#!/bin/sh
########################################################################
# Begin $network_devices/services/ipv4-static
#
# Description : IPV4 Static Boot Script
#
# Authors     : Nathan Coulson - nathan@linuxfromscratch.org
#               Kevin P. Fleming - kpfleming@linuxfromscratch.org
#               Michael Tremer - mitch@ipfire.org
#
# Version     : 00.00
#
# Notes       :
#
########################################################################

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

if [ -z "${BROADCAST}" ]; then
	boot_mesg "BROADCAST variable missing from input, cannot continue." ${FAILURE}
	echo_failure
	exit 1
fi

if [ -n "${ADDRESS}" -a -n "${NETMASK}" ]; then
	PREFIX=`whatmask ${NETMASK} | grep -e ^CIDR | awk -F': ' '{ print $2 }' | cut -c 2-`
	args="${args} ${ADDRESS}/${PREFIX} broadcast ${BROADCAST}"
else
	boot_mesg "ADDRESS and/or NETMASK variable missing from input, cannot continue." ${FAILURE}
	echo_failure
	exit 1
fi

case "${2}" in
	up)
		boot_mesg "Adding IPv4 address ${ADDRESS} to the ${1} interface..."
		ip addr add ${args} dev ${1}
		evaluate_retval
	
		if [ -n "${GATEWAY}" ]; then
			if ip route | grep -q default; then
				boot_mesg "Gateway already setup; skipping." ${WARNING}
				echo_warning
			else
				boot_mesg "Setting up default gateway..."
				ip route add default via ${GATEWAY} dev ${1}
				evaluate_retval
			 fi
		fi
	;;

	down)
		if [ -n "${GATEWAY}" ]; then
			boot_mesg "Removing default gateway..."
			ip route del default
			evaluate_retval
		fi
	
		boot_mesg "Removing IPv4 address ${ADDRESS} from the ${1} interface..."
		ip addr del ${args} dev ${1}
		evaluate_retval
	;;
	
	*)
		echo "Usage: ${0} [interface] {up|down}"
		exit 1
	;;
esac

# End $network_devices/services/ipv4-static