1182 lines
50 KiB
PHP

<?php
/**
* Observium
*
* This file is part of Observium.
*
* @package observium
* @subpackage entities
* @copyright (C) Adam Armstrong
*
*/
/**
* Validate BGP peer
*
* @param array $peer BGP peer array from discovery or polling process
* @param array $device Common device array
*
* @return boolean TRUE if peer array valid
*/
function is_bgp_peer_valid($peer, $device) {
// if ($peer['ip'] === '95.130.232.3') {
// print_debug("Peer ignored (DEVEL).");
// return FALSE;
// }
if (isset($peer['admin_status']) && empty($peer['admin_status'])) {
print_debug("Peer ignored (by empty Admin Status).");
return FALSE;
}
if ($valid && !(is_numeric($peer['as']) && $peer['as'] != 0)) {
print_debug("Peer ignored (by invalid AS number '" . $peer['as'] . "').");
return FALSE;
}
if ($valid && !get_ip_version($peer['ip'])) {
print_debug("Peer ignored (by invalid Remote IP '" . $peer['ip'] . "').");
return FALSE;
}
return TRUE;
}
/**
* Detect is BGP AS number in private range, see:
* https://tools.ietf.org/html/rfc6996
* https://tools.ietf.org/html/rfc7300
*
* @param string|int $as AS number
*
* @return boolean TRUE if AS number in private range
*/
function is_bgp_as_private($as)
{
$as = bgp_asdot_to_asplain($as); // Convert ASdot to ASplain
// Note 65535 and 5294967295 not really Private ASNs,
// this is Reserved for use by Well-known Communities
$private = ($as >= 64512 && $as <= 65535) || // 16-bit private ASn
($as >= 4200000000 && $as <= 5294967295); // 32-bit private ASn
return $private;
}
/**
* Convert AS number from asplain to asdot format (for 32bit ASn).
*
* @param string|int|array $as AS number in plain or dot format
*
* @return string|array AS number in dot format (for 32bit ASn)
*/
function bgp_asplain_to_asdot($as)
{
if (is_array($as)) {
// Recursive for arrays
$return = [];
foreach ($as as $entry) {
$return[] = bgp_asplain_to_asdot($entry);
}
return $return;
}
if (str_contains($as, '.') || // Already asdot format
($as < 65536)) { // 16bit ASn no need to formatting
return $as;
}
$as2 = $as % 65536;
$as1 = ($as - $as2) / 65536;
return (int)$as1 . '.' . (int)$as2;
}
/**
* Convert AS number from asdot to asplain format (for 32bit ASn).
*
* @param string|int|array $as AS number in plain or dot format
*
* @return string|array AS number in plain format (for 32bit ASn)
*/
function bgp_asdot_to_asplain($as)
{
if (is_array($as)) {
// Recursive for arrays
$return = [];
foreach ($as as $entry) {
$return[] = bgp_asdot_to_asplain($entry);
}
return $return;
}
if (!str_contains($as, '.')) { // Already asplain format
return $as;
}
[$as1, $as2] = explode('.', $as, 2);
$as = $as1 * 65536 + $as2;
return (string)$as;
}
/**
* @param array $device
*
* @return array
*/
function get_bgp_localas_array($device) {
global $config, $attribs;
if (OBS_PROCESS_NAME === 'poller') {
// In poller return cached array
if (isset($attribs['bgp_localas'])) {
print_debug("Get Cached BGP LocalAs array.");
$return = safe_json_decode($attribs['bgp_localas']);
print_debug_vars($return);
return $return;
}
if (safe_empty($device['bgpLocalAs']) || $device['bgpLocalAs'] == 0) {
// Old empty peers (before rewrite or caching)
print_debug("BGP not discovered on device.");
return [];
}
} else {
$db_bgp_localas = get_entity_attrib('device', $device['device_id'], 'bgp_localas');
}
// use correct MIBs order:
// first always CISCO-BGP4-MIB (before BGP4-MIB)
// second BGP4-MIB, then all others
$bgp_mibs = [];
foreach (get_device_mibs_permitted($device) as $mib) {
// check bgp definitions
if (!isset($config['mibs'][$mib]['bgp'])) {
continue;
}
if ($mib === 'CISCO-BGP4-MIB') {
array_unshift($bgp_mibs, $mib);
} elseif ($mib === 'BGP4-MIB') {
if ($bgp_mibs[0] === 'CISCO-BGP4-MIB') {
// put BGP4-MIB after CISCO-BGP4-MIB
array_splice($bgp_mibs, 1, 0, $mib);
} else {
array_unshift($bgp_mibs, $mib);
}
} else {
$bgp_mibs[] = $mib;
}
}
print_debug_vars($bgp_mibs);
if (empty($bgp_mibs)) {
if (!safe_empty($db_bgp_localas)) {
// Clean cache when BGP removed
del_entity_attrib('device', $device['device_id'], 'bgp_localas');
}
return [];
}
// Common LocalAs before all
$bgp4_local_as = snmp_get_oid($device, 'bgpLocalAs.0', 'BGP4-MIB');
if (!snmp_status() && $device['os'] === 'fortigate') {
// Strange case on Fortigate devices
// BGP4-MIB::bgpVersion.1 = Hex-STRING: 10
// BGP4-MIB::bgpLocalAs.1 = INTEGER: 65403
// BGP4-MIB::bgpIdentifier.1 = IpAddress: 4.118.140.2
$bgp4_local_as = snmp_getnext_oid($device, 'bgpLocalAs', 'BGP4-MIB');
//$bgp4_local_as = snmp_get_oid($device, 'bgpLocalAs.1', 'BGP4-MIB');
}
$bgp4_mib = is_numeric($bgp4_local_as);
$vrf_contexts = get_device_vrf_contexts($device); // SNMP VRF context discovered for device
$entries = [];
foreach ($bgp_mibs as $mib) {
$def = $config['mibs'][$mib]['bgp'];
// Main
if ($mib === 'CISCO-BGP4-MIB') {
// Cisco can report Afi/Safi but without cbgpLocalAs.0 and cbgpPeer2RemoteAs,
// Not sure, probably check cbgpPeerAcceptedPrefixes / cbgpPeer2AcceptedPrefixes here
if ($local_as = snmp_get_oid($device, 'cbgpLocalAs.0', $mib)) {
$ctest = snmp_getnext_oid($device, 'cbgpPeer2AcceptedPrefixes', $mib);
$cisco_version = safe_empty($ctest) ? 1 : 2;
$entries[] = ['mib' => $mib, 'oid' => 'cbgpLocalAs.0', 'LocalAs' => snmp_dewrap32bit($local_as), 'cisco_version' => $cisco_version];
} else {
$local_as = snmp_getnext_oid($device, 'cbgpPeer2LocalAs', $mib);
// cbgpPeer2LocalAs in many devices is zero, but peers exist
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib, 'oid' => 'cbgpPeer2LocalAs', 'LocalAs' => snmp_dewrap32bit($local_as), 'cisco_version' => 2 ];
} elseif ($bgp4_mib) {
// Only check AcceptedPrefixes
$ctest = snmp_getnext_oid($device, 'cbgpPeer2AcceptedPrefixes', $mib);
$cisco_version = 2;
if (!snmp_status()) {
$ctest = snmp_getnext_oid($device, 'cbgpPeerAcceptedPrefixes', $mib);
$cisco_version = 1;
// CISCO-BGP4-MIB not exist
if (!snmp_status()) {
continue;
}
}
$entries[] = [ 'mib' => $mib, 'cisco_version' => $cisco_version ];
}
}
} elseif ($mib === 'BGP4-MIB') {
if ($bgp4_mib) {
$entries[] = [ 'mib' => $mib, 'oid' => $def['oids']['LocalAs']['oid'], 'LocalAs' => snmp_dewrap32bit($bgp4_local_as) ];
}
} elseif ($mib === 'CUMULUS-BGPVRF-MIB') {
// This mib use per-vrf indexes
// CUMULUS-BGPVRF-MIB::bgpVrfTable.254 = INTEGER: 254
// CUMULUS-BGPVRF-MIB::bgpVrfTable.1001 = INTEGER: 1001
// CUMULUS-BGPVRF-MIB::bgpVrfId.254 = INTEGER: 0
// CUMULUS-BGPVRF-MIB::bgpVrfId.1001 = INTEGER: 37
// CUMULUS-BGPVRF-MIB::bgpVrfName.254 = STRING: default
// CUMULUS-BGPVRF-MIB::bgpVrfName.1001 = STRING: mgmt
foreach (snmpwalk_cache_oid($device, 'bgpVrfName', [], $mib) as $vrf_index => $entry) {
$local_as = snmp_get_oid($device, $def['oids']['LocalAs']['oid'] . '.' . $vrf_index, $mib);
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib, 'oid' => $def['oids']['LocalAs']['oid'], 'LocalAs' => snmp_dewrap32bit($local_as),
'vrf_index' => $vrf_index, 'vrf_name' => $entry['bgpVrfName'] ];
}
}
} elseif (isset($def['oids']['LocalAs']['oid'])) {
// Vendor definitions
$local_as = snmp_get_oid($device, $def['oids']['LocalAs']['oid'], $mib);
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib, 'oid' => $def['oids']['LocalAs']['oid'], 'LocalAs' => snmp_dewrap32bit($local_as) ];
}
} elseif (isset($def['oids']['LocalAs']['oid_next'])) {
// Vendor definitions
$local_as = snmp_getnext_oid($device, $def['oids']['LocalAs']['oid_next'], $mib);
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib, 'oid' => $def['oids']['LocalAs']['oid_next'], 'LocalAs' => snmp_dewrap32bit($local_as) ];
}
} elseif ($bgp4_mib) {
// When MIB specific LocalAs not exist, but BGP4-MIB already return valid LocasAs
// append this mib to entries, ie HUAWEI-BGP-VPN-MIB, CUMULUS-BGPUN-MIB
snmp_getnext_oid($device, $def['oids']['PeerRemoteAs']['oid'], $mib);
if (snmp_status()) {
$entry = [ 'mib' => $mib ];
if ($mib === 'CUMULUS-BGPUN-MIB' && $local_as = snmp_get_oid($device, 'bgpLocalAs', $mib)) {
// Cumulus OS not always return LocalAs
$entry['oid'] = 'bgpLocalAs';
$entry['LocalAs'] = snmp_dewrap32bit($local_as); // .1.3.6.1.4.1.40310.4.2 = INTEGER: 64732
}
$entries[] = $entry;
unset($entry);
}
}
// Check in Virtual Routing
if ($vrf_contexts) { // SNMP VRF context discovered for device
$bgp4_mib_vrf = [];
foreach ($vrf_contexts as $vrf_name => $snmp_virtual) {
print_debug("Check LocalAs in Virtual Routing: $vrf_name...");
$device_vrf = snmp_virtual_device($device, $snmp_virtual);
// Common LocalAs before all
$bgp4_local_as = snmp_get_oid($device_vrf, 'bgpLocalAs.0', 'BGP4-MIB');
if (snmp_status()) {
if ($device['os'] === 'nxos' &&
safe_empty(snmp_getnext_oid($device_vrf, 'bgpPeerRemoteAs', 'BGP4-MIB'))) {
// Cisco NXOS report in each VRF table bgpLocalAs, but without any real peer inside (only paths)
$bgp4_local_as = FALSE;
}
} elseif ($device['os'] === 'fortigate') {
// Strange case on Fortigate devices
// BGP4-MIB::bgpVersion.1 = Hex-STRING: 10
// BGP4-MIB::bgpLocalAs.1 = INTEGER: 65403
// BGP4-MIB::bgpIdentifier.1 = IpAddress: 4.118.140.2
$bgp4_local_as = snmp_getnext_oid($device_vrf, 'bgpLocalAs', 'BGP4-MIB');
//$bgp4_local_as = snmp_get_oid($device_vrf, 'bgpLocalAs.1', 'BGP4-MIB');
}
$bgp4_mib_vrf[$vrf_name] = is_numeric($bgp4_local_as);
if ($mib === 'CISCO-BGP4-MIB') {
// Cisco can report Afi/Safi but without cbgpLocalAs.0 and cbgpPeer2RemoteAs,
// Not sure, probably check cbgpPeerAcceptedPrefixes / cbgpPeer2AcceptedPrefixes here
if ($local_as = snmp_get_oid($device_vrf, 'cbgpLocalAs.0', $mib)) {
$ctest = snmp_getnext_oid($device_vrf, 'cbgpPeer2AcceptedPrefixes', $mib);
$cisco_version = safe_empty($ctest) ? 1 : 2;
$entries[] = [ 'mib' => $mib,
'oid' => 'cbgpLocalAs.0',
'LocalAs' => snmp_dewrap32bit($local_as),
'cisco_version' => $cisco_version,
'virtual_name' => $vrf_name,
'snmp_context' => $snmp_virtual ];
} else {
$local_as = snmp_getnext_oid($device_vrf, 'cbgpPeer2LocalAs', $mib);
// cbgpPeer2LocalAs in many devices is zero, but peers exist
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib,
'oid' => 'cbgpPeer2LocalAs',
'LocalAs' => snmp_dewrap32bit($local_as),
'cisco_version' => 2,
'virtual_name' => $vrf_name,
'snmp_context' => $snmp_virtual ];
} elseif ($bgp4_mib_vrf[$vrf_name]) {
// Only check AcceptedPrefixes
$ctest = snmp_getnext_oid($device_vrf, 'cbgpPeer2AcceptedPrefixes', $mib);
$cisco_version = 2;
if (!snmp_status()) {
$ctest = snmp_getnext_oid($device_vrf, 'cbgpPeerAcceptedPrefixes', $mib);
$cisco_version = 1;
// CISCO-BGP4-MIB not exist
if (!snmp_status()) {
continue;
}
}
$entries[] = [ 'mib' => $mib,
'cisco_version' => $cisco_version,
'virtual_name' => $vrf_name,
'snmp_context' => $snmp_virtual ];
}
}
} elseif ($mib === 'BGP4-MIB') {
if ($bgp4_mib_vrf[$vrf_name]) {
$entries[] = [ 'mib' => $mib,
'oid' => $def['oids']['LocalAs']['oid'],
'LocalAs' => snmp_dewrap32bit($bgp4_local_as),
'virtual_name' => $vrf_name,
'snmp_context' => $snmp_virtual ];
}
} elseif (isset($def['oids']['LocalAs']['oid'])) {
$local_as = snmp_get_oid($device_vrf, $def['oids']['LocalAs']['oid'], $mib);
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib,
'oid' => $def['oids']['LocalAs']['oid'],
'LocalAs' => snmp_dewrap32bit($local_as),
'virtual_name' => $vrf_name,
'snmp_context' => $snmp_virtual];
}
} elseif (isset($def['oids']['LocalAs']['oid_next'])) {
$local_as = snmp_getnext_oid($device_vrf, $def['oids']['LocalAs']['oid_next'], $mib);
if (is_numeric($local_as)) {
$entries[] = [ 'mib' => $mib,
'oid' => $def['oids']['LocalAs']['oid_next'],
'LocalAs' => snmp_dewrap32bit($local_as),
'virtual_name' => $vrf_name,
'snmp_context' => $snmp_virtual];
}
} elseif (isset($bgp4_mib_vrf[$vrf_name])) {
// When MIB specific LocalAs not exist, but BGP4-MIB already return valid LocasAs
// append this mib to entries, ie HUAWEI-BGP-VPN-MIB
snmp_getnext_oid($device_vrf, $def['oids']['PeerRemoteAs']['oid'], $mib);
if (snmp_status()) {
$entries[] = [ 'mib' => $mib, 'virtual_name' => $vrf_name, 'snmp_context' => $snmp_virtual ];
}
}
}
}
}
print_debug_vars($entries);
// Cache entries (in discovery)
if (safe_count($entries)) {
$attrib = safe_json_encode($entries);
if ($attrib !== $db_bgp_localas) {
set_entity_attrib('device', $device['device_id'], 'bgp_localas', safe_json_encode($entries));
if (OBS_PROCESS_NAME === 'poller') {
$attribs['bgp_localas'] = safe_json_encode($entries);
}
}
} elseif (!safe_empty($db_bgp_localas)) {
// Clean cache when BGP removed
del_entity_attrib('device', $device['device_id'], 'bgp_localas');
}
return $entries;
}
/**
* Convert BGP peer index to vendor MIB specific entries
*
* @param array $peer Array with walked peer oids
* @param string $index Peer index
* @param string $mib MIB name
*/
function parse_bgp_peer_index(&$peer, $index, $mib = 'BGP4V2-MIB')
{
global $config;
$address_types = $config['mibs']['INET-ADDRESS-MIB']['rewrite']['InetAddressType'];
$index_parts = explode('.', $index);
switch ($mib) {
case 'BGP4-MIB':
// bgpPeerRemoteAddr
$peer_ip = $index;
if (safe_count($index_parts) > 4) {
if ($index_parts[0] == '4') {
// Aruba case:
// BGP4-MIB::bgpPeerRemoteAddr.4.18.1.23.109 = IpAddress: 18.1.23.109
array_shift($index_parts);
} else {
// Fortigate case:
// BGP4-MIB::bgpPeerRemoteAddr.10.1.250.1.1 = IpAddress: 10.1.250.1
array_pop($index_parts);
}
$peer_ip = implode('.', $index_parts);
}
if (empty($peer['bgpPeerRemoteAddr']) && get_ip_version($peer_ip)) {
$peer['bgpPeerRemoteAddr'] = $peer_ip;
}
break;
case 'ARISTA-BGP4V2-MIB':
// 1. aristaBgp4V2PeerInstance
$peer['aristaBgp4V2PeerInstance'] = array_shift($index_parts);
// 2. aristaBgp4V2PeerRemoteAddrType
$peer_addr_type = array_shift($index_parts);
if (safe_empty($peer['aristaBgp4V2PeerRemoteAddrType'])) {
$peer['aristaBgp4V2PeerRemoteAddrType'] = $peer_addr_type;
}
if (isset($address_types[$peer['aristaBgp4V2PeerRemoteAddrType']])) {
$peer['aristaBgp4V2PeerRemoteAddrType'] = $address_types[$peer['aristaBgp4V2PeerRemoteAddrType']];
}
// 3. length of the IP address
$ip_len = array_shift($index_parts);
// 4. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 5. aristaBgp4V2PeerRemoteAddr
$peer_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if ($peer_addr_type = get_ip_version($peer_ip)) {
$peer['aristaBgp4V2PeerRemoteAddr'] = $peer_ip;
$peer['aristaBgp4V2PeerRemoteAddrType'] = 'ipv' . $peer_addr_type; // FIXME. not sure, but seems as Arista use only ipv4/ipv6 for afi
}
break;
case 'BGP4V2-MIB': // FRR
// BGP4V2-MIB::bgp4V2PeerRemoteAddr.1.4.95.130.232.2 = Hex-STRING: 5F 82 E8 02
// BGP4V2-MIB::bgp4V2PeerRemoteAddr.2.16.42.2.11.112.0.0.5.3.0.0.0.0.0.0.0.2 = Hex-STRING: 2A 02 0B 70 00 00 05 03 00 00 00 00 00 00 00 02
// BGP4V2-MIB::bgp4V2PeerRemoteAddr.1.ipv6.254.128.0.0.0.0.0.0.142.71.190.255.254.109.54.145 = Hex-STRING: FE 80 00 00 00 00 00 00 8E 47 BE FF FE 6D 36 91
// 1. bgp4V2PeerInstance
$peer['bgp4V2PeerInstance'] = array_shift($index_parts);
// 2. length of the IP address
array_shift($index_parts);
$ip_len = safe_count($index_parts);
// 3. bgp4V2PeerRemoteAddr
$peer_ip = implode('.', $index_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if ($peer_addr_type = get_ip_version($peer_ip)) {
$peer['bgp4V2PeerRemoteAddr'] = $peer_ip;
$peer['bgp4V2PeerRemoteAddrType'] = 'ipv' . $peer_addr_type;
}
// print_debug_vars($ip_len);
// print_debug_vars($peer_ip);
// print_debug_vars($peer);
break;
case 'FOUNDRY-BGP4V2-MIB': // BGP4V2-MIB draft
// 1. bgp4V2PeerInstance
$peer['bgp4V2PeerInstance'] = array_shift($index_parts);
// 2. bgp4V2PeerLocalAddrType
$local_addr_type = array_shift($index_parts);
if (safe_empty($peer['bgp4V2PeerLocalAddrType'])) {
$peer['bgp4V2PeerLocalAddrType'] = $local_addr_type;
}
if (isset($address_types[$peer['bgp4V2PeerLocalAddrType']])) {
$peer['bgp4V2PeerLocalAddrType'] = $address_types[$peer['bgp4V2PeerLocalAddrType']];
}
// 3. length of the local IP address
$ip_len = array_shift($index_parts);
// 4. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 5. bgp4V2PeerLocalAddr
$local_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$local_ip = snmp2ipv6($local_ip);
}
if (get_ip_version($local_ip)) {
$peer['bgp4V2PeerLocalAddr'] = $local_ip;
}
// Get second part of index
$index_parts = array_slice($index_parts, $ip_len);
$peer_addr_type = array_shift($index_parts);
if (safe_empty($peer['bgp4V2PeerRemoteAddrType'])) {
$peer['bgp4V2PeerRemoteAddrType'] = $peer_addr_type;
}
if (isset($address_types[$peer['bgp4V2PeerRemoteAddrType']])) {
$peer['bgp4V2PeerRemoteAddrType'] = $address_types[$peer['bgp4V2PeerRemoteAddrType']];
}
// 6. length of the IP address
$ip_len = array_shift($index_parts);
// 7. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 8. bgp4V2PeerRemoteAddr
$peer_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if ($peer_addr_type = get_ip_version($peer_ip)) {
$peer['bgp4V2PeerRemoteAddr'] = $peer_ip;
$peer['bgp4V2PeerRemoteAddrType'] = 'ipv' . $peer_addr_type;
}
break;
case 'HUAWEI-BGP-VPN-MIB':
// HUAWEI-BGP-VPN-MIB::hwBgpPeerVrfName.0.ipv4.unicast.ipv4."10.100.0.5" = STRING: "Public"
// HUAWEI-BGP-VPN-MIB::hwBgpPeerVrfName.0.1.1.1.4.10.100.0.5 = STRING: "Public"
// 1. hwBgpPeerInstanceId
$peer['hwBgpPeerInstanceId'] = array_shift($index_parts);
// 2. hwBgpPeerAddrFamilyAfi
$afi = array_shift($index_parts);
$afis = [ 1 => 'ipv4', 2 => 'ipv6', 25 => 'vpls', 196 => 'l2vpn' ]; // Huawei specific AFI numbers (HWBgpAfi)
if (isset($afis[$afi])) {
$peer['hwBgpPeerAddrFamilyAfi'] = $afis[$afi];
} else {
// or use common afis
$peer['hwBgpPeerAddrFamilyAfi'] = $config['routing_afis'][$afi];
}
// 3. hwBgpPeerAddrFamilySafi
$safi = array_shift($index_parts);
$safis = [ 1 => 'unicast', 2 => 'multicast', 4 => 'mpls', 5 => 'mcast-vpn',
65 => 'vpls', 66 => 'mdt', 128 => 'vpn', 132 => 'route-target']; // Huawei specific SAFI numbers (HWBgpSafi)
if (isset($safis[$safi])) {
$peer['hwBgpPeerAddrFamilySafi'] = $safis[$safi];
} else {
// or use common safi
$peer['hwBgpPeerAddrFamilySafi'] = $config['routing_safis'][$safi];
}
// 4. hwBgpPeerRemoteAddrType (hwBgpPeerType)
$peer_addr_type = array_shift($index_parts);
if (isset($address_types[$peer_addr_type])) {
$peer['hwBgpPeerRemoteAddrType'] = $address_types[$peer_addr_type];
}
// 5. hwBgpPeerRemoteAddr
$ip_len = array_shift($index_parts);
$ip_parts = $index_parts;
$remote_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$remote_ip = snmp2ipv6($remote_ip);
}
if ($peer_addr_type = get_ip_version($remote_ip)) {
$peer['hwBgpPeerRemoteAddr'] = $remote_ip;
$peer['hwBgpPeerRemoteIdentifier'] = $peer['hwBgpPeerRemoteAddr'];
if (safe_empty($peer['hwBgpPeerRemoteAddrType'])) {
$peer['hwBgpPeerRemoteAddrType'] = 'ipv' . $peer_addr_type;
}
}
break;
case 'BGP4-V2-MIB-JUNIPER':
// 1. jnxBgpM2PeerRoutingInstance
$peer['jnxBgpM2PeerRoutingInstance'] = array_shift($index_parts);
// 2. jnxBgpM2PeerLocalAddrType
$local_addr_type = array_shift($index_parts);
if (safe_empty($peer['jnxBgpM2PeerLocalAddrType'])) {
$peer['jnxBgpM2PeerLocalAddrType'] = $local_addr_type;
}
if (isset($address_types[$peer['jnxBgpM2PeerLocalAddrType']])) {
$peer['jnxBgpM2PeerLocalAddrType'] = $address_types[$peer['jnxBgpM2PeerLocalAddrType']];
}
// 3. length of the local IP address
$ip_len = str_contains($peer['jnxBgpM2PeerLocalAddrType'], 'ipv6') ? 16 : 4;
// 4. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 5. jnxBgpM2PeerLocalAddr
$local_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$local_ip = snmp2ipv6($local_ip);
}
if (get_ip_version($local_ip)) {
$peer['jnxBgpM2PeerLocalAddr'] = $local_ip;
}
// Get second part of index
$index_parts = array_slice($index_parts, $ip_len);
// 6. jnxBgpM2PeerRemoteAddrType
$peer_addr_type = array_shift($index_parts);
if (safe_empty($peer['jnxBgpM2PeerRemoteAddrType'])) {
$peer['jnxBgpM2PeerRemoteAddrType'] = $peer_addr_type;
}
if (isset($address_types[$peer['jnxBgpM2PeerRemoteAddrType']])) {
$peer['jnxBgpM2PeerRemoteAddrType'] = $address_types[$peer['jnxBgpM2PeerRemoteAddrType']];
}
// 7. length of the remote IP address
$ip_len = str_contains($peer['jnxBgpM2PeerRemoteAddrType'], 'ipv6') ? 16 : 4;
// 8. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 9. jnxBgpM2PeerRemoteAddr
$peer_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if (get_ip_version($peer_ip)) {
$peer['jnxBgpM2PeerRemoteAddr'] = $peer_ip;
}
break;
case 'DELLEMC-OS10-BGP4V2-MIB':
// 1. os10bgp4V2PeerInstance
$peer['os10bgp4V2PeerInstance'] = array_shift($index_parts);
// 2. os10bgp4V2PeerRemoteAddrType
$peer_addr_type = array_shift($index_parts);
if (safe_empty($peer['os10bgp4V2PeerRemoteAddrType'])) {
$peer['os10bgp4V2PeerRemoteAddrType'] = $peer_addr_type;
}
if (isset($address_types[$peer['os10bgp4V2PeerRemoteAddrType']])) {
$peer['os10bgp4V2PeerRemoteAddrType'] = $address_types[$peer['os10bgp4V2PeerRemoteAddrType']];
}
// 3. length of the remote IP address
$ip_len = array_shift($index_parts);
// 4. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 5. os10bgp4V2PeerRemoteAddr
$peer_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if (get_ip_version($peer_ip)) {
$peer['os10bgp4V2PeerRemoteAddr'] = $peer_ip;
}
break;
case 'FORCE10-BGP4-V2-MIB':
// 1. f10BgpM2PeerInstance
$peer['f10BgpM2PeerInstance'] = array_shift($index_parts);
// 2. f10BgpM2PeerLocalAddrType
$local_addr_type = array_shift($index_parts);
if (safe_empty($peer['f10BgpM2PeerLocalAddrType'])) {
$peer['f10BgpM2PeerLocalAddrType'] = $local_addr_type;
}
if (isset($address_types[$peer['f10BgpM2PeerLocalAddrType']])) {
$peer['f10BgpM2PeerLocalAddrType'] = $address_types[$peer['f10BgpM2PeerLocalAddrType']];
}
// 3. length of the local IP address
$ip_len = str_contains($peer['f10BgpM2PeerLocalAddrType'], 'ipv6') ? 16 : 4;
// 4. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 5. f10BgpM2PeerLocalAddr
$local_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$local_ip = snmp2ipv6($local_ip);
}
if (get_ip_version($local_ip)) {
$peer['f10BgpM2PeerLocalAddr'] = $local_ip;
}
// Get second part of index
$index_parts = array_slice($index_parts, $ip_len);
// 6. f10BgpM2PeerRemoteAddrType
$peer_addr_type = array_shift($index_parts);
if (safe_empty($peer['f10BgpM2PeerRemoteAddrType'])) {
$peer['f10BgpM2PeerRemoteAddrType'] = $peer_addr_type;
}
if (isset($address_types[$peer['f10BgpM2PeerRemoteAddrType']])) {
$peer['f10BgpM2PeerRemoteAddrType'] = $address_types[$peer['f10BgpM2PeerRemoteAddrType']];
}
// 7. length of the remote IP address
$ip_len = str_contains($peer['f10BgpM2PeerRemoteAddrType'], 'ipv6') ? 16 : 4;
// 8. IP address
$ip_parts = array_slice($index_parts, 0, $ip_len);
// 9. f10BgpM2PeerRemoteAddr
$peer_ip = implode('.', $ip_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if (get_ip_version($peer_ip)) {
$peer['f10BgpM2PeerRemoteAddr'] = $peer_ip;
}
break;
case 'VIPTELA-OPER-BGP':
// 1. bgpBgpNeighborVpnId
$peer['bgpBgpNeighborVpnId'] = array_shift($index_parts);
// 2. hwBgpPeerRemoteAddr
$ip_len = safe_count($index_parts);
$peer_ip = implode('.', $index_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
if ($peer_addr_type = get_ip_version($peer_ip)) {
$peer['bgpBgpNeighborPeerAddr'] = $peer_ip;
$peer['bgpBgpNeighborPeerAddrType'] = 'ipv' . $peer_addr_type;
}
break;
case 'FIREBRICK-BGP-MIB':
$peer_type = array_shift($index_parts);
if (isset($address_types[$peer_type])) {
$peer['fbBgpPeerAddressType'] = $address_types[$peer_type];
}
$ip_len = array_shift($index_parts);
$peer_ip = implode('.', $index_parts);
if ((int)$ip_len === 16) {
$peer_ip = snmp2ipv6($peer_ip);
}
$peer['fbBgpPeerAddress'] = $peer_ip;
break;
}
}
function bgp_fix_peer($device, &$peer, $mib)
{
switch ($mib) {
case 'BGP4-MIB':
if ($device['os'] === 'arista_eos' && !empty($device['version']) &&
version_compare($device['version'], '4.23.0', '>=') && version_compare($device['version'], '4.25.0', '<')) {
// It seems as firmware issue, always report as halted
// See: https://jira.observium.org/browse/OBS-4382
// Opposite case: https://jira.observium.org/browse/OBS-4398
if ($peer['bgpPeerAdminStatus'] === 'stop' && $peer['bgpPeerState'] !== 'idle') {
// running: established, connect, active (not sure about opensent, openconfirm)
print_debug("Fixed Arista issue, BGP4-MIB::bgpPeerAdminStatus always report halted");
$peer['bgpPeerAdminStatus'] = 'start';
} elseif ($peer['bgpPeerAdminStatus'] === 'start' && $peer['bgpPeerState'] === 'idle') {
print_debug("Fixed Arista issue, BGP4-MIB::bgpPeerAdminStatus report running for shutdown");
$peer['bgpPeerAdminStatus'] = 'stop';
}
}
$peer_as = snmp_dewrap32bit($peer['bgpPeerRemoteAs']); // Dewrap for 32bit ASN
if ($peer_as > $peer['bgpPeerRemoteAs']) {
$peer['bgpPeerRemoteAs'] = $peer_as;
}
break;
case 'ARISTA-BGP4V2-MIB':
if (!empty($device['version']) &&
version_compare($device['version'], '4.23.0', '>=') && version_compare($device['version'], '4.25.0', '<')) {
// It seems as firmware issue, always report as halted
// See: https://jira.observium.org/browse/OBS-4382
// Opposite case: https://jira.observium.org/browse/OBS-4398
if ($peer['aristaBgp4V2PeerAdminStatus'] === 'halted' && $peer['aristaBgp4V2PeerState'] !== 'idle') {
// running: established, connect, active (not sure about opensent, openconfirm)
print_debug("Fixed Arista issue, ARISTA-BGP4V2-MIB::aristaBgp4V2PeerAdminStatus always report halted");
$peer['aristaBgp4V2PeerAdminStatus'] = 'running';
} elseif ($peer['aristaBgp4V2PeerAdminStatus'] === 'running' && $peer['aristaBgp4V2PeerState'] === 'idle') {
print_debug("Fixed Arista issue, ARISTA-BGP4V2-MIB::aristaBgp4V2PeerAdminStatus report running for shutdown");
$peer['aristaBgp4V2PeerAdminStatus'] = 'halted';
}
}
break;
case 'HUAWEI-BGP-VPN-MIB':
if (!isset($peer['hwBgpPeerAdminStatus'])) {
// Always set this Oid to start, while not really exist and while peer entry exist in this table
$peer['hwBgpPeerAdminStatus'] = 'start';
}
break;
case 'DELLEMC-OS10-BGP4V2-MIB':
// Uptimes really reported with x100 multiplier
if (isset($peer['os10bgp4V2PeerFsmEstablishedTime'])) {
$peer['os10bgp4V2PeerFsmEstablishedTime'] *= 0.01;
}
if (isset($peer['os10bgp4V2PeerInUpdatesElapsedTime'])) {
$peer['os10bgp4V2PeerInUpdatesElapsedTime'] *= 0.01;
}
// It seems as firmware issue, always report as halted
// See: https://jira.observium.org/browse/OBS-4134
if ($peer['os10bgp4V2PeerAdminStatus'] === 'halted' && $peer['os10bgp4V2PeerState'] !== 'idle') {
// running: established, connect, active (not sure about opensent, openconfirm)
print_debug("Fixed Dell OS10 issue, DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerAdminStatus always report halted");
$peer['os10bgp4V2PeerAdminStatus'] = 'running';
} elseif ($peer['os10bgp4V2PeerAdminStatus'] === 'running' && $peer['os10bgp4V2PeerState'] === 'idle') {
// See: https://jira.observium.org/browse/OBS-4280
/*
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerAdminStatus.1.ipv4."255.79.16.154" = INTEGER: halted(1)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerAdminStatus.1.ipv4."255.118.129.119" = INTEGER: running(2)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerAdminStatus.1.ipv4."254.145.182.212" = INTEGER: halted(1)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerAdminStatus.1.ipv4."254.145.182.214" = INTEGER: halted(1)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerState.1.ipv4."255.79.16.154" = INTEGER: established(6)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerState.1.ipv4."255.118.129.119" = INTEGER: idle(1)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerState.1.ipv4."254.145.182.212" = INTEGER: established(6)
* DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerState.1.ipv4."254.145.182.214" = INTEGER: established(6)
*/
print_debug("Fixed Dell OS10 issue, DELLEMC-OS10-BGP4V2-MIB::os10bgp4V2PeerAdminStatus report running for shutdown");
$peer['os10bgp4V2PeerAdminStatus'] = 'halted';
}
break;
case 'VIPTELA-OPER-BGP':
if (!isset($peer['bgpBgpNeighborAdminState'])) {
// Always set this Oid to start, while not really exist and while peer entry exist in this table
$peer['bgpBgpNeighborAdminState'] = in_array($peer['bgpBgpNeighborState'], ['clearing', 'deleted']) ? 'stop' : 'start';
}
break;
case 'FIREBRICK-BGP-MIB':
if (!isset($peer['fbBgpPeerAdminState'])) {
// Always set this Oid to start, while not really exist and while peer entry exist in this table
$peer['fbBgpPeerAdminState'] = in_array($peer['fbBgpPeerState'], ['clearing', 'deleted']) ? 'stop' : 'start';
}
break;
}
}
function discovery_bgp_afisafi($device, $peer, $afi, $safi, &$af_list)
{
global $table_rows;
$index = $peer['index'];
$peer_id = $peer['id'];
$peer_ip = $peer['ip'];
$peer_as = $peer['as'];
if (isset($GLOBALS['config']['routing_afis'][$afi])) {
$afi = $GLOBALS['config']['routing_afis'][$afi]['name'];
}
if (isset($GLOBALS['config']['routing_safis'][$safi])) {
$safi = $GLOBALS['config']['routing_safis'][$safi]['name'];
}
print_debug("INDEX: $index, AS: $peer_as, IP: $peer_ip, AFI: $afi, SAFI: $safi");
print_debug_vars($peer);
$af_list[$peer_id][$afi][$safi] = 1;
if (!safe_empty($table_rows[$peer_ip][4])) {
$table_rows[$peer_ip][4] .= ', ';
}
$table_rows[$peer_ip][4] .= $afi . '.' . $safi;
if (!dbExist('bgpPeers_cbgp', '`device_id` = ? AND `bgpPeer_id` = ? AND `afi` = ? AND `safi` = ?', [$device['device_id'], $peer_id, $afi, $safi])) {
$params = ['bgpPeer_id' => $peer_id, 'device_id' => $device['device_id'], 'bgpPeerIndex' => $index, 'afi' => $afi, 'safi' => $safi];
dbInsert($params, 'bgpPeers_cbgp');
} elseif (!safe_empty($index)) {
// Update Index
dbUpdate(['bgpPeerIndex' => $index], 'bgpPeers_cbgp', 'device_id = ? AND `bgpPeer_id` = ? AND `afi` = ? AND `safi` = ?', [$device['device_id'], $peer_id, $afi, $safi]);
}
}
/**
* Get AS Number description.
*
* @param string|integer $asn
* @return string
*/
function get_astext($asn) {
global $config, $cache;
if (!is_intnum($asn)) {
$asn = ltrim($asn, 'asAS ');
//$asn = bgp_asdot_to_asplain($asn);
}
// Fetch pre-set AS text from config first
if (isset($config['astext'][$asn])) {
return $config['astext'][$asn];
}
if (is_bgp_as_private($asn)) {
return '';
}
// Not preconfigured, check cache before doing a new DNS request
if (!isset($cache['astext'][$asn])) {
$result = dns_get_record("AS$asn.asn.cymru.com", DNS_TXT);
print_debug_vars($result);
$txt = explode('|', $result[0]['txt']);
$cache['astext'][$asn] = trim(str_replace('"', '', $txt[4]));
}
return $cache['astext'][$asn];
}
/**
* Get ASN by IP address
*
* @param string $ip
* @return string|false
*/
function get_ipas($ip) {
global $config, $cache;
$ip_type = get_ip_type($ip);
// Can set custom ASN associations for private nets
if (!safe_empty($config['asnet'])) {
foreach ($config['asnet'] as $asn => $as_nets) {
if (match_network($ip, (array)$as_nets)) {
return $asn;
}
}
}
if (!$ip_type || in_array($ip_type, [ 'unspecified', 'loopback', 'private' ])) {
return FALSE;
}
$ip = ip_uncompress($ip);
if (!isset($cache['ipas'][$ip])) {
if (str_contains($ip, ':')) {
// IPv6
$ip_array = str_split(str_replace(':', '', $ip));
$dns_host = implode('.', array_reverse($ip_array)) . '.origin6.asn.cymru.com';
} else {
// IPv4
$ip_array = explode('.', $ip);
$dns_host = implode('.', array_reverse($ip_array)) . '.origin.asn.cymru.com';
}
$result = dns_get_record($dns_host, DNS_TXT);
print_debug_vars($result);
$txt = explode('|', $result[0]['txt']);
$cache['ipas'][$ip] = trim(str_replace('"', '', $txt[0]));
}
return $cache['ipas'][$ip];
}
function get_peer_remote_device_id($peer, $peer_devices, $peer_ip_where) {
// Search a remote device if possible
//$peer_addr_version = get_ip_version($peer['ip']);
$peer_addr_type = get_ip_type($peer['ip']);
$peer_local_type = get_ip_type($peer['local_ip']);
if (!in_array($peer_addr_type, [ 'unspecified', 'loopback' ]) &&
!in_array($peer_local_type, [ 'unspecified', 'loopback' ])) {
//if ($tmp_id = dbFetchCell('SELECT `device_id` FROM `bgpPeers` WHERE `bgpPeerLocalAddr` = ? AND `bgpPeerRemoteAs` = ? AND `bgpPeerRemoteAddr` = ?' . $peer_as_where, array($peer['ip'], $bgpLocalAs, $peer['local_ip'])))
print_debug("bgpPeerLocalAddr: " . $peer['ip'] . ", bgpPeerRemoteAddr: " . $peer['local_ip']);
if (isset($peer_devices[$peer['ip']][$peer['local_ip']])) {
// Simple search remote device by Local IP and Local AS and Remote IP
//$peer_device_id = $tmp_id;
return $peer_devices[$peer['ip']][$peer['local_ip']];
}
if ($ids = get_entity_ids_ip_by_network('device', $peer['ip'], $peer_ip_where)) {
// Fetch all devices with peer IP
// Peer device will found if device UP and NOT DISABLED, port with IP is UP, bgpLocalAs present on remote device
/*
foreach($ids as $tmp_id)
{
//if (dbFetchCell('SELECT COUNT(*) FROM `bgpPeers` WHERE `device_id` = ? AND `bgpPeerRemoteAs` = ?', array($tmp_id, $bgpLocalAs)))
if (dbExist('bgpPeers', '`device_id` = ? AND `bgpPeerRemoteAs` = ?', array($tmp_id, $bgpLocalAs)))
{
// Validate if bgpLocalAs also present on remote device
$peer_device_id = $tmp_id;
break; // Found, stop loop
}
}
*/
return array_shift($ids);
}
}
return NULL;
}
function discover_vrf($device, $vrf)
{
global $cache_discovery, $valid, $table_rows;
$module = 'vrf';
if (empty($vrf['vrf_name'])) {
return;
}
$vrf_name = $vrf['vrf_name'];
// Pre-cache VRFs from DB
if (!isset($cache_discovery['vrf_db'])) {
$cache_discovery['vrf_db'] = [];
foreach (dbFetchRows("SELECT * FROM `vrfs` WHERE `device_id` = ?", [$device['device_id']]) as $entry) {
// Strange case with duplicate entries: https://jira.observium.org/browse/OBS-3600
if (isset($cache_discovery['vrf_db'][$entry['vrf_name']])) {
print_debug("Duplicate VRF entry in DB found: " . $entry['vrf_name']);
print_debug_vars($entry);
dbDelete('vrfs', '`vrf_id` = ?', [$entry['vrf_id']]);
continue;
}
$cache_discovery['vrf_db'][$entry['vrf_name']] = $entry;
}
}
$params_main = ['vrf_mib', 'vrf_name', 'vrf_descr', 'vrf_rd'];
$params_state = ['vrf_admin_status', 'vrf_oper_status',
'vrf_active_ports', 'vrf_total_ports',
'vrf_added_routes', 'vrf_deleted_routes', 'vrf_total_routes'];
$insert_array = ['device_id' => $device['device_id']];
foreach ($params_main as $param) {
$insert_array[$param] = $vrf[$param] ?? '';
}
// Set added/changed params
$current_time = (int)time();
$param = 'vrf_added';
$insert_array[$param] = isset($vrf[$param]) && $vrf[$param] < $current_time ? (int)$vrf[$param] : $device['last_rebooted'];
if (!isset($cache_discovery['vrf_db'][$vrf['vrf_name']])) {
// Added
$param = 'vrf_last_change';
$insert_array[$param] = isset($vrf[$param]) && $vrf[$param] < $current_time ? (int)$vrf[$param] : $current_time;
// When insert, also add state params
foreach ($params_state as $param) {
if (isset($vrf[$param])) {
// When not set, use db default
$insert_array[$param] = $vrf[$param];
}
}
$vrf_id = dbInsert($insert_array, 'vrfs');
$GLOBALS['module_stats'][$module]['added']++; //echo "+";
} else {
// Compare/update
$update_array = [];
$entry = $cache_discovery['vrf_db'][$vrf['vrf_name']];
$vrf_id = $entry['vrf_id'];
foreach ($params_main as $param) {
if ($insert_array[$param] !== $entry[$param]) {
$update_array[$param] = $insert_array[$param];
}
}
// Update old entries (after migrate)
if (empty($entry['vrf_added'])) {
// State params
foreach ($params_state as $param) {
if (isset($vrf[$param])) {
// When not set, use db default
$update_array[$param] = $vrf[$param];
}
}
$update_array['vrf_added'] = $insert_array['vrf_added'];
$update_array['vrf_last_change'] = isset($vrf['vrf_last_change']) && $vrf['vrf_last_change'] < $current_time ? (int)$vrf['vrf_last_change'] : $current_time;
} else {
if (count($update_array)) {
$update_array['vrf_last_change'] = isset($vrf['vrf_last_change']) && $vrf['vrf_last_change'] < $current_time ? (int)$vrf['vrf_last_change'] : $current_time;
}
// For old entries only validate added/changed times (more than 60 sec)
/*foreach ([ 'vrf_added', 'vrf_last_change' ] as $param) {
foreach ([ 'vrf_last_change' ] as $param) {
if (abs($insert_array[$param] - $entry[$param]) > 60)
{
$update_array[$param] = $insert_array[$param];
print_debug("$param: ".$insert_array[$param]." - ".$entry[$param]." = ".($insert_array[$param] - $entry[$param]));
}
}
*/
}
if (safe_count($update_array)) {
dbUpdate($update_array, 'vrfs', '`vrf_id` = ?', [$vrf_id]);
$GLOBALS['module_stats'][$module]['updated']++;
} else {
$GLOBALS['module_stats'][$module]['unchanged']++;
}
}
$valid['vrf'][$vrf_name] = $vrf_id;
// VRF ports
if (safe_count($vrf['ifIndex'])) {
$db_update = [];
foreach ($vrf['ifIndex'] as $ifIndex) {
if ($port = get_port_by_index_cache($device, $ifIndex)) {
$db_update[] = ['port_id' => $port['port_id'], 'ifIndex' => $port['ifIndex'], 'device_id' => $device['device_id'], 'ifVrf' => $vrf_id];
$valid['vrf-ports'][$vrf_name][$port['port_id']] = $vrf_id;
}
}
dbUpdateMulti($db_update, 'ports', ['ifVrf']);
}
}
/**
* This array used by html_highlight()
* @param $device
*
* @return void
*/
function bgp_links_cache($device) {
global $cache;
// Create entity links arrays
if (!isset($cache['entity_links']['bgp'])) {
$cache['entity_links']['bgp'] = [];
}
$bgp_links = &$cache['entity_links']['bgp'];
// Highlight port links
if (isset($bgp_links[$device['device_id']])) {
return;
}
// if (!isset($device['os'])) {
// // Need os field.
// $device = device_by_id_cache($device['device_id']);
// }
$bgp_links[$device['device_id']] = [];
//SELECT `bgpPeer_id`, `bgpPeerRemoteAs`, `bgpPeerIdentifier`, `bgpPeerRemoteAddr` FROM `bgpPeers` WHERE `device_id` = 2
foreach (dbFetchRows('SELECT * FROM `bgpPeers` WHERE `device_id` = ?', [$device['device_id']]) as $bgp_descr) {
$search = [];
foreach ([ 'bgpPeerIdentifier', 'bgpPeerRemoteAddr' ] as $param) {
if ($bgp_descr[$param] === '0.0.0.0') {
continue;
}
// Cisco Specific (and common)
$search[] = 'Nbr ' . $bgp_descr[$param];
$search[] = 'Neighbor ' . $bgp_descr[$param];
// JunOS specific
$search[] = 'BGP peer ' . $bgp_descr[$param];
if (get_ip_version($bgp_descr[$param]) === 6) {
// For IPv6 append compressed form
$bgp_descr[$param] = ip_compress($bgp_descr[$param]);
$search[] = 'Nbr ' . $bgp_descr[$param];
$search[] = 'Neighbor ' . $bgp_descr[$param];
$search[] = 'BGP peer ' . $bgp_descr[$param];
}
}
$bgp_links[$device['device_id']][] = [
'search' => $search,
'replace' => generate_entity_link('bgp_peer', $bgp_descr, '$2')
];
// Additionally append AS text
if ($bgp_descr['astext'] && !isset($bgp_links[$device['device_id']]['as' . $bgp_descr['bgpPeerRemoteAs']])) {
$bgp_links[$device['device_id']]['as' . $bgp_descr['bgpPeerRemoteAs']] = [
'search' => [ 'AS ' . $bgp_descr['bgpPeerRemoteAs'], 'AS: ' . $bgp_descr['bgpPeerRemoteAs'], 'AS' . $bgp_descr['bgpPeerRemoteAs'] ],
'replace' => generate_tooltip_link('', '$2', $bgp_descr['astext'])
];
}
}
}
// EOF