There is one other adjustment for pulseaudio that came up today. If an
app is able to handle a file name to pulseaudio (ie, the app process
doesn't have to open it first but instead tells pulseaudio to open and
play a file), then pulseaudio should also have apparmor integration for
playback in addition to trust-store integration for recording.
Fortunately, libapparmor makes this easy-- pulseaudio just needs to get
the connecting process' apparmor label (profile name) via libapparmor,
then make another libapparmor call to ask if a process running under
this apparmor label is allowed to access the file that the app process
specified.

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https://bugs.launchpad.net/bugs/1224756

Title:
  Pulseaudio should integrate with trust-store

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