#!/bin/sh

[ -z "$address" ] && exit 0             # on 'down' $address will undefined

logger -t white_ip[$$] "interface: " $interface ", address: " $address

if [ "$interface" = "ppp0" ]; then      # check interface name
  _ip=$(echo $address | grep -v "^100\." | grep -v "^10\.") # is address no related to 100.x.y.z or 10.x.y.z subnetwork?

  # re-initialize wan and write to syslog
  if [ -z "$_ip" ]; then
    logger -t white_ip[$$] "Reloading wan due grey IP - $address";
    ndmq -p 'interface PPPoE0 no dyndns profile _WEBADMIN' -P message

    ndmq -p 'interface PPPoE0 no connect via ISP' -P message
    sleep 2
    ndmq -p 'interface PPPoE0 connect via ISP' -P message
  else
    logger -t white_ip[$$] "White IP - $address";
    ndmq -p 'interface PPPoE0 dyndns profile _WEBADMIN' -P message
    #sleep 1
    #ndmq -p 'interface PPPoE0 dyndns update force' -P message
  fi
fi

logger -t white_ip[$$] "Finished"