2017-05-19 22:22:40 +02:00
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#!/usr/bin/perl
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#
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# (c)2004 Andreas Wassatsch
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# released under GPLv2
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#
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# based on traceroute.cgi of Ian Cass Knowledge Matters Ltd
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# (c)1999 Ian Cass Knowledge Matters Ltd
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#
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# This script should be put in your Nagios cgi-bin directory
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# (usually /usr/local/nagios/sbin)
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#
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# It will perform a traceroute from your Nagios box to
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# the machine that the check_ping plugin is pinging,
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# output includes links to host status and status map
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# for hosts known to Nagios
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#
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# This software is provided as-is, without any express or implied
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# warranty. In no event will the author be held liable for any mental
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# or physical damages arising from the use of this script.
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#
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# Legal note:
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# Nagios is a registered trademark of Ethan Galstad.
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#
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use strict;
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use File::Basename;
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use POSIX qw(strftime);
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# Global Settings
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#----------------
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$| = 1;
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my($nagios) = "/usr/local/nagios";
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my($urlbase) = "/nagios";
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my($refresh) = 30;
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my($self) = basename($0);
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my($traceroute) = "/usr/sbin/traceroute -m 20 -q 1";
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# Generate HTTP header
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#---------------------
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my($mdate)=`date +"%a, %d %b %Y %H:%M:%S %Z"`;
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print "Cache-Control: no-store\n";
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print "Pragma: no-cache\n";
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print "Last-Modified: $mdate";
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print "Expires: Thu, 01 Jan 1970 00:00:00 GMT\n";
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print "Content-type: text/html\n\n";
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# accept either traceroute/foo or traceroute?foo; default to REMOTE_ADDR
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# if nothing else is specified
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#-----------------------------------------------------------------------
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my($addr) = $ENV{PATH_INFO} || $ENV{QUERY_STRING} || $ENV{REMOTE_ADDR};
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$addr =~ tr/+/ /;
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$addr =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
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$addr =~ s,^addr=,,;
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$addr =~ s/[^A-Za-z0-9\.-]//g; # for security
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# HTML Head with META Refresh info / stylesheet
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#----------------------------------------------
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print "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\n";
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print "<html>\n<head>\n<title>traceroute to host $addr</title>\n";
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print "<meta http-equiv='refresh' content='$refresh;url=$self?$addr'>\n";
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print "<link rel='stylesheet' type='text/css' href='$urlbase/stylesheets/status.css'>\n";
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print "</head>\n<body>\n";
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# Info Box
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#---------
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print "<table class='infoBox' border=1 cellspacing=0 cellpadding=0>";
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print "<tr><td class='infoBox'>";
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print "<div class='infoBoxTitle'>traceroute</div>";
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2017-05-19 23:37:19 +02:00
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print "Generated by $self<br>";
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2017-05-19 22:22:40 +02:00
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print "Last Updated: $mdate<br>";
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print "Updated every $refresh seconds<br>";
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2017-05-19 23:37:19 +02:00
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print "Nagios® - <a href='https://www.nagios.org' target='_new' class='homepageURL'>www.nagios.org</a><br>";
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2017-05-19 22:22:40 +02:00
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print "Logged in as <i>$ENV{'REMOTE_USER'}</i><br>";
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print "</td></tr>";
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print "</table>";
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print "<p><div align=center class='statusTitle'>";
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print "Traceroute to Host $addr</div><p>\n";
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print "<table border=0 class='status'>\n";
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# read in nagios hosts
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#---------------------
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my(@cfg);
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my($entry);
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my($bla);
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my($host);
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my(@hostlist);
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open(HOSTS, "$nagios/etc/hosts.cfg");
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@cfg = grep {!/#/ && /host_name/} <HOSTS>;
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close(HOSTS);
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foreach $entry (@cfg) {
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$entry =~ s/^\s+//;
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($bla, $host) = split(/\s+/,$entry);
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push @hostlist,$host;
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}
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# open traceroute pipe
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#---------------------
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my($i)=0;
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open(TRACEROUTE, "$traceroute $addr |" ) ||
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die "<pre>couldn't open pipe to traceroute! $!</pre>";
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my(@arr);
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my($class);
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my($known_host);
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while (<TRACEROUTE>) {
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chomp;
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s/\&/\&/g;
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s/\</\</g;
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if ($i == 0) {
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# print table header
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#-------------------
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print "<tr>";
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print "<th class='status'>Hop</th>";
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print "<th class='status'>Host</th>";
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print "<th class='status'>IP</th>";
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print "<th class='status'>Round Trip Time</th>";
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print "</tr>\n";
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} else {
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# class for odd/even lines
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#-------------------------
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if ($i/2 == int($i/2)) {
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$class="statusEven";
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} else {
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$class="statusOdd";
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}
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# parse traceroute lines
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#-----------------------
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s/^\s//g;
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(@arr) = split(/\s+/, $_, 4);
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if (grep(/\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/,$arr[1])) {
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$arr[3] = $arr[2] ." ". $arr[3];
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$arr[2] = $arr[1];
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$arr[1] = "-";
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}
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$arr[2] =~ s/\(//;
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$arr[2] =~ s/\)//;
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# check if host is known to nagios
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#---------------------------------
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$known_host = 0;
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foreach $host (@hostlist) {
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if ($host eq $arr[1]) {
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$known_host++;
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}
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}
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# print table row
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#----------------
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print "<tr>";
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print "<td class='$class'>$arr[0]</td>\n"; # hop
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print "<td class='$class'>";
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print "<table width=100%><tr>\n";
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print "<td align=left class='$class'>\n";
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if ($known_host) {
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print "<a href='$urlbase/cgi-bin/extinfo.cgi?type=1&host=$arr[1]'>";
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print "$arr[1]</a></td>\n";
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} else {
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print "$arr[1]</td>\n";
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}
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print "<td width=25 align=right class='$class'>\n";
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if ($known_host) {
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print "<a href=statusmap.cgi?host=$arr[1]>";
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print "<img align=top align=right border=0 width=20 height=20 ";
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print "src='$urlbase/images/status3.gif'></a>\n";
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}
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print "</td></tr></table>\n"; # host
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print "<td class='$class'>$arr[2]</td>\n"; # ip
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print "<td class='$class'>$arr[3]</td>\n"; # rtt
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print "</tr>\n";
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}
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$i++;
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}
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close(TRACEROUTE) || die "couldn't close pipe to traceroute! $!";
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print "</table>\n";
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# footer
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#-------
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print " <p> <p>";
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print "<font size=-2><i>$self by Andreas Wassatsch</i></font>";
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print "</body></html>\n";
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# end
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#----
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exit 0;
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