#!/usr/local/bin/perl -w
#
# check_ifstatus.pl - nagios plugin 
# 
#
# Copyright (C) 2000 Christoph Kron
# Modified 5/2002 to conform to updated Nagios Plugin Guidelines (S. Ghosh)
#  Added -x option (4/2003)
#  Added -u option (4/2003)
#  Added -M option (10/2003)
#  Added SNMPv3 support (10/2003)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
#
# Report bugs to: ck@zet.net, nagiosplug-help@lists.sf.net
# 
# 11.01.2000 Version 1.0
#
# $Id: check_ifstatus.pl 884 2004-08-18 19:51:35Z tonvoon $

use POSIX;
use strict;
use lib utils.pm ;
use utils qw($TIMEOUT %ERRORS &print_revision &support);

use Net::SNMP;
use Getopt::Long;
Getopt::Long::Configure('bundling');

my $PROGNAME = "check_ifstatus";

sub print_help ();
sub usage ();
sub process_arguments ();


my $status;
my %ifOperStatus =	('1','up',
			 '2','down',
			 '3','testing',
			 '4','unknown',
			 '5','dormant',
			 '6','notPresent',
			 '7','lowerLayerDown');  # down due to the state of lower layer interface(s));

my $timeout ;
my $state = "UNKNOWN";
my $answer = "";
my $snmpkey=0;
my $snmpoid=0;
my $key=0;
my $community = "public";
my $maxmsgsize = 1472 ; # Net::SNMP default is 1472
my ($seclevel, $authproto, $secname, $authpass, $privpass, $auth, $priv, $context);
my $port = 161;
my @snmpoids;
my $snmpIfAdminStatus = '1.3.6.1.2.1.2.2.1.7';
my $snmpIfDescr = '1.3.6.1.2.1.2.2.1.2';
my $snmpIfOperStatus = '1.3.6.1.2.1.2.2.1.8';
my $snmpIfName = '1.3.6.1.2.1.31.1.1.1.1';
my $snmpIfAlias = '1.3.6.1.2.1.31.1.1.1.18';
my $snmpLocIfDescr = '1.3.6.1.4.1.9.2.2.1.1.28';
my $snmpIfType = '1.3.6.1.2.1.2.2.1.3';
my $hostname;
my $session;
my $error;
my $response;
my %ifStatus;
my $ifup =0 ;
my $ifdown =0;
my $ifdormant = 0;
my $ifexclude = 0 ;
my $ifunused = 0;
my $ifmessage = "";
my $snmp_version = 1;
my $ifXTable;
my $opt_h ;
my $opt_V ;
my $opt_u;
my $opt_x ;
my %excluded ;
my @unused_ports ;