On 04/06/2013 06:45 PM, Phil Dibowitz wrote: > Yup, all the usbnet stuff worked like a charm. I'll debug the rules hopefully > this weekend.
So I did a udevadm test on that device, but the problem is I don't quite get
how all the ID_REMOTE_CONTROL stuff works. We see it process that file:
parse_file: reading '/lib/udev/rules.d/60-libconcord.rules' as rules file
Which should set ENV{ID_REMOTE_CONTROL}=1
Then we see it process the udev-acl file that cares about that:
parse_file: reading '/lib/udev/rules.d/70-udev-acl.rules' as rules file
Which internally does:
# Programmable remote control
ENV{ID_REMOTE_CONTROL}=="1", TAG+="udev-acl"
Which then does:
# apply ACL for all locally logged in users
LABEL="acl_apply", TAG=="udev-acl", TEST=="/var/run/ConsoleKit/database", \
RUN+="udev-acl --action=$env{ACTION} --device=$env{DEVNAME}"
OK... hmm. I don't really understand that, but I ee this:
udev_rules_apply_to_event: RUN 'udev-acl --action=$env{ACTION}
--device=$env{DEVNAME}' /lib/udev/rules.d/70-udev-acl.rules:74
udev_rules_apply_to_event: MODE 0664 /lib/udev/rules.d/91-permissions.rules:36
udev_event_execute_rules: no node name set, will use kernel supplied name
'bus/usb/001/027'
udev_node_add: creating device node '/dev/bus/usb/001/027', devnum=189:26,
mode=01664, uid=0, gid=0
udev_node_mknod: preserve file '/dev/bus/usb/001/027', because it has correct
dev_t
udev_node_mknod: preserve permissions /dev/bus/usb/001/027, 021664, uid=0, gid=0
node_symlink: preserve already existing symlink '/dev/char/189:26' to
'../bus/usb/001/027'
udev_device_update_db: created db file '/run/udev/data/c189:26' for
'/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2'
...
run: 'udev-acl --action=add --device=/dev/bus/usb/001/027'
And I also see:
ID_REMOTE_CONTROL=1
So our rule are working. OK, so looking at that:
[phil@rider ~]$ ls -l !$
ls -l /dev/bus/usb/001/027
crw-rw-r-T 1 root root 189, 26 Apr 6 18:53 /dev/bus/usb/001/027
I don't really understand what goes on under the hood for udev-acl, so I don't
really know what else to look at... and some googling didn't really enlighten
me.
--
Phil Dibowitz p...@ipom.com
Open Source software and tech docs Insanity Palace of Metallica
http://www.phildev.net/ http://www.ipom.com/
"Be who you are and say what you feel, because those who mind don't matter
and those who matter don't mind."
- Dr. Seuss
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