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34 lines
1.5 KiB
Diff
34 lines
1.5 KiB
Diff
From: Martin Pitt <martin.pitt@ubuntu.com>
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Date: Fri, 4 Sep 2009 15:12:28 +0000 (+0200)
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Subject: make raw USB printer devices accessible for lp
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X-Git-Url: http://git.kernel.org/?p=linux%2Fhotplug%2Fudev.git;a=commitdiff_plain;h=f61e72d8973cf9d889a4f1233150870085c0b3e1
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make raw USB printer devices accessible for lp
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Starting from version 1.4, cups now uses libusb and printer USB devices instead
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of the usblp generated /dev/usb/lpX ones. In order to not require the cups USB
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backend to run as root now, change raw USB printer devices to be root:lp 0660,
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similar to usblpX devices.
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This might also enable the hplip backend to not run as root, since this has
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always used raw device nodes.
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https://launchpad.net/bugs/420015
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---
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diff --git a/rules/rules.d/50-udev-default.rules b/rules/rules.d/50-udev-default.rules
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index 2507420..4e9a737 100644
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--- a/rules/rules.d/50-udev-default.rules
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+++ b/rules/rules.d/50-udev-default.rules
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@@ -60,6 +60,10 @@ SUBSYSTEM=="ppdev", GROUP="lp"
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SUBSYSTEM=="usb", KERNEL=="lp*", NAME="usb/%k", SYMLINK+="usb%k", GROUP="lp"
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KERNEL=="lp[0-9]*", GROUP="lp"
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KERNEL=="irlpt[0-9]*", GROUP="lp"
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+# hplip and cups 1.4+ use raw USB devices, so permissions should be similar to
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+# the ones from the old usblp kernel module
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+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="", IMPORT{program}="usb_id --export %p"
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+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}==":0701*:", GROUP="lp", MODE="660"
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# block
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SUBSYSTEM=="block", GROUP="disk"
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