apparmor.d/profiles/btrfs

# 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>

@{exec_path} = /{usr/,}bin/{btrfs,btrfsck}
profile btrfs @{exec_path} {
  include <abstractions/base>
  include <abstractions/disks-write>
  include <abstractions/user-download-strict>

  capability sys_admin,
  capability fowner,
  capability sys_rawio,

  @{exec_path} mr,

  @{run}/blkid/blkid.tab{,-*} rw,
  @{run}/blkid/blkid.tab.old rwl -> @{run}/blkid/blkid.tab,

  owner @{PROC}/@{pid}/mounts r,
        @{PROC}/partitions r,

  # For fsck of the btrfs filesystem directly from gparted
  owner /tmp/gparted-*/ rw,

  # For scrub
  /var/lib/btrfs/ rw,
  /var/lib/btrfs/scrub.progress.[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]* rw,
  /var/lib/btrfs/scrub.status.[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*{,_tmp} rwk,

  # Saved metadata
  /media/*/ r,
  /media/*/ext2_saved/ rw,
  /media/*/ext2_saved/image rw,
  /media/*/*/ r,
  /media/*/*/ext2_saved/ rw,
  /media/*/*/ext2_saved/image rw,

  # To be able to manage btrfs volumes
  owner @{HOME}/**.{iso,img,bin,mdf,nrg} rwk,
  owner /media/*/**.{iso,img,bin,mdf,nrg} rwk,
  owner @{HOME}/**.{ISO,IMG,BIN,MDF,NRG} rwk,
  owner /media/*/**.{ISO,IMG,BIN,MDF,NRG} rwk,

  include if exists <local/btrfs>
}