#!/bin/sh
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# Busybox udhcpc dispatcher script. Copyright (C) 2009 by Axel Beckert.
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#
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# Based on the busybox example scripts and the old udhcp source
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# package default.* scripts.
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RESOLV_CONF="/etc/resolv.conf"
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case $1 in
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bound|renew)
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[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
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[ -n "$subnet" ] && NETMASK="netmask $subnet"
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/sbin/ifconfig $interface $ip $BROADCAST $NETMASK
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if [ -n "$router" ]; then
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echo "$0: Resetting default routes"
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while /sbin/route del default gw 0.0.0.0 dev $interface; do :; done
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metric=0
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for i in $router; do
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/sbin/route add default gw $i dev $interface metric $metric
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metric=$(($metric + 1))
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done
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fi
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# Update resolver configuration file
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R=""
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[ -n "$domain" ] && R="domain $domain
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"
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for i in $dns; do
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echo "$0: Adding DNS $i"
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R="${R}nameserver $i
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"
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done
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if [ -x /sbin/resolvconf ]; then
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echo -n "$R" | resolvconf -a "${interface}.udhcpc"
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else
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echo -n "$R" > "$RESOLV_CONF"
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fi
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;;
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deconfig)
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if [ -x /sbin/resolvconf ]; then
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resolvconf -d "${interface}.udhcpc"
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fi
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/sbin/ifconfig $interface 0.0.0.0
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;;
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leasefail)
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echo "$0: Lease failed: $message"
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;;
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nak)
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echo "$0: Received a NAK: $message"
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;;
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*)
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echo "$0: Unknown udhcpc command: $1";
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exit 1;
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;;
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esac
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