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arp-table.inc.php
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arp-table.inc.php
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<?php
unset($mac_table);
echo 'ARP Table : ';
if( key_exists('vrf_lite_cisco', $device) && (count($device['vrf_lite_cisco'])!=0) ){
$vrfs_lite_cisco = $device['vrf_lite_cisco'];
}
else{
$vrfs_lite_cisco = array(array('context_name'=>null));
}
foreach ($vrfs_lite_cisco as $vrf) {
$device['context_name']=$vrf['context_name'];
$ipNetToMedia_data = snmp_walk($device, 'ipNetToMediaPhysAddress', '-Oq', 'IP-MIB');
$ipNetToMedia_data = str_replace('ipNetToMediaPhysAddress.', '', trim($ipNetToMedia_data));
$ipNetToMedia_data = str_replace('IP-MIB::', '', trim($ipNetToMedia_data));
foreach (explode("\n", $ipNetToMedia_data) as $data) {
list($oid, $mac) = explode(' ', $data);
list($if, $first, $second, $third, $fourth) = explode('.', $oid);
$ip = $first.'.'.$second.'.'.$third.'.'.$fourth;
if ($ip != '...') {
$interface = dbFetchRow('SELECT * FROM `ports` WHERE `device_id` = ? AND `ifIndex` = ?', array($device['device_id'], $if));
list($m_a, $m_b, $m_c, $m_d, $m_e, $m_f) = explode(':', $mac);
$m_a = zeropad($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);
$md_a = hexdec($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);
$mac = "$m_a:$m_b:$m_c:$m_d:$m_e:$m_f";
$mac_table[$if][$mac]['ip'] = $ip;
$mac_table[$if][$mac]['ciscomac'] = "$m_a$m_b.$m_c$m_d.$m_e$m_f";
$clean_mac = $m_a.$m_b.$m_c.$m_d.$m_e.$m_f;
$mac_table[$if][$mac]['cleanmac'] = $clean_mac;
$port_id = $interface['port_id'];
$mac_table[$port_id][$clean_mac] = 1;
if (dbFetchCell('SELECT COUNT(*) from ipv4_mac WHERE port_id = ? AND ipv4_address = ? AND `context_name`= ?', array($interface['port_id'], $ip, $device['context_name']))) {
// Commented below, no longer needed but leaving for reference.
// $sql = "UPDATE `ipv4_mac` SET `mac_address` = '$clean_mac' WHERE port_id = '".$interface['port_id']."' AND ipv4_address = '$ip'";
$old_mac = dbFetchCell('SELECT mac_address from ipv4_mac WHERE ipv4_address=? AND port_id=? AND `context_name`= ?', array($ip, $interface['port_id']), $device['context_name']);
if ($clean_mac != $old_mac && $clean_mac != '' && $old_mac != '') {
d_echo("Changed mac address for $ip from $old_mac to $clean_mac\n");
log_event("MAC change: $ip : ".mac_clean_to_readable($old_mac).' -> '.mac_clean_to_readable($clean_mac), $device, 'interface', $interface['port_id']);
}
dbUpdate(array('mac_address' => $clean_mac), 'ipv4_mac', 'port_id=? AND ipv4_address=? AND `context_name`= ?', array($interface['port_id'], $ip, $device['context_name']));
echo '.';
}
else if (isset($interface['port_id'])) {
echo '+';
// echo("Add MAC $mac\n");
$insert_data = array(
'port_id' => $interface['port_id'],
'mac_address' => $clean_mac,
'ipv4_address' => $ip,
'context_name' => $device['context_name'],
);
dbInsert($insert_data, 'ipv4_mac');
}//end if
}//end if
}//end foreach
$sql = "SELECT * from ipv4_mac AS M, ports as I WHERE M.port_id = I.port_id and I.device_id = ' AND `context_name`= ?".$device['device_id']." AND M.context_name='". $device['context_name'] ."'";
foreach (dbFetchRows($sql) as $entry) {
$entry_mac = $entry['mac_address'];
$entry_if = $entry['port_id'];
if (!$mac_table[$entry_if][$entry_mac]) {
dbDelete('ipv4_mac', '`port_id` = ? AND `mac_address` = ? AND `context_name`= ?', array($entry_if, $entry_mac, $device['context_name']));
d_echo("Removing MAC $entry_mac from interface ".$interface['ifName']);
echo '-';
}
}
echo "\n";
unset($mac);
unset($device['context_name']);
}
unset($vrfs_c);