check for fcgid being enabled when switching the webserver as only apache2 can handle fcgid (prevent a possible deadlock in the panel)

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

lib/functions/validate/function.checkPhpInterfaceSetting.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2013 the Froxlor 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.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Roman Schmerold <bnoize@froxlor.org>
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    AJAX
+ *
+ */
+
+function checkPhpInterfaceSetting($fieldname, $fielddata, $newfieldvalue, $allnewfieldvalues) {
+
+	global $settings;
+
+	$returnvalue = array(FORMFIELDS_PLAUSIBILITY_CHECK_OK);
+
+	if ((int)$settings['system']['mod_fcgid'] == 1) {
+		// now check if we enable a webserver != apache
+		if (strtolower($newfieldvalue) != 'apache2') {
+			$returnvalue = array(FORMFIELDS_PLAUSIBILITY_CHECK_ERROR, 'fcgidstillenableddeadlock');
+		}
+	}
+
+	return $returnvalue;
+}