mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
72 lines
3.0 KiB
PHP
72 lines
3.0 KiB
PHP
<?php
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unset ($mac_table);
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echo("ARP Table : ");
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$ipNetToMedia_data = snmp_walk($device, 'ipNetToMediaPhysAddress', '-Oq', 'IP-MIB');
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$ipNetToMedia_data = str_replace("ipNetToMediaPhysAddress.", "", trim($ipNetToMedia_data));
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$ipNetToMedia_data = str_replace("IP-MIB::", "", trim($ipNetToMedia_data));
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foreach (explode("\n", $ipNetToMedia_data) as $data)
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{
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list($oid, $mac) = explode(" ", $data);
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list($if, $first, $second, $third, $fourth) = explode(".", $oid);
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$ip = $first .".". $second .".". $third .".". $fourth;
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if ($ip != '...')
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{
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$interface = dbFetchRow("SELECT * FROM `ports` WHERE `device_id` = ? AND `ifIndex` = ?",array($device['device_id'],$if));
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list($m_a, $m_b, $m_c, $m_d, $m_e, $m_f) = explode(":", $mac);
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$m_a = zeropad($m_a);$m_b = zeropad($m_b);$m_c = zeropad($m_c);$m_d = zeropad($m_d);$m_e = zeropad($m_e);$m_f = zeropad($m_f);
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$md_a = hexdec($m_a);$md_b = hexdec($m_b);$md_c = hexdec($m_c);$md_d = hexdec($m_d);$md_e = hexdec($m_e);$md_f = hexdec($m_f);
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$mac = "$m_a:$m_b:$m_c:$m_d:$m_e:$m_f";
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$mac_table[$if][$mac]['ip'] = $ip;
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$mac_table[$if][$mac]['ciscomac'] = "$m_a$m_b.$m_c$m_d.$m_e$m_f";
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$clean_mac = $m_a . $m_b . $m_c . $m_d . $m_e . $m_f;
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$mac_table[$if][$mac]['cleanmac'] = $clean_mac;
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$port_id = $interface['port_id'];
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$mac_table[$port_id][$clean_mac] = 1;
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if (dbFetchCell("SELECT COUNT(*) from ipv4_mac WHERE port_id = ? AND ipv4_address = ?",array($interface['port_id'], $ip)))
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{
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// Commented below, no longer needed but leaving for reference.
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//$sql = "UPDATE `ipv4_mac` SET `mac_address` = '$clean_mac' WHERE port_id = '".$interface['port_id']."' AND ipv4_address = '$ip'";
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$old_mac = dbFetchCell("SELECT mac_address from ipv4_mac WHERE ipv4_address=? AND port_id=?",array($ip,$interface['port_id']));
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if ($clean_mac != $old_mac && $clean_mac != '' && $old_mac != '')
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{
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if ($debug) { echo("Changed mac address for $ip from $old_mac to $clean_mac\n"); }
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log_event("MAC change: $ip : " . mac_clean_to_readable($old_mac) . " -> " . mac_clean_to_readable($clean_mac), $device, "interface", $interface['port_id']);
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}
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dbUpdate(array('mac_address' => $clean_mac), 'ipv4_mac', 'port_id=? AND ipv4_address=?',array($interface['port_id'],$ip));
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echo(".");
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}
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else
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{
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echo("+");
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#echo("Add MAC $mac\n");
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dbInsert(array('port_id' => $interface['port_id'], 'mac_address' => $clean_mac, 'ipv4_address' => $ip), 'ipv4_mac');
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}
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}
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}
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$sql = "SELECT * from ipv4_mac AS M, ports as I WHERE M.port_id = I.port_id and I.device_id = '".$device['device_id']."'";
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foreach (dbFetchRows($sql) as $entry)
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{
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$entry_mac = $entry['mac_address'];
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$entry_if = $entry['port_id'];
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if (!$mac_table[$entry_if][$entry_mac])
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{
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dbDelete('ipv4_mac', '`port_id` = ? AND `mac_address` = ?', array($entry_if,$entry_mac));
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if ($debug) { echo("Removing MAC $entry_mac from interface ".$interface['ifName']); }
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echo("-");
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}
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}
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echo("\n");
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unset($mac);
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?>
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