This file is indexed.

/etc/apparmor.d/usr.sbin.ntpd is in ntp 1:4.2.8p10+dfsg-5ubuntu7.

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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
# vim:syntax=apparmor
# Updated for Ubuntu by: Jamie Strandboge <jamie@canonical.com>
# ------------------------------------------------------------------
#
#    Copyright (C) 2002-2005 Novell/SUSE
#    Copyright (C) 2009-2012 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.
#
# ------------------------------------------------------------------

#include <tunables/global>
#include <tunables/ntpd>
/usr/sbin/ntpd flags=(attach_disconnected) {
  #include <abstractions/base>
  #include <abstractions/nameservice>
  #include <abstractions/user-tmp>

  capability ipc_lock,
  capability net_bind_service,
  capability setgid,
  capability setuid,
  capability sys_chroot,
  capability sys_resource,
  capability sys_time,
  capability sys_nice,

  # ntp uses AF_INET, AF_INET6 and AF_UNSPEC
  network dgram,
  network stream,

  @{PROC}/net/if_inet6 r,
  @{PROC}/*/net/if_inet6 r,
  @{NTPD_DEVICE} rw,
  # pps devices are almost exclusively used with NTP
  /dev/pps[0-9]* rw,

  /{,s}bin/      r,
  /usr/{,s}bin/  r,
  /usr/local/{,s}bin/  r,
  /usr/sbin/ntpd rmix,

  /etc/ntp.conf r,
  /etc/ntp.conf.dhcp r,
  /etc/ntpd.conf r,
  /etc/ntpd.conf.tmp r,
  /run/ntp.conf.dhcp r,

  /etc/ntp.keys r,
  /etc/ntp/** r,

  /etc/ntp.drift rwl,
  /etc/ntp.drift.TEMP rwl,
  /etc/ntp/drift* rwl,
  /var/lib/ntp/*drift rw,
  /var/lib/ntp/*drift.TEMP rw,

  /var/log/ntp w,
  /var/log/ntp.log w,
  /var/log/ntpd w,
  /var/log/ntpstats/clockstats* rwl,
  /var/log/ntpstats/loopstats*  rwl,
  /var/log/ntpstats/peerstats*  rwl,
  /var/log/ntpstats/protostats* rwl,
  /var/log/ntpstats/rawstats*   rwl,
  /var/log/ntpstats/sysstats*   rwl,

  /{,var/}run/ntpd.pid w,

  # to be able to check for running ntpdate
  /run/lock/ntpdate wk,

  # samba4 ntp signing socket
  /{,var/}run/samba/ntp_signd/socket rw,

  # samba4 winbindd pipe
  /run/samba/winbindd/pipe rw,

  # For use with clocks that report via shared memory (e.g. gpsd),
  # you may need to give ntpd access to all of shared memory, though
  # this can be considered dangerous. See https://launchpad.net/bugs/722815
  # for details. To enable, add this to local/usr.sbin.ntpd:
  #     capability ipc_owner,

  # Site-specific additions and overrides. See local/README for details.
  #include <local/usr.sbin.ntpd>
}