<?php
/*
 * xmlrpc.inc
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2005-2016 Electric Sheep Fencing, LLC
 * Copyright (c) 2005-2006 Colin Smith
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgment:
 *    "This product includes software developed by the pfSense Project
 *    for use in the pfSense® software distribution. (http://www.pfsense.org/).
 *
 * 4. The names "pfSense" and "pfSense Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    coreteam@pfsense.org.
 *
 * 5. Products derived from this software may not be called "pfSense"
 *    nor may "pfSense" appear in their names without prior written
 *    permission of the Electric Sheep Fencing, LLC.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *
 * "This product includes software developed by the pfSense Project
 * for use in the pfSense software distribution (http://www.pfsense.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

require_once("auth.inc");
require_once("xmlrpc_client.inc");

/*
 *   xmlrpc_params_to_php: Convert params array passed from XMLRPC server into a PHP array and return it.
 */
function xmlrpc_params_to_php($params) {
	$array = array();
	for ($i = 0; $i < $params->getNumParams(); $i++) {
		$value = $params->getParam($i);
		$array[] = XML_RPC_decode($value);
	}
	return $array;
}

/*
 *   xmlrpc_value_to_php: Convert an XMLRPC value into a PHP scalar/array and return it.
 */
function xmlrpc_value_to_php($raw_value) {
	return XML_RPC_decode($raw_value);
}

/*
 *   php_value_to_xmlrpc: Convert a PHP scalar or array into its XMLRPC equivalent.
 */
function php_value_to_xmlrpc($value, $force_array = false) {
	$toreturn = XML_RPC_encode($value);
	return $force_array ? array($toreturn) : $toreturn;
}

/*
 *   xmlrpc_auth: Handle basic crypt() authentication of an XMLRPC request. This function assumes that
 *                $params[0] contains the local system's plaintext password and removes the password from
 *                the array before returning it.
 */
function xmlrpc_auth(&$params) {
	global $config, $_SERVER;

	/* XXX: Should teach caller to pass username and use it here. */
	/* XXX: Should clarify from old behaviour what is in params[0] that differs from params['xmlrpcauth'] */
	if (isset($config['system']['webgui']['authmode'])) {
		$authcfg = auth_get_authserver($config['system']['webgui']['authmode']);
		if (authenticate_user("admin", $params[0], $authcfg) ||
		    authenticate_user("admin", $params[0])) {
			array_shift($params);
			unset($params['xmlrpcauth']);
			return true;
		} else if (!empty($params['xmlrpcauth']) &&
		    (authenticate_user("admin", $params['xmlrpcauth'], $authcfg) ||
		    authenticate_user("admin", $params['xmlrpcauth']))) {
			array_shift($params);
			unset($params['xmlrpcauth']);
			return true;
		}
	} else if (authenticate_user("admin", $params[0])) {
		array_shift($params);
		unset($params['xmlrpcauth']);
		return true;
	} else if (!empty($params['xmlrpcauth']) &&
	    authenticate_user("admin", $params['xmlrpcauth'])) {
		array_shift($params);
		unset($params['xmlrpcauth']);
		return true;
	}

	array_shift($params);
	unset($params['xmlrpcauth']);
	log_error(sprintf(gettext("webConfigurator authentication error for 'admin' from %s during sync settings."), $_SERVER['REMOTE_ADDR']));
	return false;
}

?>