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#!/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: $local_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 "$1" in
start)
if [ -x /usr/bin/systemd-detect-virt ] && \
systemd-detect-virt --quiet --container && \
! is_container_with_internal_policy; then
log_daemon_msg "Not starting AppArmor in container"
log_end_msg 0
exit 0
fi
log_daemon_msg "Starting AppArmor profiles"
securityfs
load_configured_profiles
rc=$?
log_end_msg "$rc"
;;
stop)
log_daemon_msg "Clearing AppArmor profiles cache"
clear_cache
rc=$?
log_end_msg "$rc"
cat >&2 <<EOM
All profile caches have been cleared, but no profiles have been unloaded.
Unloading profiles will leave already running processes permanently
unconfined, which can lead to unexpected situations.
To set a process to complain mode, use the command line tool
'aa-complain'. To really tear down all profiles, run the init script
with the 'teardown' option."
EOM
;;
teardown)
if [ -x /usr/bin/systemd-detect-virt ] && \
systemd-detect-virt --quiet --container && \
! is_container_with_internal_policy; then
log_daemon_msg "Not tearing down AppArmor in container"
log_end_msg 0
exit 0
fi
log_daemon_msg "Unloading AppArmor profiles"
securityfs
running_profile_names | while read profile; do
if ! unload_profile "$profile" ; then
log_end_msg 1
exit 1
fi
done
rc=0
log_end_msg $rc
;;
restart|reload|force-reload)
if [ -x /usr/bin/systemd-detect-virt ] && \
systemd-detect-virt --quiet --container && \
! is_container_with_internal_policy; then
log_daemon_msg "Not reloading AppArmor in container"
log_end_msg 0
exit 0
fi
log_daemon_msg "Reloading AppArmor profiles"
securityfs
clear_cache
load_configured_profiles
rc=$?
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
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