+++ /dev/null
-# Makefile for udev_dbus
-#
-# Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
-#
-# 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.
-#
-
-# Set the following to `true' to log the debug
-# and make a unstripped, unoptimized binary.
-# Leave this set to `false' for production use.
-DEBUG = false
-
-PROG = udev_dbus
-
-all: $(PROG)
-
-# override this to make udev look in a different location for it's config files
-prefix =
-exec_prefix = ${prefix}
-etcdir = ${prefix}/etc
-sbindir = ${exec_prefix}/sbin
-usrbindir = ${exec_prefix}/usr/bin
-usrsbindir = ${exec_prefix}/usr/sbin
-mandir = ${prefix}/usr/share/man
-devddir = ${etcdir}/dev.d/default
-dbusdir = ${etcdir}/dbus-1/system.d
-configdir = ${etcdir}/udev/
-initdir = ${etcdir}/init.d/
-srcdir = .
-
-INSTALL = /usr/bin/install -c
-INSTALL_PROGRAM = ${INSTALL}
-INSTALL_DATA = ${INSTALL} -m 644
-INSTALL_SCRIPT = ${INSTALL_PROGRAM}
-
-override CFLAGS+=-Wall -fno-builtin
-
-override CFLAGS += -DUSE_DBUS
-override CFLAGS += $(shell pkg-config --cflags dbus-1)
-override LDFLAGS += $(shell pkg-config --libs dbus-1)
-OBJS = udev_dbus.o
-
-$(PROG): $(OBJS)
- $(LD) $(LDFLAGS) -o $(PROG) $(CRT0) $(OBJS) ../../udev_lib.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
-
-clean:
- rm -f $(PROG) $(OBJS)
-
-spotless: clean
-
-
-install-dbus-policy:
- $(INSTALL) -d $(DESTDIR)$(dbusdir)
-
-uninstall-dbus-policy:
- - rm $(DESTDIR)$(dbusdir)/udev_sysbus_policy.conf
-
-install: install-dbus-policy all
- $(INSTALL_DATA) etc/dbus-1/system.d/udev_sysbus_policy.conf $(DESTDIR)$(dbusdir)
- $(INSTALL_PROGRAM) $(PROG) $(DESTDIR)$(usrsbindir)/$(PROG)
- - ln -s -f $(DESTDIR)$(usrsbindir)/$(PROG) $(DESTDIR)$(devddir)/$(PROG).dev
-
-uninstall: uninstall-dbus-policy
- - rm $(DESTDIR)$(devddir)/$(PROG).dev
- - rm $(DESTDIR)$(usrsbindir)/$(PROG)
-
+++ /dev/null
-/*
- * udev_dbus.c
- *
- * Copyright (C) 2003 David Zeuthen <david@fubar.dk>
- *
- * 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 distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <ctype.h>
-
-#define DBUS_API_SUBJECT_TO_CHANGE
-#include <dbus/dbus.h>
-
-#include "../../udev_lib.h"
-#include "../../logging.h"
-
-#ifdef LOG
-unsigned char logname[LOGNAME_SIZE];
-void log_message(int level, const char *format, ...)
-{
- va_list args;
-
- va_start(args, format);
- vsyslog(level, format, args);
- va_end(args);
-}
-#endif
-
-/* Variable for the connection the to system message bus or NULL
- * if we cannot connect or acquire the org.kernel.udev service
- */
-static DBusConnection* sysbus_connection;
-
-/* Disconnect from the system message bus */
-static void sysbus_disconnect(void)
-{
- if (sysbus_connection == NULL)
- return;
-
- dbus_connection_disconnect(sysbus_connection);
- sysbus_connection = NULL;
-}
-
-/* Connect to the system message bus */
-static void sysbus_connect(void)
-{
- DBusError error;
-
- /* Connect to a well-known bus instance, the system bus */
- dbus_error_init(&error);
- sysbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
- if (sysbus_connection == NULL) {
- dbg("cannot connect to system message bus, error %s: %s",
- error.name, error.message);
- dbus_error_free(&error);
- return;
- }
-
- /* Acquire the org.kernel.udev service such that listeners
- * know that the message is really from us and not from a
- * random attacker. See the file udev_sysbus_policy.conf for
- * details.
- *
- * Note that a service can have multiple owners (though there
- * is a concept of a primary owner for reception of messages)
- * so no race is introduced if two copies of udev is running
- * at the same time.
- */
- dbus_bus_acquire_service(sysbus_connection, "org.kernel.udev", 0,
- &error);
- if (dbus_error_is_set(&error)) {
- dbg("cannot acquire org.kernel.udev service, error %s: %s'",
- error.name, error.message);
- sysbus_disconnect();
- return;
- }
-}
-
-
-/* Send out a signal that a device node is created
- *
- * @param devname Name of the device node, e.g. /dev/sda1
- * @param path Sysfs path of device
- */
-static void sysbus_send_create(const char *devname, const char *path)
-{
- DBusMessage* message;
- DBusMessageIter iter;
-
- /* object, interface, member */
- message = dbus_message_new_signal("/org/kernel/udev/NodeMonitor",
- "org.kernel.udev.NodeMonitor",
- "NodeCreated");
-
- dbus_message_iter_init(message, &iter);
- dbus_message_iter_append_string(&iter, devname);
- dbus_message_iter_append_string(&iter, path);
-
- if ( !dbus_connection_send(sysbus_connection, message, NULL) )
- dbg("error sending d-bus signal");
-
- dbus_message_unref(message);
-
- dbus_connection_flush(sysbus_connection);
-}
-
-/* Send out a signal that a device node is deleted
- *
- * @param devname Name of the device node, e.g. /udev/sda1
- * @param path Sysfs path of device
- */
-static void sysbus_send_remove(const char *devname, const char *path)
-{
- DBusMessage* message;
- DBusMessageIter iter;
-
- /* object, interface, member */
- message = dbus_message_new_signal("/org/kernel/udev/NodeMonitor",
- "org.kernel.udev.NodeMonitor",
- "NodeDeleted");
-
- dbus_message_iter_init(message, &iter);
- dbus_message_iter_append_string(&iter, devname);
- dbus_message_iter_append_string(&iter, path);
-
- if ( !dbus_connection_send(sysbus_connection, message, NULL) )
- dbg("error sending d-bus signal");
-
- dbus_message_unref(message);
-
- dbus_connection_flush(sysbus_connection);
-}
-
-int main(int argc, char *argv[], char *envp[])
-{
- char *action;
- char *devpath;
- char *devname;
- int retval = 0;
-
- init_logging("udev_dbus");
-
- sysbus_connect();
- if (sysbus_connection == NULL)
- return 0;
-
- action = get_action();
- if (!action) {
- dbg("no action?");
- goto exit;
- }
- devpath = get_devpath();
- if (!devpath) {
- dbg("no devpath?");
- goto exit;
- }
- devname = get_devname();
- if (!devname) {
- dbg("no devname?");
- goto exit;
- }
-
- if (strcmp(action, "add") == 0) {
- sysbus_send_create(devname, devpath);
- } else {
- if (strcmp(action, "remove") == 0) {
- sysbus_send_remove(devname, devpath);
- } else {
- dbg("unknown action '%s'", action);
- retval = -EINVAL;
- }
- }
-
-exit:
- sysbus_disconnect();
- return retval;
-}
~ianmdlvl / elogind.git / commitdiff