/etc/apparmor.d/abstractions/winbind is in apparmor 2.7.102-0ubuntu3.
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 | # ------------------------------------------------------------------
#
# Copyright (C) 2002-2009 Novell/SUSE
# Copyright (C) 2009 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.
#
# ------------------------------------------------------------------
# pam_winbindd
/tmp/.winbindd/pipe rw,
/var/{lib,run}/samba/winbindd_privileged/pipe rw,
/etc/samba/smb.conf r,
/usr/lib*/samba/valid.dat r,
/usr/lib*/samba/upcase.dat r,
/usr/lib*/samba/lowcase.dat r,
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