[sane-devel] access right on multifunction devices

m. allan noah kitno455 at gmail.com
Mon Mar 23 15:17:48 UTC 2009

depends on your distro. more recent ones seem to have switched to
using hal and .fdi files to add ACLs for the logged in user, and dont
use a group anymore.


On Mon, Mar 23, 2009 at 3:36 AM, Giuseppe Sacco
<giuseppe at eppesuigoccas.homedns.org> wrote:
> Hi all,
> I am using sane on hp multifunction device, i.e., HP Photosmart C4180
> All-In-One. I currently use this device for printing, while I am
> starting using it for scanning. Every time I plug its cable, udev load
> the driver and set authorisations for device /dev/bus/usb/$HUB/$DEVICE.
> Those auths are such that root may do anything, the "lp" group may read
> and write, others might read.
> I cannot access the device via sane, since I am not a member of lp. My
> Debian box include a group called "scanner" and udev assign this group
> to /dev/bus/usb/$HUB/$DEVICE for my other scanners (EPSON and Fujitsu).
> I would like to know how other people solve this problem. Are you using
> ACLs? May you setup ACLs directly from udev? Do you create a different
> group, like lpsane, and add all users of "lp" and "sane" to this group?
> Thanks,
> Giuseppe
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