File knockd.init of Package knock

#! /bin/sh
# Copyright (c) 1997-2006 SUSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Henne Vogelsang
# Please send feedback to http://www.suse.de/feedback/
#
# /etc/init.d/knockd
#   and its symbolic link
# /usr/sbin/rcknockd
#
#    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. 
# 
#    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, write to the Free Software 
#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
### BEGIN INIT INFO
# Provides:          knockd
# Required-Start:    $syslog $remote_fs $network
# Required-Stop:     $syslog $remote_fs
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: knock daemon providing port-knocking
# Description:       Start knockd to allow port-knocking
### END INIT INFO

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
KNOCKD_BIN=/usr/sbin/knockd
test -x $KNOCKD_BIN || { echo "$KNOCKD_BIN not installed"; 
	if [ "$1" = "stop" ]; then exit 0;
	else exit 5; fi; }

# Check for existence of needed config file and read it
KNOCKD_CONFIG=/etc/sysconfig/knockd
test -r $KNOCKD_CONFIG || { echo "$KNOCKD_CONFIG not existing";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

# Read config	
. $KNOCKD_CONFIG

# Shell functions sourced from /etc/rc.status:
. /etc/rc.status

# Reset status of this service
rc_reset

case "$1" in
    start)
	echo -n "Starting knockd "
	startproc $KNOCKD_BIN $KNOCKD_OPTIONS
	rc_status -v
	;;
    stop)
	echo -n "Shutting down knockd "
	killproc -TERM $KNOCKD_BIN
	rc_status -v
	;;
    try-restart)
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset
	fi
	rc_status
	;;
    restart)
	$0 stop
	$0 start
	rc_status
	;;
    force-reload)
	echo -n "Reload service KNOCKD "
	killproc -HUP $KNOCKD_BIN
	rc_status -v
	;;
    reload)
	echo -n "Reload service KNOCKD "
	killproc -HUP $KNOCKD_BIN
	rc_status -v
	;;
    status)
	echo -n "Checking for service KNOCKD "
	checkproc $KNOCKD_BIN
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
	exit 1
	;;
esac
rc_exit