#!/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

source /lib/apparmor/functions
source /lib/lsb/init-functions

proc 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

proc securityfs {
	# Need securityfs for any mode
	if test ! -d $(AA_SFS) {
		if cut -d" " -f2,3 /proc/mounts | grep -q "^$(SECURITYFS) securityfs"'$'  {
			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 $(SECURITYFS) {
				log_action_end_msg 1
				log_end_msg 1
				exit 1
			}
		}
	}
	if test ! -w "$AA_SFS"/.load {
		log_action_msg "Insufficient privileges to change profiles."
		log_end_msg 1
		exit 1
	}
}

# Allow "recache" even when running on the liveCD
if test $1 = "recache" {
	log_daemon_msg "Recaching AppArmor profiles"
	recache_profiles
	global rc := $Status
	log_end_msg $rc
	exit $rc
}

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

global rc := '255'
matchstr $1 {
	start {
		if test -x /bin/running-in-container && /bin/running-in-container {
			log_daemon_msg "Not starting AppArmor in container"
			log_end_msg 0
			exit 0
		}
		log_daemon_msg "Starting AppArmor profiles"
		securityfs
		load_configured_profiles
		global rc := $Status
		log_end_msg $rc
		}
	stop {
		log_daemon_msg "Clearing AppArmor profiles cache"
		clear_cache
		global rc := $Status
		log_end_msg $rc
		cat > !2