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#!/bin/bash
#
# named           This shell script takes care of starting and stopping
#                 named (BIND DNS server).
#
# chkconfig: - 55 45
# description: named (BIND) is a Domain Name Server (DNS) \
# that is used to resolve host names to IP addresses.
# probe: true

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

# Source networking configuration.
[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network

RETVAL=0
prog="named"

# Check that networking is up.
[ "${NETWORKING}" = "no" ] && exit 0

[ -r /etc/sysconfig/named ] && . /etc/sysconfig/named

[ -x /usr/sbin/named ] || exit 0 

[ -r ${ROOTDIR}/etc/named.conf ] || exit 0 


start() {
        # Start daemons.
	if [ -n "`/sbin/pidof named`" ]; then
		echo -n $"$prog: already running"
		return 1
	fi
        echo -n $"Starting $prog: "
	ckcf_options='';
	if [ -n "${ROOTDIR}" -a "x${ROOTDIR}" != "x/" ]; then
		OPTIONS="${OPTIONS} -t ${ROOTDIR}"
		ckcf_options="-t ${ROOTDIR}";
		if [ -s /etc/localtime ]; then
		    cp -fp /etc/localtime ${ROOTDIR}/etc/localtime
		fi;
	fi
        conf_ok=0;
	if [ -x /usr/sbin/named-checkconf ] && /usr/sbin/named-checkconf $ckcf_options; then
           conf_ok=1;
        else
	   RETVAL=$?;
	fi
	if [ $conf_ok -eq 1 ]; then	   
	   daemon /usr/sbin/named -u named ${OPTIONS};
	   RETVAL=$?;
	else
	   named_err=`/usr/sbin/named -g 2>&1 | sed s/\n/\\n/g`;
	   if [ `tty` != "/dev/console" ]; then
	       echo -e "\n$named_err";
	       echo -n  "Error in configuration file /etc/named.conf : ";
	   fi;
           failure $"Error in configuration file /etc/named.conf : $named_err";
           echo
           return $RETVAL;
        fi;
 	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/named 
        echo
	return $RETVAL
}
stop() {
        # Stop daemons.
        echo -n $"Stopping $prog: "
	/usr/sbin/rndc stop >/dev/null 2>&1
	RETVAL=$?
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/named || {
        	killproc named
		RETVAL=$?
		[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/named
		echo
		return $RETVAL 
	}
	success
        echo
	return $RETVAL
}
rhstatus() {
	/usr/sbin/rndc status
	return $?
}	
restart() {
	stop
# wait a couple of seconds for the named to finish closing down
	sleep 2
	start
}	
reload() {
        echo -n $"Reloading $prog: "
	p=`/sbin/pidof -o %PPID named`	
	RETVAL=$?
	if [ "$RETVAL" -eq 0 ]; then 
	    /usr/sbin/rndc reload >/dev/null 2>&1 || /usr/bin/kill -HUP $p;
	    RETVAL=$?
        fi
	[ "$RETVAL" -eq 0 ] && success $"$prog reload" || failure $"$prog reload"
        echo
	return $?
}
probe() {
	# named knows how to reload intelligently; we don't want linuxconf
	# to offer to restart every time
	/usr/sbin/rndc reload >/dev/null 2>&1 || echo start
	return $?
}  

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	status)
		rhstatus
		;;
	restart)
		restart
		;;
	condrestart)
		if [ -e /var/lock/subsys/named ]; then restart; fi
		;;
	reload)
		reload
		;;
	probe)
		probe
		;;
	*)
        	echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|probe}"
		exit 1
esac

exit $?