> * In message <[EMAIL PROTECTED]>
> * On the subject of "Re: audio permissions"
> * Sent on Sat, 16 Nov 2002 15:51:49 +0100
> * Honorable Michael Schwendt <[EMAIL PROTECTED]> writes:
>
> On 15 Nov 2002 19:46:43 -0500, Sam Steingold wrote:
> 
> > > > I noticed that after a boot, my /dev/dsp* and /dev/audio* are
> > > > owned by sds.root and have permissions 600 (crw-------).
> > > > this is
> > > > 
> > > > 1. strange: why are these files owned by _me_ and not root?
> > > 
> > > The user that first logs in at the physical console gets the
> > > file/device permissions assigned by PAM.
> > 
> > how do I disable this?
> 
> Not sure whether you really want that. Anyway, the manuals from Red
> Hat cover PAM a bit. And have a look at "man 5 console.perms".

thanks.  it appears that I can change only the _user_ ownership of a
file on console login, not _group_ ownership.
is this really the case?

> > > > 2. inconvenient: mpg123 &c are not suid root,
> > > >    so my wife cannot use audio.
> > > 
> > > This is when you have logged in first and block the audio device.
> > 
> > Yuk - this is a typical case of "single user behavior".
> 
> No, that's common misconception of a security feature. Would you
> want network users being able to monitor your microphone or play
> back an MP3 file at full volume 4:00 a.m. when you're sleeping?

I see your point - this is not applicable to my setup though.

> The alternative would be to adjust the permissions to let a group of
> users access the audio device at the same time. Not sure whether you
> would like it when one user plays with the mixer while you are
> listening to a stream.

I see.

My setup is: 2 people are logged in at all times, but only one is
actually using the machine at a time, so I want both of us to be able to
use the sound.

thanks.


-- 
Sam Steingold (http://www.podval.org/~sds) running RedHat8 GNU/Linux
<http://www.camera.org> <http://www.iris.org.il> <http://www.memri.org/>
<http://www.mideasttruth.com/> <http://www.palestine-central.com/links.html>
Flying is not dangerous; crashing is.




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