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Diffstat (limited to 'contrib/check_arping.pl')
-rw-r--r-- | contrib/check_arping.pl | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/contrib/check_arping.pl b/contrib/check_arping.pl new file mode 100644 index 00000000..b78ec68f --- /dev/null +++ b/contrib/check_arping.pl @@ -0,0 +1,120 @@ +#! /usr/bin/perl -w +# +# check_arping.pl - Nagios plugin to check host status via ARP ping +# +# usage: +# check_arping -H hostname -I interface -T timeout +# +# +# Copyright (C) 2003 Kenny Root +# +# 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: kenny@the-b.org, nagiosplug-help@lists.sf.net + +use POSIX; +use strict; +use lib "/usr/lib/nagios/plugins" ; +use utils qw($TIMEOUT %ERRORS &print_revision &support); + +use Net::Arping; +use Getopt::Long; + +my $PROGNAME = "check_arping"; + +my($status, $state, $answer); +my($opt_V, $opt_h, $opt_t, $opt_I, $opt_H); + + +#Option checking +$status = GetOptions( + "V|version" => \$opt_V, + "help" => \$opt_h, + "I|interface=s" => \$opt_I, + "H|host=s" => \$opt_H, + "t|timeout=i" => \$opt_t); + +if ($status == 0) +{ + print_help() ; + exit $ERRORS{'OK'}; +} + + +if ($opt_V) { + print_revision($PROGNAME,'$Revision$ '); + exit $ERRORS{'OK'}; +} + +if ($opt_h) { + print_help(); + exit $ERRORS{'OK'}; +} + +if ($opt_t) { + if ($opt_t ne int($opt_t)) { + print "Timeout not in seconds!\n"; + print_help(); + exit $ERRORS{'OK'}; + } + $opt_t = int($opt_t); +} else { + $opt_t = 3; +} + +if (! utils::is_hostname($opt_H)){ + usage(); + exit $ERRORS{"UNKNOWN"}; +} + +my $ping = Net::Arping->new(); + +my $reply = $ping->arping(Host => $opt_H, Interface => $opt_I, Timeout => $opt_t); + +if ($reply eq "0") { + $state = "CRITICAL"; + print "$state: no reply from $opt_H on interface $opt_I in $opt_t seconds.\n"; + exit $ERRORS{$state}; +} else { + $state = "OK"; + $answer = "replied with MAC address $reply"; +} + +print "ARPING $state - $answer\n"; +exit $ERRORS{$state}; + + +sub usage { + print "\nMissing arguments!\n"; + print "\n"; + print "check_arping -I <interface> -H <host IP> [-t <timeout>]\n"; + print "\n\n"; + support(); + exit $ERRORS{"UNKNOWN"}; +} + +sub print_help { + print "check_arping pings hosts that normally wouldn't allow\n"; + print "ICMP packets but are still on the local network.\n"; + print "\nUsage:\n"; + print " -H (--host) IP to query - (required)\n"; + print " -I (--interface) Interface to use.\n"; + print " -t (--timeout) Timeout in seconds.\n"; + print " -V (--version) Plugin version\n"; + print " -h (--help) usage help \n\n"; + print_revision($PROGNAME, '$Revision$'); + +} |