#!/bin/sh

ROOT_UID=0      # Only users with $UID 0 have root privileges.
E_NOTROOT=67    # Non-root exit error.

# Run as root, of course.
if [ "$UID" -ne "$ROOT_UID" ]; then
  echo "Must be root to run this script."
  exit $E_NOTROOT
fi

test_ip=192.168.0.100
ping_loss=`ping -c 1 -W 3 $test_ip | grep packet | awk '{print $6}'`

if [ "$ping_loss" == "100%" ]; then
  echo Secure Router is no longer using IP $secure_router
  echo Need to restart ISP and the Secure Router
# /sbin/shutdown -rf now
  exit 0
fi

test_ip=192.168.0.101
ping_loss=`ping -c 1 -W 3 $test_ip | grep packet | awk '{print $6}'`

if [ "$ping_loss" == "0%" ]; then
  echo Secure Router is using wrong IP $secure_router
  echo Need to restart ISP and the Secure Router
# /sbin/shutdown -rf now
  exit 0
fi

test_ip=www.google.com
ping -c 1 -W 3 $test_ip
if [ $? -ne 0 ]; then
  echo $test_ip is not reachable
  echo Need to restart ISP
# /sbin/shutdown -rf now
  exit 0
fi

exit 0