--- loncom/auth/lonacc.pm	2004/11/11 22:18:23	1.52
+++ loncom/auth/lonacc.pm	2004/12/20 20:51:23	1.55
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.52 2004/11/11 22:18:23 raeburn Exp $
+# $Id: lonacc.pm,v 1.55 2004/12/20 20:51:23 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -109,6 +109,7 @@ sub handler {
             if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') ||
  ($requrl=~/^\/adm\/.*\/(aboutme|navmaps|smppg|bulletinboard)(\?|$)/) ||
  ($requrl=~/^\/adm\/wrapper\//) ||
+ ($requrl=~m|\.problem/smpedit$|) ||
  ($requrl=~/^\/public\/.*\/syllabus$/)) {
 # ------------------------------------- This is serious stuff, get symb and log
 		my $query=$r->args;
@@ -122,7 +123,9 @@ sub handler {
                         my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb);
                         &Apache::lonnet::symblist($map,$murl => $mid,
                                                'last_known' => $murl);
-                    } elsif (&Apache::lonnet::symbverify($symb,$requrl)) {
+                    } elsif ((&Apache::lonnet::symbverify($symb,$requrl)) ||
+			     (($requrl=~m|(.*)/smpedit$|) &&
+			      &Apache::lonnet::symbverify($symb,$1))) {
                       my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb);
                       &Apache::lonnet::symblist($map,$murl => $mid,
                                                'last_known' => $murl);
@@ -135,6 +138,13 @@ sub handler {
                     }
                 } else {
 	            $symb=&Apache::lonnet::symbread($requrl);
+		    if (!&Apache::lonnet::symbverify($symb,$requrl)) {
+			$r->log_reason('Invalid symb for '.$requrl.': '.
+                                       $symb);
+		        $ENV{'user.error.msg'}=
+                                "$requrl:bre:1:1:Invalid Access";
+  	                return HTTP_NOT_ACCEPTABLE; 
+		    }
                     my ($map,$mid,$murl)=split(/\_\_\_/,$symb);
 		    &Apache::lonnet::symblist($map,$murl => $mid,
                                               'last_known' => $murl);