source: MondoRescue/branches/2.2.9/mindi-busybox/examples/udhcp/simple.script@ 2887

#!/bin/sh
# udhcpc script edited by Tim Riker <Tim@Rikers.org>

RESOLV_CONF="/etc/resolv.conf"

[ -n "$1" ] || { echo "Error: should be called from udhcpc"; exit 1; }

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

case "$1" in
    deconfig)
        echo "Setting IP address 0.0.0.0 on $interface"
        ifconfig $interface 0.0.0.0
        ;;

    renew|bound)
        echo "Setting IP address $ip on $interface"
        ifconfig $interface $ip $NETMASK $BROADCAST

        if [ -n "$router" ] ; then
            echo "Deleting routers"
            while route del default gw 0.0.0.0 dev $interface ; do
                :
            done

            metric=0
            for i in $router ; do
                echo "Adding router $i"
                route add default gw $i dev $interface metric $((metric++))
            done
        fi

        echo "Recreating $RESOLV_CONF"
        echo -n > $RESOLV_CONF-$$
        [ -n "$domain" ] && echo "search $domain" >> $RESOLV_CONF-$$
        for i in $dns ; do
            echo " Adding DNS server $i"
            echo "nameserver $i" >> $RESOLV_CONF-$$
        done
        mv $RESOLV_CONF-$$ $RESOLV_CONF
        ;;
esac

exit 0