ininitial froxlor commit;

'reverted' old-style update-process;
removed billing-classes, -functions and -templates;
some sql-fixes;

lib/functions/validate/function.validate_ip.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * This file is part of the SysCP project.
+ * Copyright (c) 2003-2009 the SysCP Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.syscp.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Florian Lippert <flo@syscp.org>
+ * @license    GPLv2 http://files.syscp.org/misc/COPYING.txt
+ * @package    Functions
+ * @version    $Id: function.validate_ip.php 2724 2009-06-07 14:18:02Z flo $
+ */
+
+/**
+ * Checks whether it is a valid ip
+ *
+ * @return mixed 	ip address on success, standard_error on failure
+ */
+
+function validate_ip($ip, $return_bool = false, $lng = 'invalidip')
+{
+	if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === FALSE
+	   && filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) === FALSE
+	   && filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE) === FALSE)
+	{
+		if($return_bool)
+		{
+			return false;
+		}
+		else
+		{
+			standard_error($lng, $ip);
+			exit;
+		}
+	}
+	else
+	{
+		return $ip;
+	}
+}