mirror of
https://github.com/librenms/librenms.git
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06ed902f69
git-svn-id: http://www.observium.org/svn/observer/trunk@16 61d68cd4-352d-0410-923a-c4978735b2b8
93 lines
3.6 KiB
PHP
Executable File
93 lines
3.6 KiB
PHP
Executable File
#!/usr/bin/php
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<?
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include("config.php");
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include("includes/functions.php");
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include("includes/cdp.php");
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$device_query = mysql_query("SELECT * FROM `devices` WHERE `status` = '1' AND `os` = 'IOS' ORDER BY `id` DESC");
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while ($device = mysql_fetch_array($device_query)) {
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$hostname = $device['hostname'];
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$community = $device['community'];
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echo("Discovering $hostname \n");
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$id = $device['id'];
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$host = $id;
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echo("Detecting CDP neighbours on $device[1]...\n");
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$snmp = new snmpCDP($hostname, $community);
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$ports = $snmp->getports();
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$cdp = $snmp->explore_cdp($ports);
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unset($cdp_links);
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foreach (array_keys($cdp) as $key) {
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$port = $ports[$key];
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$link = $cdp[$key];
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$cdp_links .= $hostname . "," . $port['desc'] . "," . $link['host'] . "," . $link['port'] . "\n";
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}
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$cdp_links = trim($cdp_links);
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foreach ( explode("\n" ,$cdp_links) as $link ) {
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if ($link == "") { break; }
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list($src_host,$src_if, $dst_host, $dst_if) = explode(",", $link);
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$dst_host = strtolower($dst_host);
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$dst_if = strtolower($dst_if);
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$src_host = strtolower($src_host);
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$src_if = strtolower($src_if);
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if ( isDomainResolves($dst_host . "." . $mydomain) ) {
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$dst_host = $dst_host . "." . $mydomain;
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}
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$ip = gethostbyname($dst_host);
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if ( match_network($nets, $ip) ) {
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if ( mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '$dst_host'"), 0) == '0' ) {
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createHost ($dst_host);
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} else {
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#echo("Already got host $dst_host\n");
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}
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} else { echo("Bad DNS for $dst_host\n"); }
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if ( mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '$dst_host'"), 0) == '1' &&
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mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `hostname` = '$src_host'"), 0) == '1' &&
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mysql_result(mysql_query("SELECT COUNT(*) FROM `interfaces` AS I, `devices` AS D WHERE `if` = '$dst_if' AND hostname = '$dst_host' AND D.id = I.host"), 0) == '1' &&
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mysql_result(mysql_query("SELECT COUNT(*) FROM `interfaces` AS I, `devices` AS D WHERE `if` = '$src_if' AND hostname = '$src_host' AND D.id = I.host"), 0) == '1')
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{
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$dst_if_id = mysql_result(mysql_query("SELECT I.id FROM `interfaces` AS I, `devices` AS D WHERE `if` = '$dst_if' AND hostname = '$dst_host' AND D.id = I.host"), 0);
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$src_if_id = mysql_result(mysql_query("SELECT I.id FROM `interfaces` AS I, `devices` AS D WHERE `if` = '$src_if' AND hostname = '$src_host' AND D.id = I.host"), 0);
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$linkalive[] = $src_if_id . "," . $dst_if_id;
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if ( mysql_result(mysql_query("SELECT COUNT(*) FROM `links` WHERE `dst_if` = '$dst_if_id' AND `src_if` = '$src_if_id'"),0) == '0')
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{
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$sql = "INSERT INTO `links` (`src_if`, `dst_if`, `cdp`) VALUES ('$src_if_id', '$dst_if_id', '1')";
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mysql_query($sql);
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echo("Creating Link : $src_host $src_if -> $dst_host $dst_if\n");
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} else {
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#echo("Link already exists : $src_host $src_if -> $dst_host $dst_if\n ");
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}
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}
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}
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}
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echo(count($linkalive) . " Entries\n");
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$query = mysql_query("SELECT * FROM `links`");
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while($entry = mysql_fetch_array($query)) {
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$i = 0;
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unset($alive);
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while ($i < count($linkalive) && !$alive) {
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list($src_if_id,$dst_if_id) = explode(",", $linkalive[$i]);
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$thislink = $entry['src_if'] . "," . $entry['dst_if'];
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if ($thislink == $linkalive[$i]) {
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$alive = "yes";
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}
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$i++;
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}
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if (!$alive) {
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mysql_query("DELETE FROM `links` WHERE `src_if` = '$entry[src_if]' AND `dst_if` = '$entry[dst_if]'");
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echo("$src_if_id -> $dst_if_id REMOVED \n");
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} else {
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echo("$src_if_id -> $dst_if_id VALID \n");
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}
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}
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?>
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