#!/bin/bash

#Parametri da cambiare
gateway="10.210.0.252"
dyndns="bellaaa.ath.cx"

#Inizio script
COUNTER=0
while [  $COUNTER -lt 1 ]; do

#Check Ip
ip4=`host $dyndns|awk '{ print $4 }'`

ipstore=`cat /var/log/bellaaa`
rigaroute=`route -n|grep $gateway|wc -l`
date=`/bin/date`

if [ "$ip4" != "$ipstore" ] || [ "$rigaroute" != "1" ]; then
	oldip=`cat /var/log/bellaaa`
	/bin/echo "$ip4" > /var/log/bellaaa
	log="$date: CAMBIO IP, old: $oldip, new: $ip4"
	route del $oldip gw $gateway
	route add $ip4 gw $gateway
else
	log="$date: CICLO..."
fi
#Logga e Dormi
echo $log
echo $log >> /var/log/route.log
sleep 120
#
done