#------------------------------------------------------------------
#    Copyright (C) 2025 Canonical Ltd.
#
#    Author: Maxime Bélair <[email protected]>
#
#    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.
#------------------------------------------------------------------
# vim: ft=apparmor

abi <abi/4.0>,

include <tunables/global>

profile os-prober /usr/bin/os-prober flags=(attach_disconnected) {
  include <abstractions/base>
  include <abstractions/private-files-strict>

  capability dac_override dac_read_search sys_admin sys_module sys_rawio,

  mount options=(rprivate, rw) -> /,
  mount options=(rw, nosuid, nodev) -> /var/lib/os-prober/mount/,
  umount,

  # This may cause "apparmor mqueue disconnected TODO" messages on some kernels.
  # This warning is not critical, and newer kernels will fix this issue
  mqueue getattr,

  # os-prober uses a lot of dependencies (dash, find, grep, head, kmod, ...)
  # We allow everything in /usr/bin to avoid breakages on dependency updates
  file /usr/bin/** ix,

  file /usr/lib/os-probes/** ix,
  file /usr/lib/linux-boot-probes/** ix,
  file /usr/sbin/blkid ix,
  file /usr/sbin/lvm ix,
  file /usr/sbin/grub-probe ix,

  # os-prober may read the whole filesystem
  file /{,**} r,

  file /dev/fuse w,
  file /dev/mapper/control w,
  file /run/blkid/blkid.* wl,
  file /run/lock/lvm/* wk,
  file /run/lvm/hints wk,
  file /tmp/os-prober.*/{,**} w,
  file /var/lib/os-prober/mount/ w,
  file /var/lib/os-prober/labels wl,

  # Site-specific additions and overrides. See local/README for details.
  include if exists <local/os-prober>
}