apparmor.d/profiles/lightdm
2021-04-01 16:17:47 +01:00

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# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2017-2021 Mikhail Morfikov
# SPDX-License-Identifier: GPL-2.0-only
abi <abi/3.0>,
include <tunables/global>
@{exec_path} = /{usr/,}sbin/lightdm
profile lightdm @{exec_path} {
include <abstractions/base>
include <abstractions/X>
include <abstractions/fonts>
include <abstractions/fontconfig-cache-read>
include <abstractions/freedesktop.org>
include <abstractions/nameservice-strict>
include <abstractions/authentication>
include <abstractions/wutmp>
# To remove the following errors:
# lightdm[]: Could not chown user data directory /var/lib/lightdm/data/lightdm: Error setting
# owner: Operation not permitted
capability chown,
capability fowner,
capability fsetid,
# To remove the following errors:
# write(2, "Failed to initialize supplementary groups for lightdm:
# Operation not permitted\n", 79) = 79
capability setgid,
# To remove the following errors:
# write(1, "Bail out! ERROR:privileges.c:30:privileges_drop: assertion failed:
# (setresuid (uid, uid, -1) == 0)\n", 99) = 99
capability setuid,
# To remove the following errors:
# lightdm[]: Could not enumerate user data directory /var/lib/lightdm/data: Error opening
# directory '/var/lib/lightdm/data': Permission denied
capability dac_read_search,
# To remove the following errors:
# Error using VT_ACTIVATE 7 on /dev/tty0: Operation not permitted
capability sys_tty_config,
# To be able to kill the X-server
capability kill,
# To remove the following errors:
# pam_limits(su-l:session): Could not set limit for 'nofile' to soft=1024, hard=1048576:
# Operation not permitted; uid=1000,euid=0
# pam_limits(su-l:session): Could not set limit for 'memlock' to soft=1017930240,
# hard=1017930240: Operation not permitted; uid=1000,euid=0
capability sys_resource,
# Needed?
capability audit_write,
deny capability sys_nice,
deny capability net_admin,
signal (send) set=(term, kill, usr1),
signal (receive) set=(usr1) peer=xorg,
@{exec_path} mrix,
/{usr/,}bin/plymouth mrix,
/{usr/,}bin/Xorg rPx,
/{usr/,}sbin/lightdm-gtk-greeter rPx,
/{usr/,}bin/startx rPx,
/etc/X11/Xsession rPUx,
/{usr/,}bin/gnome-keyring-daemon rPUx,
/{usr/,}bin/rm rix,
# LightDM files
/usr/share/lightdm/{,**} r,
/usr/share/xgreeters/{,**} r,
/var/lib/lightdm/{,**} rw,
# List of graphical sessions
# The X sessions are covered by abstractions/X
/usr/share/wayland-sessions/{,*.desktop} r,
/tmp/.X[0-9]*-lock r,
# LightDM config files
/etc/lightdm/{,**} r,
# LightDM logs
/var/log/lightdm/{,**} rw,
@{run}/lightdm/{,**} rw,
@{run}/lightdm.pid rw,
@{PROC}/1/limits r,
/etc/security/limits.d/ r,
owner @{PROC}/@{pid}/uid_map r,
owner @{PROC}/@{pid}/loginuid rw,
owner @{PROC}/@{pid}/fd/ r,
@{PROC}/cmdline r,
/etc/environment r,
/etc/default/locale r,
/dev/tty[0-9]* r,
# Xsession logs
owner @{HOME}/.xsession-errors{,.old} rw,
owner @{HOME}/.Xauthority rw,
owner @{HOME}/.dmrc* rw,
/var/cache/lightdm/dmrc/*.dmrc* rw,
/{usr/,}lib/at-spi2-core/at-spi-bus-launcher rPUx,
/usr/libexec/at-spi-bus-launcher rPUx,
include if exists <local/lightdm>
}