# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2018-2021 Mikhail Morfikov
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of version 2 of the GNU General Public
#    License published by the Free Software Foundation.
#
# ------------------------------------------------------------------
abi <abi/3.0>,

include <tunables/global>

@{SIGNAL_INSTALLDIR} = "/opt/Signal{, Beta}"
@{SIGNAL_HOMEDIR} = "@{HOME}/.config/Signal{, Beta}"

@{exec_path} = @{SIGNAL_INSTALLDIR}/signal-desktop{,-beta}
profile signal-desktop @{exec_path} {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/opencl-intel>
  include <abstractions/gtk>
  include <abstractions/freedesktop.org>
  include <abstractions/fonts>
  include <abstractions/fontconfig-cache-read>
  include <abstractions/audio>
  include <abstractions/mesa>
  include <abstractions/nameservice-strict>
  include <abstractions/deny-root-dir-access>

  @{exec_path} mr,

  # Signal installation dir
  @{SIGNAL_INSTALLDIR}/ r,
  @{SIGNAL_INSTALLDIR}/** r,
  @{SIGNAL_INSTALLDIR}/libnode.so mr,
  @{SIGNAL_INSTALLDIR}/libffmpeg.so mr,
  @{SIGNAL_INSTALLDIR}/chrome-sandbox rPx,

  # Signal home dirs
  @{SIGNAL_HOMEDIR}/ rw,
  @{SIGNAL_HOMEDIR}/** rwk,

  #owner @{HOME}/.pki/nssdb/pkcs11.txt r,
  #owner @{HOME}/.pki/nssdb/cert9.db rwk,
  #owner @{HOME}/.pki/nssdb/key4.db rwk,

  # Signal wants the /tmp/ dir to be mounted with the "exec" flag. If this is not acceptable in
  # your system, use the TMPDIR variable to set some other tmp dir.
  /tmp/ r,
  owner /tmp/.org.chromium.Chromium.* mrw,
  /var/tmp/ r,
  owner @{SIGNAL_HOMEDIR}/tmp/.org.chromium.Chromium.* mrw,

  @{sys}/devices/system/cpu/cpufreq/policy[0-9]/cpuinfo_max_freq r,
  @{sys}/devices/pci[0-9]*/**/{irq,vendor,device} r,
  @{sys}/devices/virtual/tty/tty[0-9]/active r,

             @{PROC}/ r,
       owner @{PROC}/@{pid}/fd/ r,
  deny owner @{PROC}/@{pid}/oom_{,score_}adj rw,
       owner @{PROC}/@{pids}/task/ r,
       owner @{PROC}/@{pids}/task/@{tid}/status r,
             @{PROC}/@{pids}/stat r,
             @{PROC}/vmstat r,

  deny /dev/shm/ r,
       /dev/shm/.org.chromium.Chromium.* rw,

  /var/lib/dbus/machine-id r,
  /etc/machine-id r,

  /{usr/,}bin/xdg-settings rPUx,

  /{usr/,}bin/getconf rix,

  include if exists <local/signal-desktop>
}