Summary: Accessing devices as non-root user

Dear managers,

Thanks to all that responded!

>> we have an application (running on Solaris 10) that accesses sound and
>> serial devices. The application works when run as root, but is not
>> able to access (/dev/audio, /dev/term/0,...) when run as a normal 
>> user.
>>
>>           audioCtlDevice = open ("/dev/audioctl", O_RDWR);
>>           if (audioCtlDevice < 0) { NSLog(@"Error: open() returned %d;
>> errno %d", audioCtlDevice, errno); return 0; }
>>
>> 2007-05-22 11:57:15.084 AudioPlayTest[21626] Error: open() returned
>> -1; errno 2
>>
>> I suppose this is a general issue. What do we have to do to give
>> non-root users access to devices?
>
> It has been recommended to check http://blogs.sun.com/jg and also have 
> a look into update_drv.  I modified the entry in /etc/minor_perm from 
> "audio:* 0600 root sys" to
>
> 	audio:* 0666 root sys
>
> and ran "devfsadm -c audio". I also tried "update_drv" which just gave 
> me a list of options. "update_drv -v audio" gave me
>
> -bash-3.00# update_drv -v audio
> Failed to update audio.conf for driver.
>
> and I can still not access /dev/audio when the app is run as a normal 
> user (it works when run as root).
>
> 	/Build/AudioPlayTest/obj/AudioPlayTest
>
> 2007-05-31 10:29:08.177 AudioPlayTest[26025] Error: open() returned 
> -1; errno 13

Since I wasn't able to populate my changes to /etc/minor_perm via any 
update_drv or the like command I finally rebooted the machine. After 
that I could access /dev/audio as a non-root user. Not nice but it 
works!

Thanks,

   Andreas
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