#!/bin/sh
#
# Check ifoperstatus() without calling the perl routine, this script uses
# snmpwalk to get the info.
#
# $1: Community string ; $2 Target address ; $3 Target interface
#
# by nAAs <nalvarezs@elo.utfsm.cl>

LIBEXEC="/usr/local/libexec/nagios/"
.$LIBEXEC/utils.sh

comm=$(snmpwalk -v1 -c $1 $2 ifOperStatus.$3 | awk -F: '{print $4}' | awk -F\( '{print $2}' | awk -F\) '{print $1}')

if [ $comm -eq 1 ]; then
	echo "OK - Interface $3 is up."
	exit $STATE_OK
	elif [ $comm -eq 0 ]; then
		echo "CRITICAL - Interface $3 is down"
		exit $STATE_CRITICAL
	else
		echo "WARNING - No info is being retrieved"
		exit $STATE_WARNING
fi