From ce791f885e5ec2d7dccce103171b68b72484bb87 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Mon, 27 Sep 2004 12:52:25 +0000
Subject: [PATCH] Merged change from STABLE, to fix possible $auth variable
 problem

---
 lib/moodlelib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index e75e65a244..c85a0dff1a 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -1208,6 +1208,10 @@ function authenticate_user_login($username, $password) {
         $auth = $user->auth;
     }
 
+    if (detect_munged_arguments($auth, 0)) {   // For safety on the next require
+        return false;
+    }
+
     if (!file_exists($CFG->dirroot .'/auth/'. $auth .'/lib.php')) {
         $auth = 'manual';    // Can't find auth module, default to internal
     }
-- 
2.39.5