#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/mod/sbin:/mod/bin:/mod/usr/sbin:/mod/usr/bin
export LD_LIBRARY_PATH=/mod/lib

DAEMON=stunnel
PIDFILE="/var/run/$DAEMON.pid"

case "$1" in
	""|load|start|restart)
		if [ ! -r "/mod/etc/conf/$DAEMON.cfg" ]; then
			echo "Error[$DAEMON]: not configured" 1>&2
			exit 1
		fi

		. /mod/etc/conf/$DAEMON.cfg
		;;
esac

is_running() {
	local pid
	[ -e "$PIDFILE" ] && read pid < "$PIDFILE" && 
	kill -EXIT "$pid" 2> /dev/null
}

pre_config() {
	[ -d "/tmp/flash/.stunnel" ] || mkdir /tmp/flash/.stunnel
}

start() {
	{
		if [ -x "/tmp/flash/${DAEMON}_conf" ]; then
			/tmp/flash/${DAEMON}_conf
		else
			/mod/etc/default.$DAEMON/stunnel_conf
		fi

		if [ -r "/tmp/flash/${DAEMON}.extra" ]; then
			cat /tmp/flash/${DAEMON}.extra
		fi

		if [ -r "/tmp/flash/stunnel_svcs" ]; then
			cat /tmp/flash/stunnel_svcs
		fi
	} > /mod/etc/${DAEMON}.conf

	echo -n 'Starting stunnel...'

	$DAEMON > /dev/null 2>&1

	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

stop() {
	echo -n 'Stopping stunnel...'
	read pid < "$PIDFILE" &&
	kill -USR1 "$pid" > /dev/null 2>&1

	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		rm -f $PIDFILE > /dev/null 2>&1
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

case "$1" in
	""|load)
		pre_config

		export STUNNEL_CONFIGURED="1"
		modreg cgi 'stunnel' 'Stunnel'

		deffile="/mod/etc/default.$DAEMON/stunnel_svcs.def"
		[ -r "/tmp/flash/stunnel_svcs.def" ] && deffile='/tmp/flash/stunnel_svcs.def'
		modreg file 'stunnel_svcs' 'Stunnel: services' 0 "$deffile"

		deffile="/mod/etc/default.$DAEMON/stunnel_key.def"
		[ -r "/tmp/flash/stunnel_key.def" ] && deffile='/tmp/flash/stunnel_key.def'
		modreg file 'stunnel_key' 'Stunnel: Private Key' 0 "$deffile"

		deffile="/mod/etc/default.$DAEMON/stunnel_certchain.def"
		[ -r "/tmp/flash/stunnel_certchain.def" ] && deffile='/tmp/flash/stunnel_certchain.def'
		modreg file 'stunnel_certchain' 'Stunnel: Certificate Chain' 0 "$deffile"

		if [ "$STUNNEL_ENABLED" != "yes" ]; then
			echo "$DAEMON is disabled" 1>&2
			exit 1;
		fi

		start
		;;
	unload)
		stop
		modunreg file 'stunnel_key'
		modunreg file 'stunnel_certchain'
		modunreg file 'stunnel_svcs'
		modunreg cgi 'stunnel'
		;;
	start)
		start
		;;
	stop)
		if ! is_running; then
			echo "$DAEMON is not running" >&2
			exit 1
		fi
		stop
		;;
	restart)
		stop
		sleep 1
		start
		;;
	status)
		if is_running; then
			echo 'running'
		else
			echo 'stopped'
		fi
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|status]" 1>&2
		exit 1
		;;
esac

exit 0