systemctl-mqtt/apparmor-profile

# systemctl-mqtt - MQTT client triggering shutdown on systemd-based systems
#
# Copyright (C) 2020 Fabian Peter Hammerle <fabian@hammerle.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include <tunables/global>

profile systemctl-mqtt flags=(attach_disconnected) {
  #include <abstractions/base>

  network inet,

  # https://jlk.fjfi.cvut.cz/arch/manpages/man/apparmor.d.5#Access_Modes
  /systemctl-mqtt/ r,
  /systemctl-mqtt/** r,
  /systemctl-mqtt/.venv/lib/python3.8/site-packages/_dbus_bindings.so m,
  # https://presentations.nordisch.org/apparmor/#/25
  /systemctl-mqtt/.venv/bin/systemctl-mqtt rix,
  /etc/** r,
  /usr/lib/** rm,
  /var/** r,
  deny /bin/** rwklx,
  deny @{PROC}/** rwklx,
  deny /sys/** rwklx,

  # https://gitlab.com/apparmor/apparmor/-/wikis/AppArmorDBus
  #include <abstractions/dbus-strict>
  dbus (send, receive)
       bus=system
       path=/org/freedesktop/login1
       interface=org.freedesktop.DBus.Introspectable
       member=Introspect
       peer=(label=unconfined),
  dbus (send)
       bus=system
       path=/org/freedesktop/login1
       interface=org.freedesktop.login1.Manager
       member=ScheduleShutdown
       peer=(label=unconfined),
}