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#!/bin/sh
#
# dhcrelay      This shell script takes care of starting and stopping
#               dhcrelay.
#
# chkconfig: - 65 35
# description: \
#	The Internet Software Consortium DHCP Relay Agent, dhcrelay, provides a \
#	means for relaying DHCP and BOOTP requests from a subnet to which no \
#	DHCP server is directly connected to one or more DHCP servers on other \
#	subnets.
#
# processname: dhcrelay
# pidfile: /var/run/dhcrelay.pid

WITHOUT_RC_COMPAT=1

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

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

PIDFILE=/var/run/dhcrelay.pid
LOCKFILE=/var/lock/subsys/dhcrelay

# Source config.
SourceIfNotEmpty /etc/sysconfig/dhcrelay

RETVAL=0

start()
{
	# Check that networking is on and at least one DHCP server to relay to was specified.
	is_yes "$NETWORKING" && [ -n "$SERVERS" ] || return 0
	start_daemon --pidfile "$PIDFILE" --lockfile "$LOCKFILE" --expect-user dhcrelay -- dhcrelay $OPTIONS $SERVERS
	RETVAL=$?
	return $RETVAL
}

stop()
{
	stop_daemon --pidfile "$PIDFILE" --lockfile "$LOCKFILE" --expect-user dhcrelay -- dhcrelay
	RETVAL=$?
	return $RETVAL
}

restart()
{
	stop
	start
}

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	reload|restart)
		restart
		;;
	condstop)
		if [ -e "$LOCKFILE" ]; then
			stop
		fi
		;;
	condreload|condrestart)
		if [ -e "$LOCKFILE" ]; then
			restart
		fi
		;;
	status)
		status --pidfile "$PIDFILE" --expect-user dhcrelay -- dhcrelay
		RETVAL=$?
		;;
	*)
		msg_usage "${0##*/} {start|stop|restart|condstop|condrestart|status}"
		RETVAL=1
esac

exit $RETVAL