From f61e72d8973cf9d889a4f1233150870085c0b3e1 Mon Sep 17 00:00:00 2001 From: Martin Pitt Date: Fri, 4 Sep 2009 17:12:28 +0200 Subject: [PATCH] make raw USB printer devices accessible for lp Starting from version 1.4, cups now uses libusb and printer USB devices instead of the usblp generated /dev/usb/lpX ones. In order to not require the cups USB backend to run as root now, change raw USB printer devices to be root:lp 0660, similar to usblpX devices. This might also enable the hplip backend to not run as root, since this has always used raw device nodes. https://launchpad.net/bugs/420015 --- rules/rules.d/50-udev-default.rules | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/rules/rules.d/50-udev-default.rules b/rules/rules.d/50-udev-default.rules index 2507420b..4e9a7375 100644 --- a/rules/rules.d/50-udev-default.rules +++ b/rules/rules.d/50-udev-default.rules @@ -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" -- 2.39.5