#!/bin/sh

test -z "$1" && echo "Error: should be called from udhcpc" && exit 1

RESOLV_CONF="/etc/resolv.conf"
test -n "$broadcast" && BROADCAST="broadcast $broadcast"
test -n "$subnet" && NETMASK="netmask $subnet"

case "$1" in
deconfig)
  grep -q -v ip= /proc/cmdline
  if test $? -eq 0; then
    /sbin/ifconfig $interface up
  fi
  grep -q -v nfsroot= /proc/cmdline
  if test $? -eq 0; then
    /sbin/ifconfig $interface 0.0.0.0
  fi
  ;;
leasefail|nak)
  ;;
renew|bound)
  /sbin/ifconfig $interface $ip $BROADCAST $NETMASK
  if test -n "$router" ; then
    echo "deleting routers"
    while route del default gw 0.0.0.0 dev $interface ; do
      :
    done
    for i in $router ; do
      route add default gw $i dev $interface
    done
  fi
  echo -n > $RESOLV_CONF
  test -n "$domain" && echo "search $domain" >> $RESOLV_CONF
  for i in $dns ; do
    echo "adding dns $i"
    echo "nameserver $i" >> $RESOLV_CONF
  done
;;
esac
exit 0