if (get_nfilter_request_var('action') == 'runquery') {
		db_force_remote_cnn();
	}

	$poller_db_cnn_id = $remote_db_cnn_id;
} else {
	$poller_db_cnn_id = false;
}

if (!remote_client_authorized()) {
	print 'FATAL: Client authorization failed.  You are not authorized to use this service';
	exit;
}

set_default_action();


function remote_client_authorized() {
	global $config, $poller_db_cnn_id;

	/* don't allow to run from the command line */
	$client_addr = get_client_addr();
	if ($client_addr === false) {
		return false;
	}

	if (!filter_var($client_addr, FILTER_VALIDATE_IP)) {
		cacti_log('ERROR: Invalid remote agent client IP Address.  Exiting');
		return false;
	}

	$client_name = gethostbyaddr($client_addr);

	if ($client_name == $client_addr) {
		cacti_log('NOTE: Unable to resolve hostname from address ' . $client_addr, false, 'WEBUI', POLLER_VERBOSITY_MEDIUM);
	} else {
		$client_name = remote_agent_strip_domain($client_name);
	}

	$pollers = db_fetch_assoc('SELECT * FROM poller WHERE disabled = ""', true, $poller_db_cnn_id);

	if (cacti_sizeof($pollers) > 1) {
		foreach($pollers as $poller) {
			if (remote_agent_strip_domain($poller['hostname']) == $client_name) {
				return true;
			} elseif ($poller['hostname'] == $client_addr) {
				return true;
			}
		}
	}

	cacti_log("Unauthorized remote agent access attempt from $client_name ($client_addr)");

	return false;
}

``