On 10/11/14 02:59, Christian Hofstaedtler wrote:
> I vaguely remember PolicyKit being involved in the daemon situation,
> when mpd tries to talk to a pulseaudio server which magically gets
> spawned
PolicyKit is typically (only?) used when a less-privileged process,
typically a user interface, communicates with a more-privileged service.
It's possible that something PK-related is going on, but I can't
immediately see any reason why either mpd or PulseAudio would want to
interact with it: both normally run with an ordinary user's privileges.
The typical scenario is:
* I tell NetworkManager to connect to a wireless network
(or tell some other privileged service to do some other action)
* NetworkManager (or other privileged service) asks PolicyKit "is it OK
to let smcv do this?"
* PolicyKit consults its sysadmin-, distro- or upstream-supplied
policies, checks the facts relevant to those policies (I am in
some groups, I am actively logged-in locally), optionally asks me
for my password to confirm that I am actually present, and replies
"yes" or "no"
Regards,
S
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