PHP cacti_log函数代码示例

function check_auth_cookie()
{
    if (isset($_COOKIE['cacti_remembers']) && read_config_option('auth_cache_enabled') == 'on') {
        $parts = explode(',', $_COOKIE['cacti_remembers']);
        $user = $parts[0];
        if ($user != '') {
            $user_info = db_fetch_row_prepared('SELECT id, username 
				FROM user_auth 
				WHERE username = ?', array($user));
            if (!empty($user_info)) {
                if (isset($parts[1])) {
                    $nssecret = $parts[1];
                    $secret = hash('sha512', $nssecret, false);
                    $found = db_fetch_cell_prepared('SELECT user_id 
						FROM user_auth_cache 
						WHERE user_id = ? AND token = ?', array($user_info['id'], $secret));
                    if (empty($found)) {
                        return false;
                    } else {
                        set_auth_cookie($user_info);
                        cacti_log("LOGIN: User '" . $user_info['username'] . "' Authenticated via Authentication Cookie", false, 'AUTH');
                        db_execute_prepared('INSERT INTO user_log 
							(username, user_id, result, ip, time) 
							VALUES 
							(?, ?, 2, ?, NOW())', array($user, $user_info['id'], $_SERVER['REMOTE_ADDR']));
                        return $user_info['id'];
                    }
                }
            }
        }
    }
    return false;
}

 public static function log($message)
 {
     if (func_num_args() > 1) {
         $args = func_get_args();
         $message = call_user_func_array('sprintf', $args);
     }
     if (function_exists('debug_log_insert')) {
         cacti_log("DEBUG: " . rtrim($message), true, "WEATHERMAP");
     }
 }

function sig_handler($signo)
{
    switch ($signo) {
        case SIGTERM:
        case SIGINT:
            cacti_log('WARNING: Thold Sub Process terminated by user', FALSE, 'thold');
            exit;
            break;
        default:
            /* ignore all other signals */
    }
}

function upgrade_to_0_8_8()
{
    /* speed up the joins */
    $_columns = array_rekey(db_fetch_assoc("SHOW COLUMNS FROM `poller_item`"), "Field", "Field");
    if (in_array("host_id", $_columns)) {
        db_install_execute("0.8.8", "ALTER TABLE `poller_item` MODIFY COLUMN `host_id` MEDIUMINT(8) UNSIGNED NOT NULL DEFAULT '0'");
        cacti_log(__FUNCTION__ . " upgrade table poller_item", false, "UPGRADE");
    }
    $_keys = array_rekey(db_fetch_assoc("SHOW KEYS FROM `poller_output`"), "Key_name", "Key_name");
    if (in_array("PRIMARY", $_keys)) {
        db_install_execute("0.8.8", "ALTER TABLE `poller_output` DROP PRIMARY KEY");
        cacti_log(__FUNCTION__ . " table poller_output: dropping old PRIMARY KEY", false, "UPGRADE");
    }
    /* now the KEY we want to create is definitively NOT present 
     * MySQL < 5.00.60 requires a different syntax, this was fixed in MySQL 5.00.60, so take care */
    db_install_execute("0.8.8", "ALTER TABLE `poller_output` ADD PRIMARY KEY (`local_data_id`, `rrd_name`, `time`) /*!50060 USING BTREE */");
    cacti_log(__FUNCTION__ . " upgrade table poller_output", false, "UPGRADE");
    /* speed up user management */
    $_keys = array_rekey(db_fetch_assoc("SHOW KEYS FROM `user_log`"), "Key_name", "Key_name");
    if (!in_array("user_id", $_keys)) {
        db_install_execute("0.8.8", "ALTER TABLE `user_log` ADD KEY `user_id` (`user_id`)");
        cacti_log(__FUNCTION__ . " upgrade table user_log", false, "UPGRADE");
    }
    /* Plugin Architecture
     * be prepared to find those data already present
     * in case of upgrade of a cacti+PIA installation */
    $sql = "CREATE TABLE IF NOT EXISTS `plugin_config` (\n\t\t\t\t`id` \t\tint(8) unsigned NOT NULL auto_increment,\n\t\t\t\t`directory` varchar(32) \tNOT NULL default '',\n\t\t\t\t`name` \t\tvarchar(64) \tNOT NULL default '',\n\t\t\t\t`status`\ttinyint(2) \t\tNOT NULL default 0,\n\t\t\t\t`author`\tvarchar(64) \tNOT NULL default '',\n\t\t\t\t`webpage`\tvarchar(255)  \tNOT NULL default '',\n\t\t\t\t`version`\tvarchar(8) \t\tNOT NULL default '',\n\t\t\t\tPRIMARY KEY  (`id`),\n\t\t\t\tKEY `status` (`status`),\n\t\t\t\tKEY `directory` (`directory`)\n\t\t\t\t) ENGINE=MyISAM COMMENT='Plugin Configuration'";
    db_install_execute("0.8.8", $sql);
    cacti_log(__FUNCTION__ . " install table plugin_config", false, "UPGRADE");
    $sql = "CREATE TABLE IF NOT EXISTS `plugin_db_changes` (\n\t\t\t\t`id` \t\tint(10) unsigned NOT NULL auto_increment,\n\t\t\t\t`plugin` \tvarchar(16) \tNOT NULL default '',\n\t\t\t\t`table` \tvarchar(64) \tNOT NULL default '',\n\t\t\t\t`column`\tvarchar(64) \tNOT NULL default '',\n\t\t\t\t`method` \tvarchar(16) \tNOT NULL default '',\n\t\t\t\tPRIMARY KEY  (`id`),\n\t\t\t\tKEY `plugin` (`plugin`),\n\t\t\t\tKEY `method` (`method`)\n\t\t\t\t) ENGINE=MyISAM COMMENT='Plugin Database Changes'";
    db_install_execute("0.8.8", $sql);
    cacti_log(__FUNCTION__ . " install table plugin_db_changes", false, "UPGRADE");
    $sql = "CREATE TABLE IF NOT EXISTS `plugin_hooks` (\n\t\t\t\t`id` \t\tint(8) unsigned NOT NULL auto_increment,\n\t\t\t\t`name` \t\tvarchar(32) \tNOT NULL default '',\n\t\t\t\t`hook` \t\tvarchar(64) \tNOT NULL default '',\n\t\t\t\t`file`\t\tvarchar(255) \tNOT NULL default '',\n\t\t\t\t`function` \tvarchar(128) \tNOT NULL default '',\n\t\t\t\t`status`\tint(8) \t\t\tNOT NULL default 0,\n\t\t\t\tPRIMARY KEY  (`id`),\n\t\t\t\tKEY `hook` (`hook`),\n\t\t\t\tKEY `status` (`status`)\n\t\t\t\t) ENGINE=MyISAM COMMENT='Plugin Hooks'";
    db_install_execute("0.8.8", $sql);
    cacti_log(__FUNCTION__ . " install table plugin_hooks", false, "UPGRADE");
    $sql = "CREATE TABLE IF NOT EXISTS `plugin_realms` (\n\t\t\t\t`id` \t\tint(8) unsigned NOT NULL auto_increment,\n\t\t\t\t`plugin` \tvarchar(32) \tNOT NULL default '',\n\t\t\t\t`file`\t\ttext\t\t \tNOT NULL,\n\t\t\t\t`display` \tvarchar(64) \tNOT NULL default '',\n\t\t\t\tPRIMARY KEY  (`id`),\n\t\t\t\tKEY `plugin` (`plugin`)\n\t\t\t\t) ENGINE=MyISAM COMMENT='Plugin Realms'";
    db_install_execute("0.8.8", $sql);
    cacti_log(__FUNCTION__ . " install table plugin_realms", false, "UPGRADE");
    /* fill initial data into plugin tables
     * be prepared to find those data already present
     * in case of upgrade of a cacti+PIA installation */
    db_install_execute("0.8.8", "REPLACE INTO `plugin_realms` VALUES (1, 'internal', 'plugins.php', 'Plugin Management')");
    db_install_execute("0.8.8", "REPLACE INTO `plugin_hooks` VALUES (1, 'internal', 'config_arrays', '', 'plugin_config_arrays', 1)");
    db_install_execute("0.8.8", "REPLACE INTO `plugin_hooks` VALUES (2, 'internal', 'draw_navigation_text', '', 'plugin_draw_navigation_text', 1)");
    /* allow admin user to access Plugin Management */
    db_install_execute("0.8.8", "REPLACE INTO user_auth_realm VALUES (101,1)");
    /* create index on data_template_data on data_input_id */
    $_keys = array_rekey(db_fetch_assoc("SHOW KEYS FROM `data_template_data`"), "Key_name", "Key_name");
    if (!in_array("data_input_id", $_keys)) {
        db_install_execute("0.8.8", "ALTER TABLE `data_template_data` ADD KEY `data_input_id` (`data_input_id`)");
        cacti_log(__FUNCTION__ . " upgrade table data_template_data", false, "UPGRADE");
    }
}

function sig_handler($signo)
{
    switch ($signo) {
        case SIGTERM:
        case SIGINT:
            cacti_log('WARNING: DSStats Poller terminated by user', FALSE, 'dsstats');
            /* tell the main poller that we are done */
            db_execute("REPLACE INTO settings (name, value) VALUES ('dsstats_poller_status', 'terminated - end time:" . date('Y-m-d G:i:s') . "')");
            exit;
            break;
        default:
            /* ignore all other signals */
    }
}

function sig_handler($signo)
{
    switch ($signo) {
        case SIGTERM:
        case SIGINT:
            cacti_log('WARNING: Cacti Poller process terminated by user', true);
            /* record the process as having completed */
            record_cmdphp_done();
            exit;
            break;
        default:
            /* ignore all other signals */
    }
}

function sig_handler($signo)
{
    global $include_file, $function, $parameters;
    switch ($signo) {
        case SIGTERM:
        case SIGINT:
        case SIGABRT:
        case SIGQUIT:
        case SIGSEGV:
            cacti_log("WARNING: Script Server terminated with signal '{$signo}' in file:'" . basename($include_file) . "', function:'{$function}', params:'{$parameters}'", FALSE, 'PHPSVR');
            exit;
            break;
        default:
            cacti_log("WARNING: Script Server received signal '{$signo}' in file:'{$include_file}', function:'{$function}', params:'{$parameters}'", FALSE, 'PHPSVR');
            break;
    }
}

function warn($string, $notice_only = FALSE)
{
    global $weathermap_map;
    global $weathermap_warncount;
    $message = "";
    if (!$notice_only) {
        $weathermap_warncount++;
        $message .= "WARNING: ";
    }
    $message .= ($weathermap_map == '' ? '' : $weathermap_map . ": ") . rtrim($string);
    // use Cacti's debug log, if we are running from the poller
    if (function_exists('cacti_log') && !function_exists('show_editor_startpage')) {
        cacti_log($message, true, "WEATHERMAP");
    } else {
        $stderr = fopen('php://stderr', 'w');
        fwrite($stderr, $message . "\n");
        fclose($stderr);
    }
}

function db_connect_real($host,$user,$pass,$db_name,$db_type, $retries = 20) {
	global $cnn_id;

	$i = 1;
	$cnn_id = NewADOConnection($db_type);

	while ($i <= $retries) {
		if ($cnn_id->Connect($host,$user,$pass,$db_name)) {
			return(1);
		}

		$i++;
		usleep(100000);
	}

	cacti_log("ERROR: Cannot connect to MySQL server on '$host'. Please make sure you have specified a valid MySQL   database name in 'include/config.php'.");

	die("<br>Cannot connect to MySQL server on '$host'. Please make sure you have specified a valid MySQL database name in 'include/config.php'.");

	return(0);
}

function upgrade_to_0_8_7h()
{
    global $config;
    require_once $config["base_path"] . "/lib/poller.php";
    /* speed up the reindexing */
    $_columns = array_rekey(db_fetch_assoc("SHOW COLUMNS FROM host_snmp_cache"), "Field", "Field");
    if (!in_array("present", $_columns)) {
        db_install_execute("0.8.7h", "ALTER TABLE host_snmp_cache ADD COLUMN present tinyint NOT NULL DEFAULT '1' AFTER `oid`");
        db_install_execute("0.8.7h", "ALTER TABLE host_snmp_cache ADD INDEX present (present)");
        cacti_log(__FUNCTION__ . " upgrade table host_snmp_cache", false, "UPGRADE");
    }
    $_columns = array_rekey(db_fetch_assoc("SHOW COLUMNS FROM poller_item"), "Field", "Field");
    if (!in_array("present", $_columns)) {
        db_install_execute("0.8.7h", "ALTER TABLE poller_item ADD COLUMN present tinyint NOT NULL DEFAULT '1' AFTER `action`");
        db_install_execute("0.8.7h", "ALTER TABLE poller_item ADD INDEX present (present)");
        cacti_log(__FUNCTION__ . " upgrade table poller_item", false, "UPGRADE");
    }
    $_columns = array_rekey(db_fetch_assoc("SHOW COLUMNS FROM poller_reindex"), "Field", "Field");
    if (!in_array("present", $_columns)) {
        db_install_execute("0.8.7h", "ALTER TABLE poller_reindex ADD COLUMN present tinyint NOT NULL DEFAULT '1' AFTER `action`");
        db_install_execute("0.8.7h", "ALTER TABLE poller_reindex ADD INDEX present (present)");
        cacti_log(__FUNCTION__ . " upgrade table poller_reindex", false, "UPGRADE");
    }
    $_columns = array_rekey(db_fetch_assoc("SHOW COLUMNS FROM host"), "Field", "Field");
    if (!in_array("device_threads", $_columns)) {
        db_install_execute("0.8.7h", "ALTER TABLE host ADD COLUMN device_threads tinyint(2) unsigned NOT NULL DEFAULT '1' AFTER max_oids;");
        cacti_log(__FUNCTION__ . " upgrade table host", false, "UPGRADE");
    }
    $_keys = array_rekey(db_fetch_assoc("SHOW KEYS FROM data_template_rrd"), "Key_name", "Key_name");
    if (!in_array("duplicate_dsname_contraint", $_keys)) {
        db_install_execute("0.8.7h", "ALTER TABLE `data_template_rrd` ADD UNIQUE INDEX `duplicate_dsname_contraint` (`local_data_id`, `data_source_name`, `data_template_id`)");
        cacti_log(__FUNCTION__ . " upgrade table data_template_rrd", false, "UPGRADE");
    }
    /* update the reindex cache, as we now introduced more options for "index count changed" */
    $command_string = read_config_option("path_php_binary");
    $extra_args = "-q \"" . $config["base_path"] . "/cli/poller_reindex_hosts.php\" --id=all";
    exec_background($command_string, "{$extra_args}");
    cacti_log(__FUNCTION__ . " running {$command_string} {$extra_args}", false, "UPGRADE");
}

	if (($using_proc_function == true) && ($script_server_calls > 0)) {
		// close php server process
		fwrite($pipes[0], "quit\r\n");
		fclose($pipes[0]);
		fclose($pipes[1]);
		fclose($pipes[2]);

		$return_value = proc_close($cactiphp);
	}

	if (($print_data_to_stdout) || (read_config_option("log_verbosity") >= POLLER_VERBOSITY_MEDIUM)) {
		/* take time and log performance data */
		list($micro,$seconds) = split(" ", microtime());
		$end = $seconds + $micro;

		cacti_log(sprintf("Time: %01.4f s, " .
			"Theads: N/A, " .
			"Hosts: %s",
			round($end-$start,4),
			$host_count),$print_data_to_stdout);
	}

}else{
	cacti_log("ERROR: Either there are no items in the cache or polling is disabled",$print_data_to_stdout);
}

/* Let the poller server know about cmd.php being finished */
db_execute("insert into poller_time (poller_id, start_time, end_time) values (0, NOW(), NOW())");

?>

function db_fetch_assoc($sql) {
	global $cnn_id;

	if (read_config_option("log_verbosity") == POLLER_VERBOSITY_DEBUG) {
		cacti_log("DEBUG: SQL Assoc: \"" . str_replace("\n", "", str_replace("\r", "", str_replace("\t", " ", $sql))) . "\"", FALSE);
	}

	$data = array();
	$cnn_id->SetFetchMode(ADODB_FETCH_ASSOC);
	$query = $cnn_id->Execute($sql);

	if ($query) {
		while ((!$query->EOF) && ($query)) {
			$data{sizeof($data)} = $query->fields;
			$query->MoveNext();
		}
		return($data);
	}else{
		cacti_log("ERROR: SQL Assoc Failed \"" . str_replace("\n", "", str_replace("\r", "", str_replace("\t", " ", $sql))) . "\"");
	}
}

function export_log($stMessage) {
	if (read_config_option("log_verbosity") >= POLLER_VERBOSITY_HIGH) {
		cacti_log($stMessage, true, "EXPORT");
	}
}

//.........这里部分代码省略.........
		  `lst` smallint(4) unsigned NOT NULL COMMENT 'Label Grid Timespan Steps',
		  `lpr` int(12) unsigned NOT NULL COMMENT 'Label Placement Relative',
		  `lfm` varchar(100) NOT NULL COMMENT 'Label Format',
		  PRIMARY KEY (`id`)
		) ENGINE=MyISAM COMMENT='Items for X-Axis Presets'");
	db_install_execute("0.8.8", "INSERT INTO `graph_templates_xaxis_items` VALUES(1, '60c2066a1c45fab021d32fe72cbf4f49', 'Day', 1, 86400, 'HOUR', 4, 'HOUR', 2, 'HOUR', 2, 23200, '%H')");
	db_install_execute("0.8.8", "INSERT INTO `graph_templates_xaxis_items` VALUES(2, 'd867f8fc2730af212d0fd6708385cf89', 'Week', 1, 604800, 'DAY', 1, 'DAY', 1, 'DAY', 1, 259200, '%d')");
	db_install_execute("0.8.8", "INSERT INTO `graph_templates_xaxis_items` VALUES(3, '06304a1840da88f3e0438ac147219003', 'Month', 1, 2678400, 'WEEK', 1, 'WEEK', 1, 'WEEK', 1, 1296000, '%W')");
	db_install_execute("0.8.8", "INSERT INTO `graph_templates_xaxis_items` VALUES(4, '33ac10e60fd855e74736bee43bda4134', 'Year', 1, 31622400, 'MONTH', 2, 'MONTH', 1, 'MONTH', 2, 15811200, '%m')");

	/* upgrade to the graph trees */
	db_install_execute("0.8.8", "ALTER TABLE `graph_tree_items`
		ADD COLUMN `parent_id` MEDIUMINT UNSIGNED NOT NULL DEFAULT '0' AFTER `id`,
		ADD COLUMN `site_id` MEDIUMINT UNSIGNED NOT NULL DEFAULT '0' AFTER `title`;");

	/* make tree's a per user object.  System tree's have a user_id of 0 */
	db_install_execute("0.8.8", "ALTER TABLE `graph_tree` ADD COLUMN `user_id` INTEGER UNSIGNED NOT NULL DEFAULT '0' AFTER `id`, ADD INDEX `user_id`(`user_id`);");

	/* get all nodes whose parent_id is not 0 */
	$tree_items = db_fetch_assoc("SELECT * FROM graph_tree_items WHERE order_key NOT LIKE '___000%';");
	if (sizeof($tree_items)) {
	foreach($tree_items AS $item) {
		$translated_key = rtrim($item["order_key"], "0\r\n");
		$missing_len    = strlen($translated_key) % CHARS_PER_TIER;
		if ($missing_len > 0) {
			$translated_key .= substr("000", 0, $missing_len);
		}
		$parent_key_len = strlen($translated_key) - CHARS_PER_TIER;
		$parent_key     = substr($translated_key, 0, $parent_key_len);
		$parent_id      = db_fetch_cell("SELECT id FROM graph_tree_items WHERE graph_tree_id=" . $item["graph_tree_id"] . " AND order_key LIKE '" . $parent_key . "000%'");
		if ($parent_id != "") {
			db_execute("UPDATE graph_tree_items SET parent_id=$parent_id WHERE id=" . $item["id"]);
		}else{
			cacti_log("Some error occurred processing children", false);
		}
	}
	}

	/* make the poller's ip address varchar() */
	db_install_execute("0.8.8", "ALTER TABLE poller CHANGE COLUMN ip_address ip_address varchar(30) not null default ''");

	/* insert the default poller into the database */
	db_install_execute("0.8.8", "INSERT INTO `poller` VALUES (1,'','Main Poller','localhost','127.0.0.1','0000-00-00 00:00:00');");

	/* update all devices to use poller 1, or the main poller */
	db_install_execute("0.8.8", "UPDATE host SET poller_id=1 WHERE poller_id=0");

	/* update the poller_items table to reflect the host change */
	db_install_execute("0.8.8", "UPDATE poller_item SET poller_id=1 WHERE poller_id=0");

	/* rename host -> device for tables and columns
	 * we have some updates to those tables in this file already
	 * so please take care not to change sequence */
	$_indexes = db_fetch_assoc("SHOW INDEX FROM data_local WHERE `Column_name`='host_id'");
	if (sizeof($_indexes)) {
		foreach($_indexes as $_index) {
			db_install_execute("0.8.8", "ALTER TABLE data_local DROP INDEX " . $_index["Key_name"]);
		}
	}
	db_install_execute("0.8.8", "ALTER TABLE data_local CHANGE `host_id` `device_id` MEDIUMINT(8) UNSIGNED NOT NULL, ADD INDEX `device_id` ( `device_id` )");
	db_install_execute("0.8.8", "ALTER TABLE graph_local DROP INDEX `host_id`");
	db_install_execute("0.8.8", "ALTER TABLE graph_local CHANGE `host_id` `device_id` MEDIUMINT(8) UNSIGNED NOT NULL, ADD INDEX `device_id` ( `device_id` )");
	db_install_execute("0.8.8", "ALTER TABLE graph_tree_items DROP INDEX `host_id`");
	db_install_execute("0.8.8", "ALTER TABLE graph_tree_items CHANGE `host_id` `device_id` MEDIUMINT(8) UNSIGNED NOT NULL, ADD INDEX `device_id` ( `device_id` ), CHANGE `host_grouping_type` `device_grouping_type` TINYINT(3) UNSIGNED NOT NULL DEFAULT 1");
	db_install_execute("0.8.8", "RENAME TABLE `host`  TO `device`");
	db_install_execute("0.8.8", "ALTER TABLE `device` CHANGE `host_template_id` `device_template_id` MEDIUMINT(8) UNSIGNED NOT NULL");

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)) {
                $priv_pass = '-X ' . snmp_escape_string($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);
//.........这里部分代码省略.........