[pulseaudio-tickets] [PulseAudio] #21: realtime group membership prevents polypaudio to start

[PulseAudio]

#21: realtime group membership prevents polypaudio to start
----------------------------------+-----------------------------------------
  Reporter:  eric.moret at epita.fr  |       Owner:  lennart
      Type:  defect               |      Status:  new    
  Priority:  normal               |   Milestone:         
 Component:  daemon               |    Severity:  major  
Resolution:                       |    Keywords:         
----------------------------------+-----------------------------------------
Changes (by cjvdb):

 * cc: cj at vdbonline.com (added)

Comment:

 Strangely enough, this is caused by pulseaudio *not* dropping priviledges
 when running suid root and realtime. If the home directory is not world
 readable then the check in line 956 of src/pulsecore/core-util.c (from
 0.9.5) fails and pulseaudio exits. Why pa can't read the home directory
 while running uid == 0 is beyond me though.

 When *not* in the realtime group, pulseaudio drops root privs earlier,
 before reading the configs, (see src/daemon/main.c:339) and everything is
 fine.

 I would write a patch, but I don't quite get why pa can't read the config
 in the first place if it's running uid == 0. If anyone could point me to a
 commit that fixes this I would really appreciate it as I would like to
 backport it to the debian 0.9.5 package. From a brief browse of truck head
 it looks like the problem is still there though.

-- 
Ticket URL: <http://www.pulseaudio.org/ticket/21#comment:5>
PulseAudio <http://pulseaudio.org/>
The PulseAudio Sound Server