path: root/contrib/apparmor/usr.bin.passt

# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
#  for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
#  for network namespace/tap device mode
#
# contrib/apparmor/usr.bin.passt - AppArmor profile for passt(1) and pasta(1)
#
# Copyright (c) 2022 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>

abi <abi/3.0>,

include <tunables/global>

profile passt /usr/bin/passt{,.avx2} flags=(attach_disconnected) {
  ### TODO: AppArmor doesn't give us the chance to attach a separate profile
  ### depending on the executable symlink. That's possible with SELinux. Two
  ### alternatives: implement that in AppArmor, or consider aa_change_hat(2).
  ### With this, rules for passt(1) could be restricted significantly. Note that
  ### the attach_disconnected flag is not needed for passt(1).

  include <abstractions/passt>

  # Alternatively: include <abstractions/user-tmp>
  owner /tmp/**				w,	# tap_sock_unix_init(), pcap(),
						# write_pidfile(),
						# logfile_init()

  owner @{HOME}/**			w,	# pcap(), write_pidfile()

  include <abstractions/pasta>
}