apparmor.d/profiles/apt-cdrom

# 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/apt-cdrom
profile apt-cdrom @{exec_path} flags=(complain) {
  include <abstractions/base>
  include <abstractions/nameservice-strict>
  include <abstractions/apt-common>

  capability dac_read_search,

  @{exec_path} mr,

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

  /{usr/,}bin/mount       rCx -> mount,
  /{usr/,}bin/umount      rCx -> umount,

  # Are all of these needed? (#FIXME#)
  @{sys}/bus/ r,
  @{sys}/bus/*/devices/ r,
  @{sys}/class/ r,
  @{sys}/class/*/ r,
  @{sys}/devices/**/uevent r,
  @{run}/udev/data/* r,

  /etc/fstab r,

  # For cd-roms
  /media/cdrom[0-9]/ r,
  /media/cdrom[0-9]/**/ r,
  /media/cdrom[0-9]/.disk/info r,
  /media/cdrom[0-9]/dists/**/binary-*/Packages{,.gz} r,
  /media/cdrom[0-9]/dists/**/i18n/Translation-en{,.gz} r,

  # For pendrives
  /media/*/*/ r,
  /media/*/*/**/ r,
  /media/*/*/.disk/info r,
  /media/*/*/dists/**/binary-*/Packages{,.gz} r,
  /media/*/*/dists/**/i18n/Translation-en{,.gz} r,

  /var/lib/apt/lists/** rw,

  owner @{PROC}/@{pid}/fd/ r,

  /var/lib/apt/cdroms.list{,.new} rw,
  /var/lib/apt/cdroms.list~ w,

  /etc/apt/sources.list{,.new} rw,
  /etc/apt/sources.list~ w,

  profile mount flags=(complain) {
    include <abstractions/base>

    /{usr/,}bin/mount mr,

    /etc/fstab r,

    /media/cdrom[0-9]/ r,

  }

  profile umount flags=(complain) {
    include <abstractions/base>

    capability sys_admin,

    /{usr/,}bin/umount mr,

    @{run}/mount/utab{,.*} rw,
    @{run}/mount/utab.lock rwk,

    owner @{PROC}/@{pid}/mountinfo r,

    umount /media/*/,
    umount /media/*/*/,

  }

  include if exists <local/apt-cdrom>
}