apparmor.d/apparmor.d/profiles-a-f/fwupd

# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2020-2022 Mikhail Morfikov
# Copyright (C) 2021-2022 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/3.0>,

include <tunables/global>

@{exec_path} = @{lib}/{,fwupd/}fwupd
profile fwupd @{exec_path} flags=(complain,attach_disconnected) {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/dbus-strict>
  include <abstractions/disks-read>
  include <abstractions/fonts>
  include <abstractions/nameservice-strict>
  include <abstractions/openssl>

  capability dac_override,
  capability dac_read_search,
  capability linux_immutable,
  capability mknod,
  capability sys_admin,
  capability sys_nice,
  capability sys_rawio,
  capability syslog,

  network netlink raw,

  dbus send bus=system path=/org/freedesktop/DBus
       interface=org.freedesktop.DBus
       member={GetConnectionUnixUser,RemoveMatch,RequestName}
       peer=(name=org.freedesktop.DBus),

  dbus send bus=system path=/org/freedesktop/ModemManager1
       interface=org.freedesktop.DBus.{Properties,ObjectManager}
       member={GetAll,GetManagedObjects},

  dbus send bus=system path=/org/freedesktop/PolicyKit1/Authority
       interface=org.freedesktop.DBus.Properties
       member={Changed,GetAll}
       peer=(label=polkitd),

  dbus send bus=system path=/org/freedesktop/UDisks2/block_devices/*
       interface=org.freedesktop.DBus.Properties
       member=GetAll,

  dbus send bus=system path=/org/freedesktop/UDisks2/Manager
       interface=org.freedesktop.{DBus.Properties,UDisks2.Manager}
       member={GetAll,GetBlockDevices},

  dbus send bus=system path=/org/freedesktop/UPower{,/devices/DisplayDevice}
       interface=org.freedesktop.DBus.Properties
       member=GetAll,

  dbus send bus=system path=/
       interface=org.freedesktop.fwupd
       member=Changed
       peer=(label=fwupdmgr),

  dbus send bus=system path=/
       interface=org.freedesktop.DBus
       member=Changed
       peer=(label=fwupdmgr),

  dbus receive bus=system path=/
       interface=org.freedesktop.fwupd,

  dbus receive bus=system path=/org/freedesktop/PolicyKit1/Authority
       interface=org.freedesktop.DBus.Properties
       member={Changed,GetAll}
       peer=(label=polkitd),

  dbus receive bus=system path=/
       interface=org.freedesktop.DBus.Properties
       member={GetAll,SetHints,GetPlugins,GetRemotes}
       peer=(name=:*, label=fwupdmgr),

  dbus bind bus=system
       name=org.freedesktop.fwupd,

  @{exec_path} mr,

  @{lib}/fwupd/fwupd-detect-cet rix,

  @{bin}/gpg{,2}     rCx -> gpg,
  @{bin}/gpgconf     rCx -> gpg,
  @{bin}/gpgsm       rCx -> gpg,

  /usr/share/fwupd/{,**} r,
  /usr/share/mime/mime.cache r,

  /etc/fwupd/{,**} rw,
  /etc/lsb-release r,
  /etc/pki/fwupd-metadata/{,**} r,
  /etc/pki/fwupd/{,**} r,

  /var/cache/fwupd/{,**} rw,
  /var/lib/fwupd/{,**} rw,
  /var/lib/fwupd/pending.db rwk,
  /var/tmp/etilqs_@{hex} rw,

  /boot/{,**} r,
  /boot/EFI/*/.goutputstream-@{rand6} rw,
  /boot/EFI/*/fw/fwupd-*.cap{,.*} rw,
  /boot/EFI/*/fwupdx@{int}.efi rw,
  @{lib}/fwupd/efi/fwupdx@{int}.efi r,

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

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

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

  @{sys}/firmware/acpi/** r,
  @{sys}/firmware/dmi/tables/DMI r,
  @{sys}/firmware/dmi/tables/smbios_entry_point r,
  @{sys}/firmware/efi/** r,
  @{sys}/firmware/efi/efivars/BootNext-@{uuid} rw,
  @{sys}/firmware/efi/efivars/Boot@{hex}-@{uuid} rw,
  @{sys}/firmware/efi/efivars/fwupd-* rw,
  @{sys}/kernel/security/lockdown r,
  @{sys}/kernel/security/tpm[0-9]/binary_bios_measurements r,
  @{sys}/power/mem_sleep r,

  @{run}/motd.d/ r,
  @{run}/motd.d/@{int}-fwupd* rw,
  @{run}/motd.d/fwupd/{,**} rw,
  @{run}/mount/utab r,
  @{run}/systemd/inhibit/[0-9]*.ref rw,
  @{run}/udev/data/* r,

  @{PROC}/@{pids}/fd/ r,
  @{PROC}/@{pids}/mountinfo r,
  @{PROC}/@{pids}/mounts r,
  @{PROC}/1/cgroup r,
  @{PROC}/cmdline r,
  @{PROC}/modules r,
  @{PROC}/swaps r,
  @{PROC}/sys/kernel/tainted r,

  /dev/bus/usb/ r,
  /dev/bus/usb/@{int}/@{int} rw,
  /dev/cpu/@{int}/msr rw,
  /dev/drm_dp_aux@{int} rw,
  /dev/gpiochip@{int} r,
  /dev/hidraw@{int} rw,
  /dev/mei@{int} rw,
  /dev/mem r,
  /dev/mtd@{int} rw,
  /dev/sd[a-z]* r,
  /dev/tpm@{int} rw,
  /dev/tpmrm@{int} rw,
  /dev/wmi/* r,

  profile gpg flags=(complain) {
    include <abstractions/base>
    include <abstractions/nameservice-strict>

    capability dac_read_search,

    @{bin}/gpg{,2}    mr,
    @{bin}/gpgconf    mr,
    @{bin}/gpgsm      mr,
    @{bin}/gpg-agent  mrix,

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

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

  }

  include if exists <local/fwupd>
}