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Strongswan

#! @IPSEC_SHELL@
# prefix command to run stuff from our programs directory
# Copyright (C) 1998-2002  Henry Spencer.
# Copyright (C) 2006-2014 Andreas Steffen
# Copyright (C) 2006 Martin Willi
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
#
# 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.

# define a minimum PATH environment in case it is not set
PATH=${PATH:-"/sbin:/bin:/usr/sbin:/usr/bin"}
export PATH

# set daemon name
[ -z "$DAEMON_NAME" ] && DAEMON_NAME="charon"

# name and version of the ipsec implementation
OS_NAME=`uname -s`
IPSEC_NAME="@IPSEC_NAME@"
IPSEC_VERSION="U@IPSEC_VERSION@/K`uname -r`"

# where the private directory and the config files are
IPSEC_DIR="@IPSEC_DIR@"
IPSEC_BINDIR="@IPSEC_BINDIR@"
IPSEC_SBINDIR="@IPSEC_SBINDIR@"
IPSEC_CONFDIR="@IPSEC_CONFDIR@"
IPSEC_PIDDIR="@IPSEC_PIDDIR@"
IPSEC_SCRIPT="@IPSEC_SCRIPT@"

IPSEC_STARTER_PID="${IPSEC_PIDDIR}/starter.${DAEMON_NAME}.pid"
IPSEC_CHARON_PID="${IPSEC_PIDDIR}/${DAEMON_NAME}.pid"

IPSEC_STROKE="${IPSEC_DIR}/stroke"
IPSEC_STARTER="${IPSEC_DIR}/starter"

export IPSEC_DIR IPSEC_BINDIR IPSEC_SBINDIR IPSEC_CONFDIR IPSEC_PIDDIR IPSEC_SCRIPT IPSEC_VERSION IPSEC_NAME IPSEC_STARTER_PID IPSEC_CHARON_PID

IPSEC_DISTRO="University of Applied Sciences Rapperswil, Switzerland"

command_dir="$IPSEC_DIR"

case "$1" in
'')
	echo "$IPSEC_SCRIPT command [arguments]"
	echo
	echo "Use --help for a list of commands, or refer to the $IPSEC_SCRIPT(8) man page."
	echo "See <http://www.strongswan.org> for more general information."
	exit 0
	;;
--help)
	echo "$IPSEC_SCRIPT command [arguments]"
	echo
	echo "Commands:"
	echo "	start|restart [arguments]"
	echo "	update|reload|stop"
	echo "	up|down|route|unroute <connectionname>"
	echo "	down-srcip <start> [<end>]"
	echo "	status|statusall [<connectionname>]"
	echo "	listalgs|listpubkeys|listcerts [--utc]"
	echo "	listcacerts|listaacerts|listocspcerts [--utc]"
	echo "	listacerts|listgroups|listcainfos [--utc]"
	echo "	listcrls|listocsp|listplugins|listall [--utc]"
	echo "	listcounters|resetcounters [name]"
	echo "	leases [<poolname> [<address>]]"
	echo "	rereadsecrets|rereadcacerts|rereadaacerts"
	echo "	rereadocspcerts|rereadacerts|rereadcrls|rereadall"
	echo "	purgecerts|purgecrls|purgeike|purgeocsp"
	echo "	scepclient|pki"
	echo "	stroke"
	echo "	version"
	echo
	echo "Refer to the $IPSEC_SCRIPT(8) man page for details."
	echo "Some commands have their own man pages, e.g. pki(1) or scepclient(8)."
	exit 0
	;;
--versioncode)
	echo "$IPSEC_VERSION"
	exit 0
	;;
--directory)
	echo "$IPSEC_DIR"
	exit 0
	;;
--confdir)
	echo "$IPSEC_CONFDIR"
	exit 0
	;;
--piddir)
	echo "$IPSEC_PIDDIR"
	exit 0
	;;
down)
	shift
	if [ "$#" -ne 1 ]
	then
		echo "Usage: $IPSEC_SCRIPT down <connection name>"
		exit 2
	fi
	rc=7
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE down "$1"
		rc="$?"
	fi
	exit "$rc"
	;;
down-srcip)
	shift
	if [ "$#" -lt 1 ]
	then
		echo "Usage: $IPSEC_SCRIPT down-srcip <start> [<end>]"
		exit 2
	fi
	rc=7
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE down-srcip $*
		rc="$?"
	fi
	exit "$rc"
	;;
leases)
	op="$1"
	rc=7
	shift
	if [ -e $IPSEC_CHARON_PID ]
	then
		case "$#" in
		0) $IPSEC_STROKE "$op" ;;
		1) $IPSEC_STROKE "$op" "$1" ;;
		*) $IPSEC_STROKE "$op" "$1" "$2" ;;
		esac
		rc="$?"
	fi
	exit "$rc"
	;;
listalgs|listpubkeys|listplugins|\
listcerts|listcacerts|listaacerts|\
listacerts|listgroups|listocspcerts|\
listcainfos|listcrls|listocsp|listall|\
rereadsecrets|rereadcacerts|rereadaacerts|\
rereadacerts|rereadocspcerts|rereadcrls|\
rereadall|purgeocsp|listcounters|resetcounters)
	op="$1"
	rc=7
	shift
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE "$op" "$@"
		rc="$?"
	fi
	exit "$rc"
	;;
purgeike|purgecrls|purgecerts)
	rc=7
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE "$1"
		rc="$?"
	fi
	exit "$rc"
	;;
reload)
	rc=7
	if [ -e $IPSEC_STARTER_PID ]
	then
		echo "Reloading strongSwan IPsec configuration..." >&2
		kill -USR1 `cat $IPSEC_STARTER_PID` 2>/dev/null && rc=0
	else
		echo "Reloading strongSwan IPsec failed: starter is not running" >&2
	fi
	exit "$rc"
	;;
restart)
	$IPSEC_SBINDIR/$IPSEC_SCRIPT stop
	sleep 2
	shift
	exec $IPSEC_SBINDIR/$IPSEC_SCRIPT start "$@"
	;;
route|unroute)
	op="$1"
	rc=7
	shift
	if [ "$#" -ne 1 ]
	then
		echo "Usage: $IPSEC_SCRIPT $op <connection name>"
		exit 2
	fi
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE "$op" "$1"
		rc="$?"
	fi
	exit "$rc"
	;;
secrets)
	rc=7
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE rereadsecrets
		rc="$?"
	fi
	exit "$rc"
	;;
start)
	shift
	if [ -d /var/lock/subsys ]; then
		touch /var/lock/subsys/ipsec
	fi
	exec $IPSEC_STARTER --daemon $DAEMON_NAME "$@"
	;;
status|statusall)
	op="$1"
	# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
	shift
	if [ $# -eq 0 ]
	then
		if [ -e $IPSEC_CHARON_PID ]
		then
			$IPSEC_STROKE "$op"
		fi
	else
		if [ -e $IPSEC_CHARON_PID ]
		then
			$IPSEC_STROKE "$op" "$1"
		fi
	fi
	if [ -e $IPSEC_STARTER_PID ]
	then
		kill -0 `cat $IPSEC_STARTER_PID` 2>/dev/null
		exit $?
	fi
	exit 3
	;;
stop)
	# stopping a not-running service is considered as success
	if [ -e $IPSEC_STARTER_PID ]
	then
		echo "Stopping strongSwan IPsec..." >&2
		spid=`cat $IPSEC_STARTER_PID`
		if [ -n "$spid" ]
		then
			kill $spid 2>/dev/null
			loop=110
			while [ $loop -gt 0 ] ; do
				kill -0 $spid 2>/dev/null || break
				sleep 0.1 2>/dev/null
				if [ $? -ne 0 ]
				then
					sleep 1
					loop=$(($loop - 9))
				fi
				loop=$(($loop - 1))
			done
			if [ $loop -le 0 ]
			then
				kill -KILL $spid 2>/dev/null
				rm -f $IPSEC_STARTER_PID
			fi
		fi
	else
		echo "Stopping strongSwan IPsec failed: starter is not running" >&2
	fi
	if [ -d /var/lock/subsys ]; then
		rm -f /var/lock/subsys/ipsec
	fi
	exit 0
	;;
up)
	shift
	if [ "$#" -ne 1 ]
	then
		echo "Usage: $IPSEC_SCRIPT up <connection name>"
		exit 2
	fi
	rc=7
	if [ -e $IPSEC_CHARON_PID ]
	then
		$IPSEC_STROKE up "$1"
		rc="$?"
	fi
	exit "$rc"
	;;
update)
	if [ -e $IPSEC_STARTER_PID ]
	then
		echo "Updating strongSwan IPsec configuration..." >&2
		kill -HUP `cat $IPSEC_STARTER_PID`
		exit 0
	else
		echo "Updating strongSwan IPsec failed: starter is not running" >&2
		exit 7
	fi
	;;
aikgen|pki)
	# programs in BINDIR may be called directly, these two are listed for legacy reasons
	command_dir="$IPSEC_BINDIR"
	# fall through
	;;
attest|conftest|dumm|irdumm|pool|pt-tls-client|scepclient|stroke|\
duplicheck|error-notify|imv_policy_manager|load-tester|lookip|whitelist|\
_updown|_imv_policy)
	# fall through
	;;
copyright|--copyright)
	set _copyright
	# fall through
	;;
version|--version)
	printf "$OS_NAME $IPSEC_NAME $IPSEC_VERSION\n"
	printf "$IPSEC_DISTRO\n"
	printf "See '$IPSEC_SCRIPT --copyright' for copyright information.\n"
	exit 0
	;;
--*)
	echo "$0: unknown option \`$1' (perhaps command name was omitted?)" >&2
	exit 2
	;;
*)
	echo "$0: unknown command \`$1' (\`$IPSEC_SCRIPT --help' for list)" >&2
	exit 2
	;;
esac

cmd="$1"
shift

path="$command_dir/$cmd"

if [ ! -x "$path" ]
then
	echo "$0: unknown command \`$cmd' (\`$IPSEC_SCRIPT --help' for list)" >&2
	exit 2
fi

exec $path "$@"