| @@ -0,0 +1,187 @@
+#!/usr/bin/perl
+#
+# check_ospf - nagios plugin
+#
+# Copyright (C) 2006 Larry Low
+#
+# 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: llow0@yahoo.com
+#
+# Primary MIB reference - OSPF-MIB
+#
+use strict;
+use warnings;
+use lib "/usr/lib/nagios/plugins" ;
+use utils qw($TIMEOUT %ERRORS &print_revision &support);
+use vars qw($PROGNAME);
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+ print ("ERROR: Plugin took too long to complete (alarm)\n");
+ exit $ERRORS{"UNKNOWN"};
+};
+alarm($TIMEOUT);
+
+$PROGNAME = "check_ospf.pl";
+sub print_help ();
+sub print_usage ();
+use POSIX qw(floor);
+sub seconds_to_string($);
+
+my ($opt_h,$opt_V);
+my $community = "public";
+my $snmp_version = 2;
+my ($hostname,$peer);;
+
+use Getopt::Long;
+&Getopt::Long::config('bundling');
+GetOptions(
+ "V" => \$opt_V, "version" => \$opt_V,
+ "h" => \$opt_h, "help" => \$opt_h,
+ "C=s" => \$community, "community=s" => \$community,
+ "H=s" => \$hostname, "hostname=s" => \$hostname,
+ "p=s" => \$peer, "peer=s" => \$peer,
+ "v=i" => \$snmp_version,"snmp_version=i" => \$snmp_version
+);
+# -h & --help print help
+if ($opt_h) { print_help(); exit $ERRORS{'OK'}; }
+# -V & --version print version
+if ($opt_V) { print_revision($PROGNAME,'$Revision: 0.1 $ '); exit $ERRORS{'OK'}; }
+# Invalid hostname print usage
+if (!utils::is_hostname($hostname)) { print_usage(); exit $ERRORS{'UNKNOWN'}; }
+# No BGP peer specified, print usage
+if (!defined($peer)) { print_usage(); exit $ERRORS{'UNKNOWN'}; }
+
+# Setup SNMP object
+use Net::SNMP qw(INTEGER OCTET_STRING IPADDRESS OBJECT_IDENTIFIER NULL);
+my ($snmp, $snmperror);
+if ($snmp_version == 2) {
+ ($snmp, $snmperror) = Net::SNMP->session(
+ -hostname => $hostname,
+ -version => 'snmpv2c',
+ -community => $community
+ );
+} elsif ($snmp_version == 3) {
+ my ($v3_username,$v3_password,$v3_protocol,$v3_priv_passphrase,$v3_priv_protocol) = split(":",$community);
+ my @auth = ();
+ if (defined($v3_password)) { push(@auth,($v3_password =~ /^0x/) ? 'authkey' : 'authpassword',$v3_password); }
+ if (defined($v3_protocol)) { push(@auth,'authprotocol',$v3_protocol); }
+ if (defined($v3_priv_passphrase)) { push(@auth,($v3_priv_passphrase =~ /^0x/) ? 'privkey' : 'privpassword',$v3_priv_passphrase); }
+ if (defined($v3_priv_protocol)) { push(@auth,'privprotocol',$v3_priv_protocol); }
+
+ ($snmp, $snmperror) = Net::SNMP->session(
+ -hostname => $hostname,
+ -version => 'snmpv3',
+ -username => $v3_username,
+ @auth
+ );
+} else {
+ ($snmp, $snmperror) = Net::SNMP->session(
+ -hostname => $hostname,
+ -version => 'snmpv1',
+ -community => $community
+ );
+}
+
+if (!defined($snmp)) {
+ print ("UNKNOWN: SNMP error: $snmperror\n");
+ exit $ERRORS{'UNKNOWN'};
+}
+
+my $state = 'UNKNOWN';
+my $output = "$peer status retrieval failed.";
+# Begin plugin check code
+{
+ my $ospfNbrRtrId = "1.3.6.1.2.1.14.10.1.3";
+ my $ospfNbrState = "1.3.6.1.2.1.14.10.1.6";
+
+ my %ospfNbrStates = (
+ 1 => 'down(1)',
+ 2 => 'attempt(2)',
+ 3 => 'init(3)',
+ 4 => 'twoWay(4)',
+ 5 => 'exchangeStart(5)',
+ 6 => 'exchange(6)',
+ 7 => 'loading(7)',
+ 8 => 'full(8)'
+ );
+
+ my @snmpoids;
+ push (@snmpoids,"$ospfNbrRtrId.$peer.0");
+ push (@snmpoids,"$ospfNbrState.$peer.0");
+ my $result = $snmp->get_request(
+ -varbindlist => \@snmpoids
+ );
+ if (!defined($result)) {
+ my $answer = $snmp->error;
+ $snmp->close;
+ print ("UNKNOWN: SNMP error: $answer\n");
+ exit $ERRORS{'UNKNOWN'};
+ }
+
+ $ospfNbrRtrId = $result->{"$ospfNbrRtrId.$peer.0"};
+ $ospfNbrState = $result->{"$ospfNbrState.$peer.0"};
+ if ($ospfNbrRtrId eq "noSuchInstance") {
+ $output = "$peer is not in neighbor table.";
+ $state = 'CRITICAL';
+ } else {
+ $output = "$peer (Router ID $ospfNbrRtrId) state is ".$ospfNbrStates{$ospfNbrState};
+
+ if (($ospfNbrState == 4) || ($ospfNbrState == 8)) {
+ $state = 'OK';
+ } else {
+ $state = 'CRITICAL';
+ }
+ }
+}
+print "$state - $output\n";
+exit $ERRORS{$state};
+
+sub print_help() {
+ print_revision($PROGNAME,'$Revision: 0.1 $ ');
+ print "Copyright (c) 2006 Larry Low\n";
+ print "This program is licensed under the terms of the\n";
+ print "GNU General Public License\n(check source code for details)\n";
+ print "\n";
+ printf "Check OSPF peer status via SNMP.\n";
+ print "\n";
+ print_usage();
+ print "\n";
+ print " -H (--hostname) Hostname to query - (required)\n";
+ print " -C (--community) SNMP read community or v3 auth (defaults to public)\n";
+ print " (v3 specified as username:authpassword:... )\n";
+ print " username = SNMPv3 security name\n";
+ print " authpassword = SNMPv3 authentication pass phrase (or hexidecimal key)\n";
+ print " authprotocol = SNMPv3 authentication protocol (md5 (default) or sha)\n";
+ print " privpassword = SNMPv3 privacy pass phrase (or hexidecmal key)\n";
+ print " privprotocol = SNMPv3 privacy protocol (des (default) or aes)\n";
+ print " -v (--snmp_version) 1 for SNMP v1\n";
+ print " 2 for SNMP v2c (default)\n";
+ print " 3 for SNMP v3\n";
+ print " -p {--peer} IP of peer\n";
+ print " -V (--version) Plugin version\n";
+ print " -h (--help) usage help\n";
+ print "\n";
+ support();
+}
+
+sub print_usage() {
+ print "Usage: \n";
+ print " $PROGNAME -H <HOSTNAME> [-C <community>] -p <peer>\n";
+ print " $PROGNAME [-h | --help]\n";
+ print " $PROGNAME [-V | --version]\n";
+}
+
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