mirror of
https://github.com/librenms/librenms.git
synced 2024-09-22 10:58:42 +00:00
dc1f46ac2e
git-svn-id: http://www.observium.org/svn/observer/trunk@1743 61d68cd4-352d-0410-923a-c4978735b2b8
210 lines
8.5 KiB
PHP
Executable File
210 lines
8.5 KiB
PHP
Executable File
<?php
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if ($config['enable_bgp'])
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{
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### Discover BGP peers
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echo("BGP Sessions : ");
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# FIXME convert to internal
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$as_cmd = $config['snmpwalk'] . " -M " . $config['mibdir'] . " -m BGP4-MIB -CI -Oqvn -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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$as_cmd .= ".1.3.6.1.2.1.15.2";
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$bgpLocalAs = trim(shell_exec($as_cmd));
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if(is_numeric($bgpLocalAs))
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{
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echo("AS$bgpLocalAs ");
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if($bgpLocalAs != $device['bgpLocalAs'])
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{
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mysql_query("UPDATE devices SET bgpLocalAs = '$bgpLocalAs' WHERE device_id = '".$device['device_id']."'"); echo("Updated AS ");
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}
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$peers_cmd = $config['snmpwalk'] . " -M " . $config['mibdir'] . " -m BGP4-MIB -CI -Oq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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$peers_cmd .= "BGP4-MIB::bgpPeerRemoteAs";
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$peers_data = shell_exec($peers_cmd);
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if($debug) { echo("Peers : $peers_cmd --> \n$peers_data \n"); }
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$peers = trim(str_replace("BGP4-MIB::bgpPeerRemoteAs.", "", $peers_data));
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foreach (explode("\n", $peers) as $peer)
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{
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list($peer_ip, $peer_as) = split(" ", $peer);
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if($peer && $peer_ip != "0.0.0.0")
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{
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if ($debug) { echo("Found peer $peer_ip (AS$peer_as)\n"); }
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$peerlist[] = array('ip' => $peer_ip, 'as' => $peer_as);
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}
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} # Foreach
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if ($device['os'] == "junos")
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{
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## Juniper BGP4-V2 MIB
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## FIXME: needs a big cleanup! also see below.
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$peers_cmd = $config['snmpwalk'] . " -M " . $config['mibdir'] . " -M ".$config['install_dir']."/mibs/junos -m BGP4-V2-MIB-JUNIPER -CI -Onq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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$peers_cmd .= "jnxBgpM2PeerRemoteAs.0.ipv6"; # FIXME: is .0 the only possible value here?
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$peers = trim(str_replace(".1.3.6.1.4.1.2636.5.1.1.2.1.1.1.13.0.","", `$peers_cmd`));
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foreach (explode("\n", $peers) as $peer)
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{
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list($peer_ip_snmp, $peer_as) = split(" ", $peer);
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# Magic! Basically, takes SNMP form and finds peer IPs from the walk OIDs.
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$peer_ip = Net_IPv6::compress(snmp2ipv6(implode('.',array_slice(explode('.',$peer_ip_snmp),count(explode('.',$peer_ip_snmp))-16))));
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if($peer)
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{
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if ($debug) echo("Found peer $peer_ip (AS$peer_as)\n");
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$peerlist[] = array('ip' => $peer_ip, 'as' => $peer_as);
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}
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} # Foreach
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} # OS junos
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} else {
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echo("No BGP on host");
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if($device['bgpLocalAs']) {
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mysql_query("UPDATE devices SET bgpLocalAs = NULL WHERE device_id = '".$device['device_id']."'"); echo(" (Removed ASN) ");
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} # End if
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} # End if
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## Process disovered peers
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if (isset($peerlist))
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{
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foreach ($peerlist as $peer)
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{
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$astext = get_astext($peer['as']);
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if(mysql_result(mysql_query("SELECT COUNT(*) FROM `bgpPeers` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '".$peer['ip']."'"),0) < '1')
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{
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$add = mysql_query("INSERT INTO bgpPeers (`device_id`, `bgpPeerIdentifier`, `bgpPeerRemoteAS`) VALUES ('".$device['device_id']."','".$peer['ip']."','".$peer['as']."')");
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echo("+");
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} else {
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$update = mysql_query("UPDATE `bgpPeers` SET bgpPeerRemoteAs = " . $peer['as'] . ", astext = '" . mres($astext) . "' WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '".$peer['ip']."'");
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echo(".");
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}
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if ($device['os_group'] == "ios" || $device['os'] == "junos")
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{
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if ($device['os_group'] == "ios")
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{
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## Get afi/safi and populate cbgp on cisco ios (xe/xr)
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unset($af_list);
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$af_cmd = $config['snmpwalk'] . " -M " . $config['mibdir'] . " -CI -m CISCO-BGP4-MIB -OsQ -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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$af_cmd .= "cbgpPeerAddrFamilyName." . $peer['ip'];
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$af_data = shell_exec($af_cmd);
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if($debug) { echo("afi data :: $af_cmd --> \n $af_data \n"); }
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$afs = trim(str_replace("cbgpPeerAddrFamilyName.".$peer['ip'].".", "", $af_data));
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foreach (explode("\n", $afs) as $af)
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{
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if($debug) { echo("AFISAFI = $af\n"); }
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list($afisafi, $text) = explode(" = ", $af);
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list($afi, $safi) = explode(".", $afisafi);
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if($afi && $safi)
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{
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$af_list[$afi][$safi] = 1;
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if(mysql_result(mysql_query("SELECT COUNT(*) FROM `bgpPeers_cbgp` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '".$peer['ip']."' AND afi = '$afi' AND safi = '$safi'"),0) == 0)
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{
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mysql_query("INSERT INTO `bgpPeers_cbgp` (device_id,bgpPeerIdentifier, afi, safi) VALUES ('".$device['device_id']."','".$peer['ip']."','$afi','$safi')");
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}
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}
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}
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} # os=ios
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if ($device['os'] == "junos")
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{
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$safis[1] = "unicast";
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$safis[2] = "multicast";
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if (!isset($peerIndexes))
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{
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$j_bgp = snmpwalk_cache_multi_oid($device, "jnxBgpM2PeerTable", $jbgp, "BGP4-V2-MIB-JUNIPER", $config['install_dir']."/mibs/junos");
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foreach($j_bgp as $index => $entry)
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{
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switch ($entry['jnxBgpM2PeerRemoteAddrType'])
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{
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case 'ipv4':
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$ip = long2ip(hexdec($entry['jnxBgpM2PeerRemoteAddr']));
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$j_peerIndexes[$ip] = $entry['jnxBgpM2PeerIndex'];
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break;
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case 'ipv6':
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$ip6 = trim(str_replace(' ','',$entry['jnxBgpM2PeerRemoteAddr']),'"');
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$ip6 = substr($ip6,0,4) . ':' . substr($ip6,4,4) . ':' . substr($ip6,8,4) . ':' . substr($ip6,12,4) . ':' . substr($ip6,16,4) . ':' . substr($ip6,20,4) . ':' . substr($ip6,24,4) . ':' . substr($ip6,28,4);
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$ip6 = Net_IPv6::compress($ip6);
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$j_peerIndexes[$ip6] = $entry['jnxBgpM2PeerIndex'];
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break;
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default:
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echo("PANIC: Don't know RemoteAddrType " . $entry['jnxBgpM2PeerRemoteAddrType'] . "!\n");
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break;
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}
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}
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}
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if (!isset($j_afisafi))
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{
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$j_prefixes = snmpwalk_cache_multi_oid($device, "jnxBgpM2PrefixCountersTable", $jbgp, "BGP4-V2-MIB-JUNIPER", $config['install_dir']."/mibs/junos");
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foreach (array_keys($j_prefixes) as $key)
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{
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list($index,$afisafi) = explode('.',$key,2);
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$j_afisafi[$index][] = $afisafi;
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}
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}
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foreach ($j_afisafi[$j_peerIndexes[$peer['ip']]] as $afisafi)
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{
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list ($afi,$safi) = explode('.',$afisafi); $safi = $safis[$safi];
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$af_list[$afi][$safi] = 1;
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if(mysql_result(mysql_query("SELECT COUNT(*) FROM `bgpPeers_cbgp` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '".$peer['ip']."' AND afi = '$afi' AND safi = '$safi'"),0) == 0)
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{
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mysql_query("INSERT INTO `bgpPeers_cbgp` (device_id,bgpPeerIdentifier, afi, safi) VALUES ('".$device['device_id']."','".$peer['ip']."','$afi','$safi')");
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}
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}
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} # os=junos
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$af_query = mysql_query("SELECT * FROM bgpPeers_cbgp WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '".$peer['ip']."'");
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while ($entry = mysql_fetch_array($af_query))
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{
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$afi = $entry['afi'];
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$safi = $entry['safi'];
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if (!$af_list[$afi][$safi])
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{
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mysql_query("DELETE FROM `bgpPeers_cbgp` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '".$peer['ip']."' AND afi = '$afi' AND safi = '$safi'");
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}
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} # AF list
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} # os=ios|junos
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} # Foreach
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unset($j_afisafi);
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unset($j_prefixes);
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unset($j_bgp);
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unset($j_peerIndexes);
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} # isset
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## Delete removed peers
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$sql = "SELECT * FROM bgpPeers AS B, devices AS D WHERE B.device_id = D.device_id AND D.device_id = '".$device['device_id']."'";
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$query = mysql_query($sql);
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while ($entry = mysql_fetch_array($query)) {
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unset($exists);
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$i = 0;
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while ($i < count($peerlist) && !isset($exists))
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{
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if ($peerlist[$i]['ip'] == $entry['bgpPeerIdentifier']) { $exists = 1; }
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$i++;
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}
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if(!isset($exists)) {
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mysql_query("DELETE FROM bgpPeers WHERE bgpPeer_id = '" . $entry['bgpPeer_id'] . "'");
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mysql_query("DELETE FROM bgpPeers_cbgp WHERE bgpPeer_id = '" . $entry['bgpPeer_id'] . "'");
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echo("-");
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}
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}
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unset($peerlist);
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echo("\n");
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}
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?>
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