From 32c60ce365fb378949b3f4b10eef765ab736fe99 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Sat, 17 Jul 2004 04:31:34 +0000
Subject: [PATCH] Whoops, forgot to check this in last night.

---
 lib/setup.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/setup.php b/lib/setup.php
index ba893bb92a..c5d36c90dd 100644
--- a/lib/setup.php
+++ b/lib/setup.php
@@ -232,8 +232,10 @@
 /// majority of cases), use the stored locale specified by admin.
 
     if (isset($_GET['lang'])) {
-        $SESSION->lang = $lang;
-        $SESSION->encoding = get_string('thischarset');
+        if (!detect_munged_arguments($lang) and file_exists("$CFG->dirroot/lang/$lang")) {
+            $SESSION->lang = $lang;
+            $SESSION->encoding = get_string('thischarset');
+        }
     }
     if (empty($CFG->lang)) {
         $CFG->lang = "en";
-- 
2.39.5