#!/bin/bash

sysctl="/sbin/sysctl"

if [[ -z "$1" ]]; then
	echo
	echo "Ensure sysctl oid is missing."
	echo "Usage: "
	echo
	echo "$0 <sysctl oid>"
	echo
	exit 3
fi

$sysctl $1 1>/dev/null 2>&1

if [[ $? -gt 0 ]]; then
	echo "SYSCTL OK: $1 missing"
	exit 0
fi

echo "SYSCTL CRITICAL: $1 present"
exit 2