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Added initial IPv6 Address discovery for TP-LINK Jetstream (#13484)

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* Added initial IPv6 Address discovery for TP-LINK Jetstream

* styleci cleanup

* styleci cleanup

* styleci cleanup

* split OS specific code in separate file

* styleci cleanup
This commit is contained in:
Peca Nesovanovic
2021-11-09 20:40:48 +01:00
committed by GitHub
parent 3fbe1c9aa1
commit 9f2de7d605
5 changed files with 9266 additions and 37 deletions
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80
includes/discovery/ipv6-addresses.inc.php
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@@ -1,51 +1,57 @@
<?php
use LibreNMS\Config;
foreach (DeviceCache::getPrimary()->getVrfContexts() as $context_name) {
$device['context_name'] = $context_name;
$oids = snmp_walk($device, 'ipAddressIfIndex.ipv6', ['-Osq', '-Ln'], 'IP-MIB');
$oids = str_replace('ipAddressIfIndex.ipv6.', '', $oids);
$oids = str_replace('"', '', $oids);
$oids = str_replace('IP-MIB::', '', $oids);
$oids = trim($oids);
if (file_exists(Config::get('install_dir') . "/includes/discovery/ipv6-addresses/{$device['os']}.inc.php")) {
include Config::get('install_dir') . "/includes/discovery/ipv6-addresses/{$device['os']}.inc.php";
} else {
$oids = snmp_walk($device, 'ipAddressIfIndex.ipv6', ['-Osq', '-Ln'], '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);
[$ipv6addr,$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 = '';
foreach (explode("\n", $oids) as $data) {
if ($data) {
$data = trim($data);
[$ipv6addr,$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));
$ipv6_prefixlen = snmp_get($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));
if (Str::contains($ipv6_prefixlen, 'SNMPv2-SMI::zeroDotZero')) {
d_echo('Incomplete IPv6 data in IF-MIB');
$oids = trim(Str::replaceFirst($data, '', $oids));
}
if (Str::contains($ipv6_prefixlen, 'SNMPv2-SMI::zeroDotZero')) {
d_echo('Incomplete IPv6 data in IF-MIB');
$oids = trim(Str::replaceFirst($data, '', $oids));
}
$ipv6_origin = snmp_get($device, ".1.3.6.1.2.1.4.34.1.6.2.16.$oid", '-Ovq', 'IP-MIB');
$ipv6_origin = snmp_get($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, $device['context_name']);
} //end if
} //end foreach
discover_process_ipv6($valid, $ifIndex, $ipv6_address, $ipv6_prefixlen, $ipv6_origin, $device['context_name']);
} //end if
} //end foreach
} //end 'else'
if (empty($oids)) {
$oids = snmp_walk($device, 'ipv6AddrPfxLength', ['-OsqnU', '-Ln'], 'IPV6-MIB');

44
includes/discovery/ipv6-addresses/jetstream.inc.php Normal file
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@@ -0,0 +1,44 @@
<?php
/**
* jetstream.inc.php
*
* IPv6 address discovery file for Jetstream OS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* @link https://www.librenms.org
*
* @author Peca Nesovanovic <peca.nesovanovic@sattrakt.com>
*/
$oids = snmp_walk($device, 'ipv6ParaConfigAddrTable', ['-OsQ', '-Ln', '-Cc'], 'TPLINK-IPV6ADDR-MIB');
$oids = trim($oids);
$v6data = [];
foreach (explode("\n", $oids) as $data) {
$param = explode('.', $data)[0];
$index = explode('.', $data)[1]; //iFindex
$atype = explode('.', $data)[3];
$erase = $param . '.' . $index . '.ipv6.' . $atype . '.'; //this will be erased from line
$link = trim(explode('=', str_replace($erase, '', $data))[0]);
$value = trim(explode('=', $data)[1]);
if ($param == 'ipv6ParaConfigAddress') {
$v6data[$link]['index'] = $index;
$split = str_split(str_replace(' ', '', strtolower($value)), 4); //convert space delimited hex IPv6 address to array, every forth char
$v6data[$link]['addr'] = implode(':', $split); //assemble array in 0000:1111 format
$v6data[$link]['origin'] = ($atype == 'autoIp' ? 'linklayer' : 'manual'); //address type
}
if ($param == 'ipv6ParaConfigPrefixLength') {
$prefixlen = intval($value);
discover_process_ipv6($valid, $v6data[$link]['index'], $v6data[$link]['addr'], $prefixlen, $v6data[$link]['origin'], $device['context_name']);
}
} //end foreach