#!/bin/bash
# Busybox udhcpc dispatcher script. Copyright (C) 2009 by Axel Beckert.
#
# Based on the busybox example scripts and the old udhcp source
# package default.* scripts.

RESOLV_CONF="/etc/resolv.conf"
IP_CONF="/tmp/udhcpc_ip_config"

export PATH=$PATH:/openslx/sbin:/openslx/bin

case $1 in
    bound|renew)

	[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
	[ -n "$subnet" ] && NETMASK="netmask $subnet"

	ip addr add $ip/$(ipcalc -s -p $ip $subnet|sed s/.*=//) dev $interface
	ip route add default via $router

	echo "ip=$ip" > $IP_CONF
        echo "subnet=$subnet" >> $IP_CONF
        echo "broadcast=$broadcast" >> $IP_CONF
	echo "gateway=$router" >> $IP_CONF

	# Update resolver configuration file
	R=""
	[ -n "$domain" ] && R="domain $domain
"
	count=1;
	for i in $dns; do
	    echo "$0: Adding DNS $i"
	    R="${R}nameserver $i
"
	    count=$((count+1));
	done

	if [ -x /sbin/resolvconf ]; then
	    echo -n "$R" | resolvconf -a "${interface}.udhcpc"
	else
	    echo -n "$R" > "$RESOLV_CONF"
	fi
	;;

    deconfig)

	;;

    leasefail)
	echo "$0: Lease failed: $message"
	;;

    nak)
	echo "$0: Received a NAK: $message"
	;;

    *)
	echo "$0: Unknown udhcpc command: $1";
	exit 1;
	;;
esac