121 lines
2.8 KiB
Perl
121 lines
2.8 KiB
Perl
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#! /usr/bin/perl -w
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#
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# check_arping.pl - Nagios plugin to check host status via ARP ping
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#
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# usage:
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# check_arping -H hostname -I interface -T timeout
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#
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#
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# Copyright (C) 2003 Kenny Root
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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# Report bugs to: kenny@the-b.org, nagiosplug-help@lists.sf.net
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use POSIX;
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use strict;
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use lib "/usr/lib/nagios/plugins" ;
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use utils qw($TIMEOUT %ERRORS &print_revision &support);
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use Net::Arping;
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use Getopt::Long;
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my $PROGNAME = "check_arping";
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my($status, $state, $answer);
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my($opt_V, $opt_h, $opt_t, $opt_I, $opt_H);
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#Option checking
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$status = GetOptions(
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"V|version" => \$opt_V,
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"help" => \$opt_h,
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"I|interface=s" => \$opt_I,
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"H|host=s" => \$opt_H,
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"t|timeout=i" => \$opt_t);
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if ($status == 0)
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{
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print_help() ;
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exit $ERRORS{'OK'};
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}
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if ($opt_V) {
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print_revision($PROGNAME,'$Revision: 1.1 $ ');
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exit $ERRORS{'OK'};
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}
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if ($opt_h) {
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print_help();
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exit $ERRORS{'OK'};
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}
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if ($opt_t) {
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if ($opt_t ne int($opt_t)) {
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print "Timeout not in seconds!\n";
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print_help();
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exit $ERRORS{'OK'};
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}
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$opt_t = int($opt_t);
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} else {
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$opt_t = 3;
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}
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if (! utils::is_hostname($opt_H)){
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usage();
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exit $ERRORS{"UNKNOWN"};
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}
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my $ping = Net::Arping->new();
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my $reply = $ping->arping(Host => $opt_H, Interface => $opt_I, Timeout => $opt_t);
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if ($reply eq "0") {
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$state = "CRITICAL";
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print "$state: no reply from $opt_H on interface $opt_I in $opt_t seconds.\n";
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exit $ERRORS{$state};
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} else {
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$state = "OK";
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$answer = "replied with MAC address $reply";
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}
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print "ARPING $state - $answer\n";
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exit $ERRORS{$state};
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sub usage {
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print "\nMissing arguments!\n";
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print "\n";
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print "check_arping -I <interface> -H <host IP> [-t <timeout>]\n";
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print "\n\n";
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support();
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exit $ERRORS{"UNKNOWN"};
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}
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sub print_help {
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print "check_arping pings hosts that normally wouldn't allow\n";
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print "ICMP packets but are still on the local network.\n";
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print "\nUsage:\n";
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print " -H (--host) IP to query - (required)\n";
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print " -I (--interface) Interface to use.\n";
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print " -t (--timeout) Timeout in seconds.\n";
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print " -V (--version) Plugin version\n";
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print " -h (--help) usage help \n\n";
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print_revision($PROGNAME, '$Revision: 1.1 $');
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}
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