#!/bin/sh
# udhcpd script for ethernet aliases revised:  11/10/05 by brent@mbari.org

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

leased=/var/run/leased-$interface

case "$1" in
  deconfig|leasefail)
    if [ -f $leased ]; then
      unset DEVICE IPADDR NETMASK BROADCAST NETWORK
      . /etc/sysconfig/ifcfg-$interface || IPADDR=0.0.0.0
      unset mask cast
      rm $leased
    fi
  ;;

  renew|bound)
    newLeaseSpec="$ip M:$subnet B:$broadcast G:$router"
    leaseSpec=
    [ -f $leased ] && { read leaseSpec; } < $leased
    [ "$newLeaseSpec" = "$leaseSpec" ] || { 
      echo "$newLeaseSpec" >$leased
    }    

esac