1 files changed, 178 insertions, 0 deletions

diff --git a/contrib/check_ifstatus.pl b/contrib/check_ifstatus.pl
new file mode 100644
index 0000000..a7ab39e
--- /dev/null
+++ b/contrib/check_ifstatus.pl
@@ -0,0 +1,178 @@
+#!/usr/bin/perl -w
+#
+# check_ifstatus.pl - nagios plugin 
+# 
+#
+# Copyright (C) 2000 Christoph Kron
+#
+# 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
+#
+# 11.01.2000 Version 1.0
+
+use strict;
+
+use Net::SNMP;
+use Getopt::Long;
+&Getopt::Long::config('auto_abbrev');
+
+
+my $status;
+my $TIMEOUT = 1500;
+
+my %ERRORS = ('UNKNOWN' , '-1',
+              'OK' , '0',
+              'WARNING', '1',
+              'CRITICAL', '2');
+
+my %ifOperStatus =      ('1','up',
+                         '2','down',
+                         '3','testing',
+                         '4','unknown',
+                         '5','dormant',
+                         '6','notPresent');
+
+my $state = "UNKNOWN";
+my $answer = "";
+my $snmpkey;
+my $snmpoid;
+my $key;
+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 $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;
+
+sub usage {
+  printf "\nMissing arguments!\n";
+  printf "\n";
+  printf "Perl Check IfStatus plugin for Nagios\n";
+  printf "monitors operational status of each interface\n";
+  printf "usage: \n";
+  printf "check_ifstatus.pl -c <READCOMMUNITY> -p <PORT> <HOSTNAME>\n";
+  printf "Copyright (C) 2000 Christoph Kron\n";
+  printf "check_ifstatus.pl comes with ABSOLUTELY NO WARRANTY\n";
+  printf "This programm is licensed under the terms of the ";
+  printf "GNU General Public License\n(check source code for details)\n";
+  printf "\n\n";
+  exit $ERRORS{"UNKNOWN"};
+}
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+     print ("ERROR: No snmp response from $hostname (alarm)\n");
+     exit $ERRORS{"UNKNOWN"};
+};
+alarm($TIMEOUT);
+
+
+$status = GetOptions("community=s",\$community,
+                     "port=i",\$port);
+if ($status == 0)
+{
+        &usage;
+}
+  
+   #shift;
+   $hostname  = shift || &usage;
+
+
+
+   push(@snmpoids,$snmpIfOperStatus);
+   push(@snmpoids,$snmpLocIfDescr);
+   push(@snmpoids,$snmpIfAdminStatus);
+   push(@snmpoids,$snmpIfDescr);
+
+foreach $snmpoid (@snmpoids) {
+
+   ($session, $error) = Net::SNMP->session(
+      -hostname  => $hostname,
+      -community => $community,
+      -port      => $port
+   );
+
+   if (!defined($session)) {
+      $state='UNKNOWN';
+      $answer=$error;
+      print ("$state: $answer");
+      exit $ERRORS{$state};
+   }
+
+   if (!defined($response = $session->get_table($snmpoid))) {
+      $answer=$session->error;
+      $session->close;
+      $state = 'CRITICAL';
+      print ("$state: $answer,$community,$snmpkey");
+      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}{$snmpLocIfDescr});
+
+         }
+         if ($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};
+