#! /bin/sh

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/knockd
DEFAULT=/etc/default/knockd
NAME=knockd
DESC="Port-knock daemon"
OPTIONS=" -d"

umask 0037

test -f $DAEMON || exit 0

set -e

if [ -f $DEFAULT ]; then
    . $DEFAULT
fi

[ "$KNOCKD_OPTS" ] && OPTIONS="$OPTIONS $KNOCKD_OPTS"

case "$1" in
  start)
	if [ $START_KNOCKD -ne 1 ]; then
		echo "Not starting knockd. To enable it edit $DEFAULT"
		exit 0
	fi
	echo -n "Starting $DESC: "
	start-stop-daemon --start --oknodo --quiet --exec $DAEMON -- $OPTIONS
	echo "$NAME."
	/etc/knockd/inicial
	;;
  stop)
	echo -n "Stopping $DESC: "
	start-stop-daemon --stop --oknodo --quiet --exec $DAEMON
	echo "$NAME."
	iptables -F knock 2>/dev/null
	;;
#  restart|reload|force-reload)
#	echo -n "Restarting $DESC: "
#	start-stop-daemon --stop --oknodo --quiet --exec $DAEMON
#	if [ $START_KNOCKD -ne 1 ]; then
#		echo "Not starting knockd. To enable it edit $DEFAULT"
#		exit 0
#	fi
#	sleep 1
#	start-stop-daemon --start --oknodo --quiet --exec $DAEMON -- $OPTIONS
#	echo "$NAME."
#	;;
  *)
        echo "Usage: $0 {start|stop|restart|reload|force-reload}" >&2
	exit 1
	;;
esac

exit 0