#!/bin/sh
# Begin $rc_base/init.d/dhcp

# Based on sysklogd script from LFS-3.1 and earlier.
# Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org
# Modified for IPFire by Michael Tremer - mitch@ipfire.org

. /etc/sysconfig/rc
. $rc_functions
eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)

case "$1" in
	start)
		iptables -F DHCPBLUEINPUT
		if [ -e /var/ipfire/dhcp/enable_green ]; then
			devices="${GREEN_DEV}"
		fi
		if [ -e /var/ipfire/dhcp/enable_blue ]; then
			devices+=" ${BLUE_DEV}"
			
			iptables -A DHCPBLUEINPUT -p tcp --source-port 68 --destination-port 67 -i ${BLUE_DEV} -j ACCEPT > /dev/null 2>&1
			iptables -A DHCPBLUEINPUT -p udp --source-port 68 --destination-port 67 -i ${BLUE_DEV} -j ACCEPT > /dev/null 2>&1
		fi		
		
		boot_mesg "Starting DHCP Server..."
		loadproc /usr/sbin/dhcpd -q ${devices}
		
		(sleep 5 && chmod 644 /var/run/dhcpd.pid) & # Fix because silly dhcpd creates its pid with mode 640
		;;

	stop)
		boot_mesg "Stopping DHCP Server..."
		killproc -p /var/run/dhcpd.pid /usr/sbin/dhcpd
		if [ "$(ps -A | grep " dhcpd")" != "" ] ; then
		    # if fail use the hard way ...
		    boot_mesg "Killing DHCP Server..."
		    killall -w -s KILL /usr/sbin/dhcpd > /dev/null 2>&1
		    rm -f /var/run/dhcpd.pid > /dev/null 2>&1
		    echo_ok;
		    exit 0
		fi
		;;

	reload)
		boot_mesg "Reloading DHCP Server..."
		reloadproc /usr/sbin/dhcpd
		;;

	restart)
		$0 stop
		sleep 1
		$0 start
		;;

	status)
		statusproc /usr/sbin/dhcpd
		;;

	*)
		echo "Usage: $0 {start|stop|reload|restart|status}"
		exit 1
		;;
esac

# End $rc_base/init.d/dhcp