/etc/apparmor.d/abstractions/X is in apparmor 2.7.102-0ubuntu3.11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | # vim:syntax=apparmor
# ------------------------------------------------------------------
#
# Copyright (C) 2002-2009 Novell/SUSE
# Copyright (C) 2009-2011 Canonical Ltd.
#
# 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.
#
# ------------------------------------------------------------------
# .ICEauthority files required for X authentication, per user
@{HOME}/.ICEauthority r,
# .Xauthority files required for X connections, per user
@{HOME}/.Xauthority r,
owner /{,var/}run/gdm/*/database r,
owner /{,var/}run/lightdm/authority/[0-9]* r,
# the unix socket to use to connect to the display
/tmp/.X11-unix/* w,
/usr/include/X11/ r,
/usr/include/X11/** r,
# The X tree changes and is large -- grant read access to the whole thing
/usr/X11R6/** r,
/usr/share/X11/ r,
/usr/share/X11/** r,
/usr/X11R6/**.so* mr,
# DRI
/usr/lib{,32,64}/dri/** mr,
/usr/lib/@{multiarch}/dri/** mr,
/dev/dri/** rw,
/etc/drirc r,
owner @{HOME}/.drirc r,
# mouse themes
/etc/X11/cursors/ r,
/etc/X11/cursors/** r,
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