# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2017-2021 Mikhail Morfikov
# Copyright (C) 2022 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/3.0>,

include <tunables/global>

@{exec_path} = /{usr/,}bin/pulseaudio
profile pulseaudio @{exec_path} {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/audio>
  include <abstractions/dbus-strict>
  include <abstractions/dbus-session-strict>
  include <abstractions/nameservice-strict>
  include <abstractions/deny-root-dir-access>

  ptrace (trace) peer=@{profile_name},

  signal (receive) peer=pacmd,

  network inet stream,
  network inet6 stream,
  network netlink raw,

  network bluetooth stream,
  network bluetooth seqpacket,

  @{exec_path} mrix,

  /{usr/,}lib/@{multiarch}/pulse/gconf-helper mrix,
  /{usr/,}lib{exec,}/pulse/gsettings-helper mrix,

  # PulseAudio files
  /usr/share/pulseaudio/{,**} r,
  /{usr/,}lib/pulse-*/modules/*.so mr,

  # PulseAudio home config files
  owner @{user_config_dirs}/pulse/{,**} rw,
  owner @{user_config_dirs}/dconf/user r,

  # Needed when PulseAudio is started via the start-pulseaudio-x11 script
  owner @{HOME}/.Xauthority r,

  # Needed when PulseAudio is started via gdm
  owner @{run}/user/@{uid}/gdm{[1-9],}/Xauthority r,
  owner @{run}/user/@{uid}/.mutter-Xwaylandauth.* r,
  owner @{HOME}/.ICEauthority r,

  # TCP wrap
  /etc/hosts.{allow,deny} r,

  owner @{run}/user/@{uid}/ rw,
  owner @{run}/user/@{uid}/pulse/{,*}   rw,
  owner @{run}/user/@{uid}/pulse/*.lock   k,

  /usr/share/applications/{,**} r,
  /usr/share/glib-2.0/schemas/gschemas.compiled r,

  @{sys}/bus/ r,
  @{sys}/class/ r,
  @{sys}/class/sound/ r,
  @{sys}/devices/**/sound/**/{uevent,pcm_class} r,
  @{run}/udev/data/+sound* r,
  @{run}/udev/data/c116:[0-9]* r, # For ALSA

  @{sys}/devices/virtual/dmi/id/{bios_vendor,board_vendor,sys_vendor} r,
  @{sys}/devices/system/node/ r,
  @{sys}/devices/system/node/node[0-9]/meminfo r,

  deny @{sys}/module/apparmor/parameters/enabled r,

  @{run}/systemd/users/@{uid} r,

  owner @{run}/user/@{uid}/dconf/       rw,
  owner @{run}/user/@{uid}/dconf/user   rw,
  owner @{run}/user/@{uid}/ICEauthority r,
  owner @{run}/user/@{uid}/systemd/notify rw,

  owner @{PROC}/@{pids}/fd/ r,
  owner @{PROC}/@{pids}/stat r,

  # DBus
  dbus (send)
     bus=session
     path=/org/freedesktop/DBus
     interface=org.freedesktop.DBus
     member={RequestName,ReleaseName}
     peer=(name=org.freedesktop.DBus),

  dbus (receive)
     bus=session
     path=/org/freedesktop/DBus
     interface=org.freedesktop.DBus
     member={Hello,RequestName,ReleaseName}
     peer=(name=:*),

  dbus (receive)
     bus=session
     interface=org.freedesktop.DBus.Introspectable
     member=Introspect,

  dbus (bind)
     bus=session
     name=org.freedesktop.ReserveDevice[0-9].Audio[0-9],

  dbus (bind)
     bus=session
     name=org.PulseAudio[0-9],

  dbus (bind)
     bus=session
     name=org.pulseaudio*,

  dbus (send)
     bus=system
     path=/org/freedesktop/DBus
     interface=org.freedesktop.DBus
     member={Hello,AddMatch,RemoveMatch}
     peer=(name=org.freedesktop.DBus),

  dbus (send)
     bus=system
     path=/org/freedesktop/RealtimeKit[0-9]
     member={Get,MakeThreadHighPriority,MakeThreadRealtime}
     peer=(name=org.freedesktop.RealtimeKit[0-9]),

  dbus (send)
     bus=system
     path=/
     interface=org.freedesktop.DBus.ObjectManager
     member=GetManagedObjects
     peer=(name=org.bluez),

  unix (send receive connect) type=stream peer=(addr=@/tmp/.X11-unix/*),
  unix (send receive connect) type=stream peer=(addr=@/tmp/.ICE-unix/*),

  # The orcexec.* file is JIT compiled code for various GStreamer elements.
  # If one is blocked the next is used instead.
  owner @{run}/user/@{uid}/orcexec.* mrw,
  #owner @{HOME}/orcexec.* mrw,
  #owner /tmp/orcexec.* mrw,

  # For GDM
  owner /var/lib/gdm{[1-9],}/.config/pulse/{,**}  rw,
  owner /var/lib/gdm{[1-9],}/.config/pulse/cookie   k,
  owner /var/lib/gdm{[1-9],}/.config/dconf/user   r,

  # For SDDM
  owner /var/lib/sddm/.config/pulse/ rw,
  owner /var/lib/sddm/.config/pulse/*-{device,stream}-volumes.tdb rw,
  owner /var/lib/sddm/.config/pulse/*-default-{sink,source} rw,
  owner /var/lib/sddm/.config/pulse/*-card-database.tdb rw,
  owner /var/lib/sddm/.config/pulse/cookie rwk,

  # For lightdm
  owner /var/lib/lightdm/.config/pulse/{,**}  rw,
  owner /var/lib/lightdm/.config/pulse/cookie   k,

  # file_inherit
  owner /dev/tty[0-9]* rw,
  owner @{HOME}/.xsession-errors w,

  # Snap
  /var/lib/snapd/desktop/applications/ r,
  /usr/{local/,}share/ubuntu/applications/{,*} r,

  include if exists <local/pulseaudio>
}