~apparmor-dev/apparmor/apparmor-ubuntu-citrain-trusty

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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
#!/bin/sh
# ----------------------------------------------------------------------
#    Copyright (c) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
#     NOVELL (All rights reserved)
#    Copyright (c) 2008, 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.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, contact Novell, Inc.
# ----------------------------------------------------------------------
# Authors:
#  Steve Beattie <steve.beattie@canonical.com>
#  Kees Cook <kees@ubuntu.com>
#
# /etc/init.d/apparmor
#
### BEGIN INIT INFO
# Provides: apparmor
# Required-Start: $remote_fs
# Required-Stop: umountfs
# Default-Start: S
# Default-Stop:
# Short-Description: AppArmor initialization
# Description: AppArmor init script. This script loads all AppArmor profiles.
### END INIT INFO

. /lib/apparmor/functions
. /lib/lsb/init-functions

usage() {
    echo "Usage: $0 {start|stop|restart|reload|force-reload|status|recache}"
}

test -x ${PARSER} || exit 0 # by debian policy
# LSM is built-in, so it is either there or not enabled for this boot
test -d /sys/module/apparmor || exit 0

securityfs() {
	# Need securityfs for any mode
	if [ ! -d "${AA_SFS}" ]; then
		if cut -d" " -f2,3 /proc/mounts | grep -q "^${SECURITYFS} securityfs"'$' ; then
			log_action_msg "AppArmor not available as kernel LSM."
			log_end_msg 1
			exit 1
		else
			log_action_begin_msg "Mounting securityfs on ${SECURITYFS}"
			if ! mount -t securityfs none "${SECURITYFS}"; then
				log_action_end_msg 1
				log_end_msg 1
				exit 1
			fi
		fi
	fi
	if [ ! -w "$AA_SFS"/.load ]; then
		log_action_msg "Insufficient privileges to change profiles."
		log_end_msg 1
		exit 1
	fi
}

# Allow "recache" even when running on the liveCD
if [ "$1" = "recache" ]; then
	log_daemon_msg "Recaching AppArmor profiles"
	recache_profiles
	rc=$?
	log_end_msg "$rc"
	exit $rc
fi

# do not perform start/stop/reload actions when running from liveCD
test -d /rofs/etc/apparmor.d && exit 0

rc=255
case "$1" in
	start)
		if [ -x /bin/running-in-container ] && /bin/running-in-container; then
			log_daemon_msg "Not starting AppArmor in container"
			log_end_msg 0
			exit 0
		fi
		log_daemon_msg "Starting AppArmor profiles"
		securityfs
		load_configured_profiles
		rc=$?
		log_end_msg "$rc"
		;;
	stop)
		log_daemon_msg "Clearing AppArmor profiles cache"
		clear_cache
		rc=$?
		log_end_msg "$rc"
		cat >&2 <<EOM
All profile caches have been cleared, but no profiles have been unloaded.
Unloading profiles will leave already running processes permanently
unconfined, which can lead to unexpected situations.

To set a process to complain mode, use the command line tool
'aa-complain'. To really tear down all profiles, run the init script
with the 'teardown' option."
EOM
		;;
	teardown)
		if [ -x /bin/running-in-container ] && /bin/running-in-container; then
			log_daemon_msg "Not tearing down AppArmor in container"
			log_end_msg 0
			exit 0
		fi
		log_daemon_msg "Unloading AppArmor profiles"
		securityfs
		running_profile_names | while read profile; do
			if ! unload_profile "$profile" ; then
				log_end_msg 1
				exit 1
			fi
		done
		rc=0
		log_end_msg $rc
		;;
	restart|reload|force-reload)
		if [ -x /bin/running-in-container ] && /bin/running-in-container; then
			log_daemon_msg "Not reloading AppArmor in container"
			log_end_msg 0
			exit 0
		fi
		log_daemon_msg "Reloading AppArmor profiles"
		securityfs
		clear_cache
		load_configured_profiles
		rc=$?

		# Now, we have to find profiles that were removed.  Currently
		# we must re-parse all the profiles to get policy names.  :(
		aa_configured=$(mktemp -t aa-XXXXXX)
		configured_profile_names > "$aa_configured" || exit 1
		aa_loaded=$(mktemp -t aa-XXXXXX)
		running_profile_names > "$aa_loaded" || exit 1
		LC_COLLATE=C comm -2 -3 "$aa_loaded" "$aa_configured" | while read profile ; do
			unload_profile "$profile"
	        done
		rm -f "$aa_configured" "$aa_loaded"

		log_end_msg "$rc"
		;;
	status)
		securityfs
		if [ -x /usr/sbin/aa-status ]; then
			aa-status --verbose
		else
			cat "$AA_SFS"/profiles
		fi
		rc=$?
		;;
	*)
		usage
		rc=1
		;;
	esac
exit $rc