--- loncom/auth/lonacc.pm	2004/12/28 20:18:38	1.57
+++ loncom/auth/lonacc.pm	2005/01/25 00:28:00	1.59
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.57 2004/12/28 20:18:38 albertel Exp $
+# $Id: lonacc.pm,v 1.59 2005/01/25 00:28:00 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -138,10 +138,9 @@ sub handler {
                     }
                 } else {
 	            $symb=&Apache::lonnet::symbread($requrl);
-		    if (&Apache::lonnet::is_on_map($requrl) &&
+		    if (&Apache::lonnet::is_on_map($requrl) && $symb &&
 			!&Apache::lonnet::symbverify($symb,$requrl)) {
-			$r->log_reason('Invalid symb for '.$requrl.': '.
-                                       $symb);
+			$r->log_reason('Invalid symb for '.$requrl.': '.$symb);
 		        $ENV{'user.error.msg'}=
                                 "$requrl:bre:1:1:Invalid Access";
   	                return HTTP_NOT_ACCEPTABLE; 
@@ -175,6 +174,15 @@ sub handler {
         $ENV{'request.state'} = "published";
         $ENV{'request.publicaccess'} = 1;
         $ENV{'request.filename'} = $r->filename;
+	my ($httpbrowser,  $clientbrowser, $clientversion,
+	    $clientmathml, $clientunicode, $clientos) =
+		&Apache::loncommon::decode_user_agent($r);
+	$ENV{'browser.type'}=$clientbrowser;
+        $ENV{'browser.version'}=$clientversion;
+        $ENV{'browser.mathml'}=$clientmathml;
+        $ENV{'browser.unicode'}=$clientunicode;
+        $ENV{'browser.os'}=$clientos;
+
         return OK;
     }
 # -------------------------------------------------------------- Not authorized