--- loncom/auth/lonacc.pm	2022/06/30 21:04:13	1.205
+++ loncom/auth/lonacc.pm	2022/08/24 20:58:50	1.206
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.205 2022/06/30 21:04:13 raeburn Exp $
+# $Id: lonacc.pm,v 1.206 2022/08/24 20:58:50 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -315,7 +315,7 @@ sub sso_login {
     my %form;
     if ($query) {
         my @items = ('role','symb','iptoken','origurl','ttoken',
-                     'ltoken','linkkey','logtoken','sso');
+                     'ltoken','linkkey','logtoken','sso','lcssowin');
         &Apache::loncommon::get_unprocessed_cgi($query,\@items);
         foreach my $item (@items) {
             if (defined($env{'form.'.$item})) {
@@ -465,6 +465,9 @@ sub sso_login {
                            linkprotuser => $linkprotuser,
                            linkprotexit => $linkprotexit,
                        );
+            if ($env{'form.lcssowin'}) {
+                $data{'lcssowin'} = $env{'form.lcssowin'};
+            }
             my $token = &Apache::lonnet::tmpput(\%data,$r->dir_config('lonHostID'),'link');
             unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) ||
                     ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
@@ -546,6 +549,9 @@ sub sso_login {
             if ($otherserver ne '') {
                 $redirecturl .= '?otherserver='.$otherserver;
             }
+            if ($form{'lcssowin'}) {
+                $redirecturl .= (($redirecturl=~/\?/)?'&':'?') . 'lcssowin=1';
+            }
 	    $r->internal_redirect($redirecturl);
 	    $r->set_handlers('PerlHandler'=> undef);
 	} else {
@@ -558,7 +564,7 @@ sub sso_login {
 		      'server'    => $r->dir_config('lonHostID'),
 		      'sso.login' => 1
 		      );
-            foreach my $item ('role','symb','iptoken','origurl') {
+            foreach my $item ('role','symb','iptoken','origurl','lcssowin') {
                 if (exists($form{$item})) {
                     $info{$item} = $form{$item};
                 } elsif ($sessiondata{$item} ne '') {
@@ -624,7 +630,7 @@ sub sso_login {
             $r->subprocess_env->set('SSOUserDomain' => $domain);
             if (grep(/^sso$/,@cancreate)) {
 #FIXME - need to preserve origurl, role and symb, or linkprot or linkkey for use after account
-# creation
+# creation. If lcssowin is 1, createaccount needs to close pop-up and display in main window.
                 $r->set_handlers('PerlHandler'=> [\&Apache::createaccount::handler]);
                 $r->handler('perl-script');
             } else {