#!/bin/sh

#

# /etc/init.d/conntrackd

#

# Created for RHEL/Centos by: James Shubin <purpleidea@gmail.com>

#

### BEGIN INIT INFO

# Provides: conntrackd

# Required-Start: $network $syslog

# Required-Stop: $network $syslog

# Should-Start: $named

# Should-Stop: $named

# Default-Stop: 0 1 6

# Short-Description: daemon for netfilter connection tracking

# Description: This is a daemon for replicating connection state across two

#              machines. See http://conntrack-tools.netfilter.org/

### END INIT INFO

# the following is the chkconfig init header

#

# conntrackd: daemon for netfilter connection tracking

#

# chkconfig: - 97 03

# description: This is a daemon for replicating connection state across two

#              machines. See http://conntrack-tools.netfilter.org/

#

# processname: conntrackd

# pidfile: /var/run/conntrackd.pid

#

# Source function library.

. /etc/rc.d/init.d/functions

exec="/usr/sbin/conntrackd"

prog="conntrackd"

config=/etc/conntrackd/conntrackd.conf

CONNTRACKD_CONFIG=

CONNTRACKD_ARGS=

[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog

lockfile=/var/lock/subsys/$prog

CONNTRACKD_CONFIG_ARGS=

if [ -n "$CONNTRACKD_CONFIG" ]

then

        CONNTRACKD_CONFIG_ARGS="-C $CONNTRACKD_CONFIG"

fi

start() {

        [ -x $exec ] || exit 5

        [ -f $config ] || exit 6

        echo -n $"Starting $prog: "

        # If Linux kernel is < 2.6.22, disable TCP window tracking

        if uname -r | {

                # version cmp courtesy of geirha in #bash

                IFS=.- read -r a b c _; [ "$((a*10000+b*100+c))" -lt 20622 ];

        }; then

                echo 1 > /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_be_liberal

        fi

        daemon --check $prog $prog -d $CONNTRACKD_CONFIG_ARGS $CONNTRACKD_ARGS

        retval=$?

        echo

        [ $retval -eq 0 ] && touch $lockfile

}

stop() {

        echo -n $"Stopping $prog: "

        killproc $prog

        retval=$?

        echo

        if [ $retval -eq 0 ]; then

                rm -f $lockfile

                rm -f /var/run/${prog}.pid

        fi

}

restart() {

        stop

        start

}

# XXX: can conntrackd reload?

reload() {

        echo -n $"Reloading $prog configuration: "

        killproc -HUP $prog

        retval=$?

        echo

        return $retval

}

force_reload() {

        restart

}

rh_status() {

        # run checks to determine if the service is running or use generic status

        status $prog

}

rh_status_q() {

        rh_status >/dev/null 2>&1

}

# See how we were called.

case "$1" in

        start)

                rh_status_q && exit 0

                $1

                ;;

        stop)

                rh_status_q || exit 0

                $1

                ;;

        restart)

                $1

                ;;

        reload)

                rh_status_q || exit 7

                $1

                ;;

        force-reload)

                force_reload

                ;;

        status)

                rh_status

                ;;

        condrestart|try-restart)

                rh_status_q || exit 0

                restart

                ;;

        *)

                echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"

                exit 2

                ;;

esac

exit $?