#!/bin/sh # 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" case $1 in bound|renew) [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast" [ -n "$subnet" ] && NETMASK="netmask $subnet" /sbin/ifconfig $interface $ip $BROADCAST $NETMASK if [ -n "$router" ]; then echo "$0: Resetting default routes" while /sbin/route del default gw 0.0.0.0 dev $interface; do :; done metric=0 for i in $router; do /sbin/route add default gw $i dev $interface metric $metric metric=$(($metric + 1)) done fi # Update resolver configuration file R="" [ -n "$domain" ] && R="domain $domain " for i in $dns; do echo "$0: Adding DNS $i" R="${R}nameserver $i " done if [ ! -x /sbin/resolvconf ]; then echo -n "$R" | resolvconf -a "${interface}.udhcpc" else echo -n "$R" > "$RESOLV_CONF" fi ;; deconfig) if [ -x /sbin/resolvconf ]; then resolvconf -d "${interface}.udhcpc" fi /sbin/ifconfig $interface 0.0.0.0 ;; leasefail) echo "$0: Lease failed: $message" ;; nak) echo "$0: Received a NAK: $message" ;; *) echo "$0: Unknown udhcpc command: $1"; exit 1; ;; esac