apparmor.d/profiles/brave

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2019-2021 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>

@{BRAVE_INSTALLDIR} = /opt/brave.com/brave{,-beta,-dev}
@{BRAVE_HOMEDIR} = @{HOME}/.config/BraveSoftware/Brave-Browser{,-Beta,-Dev}
@{BRAVE_CACHEDIR} = @{HOME}/.cache/BraveSoftware/Brave-Browser{,-Beta,-Dev}

@{exec_path} = @{BRAVE_INSTALLDIR}/brave{,-beta,-dev}
profile brave @{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/mesa>
  include <abstractions/audio>
  include <abstractions/user-download-strict>
  include <abstractions/nameservice-strict>
  include <abstractions/thumbnails-cache-read>
  include <abstractions/deny-dconf>
  include <abstractions/deny-root-dir-access>

  capability sys_ptrace,

  # The following rules are needed only when the kernel.unprivileged_userns_clone option is set
  # to "1".
  capability sys_admin,
  capability sys_chroot,
  owner @{PROC}/@{pid}/setgroups w,
  owner @{PROC}/@{pid}/gid_map w,
  owner @{PROC}/@{pid}/uid_map w,

  ptrace (read),

  @{exec_path} mrix,

  @{BRAVE_INSTALLDIR}/{,**} r,
  @{BRAVE_INSTALLDIR}/{brave,chrome}-sandbox rPx,
  @{BRAVE_INSTALLDIR}/brave-browser{,-beta,-dev} rPx,
  @{BRAVE_INSTALLDIR}/swiftshader/libGLESv2.so mr,
  @{BRAVE_INSTALLDIR}/swiftshader/libEGL.so mr,

  # When installing/removing extensions
  /{usr/,}bin/basename rix,
  /{usr/,}bin/cut      rix,
  /{usr/,}bin/sed      rix,
  /{usr/,}bin/mkdir    rix,
  /{usr/,}bin/touch    rix,
  /{usr/,}bin/rm       rix,
  /{usr/,}bin/mktemp   rix,
  /{usr/,}bin/cat      rix,
  /{usr/,}bin/{,e}grep rix,

       /etc/opt/chrome/ r,
  deny /etc/opt/chrome/ w,

  # For "brave --help"
  /{usr/,}bin/man               rPUx,

  # For storing passwords externally
  /{usr/,}bin/keepassxc-proxy   rPUx,

  /{usr/,}bin/lsb_release        rPx -> child-lsb_release,

  # no new privs
  #deny /{usr/,}bin/xdg-desktop-menu  rx,

  /{usr/,}bin/xdg-open           rCx -> open,
  /{usr/,}bin/xdg-settings      rPUx,
  /{usr/,}bin/xdg-mime          rPUx,

  /usr/share/chromium/extensions/ r,

  # To remove the following error:
  #  Error initializing NSS with a persistent database
  owner @{HOME}/.pki/ rw,
  owner @{HOME}/.pki/nssdb/ rw,
  owner @{HOME}/.pki/nssdb/pkcs11.txt rw,
  owner @{HOME}/.pki/nssdb/{cert9,key4}.db rwk,
  owner @{HOME}/.pki/nssdb/{cert9,key4}.db-journal rw,

  owner @{HOME}/ r,
  owner @{HOME}/.config/BraveSoftware/ w,
  owner @{BRAVE_HOMEDIR}/ rw,
  owner @{BRAVE_HOMEDIR}/** rwk,
  # For Widevine plugin
  owner @{BRAVE_HOMEDIR}/WidevineCdm/libwidevinecdm.so mrw,

  # Cache files
  owner @{HOME}/.cache/ rw,
  owner @{HOME}/.cache/BraveSoftware/ rw,
  owner @{BRAVE_CACHEDIR}/{,**/} rw,
  owner @{BRAVE_CACHEDIR}/*/**/{*-,}index rw,
  owner @{BRAVE_CACHEDIR}/*/**/[a-f0-9]*_? rw,
  owner @{BRAVE_CACHEDIR}/*/**/todelete_* rw,

  # For importing data (bookmarks, cookies, etc) from Firefox
  owner @{HOME}/.mozilla/firefox/profiles.ini r,
  owner @{HOME}/.mozilla/firefox/*/ r,
  owner @{HOME}/.mozilla/firefox/*/compatibility.ini r,
  owner @{HOME}/.mozilla/firefox/*/search{,-metadata}.json r,
  owner @{HOME}/.mozilla/firefox/*/.parentlock rwk,
  owner @{HOME}/.mozilla/firefox/*/{places,cookies,favicons,formhistory,}.sqlite{,-wal,-shm,-journal} rwk,
  owner @{HOME}/.mozilla/firefox/*/{cert9,key4}.db rwk,
  owner @{HOME}/.mozilla/firefox/*/logins.json r,
  # For importing data from Chromium
  owner "@{HOME}/.config/chromium/Local State" r,
  owner @{HOME}/.config/chromium/Singleton{Lock,Socket,Cookie} w,
  owner "@{HOME}/.config/chromium/*/Login Data{,-journal}" rwk,
  owner @{HOME}/.config/chromium/*/ r,
  owner @{HOME}/.config/chromium/*/{History,Cookies,Favicons,Bookmarks} rwk,

  owner @{HOME}/.config/menus/applications-merged/ r,
  owner @{HOME}/.config/menus/applications-merged/xdg-desktop-menu-dummy.menu r,

  /etc/fstab r,

  /usr/share/glib-2.0/schemas/gschemas.compiled r,

  # Needed or Brave crash with the following error:
  #  illegal hardware instruction
             @{PROC}/ r,
  #
  deny       @{PROC}/vmstat r,
  deny       @{PROC}/stat r,
             @{PROC}/sys/kernel/yama/ptrace_scope r,
             @{PROC}/@{pid}/fd/ r,
  deny       @{PROC}/@{pids}/stat r,
  deny       @{PROC}/@{pids}/statm r,
  # To remove the following error:
  #  Failed to adjust OOM score of renderer with pid : Permission denied
  deny owner @{PROC}/@{pid}/oom_{,score_}adj rw,
  #
  deny       @{PROC}/@{pids}/cmdline r,
       owner @{PROC}/@{pids}/task/ r,
  deny       @{PROC}/@{pids}/task/@{tid}/status r,
  deny owner @{PROC}/@{pid}/limits r,
       owner @{PROC}/@{pid}/mountinfo r,
       owner @{PROC}/@{pid}/mounts r,
       owner @{PROC}/@{pid}/clear_refs w,
             @{PROC}/sys/fs/inotify/max_user_watches r,
  deny       @{PROC}filesystems r,

  owner /dev/shm/.org.chromium.Chromium.* rw,
  owner /dev/shm/org.chromium.Chromium.shmem.[A-F0-9]*._service_shmem rw,

  /dev/bus/usb/[0-9]*/[0-9]* rw,

  # For downloading files
  owner @{HOME}/.local/share/.org.chromium.Chromium.* rw,

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

  # Udev enumeration
  @{sys}/bus/ r,
  @{sys}/bus/**/devices/ r,
  @{sys}/devices/**/uevent r,
  @{sys}/class/ r,
  @{sys}/class/**/ r,
  @{run}/udev/data/* r,
  @{sys}/devices/pci[0-9]*/**/usb[0-9]/{,**/}{descriptors,manufacturer,product,serial,bConfigurationValue} r,
  @{sys}/devices/pci[0-9]*/**/usb[0-9]/{,**/}{busnum,devnum} r,

  @{sys}/devices/virtual/tty/tty[0-9]/active r,
  @{sys}/devices/system/cpu/online r,

  # To remove the following error:
  #  pcilib: Cannot open /sys/bus/pci/devices/0000:03:00.0/irq: Permission denied
  # The irq file is needed to render pages.
  @{sys}/devices/pci[0-9]*/**/irq r,

  @{sys}/devices/system/cpu/cpufreq/policy[0-9]/cpuinfo_max_freq r,

        /var/tmp/ r,
        /tmp/ r,
  owner /tmp/.org.chromium.Chromium.* rw,
  owner /tmp/.org.chromium.Chromium.*/{,**} rw,
  # For installing/updating/removing extensions
  owner /tmp/scoped_dir*/{,**} rw,
  owner /tmp/tmp.* rw,
  # For brave://net-export/
  owner /tmp/net-export/ rw,

  # Silencer
  deny @{BRAVE_INSTALLDIR}/** w,

  # file_inherit
  owner @{HOME}/.xsession-errors w,


  profile open {
    include <abstractions/base>
    include <abstractions/xdg-open>

    /{usr/,}bin/xdg-open mr,

    /{usr/,}bin/{,ba,da}sh      rix,
    /{usr/,}bin/gawk            rix,
    /{usr/,}bin/readlink        rix,
    /{usr/,}bin/basename        rix,

    owner @{HOME}/ r,

    owner @{run}/user/[0-9]*/ r,

    # Allowed apps to open

    # file_inherit
    owner @{HOME}/.xsession-errors w,

  }

  include if exists <local/brave>
}