From 912541b0246ef315d4d851237483b98c9dd3f992 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Tue, 10 Jan 2012 01:34:15 +0100 Subject: [PATCH] tabs are as useful as a hole in the head --- COPYING | 14 +- autogen.sh | 12 +- configure.ac | 238 +- rules/arch/40-s390.rules | 2 +- rules/rules.d/50-udev-default.rules | 62 +- src/COPYING | 12 +- src/extras/accelerometer/accelerometer.c | 454 +- src/extras/ata_id/ata_id.c | 1210 ++-- src/extras/cdrom_id/cdrom_id.c | 1810 +++--- src/extras/collect/collect.c | 646 +-- src/extras/edd_id/edd_id.c | 296 +- src/extras/floppy/create_floppy_devices.c | 252 +- src/extras/gudev/COPYING | 12 +- src/extras/gudev/docs/Makefile.am | 12 +- src/extras/gudev/docs/gudev-docs.xml | 76 +- src/extras/gudev/gudevclient.c | 4 +- src/extras/keymap/check-keymaps.sh | 30 +- src/extras/keymap/findkeyboards | 75 +- .../keymap/keyboard-force-release.sh.in | 18 +- src/extras/keymap/keymap.c | 670 +-- src/extras/keymap/keymaps/acer-aspire_5720 | 2 +- src/extras/keymap/keymaps/lenovo-ideapad | 12 +- src/extras/mtd_probe/mtd_probe.c | 34 +- src/extras/mtd_probe/mtd_probe.h | 24 +- src/extras/mtd_probe/probe_smartmedia.c | 90 +- .../rule_generator/rule_generator.functions | 126 +- src/extras/rule_generator/write_cd_rules | 112 +- src/extras/rule_generator/write_net_rules | 102 +- src/extras/scsi_id/scsi.h | 58 +- src/extras/scsi_id/scsi_id.c | 1064 ++-- src/extras/scsi_id/scsi_id.h | 38 +- src/extras/scsi_id/scsi_serial.c | 1620 +++--- src/extras/udev-acl/udev-acl.c | 724 +-- src/extras/v4l_id/v4l_id.c | 92 +- src/libudev-device-private.c | 284 +- src/libudev-device.c | 2104 +++---- src/libudev-enumerate.c | 1178 ++-- src/libudev-list.c | 384 +- src/libudev-monitor.c | 1162 ++-- src/libudev-private.h | 58 +- src/libudev-queue-private.c | 560 +- src/libudev-queue.c | 532 +- src/libudev-selinux-private.c | 124 +- src/libudev-util-private.c | 376 +- src/libudev-util.c | 786 +-- src/libudev.c | 498 +- src/libudev.h | 18 +- src/test-libudev.c | 860 +-- src/test-udev.c | 166 +- src/udev-builtin-blkid.c | 282 +- src/udev-builtin-firmware.c | 246 +- src/udev-builtin-hwdb.c | 286 +- src/udev-builtin-input_id.c | 304 +- src/udev-builtin-kmod.c | 162 +- src/udev-builtin-path_id.c | 768 +-- src/udev-builtin-usb_id.c | 812 +-- src/udev-builtin.c | 130 +- src/udev-ctrl.c | 652 +-- src/udev-event.c | 1816 +++--- src/udev-node.c | 636 +- src/udev-rules.c | 5116 ++++++++--------- src/udev-watch.c | 204 +- src/udev.h | 108 +- src/udevadm-control.c | 250 +- src/udevadm-info.c | 990 ++-- src/udevadm-monitor.c | 488 +- src/udevadm-settle.c | 380 +- src/udevadm-test-builtin.c | 162 +- src/udevadm-test.c | 266 +- src/udevadm-trigger.c | 358 +- src/udevadm.c | 214 +- src/udevd.c | 2936 +++++----- test/rules-test.sh | 8 +- test/udev-test.pl | 2068 +++---- 74 files changed, 19364 insertions(+), 19371 deletions(-) diff --git a/COPYING b/COPYING index d511905c1..d159169d1 100644 --- a/COPYING +++ b/COPYING @@ -1,12 +1,12 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. - Preamble + Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public @@ -56,7 +56,7 @@ patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. - GNU GENERAL PUBLIC LICENSE + GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains @@ -255,7 +255,7 @@ make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. - NO WARRANTY + NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN @@ -277,9 +277,9 @@ YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - END OF TERMS AND CONDITIONS + END OF TERMS AND CONDITIONS - How to Apply These Terms to Your New Programs + How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it diff --git a/autogen.sh b/autogen.sh index d32f41df9..697ed919d 100755 --- a/autogen.sh +++ b/autogen.sh @@ -1,18 +1,16 @@ -#!/bin/sh - -set -e +#!/bin/sh -e if [ -f .git/hooks/pre-commit.sample -a ! -f .git/hooks/pre-commit ] ; then - cp -p .git/hooks/pre-commit.sample .git/hooks/pre-commit && \ - chmod +x .git/hooks/pre-commit && \ - echo "Activated pre-commit hook." + cp -p .git/hooks/pre-commit.sample .git/hooks/pre-commit && \ + chmod +x .git/hooks/pre-commit && \ + echo "Activated pre-commit hook." fi gtkdocize autoreconf --install --symlink libdir() { - echo $(cd $1/$(gcc -print-multi-os-directory); pwd) + echo $(cd $1/$(gcc -print-multi-os-directory); pwd) } args="\ diff --git a/configure.ac b/configure.ac index 07254feba..035e5fa44 100644 --- a/configure.ac +++ b/configure.ac @@ -1,9 +1,9 @@ AC_PREREQ(2.60) AC_INIT([udev], - [175], - [linux-hotplug@vger.kernel.org], - [udev], - [http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html]) + [175], + [linux-hotplug@vger.kernel.org], + [udev], + [http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html]) AC_CONFIG_SRCDIR([src/udevd.c]) AC_CONFIG_AUX_DIR([build-aux]) AM_INIT_AUTOMAKE([check-news foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects]) @@ -28,90 +28,90 @@ PKG_CHECK_MODULES(BLKID, blkid >= 2.20) PKG_CHECK_MODULES(KMOD, libkmod >= 3) if test "x$cross_compiling" = "xno" ; then - AC_CHECK_FILES([/usr/share/pci.ids], [pciids=/usr/share/pci.ids]) - AC_CHECK_FILES([/usr/share/hwdata/pci.ids], [pciids=/usr/share/hwdata/pci.ids]) - AC_CHECK_FILES([/usr/share/misc/pci.ids], [pciids=/usr/share/misc/pci.ids]) + AC_CHECK_FILES([/usr/share/pci.ids], [pciids=/usr/share/pci.ids]) + AC_CHECK_FILES([/usr/share/hwdata/pci.ids], [pciids=/usr/share/hwdata/pci.ids]) + AC_CHECK_FILES([/usr/share/misc/pci.ids], [pciids=/usr/share/misc/pci.ids]) fi AC_ARG_WITH(usb-ids-path, - [AS_HELP_STRING([--with-usb-ids-path=DIR], [Path to usb.ids file])], - [USB_DATABASE=${withval}], - [if test -n "$usbids" ; then - USB_DATABASE="$usbids" - else - PKG_CHECK_MODULES(USBUTILS, usbutils >= 0.82) - AC_SUBST([USB_DATABASE], [$($PKG_CONFIG --variable=usbids usbutils)]) - fi]) + [AS_HELP_STRING([--with-usb-ids-path=DIR], [Path to usb.ids file])], + [USB_DATABASE=${withval}], + [if test -n "$usbids" ; then + USB_DATABASE="$usbids" + else + PKG_CHECK_MODULES(USBUTILS, usbutils >= 0.82) + AC_SUBST([USB_DATABASE], [$($PKG_CONFIG --variable=usbids usbutils)]) + fi]) AC_MSG_CHECKING([for USB database location]) AC_MSG_RESULT([$USB_DATABASE]) AC_SUBST(USB_DATABASE) AC_ARG_WITH(pci-ids-path, - [AS_HELP_STRING([--with-pci-ids-path=DIR], [Path to pci.ids file])], - [PCI_DATABASE=${withval}], - [if test -n "$pciids" ; then - PCI_DATABASE="$pciids" - else - AC_MSG_ERROR([pci.ids not found, try --with-pci-ids-path=]) - fi]) + [AS_HELP_STRING([--with-pci-ids-path=DIR], [Path to pci.ids file])], + [PCI_DATABASE=${withval}], + [if test -n "$pciids" ; then + PCI_DATABASE="$pciids" + else + AC_MSG_ERROR([pci.ids not found, try --with-pci-ids-path=]) + fi]) AC_MSG_CHECKING([for PCI database location]) AC_MSG_RESULT([$PCI_DATABASE]) AC_SUBST(PCI_DATABASE) AC_ARG_WITH([rootprefix], - AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]), - [], [with_rootprefix=${ac_default_prefix}]) + AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]), + [], [with_rootprefix=${ac_default_prefix}]) AC_SUBST([rootprefix], [$with_rootprefix]) AC_ARG_WITH([rootlibdir], - AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]), - [], [with_rootlibdir=$libdir]) + AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]), + [], [with_rootlibdir=$libdir]) AC_SUBST([rootlib_execdir], [$with_rootlibdir]) AC_ARG_WITH([selinux], - AS_HELP_STRING([--with-selinux], [enable SELinux support]), - [], [with_selinux=no]) + AS_HELP_STRING([--with-selinux], [enable SELinux support]), + [], [with_selinux=no]) AS_IF([test "x$with_selinux" = "xyes"], [ - LIBS_save=$LIBS - AC_CHECK_LIB(selinux, getprevcon, - [], - AC_MSG_ERROR([SELinux selected but libselinux not found])) - LIBS=$LIBS_save - SELINUX_LIBS="-lselinux -lsepol" - AC_DEFINE(WITH_SELINUX, [1] ,[SELinux support.]) + LIBS_save=$LIBS + AC_CHECK_LIB(selinux, getprevcon, + [], + AC_MSG_ERROR([SELinux selected but libselinux not found])) + LIBS=$LIBS_save + SELINUX_LIBS="-lselinux -lsepol" + AC_DEFINE(WITH_SELINUX, [1] ,[SELinux support.]) ]) AC_SUBST([SELINUX_LIBS]) AM_CONDITIONAL(WITH_SELINUX, [test "x$with_selinux" = "xyes"]) AC_ARG_ENABLE([debug], - AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]), - [], [enable_debug=no]) + AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]), + [], [enable_debug=no]) AS_IF([test "x$enable_debug" = "xyes"], [ AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.]) ]) AC_ARG_ENABLE([logging], - AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]), - [], enable_logging=yes) + AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]), + [], enable_logging=yes) AS_IF([test "x$enable_logging" = "xyes"], [ AC_DEFINE(ENABLE_LOGGING, [1], [System logging.]) ]) AC_ARG_WITH(firmware-path, - AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]], - [Firmware search path (default=/lib/firmware/updates:/lib/firmware)]), - [], [with_firmware_path="$rootprefix/lib/firmware/updates:$rootprefix/lib/firmware"]) + AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]], + [Firmware search path (default=/lib/firmware/updates:/lib/firmware)]), + [], [with_firmware_path="$rootprefix/lib/firmware/updates:$rootprefix/lib/firmware"]) OLD_IFS=$IFS IFS=: for i in $with_firmware_path; do - if test "x${FIRMWARE_PATH}" = "x"; then - FIRMWARE_PATH="\\\"${i}/\\\"" - else - FIRMWARE_PATH="${FIRMWARE_PATH}, \\\"${i}/\\\"" - fi + if test "x${FIRMWARE_PATH}" = "x"; then + FIRMWARE_PATH="\\\"${i}/\\\"" + else + FIRMWARE_PATH="${FIRMWARE_PATH}, \\\"${i}/\\\"" + fi done IFS=$OLD_IFS AC_SUBST([FIRMWARE_PATH], [$FIRMWARE_PATH]) AC_ARG_WITH([systemdsystemunitdir], - AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]), - [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)]) + AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]), + [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)]) AS_IF([test "x$with_systemdsystemunitdir" != "xno"], [ AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir]) ]) AM_CONDITIONAL(WITH_SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != "xno" ]) @@ -119,21 +119,21 @@ AM_CONDITIONAL(WITH_SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_sy # GUdev - libudev gobject interface # ------------------------------------------------------------------------------ AC_ARG_ENABLE([gudev], - AS_HELP_STRING([--disable-gudev], [disable Gobject libudev support @<:@default=enabled@:>@]), - [], [enable_gudev=yes]) + AS_HELP_STRING([--disable-gudev], [disable Gobject libudev support @<:@default=enabled@:>@]), + [], [enable_gudev=yes]) AS_IF([test "x$enable_gudev" = "xyes"], [ PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0]) ]) AC_ARG_ENABLE([introspection], - AS_HELP_STRING([--disable-introspection], [disable GObject introspection @<:@default=enabled@:>@]), - [], [enable_introspection=yes]) + AS_HELP_STRING([--disable-introspection], [disable GObject introspection @<:@default=enabled@:>@]), + [], [enable_introspection=yes]) AS_IF([test "x$enable_introspection" = "xyes"], [ - PKG_CHECK_MODULES([INTROSPECTION], [gobject-introspection-1.0 >= 0.6.2]) - AC_DEFINE([ENABLE_INTROSPECTION], [1], [enable GObject introspection support]) - AC_SUBST([G_IR_SCANNER], [$($PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0)]) - AC_SUBST([G_IR_COMPILER], [$($PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0)]) - AC_SUBST([G_IR_GENERATE], [$($PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0)]) - AC_SUBST([GIRDIR], [$($PKG_CONFIG --define-variable=datadir=${datadir} --variable=girdir gobject-introspection-1.0)]) - AC_SUBST([GIRTYPELIBDIR], [$($PKG_CONFIG --define-variable=libdir=${libdir} --variable=typelibdir gobject-introspection-1.0)]) + PKG_CHECK_MODULES([INTROSPECTION], [gobject-introspection-1.0 >= 0.6.2]) + AC_DEFINE([ENABLE_INTROSPECTION], [1], [enable GObject introspection support]) + AC_SUBST([G_IR_SCANNER], [$($PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0)]) + AC_SUBST([G_IR_COMPILER], [$($PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0)]) + AC_SUBST([G_IR_GENERATE], [$($PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0)]) + AC_SUBST([GIRDIR], [$($PKG_CONFIG --define-variable=datadir=${datadir} --variable=girdir gobject-introspection-1.0)]) + AC_SUBST([GIRTYPELIBDIR], [$($PKG_CONFIG --define-variable=libdir=${libdir} --variable=typelibdir gobject-introspection-1.0)]) ]) AM_CONDITIONAL([ENABLE_INTROSPECTION], [test "x$enable_introspection" = "xyes"]) AM_CONDITIONAL([ENABLE_GUDEV], [test "x$enable_gudev" = "xyes"]) @@ -142,16 +142,16 @@ AM_CONDITIONAL([ENABLE_GUDEV], [test "x$enable_gudev" = "xyes"]) # keymap - map custom hardware's multimedia keys # ------------------------------------------------------------------------------ AC_ARG_ENABLE([keymap], - AS_HELP_STRING([--disable-keymap], [disable keymap fixup support @<:@default=enabled@:>@]), - [], [enable_keymap=yes]) + AS_HELP_STRING([--disable-keymap], [disable keymap fixup support @<:@default=enabled@:>@]), + [], [enable_keymap=yes]) AS_IF([test "x$enable_keymap" = "xyes"], [ - AC_PATH_PROG([GPERF], [gperf]) - if test -z "$GPERF"; then - AC_MSG_ERROR([gperf is needed]) - fi + AC_PATH_PROG([GPERF], [gperf]) + if test -z "$GPERF"; then + AC_MSG_ERROR([gperf is needed]) + fi - AC_CHECK_HEADER([linux/input.h], [:], AC_MSG_ERROR([kernel headers not found])) - AC_SUBST([INCLUDE_PREFIX], [$(echo '#include ' | eval $ac_cpp -E - | sed -n '/linux\/input.h/ {s:.*"\(.*\)/linux/input.h".*:\1:; p; q}')]) + AC_CHECK_HEADER([linux/input.h], [:], AC_MSG_ERROR([kernel headers not found])) + AC_SUBST([INCLUDE_PREFIX], [$(echo '#include ' | eval $ac_cpp -E - | sed -n '/linux\/input.h/ {s:.*"\(.*\)/linux/input.h".*:\1:; p; q}')]) ]) AM_CONDITIONAL([ENABLE_KEYMAP], [test "x$enable_keymap" = "xyes"]) @@ -159,29 +159,29 @@ AM_CONDITIONAL([ENABLE_KEYMAP], [test "x$enable_keymap" = "xyes"]) # mtd_probe - autoloads FTL module for mtd devices # ------------------------------------------------------------------------------ AC_ARG_ENABLE([mtd_probe], - AS_HELP_STRING([--disable-mtd_probe], [disable MTD support @<:@default=enabled@:>@]), - [], [enable_mtd_probe=yes]) + AS_HELP_STRING([--disable-mtd_probe], [disable MTD support @<:@default=enabled@:>@]), + [], [enable_mtd_probe=yes]) AM_CONDITIONAL([ENABLE_MTD_PROBE], [test "x$enable_mtd_probe" = "xyes"]) # ------------------------------------------------------------------------------ # rule_generator - persistent network and optical device rule generator # ------------------------------------------------------------------------------ AC_ARG_ENABLE([rule_generator], - AS_HELP_STRING([--enable-rule_generator], [enable persistent network + cdrom links support @<:@default=disabled@:>@]), - [], [enable_rule_generator=no]) + AS_HELP_STRING([--enable-rule_generator], [enable persistent network + cdrom links support @<:@default=disabled@:>@]), + [], [enable_rule_generator=no]) AM_CONDITIONAL([ENABLE_RULE_GENERATOR], [test "x$enable_rule_generator" = "xyes"]) # ------------------------------------------------------------------------------ # udev_acl - apply ACLs for users with local forground sessions # ------------------------------------------------------------------------------ AC_ARG_ENABLE([udev_acl], - AS_HELP_STRING([--enable-udev_acl], [enable local user acl permissions support @<:@default=disabled@:>@]), - [], [enable_udev_acl=no]) + AS_HELP_STRING([--enable-udev_acl], [enable local user acl permissions support @<:@default=disabled@:>@]), + [], [enable_udev_acl=no]) AS_IF([test "x$enable_udev_acl" = "xyes"], [ - AC_CHECK_LIB([acl], [acl_init], [:], AC_MSG_ERROR([libacl not found])) - AC_CHECK_HEADER([acl/libacl.h], [:], AC_MSG_ERROR([libacl header not found])) + AC_CHECK_LIB([acl], [acl_init], [:], AC_MSG_ERROR([libacl not found])) + AC_CHECK_HEADER([acl/libacl.h], [:], AC_MSG_ERROR([libacl header not found])) - PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0]) + PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0]) ]) AM_CONDITIONAL([ENABLE_UDEV_ACL], [test "x$enable_udev_acl" = "xyes"]) @@ -189,16 +189,16 @@ AM_CONDITIONAL([ENABLE_UDEV_ACL], [test "x$enable_udev_acl" = "xyes"]) # create_floppy_devices - historical floppy kernel device nodes (/dev/fd0h1440, ...) # ------------------------------------------------------------------------------ AC_ARG_ENABLE([floppy], - AS_HELP_STRING([--enable-floppy], [enable legacy floppy support @<:@default=disabled@:>@]), - [], [enable_floppy=no]) + AS_HELP_STRING([--enable-floppy], [enable legacy floppy support @<:@default=disabled@:>@]), + [], [enable_floppy=no]) AM_CONDITIONAL([ENABLE_FLOPPY], [test "x$enable_floppy" = "xyes"]) # ------------------------------------------------------------------------------ # edd_id - create /dev/disk/by-id/edd-* links for BIOS EDD data # ------------------------------------------------------------------------------ AC_ARG_ENABLE([edd], - AS_HELP_STRING([--enable-edd], [enable disk edd support @<:@default=disabled@:>@]), - [], [enable_edd=no]) + AS_HELP_STRING([--enable-edd], [enable disk edd support @<:@default=disabled@:>@]), + [], [enable_edd=no]) AM_CONDITIONAL([ENABLE_EDD], [test "x$enable_edd" = "xyes"]) my_CFLAGS="-Wall \ @@ -211,50 +211,50 @@ AC_SUBST([my_CFLAGS]) AC_CONFIG_HEADERS(config.h) AC_CONFIG_FILES([ - Makefile - src/docs/Makefile - src/docs/version.xml - src/extras/gudev/docs/Makefile - src/extras/gudev/docs/version.xml + Makefile + src/docs/Makefile + src/docs/version.xml + src/extras/gudev/docs/Makefile + src/extras/gudev/docs/version.xml ]) AC_OUTPUT AC_MSG_RESULT([ - $PACKAGE $VERSION - ======== + $PACKAGE $VERSION + ======== - prefix: ${prefix} - rootprefix: ${rootprefix} - sysconfdir: ${sysconfdir} - bindir: ${bindir} - libdir: ${libdir} - rootlibdir: ${rootlib_execdir} - libexecdir: ${libexecdir} - datarootdir: ${datarootdir} - mandir: ${mandir} - includedir: ${includedir} - include_prefix: ${INCLUDE_PREFIX} - systemdsystemunitdir: ${systemdsystemunitdir} - firmware path: ${FIRMWARE_PATH} - usb.ids: ${USB_DATABASE} - pci.ids: ${PCI_DATABASE} + prefix: ${prefix} + rootprefix: ${rootprefix} + sysconfdir: ${sysconfdir} + bindir: ${bindir} + libdir: ${libdir} + rootlibdir: ${rootlib_execdir} + libexecdir: ${libexecdir} + datarootdir: ${datarootdir} + mandir: ${mandir} + includedir: ${includedir} + include_prefix: ${INCLUDE_PREFIX} + systemdsystemunitdir: ${systemdsystemunitdir} + firmware path: ${FIRMWARE_PATH} + usb.ids: ${USB_DATABASE} + pci.ids: ${PCI_DATABASE} - compiler: ${CC} - cflags: ${CFLAGS} - ldflags: ${LDFLAGS} - xsltproc: ${XSLTPROC} - gperf: ${GPERF} + compiler: ${CC} + cflags: ${CFLAGS} + ldflags: ${LDFLAGS} + xsltproc: ${XSLTPROC} + gperf: ${GPERF} - logging: ${enable_logging} - debug: ${enable_debug} - selinux: ${with_selinux} + logging: ${enable_logging} + debug: ${enable_debug} + selinux: ${with_selinux} - gudev: ${enable_gudev} - gintrospection: ${enable_introspection} - keymap: ${enable_keymap} - mtd_probe: ${enable_mtd_probe} - rule_generator: ${enable_rule_generator} - udev_acl: ${enable_udev_acl} - floppy: ${enable_floppy} - edd: ${enable_edd} + gudev: ${enable_gudev} + gintrospection: ${enable_introspection} + keymap: ${enable_keymap} + mtd_probe: ${enable_mtd_probe} + rule_generator: ${enable_rule_generator} + udev_acl: ${enable_udev_acl} + floppy: ${enable_floppy} + edd: ${enable_edd} ]) diff --git a/rules/arch/40-s390.rules b/rules/arch/40-s390.rules index 43035dbe6..6ff6b65a5 100644 --- a/rules/arch/40-s390.rules +++ b/rules/arch/40-s390.rules @@ -1,4 +1,4 @@ # do not edit this file, it will be overwritten on update -KERNEL=="z90crypt", MODE="0666" +KERNEL=="z90crypt", MODE="0666" diff --git a/rules/rules.d/50-udev-default.rules b/rules/rules.d/50-udev-default.rules index 353e31d8b..374470790 100644 --- a/rules/rules.d/50-udev-default.rules +++ b/rules/rules.d/50-udev-default.rules @@ -2,44 +2,44 @@ KERNEL=="pty[pqrstuvwxyzabcdef][0123456789abcdef]", GROUP="tty", MODE="0660" KERNEL=="tty[pqrstuvwxyzabcdef][0123456789abcdef]", GROUP="tty", MODE="0660" -KERNEL=="ptmx", GROUP="tty", MODE="0666" -KERNEL=="tty", GROUP="tty", MODE="0666" -KERNEL=="tty[0-9]*", GROUP="tty", MODE="0620" +KERNEL=="ptmx", GROUP="tty", MODE="0666" +KERNEL=="tty", GROUP="tty", MODE="0666" +KERNEL=="tty[0-9]*", GROUP="tty", MODE="0620" KERNEL=="vcs|vcs[0-9]*|vcsa|vcsa[0-9]*", GROUP="tty" # serial KERNEL=="tty[A-Z]*[0-9]|pppox[0-9]*|ircomm[0-9]*|noz[0-9]*|rfcomm[0-9]*", GROUP="dialout" -KERNEL=="mwave", GROUP="dialout" -KERNEL=="hvc*|hvsi*", GROUP="dialout" +KERNEL=="mwave", GROUP="dialout" +KERNEL=="hvc*|hvsi*", GROUP="dialout" # virtio serial / console ports KERNEL=="vport*", ATTR{name}=="?*", SYMLINK+="virtio-ports/$attr{name}" # mem KERNEL=="null|zero|full|random|urandom", MODE="0666" -KERNEL=="mem|kmem|port|nvram", GROUP="kmem", MODE="0640" +KERNEL=="mem|kmem|port|nvram", GROUP="kmem", MODE="0640" # input SUBSYSTEM=="input", ENV{ID_INPUT}=="", IMPORT{builtin}="input_id" -KERNEL=="mouse*|mice|event*", MODE="0640" -KERNEL=="ts[0-9]*|uinput", MODE="0640" -KERNEL=="js[0-9]*", MODE="0644" +KERNEL=="mouse*|mice|event*", MODE="0640" +KERNEL=="ts[0-9]*|uinput", MODE="0640" +KERNEL=="js[0-9]*", MODE="0644" # video4linux -SUBSYSTEM=="video4linux", GROUP="video" -KERNEL=="vttuner*", GROUP="video" -KERNEL=="vtx*|vbi*", GROUP="video" -KERNEL=="winradio*", GROUP="video" +SUBSYSTEM=="video4linux", GROUP="video" +KERNEL=="vttuner*", GROUP="video" +KERNEL=="vtx*|vbi*", GROUP="video" +KERNEL=="winradio*", GROUP="video" # graphics -KERNEL=="agpgart", GROUP="video" -KERNEL=="pmu", GROUP="video" -KERNEL=="nvidia*|nvidiactl*", GROUP="video" -SUBSYSTEM=="graphics", GROUP="video" -SUBSYSTEM=="drm", GROUP="video" +KERNEL=="agpgart", GROUP="video" +KERNEL=="pmu", GROUP="video" +KERNEL=="nvidia*|nvidiactl*", GROUP="video" +SUBSYSTEM=="graphics", GROUP="video" +SUBSYSTEM=="drm", GROUP="video" # sound -SUBSYSTEM=="sound", GROUP="audio", \ +SUBSYSTEM=="sound", GROUP="audio", \ OPTIONS+="static_node=snd/seq", OPTIONS+="static_node=snd/timer" # DVB (video) @@ -56,11 +56,11 @@ SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", MODE="0664" SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", IMPORT{builtin}="usb_id" # printer -KERNEL=="parport[0-9]*", GROUP="lp" -SUBSYSTEM=="printer", KERNEL=="lp*", GROUP="lp" -SUBSYSTEM=="ppdev", GROUP="lp" -KERNEL=="lp[0-9]*", GROUP="lp" -KERNEL=="irlpt[0-9]*", GROUP="lp" +KERNEL=="parport[0-9]*", GROUP="lp" +SUBSYSTEM=="printer", KERNEL=="lp*", GROUP="lp" +SUBSYSTEM=="ppdev", GROUP="lp" +KERNEL=="lp[0-9]*", GROUP="lp" +KERNEL=="irlpt[0-9]*", GROUP="lp" SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="*:0701??:*", GROUP="lp" # block @@ -91,17 +91,17 @@ SUBSYSTEM=="aoe", GROUP="disk", MODE="0220" SUBSYSTEM=="aoe", KERNEL=="err", MODE="0440" # network -KERNEL=="tun", MODE="0666", OPTIONS+="static_node=net/tun" -KERNEL=="rfkill", MODE="0644" +KERNEL=="tun", MODE="0666", OPTIONS+="static_node=net/tun" +KERNEL=="rfkill", MODE="0644" # CPU -KERNEL=="cpu[0-9]*", MODE="0444" +KERNEL=="cpu[0-9]*", MODE="0444" -KERNEL=="fuse", ACTION=="add", MODE="0666", OPTIONS+="static_node=fuse" +KERNEL=="fuse", ACTION=="add", MODE="0666", OPTIONS+="static_node=fuse" SUBSYSTEM=="rtc", DRIVERS=="rtc_cmos", SYMLINK+="rtc" -KERNEL=="mmtimer", MODE="0644" -KERNEL=="rflash[0-9]*", MODE="0400" -KERNEL=="rrom[0-9]*", MODE="0400" +KERNEL=="mmtimer", MODE="0644" +KERNEL=="rflash[0-9]*", MODE="0400" +KERNEL=="rrom[0-9]*", MODE="0400" SUBSYSTEM=="firmware", ACTION=="add", IMPORT{builtin}="firmware" diff --git a/src/COPYING b/src/COPYING index 0851b141d..d2e31278b 100644 --- a/src/COPYING +++ b/src/COPYING @@ -1,5 +1,5 @@ - GNU LESSER GENERAL PUBLIC LICENSE - Version 2.1, February 1999 + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 Copyright (C) 1991, 1999 Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA @@ -10,7 +10,7 @@ as the successor of the GNU Library Public License, version 2, hence the version number 2.1.] - Preamble + Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public @@ -112,7 +112,7 @@ modification follow. Pay close attention to the difference between a former contains code derived from the library, whereas the latter must be combined with the library in order to run. - GNU LESSER GENERAL PUBLIC LICENSE + GNU LESSER GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License Agreement applies to any software library or other @@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. - NO WARRANTY + NO WARRANTY 15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW. @@ -455,7 +455,7 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - END OF TERMS AND CONDITIONS + END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Libraries diff --git a/src/extras/accelerometer/accelerometer.c b/src/extras/accelerometer/accelerometer.c index 59c2a4ece..bc9715b26 100644 --- a/src/extras/accelerometer/accelerometer.c +++ b/src/extras/accelerometer/accelerometer.c @@ -71,32 +71,32 @@ static int debug = 0; static void log_fn(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - if (debug) { - fprintf(stderr, "%s: ", fn); - vfprintf(stderr, format, args); - } else { - vsyslog(priority, format, args); - } + if (debug) { + fprintf(stderr, "%s: ", fn); + vfprintf(stderr, format, args); + } else { + vsyslog(priority, format, args); + } } typedef enum { - ORIENTATION_UNDEFINED, - ORIENTATION_NORMAL, - ORIENTATION_BOTTOM_UP, - ORIENTATION_LEFT_UP, - ORIENTATION_RIGHT_UP + ORIENTATION_UNDEFINED, + ORIENTATION_NORMAL, + ORIENTATION_BOTTOM_UP, + ORIENTATION_LEFT_UP, + ORIENTATION_RIGHT_UP } OrientationUp; static const char *orientations[] = { - "undefined", - "normal", - "bottom-up", - "left-up", - "right-up", - NULL + "undefined", + "normal", + "bottom-up", + "left-up", + "right-up", + NULL }; #define ORIENTATION_UP_UP ORIENTATION_NORMAL @@ -111,247 +111,247 @@ static const char *orientations[] = { static const char * orientation_to_string (OrientationUp o) { - return orientations[o]; + return orientations[o]; } static OrientationUp string_to_orientation (const char *orientation) { - int i; - - if (orientation == NULL) - return ORIENTATION_UNDEFINED; - for (i = 0; orientations[i] != NULL; i++) { - if (strcmp (orientation, orientations[i]) == 0) - return i; - } - return ORIENTATION_UNDEFINED; + int i; + + if (orientation == NULL) + return ORIENTATION_UNDEFINED; + for (i = 0; orientations[i] != NULL; i++) { + if (strcmp (orientation, orientations[i]) == 0) + return i; + } + return ORIENTATION_UNDEFINED; } static OrientationUp orientation_calc (OrientationUp prev, - int x, int y, int z) + int x, int y, int z) { - int rotation; - OrientationUp ret = prev; - - /* Portrait check */ - rotation = round(atan((double) x / sqrt(y * y + z * z)) * RADIANS_TO_DEGREES); - - if (abs(rotation) > THRESHOLD_PORTRAIT) { - ret = (rotation < 0) ? ORIENTATION_LEFT_UP : ORIENTATION_RIGHT_UP; - - /* Some threshold to switching between portrait modes */ - if (prev == ORIENTATION_LEFT_UP || prev == ORIENTATION_RIGHT_UP) { - if (abs(rotation) < SAME_AXIS_LIMIT) { - ret = prev; - } - } - - } else { - /* Landscape check */ - rotation = round(atan((double) y / sqrt(x * x + z * z)) * RADIANS_TO_DEGREES); - - if (abs(rotation) > THRESHOLD_LANDSCAPE) { - ret = (rotation < 0) ? ORIENTATION_BOTTOM_UP : ORIENTATION_NORMAL; - - /* Some threshold to switching between landscape modes */ - if (prev == ORIENTATION_BOTTOM_UP || prev == ORIENTATION_NORMAL) { - if (abs(rotation) < SAME_AXIS_LIMIT) { - ret = prev; - } - } - } - } - - return ret; + int rotation; + OrientationUp ret = prev; + + /* Portrait check */ + rotation = round(atan((double) x / sqrt(y * y + z * z)) * RADIANS_TO_DEGREES); + + if (abs(rotation) > THRESHOLD_PORTRAIT) { + ret = (rotation < 0) ? ORIENTATION_LEFT_UP : ORIENTATION_RIGHT_UP; + + /* Some threshold to switching between portrait modes */ + if (prev == ORIENTATION_LEFT_UP || prev == ORIENTATION_RIGHT_UP) { + if (abs(rotation) < SAME_AXIS_LIMIT) { + ret = prev; + } + } + + } else { + /* Landscape check */ + rotation = round(atan((double) y / sqrt(x * x + z * z)) * RADIANS_TO_DEGREES); + + if (abs(rotation) > THRESHOLD_LANDSCAPE) { + ret = (rotation < 0) ? ORIENTATION_BOTTOM_UP : ORIENTATION_NORMAL; + + /* Some threshold to switching between landscape modes */ + if (prev == ORIENTATION_BOTTOM_UP || prev == ORIENTATION_NORMAL) { + if (abs(rotation) < SAME_AXIS_LIMIT) { + ret = prev; + } + } + } + } + + return ret; } static OrientationUp get_prev_orientation(struct udev_device *dev) { - const char *value; + const char *value; - value = udev_device_get_property_value(dev, "ID_INPUT_ACCELEROMETER_ORIENTATION"); - if (value == NULL) - return ORIENTATION_UNDEFINED; - return string_to_orientation(value); + value = udev_device_get_property_value(dev, "ID_INPUT_ACCELEROMETER_ORIENTATION"); + if (value == NULL) + return ORIENTATION_UNDEFINED; + return string_to_orientation(value); } #define SET_AXIS(axis, code_) if (ev[i].code == code_) { if (got_##axis == 0) { axis = ev[i].value; got_##axis = 1; } } /* accelerometers */ static void test_orientation(struct udev *udev, - struct udev_device *dev, - const char *devpath) + struct udev_device *dev, + const char *devpath) { - OrientationUp old, new; - int fd, r; - struct input_event ev[64]; - int got_syn = 0; - int got_x, got_y, got_z; - int x = 0, y = 0, z = 0; - char text[64]; - - old = get_prev_orientation(dev); - - if ((fd = open(devpath, O_RDONLY)) < 0) - return; - - got_x = got_y = got_z = 0; - - while (1) { - int i; - - r = read(fd, ev, sizeof(struct input_event) * 64); - - if (r < (int) sizeof(struct input_event)) - return; - - for (i = 0; i < r / (int) sizeof(struct input_event); i++) { - if (got_syn == 1) { - if (ev[i].type == EV_ABS) { - SET_AXIS(x, ABS_X); - SET_AXIS(y, ABS_Y); - SET_AXIS(z, ABS_Z); - } - } - if (ev[i].type == EV_SYN && ev[i].code == SYN_REPORT) { - got_syn = 1; - } - if (got_x && got_y && got_z) - goto read_dev; - } - } + OrientationUp old, new; + int fd, r; + struct input_event ev[64]; + int got_syn = 0; + int got_x, got_y, got_z; + int x = 0, y = 0, z = 0; + char text[64]; + + old = get_prev_orientation(dev); + + if ((fd = open(devpath, O_RDONLY)) < 0) + return; + + got_x = got_y = got_z = 0; + + while (1) { + int i; + + r = read(fd, ev, sizeof(struct input_event) * 64); + + if (r < (int) sizeof(struct input_event)) + return; + + for (i = 0; i < r / (int) sizeof(struct input_event); i++) { + if (got_syn == 1) { + if (ev[i].type == EV_ABS) { + SET_AXIS(x, ABS_X); + SET_AXIS(y, ABS_Y); + SET_AXIS(z, ABS_Z); + } + } + if (ev[i].type == EV_SYN && ev[i].code == SYN_REPORT) { + got_syn = 1; + } + if (got_x && got_y && got_z) + goto read_dev; + } + } read_dev: - close(fd); + close(fd); - if (!got_x || !got_y || !got_z) - return; + if (!got_x || !got_y || !got_z) + return; - new = orientation_calc(old, x, y, z); - snprintf(text, sizeof(text), "ID_INPUT_ACCELEROMETER_ORIENTATION=%s", orientation_to_string(new)); - puts(text); + new = orientation_calc(old, x, y, z); + snprintf(text, sizeof(text), "ID_INPUT_ACCELEROMETER_ORIENTATION=%s", orientation_to_string(new)); + puts(text); } static void help(void) { - printf("Usage: accelerometer [options] \n" - " --debug debug to stderr\n" - " --help print this help text\n\n"); + printf("Usage: accelerometer [options] \n" + " --debug debug to stderr\n" + " --help print this help text\n\n"); } int main (int argc, char** argv) { - struct udev *udev; - struct udev_device *dev; - - static const struct option options[] = { - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - char devpath[PATH_MAX]; - char *devnode; - const char *id_path; - struct udev_enumerate *enumerate; - struct udev_list_entry *list_entry; - - udev = udev_new(); - if (udev == NULL) - return 1; - - udev_log_init("input_id"); - udev_set_log_fn(udev, log_fn); - - /* CLI argument parsing */ - while (1) { - int option; - - option = getopt_long(argc, argv, "dxh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'd': - debug = 1; - if (udev_get_log_priority(udev) < LOG_INFO) - udev_set_log_priority(udev, LOG_INFO); - break; - case 'h': - help(); - exit(0); - default: - exit(1); - } - } - - if (argv[optind] == NULL) { - help(); - exit(1); - } - - /* get the device */ - snprintf(devpath, sizeof(devpath), "%s/%s", udev_get_sys_path(udev), argv[optind]); - dev = udev_device_new_from_syspath(udev, devpath); - if (dev == NULL) { - fprintf(stderr, "unable to access '%s'\n", devpath); - return 1; - } - - id_path = udev_device_get_property_value(dev, "ID_PATH"); - if (id_path == NULL) { - fprintf (stderr, "unable to get property ID_PATH for '%s'", devpath); - return 0; - } - - /* Get the children devices and find the devnode - * FIXME: use udev_enumerate_add_match_children() instead - * when it's available */ - devnode = NULL; - enumerate = udev_enumerate_new(udev); - udev_enumerate_add_match_property(enumerate, "ID_PATH", id_path); - udev_enumerate_add_match_subsystem(enumerate, "input"); - udev_enumerate_scan_devices(enumerate); - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { - struct udev_device *device; - const char *node; - - device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), - udev_list_entry_get_name(list_entry)); - if (device == NULL) - continue; - /* Already found it */ - if (devnode != NULL) { - udev_device_unref(device); - continue; - } - - node = udev_device_get_devnode(device); - if (node == NULL) { - udev_device_unref(device); - continue; - } - /* Use the event sub-device */ - if (strstr(node, "/event") == NULL) { - udev_device_unref(device); - continue; - } - - devnode = strdup(node); - udev_device_unref(device); - } - - if (devnode == NULL) { - fprintf(stderr, "unable to get device node for '%s'\n", devpath); - return 0; - } - - info(udev, "Opening accelerometer device %s\n", devnode); - test_orientation(udev, dev, devnode); - free(devnode); - - return 0; + struct udev *udev; + struct udev_device *dev; + + static const struct option options[] = { + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + char devpath[PATH_MAX]; + char *devnode; + const char *id_path; + struct udev_enumerate *enumerate; + struct udev_list_entry *list_entry; + + udev = udev_new(); + if (udev == NULL) + return 1; + + udev_log_init("input_id"); + udev_set_log_fn(udev, log_fn); + + /* CLI argument parsing */ + while (1) { + int option; + + option = getopt_long(argc, argv, "dxh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'd': + debug = 1; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'h': + help(); + exit(0); + default: + exit(1); + } + } + + if (argv[optind] == NULL) { + help(); + exit(1); + } + + /* get the device */ + snprintf(devpath, sizeof(devpath), "%s/%s", udev_get_sys_path(udev), argv[optind]); + dev = udev_device_new_from_syspath(udev, devpath); + if (dev == NULL) { + fprintf(stderr, "unable to access '%s'\n", devpath); + return 1; + } + + id_path = udev_device_get_property_value(dev, "ID_PATH"); + if (id_path == NULL) { + fprintf (stderr, "unable to get property ID_PATH for '%s'", devpath); + return 0; + } + + /* Get the children devices and find the devnode + * FIXME: use udev_enumerate_add_match_children() instead + * when it's available */ + devnode = NULL; + enumerate = udev_enumerate_new(udev); + udev_enumerate_add_match_property(enumerate, "ID_PATH", id_path); + udev_enumerate_add_match_subsystem(enumerate, "input"); + udev_enumerate_scan_devices(enumerate); + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { + struct udev_device *device; + const char *node; + + device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), + udev_list_entry_get_name(list_entry)); + if (device == NULL) + continue; + /* Already found it */ + if (devnode != NULL) { + udev_device_unref(device); + continue; + } + + node = udev_device_get_devnode(device); + if (node == NULL) { + udev_device_unref(device); + continue; + } + /* Use the event sub-device */ + if (strstr(node, "/event") == NULL) { + udev_device_unref(device); + continue; + } + + devnode = strdup(node); + udev_device_unref(device); + } + + if (devnode == NULL) { + fprintf(stderr, "unable to get device node for '%s'\n", devpath); + return 0; + } + + info(udev, "Opening accelerometer device %s\n", devnode); + test_orientation(udev, dev, devnode); + free(devnode); + + return 0; } diff --git a/src/extras/ata_id/ata_id.c b/src/extras/ata_id/ata_id.c index 64df86c23..924d479c1 100644 --- a/src/extras/ata_id/ata_id.c +++ b/src/extras/ata_id/ata_id.c @@ -48,241 +48,241 @@ #define COMMAND_TIMEOUT_MSEC (30 * 1000) static int disk_scsi_inquiry_command(int fd, - void *buf, - size_t buf_len) + void *buf, + size_t buf_len) { - struct sg_io_v4 io_v4; - uint8_t cdb[6]; - uint8_t sense[32]; - int ret; - - /* - * INQUIRY, see SPC-4 section 6.4 - */ - memset(cdb, 0, sizeof(cdb)); - cdb[0] = 0x12; /* OPERATION CODE: INQUIRY */ - cdb[3] = (buf_len >> 8); /* ALLOCATION LENGTH */ - cdb[4] = (buf_len & 0xff); - - memset(sense, 0, sizeof(sense)); - - memset(&io_v4, 0, sizeof(struct sg_io_v4)); - io_v4.guard = 'Q'; - io_v4.protocol = BSG_PROTOCOL_SCSI; - io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; - io_v4.request_len = sizeof (cdb); - io_v4.request = (uintptr_t) cdb; - io_v4.max_response_len = sizeof (sense); - io_v4.response = (uintptr_t) sense; - io_v4.din_xfer_len = buf_len; - io_v4.din_xferp = (uintptr_t) buf; - io_v4.timeout = COMMAND_TIMEOUT_MSEC; - - ret = ioctl(fd, SG_IO, &io_v4); - if (ret != 0) { - /* could be that the driver doesn't do version 4, try version 3 */ - if (errno == EINVAL) { - struct sg_io_hdr io_hdr; - - memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmdp = (unsigned char*) cdb; - io_hdr.cmd_len = sizeof (cdb); - io_hdr.dxferp = buf; - io_hdr.dxfer_len = buf_len; - io_hdr.sbp = sense; - io_hdr.mx_sb_len = sizeof (sense); - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - io_hdr.timeout = COMMAND_TIMEOUT_MSEC; - - ret = ioctl(fd, SG_IO, &io_hdr); - if (ret != 0) - goto out; - - /* even if the ioctl succeeds, we need to check the return value */ - if (!(io_hdr.status == 0 && - io_hdr.host_status == 0 && - io_hdr.driver_status == 0)) { - errno = EIO; - ret = -1; - goto out; - } - } else { - goto out; - } - } - - /* even if the ioctl succeeds, we need to check the return value */ - if (!(io_v4.device_status == 0 && - io_v4.transport_status == 0 && - io_v4.driver_status == 0)) { - errno = EIO; - ret = -1; - goto out; - } + struct sg_io_v4 io_v4; + uint8_t cdb[6]; + uint8_t sense[32]; + int ret; + + /* + * INQUIRY, see SPC-4 section 6.4 + */ + memset(cdb, 0, sizeof(cdb)); + cdb[0] = 0x12; /* OPERATION CODE: INQUIRY */ + cdb[3] = (buf_len >> 8); /* ALLOCATION LENGTH */ + cdb[4] = (buf_len & 0xff); + + memset(sense, 0, sizeof(sense)); + + memset(&io_v4, 0, sizeof(struct sg_io_v4)); + io_v4.guard = 'Q'; + io_v4.protocol = BSG_PROTOCOL_SCSI; + io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; + io_v4.request_len = sizeof (cdb); + io_v4.request = (uintptr_t) cdb; + io_v4.max_response_len = sizeof (sense); + io_v4.response = (uintptr_t) sense; + io_v4.din_xfer_len = buf_len; + io_v4.din_xferp = (uintptr_t) buf; + io_v4.timeout = COMMAND_TIMEOUT_MSEC; + + ret = ioctl(fd, SG_IO, &io_v4); + if (ret != 0) { + /* could be that the driver doesn't do version 4, try version 3 */ + if (errno == EINVAL) { + struct sg_io_hdr io_hdr; + + memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); + io_hdr.interface_id = 'S'; + io_hdr.cmdp = (unsigned char*) cdb; + io_hdr.cmd_len = sizeof (cdb); + io_hdr.dxferp = buf; + io_hdr.dxfer_len = buf_len; + io_hdr.sbp = sense; + io_hdr.mx_sb_len = sizeof (sense); + io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; + io_hdr.timeout = COMMAND_TIMEOUT_MSEC; + + ret = ioctl(fd, SG_IO, &io_hdr); + if (ret != 0) + goto out; + + /* even if the ioctl succeeds, we need to check the return value */ + if (!(io_hdr.status == 0 && + io_hdr.host_status == 0 && + io_hdr.driver_status == 0)) { + errno = EIO; + ret = -1; + goto out; + } + } else { + goto out; + } + } + + /* even if the ioctl succeeds, we need to check the return value */ + if (!(io_v4.device_status == 0 && + io_v4.transport_status == 0 && + io_v4.driver_status == 0)) { + errno = EIO; + ret = -1; + goto out; + } out: - return ret; + return ret; } -static int disk_identify_command(int fd, - void *buf, - size_t buf_len) +static int disk_identify_command(int fd, + void *buf, + size_t buf_len) { - struct sg_io_v4 io_v4; - uint8_t cdb[12]; - uint8_t sense[32]; - uint8_t *desc = sense+8; - int ret; - - /* - * ATA Pass-Through 12 byte command, as described in - * - * T10 04-262r8 ATA Command Pass-Through - * - * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf - */ - memset(cdb, 0, sizeof(cdb)); - cdb[0] = 0xa1; /* OPERATION CODE: 12 byte pass through */ - cdb[1] = 4 << 1; /* PROTOCOL: PIO Data-in */ - cdb[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */ - cdb[3] = 0; /* FEATURES */ - cdb[4] = 1; /* SECTORS */ - cdb[5] = 0; /* LBA LOW */ - cdb[6] = 0; /* LBA MID */ - cdb[7] = 0; /* LBA HIGH */ - cdb[8] = 0 & 0x4F; /* SELECT */ - cdb[9] = 0xEC; /* Command: ATA IDENTIFY DEVICE */; - memset(sense, 0, sizeof(sense)); - - memset(&io_v4, 0, sizeof(struct sg_io_v4)); - io_v4.guard = 'Q'; - io_v4.protocol = BSG_PROTOCOL_SCSI; - io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; - io_v4.request_len = sizeof (cdb); - io_v4.request = (uintptr_t) cdb; - io_v4.max_response_len = sizeof (sense); - io_v4.response = (uintptr_t) sense; - io_v4.din_xfer_len = buf_len; - io_v4.din_xferp = (uintptr_t) buf; - io_v4.timeout = COMMAND_TIMEOUT_MSEC; - - ret = ioctl(fd, SG_IO, &io_v4); - if (ret != 0) { - /* could be that the driver doesn't do version 4, try version 3 */ - if (errno == EINVAL) { - struct sg_io_hdr io_hdr; - - memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmdp = (unsigned char*) cdb; - io_hdr.cmd_len = sizeof (cdb); - io_hdr.dxferp = buf; - io_hdr.dxfer_len = buf_len; - io_hdr.sbp = sense; - io_hdr.mx_sb_len = sizeof (sense); - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - io_hdr.timeout = COMMAND_TIMEOUT_MSEC; - - ret = ioctl(fd, SG_IO, &io_hdr); - if (ret != 0) - goto out; - } else { - goto out; - } - } - - if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) { - errno = EIO; - ret = -1; - goto out; - } + struct sg_io_v4 io_v4; + uint8_t cdb[12]; + uint8_t sense[32]; + uint8_t *desc = sense+8; + int ret; + + /* + * ATA Pass-Through 12 byte command, as described in + * + * T10 04-262r8 ATA Command Pass-Through + * + * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf + */ + memset(cdb, 0, sizeof(cdb)); + cdb[0] = 0xa1; /* OPERATION CODE: 12 byte pass through */ + cdb[1] = 4 << 1; /* PROTOCOL: PIO Data-in */ + cdb[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */ + cdb[3] = 0; /* FEATURES */ + cdb[4] = 1; /* SECTORS */ + cdb[5] = 0; /* LBA LOW */ + cdb[6] = 0; /* LBA MID */ + cdb[7] = 0; /* LBA HIGH */ + cdb[8] = 0 & 0x4F; /* SELECT */ + cdb[9] = 0xEC; /* Command: ATA IDENTIFY DEVICE */; + memset(sense, 0, sizeof(sense)); + + memset(&io_v4, 0, sizeof(struct sg_io_v4)); + io_v4.guard = 'Q'; + io_v4.protocol = BSG_PROTOCOL_SCSI; + io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; + io_v4.request_len = sizeof (cdb); + io_v4.request = (uintptr_t) cdb; + io_v4.max_response_len = sizeof (sense); + io_v4.response = (uintptr_t) sense; + io_v4.din_xfer_len = buf_len; + io_v4.din_xferp = (uintptr_t) buf; + io_v4.timeout = COMMAND_TIMEOUT_MSEC; + + ret = ioctl(fd, SG_IO, &io_v4); + if (ret != 0) { + /* could be that the driver doesn't do version 4, try version 3 */ + if (errno == EINVAL) { + struct sg_io_hdr io_hdr; + + memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); + io_hdr.interface_id = 'S'; + io_hdr.cmdp = (unsigned char*) cdb; + io_hdr.cmd_len = sizeof (cdb); + io_hdr.dxferp = buf; + io_hdr.dxfer_len = buf_len; + io_hdr.sbp = sense; + io_hdr.mx_sb_len = sizeof (sense); + io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; + io_hdr.timeout = COMMAND_TIMEOUT_MSEC; + + ret = ioctl(fd, SG_IO, &io_hdr); + if (ret != 0) + goto out; + } else { + goto out; + } + } + + if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) { + errno = EIO; + ret = -1; + goto out; + } out: - return ret; + return ret; } -static int disk_identify_packet_device_command(int fd, - void *buf, - size_t buf_len) +static int disk_identify_packet_device_command(int fd, + void *buf, + size_t buf_len) { - struct sg_io_v4 io_v4; - uint8_t cdb[16]; - uint8_t sense[32]; - uint8_t *desc = sense+8; - int ret; - - /* - * ATA Pass-Through 16 byte command, as described in - * - * T10 04-262r8 ATA Command Pass-Through - * - * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf - */ - memset(cdb, 0, sizeof(cdb)); - cdb[0] = 0x85; /* OPERATION CODE: 16 byte pass through */ - cdb[1] = 4 << 1; /* PROTOCOL: PIO Data-in */ - cdb[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */ - cdb[3] = 0; /* FEATURES */ - cdb[4] = 0; /* FEATURES */ - cdb[5] = 0; /* SECTORS */ - cdb[6] = 1; /* SECTORS */ - cdb[7] = 0; /* LBA LOW */ - cdb[8] = 0; /* LBA LOW */ - cdb[9] = 0; /* LBA MID */ - cdb[10] = 0; /* LBA MID */ - cdb[11] = 0; /* LBA HIGH */ - cdb[12] = 0; /* LBA HIGH */ - cdb[13] = 0; /* DEVICE */ - cdb[14] = 0xA1; /* Command: ATA IDENTIFY PACKET DEVICE */; - cdb[15] = 0; /* CONTROL */ - memset(sense, 0, sizeof(sense)); - - memset(&io_v4, 0, sizeof(struct sg_io_v4)); - io_v4.guard = 'Q'; - io_v4.protocol = BSG_PROTOCOL_SCSI; - io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; - io_v4.request_len = sizeof (cdb); - io_v4.request = (uintptr_t) cdb; - io_v4.max_response_len = sizeof (sense); - io_v4.response = (uintptr_t) sense; - io_v4.din_xfer_len = buf_len; - io_v4.din_xferp = (uintptr_t) buf; - io_v4.timeout = COMMAND_TIMEOUT_MSEC; - - ret = ioctl(fd, SG_IO, &io_v4); - if (ret != 0) { - /* could be that the driver doesn't do version 4, try version 3 */ - if (errno == EINVAL) { - struct sg_io_hdr io_hdr; - - memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmdp = (unsigned char*) cdb; - io_hdr.cmd_len = sizeof (cdb); - io_hdr.dxferp = buf; - io_hdr.dxfer_len = buf_len; - io_hdr.sbp = sense; - io_hdr.mx_sb_len = sizeof (sense); - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - io_hdr.timeout = COMMAND_TIMEOUT_MSEC; - - ret = ioctl(fd, SG_IO, &io_hdr); - if (ret != 0) - goto out; - } else { - goto out; - } - } - - if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) { - errno = EIO; - ret = -1; - goto out; - } + struct sg_io_v4 io_v4; + uint8_t cdb[16]; + uint8_t sense[32]; + uint8_t *desc = sense+8; + int ret; + + /* + * ATA Pass-Through 16 byte command, as described in + * + * T10 04-262r8 ATA Command Pass-Through + * + * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf + */ + memset(cdb, 0, sizeof(cdb)); + cdb[0] = 0x85; /* OPERATION CODE: 16 byte pass through */ + cdb[1] = 4 << 1; /* PROTOCOL: PIO Data-in */ + cdb[2] = 0x2e; /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */ + cdb[3] = 0; /* FEATURES */ + cdb[4] = 0; /* FEATURES */ + cdb[5] = 0; /* SECTORS */ + cdb[6] = 1; /* SECTORS */ + cdb[7] = 0; /* LBA LOW */ + cdb[8] = 0; /* LBA LOW */ + cdb[9] = 0; /* LBA MID */ + cdb[10] = 0; /* LBA MID */ + cdb[11] = 0; /* LBA HIGH */ + cdb[12] = 0; /* LBA HIGH */ + cdb[13] = 0; /* DEVICE */ + cdb[14] = 0xA1; /* Command: ATA IDENTIFY PACKET DEVICE */; + cdb[15] = 0; /* CONTROL */ + memset(sense, 0, sizeof(sense)); + + memset(&io_v4, 0, sizeof(struct sg_io_v4)); + io_v4.guard = 'Q'; + io_v4.protocol = BSG_PROTOCOL_SCSI; + io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; + io_v4.request_len = sizeof (cdb); + io_v4.request = (uintptr_t) cdb; + io_v4.max_response_len = sizeof (sense); + io_v4.response = (uintptr_t) sense; + io_v4.din_xfer_len = buf_len; + io_v4.din_xferp = (uintptr_t) buf; + io_v4.timeout = COMMAND_TIMEOUT_MSEC; + + ret = ioctl(fd, SG_IO, &io_v4); + if (ret != 0) { + /* could be that the driver doesn't do version 4, try version 3 */ + if (errno == EINVAL) { + struct sg_io_hdr io_hdr; + + memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); + io_hdr.interface_id = 'S'; + io_hdr.cmdp = (unsigned char*) cdb; + io_hdr.cmd_len = sizeof (cdb); + io_hdr.dxferp = buf; + io_hdr.dxfer_len = buf_len; + io_hdr.sbp = sense; + io_hdr.mx_sb_len = sizeof (sense); + io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; + io_hdr.timeout = COMMAND_TIMEOUT_MSEC; + + ret = ioctl(fd, SG_IO, &io_hdr); + if (ret != 0) + goto out; + } else { + goto out; + } + } + + if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) { + errno = EIO; + ret = -1; + goto out; + } out: - return ret; + return ret; } /** @@ -295,43 +295,43 @@ static int disk_identify_packet_device_command(int fd, * Copies the ATA string from @identify located at @offset_words into @dest. */ static void disk_identify_get_string (uint8_t identify[512], - unsigned int offset_words, - char *dest, - size_t dest_len) + unsigned int offset_words, + char *dest, + size_t dest_len) { - unsigned int c1; - unsigned int c2; - - assert (identify != NULL); - assert (dest != NULL); - assert ((dest_len & 1) == 0); - - while (dest_len > 0) { - c1 = ((uint16_t *) identify)[offset_words] >> 8; - c2 = ((uint16_t *) identify)[offset_words] & 0xff; - *dest = c1; - dest++; - *dest = c2; - dest++; - offset_words++; - dest_len -= 2; - } + unsigned int c1; + unsigned int c2; + + assert (identify != NULL); + assert (dest != NULL); + assert ((dest_len & 1) == 0); + + while (dest_len > 0) { + c1 = ((uint16_t *) identify)[offset_words] >> 8; + c2 = ((uint16_t *) identify)[offset_words] & 0xff; + *dest = c1; + dest++; + *dest = c2; + dest++; + offset_words++; + dest_len -= 2; + } } static void disk_identify_fixup_string (uint8_t identify[512], - unsigned int offset_words, - size_t len) + unsigned int offset_words, + size_t len) { - disk_identify_get_string(identify, offset_words, - (char *) identify + offset_words * 2, len); + disk_identify_get_string(identify, offset_words, + (char *) identify + offset_words * 2, len); } static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned int offset_words) { - uint16_t *p; + uint16_t *p; - p = (uint16_t *) identify; - p[offset_words] = le16toh (p[offset_words]); + p = (uint16_t *) identify; + p[offset_words] = le16toh (p[offset_words]); } /** @@ -352,375 +352,375 @@ static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned int offs * non-zero with errno set. */ static int disk_identify (struct udev *udev, - int fd, - uint8_t out_identify[512], - int *out_is_packet_device) + int fd, + uint8_t out_identify[512], + int *out_is_packet_device) { - int ret; - uint8_t inquiry_buf[36]; - int peripheral_device_type; - int all_nul_bytes; - int n; - int is_packet_device; - - assert (out_identify != NULL); - - /* init results */ - ret = -1; - memset (out_identify, '\0', 512); - is_packet_device = 0; - - /* If we were to use ATA PASS_THROUGH (12) on an ATAPI device - * we could accidentally blank media. This is because MMC's BLANK - * command has the same op-code (0x61). - * - * To prevent this from happening we bail out if the device - * isn't a Direct Access Block Device, e.g. SCSI type 0x00 - * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY - * command first... libata is handling this via its SCSI - * emulation layer. - * - * This also ensures that we're actually dealing with a device - * that understands SCSI commands. - * - * (Yes, it is a bit perverse that we're tunneling the ATA - * command through SCSI and relying on the ATA driver - * emulating SCSI well-enough...) - * - * (See commit 160b069c25690bfb0c785994c7c3710289179107 for - * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635 - * for the original bug-report.) - */ - ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf)); - if (ret != 0) - goto out; - - /* SPC-4, section 6.4.2: Standard INQUIRY data */ - peripheral_device_type = inquiry_buf[0] & 0x1f; - if (peripheral_device_type == 0x05) - { - is_packet_device = 1; - ret = disk_identify_packet_device_command(fd, out_identify, 512); - goto check_nul_bytes; - } - if (peripheral_device_type != 0x00) { - ret = -1; - errno = EIO; - goto out; - } - - /* OK, now issue the IDENTIFY DEVICE command */ - ret = disk_identify_command(fd, out_identify, 512); - if (ret != 0) - goto out; + int ret; + uint8_t inquiry_buf[36]; + int peripheral_device_type; + int all_nul_bytes; + int n; + int is_packet_device; + + assert (out_identify != NULL); + + /* init results */ + ret = -1; + memset (out_identify, '\0', 512); + is_packet_device = 0; + + /* If we were to use ATA PASS_THROUGH (12) on an ATAPI device + * we could accidentally blank media. This is because MMC's BLANK + * command has the same op-code (0x61). + * + * To prevent this from happening we bail out if the device + * isn't a Direct Access Block Device, e.g. SCSI type 0x00 + * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY + * command first... libata is handling this via its SCSI + * emulation layer. + * + * This also ensures that we're actually dealing with a device + * that understands SCSI commands. + * + * (Yes, it is a bit perverse that we're tunneling the ATA + * command through SCSI and relying on the ATA driver + * emulating SCSI well-enough...) + * + * (See commit 160b069c25690bfb0c785994c7c3710289179107 for + * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635 + * for the original bug-report.) + */ + ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf)); + if (ret != 0) + goto out; + + /* SPC-4, section 6.4.2: Standard INQUIRY data */ + peripheral_device_type = inquiry_buf[0] & 0x1f; + if (peripheral_device_type == 0x05) + { + is_packet_device = 1; + ret = disk_identify_packet_device_command(fd, out_identify, 512); + goto check_nul_bytes; + } + if (peripheral_device_type != 0x00) { + ret = -1; + errno = EIO; + goto out; + } + + /* OK, now issue the IDENTIFY DEVICE command */ + ret = disk_identify_command(fd, out_identify, 512); + if (ret != 0) + goto out; check_nul_bytes: - /* Check if IDENTIFY data is all NUL bytes - if so, bail */ - all_nul_bytes = 1; - for (n = 0; n < 512; n++) { - if (out_identify[n] != '\0') { - all_nul_bytes = 0; - break; - } - } - - if (all_nul_bytes) { - ret = -1; - errno = EIO; - goto out; - } + /* Check if IDENTIFY data is all NUL bytes - if so, bail */ + all_nul_bytes = 1; + for (n = 0; n < 512; n++) { + if (out_identify[n] != '\0') { + all_nul_bytes = 0; + break; + } + } + + if (all_nul_bytes) { + ret = -1; + errno = EIO; + goto out; + } out: - if (out_is_packet_device != NULL) - *out_is_packet_device = is_packet_device; - return ret; + if (out_is_packet_device != NULL) + *out_is_packet_device = is_packet_device; + return ret; } static void log_fn(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - vsyslog(priority, format, args); + vsyslog(priority, format, args); } int main(int argc, char *argv[]) { - struct udev *udev; - struct hd_driveid id; - uint8_t identify[512]; - uint16_t *identify_words; - char model[41]; - char model_enc[256]; - char serial[21]; - char revision[9]; - const char *node = NULL; - int export = 0; - int fd; - uint16_t word; - int rc = 0; - int is_packet_device = 0; - static const struct option options[] = { - { "export", no_argument, NULL, 'x' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - udev = udev_new(); - if (udev == NULL) - goto exit; - - udev_log_init("ata_id"); - udev_set_log_fn(udev, log_fn); - - while (1) { - int option; - - option = getopt_long(argc, argv, "xh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'x': - export = 1; - break; - case 'h': - printf("Usage: ata_id [--export] [--help] \n" - " --export print values as environment keys\n" - " --help print this help text\n\n"); - goto exit; - } - } - - node = argv[optind]; - if (node == NULL) { - err(udev, "no node specified\n"); - rc = 1; - goto exit; - } - - fd = open(node, O_RDONLY|O_NONBLOCK); - if (fd < 0) { - err(udev, "unable to open '%s'\n", node); - rc = 1; - goto exit; - } - - if (disk_identify(udev, fd, identify, &is_packet_device) == 0) { - /* - * fix up only the fields from the IDENTIFY data that we are going to - * use and copy it into the hd_driveid struct for convenience - */ - disk_identify_fixup_string (identify, 10, 20); /* serial */ - disk_identify_fixup_string (identify, 23, 6); /* fwrev */ - disk_identify_fixup_string (identify, 27, 40); /* model */ - disk_identify_fixup_uint16 (identify, 0); /* configuration */ - disk_identify_fixup_uint16 (identify, 75); /* queue depth */ - disk_identify_fixup_uint16 (identify, 75); /* SATA capabilities */ - disk_identify_fixup_uint16 (identify, 82); /* command set supported */ - disk_identify_fixup_uint16 (identify, 83); /* command set supported */ - disk_identify_fixup_uint16 (identify, 84); /* command set supported */ - disk_identify_fixup_uint16 (identify, 85); /* command set supported */ - disk_identify_fixup_uint16 (identify, 86); /* command set supported */ - disk_identify_fixup_uint16 (identify, 87); /* command set supported */ - disk_identify_fixup_uint16 (identify, 89); /* time required for SECURITY ERASE UNIT */ - disk_identify_fixup_uint16 (identify, 90); /* time required for enhanced SECURITY ERASE UNIT */ - disk_identify_fixup_uint16 (identify, 91); /* current APM values */ - disk_identify_fixup_uint16 (identify, 94); /* current AAM value */ - disk_identify_fixup_uint16 (identify, 128); /* device lock function */ - disk_identify_fixup_uint16 (identify, 217); /* nominal media rotation rate */ - memcpy(&id, identify, sizeof id); - } else { - /* If this fails, then try HDIO_GET_IDENTITY */ - if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) { - if (errno == ENOTTY) { - info(udev, "HDIO_GET_IDENTITY unsupported for '%s'\n", node); - rc = 2; - } else { - err(udev, "HDIO_GET_IDENTITY failed for '%s': %m\n", node); - rc = 3; - } - goto close; - } - } - identify_words = (uint16_t *) identify; - - memcpy (model, id.model, 40); - model[40] = '\0'; - udev_util_encode_string(model, model_enc, sizeof(model_enc)); - util_replace_whitespace((char *) id.model, model, 40); - util_replace_chars(model, NULL); - util_replace_whitespace((char *) id.serial_no, serial, 20); - util_replace_chars(serial, NULL); - util_replace_whitespace((char *) id.fw_rev, revision, 8); - util_replace_chars(revision, NULL); - - if (export) { - /* Set this to convey the disk speaks the ATA protocol */ - printf("ID_ATA=1\n"); - - if ((id.config >> 8) & 0x80) { - /* This is an ATAPI device */ - switch ((id.config >> 8) & 0x1f) { - case 0: - printf("ID_TYPE=cd\n"); - break; - case 1: - printf("ID_TYPE=tape\n"); - break; - case 5: - printf("ID_TYPE=cd\n"); - break; - case 7: - printf("ID_TYPE=optical\n"); - break; - default: - printf("ID_TYPE=generic\n"); - break; - } - } else { - printf("ID_TYPE=disk\n"); - } - printf("ID_BUS=ata\n"); - printf("ID_MODEL=%s\n", model); - printf("ID_MODEL_ENC=%s\n", model_enc); - printf("ID_REVISION=%s\n", revision); - if (serial[0] != '\0') { - printf("ID_SERIAL=%s_%s\n", model, serial); - printf("ID_SERIAL_SHORT=%s\n", serial); - } else { - printf("ID_SERIAL=%s\n", model); - } - - if (id.command_set_1 & (1<<5)) { - printf ("ID_ATA_WRITE_CACHE=1\n"); - printf ("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id.cfs_enable_1 & (1<<5)) ? 1 : 0); - } - if (id.command_set_1 & (1<<10)) { - printf("ID_ATA_FEATURE_SET_HPA=1\n"); - printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id.cfs_enable_1 & (1<<10)) ? 1 : 0); - - /* - * TODO: use the READ NATIVE MAX ADDRESS command to get the native max address - * so it is easy to check whether the protected area is in use. - */ - } - if (id.command_set_1 & (1<<3)) { - printf("ID_ATA_FEATURE_SET_PM=1\n"); - printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id.cfs_enable_1 & (1<<3)) ? 1 : 0); - } - if (id.command_set_1 & (1<<1)) { - printf("ID_ATA_FEATURE_SET_SECURITY=1\n"); - printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id.cfs_enable_1 & (1<<1)) ? 1 : 0); - printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id.trseuc * 2); - if ((id.cfs_enable_1 & (1<<1))) /* enabled */ { - if (id.dlf & (1<<8)) - printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n"); - else - printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n"); - } - if (id.dlf & (1<<5)) - printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id.trsEuc * 2); - if (id.dlf & (1<<4)) - printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n"); - if (id.dlf & (1<<3)) - printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n"); - if (id.dlf & (1<<2)) - printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n"); - } - if (id.command_set_1 & (1<<0)) { - printf("ID_ATA_FEATURE_SET_SMART=1\n"); - printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id.cfs_enable_1 & (1<<0)) ? 1 : 0); - } - if (id.command_set_2 & (1<<9)) { - printf("ID_ATA_FEATURE_SET_AAM=1\n"); - printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<9)) ? 1 : 0); - printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id.acoustic >> 8); - printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id.acoustic & 0xff); - } - if (id.command_set_2 & (1<<5)) { - printf("ID_ATA_FEATURE_SET_PUIS=1\n"); - printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id.cfs_enable_2 & (1<<5)) ? 1 : 0); - } - if (id.command_set_2 & (1<<3)) { - printf("ID_ATA_FEATURE_SET_APM=1\n"); - printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<3)) ? 1 : 0); - if ((id.cfs_enable_2 & (1<<3))) - printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id.CurAPMvalues & 0xff); - } - if (id.command_set_2 & (1<<0)) - printf("ID_ATA_DOWNLOAD_MICROCODE=1\n"); - - /* - * Word 76 indicates the capabilities of a SATA device. A PATA device shall set - * word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then - * the device does not claim compliance with the Serial ATA specification and words - * 76 through 79 are not valid and shall be ignored. - */ - word = *((uint16_t *) identify + 76); - if (word != 0x0000 && word != 0xffff) { - printf("ID_ATA_SATA=1\n"); - /* - * If bit 2 of word 76 is set to one, then the device supports the Gen2 - * signaling rate of 3.0 Gb/s (see SATA 2.6). - * - * If bit 1 of word 76 is set to one, then the device supports the Gen1 - * signaling rate of 1.5 Gb/s (see SATA 2.6). - */ - if (word & (1<<2)) - printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n"); - if (word & (1<<1)) - printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n"); - } - - /* Word 217 indicates the nominal media rotation rate of the device */ - word = *((uint16_t *) identify + 217); - if (word != 0x0000) { - if (word == 0x0001) { - printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */ - } else if (word >= 0x0401 && word <= 0xfffe) { - printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word); - } - } - - /* - * Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier - * format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE. - * All other values are reserved. - */ - word = *((uint16_t *) identify + 108); - if ((word & 0xf000) == 0x5000) { - uint64_t wwwn; - - wwwn = *((uint16_t *) identify + 108); - wwwn <<= 16; - wwwn |= *((uint16_t *) identify + 109); - wwwn <<= 16; - wwwn |= *((uint16_t *) identify + 110); - wwwn <<= 16; - wwwn |= *((uint16_t *) identify + 111); - printf("ID_WWN=0x%llx\n", (unsigned long long int) wwwn); - /* ATA devices have no vendor extension */ - printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn); - } - - /* from Linux's include/linux/ata.h */ - if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) { - printf("ID_ATA_CFA=1\n"); - } else { - if ((identify_words[83] & 0xc004) == 0x4004) { - printf("ID_ATA_CFA=1\n"); - } - } - } else { - if (serial[0] != '\0') - printf("%s_%s\n", model, serial); - else - printf("%s\n", model); - } + struct udev *udev; + struct hd_driveid id; + uint8_t identify[512]; + uint16_t *identify_words; + char model[41]; + char model_enc[256]; + char serial[21]; + char revision[9]; + const char *node = NULL; + int export = 0; + int fd; + uint16_t word; + int rc = 0; + int is_packet_device = 0; + static const struct option options[] = { + { "export", no_argument, NULL, 'x' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + udev = udev_new(); + if (udev == NULL) + goto exit; + + udev_log_init("ata_id"); + udev_set_log_fn(udev, log_fn); + + while (1) { + int option; + + option = getopt_long(argc, argv, "xh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'x': + export = 1; + break; + case 'h': + printf("Usage: ata_id [--export] [--help] \n" + " --export print values as environment keys\n" + " --help print this help text\n\n"); + goto exit; + } + } + + node = argv[optind]; + if (node == NULL) { + err(udev, "no node specified\n"); + rc = 1; + goto exit; + } + + fd = open(node, O_RDONLY|O_NONBLOCK); + if (fd < 0) { + err(udev, "unable to open '%s'\n", node); + rc = 1; + goto exit; + } + + if (disk_identify(udev, fd, identify, &is_packet_device) == 0) { + /* + * fix up only the fields from the IDENTIFY data that we are going to + * use and copy it into the hd_driveid struct for convenience + */ + disk_identify_fixup_string (identify, 10, 20); /* serial */ + disk_identify_fixup_string (identify, 23, 6); /* fwrev */ + disk_identify_fixup_string (identify, 27, 40); /* model */ + disk_identify_fixup_uint16 (identify, 0); /* configuration */ + disk_identify_fixup_uint16 (identify, 75); /* queue depth */ + disk_identify_fixup_uint16 (identify, 75); /* SATA capabilities */ + disk_identify_fixup_uint16 (identify, 82); /* command set supported */ + disk_identify_fixup_uint16 (identify, 83); /* command set supported */ + disk_identify_fixup_uint16 (identify, 84); /* command set supported */ + disk_identify_fixup_uint16 (identify, 85); /* command set supported */ + disk_identify_fixup_uint16 (identify, 86); /* command set supported */ + disk_identify_fixup_uint16 (identify, 87); /* command set supported */ + disk_identify_fixup_uint16 (identify, 89); /* time required for SECURITY ERASE UNIT */ + disk_identify_fixup_uint16 (identify, 90); /* time required for enhanced SECURITY ERASE UNIT */ + disk_identify_fixup_uint16 (identify, 91); /* current APM values */ + disk_identify_fixup_uint16 (identify, 94); /* current AAM value */ + disk_identify_fixup_uint16 (identify, 128); /* device lock function */ + disk_identify_fixup_uint16 (identify, 217); /* nominal media rotation rate */ + memcpy(&id, identify, sizeof id); + } else { + /* If this fails, then try HDIO_GET_IDENTITY */ + if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) { + if (errno == ENOTTY) { + info(udev, "HDIO_GET_IDENTITY unsupported for '%s'\n", node); + rc = 2; + } else { + err(udev, "HDIO_GET_IDENTITY failed for '%s': %m\n", node); + rc = 3; + } + goto close; + } + } + identify_words = (uint16_t *) identify; + + memcpy (model, id.model, 40); + model[40] = '\0'; + udev_util_encode_string(model, model_enc, sizeof(model_enc)); + util_replace_whitespace((char *) id.model, model, 40); + util_replace_chars(model, NULL); + util_replace_whitespace((char *) id.serial_no, serial, 20); + util_replace_chars(serial, NULL); + util_replace_whitespace((char *) id.fw_rev, revision, 8); + util_replace_chars(revision, NULL); + + if (export) { + /* Set this to convey the disk speaks the ATA protocol */ + printf("ID_ATA=1\n"); + + if ((id.config >> 8) & 0x80) { + /* This is an ATAPI device */ + switch ((id.config >> 8) & 0x1f) { + case 0: + printf("ID_TYPE=cd\n"); + break; + case 1: + printf("ID_TYPE=tape\n"); + break; + case 5: + printf("ID_TYPE=cd\n"); + break; + case 7: + printf("ID_TYPE=optical\n"); + break; + default: + printf("ID_TYPE=generic\n"); + break; + } + } else { + printf("ID_TYPE=disk\n"); + } + printf("ID_BUS=ata\n"); + printf("ID_MODEL=%s\n", model); + printf("ID_MODEL_ENC=%s\n", model_enc); + printf("ID_REVISION=%s\n", revision); + if (serial[0] != '\0') { + printf("ID_SERIAL=%s_%s\n", model, serial); + printf("ID_SERIAL_SHORT=%s\n", serial); + } else { + printf("ID_SERIAL=%s\n", model); + } + + if (id.command_set_1 & (1<<5)) { + printf ("ID_ATA_WRITE_CACHE=1\n"); + printf ("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id.cfs_enable_1 & (1<<5)) ? 1 : 0); + } + if (id.command_set_1 & (1<<10)) { + printf("ID_ATA_FEATURE_SET_HPA=1\n"); + printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id.cfs_enable_1 & (1<<10)) ? 1 : 0); + + /* + * TODO: use the READ NATIVE MAX ADDRESS command to get the native max address + * so it is easy to check whether the protected area is in use. + */ + } + if (id.command_set_1 & (1<<3)) { + printf("ID_ATA_FEATURE_SET_PM=1\n"); + printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id.cfs_enable_1 & (1<<3)) ? 1 : 0); + } + if (id.command_set_1 & (1<<1)) { + printf("ID_ATA_FEATURE_SET_SECURITY=1\n"); + printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id.cfs_enable_1 & (1<<1)) ? 1 : 0); + printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id.trseuc * 2); + if ((id.cfs_enable_1 & (1<<1))) /* enabled */ { + if (id.dlf & (1<<8)) + printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n"); + else + printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n"); + } + if (id.dlf & (1<<5)) + printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id.trsEuc * 2); + if (id.dlf & (1<<4)) + printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n"); + if (id.dlf & (1<<3)) + printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n"); + if (id.dlf & (1<<2)) + printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n"); + } + if (id.command_set_1 & (1<<0)) { + printf("ID_ATA_FEATURE_SET_SMART=1\n"); + printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id.cfs_enable_1 & (1<<0)) ? 1 : 0); + } + if (id.command_set_2 & (1<<9)) { + printf("ID_ATA_FEATURE_SET_AAM=1\n"); + printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<9)) ? 1 : 0); + printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id.acoustic >> 8); + printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id.acoustic & 0xff); + } + if (id.command_set_2 & (1<<5)) { + printf("ID_ATA_FEATURE_SET_PUIS=1\n"); + printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id.cfs_enable_2 & (1<<5)) ? 1 : 0); + } + if (id.command_set_2 & (1<<3)) { + printf("ID_ATA_FEATURE_SET_APM=1\n"); + printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<3)) ? 1 : 0); + if ((id.cfs_enable_2 & (1<<3))) + printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id.CurAPMvalues & 0xff); + } + if (id.command_set_2 & (1<<0)) + printf("ID_ATA_DOWNLOAD_MICROCODE=1\n"); + + /* + * Word 76 indicates the capabilities of a SATA device. A PATA device shall set + * word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then + * the device does not claim compliance with the Serial ATA specification and words + * 76 through 79 are not valid and shall be ignored. + */ + word = *((uint16_t *) identify + 76); + if (word != 0x0000 && word != 0xffff) { + printf("ID_ATA_SATA=1\n"); + /* + * If bit 2 of word 76 is set to one, then the device supports the Gen2 + * signaling rate of 3.0 Gb/s (see SATA 2.6). + * + * If bit 1 of word 76 is set to one, then the device supports the Gen1 + * signaling rate of 1.5 Gb/s (see SATA 2.6). + */ + if (word & (1<<2)) + printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n"); + if (word & (1<<1)) + printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n"); + } + + /* Word 217 indicates the nominal media rotation rate of the device */ + word = *((uint16_t *) identify + 217); + if (word != 0x0000) { + if (word == 0x0001) { + printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */ + } else if (word >= 0x0401 && word <= 0xfffe) { + printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word); + } + } + + /* + * Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier + * format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE. + * All other values are reserved. + */ + word = *((uint16_t *) identify + 108); + if ((word & 0xf000) == 0x5000) { + uint64_t wwwn; + + wwwn = *((uint16_t *) identify + 108); + wwwn <<= 16; + wwwn |= *((uint16_t *) identify + 109); + wwwn <<= 16; + wwwn |= *((uint16_t *) identify + 110); + wwwn <<= 16; + wwwn |= *((uint16_t *) identify + 111); + printf("ID_WWN=0x%llx\n", (unsigned long long int) wwwn); + /* ATA devices have no vendor extension */ + printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn); + } + + /* from Linux's include/linux/ata.h */ + if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) { + printf("ID_ATA_CFA=1\n"); + } else { + if ((identify_words[83] & 0xc004) == 0x4004) { + printf("ID_ATA_CFA=1\n"); + } + } + } else { + if (serial[0] != '\0') + printf("%s_%s\n", model, serial); + else + printf("%s\n", model); + } close: - close(fd); + close(fd); exit: - udev_unref(udev); - udev_log_close(); - return rc; + udev_unref(udev); + udev_log_close(); + return rc; } diff --git a/src/extras/cdrom_id/cdrom_id.c b/src/extras/cdrom_id/cdrom_id.c index 664a00d2c..daaebee14 100644 --- a/src/extras/cdrom_id/cdrom_id.c +++ b/src/extras/cdrom_id/cdrom_id.c @@ -44,15 +44,15 @@ static bool debug; static void log_fn(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - if (debug) { - fprintf(stderr, "%s: ", fn); - vfprintf(stderr, format, args); - } else { - vsyslog(priority, format, args); - } + if (debug) { + fprintf(stderr, "%s: ", fn); + vfprintf(stderr, format, args); + } else { + vsyslog(priority, format, args); + } } /* device info */ @@ -110,990 +110,990 @@ static unsigned int cd_media_track_count_data = 0; static unsigned int cd_media_track_count_audio = 0; static unsigned long long int cd_media_session_last_offset = 0; -#define ERRCODE(s) ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13])) -#define SK(errcode) (((errcode) >> 16) & 0xF) -#define ASC(errcode) (((errcode) >> 8) & 0xFF) -#define ASCQ(errcode) ((errcode) & 0xFF) +#define ERRCODE(s) ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13])) +#define SK(errcode) (((errcode) >> 16) & 0xF) +#define ASC(errcode) (((errcode) >> 8) & 0xFF) +#define ASCQ(errcode) ((errcode) & 0xFF) static int is_mounted(const char *device) { - struct stat statbuf; - FILE *fp; - int maj, min; - int mounted = 0; - - if (stat(device, &statbuf) < 0) - return -ENODEV; - - fp = fopen("/proc/self/mountinfo", "r"); - if (fp == NULL) - return -ENOSYS; - while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) { - if (makedev(maj, min) == statbuf.st_rdev) { - mounted = 1; - break; - } - } - fclose(fp); - return mounted; + struct stat statbuf; + FILE *fp; + int maj, min; + int mounted = 0; + + if (stat(device, &statbuf) < 0) + return -ENODEV; + + fp = fopen("/proc/self/mountinfo", "r"); + if (fp == NULL) + return -ENOSYS; + while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) { + if (makedev(maj, min) == statbuf.st_rdev) { + mounted = 1; + break; + } + } + fclose(fp); + return mounted; } static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err) { - if (err == -1) { - info(udev, "%s failed\n", cmd); - return; - } - info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err)); + if (err == -1) { + info(udev, "%s failed\n", cmd); + return; + } + info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err)); } struct scsi_cmd { - struct cdrom_generic_command cgc; - union { - struct request_sense s; - unsigned char u[18]; - } _sense; - struct sg_io_hdr sg_io; + struct cdrom_generic_command cgc; + union { + struct request_sense s; + unsigned char u[18]; + } _sense; + struct sg_io_hdr sg_io; }; static void scsi_cmd_init(struct udev *udev, struct scsi_cmd *cmd) { - memset(cmd, 0x00, sizeof(struct scsi_cmd)); - cmd->cgc.quiet = 1; - cmd->cgc.sense = &cmd->_sense.s; - cmd->sg_io.interface_id = 'S'; - cmd->sg_io.mx_sb_len = sizeof(cmd->_sense); - cmd->sg_io.cmdp = cmd->cgc.cmd; - cmd->sg_io.sbp = cmd->_sense.u; - cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO; + memset(cmd, 0x00, sizeof(struct scsi_cmd)); + cmd->cgc.quiet = 1; + cmd->cgc.sense = &cmd->_sense.s; + cmd->sg_io.interface_id = 'S'; + cmd->sg_io.mx_sb_len = sizeof(cmd->_sense); + cmd->sg_io.cmdp = cmd->cgc.cmd; + cmd->sg_io.sbp = cmd->_sense.u; + cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO; } static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, unsigned char arg) { - cmd->sg_io.cmd_len = i + 1; - cmd->cgc.cmd[i] = arg; + cmd->sg_io.cmd_len = i + 1; + cmd->cgc.cmd[i] = arg; } #define CHECK_CONDITION 0x01 static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize) { - int ret = 0; - - if (bufsize > 0) { - cmd->sg_io.dxferp = buf; - cmd->sg_io.dxfer_len = bufsize; - cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV; - } else { - cmd->sg_io.dxfer_direction = SG_DXFER_NONE; - } - if (ioctl(fd, SG_IO, &cmd->sg_io)) - return -1; - - if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) { - errno = EIO; - ret = -1; - if (cmd->sg_io.masked_status & CHECK_CONDITION) { - ret = ERRCODE(cmd->_sense.u); - if (ret == 0) - ret = -1; - } - } - return ret; + int ret = 0; + + if (bufsize > 0) { + cmd->sg_io.dxferp = buf; + cmd->sg_io.dxfer_len = bufsize; + cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV; + } else { + cmd->sg_io.dxfer_direction = SG_DXFER_NONE; + } + if (ioctl(fd, SG_IO, &cmd->sg_io)) + return -1; + + if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) { + errno = EIO; + ret = -1; + if (cmd->sg_io.masked_status & CHECK_CONDITION) { + ret = ERRCODE(cmd->_sense.u); + if (ret == 0) + ret = -1; + } + } + return ret; } static int media_lock(struct udev *udev, int fd, bool lock) { - int err; + int err; - /* disable the kernel's lock logic */ - err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK); - if (err < 0) - info(udev, "CDROM_CLEAR_OPTIONS, CDO_LOCK failed\n"); + /* disable the kernel's lock logic */ + err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK); + if (err < 0) + info(udev, "CDROM_CLEAR_OPTIONS, CDO_LOCK failed\n"); - err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0); - if (err < 0) - info(udev, "CDROM_LOCKDOOR failed\n"); + err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0); + if (err < 0) + info(udev, "CDROM_LOCKDOOR failed\n"); - return err; + return err; } static int media_eject(struct udev *udev, int fd) { - struct scsi_cmd sc; - int err; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x1b); - scsi_cmd_set(udev, &sc, 4, 0x02); - scsi_cmd_set(udev, &sc, 5, 0); - err = scsi_cmd_run(udev, &sc, fd, NULL, 0); - if ((err != 0)) { - info_scsi_cmd_err(udev, "START_STOP_UNIT", err); - return -1; - } - return 0; + struct scsi_cmd sc; + int err; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x1b); + scsi_cmd_set(udev, &sc, 4, 0x02); + scsi_cmd_set(udev, &sc, 5, 0); + err = scsi_cmd_run(udev, &sc, fd, NULL, 0); + if ((err != 0)) { + info_scsi_cmd_err(udev, "START_STOP_UNIT", err); + return -1; + } + return 0; } static int cd_capability_compat(struct udev *udev, int fd) { - int capability; - - capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL); - if (capability < 0) { - info(udev, "CDROM_GET_CAPABILITY failed\n"); - return -1; - } - - if (capability & CDC_CD_R) - cd_cd_r = 1; - if (capability & CDC_CD_RW) - cd_cd_rw = 1; - if (capability & CDC_DVD) - cd_dvd_rom = 1; - if (capability & CDC_DVD_R) - cd_dvd_r = 1; - if (capability & CDC_DVD_RAM) - cd_dvd_ram = 1; - if (capability & CDC_MRW) - cd_mrw = 1; - if (capability & CDC_MRW_W) - cd_mrw_w = 1; - return 0; + int capability; + + capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL); + if (capability < 0) { + info(udev, "CDROM_GET_CAPABILITY failed\n"); + return -1; + } + + if (capability & CDC_CD_R) + cd_cd_r = 1; + if (capability & CDC_CD_RW) + cd_cd_rw = 1; + if (capability & CDC_DVD) + cd_dvd_rom = 1; + if (capability & CDC_DVD_R) + cd_dvd_r = 1; + if (capability & CDC_DVD_RAM) + cd_dvd_ram = 1; + if (capability & CDC_MRW) + cd_mrw = 1; + if (capability & CDC_MRW_W) + cd_mrw_w = 1; + return 0; } static int cd_media_compat(struct udev *udev, int fd) { - if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) { - info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n"); - return -1; - } - cd_media = 1; - return 0; + if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) { + info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n"); + return -1; + } + cd_media = 1; + return 0; } static int cd_inquiry(struct udev *udev, int fd) { - struct scsi_cmd sc; - unsigned char inq[128]; - int err; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x12); - scsi_cmd_set(udev, &sc, 4, 36); - scsi_cmd_set(udev, &sc, 5, 0); - err = scsi_cmd_run(udev, &sc, fd, inq, 36); - if ((err != 0)) { - info_scsi_cmd_err(udev, "INQUIRY", err); - return -1; - } - - if ((inq[0] & 0x1F) != 5) { - info(udev, "not an MMC unit\n"); - return -1; - } - - info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32); - return 0; + struct scsi_cmd sc; + unsigned char inq[128]; + int err; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x12); + scsi_cmd_set(udev, &sc, 4, 36); + scsi_cmd_set(udev, &sc, 5, 0); + err = scsi_cmd_run(udev, &sc, fd, inq, 36); + if ((err != 0)) { + info_scsi_cmd_err(udev, "INQUIRY", err); + return -1; + } + + if ((inq[0] & 0x1F) != 5) { + info(udev, "not an MMC unit\n"); + return -1; + } + + info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32); + return 0; } static void feature_profile_media(struct udev *udev, int cur_profile) { - switch (cur_profile) { - case 0x03: - case 0x04: - case 0x05: - info(udev, "profile 0x%02x \n", cur_profile); - cd_media = 1; - cd_media_mo = 1; - break; - case 0x08: - info(udev, "profile 0x%02x media_cd_rom\n", cur_profile); - cd_media = 1; - cd_media_cd_rom = 1; - break; - case 0x09: - info(udev, "profile 0x%02x media_cd_r\n", cur_profile); - cd_media = 1; - cd_media_cd_r = 1; - break; - case 0x0a: - info(udev, "profile 0x%02x media_cd_rw\n", cur_profile); - cd_media = 1; - cd_media_cd_rw = 1; - break; - case 0x10: - info(udev, "profile 0x%02x media_dvd_ro\n", cur_profile); - cd_media = 1; - cd_media_dvd_rom = 1; - break; - case 0x11: - info(udev, "profile 0x%02x media_dvd_r\n", cur_profile); - cd_media = 1; - cd_media_dvd_r = 1; - break; - case 0x12: - info(udev, "profile 0x%02x media_dvd_ram\n", cur_profile); - cd_media = 1; - cd_media_dvd_ram = 1; - break; - case 0x13: - info(udev, "profile 0x%02x media_dvd_rw_ro\n", cur_profile); - cd_media = 1; - cd_media_dvd_rw = 1; - cd_media_dvd_rw_ro = 1; - break; - case 0x14: - info(udev, "profile 0x%02x media_dvd_rw_seq\n", cur_profile); - cd_media = 1; - cd_media_dvd_rw = 1; - cd_media_dvd_rw_seq = 1; - break; - case 0x1B: - info(udev, "profile 0x%02x media_dvd_plus_r\n", cur_profile); - cd_media = 1; - cd_media_dvd_plus_r = 1; - break; - case 0x1A: - info(udev, "profile 0x%02x media_dvd_plus_rw\n", cur_profile); - cd_media = 1; - cd_media_dvd_plus_rw = 1; - break; - case 0x2A: - info(udev, "profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile); - cd_media = 1; - cd_media_dvd_plus_rw_dl = 1; - break; - case 0x2B: - info(udev, "profile 0x%02x media_dvd_plus_r_dl\n", cur_profile); - cd_media = 1; - cd_media_dvd_plus_r_dl = 1; - break; - case 0x40: - info(udev, "profile 0x%02x media_bd\n", cur_profile); - cd_media = 1; - cd_media_bd = 1; - break; - case 0x41: - case 0x42: - info(udev, "profile 0x%02x media_bd_r\n", cur_profile); - cd_media = 1; - cd_media_bd_r = 1; - break; - case 0x43: - info(udev, "profile 0x%02x media_bd_re\n", cur_profile); - cd_media = 1; - cd_media_bd_re = 1; - break; - case 0x50: - info(udev, "profile 0x%02x media_hddvd\n", cur_profile); - cd_media = 1; - cd_media_hddvd = 1; - break; - case 0x51: - info(udev, "profile 0x%02x media_hddvd_r\n", cur_profile); - cd_media = 1; - cd_media_hddvd_r = 1; - break; - case 0x52: - info(udev, "profile 0x%02x media_hddvd_rw\n", cur_profile); - cd_media = 1; - cd_media_hddvd_rw = 1; - break; - default: - info(udev, "profile 0x%02x \n", cur_profile); - break; - } + switch (cur_profile) { + case 0x03: + case 0x04: + case 0x05: + info(udev, "profile 0x%02x \n", cur_profile); + cd_media = 1; + cd_media_mo = 1; + break; + case 0x08: + info(udev, "profile 0x%02x media_cd_rom\n", cur_profile); + cd_media = 1; + cd_media_cd_rom = 1; + break; + case 0x09: + info(udev, "profile 0x%02x media_cd_r\n", cur_profile); + cd_media = 1; + cd_media_cd_r = 1; + break; + case 0x0a: + info(udev, "profile 0x%02x media_cd_rw\n", cur_profile); + cd_media = 1; + cd_media_cd_rw = 1; + break; + case 0x10: + info(udev, "profile 0x%02x media_dvd_ro\n", cur_profile); + cd_media = 1; + cd_media_dvd_rom = 1; + break; + case 0x11: + info(udev, "profile 0x%02x media_dvd_r\n", cur_profile); + cd_media = 1; + cd_media_dvd_r = 1; + break; + case 0x12: + info(udev, "profile 0x%02x media_dvd_ram\n", cur_profile); + cd_media = 1; + cd_media_dvd_ram = 1; + break; + case 0x13: + info(udev, "profile 0x%02x media_dvd_rw_ro\n", cur_profile); + cd_media = 1; + cd_media_dvd_rw = 1; + cd_media_dvd_rw_ro = 1; + break; + case 0x14: + info(udev, "profile 0x%02x media_dvd_rw_seq\n", cur_profile); + cd_media = 1; + cd_media_dvd_rw = 1; + cd_media_dvd_rw_seq = 1; + break; + case 0x1B: + info(udev, "profile 0x%02x media_dvd_plus_r\n", cur_profile); + cd_media = 1; + cd_media_dvd_plus_r = 1; + break; + case 0x1A: + info(udev, "profile 0x%02x media_dvd_plus_rw\n", cur_profile); + cd_media = 1; + cd_media_dvd_plus_rw = 1; + break; + case 0x2A: + info(udev, "profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile); + cd_media = 1; + cd_media_dvd_plus_rw_dl = 1; + break; + case 0x2B: + info(udev, "profile 0x%02x media_dvd_plus_r_dl\n", cur_profile); + cd_media = 1; + cd_media_dvd_plus_r_dl = 1; + break; + case 0x40: + info(udev, "profile 0x%02x media_bd\n", cur_profile); + cd_media = 1; + cd_media_bd = 1; + break; + case 0x41: + case 0x42: + info(udev, "profile 0x%02x media_bd_r\n", cur_profile); + cd_media = 1; + cd_media_bd_r = 1; + break; + case 0x43: + info(udev, "profile 0x%02x media_bd_re\n", cur_profile); + cd_media = 1; + cd_media_bd_re = 1; + break; + case 0x50: + info(udev, "profile 0x%02x media_hddvd\n", cur_profile); + cd_media = 1; + cd_media_hddvd = 1; + break; + case 0x51: + info(udev, "profile 0x%02x media_hddvd_r\n", cur_profile); + cd_media = 1; + cd_media_hddvd_r = 1; + break; + case 0x52: + info(udev, "profile 0x%02x media_hddvd_rw\n", cur_profile); + cd_media = 1; + cd_media_hddvd_rw = 1; + break; + default: + info(udev, "profile 0x%02x \n", cur_profile); + break; + } } static int feature_profiles(struct udev *udev, const unsigned char *profiles, size_t size) { - unsigned int i; - - for (i = 0; i+4 <= size; i += 4) { - int profile; - - profile = profiles[i] << 8 | profiles[i+1]; - switch (profile) { - case 0x03: - case 0x04: - case 0x05: - info(udev, "profile 0x%02x mo\n", profile); - cd_mo = 1; - break; - case 0x08: - info(udev, "profile 0x%02x cd_rom\n", profile); - cd_cd_rom = 1; - break; - case 0x09: - info(udev, "profile 0x%02x cd_r\n", profile); - cd_cd_r = 1; - break; - case 0x0A: - info(udev, "profile 0x%02x cd_rw\n", profile); - cd_cd_rw = 1; - break; - case 0x10: - info(udev, "profile 0x%02x dvd_rom\n", profile); - cd_dvd_rom = 1; - break; - case 0x12: - info(udev, "profile 0x%02x dvd_ram\n", profile); - cd_dvd_ram = 1; - break; - case 0x13: - case 0x14: - info(udev, "profile 0x%02x dvd_rw\n", profile); - cd_dvd_rw = 1; - break; - case 0x1B: - info(udev, "profile 0x%02x dvd_plus_r\n", profile); - cd_dvd_plus_r = 1; - break; - case 0x1A: - info(udev, "profile 0x%02x dvd_plus_rw\n", profile); - cd_dvd_plus_rw = 1; - break; - case 0x2A: - info(udev, "profile 0x%02x dvd_plus_rw_dl\n", profile); - cd_dvd_plus_rw_dl = 1; - break; - case 0x2B: - info(udev, "profile 0x%02x dvd_plus_r_dl\n", profile); - cd_dvd_plus_r_dl = 1; - break; - case 0x40: - cd_bd = 1; - info(udev, "profile 0x%02x bd\n", profile); - break; - case 0x41: - case 0x42: - cd_bd_r = 1; - info(udev, "profile 0x%02x bd_r\n", profile); - break; - case 0x43: - cd_bd_re = 1; - info(udev, "profile 0x%02x bd_re\n", profile); - break; - case 0x50: - cd_hddvd = 1; - info(udev, "profile 0x%02x hddvd\n", profile); - break; - case 0x51: - cd_hddvd_r = 1; - info(udev, "profile 0x%02x hddvd_r\n", profile); - break; - case 0x52: - cd_hddvd_rw = 1; - info(udev, "profile 0x%02x hddvd_rw\n", profile); - break; - default: - info(udev, "profile 0x%02x \n", profile); - break; - } - } - return 0; + unsigned int i; + + for (i = 0; i+4 <= size; i += 4) { + int profile; + + profile = profiles[i] << 8 | profiles[i+1]; + switch (profile) { + case 0x03: + case 0x04: + case 0x05: + info(udev, "profile 0x%02x mo\n", profile); + cd_mo = 1; + break; + case 0x08: + info(udev, "profile 0x%02x cd_rom\n", profile); + cd_cd_rom = 1; + break; + case 0x09: + info(udev, "profile 0x%02x cd_r\n", profile); + cd_cd_r = 1; + break; + case 0x0A: + info(udev, "profile 0x%02x cd_rw\n", profile); + cd_cd_rw = 1; + break; + case 0x10: + info(udev, "profile 0x%02x dvd_rom\n", profile); + cd_dvd_rom = 1; + break; + case 0x12: + info(udev, "profile 0x%02x dvd_ram\n", profile); + cd_dvd_ram = 1; + break; + case 0x13: + case 0x14: + info(udev, "profile 0x%02x dvd_rw\n", profile); + cd_dvd_rw = 1; + break; + case 0x1B: + info(udev, "profile 0x%02x dvd_plus_r\n", profile); + cd_dvd_plus_r = 1; + break; + case 0x1A: + info(udev, "profile 0x%02x dvd_plus_rw\n", profile); + cd_dvd_plus_rw = 1; + break; + case 0x2A: + info(udev, "profile 0x%02x dvd_plus_rw_dl\n", profile); + cd_dvd_plus_rw_dl = 1; + break; + case 0x2B: + info(udev, "profile 0x%02x dvd_plus_r_dl\n", profile); + cd_dvd_plus_r_dl = 1; + break; + case 0x40: + cd_bd = 1; + info(udev, "profile 0x%02x bd\n", profile); + break; + case 0x41: + case 0x42: + cd_bd_r = 1; + info(udev, "profile 0x%02x bd_r\n", profile); + break; + case 0x43: + cd_bd_re = 1; + info(udev, "profile 0x%02x bd_re\n", profile); + break; + case 0x50: + cd_hddvd = 1; + info(udev, "profile 0x%02x hddvd\n", profile); + break; + case 0x51: + cd_hddvd_r = 1; + info(udev, "profile 0x%02x hddvd_r\n", profile); + break; + case 0x52: + cd_hddvd_rw = 1; + info(udev, "profile 0x%02x hddvd_rw\n", profile); + break; + default: + info(udev, "profile 0x%02x \n", profile); + break; + } + } + return 0; } /* returns 0 if media was detected */ static int cd_profiles_old_mmc(struct udev *udev, int fd) { - struct scsi_cmd sc; - int err; - - unsigned char header[32]; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x51); - scsi_cmd_set(udev, &sc, 8, sizeof(header)); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ DISC INFORMATION", err); - if (cd_media == 1) { - info(udev, "no current profile, but disc is present; assuming CD-ROM\n"); - cd_media_cd_rom = 1; - return 0; - } else { - info(udev, "no current profile, assuming no media\n"); - return -1; - } - }; - - cd_media = 1; - - if (header[2] & 16) { - cd_media_cd_rw = 1; - info(udev, "profile 0x0a media_cd_rw\n"); - } else if ((header[2] & 3) < 2 && cd_cd_r) { - cd_media_cd_r = 1; - info(udev, "profile 0x09 media_cd_r\n"); - } else { - cd_media_cd_rom = 1; - info(udev, "profile 0x08 media_cd_rom\n"); - } - return 0; + struct scsi_cmd sc; + int err; + + unsigned char header[32]; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x51); + scsi_cmd_set(udev, &sc, 8, sizeof(header)); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ DISC INFORMATION", err); + if (cd_media == 1) { + info(udev, "no current profile, but disc is present; assuming CD-ROM\n"); + cd_media_cd_rom = 1; + return 0; + } else { + info(udev, "no current profile, assuming no media\n"); + return -1; + } + }; + + cd_media = 1; + + if (header[2] & 16) { + cd_media_cd_rw = 1; + info(udev, "profile 0x0a media_cd_rw\n"); + } else if ((header[2] & 3) < 2 && cd_cd_r) { + cd_media_cd_r = 1; + info(udev, "profile 0x09 media_cd_r\n"); + } else { + cd_media_cd_rom = 1; + info(udev, "profile 0x08 media_cd_rom\n"); + } + return 0; } /* returns 0 if media was detected */ static int cd_profiles(struct udev *udev, int fd) { - struct scsi_cmd sc; - unsigned char features[65530]; - unsigned int cur_profile = 0; - unsigned int len; - unsigned int i; - int err; - int ret; - - ret = -1; - - /* First query the current profile */ - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x46); - scsi_cmd_set(udev, &sc, 8, 8); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, features, 8); - if ((err != 0)) { - info_scsi_cmd_err(udev, "GET CONFIGURATION", err); - /* handle pre-MMC2 drives which do not support GET CONFIGURATION */ - if (SK(err) == 0x5 && ASC(err) == 0x20) { - info(udev, "drive is pre-MMC2 and does not support 46h get configuration command\n"); - info(udev, "trying to work around the problem\n"); - ret = cd_profiles_old_mmc(udev, fd); - } - goto out; - } - - cur_profile = features[6] << 8 | features[7]; - if (cur_profile > 0) { - info(udev, "current profile 0x%02x\n", cur_profile); - feature_profile_media (udev, cur_profile); - ret = 0; /* we have media */ - } else { - info(udev, "no current profile, assuming no media\n"); - } - - len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3]; - info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len); - - if (len > sizeof(features)) { - info(udev, "can not get features in a single query, truncating\n"); - len = sizeof(features); - } else if (len <= 8) { - len = sizeof(features); - } - - /* Now get the full feature buffer */ - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x46); - scsi_cmd_set(udev, &sc, 7, ( len >> 8 ) & 0xff); - scsi_cmd_set(udev, &sc, 8, len & 0xff); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, features, len); - if ((err != 0)) { - info_scsi_cmd_err(udev, "GET CONFIGURATION", err); - return -1; - } - - /* parse the length once more, in case the drive decided to have other features suddenly :) */ - len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3]; - info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len); - - if (len > sizeof(features)) { - info(udev, "can not get features in a single query, truncating\n"); - len = sizeof(features); - } - - /* device features */ - for (i = 8; i+4 < len; i += (4 + features[i+3])) { - unsigned int feature; - - feature = features[i] << 8 | features[i+1]; - - switch (feature) { - case 0x00: - info(udev, "GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4); - feature_profiles(udev, &features[i]+4, features[i+3]); - break; - default: - info(udev, "GET CONFIGURATION: feature 0x%04x , with 0x%02x bytes\n", feature, features[i+3]); - break; - } - } + struct scsi_cmd sc; + unsigned char features[65530]; + unsigned int cur_profile = 0; + unsigned int len; + unsigned int i; + int err; + int ret; + + ret = -1; + + /* First query the current profile */ + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x46); + scsi_cmd_set(udev, &sc, 8, 8); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, features, 8); + if ((err != 0)) { + info_scsi_cmd_err(udev, "GET CONFIGURATION", err); + /* handle pre-MMC2 drives which do not support GET CONFIGURATION */ + if (SK(err) == 0x5 && ASC(err) == 0x20) { + info(udev, "drive is pre-MMC2 and does not support 46h get configuration command\n"); + info(udev, "trying to work around the problem\n"); + ret = cd_profiles_old_mmc(udev, fd); + } + goto out; + } + + cur_profile = features[6] << 8 | features[7]; + if (cur_profile > 0) { + info(udev, "current profile 0x%02x\n", cur_profile); + feature_profile_media (udev, cur_profile); + ret = 0; /* we have media */ + } else { + info(udev, "no current profile, assuming no media\n"); + } + + len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3]; + info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len); + + if (len > sizeof(features)) { + info(udev, "can not get features in a single query, truncating\n"); + len = sizeof(features); + } else if (len <= 8) { + len = sizeof(features); + } + + /* Now get the full feature buffer */ + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x46); + scsi_cmd_set(udev, &sc, 7, ( len >> 8 ) & 0xff); + scsi_cmd_set(udev, &sc, 8, len & 0xff); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, features, len); + if ((err != 0)) { + info_scsi_cmd_err(udev, "GET CONFIGURATION", err); + return -1; + } + + /* parse the length once more, in case the drive decided to have other features suddenly :) */ + len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3]; + info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len); + + if (len > sizeof(features)) { + info(udev, "can not get features in a single query, truncating\n"); + len = sizeof(features); + } + + /* device features */ + for (i = 8; i+4 < len; i += (4 + features[i+3])) { + unsigned int feature; + + feature = features[i] << 8 | features[i+1]; + + switch (feature) { + case 0x00: + info(udev, "GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4); + feature_profiles(udev, &features[i]+4, features[i+3]); + break; + default: + info(udev, "GET CONFIGURATION: feature 0x%04x , with 0x%02x bytes\n", feature, features[i+3]); + break; + } + } out: - return ret; + return ret; } static int cd_media_info(struct udev *udev, int fd) { - struct scsi_cmd sc; - unsigned char header[32]; - static const char *media_status[] = { - "blank", - "appendable", - "complete", - "other" - }; - int err; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x51); - scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ DISC INFORMATION", err); - return -1; - }; - - cd_media = 1; - info(udev, "disk type %02x\n", header[8]); - info(udev, "hardware reported media status: %s\n", media_status[header[2] & 3]); - - /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */ - if (!cd_media_cd_rom) - cd_media_state = media_status[header[2] & 3]; - - /* fresh DVD-RW in restricted overwite mode reports itself as - * "appendable"; change it to "blank" to make it consistent with what - * gets reported after blanking, and what userspace expects */ - if (cd_media_dvd_rw_ro && (header[2] & 3) == 1) - cd_media_state = media_status[0]; - - /* DVD+RW discs (and DVD-RW in restricted mode) once formatted are - * always "complete", DVD-RAM are "other" or "complete" if the disc is - * write protected; we need to check the contents if it is blank */ - if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) { - unsigned char buffer[32 * 2048]; - unsigned char result, len; - int block, offset; - - if (cd_media_dvd_ram) { - /* a write protected dvd-ram may report "complete" status */ - - unsigned char dvdstruct[8]; - unsigned char format[12]; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0xAD); - scsi_cmd_set(udev, &sc, 7, 0xC0); - scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct)); - scsi_cmd_set(udev, &sc, 11, 0); - err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct)); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err); - return -1; - } - if (dvdstruct[4] & 0x02) { - cd_media_state = media_status[2]; - info(udev, "write-protected DVD-RAM media inserted\n"); - goto determined; - } - - /* let's make sure we don't try to read unformatted media */ - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x23); - scsi_cmd_set(udev, &sc, 8, sizeof(format)); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format)); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err); - return -1; - } - - len = format[3]; - if (len & 7 || len < 16) { - info(udev, "invalid format capacities length\n"); - return -1; - } - - switch(format[8] & 3) { - case 1: - info(udev, "unformatted DVD-RAM media inserted\n"); - /* This means that last format was interrupted - * or failed, blank dvd-ram discs are factory - * formatted. Take no action here as it takes - * quite a while to reformat a dvd-ram and it's - * not automatically started */ - goto determined; - - case 2: - info(udev, "formatted DVD-RAM media inserted\n"); - break; - - case 3: - cd_media = 0; //return no media - info(udev, "format capacities returned no media\n"); - return -1; - } - } - - /* Take a closer look at formatted media (unformatted DVD+RW - * has "blank" status", DVD-RAM was examined earlier) and check - * for ISO and UDF PVDs or a fs superblock presence and do it - * in one ioctl (we need just sectors 0 and 16) */ - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x28); - scsi_cmd_set(udev, &sc, 5, 0); - scsi_cmd_set(udev, &sc, 8, 32); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer)); - if ((err != 0)) { - cd_media = 0; - info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err); - return -1; - } - - /* if any non-zero data is found in sector 16 (iso and udf) or - * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc - * is assumed non-blank */ - result = 0; - - for (block = 32768; block >= 0 && !result; block -= 32768) { - offset = block; - while (offset < (block + 2048) && !result) { - result = buffer [offset]; - offset++; - } - } - - if (!result) { - cd_media_state = media_status[0]; - info(udev, "no data in blocks 0 or 16, assuming blank\n"); - } else { - info(udev, "data in blocks 0 or 16, assuming complete\n"); - } - } + struct scsi_cmd sc; + unsigned char header[32]; + static const char *media_status[] = { + "blank", + "appendable", + "complete", + "other" + }; + int err; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x51); + scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ DISC INFORMATION", err); + return -1; + }; + + cd_media = 1; + info(udev, "disk type %02x\n", header[8]); + info(udev, "hardware reported media status: %s\n", media_status[header[2] & 3]); + + /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */ + if (!cd_media_cd_rom) + cd_media_state = media_status[header[2] & 3]; + + /* fresh DVD-RW in restricted overwite mode reports itself as + * "appendable"; change it to "blank" to make it consistent with what + * gets reported after blanking, and what userspace expects */ + if (cd_media_dvd_rw_ro && (header[2] & 3) == 1) + cd_media_state = media_status[0]; + + /* DVD+RW discs (and DVD-RW in restricted mode) once formatted are + * always "complete", DVD-RAM are "other" or "complete" if the disc is + * write protected; we need to check the contents if it is blank */ + if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) { + unsigned char buffer[32 * 2048]; + unsigned char result, len; + int block, offset; + + if (cd_media_dvd_ram) { + /* a write protected dvd-ram may report "complete" status */ + + unsigned char dvdstruct[8]; + unsigned char format[12]; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0xAD); + scsi_cmd_set(udev, &sc, 7, 0xC0); + scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct)); + scsi_cmd_set(udev, &sc, 11, 0); + err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct)); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err); + return -1; + } + if (dvdstruct[4] & 0x02) { + cd_media_state = media_status[2]; + info(udev, "write-protected DVD-RAM media inserted\n"); + goto determined; + } + + /* let's make sure we don't try to read unformatted media */ + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x23); + scsi_cmd_set(udev, &sc, 8, sizeof(format)); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format)); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err); + return -1; + } + + len = format[3]; + if (len & 7 || len < 16) { + info(udev, "invalid format capacities length\n"); + return -1; + } + + switch(format[8] & 3) { + case 1: + info(udev, "unformatted DVD-RAM media inserted\n"); + /* This means that last format was interrupted + * or failed, blank dvd-ram discs are factory + * formatted. Take no action here as it takes + * quite a while to reformat a dvd-ram and it's + * not automatically started */ + goto determined; + + case 2: + info(udev, "formatted DVD-RAM media inserted\n"); + break; + + case 3: + cd_media = 0; //return no media + info(udev, "format capacities returned no media\n"); + return -1; + } + } + + /* Take a closer look at formatted media (unformatted DVD+RW + * has "blank" status", DVD-RAM was examined earlier) and check + * for ISO and UDF PVDs or a fs superblock presence and do it + * in one ioctl (we need just sectors 0 and 16) */ + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x28); + scsi_cmd_set(udev, &sc, 5, 0); + scsi_cmd_set(udev, &sc, 8, 32); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer)); + if ((err != 0)) { + cd_media = 0; + info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err); + return -1; + } + + /* if any non-zero data is found in sector 16 (iso and udf) or + * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc + * is assumed non-blank */ + result = 0; + + for (block = 32768; block >= 0 && !result; block -= 32768) { + offset = block; + while (offset < (block + 2048) && !result) { + result = buffer [offset]; + offset++; + } + } + + if (!result) { + cd_media_state = media_status[0]; + info(udev, "no data in blocks 0 or 16, assuming blank\n"); + } else { + info(udev, "data in blocks 0 or 16, assuming complete\n"); + } + } determined: - /* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in - * restricted overwrite mode can never append, only in sequential mode */ - if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro) - cd_media_session_next = header[10] << 8 | header[5]; - cd_media_session_count = header[9] << 8 | header[4]; - cd_media_track_count = header[11] << 8 | header[6]; - - return 0; + /* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in + * restricted overwrite mode can never append, only in sequential mode */ + if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro) + cd_media_session_next = header[10] << 8 | header[5]; + cd_media_session_count = header[9] << 8 | header[4]; + cd_media_track_count = header[11] << 8 | header[6]; + + return 0; } static int cd_media_toc(struct udev *udev, int fd) { - struct scsi_cmd sc; - unsigned char header[12]; - unsigned char toc[65536]; - unsigned int len, i, num_tracks; - unsigned char *p; - int err; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x43); - scsi_cmd_set(udev, &sc, 6, 1); - scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ TOC", err); - return -1; - } - - len = (header[0] << 8 | header[1]) + 2; - info(udev, "READ TOC: len: %d, start track: %d, end track: %d\n", len, header[2], header[3]); - if (len > sizeof(toc)) - return -1; - if (len < 2) - return -1; - /* 2: first track, 3: last track */ - num_tracks = header[3] - header[2] + 1; - - /* empty media has no tracks */ - if (len < 8) - return 0; - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x43); - scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */ - scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff); - scsi_cmd_set(udev, &sc, 8, len & 0xff); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, toc, len); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ TOC (tracks)", err); - return -1; - } - - /* Take care to not iterate beyond the last valid track as specified in - * the TOC, but also avoid going beyond the TOC length, just in case - * the last track number is invalidly large */ - for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) { - unsigned int block; - unsigned int is_data_track; - - is_data_track = (p[1] & 0x04) != 0; - - block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7]; - info(udev, "track=%u info=0x%x(%s) start_block=%u\n", - p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block); - - if (is_data_track) - cd_media_track_count_data++; - else - cd_media_track_count_audio++; - } - - scsi_cmd_init(udev, &sc); - scsi_cmd_set(udev, &sc, 0, 0x43); - scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */ - scsi_cmd_set(udev, &sc, 8, sizeof(header)); - scsi_cmd_set(udev, &sc, 9, 0); - err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); - if ((err != 0)) { - info_scsi_cmd_err(udev, "READ TOC (multi session)", err); - return -1; - } - len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7]; - info(udev, "last track %u starts at block %u\n", header[4+2], len); - cd_media_session_last_offset = (unsigned long long int)len * 2048; - return 0; + struct scsi_cmd sc; + unsigned char header[12]; + unsigned char toc[65536]; + unsigned int len, i, num_tracks; + unsigned char *p; + int err; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x43); + scsi_cmd_set(udev, &sc, 6, 1); + scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ TOC", err); + return -1; + } + + len = (header[0] << 8 | header[1]) + 2; + info(udev, "READ TOC: len: %d, start track: %d, end track: %d\n", len, header[2], header[3]); + if (len > sizeof(toc)) + return -1; + if (len < 2) + return -1; + /* 2: first track, 3: last track */ + num_tracks = header[3] - header[2] + 1; + + /* empty media has no tracks */ + if (len < 8) + return 0; + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x43); + scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */ + scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff); + scsi_cmd_set(udev, &sc, 8, len & 0xff); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, toc, len); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ TOC (tracks)", err); + return -1; + } + + /* Take care to not iterate beyond the last valid track as specified in + * the TOC, but also avoid going beyond the TOC length, just in case + * the last track number is invalidly large */ + for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) { + unsigned int block; + unsigned int is_data_track; + + is_data_track = (p[1] & 0x04) != 0; + + block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7]; + info(udev, "track=%u info=0x%x(%s) start_block=%u\n", + p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block); + + if (is_data_track) + cd_media_track_count_data++; + else + cd_media_track_count_audio++; + } + + scsi_cmd_init(udev, &sc); + scsi_cmd_set(udev, &sc, 0, 0x43); + scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */ + scsi_cmd_set(udev, &sc, 8, sizeof(header)); + scsi_cmd_set(udev, &sc, 9, 0); + err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header)); + if ((err != 0)) { + info_scsi_cmd_err(udev, "READ TOC (multi session)", err); + return -1; + } + len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7]; + info(udev, "last track %u starts at block %u\n", header[4+2], len); + cd_media_session_last_offset = (unsigned long long int)len * 2048; + return 0; } int main(int argc, char *argv[]) { - struct udev *udev; - static const struct option options[] = { - { "lock-media", no_argument, NULL, 'l' }, - { "unlock-media", no_argument, NULL, 'u' }, - { "eject-media", no_argument, NULL, 'e' }, - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - bool eject = false; - bool lock = false; - bool unlock = false; - const char *node = NULL; - int fd = -1; - int cnt; - int rc = 0; - - udev = udev_new(); - if (udev == NULL) - goto exit; - - udev_log_init("cdrom_id"); - udev_set_log_fn(udev, log_fn); - - while (1) { - int option; - - option = getopt_long(argc, argv, "deluh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'l': - lock = true; - break; - case 'u': - unlock = true; - break; - case 'e': - eject = true; - break; - case 'd': - debug = true; - if (udev_get_log_priority(udev) < LOG_INFO) - udev_set_log_priority(udev, LOG_INFO); - break; - case 'h': - printf("Usage: cdrom_id [options] \n" - " --lock-media lock the media (to enable eject request events)\n" - " --unlock-media unlock the media\n" - " --eject-media eject the media\n" - " --debug debug to stderr\n" - " --help print this help text\n\n"); - goto exit; - default: - rc = 1; - goto exit; - } - } - - node = argv[optind]; - if (!node) { - err(udev, "no device\n"); - fprintf(stderr, "no device\n"); - rc = 1; - goto exit; - } - - srand((unsigned int)getpid()); - for (cnt = 20; cnt > 0; cnt--) { - struct timespec duration; - - fd = open(node, O_RDONLY|O_NONBLOCK|(is_mounted(node) ? 0 : O_EXCL)); - if (fd >= 0 || errno != EBUSY) - break; - duration.tv_sec = 0; - duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000); - nanosleep(&duration, NULL); - } - if (fd < 0) { - info(udev, "unable to open '%s'\n", node); - fprintf(stderr, "unable to open '%s'\n", node); - rc = 1; - goto exit; - } - info(udev, "probing: '%s'\n", node); - - /* same data as original cdrom_id */ - if (cd_capability_compat(udev, fd) < 0) { - rc = 1; - goto exit; - } - - /* check for media - don't bail if there's no media as we still need to + struct udev *udev; + static const struct option options[] = { + { "lock-media", no_argument, NULL, 'l' }, + { "unlock-media", no_argument, NULL, 'u' }, + { "eject-media", no_argument, NULL, 'e' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + bool eject = false; + bool lock = false; + bool unlock = false; + const char *node = NULL; + int fd = -1; + int cnt; + int rc = 0; + + udev = udev_new(); + if (udev == NULL) + goto exit; + + udev_log_init("cdrom_id"); + udev_set_log_fn(udev, log_fn); + + while (1) { + int option; + + option = getopt_long(argc, argv, "deluh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'l': + lock = true; + break; + case 'u': + unlock = true; + break; + case 'e': + eject = true; + break; + case 'd': + debug = true; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'h': + printf("Usage: cdrom_id [options] \n" + " --lock-media lock the media (to enable eject request events)\n" + " --unlock-media unlock the media\n" + " --eject-media eject the media\n" + " --debug debug to stderr\n" + " --help print this help text\n\n"); + goto exit; + default: + rc = 1; + goto exit; + } + } + + node = argv[optind]; + if (!node) { + err(udev, "no device\n"); + fprintf(stderr, "no device\n"); + rc = 1; + goto exit; + } + + srand((unsigned int)getpid()); + for (cnt = 20; cnt > 0; cnt--) { + struct timespec duration; + + fd = open(node, O_RDONLY|O_NONBLOCK|(is_mounted(node) ? 0 : O_EXCL)); + if (fd >= 0 || errno != EBUSY) + break; + duration.tv_sec = 0; + duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000); + nanosleep(&duration, NULL); + } + if (fd < 0) { + info(udev, "unable to open '%s'\n", node); + fprintf(stderr, "unable to open '%s'\n", node); + rc = 1; + goto exit; + } + info(udev, "probing: '%s'\n", node); + + /* same data as original cdrom_id */ + if (cd_capability_compat(udev, fd) < 0) { + rc = 1; + goto exit; + } + + /* check for media - don't bail if there's no media as we still need to * to read profiles */ - cd_media_compat(udev, fd); + cd_media_compat(udev, fd); - /* check if drive talks MMC */ - if (cd_inquiry(udev, fd) < 0) - goto work; + /* check if drive talks MMC */ + if (cd_inquiry(udev, fd) < 0) + goto work; - /* read drive and possibly current profile */ - if (cd_profiles(udev, fd) != 0) - goto work; + /* read drive and possibly current profile */ + if (cd_profiles(udev, fd) != 0) + goto work; - /* at this point we are guaranteed to have media in the drive - find out more about it */ + /* at this point we are guaranteed to have media in the drive - find out more about it */ - /* get session/track info */ - cd_media_toc(udev, fd); + /* get session/track info */ + cd_media_toc(udev, fd); - /* get writable media state */ - cd_media_info(udev, fd); + /* get writable media state */ + cd_media_info(udev, fd); work: - /* lock the media, so we enable eject button events */ - if (lock && cd_media) { - info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (lock)\n"); - media_lock(udev, fd, true); - } - - if (unlock && cd_media) { - info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n"); - media_lock(udev, fd, false); - } - - if (eject) { - info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n"); - media_lock(udev, fd, false); - info(udev, "START_STOP_UNIT (eject)\n"); - media_eject(udev, fd); - } - - printf("ID_CDROM=1\n"); - if (cd_cd_rom) - printf("ID_CDROM_CD=1\n"); - if (cd_cd_r) - printf("ID_CDROM_CD_R=1\n"); - if (cd_cd_rw) - printf("ID_CDROM_CD_RW=1\n"); - if (cd_dvd_rom) - printf("ID_CDROM_DVD=1\n"); - if (cd_dvd_r) - printf("ID_CDROM_DVD_R=1\n"); - if (cd_dvd_rw) - printf("ID_CDROM_DVD_RW=1\n"); - if (cd_dvd_ram) - printf("ID_CDROM_DVD_RAM=1\n"); - if (cd_dvd_plus_r) - printf("ID_CDROM_DVD_PLUS_R=1\n"); - if (cd_dvd_plus_rw) - printf("ID_CDROM_DVD_PLUS_RW=1\n"); - if (cd_dvd_plus_r_dl) - printf("ID_CDROM_DVD_PLUS_R_DL=1\n"); - if (cd_dvd_plus_rw_dl) - printf("ID_CDROM_DVD_PLUS_RW_DL=1\n"); - if (cd_bd) - printf("ID_CDROM_BD=1\n"); - if (cd_bd_r) - printf("ID_CDROM_BD_R=1\n"); - if (cd_bd_re) - printf("ID_CDROM_BD_RE=1\n"); - if (cd_hddvd) - printf("ID_CDROM_HDDVD=1\n"); - if (cd_hddvd_r) - printf("ID_CDROM_HDDVD_R=1\n"); - if (cd_hddvd_rw) - printf("ID_CDROM_HDDVD_RW=1\n"); - if (cd_mo) - printf("ID_CDROM_MO=1\n"); - if (cd_mrw) - printf("ID_CDROM_MRW=1\n"); - if (cd_mrw_w) - printf("ID_CDROM_MRW_W=1\n"); - - if (cd_media) - printf("ID_CDROM_MEDIA=1\n"); - if (cd_media_mo) - printf("ID_CDROM_MEDIA_MO=1\n"); - if (cd_media_mrw) - printf("ID_CDROM_MEDIA_MRW=1\n"); - if (cd_media_mrw_w) - printf("ID_CDROM_MEDIA_MRW_W=1\n"); - if (cd_media_cd_rom) - printf("ID_CDROM_MEDIA_CD=1\n"); - if (cd_media_cd_r) - printf("ID_CDROM_MEDIA_CD_R=1\n"); - if (cd_media_cd_rw) - printf("ID_CDROM_MEDIA_CD_RW=1\n"); - if (cd_media_dvd_rom) - printf("ID_CDROM_MEDIA_DVD=1\n"); - if (cd_media_dvd_r) - printf("ID_CDROM_MEDIA_DVD_R=1\n"); - if (cd_media_dvd_ram) - printf("ID_CDROM_MEDIA_DVD_RAM=1\n"); - if (cd_media_dvd_rw) - printf("ID_CDROM_MEDIA_DVD_RW=1\n"); - if (cd_media_dvd_plus_r) - printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n"); - if (cd_media_dvd_plus_rw) - printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n"); - if (cd_media_dvd_plus_rw_dl) - printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n"); - if (cd_media_dvd_plus_r_dl) - printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n"); - if (cd_media_bd) - printf("ID_CDROM_MEDIA_BD=1\n"); - if (cd_media_bd_r) - printf("ID_CDROM_MEDIA_BD_R=1\n"); - if (cd_media_bd_re) - printf("ID_CDROM_MEDIA_BD_RE=1\n"); - if (cd_media_hddvd) - printf("ID_CDROM_MEDIA_HDDVD=1\n"); - if (cd_media_hddvd_r) - printf("ID_CDROM_MEDIA_HDDVD_R=1\n"); - if (cd_media_hddvd_rw) - printf("ID_CDROM_MEDIA_HDDVD_RW=1\n"); - - if (cd_media_state != NULL) - printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state); - if (cd_media_session_next > 0) - printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next); - if (cd_media_session_count > 0) - printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count); - if (cd_media_session_count > 1 && cd_media_session_last_offset > 0) - printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset); - if (cd_media_track_count > 0) - printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count); - if (cd_media_track_count_audio > 0) - printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio); - if (cd_media_track_count_data > 0) - printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data); + /* lock the media, so we enable eject button events */ + if (lock && cd_media) { + info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (lock)\n"); + media_lock(udev, fd, true); + } + + if (unlock && cd_media) { + info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n"); + media_lock(udev, fd, false); + } + + if (eject) { + info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n"); + media_lock(udev, fd, false); + info(udev, "START_STOP_UNIT (eject)\n"); + media_eject(udev, fd); + } + + printf("ID_CDROM=1\n"); + if (cd_cd_rom) + printf("ID_CDROM_CD=1\n"); + if (cd_cd_r) + printf("ID_CDROM_CD_R=1\n"); + if (cd_cd_rw) + printf("ID_CDROM_CD_RW=1\n"); + if (cd_dvd_rom) + printf("ID_CDROM_DVD=1\n"); + if (cd_dvd_r) + printf("ID_CDROM_DVD_R=1\n"); + if (cd_dvd_rw) + printf("ID_CDROM_DVD_RW=1\n"); + if (cd_dvd_ram) + printf("ID_CDROM_DVD_RAM=1\n"); + if (cd_dvd_plus_r) + printf("ID_CDROM_DVD_PLUS_R=1\n"); + if (cd_dvd_plus_rw) + printf("ID_CDROM_DVD_PLUS_RW=1\n"); + if (cd_dvd_plus_r_dl) + printf("ID_CDROM_DVD_PLUS_R_DL=1\n"); + if (cd_dvd_plus_rw_dl) + printf("ID_CDROM_DVD_PLUS_RW_DL=1\n"); + if (cd_bd) + printf("ID_CDROM_BD=1\n"); + if (cd_bd_r) + printf("ID_CDROM_BD_R=1\n"); + if (cd_bd_re) + printf("ID_CDROM_BD_RE=1\n"); + if (cd_hddvd) + printf("ID_CDROM_HDDVD=1\n"); + if (cd_hddvd_r) + printf("ID_CDROM_HDDVD_R=1\n"); + if (cd_hddvd_rw) + printf("ID_CDROM_HDDVD_RW=1\n"); + if (cd_mo) + printf("ID_CDROM_MO=1\n"); + if (cd_mrw) + printf("ID_CDROM_MRW=1\n"); + if (cd_mrw_w) + printf("ID_CDROM_MRW_W=1\n"); + + if (cd_media) + printf("ID_CDROM_MEDIA=1\n"); + if (cd_media_mo) + printf("ID_CDROM_MEDIA_MO=1\n"); + if (cd_media_mrw) + printf("ID_CDROM_MEDIA_MRW=1\n"); + if (cd_media_mrw_w) + printf("ID_CDROM_MEDIA_MRW_W=1\n"); + if (cd_media_cd_rom) + printf("ID_CDROM_MEDIA_CD=1\n"); + if (cd_media_cd_r) + printf("ID_CDROM_MEDIA_CD_R=1\n"); + if (cd_media_cd_rw) + printf("ID_CDROM_MEDIA_CD_RW=1\n"); + if (cd_media_dvd_rom) + printf("ID_CDROM_MEDIA_DVD=1\n"); + if (cd_media_dvd_r) + printf("ID_CDROM_MEDIA_DVD_R=1\n"); + if (cd_media_dvd_ram) + printf("ID_CDROM_MEDIA_DVD_RAM=1\n"); + if (cd_media_dvd_rw) + printf("ID_CDROM_MEDIA_DVD_RW=1\n"); + if (cd_media_dvd_plus_r) + printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n"); + if (cd_media_dvd_plus_rw) + printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n"); + if (cd_media_dvd_plus_rw_dl) + printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n"); + if (cd_media_dvd_plus_r_dl) + printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n"); + if (cd_media_bd) + printf("ID_CDROM_MEDIA_BD=1\n"); + if (cd_media_bd_r) + printf("ID_CDROM_MEDIA_BD_R=1\n"); + if (cd_media_bd_re) + printf("ID_CDROM_MEDIA_BD_RE=1\n"); + if (cd_media_hddvd) + printf("ID_CDROM_MEDIA_HDDVD=1\n"); + if (cd_media_hddvd_r) + printf("ID_CDROM_MEDIA_HDDVD_R=1\n"); + if (cd_media_hddvd_rw) + printf("ID_CDROM_MEDIA_HDDVD_RW=1\n"); + + if (cd_media_state != NULL) + printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state); + if (cd_media_session_next > 0) + printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next); + if (cd_media_session_count > 0) + printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count); + if (cd_media_session_count > 1 && cd_media_session_last_offset > 0) + printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset); + if (cd_media_track_count > 0) + printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count); + if (cd_media_track_count_audio > 0) + printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio); + if (cd_media_track_count_data > 0) + printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data); exit: - if (fd >= 0) - close(fd); - udev_unref(udev); - udev_log_close(); - return rc; + if (fd >= 0) + close(fd); + udev_unref(udev); + udev_log_close(); + return rc; } diff --git a/src/extras/collect/collect.c b/src/extras/collect/collect.c index f78f3b778..076fe479e 100644 --- a/src/extras/collect/collect.c +++ b/src/extras/collect/collect.c @@ -34,19 +34,19 @@ #include "libudev.h" #include "libudev-private.h" -#define BUFSIZE 16 -#define UDEV_ALARM_TIMEOUT 180 +#define BUFSIZE 16 +#define UDEV_ALARM_TIMEOUT 180 enum collect_state { - STATE_NONE, - STATE_OLD, - STATE_CONFIRMED, + STATE_NONE, + STATE_OLD, + STATE_CONFIRMED, }; struct _mate { - struct udev_list_node node; - char *name; - enum collect_state state; + struct udev_list_node node; + char *name; + enum collect_state state; }; static struct udev_list_node bunch; @@ -57,29 +57,29 @@ static size_t bufsize = BUFSIZE; static struct _mate *node_to_mate(struct udev_list_node *node) { - char *mate; + char *mate; - mate = (char *)node; - mate -= offsetof(struct _mate, node); - return (struct _mate *)mate; + mate = (char *)node; + mate -= offsetof(struct _mate, node); + return (struct _mate *)mate; } static void sig_alrm(int signo) { - exit(4); + exit(4); } static void usage(void) { - printf("usage: collect [--add|--remove] [--debug] \n" - "\n" - " Adds ID to the list governed by .\n" - " must be part of the list .\n" - " If all IDs given by are listed (ie collect has been\n" - " invoked for each ID in ) collect returns 0, the\n" - " number of missing IDs otherwise.\n" - " On error a negative number is returned.\n" - "\n"); + printf("usage: collect [--add|--remove] [--debug] \n" + "\n" + " Adds ID to the list governed by .\n" + " must be part of the list .\n" + " If all IDs given by are listed (ie collect has been\n" + " invoked for each ID in ) collect returns 0, the\n" + " number of missing IDs otherwise.\n" + " On error a negative number is returned.\n" + "\n"); } /* @@ -89,34 +89,34 @@ static void usage(void) */ static int prepare(char *dir, char *filename) { - struct stat statbuf; - char buf[512]; - int fd; - - if (stat(dir, &statbuf) < 0) - mkdir(dir, 0700); - - sprintf(buf, "%s/%s", dir, filename); - - fd = open(buf,O_RDWR|O_CREAT, S_IRUSR|S_IWUSR); - if (fd < 0) - fprintf(stderr, "Cannot open %s: %s\n", buf, strerror(errno)); - - if (lockf(fd,F_TLOCK,0) < 0) { - if (debug) - fprintf(stderr, "Lock taken, wait for %d seconds\n", UDEV_ALARM_TIMEOUT); - if (errno == EAGAIN || errno == EACCES) { - alarm(UDEV_ALARM_TIMEOUT); - lockf(fd, F_LOCK, 0); - if (debug) - fprintf(stderr, "Acquired lock on %s\n", buf); - } else { - if (debug) - fprintf(stderr, "Could not get lock on %s: %s\n", buf, strerror(errno)); - } - } - - return fd; + struct stat statbuf; + char buf[512]; + int fd; + + if (stat(dir, &statbuf) < 0) + mkdir(dir, 0700); + + sprintf(buf, "%s/%s", dir, filename); + + fd = open(buf,O_RDWR|O_CREAT, S_IRUSR|S_IWUSR); + if (fd < 0) + fprintf(stderr, "Cannot open %s: %s\n", buf, strerror(errno)); + + if (lockf(fd,F_TLOCK,0) < 0) { + if (debug) + fprintf(stderr, "Lock taken, wait for %d seconds\n", UDEV_ALARM_TIMEOUT); + if (errno == EAGAIN || errno == EACCES) { + alarm(UDEV_ALARM_TIMEOUT); + lockf(fd, F_LOCK, 0); + if (debug) + fprintf(stderr, "Acquired lock on %s\n", buf); + } else { + if (debug) + fprintf(stderr, "Could not get lock on %s: %s\n", buf, strerror(errno)); + } + } + + return fd; } /* @@ -136,58 +136,58 @@ static int prepare(char *dir, char *filename) */ static int checkout(int fd) { - int len; - char *buf, *ptr, *word = NULL; - struct _mate *him; + int len; + char *buf, *ptr, *word = NULL; + struct _mate *him; restart: - len = bufsize >> 1; - buf = calloc(1,bufsize + 1); - if (!buf) { - fprintf(stderr, "Out of memory\n"); - return -1; - } - memset(buf, ' ', bufsize); - ptr = buf + len; - while ((read(fd, buf + len, len)) > 0) { - while (ptr && *ptr) { - word = ptr; - ptr = strpbrk(word," \n\t\r"); - if (!ptr && word < (buf + len)) { - bufsize = bufsize << 1; - if (debug) - fprintf(stderr, "ID overflow, restarting with size %zi\n", bufsize); - free(buf); - lseek(fd, 0, SEEK_SET); - goto restart; - } - if (ptr) { - *ptr = '\0'; - ptr++; - if (!strlen(word)) - continue; - - if (debug) - fprintf(stderr, "Found word %s\n", word); - him = malloc(sizeof (struct _mate)); - him->name = strdup(word); - him->state = STATE_OLD; - udev_list_node_append(&him->node, &bunch); - word = NULL; - } - } - memcpy(buf, buf + len, len); - memset(buf + len, ' ', len); - - if (!ptr) - ptr = word; - if (!ptr) - break; - ptr -= len; - } - - free(buf); - return 0; + len = bufsize >> 1; + buf = calloc(1,bufsize + 1); + if (!buf) { + fprintf(stderr, "Out of memory\n"); + return -1; + } + memset(buf, ' ', bufsize); + ptr = buf + len; + while ((read(fd, buf + len, len)) > 0) { + while (ptr && *ptr) { + word = ptr; + ptr = strpbrk(word," \n\t\r"); + if (!ptr && word < (buf + len)) { + bufsize = bufsize << 1; + if (debug) + fprintf(stderr, "ID overflow, restarting with size %zi\n", bufsize); + free(buf); + lseek(fd, 0, SEEK_SET); + goto restart; + } + if (ptr) { + *ptr = '\0'; + ptr++; + if (!strlen(word)) + continue; + + if (debug) + fprintf(stderr, "Found word %s\n", word); + him = malloc(sizeof (struct _mate)); + him->name = strdup(word); + him->state = STATE_OLD; + udev_list_node_append(&him->node, &bunch); + word = NULL; + } + } + memcpy(buf, buf + len, len); + memset(buf + len, ' ', len); + + if (!ptr) + ptr = word; + if (!ptr) + break; + ptr -= len; + } + + free(buf); + return 0; } /* @@ -198,22 +198,22 @@ static int checkout(int fd) */ static void invite(char *us) { - struct udev_list_node *him_node; - struct _mate *who = NULL; + struct udev_list_node *him_node; + struct _mate *who = NULL; - if (debug) - fprintf(stderr, "Adding ID '%s'\n", us); + if (debug) + fprintf(stderr, "Adding ID '%s'\n", us); - udev_list_node_foreach(him_node, &bunch) { - struct _mate *him = node_to_mate(him_node); + udev_list_node_foreach(him_node, &bunch) { + struct _mate *him = node_to_mate(him_node); - if (!strcmp(him->name, us)) { - him->state = STATE_CONFIRMED; - who = him; - } - } - if (debug && !who) - fprintf(stderr, "ID '%s' not in database\n", us); + if (!strcmp(him->name, us)) { + him->state = STATE_CONFIRMED; + who = him; + } + } + if (debug && !who) + fprintf(stderr, "ID '%s' not in database\n", us); } @@ -226,22 +226,22 @@ static void invite(char *us) */ static void reject(char *us) { - struct udev_list_node *him_node; - struct _mate *who = NULL; - - if (debug) - fprintf(stderr, "Removing ID '%s'\n", us); - - udev_list_node_foreach(him_node, &bunch) { - struct _mate *him = node_to_mate(him_node); - - if (!strcmp(him->name, us)) { - him->state = STATE_NONE; - who = him; - } - } - if (debug && !who) - fprintf(stderr, "ID '%s' not in database\n", us); + struct udev_list_node *him_node; + struct _mate *who = NULL; + + if (debug) + fprintf(stderr, "Removing ID '%s'\n", us); + + udev_list_node_foreach(him_node, &bunch) { + struct _mate *him = node_to_mate(him_node); + + if (!strcmp(him->name, us)) { + him->state = STATE_NONE; + who = him; + } + } + if (debug && !who) + fprintf(stderr, "ID '%s' not in database\n", us); } /* @@ -252,18 +252,18 @@ static void reject(char *us) */ static void kickout(void) { - struct udev_list_node *him_node; - struct udev_list_node *tmp; - - udev_list_node_foreach_safe(him_node, tmp, &bunch) { - struct _mate *him = node_to_mate(him_node); - - if (him->state == STATE_OLD) { - udev_list_node_remove(&him->node); - free(him->name); - free(him); - } - } + struct udev_list_node *him_node; + struct udev_list_node *tmp; + + udev_list_node_foreach_safe(him_node, tmp, &bunch) { + struct _mate *him = node_to_mate(him_node); + + if (him->state == STATE_OLD) { + udev_list_node_remove(&him->node); + free(him->name); + free(him); + } + } } /* @@ -273,38 +273,38 @@ static void kickout(void) */ static int missing(int fd) { - char *buf; - int ret = 0; - struct udev_list_node *him_node; - - buf = malloc(bufsize); - if (!buf) - return -1; - - udev_list_node_foreach(him_node, &bunch) { - struct _mate *him = node_to_mate(him_node); - - if (him->state == STATE_NONE) { - ret++; - } else { - while (strlen(him->name)+1 >= bufsize) { - char *tmpbuf; - - bufsize = bufsize << 1; - tmpbuf = realloc(buf, bufsize); - if (!tmpbuf) { - free(buf); - return -1; - } - buf = tmpbuf; - } - snprintf(buf, strlen(him->name)+2, "%s ", him->name); - write(fd, buf, strlen(buf)); - } - } - - free(buf); - return ret; + char *buf; + int ret = 0; + struct udev_list_node *him_node; + + buf = malloc(bufsize); + if (!buf) + return -1; + + udev_list_node_foreach(him_node, &bunch) { + struct _mate *him = node_to_mate(him_node); + + if (him->state == STATE_NONE) { + ret++; + } else { + while (strlen(him->name)+1 >= bufsize) { + char *tmpbuf; + + bufsize = bufsize << 1; + tmpbuf = realloc(buf, bufsize); + if (!tmpbuf) { + free(buf); + return -1; + } + buf = tmpbuf; + } + snprintf(buf, strlen(him->name)+2, "%s ", him->name); + write(fd, buf, strlen(buf)); + } + } + + free(buf); + return ret; } /* @@ -314,160 +314,160 @@ static int missing(int fd) */ static void everybody(void) { - struct udev_list_node *him_node; - const char *state = ""; - - udev_list_node_foreach(him_node, &bunch) { - struct _mate *him = node_to_mate(him_node); - - switch (him->state) { - case STATE_NONE: - state = "none"; - break; - case STATE_OLD: - state = "old"; - break; - case STATE_CONFIRMED: - state = "confirmed"; - break; - } - fprintf(stderr, "ID: %s=%s\n", him->name, state); - } + struct udev_list_node *him_node; + const char *state = ""; + + udev_list_node_foreach(him_node, &bunch) { + struct _mate *him = node_to_mate(him_node); + + switch (him->state) { + case STATE_NONE: + state = "none"; + break; + case STATE_OLD: + state = "old"; + break; + case STATE_CONFIRMED: + state = "confirmed"; + break; + } + fprintf(stderr, "ID: %s=%s\n", him->name, state); + } } int main(int argc, char **argv) { - struct udev *udev; - static const struct option options[] = { - { "add", no_argument, NULL, 'a' }, - { "remove", no_argument, NULL, 'r' }, - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - int argi; - char *checkpoint, *us; - int fd; - int i; - int ret = EXIT_SUCCESS; - int prune = 0; - char tmpdir[UTIL_PATH_SIZE]; - - udev = udev_new(); - if (udev == NULL) { - ret = EXIT_FAILURE; - goto exit; - } - - while (1) { - int option; - - option = getopt_long(argc, argv, "ardh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'a': - prune = 0; - break; - case 'r': - prune = 1; - break; - case 'd': - debug = 1; - break; - case 'h': - usage(); - goto exit; - default: - ret = 1; - goto exit; - } - } - - argi = optind; - if (argi + 2 > argc) { - printf("Missing parameter(s)\n"); - ret = 1; - goto exit; - } - checkpoint = argv[argi++]; - us = argv[argi++]; - - if (signal(SIGALRM, sig_alrm) == SIG_ERR) { - fprintf(stderr, "Cannot set SIGALRM: %s\n", strerror(errno)); - ret = 2; - goto exit; - } - - udev_list_node_init(&bunch); - - if (debug) - fprintf(stderr, "Using checkpoint '%s'\n", checkpoint); - - util_strscpyl(tmpdir, sizeof(tmpdir), udev_get_run_path(udev), "/collect", NULL); - fd = prepare(tmpdir, checkpoint); - if (fd < 0) { - ret = 3; - goto out; - } - - if (checkout(fd) < 0) { - ret = 2; - goto out; - } - - for (i = argi; i < argc; i++) { - struct udev_list_node *him_node; - struct _mate *who; - - who = NULL; - udev_list_node_foreach(him_node, &bunch) { - struct _mate *him = node_to_mate(him_node); - - if (!strcmp(him->name, argv[i])) - who = him; - } - if (!who) { - struct _mate *him; - - if (debug) - fprintf(stderr, "ID %s: not in database\n", argv[i]); - him = malloc(sizeof (struct _mate)); - him->name = malloc(strlen(argv[i]) + 1); - strcpy(him->name, argv[i]); - him->state = STATE_NONE; - udev_list_node_append(&him->node, &bunch); - } else { - if (debug) - fprintf(stderr, "ID %s: found in database\n", argv[i]); - who->state = STATE_CONFIRMED; - } - } - - if (prune) - reject(us); - else - invite(us); - - if (debug) { - everybody(); - fprintf(stderr, "Prune lists\n"); - } - kickout(); - - lseek(fd, 0, SEEK_SET); - ftruncate(fd, 0); - ret = missing(fd); - - lockf(fd, F_ULOCK, 0); - close(fd); + struct udev *udev; + static const struct option options[] = { + { "add", no_argument, NULL, 'a' }, + { "remove", no_argument, NULL, 'r' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + int argi; + char *checkpoint, *us; + int fd; + int i; + int ret = EXIT_SUCCESS; + int prune = 0; + char tmpdir[UTIL_PATH_SIZE]; + + udev = udev_new(); + if (udev == NULL) { + ret = EXIT_FAILURE; + goto exit; + } + + while (1) { + int option; + + option = getopt_long(argc, argv, "ardh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'a': + prune = 0; + break; + case 'r': + prune = 1; + break; + case 'd': + debug = 1; + break; + case 'h': + usage(); + goto exit; + default: + ret = 1; + goto exit; + } + } + + argi = optind; + if (argi + 2 > argc) { + printf("Missing parameter(s)\n"); + ret = 1; + goto exit; + } + checkpoint = argv[argi++]; + us = argv[argi++]; + + if (signal(SIGALRM, sig_alrm) == SIG_ERR) { + fprintf(stderr, "Cannot set SIGALRM: %s\n", strerror(errno)); + ret = 2; + goto exit; + } + + udev_list_node_init(&bunch); + + if (debug) + fprintf(stderr, "Using checkpoint '%s'\n", checkpoint); + + util_strscpyl(tmpdir, sizeof(tmpdir), udev_get_run_path(udev), "/collect", NULL); + fd = prepare(tmpdir, checkpoint); + if (fd < 0) { + ret = 3; + goto out; + } + + if (checkout(fd) < 0) { + ret = 2; + goto out; + } + + for (i = argi; i < argc; i++) { + struct udev_list_node *him_node; + struct _mate *who; + + who = NULL; + udev_list_node_foreach(him_node, &bunch) { + struct _mate *him = node_to_mate(him_node); + + if (!strcmp(him->name, argv[i])) + who = him; + } + if (!who) { + struct _mate *him; + + if (debug) + fprintf(stderr, "ID %s: not in database\n", argv[i]); + him = malloc(sizeof (struct _mate)); + him->name = malloc(strlen(argv[i]) + 1); + strcpy(him->name, argv[i]); + him->state = STATE_NONE; + udev_list_node_append(&him->node, &bunch); + } else { + if (debug) + fprintf(stderr, "ID %s: found in database\n", argv[i]); + who->state = STATE_CONFIRMED; + } + } + + if (prune) + reject(us); + else + invite(us); + + if (debug) { + everybody(); + fprintf(stderr, "Prune lists\n"); + } + kickout(); + + lseek(fd, 0, SEEK_SET); + ftruncate(fd, 0); + ret = missing(fd); + + lockf(fd, F_ULOCK, 0); + close(fd); out: - if (debug) - everybody(); - if (ret >= 0) - printf("COLLECT_%s=%d\n", checkpoint, ret); + if (debug) + everybody(); + if (ret >= 0) + printf("COLLECT_%s=%d\n", checkpoint, ret); exit: - udev_unref(udev); - return ret; + udev_unref(udev); + return ret; } diff --git a/src/extras/edd_id/edd_id.c b/src/extras/edd_id/edd_id.c index ac4da0761..471ea6053 100644 --- a/src/extras/edd_id/edd_id.c +++ b/src/extras/edd_id/edd_id.c @@ -36,161 +36,161 @@ #include "libudev-private.h" static void log_fn(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - vsyslog(priority, format, args); + vsyslog(priority, format, args); } int main(int argc, char *argv[]) { - struct udev *udev; - const char *node = NULL; - int i; - int export = 0; - uint32_t disk_id; - uint16_t mbr_valid; - struct dirent *dent; - int disk_fd; - int sysfs_fd; - DIR *dir = NULL; - int rc = 1; - char filename[UTIL_PATH_SIZE]; - char match[UTIL_PATH_SIZE]; - - udev = udev_new(); - if (udev == NULL) - goto exit; - - udev_log_init("edd_id"); - udev_set_log_fn(udev, log_fn); - - for (i = 1 ; i < argc; i++) { - char *arg = argv[i]; - - if (strcmp(arg, "--export") == 0) { - export = 1; - } else - node = arg; - } - if (node == NULL) { - err(udev, "no node specified\n"); - fprintf(stderr, "no node specified\n"); - goto exit; - } - - /* check for kernel support */ - util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/firmware/edd", NULL); - dir = opendir(filename); - if (dir == NULL) { - info(udev, "no kernel EDD support\n"); - fprintf(stderr, "no kernel EDD support\n"); - rc = 2; - goto exit; - } - - disk_fd = open(node, O_RDONLY); - if (disk_fd < 0) { - info(udev, "unable to open '%s'\n", node); - fprintf(stderr, "unable to open '%s'\n", node); - rc = 3; - goto closedir; - } - - /* check for valid MBR signature */ - if (lseek(disk_fd, 510, SEEK_SET) < 0) { - info(udev, "seek to MBR validity failed '%s'\n", node); - rc = 4; - goto close; - } - if (read(disk_fd, &mbr_valid, sizeof(mbr_valid)) != sizeof(mbr_valid)) { - info(udev, "read MBR validity failed '%s'\n", node); - rc = 5; - goto close; - } - if (mbr_valid != 0xAA55) { - fprintf(stderr, "no valid MBR signature '%s'\n", node); - info(udev, "no valid MBR signature '%s'\n", node); - rc=6; - goto close; - } - - /* read EDD signature */ - if (lseek(disk_fd, 440, SEEK_SET) < 0) { - info(udev, "seek to signature failed '%s'\n", node); - rc = 7; - goto close; - } - if (read(disk_fd, &disk_id, sizeof(disk_id)) != sizeof(disk_id)) { - info(udev, "read signature failed '%s'\n", node); - rc = 8; - goto close; - } - /* all zero is invalid */ - info(udev, "read id 0x%08x from '%s'\n", disk_id, node); - if (disk_id == 0) { - fprintf(stderr, "no EDD signature '%s'\n", node); - info(udev, "'%s' signature is zero\n", node); - rc = 9; - goto close; - } - - /* lookup signature in sysfs to determine the name */ - match[0] = '\0'; - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - char sysfs_id_buf[256]; - uint32_t sysfs_id; - ssize_t size; - - if (dent->d_name[0] == '.') - continue; - - util_strscpyl(filename, sizeof(filename), dent->d_name, "/mbr_signature", NULL); - sysfs_fd = openat(dirfd(dir), filename, O_RDONLY); - if (sysfs_fd < 0) { - info(udev, "unable to open sysfs '%s'\n", filename); - continue; - } - - size = read(sysfs_fd, sysfs_id_buf, sizeof(sysfs_id_buf)-1); - close(sysfs_fd); - if (size <= 0) { - info(udev, "read sysfs '%s' failed\n", filename); - continue; - } - sysfs_id_buf[size] = '\0'; - info(udev, "read '%s' from '%s'\n", sysfs_id_buf, filename); - sysfs_id = strtoul(sysfs_id_buf, NULL, 16); - - /* look for matching value, that appears only once */ - if (disk_id == sysfs_id) { - if (match[0] == '\0') { - /* store id */ - util_strscpy(match, sizeof(match), dent->d_name); - } else { - /* error, same signature for another device */ - info(udev, "'%s' does not have a unique signature\n", node); - fprintf(stderr, "'%s' does not have a unique signature\n", node); - rc = 10; - goto exit; - } - } - } - - if (match[0] != '\0') { - if (export) - printf("ID_EDD=%s\n", match); - else - printf("%s\n", match); - rc = 0; - } + struct udev *udev; + const char *node = NULL; + int i; + int export = 0; + uint32_t disk_id; + uint16_t mbr_valid; + struct dirent *dent; + int disk_fd; + int sysfs_fd; + DIR *dir = NULL; + int rc = 1; + char filename[UTIL_PATH_SIZE]; + char match[UTIL_PATH_SIZE]; + + udev = udev_new(); + if (udev == NULL) + goto exit; + + udev_log_init("edd_id"); + udev_set_log_fn(udev, log_fn); + + for (i = 1 ; i < argc; i++) { + char *arg = argv[i]; + + if (strcmp(arg, "--export") == 0) { + export = 1; + } else + node = arg; + } + if (node == NULL) { + err(udev, "no node specified\n"); + fprintf(stderr, "no node specified\n"); + goto exit; + } + + /* check for kernel support */ + util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/firmware/edd", NULL); + dir = opendir(filename); + if (dir == NULL) { + info(udev, "no kernel EDD support\n"); + fprintf(stderr, "no kernel EDD support\n"); + rc = 2; + goto exit; + } + + disk_fd = open(node, O_RDONLY); + if (disk_fd < 0) { + info(udev, "unable to open '%s'\n", node); + fprintf(stderr, "unable to open '%s'\n", node); + rc = 3; + goto closedir; + } + + /* check for valid MBR signature */ + if (lseek(disk_fd, 510, SEEK_SET) < 0) { + info(udev, "seek to MBR validity failed '%s'\n", node); + rc = 4; + goto close; + } + if (read(disk_fd, &mbr_valid, sizeof(mbr_valid)) != sizeof(mbr_valid)) { + info(udev, "read MBR validity failed '%s'\n", node); + rc = 5; + goto close; + } + if (mbr_valid != 0xAA55) { + fprintf(stderr, "no valid MBR signature '%s'\n", node); + info(udev, "no valid MBR signature '%s'\n", node); + rc=6; + goto close; + } + + /* read EDD signature */ + if (lseek(disk_fd, 440, SEEK_SET) < 0) { + info(udev, "seek to signature failed '%s'\n", node); + rc = 7; + goto close; + } + if (read(disk_fd, &disk_id, sizeof(disk_id)) != sizeof(disk_id)) { + info(udev, "read signature failed '%s'\n", node); + rc = 8; + goto close; + } + /* all zero is invalid */ + info(udev, "read id 0x%08x from '%s'\n", disk_id, node); + if (disk_id == 0) { + fprintf(stderr, "no EDD signature '%s'\n", node); + info(udev, "'%s' signature is zero\n", node); + rc = 9; + goto close; + } + + /* lookup signature in sysfs to determine the name */ + match[0] = '\0'; + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + char sysfs_id_buf[256]; + uint32_t sysfs_id; + ssize_t size; + + if (dent->d_name[0] == '.') + continue; + + util_strscpyl(filename, sizeof(filename), dent->d_name, "/mbr_signature", NULL); + sysfs_fd = openat(dirfd(dir), filename, O_RDONLY); + if (sysfs_fd < 0) { + info(udev, "unable to open sysfs '%s'\n", filename); + continue; + } + + size = read(sysfs_fd, sysfs_id_buf, sizeof(sysfs_id_buf)-1); + close(sysfs_fd); + if (size <= 0) { + info(udev, "read sysfs '%s' failed\n", filename); + continue; + } + sysfs_id_buf[size] = '\0'; + info(udev, "read '%s' from '%s'\n", sysfs_id_buf, filename); + sysfs_id = strtoul(sysfs_id_buf, NULL, 16); + + /* look for matching value, that appears only once */ + if (disk_id == sysfs_id) { + if (match[0] == '\0') { + /* store id */ + util_strscpy(match, sizeof(match), dent->d_name); + } else { + /* error, same signature for another device */ + info(udev, "'%s' does not have a unique signature\n", node); + fprintf(stderr, "'%s' does not have a unique signature\n", node); + rc = 10; + goto exit; + } + } + } + + if (match[0] != '\0') { + if (export) + printf("ID_EDD=%s\n", match); + else + printf("%s\n", match); + rc = 0; + } close: - close(disk_fd); + close(disk_fd); closedir: - closedir(dir); + closedir(dir); exit: - udev_unref(udev); - udev_log_close(); - return rc; + udev_unref(udev); + udev_log_close(); + return rc; } diff --git a/src/extras/floppy/create_floppy_devices.c b/src/extras/floppy/create_floppy_devices.c index 47724f8b0..f71ef0d80 100644 --- a/src/extras/floppy/create_floppy_devices.c +++ b/src/extras/floppy/create_floppy_devices.c @@ -34,12 +34,12 @@ #include "libudev-private.h" static char *table[] = { - "", "d360", "h1200", "u360", "u720", "h360", "h720", - "u1440", "u2880", "CompaQ", "h1440", "u1680", "h410", - "u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743", - "h880", "u1040", "u1120", "h1600", "u1760", "u1920", - "u3200", "u3520", "u3840", "u1840", "u800", "u1600", - NULL + "", "d360", "h1200", "u360", "u720", "h360", "h720", + "u1440", "u2880", "CompaQ", "h1440", "u1680", "h410", + "u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743", + "h880", "u1040", "u1120", "h1600", "u1760", "u1920", + "u3200", "u3520", "u3840", "u1840", "u800", "u1600", + NULL }; static int t360[] = { 1, 0 }; @@ -48,130 +48,130 @@ static int t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13, static int *table_sup[] = { NULL, t360, t1200, t3in+5+8, t3in+5, t3in, t3in }; static void log_fn(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - vsyslog(priority, format, args); + vsyslog(priority, format, args); } int main(int argc, char **argv) { - struct udev *udev; - char *dev; - char *devname; - char node[64]; - int type = 0, i, fdnum, c; - int major = 2, minor; - uid_t uid = 0; - gid_t gid = 0; - mode_t mode = 0660; - int create_nodes = 0; - int print_nodes = 0; - int is_err = 0; - - udev = udev_new(); - if (udev == NULL) - goto exit; - - udev_log_init("create_floppy_devices"); - udev_set_log_fn(udev, log_fn); - udev_selinux_init(udev); - - while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) { - switch (c) { - case 'c': - create_nodes = 1; - break; - case 'd': - print_nodes = 1; - break; - case 'U': - uid = util_lookup_user(udev, optarg); - break; - case 'G': - gid = util_lookup_group(udev, optarg); - break; - case 'M': - mode = strtol(optarg, NULL, 0); - mode = mode & 0666; - break; - case 'm': - major = strtol(optarg, NULL, 0); - break; - case 't': - type = strtol(optarg, NULL, 0); - break; - default: - is_err++; - break; - } - } - - if (is_err || optind >= argc) { - printf("Usage: %s [OPTION] device\n" - " -c create\n" - " -d debug\n" - " -m Major number\n" - " -t floppy type number\n" - " -U device node user ownership\n" - " -G device node group owner\n" - " -M device node mode\n" - "\n", argv[0]); - return 1; - } - - dev = argv[optind]; - devname = strrchr(dev, '/'); - if (devname != NULL) - devname = &devname[1]; - else - devname = dev; - if (strncmp(devname, "fd", 2) != 0) { - fprintf(stderr,"Device '%s' is not a floppy device\n", dev); - return 1; - } - - fdnum = strtol(&devname[2], NULL, 10); - if (fdnum < 0 || fdnum > 7) { - fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum); - return 1; - } - if (fdnum > 3) - fdnum += 124; - - if (major < 1) { - fprintf(stderr,"Invalid major number %d\n", major); - return 1; - } - - if (type < 0 || type >= (int) ARRAY_SIZE(table_sup)) { - fprintf(stderr,"Invalid CMOS type %d\n", type); - return 1; - } - - if (type == 0) - return 0; - - i = 0; - while (table_sup[type][i]) { - sprintf(node, "%s%s", dev, table[table_sup[type][i]]); - minor = (table_sup[type][i] << 2) + fdnum; - if (print_nodes) - printf("%s b %.4o %d %d\n", node, mode, major, minor); - if (create_nodes) { - unlink(node); - udev_selinux_setfscreatecon(udev, node, S_IFBLK | mode); - mknod(node, S_IFBLK | mode, makedev(major,minor)); - udev_selinux_resetfscreatecon(udev); - chown(node, uid, gid); - chmod(node, S_IFBLK | mode); - } - i++; - } - - udev_selinux_exit(udev); - udev_unref(udev); - udev_log_close(); + struct udev *udev; + char *dev; + char *devname; + char node[64]; + int type = 0, i, fdnum, c; + int major = 2, minor; + uid_t uid = 0; + gid_t gid = 0; + mode_t mode = 0660; + int create_nodes = 0; + int print_nodes = 0; + int is_err = 0; + + udev = udev_new(); + if (udev == NULL) + goto exit; + + udev_log_init("create_floppy_devices"); + udev_set_log_fn(udev, log_fn); + udev_selinux_init(udev); + + while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) { + switch (c) { + case 'c': + create_nodes = 1; + break; + case 'd': + print_nodes = 1; + break; + case 'U': + uid = util_lookup_user(udev, optarg); + break; + case 'G': + gid = util_lookup_group(udev, optarg); + break; + case 'M': + mode = strtol(optarg, NULL, 0); + mode = mode & 0666; + break; + case 'm': + major = strtol(optarg, NULL, 0); + break; + case 't': + type = strtol(optarg, NULL, 0); + break; + default: + is_err++; + break; + } + } + + if (is_err || optind >= argc) { + printf("Usage: %s [OPTION] device\n" + " -c create\n" + " -d debug\n" + " -m Major number\n" + " -t floppy type number\n" + " -U device node user ownership\n" + " -G device node group owner\n" + " -M device node mode\n" + "\n", argv[0]); + return 1; + } + + dev = argv[optind]; + devname = strrchr(dev, '/'); + if (devname != NULL) + devname = &devname[1]; + else + devname = dev; + if (strncmp(devname, "fd", 2) != 0) { + fprintf(stderr,"Device '%s' is not a floppy device\n", dev); + return 1; + } + + fdnum = strtol(&devname[2], NULL, 10); + if (fdnum < 0 || fdnum > 7) { + fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum); + return 1; + } + if (fdnum > 3) + fdnum += 124; + + if (major < 1) { + fprintf(stderr,"Invalid major number %d\n", major); + return 1; + } + + if (type < 0 || type >= (int) ARRAY_SIZE(table_sup)) { + fprintf(stderr,"Invalid CMOS type %d\n", type); + return 1; + } + + if (type == 0) + return 0; + + i = 0; + while (table_sup[type][i]) { + sprintf(node, "%s%s", dev, table[table_sup[type][i]]); + minor = (table_sup[type][i] << 2) + fdnum; + if (print_nodes) + printf("%s b %.4o %d %d\n", node, mode, major, minor); + if (create_nodes) { + unlink(node); + udev_selinux_setfscreatecon(udev, node, S_IFBLK | mode); + mknod(node, S_IFBLK | mode, makedev(major,minor)); + udev_selinux_resetfscreatecon(udev); + chown(node, uid, gid); + chmod(node, S_IFBLK | mode); + } + i++; + } + + udev_selinux_exit(udev); + udev_unref(udev); + udev_log_close(); exit: - return 0; + return 0; } diff --git a/src/extras/gudev/COPYING b/src/extras/gudev/COPYING index 47044a8c5..da97db2bd 100644 --- a/src/extras/gudev/COPYING +++ b/src/extras/gudev/COPYING @@ -1,5 +1,5 @@ - GNU LESSER GENERAL PUBLIC LICENSE - Version 2.1, February 1999 + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 Copyright (C) 1991, 1999 Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA @@ -10,7 +10,7 @@ as the successor of the GNU Library Public License, version 2, hence the version number 2.1.] - Preamble + Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public @@ -112,7 +112,7 @@ modification follow. Pay close attention to the difference between a former contains code derived from the library, whereas the latter must be combined with the library in order to run. - GNU LESSER GENERAL PUBLIC LICENSE + GNU LESSER GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License Agreement applies to any software library or other @@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. - NO WARRANTY + NO WARRANTY 15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW. @@ -455,7 +455,7 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - END OF TERMS AND CONDITIONS + END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Libraries diff --git a/src/extras/gudev/docs/Makefile.am b/src/extras/gudev/docs/Makefile.am index 65e69975b..351219766 100644 --- a/src/extras/gudev/docs/Makefile.am +++ b/src/extras/gudev/docs/Makefile.am @@ -78,14 +78,14 @@ expand_content_files= # e.g. GTKDOC_CFLAGS=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS) # e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib) GTKDOC_CFLAGS = \ - $(DBUS_GLIB_CFLAGS) \ - $(GLIB_CFLAGS) \ - -I$(top_srcdir)/src/extras/gudev \ - -I$(top_builddir)/src/extras/gudev + $(DBUS_GLIB_CFLAGS) \ + $(GLIB_CFLAGS) \ + -I$(top_srcdir)/src/extras/gudev \ + -I$(top_builddir)/src/extras/gudev GTKDOC_LIBS = \ - $(GLIB_LIBS) \ - $(top_builddir)/src/extras/gudev/libgudev-1.0.la + $(GLIB_LIBS) \ + $(top_builddir)/src/extras/gudev/libgudev-1.0.la # This includes the standard gtk-doc make rules, copied by gtkdocize. include $(top_srcdir)/gtk-doc.make diff --git a/src/extras/gudev/docs/gudev-docs.xml b/src/extras/gudev/docs/gudev-docs.xml index 65fdfff8e..f876c3bc0 100644 --- a/src/extras/gudev/docs/gudev-docs.xml +++ b/src/extras/gudev/docs/gudev-docs.xml @@ -9,22 +9,22 @@ For GUdev version &version; - David - Zeuthen - -
- davidz@redhat.com -
- + David + Zeuthen + +
+ davidz@redhat.com +
+ - Bastien - Nocera - -
- hadess@hadess.net -
- + Bastien + Nocera + +
+ hadess@hadess.net +
+ @@ -35,32 +35,32 @@ - Permission is granted to copy, distribute and/or modify this - document under the terms of the GNU Free - Documentation License, Version 1.1 or any later - version published by the Free Software Foundation with no - Invariant Sections, no Front-Cover Texts, and no Back-Cover - Texts. You may obtain a copy of the GNU Free - Documentation License from the Free Software - Foundation by visiting their Web site or by writing - to: + Permission is granted to copy, distribute and/or modify this + document under the terms of the GNU Free + Documentation License, Version 1.1 or any later + version published by the Free Software Foundation with no + Invariant Sections, no Front-Cover Texts, and no Back-Cover + Texts. You may obtain a copy of the GNU Free + Documentation License from the Free Software + Foundation by visiting their Web site or by writing + to: -
- The Free Software Foundation, Inc., - 59 Temple Place - Suite 330, - Boston, MA 02111-1307, - USA -
+
+ The Free Software Foundation, Inc., + 59 Temple Place - Suite 330, + Boston, MA 02111-1307, + USA +
- Many of the names used by companies to distinguish their - products and services are claimed as trademarks. Where those - names appear in any freedesktop.org documentation, and those - trademarks are made aware to the members of the - freedesktop.org Project, the names have been printed in caps - or initial caps. + Many of the names used by companies to distinguish their + products and services are claimed as trademarks. Where those + names appear in any freedesktop.org documentation, and those + trademarks are made aware to the members of the + freedesktop.org Project, the names have been printed in caps + or initial caps. @@ -69,8 +69,8 @@ API Reference - This part presents the class and function reference for the - libgudev library. + This part presents the class and function reference for the + libgudev library. diff --git a/src/extras/gudev/gudevclient.c b/src/extras/gudev/gudevclient.c index a6465ad94..2b94102ac 100644 --- a/src/extras/gudev/gudevclient.c +++ b/src/extras/gudev/gudevclient.c @@ -87,8 +87,8 @@ G_DEFINE_TYPE (GUdevClient, g_udev_client, G_TYPE_OBJECT) static gboolean monitor_event (GIOChannel *source, - GIOCondition condition, - gpointer data) + GIOCondition condition, + gpointer data) { GUdevClient *client = (GUdevClient *) data; GUdevDevice *device; diff --git a/src/extras/keymap/check-keymaps.sh b/src/extras/keymap/check-keymaps.sh index ea77b69c2..f81b6aac3 100755 --- a/src/extras/keymap/check-keymaps.sh +++ b/src/extras/keymap/check-keymaps.sh @@ -9,30 +9,30 @@ KEYMAPS_DIR=$SRCDIR/src/extras/keymap/keymaps #extras/keymap/keymaps RULES=$SRCDIR/src/extras/keymap/95-keymap.rules [ -e "$KEYLIST" ] || { - echo "need $KEYLIST please build first" >&2 - exit 1 + echo "need $KEYLIST please build first" >&2 + exit 1 } missing=$(join -v 2 <(awk '{print tolower(substr($1,5))}' $KEYLIST | sort -u) \ <(grep -hv '^#' ${KEYMAPS_DIR}/*| awk '{print $2}' | sort -u)) [ -z "$missing" ] || { - echo "ERROR: unknown key names in extras/keymap/keymaps/*:" >&2 - echo "$missing" >&2 - exit 1 + echo "ERROR: unknown key names in extras/keymap/keymaps/*:" >&2 + echo "$missing" >&2 + exit 1 } # check that all maps referred to in $RULES exist maps=$(sed -rn '/keymap \$name/ { s/^.*\$name ([^"[:space:]]+).*$/\1/; p }' $RULES) for m in $maps; do - # ignore inline mappings - [ "$m" = "${m#0x}" ] || continue + # ignore inline mappings + [ "$m" = "${m#0x}" ] || continue - [ -e ${KEYMAPS_DIR}/$m ] || { - echo "ERROR: unknown map name in $RULES: $m" >&2 - exit 1 - } - grep -q "extras/keymap/keymaps/$m\>" $SRCDIR/Makefile.am || { - echo "ERROR: map file $m is not added to Makefile.am" >&2 - exit 1 - } + [ -e ${KEYMAPS_DIR}/$m ] || { + echo "ERROR: unknown map name in $RULES: $m" >&2 + exit 1 + } + grep -q "extras/keymap/keymaps/$m\>" $SRCDIR/Makefile.am || { + echo "ERROR: map file $m is not added to Makefile.am" >&2 + exit 1 + } done diff --git a/src/extras/keymap/findkeyboards b/src/extras/keymap/findkeyboards index eba3737a9..9ce27429b 100755 --- a/src/extras/keymap/findkeyboards +++ b/src/extras/keymap/findkeyboards @@ -1,4 +1,4 @@ -#!/usr/bin/env sh +#!/bin/sh -e # Find "real" keyboard devices and print their device path. # Author: Martin Pitt # @@ -14,58 +14,55 @@ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. -set -e - # returns OK if $1 contains $2 strstr() { - [ "${1#*$2*}" != "$1" ] + [ "${1#*$2*}" != "$1" ] } # returns OK if $1 contains $2 at the beginning str_starts() { - [ "${1#$2*}" != "$1" ] + [ "${1#$2*}" != "$1" ] } str_line_starts() { - while read a; do str_starts "$a" "$1" && return 0;done - return 1; + while read a; do str_starts "$a" "$1" && return 0;done + return 1; } # print a list of input devices which are keyboard-like keyboard_devices() { - # standard AT keyboard - for dev in `udevadm trigger --dry-run --verbose --property-match=ID_INPUT_KEYBOARD=1`; do - walk=`udevadm info --attribute-walk --path=$dev` - env=`udevadm info --query=env --path=$dev` - # filter out non-event devices, such as the parent input devices which - # have no devnode - if ! echo "$env" | str_line_starts 'DEVNAME='; then - continue - fi - if strstr "$walk" 'DRIVERS=="atkbd"'; then - echo -n 'AT keyboard: ' - elif echo "$env" | str_line_starts 'ID_USB_DRIVER=usbhid'; then - echo -n 'USB keyboard: ' - else - echo -n 'Unknown type: ' - fi - udevadm info --query=name --path=$dev - done + # standard AT keyboard + for dev in `udevadm trigger --dry-run --verbose --property-match=ID_INPUT_KEYBOARD=1`; do + walk=`udevadm info --attribute-walk --path=$dev` + env=`udevadm info --query=env --path=$dev` + # filter out non-event devices, such as the parent input devices which have no devnode + if ! echo "$env" | str_line_starts 'DEVNAME='; then + continue + fi + if strstr "$walk" 'DRIVERS=="atkbd"'; then + echo -n 'AT keyboard: ' + elif echo "$env" | str_line_starts 'ID_USB_DRIVER=usbhid'; then + echo -n 'USB keyboard: ' + else + echo -n 'Unknown type: ' + fi + udevadm info --query=name --path=$dev + done - # modules - module=$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*Extra Buttons') - module="$module -$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*extra buttons')" - module="$module -$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='Sony Vaio Keys')" - for m in $module; do - for evdev in $m/event*/dev; do - if [ -e "$evdev" ]; then - echo -n 'module: ' - udevadm info --query=name --path=${evdev%%/dev} - fi - done - done + # modules + module=$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*Extra Buttons') + module="$module + $(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*extra buttons')" + module="$module + $(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='Sony Vaio Keys')" + for m in $module; do + for evdev in $m/event*/dev; do + if [ -e "$evdev" ]; then + echo -n 'module: ' + udevadm info --query=name --path=${evdev%%/dev} + fi + done + done } keyboard_devices diff --git a/src/extras/keymap/keyboard-force-release.sh.in b/src/extras/keymap/keyboard-force-release.sh.in index 154be3d73..dd040cebc 100755 --- a/src/extras/keymap/keyboard-force-release.sh.in +++ b/src/extras/keymap/keyboard-force-release.sh.in @@ -5,18 +5,18 @@ # $2 file with scancode list (hex or dec) case "$2" in - /*) scf="$2" ;; - *) scf="@pkglibexecdir@/keymaps/force-release/$2" ;; + /*) scf="$2" ;; + *) scf="@pkglibexecdir@/keymaps/force-release/$2" ;; esac read attr <"/sys/$1/force_release" while read scancode dummy; do - case "$scancode" in - \#*) ;; - *) - scancode=$(($scancode)) - attr="$attr${attr:+,}$scancode" - ;; - esac + case "$scancode" in + \#*) ;; + *) + scancode=$(($scancode)) + attr="$attr${attr:+,}$scancode" + ;; + esac done <"$scf" echo "$attr" >"/sys/$1/force_release" diff --git a/src/extras/keymap/keymap.c b/src/extras/keymap/keymap.c index 6bcfaefa1..92ec67b3a 100644 --- a/src/extras/keymap/keymap.c +++ b/src/extras/keymap/keymap.c @@ -45,403 +45,403 @@ const struct key* lookup_key (const char *str, unsigned int len); static int evdev_open(const char *dev) { - int fd; - char fn[PATH_MAX]; - - if (strncmp(dev, "/dev", 4) != 0) { - snprintf(fn, sizeof(fn), "/dev/%s", dev); - dev = fn; - } - - if ((fd = open(dev, O_RDWR)) < 0) { - fprintf(stderr, "error open('%s'): %m\n", dev); - return -1; - } - return fd; + int fd; + char fn[PATH_MAX]; + + if (strncmp(dev, "/dev", 4) != 0) { + snprintf(fn, sizeof(fn), "/dev/%s", dev); + dev = fn; + } + + if ((fd = open(dev, O_RDWR)) < 0) { + fprintf(stderr, "error open('%s'): %m\n", dev); + return -1; + } + return fd; } static int evdev_get_keycode(int fd, int scancode, int e) { - int codes[2]; - - codes[0] = scancode; - if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) { - if (e && errno == EINVAL) { - return -2; - } else { - fprintf(stderr, "EVIOCGKEYCODE: %m\n"); - return -1; - } - } - return codes[1]; + int codes[2]; + + codes[0] = scancode; + if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) { + if (e && errno == EINVAL) { + return -2; + } else { + fprintf(stderr, "EVIOCGKEYCODE: %m\n"); + return -1; + } + } + return codes[1]; } static int evdev_set_keycode(int fd, int scancode, int keycode) { - int codes[2]; + int codes[2]; - codes[0] = scancode; - codes[1] = keycode; + codes[0] = scancode; + codes[1] = keycode; - if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) { - fprintf(stderr, "EVIOCSKEYCODE: %m\n"); - return -1; - } - return 0; + if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) { + fprintf(stderr, "EVIOCSKEYCODE: %m\n"); + return -1; + } + return 0; } static int evdev_driver_version(int fd, char *v, size_t l) { - int version; + int version; - if (ioctl(fd, EVIOCGVERSION, &version)) { - fprintf(stderr, "EVIOCGVERSION: %m\n"); - return -1; - } + if (ioctl(fd, EVIOCGVERSION, &version)) { + fprintf(stderr, "EVIOCGVERSION: %m\n"); + return -1; + } - snprintf(v, l, "%i.%i.%i.", version >> 16, (version >> 8) & 0xff, version & 0xff); - return 0; + snprintf(v, l, "%i.%i.%i.", version >> 16, (version >> 8) & 0xff, version & 0xff); + return 0; } static int evdev_device_name(int fd, char *n, size_t l) { - if (ioctl(fd, EVIOCGNAME(l), n) < 0) { - fprintf(stderr, "EVIOCGNAME: %m\n"); - return -1; - } - return 0; + if (ioctl(fd, EVIOCGNAME(l), n) < 0) { + fprintf(stderr, "EVIOCGNAME: %m\n"); + return -1; + } + return 0; } /* Return a lower-case string with KEY_ prefix removed */ static const char* format_keyname(const char* key) { - static char result[101]; - const char* s; - int len; - - for (s = key+4, len = 0; *s && len < 100; ++len, ++s) - result[len] = tolower(*s); - result[len] = '\0'; - return result; + static char result[101]; + const char* s; + int len; + + for (s = key+4, len = 0; *s && len < 100; ++len, ++s) + result[len] = tolower(*s); + result[len] = '\0'; + return result; } static int dump_table(int fd) { - char version[256], name[256]; - int scancode, r = -1; + char version[256], name[256]; + int scancode, r = -1; - if (evdev_driver_version(fd, version, sizeof(version)) < 0) - goto fail; + if (evdev_driver_version(fd, version, sizeof(version)) < 0) + goto fail; - if (evdev_device_name(fd, name, sizeof(name)) < 0) - goto fail; + if (evdev_device_name(fd, name, sizeof(name)) < 0) + goto fail; - printf("### evdev %s, driver '%s'\n", version, name); + printf("### evdev %s, driver '%s'\n", version, name); - r = 0; - for (scancode = 0; scancode < MAX_SCANCODES; scancode++) { - int keycode; + r = 0; + for (scancode = 0; scancode < MAX_SCANCODES; scancode++) { + int keycode; - if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) { - if (keycode == -2) - continue; - r = -1; - break; - } + if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) { + if (keycode == -2) + continue; + r = -1; + break; + } - if (keycode < KEY_MAX && key_names[keycode]) - printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode])); - else - printf("0x%03x 0x%03x\n", scancode, keycode); - } + if (keycode < KEY_MAX && key_names[keycode]) + printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode])); + else + printf("0x%03x 0x%03x\n", scancode, keycode); + } fail: - return r; + return r; } static void set_key(int fd, const char* scancode_str, const char* keyname) { - unsigned scancode; - char *endptr; - char t[105] = "KEY_UNKNOWN"; - const struct key *k; - - scancode = (unsigned) strtol(scancode_str, &endptr, 0); - if (*endptr != '\0') { - fprintf(stderr, "ERROR: Invalid scancode\n"); - exit(1); - } - - snprintf(t, sizeof(t), "KEY_%s", keyname); - - if (!(k = lookup_key(t, strlen(t)))) { - fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname); - exit(1); - } - - if (evdev_set_keycode(fd, scancode, k->id) < 0) - fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n", - scancode, k->id); - else - printf("setting scancode 0x%2X to key code %i\n", - scancode, k->id); + unsigned scancode; + char *endptr; + char t[105] = "KEY_UNKNOWN"; + const struct key *k; + + scancode = (unsigned) strtol(scancode_str, &endptr, 0); + if (*endptr != '\0') { + fprintf(stderr, "ERROR: Invalid scancode\n"); + exit(1); + } + + snprintf(t, sizeof(t), "KEY_%s", keyname); + + if (!(k = lookup_key(t, strlen(t)))) { + fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname); + exit(1); + } + + if (evdev_set_keycode(fd, scancode, k->id) < 0) + fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n", + scancode, k->id); + else + printf("setting scancode 0x%2X to key code %i\n", + scancode, k->id); } static int merge_table(int fd, FILE *f) { - int r = 0; - int line = 0; - - while (!feof(f)) { - char s[256], *p; - int scancode, new_keycode, old_keycode; - - if (!fgets(s, sizeof(s), f)) - break; - - line++; - p = s+strspn(s, "\t "); - if (*p == '#' || *p == '\n') - continue; - - if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) { - char t[105] = "KEY_UNKNOWN"; - const struct key *k; - - if (sscanf(p, "%i %100s", &scancode, t+4) != 2) { - fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line); - r = -1; - continue; - } - - if (!(k = lookup_key(t, strlen(t)))) { - fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line); - r = -1; - continue; - } - - new_keycode = k->id; - } - - - if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) { - r = -1; - goto fail; - } - - if (evdev_set_keycode(fd, scancode, new_keycode) < 0) { - r = -1; - goto fail; - } - - if (new_keycode != old_keycode) - fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n", - scancode, new_keycode, old_keycode); - } + int r = 0; + int line = 0; + + while (!feof(f)) { + char s[256], *p; + int scancode, new_keycode, old_keycode; + + if (!fgets(s, sizeof(s), f)) + break; + + line++; + p = s+strspn(s, "\t "); + if (*p == '#' || *p == '\n') + continue; + + if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) { + char t[105] = "KEY_UNKNOWN"; + const struct key *k; + + if (sscanf(p, "%i %100s", &scancode, t+4) != 2) { + fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line); + r = -1; + continue; + } + + if (!(k = lookup_key(t, strlen(t)))) { + fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line); + r = -1; + continue; + } + + new_keycode = k->id; + } + + + if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) { + r = -1; + goto fail; + } + + if (evdev_set_keycode(fd, scancode, new_keycode) < 0) { + r = -1; + goto fail; + } + + if (new_keycode != old_keycode) + fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n", + scancode, new_keycode, old_keycode); + } fail: - fclose(f); - return r; + fclose(f); + return r; } /* read one event; return 1 if valid */ static int read_event(int fd, struct input_event* ev) { - int ret; - ret = read(fd, ev, sizeof(struct input_event)); - - if (ret < 0) { - perror("read"); - return 0; - } - if (ret != sizeof(struct input_event)) { - fprintf(stderr, "did not get enough data for event struct, aborting\n"); - return 0; - } - - return 1; + int ret; + ret = read(fd, ev, sizeof(struct input_event)); + + if (ret < 0) { + perror("read"); + return 0; + } + if (ret != sizeof(struct input_event)) { + fprintf(stderr, "did not get enough data for event struct, aborting\n"); + return 0; + } + + return 1; } static void print_key(uint32_t scancode, uint16_t keycode, int has_scan, int has_key) { - const char *keyname; - - /* ignore key release events */ - if (has_key == 1) - return; - - if (has_key == 0 && has_scan != 0) { - fprintf(stderr, "got scan code event 0x%02X without a key code event\n", - scancode); - return; - } - - if (has_scan != 0) - printf("scan code: 0x%02X ", scancode); - else - printf("(no scan code received) "); - - keyname = key_names[keycode]; - if (keyname != NULL) - printf("key code: %s\n", format_keyname(keyname)); - else - printf("key code: %03X\n", keycode); + const char *keyname; + + /* ignore key release events */ + if (has_key == 1) + return; + + if (has_key == 0 && has_scan != 0) { + fprintf(stderr, "got scan code event 0x%02X without a key code event\n", + scancode); + return; + } + + if (has_scan != 0) + printf("scan code: 0x%02X ", scancode); + else + printf("(no scan code received) "); + + keyname = key_names[keycode]; + if (keyname != NULL) + printf("key code: %s\n", format_keyname(keyname)); + else + printf("key code: %03X\n", keycode); } static void interactive(int fd) { - struct input_event ev; - uint32_t last_scan = 0; - uint16_t last_key = 0; - int has_scan; /* boolean */ - int has_key; /* 0: none, 1: release, 2: press */ - - /* grab input device */ - ioctl(fd, EVIOCGRAB, 1); - puts("Press ESC to finish, or Control-C if this device is not your primary keyboard"); - - has_scan = has_key = 0; - while (read_event(fd, &ev)) { - /* Drivers usually send the scan code first, then the key code, - * then a SYN. Some drivers (like thinkpad_acpi) send the key - * code first, and some drivers might not send SYN events, so - * keep a robust state machine which can deal with any of those - */ - - if (ev.type == EV_MSC && ev.code == MSC_SCAN) { - if (has_scan) { - fputs("driver did not send SYN event in between key events; previous event:\n", - stderr); - print_key(last_scan, last_key, has_scan, has_key); - has_key = 0; - } - - last_scan = ev.value; - has_scan = 1; - /*printf("--- got scan %u; has scan %i key %i\n", last_scan, has_scan, has_key); */ - } - else if (ev.type == EV_KEY) { - if (has_key) { - fputs("driver did not send SYN event in between key events; previous event:\n", - stderr); - print_key(last_scan, last_key, has_scan, has_key); - has_scan = 0; - } - - last_key = ev.code; - has_key = 1 + ev.value; - /*printf("--- got key %hu; has scan %i key %i\n", last_key, has_scan, has_key);*/ - - /* Stop on ESC */ - if (ev.code == KEY_ESC && ev.value == 0) - break; - } - else if (ev.type == EV_SYN) { - /*printf("--- got SYN; has scan %i key %i\n", has_scan, has_key);*/ - print_key(last_scan, last_key, has_scan, has_key); - - has_scan = has_key = 0; - } - - } - - /* release input device */ - ioctl(fd, EVIOCGRAB, 0); + struct input_event ev; + uint32_t last_scan = 0; + uint16_t last_key = 0; + int has_scan; /* boolean */ + int has_key; /* 0: none, 1: release, 2: press */ + + /* grab input device */ + ioctl(fd, EVIOCGRAB, 1); + puts("Press ESC to finish, or Control-C if this device is not your primary keyboard"); + + has_scan = has_key = 0; + while (read_event(fd, &ev)) { + /* Drivers usually send the scan code first, then the key code, + * then a SYN. Some drivers (like thinkpad_acpi) send the key + * code first, and some drivers might not send SYN events, so + * keep a robust state machine which can deal with any of those + */ + + if (ev.type == EV_MSC && ev.code == MSC_SCAN) { + if (has_scan) { + fputs("driver did not send SYN event in between key events; previous event:\n", + stderr); + print_key(last_scan, last_key, has_scan, has_key); + has_key = 0; + } + + last_scan = ev.value; + has_scan = 1; + /*printf("--- got scan %u; has scan %i key %i\n", last_scan, has_scan, has_key); */ + } + else if (ev.type == EV_KEY) { + if (has_key) { + fputs("driver did not send SYN event in between key events; previous event:\n", + stderr); + print_key(last_scan, last_key, has_scan, has_key); + has_scan = 0; + } + + last_key = ev.code; + has_key = 1 + ev.value; + /*printf("--- got key %hu; has scan %i key %i\n", last_key, has_scan, has_key);*/ + + /* Stop on ESC */ + if (ev.code == KEY_ESC && ev.value == 0) + break; + } + else if (ev.type == EV_SYN) { + /*printf("--- got SYN; has scan %i key %i\n", has_scan, has_key);*/ + print_key(last_scan, last_key, has_scan, has_key); + + has_scan = has_key = 0; + } + + } + + /* release input device */ + ioctl(fd, EVIOCGRAB, 0); } static void help(int error) { - const char* h = "Usage: keymap []\n" - " keymap scancode keyname [...]\n" - " keymap -i \n"; - if (error) { - fputs(h, stderr); - exit(2); - } else { - fputs(h, stdout); - exit(0); - } + const char* h = "Usage: keymap []\n" + " keymap scancode keyname [...]\n" + " keymap -i \n"; + if (error) { + fputs(h, stderr); + exit(2); + } else { + fputs(h, stdout); + exit(0); + } } int main(int argc, char **argv) { - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "interactive", no_argument, NULL, 'i' }, - {} - }; - int fd = -1; - int opt_interactive = 0; - int i; - - while (1) { - int option; - - option = getopt_long(argc, argv, "hi", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'h': - help(0); - - case 'i': - opt_interactive = 1; - break; - default: - return 1; - } - } - - if (argc < optind+1) - help (1); - - if ((fd = evdev_open(argv[optind])) < 0) - return 3; - - /* one argument (device): dump or interactive */ - if (argc == optind+1) { - if (opt_interactive) - interactive(fd); - else - dump_table(fd); - return 0; - } - - /* two arguments (device, mapfile): set map file */ - if (argc == optind+2) { - const char *filearg = argv[optind+1]; - if (strchr(filearg, '/')) { - /* Keymap file argument is a path */ - FILE *f = fopen(filearg, "r"); - if (f) - merge_table(fd, f); - else - perror(filearg); - } else { - /* Keymap file argument is a filename */ - /* Open override file if present, otherwise default file */ - char keymap_path[PATH_MAX]; - snprintf(keymap_path, sizeof(keymap_path), "%s%s", SYSCONFDIR "/udev/keymaps/", filearg); - FILE *f = fopen(keymap_path, "r"); - if (f) { - merge_table(fd, f); - } else { - snprintf(keymap_path, sizeof(keymap_path), "%s%s", PKGLIBEXECDIR "/keymaps/", filearg); - f = fopen(keymap_path, "r"); - if (f) - merge_table(fd, f); - else - perror(keymap_path); - } - } - return 0; - } - - /* more arguments (device, scancode/keyname pairs): set keys directly */ - if ((argc - optind - 1) % 2 == 0) { - for (i = optind+1; i < argc; i += 2) - set_key(fd, argv[i], argv[i+1]); - return 0; - } - - /* invalid number of arguments */ - help(1); - return 1; /* not reached */ + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "interactive", no_argument, NULL, 'i' }, + {} + }; + int fd = -1; + int opt_interactive = 0; + int i; + + while (1) { + int option; + + option = getopt_long(argc, argv, "hi", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'h': + help(0); + + case 'i': + opt_interactive = 1; + break; + default: + return 1; + } + } + + if (argc < optind+1) + help (1); + + if ((fd = evdev_open(argv[optind])) < 0) + return 3; + + /* one argument (device): dump or interactive */ + if (argc == optind+1) { + if (opt_interactive) + interactive(fd); + else + dump_table(fd); + return 0; + } + + /* two arguments (device, mapfile): set map file */ + if (argc == optind+2) { + const char *filearg = argv[optind+1]; + if (strchr(filearg, '/')) { + /* Keymap file argument is a path */ + FILE *f = fopen(filearg, "r"); + if (f) + merge_table(fd, f); + else + perror(filearg); + } else { + /* Keymap file argument is a filename */ + /* Open override file if present, otherwise default file */ + char keymap_path[PATH_MAX]; + snprintf(keymap_path, sizeof(keymap_path), "%s%s", SYSCONFDIR "/udev/keymaps/", filearg); + FILE *f = fopen(keymap_path, "r"); + if (f) { + merge_table(fd, f); + } else { + snprintf(keymap_path, sizeof(keymap_path), "%s%s", PKGLIBEXECDIR "/keymaps/", filearg); + f = fopen(keymap_path, "r"); + if (f) + merge_table(fd, f); + else + perror(keymap_path); + } + } + return 0; + } + + /* more arguments (device, scancode/keyname pairs): set keys directly */ + if ((argc - optind - 1) % 2 == 0) { + for (i = optind+1; i < argc; i += 2) + set_key(fd, argv[i], argv[i+1]); + return 0; + } + + /* invalid number of arguments */ + help(1); + return 1; /* not reached */ } diff --git a/src/extras/keymap/keymaps/acer-aspire_5720 b/src/extras/keymap/keymaps/acer-aspire_5720 index c4a845936..1496d63a5 100644 --- a/src/extras/keymap/keymaps/acer-aspire_5720 +++ b/src/extras/keymap/keymaps/acer-aspire_5720 @@ -1,4 +1,4 @@ 0x84 bluetooth # sent when bluetooth module missing, and key pressed -0x92 media # acer arcade +0x92 media # acer arcade 0xD4 bluetooth # bluetooth on 0xD9 bluetooth # bluetooth off diff --git a/src/extras/keymap/keymaps/lenovo-ideapad b/src/extras/keymap/keymaps/lenovo-ideapad index d5f25671a..9ab02ba33 100644 --- a/src/extras/keymap/keymaps/lenovo-ideapad +++ b/src/extras/keymap/keymaps/lenovo-ideapad @@ -1,7 +1,7 @@ # Key codes observed on S10-3, assumed valid on other IdeaPad models -0x81 rfkill # does nothing in BIOS -0x83 display_off # BIOS toggles screen state -0xB9 brightnessup # does nothing in BIOS -0xBA brightnessdown # does nothing in BIOS -0xF1 camera # BIOS toggles camera power -0xf2 unknown # trackpad enable/disable (does nothing in BIOS) +0x81 rfkill # does nothing in BIOS +0x83 display_off # BIOS toggles screen state +0xB9 brightnessup # does nothing in BIOS +0xBA brightnessdown # does nothing in BIOS +0xF1 camera # BIOS toggles camera power +0xf2 unknown # trackpad enable/disable (does nothing in BIOS) diff --git a/src/extras/mtd_probe/mtd_probe.c b/src/extras/mtd_probe/mtd_probe.c index e45867ffa..1aa08d385 100644 --- a/src/extras/mtd_probe/mtd_probe.c +++ b/src/extras/mtd_probe/mtd_probe.c @@ -28,24 +28,24 @@ int main(int argc, char** argv) { - if (argc != 2) { - printf("usage: mtd_probe /dev/mtd[n]\n"); - return 1; - } + if (argc != 2) { + printf("usage: mtd_probe /dev/mtd[n]\n"); + return 1; + } - int mtd_fd = open(argv[1], O_RDONLY); - if (mtd_fd == -1) { - perror("open"); - exit(-1); - } + int mtd_fd = open(argv[1], O_RDONLY); + if (mtd_fd == -1) { + perror("open"); + exit(-1); + } - mtd_info_t mtd_info; - int error = ioctl(mtd_fd, MEMGETINFO, &mtd_info); - if (error == -1) { - perror("ioctl"); - exit(-1); - } + mtd_info_t mtd_info; + int error = ioctl(mtd_fd, MEMGETINFO, &mtd_info); + if (error == -1) { + perror("ioctl"); + exit(-1); + } - probe_smart_media(mtd_fd, &mtd_info); - return -1; + probe_smart_media(mtd_fd, &mtd_info); + return -1; } diff --git a/src/extras/mtd_probe/mtd_probe.h b/src/extras/mtd_probe/mtd_probe.h index 20ecd4578..2a37ede57 100644 --- a/src/extras/mtd_probe/mtd_probe.h +++ b/src/extras/mtd_probe/mtd_probe.h @@ -21,29 +21,29 @@ /* Full oob structure as written on the flash */ struct sm_oob { - uint32_t reserved; - uint8_t data_status; - uint8_t block_status; - uint8_t lba_copy1[2]; - uint8_t ecc2[3]; - uint8_t lba_copy2[2]; - uint8_t ecc1[3]; + uint32_t reserved; + uint8_t data_status; + uint8_t block_status; + uint8_t lba_copy1[2]; + uint8_t ecc2[3]; + uint8_t lba_copy2[2]; + uint8_t ecc1[3]; } __attribute__((packed)); /* one sector is always 512 bytes, but it can consist of two nand pages */ -#define SM_SECTOR_SIZE 512 +#define SM_SECTOR_SIZE 512 /* oob area is also 16 bytes, but might be from two pages */ -#define SM_OOB_SIZE 16 +#define SM_OOB_SIZE 16 /* This is maximum zone size, and all devices that have more that one zone have this size */ -#define SM_MAX_ZONE_SIZE 1024 +#define SM_MAX_ZONE_SIZE 1024 /* support for small page nand */ -#define SM_SMALL_PAGE 256 -#define SM_SMALL_OOB_SIZE 8 +#define SM_SMALL_PAGE 256 +#define SM_SMALL_OOB_SIZE 8 void probe_smart_media(int mtd_fd, mtd_info_t *info); diff --git a/src/extras/mtd_probe/probe_smartmedia.c b/src/extras/mtd_probe/probe_smartmedia.c index 49704e380..b3cdefc63 100644 --- a/src/extras/mtd_probe/probe_smartmedia.c +++ b/src/extras/mtd_probe/probe_smartmedia.c @@ -30,68 +30,68 @@ #include "mtd_probe.h" static const uint8_t cis_signature[] = { - 0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20 + 0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20 }; void probe_smart_media(int mtd_fd, mtd_info_t* info) { - char* cis_buffer = malloc(SM_SECTOR_SIZE); + char* cis_buffer = malloc(SM_SECTOR_SIZE); - if (!cis_buffer) - return; + if (!cis_buffer) + return; - if (info->type != MTD_NANDFLASH) - goto exit; + if (info->type != MTD_NANDFLASH) + goto exit; - int sector_size = info->writesize; - int block_size = info->erasesize; - int size_in_megs = info->size / (1024 * 1024); - int spare_count; + int sector_size = info->writesize; + int block_size = info->erasesize; + int size_in_megs = info->size / (1024 * 1024); + int spare_count; - if (sector_size != SM_SECTOR_SIZE && sector_size != SM_SMALL_PAGE) - goto exit; + if (sector_size != SM_SECTOR_SIZE && sector_size != SM_SMALL_PAGE) + goto exit; - switch(size_in_megs) { - case 1: - case 2: - spare_count = 6; - break; - case 4: - spare_count = 12; - break; - default: - spare_count = 24; - break; - } + switch(size_in_megs) { + case 1: + case 2: + spare_count = 6; + break; + case 4: + spare_count = 12; + break; + default: + spare_count = 24; + break; + } - int offset; - int cis_found = 0; + int offset; + int cis_found = 0; - for (offset = 0 ; offset < block_size * spare_count ; - offset += sector_size) { + for (offset = 0 ; offset < block_size * spare_count ; + offset += sector_size) { - lseek(mtd_fd, SEEK_SET, offset); - if (read(mtd_fd, cis_buffer, SM_SECTOR_SIZE) == SM_SECTOR_SIZE){ - cis_found = 1; - break; - } - } + lseek(mtd_fd, SEEK_SET, offset); + if (read(mtd_fd, cis_buffer, SM_SECTOR_SIZE) == SM_SECTOR_SIZE){ + cis_found = 1; + break; + } + } - if (!cis_found) - goto exit; + if (!cis_found) + goto exit; - if (memcmp(cis_buffer, cis_signature, sizeof(cis_signature)) != 0 && - (memcmp(cis_buffer + SM_SMALL_PAGE, cis_signature, - sizeof(cis_signature)) != 0)) - goto exit; + if (memcmp(cis_buffer, cis_signature, sizeof(cis_signature)) != 0 && + (memcmp(cis_buffer + SM_SMALL_PAGE, cis_signature, + sizeof(cis_signature)) != 0)) + goto exit; - printf("MTD_FTL=smartmedia\n"); - free(cis_buffer); - exit(0); + printf("MTD_FTL=smartmedia\n"); + free(cis_buffer); + exit(0); exit: - free(cis_buffer); - return; + free(cis_buffer); + return; } diff --git a/src/extras/rule_generator/rule_generator.functions b/src/extras/rule_generator/rule_generator.functions index 0f1b73850..2eec1b6ab 100644 --- a/src/extras/rule_generator/rule_generator.functions +++ b/src/extras/rule_generator/rule_generator.functions @@ -20,94 +20,94 @@ PATH='/usr/bin:/bin:/usr/sbin:/sbin' # Read a single line from file $1 in the $DEVPATH directory. # The function must not return an error even if the file does not exist. sysread() { - local file="$1" - [ -e "/sys$DEVPATH/$file" ] || return 0 - local value - read value < "/sys$DEVPATH/$file" || return 0 - echo "$value" + local file="$1" + [ -e "/sys$DEVPATH/$file" ] || return 0 + local value + read value < "/sys$DEVPATH/$file" || return 0 + echo "$value" } sysreadlink() { - local file="$1" - [ -e "/sys$DEVPATH/$file" ] || return 0 - readlink -f /sys$DEVPATH/$file 2> /dev/null || true + local file="$1" + [ -e "/sys$DEVPATH/$file" ] || return 0 + readlink -f /sys$DEVPATH/$file 2> /dev/null || true } # Return true if a directory is writeable. writeable() { - if ln -s test-link $1/.is-writeable 2> /dev/null; then - rm -f $1/.is-writeable - return 0 - else - return 1 - fi + if ln -s test-link $1/.is-writeable 2> /dev/null; then + rm -f $1/.is-writeable + return 0 + else + return 1 + fi } # Create a lock file for the current rules file. lock_rules_file() { - RUNDIR=$(udevadm info --run) - [ -e "$RUNDIR" ] || return 0 - - RULES_LOCK="$RUNDIR/.lock-${RULES_FILE##*/}" - - retry=30 - while ! mkdir $RULES_LOCK 2> /dev/null; do - if [ $retry -eq 0 ]; then - echo "Cannot lock $RULES_FILE!" >&2 - exit 2 - fi - sleep 1 - retry=$(($retry - 1)) - done + RUNDIR=$(udevadm info --run) + [ -e "$RUNDIR" ] || return 0 + + RULES_LOCK="$RUNDIR/.lock-${RULES_FILE##*/}" + + retry=30 + while ! mkdir $RULES_LOCK 2> /dev/null; do + if [ $retry -eq 0 ]; then + echo "Cannot lock $RULES_FILE!" >&2 + exit 2 + fi + sleep 1 + retry=$(($retry - 1)) + done } unlock_rules_file() { - [ "$RULES_LOCK" ] || return 0 - rmdir $RULES_LOCK || true + [ "$RULES_LOCK" ] || return 0 + rmdir $RULES_LOCK || true } # Choose the real rules file if it is writeable or a temporary file if not. # Both files should be checked later when looking for existing rules. choose_rules_file() { - RUNDIR=$(udevadm info --run) - local tmp_rules_file="$RUNDIR/tmp-rules--${RULES_FILE##*/}" - [ -e "$RULES_FILE" -o -e "$tmp_rules_file" ] || PRINT_HEADER=1 - - if writeable ${RULES_FILE%/*}; then - RO_RULES_FILE='/dev/null' - else - RO_RULES_FILE=$RULES_FILE - RULES_FILE=$tmp_rules_file - fi + RUNDIR=$(udevadm info --run) + local tmp_rules_file="$RUNDIR/tmp-rules--${RULES_FILE##*/}" + [ -e "$RULES_FILE" -o -e "$tmp_rules_file" ] || PRINT_HEADER=1 + + if writeable ${RULES_FILE%/*}; then + RO_RULES_FILE='/dev/null' + else + RO_RULES_FILE=$RULES_FILE + RULES_FILE=$tmp_rules_file + fi } # Return the name of the first free device. raw_find_next_available() { - local links="$1" - - local basename=${links%%[ 0-9]*} - local max=-1 - for name in $links; do - local num=${name#$basename} - [ "$num" ] || num=0 - [ $num -gt $max ] && max=$num - done - - local max=$(($max + 1)) - # "name0" actually is just "name" - [ $max -eq 0 ] && return - echo "$max" + local links="$1" + + local basename=${links%%[ 0-9]*} + local max=-1 + for name in $links; do + local num=${name#$basename} + [ "$num" ] || num=0 + [ $num -gt $max ] && max=$num + done + + local max=$(($max + 1)) + # "name0" actually is just "name" + [ $max -eq 0 ] && return + echo "$max" } # Find all rules matching a key (with action) and a pattern. find_all_rules() { - local key="$1" - local linkre="$2" - local match="$3" - - local search='.*[[:space:],]'"$key"'"('"$linkre"')".*' - echo $(sed -n -r -e 's/^#.*//' -e "${match}s/${search}/\1/p" \ - $RO_RULES_FILE \ - $([ -e $RULES_FILE ] && echo $RULES_FILE) \ - 2>/dev/null) + local key="$1" + local linkre="$2" + local match="$3" + + local search='.*[[:space:],]'"$key"'"('"$linkre"')".*' + echo $(sed -n -r -e 's/^#.*//' -e "${match}s/${search}/\1/p" \ + $RO_RULES_FILE \ + $([ -e $RULES_FILE ] && echo $RULES_FILE) \ + 2>/dev/null) } diff --git a/src/extras/rule_generator/write_cd_rules b/src/extras/rule_generator/write_cd_rules index 3f93c7447..645b9cd52 100644 --- a/src/extras/rule_generator/write_cd_rules +++ b/src/extras/rule_generator/write_cd_rules @@ -22,9 +22,9 @@ # debug, if UDEV_LOG= if [ -n "$UDEV_LOG" ]; then - if [ "$UDEV_LOG" -ge 7 ]; then - set -x - fi + if [ "$UDEV_LOG" -ge 7 ]; then + set -x + fi fi RULES_FILE="/etc/udev/rules.d/70-persistent-cd.rules" @@ -32,70 +32,70 @@ RULES_FILE="/etc/udev/rules.d/70-persistent-cd.rules" . /lib/udev/rule_generator.functions find_next_available() { - raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")" + raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")" } write_rule() { - local match="$1" - local link="$2" - local comment="$3" - - { - if [ "$PRINT_HEADER" ]; then - PRINT_HEADER= - echo "# This file was automatically generated by the $0" - echo "# program, run by the cd-aliases-generator.rules rules file." - echo "#" - echo "# You can modify it, as long as you keep each rule on a single" - echo "# line, and set the \$GENERATED variable." - echo "" - fi - - [ "$comment" ] && echo "# $comment" - echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\"" - } >> $RULES_FILE - SYMLINKS="$SYMLINKS $link" + local match="$1" + local link="$2" + local comment="$3" + + { + if [ "$PRINT_HEADER" ]; then + PRINT_HEADER= + echo "# This file was automatically generated by the $0" + echo "# program, run by the cd-aliases-generator.rules rules file." + echo "#" + echo "# You can modify it, as long as you keep each rule on a single" + echo "# line, and set the \$GENERATED variable." + echo "" + fi + + [ "$comment" ] && echo "# $comment" + echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\"" + } >> $RULES_FILE + SYMLINKS="$SYMLINKS $link" } if [ -z "$DEVPATH" ]; then - echo "Missing \$DEVPATH." >&2 - exit 1 + echo "Missing \$DEVPATH." >&2 + exit 1 fi if [ -z "$ID_CDROM" ]; then - echo "$DEVPATH is not a CD reader." >&2 - exit 1 + echo "$DEVPATH is not a CD reader." >&2 + exit 1 fi if [ "$1" ]; then - METHOD="$1" + METHOD="$1" else - METHOD='by-path' + METHOD='by-path' fi case "$METHOD" in - by-path) - if [ -z "$ID_PATH" ]; then - echo "$DEVPATH not supported by path_id. by-id may work." >&2 - exit 1 - fi - RULE="ENV{ID_PATH}==\"$ID_PATH\"" - ;; - - by-id) - if [ "$ID_SERIAL" ]; then - RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\"" - elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then - RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\"" - else - echo "$DEVPATH not supported by ata_id. by-path may work." >&2 - exit 1 - fi - ;; - - *) - echo "Invalid argument (must be either by-path or by-id)." >&2 - exit 1 - ;; + by-path) + if [ -z "$ID_PATH" ]; then + echo "$DEVPATH not supported by path_id. by-id may work." >&2 + exit 1 + fi + RULE="ENV{ID_PATH}==\"$ID_PATH\"" + ;; + + by-id) + if [ "$ID_SERIAL" ]; then + RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\"" + elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then + RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\"" + else + echo "$DEVPATH not supported by ata_id. by-path may work." >&2 + exit 1 + fi + ;; + + *) + echo "Invalid argument (must be either by-path or by-id)." >&2 + exit 1 + ;; esac # Prevent concurrent processes from modifying the file at the same time. @@ -110,13 +110,13 @@ match="SUBSYSTEM==\"block\", ENV{ID_CDROM}==\"?*\", $RULE" comment="$ID_MODEL ($ID_PATH)" - write_rule "$match" "cdrom$link_num" "$comment" + write_rule "$match" "cdrom$link_num" "$comment" [ "$ID_CDROM_CD_R" -o "$ID_CDROM_CD_RW" ] && \ - write_rule "$match" "cdrw$link_num" + write_rule "$match" "cdrw$link_num" [ "$ID_CDROM_DVD" ] && \ - write_rule "$match" "dvd$link_num" + write_rule "$match" "dvd$link_num" [ "$ID_CDROM_DVD_R" -o "$ID_CDROM_DVD_RW" -o "$ID_CDROM_DVD_RAM" ] && \ - write_rule "$match" "dvdrw$link_num" + write_rule "$match" "dvdrw$link_num" echo >> $RULES_FILE unlock_rules_file diff --git a/src/extras/rule_generator/write_net_rules b/src/extras/rule_generator/write_net_rules index 437979241..bcea4b09d 100644 --- a/src/extras/rule_generator/write_net_rules +++ b/src/extras/rule_generator/write_net_rules @@ -33,9 +33,9 @@ # debug, if UDEV_LOG= if [ -n "$UDEV_LOG" ]; then - if [ "$UDEV_LOG" -ge 7 ]; then - set -x - fi + if [ "$UDEV_LOG" -ge 7 ]; then + set -x + fi fi RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules' @@ -43,42 +43,42 @@ RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules' . /lib/udev/rule_generator.functions interface_name_taken() { - local value="$(find_all_rules 'NAME=' $INTERFACE)" - if [ "$value" ]; then - return 0 - else - return 1 - fi + local value="$(find_all_rules 'NAME=' $INTERFACE)" + if [ "$value" ]; then + return 0 + else + return 1 + fi } find_next_available() { - raw_find_next_available "$(find_all_rules 'NAME=' "$1")" + raw_find_next_available "$(find_all_rules 'NAME=' "$1")" } write_rule() { - local match="$1" - local name="$2" - local comment="$3" - - { - if [ "$PRINT_HEADER" ]; then - PRINT_HEADER= - echo "# This file was automatically generated by the $0" - echo "# program, run by the persistent-net-generator.rules rules file." - echo "#" - echo "# You can modify it, as long as you keep each rule on a single" - echo "# line, and change only the value of the NAME= key." - fi - - echo "" - [ "$comment" ] && echo "# $comment" - echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\"" - } >> $RULES_FILE + local match="$1" + local name="$2" + local comment="$3" + + { + if [ "$PRINT_HEADER" ]; then + PRINT_HEADER= + echo "# This file was automatically generated by the $0" + echo "# program, run by the persistent-net-generator.rules rules file." + echo "#" + echo "# You can modify it, as long as you keep each rule on a single" + echo "# line, and change only the value of the NAME= key." + fi + + echo "" + [ "$comment" ] && echo "# $comment" + echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\"" + } >> $RULES_FILE } if [ -z "$INTERFACE" ]; then - echo "missing \$INTERFACE" >&2 - exit 1 + echo "missing \$INTERFACE" >&2 + exit 1 fi # Prevent concurrent processes from modifying the file at the same time. @@ -89,49 +89,49 @@ choose_rules_file # the DRIVERS key is needed to not match bridges and VLAN sub-interfaces if [ "$MATCHADDR" ]; then - match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\"" + match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\"" fi if [ "$MATCHDRV" ]; then - match="$match, DRIVERS==\"$MATCHDRV\"" + match="$match, DRIVERS==\"$MATCHDRV\"" fi if [ "$MATCHDEVID" ]; then - match="$match, ATTR{dev_id}==\"$MATCHDEVID\"" + match="$match, ATTR{dev_id}==\"$MATCHDEVID\"" fi if [ "$MATCHID" ]; then - match="$match, KERNELS==\"$MATCHID\"" + match="$match, KERNELS==\"$MATCHID\"" fi if [ "$MATCHIFTYPE" ]; then - match="$match, ATTR{type}==\"$MATCHIFTYPE\"" + match="$match, ATTR{type}==\"$MATCHIFTYPE\"" fi if [ -z "$match" ]; then - echo "missing valid match" >&2 - unlock_rules_file - exit 1 + echo "missing valid match" >&2 + unlock_rules_file + exit 1 fi basename=${INTERFACE%%[0-9]*} match="$match, KERNEL==\"$basename*\"" if [ "$INTERFACE_NAME" ]; then - # external tools may request a custom name - COMMENT="$COMMENT (custom name provided by external tool)" - if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then - INTERFACE=$INTERFACE_NAME; - echo "INTERFACE_NEW=$INTERFACE" - fi + # external tools may request a custom name + COMMENT="$COMMENT (custom name provided by external tool)" + if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then + INTERFACE=$INTERFACE_NAME; + echo "INTERFACE_NEW=$INTERFACE" + fi else - # if a rule using the current name already exists, find a new name - if interface_name_taken; then - INTERFACE="$basename$(find_next_available "$basename[0-9]*")" - # prevent INTERFACE from being "eth" instead of "eth0" - [ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0 - echo "INTERFACE_NEW=$INTERFACE" - fi + # if a rule using the current name already exists, find a new name + if interface_name_taken; then + INTERFACE="$basename$(find_next_available "$basename[0-9]*")" + # prevent INTERFACE from being "eth" instead of "eth0" + [ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0 + echo "INTERFACE_NEW=$INTERFACE" + fi fi write_rule "$match" "$INTERFACE" "$COMMENT" diff --git a/src/extras/scsi_id/scsi.h b/src/extras/scsi_id/scsi.h index 8e9ce406b..c423cac57 100644 --- a/src/extras/scsi_id/scsi.h +++ b/src/extras/scsi_id/scsi.h @@ -5,39 +5,39 @@ * * Copyright (C) IBM Corp. 2003 * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation version 2 of the License. + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation version 2 of the License. */ #include struct scsi_ioctl_command { - unsigned int inlen; /* excluding scsi command length */ - unsigned int outlen; - unsigned char data[1]; - /* on input, scsi command starts here then opt. data */ + unsigned int inlen; /* excluding scsi command length */ + unsigned int outlen; + unsigned char data[1]; + /* on input, scsi command starts here then opt. data */ }; /* * Default 5 second timeout */ -#define DEF_TIMEOUT 5000 +#define DEF_TIMEOUT 5000 -#define SENSE_BUFF_LEN 32 +#define SENSE_BUFF_LEN 32 /* * The request buffer size passed to the SCSI INQUIRY commands, use 254, * as this is a nice value for some devices, especially some of the usb * mass storage devices. */ -#define SCSI_INQ_BUFF_LEN 254 +#define SCSI_INQ_BUFF_LEN 254 /* * SCSI INQUIRY vendor and model (really product) lengths. */ -#define VENDOR_LENGTH 8 -#define MODEL_LENGTH 16 +#define VENDOR_LENGTH 8 +#define MODEL_LENGTH 16 #define INQUIRY_CMD 0x12 #define INQUIRY_CMDLEN 6 @@ -50,34 +50,34 @@ struct scsi_ioctl_command { /* * id type values of id descriptors. These are assumed to fit in 4 bits. */ -#define SCSI_ID_VENDOR_SPECIFIC 0 -#define SCSI_ID_T10_VENDOR 1 -#define SCSI_ID_EUI_64 2 -#define SCSI_ID_NAA 3 -#define SCSI_ID_RELPORT 4 -#define SCSI_ID_TGTGROUP 5 -#define SCSI_ID_LUNGROUP 6 -#define SCSI_ID_MD5 7 -#define SCSI_ID_NAME 8 +#define SCSI_ID_VENDOR_SPECIFIC 0 +#define SCSI_ID_T10_VENDOR 1 +#define SCSI_ID_EUI_64 2 +#define SCSI_ID_NAA 3 +#define SCSI_ID_RELPORT 4 +#define SCSI_ID_TGTGROUP 5 +#define SCSI_ID_LUNGROUP 6 +#define SCSI_ID_MD5 7 +#define SCSI_ID_NAME 8 /* * Supported NAA values. These fit in 4 bits, so the "don't care" value * cannot conflict with real values. */ -#define SCSI_ID_NAA_DONT_CARE 0xff -#define SCSI_ID_NAA_IEEE_REG 5 -#define SCSI_ID_NAA_IEEE_REG_EXTENDED 6 +#define SCSI_ID_NAA_DONT_CARE 0xff +#define SCSI_ID_NAA_IEEE_REG 5 +#define SCSI_ID_NAA_IEEE_REG_EXTENDED 6 /* * Supported Code Set values. */ -#define SCSI_ID_BINARY 1 -#define SCSI_ID_ASCII 2 +#define SCSI_ID_BINARY 1 +#define SCSI_ID_ASCII 2 struct scsi_id_search_values { - u_char id_type; - u_char naa_type; - u_char code_set; + u_char id_type; + u_char naa_type; + u_char code_set; }; /* diff --git a/src/extras/scsi_id/scsi_id.c b/src/extras/scsi_id/scsi_id.c index da81d083c..9bb0d7f53 100644 --- a/src/extras/scsi_id/scsi_id.c +++ b/src/extras/scsi_id/scsi_id.c @@ -34,18 +34,18 @@ #include "scsi_id.h" static const struct option options[] = { - { "device", required_argument, NULL, 'd' }, - { "config", required_argument, NULL, 'f' }, - { "page", required_argument, NULL, 'p' }, - { "blacklisted", no_argument, NULL, 'b' }, - { "whitelisted", no_argument, NULL, 'g' }, - { "replace-whitespace", no_argument, NULL, 'u' }, - { "sg-version", required_argument, NULL, 's' }, - { "verbose", no_argument, NULL, 'v' }, - { "version", no_argument, NULL, 'V' }, - { "export", no_argument, NULL, 'x' }, - { "help", no_argument, NULL, 'h' }, - {} + { "device", required_argument, NULL, 'd' }, + { "config", required_argument, NULL, 'f' }, + { "page", required_argument, NULL, 'p' }, + { "blacklisted", no_argument, NULL, 'b' }, + { "whitelisted", no_argument, NULL, 'g' }, + { "replace-whitespace", no_argument, NULL, 'u' }, + { "sg-version", required_argument, NULL, 's' }, + { "verbose", no_argument, NULL, 'v' }, + { "version", no_argument, NULL, 'V' }, + { "export", no_argument, NULL, 'x' }, + { "help", no_argument, NULL, 'h' }, + {} }; static const char short_options[] = "d:f:ghip:uvVx"; @@ -68,47 +68,47 @@ static char revision_str[16]; static char type_str[16]; static void log_fn(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - vsyslog(priority, format, args); + vsyslog(priority, format, args); } static void set_type(const char *from, char *to, size_t len) { - int type_num; - char *eptr; - char *type = "generic"; - - type_num = strtoul(from, &eptr, 0); - if (eptr != from) { - switch (type_num) { - case 0: - type = "disk"; - break; - case 1: - type = "tape"; - break; - case 4: - type = "optical"; - break; - case 5: - type = "cd"; - break; - case 7: - type = "optical"; - break; - case 0xe: - type = "disk"; - break; - case 0xf: - type = "optical"; - break; - default: - break; - } - } - util_strscpy(to, len, type); + int type_num; + char *eptr; + char *type = "generic"; + + type_num = strtoul(from, &eptr, 0); + if (eptr != from) { + switch (type_num) { + case 0: + type = "disk"; + break; + case 1: + type = "tape"; + break; + case 4: + type = "optical"; + break; + case 5: + type = "cd"; + break; + case 7: + type = "optical"; + break; + case 0xe: + type = "disk"; + break; + case 0xf: + type = "optical"; + break; + default: + break; + } + } + util_strscpy(to, len, type); } /* @@ -122,40 +122,40 @@ static void set_type(const char *from, char *to, size_t len) */ static char *get_value(char **buffer) { - static char *quote_string = "\"\n"; - static char *comma_string = ",\n"; - char *val; - char *end; - - if (**buffer == '"') { - /* - * skip leading quote, terminate when quote seen - */ - (*buffer)++; - end = quote_string; - } else { - end = comma_string; - } - val = strsep(buffer, end); - if (val && end == quote_string) - /* - * skip trailing quote - */ - (*buffer)++; - - while (isspace(**buffer)) - (*buffer)++; - - return val; + static char *quote_string = "\"\n"; + static char *comma_string = ",\n"; + char *val; + char *end; + + if (**buffer == '"') { + /* + * skip leading quote, terminate when quote seen + */ + (*buffer)++; + end = quote_string; + } else { + end = comma_string; + } + val = strsep(buffer, end); + if (val && end == quote_string) + /* + * skip trailing quote + */ + (*buffer)++; + + while (isspace(**buffer)) + (*buffer)++; + + return val; } static int argc_count(char *opts) { - int i = 0; - while (*opts != '\0') - if (*opts++ == ' ') - i++; - return i; + int i = 0; + while (*opts != '\0') + if (*opts++ == ' ') + i++; + return i; } /* @@ -168,356 +168,356 @@ static int argc_count(char *opts) * vendor and model can end in '\n'. */ static int get_file_options(struct udev *udev, - const char *vendor, const char *model, - int *argc, char ***newargv) + const char *vendor, const char *model, + int *argc, char ***newargv) { - char *buffer; - FILE *fd; - char *buf; - char *str1; - char *vendor_in, *model_in, *options_in; /* read in from file */ - int lineno; - int c; - int retval = 0; - - dbg(udev, "vendor='%s'; model='%s'\n", vendor, model); - fd = fopen(config_file, "r"); - if (fd == NULL) { - dbg(udev, "can't open %s\n", config_file); - if (errno == ENOENT) { - return 1; - } else { - err(udev, "can't open %s: %s\n", config_file, strerror(errno)); - return -1; - } - } - - /* - * Allocate a buffer rather than put it on the stack so we can - * keep it around to parse any options (any allocated newargv - * points into this buffer for its strings). - */ - buffer = malloc(MAX_BUFFER_LEN); - if (!buffer) { - fclose(fd); - err(udev, "can't allocate memory\n"); - return -1; - } - - *newargv = NULL; - lineno = 0; - while (1) { - vendor_in = model_in = options_in = NULL; - - buf = fgets(buffer, MAX_BUFFER_LEN, fd); - if (buf == NULL) - break; - lineno++; - if (buf[strlen(buffer) - 1] != '\n') { - err(udev, "Config file line %d too long\n", lineno); - break; - } - - while (isspace(*buf)) - buf++; - - /* blank or all whitespace line */ - if (*buf == '\0') - continue; - - /* comment line */ - if (*buf == '#') - continue; - - dbg(udev, "lineno %d: '%s'\n", lineno, buf); - str1 = strsep(&buf, "="); - if (str1 && strcasecmp(str1, "VENDOR") == 0) { - str1 = get_value(&buf); - if (!str1) { - retval = -1; - break; - } - vendor_in = str1; - - str1 = strsep(&buf, "="); - if (str1 && strcasecmp(str1, "MODEL") == 0) { - str1 = get_value(&buf); - if (!str1) { - retval = -1; - break; - } - model_in = str1; - str1 = strsep(&buf, "="); - } - } - - if (str1 && strcasecmp(str1, "OPTIONS") == 0) { - str1 = get_value(&buf); - if (!str1) { - retval = -1; - break; - } - options_in = str1; - } - dbg(udev, "config file line %d:\n" - " vendor '%s'; model '%s'; options '%s'\n", - lineno, vendor_in, model_in, options_in); - /* - * Only allow: [vendor=foo[,model=bar]]options=stuff - */ - if (!options_in || (!vendor_in && model_in)) { - err(udev, "Error parsing config file line %d '%s'\n", lineno, buffer); - retval = -1; - break; - } - if (vendor == NULL) { - if (vendor_in == NULL) { - dbg(udev, "matched global option\n"); - break; - } - } else if ((vendor_in && strncmp(vendor, vendor_in, - strlen(vendor_in)) == 0) && - (!model_in || (strncmp(model, model_in, - strlen(model_in)) == 0))) { - /* - * Matched vendor and optionally model. - * - * Note: a short vendor_in or model_in can - * give a partial match (that is FOO - * matches FOOBAR). - */ - dbg(udev, "matched vendor/model\n"); - break; - } else { - dbg(udev, "no match\n"); - } - } - - if (retval == 0) { - if (vendor_in != NULL || model_in != NULL || - options_in != NULL) { - /* - * Something matched. Allocate newargv, and store - * values found in options_in. - */ - strcpy(buffer, options_in); - c = argc_count(buffer) + 2; - *newargv = calloc(c, sizeof(**newargv)); - if (!*newargv) { - err(udev, "can't allocate memory\n"); - retval = -1; - } else { - *argc = c; - c = 0; - /* - * argv[0] at 0 is skipped by getopt, but - * store the buffer address there for - * later freeing - */ - (*newargv)[c] = buffer; - for (c = 1; c < *argc; c++) - (*newargv)[c] = strsep(&buffer, " \t"); - } - } else { - /* No matches */ - retval = 1; - } - } - if (retval != 0) - free(buffer); - fclose(fd); - return retval; + char *buffer; + FILE *fd; + char *buf; + char *str1; + char *vendor_in, *model_in, *options_in; /* read in from file */ + int lineno; + int c; + int retval = 0; + + dbg(udev, "vendor='%s'; model='%s'\n", vendor, model); + fd = fopen(config_file, "r"); + if (fd == NULL) { + dbg(udev, "can't open %s\n", config_file); + if (errno == ENOENT) { + return 1; + } else { + err(udev, "can't open %s: %s\n", config_file, strerror(errno)); + return -1; + } + } + + /* + * Allocate a buffer rather than put it on the stack so we can + * keep it around to parse any options (any allocated newargv + * points into this buffer for its strings). + */ + buffer = malloc(MAX_BUFFER_LEN); + if (!buffer) { + fclose(fd); + err(udev, "can't allocate memory\n"); + return -1; + } + + *newargv = NULL; + lineno = 0; + while (1) { + vendor_in = model_in = options_in = NULL; + + buf = fgets(buffer, MAX_BUFFER_LEN, fd); + if (buf == NULL) + break; + lineno++; + if (buf[strlen(buffer) - 1] != '\n') { + err(udev, "Config file line %d too long\n", lineno); + break; + } + + while (isspace(*buf)) + buf++; + + /* blank or all whitespace line */ + if (*buf == '\0') + continue; + + /* comment line */ + if (*buf == '#') + continue; + + dbg(udev, "lineno %d: '%s'\n", lineno, buf); + str1 = strsep(&buf, "="); + if (str1 && strcasecmp(str1, "VENDOR") == 0) { + str1 = get_value(&buf); + if (!str1) { + retval = -1; + break; + } + vendor_in = str1; + + str1 = strsep(&buf, "="); + if (str1 && strcasecmp(str1, "MODEL") == 0) { + str1 = get_value(&buf); + if (!str1) { + retval = -1; + break; + } + model_in = str1; + str1 = strsep(&buf, "="); + } + } + + if (str1 && strcasecmp(str1, "OPTIONS") == 0) { + str1 = get_value(&buf); + if (!str1) { + retval = -1; + break; + } + options_in = str1; + } + dbg(udev, "config file line %d:\n" + " vendor '%s'; model '%s'; options '%s'\n", + lineno, vendor_in, model_in, options_in); + /* + * Only allow: [vendor=foo[,model=bar]]options=stuff + */ + if (!options_in || (!vendor_in && model_in)) { + err(udev, "Error parsing config file line %d '%s'\n", lineno, buffer); + retval = -1; + break; + } + if (vendor == NULL) { + if (vendor_in == NULL) { + dbg(udev, "matched global option\n"); + break; + } + } else if ((vendor_in && strncmp(vendor, vendor_in, + strlen(vendor_in)) == 0) && + (!model_in || (strncmp(model, model_in, + strlen(model_in)) == 0))) { + /* + * Matched vendor and optionally model. + * + * Note: a short vendor_in or model_in can + * give a partial match (that is FOO + * matches FOOBAR). + */ + dbg(udev, "matched vendor/model\n"); + break; + } else { + dbg(udev, "no match\n"); + } + } + + if (retval == 0) { + if (vendor_in != NULL || model_in != NULL || + options_in != NULL) { + /* + * Something matched. Allocate newargv, and store + * values found in options_in. + */ + strcpy(buffer, options_in); + c = argc_count(buffer) + 2; + *newargv = calloc(c, sizeof(**newargv)); + if (!*newargv) { + err(udev, "can't allocate memory\n"); + retval = -1; + } else { + *argc = c; + c = 0; + /* + * argv[0] at 0 is skipped by getopt, but + * store the buffer address there for + * later freeing + */ + (*newargv)[c] = buffer; + for (c = 1; c < *argc; c++) + (*newargv)[c] = strsep(&buffer, " \t"); + } + } else { + /* No matches */ + retval = 1; + } + } + if (retval != 0) + free(buffer); + fclose(fd); + return retval; } static int set_options(struct udev *udev, - int argc, char **argv, const char *short_opts, - char *maj_min_dev) + int argc, char **argv, const char *short_opts, + char *maj_min_dev) { - int option; - - /* - * optind is a global extern used by getopt. Since we can call - * set_options twice (once for command line, and once for config - * file) we have to reset this back to 1. - */ - optind = 1; - while (1) { - option = getopt_long(argc, argv, short_opts, options, NULL); - if (option == -1) - break; - - if (optarg) - dbg(udev, "option '%c' arg '%s'\n", option, optarg); - else - dbg(udev, "option '%c'\n", option); - - switch (option) { - case 'b': - all_good = 0; - break; - - case 'd': - dev_specified = 1; - util_strscpy(maj_min_dev, MAX_PATH_LEN, optarg); - break; - - case 'e': - use_stderr = 1; - break; - - case 'f': - util_strscpy(config_file, MAX_PATH_LEN, optarg); - break; - - case 'g': - all_good = 1; - break; - - case 'h': - printf("Usage: scsi_id OPTIONS \n" - " --device= device node for SG_IO commands\n" - " --config= location of config file\n" - " --page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n" - " --sg-version=3|4 use SGv3 or SGv4\n" - " --blacklisted threat device as blacklisted\n" - " --whitelisted threat device as whitelisted\n" - " --replace-whitespace replace all whitespaces by underscores\n" - " --verbose verbose logging\n" - " --version print version\n" - " --export print values as environment keys\n" - " --help print this help text\n\n"); - exit(0); - - case 'p': - if (strcmp(optarg, "0x80") == 0) { - default_page_code = PAGE_80; - } else if (strcmp(optarg, "0x83") == 0) { - default_page_code = PAGE_83; - } else if (strcmp(optarg, "pre-spc3-83") == 0) { - default_page_code = PAGE_83_PRE_SPC3; - } else { - err(udev, "Unknown page code '%s'\n", optarg); - return -1; - } - break; - - case 's': - sg_version = atoi(optarg); - if (sg_version < 3 || sg_version > 4) { - err(udev, "Unknown SG version '%s'\n", optarg); - return -1; - } - break; - - case 'u': - reformat_serial = 1; - break; - - case 'x': - export = 1; - break; - - case 'v': - debug++; - break; - - case 'V': - printf("%s\n", VERSION); - exit(0); - break; - - default: - exit(1); - } - } - if (optind < argc && !dev_specified) { - dev_specified = 1; - util_strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]); - } - return 0; + int option; + + /* + * optind is a global extern used by getopt. Since we can call + * set_options twice (once for command line, and once for config + * file) we have to reset this back to 1. + */ + optind = 1; + while (1) { + option = getopt_long(argc, argv, short_opts, options, NULL); + if (option == -1) + break; + + if (optarg) + dbg(udev, "option '%c' arg '%s'\n", option, optarg); + else + dbg(udev, "option '%c'\n", option); + + switch (option) { + case 'b': + all_good = 0; + break; + + case 'd': + dev_specified = 1; + util_strscpy(maj_min_dev, MAX_PATH_LEN, optarg); + break; + + case 'e': + use_stderr = 1; + break; + + case 'f': + util_strscpy(config_file, MAX_PATH_LEN, optarg); + break; + + case 'g': + all_good = 1; + break; + + case 'h': + printf("Usage: scsi_id OPTIONS \n" + " --device= device node for SG_IO commands\n" + " --config= location of config file\n" + " --page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n" + " --sg-version=3|4 use SGv3 or SGv4\n" + " --blacklisted threat device as blacklisted\n" + " --whitelisted threat device as whitelisted\n" + " --replace-whitespace replace all whitespaces by underscores\n" + " --verbose verbose logging\n" + " --version print version\n" + " --export print values as environment keys\n" + " --help print this help text\n\n"); + exit(0); + + case 'p': + if (strcmp(optarg, "0x80") == 0) { + default_page_code = PAGE_80; + } else if (strcmp(optarg, "0x83") == 0) { + default_page_code = PAGE_83; + } else if (strcmp(optarg, "pre-spc3-83") == 0) { + default_page_code = PAGE_83_PRE_SPC3; + } else { + err(udev, "Unknown page code '%s'\n", optarg); + return -1; + } + break; + + case 's': + sg_version = atoi(optarg); + if (sg_version < 3 || sg_version > 4) { + err(udev, "Unknown SG version '%s'\n", optarg); + return -1; + } + break; + + case 'u': + reformat_serial = 1; + break; + + case 'x': + export = 1; + break; + + case 'v': + debug++; + break; + + case 'V': + printf("%s\n", VERSION); + exit(0); + break; + + default: + exit(1); + } + } + if (optind < argc && !dev_specified) { + dev_specified = 1; + util_strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]); + } + return 0; } static int per_dev_options(struct udev *udev, - struct scsi_id_device *dev_scsi, int *good_bad, int *page_code) + struct scsi_id_device *dev_scsi, int *good_bad, int *page_code) { - int retval; - int newargc; - char **newargv = NULL; - int option; - - *good_bad = all_good; - *page_code = default_page_code; - - retval = get_file_options(udev, vendor_str, model_str, &newargc, &newargv); - - optind = 1; /* reset this global extern */ - while (retval == 0) { - option = getopt_long(newargc, newargv, dev_short_options, options, NULL); - if (option == -1) - break; - - if (optarg) - dbg(udev, "option '%c' arg '%s'\n", option, optarg); - else - dbg(udev, "option '%c'\n", option); - - switch (option) { - case 'b': - *good_bad = 0; - break; - - case 'g': - *good_bad = 1; - break; - - case 'p': - if (strcmp(optarg, "0x80") == 0) { - *page_code = PAGE_80; - } else if (strcmp(optarg, "0x83") == 0) { - *page_code = PAGE_83; - } else if (strcmp(optarg, "pre-spc3-83") == 0) { - *page_code = PAGE_83_PRE_SPC3; - } else { - err(udev, "Unknown page code '%s'\n", optarg); - retval = -1; - } - break; - - default: - err(udev, "Unknown or bad option '%c' (0x%x)\n", option, option); - retval = -1; - break; - } - } - - if (newargv) { - free(newargv[0]); - free(newargv); - } - return retval; + int retval; + int newargc; + char **newargv = NULL; + int option; + + *good_bad = all_good; + *page_code = default_page_code; + + retval = get_file_options(udev, vendor_str, model_str, &newargc, &newargv); + + optind = 1; /* reset this global extern */ + while (retval == 0) { + option = getopt_long(newargc, newargv, dev_short_options, options, NULL); + if (option == -1) + break; + + if (optarg) + dbg(udev, "option '%c' arg '%s'\n", option, optarg); + else + dbg(udev, "option '%c'\n", option); + + switch (option) { + case 'b': + *good_bad = 0; + break; + + case 'g': + *good_bad = 1; + break; + + case 'p': + if (strcmp(optarg, "0x80") == 0) { + *page_code = PAGE_80; + } else if (strcmp(optarg, "0x83") == 0) { + *page_code = PAGE_83; + } else if (strcmp(optarg, "pre-spc3-83") == 0) { + *page_code = PAGE_83_PRE_SPC3; + } else { + err(udev, "Unknown page code '%s'\n", optarg); + retval = -1; + } + break; + + default: + err(udev, "Unknown or bad option '%c' (0x%x)\n", option, option); + retval = -1; + break; + } + } + + if (newargv) { + free(newargv[0]); + free(newargv); + } + return retval; } static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, const char *path) { - int retval; + int retval; - dev_scsi->use_sg = sg_version; + dev_scsi->use_sg = sg_version; - retval = scsi_std_inquiry(udev, dev_scsi, path); - if (retval) - return retval; + retval = scsi_std_inquiry(udev, dev_scsi, path); + if (retval) + return retval; - udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str)); - udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str)); + udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str)); + udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str)); - util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str)); - util_replace_chars(vendor_str, NULL); - util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str)); - util_replace_chars(model_str, NULL); - set_type(dev_scsi->type, type_str, sizeof(type_str)); - util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str)); - util_replace_chars(revision_str, NULL); - return 0; + util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str)); + util_replace_chars(vendor_str, NULL); + util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str)); + util_replace_chars(model_str, NULL); + set_type(dev_scsi->type, type_str, sizeof(type_str)); + util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str)); + util_replace_chars(revision_str, NULL); + return 0; } /* @@ -526,132 +526,132 @@ static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, co */ static int scsi_id(struct udev *udev, char *maj_min_dev) { - struct scsi_id_device dev_scsi; - int good_dev; - int page_code; - int retval = 0; - - memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device)); - - if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) { - retval = 1; - goto out; - } - - /* get per device (vendor + model) options from the config file */ - per_dev_options(udev, &dev_scsi, &good_dev, &page_code); - dbg(udev, "per dev options: good %d; page code 0x%x\n", good_dev, page_code); - if (!good_dev) { - retval = 1; - goto out; - } - - /* read serial number from mode pages (no values for optical drives) */ - scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN); - - if (export) { - char serial_str[MAX_SERIAL_LEN]; - - printf("ID_SCSI=1\n"); - printf("ID_VENDOR=%s\n", vendor_str); - printf("ID_VENDOR_ENC=%s\n", vendor_enc_str); - printf("ID_MODEL=%s\n", model_str); - printf("ID_MODEL_ENC=%s\n", model_enc_str); - printf("ID_REVISION=%s\n", revision_str); - printf("ID_TYPE=%s\n", type_str); - if (dev_scsi.serial[0] != '\0') { - util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); - util_replace_chars(serial_str, NULL); - printf("ID_SERIAL=%s\n", serial_str); - util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str)); - util_replace_chars(serial_str, NULL); - printf("ID_SERIAL_SHORT=%s\n", serial_str); - } - if (dev_scsi.wwn[0] != '\0') { - printf("ID_WWN=0x%s\n", dev_scsi.wwn); - if (dev_scsi.wwn_vendor_extension[0] != '\0') { - printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension); - printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension); - } else { - printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn); - } - } - if (dev_scsi.tgpt_group[0] != '\0') { - printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group); - } - if (dev_scsi.unit_serial_number[0] != '\0') { - printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number); - } - goto out; - } - - if (dev_scsi.serial[0] == '\0') { - retval = 1; - goto out; - } - - if (reformat_serial) { - char serial_str[MAX_SERIAL_LEN]; - - util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); - util_replace_chars(serial_str, NULL); - printf("%s\n", serial_str); - goto out; - } - - printf("%s\n", dev_scsi.serial); + struct scsi_id_device dev_scsi; + int good_dev; + int page_code; + int retval = 0; + + memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device)); + + if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) { + retval = 1; + goto out; + } + + /* get per device (vendor + model) options from the config file */ + per_dev_options(udev, &dev_scsi, &good_dev, &page_code); + dbg(udev, "per dev options: good %d; page code 0x%x\n", good_dev, page_code); + if (!good_dev) { + retval = 1; + goto out; + } + + /* read serial number from mode pages (no values for optical drives) */ + scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN); + + if (export) { + char serial_str[MAX_SERIAL_LEN]; + + printf("ID_SCSI=1\n"); + printf("ID_VENDOR=%s\n", vendor_str); + printf("ID_VENDOR_ENC=%s\n", vendor_enc_str); + printf("ID_MODEL=%s\n", model_str); + printf("ID_MODEL_ENC=%s\n", model_enc_str); + printf("ID_REVISION=%s\n", revision_str); + printf("ID_TYPE=%s\n", type_str); + if (dev_scsi.serial[0] != '\0') { + util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); + util_replace_chars(serial_str, NULL); + printf("ID_SERIAL=%s\n", serial_str); + util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str)); + util_replace_chars(serial_str, NULL); + printf("ID_SERIAL_SHORT=%s\n", serial_str); + } + if (dev_scsi.wwn[0] != '\0') { + printf("ID_WWN=0x%s\n", dev_scsi.wwn); + if (dev_scsi.wwn_vendor_extension[0] != '\0') { + printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension); + printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension); + } else { + printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn); + } + } + if (dev_scsi.tgpt_group[0] != '\0') { + printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group); + } + if (dev_scsi.unit_serial_number[0] != '\0') { + printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number); + } + goto out; + } + + if (dev_scsi.serial[0] == '\0') { + retval = 1; + goto out; + } + + if (reformat_serial) { + char serial_str[MAX_SERIAL_LEN]; + + util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); + util_replace_chars(serial_str, NULL); + printf("%s\n", serial_str); + goto out; + } + + printf("%s\n", dev_scsi.serial); out: - return retval; + return retval; } int main(int argc, char **argv) { - struct udev *udev; - int retval = 0; - char maj_min_dev[MAX_PATH_LEN]; - int newargc; - char **newargv; - - udev = udev_new(); - if (udev == NULL) - goto exit; - - udev_log_init("scsi_id"); - udev_set_log_fn(udev, log_fn); - - /* - * Get config file options. - */ - newargv = NULL; - retval = get_file_options(udev, NULL, NULL, &newargc, &newargv); - if (retval < 0) { - retval = 1; - goto exit; - } - if (newargv && (retval == 0)) { - if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) { - retval = 2; - goto exit; - } - free(newargv); - } - - /* - * Get command line options (overriding any config file settings). - */ - if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0) - exit(1); - - if (!dev_specified) { - err(udev, "no device specified\n"); - retval = 1; - goto exit; - } - - retval = scsi_id(udev, maj_min_dev); + struct udev *udev; + int retval = 0; + char maj_min_dev[MAX_PATH_LEN]; + int newargc; + char **newargv; + + udev = udev_new(); + if (udev == NULL) + goto exit; + + udev_log_init("scsi_id"); + udev_set_log_fn(udev, log_fn); + + /* + * Get config file options. + */ + newargv = NULL; + retval = get_file_options(udev, NULL, NULL, &newargc, &newargv); + if (retval < 0) { + retval = 1; + goto exit; + } + if (newargv && (retval == 0)) { + if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) { + retval = 2; + goto exit; + } + free(newargv); + } + + /* + * Get command line options (overriding any config file settings). + */ + if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0) + exit(1); + + if (!dev_specified) { + err(udev, "no device specified\n"); + retval = 1; + goto exit; + } + + retval = scsi_id(udev, maj_min_dev); exit: - udev_unref(udev); - udev_log_close(); - return retval; + udev_unref(udev); + udev_log_close(); + return retval; } diff --git a/src/extras/scsi_id/scsi_id.h b/src/extras/scsi_id/scsi_id.h index a28f5e073..828a98305 100644 --- a/src/extras/scsi_id/scsi_id.h +++ b/src/extras/scsi_id/scsi_id.h @@ -15,35 +15,35 @@ * along with this program. If not, see . */ -#define MAX_PATH_LEN 512 +#define MAX_PATH_LEN 512 /* * MAX_ATTR_LEN: maximum length of the result of reading a sysfs * attribute. */ -#define MAX_ATTR_LEN 256 +#define MAX_ATTR_LEN 256 /* * MAX_SERIAL_LEN: the maximum length of the serial number, including * added prefixes such as vendor and product (model) strings. */ -#define MAX_SERIAL_LEN 256 +#define MAX_SERIAL_LEN 256 /* * MAX_BUFFER_LEN: maximum buffer size and line length used while reading * the config file. */ -#define MAX_BUFFER_LEN 256 +#define MAX_BUFFER_LEN 256 struct scsi_id_device { - char vendor[9]; - char model[17]; - char revision[5]; - char type[33]; - char kernel[64]; - char serial[MAX_SERIAL_LEN]; - char serial_short[MAX_SERIAL_LEN]; - int use_sg; + char vendor[9]; + char model[17]; + char revision[5]; + char type[33]; + char kernel[64]; + char serial[MAX_SERIAL_LEN]; + char serial_short[MAX_SERIAL_LEN]; + int use_sg; /* Always from page 0x80 e.g. 'B3G1P8500RWT' - may not be unique */ char unit_serial_number[MAX_SERIAL_LEN]; @@ -54,20 +54,20 @@ struct scsi_id_device { /* NULs if not set - otherwise hex encoding using lower-case e.g. '0xe00000d80000' */ char wwn_vendor_extension[17]; - /* NULs if not set - otherwise decimal number */ - char tgpt_group[8]; + /* NULs if not set - otherwise decimal number */ + char tgpt_group[8]; }; extern int scsi_std_inquiry(struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname); extern int scsi_get_serial (struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname, - int page_code, int len); + int page_code, int len); /* * Page code values. */ enum page_code { - PAGE_83_PRE_SPC3 = -0x83, - PAGE_UNSPECIFIED = 0x00, - PAGE_80 = 0x80, - PAGE_83 = 0x83, + PAGE_83_PRE_SPC3 = -0x83, + PAGE_UNSPECIFIED = 0x00, + PAGE_80 = 0x80, + PAGE_83 = 0x83, }; diff --git a/src/extras/scsi_id/scsi_serial.c b/src/extras/scsi_id/scsi_serial.c index 61ec618e9..f1d63f40c 100644 --- a/src/extras/scsi_id/scsi_serial.c +++ b/src/extras/scsi_id/scsi_serial.c @@ -48,28 +48,28 @@ * is normally one or some small number of descriptors. */ static const struct scsi_id_search_values id_search_list[] = { - { SCSI_ID_TGTGROUP, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, - { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG_EXTENDED, SCSI_ID_BINARY }, - { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG_EXTENDED, SCSI_ID_ASCII }, - { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG, SCSI_ID_BINARY }, - { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG, SCSI_ID_ASCII }, - /* - * Devices already exist using NAA values that are now marked - * reserved. These should not conflict with other values, or it is - * a bug in the device. As long as we find the IEEE extended one - * first, we really don't care what other ones are used. Using - * don't care here means that a device that returns multiple - * non-IEEE descriptors in a random order will get different - * names. - */ - { SCSI_ID_NAA, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, - { SCSI_ID_NAA, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, - { SCSI_ID_EUI_64, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, - { SCSI_ID_EUI_64, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, - { SCSI_ID_T10_VENDOR, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, - { SCSI_ID_T10_VENDOR, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, - { SCSI_ID_VENDOR_SPECIFIC, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, - { SCSI_ID_VENDOR_SPECIFIC, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, + { SCSI_ID_TGTGROUP, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, + { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG_EXTENDED, SCSI_ID_BINARY }, + { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG_EXTENDED, SCSI_ID_ASCII }, + { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG, SCSI_ID_BINARY }, + { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG, SCSI_ID_ASCII }, + /* + * Devices already exist using NAA values that are now marked + * reserved. These should not conflict with other values, or it is + * a bug in the device. As long as we find the IEEE extended one + * first, we really don't care what other ones are used. Using + * don't care here means that a device that returns multiple + * non-IEEE descriptors in a random order will get different + * names. + */ + { SCSI_ID_NAA, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, + { SCSI_ID_NAA, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, + { SCSI_ID_EUI_64, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, + { SCSI_ID_EUI_64, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, + { SCSI_ID_T10_VENDOR, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, + { SCSI_ID_T10_VENDOR, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, + { SCSI_ID_VENDOR_SPECIFIC, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY }, + { SCSI_ID_VENDOR_SPECIFIC, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII }, }; static const char hex_str[]="0123456789abcdef"; @@ -79,376 +79,376 @@ static const char hex_str[]="0123456789abcdef"; * are used here. */ -#define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */ -#define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */ -#define DID_TIME_OUT 0x03 /* Timed out for some other reason */ -#define DRIVER_TIMEOUT 0x06 -#define DRIVER_SENSE 0x08 /* Sense_buffer has been set */ +#define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */ +#define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */ +#define DID_TIME_OUT 0x03 /* Timed out for some other reason */ +#define DRIVER_TIMEOUT 0x06 +#define DRIVER_SENSE 0x08 /* Sense_buffer has been set */ /* The following "category" function returns one of the following */ -#define SG_ERR_CAT_CLEAN 0 /* No errors or other information */ -#define SG_ERR_CAT_MEDIA_CHANGED 1 /* interpreted from sense buffer */ -#define SG_ERR_CAT_RESET 2 /* interpreted from sense buffer */ -#define SG_ERR_CAT_TIMEOUT 3 -#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */ -#define SG_ERR_CAT_NOTSUPPORTED 5 /* Illegal / unsupported command */ -#define SG_ERR_CAT_SENSE 98 /* Something else in the sense buffer */ -#define SG_ERR_CAT_OTHER 99 /* Some other error/warning */ +#define SG_ERR_CAT_CLEAN 0 /* No errors or other information */ +#define SG_ERR_CAT_MEDIA_CHANGED 1 /* interpreted from sense buffer */ +#define SG_ERR_CAT_RESET 2 /* interpreted from sense buffer */ +#define SG_ERR_CAT_TIMEOUT 3 +#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */ +#define SG_ERR_CAT_NOTSUPPORTED 5 /* Illegal / unsupported command */ +#define SG_ERR_CAT_SENSE 98 /* Something else in the sense buffer */ +#define SG_ERR_CAT_OTHER 99 /* Some other error/warning */ static int do_scsi_page80_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, int fd, - char *serial, char *serial_short, int max_len); + struct scsi_id_device *dev_scsi, int fd, + char *serial, char *serial_short, int max_len); static int sg_err_category_new(struct udev *udev, - int scsi_status, int msg_status, int - host_status, int driver_status, const - unsigned char *sense_buffer, int sb_len) + int scsi_status, int msg_status, int + host_status, int driver_status, const + unsigned char *sense_buffer, int sb_len) { - scsi_status &= 0x7e; - - /* - * XXX change to return only two values - failed or OK. - */ - - if (!scsi_status && !host_status && !driver_status) - return SG_ERR_CAT_CLEAN; - - if ((scsi_status == SCSI_CHECK_CONDITION) || - (scsi_status == SCSI_COMMAND_TERMINATED) || - ((driver_status & 0xf) == DRIVER_SENSE)) { - if (sense_buffer && (sb_len > 2)) { - int sense_key; - unsigned char asc; - - if (sense_buffer[0] & 0x2) { - sense_key = sense_buffer[1] & 0xf; - asc = sense_buffer[2]; - } else { - sense_key = sense_buffer[2] & 0xf; - asc = (sb_len > 12) ? sense_buffer[12] : 0; - } - - if (sense_key == RECOVERED_ERROR) - return SG_ERR_CAT_RECOVERED; - else if (sense_key == UNIT_ATTENTION) { - if (0x28 == asc) - return SG_ERR_CAT_MEDIA_CHANGED; - if (0x29 == asc) - return SG_ERR_CAT_RESET; - } else if (sense_key == ILLEGAL_REQUEST) { - return SG_ERR_CAT_NOTSUPPORTED; - } - } - return SG_ERR_CAT_SENSE; - } - if (host_status) { - if ((host_status == DID_NO_CONNECT) || - (host_status == DID_BUS_BUSY) || - (host_status == DID_TIME_OUT)) - return SG_ERR_CAT_TIMEOUT; - } - if (driver_status) { - if (driver_status == DRIVER_TIMEOUT) - return SG_ERR_CAT_TIMEOUT; - } - return SG_ERR_CAT_OTHER; + scsi_status &= 0x7e; + + /* + * XXX change to return only two values - failed or OK. + */ + + if (!scsi_status && !host_status && !driver_status) + return SG_ERR_CAT_CLEAN; + + if ((scsi_status == SCSI_CHECK_CONDITION) || + (scsi_status == SCSI_COMMAND_TERMINATED) || + ((driver_status & 0xf) == DRIVER_SENSE)) { + if (sense_buffer && (sb_len > 2)) { + int sense_key; + unsigned char asc; + + if (sense_buffer[0] & 0x2) { + sense_key = sense_buffer[1] & 0xf; + asc = sense_buffer[2]; + } else { + sense_key = sense_buffer[2] & 0xf; + asc = (sb_len > 12) ? sense_buffer[12] : 0; + } + + if (sense_key == RECOVERED_ERROR) + return SG_ERR_CAT_RECOVERED; + else if (sense_key == UNIT_ATTENTION) { + if (0x28 == asc) + return SG_ERR_CAT_MEDIA_CHANGED; + if (0x29 == asc) + return SG_ERR_CAT_RESET; + } else if (sense_key == ILLEGAL_REQUEST) { + return SG_ERR_CAT_NOTSUPPORTED; + } + } + return SG_ERR_CAT_SENSE; + } + if (host_status) { + if ((host_status == DID_NO_CONNECT) || + (host_status == DID_BUS_BUSY) || + (host_status == DID_TIME_OUT)) + return SG_ERR_CAT_TIMEOUT; + } + if (driver_status) { + if (driver_status == DRIVER_TIMEOUT) + return SG_ERR_CAT_TIMEOUT; + } + return SG_ERR_CAT_OTHER; } static int sg_err_category3(struct udev *udev, struct sg_io_hdr *hp) { - return sg_err_category_new(udev, - hp->status, hp->msg_status, - hp->host_status, hp->driver_status, - hp->sbp, hp->sb_len_wr); + return sg_err_category_new(udev, + hp->status, hp->msg_status, + hp->host_status, hp->driver_status, + hp->sbp, hp->sb_len_wr); } static int sg_err_category4(struct udev *udev, struct sg_io_v4 *hp) { - return sg_err_category_new(udev, hp->device_status, 0, - hp->transport_status, hp->driver_status, - (unsigned char *)(uintptr_t)hp->response, - hp->response_len); + return sg_err_category_new(udev, hp->device_status, 0, + hp->transport_status, hp->driver_status, + (unsigned char *)(uintptr_t)hp->response, + hp->response_len); } static int scsi_dump_sense(struct udev *udev, - struct scsi_id_device *dev_scsi, - unsigned char *sense_buffer, int sb_len) + struct scsi_id_device *dev_scsi, + unsigned char *sense_buffer, int sb_len) { - int s; - int code; - int sense_class; - int sense_key; - int asc, ascq; + int s; + int code; + int sense_class; + int sense_key; + int asc, ascq; #ifdef DUMP_SENSE - char out_buffer[256]; - int i, j; + char out_buffer[256]; + int i, j; #endif - /* - * Figure out and print the sense key, asc and ascq. - * - * If you want to suppress these for a particular drive model, add - * a black list entry in the scsi_id config file. - * - * XXX We probably need to: lookup the sense/asc/ascq in a retry - * table, and if found return 1 (after dumping the sense, asc, and - * ascq). So, if/when we get something like a power on/reset, - * we'll retry the command. - */ - - dbg(udev, "got check condition\n"); - - if (sb_len < 1) { - info(udev, "%s: sense buffer empty\n", dev_scsi->kernel); - return -1; - } - - sense_class = (sense_buffer[0] >> 4) & 0x07; - code = sense_buffer[0] & 0xf; - - if (sense_class == 7) { - /* - * extended sense data. - */ - s = sense_buffer[7] + 8; - if (sb_len < s) { - info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n", - dev_scsi->kernel, sb_len, s - sb_len); - return -1; - } - if ((code == 0x0) || (code == 0x1)) { - sense_key = sense_buffer[2] & 0xf; - if (s < 14) { - /* - * Possible? - */ - info(udev, "%s: sense result too" " small %d bytes\n", - dev_scsi->kernel, s); - return -1; - } - asc = sense_buffer[12]; - ascq = sense_buffer[13]; - } else if ((code == 0x2) || (code == 0x3)) { - sense_key = sense_buffer[1] & 0xf; - asc = sense_buffer[2]; - ascq = sense_buffer[3]; - } else { - info(udev, "%s: invalid sense code 0x%x\n", - dev_scsi->kernel, code); - return -1; - } - info(udev, "%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n", - dev_scsi->kernel, sense_key, asc, ascq); - } else { - if (sb_len < 4) { - info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n", - dev_scsi->kernel, sb_len, 4 - sb_len); - return -1; - } - - if (sense_buffer[0] < 15) - info(udev, "%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f); - else - info(udev, "%s: sense = %2x %2x\n", - dev_scsi->kernel, sense_buffer[0], sense_buffer[2]); - info(udev, "%s: non-extended sense class %d code 0x%0x\n", - dev_scsi->kernel, sense_class, code); - - } + /* + * Figure out and print the sense key, asc and ascq. + * + * If you want to suppress these for a particular drive model, add + * a black list entry in the scsi_id config file. + * + * XXX We probably need to: lookup the sense/asc/ascq in a retry + * table, and if found return 1 (after dumping the sense, asc, and + * ascq). So, if/when we get something like a power on/reset, + * we'll retry the command. + */ + + dbg(udev, "got check condition\n"); + + if (sb_len < 1) { + info(udev, "%s: sense buffer empty\n", dev_scsi->kernel); + return -1; + } + + sense_class = (sense_buffer[0] >> 4) & 0x07; + code = sense_buffer[0] & 0xf; + + if (sense_class == 7) { + /* + * extended sense data. + */ + s = sense_buffer[7] + 8; + if (sb_len < s) { + info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n", + dev_scsi->kernel, sb_len, s - sb_len); + return -1; + } + if ((code == 0x0) || (code == 0x1)) { + sense_key = sense_buffer[2] & 0xf; + if (s < 14) { + /* + * Possible? + */ + info(udev, "%s: sense result too" " small %d bytes\n", + dev_scsi->kernel, s); + return -1; + } + asc = sense_buffer[12]; + ascq = sense_buffer[13]; + } else if ((code == 0x2) || (code == 0x3)) { + sense_key = sense_buffer[1] & 0xf; + asc = sense_buffer[2]; + ascq = sense_buffer[3]; + } else { + info(udev, "%s: invalid sense code 0x%x\n", + dev_scsi->kernel, code); + return -1; + } + info(udev, "%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n", + dev_scsi->kernel, sense_key, asc, ascq); + } else { + if (sb_len < 4) { + info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n", + dev_scsi->kernel, sb_len, 4 - sb_len); + return -1; + } + + if (sense_buffer[0] < 15) + info(udev, "%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f); + else + info(udev, "%s: sense = %2x %2x\n", + dev_scsi->kernel, sense_buffer[0], sense_buffer[2]); + info(udev, "%s: non-extended sense class %d code 0x%0x\n", + dev_scsi->kernel, sense_class, code); + + } #ifdef DUMP_SENSE - for (i = 0, j = 0; (i < s) && (j < 254); i++) { - dbg(udev, "i %d, j %d\n", i, j); - out_buffer[j++] = hex_str[(sense_buffer[i] & 0xf0) >> 4]; - out_buffer[j++] = hex_str[sense_buffer[i] & 0x0f]; - out_buffer[j++] = ' '; - } - out_buffer[j] = '\0'; - info(udev, "%s: sense dump:\n", dev_scsi->kernel); - info(udev, "%s: %s\n", dev_scsi->kernel, out_buffer); + for (i = 0, j = 0; (i < s) && (j < 254); i++) { + dbg(udev, "i %d, j %d\n", i, j); + out_buffer[j++] = hex_str[(sense_buffer[i] & 0xf0) >> 4]; + out_buffer[j++] = hex_str[sense_buffer[i] & 0x0f]; + out_buffer[j++] = ' '; + } + out_buffer[j] = '\0'; + info(udev, "%s: sense dump:\n", dev_scsi->kernel); + info(udev, "%s: %s\n", dev_scsi->kernel, out_buffer); #endif - return -1; + return -1; } static int scsi_dump(struct udev *udev, - struct scsi_id_device *dev_scsi, struct sg_io_hdr *io) + struct scsi_id_device *dev_scsi, struct sg_io_hdr *io) { - if (!io->status && !io->host_status && !io->msg_status && - !io->driver_status) { - /* - * Impossible, should not be called. - */ - info(udev, "%s: called with no error\n", __FUNCTION__); - return -1; - } - - info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n", - dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status); - if (io->status == SCSI_CHECK_CONDITION) - return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr); - else - return -1; + if (!io->status && !io->host_status && !io->msg_status && + !io->driver_status) { + /* + * Impossible, should not be called. + */ + info(udev, "%s: called with no error\n", __FUNCTION__); + return -1; + } + + info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n", + dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status); + if (io->status == SCSI_CHECK_CONDITION) + return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr); + else + return -1; } static int scsi_dump_v4(struct udev *udev, - struct scsi_id_device *dev_scsi, struct sg_io_v4 *io) + struct scsi_id_device *dev_scsi, struct sg_io_v4 *io) { - if (!io->device_status && !io->transport_status && - !io->driver_status) { - /* - * Impossible, should not be called. - */ - info(udev, "%s: called with no error\n", __FUNCTION__); - return -1; - } - - info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x\n", - dev_scsi->kernel, io->driver_status, io->transport_status, - io->device_status); - if (io->device_status == SCSI_CHECK_CONDITION) - return scsi_dump_sense(udev, dev_scsi, (unsigned char *)(uintptr_t)io->response, - io->response_len); - else - return -1; + if (!io->device_status && !io->transport_status && + !io->driver_status) { + /* + * Impossible, should not be called. + */ + info(udev, "%s: called with no error\n", __FUNCTION__); + return -1; + } + + info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x\n", + dev_scsi->kernel, io->driver_status, io->transport_status, + io->device_status); + if (io->device_status == SCSI_CHECK_CONDITION) + return scsi_dump_sense(udev, dev_scsi, (unsigned char *)(uintptr_t)io->response, + io->response_len); + else + return -1; } static int scsi_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, int fd, - unsigned char evpd, unsigned char page, - unsigned char *buf, unsigned int buflen) + struct scsi_id_device *dev_scsi, int fd, + unsigned char evpd, unsigned char page, + unsigned char *buf, unsigned int buflen) { - unsigned char inq_cmd[INQUIRY_CMDLEN] = - { INQUIRY_CMD, evpd, page, 0, buflen, 0 }; - unsigned char sense[SENSE_BUFF_LEN]; - void *io_buf; - struct sg_io_v4 io_v4; - struct sg_io_hdr io_hdr; - int retry = 3; /* rather random */ - int retval; - - if (buflen > SCSI_INQ_BUFF_LEN) { - info(udev, "buflen %d too long\n", buflen); - return -1; - } + unsigned char inq_cmd[INQUIRY_CMDLEN] = + { INQUIRY_CMD, evpd, page, 0, buflen, 0 }; + unsigned char sense[SENSE_BUFF_LEN]; + void *io_buf; + struct sg_io_v4 io_v4; + struct sg_io_hdr io_hdr; + int retry = 3; /* rather random */ + int retval; + + if (buflen > SCSI_INQ_BUFF_LEN) { + info(udev, "buflen %d too long\n", buflen); + return -1; + } resend: - dbg(udev, "%s evpd %d, page 0x%x\n", dev_scsi->kernel, evpd, page); - - if (dev_scsi->use_sg == 4) { - memset(&io_v4, 0, sizeof(struct sg_io_v4)); - io_v4.guard = 'Q'; - io_v4.protocol = BSG_PROTOCOL_SCSI; - io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; - io_v4.request_len = sizeof(inq_cmd); - io_v4.request = (uintptr_t)inq_cmd; - io_v4.max_response_len = sizeof(sense); - io_v4.response = (uintptr_t)sense; - io_v4.din_xfer_len = buflen; - io_v4.din_xferp = (uintptr_t)buf; - io_buf = (void *)&io_v4; - } else { - memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmd_len = sizeof(inq_cmd); - io_hdr.mx_sb_len = sizeof(sense); - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - io_hdr.dxfer_len = buflen; - io_hdr.dxferp = buf; - io_hdr.cmdp = inq_cmd; - io_hdr.sbp = sense; - io_hdr.timeout = DEF_TIMEOUT; - io_buf = (void *)&io_hdr; - } - - retval = ioctl(fd, SG_IO, io_buf); - if (retval < 0) { - if ((errno == EINVAL || errno == ENOSYS) && dev_scsi->use_sg == 4) { - dev_scsi->use_sg = 3; - goto resend; - } - info(udev, "%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno)); - goto error; - } - - if (dev_scsi->use_sg == 4) - retval = sg_err_category4(udev, io_buf); - else - retval = sg_err_category3(udev, io_buf); - - switch (retval) { - case SG_ERR_CAT_NOTSUPPORTED: - buf[1] = 0; - /* Fallthrough */ - case SG_ERR_CAT_CLEAN: - case SG_ERR_CAT_RECOVERED: - retval = 0; - break; - - default: - if (dev_scsi->use_sg == 4) - retval = scsi_dump_v4(udev, dev_scsi, io_buf); - else - retval = scsi_dump(udev, dev_scsi, io_buf); - } - - if (!retval) { - retval = buflen; - } else if (retval > 0) { - if (--retry > 0) { - dbg(udev, "%s: Retrying ...\n", dev_scsi->kernel); - goto resend; - } - retval = -1; - } + dbg(udev, "%s evpd %d, page 0x%x\n", dev_scsi->kernel, evpd, page); + + if (dev_scsi->use_sg == 4) { + memset(&io_v4, 0, sizeof(struct sg_io_v4)); + io_v4.guard = 'Q'; + io_v4.protocol = BSG_PROTOCOL_SCSI; + io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD; + io_v4.request_len = sizeof(inq_cmd); + io_v4.request = (uintptr_t)inq_cmd; + io_v4.max_response_len = sizeof(sense); + io_v4.response = (uintptr_t)sense; + io_v4.din_xfer_len = buflen; + io_v4.din_xferp = (uintptr_t)buf; + io_buf = (void *)&io_v4; + } else { + memset(&io_hdr, 0, sizeof(struct sg_io_hdr)); + io_hdr.interface_id = 'S'; + io_hdr.cmd_len = sizeof(inq_cmd); + io_hdr.mx_sb_len = sizeof(sense); + io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; + io_hdr.dxfer_len = buflen; + io_hdr.dxferp = buf; + io_hdr.cmdp = inq_cmd; + io_hdr.sbp = sense; + io_hdr.timeout = DEF_TIMEOUT; + io_buf = (void *)&io_hdr; + } + + retval = ioctl(fd, SG_IO, io_buf); + if (retval < 0) { + if ((errno == EINVAL || errno == ENOSYS) && dev_scsi->use_sg == 4) { + dev_scsi->use_sg = 3; + goto resend; + } + info(udev, "%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno)); + goto error; + } + + if (dev_scsi->use_sg == 4) + retval = sg_err_category4(udev, io_buf); + else + retval = sg_err_category3(udev, io_buf); + + switch (retval) { + case SG_ERR_CAT_NOTSUPPORTED: + buf[1] = 0; + /* Fallthrough */ + case SG_ERR_CAT_CLEAN: + case SG_ERR_CAT_RECOVERED: + retval = 0; + break; + + default: + if (dev_scsi->use_sg == 4) + retval = scsi_dump_v4(udev, dev_scsi, io_buf); + else + retval = scsi_dump(udev, dev_scsi, io_buf); + } + + if (!retval) { + retval = buflen; + } else if (retval > 0) { + if (--retry > 0) { + dbg(udev, "%s: Retrying ...\n", dev_scsi->kernel); + goto resend; + } + retval = -1; + } error: - if (retval < 0) - info(udev, "%s: Unable to get INQUIRY vpd %d page 0x%x.\n", - dev_scsi->kernel, evpd, page); + if (retval < 0) + info(udev, "%s: Unable to get INQUIRY vpd %d page 0x%x.\n", + dev_scsi->kernel, evpd, page); - return retval; + return retval; } /* Get list of supported EVPD pages */ static int do_scsi_page0_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, int fd, - unsigned char *buffer, unsigned int len) + struct scsi_id_device *dev_scsi, int fd, + unsigned char *buffer, unsigned int len) { - int retval; - - memset(buffer, 0, len); - retval = scsi_inquiry(udev, dev_scsi, fd, 1, 0x0, buffer, len); - if (retval < 0) - return 1; - - if (buffer[1] != 0) { - info(udev, "%s: page 0 not available.\n", dev_scsi->kernel); - return 1; - } - if (buffer[3] > len) { - info(udev, "%s: page 0 buffer too long %d\n", dev_scsi->kernel, buffer[3]); - return 1; - } - - /* - * Following check is based on code once included in the 2.5.x - * kernel. - * - * Some ill behaved devices return the standard inquiry here - * rather than the evpd data, snoop the data to verify. - */ - if (buffer[3] > MODEL_LENGTH) { - /* - * If the vendor id appears in the page assume the page is - * invalid. - */ - if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) { - info(udev, "%s: invalid page0 data\n", dev_scsi->kernel); - return 1; - } - } - return 0; + int retval; + + memset(buffer, 0, len); + retval = scsi_inquiry(udev, dev_scsi, fd, 1, 0x0, buffer, len); + if (retval < 0) + return 1; + + if (buffer[1] != 0) { + info(udev, "%s: page 0 not available.\n", dev_scsi->kernel); + return 1; + } + if (buffer[3] > len) { + info(udev, "%s: page 0 buffer too long %d\n", dev_scsi->kernel, buffer[3]); + return 1; + } + + /* + * Following check is based on code once included in the 2.5.x + * kernel. + * + * Some ill behaved devices return the standard inquiry here + * rather than the evpd data, snoop the data to verify. + */ + if (buffer[3] > MODEL_LENGTH) { + /* + * If the vendor id appears in the page assume the page is + * invalid. + */ + if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) { + info(udev, "%s: invalid page0 data\n", dev_scsi->kernel); + return 1; + } + } + return 0; } /* @@ -456,24 +456,24 @@ static int do_scsi_page0_inquiry(struct udev *udev, * model. */ static int prepend_vendor_model(struct udev *udev, - struct scsi_id_device *dev_scsi, char *serial) + struct scsi_id_device *dev_scsi, char *serial) { - int ind; - - strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH); - strncat(serial, dev_scsi->model, MODEL_LENGTH); - ind = strlen(serial); - - /* - * This is not a complete check, since we are using strncat/cpy - * above, ind will never be too large. - */ - if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) { - info(udev, "%s: expected length %d, got length %d\n", - dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind); - return -1; - } - return ind; + int ind; + + strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH); + strncat(serial, dev_scsi->model, MODEL_LENGTH); + ind = strlen(serial); + + /* + * This is not a complete check, since we are using strncat/cpy + * above, ind will never be too large. + */ + if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) { + info(udev, "%s: expected length %d, got length %d\n", + dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind); + return -1; + } + return ind; } /** @@ -481,236 +481,236 @@ static int prepend_vendor_model(struct udev *udev, * serial number. **/ static int check_fill_0x83_id(struct udev *udev, - struct scsi_id_device *dev_scsi, - unsigned char *page_83, - const struct scsi_id_search_values - *id_search, char *serial, char *serial_short, - int max_len, char *wwn, - char *wwn_vendor_extension, char *tgpt_group) + struct scsi_id_device *dev_scsi, + unsigned char *page_83, + const struct scsi_id_search_values + *id_search, char *serial, char *serial_short, + int max_len, char *wwn, + char *wwn_vendor_extension, char *tgpt_group) { - int i, j, s, len; - - /* - * ASSOCIATION must be with the device (value 0) - * or with the target port for SCSI_ID_TGTPORT - */ - if ((page_83[1] & 0x30) == 0x10) { - if (id_search->id_type != SCSI_ID_TGTGROUP) - return 1; - } else if ((page_83[1] & 0x30) != 0) { - return 1; - } - - if ((page_83[1] & 0x0f) != id_search->id_type) - return 1; - - /* - * Possibly check NAA sub-type. - */ - if ((id_search->naa_type != SCSI_ID_NAA_DONT_CARE) && - (id_search->naa_type != (page_83[4] & 0xf0) >> 4)) - return 1; - - /* - * Check for matching code set - ASCII or BINARY. - */ - if ((page_83[0] & 0x0f) != id_search->code_set) - return 1; - - /* - * page_83[3]: identifier length - */ - len = page_83[3]; - if ((page_83[0] & 0x0f) != SCSI_ID_ASCII) - /* - * If not ASCII, use two bytes for each binary value. - */ - len *= 2; - - /* - * Add one byte for the NUL termination, and one for the id_type. - */ - len += 2; - if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC) - len += VENDOR_LENGTH + MODEL_LENGTH; - - if (max_len < len) { - info(udev, "%s: length %d too short - need %d\n", - dev_scsi->kernel, max_len, len); - return 1; - } - - if (id_search->id_type == SCSI_ID_TGTGROUP && tgpt_group != NULL) { - unsigned int group; - - group = ((unsigned int)page_83[6] << 8) | page_83[7]; - sprintf(tgpt_group,"%x", group); - return 1; - } - - serial[0] = hex_str[id_search->id_type]; - - /* - * For SCSI_ID_VENDOR_SPECIFIC prepend the vendor and model before - * the id since it is not unique across all vendors and models, - * this differs from SCSI_ID_T10_VENDOR, where the vendor is - * included in the identifier. - */ - if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC) - if (prepend_vendor_model(udev, dev_scsi, &serial[1]) < 0) { - dbg(udev, "prepend failed\n"); - return 1; - } - - i = 4; /* offset to the start of the identifier */ - s = j = strlen(serial); - if ((page_83[0] & 0x0f) == SCSI_ID_ASCII) { - /* - * ASCII descriptor. - */ - while (i < (4 + page_83[3])) - serial[j++] = page_83[i++]; - } else { - /* - * Binary descriptor, convert to ASCII, using two bytes of - * ASCII for each byte in the page_83. - */ - while (i < (4 + page_83[3])) { - serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4]; - serial[j++] = hex_str[page_83[i] & 0x0f]; - i++; - } - } - - strcpy(serial_short, &serial[s]); - - if (id_search->id_type == SCSI_ID_NAA && wwn != NULL) { - strncpy(wwn, &serial[s], 16); - if (wwn_vendor_extension != NULL) { - strncpy(wwn_vendor_extension, &serial[s + 16], 16); - } - } - - return 0; + int i, j, s, len; + + /* + * ASSOCIATION must be with the device (value 0) + * or with the target port for SCSI_ID_TGTPORT + */ + if ((page_83[1] & 0x30) == 0x10) { + if (id_search->id_type != SCSI_ID_TGTGROUP) + return 1; + } else if ((page_83[1] & 0x30) != 0) { + return 1; + } + + if ((page_83[1] & 0x0f) != id_search->id_type) + return 1; + + /* + * Possibly check NAA sub-type. + */ + if ((id_search->naa_type != SCSI_ID_NAA_DONT_CARE) && + (id_search->naa_type != (page_83[4] & 0xf0) >> 4)) + return 1; + + /* + * Check for matching code set - ASCII or BINARY. + */ + if ((page_83[0] & 0x0f) != id_search->code_set) + return 1; + + /* + * page_83[3]: identifier length + */ + len = page_83[3]; + if ((page_83[0] & 0x0f) != SCSI_ID_ASCII) + /* + * If not ASCII, use two bytes for each binary value. + */ + len *= 2; + + /* + * Add one byte for the NUL termination, and one for the id_type. + */ + len += 2; + if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC) + len += VENDOR_LENGTH + MODEL_LENGTH; + + if (max_len < len) { + info(udev, "%s: length %d too short - need %d\n", + dev_scsi->kernel, max_len, len); + return 1; + } + + if (id_search->id_type == SCSI_ID_TGTGROUP && tgpt_group != NULL) { + unsigned int group; + + group = ((unsigned int)page_83[6] << 8) | page_83[7]; + sprintf(tgpt_group,"%x", group); + return 1; + } + + serial[0] = hex_str[id_search->id_type]; + + /* + * For SCSI_ID_VENDOR_SPECIFIC prepend the vendor and model before + * the id since it is not unique across all vendors and models, + * this differs from SCSI_ID_T10_VENDOR, where the vendor is + * included in the identifier. + */ + if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC) + if (prepend_vendor_model(udev, dev_scsi, &serial[1]) < 0) { + dbg(udev, "prepend failed\n"); + return 1; + } + + i = 4; /* offset to the start of the identifier */ + s = j = strlen(serial); + if ((page_83[0] & 0x0f) == SCSI_ID_ASCII) { + /* + * ASCII descriptor. + */ + while (i < (4 + page_83[3])) + serial[j++] = page_83[i++]; + } else { + /* + * Binary descriptor, convert to ASCII, using two bytes of + * ASCII for each byte in the page_83. + */ + while (i < (4 + page_83[3])) { + serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4]; + serial[j++] = hex_str[page_83[i] & 0x0f]; + i++; + } + } + + strcpy(serial_short, &serial[s]); + + if (id_search->id_type == SCSI_ID_NAA && wwn != NULL) { + strncpy(wwn, &serial[s], 16); + if (wwn_vendor_extension != NULL) { + strncpy(wwn_vendor_extension, &serial[s + 16], 16); + } + } + + return 0; } /* Extract the raw binary from VPD 0x83 pre-SPC devices */ static int check_fill_0x83_prespc3(struct udev *udev, - struct scsi_id_device *dev_scsi, - unsigned char *page_83, - const struct scsi_id_search_values - *id_search, char *serial, char *serial_short, int max_len) + struct scsi_id_device *dev_scsi, + unsigned char *page_83, + const struct scsi_id_search_values + *id_search, char *serial, char *serial_short, int max_len) { - int i, j; - - dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel); - serial[0] = hex_str[id_search->id_type]; - /* serial has been memset to zero before */ - j = strlen(serial); /* j = 1; */ - - for (i = 0; (i < page_83[3]) && (j < max_len-3); ++i) { - serial[j++] = hex_str[(page_83[4+i] & 0xf0) >> 4]; - serial[j++] = hex_str[ page_83[4+i] & 0x0f]; - } - serial[max_len-1] = 0; - strncpy(serial_short, serial, max_len-1); - return 0; + int i, j; + + dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel); + serial[0] = hex_str[id_search->id_type]; + /* serial has been memset to zero before */ + j = strlen(serial); /* j = 1; */ + + for (i = 0; (i < page_83[3]) && (j < max_len-3); ++i) { + serial[j++] = hex_str[(page_83[4+i] & 0xf0) >> 4]; + serial[j++] = hex_str[ page_83[4+i] & 0x0f]; + } + serial[max_len-1] = 0; + strncpy(serial_short, serial, max_len-1); + return 0; } /* Get device identification VPD page */ static int do_scsi_page83_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, int fd, - char *serial, char *serial_short, int len, - char *unit_serial_number, char *wwn, - char *wwn_vendor_extension, char *tgpt_group) + struct scsi_id_device *dev_scsi, int fd, + char *serial, char *serial_short, int len, + char *unit_serial_number, char *wwn, + char *wwn_vendor_extension, char *tgpt_group) { - int retval; - unsigned int id_ind, j; - unsigned char page_83[SCSI_INQ_BUFF_LEN]; + int retval; + unsigned int id_ind, j; + unsigned char page_83[SCSI_INQ_BUFF_LEN]; - /* also pick up the page 80 serial number */ + /* also pick up the page 80 serial number */ do_scsi_page80_inquiry(udev, dev_scsi, fd, NULL, unit_serial_number, MAX_SERIAL_LEN); - memset(page_83, 0, SCSI_INQ_BUFF_LEN); - retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, - SCSI_INQ_BUFF_LEN); - if (retval < 0) - return 1; - - if (page_83[1] != PAGE_83) { - info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel); - return 1; - } - - /* - * XXX Some devices (IBM 3542) return all spaces for an identifier if - * the LUN is not actually configured. This leads to identifiers of - * the form: "1 ". - */ - - /* - * Model 4, 5, and (some) model 6 EMC Symmetrix devices return - * a page 83 reply according to SCSI-2 format instead of SPC-2/3. - * - * The SCSI-2 page 83 format returns an IEEE WWN in binary - * encoded hexi-decimal in the 16 bytes following the initial - * 4-byte page 83 reply header. - * - * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part - * of an Identification descriptor. The 3rd byte of the first - * Identification descriptor is a reserved (BSZ) byte field. - * - * Reference the 7th byte of the page 83 reply to determine - * whether the reply is compliant with SCSI-2 or SPC-2/3 - * specifications. A zero value in the 7th byte indicates - * an SPC-2/3 conformant reply, (i.e., the reserved field of the - * first Identification descriptor). This byte will be non-zero - * for a SCSI-2 conformant page 83 reply from these EMC - * Symmetrix models since the 7th byte of the reply corresponds - * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is, - * 0x006048. - */ - - if (page_83[6] != 0) - return check_fill_0x83_prespc3(udev, - dev_scsi, page_83, id_search_list, - serial, serial_short, len); - - /* - * Search for a match in the prioritized id_search_list - since WWN ids + memset(page_83, 0, SCSI_INQ_BUFF_LEN); + retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, + SCSI_INQ_BUFF_LEN); + if (retval < 0) + return 1; + + if (page_83[1] != PAGE_83) { + info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel); + return 1; + } + + /* + * XXX Some devices (IBM 3542) return all spaces for an identifier if + * the LUN is not actually configured. This leads to identifiers of + * the form: "1 ". + */ + + /* + * Model 4, 5, and (some) model 6 EMC Symmetrix devices return + * a page 83 reply according to SCSI-2 format instead of SPC-2/3. + * + * The SCSI-2 page 83 format returns an IEEE WWN in binary + * encoded hexi-decimal in the 16 bytes following the initial + * 4-byte page 83 reply header. + * + * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part + * of an Identification descriptor. The 3rd byte of the first + * Identification descriptor is a reserved (BSZ) byte field. + * + * Reference the 7th byte of the page 83 reply to determine + * whether the reply is compliant with SCSI-2 or SPC-2/3 + * specifications. A zero value in the 7th byte indicates + * an SPC-2/3 conformant reply, (i.e., the reserved field of the + * first Identification descriptor). This byte will be non-zero + * for a SCSI-2 conformant page 83 reply from these EMC + * Symmetrix models since the 7th byte of the reply corresponds + * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is, + * 0x006048. + */ + + if (page_83[6] != 0) + return check_fill_0x83_prespc3(udev, + dev_scsi, page_83, id_search_list, + serial, serial_short, len); + + /* + * Search for a match in the prioritized id_search_list - since WWN ids * come first we can pick up the WWN in check_fill_0x83_id(). - */ - for (id_ind = 0; - id_ind < sizeof(id_search_list)/sizeof(id_search_list[0]); - id_ind++) { - /* - * Examine each descriptor returned. There is normally only - * one or a small number of descriptors. - */ - for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) { - retval = check_fill_0x83_id(udev, - dev_scsi, &page_83[j], - &id_search_list[id_ind], - serial, serial_short, len, - wwn, wwn_vendor_extension, - tgpt_group); - dbg(udev, "%s id desc %d/%d/%d\n", dev_scsi->kernel, - id_search_list[id_ind].id_type, - id_search_list[id_ind].naa_type, - id_search_list[id_ind].code_set); - if (!retval) { - dbg(udev, " used\n"); - return retval; - } else if (retval < 0) { - dbg(udev, " failed\n"); - return retval; - } else { - dbg(udev, " not used\n"); - } - } - } - return 1; + */ + for (id_ind = 0; + id_ind < sizeof(id_search_list)/sizeof(id_search_list[0]); + id_ind++) { + /* + * Examine each descriptor returned. There is normally only + * one or a small number of descriptors. + */ + for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) { + retval = check_fill_0x83_id(udev, + dev_scsi, &page_83[j], + &id_search_list[id_ind], + serial, serial_short, len, + wwn, wwn_vendor_extension, + tgpt_group); + dbg(udev, "%s id desc %d/%d/%d\n", dev_scsi->kernel, + id_search_list[id_ind].id_type, + id_search_list[id_ind].naa_type, + id_search_list[id_ind].code_set); + if (!retval) { + dbg(udev, " used\n"); + return retval; + } else if (retval < 0) { + dbg(udev, " failed\n"); + return retval; + } else { + dbg(udev, " not used\n"); + } + } + } + return 1; } /* @@ -721,98 +721,98 @@ static int do_scsi_page83_inquiry(struct udev *udev, * conformant to the SCSI-2 format. */ static int do_scsi_page83_prespc3_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, int fd, - char *serial, char *serial_short, int len) + struct scsi_id_device *dev_scsi, int fd, + char *serial, char *serial_short, int len) { - int retval; - int i, j; - unsigned char page_83[SCSI_INQ_BUFF_LEN]; - - memset(page_83, 0, SCSI_INQ_BUFF_LEN); - retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN); - if (retval < 0) - return 1; - - if (page_83[1] != PAGE_83) { - info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel); - return 1; - } - /* - * Model 4, 5, and (some) model 6 EMC Symmetrix devices return - * a page 83 reply according to SCSI-2 format instead of SPC-2/3. - * - * The SCSI-2 page 83 format returns an IEEE WWN in binary - * encoded hexi-decimal in the 16 bytes following the initial - * 4-byte page 83 reply header. - * - * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part - * of an Identification descriptor. The 3rd byte of the first - * Identification descriptor is a reserved (BSZ) byte field. - * - * Reference the 7th byte of the page 83 reply to determine - * whether the reply is compliant with SCSI-2 or SPC-2/3 - * specifications. A zero value in the 7th byte indicates - * an SPC-2/3 conformant reply, (i.e., the reserved field of the - * first Identification descriptor). This byte will be non-zero - * for a SCSI-2 conformant page 83 reply from these EMC - * Symmetrix models since the 7th byte of the reply corresponds - * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is, - * 0x006048. - */ - if (page_83[6] == 0) - return 2; - - serial[0] = hex_str[id_search_list[0].id_type]; - /* - * The first four bytes contain data, not a descriptor. - */ - i = 4; - j = strlen(serial); - /* - * Binary descriptor, convert to ASCII, - * using two bytes of ASCII for each byte - * in the page_83. - */ - while (i < (page_83[3]+4)) { - serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4]; - serial[j++] = hex_str[page_83[i] & 0x0f]; - i++; - } - dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel); - return 0; + int retval; + int i, j; + unsigned char page_83[SCSI_INQ_BUFF_LEN]; + + memset(page_83, 0, SCSI_INQ_BUFF_LEN); + retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN); + if (retval < 0) + return 1; + + if (page_83[1] != PAGE_83) { + info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel); + return 1; + } + /* + * Model 4, 5, and (some) model 6 EMC Symmetrix devices return + * a page 83 reply according to SCSI-2 format instead of SPC-2/3. + * + * The SCSI-2 page 83 format returns an IEEE WWN in binary + * encoded hexi-decimal in the 16 bytes following the initial + * 4-byte page 83 reply header. + * + * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part + * of an Identification descriptor. The 3rd byte of the first + * Identification descriptor is a reserved (BSZ) byte field. + * + * Reference the 7th byte of the page 83 reply to determine + * whether the reply is compliant with SCSI-2 or SPC-2/3 + * specifications. A zero value in the 7th byte indicates + * an SPC-2/3 conformant reply, (i.e., the reserved field of the + * first Identification descriptor). This byte will be non-zero + * for a SCSI-2 conformant page 83 reply from these EMC + * Symmetrix models since the 7th byte of the reply corresponds + * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is, + * 0x006048. + */ + if (page_83[6] == 0) + return 2; + + serial[0] = hex_str[id_search_list[0].id_type]; + /* + * The first four bytes contain data, not a descriptor. + */ + i = 4; + j = strlen(serial); + /* + * Binary descriptor, convert to ASCII, + * using two bytes of ASCII for each byte + * in the page_83. + */ + while (i < (page_83[3]+4)) { + serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4]; + serial[j++] = hex_str[page_83[i] & 0x0f]; + i++; + } + dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel); + return 0; } /* Get unit serial number VPD page */ static int do_scsi_page80_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, int fd, - char *serial, char *serial_short, int max_len) + struct scsi_id_device *dev_scsi, int fd, + char *serial, char *serial_short, int max_len) { - int retval; - int ser_ind; - int i; - int len; - unsigned char buf[SCSI_INQ_BUFF_LEN]; - - memset(buf, 0, SCSI_INQ_BUFF_LEN); - retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN); - if (retval < 0) - return retval; - - if (buf[1] != PAGE_80) { - info(udev, "%s: Invalid page 0x80\n", dev_scsi->kernel); - return 1; - } - - len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3]; - if (max_len < len) { - info(udev, "%s: length %d too short - need %d\n", - dev_scsi->kernel, max_len, len); - return 1; - } - /* - * Prepend 'S' to avoid unlikely collision with page 0x83 vendor - * specific type where we prepend '0' + vendor + model. - */ + int retval; + int ser_ind; + int i; + int len; + unsigned char buf[SCSI_INQ_BUFF_LEN]; + + memset(buf, 0, SCSI_INQ_BUFF_LEN); + retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN); + if (retval < 0) + return retval; + + if (buf[1] != PAGE_80) { + info(udev, "%s: Invalid page 0x80\n", dev_scsi->kernel); + return 1; + } + + len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3]; + if (max_len < len) { + info(udev, "%s: length %d too short - need %d\n", + dev_scsi->kernel, max_len, len); + return 1; + } + /* + * Prepend 'S' to avoid unlikely collision with page 0x83 vendor + * specific type where we prepend '0' + vendor + model. + */ len = buf[3]; if (serial != NULL) { serial[0] = 'S'; @@ -826,165 +826,165 @@ static int do_scsi_page80_inquiry(struct udev *udev, memcpy(serial_short, &buf[4], len); serial_short[len] = '\0'; } - return 0; + return 0; } int scsi_std_inquiry(struct udev *udev, - struct scsi_id_device *dev_scsi, const char *devname) + struct scsi_id_device *dev_scsi, const char *devname) { - int fd; - unsigned char buf[SCSI_INQ_BUFF_LEN]; - struct stat statbuf; - int err = 0; - - dbg(udev, "opening %s\n", devname); - fd = open(devname, O_RDONLY | O_NONBLOCK); - if (fd < 0) { - info(udev, "scsi_id: cannot open %s: %s\n", - devname, strerror(errno)); - return 1; - } - - if (fstat(fd, &statbuf) < 0) { - info(udev, "scsi_id: cannot stat %s: %s\n", - devname, strerror(errno)); - err = 2; - goto out; - } - sprintf(dev_scsi->kernel,"%d:%d", major(statbuf.st_rdev), - minor(statbuf.st_rdev)); - - memset(buf, 0, SCSI_INQ_BUFF_LEN); - err = scsi_inquiry(udev, dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN); - if (err < 0) - goto out; - - err = 0; - memcpy(dev_scsi->vendor, buf + 8, 8); - dev_scsi->vendor[8] = '\0'; - memcpy(dev_scsi->model, buf + 16, 16); - dev_scsi->model[16] = '\0'; - memcpy(dev_scsi->revision, buf + 32, 4); - dev_scsi->revision[4] = '\0'; - sprintf(dev_scsi->type,"%x", buf[0] & 0x1f); + int fd; + unsigned char buf[SCSI_INQ_BUFF_LEN]; + struct stat statbuf; + int err = 0; + + dbg(udev, "opening %s\n", devname); + fd = open(devname, O_RDONLY | O_NONBLOCK); + if (fd < 0) { + info(udev, "scsi_id: cannot open %s: %s\n", + devname, strerror(errno)); + return 1; + } + + if (fstat(fd, &statbuf) < 0) { + info(udev, "scsi_id: cannot stat %s: %s\n", + devname, strerror(errno)); + err = 2; + goto out; + } + sprintf(dev_scsi->kernel,"%d:%d", major(statbuf.st_rdev), + minor(statbuf.st_rdev)); + + memset(buf, 0, SCSI_INQ_BUFF_LEN); + err = scsi_inquiry(udev, dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN); + if (err < 0) + goto out; + + err = 0; + memcpy(dev_scsi->vendor, buf + 8, 8); + dev_scsi->vendor[8] = '\0'; + memcpy(dev_scsi->model, buf + 16, 16); + dev_scsi->model[16] = '\0'; + memcpy(dev_scsi->revision, buf + 32, 4); + dev_scsi->revision[4] = '\0'; + sprintf(dev_scsi->type,"%x", buf[0] & 0x1f); out: - close(fd); - return err; + close(fd); + return err; } int scsi_get_serial(struct udev *udev, - struct scsi_id_device *dev_scsi, const char *devname, - int page_code, int len) + struct scsi_id_device *dev_scsi, const char *devname, + int page_code, int len) { - unsigned char page0[SCSI_INQ_BUFF_LEN]; - int fd = -1; - int cnt; - int ind; - int retval; - - memset(dev_scsi->serial, 0, len); - dbg(udev, "opening %s\n", devname); - srand((unsigned int)getpid()); - for (cnt = 20; cnt > 0; cnt--) { - struct timespec duration; - - fd = open(devname, O_RDONLY | O_NONBLOCK); - if (fd >= 0 || errno != EBUSY) - break; - duration.tv_sec = 0; - duration.tv_nsec = (200 * 1000 * 1000) + (rand() % 100 * 1000 * 1000); - nanosleep(&duration, NULL); - } - if (fd < 0) - return 1; - - if (page_code == PAGE_80) { - if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) { - retval = 1; - goto completed; - } else { - retval = 0; - goto completed; - } - } else if (page_code == PAGE_83) { - if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) { - retval = 1; - goto completed; - } else { - retval = 0; - goto completed; - } - } else if (page_code == PAGE_83_PRE_SPC3) { - retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len); - if (retval) { - /* - * Fallback to servicing a SPC-2/3 compliant page 83 - * inquiry if the page 83 reply format does not - * conform to pre-SPC3 expectations. - */ - if (retval == 2) { - if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) { - retval = 1; - goto completed; - } else { - retval = 0; - goto completed; - } - } - else { - retval = 1; - goto completed; - } - } else { - retval = 0; - goto completed; - } - } else if (page_code != 0x00) { - info(udev, "%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code); - return 1; - } - - /* - * Get page 0, the page of the pages. By default, try from best to - * worst of supported pages: 0x83 then 0x80. - */ - if (do_scsi_page0_inquiry(udev, dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) { - /* - * Don't try anything else. Black list if a specific page - * should be used for this vendor+model, or maybe have an - * optional fall-back to page 0x80 or page 0x83. - */ - retval = 1; - goto completed; - } - - dbg(udev, "%s: Checking page0\n", dev_scsi->kernel); - - for (ind = 4; ind <= page0[3] + 3; ind++) - if (page0[ind] == PAGE_83) - if (!do_scsi_page83_inquiry(udev, dev_scsi, fd, - dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) { - /* - * Success - */ - retval = 0; - goto completed; - } - - for (ind = 4; ind <= page0[3] + 3; ind++) - if (page0[ind] == PAGE_80) - if (!do_scsi_page80_inquiry(udev, dev_scsi, fd, - dev_scsi->serial, dev_scsi->serial_short, len)) { - /* - * Success - */ - retval = 0; - goto completed; - } - retval = 1; + unsigned char page0[SCSI_INQ_BUFF_LEN]; + int fd = -1; + int cnt; + int ind; + int retval; + + memset(dev_scsi->serial, 0, len); + dbg(udev, "opening %s\n", devname); + srand((unsigned int)getpid()); + for (cnt = 20; cnt > 0; cnt--) { + struct timespec duration; + + fd = open(devname, O_RDONLY | O_NONBLOCK); + if (fd >= 0 || errno != EBUSY) + break; + duration.tv_sec = 0; + duration.tv_nsec = (200 * 1000 * 1000) + (rand() % 100 * 1000 * 1000); + nanosleep(&duration, NULL); + } + if (fd < 0) + return 1; + + if (page_code == PAGE_80) { + if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) { + retval = 1; + goto completed; + } else { + retval = 0; + goto completed; + } + } else if (page_code == PAGE_83) { + if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) { + retval = 1; + goto completed; + } else { + retval = 0; + goto completed; + } + } else if (page_code == PAGE_83_PRE_SPC3) { + retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len); + if (retval) { + /* + * Fallback to servicing a SPC-2/3 compliant page 83 + * inquiry if the page 83 reply format does not + * conform to pre-SPC3 expectations. + */ + if (retval == 2) { + if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) { + retval = 1; + goto completed; + } else { + retval = 0; + goto completed; + } + } + else { + retval = 1; + goto completed; + } + } else { + retval = 0; + goto completed; + } + } else if (page_code != 0x00) { + info(udev, "%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code); + return 1; + } + + /* + * Get page 0, the page of the pages. By default, try from best to + * worst of supported pages: 0x83 then 0x80. + */ + if (do_scsi_page0_inquiry(udev, dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) { + /* + * Don't try anything else. Black list if a specific page + * should be used for this vendor+model, or maybe have an + * optional fall-back to page 0x80 or page 0x83. + */ + retval = 1; + goto completed; + } + + dbg(udev, "%s: Checking page0\n", dev_scsi->kernel); + + for (ind = 4; ind <= page0[3] + 3; ind++) + if (page0[ind] == PAGE_83) + if (!do_scsi_page83_inquiry(udev, dev_scsi, fd, + dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) { + /* + * Success + */ + retval = 0; + goto completed; + } + + for (ind = 4; ind <= page0[3] + 3; ind++) + if (page0[ind] == PAGE_80) + if (!do_scsi_page80_inquiry(udev, dev_scsi, fd, + dev_scsi->serial, dev_scsi->serial_short, len)) { + /* + * Success + */ + retval = 0; + goto completed; + } + retval = 1; completed: - close(fd); - return retval; + close(fd); + return retval; } diff --git a/src/extras/udev-acl/udev-acl.c b/src/extras/udev-acl/udev-acl.c index 41e2536e0..628cfbed4 100644 --- a/src/extras/udev-acl/udev-acl.c +++ b/src/extras/udev-acl/udev-acl.c @@ -28,403 +28,403 @@ static int debug; enum{ - ACTION_NONE = 0, - ACTION_REMOVE, - ACTION_ADD, - ACTION_CHANGE + ACTION_NONE = 0, + ACTION_REMOVE, + ACTION_ADD, + ACTION_CHANGE }; static int set_facl(const char* filename, uid_t uid, int add) { - int get; - acl_t acl; - acl_entry_t entry = NULL; - acl_entry_t e; - acl_permset_t permset; - int ret; - - /* don't touch ACLs for root */ - if (uid == 0) - return 0; - - /* read current record */ - acl = acl_get_file(filename, ACL_TYPE_ACCESS); - if (!acl) - return -1; - - /* locate ACL_USER entry for uid */ - get = acl_get_entry(acl, ACL_FIRST_ENTRY, &e); - while (get == 1) { - acl_tag_t t; - - acl_get_tag_type(e, &t); - if (t == ACL_USER) { - uid_t *u; - - u = (uid_t*)acl_get_qualifier(e); - if (u == NULL) { - ret = -1; - goto out; - } - if (*u == uid) { - entry = e; - acl_free(u); - break; - } - acl_free(u); - } - - get = acl_get_entry(acl, ACL_NEXT_ENTRY, &e); - } - - /* remove ACL_USER entry for uid */ - if (!add) { - if (entry == NULL) { - ret = 0; - goto out; - } - acl_delete_entry(acl, entry); - goto update; - } - - /* create ACL_USER entry for uid */ - if (entry == NULL) { - ret = acl_create_entry(&acl, &entry); - if (ret != 0) - goto out; - acl_set_tag_type(entry, ACL_USER); - acl_set_qualifier(entry, &uid); - } - - /* add permissions for uid */ - acl_get_permset(entry, &permset); - acl_add_perm(permset, ACL_READ|ACL_WRITE); + int get; + acl_t acl; + acl_entry_t entry = NULL; + acl_entry_t e; + acl_permset_t permset; + int ret; + + /* don't touch ACLs for root */ + if (uid == 0) + return 0; + + /* read current record */ + acl = acl_get_file(filename, ACL_TYPE_ACCESS); + if (!acl) + return -1; + + /* locate ACL_USER entry for uid */ + get = acl_get_entry(acl, ACL_FIRST_ENTRY, &e); + while (get == 1) { + acl_tag_t t; + + acl_get_tag_type(e, &t); + if (t == ACL_USER) { + uid_t *u; + + u = (uid_t*)acl_get_qualifier(e); + if (u == NULL) { + ret = -1; + goto out; + } + if (*u == uid) { + entry = e; + acl_free(u); + break; + } + acl_free(u); + } + + get = acl_get_entry(acl, ACL_NEXT_ENTRY, &e); + } + + /* remove ACL_USER entry for uid */ + if (!add) { + if (entry == NULL) { + ret = 0; + goto out; + } + acl_delete_entry(acl, entry); + goto update; + } + + /* create ACL_USER entry for uid */ + if (entry == NULL) { + ret = acl_create_entry(&acl, &entry); + if (ret != 0) + goto out; + acl_set_tag_type(entry, ACL_USER); + acl_set_qualifier(entry, &uid); + } + + /* add permissions for uid */ + acl_get_permset(entry, &permset); + acl_add_perm(permset, ACL_READ|ACL_WRITE); update: - /* update record */ - if (debug) - printf("%c%u %s\n", add ? '+' : '-', uid, filename); - acl_calc_mask(&acl); - ret = acl_set_file(filename, ACL_TYPE_ACCESS, acl); - if (ret != 0) - goto out; + /* update record */ + if (debug) + printf("%c%u %s\n", add ? '+' : '-', uid, filename); + acl_calc_mask(&acl); + ret = acl_set_file(filename, ACL_TYPE_ACCESS, acl); + if (ret != 0) + goto out; out: - acl_free(acl); - return ret; + acl_free(acl); + return ret; } /* check if a given uid is listed */ static int uid_in_list(GSList *list, uid_t uid) { - GSList *l; + GSList *l; - for (l = list; l != NULL; l = g_slist_next(l)) - if (uid == GPOINTER_TO_UINT(l->data)) - return 1; - return 0; + for (l = list; l != NULL; l = g_slist_next(l)) + if (uid == GPOINTER_TO_UINT(l->data)) + return 1; + return 0; } /* return list of current uids of local active sessions */ static GSList *uids_with_local_active_session(const char *own_id) { - GSList *list = NULL; - GKeyFile *keyfile; - - keyfile = g_key_file_new(); - if (g_key_file_load_from_file(keyfile, "/var/run/ConsoleKit/database", 0, NULL)) { - gchar **groups; - - groups = g_key_file_get_groups(keyfile, NULL); - if (groups != NULL) { - int i; - - for (i = 0; groups[i] != NULL; i++) { - uid_t u; - - if (!g_str_has_prefix(groups[i], "Session ")) - continue; - if (own_id != NULL &&g_str_has_suffix(groups[i], own_id)) - continue; - if (!g_key_file_get_boolean(keyfile, groups[i], "is_local", NULL)) - continue; - if (!g_key_file_get_boolean(keyfile, groups[i], "is_active", NULL)) - continue; - u = g_key_file_get_integer(keyfile, groups[i], "uid", NULL); - if (u > 0 && !uid_in_list(list, u)) - list = g_slist_prepend(list, GUINT_TO_POINTER(u)); - } - g_strfreev(groups); - } - } - g_key_file_free(keyfile); - - return list; + GSList *list = NULL; + GKeyFile *keyfile; + + keyfile = g_key_file_new(); + if (g_key_file_load_from_file(keyfile, "/var/run/ConsoleKit/database", 0, NULL)) { + gchar **groups; + + groups = g_key_file_get_groups(keyfile, NULL); + if (groups != NULL) { + int i; + + for (i = 0; groups[i] != NULL; i++) { + uid_t u; + + if (!g_str_has_prefix(groups[i], "Session ")) + continue; + if (own_id != NULL &&g_str_has_suffix(groups[i], own_id)) + continue; + if (!g_key_file_get_boolean(keyfile, groups[i], "is_local", NULL)) + continue; + if (!g_key_file_get_boolean(keyfile, groups[i], "is_active", NULL)) + continue; + u = g_key_file_get_integer(keyfile, groups[i], "uid", NULL); + if (u > 0 && !uid_in_list(list, u)) + list = g_slist_prepend(list, GUINT_TO_POINTER(u)); + } + g_strfreev(groups); + } + } + g_key_file_free(keyfile); + + return list; } /* ConsoleKit calls us with special variables */ static int consolekit_called(const char *ck_action, uid_t *uid, uid_t *uid2, const char **remove_session_id, int *action) { - int a = ACTION_NONE; - uid_t u = 0; - uid_t u2 = 0; - const char *s; - const char *s2; - const char *old_session = NULL; - - if (ck_action == NULL || strcmp(ck_action, "seat_active_session_changed") != 0) - return -1; - - /* We can have one of: remove, add, change, no-change */ - s = getenv("CK_SEAT_OLD_SESSION_ID"); - s2 = getenv("CK_SEAT_SESSION_ID"); - if (s == NULL && s2 == NULL) { - return -1; - } else if (s2 == NULL) { - a = ACTION_REMOVE; - } else if (s == NULL) { - a = ACTION_ADD; - } else { - a = ACTION_CHANGE; - } - - switch (a) { - case ACTION_ADD: - s = getenv("CK_SEAT_SESSION_USER_UID"); - if (s == NULL) - return -1; - u = strtoul(s, NULL, 10); - - s = getenv("CK_SEAT_SESSION_IS_LOCAL"); - if (s == NULL) - return -1; - if (strcmp(s, "true") != 0) - return 0; - - break; - case ACTION_REMOVE: - s = getenv("CK_SEAT_OLD_SESSION_USER_UID"); - if (s == NULL) - return -1; - u = strtoul(s, NULL, 10); - - s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL"); - if (s == NULL) - return -1; - if (strcmp(s, "true") != 0) - return 0; - - old_session = getenv("CK_SEAT_OLD_SESSION_ID"); - if (old_session == NULL) - return -1; - - break; - case ACTION_CHANGE: - s = getenv("CK_SEAT_OLD_SESSION_USER_UID"); - if (s == NULL) - return -1; - u = strtoul(s, NULL, 10); - s = getenv("CK_SEAT_SESSION_USER_UID"); - if (s == NULL) - return -1; - u2 = strtoul(s, NULL, 10); - - s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL"); - s2 = getenv("CK_SEAT_SESSION_IS_LOCAL"); - if (s == NULL || s2 == NULL) - return -1; - /* don't process non-local session changes */ - if (strcmp(s, "true") != 0 && strcmp(s2, "true") != 0) - return 0; - - if (strcmp(s, "true") == 0 && strcmp(s, "true") == 0) { - /* process the change */ - if (u == u2) { - /* special case: we noop if we are - * changing between local sessions for - * the same uid */ - a = ACTION_NONE; - } - old_session = getenv("CK_SEAT_OLD_SESSION_ID"); - if (old_session == NULL) - return -1; - } else if (strcmp(s, "true") == 0) { - /* only process the removal */ - a = ACTION_REMOVE; - old_session = getenv("CK_SEAT_OLD_SESSION_ID"); - if (old_session == NULL) - return -1; - } else if (strcmp(s2, "true") == 0) { - /* only process the addition */ - a = ACTION_ADD; - u = u2; - } - break; - } - - *remove_session_id = old_session; - *uid = u; - *uid2 = u2; - *action = a; - return 0; + int a = ACTION_NONE; + uid_t u = 0; + uid_t u2 = 0; + const char *s; + const char *s2; + const char *old_session = NULL; + + if (ck_action == NULL || strcmp(ck_action, "seat_active_session_changed") != 0) + return -1; + + /* We can have one of: remove, add, change, no-change */ + s = getenv("CK_SEAT_OLD_SESSION_ID"); + s2 = getenv("CK_SEAT_SESSION_ID"); + if (s == NULL && s2 == NULL) { + return -1; + } else if (s2 == NULL) { + a = ACTION_REMOVE; + } else if (s == NULL) { + a = ACTION_ADD; + } else { + a = ACTION_CHANGE; + } + + switch (a) { + case ACTION_ADD: + s = getenv("CK_SEAT_SESSION_USER_UID"); + if (s == NULL) + return -1; + u = strtoul(s, NULL, 10); + + s = getenv("CK_SEAT_SESSION_IS_LOCAL"); + if (s == NULL) + return -1; + if (strcmp(s, "true") != 0) + return 0; + + break; + case ACTION_REMOVE: + s = getenv("CK_SEAT_OLD_SESSION_USER_UID"); + if (s == NULL) + return -1; + u = strtoul(s, NULL, 10); + + s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL"); + if (s == NULL) + return -1; + if (strcmp(s, "true") != 0) + return 0; + + old_session = getenv("CK_SEAT_OLD_SESSION_ID"); + if (old_session == NULL) + return -1; + + break; + case ACTION_CHANGE: + s = getenv("CK_SEAT_OLD_SESSION_USER_UID"); + if (s == NULL) + return -1; + u = strtoul(s, NULL, 10); + s = getenv("CK_SEAT_SESSION_USER_UID"); + if (s == NULL) + return -1; + u2 = strtoul(s, NULL, 10); + + s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL"); + s2 = getenv("CK_SEAT_SESSION_IS_LOCAL"); + if (s == NULL || s2 == NULL) + return -1; + /* don't process non-local session changes */ + if (strcmp(s, "true") != 0 && strcmp(s2, "true") != 0) + return 0; + + if (strcmp(s, "true") == 0 && strcmp(s, "true") == 0) { + /* process the change */ + if (u == u2) { + /* special case: we noop if we are + * changing between local sessions for + * the same uid */ + a = ACTION_NONE; + } + old_session = getenv("CK_SEAT_OLD_SESSION_ID"); + if (old_session == NULL) + return -1; + } else if (strcmp(s, "true") == 0) { + /* only process the removal */ + a = ACTION_REMOVE; + old_session = getenv("CK_SEAT_OLD_SESSION_ID"); + if (old_session == NULL) + return -1; + } else if (strcmp(s2, "true") == 0) { + /* only process the addition */ + a = ACTION_ADD; + u = u2; + } + break; + } + + *remove_session_id = old_session; + *uid = u; + *uid2 = u2; + *action = a; + return 0; } /* add or remove a ACL for a given uid from all matching devices */ static void apply_acl_to_devices(uid_t uid, int add) { - struct udev *udev; - struct udev_enumerate *enumerate; - struct udev_list_entry *list_entry; - - /* iterate over all devices tagged with ACL_SET */ - udev = udev_new(); - enumerate = udev_enumerate_new(udev); - udev_enumerate_add_match_tag(enumerate, "udev-acl"); - udev_enumerate_scan_devices(enumerate); - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { - struct udev_device *device; - const char *node; - - device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), - udev_list_entry_get_name(list_entry)); - if (device == NULL) - continue; - node = udev_device_get_devnode(device); - if (node == NULL) { - udev_device_unref(device); - continue; - } - set_facl(node, uid, add); - udev_device_unref(device); - } - udev_enumerate_unref(enumerate); - udev_unref(udev); + struct udev *udev; + struct udev_enumerate *enumerate; + struct udev_list_entry *list_entry; + + /* iterate over all devices tagged with ACL_SET */ + udev = udev_new(); + enumerate = udev_enumerate_new(udev); + udev_enumerate_add_match_tag(enumerate, "udev-acl"); + udev_enumerate_scan_devices(enumerate); + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { + struct udev_device *device; + const char *node; + + device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), + udev_list_entry_get_name(list_entry)); + if (device == NULL) + continue; + node = udev_device_get_devnode(device); + if (node == NULL) { + udev_device_unref(device); + continue; + } + set_facl(node, uid, add); + udev_device_unref(device); + } + udev_enumerate_unref(enumerate); + udev_unref(udev); } static void remove_uid (uid_t uid, const char *remove_session_id) { - /* - * Remove ACL for given uid from all matching devices - * when there is currently no local active session. - */ - GSList *list; - - list = uids_with_local_active_session(remove_session_id); - if (!uid_in_list(list, uid)) - apply_acl_to_devices(uid, 0); - g_slist_free(list); + /* + * Remove ACL for given uid from all matching devices + * when there is currently no local active session. + */ + GSList *list; + + list = uids_with_local_active_session(remove_session_id); + if (!uid_in_list(list, uid)) + apply_acl_to_devices(uid, 0); + g_slist_free(list); } int main (int argc, char* argv[]) { - static const struct option options[] = { - { "action", required_argument, NULL, 'a' }, - { "device", required_argument, NULL, 'D' }, - { "user", required_argument, NULL, 'u' }, - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - int action = -1; - const char *device = NULL; - bool uid_given = false; - uid_t uid = 0; - uid_t uid2 = 0; - const char* remove_session_id = NULL; - int rc = 0; - - /* valgrind is more important to us than a slice allocator */ - g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, 1); - - while (1) { - int option; - - option = getopt_long(argc, argv, "+a:D:u:dh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'a': - if (strcmp(optarg, "remove") == 0) - action = ACTION_REMOVE; - else - action = ACTION_ADD; - break; - case 'D': - device = optarg; - break; - case 'u': - uid_given = true; - uid = strtoul(optarg, NULL, 10); - break; - case 'd': - debug = 1; - break; - case 'h': - printf("Usage: udev-acl --action=ACTION [--device=DEVICEFILE] [--user=UID]\n\n"); - goto out; - } - } - - if (action < 0 && device == NULL && !uid_given) - if (!consolekit_called(argv[optind], &uid, &uid2, &remove_session_id, &action)) - uid_given = true; - - if (action < 0) { - fprintf(stderr, "missing action\n\n"); - rc = 2; - goto out; - } - - if (device != NULL && uid_given) { - fprintf(stderr, "only one option, --device=DEVICEFILE or --user=UID expected\n\n"); - rc = 3; - goto out; - } - - if (uid_given) { - switch (action) { - case ACTION_ADD: - /* Add ACL for given uid to all matching devices. */ - apply_acl_to_devices(uid, 1); - break; - case ACTION_REMOVE: - remove_uid(uid, remove_session_id); - break; - case ACTION_CHANGE: - remove_uid(uid, remove_session_id); - apply_acl_to_devices(uid2, 1); - break; - case ACTION_NONE: - goto out; - break; - default: - g_assert_not_reached(); - break; - } - } else if (device != NULL) { - /* - * Add ACLs for all current session uids to a given device. - * - * Or remove ACLs for uids which do not have any current local - * active session. Remove is not really interesting, because in - * most cases the device node is removed anyway. - */ - GSList *list; - GSList *l; - - list = uids_with_local_active_session(NULL); - for (l = list; l != NULL; l = g_slist_next(l)) { - uid_t u; - - u = GPOINTER_TO_UINT(l->data); - if (action == ACTION_ADD || !uid_in_list(list, u)) - set_facl(device, u, action == ACTION_ADD); - } - g_slist_free(list); - } else { - fprintf(stderr, "--device=DEVICEFILE or --user=UID expected\n\n"); - rc = 3; - } + static const struct option options[] = { + { "action", required_argument, NULL, 'a' }, + { "device", required_argument, NULL, 'D' }, + { "user", required_argument, NULL, 'u' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + int action = -1; + const char *device = NULL; + bool uid_given = false; + uid_t uid = 0; + uid_t uid2 = 0; + const char* remove_session_id = NULL; + int rc = 0; + + /* valgrind is more important to us than a slice allocator */ + g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, 1); + + while (1) { + int option; + + option = getopt_long(argc, argv, "+a:D:u:dh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'a': + if (strcmp(optarg, "remove") == 0) + action = ACTION_REMOVE; + else + action = ACTION_ADD; + break; + case 'D': + device = optarg; + break; + case 'u': + uid_given = true; + uid = strtoul(optarg, NULL, 10); + break; + case 'd': + debug = 1; + break; + case 'h': + printf("Usage: udev-acl --action=ACTION [--device=DEVICEFILE] [--user=UID]\n\n"); + goto out; + } + } + + if (action < 0 && device == NULL && !uid_given) + if (!consolekit_called(argv[optind], &uid, &uid2, &remove_session_id, &action)) + uid_given = true; + + if (action < 0) { + fprintf(stderr, "missing action\n\n"); + rc = 2; + goto out; + } + + if (device != NULL && uid_given) { + fprintf(stderr, "only one option, --device=DEVICEFILE or --user=UID expected\n\n"); + rc = 3; + goto out; + } + + if (uid_given) { + switch (action) { + case ACTION_ADD: + /* Add ACL for given uid to all matching devices. */ + apply_acl_to_devices(uid, 1); + break; + case ACTION_REMOVE: + remove_uid(uid, remove_session_id); + break; + case ACTION_CHANGE: + remove_uid(uid, remove_session_id); + apply_acl_to_devices(uid2, 1); + break; + case ACTION_NONE: + goto out; + break; + default: + g_assert_not_reached(); + break; + } + } else if (device != NULL) { + /* + * Add ACLs for all current session uids to a given device. + * + * Or remove ACLs for uids which do not have any current local + * active session. Remove is not really interesting, because in + * most cases the device node is removed anyway. + */ + GSList *list; + GSList *l; + + list = uids_with_local_active_session(NULL); + for (l = list; l != NULL; l = g_slist_next(l)) { + uid_t u; + + u = GPOINTER_TO_UINT(l->data); + if (action == ACTION_ADD || !uid_in_list(list, u)) + set_facl(device, u, action == ACTION_ADD); + } + g_slist_free(list); + } else { + fprintf(stderr, "--device=DEVICEFILE or --user=UID expected\n\n"); + rc = 3; + } out: - return rc; + return rc; } diff --git a/src/extras/v4l_id/v4l_id.c b/src/extras/v4l_id/v4l_id.c index 21cb3285a..a2a80b5f4 100644 --- a/src/extras/v4l_id/v4l_id.c +++ b/src/extras/v4l_id/v4l_id.c @@ -32,56 +32,56 @@ int main (int argc, char *argv[]) { - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - {} - }; - int fd; - char *device; - struct v4l2_capability v2cap; + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + {} + }; + int fd; + char *device; + struct v4l2_capability v2cap; - while (1) { - int option; + while (1) { + int option; - option = getopt_long(argc, argv, "h", options, NULL); - if (option == -1) - break; + option = getopt_long(argc, argv, "h", options, NULL); + if (option == -1) + break; - switch (option) { - case 'h': - printf("Usage: v4l_id [--help] \n\n"); - return 0; - default: - return 1; - } - } - device = argv[optind]; + switch (option) { + case 'h': + printf("Usage: v4l_id [--help] \n\n"); + return 0; + default: + return 1; + } + } + device = argv[optind]; - if (device == NULL) - return 2; - fd = open (device, O_RDONLY); - if (fd < 0) - return 3; + if (device == NULL) + return 2; + fd = open (device, O_RDONLY); + if (fd < 0) + return 3; - if (ioctl (fd, VIDIOC_QUERYCAP, &v2cap) == 0) { - printf("ID_V4L_VERSION=2\n"); - printf("ID_V4L_PRODUCT=%s\n", v2cap.card); - printf("ID_V4L_CAPABILITIES=:"); - if ((v2cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) > 0) - printf("capture:"); - if ((v2cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) > 0) - printf("video_output:"); - if ((v2cap.capabilities & V4L2_CAP_VIDEO_OVERLAY) > 0) - printf("video_overlay:"); - if ((v2cap.capabilities & V4L2_CAP_AUDIO) > 0) - printf("audio:"); - if ((v2cap.capabilities & V4L2_CAP_TUNER) > 0) - printf("tuner:"); - if ((v2cap.capabilities & V4L2_CAP_RADIO) > 0) - printf("radio:"); - printf("\n"); - } + if (ioctl (fd, VIDIOC_QUERYCAP, &v2cap) == 0) { + printf("ID_V4L_VERSION=2\n"); + printf("ID_V4L_PRODUCT=%s\n", v2cap.card); + printf("ID_V4L_CAPABILITIES=:"); + if ((v2cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) > 0) + printf("capture:"); + if ((v2cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) > 0) + printf("video_output:"); + if ((v2cap.capabilities & V4L2_CAP_VIDEO_OVERLAY) > 0) + printf("video_overlay:"); + if ((v2cap.capabilities & V4L2_CAP_AUDIO) > 0) + printf("audio:"); + if ((v2cap.capabilities & V4L2_CAP_TUNER) > 0) + printf("tuner:"); + if ((v2cap.capabilities & V4L2_CAP_RADIO) > 0) + printf("radio:"); + printf("\n"); + } - close (fd); - return 0; + close (fd); + return 0; } diff --git a/src/libudev-device-private.c b/src/libudev-device-private.c index 487d39bb5..13fdb8eb5 100644 --- a/src/libudev-device-private.c +++ b/src/libudev-device-private.c @@ -24,162 +24,162 @@ static void udev_device_tag(struct udev_device *dev, const char *tag, bool add) { - const char *id; - struct udev *udev = udev_device_get_udev(dev); - char filename[UTIL_PATH_SIZE]; - - id = udev_device_get_id_filename(dev); - if (id == NULL) - return; - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags/", tag, "/", id, NULL); - - if (add) { - int fd; - - util_create_path(udev, filename); - fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444); - if (fd >= 0) - close(fd); - } else { - unlink(filename); - } + const char *id; + struct udev *udev = udev_device_get_udev(dev); + char filename[UTIL_PATH_SIZE]; + + id = udev_device_get_id_filename(dev); + if (id == NULL) + return; + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags/", tag, "/", id, NULL); + + if (add) { + int fd; + + util_create_path(udev, filename); + fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444); + if (fd >= 0) + close(fd); + } else { + unlink(filename); + } } int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, bool add) { - struct udev_list_entry *list_entry; - bool found; - - if (add && dev_old != NULL) { - /* delete possible left-over tags */ - udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev_old)) { - const char *tag_old = udev_list_entry_get_name(list_entry); - struct udev_list_entry *list_entry_current; - - found = false; - udev_list_entry_foreach(list_entry_current, udev_device_get_tags_list_entry(dev)) { - const char *tag = udev_list_entry_get_name(list_entry_current); - - if (strcmp(tag, tag_old) == 0) { - found = true; - break; - } - } - if (!found) - udev_device_tag(dev_old, tag_old, false); - } - } - - udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev)) - udev_device_tag(dev, udev_list_entry_get_name(list_entry), add); - - return 0; + struct udev_list_entry *list_entry; + bool found; + + if (add && dev_old != NULL) { + /* delete possible left-over tags */ + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev_old)) { + const char *tag_old = udev_list_entry_get_name(list_entry); + struct udev_list_entry *list_entry_current; + + found = false; + udev_list_entry_foreach(list_entry_current, udev_device_get_tags_list_entry(dev)) { + const char *tag = udev_list_entry_get_name(list_entry_current); + + if (strcmp(tag, tag_old) == 0) { + found = true; + break; + } + } + if (!found) + udev_device_tag(dev_old, tag_old, false); + } + } + + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev)) + udev_device_tag(dev, udev_list_entry_get_name(list_entry), add); + + return 0; } static bool device_has_info(struct udev_device *udev_device) { - struct udev_list_entry *list_entry; - - if (udev_device_get_devlinks_list_entry(udev_device) != NULL) - return true; - if (udev_device_get_devlink_priority(udev_device) != 0) - return true; - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) - if (udev_list_entry_get_num(list_entry)) - return true; - if (udev_device_get_tags_list_entry(udev_device) != NULL) - return true; - if (udev_device_get_watch_handle(udev_device) >= 0) - return true; - return false; + struct udev_list_entry *list_entry; + + if (udev_device_get_devlinks_list_entry(udev_device) != NULL) + return true; + if (udev_device_get_devlink_priority(udev_device) != 0) + return true; + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) + if (udev_list_entry_get_num(list_entry)) + return true; + if (udev_device_get_tags_list_entry(udev_device) != NULL) + return true; + if (udev_device_get_watch_handle(udev_device) >= 0) + return true; + return false; } int udev_device_update_db(struct udev_device *udev_device) { - bool has_info; - const char *id; - struct udev *udev = udev_device_get_udev(udev_device); - char filename[UTIL_PATH_SIZE]; - char filename_tmp[UTIL_PATH_SIZE]; - FILE *f; - - id = udev_device_get_id_filename(udev_device); - if (id == NULL) - return -1; - - has_info = device_has_info(udev_device); - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL); - - /* do not store anything for otherwise empty devices */ - if (!has_info && - major(udev_device_get_devnum(udev_device)) == 0 && - udev_device_get_ifindex(udev_device) == 0) { - unlink(filename); - return 0; - } - - /* write a database file */ - util_strscpyl(filename_tmp, sizeof(filename_tmp), filename, ".tmp", NULL); - util_create_path(udev, filename_tmp); - f = fopen(filename_tmp, "we"); - if (f == NULL) { - err(udev, "unable to create temporary db file '%s': %m\n", filename_tmp); - return -1; - } - - /* - * set 'sticky' bit to indicate that we should not clean the - * database when we transition from initramfs to the real root - */ - if (udev_device_get_db_persist(udev_device)) - fchmod(fileno(f), 01644); - - if (has_info) { - struct udev_list_entry *list_entry; - - if (major(udev_device_get_devnum(udev_device)) > 0) { - size_t devlen = strlen(udev_get_dev_path(udev))+1; - - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device)) - fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]); - if (udev_device_get_devlink_priority(udev_device) != 0) - fprintf(f, "L:%i\n", udev_device_get_devlink_priority(udev_device)); - if (udev_device_get_watch_handle(udev_device) >= 0) - fprintf(f, "W:%i\n", udev_device_get_watch_handle(udev_device)); - } - - if (udev_device_get_usec_initialized(udev_device) > 0) - fprintf(f, "I:%llu\n", udev_device_get_usec_initialized(udev_device)); - - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) { - if (!udev_list_entry_get_num(list_entry)) - continue; - fprintf(f, "E:%s=%s\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - } - - udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) - fprintf(f, "G:%s\n", udev_list_entry_get_name(list_entry)); - } - - fclose(f); - rename(filename_tmp, filename); - info(udev, "created %s file '%s' for '%s'\n", has_info ? "db" : "empty", - filename, udev_device_get_devpath(udev_device)); - return 0; + bool has_info; + const char *id; + struct udev *udev = udev_device_get_udev(udev_device); + char filename[UTIL_PATH_SIZE]; + char filename_tmp[UTIL_PATH_SIZE]; + FILE *f; + + id = udev_device_get_id_filename(udev_device); + if (id == NULL) + return -1; + + has_info = device_has_info(udev_device); + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL); + + /* do not store anything for otherwise empty devices */ + if (!has_info && + major(udev_device_get_devnum(udev_device)) == 0 && + udev_device_get_ifindex(udev_device) == 0) { + unlink(filename); + return 0; + } + + /* write a database file */ + util_strscpyl(filename_tmp, sizeof(filename_tmp), filename, ".tmp", NULL); + util_create_path(udev, filename_tmp); + f = fopen(filename_tmp, "we"); + if (f == NULL) { + err(udev, "unable to create temporary db file '%s': %m\n", filename_tmp); + return -1; + } + + /* + * set 'sticky' bit to indicate that we should not clean the + * database when we transition from initramfs to the real root + */ + if (udev_device_get_db_persist(udev_device)) + fchmod(fileno(f), 01644); + + if (has_info) { + struct udev_list_entry *list_entry; + + if (major(udev_device_get_devnum(udev_device)) > 0) { + size_t devlen = strlen(udev_get_dev_path(udev))+1; + + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device)) + fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]); + if (udev_device_get_devlink_priority(udev_device) != 0) + fprintf(f, "L:%i\n", udev_device_get_devlink_priority(udev_device)); + if (udev_device_get_watch_handle(udev_device) >= 0) + fprintf(f, "W:%i\n", udev_device_get_watch_handle(udev_device)); + } + + if (udev_device_get_usec_initialized(udev_device) > 0) + fprintf(f, "I:%llu\n", udev_device_get_usec_initialized(udev_device)); + + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) { + if (!udev_list_entry_get_num(list_entry)) + continue; + fprintf(f, "E:%s=%s\n", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + } + + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) + fprintf(f, "G:%s\n", udev_list_entry_get_name(list_entry)); + } + + fclose(f); + rename(filename_tmp, filename); + info(udev, "created %s file '%s' for '%s'\n", has_info ? "db" : "empty", + filename, udev_device_get_devpath(udev_device)); + return 0; } int udev_device_delete_db(struct udev_device *udev_device) { - const char *id; - struct udev *udev = udev_device_get_udev(udev_device); - char filename[UTIL_PATH_SIZE]; - - id = udev_device_get_id_filename(udev_device); - if (id == NULL) - return -1; - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL); - unlink(filename); - return 0; + const char *id; + struct udev *udev = udev_device_get_udev(udev_device); + char filename[UTIL_PATH_SIZE]; + + id = udev_device_get_id_filename(udev_device); + if (id == NULL) + return -1; + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL); + unlink(filename); + return 0; } diff --git a/src/libudev-device.c b/src/libudev-device.c index e5950bb4b..a3356cfd1 100644 --- a/src/libudev-device.c +++ b/src/libudev-device.c @@ -44,49 +44,49 @@ * Opaque object representing one kernel sys device. */ struct udev_device { - struct udev *udev; - struct udev_device *parent_device; - char *syspath; - const char *devpath; - char *sysname; - const char *sysnum; - char *devnode; - mode_t devnode_mode; - char *subsystem; - char *devtype; - char *driver; - char *action; - char *devpath_old; - char *id_filename; - char **envp; - char *monitor_buf; - size_t monitor_buf_len; - struct udev_list devlinks_list; - struct udev_list properties_list; - struct udev_list sysattr_value_list; - struct udev_list sysattr_list; - struct udev_list tags_list; - unsigned long long int seqnum; - unsigned long long int usec_initialized; - int devlink_priority; - int refcount; - dev_t devnum; - int ifindex; - int watch_handle; - int maj, min; - bool parent_set; - bool subsystem_set; - bool devtype_set; - bool devlinks_uptodate; - bool envp_uptodate; - bool tags_uptodate; - bool driver_set; - bool info_loaded; - bool db_loaded; - bool uevent_loaded; - bool is_initialized; - bool sysattr_list_read; - bool db_persist; + struct udev *udev; + struct udev_device *parent_device; + char *syspath; + const char *devpath; + char *sysname; + const char *sysnum; + char *devnode; + mode_t devnode_mode; + char *subsystem; + char *devtype; + char *driver; + char *action; + char *devpath_old; + char *id_filename; + char **envp; + char *monitor_buf; + size_t monitor_buf_len; + struct udev_list devlinks_list; + struct udev_list properties_list; + struct udev_list sysattr_value_list; + struct udev_list sysattr_list; + struct udev_list tags_list; + unsigned long long int seqnum; + unsigned long long int usec_initialized; + int devlink_priority; + int refcount; + dev_t devnum; + int ifindex; + int watch_handle; + int maj, min; + bool parent_set; + bool subsystem_set; + bool devtype_set; + bool devlinks_uptodate; + bool envp_uptodate; + bool tags_uptodate; + bool driver_set; + bool info_loaded; + bool db_loaded; + bool uevent_loaded; + bool is_initialized; + bool sysattr_list_read; + bool db_persist; }; /** @@ -100,36 +100,36 @@ struct udev_device { **/ UDEV_EXPORT unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device) { - if (udev_device == NULL) - return 0; - return udev_device->seqnum; + if (udev_device == NULL) + return 0; + return udev_device->seqnum; } static int udev_device_set_seqnum(struct udev_device *udev_device, unsigned long long int seqnum) { - char num[32]; + char num[32]; - udev_device->seqnum = seqnum; - snprintf(num, sizeof(num), "%llu", seqnum); - udev_device_add_property(udev_device, "SEQNUM", num); - return 0; + udev_device->seqnum = seqnum; + snprintf(num, sizeof(num), "%llu", seqnum); + udev_device_add_property(udev_device, "SEQNUM", num); + return 0; } int udev_device_get_ifindex(struct udev_device *udev_device) { - if (!udev_device->info_loaded) - udev_device_read_uevent_file(udev_device); - return udev_device->ifindex; + if (!udev_device->info_loaded) + udev_device_read_uevent_file(udev_device); + return udev_device->ifindex; } static int udev_device_set_ifindex(struct udev_device *udev_device, int ifindex) { - char num[32]; + char num[32]; - udev_device->ifindex = ifindex; - snprintf(num, sizeof(num), "%u", ifindex); - udev_device_add_property(udev_device, "IFINDEX", num); - return 0; + udev_device->ifindex = ifindex; + snprintf(num, sizeof(num), "%u", ifindex); + udev_device_add_property(udev_device, "IFINDEX", num); + return 0; } /** @@ -140,45 +140,45 @@ static int udev_device_set_ifindex(struct udev_device *udev_device, int ifindex) **/ UDEV_EXPORT dev_t udev_device_get_devnum(struct udev_device *udev_device) { - if (udev_device == NULL) - return makedev(0, 0); - if (!udev_device->info_loaded) - udev_device_read_uevent_file(udev_device); - return udev_device->devnum; + if (udev_device == NULL) + return makedev(0, 0); + if (!udev_device->info_loaded) + udev_device_read_uevent_file(udev_device); + return udev_device->devnum; } static int udev_device_set_devnum(struct udev_device *udev_device, dev_t devnum) { - char num[32]; + char num[32]; - udev_device->devnum = devnum; + udev_device->devnum = devnum; - snprintf(num, sizeof(num), "%u", major(devnum)); - udev_device_add_property(udev_device, "MAJOR", num); - snprintf(num, sizeof(num), "%u", minor(devnum)); - udev_device_add_property(udev_device, "MINOR", num); - return 0; + snprintf(num, sizeof(num), "%u", major(devnum)); + udev_device_add_property(udev_device, "MAJOR", num); + snprintf(num, sizeof(num), "%u", minor(devnum)); + udev_device_add_property(udev_device, "MINOR", num); + return 0; } const char *udev_device_get_devpath_old(struct udev_device *udev_device) { - return udev_device->devpath_old; + return udev_device->devpath_old; } static int udev_device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old) { - const char *pos; + const char *pos; - free(udev_device->devpath_old); - udev_device->devpath_old = strdup(devpath_old); - if (udev_device->devpath_old == NULL) - return -ENOMEM; - udev_device_add_property(udev_device, "DEVPATH_OLD", udev_device->devpath_old); + free(udev_device->devpath_old); + udev_device->devpath_old = strdup(devpath_old); + if (udev_device->devpath_old == NULL) + return -ENOMEM; + udev_device_add_property(udev_device, "DEVPATH_OLD", udev_device->devpath_old); - pos = strrchr(udev_device->devpath_old, '/'); - if (pos == NULL) - return -EINVAL; - return 0; + pos = strrchr(udev_device->devpath_old, '/'); + if (pos == NULL) + return -EINVAL; + return 0; } /** @@ -189,27 +189,27 @@ static int udev_device_set_devpath_old(struct udev_device *udev_device, const ch **/ UDEV_EXPORT const char *udev_device_get_driver(struct udev_device *udev_device) { - char driver[UTIL_NAME_SIZE]; + char driver[UTIL_NAME_SIZE]; - if (udev_device == NULL) - return NULL; - if (!udev_device->driver_set) { - udev_device->driver_set = true; - if (util_get_sys_core_link_value(udev_device->udev, "driver", udev_device->syspath, driver, sizeof(driver)) > 0) - udev_device->driver = strdup(driver); - } - return udev_device->driver; + if (udev_device == NULL) + return NULL; + if (!udev_device->driver_set) { + udev_device->driver_set = true; + if (util_get_sys_core_link_value(udev_device->udev, "driver", udev_device->syspath, driver, sizeof(driver)) > 0) + udev_device->driver = strdup(driver); + } + return udev_device->driver; } static int udev_device_set_driver(struct udev_device *udev_device, const char *driver) { - free(udev_device->driver); - udev_device->driver = strdup(driver); - if (udev_device->driver == NULL) - return -ENOMEM; - udev_device->driver_set = true; - udev_device_add_property(udev_device, "DRIVER", udev_device->driver); - return 0; + free(udev_device->driver); + udev_device->driver = strdup(driver); + if (udev_device->driver == NULL) + return -ENOMEM; + udev_device->driver_set = true; + udev_device_add_property(udev_device, "DRIVER", udev_device->driver); + return 0; } /** @@ -222,35 +222,35 @@ static int udev_device_set_driver(struct udev_device *udev_device, const char *d **/ UDEV_EXPORT const char *udev_device_get_devtype(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - if (!udev_device->devtype_set) { - udev_device->devtype_set = true; - udev_device_read_uevent_file(udev_device); - } - return udev_device->devtype; + if (udev_device == NULL) + return NULL; + if (!udev_device->devtype_set) { + udev_device->devtype_set = true; + udev_device_read_uevent_file(udev_device); + } + return udev_device->devtype; } static int udev_device_set_devtype(struct udev_device *udev_device, const char *devtype) { - free(udev_device->devtype); - udev_device->devtype = strdup(devtype); - if (udev_device->devtype == NULL) - return -ENOMEM; - udev_device->devtype_set = true; - udev_device_add_property(udev_device, "DEVTYPE", udev_device->devtype); - return 0; + free(udev_device->devtype); + udev_device->devtype = strdup(devtype); + if (udev_device->devtype == NULL) + return -ENOMEM; + udev_device->devtype_set = true; + udev_device_add_property(udev_device, "DEVTYPE", udev_device->devtype); + return 0; } static int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem) { - free(udev_device->subsystem); - udev_device->subsystem = strdup(subsystem); - if (udev_device->subsystem == NULL) - return -ENOMEM; - udev_device->subsystem_set = true; - udev_device_add_property(udev_device, "SUBSYSTEM", udev_device->subsystem); - return 0; + free(udev_device->subsystem); + udev_device->subsystem = strdup(subsystem); + if (udev_device->subsystem == NULL) + return -ENOMEM; + udev_device->subsystem_set = true; + udev_device_add_property(udev_device, "SUBSYSTEM", udev_device->subsystem); + return 0; } /** @@ -264,82 +264,82 @@ static int udev_device_set_subsystem(struct udev_device *udev_device, const char **/ UDEV_EXPORT const char *udev_device_get_subsystem(struct udev_device *udev_device) { - char subsystem[UTIL_NAME_SIZE]; - - if (udev_device == NULL) - return NULL; - if (!udev_device->subsystem_set) { - udev_device->subsystem_set = true; - /* read "subsystem" link */ - if (util_get_sys_core_link_value(udev_device->udev, "subsystem", udev_device->syspath, subsystem, sizeof(subsystem)) > 0) { - udev_device_set_subsystem(udev_device, subsystem); - return udev_device->subsystem; - } - /* implicit names */ - if (strncmp(udev_device->devpath, "/module/", 8) == 0) { - udev_device_set_subsystem(udev_device, "module"); - return udev_device->subsystem; - } - if (strstr(udev_device->devpath, "/drivers/") != NULL) { - udev_device_set_subsystem(udev_device, "drivers"); - return udev_device->subsystem; - } - if (strncmp(udev_device->devpath, "/subsystem/", 11) == 0 || - strncmp(udev_device->devpath, "/class/", 7) == 0 || - strncmp(udev_device->devpath, "/bus/", 5) == 0) { - udev_device_set_subsystem(udev_device, "subsystem"); - return udev_device->subsystem; - } - } - return udev_device->subsystem; + char subsystem[UTIL_NAME_SIZE]; + + if (udev_device == NULL) + return NULL; + if (!udev_device->subsystem_set) { + udev_device->subsystem_set = true; + /* read "subsystem" link */ + if (util_get_sys_core_link_value(udev_device->udev, "subsystem", udev_device->syspath, subsystem, sizeof(subsystem)) > 0) { + udev_device_set_subsystem(udev_device, subsystem); + return udev_device->subsystem; + } + /* implicit names */ + if (strncmp(udev_device->devpath, "/module/", 8) == 0) { + udev_device_set_subsystem(udev_device, "module"); + return udev_device->subsystem; + } + if (strstr(udev_device->devpath, "/drivers/") != NULL) { + udev_device_set_subsystem(udev_device, "drivers"); + return udev_device->subsystem; + } + if (strncmp(udev_device->devpath, "/subsystem/", 11) == 0 || + strncmp(udev_device->devpath, "/class/", 7) == 0 || + strncmp(udev_device->devpath, "/bus/", 5) == 0) { + udev_device_set_subsystem(udev_device, "subsystem"); + return udev_device->subsystem; + } + } + return udev_device->subsystem; } mode_t udev_device_get_devnode_mode(struct udev_device *udev_device) { - if (!udev_device->info_loaded) - udev_device_read_uevent_file(udev_device); - return udev_device->devnode_mode; + if (!udev_device->info_loaded) + udev_device_read_uevent_file(udev_device); + return udev_device->devnode_mode; } static int udev_device_set_devnode_mode(struct udev_device *udev_device, mode_t mode) { - char num[32]; + char num[32]; - udev_device->devnode_mode = mode; - snprintf(num, sizeof(num), "%#o", mode); - udev_device_add_property(udev_device, "DEVMODE", num); - return 0; + udev_device->devnode_mode = mode; + snprintf(num, sizeof(num), "%#o", mode); + udev_device_add_property(udev_device, "DEVMODE", num); + return 0; } struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value) { - udev_device->envp_uptodate = false; - if (value == NULL) { - struct udev_list_entry *list_entry; + udev_device->envp_uptodate = false; + if (value == NULL) { + struct udev_list_entry *list_entry; - list_entry = udev_device_get_properties_list_entry(udev_device); - list_entry = udev_list_entry_get_by_name(list_entry, key); - if (list_entry != NULL) - udev_list_entry_delete(list_entry); - return NULL; - } - return udev_list_entry_add(&udev_device->properties_list, key, value); + list_entry = udev_device_get_properties_list_entry(udev_device); + list_entry = udev_list_entry_get_by_name(list_entry, key); + if (list_entry != NULL) + udev_list_entry_delete(list_entry); + return NULL; + } + return udev_list_entry_add(&udev_device->properties_list, key, value); } static struct udev_list_entry *udev_device_add_property_from_string(struct udev_device *udev_device, const char *property) { - char name[UTIL_LINE_SIZE]; - char *val; + char name[UTIL_LINE_SIZE]; + char *val; - util_strscpy(name, sizeof(name), property); - val = strchr(name, '='); - if (val == NULL) - return NULL; - val[0] = '\0'; - val = &val[1]; - if (val[0] == '\0') - val = NULL; - return udev_device_add_property(udev_device, name, val); + util_strscpy(name, sizeof(name), property); + val = strchr(name, '='); + if (val == NULL) + return NULL; + val[0] = '\0'; + val = &val[1]; + if (val[0] == '\0') + val = NULL; + return udev_device_add_property(udev_device, name, val); } /* @@ -353,86 +353,86 @@ static struct udev_list_entry *udev_device_add_property_from_string(struct udev_ */ void udev_device_add_property_from_string_parse(struct udev_device *udev_device, const char *property) { - if (strncmp(property, "DEVPATH=", 8) == 0) { - char path[UTIL_PATH_SIZE]; - - util_strscpyl(path, sizeof(path), udev_get_sys_path(udev_device->udev), &property[8], NULL); - udev_device_set_syspath(udev_device, path); - } else if (strncmp(property, "SUBSYSTEM=", 10) == 0) { - udev_device_set_subsystem(udev_device, &property[10]); - } else if (strncmp(property, "DEVTYPE=", 8) == 0) { - udev_device_set_devtype(udev_device, &property[8]); - } else if (strncmp(property, "DEVNAME=", 8) == 0) { - udev_device_set_devnode(udev_device, &property[8]); - } else if (strncmp(property, "DEVLINKS=", 9) == 0) { - char devlinks[UTIL_PATH_SIZE]; - char *slink; - char *next; - - util_strscpy(devlinks, sizeof(devlinks), &property[9]); - slink = devlinks; - next = strchr(slink, ' '); - while (next != NULL) { - next[0] = '\0'; - udev_device_add_devlink(udev_device, slink, 0); - slink = &next[1]; - next = strchr(slink, ' '); - } - if (slink[0] != '\0') - udev_device_add_devlink(udev_device, slink, 0); - } else if (strncmp(property, "TAGS=", 5) == 0) { - char tags[UTIL_PATH_SIZE]; - char *next; - - util_strscpy(tags, sizeof(tags), &property[5]); - next = strchr(tags, ':'); - if (next != NULL) { - next++; - while (next[0] != '\0') { - char *tag; - - tag = next; - next = strchr(tag, ':'); - if (next == NULL) - break; - next[0] = '\0'; - next++; - udev_device_add_tag(udev_device, tag); - } - } - } else if (strncmp(property, "USEC_INITIALIZED=", 19) == 0) { - udev_device_set_usec_initialized(udev_device, strtoull(&property[19], NULL, 10)); - } else if (strncmp(property, "DRIVER=", 7) == 0) { - udev_device_set_driver(udev_device, &property[7]); - } else if (strncmp(property, "ACTION=", 7) == 0) { - udev_device_set_action(udev_device, &property[7]); - } else if (strncmp(property, "MAJOR=", 6) == 0) { - udev_device->maj = strtoull(&property[6], NULL, 10); - } else if (strncmp(property, "MINOR=", 6) == 0) { - udev_device->min = strtoull(&property[6], NULL, 10); - } else if (strncmp(property, "DEVPATH_OLD=", 12) == 0) { - udev_device_set_devpath_old(udev_device, &property[12]); - } else if (strncmp(property, "SEQNUM=", 7) == 0) { - udev_device_set_seqnum(udev_device, strtoull(&property[7], NULL, 10)); - } else if (strncmp(property, "IFINDEX=", 8) == 0) { - udev_device_set_ifindex(udev_device, strtoull(&property[8], NULL, 10)); - } else if (strncmp(property, "DEVMODE=", 8) == 0) { - udev_device_set_devnode_mode(udev_device, strtoul(&property[8], NULL, 8)); - } else { - udev_device_add_property_from_string(udev_device, property); - } + if (strncmp(property, "DEVPATH=", 8) == 0) { + char path[UTIL_PATH_SIZE]; + + util_strscpyl(path, sizeof(path), udev_get_sys_path(udev_device->udev), &property[8], NULL); + udev_device_set_syspath(udev_device, path); + } else if (strncmp(property, "SUBSYSTEM=", 10) == 0) { + udev_device_set_subsystem(udev_device, &property[10]); + } else if (strncmp(property, "DEVTYPE=", 8) == 0) { + udev_device_set_devtype(udev_device, &property[8]); + } else if (strncmp(property, "DEVNAME=", 8) == 0) { + udev_device_set_devnode(udev_device, &property[8]); + } else if (strncmp(property, "DEVLINKS=", 9) == 0) { + char devlinks[UTIL_PATH_SIZE]; + char *slink; + char *next; + + util_strscpy(devlinks, sizeof(devlinks), &property[9]); + slink = devlinks; + next = strchr(slink, ' '); + while (next != NULL) { + next[0] = '\0'; + udev_device_add_devlink(udev_device, slink, 0); + slink = &next[1]; + next = strchr(slink, ' '); + } + if (slink[0] != '\0') + udev_device_add_devlink(udev_device, slink, 0); + } else if (strncmp(property, "TAGS=", 5) == 0) { + char tags[UTIL_PATH_SIZE]; + char *next; + + util_strscpy(tags, sizeof(tags), &property[5]); + next = strchr(tags, ':'); + if (next != NULL) { + next++; + while (next[0] != '\0') { + char *tag; + + tag = next; + next = strchr(tag, ':'); + if (next == NULL) + break; + next[0] = '\0'; + next++; + udev_device_add_tag(udev_device, tag); + } + } + } else if (strncmp(property, "USEC_INITIALIZED=", 19) == 0) { + udev_device_set_usec_initialized(udev_device, strtoull(&property[19], NULL, 10)); + } else if (strncmp(property, "DRIVER=", 7) == 0) { + udev_device_set_driver(udev_device, &property[7]); + } else if (strncmp(property, "ACTION=", 7) == 0) { + udev_device_set_action(udev_device, &property[7]); + } else if (strncmp(property, "MAJOR=", 6) == 0) { + udev_device->maj = strtoull(&property[6], NULL, 10); + } else if (strncmp(property, "MINOR=", 6) == 0) { + udev_device->min = strtoull(&property[6], NULL, 10); + } else if (strncmp(property, "DEVPATH_OLD=", 12) == 0) { + udev_device_set_devpath_old(udev_device, &property[12]); + } else if (strncmp(property, "SEQNUM=", 7) == 0) { + udev_device_set_seqnum(udev_device, strtoull(&property[7], NULL, 10)); + } else if (strncmp(property, "IFINDEX=", 8) == 0) { + udev_device_set_ifindex(udev_device, strtoull(&property[8], NULL, 10)); + } else if (strncmp(property, "DEVMODE=", 8) == 0) { + udev_device_set_devnode_mode(udev_device, strtoul(&property[8], NULL, 8)); + } else { + udev_device_add_property_from_string(udev_device, property); + } } int udev_device_add_property_from_string_parse_finish(struct udev_device *udev_device) { - if (udev_device->maj > 0) - udev_device_set_devnum(udev_device, makedev(udev_device->maj, udev_device->min)); - udev_device->maj = 0; - udev_device->min = 0; + if (udev_device->maj > 0) + udev_device_set_devnum(udev_device, makedev(udev_device->maj, udev_device->min)); + udev_device->maj = 0; + udev_device->min = 0; - if (udev_device->devpath == NULL || udev_device->subsystem == NULL) - return -EINVAL; - return 0; + if (udev_device->devpath == NULL || udev_device->subsystem == NULL) + return -EINVAL; + return 0; } /** @@ -444,162 +444,162 @@ int udev_device_add_property_from_string_parse_finish(struct udev_device *udev_d **/ UDEV_EXPORT const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key) { - struct udev_list_entry *list_entry; + struct udev_list_entry *list_entry; - if (udev_device == NULL) - return NULL; - if (key == NULL) - return NULL; + if (udev_device == NULL) + return NULL; + if (key == NULL) + return NULL; - list_entry = udev_device_get_properties_list_entry(udev_device); - list_entry = udev_list_entry_get_by_name(list_entry, key); - return udev_list_entry_get_value(list_entry); + list_entry = udev_device_get_properties_list_entry(udev_device); + list_entry = udev_list_entry_get_by_name(list_entry, key); + return udev_list_entry_get_value(list_entry); } int udev_device_read_db(struct udev_device *udev_device, const char *dbfile) { - char filename[UTIL_PATH_SIZE]; - char line[UTIL_LINE_SIZE]; - FILE *f; - - /* providing a database file will always force-load it */ - if (dbfile == NULL) { - const char *id; - - if (udev_device->db_loaded) - return 0; - udev_device->db_loaded = true; - - id = udev_device_get_id_filename(udev_device); - if (id == NULL) - return -1; - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_device->udev), "/data/", id, NULL); - dbfile = filename; - } - - f = fopen(dbfile, "re"); - if (f == NULL) { - info(udev_device->udev, "no db file to read %s: %m\n", dbfile); - return -1; - } - udev_device->is_initialized = true; - - while (fgets(line, sizeof(line), f)) { - ssize_t len; - const char *val; - struct udev_list_entry *entry; - - len = strlen(line); - if (len < 4) - break; - line[len-1] = '\0'; - val = &line[2]; - switch(line[0]) { - case 'S': - util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL); - udev_device_add_devlink(udev_device, filename, 0); - break; - case 'L': - udev_device_set_devlink_priority(udev_device, atoi(val)); - break; - case 'E': - entry = udev_device_add_property_from_string(udev_device, val); - udev_list_entry_set_num(entry, true); - break; - case 'G': - udev_device_add_tag(udev_device, val); - break; - case 'W': - udev_device_set_watch_handle(udev_device, atoi(val)); - break; - case 'I': - udev_device_set_usec_initialized(udev_device, strtoull(val, NULL, 10)); - break; - } - } - fclose(f); - - info(udev_device->udev, "device %p filled with db file data\n", udev_device); - return 0; + char filename[UTIL_PATH_SIZE]; + char line[UTIL_LINE_SIZE]; + FILE *f; + + /* providing a database file will always force-load it */ + if (dbfile == NULL) { + const char *id; + + if (udev_device->db_loaded) + return 0; + udev_device->db_loaded = true; + + id = udev_device_get_id_filename(udev_device); + if (id == NULL) + return -1; + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_device->udev), "/data/", id, NULL); + dbfile = filename; + } + + f = fopen(dbfile, "re"); + if (f == NULL) { + info(udev_device->udev, "no db file to read %s: %m\n", dbfile); + return -1; + } + udev_device->is_initialized = true; + + while (fgets(line, sizeof(line), f)) { + ssize_t len; + const char *val; + struct udev_list_entry *entry; + + len = strlen(line); + if (len < 4) + break; + line[len-1] = '\0'; + val = &line[2]; + switch(line[0]) { + case 'S': + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL); + udev_device_add_devlink(udev_device, filename, 0); + break; + case 'L': + udev_device_set_devlink_priority(udev_device, atoi(val)); + break; + case 'E': + entry = udev_device_add_property_from_string(udev_device, val); + udev_list_entry_set_num(entry, true); + break; + case 'G': + udev_device_add_tag(udev_device, val); + break; + case 'W': + udev_device_set_watch_handle(udev_device, atoi(val)); + break; + case 'I': + udev_device_set_usec_initialized(udev_device, strtoull(val, NULL, 10)); + break; + } + } + fclose(f); + + info(udev_device->udev, "device %p filled with db file data\n", udev_device); + return 0; } int udev_device_read_uevent_file(struct udev_device *udev_device) { - char filename[UTIL_PATH_SIZE]; - FILE *f; - char line[UTIL_LINE_SIZE]; - int maj = 0; - int min = 0; - - if (udev_device->uevent_loaded) - return 0; - - util_strscpyl(filename, sizeof(filename), udev_device->syspath, "/uevent", NULL); - f = fopen(filename, "re"); - if (f == NULL) - return -1; - udev_device->uevent_loaded = true; - - while (fgets(line, sizeof(line), f)) { - char *pos; - - pos = strchr(line, '\n'); - if (pos == NULL) - continue; - pos[0] = '\0'; - - if (strncmp(line, "DEVTYPE=", 8) == 0) - udev_device_set_devtype(udev_device, &line[8]); - else if (strncmp(line, "MAJOR=", 6) == 0) - maj = strtoull(&line[6], NULL, 10); - else if (strncmp(line, "MINOR=", 6) == 0) - min = strtoull(&line[6], NULL, 10); - else if (strncmp(line, "IFINDEX=", 8) == 0) - udev_device_set_ifindex(udev_device, strtoull(&line[8], NULL, 10)); - else if (strncmp(line, "DEVNAME=", 8) == 0) - udev_device_set_devnode(udev_device, &line[8]); - else if (strncmp(line, "DEVMODE=", 8) == 0) - udev_device->devnode_mode = strtoul(&line[8], NULL, 8); - - udev_device_add_property_from_string(udev_device, line); - } - - udev_device->devnum = makedev(maj, min); - fclose(f); - return 0; + char filename[UTIL_PATH_SIZE]; + FILE *f; + char line[UTIL_LINE_SIZE]; + int maj = 0; + int min = 0; + + if (udev_device->uevent_loaded) + return 0; + + util_strscpyl(filename, sizeof(filename), udev_device->syspath, "/uevent", NULL); + f = fopen(filename, "re"); + if (f == NULL) + return -1; + udev_device->uevent_loaded = true; + + while (fgets(line, sizeof(line), f)) { + char *pos; + + pos = strchr(line, '\n'); + if (pos == NULL) + continue; + pos[0] = '\0'; + + if (strncmp(line, "DEVTYPE=", 8) == 0) + udev_device_set_devtype(udev_device, &line[8]); + else if (strncmp(line, "MAJOR=", 6) == 0) + maj = strtoull(&line[6], NULL, 10); + else if (strncmp(line, "MINOR=", 6) == 0) + min = strtoull(&line[6], NULL, 10); + else if (strncmp(line, "IFINDEX=", 8) == 0) + udev_device_set_ifindex(udev_device, strtoull(&line[8], NULL, 10)); + else if (strncmp(line, "DEVNAME=", 8) == 0) + udev_device_set_devnode(udev_device, &line[8]); + else if (strncmp(line, "DEVMODE=", 8) == 0) + udev_device->devnode_mode = strtoul(&line[8], NULL, 8); + + udev_device_add_property_from_string(udev_device, line); + } + + udev_device->devnum = makedev(maj, min); + fclose(f); + return 0; } void udev_device_set_info_loaded(struct udev_device *device) { - device->info_loaded = true; + device->info_loaded = true; } struct udev_device *udev_device_new(struct udev *udev) { - struct udev_device *udev_device; - struct udev_list_entry *list_entry; - - if (udev == NULL) - return NULL; - - udev_device = calloc(1, sizeof(struct udev_device)); - if (udev_device == NULL) - return NULL; - udev_device->refcount = 1; - udev_device->udev = udev; - udev_list_init(udev, &udev_device->devlinks_list, true); - udev_list_init(udev, &udev_device->properties_list, true); - udev_list_init(udev, &udev_device->sysattr_value_list, true); - udev_list_init(udev, &udev_device->sysattr_list, false); - udev_list_init(udev, &udev_device->tags_list, true); - udev_device->watch_handle = -1; - /* copy global properties */ - udev_list_entry_foreach(list_entry, udev_get_properties_list_entry(udev)) - udev_device_add_property(udev_device, - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - dbg(udev_device->udev, "udev_device: %p created\n", udev_device); - return udev_device; + struct udev_device *udev_device; + struct udev_list_entry *list_entry; + + if (udev == NULL) + return NULL; + + udev_device = calloc(1, sizeof(struct udev_device)); + if (udev_device == NULL) + return NULL; + udev_device->refcount = 1; + udev_device->udev = udev; + udev_list_init(udev, &udev_device->devlinks_list, true); + udev_list_init(udev, &udev_device->properties_list, true); + udev_list_init(udev, &udev_device->sysattr_value_list, true); + udev_list_init(udev, &udev_device->sysattr_list, false); + udev_list_init(udev, &udev_device->tags_list, true); + udev_device->watch_handle = -1; + /* copy global properties */ + udev_list_entry_foreach(list_entry, udev_get_properties_list_entry(udev)) + udev_device_add_property(udev_device, + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + dbg(udev_device->udev, "udev_device: %p created\n", udev_device); + return udev_device; } /** @@ -618,62 +618,62 @@ struct udev_device *udev_device_new(struct udev *udev) **/ UDEV_EXPORT struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath) { - size_t len; - const char *subdir; - char path[UTIL_PATH_SIZE]; - char *pos; - struct stat statbuf; - struct udev_device *udev_device; - - if (udev == NULL) - return NULL; - if (syspath == NULL) - return NULL; - - /* path starts in sys */ - len = strlen(udev_get_sys_path(udev)); - if (strncmp(syspath, udev_get_sys_path(udev), len) != 0) { - info(udev, "not in sys :%s\n", syspath); - return NULL; - } - - /* path is not a root directory */ - subdir = &syspath[len+1]; - pos = strrchr(subdir, '/'); - if (pos == NULL || pos[1] == '\0' || pos < &subdir[2]) { - dbg(udev, "not a subdir :%s\n", syspath); - return NULL; - } - - /* resolve possible symlink to real path */ - util_strscpy(path, sizeof(path), syspath); - util_resolve_sys_link(udev, path, sizeof(path)); - - if (strncmp(&path[len], "/devices/", 9) == 0) { - char file[UTIL_PATH_SIZE]; - - /* all "devices" require a "uevent" file */ - util_strscpyl(file, sizeof(file), path, "/uevent", NULL); - if (stat(file, &statbuf) != 0) { - dbg(udev, "not a device: %s\n", syspath); - return NULL; - } - } else { - /* everything else just needs to be a directory */ - if (stat(path, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode)) { - dbg(udev, "directory not found: %s\n", syspath); - return NULL; - } - } - - udev_device = udev_device_new(udev); - if (udev_device == NULL) - return NULL; - - udev_device_set_syspath(udev_device, path); - info(udev, "device %p has devpath '%s'\n", udev_device, udev_device_get_devpath(udev_device)); - - return udev_device; + size_t len; + const char *subdir; + char path[UTIL_PATH_SIZE]; + char *pos; + struct stat statbuf; + struct udev_device *udev_device; + + if (udev == NULL) + return NULL; + if (syspath == NULL) + return NULL; + + /* path starts in sys */ + len = strlen(udev_get_sys_path(udev)); + if (strncmp(syspath, udev_get_sys_path(udev), len) != 0) { + info(udev, "not in sys :%s\n", syspath); + return NULL; + } + + /* path is not a root directory */ + subdir = &syspath[len+1]; + pos = strrchr(subdir, '/'); + if (pos == NULL || pos[1] == '\0' || pos < &subdir[2]) { + dbg(udev, "not a subdir :%s\n", syspath); + return NULL; + } + + /* resolve possible symlink to real path */ + util_strscpy(path, sizeof(path), syspath); + util_resolve_sys_link(udev, path, sizeof(path)); + + if (strncmp(&path[len], "/devices/", 9) == 0) { + char file[UTIL_PATH_SIZE]; + + /* all "devices" require a "uevent" file */ + util_strscpyl(file, sizeof(file), path, "/uevent", NULL); + if (stat(file, &statbuf) != 0) { + dbg(udev, "not a device: %s\n", syspath); + return NULL; + } + } else { + /* everything else just needs to be a directory */ + if (stat(path, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode)) { + dbg(udev, "directory not found: %s\n", syspath); + return NULL; + } + } + + udev_device = udev_device_new(udev); + if (udev_device == NULL) + return NULL; + + udev_device_set_syspath(udev_device, path); + info(udev, "device %p has devpath '%s'\n", udev_device, udev_device_get_devpath(udev_device)); + + return udev_device; } /** @@ -694,75 +694,75 @@ UDEV_EXPORT struct udev_device *udev_device_new_from_syspath(struct udev *udev, **/ UDEV_EXPORT struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum) { - char path[UTIL_PATH_SIZE]; - const char *type_str; + char path[UTIL_PATH_SIZE]; + const char *type_str; - if (type == 'b') - type_str = "block"; - else if (type == 'c') - type_str = "char"; - else - return NULL; + if (type == 'b') + type_str = "block"; + else if (type == 'c') + type_str = "char"; + else + return NULL; - /* use /sys/dev/{block,char}/: link */ - snprintf(path, sizeof(path), "%s/dev/%s/%u:%u", - udev_get_sys_path(udev), type_str, major(devnum), minor(devnum)); - return udev_device_new_from_syspath(udev, path); + /* use /sys/dev/{block,char}/: link */ + snprintf(path, sizeof(path), "%s/dev/%s/%u:%u", + udev_get_sys_path(udev), type_str, major(devnum), minor(devnum)); + return udev_device_new_from_syspath(udev, path); } struct udev_device *udev_device_new_from_id_filename(struct udev *udev, char *id) { - char type; - int maj, min; - char subsys[UTIL_PATH_SIZE]; - char *sysname; - - switch(id[0]) { - case 'b': - case 'c': - if (sscanf(id, "%c%i:%i", &type, &maj, &min) != 3) - return NULL; - return udev_device_new_from_devnum(udev, type, makedev(maj, min)); - case 'n': { - int sk; - struct ifreq ifr; - struct udev_device *dev; - int ifindex; - - ifindex = strtoul(&id[1], NULL, 10); - if (ifindex <= 0) - return NULL; - - sk = socket(PF_INET, SOCK_DGRAM, 0); - if (sk < 0) - return NULL; - memset(&ifr, 0x00, sizeof(struct ifreq)); - ifr.ifr_ifindex = ifindex; - if (ioctl(sk, SIOCGIFNAME, &ifr) != 0) { - close(sk); - return NULL; - } - close(sk); - - dev = udev_device_new_from_subsystem_sysname(udev, "net", ifr.ifr_name); - if (dev == NULL) - return NULL; - if (udev_device_get_ifindex(dev) == ifindex) - return dev; - udev_device_unref(dev); - return NULL; - } - case '+': - util_strscpy(subsys, sizeof(subsys), &id[1]); - sysname = strchr(subsys, ':'); - if (sysname == NULL) - return NULL; - sysname[0] = '\0'; - sysname = &sysname[1]; - return udev_device_new_from_subsystem_sysname(udev, subsys, sysname); - default: - return NULL; - } + char type; + int maj, min; + char subsys[UTIL_PATH_SIZE]; + char *sysname; + + switch(id[0]) { + case 'b': + case 'c': + if (sscanf(id, "%c%i:%i", &type, &maj, &min) != 3) + return NULL; + return udev_device_new_from_devnum(udev, type, makedev(maj, min)); + case 'n': { + int sk; + struct ifreq ifr; + struct udev_device *dev; + int ifindex; + + ifindex = strtoul(&id[1], NULL, 10); + if (ifindex <= 0) + return NULL; + + sk = socket(PF_INET, SOCK_DGRAM, 0); + if (sk < 0) + return NULL; + memset(&ifr, 0x00, sizeof(struct ifreq)); + ifr.ifr_ifindex = ifindex; + if (ioctl(sk, SIOCGIFNAME, &ifr) != 0) { + close(sk); + return NULL; + } + close(sk); + + dev = udev_device_new_from_subsystem_sysname(udev, "net", ifr.ifr_name); + if (dev == NULL) + return NULL; + if (udev_device_get_ifindex(dev) == ifindex) + return dev; + udev_device_unref(dev); + return NULL; + } + case '+': + util_strscpy(subsys, sizeof(subsys), &id[1]); + sysname = strchr(subsys, ':'); + if (sysname == NULL) + return NULL; + sysname[0] = '\0'; + sysname = &sysname[1]; + return udev_device_new_from_subsystem_sysname(udev, subsys, sysname); + default: + return NULL; + } } /** @@ -782,72 +782,72 @@ struct udev_device *udev_device_new_from_id_filename(struct udev *udev, char *id **/ UDEV_EXPORT struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname) { - char path_full[UTIL_PATH_SIZE]; - char *path; - size_t l; - struct stat statbuf; - - path = path_full; - l = util_strpcpyl(&path, sizeof(path_full), udev_get_sys_path(udev), NULL); - - if (strcmp(subsystem, "subsystem") == 0) { - util_strscpyl(path, l, "/subsystem/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - - util_strscpyl(path, l, "/bus/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - - util_strscpyl(path, l, "/class/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - goto out; - } - - if (strcmp(subsystem, "module") == 0) { - util_strscpyl(path, l, "/module/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - goto out; - } - - if (strcmp(subsystem, "drivers") == 0) { - char subsys[UTIL_NAME_SIZE]; - char *driver; - - util_strscpy(subsys, sizeof(subsys), sysname); - driver = strchr(subsys, ':'); - if (driver != NULL) { - driver[0] = '\0'; - driver = &driver[1]; - - util_strscpyl(path, l, "/subsystem/", subsys, "/drivers/", driver, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - - util_strscpyl(path, l, "/bus/", subsys, "/drivers/", driver, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - } - goto out; - } - - util_strscpyl(path, l, "/subsystem/", subsystem, "/devices/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - - util_strscpyl(path, l, "/bus/", subsystem, "/devices/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; - - util_strscpyl(path, l, "/class/", subsystem, "/", sysname, NULL); - if (stat(path_full, &statbuf) == 0) - goto found; + char path_full[UTIL_PATH_SIZE]; + char *path; + size_t l; + struct stat statbuf; + + path = path_full; + l = util_strpcpyl(&path, sizeof(path_full), udev_get_sys_path(udev), NULL); + + if (strcmp(subsystem, "subsystem") == 0) { + util_strscpyl(path, l, "/subsystem/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + + util_strscpyl(path, l, "/bus/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + + util_strscpyl(path, l, "/class/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + goto out; + } + + if (strcmp(subsystem, "module") == 0) { + util_strscpyl(path, l, "/module/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + goto out; + } + + if (strcmp(subsystem, "drivers") == 0) { + char subsys[UTIL_NAME_SIZE]; + char *driver; + + util_strscpy(subsys, sizeof(subsys), sysname); + driver = strchr(subsys, ':'); + if (driver != NULL) { + driver[0] = '\0'; + driver = &driver[1]; + + util_strscpyl(path, l, "/subsystem/", subsys, "/drivers/", driver, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + + util_strscpyl(path, l, "/bus/", subsys, "/drivers/", driver, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + } + goto out; + } + + util_strscpyl(path, l, "/subsystem/", subsystem, "/devices/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + + util_strscpyl(path, l, "/bus/", subsystem, "/devices/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; + + util_strscpyl(path, l, "/class/", subsystem, "/", sysname, NULL); + if (stat(path_full, &statbuf) == 0) + goto found; out: - return NULL; + return NULL; found: - return udev_device_new_from_syspath(udev, path_full); + return udev_device_new_from_syspath(udev, path_full); } /** @@ -866,46 +866,46 @@ found: **/ UDEV_EXPORT struct udev_device *udev_device_new_from_environment(struct udev *udev) { - int i; - struct udev_device *udev_device; + int i; + struct udev_device *udev_device; - udev_device = udev_device_new(udev); - if (udev_device == NULL) - return NULL; - udev_device_set_info_loaded(udev_device); + udev_device = udev_device_new(udev); + if (udev_device == NULL) + return NULL; + udev_device_set_info_loaded(udev_device); - for (i = 0; environ[i] != NULL; i++) - udev_device_add_property_from_string_parse(udev_device, environ[i]); + for (i = 0; environ[i] != NULL; i++) + udev_device_add_property_from_string_parse(udev_device, environ[i]); - if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) { - info(udev, "missing values, invalid device\n"); - udev_device_unref(udev_device); - udev_device = NULL; - } + if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) { + info(udev, "missing values, invalid device\n"); + udev_device_unref(udev_device); + udev_device = NULL; + } - return udev_device; + return udev_device; } static struct udev_device *device_new_from_parent(struct udev_device *udev_device) { - struct udev_device *udev_device_parent = NULL; - char path[UTIL_PATH_SIZE]; - const char *subdir; + struct udev_device *udev_device_parent = NULL; + char path[UTIL_PATH_SIZE]; + const char *subdir; - util_strscpy(path, sizeof(path), udev_device->syspath); - subdir = &path[strlen(udev_get_sys_path(udev_device->udev))+1]; - for (;;) { - char *pos; + util_strscpy(path, sizeof(path), udev_device->syspath); + subdir = &path[strlen(udev_get_sys_path(udev_device->udev))+1]; + for (;;) { + char *pos; - pos = strrchr(subdir, '/'); - if (pos == NULL || pos < &subdir[2]) - break; - pos[0] = '\0'; - udev_device_parent = udev_device_new_from_syspath(udev_device->udev, path); - if (udev_device_parent != NULL) - return udev_device_parent; - } - return NULL; + pos = strrchr(subdir, '/'); + if (pos == NULL || pos < &subdir[2]) + break; + pos[0] = '\0'; + udev_device_parent = udev_device_new_from_syspath(udev_device->udev, path); + if (udev_device_parent != NULL) + return udev_device_parent; + } + return NULL; } /** @@ -929,15 +929,15 @@ static struct udev_device *device_new_from_parent(struct udev_device *udev_devic **/ UDEV_EXPORT struct udev_device *udev_device_get_parent(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - if (!udev_device->parent_set) { - udev_device->parent_set = true; - udev_device->parent_device = device_new_from_parent(udev_device); - } - if (udev_device->parent_device != NULL) - dbg(udev_device->udev, "returning existing parent %p\n", udev_device->parent_device); - return udev_device->parent_device; + if (udev_device == NULL) + return NULL; + if (!udev_device->parent_set) { + udev_device->parent_set = true; + udev_device->parent_device = device_new_from_parent(udev_device); + } + if (udev_device->parent_device != NULL) + dbg(udev_device->udev, "returning existing parent %p\n", udev_device->parent_device); + return udev_device->parent_device; } /** @@ -964,27 +964,27 @@ UDEV_EXPORT struct udev_device *udev_device_get_parent(struct udev_device *udev_ **/ UDEV_EXPORT struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, const char *subsystem, const char *devtype) { - struct udev_device *parent; + struct udev_device *parent; - if (subsystem == NULL) - return NULL; + if (subsystem == NULL) + return NULL; - parent = udev_device_get_parent(udev_device); - while (parent != NULL) { - const char *parent_subsystem; - const char *parent_devtype; + parent = udev_device_get_parent(udev_device); + while (parent != NULL) { + const char *parent_subsystem; + const char *parent_devtype; - parent_subsystem = udev_device_get_subsystem(parent); - if (parent_subsystem != NULL && strcmp(parent_subsystem, subsystem) == 0) { - if (devtype == NULL) - break; - parent_devtype = udev_device_get_devtype(parent); - if (parent_devtype != NULL && strcmp(parent_devtype, devtype) == 0) - break; - } - parent = udev_device_get_parent(parent); - } - return parent; + parent_subsystem = udev_device_get_subsystem(parent); + if (parent_subsystem != NULL && strcmp(parent_subsystem, subsystem) == 0) { + if (devtype == NULL) + break; + parent_devtype = udev_device_get_devtype(parent); + if (parent_devtype != NULL && strcmp(parent_devtype, devtype) == 0) + break; + } + parent = udev_device_get_parent(parent); + } + return parent; } /** @@ -997,9 +997,9 @@ UDEV_EXPORT struct udev_device *udev_device_get_parent_with_subsystem_devtype(st **/ UDEV_EXPORT struct udev *udev_device_get_udev(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - return udev_device->udev; + if (udev_device == NULL) + return NULL; + return udev_device->udev; } /** @@ -1012,10 +1012,10 @@ UDEV_EXPORT struct udev *udev_device_get_udev(struct udev_device *udev_device) **/ UDEV_EXPORT struct udev_device *udev_device_ref(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - udev_device->refcount++; - return udev_device; + if (udev_device == NULL) + return NULL; + udev_device->refcount++; + return udev_device; } /** @@ -1028,31 +1028,31 @@ UDEV_EXPORT struct udev_device *udev_device_ref(struct udev_device *udev_device) **/ UDEV_EXPORT void udev_device_unref(struct udev_device *udev_device) { - if (udev_device == NULL) - return; - udev_device->refcount--; - if (udev_device->refcount > 0) - return; - if (udev_device->parent_device != NULL) - udev_device_unref(udev_device->parent_device); - free(udev_device->syspath); - free(udev_device->sysname); - free(udev_device->devnode); - free(udev_device->subsystem); - free(udev_device->devtype); - udev_list_cleanup(&udev_device->devlinks_list); - udev_list_cleanup(&udev_device->properties_list); - udev_list_cleanup(&udev_device->sysattr_value_list); - udev_list_cleanup(&udev_device->sysattr_list); - udev_list_cleanup(&udev_device->tags_list); - free(udev_device->action); - free(udev_device->driver); - free(udev_device->devpath_old); - free(udev_device->id_filename); - free(udev_device->envp); - free(udev_device->monitor_buf); - dbg(udev_device->udev, "udev_device: %p released\n", udev_device); - free(udev_device); + if (udev_device == NULL) + return; + udev_device->refcount--; + if (udev_device->refcount > 0) + return; + if (udev_device->parent_device != NULL) + udev_device_unref(udev_device->parent_device); + free(udev_device->syspath); + free(udev_device->sysname); + free(udev_device->devnode); + free(udev_device->subsystem); + free(udev_device->devtype); + udev_list_cleanup(&udev_device->devlinks_list); + udev_list_cleanup(&udev_device->properties_list); + udev_list_cleanup(&udev_device->sysattr_value_list); + udev_list_cleanup(&udev_device->sysattr_list); + udev_list_cleanup(&udev_device->tags_list); + free(udev_device->action); + free(udev_device->driver); + free(udev_device->devpath_old); + free(udev_device->id_filename); + free(udev_device->envp); + free(udev_device->monitor_buf); + dbg(udev_device->udev, "udev_device: %p released\n", udev_device); + free(udev_device); } /** @@ -1066,9 +1066,9 @@ UDEV_EXPORT void udev_device_unref(struct udev_device *udev_device) **/ UDEV_EXPORT const char *udev_device_get_devpath(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - return udev_device->devpath; + if (udev_device == NULL) + return NULL; + return udev_device->devpath; } /** @@ -1082,9 +1082,9 @@ UDEV_EXPORT const char *udev_device_get_devpath(struct udev_device *udev_device) **/ UDEV_EXPORT const char *udev_device_get_syspath(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - return udev_device->syspath; + if (udev_device == NULL) + return NULL; + return udev_device->syspath; } /** @@ -1095,9 +1095,9 @@ UDEV_EXPORT const char *udev_device_get_syspath(struct udev_device *udev_device) **/ UDEV_EXPORT const char *udev_device_get_sysname(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - return udev_device->sysname; + if (udev_device == NULL) + return NULL; + return udev_device->sysname; } /** @@ -1108,9 +1108,9 @@ UDEV_EXPORT const char *udev_device_get_sysname(struct udev_device *udev_device) **/ UDEV_EXPORT const char *udev_device_get_sysnum(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - return udev_device->sysnum; + if (udev_device == NULL) + return NULL; + return udev_device->sysnum; } /** @@ -1124,13 +1124,13 @@ UDEV_EXPORT const char *udev_device_get_sysnum(struct udev_device *udev_device) **/ UDEV_EXPORT const char *udev_device_get_devnode(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - if (udev_device->devnode != NULL) - return udev_device->devnode; - if (!udev_device->info_loaded) - udev_device_read_uevent_file(udev_device); - return udev_device->devnode; + if (udev_device == NULL) + return NULL; + if (udev_device->devnode != NULL) + return udev_device->devnode; + if (!udev_device->info_loaded) + udev_device_read_uevent_file(udev_device); + return udev_device->devnode; } /** @@ -1148,17 +1148,17 @@ UDEV_EXPORT const char *udev_device_get_devnode(struct udev_device *udev_device) **/ UDEV_EXPORT struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - return udev_list_get_entry(&udev_device->devlinks_list); + if (udev_device == NULL) + return NULL; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + return udev_list_get_entry(&udev_device->devlinks_list); } void udev_device_cleanup_devlinks_list(struct udev_device *udev_device) { - udev_device->devlinks_uptodate = false; - udev_list_cleanup(&udev_device->devlinks_list); + udev_device->devlinks_uptodate = false; + udev_list_cleanup(&udev_device->devlinks_list); } /** @@ -1175,45 +1175,45 @@ void udev_device_cleanup_devlinks_list(struct udev_device *udev_device) **/ UDEV_EXPORT struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - if (!udev_device->info_loaded) { - udev_device_read_uevent_file(udev_device); - udev_device_read_db(udev_device, NULL); - } - if (!udev_device->devlinks_uptodate) { - char symlinks[UTIL_PATH_SIZE]; - struct udev_list_entry *list_entry; - - udev_device->devlinks_uptodate = true; - list_entry = udev_device_get_devlinks_list_entry(udev_device); - if (list_entry != NULL) { - char *s; - size_t l; - - s = symlinks; - l = util_strpcpyl(&s, sizeof(symlinks), udev_list_entry_get_name(list_entry), NULL); - udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) - l = util_strpcpyl(&s, l, " ", udev_list_entry_get_name(list_entry), NULL); - udev_device_add_property(udev_device, "DEVLINKS", symlinks); - } - } - if (!udev_device->tags_uptodate) { - udev_device->tags_uptodate = true; - if (udev_device_get_tags_list_entry(udev_device) != NULL) { - char tags[UTIL_PATH_SIZE]; - struct udev_list_entry *list_entry; - char *s; - size_t l; - - s = tags; - l = util_strpcpyl(&s, sizeof(tags), ":", NULL); - udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) - l = util_strpcpyl(&s, l, udev_list_entry_get_name(list_entry), ":", NULL); - udev_device_add_property(udev_device, "TAGS", tags); - } - } - return udev_list_get_entry(&udev_device->properties_list); + if (udev_device == NULL) + return NULL; + if (!udev_device->info_loaded) { + udev_device_read_uevent_file(udev_device); + udev_device_read_db(udev_device, NULL); + } + if (!udev_device->devlinks_uptodate) { + char symlinks[UTIL_PATH_SIZE]; + struct udev_list_entry *list_entry; + + udev_device->devlinks_uptodate = true; + list_entry = udev_device_get_devlinks_list_entry(udev_device); + if (list_entry != NULL) { + char *s; + size_t l; + + s = symlinks; + l = util_strpcpyl(&s, sizeof(symlinks), udev_list_entry_get_name(list_entry), NULL); + udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) + l = util_strpcpyl(&s, l, " ", udev_list_entry_get_name(list_entry), NULL); + udev_device_add_property(udev_device, "DEVLINKS", symlinks); + } + } + if (!udev_device->tags_uptodate) { + udev_device->tags_uptodate = true; + if (udev_device_get_tags_list_entry(udev_device) != NULL) { + char tags[UTIL_PATH_SIZE]; + struct udev_list_entry *list_entry; + char *s; + size_t l; + + s = tags; + l = util_strpcpyl(&s, sizeof(tags), ":", NULL); + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) + l = util_strpcpyl(&s, l, udev_list_entry_get_name(list_entry), ":", NULL); + udev_device_add_property(udev_device, "TAGS", tags); + } + } + return udev_list_get_entry(&udev_device->properties_list); } /** @@ -1228,9 +1228,9 @@ UDEV_EXPORT struct udev_list_entry *udev_device_get_properties_list_entry(struct **/ UDEV_EXPORT const char *udev_device_get_action(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - return udev_device->action; + if (udev_device == NULL) + return NULL; + return udev_device->action; } /** @@ -1247,32 +1247,32 @@ UDEV_EXPORT const char *udev_device_get_action(struct udev_device *udev_device) **/ UDEV_EXPORT unsigned long long int udev_device_get_usec_since_initialized(struct udev_device *udev_device) { - unsigned long long now; + unsigned long long now; - if (udev_device == NULL) - return 0; - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - if (udev_device->usec_initialized == 0) - return 0; - now = now_usec(); - if (now == 0) - return 0; - return now - udev_device->usec_initialized; + if (udev_device == NULL) + return 0; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + if (udev_device->usec_initialized == 0) + return 0; + now = now_usec(); + if (now == 0) + return 0; + return now - udev_device->usec_initialized; } unsigned long long udev_device_get_usec_initialized(struct udev_device *udev_device) { - return udev_device->usec_initialized; + return udev_device->usec_initialized; } void udev_device_set_usec_initialized(struct udev_device *udev_device, unsigned long long usec_initialized) { - char num[32]; + char num[32]; - udev_device->usec_initialized = usec_initialized; - snprintf(num, sizeof(num), "%llu", usec_initialized); - udev_device_add_property(udev_device, "USEC_INITIALIZED", num); + udev_device->usec_initialized = usec_initialized; + snprintf(num, sizeof(num), "%llu", usec_initialized); + udev_device_add_property(udev_device, "USEC_INITIALIZED", num); } /** @@ -1287,139 +1287,139 @@ void udev_device_set_usec_initialized(struct udev_device *udev_device, unsigned **/ UDEV_EXPORT const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr) { - struct udev_list_entry *list_entry; - char path[UTIL_PATH_SIZE]; - char value[4096]; - struct stat statbuf; - int fd; - ssize_t size; - const char *val = NULL; - - if (udev_device == NULL) - return NULL; - if (sysattr == NULL) - return NULL; - - /* look for possibly already cached result */ - list_entry = udev_list_get_entry(&udev_device->sysattr_value_list); - list_entry = udev_list_entry_get_by_name(list_entry, sysattr); - if (list_entry != NULL) { - dbg(udev_device->udev, "got '%s' (%s) from cache\n", - sysattr, udev_list_entry_get_value(list_entry)); - return udev_list_entry_get_value(list_entry); - } - - util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", sysattr, NULL); - if (lstat(path, &statbuf) != 0) { - dbg(udev_device->udev, "no attribute '%s', keep negative entry\n", path); - udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, NULL); - goto out; - } - - if (S_ISLNK(statbuf.st_mode)) { - struct udev_device *dev; - - /* - * Some core links return only the last element of the target path, - * these are just values, the paths should not be exposed. - */ - if (strcmp(sysattr, "driver") == 0 || - strcmp(sysattr, "subsystem") == 0 || - strcmp(sysattr, "module") == 0) { - if (util_get_sys_core_link_value(udev_device->udev, sysattr, - udev_device->syspath, value, sizeof(value)) < 0) - return NULL; - dbg(udev_device->udev, "cache '%s' with link value '%s'\n", sysattr, value); - list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value); - val = udev_list_entry_get_value(list_entry); - goto out; - } - - /* resolve link to a device and return its syspath */ - util_strscpyl(path, sizeof(path), udev_device->syspath, "/", sysattr, NULL); - dev = udev_device_new_from_syspath(udev_device->udev, path); - if (dev != NULL) { - list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, - udev_device_get_syspath(dev)); - val = udev_list_entry_get_value(list_entry); - udev_device_unref(dev); - } - - goto out; - } - - /* skip directories */ - if (S_ISDIR(statbuf.st_mode)) - goto out; - - /* skip non-readable files */ - if ((statbuf.st_mode & S_IRUSR) == 0) - goto out; - - /* read attribute value */ - fd = open(path, O_RDONLY|O_CLOEXEC); - if (fd < 0) { - dbg(udev_device->udev, "attribute '%s' can not be opened\n", path); - goto out; - } - size = read(fd, value, sizeof(value)); - close(fd); - if (size < 0) - goto out; - if (size == sizeof(value)) - goto out; - - /* got a valid value, store it in cache and return it */ - value[size] = '\0'; - util_remove_trailing_chars(value, '\n'); - dbg(udev_device->udev, "'%s' has attribute value '%s'\n", path, value); - list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value); - val = udev_list_entry_get_value(list_entry); + struct udev_list_entry *list_entry; + char path[UTIL_PATH_SIZE]; + char value[4096]; + struct stat statbuf; + int fd; + ssize_t size; + const char *val = NULL; + + if (udev_device == NULL) + return NULL; + if (sysattr == NULL) + return NULL; + + /* look for possibly already cached result */ + list_entry = udev_list_get_entry(&udev_device->sysattr_value_list); + list_entry = udev_list_entry_get_by_name(list_entry, sysattr); + if (list_entry != NULL) { + dbg(udev_device->udev, "got '%s' (%s) from cache\n", + sysattr, udev_list_entry_get_value(list_entry)); + return udev_list_entry_get_value(list_entry); + } + + util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", sysattr, NULL); + if (lstat(path, &statbuf) != 0) { + dbg(udev_device->udev, "no attribute '%s', keep negative entry\n", path); + udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, NULL); + goto out; + } + + if (S_ISLNK(statbuf.st_mode)) { + struct udev_device *dev; + + /* + * Some core links return only the last element of the target path, + * these are just values, the paths should not be exposed. + */ + if (strcmp(sysattr, "driver") == 0 || + strcmp(sysattr, "subsystem") == 0 || + strcmp(sysattr, "module") == 0) { + if (util_get_sys_core_link_value(udev_device->udev, sysattr, + udev_device->syspath, value, sizeof(value)) < 0) + return NULL; + dbg(udev_device->udev, "cache '%s' with link value '%s'\n", sysattr, value); + list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value); + val = udev_list_entry_get_value(list_entry); + goto out; + } + + /* resolve link to a device and return its syspath */ + util_strscpyl(path, sizeof(path), udev_device->syspath, "/", sysattr, NULL); + dev = udev_device_new_from_syspath(udev_device->udev, path); + if (dev != NULL) { + list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, + udev_device_get_syspath(dev)); + val = udev_list_entry_get_value(list_entry); + udev_device_unref(dev); + } + + goto out; + } + + /* skip directories */ + if (S_ISDIR(statbuf.st_mode)) + goto out; + + /* skip non-readable files */ + if ((statbuf.st_mode & S_IRUSR) == 0) + goto out; + + /* read attribute value */ + fd = open(path, O_RDONLY|O_CLOEXEC); + if (fd < 0) { + dbg(udev_device->udev, "attribute '%s' can not be opened\n", path); + goto out; + } + size = read(fd, value, sizeof(value)); + close(fd); + if (size < 0) + goto out; + if (size == sizeof(value)) + goto out; + + /* got a valid value, store it in cache and return it */ + value[size] = '\0'; + util_remove_trailing_chars(value, '\n'); + dbg(udev_device->udev, "'%s' has attribute value '%s'\n", path, value); + list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value); + val = udev_list_entry_get_value(list_entry); out: - return val; + return val; } static int udev_device_sysattr_list_read(struct udev_device *udev_device) { - struct dirent *dent; - DIR *dir; - int num = 0; + struct dirent *dent; + DIR *dir; + int num = 0; - if (udev_device == NULL) - return -1; - if (udev_device->sysattr_list_read) - return 0; + if (udev_device == NULL) + return -1; + if (udev_device->sysattr_list_read) + return 0; - dir = opendir(udev_device_get_syspath(udev_device)); - if (!dir) { - dbg(udev_device->udev, "sysfs dir '%s' can not be opened\n", - udev_device_get_syspath(udev_device)); - return -1; - } + dir = opendir(udev_device_get_syspath(udev_device)); + if (!dir) { + dbg(udev_device->udev, "sysfs dir '%s' can not be opened\n", + udev_device_get_syspath(udev_device)); + return -1; + } - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - char path[UTIL_PATH_SIZE]; - struct stat statbuf; + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + char path[UTIL_PATH_SIZE]; + struct stat statbuf; - /* only handle symlinks and regular files */ - if (dent->d_type != DT_LNK && dent->d_type != DT_REG) - continue; + /* only handle symlinks and regular files */ + if (dent->d_type != DT_LNK && dent->d_type != DT_REG) + continue; - util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", dent->d_name, NULL); - if (lstat(path, &statbuf) != 0) - continue; - if ((statbuf.st_mode & S_IRUSR) == 0) - continue; + util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", dent->d_name, NULL); + if (lstat(path, &statbuf) != 0) + continue; + if ((statbuf.st_mode & S_IRUSR) == 0) + continue; - udev_list_entry_add(&udev_device->sysattr_list, dent->d_name, NULL); - num++; - } + udev_list_entry_add(&udev_device->sysattr_list, dent->d_name, NULL); + num++; + } - closedir(dir); - dbg(udev_device->udev, "found %d sysattrs for '%s'\n", num, udev_device_get_syspath(udev_device)); - udev_device->sysattr_list_read = true; + closedir(dir); + dbg(udev_device->udev, "found %d sysattrs for '%s'\n", num, udev_device_get_syspath(udev_device)); + udev_device->sysattr_list_read = true; - return num; + return num; } /** @@ -1434,114 +1434,114 @@ static int udev_device_sysattr_list_read(struct udev_device *udev_device) **/ UDEV_EXPORT struct udev_list_entry *udev_device_get_sysattr_list_entry(struct udev_device *udev_device) { - if (!udev_device->sysattr_list_read) { - int ret; - ret = udev_device_sysattr_list_read(udev_device); - if (0 > ret) - return NULL; - } + if (!udev_device->sysattr_list_read) { + int ret; + ret = udev_device_sysattr_list_read(udev_device); + if (0 > ret) + return NULL; + } - return udev_list_get_entry(&udev_device->sysattr_list); + return udev_list_get_entry(&udev_device->sysattr_list); } int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath) { - const char *pos; - size_t len; + const char *pos; + size_t len; - free(udev_device->syspath); - udev_device->syspath = strdup(syspath); - if (udev_device->syspath == NULL) - return -ENOMEM; - udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))]; - udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath); + free(udev_device->syspath); + udev_device->syspath = strdup(syspath); + if (udev_device->syspath == NULL) + return -ENOMEM; + udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))]; + udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath); - pos = strrchr(udev_device->syspath, '/'); - if (pos == NULL) - return -EINVAL; - udev_device->sysname = strdup(&pos[1]); - if (udev_device->sysname == NULL) - return -ENOMEM; + pos = strrchr(udev_device->syspath, '/'); + if (pos == NULL) + return -EINVAL; + udev_device->sysname = strdup(&pos[1]); + if (udev_device->sysname == NULL) + return -ENOMEM; - /* some devices have '!' in their name, change that to '/' */ - len = 0; - while (udev_device->sysname[len] != '\0') { - if (udev_device->sysname[len] == '!') - udev_device->sysname[len] = '/'; - len++; - } + /* some devices have '!' in their name, change that to '/' */ + len = 0; + while (udev_device->sysname[len] != '\0') { + if (udev_device->sysname[len] == '!') + udev_device->sysname[len] = '/'; + len++; + } - /* trailing number */ - while (len > 0 && isdigit(udev_device->sysname[--len])) - udev_device->sysnum = &udev_device->sysname[len]; + /* trailing number */ + while (len > 0 && isdigit(udev_device->sysname[--len])) + udev_device->sysnum = &udev_device->sysname[len]; - /* sysname is completely numeric */ - if (len == 0) - udev_device->sysnum = NULL; + /* sysname is completely numeric */ + if (len == 0) + udev_device->sysnum = NULL; - return 0; + return 0; } int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode) { - free(udev_device->devnode); - if (devnode[0] != '/') { - if (asprintf(&udev_device->devnode, "%s/%s", udev_get_dev_path(udev_device->udev), devnode) < 0) - udev_device->devnode = NULL; - } else { - udev_device->devnode = strdup(devnode); - } - if (udev_device->devnode == NULL) - return -ENOMEM; - udev_device_add_property(udev_device, "DEVNAME", udev_device->devnode); - return 0; + free(udev_device->devnode); + if (devnode[0] != '/') { + if (asprintf(&udev_device->devnode, "%s/%s", udev_get_dev_path(udev_device->udev), devnode) < 0) + udev_device->devnode = NULL; + } else { + udev_device->devnode = strdup(devnode); + } + if (udev_device->devnode == NULL) + return -ENOMEM; + udev_device_add_property(udev_device, "DEVNAME", udev_device->devnode); + return 0; } int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink, int unique) { - struct udev_list_entry *list_entry; + struct udev_list_entry *list_entry; - udev_device->devlinks_uptodate = false; - list_entry = udev_list_entry_add(&udev_device->devlinks_list, devlink, NULL); - if (list_entry == NULL) - return -ENOMEM; - if (unique) - udev_list_entry_set_num(list_entry, true); - return 0; + udev_device->devlinks_uptodate = false; + list_entry = udev_list_entry_add(&udev_device->devlinks_list, devlink, NULL); + if (list_entry == NULL) + return -ENOMEM; + if (unique) + udev_list_entry_set_num(list_entry, true); + return 0; } const char *udev_device_get_id_filename(struct udev_device *udev_device) { - if (udev_device->id_filename == NULL) { - if (udev_device_get_subsystem(udev_device) == NULL) - return NULL; - - if (major(udev_device_get_devnum(udev_device)) > 0) { - /* use dev_t -- b259:131072, c254:0 */ - if (asprintf(&udev_device->id_filename, "%c%u:%u", - strcmp(udev_device_get_subsystem(udev_device), "block") == 0 ? 'b' : 'c', - major(udev_device_get_devnum(udev_device)), - minor(udev_device_get_devnum(udev_device))) < 0) - udev_device->id_filename = NULL; - } else if (udev_device_get_ifindex(udev_device) > 0) { - /* use netdev ifindex -- n3 */ - if (asprintf(&udev_device->id_filename, "n%u", udev_device_get_ifindex(udev_device)) < 0) - udev_device->id_filename = NULL; - } else { - /* - * use $subsys:$syname -- pci:0000:00:1f.2 - * sysname() has '!' translated, get it from devpath - */ - const char *sysname; - sysname = strrchr(udev_device->devpath, '/'); - if (sysname == NULL) - return NULL; - sysname = &sysname[1]; - if (asprintf(&udev_device->id_filename, "+%s:%s", udev_device_get_subsystem(udev_device), sysname) < 0) - udev_device->id_filename = NULL; - } - } - return udev_device->id_filename; + if (udev_device->id_filename == NULL) { + if (udev_device_get_subsystem(udev_device) == NULL) + return NULL; + + if (major(udev_device_get_devnum(udev_device)) > 0) { + /* use dev_t -- b259:131072, c254:0 */ + if (asprintf(&udev_device->id_filename, "%c%u:%u", + strcmp(udev_device_get_subsystem(udev_device), "block") == 0 ? 'b' : 'c', + major(udev_device_get_devnum(udev_device)), + minor(udev_device_get_devnum(udev_device))) < 0) + udev_device->id_filename = NULL; + } else if (udev_device_get_ifindex(udev_device) > 0) { + /* use netdev ifindex -- n3 */ + if (asprintf(&udev_device->id_filename, "n%u", udev_device_get_ifindex(udev_device)) < 0) + udev_device->id_filename = NULL; + } else { + /* + * use $subsys:$syname -- pci:0000:00:1f.2 + * sysname() has '!' translated, get it from devpath + */ + const char *sysname; + sysname = strrchr(udev_device->devpath, '/'); + if (sysname == NULL) + return NULL; + sysname = &sysname[1]; + if (asprintf(&udev_device->id_filename, "+%s:%s", udev_device_get_subsystem(udev_device), sysname) < 0) + udev_device->id_filename = NULL; + } + } + return udev_device->id_filename; } /** @@ -1559,30 +1559,30 @@ const char *udev_device_get_id_filename(struct udev_device *udev_device) **/ UDEV_EXPORT int udev_device_get_is_initialized(struct udev_device *udev_device) { - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - return udev_device->is_initialized; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + return udev_device->is_initialized; } void udev_device_set_is_initialized(struct udev_device *udev_device) { - udev_device->is_initialized = true; + udev_device->is_initialized = true; } int udev_device_add_tag(struct udev_device *udev_device, const char *tag) { - if (strchr(tag, ':') != NULL || strchr(tag, ' ') != NULL) - return -EINVAL; - udev_device->tags_uptodate = false; - if (udev_list_entry_add(&udev_device->tags_list, tag, NULL) != NULL) - return 0; - return -ENOMEM; + if (strchr(tag, ':') != NULL || strchr(tag, ' ') != NULL) + return -EINVAL; + udev_device->tags_uptodate = false; + if (udev_list_entry_add(&udev_device->tags_list, tag, NULL) != NULL) + return 0; + return -ENOMEM; } void udev_device_cleanup_tags_list(struct udev_device *udev_device) { - udev_device->tags_uptodate = false; - udev_list_cleanup(&udev_device->tags_list); + udev_device->tags_uptodate = false; + udev_list_cleanup(&udev_device->tags_list); } /** @@ -1598,140 +1598,140 @@ void udev_device_cleanup_tags_list(struct udev_device *udev_device) **/ UDEV_EXPORT struct udev_list_entry *udev_device_get_tags_list_entry(struct udev_device *udev_device) { - if (udev_device == NULL) - return NULL; - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - return udev_list_get_entry(&udev_device->tags_list); + if (udev_device == NULL) + return NULL; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + return udev_list_get_entry(&udev_device->tags_list); } UDEV_EXPORT int udev_device_has_tag(struct udev_device *udev_device, const char *tag) { - struct udev_list_entry *list_entry; + struct udev_list_entry *list_entry; - if (udev_device == NULL) - return false; - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - list_entry = udev_device_get_tags_list_entry(udev_device); - if (udev_list_entry_get_by_name(list_entry, tag) != NULL) - return true; - return false; + if (udev_device == NULL) + return false; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + list_entry = udev_device_get_tags_list_entry(udev_device); + if (udev_list_entry_get_by_name(list_entry, tag) != NULL) + return true; + return false; } -#define ENVP_SIZE 128 -#define MONITOR_BUF_SIZE 4096 +#define ENVP_SIZE 128 +#define MONITOR_BUF_SIZE 4096 static int update_envp_monitor_buf(struct udev_device *udev_device) { - struct udev_list_entry *list_entry; - char *s; - size_t l; - unsigned int i; - - /* monitor buffer of property strings */ - free(udev_device->monitor_buf); - udev_device->monitor_buf_len = 0; - udev_device->monitor_buf = malloc(MONITOR_BUF_SIZE); - if (udev_device->monitor_buf == NULL) - return -ENOMEM; - - /* envp array, strings will point into monitor buffer */ - if (udev_device->envp == NULL) - udev_device->envp = malloc(sizeof(char *) * ENVP_SIZE); - if (udev_device->envp == NULL) - return -ENOMEM; - - i = 0; - s = udev_device->monitor_buf; - l = MONITOR_BUF_SIZE; - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) { - const char *key; - - key = udev_list_entry_get_name(list_entry); - /* skip private variables */ - if (key[0] == '.') - continue; - - /* add string to envp array */ - udev_device->envp[i++] = s; - if (i+1 >= ENVP_SIZE) - return -EINVAL; - - /* add property string to monitor buffer */ - l = util_strpcpyl(&s, l, key, "=", udev_list_entry_get_value(list_entry), NULL); - if (l == 0) - return -EINVAL; - /* advance past the trailing '\0' that util_strpcpyl() guarantees */ - s++; - l--; - } - udev_device->envp[i] = NULL; - udev_device->monitor_buf_len = s - udev_device->monitor_buf; - udev_device->envp_uptodate = true; - dbg(udev_device->udev, "filled envp/monitor buffer, %u properties, %zu bytes\n", - i, udev_device->monitor_buf_len); - return 0; + struct udev_list_entry *list_entry; + char *s; + size_t l; + unsigned int i; + + /* monitor buffer of property strings */ + free(udev_device->monitor_buf); + udev_device->monitor_buf_len = 0; + udev_device->monitor_buf = malloc(MONITOR_BUF_SIZE); + if (udev_device->monitor_buf == NULL) + return -ENOMEM; + + /* envp array, strings will point into monitor buffer */ + if (udev_device->envp == NULL) + udev_device->envp = malloc(sizeof(char *) * ENVP_SIZE); + if (udev_device->envp == NULL) + return -ENOMEM; + + i = 0; + s = udev_device->monitor_buf; + l = MONITOR_BUF_SIZE; + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) { + const char *key; + + key = udev_list_entry_get_name(list_entry); + /* skip private variables */ + if (key[0] == '.') + continue; + + /* add string to envp array */ + udev_device->envp[i++] = s; + if (i+1 >= ENVP_SIZE) + return -EINVAL; + + /* add property string to monitor buffer */ + l = util_strpcpyl(&s, l, key, "=", udev_list_entry_get_value(list_entry), NULL); + if (l == 0) + return -EINVAL; + /* advance past the trailing '\0' that util_strpcpyl() guarantees */ + s++; + l--; + } + udev_device->envp[i] = NULL; + udev_device->monitor_buf_len = s - udev_device->monitor_buf; + udev_device->envp_uptodate = true; + dbg(udev_device->udev, "filled envp/monitor buffer, %u properties, %zu bytes\n", + i, udev_device->monitor_buf_len); + return 0; } char **udev_device_get_properties_envp(struct udev_device *udev_device) { - if (!udev_device->envp_uptodate) - if (update_envp_monitor_buf(udev_device) != 0) - return NULL; - return udev_device->envp; + if (!udev_device->envp_uptodate) + if (update_envp_monitor_buf(udev_device) != 0) + return NULL; + return udev_device->envp; } ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf) { - if (!udev_device->envp_uptodate) - if (update_envp_monitor_buf(udev_device) != 0) - return -EINVAL; - *buf = udev_device->monitor_buf; - return udev_device->monitor_buf_len; + if (!udev_device->envp_uptodate) + if (update_envp_monitor_buf(udev_device) != 0) + return -EINVAL; + *buf = udev_device->monitor_buf; + return udev_device->monitor_buf_len; } int udev_device_set_action(struct udev_device *udev_device, const char *action) { - free(udev_device->action); - udev_device->action = strdup(action); - if (udev_device->action == NULL) - return -ENOMEM; - udev_device_add_property(udev_device, "ACTION", udev_device->action); - return 0; + free(udev_device->action); + udev_device->action = strdup(action); + if (udev_device->action == NULL) + return -ENOMEM; + udev_device_add_property(udev_device, "ACTION", udev_device->action); + return 0; } int udev_device_get_devlink_priority(struct udev_device *udev_device) { - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - return udev_device->devlink_priority; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + return udev_device->devlink_priority; } int udev_device_set_devlink_priority(struct udev_device *udev_device, int prio) { - udev_device->devlink_priority = prio; - return 0; + udev_device->devlink_priority = prio; + return 0; } int udev_device_get_watch_handle(struct udev_device *udev_device) { - if (!udev_device->info_loaded) - udev_device_read_db(udev_device, NULL); - return udev_device->watch_handle; + if (!udev_device->info_loaded) + udev_device_read_db(udev_device, NULL); + return udev_device->watch_handle; } int udev_device_set_watch_handle(struct udev_device *udev_device, int handle) { - udev_device->watch_handle = handle; - return 0; + udev_device->watch_handle = handle; + return 0; } bool udev_device_get_db_persist(struct udev_device *udev_device) { - return udev_device->db_persist; + return udev_device->db_persist; } void udev_device_set_db_persist(struct udev_device *udev_device) { - udev_device->db_persist = true; + udev_device->db_persist = true; } diff --git a/src/libudev-enumerate.c b/src/libudev-enumerate.c index f14d5c8f5..9a572ef05 100644 --- a/src/libudev-enumerate.c +++ b/src/libudev-enumerate.c @@ -33,8 +33,8 @@ */ struct syspath { - char *syspath; - size_t len; + char *syspath; + size_t len; }; /** @@ -43,22 +43,22 @@ struct syspath { * Opaque object representing one device lookup/sort context. */ struct udev_enumerate { - struct udev *udev; - int refcount; - struct udev_list sysattr_match_list; - struct udev_list sysattr_nomatch_list; - struct udev_list subsystem_match_list; - struct udev_list subsystem_nomatch_list; - struct udev_list sysname_match_list; - struct udev_list properties_match_list; - struct udev_list tags_match_list; - struct udev_device *parent_match; - struct udev_list devices_list; - struct syspath *devices; - unsigned int devices_cur; - unsigned int devices_max; - bool devices_uptodate:1; - bool match_is_initialized; + struct udev *udev; + int refcount; + struct udev_list sysattr_match_list; + struct udev_list sysattr_nomatch_list; + struct udev_list subsystem_match_list; + struct udev_list subsystem_nomatch_list; + struct udev_list sysname_match_list; + struct udev_list properties_match_list; + struct udev_list tags_match_list; + struct udev_device *parent_match; + struct udev_list devices_list; + struct syspath *devices; + unsigned int devices_cur; + unsigned int devices_max; + bool devices_uptodate:1; + bool match_is_initialized; }; /** @@ -69,22 +69,22 @@ struct udev_enumerate { **/ UDEV_EXPORT struct udev_enumerate *udev_enumerate_new(struct udev *udev) { - struct udev_enumerate *udev_enumerate; + struct udev_enumerate *udev_enumerate; - udev_enumerate = calloc(1, sizeof(struct udev_enumerate)); - if (udev_enumerate == NULL) - return NULL; - udev_enumerate->refcount = 1; - udev_enumerate->udev = udev; - udev_list_init(udev, &udev_enumerate->sysattr_match_list, false); - udev_list_init(udev, &udev_enumerate->sysattr_nomatch_list, false); - udev_list_init(udev, &udev_enumerate->subsystem_match_list, true); - udev_list_init(udev, &udev_enumerate->subsystem_nomatch_list, true); - udev_list_init(udev, &udev_enumerate->sysname_match_list, true); - udev_list_init(udev, &udev_enumerate->properties_match_list, false); - udev_list_init(udev, &udev_enumerate->tags_match_list, true); - udev_list_init(udev, &udev_enumerate->devices_list, false); - return udev_enumerate; + udev_enumerate = calloc(1, sizeof(struct udev_enumerate)); + if (udev_enumerate == NULL) + return NULL; + udev_enumerate->refcount = 1; + udev_enumerate->udev = udev; + udev_list_init(udev, &udev_enumerate->sysattr_match_list, false); + udev_list_init(udev, &udev_enumerate->sysattr_nomatch_list, false); + udev_list_init(udev, &udev_enumerate->subsystem_match_list, true); + udev_list_init(udev, &udev_enumerate->subsystem_nomatch_list, true); + udev_list_init(udev, &udev_enumerate->sysname_match_list, true); + udev_list_init(udev, &udev_enumerate->properties_match_list, false); + udev_list_init(udev, &udev_enumerate->tags_match_list, true); + udev_list_init(udev, &udev_enumerate->devices_list, false); + return udev_enumerate; } /** @@ -97,10 +97,10 @@ UDEV_EXPORT struct udev_enumerate *udev_enumerate_new(struct udev *udev) **/ UDEV_EXPORT struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate) { - if (udev_enumerate == NULL) - return NULL; - udev_enumerate->refcount++; - return udev_enumerate; + if (udev_enumerate == NULL) + return NULL; + udev_enumerate->refcount++; + return udev_enumerate; } /** @@ -112,26 +112,26 @@ UDEV_EXPORT struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *ude **/ UDEV_EXPORT void udev_enumerate_unref(struct udev_enumerate *udev_enumerate) { - unsigned int i; - - if (udev_enumerate == NULL) - return; - udev_enumerate->refcount--; - if (udev_enumerate->refcount > 0) - return; - udev_list_cleanup(&udev_enumerate->sysattr_match_list); - udev_list_cleanup(&udev_enumerate->sysattr_nomatch_list); - udev_list_cleanup(&udev_enumerate->subsystem_match_list); - udev_list_cleanup(&udev_enumerate->subsystem_nomatch_list); - udev_list_cleanup(&udev_enumerate->sysname_match_list); - udev_list_cleanup(&udev_enumerate->properties_match_list); - udev_list_cleanup(&udev_enumerate->tags_match_list); - udev_device_unref(udev_enumerate->parent_match); - udev_list_cleanup(&udev_enumerate->devices_list); - for (i = 0; i < udev_enumerate->devices_cur; i++) - free(udev_enumerate->devices[i].syspath); - free(udev_enumerate->devices); - free(udev_enumerate); + unsigned int i; + + if (udev_enumerate == NULL) + return; + udev_enumerate->refcount--; + if (udev_enumerate->refcount > 0) + return; + udev_list_cleanup(&udev_enumerate->sysattr_match_list); + udev_list_cleanup(&udev_enumerate->sysattr_nomatch_list); + udev_list_cleanup(&udev_enumerate->subsystem_match_list); + udev_list_cleanup(&udev_enumerate->subsystem_nomatch_list); + udev_list_cleanup(&udev_enumerate->sysname_match_list); + udev_list_cleanup(&udev_enumerate->properties_match_list); + udev_list_cleanup(&udev_enumerate->tags_match_list); + udev_device_unref(udev_enumerate->parent_match); + udev_list_cleanup(&udev_enumerate->devices_list); + for (i = 0; i < udev_enumerate->devices_cur; i++) + free(udev_enumerate->devices[i].syspath); + free(udev_enumerate->devices); + free(udev_enumerate); } /** @@ -142,79 +142,79 @@ UDEV_EXPORT void udev_enumerate_unref(struct udev_enumerate *udev_enumerate) */ UDEV_EXPORT struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate) { - if (udev_enumerate == NULL) - return NULL; - return udev_enumerate->udev; + if (udev_enumerate == NULL) + return NULL; + return udev_enumerate->udev; } static int syspath_add(struct udev_enumerate *udev_enumerate, const char *syspath) { - char *path; - struct syspath *entry; - - /* double array size if needed */ - if (udev_enumerate->devices_cur >= udev_enumerate->devices_max) { - struct syspath *buf; - unsigned int add; - - add = udev_enumerate->devices_max; - if (add < 1024) - add = 1024; - buf = realloc(udev_enumerate->devices, (udev_enumerate->devices_max + add) * sizeof(struct syspath)); - if (buf == NULL) - return -ENOMEM; - udev_enumerate->devices = buf; - udev_enumerate->devices_max += add; - } - - path = strdup(syspath); - if (path == NULL) - return -ENOMEM; - entry = &udev_enumerate->devices[udev_enumerate->devices_cur]; - entry->syspath = path; - entry->len = strlen(path); - udev_enumerate->devices_cur++; - udev_enumerate->devices_uptodate = false; - return 0; + char *path; + struct syspath *entry; + + /* double array size if needed */ + if (udev_enumerate->devices_cur >= udev_enumerate->devices_max) { + struct syspath *buf; + unsigned int add; + + add = udev_enumerate->devices_max; + if (add < 1024) + add = 1024; + buf = realloc(udev_enumerate->devices, (udev_enumerate->devices_max + add) * sizeof(struct syspath)); + if (buf == NULL) + return -ENOMEM; + udev_enumerate->devices = buf; + udev_enumerate->devices_max += add; + } + + path = strdup(syspath); + if (path == NULL) + return -ENOMEM; + entry = &udev_enumerate->devices[udev_enumerate->devices_cur]; + entry->syspath = path; + entry->len = strlen(path); + udev_enumerate->devices_cur++; + udev_enumerate->devices_uptodate = false; + return 0; } static int syspath_cmp(const void *p1, const void *p2) { - const struct syspath *path1 = p1; - const struct syspath *path2 = p2; - size_t len; - int ret; + const struct syspath *path1 = p1; + const struct syspath *path2 = p2; + size_t len; + int ret; - len = MIN(path1->len, path2->len); - ret = memcmp(path1->syspath, path2->syspath, len); - if (ret == 0) { - if (path1->len < path2->len) - ret = -1; - else if (path1->len > path2->len) - ret = 1; - } - return ret; + len = MIN(path1->len, path2->len); + ret = memcmp(path1->syspath, path2->syspath, len); + if (ret == 0) { + if (path1->len < path2->len) + ret = -1; + else if (path1->len > path2->len) + ret = 1; + } + return ret; } /* For devices that should be moved to the absolute end of the list */ static bool devices_delay_end(struct udev *udev, const char *syspath) { - static const char *delay_device_list[] = { - "/block/md", - "/block/dm-", - NULL - }; - size_t len; - int i; + static const char *delay_device_list[] = { + "/block/md", + "/block/dm-", + NULL + }; + size_t len; + int i; - len = strlen(udev_get_sys_path(udev)); - for (i = 0; delay_device_list[i] != NULL; i++) { - if (strstr(&syspath[len], delay_device_list[i]) != NULL) { - dbg(udev, "delaying: %s\n", syspath); - return true; - } - } - return false; + len = strlen(udev_get_sys_path(udev)); + for (i = 0; delay_device_list[i] != NULL; i++) { + if (strstr(&syspath[len], delay_device_list[i]) != NULL) { + dbg(udev, "delaying: %s\n", syspath); + return true; + } + } + return false; } /* For devices that should just be moved a little bit later, just @@ -222,25 +222,25 @@ static bool devices_delay_end(struct udev *udev, const char *syspath) * number of characters that make up that common prefix */ static size_t devices_delay_later(struct udev *udev, const char *syspath) { - const char *c; + const char *c; - /* For sound cards the control device must be enumerated last - * to make sure it's the final device node that gets ACLs - * applied. Applications rely on this fact and use ACL changes - * on the control node as an indicator that the ACL change of - * the entire sound card completed. The kernel makes this - * guarantee when creating those devices, and hence we should - * too when enumerating them. */ + /* For sound cards the control device must be enumerated last + * to make sure it's the final device node that gets ACLs + * applied. Applications rely on this fact and use ACL changes + * on the control node as an indicator that the ACL change of + * the entire sound card completed. The kernel makes this + * guarantee when creating those devices, and hence we should + * too when enumerating them. */ - if ((c = strstr(syspath, "/sound/card"))) { - c += 11; - c += strcspn(c, "/"); + if ((c = strstr(syspath, "/sound/card"))) { + c += 11; + c += strcspn(c, "/"); - if (strncmp(c, "/controlC", 9) == 0) - return c - syspath + 1; - } + if (strncmp(c, "/controlC", 9) == 0) + return c - syspath + 1; + } - return 0; + return 0; } /** @@ -251,73 +251,73 @@ static size_t devices_delay_later(struct udev *udev, const char *syspath) */ UDEV_EXPORT struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate) { - if (udev_enumerate == NULL) - return NULL; - if (!udev_enumerate->devices_uptodate) { - unsigned int i; - unsigned int max; - struct syspath *prev = NULL, *move_later = NULL; - size_t move_later_prefix = 0; - - udev_list_cleanup(&udev_enumerate->devices_list); - qsort(udev_enumerate->devices, udev_enumerate->devices_cur, sizeof(struct syspath), syspath_cmp); - - max = udev_enumerate->devices_cur; - for (i = 0; i < max; i++) { - struct syspath *entry = &udev_enumerate->devices[i]; - - /* skip duplicated entries */ - if (prev != NULL && - entry->len == prev->len && - memcmp(entry->syspath, prev->syspath, entry->len) == 0) - continue; - prev = entry; - - /* skip to be delayed devices, and add them to the end of the list */ - if (devices_delay_end(udev_enumerate->udev, entry->syspath)) { - syspath_add(udev_enumerate, entry->syspath); - /* need to update prev here for the case realloc() gives a different address */ - prev = &udev_enumerate->devices[i]; - continue; - } - - /* skip to be delayed devices, and move the to - * the point where the prefix changes. We can - * only move one item at a time. */ - if (!move_later) { - move_later_prefix = devices_delay_later(udev_enumerate->udev, entry->syspath); - - if (move_later_prefix > 0) { - move_later = entry; - continue; - } - } - - if (move_later && - strncmp(entry->syspath, move_later->syspath, move_later_prefix) != 0) { - - udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL); - move_later = NULL; - } - - udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL); - } - - if (move_later) - udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL); - - /* add and cleanup delayed devices from end of list */ - for (i = max; i < udev_enumerate->devices_cur; i++) { - struct syspath *entry = &udev_enumerate->devices[i]; - - udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL); - free(entry->syspath); - } - udev_enumerate->devices_cur = max; - - udev_enumerate->devices_uptodate = true; - } - return udev_list_get_entry(&udev_enumerate->devices_list); + if (udev_enumerate == NULL) + return NULL; + if (!udev_enumerate->devices_uptodate) { + unsigned int i; + unsigned int max; + struct syspath *prev = NULL, *move_later = NULL; + size_t move_later_prefix = 0; + + udev_list_cleanup(&udev_enumerate->devices_list); + qsort(udev_enumerate->devices, udev_enumerate->devices_cur, sizeof(struct syspath), syspath_cmp); + + max = udev_enumerate->devices_cur; + for (i = 0; i < max; i++) { + struct syspath *entry = &udev_enumerate->devices[i]; + + /* skip duplicated entries */ + if (prev != NULL && + entry->len == prev->len && + memcmp(entry->syspath, prev->syspath, entry->len) == 0) + continue; + prev = entry; + + /* skip to be delayed devices, and add them to the end of the list */ + if (devices_delay_end(udev_enumerate->udev, entry->syspath)) { + syspath_add(udev_enumerate, entry->syspath); + /* need to update prev here for the case realloc() gives a different address */ + prev = &udev_enumerate->devices[i]; + continue; + } + + /* skip to be delayed devices, and move the to + * the point where the prefix changes. We can + * only move one item at a time. */ + if (!move_later) { + move_later_prefix = devices_delay_later(udev_enumerate->udev, entry->syspath); + + if (move_later_prefix > 0) { + move_later = entry; + continue; + } + } + + if (move_later && + strncmp(entry->syspath, move_later->syspath, move_later_prefix) != 0) { + + udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL); + move_later = NULL; + } + + udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL); + } + + if (move_later) + udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL); + + /* add and cleanup delayed devices from end of list */ + for (i = max; i < udev_enumerate->devices_cur; i++) { + struct syspath *entry = &udev_enumerate->devices[i]; + + udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL); + free(entry->syspath); + } + udev_enumerate->devices_cur = max; + + udev_enumerate->devices_uptodate = true; + } + return udev_list_get_entry(&udev_enumerate->devices_list); } /** @@ -329,13 +329,13 @@ UDEV_EXPORT struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_en */ UDEV_EXPORT int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem) { - if (udev_enumerate == NULL) - return -EINVAL; - if (subsystem == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->subsystem_match_list, subsystem, NULL) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (subsystem == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->subsystem_match_list, subsystem, NULL) == NULL) + return -ENOMEM; + return 0; } /** @@ -347,13 +347,13 @@ UDEV_EXPORT int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_e */ UDEV_EXPORT int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem) { - if (udev_enumerate == NULL) - return -EINVAL; - if (subsystem == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->subsystem_nomatch_list, subsystem, NULL) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (subsystem == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->subsystem_nomatch_list, subsystem, NULL) == NULL) + return -ENOMEM; + return 0; } /** @@ -366,13 +366,13 @@ UDEV_EXPORT int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev */ UDEV_EXPORT int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value) { - if (udev_enumerate == NULL) - return -EINVAL; - if (sysattr == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->sysattr_match_list, sysattr, value) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (sysattr == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->sysattr_match_list, sysattr, value) == NULL) + return -ENOMEM; + return 0; } /** @@ -385,33 +385,33 @@ UDEV_EXPORT int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enu */ UDEV_EXPORT int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value) { - if (udev_enumerate == NULL) - return -EINVAL; - if (sysattr == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->sysattr_nomatch_list, sysattr, value) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (sysattr == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->sysattr_nomatch_list, sysattr, value) == NULL) + return -ENOMEM; + return 0; } static int match_sysattr_value(struct udev_device *dev, const char *sysattr, const char *match_val) { - const char *val = NULL; - bool match = false; - - val = udev_device_get_sysattr_value(dev, sysattr); - if (val == NULL) - goto exit; - if (match_val == NULL) { - match = true; - goto exit; - } - if (fnmatch(match_val, val, 0) == 0) { - match = true; - goto exit; - } + const char *val = NULL; + bool match = false; + + val = udev_device_get_sysattr_value(dev, sysattr); + if (val == NULL) + goto exit; + if (match_val == NULL) { + match = true; + goto exit; + } + if (fnmatch(match_val, val, 0) == 0) { + match = true; + goto exit; + } exit: - return match; + return match; } /** @@ -424,13 +424,13 @@ exit: */ UDEV_EXPORT int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value) { - if (udev_enumerate == NULL) - return -EINVAL; - if (property == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->properties_match_list, property, value) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (property == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->properties_match_list, property, value) == NULL) + return -ENOMEM; + return 0; } /** @@ -442,13 +442,13 @@ UDEV_EXPORT int udev_enumerate_add_match_property(struct udev_enumerate *udev_en */ UDEV_EXPORT int udev_enumerate_add_match_tag(struct udev_enumerate *udev_enumerate, const char *tag) { - if (udev_enumerate == NULL) - return -EINVAL; - if (tag == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->tags_match_list, tag, NULL) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (tag == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->tags_match_list, tag, NULL) == NULL) + return -ENOMEM; + return 0; } /** @@ -466,14 +466,14 @@ UDEV_EXPORT int udev_enumerate_add_match_tag(struct udev_enumerate *udev_enumera */ UDEV_EXPORT int udev_enumerate_add_match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *parent) { - if (udev_enumerate == NULL) - return -EINVAL; - if (parent == NULL) - return 0; - if (udev_enumerate->parent_match != NULL) - udev_device_unref(udev_enumerate->parent_match); - udev_enumerate->parent_match = udev_device_ref(parent); - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (parent == NULL) + return 0; + if (udev_enumerate->parent_match != NULL) + udev_device_unref(udev_enumerate->parent_match); + udev_enumerate->parent_match = udev_device_ref(parent); + return 0; } /** @@ -496,10 +496,10 @@ UDEV_EXPORT int udev_enumerate_add_match_parent(struct udev_enumerate *udev_enum */ UDEV_EXPORT int udev_enumerate_add_match_is_initialized(struct udev_enumerate *udev_enumerate) { - if (udev_enumerate == NULL) - return -EINVAL; - udev_enumerate->match_is_initialized = true; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + udev_enumerate->match_is_initialized = true; + return 0; } /** @@ -511,223 +511,223 @@ UDEV_EXPORT int udev_enumerate_add_match_is_initialized(struct udev_enumerate *u */ UDEV_EXPORT int udev_enumerate_add_match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname) { - if (udev_enumerate == NULL) - return -EINVAL; - if (sysname == NULL) - return 0; - if (udev_list_entry_add(&udev_enumerate->sysname_match_list, sysname, NULL) == NULL) - return -ENOMEM; - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (sysname == NULL) + return 0; + if (udev_list_entry_add(&udev_enumerate->sysname_match_list, sysname, NULL) == NULL) + return -ENOMEM; + return 0; } static bool match_sysattr(struct udev_enumerate *udev_enumerate, struct udev_device *dev) { - struct udev_list_entry *list_entry; - - /* skip list */ - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_nomatch_list)) { - if (match_sysattr_value(dev, udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry))) - return false; - } - /* include list */ - if (udev_list_get_entry(&udev_enumerate->sysattr_match_list) != NULL) { - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_match_list)) { - /* anything that does not match, will make it FALSE */ - if (!match_sysattr_value(dev, udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry))) - return false; - } - return true; - } - return true; + struct udev_list_entry *list_entry; + + /* skip list */ + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_nomatch_list)) { + if (match_sysattr_value(dev, udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry))) + return false; + } + /* include list */ + if (udev_list_get_entry(&udev_enumerate->sysattr_match_list) != NULL) { + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_match_list)) { + /* anything that does not match, will make it FALSE */ + if (!match_sysattr_value(dev, udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry))) + return false; + } + return true; + } + return true; } static bool match_property(struct udev_enumerate *udev_enumerate, struct udev_device *dev) { - struct udev_list_entry *list_entry; - bool match = false; - - /* no match always matches */ - if (udev_list_get_entry(&udev_enumerate->properties_match_list) == NULL) - return true; - - /* loop over matches */ - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->properties_match_list)) { - const char *match_key = udev_list_entry_get_name(list_entry); - const char *match_value = udev_list_entry_get_value(list_entry); - struct udev_list_entry *property_entry; - - /* loop over device properties */ - udev_list_entry_foreach(property_entry, udev_device_get_properties_list_entry(dev)) { - const char *dev_key = udev_list_entry_get_name(property_entry); - const char *dev_value = udev_list_entry_get_value(property_entry); - - if (fnmatch(match_key, dev_key, 0) != 0) - continue; - if (match_value == NULL && dev_value == NULL) { - match = true; - goto out; - } - if (match_value == NULL || dev_value == NULL) - continue; - if (fnmatch(match_value, dev_value, 0) == 0) { - match = true; - goto out; - } - } - } + struct udev_list_entry *list_entry; + bool match = false; + + /* no match always matches */ + if (udev_list_get_entry(&udev_enumerate->properties_match_list) == NULL) + return true; + + /* loop over matches */ + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->properties_match_list)) { + const char *match_key = udev_list_entry_get_name(list_entry); + const char *match_value = udev_list_entry_get_value(list_entry); + struct udev_list_entry *property_entry; + + /* loop over device properties */ + udev_list_entry_foreach(property_entry, udev_device_get_properties_list_entry(dev)) { + const char *dev_key = udev_list_entry_get_name(property_entry); + const char *dev_value = udev_list_entry_get_value(property_entry); + + if (fnmatch(match_key, dev_key, 0) != 0) + continue; + if (match_value == NULL && dev_value == NULL) { + match = true; + goto out; + } + if (match_value == NULL || dev_value == NULL) + continue; + if (fnmatch(match_value, dev_value, 0) == 0) { + match = true; + goto out; + } + } + } out: - return match; + return match; } static bool match_tag(struct udev_enumerate *udev_enumerate, struct udev_device *dev) { - struct udev_list_entry *list_entry; + struct udev_list_entry *list_entry; - /* no match always matches */ - if (udev_list_get_entry(&udev_enumerate->tags_match_list) == NULL) - return true; + /* no match always matches */ + if (udev_list_get_entry(&udev_enumerate->tags_match_list) == NULL) + return true; - /* loop over matches */ - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) - if (!udev_device_has_tag(dev, udev_list_entry_get_name(list_entry))) - return false; + /* loop over matches */ + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) + if (!udev_device_has_tag(dev, udev_list_entry_get_name(list_entry))) + return false; - return true; + return true; } static bool match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *dev) { - const char *parent; + const char *parent; - if (udev_enumerate->parent_match == NULL) - return true; + if (udev_enumerate->parent_match == NULL) + return true; - parent = udev_device_get_devpath(udev_enumerate->parent_match); - return strncmp(parent, udev_device_get_devpath(dev), strlen(parent)) == 0; + parent = udev_device_get_devpath(udev_enumerate->parent_match); + return strncmp(parent, udev_device_get_devpath(dev), strlen(parent)) == 0; } static bool match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname) { - struct udev_list_entry *list_entry; + struct udev_list_entry *list_entry; - if (udev_list_get_entry(&udev_enumerate->sysname_match_list) == NULL) - return true; + if (udev_list_get_entry(&udev_enumerate->sysname_match_list) == NULL) + return true; - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysname_match_list)) { - if (fnmatch(udev_list_entry_get_name(list_entry), sysname, 0) != 0) - continue; - return true; - } - return false; + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysname_match_list)) { + if (fnmatch(udev_list_entry_get_name(list_entry), sysname, 0) != 0) + continue; + return true; + } + return false; } static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate, - const char *basedir, const char *subdir1, const char *subdir2) -{ - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - char path[UTIL_PATH_SIZE]; - size_t l; - char *s; - DIR *dir; - struct dirent *dent; - - s = path; - l = util_strpcpyl(&s, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL); - if (subdir1 != NULL) - l = util_strpcpyl(&s, l, "/", subdir1, NULL); - if (subdir2 != NULL) - util_strpcpyl(&s, l, "/", subdir2, NULL); - dir = opendir(path); - if (dir == NULL) - return -ENOENT; - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - char syspath[UTIL_PATH_SIZE]; - struct udev_device *dev; - - if (dent->d_name[0] == '.') - continue; - - if (!match_sysname(udev_enumerate, dent->d_name)) - continue; - - util_strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL); - dev = udev_device_new_from_syspath(udev_enumerate->udev, syspath); - if (dev == NULL) - continue; - - if (udev_enumerate->match_is_initialized) { - /* - * All devices with a device node or network interfaces - * possibly need udev to adjust the device node permission - * or context, or rename the interface before it can be - * reliably used from other processes. - * - * For now, we can only check these types of devices, we - * might not store a database, and have no way to find out - * for all other types of devices. - */ - if (!udev_device_get_is_initialized(dev) && - (major(udev_device_get_devnum(dev)) > 0 || udev_device_get_ifindex(dev) > 0)) - goto nomatch; - } - if (!match_parent(udev_enumerate, dev)) - goto nomatch; - if (!match_tag(udev_enumerate, dev)) - goto nomatch; - if (!match_property(udev_enumerate, dev)) - goto nomatch; - if (!match_sysattr(udev_enumerate, dev)) - goto nomatch; - - syspath_add(udev_enumerate, udev_device_get_syspath(dev)); + const char *basedir, const char *subdir1, const char *subdir2) +{ + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + char path[UTIL_PATH_SIZE]; + size_t l; + char *s; + DIR *dir; + struct dirent *dent; + + s = path; + l = util_strpcpyl(&s, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL); + if (subdir1 != NULL) + l = util_strpcpyl(&s, l, "/", subdir1, NULL); + if (subdir2 != NULL) + util_strpcpyl(&s, l, "/", subdir2, NULL); + dir = opendir(path); + if (dir == NULL) + return -ENOENT; + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + char syspath[UTIL_PATH_SIZE]; + struct udev_device *dev; + + if (dent->d_name[0] == '.') + continue; + + if (!match_sysname(udev_enumerate, dent->d_name)) + continue; + + util_strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL); + dev = udev_device_new_from_syspath(udev_enumerate->udev, syspath); + if (dev == NULL) + continue; + + if (udev_enumerate->match_is_initialized) { + /* + * All devices with a device node or network interfaces + * possibly need udev to adjust the device node permission + * or context, or rename the interface before it can be + * reliably used from other processes. + * + * For now, we can only check these types of devices, we + * might not store a database, and have no way to find out + * for all other types of devices. + */ + if (!udev_device_get_is_initialized(dev) && + (major(udev_device_get_devnum(dev)) > 0 || udev_device_get_ifindex(dev) > 0)) + goto nomatch; + } + if (!match_parent(udev_enumerate, dev)) + goto nomatch; + if (!match_tag(udev_enumerate, dev)) + goto nomatch; + if (!match_property(udev_enumerate, dev)) + goto nomatch; + if (!match_sysattr(udev_enumerate, dev)) + goto nomatch; + + syspath_add(udev_enumerate, udev_device_get_syspath(dev)); nomatch: - udev_device_unref(dev); - } - closedir(dir); - return 0; + udev_device_unref(dev); + } + closedir(dir); + return 0; } static bool match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem) { - struct udev_list_entry *list_entry; + struct udev_list_entry *list_entry; - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_nomatch_list)) { - if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0) - return false; - } - if (udev_list_get_entry(&udev_enumerate->subsystem_match_list) != NULL) { - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_match_list)) { - if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0) - return true; - } - return false; - } - return true; + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_nomatch_list)) { + if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0) + return false; + } + if (udev_list_get_entry(&udev_enumerate->subsystem_match_list) != NULL) { + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_match_list)) { + if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0) + return true; + } + return false; + } + return true; } static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir, const char *subsystem) { - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - char path[UTIL_PATH_SIZE]; - DIR *dir; - struct dirent *dent; + char path[UTIL_PATH_SIZE]; + DIR *dir; + struct dirent *dent; - util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL); - dir = opendir(path); - if (dir == NULL) - return -1; - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - if (dent->d_name[0] == '.') - continue; - if (!match_subsystem(udev_enumerate, subsystem != NULL ? subsystem : dent->d_name)) - continue; - scan_dir_and_add_devices(udev_enumerate, basedir, dent->d_name, subdir); - } - closedir(dir); - return 0; + util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL); + dir = opendir(path); + if (dir == NULL) + return -1; + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + if (dent->d_name[0] == '.') + continue; + if (!match_subsystem(udev_enumerate, subsystem != NULL ? subsystem : dent->d_name)) + continue; + scan_dir_and_add_devices(udev_enumerate, basedir, dent->d_name, subdir); + } + closedir(dir); + return 0; } /** @@ -741,144 +741,144 @@ static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, */ UDEV_EXPORT int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath) { - struct udev_device *udev_device; + struct udev_device *udev_device; - if (udev_enumerate == NULL) - return -EINVAL; - if (syspath == NULL) - return 0; - /* resolve to real syspath */ - udev_device = udev_device_new_from_syspath(udev_enumerate->udev, syspath); - if (udev_device == NULL) - return -EINVAL; - syspath_add(udev_enumerate, udev_device_get_syspath(udev_device)); - udev_device_unref(udev_device); - return 0; + if (udev_enumerate == NULL) + return -EINVAL; + if (syspath == NULL) + return 0; + /* resolve to real syspath */ + udev_device = udev_device_new_from_syspath(udev_enumerate->udev, syspath); + if (udev_device == NULL) + return -EINVAL; + syspath_add(udev_enumerate, udev_device_get_syspath(udev_device)); + udev_device_unref(udev_device); + return 0; } static int scan_devices_tags(struct udev_enumerate *udev_enumerate) { - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - struct udev_list_entry *list_entry; - - /* scan only tagged devices, use tags reverse-index, instead of searching all devices in /sys */ - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) { - DIR *dir; - struct dirent *dent; - char path[UTIL_PATH_SIZE]; - - util_strscpyl(path, sizeof(path), udev_get_run_path(udev), "/tags/", - udev_list_entry_get_name(list_entry), NULL); - dir = opendir(path); - if (dir == NULL) - continue; - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - struct udev_device *dev; - - if (dent->d_name[0] == '.') - continue; - - dev = udev_device_new_from_id_filename(udev_enumerate->udev, dent->d_name); - if (dev == NULL) - continue; - - if (!match_subsystem(udev_enumerate, udev_device_get_subsystem(dev))) - goto nomatch; - if (!match_sysname(udev_enumerate, udev_device_get_sysname(dev))) - goto nomatch; - if (!match_parent(udev_enumerate, dev)) - goto nomatch; - if (!match_property(udev_enumerate, dev)) - goto nomatch; - if (!match_sysattr(udev_enumerate, dev)) - goto nomatch; - - syspath_add(udev_enumerate, udev_device_get_syspath(dev)); + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + struct udev_list_entry *list_entry; + + /* scan only tagged devices, use tags reverse-index, instead of searching all devices in /sys */ + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) { + DIR *dir; + struct dirent *dent; + char path[UTIL_PATH_SIZE]; + + util_strscpyl(path, sizeof(path), udev_get_run_path(udev), "/tags/", + udev_list_entry_get_name(list_entry), NULL); + dir = opendir(path); + if (dir == NULL) + continue; + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + struct udev_device *dev; + + if (dent->d_name[0] == '.') + continue; + + dev = udev_device_new_from_id_filename(udev_enumerate->udev, dent->d_name); + if (dev == NULL) + continue; + + if (!match_subsystem(udev_enumerate, udev_device_get_subsystem(dev))) + goto nomatch; + if (!match_sysname(udev_enumerate, udev_device_get_sysname(dev))) + goto nomatch; + if (!match_parent(udev_enumerate, dev)) + goto nomatch; + if (!match_property(udev_enumerate, dev)) + goto nomatch; + if (!match_sysattr(udev_enumerate, dev)) + goto nomatch; + + syspath_add(udev_enumerate, udev_device_get_syspath(dev)); nomatch: - udev_device_unref(dev); - } - closedir(dir); - } - return 0; + udev_device_unref(dev); + } + closedir(dir); + } + return 0; } static int parent_add_child(struct udev_enumerate *enumerate, const char *path) { - struct udev_device *dev; + struct udev_device *dev; - dev = udev_device_new_from_syspath(enumerate->udev, path); - if (dev == NULL) - return -ENODEV; + dev = udev_device_new_from_syspath(enumerate->udev, path); + if (dev == NULL) + return -ENODEV; - if (!match_subsystem(enumerate, udev_device_get_subsystem(dev))) - return 0; - if (!match_sysname(enumerate, udev_device_get_sysname(dev))) - return 0; - if (!match_property(enumerate, dev)) - return 0; - if (!match_sysattr(enumerate, dev)) - return 0; + if (!match_subsystem(enumerate, udev_device_get_subsystem(dev))) + return 0; + if (!match_sysname(enumerate, udev_device_get_sysname(dev))) + return 0; + if (!match_property(enumerate, dev)) + return 0; + if (!match_sysattr(enumerate, dev)) + return 0; - syspath_add(enumerate, udev_device_get_syspath(dev)); - udev_device_unref(dev); - return 1; + syspath_add(enumerate, udev_device_get_syspath(dev)); + udev_device_unref(dev); + return 1; } static int parent_crawl_children(struct udev_enumerate *enumerate, const char *path, int maxdepth) { - DIR *d; - struct dirent *dent; + DIR *d; + struct dirent *dent; - d = opendir(path); - if (d == NULL) - return -errno; + d = opendir(path); + if (d == NULL) + return -errno; - for (dent = readdir(d); dent != NULL; dent = readdir(d)) { - char *child; + for (dent = readdir(d); dent != NULL; dent = readdir(d)) { + char *child; - if (dent->d_name[0] == '.') - continue; - if (dent->d_type != DT_DIR) - continue; - if (asprintf(&child, "%s/%s", path, dent->d_name) < 0) - continue; - parent_add_child(enumerate, child); - if (maxdepth > 0) - parent_crawl_children(enumerate, child, maxdepth-1); - free(child); - } + if (dent->d_name[0] == '.') + continue; + if (dent->d_type != DT_DIR) + continue; + if (asprintf(&child, "%s/%s", path, dent->d_name) < 0) + continue; + parent_add_child(enumerate, child); + if (maxdepth > 0) + parent_crawl_children(enumerate, child, maxdepth-1); + free(child); + } - closedir(d); - return 0; + closedir(d); + return 0; } static int scan_devices_children(struct udev_enumerate *enumerate) { - const char *path; + const char *path; - path = udev_device_get_syspath(enumerate->parent_match); - parent_add_child(enumerate, path); - return parent_crawl_children(enumerate, path, 256); + path = udev_device_get_syspath(enumerate->parent_match); + parent_add_child(enumerate, path); + return parent_crawl_children(enumerate, path, 256); } static int scan_devices_all(struct udev_enumerate *udev_enumerate) { - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - char base[UTIL_PATH_SIZE]; - struct stat statbuf; + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + char base[UTIL_PATH_SIZE]; + struct stat statbuf; - util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL); - if (stat(base, &statbuf) == 0) { - /* we have /subsystem/, forget all the old stuff */ - dbg(udev, "searching '/subsystem/*/devices/*' dir\n"); - scan_dir(udev_enumerate, "subsystem", "devices", NULL); - } else { - dbg(udev, "searching '/bus/*/devices/*' dir\n"); - scan_dir(udev_enumerate, "bus", "devices", NULL); - dbg(udev, "searching '/class/*' dir\n"); - scan_dir(udev_enumerate, "class", NULL, NULL); - } - return 0; + util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL); + if (stat(base, &statbuf) == 0) { + /* we have /subsystem/, forget all the old stuff */ + dbg(udev, "searching '/subsystem/*/devices/*' dir\n"); + scan_dir(udev_enumerate, "subsystem", "devices", NULL); + } else { + dbg(udev, "searching '/bus/*/devices/*' dir\n"); + scan_dir(udev_enumerate, "bus", "devices", NULL); + dbg(udev, "searching '/class/*' dir\n"); + scan_dir(udev_enumerate, "class", NULL, NULL); + } + return 0; } /** @@ -889,19 +889,19 @@ static int scan_devices_all(struct udev_enumerate *udev_enumerate) **/ UDEV_EXPORT int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate) { - if (udev_enumerate == NULL) - return -EINVAL; + if (udev_enumerate == NULL) + return -EINVAL; - /* efficiently lookup tags only, we maintain a reverse-index */ - if (udev_list_get_entry(&udev_enumerate->tags_match_list) != NULL) - return scan_devices_tags(udev_enumerate); + /* efficiently lookup tags only, we maintain a reverse-index */ + if (udev_list_get_entry(&udev_enumerate->tags_match_list) != NULL) + return scan_devices_tags(udev_enumerate); - /* walk the subtree of one parent device only */ - if (udev_enumerate->parent_match != NULL) - return scan_devices_children(udev_enumerate); + /* walk the subtree of one parent device only */ + if (udev_enumerate->parent_match != NULL) + return scan_devices_children(udev_enumerate); - /* scan devices of all subsystems */ - return scan_devices_all(udev_enumerate); + /* scan devices of all subsystems */ + return scan_devices_all(udev_enumerate); } /** @@ -912,36 +912,36 @@ UDEV_EXPORT int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerat **/ UDEV_EXPORT int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate) { - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - char base[UTIL_PATH_SIZE]; - struct stat statbuf; - const char *subsysdir; - - if (udev_enumerate == NULL) - return -EINVAL; - - /* all kernel modules */ - if (match_subsystem(udev_enumerate, "module")) { - dbg(udev, "searching '%s/modules/*' dir\n", subsysdir); - scan_dir_and_add_devices(udev_enumerate, "module", NULL, NULL); - } - - util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL); - if (stat(base, &statbuf) == 0) - subsysdir = "subsystem"; - else - subsysdir = "bus"; - - /* all subsystems (only buses support coldplug) */ - if (match_subsystem(udev_enumerate, "subsystem")) { - dbg(udev, "searching '%s/*' dir\n", subsysdir); - scan_dir_and_add_devices(udev_enumerate, subsysdir, NULL, NULL); - } - - /* all subsystem drivers */ - if (match_subsystem(udev_enumerate, "drivers")) { - dbg(udev, "searching '%s/*/drivers/*' dir\n", subsysdir); - scan_dir(udev_enumerate, subsysdir, "drivers", "drivers"); - } - return 0; + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + char base[UTIL_PATH_SIZE]; + struct stat statbuf; + const char *subsysdir; + + if (udev_enumerate == NULL) + return -EINVAL; + + /* all kernel modules */ + if (match_subsystem(udev_enumerate, "module")) { + dbg(udev, "searching '%s/modules/*' dir\n", subsysdir); + scan_dir_and_add_devices(udev_enumerate, "module", NULL, NULL); + } + + util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL); + if (stat(base, &statbuf) == 0) + subsysdir = "subsystem"; + else + subsysdir = "bus"; + + /* all subsystems (only buses support coldplug) */ + if (match_subsystem(udev_enumerate, "subsystem")) { + dbg(udev, "searching '%s/*' dir\n", subsysdir); + scan_dir_and_add_devices(udev_enumerate, subsysdir, NULL, NULL); + } + + /* all subsystem drivers */ + if (match_subsystem(udev_enumerate, "drivers")) { + dbg(udev, "searching '%s/*/drivers/*' dir\n", subsysdir); + scan_dir(udev_enumerate, subsysdir, "drivers", "drivers"); + } + return 0; } diff --git a/src/libudev-list.c b/src/libudev-list.c index f74a88ca4..4bdef35ae 100644 --- a/src/libudev-list.c +++ b/src/libudev-list.c @@ -33,232 +33,232 @@ * contains a name, and optionally a value. */ struct udev_list_entry { - struct udev_list_node node; - struct udev_list *list; - char *name; - char *value; - int num; + struct udev_list_node node; + struct udev_list *list; + char *name; + char *value; + int num; }; /* the list's head points to itself if empty */ void udev_list_node_init(struct udev_list_node *list) { - list->next = list; - list->prev = list; + list->next = list; + list->prev = list; } int udev_list_node_is_empty(struct udev_list_node *list) { - return list->next == list; + return list->next == list; } static void udev_list_node_insert_between(struct udev_list_node *new, - struct udev_list_node *prev, - struct udev_list_node *next) + struct udev_list_node *prev, + struct udev_list_node *next) { - next->prev = new; - new->next = next; - new->prev = prev; - prev->next = new; + next->prev = new; + new->next = next; + new->prev = prev; + prev->next = new; } void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list) { - udev_list_node_insert_between(new, list->prev, list); + udev_list_node_insert_between(new, list->prev, list); } void udev_list_node_remove(struct udev_list_node *entry) { - struct udev_list_node *prev = entry->prev; - struct udev_list_node *next = entry->next; + struct udev_list_node *prev = entry->prev; + struct udev_list_node *next = entry->next; - next->prev = prev; - prev->next = next; + next->prev = prev; + prev->next = next; - entry->prev = NULL; - entry->next = NULL; + entry->prev = NULL; + entry->next = NULL; } /* return list entry which embeds this node */ static struct udev_list_entry *list_node_to_entry(struct udev_list_node *node) { - char *list; + char *list; - list = (char *)node; - list -= offsetof(struct udev_list_entry, node); - return (struct udev_list_entry *)list; + list = (char *)node; + list -= offsetof(struct udev_list_entry, node); + return (struct udev_list_entry *)list; } void udev_list_init(struct udev *udev, struct udev_list *list, bool unique) { - memset(list, 0x00, sizeof(struct udev_list)); - list->udev = udev; - list->unique = unique; - udev_list_node_init(&list->node); + memset(list, 0x00, sizeof(struct udev_list)); + list->udev = udev; + list->unique = unique; + udev_list_node_init(&list->node); } /* insert entry into a list as the last element */ void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list) { - /* inserting before the list head make the node the last node in the list */ - udev_list_node_insert_between(&new->node, list->node.prev, &list->node); - new->list = list; + /* inserting before the list head make the node the last node in the list */ + udev_list_node_insert_between(&new->node, list->node.prev, &list->node); + new->list = list; } /* insert entry into a list, before a given existing entry */ void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry) { - udev_list_node_insert_between(&new->node, entry->node.prev, &entry->node); - new->list = entry->list; + udev_list_node_insert_between(&new->node, entry->node.prev, &entry->node); + new->list = entry->list; } /* binary search in sorted array */ static int list_search(struct udev_list *list, const char *name) { - unsigned int first, last; - - first = 0; - last = list->entries_cur; - while (first < last) { - unsigned int i; - int cmp; - - i = (first + last)/2; - cmp = strcmp(name, list->entries[i]->name); - if (cmp < 0) - last = i; - else if (cmp > 0) - first = i+1; - else - return i; - } - - /* not found, return negative insertion-index+1 */ - return -(first+1); + unsigned int first, last; + + first = 0; + last = list->entries_cur; + while (first < last) { + unsigned int i; + int cmp; + + i = (first + last)/2; + cmp = strcmp(name, list->entries[i]->name); + if (cmp < 0) + last = i; + else if (cmp > 0) + first = i+1; + else + return i; + } + + /* not found, return negative insertion-index+1 */ + return -(first+1); } struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *name, const char *value) { - struct udev_list_entry *entry; - int i = 0; - - if (list->unique) { - /* lookup existing name or insertion-index */ - i = list_search(list, name); - if (i >= 0) { - entry = list->entries[i]; - - dbg(list->udev, "'%s' is already in the list\n", name); - free(entry->value); - if (value == NULL) { - entry->value = NULL; - dbg(list->udev, "'%s' value unset\n", name); - return entry; - } - entry->value = strdup(value); - if (entry->value == NULL) - return NULL; - dbg(list->udev, "'%s' value replaced with '%s'\n", name, value); - return entry; - } - } - - /* add new name */ - entry = calloc(1, sizeof(struct udev_list_entry)); - if (entry == NULL) - return NULL; - entry->name = strdup(name); - if (entry->name == NULL) { - free(entry); - return NULL; - } - if (value != NULL) { - entry->value = strdup(value); - if (entry->value == NULL) { - free(entry->name); - free(entry); - return NULL; - } - } - - if (list->unique) { - /* allocate or enlarge sorted array if needed */ - if (list->entries_cur >= list->entries_max) { - unsigned int add; - - add = list->entries_max; - if (add < 1) - add = 64; - list->entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *)); - if (list->entries == NULL) { - free(entry->name); - free(entry->value); - return NULL; - } - list->entries_max += add; - } - - /* the negative i returned the insertion index */ - i = (-i)-1; - - /* insert into sorted list */ - if ((unsigned int)i < list->entries_cur) - udev_list_entry_insert_before(entry, list->entries[i]); - else - udev_list_entry_append(entry, list); - - /* insert into sorted array */ - memmove(&list->entries[i+1], &list->entries[i], - (list->entries_cur - i) * sizeof(struct udev_list_entry *)); - list->entries[i] = entry; - list->entries_cur++; - } else { - udev_list_entry_append(entry, list); - } - - dbg(list->udev, "'%s=%s' added\n", entry->name, entry->value); - return entry; + struct udev_list_entry *entry; + int i = 0; + + if (list->unique) { + /* lookup existing name or insertion-index */ + i = list_search(list, name); + if (i >= 0) { + entry = list->entries[i]; + + dbg(list->udev, "'%s' is already in the list\n", name); + free(entry->value); + if (value == NULL) { + entry->value = NULL; + dbg(list->udev, "'%s' value unset\n", name); + return entry; + } + entry->value = strdup(value); + if (entry->value == NULL) + return NULL; + dbg(list->udev, "'%s' value replaced with '%s'\n", name, value); + return entry; + } + } + + /* add new name */ + entry = calloc(1, sizeof(struct udev_list_entry)); + if (entry == NULL) + return NULL; + entry->name = strdup(name); + if (entry->name == NULL) { + free(entry); + return NULL; + } + if (value != NULL) { + entry->value = strdup(value); + if (entry->value == NULL) { + free(entry->name); + free(entry); + return NULL; + } + } + + if (list->unique) { + /* allocate or enlarge sorted array if needed */ + if (list->entries_cur >= list->entries_max) { + unsigned int add; + + add = list->entries_max; + if (add < 1) + add = 64; + list->entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *)); + if (list->entries == NULL) { + free(entry->name); + free(entry->value); + return NULL; + } + list->entries_max += add; + } + + /* the negative i returned the insertion index */ + i = (-i)-1; + + /* insert into sorted list */ + if ((unsigned int)i < list->entries_cur) + udev_list_entry_insert_before(entry, list->entries[i]); + else + udev_list_entry_append(entry, list); + + /* insert into sorted array */ + memmove(&list->entries[i+1], &list->entries[i], + (list->entries_cur - i) * sizeof(struct udev_list_entry *)); + list->entries[i] = entry; + list->entries_cur++; + } else { + udev_list_entry_append(entry, list); + } + + dbg(list->udev, "'%s=%s' added\n", entry->name, entry->value); + return entry; } void udev_list_entry_delete(struct udev_list_entry *entry) { - if (entry->list->entries != NULL) { - int i; - struct udev_list *list = entry->list; - - /* remove entry from sorted array */ - i = list_search(list, entry->name); - if (i >= 0) { - memmove(&list->entries[i], &list->entries[i+1], - ((list->entries_cur-1) - i) * sizeof(struct udev_list_entry *)); - list->entries_cur--; - } - } - - udev_list_node_remove(&entry->node); - free(entry->name); - free(entry->value); - free(entry); + if (entry->list->entries != NULL) { + int i; + struct udev_list *list = entry->list; + + /* remove entry from sorted array */ + i = list_search(list, entry->name); + if (i >= 0) { + memmove(&list->entries[i], &list->entries[i+1], + ((list->entries_cur-1) - i) * sizeof(struct udev_list_entry *)); + list->entries_cur--; + } + } + + udev_list_node_remove(&entry->node); + free(entry->name); + free(entry->value); + free(entry); } void udev_list_cleanup(struct udev_list *list) { - struct udev_list_entry *entry_loop; - struct udev_list_entry *entry_tmp; - - free(list->entries); - list->entries = NULL; - list->entries_cur = 0; - list->entries_max = 0; - udev_list_entry_foreach_safe(entry_loop, entry_tmp, udev_list_get_entry(list)) - udev_list_entry_delete(entry_loop); + struct udev_list_entry *entry_loop; + struct udev_list_entry *entry_tmp; + + free(list->entries); + list->entries = NULL; + list->entries_cur = 0; + list->entries_max = 0; + udev_list_entry_foreach_safe(entry_loop, entry_tmp, udev_list_get_entry(list)) + udev_list_entry_delete(entry_loop); } struct udev_list_entry *udev_list_get_entry(struct udev_list *list) { - if (udev_list_node_is_empty(&list->node)) - return NULL; - return list_node_to_entry(list->node.next); + if (udev_list_node_is_empty(&list->node)) + return NULL; + return list_node_to_entry(list->node.next); } /** @@ -269,15 +269,15 @@ struct udev_list_entry *udev_list_get_entry(struct udev_list *list) */ UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry) { - struct udev_list_node *next; - - if (list_entry == NULL) - return NULL; - next = list_entry->node.next; - /* empty list or no more entries */ - if (next == &list_entry->list->node) - return NULL; - return list_node_to_entry(next); + struct udev_list_node *next; + + if (list_entry == NULL) + return NULL; + next = list_entry->node.next; + /* empty list or no more entries */ + if (next == &list_entry->list->node) + return NULL; + return list_node_to_entry(next); } /** @@ -289,18 +289,18 @@ UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_next(struct udev_list_en */ UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name) { - int i; + int i; - if (list_entry == NULL) - return NULL; + if (list_entry == NULL) + return NULL; - if (!list_entry->list->unique) - return NULL; + if (!list_entry->list->unique) + return NULL; - i = list_search(list_entry->list, name); - if (i < 0) - return NULL; - return list_entry->list->entries[i]; + i = list_search(list_entry->list, name); + if (i < 0) + return NULL; + return list_entry->list->entries[i]; } /** @@ -311,9 +311,9 @@ UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list */ UDEV_EXPORT const char *udev_list_entry_get_name(struct udev_list_entry *list_entry) { - if (list_entry == NULL) - return NULL; - return list_entry->name; + if (list_entry == NULL) + return NULL; + return list_entry->name; } /** @@ -324,21 +324,21 @@ UDEV_EXPORT const char *udev_list_entry_get_name(struct udev_list_entry *list_en */ UDEV_EXPORT const char *udev_list_entry_get_value(struct udev_list_entry *list_entry) { - if (list_entry == NULL) - return NULL; - return list_entry->value; + if (list_entry == NULL) + return NULL; + return list_entry->value; } int udev_list_entry_get_num(struct udev_list_entry *list_entry) { - if (list_entry == NULL) - return -EINVAL; - return list_entry->num; + if (list_entry == NULL) + return -EINVAL; + return list_entry->num; } void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num) { - if (list_entry == NULL) - return; - list_entry->num = num; + if (list_entry == NULL) + return; + list_entry->num = num; } diff --git a/src/libudev-monitor.c b/src/libudev-monitor.c index f2f39f958..0b5707215 100644 --- a/src/libudev-monitor.c +++ b/src/libudev-monitor.c @@ -40,61 +40,61 @@ * Opaque object handling an event source. */ struct udev_monitor { - struct udev *udev; - int refcount; - int sock; - struct sockaddr_nl snl; - struct sockaddr_nl snl_trusted_sender; - struct sockaddr_nl snl_destination; - struct sockaddr_un sun; - socklen_t addrlen; - struct udev_list filter_subsystem_list; - struct udev_list filter_tag_list; - bool bound; + struct udev *udev; + int refcount; + int sock; + struct sockaddr_nl snl; + struct sockaddr_nl snl_trusted_sender; + struct sockaddr_nl snl_destination; + struct sockaddr_un sun; + socklen_t addrlen; + struct udev_list filter_subsystem_list; + struct udev_list filter_tag_list; + bool bound; }; enum udev_monitor_netlink_group { - UDEV_MONITOR_NONE, - UDEV_MONITOR_KERNEL, - UDEV_MONITOR_UDEV, + UDEV_MONITOR_NONE, + UDEV_MONITOR_KERNEL, + UDEV_MONITOR_UDEV, }; -#define UDEV_MONITOR_MAGIC 0xfeedcafe +#define UDEV_MONITOR_MAGIC 0xfeedcafe struct udev_monitor_netlink_header { - /* "libudev" prefix to distinguish libudev and kernel messages */ - char prefix[8]; - /* - * magic to protect against daemon <-> library message format mismatch - * used in the kernel from socket filter rules; needs to be stored in network order - */ - unsigned int magic; - /* total length of header structure known to the sender */ - unsigned int header_size; - /* properties string buffer */ - unsigned int properties_off; - unsigned int properties_len; - /* - * hashes of primary device properties strings, to let libudev subscribers - * use in-kernel socket filters; values need to be stored in network order - */ - unsigned int filter_subsystem_hash; - unsigned int filter_devtype_hash; - unsigned int filter_tag_bloom_hi; - unsigned int filter_tag_bloom_lo; + /* "libudev" prefix to distinguish libudev and kernel messages */ + char prefix[8]; + /* + * magic to protect against daemon <-> library message format mismatch + * used in the kernel from socket filter rules; needs to be stored in network order + */ + unsigned int magic; + /* total length of header structure known to the sender */ + unsigned int header_size; + /* properties string buffer */ + unsigned int properties_off; + unsigned int properties_len; + /* + * hashes of primary device properties strings, to let libudev subscribers + * use in-kernel socket filters; values need to be stored in network order + */ + unsigned int filter_subsystem_hash; + unsigned int filter_devtype_hash; + unsigned int filter_tag_bloom_hi; + unsigned int filter_tag_bloom_lo; }; static struct udev_monitor *udev_monitor_new(struct udev *udev) { - struct udev_monitor *udev_monitor; - - udev_monitor = calloc(1, sizeof(struct udev_monitor)); - if (udev_monitor == NULL) - return NULL; - udev_monitor->refcount = 1; - udev_monitor->udev = udev; - udev_list_init(udev, &udev_monitor->filter_subsystem_list, false); - udev_list_init(udev, &udev_monitor->filter_tag_list, true); - return udev_monitor; + struct udev_monitor *udev_monitor; + + udev_monitor = calloc(1, sizeof(struct udev_monitor)); + if (udev_monitor == NULL) + return NULL; + udev_monitor->refcount = 1; + udev_monitor->udev = udev; + udev_list_init(udev, &udev_monitor->filter_subsystem_list, false); + udev_list_init(udev, &udev_monitor->filter_tag_list, true); + return udev_monitor; } /** @@ -124,85 +124,85 @@ static struct udev_monitor *udev_monitor_new(struct udev *udev) **/ UDEV_EXPORT struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path) { - struct udev_monitor *udev_monitor; - struct stat statbuf; - - if (udev == NULL) - return NULL; - if (socket_path == NULL) - return NULL; - udev_monitor = udev_monitor_new(udev); - if (udev_monitor == NULL) - return NULL; - - udev_monitor->sun.sun_family = AF_LOCAL; - if (socket_path[0] == '@') { - /* translate leading '@' to abstract namespace */ - util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path); - udev_monitor->sun.sun_path[0] = '\0'; - udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path); - } else if (stat(socket_path, &statbuf) == 0 && S_ISSOCK(statbuf.st_mode)) { - /* existing socket file */ - util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path); - udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path); - } else { - /* no socket file, assume abstract namespace socket */ - util_strscpy(&udev_monitor->sun.sun_path[1], sizeof(udev_monitor->sun.sun_path)-1, socket_path); - udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path)+1; - } - udev_monitor->sock = socket(AF_LOCAL, SOCK_DGRAM|SOCK_NONBLOCK|SOCK_CLOEXEC, 0); - if (udev_monitor->sock == -1) { - err(udev, "error getting socket: %m\n"); - free(udev_monitor); - return NULL; - } - - dbg(udev, "monitor %p created with '%s'\n", udev_monitor, socket_path); - return udev_monitor; + struct udev_monitor *udev_monitor; + struct stat statbuf; + + if (udev == NULL) + return NULL; + if (socket_path == NULL) + return NULL; + udev_monitor = udev_monitor_new(udev); + if (udev_monitor == NULL) + return NULL; + + udev_monitor->sun.sun_family = AF_LOCAL; + if (socket_path[0] == '@') { + /* translate leading '@' to abstract namespace */ + util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path); + udev_monitor->sun.sun_path[0] = '\0'; + udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path); + } else if (stat(socket_path, &statbuf) == 0 && S_ISSOCK(statbuf.st_mode)) { + /* existing socket file */ + util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path); + udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path); + } else { + /* no socket file, assume abstract namespace socket */ + util_strscpy(&udev_monitor->sun.sun_path[1], sizeof(udev_monitor->sun.sun_path)-1, socket_path); + udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path)+1; + } + udev_monitor->sock = socket(AF_LOCAL, SOCK_DGRAM|SOCK_NONBLOCK|SOCK_CLOEXEC, 0); + if (udev_monitor->sock == -1) { + err(udev, "error getting socket: %m\n"); + free(udev_monitor); + return NULL; + } + + dbg(udev, "monitor %p created with '%s'\n", udev_monitor, socket_path); + return udev_monitor; } struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd) { - struct udev_monitor *udev_monitor; - unsigned int group; - - if (udev == NULL) - return NULL; - - if (name == NULL) - group = UDEV_MONITOR_NONE; - else if (strcmp(name, "udev") == 0) - group = UDEV_MONITOR_UDEV; - else if (strcmp(name, "kernel") == 0) - group = UDEV_MONITOR_KERNEL; - else - return NULL; - - udev_monitor = udev_monitor_new(udev); - if (udev_monitor == NULL) - return NULL; - - if (fd < 0) { - udev_monitor->sock = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_KOBJECT_UEVENT); - if (udev_monitor->sock == -1) { - err(udev, "error getting socket: %m\n"); - free(udev_monitor); - return NULL; - } - } else { - udev_monitor->bound = true; - udev_monitor->sock = fd; - } - - udev_monitor->snl.nl_family = AF_NETLINK; - udev_monitor->snl.nl_groups = group; - - /* default destination for sending */ - udev_monitor->snl_destination.nl_family = AF_NETLINK; - udev_monitor->snl_destination.nl_groups = UDEV_MONITOR_UDEV; - - dbg(udev, "monitor %p created with NETLINK_KOBJECT_UEVENT (%u)\n", udev_monitor, group); - return udev_monitor; + struct udev_monitor *udev_monitor; + unsigned int group; + + if (udev == NULL) + return NULL; + + if (name == NULL) + group = UDEV_MONITOR_NONE; + else if (strcmp(name, "udev") == 0) + group = UDEV_MONITOR_UDEV; + else if (strcmp(name, "kernel") == 0) + group = UDEV_MONITOR_KERNEL; + else + return NULL; + + udev_monitor = udev_monitor_new(udev); + if (udev_monitor == NULL) + return NULL; + + if (fd < 0) { + udev_monitor->sock = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_KOBJECT_UEVENT); + if (udev_monitor->sock == -1) { + err(udev, "error getting socket: %m\n"); + free(udev_monitor); + return NULL; + } + } else { + udev_monitor->bound = true; + udev_monitor->sock = fd; + } + + udev_monitor->snl.nl_family = AF_NETLINK; + udev_monitor->snl.nl_groups = group; + + /* default destination for sending */ + udev_monitor->snl_destination.nl_family = AF_NETLINK; + udev_monitor->snl_destination.nl_groups = UDEV_MONITOR_UDEV; + + dbg(udev, "monitor %p created with NETLINK_KOBJECT_UEVENT (%u)\n", udev_monitor, group); + return udev_monitor; } /** @@ -229,30 +229,30 @@ struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const c **/ UDEV_EXPORT struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name) { - return udev_monitor_new_from_netlink_fd(udev, name, -1); + return udev_monitor_new_from_netlink_fd(udev, name, -1); } static inline void bpf_stmt(struct sock_filter *inss, unsigned int *i, - unsigned short code, unsigned int data) + unsigned short code, unsigned int data) { - struct sock_filter *ins = &inss[*i]; + struct sock_filter *ins = &inss[*i]; - ins->code = code; - ins->k = data; - (*i)++; + ins->code = code; + ins->k = data; + (*i)++; } static inline void bpf_jmp(struct sock_filter *inss, unsigned int *i, - unsigned short code, unsigned int data, - unsigned short jt, unsigned short jf) + unsigned short code, unsigned int data, + unsigned short jt, unsigned short jf) { - struct sock_filter *ins = &inss[*i]; + struct sock_filter *ins = &inss[*i]; - ins->code = code; - ins->jt = jt; - ins->jf = jf; - ins->k = data; - (*i)++; + ins->code = code; + ins->jt = jt; + ins->jf = jf; + ins->k = data; + (*i)++; } /** @@ -266,107 +266,107 @@ static inline void bpf_jmp(struct sock_filter *inss, unsigned int *i, */ UDEV_EXPORT int udev_monitor_filter_update(struct udev_monitor *udev_monitor) { - struct sock_filter ins[512]; - struct sock_fprog filter; - unsigned int i; - struct udev_list_entry *list_entry; - int err; - - if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL && - udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL) - return 0; - - memset(ins, 0x00, sizeof(ins)); - i = 0; - - /* load magic in A */ - bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, magic)); - /* jump if magic matches */ - bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, UDEV_MONITOR_MAGIC, 1, 0); - /* wrong magic, pass packet */ - bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff); - - if (udev_list_get_entry(&udev_monitor->filter_tag_list) != NULL) { - int tag_matches; - - /* count tag matches, to calculate end of tag match block */ - tag_matches = 0; - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) - tag_matches++; - - /* add all tags matches */ - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) { - uint64_t tag_bloom_bits = util_string_bloom64(udev_list_entry_get_name(list_entry)); - uint32_t tag_bloom_hi = tag_bloom_bits >> 32; - uint32_t tag_bloom_lo = tag_bloom_bits & 0xffffffff; - - /* load device bloom bits in A */ - bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_hi)); - /* clear bits (tag bits & bloom bits) */ - bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_hi); - /* jump to next tag if it does not match */ - bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_hi, 0, 3); - - /* load device bloom bits in A */ - bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_lo)); - /* clear bits (tag bits & bloom bits) */ - bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_lo); - /* jump behind end of tag match block if tag matches */ - tag_matches--; - bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_lo, 1 + (tag_matches * 6), 0); - } - - /* nothing matched, drop packet */ - bpf_stmt(ins, &i, BPF_RET|BPF_K, 0); - } - - /* add all subsystem matches */ - if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) != NULL) { - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) { - unsigned int hash = util_string_hash32(udev_list_entry_get_name(list_entry)); - - /* load device subsystem value in A */ - bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_subsystem_hash)); - if (udev_list_entry_get_value(list_entry) == NULL) { - /* jump if subsystem does not match */ - bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1); - } else { - /* jump if subsystem does not match */ - bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 3); - - /* load device devtype value in A */ - bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_devtype_hash)); - /* jump if value does not match */ - hash = util_string_hash32(udev_list_entry_get_value(list_entry)); - bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1); - } - - /* matched, pass packet */ - bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff); - - if (i+1 >= ARRAY_SIZE(ins)) - return -1; - } - - /* nothing matched, drop packet */ - bpf_stmt(ins, &i, BPF_RET|BPF_K, 0); - } - - /* matched, pass packet */ - bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff); - - /* install filter */ - memset(&filter, 0x00, sizeof(filter)); - filter.len = i; - filter.filter = ins; - err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)); - return err; + struct sock_filter ins[512]; + struct sock_fprog filter; + unsigned int i; + struct udev_list_entry *list_entry; + int err; + + if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL && + udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL) + return 0; + + memset(ins, 0x00, sizeof(ins)); + i = 0; + + /* load magic in A */ + bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, magic)); + /* jump if magic matches */ + bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, UDEV_MONITOR_MAGIC, 1, 0); + /* wrong magic, pass packet */ + bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff); + + if (udev_list_get_entry(&udev_monitor->filter_tag_list) != NULL) { + int tag_matches; + + /* count tag matches, to calculate end of tag match block */ + tag_matches = 0; + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) + tag_matches++; + + /* add all tags matches */ + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) { + uint64_t tag_bloom_bits = util_string_bloom64(udev_list_entry_get_name(list_entry)); + uint32_t tag_bloom_hi = tag_bloom_bits >> 32; + uint32_t tag_bloom_lo = tag_bloom_bits & 0xffffffff; + + /* load device bloom bits in A */ + bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_hi)); + /* clear bits (tag bits & bloom bits) */ + bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_hi); + /* jump to next tag if it does not match */ + bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_hi, 0, 3); + + /* load device bloom bits in A */ + bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_lo)); + /* clear bits (tag bits & bloom bits) */ + bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_lo); + /* jump behind end of tag match block if tag matches */ + tag_matches--; + bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_lo, 1 + (tag_matches * 6), 0); + } + + /* nothing matched, drop packet */ + bpf_stmt(ins, &i, BPF_RET|BPF_K, 0); + } + + /* add all subsystem matches */ + if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) != NULL) { + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) { + unsigned int hash = util_string_hash32(udev_list_entry_get_name(list_entry)); + + /* load device subsystem value in A */ + bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_subsystem_hash)); + if (udev_list_entry_get_value(list_entry) == NULL) { + /* jump if subsystem does not match */ + bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1); + } else { + /* jump if subsystem does not match */ + bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 3); + + /* load device devtype value in A */ + bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_devtype_hash)); + /* jump if value does not match */ + hash = util_string_hash32(udev_list_entry_get_value(list_entry)); + bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1); + } + + /* matched, pass packet */ + bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff); + + if (i+1 >= ARRAY_SIZE(ins)) + return -1; + } + + /* nothing matched, drop packet */ + bpf_stmt(ins, &i, BPF_RET|BPF_K, 0); + } + + /* matched, pass packet */ + bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff); + + /* install filter */ + memset(&filter, 0x00, sizeof(filter)); + filter.len = i; + filter.filter = ins; + err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)); + return err; } int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender) { - udev_monitor->snl_trusted_sender.nl_pid = sender->snl.nl_pid; - return 0; + udev_monitor->snl_trusted_sender.nl_pid = sender->snl.nl_pid; + return 0; } /** * udev_monitor_enable_receiving: @@ -378,49 +378,49 @@ int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct */ UDEV_EXPORT int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor) { - int err = 0; - const int on = 1; - - if (udev_monitor->sun.sun_family != 0) { - if (!udev_monitor->bound) { - err = bind(udev_monitor->sock, - (struct sockaddr *)&udev_monitor->sun, udev_monitor->addrlen); - if (err == 0) - udev_monitor->bound = true; - } - } else if (udev_monitor->snl.nl_family != 0) { - udev_monitor_filter_update(udev_monitor); - if (!udev_monitor->bound) { - err = bind(udev_monitor->sock, - (struct sockaddr *)&udev_monitor->snl, sizeof(struct sockaddr_nl)); - if (err == 0) - udev_monitor->bound = true; - } - if (err == 0) { - struct sockaddr_nl snl; - socklen_t addrlen; - - /* - * get the address the kernel has assigned us - * it is usually, but not necessarily the pid - */ - addrlen = sizeof(struct sockaddr_nl); - err = getsockname(udev_monitor->sock, (struct sockaddr *)&snl, &addrlen); - if (err == 0) - udev_monitor->snl.nl_pid = snl.nl_pid; - } - } else { - return -EINVAL; - } - - if (err < 0) { - err(udev_monitor->udev, "bind failed: %m\n"); - return err; - } - - /* enable receiving of sender credentials */ - setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); - return 0; + int err = 0; + const int on = 1; + + if (udev_monitor->sun.sun_family != 0) { + if (!udev_monitor->bound) { + err = bind(udev_monitor->sock, + (struct sockaddr *)&udev_monitor->sun, udev_monitor->addrlen); + if (err == 0) + udev_monitor->bound = true; + } + } else if (udev_monitor->snl.nl_family != 0) { + udev_monitor_filter_update(udev_monitor); + if (!udev_monitor->bound) { + err = bind(udev_monitor->sock, + (struct sockaddr *)&udev_monitor->snl, sizeof(struct sockaddr_nl)); + if (err == 0) + udev_monitor->bound = true; + } + if (err == 0) { + struct sockaddr_nl snl; + socklen_t addrlen; + + /* + * get the address the kernel has assigned us + * it is usually, but not necessarily the pid + */ + addrlen = sizeof(struct sockaddr_nl); + err = getsockname(udev_monitor->sock, (struct sockaddr *)&snl, &addrlen); + if (err == 0) + udev_monitor->snl.nl_pid = snl.nl_pid; + } + } else { + return -EINVAL; + } + + if (err < 0) { + err(udev_monitor->udev, "bind failed: %m\n"); + return err; + } + + /* enable receiving of sender credentials */ + setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); + return 0; } /** @@ -435,18 +435,18 @@ UDEV_EXPORT int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor) */ UDEV_EXPORT int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size) { - if (udev_monitor == NULL) - return -1; - return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_RCVBUFFORCE, &size, sizeof(size)); + if (udev_monitor == NULL) + return -1; + return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_RCVBUFFORCE, &size, sizeof(size)); } int udev_monitor_disconnect(struct udev_monitor *udev_monitor) { - int err; + int err; - err = close(udev_monitor->sock); - udev_monitor->sock = -1; - return err; + err = close(udev_monitor->sock); + udev_monitor->sock = -1; + return err; } /** @@ -459,10 +459,10 @@ int udev_monitor_disconnect(struct udev_monitor *udev_monitor) **/ UDEV_EXPORT struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor) { - if (udev_monitor == NULL) - return NULL; - udev_monitor->refcount++; - return udev_monitor; + if (udev_monitor == NULL) + return NULL; + udev_monitor->refcount++; + return udev_monitor; } /** @@ -476,17 +476,17 @@ UDEV_EXPORT struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_moni **/ UDEV_EXPORT void udev_monitor_unref(struct udev_monitor *udev_monitor) { - if (udev_monitor == NULL) - return; - udev_monitor->refcount--; - if (udev_monitor->refcount > 0) - return; - if (udev_monitor->sock >= 0) - close(udev_monitor->sock); - udev_list_cleanup(&udev_monitor->filter_subsystem_list); - udev_list_cleanup(&udev_monitor->filter_tag_list); - dbg(udev_monitor->udev, "monitor %p released\n", udev_monitor); - free(udev_monitor); + if (udev_monitor == NULL) + return; + udev_monitor->refcount--; + if (udev_monitor->refcount > 0) + return; + if (udev_monitor->sock >= 0) + close(udev_monitor->sock); + udev_list_cleanup(&udev_monitor->filter_subsystem_list); + udev_list_cleanup(&udev_monitor->filter_tag_list); + dbg(udev_monitor->udev, "monitor %p released\n", udev_monitor); + free(udev_monitor); } /** @@ -499,9 +499,9 @@ UDEV_EXPORT void udev_monitor_unref(struct udev_monitor *udev_monitor) **/ UDEV_EXPORT struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor) { - if (udev_monitor == NULL) - return NULL; - return udev_monitor->udev; + if (udev_monitor == NULL) + return NULL; + return udev_monitor->udev; } /** @@ -514,47 +514,47 @@ UDEV_EXPORT struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor **/ UDEV_EXPORT int udev_monitor_get_fd(struct udev_monitor *udev_monitor) { - if (udev_monitor == NULL) - return -1; - return udev_monitor->sock; + if (udev_monitor == NULL) + return -1; + return udev_monitor->sock; } static int passes_filter(struct udev_monitor *udev_monitor, struct udev_device *udev_device) { - struct udev_list_entry *list_entry; - - if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL) - goto tag; - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) { - const char *subsys = udev_list_entry_get_name(list_entry); - const char *dsubsys = udev_device_get_subsystem(udev_device); - const char *devtype; - const char *ddevtype; - - if (strcmp(dsubsys, subsys) != 0) - continue; - - devtype = udev_list_entry_get_value(list_entry); - if (devtype == NULL) - goto tag; - ddevtype = udev_device_get_devtype(udev_device); - if (ddevtype == NULL) - continue; - if (strcmp(ddevtype, devtype) == 0) - goto tag; - } - return 0; + struct udev_list_entry *list_entry; + + if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL) + goto tag; + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) { + const char *subsys = udev_list_entry_get_name(list_entry); + const char *dsubsys = udev_device_get_subsystem(udev_device); + const char *devtype; + const char *ddevtype; + + if (strcmp(dsubsys, subsys) != 0) + continue; + + devtype = udev_list_entry_get_value(list_entry); + if (devtype == NULL) + goto tag; + ddevtype = udev_device_get_devtype(udev_device); + if (ddevtype == NULL) + continue; + if (strcmp(ddevtype, devtype) == 0) + goto tag; + } + return 0; tag: - if (udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL) - return 1; - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) { - const char *tag = udev_list_entry_get_name(list_entry); - - if (udev_device_has_tag(udev_device, tag)) - return 1; - } - return 0; + if (udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL) + return 1; + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) { + const char *tag = udev_list_entry_get_name(list_entry); + + if (udev_device_has_tag(udev_device, tag)) + return 1; + } + return 0; } /** @@ -573,242 +573,242 @@ tag: **/ UDEV_EXPORT struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor) { - struct udev_device *udev_device; - struct msghdr smsg; - struct iovec iov; - char cred_msg[CMSG_SPACE(sizeof(struct ucred))]; - struct cmsghdr *cmsg; - struct sockaddr_nl snl; - struct ucred *cred; - char buf[8192]; - ssize_t buflen; - ssize_t bufpos; - struct udev_monitor_netlink_header *nlh; + struct udev_device *udev_device; + struct msghdr smsg; + struct iovec iov; + char cred_msg[CMSG_SPACE(sizeof(struct ucred))]; + struct cmsghdr *cmsg; + struct sockaddr_nl snl; + struct ucred *cred; + char buf[8192]; + ssize_t buflen; + ssize_t bufpos; + struct udev_monitor_netlink_header *nlh; retry: - if (udev_monitor == NULL) - return NULL; - memset(buf, 0x00, sizeof(buf)); - iov.iov_base = &buf; - iov.iov_len = sizeof(buf); - memset (&smsg, 0x00, sizeof(struct msghdr)); - smsg.msg_iov = &iov; - smsg.msg_iovlen = 1; - smsg.msg_control = cred_msg; - smsg.msg_controllen = sizeof(cred_msg); - - if (udev_monitor->snl.nl_family != 0) { - smsg.msg_name = &snl; - smsg.msg_namelen = sizeof(snl); - } - - buflen = recvmsg(udev_monitor->sock, &smsg, 0); - if (buflen < 0) { - if (errno != EINTR) - info(udev_monitor->udev, "unable to receive message\n"); - return NULL; - } - - if (buflen < 32 || (size_t)buflen >= sizeof(buf)) { - info(udev_monitor->udev, "invalid message length\n"); - return NULL; - } - - if (udev_monitor->snl.nl_family != 0) { - if (snl.nl_groups == 0) { - /* unicast message, check if we trust the sender */ - if (udev_monitor->snl_trusted_sender.nl_pid == 0 || - snl.nl_pid != udev_monitor->snl_trusted_sender.nl_pid) { - info(udev_monitor->udev, "unicast netlink message ignored\n"); - return NULL; - } - } else if (snl.nl_groups == UDEV_MONITOR_KERNEL) { - if (snl.nl_pid > 0) { - info(udev_monitor->udev, "multicast kernel netlink message from pid %d ignored\n", - snl.nl_pid); - return NULL; - } - } - } - - cmsg = CMSG_FIRSTHDR(&smsg); - if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) { - info(udev_monitor->udev, "no sender credentials received, message ignored\n"); - return NULL; - } - - cred = (struct ucred *)CMSG_DATA(cmsg); - if (cred->uid != 0) { - info(udev_monitor->udev, "sender uid=%d, message ignored\n", cred->uid); - return NULL; - } - - if (memcmp(buf, "libudev", 8) == 0) { - /* udev message needs proper version magic */ - nlh = (struct udev_monitor_netlink_header *) buf; - if (nlh->magic != htonl(UDEV_MONITOR_MAGIC)) { - err(udev_monitor->udev, "unrecognized message signature (%x != %x)\n", - nlh->magic, htonl(UDEV_MONITOR_MAGIC)); - return NULL; - } - if (nlh->properties_off+32 > buflen) - return NULL; - bufpos = nlh->properties_off; - } else { - /* kernel message with header */ - bufpos = strlen(buf) + 1; - if ((size_t)bufpos < sizeof("a@/d") || bufpos >= buflen) { - info(udev_monitor->udev, "invalid message length\n"); - return NULL; - } - - /* check message header */ - if (strstr(buf, "@/") == NULL) { - info(udev_monitor->udev, "unrecognized message header\n"); - return NULL; - } - } - - udev_device = udev_device_new(udev_monitor->udev); - if (udev_device == NULL) - return NULL; - udev_device_set_info_loaded(udev_device); - - while (bufpos < buflen) { - char *key; - size_t keylen; - - key = &buf[bufpos]; - keylen = strlen(key); - if (keylen == 0) - break; - bufpos += keylen + 1; - udev_device_add_property_from_string_parse(udev_device, key); - } - - if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) { - info(udev_monitor->udev, "missing values, invalid device\n"); - udev_device_unref(udev_device); - return NULL; - } - - /* skip device, if it does not pass the current filter */ - if (!passes_filter(udev_monitor, udev_device)) { - struct pollfd pfd[1]; - int rc; - - udev_device_unref(udev_device); - - /* if something is queued, get next device */ - pfd[0].fd = udev_monitor->sock; - pfd[0].events = POLLIN; - rc = poll(pfd, 1, 0); - if (rc > 0) - goto retry; - return NULL; - } - - return udev_device; + if (udev_monitor == NULL) + return NULL; + memset(buf, 0x00, sizeof(buf)); + iov.iov_base = &buf; + iov.iov_len = sizeof(buf); + memset (&smsg, 0x00, sizeof(struct msghdr)); + smsg.msg_iov = &iov; + smsg.msg_iovlen = 1; + smsg.msg_control = cred_msg; + smsg.msg_controllen = sizeof(cred_msg); + + if (udev_monitor->snl.nl_family != 0) { + smsg.msg_name = &snl; + smsg.msg_namelen = sizeof(snl); + } + + buflen = recvmsg(udev_monitor->sock, &smsg, 0); + if (buflen < 0) { + if (errno != EINTR) + info(udev_monitor->udev, "unable to receive message\n"); + return NULL; + } + + if (buflen < 32 || (size_t)buflen >= sizeof(buf)) { + info(udev_monitor->udev, "invalid message length\n"); + return NULL; + } + + if (udev_monitor->snl.nl_family != 0) { + if (snl.nl_groups == 0) { + /* unicast message, check if we trust the sender */ + if (udev_monitor->snl_trusted_sender.nl_pid == 0 || + snl.nl_pid != udev_monitor->snl_trusted_sender.nl_pid) { + info(udev_monitor->udev, "unicast netlink message ignored\n"); + return NULL; + } + } else if (snl.nl_groups == UDEV_MONITOR_KERNEL) { + if (snl.nl_pid > 0) { + info(udev_monitor->udev, "multicast kernel netlink message from pid %d ignored\n", + snl.nl_pid); + return NULL; + } + } + } + + cmsg = CMSG_FIRSTHDR(&smsg); + if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) { + info(udev_monitor->udev, "no sender credentials received, message ignored\n"); + return NULL; + } + + cred = (struct ucred *)CMSG_DATA(cmsg); + if (cred->uid != 0) { + info(udev_monitor->udev, "sender uid=%d, message ignored\n", cred->uid); + return NULL; + } + + if (memcmp(buf, "libudev", 8) == 0) { + /* udev message needs proper version magic */ + nlh = (struct udev_monitor_netlink_header *) buf; + if (nlh->magic != htonl(UDEV_MONITOR_MAGIC)) { + err(udev_monitor->udev, "unrecognized message signature (%x != %x)\n", + nlh->magic, htonl(UDEV_MONITOR_MAGIC)); + return NULL; + } + if (nlh->properties_off+32 > buflen) + return NULL; + bufpos = nlh->properties_off; + } else { + /* kernel message with header */ + bufpos = strlen(buf) + 1; + if ((size_t)bufpos < sizeof("a@/d") || bufpos >= buflen) { + info(udev_monitor->udev, "invalid message length\n"); + return NULL; + } + + /* check message header */ + if (strstr(buf, "@/") == NULL) { + info(udev_monitor->udev, "unrecognized message header\n"); + return NULL; + } + } + + udev_device = udev_device_new(udev_monitor->udev); + if (udev_device == NULL) + return NULL; + udev_device_set_info_loaded(udev_device); + + while (bufpos < buflen) { + char *key; + size_t keylen; + + key = &buf[bufpos]; + keylen = strlen(key); + if (keylen == 0) + break; + bufpos += keylen + 1; + udev_device_add_property_from_string_parse(udev_device, key); + } + + if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) { + info(udev_monitor->udev, "missing values, invalid device\n"); + udev_device_unref(udev_device); + return NULL; + } + + /* skip device, if it does not pass the current filter */ + if (!passes_filter(udev_monitor, udev_device)) { + struct pollfd pfd[1]; + int rc; + + udev_device_unref(udev_device); + + /* if something is queued, get next device */ + pfd[0].fd = udev_monitor->sock; + pfd[0].events = POLLIN; + rc = poll(pfd, 1, 0); + if (rc > 0) + goto retry; + return NULL; + } + + return udev_device; } int udev_monitor_send_device(struct udev_monitor *udev_monitor, - struct udev_monitor *destination, struct udev_device *udev_device) + struct udev_monitor *destination, struct udev_device *udev_device) { - const char *buf; - ssize_t blen; - ssize_t count; - - blen = udev_device_get_properties_monitor_buf(udev_device, &buf); - if (blen < 32) - return -EINVAL; - - if (udev_monitor->sun.sun_family != 0) { - struct msghdr smsg; - struct iovec iov[2]; - const char *action; - char header[2048]; - char *s; - - /* header @ */ - action = udev_device_get_action(udev_device); - if (action == NULL) - return -EINVAL; - s = header; - if (util_strpcpyl(&s, sizeof(header), action, "@", udev_device_get_devpath(udev_device), NULL) == 0) - return -EINVAL; - iov[0].iov_base = header; - iov[0].iov_len = (s - header)+1; - - /* add properties list */ - iov[1].iov_base = (char *)buf; - iov[1].iov_len = blen; - - memset(&smsg, 0x00, sizeof(struct msghdr)); - smsg.msg_iov = iov; - smsg.msg_iovlen = 2; - smsg.msg_name = &udev_monitor->sun; - smsg.msg_namelen = udev_monitor->addrlen; - count = sendmsg(udev_monitor->sock, &smsg, 0); - info(udev_monitor->udev, "passed %zi bytes to socket monitor %p\n", count, udev_monitor); - return count; - } - - if (udev_monitor->snl.nl_family != 0) { - struct msghdr smsg; - struct iovec iov[2]; - const char *val; - struct udev_monitor_netlink_header nlh; - struct udev_list_entry *list_entry; - uint64_t tag_bloom_bits; - - /* add versioned header */ - memset(&nlh, 0x00, sizeof(struct udev_monitor_netlink_header)); - memcpy(nlh.prefix, "libudev", 8); - nlh.magic = htonl(UDEV_MONITOR_MAGIC); - nlh.header_size = sizeof(struct udev_monitor_netlink_header); - val = udev_device_get_subsystem(udev_device); - nlh.filter_subsystem_hash = htonl(util_string_hash32(val)); - val = udev_device_get_devtype(udev_device); - if (val != NULL) - nlh.filter_devtype_hash = htonl(util_string_hash32(val)); - iov[0].iov_base = &nlh; - iov[0].iov_len = sizeof(struct udev_monitor_netlink_header); - - /* add tag bloom filter */ - tag_bloom_bits = 0; - udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) - tag_bloom_bits |= util_string_bloom64(udev_list_entry_get_name(list_entry)); - if (tag_bloom_bits > 0) { - nlh.filter_tag_bloom_hi = htonl(tag_bloom_bits >> 32); - nlh.filter_tag_bloom_lo = htonl(tag_bloom_bits & 0xffffffff); - } - - /* add properties list */ - nlh.properties_off = iov[0].iov_len; - nlh.properties_len = blen; - iov[1].iov_base = (char *)buf; - iov[1].iov_len = blen; - - memset(&smsg, 0x00, sizeof(struct msghdr)); - smsg.msg_iov = iov; - smsg.msg_iovlen = 2; - /* - * Use custom address for target, or the default one. - * - * If we send to a multicast group, we will get - * ECONNREFUSED, which is expected. - */ - if (destination != NULL) - smsg.msg_name = &destination->snl; - else - smsg.msg_name = &udev_monitor->snl_destination; - smsg.msg_namelen = sizeof(struct sockaddr_nl); - count = sendmsg(udev_monitor->sock, &smsg, 0); - info(udev_monitor->udev, "passed %zi bytes to netlink monitor %p\n", count, udev_monitor); - return count; - } - - return -EINVAL; + const char *buf; + ssize_t blen; + ssize_t count; + + blen = udev_device_get_properties_monitor_buf(udev_device, &buf); + if (blen < 32) + return -EINVAL; + + if (udev_monitor->sun.sun_family != 0) { + struct msghdr smsg; + struct iovec iov[2]; + const char *action; + char header[2048]; + char *s; + + /* header @ */ + action = udev_device_get_action(udev_device); + if (action == NULL) + return -EINVAL; + s = header; + if (util_strpcpyl(&s, sizeof(header), action, "@", udev_device_get_devpath(udev_device), NULL) == 0) + return -EINVAL; + iov[0].iov_base = header; + iov[0].iov_len = (s - header)+1; + + /* add properties list */ + iov[1].iov_base = (char *)buf; + iov[1].iov_len = blen; + + memset(&smsg, 0x00, sizeof(struct msghdr)); + smsg.msg_iov = iov; + smsg.msg_iovlen = 2; + smsg.msg_name = &udev_monitor->sun; + smsg.msg_namelen = udev_monitor->addrlen; + count = sendmsg(udev_monitor->sock, &smsg, 0); + info(udev_monitor->udev, "passed %zi bytes to socket monitor %p\n", count, udev_monitor); + return count; + } + + if (udev_monitor->snl.nl_family != 0) { + struct msghdr smsg; + struct iovec iov[2]; + const char *val; + struct udev_monitor_netlink_header nlh; + struct udev_list_entry *list_entry; + uint64_t tag_bloom_bits; + + /* add versioned header */ + memset(&nlh, 0x00, sizeof(struct udev_monitor_netlink_header)); + memcpy(nlh.prefix, "libudev", 8); + nlh.magic = htonl(UDEV_MONITOR_MAGIC); + nlh.header_size = sizeof(struct udev_monitor_netlink_header); + val = udev_device_get_subsystem(udev_device); + nlh.filter_subsystem_hash = htonl(util_string_hash32(val)); + val = udev_device_get_devtype(udev_device); + if (val != NULL) + nlh.filter_devtype_hash = htonl(util_string_hash32(val)); + iov[0].iov_base = &nlh; + iov[0].iov_len = sizeof(struct udev_monitor_netlink_header); + + /* add tag bloom filter */ + tag_bloom_bits = 0; + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) + tag_bloom_bits |= util_string_bloom64(udev_list_entry_get_name(list_entry)); + if (tag_bloom_bits > 0) { + nlh.filter_tag_bloom_hi = htonl(tag_bloom_bits >> 32); + nlh.filter_tag_bloom_lo = htonl(tag_bloom_bits & 0xffffffff); + } + + /* add properties list */ + nlh.properties_off = iov[0].iov_len; + nlh.properties_len = blen; + iov[1].iov_base = (char *)buf; + iov[1].iov_len = blen; + + memset(&smsg, 0x00, sizeof(struct msghdr)); + smsg.msg_iov = iov; + smsg.msg_iovlen = 2; + /* + * Use custom address for target, or the default one. + * + * If we send to a multicast group, we will get + * ECONNREFUSED, which is expected. + */ + if (destination != NULL) + smsg.msg_name = &destination->snl; + else + smsg.msg_name = &udev_monitor->snl_destination; + smsg.msg_namelen = sizeof(struct sockaddr_nl); + count = sendmsg(udev_monitor->sock, &smsg, 0); + info(udev_monitor->udev, "passed %zi bytes to netlink monitor %p\n", count, udev_monitor); + return count; + } + + return -EINVAL; } /** @@ -826,13 +826,13 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor, */ UDEV_EXPORT int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype) { - if (udev_monitor == NULL) - return -EINVAL; - if (subsystem == NULL) - return -EINVAL; - if (udev_list_entry_add(&udev_monitor->filter_subsystem_list, subsystem, devtype) == NULL) - return -ENOMEM; - return 0; + if (udev_monitor == NULL) + return -EINVAL; + if (subsystem == NULL) + return -EINVAL; + if (udev_list_entry_add(&udev_monitor->filter_subsystem_list, subsystem, devtype) == NULL) + return -ENOMEM; + return 0; } /** @@ -849,13 +849,13 @@ UDEV_EXPORT int udev_monitor_filter_add_match_subsystem_devtype(struct udev_moni */ UDEV_EXPORT int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag) { - if (udev_monitor == NULL) - return -EINVAL; - if (tag == NULL) - return -EINVAL; - if (udev_list_entry_add(&udev_monitor->filter_tag_list, tag, NULL) == NULL) - return -ENOMEM; - return 0; + if (udev_monitor == NULL) + return -EINVAL; + if (tag == NULL) + return -EINVAL; + if (udev_list_entry_add(&udev_monitor->filter_tag_list, tag, NULL) == NULL) + return -ENOMEM; + return 0; } /** @@ -868,8 +868,8 @@ UDEV_EXPORT int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_moni */ UDEV_EXPORT int udev_monitor_filter_remove(struct udev_monitor *udev_monitor) { - static struct sock_fprog filter = { 0, NULL }; + static struct sock_fprog filter = { 0, NULL }; - udev_list_cleanup(&udev_monitor->filter_subsystem_list); - return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)); + udev_list_cleanup(&udev_monitor->filter_subsystem_list); + return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)); } diff --git a/src/libudev-private.h b/src/libudev-private.h index 83976698a..5f5c64a63 100644 --- a/src/libudev-private.h +++ b/src/libudev-private.h @@ -19,8 +19,8 @@ #include "libudev.h" #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) -#define READ_END 0 -#define WRITE_END 1 +#define READ_END 0 +#define WRITE_END 1 static inline void __attribute__((always_inline, format(printf, 2, 3))) udev_log_null(struct udev *udev, const char *format, ...) {} @@ -49,19 +49,19 @@ udev_log_null(struct udev *udev, const char *format, ...) {} static inline void udev_log_init(const char *program_name) { - openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON); + openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON); } static inline void udev_log_close(void) { - closelog(); + closelog(); } /* libudev.c */ void udev_log(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, ...) - __attribute__((format(printf, 6, 7))); + int priority, const char *file, int line, const char *fn, + const char *format, ...) + __attribute__((format(printf, 6, 7))); int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *ts_usec[]); struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value); struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev); @@ -107,20 +107,20 @@ int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, int udev_monitor_disconnect(struct udev_monitor *udev_monitor); int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender); int udev_monitor_send_device(struct udev_monitor *udev_monitor, - struct udev_monitor *destination, struct udev_device *udev_device); + struct udev_monitor *destination, struct udev_device *udev_device); struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd); /* libudev-list.c */ struct udev_list_node { - struct udev_list_node *next, *prev; + struct udev_list_node *next, *prev; }; struct udev_list { - struct udev *udev; - struct udev_list_node node; - struct udev_list_entry **entries; - unsigned int entries_cur; - unsigned int entries_max; - bool unique; + struct udev *udev; + struct udev_list_node node; + struct udev_list_entry **entries; + unsigned int entries_cur; + unsigned int entries_max; + bool unique; }; #define UDEV_LIST(list) struct udev_list_node list = { &(list), &(list) } void udev_list_node_init(struct udev_list_node *list); @@ -128,13 +128,13 @@ int udev_list_node_is_empty(struct udev_list_node *list); void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list); void udev_list_node_remove(struct udev_list_node *entry); #define udev_list_node_foreach(node, list) \ - for (node = (list)->next; \ - node != list; \ - node = (node)->next) + for (node = (list)->next; \ + node != list; \ + node = (node)->next) #define udev_list_node_foreach_safe(node, tmp, list) \ - for (node = (list)->next, tmp = (node)->next; \ - node != list; \ - node = tmp, tmp = (tmp)->next) + for (node = (list)->next, tmp = (node)->next; \ + node != list; \ + node = tmp, tmp = (tmp)->next) void udev_list_init(struct udev *udev, struct udev_list *list, bool unique); void udev_list_cleanup(struct udev_list *list); struct udev_list_entry *udev_list_get_entry(struct udev_list *list); @@ -145,9 +145,9 @@ void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list) int udev_list_entry_get_num(struct udev_list_entry *list_entry); void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num); #define udev_list_entry_foreach_safe(entry, tmp, first) \ - for (entry = first, tmp = udev_list_entry_get_next(entry); \ - entry != NULL; \ - entry = tmp, tmp = udev_list_entry_get_next(tmp)) + for (entry = first, tmp = udev_list_entry_get_next(entry); \ + entry != NULL; \ + entry = tmp, tmp = udev_list_entry_get_next(tmp)) /* libudev-queue.c */ unsigned long long int udev_get_kernel_seqnum(struct udev *udev); @@ -163,10 +163,10 @@ int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export, int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device); /* libudev-util.c */ -#define UTIL_PATH_SIZE 1024 -#define UTIL_NAME_SIZE 512 -#define UTIL_LINE_SIZE 16384 -#define UDEV_ALLOWED_CHARS_INPUT "/ $%?," +#define UTIL_PATH_SIZE 1024 +#define UTIL_NAME_SIZE 512 +#define UTIL_LINE_SIZE 16384 +#define UDEV_ALLOWED_CHARS_INPUT "/ $%?," ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size); int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size); int util_log_priority(const char *priority); @@ -189,7 +189,7 @@ int util_delete_path(struct udev *udev, const char *path); uid_t util_lookup_user(struct udev *udev, const char *user); gid_t util_lookup_group(struct udev *udev, const char *group); int util_resolve_subsys_kernel(struct udev *udev, const char *string, - char *result, size_t maxsize, int read_value); + char *result, size_t maxsize, int read_value); unsigned long long ts_usec(const struct timespec *ts); unsigned long long now_usec(void); diff --git a/src/libudev-queue-private.c b/src/libudev-queue-private.c index e0a7b53b8..71771950a 100644 --- a/src/libudev-queue-private.c +++ b/src/libudev-queue-private.c @@ -22,11 +22,11 @@ * with the same sequence number but a devpath len of 0. * * Example: - * { 0x0000000000000001 } - * { 0x0000000000000001, 0x0019, "/devices/virtual/mem/null" }, - * { 0x0000000000000002, 0x001b, "/devices/virtual/mem/random" }, - * { 0x0000000000000001, 0x0000 }, - * { 0x0000000000000003, 0x0019, "/devices/virtual/mem/zero" }, + * { 0x0000000000000001 } + * { 0x0000000000000001, 0x0019, "/devices/virtual/mem/null" }, + * { 0x0000000000000002, 0x001b, "/devices/virtual/mem/random" }, + * { 0x0000000000000001, 0x0000 }, + * { 0x0000000000000003, 0x0019, "/devices/virtual/mem/zero" }, * * Events 2 and 3 are still queued, but event 1 has finished. * @@ -55,83 +55,83 @@ static int rebuild_queue_file(struct udev_queue_export *udev_queue_export); struct udev_queue_export { - struct udev *udev; - int queued_count; /* number of unfinished events exported in queue file */ - FILE *queue_file; - unsigned long long int seqnum_max; /* earliest sequence number in queue file */ - unsigned long long int seqnum_min; /* latest sequence number in queue file */ - int waste_bytes; /* queue file bytes wasted on finished events */ + struct udev *udev; + int queued_count; /* number of unfinished events exported in queue file */ + FILE *queue_file; + unsigned long long int seqnum_max; /* earliest sequence number in queue file */ + unsigned long long int seqnum_min; /* latest sequence number in queue file */ + int waste_bytes; /* queue file bytes wasted on finished events */ }; struct udev_queue_export *udev_queue_export_new(struct udev *udev) { - struct udev_queue_export *udev_queue_export; - unsigned long long int initial_seqnum; + struct udev_queue_export *udev_queue_export; + unsigned long long int initial_seqnum; - if (udev == NULL) - return NULL; + if (udev == NULL) + return NULL; - udev_queue_export = calloc(1, sizeof(struct udev_queue_export)); - if (udev_queue_export == NULL) - return NULL; - udev_queue_export->udev = udev; + udev_queue_export = calloc(1, sizeof(struct udev_queue_export)); + if (udev_queue_export == NULL) + return NULL; + udev_queue_export->udev = udev; - initial_seqnum = udev_get_kernel_seqnum(udev); - udev_queue_export->seqnum_min = initial_seqnum; - udev_queue_export->seqnum_max = initial_seqnum; + initial_seqnum = udev_get_kernel_seqnum(udev); + udev_queue_export->seqnum_min = initial_seqnum; + udev_queue_export->seqnum_max = initial_seqnum; - udev_queue_export_cleanup(udev_queue_export); - if (rebuild_queue_file(udev_queue_export) != 0) { - free(udev_queue_export); - return NULL; - } + udev_queue_export_cleanup(udev_queue_export); + if (rebuild_queue_file(udev_queue_export) != 0) { + free(udev_queue_export); + return NULL; + } - return udev_queue_export; + return udev_queue_export; } struct udev_queue_export *udev_queue_export_unref(struct udev_queue_export *udev_queue_export) { - if (udev_queue_export == NULL) - return NULL; - if (udev_queue_export->queue_file != NULL) - fclose(udev_queue_export->queue_file); - free(udev_queue_export); - return NULL; + if (udev_queue_export == NULL) + return NULL; + if (udev_queue_export->queue_file != NULL) + fclose(udev_queue_export->queue_file); + free(udev_queue_export); + return NULL; } void udev_queue_export_cleanup(struct udev_queue_export *udev_queue_export) { - char filename[UTIL_PATH_SIZE]; - - if (udev_queue_export == NULL) - return; - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL); - unlink(filename); - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL); - unlink(filename); + char filename[UTIL_PATH_SIZE]; + + if (udev_queue_export == NULL) + return; + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL); + unlink(filename); + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL); + unlink(filename); } static int skip_to(FILE *file, long offset) { - long old_offset; + long old_offset; - /* fseek may drop buffered data, avoid it for small seeks */ - old_offset = ftell(file); - if (offset > old_offset && offset - old_offset <= BUFSIZ) { - size_t skip_bytes = offset - old_offset; - char buf[skip_bytes]; + /* fseek may drop buffered data, avoid it for small seeks */ + old_offset = ftell(file); + if (offset > old_offset && offset - old_offset <= BUFSIZ) { + size_t skip_bytes = offset - old_offset; + char buf[skip_bytes]; - if (fread(buf, skip_bytes, 1, file) != skip_bytes) - return -1; - } + if (fread(buf, skip_bytes, 1, file) != skip_bytes) + return -1; + } - return fseek(file, offset, SEEK_SET); + return fseek(file, offset, SEEK_SET); } struct queue_devpaths { - unsigned int devpaths_first; /* index of first queued event */ - unsigned int devpaths_size; - long devpaths[]; /* seqnum -> offset of devpath in queue file (or 0) */ + unsigned int devpaths_first; /* index of first queued event */ + unsigned int devpaths_size; + long devpaths[]; /* seqnum -> offset of devpath in queue file (or 0) */ }; /* @@ -140,273 +140,273 @@ struct queue_devpaths { */ static struct queue_devpaths *build_index(struct udev_queue_export *udev_queue_export) { - struct queue_devpaths *devpaths; - unsigned long long int range; - long devpath_offset; - ssize_t devpath_len; - unsigned long long int seqnum; - unsigned long long int n; - unsigned int i; - - /* seek to the first event in the file */ - rewind(udev_queue_export->queue_file); - udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum); - - /* allocate the table */ - range = udev_queue_export->seqnum_min - udev_queue_export->seqnum_max; - if (range - 1 > INT_MAX) { - err(udev_queue_export->udev, "queue file overflow\n"); - return NULL; - } - devpaths = calloc(1, sizeof(struct queue_devpaths) + (range + 1) * sizeof(long)); - if (devpaths == NULL) - return NULL; - devpaths->devpaths_size = range + 1; - - /* read all records and populate the table */ - for (;;) { - if (udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum) < 0) - break; - n = seqnum - udev_queue_export->seqnum_max; - if (n >= devpaths->devpaths_size) - goto read_error; - - devpath_offset = ftell(udev_queue_export->queue_file); - devpath_len = udev_queue_skip_devpath(udev_queue_export->queue_file); - if (devpath_len < 0) - goto read_error; - - if (devpath_len > 0) - devpaths->devpaths[n] = devpath_offset; - else - devpaths->devpaths[n] = 0; - } - - /* find first queued event */ - for (i = 0; i < devpaths->devpaths_size; i++) { - if (devpaths->devpaths[i] != 0) - break; - } - devpaths->devpaths_first = i; - - return devpaths; + struct queue_devpaths *devpaths; + unsigned long long int range; + long devpath_offset; + ssize_t devpath_len; + unsigned long long int seqnum; + unsigned long long int n; + unsigned int i; + + /* seek to the first event in the file */ + rewind(udev_queue_export->queue_file); + udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum); + + /* allocate the table */ + range = udev_queue_export->seqnum_min - udev_queue_export->seqnum_max; + if (range - 1 > INT_MAX) { + err(udev_queue_export->udev, "queue file overflow\n"); + return NULL; + } + devpaths = calloc(1, sizeof(struct queue_devpaths) + (range + 1) * sizeof(long)); + if (devpaths == NULL) + return NULL; + devpaths->devpaths_size = range + 1; + + /* read all records and populate the table */ + for (;;) { + if (udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum) < 0) + break; + n = seqnum - udev_queue_export->seqnum_max; + if (n >= devpaths->devpaths_size) + goto read_error; + + devpath_offset = ftell(udev_queue_export->queue_file); + devpath_len = udev_queue_skip_devpath(udev_queue_export->queue_file); + if (devpath_len < 0) + goto read_error; + + if (devpath_len > 0) + devpaths->devpaths[n] = devpath_offset; + else + devpaths->devpaths[n] = 0; + } + + /* find first queued event */ + for (i = 0; i < devpaths->devpaths_size; i++) { + if (devpaths->devpaths[i] != 0) + break; + } + devpaths->devpaths_first = i; + + return devpaths; read_error: - err(udev_queue_export->udev, "queue file corrupted\n"); - free(devpaths); - return NULL; + err(udev_queue_export->udev, "queue file corrupted\n"); + free(devpaths); + return NULL; } static int rebuild_queue_file(struct udev_queue_export *udev_queue_export) { - unsigned long long int seqnum; - struct queue_devpaths *devpaths = NULL; - char filename[UTIL_PATH_SIZE]; - char filename_tmp[UTIL_PATH_SIZE]; - FILE *new_queue_file = NULL; - unsigned int i; - - /* read old queue file */ - if (udev_queue_export->queue_file != NULL) { - dbg(udev_queue_export->udev, "compacting queue file, freeing %d bytes\n", - udev_queue_export->waste_bytes); - - devpaths = build_index(udev_queue_export); - if (devpaths != NULL) - udev_queue_export->seqnum_max += devpaths->devpaths_first; - } - if (devpaths == NULL) { - dbg(udev_queue_export->udev, "creating empty queue file\n"); - udev_queue_export->queued_count = 0; - udev_queue_export->seqnum_max = udev_queue_export->seqnum_min; - } - - /* create new queue file */ - util_strscpyl(filename_tmp, sizeof(filename_tmp), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL); - new_queue_file = fopen(filename_tmp, "w+"); - if (new_queue_file == NULL) - goto error; - seqnum = udev_queue_export->seqnum_max; - fwrite(&seqnum, 1, sizeof(unsigned long long int), new_queue_file); - - /* copy unfinished events only to the new file */ - if (devpaths != NULL) { - for (i = devpaths->devpaths_first; i < devpaths->devpaths_size; i++) { - char devpath[UTIL_PATH_SIZE]; - int err; - unsigned short devpath_len; - - if (devpaths->devpaths[i] != 0) - { - skip_to(udev_queue_export->queue_file, devpaths->devpaths[i]); - err = udev_queue_read_devpath(udev_queue_export->queue_file, devpath, sizeof(devpath)); - devpath_len = err; - - fwrite(&seqnum, sizeof(unsigned long long int), 1, new_queue_file); - fwrite(&devpath_len, sizeof(unsigned short), 1, new_queue_file); - fwrite(devpath, 1, devpath_len, new_queue_file); - } - seqnum++; - } - free(devpaths); - devpaths = NULL; - } - fflush(new_queue_file); - if (ferror(new_queue_file)) - goto error; - - /* rename the new file on top of the old one */ - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL); - if (rename(filename_tmp, filename) != 0) - goto error; - - if (udev_queue_export->queue_file != NULL) - fclose(udev_queue_export->queue_file); - udev_queue_export->queue_file = new_queue_file; - udev_queue_export->waste_bytes = 0; - - return 0; + unsigned long long int seqnum; + struct queue_devpaths *devpaths = NULL; + char filename[UTIL_PATH_SIZE]; + char filename_tmp[UTIL_PATH_SIZE]; + FILE *new_queue_file = NULL; + unsigned int i; + + /* read old queue file */ + if (udev_queue_export->queue_file != NULL) { + dbg(udev_queue_export->udev, "compacting queue file, freeing %d bytes\n", + udev_queue_export->waste_bytes); + + devpaths = build_index(udev_queue_export); + if (devpaths != NULL) + udev_queue_export->seqnum_max += devpaths->devpaths_first; + } + if (devpaths == NULL) { + dbg(udev_queue_export->udev, "creating empty queue file\n"); + udev_queue_export->queued_count = 0; + udev_queue_export->seqnum_max = udev_queue_export->seqnum_min; + } + + /* create new queue file */ + util_strscpyl(filename_tmp, sizeof(filename_tmp), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL); + new_queue_file = fopen(filename_tmp, "w+"); + if (new_queue_file == NULL) + goto error; + seqnum = udev_queue_export->seqnum_max; + fwrite(&seqnum, 1, sizeof(unsigned long long int), new_queue_file); + + /* copy unfinished events only to the new file */ + if (devpaths != NULL) { + for (i = devpaths->devpaths_first; i < devpaths->devpaths_size; i++) { + char devpath[UTIL_PATH_SIZE]; + int err; + unsigned short devpath_len; + + if (devpaths->devpaths[i] != 0) + { + skip_to(udev_queue_export->queue_file, devpaths->devpaths[i]); + err = udev_queue_read_devpath(udev_queue_export->queue_file, devpath, sizeof(devpath)); + devpath_len = err; + + fwrite(&seqnum, sizeof(unsigned long long int), 1, new_queue_file); + fwrite(&devpath_len, sizeof(unsigned short), 1, new_queue_file); + fwrite(devpath, 1, devpath_len, new_queue_file); + } + seqnum++; + } + free(devpaths); + devpaths = NULL; + } + fflush(new_queue_file); + if (ferror(new_queue_file)) + goto error; + + /* rename the new file on top of the old one */ + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL); + if (rename(filename_tmp, filename) != 0) + goto error; + + if (udev_queue_export->queue_file != NULL) + fclose(udev_queue_export->queue_file); + udev_queue_export->queue_file = new_queue_file; + udev_queue_export->waste_bytes = 0; + + return 0; error: - err(udev_queue_export->udev, "failed to create queue file: %m\n"); - udev_queue_export_cleanup(udev_queue_export); - - if (udev_queue_export->queue_file != NULL) { - fclose(udev_queue_export->queue_file); - udev_queue_export->queue_file = NULL; - } - if (new_queue_file != NULL) - fclose(new_queue_file); - - if (devpaths != NULL) - free(devpaths); - udev_queue_export->queued_count = 0; - udev_queue_export->waste_bytes = 0; - udev_queue_export->seqnum_max = udev_queue_export->seqnum_min; - - return -1; + err(udev_queue_export->udev, "failed to create queue file: %m\n"); + udev_queue_export_cleanup(udev_queue_export); + + if (udev_queue_export->queue_file != NULL) { + fclose(udev_queue_export->queue_file); + udev_queue_export->queue_file = NULL; + } + if (new_queue_file != NULL) + fclose(new_queue_file); + + if (devpaths != NULL) + free(devpaths); + udev_queue_export->queued_count = 0; + udev_queue_export->waste_bytes = 0; + udev_queue_export->seqnum_max = udev_queue_export->seqnum_min; + + return -1; } static int write_queue_record(struct udev_queue_export *udev_queue_export, - unsigned long long int seqnum, const char *devpath, size_t devpath_len) + unsigned long long int seqnum, const char *devpath, size_t devpath_len) { - unsigned short len; + unsigned short len; - if (udev_queue_export->queue_file == NULL) { - dbg(udev_queue_export->udev, "can't record event: queue file not available\n"); - return -1; - } + if (udev_queue_export->queue_file == NULL) { + dbg(udev_queue_export->udev, "can't record event: queue file not available\n"); + return -1; + } - if (fwrite(&seqnum, sizeof(unsigned long long int), 1, udev_queue_export->queue_file) != 1) - goto write_error; + if (fwrite(&seqnum, sizeof(unsigned long long int), 1, udev_queue_export->queue_file) != 1) + goto write_error; - len = (devpath_len < USHRT_MAX) ? devpath_len : USHRT_MAX; - if (fwrite(&len, sizeof(unsigned short), 1, udev_queue_export->queue_file) != 1) - goto write_error; - if (len > 0) { - if (fwrite(devpath, 1, len, udev_queue_export->queue_file) != len) - goto write_error; - } + len = (devpath_len < USHRT_MAX) ? devpath_len : USHRT_MAX; + if (fwrite(&len, sizeof(unsigned short), 1, udev_queue_export->queue_file) != 1) + goto write_error; + if (len > 0) { + if (fwrite(devpath, 1, len, udev_queue_export->queue_file) != len) + goto write_error; + } - /* *must* flush output; caller may fork */ - if (fflush(udev_queue_export->queue_file) != 0) - goto write_error; + /* *must* flush output; caller may fork */ + if (fflush(udev_queue_export->queue_file) != 0) + goto write_error; - return 0; + return 0; write_error: - /* if we failed half way through writing a record to a file, - we should not try to write any further records to it. */ - err(udev_queue_export->udev, "error writing to queue file: %m\n"); - fclose(udev_queue_export->queue_file); - udev_queue_export->queue_file = NULL; + /* if we failed half way through writing a record to a file, + we should not try to write any further records to it. */ + err(udev_queue_export->udev, "error writing to queue file: %m\n"); + fclose(udev_queue_export->queue_file); + udev_queue_export->queue_file = NULL; - return -1; + return -1; } enum device_state { - DEVICE_QUEUED, - DEVICE_FINISHED, + DEVICE_QUEUED, + DEVICE_FINISHED, }; static inline size_t queue_record_size(size_t devpath_len) { - return sizeof(unsigned long long int) + sizeof(unsigned short int) + devpath_len; + return sizeof(unsigned long long int) + sizeof(unsigned short int) + devpath_len; } static int update_queue(struct udev_queue_export *udev_queue_export, - struct udev_device *udev_device, enum device_state state) + struct udev_device *udev_device, enum device_state state) { - unsigned long long int seqnum = udev_device_get_seqnum(udev_device); - const char *devpath = NULL; - size_t devpath_len = 0; - int bytes; - int err; - - /* FINISHED records have a zero length devpath */ - if (state == DEVICE_QUEUED) { - devpath = udev_device_get_devpath(udev_device); - devpath_len = strlen(devpath); - } - - /* recover from an earlier failed rebuild */ - if (udev_queue_export->queue_file == NULL) { - if (rebuild_queue_file(udev_queue_export) != 0) - return -1; - } - - /* if we're removing the last event from the queue, that's the best time to rebuild it */ - if (state != DEVICE_QUEUED && udev_queue_export->queued_count == 1) { - /* we don't need to read the old queue file */ - fclose(udev_queue_export->queue_file); - udev_queue_export->queue_file = NULL; - rebuild_queue_file(udev_queue_export); - return 0; - } - - /* try to rebuild the queue files before they grow larger than one page. */ - bytes = ftell(udev_queue_export->queue_file) + queue_record_size(devpath_len); - if ((udev_queue_export->waste_bytes > bytes / 2) && bytes > 4096) - rebuild_queue_file(udev_queue_export); - - /* don't record a finished event, if we already dropped the event in a failed rebuild */ - if (seqnum < udev_queue_export->seqnum_max) - return 0; - - /* now write to the queue */ - if (state == DEVICE_QUEUED) { - udev_queue_export->queued_count++; - udev_queue_export->seqnum_min = seqnum; - } else { - udev_queue_export->waste_bytes += queue_record_size(devpath_len) + queue_record_size(0); - udev_queue_export->queued_count--; - } - err = write_queue_record(udev_queue_export, seqnum, devpath, devpath_len); - - /* try to handle ENOSPC */ - if (err != 0 && udev_queue_export->queued_count == 0) { - udev_queue_export_cleanup(udev_queue_export); - err = rebuild_queue_file(udev_queue_export); - } - - return err; + unsigned long long int seqnum = udev_device_get_seqnum(udev_device); + const char *devpath = NULL; + size_t devpath_len = 0; + int bytes; + int err; + + /* FINISHED records have a zero length devpath */ + if (state == DEVICE_QUEUED) { + devpath = udev_device_get_devpath(udev_device); + devpath_len = strlen(devpath); + } + + /* recover from an earlier failed rebuild */ + if (udev_queue_export->queue_file == NULL) { + if (rebuild_queue_file(udev_queue_export) != 0) + return -1; + } + + /* if we're removing the last event from the queue, that's the best time to rebuild it */ + if (state != DEVICE_QUEUED && udev_queue_export->queued_count == 1) { + /* we don't need to read the old queue file */ + fclose(udev_queue_export->queue_file); + udev_queue_export->queue_file = NULL; + rebuild_queue_file(udev_queue_export); + return 0; + } + + /* try to rebuild the queue files before they grow larger than one page. */ + bytes = ftell(udev_queue_export->queue_file) + queue_record_size(devpath_len); + if ((udev_queue_export->waste_bytes > bytes / 2) && bytes > 4096) + rebuild_queue_file(udev_queue_export); + + /* don't record a finished event, if we already dropped the event in a failed rebuild */ + if (seqnum < udev_queue_export->seqnum_max) + return 0; + + /* now write to the queue */ + if (state == DEVICE_QUEUED) { + udev_queue_export->queued_count++; + udev_queue_export->seqnum_min = seqnum; + } else { + udev_queue_export->waste_bytes += queue_record_size(devpath_len) + queue_record_size(0); + udev_queue_export->queued_count--; + } + err = write_queue_record(udev_queue_export, seqnum, devpath, devpath_len); + + /* try to handle ENOSPC */ + if (err != 0 && udev_queue_export->queued_count == 0) { + udev_queue_export_cleanup(udev_queue_export); + err = rebuild_queue_file(udev_queue_export); + } + + return err; } static int update(struct udev_queue_export *udev_queue_export, - struct udev_device *udev_device, enum device_state state) + struct udev_device *udev_device, enum device_state state) { - if (update_queue(udev_queue_export, udev_device, state) != 0) - return -1; + if (update_queue(udev_queue_export, udev_device, state) != 0) + return -1; - return 0; + return 0; } int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device) { - return update(udev_queue_export, udev_device, DEVICE_QUEUED); + return update(udev_queue_export, udev_device, DEVICE_QUEUED); } int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device) { - return update(udev_queue_export, udev_device, DEVICE_FINISHED); + return update(udev_queue_export, udev_device, DEVICE_FINISHED); } diff --git a/src/libudev-queue.c b/src/libudev-queue.c index 3d46b67d1..7a4b563cf 100644 --- a/src/libudev-queue.c +++ b/src/libudev-queue.c @@ -40,9 +40,9 @@ * Opaque object representing the current event queue in the udev daemon. */ struct udev_queue { - struct udev *udev; - int refcount; - struct udev_list queue_list; + struct udev *udev; + int refcount; + struct udev_list queue_list; }; /** @@ -56,18 +56,18 @@ struct udev_queue { **/ UDEV_EXPORT struct udev_queue *udev_queue_new(struct udev *udev) { - struct udev_queue *udev_queue; - - if (udev == NULL) - return NULL; - - udev_queue = calloc(1, sizeof(struct udev_queue)); - if (udev_queue == NULL) - return NULL; - udev_queue->refcount = 1; - udev_queue->udev = udev; - udev_list_init(udev, &udev_queue->queue_list, false); - return udev_queue; + struct udev_queue *udev_queue; + + if (udev == NULL) + return NULL; + + udev_queue = calloc(1, sizeof(struct udev_queue)); + if (udev_queue == NULL) + return NULL; + udev_queue->refcount = 1; + udev_queue->udev = udev; + udev_list_init(udev, &udev_queue->queue_list, false); + return udev_queue; } /** @@ -80,10 +80,10 @@ UDEV_EXPORT struct udev_queue *udev_queue_new(struct udev *udev) **/ UDEV_EXPORT struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue) { - if (udev_queue == NULL) - return NULL; - udev_queue->refcount++; - return udev_queue; + if (udev_queue == NULL) + return NULL; + udev_queue->refcount++; + return udev_queue; } /** @@ -95,13 +95,13 @@ UDEV_EXPORT struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue) **/ UDEV_EXPORT void udev_queue_unref(struct udev_queue *udev_queue) { - if (udev_queue == NULL) - return; - udev_queue->refcount--; - if (udev_queue->refcount > 0) - return; - udev_list_cleanup(&udev_queue->queue_list); - free(udev_queue); + if (udev_queue == NULL) + return; + udev_queue->refcount--; + if (udev_queue->refcount > 0) + return; + udev_list_cleanup(&udev_queue->queue_list); + free(udev_queue); } /** @@ -114,30 +114,30 @@ UDEV_EXPORT void udev_queue_unref(struct udev_queue *udev_queue) **/ UDEV_EXPORT struct udev *udev_queue_get_udev(struct udev_queue *udev_queue) { - if (udev_queue == NULL) - return NULL; - return udev_queue->udev; + if (udev_queue == NULL) + return NULL; + return udev_queue->udev; } unsigned long long int udev_get_kernel_seqnum(struct udev *udev) { - char filename[UTIL_PATH_SIZE]; - unsigned long long int seqnum; - int fd; - char buf[32]; - ssize_t len; - - util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/kernel/uevent_seqnum", NULL); - fd = open(filename, O_RDONLY|O_CLOEXEC); - if (fd < 0) - return 0; - len = read(fd, buf, sizeof(buf)); - close(fd); - if (len <= 2) - return 0; - buf[len-1] = '\0'; - seqnum = strtoull(buf, NULL, 10); - return seqnum; + char filename[UTIL_PATH_SIZE]; + unsigned long long int seqnum; + int fd; + char buf[32]; + ssize_t len; + + util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/kernel/uevent_seqnum", NULL); + fd = open(filename, O_RDONLY|O_CLOEXEC); + if (fd < 0) + return 0; + len = read(fd, buf, sizeof(buf)); + close(fd); + if (len <= 2) + return 0; + buf[len-1] = '\0'; + seqnum = strtoull(buf, NULL, 10); + return seqnum; } /** @@ -148,81 +148,81 @@ unsigned long long int udev_get_kernel_seqnum(struct udev *udev) **/ UDEV_EXPORT unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue) { - unsigned long long int seqnum; + unsigned long long int seqnum; - if (udev_queue == NULL) - return -EINVAL; + if (udev_queue == NULL) + return -EINVAL; - seqnum = udev_get_kernel_seqnum(udev_queue->udev); - dbg(udev_queue->udev, "seqnum=%llu\n", seqnum); - return seqnum; + seqnum = udev_get_kernel_seqnum(udev_queue->udev); + dbg(udev_queue->udev, "seqnum=%llu\n", seqnum); + return seqnum; } int udev_queue_read_seqnum(FILE *queue_file, unsigned long long int *seqnum) { - if (fread(seqnum, sizeof(unsigned long long int), 1, queue_file) != 1) - return -1; + if (fread(seqnum, sizeof(unsigned long long int), 1, queue_file) != 1) + return -1; - return 0; + return 0; } ssize_t udev_queue_skip_devpath(FILE *queue_file) { - unsigned short int len; + unsigned short int len; - if (fread(&len, sizeof(unsigned short int), 1, queue_file) == 1) { - char devpath[len]; + if (fread(&len, sizeof(unsigned short int), 1, queue_file) == 1) { + char devpath[len]; - /* use fread to skip, fseek might drop buffered data */ - if (fread(devpath, 1, len, queue_file) == len) - return len; - } + /* use fread to skip, fseek might drop buffered data */ + if (fread(devpath, 1, len, queue_file) == len) + return len; + } - return -1; + return -1; } ssize_t udev_queue_read_devpath(FILE *queue_file, char *devpath, size_t size) { - unsigned short int read_bytes = 0; - unsigned short int len; + unsigned short int read_bytes = 0; + unsigned short int len; - if (fread(&len, sizeof(unsigned short int), 1, queue_file) != 1) - return -1; + if (fread(&len, sizeof(unsigned short int), 1, queue_file) != 1) + return -1; - read_bytes = (len < size - 1) ? len : size - 1; - if (fread(devpath, 1, read_bytes, queue_file) != read_bytes) - return -1; - devpath[read_bytes] = '\0'; + read_bytes = (len < size - 1) ? len : size - 1; + if (fread(devpath, 1, read_bytes, queue_file) != read_bytes) + return -1; + devpath[read_bytes] = '\0'; - /* if devpath was too long, skip unread characters */ - if (read_bytes != len) { - unsigned short int skip_bytes = len - read_bytes; - char buf[skip_bytes]; + /* if devpath was too long, skip unread characters */ + if (read_bytes != len) { + unsigned short int skip_bytes = len - read_bytes; + char buf[skip_bytes]; - if (fread(buf, 1, skip_bytes, queue_file) != skip_bytes) - return -1; - } + if (fread(buf, 1, skip_bytes, queue_file) != skip_bytes) + return -1; + } - return read_bytes; + return read_bytes; } static FILE *open_queue_file(struct udev_queue *udev_queue, unsigned long long int *seqnum_start) { - char filename[UTIL_PATH_SIZE]; - FILE *queue_file; + char filename[UTIL_PATH_SIZE]; + FILE *queue_file; - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue->udev), "/queue.bin", NULL); - queue_file = fopen(filename, "re"); - if (queue_file == NULL) - return NULL; + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue->udev), "/queue.bin", NULL); + queue_file = fopen(filename, "re"); + if (queue_file == NULL) + return NULL; - if (udev_queue_read_seqnum(queue_file, seqnum_start) < 0) { - err(udev_queue->udev, "corrupt queue file\n"); - fclose(queue_file); - return NULL; - } + if (udev_queue_read_seqnum(queue_file, seqnum_start) < 0) { + err(udev_queue->udev, "corrupt queue file\n"); + fclose(queue_file); + return NULL; + } - return queue_file; + return queue_file; } /** @@ -233,28 +233,28 @@ static FILE *open_queue_file(struct udev_queue *udev_queue, unsigned long long i **/ UDEV_EXPORT unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue) { - unsigned long long int seqnum_udev; - FILE *queue_file; - - queue_file = open_queue_file(udev_queue, &seqnum_udev); - if (queue_file == NULL) - return 0; - - for (;;) { - unsigned long long int seqnum; - ssize_t devpath_len; - - if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) - break; - devpath_len = udev_queue_skip_devpath(queue_file); - if (devpath_len < 0) - break; - if (devpath_len > 0) - seqnum_udev = seqnum; - } - - fclose(queue_file); - return seqnum_udev; + unsigned long long int seqnum_udev; + FILE *queue_file; + + queue_file = open_queue_file(udev_queue, &seqnum_udev); + if (queue_file == NULL) + return 0; + + for (;;) { + unsigned long long int seqnum; + ssize_t devpath_len; + + if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) + break; + devpath_len = udev_queue_skip_devpath(queue_file); + if (devpath_len < 0) + break; + if (devpath_len > 0) + seqnum_udev = seqnum; + } + + fclose(queue_file); + return seqnum_udev; } /** @@ -265,15 +265,15 @@ UDEV_EXPORT unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue **/ UDEV_EXPORT int udev_queue_get_udev_is_active(struct udev_queue *udev_queue) { - unsigned long long int seqnum_start; - FILE *queue_file; + unsigned long long int seqnum_start; + FILE *queue_file; - queue_file = open_queue_file(udev_queue, &seqnum_start); - if (queue_file == NULL) - return 0; + queue_file = open_queue_file(udev_queue, &seqnum_start); + if (queue_file == NULL) + return 0; - fclose(queue_file); - return 1; + fclose(queue_file); + return 1; } /** @@ -284,54 +284,54 @@ UDEV_EXPORT int udev_queue_get_udev_is_active(struct udev_queue *udev_queue) **/ UDEV_EXPORT int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue) { - unsigned long long int seqnum_kernel; - unsigned long long int seqnum_udev = 0; - int queued = 0; - int is_empty = 0; - FILE *queue_file; - - if (udev_queue == NULL) - return -EINVAL; - queue_file = open_queue_file(udev_queue, &seqnum_udev); - if (queue_file == NULL) - return 1; - - for (;;) { - unsigned long long int seqnum; - ssize_t devpath_len; - - if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) - break; - devpath_len = udev_queue_skip_devpath(queue_file); - if (devpath_len < 0) - break; - - if (devpath_len > 0) { - queued++; - seqnum_udev = seqnum; - } else { - queued--; - } - } - - if (queued > 0) { - dbg(udev_queue->udev, "queue is not empty\n"); - goto out; - } - - seqnum_kernel = udev_queue_get_kernel_seqnum(udev_queue); - if (seqnum_udev < seqnum_kernel) { - dbg(udev_queue->udev, "queue is empty but kernel events still pending [%llu]<->[%llu]\n", - seqnum_kernel, seqnum_udev); - goto out; - } - - dbg(udev_queue->udev, "queue is empty\n"); - is_empty = 1; + unsigned long long int seqnum_kernel; + unsigned long long int seqnum_udev = 0; + int queued = 0; + int is_empty = 0; + FILE *queue_file; + + if (udev_queue == NULL) + return -EINVAL; + queue_file = open_queue_file(udev_queue, &seqnum_udev); + if (queue_file == NULL) + return 1; + + for (;;) { + unsigned long long int seqnum; + ssize_t devpath_len; + + if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) + break; + devpath_len = udev_queue_skip_devpath(queue_file); + if (devpath_len < 0) + break; + + if (devpath_len > 0) { + queued++; + seqnum_udev = seqnum; + } else { + queued--; + } + } + + if (queued > 0) { + dbg(udev_queue->udev, "queue is not empty\n"); + goto out; + } + + seqnum_kernel = udev_queue_get_kernel_seqnum(udev_queue); + if (seqnum_udev < seqnum_kernel) { + dbg(udev_queue->udev, "queue is empty but kernel events still pending [%llu]<->[%llu]\n", + seqnum_kernel, seqnum_udev); + goto out; + } + + dbg(udev_queue->udev, "queue is empty\n"); + is_empty = 1; out: - fclose(queue_file); - return is_empty; + fclose(queue_file); + return is_empty; } /** @@ -343,58 +343,58 @@ out: * Returns: a flag indicating if any of the sequence numbers in the given range is currently active. **/ UDEV_EXPORT int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue, - unsigned long long int start, unsigned long long int end) + unsigned long long int start, unsigned long long int end) { - unsigned long long int seqnum; - ssize_t devpath_len; - int unfinished; - FILE *queue_file; - - if (udev_queue == NULL) - return -EINVAL; - queue_file = open_queue_file(udev_queue, &seqnum); - if (queue_file == NULL) - return 1; - if (start < seqnum) - start = seqnum; - if (start > end) { - fclose(queue_file); - return 1; - } - if (end - start > INT_MAX - 1) { - fclose(queue_file); - return -EOVERFLOW; - } - - /* - * we might start with 0, and handle the initial seqnum - * only when we find an entry in the queue file - **/ - unfinished = end - start; - - do { - if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) - break; - devpath_len = udev_queue_skip_devpath(queue_file); - if (devpath_len < 0) - break; - - /* - * we might start with an empty or re-build queue file, where - * the initial seqnum is not recorded as finished - */ - if (start == seqnum && devpath_len > 0) - unfinished++; - - if (devpath_len == 0) { - if (seqnum >= start && seqnum <= end) - unfinished--; - } - } while (unfinished > 0); - - fclose(queue_file); - - return (unfinished == 0); + unsigned long long int seqnum; + ssize_t devpath_len; + int unfinished; + FILE *queue_file; + + if (udev_queue == NULL) + return -EINVAL; + queue_file = open_queue_file(udev_queue, &seqnum); + if (queue_file == NULL) + return 1; + if (start < seqnum) + start = seqnum; + if (start > end) { + fclose(queue_file); + return 1; + } + if (end - start > INT_MAX - 1) { + fclose(queue_file); + return -EOVERFLOW; + } + + /* + * we might start with 0, and handle the initial seqnum + * only when we find an entry in the queue file + **/ + unfinished = end - start; + + do { + if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) + break; + devpath_len = udev_queue_skip_devpath(queue_file); + if (devpath_len < 0) + break; + + /* + * we might start with an empty or re-build queue file, where + * the initial seqnum is not recorded as finished + */ + if (start == seqnum && devpath_len > 0) + unfinished++; + + if (devpath_len == 0) { + if (seqnum >= start && seqnum <= end) + unfinished--; + } + } while (unfinished > 0); + + fclose(queue_file); + + return (unfinished == 0); } /** @@ -406,11 +406,11 @@ UDEV_EXPORT int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *ud **/ UDEV_EXPORT int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum) { - if (!udev_queue_get_seqnum_sequence_is_finished(udev_queue, seqnum, seqnum)) - return 0; + if (!udev_queue_get_seqnum_sequence_is_finished(udev_queue, seqnum, seqnum)) + return 0; - dbg(udev_queue->udev, "seqnum: %llu finished\n", seqnum); - return 1; + dbg(udev_queue->udev, "seqnum: %llu finished\n", seqnum); + return 1; } /** @@ -421,54 +421,54 @@ UDEV_EXPORT int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, **/ UDEV_EXPORT struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue) { - unsigned long long int seqnum; - FILE *queue_file; - - if (udev_queue == NULL) - return NULL; - udev_list_cleanup(&udev_queue->queue_list); - - queue_file = open_queue_file(udev_queue, &seqnum); - if (queue_file == NULL) - return NULL; - - for (;;) { - char syspath[UTIL_PATH_SIZE]; - char *s; - size_t l; - ssize_t len; - char seqnum_str[32]; - struct udev_list_entry *list_entry; - - if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) - break; - snprintf(seqnum_str, sizeof(seqnum_str), "%llu", seqnum); - - s = syspath; - l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL); - len = udev_queue_read_devpath(queue_file, s, l); - if (len < 0) - break; - - if (len > 0) { - udev_list_entry_add(&udev_queue->queue_list, syspath, seqnum_str); - } else { - udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_queue->queue_list)) { - if (strcmp(seqnum_str, udev_list_entry_get_value(list_entry)) == 0) { - udev_list_entry_delete(list_entry); - break; - } - } - } - } - fclose(queue_file); - - return udev_list_get_entry(&udev_queue->queue_list); + unsigned long long int seqnum; + FILE *queue_file; + + if (udev_queue == NULL) + return NULL; + udev_list_cleanup(&udev_queue->queue_list); + + queue_file = open_queue_file(udev_queue, &seqnum); + if (queue_file == NULL) + return NULL; + + for (;;) { + char syspath[UTIL_PATH_SIZE]; + char *s; + size_t l; + ssize_t len; + char seqnum_str[32]; + struct udev_list_entry *list_entry; + + if (udev_queue_read_seqnum(queue_file, &seqnum) < 0) + break; + snprintf(seqnum_str, sizeof(seqnum_str), "%llu", seqnum); + + s = syspath; + l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL); + len = udev_queue_read_devpath(queue_file, s, l); + if (len < 0) + break; + + if (len > 0) { + udev_list_entry_add(&udev_queue->queue_list, syspath, seqnum_str); + } else { + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_queue->queue_list)) { + if (strcmp(seqnum_str, udev_list_entry_get_value(list_entry)) == 0) { + udev_list_entry_delete(list_entry); + break; + } + } + } + } + fclose(queue_file); + + return udev_list_get_entry(&udev_queue->queue_list); } struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue); UDEV_EXPORT struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue) { - errno = ENOSYS; - return NULL; + errno = ENOSYS; + return NULL; } diff --git a/src/libudev-selinux-private.c b/src/libudev-selinux-private.c index cb06a280f..0f2a617b1 100644 --- a/src/libudev-selinux-private.c +++ b/src/libudev-selinux-private.c @@ -24,86 +24,86 @@ security_context_t selinux_prev_scontext; void udev_selinux_init(struct udev *udev) { - /* record the present security context */ - selinux_enabled = (is_selinux_enabled() > 0); - info(udev, "selinux=%i\n", selinux_enabled); - if (!selinux_enabled) - return; - matchpathcon_init_prefix(NULL, udev_get_dev_path(udev)); - if (getfscreatecon(&selinux_prev_scontext) < 0) { - err(udev, "getfscreatecon failed\n"); - selinux_prev_scontext = NULL; - } + /* record the present security context */ + selinux_enabled = (is_selinux_enabled() > 0); + info(udev, "selinux=%i\n", selinux_enabled); + if (!selinux_enabled) + return; + matchpathcon_init_prefix(NULL, udev_get_dev_path(udev)); + if (getfscreatecon(&selinux_prev_scontext) < 0) { + err(udev, "getfscreatecon failed\n"); + selinux_prev_scontext = NULL; + } } void udev_selinux_exit(struct udev *udev) { - if (!selinux_enabled) - return; - freecon(selinux_prev_scontext); - selinux_prev_scontext = NULL; + if (!selinux_enabled) + return; + freecon(selinux_prev_scontext); + selinux_prev_scontext = NULL; } void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) { - security_context_t scontext = NULL; - - if (!selinux_enabled) - return; - if (matchpathcon(file, mode, &scontext) < 0) { - err(udev, "matchpathcon(%s) failed\n", file); - return; - } - if (lsetfilecon(file, scontext) < 0) - err(udev, "setfilecon %s failed: %m\n", file); - freecon(scontext); + security_context_t scontext = NULL; + + if (!selinux_enabled) + return; + if (matchpathcon(file, mode, &scontext) < 0) { + err(udev, "matchpathcon(%s) failed\n", file); + return; + } + if (lsetfilecon(file, scontext) < 0) + err(udev, "setfilecon %s failed: %m\n", file); + freecon(scontext); } void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) { - security_context_t scontext = NULL; - - if (!selinux_enabled) - return; - - if (matchpathcon(file, mode, &scontext) < 0) { - err(udev, "matchpathcon(%s) failed\n", file); - return; - } - if (setfscreatecon(scontext) < 0) - err(udev, "setfscreatecon %s failed: %m\n", file); - freecon(scontext); + security_context_t scontext = NULL; + + if (!selinux_enabled) + return; + + if (matchpathcon(file, mode, &scontext) < 0) { + err(udev, "matchpathcon(%s) failed\n", file); + return; + } + if (setfscreatecon(scontext) < 0) + err(udev, "setfscreatecon %s failed: %m\n", file); + freecon(scontext); } void udev_selinux_resetfscreatecon(struct udev *udev) { - if (!selinux_enabled) - return; - if (setfscreatecon(selinux_prev_scontext) < 0) - err(udev, "setfscreatecon failed: %m\n"); + if (!selinux_enabled) + return; + if (setfscreatecon(selinux_prev_scontext) < 0) + err(udev, "setfscreatecon failed: %m\n"); } void udev_selinux_setfscreateconat(struct udev *udev, int dfd, const char *file, unsigned int mode) { - char filename[UTIL_PATH_SIZE]; - - if (!selinux_enabled) - return; - - /* resolve relative filename */ - if (file[0] != '/') { - char procfd[UTIL_PATH_SIZE]; - char target[UTIL_PATH_SIZE]; - ssize_t len; - - snprintf(procfd, sizeof(procfd), "/proc/%u/fd/%u", getpid(), dfd); - len = readlink(procfd, target, sizeof(target)); - if (len <= 0 || len == sizeof(target)) - return; - target[len] = '\0'; - - util_strscpyl(filename, sizeof(filename), target, "/", file, NULL); - file = filename; - } - udev_selinux_setfscreatecon(udev, file, mode); + char filename[UTIL_PATH_SIZE]; + + if (!selinux_enabled) + return; + + /* resolve relative filename */ + if (file[0] != '/') { + char procfd[UTIL_PATH_SIZE]; + char target[UTIL_PATH_SIZE]; + ssize_t len; + + snprintf(procfd, sizeof(procfd), "/proc/%u/fd/%u", getpid(), dfd); + len = readlink(procfd, target, sizeof(target)); + if (len <= 0 || len == sizeof(target)) + return; + target[len] = '\0'; + + util_strscpyl(filename, sizeof(filename), target, "/", file, NULL); + file = filename; + } + udev_selinux_setfscreatecon(udev, file, mode); } diff --git a/src/libudev-util-private.c b/src/libudev-util-private.c index 015e6d586..08f0ba222 100644 --- a/src/libudev-util-private.c +++ b/src/libudev-util-private.c @@ -26,217 +26,217 @@ static int create_path(struct udev *udev, const char *path, bool selinux) { - char p[UTIL_PATH_SIZE]; - char *pos; - struct stat stats; - int err; - - util_strscpy(p, sizeof(p), path); - pos = strrchr(p, '/'); - if (pos == NULL) - return 0; - while (pos != p && pos[-1] == '/') - pos--; - if (pos == p) - return 0; - pos[0] = '\0'; - - dbg(udev, "stat '%s'\n", p); - if (stat(p, &stats) == 0) { - if ((stats.st_mode & S_IFMT) == S_IFDIR) - return 0; - else - return -ENOTDIR; - } - - err = util_create_path(udev, p); - if (err != 0) - return err; - - dbg(udev, "mkdir '%s'\n", p); - if (selinux) - udev_selinux_setfscreatecon(udev, p, S_IFDIR|0755); - err = mkdir(p, 0755); - if (err != 0) { - err = -errno; - if (err == -EEXIST && stat(p, &stats) == 0) { - if ((stats.st_mode & S_IFMT) == S_IFDIR) - err = 0; - else - err = -ENOTDIR; - } - } - if (selinux) - udev_selinux_resetfscreatecon(udev); - return err; + char p[UTIL_PATH_SIZE]; + char *pos; + struct stat stats; + int err; + + util_strscpy(p, sizeof(p), path); + pos = strrchr(p, '/'); + if (pos == NULL) + return 0; + while (pos != p && pos[-1] == '/') + pos--; + if (pos == p) + return 0; + pos[0] = '\0'; + + dbg(udev, "stat '%s'\n", p); + if (stat(p, &stats) == 0) { + if ((stats.st_mode & S_IFMT) == S_IFDIR) + return 0; + else + return -ENOTDIR; + } + + err = util_create_path(udev, p); + if (err != 0) + return err; + + dbg(udev, "mkdir '%s'\n", p); + if (selinux) + udev_selinux_setfscreatecon(udev, p, S_IFDIR|0755); + err = mkdir(p, 0755); + if (err != 0) { + err = -errno; + if (err == -EEXIST && stat(p, &stats) == 0) { + if ((stats.st_mode & S_IFMT) == S_IFDIR) + err = 0; + else + err = -ENOTDIR; + } + } + if (selinux) + udev_selinux_resetfscreatecon(udev); + return err; } int util_create_path(struct udev *udev, const char *path) { - return create_path(udev, path, false); + return create_path(udev, path, false); } int util_create_path_selinux(struct udev *udev, const char *path) { - return create_path(udev, path, true); + return create_path(udev, path, true); } int util_delete_path(struct udev *udev, const char *path) { - char p[UTIL_PATH_SIZE]; - char *pos; - int err = 0; - - if (path[0] == '/') - while(path[1] == '/') - path++; - util_strscpy(p, sizeof(p), path); - pos = strrchr(p, '/'); - if (pos == p || pos == NULL) - return 0; - - for (;;) { - *pos = '\0'; - pos = strrchr(p, '/'); - - /* don't remove the last one */ - if ((pos == p) || (pos == NULL)) - break; - - err = rmdir(p); - if (err < 0) { - if (errno == ENOENT) - err = 0; - break; - } - } - return err; + char p[UTIL_PATH_SIZE]; + char *pos; + int err = 0; + + if (path[0] == '/') + while(path[1] == '/') + path++; + util_strscpy(p, sizeof(p), path); + pos = strrchr(p, '/'); + if (pos == p || pos == NULL) + return 0; + + for (;;) { + *pos = '\0'; + pos = strrchr(p, '/'); + + /* don't remove the last one */ + if ((pos == p) || (pos == NULL)) + break; + + err = rmdir(p); + if (err < 0) { + if (errno == ENOENT) + err = 0; + break; + } + } + return err; } uid_t util_lookup_user(struct udev *udev, const char *user) { - char *endptr; - size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX); - char buf[buflen]; - struct passwd pwbuf; - struct passwd *pw; - uid_t uid; - - if (strcmp(user, "root") == 0) - return 0; - uid = strtoul(user, &endptr, 10); - if (endptr[0] == '\0') - return uid; - - errno = getpwnam_r(user, &pwbuf, buf, buflen, &pw); - if (pw != NULL) - return pw->pw_uid; - if (errno == 0 || errno == ENOENT || errno == ESRCH) - err(udev, "specified user '%s' unknown\n", user); - else - err(udev, "error resolving user '%s': %m\n", user); - return 0; + char *endptr; + size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX); + char buf[buflen]; + struct passwd pwbuf; + struct passwd *pw; + uid_t uid; + + if (strcmp(user, "root") == 0) + return 0; + uid = strtoul(user, &endptr, 10); + if (endptr[0] == '\0') + return uid; + + errno = getpwnam_r(user, &pwbuf, buf, buflen, &pw); + if (pw != NULL) + return pw->pw_uid; + if (errno == 0 || errno == ENOENT || errno == ESRCH) + err(udev, "specified user '%s' unknown\n", user); + else + err(udev, "error resolving user '%s': %m\n", user); + return 0; } gid_t util_lookup_group(struct udev *udev, const char *group) { - char *endptr; - size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX); - char *buf; - struct group grbuf; - struct group *gr; - gid_t gid = 0; - - if (strcmp(group, "root") == 0) - return 0; - gid = strtoul(group, &endptr, 10); - if (endptr[0] == '\0') - return gid; - buf = NULL; - gid = 0; - for (;;) { - char *newbuf; - - newbuf = realloc(buf, buflen); - if (!newbuf) - break; - buf = newbuf; - errno = getgrnam_r(group, &grbuf, buf, buflen, &gr); - if (gr != NULL) { - gid = gr->gr_gid; - } else if (errno == ERANGE) { - buflen *= 2; - continue; - } else if (errno == 0 || errno == ENOENT || errno == ESRCH) { - err(udev, "specified group '%s' unknown\n", group); - } else { - err(udev, "error resolving group '%s': %m\n", group); - } - break; - } - free(buf); - return gid; + char *endptr; + size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX); + char *buf; + struct group grbuf; + struct group *gr; + gid_t gid = 0; + + if (strcmp(group, "root") == 0) + return 0; + gid = strtoul(group, &endptr, 10); + if (endptr[0] == '\0') + return gid; + buf = NULL; + gid = 0; + for (;;) { + char *newbuf; + + newbuf = realloc(buf, buflen); + if (!newbuf) + break; + buf = newbuf; + errno = getgrnam_r(group, &grbuf, buf, buflen, &gr); + if (gr != NULL) { + gid = gr->gr_gid; + } else if (errno == ERANGE) { + buflen *= 2; + continue; + } else if (errno == 0 || errno == ENOENT || errno == ESRCH) { + err(udev, "specified group '%s' unknown\n", group); + } else { + err(udev, "error resolving group '%s': %m\n", group); + } + break; + } + free(buf); + return gid; } /* handle "[/]" format */ int util_resolve_subsys_kernel(struct udev *udev, const char *string, - char *result, size_t maxsize, int read_value) + char *result, size_t maxsize, int read_value) { - char temp[UTIL_PATH_SIZE]; - char *subsys; - char *sysname; - struct udev_device *dev; - char *attr; - - if (string[0] != '[') - return -1; - - util_strscpy(temp, sizeof(temp), string); - - subsys = &temp[1]; - - sysname = strchr(subsys, '/'); - if (sysname == NULL) - return -1; - sysname[0] = '\0'; - sysname = &sysname[1]; - - attr = strchr(sysname, ']'); - if (attr == NULL) - return -1; - attr[0] = '\0'; - attr = &attr[1]; - if (attr[0] == '/') - attr = &attr[1]; - if (attr[0] == '\0') - attr = NULL; - - if (read_value && attr == NULL) - return -1; - - dev = udev_device_new_from_subsystem_sysname(udev, subsys, sysname); - if (dev == NULL) - return -1; - - if (read_value) { - const char *val; - - val = udev_device_get_sysattr_value(dev, attr); - if (val != NULL) - util_strscpy(result, maxsize, val); - else - result[0] = '\0'; - info(udev, "value '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result); - } else { - size_t l; - char *s; - - s = result; - l = util_strpcpyl(&s, maxsize, udev_device_get_syspath(dev), NULL); - if (attr != NULL) - util_strpcpyl(&s, l, "/", attr, NULL); - info(udev, "path '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result); - } - udev_device_unref(dev); - return 0; + char temp[UTIL_PATH_SIZE]; + char *subsys; + char *sysname; + struct udev_device *dev; + char *attr; + + if (string[0] != '[') + return -1; + + util_strscpy(temp, sizeof(temp), string); + + subsys = &temp[1]; + + sysname = strchr(subsys, '/'); + if (sysname == NULL) + return -1; + sysname[0] = '\0'; + sysname = &sysname[1]; + + attr = strchr(sysname, ']'); + if (attr == NULL) + return -1; + attr[0] = '\0'; + attr = &attr[1]; + if (attr[0] == '/') + attr = &attr[1]; + if (attr[0] == '\0') + attr = NULL; + + if (read_value && attr == NULL) + return -1; + + dev = udev_device_new_from_subsystem_sysname(udev, subsys, sysname); + if (dev == NULL) + return -1; + + if (read_value) { + const char *val; + + val = udev_device_get_sysattr_value(dev, attr); + if (val != NULL) + util_strscpy(result, maxsize, val); + else + result[0] = '\0'; + info(udev, "value '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result); + } else { + size_t l; + char *s; + + s = result; + l = util_strpcpyl(&s, maxsize, udev_device_get_syspath(dev), NULL); + if (attr != NULL) + util_strpcpyl(&s, l, "/", attr, NULL); + info(udev, "path '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result); + } + udev_device_unref(dev); + return 0; } diff --git a/src/libudev-util.c b/src/libudev-util.c index 559aa06dc..a795329f7 100644 --- a/src/libudev-util.c +++ b/src/libudev-util.c @@ -31,131 +31,131 @@ ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size) { - char path[UTIL_PATH_SIZE]; - char target[UTIL_PATH_SIZE]; - ssize_t len; - const char *pos; - - util_strscpyl(path, sizeof(path), syspath, "/", slink, NULL); - len = readlink(path, target, sizeof(target)); - if (len <= 0 || len == (ssize_t)sizeof(target)) - return -1; - target[len] = '\0'; - pos = strrchr(target, '/'); - if (pos == NULL) - return -1; - pos = &pos[1]; - dbg(udev, "resolved link to: '%s'\n", pos); - return util_strscpy(value, size, pos); + char path[UTIL_PATH_SIZE]; + char target[UTIL_PATH_SIZE]; + ssize_t len; + const char *pos; + + util_strscpyl(path, sizeof(path), syspath, "/", slink, NULL); + len = readlink(path, target, sizeof(target)); + if (len <= 0 || len == (ssize_t)sizeof(target)) + return -1; + target[len] = '\0'; + pos = strrchr(target, '/'); + if (pos == NULL) + return -1; + pos = &pos[1]; + dbg(udev, "resolved link to: '%s'\n", pos); + return util_strscpy(value, size, pos); } int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size) { - char link_target[UTIL_PATH_SIZE]; - - ssize_t len; - int i; - int back; - char *base; - - len = readlink(syspath, link_target, sizeof(link_target)); - if (len <= 0 || len == (ssize_t)sizeof(link_target)) - return -1; - link_target[len] = '\0'; - dbg(udev, "path link '%s' points to '%s'\n", syspath, link_target); - - for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++) - ; - dbg(udev, "base '%s', tail '%s', back %i\n", syspath, &link_target[back * 3], back); - for (i = 0; i <= back; i++) { - base = strrchr(syspath, '/'); - if (base == NULL) - return -1; - base[0] = '\0'; - } - dbg(udev, "after moving back '%s'\n", syspath); - util_strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL); - return 0; + char link_target[UTIL_PATH_SIZE]; + + ssize_t len; + int i; + int back; + char *base; + + len = readlink(syspath, link_target, sizeof(link_target)); + if (len <= 0 || len == (ssize_t)sizeof(link_target)) + return -1; + link_target[len] = '\0'; + dbg(udev, "path link '%s' points to '%s'\n", syspath, link_target); + + for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++) + ; + dbg(udev, "base '%s', tail '%s', back %i\n", syspath, &link_target[back * 3], back); + for (i = 0; i <= back; i++) { + base = strrchr(syspath, '/'); + if (base == NULL) + return -1; + base[0] = '\0'; + } + dbg(udev, "after moving back '%s'\n", syspath); + util_strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL); + return 0; } int util_log_priority(const char *priority) { - char *endptr; - int prio; - - prio = strtol(priority, &endptr, 10); - if (endptr[0] == '\0' || isspace(endptr[0])) - return prio; - if (strncmp(priority, "err", 3) == 0) - return LOG_ERR; - if (strncmp(priority, "info", 4) == 0) - return LOG_INFO; - if (strncmp(priority, "debug", 5) == 0) - return LOG_DEBUG; - return 0; + char *endptr; + int prio; + + prio = strtol(priority, &endptr, 10); + if (endptr[0] == '\0' || isspace(endptr[0])) + return prio; + if (strncmp(priority, "err", 3) == 0) + return LOG_ERR; + if (strncmp(priority, "info", 4) == 0) + return LOG_INFO; + if (strncmp(priority, "debug", 5) == 0) + return LOG_DEBUG; + return 0; } size_t util_path_encode(const char *src, char *dest, size_t size) { - size_t i, j; - - for (i = 0, j = 0; src[i] != '\0'; i++) { - if (src[i] == '/') { - if (j+4 >= size) { - j = 0; - break; - } - memcpy(&dest[j], "\\x2f", 4); - j += 4; - } else if (src[i] == '\\') { - if (j+4 >= size) { - j = 0; - break; - } - memcpy(&dest[j], "\\x5c", 4); - j += 4; - } else { - if (j+1 >= size) { - j = 0; - break; - } - dest[j] = src[i]; - j++; - } - } - dest[j] = '\0'; - return j; + size_t i, j; + + for (i = 0, j = 0; src[i] != '\0'; i++) { + if (src[i] == '/') { + if (j+4 >= size) { + j = 0; + break; + } + memcpy(&dest[j], "\\x2f", 4); + j += 4; + } else if (src[i] == '\\') { + if (j+4 >= size) { + j = 0; + break; + } + memcpy(&dest[j], "\\x5c", 4); + j += 4; + } else { + if (j+1 >= size) { + j = 0; + break; + } + dest[j] = src[i]; + j++; + } + } + dest[j] = '\0'; + return j; } size_t util_path_decode(char *s) { - size_t i, j; - - for (i = 0, j = 0; s[i] != '\0'; j++) { - if (memcmp(&s[i], "\\x2f", 4) == 0) { - s[j] = '/'; - i += 4; - } else if (memcmp(&s[i], "\\x5c", 4) == 0) { - s[j] = '\\'; - i += 4; - } else { - s[j] = s[i]; - i++; - } - } - s[j] = '\0'; - return j; + size_t i, j; + + for (i = 0, j = 0; s[i] != '\0'; j++) { + if (memcmp(&s[i], "\\x2f", 4) == 0) { + s[j] = '/'; + i += 4; + } else if (memcmp(&s[i], "\\x5c", 4) == 0) { + s[j] = '\\'; + i += 4; + } else { + s[j] = s[i]; + i++; + } + } + s[j] = '\0'; + return j; } void util_remove_trailing_chars(char *path, char c) { - size_t len; + size_t len; - if (path == NULL) - return; - len = strlen(path); - while (len > 0 && path[len-1] == c) - path[--len] = '\0'; + if (path == NULL) + return; + len = strlen(path); + while (len > 0 && path[len-1] == c) + path[--len] = '\0'; } /* @@ -165,268 +165,268 @@ void util_remove_trailing_chars(char *path, char c) */ size_t util_strpcpy(char **dest, size_t size, const char *src) { - size_t len; - - len = strlen(src); - if (len >= size) { - if (size > 1) - *dest = mempcpy(*dest, src, size-1); - size = 0; - *dest[0] = '\0'; - } else { - if (len > 0) { - *dest = mempcpy(*dest, src, len); - size -= len; - } - *dest[0] = '\0'; - } - return size; + size_t len; + + len = strlen(src); + if (len >= size) { + if (size > 1) + *dest = mempcpy(*dest, src, size-1); + size = 0; + *dest[0] = '\0'; + } else { + if (len > 0) { + *dest = mempcpy(*dest, src, len); + size -= len; + } + *dest[0] = '\0'; + } + return size; } /* concatenates list of strings, moves dest forward */ size_t util_strpcpyl(char **dest, size_t size, const char *src, ...) { - va_list va; + va_list va; - va_start(va, src); - do { - size = util_strpcpy(dest, size, src); - src = va_arg(va, char *); - } while (src != NULL); - va_end(va); + va_start(va, src); + do { + size = util_strpcpy(dest, size, src); + src = va_arg(va, char *); + } while (src != NULL); + va_end(va); - return size; + return size; } /* copies string */ size_t util_strscpy(char *dest, size_t size, const char *src) { - char *s; + char *s; - s = dest; - return util_strpcpy(&s, size, src); + s = dest; + return util_strpcpy(&s, size, src); } /* concatenates list of strings */ size_t util_strscpyl(char *dest, size_t size, const char *src, ...) { - va_list va; - char *s; - - va_start(va, src); - s = dest; - do { - size = util_strpcpy(&s, size, src); - src = va_arg(va, char *); - } while (src != NULL); - va_end(va); - - return size; + va_list va; + char *s; + + va_start(va, src); + s = dest; + do { + size = util_strpcpy(&s, size, src); + src = va_arg(va, char *); + } while (src != NULL); + va_end(va); + + return size; } /* count of characters used to encode one unicode char */ static int utf8_encoded_expected_len(const char *str) { - unsigned char c = (unsigned char)str[0]; - - if (c < 0x80) - return 1; - if ((c & 0xe0) == 0xc0) - return 2; - if ((c & 0xf0) == 0xe0) - return 3; - if ((c & 0xf8) == 0xf0) - return 4; - if ((c & 0xfc) == 0xf8) - return 5; - if ((c & 0xfe) == 0xfc) - return 6; - return 0; + unsigned char c = (unsigned char)str[0]; + + if (c < 0x80) + return 1; + if ((c & 0xe0) == 0xc0) + return 2; + if ((c & 0xf0) == 0xe0) + return 3; + if ((c & 0xf8) == 0xf0) + return 4; + if ((c & 0xfc) == 0xf8) + return 5; + if ((c & 0xfe) == 0xfc) + return 6; + return 0; } /* decode one unicode char */ static int utf8_encoded_to_unichar(const char *str) { - int unichar; - int len; - int i; - - len = utf8_encoded_expected_len(str); - switch (len) { - case 1: - return (int)str[0]; - case 2: - unichar = str[0] & 0x1f; - break; - case 3: - unichar = (int)str[0] & 0x0f; - break; - case 4: - unichar = (int)str[0] & 0x07; - break; - case 5: - unichar = (int)str[0] & 0x03; - break; - case 6: - unichar = (int)str[0] & 0x01; - break; - default: - return -1; - } - - for (i = 1; i < len; i++) { - if (((int)str[i] & 0xc0) != 0x80) - return -1; - unichar <<= 6; - unichar |= (int)str[i] & 0x3f; - } - - return unichar; + int unichar; + int len; + int i; + + len = utf8_encoded_expected_len(str); + switch (len) { + case 1: + return (int)str[0]; + case 2: + unichar = str[0] & 0x1f; + break; + case 3: + unichar = (int)str[0] & 0x0f; + break; + case 4: + unichar = (int)str[0] & 0x07; + break; + case 5: + unichar = (int)str[0] & 0x03; + break; + case 6: + unichar = (int)str[0] & 0x01; + break; + default: + return -1; + } + + for (i = 1; i < len; i++) { + if (((int)str[i] & 0xc0) != 0x80) + return -1; + unichar <<= 6; + unichar |= (int)str[i] & 0x3f; + } + + return unichar; } /* expected size used to encode one unicode char */ static int utf8_unichar_to_encoded_len(int unichar) { - if (unichar < 0x80) - return 1; - if (unichar < 0x800) - return 2; - if (unichar < 0x10000) - return 3; - if (unichar < 0x200000) - return 4; - if (unichar < 0x4000000) - return 5; - return 6; + if (unichar < 0x80) + return 1; + if (unichar < 0x800) + return 2; + if (unichar < 0x10000) + return 3; + if (unichar < 0x200000) + return 4; + if (unichar < 0x4000000) + return 5; + return 6; } /* check if unicode char has a valid numeric range */ static int utf8_unichar_valid_range(int unichar) { - if (unichar > 0x10ffff) - return 0; - if ((unichar & 0xfffff800) == 0xd800) - return 0; - if ((unichar > 0xfdcf) && (unichar < 0xfdf0)) - return 0; - if ((unichar & 0xffff) == 0xffff) - return 0; - return 1; + if (unichar > 0x10ffff) + return 0; + if ((unichar & 0xfffff800) == 0xd800) + return 0; + if ((unichar > 0xfdcf) && (unichar < 0xfdf0)) + return 0; + if ((unichar & 0xffff) == 0xffff) + return 0; + return 1; } /* validate one encoded unicode char and return its length */ static int utf8_encoded_valid_unichar(const char *str) { - int len; - int unichar; - int i; + int len; + int unichar; + int i; - len = utf8_encoded_expected_len(str); - if (len == 0) - return -1; + len = utf8_encoded_expected_len(str); + if (len == 0) + return -1; - /* ascii is valid */ - if (len == 1) - return 1; + /* ascii is valid */ + if (len == 1) + return 1; - /* check if expected encoded chars are available */ - for (i = 0; i < len; i++) - if ((str[i] & 0x80) != 0x80) - return -1; + /* check if expected encoded chars are available */ + for (i = 0; i < len; i++) + if ((str[i] & 0x80) != 0x80) + return -1; - unichar = utf8_encoded_to_unichar(str); + unichar = utf8_encoded_to_unichar(str); - /* check if encoded length matches encoded value */ - if (utf8_unichar_to_encoded_len(unichar) != len) - return -1; + /* check if encoded length matches encoded value */ + if (utf8_unichar_to_encoded_len(unichar) != len) + return -1; - /* check if value has valid range */ - if (!utf8_unichar_valid_range(unichar)) - return -1; + /* check if value has valid range */ + if (!utf8_unichar_valid_range(unichar)) + return -1; - return len; + return len; } int util_replace_whitespace(const char *str, char *to, size_t len) { - size_t i, j; - - /* strip trailing whitespace */ - len = strnlen(str, len); - while (len && isspace(str[len-1])) - len--; - - /* strip leading whitespace */ - i = 0; - while (isspace(str[i]) && (i < len)) - i++; - - j = 0; - while (i < len) { - /* substitute multiple whitespace with a single '_' */ - if (isspace(str[i])) { - while (isspace(str[i])) - i++; - to[j++] = '_'; - } - to[j++] = str[i++]; - } - to[j] = '\0'; - return 0; + size_t i, j; + + /* strip trailing whitespace */ + len = strnlen(str, len); + while (len && isspace(str[len-1])) + len--; + + /* strip leading whitespace */ + i = 0; + while (isspace(str[i]) && (i < len)) + i++; + + j = 0; + while (i < len) { + /* substitute multiple whitespace with a single '_' */ + if (isspace(str[i])) { + while (isspace(str[i])) + i++; + to[j++] = '_'; + } + to[j++] = str[i++]; + } + to[j] = '\0'; + return 0; } static int is_whitelisted(char c, const char *white) { - if ((c >= '0' && c <= '9') || - (c >= 'A' && c <= 'Z') || - (c >= 'a' && c <= 'z') || - strchr("#+-.:=@_", c) != NULL || - (white != NULL && strchr(white, c) != NULL)) - return 1; - return 0; + if ((c >= '0' && c <= '9') || + (c >= 'A' && c <= 'Z') || + (c >= 'a' && c <= 'z') || + strchr("#+-.:=@_", c) != NULL || + (white != NULL && strchr(white, c) != NULL)) + return 1; + return 0; } /* allow chars in whitelist, plain ascii, hex-escaping and valid utf8 */ int util_replace_chars(char *str, const char *white) { - size_t i = 0; - int replaced = 0; - - while (str[i] != '\0') { - int len; - - if (is_whitelisted(str[i], white)) { - i++; - continue; - } - - /* accept hex encoding */ - if (str[i] == '\\' && str[i+1] == 'x') { - i += 2; - continue; - } - - /* accept valid utf8 */ - len = utf8_encoded_valid_unichar(&str[i]); - if (len > 1) { - i += len; - continue; - } - - /* if space is allowed, replace whitespace with ordinary space */ - if (isspace(str[i]) && white != NULL && strchr(white, ' ') != NULL) { - str[i] = ' '; - i++; - replaced++; - continue; - } - - /* everything else is replaced with '_' */ - str[i] = '_'; - i++; - replaced++; - } - return replaced; + size_t i = 0; + int replaced = 0; + + while (str[i] != '\0') { + int len; + + if (is_whitelisted(str[i], white)) { + i++; + continue; + } + + /* accept hex encoding */ + if (str[i] == '\\' && str[i+1] == 'x') { + i += 2; + continue; + } + + /* accept valid utf8 */ + len = utf8_encoded_valid_unichar(&str[i]); + if (len > 1) { + i += len; + continue; + } + + /* if space is allowed, replace whitespace with ordinary space */ + if (isspace(str[i]) && white != NULL && strchr(white, ' ') != NULL) { + str[i] = ' '; + i++; + replaced++; + continue; + } + + /* everything else is replaced with '_' */ + str[i] = '_'; + i++; + replaced++; + } + return replaced; } /** @@ -443,39 +443,39 @@ int util_replace_chars(char *str, const char *white) **/ UDEV_EXPORT int udev_util_encode_string(const char *str, char *str_enc, size_t len) { - size_t i, j; - - if (str == NULL || str_enc == NULL) - return -1; - - for (i = 0, j = 0; str[i] != '\0'; i++) { - int seqlen; - - seqlen = utf8_encoded_valid_unichar(&str[i]); - if (seqlen > 1) { - if (len-j < (size_t)seqlen) - goto err; - memcpy(&str_enc[j], &str[i], seqlen); - j += seqlen; - i += (seqlen-1); - } else if (str[i] == '\\' || !is_whitelisted(str[i], NULL)) { - if (len-j < 4) - goto err; - sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]); - j += 4; - } else { - if (len-j < 1) - goto err; - str_enc[j] = str[i]; - j++; - } - } - if (len-j < 1) - goto err; - str_enc[j] = '\0'; - return 0; + size_t i, j; + + if (str == NULL || str_enc == NULL) + return -1; + + for (i = 0, j = 0; str[i] != '\0'; i++) { + int seqlen; + + seqlen = utf8_encoded_valid_unichar(&str[i]); + if (seqlen > 1) { + if (len-j < (size_t)seqlen) + goto err; + memcpy(&str_enc[j], &str[i], seqlen); + j += seqlen; + i += (seqlen-1); + } else if (str[i] == '\\' || !is_whitelisted(str[i], NULL)) { + if (len-j < 4) + goto err; + sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]); + j += 4; + } else { + if (len-j < 1) + goto err; + str_enc[j] = str[i]; + j++; + } + } + if (len-j < 1) + goto err; + str_enc[j] = '\0'; + return 0; err: - return -1; + return -1; } /* @@ -487,82 +487,82 @@ err: */ static unsigned int murmur_hash2(const char *key, int len, unsigned int seed) { - /* - * 'm' and 'r' are mixing constants generated offline. - * They're not really 'magic', they just happen to work well. - */ - const unsigned int m = 0x5bd1e995; - const int r = 24; - - /* initialize the hash to a 'random' value */ - unsigned int h = seed ^ len; - - /* mix 4 bytes at a time into the hash */ - const unsigned char * data = (const unsigned char *)key; - - while(len >= 4) { - unsigned int k = *(unsigned int *)data; - - k *= m; - k ^= k >> r; - k *= m; - h *= m; - h ^= k; - - data += 4; - len -= 4; - } - - /* handle the last few bytes of the input array */ - switch(len) { - case 3: - h ^= data[2] << 16; - case 2: - h ^= data[1] << 8; - case 1: - h ^= data[0]; - h *= m; - }; - - /* do a few final mixes of the hash to ensure the last few bytes are well-incorporated */ - h ^= h >> 13; - h *= m; - h ^= h >> 15; - - return h; + /* + * 'm' and 'r' are mixing constants generated offline. + * They're not really 'magic', they just happen to work well. + */ + const unsigned int m = 0x5bd1e995; + const int r = 24; + + /* initialize the hash to a 'random' value */ + unsigned int h = seed ^ len; + + /* mix 4 bytes at a time into the hash */ + const unsigned char * data = (const unsigned char *)key; + + while(len >= 4) { + unsigned int k = *(unsigned int *)data; + + k *= m; + k ^= k >> r; + k *= m; + h *= m; + h ^= k; + + data += 4; + len -= 4; + } + + /* handle the last few bytes of the input array */ + switch(len) { + case 3: + h ^= data[2] << 16; + case 2: + h ^= data[1] << 8; + case 1: + h ^= data[0]; + h *= m; + }; + + /* do a few final mixes of the hash to ensure the last few bytes are well-incorporated */ + h ^= h >> 13; + h *= m; + h ^= h >> 15; + + return h; } unsigned int util_string_hash32(const char *str) { - return murmur_hash2(str, strlen(str), 0); + return murmur_hash2(str, strlen(str), 0); } /* get a bunch of bit numbers out of the hash, and set the bits in our bit field */ uint64_t util_string_bloom64(const char *str) { - uint64_t bits = 0; - unsigned int hash = util_string_hash32(str); - - bits |= 1LLU << (hash & 63); - bits |= 1LLU << ((hash >> 6) & 63); - bits |= 1LLU << ((hash >> 12) & 63); - bits |= 1LLU << ((hash >> 18) & 63); - return bits; + uint64_t bits = 0; + unsigned int hash = util_string_hash32(str); + + bits |= 1LLU << (hash & 63); + bits |= 1LLU << ((hash >> 6) & 63); + bits |= 1LLU << ((hash >> 12) & 63); + bits |= 1LLU << ((hash >> 18) & 63); + return bits; } #define USEC_PER_SEC 1000000ULL #define NSEC_PER_USEC 1000ULL unsigned long long ts_usec(const struct timespec *ts) { - return (unsigned long long) ts->tv_sec * USEC_PER_SEC + - (unsigned long long) ts->tv_nsec / NSEC_PER_USEC; + return (unsigned long long) ts->tv_sec * USEC_PER_SEC + + (unsigned long long) ts->tv_nsec / NSEC_PER_USEC; } unsigned long long now_usec(void) { - struct timespec ts; + struct timespec ts; - if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) - return 0; - return ts_usec(&ts); + if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) + return 0; + return ts_usec(&ts); } diff --git a/src/libudev.c b/src/libudev.c index f0f59e3a4..be24329ad 100644 --- a/src/libudev.c +++ b/src/libudev.c @@ -36,38 +36,38 @@ * Opaque object representing the library context. */ struct udev { - int refcount; - void (*log_fn)(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, va_list args); - void *userdata; - char *sys_path; - char *dev_path; - char *rules_path[4]; - unsigned long long rules_path_ts[4]; - int rules_path_count; - char *run_path; - struct udev_list properties_list; - int log_priority; + int refcount; + void (*log_fn)(struct udev *udev, + int priority, const char *file, int line, const char *fn, + const char *format, va_list args); + void *userdata; + char *sys_path; + char *dev_path; + char *rules_path[4]; + unsigned long long rules_path_ts[4]; + int rules_path_count; + char *run_path; + struct udev_list properties_list; + int log_priority; }; void udev_log(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, ...) + int priority, const char *file, int line, const char *fn, + const char *format, ...) { - va_list args; + va_list args; - va_start(args, format); - udev->log_fn(udev, priority, file, line, fn, format, args); - va_end(args); + va_start(args, format); + udev->log_fn(udev, priority, file, line, fn, format, args); + va_end(args); } static void log_stderr(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, va_list args) + int priority, const char *file, int line, const char *fn, + const char *format, va_list args) { - fprintf(stderr, "libudev: %s: ", fn); - vfprintf(stderr, format, args); + fprintf(stderr, "libudev: %s: ", fn); + vfprintf(stderr, format, args); } /** @@ -81,9 +81,9 @@ static void log_stderr(struct udev *udev, **/ UDEV_EXPORT void *udev_get_userdata(struct udev *udev) { - if (udev == NULL) - return NULL; - return udev->userdata; + if (udev == NULL) + return NULL; + return udev->userdata; } /** @@ -95,17 +95,17 @@ UDEV_EXPORT void *udev_get_userdata(struct udev *udev) **/ UDEV_EXPORT void udev_set_userdata(struct udev *udev, void *userdata) { - if (udev == NULL) - return; - udev->userdata = userdata; + if (udev == NULL) + return; + udev->userdata = userdata; } static char *set_value(char **s, const char *v) { - free(*s); - *s = strdup(v); - util_remove_trailing_chars(*s, '/'); - return *s; + free(*s); + *s = strdup(v); + util_remove_trailing_chars(*s, '/'); + return *s; } /** @@ -121,171 +121,171 @@ static char *set_value(char **s, const char *v) **/ UDEV_EXPORT struct udev *udev_new(void) { - struct udev *udev; - const char *env; - char *config_file = NULL; - FILE *f; - - udev = calloc(1, sizeof(struct udev)); - if (udev == NULL) - return NULL; - udev->refcount = 1; - udev->log_fn = log_stderr; - udev->log_priority = LOG_ERR; - udev_list_init(udev, &udev->properties_list, true); - - /* custom config file */ - env = getenv("UDEV_CONFIG_FILE"); - if (env != NULL) { - if (set_value(&config_file, env) == NULL) - goto err; - udev_add_property(udev, "UDEV_CONFIG_FILE", config_file); - } - - /* default config file */ - if (config_file == NULL) - config_file = strdup(SYSCONFDIR "/udev/udev.conf"); - if (config_file == NULL) - goto err; - - f = fopen(config_file, "re"); - if (f != NULL) { - char line[UTIL_LINE_SIZE]; - int line_nr = 0; - - while (fgets(line, sizeof(line), f)) { - size_t len; - char *key; - char *val; - - line_nr++; - - /* find key */ - key = line; - while (isspace(key[0])) - key++; - - /* comment or empty line */ - if (key[0] == '#' || key[0] == '\0') - continue; - - /* split key/value */ - val = strchr(key, '='); - if (val == NULL) { - err(udev, "missing = in '%s'[%i], skip line\n", config_file, line_nr); - continue; - } - val[0] = '\0'; - val++; - - /* find value */ - while (isspace(val[0])) - val++; - - /* terminate key */ - len = strlen(key); - if (len == 0) - continue; - while (isspace(key[len-1])) - len--; - key[len] = '\0'; - - /* terminate value */ - len = strlen(val); - if (len == 0) - continue; - while (isspace(val[len-1])) - len--; - val[len] = '\0'; - - if (len == 0) - continue; - - /* unquote */ - if (val[0] == '"' || val[0] == '\'') { - if (val[len-1] != val[0]) { - err(udev, "inconsistent quoting in '%s'[%i], skip line\n", config_file, line_nr); - continue; - } - val[len-1] = '\0'; - val++; - } - - if (strcmp(key, "udev_log") == 0) { - udev_set_log_priority(udev, util_log_priority(val)); - continue; - } - if (strcmp(key, "udev_root") == 0) { - set_value(&udev->dev_path, val); - continue; - } - if (strcmp(key, "udev_run") == 0) { - set_value(&udev->run_path, val); - continue; - } - if (strcmp(key, "udev_sys") == 0) { - set_value(&udev->sys_path, val); - continue; - } - if (strcmp(key, "udev_rules") == 0) { - set_value(&udev->rules_path[0], val); - udev->rules_path_count = 1; - continue; - } - } - fclose(f); - } - - /* environment overwrites config */ - env = getenv("UDEV_LOG"); - if (env != NULL) - udev_set_log_priority(udev, util_log_priority(env)); - - /* set defaults */ - if (udev->dev_path == NULL) - if (set_value(&udev->dev_path, "/dev") == NULL) - goto err; - - if (udev->sys_path == NULL) - if (set_value(&udev->sys_path, "/sys") == NULL) - goto err; - - if (udev->run_path == NULL) - if (set_value(&udev->run_path, "/run/udev") == NULL) - goto err; - - if (udev->rules_path[0] == NULL) { - /* /usr/lib/udev -- system rules */ - udev->rules_path[0] = strdup(PKGLIBEXECDIR "/rules.d"); - if (!udev->rules_path[0]) - goto err; - - /* /etc/udev -- local administration rules */ - udev->rules_path[1] = strdup(SYSCONFDIR "/udev/rules.d"); - if (!udev->rules_path[1]) - goto err; - - /* /run/udev -- runtime rules */ - if (asprintf(&udev->rules_path[2], "%s/rules.d", udev->run_path) < 0) - goto err; - - udev->rules_path_count = 3; - } - - dbg(udev, "context %p created\n", udev); - dbg(udev, "log_priority=%d\n", udev->log_priority); - dbg(udev, "config_file='%s'\n", config_file); - dbg(udev, "dev_path='%s'\n", udev->dev_path); - dbg(udev, "sys_path='%s'\n", udev->sys_path); - dbg(udev, "run_path='%s'\n", udev->run_path); - dbg(udev, "rules_path='%s':'%s':'%s'\n", udev->rules_path[0], udev->rules_path[1], udev->rules_path[2]); - free(config_file); - return udev; + struct udev *udev; + const char *env; + char *config_file = NULL; + FILE *f; + + udev = calloc(1, sizeof(struct udev)); + if (udev == NULL) + return NULL; + udev->refcount = 1; + udev->log_fn = log_stderr; + udev->log_priority = LOG_ERR; + udev_list_init(udev, &udev->properties_list, true); + + /* custom config file */ + env = getenv("UDEV_CONFIG_FILE"); + if (env != NULL) { + if (set_value(&config_file, env) == NULL) + goto err; + udev_add_property(udev, "UDEV_CONFIG_FILE", config_file); + } + + /* default config file */ + if (config_file == NULL) + config_file = strdup(SYSCONFDIR "/udev/udev.conf"); + if (config_file == NULL) + goto err; + + f = fopen(config_file, "re"); + if (f != NULL) { + char line[UTIL_LINE_SIZE]; + int line_nr = 0; + + while (fgets(line, sizeof(line), f)) { + size_t len; + char *key; + char *val; + + line_nr++; + + /* find key */ + key = line; + while (isspace(key[0])) + key++; + + /* comment or empty line */ + if (key[0] == '#' || key[0] == '\0') + continue; + + /* split key/value */ + val = strchr(key, '='); + if (val == NULL) { + err(udev, "missing = in '%s'[%i], skip line\n", config_file, line_nr); + continue; + } + val[0] = '\0'; + val++; + + /* find value */ + while (isspace(val[0])) + val++; + + /* terminate key */ + len = strlen(key); + if (len == 0) + continue; + while (isspace(key[len-1])) + len--; + key[len] = '\0'; + + /* terminate value */ + len = strlen(val); + if (len == 0) + continue; + while (isspace(val[len-1])) + len--; + val[len] = '\0'; + + if (len == 0) + continue; + + /* unquote */ + if (val[0] == '"' || val[0] == '\'') { + if (val[len-1] != val[0]) { + err(udev, "inconsistent quoting in '%s'[%i], skip line\n", config_file, line_nr); + continue; + } + val[len-1] = '\0'; + val++; + } + + if (strcmp(key, "udev_log") == 0) { + udev_set_log_priority(udev, util_log_priority(val)); + continue; + } + if (strcmp(key, "udev_root") == 0) { + set_value(&udev->dev_path, val); + continue; + } + if (strcmp(key, "udev_run") == 0) { + set_value(&udev->run_path, val); + continue; + } + if (strcmp(key, "udev_sys") == 0) { + set_value(&udev->sys_path, val); + continue; + } + if (strcmp(key, "udev_rules") == 0) { + set_value(&udev->rules_path[0], val); + udev->rules_path_count = 1; + continue; + } + } + fclose(f); + } + + /* environment overwrites config */ + env = getenv("UDEV_LOG"); + if (env != NULL) + udev_set_log_priority(udev, util_log_priority(env)); + + /* set defaults */ + if (udev->dev_path == NULL) + if (set_value(&udev->dev_path, "/dev") == NULL) + goto err; + + if (udev->sys_path == NULL) + if (set_value(&udev->sys_path, "/sys") == NULL) + goto err; + + if (udev->run_path == NULL) + if (set_value(&udev->run_path, "/run/udev") == NULL) + goto err; + + if (udev->rules_path[0] == NULL) { + /* /usr/lib/udev -- system rules */ + udev->rules_path[0] = strdup(PKGLIBEXECDIR "/rules.d"); + if (!udev->rules_path[0]) + goto err; + + /* /etc/udev -- local administration rules */ + udev->rules_path[1] = strdup(SYSCONFDIR "/udev/rules.d"); + if (!udev->rules_path[1]) + goto err; + + /* /run/udev -- runtime rules */ + if (asprintf(&udev->rules_path[2], "%s/rules.d", udev->run_path) < 0) + goto err; + + udev->rules_path_count = 3; + } + + dbg(udev, "context %p created\n", udev); + dbg(udev, "log_priority=%d\n", udev->log_priority); + dbg(udev, "config_file='%s'\n", config_file); + dbg(udev, "dev_path='%s'\n", udev->dev_path); + dbg(udev, "sys_path='%s'\n", udev->sys_path); + dbg(udev, "run_path='%s'\n", udev->run_path); + dbg(udev, "rules_path='%s':'%s':'%s'\n", udev->rules_path[0], udev->rules_path[1], udev->rules_path[2]); + free(config_file); + return udev; err: - free(config_file); - err(udev, "context creation failed\n"); - udev_unref(udev); - return NULL; + free(config_file); + err(udev, "context creation failed\n"); + udev_unref(udev); + return NULL; } /** @@ -298,10 +298,10 @@ err: **/ UDEV_EXPORT struct udev *udev_ref(struct udev *udev) { - if (udev == NULL) - return NULL; - udev->refcount++; - return udev; + if (udev == NULL) + return NULL; + udev->refcount++; + return udev; } /** @@ -314,20 +314,20 @@ UDEV_EXPORT struct udev *udev_ref(struct udev *udev) **/ UDEV_EXPORT void udev_unref(struct udev *udev) { - if (udev == NULL) - return; - udev->refcount--; - if (udev->refcount > 0) - return; - udev_list_cleanup(&udev->properties_list); - free(udev->dev_path); - free(udev->sys_path); - free(udev->rules_path[0]); - free(udev->rules_path[1]); - free(udev->rules_path[2]); - free(udev->run_path); - dbg(udev, "context %p released\n", udev); - free(udev); + if (udev == NULL) + return; + udev->refcount--; + if (udev->refcount > 0) + return; + udev_list_cleanup(&udev->properties_list); + free(udev->dev_path); + free(udev->sys_path); + free(udev->rules_path[0]); + free(udev->rules_path[1]); + free(udev->rules_path[2]); + free(udev->run_path); + dbg(udev, "context %p released\n", udev); + free(udev); } /** @@ -341,12 +341,12 @@ UDEV_EXPORT void udev_unref(struct udev *udev) * **/ UDEV_EXPORT void udev_set_log_fn(struct udev *udev, - void (*log_fn)(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, va_list args)) + void (*log_fn)(struct udev *udev, + int priority, const char *file, int line, const char *fn, + const char *format, va_list args)) { - udev->log_fn = log_fn; - info(udev, "custom logging function %p registered\n", log_fn); + udev->log_fn = log_fn; + info(udev, "custom logging function %p registered\n", log_fn); } /** @@ -360,7 +360,7 @@ UDEV_EXPORT void udev_set_log_fn(struct udev *udev, **/ UDEV_EXPORT int udev_get_log_priority(struct udev *udev) { - return udev->log_priority; + return udev->log_priority; } /** @@ -373,19 +373,19 @@ UDEV_EXPORT int udev_get_log_priority(struct udev *udev) **/ UDEV_EXPORT void udev_set_log_priority(struct udev *udev, int priority) { - char num[32]; + char num[32]; - udev->log_priority = priority; - snprintf(num, sizeof(num), "%u", udev->log_priority); - udev_add_property(udev, "UDEV_LOG", num); + udev->log_priority = priority; + snprintf(num, sizeof(num), "%u", udev->log_priority); + udev_add_property(udev, "UDEV_LOG", num); } int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *stamp_usec[]) { - *path = udev->rules_path; - if (stamp_usec) - *stamp_usec = udev->rules_path_ts; - return udev->rules_path_count; + *path = udev->rules_path; + if (stamp_usec) + *stamp_usec = udev->rules_path_ts; + return udev->rules_path_count; } /** @@ -400,9 +400,9 @@ int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *st **/ UDEV_EXPORT const char *udev_get_sys_path(struct udev *udev) { - if (udev == NULL) - return NULL; - return udev->sys_path; + if (udev == NULL) + return NULL; + return udev->sys_path; } /** @@ -417,9 +417,9 @@ UDEV_EXPORT const char *udev_get_sys_path(struct udev *udev) **/ UDEV_EXPORT const char *udev_get_dev_path(struct udev *udev) { - if (udev == NULL) - return NULL; - return udev->dev_path; + if (udev == NULL) + return NULL; + return udev->dev_path; } /** @@ -432,26 +432,26 @@ UDEV_EXPORT const char *udev_get_dev_path(struct udev *udev) **/ UDEV_EXPORT const char *udev_get_run_path(struct udev *udev) { - if (udev == NULL) - return NULL; - return udev->run_path; + if (udev == NULL) + return NULL; + return udev->run_path; } struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value) { - if (value == NULL) { - struct udev_list_entry *list_entry; - - list_entry = udev_get_properties_list_entry(udev); - list_entry = udev_list_entry_get_by_name(list_entry, key); - if (list_entry != NULL) - udev_list_entry_delete(list_entry); - return NULL; - } - return udev_list_entry_add(&udev->properties_list, key, value); + if (value == NULL) { + struct udev_list_entry *list_entry; + + list_entry = udev_get_properties_list_entry(udev); + list_entry = udev_list_entry_get_by_name(list_entry, key); + if (list_entry != NULL) + udev_list_entry_delete(list_entry); + return NULL; + } + return udev_list_entry_add(&udev->properties_list, key, value); } struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev) { - return udev_list_get_entry(&udev->properties_list); + return udev_list_get_entry(&udev->properties_list); } diff --git a/src/libudev.h b/src/libudev.h index 28d7d0a38..10e098d4f 100644 --- a/src/libudev.h +++ b/src/libudev.h @@ -31,9 +31,9 @@ struct udev *udev_ref(struct udev *udev); void udev_unref(struct udev *udev); struct udev *udev_new(void); void udev_set_log_fn(struct udev *udev, - void (*log_fn)(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, va_list args)); + void (*log_fn)(struct udev *udev, + int priority, const char *file, int line, const char *fn, + const char *format, va_list args)); int udev_get_log_priority(struct udev *udev); void udev_set_log_priority(struct udev *udev, int priority); const char *udev_get_sys_path(struct udev *udev); @@ -60,9 +60,9 @@ const char *udev_list_entry_get_value(struct udev_list_entry *list_entry); * Helper to iterate over all entries of a list. */ #define udev_list_entry_foreach(list_entry, first_entry) \ - for (list_entry = first_entry; \ - list_entry != NULL; \ - list_entry = udev_list_entry_get_next(list_entry)) + for (list_entry = first_entry; \ + list_entry != NULL; \ + list_entry = udev_list_entry_get_next(list_entry)) /* * udev_device @@ -80,7 +80,7 @@ struct udev_device *udev_device_new_from_environment(struct udev *udev); /* udev_device_get_parent_*() does not take a reference on the returned device, it is automatically unref'd with the parent */ struct udev_device *udev_device_get_parent(struct udev_device *udev_device); struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, - const char *subsystem, const char *devtype); + const char *subsystem, const char *devtype); /* retrieve device properties */ const char *udev_device_get_devpath(struct udev_device *udev_device); const char *udev_device_get_subsystem(struct udev_device *udev_device); @@ -123,7 +123,7 @@ int udev_monitor_get_fd(struct udev_monitor *udev_monitor); struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor); /* in-kernel socket filters to select messages that get delivered to a listener */ int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, - const char *subsystem, const char *devtype); + const char *subsystem, const char *devtype); int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag); int udev_monitor_filter_update(struct udev_monitor *udev_monitor); int udev_monitor_filter_remove(struct udev_monitor *udev_monitor); @@ -171,7 +171,7 @@ int udev_queue_get_udev_is_active(struct udev_queue *udev_queue); int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue); int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum); int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue, - unsigned long long int start, unsigned long long int end); + unsigned long long int start, unsigned long long int end); struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue); /* diff --git a/src/test-libudev.c b/src/test-libudev.c index c325f8eef..6161fb3e3 100644 --- a/src/test-libudev.c +++ b/src/test-libudev.c @@ -25,477 +25,477 @@ #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) static void log_fn(struct udev *udev, - int priority, const char *file, int line, const char *fn, - const char *format, va_list args) + int priority, const char *file, int line, const char *fn, + const char *format, va_list args) { - printf("test-libudev: %s %s:%d ", fn, file, line); - vprintf(format, args); + printf("test-libudev: %s %s:%d ", fn, file, line); + vprintf(format, args); } static void print_device(struct udev_device *device) { - const char *str; - dev_t devnum; - int count; - struct udev_list_entry *list_entry; - - printf("*** device: %p ***\n", device); - str = udev_device_get_action(device); - if (str != NULL) - printf("action: '%s'\n", str); - - str = udev_device_get_syspath(device); - printf("syspath: '%s'\n", str); - - str = udev_device_get_sysname(device); - printf("sysname: '%s'\n", str); - - str = udev_device_get_sysnum(device); - if (str != NULL) - printf("sysnum: '%s'\n", str); - - str = udev_device_get_devpath(device); - printf("devpath: '%s'\n", str); - - str = udev_device_get_subsystem(device); - if (str != NULL) - printf("subsystem: '%s'\n", str); - - str = udev_device_get_devtype(device); - if (str != NULL) - printf("devtype: '%s'\n", str); - - str = udev_device_get_driver(device); - if (str != NULL) - printf("driver: '%s'\n", str); - - str = udev_device_get_devnode(device); - if (str != NULL) - printf("devname: '%s'\n", str); - - devnum = udev_device_get_devnum(device); - if (major(devnum) > 0) - printf("devnum: %u:%u\n", major(devnum), minor(devnum)); - - count = 0; - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) { - printf("link: '%s'\n", udev_list_entry_get_name(list_entry)); - count++; - } - if (count > 0) - printf("found %i links\n", count); - - count = 0; - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) { - printf("property: '%s=%s'\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - count++; - } - if (count > 0) - printf("found %i properties\n", count); - - str = udev_device_get_property_value(device, "MAJOR"); - if (str != NULL) - printf("MAJOR: '%s'\n", str); - - str = udev_device_get_sysattr_value(device, "dev"); - if (str != NULL) - printf("attr{dev}: '%s'\n", str); - - printf("\n"); + const char *str; + dev_t devnum; + int count; + struct udev_list_entry *list_entry; + + printf("*** device: %p ***\n", device); + str = udev_device_get_action(device); + if (str != NULL) + printf("action: '%s'\n", str); + + str = udev_device_get_syspath(device); + printf("syspath: '%s'\n", str); + + str = udev_device_get_sysname(device); + printf("sysname: '%s'\n", str); + + str = udev_device_get_sysnum(device); + if (str != NULL) + printf("sysnum: '%s'\n", str); + + str = udev_device_get_devpath(device); + printf("devpath: '%s'\n", str); + + str = udev_device_get_subsystem(device); + if (str != NULL) + printf("subsystem: '%s'\n", str); + + str = udev_device_get_devtype(device); + if (str != NULL) + printf("devtype: '%s'\n", str); + + str = udev_device_get_driver(device); + if (str != NULL) + printf("driver: '%s'\n", str); + + str = udev_device_get_devnode(device); + if (str != NULL) + printf("devname: '%s'\n", str); + + devnum = udev_device_get_devnum(device); + if (major(devnum) > 0) + printf("devnum: %u:%u\n", major(devnum), minor(devnum)); + + count = 0; + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) { + printf("link: '%s'\n", udev_list_entry_get_name(list_entry)); + count++; + } + if (count > 0) + printf("found %i links\n", count); + + count = 0; + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) { + printf("property: '%s=%s'\n", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + count++; + } + if (count > 0) + printf("found %i properties\n", count); + + str = udev_device_get_property_value(device, "MAJOR"); + if (str != NULL) + printf("MAJOR: '%s'\n", str); + + str = udev_device_get_sysattr_value(device, "dev"); + if (str != NULL) + printf("attr{dev}: '%s'\n", str); + + printf("\n"); } static int test_device(struct udev *udev, const char *syspath) { - struct udev_device *device; - - printf("looking at device: %s\n", syspath); - device = udev_device_new_from_syspath(udev, syspath); - if (device == NULL) { - printf("no device found\n"); - return -1; - } - print_device(device); - udev_device_unref(device); - return 0; + struct udev_device *device; + + printf("looking at device: %s\n", syspath); + device = udev_device_new_from_syspath(udev, syspath); + if (device == NULL) { + printf("no device found\n"); + return -1; + } + print_device(device); + udev_device_unref(device); + return 0; } static int test_device_parents(struct udev *udev, const char *syspath) { - struct udev_device *device; - struct udev_device *device_parent; - - printf("looking at device: %s\n", syspath); - device = udev_device_new_from_syspath(udev, syspath); - if (device == NULL) - return -1; - - printf("looking at parents\n"); - device_parent = device; - do { - print_device(device_parent); - device_parent = udev_device_get_parent(device_parent); - } while (device_parent != NULL); - - printf("looking at parents again\n"); - device_parent = device; - do { - print_device(device_parent); - device_parent = udev_device_get_parent(device_parent); - } while (device_parent != NULL); - udev_device_unref(device); - - return 0; + struct udev_device *device; + struct udev_device *device_parent; + + printf("looking at device: %s\n", syspath); + device = udev_device_new_from_syspath(udev, syspath); + if (device == NULL) + return -1; + + printf("looking at parents\n"); + device_parent = device; + do { + print_device(device_parent); + device_parent = udev_device_get_parent(device_parent); + } while (device_parent != NULL); + + printf("looking at parents again\n"); + device_parent = device; + do { + print_device(device_parent); + device_parent = udev_device_get_parent(device_parent); + } while (device_parent != NULL); + udev_device_unref(device); + + return 0; } static int test_device_devnum(struct udev *udev) { - dev_t devnum = makedev(1, 3); - struct udev_device *device; - - printf("looking up device: %u:%u\n", major(devnum), minor(devnum)); - device = udev_device_new_from_devnum(udev, 'c', devnum); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - return 0; + dev_t devnum = makedev(1, 3); + struct udev_device *device; + + printf("looking up device: %u:%u\n", major(devnum), minor(devnum)); + device = udev_device_new_from_devnum(udev, 'c', devnum); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + return 0; } static int test_device_subsys_name(struct udev *udev) { - struct udev_device *device; - - printf("looking up device: 'block':'sda'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "block", "sda"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - - printf("looking up device: 'subsystem':'pci'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - - printf("looking up device: 'drivers':'scsi:sd'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - - printf("looking up device: 'module':'printk'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "module", "printk"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - return 0; + struct udev_device *device; + + printf("looking up device: 'block':'sda'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "block", "sda"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + + printf("looking up device: 'subsystem':'pci'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + + printf("looking up device: 'drivers':'scsi:sd'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + + printf("looking up device: 'module':'printk'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "module", "printk"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + return 0; } static int test_enumerate_print_list(struct udev_enumerate *enumerate) { - struct udev_list_entry *list_entry; - int count = 0; - - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { - struct udev_device *device; - - device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), - udev_list_entry_get_name(list_entry)); - if (device != NULL) { - printf("device: '%s' (%s)\n", - udev_device_get_syspath(device), - udev_device_get_subsystem(device)); - udev_device_unref(device); - count++; - } - } - printf("found %i devices\n\n", count); - return count; + struct udev_list_entry *list_entry; + int count = 0; + + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { + struct udev_device *device; + + device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), + udev_list_entry_get_name(list_entry)); + if (device != NULL) { + printf("device: '%s' (%s)\n", + udev_device_get_syspath(device), + udev_device_get_subsystem(device)); + udev_device_unref(device); + count++; + } + } + printf("found %i devices\n\n", count); + return count; } static int test_monitor(struct udev *udev) { - struct udev_monitor *udev_monitor = NULL; - int fd_ep; - int fd_udev = -1; - struct epoll_event ep_udev, ep_stdin; - - fd_ep = epoll_create1(EPOLL_CLOEXEC); - if (fd_ep < 0) { - printf("error creating epoll fd: %m\n"); - goto out; - } - - udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); - if (udev_monitor == NULL) { - printf("no socket\n"); - goto out; - } - fd_udev = udev_monitor_get_fd(udev_monitor); - - if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 || - udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 || - udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) { - printf("filter failed\n"); - goto out; - } - - if (udev_monitor_enable_receiving(udev_monitor) < 0) { - printf("bind failed\n"); - goto out; - } - - memset(&ep_udev, 0, sizeof(struct epoll_event)); - ep_udev.events = EPOLLIN; - ep_udev.data.fd = fd_udev; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) { - printf("fail to add fd to epoll: %m\n"); - goto out; - } - - memset(&ep_stdin, 0, sizeof(struct epoll_event)); - ep_stdin.events = EPOLLIN; - ep_stdin.data.fd = STDIN_FILENO; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) { - printf("fail to add fd to epoll: %m\n"); - goto out; - } - - for (;;) { - int fdcount; - struct epoll_event ev[4]; - struct udev_device *device; - int i; - - printf("waiting for events from udev, press ENTER to exit\n"); - fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); - printf("epoll fd count: %i\n", fdcount); - - for (i = 0; i < fdcount; i++) { - if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) { - device = udev_monitor_receive_device(udev_monitor); - if (device == NULL) { - printf("no device from socket\n"); - continue; - } - print_device(device); - udev_device_unref(device); - } else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) { - printf("exiting loop\n"); - goto out; - } - } - } + struct udev_monitor *udev_monitor = NULL; + int fd_ep; + int fd_udev = -1; + struct epoll_event ep_udev, ep_stdin; + + fd_ep = epoll_create1(EPOLL_CLOEXEC); + if (fd_ep < 0) { + printf("error creating epoll fd: %m\n"); + goto out; + } + + udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); + if (udev_monitor == NULL) { + printf("no socket\n"); + goto out; + } + fd_udev = udev_monitor_get_fd(udev_monitor); + + if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 || + udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 || + udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) { + printf("filter failed\n"); + goto out; + } + + if (udev_monitor_enable_receiving(udev_monitor) < 0) { + printf("bind failed\n"); + goto out; + } + + memset(&ep_udev, 0, sizeof(struct epoll_event)); + ep_udev.events = EPOLLIN; + ep_udev.data.fd = fd_udev; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) { + printf("fail to add fd to epoll: %m\n"); + goto out; + } + + memset(&ep_stdin, 0, sizeof(struct epoll_event)); + ep_stdin.events = EPOLLIN; + ep_stdin.data.fd = STDIN_FILENO; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) { + printf("fail to add fd to epoll: %m\n"); + goto out; + } + + for (;;) { + int fdcount; + struct epoll_event ev[4]; + struct udev_device *device; + int i; + + printf("waiting for events from udev, press ENTER to exit\n"); + fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); + printf("epoll fd count: %i\n", fdcount); + + for (i = 0; i < fdcount; i++) { + if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) { + device = udev_monitor_receive_device(udev_monitor); + if (device == NULL) { + printf("no device from socket\n"); + continue; + } + print_device(device); + udev_device_unref(device); + } else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) { + printf("exiting loop\n"); + goto out; + } + } + } out: - if (fd_ep >= 0) - close(fd_ep); - udev_monitor_unref(udev_monitor); - return 0; + if (fd_ep >= 0) + close(fd_ep); + udev_monitor_unref(udev_monitor); + return 0; } static int test_queue(struct udev *udev) { - struct udev_queue *udev_queue; - unsigned long long int seqnum; - struct udev_list_entry *list_entry; - - udev_queue = udev_queue_new(udev); - if (udev_queue == NULL) - return -1; - seqnum = udev_queue_get_kernel_seqnum(udev_queue); - printf("seqnum kernel: %llu\n", seqnum); - seqnum = udev_queue_get_udev_seqnum(udev_queue); - printf("seqnum udev : %llu\n", seqnum); - - if (udev_queue_get_queue_is_empty(udev_queue)) - printf("queue is empty\n"); - printf("get queue list\n"); - udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) - printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); - printf("\n"); - printf("get queue list again\n"); - udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) - printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); - printf("\n"); - - list_entry = udev_queue_get_queued_list_entry(udev_queue); - if (list_entry != NULL) { - printf("event [%llu] is queued\n", seqnum); - seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10); - if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum)) - printf("event [%llu] is not finished\n", seqnum); - else - printf("event [%llu] is finished\n", seqnum); - } - printf("\n"); - udev_queue_unref(udev_queue); - return 0; + struct udev_queue *udev_queue; + unsigned long long int seqnum; + struct udev_list_entry *list_entry; + + udev_queue = udev_queue_new(udev); + if (udev_queue == NULL) + return -1; + seqnum = udev_queue_get_kernel_seqnum(udev_queue); + printf("seqnum kernel: %llu\n", seqnum); + seqnum = udev_queue_get_udev_seqnum(udev_queue); + printf("seqnum udev : %llu\n", seqnum); + + if (udev_queue_get_queue_is_empty(udev_queue)) + printf("queue is empty\n"); + printf("get queue list\n"); + udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) + printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); + printf("\n"); + printf("get queue list again\n"); + udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) + printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); + printf("\n"); + + list_entry = udev_queue_get_queued_list_entry(udev_queue); + if (list_entry != NULL) { + printf("event [%llu] is queued\n", seqnum); + seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10); + if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum)) + printf("event [%llu] is not finished\n", seqnum); + else + printf("event [%llu] is finished\n", seqnum); + } + printf("\n"); + udev_queue_unref(udev_queue); + return 0; } static int test_enumerate(struct udev *udev, const char *subsystem) { - struct udev_enumerate *udev_enumerate; - - printf("enumerate '%s'\n", subsystem == NULL ? "" : subsystem); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_match_subsystem(udev_enumerate, subsystem); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'net' + duplicated scan + null + zero\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_match_subsystem(udev_enumerate, "net"); - udev_enumerate_scan_devices(udev_enumerate); - udev_enumerate_scan_devices(udev_enumerate); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); - udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'block'\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_match_subsystem(udev_enumerate,"block"); - udev_enumerate_add_match_is_initialized(udev_enumerate); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'not block'\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block"); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'pci, mem, vc'\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_match_subsystem(udev_enumerate, "pci"); - udev_enumerate_add_match_subsystem(udev_enumerate, "mem"); - udev_enumerate_add_match_subsystem(udev_enumerate, "vc"); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'subsystem'\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_scan_subsystems(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'property IF_FS_*=filesystem'\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem"); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - return 0; + struct udev_enumerate *udev_enumerate; + + printf("enumerate '%s'\n", subsystem == NULL ? "" : subsystem); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate, subsystem); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'net' + duplicated scan + null + zero\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate, "net"); + udev_enumerate_scan_devices(udev_enumerate); + udev_enumerate_scan_devices(udev_enumerate); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'block'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate,"block"); + udev_enumerate_add_match_is_initialized(udev_enumerate); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'not block'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'pci, mem, vc'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate, "pci"); + udev_enumerate_add_match_subsystem(udev_enumerate, "mem"); + udev_enumerate_add_match_subsystem(udev_enumerate, "vc"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'subsystem'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_scan_subsystems(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'property IF_FS_*=filesystem'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + return 0; } int main(int argc, char *argv[]) { - struct udev *udev = NULL; - static const struct option options[] = { - { "syspath", required_argument, NULL, 'p' }, - { "subsystem", required_argument, NULL, 's' }, - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, 'V' }, - {} - }; - const char *syspath = "/devices/virtual/mem/null"; - const char *subsystem = NULL; - char path[1024]; - const char *str; - - udev = udev_new(); - printf("context: %p\n", udev); - if (udev == NULL) { - printf("no context\n"); - return 1; - } - udev_set_log_fn(udev, log_fn); - printf("set log: %p\n", log_fn); - - for (;;) { - int option; - - option = getopt_long(argc, argv, "+p:s:dhV", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'p': - syspath = optarg; - break; - case 's': - subsystem = optarg; - break; - case 'd': - if (udev_get_log_priority(udev) < LOG_INFO) - udev_set_log_priority(udev, LOG_INFO); - break; - case 'h': - printf("--debug --syspath= --subsystem= --help\n"); - goto out; - case 'V': - printf("%s\n", VERSION); - goto out; - default: - goto out; - } - } - - str = udev_get_sys_path(udev); - printf("sys_path: '%s'\n", str); - str = udev_get_dev_path(udev); - printf("dev_path: '%s'\n", str); - - /* add sys path if needed */ - if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) { - snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath); - syspath = path; - } - - test_device(udev, syspath); - test_device_devnum(udev); - test_device_subsys_name(udev); - test_device_parents(udev, syspath); - - test_enumerate(udev, subsystem); - - test_queue(udev); - - test_monitor(udev); + struct udev *udev = NULL; + static const struct option options[] = { + { "syspath", required_argument, NULL, 'p' }, + { "subsystem", required_argument, NULL, 's' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + {} + }; + const char *syspath = "/devices/virtual/mem/null"; + const char *subsystem = NULL; + char path[1024]; + const char *str; + + udev = udev_new(); + printf("context: %p\n", udev); + if (udev == NULL) { + printf("no context\n"); + return 1; + } + udev_set_log_fn(udev, log_fn); + printf("set log: %p\n", log_fn); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "+p:s:dhV", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'p': + syspath = optarg; + break; + case 's': + subsystem = optarg; + break; + case 'd': + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'h': + printf("--debug --syspath= --subsystem= --help\n"); + goto out; + case 'V': + printf("%s\n", VERSION); + goto out; + default: + goto out; + } + } + + str = udev_get_sys_path(udev); + printf("sys_path: '%s'\n", str); + str = udev_get_dev_path(udev); + printf("dev_path: '%s'\n", str); + + /* add sys path if needed */ + if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) { + snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath); + syspath = path; + } + + test_device(udev, syspath); + test_device_devnum(udev); + test_device_subsys_name(udev); + test_device_parents(udev, syspath); + + test_enumerate(udev, subsystem); + + test_queue(udev); + + test_monitor(udev); out: - udev_unref(udev); - return 0; + udev_unref(udev); + return 0; } diff --git a/src/test-udev.c b/src/test-udev.c index 8d5baf7f5..c9712e974 100644 --- a/src/test-udev.c +++ b/src/test-udev.c @@ -31,91 +31,91 @@ #include "udev.h" void udev_main_log(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) {} + const char *file, int line, const char *fn, + const char *format, va_list args) {} int main(int argc, char *argv[]) { - struct udev *udev; - struct udev_event *event = NULL; - struct udev_device *dev = NULL; - struct udev_rules *rules = NULL; - char syspath[UTIL_PATH_SIZE]; - const char *devpath; - const char *action; - sigset_t mask, sigmask_orig; - int err = -EINVAL; - - udev = udev_new(); - if (udev == NULL) - exit(1); - info(udev, "version %s\n", VERSION); - udev_selinux_init(udev); - - sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); - - action = argv[1]; - if (action == NULL) { - err(udev, "action missing\n"); - goto out; - } - - devpath = argv[2]; - if (devpath == NULL) { - err(udev, "devpath missing\n"); - goto out; - } - - rules = udev_rules_new(udev, 1); - - util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL); - dev = udev_device_new_from_syspath(udev, syspath); - if (dev == NULL) { - info(udev, "unknown device '%s'\n", devpath); - goto out; - } - - udev_device_set_action(dev, action); - event = udev_event_new(dev); - - sigfillset(&mask); - sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); - event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); - if (event->fd_signal < 0) { - fprintf(stderr, "error creating signalfd\n"); - goto out; - } - - /* do what devtmpfs usually provides us */ - if (udev_device_get_devnode(dev) != NULL) { - mode_t mode; - - if (strcmp(udev_device_get_subsystem(dev), "block") == 0) - mode |= S_IFBLK; - else - mode |= S_IFCHR; - - if (strcmp(action, "remove") != 0) { - util_create_path(udev, udev_device_get_devnode(dev)); - mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev)); - } else { - unlink(udev_device_get_devnode(dev)); - util_delete_path(udev, udev_device_get_devnode(dev)); - } - } - - err = udev_event_execute_rules(event, rules, &sigmask_orig); - if (err == 0) - udev_event_execute_run(event, NULL); + struct udev *udev; + struct udev_event *event = NULL; + struct udev_device *dev = NULL; + struct udev_rules *rules = NULL; + char syspath[UTIL_PATH_SIZE]; + const char *devpath; + const char *action; + sigset_t mask, sigmask_orig; + int err = -EINVAL; + + udev = udev_new(); + if (udev == NULL) + exit(1); + info(udev, "version %s\n", VERSION); + udev_selinux_init(udev); + + sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); + + action = argv[1]; + if (action == NULL) { + err(udev, "action missing\n"); + goto out; + } + + devpath = argv[2]; + if (devpath == NULL) { + err(udev, "devpath missing\n"); + goto out; + } + + rules = udev_rules_new(udev, 1); + + util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL); + dev = udev_device_new_from_syspath(udev, syspath); + if (dev == NULL) { + info(udev, "unknown device '%s'\n", devpath); + goto out; + } + + udev_device_set_action(dev, action); + event = udev_event_new(dev); + + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); + event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); + if (event->fd_signal < 0) { + fprintf(stderr, "error creating signalfd\n"); + goto out; + } + + /* do what devtmpfs usually provides us */ + if (udev_device_get_devnode(dev) != NULL) { + mode_t mode; + + if (strcmp(udev_device_get_subsystem(dev), "block") == 0) + mode |= S_IFBLK; + else + mode |= S_IFCHR; + + if (strcmp(action, "remove") != 0) { + util_create_path(udev, udev_device_get_devnode(dev)); + mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev)); + } else { + unlink(udev_device_get_devnode(dev)); + util_delete_path(udev, udev_device_get_devnode(dev)); + } + } + + err = udev_event_execute_rules(event, rules, &sigmask_orig); + if (err == 0) + udev_event_execute_run(event, NULL); out: - if (event != NULL && event->fd_signal >= 0) - close(event->fd_signal); - udev_event_unref(event); - udev_device_unref(dev); - udev_rules_unref(rules); - udev_selinux_exit(udev); - udev_unref(udev); - if (err != 0) - return 1; - return 0; + if (event != NULL && event->fd_signal >= 0) + close(event->fd_signal); + udev_event_unref(event); + udev_device_unref(dev); + udev_rules_unref(rules); + udev_selinux_exit(udev); + udev_unref(udev); + if (err != 0) + return 1; + return 0; } diff --git a/src/udev-builtin-blkid.c b/src/udev-builtin-blkid.c index 0260c440e..2056617db 100644 --- a/src/udev-builtin-blkid.c +++ b/src/udev-builtin-blkid.c @@ -33,175 +33,175 @@ static void print_property(struct udev_device *dev, bool test, const char *name, const char *value) { - char s[265]; + char s[265]; - s[0] = '\0'; + s[0] = '\0'; - if (!strcmp(name, "TYPE")) { - udev_builtin_add_property(dev, test, "ID_FS_TYPE", value); + if (!strcmp(name, "TYPE")) { + udev_builtin_add_property(dev, test, "ID_FS_TYPE", value); - } else if (!strcmp(name, "USAGE")) { - udev_builtin_add_property(dev, test, "ID_FS_USAGE", value); + } else if (!strcmp(name, "USAGE")) { + udev_builtin_add_property(dev, test, "ID_FS_USAGE", value); - } else if (!strcmp(name, "VERSION")) { - udev_builtin_add_property(dev, test, "ID_FS_VERSION", value); + } else if (!strcmp(name, "VERSION")) { + udev_builtin_add_property(dev, test, "ID_FS_VERSION", value); - } else if (!strcmp(name, "UUID")) { - blkid_safe_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID", s); - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID_ENC", s); + } else if (!strcmp(name, "UUID")) { + blkid_safe_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "ID_FS_UUID", s); + blkid_encode_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "ID_FS_UUID_ENC", s); - } else if (!strcmp(name, "UUID_SUB")) { - blkid_safe_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB", s); - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB_ENC", s); + } else if (!strcmp(name, "UUID_SUB")) { + blkid_safe_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB", s); + blkid_encode_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB_ENC", s); - } else if (!strcmp(name, "LABEL")) { - blkid_safe_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_LABEL", s); - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_LABEL_ENC", s); + } else if (!strcmp(name, "LABEL")) { + blkid_safe_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "ID_FS_LABEL", s); + blkid_encode_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "ID_FS_LABEL_ENC", s); - } else if (!strcmp(name, "PTTYPE")) { - udev_builtin_add_property(dev, test, "ID_PART_TABLE_TYPE", value); + } else if (!strcmp(name, "PTTYPE")) { + udev_builtin_add_property(dev, test, "ID_PART_TABLE_TYPE", value); - } else if (!strcmp(name, "PART_ENTRY_NAME")) { - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "PART_ENTRY_NAME", s); + } else if (!strcmp(name, "PART_ENTRY_NAME")) { + blkid_encode_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "PART_ENTRY_NAME", s); - } else if (!strcmp(name, "PART_ENTRY_TYPE")) { - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "PART_ENTRY_TYPE", s); + } else if (!strcmp(name, "PART_ENTRY_TYPE")) { + blkid_encode_string(value, s, sizeof(s)); + udev_builtin_add_property(dev, test, "PART_ENTRY_TYPE", s); - } else if (!strncmp(name, "PART_ENTRY_", 11)) { - util_strscpyl(s, sizeof(s), "ID_", name, NULL); - udev_builtin_add_property(dev, test, name, value); - } + } else if (!strncmp(name, "PART_ENTRY_", 11)) { + util_strscpyl(s, sizeof(s), "ID_", name, NULL); + udev_builtin_add_property(dev, test, name, value); + } } static int probe_superblocks(blkid_probe pr) { - struct stat st; - int rc; + struct stat st; + int rc; - if (fstat(blkid_probe_get_fd(pr), &st)) - return -1; + if (fstat(blkid_probe_get_fd(pr), &st)) + return -1; - blkid_probe_enable_partitions(pr, 1); + blkid_probe_enable_partitions(pr, 1); - if (!S_ISCHR(st.st_mode) && blkid_probe_get_size(pr) <= 1024 * 1440 && - blkid_probe_is_wholedisk(pr)) { - /* - * check if the small disk is partitioned, if yes then - * don't probe for filesystems. - */ - blkid_probe_enable_superblocks(pr, 0); + if (!S_ISCHR(st.st_mode) && blkid_probe_get_size(pr) <= 1024 * 1440 && + blkid_probe_is_wholedisk(pr)) { + /* + * check if the small disk is partitioned, if yes then + * don't probe for filesystems. + */ + blkid_probe_enable_superblocks(pr, 0); - rc = blkid_do_fullprobe(pr); - if (rc < 0) - return rc; /* -1 = error, 1 = nothing, 0 = succes */ + rc = blkid_do_fullprobe(pr); + if (rc < 0) + return rc; /* -1 = error, 1 = nothing, 0 = succes */ - if (blkid_probe_lookup_value(pr, "PTTYPE", NULL, NULL) == 0) - return 0; /* partition table detected */ - } + if (blkid_probe_lookup_value(pr, "PTTYPE", NULL, NULL) == 0) + return 0; /* partition table detected */ + } - blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS); - blkid_probe_enable_superblocks(pr, 1); + blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS); + blkid_probe_enable_superblocks(pr, 1); - return blkid_do_safeprobe(pr); + return blkid_do_safeprobe(pr); } static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev *udev = udev_device_get_udev(dev); - int64_t offset = 0; - bool noraid = false; - int fd = -1; - blkid_probe pr; - const char *data; - const char *name; - int nvals; - int i; - size_t len; - int err = 0; - - static const struct option options[] = { - { "offset", optional_argument, NULL, 'o' }, - { "noraid", no_argument, NULL, 'R' }, - {} - }; - - for (;;) { - int option; - - option = getopt_long(argc, argv, "oR", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'o': - offset = strtoull(optarg, NULL, 0); - break; - case 'R': - noraid = true; - break; - } - } - - pr = blkid_new_probe(); - if (!pr) { - err = -ENOMEM; - return EXIT_FAILURE; - } - - blkid_probe_set_superblocks_flags(pr, - BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID | - BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE | - BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION); - - if (noraid) - blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID); - - fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC); - if (fd < 0) { - fprintf(stderr, "error: %s: %m\n", udev_device_get_devnode(dev)); - goto out; - } - - err = blkid_probe_set_device(pr, fd, offset, 0); - if (err < 0) - goto out; - - info(udev, "probe %s %sraid offset=%llu\n", - udev_device_get_devnode(dev), - noraid ? "no" : "", (unsigned long long) offset); - - err = probe_superblocks(pr); - if (err < 0) - goto out; - - nvals = blkid_probe_numof_values(pr); - for (i = 0; i < nvals; i++) { - if (blkid_probe_get_value(pr, i, &name, &data, &len)) - continue; - len = strnlen((char *) data, len); - print_property(dev, test, name, (char *) data); - } - - blkid_free_probe(pr); + struct udev *udev = udev_device_get_udev(dev); + int64_t offset = 0; + bool noraid = false; + int fd = -1; + blkid_probe pr; + const char *data; + const char *name; + int nvals; + int i; + size_t len; + int err = 0; + + static const struct option options[] = { + { "offset", optional_argument, NULL, 'o' }, + { "noraid", no_argument, NULL, 'R' }, + {} + }; + + for (;;) { + int option; + + option = getopt_long(argc, argv, "oR", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'o': + offset = strtoull(optarg, NULL, 0); + break; + case 'R': + noraid = true; + break; + } + } + + pr = blkid_new_probe(); + if (!pr) { + err = -ENOMEM; + return EXIT_FAILURE; + } + + blkid_probe_set_superblocks_flags(pr, + BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID | + BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE | + BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION); + + if (noraid) + blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID); + + fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC); + if (fd < 0) { + fprintf(stderr, "error: %s: %m\n", udev_device_get_devnode(dev)); + goto out; + } + + err = blkid_probe_set_device(pr, fd, offset, 0); + if (err < 0) + goto out; + + info(udev, "probe %s %sraid offset=%llu\n", + udev_device_get_devnode(dev), + noraid ? "no" : "", (unsigned long long) offset); + + err = probe_superblocks(pr); + if (err < 0) + goto out; + + nvals = blkid_probe_numof_values(pr); + for (i = 0; i < nvals; i++) { + if (blkid_probe_get_value(pr, i, &name, &data, &len)) + continue; + len = strnlen((char *) data, len); + print_property(dev, test, name, (char *) data); + } + + blkid_free_probe(pr); out: - if (fd > 0) - close(fd); - if (err < 0) - return EXIT_FAILURE; - return EXIT_SUCCESS; + if (fd > 0) + close(fd); + if (err < 0) + return EXIT_FAILURE; + return EXIT_SUCCESS; } const struct udev_builtin udev_builtin_blkid = { - .name = "blkid", - .cmd = builtin_blkid, - .help = "filesystem and partition probing", - .run_once = true, + .name = "blkid", + .cmd = builtin_blkid, + .help = "filesystem and partition probing", + .run_once = true, }; diff --git a/src/udev-builtin-firmware.c b/src/udev-builtin-firmware.c index 6d03085af..d212c64b4 100644 --- a/src/udev-builtin-firmware.c +++ b/src/udev-builtin-firmware.c @@ -29,140 +29,140 @@ static bool set_loading(struct udev *udev, char *loadpath, const char *state) { - FILE *ldfile; - - ldfile = fopen(loadpath, "we"); - if (ldfile == NULL) { - err(udev, "error: can not open '%s'\n", loadpath); - return false; - }; - fprintf(ldfile, "%s\n", state); - fclose(ldfile); - return true; + FILE *ldfile; + + ldfile = fopen(loadpath, "we"); + if (ldfile == NULL) { + err(udev, "error: can not open '%s'\n", loadpath); + return false; + }; + fprintf(ldfile, "%s\n", state); + fclose(ldfile); + return true; } static bool copy_firmware(struct udev *udev, const char *source, const char *target, size_t size) { - char *buf; - FILE *fsource = NULL, *ftarget = NULL; - bool ret = false; - - buf = malloc(size); - if (buf == NULL) { - err(udev,"No memory available to load firmware file"); - return false; - } - - info(udev, "writing '%s' (%zi) to '%s'\n", source, size, target); - - fsource = fopen(source, "re"); - if (fsource == NULL) - goto exit; - ftarget = fopen(target, "we"); - if (ftarget == NULL) - goto exit; - if (fread(buf, size, 1, fsource) != 1) - goto exit; - if (fwrite(buf, size, 1, ftarget) == 1) - ret = true; + char *buf; + FILE *fsource = NULL, *ftarget = NULL; + bool ret = false; + + buf = malloc(size); + if (buf == NULL) { + err(udev,"No memory available to load firmware file"); + return false; + } + + info(udev, "writing '%s' (%zi) to '%s'\n", source, size, target); + + fsource = fopen(source, "re"); + if (fsource == NULL) + goto exit; + ftarget = fopen(target, "we"); + if (ftarget == NULL) + goto exit; + if (fread(buf, size, 1, fsource) != 1) + goto exit; + if (fwrite(buf, size, 1, ftarget) == 1) + ret = true; exit: - if (ftarget != NULL) - fclose(ftarget); - if (fsource != NULL) - fclose(fsource); - free(buf); - return ret; + if (ftarget != NULL) + fclose(ftarget); + if (fsource != NULL) + fclose(fsource); + free(buf); + return ret; } static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev *udev = udev_device_get_udev(dev); - static const char *searchpath[] = { FIRMWARE_PATH }; - char fwencpath[UTIL_PATH_SIZE]; - char misspath[UTIL_PATH_SIZE]; - char loadpath[UTIL_PATH_SIZE]; - char datapath[UTIL_PATH_SIZE]; - char fwpath[UTIL_PATH_SIZE]; - const char *firmware; - FILE *fwfile; - struct utsname kernel; - struct stat statbuf; - unsigned int i; - int rc = EXIT_SUCCESS; - - firmware = udev_device_get_property_value(dev, "FIRMWARE"); - if (firmware == NULL) { - err(udev, "firmware parameter missing\n\n"); - rc = EXIT_FAILURE; - goto exit; - } - - /* lookup firmware file */ - uname(&kernel); - for (i = 0; i < ARRAY_SIZE(searchpath); i++) { - util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL); - dbg(udev, "trying %s\n", fwpath); - fwfile = fopen(fwpath, "re"); - if (fwfile != NULL) - break; - - util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL); - dbg(udev, "trying %s\n", fwpath); - fwfile = fopen(fwpath, "re"); - if (fwfile != NULL) - break; - } - - util_path_encode(firmware, fwencpath, sizeof(fwencpath)); - util_strscpyl(misspath, sizeof(misspath), udev_get_run_path(udev), "/firmware-missing/", fwencpath, NULL); - util_strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL); - - if (fwfile == NULL) { - int err; - - /* This link indicates the missing firmware file and the associated device */ - info(udev, "did not find firmware file '%s'\n", firmware); - do { - err = util_create_path(udev, misspath); - if (err != 0 && err != -ENOENT) - break; - err = symlink(udev_device_get_devpath(dev), misspath); - if (err != 0) - err = -errno; - } while (err == -ENOENT); - rc = EXIT_FAILURE; - set_loading(udev, loadpath, "-1"); - goto exit; - } - - if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) { - rc = EXIT_FAILURE; - goto exit; - } - if (unlink(misspath) == 0) - util_delete_path(udev, misspath); - - if (!set_loading(udev, loadpath, "1")) - goto exit; - - util_strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL); - if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) { - err(udev, "error sending firmware '%s' to device\n", firmware); - set_loading(udev, loadpath, "-1"); - rc = EXIT_FAILURE; - goto exit; - }; - - set_loading(udev, loadpath, "0"); + struct udev *udev = udev_device_get_udev(dev); + static const char *searchpath[] = { FIRMWARE_PATH }; + char fwencpath[UTIL_PATH_SIZE]; + char misspath[UTIL_PATH_SIZE]; + char loadpath[UTIL_PATH_SIZE]; + char datapath[UTIL_PATH_SIZE]; + char fwpath[UTIL_PATH_SIZE]; + const char *firmware; + FILE *fwfile; + struct utsname kernel; + struct stat statbuf; + unsigned int i; + int rc = EXIT_SUCCESS; + + firmware = udev_device_get_property_value(dev, "FIRMWARE"); + if (firmware == NULL) { + err(udev, "firmware parameter missing\n\n"); + rc = EXIT_FAILURE; + goto exit; + } + + /* lookup firmware file */ + uname(&kernel); + for (i = 0; i < ARRAY_SIZE(searchpath); i++) { + util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL); + dbg(udev, "trying %s\n", fwpath); + fwfile = fopen(fwpath, "re"); + if (fwfile != NULL) + break; + + util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL); + dbg(udev, "trying %s\n", fwpath); + fwfile = fopen(fwpath, "re"); + if (fwfile != NULL) + break; + } + + util_path_encode(firmware, fwencpath, sizeof(fwencpath)); + util_strscpyl(misspath, sizeof(misspath), udev_get_run_path(udev), "/firmware-missing/", fwencpath, NULL); + util_strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL); + + if (fwfile == NULL) { + int err; + + /* This link indicates the missing firmware file and the associated device */ + info(udev, "did not find firmware file '%s'\n", firmware); + do { + err = util_create_path(udev, misspath); + if (err != 0 && err != -ENOENT) + break; + err = symlink(udev_device_get_devpath(dev), misspath); + if (err != 0) + err = -errno; + } while (err == -ENOENT); + rc = EXIT_FAILURE; + set_loading(udev, loadpath, "-1"); + goto exit; + } + + if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) { + rc = EXIT_FAILURE; + goto exit; + } + if (unlink(misspath) == 0) + util_delete_path(udev, misspath); + + if (!set_loading(udev, loadpath, "1")) + goto exit; + + util_strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL); + if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) { + err(udev, "error sending firmware '%s' to device\n", firmware); + set_loading(udev, loadpath, "-1"); + rc = EXIT_FAILURE; + goto exit; + }; + + set_loading(udev, loadpath, "0"); exit: - if (fwfile) - fclose(fwfile); - return rc; + if (fwfile) + fclose(fwfile); + return rc; } const struct udev_builtin udev_builtin_firmware = { - .name = "firmware", - .cmd = builtin_firmware, - .help = "kernel firmware loader", - .run_once = true, + .name = "firmware", + .cmd = builtin_firmware, + .help = "kernel firmware loader", + .run_once = true, }; diff --git a/src/udev-builtin-hwdb.c b/src/udev-builtin-hwdb.c index b6af4b6fc..aa996f375 100644 --- a/src/udev-builtin-hwdb.c +++ b/src/udev-builtin-hwdb.c @@ -28,220 +28,220 @@ #include "udev.h" static int get_id_attr( - struct udev_device *parent, - const char *name, - uint16_t *value) { + struct udev_device *parent, + const char *name, + uint16_t *value) { - const char *t; - unsigned u; + const char *t; + unsigned u; - if (!(t = udev_device_get_sysattr_value(parent, name))) { - fprintf(stderr, "%s lacks %s.\n", udev_device_get_syspath(parent), name); - return -1; - } + if (!(t = udev_device_get_sysattr_value(parent, name))) { + fprintf(stderr, "%s lacks %s.\n", udev_device_get_syspath(parent), name); + return -1; + } - if (!strncmp(t, "0x", 2)) - t += 2; + if (!strncmp(t, "0x", 2)) + t += 2; - if (sscanf(t, "%04x", &u) != 1 || u > 0xFFFFU) { - fprintf(stderr, "Failed to parse %s on %s.\n", name, udev_device_get_syspath(parent)); - return -1; - } + if (sscanf(t, "%04x", &u) != 1 || u > 0xFFFFU) { + fprintf(stderr, "Failed to parse %s on %s.\n", name, udev_device_get_syspath(parent)); + return -1; + } - *value = (uint16_t) u; - return 0; + *value = (uint16_t) u; + return 0; } static int get_vid_pid( - struct udev_device *parent, - const char *vendor_attr, - const char *product_attr, - uint16_t *vid, - uint16_t *pid) { - - if (get_id_attr(parent, vendor_attr, vid) < 0) - return -1; - else if (*vid <= 0) { - fprintf(stderr, "Invalid vendor id.\n"); - return -1; - } - - if (get_id_attr(parent, product_attr, pid) < 0) - return -1; - - return 0; + struct udev_device *parent, + const char *vendor_attr, + const char *product_attr, + uint16_t *vid, + uint16_t *pid) { + + if (get_id_attr(parent, vendor_attr, vid) < 0) + return -1; + else if (*vid <= 0) { + fprintf(stderr, "Invalid vendor id.\n"); + return -1; + } + + if (get_id_attr(parent, product_attr, pid) < 0) + return -1; + + return 0; } static void rstrip(char *n) { - size_t i; + size_t i; - for (i = strlen(n); i > 0 && isspace(n[i-1]); i--) - n[i-1] = 0; + for (i = strlen(n); i > 0 && isspace(n[i-1]); i--) + n[i-1] = 0; } #define HEXCHARS "0123456789abcdefABCDEF" #define WHITESPACE " \t\n\r" static int lookup_vid_pid(const char *database, - uint16_t vid, uint16_t pid, - char **vendor, char **product) + uint16_t vid, uint16_t pid, + char **vendor, char **product) { - FILE *f; - int ret = -1; - int found_vendor = 0; - char *line = NULL; + FILE *f; + int ret = -1; + int found_vendor = 0; + char *line = NULL; - *vendor = *product = NULL; + *vendor = *product = NULL; - if (!(f = fopen(database, "rme"))) { - fprintf(stderr, "Failed to open database file '%s': %s\n", database, strerror(errno)); - return -1; - } + if (!(f = fopen(database, "rme"))) { + fprintf(stderr, "Failed to open database file '%s': %s\n", database, strerror(errno)); + return -1; + } - for (;;) { - size_t n; + for (;;) { + size_t n; - if (getline(&line, &n, f) < 0) - break; + if (getline(&line, &n, f) < 0) + break; - rstrip(line); + rstrip(line); - if (line[0] == '#' || line[0] == 0) - continue; + if (line[0] == '#' || line[0] == 0) + continue; - if (strspn(line, HEXCHARS) == 4) { - unsigned u; + if (strspn(line, HEXCHARS) == 4) { + unsigned u; - if (found_vendor) - break; + if (found_vendor) + break; - if (sscanf(line, "%04x", &u) == 1 && u == vid) { - char *t; + if (sscanf(line, "%04x", &u) == 1 && u == vid) { + char *t; - t = line+4; - t += strspn(t, WHITESPACE); + t = line+4; + t += strspn(t, WHITESPACE); - if (!(*vendor = strdup(t))) { - fprintf(stderr, "Out of memory.\n"); - goto finish; - } + if (!(*vendor = strdup(t))) { + fprintf(stderr, "Out of memory.\n"); + goto finish; + } - found_vendor = 1; - } + found_vendor = 1; + } - continue; - } + continue; + } - if (found_vendor && line[0] == '\t' && strspn(line+1, HEXCHARS) == 4) { - unsigned u; + if (found_vendor && line[0] == '\t' && strspn(line+1, HEXCHARS) == 4) { + unsigned u; - if (sscanf(line+1, "%04x", &u) == 1 && u == pid) { - char *t; + if (sscanf(line+1, "%04x", &u) == 1 && u == pid) { + char *t; - t = line+5; - t += strspn(t, WHITESPACE); + t = line+5; + t += strspn(t, WHITESPACE); - if (!(*product = strdup(t))) { - fprintf(stderr, "Out of memory.\n"); - goto finish; - } + if (!(*product = strdup(t))) { + fprintf(stderr, "Out of memory.\n"); + goto finish; + } - break; - } - } - } + break; + } + } + } - ret = 0; + ret = 0; finish: - free(line); - fclose(f); + free(line); + fclose(f); - if (ret < 0) { - free(*product); - free(*vendor); + if (ret < 0) { + free(*product); + free(*vendor); - *product = *vendor = NULL; - } + *product = *vendor = NULL; + } - return ret; + return ret; } static struct udev_device *find_device(struct udev_device *dev, const char *subsys, const char *devtype) { - const char *str; - - str = udev_device_get_subsystem(dev); - if (str == NULL) - goto try_parent; - if (strcmp(str, subsys) != 0) - goto try_parent; - - if (devtype != NULL) { - str = udev_device_get_devtype(dev); - if (str == NULL) - goto try_parent; - if (strcmp(str, devtype) != 0) - goto try_parent; - } - return dev; + const char *str; + + str = udev_device_get_subsystem(dev); + if (str == NULL) + goto try_parent; + if (strcmp(str, subsys) != 0) + goto try_parent; + + if (devtype != NULL) { + str = udev_device_get_devtype(dev); + if (str == NULL) + goto try_parent; + if (strcmp(str, devtype) != 0) + goto try_parent; + } + return dev; try_parent: - return udev_device_get_parent_with_subsystem_devtype(dev, subsys, devtype); + return udev_device_get_parent_with_subsystem_devtype(dev, subsys, devtype); } static int builtin_db(struct udev_device *dev, bool test, - const char *database, - const char *vendor_attr, const char *product_attr, - const char *subsys, const char *devtype) + const char *database, + const char *vendor_attr, const char *product_attr, + const char *subsys, const char *devtype) { - struct udev_device *parent; - uint16_t vid = 0, pid = 0; - char *vendor = NULL, *product = NULL; + struct udev_device *parent; + uint16_t vid = 0, pid = 0; + char *vendor = NULL, *product = NULL; - parent = find_device(dev, subsys, devtype); - if (!parent) { - fprintf(stderr, "Failed to find device.\n"); - goto finish; - } + parent = find_device(dev, subsys, devtype); + if (!parent) { + fprintf(stderr, "Failed to find device.\n"); + goto finish; + } - if (get_vid_pid(parent, vendor_attr, product_attr, &vid, &pid) < 0) - goto finish; + if (get_vid_pid(parent, vendor_attr, product_attr, &vid, &pid) < 0) + goto finish; - if (lookup_vid_pid(database, vid, pid, &vendor, &product) < 0) - goto finish; + if (lookup_vid_pid(database, vid, pid, &vendor, &product) < 0) + goto finish; - if (vendor) - udev_builtin_add_property(dev, test, "ID_VENDOR_FROM_DATABASE", vendor); - if (product) - udev_builtin_add_property(dev, test, "ID_MODEL_FROM_DATABASE", product); + if (vendor) + udev_builtin_add_property(dev, test, "ID_VENDOR_FROM_DATABASE", vendor); + if (product) + udev_builtin_add_property(dev, test, "ID_MODEL_FROM_DATABASE", product); finish: - free(vendor); - free(product); - return 0; + free(vendor); + free(product); + return 0; } static int builtin_usb_db(struct udev_device *dev, int argc, char *argv[], bool test) { - return builtin_db(dev, test, USB_DATABASE, "idVendor", "idProduct", "usb", "usb_device"); + return builtin_db(dev, test, USB_DATABASE, "idVendor", "idProduct", "usb", "usb_device"); } static int builtin_pci_db(struct udev_device *dev, int argc, char *argv[], bool test) { - return builtin_db(dev, test, PCI_DATABASE, "vendor", "device", "pci", NULL); + return builtin_db(dev, test, PCI_DATABASE, "vendor", "device", "pci", NULL); } const struct udev_builtin udev_builtin_usb_db = { - .name = "usb-db", - .cmd = builtin_usb_db, - .help = "USB vendor/product database", - .run_once = true, + .name = "usb-db", + .cmd = builtin_usb_db, + .help = "USB vendor/product database", + .run_once = true, }; const struct udev_builtin udev_builtin_pci_db = { - .name = "pci-db", - .cmd = builtin_pci_db, - .help = "PCI vendor/product database", - .run_once = true, + .name = "pci-db", + .cmd = builtin_pci_db, + .help = "PCI vendor/product database", + .run_once = true, }; diff --git a/src/udev-builtin-input_id.c b/src/udev-builtin-input_id.c index c0c427025..a062ef7c7 100644 --- a/src/udev-builtin-input_id.c +++ b/src/udev-builtin-input_id.c @@ -45,174 +45,174 @@ * @param bitmask: Output array which has a sizeof of bitmask_size */ static void get_cap_mask(struct udev_device *dev, - struct udev_device *pdev, const char* attr, - unsigned long *bitmask, size_t bitmask_size, - bool test) + struct udev_device *pdev, const char* attr, + unsigned long *bitmask, size_t bitmask_size, + bool test) { - struct udev *udev = udev_device_get_udev(dev); - char text[4096]; - unsigned i; - char* word; - unsigned long val; - - snprintf(text, sizeof(text), "%s", udev_device_get_sysattr_value(pdev, attr)); - info(udev, "%s raw kernel attribute: %s\n", attr, text); - - memset (bitmask, 0, bitmask_size); - i = 0; - while ((word = strrchr(text, ' ')) != NULL) { - val = strtoul (word+1, NULL, 16); - if (i < bitmask_size/sizeof(unsigned long)) - bitmask[i] = val; - else - info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val); - *word = '\0'; - ++i; - } - val = strtoul (text, NULL, 16); - if (i < bitmask_size / sizeof(unsigned long)) - bitmask[i] = val; - else - info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val); - - if (test) { - /* printf pattern with the right unsigned long number of hex chars */ - snprintf(text, sizeof(text), " bit %%4u: %%0%zilX\n", 2 * sizeof(unsigned long)); - info(udev, "%s decoded bit map:\n", attr); - val = bitmask_size / sizeof (unsigned long); - /* skip over leading zeros */ - while (bitmask[val-1] == 0 && val > 0) - --val; - for (i = 0; i < val; ++i) - info(udev, text, i * BITS_PER_LONG, bitmask[i]); - } + struct udev *udev = udev_device_get_udev(dev); + char text[4096]; + unsigned i; + char* word; + unsigned long val; + + snprintf(text, sizeof(text), "%s", udev_device_get_sysattr_value(pdev, attr)); + info(udev, "%s raw kernel attribute: %s\n", attr, text); + + memset (bitmask, 0, bitmask_size); + i = 0; + while ((word = strrchr(text, ' ')) != NULL) { + val = strtoul (word+1, NULL, 16); + if (i < bitmask_size/sizeof(unsigned long)) + bitmask[i] = val; + else + info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val); + *word = '\0'; + ++i; + } + val = strtoul (text, NULL, 16); + if (i < bitmask_size / sizeof(unsigned long)) + bitmask[i] = val; + else + info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val); + + if (test) { + /* printf pattern with the right unsigned long number of hex chars */ + snprintf(text, sizeof(text), " bit %%4u: %%0%zilX\n", 2 * sizeof(unsigned long)); + info(udev, "%s decoded bit map:\n", attr); + val = bitmask_size / sizeof (unsigned long); + /* skip over leading zeros */ + while (bitmask[val-1] == 0 && val > 0) + --val; + for (i = 0; i < val; ++i) + info(udev, text, i * BITS_PER_LONG, bitmask[i]); + } } /* pointer devices */ static void test_pointers (struct udev_device *dev, - const unsigned long* bitmask_ev, - const unsigned long* bitmask_abs, - const unsigned long* bitmask_key, - const unsigned long* bitmask_rel, - bool test) + const unsigned long* bitmask_ev, + const unsigned long* bitmask_abs, + const unsigned long* bitmask_key, + const unsigned long* bitmask_rel, + bool test) { - int is_mouse = 0; - int is_touchpad = 0; - - if (!test_bit (EV_KEY, bitmask_ev)) { - if (test_bit (EV_ABS, bitmask_ev) && - test_bit (ABS_X, bitmask_abs) && - test_bit (ABS_Y, bitmask_abs) && - test_bit (ABS_Z, bitmask_abs)) - udev_builtin_add_property(dev, test, "ID_INPUT_ACCELEROMETER", "1"); - return; - } - - if (test_bit (EV_ABS, bitmask_ev) && - test_bit (ABS_X, bitmask_abs) && test_bit (ABS_Y, bitmask_abs)) { - if (test_bit (BTN_STYLUS, bitmask_key) || test_bit (BTN_TOOL_PEN, bitmask_key)) - udev_builtin_add_property(dev, test, "ID_INPUT_TABLET", "1"); - else if (test_bit (BTN_TOOL_FINGER, bitmask_key) && !test_bit (BTN_TOOL_PEN, bitmask_key)) - is_touchpad = 1; - else if (test_bit (BTN_TRIGGER, bitmask_key) || - test_bit (BTN_A, bitmask_key) || - test_bit (BTN_1, bitmask_key)) - udev_builtin_add_property(dev, test, "ID_INPUT_JOYSTICK", "1"); - else if (test_bit (BTN_MOUSE, bitmask_key)) - /* This path is taken by VMware's USB mouse, which has - * absolute axes, but no touch/pressure button. */ - is_mouse = 1; - else if (test_bit (BTN_TOUCH, bitmask_key)) - udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHSCREEN", "1"); - } - - if (test_bit (EV_REL, bitmask_ev) && - test_bit (REL_X, bitmask_rel) && test_bit (REL_Y, bitmask_rel) && - test_bit (BTN_MOUSE, bitmask_key)) - is_mouse = 1; - - if (is_mouse) - udev_builtin_add_property(dev, test, "ID_INPUT_MOUSE", "1"); - if (is_touchpad) - udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHPAD", "1"); + int is_mouse = 0; + int is_touchpad = 0; + + if (!test_bit (EV_KEY, bitmask_ev)) { + if (test_bit (EV_ABS, bitmask_ev) && + test_bit (ABS_X, bitmask_abs) && + test_bit (ABS_Y, bitmask_abs) && + test_bit (ABS_Z, bitmask_abs)) + udev_builtin_add_property(dev, test, "ID_INPUT_ACCELEROMETER", "1"); + return; + } + + if (test_bit (EV_ABS, bitmask_ev) && + test_bit (ABS_X, bitmask_abs) && test_bit (ABS_Y, bitmask_abs)) { + if (test_bit (BTN_STYLUS, bitmask_key) || test_bit (BTN_TOOL_PEN, bitmask_key)) + udev_builtin_add_property(dev, test, "ID_INPUT_TABLET", "1"); + else if (test_bit (BTN_TOOL_FINGER, bitmask_key) && !test_bit (BTN_TOOL_PEN, bitmask_key)) + is_touchpad = 1; + else if (test_bit (BTN_TRIGGER, bitmask_key) || + test_bit (BTN_A, bitmask_key) || + test_bit (BTN_1, bitmask_key)) + udev_builtin_add_property(dev, test, "ID_INPUT_JOYSTICK", "1"); + else if (test_bit (BTN_MOUSE, bitmask_key)) + /* This path is taken by VMware's USB mouse, which has + * absolute axes, but no touch/pressure button. */ + is_mouse = 1; + else if (test_bit (BTN_TOUCH, bitmask_key)) + udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHSCREEN", "1"); + } + + if (test_bit (EV_REL, bitmask_ev) && + test_bit (REL_X, bitmask_rel) && test_bit (REL_Y, bitmask_rel) && + test_bit (BTN_MOUSE, bitmask_key)) + is_mouse = 1; + + if (is_mouse) + udev_builtin_add_property(dev, test, "ID_INPUT_MOUSE", "1"); + if (is_touchpad) + udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHPAD", "1"); } /* key like devices */ static void test_key (struct udev_device *dev, - const unsigned long* bitmask_ev, - const unsigned long* bitmask_key, - bool test) + const unsigned long* bitmask_ev, + const unsigned long* bitmask_key, + bool test) { - struct udev *udev = udev_device_get_udev(dev); - unsigned i; - unsigned long found; - unsigned long mask; - - /* do we have any KEY_* capability? */ - if (!test_bit (EV_KEY, bitmask_ev)) { - info(udev, "test_key: no EV_KEY capability\n"); - return; - } - - /* only consider KEY_* here, not BTN_* */ - found = 0; - for (i = 0; i < BTN_MISC/BITS_PER_LONG; ++i) { - found |= bitmask_key[i]; - info(udev, "test_key: checking bit block %lu for any keys; found=%i\n", i*BITS_PER_LONG, found > 0); - } - /* If there are no keys in the lower block, check the higher block */ - if (!found) { - for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) { - if (test_bit (i, bitmask_key)) { - info(udev, "test_key: Found key %x in high block\n", i); - found = 1; - break; - } - } - } - - if (found > 0) - udev_builtin_add_property(dev, test, "ID_INPUT_KEY", "1"); - - /* the first 32 bits are ESC, numbers, and Q to D; if we have all of - * those, consider it a full keyboard; do not test KEY_RESERVED, though */ - mask = 0xFFFFFFFE; - if ((bitmask_key[0] & mask) == mask) - udev_builtin_add_property(dev, test, "ID_INPUT_KEYBOARD", "1"); + struct udev *udev = udev_device_get_udev(dev); + unsigned i; + unsigned long found; + unsigned long mask; + + /* do we have any KEY_* capability? */ + if (!test_bit (EV_KEY, bitmask_ev)) { + info(udev, "test_key: no EV_KEY capability\n"); + return; + } + + /* only consider KEY_* here, not BTN_* */ + found = 0; + for (i = 0; i < BTN_MISC/BITS_PER_LONG; ++i) { + found |= bitmask_key[i]; + info(udev, "test_key: checking bit block %lu for any keys; found=%i\n", i*BITS_PER_LONG, found > 0); + } + /* If there are no keys in the lower block, check the higher block */ + if (!found) { + for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) { + if (test_bit (i, bitmask_key)) { + info(udev, "test_key: Found key %x in high block\n", i); + found = 1; + break; + } + } + } + + if (found > 0) + udev_builtin_add_property(dev, test, "ID_INPUT_KEY", "1"); + + /* the first 32 bits are ESC, numbers, and Q to D; if we have all of + * those, consider it a full keyboard; do not test KEY_RESERVED, though */ + mask = 0xFFFFFFFE; + if ((bitmask_key[0] & mask) == mask) + udev_builtin_add_property(dev, test, "ID_INPUT_KEYBOARD", "1"); } static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev_device *pdev; - unsigned long bitmask_ev[NBITS(EV_MAX)]; - unsigned long bitmask_abs[NBITS(ABS_MAX)]; - unsigned long bitmask_key[NBITS(KEY_MAX)]; - unsigned long bitmask_rel[NBITS(REL_MAX)]; - - /* walk up the parental chain until we find the real input device; the - * argument is very likely a subdevice of this, like eventN */ - pdev = dev; - while (pdev != NULL && udev_device_get_sysattr_value(pdev, "capabilities/ev") == NULL) - pdev = udev_device_get_parent_with_subsystem_devtype(pdev, "input", NULL); - - /* not an "input" class device */ - if (pdev == NULL) - return EXIT_SUCCESS; - - /* Use this as a flag that input devices were detected, so that this - * program doesn't need to be called more than once per device */ - udev_builtin_add_property(dev, test, "ID_INPUT", "1"); - get_cap_mask(dev, pdev, "capabilities/ev", bitmask_ev, sizeof(bitmask_ev), test); - get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test); - get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test); - get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test); - test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test); - test_key(dev, bitmask_ev, bitmask_key, test); - return EXIT_SUCCESS; + struct udev_device *pdev; + unsigned long bitmask_ev[NBITS(EV_MAX)]; + unsigned long bitmask_abs[NBITS(ABS_MAX)]; + unsigned long bitmask_key[NBITS(KEY_MAX)]; + unsigned long bitmask_rel[NBITS(REL_MAX)]; + + /* walk up the parental chain until we find the real input device; the + * argument is very likely a subdevice of this, like eventN */ + pdev = dev; + while (pdev != NULL && udev_device_get_sysattr_value(pdev, "capabilities/ev") == NULL) + pdev = udev_device_get_parent_with_subsystem_devtype(pdev, "input", NULL); + + /* not an "input" class device */ + if (pdev == NULL) + return EXIT_SUCCESS; + + /* Use this as a flag that input devices were detected, so that this + * program doesn't need to be called more than once per device */ + udev_builtin_add_property(dev, test, "ID_INPUT", "1"); + get_cap_mask(dev, pdev, "capabilities/ev", bitmask_ev, sizeof(bitmask_ev), test); + get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test); + get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test); + get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test); + test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test); + test_key(dev, bitmask_ev, bitmask_key, test); + return EXIT_SUCCESS; } const struct udev_builtin udev_builtin_input_id = { - .name = "input_id", - .cmd = builtin_input_id, - .help = "input device properties", + .name = "input_id", + .cmd = builtin_input_id, + .help = "input device properties", }; diff --git a/src/udev-builtin-kmod.c b/src/udev-builtin-kmod.c index 68536f17f..d0a1f28e2 100644 --- a/src/udev-builtin-kmod.c +++ b/src/udev-builtin-kmod.c @@ -35,114 +35,114 @@ static struct kmod_ctx *ctx; static int load_module(struct udev *udev, const char *alias) { - struct kmod_list *list = NULL; - struct kmod_list *listb = NULL; - struct kmod_list *l; - int err; - - err = kmod_module_new_from_lookup(ctx, alias, &list); - if (err < 0) - return err; - - err = kmod_module_get_filtered_blacklist(ctx, list, &listb); - if (err < 0) - return err; - - if (list == NULL) - info(udev, "no module matches '%s'\n", alias); - else if (listb == NULL) - info(udev, "modules matching '%s' are blacklisted\n", alias); - - kmod_list_foreach(l, listb) { - struct kmod_module *mod = kmod_module_get_module(l); - - err = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL); - if (err >=0 ) - info(udev, "inserted '%s'\n", kmod_module_get_name(mod)); - else - info(udev, "failed to insert '%s'\n", kmod_module_get_name(mod)); - - kmod_module_unref(mod); - } - - kmod_module_unref_list(list); - kmod_module_unref_list(listb); - return err; + struct kmod_list *list = NULL; + struct kmod_list *listb = NULL; + struct kmod_list *l; + int err; + + err = kmod_module_new_from_lookup(ctx, alias, &list); + if (err < 0) + return err; + + err = kmod_module_get_filtered_blacklist(ctx, list, &listb); + if (err < 0) + return err; + + if (list == NULL) + info(udev, "no module matches '%s'\n", alias); + else if (listb == NULL) + info(udev, "modules matching '%s' are blacklisted\n", alias); + + kmod_list_foreach(l, listb) { + struct kmod_module *mod = kmod_module_get_module(l); + + err = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL); + if (err >=0 ) + info(udev, "inserted '%s'\n", kmod_module_get_name(mod)); + else + info(udev, "failed to insert '%s'\n", kmod_module_get_name(mod)); + + kmod_module_unref(mod); + } + + kmod_module_unref_list(list); + kmod_module_unref_list(listb); + return err; } static void udev_kmod_log(void *data, int priority, const char *file, int line, - const char *fn, const char *format, va_list args) + const char *fn, const char *format, va_list args) { - udev_main_log(data, priority, file, line, fn, format, args); + udev_main_log(data, priority, file, line, fn, format, args); } /* needs to re-instantiate the context after a reload */ static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev *udev = udev_device_get_udev(dev); - int i; - - if (!ctx) { - ctx = kmod_new(NULL, NULL); - if (!ctx) - return -ENOMEM; - - info(udev, "load module index\n"); - kmod_set_log_fn(ctx, udev_kmod_log, udev); - kmod_load_resources(ctx); - } - - if (argc < 3 || strcmp(argv[1], "load")) { - err(udev, "expect: %s load \n", argv[0]); - return EXIT_FAILURE; - } - - for (i = 2; argv[i]; i++) { - info(udev, "execute '%s' '%s'\n", argv[1], argv[i]); - load_module(udev, argv[i]); - } - - return EXIT_SUCCESS; + struct udev *udev = udev_device_get_udev(dev); + int i; + + if (!ctx) { + ctx = kmod_new(NULL, NULL); + if (!ctx) + return -ENOMEM; + + info(udev, "load module index\n"); + kmod_set_log_fn(ctx, udev_kmod_log, udev); + kmod_load_resources(ctx); + } + + if (argc < 3 || strcmp(argv[1], "load")) { + err(udev, "expect: %s load \n", argv[0]); + return EXIT_FAILURE; + } + + for (i = 2; argv[i]; i++) { + info(udev, "execute '%s' '%s'\n", argv[1], argv[i]); + load_module(udev, argv[i]); + } + + return EXIT_SUCCESS; } /* called at udev startup */ static int builtin_kmod_init(struct udev *udev) { - if (ctx) - return 0; + if (ctx) + return 0; - ctx = kmod_new(NULL, NULL); - if (!ctx) - return -ENOMEM; + ctx = kmod_new(NULL, NULL); + if (!ctx) + return -ENOMEM; - info(udev, "load module index\n"); - kmod_set_log_fn(ctx, udev_kmod_log, udev); - kmod_load_resources(ctx); - return 0; + info(udev, "load module index\n"); + kmod_set_log_fn(ctx, udev_kmod_log, udev); + kmod_load_resources(ctx); + return 0; } /* called on udev shutdown and reload request */ static void builtin_kmod_exit(struct udev *udev) { - info(udev, "unload module index\n"); - ctx = kmod_unref(ctx); + info(udev, "unload module index\n"); + ctx = kmod_unref(ctx); } /* called every couple of seconds during event activity; 'true' if config has changed */ static bool builtin_kmod_validate(struct udev *udev) { - info(udev, "validate module index\n"); - if (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK) - return true; - return false; + info(udev, "validate module index\n"); + if (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK) + return true; + return false; } const struct udev_builtin udev_builtin_kmod = { - .name = "kmod", - .cmd = builtin_kmod, - .init = builtin_kmod_init, - .exit = builtin_kmod_exit, - .validate = builtin_kmod_validate, - .help = "kernel module loader", - .run_once = false, + .name = "kmod", + .cmd = builtin_kmod, + .init = builtin_kmod_init, + .exit = builtin_kmod_exit, + .validate = builtin_kmod_validate, + .help = "kernel module loader", + .run_once = false, }; diff --git a/src/udev-builtin-path_id.c b/src/udev-builtin-path_id.c index 049e89b27..fa4d6fb5f 100644 --- a/src/udev-builtin-path_id.c +++ b/src/udev-builtin-path_id.c @@ -34,30 +34,30 @@ static int path_prepend(char **path, const char *fmt, ...) { - va_list va; - char *pre; - int err = 0; - - va_start(va, fmt); - err = vasprintf(&pre, fmt, va); - va_end(va); - if (err < 0) - goto out; - - if (*path != NULL) { - char *new; - - err = asprintf(&new, "%s-%s", pre, *path); - free(pre); - if (err < 0) - goto out; - free(*path); - *path = new; - } else { - *path = pre; - } + va_list va; + char *pre; + int err = 0; + + va_start(va, fmt); + err = vasprintf(&pre, fmt, va); + va_end(va); + if (err < 0) + goto out; + + if (*path != NULL) { + char *new; + + err = asprintf(&new, "%s-%s", pre, *path); + free(pre); + if (err < 0) + goto out; + free(*path); + *path = new; + } else { + *path = pre; + } out: - return err; + return err; } /* @@ -66,422 +66,422 @@ out: */ static int format_lun_number(struct udev_device *dev, char **path) { - unsigned long lun = strtoul(udev_device_get_sysnum(dev), NULL, 10); + unsigned long lun = strtoul(udev_device_get_sysnum(dev), NULL, 10); - /* address method 0, peripheral device addressing with bus id of zero */ - if (lun < 256) - return path_prepend(path, "lun-%d", lun); - /* handle all other lun addressing methods by using a variant of the original lun format */ - return path_prepend(path, "lun-0x%04x%04x00000000", (lun & 0xffff), (lun >> 16) & 0xffff); + /* address method 0, peripheral device addressing with bus id of zero */ + if (lun < 256) + return path_prepend(path, "lun-%d", lun); + /* handle all other lun addressing methods by using a variant of the original lun format */ + return path_prepend(path, "lun-0x%04x%04x00000000", (lun & 0xffff), (lun >> 16) & 0xffff); } static struct udev_device *skip_subsystem(struct udev_device *dev, const char *subsys) { - struct udev_device *parent = dev; - - while (parent != NULL) { - const char *subsystem; - - subsystem = udev_device_get_subsystem(parent); - if (subsystem == NULL || strcmp(subsystem, subsys) != 0) - break; - dev = parent; - parent = udev_device_get_parent(parent); - } - return dev; + struct udev_device *parent = dev; + + while (parent != NULL) { + const char *subsystem; + + subsystem = udev_device_get_subsystem(parent); + if (subsystem == NULL || strcmp(subsystem, subsys) != 0) + break; + dev = parent; + parent = udev_device_get_parent(parent); + } + return dev; } static struct udev_device *handle_scsi_fibre_channel(struct udev_device *parent, char **path) { - struct udev *udev = udev_device_get_udev(parent); - struct udev_device *targetdev; - struct udev_device *fcdev = NULL; - const char *port; - char *lun = NULL;; - - targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target"); - if (targetdev == NULL) - return NULL; - - fcdev = udev_device_new_from_subsystem_sysname(udev, "fc_transport", udev_device_get_sysname(targetdev)); - if (fcdev == NULL) - return NULL; - port = udev_device_get_sysattr_value(fcdev, "port_name"); - if (port == NULL) { - parent = NULL; - goto out; - } - - format_lun_number(parent, &lun); - path_prepend(path, "fc-%s-%s", port, lun); - if (lun) - free(lun); + struct udev *udev = udev_device_get_udev(parent); + struct udev_device *targetdev; + struct udev_device *fcdev = NULL; + const char *port; + char *lun = NULL;; + + targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target"); + if (targetdev == NULL) + return NULL; + + fcdev = udev_device_new_from_subsystem_sysname(udev, "fc_transport", udev_device_get_sysname(targetdev)); + if (fcdev == NULL) + return NULL; + port = udev_device_get_sysattr_value(fcdev, "port_name"); + if (port == NULL) { + parent = NULL; + goto out; + } + + format_lun_number(parent, &lun); + path_prepend(path, "fc-%s-%s", port, lun); + if (lun) + free(lun); out: - udev_device_unref(fcdev); - return parent; + udev_device_unref(fcdev); + return parent; } static struct udev_device *handle_scsi_sas(struct udev_device *parent, char **path) { - struct udev *udev = udev_device_get_udev(parent); - struct udev_device *targetdev; - struct udev_device *target_parent; - struct udev_device *sasdev; - const char *sas_address; - char *lun = NULL; - - targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target"); - if (targetdev == NULL) - return NULL; - - target_parent = udev_device_get_parent(targetdev); - if (target_parent == NULL) - return NULL; - - sasdev = udev_device_new_from_subsystem_sysname(udev, "sas_device", - udev_device_get_sysname(target_parent)); - if (sasdev == NULL) - return NULL; - - sas_address = udev_device_get_sysattr_value(sasdev, "sas_address"); - if (sas_address == NULL) { - parent = NULL; - goto out; - } - - format_lun_number(parent, &lun); - path_prepend(path, "sas-%s-%s", sas_address, lun); - if (lun) - free(lun); + struct udev *udev = udev_device_get_udev(parent); + struct udev_device *targetdev; + struct udev_device *target_parent; + struct udev_device *sasdev; + const char *sas_address; + char *lun = NULL; + + targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target"); + if (targetdev == NULL) + return NULL; + + target_parent = udev_device_get_parent(targetdev); + if (target_parent == NULL) + return NULL; + + sasdev = udev_device_new_from_subsystem_sysname(udev, "sas_device", + udev_device_get_sysname(target_parent)); + if (sasdev == NULL) + return NULL; + + sas_address = udev_device_get_sysattr_value(sasdev, "sas_address"); + if (sas_address == NULL) { + parent = NULL; + goto out; + } + + format_lun_number(parent, &lun); + path_prepend(path, "sas-%s-%s", sas_address, lun); + if (lun) + free(lun); out: - udev_device_unref(sasdev); - return parent; + udev_device_unref(sasdev); + return parent; } static struct udev_device *handle_scsi_iscsi(struct udev_device *parent, char **path) { - struct udev *udev = udev_device_get_udev(parent); - struct udev_device *transportdev; - struct udev_device *sessiondev = NULL; - const char *target; - char *connname; - struct udev_device *conndev = NULL; - const char *addr; - const char *port; - char *lun = NULL; - - /* find iscsi session */ - transportdev = parent; - for (;;) { - transportdev = udev_device_get_parent(transportdev); - if (transportdev == NULL) - return NULL; - if (strncmp(udev_device_get_sysname(transportdev), "session", 7) == 0) - break; - } - - /* find iscsi session device */ - sessiondev = udev_device_new_from_subsystem_sysname(udev, "iscsi_session", udev_device_get_sysname(transportdev)); - if (sessiondev == NULL) - return NULL; - target = udev_device_get_sysattr_value(sessiondev, "targetname"); - if (target == NULL) { - parent = NULL; - goto out; - } - - if (asprintf(&connname, "connection%s:0", udev_device_get_sysnum(transportdev)) < 0) { - parent = NULL; - goto out; - } - conndev = udev_device_new_from_subsystem_sysname(udev, "iscsi_connection", connname); - free(connname); - if (conndev == NULL) { - parent = NULL; - goto out; - } - addr = udev_device_get_sysattr_value(conndev, "persistent_address"); - port = udev_device_get_sysattr_value(conndev, "persistent_port"); - if (addr == NULL || port == NULL) { - parent = NULL; - goto out; - } - - format_lun_number(parent, &lun); - path_prepend(path, "ip-%s:%s-iscsi-%s-%s", addr, port, target, lun); - if (lun) - free(lun); + struct udev *udev = udev_device_get_udev(parent); + struct udev_device *transportdev; + struct udev_device *sessiondev = NULL; + const char *target; + char *connname; + struct udev_device *conndev = NULL; + const char *addr; + const char *port; + char *lun = NULL; + + /* find iscsi session */ + transportdev = parent; + for (;;) { + transportdev = udev_device_get_parent(transportdev); + if (transportdev == NULL) + return NULL; + if (strncmp(udev_device_get_sysname(transportdev), "session", 7) == 0) + break; + } + + /* find iscsi session device */ + sessiondev = udev_device_new_from_subsystem_sysname(udev, "iscsi_session", udev_device_get_sysname(transportdev)); + if (sessiondev == NULL) + return NULL; + target = udev_device_get_sysattr_value(sessiondev, "targetname"); + if (target == NULL) { + parent = NULL; + goto out; + } + + if (asprintf(&connname, "connection%s:0", udev_device_get_sysnum(transportdev)) < 0) { + parent = NULL; + goto out; + } + conndev = udev_device_new_from_subsystem_sysname(udev, "iscsi_connection", connname); + free(connname); + if (conndev == NULL) { + parent = NULL; + goto out; + } + addr = udev_device_get_sysattr_value(conndev, "persistent_address"); + port = udev_device_get_sysattr_value(conndev, "persistent_port"); + if (addr == NULL || port == NULL) { + parent = NULL; + goto out; + } + + format_lun_number(parent, &lun); + path_prepend(path, "ip-%s:%s-iscsi-%s-%s", addr, port, target, lun); + if (lun) + free(lun); out: - udev_device_unref(sessiondev); - udev_device_unref(conndev); - return parent; + udev_device_unref(sessiondev); + udev_device_unref(conndev); + return parent; } static struct udev_device *handle_scsi_default(struct udev_device *parent, char **path) { - struct udev_device *hostdev; - int host, bus, target, lun; - const char *name; - char *base; - char *pos; - DIR *dir; - struct dirent *dent; - int basenum; - - hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host"); - if (hostdev == NULL) - return NULL; - - name = udev_device_get_sysname(parent); - if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) - return NULL; - - /* rebase host offset to get the local relative number */ - basenum = -1; - base = strdup(udev_device_get_syspath(hostdev)); - if (base == NULL) - return NULL; - pos = strrchr(base, '/'); - if (pos == NULL) { - parent = NULL; - goto out; - } - pos[0] = '\0'; - dir = opendir(base); - if (dir == NULL) { - parent = NULL; - goto out; - } - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - char *rest; - int i; - - if (dent->d_name[0] == '.') - continue; - if (dent->d_type != DT_DIR && dent->d_type != DT_LNK) - continue; - if (strncmp(dent->d_name, "host", 4) != 0) - continue; - i = strtoul(&dent->d_name[4], &rest, 10); - if (rest[0] != '\0') - continue; - if (basenum == -1 || i < basenum) - basenum = i; - } - closedir(dir); - if (basenum == -1) { - parent = NULL; - goto out; - } - host -= basenum; - - path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun); + struct udev_device *hostdev; + int host, bus, target, lun; + const char *name; + char *base; + char *pos; + DIR *dir; + struct dirent *dent; + int basenum; + + hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host"); + if (hostdev == NULL) + return NULL; + + name = udev_device_get_sysname(parent); + if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) + return NULL; + + /* rebase host offset to get the local relative number */ + basenum = -1; + base = strdup(udev_device_get_syspath(hostdev)); + if (base == NULL) + return NULL; + pos = strrchr(base, '/'); + if (pos == NULL) { + parent = NULL; + goto out; + } + pos[0] = '\0'; + dir = opendir(base); + if (dir == NULL) { + parent = NULL; + goto out; + } + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + char *rest; + int i; + + if (dent->d_name[0] == '.') + continue; + if (dent->d_type != DT_DIR && dent->d_type != DT_LNK) + continue; + if (strncmp(dent->d_name, "host", 4) != 0) + continue; + i = strtoul(&dent->d_name[4], &rest, 10); + if (rest[0] != '\0') + continue; + if (basenum == -1 || i < basenum) + basenum = i; + } + closedir(dir); + if (basenum == -1) { + parent = NULL; + goto out; + } + host -= basenum; + + path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun); out: - free(base); - return hostdev; + free(base); + return hostdev; } static struct udev_device *handle_scsi(struct udev_device *parent, char **path) { - const char *devtype; - const char *name; - const char *id; - - devtype = udev_device_get_devtype(parent); - if (devtype == NULL || strcmp(devtype, "scsi_device") != 0) - return parent; - - /* firewire */ - id = udev_device_get_sysattr_value(parent, "ieee1394_id"); - if (id != NULL) { - parent = skip_subsystem(parent, "scsi"); - path_prepend(path, "ieee1394-0x%s", id); - goto out; - } - - /* lousy scsi sysfs does not have a "subsystem" for the transport */ - name = udev_device_get_syspath(parent); - - if (strstr(name, "/rport-") != NULL) { - parent = handle_scsi_fibre_channel(parent, path); - goto out; - } - - if (strstr(name, "/end_device-") != NULL) { - parent = handle_scsi_sas(parent, path); - goto out; - } - - if (strstr(name, "/session") != NULL) { - parent = handle_scsi_iscsi(parent, path); - goto out; - } - - parent = handle_scsi_default(parent, path); + const char *devtype; + const char *name; + const char *id; + + devtype = udev_device_get_devtype(parent); + if (devtype == NULL || strcmp(devtype, "scsi_device") != 0) + return parent; + + /* firewire */ + id = udev_device_get_sysattr_value(parent, "ieee1394_id"); + if (id != NULL) { + parent = skip_subsystem(parent, "scsi"); + path_prepend(path, "ieee1394-0x%s", id); + goto out; + } + + /* lousy scsi sysfs does not have a "subsystem" for the transport */ + name = udev_device_get_syspath(parent); + + if (strstr(name, "/rport-") != NULL) { + parent = handle_scsi_fibre_channel(parent, path); + goto out; + } + + if (strstr(name, "/end_device-") != NULL) { + parent = handle_scsi_sas(parent, path); + goto out; + } + + if (strstr(name, "/session") != NULL) { + parent = handle_scsi_iscsi(parent, path); + goto out; + } + + parent = handle_scsi_default(parent, path); out: - return parent; + return parent; } static void handle_scsi_tape(struct udev_device *dev, char **path) { - const char *name; + const char *name; - /* must be the last device in the syspath */ - if (*path != NULL) - return; + /* must be the last device in the syspath */ + if (*path != NULL) + return; - name = udev_device_get_sysname(dev); - if (strncmp(name, "nst", 3) == 0 && strchr("lma", name[3]) != NULL) - path_prepend(path, "nst%c", name[3]); - else if (strncmp(name, "st", 2) == 0 && strchr("lma", name[2]) != NULL) - path_prepend(path, "st%c", name[2]); + name = udev_device_get_sysname(dev); + if (strncmp(name, "nst", 3) == 0 && strchr("lma", name[3]) != NULL) + path_prepend(path, "nst%c", name[3]); + else if (strncmp(name, "st", 2) == 0 && strchr("lma", name[2]) != NULL) + path_prepend(path, "st%c", name[2]); } static struct udev_device *handle_usb(struct udev_device *parent, char **path) { - const char *devtype; - const char *str; - const char *port; - - devtype = udev_device_get_devtype(parent); - if (devtype == NULL) - return parent; - if (strcmp(devtype, "usb_interface") != 0 && strcmp(devtype, "usb_device") != 0) - return parent; - - str = udev_device_get_sysname(parent); - port = strchr(str, '-'); - if (port == NULL) - return parent; - port++; - - parent = skip_subsystem(parent, "usb"); - path_prepend(path, "usb-0:%s", port); - return parent; + const char *devtype; + const char *str; + const char *port; + + devtype = udev_device_get_devtype(parent); + if (devtype == NULL) + return parent; + if (strcmp(devtype, "usb_interface") != 0 && strcmp(devtype, "usb_device") != 0) + return parent; + + str = udev_device_get_sysname(parent); + port = strchr(str, '-'); + if (port == NULL) + return parent; + port++; + + parent = skip_subsystem(parent, "usb"); + path_prepend(path, "usb-0:%s", port); + return parent; } static struct udev_device *handle_cciss(struct udev_device *parent, char **path) { - return NULL; + return NULL; } static struct udev_device *handle_ccw(struct udev_device *parent, struct udev_device *dev, char **path) { - struct udev_device *scsi_dev; - - scsi_dev = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device"); - if (scsi_dev != NULL) { - const char *wwpn; - const char *lun; - const char *hba_id; - - hba_id = udev_device_get_sysattr_value(scsi_dev, "hba_id"); - wwpn = udev_device_get_sysattr_value(scsi_dev, "wwpn"); - lun = udev_device_get_sysattr_value(scsi_dev, "fcp_lun"); - if (hba_id != NULL && lun != NULL && wwpn != NULL) { - path_prepend(path, "ccw-%s-zfcp-%s:%s", hba_id, wwpn, lun); - goto out; - } - } - - path_prepend(path, "ccw-%s", udev_device_get_sysname(parent)); + struct udev_device *scsi_dev; + + scsi_dev = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device"); + if (scsi_dev != NULL) { + const char *wwpn; + const char *lun; + const char *hba_id; + + hba_id = udev_device_get_sysattr_value(scsi_dev, "hba_id"); + wwpn = udev_device_get_sysattr_value(scsi_dev, "wwpn"); + lun = udev_device_get_sysattr_value(scsi_dev, "fcp_lun"); + if (hba_id != NULL && lun != NULL && wwpn != NULL) { + path_prepend(path, "ccw-%s-zfcp-%s:%s", hba_id, wwpn, lun); + goto out; + } + } + + path_prepend(path, "ccw-%s", udev_device_get_sysname(parent)); out: - parent = skip_subsystem(parent, "ccw"); - return parent; + parent = skip_subsystem(parent, "ccw"); + return parent; } static int builtin_path_id(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev_device *parent; - char *path = NULL; - - /* S390 ccw bus */ - parent = udev_device_get_parent_with_subsystem_devtype(dev, "ccw", NULL); - if (parent != NULL) { - handle_ccw(parent, dev, &path); - goto out; - } - - /* walk up the chain of devices and compose path */ - parent = dev; - while (parent != NULL) { - const char *subsys; - - subsys = udev_device_get_subsystem(parent); - if (subsys == NULL) { - ; - } else if (strcmp(subsys, "scsi_tape") == 0) { - handle_scsi_tape(parent, &path); - } else if (strcmp(subsys, "scsi") == 0) { - parent = handle_scsi(parent, &path); - } else if (strcmp(subsys, "cciss") == 0) { - handle_cciss(parent, &path); - } else if (strcmp(subsys, "usb") == 0) { - parent = handle_usb(parent, &path); - } else if (strcmp(subsys, "serio") == 0) { - path_prepend(&path, "serio-%s", udev_device_get_sysnum(parent)); - parent = skip_subsystem(parent, "serio"); - } else if (strcmp(subsys, "pci") == 0) { - path_prepend(&path, "pci-%s", udev_device_get_sysname(parent)); - parent = skip_subsystem(parent, "pci"); - } else if (strcmp(subsys, "platform") == 0) { - path_prepend(&path, "platform-%s", udev_device_get_sysname(parent)); - parent = skip_subsystem(parent, "platform"); - } else if (strcmp(subsys, "acpi") == 0) { - path_prepend(&path, "acpi-%s", udev_device_get_sysname(parent)); - parent = skip_subsystem(parent, "acpi"); - } else if (strcmp(subsys, "xen") == 0) { - path_prepend(&path, "xen-%s", udev_device_get_sysname(parent)); - parent = skip_subsystem(parent, "xen"); - } else if (strcmp(subsys, "virtio") == 0) { - path_prepend(&path, "virtio-pci-%s", udev_device_get_sysname(parent)); - parent = skip_subsystem(parent, "virtio"); - } - - parent = udev_device_get_parent(parent); - } + struct udev_device *parent; + char *path = NULL; + + /* S390 ccw bus */ + parent = udev_device_get_parent_with_subsystem_devtype(dev, "ccw", NULL); + if (parent != NULL) { + handle_ccw(parent, dev, &path); + goto out; + } + + /* walk up the chain of devices and compose path */ + parent = dev; + while (parent != NULL) { + const char *subsys; + + subsys = udev_device_get_subsystem(parent); + if (subsys == NULL) { + ; + } else if (strcmp(subsys, "scsi_tape") == 0) { + handle_scsi_tape(parent, &path); + } else if (strcmp(subsys, "scsi") == 0) { + parent = handle_scsi(parent, &path); + } else if (strcmp(subsys, "cciss") == 0) { + handle_cciss(parent, &path); + } else if (strcmp(subsys, "usb") == 0) { + parent = handle_usb(parent, &path); + } else if (strcmp(subsys, "serio") == 0) { + path_prepend(&path, "serio-%s", udev_device_get_sysnum(parent)); + parent = skip_subsystem(parent, "serio"); + } else if (strcmp(subsys, "pci") == 0) { + path_prepend(&path, "pci-%s", udev_device_get_sysname(parent)); + parent = skip_subsystem(parent, "pci"); + } else if (strcmp(subsys, "platform") == 0) { + path_prepend(&path, "platform-%s", udev_device_get_sysname(parent)); + parent = skip_subsystem(parent, "platform"); + } else if (strcmp(subsys, "acpi") == 0) { + path_prepend(&path, "acpi-%s", udev_device_get_sysname(parent)); + parent = skip_subsystem(parent, "acpi"); + } else if (strcmp(subsys, "xen") == 0) { + path_prepend(&path, "xen-%s", udev_device_get_sysname(parent)); + parent = skip_subsystem(parent, "xen"); + } else if (strcmp(subsys, "virtio") == 0) { + path_prepend(&path, "virtio-pci-%s", udev_device_get_sysname(parent)); + parent = skip_subsystem(parent, "virtio"); + } + + parent = udev_device_get_parent(parent); + } out: - if (path != NULL) { - char tag[UTIL_NAME_SIZE]; - size_t i; - const char *p; - - /* compose valid udev tag name */ - for (p = path, i = 0; *p; p++) { - if ((*p >= '0' && *p <= '9') || - (*p >= 'A' && *p <= 'Z') || - (*p >= 'a' && *p <= 'z') || - *p == '-') { - tag[i++] = *p; - continue; - } - - /* skip all leading '_' */ - if (i == 0) - continue; - - /* avoid second '_' */ - if (tag[i-1] == '_') - continue; - - tag[i++] = '_'; - } - /* strip trailing '_' */ - while (i > 0 && tag[i-1] == '_') - i--; - tag[i] = '\0'; - - udev_builtin_add_property(dev, test, "ID_PATH", path); - udev_builtin_add_property(dev, test, "ID_PATH_TAG", tag); - free(path); - return EXIT_SUCCESS; - } - return EXIT_FAILURE; + if (path != NULL) { + char tag[UTIL_NAME_SIZE]; + size_t i; + const char *p; + + /* compose valid udev tag name */ + for (p = path, i = 0; *p; p++) { + if ((*p >= '0' && *p <= '9') || + (*p >= 'A' && *p <= 'Z') || + (*p >= 'a' && *p <= 'z') || + *p == '-') { + tag[i++] = *p; + continue; + } + + /* skip all leading '_' */ + if (i == 0) + continue; + + /* avoid second '_' */ + if (tag[i-1] == '_') + continue; + + tag[i++] = '_'; + } + /* strip trailing '_' */ + while (i > 0 && tag[i-1] == '_') + i--; + tag[i] = '\0'; + + udev_builtin_add_property(dev, test, "ID_PATH", path); + udev_builtin_add_property(dev, test, "ID_PATH_TAG", tag); + free(path); + return EXIT_SUCCESS; + } + return EXIT_FAILURE; } const struct udev_builtin udev_builtin_path_id = { - .name = "path_id", - .cmd = builtin_path_id, - .help = "compose persistent device path", - .run_once = true, + .name = "path_id", + .cmd = builtin_path_id, + .help = "compose persistent device path", + .run_once = true, }; diff --git a/src/udev-builtin-usb_id.c b/src/udev-builtin-usb_id.c index 21c3c03d8..85828e32d 100644 --- a/src/udev-builtin-usb_id.c +++ b/src/udev-builtin-usb_id.c @@ -33,193 +33,193 @@ static void set_usb_iftype(char *to, int if_class_num, size_t len) { - char *type = "generic"; - - switch (if_class_num) { - case 1: - type = "audio"; - break; - case 2: /* CDC-Control */ - break; - case 3: - type = "hid"; - break; - case 5: /* Physical */ - break; - case 6: - type = "media"; - break; - case 7: - type = "printer"; - break; - case 8: - type = "storage"; - break; - case 9: - type = "hub"; - break; - case 0x0a: /* CDC-Data */ - break; - case 0x0b: /* Chip/Smart Card */ - break; - case 0x0d: /* Content Security */ - break; - case 0x0e: - type = "video"; - break; - case 0xdc: /* Diagnostic Device */ - break; - case 0xe0: /* Wireless Controller */ - break; - case 0xfe: /* Application-specific */ - break; - case 0xff: /* Vendor-specific */ - break; - default: - break; - } - strncpy(to, type, len); - to[len-1] = '\0'; + char *type = "generic"; + + switch (if_class_num) { + case 1: + type = "audio"; + break; + case 2: /* CDC-Control */ + break; + case 3: + type = "hid"; + break; + case 5: /* Physical */ + break; + case 6: + type = "media"; + break; + case 7: + type = "printer"; + break; + case 8: + type = "storage"; + break; + case 9: + type = "hub"; + break; + case 0x0a: /* CDC-Data */ + break; + case 0x0b: /* Chip/Smart Card */ + break; + case 0x0d: /* Content Security */ + break; + case 0x0e: + type = "video"; + break; + case 0xdc: /* Diagnostic Device */ + break; + case 0xe0: /* Wireless Controller */ + break; + case 0xfe: /* Application-specific */ + break; + case 0xff: /* Vendor-specific */ + break; + default: + break; + } + strncpy(to, type, len); + to[len-1] = '\0'; } static int set_usb_mass_storage_ifsubtype(char *to, const char *from, size_t len) { - int type_num = 0; - char *eptr; - char *type = "generic"; - - type_num = strtoul(from, &eptr, 0); - if (eptr != from) { - switch (type_num) { - case 2: - type = "atapi"; - break; - case 3: - type = "tape"; - break; - case 4: /* UFI */ - case 5: /* SFF-8070i */ - type = "floppy"; - break; - case 1: /* RBC devices */ - type = "rbc"; - break; - case 6: /* Transparent SPC-2 devices */ - type = "scsi"; - break; - default: - break; - } - } - util_strscpy(to, len, type); - return type_num; + int type_num = 0; + char *eptr; + char *type = "generic"; + + type_num = strtoul(from, &eptr, 0); + if (eptr != from) { + switch (type_num) { + case 2: + type = "atapi"; + break; + case 3: + type = "tape"; + break; + case 4: /* UFI */ + case 5: /* SFF-8070i */ + type = "floppy"; + break; + case 1: /* RBC devices */ + type = "rbc"; + break; + case 6: /* Transparent SPC-2 devices */ + type = "scsi"; + break; + default: + break; + } + } + util_strscpy(to, len, type); + return type_num; } static void set_scsi_type(char *to, const char *from, size_t len) { - int type_num; - char *eptr; - char *type = "generic"; - - type_num = strtoul(from, &eptr, 0); - if (eptr != from) { - switch (type_num) { - case 0: - case 0xe: - type = "disk"; - break; - case 1: - type = "tape"; - break; - case 4: - case 7: - case 0xf: - type = "optical"; - break; - case 5: - type = "cd"; - break; - default: - break; - } - } - util_strscpy(to, len, type); + int type_num; + char *eptr; + char *type = "generic"; + + type_num = strtoul(from, &eptr, 0); + if (eptr != from) { + switch (type_num) { + case 0: + case 0xe: + type = "disk"; + break; + case 1: + type = "tape"; + break; + case 4: + case 7: + case 0xf: + type = "optical"; + break; + case 5: + type = "cd"; + break; + default: + break; + } + } + util_strscpy(to, len, type); } -#define USB_DT_DEVICE 0x01 -#define USB_DT_INTERFACE 0x04 +#define USB_DT_DEVICE 0x01 +#define USB_DT_INTERFACE 0x04 static int dev_if_packed_info(struct udev_device *dev, char *ifs_str, size_t len) { - char *filename = NULL; - int fd; - ssize_t size; - unsigned char buf[18 + 65535]; - unsigned int pos, strpos; - struct usb_interface_descriptor { - u_int8_t bLength; - u_int8_t bDescriptorType; - u_int8_t bInterfaceNumber; - u_int8_t bAlternateSetting; - u_int8_t bNumEndpoints; - u_int8_t bInterfaceClass; - u_int8_t bInterfaceSubClass; - u_int8_t bInterfaceProtocol; - u_int8_t iInterface; - } __attribute__((packed)); - int err = 0; - - if (asprintf(&filename, "%s/descriptors", udev_device_get_syspath(dev)) < 0) { - err = -1; - goto out; - } - fd = open(filename, O_RDONLY|O_CLOEXEC); - if (fd < 0) { - fprintf(stderr, "error opening USB device 'descriptors' file\n"); - err = -1; - goto out; - } - size = read(fd, buf, sizeof(buf)); - close(fd); - if (size < 18 || size == sizeof(buf)) { - err = -1; - goto out; - } - - pos = 0; - strpos = 0; - ifs_str[0] = '\0'; - while (pos < sizeof(buf) && strpos+7 < len-2) { - struct usb_interface_descriptor *desc; - char if_str[8]; - - desc = (struct usb_interface_descriptor *) &buf[pos]; - if (desc->bLength < 3) - break; - pos += desc->bLength; - - if (desc->bDescriptorType != USB_DT_INTERFACE) - continue; - - if (snprintf(if_str, 8, ":%02x%02x%02x", - desc->bInterfaceClass, - desc->bInterfaceSubClass, - desc->bInterfaceProtocol) != 7) - continue; - - if (strstr(ifs_str, if_str) != NULL) - continue; - - memcpy(&ifs_str[strpos], if_str, 8), - strpos += 7; - } - if (strpos > 0) { - ifs_str[strpos++] = ':'; - ifs_str[strpos++] = '\0'; - } + char *filename = NULL; + int fd; + ssize_t size; + unsigned char buf[18 + 65535]; + unsigned int pos, strpos; + struct usb_interface_descriptor { + u_int8_t bLength; + u_int8_t bDescriptorType; + u_int8_t bInterfaceNumber; + u_int8_t bAlternateSetting; + u_int8_t bNumEndpoints; + u_int8_t bInterfaceClass; + u_int8_t bInterfaceSubClass; + u_int8_t bInterfaceProtocol; + u_int8_t iInterface; + } __attribute__((packed)); + int err = 0; + + if (asprintf(&filename, "%s/descriptors", udev_device_get_syspath(dev)) < 0) { + err = -1; + goto out; + } + fd = open(filename, O_RDONLY|O_CLOEXEC); + if (fd < 0) { + fprintf(stderr, "error opening USB device 'descriptors' file\n"); + err = -1; + goto out; + } + size = read(fd, buf, sizeof(buf)); + close(fd); + if (size < 18 || size == sizeof(buf)) { + err = -1; + goto out; + } + + pos = 0; + strpos = 0; + ifs_str[0] = '\0'; + while (pos < sizeof(buf) && strpos+7 < len-2) { + struct usb_interface_descriptor *desc; + char if_str[8]; + + desc = (struct usb_interface_descriptor *) &buf[pos]; + if (desc->bLength < 3) + break; + pos += desc->bLength; + + if (desc->bDescriptorType != USB_DT_INTERFACE) + continue; + + if (snprintf(if_str, 8, ":%02x%02x%02x", + desc->bInterfaceClass, + desc->bInterfaceSubClass, + desc->bInterfaceProtocol) != 7) + continue; + + if (strstr(ifs_str, if_str) != NULL) + continue; + + memcpy(&ifs_str[strpos], if_str, 8), + strpos += 7; + } + if (strpos > 0) { + ifs_str[strpos++] = ':'; + ifs_str[strpos++] = '\0'; + } out: - free(filename); - return err; + free(filename); + return err; } /* @@ -241,242 +241,242 @@ out: */ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool test) { - char vendor_str[64]; - char vendor_str_enc[256]; - const char *vendor_id; - char model_str[64]; - char model_str_enc[256]; - const char *product_id; - char serial_str[UTIL_NAME_SIZE]; - char packed_if_str[UTIL_NAME_SIZE]; - char revision_str[64]; - char type_str[64]; - char instance_str[64]; - const char *ifnum = NULL; - const char *driver = NULL; - char serial[256]; - - struct udev *udev = udev_device_get_udev(dev); - struct udev_device *dev_interface = NULL; - struct udev_device *dev_usb = NULL; - const char *if_class, *if_subclass; - int if_class_num; - int protocol = 0; - size_t l; - char *s; - - vendor_str[0] = '\0'; - model_str[0] = '\0'; - serial_str[0] = '\0'; - packed_if_str[0] = '\0'; - revision_str[0] = '\0'; - type_str[0] = '\0'; - instance_str[0] = '\0'; - - dbg(udev, "syspath %s\n", udev_device_get_syspath(dev)); - - /* shortcut, if we are called directly for a "usb_device" type */ - if (udev_device_get_devtype(dev) != NULL && strcmp(udev_device_get_devtype(dev), "usb_device") == 0) { - dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str)); - dev_usb = dev; - goto fallback; - } - - /* usb interface directory */ - dev_interface = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface"); - if (dev_interface == NULL) { - info(udev, "unable to access usb_interface device of '%s'\n", - udev_device_get_syspath(dev)); - return EXIT_FAILURE; - } - - ifnum = udev_device_get_sysattr_value(dev_interface, "bInterfaceNumber"); - driver = udev_device_get_sysattr_value(dev_interface, "driver"); - - if_class = udev_device_get_sysattr_value(dev_interface, "bInterfaceClass"); - if (!if_class) { - info(udev, "%s: cannot get bInterfaceClass attribute\n", - udev_device_get_sysname(dev)); - return EXIT_FAILURE; - } - - if_class_num = strtoul(if_class, NULL, 16); - if (if_class_num == 8) { - /* mass storage */ - if_subclass = udev_device_get_sysattr_value(dev_interface, "bInterfaceSubClass"); - if (if_subclass != NULL) - protocol = set_usb_mass_storage_ifsubtype(type_str, if_subclass, sizeof(type_str)-1); - } else { - set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1); - } - - info(udev, "%s: if_class %d protocol %d\n", - udev_device_get_syspath(dev_interface), if_class_num, protocol); - - /* usb device directory */ - dev_usb = udev_device_get_parent_with_subsystem_devtype(dev_interface, "usb", "usb_device"); - if (!dev_usb) { - info(udev, "unable to find parent 'usb' device of '%s'\n", - udev_device_get_syspath(dev)); - return EXIT_FAILURE; - } - - /* all interfaces of the device in a single string */ - dev_if_packed_info(dev_usb, packed_if_str, sizeof(packed_if_str)); - - /* mass storage : SCSI or ATAPI */ - if ((protocol == 6 || protocol == 2)) { - struct udev_device *dev_scsi; - const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev; - int host, bus, target, lun; - - /* get scsi device */ - dev_scsi = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device"); - if (dev_scsi == NULL) { - info(udev, "unable to find parent 'scsi' device of '%s'\n", - udev_device_get_syspath(dev)); - goto fallback; - } - if (sscanf(udev_device_get_sysname(dev_scsi), "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) { - info(udev, "invalid scsi device '%s'\n", udev_device_get_sysname(dev_scsi)); - goto fallback; - } - - /* Generic SPC-2 device */ - scsi_vendor = udev_device_get_sysattr_value(dev_scsi, "vendor"); - if (!scsi_vendor) { - info(udev, "%s: cannot get SCSI vendor attribute\n", - udev_device_get_sysname(dev_scsi)); - goto fallback; - } - udev_util_encode_string(scsi_vendor, vendor_str_enc, sizeof(vendor_str_enc)); - util_replace_whitespace(scsi_vendor, vendor_str, sizeof(vendor_str)-1); - util_replace_chars(vendor_str, NULL); - - scsi_model = udev_device_get_sysattr_value(dev_scsi, "model"); - if (!scsi_model) { - info(udev, "%s: cannot get SCSI model attribute\n", - udev_device_get_sysname(dev_scsi)); - goto fallback; - } - udev_util_encode_string(scsi_model, model_str_enc, sizeof(model_str_enc)); - util_replace_whitespace(scsi_model, model_str, sizeof(model_str)-1); - util_replace_chars(model_str, NULL); - - scsi_type = udev_device_get_sysattr_value(dev_scsi, "type"); - if (!scsi_type) { - info(udev, "%s: cannot get SCSI type attribute\n", - udev_device_get_sysname(dev_scsi)); - goto fallback; - } - set_scsi_type(type_str, scsi_type, sizeof(type_str)-1); - - scsi_rev = udev_device_get_sysattr_value(dev_scsi, "rev"); - if (!scsi_rev) { - info(udev, "%s: cannot get SCSI revision attribute\n", - udev_device_get_sysname(dev_scsi)); - goto fallback; - } - util_replace_whitespace(scsi_rev, revision_str, sizeof(revision_str)-1); - util_replace_chars(revision_str, NULL); - - /* - * some broken devices have the same identifiers - * for all luns, export the target:lun number - */ - sprintf(instance_str, "%d:%d", target, lun); - } + char vendor_str[64]; + char vendor_str_enc[256]; + const char *vendor_id; + char model_str[64]; + char model_str_enc[256]; + const char *product_id; + char serial_str[UTIL_NAME_SIZE]; + char packed_if_str[UTIL_NAME_SIZE]; + char revision_str[64]; + char type_str[64]; + char instance_str[64]; + const char *ifnum = NULL; + const char *driver = NULL; + char serial[256]; + + struct udev *udev = udev_device_get_udev(dev); + struct udev_device *dev_interface = NULL; + struct udev_device *dev_usb = NULL; + const char *if_class, *if_subclass; + int if_class_num; + int protocol = 0; + size_t l; + char *s; + + vendor_str[0] = '\0'; + model_str[0] = '\0'; + serial_str[0] = '\0'; + packed_if_str[0] = '\0'; + revision_str[0] = '\0'; + type_str[0] = '\0'; + instance_str[0] = '\0'; + + dbg(udev, "syspath %s\n", udev_device_get_syspath(dev)); + + /* shortcut, if we are called directly for a "usb_device" type */ + if (udev_device_get_devtype(dev) != NULL && strcmp(udev_device_get_devtype(dev), "usb_device") == 0) { + dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str)); + dev_usb = dev; + goto fallback; + } + + /* usb interface directory */ + dev_interface = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface"); + if (dev_interface == NULL) { + info(udev, "unable to access usb_interface device of '%s'\n", + udev_device_get_syspath(dev)); + return EXIT_FAILURE; + } + + ifnum = udev_device_get_sysattr_value(dev_interface, "bInterfaceNumber"); + driver = udev_device_get_sysattr_value(dev_interface, "driver"); + + if_class = udev_device_get_sysattr_value(dev_interface, "bInterfaceClass"); + if (!if_class) { + info(udev, "%s: cannot get bInterfaceClass attribute\n", + udev_device_get_sysname(dev)); + return EXIT_FAILURE; + } + + if_class_num = strtoul(if_class, NULL, 16); + if (if_class_num == 8) { + /* mass storage */ + if_subclass = udev_device_get_sysattr_value(dev_interface, "bInterfaceSubClass"); + if (if_subclass != NULL) + protocol = set_usb_mass_storage_ifsubtype(type_str, if_subclass, sizeof(type_str)-1); + } else { + set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1); + } + + info(udev, "%s: if_class %d protocol %d\n", + udev_device_get_syspath(dev_interface), if_class_num, protocol); + + /* usb device directory */ + dev_usb = udev_device_get_parent_with_subsystem_devtype(dev_interface, "usb", "usb_device"); + if (!dev_usb) { + info(udev, "unable to find parent 'usb' device of '%s'\n", + udev_device_get_syspath(dev)); + return EXIT_FAILURE; + } + + /* all interfaces of the device in a single string */ + dev_if_packed_info(dev_usb, packed_if_str, sizeof(packed_if_str)); + + /* mass storage : SCSI or ATAPI */ + if ((protocol == 6 || protocol == 2)) { + struct udev_device *dev_scsi; + const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev; + int host, bus, target, lun; + + /* get scsi device */ + dev_scsi = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device"); + if (dev_scsi == NULL) { + info(udev, "unable to find parent 'scsi' device of '%s'\n", + udev_device_get_syspath(dev)); + goto fallback; + } + if (sscanf(udev_device_get_sysname(dev_scsi), "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) { + info(udev, "invalid scsi device '%s'\n", udev_device_get_sysname(dev_scsi)); + goto fallback; + } + + /* Generic SPC-2 device */ + scsi_vendor = udev_device_get_sysattr_value(dev_scsi, "vendor"); + if (!scsi_vendor) { + info(udev, "%s: cannot get SCSI vendor attribute\n", + udev_device_get_sysname(dev_scsi)); + goto fallback; + } + udev_util_encode_string(scsi_vendor, vendor_str_enc, sizeof(vendor_str_enc)); + util_replace_whitespace(scsi_vendor, vendor_str, sizeof(vendor_str)-1); + util_replace_chars(vendor_str, NULL); + + scsi_model = udev_device_get_sysattr_value(dev_scsi, "model"); + if (!scsi_model) { + info(udev, "%s: cannot get SCSI model attribute\n", + udev_device_get_sysname(dev_scsi)); + goto fallback; + } + udev_util_encode_string(scsi_model, model_str_enc, sizeof(model_str_enc)); + util_replace_whitespace(scsi_model, model_str, sizeof(model_str)-1); + util_replace_chars(model_str, NULL); + + scsi_type = udev_device_get_sysattr_value(dev_scsi, "type"); + if (!scsi_type) { + info(udev, "%s: cannot get SCSI type attribute\n", + udev_device_get_sysname(dev_scsi)); + goto fallback; + } + set_scsi_type(type_str, scsi_type, sizeof(type_str)-1); + + scsi_rev = udev_device_get_sysattr_value(dev_scsi, "rev"); + if (!scsi_rev) { + info(udev, "%s: cannot get SCSI revision attribute\n", + udev_device_get_sysname(dev_scsi)); + goto fallback; + } + util_replace_whitespace(scsi_rev, revision_str, sizeof(revision_str)-1); + util_replace_chars(revision_str, NULL); + + /* + * some broken devices have the same identifiers + * for all luns, export the target:lun number + */ + sprintf(instance_str, "%d:%d", target, lun); + } fallback: - vendor_id = udev_device_get_sysattr_value(dev_usb, "idVendor"); - product_id = udev_device_get_sysattr_value(dev_usb, "idProduct"); - - /* fallback to USB vendor & device */ - if (vendor_str[0] == '\0') { - const char *usb_vendor = NULL; - - usb_vendor = udev_device_get_sysattr_value(dev_usb, "manufacturer"); - if (!usb_vendor) - usb_vendor = vendor_id; - if (!usb_vendor) { - info(udev, "No USB vendor information available\n"); - return EXIT_FAILURE; - } - udev_util_encode_string(usb_vendor, vendor_str_enc, sizeof(vendor_str_enc)); - util_replace_whitespace(usb_vendor, vendor_str, sizeof(vendor_str)-1); - util_replace_chars(vendor_str, NULL); - } - - if (model_str[0] == '\0') { - const char *usb_model = NULL; - - usb_model = udev_device_get_sysattr_value(dev_usb, "product"); - if (!usb_model) - usb_model = product_id; - if (!usb_model) { - dbg(udev, "No USB model information available\n"); - return EXIT_FAILURE; - } - udev_util_encode_string(usb_model, model_str_enc, sizeof(model_str_enc)); - util_replace_whitespace(usb_model, model_str, sizeof(model_str)-1); - util_replace_chars(model_str, NULL); - } - - if (revision_str[0] == '\0') { - const char *usb_rev; - - usb_rev = udev_device_get_sysattr_value(dev_usb, "bcdDevice"); - if (usb_rev) { - util_replace_whitespace(usb_rev, revision_str, sizeof(revision_str)-1); - util_replace_chars(revision_str, NULL); - } - } - - if (serial_str[0] == '\0') { - const char *usb_serial; - - usb_serial = udev_device_get_sysattr_value(dev_usb, "serial"); - if (usb_serial) { - util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1); - util_replace_chars(serial_str, NULL); - } - } - - s = serial; - l = util_strpcpyl(&s, sizeof(serial), vendor_str, "_", model_str, NULL); - if (serial_str[0] != '\0') - l = util_strpcpyl(&s, l, "_", serial_str, NULL); - - if (instance_str[0] != '\0') - util_strpcpyl(&s, l, "-", instance_str, NULL); - - udev_builtin_add_property(dev, test, "ID_VENDOR", vendor_str); - udev_builtin_add_property(dev, test, "ID_VENDOR_ENC", vendor_str_enc); - udev_builtin_add_property(dev, test, "ID_VENDOR_ID", vendor_id); - udev_builtin_add_property(dev, test, "ID_MODEL", model_str); - udev_builtin_add_property(dev, test, "ID_MODEL_ENC", model_str_enc); - udev_builtin_add_property(dev, test, "ID_MODEL_ID", product_id); - udev_builtin_add_property(dev, test, "ID_REVISION", revision_str); - udev_builtin_add_property(dev, test, "ID_SERIAL", serial); - if (serial_str[0] != '\0') - udev_builtin_add_property(dev, test, "ID_SERIAL_SHORT", serial_str); - if (type_str[0] != '\0') - udev_builtin_add_property(dev, test, "ID_TYPE", type_str); - if (instance_str[0] != '\0') - udev_builtin_add_property(dev, test, "ID_INSTANCE", instance_str); - udev_builtin_add_property(dev, test, "ID_BUS", "usb"); - if (packed_if_str[0] != '\0') - udev_builtin_add_property(dev, test, "ID_USB_INTERFACES", packed_if_str); - if (ifnum != NULL) - udev_builtin_add_property(dev, test, "ID_USB_INTERFACE_NUM", ifnum); - if (driver != NULL) - udev_builtin_add_property(dev, test, "ID_USB_DRIVER", driver); - return EXIT_SUCCESS; + vendor_id = udev_device_get_sysattr_value(dev_usb, "idVendor"); + product_id = udev_device_get_sysattr_value(dev_usb, "idProduct"); + + /* fallback to USB vendor & device */ + if (vendor_str[0] == '\0') { + const char *usb_vendor = NULL; + + usb_vendor = udev_device_get_sysattr_value(dev_usb, "manufacturer"); + if (!usb_vendor) + usb_vendor = vendor_id; + if (!usb_vendor) { + info(udev, "No USB vendor information available\n"); + return EXIT_FAILURE; + } + udev_util_encode_string(usb_vendor, vendor_str_enc, sizeof(vendor_str_enc)); + util_replace_whitespace(usb_vendor, vendor_str, sizeof(vendor_str)-1); + util_replace_chars(vendor_str, NULL); + } + + if (model_str[0] == '\0') { + const char *usb_model = NULL; + + usb_model = udev_device_get_sysattr_value(dev_usb, "product"); + if (!usb_model) + usb_model = product_id; + if (!usb_model) { + dbg(udev, "No USB model information available\n"); + return EXIT_FAILURE; + } + udev_util_encode_string(usb_model, model_str_enc, sizeof(model_str_enc)); + util_replace_whitespace(usb_model, model_str, sizeof(model_str)-1); + util_replace_chars(model_str, NULL); + } + + if (revision_str[0] == '\0') { + const char *usb_rev; + + usb_rev = udev_device_get_sysattr_value(dev_usb, "bcdDevice"); + if (usb_rev) { + util_replace_whitespace(usb_rev, revision_str, sizeof(revision_str)-1); + util_replace_chars(revision_str, NULL); + } + } + + if (serial_str[0] == '\0') { + const char *usb_serial; + + usb_serial = udev_device_get_sysattr_value(dev_usb, "serial"); + if (usb_serial) { + util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1); + util_replace_chars(serial_str, NULL); + } + } + + s = serial; + l = util_strpcpyl(&s, sizeof(serial), vendor_str, "_", model_str, NULL); + if (serial_str[0] != '\0') + l = util_strpcpyl(&s, l, "_", serial_str, NULL); + + if (instance_str[0] != '\0') + util_strpcpyl(&s, l, "-", instance_str, NULL); + + udev_builtin_add_property(dev, test, "ID_VENDOR", vendor_str); + udev_builtin_add_property(dev, test, "ID_VENDOR_ENC", vendor_str_enc); + udev_builtin_add_property(dev, test, "ID_VENDOR_ID", vendor_id); + udev_builtin_add_property(dev, test, "ID_MODEL", model_str); + udev_builtin_add_property(dev, test, "ID_MODEL_ENC", model_str_enc); + udev_builtin_add_property(dev, test, "ID_MODEL_ID", product_id); + udev_builtin_add_property(dev, test, "ID_REVISION", revision_str); + udev_builtin_add_property(dev, test, "ID_SERIAL", serial); + if (serial_str[0] != '\0') + udev_builtin_add_property(dev, test, "ID_SERIAL_SHORT", serial_str); + if (type_str[0] != '\0') + udev_builtin_add_property(dev, test, "ID_TYPE", type_str); + if (instance_str[0] != '\0') + udev_builtin_add_property(dev, test, "ID_INSTANCE", instance_str); + udev_builtin_add_property(dev, test, "ID_BUS", "usb"); + if (packed_if_str[0] != '\0') + udev_builtin_add_property(dev, test, "ID_USB_INTERFACES", packed_if_str); + if (ifnum != NULL) + udev_builtin_add_property(dev, test, "ID_USB_INTERFACE_NUM", ifnum); + if (driver != NULL) + udev_builtin_add_property(dev, test, "ID_USB_DRIVER", driver); + return EXIT_SUCCESS; } const struct udev_builtin udev_builtin_usb_id = { - .name = "usb_id", - .cmd = builtin_usb_id, - .help = "usb device properties", - .run_once = true, + .name = "usb_id", + .cmd = builtin_usb_id, + .help = "usb device properties", + .run_once = true, }; diff --git a/src/udev-builtin.c b/src/udev-builtin.c index 8beac8a67..5bc5fa68f 100644 --- a/src/udev-builtin.c +++ b/src/udev-builtin.c @@ -26,109 +26,109 @@ #include "udev.h" static const struct udev_builtin *builtins[] = { - [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid, - [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware, - [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id, - [UDEV_BUILTIN_KMOD] = &udev_builtin_kmod, - [UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id, - [UDEV_BUILTIN_PCI_DB] = &udev_builtin_pci_db, - [UDEV_BUILTIN_USB_DB] = &udev_builtin_usb_db, - [UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id, + [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid, + [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware, + [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id, + [UDEV_BUILTIN_KMOD] = &udev_builtin_kmod, + [UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id, + [UDEV_BUILTIN_PCI_DB] = &udev_builtin_pci_db, + [UDEV_BUILTIN_USB_DB] = &udev_builtin_usb_db, + [UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id, }; int udev_builtin_init(struct udev *udev) { - unsigned int i; - int err; - - for (i = 0; i < ARRAY_SIZE(builtins); i++) { - if (builtins[i]->init) { - err = builtins[i]->init(udev); - if (err < 0) - break; - } - } - return err; + unsigned int i; + int err; + + for (i = 0; i < ARRAY_SIZE(builtins); i++) { + if (builtins[i]->init) { + err = builtins[i]->init(udev); + if (err < 0) + break; + } + } + return err; } void udev_builtin_exit(struct udev *udev) { - unsigned int i; + unsigned int i; - for (i = 0; i < ARRAY_SIZE(builtins); i++) - if (builtins[i]->exit) - builtins[i]->exit(udev); + for (i = 0; i < ARRAY_SIZE(builtins); i++) + if (builtins[i]->exit) + builtins[i]->exit(udev); } bool udev_builtin_validate(struct udev *udev) { - unsigned int i; - bool change = false; - - for (i = 0; i < ARRAY_SIZE(builtins); i++) - if (builtins[i]->validate) - if (builtins[i]->validate(udev)) - change = true; - return change; + unsigned int i; + bool change = false; + + for (i = 0; i < ARRAY_SIZE(builtins); i++) + if (builtins[i]->validate) + if (builtins[i]->validate(udev)) + change = true; + return change; } void udev_builtin_list(struct udev *udev) { - unsigned int i; + unsigned int i; - for (i = 0; i < ARRAY_SIZE(builtins); i++) - fprintf(stderr, " %-12s %s\n", builtins[i]->name, builtins[i]->help); + for (i = 0; i < ARRAY_SIZE(builtins); i++) + fprintf(stderr, " %-12s %s\n", builtins[i]->name, builtins[i]->help); } const char *udev_builtin_name(enum udev_builtin_cmd cmd) { - return builtins[cmd]->name; + return builtins[cmd]->name; } bool udev_builtin_run_once(enum udev_builtin_cmd cmd) { - return builtins[cmd]->run_once; + return builtins[cmd]->run_once; } enum udev_builtin_cmd udev_builtin_lookup(const char *command) { - char name[UTIL_PATH_SIZE]; - enum udev_builtin_cmd i; - char *pos; - - util_strscpy(name, sizeof(name), command); - pos = strchr(name, ' '); - if (pos) - pos[0] = '\0'; - for (i = 0; i < ARRAY_SIZE(builtins); i++) - if (strcmp(builtins[i]->name, name) == 0) - return i; - return UDEV_BUILTIN_MAX; + char name[UTIL_PATH_SIZE]; + enum udev_builtin_cmd i; + char *pos; + + util_strscpy(name, sizeof(name), command); + pos = strchr(name, ' '); + if (pos) + pos[0] = '\0'; + for (i = 0; i < ARRAY_SIZE(builtins); i++) + if (strcmp(builtins[i]->name, name) == 0) + return i; + return UDEV_BUILTIN_MAX; } int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test) { - char arg[UTIL_PATH_SIZE]; - int argc; - char *argv[128]; - - optind = 0; - util_strscpy(arg, sizeof(arg), command); - udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv); - return builtins[cmd]->cmd(dev, argc, argv, test); + char arg[UTIL_PATH_SIZE]; + int argc; + char *argv[128]; + + optind = 0; + util_strscpy(arg, sizeof(arg), command); + udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv); + return builtins[cmd]->cmd(dev, argc, argv, test); } int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val) { - struct udev_list_entry *entry; + struct udev_list_entry *entry; - entry = udev_device_add_property(dev, key, val); - /* store in db, skip private keys */ - if (key[0] != '.') - udev_list_entry_set_num(entry, true); + entry = udev_device_add_property(dev, key, val); + /* store in db, skip private keys */ + if (key[0] != '.') + udev_list_entry_set_num(entry, true); - info(udev_device_get_udev(dev), "%s=%s\n", key, val); - if (test) - printf("%s=%s\n", key, val); - return 0; + info(udev_device_get_udev(dev), "%s=%s\n", key, val); + if (test) + printf("%s=%s\n", key, val); + return 0; } diff --git a/src/udev-ctrl.c b/src/udev-ctrl.c index fab1108de..5556f1a77 100644 --- a/src/udev-ctrl.c +++ b/src/udev-ctrl.c @@ -23,472 +23,472 @@ #include "udev.h" /* wire protocol magic must match */ -#define UDEV_CTRL_MAGIC 0xdead1dea +#define UDEV_CTRL_MAGIC 0xdead1dea enum udev_ctrl_msg_type { - UDEV_CTRL_UNKNOWN, - UDEV_CTRL_SET_LOG_LEVEL, - UDEV_CTRL_STOP_EXEC_QUEUE, - UDEV_CTRL_START_EXEC_QUEUE, - UDEV_CTRL_RELOAD, - UDEV_CTRL_SET_ENV, - UDEV_CTRL_SET_CHILDREN_MAX, - UDEV_CTRL_PING, - UDEV_CTRL_EXIT, + UDEV_CTRL_UNKNOWN, + UDEV_CTRL_SET_LOG_LEVEL, + UDEV_CTRL_STOP_EXEC_QUEUE, + UDEV_CTRL_START_EXEC_QUEUE, + UDEV_CTRL_RELOAD, + UDEV_CTRL_SET_ENV, + UDEV_CTRL_SET_CHILDREN_MAX, + UDEV_CTRL_PING, + UDEV_CTRL_EXIT, }; struct udev_ctrl_msg_wire { - char version[16]; - unsigned int magic; - enum udev_ctrl_msg_type type; - union { - int intval; - char buf[256]; - }; + char version[16]; + unsigned int magic; + enum udev_ctrl_msg_type type; + union { + int intval; + char buf[256]; + }; }; struct udev_ctrl_msg { - int refcount; - struct udev_ctrl_connection *conn; - struct udev_ctrl_msg_wire ctrl_msg_wire; + int refcount; + struct udev_ctrl_connection *conn; + struct udev_ctrl_msg_wire ctrl_msg_wire; }; struct udev_ctrl { - int refcount; - struct udev *udev; - int sock; - struct sockaddr_un saddr; - socklen_t addrlen; - bool bound; - bool cleanup_socket; - bool connected; + int refcount; + struct udev *udev; + int sock; + struct sockaddr_un saddr; + socklen_t addrlen; + bool bound; + bool cleanup_socket; + bool connected; }; struct udev_ctrl_connection { - int refcount; - struct udev_ctrl *uctrl; - int sock; + int refcount; + struct udev_ctrl *uctrl; + int sock; }; struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd) { - struct udev_ctrl *uctrl; - - uctrl = calloc(1, sizeof(struct udev_ctrl)); - if (uctrl == NULL) - return NULL; - uctrl->refcount = 1; - uctrl->udev = udev; - - if (fd < 0) { - uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0); - if (uctrl->sock < 0) { - err(udev, "error getting socket: %m\n"); - udev_ctrl_unref(uctrl); - return NULL; - } - } else { - uctrl->bound = true; - uctrl->sock = fd; - } - - uctrl->saddr.sun_family = AF_LOCAL; - util_strscpyl(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path), + struct udev_ctrl *uctrl; + + uctrl = calloc(1, sizeof(struct udev_ctrl)); + if (uctrl == NULL) + return NULL; + uctrl->refcount = 1; + uctrl->udev = udev; + + if (fd < 0) { + uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0); + if (uctrl->sock < 0) { + err(udev, "error getting socket: %m\n"); + udev_ctrl_unref(uctrl); + return NULL; + } + } else { + uctrl->bound = true; + uctrl->sock = fd; + } + + uctrl->saddr.sun_family = AF_LOCAL; + util_strscpyl(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path), udev_get_run_path(udev), "/control", NULL); - uctrl->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(uctrl->saddr.sun_path); - return uctrl; + uctrl->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(uctrl->saddr.sun_path); + return uctrl; } struct udev_ctrl *udev_ctrl_new(struct udev *udev) { - return udev_ctrl_new_from_fd(udev, -1); + return udev_ctrl_new_from_fd(udev, -1); } int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl) { - int err; - - if (!uctrl->bound) { - err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen); - if (err < 0 && errno == EADDRINUSE) { - unlink(uctrl->saddr.sun_path); - err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen); - } - - if (err < 0) { - err = -errno; - err(uctrl->udev, "bind failed: %m\n"); - return err; - } - - err = listen(uctrl->sock, 0); - if (err < 0) { - err = -errno; - err(uctrl->udev, "listen failed: %m\n"); - return err; - } - - uctrl->bound = true; - uctrl->cleanup_socket = true; - } - return 0; + int err; + + if (!uctrl->bound) { + err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen); + if (err < 0 && errno == EADDRINUSE) { + unlink(uctrl->saddr.sun_path); + err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen); + } + + if (err < 0) { + err = -errno; + err(uctrl->udev, "bind failed: %m\n"); + return err; + } + + err = listen(uctrl->sock, 0); + if (err < 0) { + err = -errno; + err(uctrl->udev, "listen failed: %m\n"); + return err; + } + + uctrl->bound = true; + uctrl->cleanup_socket = true; + } + return 0; } struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl) { - return uctrl->udev; + return uctrl->udev; } struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl) { - if (uctrl == NULL) - return NULL; - uctrl->refcount++; - return uctrl; + if (uctrl == NULL) + return NULL; + uctrl->refcount++; + return uctrl; } struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl) { - if (uctrl == NULL) - return NULL; - uctrl->refcount--; - if (uctrl->refcount > 0) - return uctrl; - if (uctrl->sock >= 0) - close(uctrl->sock); - free(uctrl); - return NULL; + if (uctrl == NULL) + return NULL; + uctrl->refcount--; + if (uctrl->refcount > 0) + return uctrl; + if (uctrl->sock >= 0) + close(uctrl->sock); + free(uctrl); + return NULL; } int udev_ctrl_cleanup(struct udev_ctrl *uctrl) { - if (uctrl == NULL) - return 0; - if (uctrl->cleanup_socket) - unlink(uctrl->saddr.sun_path); - return 0; + if (uctrl == NULL) + return 0; + if (uctrl->cleanup_socket) + unlink(uctrl->saddr.sun_path); + return 0; } int udev_ctrl_get_fd(struct udev_ctrl *uctrl) { - if (uctrl == NULL) - return -EINVAL; - return uctrl->sock; + if (uctrl == NULL) + return -EINVAL; + return uctrl->sock; } struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl) { - struct udev_ctrl_connection *conn; - struct ucred ucred; - socklen_t slen; - const int on = 1; - - conn = calloc(1, sizeof(struct udev_ctrl_connection)); - if (conn == NULL) - return NULL; - conn->refcount = 1; - conn->uctrl = uctrl; - - conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK); - if (conn->sock < 0) { - if (errno != EINTR) - err(uctrl->udev, "unable to receive ctrl connection: %m\n"); - goto err; - } - - /* check peer credential of connection */ - slen = sizeof(ucred); - if (getsockopt(conn->sock, SOL_SOCKET, SO_PEERCRED, &ucred, &slen) < 0) { - err(uctrl->udev, "unable to receive credentials of ctrl connection: %m\n"); - goto err; - } - if (ucred.uid > 0) { - err(uctrl->udev, "sender uid=%i, message ignored\n", ucred.uid); - goto err; - } - - /* enable receiving of the sender credentials in the messages */ - setsockopt(conn->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); - udev_ctrl_ref(uctrl); - return conn; + struct udev_ctrl_connection *conn; + struct ucred ucred; + socklen_t slen; + const int on = 1; + + conn = calloc(1, sizeof(struct udev_ctrl_connection)); + if (conn == NULL) + return NULL; + conn->refcount = 1; + conn->uctrl = uctrl; + + conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK); + if (conn->sock < 0) { + if (errno != EINTR) + err(uctrl->udev, "unable to receive ctrl connection: %m\n"); + goto err; + } + + /* check peer credential of connection */ + slen = sizeof(ucred); + if (getsockopt(conn->sock, SOL_SOCKET, SO_PEERCRED, &ucred, &slen) < 0) { + err(uctrl->udev, "unable to receive credentials of ctrl connection: %m\n"); + goto err; + } + if (ucred.uid > 0) { + err(uctrl->udev, "sender uid=%i, message ignored\n", ucred.uid); + goto err; + } + + /* enable receiving of the sender credentials in the messages */ + setsockopt(conn->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); + udev_ctrl_ref(uctrl); + return conn; err: - if (conn->sock >= 0) - close(conn->sock); - free(conn); - return NULL; + if (conn->sock >= 0) + close(conn->sock); + free(conn); + return NULL; } struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn) { - if (conn == NULL) - return NULL; - conn->refcount++; - return conn; + if (conn == NULL) + return NULL; + conn->refcount++; + return conn; } struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn) { - if (conn == NULL) - return NULL; - conn->refcount--; - if (conn->refcount > 0) - return conn; - if (conn->sock >= 0) - close(conn->sock); - udev_ctrl_unref(conn->uctrl); - free(conn); - return NULL; + if (conn == NULL) + return NULL; + conn->refcount--; + if (conn->refcount > 0) + return conn; + if (conn->sock >= 0) + close(conn->sock); + udev_ctrl_unref(conn->uctrl); + free(conn); + return NULL; } static int ctrl_send(struct udev_ctrl *uctrl, enum udev_ctrl_msg_type type, int intval, const char *buf, int timeout) { - struct udev_ctrl_msg_wire ctrl_msg_wire; - int err = 0; - - memset(&ctrl_msg_wire, 0x00, sizeof(struct udev_ctrl_msg_wire)); - strcpy(ctrl_msg_wire.version, "udev-" VERSION); - ctrl_msg_wire.magic = UDEV_CTRL_MAGIC; - ctrl_msg_wire.type = type; - - if (buf != NULL) - util_strscpy(ctrl_msg_wire.buf, sizeof(ctrl_msg_wire.buf), buf); - else - ctrl_msg_wire.intval = intval; - - if (!uctrl->connected) { - if (connect(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen) < 0) { - err = -errno; - goto out; - } - uctrl->connected = true; - } - if (send(uctrl->sock, &ctrl_msg_wire, sizeof(ctrl_msg_wire), 0) < 0) { - err = -errno; - goto out; - } - - /* wait for peer message handling or disconnect */ - for (;;) { - struct pollfd pfd[1]; - int r; - - pfd[0].fd = uctrl->sock; - pfd[0].events = POLLIN; - r = poll(pfd, 1, timeout * 1000); - if (r < 0) { - if (errno == EINTR) - continue; - err = -errno; - break; - } - - if (r > 0 && pfd[0].revents & POLLERR) { - err = -EIO; - break; - } - - if (r == 0) - err = -ETIMEDOUT; - break; - } + struct udev_ctrl_msg_wire ctrl_msg_wire; + int err = 0; + + memset(&ctrl_msg_wire, 0x00, sizeof(struct udev_ctrl_msg_wire)); + strcpy(ctrl_msg_wire.version, "udev-" VERSION); + ctrl_msg_wire.magic = UDEV_CTRL_MAGIC; + ctrl_msg_wire.type = type; + + if (buf != NULL) + util_strscpy(ctrl_msg_wire.buf, sizeof(ctrl_msg_wire.buf), buf); + else + ctrl_msg_wire.intval = intval; + + if (!uctrl->connected) { + if (connect(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen) < 0) { + err = -errno; + goto out; + } + uctrl->connected = true; + } + if (send(uctrl->sock, &ctrl_msg_wire, sizeof(ctrl_msg_wire), 0) < 0) { + err = -errno; + goto out; + } + + /* wait for peer message handling or disconnect */ + for (;;) { + struct pollfd pfd[1]; + int r; + + pfd[0].fd = uctrl->sock; + pfd[0].events = POLLIN; + r = poll(pfd, 1, timeout * 1000); + if (r < 0) { + if (errno == EINTR) + continue; + err = -errno; + break; + } + + if (r > 0 && pfd[0].revents & POLLERR) { + err = -EIO; + break; + } + + if (r == 0) + err = -ETIMEDOUT; + break; + } out: - return err; + return err; } int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, priority, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, priority, NULL, timeout); } int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, 0, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, 0, NULL, timeout); } int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, 0, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, 0, NULL, timeout); } int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_RELOAD, 0, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_RELOAD, 0, NULL, timeout); } int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_SET_ENV, 0, key, timeout); + return ctrl_send(uctrl, UDEV_CTRL_SET_ENV, 0, key, timeout); } int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, count, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, count, NULL, timeout); } int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_PING, 0, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_PING, 0, NULL, timeout); } int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout) { - return ctrl_send(uctrl, UDEV_CTRL_EXIT, 0, NULL, timeout); + return ctrl_send(uctrl, UDEV_CTRL_EXIT, 0, NULL, timeout); } struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn) { - struct udev *udev = conn->uctrl->udev; - struct udev_ctrl_msg *uctrl_msg; - ssize_t size; - struct msghdr smsg; - struct cmsghdr *cmsg; - struct iovec iov; - struct ucred *cred; - char cred_msg[CMSG_SPACE(sizeof(struct ucred))]; - - uctrl_msg = calloc(1, sizeof(struct udev_ctrl_msg)); - if (uctrl_msg == NULL) - return NULL; - uctrl_msg->refcount = 1; - uctrl_msg->conn = conn; - udev_ctrl_connection_ref(conn); - - /* wait for the incoming message */ - for(;;) { - struct pollfd pfd[1]; - int r; - - pfd[0].fd = conn->sock; - pfd[0].events = POLLIN; - - r = poll(pfd, 1, 10000); - if (r < 0) { - if (errno == EINTR) - continue; - goto err; - } else if (r == 0) { - err(udev, "timeout waiting for ctrl message\n"); - goto err; - } else { - if (!(pfd[0].revents & POLLIN)) { - err(udev, "ctrl connection error: %m\n"); - goto err; - } - } - - break; - } - - iov.iov_base = &uctrl_msg->ctrl_msg_wire; - iov.iov_len = sizeof(struct udev_ctrl_msg_wire); - memset(&smsg, 0x00, sizeof(struct msghdr)); - smsg.msg_iov = &iov; - smsg.msg_iovlen = 1; - smsg.msg_control = cred_msg; - smsg.msg_controllen = sizeof(cred_msg); - size = recvmsg(conn->sock, &smsg, 0); - if (size < 0) { - err(udev, "unable to receive ctrl message: %m\n"); - goto err; - } - cmsg = CMSG_FIRSTHDR(&smsg); - cred = (struct ucred *) CMSG_DATA(cmsg); - - if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) { - err(udev, "no sender credentials received, message ignored\n"); - goto err; - } - - if (cred->uid != 0) { - err(udev, "sender uid=%i, message ignored\n", cred->uid); - goto err; - } - - if (uctrl_msg->ctrl_msg_wire.magic != UDEV_CTRL_MAGIC) { - err(udev, "message magic 0x%08x doesn't match, ignore it\n", uctrl_msg->ctrl_msg_wire.magic); - goto err; - } - - dbg(udev, "created ctrl_msg %p (%i)\n", uctrl_msg, uctrl_msg->ctrl_msg_wire.type); - return uctrl_msg; + struct udev *udev = conn->uctrl->udev; + struct udev_ctrl_msg *uctrl_msg; + ssize_t size; + struct msghdr smsg; + struct cmsghdr *cmsg; + struct iovec iov; + struct ucred *cred; + char cred_msg[CMSG_SPACE(sizeof(struct ucred))]; + + uctrl_msg = calloc(1, sizeof(struct udev_ctrl_msg)); + if (uctrl_msg == NULL) + return NULL; + uctrl_msg->refcount = 1; + uctrl_msg->conn = conn; + udev_ctrl_connection_ref(conn); + + /* wait for the incoming message */ + for(;;) { + struct pollfd pfd[1]; + int r; + + pfd[0].fd = conn->sock; + pfd[0].events = POLLIN; + + r = poll(pfd, 1, 10000); + if (r < 0) { + if (errno == EINTR) + continue; + goto err; + } else if (r == 0) { + err(udev, "timeout waiting for ctrl message\n"); + goto err; + } else { + if (!(pfd[0].revents & POLLIN)) { + err(udev, "ctrl connection error: %m\n"); + goto err; + } + } + + break; + } + + iov.iov_base = &uctrl_msg->ctrl_msg_wire; + iov.iov_len = sizeof(struct udev_ctrl_msg_wire); + memset(&smsg, 0x00, sizeof(struct msghdr)); + smsg.msg_iov = &iov; + smsg.msg_iovlen = 1; + smsg.msg_control = cred_msg; + smsg.msg_controllen = sizeof(cred_msg); + size = recvmsg(conn->sock, &smsg, 0); + if (size < 0) { + err(udev, "unable to receive ctrl message: %m\n"); + goto err; + } + cmsg = CMSG_FIRSTHDR(&smsg); + cred = (struct ucred *) CMSG_DATA(cmsg); + + if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) { + err(udev, "no sender credentials received, message ignored\n"); + goto err; + } + + if (cred->uid != 0) { + err(udev, "sender uid=%i, message ignored\n", cred->uid); + goto err; + } + + if (uctrl_msg->ctrl_msg_wire.magic != UDEV_CTRL_MAGIC) { + err(udev, "message magic 0x%08x doesn't match, ignore it\n", uctrl_msg->ctrl_msg_wire.magic); + goto err; + } + + dbg(udev, "created ctrl_msg %p (%i)\n", uctrl_msg, uctrl_msg->ctrl_msg_wire.type); + return uctrl_msg; err: - udev_ctrl_msg_unref(uctrl_msg); - return NULL; + udev_ctrl_msg_unref(uctrl_msg); + return NULL; } struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg == NULL) - return NULL; - ctrl_msg->refcount++; - return ctrl_msg; + if (ctrl_msg == NULL) + return NULL; + ctrl_msg->refcount++; + return ctrl_msg; } struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg == NULL) - return NULL; - ctrl_msg->refcount--; - if (ctrl_msg->refcount > 0) - return ctrl_msg; - dbg(ctrl_msg->conn->uctrl->udev, "release ctrl_msg %p\n", ctrl_msg); - udev_ctrl_connection_unref(ctrl_msg->conn); - free(ctrl_msg); - return NULL; + if (ctrl_msg == NULL) + return NULL; + ctrl_msg->refcount--; + if (ctrl_msg->refcount > 0) + return ctrl_msg; + dbg(ctrl_msg->conn->uctrl->udev, "release ctrl_msg %p\n", ctrl_msg); + udev_ctrl_connection_unref(ctrl_msg->conn); + free(ctrl_msg); + return NULL; } int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_LOG_LEVEL) - return ctrl_msg->ctrl_msg_wire.intval; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_LOG_LEVEL) + return ctrl_msg->ctrl_msg_wire.intval; + return -1; } int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_STOP_EXEC_QUEUE) - return 1; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_STOP_EXEC_QUEUE) + return 1; + return -1; } int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_START_EXEC_QUEUE) - return 1; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_START_EXEC_QUEUE) + return 1; + return -1; } int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_RELOAD) - return 1; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_RELOAD) + return 1; + return -1; } const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_ENV) - return ctrl_msg->ctrl_msg_wire.buf; - return NULL; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_ENV) + return ctrl_msg->ctrl_msg_wire.buf; + return NULL; } int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_CHILDREN_MAX) - return ctrl_msg->ctrl_msg_wire.intval; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_CHILDREN_MAX) + return ctrl_msg->ctrl_msg_wire.intval; + return -1; } int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_PING) - return 1; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_PING) + return 1; + return -1; } int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg) { - if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_EXIT) - return 1; - return -1; + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_EXIT) + return 1; + return -1; } diff --git a/src/udev-event.c b/src/udev-event.c index 859d811bf..9bdc5186d 100644 --- a/src/udev-event.c +++ b/src/udev-event.c @@ -38,968 +38,968 @@ struct udev_event *udev_event_new(struct udev_device *dev) { - struct udev *udev = udev_device_get_udev(dev); - struct udev_event *event; - - event = calloc(1, sizeof(struct udev_event)); - if (event == NULL) - return NULL; - event->dev = dev; - event->udev = udev; - udev_list_init(udev, &event->run_list, false); - event->fd_signal = -1; - event->birth_usec = now_usec(); - event->timeout_usec = 60 * 1000 * 1000; - dbg(event->udev, "allocated event %p\n", event); - return event; + struct udev *udev = udev_device_get_udev(dev); + struct udev_event *event; + + event = calloc(1, sizeof(struct udev_event)); + if (event == NULL) + return NULL; + event->dev = dev; + event->udev = udev; + udev_list_init(udev, &event->run_list, false); + event->fd_signal = -1; + event->birth_usec = now_usec(); + event->timeout_usec = 60 * 1000 * 1000; + dbg(event->udev, "allocated event %p\n", event); + return event; } void udev_event_unref(struct udev_event *event) { - if (event == NULL) - return; - udev_list_cleanup(&event->run_list); - free(event->program_result); - free(event->name); - dbg(event->udev, "free event %p\n", event); - free(event); + if (event == NULL) + return; + udev_list_cleanup(&event->run_list); + free(event->program_result); + free(event->name); + dbg(event->udev, "free event %p\n", event); + free(event); } size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size) { - struct udev_device *dev = event->dev; - enum subst_type { - SUBST_UNKNOWN, - SUBST_DEVNODE, - SUBST_ATTR, - SUBST_ENV, - SUBST_KERNEL, - SUBST_KERNEL_NUMBER, - SUBST_DRIVER, - SUBST_DEVPATH, - SUBST_ID, - SUBST_MAJOR, - SUBST_MINOR, - SUBST_RESULT, - SUBST_PARENT, - SUBST_NAME, - SUBST_LINKS, - SUBST_ROOT, - SUBST_SYS, - }; - static const struct subst_map { - char *name; - char fmt; - enum subst_type type; - } map[] = { - { .name = "devnode", .fmt = 'N', .type = SUBST_DEVNODE }, - { .name = "tempnode", .fmt = 'N', .type = SUBST_DEVNODE }, - { .name = "attr", .fmt = 's', .type = SUBST_ATTR }, - { .name = "sysfs", .fmt = 's', .type = SUBST_ATTR }, - { .name = "env", .fmt = 'E', .type = SUBST_ENV }, - { .name = "kernel", .fmt = 'k', .type = SUBST_KERNEL }, - { .name = "number", .fmt = 'n', .type = SUBST_KERNEL_NUMBER }, - { .name = "driver", .fmt = 'd', .type = SUBST_DRIVER }, - { .name = "devpath", .fmt = 'p', .type = SUBST_DEVPATH }, - { .name = "id", .fmt = 'b', .type = SUBST_ID }, - { .name = "major", .fmt = 'M', .type = SUBST_MAJOR }, - { .name = "minor", .fmt = 'm', .type = SUBST_MINOR }, - { .name = "result", .fmt = 'c', .type = SUBST_RESULT }, - { .name = "parent", .fmt = 'P', .type = SUBST_PARENT }, - { .name = "name", .fmt = 'D', .type = SUBST_NAME }, - { .name = "links", .fmt = 'L', .type = SUBST_LINKS }, - { .name = "root", .fmt = 'r', .type = SUBST_ROOT }, - { .name = "sys", .fmt = 'S', .type = SUBST_SYS }, - }; - const char *from; - char *s; - size_t l; - - from = src; - s = dest; - l = size; - - for (;;) { - enum subst_type type = SUBST_UNKNOWN; - char attrbuf[UTIL_PATH_SIZE]; - char *attr = NULL; - - while (from[0] != '\0') { - if (from[0] == '$') { - /* substitute named variable */ - unsigned int i; - - if (from[1] == '$') { - from++; - goto copy; - } - - for (i = 0; i < ARRAY_SIZE(map); i++) { - if (strncmp(&from[1], map[i].name, strlen(map[i].name)) == 0) { - type = map[i].type; - from += strlen(map[i].name)+1; - dbg(event->udev, "will substitute format name '%s'\n", map[i].name); - goto subst; - } - } - } else if (from[0] == '%') { - /* substitute format char */ - unsigned int i; - - if (from[1] == '%') { - from++; - goto copy; - } - - for (i = 0; i < ARRAY_SIZE(map); i++) { - if (from[1] == map[i].fmt) { - type = map[i].type; - from += 2; - dbg(event->udev, "will substitute format char '%c'\n", map[i].fmt); - goto subst; - } - } - } + struct udev_device *dev = event->dev; + enum subst_type { + SUBST_UNKNOWN, + SUBST_DEVNODE, + SUBST_ATTR, + SUBST_ENV, + SUBST_KERNEL, + SUBST_KERNEL_NUMBER, + SUBST_DRIVER, + SUBST_DEVPATH, + SUBST_ID, + SUBST_MAJOR, + SUBST_MINOR, + SUBST_RESULT, + SUBST_PARENT, + SUBST_NAME, + SUBST_LINKS, + SUBST_ROOT, + SUBST_SYS, + }; + static const struct subst_map { + char *name; + char fmt; + enum subst_type type; + } map[] = { + { .name = "devnode", .fmt = 'N', .type = SUBST_DEVNODE }, + { .name = "tempnode", .fmt = 'N', .type = SUBST_DEVNODE }, + { .name = "attr", .fmt = 's', .type = SUBST_ATTR }, + { .name = "sysfs", .fmt = 's', .type = SUBST_ATTR }, + { .name = "env", .fmt = 'E', .type = SUBST_ENV }, + { .name = "kernel", .fmt = 'k', .type = SUBST_KERNEL }, + { .name = "number", .fmt = 'n', .type = SUBST_KERNEL_NUMBER }, + { .name = "driver", .fmt = 'd', .type = SUBST_DRIVER }, + { .name = "devpath", .fmt = 'p', .type = SUBST_DEVPATH }, + { .name = "id", .fmt = 'b', .type = SUBST_ID }, + { .name = "major", .fmt = 'M', .type = SUBST_MAJOR }, + { .name = "minor", .fmt = 'm', .type = SUBST_MINOR }, + { .name = "result", .fmt = 'c', .type = SUBST_RESULT }, + { .name = "parent", .fmt = 'P', .type = SUBST_PARENT }, + { .name = "name", .fmt = 'D', .type = SUBST_NAME }, + { .name = "links", .fmt = 'L', .type = SUBST_LINKS }, + { .name = "root", .fmt = 'r', .type = SUBST_ROOT }, + { .name = "sys", .fmt = 'S', .type = SUBST_SYS }, + }; + const char *from; + char *s; + size_t l; + + from = src; + s = dest; + l = size; + + for (;;) { + enum subst_type type = SUBST_UNKNOWN; + char attrbuf[UTIL_PATH_SIZE]; + char *attr = NULL; + + while (from[0] != '\0') { + if (from[0] == '$') { + /* substitute named variable */ + unsigned int i; + + if (from[1] == '$') { + from++; + goto copy; + } + + for (i = 0; i < ARRAY_SIZE(map); i++) { + if (strncmp(&from[1], map[i].name, strlen(map[i].name)) == 0) { + type = map[i].type; + from += strlen(map[i].name)+1; + dbg(event->udev, "will substitute format name '%s'\n", map[i].name); + goto subst; + } + } + } else if (from[0] == '%') { + /* substitute format char */ + unsigned int i; + + if (from[1] == '%') { + from++; + goto copy; + } + + for (i = 0; i < ARRAY_SIZE(map); i++) { + if (from[1] == map[i].fmt) { + type = map[i].type; + from += 2; + dbg(event->udev, "will substitute format char '%c'\n", map[i].fmt); + goto subst; + } + } + } copy: - /* copy char */ - if (l == 0) - goto out; - s[0] = from[0]; - from++; - s++; - l--; - } - - goto out; + /* copy char */ + if (l == 0) + goto out; + s[0] = from[0]; + from++; + s++; + l--; + } + + goto out; subst: - /* extract possible $format{attr} */ - if (from[0] == '{') { - unsigned int i; - - from++; - for (i = 0; from[i] != '}'; i++) { - if (from[i] == '\0') { - err(event->udev, "missing closing brace for format '%s'\n", src); - goto out; - } - } - if (i >= sizeof(attrbuf)) - goto out; - memcpy(attrbuf, from, i); - attrbuf[i] = '\0'; - from += i+1; - attr = attrbuf; - } else { - attr = NULL; - } - - switch (type) { - case SUBST_DEVPATH: - l = util_strpcpy(&s, l, udev_device_get_devpath(dev)); - dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev)); - break; - case SUBST_KERNEL: - l = util_strpcpy(&s, l, udev_device_get_sysname(dev)); - dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev)); - break; - case SUBST_KERNEL_NUMBER: - if (udev_device_get_sysnum(dev) == NULL) - break; - l = util_strpcpy(&s, l, udev_device_get_sysnum(dev)); - dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev)); - break; - case SUBST_ID: - if (event->dev_parent == NULL) - break; - l = util_strpcpy(&s, l, udev_device_get_sysname(event->dev_parent)); - dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent)); - break; - case SUBST_DRIVER: { - const char *driver; - - if (event->dev_parent == NULL) - break; - - driver = udev_device_get_driver(event->dev_parent); - if (driver == NULL) - break; - l = util_strpcpy(&s, l, driver); - dbg(event->udev, "substitute driver '%s'\n", driver); - break; - } - case SUBST_MAJOR: { - char num[UTIL_PATH_SIZE]; - - sprintf(num, "%d", major(udev_device_get_devnum(dev))); - l = util_strpcpy(&s, l, num); - dbg(event->udev, "substitute major number '%s'\n", num); - break; - } - case SUBST_MINOR: { - char num[UTIL_PATH_SIZE]; - - sprintf(num, "%d", minor(udev_device_get_devnum(dev))); - l = util_strpcpy(&s, l, num); - dbg(event->udev, "substitute minor number '%s'\n", num); - break; - } - case SUBST_RESULT: { - char *rest; - int i; - - if (event->program_result == NULL) - break; - /* get part part of the result string */ - i = 0; - if (attr != NULL) - i = strtoul(attr, &rest, 10); - if (i > 0) { - char result[UTIL_PATH_SIZE]; - char tmp[UTIL_PATH_SIZE]; - char *cpos; - - dbg(event->udev, "request part #%d of result string\n", i); - util_strscpy(result, sizeof(result), event->program_result); - cpos = result; - while (--i) { - while (cpos[0] != '\0' && !isspace(cpos[0])) - cpos++; - while (isspace(cpos[0])) - cpos++; - } - if (i > 0) { - err(event->udev, "requested part of result string not found\n"); - break; - } - util_strscpy(tmp, sizeof(tmp), cpos); - /* %{2+}c copies the whole string from the second part on */ - if (rest[0] != '+') { - cpos = strchr(tmp, ' '); - if (cpos) - cpos[0] = '\0'; - } - l = util_strpcpy(&s, l, tmp); - dbg(event->udev, "substitute part of result string '%s'\n", tmp); - } else { - l = util_strpcpy(&s, l, event->program_result); - dbg(event->udev, "substitute result string '%s'\n", event->program_result); - } - break; - } - case SUBST_ATTR: { - const char *value = NULL; - char vbuf[UTIL_NAME_SIZE]; - size_t len; - int count; - - if (attr == NULL) { - err(event->udev, "missing file parameter for attr\n"); - break; - } - - /* try to read the value specified by "[dmi/id]product_name" */ - if (util_resolve_subsys_kernel(event->udev, attr, vbuf, sizeof(vbuf), 1) == 0) - value = vbuf; - - /* try to read the attribute the device */ - if (value == NULL) - value = udev_device_get_sysattr_value(event->dev, attr); - - /* try to read the attribute of the parent device, other matches have selected */ - if (value == NULL && event->dev_parent != NULL && event->dev_parent != event->dev) - value = udev_device_get_sysattr_value(event->dev_parent, attr); - - if (value == NULL) - break; - - /* strip trailing whitespace, and replace unwanted characters */ - if (value != vbuf) - util_strscpy(vbuf, sizeof(vbuf), value); - len = strlen(vbuf); - while (len > 0 && isspace(vbuf[--len])) - vbuf[len] = '\0'; - count = util_replace_chars(vbuf, UDEV_ALLOWED_CHARS_INPUT); - if (count > 0) - info(event->udev, "%i character(s) replaced\n" , count); - l = util_strpcpy(&s, l, vbuf); - dbg(event->udev, "substitute sysfs value '%s'\n", vbuf); - break; - } - case SUBST_PARENT: { - struct udev_device *dev_parent; - const char *devnode; - - dev_parent = udev_device_get_parent(event->dev); - if (dev_parent == NULL) - break; - devnode = udev_device_get_devnode(dev_parent); - if (devnode != NULL) { - size_t devlen = strlen(udev_get_dev_path(event->udev))+1; - - l = util_strpcpy(&s, l, &devnode[devlen]); - dbg(event->udev, "found parent '%s', got node name '%s'\n", - udev_device_get_syspath(dev_parent), &devnode[devlen]); - } - break; - } - case SUBST_DEVNODE: - if (udev_device_get_devnode(dev) != NULL) - l = util_strpcpy(&s, l, udev_device_get_devnode(dev)); - break; - case SUBST_NAME: - if (event->name != NULL) { - l = util_strpcpy(&s, l, event->name); - dbg(event->udev, "substitute name '%s'\n", event->name); - } else { - l = util_strpcpy(&s, l, udev_device_get_sysname(dev)); - dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev)); - } - break; - case SUBST_LINKS: { - size_t devlen = strlen(udev_get_dev_path(event->udev))+1; - struct udev_list_entry *list_entry; - - list_entry = udev_device_get_devlinks_list_entry(dev); - if (list_entry == NULL) - break; - l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]); - udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) - l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL); - break; - } - case SUBST_ROOT: - l = util_strpcpy(&s, l, udev_get_dev_path(event->udev)); - dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev)); - break; - case SUBST_SYS: - l = util_strpcpy(&s, l, udev_get_sys_path(event->udev)); - dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev)); - break; - case SUBST_ENV: - if (attr == NULL) { - dbg(event->udev, "missing attribute\n"); - break; - } else { - const char *value; - - value = udev_device_get_property_value(event->dev, attr); - if (value == NULL) - break; - dbg(event->udev, "substitute env '%s=%s'\n", attr, value); - l = util_strpcpy(&s, l, value); - break; - } - default: - err(event->udev, "unknown substitution type=%i\n", type); - break; - } - } + /* extract possible $format{attr} */ + if (from[0] == '{') { + unsigned int i; + + from++; + for (i = 0; from[i] != '}'; i++) { + if (from[i] == '\0') { + err(event->udev, "missing closing brace for format '%s'\n", src); + goto out; + } + } + if (i >= sizeof(attrbuf)) + goto out; + memcpy(attrbuf, from, i); + attrbuf[i] = '\0'; + from += i+1; + attr = attrbuf; + } else { + attr = NULL; + } + + switch (type) { + case SUBST_DEVPATH: + l = util_strpcpy(&s, l, udev_device_get_devpath(dev)); + dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev)); + break; + case SUBST_KERNEL: + l = util_strpcpy(&s, l, udev_device_get_sysname(dev)); + dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev)); + break; + case SUBST_KERNEL_NUMBER: + if (udev_device_get_sysnum(dev) == NULL) + break; + l = util_strpcpy(&s, l, udev_device_get_sysnum(dev)); + dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev)); + break; + case SUBST_ID: + if (event->dev_parent == NULL) + break; + l = util_strpcpy(&s, l, udev_device_get_sysname(event->dev_parent)); + dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent)); + break; + case SUBST_DRIVER: { + const char *driver; + + if (event->dev_parent == NULL) + break; + + driver = udev_device_get_driver(event->dev_parent); + if (driver == NULL) + break; + l = util_strpcpy(&s, l, driver); + dbg(event->udev, "substitute driver '%s'\n", driver); + break; + } + case SUBST_MAJOR: { + char num[UTIL_PATH_SIZE]; + + sprintf(num, "%d", major(udev_device_get_devnum(dev))); + l = util_strpcpy(&s, l, num); + dbg(event->udev, "substitute major number '%s'\n", num); + break; + } + case SUBST_MINOR: { + char num[UTIL_PATH_SIZE]; + + sprintf(num, "%d", minor(udev_device_get_devnum(dev))); + l = util_strpcpy(&s, l, num); + dbg(event->udev, "substitute minor number '%s'\n", num); + break; + } + case SUBST_RESULT: { + char *rest; + int i; + + if (event->program_result == NULL) + break; + /* get part part of the result string */ + i = 0; + if (attr != NULL) + i = strtoul(attr, &rest, 10); + if (i > 0) { + char result[UTIL_PATH_SIZE]; + char tmp[UTIL_PATH_SIZE]; + char *cpos; + + dbg(event->udev, "request part #%d of result string\n", i); + util_strscpy(result, sizeof(result), event->program_result); + cpos = result; + while (--i) { + while (cpos[0] != '\0' && !isspace(cpos[0])) + cpos++; + while (isspace(cpos[0])) + cpos++; + } + if (i > 0) { + err(event->udev, "requested part of result string not found\n"); + break; + } + util_strscpy(tmp, sizeof(tmp), cpos); + /* %{2+}c copies the whole string from the second part on */ + if (rest[0] != '+') { + cpos = strchr(tmp, ' '); + if (cpos) + cpos[0] = '\0'; + } + l = util_strpcpy(&s, l, tmp); + dbg(event->udev, "substitute part of result string '%s'\n", tmp); + } else { + l = util_strpcpy(&s, l, event->program_result); + dbg(event->udev, "substitute result string '%s'\n", event->program_result); + } + break; + } + case SUBST_ATTR: { + const char *value = NULL; + char vbuf[UTIL_NAME_SIZE]; + size_t len; + int count; + + if (attr == NULL) { + err(event->udev, "missing file parameter for attr\n"); + break; + } + + /* try to read the value specified by "[dmi/id]product_name" */ + if (util_resolve_subsys_kernel(event->udev, attr, vbuf, sizeof(vbuf), 1) == 0) + value = vbuf; + + /* try to read the attribute the device */ + if (value == NULL) + value = udev_device_get_sysattr_value(event->dev, attr); + + /* try to read the attribute of the parent device, other matches have selected */ + if (value == NULL && event->dev_parent != NULL && event->dev_parent != event->dev) + value = udev_device_get_sysattr_value(event->dev_parent, attr); + + if (value == NULL) + break; + + /* strip trailing whitespace, and replace unwanted characters */ + if (value != vbuf) + util_strscpy(vbuf, sizeof(vbuf), value); + len = strlen(vbuf); + while (len > 0 && isspace(vbuf[--len])) + vbuf[len] = '\0'; + count = util_replace_chars(vbuf, UDEV_ALLOWED_CHARS_INPUT); + if (count > 0) + info(event->udev, "%i character(s) replaced\n" , count); + l = util_strpcpy(&s, l, vbuf); + dbg(event->udev, "substitute sysfs value '%s'\n", vbuf); + break; + } + case SUBST_PARENT: { + struct udev_device *dev_parent; + const char *devnode; + + dev_parent = udev_device_get_parent(event->dev); + if (dev_parent == NULL) + break; + devnode = udev_device_get_devnode(dev_parent); + if (devnode != NULL) { + size_t devlen = strlen(udev_get_dev_path(event->udev))+1; + + l = util_strpcpy(&s, l, &devnode[devlen]); + dbg(event->udev, "found parent '%s', got node name '%s'\n", + udev_device_get_syspath(dev_parent), &devnode[devlen]); + } + break; + } + case SUBST_DEVNODE: + if (udev_device_get_devnode(dev) != NULL) + l = util_strpcpy(&s, l, udev_device_get_devnode(dev)); + break; + case SUBST_NAME: + if (event->name != NULL) { + l = util_strpcpy(&s, l, event->name); + dbg(event->udev, "substitute name '%s'\n", event->name); + } else { + l = util_strpcpy(&s, l, udev_device_get_sysname(dev)); + dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev)); + } + break; + case SUBST_LINKS: { + size_t devlen = strlen(udev_get_dev_path(event->udev))+1; + struct udev_list_entry *list_entry; + + list_entry = udev_device_get_devlinks_list_entry(dev); + if (list_entry == NULL) + break; + l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]); + udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) + l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL); + break; + } + case SUBST_ROOT: + l = util_strpcpy(&s, l, udev_get_dev_path(event->udev)); + dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev)); + break; + case SUBST_SYS: + l = util_strpcpy(&s, l, udev_get_sys_path(event->udev)); + dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev)); + break; + case SUBST_ENV: + if (attr == NULL) { + dbg(event->udev, "missing attribute\n"); + break; + } else { + const char *value; + + value = udev_device_get_property_value(event->dev, attr); + if (value == NULL) + break; + dbg(event->udev, "substitute env '%s=%s'\n", attr, value); + l = util_strpcpy(&s, l, value); + break; + } + default: + err(event->udev, "unknown substitution type=%i\n", type); + break; + } + } out: - s[0] = '\0'; - dbg(event->udev, "'%s' -> '%s' (%zu)\n", src, dest, l); - return l; + s[0] = '\0'; + dbg(event->udev, "'%s' -> '%s' (%zu)\n", src, dest, l); + return l; } static int spawn_exec(struct udev_event *event, - const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask, - int fd_stdout, int fd_stderr) + const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask, + int fd_stdout, int fd_stderr) { - struct udev *udev = event->udev; - int err; - int fd; - - /* discard child output or connect to pipe */ - fd = open("/dev/null", O_RDWR); - if (fd >= 0) { - dup2(fd, STDIN_FILENO); - if (fd_stdout < 0) - dup2(fd, STDOUT_FILENO); - if (fd_stderr < 0) - dup2(fd, STDERR_FILENO); - close(fd); - } else { - err(udev, "open /dev/null failed: %m\n"); - } - - /* connect pipes to std{out,err} */ - if (fd_stdout >= 0) { - dup2(fd_stdout, STDOUT_FILENO); - close(fd_stdout); - } - if (fd_stderr >= 0) { - dup2(fd_stderr, STDERR_FILENO); - close(fd_stderr); - } - - /* terminate child in case parent goes away */ - prctl(PR_SET_PDEATHSIG, SIGTERM); - - /* restore original udev sigmask before exec */ - if (sigmask) - sigprocmask(SIG_SETMASK, sigmask, NULL); - - execve(argv[0], argv, envp); - - /* exec failed */ - err = -errno; - err(udev, "failed to execute '%s' '%s': %m\n", argv[0], cmd); - return err; + struct udev *udev = event->udev; + int err; + int fd; + + /* discard child output or connect to pipe */ + fd = open("/dev/null", O_RDWR); + if (fd >= 0) { + dup2(fd, STDIN_FILENO); + if (fd_stdout < 0) + dup2(fd, STDOUT_FILENO); + if (fd_stderr < 0) + dup2(fd, STDERR_FILENO); + close(fd); + } else { + err(udev, "open /dev/null failed: %m\n"); + } + + /* connect pipes to std{out,err} */ + if (fd_stdout >= 0) { + dup2(fd_stdout, STDOUT_FILENO); + close(fd_stdout); + } + if (fd_stderr >= 0) { + dup2(fd_stderr, STDERR_FILENO); + close(fd_stderr); + } + + /* terminate child in case parent goes away */ + prctl(PR_SET_PDEATHSIG, SIGTERM); + + /* restore original udev sigmask before exec */ + if (sigmask) + sigprocmask(SIG_SETMASK, sigmask, NULL); + + execve(argv[0], argv, envp); + + /* exec failed */ + err = -errno; + err(udev, "failed to execute '%s' '%s': %m\n", argv[0], cmd); + return err; } static void spawn_read(struct udev_event *event, - const char *cmd, - int fd_stdout, int fd_stderr, - char *result, size_t ressize) + const char *cmd, + int fd_stdout, int fd_stderr, + char *result, size_t ressize) { - struct udev *udev = event->udev; - size_t respos = 0; - int fd_ep = -1; - struct epoll_event ep_outpipe, ep_errpipe; - - /* read from child if requested */ - if (fd_stdout < 0 && fd_stderr < 0) - return; - - fd_ep = epoll_create1(EPOLL_CLOEXEC); - if (fd_ep < 0) { - err(udev, "error creating epoll fd: %m\n"); - goto out; - } - - if (fd_stdout >= 0) { - memset(&ep_outpipe, 0, sizeof(struct epoll_event)); - ep_outpipe.events = EPOLLIN; - ep_outpipe.data.ptr = &fd_stdout; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe) < 0) { - err(udev, "fail to add fd to epoll: %m\n"); - goto out; - } - } - - if (fd_stderr >= 0) { - memset(&ep_errpipe, 0, sizeof(struct epoll_event)); - ep_errpipe.events = EPOLLIN; - ep_errpipe.data.ptr = &fd_stderr; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe) < 0) { - err(udev, "fail to add fd to epoll: %m\n"); - goto out; - } - } - - /* read child output */ - while (fd_stdout >= 0 || fd_stderr >= 0) { - int timeout; - int fdcount; - struct epoll_event ev[4]; - int i; - - if (event->timeout_usec > 0) { - unsigned long long age_usec; - - age_usec = now_usec() - event->birth_usec; - if (age_usec >= event->timeout_usec) { - err(udev, "timeout '%s'\n", cmd); - goto out; - } - timeout = ((event->timeout_usec - age_usec) / 1000) + 1000; - } else { - timeout = -1; - } - - fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout); - if (fdcount < 0) { - if (errno == EINTR) - continue; - err(udev, "failed to poll: %m\n"); - goto out; - } - if (fdcount == 0) { - err(udev, "timeout '%s'\n", cmd); - goto out; - } - - for (i = 0; i < fdcount; i++) { - int *fd = (int *)ev[i].data.ptr; - - if (ev[i].events & EPOLLIN) { - ssize_t count; - char buf[4096]; - - count = read(*fd, buf, sizeof(buf)-1); - if (count <= 0) - continue; - buf[count] = '\0'; - - /* store stdout result */ - if (result != NULL && *fd == fd_stdout) { - if (respos + count < ressize) { - memcpy(&result[respos], buf, count); - respos += count; - } else { - err(udev, "'%s' ressize %zd too short\n", cmd, ressize); - } - } - - /* log debug output only if we watch stderr */ - if (fd_stderr >= 0) { - char *pos; - char *line; - - pos = buf; - while ((line = strsep(&pos, "\n"))) { - if (pos != NULL || line[0] != '\0') - info(udev, "'%s'(%s) '%s'\n", cmd, *fd == fd_stdout ? "out" : "err" , line); - } - } - } else if (ev[i].events & EPOLLHUP) { - if (epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL) < 0) { - err(udev, "failed to remove fd from epoll: %m\n"); - goto out; - } - *fd = -1; - } - } - } - - /* return the child's stdout string */ - if (result != NULL) { - result[respos] = '\0'; - dbg(udev, "result='%s'\n", result); - } + struct udev *udev = event->udev; + size_t respos = 0; + int fd_ep = -1; + struct epoll_event ep_outpipe, ep_errpipe; + + /* read from child if requested */ + if (fd_stdout < 0 && fd_stderr < 0) + return; + + fd_ep = epoll_create1(EPOLL_CLOEXEC); + if (fd_ep < 0) { + err(udev, "error creating epoll fd: %m\n"); + goto out; + } + + if (fd_stdout >= 0) { + memset(&ep_outpipe, 0, sizeof(struct epoll_event)); + ep_outpipe.events = EPOLLIN; + ep_outpipe.data.ptr = &fd_stdout; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe) < 0) { + err(udev, "fail to add fd to epoll: %m\n"); + goto out; + } + } + + if (fd_stderr >= 0) { + memset(&ep_errpipe, 0, sizeof(struct epoll_event)); + ep_errpipe.events = EPOLLIN; + ep_errpipe.data.ptr = &fd_stderr; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe) < 0) { + err(udev, "fail to add fd to epoll: %m\n"); + goto out; + } + } + + /* read child output */ + while (fd_stdout >= 0 || fd_stderr >= 0) { + int timeout; + int fdcount; + struct epoll_event ev[4]; + int i; + + if (event->timeout_usec > 0) { + unsigned long long age_usec; + + age_usec = now_usec() - event->birth_usec; + if (age_usec >= event->timeout_usec) { + err(udev, "timeout '%s'\n", cmd); + goto out; + } + timeout = ((event->timeout_usec - age_usec) / 1000) + 1000; + } else { + timeout = -1; + } + + fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout); + if (fdcount < 0) { + if (errno == EINTR) + continue; + err(udev, "failed to poll: %m\n"); + goto out; + } + if (fdcount == 0) { + err(udev, "timeout '%s'\n", cmd); + goto out; + } + + for (i = 0; i < fdcount; i++) { + int *fd = (int *)ev[i].data.ptr; + + if (ev[i].events & EPOLLIN) { + ssize_t count; + char buf[4096]; + + count = read(*fd, buf, sizeof(buf)-1); + if (count <= 0) + continue; + buf[count] = '\0'; + + /* store stdout result */ + if (result != NULL && *fd == fd_stdout) { + if (respos + count < ressize) { + memcpy(&result[respos], buf, count); + respos += count; + } else { + err(udev, "'%s' ressize %zd too short\n", cmd, ressize); + } + } + + /* log debug output only if we watch stderr */ + if (fd_stderr >= 0) { + char *pos; + char *line; + + pos = buf; + while ((line = strsep(&pos, "\n"))) { + if (pos != NULL || line[0] != '\0') + info(udev, "'%s'(%s) '%s'\n", cmd, *fd == fd_stdout ? "out" : "err" , line); + } + } + } else if (ev[i].events & EPOLLHUP) { + if (epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL) < 0) { + err(udev, "failed to remove fd from epoll: %m\n"); + goto out; + } + *fd = -1; + } + } + } + + /* return the child's stdout string */ + if (result != NULL) { + result[respos] = '\0'; + dbg(udev, "result='%s'\n", result); + } out: - if (fd_ep >= 0) - close(fd_ep); + if (fd_ep >= 0) + close(fd_ep); } static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid) { - struct udev *udev = event->udev; - struct pollfd pfd[1]; - int err = 0; - - pfd[0].events = POLLIN; - pfd[0].fd = event->fd_signal; - - while (pid > 0) { - int timeout; - int fdcount; - - if (event->timeout_usec > 0) { - unsigned long long age_usec; - - age_usec = now_usec() - event->birth_usec; - if (age_usec >= event->timeout_usec) - timeout = 1000; - else - timeout = ((event->timeout_usec - age_usec) / 1000) + 1000; - } else { - timeout = -1; - } - - fdcount = poll(pfd, 1, timeout); - if (fdcount < 0) { - if (errno == EINTR) - continue; - err = -errno; - err(udev, "failed to poll: %m\n"); - goto out; - } - if (fdcount == 0) { - err(udev, "timeout: killing '%s' [%u]\n", cmd, pid); - kill(pid, SIGKILL); - } - - if (pfd[0].revents & POLLIN) { - struct signalfd_siginfo fdsi; - int status; - ssize_t size; - - size = read(event->fd_signal, &fdsi, sizeof(struct signalfd_siginfo)); - if (size != sizeof(struct signalfd_siginfo)) - continue; - - switch (fdsi.ssi_signo) { - case SIGTERM: - event->sigterm = true; - break; - case SIGCHLD: - if (waitpid(pid, &status, WNOHANG) < 0) - break; - if (WIFEXITED(status)) { - info(udev, "'%s' [%u] exit with return code %i\n", cmd, pid, WEXITSTATUS(status)); - if (WEXITSTATUS(status) != 0) - err = -1; - } else if (WIFSIGNALED(status)) { - err(udev, "'%s' [%u] terminated by signal %i (%s)\n", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status))); - err = -1; - } else if (WIFSTOPPED(status)) { - err(udev, "'%s' [%u] stopped\n", cmd, pid); - err = -1; - } else if (WIFCONTINUED(status)) { - err(udev, "'%s' [%u] continued\n", cmd, pid); - err = -1; - } else { - err(udev, "'%s' [%u] exit with status 0x%04x\n", cmd, pid, status); - err = -1; - } - pid = 0; - break; - } - } - } + struct udev *udev = event->udev; + struct pollfd pfd[1]; + int err = 0; + + pfd[0].events = POLLIN; + pfd[0].fd = event->fd_signal; + + while (pid > 0) { + int timeout; + int fdcount; + + if (event->timeout_usec > 0) { + unsigned long long age_usec; + + age_usec = now_usec() - event->birth_usec; + if (age_usec >= event->timeout_usec) + timeout = 1000; + else + timeout = ((event->timeout_usec - age_usec) / 1000) + 1000; + } else { + timeout = -1; + } + + fdcount = poll(pfd, 1, timeout); + if (fdcount < 0) { + if (errno == EINTR) + continue; + err = -errno; + err(udev, "failed to poll: %m\n"); + goto out; + } + if (fdcount == 0) { + err(udev, "timeout: killing '%s' [%u]\n", cmd, pid); + kill(pid, SIGKILL); + } + + if (pfd[0].revents & POLLIN) { + struct signalfd_siginfo fdsi; + int status; + ssize_t size; + + size = read(event->fd_signal, &fdsi, sizeof(struct signalfd_siginfo)); + if (size != sizeof(struct signalfd_siginfo)) + continue; + + switch (fdsi.ssi_signo) { + case SIGTERM: + event->sigterm = true; + break; + case SIGCHLD: + if (waitpid(pid, &status, WNOHANG) < 0) + break; + if (WIFEXITED(status)) { + info(udev, "'%s' [%u] exit with return code %i\n", cmd, pid, WEXITSTATUS(status)); + if (WEXITSTATUS(status) != 0) + err = -1; + } else if (WIFSIGNALED(status)) { + err(udev, "'%s' [%u] terminated by signal %i (%s)\n", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status))); + err = -1; + } else if (WIFSTOPPED(status)) { + err(udev, "'%s' [%u] stopped\n", cmd, pid); + err = -1; + } else if (WIFCONTINUED(status)) { + err(udev, "'%s' [%u] continued\n", cmd, pid); + err = -1; + } else { + err(udev, "'%s' [%u] exit with status 0x%04x\n", cmd, pid, status); + err = -1; + } + pid = 0; + break; + } + } + } out: - return err; + return err; } int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]) { - int i = 0; - char *pos; - - if (strchr(cmd, ' ') == NULL) { - argv[i++] = cmd; - goto out; - } - - pos = cmd; - while (pos != NULL && pos[0] != '\0') { - if (pos[0] == '\'') { - /* do not separate quotes */ - pos++; - argv[i] = strsep(&pos, "\'"); - if (pos != NULL) - while (pos[0] == ' ') - pos++; - } else { - argv[i] = strsep(&pos, " "); - if (pos != NULL) - while (pos[0] == ' ') - pos++; - } - dbg(udev, "argv[%i] '%s'\n", i, argv[i]); - i++; - } + int i = 0; + char *pos; + + if (strchr(cmd, ' ') == NULL) { + argv[i++] = cmd; + goto out; + } + + pos = cmd; + while (pos != NULL && pos[0] != '\0') { + if (pos[0] == '\'') { + /* do not separate quotes */ + pos++; + argv[i] = strsep(&pos, "\'"); + if (pos != NULL) + while (pos[0] == ' ') + pos++; + } else { + argv[i] = strsep(&pos, " "); + if (pos != NULL) + while (pos[0] == ' ') + pos++; + } + dbg(udev, "argv[%i] '%s'\n", i, argv[i]); + i++; + } out: - argv[i] = NULL; - if (argc) - *argc = i; - return 0; + argv[i] = NULL; + if (argc) + *argc = i; + return 0; } int udev_event_spawn(struct udev_event *event, - const char *cmd, char **envp, const sigset_t *sigmask, - char *result, size_t ressize) + const char *cmd, char **envp, const sigset_t *sigmask, + char *result, size_t ressize) { - struct udev *udev = event->udev; - int outpipe[2] = {-1, -1}; - int errpipe[2] = {-1, -1}; - pid_t pid; - char arg[UTIL_PATH_SIZE]; - char *argv[128]; - char program[UTIL_PATH_SIZE]; - int err = 0; - - util_strscpy(arg, sizeof(arg), cmd); - udev_build_argv(event->udev, arg, NULL, argv); - - /* pipes from child to parent */ - if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) { - if (pipe2(outpipe, O_NONBLOCK) != 0) { - err = -errno; - err(udev, "pipe failed: %m\n"); - goto out; - } - } - if (udev_get_log_priority(udev) >= LOG_INFO) { - if (pipe2(errpipe, O_NONBLOCK) != 0) { - err = -errno; - err(udev, "pipe failed: %m\n"); - goto out; - } - } - - /* allow programs in /usr/lib/udev/ to be called without the path */ - if (argv[0][0] != '/') { - util_strscpyl(program, sizeof(program), PKGLIBEXECDIR "/", argv[0], NULL); - argv[0] = program; - } - - pid = fork(); - switch(pid) { - case 0: - /* child closes parent's ends of pipes */ - if (outpipe[READ_END] >= 0) { - close(outpipe[READ_END]); - outpipe[READ_END] = -1; - } - if (errpipe[READ_END] >= 0) { - close(errpipe[READ_END]); - errpipe[READ_END] = -1; - } - - info(udev, "starting '%s'\n", cmd); - - err = spawn_exec(event, cmd, argv, envp, sigmask, - outpipe[WRITE_END], errpipe[WRITE_END]); - - _exit(2 ); - case -1: - err(udev, "fork of '%s' failed: %m\n", cmd); - err = -1; - goto out; - default: - /* parent closed child's ends of pipes */ - if (outpipe[WRITE_END] >= 0) { - close(outpipe[WRITE_END]); - outpipe[WRITE_END] = -1; - } - if (errpipe[WRITE_END] >= 0) { - close(errpipe[WRITE_END]); - errpipe[WRITE_END] = -1; - } - - spawn_read(event, cmd, - outpipe[READ_END], errpipe[READ_END], - result, ressize); - - err = spawn_wait(event, cmd, pid); - } + struct udev *udev = event->udev; + int outpipe[2] = {-1, -1}; + int errpipe[2] = {-1, -1}; + pid_t pid; + char arg[UTIL_PATH_SIZE]; + char *argv[128]; + char program[UTIL_PATH_SIZE]; + int err = 0; + + util_strscpy(arg, sizeof(arg), cmd); + udev_build_argv(event->udev, arg, NULL, argv); + + /* pipes from child to parent */ + if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) { + if (pipe2(outpipe, O_NONBLOCK) != 0) { + err = -errno; + err(udev, "pipe failed: %m\n"); + goto out; + } + } + if (udev_get_log_priority(udev) >= LOG_INFO) { + if (pipe2(errpipe, O_NONBLOCK) != 0) { + err = -errno; + err(udev, "pipe failed: %m\n"); + goto out; + } + } + + /* allow programs in /usr/lib/udev/ to be called without the path */ + if (argv[0][0] != '/') { + util_strscpyl(program, sizeof(program), PKGLIBEXECDIR "/", argv[0], NULL); + argv[0] = program; + } + + pid = fork(); + switch(pid) { + case 0: + /* child closes parent's ends of pipes */ + if (outpipe[READ_END] >= 0) { + close(outpipe[READ_END]); + outpipe[READ_END] = -1; + } + if (errpipe[READ_END] >= 0) { + close(errpipe[READ_END]); + errpipe[READ_END] = -1; + } + + info(udev, "starting '%s'\n", cmd); + + err = spawn_exec(event, cmd, argv, envp, sigmask, + outpipe[WRITE_END], errpipe[WRITE_END]); + + _exit(2 ); + case -1: + err(udev, "fork of '%s' failed: %m\n", cmd); + err = -1; + goto out; + default: + /* parent closed child's ends of pipes */ + if (outpipe[WRITE_END] >= 0) { + close(outpipe[WRITE_END]); + outpipe[WRITE_END] = -1; + } + if (errpipe[WRITE_END] >= 0) { + close(errpipe[WRITE_END]); + errpipe[WRITE_END] = -1; + } + + spawn_read(event, cmd, + outpipe[READ_END], errpipe[READ_END], + result, ressize); + + err = spawn_wait(event, cmd, pid); + } out: - if (outpipe[READ_END] >= 0) - close(outpipe[READ_END]); - if (outpipe[WRITE_END] >= 0) - close(outpipe[WRITE_END]); - if (errpipe[READ_END] >= 0) - close(errpipe[READ_END]); - if (errpipe[WRITE_END] >= 0) - close(errpipe[WRITE_END]); - return err; + if (outpipe[READ_END] >= 0) + close(outpipe[READ_END]); + if (outpipe[WRITE_END] >= 0) + close(outpipe[WRITE_END]); + if (errpipe[READ_END] >= 0) + close(errpipe[READ_END]); + if (errpipe[WRITE_END] >= 0) + close(errpipe[WRITE_END]); + return err; } static void rename_netif_kernel_log(struct ifreq ifr) { - int klog; - FILE *f; - - klog = open("/dev/kmsg", O_WRONLY); - if (klog < 0) - return; - - f = fdopen(klog, "w"); - if (f == NULL) { - close(klog); - return; - } - - fprintf(f, "<30>udevd[%u]: renamed network interface %s to %s\n", - getpid(), ifr.ifr_name, ifr.ifr_newname); - fclose(f); + int klog; + FILE *f; + + klog = open("/dev/kmsg", O_WRONLY); + if (klog < 0) + return; + + f = fdopen(klog, "w"); + if (f == NULL) { + close(klog); + return; + } + + fprintf(f, "<30>udevd[%u]: renamed network interface %s to %s\n", + getpid(), ifr.ifr_name, ifr.ifr_newname); + fclose(f); } static int rename_netif(struct udev_event *event) { - struct udev_device *dev = event->dev; - int sk; - struct ifreq ifr; - int loop; - int err; - - info(event->udev, "changing net interface name from '%s' to '%s'\n", - udev_device_get_sysname(dev), event->name); - - sk = socket(PF_INET, SOCK_DGRAM, 0); - if (sk < 0) { - err = -errno; - err(event->udev, "error opening socket: %m\n"); - return err; - } - - memset(&ifr, 0x00, sizeof(struct ifreq)); - util_strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev)); - util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name); - err = ioctl(sk, SIOCSIFNAME, &ifr); - if (err == 0) { - rename_netif_kernel_log(ifr); - goto out; - } - - /* keep trying if the destination interface name already exists */ - err = -errno; - if (err != -EEXIST) - goto out; - - /* free our own name, another process may wait for us */ - snprintf(ifr.ifr_newname, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev)); - err = ioctl(sk, SIOCSIFNAME, &ifr); - if (err < 0) { - err = -errno; - goto out; - } - - /* log temporary name */ - rename_netif_kernel_log(ifr); - - /* wait a maximum of 90 seconds for our target to become available */ - util_strscpy(ifr.ifr_name, IFNAMSIZ, ifr.ifr_newname); - util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name); - loop = 90 * 20; - while (loop--) { - const struct timespec duration = { 0, 1000 * 1000 * 1000 / 20 }; - - dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n", - event->name, (90 * 20) - loop); - nanosleep(&duration, NULL); - - err = ioctl(sk, SIOCSIFNAME, &ifr); - if (err == 0) { - rename_netif_kernel_log(ifr); - break; - } - err = -errno; - if (err != -EEXIST) - break; - } + struct udev_device *dev = event->dev; + int sk; + struct ifreq ifr; + int loop; + int err; + + info(event->udev, "changing net interface name from '%s' to '%s'\n", + udev_device_get_sysname(dev), event->name); + + sk = socket(PF_INET, SOCK_DGRAM, 0); + if (sk < 0) { + err = -errno; + err(event->udev, "error opening socket: %m\n"); + return err; + } + + memset(&ifr, 0x00, sizeof(struct ifreq)); + util_strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev)); + util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name); + err = ioctl(sk, SIOCSIFNAME, &ifr); + if (err == 0) { + rename_netif_kernel_log(ifr); + goto out; + } + + /* keep trying if the destination interface name already exists */ + err = -errno; + if (err != -EEXIST) + goto out; + + /* free our own name, another process may wait for us */ + snprintf(ifr.ifr_newname, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev)); + err = ioctl(sk, SIOCSIFNAME, &ifr); + if (err < 0) { + err = -errno; + goto out; + } + + /* log temporary name */ + rename_netif_kernel_log(ifr); + + /* wait a maximum of 90 seconds for our target to become available */ + util_strscpy(ifr.ifr_name, IFNAMSIZ, ifr.ifr_newname); + util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name); + loop = 90 * 20; + while (loop--) { + const struct timespec duration = { 0, 1000 * 1000 * 1000 / 20 }; + + dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n", + event->name, (90 * 20) - loop); + nanosleep(&duration, NULL); + + err = ioctl(sk, SIOCSIFNAME, &ifr); + if (err == 0) { + rename_netif_kernel_log(ifr); + break; + } + err = -errno; + if (err != -EEXIST) + break; + } out: - if (err < 0) - err(event->udev, "error changing net interface name %s to %s: %m\n", ifr.ifr_name, ifr.ifr_newname); - close(sk); - return err; + if (err < 0) + err(event->udev, "error changing net interface name %s to %s: %m\n", ifr.ifr_name, ifr.ifr_newname); + close(sk); + return err; } int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigmask) { - struct udev_device *dev = event->dev; - int err = 0; - - if (udev_device_get_subsystem(dev) == NULL) - return -1; - - if (strcmp(udev_device_get_action(dev), "remove") == 0) { - udev_device_read_db(dev, NULL); - udev_device_delete_db(dev); - udev_device_tag_index(dev, NULL, false); - - if (major(udev_device_get_devnum(dev)) != 0) - udev_watch_end(event->udev, dev); - - udev_rules_apply_to_event(rules, event, sigmask); - - if (major(udev_device_get_devnum(dev)) != 0) - err = udev_node_remove(dev); - } else { - event->dev_db = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev)); - if (event->dev_db != NULL) { - udev_device_read_db(event->dev_db, NULL); - udev_device_set_info_loaded(event->dev_db); - - /* disable watch during event processing */ - if (major(udev_device_get_devnum(dev)) != 0) - udev_watch_end(event->udev, event->dev_db); - } - - udev_rules_apply_to_event(rules, event, sigmask); - - /* rename a new network interface, if needed */ - if (udev_device_get_ifindex(dev) > 0 && strcmp(udev_device_get_action(dev), "add") == 0 && - event->name != NULL && strcmp(event->name, udev_device_get_sysname(dev)) != 0) { - char syspath[UTIL_PATH_SIZE]; - char *pos; - - err = rename_netif(event); - if (err == 0) { - info(event->udev, "renamed netif to '%s'\n", event->name); - - /* remember old name */ - udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev)); - - /* now change the devpath, because the kernel device name has changed */ - util_strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev)); - pos = strrchr(syspath, '/'); - if (pos != NULL) { - pos++; - util_strscpy(pos, sizeof(syspath) - (pos - syspath), event->name); - udev_device_set_syspath(event->dev, syspath); - udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev)); - info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev)); - } - } - } - - if (major(udev_device_get_devnum(dev)) != 0) { - /* remove/update possible left-over symlinks from old database entry */ - if (event->dev_db != NULL) - udev_node_update_old_links(dev, event->dev_db); - - if (!event->mode_set) { - if (udev_device_get_devnode_mode(dev) > 0) { - /* kernel supplied value */ - event->mode = udev_device_get_devnode_mode(dev); - } else if (event->gid > 0) { - /* default 0660 if a group is assigned */ - event->mode = 0660; - } else { - /* default 0600 */ - event->mode = 0600; - } - } - - err = udev_node_add(dev, event->mode, event->uid, event->gid); - } - - /* preserve old, or get new initialization timestamp */ - if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0) - udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db)); - else if (udev_device_get_usec_initialized(event->dev) == 0) - udev_device_set_usec_initialized(event->dev, now_usec()); - - /* (re)write database file */ - udev_device_update_db(dev); - udev_device_tag_index(dev, event->dev_db, true); - udev_device_set_is_initialized(dev); - - udev_device_unref(event->dev_db); - event->dev_db = NULL; - } + struct udev_device *dev = event->dev; + int err = 0; + + if (udev_device_get_subsystem(dev) == NULL) + return -1; + + if (strcmp(udev_device_get_action(dev), "remove") == 0) { + udev_device_read_db(dev, NULL); + udev_device_delete_db(dev); + udev_device_tag_index(dev, NULL, false); + + if (major(udev_device_get_devnum(dev)) != 0) + udev_watch_end(event->udev, dev); + + udev_rules_apply_to_event(rules, event, sigmask); + + if (major(udev_device_get_devnum(dev)) != 0) + err = udev_node_remove(dev); + } else { + event->dev_db = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev)); + if (event->dev_db != NULL) { + udev_device_read_db(event->dev_db, NULL); + udev_device_set_info_loaded(event->dev_db); + + /* disable watch during event processing */ + if (major(udev_device_get_devnum(dev)) != 0) + udev_watch_end(event->udev, event->dev_db); + } + + udev_rules_apply_to_event(rules, event, sigmask); + + /* rename a new network interface, if needed */ + if (udev_device_get_ifindex(dev) > 0 && strcmp(udev_device_get_action(dev), "add") == 0 && + event->name != NULL && strcmp(event->name, udev_device_get_sysname(dev)) != 0) { + char syspath[UTIL_PATH_SIZE]; + char *pos; + + err = rename_netif(event); + if (err == 0) { + info(event->udev, "renamed netif to '%s'\n", event->name); + + /* remember old name */ + udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev)); + + /* now change the devpath, because the kernel device name has changed */ + util_strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev)); + pos = strrchr(syspath, '/'); + if (pos != NULL) { + pos++; + util_strscpy(pos, sizeof(syspath) - (pos - syspath), event->name); + udev_device_set_syspath(event->dev, syspath); + udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev)); + info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev)); + } + } + } + + if (major(udev_device_get_devnum(dev)) != 0) { + /* remove/update possible left-over symlinks from old database entry */ + if (event->dev_db != NULL) + udev_node_update_old_links(dev, event->dev_db); + + if (!event->mode_set) { + if (udev_device_get_devnode_mode(dev) > 0) { + /* kernel supplied value */ + event->mode = udev_device_get_devnode_mode(dev); + } else if (event->gid > 0) { + /* default 0660 if a group is assigned */ + event->mode = 0660; + } else { + /* default 0600 */ + event->mode = 0600; + } + } + + err = udev_node_add(dev, event->mode, event->uid, event->gid); + } + + /* preserve old, or get new initialization timestamp */ + if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0) + udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db)); + else if (udev_device_get_usec_initialized(event->dev) == 0) + udev_device_set_usec_initialized(event->dev, now_usec()); + + /* (re)write database file */ + udev_device_update_db(dev); + udev_device_tag_index(dev, event->dev_db, true); + udev_device_set_is_initialized(dev); + + udev_device_unref(event->dev_db); + event->dev_db = NULL; + } out: - return err; + return err; } int udev_event_execute_run(struct udev_event *event, const sigset_t *sigmask) { - struct udev_list_entry *list_entry; - int err = 0; - - dbg(event->udev, "executing run list\n"); - udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) { - const char *cmd = udev_list_entry_get_name(list_entry); - - if (strncmp(cmd, "socket:", strlen("socket:")) == 0) { - struct udev_monitor *monitor; - - monitor = udev_monitor_new_from_socket(event->udev, &cmd[strlen("socket:")]); - if (monitor == NULL) - continue; - udev_monitor_send_device(monitor, NULL, event->dev); - udev_monitor_unref(monitor); - } else { - char program[UTIL_PATH_SIZE]; - char **envp; - - if (event->exec_delay > 0) { - info(event->udev, "delay execution of '%s'\n", program); - sleep(event->exec_delay); - } - - udev_event_apply_format(event, cmd, program, sizeof(program)); - envp = udev_device_get_properties_envp(event->dev); - if (udev_event_spawn(event, program, envp, sigmask, NULL, 0) < 0) { - if (udev_list_entry_get_num(list_entry)) - err = -1; - } - } - } - return err; + struct udev_list_entry *list_entry; + int err = 0; + + dbg(event->udev, "executing run list\n"); + udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) { + const char *cmd = udev_list_entry_get_name(list_entry); + + if (strncmp(cmd, "socket:", strlen("socket:")) == 0) { + struct udev_monitor *monitor; + + monitor = udev_monitor_new_from_socket(event->udev, &cmd[strlen("socket:")]); + if (monitor == NULL) + continue; + udev_monitor_send_device(monitor, NULL, event->dev); + udev_monitor_unref(monitor); + } else { + char program[UTIL_PATH_SIZE]; + char **envp; + + if (event->exec_delay > 0) { + info(event->udev, "delay execution of '%s'\n", program); + sleep(event->exec_delay); + } + + udev_event_apply_format(event, cmd, program, sizeof(program)); + envp = udev_device_get_properties_envp(event->dev); + if (udev_event_spawn(event, program, envp, sigmask, NULL, 0) < 0) { + if (udev_list_entry_get_num(list_entry)) + err = -1; + } + } + } + return err; } diff --git a/src/udev-node.c b/src/udev-node.c index 31046bd71..8d7db7101 100644 --- a/src/udev-node.c +++ b/src/udev-node.c @@ -31,355 +31,355 @@ #include "udev.h" -#define TMP_FILE_EXT ".udev-tmp" +#define TMP_FILE_EXT ".udev-tmp" static int node_symlink(struct udev *udev, const char *node, const char *slink) { - struct stat stats; - char target[UTIL_PATH_SIZE]; - char *s; - size_t l; - char slink_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)]; - int i = 0; - int tail = 0; - int err = 0; - - /* use relative link */ - target[0] = '\0'; - while (node[i] && (node[i] == slink[i])) { - if (node[i] == '/') - tail = i+1; - i++; - } - s = target; - l = sizeof(target); - while (slink[i] != '\0') { - if (slink[i] == '/') - l = util_strpcpy(&s, l, "../"); - i++; - } - l = util_strscpy(s, l, &node[tail]); - if (l == 0) { - err = -EINVAL; - goto exit; - } - - /* preserve link with correct target, do not replace node of other device */ - if (lstat(slink, &stats) == 0) { - if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) { - struct stat stats2; - - info(udev, "found existing node instead of symlink '%s'\n", slink); - if (lstat(node, &stats2) == 0) { - if ((stats.st_mode & S_IFMT) == (stats2.st_mode & S_IFMT) && - stats.st_rdev == stats2.st_rdev && stats.st_ino != stats2.st_ino) { - info(udev, "replace device node '%s' with symlink to our node '%s'\n", - slink, node); - } else { - err(udev, "device node '%s' already exists, " - "link to '%s' will not overwrite it\n", - slink, node); - goto exit; - } - } - } else if (S_ISLNK(stats.st_mode)) { - char buf[UTIL_PATH_SIZE]; - int len; - - dbg(udev, "found existing symlink '%s'\n", slink); - len = readlink(slink, buf, sizeof(buf)); - if (len > 0 && len < (int)sizeof(buf)) { - buf[len] = '\0'; - if (strcmp(target, buf) == 0) { - info(udev, "preserve already existing symlink '%s' to '%s'\n", - slink, target); - udev_selinux_lsetfilecon(udev, slink, S_IFLNK); - utimensat(AT_FDCWD, slink, NULL, AT_SYMLINK_NOFOLLOW); - goto exit; - } - } - } - } else { - info(udev, "creating symlink '%s' to '%s'\n", slink, target); - do { - err = util_create_path_selinux(udev, slink); - if (err != 0 && err != -ENOENT) - break; - udev_selinux_setfscreatecon(udev, slink, S_IFLNK); - err = symlink(target, slink); - if (err != 0) - err = -errno; - udev_selinux_resetfscreatecon(udev); - } while (err == -ENOENT); - if (err == 0) - goto exit; - } - - info(udev, "atomically replace '%s'\n", slink); - util_strscpyl(slink_tmp, sizeof(slink_tmp), slink, TMP_FILE_EXT, NULL); - unlink(slink_tmp); - do { - err = util_create_path_selinux(udev, slink_tmp); - if (err != 0 && err != -ENOENT) - break; - udev_selinux_setfscreatecon(udev, slink_tmp, S_IFLNK); - err = symlink(target, slink_tmp); - if (err != 0) - err = -errno; - udev_selinux_resetfscreatecon(udev); - } while (err == -ENOENT); - if (err != 0) { - err(udev, "symlink '%s' '%s' failed: %m\n", target, slink_tmp); - goto exit; - } - err = rename(slink_tmp, slink); - if (err != 0) { - err(udev, "rename '%s' '%s' failed: %m\n", slink_tmp, slink); - unlink(slink_tmp); - } + struct stat stats; + char target[UTIL_PATH_SIZE]; + char *s; + size_t l; + char slink_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)]; + int i = 0; + int tail = 0; + int err = 0; + + /* use relative link */ + target[0] = '\0'; + while (node[i] && (node[i] == slink[i])) { + if (node[i] == '/') + tail = i+1; + i++; + } + s = target; + l = sizeof(target); + while (slink[i] != '\0') { + if (slink[i] == '/') + l = util_strpcpy(&s, l, "../"); + i++; + } + l = util_strscpy(s, l, &node[tail]); + if (l == 0) { + err = -EINVAL; + goto exit; + } + + /* preserve link with correct target, do not replace node of other device */ + if (lstat(slink, &stats) == 0) { + if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) { + struct stat stats2; + + info(udev, "found existing node instead of symlink '%s'\n", slink); + if (lstat(node, &stats2) == 0) { + if ((stats.st_mode & S_IFMT) == (stats2.st_mode & S_IFMT) && + stats.st_rdev == stats2.st_rdev && stats.st_ino != stats2.st_ino) { + info(udev, "replace device node '%s' with symlink to our node '%s'\n", + slink, node); + } else { + err(udev, "device node '%s' already exists, " + "link to '%s' will not overwrite it\n", + slink, node); + goto exit; + } + } + } else if (S_ISLNK(stats.st_mode)) { + char buf[UTIL_PATH_SIZE]; + int len; + + dbg(udev, "found existing symlink '%s'\n", slink); + len = readlink(slink, buf, sizeof(buf)); + if (len > 0 && len < (int)sizeof(buf)) { + buf[len] = '\0'; + if (strcmp(target, buf) == 0) { + info(udev, "preserve already existing symlink '%s' to '%s'\n", + slink, target); + udev_selinux_lsetfilecon(udev, slink, S_IFLNK); + utimensat(AT_FDCWD, slink, NULL, AT_SYMLINK_NOFOLLOW); + goto exit; + } + } + } + } else { + info(udev, "creating symlink '%s' to '%s'\n", slink, target); + do { + err = util_create_path_selinux(udev, slink); + if (err != 0 && err != -ENOENT) + break; + udev_selinux_setfscreatecon(udev, slink, S_IFLNK); + err = symlink(target, slink); + if (err != 0) + err = -errno; + udev_selinux_resetfscreatecon(udev); + } while (err == -ENOENT); + if (err == 0) + goto exit; + } + + info(udev, "atomically replace '%s'\n", slink); + util_strscpyl(slink_tmp, sizeof(slink_tmp), slink, TMP_FILE_EXT, NULL); + unlink(slink_tmp); + do { + err = util_create_path_selinux(udev, slink_tmp); + if (err != 0 && err != -ENOENT) + break; + udev_selinux_setfscreatecon(udev, slink_tmp, S_IFLNK); + err = symlink(target, slink_tmp); + if (err != 0) + err = -errno; + udev_selinux_resetfscreatecon(udev); + } while (err == -ENOENT); + if (err != 0) { + err(udev, "symlink '%s' '%s' failed: %m\n", target, slink_tmp); + goto exit; + } + err = rename(slink_tmp, slink); + if (err != 0) { + err(udev, "rename '%s' '%s' failed: %m\n", slink_tmp, slink); + unlink(slink_tmp); + } exit: - return err; + return err; } /* find device node of device with highest priority */ static const char *link_find_prioritized(struct udev_device *dev, bool add, const char *stackdir, char *buf, size_t bufsize) { - struct udev *udev = udev_device_get_udev(dev); - DIR *dir; - int priority = 0; - const char *target = NULL; - - if (add) { - priority = udev_device_get_devlink_priority(dev); - util_strscpy(buf, bufsize, udev_device_get_devnode(dev)); - target = buf; - } - - dir = opendir(stackdir); - if (dir == NULL) - return target; - for (;;) { - struct udev_device *dev_db; - struct dirent *dent; - - dent = readdir(dir); - if (dent == NULL || dent->d_name[0] == '\0') - break; - if (dent->d_name[0] == '.') - continue; - - info(udev, "found '%s' claiming '%s'\n", dent->d_name, stackdir); - - /* did we find ourself? */ - if (strcmp(dent->d_name, udev_device_get_id_filename(dev)) == 0) - continue; - - dev_db = udev_device_new_from_id_filename(udev, dent->d_name); - if (dev_db != NULL) { - const char *devnode; - - devnode = udev_device_get_devnode(dev_db); - if (devnode != NULL) { - dbg(udev, "compare priority of '%s'(%i) > '%s'(%i)\n", target, priority, - udev_device_get_devnode(dev_db), udev_device_get_devlink_priority(dev_db)); - if (target == NULL || udev_device_get_devlink_priority(dev_db) > priority) { - info(udev, "'%s' claims priority %i for '%s'\n", - udev_device_get_syspath(dev_db), udev_device_get_devlink_priority(dev_db), stackdir); - priority = udev_device_get_devlink_priority(dev_db); - util_strscpy(buf, bufsize, devnode); - target = buf; - } - } - udev_device_unref(dev_db); - } - } - closedir(dir); - return target; + struct udev *udev = udev_device_get_udev(dev); + DIR *dir; + int priority = 0; + const char *target = NULL; + + if (add) { + priority = udev_device_get_devlink_priority(dev); + util_strscpy(buf, bufsize, udev_device_get_devnode(dev)); + target = buf; + } + + dir = opendir(stackdir); + if (dir == NULL) + return target; + for (;;) { + struct udev_device *dev_db; + struct dirent *dent; + + dent = readdir(dir); + if (dent == NULL || dent->d_name[0] == '\0') + break; + if (dent->d_name[0] == '.') + continue; + + info(udev, "found '%s' claiming '%s'\n", dent->d_name, stackdir); + + /* did we find ourself? */ + if (strcmp(dent->d_name, udev_device_get_id_filename(dev)) == 0) + continue; + + dev_db = udev_device_new_from_id_filename(udev, dent->d_name); + if (dev_db != NULL) { + const char *devnode; + + devnode = udev_device_get_devnode(dev_db); + if (devnode != NULL) { + dbg(udev, "compare priority of '%s'(%i) > '%s'(%i)\n", target, priority, + udev_device_get_devnode(dev_db), udev_device_get_devlink_priority(dev_db)); + if (target == NULL || udev_device_get_devlink_priority(dev_db) > priority) { + info(udev, "'%s' claims priority %i for '%s'\n", + udev_device_get_syspath(dev_db), udev_device_get_devlink_priority(dev_db), stackdir); + priority = udev_device_get_devlink_priority(dev_db); + util_strscpy(buf, bufsize, devnode); + target = buf; + } + } + udev_device_unref(dev_db); + } + } + closedir(dir); + return target; } /* manage "stack of names" with possibly specified device priorities */ static void link_update(struct udev_device *dev, const char *slink, bool add) { - struct udev *udev = udev_device_get_udev(dev); - char name_enc[UTIL_PATH_SIZE]; - char filename[UTIL_PATH_SIZE * 2]; - char dirname[UTIL_PATH_SIZE]; - const char *target; - char buf[UTIL_PATH_SIZE]; - - dbg(udev, "update symlink '%s' of '%s'\n", slink, udev_device_get_syspath(dev)); - - util_path_encode(&slink[strlen(udev_get_dev_path(udev))+1], name_enc, sizeof(name_enc)); - util_strscpyl(dirname, sizeof(dirname), udev_get_run_path(udev), "/links/", name_enc, NULL); - util_strscpyl(filename, sizeof(filename), dirname, "/", udev_device_get_id_filename(dev), NULL); - - if (!add) { - dbg(udev, "removing index: '%s'\n", filename); - if (unlink(filename) == 0) - rmdir(dirname); - } - - target = link_find_prioritized(dev, add, dirname, buf, sizeof(buf)); - if (target == NULL) { - info(udev, "no reference left, remove '%s'\n", slink); - if (unlink(slink) == 0) - util_delete_path(udev, slink); - } else { - info(udev, "creating link '%s' to '%s'\n", slink, target); - node_symlink(udev, target, slink); - } - - if (add) { - int err; - - dbg(udev, "creating index: '%s'\n", filename); - do { - int fd; - - err = util_create_path(udev, filename); - if (err != 0 && err != -ENOENT) - break; - fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444); - if (fd >= 0) - close(fd); - else - err = -errno; - } while (err == -ENOENT); - } + struct udev *udev = udev_device_get_udev(dev); + char name_enc[UTIL_PATH_SIZE]; + char filename[UTIL_PATH_SIZE * 2]; + char dirname[UTIL_PATH_SIZE]; + const char *target; + char buf[UTIL_PATH_SIZE]; + + dbg(udev, "update symlink '%s' of '%s'\n", slink, udev_device_get_syspath(dev)); + + util_path_encode(&slink[strlen(udev_get_dev_path(udev))+1], name_enc, sizeof(name_enc)); + util_strscpyl(dirname, sizeof(dirname), udev_get_run_path(udev), "/links/", name_enc, NULL); + util_strscpyl(filename, sizeof(filename), dirname, "/", udev_device_get_id_filename(dev), NULL); + + if (!add) { + dbg(udev, "removing index: '%s'\n", filename); + if (unlink(filename) == 0) + rmdir(dirname); + } + + target = link_find_prioritized(dev, add, dirname, buf, sizeof(buf)); + if (target == NULL) { + info(udev, "no reference left, remove '%s'\n", slink); + if (unlink(slink) == 0) + util_delete_path(udev, slink); + } else { + info(udev, "creating link '%s' to '%s'\n", slink, target); + node_symlink(udev, target, slink); + } + + if (add) { + int err; + + dbg(udev, "creating index: '%s'\n", filename); + do { + int fd; + + err = util_create_path(udev, filename); + if (err != 0 && err != -ENOENT) + break; + fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444); + if (fd >= 0) + close(fd); + else + err = -errno; + } while (err == -ENOENT); + } } void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old) { - struct udev *udev = udev_device_get_udev(dev); - struct udev_list_entry *list_entry; - - /* update possible left-over symlinks */ - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev_old)) { - const char *name = udev_list_entry_get_name(list_entry); - struct udev_list_entry *list_entry_current; - int found; - - /* check if old link name still belongs to this device */ - found = 0; - udev_list_entry_foreach(list_entry_current, udev_device_get_devlinks_list_entry(dev)) { - const char *name_current = udev_list_entry_get_name(list_entry_current); - - if (strcmp(name, name_current) == 0) { - found = 1; - break; - } - } - if (found) - continue; - - info(udev, "update old name, '%s' no longer belonging to '%s'\n", - name, udev_device_get_devpath(dev)); - link_update(dev, name, 0); - } + struct udev *udev = udev_device_get_udev(dev); + struct udev_list_entry *list_entry; + + /* update possible left-over symlinks */ + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev_old)) { + const char *name = udev_list_entry_get_name(list_entry); + struct udev_list_entry *list_entry_current; + int found; + + /* check if old link name still belongs to this device */ + found = 0; + udev_list_entry_foreach(list_entry_current, udev_device_get_devlinks_list_entry(dev)) { + const char *name_current = udev_list_entry_get_name(list_entry_current); + + if (strcmp(name, name_current) == 0) { + found = 1; + break; + } + } + if (found) + continue; + + info(udev, "update old name, '%s' no longer belonging to '%s'\n", + name, udev_device_get_devpath(dev)); + link_update(dev, name, 0); + } } static int node_fixup(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid) { - struct udev *udev = udev_device_get_udev(dev); - const char *devnode = udev_device_get_devnode(dev); - dev_t devnum = udev_device_get_devnum(dev); - struct stat stats; - int err = 0; - - if (strcmp(udev_device_get_subsystem(dev), "block") == 0) - mode |= S_IFBLK; - else - mode |= S_IFCHR; - - if (lstat(devnode, &stats) != 0) { - err = -errno; - info(udev, "can not stat() node '%s' (%m)\n", devnode); - goto out; - } - - if (((stats.st_mode & S_IFMT) != (mode & S_IFMT)) || (stats.st_rdev != devnum)) { - err = -EEXIST; - info(udev, "found node '%s' with non-matching devnum %s, skip handling\n", - udev_device_get_devnode(dev), udev_device_get_id_filename(dev)); - goto out; - } - - if ((stats.st_mode & 0777) != (mode & 0777) || stats.st_uid != uid || stats.st_gid != gid) { - info(udev, "set permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid); - chmod(devnode, mode); - chown(devnode, uid, gid); - } else { - info(udev, "preserve permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid); - } - - /* - * Set initial selinux file context only on add events. - * We set the proper context on bootup (triger) or for newly - * added devices, but we don't change it later, in case - * something else has set a custom context in the meantime. - */ - if (strcmp(udev_device_get_action(dev), "add") == 0) - udev_selinux_lsetfilecon(udev, devnode, mode); - - /* always update timestamp when we re-use the node, like on media change events */ - utimensat(AT_FDCWD, devnode, NULL, 0); + struct udev *udev = udev_device_get_udev(dev); + const char *devnode = udev_device_get_devnode(dev); + dev_t devnum = udev_device_get_devnum(dev); + struct stat stats; + int err = 0; + + if (strcmp(udev_device_get_subsystem(dev), "block") == 0) + mode |= S_IFBLK; + else + mode |= S_IFCHR; + + if (lstat(devnode, &stats) != 0) { + err = -errno; + info(udev, "can not stat() node '%s' (%m)\n", devnode); + goto out; + } + + if (((stats.st_mode & S_IFMT) != (mode & S_IFMT)) || (stats.st_rdev != devnum)) { + err = -EEXIST; + info(udev, "found node '%s' with non-matching devnum %s, skip handling\n", + udev_device_get_devnode(dev), udev_device_get_id_filename(dev)); + goto out; + } + + if ((stats.st_mode & 0777) != (mode & 0777) || stats.st_uid != uid || stats.st_gid != gid) { + info(udev, "set permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid); + chmod(devnode, mode); + chown(devnode, uid, gid); + } else { + info(udev, "preserve permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid); + } + + /* + * Set initial selinux file context only on add events. + * We set the proper context on bootup (triger) or for newly + * added devices, but we don't change it later, in case + * something else has set a custom context in the meantime. + */ + if (strcmp(udev_device_get_action(dev), "add") == 0) + udev_selinux_lsetfilecon(udev, devnode, mode); + + /* always update timestamp when we re-use the node, like on media change events */ + utimensat(AT_FDCWD, devnode, NULL, 0); out: - return err; + return err; } int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid) { - struct udev *udev = udev_device_get_udev(dev); - char filename[UTIL_PATH_SIZE]; - struct udev_list_entry *list_entry; - int err = 0; - - info(udev, "handling device node '%s', devnum=%s, mode=%#o, uid=%d, gid=%d\n", - udev_device_get_devnode(dev), udev_device_get_id_filename(dev), mode, uid, gid); - - err = node_fixup(dev, mode, uid, gid); - if (err < 0) - goto exit; - - /* always add /dev/{block,char}/$major:$minor */ - snprintf(filename, sizeof(filename), "%s/%s/%u:%u", - udev_get_dev_path(udev), - strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char", - major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev))); - node_symlink(udev, udev_device_get_devnode(dev), filename); - - /* create/update symlinks, add symlinks to name index */ - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) { - if (udev_list_entry_get_num(list_entry)) - /* simple unmanaged link name */ - node_symlink(udev, udev_device_get_devnode(dev), udev_list_entry_get_name(list_entry)); - else - link_update(dev, udev_list_entry_get_name(list_entry), 1); - } + struct udev *udev = udev_device_get_udev(dev); + char filename[UTIL_PATH_SIZE]; + struct udev_list_entry *list_entry; + int err = 0; + + info(udev, "handling device node '%s', devnum=%s, mode=%#o, uid=%d, gid=%d\n", + udev_device_get_devnode(dev), udev_device_get_id_filename(dev), mode, uid, gid); + + err = node_fixup(dev, mode, uid, gid); + if (err < 0) + goto exit; + + /* always add /dev/{block,char}/$major:$minor */ + snprintf(filename, sizeof(filename), "%s/%s/%u:%u", + udev_get_dev_path(udev), + strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char", + major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev))); + node_symlink(udev, udev_device_get_devnode(dev), filename); + + /* create/update symlinks, add symlinks to name index */ + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) { + if (udev_list_entry_get_num(list_entry)) + /* simple unmanaged link name */ + node_symlink(udev, udev_device_get_devnode(dev), udev_list_entry_get_name(list_entry)); + else + link_update(dev, udev_list_entry_get_name(list_entry), 1); + } exit: - return err; + return err; } int udev_node_remove(struct udev_device *dev) { - struct udev *udev = udev_device_get_udev(dev); - struct udev_list_entry *list_entry; - const char *devnode; - struct stat stats; - struct udev_device *dev_check; - char filename[UTIL_PATH_SIZE]; - int err = 0; - - /* remove/update symlinks, remove symlinks from name index */ - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) - link_update(dev, udev_list_entry_get_name(list_entry), 0); - - /* remove /dev/{block,char}/$major:$minor */ - snprintf(filename, sizeof(filename), "%s/%s/%u:%u", - udev_get_dev_path(udev), - strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char", - major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev))); - unlink(filename); + struct udev *udev = udev_device_get_udev(dev); + struct udev_list_entry *list_entry; + const char *devnode; + struct stat stats; + struct udev_device *dev_check; + char filename[UTIL_PATH_SIZE]; + int err = 0; + + /* remove/update symlinks, remove symlinks from name index */ + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) + link_update(dev, udev_list_entry_get_name(list_entry), 0); + + /* remove /dev/{block,char}/$major:$minor */ + snprintf(filename, sizeof(filename), "%s/%s/%u:%u", + udev_get_dev_path(udev), + strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char", + major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev))); + unlink(filename); out: - return err; + return err; } diff --git a/src/udev-rules.c b/src/udev-rules.c index 7e7954512..d14a57abc 100644 --- a/src/udev-rules.c +++ b/src/udev-rules.c @@ -32,408 +32,408 @@ #include "udev.h" -#define PREALLOC_TOKEN 2048 -#define PREALLOC_STRBUF 32 * 1024 -#define PREALLOC_TRIE 256 +#define PREALLOC_TOKEN 2048 +#define PREALLOC_STRBUF 32 * 1024 +#define PREALLOC_TRIE 256 struct uid_gid { - unsigned int name_off; - union { - uid_t uid; - gid_t gid; - }; + unsigned int name_off; + union { + uid_t uid; + gid_t gid; + }; }; struct trie_node { - /* this node's first child */ - unsigned int child_idx; - /* the next child of our parent node's child list */ - unsigned int next_child_idx; - /* this node's last child (shortcut for append) */ - unsigned int last_child_idx; - unsigned int value_off; - unsigned short value_len; - unsigned char key; + /* this node's first child */ + unsigned int child_idx; + /* the next child of our parent node's child list */ + unsigned int next_child_idx; + /* this node's last child (shortcut for append) */ + unsigned int last_child_idx; + unsigned int value_off; + unsigned short value_len; + unsigned char key; }; struct udev_rules { - struct udev *udev; - int resolve_names; - - /* every key in the rules file becomes a token */ - struct token *tokens; - unsigned int token_cur; - unsigned int token_max; - - /* all key strings are copied to a single string buffer */ - char *buf; - size_t buf_cur; - size_t buf_max; - unsigned int buf_count; - - /* during rule parsing, strings are indexed to find duplicates */ - struct trie_node *trie_nodes; - unsigned int trie_nodes_cur; - unsigned int trie_nodes_max; - - /* during rule parsing, uid/gid lookup results are cached */ - struct uid_gid *uids; - unsigned int uids_cur; - unsigned int uids_max; - struct uid_gid *gids; - unsigned int gids_cur; - unsigned int gids_max; + struct udev *udev; + int resolve_names; + + /* every key in the rules file becomes a token */ + struct token *tokens; + unsigned int token_cur; + unsigned int token_max; + + /* all key strings are copied to a single string buffer */ + char *buf; + size_t buf_cur; + size_t buf_max; + unsigned int buf_count; + + /* during rule parsing, strings are indexed to find duplicates */ + struct trie_node *trie_nodes; + unsigned int trie_nodes_cur; + unsigned int trie_nodes_max; + + /* during rule parsing, uid/gid lookup results are cached */ + struct uid_gid *uids; + unsigned int uids_cur; + unsigned int uids_max; + struct uid_gid *gids; + unsigned int gids_cur; + unsigned int gids_max; }; /* KEY=="", KEY!="", KEY+="", KEY="", KEY:="" */ enum operation_type { - OP_UNSET, + OP_UNSET, - OP_MATCH, - OP_NOMATCH, - OP_MATCH_MAX, + OP_MATCH, + OP_NOMATCH, + OP_MATCH_MAX, - OP_ADD, - OP_ASSIGN, - OP_ASSIGN_FINAL, + OP_ADD, + OP_ASSIGN, + OP_ASSIGN_FINAL, }; enum string_glob_type { - GL_UNSET, - GL_PLAIN, /* no special chars */ - GL_GLOB, /* shell globs ?,*,[] */ - GL_SPLIT, /* multi-value A|B */ - GL_SPLIT_GLOB, /* multi-value with glob A*|B* */ - GL_SOMETHING, /* commonly used "?*" */ + GL_UNSET, + GL_PLAIN, /* no special chars */ + GL_GLOB, /* shell globs ?,*,[] */ + GL_SPLIT, /* multi-value A|B */ + GL_SPLIT_GLOB, /* multi-value with glob A*|B* */ + GL_SOMETHING, /* commonly used "?*" */ }; enum string_subst_type { - SB_UNSET, - SB_NONE, - SB_FORMAT, - SB_SUBSYS, + SB_UNSET, + SB_NONE, + SB_FORMAT, + SB_SUBSYS, }; /* tokens of a rule are sorted/handled in this order */ enum token_type { - TK_UNSET, - TK_RULE, - - TK_M_ACTION, /* val */ - TK_M_DEVPATH, /* val */ - TK_M_KERNEL, /* val */ - TK_M_DEVLINK, /* val */ - TK_M_NAME, /* val */ - TK_M_ENV, /* val, attr */ - TK_M_TAG, /* val */ - TK_M_SUBSYSTEM, /* val */ - TK_M_DRIVER, /* val */ - TK_M_WAITFOR, /* val */ - TK_M_ATTR, /* val, attr */ - - TK_M_PARENTS_MIN, - TK_M_KERNELS, /* val */ - TK_M_SUBSYSTEMS, /* val */ - TK_M_DRIVERS, /* val */ - TK_M_ATTRS, /* val, attr */ - TK_M_TAGS, /* val */ - TK_M_PARENTS_MAX, - - TK_M_TEST, /* val, mode_t */ - TK_M_EVENT_TIMEOUT, /* int */ - TK_M_PROGRAM, /* val */ - TK_M_IMPORT_FILE, /* val */ - TK_M_IMPORT_PROG, /* val */ - TK_M_IMPORT_BUILTIN, /* val */ - TK_M_IMPORT_DB, /* val */ - TK_M_IMPORT_CMDLINE, /* val */ - TK_M_IMPORT_PARENT, /* val */ - TK_M_RESULT, /* val */ - TK_M_MAX, - - TK_A_STRING_ESCAPE_NONE, - TK_A_STRING_ESCAPE_REPLACE, - TK_A_DB_PERSIST, - TK_A_INOTIFY_WATCH, /* int */ - TK_A_DEVLINK_PRIO, /* int */ - TK_A_OWNER, /* val */ - TK_A_GROUP, /* val */ - TK_A_MODE, /* val */ - TK_A_OWNER_ID, /* uid_t */ - TK_A_GROUP_ID, /* gid_t */ - TK_A_MODE_ID, /* mode_t */ - TK_A_STATIC_NODE, /* val */ - TK_A_ENV, /* val, attr */ - TK_A_TAG, /* val */ - TK_A_NAME, /* val */ - TK_A_DEVLINK, /* val */ - TK_A_ATTR, /* val, attr */ - TK_A_RUN, /* val, bool */ - TK_A_GOTO, /* size_t */ - - TK_END, + TK_UNSET, + TK_RULE, + + TK_M_ACTION, /* val */ + TK_M_DEVPATH, /* val */ + TK_M_KERNEL, /* val */ + TK_M_DEVLINK, /* val */ + TK_M_NAME, /* val */ + TK_M_ENV, /* val, attr */ + TK_M_TAG, /* val */ + TK_M_SUBSYSTEM, /* val */ + TK_M_DRIVER, /* val */ + TK_M_WAITFOR, /* val */ + TK_M_ATTR, /* val, attr */ + + TK_M_PARENTS_MIN, + TK_M_KERNELS, /* val */ + TK_M_SUBSYSTEMS, /* val */ + TK_M_DRIVERS, /* val */ + TK_M_ATTRS, /* val, attr */ + TK_M_TAGS, /* val */ + TK_M_PARENTS_MAX, + + TK_M_TEST, /* val, mode_t */ + TK_M_EVENT_TIMEOUT, /* int */ + TK_M_PROGRAM, /* val */ + TK_M_IMPORT_FILE, /* val */ + TK_M_IMPORT_PROG, /* val */ + TK_M_IMPORT_BUILTIN, /* val */ + TK_M_IMPORT_DB, /* val */ + TK_M_IMPORT_CMDLINE, /* val */ + TK_M_IMPORT_PARENT, /* val */ + TK_M_RESULT, /* val */ + TK_M_MAX, + + TK_A_STRING_ESCAPE_NONE, + TK_A_STRING_ESCAPE_REPLACE, + TK_A_DB_PERSIST, + TK_A_INOTIFY_WATCH, /* int */ + TK_A_DEVLINK_PRIO, /* int */ + TK_A_OWNER, /* val */ + TK_A_GROUP, /* val */ + TK_A_MODE, /* val */ + TK_A_OWNER_ID, /* uid_t */ + TK_A_GROUP_ID, /* gid_t */ + TK_A_MODE_ID, /* mode_t */ + TK_A_STATIC_NODE, /* val */ + TK_A_ENV, /* val, attr */ + TK_A_TAG, /* val */ + TK_A_NAME, /* val */ + TK_A_DEVLINK, /* val */ + TK_A_ATTR, /* val, attr */ + TK_A_RUN, /* val, bool */ + TK_A_GOTO, /* size_t */ + + TK_END, }; /* we try to pack stuff in a way that we take only 12 bytes per token */ struct token { - union { - unsigned char type; /* same in rule and key */ - struct { - enum token_type type:8; - bool can_set_name:1; - bool has_static_node:1; - unsigned int unused:6; - unsigned short token_count; - unsigned int label_off; - unsigned short filename_off; - unsigned short filename_line; - } rule; - struct { - enum token_type type:8; - enum operation_type op:8; - enum string_glob_type glob:8; - enum string_subst_type subst:4; - enum string_subst_type attrsubst:4; - unsigned int value_off; - union { - unsigned int attr_off; - int devlink_unique; - unsigned int rule_goto; - mode_t mode; - uid_t uid; - gid_t gid; - int devlink_prio; - int event_timeout; - int watch; - enum udev_builtin_cmd builtin_cmd; - }; - } key; - }; + union { + unsigned char type; /* same in rule and key */ + struct { + enum token_type type:8; + bool can_set_name:1; + bool has_static_node:1; + unsigned int unused:6; + unsigned short token_count; + unsigned int label_off; + unsigned short filename_off; + unsigned short filename_line; + } rule; + struct { + enum token_type type:8; + enum operation_type op:8; + enum string_glob_type glob:8; + enum string_subst_type subst:4; + enum string_subst_type attrsubst:4; + unsigned int value_off; + union { + unsigned int attr_off; + int devlink_unique; + unsigned int rule_goto; + mode_t mode; + uid_t uid; + gid_t gid; + int devlink_prio; + int event_timeout; + int watch; + enum udev_builtin_cmd builtin_cmd; + }; + } key; + }; }; -#define MAX_TK 64 +#define MAX_TK 64 struct rule_tmp { - struct udev_rules *rules; - struct token rule; - struct token token[MAX_TK]; - unsigned int token_cur; + struct udev_rules *rules; + struct token rule; + struct token token[MAX_TK]; + unsigned int token_cur; }; #ifdef ENABLE_DEBUG static const char *operation_str(enum operation_type type) { - static const char *operation_strs[] = { - [OP_UNSET] = "UNSET", - [OP_MATCH] = "match", - [OP_NOMATCH] = "nomatch", - [OP_MATCH_MAX] = "MATCH_MAX", - - [OP_ADD] = "add", - [OP_ASSIGN] = "assign", - [OP_ASSIGN_FINAL] = "assign-final", -} ; - - return operation_strs[type]; + static const char *operation_strs[] = { + [OP_UNSET] = "UNSET", + [OP_MATCH] = "match", + [OP_NOMATCH] = "nomatch", + [OP_MATCH_MAX] = "MATCH_MAX", + + [OP_ADD] = "add", + [OP_ASSIGN] = "assign", + [OP_ASSIGN_FINAL] = "assign-final", +} ; + + return operation_strs[type]; } static const char *string_glob_str(enum string_glob_type type) { - static const char *string_glob_strs[] = { - [GL_UNSET] = "UNSET", - [GL_PLAIN] = "plain", - [GL_GLOB] = "glob", - [GL_SPLIT] = "split", - [GL_SPLIT_GLOB] = "split-glob", - [GL_SOMETHING] = "split-glob", - }; - - return string_glob_strs[type]; + static const char *string_glob_strs[] = { + [GL_UNSET] = "UNSET", + [GL_PLAIN] = "plain", + [GL_GLOB] = "glob", + [GL_SPLIT] = "split", + [GL_SPLIT_GLOB] = "split-glob", + [GL_SOMETHING] = "split-glob", + }; + + return string_glob_strs[type]; } static const char *token_str(enum token_type type) { - static const char *token_strs[] = { - [TK_UNSET] = "UNSET", - [TK_RULE] = "RULE", - - [TK_M_ACTION] = "M ACTION", - [TK_M_DEVPATH] = "M DEVPATH", - [TK_M_KERNEL] = "M KERNEL", - [TK_M_DEVLINK] = "M DEVLINK", - [TK_M_NAME] = "M NAME", - [TK_M_ENV] = "M ENV", - [TK_M_TAG] = "M TAG", - [TK_M_SUBSYSTEM] = "M SUBSYSTEM", - [TK_M_DRIVER] = "M DRIVER", - [TK_M_WAITFOR] = "M WAITFOR", - [TK_M_ATTR] = "M ATTR", - - [TK_M_PARENTS_MIN] = "M PARENTS_MIN", - [TK_M_KERNELS] = "M KERNELS", - [TK_M_SUBSYSTEMS] = "M SUBSYSTEMS", - [TK_M_DRIVERS] = "M DRIVERS", - [TK_M_ATTRS] = "M ATTRS", - [TK_M_TAGS] = "M TAGS", - [TK_M_PARENTS_MAX] = "M PARENTS_MAX", - - [TK_M_TEST] = "M TEST", - [TK_M_EVENT_TIMEOUT] = "M EVENT_TIMEOUT", - [TK_M_PROGRAM] = "M PROGRAM", - [TK_M_IMPORT_FILE] = "M IMPORT_FILE", - [TK_M_IMPORT_PROG] = "M IMPORT_PROG", - [TK_M_IMPORT_BUILTIN] = "M IMPORT_BUILTIN", - [TK_M_IMPORT_DB] = "M IMPORT_DB", - [TK_M_IMPORT_CMDLINE] = "M IMPORT_CMDLINE", - [TK_M_IMPORT_PARENT] = "M IMPORT_PARENT", - [TK_M_RESULT] = "M RESULT", - [TK_M_MAX] = "M MAX", - - [TK_A_STRING_ESCAPE_NONE] = "A STRING_ESCAPE_NONE", - [TK_A_STRING_ESCAPE_REPLACE] = "A STRING_ESCAPE_REPLACE", - [TK_A_DB_PERSIST] = "A DB_PERSIST", - [TK_A_INOTIFY_WATCH] = "A INOTIFY_WATCH", - [TK_A_DEVLINK_PRIO] = "A DEVLINK_PRIO", - [TK_A_OWNER] = "A OWNER", - [TK_A_GROUP] = "A GROUP", - [TK_A_MODE] = "A MODE", - [TK_A_OWNER_ID] = "A OWNER_ID", - [TK_A_GROUP_ID] = "A GROUP_ID", - [TK_A_STATIC_NODE] = "A STATIC_NODE", - [TK_A_MODE_ID] = "A MODE_ID", - [TK_A_ENV] = "A ENV", - [TK_A_TAG] = "A ENV", - [TK_A_NAME] = "A NAME", - [TK_A_DEVLINK] = "A DEVLINK", - [TK_A_ATTR] = "A ATTR", - [TK_A_RUN] = "A RUN", - [TK_A_GOTO] = "A GOTO", - - [TK_END] = "END", - }; - - return token_strs[type]; + static const char *token_strs[] = { + [TK_UNSET] = "UNSET", + [TK_RULE] = "RULE", + + [TK_M_ACTION] = "M ACTION", + [TK_M_DEVPATH] = "M DEVPATH", + [TK_M_KERNEL] = "M KERNEL", + [TK_M_DEVLINK] = "M DEVLINK", + [TK_M_NAME] = "M NAME", + [TK_M_ENV] = "M ENV", + [TK_M_TAG] = "M TAG", + [TK_M_SUBSYSTEM] = "M SUBSYSTEM", + [TK_M_DRIVER] = "M DRIVER", + [TK_M_WAITFOR] = "M WAITFOR", + [TK_M_ATTR] = "M ATTR", + + [TK_M_PARENTS_MIN] = "M PARENTS_MIN", + [TK_M_KERNELS] = "M KERNELS", + [TK_M_SUBSYSTEMS] = "M SUBSYSTEMS", + [TK_M_DRIVERS] = "M DRIVERS", + [TK_M_ATTRS] = "M ATTRS", + [TK_M_TAGS] = "M TAGS", + [TK_M_PARENTS_MAX] = "M PARENTS_MAX", + + [TK_M_TEST] = "M TEST", + [TK_M_EVENT_TIMEOUT] = "M EVENT_TIMEOUT", + [TK_M_PROGRAM] = "M PROGRAM", + [TK_M_IMPORT_FILE] = "M IMPORT_FILE", + [TK_M_IMPORT_PROG] = "M IMPORT_PROG", + [TK_M_IMPORT_BUILTIN] = "M IMPORT_BUILTIN", + [TK_M_IMPORT_DB] = "M IMPORT_DB", + [TK_M_IMPORT_CMDLINE] = "M IMPORT_CMDLINE", + [TK_M_IMPORT_PARENT] = "M IMPORT_PARENT", + [TK_M_RESULT] = "M RESULT", + [TK_M_MAX] = "M MAX", + + [TK_A_STRING_ESCAPE_NONE] = "A STRING_ESCAPE_NONE", + [TK_A_STRING_ESCAPE_REPLACE] = "A STRING_ESCAPE_REPLACE", + [TK_A_DB_PERSIST] = "A DB_PERSIST", + [TK_A_INOTIFY_WATCH] = "A INOTIFY_WATCH", + [TK_A_DEVLINK_PRIO] = "A DEVLINK_PRIO", + [TK_A_OWNER] = "A OWNER", + [TK_A_GROUP] = "A GROUP", + [TK_A_MODE] = "A MODE", + [TK_A_OWNER_ID] = "A OWNER_ID", + [TK_A_GROUP_ID] = "A GROUP_ID", + [TK_A_STATIC_NODE] = "A STATIC_NODE", + [TK_A_MODE_ID] = "A MODE_ID", + [TK_A_ENV] = "A ENV", + [TK_A_TAG] = "A ENV", + [TK_A_NAME] = "A NAME", + [TK_A_DEVLINK] = "A DEVLINK", + [TK_A_ATTR] = "A ATTR", + [TK_A_RUN] = "A RUN", + [TK_A_GOTO] = "A GOTO", + + [TK_END] = "END", + }; + + return token_strs[type]; } static void dump_token(struct udev_rules *rules, struct token *token) { - enum token_type type = token->type; - enum operation_type op = token->key.op; - enum string_glob_type glob = token->key.glob; - const char *value = &rules->buf[token->key.value_off]; - const char *attr = &rules->buf[token->key.attr_off]; - - switch (type) { - case TK_RULE: - { - const char *tks_ptr = (char *)rules->tokens; - const char *tk_ptr = (char *)token; - unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token); - - dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s'\n", - &rules->buf[token->rule.filename_off], token->rule.filename_line, - idx, token->rule.token_count, - &rules->buf[token->rule.label_off]); - break; - } - case TK_M_ACTION: - case TK_M_DEVPATH: - case TK_M_KERNEL: - case TK_M_SUBSYSTEM: - case TK_M_DRIVER: - case TK_M_WAITFOR: - case TK_M_DEVLINK: - case TK_M_NAME: - case TK_M_KERNELS: - case TK_M_SUBSYSTEMS: - case TK_M_DRIVERS: - case TK_M_TAGS: - case TK_M_PROGRAM: - case TK_M_IMPORT_FILE: - case TK_M_IMPORT_PROG: - case TK_M_IMPORT_DB: - case TK_M_IMPORT_CMDLINE: - case TK_M_IMPORT_PARENT: - case TK_M_RESULT: - case TK_A_NAME: - case TK_A_DEVLINK: - case TK_A_OWNER: - case TK_A_GROUP: - case TK_A_MODE: - case TK_A_RUN: - dbg(rules->udev, "%s %s '%s'(%s)\n", - token_str(type), operation_str(op), value, string_glob_str(glob)); - break; - case TK_M_IMPORT_BUILTIN: - dbg(rules->udev, "%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value); - break; - case TK_M_ATTR: - case TK_M_ATTRS: - case TK_M_ENV: - case TK_A_ATTR: - case TK_A_ENV: - dbg(rules->udev, "%s %s '%s' '%s'(%s)\n", - token_str(type), operation_str(op), attr, value, string_glob_str(glob)); - break; - case TK_M_TAG: - case TK_A_TAG: - dbg(rules->udev, "%s %s '%s'\n", token_str(type), operation_str(op), value); - break; - case TK_A_STRING_ESCAPE_NONE: - case TK_A_STRING_ESCAPE_REPLACE: - case TK_A_DB_PERSIST: - dbg(rules->udev, "%s\n", token_str(type)); - break; - case TK_M_TEST: - dbg(rules->udev, "%s %s '%s'(%s) %#o\n", - token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode); - break; - case TK_A_INOTIFY_WATCH: - dbg(rules->udev, "%s %u\n", token_str(type), token->key.watch); - break; - case TK_A_DEVLINK_PRIO: - dbg(rules->udev, "%s %u\n", token_str(type), token->key.devlink_prio); - break; - case TK_A_OWNER_ID: - dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.uid); - break; - case TK_A_GROUP_ID: - dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.gid); - break; - case TK_A_MODE_ID: - dbg(rules->udev, "%s %s %#o\n", token_str(type), operation_str(op), token->key.mode); - break; - case TK_A_STATIC_NODE: - dbg(rules->udev, "%s '%s'\n", token_str(type), value); - break; - case TK_M_EVENT_TIMEOUT: - dbg(rules->udev, "%s %u\n", token_str(type), token->key.event_timeout); - break; - case TK_A_GOTO: - dbg(rules->udev, "%s '%s' %u\n", token_str(type), value, token->key.rule_goto); - break; - case TK_END: - dbg(rules->udev, "* %s\n", token_str(type)); - break; - case TK_M_PARENTS_MIN: - case TK_M_PARENTS_MAX: - case TK_M_MAX: - case TK_UNSET: - dbg(rules->udev, "unknown type %u\n", type); - break; - } + enum token_type type = token->type; + enum operation_type op = token->key.op; + enum string_glob_type glob = token->key.glob; + const char *value = &rules->buf[token->key.value_off]; + const char *attr = &rules->buf[token->key.attr_off]; + + switch (type) { + case TK_RULE: + { + const char *tks_ptr = (char *)rules->tokens; + const char *tk_ptr = (char *)token; + unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token); + + dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s'\n", + &rules->buf[token->rule.filename_off], token->rule.filename_line, + idx, token->rule.token_count, + &rules->buf[token->rule.label_off]); + break; + } + case TK_M_ACTION: + case TK_M_DEVPATH: + case TK_M_KERNEL: + case TK_M_SUBSYSTEM: + case TK_M_DRIVER: + case TK_M_WAITFOR: + case TK_M_DEVLINK: + case TK_M_NAME: + case TK_M_KERNELS: + case TK_M_SUBSYSTEMS: + case TK_M_DRIVERS: + case TK_M_TAGS: + case TK_M_PROGRAM: + case TK_M_IMPORT_FILE: + case TK_M_IMPORT_PROG: + case TK_M_IMPORT_DB: + case TK_M_IMPORT_CMDLINE: + case TK_M_IMPORT_PARENT: + case TK_M_RESULT: + case TK_A_NAME: + case TK_A_DEVLINK: + case TK_A_OWNER: + case TK_A_GROUP: + case TK_A_MODE: + case TK_A_RUN: + dbg(rules->udev, "%s %s '%s'(%s)\n", + token_str(type), operation_str(op), value, string_glob_str(glob)); + break; + case TK_M_IMPORT_BUILTIN: + dbg(rules->udev, "%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value); + break; + case TK_M_ATTR: + case TK_M_ATTRS: + case TK_M_ENV: + case TK_A_ATTR: + case TK_A_ENV: + dbg(rules->udev, "%s %s '%s' '%s'(%s)\n", + token_str(type), operation_str(op), attr, value, string_glob_str(glob)); + break; + case TK_M_TAG: + case TK_A_TAG: + dbg(rules->udev, "%s %s '%s'\n", token_str(type), operation_str(op), value); + break; + case TK_A_STRING_ESCAPE_NONE: + case TK_A_STRING_ESCAPE_REPLACE: + case TK_A_DB_PERSIST: + dbg(rules->udev, "%s\n", token_str(type)); + break; + case TK_M_TEST: + dbg(rules->udev, "%s %s '%s'(%s) %#o\n", + token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode); + break; + case TK_A_INOTIFY_WATCH: + dbg(rules->udev, "%s %u\n", token_str(type), token->key.watch); + break; + case TK_A_DEVLINK_PRIO: + dbg(rules->udev, "%s %u\n", token_str(type), token->key.devlink_prio); + break; + case TK_A_OWNER_ID: + dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.uid); + break; + case TK_A_GROUP_ID: + dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.gid); + break; + case TK_A_MODE_ID: + dbg(rules->udev, "%s %s %#o\n", token_str(type), operation_str(op), token->key.mode); + break; + case TK_A_STATIC_NODE: + dbg(rules->udev, "%s '%s'\n", token_str(type), value); + break; + case TK_M_EVENT_TIMEOUT: + dbg(rules->udev, "%s %u\n", token_str(type), token->key.event_timeout); + break; + case TK_A_GOTO: + dbg(rules->udev, "%s '%s' %u\n", token_str(type), value, token->key.rule_goto); + break; + case TK_END: + dbg(rules->udev, "* %s\n", token_str(type)); + break; + case TK_M_PARENTS_MIN: + case TK_M_PARENTS_MAX: + case TK_M_MAX: + case TK_UNSET: + dbg(rules->udev, "unknown type %u\n", type); + break; + } } static void dump_rules(struct udev_rules *rules) { - unsigned int i; - - dbg(rules->udev, "dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n", - rules->token_cur, - rules->token_cur * sizeof(struct token), - rules->buf_count, - rules->buf_cur); - for(i = 0; i < rules->token_cur; i++) - dump_token(rules, &rules->tokens[i]); + unsigned int i; + + dbg(rules->udev, "dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n", + rules->token_cur, + rules->token_cur * sizeof(struct token), + rules->buf_count, + rules->buf_cur); + for(i = 0; i < rules->token_cur; i++) + dump_token(rules, &rules->tokens[i]); } #else static inline const char *operation_str(enum operation_type type) { return NULL; } @@ -444,2310 +444,2310 @@ static inline void dump_rules(struct udev_rules *rules) {} static int add_new_string(struct udev_rules *rules, const char *str, size_t bytes) { - int off; - - /* grow buffer if needed */ - if (rules->buf_cur + bytes+1 >= rules->buf_max) { - char *buf; - unsigned int add; - - /* double the buffer size */ - add = rules->buf_max; - if (add < bytes * 8) - add = bytes * 8; - - buf = realloc(rules->buf, rules->buf_max + add); - if (buf == NULL) - return -1; - dbg(rules->udev, "extend buffer from %zu to %zu\n", rules->buf_max, rules->buf_max + add); - rules->buf = buf; - rules->buf_max += add; - } - off = rules->buf_cur; - memcpy(&rules->buf[rules->buf_cur], str, bytes); - rules->buf_cur += bytes; - rules->buf_count++; - return off; + int off; + + /* grow buffer if needed */ + if (rules->buf_cur + bytes+1 >= rules->buf_max) { + char *buf; + unsigned int add; + + /* double the buffer size */ + add = rules->buf_max; + if (add < bytes * 8) + add = bytes * 8; + + buf = realloc(rules->buf, rules->buf_max + add); + if (buf == NULL) + return -1; + dbg(rules->udev, "extend buffer from %zu to %zu\n", rules->buf_max, rules->buf_max + add); + rules->buf = buf; + rules->buf_max += add; + } + off = rules->buf_cur; + memcpy(&rules->buf[rules->buf_cur], str, bytes); + rules->buf_cur += bytes; + rules->buf_count++; + return off; } static int add_string(struct udev_rules *rules, const char *str) { - unsigned int node_idx; - struct trie_node *new_node; - unsigned int new_node_idx; - unsigned char key; - unsigned short len; - unsigned int depth; - unsigned int off; - struct trie_node *parent; - - /* walk trie, start from last character of str to find matching tails */ - len = strlen(str); - key = str[len-1]; - node_idx = 0; - for (depth = 0; depth <= len; depth++) { - struct trie_node *node; - unsigned int child_idx; - - node = &rules->trie_nodes[node_idx]; - off = node->value_off + node->value_len - len; - - /* match against current node */ - if (depth == len || (node->value_len >= len && memcmp(&rules->buf[off], str, len) == 0)) - return off; - - /* lookup child node */ - key = str[len - 1 - depth]; - child_idx = node->child_idx; - while (child_idx > 0) { - struct trie_node *child; - - child = &rules->trie_nodes[child_idx]; - if (child->key == key) - break; - child_idx = child->next_child_idx; - } - if (child_idx == 0) - break; - node_idx = child_idx; - } - - /* string not found, add it */ - off = add_new_string(rules, str, len + 1); - - /* grow trie nodes if needed */ - if (rules->trie_nodes_cur >= rules->trie_nodes_max) { - struct trie_node *nodes; - unsigned int add; - - /* double the buffer size */ - add = rules->trie_nodes_max; - if (add < 8) - add = 8; - - nodes = realloc(rules->trie_nodes, (rules->trie_nodes_max + add) * sizeof(struct trie_node)); - if (nodes == NULL) - return -1; - dbg(rules->udev, "extend trie nodes from %u to %u\n", - rules->trie_nodes_max, rules->trie_nodes_max + add); - rules->trie_nodes = nodes; - rules->trie_nodes_max += add; - } - - /* get a new node */ - new_node_idx = rules->trie_nodes_cur; - rules->trie_nodes_cur++; - new_node = &rules->trie_nodes[new_node_idx]; - memset(new_node, 0x00, sizeof(struct trie_node)); - new_node->value_off = off; - new_node->value_len = len; - new_node->key = key; - - /* join the parent's child list */ - parent = &rules->trie_nodes[node_idx]; - if (parent->child_idx == 0) { - parent->child_idx = new_node_idx; - } else { - struct trie_node *last_child; - - last_child = &rules->trie_nodes[parent->last_child_idx]; - last_child->next_child_idx = new_node_idx; - } - parent->last_child_idx = new_node_idx; - return off; + unsigned int node_idx; + struct trie_node *new_node; + unsigned int new_node_idx; + unsigned char key; + unsigned short len; + unsigned int depth; + unsigned int off; + struct trie_node *parent; + + /* walk trie, start from last character of str to find matching tails */ + len = strlen(str); + key = str[len-1]; + node_idx = 0; + for (depth = 0; depth <= len; depth++) { + struct trie_node *node; + unsigned int child_idx; + + node = &rules->trie_nodes[node_idx]; + off = node->value_off + node->value_len - len; + + /* match against current node */ + if (depth == len || (node->value_len >= len && memcmp(&rules->buf[off], str, len) == 0)) + return off; + + /* lookup child node */ + key = str[len - 1 - depth]; + child_idx = node->child_idx; + while (child_idx > 0) { + struct trie_node *child; + + child = &rules->trie_nodes[child_idx]; + if (child->key == key) + break; + child_idx = child->next_child_idx; + } + if (child_idx == 0) + break; + node_idx = child_idx; + } + + /* string not found, add it */ + off = add_new_string(rules, str, len + 1); + + /* grow trie nodes if needed */ + if (rules->trie_nodes_cur >= rules->trie_nodes_max) { + struct trie_node *nodes; + unsigned int add; + + /* double the buffer size */ + add = rules->trie_nodes_max; + if (add < 8) + add = 8; + + nodes = realloc(rules->trie_nodes, (rules->trie_nodes_max + add) * sizeof(struct trie_node)); + if (nodes == NULL) + return -1; + dbg(rules->udev, "extend trie nodes from %u to %u\n", + rules->trie_nodes_max, rules->trie_nodes_max + add); + rules->trie_nodes = nodes; + rules->trie_nodes_max += add; + } + + /* get a new node */ + new_node_idx = rules->trie_nodes_cur; + rules->trie_nodes_cur++; + new_node = &rules->trie_nodes[new_node_idx]; + memset(new_node, 0x00, sizeof(struct trie_node)); + new_node->value_off = off; + new_node->value_len = len; + new_node->key = key; + + /* join the parent's child list */ + parent = &rules->trie_nodes[node_idx]; + if (parent->child_idx == 0) { + parent->child_idx = new_node_idx; + } else { + struct trie_node *last_child; + + last_child = &rules->trie_nodes[parent->last_child_idx]; + last_child->next_child_idx = new_node_idx; + } + parent->last_child_idx = new_node_idx; + return off; } static int add_token(struct udev_rules *rules, struct token *token) { - /* grow buffer if needed */ - if (rules->token_cur+1 >= rules->token_max) { - struct token *tokens; - unsigned int add; - - /* double the buffer size */ - add = rules->token_max; - if (add < 8) - add = 8; - - tokens = realloc(rules->tokens, (rules->token_max + add ) * sizeof(struct token)); - if (tokens == NULL) - return -1; - dbg(rules->udev, "extend tokens from %u to %u\n", rules->token_max, rules->token_max + add); - rules->tokens = tokens; - rules->token_max += add; - } - memcpy(&rules->tokens[rules->token_cur], token, sizeof(struct token)); - rules->token_cur++; - return 0; + /* grow buffer if needed */ + if (rules->token_cur+1 >= rules->token_max) { + struct token *tokens; + unsigned int add; + + /* double the buffer size */ + add = rules->token_max; + if (add < 8) + add = 8; + + tokens = realloc(rules->tokens, (rules->token_max + add ) * sizeof(struct token)); + if (tokens == NULL) + return -1; + dbg(rules->udev, "extend tokens from %u to %u\n", rules->token_max, rules->token_max + add); + rules->tokens = tokens; + rules->token_max += add; + } + memcpy(&rules->tokens[rules->token_cur], token, sizeof(struct token)); + rules->token_cur++; + return 0; } static uid_t add_uid(struct udev_rules *rules, const char *owner) { - unsigned int i; - uid_t uid; - unsigned int off; - - /* lookup, if we know it already */ - for (i = 0; i < rules->uids_cur; i++) { - off = rules->uids[i].name_off; - if (strcmp(&rules->buf[off], owner) == 0) { - uid = rules->uids[i].uid; - dbg(rules->udev, "return existing %u for '%s'\n", uid, owner); - return uid; - } - } - uid = util_lookup_user(rules->udev, owner); - - /* grow buffer if needed */ - if (rules->uids_cur+1 >= rules->uids_max) { - struct uid_gid *uids; - unsigned int add; - - /* double the buffer size */ - add = rules->uids_max; - if (add < 1) - add = 8; - - uids = realloc(rules->uids, (rules->uids_max + add ) * sizeof(struct uid_gid)); - if (uids == NULL) - return uid; - dbg(rules->udev, "extend uids from %u to %u\n", rules->uids_max, rules->uids_max + add); - rules->uids = uids; - rules->uids_max += add; - } - rules->uids[rules->uids_cur].uid = uid; - off = add_string(rules, owner); - if (off <= 0) - return uid; - rules->uids[rules->uids_cur].name_off = off; - rules->uids_cur++; - return uid; + unsigned int i; + uid_t uid; + unsigned int off; + + /* lookup, if we know it already */ + for (i = 0; i < rules->uids_cur; i++) { + off = rules->uids[i].name_off; + if (strcmp(&rules->buf[off], owner) == 0) { + uid = rules->uids[i].uid; + dbg(rules->udev, "return existing %u for '%s'\n", uid, owner); + return uid; + } + } + uid = util_lookup_user(rules->udev, owner); + + /* grow buffer if needed */ + if (rules->uids_cur+1 >= rules->uids_max) { + struct uid_gid *uids; + unsigned int add; + + /* double the buffer size */ + add = rules->uids_max; + if (add < 1) + add = 8; + + uids = realloc(rules->uids, (rules->uids_max + add ) * sizeof(struct uid_gid)); + if (uids == NULL) + return uid; + dbg(rules->udev, "extend uids from %u to %u\n", rules->uids_max, rules->uids_max + add); + rules->uids = uids; + rules->uids_max += add; + } + rules->uids[rules->uids_cur].uid = uid; + off = add_string(rules, owner); + if (off <= 0) + return uid; + rules->uids[rules->uids_cur].name_off = off; + rules->uids_cur++; + return uid; } static gid_t add_gid(struct udev_rules *rules, const char *group) { - unsigned int i; - gid_t gid; - unsigned int off; - - /* lookup, if we know it already */ - for (i = 0; i < rules->gids_cur; i++) { - off = rules->gids[i].name_off; - if (strcmp(&rules->buf[off], group) == 0) { - gid = rules->gids[i].gid; - dbg(rules->udev, "return existing %u for '%s'\n", gid, group); - return gid; - } - } - gid = util_lookup_group(rules->udev, group); - - /* grow buffer if needed */ - if (rules->gids_cur+1 >= rules->gids_max) { - struct uid_gid *gids; - unsigned int add; - - /* double the buffer size */ - add = rules->gids_max; - if (add < 1) - add = 8; - - gids = realloc(rules->gids, (rules->gids_max + add ) * sizeof(struct uid_gid)); - if (gids == NULL) - return gid; - dbg(rules->udev, "extend gids from %u to %u\n", rules->gids_max, rules->gids_max + add); - rules->gids = gids; - rules->gids_max += add; - } - rules->gids[rules->gids_cur].gid = gid; - off = add_string(rules, group); - if (off <= 0) - return gid; - rules->gids[rules->gids_cur].name_off = off; - rules->gids_cur++; - return gid; + unsigned int i; + gid_t gid; + unsigned int off; + + /* lookup, if we know it already */ + for (i = 0; i < rules->gids_cur; i++) { + off = rules->gids[i].name_off; + if (strcmp(&rules->buf[off], group) == 0) { + gid = rules->gids[i].gid; + dbg(rules->udev, "return existing %u for '%s'\n", gid, group); + return gid; + } + } + gid = util_lookup_group(rules->udev, group); + + /* grow buffer if needed */ + if (rules->gids_cur+1 >= rules->gids_max) { + struct uid_gid *gids; + unsigned int add; + + /* double the buffer size */ + add = rules->gids_max; + if (add < 1) + add = 8; + + gids = realloc(rules->gids, (rules->gids_max + add ) * sizeof(struct uid_gid)); + if (gids == NULL) + return gid; + dbg(rules->udev, "extend gids from %u to %u\n", rules->gids_max, rules->gids_max + add); + rules->gids = gids; + rules->gids_max += add; + } + rules->gids[rules->gids_cur].gid = gid; + off = add_string(rules, group); + if (off <= 0) + return gid; + rules->gids[rules->gids_cur].name_off = off; + rules->gids_cur++; + return gid; } static int import_property_from_string(struct udev_device *dev, char *line) { - struct udev *udev = udev_device_get_udev(dev); - char *key; - char *val; - size_t len; - - /* find key */ - key = line; - while (isspace(key[0])) - key++; - - /* comment or empty line */ - if (key[0] == '#' || key[0] == '\0') - return -1; - - /* split key/value */ - val = strchr(key, '='); - if (val == NULL) - return -1; - val[0] = '\0'; - val++; - - /* find value */ - while (isspace(val[0])) - val++; - - /* terminate key */ - len = strlen(key); - if (len == 0) - return -1; - while (isspace(key[len-1])) - len--; - key[len] = '\0'; - - /* terminate value */ - len = strlen(val); - if (len == 0) - return -1; - while (isspace(val[len-1])) - len--; - val[len] = '\0'; - - if (len == 0) - return -1; - - /* unquote */ - if (val[0] == '"' || val[0] == '\'') { - if (val[len-1] != val[0]) { - info(udev, "inconsistent quoting: '%s', skip\n", line); - return -1; - } - val[len-1] = '\0'; - val++; - } - - dbg(udev, "adding '%s'='%s'\n", key, val); - - /* handle device, renamed by external tool, returning new path */ - if (strcmp(key, "DEVPATH") == 0) { - char syspath[UTIL_PATH_SIZE]; - - info(udev, "updating devpath from '%s' to '%s'\n", - udev_device_get_devpath(dev), val); - util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), val, NULL); - udev_device_set_syspath(dev, syspath); - } else { - struct udev_list_entry *entry; - - entry = udev_device_add_property(dev, key, val); - /* store in db, skip private keys */ - if (key[0] != '.') - udev_list_entry_set_num(entry, true); - } - return 0; + struct udev *udev = udev_device_get_udev(dev); + char *key; + char *val; + size_t len; + + /* find key */ + key = line; + while (isspace(key[0])) + key++; + + /* comment or empty line */ + if (key[0] == '#' || key[0] == '\0') + return -1; + + /* split key/value */ + val = strchr(key, '='); + if (val == NULL) + return -1; + val[0] = '\0'; + val++; + + /* find value */ + while (isspace(val[0])) + val++; + + /* terminate key */ + len = strlen(key); + if (len == 0) + return -1; + while (isspace(key[len-1])) + len--; + key[len] = '\0'; + + /* terminate value */ + len = strlen(val); + if (len == 0) + return -1; + while (isspace(val[len-1])) + len--; + val[len] = '\0'; + + if (len == 0) + return -1; + + /* unquote */ + if (val[0] == '"' || val[0] == '\'') { + if (val[len-1] != val[0]) { + info(udev, "inconsistent quoting: '%s', skip\n", line); + return -1; + } + val[len-1] = '\0'; + val++; + } + + dbg(udev, "adding '%s'='%s'\n", key, val); + + /* handle device, renamed by external tool, returning new path */ + if (strcmp(key, "DEVPATH") == 0) { + char syspath[UTIL_PATH_SIZE]; + + info(udev, "updating devpath from '%s' to '%s'\n", + udev_device_get_devpath(dev), val); + util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), val, NULL); + udev_device_set_syspath(dev, syspath); + } else { + struct udev_list_entry *entry; + + entry = udev_device_add_property(dev, key, val); + /* store in db, skip private keys */ + if (key[0] != '.') + udev_list_entry_set_num(entry, true); + } + return 0; } static int import_file_into_properties(struct udev_device *dev, const char *filename) { - FILE *f; - char line[UTIL_LINE_SIZE]; - - f = fopen(filename, "r"); - if (f == NULL) - return -1; - while (fgets(line, sizeof(line), f) != NULL) - import_property_from_string(dev, line); - fclose(f); - return 0; + FILE *f; + char line[UTIL_LINE_SIZE]; + + f = fopen(filename, "r"); + if (f == NULL) + return -1; + while (fgets(line, sizeof(line), f) != NULL) + import_property_from_string(dev, line); + fclose(f); + return 0; } static int import_program_into_properties(struct udev_event *event, const char *program, const sigset_t *sigmask) { - struct udev_device *dev = event->dev; - char **envp; - char result[UTIL_LINE_SIZE]; - char *line; - int err; - - envp = udev_device_get_properties_envp(dev); - err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)); - if (err < 0) - return err; - - line = result; - while (line != NULL) { - char *pos; - - pos = strchr(line, '\n'); - if (pos != NULL) { - pos[0] = '\0'; - pos = &pos[1]; - } - import_property_from_string(dev, line); - line = pos; - } - return 0; + struct udev_device *dev = event->dev; + char **envp; + char result[UTIL_LINE_SIZE]; + char *line; + int err; + + envp = udev_device_get_properties_envp(dev); + err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)); + if (err < 0) + return err; + + line = result; + while (line != NULL) { + char *pos; + + pos = strchr(line, '\n'); + if (pos != NULL) { + pos[0] = '\0'; + pos = &pos[1]; + } + import_property_from_string(dev, line); + line = pos; + } + return 0; } static int import_parent_into_properties(struct udev_device *dev, const char *filter) { - struct udev *udev = udev_device_get_udev(dev); - struct udev_device *dev_parent; - struct udev_list_entry *list_entry; - - dev_parent = udev_device_get_parent(dev); - if (dev_parent == NULL) - return -1; - - dbg(udev, "found parent '%s', get the node name\n", udev_device_get_syspath(dev_parent)); - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(dev_parent)) { - const char *key = udev_list_entry_get_name(list_entry); - const char *val = udev_list_entry_get_value(list_entry); - - if (fnmatch(filter, key, 0) == 0) { - struct udev_list_entry *entry; - - dbg(udev, "import key '%s=%s'\n", key, val); - entry = udev_device_add_property(dev, key, val); - /* store in db, skip private keys */ - if (key[0] != '.') - udev_list_entry_set_num(entry, true); - } - } - return 0; + struct udev *udev = udev_device_get_udev(dev); + struct udev_device *dev_parent; + struct udev_list_entry *list_entry; + + dev_parent = udev_device_get_parent(dev); + if (dev_parent == NULL) + return -1; + + dbg(udev, "found parent '%s', get the node name\n", udev_device_get_syspath(dev_parent)); + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(dev_parent)) { + const char *key = udev_list_entry_get_name(list_entry); + const char *val = udev_list_entry_get_value(list_entry); + + if (fnmatch(filter, key, 0) == 0) { + struct udev_list_entry *entry; + + dbg(udev, "import key '%s=%s'\n", key, val); + entry = udev_device_add_property(dev, key, val); + /* store in db, skip private keys */ + if (key[0] != '.') + udev_list_entry_set_num(entry, true); + } + } + return 0; } -#define WAIT_LOOP_PER_SECOND 50 +#define WAIT_LOOP_PER_SECOND 50 static int wait_for_file(struct udev_device *dev, const char *file, int timeout) { - struct udev *udev = udev_device_get_udev(dev); - char filepath[UTIL_PATH_SIZE]; - char devicepath[UTIL_PATH_SIZE]; - struct stat stats; - int loop = timeout * WAIT_LOOP_PER_SECOND; - - /* a relative path is a device attribute */ - devicepath[0] = '\0'; - if (file[0] != '/') { - util_strscpyl(devicepath, sizeof(devicepath), - udev_get_sys_path(udev), udev_device_get_devpath(dev), NULL); - util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL); - file = filepath; - } - - dbg(udev, "will wait %i sec for '%s'\n", timeout, file); - while (--loop) { - const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND }; - - /* lookup file */ - if (stat(file, &stats) == 0) { - info(udev, "file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1); - return 0; - } - /* make sure, the device did not disappear in the meantime */ - if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) { - info(udev, "device disappeared while waiting for '%s'\n", file); - return -2; - } - info(udev, "wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND); - nanosleep(&duration, NULL); - } - info(udev, "waiting for '%s' failed\n", file); - return -1; + struct udev *udev = udev_device_get_udev(dev); + char filepath[UTIL_PATH_SIZE]; + char devicepath[UTIL_PATH_SIZE]; + struct stat stats; + int loop = timeout * WAIT_LOOP_PER_SECOND; + + /* a relative path is a device attribute */ + devicepath[0] = '\0'; + if (file[0] != '/') { + util_strscpyl(devicepath, sizeof(devicepath), + udev_get_sys_path(udev), udev_device_get_devpath(dev), NULL); + util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL); + file = filepath; + } + + dbg(udev, "will wait %i sec for '%s'\n", timeout, file); + while (--loop) { + const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND }; + + /* lookup file */ + if (stat(file, &stats) == 0) { + info(udev, "file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1); + return 0; + } + /* make sure, the device did not disappear in the meantime */ + if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) { + info(udev, "device disappeared while waiting for '%s'\n", file); + return -2; + } + info(udev, "wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND); + nanosleep(&duration, NULL); + } + info(udev, "waiting for '%s' failed\n", file); + return -1; } static int attr_subst_subdir(char *attr, size_t len) { - bool found = false; - - if (strstr(attr, "/*/")) { - char *pos; - char dirname[UTIL_PATH_SIZE]; - const char *tail; - DIR *dir; - - util_strscpy(dirname, sizeof(dirname), attr); - pos = strstr(dirname, "/*/"); - if (pos == NULL) - return -1; - pos[0] = '\0'; - tail = &pos[2]; - dir = opendir(dirname); - if (dir != NULL) { - struct dirent *dent; - - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - struct stat stats; - - if (dent->d_name[0] == '.') - continue; - util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL); - if (stat(attr, &stats) == 0) { - found = true; - break; - } - } - closedir(dir); - } - } - - return found; + bool found = false; + + if (strstr(attr, "/*/")) { + char *pos; + char dirname[UTIL_PATH_SIZE]; + const char *tail; + DIR *dir; + + util_strscpy(dirname, sizeof(dirname), attr); + pos = strstr(dirname, "/*/"); + if (pos == NULL) + return -1; + pos[0] = '\0'; + tail = &pos[2]; + dir = opendir(dirname); + if (dir != NULL) { + struct dirent *dent; + + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + struct stat stats; + + if (dent->d_name[0] == '.') + continue; + util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL); + if (stat(attr, &stats) == 0) { + found = true; + break; + } + } + closedir(dir); + } + } + + return found; } static int get_key(struct udev *udev, char **line, char **key, enum operation_type *op, char **value) { - char *linepos; - char *temp; - - linepos = *line; - if (linepos == NULL || linepos[0] == '\0') - return -1; - - /* skip whitespace */ - while (isspace(linepos[0]) || linepos[0] == ',') - linepos++; - - /* get the key */ - if (linepos[0] == '\0') - return -1; - *key = linepos; - - for (;;) { - linepos++; - if (linepos[0] == '\0') - return -1; - if (isspace(linepos[0])) - break; - if (linepos[0] == '=') - break; - if ((linepos[0] == '+') || (linepos[0] == '!') || (linepos[0] == ':')) - if (linepos[1] == '=') - break; - } - - /* remember end of key */ - temp = linepos; - - /* skip whitespace after key */ - while (isspace(linepos[0])) - linepos++; - if (linepos[0] == '\0') - return -1; - - /* get operation type */ - if (linepos[0] == '=' && linepos[1] == '=') { - *op = OP_MATCH; - linepos += 2; - } else if (linepos[0] == '!' && linepos[1] == '=') { - *op = OP_NOMATCH; - linepos += 2; - } else if (linepos[0] == '+' && linepos[1] == '=') { - *op = OP_ADD; - linepos += 2; - } else if (linepos[0] == '=') { - *op = OP_ASSIGN; - linepos++; - } else if (linepos[0] == ':' && linepos[1] == '=') { - *op = OP_ASSIGN_FINAL; - linepos += 2; - } else - return -1; - - /* terminate key */ - temp[0] = '\0'; - - /* skip whitespace after operator */ - while (isspace(linepos[0])) - linepos++; - if (linepos[0] == '\0') - return -1; - - /* get the value */ - if (linepos[0] == '"') - linepos++; - else - return -1; - *value = linepos; - - /* terminate */ - temp = strchr(linepos, '"'); - if (!temp) - return -1; - temp[0] = '\0'; - temp++; - dbg(udev, "%s '%s'-'%s'\n", operation_str(*op), *key, *value); - - /* move line to next key */ - *line = temp; - return 0; + char *linepos; + char *temp; + + linepos = *line; + if (linepos == NULL || linepos[0] == '\0') + return -1; + + /* skip whitespace */ + while (isspace(linepos[0]) || linepos[0] == ',') + linepos++; + + /* get the key */ + if (linepos[0] == '\0') + return -1; + *key = linepos; + + for (;;) { + linepos++; + if (linepos[0] == '\0') + return -1; + if (isspace(linepos[0])) + break; + if (linepos[0] == '=') + break; + if ((linepos[0] == '+') || (linepos[0] == '!') || (linepos[0] == ':')) + if (linepos[1] == '=') + break; + } + + /* remember end of key */ + temp = linepos; + + /* skip whitespace after key */ + while (isspace(linepos[0])) + linepos++; + if (linepos[0] == '\0') + return -1; + + /* get operation type */ + if (linepos[0] == '=' && linepos[1] == '=') { + *op = OP_MATCH; + linepos += 2; + } else if (linepos[0] == '!' && linepos[1] == '=') { + *op = OP_NOMATCH; + linepos += 2; + } else if (linepos[0] == '+' && linepos[1] == '=') { + *op = OP_ADD; + linepos += 2; + } else if (linepos[0] == '=') { + *op = OP_ASSIGN; + linepos++; + } else if (linepos[0] == ':' && linepos[1] == '=') { + *op = OP_ASSIGN_FINAL; + linepos += 2; + } else + return -1; + + /* terminate key */ + temp[0] = '\0'; + + /* skip whitespace after operator */ + while (isspace(linepos[0])) + linepos++; + if (linepos[0] == '\0') + return -1; + + /* get the value */ + if (linepos[0] == '"') + linepos++; + else + return -1; + *value = linepos; + + /* terminate */ + temp = strchr(linepos, '"'); + if (!temp) + return -1; + temp[0] = '\0'; + temp++; + dbg(udev, "%s '%s'-'%s'\n", operation_str(*op), *key, *value); + + /* move line to next key */ + *line = temp; + return 0; } /* extract possible KEY{attr} */ static char *get_key_attribute(struct udev *udev, char *str) { - char *pos; - char *attr; - - attr = strchr(str, '{'); - if (attr != NULL) { - attr++; - pos = strchr(attr, '}'); - if (pos == NULL) { - err(udev, "missing closing brace for format\n"); - return NULL; - } - pos[0] = '\0'; - dbg(udev, "attribute='%s'\n", attr); - return attr; - } - return NULL; + char *pos; + char *attr; + + attr = strchr(str, '{'); + if (attr != NULL) { + attr++; + pos = strchr(attr, '}'); + if (pos == NULL) { + err(udev, "missing closing brace for format\n"); + return NULL; + } + pos[0] = '\0'; + dbg(udev, "attribute='%s'\n", attr); + return attr; + } + return NULL; } static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type, - enum operation_type op, - const char *value, const void *data) + enum operation_type op, + const char *value, const void *data) { - struct token *token = &rule_tmp->token[rule_tmp->token_cur]; - const char *attr = NULL; - - memset(token, 0x00, sizeof(struct token)); - - switch (type) { - case TK_M_ACTION: - case TK_M_DEVPATH: - case TK_M_KERNEL: - case TK_M_SUBSYSTEM: - case TK_M_DRIVER: - case TK_M_WAITFOR: - case TK_M_DEVLINK: - case TK_M_NAME: - case TK_M_KERNELS: - case TK_M_SUBSYSTEMS: - case TK_M_DRIVERS: - case TK_M_TAGS: - case TK_M_PROGRAM: - case TK_M_IMPORT_FILE: - case TK_M_IMPORT_PROG: - case TK_M_IMPORT_DB: - case TK_M_IMPORT_CMDLINE: - case TK_M_IMPORT_PARENT: - case TK_M_RESULT: - case TK_A_OWNER: - case TK_A_GROUP: - case TK_A_MODE: - case TK_A_NAME: - case TK_A_GOTO: - case TK_M_TAG: - case TK_A_TAG: - token->key.value_off = add_string(rule_tmp->rules, value); - break; - case TK_M_IMPORT_BUILTIN: - token->key.value_off = add_string(rule_tmp->rules, value); - token->key.builtin_cmd = *(enum udev_builtin_cmd *)data; - break; - case TK_M_ENV: - case TK_M_ATTR: - case TK_M_ATTRS: - case TK_A_ATTR: - case TK_A_ENV: - attr = data; - token->key.value_off = add_string(rule_tmp->rules, value); - token->key.attr_off = add_string(rule_tmp->rules, attr); - break; - case TK_A_DEVLINK: - token->key.value_off = add_string(rule_tmp->rules, value); - token->key.devlink_unique = *(int *)data; - break; - case TK_M_TEST: - token->key.value_off = add_string(rule_tmp->rules, value); - if (data != NULL) - token->key.mode = *(mode_t *)data; - break; - case TK_A_STRING_ESCAPE_NONE: - case TK_A_STRING_ESCAPE_REPLACE: - case TK_A_DB_PERSIST: - break; - case TK_A_RUN: - token->key.value_off = add_string(rule_tmp->rules, value); - break; - case TK_A_INOTIFY_WATCH: - case TK_A_DEVLINK_PRIO: - token->key.devlink_prio = *(int *)data; - break; - case TK_A_OWNER_ID: - token->key.uid = *(uid_t *)data; - break; - case TK_A_GROUP_ID: - token->key.gid = *(gid_t *)data; - break; - case TK_A_MODE_ID: - token->key.mode = *(mode_t *)data; - break; - case TK_A_STATIC_NODE: - token->key.value_off = add_string(rule_tmp->rules, value); - break; - case TK_M_EVENT_TIMEOUT: - token->key.event_timeout = *(int *)data; - break; - case TK_RULE: - case TK_M_PARENTS_MIN: - case TK_M_PARENTS_MAX: - case TK_M_MAX: - case TK_END: - case TK_UNSET: - err(rule_tmp->rules->udev, "wrong type %u\n", type); - return -1; - } - - if (value != NULL && type < TK_M_MAX) { - /* check if we need to split or call fnmatch() while matching rules */ - enum string_glob_type glob; - int has_split; - int has_glob; - - has_split = (strchr(value, '|') != NULL); - has_glob = (strchr(value, '*') != NULL || strchr(value, '?') != NULL || strchr(value, '[') != NULL); - if (has_split && has_glob) { - glob = GL_SPLIT_GLOB; - } else if (has_split) { - glob = GL_SPLIT; - } else if (has_glob) { - if (strcmp(value, "?*") == 0) - glob = GL_SOMETHING; - else - glob = GL_GLOB; - } else { - glob = GL_PLAIN; - } - token->key.glob = glob; - } - - if (value != NULL && type > TK_M_MAX) { - /* check if assigned value has substitution chars */ - if (value[0] == '[') - token->key.subst = SB_SUBSYS; - else if (strchr(value, '%') != NULL || strchr(value, '$') != NULL) - token->key.subst = SB_FORMAT; - else - token->key.subst = SB_NONE; - } - - if (attr != NULL) { - /* check if property/attribut name has substitution chars */ - if (attr[0] == '[') - token->key.attrsubst = SB_SUBSYS; - else if (strchr(attr, '%') != NULL || strchr(attr, '$') != NULL) - token->key.attrsubst = SB_FORMAT; - else - token->key.attrsubst = SB_NONE; - } - - token->key.type = type; - token->key.op = op; - rule_tmp->token_cur++; - if (rule_tmp->token_cur >= ARRAY_SIZE(rule_tmp->token)) { - err(rule_tmp->rules->udev, "temporary rule array too small\n"); - return -1; - } - return 0; + struct token *token = &rule_tmp->token[rule_tmp->token_cur]; + const char *attr = NULL; + + memset(token, 0x00, sizeof(struct token)); + + switch (type) { + case TK_M_ACTION: + case TK_M_DEVPATH: + case TK_M_KERNEL: + case TK_M_SUBSYSTEM: + case TK_M_DRIVER: + case TK_M_WAITFOR: + case TK_M_DEVLINK: + case TK_M_NAME: + case TK_M_KERNELS: + case TK_M_SUBSYSTEMS: + case TK_M_DRIVERS: + case TK_M_TAGS: + case TK_M_PROGRAM: + case TK_M_IMPORT_FILE: + case TK_M_IMPORT_PROG: + case TK_M_IMPORT_DB: + case TK_M_IMPORT_CMDLINE: + case TK_M_IMPORT_PARENT: + case TK_M_RESULT: + case TK_A_OWNER: + case TK_A_GROUP: + case TK_A_MODE: + case TK_A_NAME: + case TK_A_GOTO: + case TK_M_TAG: + case TK_A_TAG: + token->key.value_off = add_string(rule_tmp->rules, value); + break; + case TK_M_IMPORT_BUILTIN: + token->key.value_off = add_string(rule_tmp->rules, value); + token->key.builtin_cmd = *(enum udev_builtin_cmd *)data; + break; + case TK_M_ENV: + case TK_M_ATTR: + case TK_M_ATTRS: + case TK_A_ATTR: + case TK_A_ENV: + attr = data; + token->key.value_off = add_string(rule_tmp->rules, value); + token->key.attr_off = add_string(rule_tmp->rules, attr); + break; + case TK_A_DEVLINK: + token->key.value_off = add_string(rule_tmp->rules, value); + token->key.devlink_unique = *(int *)data; + break; + case TK_M_TEST: + token->key.value_off = add_string(rule_tmp->rules, value); + if (data != NULL) + token->key.mode = *(mode_t *)data; + break; + case TK_A_STRING_ESCAPE_NONE: + case TK_A_STRING_ESCAPE_REPLACE: + case TK_A_DB_PERSIST: + break; + case TK_A_RUN: + token->key.value_off = add_string(rule_tmp->rules, value); + break; + case TK_A_INOTIFY_WATCH: + case TK_A_DEVLINK_PRIO: + token->key.devlink_prio = *(int *)data; + break; + case TK_A_OWNER_ID: + token->key.uid = *(uid_t *)data; + break; + case TK_A_GROUP_ID: + token->key.gid = *(gid_t *)data; + break; + case TK_A_MODE_ID: + token->key.mode = *(mode_t *)data; + break; + case TK_A_STATIC_NODE: + token->key.value_off = add_string(rule_tmp->rules, value); + break; + case TK_M_EVENT_TIMEOUT: + token->key.event_timeout = *(int *)data; + break; + case TK_RULE: + case TK_M_PARENTS_MIN: + case TK_M_PARENTS_MAX: + case TK_M_MAX: + case TK_END: + case TK_UNSET: + err(rule_tmp->rules->udev, "wrong type %u\n", type); + return -1; + } + + if (value != NULL && type < TK_M_MAX) { + /* check if we need to split or call fnmatch() while matching rules */ + enum string_glob_type glob; + int has_split; + int has_glob; + + has_split = (strchr(value, '|') != NULL); + has_glob = (strchr(value, '*') != NULL || strchr(value, '?') != NULL || strchr(value, '[') != NULL); + if (has_split && has_glob) { + glob = GL_SPLIT_GLOB; + } else if (has_split) { + glob = GL_SPLIT; + } else if (has_glob) { + if (strcmp(value, "?*") == 0) + glob = GL_SOMETHING; + else + glob = GL_GLOB; + } else { + glob = GL_PLAIN; + } + token->key.glob = glob; + } + + if (value != NULL && type > TK_M_MAX) { + /* check if assigned value has substitution chars */ + if (value[0] == '[') + token->key.subst = SB_SUBSYS; + else if (strchr(value, '%') != NULL || strchr(value, '$') != NULL) + token->key.subst = SB_FORMAT; + else + token->key.subst = SB_NONE; + } + + if (attr != NULL) { + /* check if property/attribut name has substitution chars */ + if (attr[0] == '[') + token->key.attrsubst = SB_SUBSYS; + else if (strchr(attr, '%') != NULL || strchr(attr, '$') != NULL) + token->key.attrsubst = SB_FORMAT; + else + token->key.attrsubst = SB_NONE; + } + + token->key.type = type; + token->key.op = op; + rule_tmp->token_cur++; + if (rule_tmp->token_cur >= ARRAY_SIZE(rule_tmp->token)) { + err(rule_tmp->rules->udev, "temporary rule array too small\n"); + return -1; + } + return 0; } static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp) { - unsigned int i; - unsigned int start = 0; - unsigned int end = rule_tmp->token_cur; - - for (i = 0; i < rule_tmp->token_cur; i++) { - enum token_type next_val = TK_UNSET; - unsigned int next_idx = 0; - unsigned int j; - - /* find smallest value */ - for (j = start; j < end; j++) { - if (rule_tmp->token[j].type == TK_UNSET) - continue; - if (next_val == TK_UNSET || rule_tmp->token[j].type < next_val) { - next_val = rule_tmp->token[j].type; - next_idx = j; - } - } - - /* add token and mark done */ - if (add_token(rules, &rule_tmp->token[next_idx]) != 0) - return -1; - rule_tmp->token[next_idx].type = TK_UNSET; - - /* shrink range */ - if (next_idx == start) - start++; - if (next_idx+1 == end) - end--; - } - return 0; + unsigned int i; + unsigned int start = 0; + unsigned int end = rule_tmp->token_cur; + + for (i = 0; i < rule_tmp->token_cur; i++) { + enum token_type next_val = TK_UNSET; + unsigned int next_idx = 0; + unsigned int j; + + /* find smallest value */ + for (j = start; j < end; j++) { + if (rule_tmp->token[j].type == TK_UNSET) + continue; + if (next_val == TK_UNSET || rule_tmp->token[j].type < next_val) { + next_val = rule_tmp->token[j].type; + next_idx = j; + } + } + + /* add token and mark done */ + if (add_token(rules, &rule_tmp->token[next_idx]) != 0) + return -1; + rule_tmp->token[next_idx].type = TK_UNSET; + + /* shrink range */ + if (next_idx == start) + start++; + if (next_idx+1 == end) + end--; + } + return 0; } static int add_rule(struct udev_rules *rules, char *line, - const char *filename, unsigned int filename_off, unsigned int lineno) + const char *filename, unsigned int filename_off, unsigned int lineno) { - char *linepos; - char *attr; - struct rule_tmp rule_tmp; - - memset(&rule_tmp, 0x00, sizeof(struct rule_tmp)); - rule_tmp.rules = rules; - rule_tmp.rule.type = TK_RULE; - rule_tmp.rule.rule.filename_off = filename_off; - rule_tmp.rule.rule.filename_line = lineno; - - linepos = line; - for (;;) { - char *key; - char *value; - enum operation_type op; - - if (get_key(rules->udev, &linepos, &key, &op, &value) != 0) - break; - - if (strcmp(key, "ACTION") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid ACTION operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL); - continue; - } - - if (strcmp(key, "DEVPATH") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid DEVPATH operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL); - continue; - } - - if (strcmp(key, "KERNEL") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid KERNEL operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL); - continue; - } - - if (strcmp(key, "SUBSYSTEM") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid SUBSYSTEM operation\n"); - goto invalid; - } - /* bus, class, subsystem events should all be the same */ - if (strcmp(value, "subsystem") == 0 || - strcmp(value, "bus") == 0 || - strcmp(value, "class") == 0) { - if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0) - err(rules->udev, "'%s' must be specified as 'subsystem' \n" - "please fix it in %s:%u", value, filename, lineno); - rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL); - } else - rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, value, NULL); - continue; - } - - if (strcmp(key, "DRIVER") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid DRIVER operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL); - continue; - } - - if (strncmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) { - attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1); - if (attr == NULL) { - err(rules->udev, "error parsing ATTR attribute\n"); - goto invalid; - } - if (op < OP_MATCH_MAX) { - rule_add_key(&rule_tmp, TK_M_ATTR, op, value, attr); - } else { - rule_add_key(&rule_tmp, TK_A_ATTR, op, value, attr); - } - continue; - } - - if (strcmp(key, "KERNELS") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid KERNELS operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL); - continue; - } - - if (strcmp(key, "SUBSYSTEMS") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid SUBSYSTEMS operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL); - continue; - } - - if (strcmp(key, "DRIVERS") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid DRIVERS operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL); - continue; - } - - if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid ATTRS operation\n"); - goto invalid; - } - attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1); - if (attr == NULL) { - err(rules->udev, "error parsing ATTRS attribute\n"); - goto invalid; - } - if (strncmp(attr, "device/", 7) == 0) - err(rules->udev, "the 'device' link may not be available in a future kernel, " - "please fix it in %s:%u", filename, lineno); - else if (strstr(attr, "../") != NULL) - err(rules->udev, "do not reference parent sysfs directories directly, " - "it may break with a future kernel, please fix it in %s:%u", filename, lineno); - rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr); - continue; - } - - if (strcmp(key, "TAGS") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid TAGS operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL); - continue; - } - - if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) { - attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1); - if (attr == NULL) { - err(rules->udev, "error parsing ENV attribute\n"); - goto invalid; - } - if (op < OP_MATCH_MAX) { - if (rule_add_key(&rule_tmp, TK_M_ENV, op, value, attr) != 0) - goto invalid; - } else { - static const char *blacklist[] = { - "ACTION", - "SUBSYSTEM", - "DEVTYPE", - "MAJOR", - "MINOR", - "DRIVER", - "IFINDEX", - "DEVNAME", - "DEVLINKS", - "DEVPATH", - "TAGS", - }; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(blacklist); i++) - if (strcmp(attr, blacklist[i]) == 0) { - err(rules->udev, "invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno); - continue; - } - if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0) - goto invalid; - } - continue; - } - - if (strcmp(key, "TAG") == 0) { - if (op < OP_MATCH_MAX) - rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL); - else - rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL); - continue; - } - - if (strcmp(key, "PROGRAM") == 0) { - rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL); - continue; - } - - if (strcmp(key, "RESULT") == 0) { - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid RESULT operation\n"); - goto invalid; - } - rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL); - continue; - } - - if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) { - attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1); - if (attr == NULL) { - err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno); - continue; - } - if (strstr(attr, "program")) { - /* find known built-in command */ - if (value[0] != '/') { - enum udev_builtin_cmd cmd; - - cmd = udev_builtin_lookup(value); - if (cmd < UDEV_BUILTIN_MAX) { - info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n", - value, filename, lineno); - rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd); - continue; - } - } - dbg(rules->udev, "IMPORT will be executed\n"); - rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL); - } else if (strstr(attr, "builtin")) { - enum udev_builtin_cmd cmd = udev_builtin_lookup(value); - - dbg(rules->udev, "IMPORT execute builtin\n"); - if (cmd < UDEV_BUILTIN_MAX) - rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd); - else - err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno); - } else if (strstr(attr, "file")) { - dbg(rules->udev, "IMPORT will be included as file\n"); - rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL); - } else if (strstr(attr, "db")) { - dbg(rules->udev, "IMPORT will include db values\n"); - rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL); - } else if (strstr(attr, "cmdline")) { - dbg(rules->udev, "IMPORT will include db values\n"); - rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL); - } else if (strstr(attr, "parent")) { - dbg(rules->udev, "IMPORT will include the parent values\n"); - rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL); - } - continue; - } - - if (strncmp(key, "TEST", sizeof("TEST")-1) == 0) { - mode_t mode = 0; - - if (op > OP_MATCH_MAX) { - err(rules->udev, "invalid TEST operation\n"); - goto invalid; - } - attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1); - if (attr != NULL) { - mode = strtol(attr, NULL, 8); - rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode); - } else { - rule_add_key(&rule_tmp, TK_M_TEST, op, value, NULL); - } - continue; - } - - if (strcmp(key, "RUN") == 0) { - rule_add_key(&rule_tmp, TK_A_RUN, op, value, NULL); - continue; - } - - if (strcmp(key, "WAIT_FOR") == 0 || strcmp(key, "WAIT_FOR_SYSFS") == 0) { - rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL); - continue; - } - - if (strcmp(key, "LABEL") == 0) { - rule_tmp.rule.rule.label_off = add_string(rules, value); - continue; - } - - if (strcmp(key, "GOTO") == 0) { - rule_add_key(&rule_tmp, TK_A_GOTO, 0, value, NULL); - continue; - } - - if (strncmp(key, "NAME", sizeof("NAME")-1) == 0) { - if (op < OP_MATCH_MAX) { - rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL); - } else { - if (strcmp(value, "%k") == 0) { - err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, " - "please remove it from %s:%u\n", filename, lineno); - continue; - } - if (value[0] == '\0') { - info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, " - "please remove it from %s:%u\n", filename, lineno); - continue; - } - rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL); - } - rule_tmp.rule.rule.can_set_name = true; - continue; - } - - if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) { - if (op < OP_MATCH_MAX) { - rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL); - } else { - int flag = 0; - - attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1); - if (attr != NULL && strstr(attr, "unique") != NULL) - flag = 1; - rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag); - } - rule_tmp.rule.rule.can_set_name = true; - continue; - } - - if (strcmp(key, "OWNER") == 0) { - uid_t uid; - char *endptr; - - uid = strtoul(value, &endptr, 10); - if (endptr[0] == '\0') { - rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid); - } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) { - uid = add_uid(rules, value); - rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid); - } else if (rules->resolve_names >= 0) { - rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL); - } - rule_tmp.rule.rule.can_set_name = true; - continue; - } - - if (strcmp(key, "GROUP") == 0) { - gid_t gid; - char *endptr; - - gid = strtoul(value, &endptr, 10); - if (endptr[0] == '\0') { - rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid); - } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) { - gid = add_gid(rules, value); - rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid); - } else if (rules->resolve_names >= 0) { - rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL); - } - rule_tmp.rule.rule.can_set_name = true; - continue; - } - - if (strcmp(key, "MODE") == 0) { - mode_t mode; - char *endptr; - - mode = strtol(value, &endptr, 8); - if (endptr[0] == '\0') - rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode); - else - rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL); - rule_tmp.rule.rule.can_set_name = true; - continue; - } - - if (strcmp(key, "OPTIONS") == 0) { - const char *pos; - - pos = strstr(value, "link_priority="); - if (pos != NULL) { - int prio = atoi(&pos[strlen("link_priority=")]); - - rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio); - dbg(rules->udev, "link priority=%i\n", prio); - } - - pos = strstr(value, "event_timeout="); - if (pos != NULL) { - int tout = atoi(&pos[strlen("event_timeout=")]); - - rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout); - dbg(rules->udev, "event timeout=%i\n", tout); - } - - pos = strstr(value, "string_escape="); - if (pos != NULL) { - pos = &pos[strlen("string_escape=")]; - if (strncmp(pos, "none", strlen("none")) == 0) - rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL); - else if (strncmp(pos, "replace", strlen("replace")) == 0) - rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL); - } - - pos = strstr(value, "db_persist"); - if (pos != NULL) - rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL); - - pos = strstr(value, "nowatch"); - if (pos != NULL) { - const int off = 0; - - rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off); - dbg(rules->udev, "inotify watch of device disabled\n"); - } else { - pos = strstr(value, "watch"); - if (pos != NULL) { - const int on = 1; - - rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on); - dbg(rules->udev, "inotify watch of device requested\n"); - } - } - - pos = strstr(value, "static_node="); - if (pos != NULL) { - rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL); - rule_tmp.rule.rule.has_static_node = true; - } - - continue; - } - - err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno); - goto invalid; - } - - /* add rule token */ - rule_tmp.rule.rule.token_count = 1 + rule_tmp.token_cur; - if (add_token(rules, &rule_tmp.rule) != 0) - goto invalid; - - /* add tokens to list, sorted by type */ - if (sort_token(rules, &rule_tmp) != 0) - goto invalid; - - return 0; + char *linepos; + char *attr; + struct rule_tmp rule_tmp; + + memset(&rule_tmp, 0x00, sizeof(struct rule_tmp)); + rule_tmp.rules = rules; + rule_tmp.rule.type = TK_RULE; + rule_tmp.rule.rule.filename_off = filename_off; + rule_tmp.rule.rule.filename_line = lineno; + + linepos = line; + for (;;) { + char *key; + char *value; + enum operation_type op; + + if (get_key(rules->udev, &linepos, &key, &op, &value) != 0) + break; + + if (strcmp(key, "ACTION") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid ACTION operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL); + continue; + } + + if (strcmp(key, "DEVPATH") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid DEVPATH operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL); + continue; + } + + if (strcmp(key, "KERNEL") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid KERNEL operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL); + continue; + } + + if (strcmp(key, "SUBSYSTEM") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid SUBSYSTEM operation\n"); + goto invalid; + } + /* bus, class, subsystem events should all be the same */ + if (strcmp(value, "subsystem") == 0 || + strcmp(value, "bus") == 0 || + strcmp(value, "class") == 0) { + if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0) + err(rules->udev, "'%s' must be specified as 'subsystem' \n" + "please fix it in %s:%u", value, filename, lineno); + rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL); + } else + rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, value, NULL); + continue; + } + + if (strcmp(key, "DRIVER") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid DRIVER operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL); + continue; + } + + if (strncmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) { + attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1); + if (attr == NULL) { + err(rules->udev, "error parsing ATTR attribute\n"); + goto invalid; + } + if (op < OP_MATCH_MAX) { + rule_add_key(&rule_tmp, TK_M_ATTR, op, value, attr); + } else { + rule_add_key(&rule_tmp, TK_A_ATTR, op, value, attr); + } + continue; + } + + if (strcmp(key, "KERNELS") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid KERNELS operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL); + continue; + } + + if (strcmp(key, "SUBSYSTEMS") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid SUBSYSTEMS operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL); + continue; + } + + if (strcmp(key, "DRIVERS") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid DRIVERS operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL); + continue; + } + + if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid ATTRS operation\n"); + goto invalid; + } + attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1); + if (attr == NULL) { + err(rules->udev, "error parsing ATTRS attribute\n"); + goto invalid; + } + if (strncmp(attr, "device/", 7) == 0) + err(rules->udev, "the 'device' link may not be available in a future kernel, " + "please fix it in %s:%u", filename, lineno); + else if (strstr(attr, "../") != NULL) + err(rules->udev, "do not reference parent sysfs directories directly, " + "it may break with a future kernel, please fix it in %s:%u", filename, lineno); + rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr); + continue; + } + + if (strcmp(key, "TAGS") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid TAGS operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL); + continue; + } + + if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) { + attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1); + if (attr == NULL) { + err(rules->udev, "error parsing ENV attribute\n"); + goto invalid; + } + if (op < OP_MATCH_MAX) { + if (rule_add_key(&rule_tmp, TK_M_ENV, op, value, attr) != 0) + goto invalid; + } else { + static const char *blacklist[] = { + "ACTION", + "SUBSYSTEM", + "DEVTYPE", + "MAJOR", + "MINOR", + "DRIVER", + "IFINDEX", + "DEVNAME", + "DEVLINKS", + "DEVPATH", + "TAGS", + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(blacklist); i++) + if (strcmp(attr, blacklist[i]) == 0) { + err(rules->udev, "invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno); + continue; + } + if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0) + goto invalid; + } + continue; + } + + if (strcmp(key, "TAG") == 0) { + if (op < OP_MATCH_MAX) + rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL); + else + rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL); + continue; + } + + if (strcmp(key, "PROGRAM") == 0) { + rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL); + continue; + } + + if (strcmp(key, "RESULT") == 0) { + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid RESULT operation\n"); + goto invalid; + } + rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL); + continue; + } + + if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) { + attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1); + if (attr == NULL) { + err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno); + continue; + } + if (strstr(attr, "program")) { + /* find known built-in command */ + if (value[0] != '/') { + enum udev_builtin_cmd cmd; + + cmd = udev_builtin_lookup(value); + if (cmd < UDEV_BUILTIN_MAX) { + info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n", + value, filename, lineno); + rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd); + continue; + } + } + dbg(rules->udev, "IMPORT will be executed\n"); + rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL); + } else if (strstr(attr, "builtin")) { + enum udev_builtin_cmd cmd = udev_builtin_lookup(value); + + dbg(rules->udev, "IMPORT execute builtin\n"); + if (cmd < UDEV_BUILTIN_MAX) + rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd); + else + err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno); + } else if (strstr(attr, "file")) { + dbg(rules->udev, "IMPORT will be included as file\n"); + rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL); + } else if (strstr(attr, "db")) { + dbg(rules->udev, "IMPORT will include db values\n"); + rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL); + } else if (strstr(attr, "cmdline")) { + dbg(rules->udev, "IMPORT will include db values\n"); + rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL); + } else if (strstr(attr, "parent")) { + dbg(rules->udev, "IMPORT will include the parent values\n"); + rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL); + } + continue; + } + + if (strncmp(key, "TEST", sizeof("TEST")-1) == 0) { + mode_t mode = 0; + + if (op > OP_MATCH_MAX) { + err(rules->udev, "invalid TEST operation\n"); + goto invalid; + } + attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1); + if (attr != NULL) { + mode = strtol(attr, NULL, 8); + rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode); + } else { + rule_add_key(&rule_tmp, TK_M_TEST, op, value, NULL); + } + continue; + } + + if (strcmp(key, "RUN") == 0) { + rule_add_key(&rule_tmp, TK_A_RUN, op, value, NULL); + continue; + } + + if (strcmp(key, "WAIT_FOR") == 0 || strcmp(key, "WAIT_FOR_SYSFS") == 0) { + rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL); + continue; + } + + if (strcmp(key, "LABEL") == 0) { + rule_tmp.rule.rule.label_off = add_string(rules, value); + continue; + } + + if (strcmp(key, "GOTO") == 0) { + rule_add_key(&rule_tmp, TK_A_GOTO, 0, value, NULL); + continue; + } + + if (strncmp(key, "NAME", sizeof("NAME")-1) == 0) { + if (op < OP_MATCH_MAX) { + rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL); + } else { + if (strcmp(value, "%k") == 0) { + err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, " + "please remove it from %s:%u\n", filename, lineno); + continue; + } + if (value[0] == '\0') { + info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, " + "please remove it from %s:%u\n", filename, lineno); + continue; + } + rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL); + } + rule_tmp.rule.rule.can_set_name = true; + continue; + } + + if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) { + if (op < OP_MATCH_MAX) { + rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL); + } else { + int flag = 0; + + attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1); + if (attr != NULL && strstr(attr, "unique") != NULL) + flag = 1; + rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag); + } + rule_tmp.rule.rule.can_set_name = true; + continue; + } + + if (strcmp(key, "OWNER") == 0) { + uid_t uid; + char *endptr; + + uid = strtoul(value, &endptr, 10); + if (endptr[0] == '\0') { + rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid); + } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) { + uid = add_uid(rules, value); + rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid); + } else if (rules->resolve_names >= 0) { + rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL); + } + rule_tmp.rule.rule.can_set_name = true; + continue; + } + + if (strcmp(key, "GROUP") == 0) { + gid_t gid; + char *endptr; + + gid = strtoul(value, &endptr, 10); + if (endptr[0] == '\0') { + rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid); + } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) { + gid = add_gid(rules, value); + rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid); + } else if (rules->resolve_names >= 0) { + rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL); + } + rule_tmp.rule.rule.can_set_name = true; + continue; + } + + if (strcmp(key, "MODE") == 0) { + mode_t mode; + char *endptr; + + mode = strtol(value, &endptr, 8); + if (endptr[0] == '\0') + rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode); + else + rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL); + rule_tmp.rule.rule.can_set_name = true; + continue; + } + + if (strcmp(key, "OPTIONS") == 0) { + const char *pos; + + pos = strstr(value, "link_priority="); + if (pos != NULL) { + int prio = atoi(&pos[strlen("link_priority=")]); + + rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio); + dbg(rules->udev, "link priority=%i\n", prio); + } + + pos = strstr(value, "event_timeout="); + if (pos != NULL) { + int tout = atoi(&pos[strlen("event_timeout=")]); + + rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout); + dbg(rules->udev, "event timeout=%i\n", tout); + } + + pos = strstr(value, "string_escape="); + if (pos != NULL) { + pos = &pos[strlen("string_escape=")]; + if (strncmp(pos, "none", strlen("none")) == 0) + rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL); + else if (strncmp(pos, "replace", strlen("replace")) == 0) + rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL); + } + + pos = strstr(value, "db_persist"); + if (pos != NULL) + rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL); + + pos = strstr(value, "nowatch"); + if (pos != NULL) { + const int off = 0; + + rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off); + dbg(rules->udev, "inotify watch of device disabled\n"); + } else { + pos = strstr(value, "watch"); + if (pos != NULL) { + const int on = 1; + + rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on); + dbg(rules->udev, "inotify watch of device requested\n"); + } + } + + pos = strstr(value, "static_node="); + if (pos != NULL) { + rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL); + rule_tmp.rule.rule.has_static_node = true; + } + + continue; + } + + err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno); + goto invalid; + } + + /* add rule token */ + rule_tmp.rule.rule.token_count = 1 + rule_tmp.token_cur; + if (add_token(rules, &rule_tmp.rule) != 0) + goto invalid; + + /* add tokens to list, sorted by type */ + if (sort_token(rules, &rule_tmp) != 0) + goto invalid; + + return 0; invalid: - err(rules->udev, "invalid rule '%s:%u'\n", filename, lineno); - return -1; + err(rules->udev, "invalid rule '%s:%u'\n", filename, lineno); + return -1; } static int parse_file(struct udev_rules *rules, const char *filename, unsigned short filename_off) { - FILE *f; - unsigned int first_token; - char line[UTIL_LINE_SIZE]; - int line_nr = 0; - unsigned int i; - - info(rules->udev, "reading '%s' as rules file\n", filename); - - f = fopen(filename, "r"); - if (f == NULL) - return -1; - - first_token = rules->token_cur; - - while (fgets(line, sizeof(line), f) != NULL) { - char *key; - size_t len; - - /* skip whitespace */ - line_nr++; - key = line; - while (isspace(key[0])) - key++; - - /* comment */ - if (key[0] == '#') - continue; - - len = strlen(line); - if (len < 3) - continue; - - /* continue reading if backslash+newline is found */ - while (line[len-2] == '\\') { - if (fgets(&line[len-2], (sizeof(line)-len)+2, f) == NULL) - break; - if (strlen(&line[len-2]) < 2) - break; - line_nr++; - len = strlen(line); - } - - if (len+1 >= sizeof(line)) { - err(rules->udev, "line too long '%s':%u, ignored\n", filename, line_nr); - continue; - } - add_rule(rules, key, filename, filename_off, line_nr); - } - fclose(f); - - /* link GOTOs to LABEL rules in this file to be able to fast-forward */ - for (i = first_token+1; i < rules->token_cur; i++) { - if (rules->tokens[i].type == TK_A_GOTO) { - char *label = &rules->buf[rules->tokens[i].key.value_off]; - unsigned int j; - - for (j = i+1; j < rules->token_cur; j++) { - if (rules->tokens[j].type != TK_RULE) - continue; - if (rules->tokens[j].rule.label_off == 0) - continue; - if (strcmp(label, &rules->buf[rules->tokens[j].rule.label_off]) != 0) - continue; - rules->tokens[i].key.rule_goto = j; - break; - } - if (rules->tokens[i].key.rule_goto == 0) - err(rules->udev, "GOTO '%s' has no matching label in: '%s'\n", label, filename); - } - } - return 0; + FILE *f; + unsigned int first_token; + char line[UTIL_LINE_SIZE]; + int line_nr = 0; + unsigned int i; + + info(rules->udev, "reading '%s' as rules file\n", filename); + + f = fopen(filename, "r"); + if (f == NULL) + return -1; + + first_token = rules->token_cur; + + while (fgets(line, sizeof(line), f) != NULL) { + char *key; + size_t len; + + /* skip whitespace */ + line_nr++; + key = line; + while (isspace(key[0])) + key++; + + /* comment */ + if (key[0] == '#') + continue; + + len = strlen(line); + if (len < 3) + continue; + + /* continue reading if backslash+newline is found */ + while (line[len-2] == '\\') { + if (fgets(&line[len-2], (sizeof(line)-len)+2, f) == NULL) + break; + if (strlen(&line[len-2]) < 2) + break; + line_nr++; + len = strlen(line); + } + + if (len+1 >= sizeof(line)) { + err(rules->udev, "line too long '%s':%u, ignored\n", filename, line_nr); + continue; + } + add_rule(rules, key, filename, filename_off, line_nr); + } + fclose(f); + + /* link GOTOs to LABEL rules in this file to be able to fast-forward */ + for (i = first_token+1; i < rules->token_cur; i++) { + if (rules->tokens[i].type == TK_A_GOTO) { + char *label = &rules->buf[rules->tokens[i].key.value_off]; + unsigned int j; + + for (j = i+1; j < rules->token_cur; j++) { + if (rules->tokens[j].type != TK_RULE) + continue; + if (rules->tokens[j].rule.label_off == 0) + continue; + if (strcmp(label, &rules->buf[rules->tokens[j].rule.label_off]) != 0) + continue; + rules->tokens[i].key.rule_goto = j; + break; + } + if (rules->tokens[i].key.rule_goto == 0) + err(rules->udev, "GOTO '%s' has no matching label in: '%s'\n", label, filename); + } + } + return 0; } static int add_matching_files(struct udev *udev, struct udev_list *file_list, const char *dirname, const char *suffix) { - DIR *dir; - struct dirent *dent; - char filename[UTIL_PATH_SIZE]; - - dbg(udev, "open directory '%s'\n", dirname); - dir = opendir(dirname); - if (dir == NULL) { - info(udev, "unable to open '%s': %m\n", dirname); - return -1; - } - - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - if (dent->d_name[0] == '.') - continue; - - /* look for file matching with specified suffix */ - if (suffix != NULL) { - const char *ext; - - ext = strrchr(dent->d_name, '.'); - if (ext == NULL) - continue; - if (strcmp(ext, suffix) != 0) - continue; - } - util_strscpyl(filename, sizeof(filename), dirname, "/", dent->d_name, NULL); - dbg(udev, "put file '%s' into list\n", filename); - /* - * the basename is the key, the filename the value - * identical basenames from different directories overwrite each other - * entries are sorted after basename - */ - udev_list_entry_add(file_list, dent->d_name, filename); - } - - closedir(dir); - return 0; + DIR *dir; + struct dirent *dent; + char filename[UTIL_PATH_SIZE]; + + dbg(udev, "open directory '%s'\n", dirname); + dir = opendir(dirname); + if (dir == NULL) { + info(udev, "unable to open '%s': %m\n", dirname); + return -1; + } + + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + if (dent->d_name[0] == '.') + continue; + + /* look for file matching with specified suffix */ + if (suffix != NULL) { + const char *ext; + + ext = strrchr(dent->d_name, '.'); + if (ext == NULL) + continue; + if (strcmp(ext, suffix) != 0) + continue; + } + util_strscpyl(filename, sizeof(filename), dirname, "/", dent->d_name, NULL); + dbg(udev, "put file '%s' into list\n", filename); + /* + * the basename is the key, the filename the value + * identical basenames from different directories overwrite each other + * entries are sorted after basename + */ + udev_list_entry_add(file_list, dent->d_name, filename); + } + + closedir(dir); + return 0; } struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names) { - struct udev_rules *rules; - struct udev_list file_list; - struct udev_list_entry *file_loop; - struct token end_token; - char **s; - - rules = calloc(1, sizeof(struct udev_rules)); - if (rules == NULL) - return NULL; - rules->udev = udev; - rules->resolve_names = resolve_names; - udev_list_init(udev, &file_list, true); - - /* init token array and string buffer */ - rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token)); - if (rules->tokens == NULL) { - free(rules); - return NULL; - } - rules->token_max = PREALLOC_TOKEN; - - rules->buf = malloc(PREALLOC_STRBUF); - if (rules->buf == NULL) { - free(rules->tokens); - free(rules); - return NULL; - } - rules->buf_max = PREALLOC_STRBUF; - /* offset 0 is always '\0' */ - rules->buf[0] = '\0'; - rules->buf_cur = 1; - dbg(udev, "prealloc %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n", - rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max); - - rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node)); - if (rules->trie_nodes == NULL) { - free(rules->buf); - free(rules->tokens); - free(rules); - return NULL; - } - rules->trie_nodes_max = PREALLOC_TRIE; - /* offset 0 is the trie root, with an empty string */ - memset(rules->trie_nodes, 0x00, sizeof(struct trie_node)); - rules->trie_nodes_cur = 1; - - for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++) - add_matching_files(udev, &file_list, *s, ".rules"); - - /* add all filenames to the string buffer */ - udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) { - const char *filename = udev_list_entry_get_value(file_loop); - unsigned int filename_off; - - filename_off = add_string(rules, filename); - /* the offset in the rule is limited to unsigned short */ - if (filename_off < USHRT_MAX) - udev_list_entry_set_num(file_loop, filename_off); - } - - /* parse all rules files */ - udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) { - const char *filename = udev_list_entry_get_value(file_loop); - unsigned int filename_off = udev_list_entry_get_num(file_loop); - struct stat st; - - if (stat(filename, &st) != 0) { - err(udev, "can not find '%s': %m\n", filename); - continue; - } - if (S_ISREG(st.st_mode) && st.st_size <= 0) { - info(udev, "ignore empty '%s'\n", filename); - continue; - } - if (S_ISCHR(st.st_mode)) { - info(udev, "ignore masked '%s'\n", filename); - continue; - } - parse_file(rules, filename, filename_off); - } - udev_list_cleanup(&file_list); - - memset(&end_token, 0x00, sizeof(struct token)); - end_token.type = TK_END; - add_token(rules, &end_token); - - /* shrink allocated token and string buffer */ - if (rules->token_cur < rules->token_max) { - struct token *tokens; - - tokens = realloc(rules->tokens, rules->token_cur * sizeof(struct token)); - if (tokens != NULL || rules->token_cur == 0) { - rules->tokens = tokens; - rules->token_max = rules->token_cur; - } - } - if (rules->buf_cur < rules->buf_max) { - char *buf; - - buf = realloc(rules->buf, rules->buf_cur); - if (buf != NULL || rules->buf_cur == 0) { - rules->buf = buf; - rules->buf_max = rules->buf_cur; - } - } - info(udev, "rules use %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n", - rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max); - info(udev, "temporary index used %zu bytes (%u * %zu bytes)\n", - rules->trie_nodes_cur * sizeof(struct trie_node), - rules->trie_nodes_cur, sizeof(struct trie_node)); - - /* cleanup trie */ - free(rules->trie_nodes); - rules->trie_nodes = NULL; - rules->trie_nodes_cur = 0; - rules->trie_nodes_max = 0; - - /* cleanup uid/gid cache */ - free(rules->uids); - rules->uids = NULL; - rules->uids_cur = 0; - rules->uids_max = 0; - free(rules->gids); - rules->gids = NULL; - rules->gids_cur = 0; - rules->gids_max = 0; - - dump_rules(rules); - return rules; + struct udev_rules *rules; + struct udev_list file_list; + struct udev_list_entry *file_loop; + struct token end_token; + char **s; + + rules = calloc(1, sizeof(struct udev_rules)); + if (rules == NULL) + return NULL; + rules->udev = udev; + rules->resolve_names = resolve_names; + udev_list_init(udev, &file_list, true); + + /* init token array and string buffer */ + rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token)); + if (rules->tokens == NULL) { + free(rules); + return NULL; + } + rules->token_max = PREALLOC_TOKEN; + + rules->buf = malloc(PREALLOC_STRBUF); + if (rules->buf == NULL) { + free(rules->tokens); + free(rules); + return NULL; + } + rules->buf_max = PREALLOC_STRBUF; + /* offset 0 is always '\0' */ + rules->buf[0] = '\0'; + rules->buf_cur = 1; + dbg(udev, "prealloc %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n", + rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max); + + rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node)); + if (rules->trie_nodes == NULL) { + free(rules->buf); + free(rules->tokens); + free(rules); + return NULL; + } + rules->trie_nodes_max = PREALLOC_TRIE; + /* offset 0 is the trie root, with an empty string */ + memset(rules->trie_nodes, 0x00, sizeof(struct trie_node)); + rules->trie_nodes_cur = 1; + + for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++) + add_matching_files(udev, &file_list, *s, ".rules"); + + /* add all filenames to the string buffer */ + udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) { + const char *filename = udev_list_entry_get_value(file_loop); + unsigned int filename_off; + + filename_off = add_string(rules, filename); + /* the offset in the rule is limited to unsigned short */ + if (filename_off < USHRT_MAX) + udev_list_entry_set_num(file_loop, filename_off); + } + + /* parse all rules files */ + udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) { + const char *filename = udev_list_entry_get_value(file_loop); + unsigned int filename_off = udev_list_entry_get_num(file_loop); + struct stat st; + + if (stat(filename, &st) != 0) { + err(udev, "can not find '%s': %m\n", filename); + continue; + } + if (S_ISREG(st.st_mode) && st.st_size <= 0) { + info(udev, "ignore empty '%s'\n", filename); + continue; + } + if (S_ISCHR(st.st_mode)) { + info(udev, "ignore masked '%s'\n", filename); + continue; + } + parse_file(rules, filename, filename_off); + } + udev_list_cleanup(&file_list); + + memset(&end_token, 0x00, sizeof(struct token)); + end_token.type = TK_END; + add_token(rules, &end_token); + + /* shrink allocated token and string buffer */ + if (rules->token_cur < rules->token_max) { + struct token *tokens; + + tokens = realloc(rules->tokens, rules->token_cur * sizeof(struct token)); + if (tokens != NULL || rules->token_cur == 0) { + rules->tokens = tokens; + rules->token_max = rules->token_cur; + } + } + if (rules->buf_cur < rules->buf_max) { + char *buf; + + buf = realloc(rules->buf, rules->buf_cur); + if (buf != NULL || rules->buf_cur == 0) { + rules->buf = buf; + rules->buf_max = rules->buf_cur; + } + } + info(udev, "rules use %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n", + rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max); + info(udev, "temporary index used %zu bytes (%u * %zu bytes)\n", + rules->trie_nodes_cur * sizeof(struct trie_node), + rules->trie_nodes_cur, sizeof(struct trie_node)); + + /* cleanup trie */ + free(rules->trie_nodes); + rules->trie_nodes = NULL; + rules->trie_nodes_cur = 0; + rules->trie_nodes_max = 0; + + /* cleanup uid/gid cache */ + free(rules->uids); + rules->uids = NULL; + rules->uids_cur = 0; + rules->uids_max = 0; + free(rules->gids); + rules->gids = NULL; + rules->gids_cur = 0; + rules->gids_max = 0; + + dump_rules(rules); + return rules; } struct udev_rules *udev_rules_unref(struct udev_rules *rules) { - if (rules == NULL) - return NULL; - free(rules->tokens); - free(rules->buf); - free(rules->trie_nodes); - free(rules->uids); - free(rules->gids); - free(rules); - return NULL; + if (rules == NULL) + return NULL; + free(rules->tokens); + free(rules->buf); + free(rules->trie_nodes); + free(rules->uids); + free(rules->gids); + free(rules); + return NULL; } static int match_key(struct udev_rules *rules, struct token *token, const char *val) { - char *key_value = &rules->buf[token->key.value_off]; - char *pos; - bool match = false; - - if (val == NULL) - val = ""; - - switch (token->key.glob) { - case GL_PLAIN: - match = (strcmp(key_value, val) == 0); - break; - case GL_GLOB: - match = (fnmatch(key_value, val, 0) == 0); - break; - case GL_SPLIT: - { - const char *split; - size_t len; - - split = &rules->buf[token->key.value_off]; - len = strlen(val); - for (;;) { - const char *next; - - next = strchr(split, '|'); - if (next != NULL) { - size_t matchlen = (size_t)(next - split); - - match = (matchlen == len && strncmp(split, val, matchlen) == 0); - if (match) - break; - } else { - match = (strcmp(split, val) == 0); - break; - } - split = &next[1]; - } - break; - } - case GL_SPLIT_GLOB: - { - char value[UTIL_PATH_SIZE]; - - util_strscpy(value, sizeof(value), &rules->buf[token->key.value_off]); - key_value = value; - while (key_value != NULL) { - pos = strchr(key_value, '|'); - if (pos != NULL) { - pos[0] = '\0'; - pos = &pos[1]; - } - dbg(rules->udev, "match %s '%s' <-> '%s'\n", token_str(token->type), key_value, val); - match = (fnmatch(key_value, val, 0) == 0); - if (match) - break; - key_value = pos; - } - break; - } - case GL_SOMETHING: - match = (val[0] != '\0'); - break; - case GL_UNSET: - return -1; - } - - if (match && (token->key.op == OP_MATCH)) { - dbg(rules->udev, "%s is true (matching value)\n", token_str(token->type)); - return 0; - } - if (!match && (token->key.op == OP_NOMATCH)) { - dbg(rules->udev, "%s is true (non-matching value)\n", token_str(token->type)); - return 0; - } - dbg(rules->udev, "%s is not true\n", token_str(token->type)); - return -1; + char *key_value = &rules->buf[token->key.value_off]; + char *pos; + bool match = false; + + if (val == NULL) + val = ""; + + switch (token->key.glob) { + case GL_PLAIN: + match = (strcmp(key_value, val) == 0); + break; + case GL_GLOB: + match = (fnmatch(key_value, val, 0) == 0); + break; + case GL_SPLIT: + { + const char *split; + size_t len; + + split = &rules->buf[token->key.value_off]; + len = strlen(val); + for (;;) { + const char *next; + + next = strchr(split, '|'); + if (next != NULL) { + size_t matchlen = (size_t)(next - split); + + match = (matchlen == len && strncmp(split, val, matchlen) == 0); + if (match) + break; + } else { + match = (strcmp(split, val) == 0); + break; + } + split = &next[1]; + } + break; + } + case GL_SPLIT_GLOB: + { + char value[UTIL_PATH_SIZE]; + + util_strscpy(value, sizeof(value), &rules->buf[token->key.value_off]); + key_value = value; + while (key_value != NULL) { + pos = strchr(key_value, '|'); + if (pos != NULL) { + pos[0] = '\0'; + pos = &pos[1]; + } + dbg(rules->udev, "match %s '%s' <-> '%s'\n", token_str(token->type), key_value, val); + match = (fnmatch(key_value, val, 0) == 0); + if (match) + break; + key_value = pos; + } + break; + } + case GL_SOMETHING: + match = (val[0] != '\0'); + break; + case GL_UNSET: + return -1; + } + + if (match && (token->key.op == OP_MATCH)) { + dbg(rules->udev, "%s is true (matching value)\n", token_str(token->type)); + return 0; + } + if (!match && (token->key.op == OP_NOMATCH)) { + dbg(rules->udev, "%s is true (non-matching value)\n", token_str(token->type)); + return 0; + } + dbg(rules->udev, "%s is not true\n", token_str(token->type)); + return -1; } static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct udev_event *event, struct token *cur) { - const char *name; - char nbuf[UTIL_NAME_SIZE]; - const char *value; - char vbuf[UTIL_NAME_SIZE]; - size_t len; - - name = &rules->buf[cur->key.attr_off]; - switch (cur->key.attrsubst) { - case SB_FORMAT: - udev_event_apply_format(event, name, nbuf, sizeof(nbuf)); - name = nbuf; - /* fall through */ - case SB_NONE: - value = udev_device_get_sysattr_value(dev, name); - if (value == NULL) - return -1; - break; - case SB_SUBSYS: - if (util_resolve_subsys_kernel(event->udev, name, vbuf, sizeof(vbuf), 1) != 0) - return -1; - value = vbuf; - break; - default: - return -1; - } - - /* remove trailing whitespace, if not asked to match for it */ - len = strlen(value); - if (len > 0 && isspace(value[len-1])) { - const char *key_value; - size_t klen; - - key_value = &rules->buf[cur->key.value_off]; - klen = strlen(key_value); - if (klen > 0 && !isspace(key_value[klen-1])) { - if (value != vbuf) { - util_strscpy(vbuf, sizeof(vbuf), value); - value = vbuf; - } - while (len > 0 && isspace(vbuf[--len])) - vbuf[len] = '\0'; - dbg(rules->udev, "removed trailing whitespace from '%s'\n", value); - } - } - - return match_key(rules, cur, value); + const char *name; + char nbuf[UTIL_NAME_SIZE]; + const char *value; + char vbuf[UTIL_NAME_SIZE]; + size_t len; + + name = &rules->buf[cur->key.attr_off]; + switch (cur->key.attrsubst) { + case SB_FORMAT: + udev_event_apply_format(event, name, nbuf, sizeof(nbuf)); + name = nbuf; + /* fall through */ + case SB_NONE: + value = udev_device_get_sysattr_value(dev, name); + if (value == NULL) + return -1; + break; + case SB_SUBSYS: + if (util_resolve_subsys_kernel(event->udev, name, vbuf, sizeof(vbuf), 1) != 0) + return -1; + value = vbuf; + break; + default: + return -1; + } + + /* remove trailing whitespace, if not asked to match for it */ + len = strlen(value); + if (len > 0 && isspace(value[len-1])) { + const char *key_value; + size_t klen; + + key_value = &rules->buf[cur->key.value_off]; + klen = strlen(key_value); + if (klen > 0 && !isspace(key_value[klen-1])) { + if (value != vbuf) { + util_strscpy(vbuf, sizeof(vbuf), value); + value = vbuf; + } + while (len > 0 && isspace(vbuf[--len])) + vbuf[len] = '\0'; + dbg(rules->udev, "removed trailing whitespace from '%s'\n", value); + } + } + + return match_key(rules, cur, value); } enum escape_type { - ESCAPE_UNSET, - ESCAPE_NONE, - ESCAPE_REPLACE, + ESCAPE_UNSET, + ESCAPE_NONE, + ESCAPE_REPLACE, }; int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask) { - struct token *cur; - struct token *rule; - enum escape_type esc = ESCAPE_UNSET; - bool can_set_name; - - if (rules->tokens == NULL) - return -1; - - can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) && - (major(udev_device_get_devnum(event->dev)) > 0 || - udev_device_get_ifindex(event->dev) > 0)); - - /* loop through token list, match, run actions or forward to next rule */ - cur = &rules->tokens[0]; - rule = cur; - for (;;) { - dump_token(rules, cur); - switch (cur->type) { - case TK_RULE: - /* current rule */ - rule = cur; - /* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */ - if (!can_set_name && rule->rule.can_set_name) - goto nomatch; - esc = ESCAPE_UNSET; - break; - case TK_M_ACTION: - if (match_key(rules, cur, udev_device_get_action(event->dev)) != 0) - goto nomatch; - break; - case TK_M_DEVPATH: - if (match_key(rules, cur, udev_device_get_devpath(event->dev)) != 0) - goto nomatch; - break; - case TK_M_KERNEL: - if (match_key(rules, cur, udev_device_get_sysname(event->dev)) != 0) - goto nomatch; - break; - case TK_M_DEVLINK: { - size_t devlen = strlen(udev_get_dev_path(event->udev))+1; - struct udev_list_entry *list_entry; - bool match = false; - - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) { - const char *devlink; - - devlink = &udev_list_entry_get_name(list_entry)[devlen]; - if (match_key(rules, cur, devlink) == 0) { - match = true; - break; - } - } - if (!match) - goto nomatch; - break; - } - case TK_M_NAME: - if (match_key(rules, cur, event->name) != 0) - goto nomatch; - break; - case TK_M_ENV: { - const char *key_name = &rules->buf[cur->key.attr_off]; - const char *value; - - value = udev_device_get_property_value(event->dev, key_name); - if (value == NULL) { - dbg(event->udev, "ENV{%s} is not set, treat as empty\n", key_name); - value = ""; - } - if (match_key(rules, cur, value)) - goto nomatch; - break; - } - case TK_M_TAG: { - struct udev_list_entry *list_entry; - bool match = false; - - udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) { - if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) { - match = true; - break; - } - } - if (!match && (cur->key.op != OP_NOMATCH)) - goto nomatch; - break; - } - case TK_M_SUBSYSTEM: - if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0) - goto nomatch; - break; - case TK_M_DRIVER: - if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0) - goto nomatch; - break; - case TK_M_WAITFOR: { - char filename[UTIL_PATH_SIZE]; - int found; - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename)); - found = (wait_for_file(event->dev, filename, 10) == 0); - if (!found && (cur->key.op != OP_NOMATCH)) - goto nomatch; - break; - } - case TK_M_ATTR: - if (match_attr(rules, event->dev, event, cur) != 0) - goto nomatch; - break; - case TK_M_KERNELS: - case TK_M_SUBSYSTEMS: - case TK_M_DRIVERS: - case TK_M_ATTRS: - case TK_M_TAGS: { - struct token *next; - - /* get whole sequence of parent matches */ - next = cur; - while (next->type > TK_M_PARENTS_MIN && next->type < TK_M_PARENTS_MAX) - next++; - - /* loop over parents */ - event->dev_parent = event->dev; - for (;;) { - struct token *key; - - dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent)); - /* loop over sequence of parent match keys */ - for (key = cur; key < next; key++ ) { - dump_token(rules, key); - switch(key->type) { - case TK_M_KERNELS: - if (match_key(rules, key, udev_device_get_sysname(event->dev_parent)) != 0) - goto try_parent; - break; - case TK_M_SUBSYSTEMS: - if (match_key(rules, key, udev_device_get_subsystem(event->dev_parent)) != 0) - goto try_parent; - break; - case TK_M_DRIVERS: - if (match_key(rules, key, udev_device_get_driver(event->dev_parent)) != 0) - goto try_parent; - break; - case TK_M_ATTRS: - if (match_attr(rules, event->dev_parent, event, key) != 0) - goto try_parent; - break; - case TK_M_TAGS: { - bool match = udev_device_has_tag(event->dev_parent, &rules->buf[cur->key.value_off]); - - if (match && key->key.op == OP_NOMATCH) - goto try_parent; - if (!match && key->key.op == OP_MATCH) - goto try_parent; - break; - } - default: - goto nomatch; - } - dbg(event->udev, "parent key matched\n"); - } - dbg(event->udev, "all parent keys matched\n"); - break; - - try_parent: - event->dev_parent = udev_device_get_parent(event->dev_parent); - if (event->dev_parent == NULL) - goto nomatch; - } - /* move behind our sequence of parent match keys */ - cur = next; - continue; - } - case TK_M_TEST: { - char filename[UTIL_PATH_SIZE]; - struct stat statbuf; - int match; - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename)); - if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) { - if (filename[0] != '/') { - char tmp[UTIL_PATH_SIZE]; - - util_strscpy(tmp, sizeof(tmp), filename); - util_strscpyl(filename, sizeof(filename), - udev_device_get_syspath(event->dev), "/", tmp, NULL); - } - } - attr_subst_subdir(filename, sizeof(filename)); - - match = (stat(filename, &statbuf) == 0); - dbg(event->udev, "'%s' %s", filename, match ? "exists\n" : "does not exist\n"); - if (match && cur->key.mode > 0) { - match = ((statbuf.st_mode & cur->key.mode) > 0); - dbg(event->udev, "'%s' has mode=%#o and %s %#o\n", filename, statbuf.st_mode, - match ? "matches" : "does not match", cur->key.mode); - } - if (match && cur->key.op == OP_NOMATCH) - goto nomatch; - if (!match && cur->key.op == OP_MATCH) - goto nomatch; - break; - } - case TK_M_EVENT_TIMEOUT: - info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout); - event->timeout_usec = cur->key.event_timeout * 1000 * 1000; - break; - case TK_M_PROGRAM: { - char program[UTIL_PATH_SIZE]; - char **envp; - char result[UTIL_PATH_SIZE]; - - free(event->program_result); - event->program_result = NULL; - udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program)); - envp = udev_device_get_properties_envp(event->dev); - info(event->udev, "PROGRAM '%s' %s:%u\n", - program, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - - if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) { - if (cur->key.op != OP_NOMATCH) - goto nomatch; - } else { - int count; - - util_remove_trailing_chars(result, '\n'); - if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) { - count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT); - if (count > 0) - info(event->udev, "%i character(s) replaced\n" , count); - } - event->program_result = strdup(result); - dbg(event->udev, "storing result '%s'\n", event->program_result); - if (cur->key.op == OP_NOMATCH) - goto nomatch; - } - break; - } - case TK_M_IMPORT_FILE: { - char import[UTIL_PATH_SIZE]; - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import)); - if (import_file_into_properties(event->dev, import) != 0) - if (cur->key.op != OP_NOMATCH) - goto nomatch; - break; - } - case TK_M_IMPORT_PROG: { - char import[UTIL_PATH_SIZE]; - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import)); - info(event->udev, "IMPORT '%s' %s:%u\n", - import, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - - if (import_program_into_properties(event, import, sigmask) != 0) - if (cur->key.op != OP_NOMATCH) - goto nomatch; - break; - } - case TK_M_IMPORT_BUILTIN: { - char command[UTIL_PATH_SIZE]; - - if (udev_builtin_run_once(cur->key.builtin_cmd)) { - /* check if we ran already */ - if (event->builtin_run & (1 << cur->key.builtin_cmd)) { - info(event->udev, "IMPORT builtin skip '%s' %s:%u\n", - udev_builtin_name(cur->key.builtin_cmd), - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - /* return the result from earlier run */ - if (event->builtin_ret & (1 << cur->key.builtin_cmd)) - if (cur->key.op != OP_NOMATCH) - goto nomatch; - break; - } - /* mark as ran */ - event->builtin_run |= (1 << cur->key.builtin_cmd); - } - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], command, sizeof(command)); - info(event->udev, "IMPORT builtin '%s' %s:%u\n", - udev_builtin_name(cur->key.builtin_cmd), - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - - if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) { - /* remember failure */ - info(rules->udev, "IMPORT builtin '%s' returned non-zero\n", - udev_builtin_name(cur->key.builtin_cmd)); - event->builtin_ret |= (1 << cur->key.builtin_cmd); - if (cur->key.op != OP_NOMATCH) - goto nomatch; - } - break; - } - case TK_M_IMPORT_DB: { - const char *key = &rules->buf[cur->key.value_off]; - const char *value; - - value = udev_device_get_property_value(event->dev_db, key); - if (value != NULL) { - struct udev_list_entry *entry; - - entry = udev_device_add_property(event->dev, key, value); - udev_list_entry_set_num(entry, true); - } else { - if (cur->key.op != OP_NOMATCH) - goto nomatch; - } - break; - } - case TK_M_IMPORT_CMDLINE: { - FILE *f; - bool imported = false; - - f = fopen("/proc/cmdline", "r"); - if (f != NULL) { - char cmdline[4096]; - - if (fgets(cmdline, sizeof(cmdline), f) != NULL) { - const char *key = &rules->buf[cur->key.value_off]; - char *pos; - - pos = strstr(cmdline, key); - if (pos != NULL) { - struct udev_list_entry *entry; - - pos += strlen(key); - if (pos[0] == '\0' || isspace(pos[0])) { - /* we import simple flags as 'FLAG=1' */ - entry = udev_device_add_property(event->dev, key, "1"); - udev_list_entry_set_num(entry, true); - imported = true; - } else if (pos[0] == '=') { - const char *value; - - pos++; - value = pos; - while (pos[0] != '\0' && !isspace(pos[0])) - pos++; - pos[0] = '\0'; - entry = udev_device_add_property(event->dev, key, value); - udev_list_entry_set_num(entry, true); - imported = true; - } - } - } - fclose(f); - } - if (!imported && cur->key.op != OP_NOMATCH) - goto nomatch; - break; - } - case TK_M_IMPORT_PARENT: { - char import[UTIL_PATH_SIZE]; - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import)); - if (import_parent_into_properties(event->dev, import) != 0) - if (cur->key.op != OP_NOMATCH) - goto nomatch; - break; - } - case TK_M_RESULT: - if (match_key(rules, cur, event->program_result) != 0) - goto nomatch; - break; - case TK_A_STRING_ESCAPE_NONE: - esc = ESCAPE_NONE; - break; - case TK_A_STRING_ESCAPE_REPLACE: - esc = ESCAPE_REPLACE; - break; - case TK_A_DB_PERSIST: - udev_device_set_db_persist(event->dev); - break; - case TK_A_INOTIFY_WATCH: - if (event->inotify_watch_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->inotify_watch_final = true; - event->inotify_watch = cur->key.watch; - break; - case TK_A_DEVLINK_PRIO: - udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio); - break; - case TK_A_OWNER: { - char owner[UTIL_NAME_SIZE]; - - if (event->owner_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->owner_final = true; - udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner)); - event->uid = util_lookup_user(event->udev, owner); - info(event->udev, "OWNER %u %s:%u\n", - event->uid, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - } - case TK_A_GROUP: { - char group[UTIL_NAME_SIZE]; - - if (event->group_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->group_final = true; - udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group)); - event->gid = util_lookup_group(event->udev, group); - info(event->udev, "GROUP %u %s:%u\n", - event->gid, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - } - case TK_A_MODE: { - char mode_str[UTIL_NAME_SIZE]; - mode_t mode; - char *endptr; - - if (event->mode_final) - break; - udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode_str, sizeof(mode_str)); - mode = strtol(mode_str, &endptr, 8); - if (endptr[0] != '\0') { - err(event->udev, "ignoring invalid mode '%s'\n", mode_str); - break; - } - if (cur->key.op == OP_ASSIGN_FINAL) - event->mode_final = true; - event->mode_set = true; - event->mode = mode; - info(event->udev, "MODE %#o %s:%u\n", - event->mode, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - } - case TK_A_OWNER_ID: - if (event->owner_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->owner_final = true; - event->uid = cur->key.uid; - info(event->udev, "OWNER %u %s:%u\n", - event->uid, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - case TK_A_GROUP_ID: - if (event->group_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->group_final = true; - event->gid = cur->key.gid; - info(event->udev, "GROUP %u %s:%u\n", - event->gid, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - case TK_A_MODE_ID: - if (event->mode_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->mode_final = true; - event->mode_set = true; - event->mode = cur->key.mode; - info(event->udev, "MODE %#o %s:%u\n", - event->mode, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - case TK_A_ENV: { - const char *name = &rules->buf[cur->key.attr_off]; - char *value = &rules->buf[cur->key.value_off]; - - if (value[0] != '\0') { - char temp_value[UTIL_NAME_SIZE]; - struct udev_list_entry *entry; - - udev_event_apply_format(event, value, temp_value, sizeof(temp_value)); - entry = udev_device_add_property(event->dev, name, temp_value); - /* store in db, skip private keys */ - if (name[0] != '.') - udev_list_entry_set_num(entry, true); - } else { - udev_device_add_property(event->dev, name, NULL); - } - break; - } - case TK_A_TAG: { - char tag[UTIL_PATH_SIZE]; - const char *p; - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag)); - if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL) - udev_device_cleanup_tags_list(event->dev); - for (p = tag; *p != '\0'; p++) { - if ((*p >= 'a' && *p <= 'z') || - (*p >= 'A' && *p <= 'Z') || - (*p >= '0' && *p <= '9') || - *p == '-' || *p == '_') - continue; - err(event->udev, "ignoring invalid tag name '%s'\n", tag); - break; - } - udev_device_add_tag(event->dev, tag); - break; - } - case TK_A_NAME: { - const char *name = &rules->buf[cur->key.value_off]; - char name_str[UTIL_PATH_SIZE]; - int count; - - if (event->name_final) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->name_final = true; - udev_event_apply_format(event, name, name_str, sizeof(name_str)); - if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) { - count = util_replace_chars(name_str, "/"); - if (count > 0) - info(event->udev, "%i character(s) replaced\n", count); - } - free(event->name); - event->name = strdup(name_str); - info(event->udev, "NAME '%s' %s:%u\n", - event->name, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - break; - } - case TK_A_DEVLINK: { - char temp[UTIL_PATH_SIZE]; - char filename[UTIL_PATH_SIZE]; - char *pos, *next; - int count = 0; - - if (event->devlink_final) - break; - if (major(udev_device_get_devnum(event->dev)) == 0) - break; - if (cur->key.op == OP_ASSIGN_FINAL) - event->devlink_final = true; - if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL) - udev_device_cleanup_devlinks_list(event->dev); - - /* allow multiple symlinks separated by spaces */ - udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp)); - if (esc == ESCAPE_UNSET) - count = util_replace_chars(temp, "/ "); - else if (esc == ESCAPE_REPLACE) - count = util_replace_chars(temp, "/"); - if (count > 0) - info(event->udev, "%i character(s) replaced\n" , count); - dbg(event->udev, "rule applied, added symlink(s) '%s'\n", temp); - pos = temp; - while (isspace(pos[0])) - pos++; - next = strchr(pos, ' '); - while (next != NULL) { - next[0] = '\0'; - info(event->udev, "LINK '%s' %s:%u\n", pos, - &rules->buf[rule->rule.filename_off], rule->rule.filename_line); - util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL); - udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique); - while (isspace(next[1])) - next++; - pos = &next[1]; - next = strchr(pos, ' '); - } - if (pos[0] != '\0') { - info(event->udev, "LINK '%s' %s:%u\n", pos, - &rules->buf[rule->rule.filename_off], rule->rule.filename_line); - util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL); - udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique); - } - break; - } - case TK_A_ATTR: { - const char *key_name = &rules->buf[cur->key.attr_off]; - char attr[UTIL_PATH_SIZE]; - char value[UTIL_NAME_SIZE]; - FILE *f; - - if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0) - util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL); - attr_subst_subdir(attr, sizeof(attr)); - - udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value)); - info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value, - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - f = fopen(attr, "w"); - if (f != NULL) { - if (fprintf(f, "%s", value) <= 0) - err(event->udev, "error writing ATTR{%s}: %m\n", attr); - fclose(f); - } else { - err(event->udev, "error opening ATTR{%s} for writing: %m\n", attr); - } - break; - } - case TK_A_RUN: { - if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL) - udev_list_cleanup(&event->run_list); - info(event->udev, "RUN '%s' %s:%u\n", - &rules->buf[cur->key.value_off], - &rules->buf[rule->rule.filename_off], - rule->rule.filename_line); - udev_list_entry_add(&event->run_list, &rules->buf[cur->key.value_off], NULL); - break; - } - case TK_A_GOTO: - if (cur->key.rule_goto == 0) - break; - cur = &rules->tokens[cur->key.rule_goto]; - continue; - case TK_END: - return 0; - - case TK_M_PARENTS_MIN: - case TK_M_PARENTS_MAX: - case TK_M_MAX: - case TK_UNSET: - err(rules->udev, "wrong type %u\n", cur->type); - goto nomatch; - } - - cur++; - continue; - nomatch: - /* fast-forward to next rule */ - cur = rule + rule->rule.token_count; - dbg(rules->udev, "forward to rule: %u\n", - (unsigned int) (cur - rules->tokens)); - } + struct token *cur; + struct token *rule; + enum escape_type esc = ESCAPE_UNSET; + bool can_set_name; + + if (rules->tokens == NULL) + return -1; + + can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) && + (major(udev_device_get_devnum(event->dev)) > 0 || + udev_device_get_ifindex(event->dev) > 0)); + + /* loop through token list, match, run actions or forward to next rule */ + cur = &rules->tokens[0]; + rule = cur; + for (;;) { + dump_token(rules, cur); + switch (cur->type) { + case TK_RULE: + /* current rule */ + rule = cur; + /* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */ + if (!can_set_name && rule->rule.can_set_name) + goto nomatch; + esc = ESCAPE_UNSET; + break; + case TK_M_ACTION: + if (match_key(rules, cur, udev_device_get_action(event->dev)) != 0) + goto nomatch; + break; + case TK_M_DEVPATH: + if (match_key(rules, cur, udev_device_get_devpath(event->dev)) != 0) + goto nomatch; + break; + case TK_M_KERNEL: + if (match_key(rules, cur, udev_device_get_sysname(event->dev)) != 0) + goto nomatch; + break; + case TK_M_DEVLINK: { + size_t devlen = strlen(udev_get_dev_path(event->udev))+1; + struct udev_list_entry *list_entry; + bool match = false; + + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) { + const char *devlink; + + devlink = &udev_list_entry_get_name(list_entry)[devlen]; + if (match_key(rules, cur, devlink) == 0) { + match = true; + break; + } + } + if (!match) + goto nomatch; + break; + } + case TK_M_NAME: + if (match_key(rules, cur, event->name) != 0) + goto nomatch; + break; + case TK_M_ENV: { + const char *key_name = &rules->buf[cur->key.attr_off]; + const char *value; + + value = udev_device_get_property_value(event->dev, key_name); + if (value == NULL) { + dbg(event->udev, "ENV{%s} is not set, treat as empty\n", key_name); + value = ""; + } + if (match_key(rules, cur, value)) + goto nomatch; + break; + } + case TK_M_TAG: { + struct udev_list_entry *list_entry; + bool match = false; + + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) { + if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) { + match = true; + break; + } + } + if (!match && (cur->key.op != OP_NOMATCH)) + goto nomatch; + break; + } + case TK_M_SUBSYSTEM: + if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0) + goto nomatch; + break; + case TK_M_DRIVER: + if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0) + goto nomatch; + break; + case TK_M_WAITFOR: { + char filename[UTIL_PATH_SIZE]; + int found; + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename)); + found = (wait_for_file(event->dev, filename, 10) == 0); + if (!found && (cur->key.op != OP_NOMATCH)) + goto nomatch; + break; + } + case TK_M_ATTR: + if (match_attr(rules, event->dev, event, cur) != 0) + goto nomatch; + break; + case TK_M_KERNELS: + case TK_M_SUBSYSTEMS: + case TK_M_DRIVERS: + case TK_M_ATTRS: + case TK_M_TAGS: { + struct token *next; + + /* get whole sequence of parent matches */ + next = cur; + while (next->type > TK_M_PARENTS_MIN && next->type < TK_M_PARENTS_MAX) + next++; + + /* loop over parents */ + event->dev_parent = event->dev; + for (;;) { + struct token *key; + + dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent)); + /* loop over sequence of parent match keys */ + for (key = cur; key < next; key++ ) { + dump_token(rules, key); + switch(key->type) { + case TK_M_KERNELS: + if (match_key(rules, key, udev_device_get_sysname(event->dev_parent)) != 0) + goto try_parent; + break; + case TK_M_SUBSYSTEMS: + if (match_key(rules, key, udev_device_get_subsystem(event->dev_parent)) != 0) + goto try_parent; + break; + case TK_M_DRIVERS: + if (match_key(rules, key, udev_device_get_driver(event->dev_parent)) != 0) + goto try_parent; + break; + case TK_M_ATTRS: + if (match_attr(rules, event->dev_parent, event, key) != 0) + goto try_parent; + break; + case TK_M_TAGS: { + bool match = udev_device_has_tag(event->dev_parent, &rules->buf[cur->key.value_off]); + + if (match && key->key.op == OP_NOMATCH) + goto try_parent; + if (!match && key->key.op == OP_MATCH) + goto try_parent; + break; + } + default: + goto nomatch; + } + dbg(event->udev, "parent key matched\n"); + } + dbg(event->udev, "all parent keys matched\n"); + break; + + try_parent: + event->dev_parent = udev_device_get_parent(event->dev_parent); + if (event->dev_parent == NULL) + goto nomatch; + } + /* move behind our sequence of parent match keys */ + cur = next; + continue; + } + case TK_M_TEST: { + char filename[UTIL_PATH_SIZE]; + struct stat statbuf; + int match; + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename)); + if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) { + if (filename[0] != '/') { + char tmp[UTIL_PATH_SIZE]; + + util_strscpy(tmp, sizeof(tmp), filename); + util_strscpyl(filename, sizeof(filename), + udev_device_get_syspath(event->dev), "/", tmp, NULL); + } + } + attr_subst_subdir(filename, sizeof(filename)); + + match = (stat(filename, &statbuf) == 0); + dbg(event->udev, "'%s' %s", filename, match ? "exists\n" : "does not exist\n"); + if (match && cur->key.mode > 0) { + match = ((statbuf.st_mode & cur->key.mode) > 0); + dbg(event->udev, "'%s' has mode=%#o and %s %#o\n", filename, statbuf.st_mode, + match ? "matches" : "does not match", cur->key.mode); + } + if (match && cur->key.op == OP_NOMATCH) + goto nomatch; + if (!match && cur->key.op == OP_MATCH) + goto nomatch; + break; + } + case TK_M_EVENT_TIMEOUT: + info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout); + event->timeout_usec = cur->key.event_timeout * 1000 * 1000; + break; + case TK_M_PROGRAM: { + char program[UTIL_PATH_SIZE]; + char **envp; + char result[UTIL_PATH_SIZE]; + + free(event->program_result); + event->program_result = NULL; + udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program)); + envp = udev_device_get_properties_envp(event->dev); + info(event->udev, "PROGRAM '%s' %s:%u\n", + program, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + + if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) { + if (cur->key.op != OP_NOMATCH) + goto nomatch; + } else { + int count; + + util_remove_trailing_chars(result, '\n'); + if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) { + count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT); + if (count > 0) + info(event->udev, "%i character(s) replaced\n" , count); + } + event->program_result = strdup(result); + dbg(event->udev, "storing result '%s'\n", event->program_result); + if (cur->key.op == OP_NOMATCH) + goto nomatch; + } + break; + } + case TK_M_IMPORT_FILE: { + char import[UTIL_PATH_SIZE]; + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import)); + if (import_file_into_properties(event->dev, import) != 0) + if (cur->key.op != OP_NOMATCH) + goto nomatch; + break; + } + case TK_M_IMPORT_PROG: { + char import[UTIL_PATH_SIZE]; + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import)); + info(event->udev, "IMPORT '%s' %s:%u\n", + import, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + + if (import_program_into_properties(event, import, sigmask) != 0) + if (cur->key.op != OP_NOMATCH) + goto nomatch; + break; + } + case TK_M_IMPORT_BUILTIN: { + char command[UTIL_PATH_SIZE]; + + if (udev_builtin_run_once(cur->key.builtin_cmd)) { + /* check if we ran already */ + if (event->builtin_run & (1 << cur->key.builtin_cmd)) { + info(event->udev, "IMPORT builtin skip '%s' %s:%u\n", + udev_builtin_name(cur->key.builtin_cmd), + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + /* return the result from earlier run */ + if (event->builtin_ret & (1 << cur->key.builtin_cmd)) + if (cur->key.op != OP_NOMATCH) + goto nomatch; + break; + } + /* mark as ran */ + event->builtin_run |= (1 << cur->key.builtin_cmd); + } + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], command, sizeof(command)); + info(event->udev, "IMPORT builtin '%s' %s:%u\n", + udev_builtin_name(cur->key.builtin_cmd), + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + + if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) { + /* remember failure */ + info(rules->udev, "IMPORT builtin '%s' returned non-zero\n", + udev_builtin_name(cur->key.builtin_cmd)); + event->builtin_ret |= (1 << cur->key.builtin_cmd); + if (cur->key.op != OP_NOMATCH) + goto nomatch; + } + break; + } + case TK_M_IMPORT_DB: { + const char *key = &rules->buf[cur->key.value_off]; + const char *value; + + value = udev_device_get_property_value(event->dev_db, key); + if (value != NULL) { + struct udev_list_entry *entry; + + entry = udev_device_add_property(event->dev, key, value); + udev_list_entry_set_num(entry, true); + } else { + if (cur->key.op != OP_NOMATCH) + goto nomatch; + } + break; + } + case TK_M_IMPORT_CMDLINE: { + FILE *f; + bool imported = false; + + f = fopen("/proc/cmdline", "r"); + if (f != NULL) { + char cmdline[4096]; + + if (fgets(cmdline, sizeof(cmdline), f) != NULL) { + const char *key = &rules->buf[cur->key.value_off]; + char *pos; + + pos = strstr(cmdline, key); + if (pos != NULL) { + struct udev_list_entry *entry; + + pos += strlen(key); + if (pos[0] == '\0' || isspace(pos[0])) { + /* we import simple flags as 'FLAG=1' */ + entry = udev_device_add_property(event->dev, key, "1"); + udev_list_entry_set_num(entry, true); + imported = true; + } else if (pos[0] == '=') { + const char *value; + + pos++; + value = pos; + while (pos[0] != '\0' && !isspace(pos[0])) + pos++; + pos[0] = '\0'; + entry = udev_device_add_property(event->dev, key, value); + udev_list_entry_set_num(entry, true); + imported = true; + } + } + } + fclose(f); + } + if (!imported && cur->key.op != OP_NOMATCH) + goto nomatch; + break; + } + case TK_M_IMPORT_PARENT: { + char import[UTIL_PATH_SIZE]; + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import)); + if (import_parent_into_properties(event->dev, import) != 0) + if (cur->key.op != OP_NOMATCH) + goto nomatch; + break; + } + case TK_M_RESULT: + if (match_key(rules, cur, event->program_result) != 0) + goto nomatch; + break; + case TK_A_STRING_ESCAPE_NONE: + esc = ESCAPE_NONE; + break; + case TK_A_STRING_ESCAPE_REPLACE: + esc = ESCAPE_REPLACE; + break; + case TK_A_DB_PERSIST: + udev_device_set_db_persist(event->dev); + break; + case TK_A_INOTIFY_WATCH: + if (event->inotify_watch_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->inotify_watch_final = true; + event->inotify_watch = cur->key.watch; + break; + case TK_A_DEVLINK_PRIO: + udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio); + break; + case TK_A_OWNER: { + char owner[UTIL_NAME_SIZE]; + + if (event->owner_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->owner_final = true; + udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner)); + event->uid = util_lookup_user(event->udev, owner); + info(event->udev, "OWNER %u %s:%u\n", + event->uid, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + } + case TK_A_GROUP: { + char group[UTIL_NAME_SIZE]; + + if (event->group_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->group_final = true; + udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group)); + event->gid = util_lookup_group(event->udev, group); + info(event->udev, "GROUP %u %s:%u\n", + event->gid, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + } + case TK_A_MODE: { + char mode_str[UTIL_NAME_SIZE]; + mode_t mode; + char *endptr; + + if (event->mode_final) + break; + udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode_str, sizeof(mode_str)); + mode = strtol(mode_str, &endptr, 8); + if (endptr[0] != '\0') { + err(event->udev, "ignoring invalid mode '%s'\n", mode_str); + break; + } + if (cur->key.op == OP_ASSIGN_FINAL) + event->mode_final = true; + event->mode_set = true; + event->mode = mode; + info(event->udev, "MODE %#o %s:%u\n", + event->mode, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + } + case TK_A_OWNER_ID: + if (event->owner_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->owner_final = true; + event->uid = cur->key.uid; + info(event->udev, "OWNER %u %s:%u\n", + event->uid, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + case TK_A_GROUP_ID: + if (event->group_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->group_final = true; + event->gid = cur->key.gid; + info(event->udev, "GROUP %u %s:%u\n", + event->gid, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + case TK_A_MODE_ID: + if (event->mode_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->mode_final = true; + event->mode_set = true; + event->mode = cur->key.mode; + info(event->udev, "MODE %#o %s:%u\n", + event->mode, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + case TK_A_ENV: { + const char *name = &rules->buf[cur->key.attr_off]; + char *value = &rules->buf[cur->key.value_off]; + + if (value[0] != '\0') { + char temp_value[UTIL_NAME_SIZE]; + struct udev_list_entry *entry; + + udev_event_apply_format(event, value, temp_value, sizeof(temp_value)); + entry = udev_device_add_property(event->dev, name, temp_value); + /* store in db, skip private keys */ + if (name[0] != '.') + udev_list_entry_set_num(entry, true); + } else { + udev_device_add_property(event->dev, name, NULL); + } + break; + } + case TK_A_TAG: { + char tag[UTIL_PATH_SIZE]; + const char *p; + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag)); + if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL) + udev_device_cleanup_tags_list(event->dev); + for (p = tag; *p != '\0'; p++) { + if ((*p >= 'a' && *p <= 'z') || + (*p >= 'A' && *p <= 'Z') || + (*p >= '0' && *p <= '9') || + *p == '-' || *p == '_') + continue; + err(event->udev, "ignoring invalid tag name '%s'\n", tag); + break; + } + udev_device_add_tag(event->dev, tag); + break; + } + case TK_A_NAME: { + const char *name = &rules->buf[cur->key.value_off]; + char name_str[UTIL_PATH_SIZE]; + int count; + + if (event->name_final) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->name_final = true; + udev_event_apply_format(event, name, name_str, sizeof(name_str)); + if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) { + count = util_replace_chars(name_str, "/"); + if (count > 0) + info(event->udev, "%i character(s) replaced\n", count); + } + free(event->name); + event->name = strdup(name_str); + info(event->udev, "NAME '%s' %s:%u\n", + event->name, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + break; + } + case TK_A_DEVLINK: { + char temp[UTIL_PATH_SIZE]; + char filename[UTIL_PATH_SIZE]; + char *pos, *next; + int count = 0; + + if (event->devlink_final) + break; + if (major(udev_device_get_devnum(event->dev)) == 0) + break; + if (cur->key.op == OP_ASSIGN_FINAL) + event->devlink_final = true; + if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL) + udev_device_cleanup_devlinks_list(event->dev); + + /* allow multiple symlinks separated by spaces */ + udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp)); + if (esc == ESCAPE_UNSET) + count = util_replace_chars(temp, "/ "); + else if (esc == ESCAPE_REPLACE) + count = util_replace_chars(temp, "/"); + if (count > 0) + info(event->udev, "%i character(s) replaced\n" , count); + dbg(event->udev, "rule applied, added symlink(s) '%s'\n", temp); + pos = temp; + while (isspace(pos[0])) + pos++; + next = strchr(pos, ' '); + while (next != NULL) { + next[0] = '\0'; + info(event->udev, "LINK '%s' %s:%u\n", pos, + &rules->buf[rule->rule.filename_off], rule->rule.filename_line); + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL); + udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique); + while (isspace(next[1])) + next++; + pos = &next[1]; + next = strchr(pos, ' '); + } + if (pos[0] != '\0') { + info(event->udev, "LINK '%s' %s:%u\n", pos, + &rules->buf[rule->rule.filename_off], rule->rule.filename_line); + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL); + udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique); + } + break; + } + case TK_A_ATTR: { + const char *key_name = &rules->buf[cur->key.attr_off]; + char attr[UTIL_PATH_SIZE]; + char value[UTIL_NAME_SIZE]; + FILE *f; + + if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0) + util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL); + attr_subst_subdir(attr, sizeof(attr)); + + udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value)); + info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value, + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + f = fopen(attr, "w"); + if (f != NULL) { + if (fprintf(f, "%s", value) <= 0) + err(event->udev, "error writing ATTR{%s}: %m\n", attr); + fclose(f); + } else { + err(event->udev, "error opening ATTR{%s} for writing: %m\n", attr); + } + break; + } + case TK_A_RUN: { + if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL) + udev_list_cleanup(&event->run_list); + info(event->udev, "RUN '%s' %s:%u\n", + &rules->buf[cur->key.value_off], + &rules->buf[rule->rule.filename_off], + rule->rule.filename_line); + udev_list_entry_add(&event->run_list, &rules->buf[cur->key.value_off], NULL); + break; + } + case TK_A_GOTO: + if (cur->key.rule_goto == 0) + break; + cur = &rules->tokens[cur->key.rule_goto]; + continue; + case TK_END: + return 0; + + case TK_M_PARENTS_MIN: + case TK_M_PARENTS_MAX: + case TK_M_MAX: + case TK_UNSET: + err(rules->udev, "wrong type %u\n", cur->type); + goto nomatch; + } + + cur++; + continue; + nomatch: + /* fast-forward to next rule */ + cur = rule + rule->rule.token_count; + dbg(rules->udev, "forward to rule: %u\n", + (unsigned int) (cur - rules->tokens)); + } } void udev_rules_apply_static_dev_perms(struct udev_rules *rules) { - struct token *cur; - struct token *rule; - uid_t uid = 0; - gid_t gid = 0; - mode_t mode = 0; - - if (rules->tokens == NULL) - return; - - cur = &rules->tokens[0]; - rule = cur; - for (;;) { - switch (cur->type) { - case TK_RULE: - /* current rule */ - rule = cur; - - /* skip rules without a static_node tag */ - if (!rule->rule.has_static_node) - goto next; - - uid = 0; - gid = 0; - mode = 0; - break; - case TK_A_OWNER_ID: - uid = cur->key.uid; - break; - case TK_A_GROUP_ID: - gid = cur->key.gid; - break; - case TK_A_MODE_ID: - mode = cur->key.mode; - break; - case TK_A_STATIC_NODE: { - char filename[UTIL_PATH_SIZE]; - struct stat stats; - - /* we assure, that the permissions tokens are sorted before the static token */ - if (mode == 0 && uid == 0 && gid == 0) - goto next; - util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/", - &rules->buf[cur->key.value_off], NULL); - if (stat(filename, &stats) != 0) - goto next; - if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode)) - goto next; - if (mode == 0) { - if (gid > 0) - mode = 0660; - else - mode = 0600; - } - if (mode != (stats.st_mode & 01777)) { - chmod(filename, mode); - info(rules->udev, "chmod '%s' %#o\n", filename, mode); - } - - if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) { - chown(filename, uid, gid); - info(rules->udev, "chown '%s' %u %u\n", filename, uid, gid); - } - - utimensat(AT_FDCWD, filename, NULL, 0); - break; - } - case TK_END: - return; - } - - cur++; - continue; + struct token *cur; + struct token *rule; + uid_t uid = 0; + gid_t gid = 0; + mode_t mode = 0; + + if (rules->tokens == NULL) + return; + + cur = &rules->tokens[0]; + rule = cur; + for (;;) { + switch (cur->type) { + case TK_RULE: + /* current rule */ + rule = cur; + + /* skip rules without a static_node tag */ + if (!rule->rule.has_static_node) + goto next; + + uid = 0; + gid = 0; + mode = 0; + break; + case TK_A_OWNER_ID: + uid = cur->key.uid; + break; + case TK_A_GROUP_ID: + gid = cur->key.gid; + break; + case TK_A_MODE_ID: + mode = cur->key.mode; + break; + case TK_A_STATIC_NODE: { + char filename[UTIL_PATH_SIZE]; + struct stat stats; + + /* we assure, that the permissions tokens are sorted before the static token */ + if (mode == 0 && uid == 0 && gid == 0) + goto next; + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/", + &rules->buf[cur->key.value_off], NULL); + if (stat(filename, &stats) != 0) + goto next; + if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode)) + goto next; + if (mode == 0) { + if (gid > 0) + mode = 0660; + else + mode = 0600; + } + if (mode != (stats.st_mode & 01777)) { + chmod(filename, mode); + info(rules->udev, "chmod '%s' %#o\n", filename, mode); + } + + if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) { + chown(filename, uid, gid); + info(rules->udev, "chown '%s' %u %u\n", filename, uid, gid); + } + + utimensat(AT_FDCWD, filename, NULL, 0); + break; + } + case TK_END: + return; + } + + cur++; + continue; next: - /* fast-forward to next rule */ - cur = rule + rule->rule.token_count; - continue; - } + /* fast-forward to next rule */ + cur = rule + rule->rule.token_count; + continue; + } } diff --git a/src/udev-watch.c b/src/udev-watch.c index 0ec8bfd62..228d18fed 100644 --- a/src/udev-watch.c +++ b/src/udev-watch.c @@ -38,10 +38,10 @@ static int inotify_fd = -1; */ int udev_watch_init(struct udev *udev) { - inotify_fd = inotify_init1(IN_CLOEXEC); - if (inotify_fd < 0) - err(udev, "inotify_init failed: %m\n"); - return inotify_fd; + inotify_fd = inotify_init1(IN_CLOEXEC); + if (inotify_fd < 0) + err(udev, "inotify_init failed: %m\n"); + return inotify_fd; } /* move any old watches directory out of the way, and then restore @@ -49,122 +49,122 @@ int udev_watch_init(struct udev *udev) */ void udev_watch_restore(struct udev *udev) { - char filename[UTIL_PATH_SIZE], oldname[UTIL_PATH_SIZE]; - - if (inotify_fd < 0) - return; - - util_strscpyl(oldname, sizeof(oldname), udev_get_run_path(udev), "/watch.old", NULL); - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL); - if (rename(filename, oldname) == 0) { - DIR *dir; - struct dirent *ent; - - dir = opendir(oldname); - if (dir == NULL) { - err(udev, "unable to open old watches dir '%s', old watches will not be restored: %m", oldname); - return; - } - - for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) { - char device[UTIL_PATH_SIZE]; - char *s; - size_t l; - ssize_t len; - struct udev_device *dev; - - if (ent->d_name[0] == '.') - continue; - - s = device; - l = util_strpcpy(&s, sizeof(device), udev_get_sys_path(udev)); - len = readlinkat(dirfd(dir), ent->d_name, s, l); - if (len <= 0 || len == (ssize_t)l) - goto unlink; - s[len] = '\0'; - - dev = udev_device_new_from_id_filename(udev, s); - if (dev == NULL) - goto unlink; - - info(udev, "restoring old watch on '%s'\n", udev_device_get_devnode(dev)); - udev_watch_begin(udev, dev); - udev_device_unref(dev); + char filename[UTIL_PATH_SIZE], oldname[UTIL_PATH_SIZE]; + + if (inotify_fd < 0) + return; + + util_strscpyl(oldname, sizeof(oldname), udev_get_run_path(udev), "/watch.old", NULL); + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL); + if (rename(filename, oldname) == 0) { + DIR *dir; + struct dirent *ent; + + dir = opendir(oldname); + if (dir == NULL) { + err(udev, "unable to open old watches dir '%s', old watches will not be restored: %m", oldname); + return; + } + + for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) { + char device[UTIL_PATH_SIZE]; + char *s; + size_t l; + ssize_t len; + struct udev_device *dev; + + if (ent->d_name[0] == '.') + continue; + + s = device; + l = util_strpcpy(&s, sizeof(device), udev_get_sys_path(udev)); + len = readlinkat(dirfd(dir), ent->d_name, s, l); + if (len <= 0 || len == (ssize_t)l) + goto unlink; + s[len] = '\0'; + + dev = udev_device_new_from_id_filename(udev, s); + if (dev == NULL) + goto unlink; + + info(udev, "restoring old watch on '%s'\n", udev_device_get_devnode(dev)); + udev_watch_begin(udev, dev); + udev_device_unref(dev); unlink: - unlinkat(dirfd(dir), ent->d_name, 0); - } + unlinkat(dirfd(dir), ent->d_name, 0); + } - closedir(dir); - rmdir(oldname); + closedir(dir); + rmdir(oldname); - } else if (errno != ENOENT) { - err(udev, "unable to move watches dir '%s', old watches will not be restored: %m", filename); - } + } else if (errno != ENOENT) { + err(udev, "unable to move watches dir '%s', old watches will not be restored: %m", filename); + } } void udev_watch_begin(struct udev *udev, struct udev_device *dev) { - char filename[UTIL_PATH_SIZE]; - int wd; - - if (inotify_fd < 0) - return; - - info(udev, "adding watch on '%s'\n", udev_device_get_devnode(dev)); - wd = inotify_add_watch(inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE); - if (wd < 0) { - err(udev, "inotify_add_watch(%d, %s, %o) failed: %m\n", - inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE); - return; - } - - snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); - util_create_path(udev, filename); - unlink(filename); - symlink(udev_device_get_id_filename(dev), filename); - - udev_device_set_watch_handle(dev, wd); + char filename[UTIL_PATH_SIZE]; + int wd; + + if (inotify_fd < 0) + return; + + info(udev, "adding watch on '%s'\n", udev_device_get_devnode(dev)); + wd = inotify_add_watch(inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE); + if (wd < 0) { + err(udev, "inotify_add_watch(%d, %s, %o) failed: %m\n", + inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE); + return; + } + + snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); + util_create_path(udev, filename); + unlink(filename); + symlink(udev_device_get_id_filename(dev), filename); + + udev_device_set_watch_handle(dev, wd); } void udev_watch_end(struct udev *udev, struct udev_device *dev) { - int wd; - char filename[UTIL_PATH_SIZE]; + int wd; + char filename[UTIL_PATH_SIZE]; - if (inotify_fd < 0) - return; + if (inotify_fd < 0) + return; - wd = udev_device_get_watch_handle(dev); - if (wd < 0) - return; + wd = udev_device_get_watch_handle(dev); + if (wd < 0) + return; - info(udev, "removing watch on '%s'\n", udev_device_get_devnode(dev)); - inotify_rm_watch(inotify_fd, wd); + info(udev, "removing watch on '%s'\n", udev_device_get_devnode(dev)); + inotify_rm_watch(inotify_fd, wd); - snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); - unlink(filename); + snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); + unlink(filename); - udev_device_set_watch_handle(dev, -1); + udev_device_set_watch_handle(dev, -1); } struct udev_device *udev_watch_lookup(struct udev *udev, int wd) { - char filename[UTIL_PATH_SIZE]; - char majmin[UTIL_PATH_SIZE]; - char *s; - size_t l; - ssize_t len; - - if (inotify_fd < 0 || wd < 0) - return NULL; - - snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); - s = majmin; - l = util_strpcpy(&s, sizeof(majmin), udev_get_sys_path(udev)); - len = readlink(filename, s, l); - if (len <= 0 || (size_t)len == l) - return NULL; - s[len] = '\0'; - - return udev_device_new_from_id_filename(udev, s); + char filename[UTIL_PATH_SIZE]; + char majmin[UTIL_PATH_SIZE]; + char *s; + size_t l; + ssize_t len; + + if (inotify_fd < 0 || wd < 0) + return NULL; + + snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); + s = majmin; + l = util_strpcpy(&s, sizeof(majmin), udev_get_sys_path(udev)); + len = readlink(filename, s, l); + if (len <= 0 || (size_t)len == l) + return NULL; + s[len] = '\0'; + + return udev_device_new_from_id_filename(udev, s); } diff --git a/src/udev.h b/src/udev.h index 56b1652c7..9ed6804fe 100644 --- a/src/udev.h +++ b/src/udev.h @@ -27,38 +27,38 @@ #include "libudev-private.h" struct udev_event { - struct udev *udev; - struct udev_device *dev; - struct udev_device *dev_parent; - struct udev_device *dev_db; - char *name; - char *program_result; - mode_t mode; - uid_t uid; - gid_t gid; - struct udev_list run_list; - int exec_delay; - unsigned long long birth_usec; - unsigned long long timeout_usec; - int fd_signal; - unsigned int builtin_run; - unsigned int builtin_ret; - bool sigterm; - bool inotify_watch; - bool inotify_watch_final; - bool group_final; - bool owner_final; - bool mode_set; - bool mode_final; - bool name_final; - bool devlink_final; - bool run_final; + struct udev *udev; + struct udev_device *dev; + struct udev_device *dev_parent; + struct udev_device *dev_db; + char *name; + char *program_result; + mode_t mode; + uid_t uid; + gid_t gid; + struct udev_list run_list; + int exec_delay; + unsigned long long birth_usec; + unsigned long long timeout_usec; + int fd_signal; + unsigned int builtin_run; + unsigned int builtin_ret; + bool sigterm; + bool inotify_watch; + bool inotify_watch_final; + bool group_final; + bool owner_final; + bool mode_set; + bool mode_final; + bool name_final; + bool devlink_final; + bool run_final; }; struct udev_watch { - struct udev_list_node node; - int handle; - char *name; + struct udev_list_node node; + int handle; + char *name; }; /* udev-rules.c */ @@ -73,10 +73,10 @@ struct udev_event *udev_event_new(struct udev_device *dev); void udev_event_unref(struct udev_event *event); size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size); int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string, - char *result, size_t maxsize, int read_value); + char *result, size_t maxsize, int read_value); int udev_event_spawn(struct udev_event *event, - const char *cmd, char **envp, const sigset_t *sigmask, - char *result, size_t ressize); + const char *cmd, char **envp, const sigset_t *sigmask, + char *result, size_t ressize); int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset); int udev_event_execute_run(struct udev_event *event, const sigset_t *sigset); int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]); @@ -130,24 +130,24 @@ int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg); /* built-in commands */ enum udev_builtin_cmd { - UDEV_BUILTIN_BLKID, - UDEV_BUILTIN_FIRMWARE, - UDEV_BUILTIN_INPUT_ID, - UDEV_BUILTIN_KMOD, - UDEV_BUILTIN_PATH_ID, - UDEV_BUILTIN_PCI_DB, - UDEV_BUILTIN_USB_DB, - UDEV_BUILTIN_USB_ID, - UDEV_BUILTIN_MAX + UDEV_BUILTIN_BLKID, + UDEV_BUILTIN_FIRMWARE, + UDEV_BUILTIN_INPUT_ID, + UDEV_BUILTIN_KMOD, + UDEV_BUILTIN_PATH_ID, + UDEV_BUILTIN_PCI_DB, + UDEV_BUILTIN_USB_DB, + UDEV_BUILTIN_USB_ID, + UDEV_BUILTIN_MAX }; struct udev_builtin { - const char *name; - int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test); - const char *help; - int (*init)(struct udev *udev); - void (*exit)(struct udev *udev); - bool (*validate)(struct udev *udev); - bool run_once; + const char *name; + int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test); + const char *help; + int (*init)(struct udev *udev); + void (*exit)(struct udev *udev); + bool (*validate)(struct udev *udev); + bool run_once; }; extern const struct udev_builtin udev_builtin_blkid; extern const struct udev_builtin udev_builtin_firmware; @@ -168,15 +168,15 @@ int udev_builtin_add_property(struct udev_device *dev, bool test, const char *ke /* udev logging */ void udev_main_log(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args); + const char *file, int line, const char *fn, + const char *format, va_list args); /* udevadm commands */ struct udevadm_cmd { - const char *name; - int (*cmd)(struct udev *udev, int argc, char *argv[]); - const char *help; - int debug; + const char *name; + int (*cmd)(struct udev *udev, int argc, char *argv[]); + const char *help; + int debug; }; extern const struct udevadm_cmd udevadm_info; extern const struct udevadm_cmd udevadm_trigger; diff --git a/src/udevadm-control.c b/src/udevadm-control.c index dd1d5d783..cafa21494 100644 --- a/src/udevadm-control.c +++ b/src/udevadm-control.c @@ -29,147 +29,147 @@ static void print_help(void) { - printf("Usage: udevadm control COMMAND\n" - " --exit instruct the daemon to cleanup and exit\n" - " --log-priority= set the udev log level for the daemon\n" - " --stop-exec-queue do not execute events, queue only\n" - " --start-exec-queue execute events, flush queue\n" - " --reload reload rules and databases\n" - " --property== set a global property for all events\n" - " --children-max= maximum number of children\n" - " --timeout= maximum time to block for a reply\n" - " --help print this help text\n\n"); + printf("Usage: udevadm control COMMAND\n" + " --exit instruct the daemon to cleanup and exit\n" + " --log-priority= set the udev log level for the daemon\n" + " --stop-exec-queue do not execute events, queue only\n" + " --start-exec-queue execute events, flush queue\n" + " --reload reload rules and databases\n" + " --property== set a global property for all events\n" + " --children-max= maximum number of children\n" + " --timeout= maximum time to block for a reply\n" + " --help print this help text\n\n"); } static int adm_control(struct udev *udev, int argc, char *argv[]) { - struct udev_ctrl *uctrl = NULL; - int timeout = 60; - int rc = 1; + struct udev_ctrl *uctrl = NULL; + int timeout = 60; + int rc = 1; - static const struct option options[] = { - { "exit", no_argument, NULL, 'e' }, - { "log-priority", required_argument, NULL, 'l' }, - { "stop-exec-queue", no_argument, NULL, 's' }, - { "start-exec-queue", no_argument, NULL, 'S' }, - { "reload", no_argument, NULL, 'R' }, - { "reload-rules", no_argument, NULL, 'R' }, - { "property", required_argument, NULL, 'p' }, - { "env", required_argument, NULL, 'p' }, - { "children-max", required_argument, NULL, 'm' }, - { "timeout", required_argument, NULL, 't' }, - { "help", no_argument, NULL, 'h' }, - {} - }; + static const struct option options[] = { + { "exit", no_argument, NULL, 'e' }, + { "log-priority", required_argument, NULL, 'l' }, + { "stop-exec-queue", no_argument, NULL, 's' }, + { "start-exec-queue", no_argument, NULL, 'S' }, + { "reload", no_argument, NULL, 'R' }, + { "reload-rules", no_argument, NULL, 'R' }, + { "property", required_argument, NULL, 'p' }, + { "env", required_argument, NULL, 'p' }, + { "children-max", required_argument, NULL, 'm' }, + { "timeout", required_argument, NULL, 't' }, + { "help", no_argument, NULL, 'h' }, + {} + }; - if (getuid() != 0) { - fprintf(stderr, "root privileges required\n"); - return 1; - } + if (getuid() != 0) { + fprintf(stderr, "root privileges required\n"); + return 1; + } - uctrl = udev_ctrl_new(udev); - if (uctrl == NULL) - return 2; + uctrl = udev_ctrl_new(udev); + if (uctrl == NULL) + return 2; - for (;;) { - int option; + for (;;) { + int option; - option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL); - if (option == -1) - break; + option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL); + if (option == -1) + break; - switch (option) { - case 'e': - if (udev_ctrl_send_exit(uctrl, timeout) < 0) - rc = 2; - else - rc = 0; - break; - case 'l': { - int i; + switch (option) { + case 'e': + if (udev_ctrl_send_exit(uctrl, timeout) < 0) + rc = 2; + else + rc = 0; + break; + case 'l': { + int i; - i = util_log_priority(optarg); - if (i < 0) { - fprintf(stderr, "invalid number '%s'\n", optarg); - goto out; - } - if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0) - rc = 2; - else - rc = 0; - break; - } - case 's': - if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0) - rc = 2; - else - rc = 0; - break; - case 'S': - if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0) - rc = 2; - else - rc = 0; - break; - case 'R': - if (udev_ctrl_send_reload(uctrl, timeout) < 0) - rc = 2; - else - rc = 0; - break; - case 'p': - if (strchr(optarg, '=') == NULL) { - fprintf(stderr, "expect = instead of '%s'\n", optarg); - goto out; - } - if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0) - rc = 2; - else - rc = 0; - break; - case 'm': { - char *endp; - int i; + i = util_log_priority(optarg); + if (i < 0) { + fprintf(stderr, "invalid number '%s'\n", optarg); + goto out; + } + if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0) + rc = 2; + else + rc = 0; + break; + } + case 's': + if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0) + rc = 2; + else + rc = 0; + break; + case 'S': + if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0) + rc = 2; + else + rc = 0; + break; + case 'R': + if (udev_ctrl_send_reload(uctrl, timeout) < 0) + rc = 2; + else + rc = 0; + break; + case 'p': + if (strchr(optarg, '=') == NULL) { + fprintf(stderr, "expect = instead of '%s'\n", optarg); + goto out; + } + if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0) + rc = 2; + else + rc = 0; + break; + case 'm': { + char *endp; + int i; - i = strtoul(optarg, &endp, 0); - if (endp[0] != '\0' || i < 1) { - fprintf(stderr, "invalid number '%s'\n", optarg); - goto out; - } - if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0) - rc = 2; - else - rc = 0; - break; - } - case 't': { - int seconds; + i = strtoul(optarg, &endp, 0); + if (endp[0] != '\0' || i < 1) { + fprintf(stderr, "invalid number '%s'\n", optarg); + goto out; + } + if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0) + rc = 2; + else + rc = 0; + break; + } + case 't': { + int seconds; - seconds = atoi(optarg); - if (seconds >= 0) - timeout = seconds; - else - fprintf(stderr, "invalid timeout value\n"); - break; - } - case 'h': - print_help(); - rc = 0; - break; - } - } + seconds = atoi(optarg); + if (seconds >= 0) + timeout = seconds; + else + fprintf(stderr, "invalid timeout value\n"); + break; + } + case 'h': + print_help(); + rc = 0; + break; + } + } - if (argv[optind] != NULL) - fprintf(stderr, "unknown option\n"); - else if (optind == 1) - fprintf(stderr, "missing option\n"); + if (argv[optind] != NULL) + fprintf(stderr, "unknown option\n"); + else if (optind == 1) + fprintf(stderr, "missing option\n"); out: - udev_ctrl_unref(uctrl); - return rc; + udev_ctrl_unref(uctrl); + return rc; } const struct udevadm_cmd udevadm_control = { - .name = "control", - .cmd = adm_control, - .help = "control the udev daemon", + .name = "control", + .cmd = adm_control, + .help = "control the udev daemon", }; diff --git a/src/udevadm-info.c b/src/udevadm-info.c index f7e7e86b6..ee9b59fea 100644 --- a/src/udevadm-info.c +++ b/src/udevadm-info.c @@ -33,536 +33,536 @@ static bool skip_attribute(const char *name) { - static const char const *skip[] = { - "uevent", - "dev", - "modalias", - "resource", - "driver", - "subsystem", - "module", - }; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(skip); i++) - if (strcmp(name, skip[i]) == 0) - return true; - return false; + static const char const *skip[] = { + "uevent", + "dev", + "modalias", + "resource", + "driver", + "subsystem", + "module", + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(skip); i++) + if (strcmp(name, skip[i]) == 0) + return true; + return false; } static void print_all_attributes(struct udev_device *device, const char *key) { - struct udev *udev = udev_device_get_udev(device); - struct udev_list_entry *sysattr; - - udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) { - const char *name; - const char *value; - size_t len; - - name = udev_list_entry_get_name(sysattr); - if (skip_attribute(name)) - continue; - - value = udev_device_get_sysattr_value(device, name); - if (value == NULL) - continue; - dbg(udev, "attr '%s'='%s'\n", name, value); - - /* skip any values that look like a path */ - if (value[0] == '/') - continue; - - /* skip nonprintable attributes */ - len = strlen(value); - while (len > 0 && isprint(value[len-1])) - len--; - if (len > 0) { - dbg(udev, "attribute value of '%s' non-printable, skip\n", name); - continue; - } - - printf(" %s{%s}==\"%s\"\n", key, name, value); - } - printf("\n"); + struct udev *udev = udev_device_get_udev(device); + struct udev_list_entry *sysattr; + + udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) { + const char *name; + const char *value; + size_t len; + + name = udev_list_entry_get_name(sysattr); + if (skip_attribute(name)) + continue; + + value = udev_device_get_sysattr_value(device, name); + if (value == NULL) + continue; + dbg(udev, "attr '%s'='%s'\n", name, value); + + /* skip any values that look like a path */ + if (value[0] == '/') + continue; + + /* skip nonprintable attributes */ + len = strlen(value); + while (len > 0 && isprint(value[len-1])) + len--; + if (len > 0) { + dbg(udev, "attribute value of '%s' non-printable, skip\n", name); + continue; + } + + printf(" %s{%s}==\"%s\"\n", key, name, value); + } + printf("\n"); } static int print_device_chain(struct udev_device *device) { - struct udev_device *device_parent; - const char *str; - - printf("\n" - "Udevadm info starts with the device specified by the devpath and then\n" - "walks up the chain of parent devices. It prints for every device\n" - "found, all possible attributes in the udev rules key format.\n" - "A rule to match, can be composed by the attributes of the device\n" - "and the attributes from one single parent device.\n" - "\n"); - - printf(" looking at device '%s':\n", udev_device_get_devpath(device)); - printf(" KERNEL==\"%s\"\n", udev_device_get_sysname(device)); - str = udev_device_get_subsystem(device); - if (str == NULL) - str = ""; - printf(" SUBSYSTEM==\"%s\"\n", str); - str = udev_device_get_driver(device); - if (str == NULL) - str = ""; - printf(" DRIVER==\"%s\"\n", str); - print_all_attributes(device, "ATTR"); - - device_parent = device; - do { - device_parent = udev_device_get_parent(device_parent); - if (device_parent == NULL) - break; - printf(" looking at parent device '%s':\n", udev_device_get_devpath(device_parent)); - printf(" KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent)); - str = udev_device_get_subsystem(device_parent); - if (str == NULL) - str = ""; - printf(" SUBSYSTEMS==\"%s\"\n", str); - str = udev_device_get_driver(device_parent); - if (str == NULL) - str = ""; - printf(" DRIVERS==\"%s\"\n", str); - print_all_attributes(device_parent, "ATTRS"); - } while (device_parent != NULL); - - return 0; + struct udev_device *device_parent; + const char *str; + + printf("\n" + "Udevadm info starts with the device specified by the devpath and then\n" + "walks up the chain of parent devices. It prints for every device\n" + "found, all possible attributes in the udev rules key format.\n" + "A rule to match, can be composed by the attributes of the device\n" + "and the attributes from one single parent device.\n" + "\n"); + + printf(" looking at device '%s':\n", udev_device_get_devpath(device)); + printf(" KERNEL==\"%s\"\n", udev_device_get_sysname(device)); + str = udev_device_get_subsystem(device); + if (str == NULL) + str = ""; + printf(" SUBSYSTEM==\"%s\"\n", str); + str = udev_device_get_driver(device); + if (str == NULL) + str = ""; + printf(" DRIVER==\"%s\"\n", str); + print_all_attributes(device, "ATTR"); + + device_parent = device; + do { + device_parent = udev_device_get_parent(device_parent); + if (device_parent == NULL) + break; + printf(" looking at parent device '%s':\n", udev_device_get_devpath(device_parent)); + printf(" KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent)); + str = udev_device_get_subsystem(device_parent); + if (str == NULL) + str = ""; + printf(" SUBSYSTEMS==\"%s\"\n", str); + str = udev_device_get_driver(device_parent); + if (str == NULL) + str = ""; + printf(" DRIVERS==\"%s\"\n", str); + print_all_attributes(device_parent, "ATTRS"); + } while (device_parent != NULL); + + return 0; } static void print_record(struct udev_device *device) { - size_t len; - const char *str; - int i; - struct udev_list_entry *list_entry; - - printf("P: %s\n", udev_device_get_devpath(device)); - - len = strlen(udev_get_dev_path(udev_device_get_udev(device))); - str = udev_device_get_devnode(device); - if (str != NULL) - printf("N: %s\n", &str[len+1]); - - i = udev_device_get_devlink_priority(device); - if (i != 0) - printf("L: %i\n", i); - - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) { - len = strlen(udev_get_dev_path(udev_device_get_udev(device))); - printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]); - } - - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) - printf("E: %s=%s\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - printf("\n"); + size_t len; + const char *str; + int i; + struct udev_list_entry *list_entry; + + printf("P: %s\n", udev_device_get_devpath(device)); + + len = strlen(udev_get_dev_path(udev_device_get_udev(device))); + str = udev_device_get_devnode(device); + if (str != NULL) + printf("N: %s\n", &str[len+1]); + + i = udev_device_get_devlink_priority(device); + if (i != 0) + printf("L: %i\n", i); + + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) { + len = strlen(udev_get_dev_path(udev_device_get_udev(device))); + printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]); + } + + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) + printf("E: %s=%s\n", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + printf("\n"); } static int stat_device(const char *name, bool export, const char *prefix) { - struct stat statbuf; - - if (stat(name, &statbuf) != 0) - return -1; - - if (export) { - if (prefix == NULL) - prefix = "INFO_"; - printf("%sMAJOR=%d\n" - "%sMINOR=%d\n", - prefix, major(statbuf.st_dev), - prefix, minor(statbuf.st_dev)); - } else - printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev)); - return 0; + struct stat statbuf; + + if (stat(name, &statbuf) != 0) + return -1; + + if (export) { + if (prefix == NULL) + prefix = "INFO_"; + printf("%sMAJOR=%d\n" + "%sMINOR=%d\n", + prefix, major(statbuf.st_dev), + prefix, minor(statbuf.st_dev)); + } else + printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev)); + return 0; } static int export_devices(struct udev *udev) { - struct udev_enumerate *udev_enumerate; - struct udev_list_entry *list_entry; - - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_scan_devices(udev_enumerate); - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { - struct udev_device *device; - - device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry)); - if (device != NULL) { - print_record(device); - udev_device_unref(device); - } - } - udev_enumerate_unref(udev_enumerate); - return 0; + struct udev_enumerate *udev_enumerate; + struct udev_list_entry *list_entry; + + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_scan_devices(udev_enumerate); + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { + struct udev_device *device; + + device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry)); + if (device != NULL) { + print_record(device); + udev_device_unref(device); + } + } + udev_enumerate_unref(udev_enumerate); + return 0; } static void cleanup_dir(DIR *dir, mode_t mask, int depth) { - struct dirent *dent; - - if (depth <= 0) - return; - - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - struct stat stats; - - if (dent->d_name[0] == '.') - continue; - if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0) - continue; - if ((stats.st_mode & mask) != 0) - continue; - if (S_ISDIR(stats.st_mode)) { - DIR *dir2; - - dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); - if (dir2 != NULL) { - cleanup_dir(dir2, mask, depth-1); - closedir(dir2); - } - unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR); - } else { - unlinkat(dirfd(dir), dent->d_name, 0); - } - } + struct dirent *dent; + + if (depth <= 0) + return; + + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + struct stat stats; + + if (dent->d_name[0] == '.') + continue; + if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0) + continue; + if ((stats.st_mode & mask) != 0) + continue; + if (S_ISDIR(stats.st_mode)) { + DIR *dir2; + + dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); + if (dir2 != NULL) { + cleanup_dir(dir2, mask, depth-1); + closedir(dir2); + } + unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR); + } else { + unlinkat(dirfd(dir), dent->d_name, 0); + } + } } static void cleanup_db(struct udev *udev) { - char filename[UTIL_PATH_SIZE]; - DIR *dir; - - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL); - unlink(filename); - - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL); - dir = opendir(filename); - if (dir != NULL) { - cleanup_dir(dir, S_ISVTX, 1); - closedir(dir); - } - - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL); - dir = opendir(filename); - if (dir != NULL) { - cleanup_dir(dir, 0, 2); - closedir(dir); - } - - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL); - dir = opendir(filename); - if (dir != NULL) { - cleanup_dir(dir, 0, 2); - closedir(dir); - } - - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL); - dir = opendir(filename); - if (dir != NULL) { - cleanup_dir(dir, 0, 1); - closedir(dir); - } - - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL); - dir = opendir(filename); - if (dir != NULL) { - cleanup_dir(dir, 0, 1); - closedir(dir); - } + char filename[UTIL_PATH_SIZE]; + DIR *dir; + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL); + unlink(filename); + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, S_ISVTX, 1); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 2); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 2); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 1); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 1); + closedir(dir); + } } static int uinfo(struct udev *udev, int argc, char *argv[]) { - struct udev_device *device = NULL; - bool root = 0; - bool export = 0; - const char *export_prefix = NULL; - char path[UTIL_PATH_SIZE]; - char name[UTIL_PATH_SIZE]; - struct udev_list_entry *list_entry; - int rc = 0; - - static const struct option options[] = { - { "name", required_argument, NULL, 'n' }, - { "path", required_argument, NULL, 'p' }, - { "query", required_argument, NULL, 'q' }, - { "attribute-walk", no_argument, NULL, 'a' }, - { "cleanup-db", no_argument, NULL, 'c' }, - { "export-db", no_argument, NULL, 'e' }, - { "root", no_argument, NULL, 'r' }, - { "run", no_argument, NULL, 'R' }, - { "device-id-of-file", required_argument, NULL, 'd' }, - { "export", no_argument, NULL, 'x' }, - { "export-prefix", required_argument, NULL, 'P' }, - { "version", no_argument, NULL, 'V' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - enum action_type { - ACTION_NONE, - ACTION_QUERY, - ACTION_ATTRIBUTE_WALK, - ACTION_ROOT, - ACTION_DEVICE_ID_FILE, - } action = ACTION_NONE; - - enum query_type { - QUERY_NONE, - QUERY_NAME, - QUERY_PATH, - QUERY_SYMLINK, - QUERY_PROPERTY, - QUERY_ALL, - } query = QUERY_NONE; - - for (;;) { - int option; - struct stat statbuf; - - option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL); - if (option == -1) - break; - - dbg(udev, "option '%c'\n", option); - switch (option) { - case 'n': - if (device != NULL) { - fprintf(stderr, "device already specified\n"); - rc = 2; - goto exit; - } - /* remove /dev if given */ - if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0) - util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL); - else - util_strscpy(name, sizeof(name), optarg); - util_remove_trailing_chars(name, '/'); - if (stat(name, &statbuf) < 0) { - fprintf(stderr, "device node not found\n"); - rc = 2; - goto exit; - } else { - char type; - - if (S_ISBLK(statbuf.st_mode)) { - type = 'b'; - } else if (S_ISCHR(statbuf.st_mode)) { - type = 'c'; - } else { - fprintf(stderr, "device node has wrong file type\n"); - rc = 2; - goto exit; - } - device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev); - if (device == NULL) { - fprintf(stderr, "device node not found\n"); - rc = 2; - goto exit; - } - } - break; - case 'p': - if (device != NULL) { - fprintf(stderr, "device already specified\n"); - rc = 2; - goto exit; - } - /* add sys dir if needed */ - if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) - util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL); - else - util_strscpy(path, sizeof(path), optarg); - util_remove_trailing_chars(path, '/'); - device = udev_device_new_from_syspath(udev, path); - if (device == NULL) { - fprintf(stderr, "device path not found\n"); - rc = 2; - goto exit; - } - break; - case 'q': - action = ACTION_QUERY; - if (strcmp(optarg, "property") == 0 || strcmp(optarg, "env") == 0) { - query = QUERY_PROPERTY; - } else if (strcmp(optarg, "name") == 0) { - query = QUERY_NAME; - } else if (strcmp(optarg, "symlink") == 0) { - query = QUERY_SYMLINK; - } else if (strcmp(optarg, "path") == 0) { - query = QUERY_PATH; - } else if (strcmp(optarg, "all") == 0) { - query = QUERY_ALL; - } else { - fprintf(stderr, "unknown query type\n"); - rc = 3; - goto exit; - } - break; - case 'r': - if (action == ACTION_NONE) - action = ACTION_ROOT; - root = true; - break; - case 'R': - printf("%s\n", udev_get_run_path(udev)); - goto exit; - case 'd': - action = ACTION_DEVICE_ID_FILE; - util_strscpy(name, sizeof(name), optarg); - break; - case 'a': - action = ACTION_ATTRIBUTE_WALK; - break; - case 'e': - export_devices(udev); - goto exit; - case 'c': - cleanup_db(udev); - goto exit; - case 'x': - export = true; - break; - case 'P': - export_prefix = optarg; - break; - case 'V': - printf("%s\n", VERSION); - goto exit; - case 'h': - printf("Usage: udevadm info OPTIONS\n" - " --query= query device information:\n" - " name name of device node\n" - " symlink pointing to node\n" - " path sys device path\n" - " property the device properties\n" - " all all values\n" - " --path= sys device path used for query or attribute walk\n" - " --name= node or symlink name used for query or attribute walk\n" - " --root prepend dev directory to path names\n" - " --attribute-walk print all key matches while walking along the chain\n" - " of parent devices\n" - " --device-id-of-file= print major:minor of device containing this file\n" - " --export export key/value pairs\n" - " --export-prefix export the key name with a prefix\n" - " --export-db export the content of the udev database\n" - " --cleanup-db cleanup the udev database\n" - " --help\n\n"); - goto exit; - default: - rc = 1; - goto exit; - } - } - - switch (action) { - case ACTION_QUERY: - if (device == NULL) { - fprintf(stderr, "query needs a valid device specified by --path= or --name=\n"); - rc = 4; - goto exit; - } - - switch(query) { - case QUERY_NAME: { - const char *node = udev_device_get_devnode(device); - - if (node == NULL) { - fprintf(stderr, "no device node found\n"); - rc = 5; - goto exit; - } - - if (root) { - printf("%s\n", udev_device_get_devnode(device)); - } else { - size_t len = strlen(udev_get_dev_path(udev)); - - printf("%s\n", &udev_device_get_devnode(device)[len+1]); - } - break; - } - case QUERY_SYMLINK: - list_entry = udev_device_get_devlinks_list_entry(device); - while (list_entry != NULL) { - if (root) { - printf("%s", udev_list_entry_get_name(list_entry)); - } else { - size_t len; - - len = strlen(udev_get_dev_path(udev_device_get_udev(device))); - printf("%s", &udev_list_entry_get_name(list_entry)[len+1]); - } - list_entry = udev_list_entry_get_next(list_entry); - if (list_entry != NULL) - printf(" "); - } - printf("\n"); - break; - case QUERY_PATH: - printf("%s\n", udev_device_get_devpath(device)); - goto exit; - case QUERY_PROPERTY: - list_entry = udev_device_get_properties_list_entry(device); - while (list_entry != NULL) { - if (export) { - const char *prefix = export_prefix; - - if (prefix == NULL) - prefix = ""; - printf("%s%s='%s'\n", prefix, - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - } else { - printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); - } - list_entry = udev_list_entry_get_next(list_entry); - } - break; - case QUERY_ALL: - print_record(device); - break; - default: - fprintf(stderr, "unknown query type\n"); - break; - } - break; - case ACTION_ATTRIBUTE_WALK: - if (device == NULL) { - fprintf(stderr, "query needs a valid device specified by --path= or --name=\n"); - rc = 4; - goto exit; - } - print_device_chain(device); - break; - case ACTION_DEVICE_ID_FILE: - if (stat_device(name, export, export_prefix) != 0) - rc = 1; - break; - case ACTION_ROOT: - printf("%s\n", udev_get_dev_path(udev)); - break; - default: - fprintf(stderr, "missing option\n"); - rc = 1; - break; - } + struct udev_device *device = NULL; + bool root = 0; + bool export = 0; + const char *export_prefix = NULL; + char path[UTIL_PATH_SIZE]; + char name[UTIL_PATH_SIZE]; + struct udev_list_entry *list_entry; + int rc = 0; + + static const struct option options[] = { + { "name", required_argument, NULL, 'n' }, + { "path", required_argument, NULL, 'p' }, + { "query", required_argument, NULL, 'q' }, + { "attribute-walk", no_argument, NULL, 'a' }, + { "cleanup-db", no_argument, NULL, 'c' }, + { "export-db", no_argument, NULL, 'e' }, + { "root", no_argument, NULL, 'r' }, + { "run", no_argument, NULL, 'R' }, + { "device-id-of-file", required_argument, NULL, 'd' }, + { "export", no_argument, NULL, 'x' }, + { "export-prefix", required_argument, NULL, 'P' }, + { "version", no_argument, NULL, 'V' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + enum action_type { + ACTION_NONE, + ACTION_QUERY, + ACTION_ATTRIBUTE_WALK, + ACTION_ROOT, + ACTION_DEVICE_ID_FILE, + } action = ACTION_NONE; + + enum query_type { + QUERY_NONE, + QUERY_NAME, + QUERY_PATH, + QUERY_SYMLINK, + QUERY_PROPERTY, + QUERY_ALL, + } query = QUERY_NONE; + + for (;;) { + int option; + struct stat statbuf; + + option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL); + if (option == -1) + break; + + dbg(udev, "option '%c'\n", option); + switch (option) { + case 'n': + if (device != NULL) { + fprintf(stderr, "device already specified\n"); + rc = 2; + goto exit; + } + /* remove /dev if given */ + if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0) + util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL); + else + util_strscpy(name, sizeof(name), optarg); + util_remove_trailing_chars(name, '/'); + if (stat(name, &statbuf) < 0) { + fprintf(stderr, "device node not found\n"); + rc = 2; + goto exit; + } else { + char type; + + if (S_ISBLK(statbuf.st_mode)) { + type = 'b'; + } else if (S_ISCHR(statbuf.st_mode)) { + type = 'c'; + } else { + fprintf(stderr, "device node has wrong file type\n"); + rc = 2; + goto exit; + } + device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev); + if (device == NULL) { + fprintf(stderr, "device node not found\n"); + rc = 2; + goto exit; + } + } + break; + case 'p': + if (device != NULL) { + fprintf(stderr, "device already specified\n"); + rc = 2; + goto exit; + } + /* add sys dir if needed */ + if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) + util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL); + else + util_strscpy(path, sizeof(path), optarg); + util_remove_trailing_chars(path, '/'); + device = udev_device_new_from_syspath(udev, path); + if (device == NULL) { + fprintf(stderr, "device path not found\n"); + rc = 2; + goto exit; + } + break; + case 'q': + action = ACTION_QUERY; + if (strcmp(optarg, "property") == 0 || strcmp(optarg, "env") == 0) { + query = QUERY_PROPERTY; + } else if (strcmp(optarg, "name") == 0) { + query = QUERY_NAME; + } else if (strcmp(optarg, "symlink") == 0) { + query = QUERY_SYMLINK; + } else if (strcmp(optarg, "path") == 0) { + query = QUERY_PATH; + } else if (strcmp(optarg, "all") == 0) { + query = QUERY_ALL; + } else { + fprintf(stderr, "unknown query type\n"); + rc = 3; + goto exit; + } + break; + case 'r': + if (action == ACTION_NONE) + action = ACTION_ROOT; + root = true; + break; + case 'R': + printf("%s\n", udev_get_run_path(udev)); + goto exit; + case 'd': + action = ACTION_DEVICE_ID_FILE; + util_strscpy(name, sizeof(name), optarg); + break; + case 'a': + action = ACTION_ATTRIBUTE_WALK; + break; + case 'e': + export_devices(udev); + goto exit; + case 'c': + cleanup_db(udev); + goto exit; + case 'x': + export = true; + break; + case 'P': + export_prefix = optarg; + break; + case 'V': + printf("%s\n", VERSION); + goto exit; + case 'h': + printf("Usage: udevadm info OPTIONS\n" + " --query= query device information:\n" + " name name of device node\n" + " symlink pointing to node\n" + " path sys device path\n" + " property the device properties\n" + " all all values\n" + " --path= sys device path used for query or attribute walk\n" + " --name= node or symlink name used for query or attribute walk\n" + " --root prepend dev directory to path names\n" + " --attribute-walk print all key matches while walking along the chain\n" + " of parent devices\n" + " --device-id-of-file= print major:minor of device containing this file\n" + " --export export key/value pairs\n" + " --export-prefix export the key name with a prefix\n" + " --export-db export the content of the udev database\n" + " --cleanup-db cleanup the udev database\n" + " --help\n\n"); + goto exit; + default: + rc = 1; + goto exit; + } + } + + switch (action) { + case ACTION_QUERY: + if (device == NULL) { + fprintf(stderr, "query needs a valid device specified by --path= or --name=\n"); + rc = 4; + goto exit; + } + + switch(query) { + case QUERY_NAME: { + const char *node = udev_device_get_devnode(device); + + if (node == NULL) { + fprintf(stderr, "no device node found\n"); + rc = 5; + goto exit; + } + + if (root) { + printf("%s\n", udev_device_get_devnode(device)); + } else { + size_t len = strlen(udev_get_dev_path(udev)); + + printf("%s\n", &udev_device_get_devnode(device)[len+1]); + } + break; + } + case QUERY_SYMLINK: + list_entry = udev_device_get_devlinks_list_entry(device); + while (list_entry != NULL) { + if (root) { + printf("%s", udev_list_entry_get_name(list_entry)); + } else { + size_t len; + + len = strlen(udev_get_dev_path(udev_device_get_udev(device))); + printf("%s", &udev_list_entry_get_name(list_entry)[len+1]); + } + list_entry = udev_list_entry_get_next(list_entry); + if (list_entry != NULL) + printf(" "); + } + printf("\n"); + break; + case QUERY_PATH: + printf("%s\n", udev_device_get_devpath(device)); + goto exit; + case QUERY_PROPERTY: + list_entry = udev_device_get_properties_list_entry(device); + while (list_entry != NULL) { + if (export) { + const char *prefix = export_prefix; + + if (prefix == NULL) + prefix = ""; + printf("%s%s='%s'\n", prefix, + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + } else { + printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); + } + list_entry = udev_list_entry_get_next(list_entry); + } + break; + case QUERY_ALL: + print_record(device); + break; + default: + fprintf(stderr, "unknown query type\n"); + break; + } + break; + case ACTION_ATTRIBUTE_WALK: + if (device == NULL) { + fprintf(stderr, "query needs a valid device specified by --path= or --name=\n"); + rc = 4; + goto exit; + } + print_device_chain(device); + break; + case ACTION_DEVICE_ID_FILE: + if (stat_device(name, export, export_prefix) != 0) + rc = 1; + break; + case ACTION_ROOT: + printf("%s\n", udev_get_dev_path(udev)); + break; + default: + fprintf(stderr, "missing option\n"); + rc = 1; + break; + } exit: - udev_device_unref(device); - return rc; + udev_device_unref(device); + return rc; } const struct udevadm_cmd udevadm_info = { - .name = "info", - .cmd = uinfo, - .help = "query sysfs or the udev database", + .name = "info", + .cmd = uinfo, + .help = "query sysfs or the udev database", }; diff --git a/src/udevadm-monitor.c b/src/udevadm-monitor.c index 64913dbd5..5997dd8e1 100644 --- a/src/udevadm-monitor.c +++ b/src/udevadm-monitor.c @@ -38,260 +38,260 @@ static bool udev_exit; static void sig_handler(int signum) { - if (signum == SIGINT || signum == SIGTERM) - udev_exit = true; + if (signum == SIGINT || signum == SIGTERM) + udev_exit = true; } static void print_device(struct udev_device *device, const char *source, int prop) { - struct timespec ts; - - clock_gettime(CLOCK_MONOTONIC, &ts); - printf("%-6s[%llu.%06u] %-8s %s (%s)\n", - source, - (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000, - udev_device_get_action(device), - udev_device_get_devpath(device), - udev_device_get_subsystem(device)); - if (prop) { - struct udev_list_entry *list_entry; - - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) - printf("%s=%s\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - printf("\n"); - } + struct timespec ts; + + clock_gettime(CLOCK_MONOTONIC, &ts); + printf("%-6s[%llu.%06u] %-8s %s (%s)\n", + source, + (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000, + udev_device_get_action(device), + udev_device_get_devpath(device), + udev_device_get_subsystem(device)); + if (prop) { + struct udev_list_entry *list_entry; + + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) + printf("%s=%s\n", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + printf("\n"); + } } static int adm_monitor(struct udev *udev, int argc, char *argv[]) { - struct sigaction act; - sigset_t mask; - int option; - bool prop = false; - bool print_kernel = false; - bool print_udev = false; - struct udev_list subsystem_match_list; - struct udev_list tag_match_list; - struct udev_monitor *udev_monitor = NULL; - struct udev_monitor *kernel_monitor = NULL; - int fd_ep = -1; - int fd_kernel = -1, fd_udev = -1; - struct epoll_event ep_kernel, ep_udev; - int rc = 0; - - static const struct option options[] = { - { "property", no_argument, NULL, 'p' }, - { "environment", no_argument, NULL, 'e' }, - { "kernel", no_argument, NULL, 'k' }, - { "udev", no_argument, NULL, 'u' }, - { "subsystem-match", required_argument, NULL, 's' }, - { "tag-match", required_argument, NULL, 't' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - udev_list_init(udev, &subsystem_match_list, true); - udev_list_init(udev, &tag_match_list, true); - - for (;;) { - option = getopt_long(argc, argv, "pekus:t:h", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'p': - case 'e': - prop = true; - break; - case 'k': - print_kernel = true; - break; - case 'u': - print_udev = true; - break; - case 's': - { - char subsys[UTIL_NAME_SIZE]; - char *devtype; - - util_strscpy(subsys, sizeof(subsys), optarg); - devtype = strchr(subsys, '/'); - if (devtype != NULL) { - devtype[0] = '\0'; - devtype++; - } - udev_list_entry_add(&subsystem_match_list, subsys, devtype); - break; - } - case 't': - udev_list_entry_add(&tag_match_list, optarg, NULL); - break; - case 'h': - printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n" - " --property print the event properties\n" - " --kernel print kernel uevents\n" - " --udev print udev events\n" - " --subsystem-match= filter events by subsystem\n" - " --tag-match= filter events by tag\n" - " --help\n\n"); - goto out; - default: - rc = 1; - goto out; - } - } - - if (!print_kernel && !print_udev) { - print_kernel = true; - print_udev = true; - } - - /* set signal handlers */ - memset(&act, 0x00, sizeof(struct sigaction)); - act.sa_handler = sig_handler; - sigemptyset(&act.sa_mask); - act.sa_flags = SA_RESTART; - sigaction(SIGINT, &act, NULL); - sigaction(SIGTERM, &act, NULL); - sigemptyset(&mask); - sigaddset(&mask, SIGINT); - sigaddset(&mask, SIGTERM); - sigprocmask(SIG_UNBLOCK, &mask, NULL); - - fd_ep = epoll_create1(EPOLL_CLOEXEC); - if (fd_ep < 0) { - err(udev, "error creating epoll fd: %m\n"); - goto out; - } - - printf("monitor will print the received events for:\n"); - if (print_udev) { - struct udev_list_entry *entry; - - udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); - if (udev_monitor == NULL) { - fprintf(stderr, "error: unable to create netlink socket\n"); - rc = 1; - goto out; - } - udev_monitor_set_receive_buffer_size(udev_monitor, 128*1024*1024); - fd_udev = udev_monitor_get_fd(udev_monitor); - - udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) { - const char *subsys = udev_list_entry_get_name(entry); - const char *devtype = udev_list_entry_get_value(entry); - - if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, subsys, devtype) < 0) - fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys); - } - - udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) { - const char *tag = udev_list_entry_get_name(entry); - - if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0) - fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag); - } - - if (udev_monitor_enable_receiving(udev_monitor) < 0) { - fprintf(stderr, "error: unable to subscribe to udev events\n"); - rc = 2; - goto out; - } - - memset(&ep_udev, 0, sizeof(struct epoll_event)); - ep_udev.events = EPOLLIN; - ep_udev.data.fd = fd_udev; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) { - err(udev, "fail to add fd to epoll: %m\n"); - goto out; - } - - printf("UDEV - the event which udev sends out after rule processing\n"); - } - - if (print_kernel) { - struct udev_list_entry *entry; - - kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel"); - if (kernel_monitor == NULL) { - fprintf(stderr, "error: unable to create netlink socket\n"); - rc = 3; - goto out; - } - udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024); - fd_kernel = udev_monitor_get_fd(kernel_monitor); - - udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) { - const char *subsys = udev_list_entry_get_name(entry); - - if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0) - fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys); - } - - if (udev_monitor_enable_receiving(kernel_monitor) < 0) { - fprintf(stderr, "error: unable to subscribe to kernel events\n"); - rc = 4; - goto out; - } - - memset(&ep_kernel, 0, sizeof(struct epoll_event)); - ep_kernel.events = EPOLLIN; - ep_kernel.data.fd = fd_kernel; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) { - err(udev, "fail to add fd to epoll: %m\n"); - goto out; - } - - printf("KERNEL - the kernel uevent\n"); - } - printf("\n"); - - while (!udev_exit) { - int fdcount; - struct epoll_event ev[4]; - int i; - - fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); - if (fdcount < 0) { - if (errno != EINTR) - fprintf(stderr, "error receiving uevent message: %m\n"); - continue; - } - - for (i = 0; i < fdcount; i++) { - if (ev[i].data.fd == fd_kernel && ev[i].events & EPOLLIN) { - struct udev_device *device; - - device = udev_monitor_receive_device(kernel_monitor); - if (device == NULL) - continue; - print_device(device, "KERNEL", prop); - udev_device_unref(device); - } else if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) { - struct udev_device *device; - - device = udev_monitor_receive_device(udev_monitor); - if (device == NULL) - continue; - print_device(device, "UDEV", prop); - udev_device_unref(device); - } - } - } + struct sigaction act; + sigset_t mask; + int option; + bool prop = false; + bool print_kernel = false; + bool print_udev = false; + struct udev_list subsystem_match_list; + struct udev_list tag_match_list; + struct udev_monitor *udev_monitor = NULL; + struct udev_monitor *kernel_monitor = NULL; + int fd_ep = -1; + int fd_kernel = -1, fd_udev = -1; + struct epoll_event ep_kernel, ep_udev; + int rc = 0; + + static const struct option options[] = { + { "property", no_argument, NULL, 'p' }, + { "environment", no_argument, NULL, 'e' }, + { "kernel", no_argument, NULL, 'k' }, + { "udev", no_argument, NULL, 'u' }, + { "subsystem-match", required_argument, NULL, 's' }, + { "tag-match", required_argument, NULL, 't' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + udev_list_init(udev, &subsystem_match_list, true); + udev_list_init(udev, &tag_match_list, true); + + for (;;) { + option = getopt_long(argc, argv, "pekus:t:h", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'p': + case 'e': + prop = true; + break; + case 'k': + print_kernel = true; + break; + case 'u': + print_udev = true; + break; + case 's': + { + char subsys[UTIL_NAME_SIZE]; + char *devtype; + + util_strscpy(subsys, sizeof(subsys), optarg); + devtype = strchr(subsys, '/'); + if (devtype != NULL) { + devtype[0] = '\0'; + devtype++; + } + udev_list_entry_add(&subsystem_match_list, subsys, devtype); + break; + } + case 't': + udev_list_entry_add(&tag_match_list, optarg, NULL); + break; + case 'h': + printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n" + " --property print the event properties\n" + " --kernel print kernel uevents\n" + " --udev print udev events\n" + " --subsystem-match= filter events by subsystem\n" + " --tag-match= filter events by tag\n" + " --help\n\n"); + goto out; + default: + rc = 1; + goto out; + } + } + + if (!print_kernel && !print_udev) { + print_kernel = true; + print_udev = true; + } + + /* set signal handlers */ + memset(&act, 0x00, sizeof(struct sigaction)); + act.sa_handler = sig_handler; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_RESTART; + sigaction(SIGINT, &act, NULL); + sigaction(SIGTERM, &act, NULL); + sigemptyset(&mask); + sigaddset(&mask, SIGINT); + sigaddset(&mask, SIGTERM); + sigprocmask(SIG_UNBLOCK, &mask, NULL); + + fd_ep = epoll_create1(EPOLL_CLOEXEC); + if (fd_ep < 0) { + err(udev, "error creating epoll fd: %m\n"); + goto out; + } + + printf("monitor will print the received events for:\n"); + if (print_udev) { + struct udev_list_entry *entry; + + udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); + if (udev_monitor == NULL) { + fprintf(stderr, "error: unable to create netlink socket\n"); + rc = 1; + goto out; + } + udev_monitor_set_receive_buffer_size(udev_monitor, 128*1024*1024); + fd_udev = udev_monitor_get_fd(udev_monitor); + + udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) { + const char *subsys = udev_list_entry_get_name(entry); + const char *devtype = udev_list_entry_get_value(entry); + + if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, subsys, devtype) < 0) + fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys); + } + + udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) { + const char *tag = udev_list_entry_get_name(entry); + + if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0) + fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag); + } + + if (udev_monitor_enable_receiving(udev_monitor) < 0) { + fprintf(stderr, "error: unable to subscribe to udev events\n"); + rc = 2; + goto out; + } + + memset(&ep_udev, 0, sizeof(struct epoll_event)); + ep_udev.events = EPOLLIN; + ep_udev.data.fd = fd_udev; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) { + err(udev, "fail to add fd to epoll: %m\n"); + goto out; + } + + printf("UDEV - the event which udev sends out after rule processing\n"); + } + + if (print_kernel) { + struct udev_list_entry *entry; + + kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel"); + if (kernel_monitor == NULL) { + fprintf(stderr, "error: unable to create netlink socket\n"); + rc = 3; + goto out; + } + udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024); + fd_kernel = udev_monitor_get_fd(kernel_monitor); + + udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) { + const char *subsys = udev_list_entry_get_name(entry); + + if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0) + fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys); + } + + if (udev_monitor_enable_receiving(kernel_monitor) < 0) { + fprintf(stderr, "error: unable to subscribe to kernel events\n"); + rc = 4; + goto out; + } + + memset(&ep_kernel, 0, sizeof(struct epoll_event)); + ep_kernel.events = EPOLLIN; + ep_kernel.data.fd = fd_kernel; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) { + err(udev, "fail to add fd to epoll: %m\n"); + goto out; + } + + printf("KERNEL - the kernel uevent\n"); + } + printf("\n"); + + while (!udev_exit) { + int fdcount; + struct epoll_event ev[4]; + int i; + + fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); + if (fdcount < 0) { + if (errno != EINTR) + fprintf(stderr, "error receiving uevent message: %m\n"); + continue; + } + + for (i = 0; i < fdcount; i++) { + if (ev[i].data.fd == fd_kernel && ev[i].events & EPOLLIN) { + struct udev_device *device; + + device = udev_monitor_receive_device(kernel_monitor); + if (device == NULL) + continue; + print_device(device, "KERNEL", prop); + udev_device_unref(device); + } else if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) { + struct udev_device *device; + + device = udev_monitor_receive_device(udev_monitor); + if (device == NULL) + continue; + print_device(device, "UDEV", prop); + udev_device_unref(device); + } + } + } out: - if (fd_ep >= 0) - close(fd_ep); - udev_monitor_unref(udev_monitor); - udev_monitor_unref(kernel_monitor); - udev_list_cleanup(&subsystem_match_list); - udev_list_cleanup(&tag_match_list); - return rc; + if (fd_ep >= 0) + close(fd_ep); + udev_monitor_unref(udev_monitor); + udev_monitor_unref(kernel_monitor); + udev_list_cleanup(&subsystem_match_list); + udev_list_cleanup(&tag_match_list); + return rc; } const struct udevadm_cmd udevadm_monitor = { - .name = "monitor", - .cmd = adm_monitor, - .help = "listen to kernel and udev events", + .name = "monitor", + .cmd = adm_monitor, + .help = "listen to kernel and udev events", }; diff --git a/src/udevadm-settle.c b/src/udevadm-settle.c index a59d7c39e..b168defd9 100644 --- a/src/udevadm-settle.c +++ b/src/udevadm-settle.c @@ -38,198 +38,198 @@ static int adm_settle(struct udev *udev, int argc, char *argv[]) { - static const struct option options[] = { - { "seq-start", required_argument, NULL, 's' }, - { "seq-end", required_argument, NULL, 'e' }, - { "timeout", required_argument, NULL, 't' }, - { "exit-if-exists", required_argument, NULL, 'E' }, - { "quiet", no_argument, NULL, 'q' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - unsigned long long start_usec = now_usec(); - unsigned long long start = 0; - unsigned long long end = 0; - int quiet = 0; - const char *exists = NULL; - unsigned int timeout = 120; - struct pollfd pfd[1]; - struct udev_queue *udev_queue = NULL; - int rc = EXIT_FAILURE; - - dbg(udev, "version %s\n", VERSION); - - for (;;) { - int option; - int seconds; - - option = getopt_long(argc, argv, "s:e:t:E:qh", options, NULL); - if (option == -1) - break; - - switch (option) { - case 's': - start = strtoull(optarg, NULL, 0); - break; - case 'e': - end = strtoull(optarg, NULL, 0); - break; - case 't': - seconds = atoi(optarg); - if (seconds >= 0) - timeout = seconds; - else - fprintf(stderr, "invalid timeout value\n"); - dbg(udev, "timeout=%i\n", timeout); - break; - case 'q': - quiet = 1; - break; - case 'E': - exists = optarg; - break; - case 'h': - printf("Usage: udevadm settle OPTIONS\n" - " --timeout= maximum time to wait for events\n" - " --seq-start= first seqnum to wait for\n" - " --seq-end= last seqnum to wait for\n" - " --exit-if-exists= stop waiting if file exists\n" - " --quiet do not print list after timeout\n" - " --help\n\n"); - exit(EXIT_SUCCESS); - default: - exit(EXIT_FAILURE); - } - } - - udev_queue = udev_queue_new(udev); - if (udev_queue == NULL) - exit(2); - - if (start > 0) { - unsigned long long kernel_seq; - - kernel_seq = udev_queue_get_kernel_seqnum(udev_queue); - - /* unless specified, the last event is the current kernel seqnum */ - if (end == 0) - end = udev_queue_get_kernel_seqnum(udev_queue); - - if (start > end) { - err(udev, "seq-start larger than seq-end, ignoring\n"); - start = 0; - end = 0; - } - - if (start > kernel_seq || end > kernel_seq) { - err(udev, "seq-start or seq-end larger than current kernel value, ignoring\n"); - start = 0; - end = 0; - } - info(udev, "start=%llu end=%llu current=%llu\n", start, end, kernel_seq); - } else { - if (end > 0) { - err(udev, "seq-end needs seq-start parameter, ignoring\n"); - end = 0; - } - } - - /* guarantee that the udev daemon isn't pre-processing */ - if (getuid() == 0) { - struct udev_ctrl *uctrl; - - uctrl = udev_ctrl_new(udev); - if (uctrl != NULL) { - if (udev_ctrl_send_ping(uctrl, timeout) < 0) { - info(udev, "no connection to daemon\n"); - udev_ctrl_unref(uctrl); - rc = EXIT_SUCCESS; - goto out; - } - udev_ctrl_unref(uctrl); - } - } - - pfd[0].events = POLLIN; - pfd[0].fd = inotify_init1(IN_CLOEXEC); - if (pfd[0].fd < 0) { - err(udev, "inotify_init failed: %m\n"); - } else { - if (inotify_add_watch(pfd[0].fd, udev_get_run_path(udev), IN_MOVED_TO) < 0) { - err(udev, "watching '%s' failed\n", udev_get_run_path(udev)); - close(pfd[0].fd); - pfd[0].fd = -1; - } - } - - for (;;) { - struct stat statbuf; - - if (exists != NULL && stat(exists, &statbuf) == 0) { - rc = EXIT_SUCCESS; - break; - } - - if (start > 0) { - /* if asked for, wait for a specific sequence of events */ - if (udev_queue_get_seqnum_sequence_is_finished(udev_queue, start, end) == 1) { - rc = EXIT_SUCCESS; - break; - } - } else { - /* exit if queue is empty */ - if (udev_queue_get_queue_is_empty(udev_queue)) { - rc = EXIT_SUCCESS; - break; - } - } - - if (pfd[0].fd >= 0) { - int delay; - - if (exists != NULL || start > 0) - delay = 100; - else - delay = 1000; - /* wake up after delay, or immediately after the queue is rebuilt */ - if (poll(pfd, 1, delay) > 0 && pfd[0].revents & POLLIN) { - char buf[sizeof(struct inotify_event) + PATH_MAX]; - - read(pfd[0].fd, buf, sizeof(buf)); - } - } else { - sleep(1); - } - - if (timeout > 0) { - unsigned long long age_usec; - - age_usec = now_usec() - start_usec; - if (age_usec / (1000 * 1000) >= timeout) { - struct udev_list_entry *list_entry; - - if (!quiet && udev_queue_get_queued_list_entry(udev_queue) != NULL) { - info(udev, "timeout waiting for udev queue\n"); - printf("\nudevadm settle - timeout of %i seconds reached, the event queue contains:\n", timeout); - udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) - printf(" %s (%s)\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - } - - break; - } - } - } + static const struct option options[] = { + { "seq-start", required_argument, NULL, 's' }, + { "seq-end", required_argument, NULL, 'e' }, + { "timeout", required_argument, NULL, 't' }, + { "exit-if-exists", required_argument, NULL, 'E' }, + { "quiet", no_argument, NULL, 'q' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + unsigned long long start_usec = now_usec(); + unsigned long long start = 0; + unsigned long long end = 0; + int quiet = 0; + const char *exists = NULL; + unsigned int timeout = 120; + struct pollfd pfd[1]; + struct udev_queue *udev_queue = NULL; + int rc = EXIT_FAILURE; + + dbg(udev, "version %s\n", VERSION); + + for (;;) { + int option; + int seconds; + + option = getopt_long(argc, argv, "s:e:t:E:qh", options, NULL); + if (option == -1) + break; + + switch (option) { + case 's': + start = strtoull(optarg, NULL, 0); + break; + case 'e': + end = strtoull(optarg, NULL, 0); + break; + case 't': + seconds = atoi(optarg); + if (seconds >= 0) + timeout = seconds; + else + fprintf(stderr, "invalid timeout value\n"); + dbg(udev, "timeout=%i\n", timeout); + break; + case 'q': + quiet = 1; + break; + case 'E': + exists = optarg; + break; + case 'h': + printf("Usage: udevadm settle OPTIONS\n" + " --timeout= maximum time to wait for events\n" + " --seq-start= first seqnum to wait for\n" + " --seq-end= last seqnum to wait for\n" + " --exit-if-exists= stop waiting if file exists\n" + " --quiet do not print list after timeout\n" + " --help\n\n"); + exit(EXIT_SUCCESS); + default: + exit(EXIT_FAILURE); + } + } + + udev_queue = udev_queue_new(udev); + if (udev_queue == NULL) + exit(2); + + if (start > 0) { + unsigned long long kernel_seq; + + kernel_seq = udev_queue_get_kernel_seqnum(udev_queue); + + /* unless specified, the last event is the current kernel seqnum */ + if (end == 0) + end = udev_queue_get_kernel_seqnum(udev_queue); + + if (start > end) { + err(udev, "seq-start larger than seq-end, ignoring\n"); + start = 0; + end = 0; + } + + if (start > kernel_seq || end > kernel_seq) { + err(udev, "seq-start or seq-end larger than current kernel value, ignoring\n"); + start = 0; + end = 0; + } + info(udev, "start=%llu end=%llu current=%llu\n", start, end, kernel_seq); + } else { + if (end > 0) { + err(udev, "seq-end needs seq-start parameter, ignoring\n"); + end = 0; + } + } + + /* guarantee that the udev daemon isn't pre-processing */ + if (getuid() == 0) { + struct udev_ctrl *uctrl; + + uctrl = udev_ctrl_new(udev); + if (uctrl != NULL) { + if (udev_ctrl_send_ping(uctrl, timeout) < 0) { + info(udev, "no connection to daemon\n"); + udev_ctrl_unref(uctrl); + rc = EXIT_SUCCESS; + goto out; + } + udev_ctrl_unref(uctrl); + } + } + + pfd[0].events = POLLIN; + pfd[0].fd = inotify_init1(IN_CLOEXEC); + if (pfd[0].fd < 0) { + err(udev, "inotify_init failed: %m\n"); + } else { + if (inotify_add_watch(pfd[0].fd, udev_get_run_path(udev), IN_MOVED_TO) < 0) { + err(udev, "watching '%s' failed\n", udev_get_run_path(udev)); + close(pfd[0].fd); + pfd[0].fd = -1; + } + } + + for (;;) { + struct stat statbuf; + + if (exists != NULL && stat(exists, &statbuf) == 0) { + rc = EXIT_SUCCESS; + break; + } + + if (start > 0) { + /* if asked for, wait for a specific sequence of events */ + if (udev_queue_get_seqnum_sequence_is_finished(udev_queue, start, end) == 1) { + rc = EXIT_SUCCESS; + break; + } + } else { + /* exit if queue is empty */ + if (udev_queue_get_queue_is_empty(udev_queue)) { + rc = EXIT_SUCCESS; + break; + } + } + + if (pfd[0].fd >= 0) { + int delay; + + if (exists != NULL || start > 0) + delay = 100; + else + delay = 1000; + /* wake up after delay, or immediately after the queue is rebuilt */ + if (poll(pfd, 1, delay) > 0 && pfd[0].revents & POLLIN) { + char buf[sizeof(struct inotify_event) + PATH_MAX]; + + read(pfd[0].fd, buf, sizeof(buf)); + } + } else { + sleep(1); + } + + if (timeout > 0) { + unsigned long long age_usec; + + age_usec = now_usec() - start_usec; + if (age_usec / (1000 * 1000) >= timeout) { + struct udev_list_entry *list_entry; + + if (!quiet && udev_queue_get_queued_list_entry(udev_queue) != NULL) { + info(udev, "timeout waiting for udev queue\n"); + printf("\nudevadm settle - timeout of %i seconds reached, the event queue contains:\n", timeout); + udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) + printf(" %s (%s)\n", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + } + + break; + } + } + } out: - if (pfd[0].fd >= 0) - close(pfd[0].fd); - udev_queue_unref(udev_queue); - return rc; + if (pfd[0].fd >= 0) + close(pfd[0].fd); + udev_queue_unref(udev_queue); + return rc; } const struct udevadm_cmd udevadm_settle = { - .name = "settle", - .cmd = adm_settle, - .help = "wait for the event queue to finish", + .name = "settle", + .cmd = adm_settle, + .help = "wait for the event queue to finish", }; diff --git a/src/udevadm-test-builtin.c b/src/udevadm-test-builtin.c index 253fcd0c8..3a49f7ce9 100644 --- a/src/udevadm-test-builtin.c +++ b/src/udevadm-test-builtin.c @@ -36,93 +36,93 @@ static void help(struct udev *udev) { - fprintf(stderr, "\n"); - fprintf(stderr, "Usage: udevadm builtin [--help] \n"); - udev_builtin_list(udev); - fprintf(stderr, "\n"); + fprintf(stderr, "\n"); + fprintf(stderr, "Usage: udevadm builtin [--help] \n"); + udev_builtin_list(udev); + fprintf(stderr, "\n"); } static int adm_builtin(struct udev *udev, int argc, char *argv[]) { - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - {} - }; - char *command = NULL; - char *syspath = NULL; - char filename[UTIL_PATH_SIZE]; - struct udev_device *dev = NULL; - enum udev_builtin_cmd cmd; - int rc = EXIT_SUCCESS; - - dbg(udev, "version %s\n", VERSION); - - for (;;) { - int option; - - option = getopt_long(argc, argv, "h", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'h': - help(udev); - goto out; - } - } - - command = argv[optind++]; - if (command == NULL) { - fprintf(stderr, "command missing\n"); - help(udev); - rc = 2; - goto out; - } - - syspath = argv[optind++]; - if (syspath == NULL) { - fprintf(stderr, "syspath missing\n\n"); - rc = 3; - goto out; - } - - udev_builtin_init(udev); - - cmd = udev_builtin_lookup(command); - if (cmd >= UDEV_BUILTIN_MAX) { - fprintf(stderr, "unknown command '%s'\n", command); - help(udev); - rc = 5; - goto out; - } - - /* add /sys if needed */ - if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) - util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL); - else - util_strscpy(filename, sizeof(filename), syspath); - util_remove_trailing_chars(filename, '/'); - - dev = udev_device_new_from_syspath(udev, filename); - if (dev == NULL) { - fprintf(stderr, "unable to open device '%s'\n\n", filename); - rc = 4; - goto out; - } - - if (udev_builtin_run(dev, cmd, command, true) < 0) { - fprintf(stderr, "error executing '%s'\n\n", command); - rc = 6; - } + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + {} + }; + char *command = NULL; + char *syspath = NULL; + char filename[UTIL_PATH_SIZE]; + struct udev_device *dev = NULL; + enum udev_builtin_cmd cmd; + int rc = EXIT_SUCCESS; + + dbg(udev, "version %s\n", VERSION); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "h", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'h': + help(udev); + goto out; + } + } + + command = argv[optind++]; + if (command == NULL) { + fprintf(stderr, "command missing\n"); + help(udev); + rc = 2; + goto out; + } + + syspath = argv[optind++]; + if (syspath == NULL) { + fprintf(stderr, "syspath missing\n\n"); + rc = 3; + goto out; + } + + udev_builtin_init(udev); + + cmd = udev_builtin_lookup(command); + if (cmd >= UDEV_BUILTIN_MAX) { + fprintf(stderr, "unknown command '%s'\n", command); + help(udev); + rc = 5; + goto out; + } + + /* add /sys if needed */ + if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) + util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL); + else + util_strscpy(filename, sizeof(filename), syspath); + util_remove_trailing_chars(filename, '/'); + + dev = udev_device_new_from_syspath(udev, filename); + if (dev == NULL) { + fprintf(stderr, "unable to open device '%s'\n\n", filename); + rc = 4; + goto out; + } + + if (udev_builtin_run(dev, cmd, command, true) < 0) { + fprintf(stderr, "error executing '%s'\n\n", command); + rc = 6; + } out: - udev_device_unref(dev); - udev_builtin_exit(udev); - return rc; + udev_device_unref(dev); + udev_builtin_exit(udev); + return rc; } const struct udevadm_cmd udevadm_test_builtin = { - .name = "test-builtin", - .cmd = adm_builtin, - .help = "test a built-in command", - .debug = true, + .name = "test-builtin", + .cmd = adm_builtin, + .help = "test a built-in command", + .debug = true, }; diff --git a/src/udevadm-test.c b/src/udevadm-test.c index 851500527..6275cff89 100644 --- a/src/udevadm-test.c +++ b/src/udevadm-test.c @@ -33,141 +33,141 @@ static int adm_test(struct udev *udev, int argc, char *argv[]) { - int resolve_names = 1; - char filename[UTIL_PATH_SIZE]; - const char *action = "add"; - const char *syspath = NULL; - struct udev_event *event = NULL; - struct udev_device *dev = NULL; - struct udev_rules *rules = NULL; - struct udev_list_entry *entry; - sigset_t mask, sigmask_orig; - int err; - int rc = 0; - - static const struct option options[] = { - { "action", required_argument, NULL, 'a' }, - { "resolve-names", required_argument, NULL, 'N' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - info(udev, "version %s\n", VERSION); - - for (;;) { - int option; - - option = getopt_long(argc, argv, "a:s:N:fh", options, NULL); - if (option == -1) - break; - - dbg(udev, "option '%c'\n", option); - switch (option) { - case 'a': - action = optarg; - break; - case 'N': - if (strcmp (optarg, "early") == 0) { - resolve_names = 1; - } else if (strcmp (optarg, "late") == 0) { - resolve_names = 0; - } else if (strcmp (optarg, "never") == 0) { - resolve_names = -1; - } else { - fprintf(stderr, "resolve-names must be early, late or never\n"); - err(udev, "resolve-names must be early, late or never\n"); - exit(EXIT_FAILURE); - } - break; - case 'h': - printf("Usage: udevadm test OPTIONS \n" - " --action= set action string\n" - " --help\n\n"); - exit(EXIT_SUCCESS); - default: - exit(EXIT_FAILURE); - } - } - syspath = argv[optind]; - - if (syspath == NULL) { - fprintf(stderr, "syspath parameter missing\n"); - rc = 2; - goto out; - } - - printf("This program is for debugging only, it does not run any program,\n" - "specified by a RUN key. It may show incorrect results, because\n" - "some values may be different, or not available at a simulation run.\n" - "\n"); - - sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); - - udev_builtin_init(udev); - - rules = udev_rules_new(udev, resolve_names); - if (rules == NULL) { - fprintf(stderr, "error reading rules\n"); - rc = 3; - goto out; - } - - /* add /sys if needed */ - if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) - util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL); - else - util_strscpy(filename, sizeof(filename), syspath); - util_remove_trailing_chars(filename, '/'); - - dev = udev_device_new_from_syspath(udev, filename); - if (dev == NULL) { - fprintf(stderr, "unable to open device '%s'\n", filename); - rc = 4; - goto out; - } - - /* skip reading of db, but read kernel parameters */ - udev_device_set_info_loaded(dev); - udev_device_read_uevent_file(dev); - - udev_device_set_action(dev, action); - event = udev_event_new(dev); - - sigfillset(&mask); - sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); - event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); - if (event->fd_signal < 0) { - fprintf(stderr, "error creating signalfd\n"); - rc = 5; - goto out; - } - - err = udev_event_execute_rules(event, rules, &sigmask_orig); - - udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) - printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); - - if (err == 0) { - udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) { - char program[UTIL_PATH_SIZE]; - - udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program)); - printf("run: '%s'\n", program); - } - } + int resolve_names = 1; + char filename[UTIL_PATH_SIZE]; + const char *action = "add"; + const char *syspath = NULL; + struct udev_event *event = NULL; + struct udev_device *dev = NULL; + struct udev_rules *rules = NULL; + struct udev_list_entry *entry; + sigset_t mask, sigmask_orig; + int err; + int rc = 0; + + static const struct option options[] = { + { "action", required_argument, NULL, 'a' }, + { "resolve-names", required_argument, NULL, 'N' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + info(udev, "version %s\n", VERSION); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "a:s:N:fh", options, NULL); + if (option == -1) + break; + + dbg(udev, "option '%c'\n", option); + switch (option) { + case 'a': + action = optarg; + break; + case 'N': + if (strcmp (optarg, "early") == 0) { + resolve_names = 1; + } else if (strcmp (optarg, "late") == 0) { + resolve_names = 0; + } else if (strcmp (optarg, "never") == 0) { + resolve_names = -1; + } else { + fprintf(stderr, "resolve-names must be early, late or never\n"); + err(udev, "resolve-names must be early, late or never\n"); + exit(EXIT_FAILURE); + } + break; + case 'h': + printf("Usage: udevadm test OPTIONS \n" + " --action= set action string\n" + " --help\n\n"); + exit(EXIT_SUCCESS); + default: + exit(EXIT_FAILURE); + } + } + syspath = argv[optind]; + + if (syspath == NULL) { + fprintf(stderr, "syspath parameter missing\n"); + rc = 2; + goto out; + } + + printf("This program is for debugging only, it does not run any program,\n" + "specified by a RUN key. It may show incorrect results, because\n" + "some values may be different, or not available at a simulation run.\n" + "\n"); + + sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); + + udev_builtin_init(udev); + + rules = udev_rules_new(udev, resolve_names); + if (rules == NULL) { + fprintf(stderr, "error reading rules\n"); + rc = 3; + goto out; + } + + /* add /sys if needed */ + if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) + util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL); + else + util_strscpy(filename, sizeof(filename), syspath); + util_remove_trailing_chars(filename, '/'); + + dev = udev_device_new_from_syspath(udev, filename); + if (dev == NULL) { + fprintf(stderr, "unable to open device '%s'\n", filename); + rc = 4; + goto out; + } + + /* skip reading of db, but read kernel parameters */ + udev_device_set_info_loaded(dev); + udev_device_read_uevent_file(dev); + + udev_device_set_action(dev, action); + event = udev_event_new(dev); + + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); + event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); + if (event->fd_signal < 0) { + fprintf(stderr, "error creating signalfd\n"); + rc = 5; + goto out; + } + + err = udev_event_execute_rules(event, rules, &sigmask_orig); + + udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) + printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); + + if (err == 0) { + udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) { + char program[UTIL_PATH_SIZE]; + + udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program)); + printf("run: '%s'\n", program); + } + } out: - if (event != NULL && event->fd_signal >= 0) - close(event->fd_signal); - udev_event_unref(event); - udev_device_unref(dev); - udev_rules_unref(rules); - udev_builtin_exit(udev); - return rc; + if (event != NULL && event->fd_signal >= 0) + close(event->fd_signal); + udev_event_unref(event); + udev_device_unref(dev); + udev_rules_unref(rules); + udev_builtin_exit(udev); + return rc; } const struct udevadm_cmd udevadm_test = { - .name = "test", - .cmd = adm_test, - .help = "test an event run", - .debug = true, + .name = "test", + .cmd = adm_test, + .help = "test an event run", + .debug = true, }; diff --git a/src/udevadm-trigger.c b/src/udevadm-trigger.c index 2cee2297d..3cce23dfb 100644 --- a/src/udevadm-trigger.c +++ b/src/udevadm-trigger.c @@ -38,195 +38,195 @@ static int dry_run; static void exec_list(struct udev_enumerate *udev_enumerate, const char *action) { - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - struct udev_list_entry *entry; - - udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) { - char filename[UTIL_PATH_SIZE]; - int fd; - - if (verbose) - printf("%s\n", udev_list_entry_get_name(entry)); - if (dry_run) - continue; - util_strscpyl(filename, sizeof(filename), udev_list_entry_get_name(entry), "/uevent", NULL); - fd = open(filename, O_WRONLY); - if (fd < 0) { - dbg(udev, "error on opening %s: %m\n", filename); - continue; - } - if (write(fd, action, strlen(action)) < 0) - info(udev, "error writing '%s' to '%s': %m\n", action, filename); - close(fd); - } + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + struct udev_list_entry *entry; + + udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) { + char filename[UTIL_PATH_SIZE]; + int fd; + + if (verbose) + printf("%s\n", udev_list_entry_get_name(entry)); + if (dry_run) + continue; + util_strscpyl(filename, sizeof(filename), udev_list_entry_get_name(entry), "/uevent", NULL); + fd = open(filename, O_WRONLY); + if (fd < 0) { + dbg(udev, "error on opening %s: %m\n", filename); + continue; + } + if (write(fd, action, strlen(action)) < 0) + info(udev, "error writing '%s' to '%s': %m\n", action, filename); + close(fd); + } } static const char *keyval(const char *str, const char **val, char *buf, size_t size) { - char *pos; - - util_strscpy(buf, size,str); - pos = strchr(buf, '='); - if (pos != NULL) { - pos[0] = 0; - pos++; - } - *val = pos; - return buf; + char *pos; + + util_strscpy(buf, size,str); + pos = strchr(buf, '='); + if (pos != NULL) { + pos[0] = 0; + pos++; + } + *val = pos; + return buf; } static int adm_trigger(struct udev *udev, int argc, char *argv[]) { - static const struct option options[] = { - { "verbose", no_argument, NULL, 'v' }, - { "dry-run", no_argument, NULL, 'n' }, - { "type", required_argument, NULL, 't' }, - { "action", required_argument, NULL, 'c' }, - { "subsystem-match", required_argument, NULL, 's' }, - { "subsystem-nomatch", required_argument, NULL, 'S' }, - { "attr-match", required_argument, NULL, 'a' }, - { "attr-nomatch", required_argument, NULL, 'A' }, - { "property-match", required_argument, NULL, 'p' }, - { "tag-match", required_argument, NULL, 'g' }, - { "sysname-match", required_argument, NULL, 'y' }, - { "parent-match", required_argument, NULL, 'b' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - enum { - TYPE_DEVICES, - TYPE_SUBSYSTEMS, - } device_type = TYPE_DEVICES; - const char *action = "change"; - struct udev_enumerate *udev_enumerate; - int rc = 0; - - dbg(udev, "version %s\n", VERSION); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) { - rc = 1; - goto exit; - } - - for (;;) { - int option; - const char *key; - const char *val; - char buf[UTIL_PATH_SIZE]; - - option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'v': - verbose = 1; - break; - case 'n': - dry_run = 1; - break; - case 't': - if (strcmp(optarg, "devices") == 0) { - device_type = TYPE_DEVICES; - } else if (strcmp(optarg, "subsystems") == 0) { - device_type = TYPE_SUBSYSTEMS; - } else { - err(udev, "unknown type --type=%s\n", optarg); - rc = 2; - goto exit; - } - break; - case 'c': - action = optarg; - break; - case 's': - udev_enumerate_add_match_subsystem(udev_enumerate, optarg); - break; - case 'S': - udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg); - break; - case 'a': - key = keyval(optarg, &val, buf, sizeof(buf)); - udev_enumerate_add_match_sysattr(udev_enumerate, key, val); - break; - case 'A': - key = keyval(optarg, &val, buf, sizeof(buf)); - udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val); - break; - case 'p': - key = keyval(optarg, &val, buf, sizeof(buf)); - udev_enumerate_add_match_property(udev_enumerate, key, val); - break; - case 'g': - udev_enumerate_add_match_tag(udev_enumerate, optarg); - break; - case 'y': - udev_enumerate_add_match_sysname(udev_enumerate, optarg); - break; - case 'b': { - char path[UTIL_PATH_SIZE]; - struct udev_device *dev; - - /* add sys dir if needed */ - if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) - util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL); - else - util_strscpy(path, sizeof(path), optarg); - util_remove_trailing_chars(path, '/'); - dev = udev_device_new_from_syspath(udev, path); - if (dev == NULL) { - err(udev, "unable to open the device '%s'\n", optarg); - rc = 2; - goto exit; - } - udev_enumerate_add_match_parent(udev_enumerate, dev); - /* drop reference immediately, enumerate pins the device as long as needed */ - udev_device_unref(dev); - break; - } - case 'h': - printf("Usage: udevadm trigger OPTIONS\n" - " --verbose print the list of devices while running\n" - " --dry-run do not actually trigger the events\n" - " --type= type of events to trigger\n" - " devices sys devices (default)\n" - " subsystems sys subsystems and drivers\n" - " --action= event action value, default is \"change\"\n" - " --subsystem-match= trigger devices from a matching subsystem\n" - " --subsystem-nomatch= exclude devices from a matching subsystem\n" - " --attr-match=]> trigger devices with a matching attribute\n" - " --attr-nomatch=]> exclude devices with a matching attribute\n" - " --property-match== trigger devices with a matching property\n" - " --tag-match== trigger devices with a matching property\n" - " --sysname-match= trigger devices with a matching name\n" - " --parent-match= trigger devices with that parent device\n" - " --help\n\n"); - goto exit; - default: - rc = 1; - goto exit; - } - } - - switch (device_type) { - case TYPE_SUBSYSTEMS: - udev_enumerate_scan_subsystems(udev_enumerate); - exec_list(udev_enumerate, action); - goto exit; - case TYPE_DEVICES: - udev_enumerate_scan_devices(udev_enumerate); - exec_list(udev_enumerate, action); - goto exit; - default: - goto exit; - } + static const struct option options[] = { + { "verbose", no_argument, NULL, 'v' }, + { "dry-run", no_argument, NULL, 'n' }, + { "type", required_argument, NULL, 't' }, + { "action", required_argument, NULL, 'c' }, + { "subsystem-match", required_argument, NULL, 's' }, + { "subsystem-nomatch", required_argument, NULL, 'S' }, + { "attr-match", required_argument, NULL, 'a' }, + { "attr-nomatch", required_argument, NULL, 'A' }, + { "property-match", required_argument, NULL, 'p' }, + { "tag-match", required_argument, NULL, 'g' }, + { "sysname-match", required_argument, NULL, 'y' }, + { "parent-match", required_argument, NULL, 'b' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + enum { + TYPE_DEVICES, + TYPE_SUBSYSTEMS, + } device_type = TYPE_DEVICES; + const char *action = "change"; + struct udev_enumerate *udev_enumerate; + int rc = 0; + + dbg(udev, "version %s\n", VERSION); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) { + rc = 1; + goto exit; + } + + for (;;) { + int option; + const char *key; + const char *val; + char buf[UTIL_PATH_SIZE]; + + option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'v': + verbose = 1; + break; + case 'n': + dry_run = 1; + break; + case 't': + if (strcmp(optarg, "devices") == 0) { + device_type = TYPE_DEVICES; + } else if (strcmp(optarg, "subsystems") == 0) { + device_type = TYPE_SUBSYSTEMS; + } else { + err(udev, "unknown type --type=%s\n", optarg); + rc = 2; + goto exit; + } + break; + case 'c': + action = optarg; + break; + case 's': + udev_enumerate_add_match_subsystem(udev_enumerate, optarg); + break; + case 'S': + udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg); + break; + case 'a': + key = keyval(optarg, &val, buf, sizeof(buf)); + udev_enumerate_add_match_sysattr(udev_enumerate, key, val); + break; + case 'A': + key = keyval(optarg, &val, buf, sizeof(buf)); + udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val); + break; + case 'p': + key = keyval(optarg, &val, buf, sizeof(buf)); + udev_enumerate_add_match_property(udev_enumerate, key, val); + break; + case 'g': + udev_enumerate_add_match_tag(udev_enumerate, optarg); + break; + case 'y': + udev_enumerate_add_match_sysname(udev_enumerate, optarg); + break; + case 'b': { + char path[UTIL_PATH_SIZE]; + struct udev_device *dev; + + /* add sys dir if needed */ + if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) + util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL); + else + util_strscpy(path, sizeof(path), optarg); + util_remove_trailing_chars(path, '/'); + dev = udev_device_new_from_syspath(udev, path); + if (dev == NULL) { + err(udev, "unable to open the device '%s'\n", optarg); + rc = 2; + goto exit; + } + udev_enumerate_add_match_parent(udev_enumerate, dev); + /* drop reference immediately, enumerate pins the device as long as needed */ + udev_device_unref(dev); + break; + } + case 'h': + printf("Usage: udevadm trigger OPTIONS\n" + " --verbose print the list of devices while running\n" + " --dry-run do not actually trigger the events\n" + " --type= type of events to trigger\n" + " devices sys devices (default)\n" + " subsystems sys subsystems and drivers\n" + " --action= event action value, default is \"change\"\n" + " --subsystem-match= trigger devices from a matching subsystem\n" + " --subsystem-nomatch= exclude devices from a matching subsystem\n" + " --attr-match=]> trigger devices with a matching attribute\n" + " --attr-nomatch=]> exclude devices with a matching attribute\n" + " --property-match== trigger devices with a matching property\n" + " --tag-match== trigger devices with a matching property\n" + " --sysname-match= trigger devices with a matching name\n" + " --parent-match= trigger devices with that parent device\n" + " --help\n\n"); + goto exit; + default: + rc = 1; + goto exit; + } + } + + switch (device_type) { + case TYPE_SUBSYSTEMS: + udev_enumerate_scan_subsystems(udev_enumerate); + exec_list(udev_enumerate, action); + goto exit; + case TYPE_DEVICES: + udev_enumerate_scan_devices(udev_enumerate); + exec_list(udev_enumerate, action); + goto exit; + default: + goto exit; + } exit: - udev_enumerate_unref(udev_enumerate); - return rc; + udev_enumerate_unref(udev_enumerate); + return rc; } const struct udevadm_cmd udevadm_trigger = { - .name = "trigger", - .cmd = adm_trigger, - .help = "request events from the kernel", + .name = "trigger", + .cmd = adm_trigger, + .help = "request events from the kernel", }; diff --git a/src/udevadm.c b/src/udevadm.c index 5410f00c0..224ece0bb 100644 --- a/src/udevadm.c +++ b/src/udevadm.c @@ -28,138 +28,138 @@ static bool debug; void udev_main_log(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - if (debug) { - fprintf(stderr, "%s: ", fn); - vfprintf(stderr, format, args); - } else { - va_list args2; - - va_copy(args2, args); - vfprintf(stderr, format, args2); - va_end(args2); - vsyslog(priority, format, args); - } + if (debug) { + fprintf(stderr, "%s: ", fn); + vfprintf(stderr, format, args); + } else { + va_list args2; + + va_copy(args2, args); + vfprintf(stderr, format, args2); + va_end(args2); + vsyslog(priority, format, args); + } } static int adm_version(struct udev *udev, int argc, char *argv[]) { - printf("%s\n", VERSION); - return 0; + printf("%s\n", VERSION); + return 0; } static const struct udevadm_cmd udevadm_version = { - .name = "version", - .cmd = adm_version, + .name = "version", + .cmd = adm_version, }; static int adm_help(struct udev *udev, int argc, char *argv[]); static const struct udevadm_cmd udevadm_help = { - .name = "help", - .cmd = adm_help, + .name = "help", + .cmd = adm_help, }; static const struct udevadm_cmd *udevadm_cmds[] = { - &udevadm_info, - &udevadm_trigger, - &udevadm_settle, - &udevadm_control, - &udevadm_monitor, - &udevadm_test, - &udevadm_test_builtin, - &udevadm_version, - &udevadm_help, + &udevadm_info, + &udevadm_trigger, + &udevadm_settle, + &udevadm_control, + &udevadm_monitor, + &udevadm_test, + &udevadm_test_builtin, + &udevadm_version, + &udevadm_help, }; static int adm_help(struct udev *udev, int argc, char *argv[]) { - unsigned int i; - - fprintf(stderr, "Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n"); - for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) - if (udevadm_cmds[i]->help != NULL) - printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help); - fprintf(stderr, "\n"); - return 0; + unsigned int i; + + fprintf(stderr, "Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n"); + for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) + if (udevadm_cmds[i]->help != NULL) + printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help); + fprintf(stderr, "\n"); + return 0; } static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int argc, char *argv[]) { - if (cmd->debug) { - debug = true; - if (udev_get_log_priority(udev) < LOG_INFO) - udev_set_log_priority(udev, LOG_INFO); - } - info(udev, "calling: %s\n", cmd->name); - return cmd->cmd(udev, argc, argv); + if (cmd->debug) { + debug = true; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + } + info(udev, "calling: %s\n", cmd->name); + return cmd->cmd(udev, argc, argv); } int main(int argc, char *argv[]) { - struct udev *udev; - static const struct option options[] = { - { "debug", no_argument, NULL, 'd' }, - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, 'V' }, - {} - }; - const char *command; - unsigned int i; - int rc = 1; - - udev = udev_new(); - if (udev == NULL) - goto out; - - udev_log_init("udevadm"); - udev_set_log_fn(udev, udev_main_log); - udev_selinux_init(udev); - - for (;;) { - int option; - - option = getopt_long(argc, argv, "+dhV", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'd': - debug = true; - if (udev_get_log_priority(udev) < LOG_INFO) - udev_set_log_priority(udev, LOG_INFO); - break; - case 'h': - rc = adm_help(udev, argc, argv); - goto out; - case 'V': - rc = adm_version(udev, argc, argv); - goto out; - default: - goto out; - } - } - command = argv[optind]; - - info(udev, "runtime dir '%s'\n", udev_get_run_path(udev)); - - if (command != NULL) - for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) { - if (strcmp(udevadm_cmds[i]->name, command) == 0) { - argc -= optind; - argv += optind; - optind = 0; - rc = run_command(udev, udevadm_cmds[i], argc, argv); - goto out; - } - } - - fprintf(stderr, "missing or unknown command\n\n"); - adm_help(udev, argc, argv); - rc = 2; + struct udev *udev; + static const struct option options[] = { + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + {} + }; + const char *command; + unsigned int i; + int rc = 1; + + udev = udev_new(); + if (udev == NULL) + goto out; + + udev_log_init("udevadm"); + udev_set_log_fn(udev, udev_main_log); + udev_selinux_init(udev); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "+dhV", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'd': + debug = true; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'h': + rc = adm_help(udev, argc, argv); + goto out; + case 'V': + rc = adm_version(udev, argc, argv); + goto out; + default: + goto out; + } + } + command = argv[optind]; + + info(udev, "runtime dir '%s'\n", udev_get_run_path(udev)); + + if (command != NULL) + for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) { + if (strcmp(udevadm_cmds[i]->name, command) == 0) { + argc -= optind; + argv += optind; + optind = 0; + rc = run_command(udev, udevadm_cmds[i], argc, argv); + goto out; + } + } + + fprintf(stderr, "missing or unknown command\n\n"); + adm_help(udev, argc, argv); + rc = 2; out: - udev_selinux_exit(udev); - udev_unref(udev); - udev_log_close(); - return rc; + udev_selinux_exit(udev); + udev_unref(udev); + udev_log_close(); + return rc; } diff --git a/src/udevd.c b/src/udevd.c index b88213e5b..11ab19a31 100644 --- a/src/udevd.c +++ b/src/udevd.c @@ -50,21 +50,21 @@ static bool debug; void udev_main_log(struct udev *udev, int priority, - const char *file, int line, const char *fn, - const char *format, va_list args) + const char *file, int line, const char *fn, + const char *format, va_list args) { - if (debug) { - char buf[1024]; - struct timespec ts; - - vsnprintf(buf, sizeof(buf), format, args); - clock_gettime(CLOCK_MONOTONIC, &ts); - fprintf(stderr, "[%llu.%06u] [%u] %s: %s", - (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000, - (int) getpid(), fn, buf); - } else { - vsyslog(priority, format, args); - } + if (debug) { + char buf[1024]; + struct timespec ts; + + vsnprintf(buf, sizeof(buf), format, args); + clock_gettime(CLOCK_MONOTONIC, &ts); + fprintf(stderr, "[%llu.%06u] [%u] %s: %s", + (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000, + (int) getpid(), fn, buf); + } else { + vsyslog(priority, format, args); + } } static struct udev_rules *rules; @@ -86,1623 +86,1623 @@ static UDEV_LIST(worker_list); static bool udev_exit; enum event_state { - EVENT_UNDEF, - EVENT_QUEUED, - EVENT_RUNNING, + EVENT_UNDEF, + EVENT_QUEUED, + EVENT_RUNNING, }; struct event { - struct udev_list_node node; - struct udev *udev; - struct udev_device *dev; - enum event_state state; - int exitcode; - unsigned long long int delaying_seqnum; - unsigned long long int seqnum; - const char *devpath; - size_t devpath_len; - const char *devpath_old; - dev_t devnum; - bool is_block; - int ifindex; + struct udev_list_node node; + struct udev *udev; + struct udev_device *dev; + enum event_state state; + int exitcode; + unsigned long long int delaying_seqnum; + unsigned long long int seqnum; + const char *devpath; + size_t devpath_len; + const char *devpath_old; + dev_t devnum; + bool is_block; + int ifindex; }; static struct event *node_to_event(struct udev_list_node *node) { - char *event; + char *event; - event = (char *)node; - event -= offsetof(struct event, node); - return (struct event *)event; + event = (char *)node; + event -= offsetof(struct event, node); + return (struct event *)event; } static void event_queue_cleanup(struct udev *udev, enum event_state type); enum worker_state { - WORKER_UNDEF, - WORKER_RUNNING, - WORKER_IDLE, - WORKER_KILLED, + WORKER_UNDEF, + WORKER_RUNNING, + WORKER_IDLE, + WORKER_KILLED, }; struct worker { - struct udev_list_node node; - struct udev *udev; - int refcount; - pid_t pid; - struct udev_monitor *monitor; - enum worker_state state; - struct event *event; + struct udev_list_node node; + struct udev *udev; + int refcount; + pid_t pid; + struct udev_monitor *monitor; + enum worker_state state; + struct event *event; }; /* passed from worker to main process */ struct worker_message { - pid_t pid; - int exitcode; + pid_t pid; + int exitcode; }; static struct worker *node_to_worker(struct udev_list_node *node) { - char *worker; + char *worker; - worker = (char *)node; - worker -= offsetof(struct worker, node); - return (struct worker *)worker; + worker = (char *)node; + worker -= offsetof(struct worker, node); + return (struct worker *)worker; } static void event_queue_delete(struct event *event, bool export) { - udev_list_node_remove(&event->node); - - if (export) { - udev_queue_export_device_finished(udev_queue_export, event->dev); - info(event->udev, "seq %llu done with %i\n", udev_device_get_seqnum(event->dev), event->exitcode); - } - udev_device_unref(event->dev); - free(event); + udev_list_node_remove(&event->node); + + if (export) { + udev_queue_export_device_finished(udev_queue_export, event->dev); + info(event->udev, "seq %llu done with %i\n", udev_device_get_seqnum(event->dev), event->exitcode); + } + udev_device_unref(event->dev); + free(event); } static struct worker *worker_ref(struct worker *worker) { - worker->refcount++; - return worker; + worker->refcount++; + return worker; } static void worker_cleanup(struct worker *worker) { - udev_list_node_remove(&worker->node); - udev_monitor_unref(worker->monitor); - children--; - free(worker); + udev_list_node_remove(&worker->node); + udev_monitor_unref(worker->monitor); + children--; + free(worker); } static void worker_unref(struct worker *worker) { - worker->refcount--; - if (worker->refcount > 0) - return; - info(worker->udev, "worker [%u] cleaned up\n", worker->pid); - worker_cleanup(worker); + worker->refcount--; + if (worker->refcount > 0) + return; + info(worker->udev, "worker [%u] cleaned up\n", worker->pid); + worker_cleanup(worker); } static void worker_list_cleanup(struct udev *udev) { - struct udev_list_node *loop, *tmp; + struct udev_list_node *loop, *tmp; - udev_list_node_foreach_safe(loop, tmp, &worker_list) { - struct worker *worker = node_to_worker(loop); + udev_list_node_foreach_safe(loop, tmp, &worker_list) { + struct worker *worker = node_to_worker(loop); - worker_cleanup(worker); - } + worker_cleanup(worker); + } } static void worker_new(struct event *event) { - struct udev *udev = event->udev; - struct worker *worker; - struct udev_monitor *worker_monitor; - pid_t pid; - - /* listen for new events */ - worker_monitor = udev_monitor_new_from_netlink(udev, NULL); - if (worker_monitor == NULL) - return; - /* allow the main daemon netlink address to send devices to the worker */ - udev_monitor_allow_unicast_sender(worker_monitor, monitor); - udev_monitor_enable_receiving(worker_monitor); - - worker = calloc(1, sizeof(struct worker)); - if (worker == NULL) { - udev_monitor_unref(worker_monitor); - return; - } - /* worker + event reference */ - worker->refcount = 2; - worker->udev = udev; - - pid = fork(); - switch (pid) { - case 0: { - struct udev_device *dev = NULL; - int fd_monitor; - struct epoll_event ep_signal, ep_monitor; - sigset_t mask; - int rc = EXIT_SUCCESS; - - /* move initial device from queue */ - dev = event->dev; - event->dev = NULL; - - free(worker); - worker_list_cleanup(udev); - event_queue_cleanup(udev, EVENT_UNDEF); - udev_queue_export_unref(udev_queue_export); - udev_monitor_unref(monitor); - udev_ctrl_unref(udev_ctrl); - close(fd_signal); - close(fd_ep); - close(worker_watch[READ_END]); - - sigfillset(&mask); - fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); - if (fd_signal < 0) { - err(udev, "error creating signalfd %m\n"); - rc = 2; - goto out; - } - - fd_ep = epoll_create1(EPOLL_CLOEXEC); - if (fd_ep < 0) { - err(udev, "error creating epoll fd: %m\n"); - rc = 3; - goto out; - } - - memset(&ep_signal, 0, sizeof(struct epoll_event)); - ep_signal.events = EPOLLIN; - ep_signal.data.fd = fd_signal; - - fd_monitor = udev_monitor_get_fd(worker_monitor); - memset(&ep_monitor, 0, sizeof(struct epoll_event)); - ep_monitor.events = EPOLLIN; - ep_monitor.data.fd = fd_monitor; - - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 || - epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_monitor, &ep_monitor) < 0) { - err(udev, "fail to add fds to epoll: %m\n"); - rc = 4; - goto out; - } - - /* request TERM signal if parent exits */ - prctl(PR_SET_PDEATHSIG, SIGTERM); - - for (;;) { - struct udev_event *udev_event; - struct worker_message msg; - int err; - - info(udev, "seq %llu running\n", udev_device_get_seqnum(dev)); - udev_event = udev_event_new(dev); - if (udev_event == NULL) { - rc = 5; - goto out; - } - - /* needed for SIGCHLD/SIGTERM in spawn() */ - udev_event->fd_signal = fd_signal; - - if (exec_delay > 0) - udev_event->exec_delay = exec_delay; - - /* apply rules, create node, symlinks */ - err = udev_event_execute_rules(udev_event, rules, &sigmask_orig); - - if (err == 0) - udev_event_execute_run(udev_event, &sigmask_orig); - - /* apply/restore inotify watch */ - if (err == 0 && udev_event->inotify_watch) { - udev_watch_begin(udev, dev); - udev_device_update_db(dev); - } - - /* send processed event back to libudev listeners */ - udev_monitor_send_device(worker_monitor, NULL, dev); - - /* send udevd the result of the event execution */ - memset(&msg, 0, sizeof(struct worker_message)); - if (err != 0) - msg.exitcode = err; - msg.pid = getpid(); - send(worker_watch[WRITE_END], &msg, sizeof(struct worker_message), 0); - - info(udev, "seq %llu processed with %i\n", udev_device_get_seqnum(dev), err); - - udev_device_unref(dev); - dev = NULL; - - if (udev_event->sigterm) { - udev_event_unref(udev_event); - goto out; - } - - udev_event_unref(udev_event); - - /* wait for more device messages from main udevd, or term signal */ - while (dev == NULL) { - struct epoll_event ev[4]; - int fdcount; - int i; - - fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); - if (fdcount < 0) { - if (errno == EINTR) - continue; - err = -errno; - err(udev, "failed to poll: %m\n"); - goto out; - } - - for (i = 0; i < fdcount; i++) { - if (ev[i].data.fd == fd_monitor && ev[i].events & EPOLLIN) { - dev = udev_monitor_receive_device(worker_monitor); - break; - } else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN) { - struct signalfd_siginfo fdsi; - ssize_t size; - - size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo)); - if (size != sizeof(struct signalfd_siginfo)) - continue; - switch (fdsi.ssi_signo) { - case SIGTERM: - goto out; - } - } - } - } - } + struct udev *udev = event->udev; + struct worker *worker; + struct udev_monitor *worker_monitor; + pid_t pid; + + /* listen for new events */ + worker_monitor = udev_monitor_new_from_netlink(udev, NULL); + if (worker_monitor == NULL) + return; + /* allow the main daemon netlink address to send devices to the worker */ + udev_monitor_allow_unicast_sender(worker_monitor, monitor); + udev_monitor_enable_receiving(worker_monitor); + + worker = calloc(1, sizeof(struct worker)); + if (worker == NULL) { + udev_monitor_unref(worker_monitor); + return; + } + /* worker + event reference */ + worker->refcount = 2; + worker->udev = udev; + + pid = fork(); + switch (pid) { + case 0: { + struct udev_device *dev = NULL; + int fd_monitor; + struct epoll_event ep_signal, ep_monitor; + sigset_t mask; + int rc = EXIT_SUCCESS; + + /* move initial device from queue */ + dev = event->dev; + event->dev = NULL; + + free(worker); + worker_list_cleanup(udev); + event_queue_cleanup(udev, EVENT_UNDEF); + udev_queue_export_unref(udev_queue_export); + udev_monitor_unref(monitor); + udev_ctrl_unref(udev_ctrl); + close(fd_signal); + close(fd_ep); + close(worker_watch[READ_END]); + + sigfillset(&mask); + fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); + if (fd_signal < 0) { + err(udev, "error creating signalfd %m\n"); + rc = 2; + goto out; + } + + fd_ep = epoll_create1(EPOLL_CLOEXEC); + if (fd_ep < 0) { + err(udev, "error creating epoll fd: %m\n"); + rc = 3; + goto out; + } + + memset(&ep_signal, 0, sizeof(struct epoll_event)); + ep_signal.events = EPOLLIN; + ep_signal.data.fd = fd_signal; + + fd_monitor = udev_monitor_get_fd(worker_monitor); + memset(&ep_monitor, 0, sizeof(struct epoll_event)); + ep_monitor.events = EPOLLIN; + ep_monitor.data.fd = fd_monitor; + + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 || + epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_monitor, &ep_monitor) < 0) { + err(udev, "fail to add fds to epoll: %m\n"); + rc = 4; + goto out; + } + + /* request TERM signal if parent exits */ + prctl(PR_SET_PDEATHSIG, SIGTERM); + + for (;;) { + struct udev_event *udev_event; + struct worker_message msg; + int err; + + info(udev, "seq %llu running\n", udev_device_get_seqnum(dev)); + udev_event = udev_event_new(dev); + if (udev_event == NULL) { + rc = 5; + goto out; + } + + /* needed for SIGCHLD/SIGTERM in spawn() */ + udev_event->fd_signal = fd_signal; + + if (exec_delay > 0) + udev_event->exec_delay = exec_delay; + + /* apply rules, create node, symlinks */ + err = udev_event_execute_rules(udev_event, rules, &sigmask_orig); + + if (err == 0) + udev_event_execute_run(udev_event, &sigmask_orig); + + /* apply/restore inotify watch */ + if (err == 0 && udev_event->inotify_watch) { + udev_watch_begin(udev, dev); + udev_device_update_db(dev); + } + + /* send processed event back to libudev listeners */ + udev_monitor_send_device(worker_monitor, NULL, dev); + + /* send udevd the result of the event execution */ + memset(&msg, 0, sizeof(struct worker_message)); + if (err != 0) + msg.exitcode = err; + msg.pid = getpid(); + send(worker_watch[WRITE_END], &msg, sizeof(struct worker_message), 0); + + info(udev, "seq %llu processed with %i\n", udev_device_get_seqnum(dev), err); + + udev_device_unref(dev); + dev = NULL; + + if (udev_event->sigterm) { + udev_event_unref(udev_event); + goto out; + } + + udev_event_unref(udev_event); + + /* wait for more device messages from main udevd, or term signal */ + while (dev == NULL) { + struct epoll_event ev[4]; + int fdcount; + int i; + + fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); + if (fdcount < 0) { + if (errno == EINTR) + continue; + err = -errno; + err(udev, "failed to poll: %m\n"); + goto out; + } + + for (i = 0; i < fdcount; i++) { + if (ev[i].data.fd == fd_monitor && ev[i].events & EPOLLIN) { + dev = udev_monitor_receive_device(worker_monitor); + break; + } else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN) { + struct signalfd_siginfo fdsi; + ssize_t size; + + size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo)); + if (size != sizeof(struct signalfd_siginfo)) + continue; + switch (fdsi.ssi_signo) { + case SIGTERM: + goto out; + } + } + } + } + } out: - udev_device_unref(dev); - if (fd_signal >= 0) - close(fd_signal); - if (fd_ep >= 0) - close(fd_ep); - close(fd_inotify); - close(worker_watch[WRITE_END]); - udev_rules_unref(rules); - udev_monitor_unref(worker_monitor); - udev_unref(udev); - udev_log_close(); - exit(rc); - } - case -1: - udev_monitor_unref(worker_monitor); - event->state = EVENT_QUEUED; - free(worker); - err(udev, "fork of child failed: %m\n"); - break; - default: - /* close monitor, but keep address around */ - udev_monitor_disconnect(worker_monitor); - worker->monitor = worker_monitor; - worker->pid = pid; - worker->state = WORKER_RUNNING; - worker->event = event; - event->state = EVENT_RUNNING; - udev_list_node_append(&worker->node, &worker_list); - children++; - info(udev, "seq %llu forked new worker [%u]\n", udev_device_get_seqnum(event->dev), pid); - break; - } + udev_device_unref(dev); + if (fd_signal >= 0) + close(fd_signal); + if (fd_ep >= 0) + close(fd_ep); + close(fd_inotify); + close(worker_watch[WRITE_END]); + udev_rules_unref(rules); + udev_monitor_unref(worker_monitor); + udev_unref(udev); + udev_log_close(); + exit(rc); + } + case -1: + udev_monitor_unref(worker_monitor); + event->state = EVENT_QUEUED; + free(worker); + err(udev, "fork of child failed: %m\n"); + break; + default: + /* close monitor, but keep address around */ + udev_monitor_disconnect(worker_monitor); + worker->monitor = worker_monitor; + worker->pid = pid; + worker->state = WORKER_RUNNING; + worker->event = event; + event->state = EVENT_RUNNING; + udev_list_node_append(&worker->node, &worker_list); + children++; + info(udev, "seq %llu forked new worker [%u]\n", udev_device_get_seqnum(event->dev), pid); + break; + } } static void event_run(struct event *event) { - struct udev_list_node *loop; - - udev_list_node_foreach(loop, &worker_list) { - struct worker *worker = node_to_worker(loop); - ssize_t count; - - if (worker->state != WORKER_IDLE) - continue; - - count = udev_monitor_send_device(monitor, worker->monitor, event->dev); - if (count < 0) { - err(event->udev, "worker [%u] did not accept message %zi (%m), kill it\n", worker->pid, count); - kill(worker->pid, SIGKILL); - worker->state = WORKER_KILLED; - continue; - } - worker_ref(worker); - worker->event = event; - worker->state = WORKER_RUNNING; - event->state = EVENT_RUNNING; - return; - } - - if (children >= children_max) { - if (children_max > 1) - info(event->udev, "maximum number (%i) of children reached\n", children); - return; - } - - /* start new worker and pass initial device */ - worker_new(event); + struct udev_list_node *loop; + + udev_list_node_foreach(loop, &worker_list) { + struct worker *worker = node_to_worker(loop); + ssize_t count; + + if (worker->state != WORKER_IDLE) + continue; + + count = udev_monitor_send_device(monitor, worker->monitor, event->dev); + if (count < 0) { + err(event->udev, "worker [%u] did not accept message %zi (%m), kill it\n", worker->pid, count); + kill(worker->pid, SIGKILL); + worker->state = WORKER_KILLED; + continue; + } + worker_ref(worker); + worker->event = event; + worker->state = WORKER_RUNNING; + event->state = EVENT_RUNNING; + return; + } + + if (children >= children_max) { + if (children_max > 1) + info(event->udev, "maximum number (%i) of children reached\n", children); + return; + } + + /* start new worker and pass initial device */ + worker_new(event); } static int event_queue_insert(struct udev_device *dev) { - struct event *event; - - event = calloc(1, sizeof(struct event)); - if (event == NULL) - return -1; - - event->udev = udev_device_get_udev(dev); - event->dev = dev; - event->seqnum = udev_device_get_seqnum(dev); - event->devpath = udev_device_get_devpath(dev); - event->devpath_len = strlen(event->devpath); - event->devpath_old = udev_device_get_devpath_old(dev); - event->devnum = udev_device_get_devnum(dev); - event->is_block = (strcmp("block", udev_device_get_subsystem(dev)) == 0); - event->ifindex = udev_device_get_ifindex(dev); - - udev_queue_export_device_queued(udev_queue_export, dev); - info(event->udev, "seq %llu queued, '%s' '%s'\n", udev_device_get_seqnum(dev), - udev_device_get_action(dev), udev_device_get_subsystem(dev)); - - event->state = EVENT_QUEUED; - udev_list_node_append(&event->node, &event_list); - return 0; + struct event *event; + + event = calloc(1, sizeof(struct event)); + if (event == NULL) + return -1; + + event->udev = udev_device_get_udev(dev); + event->dev = dev; + event->seqnum = udev_device_get_seqnum(dev); + event->devpath = udev_device_get_devpath(dev); + event->devpath_len = strlen(event->devpath); + event->devpath_old = udev_device_get_devpath_old(dev); + event->devnum = udev_device_get_devnum(dev); + event->is_block = (strcmp("block", udev_device_get_subsystem(dev)) == 0); + event->ifindex = udev_device_get_ifindex(dev); + + udev_queue_export_device_queued(udev_queue_export, dev); + info(event->udev, "seq %llu queued, '%s' '%s'\n", udev_device_get_seqnum(dev), + udev_device_get_action(dev), udev_device_get_subsystem(dev)); + + event->state = EVENT_QUEUED; + udev_list_node_append(&event->node, &event_list); + return 0; } static void worker_kill(struct udev *udev, int retain) { - struct udev_list_node *loop; - int max; + struct udev_list_node *loop; + int max; - if (children <= retain) - return; + if (children <= retain) + return; - max = children - retain; + max = children - retain; - udev_list_node_foreach(loop, &worker_list) { - struct worker *worker = node_to_worker(loop); + udev_list_node_foreach(loop, &worker_list) { + struct worker *worker = node_to_worker(loop); - if (max-- <= 0) - break; + if (max-- <= 0) + break; - if (worker->state == WORKER_KILLED) - continue; + if (worker->state == WORKER_KILLED) + continue; - worker->state = WORKER_KILLED; - kill(worker->pid, SIGTERM); - } + worker->state = WORKER_KILLED; + kill(worker->pid, SIGTERM); + } } /* lookup event for identical, parent, child device */ static bool is_devpath_busy(struct event *event) { - struct udev_list_node *loop; - size_t common; - - /* check if queue contains events we depend on */ - udev_list_node_foreach(loop, &event_list) { - struct event *loop_event = node_to_event(loop); - - /* we already found a later event, earlier can not block us, no need to check again */ - if (loop_event->seqnum < event->delaying_seqnum) - continue; - - /* event we checked earlier still exists, no need to check again */ - if (loop_event->seqnum == event->delaying_seqnum) - return true; - - /* found ourself, no later event can block us */ - if (loop_event->seqnum >= event->seqnum) - break; - - /* check major/minor */ - if (major(event->devnum) != 0 && event->devnum == loop_event->devnum && event->is_block == loop_event->is_block) - return true; - - /* check network device ifindex */ - if (event->ifindex != 0 && event->ifindex == loop_event->ifindex) - return true; - - /* check our old name */ - if (event->devpath_old != NULL && strcmp(loop_event->devpath, event->devpath_old) == 0) { - event->delaying_seqnum = loop_event->seqnum; - return true; - } - - /* compare devpath */ - common = MIN(loop_event->devpath_len, event->devpath_len); - - /* one devpath is contained in the other? */ - if (memcmp(loop_event->devpath, event->devpath, common) != 0) - continue; - - /* identical device event found */ - if (loop_event->devpath_len == event->devpath_len) { - /* devices names might have changed/swapped in the meantime */ - if (major(event->devnum) != 0 && (event->devnum != loop_event->devnum || event->is_block != loop_event->is_block)) - continue; - if (event->ifindex != 0 && event->ifindex != loop_event->ifindex) - continue; - event->delaying_seqnum = loop_event->seqnum; - return true; - } - - /* parent device event found */ - if (event->devpath[common] == '/') { - event->delaying_seqnum = loop_event->seqnum; - return true; - } - - /* child device event found */ - if (loop_event->devpath[common] == '/') { - event->delaying_seqnum = loop_event->seqnum; - return true; - } - - /* no matching device */ - continue; - } - - return false; + struct udev_list_node *loop; + size_t common; + + /* check if queue contains events we depend on */ + udev_list_node_foreach(loop, &event_list) { + struct event *loop_event = node_to_event(loop); + + /* we already found a later event, earlier can not block us, no need to check again */ + if (loop_event->seqnum < event->delaying_seqnum) + continue; + + /* event we checked earlier still exists, no need to check again */ + if (loop_event->seqnum == event->delaying_seqnum) + return true; + + /* found ourself, no later event can block us */ + if (loop_event->seqnum >= event->seqnum) + break; + + /* check major/minor */ + if (major(event->devnum) != 0 && event->devnum == loop_event->devnum && event->is_block == loop_event->is_block) + return true; + + /* check network device ifindex */ + if (event->ifindex != 0 && event->ifindex == loop_event->ifindex) + return true; + + /* check our old name */ + if (event->devpath_old != NULL && strcmp(loop_event->devpath, event->devpath_old) == 0) { + event->delaying_seqnum = loop_event->seqnum; + return true; + } + + /* compare devpath */ + common = MIN(loop_event->devpath_len, event->devpath_len); + + /* one devpath is contained in the other? */ + if (memcmp(loop_event->devpath, event->devpath, common) != 0) + continue; + + /* identical device event found */ + if (loop_event->devpath_len == event->devpath_len) { + /* devices names might have changed/swapped in the meantime */ + if (major(event->devnum) != 0 && (event->devnum != loop_event->devnum || event->is_block != loop_event->is_block)) + continue; + if (event->ifindex != 0 && event->ifindex != loop_event->ifindex) + continue; + event->delaying_seqnum = loop_event->seqnum; + return true; + } + + /* parent device event found */ + if (event->devpath[common] == '/') { + event->delaying_seqnum = loop_event->seqnum; + return true; + } + + /* child device event found */ + if (loop_event->devpath[common] == '/') { + event->delaying_seqnum = loop_event->seqnum; + return true; + } + + /* no matching device */ + continue; + } + + return false; } static void event_queue_start(struct udev *udev) { - struct udev_list_node *loop; + struct udev_list_node *loop; - udev_list_node_foreach(loop, &event_list) { - struct event *event = node_to_event(loop); + udev_list_node_foreach(loop, &event_list) { + struct event *event = node_to_event(loop); - if (event->state != EVENT_QUEUED) - continue; + if (event->state != EVENT_QUEUED) + continue; - /* do not start event if parent or child event is still running */ - if (is_devpath_busy(event)) { - dbg(udev, "delay seq %llu (%s)\n", event->seqnum, event->devpath); - continue; - } + /* do not start event if parent or child event is still running */ + if (is_devpath_busy(event)) { + dbg(udev, "delay seq %llu (%s)\n", event->seqnum, event->devpath); + continue; + } - event_run(event); - } + event_run(event); + } } static void event_queue_cleanup(struct udev *udev, enum event_state match_type) { - struct udev_list_node *loop, *tmp; + struct udev_list_node *loop, *tmp; - udev_list_node_foreach_safe(loop, tmp, &event_list) { - struct event *event = node_to_event(loop); + udev_list_node_foreach_safe(loop, tmp, &event_list) { + struct event *event = node_to_event(loop); - if (match_type != EVENT_UNDEF && match_type != event->state) - continue; + if (match_type != EVENT_UNDEF && match_type != event->state) + continue; - event_queue_delete(event, false); - } + event_queue_delete(event, false); + } } static void worker_returned(int fd_worker) { - for (;;) { - struct worker_message msg; - ssize_t size; - struct udev_list_node *loop; - - size = recv(fd_worker, &msg, sizeof(struct worker_message), MSG_DONTWAIT); - if (size != sizeof(struct worker_message)) - break; - - /* lookup worker who sent the signal */ - udev_list_node_foreach(loop, &worker_list) { - struct worker *worker = node_to_worker(loop); - - if (worker->pid != msg.pid) - continue; - - /* worker returned */ - worker->event->exitcode = msg.exitcode; - event_queue_delete(worker->event, true); - worker->event = NULL; - if (worker->state != WORKER_KILLED) - worker->state = WORKER_IDLE; - worker_unref(worker); - break; - } - } + for (;;) { + struct worker_message msg; + ssize_t size; + struct udev_list_node *loop; + + size = recv(fd_worker, &msg, sizeof(struct worker_message), MSG_DONTWAIT); + if (size != sizeof(struct worker_message)) + break; + + /* lookup worker who sent the signal */ + udev_list_node_foreach(loop, &worker_list) { + struct worker *worker = node_to_worker(loop); + + if (worker->pid != msg.pid) + continue; + + /* worker returned */ + worker->event->exitcode = msg.exitcode; + event_queue_delete(worker->event, true); + worker->event = NULL; + if (worker->state != WORKER_KILLED) + worker->state = WORKER_IDLE; + worker_unref(worker); + break; + } + } } /* receive the udevd message from userspace */ static struct udev_ctrl_connection *handle_ctrl_msg(struct udev_ctrl *uctrl) { - struct udev *udev = udev_ctrl_get_udev(uctrl); - struct udev_ctrl_connection *ctrl_conn; - struct udev_ctrl_msg *ctrl_msg = NULL; - const char *str; - int i; - - ctrl_conn = udev_ctrl_get_connection(uctrl); - if (ctrl_conn == NULL) - goto out; - - ctrl_msg = udev_ctrl_receive_msg(ctrl_conn); - if (ctrl_msg == NULL) - goto out; - - i = udev_ctrl_get_set_log_level(ctrl_msg); - if (i >= 0) { - info(udev, "udevd message (SET_LOG_PRIORITY) received, log_priority=%i\n", i); - udev_set_log_priority(udev, i); - worker_kill(udev, 0); - } - - if (udev_ctrl_get_stop_exec_queue(ctrl_msg) > 0) { - info(udev, "udevd message (STOP_EXEC_QUEUE) received\n"); - stop_exec_queue = true; - } - - if (udev_ctrl_get_start_exec_queue(ctrl_msg) > 0) { - info(udev, "udevd message (START_EXEC_QUEUE) received\n"); - stop_exec_queue = false; - } - - if (udev_ctrl_get_reload(ctrl_msg) > 0) { - info(udev, "udevd message (RELOAD) received\n"); - reload = true; - } - - str = udev_ctrl_get_set_env(ctrl_msg); - if (str != NULL) { - char *key; - - key = strdup(str); - if (key != NULL) { - char *val; - - val = strchr(key, '='); - if (val != NULL) { - val[0] = '\0'; - val = &val[1]; - if (val[0] == '\0') { - info(udev, "udevd message (ENV) received, unset '%s'\n", key); - udev_add_property(udev, key, NULL); - } else { - info(udev, "udevd message (ENV) received, set '%s=%s'\n", key, val); - udev_add_property(udev, key, val); - } - } else { - err(udev, "wrong key format '%s'\n", key); - } - free(key); - } - worker_kill(udev, 0); - } - - i = udev_ctrl_get_set_children_max(ctrl_msg); - if (i >= 0) { - info(udev, "udevd message (SET_MAX_CHILDREN) received, children_max=%i\n", i); - children_max = i; - } - - if (udev_ctrl_get_ping(ctrl_msg) > 0) - info(udev, "udevd message (SYNC) received\n"); - - if (udev_ctrl_get_exit(ctrl_msg) > 0) { - info(udev, "udevd message (EXIT) received\n"); - udev_exit = true; - /* keep reference to block the client until we exit */ - udev_ctrl_connection_ref(ctrl_conn); - } + struct udev *udev = udev_ctrl_get_udev(uctrl); + struct udev_ctrl_connection *ctrl_conn; + struct udev_ctrl_msg *ctrl_msg = NULL; + const char *str; + int i; + + ctrl_conn = udev_ctrl_get_connection(uctrl); + if (ctrl_conn == NULL) + goto out; + + ctrl_msg = udev_ctrl_receive_msg(ctrl_conn); + if (ctrl_msg == NULL) + goto out; + + i = udev_ctrl_get_set_log_level(ctrl_msg); + if (i >= 0) { + info(udev, "udevd message (SET_LOG_PRIORITY) received, log_priority=%i\n", i); + udev_set_log_priority(udev, i); + worker_kill(udev, 0); + } + + if (udev_ctrl_get_stop_exec_queue(ctrl_msg) > 0) { + info(udev, "udevd message (STOP_EXEC_QUEUE) received\n"); + stop_exec_queue = true; + } + + if (udev_ctrl_get_start_exec_queue(ctrl_msg) > 0) { + info(udev, "udevd message (START_EXEC_QUEUE) received\n"); + stop_exec_queue = false; + } + + if (udev_ctrl_get_reload(ctrl_msg) > 0) { + info(udev, "udevd message (RELOAD) received\n"); + reload = true; + } + + str = udev_ctrl_get_set_env(ctrl_msg); + if (str != NULL) { + char *key; + + key = strdup(str); + if (key != NULL) { + char *val; + + val = strchr(key, '='); + if (val != NULL) { + val[0] = '\0'; + val = &val[1]; + if (val[0] == '\0') { + info(udev, "udevd message (ENV) received, unset '%s'\n", key); + udev_add_property(udev, key, NULL); + } else { + info(udev, "udevd message (ENV) received, set '%s=%s'\n", key, val); + udev_add_property(udev, key, val); + } + } else { + err(udev, "wrong key format '%s'\n", key); + } + free(key); + } + worker_kill(udev, 0); + } + + i = udev_ctrl_get_set_children_max(ctrl_msg); + if (i >= 0) { + info(udev, "udevd message (SET_MAX_CHILDREN) received, children_max=%i\n", i); + children_max = i; + } + + if (udev_ctrl_get_ping(ctrl_msg) > 0) + info(udev, "udevd message (SYNC) received\n"); + + if (udev_ctrl_get_exit(ctrl_msg) > 0) { + info(udev, "udevd message (EXIT) received\n"); + udev_exit = true; + /* keep reference to block the client until we exit */ + udev_ctrl_connection_ref(ctrl_conn); + } out: - udev_ctrl_msg_unref(ctrl_msg); - return udev_ctrl_connection_unref(ctrl_conn); + udev_ctrl_msg_unref(ctrl_msg); + return udev_ctrl_connection_unref(ctrl_conn); } /* read inotify messages */ static int handle_inotify(struct udev *udev) { - int nbytes, pos; - char *buf; - struct inotify_event *ev; - - if ((ioctl(fd_inotify, FIONREAD, &nbytes) < 0) || (nbytes <= 0)) - return 0; - - buf = malloc(nbytes); - if (buf == NULL) { - err(udev, "error getting buffer for inotify\n"); - return -1; - } - - nbytes = read(fd_inotify, buf, nbytes); - - for (pos = 0; pos < nbytes; pos += sizeof(struct inotify_event) + ev->len) { - struct udev_device *dev; - - ev = (struct inotify_event *)(buf + pos); - dev = udev_watch_lookup(udev, ev->wd); - if (dev != NULL) { - info(udev, "inotify event: %x for %s\n", ev->mask, udev_device_get_devnode(dev)); - if (ev->mask & IN_CLOSE_WRITE) { - char filename[UTIL_PATH_SIZE]; - int fd; - - info(udev, "device %s closed, synthesising 'change'\n", udev_device_get_devnode(dev)); - util_strscpyl(filename, sizeof(filename), udev_device_get_syspath(dev), "/uevent", NULL); - fd = open(filename, O_WRONLY); - if (fd >= 0) { - if (write(fd, "change", 6) < 0) - info(udev, "error writing uevent: %m\n"); - close(fd); - } - } - if (ev->mask & IN_IGNORED) - udev_watch_end(udev, dev); - - udev_device_unref(dev); - } - - } - - free(buf); - return 0; + int nbytes, pos; + char *buf; + struct inotify_event *ev; + + if ((ioctl(fd_inotify, FIONREAD, &nbytes) < 0) || (nbytes <= 0)) + return 0; + + buf = malloc(nbytes); + if (buf == NULL) { + err(udev, "error getting buffer for inotify\n"); + return -1; + } + + nbytes = read(fd_inotify, buf, nbytes); + + for (pos = 0; pos < nbytes; pos += sizeof(struct inotify_event) + ev->len) { + struct udev_device *dev; + + ev = (struct inotify_event *)(buf + pos); + dev = udev_watch_lookup(udev, ev->wd); + if (dev != NULL) { + info(udev, "inotify event: %x for %s\n", ev->mask, udev_device_get_devnode(dev)); + if (ev->mask & IN_CLOSE_WRITE) { + char filename[UTIL_PATH_SIZE]; + int fd; + + info(udev, "device %s closed, synthesising 'change'\n", udev_device_get_devnode(dev)); + util_strscpyl(filename, sizeof(filename), udev_device_get_syspath(dev), "/uevent", NULL); + fd = open(filename, O_WRONLY); + if (fd >= 0) { + if (write(fd, "change", 6) < 0) + info(udev, "error writing uevent: %m\n"); + close(fd); + } + } + if (ev->mask & IN_IGNORED) + udev_watch_end(udev, dev); + + udev_device_unref(dev); + } + + } + + free(buf); + return 0; } static void handle_signal(struct udev *udev, int signo) { - switch (signo) { - case SIGINT: - case SIGTERM: - udev_exit = true; - break; - case SIGCHLD: - for (;;) { - pid_t pid; - int status; - struct udev_list_node *loop, *tmp; - - pid = waitpid(-1, &status, WNOHANG); - if (pid <= 0) - break; - - udev_list_node_foreach_safe(loop, tmp, &worker_list) { - struct worker *worker = node_to_worker(loop); - - if (worker->pid != pid) - continue; - info(udev, "worker [%u] exit\n", pid); - - if (WIFEXITED(status)) { - if (WEXITSTATUS(status) != 0) - err(udev, "worker [%u] exit with return code %i\n", pid, WEXITSTATUS(status)); - } else if (WIFSIGNALED(status)) { - err(udev, "worker [%u] terminated by signal %i (%s)\n", - pid, WTERMSIG(status), strsignal(WTERMSIG(status))); - } else if (WIFSTOPPED(status)) { - err(udev, "worker [%u] stopped\n", pid); - } else if (WIFCONTINUED(status)) { - err(udev, "worker [%u] continued\n", pid); - } else { - err(udev, "worker [%u] exit with status 0x%04x\n", pid, status); - } - - if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { - if (worker->event != NULL) { - err(udev, "worker [%u] failed while handling '%s'\n", - pid, worker->event->devpath); - worker->event->exitcode = -32; - event_queue_delete(worker->event, true); - /* drop reference taken for state 'running' */ - worker_unref(worker); - } - } - worker_unref(worker); - break; - } - } - break; - case SIGHUP: - reload = true; - break; - } + switch (signo) { + case SIGINT: + case SIGTERM: + udev_exit = true; + break; + case SIGCHLD: + for (;;) { + pid_t pid; + int status; + struct udev_list_node *loop, *tmp; + + pid = waitpid(-1, &status, WNOHANG); + if (pid <= 0) + break; + + udev_list_node_foreach_safe(loop, tmp, &worker_list) { + struct worker *worker = node_to_worker(loop); + + if (worker->pid != pid) + continue; + info(udev, "worker [%u] exit\n", pid); + + if (WIFEXITED(status)) { + if (WEXITSTATUS(status) != 0) + err(udev, "worker [%u] exit with return code %i\n", pid, WEXITSTATUS(status)); + } else if (WIFSIGNALED(status)) { + err(udev, "worker [%u] terminated by signal %i (%s)\n", + pid, WTERMSIG(status), strsignal(WTERMSIG(status))); + } else if (WIFSTOPPED(status)) { + err(udev, "worker [%u] stopped\n", pid); + } else if (WIFCONTINUED(status)) { + err(udev, "worker [%u] continued\n", pid); + } else { + err(udev, "worker [%u] exit with status 0x%04x\n", pid, status); + } + + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { + if (worker->event != NULL) { + err(udev, "worker [%u] failed while handling '%s'\n", + pid, worker->event->devpath); + worker->event->exitcode = -32; + event_queue_delete(worker->event, true); + /* drop reference taken for state 'running' */ + worker_unref(worker); + } + } + worker_unref(worker); + break; + } + } + break; + case SIGHUP: + reload = true; + break; + } } static void static_dev_create_from_modules(struct udev *udev) { - struct utsname kernel; - char modules[UTIL_PATH_SIZE]; - char buf[4096]; - FILE *f; - - uname(&kernel); - util_strscpyl(modules, sizeof(modules), "/lib/modules/", kernel.release, "/modules.devname", NULL); - f = fopen(modules, "r"); - if (f == NULL) - return; - - while (fgets(buf, sizeof(buf), f) != NULL) { - char *s; - const char *modname; - const char *devname; - const char *devno; - int maj, min; - char type; - mode_t mode; - char filename[UTIL_PATH_SIZE]; - - if (buf[0] == '#') - continue; - - modname = buf; - s = strchr(modname, ' '); - if (s == NULL) - continue; - s[0] = '\0'; - - devname = &s[1]; - s = strchr(devname, ' '); - if (s == NULL) - continue; - s[0] = '\0'; - - devno = &s[1]; - s = strchr(devno, ' '); - if (s == NULL) - s = strchr(devno, '\n'); - if (s != NULL) - s[0] = '\0'; - if (sscanf(devno, "%c%u:%u", &type, &maj, &min) != 3) - continue; - - if (type == 'c') - mode = S_IFCHR; - else if (type == 'b') - mode = S_IFBLK; - else - continue; - - util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/", devname, NULL); - util_create_path_selinux(udev, filename); - udev_selinux_setfscreatecon(udev, filename, mode); - info(udev, "mknod '%s' %c%u:%u\n", filename, type, maj, min); - if (mknod(filename, mode, makedev(maj, min)) < 0 && errno == EEXIST) - utimensat(AT_FDCWD, filename, NULL, 0); - udev_selinux_resetfscreatecon(udev); - } - - fclose(f); + struct utsname kernel; + char modules[UTIL_PATH_SIZE]; + char buf[4096]; + FILE *f; + + uname(&kernel); + util_strscpyl(modules, sizeof(modules), "/lib/modules/", kernel.release, "/modules.devname", NULL); + f = fopen(modules, "r"); + if (f == NULL) + return; + + while (fgets(buf, sizeof(buf), f) != NULL) { + char *s; + const char *modname; + const char *devname; + const char *devno; + int maj, min; + char type; + mode_t mode; + char filename[UTIL_PATH_SIZE]; + + if (buf[0] == '#') + continue; + + modname = buf; + s = strchr(modname, ' '); + if (s == NULL) + continue; + s[0] = '\0'; + + devname = &s[1]; + s = strchr(devname, ' '); + if (s == NULL) + continue; + s[0] = '\0'; + + devno = &s[1]; + s = strchr(devno, ' '); + if (s == NULL) + s = strchr(devno, '\n'); + if (s != NULL) + s[0] = '\0'; + if (sscanf(devno, "%c%u:%u", &type, &maj, &min) != 3) + continue; + + if (type == 'c') + mode = S_IFCHR; + else if (type == 'b') + mode = S_IFBLK; + else + continue; + + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/", devname, NULL); + util_create_path_selinux(udev, filename); + udev_selinux_setfscreatecon(udev, filename, mode); + info(udev, "mknod '%s' %c%u:%u\n", filename, type, maj, min); + if (mknod(filename, mode, makedev(maj, min)) < 0 && errno == EEXIST) + utimensat(AT_FDCWD, filename, NULL, 0); + udev_selinux_resetfscreatecon(udev); + } + + fclose(f); } static int copy_dev_dir(struct udev *udev, DIR *dir_from, DIR *dir_to, int maxdepth) { - struct dirent *dent; - - for (dent = readdir(dir_from); dent != NULL; dent = readdir(dir_from)) { - struct stat stats; - - if (dent->d_name[0] == '.') - continue; - if (fstatat(dirfd(dir_from), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0) - continue; - - if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) { - udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, stats.st_mode & 0777); - if (mknodat(dirfd(dir_to), dent->d_name, stats.st_mode, stats.st_rdev) == 0) { - fchmodat(dirfd(dir_to), dent->d_name, stats.st_mode & 0777, 0); - fchownat(dirfd(dir_to), dent->d_name, stats.st_uid, stats.st_gid, 0); - } else { - utimensat(dirfd(dir_to), dent->d_name, NULL, 0); - } - udev_selinux_resetfscreatecon(udev); - } else if (S_ISLNK(stats.st_mode)) { - char target[UTIL_PATH_SIZE]; - ssize_t len; - - len = readlinkat(dirfd(dir_from), dent->d_name, target, sizeof(target)); - if (len <= 0 || len == (ssize_t)sizeof(target)) - continue; - target[len] = '\0'; - udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFLNK); - if (symlinkat(target, dirfd(dir_to), dent->d_name) < 0 && errno == EEXIST) - utimensat(dirfd(dir_to), dent->d_name, NULL, AT_SYMLINK_NOFOLLOW); - udev_selinux_resetfscreatecon(udev); - } else if (S_ISDIR(stats.st_mode)) { - DIR *dir2_from, *dir2_to; - - if (maxdepth == 0) - continue; - - udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFDIR|0755); - mkdirat(dirfd(dir_to), dent->d_name, 0755); - udev_selinux_resetfscreatecon(udev); - - dir2_to = fdopendir(openat(dirfd(dir_to), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); - if (dir2_to == NULL) - continue; - - dir2_from = fdopendir(openat(dirfd(dir_from), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); - if (dir2_from == NULL) { - closedir(dir2_to); - continue; - } - - copy_dev_dir(udev, dir2_from, dir2_to, maxdepth-1); - - closedir(dir2_to); - closedir(dir2_from); - } - } - - return 0; + struct dirent *dent; + + for (dent = readdir(dir_from); dent != NULL; dent = readdir(dir_from)) { + struct stat stats; + + if (dent->d_name[0] == '.') + continue; + if (fstatat(dirfd(dir_from), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0) + continue; + + if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) { + udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, stats.st_mode & 0777); + if (mknodat(dirfd(dir_to), dent->d_name, stats.st_mode, stats.st_rdev) == 0) { + fchmodat(dirfd(dir_to), dent->d_name, stats.st_mode & 0777, 0); + fchownat(dirfd(dir_to), dent->d_name, stats.st_uid, stats.st_gid, 0); + } else { + utimensat(dirfd(dir_to), dent->d_name, NULL, 0); + } + udev_selinux_resetfscreatecon(udev); + } else if (S_ISLNK(stats.st_mode)) { + char target[UTIL_PATH_SIZE]; + ssize_t len; + + len = readlinkat(dirfd(dir_from), dent->d_name, target, sizeof(target)); + if (len <= 0 || len == (ssize_t)sizeof(target)) + continue; + target[len] = '\0'; + udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFLNK); + if (symlinkat(target, dirfd(dir_to), dent->d_name) < 0 && errno == EEXIST) + utimensat(dirfd(dir_to), dent->d_name, NULL, AT_SYMLINK_NOFOLLOW); + udev_selinux_resetfscreatecon(udev); + } else if (S_ISDIR(stats.st_mode)) { + DIR *dir2_from, *dir2_to; + + if (maxdepth == 0) + continue; + + udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFDIR|0755); + mkdirat(dirfd(dir_to), dent->d_name, 0755); + udev_selinux_resetfscreatecon(udev); + + dir2_to = fdopendir(openat(dirfd(dir_to), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); + if (dir2_to == NULL) + continue; + + dir2_from = fdopendir(openat(dirfd(dir_from), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); + if (dir2_from == NULL) { + closedir(dir2_to); + continue; + } + + copy_dev_dir(udev, dir2_from, dir2_to, maxdepth-1); + + closedir(dir2_to); + closedir(dir2_from); + } + } + + return 0; } static void static_dev_create_links(struct udev *udev, DIR *dir) { - struct stdlinks { - const char *link; - const char *target; - }; - static const struct stdlinks stdlinks[] = { - { "core", "/proc/kcore" }, - { "fd", "/proc/self/fd" }, - { "stdin", "/proc/self/fd/0" }, - { "stdout", "/proc/self/fd/1" }, - { "stderr", "/proc/self/fd/2" }, - }; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(stdlinks); i++) { - struct stat sb; - - if (stat(stdlinks[i].target, &sb) == 0) { - udev_selinux_setfscreateconat(udev, dirfd(dir), stdlinks[i].link, S_IFLNK); - if (symlinkat(stdlinks[i].target, dirfd(dir), stdlinks[i].link) < 0 && errno == EEXIST) - utimensat(dirfd(dir), stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW); - udev_selinux_resetfscreatecon(udev); - } - } + struct stdlinks { + const char *link; + const char *target; + }; + static const struct stdlinks stdlinks[] = { + { "core", "/proc/kcore" }, + { "fd", "/proc/self/fd" }, + { "stdin", "/proc/self/fd/0" }, + { "stdout", "/proc/self/fd/1" }, + { "stderr", "/proc/self/fd/2" }, + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(stdlinks); i++) { + struct stat sb; + + if (stat(stdlinks[i].target, &sb) == 0) { + udev_selinux_setfscreateconat(udev, dirfd(dir), stdlinks[i].link, S_IFLNK); + if (symlinkat(stdlinks[i].target, dirfd(dir), stdlinks[i].link) < 0 && errno == EEXIST) + utimensat(dirfd(dir), stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW); + udev_selinux_resetfscreatecon(udev); + } + } } static void static_dev_create_from_devices(struct udev *udev, DIR *dir) { - DIR *dir_from; + DIR *dir_from; - dir_from = opendir(PKGLIBEXECDIR "/devices"); - if (dir_from == NULL) - return; - copy_dev_dir(udev, dir_from, dir, 8); - closedir(dir_from); + dir_from = opendir(PKGLIBEXECDIR "/devices"); + if (dir_from == NULL) + return; + copy_dev_dir(udev, dir_from, dir, 8); + closedir(dir_from); } static void static_dev_create(struct udev *udev) { - DIR *dir; + DIR *dir; - dir = opendir(udev_get_dev_path(udev)); - if (dir == NULL) - return; + dir = opendir(udev_get_dev_path(udev)); + if (dir == NULL) + return; - static_dev_create_links(udev, dir); - static_dev_create_from_devices(udev, dir); + static_dev_create_links(udev, dir); + static_dev_create_from_devices(udev, dir); - closedir(dir); + closedir(dir); } static int mem_size_mb(void) { - FILE *f; - char buf[4096]; - long int memsize = -1; + FILE *f; + char buf[4096]; + long int memsize = -1; - f = fopen("/proc/meminfo", "r"); - if (f == NULL) - return -1; + f = fopen("/proc/meminfo", "r"); + if (f == NULL) + return -1; - while (fgets(buf, sizeof(buf), f) != NULL) { - long int value; + while (fgets(buf, sizeof(buf), f) != NULL) { + long int value; - if (sscanf(buf, "MemTotal: %ld kB", &value) == 1) { - memsize = value / 1024; - break; - } - } + if (sscanf(buf, "MemTotal: %ld kB", &value) == 1) { + memsize = value / 1024; + break; + } + } - fclose(f); - return memsize; + fclose(f); + return memsize; } static int convert_db(struct udev *udev) { - char filename[UTIL_PATH_SIZE]; - FILE *f; - struct udev_enumerate *udev_enumerate; - struct udev_list_entry *list_entry; - - /* current database */ - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL); - if (access(filename, F_OK) >= 0) - return 0; - - /* make sure we do not get here again */ - util_create_path(udev, filename); - mkdir(filename, 0755); - - /* old database */ - util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db", NULL); - if (access(filename, F_OK) < 0) - return 0; - - f = fopen("/dev/kmsg", "w"); - if (f != NULL) { - fprintf(f, "<30>udevd[%u]: converting old udev database\n", getpid()); - fclose(f); - } - - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_scan_devices(udev_enumerate); - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { - struct udev_device *device; - - device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry)); - if (device == NULL) - continue; - - /* try to find the old database for devices without a current one */ - if (udev_device_read_db(device, NULL) < 0) { - bool have_db; - const char *id; - struct stat stats; - char devpath[UTIL_PATH_SIZE]; - char from[UTIL_PATH_SIZE]; - - have_db = false; - - /* find database in old location */ - id = udev_device_get_id_filename(device); - util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", id, NULL); - if (lstat(from, &stats) == 0) { - if (!have_db) { - udev_device_read_db(device, from); - have_db = true; - } - unlink(from); - } - - /* find old database with $subsys:$sysname name */ - util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), - "/.udev/db/", udev_device_get_subsystem(device), ":", - udev_device_get_sysname(device), NULL); - if (lstat(from, &stats) == 0) { - if (!have_db) { - udev_device_read_db(device, from); - have_db = true; - } - unlink(from); - } - - /* find old database with the encoded devpath name */ - util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath)); - util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", devpath, NULL); - if (lstat(from, &stats) == 0) { - if (!have_db) { - udev_device_read_db(device, from); - have_db = true; - } - unlink(from); - } - - /* write out new database */ - if (have_db) - udev_device_update_db(device); - } - udev_device_unref(device); - } - udev_enumerate_unref(udev_enumerate); - return 0; + char filename[UTIL_PATH_SIZE]; + FILE *f; + struct udev_enumerate *udev_enumerate; + struct udev_list_entry *list_entry; + + /* current database */ + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL); + if (access(filename, F_OK) >= 0) + return 0; + + /* make sure we do not get here again */ + util_create_path(udev, filename); + mkdir(filename, 0755); + + /* old database */ + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db", NULL); + if (access(filename, F_OK) < 0) + return 0; + + f = fopen("/dev/kmsg", "w"); + if (f != NULL) { + fprintf(f, "<30>udevd[%u]: converting old udev database\n", getpid()); + fclose(f); + } + + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_scan_devices(udev_enumerate); + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { + struct udev_device *device; + + device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry)); + if (device == NULL) + continue; + + /* try to find the old database for devices without a current one */ + if (udev_device_read_db(device, NULL) < 0) { + bool have_db; + const char *id; + struct stat stats; + char devpath[UTIL_PATH_SIZE]; + char from[UTIL_PATH_SIZE]; + + have_db = false; + + /* find database in old location */ + id = udev_device_get_id_filename(device); + util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", id, NULL); + if (lstat(from, &stats) == 0) { + if (!have_db) { + udev_device_read_db(device, from); + have_db = true; + } + unlink(from); + } + + /* find old database with $subsys:$sysname name */ + util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), + "/.udev/db/", udev_device_get_subsystem(device), ":", + udev_device_get_sysname(device), NULL); + if (lstat(from, &stats) == 0) { + if (!have_db) { + udev_device_read_db(device, from); + have_db = true; + } + unlink(from); + } + + /* find old database with the encoded devpath name */ + util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath)); + util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", devpath, NULL); + if (lstat(from, &stats) == 0) { + if (!have_db) { + udev_device_read_db(device, from); + have_db = true; + } + unlink(from); + } + + /* write out new database */ + if (have_db) + udev_device_update_db(device); + } + udev_device_unref(device); + } + udev_enumerate_unref(udev_enumerate); + return 0; } static int systemd_fds(struct udev *udev, int *rctrl, int *rnetlink) { - int ctrl = -1, netlink = -1; - int fd, n; - - n = sd_listen_fds(true); - if (n <= 0) - return -1; - - for (fd = SD_LISTEN_FDS_START; fd < n + SD_LISTEN_FDS_START; fd++) { - if (sd_is_socket(fd, AF_LOCAL, SOCK_SEQPACKET, -1)) { - if (ctrl >= 0) - return -1; - ctrl = fd; - continue; - } - - if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1)) { - if (netlink >= 0) - return -1; - netlink = fd; - continue; - } - - return -1; - } - - if (ctrl < 0 || netlink < 0) - return -1; - - info(udev, "ctrl=%i netlink=%i\n", ctrl, netlink); - *rctrl = ctrl; - *rnetlink = netlink; - return 0; + int ctrl = -1, netlink = -1; + int fd, n; + + n = sd_listen_fds(true); + if (n <= 0) + return -1; + + for (fd = SD_LISTEN_FDS_START; fd < n + SD_LISTEN_FDS_START; fd++) { + if (sd_is_socket(fd, AF_LOCAL, SOCK_SEQPACKET, -1)) { + if (ctrl >= 0) + return -1; + ctrl = fd; + continue; + } + + if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1)) { + if (netlink >= 0) + return -1; + netlink = fd; + continue; + } + + return -1; + } + + if (ctrl < 0 || netlink < 0) + return -1; + + info(udev, "ctrl=%i netlink=%i\n", ctrl, netlink); + *rctrl = ctrl; + *rnetlink = netlink; + return 0; } static bool check_rules_timestamp(struct udev *udev) { - char **p; - unsigned long long *stamp_usec; - int i, n; - bool changed = false; + char **p; + unsigned long long *stamp_usec; + int i, n; + bool changed = false; - n = udev_get_rules_path(udev, &p, &stamp_usec); - for (i = 0; i < n; i++) { - struct stat stats; + n = udev_get_rules_path(udev, &p, &stamp_usec); + for (i = 0; i < n; i++) { + struct stat stats; - if (stat(p[i], &stats) < 0) - continue; + if (stat(p[i], &stats) < 0) + continue; - if (stamp_usec[i] == ts_usec(&stats.st_mtim)) - continue; + if (stamp_usec[i] == ts_usec(&stats.st_mtim)) + continue; - /* first check */ - if (stamp_usec[i] != 0) { - info(udev, "reload - timestamp of '%s' changed\n", p[i]); - changed = true; - } + /* first check */ + if (stamp_usec[i] != 0) { + info(udev, "reload - timestamp of '%s' changed\n", p[i]); + changed = true; + } - /* update timestamp */ - stamp_usec[i] = ts_usec(&stats.st_mtim); - } + /* update timestamp */ + stamp_usec[i] = ts_usec(&stats.st_mtim); + } - return changed; + return changed; } int main(int argc, char *argv[]) { - struct udev *udev; - FILE *f; - sigset_t mask; - int daemonize = false; - int resolve_names = 1; - static const struct option options[] = { - { "daemon", no_argument, NULL, 'd' }, - { "debug", no_argument, NULL, 'D' }, - { "children-max", required_argument, NULL, 'c' }, - { "exec-delay", required_argument, NULL, 'e' }, - { "resolve-names", required_argument, NULL, 'N' }, - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, 'V' }, - {} - }; - int fd_ctrl = -1; - int fd_netlink = -1; - int fd_worker = -1; - struct epoll_event ep_ctrl, ep_inotify, ep_signal, ep_netlink, ep_worker; - struct udev_ctrl_connection *ctrl_conn = NULL; - char **s; - int rc = 1; - - udev = udev_new(); - if (udev == NULL) - goto exit; - - udev_log_init("udevd"); - udev_set_log_fn(udev, udev_main_log); - info(udev, "version %s\n", VERSION); - udev_selinux_init(udev); - - for (;;) { - int option; - - option = getopt_long(argc, argv, "c:deDtN:hV", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'd': - daemonize = true; - break; - case 'c': - children_max = strtoul(optarg, NULL, 0); - break; - case 'e': - exec_delay = strtoul(optarg, NULL, 0); - break; - case 'D': - debug = true; - if (udev_get_log_priority(udev) < LOG_INFO) - udev_set_log_priority(udev, LOG_INFO); - break; - case 'N': - if (strcmp (optarg, "early") == 0) { - resolve_names = 1; - } else if (strcmp (optarg, "late") == 0) { - resolve_names = 0; - } else if (strcmp (optarg, "never") == 0) { - resolve_names = -1; - } else { - fprintf(stderr, "resolve-names must be early, late or never\n"); - err(udev, "resolve-names must be early, late or never\n"); - goto exit; - } - break; - case 'h': - printf("Usage: udevd OPTIONS\n" - " --daemon\n" - " --debug\n" - " --children-max=\n" - " --exec-delay=\n" - " --resolve-names=early|late|never\n" - " --version\n" - " --help\n" - "\n"); - goto exit; - case 'V': - printf("%s\n", VERSION); - goto exit; - default: - goto exit; - } - } - - /* - * read the kernel commandline, in case we need to get into debug mode - * udev.log-priority= syslog priority - * udev.children-max= events are fully serialized if set to 1 - * - */ - f = fopen("/proc/cmdline", "r"); - if (f != NULL) { - char cmdline[4096]; - - if (fgets(cmdline, sizeof(cmdline), f) != NULL) { - char *pos; - - pos = strstr(cmdline, "udev.log-priority="); - if (pos != NULL) { - pos += strlen("udev.log-priority="); - udev_set_log_priority(udev, util_log_priority(pos)); - } - - pos = strstr(cmdline, "udev.children-max="); - if (pos != NULL) { - pos += strlen("udev.children-max="); - children_max = strtoul(pos, NULL, 0); - } - - pos = strstr(cmdline, "udev.exec-delay="); - if (pos != NULL) { - pos += strlen("udev.exec-delay="); - exec_delay = strtoul(pos, NULL, 0); - } - } - fclose(f); - } - - if (getuid() != 0) { - fprintf(stderr, "root privileges required\n"); - err(udev, "root privileges required\n"); - goto exit; - } - - /* set umask before creating any file/directory */ - chdir("/"); - umask(022); - - /* /run/udev */ - mkdir(udev_get_run_path(udev), 0755); - - /* create standard links, copy static nodes, create nodes from modules */ - static_dev_create(udev); - static_dev_create_from_modules(udev); - - /* before opening new files, make sure std{in,out,err} fds are in a sane state */ - if (daemonize) { - int fd; - - fd = open("/dev/null", O_RDWR); - if (fd >= 0) { - if (write(STDOUT_FILENO, 0, 0) < 0) - dup2(fd, STDOUT_FILENO); - if (write(STDERR_FILENO, 0, 0) < 0) - dup2(fd, STDERR_FILENO); - if (fd > STDERR_FILENO) - close(fd); - } else { - fprintf(stderr, "cannot open /dev/null\n"); - err(udev, "cannot open /dev/null\n"); - } - } - - if (systemd_fds(udev, &fd_ctrl, &fd_netlink) >= 0) { - /* get control and netlink socket from from systemd */ - udev_ctrl = udev_ctrl_new_from_fd(udev, fd_ctrl); - if (udev_ctrl == NULL) { - err(udev, "error taking over udev control socket"); - rc = 1; - goto exit; - } - - monitor = udev_monitor_new_from_netlink_fd(udev, "kernel", fd_netlink); - if (monitor == NULL) { - err(udev, "error taking over netlink socket\n"); - rc = 3; - goto exit; - } - } else { - /* open control and netlink socket */ - udev_ctrl = udev_ctrl_new(udev); - if (udev_ctrl == NULL) { - fprintf(stderr, "error initializing udev control socket"); - err(udev, "error initializing udev control socket"); - rc = 1; - goto exit; - } - fd_ctrl = udev_ctrl_get_fd(udev_ctrl); - - monitor = udev_monitor_new_from_netlink(udev, "kernel"); - if (monitor == NULL) { - fprintf(stderr, "error initializing netlink socket\n"); - err(udev, "error initializing netlink socket\n"); - rc = 3; - goto exit; - } - fd_netlink = udev_monitor_get_fd(monitor); - } - - if (udev_monitor_enable_receiving(monitor) < 0) { - fprintf(stderr, "error binding netlink socket\n"); - err(udev, "error binding netlink socket\n"); - rc = 3; - goto exit; - } - - if (udev_ctrl_enable_receiving(udev_ctrl) < 0) { - fprintf(stderr, "error binding udev control socket\n"); - err(udev, "error binding udev control socket\n"); - rc = 1; - goto exit; - } - - udev_monitor_set_receive_buffer_size(monitor, 128*1024*1024); - - /* create queue file before signalling 'ready', to make sure we block 'settle' */ - udev_queue_export = udev_queue_export_new(udev); - if (udev_queue_export == NULL) { - err(udev, "error creating queue file\n"); - goto exit; - } - - if (daemonize) { - pid_t pid; - int fd; - - pid = fork(); - switch (pid) { - case 0: - break; - case -1: - err(udev, "fork of daemon failed: %m\n"); - rc = 4; - goto exit; - default: - rc = EXIT_SUCCESS; - goto exit_daemonize; - } - - setsid(); - - fd = open("/proc/self/oom_score_adj", O_RDWR); - if (fd < 0) { - /* Fallback to old interface */ - fd = open("/proc/self/oom_adj", O_RDWR); - if (fd < 0) { - err(udev, "error disabling OOM: %m\n"); - } else { - /* OOM_DISABLE == -17 */ - write(fd, "-17", 3); - close(fd); - } - } else { - write(fd, "-1000", 5); - close(fd); - } - } else { - sd_notify(1, "READY=1"); - } - - f = fopen("/dev/kmsg", "w"); - if (f != NULL) { - fprintf(f, "<30>udevd[%u]: starting version " VERSION "\n", getpid()); - fclose(f); - } - - if (!debug) { - int fd; - - fd = open("/dev/null", O_RDWR); - if (fd >= 0) { - dup2(fd, STDIN_FILENO); - dup2(fd, STDOUT_FILENO); - dup2(fd, STDERR_FILENO); - close(fd); - } - } - - fd_inotify = udev_watch_init(udev); - if (fd_inotify < 0) { - fprintf(stderr, "error initializing inotify\n"); - err(udev, "error initializing inotify\n"); - rc = 4; - goto exit; - } - udev_watch_restore(udev); - - /* block and listen to all signals on signalfd */ - sigfillset(&mask); - sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); - fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); - if (fd_signal < 0) { - fprintf(stderr, "error creating signalfd\n"); - err(udev, "error creating signalfd\n"); - rc = 5; - goto exit; - } - - /* unnamed socket from workers to the main daemon */ - if (socketpair(AF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0, worker_watch) < 0) { - fprintf(stderr, "error creating socketpair\n"); - err(udev, "error creating socketpair\n"); - rc = 6; - goto exit; - } - fd_worker = worker_watch[READ_END]; - - udev_builtin_init(udev); - - rules = udev_rules_new(udev, resolve_names); - if (rules == NULL) { - err(udev, "error reading rules\n"); - goto exit; - } - - memset(&ep_ctrl, 0, sizeof(struct epoll_event)); - ep_ctrl.events = EPOLLIN; - ep_ctrl.data.fd = fd_ctrl; - - memset(&ep_inotify, 0, sizeof(struct epoll_event)); - ep_inotify.events = EPOLLIN; - ep_inotify.data.fd = fd_inotify; - - memset(&ep_signal, 0, sizeof(struct epoll_event)); - ep_signal.events = EPOLLIN; - ep_signal.data.fd = fd_signal; - - memset(&ep_netlink, 0, sizeof(struct epoll_event)); - ep_netlink.events = EPOLLIN; - ep_netlink.data.fd = fd_netlink; - - memset(&ep_worker, 0, sizeof(struct epoll_event)); - ep_worker.events = EPOLLIN; - ep_worker.data.fd = fd_worker; - - fd_ep = epoll_create1(EPOLL_CLOEXEC); - if (fd_ep < 0) { - err(udev, "error creating epoll fd: %m\n"); - goto exit; - } - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_ctrl, &ep_ctrl) < 0 || - epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_inotify, &ep_inotify) < 0 || - epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 || - epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_netlink, &ep_netlink) < 0 || - epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_worker, &ep_worker) < 0) { - err(udev, "fail to add fds to epoll: %m\n"); - goto exit; - } - - /* if needed, convert old database from earlier udev version */ - convert_db(udev); - - if (children_max <= 0) { - int memsize = mem_size_mb(); - - /* set value depending on the amount of RAM */ - if (memsize > 0) - children_max = 128 + (memsize / 8); - else - children_max = 128; - } - info(udev, "set children_max to %u\n", children_max); - - udev_rules_apply_static_dev_perms(rules); - - udev_list_node_init(&event_list); - udev_list_node_init(&worker_list); - - for (;;) { - static unsigned long long last_usec; - struct epoll_event ev[8]; - int fdcount; - int timeout; - bool is_worker, is_signal, is_inotify, is_netlink, is_ctrl; - int i; - - if (udev_exit) { - /* close sources of new events and discard buffered events */ - if (fd_ctrl >= 0) { - epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_ctrl, NULL); - fd_ctrl = -1; - } - if (monitor != NULL) { - epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_netlink, NULL); - udev_monitor_unref(monitor); - monitor = NULL; - } - if (fd_inotify >= 0) { - epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_inotify, NULL); - close(fd_inotify); - fd_inotify = -1; - } - - /* discard queued events and kill workers */ - event_queue_cleanup(udev, EVENT_QUEUED); - worker_kill(udev, 0); - - /* exit after all has cleaned up */ - if (udev_list_node_is_empty(&event_list) && udev_list_node_is_empty(&worker_list)) - break; - - /* timeout at exit for workers to finish */ - timeout = 60 * 1000; - } else if (udev_list_node_is_empty(&event_list) && children > 2) { - /* set timeout to kill idle workers */ - timeout = 3 * 1000; - } else { - timeout = -1; - } - fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout); - if (fdcount < 0) - continue; - - if (fdcount == 0) { - if (udev_exit) { - info(udev, "timeout, giving up waiting for workers to finish\n"); - break; - } - - /* timeout - kill idle workers */ - worker_kill(udev, 2); - } - - is_worker = is_signal = is_inotify = is_netlink = is_ctrl = false; - for (i = 0; i < fdcount; i++) { - if (ev[i].data.fd == fd_worker && ev[i].events & EPOLLIN) - is_worker = true; - else if (ev[i].data.fd == fd_netlink && ev[i].events & EPOLLIN) - is_netlink = true; - else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN) - is_signal = true; - else if (ev[i].data.fd == fd_inotify && ev[i].events & EPOLLIN) - is_inotify = true; - else if (ev[i].data.fd == fd_ctrl && ev[i].events & EPOLLIN) - is_ctrl = true; - } - - /* check for changed config, every 3 seconds at most */ - if ((now_usec() - last_usec) > 3 * 1000 * 1000) { - if (check_rules_timestamp(udev)) - reload = true; - if (udev_builtin_validate(udev)) - reload = true; - - last_usec = now_usec(); - } - - /* reload requested, HUP signal received, rules changed, builtin changed */ - if (reload) { - worker_kill(udev, 0); - rules = udev_rules_unref(rules); - udev_builtin_exit(udev); - reload = 0; - } - - /* event has finished */ - if (is_worker) - worker_returned(fd_worker); - - if (is_netlink) { - struct udev_device *dev; - - dev = udev_monitor_receive_device(monitor); - if (dev != NULL) { - udev_device_set_usec_initialized(dev, now_usec()); - if (event_queue_insert(dev) < 0) - udev_device_unref(dev); - } - } - - /* start new events */ - if (!udev_list_node_is_empty(&event_list) && !udev_exit && !stop_exec_queue) { - if (rules == NULL) - rules = udev_rules_new(udev, resolve_names); - if (rules != NULL) - event_queue_start(udev); - } - - if (is_signal) { - struct signalfd_siginfo fdsi; - ssize_t size; - - size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo)); - if (size == sizeof(struct signalfd_siginfo)) - handle_signal(udev, fdsi.ssi_signo); - } - - /* we are shutting down, the events below are not handled anymore */ - if (udev_exit) - continue; - - /* device node watch */ - if (is_inotify) - handle_inotify(udev); - - /* - * This needs to be after the inotify handling, to make sure, - * that the ping is send back after the possibly generated - * "change" events by the inotify device node watch. - * - * A single time we may receive a client connection which we need to - * keep open to block the client. It will be closed right before we - * exit. - */ - if (is_ctrl) - ctrl_conn = handle_ctrl_msg(udev_ctrl); - } - - rc = EXIT_SUCCESS; + struct udev *udev; + FILE *f; + sigset_t mask; + int daemonize = false; + int resolve_names = 1; + static const struct option options[] = { + { "daemon", no_argument, NULL, 'd' }, + { "debug", no_argument, NULL, 'D' }, + { "children-max", required_argument, NULL, 'c' }, + { "exec-delay", required_argument, NULL, 'e' }, + { "resolve-names", required_argument, NULL, 'N' }, + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + {} + }; + int fd_ctrl = -1; + int fd_netlink = -1; + int fd_worker = -1; + struct epoll_event ep_ctrl, ep_inotify, ep_signal, ep_netlink, ep_worker; + struct udev_ctrl_connection *ctrl_conn = NULL; + char **s; + int rc = 1; + + udev = udev_new(); + if (udev == NULL) + goto exit; + + udev_log_init("udevd"); + udev_set_log_fn(udev, udev_main_log); + info(udev, "version %s\n", VERSION); + udev_selinux_init(udev); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "c:deDtN:hV", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'd': + daemonize = true; + break; + case 'c': + children_max = strtoul(optarg, NULL, 0); + break; + case 'e': + exec_delay = strtoul(optarg, NULL, 0); + break; + case 'D': + debug = true; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'N': + if (strcmp (optarg, "early") == 0) { + resolve_names = 1; + } else if (strcmp (optarg, "late") == 0) { + resolve_names = 0; + } else if (strcmp (optarg, "never") == 0) { + resolve_names = -1; + } else { + fprintf(stderr, "resolve-names must be early, late or never\n"); + err(udev, "resolve-names must be early, late or never\n"); + goto exit; + } + break; + case 'h': + printf("Usage: udevd OPTIONS\n" + " --daemon\n" + " --debug\n" + " --children-max=\n" + " --exec-delay=\n" + " --resolve-names=early|late|never\n" + " --version\n" + " --help\n" + "\n"); + goto exit; + case 'V': + printf("%s\n", VERSION); + goto exit; + default: + goto exit; + } + } + + /* + * read the kernel commandline, in case we need to get into debug mode + * udev.log-priority= syslog priority + * udev.children-max= events are fully serialized if set to 1 + * + */ + f = fopen("/proc/cmdline", "r"); + if (f != NULL) { + char cmdline[4096]; + + if (fgets(cmdline, sizeof(cmdline), f) != NULL) { + char *pos; + + pos = strstr(cmdline, "udev.log-priority="); + if (pos != NULL) { + pos += strlen("udev.log-priority="); + udev_set_log_priority(udev, util_log_priority(pos)); + } + + pos = strstr(cmdline, "udev.children-max="); + if (pos != NULL) { + pos += strlen("udev.children-max="); + children_max = strtoul(pos, NULL, 0); + } + + pos = strstr(cmdline, "udev.exec-delay="); + if (pos != NULL) { + pos += strlen("udev.exec-delay="); + exec_delay = strtoul(pos, NULL, 0); + } + } + fclose(f); + } + + if (getuid() != 0) { + fprintf(stderr, "root privileges required\n"); + err(udev, "root privileges required\n"); + goto exit; + } + + /* set umask before creating any file/directory */ + chdir("/"); + umask(022); + + /* /run/udev */ + mkdir(udev_get_run_path(udev), 0755); + + /* create standard links, copy static nodes, create nodes from modules */ + static_dev_create(udev); + static_dev_create_from_modules(udev); + + /* before opening new files, make sure std{in,out,err} fds are in a sane state */ + if (daemonize) { + int fd; + + fd = open("/dev/null", O_RDWR); + if (fd >= 0) { + if (write(STDOUT_FILENO, 0, 0) < 0) + dup2(fd, STDOUT_FILENO); + if (write(STDERR_FILENO, 0, 0) < 0) + dup2(fd, STDERR_FILENO); + if (fd > STDERR_FILENO) + close(fd); + } else { + fprintf(stderr, "cannot open /dev/null\n"); + err(udev, "cannot open /dev/null\n"); + } + } + + if (systemd_fds(udev, &fd_ctrl, &fd_netlink) >= 0) { + /* get control and netlink socket from from systemd */ + udev_ctrl = udev_ctrl_new_from_fd(udev, fd_ctrl); + if (udev_ctrl == NULL) { + err(udev, "error taking over udev control socket"); + rc = 1; + goto exit; + } + + monitor = udev_monitor_new_from_netlink_fd(udev, "kernel", fd_netlink); + if (monitor == NULL) { + err(udev, "error taking over netlink socket\n"); + rc = 3; + goto exit; + } + } else { + /* open control and netlink socket */ + udev_ctrl = udev_ctrl_new(udev); + if (udev_ctrl == NULL) { + fprintf(stderr, "error initializing udev control socket"); + err(udev, "error initializing udev control socket"); + rc = 1; + goto exit; + } + fd_ctrl = udev_ctrl_get_fd(udev_ctrl); + + monitor = udev_monitor_new_from_netlink(udev, "kernel"); + if (monitor == NULL) { + fprintf(stderr, "error initializing netlink socket\n"); + err(udev, "error initializing netlink socket\n"); + rc = 3; + goto exit; + } + fd_netlink = udev_monitor_get_fd(monitor); + } + + if (udev_monitor_enable_receiving(monitor) < 0) { + fprintf(stderr, "error binding netlink socket\n"); + err(udev, "error binding netlink socket\n"); + rc = 3; + goto exit; + } + + if (udev_ctrl_enable_receiving(udev_ctrl) < 0) { + fprintf(stderr, "error binding udev control socket\n"); + err(udev, "error binding udev control socket\n"); + rc = 1; + goto exit; + } + + udev_monitor_set_receive_buffer_size(monitor, 128*1024*1024); + + /* create queue file before signalling 'ready', to make sure we block 'settle' */ + udev_queue_export = udev_queue_export_new(udev); + if (udev_queue_export == NULL) { + err(udev, "error creating queue file\n"); + goto exit; + } + + if (daemonize) { + pid_t pid; + int fd; + + pid = fork(); + switch (pid) { + case 0: + break; + case -1: + err(udev, "fork of daemon failed: %m\n"); + rc = 4; + goto exit; + default: + rc = EXIT_SUCCESS; + goto exit_daemonize; + } + + setsid(); + + fd = open("/proc/self/oom_score_adj", O_RDWR); + if (fd < 0) { + /* Fallback to old interface */ + fd = open("/proc/self/oom_adj", O_RDWR); + if (fd < 0) { + err(udev, "error disabling OOM: %m\n"); + } else { + /* OOM_DISABLE == -17 */ + write(fd, "-17", 3); + close(fd); + } + } else { + write(fd, "-1000", 5); + close(fd); + } + } else { + sd_notify(1, "READY=1"); + } + + f = fopen("/dev/kmsg", "w"); + if (f != NULL) { + fprintf(f, "<30>udevd[%u]: starting version " VERSION "\n", getpid()); + fclose(f); + } + + if (!debug) { + int fd; + + fd = open("/dev/null", O_RDWR); + if (fd >= 0) { + dup2(fd, STDIN_FILENO); + dup2(fd, STDOUT_FILENO); + dup2(fd, STDERR_FILENO); + close(fd); + } + } + + fd_inotify = udev_watch_init(udev); + if (fd_inotify < 0) { + fprintf(stderr, "error initializing inotify\n"); + err(udev, "error initializing inotify\n"); + rc = 4; + goto exit; + } + udev_watch_restore(udev); + + /* block and listen to all signals on signalfd */ + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); + fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); + if (fd_signal < 0) { + fprintf(stderr, "error creating signalfd\n"); + err(udev, "error creating signalfd\n"); + rc = 5; + goto exit; + } + + /* unnamed socket from workers to the main daemon */ + if (socketpair(AF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0, worker_watch) < 0) { + fprintf(stderr, "error creating socketpair\n"); + err(udev, "error creating socketpair\n"); + rc = 6; + goto exit; + } + fd_worker = worker_watch[READ_END]; + + udev_builtin_init(udev); + + rules = udev_rules_new(udev, resolve_names); + if (rules == NULL) { + err(udev, "error reading rules\n"); + goto exit; + } + + memset(&ep_ctrl, 0, sizeof(struct epoll_event)); + ep_ctrl.events = EPOLLIN; + ep_ctrl.data.fd = fd_ctrl; + + memset(&ep_inotify, 0, sizeof(struct epoll_event)); + ep_inotify.events = EPOLLIN; + ep_inotify.data.fd = fd_inotify; + + memset(&ep_signal, 0, sizeof(struct epoll_event)); + ep_signal.events = EPOLLIN; + ep_signal.data.fd = fd_signal; + + memset(&ep_netlink, 0, sizeof(struct epoll_event)); + ep_netlink.events = EPOLLIN; + ep_netlink.data.fd = fd_netlink; + + memset(&ep_worker, 0, sizeof(struct epoll_event)); + ep_worker.events = EPOLLIN; + ep_worker.data.fd = fd_worker; + + fd_ep = epoll_create1(EPOLL_CLOEXEC); + if (fd_ep < 0) { + err(udev, "error creating epoll fd: %m\n"); + goto exit; + } + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_ctrl, &ep_ctrl) < 0 || + epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_inotify, &ep_inotify) < 0 || + epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 || + epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_netlink, &ep_netlink) < 0 || + epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_worker, &ep_worker) < 0) { + err(udev, "fail to add fds to epoll: %m\n"); + goto exit; + } + + /* if needed, convert old database from earlier udev version */ + convert_db(udev); + + if (children_max <= 0) { + int memsize = mem_size_mb(); + + /* set value depending on the amount of RAM */ + if (memsize > 0) + children_max = 128 + (memsize / 8); + else + children_max = 128; + } + info(udev, "set children_max to %u\n", children_max); + + udev_rules_apply_static_dev_perms(rules); + + udev_list_node_init(&event_list); + udev_list_node_init(&worker_list); + + for (;;) { + static unsigned long long last_usec; + struct epoll_event ev[8]; + int fdcount; + int timeout; + bool is_worker, is_signal, is_inotify, is_netlink, is_ctrl; + int i; + + if (udev_exit) { + /* close sources of new events and discard buffered events */ + if (fd_ctrl >= 0) { + epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_ctrl, NULL); + fd_ctrl = -1; + } + if (monitor != NULL) { + epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_netlink, NULL); + udev_monitor_unref(monitor); + monitor = NULL; + } + if (fd_inotify >= 0) { + epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_inotify, NULL); + close(fd_inotify); + fd_inotify = -1; + } + + /* discard queued events and kill workers */ + event_queue_cleanup(udev, EVENT_QUEUED); + worker_kill(udev, 0); + + /* exit after all has cleaned up */ + if (udev_list_node_is_empty(&event_list) && udev_list_node_is_empty(&worker_list)) + break; + + /* timeout at exit for workers to finish */ + timeout = 60 * 1000; + } else if (udev_list_node_is_empty(&event_list) && children > 2) { + /* set timeout to kill idle workers */ + timeout = 3 * 1000; + } else { + timeout = -1; + } + fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout); + if (fdcount < 0) + continue; + + if (fdcount == 0) { + if (udev_exit) { + info(udev, "timeout, giving up waiting for workers to finish\n"); + break; + } + + /* timeout - kill idle workers */ + worker_kill(udev, 2); + } + + is_worker = is_signal = is_inotify = is_netlink = is_ctrl = false; + for (i = 0; i < fdcount; i++) { + if (ev[i].data.fd == fd_worker && ev[i].events & EPOLLIN) + is_worker = true; + else if (ev[i].data.fd == fd_netlink && ev[i].events & EPOLLIN) + is_netlink = true; + else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN) + is_signal = true; + else if (ev[i].data.fd == fd_inotify && ev[i].events & EPOLLIN) + is_inotify = true; + else if (ev[i].data.fd == fd_ctrl && ev[i].events & EPOLLIN) + is_ctrl = true; + } + + /* check for changed config, every 3 seconds at most */ + if ((now_usec() - last_usec) > 3 * 1000 * 1000) { + if (check_rules_timestamp(udev)) + reload = true; + if (udev_builtin_validate(udev)) + reload = true; + + last_usec = now_usec(); + } + + /* reload requested, HUP signal received, rules changed, builtin changed */ + if (reload) { + worker_kill(udev, 0); + rules = udev_rules_unref(rules); + udev_builtin_exit(udev); + reload = 0; + } + + /* event has finished */ + if (is_worker) + worker_returned(fd_worker); + + if (is_netlink) { + struct udev_device *dev; + + dev = udev_monitor_receive_device(monitor); + if (dev != NULL) { + udev_device_set_usec_initialized(dev, now_usec()); + if (event_queue_insert(dev) < 0) + udev_device_unref(dev); + } + } + + /* start new events */ + if (!udev_list_node_is_empty(&event_list) && !udev_exit && !stop_exec_queue) { + if (rules == NULL) + rules = udev_rules_new(udev, resolve_names); + if (rules != NULL) + event_queue_start(udev); + } + + if (is_signal) { + struct signalfd_siginfo fdsi; + ssize_t size; + + size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo)); + if (size == sizeof(struct signalfd_siginfo)) + handle_signal(udev, fdsi.ssi_signo); + } + + /* we are shutting down, the events below are not handled anymore */ + if (udev_exit) + continue; + + /* device node watch */ + if (is_inotify) + handle_inotify(udev); + + /* + * This needs to be after the inotify handling, to make sure, + * that the ping is send back after the possibly generated + * "change" events by the inotify device node watch. + * + * A single time we may receive a client connection which we need to + * keep open to block the client. It will be closed right before we + * exit. + */ + if (is_ctrl) + ctrl_conn = handle_ctrl_msg(udev_ctrl); + } + + rc = EXIT_SUCCESS; exit: - udev_queue_export_cleanup(udev_queue_export); - udev_ctrl_cleanup(udev_ctrl); + udev_queue_export_cleanup(udev_queue_export); + udev_ctrl_cleanup(udev_ctrl); exit_daemonize: - if (fd_ep >= 0) - close(fd_ep); - worker_list_cleanup(udev); - event_queue_cleanup(udev, EVENT_UNDEF); - udev_rules_unref(rules); - udev_builtin_exit(udev); - if (fd_signal >= 0) - close(fd_signal); - if (worker_watch[READ_END] >= 0) - close(worker_watch[READ_END]); - if (worker_watch[WRITE_END] >= 0) - close(worker_watch[WRITE_END]); - udev_monitor_unref(monitor); - udev_queue_export_unref(udev_queue_export); - udev_ctrl_connection_unref(ctrl_conn); - udev_ctrl_unref(udev_ctrl); - udev_selinux_exit(udev); - udev_unref(udev); - udev_log_close(); - return rc; + if (fd_ep >= 0) + close(fd_ep); + worker_list_cleanup(udev); + event_queue_cleanup(udev, EVENT_UNDEF); + udev_rules_unref(rules); + udev_builtin_exit(udev); + if (fd_signal >= 0) + close(fd_signal); + if (worker_watch[READ_END] >= 0) + close(worker_watch[READ_END]); + if (worker_watch[WRITE_END] >= 0) + close(worker_watch[WRITE_END]); + udev_monitor_unref(monitor); + udev_queue_export_unref(udev_queue_export); + udev_ctrl_connection_unref(ctrl_conn); + udev_ctrl_unref(udev_ctrl); + udev_selinux_exit(udev); + udev_unref(udev); + udev_log_close(); + return rc; } diff --git a/test/rules-test.sh b/test/rules-test.sh index 511f05d9e..1e224ff8b 100755 --- a/test/rules-test.sh +++ b/test/rules-test.sh @@ -1,17 +1,15 @@ -#!/usr/bin/env sh +#!/bin/sh # Call the udev rule syntax checker on all rules that we ship # # (C) 2010 Canonical Ltd. # Author: Martin Pitt -set -e - [ -n "$srcdir" ] || srcdir=`dirname $0`/.. # skip if we don't have python type python >/dev/null 2>&1 || { - echo "$0: No python installed, skipping udev rule syntax check" - exit 0 + echo "$0: No python installed, skipping udev rule syntax check" + exit 0 } $srcdir/test/rule-syntax-check.py `find $srcdir/rules -name '*.rules'` diff --git a/test/udev-test.pl b/test/udev-test.pl index 999c1f76e..0d30a2c47 100755 --- a/test/udev-test.pl +++ b/test/udev-test.pl @@ -20,159 +20,159 @@ use warnings; use strict; -my $PWD = $ENV{PWD}; -my $sysfs = "test/sys"; -my $udev_bin = "src/test-udev"; -my $valgrind = 0; -my $udev_bin_valgrind = "valgrind --tool=memcheck --leak-check=yes --quiet $udev_bin"; -my $udev_root = "udev-root"; -my $udev_conf = "udev-test.conf"; -my $udev_rules = "udev-test.rules"; +my $PWD = $ENV{PWD}; +my $sysfs = "test/sys"; +my $udev_bin = "src/test-udev"; +my $valgrind = 0; +my $udev_bin_valgrind = "valgrind --tool=memcheck --leak-check=yes --quiet $udev_bin"; +my $udev_root = "udev-root"; +my $udev_conf = "udev-test.conf"; +my $udev_rules = "udev-test.rules"; my @tests = ( - { - desc => "no rules", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "sda" , - exp_rem_error => "yes", - rules => < "no rules", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "sda" , + exp_rem_error => "yes", + rules => < "label test of scsi disc", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "boot_disk" , - rules => < "label test of scsi disc", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "boot_disk" , + rules => < "label test of scsi disc", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "boot_disk" , - rules => < "label test of scsi disc", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "boot_disk" , + rules => < "label test of scsi disc", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "boot_disk" , - rules => < "label test of scsi disc", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "boot_disk" , + rules => < "label test of scsi partition", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "boot_disk1" , - rules => < "label test of scsi partition", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "boot_disk1" , + rules => < "label test of pattern match", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "boot_disk1" , - rules => < "label test of pattern match", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "boot_disk1" , + rules => < "label test of multiple sysfs files", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "boot_disk1" , - rules => < "label test of multiple sysfs files", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "boot_disk1" , + rules => < "label test of max sysfs files (skip invalid rule)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "boot_disk1" , - rules => < "label test of max sysfs files (skip invalid rule)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "boot_disk1" , + rules => < "catch device by *", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem/0" , - rules => < "catch device by *", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem/0" , + rules => < "catch device by * - take 2", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem/0" , - rules => < "catch device by * - take 2", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem/0" , + rules => < "catch device by ?", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem/0" , - rules => < "catch device by ?", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem/0" , + rules => < "catch device by character class", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem/0" , - rules => < "catch device by character class", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem/0" , + rules => < "replace kernel name", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "replace kernel name", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "Handle comment lines in config file (and replace kernel name)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "Handle comment lines in config file (and replace kernel name)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "Handle comment lines in config file with whitespace (and replace kernel name)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "Handle comment lines in config file with whitespace (and replace kernel name)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "Handle whitespace only lines (and replace kernel name)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "whitespace" , - rules => < "Handle whitespace only lines (and replace kernel name)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "whitespace" , + rules => < "Handle empty lines in config file (and replace kernel name)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "Handle empty lines in config file (and replace kernel name)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "Handle backslashed multi lines in config file (and replace kernel name)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "Handle backslashed multi lines in config file (and replace kernel name)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "preserve backslashes, if they are not for a newline", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "aaa", - rules => < "preserve backslashes, if they are not for a newline", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "aaa", + rules => < "Handle stupid backslashed multi lines in config file (and replace kernel name)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "Handle stupid backslashed multi lines in config file (and replace kernel name)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "subdirectory handling", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "sub/direct/ory/modem" , - rules => < "subdirectory handling", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "sub/direct/ory/modem" , + rules => < "parent device name match of scsi partition", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "first_disk5" , - rules => < "parent device name match of scsi partition", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "first_disk5" , + rules => < "test substitution chars", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "Major:8:minor:5:kernelnumber:5:id:0:0:0:0" , - rules => < "test substitution chars", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "Major:8:minor:5:kernelnumber:5:id:0:0:0:0" , + rules => < "import of shell-value file", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "subdir/err/node" , - rules => < "import of shell-value file", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "subdir/err/node" , + rules => < "import of shell-value returned from program", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node12345678", - rules => < "import of shell-value returned from program", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node12345678", + rules => < "sustitution of sysfs value (%s{file})", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "disk-ATA-sda" , - rules => < "sustitution of sysfs value (%s{file})", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "disk-ATA-sda" , + rules => < "program result substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "special-device-5" , - not_exp_name => "not" , - rules => < "program result substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "special-device-5" , + not_exp_name => "not" , + rules => < "program result substitution (newline removal)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "newline_removed" , - rules => < "program result substitution (newline removal)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "newline_removed" , + rules => < "program result substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "test-0:0:0:0" , - rules => < "program result substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "test-0:0:0:0" , + rules => < "program with lots of arguments", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "foo9" , - rules => < "program with lots of arguments", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "foo9" , + rules => < "program with subshell", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "bar9" , - rules => < "program with subshell", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "bar9" , + rules => < "program arguments combined with apostrophes", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "foo7" , - rules => < "program arguments combined with apostrophes", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "foo7" , + rules => < "characters before the %c{N} substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "my-foo9" , - rules => < "characters before the %c{N} substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "my-foo9" , + rules => < "substitute the second to last argument", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "my-foo8" , - rules => < "substitute the second to last argument", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "my-foo8" , + rules => < "test substitution by variable name", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "Major:8-minor:5-kernelnumber:5-id:0:0:0:0", - rules => < "test substitution by variable name", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "Major:8-minor:5-kernelnumber:5-id:0:0:0:0", + rules => < "test substitution by variable name 2", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "Major:8-minor:5-kernelnumber:5-id:0:0:0:0", - rules => < "test substitution by variable name 2", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "Major:8-minor:5-kernelnumber:5-id:0:0:0:0", + rules => < "test substitution by variable name 3", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "850:0:0:05" , - rules => < "test substitution by variable name 3", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "850:0:0:05" , + rules => < "test substitution by variable name 4", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "855" , - rules => < "test substitution by variable name 4", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "855" , + rules => < "test substitution by variable name 5", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "8550:0:0:0" , - rules => < "test substitution by variable name 5", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "8550:0:0:0" , + rules => < "non matching SUBSYSTEMS for device with no parent", - devpath => "/devices/virtual/tty/console", - exp_name => "TTY", - rules => < "non matching SUBSYSTEMS for device with no parent", + devpath => "/devices/virtual/tty/console", + exp_name => "TTY", + rules => < "non matching SUBSYSTEMS", - devpath => "/devices/virtual/tty/console", - exp_name => "TTY" , - rules => < "non matching SUBSYSTEMS", + devpath => "/devices/virtual/tty/console", + exp_name => "TTY" , + rules => < "ATTRS match", - devpath => "/devices/virtual/tty/console", - exp_name => "foo" , - rules => < "ATTRS match", + devpath => "/devices/virtual/tty/console", + exp_name => "foo" , + rules => < "ATTR (empty file)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "empty" , - rules => < "ATTR (empty file)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "empty" , + rules => < "ATTR (non-existent file)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "non-existent" , - rules => < "ATTR (non-existent file)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "non-existent" , + rules => < "program and bus type match", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "scsi-0:0:0:0" , - rules => < "program and bus type match", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "scsi-0:0:0:0" , + rules => < "sysfs parent hierarchy", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem" , - rules => < "sysfs parent hierarchy", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem" , + rules => < "name test with ! in the name", - devpath => "/devices/virtual/block/fake!blockdev0", - exp_name => "is/a/fake/blockdev0" , - rules => < "name test with ! in the name", + devpath => "/devices/virtual/block/fake!blockdev0", + exp_name => "is/a/fake/blockdev0" , + rules => < "name test with ! in the name, but no matching rule", - devpath => "/devices/virtual/block/fake!blockdev0", - exp_name => "fake/blockdev0" , - exp_rem_error => "yes", - rules => < "name test with ! in the name, but no matching rule", + devpath => "/devices/virtual/block/fake!blockdev0", + exp_name => "fake/blockdev0" , + exp_rem_error => "yes", + rules => < "KERNELS rule", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "scsi-0:0:0:0", - rules => < "KERNELS rule", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "scsi-0:0:0:0", + rules => < "KERNELS wildcard all", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "scsi-0:0:0:0", - rules => < "KERNELS wildcard all", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "scsi-0:0:0:0", + rules => < "KERNELS wildcard partial", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "scsi-0:0:0:0", - rules => < "KERNELS wildcard partial", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "scsi-0:0:0:0", + rules => < "KERNELS wildcard partial 2", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "scsi-0:0:0:0", - rules => < "KERNELS wildcard partial 2", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "scsi-0:0:0:0", + rules => < "substitute attr with link target value (first match)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "driver-is-sd", - rules => < "substitute attr with link target value (first match)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "driver-is-sd", + rules => < "substitute attr with link target value (currently selected device)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "driver-is-ahci", - rules => < "substitute attr with link target value (currently selected device)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "driver-is-ahci", + rules => < "ignore ATTRS attribute whitespace", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "ignored", - rules => < "ignore ATTRS attribute whitespace", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "ignored", + rules => < "do not ignore ATTRS attribute whitespace", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "matched-with-space", - rules => < "do not ignore ATTRS attribute whitespace", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "matched-with-space", + rules => < "permissions USER=bad GROUP=name", - devpath => "/devices/virtual/tty/tty33", - exp_name => "tty33", - exp_perms => "0:0:0600", - rules => < "permissions USER=bad GROUP=name", + devpath => "/devices/virtual/tty/tty33", + exp_name => "tty33", + exp_perms => "0:0:0600", + rules => < "permissions OWNER=5000", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => "5000::0600", - rules => < "permissions OWNER=5000", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => "5000::0600", + rules => < "permissions GROUP=100", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => ":100:0660", - rules => < "permissions GROUP=100", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => ":100:0660", + rules => < "textual user id", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => "nobody::0600", - rules => < "textual user id", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => "nobody::0600", + rules => < "textual group id", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => ":daemon:0660", - rules => < "textual group id", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => ":daemon:0660", + rules => < "textual user/group id", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => "root:mail:0660", - rules => < "textual user/group id", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => "root:mail:0660", + rules => < "permissions MODE=0777", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => "::0777", - rules => < "permissions MODE=0777", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => "::0777", + rules => < "permissions OWNER=5000 GROUP=100 MODE=0777", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_perms => "5000:100:0777", - rules => < "permissions OWNER=5000 GROUP=100 MODE=0777", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_perms => "5000:100:0777", + rules => < "permissions OWNER to 5000", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => "5000::", - rules => < "permissions OWNER to 5000", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => "5000::", + rules => < "permissions GROUP to 100", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => ":100:0660", - rules => < "permissions GROUP to 100", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => ":100:0660", + rules => < "permissions MODE to 0060", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => "::0060", - rules => < "permissions MODE to 0060", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => "::0060", + rules => < "permissions OWNER, GROUP, MODE", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => "5000:100:0777", - rules => < "permissions OWNER, GROUP, MODE", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => "5000:100:0777", + rules => < "permissions only rule", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => "5000:100:0777", - rules => < "permissions only rule", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => "5000:100:0777", + rules => < "multiple permissions only rule", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => "3000:4000:0777", - rules => < "multiple permissions only rule", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => "3000:4000:0777", + rules => < "permissions only rule with override at SYMLINK+ rule", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "ttyACM0", - exp_perms => "3000:8000:0777", - rules => < "permissions only rule with override at SYMLINK+ rule", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "ttyACM0", + exp_perms => "3000:8000:0777", + rules => < "major/minor number test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - exp_majorminor => "8:0", - rules => < "major/minor number test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + exp_majorminor => "8:0", + rules => < "big major number test", - devpath => "/devices/virtual/misc/misc-fake1", - exp_name => "node", - exp_majorminor => "4095:1", - rules => < "big major number test", + devpath => "/devices/virtual/misc/misc-fake1", + exp_name => "node", + exp_majorminor => "4095:1", + rules => < "big major and big minor number test", - devpath => "/devices/virtual/misc/misc-fake89999", - exp_name => "node", - exp_majorminor => "4095:89999", - rules => < "big major and big minor number test", + devpath => "/devices/virtual/misc/misc-fake89999", + exp_name => "node", + exp_majorminor => "4095:89999", + rules => < "multiple symlinks with format char", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "symlink2-ttyACM0", - rules => < "multiple symlinks with format char", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "symlink2-ttyACM0", + rules => < "multiple symlinks with a lot of s p a c e s", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "one", - not_exp_name => " ", - rules => < "multiple symlinks with a lot of s p a c e s", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "one", + not_exp_name => " ", + rules => < "symlink creation (same directory)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "modem0", - rules => < "symlink creation (same directory)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "modem0", + rules => < "multiple symlinks", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "second-0" , - rules => < "multiple symlinks", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "second-0" , + rules => < "symlink name '.'", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => ".", - exp_add_error => "yes", - exp_rem_error => "yes", - rules => < "symlink name '.'", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => ".", + exp_add_error => "yes", + exp_rem_error => "yes", + rules => < "symlink node to itself", - devpath => "/devices/virtual/tty/tty0", - exp_name => "link", - exp_add_error => "yes", - exp_rem_error => "yes", - option => "clean", - rules => < "symlink node to itself", + devpath => "/devices/virtual/tty/tty0", + exp_name => "link", + exp_add_error => "yes", + exp_rem_error => "yes", + option => "clean", + rules => < "symlink %n substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "symlink0", - rules => < "symlink %n substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "symlink0", + rules => < "symlink %k substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "symlink-ttyACM0", - rules => < "symlink %k substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "symlink-ttyACM0", + rules => < "symlink %M:%m substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "major-166:0", - rules => < "symlink %M:%m substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "major-166:0", + rules => < "symlink %b substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "symlink-0:0:0:0", - rules => < "symlink %b substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "symlink-0:0:0:0", + rules => < "symlink %c substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "test", - rules => < "symlink %c substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "test", + rules => < "symlink %c{N} substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "test", - rules => < "symlink %c{N} substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "test", + rules => < "symlink %c{N+} substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "this", - rules => < "symlink %c{N+} substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "this", + rules => < "symlink only rule with %c{N+}", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "test", - rules => < "symlink only rule with %c{N+}", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "test", + rules => < "symlink %s{filename} substitution", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "166:0", - rules => < "symlink %s{filename} substitution", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "166:0", + rules => < "program result substitution (numbered part of)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "link1", - rules => < "program result substitution (numbered part of)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "link1", + rules => < "program result substitution (numbered part of+)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", - exp_name => "link4", - rules => < "program result substitution (numbered part of+)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5", + exp_name => "link4", + rules => < "SUBSYSTEM match test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - rules => < "SUBSYSTEM match test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + rules => < "DRIVERS match test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - rules => < "DRIVERS match test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + rules => < "devnode substitution test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node", - rules => < "devnode substitution test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node", + rules => < "parent node name substitution test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "sda-part-1", - rules => < "parent node name substitution test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "sda-part-1", + rules => < "udev_root substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "start-udev-root-end", - rules => < "udev_root substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "start-udev-root-end", + rules => < "last_rule option", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "last", - rules => < "last_rule option", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "last", + rules => < "negation KERNEL!=", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "match", - rules => < "negation KERNEL!=", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "match", + rules => < "negation SUBSYSTEM!=", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "not-anything", - rules => < "negation SUBSYSTEM!=", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "not-anything", + rules => < "negation PROGRAM!= exit code", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "nonzero-program", - rules => < "negation PROGRAM!= exit code", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "nonzero-program", + rules => < "test for whitespace between the operator", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "true", - rules => < "test for whitespace between the operator", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "true", + rules => < "ENV{} test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "true", - rules => < "ENV{} test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "true", + rules => < "ENV{} test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "true", - rules => < "ENV{} test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "true", + rules => < "ENV{} test (assign)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "true", - rules => < "ENV{} test (assign)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "true", + rules => < "ENV{} test (assign 2 times)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "true", - rules => < "ENV{} test (assign 2 times)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "true", + rules => < "ENV{} test (assign2)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "part", - rules => < "ENV{} test (assign2)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "part", + rules => < "untrusted string sanitize", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "sane", - rules => < "untrusted string sanitize", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "sane", + rules => < "untrusted string sanitize (don't replace utf8)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "uber", - rules => < "untrusted string sanitize (don't replace utf8)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "uber", + rules => < "untrusted string sanitize (replace invalid utf8)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "replaced", - rules => < "untrusted string sanitize (replace invalid utf8)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "replaced", + rules => < "read sysfs value from parent device", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "serial-354172020305000", - rules => < "read sysfs value from parent device", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "serial-354172020305000", + rules => < "match against empty key string", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "ok", - rules => < "match against empty key string", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "ok", + rules => < "check ACTION value", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "ok", - rules => < "check ACTION value", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "ok", + rules => < "final assignment", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "ok", - exp_perms => "root:tty:0640", - rules => < "final assignment", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "ok", + exp_perms => "root:tty:0640", + rules => < "final assignment 2", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "ok", - exp_perms => "root:tty:0640", - rules => < "final assignment 2", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "ok", + exp_perms => "root:tty:0640", + rules => < "env substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "node-add-me", - rules => < "env substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "node-add-me", + rules => < "reset list to current value", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "three", - not_exp_name => "two", - rules => < "reset list to current value", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "three", + not_exp_name => "two", + rules => < "test empty SYMLINK+ (empty override)", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "right", - not_exp_name => "wrong", - rules => < "test empty SYMLINK+ (empty override)", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "right", + not_exp_name => "wrong", + rules => < "test multi matches", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "right", - rules => < "test multi matches", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "right", + rules => < "test multi matches 2", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "right", - rules => < "test multi matches 2", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "right", + rules => < "test multi matches 3", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "right", - rules => < "test multi matches 3", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "right", + rules => < "test multi matches 4", - devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", - exp_name => "right", - rules => < "test multi matches 4", + devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0", + exp_name => "right", + rules => < "IMPORT parent test sequence 1/2 (keep)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "parent", - option => "keep", - rules => < "IMPORT parent test sequence 1/2 (keep)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "parent", + option => "keep", + rules => < "IMPORT parent test sequence 2/2 (keep)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "parentenv-parent_right", - option => "clean", - rules => < "IMPORT parent test sequence 2/2 (keep)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "parentenv-parent_right", + option => "clean", + rules => < "GOTO test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "right", - rules => < "GOTO test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "right", + rules => < "GOTO label does not exist", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "right", - rules => < "GOTO label does not exist", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "right", + rules => < "SYMLINK+ compare test", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "right", - not_exp_name => "wrong", - rules => < "SYMLINK+ compare test", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "right", + not_exp_name => "wrong", + rules => < "invalid key operation", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "yes", - rules => < "invalid key operation", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "yes", + rules => < "operator chars in attribute", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "yes", - rules => < "operator chars in attribute", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "yes", + rules => < "overlong comment line", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", - exp_name => "yes", - rules => < "overlong comment line", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1", + exp_name => "yes", + rules => < "magic subsys/kernel lookup", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "00:16:41:e2:8d:ff", - rules => < "magic subsys/kernel lookup", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "00:16:41:e2:8d:ff", + rules => < "TEST absolute path", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "there", - rules => < "TEST absolute path", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "there", + rules => < "TEST subsys/kernel lookup", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "yes", - rules => < "TEST subsys/kernel lookup", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "yes", + rules => < "TEST relative path", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "relative", - rules => < "TEST relative path", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "relative", + rules => < "TEST wildcard substitution (find queue/nr_requests)", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "found-subdir", - rules => < "TEST wildcard substitution (find queue/nr_requests)", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "found-subdir", + rules => < "TEST MODE=0000", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "sda", - exp_perms => "0:0:0000", - exp_rem_error => "yes", - rules => < "TEST MODE=0000", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "sda", + exp_perms => "0:0:0000", + exp_rem_error => "yes", + rules => < "TEST PROGRAM feeds OWNER, GROUP, MODE", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "sda", - exp_perms => "5000:100:0400", - exp_rem_error => "yes", - rules => < "TEST PROGRAM feeds OWNER, GROUP, MODE", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "sda", + exp_perms => "5000:100:0400", + exp_rem_error => "yes", + rules => < "TEST PROGRAM feeds MODE with overflow", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "sda", - exp_perms => "0:0:0440", - exp_rem_error => "yes", - rules => < "TEST PROGRAM feeds MODE with overflow", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "sda", + exp_perms => "0:0:0440", + exp_rem_error => "yes", + rules => < "magic [subsys/sysname] attribute substitution", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "sda-8741C4G-end", - exp_perms => "0:0:0600", - rules => < "magic [subsys/sysname] attribute substitution", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "sda-8741C4G-end", + exp_perms => "0:0:0600", + rules => < "builtin path_id", - devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", - exp_name => "disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0", - rules => < "builtin path_id", + devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda", + exp_name => "disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0", + rules => <$udev_rules" || die "unable to create rules file: $udev_rules"; - print CONF $$rules; - close CONF; + # create temporary rules + open CONF, ">$udev_rules" || die "unable to create rules file: $udev_rules"; + print CONF $$rules; + close CONF; - if ($valgrind > 0) { - system("$udev_bin_valgrind $action $devpath"); - } else { - system("$udev_bin $action $devpath"); - } + if ($valgrind > 0) { + system("$udev_bin_valgrind $action $devpath"); + } else { + system("$udev_bin $action $devpath"); + } } my $error = 0; sub permissions_test { - my($rules, $uid, $gid, $mode) = @_; + my($rules, $uid, $gid, $mode) = @_; - my $wrong = 0; - my $userid; - my $groupid; + my $wrong = 0; + my $userid; + my $groupid; - $rules->{exp_perms} =~ m/^(.*):(.*):(.*)$/; - if ($1 ne "") { - if (defined(getpwnam($1))) { - $userid = int(getpwnam($1)); - } else { - $userid = $1; - } - if ($uid != $userid) { $wrong = 1; } - } - if ($2 ne "") { - if (defined(getgrnam($2))) { - $groupid = int(getgrnam($2)); - } else { - $groupid = $2; - } - if ($gid != $groupid) { $wrong = 1; } - } - if ($3 ne "") { - if (($mode & 07777) != oct($3)) { $wrong = 1; }; - } - if ($wrong == 0) { - print "permissions: ok\n"; - } else { - printf " expected permissions are: %s:%s:%#o\n", $1, $2, oct($3); - printf " created permissions are : %i:%i:%#o\n", $uid, $gid, $mode & 07777; - print "permissions: error\n"; - $error++; - sleep(1); - } + $rules->{exp_perms} =~ m/^(.*):(.*):(.*)$/; + if ($1 ne "") { + if (defined(getpwnam($1))) { + $userid = int(getpwnam($1)); + } else { + $userid = $1; + } + if ($uid != $userid) { $wrong = 1; } + } + if ($2 ne "") { + if (defined(getgrnam($2))) { + $groupid = int(getgrnam($2)); + } else { + $groupid = $2; + } + if ($gid != $groupid) { $wrong = 1; } + } + if ($3 ne "") { + if (($mode & 07777) != oct($3)) { $wrong = 1; }; + } + if ($wrong == 0) { + print "permissions: ok\n"; + } else { + printf " expected permissions are: %s:%s:%#o\n", $1, $2, oct($3); + printf " created permissions are : %i:%i:%#o\n", $uid, $gid, $mode & 07777; + print "permissions: error\n"; + $error++; + sleep(1); + } } sub major_minor_test { - my($rules, $rdev) = @_; + my($rules, $rdev) = @_; - my $major = ($rdev >> 8) & 0xfff; - my $minor = ($rdev & 0xff) | (($rdev >> 12) & 0xfff00); - my $wrong = 0; + my $major = ($rdev >> 8) & 0xfff; + my $minor = ($rdev & 0xff) | (($rdev >> 12) & 0xfff00); + my $wrong = 0; - $rules->{exp_majorminor} =~ m/^(.*):(.*)$/; - if ($1 ne "") { - if ($major != $1) { $wrong = 1; }; - } - if ($2 ne "") { - if ($minor != $2) { $wrong = 1; }; - } - if ($wrong == 0) { - print "major:minor: ok\n"; - } else { - printf " expected major:minor is: %i:%i\n", $1, $2; - printf " created major:minor is : %i:%i\n", $major, $minor; - print "major:minor: error\n"; - $error++; - sleep(1); - } + $rules->{exp_majorminor} =~ m/^(.*):(.*)$/; + if ($1 ne "") { + if ($major != $1) { $wrong = 1; }; + } + if ($2 ne "") { + if ($minor != $2) { $wrong = 1; }; + } + if ($wrong == 0) { + print "major:minor: ok\n"; + } else { + printf " expected major:minor is: %i:%i\n", $1, $2; + printf " created major:minor is : %i:%i\n", $major, $minor; + print "major:minor: error\n"; + $error++; + sleep(1); + } } sub make_udev_root { - system("rm -rf $udev_root"); - mkdir($udev_root) || die "unable to create udev_root: $udev_root\n"; - # setting group and mode of udev_root ensures the tests work - # even if the parent directory has setgid bit enabled. - chown (0, 0, $udev_root) || die "unable to chown $udev_root\n"; - chmod (0755, $udev_root) || die "unable to chmod $udev_root\n"; + system("rm -rf $udev_root"); + mkdir($udev_root) || die "unable to create udev_root: $udev_root\n"; + # setting group and mode of udev_root ensures the tests work + # even if the parent directory has setgid bit enabled. + chown (0, 0, $udev_root) || die "unable to chown $udev_root\n"; + chmod (0755, $udev_root) || die "unable to chmod $udev_root\n"; } sub run_test { - my ($rules, $number) = @_; + my ($rules, $number) = @_; - print "TEST $number: $rules->{desc}\n"; - print "device \'$rules->{devpath}\' expecting node/link \'$rules->{exp_name}\'\n"; + print "TEST $number: $rules->{desc}\n"; + print "device \'$rules->{devpath}\' expecting node/link \'$rules->{exp_name}\'\n"; - udev("add", $rules->{devpath}, \$rules->{rules}); - if (defined($rules->{not_exp_name})) { - if ((-e "$PWD/$udev_root/$rules->{not_exp_name}") || - (-l "$PWD/$udev_root/$rules->{not_exp_name}")) { - print "nonexistent: error \'$rules->{not_exp_name}\' not expected to be there\n"; - $error++; - sleep(1); - } - } + udev("add", $rules->{devpath}, \$rules->{rules}); + if (defined($rules->{not_exp_name})) { + if ((-e "$PWD/$udev_root/$rules->{not_exp_name}") || + (-l "$PWD/$udev_root/$rules->{not_exp_name}")) { + print "nonexistent: error \'$rules->{not_exp_name}\' not expected to be there\n"; + $error++; + sleep(1); + } + } - if ((-e "$PWD/$udev_root/$rules->{exp_name}") || - (-l "$PWD/$udev_root/$rules->{exp_name}")) { + if ((-e "$PWD/$udev_root/$rules->{exp_name}") || + (-l "$PWD/$udev_root/$rules->{exp_name}")) { - my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, - $atime, $mtime, $ctime, $blksize, $blocks) = stat("$PWD/$udev_root/$rules->{exp_name}"); + my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, + $atime, $mtime, $ctime, $blksize, $blocks) = stat("$PWD/$udev_root/$rules->{exp_name}"); - if (defined($rules->{exp_perms})) { - permissions_test($rules, $uid, $gid, $mode); - } - if (defined($rules->{exp_majorminor})) { - major_minor_test($rules, $rdev); - } - print "add: ok\n"; - } else { - print "add: error"; - if ($rules->{exp_add_error}) { - print " as expected\n"; - } else { - print "\n"; - system("tree $udev_root"); - print "\n"; - $error++; - sleep(1); - } - } + if (defined($rules->{exp_perms})) { + permissions_test($rules, $uid, $gid, $mode); + } + if (defined($rules->{exp_majorminor})) { + major_minor_test($rules, $rdev); + } + print "add: ok\n"; + } else { + print "add: error"; + if ($rules->{exp_add_error}) { + print " as expected\n"; + } else { + print "\n"; + system("tree $udev_root"); + print "\n"; + $error++; + sleep(1); + } + } - if (defined($rules->{option}) && $rules->{option} eq "keep") { - print "\n\n"; - return; - } + if (defined($rules->{option}) && $rules->{option} eq "keep") { + print "\n\n"; + return; + } - udev("remove", $rules->{devpath}, \$rules->{rules}); - if ((-e "$PWD/$udev_root/$rules->{exp_name}") || - (-l "$PWD/$udev_root/$rules->{exp_name}")) { - print "remove: error"; - if ($rules->{exp_rem_error}) { - print " as expected\n"; - } else { - print "\n"; - system("tree $udev_root"); - print "\n"; - $error++; - sleep(1); - } - } else { - print "remove: ok\n"; - } + udev("remove", $rules->{devpath}, \$rules->{rules}); + if ((-e "$PWD/$udev_root/$rules->{exp_name}") || + (-l "$PWD/$udev_root/$rules->{exp_name}")) { + print "remove: error"; + if ($rules->{exp_rem_error}) { + print " as expected\n"; + } else { + print "\n"; + system("tree $udev_root"); + print "\n"; + $error++; + sleep(1); + } + } else { + print "remove: ok\n"; + } - print "\n"; + print "\n"; - if (defined($rules->{option}) && $rules->{option} eq "clean") { - make_udev_root (); - } + if (defined($rules->{option}) && $rules->{option} eq "clean") { + make_udev_root (); + } } # only run if we have root permissions # due to mknod restrictions if (!($<==0)) { - print "Must have root permissions to run properly.\n"; - exit; + print "Must have root permissions to run properly.\n"; + exit; } # prepare @@ -1520,31 +1520,31 @@ my $test_num = 1; my @list; foreach my $arg (@ARGV) { - if ($arg =~ m/--valgrind/) { - $valgrind = 1; - printf("using valgrind\n"); - } else { - push(@list, $arg); - } + if ($arg =~ m/--valgrind/) { + $valgrind = 1; + printf("using valgrind\n"); + } else { + push(@list, $arg); + } } if ($list[0]) { - foreach my $arg (@list) { - if (defined($tests[$arg-1]->{desc})) { - print "udev-test will run test number $arg:\n\n"; - run_test($tests[$arg-1], $arg); - } else { - print "test does not exist.\n"; - } - } + foreach my $arg (@list) { + if (defined($tests[$arg-1]->{desc})) { + print "udev-test will run test number $arg:\n\n"; + run_test($tests[$arg-1], $arg); + } else { + print "test does not exist.\n"; + } + } } else { - # test all - print "\nudev-test will run ".($#tests + 1)." tests:\n\n"; + # test all + print "\nudev-test will run ".($#tests + 1)." tests:\n\n"; - foreach my $rules (@tests) { - run_test($rules, $test_num); - $test_num++; - } + foreach my $rules (@tests) { + run_test($rules, $test_num); + $test_num++; + } } print "$error errors occured\n\n"; -- 2.30.2