X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fauth.php;h=6ce4e4a69f7c582e3d10ba496cda825a3ee7b645;hp=bebc7f87a1739de545b3c994428b94118c809ccb;hb=27e0f2b6733f71aceec05289b5b119cfd64d3ac1;hpb=2e070563d21bd65d70f28d3e1818cce18e6f5472

diff --git a/functions/auth.php b/functions/auth.php
index bebc7f8..6ce4e4a 100644
--- a/functions/auth.php
+++ b/functions/auth.php
@@ -13,6 +13,15 @@
 
 require_once( '../functions/page_header.php' );
 
+/* If a user opens a new session then comes back to this one,
+ * $base_uri isn't set because it the session is invalid.
+ */
+
+if (! isset($base_uri)) {
+    ereg ('(^.*/)[^/]+/[^/]+$', $PHP_SELF, $regs);
+    $base_uri = $regs[1];
+}
+
 function is_logged_in () {
     global $squirrelmail_language, $frame_top, $base_uri;