apparmor.d/profiles/atftpd

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2017-2021 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/,}sbin/atftpd
profile atftpd @{exec_path} {
  include <abstractions/base>
  include <abstractions/nameservice>

  # to run atftpd daemon as nobody/nogroup
  capability setgid,
  capability setuid,

  @{exec_path} mr,

  # FTP dirs (add "w" if you need write permissions and hence upload files)
  /tftpboot/{,**} r,
  /srv/tftp/{,**} r,

  # for libwrap (TCP Wrapper) support
  /etc/hosts.{,allow,deny} r,

  include if exists <local/atftpd>
}