1 files changed, 250 insertions, 0 deletions

diff --git a/plugins-scripts/check_ifstatus.pl b/plugins-scripts/check_ifstatus.pl
new file mode 100755
index 0000000..f54008f
--- /dev/null
+++ b/plugins-scripts/check_ifstatus.pl
@@ -0,0 +1,250 @@
+#!/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)
+#
+# 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
+#
+# $Id$
+
+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";
+
+
+my $status;
+my %ifOperStatus =      ('1','up',
+                         '2','down',
+                         '3','testing',
+                         '4','unknown',
+                         '5','dormant',
+                         '6','notPresent');
+
+my $state = "UNKNOWN";
+my $answer = "";
+my $snmpkey=0;
+my $snmpoid=0;
+my $key=0;
+my $community = "public";
+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 $hostname;
+my $session;
+my $error;
+my $response;
+my %ifStatus;
+my $ifup =0 ;
+my $ifdown =0;
+my $ifdormant = 0;
+my $ifmessage = "";
+my $snmp_version = 1;
+my $ifXTable;
+my $opt_h ;
+my $opt_V ;
+
+
+
+
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+     print ("ERROR: No snmp response from $hostname (alarm timeout)\n");
+     exit $ERRORS{"UNKNOWN"};
+};
+alarm($TIMEOUT);
+
+
+
+#Option checking
+$status = GetOptions(
+                "V"   => \$opt_V, "version"    => \$opt_V,
+                "h"   => \$opt_h, "help"       => \$opt_h,
+                "v=i" => \$snmp_version, "snmp_version=i"  => \$snmp_version,
+                "C=s" =>\$community,"community=s" => \$community,
+                "p=i" =>\$port, "port=i" => \$port,
+                "H=s" => \$hostname, "hostname=s" => \$hostname,
+                "I"       => \$ifXTable, "ifmib" => \$ifXTable );
+                
+if ($status == 0)
+{
+        print_help() ;
+        exit $ERRORS{'OK'};
+}
+
+
+if ($opt_V) {
+        print_revision($PROGNAME,'$Revision$ ');
+        exit $ERRORS{'OK'};
+}
+
+if ($opt_h) {
+        print_help();
+        exit $ERRORS{'OK'};
+}
+
+if (! utils::is_hostname($hostname)){
+        usage();
+        exit $ERRORS{"UNKNOWN"};
+}
+
+if ( ! $snmp_version ) {
+        $snmp_version =1 ;
+}else{
+        if ( $snmp_version =~ /[12]/ ) {
+                        
+                ($session, $error) = Net::SNMP->session(
+                      -hostname  => $hostname,
+                      -community => $community,
+                      -port      => $port,
+                          -version      => $snmp_version
+                           );
+
+                if (!defined($session)) {
+                      $state='UNKNOWN';
+                      $answer=$error;
+                      print ("$state: $answer");
+                      exit $ERRORS{$state};
+                }
+
+                
+        }elsif ( $snmp_version =~ /3/ ) {
+                $state='UNKNOWN';
+                print ("$state: No support for SNMP v3 yet\n");
+                exit $ERRORS{$state};
+        }else{
+                $state='UNKNOWN';
+                print ("$state: No support for SNMP v$snmp_version yet\n");
+                exit $ERRORS{$state};
+        }
+}
+
+
+
+push(@snmpoids,$snmpIfOperStatus);
+push(@snmpoids,$snmpIfAdminStatus);
+push(@snmpoids,$snmpIfDescr);
+push(@snmpoids,$snmpIfName) if ( defined $ifXTable);
+
+
+
+foreach $snmpoid (@snmpoids) {
+
+   if (!defined($response = $session->get_table($snmpoid))) {
+      $answer=$session->error;
+      $session->close;
+      $state = 'CRITICAL';
+      print ("$state: $answer for $snmpoid  with snmp version $snmp_version\n");
+      exit $ERRORS{$state};
+   }
+
+   foreach $snmpkey (keys %{$response}) {
+      $snmpkey =~ /.*\.(\d+)$/;
+      $key = $1;
+      $ifStatus{$key}{$snmpoid} = $response->{$snmpkey};
+   }
+}
+
+
+$session->close;
+
+foreach $key (keys %ifStatus) {
+
+        # check only if interface is administratively up
+    if ($ifStatus{$key}{$snmpIfAdminStatus} == 1 ) {
+        if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;}
+        if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) {
+             $ifdown++ ;
+             $ifmessage .= sprintf("%s: down -> %s<BR>",
+                                 $ifStatus{$key}{$snmpIfDescr},
+                                                                 $ifStatus{$key}{$snmpIfName});
+
+         }
+         if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;}
+      }
+   }
+   
+
+   if ($ifdown > 0) {
+      $state = 'CRITICAL';
+      $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d<BR>",
+                        $hostname,
+                        $ifup,
+                        $ifdown,
+                        $ifdormant);
+      $answer = $answer . $ifmessage . "\n";
+   }
+   else {
+      $state = 'OK';
+      $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d\n",
+                        $hostname,
+                        $ifup,
+                        $ifdown,
+                        $ifdormant);
+   }
+
+print ("$state: $answer");
+exit $ERRORS{$state};
+
+
+sub usage {
+        printf "\nMissing arguments!\n";
+        printf "\n";
+        printf "check_ifstatus -C <READCOMMUNITY> -p <PORT> -H <HOSTNAME>\n";
+        printf "Copyright (C) 2000 Christoph Kron\n";
+        printf "Updates 5/2002 Subhendu Ghosh\n";
+        printf "\n\n";
+        support();
+        exit $ERRORS{"UNKNOWN"};
+}
+
+sub print_help {
+        printf "check_ifstatus plugin for Nagios monitors operational \n";
+        printf "status of each network interface on the target host\n";
+        printf "\nUsage:\n";
+        printf "   -H (--hostname)   Hostname to query - (required)\n";
+        printf "   -C (--community)  SNMP read community (defaults to public,\n";
+        printf "                     used with SNMP v1 and v2c\n";
+        printf "   -v (--snmp_version)  1 for SNMP v1 (default)\n";
+        printf "                        2 for SNMP v2c\n";
+        printf "                        SNMP v2c will use get_bulk for less overhead\n";
+        printf "   -p (--port)       SNMP port (default 161)\n";
+        printf "   -I (--ifmib)      Agent supports IFMIB ifXTable.  Do not use if\n";
+        printf "                     you don't know what this is.\n";
+        printf "   -V (--version)    Plugin version\n";
+        printf "   -h (--help)       usage help \n\n";
+        print_revision($PROGNAME, '$Revision$');
+        
+}