#!/bin/sh
#
# Startup script for dansguardian
#
# chkconfig:	35 92 08
# description:	A web content filtering plugin for web \
#		proxies, developed to filter using lists of \
#		banned phrases, MIME types, filename \
#		extensions and PICS labelling.
# processname:	dansguardian
# pidfile:	/var/run/dansguardian.pid
# config:	/etc/dansguardian/dansguardian.conf

CONFFILELOCATION=/etc/dansguardian/
BINARYLOCATION=/usr/sbin/
PIDDIR=/var/run/

# Source function library
. /etc/rc.d/init.d/functions

# File includes changes by Thomas Jarosch
function wait_for_pid()
{
    local PID=$1
    local RET=0

    if [ $PID -eq 0 ] ; then
        return $RET
    fi

    # give 60 secs then KILL
    local COUNTDOWN=60

    while [ -d /proc/${PID} ] && [ $COUNTDOWN -gt 0 ] ; do
        sleep 1
        COUNTDOWN=$[$COUNTDOWN-1]
    done

    if [ -d /proc/${PID} ]; then
        COMMAND=`ps h -o command ${PID}`
        logger "dansguardian: timeout waiting for PID ${PID}: ${COMMAND}; sending SIGKILL"
        kill -KILL $PID >/dev/null 2>&1
        RET=1
    fi

    return $RET
}

# See how we were called.

case "$1" in
  start)
	# Check if the service is already running?
	if [ ! -f /var/lock/subsys/dansguardian ]; then
		if [ -f ${BINARYLOCATION}dansguardian ] &&
		   [ -f ${CONFFILELOCATION}dansguardian.conf ]; then
			msg_starting dansguardian
			run_cmd ${BINARYLOCATION}dansguardian 2>/dev/null
			RETVAL=$?
	 		[ $RETVAL -eq 0 ] && touch /var/lock/subsys/dansguardian
		fi
	else
		msg_already_running dansguardian
	fi
	;;
  stop)
	if [ -f /var/lock/subsys/dansguardian ]; then
		msg_stopping dansguardian
		busy
		WAITPID=0
		if [ -f ${PIDDIR}dansguardian.pid ] ; then
			WAITPID=`cat ${PIDDIR}dansguardian.pid`
		fi
		if ${BINARYLOCATION}dansguardian -q 2> /dev/null; then
			if wait_for_pid $WAITPID ; then
				ok
			else
				fail
			fi
			rm -f ${PIDDIR}dansguardian.pid
			rm -f /tmp/.dguardianipc
			[ -d /var/lock/subsys ] && /bin/rm -f /var/lock/subsys/dansguardian
		else
			fail
		fi
	else
		msg_not_running dansguardian
	fi
	;;
  restart|force-reload)
	$0 stop
	$0 start
        ;;
  status)
	if [ -f ${BINARYLOCATION}dansguardian ]; then
		${BINARYLOCATION}dansguardian -s
	fi
	status dansguardian
	exit $?
	;;
  *)
	msg_usage "$0 {start|stop|restart|force-reload|status}"
	exit 3
esac

exit $RETVAL