function cacti_snmp_get($hostname, $community, $oid, $version, $username, $password, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER)
{
global $config;
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option("snmp_retries");
if ($retries == "") {
$retries = 3;
}
}
/* do not attempt to poll invalid combinations */
if ($version == 0 || $community == "" && $version != 3) {
return "U";
}
if (snmp_get_method($version) == SNMP_METHOD_PHP) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
if ($version == "1") {
$snmp_value = @snmpget("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == "2") {
$snmp_value = @snmp2_get("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
$snmp_value = @snmp3_get("{$hostname}:{$port}", $username, "authNoPriv", "MD5", $password, "", "", $oid, $timeout * 1000, $retries);
}
} else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER;
/* v1/v2 - community string */
} elseif ($version == "2") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER;
/* v1/v2 - community string */
$version = "2c";
/* ucd/net snmp prefers this over '2' */
} elseif ($version == "3") {
$snmp_auth = "-u {$username} -l authNoPriv -a MD5 -A {$password}";
/* v3 - username/password */
}
/* no valid snmp version has been set, get out */
if (empty($snmp_auth)) {
return;
}
if (read_config_option("snmp_version") == "ucd-snmp") {
exec(read_config_option("path_snmpget") . " -O vt -v{$version} -t {$timeout} -r {$retries} {$hostname}:{$port} {$snmp_auth} {$oid}", $snmp_value);
} else {
exec(read_config_option("path_snmpget") . " -O fntev {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} {$hostname}:{$port} {$oid}", $snmp_value);
}
}
if (isset($snmp_value)) {
/* fix for multi-line snmp output */
if (is_array($snmp_value)) {
$snmp_value = implode(" ", $snmp_value);
}
}
/* strip out non-snmp data */
$snmp_value = format_snmp_string($snmp_value);
return $snmp_value;
}
function Get($ip, $ver, $cm, $oid, $t = 1000000, $r = 2)
{
global $debug, $comms;
if ($ver == 3 and $comms[$cm]['pprot']) {
if ($debug) {
echo "<div class=\"textpad noti \">snmpget -v3 -c{$cm} " . $comms[$cm]['aprot'] . "/" . $comms[$cm]['pprot'] . " {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmp3_get($ip, $cm, 'authPriv', $comms[$cm]['aprot'], $comms[$cm]['apass'], $comms[$cm]['pprot'], $comms[$cm]['ppass'], ".{$oid}", $t, $r);
} elseif ($ver == 3 and $comms[$cm]['aprot']) {
if ($debug) {
echo "<div class=\"textpad noti \">snmpget -v3 -c{$cm} " . $comms[$cm]['aprot'] . " {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmp3_get($ip, $cm, 'authNoPriv', $comms[$cm]['aprot'], $comms[$cm]['apass'], 'DES', '', ".{$oid}", $t, $r);
} elseif ($ver == 2) {
if ($debug) {
echo "<div class=\"textpad noti \">snmpget -v2c -c{$cm} {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmp2_get($ip, $cm, ".{$oid}", $t, $r);
} else {
if ($debug) {
echo "<div class=\"textpad noti \">snmpget -v1 -c{$cm} {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmpget($ip, $cm, ".{$oid}", $t, $r);
}
}
static function get($host, $object_id, $cache_ttl = null)
{
if ($cache_ttl) {
$cache_var = str_replace('.', '_', $host->ip . $object_id);
$cache = new CacheAPC();
$resultCache = $cache->load($cache_var);
if ($resultCache !== null) {
return $resultCache;
}
}
snmp_set_oid_output_format(self::$oid_format);
$snmp = $host->snmpTemplate;
if ($snmp instanceof SnmpTemplate) {
switch ($snmp->version) {
case "1":
$result = @snmpget($host->ip, $snmp->community, $object_id, $snmp->timeout, $snmp->retries);
break;
case "2":
case "2c":
$result = @snmp2_get($host->ip, $snmp->community, $object_id, $snmp->timeout, $snmp->retries);
break;
case "3":
$result = @snmp3_get($host->ip, $snmp->security_name, $snmp->security_level, $snmp->auth_protocol, $snmp->auth_passphrase, $snmp->priv_protocol, $snmp->priv_passphrase, $object_id, $snmp->timeout, $snmp->retries);
break;
default:
throw new Exception('SNMP Template not implemented yet');
}
}
if ($result) {
// retira 'STRING: ' do inicio do texto
$result = trim(preg_replace('/^[^:]+: ?/', '', $result));
if ($cache_var && $cache_ttl) {
$cache->save($cache_var, $result, $cache_ttl);
}
return $result;
} else {
//throw new Exception("Sem resposta SNMP");
return null;
}
}
private function __snmpget($object_id)
{
$retval = FALSE;
switch ($this->version) {
case self::VERSION_1:
$retval = snmpget($this->host, $this->community, $object_id);
break;
case self::VERSION_2C:
case self::VERSION_2c:
$retval = snmp2_get($this->host, $this->community, $object_id);
break;
case self::VERSION_3:
$retval = snmp3_get($this->host, $this->community, $this->sec_level, $this->auth_protocol, $this->auth_passphrase, $this->priv_protocol, $this->priv_passphrase, $object_id);
break;
}
return $retval;
}
var_dump(gettype($z)); var_dump(count($z)); var_dump($z); echo "REALWALK single on single OID\n"; $z = snmp3_real_walk($hostname, $username, 'authNoPriv', 'MD5', $auth_pass, '', '', '.1.3.6.1.2.1.1.1.0', $timeout, $retries); var_dump(gettype($z)); var_dump(count($z)); var_dump($z); echo "WALK multiple on single OID\n"; $z = snmp3_walk($hostname, $username, 'authNoPriv', 'MD5', $auth_pass, '', '', '.1.3.6.1.2.1.1', $timeout, $retries); var_dump(gettype($z)); var_dump(count($z)); var_dump(key($z)); var_dump(array_shift($z)); echo "REALWALK multiple on single OID\n"; $z = snmp3_real_walk($hostname, $username, 'authNoPriv', 'MD5', $auth_pass, 'AES', '', '.1.3.6.1.2.1.1', $timeout, $retries); var_dump(gettype($z)); var_dump(count($z)); var_dump(key($z)); var_dump(array_shift($z)); echo "SET single OID\n"; $oid1 = 'SNMPv2-MIB::sysContact.0'; $oldvalue1 = snmp3_get($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, $oid1, $timeout, $retries); $newvalue1 = $oldvalue1 . '0'; $z = snmp3_set($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, $oid1, 's', $newvalue1, $timeout, $retries); var_dump($z); var_dump(snmp3_get($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, $oid1, $timeout, $retries) === $newvalue1); $z = snmp3_set($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, $oid1, 's', $oldvalue1, $timeout, $retries); var_dump($z); var_dump(snmp3_get($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, $oid1, $timeout, $retries) === $oldvalue1);
function cacti_snmp_get($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER)
{
global $config;
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option("snmp_retries");
if ($retries == "") {
$retries = 3;
}
}
/* do not attempt to poll invalid combinations */
if ($version == 0 || !is_numeric($version) || !is_numeric($port) || !is_numeric($retries) || !is_numeric($timeout) || $community == "" && $version != 3) {
return "U";
}
if (snmp_get_method($version) == SNMP_METHOD_PHP && (!strlen($context) || $version != 3)) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
if ($version == "1") {
$snmp_value = @snmpget("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == "2") {
$snmp_value = @snmp2_get("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($priv_proto == "[None]" || $priv_pass == '') {
$proto = "authNoPriv";
$priv_proto = "";
} else {
$proto = "authPriv";
}
$snmp_value = @snmp3_get("{$hostname}:{$port}", "{$username}", $proto, $auth_proto, "{$password}", $priv_proto, "{$priv_pass}", "{$oid}", $timeout * 1000, $retries);
}
if ($snmp_value === false) {
cacti_log("WARNING: SNMP Get Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
} else {
$snmp_value = '';
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? snmp_escape_string($community) : "-c " . snmp_escape_string($community);
/* v1/v2 - community string */
} elseif ($version == "2") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? snmp_escape_string($community) : "-c " . snmp_escape_string($community);
/* v1/v2 - community string */
$version = "2c";
/* ucd/net snmp prefers this over '2' */
} elseif ($version == "3") {
if ($priv_proto == "[None]" || $priv_pass == '') {
$proto = "authNoPriv";
$priv_proto = "";
} else {
$proto = "authPriv";
}
if (strlen($priv_pass)) {
$priv_pass = "******" . snmp_escape_string($priv_pass) . " -x " . snmp_escape_string($priv_proto);
} else {
$priv_pass = "";
}
if (strlen($context)) {
$context = "-n " . snmp_escape_string($context);
} else {
$context = "";
}
$snmp_auth = trim("-u " . snmp_escape_string($username) . " -l " . snmp_escape_string($proto) . " -a " . snmp_escape_string($auth_proto) . " -A " . snmp_escape_string($password) . " " . $priv_pass . " " . $context);
/* v3 - username/password */
}
/* no valid snmp version has been set, get out */
if (empty($snmp_auth)) {
return;
}
if (read_config_option("snmp_version") == "ucd-snmp") {
/* escape the command to be executed and vulnerable parameters
* numeric parameters are not subject to command injection
* snmp_auth is treated seperately, see above */
exec(cacti_escapeshellcmd(read_config_option("path_snmpget")) . " -O vt -v{$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} {$snmp_auth} " . cacti_escapeshellarg($oid), $snmp_value);
} else {
exec(cacti_escapeshellcmd(read_config_option("path_snmpget")) . " -O fntev " . $snmp_auth . " -v {$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid), $snmp_value);
}
/* fix for multi-line snmp output */
if (is_array($snmp_value)) {
$snmp_value = implode(" ", $snmp_value);
}
}
/* fix for multi-line snmp output */
if (isset($snmp_value)) {
if (is_array($snmp_value)) {
$snmp_value = implode(" ", $snmp_value);
}
}
if (substr_count($snmp_value, "Timeout:")) {
cacti_log("WARNING: SNMP Get Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* strip out non-snmp data */
$snmp_value = format_snmp_string($snmp_value, false);
return $snmp_value;
}
$this_MemPhysSize = snmp3_get('localhost', $snmpUser, 'authPriv', 'MD5', $snmpPass, 'DES', $snmpPass, "HOST-RESOURCES-MIB::hrStorageSize.1");
$this_MemPhysUsed = snmp3_get('localhost', $snmpUser, 'authPriv', 'MD5', $snmpPass, 'DES', $snmpPass, "HOST-RESOURCES-MIB::hrStorageUsed.1");
$this_MemBuffUsed = snmp3_get('localhost', $snmpUser, 'authPriv', 'MD5', $snmpPass, 'DES', $snmpPass, "HOST-RESOURCES-MIB::hrStorageUsed.6");
$this_MemCachUsed = snmp3_get('localhost', $snmpUser, 'authPriv', 'MD5', $snmpPass, 'DES', $snmpPass, "HOST-RESOURCES-MIB::hrStorageUsed.7");
$this_MemPhysSize = preg_replace('/INTEGER\\: /', '', $this_MemPhysSize);
$this_MemPhysUsed = preg_replace('/INTEGER\\: /', '', $this_MemPhysUsed);
$this_MemBuffUsed = preg_replace('/INTEGER\\: /', '', $this_MemBuffUsed);
$this_MemCachUsed = preg_replace('/INTEGER\\: /', '', $this_MemCachUsed);
$UsedMemory = $this_MemPhysUsed - ($this_MemBuffUsed + $this_MemCachUsed);
$thisColor = AutoColorScale($UsedMemory, $this_MemPhysSize * 0.6, 0, NULL);
echo "<button class='UButton' style='background-color: " . $thisColor . ";'>Mem Use<br/>" . round($UsedMemory / 1024 / 1024, 2) . " GB</button>";
if (isset($_SESSION['eth0LastIn'])) {
$this_eth0in = snmp3_get('localhost', $snmpUser, 'authPriv', 'MD5', $snmpPass, 'DES', $snmpPass, "IF-MIB::ifInOctets.2");
$this_eth0in = preg_replace('/Counter32\\: /', '', $this_eth0in);
$this_eth0in_diff = $this_eth0in - $_SESSION['eth0LastIn'];
$thisColor = AutoColorScale($this_eth0in_diff, 4096000, -10000, NULL);
echo "<button class='UButton' style='background-color: " . $thisColor . ";'>eth0 Rx<br/>" . round($this_eth0in_diff / 1024 / 5, 1) . " KB</button>";
$_SESSION['eth0LastIn'] = $this_eth0in;
} else {
$_SESSION['eth0LastIn'] = 0;
}
if (isset($_SESSION['eth0LastOut'])) {
$this_eth0out = snmp3_get('localhost', $snmpUser, 'authPriv', 'MD5', $snmpPass, 'DES', $snmpPass, "IF-MIB::ifOutOctets.2");
$this_eth0out = preg_replace('/Counter32\\: /', '', $this_eth0out);
$this_eth0out_diff = $this_eth0out - $_SESSION['eth0LastOut'];
$thisColor = AutoColorScale($this_eth0out_diff, 4096000, -10000, NULL);
echo "<button class='UButton' style='background-color: " . $thisColor . ";'>eth0 Tx<br/>" . round($this_eth0out_diff / 1024 / 5, 1) . " KB</button>";
$_SESSION['eth0LastOut'] = $this_eth0out;
} else {
$_SESSION['eth0LastOut'] = 0;
}
$snmp_port = 161;
$snmp_timeout = 500;
$snmp_retries = 3;
$max_oids = 1;
# required for SNMP V3
$snmp_auth_username = "******";
$auth_password = "******";
$auth_protocol = "SHA";
$priv_passphrase = "cisco123";
$priv_protocol = "AES";
$snmp_context = "";
$sec_level = "AuthPriv";
$host_address = "ipv6:[" . $node_ip . "]";
$node_type = @snmp3_get($host_address, $snmp_auth_username, $sec_level, $auth_protocol, $auth_password, $priv_protocol, $priv_passphrase, $oids['node_type'], $snmp_timeout * 1000, $snmp_retries);
$node_type = format_snmp_string($node_type, $oids['node_type']);
$node_info = @snmp3_get($host_address, $snmp_auth_username, $sec_level, $auth_protocol, $auth_password, $priv_protocol, $priv_passphrase, $oids['node_info'], $snmp_timeout * 1000, $snmp_retries);
$node_info = format_snmp_string($node_info, $oids['node_info']);
$node_info = str_replace("%", "<br/>", $node_info);
if (empty($node_type) || empty($node_ip) || empty($node_lat) || empty($node_lon)) {
echo "Failed to add node";
} else {
mysql_select_db($cacti_db, $cacti_con);
exec(" php -q add_cacti.php --host=" . $host_address . " --template=9 --desc=node" . $fabfi_number);
$cacti_index = mysql_fetch_array(mysql_query("select `id` from `cacti`.`host` where `hostname`='" . $host_address . "'"));
$cacti_index = $cacti_index["id"];
exec("php -q /usr/share/cacti/cli/add_tree.php --type=node --node-type=host --tree-id=1 --host-id=" . $cacti_index . " --host-group-style=1");
mysql_select_db($map_db, $con);
mysql_query("INSERT INTO `meshmib`.`node` (`fabfi_number`,`ipv6_address`,`type`,`latitude`,`longitude`,`cacti_index`,`node_info`,`timestamp`) VALUES ('" . $fabfi_number . "','" . $node_ip . "','" . $node_type . "','" . $node_lat . "','" . $node_lon . "','" . $cacti_index . "','" . $node_info . "','" . $timestamp . "')");
echo "Node Added";
}
} else {
function snmpget($oid)
{
return snmp3_get($this->hostname, $this->snmpsetup['sec_name'], $this->snmpsetup['sec_level'], $this->snmpsetup['auth_protocol'], $this->snmpsetup['auth_passphrase'], $this->snmpsetup['priv_protocol'], $this->snmpsetup['priv_passphrase'], $oid);
}
function cacti_snmp_get($hostname, $community, $oid, $version, $v3username, $v3password, $v3authproto = "", $v3privpassphrase = "", $v3privproto = "", $port = 161, $timeout = 500, $environ = SNMP_POLLER) {
/* determine default retries */
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
/* do not attempt to poll invalid combinations */
if (($version == 0) || (($community == "") && ($version != 3))) {
return "U";
}
/* get rid of quotes in privacy passphrase */
$v3privpassphrase = str_replace("#space#", " ", $v3privpassphrase);
if ($v3privproto == "[None]") {
$v3privproto = "";
}
if (snmp_get_method($version) == SNMP_METHOD_PHP) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
if ($version == "1") {
$snmp_value = @snmpget("$hostname:$port", $community, trim($oid), ($timeout * 1000), $retries);
}elseif ($version == "2") {
$snmp_value = @snmp2_get("$hostname:$port", $community, $oid, ($timeout * 1000), $retries);
}else{
$snmp_value = @snmp3_get("$hostname:$port", $v3username, snmp_get_v3authpriv($v3privproto), $v3authproto,
$v3password, $v3privproto, $v3privpassphrase, trim($oid), ($timeout * 1000), $retries);
}
}else{
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
}elseif ($version == "2") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
$version = "2c"; /* ucd/net snmp prefers this over '2' */
}elseif ($version == "3") {
$snmp_auth = "-u $v3username -A $v3password -a $v3authproto -X $v3privpassphrase -x $v3privproto -l " . snmp_get_v3authpriv($v3privproto); /* v3 - username/password/etc... */
}
/* no valid snmp version has been set, get out */
if (empty($snmp_auth)) { return; }
if (read_config_option("snmp_version") == "ucd-snmp") {
exec(read_config_option("path_snmpget") . " -O vt -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid", $snmp_value);
}else {
exec(read_config_option("path_snmpget") . " -O fntev $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid", $snmp_value);
}
}
if (isset($snmp_value)) {
/* fix for multi-line snmp output */
if (is_array($snmp_value)) {
$snmp_value = implode(" ", $snmp_value);
}
}
/* strip out non-snmp data */
$snmp_value = format_snmp_string($snmp_value);
return $snmp_value;
}
function my_snmp_get($ip, $credentials, $oid)
{
$timeout = '3000000';
$retries = '0';
if (empty($credentials->credentials->version) or $credentials->credentials->version != 1 or $credentials->credentials->version != 2 or $credentials->credentials->version != 3) {
$credentials->credentials->version = 2;
}
switch ($credentials->credentials->version) {
case '1':
$string = @snmpget($ip, $credentials->credentials->community, $oid, $timeout, $retries);
break;
case '2':
$string = @snmp2_get($ip, $credentials->credentials->community, $oid, $timeout, $retries);
break;
case '3':
$sec_name = $credentials->credentials->security_name ?: '';
$sec_level = $credentials->credentials->security_level ?: '';
$auth_protocol = $credentials->credentials->authentication_protocol ?: '';
$auth_passphrase = $credentials->credentials->authentication_passphrase ?: '';
$priv_protocol = $credentials->credentials->privacy_protocol ?: '';
$priv_passphrase = $credentials->credentials->privacy_passphrase ?: '';
$string = @snmp3_get($ip, $sec_name, $sec_level, $auth_protocol, $auth_passphrase, $priv_protocol, $priv_passphrase, $oid, $timeout, $retries);
break;
default:
return false;
break;
}
if (empty($string) and $string != '0') {
return false;
}
if ($string == '""') {
$string = '';
}
$string = trim($string);
# if the first character is a '.', remove it.
if (strpos($string, '.') === 0) {
$string = substr($string, 1);
}
// remove the first and last characters if they are "
if (substr($string, 0, 1) == "\"") {
$string = substr($string, 1, strlen($string));
}
if (substr($string, -1, 1) == "\"") {
$string = substr($string, 0, strlen($string) - 1);
}
// remove some return strings
if (strpos(strtolower($string), '/etc/snmp') !== false or strpos(strtolower($string), 'no such instance') !== false or strpos(strtolower($string), 'no such object') !== false or strpos(strtolower($string), 'not set') !== false or strpos(strtolower($string), 'unknown value type') !== false) {
$string = '';
}
// remove any quotation marks
$string = str_replace('"', ' ', $string);
// replace any line breaks with spaces
$string = str_replace(array("\r", "\n"), " ", $string);
return (string) $string;
}
<?php
require_once dirname(__FILE__) . '/snmp_include.inc';
echo "Checking error handling\n";
//int snmp3_get(string host, string sec_name, string sec_level, string auth_protocol,
// string auth_passphrase, string priv_protocol, string priv_passphrase,
// string object_id [, int timeout [, int retries]]);
var_dump(snmp3_get($hostname, $community, '', '', '', '', ''));
var_dump(snmp3_get($hostname, $community, '', '', '', '', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'bugusPriv', '', '', '', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'authNoPriv', 'TTT', '', '', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'authNoPriv', 'MD5', '', '', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'authNoPriv', 'MD5', 'te', '', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'authPriv', 'MD5', $auth_pass, 'BBB', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'authPriv', 'MD5', $auth_pass, 'AES', '', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, $community, 'authPriv', 'MD5', $auth_pass, 'AES', 'ty', '.1.3.6.1.2.1.1.1.0'));
var_dump(snmp3_get($hostname, 'somebogususer', 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, '.1.3.6.1.2.1.1.1.0', $timeout, $retries));
var_dump(snmp3_set($hostname, $community, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, '', 's'));
var_dump(snmp3_set($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, '.1.3.6.777...7.5.3', 's', 'ttt', $timeout, $retries));
var_dump(snmp3_set($hostname, $rwuser, 'authPriv', 'MD5', $auth_pass, 'AES', $priv_pass, '.1.3.6.777.7.5.3', array('s'), 'yyy', $timeout, $retries));
/**
* Get a single SNMP value
*
* @throws \OSS_SNMP\Exception On *any* SNMP error, warnings are supressed and a generic exception is thrown
* @param string $oid The OID to get
* @return mixed The resultant value
*/
public function get($oid)
{
if ($this->cache() && ($rtn = $this->getCache()->load($oid)) !== null) {
return $rtn;
}
$v1 = 'snmpget';
$v2c = 'snmp2_get';
switch ($this->getVersion()) {
case 1:
case '2c':
$this->_lastResult = @${"v" . $this->getVersion()}($this->getHost(), $this->getCommunity(), $oid, $this->getTimeout(), $this->getRetry());
break;
case '3':
$this->_lastResult = @snmp3_get($this->getHost(), $this->getSecName(), $this->getSecLevel(), $this->getAuthProtocol(), $this->getAuthPassphrase(), $this->getPrivProtocol(), $this->getPrivPassphrase(), $oid, $this->getTimeout(), $this->getRetry());
break;
default:
throw new Exception('Invalid SNMP version: ' . $this->getVersion());
}
if ($this->_lastResult === false) {
throw new Exception('Could not perform walk for OID ' . $oid);
}
return $this->getCache()->save($oid, $this->parseSnmpValue($this->_lastResult));
}
if ($snmp_version == '') {
$snmp_version = 'v2';
}
$v3_user = $snmprow['v3_user'];
$v3_pwd = $snmprow['v3_pwd'];
$snmplocal_sent = microtime(true);
$timezone = $snmprow['timezone'];
$timezone = number_format((double) $timezone, 1, '.', '');
$tzDelta = $timezone * 3600 * 1000;
$timeMIB = 'hrSystemDate.0';
snmp_set_quick_print(1);
$timeInfo = '';
$snmpTime = '';
if (strtolower($snmp_version) == 'v3') {
//SNMP V3 is used
$timeInfo = @snmp3_get($hostname, $v3_user, "authNoPriv", "MD5", $v3_pwd, "DES", "", $timeMIB, $timeout, $count);
} else {
$timeInfo = @snmpget($hostname, $community_string, $timeMIB, $timeout, $count);
}
$regex = "/^(?P<YYYY>\\d\\d\\d\\d)-(?P<MM>\\d+)-(?P<DD>\\d+),(?P<HH>\\d+):(?P<mm>\\d+):(?P<ss>\\d+)\\.(?P<millisec>\\d+),(?P<plusminus>[+-])(?P<TZHH>\\d+):(?P<TZMM>\\d+)\$/";
preg_match($regex, $timeInfo, $matches);
$snmpTime = $matches['YYYY'] . '-' . sprintf("%02s", $matches['MM']) . '-' . sprintf("%02s", $matches['DD']) . ' ' . sprintf("%02s", $matches['HH']) . ':' . sprintf("%02s", $matches['mm']) . ':' . sprintf("%02s", $matches['ss']);
$snmpTime = strtotime($snmpTime);
$server_time_formatted = date('Y-m-d H:i:s', $snmpTime);
$snmpTime = round($snmpTime * 1000 + $matches['millisec'] * 1000);
// Time from microsec in ms
/* Following code was for linux snmp reads.
//Now convert to UTC
$tzDelta = (($matches['TZHH']*3600) + ($matches['TZMM'] * 60))*1000;
if ($matches['plusminus'] == '+'){ //Ahead... so subtract to get UTC time
$snmpTime = $snmpTime - $tzDelta;
}
if (count($snmp_result) < 1) {
echo "Unable to query server {$hostname} for Memory Utilization";
}
$mem_pct_used = 0;
foreach ($snmp_result as $oid => $val) {
if ("/" == substr($val, 0, 1)) {
//ignore
} else {
$index = substr($oid, strrpos($oid, ".") + 1);
$used = '';
$total = '';
if (strtolower($snmp_version) == 'v3') {
//SNMP V3 is used
$used = @snmp3_get($hostname, $v3_user, "authNoPriv", "MD5", $v3_pwd, "DES", "", "hrStorageUsed.{$index}", $timeout, $count);
$total = @snmp3_get($hostname, $v3_user, "authNoPriv", "MD5", $v3_pwd, "DES", "", "hrStorageSize.{$index}", $timeout, $count);
} else {
$used = @snmpget($hostname, $community_string, "hrStorageUsed.{$index}", $timeout, $count);
$total = @snmpget($hostname, $community_string, "hrStorageSize.{$index}", $timeout, $count);
}
echo "Used: {$used};;;;;Total: {$total}\n";
if (!ereg("^[0-9]+\$", $used)) {
echo "Unable to determine used space due to failed snmp query";
}
if (!ereg("^[0-9]+\$", $total)) {
echo "Unable to determine size due to failed snmp query";
}
$mem_pct_used = 0;
if ($total > 0) {
$mem_pct_used = round($used / $total * 100, 0);
}
function cacti_snmp_get($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER) {
global $config;
/* determine default retries */
if (($retries == 0) || (!is_numeric($retries))) {
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
}
/* do not attempt to poll invalid combinations */
if (($version == 0) || (($community == "") && ($version != 3))) {
return "U";
}
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(!strlen($context) || ($version != 3))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
if ($version == "1") {
$snmp_value = @snmpget("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}elseif ($version == "2") {
$snmp_value = @snmp2_get("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}else{
if ($priv_proto == "[None]") {
$proto = "authNoPriv";
$priv_proto = "";
}else{
$proto = "authPriv";
}
$snmp_value = @snmp3_get("$hostname:$port", "$username", $proto, $auth_proto, "$password", $priv_proto, "$priv_pass", "$oid", ($timeout * 1000), $retries);
}
}else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? cacti_escapeshellarg($community): "-c " . cacti_escapeshellarg($community); /* v1/v2 - community string */
}elseif ($version == "2") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? cacti_escapeshellarg($community) : "-c " . cacti_escapeshellarg($community); /* v1/v2 - community string */
$version = "2c"; /* ucd/net snmp prefers this over '2' */
}elseif ($version == "3") {
if ($priv_proto == "[None]") {
$proto = "authNoPriv";
$priv_proto = "";
}else{
$proto = "authPriv";
}
if (strlen($priv_pass)) {
$priv_pass = "******" . cacti_escapeshellarg($priv_pass) . " -x " . cacti_escapeshellarg($priv_proto);
}else{
$priv_pass = "";
}
if (strlen($context)) {
$context = "-n " . cacti_escapeshellarg($context);
}else{
$context = "";
}
$snmp_auth = trim("-u " . cacti_escapeshellarg($username) .
" -l " . cacti_escapeshellarg($proto) .
" -a " . cacti_escapeshellarg($auth_proto) .
" -A " . cacti_escapeshellarg($password) .
" " . $priv_pass .
" " . $context); /* v3 - username/password */
}
/* no valid snmp version has been set, get out */
if (empty($snmp_auth)) { return; }
if (read_config_option("snmp_version") == "ucd-snmp") {
exec(read_config_option("path_snmpget") . " -O vt -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid", $snmp_value);
}else {
exec(read_config_option("path_snmpget") . " -O fntev $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid", $snmp_value);
}
}
if (isset($snmp_value)) {
/* fix for multi-line snmp output */
if (is_array($snmp_value)) {
$snmp_value = implode(" ", $snmp_value);
}
}
/* strip out non-snmp data */
$snmp_value = format_snmp_string($snmp_value, false);
return $snmp_value;
}
function cacti_snmp_get($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $max_oids = 10, $method = SNMP_VALUE_LIBRARY, $environ = SNMP_POLLER)
{
global $config;
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option('snmp_retries');
if ($retries == '') {
$retries = 3;
}
}
/* do not attempt to poll invalid combinations */
if ($version == 0 || !is_numeric($version) || !is_numeric($port) || !is_numeric($retries) || !is_numeric($timeout) || $community == '' && $version != 3) {
return 'U';
}
if (snmp_get_method($version) == SNMP_METHOD_PHP && (!strlen($context) || $version != 3)) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
/* set the output format to numeric */
snmp_set_valueretrieval($method);
if ($version == '1') {
$snmp_value = @snmpget("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == '2') {
$snmp_value = @snmp2_get("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($priv_proto == '[None]') {
$proto = 'authNoPriv';
$priv_proto = '';
} else {
$proto = 'authPriv';
}
$snmp_value = @snmp3_get("{$hostname}:{$port}", "{$username}", $proto, $auth_proto, "{$password}", $priv_proto, "{$priv_pass}", "{$oid}", $timeout * 1000, $retries);
}
if ($snmp_value === false) {
cacti_log("WARNING: SNMP Get Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
} else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == '1') {
$snmp_auth = '-c ' . snmp_escape_string($community);
/* v1/v2 - community string */
} elseif ($version == '2') {
$snmp_auth = '-c ' . snmp_escape_string($community);
/* v1/v2 - community string */
$version = '2c';
/* ucd/net snmp prefers this over '2' */
} elseif ($version == '3') {
if ($priv_proto == '[None]') {
$proto = 'authNoPriv';
$priv_proto = '';
} else {
$proto = 'authPriv';
}
if (strlen($priv_pass)) {
$priv_pass = '******' . snmp_escape_string($priv_pass) . ' -x ' . snmp_escape_string($priv_proto);
} else {
$priv_pass = '';
}
if (strlen($context)) {
$context = '-n ' . snmp_escape_string($context);
} else {
$context = '';
}
$snmp_auth = trim('-u ' . snmp_escape_string($username) . ' -l ' . snmp_escape_string($proto) . ' -a ' . snmp_escape_string($auth_proto) . ' -A ' . snmp_escape_string($password) . ' ' . $priv_pass . ' ' . $context);
/* v3 - username/password */
}
/* no valid snmp version has been set, get out */
if (empty($snmp_auth)) {
return;
}
exec(cacti_escapeshellcmd(read_config_option('path_snmpget')) . ' -O fntev ' . $snmp_auth . " -v {$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid), $snmp_value);
/* fix for multi-line snmp output */
if (is_array($snmp_value)) {
$snmp_value = implode(' ', $snmp_value);
}
}
/* fix for multi-line snmp output */
if (isset($snmp_value)) {
if (is_array($snmp_value)) {
$snmp_value = implode(' ', $snmp_value);
}
}
if (substr_count($snmp_value, 'Timeout:')) {
cacti_log("WARNING: SNMP Get Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* strip out non-snmp data */
$snmp_value = format_snmp_string($snmp_value, false);
return $snmp_value;
}
/**
* Méthode d'interrogation snmp.
* Comparée au snmpget elle gère les type compteurs
*
* @param $oid string oid de la donnée
* @param $time_derived boolean optionnel : false par défaut, le compteur doit il être divisé par le temp
* @return string
*/
protected final function _snmpGet($oid)
{
trigger_error('start', E_USER_NOTICE);
trigger_error("oid={$oid}", E_USER_NOTICE);
switch ($this->getInput('version')) {
case 'auto':
$valeur = $this->_makeValueClean(snmpget($this->getInput('host') . ":" . $this->getInput('port'), $this->getInput('community'), $oid, $this->getInput('timeout') * 1000000, $this->getInput('retries')));
break;
case '2':
$valeur = $this->_makeValueClean(snmp2_get($this->getInput('host') . ":" . $this->getInput('port'), $this->getInput('community'), $oid, $this->getInput('timeout') * 1000000, $this->getInput('retries')));
break;
case '3':
$valeur = $this->_makeValueClean(snmp3_get($this->getInput('host') . ":" . $this->getInput('port'), $this->getInput('community'), $oid, $this->getInput('timeout') * 1000000, $this->getInput('retries')));
break;
}
trigger_error('end', E_USER_NOTICE);
return $valeur;
}
