--- loncom/lonnet/perl/lonnet.pm	2011/05/14 17:16:49	1.1056.4.25
+++ loncom/lonnet/perl/lonnet.pm	2011/07/28 18:30:16	1.1056.4.28
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1056.4.25 2011/05/14 17:16:49 raeburn Exp $
+# $Id: lonnet.pm,v 1.1056.4.28 2011/07/28 18:30:16 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1033,15 +1033,19 @@ sub can_host_session {
     }
     if ($canhost) {
         if (ref($hostedsessions) eq 'HASH') {
+            my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
+            my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
             if (ref($hostedsessions->{'excludedomain'}) eq 'ARRAY') {
-                if (grep(/^\Q$udom\E$/,@{$hostedsessions->{'excludedomain'}})) {
+                if (($uint_dom ne '') && 
+                    (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'excludedomain'}}))) {
                     $canhost = 0;
                 } else {
                     $canhost = 1;
                 }
             }
             if (ref($hostedsessions->{'includedomain'}) eq 'ARRAY') {
-                if (grep(/^\Q$udom\E$/,@{$hostedsessions->{'includedomain'}})) {
+                if (($uint_dom ne '') && 
+                    (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'includedomain'}}))) {
                     $canhost = 1;
                 } else {
                     $canhost = 0;
@@ -8601,7 +8605,7 @@ sub metadata {
     if (($uri eq '') || 
 	(($uri =~ m|^/*adm/|) && 
 	     ($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) ||
-        ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$}) || ($uri =~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) {
+        ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) {
 	return undef;
     }
     if (($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) 
@@ -8643,7 +8647,8 @@ sub metadata {
 		&Apache::lonnet::ssi_body($which,
 					  ('grade_target' => 'meta'));
 	    $cachetime = 1; # only want this cached in the child not long term
-	} elsif ($uri !~ m -^(editupload)/-) {
+	} elsif (($uri !~ m -^(editupload)/-) && 
+                 ($uri !~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) {
 	    my $file=&filelocation('',&clutter($filename));
 	    #push(@{$metaentry{$uri.'.file'}},$file);
 	    $metastring=&getfile($file);
@@ -10233,6 +10238,14 @@ sub get_dns {
         my ($lonid) = @_;
         return $internetdom{$lonid};
     }
+
+    sub is_LC_dns {
+        &load_hosts_tab() if (!$loaded);
+
+        my ($hostname) = @_;
+        return exists($LC_dns_serv{$hostname});
+    }
+
 }
 
 {