This file is indexed.

/etc/apparmor.d/usr.lib.dovecot.auth is in apparmor-profiles 2.12-4ubuntu5.1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# ------------------------------------------------------------------
#
#    Copyright (C) 2013 Christian Boltz
#    Copyright (C) 2014 Christian Wittmer
#
#    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.
#
# ------------------------------------------------------------------
# vim: ft=apparmor

#include <tunables/global>

/usr/lib/dovecot/auth flags=(complain) {
  #include <abstractions/authentication>
  #include <abstractions/base>
  #include <abstractions/mysql>
  #include <abstractions/nameservice>
  #include <abstractions/openssl>
  #include <abstractions/wutmp>
  #include <abstractions/dovecot-common>

  capability audit_write,
  capability dac_override,
  capability dac_read_search,
  capability setuid,

  /etc/my.cnf r,
  /etc/my.cnf.d/ r,
  /etc/my.cnf.d/*.cnf r,

  /etc/dovecot/* r,
  /usr/lib/dovecot/auth mr,

  # kerberos replay cache
  /var/tmp/imap_* rw,
  /var/tmp/pop_* rw,
  /var/tmp/sieve_* rw,
  /var/tmp/smtp_* rw,

  /run/dovecot/auth-master rw,
  /run/dovecot/auth-worker rw,
  /run/dovecot/login/login rw,
  /{var/,}run/dovecot/auth-token-secret.dat{,.tmp} rw,
  /{var/,}run/dovecot/stats-user rw,
  /{var/,}run/dovecot/anvil-auth-penalty rw,

  /var/spool/postfix/private/auth w,

  # Site-specific additions and overrides. See local/README for details.
  #include <local/usr.lib.dovecot.auth>
}