#!/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