function Walk($ip, $ver, $cm, $oid, $t = 1000000, $r = 2)
{
global $debug, $comms;
if ($ver == 3 and $comms[$cm]['pprot']) {
if ($debug) {
echo "<div class=\"textpad noti \">snmpwalk -v3 -c{$cm} " . $comms[$cm]['aprot'] . "/" . $comms[$cm]['pprot'] . " {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmp3_real_walk($ip, $cm, 'authPriv', $comms[$cm]['aprot'], $comms[$cm]['apass'], $comms[$cm]['pprot'], $comms[$cm]['ppass'], ".{$oid}", $t);
} elseif ($ver == 3 and $comms[$cm]['aprot']) {
if ($debug) {
echo "<div class=\"textpad noti \">snmpwalk -v3 -c{$cm} " . $comms[$cm]['aprot'] . " {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmp3_real_walk($ip, $cm, 'authNoPriv', $comms[$cm]['aprot'], $comms[$cm]['apass'], 'DES', '', ".{$oid}", $t);
} elseif ($ver == 2) {
if ($debug) {
echo "<div class=\"textpad noti \">snmpwalk -v2c -c{$cm} {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmp2_real_walk($ip, $cm, ".{$oid}", $t);
} else {
if ($debug) {
echo "<div class=\"textpad noti \">snmpwalk -v1 -c{$cm} {$ip} {$oid} ({$t} usec * {$r})</div>";
}
return snmprealwalk($ip, $cm, ".{$oid}", $t);
}
}
static function walk($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":
$result = @snmprealwalk($host->ip, $snmp->community, $object_id, $snmp->timeout, $snmp->retries);
break;
case "2":
case "2c":
$result = @snmp2_real_walk($host->ip, $snmp->community, $object_id, $snmp->timeout, $snmp->retries);
break;
case "3":
$result = @snmp3_real_walk($host->ip, $snmp->security_name, $snmp->security_level, $snmp->auth_protocol, $snmp->auth_passphrase, $snmp->priv_protocol, $snmp->priv_passphrase, $object_id, $snmp->timeout, $snmp->retries);
break;
default:
throw new Exception('SNMP Template not implemented yet');
}
}
if (is_array($result)) {
if ($cache_var && $cache_ttl) {
$cache->save($cache_var, $result, $cache_ttl);
}
return $result;
} else {
//throw new Exception("Sem resposta SNMP");
return array();
}
}
<?php
// copyright license/LICENSE
//SEND MODIFYING STATE COMMAND
include "outlet_values.php";
//DYNAMIC VALUES
//$num = 1; //outlet port # (1-8)
$num = $_REQUEST['outletnum'];
//echo $num; //echo vs return seem to change whether it returns once or twice, also return fails to pass anything but ""
//if ($num) { echo 1; } else { echo 0;}
//$num = 8;
$op = "." . $num;
//outlet port # (1-8)
//$cmd = 3; //state change: 1 immediateon, 2 immediateoff, 3 reboot
$cmd = $_REQUEST['commandnum'];
$oid = $pre . $det . $op;
//FUNCTIONS
//READ STATUS
$status = snmp3_real_walk($ip, $sec_name, $sec_level, $auth_protocol, $auth_passphrase, $priv_protocol, $priv_passphrase, $oid);
//CHANGE STATE
$result = snmpset($ip, $comm, $oid, 'i', $cmd);
//true/false or 1/0?
//RETURN VALUES
//echo "Outlet: ".$num." was ".$result." turned ".$cmd;
//return $result;
echo $result;
function walk($oid, $suffix_as_key = FALSE)
{
switch ($this->version) {
case self::VERSION_1:
if ($suffix_as_key) {
$this->result = snmpwalk($this->host, $this->community, $oid);
} else {
$this->result = snmprealwalk($this->host, $this->community, $oid);
}
break;
case self::VERSION_2C:
case self::VERSION_2c:
if ($suffix_as_key) {
$this->result = snmp2_walk($this->host, $this->community, $oid);
} else {
$this->result = snmp2_real_walk($this->host, $this->community, $oid);
}
break;
case self::VERSION_3:
if ($suffix_as_key) {
$this->result = snmp3_walk($this->host, $this->community, $this->sec_level, $this->auth_protocol, $this->auth_passphrase, $this->priv_protocol, $this->priv_passphrase, $oid);
} else {
$this->result = snmp3_real_walk($this->host, $this->community, $this->sec_level, $this->auth_protocol, $this->auth_passphrase, $this->priv_protocol, $this->priv_passphrase, $oid);
}
break;
}
return $this->result;
}
$z = snmp3_walk($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 "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) === $oldvalue1);
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $max_oids = 10, $environ = SNMP_POLLER)
{
global $config, $banned_snmp_strings;
$snmp_oid_included = true;
$snmp_auth = '';
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option("snmp_retries");
if ($retries == "") {
$retries = 3;
}
}
/* determine default max_oids */
if ($max_oids == 0 || !is_numeric($max_oids)) {
$max_oids = read_config_option("max_get_size");
if ($max_oids == "") {
$max_oids = 10;
}
}
/* do not attempt to poll invalid combinations */
if ($version == 0 || !is_numeric($version) || !is_numeric($max_oids) || !is_numeric($port) || !is_numeric($retries) || !is_numeric($timeout) || $community == "" && $version != 3) {
return array();
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if (snmp_get_method($version) == SNMP_METHOD_PHP && (!strlen($context) || $version != 3) && ($version == 1 || version_compare(phpversion(), "5.1") >= 0 || !file_exists($path_snmpbulkwalk))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
}
if (function_exists("snmprealwalk")) {
$snmp_oid_included = false;
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == "2") {
$temp_array = @snmp2_real_walk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($priv_proto == "[None]" || $priv_pass == '') {
$proto = "authNoPriv";
$priv_proto = "";
} else {
$proto = "authPriv";
}
$temp_array = @snmp3_real_walk("{$hostname}:{$port}", "{$username}", $proto, $auth_proto, "{$password}", $priv_proto, "{$priv_pass}", "{$oid}", $timeout * 1000, $retries);
}
if ($temp_array === false) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$o]["oid"] = preg_replace("/^\\./", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i], $snmp_oid_included);
}
$o++;
}
} else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? snmp_escape_string($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 */
}
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 */
$temp_array = exec_into_array(cacti_escapeshellcmd(read_config_option("path_snmpwalk")) . " -v{$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} {$snmp_auth} " . cacti_escapeshellarg($oid));
} else {
if (file_exists($path_snmpbulkwalk) && $version > 1 && $max_oids > 1) {
$temp_array = exec_into_array(cacti_escapeshellcmd($path_snmpbulkwalk) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} -Cr{$max_oids} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
} else {
$temp_array = exec_into_array(cacti_escapeshellcmd(read_config_option("path_snmpwalk")) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
}
}
if (substr_count(implode(" ", $temp_array), "Timeout:")) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
for ($i = 0; $i < count($temp_array); $i++) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$i]["oid"] = trim(preg_replace("/(.*) =.*/", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i], true);
}
}
}
return $snmp_array;
}
function snmpwalkoid($oid)
{
return snmp3_real_walk($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'], $oid);
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $max_oids = 10, $environ = SNMP_POLLER) {
global $config, $banned_snmp_strings;
$snmp_oid_included = false;
$snmp_auth = '';
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if (($retries == 0) || (!is_numeric($retries))) {
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(!strlen($context) || ($version != 3)) &&
(($version == 1) ||
(version_compare(phpversion(), "5.1") >= 0) ||
(!file_exists($path_snmpbulkwalk)))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
$snmp_oid_included = true;
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}elseif ($version == "2") {
$temp_array = @snmp2_real_walk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}else{
if ($priv_proto == "[None]") {
$proto = "authNoPriv";
$priv_proto = "";
}else{
$proto = "authPriv";
}
$temp_array = @snmp3_real_walk("$hostname:$port", "$username", $proto, $auth_proto, "$password", $priv_proto, "$priv_pass", "$oid", ($timeout * 1000), $retries);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach($temp_array as $key => $value) {
foreach($banned_snmp_strings as $item) {
if(strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$o]["oid"] = preg_replace("/^\./", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i], $snmp_oid_included);
}
$o++;
}
}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 */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
if (file_exists($path_snmpbulkwalk) && ($version > 1) && ($max_oids > 1)) {
$temp_array = exec_into_array($path_snmpbulkwalk . " -O Qn $snmp_auth -v $version -t $timeout -r $retries -Cr$max_oids $hostname:$port $oid");
}else{
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O Qn $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach($temp_array as $key => $value) {
foreach($banned_snmp_strings as $item) {
if(strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
for ($i=0; $i < count($temp_array); $i++) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$i]["oid"] = trim(preg_replace("/(.*) =.*/", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i], true);
}
}
}
return $snmp_array;
}
protected function snmpget($oid, $version = null, $community = null)
{
if (!$version) {
$version = $this->getAgentVersion();
}
if (!$community) {
$community = $this->getAgentReadCommunity();
}
switch ($version) {
case 1:
return @snmprealwalk($this->host, $community, $oid, $this->timeout * 1000000, $this->retries);
case 2:
return @snmp2_real_walk($this->host, $community, $oid, $this->timeout * 1000000, $this->retries);
case 3:
extract($this->version3);
return @snmp3_real_walk($this->host, $secName, $secLevel, $authProtocol, $authPassphrase, $privProtocol, $privPassphrase, $oid, $this->timeout * 1000000, $this->retries);
default:
return false;
}
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER) {
global $config;
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if (($retries == 0) || (!is_numeric($retries))) {
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(($version == 1) ||
(version_compare(phpversion(), "5.1") >= 0) ||
(!file_exists($path_snmpbulkwalk)))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}elseif ($version == "2") {
$temp_array = @snmp2_real_walk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}else{
$temp_array = @snmp3_real_walk("$hostname:$port", $username, "authNoPriv", "MD5", $password, "", "", $oid, ($timeout * 1000), $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
}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 */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
if (file_exists($path_snmpbulkwalk) && ($version > 1)) {
$temp_array = exec_into_array($path_snmpbulkwalk . " -O n $snmp_auth -v $version -t $timeout -r $retries -Cr50 $hostname:$port $oid");
}else{
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O n $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
}
if ((sizeof($temp_array) == 0) ||
(substr_count($temp_array[0], "No Such Object")) ||
(substr_count($temp_array[0], "No more variables"))) {
return array();
}
for ($i=0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
function my_snmp_real_walk($ip, $credentials, $oid)
{
$timeout = '30000000';
$retries = '0';
switch ($credentials->credentials->version) {
case '1':
$array = @snmprealwalk($ip, $credentials->credentials->community, $oid, $timeout, $retries);
break;
case '2':
$array = @snmp2_real_walk($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 ?: '';
$array = @snmp3_real_walk($ip, $sec_name, $sec_level, $auth_protocol, $auth_passphrase, $priv_protocol, $priv_passphrase, $oid, $timeout, $retries);
break;
default:
return false;
break;
}
if (!is_array($array)) {
return false;
}
foreach ($array as $i => $value) {
$array[$i] = trim($array[$i]);
if ($array[$i] == '""') {
$array[$i] = '';
}
if (strpos($array[$i], '.') === 0) {
$array[$i] = substr($array[$i], 1);
}
// remove the first and last characters if they are "
if (substr($array[$i], 0, 1) == "\"") {
$array[$i] = substr($array[$i], 1, strlen($array[$i]));
}
if (substr($array[$i], -1, 1) == "\"") {
$array[$i] = substr($array[$i], 0, strlen($array[$i]) - 1);
}
// remove some return strings
if (strpos(strtolower($array[$i]), '/etc/snmp') !== false or strpos(strtolower($array[$i]), 'no such instance') !== false or strpos(strtolower($array[$i]), 'no such object') !== false or strpos(strtolower($array[$i]), 'not set') !== false or strpos(strtolower($array[$i]), 'unknown value type') !== false) {
$array[$i] = '';
}
// remove any quotation marks
$array[$i] = str_replace('"', ' ', $array[$i]);
// replace any line breaks with spaces
$array[$i] = str_replace(array("\r", "\n"), " ", $array[$i]);
}
return $array;
}
/**
* 获取操作系统某一个snmp对象的数据
* @param $objectid 欲获取的snmp对象(不填则获取全部)
*/
public function get($objectid = null)
{
switch ($this->version) {
case 3:
$snmp = snmp3_real_walk($this->host, $this->sec_name, $this->sec_level, $this->auth_protocol, $this->auth_passphrase, $this->priv_protocol, $this->priv_passphrase, $objectid);
break;
}
return $snmp;
}
/**
* Proxy to the snmp2_real_walk command
*
* @param string $oid The OID to walk
* @return array The results of the walk
*/
public function realWalk($oid)
{
$v1 = 'snmprealwalk';
$v2c = 'snmp2_real_walk';
switch ($this->getVersion()) {
case 1:
case '2c':
return $this->_lastResult = @${"v" . $this->getVersion()}($this->getHost(), $this->getCommunity(), $oid, $this->getTimeout(), $this->getRetry());
break;
case '3':
return $this->_lastResult = @snmp3_real_walk($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());
}
}
$timestamp_human = date("d-M-Y H:i:s", $timestamp);
echo $message = "ALERT {$hostname} - Disk Utilization Threshold breached at {$timestamp_human}";
$subject = $message;
ticket_post($smtp_email, $smtp_email, "28", "{$subject}", "{$message}", '1');
}
}
}
} else {
if ("Memory Utilization" == $param_name) {
//end of else if dsk utilization
snmp_set_quick_print(1);
$snmp_result = '';
$memInfo = "hrStorageDescr";
if (strtolower($snmp_version) == 'v3') {
//SNMP V3 is used
$snmp_result = @snmp3_real_walk($hostname, $v3_user, "authNoPriv", "MD5", $v3_pwd, "DES", "", $memInfo, $timeout, $count);
} else {
$snmp_result = @snmprealwalk($hostname, $community_string, $memInfo, $timeout, $count);
}
if (count($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') {
function cacti_snmp_walk($hostname, $community, $oid, $version, $v3username, $v3password, $v3authproto = "", $v3privpassphrase = "", $v3privproto = "", $port = 161, $timeout = 500, $environ = SNMP_POLLER) {
require_once(CACTI_BASE_PATH . "/lib/sys/exec.php");
$snmp_array = array();
$temp_array = array();
/* determine default retries */
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
/* get rid of quotes in privacy passphrase */
$v3privpassphrase = str_replace("#space#", " ", $v3privpassphrase);
if ($v3privproto == "[None]") {
$v3privproto = "";
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(($version == 1) ||
(version_compare(phpversion(), "5.1") >= 0) ||
(!file_exists($path_snmpbulkwalk)))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(1);
}
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", $community, trim($oid), ($timeout * 1000), $retries);
}elseif ($version == "2") {
$temp_array = @snmp2_real_walk("$hostname:$port", $community, trim($oid), ($timeout * 1000), $retries);
}else{
$temp_array = @snmp3_real_walk("$hostname:$port", $v3username, snmp_get_v3authpriv($v3privproto), $v3authproto,
$v3password, $v3privproto, $v3privpassphrase, trim($oid), ($timeout * 1000), $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
}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... */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
if (strlen(trim($path_snmpbulkwalk)) && ($version > 1)) {
$temp_array = exec_into_array(read_config_option("path_snmpbulkwalk") . " -O QfntUe $snmp_auth -v $version -t $timeout -r $retries -Cr50 $hostname:$port $oid");
}else{
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O QfntUe $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
}
if ((sizeof($temp_array) == 0) ||
(substr_count($temp_array[0], "No Such Object")) ||
(substr_count($temp_array[0], "No more variables"))) {
return array();
}
for ($i=0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
function cacti_snmp_walk($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, $banned_snmp_strings;
$snmp_oid_included = true;
$snmp_auth = '';
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if ($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($version) || !is_numeric($max_oids) || !is_numeric($port) || !is_numeric($retries) || !is_numeric($timeout) || $community == '' && $version != 3) {
return array();
}
$path_snmpbulkwalk = read_config_option('path_snmpbulkwalk');
if (snmp_get_method($version) == SNMP_METHOD_PHP && (!strlen($context) || $version != 3) && ($version == 1 || version_compare(phpversion(), '5.1') >= 0 || !file_exists($path_snmpbulkwalk))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
cacti_oid_numeric_format();
snmp_set_quick_print(0);
/* set the output format to numeric */
snmp_set_valueretrieval($method);
if ($version == '1') {
$temp_array = @snmprealwalk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == '2') {
$temp_array = @snmp2_real_walk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($priv_proto == '[None]') {
$proto = 'authNoPriv';
$priv_proto = '';
} else {
$proto = 'authPriv';
}
$temp_array = @snmp3_real_walk("{$hostname}:{$port}", "{$username}", $proto, $auth_proto, "{$password}", $priv_proto, "{$priv_pass}", "{$oid}", $timeout * 1000, $retries);
}
if ($temp_array === false) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != '') {
unset($temp_array[$key]);
continue 2;
}
}
}
$o = 0;
for (reset($temp_array); $i = key($temp_array); next($temp_array)) {
if ($temp_array[$i] != 'NULL') {
$snmp_array[$o]['oid'] = preg_replace('/^\\./', '', $i);
$snmp_array[$o]['value'] = format_snmp_string($temp_array[$i], $snmp_oid_included);
}
$o++;
}
}
} 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 . ' ' . $context);
/* v3 - username/password */
}
if (file_exists($path_snmpbulkwalk) && $version > 1 && $max_oids > 1) {
$temp_array = exec_into_array(cacti_escapeshellcmd($path_snmpbulkwalk) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} -Cr{$max_oids} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
} else {
$temp_array = exec_into_array(cacti_escapeshellcmd(read_config_option('path_snmpwalk')) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
}
if (substr_count(implode(' ', $temp_array), 'Timeout:')) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != '') {
unset($temp_array[$key]);
continue 2;
}
}
}
for ($i = 0; $i < count($temp_array); $i++) {
if ($temp_array[$i] != 'NULL') {
$snmp_array[$i]['oid'] = trim(preg_replace('/(.*) =.*/', "\\1", $temp_array[$i]));
$snmp_array[$i]['value'] = format_snmp_string($temp_array[$i], true);
}
}
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER)
{
global $config;
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option("snmp_retries");
if ($retries == "") {
$retries = 3;
}
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if (snmp_get_method($version) == SNMP_METHOD_PHP && ($version == 1 || version_compare(phpversion(), "5.1") >= 0 || !file_exists($path_snmpbulkwalk))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == "2") {
$temp_array = @snmp2_real_walk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($auth_proto == "[None]") {
$proto = "authNoPriv";
} else {
$proto = "authPriv";
}
$temp_array = @snmp3_real_walk("{$hostname}:{$port}", $username, $proto, $auth_proto, "{$password}", "{$priv_pass}", $priv_proto, "{$oid}", $timeout * 1000, $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
} 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") {
if ($auth_proto == "[None]") {
$proto = "authNoPriv";
} else {
$proto = "authPriv";
}
if (strlen($priv_pass)) {
$priv_pass = "******"{$priv_pass}\" -x {$priv_proto}";
} else {
$priv_pass = "";
}
$snmp_auth = "-u {$username} -l {$proto} -a {$auth_proto} -A {$password} {$priv_pass}";
/* v3 - username/password */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v{$version} -t {$timeout} -r {$retries} {$hostname}:{$port} {$snmp_auth} {$oid}");
} else {
if (file_exists($path_snmpbulkwalk) && $version > 1) {
$temp_array = exec_into_array($path_snmpbulkwalk . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} -Cr50 {$hostname}:{$port} {$oid}");
} else {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} {$hostname}:{$port} {$oid}");
}
}
if (sizeof($temp_array) == 0 || substr_count($temp_array[0], "No Such Object") || substr_count($temp_array[0], "No more variables") || substr_count($temp_array[0], "End of MIB") || substr_count($temp_array[0], "Wrong Type")) {
return array();
}
for ($i = 0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
