Fixed some XSS and SQL injection issues

program/steps/error.inc

@@ -53,7 +53,7 @@ else if ($ERROR_CODE==401)
 else if ($ERROR_CODE==404)
   {
   $__error_title = "REQUEST FAILED/FILE NOT FOUND";
-  $request_url = $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
+  $request_url = htmlentities($_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
   $__error_text  = <<<EOF
 The requested page was not found!<br />
 Please contact your server-administrator.

program/steps/settings/edit_identity.inc

@@ -21,12 +21,11 @@
 
 if (($_GET['_iid'] || $_POST['_iid']) && $_action=='edit-identity')
   {
-  $id = $_POST['_iid'] ? $_POST['_iid'] : $_GET['_iid'];
   $DB->query("SELECT * FROM ".get_table_name('identities')."
               WHERE  identity_id=?
               AND    user_id=?
               AND    del<>1",
-              $id,
+              get_input_value('_iid', RCUBE_INPUT_GPC),
               $_SESSION['user_id']);
   
   $IDENTITY_RECORD = $DB->fetch_assoc();

program/steps/settings/save_identity.inc

@@ -55,7 +55,7 @@ if ($_POST['_iid'])
                 WHERE  identity_id=?
                 AND    user_id=?
                 AND    del<>1",
-                $_POST['_iid'],
+                get_input_value('_iid', RCUBE_INPUT_POST),
                 $_SESSION['user_id']);
                        
     $updated = $DB->affected_rows();
@@ -72,7 +72,7 @@ if ($_POST['_iid'])
                 AND    identity_id<>?
                 AND    del<>1",
                 $_SESSION['user_id'],
-                $_POST['_iid']);
+                get_input_value('_iid', RCUBE_INPUT_POST));
     
     if ($_POST['_framed'])
       {