--- loncom/lonnet/perl/lonnet.pm	2018/12/05 21:36:18	1.1393
+++ loncom/lonnet/perl/lonnet.pm	2018/12/08 17:38:47	1.1395
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1393 2018/12/05 21:36:18 raeburn Exp $
+# $Id: lonnet.pm,v 1.1395 2018/12/08 17:38:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -711,6 +711,7 @@ sub check_for_valid_session {
 
     if (!defined($disk_env{'user.name'})
 	|| !defined($disk_env{'user.domain'})) {
+        untie(%disk_env);
 	return undef;
     }
 
@@ -723,6 +724,7 @@ sub check_for_valid_session {
             $userhashref->{'ltiuri'} = $disk_env{'request.lti.uri'};
         }
     }
+    untie(%disk_env);
 
     return $handle;
 }
@@ -1739,7 +1741,7 @@ sub trusted_domains {
     if (&domain($calldom) eq '') {
         return ($trusted,$untrusted);
     }
-    unless ($cmdtype =~ /^(content|shared|enroll|coaurem|domroles|catalog|reqcrs|msg)$/) {
+    unless ($cmdtype =~ /^(content|shared|enroll|coaurem|othcoau|domroles|catalog|reqcrs|msg)$/) {
         return ($trusted,$untrusted);
     }
     my $callprimary = &domain($calldom,'primary');
@@ -1761,6 +1763,7 @@ sub trusted_domains {
                 map { $possexc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'exc'}}; 
             }
             if (ref($trustconfig->{$cmdtype}->{'inc'}) eq 'ARRAY') {
+                $possinc{$intcalldom} = 1;
                 map { $possinc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'inc'}};
             }
         }
@@ -1795,12 +1798,12 @@ sub trusted_domains {
             }
             foreach my $exc (@allexc) {
                 if (ref($doms_by_intdom{$exc}) eq 'ARRAY') {
-                    $untrusted = $doms_by_intdom{$exc};
+                    push(@{$untrusted},@{$doms_by_intdom{$exc}});
                 }
             }
             foreach my $inc (@allinc) {
                 if (ref($doms_by_intdom{$inc}) eq 'ARRAY') {
-                    $trusted = $doms_by_intdom{$inc};
+                    push(@{$trusted},@{$doms_by_intdom{$inc}});
                 }
             }
         }