#!/bin/sh
# Begin $network-devices/services/dhcpcd

# Based upon lfs-bootscripts-1.12 $network_devices/if{down,up}
# Rewritten by Nathan Coulson <nathan@linuxfromscratch.org>
# Adapted for dhcpcd by DJ Lucas <dj@lucasit.com>
# Made compatible for ipfire by Michael Tremer mitch@ipfire.org

. /etc/sysconfig/rc
. $rc_functions

PIDFILE="/var/run/dhcpcd-$1.pid"
LEASEINFO="/var/ipfire/dhcpc/dhcpcd-$1.info"

case "$2" in
	up)
		boot_mesg -n "Starting dhcpcd on the $1 interface..."		
		echo -n "${1}" > /var/ipfire/red/iface

		# Test to see if there is a stale pid file
		if [ -f "$PIDFILE" ]
		then
			ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
			if [ $? != 0 ]
			then
				rm -f /var/run/dhcpcd-$1.pid > /dev/null
			else
				boot_mesg "dhcpcd already running!" ${WARNING}
				echo_warning
				exit 2
			fi
		fi
		if [ "$NAME" == "red" ]; then
			/sbin/iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i ${1} -j ACCEPT
			/sbin/iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i ${1} -j ACCEPT
		fi
		
		DHCP_START="-N -R -L /var/ipfire/dhcpc "
		
		if [ -n "${DHCP_HOSTNAME}" ]; then
			DHCP_START+="-h ${DHCP_HOSTNAME} "
	  fi
		/sbin/dhcpcd $1 $DHCP_START >/dev/null 2>&1
		# Save the return value
		RET="$?"
		# Print the assigned settings if requested
		if [ "$RET" = "0" -a "$PRINTIP" = "yes" ]; then
			. /var/ipfire/dhcpc/dhcpcd-$1.info
			logger -t ipfire "DHCPCD Success"
			if [ "$PRINTALL" = "yes" ]; then
				echo ""
				echo_ok
				boot_mesg "           DHCP Assigned Settings for ${1}:"
				boot_mesg_flush
				boot_mesg "           IP Address:      $IPADDR"
				boot_mesg_flush
				if [ -n "${DHCP_HOSTNAME}" ]; then
					boot_mesg "           Hostname:        $DHCP_HOSTNAME"
					boot_mesg_flush
				fi
				boot_mesg "           Subnet Mask:     $NETMASK"
				boot_mesg_flush
				boot_mesg "           Default Gateway: $GATEWAY"
				boot_mesg_flush
				boot_mesg "           DNS Server:      $DNS"
				boot_mesg_flush
			else
				boot_mesg " IP Addresss: ""$IPADDR"
				echo_ok
			fi
			if [ "$DNS1" = "" ]; then
				echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 1` > /var/ipfire/red/dns1
				echo -n `/etc/rc.d/helper/getdnsfromdhcpc.pl 2` > /var/ipfire/red/dns2
			else 
				echo "$DNS1" > /var/ipfire/red/dns1
				echo "$DNS2" > /var/ipfire/red/dns2
			fi
			. /var/ipfire/dhcpc/dhcpcd-${1}.info
			echo "$IPADDR"  > /var/ipfire/red/local-ipaddress
			echo "$GATEWAY" > /var/ipfire/red/remote-ipaddress
		else
			echo ""
			logger -t ipfire "DHCPCD Fail"
			$(exit "$RET")
			evaluate_retval
		fi
	;;

	down)
		boot_mesg -n "Stopping dhcpcd on the $1 interface..."
		# Do nothing with the client daemon if we have an infinate 
		# lease time as the client exits when started in this case,
		# just echo OK.
		DHCP_STOP="-k"
		if [ -e $LEASEINFO ]
		then
			. $LEASEINFO

			if [ "$LEASETIME" = "4294967295" ]
			then
				# do nothing, just echo ok
				echo ""
				echo_ok
			else
			if [ -n "$DHCP_STOP" ]
			then
				/sbin/dhcpcd $1 $DHCP_STOP &> /dev/null
				RET="$?"
				if [ "$RET" -eq 0 ]; then
					echo ""
					echo_ok
				elif [ "$RET" -eq 1 ]; then
					boot_mesg "dhcpcd not running!" ${WARNING}
					echo_warning
				else
					echo ""
					echo_failure
				fi
			else
				echo ""
				killproc dhcpcd
			fi
		    fi
		else
			boot_mesg -n "LEASEINFO Test failed! - " ${WARNING}
			boot_mesg "dhcpcd is not running!" ${WARNING}
			echo_warning
			exit 1
		fi
	;;

	*)
		echo "Usage: $0 [interface] {up|down}"
		exit 1
	;;
esac

# End $network_devices/services/dhcpcd