mirror of
https://github.com/librenms/librenms.git
synced 2024-09-22 02:48:37 +00:00
902c056f62
* Fix for RouterOS LLDP discovery Only the first nine neighbors were correct on RouterOS - missing hexdec() led to the remaining neighbors being linked to the wrong ports. Ex. port 10 in hex was incorrectly linked to port 10 decimal when it should be 16 in decimal * Added test data for MikroTik RouterOS CRS317 switch
370 lines
16 KiB
PHP
370 lines
16 KiB
PHP
<?php
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use LibreNMS\Config;
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use LibreNMS\Util\IP;
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global $link_exists;
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if ($device['os'] == 'ironware' && Config::get('autodiscovery.xdp') === true) {
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echo ' Brocade FDP: ';
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$fdp_array = snmpwalk_group($device, 'snFdpCacheEntry', 'FOUNDRY-SN-SWITCH-GROUP-MIB', 2);
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foreach ($fdp_array as $key => $fdp_if_array) {
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$interface = get_port_by_ifIndex($device['device_id'], $key);
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d_echo($fdp_if_array);
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foreach ($fdp_if_array as $entry_key => $fdp) {
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$remote_device_id = find_device_id($fdp['snFdpCacheDeviceId']);
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if (!$remote_device_id &&
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!can_skip_discovery($fdp['snFdpCacheDeviceId'], $fdp['snFdpCacheVersion'])
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) {
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$remote_device_id = discover_new_device($fdp['snFdpCacheDeviceId'], $device, 'FDP', $interface);
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}
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$remote_port_id = find_port_id($fdp['snFdpCacheDevicePort'], '', $remote_device_id);
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discover_link(
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$interface['port_id'],
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$fdp['snFdpCacheVendorId'],
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$remote_port_id,
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$fdp['snFdpCacheDeviceId'],
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$fdp['snFdpCacheDevicePort'],
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$fdp['snFdpCachePlatform'],
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$fdp['snFdpCacheVersion'],
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$device['device_id'],
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$remote_device_id
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);
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}
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}//end foreach
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echo PHP_EOL;
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}//end if
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echo ' CISCO-CDP-MIB: ';
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if (Config::get('autodiscovery.xdp') === true) {
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$cdp_array = snmpwalk_group($device, 'cdpCache', 'CISCO-CDP-MIB', 2);
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foreach ($cdp_array as $key => $cdp_if_array) {
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$interface = get_port_by_ifIndex($device['device_id'], $key);
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foreach ($cdp_if_array as $entry_key => $cdp) {
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d_echo($cdp);
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$cdp_ip = IP::fromHexString($cdp['cdpCacheAddress'], true);
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$remote_device_id = find_device_id($cdp['cdpCacheDeviceId'], $cdp_ip);
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if (!$remote_device_id &&
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!can_skip_discovery($cdp['cdpCacheDeviceId'], $cdp['cdpCacheVersion'], $cdp['cdpCachePlatform'])
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) {
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$remote_device_id = discover_new_device($cdp['cdpCacheDeviceId'], $device, 'CDP', $interface);
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if (!$remote_device_id && Config::get('discovery_by_ip', false)) {
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$remote_device_id = discover_new_device($cdp_ip, $device, 'CDP', $interface);
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}
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}
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if ($interface['port_id'] && $cdp['cdpCacheDeviceId'] && $cdp['cdpCacheDevicePort']) {
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$remote_port_id = find_port_id($cdp['cdpCacheDevicePort'], '', $remote_device_id);
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discover_link(
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$interface['port_id'],
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'cdp',
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$remote_port_id,
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$cdp['cdpCacheDeviceId'],
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$cdp['cdpCacheDevicePort'],
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$cdp['cdpCachePlatform'],
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$cdp['cdpCacheVersion'],
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$device['device_id'],
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$remote_device_id
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);
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}
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}//end foreach
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}//end foreach
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echo PHP_EOL;
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}//end if
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if (($device['os'] == 'routeros') && Config::get('autodiscovery.xdp') === true) {
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echo ' LLDP-MIB: ';
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$lldp_array = snmpwalk_group($device, 'lldpRemEntry', 'LLDP-MIB', 3);
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if (!empty($lldp_array)) {
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$lldp_ports = snmpwalk_group($device, 'mtxrInterfaceStatsName', 'MIKROTIK-MIB');
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$lldp_ports_num = snmpwalk_group($device, 'mtxrNeighborInterfaceID', 'MIKROTIK-MIB');
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foreach ($lldp_array as $key => $lldp) {
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$local_port_ifName = $lldp_ports[hexdec($lldp_ports_num[$key]['mtxrNeighborInterfaceID'])]['mtxrInterfaceStatsName'];
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$local_port_id = find_port_id($local_port_ifName, null, $device['device_id']);
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$interface = get_port_by_id($local_port_id);
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if ($lldp['lldpRemPortIdSubtype'] == 3) { // 3 = macaddress
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$remote_port_mac = str_replace(array(' ', ':', '-'), '', strtolower($lldp['lldpRemPortId']));
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}
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$remote_device_id = find_device_id($lldp['lldpRemSysName'], $lldp['lldpRemManAddr'], $remote_port_mac);
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if (!$remote_device_id &&
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is_valid_hostname($lldp['lldpRemSysName']) &&
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!can_skip_discovery($lldp['lldpRemSysName'], $lldp['lldpRemSysDesc'])) {
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$remote_device_id = discover_new_device($lldp['lldpRemSysName'], $device, 'LLDP', $interface);
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}
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if ($interface['port_id'] && $lldp['lldpRemSysName'] && $lldp['lldpRemPortId']) {
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$remote_port_id = find_port_id($lldp['lldpRemPortDesc'], $lldp['lldpRemPortId'], $remote_device_id);
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discover_link(
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$interface['port_id'],
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'lldp',
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$remote_port_id,
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$lldp['lldpRemSysName'],
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$lldp['lldpRemPortId'],
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null,
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$lldp['lldpRemSysDesc'],
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$device['device_id'],
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$remote_device_id
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);
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}
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}//end foreach
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}
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echo PHP_EOL;
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} elseif (($device['os'] == 'pbn' || $device['os'] == 'bdcom') && Config::get('autodiscovery.xdp') === true) {
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echo ' NMS-LLDP-MIB: ';
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$lldp_array = snmpwalk_group($device, 'lldpRemoteSystemsData', 'NMS-LLDP-MIB');
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foreach ($lldp_array as $key => $lldp) {
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d_echo($lldp);
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$interface = get_port_by_ifIndex($device['device_id'], $lldp['lldpRemLocalPortNum']);
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$remote_device_id = find_device_id($lldp['lldpRemSysName']);
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if (!$remote_device_id &&
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is_valid_hostname($lldp['lldpRemSysName']) &&
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!can_skip_discovery($lldp['lldpRemSysName'], $lldp['lldpRemSysDesc'])
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) {
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$remote_device_id = discover_new_device($lldp['lldpRemSysName'], $device, 'LLDP', $interface);
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}
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if ($interface['port_id'] && $lldp['lldpRemSysName'] && $lldp['lldpRemPortId']) {
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$remote_port_id = find_port_id($lldp['lldpRemPortDesc'], $lldp['lldpRemPortId'], $remote_device_id);
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discover_link(
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$interface['port_id'],
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'lldp',
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$remote_port_id,
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$lldp['lldpRemSysName'],
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$lldp['lldpRemPortId'],
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null,
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$lldp['lldpRemSysDesc'],
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$device['device_id'],
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$remote_device_id
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);
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}
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}//end foreach
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echo PHP_EOL;
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} elseif (($device['os'] == 'timos') && Config::get('autodiscovery.xdp') === true) {
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echo ' TIMETRA-LLDP-MIB: ';
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$lldp_array = snmpwalk_group($device, 'tmnxLldpRemoteSystemsData', 'TIMETRA-LLDP-MIB');
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foreach ($lldp_array as $key => $lldp) {
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$ifIndex = key($lldp['tmnxLldpRemPortId']);
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$MacIndex = key($lldp['tmnxLldpRemPortId'][$ifIndex]);
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$RemIndex = key($lldp['tmnxLldpRemPortId'][$ifIndex][$MacIndex]);
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$interface = get_port_by_ifIndex($device['device_id'], $ifIndex);
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$remote_device_id = find_device_id($lldp['tmnxLldpRemSysName'][$ifIndex][$MacIndex][$RemIndex]);
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if (!$remote_device_id &&
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is_valid_hostname($lldp['tmnxLldpRemSysName'][$ifIndex][$MacIndex][$RemIndex]) &&
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!can_skip_discovery($lldp['tmnxLldpRemSysName'][$ifIndex][$MacIndex][$RemIndex], $lldp['tmnxLldpRemSysDesc'][$ifIndex][$MacIndex][$RemIndex])
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) {
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$remote_device_id = discover_new_device($lldp['tmnxLldpRemSysName'][$ifIndex][$MacIndex][$RemIndex], $device, 'LLDP', $interface);
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}
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if ($interface['port_id'] && $lldp['tmnxLldpRemSysName'][$ifIndex][$MacIndex][$RemIndex] && $lldp['tmnxLldpRemPortId'][$ifIndex][$MacIndex][$RemIndex]) {
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$remote_port_id = find_port_id($lldp['tmnxLldpRemPortDesc'][$ifIndex][$MacIndex][$RemIndex], $lldp['tmnxLldpRemPortId'][$ifIndex][$MacIndex][$RemIndex], $remote_device_id);
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discover_link(
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$interface['port_id'],
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'lldp',
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$remote_port_id,
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$lldp['tmnxLldpRemSysName'][$ifIndex][$MacIndex][$RemIndex],
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$lldp['tmnxLldpRemPortId'][$ifIndex][$MacIndex][$RemIndex],
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null,
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$lldp['tmnxLldpRemSysDesc'][$ifIndex][$MacIndex][$RemIndex],
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$device['device_id'],
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$remote_device_id
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);
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}
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}//end foreach
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echo PHP_EOL;
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} elseif (Config::get('autodiscovery.xdp') === true) {
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echo ' LLDP-MIB: ';
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$lldp_array = snmpwalk_group($device, 'lldpRemTable', 'LLDP-MIB', 3);
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if (!empty($lldp_array)) {
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$lldp_remAddr_num = snmpwalk_cache_multi_oid($device, '.1.0.8802.1.1.2.1.4.2.1.3', [], 'LLDP-MIB', null, '-OQun');
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foreach ($lldp_remAddr_num as $key => $value) {
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$res = preg_match("/1\.0\.8802\.1\.1\.2\.1\.4\.2\.1\.3\.([^\.]*)\.([^\.]*)\.([^\.]*)\.([^\.]*)\.([^\.]*).(([^\.]*)(\.([^\.]*))+)/", $key, $matches);
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if ($res) {
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//collect the Management IP address from the OID
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if ($matches[5] == 4) {
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$lldp_array[$matches[1]][$matches[2]][$matches[3]]['lldpRemManAddr'] = $matches[6];
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} else {
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$ipv6 = implode(
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':',
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array_map(
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function ($v) {
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return sprintf('%02x', $v);
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},
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explode('.', $matches[6])
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)
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);
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$ipv6 = preg_replace('/([^:]{2}):([^:]{2})/i', '$1$2', $ipv6);
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$lldp_array[$matches[1]][$matches[2]][$matches[3]]['lldpRemManAddr'] = $ipv6;
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}
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}
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}
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$dot1d_array = snmpwalk_group($device, 'dot1dBasePortIfIndex', 'BRIDGE-MIB');
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$lldp_ports = snmpwalk_group($device, 'lldpLocPortId', 'LLDP-MIB');
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}
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foreach ($lldp_array as $key => $lldp_if_array) {
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foreach ($lldp_if_array as $entry_key => $lldp_instance) {
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if (is_numeric($dot1d_array[$entry_key]['dot1dBasePortIfIndex'])) {
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$ifIndex = $dot1d_array[$entry_key]['dot1dBasePortIfIndex'];
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} else {
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$ifIndex = $entry_key;
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}
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$local_port_id = find_port_id($lldp_ports[$entry_key]['lldpLocPortId'], $ifIndex, $device['device_id']);
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$interface = get_port_by_id($local_port_id);
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d_echo($lldp_instance);
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foreach ($lldp_instance as $entry_instance => $lldp) {
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// normalize MAC address if present
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$remote_port_mac = '';
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if ($lldp['lldpRemPortIdSubtype'] == 3) { // 3 = macaddress
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$remote_port_mac = str_replace(array(' ', ':', '-'), '', strtolower($lldp['lldpRemPortId']));
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}
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$remote_device_id = find_device_id($lldp['lldpRemSysName'], $lldp['lldpRemManAddr'], $remote_port_mac);
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// add device if configured to do so
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if (!$remote_device_id && !can_skip_discovery($lldp['lldpRemSysName'], $lldp['lldpRemSysDesc'])) {
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$remote_device_id = discover_new_device($lldp['lldpRemSysName'], $device, 'LLDP', $interface);
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if (!$remote_device_id && Config::get('discovery_by_ip', false)) {
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$ptopo_array = snmpwalk_group($device, 'ptopoConnEntry', 'PTOPO-MIB');
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d_echo($ptopo_array);
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foreach ($ptopo_array as $ptopo) {
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if (strcmp(trim($ptopo['ptopoConnRemoteChassis']), trim($lldp['lldpRemChassisId'])) == 0) {
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$ip = IP::fromHexString($ptopo['ptopoConnAgentNetAddr'], true);
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$remote_device_id = discover_new_device($ip, $device, 'LLDP', $interface);
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break;
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}
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}
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if (!$remote_device_id && isset($lldp['lldpRemManAddr'])) {
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$remote_device_id = discover_new_device($lldp['lldpRemManAddr'], $device, 'LLDP', $interface);
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}
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unset($ptopo_array);
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}
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}
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$remote_device = device_by_id_cache($remote_device_id);
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if ($remote_device['os'] == 'calix') {
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$lldp['lldpRemPortId'] = 'EthPort ' . $lldp['lldpRemPortId'];
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}
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if ($remote_device['os'] == 'xos') {
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$slot_port = explode(':', $lldp['lldpRemPortId']);
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if (sizeof($slot_port) == 2) {
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$n_slot = (int)$slot_port[0];
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$n_port = (int)$slot_port[1];
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} else {
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$n_slot = 1;
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$n_port = (int)$slot_port[0];
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}
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$lldp['lldpRemPortId'] = (string)($n_slot * 1000 + $n_port);
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}
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$remote_port_id = find_port_id(
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$lldp['lldpRemPortDesc'],
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$lldp['lldpRemPortId'],
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$remote_device_id,
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$remote_port_mac
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);
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if (empty($lldp['lldpRemSysName'])) {
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$lldp['lldpRemSysName'] = $remote_device['sysName'] ?: $remote_device['hostname'];
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}
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if ($interface['port_id'] && $lldp['lldpRemSysName'] && $lldp['lldpRemPortId']) {
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discover_link(
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$interface['port_id'],
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'lldp',
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$remote_port_id,
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$lldp['lldpRemSysName'],
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$lldp['lldpRemPortId'],
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null,
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$lldp['lldpRemSysDesc'],
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$device['device_id'],
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$remote_device_id
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);
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}
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}//end foreach
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}//end foreach
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}//end foreach
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unset(
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$dot1d_array
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);
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echo PHP_EOL;
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}//end elseif
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if (Config::get('autodiscovery.ospf') === true) {
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echo ' OSPF Discovery: ';
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$sql = 'SELECT DISTINCT(`ospfNbrIpAddr`),`device_id` FROM `ospf_nbrs` WHERE `device_id`=?';
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foreach (dbFetchRows($sql, array($device['device_id'])) as $nbr) {
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try {
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$ip = IP::parse($nbr['ospfNbrIpAddr']);
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if ($ip->inNetworks(Config::get('autodiscovery.nets-exclude'))) {
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echo 'x';
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continue;
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}
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if (!$ip->inNetworks(Config::get('nets'))) {
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echo 'i';
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continue;
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}
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$name = gethostbyaddr($ip);
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$remote_device_id = discover_new_device($name, $device, 'OSPF');
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} catch (\LibreNMS\Exceptions\InvalidIpException $e) {
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//
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}
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}
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echo PHP_EOL;
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}
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d_echo($link_exists);
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$sql = "SELECT * FROM `links` AS L, `ports` AS I WHERE L.local_port_id = I.port_id AND I.device_id = ?";
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foreach (dbFetchRows($sql, array($device['device_id'])) as $test) {
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$local_port_id = $test['local_port_id'];
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$remote_hostname = $test['remote_hostname'];
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$remote_port = $test['remote_port'];
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d_echo("$local_port_id -> $remote_hostname -> $remote_port \n");
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if (!$link_exists[$local_port_id][$remote_hostname][$remote_port]) {
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echo '-';
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$rows = dbDelete('links', '`id` = ?', array($test['id']));
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d_echo("$rows deleted ");
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}
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}
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// remove orphaned links
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$deleted = (int)dbDeleteOrphans('links', array('devices.device_id.local_device_id'));
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echo str_repeat('-', $deleted);
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d_echo(" $deleted orphaned links deleted\n");
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unset(
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$link_exists,
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$sql,
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$fdp_array,
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$cdp_array,
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$lldp_array,
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$deleted
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);
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