# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2017-2021 Mikhail Morfikov
# Copyright (C) 2023-2024 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/4.0>,

include <tunables/global>

@{exec_path} = @{bin}/lightdm
@{att} = /att/lightdm/
profile lightdm /{,usr/}bin/lightdm  flags=(attach_disconnected,attach_disconnected.path=@{att},complain) {
  include <abstractions/attached/base>
  include <abstractions/bus-system>
  include <abstractions/authentication>
  include <abstractions/desktop>
  include <abstractions/fontconfig-cache-read>
  include <abstractions/nameservice-strict>
  include <abstractions/wutmp>

  capability audit_write,
  capability chown,
  capability dac_override,
  capability dac_read_search,
  capability fowner,
  capability fsetid,
  capability kill,
  capability net_admin,
  capability setgid,
  capability setuid,
  capability sys_resource,
  capability sys_tty_config,

  network netlink raw,

  signal (receive) set=(usr1) peer=xorg,
  signal (send) set=(term) peer=lightdm-*-greeter,
  signal (send) set=(term) peer=xfce-session,
  signal (send) set=(term) peer=xorg,

  include <abstractions/bus/system/own>

  dbus bind bus=system name=org.freedesktop.DisplayManager{,.*},
  dbus receive bus=system path=/org/freedesktop/DisplayManager{,/**}
       interface=org.freedesktop.DisplayManager{,.*}
       peer=(name="@{busname}"),
  dbus send bus=system path=/org/freedesktop/DisplayManager{,/**}
       interface=org.freedesktop.DisplayManager{,.*}
       peer=(name="{@{busname},org.freedesktop.DBus}"),
  dbus (send receive) bus=system path=/org/freedesktop/DisplayManager{,/**}
       interface=org.freedesktop.DBus.Properties
       member={Get,GetAll,Set,PropertiesChanged}
       peer=(name="{@{busname},org.freedesktop.DBus}"),
  dbus receive bus=system path=/org/freedesktop/DisplayManager{,/**}
       interface=org.freedesktop.DBus.Introspectable
       member=Introspect
       peer=(name="@{busname}"),
  dbus receive bus=system path=/org/freedesktop/DisplayManager{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       member=GetManagedObjects
       peer=(name="{@{busname},org.freedesktop.DisplayManager{,.*}}"),
  dbus send bus=system path=/org/freedesktop/DisplayManager{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       member={InterfacesAdded,InterfacesRemoved}
       peer=(name="{@{busname},org.freedesktop.DBus}"),

  @{exec_path} mrix,

  @{sh_path}        rix,
  @{bin}/{,e,f}grep rix,
  @{bin}/df         rix,
  @{bin}/rm         rix,

  @{bin}/lightdm-*-greeter    rpux,
  @{bin}/startx                rpx,
  @{bin}/Xorg                  rpx,
  @{bin}/plymouth              rpx,
  @{bin}/gnome-keyring-daemon  rpx,
  @{bin}/lightdm-session       rpx,


  @{lib}/{,at-spi2{,-core}/}at-spi-bus-launcher rpx,

  /etc/lightdm/Xsession        rpx,
  /etc/X11/Xsession            rpx,

  /usr/share/lightdm/{,**} r,
  /usr/share/wayland-sessions/{,*.desktop} r,
  /usr/share/xgreeters/{,**} r,

  @{etc_ro}/environment r,
  @{etc_ro}/security/limits.d/{,*} r,
  /etc/default/locale r,
  /etc/lightdm/{,**} r,
  /etc/machine-id r,
  /etc/shells r,

  /var/cache/lightdm/dmrc/*.dmrc* rw,
  /var/lib/lightdm/{,**} rw,
  /var/lib/lightdm-data/{,**} rw,
  /var/log/lightdm/{,**} rw,

  owner @{HOME}/.dmrc r,

        @{run}/faillock/ rw,
        @{run}/faillock/@{user} rwk,
        @{run}/lightdm.pid rw,
        @{run}/lightdm/{,**} rw,
  owner @{run}/systemd/sessions/*.ref rw,

        @{PROC}/1/limits r,
        @{PROC}/cmdline r,
  owner @{PROC}/@{pid}/fd/ r,
  owner @{PROC}/@{pid}/loginuid rw,
  owner @{PROC}/@{pid}/uid_map r,
  owner @{PROC}/@{pid}/mountinfo r,

  /dev/tty@{int} r,

  include if exists <local/lightdm>
}

# vim:syntax=apparmor
