#!/bin/sh
# Author: Christoph Galuschka <christoph.galuschka@chello.at>

t_Log "Running $0 - running traceroute to default gw"

# Finding Default Gateway

IP=$(ip route list default | grep 'default via ')
regex='.*via\ (.*)\ dev.*'
if [[ $IP =~ $regex ]]
then
  t_Log "Found default gw  (${BASH_REMATCH[1]}) - now testing"
  COUNT=$( traceroute -n ${BASH_REMATCH[1]} | grep -c ${BASH_REMATCH[1]} )
  if [ $COUNT = 2 ]
  then
    t_Log "traceroute reached default-gw"
    ret_val=0
  else
    t_Log "traceroute didn't reach ${BASH_REMATCH[1]}"
    ret_val=1
  fi
else
  t_Log "default gw seems to be unavailable - skipping"
  ret_val=0
fi

t_CheckExitStatus $ret_val