apparmor.d/profiles/fwupd

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2020-2021 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/fwupd /{usr/,}lib/fwupd/fwupd
profile fwupd @{exec_path} flags=(complain,attach_disconnected) {
  include <abstractions/base>
  include <abstractions/nameservice-strict>

  # This is needed in order to read/write from/to the /dev/tpm0 , device which is owned by tss:tss
  capability dac_override,

  capability sys_rawio,
  capability syslog,

  @{exec_path} mr,

  /{usr/,}bin/gpg         rCx -> gpg,
  /{usr/,}bin/gpgconf     rCx -> gpg,
  /{usr/,}bin/gpgsm       rCx -> gpg,

        /usr/share/fwupd/** r,
  owner /var/cache/fwupd/** rw,
  owner /var/lib/fwupd/** r,
  owner /var/lib/fwupd/pending.db rwk,

  /etc/fwupd/** r,

  # In order to get to this file, the attach_disconnected flag has to be set
  owner @{HOME}/.cache/fwupd/lvfs-metadata.xml.gz r,

  /usr/share/mime/mime.cache r,

  @{PROC}/modules r,

  /dev/mem r,
  /dev/tpm[0-9] rw,
  /dev/drm_dp_aux[0-9]* rw,
  /dev/sd[a-z] r,
  /dev/bus/usb/ r,
  /dev/bus/usb/[0-9]*/[0-9]* rw,

  @{sys}/**/ r,
  @{sys}/devices/** r,

  @{sys}/firmware/dmi/tables/smbios_entry_point r,
  @{sys}/firmware/dmi/tables/DMI r,
  @{sys}/kernel/security/tpm[0-9]/binary_bios_measurements r,
  @{sys}/kernel/security/lockdown r,

  /{var,}run/udev/data/* r,

  /{var,}run/motd.d/fwupd/85-fwupd w,
  /{var,}run/motd.d/fwupd/.goutputstream-* rw,

  /etc/machine-id r,
  /var/lib/dbus/machine-id r,


  profile gpg {
    include <abstractions/base>

    /{usr/,}bin/gpg        mr,
    /{usr/,}bin/gpgconf    mr,
    /{usr/,}bin/gpgsm      mr,

    owner /var/lib/fwupd/gnupg/ rw,
    owner /var/lib/fwupd/gnupg/** rwkl -> /var/lib/fwupd/gnupg/**,

  }

  include if exists <local/fwupd>
}