simplify "symlink name stack"

[elogind.git] / rules / rules.d / 50-udev-default.rules

diff --git a/rules/rules.d/50-udev-default.rules b/rules/rules.d/50-udev-default.rules
index 2507420b2c8e9df5f48e8a40f6f17c85547a13c5..200e2b4e51b8fba52f6243c3d066de3257cd595b 100644 (file)
--- a/rules/rules.d/50-udev-default.rules
+++ b/rules/rules.d/50-udev-default.rules
@@ -1,7 +1,7 @@
 # do not edit this file, it will be overwritten on update
 
-SUBSYSTEM=="block", SYMLINK+="block/%M:%m"
-SUBSYSTEM!="block", SYMLINK+="char/%M:%m"
+SUBSYSTEM=="block", SYMLINK{unique}+="block/%M:%m"
+SUBSYSTEM!="block", SYMLINK{unique}+="char/%M:%m"
 
 KERNEL=="pty[pqrstuvwxyzabcdef][0123456789abcdef]", GROUP="tty", MODE="0660"
 KERNEL=="tty[pqrstuvwxyzabcdef][0123456789abcdef]", GROUP="tty", MODE="0660"
@@ -60,6 +60,10 @@ SUBSYSTEM=="ppdev",          GROUP="lp"
 SUBSYSTEM=="usb",              KERNEL=="lp*", NAME="usb/%k", SYMLINK+="usb%k", GROUP="lp"
 KERNEL=="lp[0-9]*",            GROUP="lp"
 KERNEL=="irlpt[0-9]*",         GROUP="lp"
+# hplip and cups 1.4+ use raw USB devices, so permissions should be similar to
+# the ones from the old usblp kernel module
+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="", IMPORT{program}="usb_id --export %p"
+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}==":0701*:", GROUP="lp", MODE="660"
 
 # block
 SUBSYSTEM=="block", GROUP="disk"