On 08/31/2016 11:40 AM, fsmithred wrote:
> On 08/31/2016 10:38 AM, fsmithred wrote:
>> On 08/31/2016 07:17 AM, fsmithred wrote:
>>> On 08/31/2016 05:03 AM, Ralph Ronnquist wrote:
>>>> Ralph Ronnquist wrote on 31/08/16 15:54:
>>>>> Ralph Ronnquist wrote on 31/08/16 10:21:
>>>>>>
>>>>>>
>>>>>> fsmithred wrote on 31/08/16 07:54:
>>>>>>> ...
>>>>>>> I got it to work. Here's the action file and the helper script. The
>>>>>>> helper
>>>>>>> script is a modified permissions.sh. I added a test for $VDEV_MAJOR and
>>>>>>> $VDEV_MINOR to trigger setfacl. Scanner now works on my installation.
>>>>>>> ...
>>>>>>
>>>>>> Great. I'll roll it into the package.
>>>>>
>>>>> On looking at this, I saw the action file was rather different from
>>>>> other action files, and (as I'm slowly picking on this up) I'd like to
>>>>> check with you whether the following action file might do the work:
>>>>>
>>>>> /etc/vdev/actions/scanner.act
>>>>> [vdev-action]
>>>>> event=add
>>>>> path=^bus/usb/*/[001-999]
>>>>> OS_SUBSYSTEM=usb
>>>>> VAR_PERMISSIONS_OWNER=root
>>>>> VAR_PERMISSIONS_GROUP=scanner
>>>>> VAR_PERMISSIONS_MODE=0664
>>>>> helper=permissions.sh
>>>>> daemonlet=true
>>>>>
>>>>> Afaict, the acls should follow the file permissions and you shouldn't
>>>>> need to set those.
>>>>>
>>>>> Ralph.
>>>>
>>>> oops, I seem to have lost the "OS_TYPE=255/255/255" line. Probably important.
>>>>
>>>> Ralph.
>>>
>>>
>>> That didn't work, even with the OS_TYPE=255/255/255. The file permissions
>>> get set, but not the acl. I played with some variations, and the following
>>> works, but only if I add the lines for setfacl to permissions.sh. (i.e.
>>> test for major and minor number then run setfacl)
>>>
>>> /etc/vdev/actions/scanner.act
>>> [vdev-action]
>>> event=add
>>> path=^bus/usb/*/[001-999]
>>> OS_SUBSYSTEM=usb
>>> OS_TYPE=255/255/255
>>> VAR_PERMISSIONS_OWNER=root
>>> VAR_PERMISSIONS_GROUP=scanner
>>> VAR_PERMISSIONS_MODE=0664
>>> helper=permissions.sh
>>> if_exists=run
>>>
>>>
>>> One other problem with all the ways I've tried is that if I unplug the
>>> scanner and plug it in again, the acl does not get set. A reboot is
>>> required for that.
>>>
>>> -fsr
>>>
>>>
>>
>> Our discussion in irc was productive. The following works with the stock
>> permissions.sh (without the lines for setfacl). The acl does not get set,
>> but the scanner works. And if I unplug and re-plug the usb cable, the
>> scanner gets the next device number, and it works!
>>
>> cat /etc/vdev/actions/scanner.act
>>
>> [vdev-action]
>> event=add
>> path=^bus/usb/*/[001-999]
>> OS_SUBSYSTEM=usb
>> OS_TYPE=255/255/255
>> VAR_PERMISSIONS_OWNER=root
>> VAR_PERMISSIONS_GROUP=scanner
>> VAR_PERMISSIONS_MODE=0664
>> helper=permissions.sh
>> if_exists=run
>> daemonlet=true
>>
>> -fsr
>>
>>
>
> It now works on a live-usb, too. :)
>
> (note: this is a multi-boot usb, which might possibly act differently from
> a dd'd isohybrid.)
>
> -fsr
>


This line can be removed from scanner.act. The owner is already root, so
it doesn't need to be changed.

VAR_PERMISSIONS_OWNER=root


This line needs to be added to parport.act and printer.act to get my
parallel port printer to work.

VAR_PERMISSIONS_MODE=0664


-fsr