dhcp/dhcpd.init

#!/bin/sh
#
# dhcpd         This shell script takes care of starting and stopping
#               dhcpd.
#
# chkconfig: - 65 35
# description: dhcpd provide access to Dynamic Host Control Protocol.

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

# Source networking configuration.
. /etc/sysconfig/network
. /etc/sysconfig/dhcpd

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

[ -f /usr/sbin/dhcpd ] || exit 0

cfOption()
{ let i=0; 
  for a in $*; 
  do ((++i)); 
     if [ $a = -cf ]; then 
	 ((++i)); 
	 eval 'echo $'$i;
     elif [[ $a = -cf* ]]; then 
	 echo ${a#-cf}; 
     fi; 
  done; 
}

CF=`cfOption $DHCPDARGS`
if [ -z "$CF" ]; then
   CF='/etc/dhcpd.conf';
fi

[ -f "$CF" ] || exit 0
if [ ! -f /var/lib/dhcpd/dhcpd.leases ] ; then
   mkdir -p /var/lib/dhcpd
   touch /var/lib/dhcpd/dhcpd.leases
   [ -x /sbin/restorecon ] && [ -d /selinux ] && /sbin/restorecon /var/lib/dhcp/dhcpd.leases >/dev/null 2>&1
fi

RETVAL=0
prog="dhcpd"

configtest()
{        
	/usr/sbin/dhcpd -q -t -cf $CF
	return $?
}

start() {
	# Start daemons.
	echo -n $"Starting $prog: "
	daemon /usr/sbin/dhcpd ${DHCPDARGS} 2>/dev/null
	RETVAL=$?
	echo
	if [ $RETVAL -eq 0 ]; then 
	    touch /var/lock/subsys/dhcpd
	    if [ -x /usr/bin/logger ]; then
		/usr/bin/logger -t dhcpd 'dhcpd startup succeeded'
	    fi;
	else
	    if [ -x /usr/bin/logger ]; then
		/usr/bin/logger -t dhcpd 'dhcpd startup failed'
	    fi;
        fi
	return $RETVAL
}

stop() {
	# Stop daemons.
	echo -n $"Shutting down $prog: "
	killproc dhcpd
	RETVAL=$?
	echo
	if [ $RETVAL -eq 0 ]; then
           rm -f /var/lock/subsys/dhcpd
	   if [ -x /usr/bin/logger ]; then
		/usr/bin/logger -t dhcpd 'dhcpd shutdown succeeded'
	   fi;
	else
	   if [ -x /usr/bin/logger ]; then
		/usr/bin/logger -t dhcpd 'dhcpd shutdown failed'
	   fi;
	fi
	return $RETVAL
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart|reload)
	configtest || exit $?
	stop
	start
	RETVAL=$?
	;;
  condrestart)
	if [ -f /var/lock/subsys/dhcpd ]; then
	    stop
	    start
	    RETVAL=$?
	fi
	;;
  configtest|check|testconfig|test)
	configtest
	RETVAL=$?
	;;
  status)
	status dhcpd
	RETVAL=$?
	;;
  *)
	echo $"Usage: $0 {start|stop|restart|condrestart|configtest|status}"
	exit 1
esac

exit $RETVAL