librenms/includes/discovery/ipv6-addresses.inc.php
Neil Lathwood 66b7077a01 fix: Updated ipv4/ipv6 discovery to exclude IPs with invalid port_ids (#6495)
* fix: Updated ipv4/ipv6 discovery to exclude IPs with invalid port_ids

* Update the valid IP sql queries to include addresses without a port

* Fix arp-table too.
2017-04-25 21:28:25 +01:00

88 lines
3.6 KiB
PHP

<?php
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'];
$oids = snmp_walk($device, 'ipAddressIfIndex.ipv6', '-Ln -Osq', 'IP-MIB');
$oids = str_replace('ipAddressIfIndex.ipv6.', '', $oids);
$oids = str_replace('"', '', $oids);
$oids = str_replace('IP-MIB::', '', $oids);
$oids = trim($oids);
foreach (explode("\n", $oids) as $data) {
if ($data) {
$data = trim($data);
list($ipv6addr,$ifIndex) = explode(' ', $data);
$oid = '';
$sep = '';
$adsep = '';
unset($ipv6_address);
$do = '0';
foreach (explode(':', $ipv6addr) as $part) {
$n = hexdec($part);
$oid = "$oid"."$sep"."$n";
$sep = '.';
$ipv6_address = $ipv6_address."$adsep".$part;
$do++;
if ($do == 2) {
$adsep = ':';
$do = '0';
} else {
$adsep = '';
}
}
$ipv6_prefixlen = snmp_get($device, ".1.3.6.1.2.1.4.34.1.5.2.16.$oid", '', 'IP-MIB');
$ipv6_prefixlen = explode('.', $ipv6_prefixlen);
$ipv6_prefixlen = str_replace('"', '', end($ipv6_prefixlen));
$ipv6_origin = snmp_get($device, ".1.3.6.1.2.1.4.34.1.6.2.16.$oid", '-Ovq', 'IP-MIB');
discover_process_ipv6($valid, $ifIndex, $ipv6_address, $ipv6_prefixlen, $ipv6_origin, $device['context_name']);
} //end if
} //end foreach
if (!$oids) {
$oids = snmp_walk($device, 'ipv6AddrPfxLength', '-Ln -Osq -OnU', 'IPV6-MIB');
$oids = str_replace('.1.3.6.1.2.1.55.1.8.1.2.', '', $oids);
$oids = str_replace('"', '', $oids);
$oids = trim($oids);
foreach (explode("\n", $oids) as $data) {
if ($data) {
$data = trim($data);
list($if_ipv6addr,$ipv6_prefixlen) = explode(' ', $data);
list($ifIndex,$ipv6addr) = explode('.', $if_ipv6addr, 2);
$ipv6_address = snmp2ipv6($ipv6addr);
$ipv6_origin = snmp_get($device, "IPV6-MIB::ipv6AddrType.$if_ipv6addr", '-Ovq', 'IPV6-MIB');
discover_process_ipv6($valid, $ifIndex, $ipv6_address, $ipv6_prefixlen, $ipv6_origin, $device['context_name']);
} //end if
} //end foreach
} //end if
$sql = 'SELECT `ipv6_addresses`.*, `ports`.`device_id`, `ports`.`ifIndex` FROM `ipv6_addresses`';
$sql .= ' LEFT JOIN `ports` ON `ipv6_addresses`.`port_id` = `ports`.`port_id`';
$sql .= ' WHERE `ports`.device_id = ? OR `ports`.`device_id` IS NULL';
foreach (dbFetchRows($sql, array($device['device_id'])) as $row) {
$full_address = $row['ipv6_address'].'/'.$row['ipv6_prefixlen'];
$port_id = $row['port_id'];
$valid_address = $full_address.'-'.$port_id;
if (!$valid['ipv6'][$valid_address]) {
echo '-';
$query = dbDelete('ipv6_addresses', '`ipv6_address_id` = ?', array($row['ipv6_address_id']));
if (!dbFetchCell('SELECT COUNT(*) FROM `ipv6_addresses` WHERE `ipv6_network_id` = ?', array($row['ipv6_network_id']))) {
$query = dbDelete('ipv6_networks', '`ipv6_network_id` = ?', array($row['ipv6_network_id']));
}
}
}
echo "\n";
unset($device['context_name']);
}
unset($vrfs_c);