mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
82 lines
3.4 KiB
PHP
82 lines
3.4 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 $data) {
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list($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 ($ip != '...') {
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$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($m_a);
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$m_b = zeropad($m_b);
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$m_c = zeropad($m_c);
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$m_d = zeropad($m_d);
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$m_e = zeropad($m_e);
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$m_f = zeropad($m_f);
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$md_a = hexdec($m_a);
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$md_b = hexdec($m_b);
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$md_c = hexdec($m_c);
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$md_d = hexdec($m_d);
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$md_e = hexdec($m_e);
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$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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// 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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d_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'], $ip));
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echo '.';
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}
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else if (isset($interface['port_id'])) {
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echo '+';
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// echo("Add MAC $mac\n");
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$insert_data = array(
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'port_id' => $interface['port_id'],
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'mac_address' => $clean_mac,
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'ipv4_address' => $ip,
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);
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dbInsert($insert_data, 'ipv4_mac');
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}//end if
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}//end if
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}//end foreach
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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 $entry) {
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$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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dbDelete('ipv4_mac', '`port_id` = ? AND `mac_address` = ?', array($entry_if, $entry_mac));
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d_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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