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#!/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 $subnet"
[ -n "$mtu" ] && MTU="mtu $mtu"
ifconfig $interface $ip $BROADCAST $NETMASK $MTU
if [ -n "$router" ]; then
echo "$0: Resetting default routes"
while route del default gw 0.0.0.0 dev $interface; do :; done
metric=0
for i in $router; do
if [ "$subnet" = "255.255.255.255" ]; then
ip route add default via $i dev $interface metric $metric onlink
else
ip route add default via $i dev $interface metric $metric
fi
metric=$(($metric + 1))
done
fi
# Update resolver configuration file
R=""
[ -n "$domain" ] && R="domain $domain
"
for i in $dns; do
echo "$0: Adding DNS $i"
R="${R}nameserver $i
"
done
if [ -x resolvconf ]; then
echo -n "$R" | resolvconf -a "${interface}.udhcpc"
else
echo -n "$R" > "$RESOLV_CONF"
fi
;;
deconfig)
if [ -x resolvconf ]; then
resolvconf -d "${interface}.udhcpc"
fi
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
|
