mirror of
https://github.com/librenms/librenms.git
synced 2024-09-28 22:06:25 +00:00
1000 lines
28 KiB
PHP
1000 lines
28 KiB
PHP
<?php
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// If anybody has again the idea to implement the PHP internal library calls,
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// be aware that it was tried and banned by lead dev Adam
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//
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// TRUE STORY. THAT SHIT IS WHACK. -- adama.
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function string_to_oid($string)
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{
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$oid = strlen($string);
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for($i = 0; $i != strlen($string); $i++)
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{
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$oid .= ".".ord($string[$i]);
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}
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return $oid;
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}
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function mibdir($mibdir)
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{
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global $config;
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return " -M " . ($mibdir ? $mibdir : $config['mibdir']);
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}
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function snmp_get_multi($device, $oids, $options = "-OQUs", $mib = NULL, $mibdir = NULL)
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{
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global $debug,$config,$runtime_stats,$mibs_loaded;
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if (is_numeric($device['timeout']) && $device['timeout'] > 0)
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{
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$timeout = $device['timeout'];
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} elseif (isset($config['snmp']['timeout'])) {
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$timeout = $config['snmp']['timeout'];
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}
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if (is_numeric($device['retries']) && $device['retries'] > 0)
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{
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$retries = $device['retries'];
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} elseif (isset($config['snmp']['retries'])) {
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$retries = $config['snmp']['retries'];
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}
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if (!isset($device['transport']))
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{
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$device['transport'] = "udp";
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}
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$cmd = $config['snmpget'];
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$cmd .= snmp_gen_auth ($device);
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if ($options) { $cmd .= " " . $options; }
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if ($mib) { $cmd .= " -m " . $mib; }
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$cmd .= mibdir($mibdir);
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if (isset($timeout)) { $cmd .= " -t " . $timeout; }
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if (isset($retries)) { $cmd .= " -r " . $retries; }
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$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port'];
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$cmd .= " ".$oids;
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if (!$debug) { $cmd .= " 2>/dev/null"; }
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$data = trim(external_exec($cmd));
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$runtime_stats['snmpget']++;
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$array = array();
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foreach (explode("\n", $data) as $entry)
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{
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list($oid,$value) = explode("=", $entry, 2);
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$oid = trim($oid); $value = trim($value);
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list($oid, $index) = explode(".", $oid,2);
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if (!strstr($value, "at this OID") && isset($oid) && isset($index))
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{
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$array[$index][$oid] = $value;
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}
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}
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return $array;
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}
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function snmp_get($device, $oid, $options = NULL, $mib = NULL, $mibdir = NULL)
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{
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global $debug,$config,$runtime_stats,$mibs_loaded;
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if (is_numeric($device['timeout']) && $device['timeout'] > 0)
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{
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$timeout = $device['timeout'];
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} elseif (isset($config['snmp']['timeout'])) {
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$timeout = $config['snmp']['timeout'];
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}
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if (is_numeric($device['retries']) && $device['retries'] > 0)
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{
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$retries = $device['retries'];
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} elseif (isset($config['snmp']['retries'])) {
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$retries = $config['snmp']['retries'];
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}
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if (!isset($device['transport']))
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{
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$device['transport'] = "udp";
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}
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if (strstr($oid,' '))
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{
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echo(report_this_text("snmp_get called for multiple OIDs: $oid"));
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}
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$cmd = $config['snmpget'];
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$cmd .= snmp_gen_auth ($device);
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if ($options) { $cmd .= " " . $options; }
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if ($mib) { $cmd .= " -m " . $mib; }
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$cmd .= mibdir($mibdir);
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if (isset($timeout)) { $cmd .= " -t " . $timeout; }
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if (isset($retries)) { $cmd .= " -r " . $retries; }
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$cmd .= " " . $device['transport'].":".$device['hostname'].":".$device['port'];
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$cmd .= " " . $oid;
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if (!$debug) { $cmd .= " 2>/dev/null"; }
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$data = trim(external_exec($cmd));
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$runtime_stats['snmpget']++;
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if (is_string($data) && (preg_match("/(No Such Instance|No Such Object|No more variables left|Authentication failure)/i", $data)))
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{
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return false;
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}
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elseif ($data) { return $data; }
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else { return false; }
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}
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function snmp_walk($device, $oid, $options = NULL, $mib = NULL, $mibdir = NULL)
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{
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global $debug,$config,$runtime_stats;
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if (is_numeric($device['timeout']) && $device['timeout'] > 0)
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{
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$timeout = $device['timeout'];
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} elseif (isset($config['snmp']['timeout']))
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{
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$timeout = $config['snmp']['timeout'];
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}
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if (is_numeric($device['retries']) && $device['retries'] > 0)
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{
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$retries = $device['retries'];
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} elseif (isset($config['snmp']['retries'])) {
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$retries = $config['snmp']['retries'];
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}
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if (!isset($device['transport']))
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{
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$device['transport'] = "udp";
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}
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if ($device['snmpver'] == 'v1' || $config['os'][$device['os']]['nobulk'])
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{
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$snmpcommand = $config['snmpwalk'];
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}
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else
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{
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$snmpcommand = $config['snmpbulkwalk'];
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}
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$cmd = $snmpcommand;
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$cmd .= snmp_gen_auth ($device);
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if ($options) { $cmd .= " $options "; }
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if ($mib) { $cmd .= " -m $mib"; }
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$cmd .= mibdir($mibdir);
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if (isset($timeout)) { $cmd .= " -t " . $timeout; }
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if (isset($retries)) { $cmd .= " -r " . $retries; }
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$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." ".$oid;
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if (!$debug) { $cmd .= " 2>/dev/null"; }
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$data = trim(external_exec($cmd));
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$data = str_replace("\"", "", $data);
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if (is_string($data) && (preg_match("/No Such (Object|Instance)/i", $data)))
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{
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$data = false;
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}
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else
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{
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if (preg_match("/No more variables left in this MIB View \(It is past the end of the MIB tree\)$/",$data)) {
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# Bit ugly :-(
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$d_ex = explode("\n",$data);
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unset($d_ex[count($d_ex)-1]);
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$data = implode("\n",$d_ex);
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}
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}
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$runtime_stats['snmpwalk']++;
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return $data;
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}
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function snmpwalk_cache_cip($device, $oid, $array = array(), $mib = 0)
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{
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global $config;
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if (is_numeric($device['timeout']) && $device['timeout'] > 0)
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{
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$timeout = $device['timeout'];
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} elseif (isset($config['snmp']['timeout'])) {
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$timeout = $config['snmp']['timeout'];
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}
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if (is_numeric($device['retries']) && $device['retries'] > 0)
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{
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$retries = $device['retries'];
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} elseif (isset($config['snmp']['retries'])) {
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$retries = $config['snmp']['retries'];
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}
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if (!isset($device['transport'])) { $device['transport'] = "udp"; }
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if ($device['snmpver'] == 'v1' || $config['os'][$device['os']]['nobulk'])
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{
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$snmpcommand = $config['snmpwalk'];
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}
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else
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{
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$snmpcommand = $config['snmpbulkwalk'];
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}
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$cmd = $snmpcommand;
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$cmd .= snmp_gen_auth ($device);
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$cmd .= " -O snQ";
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if ($mib) { $cmd .= " -m $mib"; }
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$cmd .= mibdir(null);
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if (isset($timeout)) { $cmd .= " -t " . $timeout; }
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if (isset($retries)) { $cmd .= " -r " . $retries; }
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$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." ".$oid;
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if (!$debug) { $cmd .= " 2>/dev/null"; }
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$data = trim(external_exec($cmd));
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$device_id = $device['device_id'];
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#echo("Caching: $oid\n");
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foreach (explode("\n", $data) as $entry)
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{
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list ($this_oid, $this_value) = preg_split("/=/", $entry);
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$this_oid = trim($this_oid);
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$this_value = trim($this_value);
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$this_oid = substr($this_oid, 30);
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list($ifIndex,$dir,$a,$b,$c,$d,$e,$f) = explode(".", $this_oid);
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$h_a = zeropad(dechex($a));
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$h_b = zeropad(dechex($b));
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$h_c = zeropad(dechex($c));
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$h_d = zeropad(dechex($d));
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$h_e = zeropad(dechex($e));
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$h_f = zeropad(dechex($f));
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$mac = "$h_a$h_b$h_c$h_d$h_e$h_f";
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if ($dir == "1") { $dir = "input"; } elseif ($dir == "2") { $dir = "output"; }
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if ($mac && $dir)
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{
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$array[$ifIndex][$mac][$oid][$dir] = $this_value;
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}
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}
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return $array;
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}
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function snmp_cache_ifIndex($device)
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{
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// FIXME: this is not yet using our own snmp_*
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global $config;
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if (is_numeric($device['timeout']) && $device['timeout'] > 0)
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{
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$timeout = $device['timeout'];
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} elseif (isset($config['snmp']['timeout'])) {
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$timeout = $config['snmp']['timeout'];
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}
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if (is_numeric($device['retries']) && $device['retries'] > 0)
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{
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$retries = $device['retries'];
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} elseif (isset($config['snmp']['retries'])) {
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$retries = $config['snmp']['retries'];
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}
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if (!isset($device['transport'])) { $device['transport'] = "udp"; }
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if ($device['snmpver'] == 'v1' || $config['os'][$device['os']]['nobulk'])
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{
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$snmpcommand = $config['snmpwalk'];
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}
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else
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{
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$snmpcommand = $config['snmpbulkwalk'];
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}
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$cmd = $snmpcommand;
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$cmd .= snmp_gen_auth ($device);
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$cmd .= " -O Qs";
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$cmd .= mibdir(null);
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$cmd .= " -m IF-MIB ifIndex";
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if (isset($timeout)) { $cmd .= " -t " . $timeout; }
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if (isset($retries)) { $cmd .= " -r " . $retries; }
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if (!$debug) { $cmd .= " 2>/dev/null"; }
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$data = trim(external_exec($cmd));
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$device_id = $device['device_id'];
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foreach (explode("\n", $data) as $entry)
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{
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list ($this_oid, $this_value) = preg_split("/=/", $entry);
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list ($this_oid, $this_index) = explode(".", $this_oid, 2);
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$this_index = trim($this_index);
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$this_oid = trim($this_oid);
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$this_value = trim($this_value);
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if (!strstr($this_value, "at this OID") && $this_index)
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{
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$array[] = $this_value;
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}
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}
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return $array;
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}
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function snmpwalk_cache_oid($device, $oid, $array, $mib = NULL, $mibdir = NULL)
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{
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$data = snmp_walk($device, $oid, "-OQUs", $mib, $mibdir);
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foreach (explode("\n", $data) as $entry)
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{
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list($oid,$value) = explode("=", $entry, 2);
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$oid = trim($oid); $value = trim($value);
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list($oid, $index) = explode(".", $oid, 2);
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if (!strstr($value, "at this OID") && isset($oid) && isset($index))
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{
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$array[$index][$oid] = $value;
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}
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}
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return $array;
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}
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// just like snmpwalk_cache_oid except that it returns the numerical oid as the index
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// this is useful when the oid is indexed by the mac address and snmpwalk would
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// return periods (.) for non-printable numbers, thus making many different indexes appear
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// to be the same.
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function snmpwalk_cache_oid_num($device, $oid, $array, $mib = NULL, $mibdir = NULL)
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{
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$data = snmp_walk($device, $oid, "-OQUn", $mib, $mibdir);
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foreach (explode("\n", $data) as $entry)
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{
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list($oid,$value) = explode("=", $entry, 2);
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$oid = trim($oid); $value = trim($value);
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list($oid, $index) = explode(".", $oid, 2);
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if (!strstr($value, "at this OID") && isset($oid) && isset($index))
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{
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$array[$index][$oid] = $value;
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}
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}
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return $array;
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}
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function snmpwalk_cache_multi_oid($device, $oid, $array, $mib = NULL, $mibdir = NULL)
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{
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global $cache;
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if (!(is_array($cache['snmp'][$device['device_id']]) && array_key_exists($oid,$cache['snmp'][$device['device_id']])))
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{
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$data = snmp_walk($device, $oid, "-OQUs", $mib, $mibdir);
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foreach (explode("\n", $data) as $entry)
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{
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list($r_oid,$value) = explode("=", $entry, 2);
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$r_oid = trim($r_oid); $value = trim($value);
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$oid_parts = explode(".", $r_oid);
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$r_oid = $oid_parts['0'];
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$index = $oid_parts['1'];
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if (isset($oid_parts['2'])) { $index .= ".".$oid_parts['2']; }
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if (isset($oid_parts['3'])) { $index .= ".".$oid_parts['3']; }
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if (isset($oid_parts['4'])) { $index .= ".".$oid_parts['4']; }
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if (isset($oid_parts['5'])) { $index .= ".".$oid_parts['5']; }
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if (isset($oid_parts['6'])) { $index .= ".".$oid_parts['6']; }
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if (!strstr($value, "at this OID") && isset($r_oid) && isset($index))
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{
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$array[$index][$r_oid] = $value;
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}
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}
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$cache['snmp'][$device['device_id']][$oid] = $array;
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}
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return $cache['snmp'][$device['device_id']][$oid];
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}
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function snmpwalk_cache_double_oid($device, $oid, $array, $mib = NULL, $mibdir = NULL)
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{
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$data = snmp_walk($device, $oid, "-OQUs", $mib, $mibdir);
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foreach (explode("\n", $data) as $entry)
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{
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list($oid,$value) = explode("=", $entry, 2);
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$oid = trim($oid); $value = trim($value);
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list($oid, $first, $second) = explode(".", $oid);
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if (!strstr($value, "at this OID") && isset($oid) && isset($first) && isset($second))
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{
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$double = $first.".".$second;
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$array[$double][$oid] = $value;
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}
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}
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return $array;
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}
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function snmpwalk_cache_triple_oid($device, $oid, $array, $mib = NULL, $mibdir = NULL)
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{
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$data = snmp_walk($device, $oid, "-OQUs", $mib, $mibdir);
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foreach (explode("\n", $data) as $entry)
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{
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list($oid,$value) = explode("=", $entry, 2);
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$oid = trim($oid); $value = trim($value);
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list($oid, $first, $second, $third) = explode(".", $oid);
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if (!strstr($value, "at this OID") && isset($oid) && isset($first) && isset($second))
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{
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$index = $first.".".$second.".".$third;
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$array[$index][$oid] = $value;
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}
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}
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return $array;
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}
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function snmpwalk_cache_twopart_oid($device, $oid, $array, $mib = 0)
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{
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global $config;
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if (is_numeric($device['timeout']) && $device['timeout'] > 0)
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{
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$timeout = $device['timeout'];
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} elseif (isset($config['snmp']['timeout'])) {
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$timeout = $config['snmp']['timeout'];
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}
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if (is_numeric($device['retries']) && $device['retries'] > 0)
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{
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$retries = $device['retries'];
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} elseif (isset($config['snmp']['retries'])) {
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$retries = $config['snmp']['retries'];
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}
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if (!isset($device['transport']))
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{
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$device['transport'] = "udp";
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}
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if ($device['snmpver'] == 'v1' || $config['os'][$device['os']]['nobulk'])
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{
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$snmpcommand = $config['snmpwalk'];
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}
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else
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{
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$snmpcommand = $config['snmpbulkwalk'];
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}
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$cmd = $snmpcommand;
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$cmd .= snmp_gen_auth ($device);
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$cmd .= " -O QUs";
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$cmd .= mibdir(null);
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if ($mib) { $cmd .= " -m $mib"; }
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if (isset($timeout)) { $cmd .= " -t " . $timeout; }
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if (isset($retries)) { $cmd .= " -r " . $retries; }
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$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." ".$oid;
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if (!$debug) { $cmd .= " 2>/dev/null"; }
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$data = trim(external_exec($cmd));
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$device_id = $device['device_id'];
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foreach (explode("\n", $data) as $entry)
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{
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list($oid,$value) = explode("=", $entry, 2);
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$oid = trim($oid); $value = trim($value); $value = str_replace("\"", "", $value);
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list($oid, $first, $second) = explode(".", $oid);
|
|
if (!strstr($value, "at this OID") && isset($oid) && isset($first) && isset($second))
|
|
{
|
|
$array[$first][$second][$oid] = $value;
|
|
}
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
function snmpwalk_cache_threepart_oid($device, $oid, $array, $mib = 0)
|
|
{
|
|
global $config, $debug;
|
|
|
|
if (is_numeric($device['timeout']) && $device['timeout'] > 0)
|
|
{
|
|
$timeout = $device['timeout'];
|
|
} elseif (isset($config['snmp']['timeout'])) {
|
|
$timeout = $config['snmp']['timeout'];
|
|
}
|
|
|
|
if (is_numeric($device['retries']) && $device['retries'] > 0)
|
|
{
|
|
$retries = $device['retries'];
|
|
} elseif (isset($config['snmp']['retries'])) {
|
|
$retries = $config['snmp']['retries'];
|
|
}
|
|
|
|
if (!isset($device['transport']))
|
|
{
|
|
$device['transport'] = "udp";
|
|
}
|
|
|
|
if ($device['snmpver'] == 'v1' || $config['os'][$device['os']]['nobulk'])
|
|
{
|
|
$snmpcommand = $config['snmpwalk'];
|
|
}
|
|
else
|
|
{
|
|
$snmpcommand = $config['snmpbulkwalk'];
|
|
}
|
|
|
|
$cmd = $snmpcommand;
|
|
$cmd .= snmp_gen_auth ($device);
|
|
|
|
$cmd .= " -O QUs";
|
|
$cmd .= mibdir(null);
|
|
if ($mib) { $cmd .= " -m $mib"; }
|
|
if (isset($timeout)) { $cmd .= " -t " . $timeout; }
|
|
if (isset($retries)) { $cmd .= " -r " . $retries; }
|
|
$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." ".$oid;
|
|
if (!$debug) { $cmd .= " 2>/dev/null"; }
|
|
$data = trim(external_exec($cmd));
|
|
|
|
$device_id = $device['device_id'];
|
|
foreach (explode("\n", $data) as $entry)
|
|
{
|
|
list($oid,$value) = explode("=", $entry, 2);
|
|
$oid = trim($oid); $value = trim($value); $value = str_replace("\"", "", $value);
|
|
list($oid, $first, $second, $third) = explode(".", $oid);
|
|
if ($debug) {echo("$entry || $oid || $first || $second || $third\n"); }
|
|
if (!strstr($value, "at this OID") && isset($oid) && isset($first) && isset($second) && isset($third))
|
|
{
|
|
$array[$first][$second][$third][$oid] = $value;
|
|
}
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
function snmp_cache_slotport_oid($oid, $device, $array, $mib = 0)
|
|
{
|
|
global $config;
|
|
|
|
if (is_numeric($device['timeout']) && $device['timeout'] > 0)
|
|
{
|
|
$timeout = $device['timeout'];
|
|
} elseif (isset($config['snmp']['timeout'])) {
|
|
$timeout = $config['snmp']['timeout'];
|
|
}
|
|
|
|
if (is_numeric($device['retries']) && $device['retries'] > 0)
|
|
{
|
|
$retries = $device['retries'];
|
|
} elseif (isset($config['snmp']['retries'])) {
|
|
$retries = $config['snmp']['retries'];
|
|
}
|
|
|
|
if (!isset($device['transport']))
|
|
{
|
|
$device['transport'] = "udp";
|
|
}
|
|
|
|
if ($device['snmpver'] == 'v1' || $config['os'][$device['os']]['nobulk'])
|
|
{
|
|
$snmpcommand = $config['snmpwalk'];
|
|
}
|
|
else
|
|
{
|
|
$snmpcommand = $config['snmpbulkwalk'];
|
|
}
|
|
|
|
$cmd = $snmpcommand;
|
|
$cmd .= snmp_gen_auth ($device);
|
|
|
|
$cmd .= " -O QUs";
|
|
if ($mib) { $cmd .= " -m $mib"; }
|
|
$cmd .= mibdir(null);
|
|
if (isset($timeout)) { $cmd .= " -t " . $timeout; }
|
|
if (isset($retries)) { $cmd .= " -r " . $retries; }
|
|
$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." ".$oid;
|
|
if (!$debug) { $cmd .= " 2>/dev/null"; }
|
|
$data = trim(external_exec($cmd));
|
|
$device_id = $device['device_id'];
|
|
|
|
foreach (explode("\n", $data) as $entry)
|
|
{
|
|
$entry = str_replace($oid.".", "", $entry);
|
|
list($slotport, $value) = explode("=", $entry, 2);
|
|
$slotport = trim($slotport); $value = trim($value);
|
|
if ($array[$slotport]['ifIndex'])
|
|
{
|
|
$ifIndex = $array[$slotport]['ifIndex'];
|
|
$array[$ifIndex][$oid] = $value;
|
|
}
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
function snmp_cache_oid($oid, $device, $array, $mib = 0)
|
|
{
|
|
$array = snmpwalk_cache_oid($device, $oid, $array, $mib);
|
|
return $array;
|
|
}
|
|
|
|
function snmp_cache_port_oids($oids, $port, $device, $array, $mib=0)
|
|
{
|
|
global $config;
|
|
|
|
if (is_numeric($device['timeout']) && $device['timeout'] > 0)
|
|
{
|
|
$timeout = $device['timeout'];
|
|
} elseif (isset($config['snmp']['timeout'])) {
|
|
$timeout = $config['snmp']['timeout'];
|
|
}
|
|
|
|
if (is_numeric($device['retries']) && $device['retries'] > 0)
|
|
{
|
|
$retries = $device['retries'];
|
|
} elseif (isset($config['snmp']['retries'])) {
|
|
$retries = $config['snmp']['retries'];
|
|
}
|
|
|
|
if (!isset($device['transport']))
|
|
{
|
|
$device['transport'] = "udp";
|
|
}
|
|
|
|
foreach ($oids as $oid)
|
|
{
|
|
$string .= " $oid.$port";
|
|
}
|
|
|
|
$cmd = $config['snmpget'];
|
|
$cmd .= snmp_gen_auth ($device);
|
|
|
|
$cmd .= " -O vq";
|
|
if (isset($timeout)) { $cmd .= " -t " . $timeout; }
|
|
if (isset($retries)) { $cmd .= " -r " . $retries; }
|
|
$cmd .= mibdir(null);
|
|
if ($mib) { $cmd .= " -m $mib"; }
|
|
$cmd .= " -t " . $timeout . " -r " . $retries;
|
|
$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." ".$string;
|
|
if (!$debug) { $cmd .= " 2>/dev/null"; }
|
|
$data = trim(external_exec($cmd));
|
|
$x=0;
|
|
$values = explode("\n", $data);
|
|
#echo("Caching: ifIndex $port\n");
|
|
foreach ($oids as $oid) {
|
|
if (!strstr($values[$x], "at this OID"))
|
|
{
|
|
$array[$port][$oid] = $values[$x];
|
|
}
|
|
$x++;
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
function snmp_cache_portIfIndex($device, $array)
|
|
{
|
|
global $config;
|
|
|
|
if (is_numeric($device['timeout']) && $device['timeout'] > 0)
|
|
{
|
|
$timeout = $device['timeout'];
|
|
} elseif (isset($config['snmp']['timeout'])) {
|
|
$timeout = $config['snmp']['timeout'];
|
|
}
|
|
|
|
if (is_numeric($device['retries']) && $device['retries'] > 0)
|
|
{
|
|
$retries = $device['retries'];
|
|
} elseif (isset($config['snmp']['retries'])) {
|
|
$retries = $config['snmp']['retries'];
|
|
}
|
|
|
|
if (!isset($device['transport']))
|
|
{
|
|
$device['transport'] = "udp";
|
|
}
|
|
|
|
$cmd = $config['snmpwalk'];
|
|
$cmd .= snmp_gen_auth ($device);
|
|
|
|
$cmd .= " -CI -m CISCO-STACK-MIB -O q";
|
|
$cmd .= mibdir(null);
|
|
if (isset($timeout)) { $cmd .= " -t " . $timeout; }
|
|
if (isset($retries)) { $cmd .= " -r " . $retries; }
|
|
$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." portIfIndex";
|
|
$output = trim(external_exec($cmd));
|
|
$device_id = $device['device_id'];
|
|
|
|
foreach (explode("\n", $output) as $entry)
|
|
{
|
|
$entry = str_replace("CISCO-STACK-MIB::portIfIndex.", "", $entry);
|
|
list($slotport, $ifIndex) = explode(" ", $entry, 2);
|
|
if ($slotport && $ifIndex) {
|
|
$array[$ifIndex]['portIfIndex'] = $slotport;
|
|
$array[$slotport]['ifIndex'] = $ifIndex;
|
|
}
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
function snmp_cache_portName($device, $array)
|
|
{
|
|
global $config;
|
|
|
|
if (is_numeric($device['timeout']) && $device['timeout'] > 0)
|
|
{
|
|
$timeout = $device['timeout'];
|
|
} elseif (isset($config['snmp']['timeout'])) {
|
|
$timeout = $config['snmp']['timeout'];
|
|
}
|
|
|
|
if (is_numeric($device['retries']) && $device['retries'] > 0)
|
|
{
|
|
$retries = $device['retries'];
|
|
} elseif (isset($config['snmp']['retries'])) {
|
|
$retries = $config['snmp']['retries'];
|
|
}
|
|
|
|
if (!isset($device['transport']))
|
|
{
|
|
$device['transport'] = "udp";
|
|
}
|
|
|
|
$cmd = $config['snmpwalk'];
|
|
$cmd .= snmp_gen_auth ($device);
|
|
|
|
$cmd .= " -CI -m CISCO-STACK-MIB -O Qs";
|
|
$cmd .= mibdir(null);
|
|
if (isset($timeout)) { $cmd .= " -t " . $timeout; }
|
|
if (isset($retries)) { $cmd .= " -r " . $retries; }
|
|
$cmd .= " ".$device['transport'].":".$device['hostname'].":".$device['port']." portName";
|
|
$output = trim(external_exec($cmd));
|
|
$device_id = $device['device_id'];
|
|
#echo("Caching: portName\n");
|
|
|
|
foreach (explode("\n", $output) as $entry)
|
|
{
|
|
$entry = str_replace("portName.", "", $entry);
|
|
list($slotport, $portName) = explode("=", $entry, 2);
|
|
$slotport = trim($slotport); $portName = trim($portName);
|
|
if ($array[$slotport]['ifIndex'])
|
|
{
|
|
$ifIndex = $array[$slotport]['ifIndex'];
|
|
$array[$slotport]['portName'] = $portName;
|
|
$array[$ifIndex]['portName'] = $portName;
|
|
}
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
function snmp_gen_auth (&$device)
|
|
{
|
|
global $debug;
|
|
|
|
$cmd = "";
|
|
|
|
if ($device['snmpver'] === "v3")
|
|
{
|
|
$cmd = " -v3 -n \"\" -l " . $device['authlevel'];
|
|
|
|
if ($device['authlevel'] === "noAuthNoPriv")
|
|
{
|
|
// We have to provide a username anyway (see Net-SNMP doc)
|
|
// FIXME: There are two other places this is set - why are they ignored here?
|
|
$cmd .= " -u root";
|
|
}
|
|
elseif ($device['authlevel'] === "authNoPriv")
|
|
{
|
|
$cmd .= " -a " . $device['authalgo'];
|
|
$cmd .= " -A \"" . $device['authpass'] . "\"";
|
|
$cmd .= " -u " . $device['authname'];
|
|
}
|
|
elseif ($device['authlevel'] === "authPriv")
|
|
{
|
|
$cmd .= " -a " . $device['authalgo'];
|
|
$cmd .= " -A \"" . $device['authpass'] . "\"";
|
|
$cmd .= " -u " . $device['authname'];
|
|
$cmd .= " -x " . $device['cryptoalgo'];
|
|
$cmd .= " -X \"" . $device['cryptopass'] . "\"";
|
|
}
|
|
else
|
|
{
|
|
if ($debug) { print "DEBUG: " . $device['snmpver'] ." : Unsupported SNMPv3 AuthLevel (wtf have you done ?)\n"; }
|
|
}
|
|
}
|
|
elseif ($device['snmpver'] === "v2c" or $device['snmpver'] === "v1")
|
|
{
|
|
$cmd = " -" . $device['snmpver'];
|
|
$cmd .= " -c " . $device['community'];
|
|
}
|
|
else
|
|
{
|
|
if ($debug) { print "DEBUG: " . $device['snmpver'] ." : Unsupported SNMP Version (wtf have you done ?)\n"; }
|
|
}
|
|
|
|
if ($debug) { print "DEBUG: SNMP Auth options = $cmd\n"; }
|
|
|
|
return $cmd;
|
|
}
|
|
|
|
/*
|
|
* Translate the given MIB into a vaguely useful PHP array. Each keyword becomes an array index.
|
|
*
|
|
* Example:
|
|
* snmptranslate -Td -On -M mibs -m RUCKUS-ZD-SYSTEM-MIB RUCKUS-ZD-SYSTEM-MIB::ruckusZDSystemStatsNumSta
|
|
* .1.3.6.1.4.1.25053.1.2.1.1.1.15.30
|
|
* ruckusZDSystemStatsAllNumSta OBJECT-TYPE
|
|
* -- FROM RUCKUS-ZD-SYSTEM-MIB
|
|
* SYNTAX Unsigned32
|
|
* MAX-ACCESS read-only
|
|
* STATUS current
|
|
* DESCRIPTION "Number of All client devices"
|
|
* ::= { iso(1) org(3) dod(6) internet(1) private(4) enterprises(1) ruckusRootMIB(25053) ruckusObjects(1) ruckusZD(2) ruckusZDSystemModule(1) ruckusZDSystemMIB(1) ruckusZDSystemObjects(1)
|
|
* ruckusZDSystemStats(15) 30 }
|
|
*/
|
|
function snmp_mib_parse($oid, $mib, $module, $mibdir = null)
|
|
{
|
|
global $debug;
|
|
|
|
$lastpart = end(explode(".", $oid));
|
|
|
|
$cmd = "snmptranslate -Td -On";
|
|
$cmd .= mibdir($mibdir);
|
|
$cmd .= " -m ".$module." ".$module."::";
|
|
$cmd .= $lastpart;
|
|
|
|
$result = array();
|
|
$lines = preg_split('/\n+/', trim(shell_exec($cmd)));
|
|
foreach ($lines as $l) {
|
|
$f = preg_split('/\s+/', trim($l));
|
|
// first line is all numeric
|
|
if (preg_match('/^[\d.]+$/', $f[0])) {
|
|
$result['oid'] = $f[0];
|
|
continue;
|
|
}
|
|
// then the name of the object type
|
|
if ($f[1] && $f[1] == "OBJECT-TYPE") {
|
|
$result['object_type'] = $f[0];
|
|
continue;
|
|
}
|
|
// then the other data elements
|
|
if ($f[0] == "--" && $f[1] == "FROM") {
|
|
$result['module'] = $f[2];
|
|
continue;
|
|
}
|
|
if ($f[0] == "MAX-ACCESS") {
|
|
$result['max_access'] = $f[1];
|
|
continue;
|
|
}
|
|
if ($f[0] == "STATUS") {
|
|
$result[strtolower($f[0])] = $f[1];
|
|
continue;
|
|
}
|
|
if ($f[0] == "SYNTAX") {
|
|
$result[strtolower($f[0])] = $f[1];
|
|
continue;
|
|
}
|
|
if ($f[0] == "DESCRIPTION") {
|
|
$desc = explode('"', $l);
|
|
if ($desc[1]) {
|
|
$str = preg_replace('/^[\s.]*/', '', $desc[1]);
|
|
$str = preg_replace('/[\s.]*$/', '', $str);
|
|
$result[strtolower($f[0])] = $str;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
// This gets rid of the main mib entry that doesn't have any useful data in it
|
|
if (isset($result['syntax'])) {
|
|
$result['mib'] = $mib;
|
|
return $result;
|
|
}
|
|
else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Walks through the given MIB module, looking for the given MIB.
|
|
* NOTE: different from snmp walk - this doesn't touch the device.
|
|
* NOTE: There's probably a better way to do this with snmptranslate.
|
|
*
|
|
* Example:
|
|
* snmptranslate -Ts -M mibs -m RUCKUS-ZD-SYSTEM-MIB | grep ruckusZDSystemStats
|
|
* .iso.org.dod.internet.private.enterprises.ruckusRootMIB.ruckusObjects.ruckusZD.ruckusZDSystemModule.ruckusZDSystemMIB.ruckusZDSystemObjects.ruckusZDSystemStats
|
|
* .iso.org.dod.internet.private.enterprises.ruckusRootMIB.ruckusObjects.ruckusZD.ruckusZDSystemModule.ruckusZDSystemMIB.ruckusZDSystemObjects.ruckusZDSystemStats.ruckusZDSystemStatsNumAP
|
|
* .iso.org.dod.internet.private.enterprises.ruckusRootMIB.ruckusObjects.ruckusZD.ruckusZDSystemModule.ruckusZDSystemMIB.ruckusZDSystemObjects.ruckusZDSystemStats.ruckusZDSystemStatsNumSta
|
|
* ...
|
|
*/
|
|
function snmp_mib_walk($mib, $module, $mibdir = null)
|
|
{
|
|
$cmd = "snmptranslate -Ts";
|
|
$cmd .= mibdir($mibdir);
|
|
$cmd .= " -m ".$module;
|
|
$result = array();
|
|
$data = preg_split('/\n+/', shell_exec($cmd));
|
|
foreach ($data as $oid) {
|
|
// only include oids which are part of this mib
|
|
if (strstr($oid, $mib)) {
|
|
$obj = snmp_mib_parse($oid, $mib, $module, $mibdir);
|
|
if ($obj) {
|
|
$result[] = $obj;
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/*
|
|
* @return an array containing all of the mib objects, keyed by object-type;
|
|
* returns an empty array if something goes wrong.
|
|
*/
|
|
function snmp_mib_load($mib, $module, $mibdir = null)
|
|
{
|
|
$mibs = array();
|
|
foreach (snmp_mib_walk($mib, $module, $mibdir) as $obj) {
|
|
$mibs[$obj['object_type']] = $obj;
|
|
}
|
|
return $mibs;
|
|
}
|
|
|
|
/*
|
|
* Turn the given oid (name or numeric value) into a MODULE::mib name.
|
|
* @return an array consisting of the module and mib names, or null if no matching MIB is found.
|
|
*/
|
|
function snmp_translate($oid, $module, $mibdir = null)
|
|
{
|
|
if ($module !== "all") {
|
|
$oid = "$module::$oid";
|
|
}
|
|
$cmd = "snmptranslate" . mibdir($mibdir);
|
|
$cmd .= " -m $module $oid"; // load all the MIBs looking for our object
|
|
$cmd .= " 2>/dev/null"; // ignore invalid MIBs
|
|
|
|
$lines = preg_split('/\n+/', shell_exec($cmd));
|
|
if (!$lines) {
|
|
d_echo("No results from snmptranslate");
|
|
return null;
|
|
}
|
|
|
|
$matches = array();
|
|
if (!preg_match('/(.*)::(.*)/', $lines[0], $matches)) {
|
|
d_echo("This doesn't look like a MIB: ".$lines[0]);
|
|
return null;
|
|
}
|
|
|
|
d_echo("SNMP translated: $module::$oid -> $matches[1]::$matches[2]");
|
|
return $matches;
|
|
}
|
|
|
|
/*
|
|
* Validate MIBs and set $device['mibs'][$name] = $module based on the results.
|
|
* Can be slow due to use of snmptranslate - call only during discovery.
|
|
*/
|
|
function set_mibs($list, &$device)
|
|
{
|
|
foreach ($list as $name => $module) {
|
|
$matches = snmp_translate($name, $module);
|
|
if ($matches) {
|
|
$device['mibs'][$matches[2]] = $matches[1];
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Validate the MIB given in sysObjectId against our MIB collection. If none is found, do nothing.
|
|
* If one is found, call set_mibs() for the given MIB name & module.
|
|
*/
|
|
function set_os_mib(&$device)
|
|
{
|
|
$sysObjectId = trim(snmp_get($device, "SNMPv2-MIB::sysObjectID.0", "-Ovqn"));
|
|
if ($sysObjectId === false || $sysObjectID === "") {
|
|
return;
|
|
}
|
|
set_mibs(array($sysObjectId => "all"), $device);
|
|
}
|
|
|
|
?>
|