apparmor.d/apparmor.d/profiles-a-f/borg

# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2020-2022 Mikhail Morfikov
# Copyright (C) 2021-2022 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/3.0>,

include <tunables/global>

@{exec_path} = /{usr/,}bin/borg
profile borg @{exec_path} {
  include <abstractions/base>
  include <abstractions/python>

  capability dac_read_search,
  capability fowner,
  capability sys_admin,

  network inet dgram,
  network inet6 dgram,
  network netlink raw,

  @{exec_path} r,

  /{usr/,}bin/ r,
  /{usr/,}bin/python3.[0-9]* r,

  /{usr/,}bin/uname                  rix,
  /{usr/,}bin/cat                    rix,
  /{usr/,}{s,}bin/ldconfig           rix,
  /{usr/,}bin/{,@{multiarch}-}ld.bfd rix,

  /{usr/,}bin/pass                   rPUx,
  /{usr/,}bin/ssh                    rPx,
  /{usr/,}bin/ccache                 rCx -> ccache,
  /{usr/,}bin/fusermount{,3}         rCx -> fusermount,

  mount fstype=fuse -> @{MOUNTS}/,
  mount fstype=fuse -> @{MOUNTS}/*/,
  umount @{MOUNTS}/,
  umount @{MOUNTS}/*/,

  /dev/fuse rw,

  owner @{PROC}/@{pid}/fd/ r,
        @{PROC}/sys/kernel/random/boot_id r,

  @{run}/systemd/userdb/ r,
  @{run}/resolvconf/resolv.conf r,

  owner @{user_cache_dirs}/ rw,
  owner @{user_cache_dirs}/borg/ rw,
  owner @{user_cache_dirs}/borg/** rw,

  owner @{user_config_dirs}/borg/ rw,
  owner @{user_config_dirs}/borg/** rw,

  # If /tmp/ isn't accessible, then /var/tmp/ is used.
  owner /tmp/* rw,
  owner /tmp/tmp*/ rw,
  owner /tmp/tmp*/idx rw,
  owner /tmp/tmp*/file rw,
  owner /tmp/borg-cache-*/ rw,
  owner /tmp/borg-cache-*/* rw,
  owner /var/tmp/* rw,
  owner /var/tmp/tmp*/ rw,
  owner /var/tmp/tmp*/idx rw,
  owner /var/tmp/tmp*/file rw,

  # Dirs that can be backed up
  /            r,
  /etc/{,**}   r,
  /home/{,**}  r,
  @{MOUNTS}/{,**} r,
  /root/{,**}  r,
  /srv/{,**}   r,
  /var/{,**}   r,

  # The backup dirs
  owner @{MOUNTS}/ r,
  owner @{MOUNTS}/** rwkl -> @{MOUNTS}/**,

  # borg serve on server's side
  owner /home/borg/*/ rw,
  owner /home/borg/*/{,**} rw,

  # For exporting the key
  owner /**/key w,


  profile ccache {
    include <abstractions/base>

    /{usr/,}bin/ccache mr,

    /{usr/,}lib/llvm-[0-9]*/bin/clang      rix,
    /{usr/,}bin/{,@{multiarch}-}gcc-[0-9]* rix,
    /{usr/,}bin/{,@{multiarch}-}g++-[0-9]* rix,

    /media/ccache/*/** rw,

    /etc/debian_version r,

  }

  profile fusermount {
    include <abstractions/base>
    include <abstractions/nameservice-strict>

    # To mount anything:
    capability sys_admin,

    /{usr/,}bin/fusermount{,3} mr,

    /etc/fuse.conf r,

    umount @{MOUNTS}/,
    umount @{MOUNTS}/*/,
  
    @{PROC}/@{pids}/mounts r,

    /dev/fuse rw,
  }

  include if exists <usr/borg.d>
  include if exists <local/borg>
}