--- loncom/interface/domainprefs.pm	2022/01/19 16:54:16	1.403
+++ loncom/interface/domainprefs.pm	2025/01/12 16:23:33	1.449
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.403 2022/01/19 16:54:16 raeburn Exp $
+# $Id: domainprefs.pm,v 1.449 2025/01/12 16:23:33 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -95,8 +95,7 @@ about default quota sizes for portfolio
 institutional affiliation in the domain (e.g., Faculty, Staff, Student etc.), 
 but is now also used to manage availability of user tools: 
 i.e., blogs, aboutme page, and portfolios, and the course request tool,
-used by course owners to request creation of a course, and to display/store
-default quota sizes for Authoring Spaces.
+used by course owners to request creation of a course.
 
 Outputs: 1
 
@@ -105,7 +104,7 @@ $datatable  - HTML containing form eleme
 In the case of course requests, radio buttons are displayed for each institutional
 affiliate type (and also default, and _LC_adv) for each of the course types 
 (official, unofficial, community, textbook, placement, and lti).  
-In each case the radio buttons allow the selection of one of four values:  
+In each case the radio buttons allow the selection of one of four values:
 
 0, approval, validate, autolimit=N (where N is blank, or a positive integer).
 which have the following effects:
@@ -167,6 +166,7 @@ use Apache::lonmsg();
 use Apache::lonconfigsettings;
 use Apache::lonuserutils();
 use Apache::loncoursequeueadmin();
+use Apache::courseprefs();
 use LONCAPA qw(:DEFAULT :match);
 use LONCAPA::Enrollment;
 use LONCAPA::lonauthcgi();
@@ -177,6 +177,7 @@ use DateTime::TimeZone;
 use DateTime::Locale;
 use Time::HiRes qw( sleep );
 use Net::CIDR;
+use Crypt::CBC;
 
 my $registered_cleanup;
 my $modified_urls;
@@ -220,17 +221,28 @@ sub handler {
                 'serverstatuses','requestcourses','helpsettings',
                 'coursedefaults','usersessions','loadbalancing',
                 'requestauthor','selfenrollment','inststatus',
-                'ltitools','ssl','trust','lti','privacy','passwords',
-                'proctoring','wafproxy','ipaccess'],$dom);
+                'ltitools','toolsec','ssl','trust','lti','ltisec',
+                'privacy','passwords','proctoring','wafproxy',
+                'ipaccess','authordefaults'],$dom);
     my %encconfig =
-        &Apache::lonnet::get_dom('encconfig',['ltitools','lti','proctoring'],$dom,undef,1);
+        &Apache::lonnet::get_dom('encconfig',['ltitools','lti','proctoring','linkprot'],$dom,undef,1);
+    my ($checked_is_home,$is_home);
     if (ref($domconfig{'ltitools'}) eq 'HASH') {
         if (ref($encconfig{'ltitools'}) eq 'HASH') {
+            my $home = &Apache::lonnet::domain($dom,'primary');
+            unless (($home eq 'no_host') || ($home eq '')) {
+                my @ids=&Apache::lonnet::current_machine_ids();
+                if (grep(/^\Q$home\E$/,@ids)) {
+                    $is_home = 1;
+                }
+            }
+            $checked_is_home = 1;
             foreach my $id (keys(%{$domconfig{'ltitools'}})) {
                 if ((ref($domconfig{'ltitools'}{$id}) eq 'HASH') &&
                     (ref($encconfig{'ltitools'}{$id}) eq 'HASH')) {
-                    foreach my $item ('key','secret') {
-                        $domconfig{'ltitools'}{$id}{$item} = $encconfig{'ltitools'}{$id}{$item};
+                    $domconfig{'ltitools'}{$id}{'key'} = $encconfig{'ltitools'}{$id}{'key'};
+                    if (($is_home) && ($phase eq 'process')) {
+                        $domconfig{'ltitools'}{$id}{'secret'} = $encconfig{'ltitools'}{$id}{'secret'};
                     }
                 }
             }
@@ -238,11 +250,39 @@ sub handler {
     }
     if (ref($domconfig{'lti'}) eq 'HASH') {
         if (ref($encconfig{'lti'}) eq 'HASH') {
+            unless ($checked_is_home) {
+                my $home = &Apache::lonnet::domain($dom,'primary');
+                unless (($home eq 'no_host') || ($home eq '')) {
+                    my @ids=&Apache::lonnet::current_machine_ids();
+                    if (grep(/^\Q$home\E$/,@ids)) {
+                        $is_home = 1;
+                    }
+                }
+                $checked_is_home = 1;
+            }
             foreach my $id (keys(%{$domconfig{'lti'}})) {
                 if ((ref($domconfig{'lti'}{$id}) eq 'HASH') &&
                     (ref($encconfig{'lti'}{$id}) eq 'HASH')) {
-                    foreach my $item ('key','secret') {
-                        $domconfig{'lti'}{$id}{$item} = $encconfig{'lti'}{$id}{$item};
+                    $domconfig{'lti'}{$id}{'key'} = $encconfig{'lti'}{$id}{'key'};
+                    if (($is_home) && ($phase eq 'process')) {
+                        $domconfig{'lti'}{$id}{'secret'} = $encconfig{'lti'}{$id}{'secret'};
+                    }
+                }
+            }
+        }
+    }
+    if (ref($domconfig{'ltisec'}) eq 'HASH') {
+        if (ref($domconfig{'ltisec'}{'linkprot'}) eq 'HASH') {
+            if (ref($encconfig{'linkprot'}) eq 'HASH') {
+                foreach my $id (keys(%{$domconfig{'ltisec'}{'linkprot'}})) {
+                    unless ($id =~ /^\d+$/) {
+                        delete($domconfig{'ltisec'}{'linkprot'}{$id});
+                    }
+                    if ((ref($domconfig{'ltisec'}{'linkprot'}{$id}) eq 'HASH') &&
+                        (ref($encconfig{'linkprot'}{$id}) eq 'HASH')) {
+                        foreach my $item ('key','secret') {
+                            $domconfig{'ltisec'}{'linkprot'}{$id}{$item} = $encconfig{'linkprot'}{$id}{$item};
+                        }
                     }
                 }
             }
@@ -265,8 +305,8 @@ sub handler {
                        'contacts','privacy','usercreation','selfcreation',
                        'usermodification','scantron','requestcourses','requestauthor',
                        'coursecategories','serverstatuses','helpsettings','coursedefaults',
-                       'ltitools','proctoring','selfenrollment','usersessions','ssl',
-                       'trust','lti');
+                       'authordefaults','ltitools','proctoring','selfenrollment',
+                       'usersessions','ssl','trust','lti');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -310,7 +350,9 @@ sub handler {
                       header => [{col1 => 'Setting',
                                   col2 => 'Value'},
                                  {col1 => 'Institutional user types',
-                                  col2 => 'Name displayed'}],
+                                  col2 => 'Name displayed'},
+                                 {col1 => 'Mapping for missing usernames via standard log-in',
+                                  col2 => 'Rules in use'}],
                       print => \&print_defaults,
                       modify => \&modify_defaults,
                     },
@@ -340,11 +382,11 @@ sub handler {
                       modify => \&modify_passwords,
                     },
         'quotas' => 
-                    { text => 'Blogs, personal web pages, webDAV/quotas, portfolios',
+                    { text => 'Blogs, personal pages/timezones, portfolio/quotas',
                       help => 'Domain_Configuration_Quotas',
                       header => [{col1 => 'User affiliation',
                                   col2 => 'Available tools',
-                                  col3 => 'Quotas, MB; (Authoring requires role)',}],
+                                  col3 => 'Portfolio quota (MB)',}],
                       print => \&print_quotas,
                       modify => \&modify_quotas,
                     },
@@ -430,6 +472,8 @@ sub handler {
                     header => [{col1 => 'Target user has role',
                                 col2 => 'User information updatable in author context'},
                                {col1 => 'Target user has role',
+                                col2 => 'User information updatable by co-author manager'},
+                               {col1 => 'Target user has role',
                                 col2 => 'User information updatable in course context'}],
                     print => \&print_usermodification,
                     modify => \&modify_usermodification,
@@ -526,7 +570,7 @@ sub handler {
                   modify => \&modify_selfenrollment,
                  },
         'privacy' => 
-                 {text   => 'Availability of User Information',
+                 {text   => 'Role assignments and user privacy',
                   help   => 'Domain_Configuration_User_Privacy',
                   header => [{col1 => 'Role assigned in different domain',
                               col2 => 'Approval options'},
@@ -562,11 +606,15 @@ sub handler {
                   print => \&print_loadbalancing,
                   modify => \&modify_loadbalancing,
                  },
-        'ltitools' => 
+        'ltitools' =>
                  {text => 'External Tools (LTI)',
                   help => 'Domain_Configuration_LTI_Tools',
-                  header => [{col1 => 'Setting',
-                              col2 => 'Value',}],
+                  header => [{col1 => 'Encryption of shared secrets',
+                              col2 => 'Settings'},
+                             {col1 => 'Rules for shared secrets',
+                              col2 => 'Settings'},
+                             {col1 => 'Providers',
+                              col2 => 'Settings',}],
                   print => \&print_ltitools,
                   modify => \&modify_ltitools,
                  },
@@ -616,15 +664,23 @@ sub handler {
                   print => \&print_trust,
                   modify => \&modify_trust,
                  },
-          'lti' =>
-                 {text => 'LTI Provider',
+        'lti' =>
+                 {text => 'LTI Link Protection and LTI Consumers',
                   help => 'Domain_Configuration_LTI_Provider',
-                  header => [{col1 => 'Setting',
-                              col2 => 'Value',}],
+                  header => [{col1 => 'Encryption of shared secrets',
+                              col2 => 'Settings'},
+                             {col1 => 'Rules for shared secrets',
+                              col2 => 'Settings'},
+                             {col1 => 'Link Protectors in Courses',
+                              col2 => 'Values'},
+                             {col1 => 'Link Protectors',
+                              col2 => 'Settings'},
+                             {col1 => 'Consumers',
+                              col2 => 'Settings'},],
                   print => \&print_lti,
                   modify => \&modify_lti,
                  },
-           'ipaccess' =>
+        'ipaccess' =>
                        {text => 'IP-based access control',
                         help => 'Domain_Configuration_IP_Access',
                         header => [{col1 => 'Setting',
@@ -632,6 +688,16 @@ sub handler {
                         print  => \&print_ipaccess,
                         modify => \&modify_ipaccess,
                        },
+        'authordefaults' =>
+                            {text => 'Authoring Space defaults',
+                             help => 'Domain_Configuration_Author_Defaults',
+                             header => [{col1 => 'Defaults which can be overridden by Author',
+                                         col2 => 'Settings',},
+                                        {col1 => 'Defaults which can be overridden by a Dom. Coord.',
+                                         col2 => 'Settings',},],
+                             print => \&print_authordefaults,
+                             modify => \&modify_authordefaults,
+                            },
     );
     if (keys(%servers) > 1) {
         $prefs{'login'}  = { text   => 'Log-in page options',
@@ -639,7 +705,7 @@ sub handler {
                             header => [{col1 => 'Log-in Service',
                                         col2 => 'Server Setting',},
                                        {col1 => 'Log-in Page Items',
-                                        col2 => ''},
+                                        col2 => 'Settings'},
                                        {col1 => 'Log-in Help',
                                         col2 => 'Value'},
                                        {col1 => 'Custom HTML in document head',
@@ -830,13 +896,15 @@ sub process_changes {
     } elsif ($action eq 'lti') {
         $output = &modify_lti($r,$dom,$action,$lastactref,%domconfig);
     } elsif ($action eq 'privacy') {
-        $output = &modify_privacy($dom,%domconfig);
+        $output = &modify_privacy($dom,$lastactref,%domconfig);
     } elsif ($action eq 'passwords') {
         $output = &modify_passwords($r,$dom,$confname,$lastactref,%domconfig);
     } elsif ($action eq 'wafproxy') {
         $output = &modify_wafproxy($dom,$action,$lastactref,%domconfig);
     } elsif ($action eq 'ipaccess') {
         $output = &modify_ipaccess($dom,$lastactref,%domconfig);
+    } elsif ($action eq 'authordefaults') {
+        $output = &modify_authordefaults($dom,$lastactref,%domconfig);
     }
     return $output;
 }
@@ -850,7 +918,7 @@ sub print_config_box {
     } elsif ($action eq 'defaults') {
         $output = &defaults_javascript($settings); 
     } elsif ($action eq 'passwords') {
-        $output = &passwords_javascript();
+        $output = &passwords_javascript($action);
     } elsif ($action eq 'helpsettings') {
         my (%privs,%levelscurrent);
         my %full=();
@@ -865,12 +933,13 @@ sub print_config_box {
         &Apache::lonuserutils::custom_role_privs(\%privs,\%full,\%levels,\%levelscurrent);
         my @templateroles = &Apache::lonuserutils::custom_template_roles($context,$crstype);
         $output =
-            &Apache::lonuserutils::custom_roledefs_js($context,$crstype,$formname,\%full, 
+            &Apache::lonuserutils::custom_roledefs_js($context,$crstype,$formname,\%full,
                                                       \@templateroles);
     } elsif ($action eq 'ltitools') {
-        $output .= &ltitools_javascript($settings);
+        $output .= &Apache::lonconfigsettings::ltitools_javascript($settings);
     } elsif ($action eq 'lti') {
-        $output .= &lti_javascript($settings);
+        $output .= &passwords_javascript('ltisecrets')."\n".
+                   &lti_javascript($dom,$settings);
     } elsif ($action eq 'proctoring') {
         $output .= &proctoring_javascript($settings);
     } elsif ($action eq 'wafproxy') {
@@ -883,6 +952,8 @@ sub print_config_box {
         $output .= &saml_javascript();
     } elsif ($action eq 'ipaccess') {
         $output .= &ipaccess_javascript($settings);
+    } elsif ($action eq 'authordefaults') {
+        $output .= &authordefaults_javascript();
     }
     $output .=
          '<table class="LC_nested_outer">
@@ -924,7 +995,8 @@ sub print_config_box {
             ($action eq 'usermodification') || ($action eq 'defaults') || ($action eq 'coursedefaults') ||
             ($action eq 'selfenrollment') || ($action eq 'usersessions') || ($action eq 'ssl') ||
             ($action eq 'directorysrch') || ($action eq 'trust') || ($action eq 'helpsettings') ||
-            ($action eq 'contacts') || ($action eq 'privacy') || ($action eq 'wafproxy')) {
+            ($action eq 'contacts') || ($action eq 'privacy') || ($action eq 'wafproxy') ||
+            ($action eq 'lti') || ($action eq 'ltitools') || ($action eq 'authordefaults')) {
             $output .= $item->{'print'}->('top',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'passwords') {
             $output .= $item->{'print'}->('top',$dom,$confname,$settings,\$rowtotal);
@@ -959,8 +1031,9 @@ sub print_config_box {
         if (($action eq 'autoupdate') || ($action eq 'usercreation') ||
             ($action eq 'selfcreation') || ($action eq 'selfenrollment') ||
             ($action eq 'usersessions') || ($action eq 'coursecategories') || 
-            ($action eq 'trust') || ($action eq 'contacts') ||
-            ($action eq 'privacy') || ($action eq 'passwords')) {
+            ($action eq 'trust') || ($action eq 'contacts') || ($action eq 'defaults') ||
+            ($action eq 'privacy') || ($action eq 'passwords') || ($action eq 'lti') ||
+            ($action eq 'ltitools') || ($action eq 'usermodification')) {
             if ($action eq 'coursecategories') {
                 $output .= &print_coursecategories('middle',$dom,$item,$settings,\$rowtotal);
                 $colspan = ' colspan="2"';
@@ -968,6 +1041,19 @@ sub print_config_box {
                 $output .= $item->{'print'}->('shared',$dom,$settings,\$rowtotal);
             } elsif ($action eq 'passwords') {
                 $output .= $item->{'print'}->('middle',$dom,$confname,$settings,\$rowtotal);
+            } elsif ($action eq 'lti') {
+                $output .= $item->{'print'}->('upper',$dom,$settings,\$rowtotal).'
+                           </table>
+                          </td>
+                         </tr>
+                         <tr>
+                          <td>
+                          <table class="LC_nested">
+                           <tr class="LC_info_row">
+                            <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
+                            <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
+                           </tr>'."\n".
+                           $item->{'print'}->('middle',$dom,$settings,\$rowtotal);
             } else {
                 $output .= $item->{'print'}->('middle',$dom,$settings,\$rowtotal);
             }
@@ -1000,6 +1086,10 @@ sub print_config_box {
               <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[8]->{'col2'}).'</td></tr>'.
                            $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
             } else {
+                my $hdridx = 2;
+                if ($action eq 'lti') {
+                    $hdridx = 3;
+                }
                 $output .= '
            </table>
           </td>
@@ -1008,17 +1098,19 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
-              <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[$hdridx]->{'col1'}).'</td>
+              <td class="LC_right_item">'.&mt($item->{'header'}->[$hdridx]->{'col2'}).'</td>
              </tr>'."\n";
                 if ($action eq 'coursecategories') {
                     $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
-                } elsif (($action eq 'contacts') || ($action eq 'privacy') || ($action eq 'passwords')) {
+                } elsif (($action eq 'contacts') || ($action eq 'privacy') || 
+                         ($action eq 'passwords') || ($action eq 'lti')) {
                     if ($action eq 'passwords') {
                         $output .= $item->{'print'}->('lower',$dom,$confname,$settings,\$rowtotal);
                     } else {
                         $output .= $item->{'print'}->('lower',$dom,$settings,\$rowtotal);
                     }
+                    $hdridx ++;
                     $output .= '
              </tr>
             </table>
@@ -1028,8 +1120,8 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item'.$leftnobr.'"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
-              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col2'}).'</td></tr>'."\n";
+              <td class="LC_left_item'.$leftnobr.'"'.$colspan.'>'.&mt($item->{'header'}->[$hdridx]->{'col1'}).'</td>
+              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[$hdridx]->{'col2'}).'</td></tr>'."\n";
                     if ($action eq 'passwords') {
                         $output .= $item->{'print'}->('bottom',$dom,$confname,$settings,\$rowtotal);
                     } else {
@@ -1045,9 +1137,9 @@ sub print_config_box {
                 }
             }
             $rowtotal ++;
-        } elsif (($action eq 'usermodification') || ($action eq 'coursedefaults') ||
-                 ($action eq 'defaults') || ($action eq 'directorysrch') ||
-                 ($action eq 'helpsettings') || ($action eq 'wafproxy')) {
+        } elsif (($action eq 'coursedefaults') || ($action eq 'authordefaults') ||
+                 ($action eq 'directorysrch') || ($action eq 'helpsettings') ||
+                 ($action eq 'wafproxy')) {
             $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'scantron') {
             $output .= $item->{'print'}->($r,'bottom',$dom,$confname,$settings,\$rowtotal);
@@ -1250,7 +1342,6 @@ sub print_config_box {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
         } elsif (($action eq 'autoenroll') || ($action eq 'autocreate') || 
                  ($action eq 'serverstatuses') || ($action eq 'loadbalancing') || 
-                 ($action eq 'ltitools') || ($action eq 'lti') ||
                  ($action eq 'proctoring') || ($action eq 'ipaccess')) {
             $output .= $item->{'print'}->($dom,$settings,\$rowtotal);
         }
@@ -1601,13 +1692,13 @@ sub print_login {
                       '<table><tr><th>'.$choices{'hostid'}.'</th>'.
                       '<th>'.$choices{'samllanding'}.'</th>'.
                       '<th>'.$choices{'samloptions'}.'</th></tr>'."\n";
-        my (%saml,%samltext,%samlimg,%samlalt,%samlurl,%samltitle,%samlnotsso,%styleon,%styleoff);
+        my (%saml,%samltext,%samlimg,%samlalt,%samlurl,%samltitle,%samlwindow,%samlnotsso,%styleon,%styleoff);
         foreach my $lonhost (keys(%domservers)) {
             $samlurl{$lonhost} = '/adm/sso';
             $styleon{$lonhost} = 'display:none';
             $styleoff{$lonhost} = '';
         }
-        if (ref($settings->{'saml'}) eq 'HASH') {
+        if ((ref($settings) eq 'HASH') && (ref($settings->{'saml'}) eq 'HASH')) {
             foreach my $lonhost (keys(%{$settings->{'saml'}})) {
                 if (ref($settings->{'saml'}{$lonhost}) eq 'HASH') {
                     $saml{$lonhost} = 1;
@@ -1616,6 +1707,7 @@ sub print_login {
                     $samlalt{$lonhost} = $settings->{'saml'}{$lonhost}{'alt'};
                     $samlurl{$lonhost} = $settings->{'saml'}{$lonhost}{'url'};
                     $samltitle{$lonhost} = $settings->{'saml'}{$lonhost}{'title'};
+                    $samlwindow{$lonhost} = $settings->{'saml'}{$lonhost}{'window'};
                     $samlnotsso{$lonhost} = $settings->{'saml'}{$lonhost}{'notsso'};
                     $styleon{$lonhost} = '';
                     $styleoff{$lonhost} = 'display:none';
@@ -1633,6 +1725,12 @@ sub print_login {
                 $samlon = $samloff;
                 $samloff = ' ';
             }
+            my $samlwinon = '';
+            my $samlwinoff = ' checked="checked"';
+            if ($samlwindow{$lonhost}) {
+                $samlwinon = $samlwinoff;
+                $samlwinoff = '';
+            }
             my $css_class = $itemcount%2?' class="LC_odd_row"':'';
             $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.$domservers{$lonhost}.'</span></td>'.
                           '<td><span class="LC_nobreak"><label><input type="radio" name="saml_'.$lonhost.'"'.$samloff.
@@ -1642,12 +1740,10 @@ sub print_login {
                           'onclick="toggleSamlOptions(this.form,'."'$lonhost'".');" value="1" />'.
                           &mt('Yes').'</label></span></td>'.
                           '<td id="samloptionson_'.$lonhost.'" style="'.$styleon{$lonhost}.'" width="100%">'.
-                          '<table><tr><th colspan="5" align="center">'.&mt('SSO').'</th><th align="center">'.
-                          '<span class="LC_nobreak">'.&mt('Non-SSO').'</span></th></tr>'.
+                          '<table width="100%"><tr><th colspan="3" align="center">'.&mt('SSO').'</th></tr>'.
                           '<tr><th>'.&mt('Text').'</th><th>'.&mt('Image').'</th>'.
-                          '<th>'.&mt('Alt Text').'</th><th>'.&mt('URL').'</th>'.
-                          '<th>'.&mt('Tool Tip').'</th><th>'.&mt('Text').'</th></tr>'.
-                          '<tr'.$css_class.'><td><input type="text" name="saml_text_'.$lonhost.'" size="8" value="'.
+                          '<th>'.&mt('Alt Text').'</th></tr>'.
+                          '<tr'.$css_class.'><td><input type="text" name="saml_text_'.$lonhost.'" size="20" value="'.
                           $samltext{$lonhost}.'" /></td><td>';
             if ($samlimg{$lonhost}) {
                 $datatable .= '<img src="'.$samlimg{$lonhost}.'" /><br />'.
@@ -1664,13 +1760,21 @@ sub print_login {
                 $datatable .= '<input type="file" name="saml_img_'.$lonhost.'" />';
             }
             $datatable .= '</td>'.
-                          '<td><input type="text" name="saml_alt_'.$lonhost.'" size="20" '.
-                          'value="'.$samlalt{$lonhost}.'" /></td>'.
-                          '<td><input type="text" name="saml_url_'.$lonhost.'" size="8" '.
+                          '<td><input type="text" name="saml_alt_'.$lonhost.'" size="25" '.
+                          'value="'.$samlalt{$lonhost}.'" /></td></tr></table><br />'.
+                          '<table width="100%"><tr><th colspan="3" align="center">'.&mt('SSO').'</th><th align="center">'.
+                          '<span class="LC_nobreak">'.&mt('Non-SSO').'</span></th></tr>'.
+                          '<tr><th>'.&mt('URL').'</th><th>'.&mt('Tool Tip').'</th>'.
+                          '<th>'.&mt('Pop-up if iframe').'</th><th>'.&mt('Text').'</th></tr>'.
+                          '<tr'.$css_class.'>'.
+                          '<td><input type="text" name="saml_url_'.$lonhost.'" size="30" '.
                           'value="'.$samlurl{$lonhost}.'" /></td>'.
-                          '<td><textarea name="saml_title_'.$lonhost.'" rows="3" cols="15">'.
+                          '<td><textarea name="saml_title_'.$lonhost.'" rows="3" cols="20">'.
                           $samltitle{$lonhost}.'</textarea></td>'.
-                          '<td><input type="text" name="saml_notsso_'.$lonhost.'" size="8" '.
+                          '<td><label><input type="radio" name="saml_window_'.$lonhost.'" value=""'.$samlwinoff.'>'.
+                          &mt('No').'</label>'.('&nbsp;'x2).'<label><input type="radio" '.
+                          'name="saml_window_'.$lonhost.'" value="1"'.$samlwinon.'>'.&mt('Yes').'</label></td>'.
+                          '<td><input type="text" name="saml_notsso_'.$lonhost.'" size="12" '.
                           'value="'.$samlnotsso{$lonhost}.'" /></td></tr>'.
                           '</table></td>'.
                           '<td id="samloptionsoff_'.$lonhost.'" style="'.$styleoff{$lonhost}.'" width="100%">&nbsp;</td></tr>';
@@ -1905,10 +2009,11 @@ sub commblocktype_text {
         'passwd' => 'Change Password',
         'grades' => 'Gradebook',
         'search' => 'Course search',
+        'index'  => 'Course content index',
         'wishlist' => 'Stored links',
         'annotate' => 'Annotations',
     );
-    my $typeorder = ['com','chat','boards','port','groups','blogs','about','wishlist','printout','grades','search','annotate','passwd'];
+    my $typeorder = ['com','chat','boards','port','groups','blogs','about','wishlist','printout','grades','search','index','annotate','passwd'];
     return ($typeorder,\%types);
 }
 
@@ -1917,7 +2022,7 @@ sub print_rolecolors {
     my %choices = &color_font_choices();
     my @bgs = ('pgbg','tabbg','sidebg');
     my @links = ('link','alink','vlink');
-    my @images = ('img');
+    my @images = ();
     my %alt_text = &Apache::lonlocal::texthash(img => "Banner for $role role");
     my %designhash = &Apache::loncommon::get_domainconf($dom);
     my %defaultdesign = %Apache::loncommon::defaultdesign;
@@ -1925,10 +2030,6 @@ sub print_rolecolors {
     my %defaults = &role_defaults($role,\@bgs,\@links,\@images);
     if (ref($settings) eq 'HASH') {
         if (ref($settings->{$role}) eq 'HASH') {
-            if ($settings->{$role}->{'img'} ne '') {
-                $designs{'img'} = $settings->{$role}->{'img'};
-                $is_custom{'img'} = 1;
-            }
             if ($settings->{$role}->{'font'} ne '') {
                 $designs{'font'} = $settings->{$role}->{'font'};
                 $is_custom{'font'} = 1;
@@ -1951,10 +2052,6 @@ sub print_rolecolors {
             }
         }
     } else {
-        if ($designhash{$dom.'.'.$role.'.img'} ne '') {
-            $designs{img} = $designhash{$dom.'.'.$role.'.img'};
-            $is_custom{'img'} = 1;
-        }
         if ($designhash{$dom.'.'.$role.'.fontmenu'} ne '') {
             $designs{fontmenu} = $designhash{$dom.'.'.$role.'.fontmenu'};
             $is_custom{'fontmenu'} = 1; 
@@ -2004,7 +2101,6 @@ sub role_defaults {
         }
     } else {
         %defaults = (
-                       img => $defaultdesign{$role.'.img'},
                        font => $defaultdesign{$role.'.font'},
                        fontmenu => $defaultdesign{$role.'.fontmenu'},
                     );
@@ -2329,7 +2425,7 @@ sub print_quotas {
     } else {
         $context = $action;
     }
-    my ($datatable,$defaultquota,$authorquota,@usertools,@options,%validations);
+    my ($datatable,$defaultquota,@usertools,@options,%validations);
     my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
     my $typecount = 0;
     my ($css_class,%titles);
@@ -2343,12 +2439,12 @@ sub print_quotas {
         @options = ('norequest','approval','automatic');
         %titles = &authorrequest_titles();
     } else {
-        @usertools = ('aboutme','blog','webdav','portfolio');
+        @usertools = ('aboutme','blog','portfolio','portaccess','timezone');
         %titles = &tool_titles();
     }
     if (ref($types) eq 'ARRAY') {
         foreach my $type (@{$types}) {
-            my ($currdefquota,$currauthorquota);
+            my $currdefquota;
             unless (($context eq 'requestcourses') ||
                     ($context eq 'requestauthor')) {
                 if (ref($settings) eq 'HASH') {
@@ -2357,9 +2453,6 @@ sub print_quotas {
                     } else {
                         $currdefquota = $settings->{$type};
                     }
-                    if (ref($settings->{authorquota}) eq 'HASH') {
-                        $currauthorquota = $settings->{authorquota}->{$type};
-                    }
                 }
             }
             if (defined($usertypes->{$type})) {
@@ -2447,9 +2540,12 @@ sub print_quotas {
                         }
                     } else {
                         my $checked = 'checked="checked" ';
+                        if ($item eq 'timezone') {
+                            $checked = '';
+                        }
                         if (ref($settings) eq 'HASH') {
                             if (ref($settings->{$item}) eq 'HASH') {
-                                if ($settings->{$item}->{$type} == 0) {
+                                if (!$settings->{$item}->{$type}) {
                                     $checked = '';
                                 } elsif ($settings->{$item}->{$type} == 1) {
                                     $checked =  'checked="checked" ';
@@ -2474,13 +2570,9 @@ sub print_quotas {
                         ($context eq 'requestauthor')) {
                     $datatable .= 
                               '<td class="LC_right_item">'.
-                              '<span class="LC_nobreak">'.&mt('Portfolio').':&nbsp;'.
+                              '<span class="LC_nobreak">'.
                               '<input type="text" name="quota_'.$type.
                               '" value="'.$currdefquota.
-                              '" size="5" /></span>'.('&nbsp;' x 2).
-                              '<span class="LC_nobreak">'.&mt('Authoring').':&nbsp;'.
-                              '<input type="text" name="authorquota_'.$type.
-                              '" value="'.$currauthorquota.
                               '" size="5" /></span></td>';
                 }
                 $datatable .= '</tr>';
@@ -2489,16 +2581,12 @@ sub print_quotas {
     }
     unless (($context eq 'requestcourses') || ($context eq 'requestauthor')) {
         $defaultquota = '20';
-        $authorquota = '500';
         if (ref($settings) eq 'HASH') {
             if (ref($settings->{'defaultquota'}) eq 'HASH') {
                 $defaultquota = $settings->{'defaultquota'}->{'default'};
             } elsif (defined($settings->{'default'})) {
                 $defaultquota = $settings->{'default'};
             }
-            if (ref($settings->{'authorquota'}) eq 'HASH') {
-                $authorquota = $settings->{'authorquota'}->{'default'};
-            }
         }
     }
     $typecount ++;
@@ -2610,12 +2698,9 @@ sub print_quotas {
     $datatable .= '</td>';
     unless (($context eq 'requestcourses') || ($context eq 'requestauthor')) {
         $datatable .= '<td class="LC_right_item">'.
-                      '<span class="LC_nobreak">'.&mt('Portfolio').':&nbsp;'.
+                      '<span class="LC_nobreak">'.
                       '<input type="text" name="defaultquota" value="'.
-                      $defaultquota.'" size="5" /></span>'.('&nbsp;' x2).
-                      '<span class="LC_nobreak">'.&mt('Authoring').':&nbsp;'.
-                      '<input type="text" name="authorquota" value="'.
-                      $authorquota.'" size="5" /></span></td>';
+                      $defaultquota.'" size="5" /></span></td>';
     }
     $datatable .= '</tr>';
     $typecount ++;
@@ -3386,10 +3471,19 @@ ENDSCRIPT
 
 
 sub lti_javascript {
-    my ($settings) = @_;
-    my $togglejs = &lti_toggle_js();
+    my ($dom,$settings) = @_;
+    my $togglejs = &lti_toggle_js($dom);
+    my $linkprot_js = &Apache::courseprefs::linkprot_javascript();
     unless (ref($settings) eq 'HASH') {
-        return $togglejs;
+        return $togglejs.'
+<script type="text/javascript">
+// <![CDATA[
+
+'.$linkprot_js.'
+
+// ]]>
+</script>
+';
     }
     my (%ordered,$total,%jstext);
     $total = scalar(keys(%{$settings}));
@@ -3451,6 +3545,9 @@ $jstext
     }
     return;
 }
+
+$linkprot_js
+
 // ]]>
 </script>
 
@@ -3460,12 +3557,16 @@ ENDSCRIPT
 }
 
 sub lti_toggle_js {
+    my ($dom) = @_;
     my %lcauthparmtext = &Apache::lonlocal::texthash (
                             localauth => 'Local auth argument',
                             krb       => 'Kerberos domain',
                          );
     my $crsincalert = &mt('"User\'s identity sent" needs to be set to "Yes" first,[_1] before setting "Course\'s identity sent" to "Yes"',"\n");
     &js_escape(\$crsincalert);
+    my %servers = &Apache::lonnet::get_servers($dom,'library');
+    my $primary = &Apache::lonnet::domain($dom,'primary');
+    my $course_servers = "'".join("','",keys(%servers))."'";
     return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
@@ -3564,7 +3665,7 @@ function toggleLTI(form,setting,item) {
                            break;
                        }
                    }
-               } 
+               }
             }
             if (!setvis) {
                 if (document.getElementById(divid)) {
@@ -3641,7 +3742,7 @@ function toggleLTI(form,setting,item) {
         var divid = 'lti_menufield_'+item;
         var setvis = '';
         for (var i=0; i<menus.length; i++) {
-            var radioname = menus[i];  
+            var radioname = menus[i];
             var num = form.elements[radioname].length;
             if (num) {
                 for (var j=0; j<num; j++) {
@@ -3668,6 +3769,7 @@ function toggleLTI(form,setting,item) {
     }
     return;
 }
+
 // ]]>
 </script>
 
@@ -3748,16 +3850,16 @@ sub saml_javascript {
     return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
-function toggleSamlOptions(form,hostid) { 
+function toggleSamlOptions(form,hostid) {
     var radioname = 'saml_'+hostid;
     var tablecellon = 'samloptionson_'+hostid;
     var tablecelloff = 'samloptionsoff_'+hostid;
     var num = form.elements[radioname].length;
     if (num) {
-        var setvis = ''; 
+        var setvis = '';
         for (var i=0; i<num; i++) {
             if (form.elements[radioname][i].checked) {
-                if (form.elements[radioname][i].value == '1') { 
+                if (form.elements[radioname][i].value == '1') {
                     if (document.getElementById(tablecellon)) {
                         document.getElementById(tablecellon).style.display='';
                     }
@@ -3854,6 +3956,39 @@ $jstext
 ENDSCRIPT
 }
 
+sub authordefaults_javascript {
+    my %alert = &Apache::lonlocal::texthash (
+                    reqd => 'Warning: at least one editor needs to be available.',
+                    rest => 'Unchecking this editor disallowed while others unchecked.',
+    );
+    &js_escape(\%alert);
+    return <<"ENDSCRIPT";
+<script type="text/javascript">
+// <![CDATA[
+
+function checkEditors(form,checkbox,current) {
+    if (form.elements[checkbox].length != undefined) {
+        var count = 0;
+        for (var i=0; i<form.elements[checkbox].length; i++) {
+            if (form.elements[checkbox][i].checked) {
+                count ++;
+            }
+        }
+        if (count == 0) {
+            if (current.type =='radio') {
+                current.checked = true;
+                alert('$alert{reqd}\\n$alert{rest}');
+            }
+        }
+    }
+    return;
+}
+// ]]>
+</script>
+
+ENDSCRIPT
+}
+
 sub print_autoenroll {
     my ($dom,$settings,$rowtotal) = @_;
     my $autorun = &Apache::lonnet::auto_run(undef,$dom),
@@ -4525,7 +4660,7 @@ sub print_contacts {
                 map {$excluded{$_} = 1; } @{$lonstatus{'excluded'}};
             }
         }
-        foreach my $item ('errorthreshold','errorsysmail') { 
+        foreach my $item ('errorthreshold','errorsysmail') {
             $css_class = $rownum%2?' class="LC_odd_row"':'';
             $datatable .= '<tr'.$css_class.'>'.
                           '<td class="LC_left_item"><span class="LC_nobreak">'.
@@ -4607,7 +4742,7 @@ sub print_contacts {
                             $includeloc{'override_'.$key} = '';
                             $includestr{'override_'.$key} = '';
                             if ($settings->{'overrides'}{$key}{'include'} ne '') {
-                                ($includeloc{'override_'.$key},$includestr{'override_'.$key}) = 
+                                ($includeloc{'override_'.$key},$includestr{'override_'.$key}) =
                                     split(/:/,$settings->{'overrides'}{$key}{'include'},2);
                                 $includestr{'override_'.$key} = &unescape($includestr{'override_'.$key});
                             }
@@ -4619,7 +4754,6 @@ sub print_contacts {
             my $optionsprefix = 'LC_options_helpdesk_';
 
             my $onclicktypes = "toggleHelpdeskRow(this.form,'overrides','$customclass','$optionsprefix');";
- 
             $datatable .= &insttypes_row($settings,$types,$usertypes,$dom,
                                          $numinrow,$othertitle,'overrides',
                                          \$rownum,$onclicktypes,$customclass);
@@ -4686,7 +4820,7 @@ sub overridden_helpdesk {
             }
             my $title;
             if (ref($short_titles) eq 'HASH') {
-                $title = $short_titles->{$item}; 
+                $title = $short_titles->{$item};
             }
             $output .= '<label>'.
                        '<input type="checkbox" name="override_'.$type.'"'.$check.
@@ -4765,7 +4899,6 @@ function toggleHelpdeskRow(form,checkbox
     return;
 }
 
-
 // ]]>
 </script>
 
@@ -5219,421 +5352,50 @@ sub radiobutton_prefs {
 }
 
 sub print_ltitools {
-    my ($dom,$settings,$rowtotal) = @_;
-    my $rownum = 0;
-    my $css_class;
-    my $itemcount = 1;
-    my $maxnum = 0;
-    my %ordered;
+    my ($position,$dom,$settings,$rowtotal) = @_;
+    my (%rules,%encrypt,%privkeys,%linkprot);
     if (ref($settings) eq 'HASH') {
-        foreach my $item (keys(%{$settings})) {
-            if (ref($settings->{$item}) eq 'HASH') {
-                my $num = $settings->{$item}{'order'};
-                $ordered{$num} = $item;
-            }
-        }
-    }
-    my $confname = $dom.'-domainconfig';
-    my $switchserver = &check_switchserver($dom,$confname);
-    my $maxnum = scalar(keys(%ordered));
-    my $datatable;
-    my %lt = &ltitools_names();
-    my @courseroles = ('cc','in','ta','ep','st');
-    my @ltiroles = qw(Instructor ContentDeveloper TeachingAssistant Learner);
-    my @fields = ('fullname','firstname','lastname','email','roles','user');
-    if (keys(%ordered)) {
-        my @items = sort { $a <=> $b } keys(%ordered);
-        for (my $i=0; $i<@items; $i++) {
-            $css_class = $itemcount%2?' class="LC_odd_row"':'';
-            my $item = $ordered{$items[$i]};
-            my ($title,$key,$secret,$url,$lifetime,$imgsrc,%sigsel);
-            if (ref($settings->{$item}) eq 'HASH') {
-                $title = $settings->{$item}->{'title'};
-                $url = $settings->{$item}->{'url'};
-                $key = $settings->{$item}->{'key'};
-                $secret = $settings->{$item}->{'secret'};
-                $lifetime = $settings->{$item}->{'lifetime'};
-                my $image = $settings->{$item}->{'image'};
-                if ($image ne '') {
-                    $imgsrc = '<img src="'.$image.'" alt="'.&mt('Tool Provider icon').'" />';
-                }
-                if ($settings->{$item}->{'sigmethod'} eq 'HMAC-256') {
-                    $sigsel{'HMAC-256'} = ' selected="selected"';
-                } else {
-                    $sigsel{'HMAC-SHA1'} = ' selected="selected"';
-                }
-            }
-            my $chgstr = ' onchange="javascript:reorderLTITools(this.form,'."'ltitools_".$item."'".');"';
-            $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
-                         .'<select name="ltitools_'.$item.'"'.$chgstr.'>';
-            for (my $k=0; $k<=$maxnum; $k++) {
-                my $vpos = $k+1;
-                my $selstr;
-                if ($k == $i) {
-                    $selstr = ' selected="selected" ';
-                }
-                $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
-            }
-            $datatable .= '</select>'.('&nbsp;'x2).
-                '<label><input type="checkbox" name="ltitools_del" value="'.$item.'" />'.
-                &mt('Delete?').'</label></span></td>'.
-                '<td colspan="2">'.
-                '<fieldset><legend>'.&mt('Required settings').'</legend>'.
-                '<span class="LC_nobreak">'.$lt{'title'}.':<input type="text" size="20" name="ltitools_title_'.$i.'" value="'.$title.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'version'}.':<select name="ltitools_version_'.$i.'">'.
-                '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'msgtype'}.':<select name="ltitools_msgtype_'.$i.'">'.
-                '<option value="basic-lti-launch-request" selected="selected">Launch</option></select></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'sigmethod'}.':<select name="ltitools_sigmethod_'.$i.'">'.
-                '<option value="HMAC-SHA1"'.$sigsel{'HMAC-SHA1'}.'>HMAC-SHA1</option>'.
-                '<option value="HMAC-SHA256"'.$sigsel{'HMAC-SHA256'}.'>HMAC-SHA256</option></select></span>'.
-                '<br /><br />'.
-                '<span class="LC_nobreak">'.$lt{'url'}.':<input type="text" size="40" name="ltitools_url_'.$i.'"'.
-                ' value="'.$url.'" /></span>'.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'key'}.':'.
-                '<input type="text" size="25" name="ltitools_key_'.$i.'" value="'.$key.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'lifetime'}.':'.
-                '<input type="text" size="5" name="ltitools_lifetime_'.$i.'" value="'.$lifetime.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'secret'}.':'.
-                '<input type="password" size="20" name="ltitools_secret_'.$i.'" value="'.$secret.'" />'.
-                '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.ltitools_secret_'.$i.'.type='."'text'".' } else { this.form.ltitools_secret_'.$i.'.type='."'password'".' }" />'.&mt('Visible input').'</label>'.
-                '<input type="hidden" name="ltitools_id_'.$i.'" value="'.$item.'" /></span>'.
-                '</fieldset>'.
-                '<fieldset><legend>'.&mt('Optional settings').'</legend>'.
-                '<span class="LC_nobreak">'.&mt('Display target:');
-            my %currdisp;
-            if (ref($settings->{$item}->{'display'}) eq 'HASH') {
-                if ($settings->{$item}->{'display'}->{'target'} eq 'window') {
-                    $currdisp{'window'} = ' checked="checked"';
-                } elsif ($settings->{$item}->{'display'}->{'target'} eq 'tab') {
-                    $currdisp{'tab'} = ' checked="checked"';
-                } else {
-                    $currdisp{'iframe'} = ' checked="checked"';
-                }
-                if ($settings->{$item}->{'display'}->{'width'} =~ /^(\d+)$/) {
-                    $currdisp{'width'} = $1;
-                }
-                if ($settings->{$item}->{'display'}->{'height'} =~ /^(\d+)$/) {
-                     $currdisp{'height'} = $1;
-                }
-                $currdisp{'linktext'} = $settings->{$item}->{'display'}->{'linktext'};
-                $currdisp{'explanation'} = $settings->{$item}->{'display'}->{'explanation'};
-            } else {
-                $currdisp{'iframe'} = ' checked="checked"';
-            }
-            foreach my $disp ('iframe','tab','window') {
-                $datatable .= '<label><input type="radio" name="ltitools_target_'.$i.'" value="'.$disp.'"'.$currdisp{$disp}.' />'.
-                              $lt{$disp}.'</label>'.('&nbsp;'x2);
-            }
-            $datatable .= ('&nbsp;'x4);
-            foreach my $dimen ('width','height') {
-                $datatable .= '<label>'.$lt{$dimen}.'&nbsp;'.
-                              '<input type="text" name="ltitools_'.$dimen.'_'.$i.'" size="5" value="'.$currdisp{$dimen}.'" /></label>'.
-                              ('&nbsp;'x2);
-            }
-            $datatable .= '</span><br />'.
-                          '<div class="LC_left_float">'.$lt{'linktext'}.'<br />'.
-                          '<input type="text" name="ltitools_linktext_'.$i.'" size="25" value="'.$currdisp{'linktext'}.'" /></div>'.
-                          '<div class="LC_left_float">'.$lt{'explanation'}.'<br />'.
-                          '<textarea name="ltitools_explanation_'.$i.'" rows="5" cols="40">'.$currdisp{'explanation'}.
-                          '</textarea></div><div style=""></div><br />';
-            my %units = (
-                          'passback' => 'days',
-                          'roster'   => 'seconds',
-                        );
-            foreach my $extra ('passback','roster') {
-                my $validsty = 'none';
-                my $currvalid;
-                my $checkedon = '';
-                my $checkedoff = ' checked="checked"';
-                if ($settings->{$item}->{$extra}) {
-                    $checkedon = $checkedoff;
-                    $checkedoff = '';
-                    $validsty = 'inline-block';
-                    if ($settings->{$item}->{$extra.'valid'} =~ /^\d+\.?\d*$/) {
-                        $currvalid = $settings->{$item}->{$extra.'valid'};
-                    }
-                }
-                my $onclick = ' onclick="toggleLTITools(this.form,'."'$extra','$i'".');"';
-                $datatable .= '<div class="LC_floatleft"><span class="LC_nobreak">'.$lt{$extra}.'&nbsp;'.
-                              '<label><input type="radio" name="ltitools_'.$extra.'_'.$i.'" value="0"'.$checkedoff.$onclick.' />'.
-                              &mt('No').'</label>'.('&nbsp;'x2).
-                              '<label><input type="radio" name="ltitools_'.$extra.'_'.$i.'" value="1"'.$checkedon.$onclick.' />'.
-                              &mt('Yes').'</label></span></div>'.
-                              '<div class="LC_floatleft" style="display:'.$validsty.';" id="ltitools_'.$extra.'time_'.$i.'">'.
-                              '<span class="LC_nobreak">'.
-                              &mt("at least [_1] $units{$extra} after launch",
-                                  '<input type="text" name="ltitools_'.$extra.'valid_'.$i.'" value="'.$currvalid.'" />').
-                              '</span></div><div style="padding:0;clear:both;margin:0;border:0"></div>';
-            }
-            $datatable .= '<span class="LC_nobreak">'.$lt{'icon'}.':&nbsp;';
-            if ($imgsrc) {
-                $datatable .= $imgsrc.
-                              '<label><input type="checkbox" name="ltitools_image_del"'.
-                              ' value="'.$item.'" />'.&mt('Delete?').'</label></span> '.
-                              '<span class="LC_nobreak">&nbsp;'.&mt('Replace:').'&nbsp;';
-            } else {
-                $datatable .= '('.&mt('if larger than 21x21 pixels, image will be scaled').')&nbsp;';
-            }
-            if ($switchserver) {
-                $datatable .= &mt('Upload to library server: [_1]',$switchserver);
-            } else {
-                $datatable .= '<input type="file" name="ltitools_image_'.$i.'" value="" />';
-            }
-            $datatable .= '</span></fieldset>';
-            my (%checkedfields,%rolemaps,$userincdom);
-            if (ref($settings->{$item}) eq 'HASH') {
-                if (ref($settings->{$item}->{'fields'}) eq 'HASH') {
-                    %checkedfields = %{$settings->{$item}->{'fields'}};
-                }
-                $userincdom = $settings->{$item}->{'incdom'};
-                if (ref($settings->{$item}->{'roles'}) eq 'HASH') {
-                    %rolemaps = %{$settings->{$item}->{'roles'}};
-                    $checkedfields{'roles'} = 1;
-                }
-            }
-            $datatable .= '<fieldset><legend>'.&mt('User data sent on launch').'</legend>'.
-                          '<span class="LC_nobreak">';
-            my $userfieldstyle = 'display:none;';
-            my $seluserdom = '';
-            my $unseluserdom = ' selected="selected"';
-            foreach my $field (@fields) {
-                my ($checked,$onclick,$id,$spacer);
-                if ($checkedfields{$field}) {
-                    $checked = ' checked="checked"';
-                }
-                if ($field eq 'user') {
-                    $id = ' id="ltitools_user_field_'.$i.'"';
-                    $onclick = ' onclick="toggleLTITools(this.form,'."'$field','$i'".')"';
-                    if ($checked) {
-                        $userfieldstyle = 'display:inline-block';
-                        if ($userincdom) {
-                            $seluserdom = $unseluserdom;
-                            $unseluserdom = '';
-                        }
+        if ($position eq 'top') {
+            if (exists($settings->{'encrypt'})) {
+                if (ref($settings->{'encrypt'}) eq 'HASH') {
+                    foreach my $key (keys(%{$settings->{'encrypt'}})) {
+                        $encrypt{'toolsec_'.$key} = $settings->{'encrypt'}{$key};
                     }
-                } else {
-                    $spacer = ('&nbsp;' x2);
                 }
-                $datatable .= '<label>'.
-                              '<input type="checkbox" name="ltitools_fields_'.$i.'" value="'.$field.'"'.$id.$checked.$onclick.' />'.
-                              $lt{$field}.'</label>'.$spacer;
             }
-            $datatable .= '</span>';
-            $datatable .= '<div style="'.$userfieldstyle.'" id="ltitools_user_div_'.$i.'">'.
-                          '<span class="LC_nobreak"> : '.
-                          '<select name="ltitools_userincdom_'.$i.'">'.
-                          '<option value="">'.&mt('Select').'</option>'.
-                          '<option value="0"'.$unseluserdom.'>'.&mt('username').'</option>'.
-                          '<option value="1"'.$seluserdom.'>'.&mt('username:domain').'</option>'.
-                          '</select></span></div>';
-            $datatable .= '</fieldset>'.
-                          '<fieldset><legend>'.&mt('Role mapping').'</legend><table><tr>';
-            foreach my $role (@courseroles) {
-                my ($selected,$selectnone);
-                if (!$rolemaps{$role}) {
-                    $selectnone = ' selected="selected"';
-                }
-                $datatable .= '<td style="text-align: center">'. 
-                              &Apache::lonnet::plaintext($role,'Course').'<br />'.
-                              '<select name="ltitools_roles_'.$role.'_'.$i.'">'.
-                              '<option value=""'.$selectnone.'>'.&mt('Select').'</option>';
-                foreach my $ltirole (@ltiroles) {
-                    unless ($selectnone) {
-                        if ($rolemaps{$role} eq $ltirole) {
-                            $selected = ' selected="selected"';
-                        } else {
-                            $selected = '';
+            if (exists($settings->{'private'})) {
+                if (ref($settings->{'private'}) eq 'HASH') {
+                    if (ref($settings->{'private'}) eq 'HASH') {
+                        if (ref($settings->{'private'}{'keys'}) eq 'ARRAY') {
+                            map { $privkeys{$_} = 1; } (@{$settings->{'private'}{'keys'}});
                         }
                     }
-                    $datatable .= '<option value="'.$ltirole.'"'.$selected.'>'.$ltirole.'</option>';
-                }
-                $datatable .= '</select></td>';
-            }
-            $datatable .= '</tr></table></fieldset>';
-            my %courseconfig;
-            if (ref($settings->{$item}) eq 'HASH') {
-                if (ref($settings->{$item}->{'crsconf'}) eq 'HASH') {
-                    %courseconfig = %{$settings->{$item}->{'crsconf'}};
                 }
             }
-            $datatable .= '<fieldset><legend>'.&mt('Configurable in course').'</legend><span class="LC_nobreak">';
-            foreach my $item ('label','title','target','linktext','explanation','append') {
-                my $checked;
-                if ($courseconfig{$item}) {
-                    $checked = ' checked="checked"';
+        } elsif ($position eq 'middle') {
+            if (exists($settings->{'rules'})) {
+                if (ref($settings->{'rules'}) eq 'HASH') {
+                    %rules = %{$settings->{'rules'}};
                 }
-                $datatable .= '<label>'.
-                       '<input type="checkbox" name="ltitools_courseconfig_'.$i.'" value="'.$item.'"'.$checked.' />'.
-                       $lt{'crs'.$item}.'</label>&nbsp; '."\n";
             }
-            $datatable .= '</span></fieldset>'.
-                          '<fieldset><legend>'.&mt('Custom items sent on launch').'</legend>'.
-                          '<table><tr><th>'.&mt('Action').'</th><th>'.&mt('Name').'</th><th>'.&mt('Value').'</th></tr>';
-            if (ref($settings->{$item}->{'custom'}) eq 'HASH') {
-                my %custom = %{$settings->{$item}->{'custom'}};
-                if (keys(%custom) > 0) {
-                    foreach my $key (sort(keys(%custom))) {
-                        $datatable .= '<tr><td><span class="LC_nobreak">'.
-                                      '<label><input type="checkbox" name="ltitools_customdel_'.$i.'" value="'.
-                                      $key.'" />'.&mt('Delete').'</label></span></td><td>'.$key.'</td>'.
-                                      '<td><input type="text" name="ltitools_customval_'.$key.'_'.$i.'"'.
-                                      ' value="'.$custom{$key}.'" /></td></tr>';
-                    }
+        } else {
+            foreach my $key ('encrypt','private','rules') {
+                if (exists($settings->{$key})) {
+                    delete($settings->{$key});
                 }
             }
-            $datatable .= '<tr><td><span class="LC_nobreak">'.
-                          '<label><input type="checkbox" name="ltitools_customadd" value="'.$i.'" />'.
-                          &mt('Add').'</label></span></td><td><input type="text" name="ltitools_custom_name_'.$i.'" />'.
-                          '</td><td><input type="text" name="ltitools_custom_value_'.$i.'" /></td></tr>';
-            $datatable .= '</table></fieldset></td></tr>'."\n";
-            $itemcount ++;
         }
     }
-    $css_class = $itemcount%2?' class="LC_odd_row"':'';
-    my $chgstr = ' onchange="javascript:reorderLTITools(this.form,'."'ltitools_add_pos'".');"';
-    $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
-                  '<input type="hidden" name="ltitools_maxnum" value="'.$maxnum.'" />'."\n".
-                  '<select name="ltitools_add_pos"'.$chgstr.'>';
-    for (my $k=0; $k<$maxnum+1; $k++) {
-        my $vpos = $k+1;
-        my $selstr;
-        if ($k == $maxnum) {
-            $selstr = ' selected="selected" ';
-        }
-        $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+    my $datatable;
+    my $itemcount = 1;
+    if ($position eq 'top') {
+        $datatable = &secrets_form($dom,'toolsec',\%encrypt,\%privkeys,$rowtotal);
+    } elsif ($position eq 'middle') {
+        $datatable = &password_rules('toolsecrets',\$itemcount,\%rules);
+        $$rowtotal += $itemcount;
+    } else {
+        $datatable = &Apache::courseprefs::print_ltitools($dom,'',$settings,\$rowtotal,'','','domain');
     }
-    $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="ltitools_add" value="1" />'.&mt('Add').'</span></td>'."\n".
-                  '<td colspan="2">'.
-                  '<fieldset><legend>'.&mt('Required settings').'</legend>'.
-                  '<span class="LC_nobreak">'.$lt{'title'}.':<input type="text" size="20" name="ltitools_add_title" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'version'}.':<select name="ltitools_add_version">'.
-                  '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'msgtype'}.':<select name="ltitools_add_msgtype">'.
-                  '<option value="basic-lti-launch-request" selected="selected">Launch</option></select></span> '.
-                  '<span class="LC_nobreak">'.$lt{'sigmethod'}.':<select name="ltitools_add_sigmethod">'.
-                  '<option value="HMAC-SHA1" selected="selected">HMAC-SHA1</option>'.
-                  '<option value="HMAC-SHA256">HMAC-SHA256</option></select></span>'.
-                  '<br />'.
-                  '<span class="LC_nobreak">'.$lt{'url'}.':<input type="text" size="40" name="ltitools_add_url" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'key'}.':<input type="text" size="25" name="ltitools_add_key" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" size="5" name="ltitools_add_lifetime" value="300" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'secret'}.':<input type="password" size="20" name="ltitools_add_secret" value="" />'.
-                  '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.ltitools_add_secret.type='."'text'".' } else { this.form.ltitools_add_secret.type='."'password'".' }" />'.&mt('Visible input').'</label></span> '."\n".
-                  '</fieldset>'.
-                  '<fieldset><legend>'.&mt('Optional settings').'</legend>'.
-                  '<span class="LC_nobreak">'.&mt('Display target:');
-    my %defaultdisp;
-    $defaultdisp{'iframe'} = ' checked="checked"';
-    foreach my $disp ('iframe','tab','window') {
-        $datatable .= '<label><input type="radio" name="ltitools_add_target" value="'.$disp.'"'.$defaultdisp{$disp}.' />'.
-                      $lt{$disp}.'</label>'.('&nbsp;'x2);
-    }
-    $datatable .= ('&nbsp;'x4);
-    foreach my $dimen ('width','height') {
-        $datatable .= '<label>'.$lt{$dimen}.'&nbsp;'.
-                      '<input type="text" name="ltitools_add_'.$dimen.'" size="5" /></label>'.
-                      ('&nbsp;'x2);
-    }
-    $datatable .= '</span><br />'.
-                  '<div class="LC_left_float">'.$lt{'linktext'}.'<br />'.
-                  '<input type="text" name="ltitools_add_linktext" size="5" /></div>'.
-                  '<div class="LC_left_float">'.$lt{'explanation'}.'<br />'.
-                  '<textarea name="ltitools_add_explanation" rows="5" cols="40"></textarea>'.
-                  '</div><div style=""></div><br />';
-    my %units = (
-                  'passback' => 'days',
-                  'roster'   => 'seconds',
-                );
-    my %defaulttimes = (
-                     'passback' => '7',
-                     'roster'   => '300',
-                   );
-    foreach my $extra ('passback','roster') {
-        my $onclick = ' onclick="toggleLTITools(this.form,'."'$extra','add'".');"';
-        $datatable .= '<div class="LC_floatleft"><span class="LC_nobreak">'.$lt{$extra}.'&nbsp;'.
-                      '<label><input type="radio" name="ltitools_'.$extra.'_add" value="0" checked="checked"'.$onclick.' />'.
-                      &mt('No').'</label></span>'.('&nbsp;'x2).'<span class="LC_nobreak">'.
-                      '<label><input type="radio" name="ltitools_'.$extra.'_add" value="1"'.$onclick.' />'.
-                      &mt('Yes').'</label></span></div>'.
-                      '<div class="LC_floatleft" style="display:none;" id="ltitools_'.$extra.'time_add">'.
-                      '<span class="LC_nobreak">'.
-                      &mt("at least [_1] $units{$extra} after launch",
-                          '<input type="text" name="ltitools_'.$extra.'valid_add" value="'.$defaulttimes{$extra}.'" />').
-                      '</span></div><div style="padding:0;clear:both;margin:0;border:0"></div>';
-    }
-    $datatable .= '<span class="LC_nobreak">'.$lt{'icon'}.':&nbsp;'.
-                  '('.&mt('if larger than 21x21 pixels, image will be scaled').')&nbsp;';
-    if ($switchserver) {
-        $datatable .= &mt('Upload to library server: [_1]',$switchserver);
-    } else {
-        $datatable .= '<input type="file" name="ltitools_add_image" value="" />';
-    }
-    $datatable .= '</span></fieldset>'.
-                  '<fieldset><legend>'.&mt('User data sent on launch').'</legend>'.
-                  '<span class="LC_nobreak">';
-    foreach my $field (@fields) {
-        my ($id,$onclick,$spacer);
-        if ($field eq 'user') {
-            $id = ' id="ltitools_user_field_add"';
-            $onclick = ' onclick="toggleLTITools(this.form,'."'$field','add'".')"';
-        } else {
-            $spacer = ('&nbsp;' x2);
-        }
-        $datatable .= '<label>'.
-                      '<input type="checkbox" name="ltitools_add_fields" value="'.$field.'"'.$id.$onclick.' />'.
-                      $lt{$field}.'</label>'.$spacer;
-    }
-    $datatable .= '</span>'.
-                  '<div style="display:none;" id="ltitools_user_div_add">'.
-                  '<span class="LC_nobreak"> : '.
-                  '<select name="ltitools_userincdom_add">'.
-                  '<option value="" selected="selected">'.&mt('Select').'</option>'.
-                  '<option value="0">'.&mt('username').'</option>'.
-                  '<option value="1">'.&mt('username:domain').'</option>'.
-                  '</select></span></div></fieldset>';
-    $datatable .= '<fieldset><legend>'.&mt('Role mapping').'</legend><table><tr>';
-    foreach my $role (@courseroles) {
-        my ($checked,$checkednone);
-        $datatable .= '<td style="text-align: center">'.
-                      &Apache::lonnet::plaintext($role,'Course').'<br />'.
-                      '<select name="ltitools_add_roles_'.$role.'">'.
-                      '<option value="" selected="selected">'.&mt('Select').'</option>';
-        foreach my $ltirole (@ltiroles) {
-            $datatable .= '<option value="'.$ltirole.'">'.$ltirole.'</option>';
-        }
-        $datatable .= '</select></td>';
-    }
-    $datatable .= '</tr></table></fieldset>'.
-                  '<fieldset><legend>'.&mt('Configurable in course').'</legend><span class="LC_nobreak">';
-    foreach my $item ('label','title','target','linktext','explanation','append') {
-        $datatable .= '<label>'.
-                      '<input type="checkbox" name="ltitools_courseconfig" value="'.$item.'" checked="checked" />'.
-                      $lt{'crs'.$item}.'</label>'.('&nbsp;' x2)."\n";
-    }
-    $datatable .= '</span></fieldset>'.
-                  '<fieldset><legend>'.&mt('Custom items sent on launch').'</legend>'.
-                  '<table><tr><th>'.&mt('Action').'</th><th>'.&mt('Name').'</th><th>'.&mt('Value').'</th></tr>'.
-                  '<tr><td><span class="LC_nobreak">'.
-                  '<label><input type="checkbox" name="ltitools_add_custom" value="1" />'.
-                  &mt('Add').'</label></span></td><td><input type="text" name="ltitools_add_custom_name" />'.
-                  '</td><td><input type="text" name="ltitools_add_custom_value" /></td></tr>'.
-                  '</table></fieldset>'."\n".
-                  '</td>'."\n".
-                  '</tr>'."\n";
-    $itemcount ++;
     return $datatable;
 }
 
@@ -5647,7 +5409,7 @@ sub ltitools_names {
                                           'key'            => 'Key',
                                           'lifetime'       => 'Nonce lifetime (s)',
                                           'secret'         => 'Secret',
-                                          'icon'           => 'Icon',   
+                                          'icon'           => 'Icon',
                                           'user'           => 'User',
                                           'fullname'       => 'Full Name',
                                           'firstname'      => 'First Name',
@@ -5665,7 +5427,7 @@ sub ltitools_names {
                                           'roster'         => 'Tool can retrieve roster:',
                                           'crstarget'      => 'Display target',
                                           'crslabel'       => 'Course label',
-                                          'crstitle'       => 'Course title', 
+                                          'crstitle'       => 'Course title',
                                           'crslinktext'    => 'Link Text',
                                           'crsexplanation' => 'Explanation',
                                           'crsappend'      => 'Provider URL',
@@ -5673,6 +5435,123 @@ sub ltitools_names {
     return %lt;
 }
 
+sub secrets_form {
+    my ($dom,$context,$encrypt,$privkeys,$rowtotal) = @_;
+    my @ids=&Apache::lonnet::current_machine_ids();
+    my %servers = &Apache::lonnet::get_servers($dom,'library');
+    my $primary = &Apache::lonnet::domain($dom,'primary');
+    my ($css_class,$extra,$numshown,$itemcount,$output);
+    $itemcount = 0;
+    foreach my $hostid (sort(keys(%servers))) {
+        my ($showextra,$divsty,$switch);
+        if ($hostid eq $primary) {
+            if ($context eq 'ltisec') {
+                if (($encrypt->{'ltisec_consumers'}) || ($encrypt->{'ltisec_domlinkprot'})) {
+                    $showextra = 1;
+                }
+                if ($encrypt->{'ltisec_crslinkprot'}) {
+                    $showextra = 1;
+                }
+            } else {
+                if (($encrypt->{'toolsec_crs'}) || ($encrypt->{'toolsec_dom'})) {
+                    $showextra = 1;
+                }
+            }
+            unless (grep(/^\Q$hostid\E$/,@ids)) {
+                $switch = 1;
+            }
+            if ($showextra) {
+                $numshown ++;
+                $divsty = 'display:inline-block';
+            } else {
+                $divsty = 'display:none';
+            }
+            $extra .= '<fieldset id="'.$context.'_info_'.$hostid.'" style="'.$divsty.'">'.
+                      '<legend>'.$hostid.'</legend>';
+            if ($switch) {
+                my $switchserver = '<a href="/adm/switchserver?otherserver='.$hostid.'&amp;role='.
+                                   &HTML::Entities::encode($env{'request.role'},'\'<>"&').
+                                   '&amp;destinationurl=/adm/domainprefs">'.&mt('Switch Server').'</a>';
+                if (exists($privkeys->{$hostid})) {
+                    $extra .= '<div id="'.$context.'_divcurrprivkey_'.$hostid.'" style="display:inline-block" />'.
+                              '<span class="LC_nobreak">'.
+                              &mt('Encryption Key').': ['.&mt('not shown').'] '.('&nbsp;'x2).'</span></div>'.
+                              '<span class="LC_nobreak">'.&mt('Change?').
+                              '<label><input type="radio" value="0" name="'.$context.'_changeprivkey_'.$hostid.'" onclick="javascript:togglePrivKey(this.form,'."'$context','$hostid'".');" checked="checked" />'.&mt('No').'</label>'.
+                              ('&nbsp;'x2).
+                              '<label><input type="radio" value="1" name="'.$context.'_changeprivkey_'.$hostid.'" onclick="javascript:togglePrivKey(this.form,'."'$context','$hostid'".');" />'.&mt('Yes').
+                              '</label>&nbsp;&nbsp;</span><div id="'.$context.'_divchgprivkey_'.$hostid.'" style="display:none" />'.
+                              '<span class="LC_nobreak"> - '.&mt('submit from server ([_1]): [_2].',$hostid,$switchserver).
+                              '</span></div>';
+                } else {
+                    $extra .= '<span class="LC_nobreak">'.
+                              &mt('Key required').' - '.&mt('submit from server ([_1]): [_2].',$hostid,$switchserver).
+                              '</span>'."\n";
+                }
+            } elsif (exists($privkeys->{$hostid})) {
+                $extra .= '<div id="'.$context.'_divcurrprivkey_'.$hostid.'" style="display:inline-block" /><span class="LC_nobreak">'.
+                          &mt('Encryption Key').': ['.&mt('not shown').'] '.('&nbsp;'x2).'</span></div>'.
+                          '<span class="LC_nobreak">'.&mt('Change?').
+                          '<label><input type="radio" value="0" name="'.$context.'_changeprivkey_'.$hostid.'" onclick="javascript:togglePrivKey(this.form,'."'$context','$hostid'".');" checked="checked" />'.&mt('No').'</label>'.
+                          ('&nbsp;'x2).
+                          '<label><input type="radio" value="1" name="'.$context.'_changeprivkey_'.$hostid.'" onclick="javascript:togglePrivKey(this.form,'."'$context','$hostid'".');" />'.&mt('Yes').
+                          '</label>&nbsp;&nbsp;</span><div id="'.$context.'_divchgprivkey_'.$hostid.'" style="display:none" />'.
+                          '<span class="LC_nobreak">'.&mt('New Key').':'.
+                          '<input type="password" size="20" name="'.$context.'_privkey_'.$hostid.'" value="" autocomplete="new-password" />'.
+                          '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.'.$context.'_privkey_'.$hostid.'.type='."'text'".' } else { this.form.'.$context.'_privkey_'.$hostid.'.type='."'password'".' }" />'.&mt('Visible input').'</label>'.
+                          '</span></div>';
+            } else {
+                $extra .= '<span class="LC_nobreak">'.&mt('Encryption Key').':'.
+                          '<input type="password" size="20" name="'.$context.'_privkey_'.$hostid.'" value="" autocomplete="new-password" />'.
+                          '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.'.$context.'_privkey_'.$hostid.'.type='."'text'".' } else { this.form.'.$context.'_privkey_'.$hostid.'.type='."'password'".' }" />'.&mt('Visible input').'</label>';
+            }
+            $extra .= '</fieldset>';
+        }
+    }
+    my (%choices,@toggles,%defaultchecked);
+    if ($context eq 'ltisec') {
+        %choices = &Apache::lonlocal::texthash (
+                                                  ltisec_crslinkprot => 'Encrypt stored link protection secrets defined in courses',
+                                                  ltisec_domlinkprot => 'Encrypt stored link protection secrets defined in domain',
+                                                  ltisec_consumers   => 'Encrypt stored consumer secrets defined in domain',
+                                               );
+        @toggles = qw(ltisec_crslinkprot ltisec_domlinkprot ltisec_consumers);
+        %defaultchecked = (
+                           'ltisec_crslinkprot' => 'off',
+                           'ltisec_domlinkprot' => 'off',
+                           'ltisec_consumers'   => 'off',
+                          );
+    } else {
+        %choices = &Apache::lonlocal::texthash (
+                                                  toolsec_crs => 'Encrypt stored external tool secrets defined in courses',
+                                                  toolsec_dom => 'Encrypt stored external tool secrets defined in domain',
+                                               );
+        @toggles = qw(toolsec_crs toolsec_dom);
+        %defaultchecked = (
+                           'toolsec_crs' => 'off',
+                           'toolsec_dom' => 'off',
+                          );
+    }
+    my ($onclick,$itemcount);
+    $onclick = 'javascript:toggleLTIEncKey(this.form,'."'$context'".');';
+    ($output,$itemcount) = &radiobutton_prefs($encrypt,\@toggles,\%defaultchecked,
+                                              \%choices,$itemcount,$onclick,'','left','no');
+
+    $css_class = $itemcount%2?' class="LC_odd_row"':'';
+    my $noprivkeysty = 'display:inline-block';
+    if ($numshown) {
+        $noprivkeysty = 'display:none';
+    }
+    $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.&mt('Encryption Key(s)').'</td>'.
+               '<td><div id="'.$context.'_noprivkey" style="'.$noprivkeysty.'" >'.
+               '<span class="LC_nobreak">'.&mt('Not in use').'</span></div>'.
+               $extra.
+               '</td></tr>';
+    $itemcount ++;
+    $$rowtotal += $itemcount;
+    return $output;
+}
+
 sub print_proctoring {
     my ($dom,$settings,$rowtotal) = @_;
     my $itemcount = 1;
@@ -6308,144 +6187,256 @@ sub proctoring_providernames {
 }
 
 sub print_lti {
-    my ($dom,$settings,$rowtotal) = @_;
+    my ($position,$dom,$settings,$rowtotal) = @_;
     my $itemcount = 1;
-    my $maxnum = 0;
-    my $css_class;
-    my %ordered;
+    my ($datatable,$css_class);
+    my (%rules,%encrypt,%privkeys,%linkprot,%suggestions);
     if (ref($settings) eq 'HASH') {
-        foreach my $item (keys(%{$settings})) {
-            if (ref($settings->{$item}) eq 'HASH') {
-                my $num = $settings->{$item}{'order'};
-                if ($num eq '') {
-                    $num = scalar(keys(%{$settings}));
+        if ($position eq 'top') {
+            if (exists($settings->{'encrypt'})) {
+                if (ref($settings->{'encrypt'}) eq 'HASH') {
+                    foreach my $key (keys(%{$settings->{'encrypt'}})) {
+                        if ($key eq 'consumers') {
+                            $encrypt{'ltisec_'.$key} = $settings->{'encrypt'}{$key};
+                        } else {
+                            $encrypt{'ltisec_'.$key.'linkprot'} = $settings->{'encrypt'}{$key};
+                        }
+                    }
+                }
+            }
+            if (exists($settings->{'private'})) {
+                if (ref($settings->{'private'}) eq 'HASH') {
+                    if (ref($settings->{'private'}) eq 'HASH') {
+                        if (ref($settings->{'private'}{'keys'}) eq 'ARRAY') {
+                            map { $privkeys{$_} = 1; } (@{$settings->{'private'}{'keys'}});
+                        }
+                    }
+                }
+            }
+        } elsif ($position eq 'upper') {
+            if (exists($settings->{'rules'})) {
+                if (ref($settings->{'rules'}) eq 'HASH') {
+                    %rules = %{$settings->{'rules'}};
+                }
+            }
+        } elsif ($position eq 'middle') {
+            if (exists($settings->{'suggested'})) {
+                if (ref($settings->{'suggested'}) eq 'HASH') {
+                    %suggestions = %{$settings->{'suggested'}};
+                }
+            }
+        } elsif ($position eq 'lower') {
+            if (exists($settings->{'linkprot'})) {
+                if (ref($settings->{'linkprot'}) eq 'HASH') {
+                    %linkprot = %{$settings->{'linkprot'}};
+                    if ($linkprot{'lock'}) {
+                        delete($linkprot{'lock'});
+                    }
+                }
+            }
+        } else {
+            foreach my $key ('encrypt','private','rules','linkprot','suggestions') {
+                if (exists($settings->{$key})) {
+                    delete($settings->{$key});
                 }
-                $ordered{$num} = $item;
             }
         }
     }
-    my $maxnum = scalar(keys(%ordered));
-    my $datatable;
-    my %lt = &lti_names();
-    if (keys(%ordered)) {
-        my @items = sort { $a <=> $b } keys(%ordered);
-        for (my $i=0; $i<@items; $i++) {
-            $css_class = $itemcount%2?' class="LC_odd_row"':'';
-            my $item = $ordered{$items[$i]};
-            my ($key,$secret,$lifetime,$consumer,$requser,$crsinc,$current);
-            if (ref($settings->{$item}) eq 'HASH') {
-                $key = $settings->{$item}->{'key'};
-                $secret = $settings->{$item}->{'secret'};
-                $lifetime = $settings->{$item}->{'lifetime'};
-                $consumer = $settings->{$item}->{'consumer'};
-                $requser = $settings->{$item}->{'requser'};
-                $crsinc = $settings->{$item}->{'crsinc'};
-                $current = $settings->{$item};
-            }
-            my $onclickrequser = ' onclick="toggleLTI(this.form,'."'requser','$i'".');"';
-            my %checkedrequser = (
-                                   yes => ' checked="checked"',
-                                   no  => '',
-                                 );
-            if (!$requser) {
-                $checkedrequser{'no'} = $checkedrequser{'yes'};
-                $checkedrequser{'yes'} = '';
+    if ($position eq 'top') {
+        $datatable = &secrets_form($dom,'ltisec',\%encrypt,\%privkeys,$rowtotal);
+    } elsif ($position eq 'upper') {
+        $datatable = &password_rules('ltisecrets',\$itemcount,\%rules);
+        $$rowtotal += $itemcount;
+    } elsif ($position eq 'middle') {
+        $datatable = &linkprot_suggestions(\%suggestions,\$itemcount);
+        $$rowtotal += $itemcount;
+    } elsif ($position eq 'lower') {
+        $datatable .= &Apache::courseprefs::print_linkprotection($dom,'',$settings,$rowtotal,'','','domain');
+    } else {
+        my ($switchserver,$switchmessage);
+        $switchserver = &check_switchserver($dom);
+        $switchmessage = &mt("submit from domain's primary library server: [_1].",$switchserver);
+        my $maxnum = 0;
+        my %ordered;
+        if (ref($settings) eq 'HASH') {
+            foreach my $item (keys(%{$settings})) {
+                if (ref($settings->{$item}) eq 'HASH') {
+                    my $num = $settings->{$item}{'order'};
+                    if ($num eq '') {
+                        $num = scalar(keys(%{$settings}));
+                    }
+                    $ordered{$num} = $item;
+                }
             }
-            my $onclickcrsinc = ' onclick="toggleLTI(this.form,'."'crsinc','$i'".');"';
-            my %checkedcrsinc = (
+        }
+        $maxnum = scalar(keys(%ordered));
+        my %lt = &lti_names();
+        if (keys(%ordered)) {
+            my @items = sort { $a <=> $b } keys(%ordered);
+            for (my $i=0; $i<@items; $i++) {
+                $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                my $item = $ordered{$items[$i]};
+                my ($key,$secret,$usable,$lifetime,$consumer,$requser,$crsinc,$current);
+                if (ref($settings->{$item}) eq 'HASH') {
+                    $key = $settings->{$item}->{'key'};
+                    $usable = $settings->{$item}->{'usable'};
+                    $lifetime = $settings->{$item}->{'lifetime'};
+                    $consumer = $settings->{$item}->{'consumer'};
+                    $requser = $settings->{$item}->{'requser'};
+                    $crsinc = $settings->{$item}->{'crsinc'};
+                    $current = $settings->{$item};
+                }
+                my $onclickrequser = ' onclick="toggleLTI(this.form,'."'requser','$i'".');"';
+                my %checkedrequser = (
+                                       yes => ' checked="checked"',
+                                       no  => '',
+                                     );
+                if (!$requser) {
+                    $checkedrequser{'no'} = $checkedrequser{'yes'};
+                    $checkedrequser{'yes'} = '';
+                }
+                my $onclickcrsinc = ' onclick="toggleLTI(this.form,'."'crsinc','$i'".');"';
+                my %checkedcrsinc = (
                                       yes => ' checked="checked"',
                                       no  => '',
-                                   );
-            if (!$crsinc) {
-                $checkedcrsinc{'no'} = $checkedcrsinc{'yes'};
-                $checkedcrsinc{'yes'} = '';
-            }
-            my $chgstr = ' onchange="javascript:reorderLTI(this.form,'."'lti_pos_".$item."'".');"';
-            $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
-                         .'<select name="lti_pos_'.$item.'"'.$chgstr.'>';
-            for (my $k=0; $k<=$maxnum; $k++) {
-                my $vpos = $k+1;
-                my $selstr;
-                if ($k == $i) {
-                    $selstr = ' selected="selected" ';
+                                    );
+                if (!$crsinc) {
+                    $checkedcrsinc{'no'} = $checkedcrsinc{'yes'};
+                    $checkedcrsinc{'yes'} = '';
+                }
+                my $chgstr = ' onchange="javascript:reorderLTI(this.form,'."'lti_pos_".$item."'".');"';
+                $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
+                             .'<select name="lti_pos_'.$item.'"'.$chgstr.'>';
+                for (my $k=0; $k<=$maxnum; $k++) {
+                    my $vpos = $k+1;
+                    my $selstr;
+                    if ($k == $i) {
+                        $selstr = ' selected="selected" ';
+                    }
+                    $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
                 }
-                $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+                $datatable .= '</select>'.('&nbsp;'x2).
+                    '<label><input type="checkbox" name="lti_del" value="'.$item.'" />'.
+                    &mt('Delete?').'</label></span></td>'.
+                    '<td colspan="2">'.
+                    '<fieldset><legend>'.&mt('Required settings').'</legend>'.
+                    '<span class="LC_nobreak">'.$lt{'consumer'}.
+                    ':<input type="text" size="15" name="lti_consumer_'.$i.'" value="'.$consumer.'" /></span> '.
+                    ('&nbsp;'x2).
+                    '<span class="LC_nobreak">'.$lt{'version'}.':<select name="lti_version_'.$i.'">'.
+                    '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '.
+                    ('&nbsp;'x2).
+                    '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" name="lti_lifetime_'.$i.'"'.
+                    'value="'.$lifetime.'" size="3" /></span><br /><br />';
+                if ($key ne '') {
+                    $datatable .= '<span class="LC_nobreak">'.$lt{'key'};
+                    if ($switchserver) {
+                        $datatable .= ': ['.&mt('[_1] to view/edit',$switchserver).']';
+                    } else {
+                        $datatable .= ':<input type="text" size="25" name="lti_key_'.$i.'" value="'.$key.'" autocomplete="off" />';
+                    }
+                    $datatable .= '</span> '.('&nbsp;'x2);
+                } elsif (!$switchserver) {
+                    $datatable .= '<span class="LC_nobreak">'.$lt{'key'}.':'.
+                                  '<input type="text" size="25" name="lti_key_'.$i.'" value="'.$key.'" autocomplete="off" />'.
+                                  '</span> '.('&nbsp;'x2);
+                }
+                if ($switchserver) {
+                    if ($usable ne '') {
+                        $datatable .= '<div id="lti_divcurrsecret_'.$i.'" style="display:inline-block" /><span class="LC_nobreak">'.
+                                      $lt{'secret'}.': ['.&mt('not shown').'] '.('&nbsp;'x2).'</span></div>'.
+                                      '<span class="LC_nobreak">'.&mt('Change secret?').
+                                      '<label><input type="radio" value="0" name="lti_changesecret_'.$i.'" onclick="javascript:toggleChgSecret(this.form,'."'$i','secret','lti'".');" checked="checked" />'.&mt('No').'</label>'.
+                                      ('&nbsp;'x2).
+                                     '<label><input type="radio" value="1" name="lti_changesecret_'.$i.'" onclick="javascript:toggleChgSecret(this.form,'."'$i','secret','lti'".');" />'.&mt('Yes').'</label>'.('&nbsp;'x2).
+                                      '</span><div id="lti_divchgsecret_'.$i.'" style="display:none" />'.
+                                      '<span class="LC_nobreak"> - '.$switchmessage.'</span>'.
+                                      '</div>';
+                    } elsif ($key eq '') {
+                        $datatable .= '<span class="LC_nobreak">'.&mt('Key and Secret are required').' - '.$switchmessage.'</span>'."\n";
+                    } else {
+                        $datatable .= '<span class="LC_nobreak">'.&mt('Secret required').' - '.$switchmessage.'</span>'."\n";
+                    }
+                } else {
+                    if ($usable ne '') {
+                        $datatable .= '<div id="lti_divcurrsecret_'.$i.'" style="display:inline-block" /><span class="LC_nobreak">'.
+                                      $lt{'secret'}.': ['.&mt('not shown').'] '.('&nbsp;'x2).'</span></div>'.
+                                      '<span class="LC_nobreak">'.&mt('Change?').
+                                      '<label><input type="radio" value="0" name="lti_changesecret_'.$i.'" onclick="javascript:toggleChgSecret(this.form,'."'$i','secret','lti'".');" checked="checked" />'.&mt('No').'</label>'.
+                                      ('&nbsp;'x2).
+                                      '<label><input type="radio" value="1" name="lti_changesecret_'.$i.'" onclick="javascript:toggleChgSecret(this.form,'."'$i','secret','lti'".');" />'.&mt('Yes').
+                                      '</label>&nbsp;&nbsp;</span><div id="lti_divchgsecret_'.$i.'" style="display:none" />'.
+                                      '<span class="LC_nobreak">'.&mt('New Secret').':'.
+                                      '<input type="password" size="20" name="lti_secret_'.$i.'" value="" autocomplete="new-password" />'.
+                                      '<label><input type="checkbox" name="lti_visible_'.$i.'" id="lti_visible_'.$i.'" onclick="if (this.checked) { this.form.lti_secret_'.$i.'.type='."'text'".' } else { this.form.lti_secret_'.$i.'.type='."'password'".' }" />'.&mt('Visible input').'</label></span></div>';
+                    } else {
+                        $datatable .=
+                            '<span class="LC_nobreak">'.$lt{'secret'}.':'.
+                            '<input type="password" size="20" name="lti_secret_'.$i.'" value="" autocomplete="new-password" />'.
+                            '<label><input type="checkbox" name="lti_visible_'.$i.'" id="lti_visible_'.$i.'" onclick="if (this.checked) { this.form.lti_secret_'.$i.'.type='."'text'".' } else { this.form.lti_secret_'.$i.'.type='."'password'".' }" />'.&mt('Visible input').'</label>';
+                    }
+                }
+                $datatable .= '<br /><br />'.
+                    '<span class="LC_nobreak">'.$lt{'requser'}.':'.
+                    '<label><input type="radio" name="lti_requser_'.$i.'" value="1"'.$onclickrequser.$checkedrequser{yes}.' />'.&mt('Yes').'</label>&nbsp;'."\n".
+                    '<label><input type="radio" name="lti_requser_'.$i.'" value="0"'.$onclickrequser.$checkedrequser{no}.' />'.&mt('No').'</label></span>'."\n".
+                    '<br /><br />'.
+                    '<span class="LC_nobreak">'.$lt{'crsinc'}.':'.
+                    '<label><input type="radio" name="lti_crsinc_'.$i.'" value="1"'.$onclickcrsinc.$checkedcrsinc{yes}.' />'.&mt('Yes').'</label>&nbsp;'."\n".
+                    '<label><input type="radio" name="lti_crsinc_'.$i.'" value="0"'.$onclickcrsinc.$checkedcrsinc{no}.' />'.&mt('No').'</label></span>'."\n".
+                    ('&nbsp;'x4).
+                    '<input type="hidden" name="lti_id_'.$i.'" value="'.$item.'" /></span>'.
+                    '</fieldset>'.&lti_options($i,$current,$itemcount,%lt).'</td></tr>';
+                $itemcount ++;
             }
-            $datatable .= '</select>'.('&nbsp;'x2).
-                '<label><input type="checkbox" name="lti_del" value="'.$item.'" />'.
-                &mt('Delete?').'</label></span></td>'.
-                '<td colspan="2">'.
-                '<fieldset><legend>'.&mt('Required settings').'</legend>'.
-                '<span class="LC_nobreak">'.$lt{'consumer'}.
-                ':<input type="text" size="15" name="lti_consumer_'.$i.'" value="'.$consumer.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'version'}.':<select name="lti_version_'.$i.'">'.
-                '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" name="lti_lifetime_'.$i.'"'.
-                'value="'.$lifetime.'" size="3" /></span>'.
-                ('&nbsp;'x2).
-                 '<span class="LC_nobreak">'.$lt{'requser'}.':'.
-                 '<label><input type="radio" name="lti_requser_'.$i.'" value="1"'.$onclickrequser.$checkedrequser{yes}.' />'.&mt('Yes').'</label>&nbsp;'."\n".
-                 '<label><input type="radio" name="lti_requser_'.$i.'" value="0"'.$onclickrequser.$checkedrequser{no}.' />'.&mt('No').'</label></span>'."\n".
-                '<br /><br />'.
-                '<span class="LC_nobreak">'.$lt{'crsinc'}.':'.
-                '<label><input type="radio" name="lti_crsinc_'.$i.'" value="1"'.$onclickcrsinc.$checkedcrsinc{yes}.' />'.&mt('Yes').'</label>&nbsp;'."\n".
-                '<label><input type="radio" name="lti_crsinc_'.$i.'" value="0"'.$onclickcrsinc.$checkedcrsinc{no}.' />'.&mt('No').'</label></span>'."\n".
-                ('&nbsp;'x4).
-                '<span class="LC_nobreak">'.$lt{'key'}.
-                ':<input type="text" size="25" name="lti_key_'.$i.'" value="'.$key.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.$lt{'secret'}.':'.
-                '<input type="password" size="20" name="lti_secret_'.$i.'" value="'.$secret.'" />'.
-                '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.lti_secret_'.$i.'.type='."'text'".' } else { this.form.lti_secret_'.$i.'.type='."'password'".' }" />'.&mt('Visible input').'</label>'.
-                '<input type="hidden" name="lti_id_'.$i.'" value="'.$item.'" /></span>'.
-                '</fieldset>'.&lti_options($i,$current,$itemcount,%lt).'</td></tr>';
-            $itemcount ++;
         }
-    }
-    $css_class = $itemcount%2?' class="LC_odd_row"':'';
-    my $chgstr = ' onchange="javascript:reorderLTI(this.form,'."'lti_pos_add'".');"';
-    $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
-                  '<input type="hidden" name="lti_maxnum" value="'.$maxnum.'" />'."\n".
-                  '<select name="lti_pos_add"'.$chgstr.'>';
-    for (my $k=0; $k<$maxnum+1; $k++) {
-        my $vpos = $k+1;
-        my $selstr;
-        if ($k == $maxnum) {
-            $selstr = ' selected="selected" ';
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        my $chgstr = ' onchange="javascript:reorderLTI(this.form,'."'lti_pos_add'".');"';
+        $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
+                      '<input type="hidden" name="lti_maxnum" value="'.$maxnum.'" />'."\n".
+                      '<select name="lti_pos_add"'.$chgstr.'>';
+        for (my $k=0; $k<$maxnum+1; $k++) {
+            my $vpos = $k+1;
+            my $selstr;
+            if ($k == $maxnum) {
+                $selstr = ' selected="selected" ';
+            }
+            $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
         }
-        $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+        $datatable .= '</select>&nbsp;'."\n".
+                      '<input type="checkbox" name="lti_add" value="1" />'.&mt('Add').'</span></td>'."\n".
+                      '<td colspan="2">'.
+                      '<fieldset><legend>'.&mt('Required settings').'</legend>'.
+                      '<span class="LC_nobreak">'.$lt{'consumer'}.
+                      ':<input type="text" size="15" name="lti_consumer_add" value="" /></span> '."\n".
+                      ('&nbsp;'x2).
+                      '<span class="LC_nobreak">'.$lt{'version'}.':<select name="lti_version_add">'.
+                      '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '."\n".
+                      ('&nbsp;'x2).
+                      '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" size="3" name="lti_lifetime_add" value="300" /></span><br /><br />'."\n";
+        if ($switchserver) {
+            $datatable .= '<span class="LC_nobreak">'.&mt('Key and Secret are required').' - '.$switchmessage.'</span>'."\n";
+        } else {
+            $datatable .= '<span class="LC_nobreak">'.$lt{'key'}.':<input type="text" size="25" name="lti_key_add" value="" autocomplete="off" /></span> '."\n".
+                          ('&nbsp;'x2).
+                          '<span class="LC_nobreak">'.$lt{'secret'}.':<input type="password" size="20" name="lti_secret_add" value="" autocomplete="new-password" />'.
+                          '<label><input type="checkbox" name="lti_add_visible" id="lti_add_visible" onclick="if (this.checked) { this.form.lti_secret_add.type='."'text'".' } else { this.form.lti_secret_add.type='."'password'".' }" />'.&mt('Visible input').'</label></span> '."\n";
+        }
+        $datatable .= '<br /><br />'.
+                      '<span class="LC_nobreak">'.$lt{'requser'}.':'.
+                      '<label><input type="radio" name="lti_requser_add" value="1" onclick="toggleLTI(this.form,'."'requser','add'".');" checked="checked" />'.&mt('Yes').'</label>&nbsp;'."\n".
+                      '<label><input type="radio" name="lti_requser_add" value="0" onclick="toggleLTI(this.form,'."'requser','add'".');" />'.&mt('No').'</label></span>'."\n".
+                      '<br /><br />'.
+                      '<span class="LC_nobreak">'.$lt{'crsinc'}.':'.
+                      '<label><input type="radio" name="lti_crsinc_add" value="1" onclick="toggleLTI(this.form,'."'crsinc','add'".');" checked="checked" />'.&mt('Yes').'</label>&nbsp;'."\n".
+                      '<label><input type="radio" name="lti_crsinc_add" value="0" onclick="toggleLTI(this.form,'."'crsinc','add'".');" />'.&mt('No').'</label></span>'."\n".
+                      '</fieldset>'.&lti_options('add',undef,$itemcount,%lt).
+                      '</td>'."\n".
+                      '</tr>'."\n";
+        $itemcount ++;
     }
-    $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="lti_add" value="1" />'.&mt('Add').'</span></td>'."\n".
-                  '<td colspan="2">'.
-                  '<fieldset><legend>'.&mt('Required settings').'</legend>'.
-                  '<span class="LC_nobreak">'.$lt{'consumer'}.
-                  ':<input type="text" size="15" name="lti_consumer_add" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'version'}.':<select name="lti_version_add">'.
-                  '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" size="3" name="lti_lifetime_add" value="300" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'requser'}.':'.
-                  '<label><input type="radio" name="lti_requser_add" value="1" onclick="toggleLTI(this.form,'."'requser','add'".');" checked="checked" />'.&mt('Yes').'</label>&nbsp;'."\n".
-                  '<label><input type="radio" name="lti_requser_add" value="0" onclick="toggleLTI(this.form,'."'requser','add'".');" />'.&mt('No').'</label></span>'."\n".
-                  '<br /><br />'.
-                  '<span class="LC_nobreak">'.$lt{'crsinc'}.':'.
-                  '<label><input type="radio" name="lti_crsinc_add" value="1" onclick="toggleLTI(this.form,'."'crsinc','add'".');" checked="checked" />'.&mt('Yes').'</label>&nbsp;'."\n".
-                  '<label><input type="radio" name="lti_crsinc_add" value="0" onclick="toggleLTI(this.form,'."'crsinc','add'".');" />'.&mt('No').'</label></span>'."\n".
-                  ('&nbsp;'x4).
-                  '<span class="LC_nobreak">'.$lt{'key'}.':<input type="text" size="25" name="lti_key_add" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.$lt{'secret'}.':<input type="password" size="20" name="lti_secret_add" value="" />'.
-                  '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.lti_secret_add.type='."'text'".' } else { this.form.lti_secret_add.type='."'password'".' }" />'.&mt('Visible input').'</label></span> '."\n".
-                  '</fieldset>'.&lti_options('add',undef,$itemcount,%lt).
-                  '</td>'."\n".
-                  '</tr>'."\n";
-    $$rowtotal ++;
-    return $datatable;;
+    $$rowtotal += $itemcount;
+    return $datatable;
 }
 
 sub lti_names {
@@ -6511,7 +6502,7 @@ sub lti_options {
         if (($current->{'mapuser'} ne '') && ($current->{'mapuser'} ne 'lis_person_sourcedid')) {
             $checked{'mapuser'}{'sourcedid'} = '';
             if ($current->{'mapuser'} eq 'lis_person_contact_email_primary') {
-                $checked{'mapuser'}{'email'} = ' checked="checked"'; 
+                $checked{'mapuser'}{'email'} = ' checked="checked"';
             } else {
                 $checked{'mapuser'}{'other'} = ' checked="checked"';
                 $userfield = $current->{'mapuser'};
@@ -6521,7 +6512,7 @@ sub lti_options {
         if (($current->{'mapcrs'} ne '') && ($current->{'mapcrs'} ne 'course_offering_sourcedid')) {
             $checked{'mapcrs'}{'course_offering_sourcedid'} = '';
             if ($current->{'mapcrs'} eq 'context_id') {
-                $checked{'mapcrs'}{'context_id'} = ' checked="checked"'; 
+                $checked{'mapcrs'}{'context_id'} = ' checked="checked"';
             } else {
                 $checked{'mapcrs'}{'other'} = ' checked="checked"';
                 $cidfield = $current->{'mapcrs'};
@@ -6549,7 +6540,7 @@ sub lti_options {
             $checked{'lcauth'}{$1} = ' checked="checked"';
             unless (($current->{'lcauth'} eq 'lti') || ($current->{'lcauth'} eq 'internal')) {
                 $lcauthparm = $current->{'lcauthparm'};
-                $lcauthparmstyle = 'display:table-row'; 
+                $lcauthparmstyle = 'display:table-row';
                 if ($current->{'lcauth'} eq 'localauth') {
                     $lcauthparmtext = &mt('Local auth argument');
                 } else {
@@ -6566,7 +6557,7 @@ sub lti_options {
             %rolemaps = %{$current->{'maproles'}};
         }
         if ($current->{'section'} ne '') {
-            $checked{'crssec'}{'Y'} = '  checked="checked"'; 
+            $checked{'crssec'}{'Y'} = '  checked="checked"';
             $crssecfieldsty = 'inline-block';
             if ($current->{'section'} eq 'course_section_sourcedid') {
                 $checked{'crssecsrc'}{'sourcedid'} = ' checked="checked"';
@@ -6612,9 +6603,9 @@ sub lti_options {
         $checked{'crssec'}{'N'} = ' checked="checked"';
         $checked{'callback'}{'N'} = ' checked="checked"';
         $checked{'topmenu'}{'N'} = ' checked="checked"';
-        $checked{'inlinemenu'}{'Y'} = ' checked="checked"'; 
+        $checked{'inlinemenu'}{'Y'} = ' checked="checked"';
         $checked{'menuitem'}{'grades'} = ' checked="checked"';
-        $menusty = 'inline-block'; 
+        $menusty = 'inline-block';
     }
     my @coursetypes = ('official','unofficial','community','textbook','placement','lti');
     my %coursetypetitles = &Apache::lonlocal::texthash (
@@ -6667,7 +6658,7 @@ sub lti_options {
                '<fieldset class="ltioption_usr_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Roles which may create user accounts').'</legend>';
     foreach my $ltirole (@ltiroles) {
         $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="lti_makeuser_'.$num.'" value="'.$ltirole.'"'.
-                   $checked{'makeuser'}{$ltirole}.' />'.$ltirole.'</label>&nbsp;</span> ';     
+                   $checked{'makeuser'}{$ltirole}.' />'.$ltirole.'</label>&nbsp;</span> ';
     }
     $output .= '</fieldset>'.
                '<fieldset class="ltioption_usr_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('New user accounts created for LTI users').'</legend>'.
@@ -6799,9 +6790,9 @@ sub lti_options {
         if ($extra eq 'passback') {
             $pb1p1chk = ' checked="checked"';
             $pb1p0chk = '';
-            $onclickpb = ' onclick="toggleLTI(this.form,'."'passback','$num'".');"'; 
+            $onclickpb = ' onclick="toggleLTI(this.form,'."'passback','$num'".');"';
         } else {
-            $onclickpb = ''; 
+            $onclickpb = '';
         }
         if (ref($current) eq 'HASH') {
             if (($current->{$extra})) {
@@ -6847,6 +6838,58 @@ sub ltimenu_titles {
     );
 }
 
+sub linkprot_suggestions {
+    my ($suggested,$itemcount) = @_;
+    my $count = 0;
+    my $next = 1;
+    my %lt = &Apache::lonlocal::texthash(
+                                          'name' => 'Suggested Launcher',
+                                          'info' => 'Recommendations',
+                                        );
+    my ($datatable,$css_class,$dest);
+    if (ref($suggested) eq 'HASH') {
+        my @current = sort { $a <=> $b } keys(%{$suggested});
+        $next += $current[-1];
+        for (my $i=0; $i<@current; $i++) {
+            my $num = $current[$i];
+            my %values;
+            if (ref($suggested->{$num}) eq 'HASH') {
+                %values = %{$suggested->{$num}};
+            } else {
+                next;
+            }
+            $css_class = $$itemcount%2?' class="LC_odd_row"':'';
+            $datatable .=
+                '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
+                '<label><input type="checkbox" name="linkprot_suggested_del" value="'.$i.'" />'."\n".
+                &mt('Delete?').'</label></span></td><td>'."\n".
+                '<div class="LC_floatleft"><fieldset><legend>'.$lt{'name'}.'</legend>'."\n".
+                '<input type="text" size="15" name="linkprot_suggested_name_'.$i.'" value="'.$values{'name'}.'" autocomplete="off" />'."\n".
+                '</fieldset></div>'.
+                '<div class="LC_floatleft"><fieldset><legend>'.$lt{'info'}.'</legend>'."\n".
+                '<textarea cols="55" rows="5" name="linkprot_suggested_info_'.$i.'">'.$values{'info'}.'</textarea>'.
+                '</fieldset></div>'.
+                '<div style="padding:0;clear:both;margin:0;border:0"></div>'."\n".
+                '<input type="hidden" name="linkprot_suggested_id_'.$i.'" value="'.$num.'" /></td></tr>'."\n";
+            $$itemcount ++;
+        }
+    }
+    $css_class = $$itemcount%2?' class="LC_odd_row"':'';
+    $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
+                  '<input type="hidden" name="linkprot_suggested_maxnum" value="'.$next.'" />'."\n".
+                  '<input type="checkbox" name="linkprot_suggested_add" value="1" />'.&mt('Add').'</span></td>'."\n".
+                  '<td>'."\n".
+                  '<div class="LC_floatleft"><fieldset><legend>'.$lt{'name'}.'</legend>'."\n".
+                  '<input type="text" size="15" name="linkprot_suggested_name_add" value="" autocomplete="off" />'."\n".
+                  '</fieldset></div>'.
+                  '<div class="LC_floatleft"><fieldset><legend>'.$lt{'info'}.'</legend>'."\n".
+                  '<textarea cols="55" rows="5" name="linkprot_suggested_info_add"></textarea>'.
+                  '</fieldset></div>'.
+                  '<div style="padding:0;clear:both;margin:0;border:0"></div>'."\n".
+                  '</td></tr>'."\n";
+    return $datatable;
+}
+
 sub print_coursedefaults {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my ($css_class,$datatable,%checkedon,%checkedoff,%defaultchecked,@toggles);
@@ -6854,6 +6897,7 @@ sub print_coursedefaults {
     my %choices =  &Apache::lonlocal::texthash (
         canuse_pdfforms      => 'Course/Community users can create/upload PDF forms',
         uploadquota          => 'Default quota for files uploaded directly to course/community using Course Editor (MB)',
+        coursequota          => 'Default cumulative quota for all group portfolio spaces in course (MB)',
         anonsurvey_threshold => 'Responder count needed before showing submissions for anonymous surveys',
         coursecredits        => 'Credits can be specified for courses',
         uselcmath            => 'Math preview uses LON-CAPA previewer (javascript) in place of DragMath (Java)',
@@ -6863,12 +6907,22 @@ sub print_coursedefaults {
         postsubmit           => 'Disable submit button/keypress following student submission',
         canclone             => "People who may clone a course (besides course's owner and coordinators)",
         mysqltables          => 'Lifetime (s) of "Temporary" MySQL tables (student performance data) on homeserver',
+        ltiauth              => 'Student username in LTI launch of deep-linked URL can be accepted without re-authentication',
+        domexttool           => 'External Tools defined in the domain may be used in courses/communities (by type)',
+        exttool              => 'External Tools can be defined and configured in courses/communities (by type)',
+        crsauthor            => 'Standard LON-CAPA problems can be created within a course/community (by type)',
+        crseditors           => 'Available editors for web pages and/or problems created in a course/community',
     );
     my %staticdefaults = (
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
+                           coursequota          => 20,
                            postsubmit           => 60,
                            mysqltables          => 172800,
+                           domexttool           => 1,
+                           exttool              => 0,
+                           crsauthor            => 1,
+                           crseditors           => ['edit','xml'],  
                          );
     if ($position eq 'top') {
         %defaultchecked = (
@@ -6982,17 +7036,73 @@ sub print_coursedefaults {
         $itemcount ++;
     } else {
         $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-        my ($currdefresponder,%defcredits,%curruploadquota,%deftimeout,%currmysql);
+        my ($currdefresponder,%defcredits,%curruploadquota,%currcoursequota,
+            %deftimeout,%currmysql);
         my $currusecredits = 0;
         my $postsubmitclient = 1;
+        my $ltiauth = 0;
+        my %domexttool;
+        my %exttool;
+        my %crsauthor;
+        my %crseditors;
         my @types = ('official','unofficial','community','textbook','placement');
         if (ref($settings) eq 'HASH') {
+            if ($settings->{'ltiauth'}) {
+                $ltiauth = 1;
+            }
+            if (ref($settings->{'domexttool'}) eq 'HASH') {
+                foreach my $type (@types) {
+                    if ($settings->{'domexttool'}->{$type}) {
+                        $domexttool{$type} = ' checked="checked"';
+                    }
+                }
+            } else {
+                foreach my $type (@types) {
+                    if ($staticdefaults{'domexttool'}) {
+                        $domexttool{$type} = ' checked="checked"';
+                    }
+                }
+            }
+            if (ref($settings->{'exttool'}) eq 'HASH') {
+                foreach my $type (@types) {
+                    if ($settings->{'exttool'}->{$type}) {
+                        $exttool{$type} = ' checked="checked"';
+                    }
+                }
+            }
+            if (ref($settings->{'crsauthor'}) eq 'HASH') {
+                foreach my $type (@types) {
+                    if ($settings->{'crsauthor'}->{$type}) {
+                        $crsauthor{$type} = ' checked="checked"';
+                    }
+                }
+            } else {
+                foreach my $type (@types) {
+                    if ($staticdefaults{'crsauthor'}) {
+                        $crsauthor{$type} = ' checked="checked"';
+                    }
+                }
+            }
+            if (ref($settings->{'crseditors'}) eq 'ARRAY') {
+                foreach my $editor (@{$settings->{'crseditors'}}) {
+                    $crseditors{$editor} = ' checked="checked"';
+                }
+            } else {
+                foreach my $editor (@{$staticdefaults{'crseditors'}}) {
+                    $crseditors{$editor} = ' checked="checked"';
+                }
+            }
             $currdefresponder = $settings->{'anonsurvey_threshold'};
             if (ref($settings->{'uploadquota'}) eq 'HASH') {
                 foreach my $type (keys(%{$settings->{'uploadquota'}})) {
                     $curruploadquota{$type} = $settings->{'uploadquota'}{$type};
                 }
             }
+            if (ref($settings->{'coursequota'}) eq 'HASH') {
+                foreach my $type (keys(%{$settings->{'coursequota'}})) {
+                    $currcoursequota{$type} = $settings->{'coursequota'}{$type};
+                }
+            }
             if (ref($settings->{'coursecredits'}) eq 'HASH') {
                 foreach my $type (@types) {
                     next if ($type eq 'community');
@@ -7038,6 +7148,15 @@ sub print_coursedefaults {
         } else {
             foreach my $type (@types) {
                 $deftimeout{$type} = $staticdefaults{'postsubmit'};
+                if ($staticdefaults{'domexttool'}) {
+                    $domexttool{$type} = ' checked="checked"';
+                }
+                if ($staticdefaults{'crsauthor'}) {
+                    $crsauthor{$type} = ' checked="checked"';
+                }
+            }
+            foreach my $editor (@{$staticdefaults{'crseditors'}}) {
+                $crseditors{$editor} = ' checked="checked"';
             }
         }
         if (!$currdefresponder) {
@@ -7049,6 +7168,9 @@ sub print_coursedefaults {
             if ($curruploadquota{$type} eq '') {
                 $curruploadquota{$type} = $staticdefaults{'uploadquota'};
             }
+            if ($currcoursequota{$type} eq '') {
+                $currcoursequota{$type} = $staticdefaults{'coursequota'};
+            }
         }
         $datatable .=
                 '<tr'.$css_class.'><td><span class="LC_nobreak">'.
@@ -7072,6 +7194,19 @@ sub print_coursedefaults {
         }
         $datatable .= '</tr></table></td></tr>'."\n";
         $itemcount ++;
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                      $choices{'coursequota'}.
+                      '</span></td>'.
+                      '<td style="text-align: right" class="LC_right_item">'.
+                      '<table><tr>';
+        foreach my $type (@types) {
+            $datatable .= '<td style="text-align: center">'.&mt($type).'<br />'.
+                           '<input type="text" name="coursequota_'.$type.'"'.
+                           ' value="'.$currcoursequota{$type}.'" size="5" /></td>';
+        }
+        $datatable .= '</tr></table></td></tr>'."\n";
+        $itemcount ++;
         my $onclick = "toggleDisplay(this.form,'credits');";
         my $display = 'none';
         if ($currusecredits) {
@@ -7132,12 +7267,309 @@ sub print_coursedefaults {
         }
         $datatable .= '</tr></table></td></tr>'."\n";
         $itemcount ++;
+        %defaultchecked = ('ltiauth' => 'off');
+        @toggles = ('ltiauth');
+        $current = {
+                       'ltiauth' => $ltiauth,
+                   };
+        ($table,$itemcount) =
+            &radiobutton_prefs($current,\@toggles,\%defaultchecked,
+                               \%choices,$itemcount,undef,undef,'left');
+        $datatable .= $table;
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                      $choices{'domexttool'}.
+                      '</span></td>'.
+                      '<td style="text-align: right" class="LC_right_item">'.
+                      '<table><tr>';
+        foreach my $type (@types) {
+            $datatable .= '<td style="text-align: left">'.
+                          '<span class="LC_nobreak">'.
+                          '<label><input type="checkbox" name="domexttool"'.
+                          ' value="'.$type.'"'.$domexttool{$type}.' />'.
+                          &mt($type).'</label></span></td>'."\n";
+        }
+        $datatable .= '</tr></table></td></tr>'."\n";
+        $itemcount ++;
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                      $choices{'exttool'}.
+                      '</span></td>'.
+                      '<td style="text-align: right" class="LC_right_item">'.
+                      '<table><tr>';
+        foreach my $type (@types) {
+            $datatable .= '<td style="text-align: left">'.
+                          '<span class="LC_nobreak">'.
+                          '<label><input type="checkbox" name="exttool"'.
+                          ' value="'.$type.'"'.$exttool{$type}.' />'.
+                          &mt($type).'</label></span></td>'."\n";
+        }
+        $datatable .= '</tr></table></td></tr>'."\n";
+        $itemcount ++;
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                      $choices{'crsauthor'}.
+                      '</span></td>'.
+                      '<td style="text-align: right" class="LC_right_item">'.
+                      '<table><tr>';
+        foreach my $type (@types) {
+            $datatable .= '<td style="text-align: left">'.
+                          '<span class="LC_nobreak">'.
+                          '<label><input type="checkbox" name="crsauthor"'.
+                          ' value="'.$type.'"'.$crsauthor{$type}.' />'.
+                          &mt($type).'</label></span></td>'."\n";
+        }
+        $datatable .= '</tr></table></td></tr>'."\n";
+        $itemcount ++;
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                      $choices{'crseditors'}.
+                      '</span></td>'.
+                      '<td style="text-align: right" class="LC_right_item">'.
+                      '<table><tr>';
+        my @editors = ('edit','xml','daxe');
+        my %editornames = &crseditor_titles();
+        foreach my $editor (@editors) {
+            $datatable .= '<td style="text-align: left">'.
+                          '<span class="LC_nobreak">'.
+                          '<label><input type="checkbox" name="crseditors"'.
+                          ' value="'.$editor.'"'.$crseditors{$editor}.' />'.
+                          $editornames{$editor}.'</label></span></td>'."\n";
+        }
+        $datatable .= '</tr></table></td></tr>'."\n";
+    }
+    $$rowtotal += $itemcount;
+    return $datatable;
+}
 
+sub crseditor_titles {
+    return &Apache::lonlocal::texthash(
+               edit  => 'Standard editor (Edit)',
+               xml   => 'Text editor (EditXML)',
+               daxe  => 'Daxe editor (Daxe)',
+           );
+}
+
+sub print_authordefaults {
+    my ($position,$dom,$settings,$rowtotal) = @_;
+    my ($css_class,$datatable,%checkedon,%checkedoff);
+    my $itemcount = 1;
+    my %titles = &authordefaults_titles();
+    if ($position eq 'top') {
+        my %defaultchecked = (
+                            'nocodemirror' => 'off',
+                            'daxecollapse' => 'off',
+                            'domcoordacc'  => 'on',
+                          );
+        my @toggles = ('nocodemirror','daxecollapse','domcoordacc');
+        ($datatable,$itemcount) = &radiobutton_prefs($settings,\@toggles,\%defaultchecked,
+                                                     \%titles,$itemcount);
+        my %staticdefaults = (
+                                'copyright'    => 'default',
+                                'sourceavail'  => 'closed',
+                             );
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        my %currrights;
+        foreach my $item ('copyright','sourceavail') {
+            $currrights{$item} = $staticdefaults{$item};
+            if (ref($settings) eq 'HASH') {
+                if (exists($settings->{$item})) {
+                    $currrights{$item} = $settings->{$item};
+                }
+            }
+        }
+        $datatable .= '<tr'.$css_class.'><td style="vertical-align: top">'.
+                      '<span class="LC_nobreak">'.$titles{'copyright'}.
+                      '</span></td><td class="LC_right_item">'.
+                      &selectbox('copyright',$currrights{'copyright'},'',
+                                 \&Apache::loncommon::copyrightdescription,
+                                 (grep !/^priv|custom$/,(&Apache::loncommon::copyrightids))).
+                      '</td></tr>'."\n";
+        $itemcount ++;
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable .= '<tr'.$css_class.'><td style="vertical-align: top">'.
+                      '<span class="LC_nobreak">'.$titles{'sourceavail'}.
+                      '</span></td><td class="LC_right_item">'.
+                      &selectbox('sourceavail',$currrights{'sourceavail'},'',
+                                 \&Apache::loncommon::source_copyrightdescription,
+                                 (&Apache::loncommon::source_copyrightids)).
+                      '</td></tr>'."\n";        
+    } else {
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        my $curreditors;
+        my %staticdefaults = (
+                                editors => ['edit','xml'],
+                                authorquota => 500,
+                                webdav => 0,
+                             );
+        my $curreditors = $staticdefaults{'editors'};
+        if ((ref($settings) eq 'HASH') &&
+            (ref($settings->{'editors'}) eq 'ARRAY')) {
+            $curreditors = $settings->{'editors'};
+        } else {
+            $curreditors = $staticdefaults{'editors'};
+        }
+        my @editors = ('edit','xml','daxe');
+        $datatable = '<tr'.$css_class.'>'."\n".
+                     '<td>'.$titles{'editors'}.'</td>'."\n".
+                     '<td class="LC_left_item">'."\n".
+                     '<span class="LC_nobreak">';
+        foreach my $editor (@editors) {
+            my $checked;
+            if (grep(/^\Q$editor\E$/,@{$curreditors})) {
+                $checked = ' checked="checked"';
+            }
+            $datatable .= '<label>'.
+                          '<input type="checkbox" name="author_editors" '.
+                          $checked.' value="'.$editor.'" '.
+                          'onclick="javascript:checkEditors(this.form,'."'author_editors'".',this);" />'.
+                          $titles{$editor}.'</label>&nbsp;';
+        }
+        $datatable .= '</span>'."\n".'</td>'."\n".'</tr>'."\n";
+        $itemcount ++;
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
+        my @insttypes;
+        if (ref($types) eq 'ARRAY') {
+            @insttypes = @{$types};
+        }
+        my $typecount = 0;
+        my %domconf = &Apache::lonnet::get_dom('configuration',['quotas'],$dom);
+        my @items = ('webdav','authorquota');
+        my %quotas;
+        if (ref($domconf{'quotas'}) eq 'HASH') {
+            %quotas = %{$domconf{'quotas'}};
+            foreach my $item (@items) {
+                if (ref($quotas{$item}) eq 'HASH') {
+                    foreach my $type (@insttypes,'default') {
+                        if ($item eq 'authorquota') {
+                            if ($quotas{$item}{$type} !~ /^\d+$/) {
+                                $quotas{$item}{$type} = $staticdefaults{$item};
+                            }
+                        } elsif ($item eq 'webdav') {
+                            if ($quotas{$item}{$type} !~ /^(0|1)$/) {
+                                $quotas{$item}{$type} = $staticdefaults{$item};
+                            }
+                        }
+                    }
+                } else {
+                    foreach my $type (@insttypes,'default') {
+                        $quotas{$item}{$type} = $staticdefaults{$item};
+                    }
+                }
+            }
+        } else {
+            foreach my $item (@items) {
+                foreach my $type (@insttypes,'default') {
+                    $quotas{$item}{$type} = $staticdefaults{$item};
+                }
+            }
+        }
+        if (ref($usertypes) eq 'HASH') {
+            my $numinrow = 4;
+            my $onclick = '';
+            $datatable .= &insttypes_row(\%quotas,$types,$usertypes,$dom,
+                                         $numinrow,$othertitle,'authorquota',
+                                         \$itemcount,$onclick);
+            $itemcount ++;
+            $datatable .= &insttypes_row(\%quotas,$types,$usertypes,$dom,
+                                         $numinrow,$othertitle,'webdav',
+                                         \$itemcount);
+            $itemcount ++;
+        }
+        my $checkedno = ' checked="checked"';
+        my ($checkedon,$checkedoff);
+        if (ref($quotas{'webdav'}) eq 'HASH') {
+            if ($quotas{'webdav'}{'_LC_adv'} =~ /^0|1$/) {
+                if ($quotas{'webdav'}{'_LC_adv'}) {
+                    $checkedon = $checkedno;
+                } else {
+                    $checkedoff = $checkedno;
+                }
+                undef($checkedno);
+            }
+        }
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable .= '<tr'.$css_class.'>'.
+                      '<td>'.$titles{'webdav_LC_adv'}.'<br />'.
+                             $titles{'webdav_LC_adv_over'}.
+                      '</td>'.
+                      '<td class="LC_left_item">';
+        foreach my $option ('none','off','on') {
+            my ($text,$val,$checked);
+            if ($option eq 'none') {
+                $text = $titles{'none'};
+                $val = '';
+                $checked = $checkedno;
+            } elsif ($option eq 'off') {
+                $text = $titles{'overoff'};
+                $val = 0;
+                $checked = $checkedoff;
+            } elsif ($option eq 'on') {
+                $text = $titles{'overon'};
+                $val = 1;
+                $checked = $checkedon;
+            }
+            $datatable .= '<span class="LC_nobreak"><label>'.
+                          '<input type="radio" name="webdav_LC_adv"'.
+                          ' value="'.$val.'"'.$checked.' />'.
+                          $text.'</label></span>&nbsp; ';
+        }
+        $datatable .= '</td></tr>';
+        $itemcount ++;
+        my %defchecked = (
+                                'archive' => 'off',
+                             );
+        my @toggles = ('archive');
+        (my $archive,$itemcount) = &radiobutton_prefs($settings,['archive'],
+                                                      {'archive' => 'off'},
+                                                      \%titles,$itemcount);
+        $datatable .= $archive."\n";
+        $itemcount ++;
     }
     $$rowtotal += $itemcount;
     return $datatable;
 }
 
+sub authordefaults_titles {
+    return &Apache::lonlocal::texthash(
+               copyright => 'Copyright/Distribution',
+               sourceavail => ' Source Available',
+               editors => 'Available Editors',
+               webdav => 'WebDAV',
+               authorquota => 'Authoring Space quotas (MB)',
+               nocodemirror => 'Deactivate CodeMirror for EditXML editor',
+               daxecollapse => 'Daxe editor: LON-CAPA standard menus start collapsed',
+               domcoordacc => 'Dom. Coords. can enter Authoring Spaces in domain',
+               edit  => 'Standard editor (Edit)',
+               xml   => 'Text editor (EditXML)',
+               daxe  => 'Daxe editor (Daxe)',
+               webdav_LC_adv => 'WebDAV access for LON-CAPA "advanced" users',
+               webdav_LC_adv_over => '(overrides access based on affiliation, if set)',
+               none => 'No override set',
+               overon => 'Override -- webDAV on',
+               overoff => 'Override -- webDAV off',
+               archive => 'Authors can download tar.gz file of Authoring Space',
+    );
+}
+
+sub selectbox {
+    my ($name,$value,$readonly,$functionref,@idlist)=@_;
+    my $selout = '<select name="'.$name.'">';
+    foreach my $id (@idlist) {
+        $selout.='<option value="'.$id.'"';
+        if ($id eq $value) {
+            $selout.=' selected="selected"';
+        }
+        if ($readonly) {
+            $selout .= ' disabled="disabled"';
+        }
+        $selout.='>'.&{$functionref}($id).'</option>';
+    }
+    $selout.='</select>';
+    return $selout;
+}
+
 sub print_selfenrollment {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my ($css_class,$datatable);
@@ -7367,13 +7799,15 @@ sub print_privacy {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my ($datatable,$css_class,$numinrow,@items,%names,$othertitle,$usertypes,$types);
     my $itemcount = 0;
-    unless ($position eq 'top') {
+    if ($position eq 'top') {
+        $numinrow = 2;
+    } else {
         @items = ('domain','author','course','community');
         %names = &Apache::lonlocal::texthash (
                      domain => 'Assigned domain role(s)',
                      author => 'Assigned co-author role(s)',
                      course => 'Assigned course role(s)',
-                     community => 'Assigned community role',
+                     community => 'Assigned community role(s)',
                  );
         $numinrow = 4;
         ($othertitle,$usertypes,$types) =
@@ -7392,6 +7826,7 @@ sub print_privacy {
                 auto   => 'Unrestricted',
                 instdom => 'Other domain shares institution/provider',
                 extdom => 'Other domain has different institution/provider',
+                notify => 'Notify when role needs authorization',
             );
             my %names = &Apache::lonlocal::texthash (
                 domain => 'Domain role',
@@ -7443,6 +7878,28 @@ sub print_privacy {
                 $datatable .= '</td></tr>';
                 $itemcount ++;
             }
+            $css_class = $itemcount%2?' class="LC_odd_row"':'';
+            $datatable .= '<tr'.$css_class.'><td>'.$titles{'notify'}.'</td>'.
+                          '<td class="LC_left_item">';
+            if ((@instdoms > 1) || (keys(%by_location) > 0)) {
+                my %curr;
+                if (ref($settings) eq 'HASH') {
+                    if ($settings->{'notify'} ne '') {
+                        map {$curr{$_}=1;} split(/,/,$settings->{'notify'});
+                    }
+                }
+                $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                my ($numdc,$table,$rows) = &active_dc_picker($dom,$numinrow,'checkbox',
+                                                             'privacy_notify',%curr);
+                if ($numdc > 0) {
+                    $datatable .= $table;
+                } else {
+                    $datatable .= &mt('There are no active Domain Coordinators');
+                }
+            } else {
+                $datatable .= &mt('Nothing to set here, as there are no other domains');
+            }
+            $datatable .='</td></tr>';
         } elsif ($position eq 'middle') {
             if ((@instdoms > 1) || (keys(%by_location) > 0)) {
                 if ((ref($types) eq 'ARRAY') && (ref($usertypes) eq 'HASH')) {
@@ -7786,95 +8243,7 @@ sub print_passwords {
             $itemcount ++;
         }
     } elsif ($position eq 'lower') {
-        my ($min,$max,%chars,$expire,$numsaved);
-        $min = $Apache::lonnet::passwdmin;
-        if (ref($settings) eq 'HASH') {
-            if ($settings->{min}) {
-                $min = $settings->{min};
-            }
-            if ($settings->{max}) {
-                $max = $settings->{max};
-            }
-            if (ref($settings->{chars}) eq 'ARRAY') {
-                map { $chars{$_} = 1; } (@{$settings->{chars}});
-            }
-            if ($settings->{expire}) {
-                $expire = $settings->{expire};
-            }
-            if ($settings->{numsaved}) {
-                $numsaved = $settings->{numsaved};
-            }
-        }
-        my %rulenames = &Apache::lonlocal::texthash(
-                                                     uc => 'At least one upper case letter',
-                                                     lc => 'At least one lower case letter',
-                                                     num => 'At least one number',
-                                                     spec => 'At least one non-alphanumeric',
-                                                   );
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'min'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_min" value="'.$min.'" size="3" '.
-                      'onblur="javascript:warnIntPass(this);" />'.
-                      '<span class="LC_fontsize_small"> '.&mt('(Enter an integer: 7 or larger)').'</span>'.
-                      '</span></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'max'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_max" value="'.$max.'" size="3" '.
-                      'onblur="javascript:warnIntPass(this);" />'.
-                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank for no maximum)').'</span>'.
-                      '</span></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'chars'}.'<br />'.
-                      '<span class="LC_nobreak LC_fontsize_small">'.&mt('(Leave unchecked if not required)').
-                      '</span></td>';
-        my $numinrow = 2;
-        my @possrules = ('uc','lc','num','spec');
-        $datatable .= '<td class="LC_left_item"><table>';
-        for (my $i=0; $i<@possrules; $i++) {
-            my ($rem,$checked);
-            if ($chars{$possrules[$i]}) {
-                $checked = ' checked="checked"';
-            }
-            $rem = $i%($numinrow);
-            if ($rem == 0) {
-                if ($i > 0) {
-                    $datatable .= '</tr>';
-                }
-                $datatable .= '<tr>';
-            }
-            $datatable .= '<td><span class="LC_nobreak"><label>'.
-                          '<input type="checkbox" name="passwords_chars" value="'.$possrules[$i].'"'.$checked.' />'.
-                          $rulenames{$possrules[$i]}.'</label></span></td>';
-        }
-        my $rem = @possrules%($numinrow);
-        my $colsleft = $numinrow - $rem;
-        if ($colsleft > 1 ) {
-            $datatable .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
-                          '&nbsp;</td>';
-        } elsif ($colsleft == 1) {
-            $datatable .= '<td class="LC_left_item">&nbsp;</td>';
-        }
-        $datatable .='</table></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'expire'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_expire" value="'.$expire.'" size="4" '.
-                      'onblur="javascript:warnIntPass(this);" />'.
-                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank for no expiration)').'</span>'.
-                      '</span></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'numsaved'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_numsaved" value="'.$numsaved.'" size="3" '.
-                      'onblur="javascript:warnIntPass(this);" />'. 
-                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank to not save previous passwords)').'</span>'.
-                      '</span></td></tr>';
+        $datatable .= &password_rules('passwords',\$itemcount,$settings);
     } else {
         my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
         my %ownerchg = (
@@ -7934,6 +8303,129 @@ sub print_passwords {
     return $datatable;
 }
 
+sub password_rules {
+    my ($prefix,$itemcountref,$settings) = @_;
+    my ($min,$max,%chars,$expire,$numsaved,$numinrow);
+    my %titles;
+    if ($prefix eq 'passwords') {
+        %titles = &Apache::lonlocal::texthash (
+            min            => 'Minimum password length',
+            max            => 'Maximum password length',
+            chars          => 'Required characters',
+        );
+    } elsif (($prefix eq 'ltisecrets') || ($prefix eq 'toolsecrets')) {
+        %titles = &Apache::lonlocal::texthash (
+            min            => 'Minimum secret length',
+            max            => 'Maximum secret length',
+            chars          => 'Required characters',
+        );
+    }
+    $min = $Apache::lonnet::passwdmin;
+    my $datatable;
+    my $itemcount;
+    if (ref($itemcountref)) {
+        $itemcount = $$itemcountref;
+    }
+    if (ref($settings) eq 'HASH') {
+        if ($settings->{min}) {
+            $min = $settings->{min};
+        }
+        if ($settings->{max}) {
+            $max = $settings->{max};
+        }
+        if (ref($settings->{chars}) eq 'ARRAY') {
+            map { $chars{$_} = 1; } (@{$settings->{chars}});
+        }
+        if ($prefix eq 'passwords') {
+            if ($settings->{expire}) {
+                $expire = $settings->{expire};
+            }
+            if ($settings->{numsaved}) {
+                $numsaved = $settings->{numsaved};
+            }
+        }
+    }
+    my %rulenames = &Apache::lonlocal::texthash(
+                                                 uc => 'At least one upper case letter',
+                                                 lc => 'At least one lower case letter',
+                                                 num => 'At least one number',
+                                                 spec => 'At least one non-alphanumeric',
+                                               );
+    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+    $datatable .= '<tr'.$css_class.'><td>'.$titles{'min'}.'</td>'.
+                  '<td class="LC_left_item"><span class="LC_nobreak">'.
+                  '<input type="text" name="'.$prefix.'_min" value="'.$min.'" size="3" '.
+                  'onblur="javascript:warnInt'.$prefix.'(this);" />'.
+                  '<span class="LC_fontsize_small"> '.&mt('(Enter an integer: 7 or larger)').'</span>'.
+                  '</span></td></tr>';
+    $itemcount ++;
+    $css_class = $itemcount%2?' class="LC_odd_row"':'';
+    $datatable .= '<tr'.$css_class.'><td>'.$titles{'max'}.'</td>'.
+                  '<td class="LC_left_item"><span class="LC_nobreak">'.
+                  '<input type="text" name="'.$prefix.'_max" value="'.$max.'" size="3" '.
+                  'onblur="javascript:warnInt'.$prefix.'(this);" />'.
+                  '<span class="LC_fontsize_small"> '.&mt('(Leave blank for no maximum)').'</span>'.
+                  '</span></td></tr>';
+    $itemcount ++;
+    $css_class = $itemcount%2?' class="LC_odd_row"':'';
+    $datatable .= '<tr'.$css_class.'><td>'.$titles{'chars'}.'<br />'.
+                  '<span class="LC_nobreak LC_fontsize_small">'.&mt('(Leave unchecked if not required)').
+                  '</span></td>';
+    my $numinrow = 2;
+    my @possrules = ('uc','lc','num','spec');
+    $datatable .= '<td class="LC_left_item"><table>';
+    for (my $i=0; $i<@possrules; $i++) {
+        my ($rem,$checked);
+        if ($chars{$possrules[$i]}) {
+            $checked = ' checked="checked"';
+        }
+        $rem = $i%($numinrow);
+        if ($rem == 0) {
+            if ($i > 0) {
+                $datatable .= '</tr>';
+            }
+            $datatable .= '<tr>';
+        }
+        $datatable .= '<td><span class="LC_nobreak"><label>'.
+                      '<input type="checkbox" name="'.$prefix.'_chars" value="'.$possrules[$i].'"'.$checked.' />'.
+                      $rulenames{$possrules[$i]}.'</label></span></td>';
+    }
+    my $rem = @possrules%($numinrow);
+    my $colsleft = $numinrow - $rem;
+    if ($colsleft > 1 ) {
+        $datatable .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
+                      '&nbsp;</td>';
+    } elsif ($colsleft == 1) {
+        $datatable .= '<td class="LC_left_item">&nbsp;</td>';
+    }
+    $datatable .='</table></td></tr>';
+    $itemcount ++;
+    if ($prefix eq 'passwords') {
+        $titles{'expire'} = &mt('Password expiration (days)');
+        $titles{'numsaved'} = &mt('Number of previous passwords to save and disallow reuse');
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable .= '<tr'.$css_class.'><td>'.$titles{'expire'}.'</td>'.
+                      '<td class="LC_left_item"><span class="LC_nobreak">'.
+                      '<input type="text" name="'.$prefix.'_expire" value="'.$expire.'" size="4" '.
+                      'onblur="javascript:warnInt'.$prefix.'(this);" />'.
+                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank for no expiration)').'</span>'.
+                      '</span></td></tr>';
+        $itemcount ++;
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable .= '<tr'.$css_class.'><td>'.$titles{'numsaved'}.'</td>'.
+                      '<td class="LC_left_item"><span class="LC_nobreak">'.
+                      '<input type="text" name="'.$prefix.'_numsaved" value="'.$numsaved.'" size="3" '.
+                      'onblur="javascript:warnInt'.$prefix.'(this);" />'.
+                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank to not save previous passwords)').'</span>'.
+                      '</span></td></tr>';
+        $itemcount ++;
+    }
+    if (ref($itemcountref)) {
+        $$itemcountref += $itemcount;
+    }
+    return $datatable;
+}
+
 sub print_wafproxy {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my $css_class;
@@ -7987,7 +8479,7 @@ sub print_wafproxy {
             my %config = &Apache::lonnet::get_dom('configuration',['wafproxy'],$domain);
             if (ref($config{'wafproxy'}) eq 'HASH') {
                 $aliases{$domain} = $config{'wafproxy'}{'alias'};
-                if (exists($config{'wafproxy'}{'saml'})) { 
+                if (exists($config{'wafproxy'}{'saml'})) {
                     $saml{$domain} = $config{'wafproxy'}{'saml'};
                 }
                 foreach my $item ('remoteip','ipheader','trusted','vpnint','vpnext') {
@@ -8004,8 +8496,10 @@ sub print_wafproxy {
             my $dom_in_effect;
             my $aliasrows = '<tr>'.
                             '<td class="LC_left_item" style="vertical-align: baseline;">'.
-                            &mt('Hostname').':&nbsp;'.
-                            '<i>'.&Apache::lonnet::hostname($server).'</i></td><td>&nbsp;</td>';
+                            &mt('Hostname').': '.
+                            '<span class="LC_nobreak LC_cusr_emph">'.
+                            &Apache::lonnet::hostname($server).
+                            '</span></td><td>&nbsp;</td>';
             if ($othercontrol{$server}) {
                 $dom_in_effect = $othercontrol{$server};
                 my ($current,$forsaml);
@@ -8052,10 +8546,10 @@ sub print_wafproxy {
                               ('&nbsp;'x2).'<span class="LC_nobreak">'.
                               &mt('Alias used for SSO Auth').':&nbsp;<label>'.
                               '<input type="radio" value="0"'.$samloff.' name="wafproxy_alias_saml_'.$server.'" />'.
-                              &mt('No').'</label>&nbsp;<label>'. 
+                              &mt('No').'</label>&nbsp;<label>'.
                               '<input type="radio" value="1"'.$samlon.' name="wafproxy_alias_saml_'.$server.'" />'.
                               &mt('Yes').'</label></span>'.
-                              '</td>'; 
+                              '</td>';
             }
             $aliasrows .= '</tr>';
             $aliasinfo{$dom_in_effect} .= $aliasrows;
@@ -8965,7 +9459,7 @@ sub print_loadbalancing {
                                   no => ' checked="checked"',
                               );
         my %balcookiechecked = (
-                                  no => ' checked="checked"', 
+                                  no => ' checked="checked"',
                                );
         foreach my $sparetype (@sparestypes) {
             my $targettable;
@@ -9320,8 +9814,9 @@ sub tool_titles {
     my %titles = &Apache::lonlocal::texthash (
                      aboutme    => 'Personal web page',
                      blog       => 'Blog',
-                     webdav     => 'WebDAV',
                      portfolio  => 'Portfolio',
+                     portaccess => 'Share portfolio files',
+                     timezone   => 'Can set time zone',
                      official   => 'Official courses (with institutional codes)',
                      unofficial => 'Unofficial courses',
                      community  => 'Communities',
@@ -9551,7 +10046,7 @@ sub print_selfcreation {
         ($datatable,$itemcount) = &radiobutton_prefs(\%radiohash,\@toggles,\%defaultchecked,
                                                      \%choices,$itemcount,$onclick);
         $$rowtotal += $itemcount;
-        
+
         if (ref($usertypes) eq 'HASH') {
             if (keys(%{$usertypes}) > 0) {
                 $datatable .= &insttypes_row($createsettings,$types,$usertypes,
@@ -9688,7 +10183,7 @@ sub print_selfcreation {
                 my $currstyle = 'display:none';
                 if (grep(/^\Q$status\E$/,@ordered)) {
                     $currstyle = $rowstyle;
-                    $hidden = 0; 
+                    $hidden = 0;
                 }
                 $datatable .= &noninst_users($processing,$emailverified,$emailoptions,$emaildomain,
                                              $emailrules,$emailruleorder,$settings,$status,$rowid,
@@ -9715,8 +10210,8 @@ sub print_selfcreation {
             foreach my $status (@posstypes) {
                 my $rowid = $classprefix.$status;
                 my $datarowstyle = 'display:none';
-                if (grep(/^\Q$status\E$/,@ordered)) { 
-                    $datarowstyle = $rowstyle; 
+                if (grep(/^\Q$status\E$/,@ordered)) {
+                    $datarowstyle = $rowstyle;
                 }
                 $datatable .= &modifiable_userdata_row('cancreate','emailusername_'.$status,$settings,
                                                        $numinrow,$$rowtotal,\%usertypeshash,$infofields,
@@ -9818,7 +10313,7 @@ function toggleEmailOptions(form,radio,p
                     document.getElementById(altprefix+'_inst_'+status).style.display = 'none';
                     document.getElementById(altprefix+'_noninst_'+status).style.display = 'none';
                     if (curr == 'custom') {
-                        if (prefix) { 
+                        if (prefix) {
                             document.getElementById(prefix+'_'+status).style.display = 'inline';
                         }
                     } else if (curr == 'inst') {
@@ -9841,10 +10336,10 @@ ENDSCRIPT
 
 sub noninst_users {
     my ($processing,$emailverified,$emailoptions,$emaildomain,$emailrules,
-        $emailruleorder,$settings,$type,$rowid,$typetitle,$css_class,$rowstyle,$intdom) = @_; 
+        $emailruleorder,$settings,$type,$rowid,$typetitle,$css_class,$rowstyle,$intdom) = @_;
     my $class = 'LC_left_item';
     if ($css_class) {
-        $css_class = ' class="'.$css_class.'"'; 
+        $css_class = ' class="'.$css_class.'"';
     }
     if ($rowid) {
         $rowid = ' id="'.$rowid.'"';
@@ -9859,10 +10354,10 @@ sub noninst_users {
         $description = &mt('Requests for: [_1] (status self-reported)',$typetitle);
     }
     $output = '<tr'.$css_class.$rowid.$rowstyle.'>'.
-              "<td>$description</td>\n".           
+              "<td>$description</td>\n".
               '<td class="'.$class.'" colspan="2">'.
               '<table><tr>';
-    my %headers = &Apache::lonlocal::texthash( 
+    my %headers = &Apache::lonlocal::texthash(
               approve  => 'Processing',
               email    => 'E-mail',
               username => 'Username',
@@ -9987,7 +10482,7 @@ sub noninst_users {
                     my $value;
                     if (ref($emaildomain) eq 'HASH') {
                         if (ref($emaildomain->{$type}) eq 'HASH') {
-                            $value = $emaildomain->{$type}->{$option}; 
+                            $value = $emaildomain->{$type}->{$option};
                         }
                     }
                     if ($value eq '') {
@@ -10103,7 +10598,7 @@ sub user_formats_row {
                    'username' => 'new usernames',
                    'id'       => 'IDs',
                );
-    unless ($type eq 'email') {
+    unless (($type eq 'email') || ($type eq 'unamemap')) {
         my $css_class = $rowcount%2?' class="LC_odd_row"':'';
         $output = '<tr '.$css_class.'>'.
                   '<td><span class="LC_nobreak">'.
@@ -10158,9 +10653,9 @@ sub user_formats_row {
     } elsif ($colsleft == 1) {
         $output .= '<td class="LC_left_item">&nbsp;</td>';
     }
-    $output .= '</tr></table>';
-    unless ($type eq 'email') {
-        $output .= '</td></tr>';
+    $output .= '</tr>';
+    unless (($type eq 'email') || ($type eq 'unamemap')) {
+        $output .= '</table></td></tr>';
     }
     return $output;
 }
@@ -10223,6 +10718,15 @@ sub print_usermodification {
             $$rowtotal ++;
             $rowcount ++;
         }
+    } elsif ($position eq 'middle') {
+        $rowcount = 0;
+        $context = 'coauthor';
+        foreach my $role ('ca','aa') {
+            $datatable .= &modifiable_userdata_row($context,$role,$settings,
+                                                   $numinrow,$rowcount);
+            $$rowtotal ++;
+            $rowcount ++;
+        }
     } elsif ($position eq 'bottom') {
         $context = 'course';
         $rowcount = 0;
@@ -10292,18 +10796,34 @@ sub print_defaults {
             } elsif ($item eq 'lang_def') {
                 my $includeempty = 1;
                 $datatable .= &Apache::loncommon::select_language($item,$defaults{$item},$includeempty);
-            } else {
-                my $size;
-                if ($item eq 'portal_def') {
-                    $size = ' size="25"';
-                }
+            } elsif ($item eq 'portal_def') {
                 $datatable .= '<input type="text" name="'.$item.'" value="'.
-                              $defaults{$item}.'"'.$size.' />';
+                              $defaults{$item}.'" size="25" onkeyup="portalExtras(this);" />';
+                my $portalsty = 'none';
+                if ($defaults{$item}) {
+                    $portalsty = 'block';
+                }
+                foreach my $field ('email','web') {
+                    my $checkedoff = ' checked="checked"';
+                    my $checkedon;
+                    if ($defaults{$item.'_'.$field}) {
+                        $checkedon = $checkedoff;
+                        $checkedoff = '';
+                    }
+                    $datatable .= '<div id="'.$item.'_'.$field.'_div" style="display:'.$portalsty.'">'.
+                              '<span class="LC_nobreak">'.$titles->{$field}.'&nbsp;'.
+                              '<label><input type="radio" name="'.$item.'_'.$field.'" value="1"'.$checkedon.'/>'.&mt('Yes').'</label>'.
+                              ('&nbsp;'x2).
+                              '<label><input type="radio" name="'.$item.'_'.$field.'" value="0"'.$checkedoff.'/>'.&mt('No').'</label>'.
+                              '</div>';
+                }
+            } else {
+                $datatable .= '<input type="text" name="'.$item.'" value="'.$defaults{$item}.'" />';
             }
             $datatable .= '</td></tr>';
             $rownum ++;
         }
-    } else {
+    } elsif ($position eq 'middle') {
         my %defaults;
         if (ref($settings) eq 'HASH') {
             if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
@@ -10353,6 +10873,22 @@ sub print_defaults {
                 $rownum ++;
             }
         }
+    } else {
+        my ($unamemaprules,$ruleorder) =
+            &Apache::lonnet::inst_userrules($dom,'unamemap');
+        $css_class = $rownum%2?' class="LC_odd_row"':'';
+        if ((ref($unamemaprules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
+            my $numinrow = 2;
+            $datatable .= '<tr'.$css_class.'><td>'.&mt('Available conversions').'</td><td><table>'.
+                          &user_formats_row('unamemap',$settings,$unamemaprules,
+                                            $ruleorder,$numinrow).
+                          '</table></td></tr>';
+        }
+        if ($datatable eq '') {
+            $datatable .= '<tr'.$css_class.'><td colspan="2">'.
+                          &mt('No rules set for domain in customized localenroll.pm').
+                          '</td></tr>';
+        }
     }
     $$rowtotal += $rownum;
     return $datatable;
@@ -10378,6 +10914,8 @@ sub defaults_titles {
                    'timezone_def'  => 'Default timezone',
                    'datelocale_def' => 'Default locale for dates',
                    'portal_def'     => 'Portal/Default URL',
+                   'email'          => 'Email links use portal URL',
+                   'web'            => 'Public web links use portal URL',
                    'intauth_cost'   => 'Encryption cost for bcrypt (positive integer)',
                    'intauth_check'  => 'Check bcrypt cost if authenticated',
                    'intauth_switch' => 'Existing crypt-based switched to bcrypt on authentication',
@@ -10610,10 +11148,13 @@ sub legacy_scantronformat {
     my ($url,$error);
     my @statinfo = &Apache::lonnet::stat_file($newurl);
     if ((!@statinfo) || ($statinfo[0] eq 'no_such_dir')) {
+        my $modified = [];
         (my $result,$url) =
-            &publishlogo($r,'copy',$legacyfile,$dom,$confname,'scantron',
-                         '','',$newfile);
-        if ($result ne 'ok') {
+            &Apache::lonconfigsettings::publishlogo($r,'copy',$legacyfile,$dom,$confname,
+                                                    'scantron','','',$newfile,$modified);
+        if ($result eq 'ok') {
+            &update_modify_urls($r,$modified);
+        } else {
             $error = &mt("An error occurred publishing the [_1] bubblesheet format file in RES space. Error was: [_2].",$newfile,$result);
         }
     }
@@ -11092,6 +11633,23 @@ sub serverstatus_pages {
 sub defaults_javascript {
     my ($settings) = @_;
     return unless (ref($settings) eq 'HASH');
+    my $portal_js = <<"ENDPORTAL";
+
+function portalExtras(caller) {
+    var x = caller.value;
+    var y = new Array('email','web');
+    for (var i=0; i<y.length; i++) {
+        if (document.getElementById('portal_def_'+y[i]+'_div')) {
+            var z = document.getElementById('portal_def_'+y[i]+'_div');
+            if (x.length > 0) {
+                z.style.display = 'block';
+            } else {
+                z.style.display = 'none';
+            }
+        }
+    }
+}
+ENDPORTAL
     if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
         my $maxnum = scalar(@{$settings->{'inststatusorder'}});
         if ($maxnum eq '') {
@@ -11145,6 +11703,17 @@ $jstext
     return;
 }
 
+$portal_js
+
+// ]]>
+</script>
+
+ENDSCRIPT
+    } else {
+return <<"ENDSCRIPT";
+<script type="text/javascript">
+// <![CDATA[
+$portal_js
 // ]]>
 </script>
 
@@ -11154,17 +11723,27 @@ ENDSCRIPT
 }
 
 sub passwords_javascript {
-    my %intalert = &Apache::lonlocal::texthash (
-        authcheck => 'Warning: disallowing login for an authenticated user if the stored cost is less than the default will require a password reset by/for the user.',
-        authcost => 'Warning: bcrypt encryption cost for internal authentication must be an integer.',
-        passmin => 'Warning: minimum password length must be a positive integer greater than 6.',
-        passmax => 'Warning: maximum password length must be a positive integer (or blank).',
-        passexp => 'Warning: days before password expiration must be a positive integer (or blank).',
-        passnum => 'Warning: number of previous passwords to save must be a positive integer (or blank).',
-    );
+    my ($prefix) = @_;
+    my %intalert;
+    if ($prefix eq 'passwords') {
+        %intalert = &Apache::lonlocal::texthash (
+            authcheck => 'Warning: disallowing login for an authenticated user if the stored cost is less than the default will require a password reset by/for the user.',
+            authcost => 'Warning: bcrypt encryption cost for internal authentication must be an integer.',
+            passmin => 'Warning: minimum password length must be a positive integer greater than 6.',
+            passmax => 'Warning: maximum password length must be a positive integer (or blank).',
+            passexp => 'Warning: days before password expiration must be a positive integer (or blank).',
+            passnum => 'Warning: number of previous passwords to save must be a positive integer (or blank).',
+        );
+    } elsif (($prefix eq 'ltisecrets') || ($prefix eq 'toolsecrets')) {
+        %intalert = &Apache::lonlocal::texthash (
+            passmin => 'Warning: minimum secret length must be a positive integer greater than 6.',
+            passmax => 'Warning: maximum secret length must be a positive integer (or blank).',
+        );
+    }
     &js_escape(\%intalert);
     my $defmin = $Apache::lonnet::passwdmin;
-    my $intauthjs = <<"ENDSCRIPT";
+    my $intauthjs;
+    if ($prefix eq 'passwords') { $intauthjs = <<"ENDSCRIPT";
 
 function warnIntAuth(field) {
     if (field.name == 'intauth_check') {
@@ -11184,11 +11763,17 @@ function warnIntAuth(field) {
     return;
 }
 
-function warnIntPass(field) {
+ENDSCRIPT
+
+     }
+
+     $intauthjs .= <<"ENDSCRIPT";
+
+function warnInt$prefix(field) {
     field.value.replace(/^\s+/,'');
     field.value.replace(/\s+\$/,'');
     var regexdigit=/^\\d+\$/;
-    if (field.name == 'passwords_min') {
+    if (field.name == '${prefix}_min') {
         if (field.value == '') {
             alert('$intalert{passmin}');
             field.value = '$defmin';
@@ -11208,7 +11793,7 @@ function warnIntPass(field) {
             field.value = '';
         }
         if (field.value != '') {
-            if (field.name == 'passwords_expire') {
+            if (field.name == '${prefix}_expire') {
                 var regexpposnum=/^\\d+(|\\.\\d*)\$/; 
                 if (!regexpposnum.test(field.value)) {
                     alert('$intalert{passexp}');
@@ -11222,10 +11807,10 @@ function warnIntPass(field) {
                 }
             } else {
                 if (!regexdigit.test(field.value)) {
-                    if (field.name == 'passwords_max') {
+                    if (field.name == '${prefix}_max') {
                         alert('$intalert{passmax}');
                     } else {
-                        if (field.name == 'passwords_numsaved') {
+                        if (field.name == '${prefix}_numsaved') {
                             alert('$intalert{passnum}');
                         }
                     }
@@ -11551,12 +12136,15 @@ sub modifiable_userdata_row {
               '<td class="LC_left_item" colspan="2"><table>';
     my $rem;
     my %checks;
-    my %current;
     if (ref($settings) eq 'HASH') {
         my $hashref;
         if ($context eq 'lti') {
             if (ref($settings) eq 'HASH') {
-                $hashref = $settings->{'instdata'};
+                my %instdata;
+                if (ref($settings->{'instdata'}) eq 'ARRAY') {
+                    map { $instdata{$_} = 1; } @{$settings->{'instdata'}};
+                }
+                $hashref = \%instdata;
             }
         } elsif ($context eq 'privacy') {
             my ($key,$inner) = split(/_/,$role);
@@ -11567,7 +12155,7 @@ sub modifiable_userdata_row {
             }
         } elsif (ref($settings->{$context}) eq 'HASH') {
             if (ref($settings->{$context}->{$role}) eq 'HASH') {
-                $hashref = $settings->{'lti_instdata'};
+                $hashref = $settings->{$context}->{$role};
             }
             if ($role eq 'emailusername') {
                 if ($statustype) {
@@ -11577,7 +12165,7 @@ sub modifiable_userdata_row {
                 }
             }
         }
-        if (ref($hashref) eq 'HASH') { 
+        if (ref($hashref) eq 'HASH') {
             foreach my $field (@fields) {
                 if ($hashref->{$field}) {
                     if ($role eq 'emailusername') {
@@ -11589,7 +12177,6 @@ sub modifiable_userdata_row {
             }
         }
     }
- 
     my $total = scalar(@fields);
     for (my $i=0; $i<$total; $i++) {
         $rem = $i%($numinrow);
@@ -11649,6 +12236,8 @@ sub modifiable_userdata_row {
         } else {
             if ($context eq 'lti') {
                 $prefix = 'lti';
+            } elsif ($context eq 'coauthor') {
+                $prefix = 'cacanmodify';
             } elsif ($context eq 'privacy') {
                 $prefix = 'privacy';
             }
@@ -11678,15 +12267,19 @@ sub insttypes_row {
     my ($settings,$types,$usertypes,$dom,$numinrow,$othertitle,$context,$rowtotal,$onclick,
         $customcss,$rowstyle) = @_;
     my %lt = &Apache::lonlocal::texthash (
-                      cansearch => 'Users allowed to search',
+                      cansearch      => 'Users allowed to search',
                       statustocreate => 'Institutional affiliation(s) able to create own account (login/SSO)',
-                      lockablenames => 'User preference to lock name',
-                      selfassign    => 'Self-reportable affiliations',
-                      overrides     => "Override domain's helpdesk settings based on requester's affiliation",
+                      lockablenames  => 'User preference to lock name',
+                      selfassign     => 'Self-reportable affiliations',
+                      overrides      => "Override domain's helpdesk settings based on requester's affiliation",
+                      webdav         => 'WebDAV access available',
+                      authorquota    => 'Authoring Space quota (MB)',
              );
-    my $showdom;
+    my ($showdom,$defaultquota);
     if ($context eq 'cansearch') {
         $showdom = ' ('.$dom.')';
+    } elsif ($context eq 'authorquota') {
+        $defaultquota = 500;
     }
     my $class = 'LC_left_item';
     if ($context eq 'statustocreate') {
@@ -11723,25 +12316,44 @@ sub insttypes_row {
                     }
                     $output .= '<tr>';
                 }
-                my $check = ' ';
-                if (ref($settings) eq 'HASH') {
-                    if (ref($settings->{$context}) eq 'ARRAY') {
-                        if (grep(/^\Q$types->[$i]\E$/,@{$settings->{$context}})) {
-                            $check = ' checked="checked" ';
-                        }
-                    } elsif (ref($settings->{$context}) eq 'HASH') {
-                        if (ref($settings->{$context}->{$types->[$i]}) eq 'HASH') {
+                if ($context eq 'authorquota') {
+                    my $currquota;
+                    if ($settings->{$context}->{$types->[$i]} =~ /^\d+$/) {
+                        $currquota = $settings->{$context}->{$types->[$i]};
+                    } else {
+                        $currquota = $defaultquota;
+                    }
+                    $output .= '<td class="LC_left_item">'."\n".
+                               '<label><span class="LC_nobreak">'."\n".
+                               $usertypes->{$types->[$i]}.'</span><br />'."\n".
+                               '<input type="text" name="'.$context.'_'.$types->[$i].'" '.
+                               'value="'.$currquota.'" size="5"'.$onclick.'/>'."\n".
+                               '</label></td>';
+                } else {
+                    my $check = ' ';
+                    if (ref($settings) eq 'HASH') {
+                        if (ref($settings->{$context}) eq 'ARRAY') {
+                            if (grep(/^\Q$types->[$i]\E$/,@{$settings->{$context}})) {
+                                $check = ' checked="checked" ';
+                            }
+                        } elsif (ref($settings->{$context}) eq 'HASH') {
+                            if (ref($settings->{$context}->{$types->[$i]}) eq 'HASH') {
+                                $check = ' checked="checked" ';
+                            } elsif ($context eq 'webdav') {
+                                if ($settings->{$context}->{$types->[$i]}) {
+                                    $check = ' checked="checked" ';
+                                }
+                            }
+                        } elsif ($context eq 'statustocreate') {
                             $check = ' checked="checked" ';
                         }
-                    } elsif ($context eq 'statustocreate') {
-                        $check = ' checked="checked" ';
                     }
+                    $output .= '<td class="LC_left_item">'.
+                               '<span class="LC_nobreak"><label>'.
+                               '<input type="checkbox" name="'.$context.'" '.
+                               'value="'.$types->[$i].'"'.$check.$onclick.'/>'.
+                               $usertypes->{$types->[$i]}.'</label></span></td>';
                 }
-                $output .= '<td class="LC_left_item">'.
-                           '<span class="LC_nobreak"><label>'.
-                           '<input type="checkbox" name="'.$context.'" '.
-                           'value="'.$types->[$i].'"'.$check.$onclick.' />'.
-                           $usertypes->{$types->[$i]}.'</label></span></td>';
             }
         }
         $rem = @{$types}%($numinrow);
@@ -11753,7 +12365,7 @@ sub insttypes_row {
         } else {
             $output .= '<td class="LC_left_item">';
         }
-        $output .= '&nbsp;';  
+        $output .= '&nbsp;';
     } else {
         if ($rem == 0) {
             $output .= '<tr>';
@@ -11763,20 +12375,41 @@ sub insttypes_row {
         } else {
             $output .= '<td class="LC_left_item">';
         }
-        my $defcheck = ' ';
-        if (ref($settings) eq 'HASH') {  
-            if (ref($settings->{$context}) eq 'ARRAY') {
-                if (grep(/^default$/,@{$settings->{$context}})) {
+        if ($context eq 'authorquota') {
+            my $currquota = 500;
+            if ((ref($settings) eq 'HASH') && (ref($settings->{$context}) eq 'HASH')) {
+                if ($settings->{$context}{'default'} =~ /^\d+$/) {
+                    $currquota = $settings->{$context}{'default'};
+                }
+            }
+            $output .= '<label><span class="LC_nobreak">'.$othertitle.'</span><br />'."\n".
+                       '<input type="text" name="'.$context.'_default" '.
+                       'value="'.$currquota.'" size="5"'.$onclick.'/>'."\n".
+                       '</label>';
+        } else {
+            my $defcheck = ' ';
+            if (ref($settings) eq 'HASH') {
+                if (ref($settings->{$context}) eq 'ARRAY') {
+                    if (grep(/^default$/,@{$settings->{$context}})) {
+                        $defcheck = ' checked="checked" ';
+                    }
+                } elsif (ref($settings->{$context}) eq 'HASH') {
+                    if (ref($settings->{$context}->{'default'}) eq 'HASH') {
+                        $defcheck = ' checked="checked" ';
+                    } elsif ($context eq 'webdav') {
+                        if ($settings->{$context}->{'default'}) {
+                            $defcheck = ' checked="checked" ';
+                        }
+                    }
+                } elsif ($context eq 'statustocreate') {
                     $defcheck = ' checked="checked" ';
                 }
-            } elsif ($context eq 'statustocreate') {
-                $defcheck = ' checked="checked" ';
             }
+            $output .= '<span class="LC_nobreak"><label>'.
+                       '<input type="checkbox" name="'.$context.'" '.
+                       'value="default"'.$defcheck.$onclick.'/>'.
+                       $othertitle.'</label></span>';
         }
-        $output .= '<span class="LC_nobreak"><label>'.
-                   '<input type="checkbox" name="'.$context.'" '.
-                   'value="default"'.$defcheck.$onclick.' />'.
-                   $othertitle.'</label></span>';
     }
     $output .= '</td></tr></table></td></tr>';
     return $output;
@@ -11856,7 +12489,7 @@ sub modify_login {
     my ($r,$dom,$confname,$lastactref,%domconfig) = @_;
     my ($resulttext,$errors,$colchgtext,%changes,%colchanges,%newfile,%newurl,
         %curr_loginvia,%loginhash,@currlangs,@newlangs,$addedfile,%title,@offon,
-        %currsaml,%saml,%samltext,%samlimg,%samlalt,%samlurl,%samltitle,%samlnotsso);
+        %currsaml,%saml,%samltext,%samlimg,%samlalt,%samlurl,%samltitle,%samlwindow,%samlnotsso);
     %title = ( coursecatalog => 'Display course catalog',
                adminmail => 'Display administrator E-mail address',
                helpdesk  => 'Display "Contact Helpdesk" link',
@@ -11880,6 +12513,7 @@ sub modify_login {
                     $samlalt{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'alt'};
                     $samlimg{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'img'};
                     $samltitle{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'title'};
+                    $samlwindow{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'window'};
                     $samlnotsso{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'notsso'};
                 }
             }
@@ -12022,13 +12656,16 @@ sub modify_login {
                 if ($addedfile ne '') {
                     push(@allnew,$addedfile);
                 }
+                my $modified = [];
                 foreach my $lang (@allnew) {
                     my $formelem = 'loginhelpurl_'.$lang;
                     if ($lang eq $env{'form.loginhelpurl_add_lang'}) {
                         $formelem = 'loginhelpurl_add_file';
                     }
-                    (my $result,$newurl{$lang}) = &publishlogo($r,'upload',$formelem,$dom,$confname,
-                                                               "help/$lang",'','',$newfile{$lang});
+                    (my $result,$newurl{$lang}) =
+                        &Apache::lonconfigsettings::publishlogo($r,'upload',$formelem,$dom,$confname,
+                                                                "help/$lang",'','',$newfile{$lang},
+                                                                $modified);
                     if ($result eq 'ok') {
                         $loginhash{'login'}{'helpurl'}{$lang} = $newurl{$lang};
                         $changes{'helpurl'}{$lang} = 1;
@@ -12041,6 +12678,7 @@ sub modify_login {
                         }
                     }
                 }
+                &update_modify_urls($r,$modified);
             } else {
                 $error = &mt("Upload of custom log-in help file(s) failed because an author role could not be assigned to a Domain Configuration user ([_1]) in domain: [_2].  Error was: [_3].",$confname,$dom,$author_ok);
             }
@@ -12098,11 +12736,14 @@ sub modify_login {
             if ($switchserver) {
                 $error = &mt("Upload of custom markup is not permitted to this server: [_1]",$switchserver);
             } elsif ($author_ok eq 'ok') {
+                my $modified = [];
                 foreach my $lonhost (@newhosts) {
                     my $formelem = 'loginheadtag_'.$lonhost;
-                    (my $result,$newheadtagurls{$lonhost}) = &publishlogo($r,'upload',$formelem,$dom,$confname,
-                                                                          "login/headtag/$lonhost",'','',
-                                                                          $env{'form.loginheadtag_'.$lonhost.'.filename'});
+                    (my $result,$newheadtagurls{$lonhost}) =
+                        &Apache::lonconfigsettings::publishlogo($r,'upload',$formelem,$dom,$confname,
+                                                                "login/headtag/$lonhost",'','',
+                                                                $env{'form.loginheadtag_'.$lonhost.'.filename'},
+                                                                $modified);
                     if ($result eq 'ok') {
                         $loginhash{'login'}{'headtag'}{$lonhost}{'url'} = $newheadtagurls{$lonhost};
                         $changes{'headtag'}{$lonhost} = 1;
@@ -12119,6 +12760,7 @@ sub modify_login {
                         }
                     }
                 }
+                &update_modify_urls($r,$modified);
             } else {
                 $error = &mt("Upload of custom markup file(s) failed because an author role could not be assigned to a Domain Configuration user ([_1]) in domain: [_2].  Error was: [_3].",$confname,$dom,$author_ok);
             }
@@ -12137,10 +12779,13 @@ sub modify_login {
             if ($env{'form.saml_img_'.$lonhost.'.filename'}) {
                 push(@newsamlimgs,$lonhost);
             }
-            foreach my $item ('text','alt','url','title','notsso') {
+            foreach my $item ('text','alt','url','title','window','notsso') {
                 $env{'form.saml_'.$item.'_'.$lonhost} =~ s/^\s+|\s+$//g;
             }
             if ($saml{$lonhost}) {
+                if ($env{'form.saml_window_'.$lonhost} ne '1') {
+                    $env{'form.saml_window_'.$lonhost} = '';
+                }
                 if (grep(/^\Q$lonhost\E$/,@delsamlimg)) {
 #FIXME Need to obsolete published image
                     delete($currsaml{$lonhost}{'img'});
@@ -12158,25 +12803,28 @@ sub modify_login {
                 if ($env{'form.saml_title_'.$lonhost} ne $samltitle{$lonhost}) {
                     $changes{'saml'}{$lonhost} = 1;
                 }
+                if ($env{'form.saml_window_'.$lonhost} ne $samlwindow{$lonhost}) {
+                    $changes{'saml'}{$lonhost} = 1;
+                }
                 if ($env{'form.saml_notsso_'.$lonhost} ne $samlnotsso{$lonhost}) {
                     $changes{'saml'}{$lonhost} = 1;
                 }
             } else {
                 $changes{'saml'}{$lonhost} = 1;
             }
-            foreach my $item ('text','alt','url','title','notsso') {
+            foreach my $item ('text','alt','url','title','window','notsso') {
                 $currsaml{$lonhost}{$item} = $env{'form.saml_'.$item.'_'.$lonhost};
             }
         } else {
-            if ($saml{$lonhost}) {  
+            if ($saml{$lonhost}) {
                 $changes{'saml'}{$lonhost} = 1;
                 delete($currsaml{$lonhost});
             }
         }
     }
     foreach my $posshost (keys(%currsaml)) {
-        unless (exists($domservers{$posshost})) { 
-            delete($currsaml{$posshost}); 
+        unless (exists($domservers{$posshost})) {
+            delete($currsaml{$posshost});
         }
     }
     %{$loginhash{'login'}{'saml'}} = %currsaml;
@@ -12187,11 +12835,14 @@ sub modify_login {
             if ($switchserver) {
                 $error = &mt("Upload of SSO Button Image is not permitted to this server: [_1].",$switchserver);
             } elsif ($author_ok eq 'ok') {
+                my $modified = [];
                 foreach my $lonhost (@newsamlimgs) {
                     my $formelem = 'saml_img_'.$lonhost;
-                    my ($result,$imgurl) = &publishlogo($r,'upload',$formelem,$dom,$confname,
-                                                        "login/saml/$lonhost",'','',
-                                                        $env{'form.saml_img_'.$lonhost.'.filename'});
+                    my ($result,$imgurl) =
+                        &Apache::lonconfigsettings::publishlogo($r,'upload',$formelem,$dom,$confname,
+                                                                "login/saml/$lonhost",'','',
+                                                                $env{'form.saml_img_'.$lonhost.'.filename'},
+                                                                $modified);
                     if ($result eq 'ok') {
                         $currsaml{$lonhost}{'img'} = $imgurl;
                         $loginhash{'login'}{'saml'}{$lonhost}{'img'} = $imgurl;
@@ -12202,6 +12853,7 @@ sub modify_login {
                         $errors .= '<li><span class="LC_error">'.$puberror.'</span></li>';
                     }
                 }
+                &update_modify_urls($r,$modified);
             } else {
                 $error = &mt("Upload of SSO button image file(s) failed because an author role could not be assigned to a Domain Configuration user ([_1]) in domain: [_2].  Error was: [_3].",$confname,$dom,$author_ok);
             }
@@ -12365,19 +13017,22 @@ sub modify_login {
                                        alt    => 'Alt text for button image',
                                        url    => 'SSO URL',
                                        title  => 'Tooltip for SSO link',
+                                       window => 'Pop-up window if iframe',
                                        notsso => 'Text for non-SSO log-in',
                                     );
                         foreach my $lonhost (sort(keys(%{$changes{$item}}))) {
                             if (ref($currsaml{$lonhost}) eq 'HASH') {
                                 $resulttext .= '<li>'.&mt("$title{$item} in use for [_1]","<b>$lonhost</b>").
                                                '<ul>';
-                                foreach my $key ('text','img','alt','url','title','notsso') {
+                                foreach my $key ('text','img','alt','url','title','window','notsso') {
                                     if ($currsaml{$lonhost}{$key} eq '') {
                                         $resulttext .= '<li>'.&mt("$notlt{$key} not in use").'</li>';
                                     } else {
                                         my $value = "'$currsaml{$lonhost}{$key}'";
                                         if ($key eq 'img') {
                                             $value = '<img src="'.$currsaml{$lonhost}{$key}.'" />';
+                                        } elsif ($key eq 'window') {
+                                            $value = 'On';
                                         }
                                         $resulttext .= '<li>'.&mt("$notlt{$key} set to: [_1]",
                                                                   $value).'</li>';
@@ -12475,7 +13130,6 @@ sub check_exempt_addresses {
 sub color_font_choices {
     my %choices =
         &Apache::lonlocal::texthash (
-            img => "Header",
             bgs => "Background colors",
             links => "Link colors",
             images => "Images",
@@ -12530,13 +13184,15 @@ sub modify_ipaccess {
     foreach my $idx (@items) {
         my $itemid = $itemids{$idx};
         next unless ($itemid);
-        my %current;
-        unless ($idx eq 'add') {
+        my ($position,%current);
+        if ($idx eq 'add') {
+            $position = $env{'form.ipaccess_pos_add'};
+        } else {
+            $position = $env{'form.ipaccess_pos_'.$itemid};
             if (ref($domconfig{'ipaccess'}{$itemid}) eq 'HASH') {
                 %current = %{$domconfig{'ipaccess'}{$itemid}};
             }
         }
-        my $position = $env{'form.ipaccess_pos_'.$itemid};
         $position =~ s/\D+//g;
         if ($position ne '') {
             $allpos[$position] = $itemid;
@@ -12553,7 +13209,7 @@ sub modify_ipaccess {
             $possrange =~ s/,+/,/g;
             if ($possrange ne '') {
                 my (@ok,$count);
-                $count = 0; 
+                $count = 0;
                 foreach my $poss (split(/\,/,$possrange)) {
                     $count ++;
                     $poss = &validate_ip_pattern($poss);
@@ -12586,9 +13242,9 @@ sub modify_ipaccess {
             }
         }
         $confhash{$itemid}{'commblocks'} = {};
-         
+
         my %commblocks;
-        map { $commblocks{$_} = 1; } &Apache::loncommon::get_env_multiple('form.ipaccess_block_'.$idx);  
+        map { $commblocks{$_} = 1; } &Apache::loncommon::get_env_multiple('form.ipaccess_block_'.$idx);
         foreach my $type (@{$typeorder}) {
             if ($commblocks{$type}) {
                 $confhash{$itemid}{'commblocks'}{$type} = 'on';
@@ -12620,7 +13276,7 @@ sub modify_ipaccess {
         }
         $env{'form.ipaccess_cnum_'.$idx} =~ s/^\s+|\s+$//g;
         $env{'form.ipaccess_cdom_'.$idx} =~ s/^\s+|\s+$//g;
-        if (($env{'form.ipaccess_cnum_'.$idx} =~ /^$match_courseid$/) && 
+        if (($env{'form.ipaccess_cnum_'.$idx} =~ /^$match_courseid$/) &&
             ($env{'form.ipaccess_cdom_'.$idx} =~ /^$match_domain$/)) {
             if (&Apache::lonnet::homeserver($env{'form.ipaccess_cnum_'.$idx},
                                             $env{'form.ipaccess_cdom_'.$idx}) eq 'no_host') {
@@ -12700,7 +13356,7 @@ sub modify_ipaccess {
                     if (keys(%{$confhash{$itemid}{'courses'}})) {
                         my @courses;
                         foreach my $cid (sort(keys(%{$confhash{$itemid}{'courses'}}))) {
-                            my %courseinfo = &Apache::lonnet::coursedescription($cid,{'one_time' => 1}); 
+                            my %courseinfo = &Apache::lonnet::coursedescription($cid,{'one_time' => 1});
                             push(@courses,$courseinfo{'description'}.' ('.$cid.')');
                         }
                         $resulttext .= '<li>'.&mt('Courses/Communities allowed').':<ul><li>'.
@@ -12768,6 +13424,251 @@ sub get_ipaccess_id {
     return ($id,$error);
 }
 
+sub modify_authordefaults {
+    my ($dom,$lastactref,%domconfig) = @_;
+#
+# Retrieve current domain configuration for webDAV and Authoring Space quotas from $domconfig{'quotas'}.
+#
+    my (%curr_quotas,%save_quotas,%confhash,%changes,%newvalues);
+    if (ref($domconfig{'quotas'}) eq 'HASH') {
+        foreach my $key (keys(%{$domconfig{'quotas'}})) {
+            if ($key =~ /^webdav|authorquota$/) {
+                $curr_quotas{$key} = $domconfig{'quotas'}{$key};
+            } else {
+                $save_quotas{$key} = $domconfig{'quotas'}{$key};
+            }
+        }
+    }
+    my %staticdefaults = (
+                           'copyright'    => 'default',
+                           'sourceavail'  => 'closed',
+                           'nocodemirror' => 'off',
+                           'daxecollapse' => 'off',
+                           'domcoordacc'  => 'on',
+                           'editors'      => ['edit','xml'],
+                           'authorquota'  => 500,
+                           'webdav'       => 0,
+                           'archive'      => 'off',
+                         );
+    my %titles = &authordefaults_titles();
+    foreach my $item ('nocodemirror','daxecollapse','domcoordacc','archive') {
+        if ($env{'form.'.$item} =~ /^(0|1)$/) {
+            $confhash{$item} = $env{'form.'.$item};
+        }
+    }
+    if ($env{'form.copyright'} =~ /^(default|domain|public)$/) {
+        $confhash{'copyright'} = $1;
+    }
+    if ($env{'form.sourceavail'} =~ /^(closed|open)$/) {
+        $confhash{'sourceavail'} = $1;
+    }
+    my @posseditors =  &Apache::loncommon::get_env_multiple('form.author_editors');
+    my @okeditors = ('edit','xml','daxe');
+    my @editors;
+    foreach my $item (@posseditors) {
+        if (grep(/^\Q$item\E$/,@okeditors)) {
+            push(@editors,$item);
+        }
+    }
+    $confhash{'editors'} = \@editors;
+
+    my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
+    my @insttypes;
+    if (ref($types) eq 'ARRAY') {
+        @insttypes = @{$types};
+    }
+    my @webdavon = &Apache::loncommon::get_env_multiple('form.webdav');
+    my %webdav;
+    map { $webdav{$_} = 1; } @webdavon;
+    foreach my $type (@insttypes,'default') {
+        my $possquota = $env{'form.authorquota_'.$type};
+        if ($possquota =~ /^\d+$/) {
+            $save_quotas{'authorquota'}{$type} = $possquota;
+        }
+        if ($webdav{$type}) {
+            $save_quotas{'webdav'}{$type} = 1;
+        } else {
+            $save_quotas{'webdav'}{$type} = 0;
+        }
+    }
+    if ($env{'form.webdav_LC_adv'} =~ /^(0|1)$/) {
+        $save_quotas{'webdav'}{'_LC_adv'} = $env{'form.webdav_LC_adv'};
+    }
+    if (ref($domconfig{'authordefaults'}) eq 'HASH') {
+        foreach my $item ('nocodemirror','daxecollapse','domcoordacc','copyright','sourceavail','archive') {
+            if ($domconfig{'authordefaults'}{$item} ne $confhash{$item}) {
+                $changes{$item} = 1;
+             }
+        }
+        if (ref($domconfig{'authordefaults'}{'editors'}) eq 'ARRAY') {
+            my @diffs =
+                &Apache::loncommon::compare_arrays($confhash{'editors'},
+                                                   $domconfig{'authordefaults'}{'editors'});
+            unless (@diffs == 0) {
+                $changes{'editors'} = 1;
+            }
+        } else {
+            my @diffs =
+                &Apache::loncommon::compare_arrays($confhash{'editors'},
+                                                   $staticdefaults{'editors'});
+            unless (@diffs == 0) {
+                $changes{'editors'} = 1;
+            }
+        }
+    } else {
+        my @offon = ('off','on');
+        foreach my $item ('nocodemirror','daxecollapse','domcoordacc','archive') {
+            if ($offon[$confhash{$item}] ne $staticdefaults{$item}) {
+                $changes{$item} = 1; 
+            }
+        }
+        foreach my $item ('copyright','sourceavail') {
+            if ($confhash{$item} ne $staticdefaults{$item}) {
+                $changes{$item} = 1;
+            }
+        }
+        my @diffs =
+            &Apache::loncommon::compare_arrays($confhash{'editors'},
+                                               $staticdefaults{'editors'});
+        unless (@diffs == 0) {
+            $changes{'editors'} = 1;
+        }
+    }
+    foreach my $key ('authorquota','webdav') {
+        if (ref($curr_quotas{$key}) eq 'HASH') {
+            foreach my $type (@insttypes,'default') {
+                if (exists($save_quotas{$key}{$type})) {
+                    if ($save_quotas{$key}{$type} ne $curr_quotas{$key}{$type}) {
+                        $changes{$key}{$type} = 1;
+                    }
+                } elsif (exists($curr_quotas{$key}{$type})) {
+                    $save_quotas{$key}{$type} = $curr_quotas{$key}{$type};
+                } else {
+                    $save_quotas{$key}{$type} = $staticdefaults{$key};
+                }
+            }
+        } else {
+            foreach my $type (@insttypes,'default') {
+                if (exists($save_quotas{$key}{$type})) {
+                    unless ($save_quotas{$key}{$type} eq $staticdefaults{$key}) {
+                        $changes{$key}{$type} = 1;
+                    }
+                } else {
+                    $save_quotas{$key}{$type} = $staticdefaults{$key};
+                }
+            }
+        }
+    }
+    if (ref($curr_quotas{'webdav'}) eq 'HASH') {
+        if (exists($save_quotas{'webdav'}{'_LC_adv'})) {
+            if ($save_quotas{'webdav'}{'_LC_adv'} ne $curr_quotas{'webdav'}{'_LC_adv'}) {
+                $changes{'webdav_LC_adv'} = 1;
+            }
+        } elsif (exists($curr_quotas{'webdav'}{'_LC_adv'})) {
+            $changes{'webdav_LC_adv'} = 1;
+        }
+    } elsif (exists($save_quotas{'webdav'}{'_LC_adv'})) {
+        $changes{'webdav_LC_adv'} = 1;
+    }
+    my %confighash = (
+                        quotas  => \%save_quotas,
+                        authordefaults => \%confhash,
+                     );
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%confighash,
+                                             $dom);
+    my $resulttext;
+    if ($putresult eq 'ok') {
+        if (keys(%changes)) {
+            my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
+            if ((exists($changes{'authorquota'})) || (exists($changes{'webdav'})) ||
+                ($changes{'webdav_LC_adv'})) {
+                if ((exists($changes{'authorquota'})) && (ref($save_quotas{'authorquota'}) eq 'HASH')) {
+                    $domdefaults{'authorquota'} = $save_quotas{'authorquota'};
+                }
+                if (((exists($changes{'webdav'})) || ($changes{'webdav_LC_adv'})) &&
+                    (ref($save_quotas{'webdav'}) eq 'HASH')) {
+                    $domdefaults{'webdav'} = $save_quotas{'webdav'};
+                }
+            }
+            $resulttext = &mt('Changes made:').'<ul>';
+            my $authoroverride;
+            foreach my $key ('nocodemirror','daxecollapse','domcoordacc','copyright','sourceavail') {
+                if (exists($changes{$key})) {
+                    $domdefaults{$key} = $confhash{$key};
+                    my $shown;
+                    unless ($authoroverride) {
+                        $resulttext .= '<li>'.&mt('Defaults which can be overridden by Author').'<ul>';
+                        $authoroverride = 1;
+                    }
+                    if (($key eq 'nocodemirror') || ($key eq 'daxecollapse') || ($key eq 'domcoordacc')) {
+                        $shown = ($confhash{$key} ? &mt('Yes') : &mt('No'));
+                    } elsif ($key eq 'copyright') {
+                        $shown = &Apache::loncommon::copyrightdescription($confhash{$key});
+                    } elsif ($key eq 'sourceavail') {
+                        $shown = &Apache::loncommon::source_copyrightdescription($confhash{$key});
+                    }
+                    $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$titles{$key},$shown).'</li>';
+                }
+            }
+            if ($authoroverride) {
+                $resulttext .= '</ul></li>';
+            }
+            my $domcoordoverride;
+            foreach my $key ('editors','authorquota','webdav','webdav_LC_adv','archive') {
+                if (exists($changes{$key})) {
+                    my $shown;
+                    unless ($domcoordoverride) {
+                        $resulttext .= '<li>'.&mt('Defaults which can be overridden by a Domain Coodinator').'<ul>';
+                        $domcoordoverride = 1;
+                    }
+                    if ($key eq 'editors') {
+                        if (ref($confhash{'editors'}) eq 'ARRAY') {
+                            $domdefaults{'editors'} = join(',',@{$confhash{'editors'}});
+                            if (@{$confhash{'editors'}}) {
+                                $shown = join(', ', map { $titles{$_} } @{$confhash{'editors'}});
+                            } else {
+                                $shown = &mt('None');
+                            }
+                        }
+                    } elsif ($key eq 'authorquota') {
+                        foreach my $type (@insttypes) {
+                            $shown .= $usertypes->{$type}.' -- '.$save_quotas{$key}{$type}.', ';
+                        }
+                        $shown .= $othertitle.' -- '.$save_quotas{$key}{'default'};
+                    } elsif ($key eq 'webdav') {
+                        foreach my $type (@insttypes) {
+                            $shown .= $usertypes->{$type}.' -- '. ($save_quotas{$key}{$type} ? &mt('Yes') : &mt('No')).', ';
+                        }
+                        $shown .= $othertitle.' -- '. ($save_quotas{$key}{'default'} ? &mt('Yes') : &mt('No'));
+                    } elsif ($key eq 'webdav_LC_adv') {
+                        if (exists($save_quotas{'webdav'}{'_LC_adv'})) {
+                            $shown = ($save_quotas{'webdav'}{'_LC_adv'} ? $titles{'overon'} : $titles{'overoff'});
+                        } else {
+                            $shown = $titles{'none'};
+                        }
+                    } elsif ($key eq 'archive') {
+                        $domdefaults{$key} = $confhash{$key};
+                        $shown = ($confhash{$key} ? &mt('Yes') : &mt('No'));
+                    }
+                    $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$titles{$key},$shown).'</li>';
+                }
+            }
+            if ($domcoordoverride) {
+                $resulttext .= '</ul></li>';
+            }
+            $resulttext .= '</ul>';
+            my $cachetime = 24*60*60;
+            &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+            if (ref($lastactref) eq 'HASH') {
+                $lastactref->{'domdefaults'} = 1;
+            }
+        } else {
+            $resulttext = &mt('No changes made to Authoring Space defaults');
+        }
+    }
+    return $resulttext;
+}
+
 sub modify_rolecolors {
     my ($r,$dom,$confname,$roles,$lastactref,%domconfig) = @_;
     my ($resulttext,%rolehash);
@@ -12824,11 +13725,15 @@ sub modify_colors {
             @images = ('img','logo','domlogo','login');
             @bgs = ('pgbg','mainbg','sidebg');
         } else {
-            @images = ('img');
+            @images = ();
             @bgs = ('pgbg','tabbg','sidebg');
         }
         my %defaults = &role_defaults($role,\@bgs,\@links,\@images,\@logintext);
-        unless ($env{'form.'.$role.'_font'} eq $defaults{'font'}) {
+        $env{'form.'.$role.'_font'} = lc($env{'form.'.$role.'_font'});
+        if ($env{'form.'.$role.'_font'} =~ /^\w+/) {
+            $env{'form.'.$role.'_font'} = '#'.$env{'form.'.$role.'_font'};
+        }
+        unless ($env{'form.'.$role.'_font'} eq lc($defaults{'font'})) {
             $confhash->{$role}{'font'} = $env{'form.'.$role.'_font'};
         }
         if ($role eq 'login') {
@@ -12846,7 +13751,7 @@ sub modify_colors {
             if ($env{'form.'.$role.'_fontmenu'} =~ /^\w+/) {
                 $env{'form.'.$role.'_fontmenu'} = '#'.$env{'form.'.$role.'_fontmenu'};
             }
-            unless($env{'form.'.$role.'_fontmenu'} eq lc($defaults{'fontmenu'})) {
+            unless ($env{'form.'.$role.'_fontmenu'} eq lc($defaults{'fontmenu'})) {
                 $confhash->{$role}{'fontmenu'} = $env{'form.'.$role.'_fontmenu'};
             }
         }
@@ -12903,12 +13808,15 @@ sub modify_colors {
                         $error = &mt("Upload of [_1] image for $role page(s) is not permitted to this server: [_2]",$choices{$img},$switchserver);
                     } else {
                         if ($author_ok eq 'ok') {
+                            my $modified = [];
                             my ($result,$logourl) = 
-                                &publishlogo($r,'upload',$role.'_'.$img,
-                                           $dom,$confname,$img,$width,$height);
+                                &Apache::lonconfigsettings::publishlogo($r,'upload',$role.'_'.$img,
+                                                                        $dom,$confname,$img,$width,$height,
+                                                                        '',$modified);
                             if ($result eq 'ok') {
                                 $confhash->{$role}{$img} = $logourl;
                                 $changes{$role}{'images'}{$img} = 1;
+                                &update_modify_urls($r,$modified);
                             } else {
                                 $error = &mt("Upload of [_1] image for $role page(s) failed because an error occurred publishing the file in RES space. Error was: [_2].",$choices{img},$result);
                             }
@@ -12930,12 +13838,15 @@ sub modify_colors {
 # is confname an author?
                         if ($switchserver eq '') {
                             if ($author_ok eq 'ok') {
+                                my $modified = [];
                                 my ($result,$logourl) = 
-                               &publishlogo($r,'copy',$domconfig->{$role}{$img},
-                                            $dom,$confname,$img,$width,$height);
+                                    &Apache::lonconfigsettings::publishlogo($r,'copy',$domconfig->{$role}{$img},
+                                                                            $dom,$confname,$img,$width,$height,
+                                                                            '',$modified);
                                 if ($result eq 'ok') {
                                     $confhash->{$role}{$img} = $logourl;
 				    $changes{$role}{'images'}{$img} = 1;
+                                    &update_modify_urls($r,$modified);
                                 }
                             }
                         }
@@ -13229,229 +14140,16 @@ sub check_authorstatus {
     return $author_ok;
 }
 
-sub publishlogo {
-    my ($r,$action,$formname,$dom,$confname,$subdir,$thumbwidth,$thumbheight,$savefileas) = @_;
-    my ($output,$fname,$logourl,$madethumb);
-    if ($action eq 'upload') {
-        $fname=$env{'form.'.$formname.'.filename'};
-        chop($env{'form.'.$formname});
-    } else {
-        ($fname) = ($formname =~ /([^\/]+)$/);
-    }
-    if ($savefileas ne '') {
-        $fname = $savefileas;
-    }
-    $fname=&Apache::lonnet::clean_filename($fname);
-# See if there is anything left
-    unless ($fname) { return ('error: no uploaded file'); }
-    $fname="$subdir/$fname";
-    my $docroot=$r->dir_config('lonDocRoot');
-    my $filepath="$docroot/priv";
-    my $relpath = "$dom/$confname";
-    my ($fnamepath,$file,$fetchthumb);
-    $file=$fname;
-    if ($fname=~m|/|) {
-        ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|);
-    }
-    my @parts=split(/\//,"$filepath/$relpath/$fnamepath");
-    my $count;
-    for ($count=5;$count<=$#parts;$count++) {
-        $filepath.="/$parts[$count]";
-        if ((-e $filepath)!=1) {
-            mkdir($filepath,02770);
-        }
-    }
-    # Check for bad extension and disallow upload
-    if ($file=~/\.(\w+)$/ &&
-        (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
-        $output = 
-            &mt('Invalid file extension ([_1]) - reserved for internal use.',$1); 
-    } elsif ($file=~/\.(\w+)$/ &&
-        !defined(&Apache::loncommon::fileembstyle($1))) {
-        $output = &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
-    } elsif ($file=~/\.(\d+)\.(\w+)$/) {
-        $output = &mt('Filename not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
-    } elsif (-d "$filepath/$file") {
-        $output = &mt('Filename is a directory name - rename the file and re-upload');
-    } else {
-        my $source = $filepath.'/'.$file;
-        my $logfile;
-        if (!open($logfile,">>",$source.'.log')) {
-            return (&mt('No write permission to Authoring Space'));
-        }
-        print $logfile
-"\n================= Publish ".localtime()." ================\n".
-$env{'user.name'}.':'.$env{'user.domain'}."\n";
-# Save the file
-        if (!open(FH,">",$source)) {
-            &Apache::lonnet::logthis('Failed to create '.$source);
-            return (&mt('Failed to create file'));
-        }
-        if ($action eq 'upload') {
-            if (!print FH ($env{'form.'.$formname})) {
-                &Apache::lonnet::logthis('Failed to write to '.$source);
-                return (&mt('Failed to write file'));
-            }
-        } else {
-            my $original = &Apache::lonnet::filelocation('',$formname);
-            if(!copy($original,$source)) {
-                &Apache::lonnet::logthis('Failed to copy '.$original.' to '.$source);
-                return (&mt('Failed to write file'));
-            }
-        }
-        close(FH);
-        chmod(0660, $source); # Permissions to rw-rw---.
-
-        my $targetdir=$docroot.'/res/'.$dom.'/'.$confname .'/'.$fnamepath;
-        my $copyfile=$targetdir.'/'.$file;
-
-        my @parts=split(/\//,$targetdir);
-        my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
-        for (my $count=5;$count<=$#parts;$count++) {
-            $path.="/$parts[$count]";
-            if (!-e $path) {
-                print $logfile "\nCreating directory ".$path;
-                mkdir($path,02770);
-            }
-        }
-        my $versionresult;
-        if (-e $copyfile) {
-            $versionresult = &logo_versioning($targetdir,$file,$logfile);
-        } else {
-            $versionresult = 'ok';
-        }
-        if ($versionresult eq 'ok') {
-            if (copy($source,$copyfile)) {
-                print $logfile "\nCopied original source to ".$copyfile."\n";
-                $output = 'ok';
-                $logourl = '/res/'.$dom.'/'.$confname.'/'.$fname;
-                push(@{$modified_urls},[$copyfile,$source]);
-                my $metaoutput = 
-                    &write_metadata($dom,$confname,$formname,$targetdir,$file,$logfile);
-                unless ($registered_cleanup) {
-                    my $handlers = $r->get_handlers('PerlCleanupHandler');
-                    $r->set_handlers('PerlCleanupHandler' => [\&notifysubscribed,@{$handlers}]);
-                    $registered_cleanup=1;
-                }
-            } else {
-                print $logfile "\nUnable to write ".$copyfile.':'.$!."\n";
-                $output = &mt('Failed to copy file to RES space').", $!";
-            }
-            if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) {
-                my $inputfile = $filepath.'/'.$file;
-                my $outfile = $filepath.'/'.'tn-'.$file;
-                my ($fullwidth,$fullheight) = &check_dimensions($inputfile);
-                if ($fullwidth ne '' && $fullheight ne '') { 
-                    if ($fullwidth > $thumbwidth && $fullheight > $thumbheight) {
-                        my $thumbsize = $thumbwidth.'x'.$thumbheight;
-                        my @args = ('convert','-sample',$thumbsize,$inputfile,$outfile);
-                        system({$args[0]} @args);
-                        chmod(0660, $filepath.'/tn-'.$file);
-                        if (-e $outfile) {
-                            my $copyfile=$targetdir.'/tn-'.$file;
-                            if (copy($outfile,$copyfile)) {
-                                print $logfile "\nCopied source to ".$copyfile."\n";
-                                my $thumb_metaoutput = 
-                                    &write_metadata($dom,$confname,$formname,
-                                                    $targetdir,'tn-'.$file,$logfile);
-                                push(@{$modified_urls},[$copyfile,$outfile]);
-                                unless ($registered_cleanup) {
-                                    my $handlers = $r->get_handlers('PerlCleanupHandler');
-                                    $r->set_handlers('PerlCleanupHandler' => [\&notifysubscribed,@{$handlers}]);
-                                    $registered_cleanup=1;
-                                }
-                                $madethumb = 1;
-                            } else {
-                                print $logfile "\nUnable to write ".$copyfile.
-                                               ':'.$!."\n";
-                            }
-                        }
-                    }
-                }
-            }
-        } else {
-            $output = $versionresult;
+sub update_modify_urls {
+    my ($r,$modified) = @_;
+    if ((ref($modified) eq 'ARRAY') && (@{$modified})) {
+        push(@{$modified_urls},$modified);
+        unless ($registered_cleanup) {
+            my $handlers = $r->get_handlers('PerlCleanupHandler');
+            $r->set_handlers('PerlCleanupHandler' => [\&notifysubscribed,@{$handlers}]);
+            $registered_cleanup=1;
         }
     }
-    return ($output,$logourl,$madethumb);
-}
-
-sub logo_versioning {
-    my ($targetdir,$file,$logfile) = @_;
-    my $target = $targetdir.'/'.$file;
-    my ($maxversion,$fn,$extn,$output);
-    $maxversion = 0;
-    if ($file =~ /^(.+)\.(\w+)$/) {
-        $fn=$1;
-        $extn=$2;
-    }
-    opendir(DIR,$targetdir);
-    while (my $filename=readdir(DIR)) {
-        if ($filename=~/\Q$fn\E\.(\d+)\.\Q$extn\E$/) {
-            $maxversion=($1>$maxversion)?$1:$maxversion;
-        }
-    }
-    $maxversion++;
-    print $logfile "\nCreating old version ".$maxversion."\n";
-    my $copyfile=$targetdir.'/'.$fn.'.'.$maxversion.'.'.$extn;
-    if (copy($target,$copyfile)) {
-        print $logfile "Copied old target to ".$copyfile."\n";
-        $copyfile=$copyfile.'.meta';
-        if (copy($target.'.meta',$copyfile)) {
-            print $logfile "Copied old target metadata to ".$copyfile."\n";
-            $output = 'ok';
-        } else {
-            print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
-            $output = &mt('Failed to copy old meta').", $!, ";
-        }
-    } else {
-        print $logfile "Unable to write ".$copyfile.':'.$!."\n";
-        $output = &mt('Failed to copy old target').", $!, ";
-    }
-    return $output;
-}
-
-sub write_metadata {
-    my ($dom,$confname,$formname,$targetdir,$file,$logfile) = @_;
-    my (%metadatafields,%metadatakeys,$output);
-    $metadatafields{'title'}=$formname;
-    $metadatafields{'creationdate'}=time;
-    $metadatafields{'lastrevisiondate'}=time;
-    $metadatafields{'copyright'}='public';
-    $metadatafields{'modifyinguser'}=$env{'user.name'}.':'.
-                                         $env{'user.domain'};
-    $metadatafields{'authorspace'}=$confname.':'.$dom;
-    $metadatafields{'domain'}=$dom;
-    {
-        print $logfile "\nWrite metadata file for ".$targetdir.'/'.$file;
-        my $mfh;
-        if (open($mfh,">",$targetdir.'/'.$file.'.meta')) {
-            foreach (sort(keys(%metadatafields))) {
-                unless ($_=~/\./) {
-                    my $unikey=$_;
-                    $unikey=~/^([A-Za-z]+)/;
-                    my $tag=$1;
-                    $tag=~tr/A-Z/a-z/;
-                    print $mfh "\n\<$tag";
-                    foreach (split(/\,/,$metadatakeys{$unikey})) {
-                        my $value=$metadatafields{$unikey.'.'.$_};
-                        $value=~s/\"/\'\'/g;
-                        print $mfh ' '.$_.'="'.$value.'"';
-                    }
-                    print $mfh '>'.
-                        &HTML::Entities::encode($metadatafields{$unikey},'<>&"')
-                            .'</'.$tag.'>';
-                }
-            }
-            $output = 'ok';
-            print $logfile "\nWrote metadata";
-            close($mfh);
-        } else {
-            print $logfile "\nFailed to open metadata file";
-            $output = &mt('Could not write metadata');
-        }
-    }
-    return $output;
 }
 
 sub notifysubscribed {
@@ -13502,15 +14200,21 @@ sub subscribed_hosts {
 
 sub check_switchserver {
     my ($dom,$confname) = @_;
-    my ($allowed,$switchserver);
-    my $home = &Apache::lonnet::homeserver($confname,$dom);
-    if ($home eq 'no_host') {
+    my ($allowed,$switchserver,$home);
+    if ($confname eq '') {
         $home = &Apache::lonnet::domain($dom,'primary');
+    } else {
+        $home = &Apache::lonnet::homeserver($confname,$dom);
+        if ($home eq 'no_host') {
+            $home = &Apache::lonnet::domain($dom,'primary');
+        }
     }
     my @ids=&Apache::lonnet::current_machine_ids();
     foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
     if (!$allowed) {
-	$switchserver='<a href="/adm/switchserver?otherserver='.$home.'&amp;role=dc./'.$dom.'/&amp;destinationurl=/adm/domainprefs">'.&mt('Switch Server').'</a>';
+	$switchserver='<a href="/adm/switchserver?otherserver='.$home.'&amp;role='.
+                      &HTML::Entities::encode($env{'request.role'},'\'<>"&').
+                      '&amp;destinationurl=/adm/domainprefs">'.&mt('Switch Server').'</a>';
     }
     return $switchserver;
 }
@@ -13522,7 +14226,7 @@ sub modify_quotas {
         $author_ok,$switchserver,$errors,$validationitemsref,$validationnamesref,
         $validationfieldsref);
     if ($action eq 'quotas') {
-        $context = 'tools'; 
+        $context = 'tools';
     } else {
         $context = $action;
     }
@@ -13542,7 +14246,7 @@ sub modify_quotas {
         @usertools = ('author');
         %titles = &authorrequest_titles();
     } else {
-        @usertools = ('aboutme','blog','webdav','portfolio');
+        @usertools = ('aboutme','blog','portfolio','portaccess','timezone');
         %titles = &tool_titles();
     }
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
@@ -13565,8 +14269,6 @@ sub modify_quotas {
         } else {
             if ($key =~ /^form\.quota_(.+)$/) {
                 $confhash{'defaultquota'}{$1} = $env{$key};
-            } elsif ($key =~ /^form\.authorquota_(.+)$/) {
-                $confhash{'authorquota'}{$1} = $env{$key};
             } elsif ($key =~ /^form\.\Q$context\E_(.+)$/) {
                 @{$toolshash{$1}} = &Apache::loncommon::get_env_multiple($key);
             }
@@ -13860,7 +14562,6 @@ sub modify_quotas {
         }
     } else {
         $confhash{'defaultquota'}{'default'} = $env{'form.defaultquota'};
-        $confhash{'authorquota'}{'default'} = $env{'form.authorquota'};
     }
     foreach my $item (@usertools) {
         foreach my $type (@{$types},'default','_LC_adv') {
@@ -13949,15 +14650,10 @@ sub modify_quotas {
                 }
             }
             if (ref($domconfig{'quotas'}{'authorquota'}) eq 'HASH') {
-                foreach my $key (keys(%{$domconfig{'quotas'}{'authorquota'}})) {
-                    if (exists($confhash{'authorquota'}{$key})) {
-                        if ($confhash{'authorquota'}{$key} ne $domconfig{'quotas'}{'authorquota'}{$key}) {
-                            $changes{'authorquota'}{$key} = 1;
-                        }
-                    } else {
-                        $confhash{'authorquota'}{$key} = $domconfig{'quotas'}{'authorquota'}{$key};
-                    }
-                }
+                $confhash{'authorquota'} = $domconfig{'quotas'}{'authorquota'};
+            }
+            if (ref($domconfig{'quotas'}{'webdav'}) eq 'HASH') {
+                $confhash{'webdav'} = $domconfig{'quotas'}{'webdav'};
             }
         }
         if (ref($confhash{'defaultquota'}) eq 'HASH') {
@@ -13977,21 +14673,6 @@ sub modify_quotas {
                 }
             }
         }
-        if (ref($confhash{'authorquota'}) eq 'HASH') {
-            foreach my $key (keys(%{$confhash{'authorquota'}})) {
-                if (ref($domconfig{'quotas'}) eq 'HASH') {
-                    if (ref($domconfig{'quotas'}{'authorquota'}) eq 'HASH') {
-                        if (!exists($domconfig{'quotas'}{'authorquota'}{$key})) {
-                            $changes{'authorquota'}{$key} = 1;
-                        }
-                    } else {
-                        $changes{'authorquota'}{$key} = 1;
-                    }
-                } else {
-                    $changes{'authorquota'}{$key} = 1;
-                }
-            }
-        }
     }
 
     if ($context eq 'requestauthor') {
@@ -14032,19 +14713,6 @@ sub modify_quotas {
                     }
                     $resulttext .= '</ul></li>';
                 }
-                if (ref($changes{'authorquota'}) eq 'HASH') {
-                    $resulttext .= '<li>'.&mt('Authoring Space default quotas').'<ul>';
-                    foreach my $type (@{$types},'default') {
-                        if (defined($changes{'authorquota'}{$type})) {
-                            my $typetitle = $usertypes->{$type};
-                            if ($type eq 'default') {
-                                $typetitle = $othertitle;
-                            }
-                            $resulttext .= '<li>'.&mt('[_1] set to [_2] MB',$typetitle,$confhash{'authorquota'}{$type}).'</li>';
-                        }
-                    }
-                    $resulttext .= '</ul></li>';
-                }
             }
             my %newenv;
             foreach my $item (@usertools) {
@@ -14196,6 +14864,7 @@ sub modify_quotas {
                             $resulttext .= '<li>'.&mt('Validated course requests identified as processed by: [_1]',
                                                      '<b>'.$changes{'validation'}{'dc'}.'</b>').'</li>';
                         }
+                        $resulttext .= '</ul></li>';
                     }
                 }
             }
@@ -14233,11 +14902,14 @@ sub process_textbook_image {
             $error = &mt('Upload of textbook image is not permitted to this server: [_1]',
                          $switchserver);
         } elsif ($author_ok eq 'ok') {
+            my $modified = [];
             my ($result,$imageurl) =
-                &publishlogo($r,'upload',$caller,$dom,$confname,
-                             "$type/$cdom/$cnum/cover",$width,$height);
+                &Apache::lonconfigsettings::publishlogo($r,'upload',$caller,$dom,$confname,
+                                                        "$type/$cdom/$cnum/cover",$width,$height,
+                                                        '',$modified);
             if ($result eq 'ok') {
                 $url = $imageurl;
+                &update_modify_urls($r,$modified);
             } else {
                 $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$filename,$result);
             }
@@ -14252,656 +14924,382 @@ sub process_textbook_image {
 
 sub modify_ltitools {
     my ($r,$dom,$action,$lastactref,%domconfig) = @_;
-    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-    my ($newid,@allpos,%changes,%confhash,%encconfig,$errors,$resulttext);
+    my (%currtoolsec,%secchanges,%newtoolsec,%newkeyset);
+    &fetch_secrets($dom,'toolsec',\%domconfig,\%currtoolsec,\%secchanges,\%newtoolsec,\%newkeyset);
+
     my $confname = $dom.'-domainconfig';
     my $servadm = $r->dir_config('lonAdmEMail');
     my ($configuserok,$author_ok,$switchserver) = &config_check($dom,$confname,$servadm);
-    my (%posslti,%possfield);
-    my @courseroles = ('cc','in','ta','ep','st');
-    my @ltiroles = qw(Instructor ContentDeveloper TeachingAssistant Learner);
-    map { $posslti{$_} = 1; } @ltiroles;
-    my @allfields = ('fullname','firstname','lastname','email','user','roles');
-    map { $possfield{$_} = 1; } @allfields;
-    my %lt = &ltitools_names(); 
-    if ($env{'form.ltitools_add'}) {
-        my $title = $env{'form.ltitools_add_title'};
-        $title =~ s/(`)/'/g;
-        ($newid,my $error) = &get_ltitools_id($dom,$title);
-        if ($newid) {
-            my $position = $env{'form.ltitools_add_pos'};
-            $position =~ s/\D+//g;
-            if ($position ne '') {
-                $allpos[$position] = $newid;
-            }
-            $changes{$newid} = 1;
-            foreach my $item ('title','url','key','secret','lifetime') {
-                $env{'form.ltitools_add_'.$item} =~ s/(`)/'/g;
-                if ($item eq 'lifetime') {
-                    $env{'form.ltitools_add_'.$item} =~ s/[^\d.]//g;
-                }
-                if ($env{'form.ltitools_add_'.$item}) {
-                    if (($item eq 'key') || ($item eq 'secret')) {
-                        $encconfig{$newid}{$item} = $env{'form.ltitools_add_'.$item};
-                    } else {
-                        $confhash{$newid}{$item} = $env{'form.ltitools_add_'.$item};
-                    }
-                }
-            }
-            if ($env{'form.ltitools_add_version'} eq 'LTI-1p0') {
-                $confhash{$newid}{'version'} = $env{'form.ltitools_add_version'};
-            }
-            if ($env{'form.ltitools_add_msgtype'} eq 'basic-lti-launch-request') {
-                $confhash{$newid}{'msgtype'} = $env{'form.ltitools_add_msgtype'};
-            }
-            if ($env{'form.ltitools_add_sigmethod'} eq 'HMAC-SHA256') {
-                $confhash{$newid}{'sigmethod'} = $env{'form.ltitools_add_sigmethod'};
-            } else {
-                $confhash{$newid}{'sigmethod'} = 'HMAC-SHA1';
-            }
-            foreach my $item ('width','height','linktext','explanation') {
-                $env{'form.ltitools_add_'.$item} =~ s/^\s+//;
-                $env{'form.ltitools_add_'.$item} =~ s/\s+$//;
-                if (($item eq 'width') || ($item eq 'height')) {
-                    if ($env{'form.ltitools_add_'.$item} =~ /^\d+$/) {
-                        $confhash{$newid}{'display'}{$item} = $env{'form.ltitools_add_'.$item};
-                    }
-                } else {
-                    if ($env{'form.ltitools_add_'.$item} ne '') {
-                        $confhash{$newid}{'display'}{$item} = $env{'form.ltitools_add_'.$item}; 
-                    }
-                }
-            }
-            if ($env{'form.ltitools_add_target'} eq 'window') {
-                $confhash{$newid}{'display'}{'target'} = $env{'form.ltitools_add_target'};
-            } elsif ($env{'form.ltitools_add_target'} eq 'tab') {
-                $confhash{$newid}{'display'}{'target'} = $env{'form.ltitools_add_target'};
-            } else {
-                $confhash{$newid}{'display'}{'target'} = 'iframe';
-            }
-            foreach my $item ('passback','roster') {
-                if ($env{'form.ltitools_'.$item.'_add'}) {
-                    $confhash{$newid}{$item} = 1;
-                    if ($env{'form.ltitools_'.$item.'valid_add'} ne '') {
-                        my $lifetime = $env{'form.ltitools_'.$item.'valid_add'};
-                        $lifetime =~ s/^\s+|\s+$//g;
-                        if ($lifetime =~ /^\d+\.?\d*$/) {
-                            $confhash{$newid}{$item.'valid'} = $lifetime;
-                        }
-                    }
-                }
-            }
-            if ($env{'form.ltitools_add_image.filename'} ne '') {
-                my ($imageurl,$error) =
-                    &process_ltitools_image($r,$dom,$confname,'ltitools_add_image',$newid,
-                                            $configuserok,$switchserver,$author_ok);
-                if ($imageurl) {
-                    $confhash{$newid}{'image'} = $imageurl;
-                }
-                if ($error) {
-                    &Apache::lonnet::logthis($error);
-                    $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-                }
-            }
-            my @fields = &Apache::loncommon::get_env_multiple('form.ltitools_add_fields');
-            foreach my $field (@fields) {
-                if ($possfield{$field}) {
-                    if ($field eq 'roles') {
-                        foreach my $role (@courseroles) {
-                            my $choice = $env{'form.ltitools_add_roles_'.$role};
-                            if (($choice ne '') && ($posslti{$choice})) {
-                                $confhash{$newid}{'roles'}{$role} = $choice;
-                                if ($role eq 'cc') {
-                                    $confhash{$newid}{'roles'}{'co'} = $choice; 
-                                }
-                            }
+
+    my ($resulttext,$ltitoolsoutput,$is_home,$errors,%ltitoolschg,%newtoolsenc,%newltitools);
+    my $toolserror =
+        &Apache::courseprefs::process_ltitools($r,$dom,$confname,$domconfig{'ltitools'},\%ltitoolschg,'domain',
+                                               $lastactref,$configuserok,$switchserver,$author_ok);
+
+    my $home = &Apache::lonnet::domain($dom,'primary');
+    unless (($home eq 'no_host') || ($home eq '')) {
+        my @ids=&Apache::lonnet::current_machine_ids();
+        foreach my $id (@ids) { if ($id eq $home) { $is_home=1; last; } }
+    }
+
+    if (keys(%ltitoolschg)) {
+        foreach my $id (keys(%ltitoolschg)) {
+            if (ref($ltitoolschg{$id}) eq 'HASH') {
+                foreach my $inner (keys(%{$ltitoolschg{$id}})) {
+                    if (($inner eq 'secret') || ($inner eq 'key')) {
+                        if ($is_home) {
+                            $newtoolsenc{$id}{$inner} = $ltitoolschg{$id}{$inner};
                         }
-                    } else {
-                        $confhash{$newid}{'fields'}{$field} = 1;
                     }
                 }
             }
-            if (ref($confhash{$newid}{'fields'}) eq 'HASH') {
-                if ($confhash{$newid}{'fields'}{'user'}) {
-                    if ($env{'form.ltitools_userincdom_add'}) {
-                        $confhash{$newid}{'incdom'} = 1;
-                    }
-                }
-            }
-            my @courseconfig = &Apache::loncommon::get_env_multiple('form.ltitools_courseconfig');
-            foreach my $item (@courseconfig) {
-                $confhash{$newid}{'crsconf'}{$item} = 1;
-            }
-            if ($env{'form.ltitools_add_custom'}) {
-                my $name = $env{'form.ltitools_add_custom_name'};
-                my $value = $env{'form.ltitools_add_custom_value'};
-                $value =~ s/(`)/'/g;
-                $name =~ s/(`)/'/g;
-                $confhash{$newid}{'custom'}{$name} = $value;
-            }
-        } else {
-            my $error = &mt('Failed to acquire unique ID for new external tool');   
-            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-        }
-    }
-    if (ref($domconfig{$action}) eq 'HASH') {
-        my %deletions;
-        my @todelete = &Apache::loncommon::get_env_multiple('form.ltitools_del');
-        if (@todelete) {
-            map { $deletions{$_} = 1; } @todelete;
         }
-        my %customadds;
-        my @newcustom = &Apache::loncommon::get_env_multiple('form.ltitools_customadd');
-        if (@newcustom) {
-            map { $customadds{$_} = 1; } @newcustom;
-        } 
-        my %imgdeletions;
-        my @todeleteimages = &Apache::loncommon::get_env_multiple('form.ltitools_image_del');
-        if (@todeleteimages) {
-            map { $imgdeletions{$_} = 1; } @todeleteimages;
+        $ltitoolsoutput = &Apache::courseprefs::store_ltitools($dom,'','domain',\%ltitoolschg,$domconfig{'ltitools'});
+        if (keys(%ltitoolschg)) {
+            %newltitools = %ltitoolschg;
         }
-        my $maxnum = $env{'form.ltitools_maxnum'};
-        for (my $i=0; $i<=$maxnum; $i++) {
-            my $itemid = $env{'form.ltitools_id_'.$i};
-            $itemid =~ s/\D+//g;
-            if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
-                if ($deletions{$itemid}) {
-                    if ($domconfig{$action}{$itemid}{'image'}) {
-                        #FIXME need to obsolete item in RES space
-                    }
-                    $changes{$itemid} = $domconfig{$action}{$itemid}{'title'};
-                    next;
-                } else {
-                    my $newpos = $env{'form.ltitools_'.$itemid};
-                    $newpos =~ s/\D+//g;
-                    foreach my $item ('title','url','lifetime') {
-                        $confhash{$itemid}{$item} = $env{'form.ltitools_'.$item.'_'.$i};
-                        if ($domconfig{$action}{$itemid}{$item} ne $confhash{$itemid}{$item}) {
-                            $changes{$itemid} = 1;
-                        }
-                    }
-                    foreach my $item ('key','secret') {
-                        $encconfig{$itemid}{$item} = $env{'form.ltitools_'.$item.'_'.$i};
-                        if ($domconfig{$action}{$itemid}{$item} ne $encconfig{$itemid}{$item}) {
-                            $changes{$itemid} = 1;
-                        }
-                    }
-                    if ($env{'form.ltitools_version_'.$i} eq 'LTI-1p0') {
-                        $confhash{$itemid}{'version'} = $env{'form.ltitools_version_'.$i};
-                    }
-                    if ($env{'form.ltitools_msgtype_'.$i} eq 'basic-lti-launch-request') {
-                        $confhash{$itemid}{'msgtype'} = $env{'form.ltitools_msgtype_'.$i};
-                    }
-                    if ($env{'form.ltitools_sigmethod_'.$i} eq 'HMAC-SHA256') {
-                        $confhash{$itemid}{'sigmethod'} = $env{'form.ltitools_sigmethod_'.$i};
-                    } else {
-                        $confhash{$itemid}{'sigmethod'} = 'HMAC-SHA1'; 
-                    }
-                    if ($domconfig{$action}{$itemid}{'sigmethod'} eq '') {
-                        if ($confhash{$itemid}{'sigmethod'} ne 'HMAC-SHA1') {
-                            $changes{$itemid} = 1;
-                        }
-                    } elsif ($domconfig{$action}{$itemid}{'sigmethod'} ne $confhash{$itemid}{'sigmethod'}) {
-                        $changes{$itemid} = 1;
-                    }
-                    foreach my $size ('width','height') {
-                        $env{'form.ltitools_'.$size.'_'.$i} =~ s/^\s+//;
-                        $env{'form.ltitools_'.$size.'_'.$i} =~ s/\s+$//;
-                        if ($env{'form.ltitools_'.$size.'_'.$i} =~ /^\d+$/) {
-                            $confhash{$itemid}{'display'}{$size} = $env{'form.ltitools_'.$size.'_'.$i};
-                            if (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
-                                if ($domconfig{$action}{$itemid}{'display'}{$size} ne $confhash{$itemid}{'display'}{$size}) {
-                                    $changes{$itemid} = 1;
-                                }
-                            } else {
-                                $changes{$itemid} = 1;
-                            }
-                        } elsif (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
-                            if ($domconfig{$action}{$itemid}{'display'}{$size} ne '') {
-                                $changes{$itemid} = 1;
-                            }
-                        }
-                    }
-                    foreach my $item ('linktext','explanation') {
-                        $env{'form.ltitools_'.$item.'_'.$i} =~ s/^\s+//;
-                        $env{'form.ltitools_'.$item.'_'.$i} =~ s/\s+$//;
-                        if ($env{'form.ltitools_'.$item.'_'.$i} ne '') {
-                            $confhash{$itemid}{'display'}{$item} = $env{'form.ltitools_'.$item.'_'.$i};
-                            if (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
-                                if ($domconfig{$action}{$itemid}{'display'}{$item} ne $confhash{$itemid}{'display'}{$item}) {
-                                    $changes{$itemid} = 1;
-                                }
-                            } else {
-                                $changes{$itemid} = 1;
-                            }
-                        } elsif (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
-                            if ($domconfig{$action}{$itemid}{'display'}{$item} ne '') {
-                                $changes{$itemid} = 1;
-                            }
-                        }
-                    }
-                    if ($env{'form.ltitools_target_'.$i} eq 'window') {
-                        $confhash{$itemid}{'display'}{'target'} = $env{'form.ltitools_target_'.$i};
-                    } elsif ($env{'form.ltitools_target_'.$i} eq 'tab') {
-                        $confhash{$itemid}{'display'}{'target'} = $env{'form.ltitools_target_'.$i};
-                    } else {
-                        $confhash{$itemid}{'display'}{'target'} = 'iframe';
-                    }
-                    if (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
-                        if ($domconfig{$action}{$itemid}{'display'}{'target'} ne $confhash{$itemid}{'display'}{'target'}) {
-                            $changes{$itemid} = 1;
-                        }
-                    } else {
-                        $changes{$itemid} = 1;
-                    }
-                    foreach my $extra ('passback','roster') {
-                        if ($env{'form.ltitools_'.$extra.'_'.$i}) {
-                            $confhash{$itemid}{$extra} = 1;
-                            if ($env{'form.ltitools_'.$extra.'valid_'.$i} ne '') {
-                                my $lifetime = $env{'form.ltitools_'.$extra.'valid_'.$i};
-                                $lifetime =~ s/^\s+|\s+$//g;
-                                if ($lifetime =~ /^\d+\.?\d*$/) {
-                                    $confhash{$itemid}{$extra.'valid'} = $lifetime;
-                                }
-                            }
-                        }
-                        if ($domconfig{$action}{$itemid}{$extra} ne $confhash{$itemid}{$extra}) {
-                            $changes{$itemid} = 1;
-                        }
-                        if ($domconfig{$action}{$itemid}{$extra.'valid'} ne $confhash{$itemid}{$extra.'valid'}) {
-                            $changes{$itemid} = 1;
-                        }
-                    }
-                    my @courseconfig = &Apache::loncommon::get_env_multiple('form.ltitools_courseconfig_'.$i);
-                    foreach my $item ('label','title','target','linktext','explanation','append') {
-                        if (grep(/^\Q$item\E$/,@courseconfig)) {
-                            $confhash{$itemid}{'crsconf'}{$item} = 1;
-                            if (ref($domconfig{$action}{$itemid}{'crsconf'}) eq 'HASH') {
-                                if ($domconfig{$action}{$itemid}{'crsconf'}{$item} ne $confhash{$itemid}{'crsconf'}{$item}) {
-                                    $changes{$itemid} = 1;
-                                }
-                            } else {
-                                $changes{$itemid} = 1;
-                            }
-                        }
-                    }
-                    my @fields = &Apache::loncommon::get_env_multiple('form.ltitools_fields_'.$i);
-                    foreach my $field (@fields) {
-                        if ($possfield{$field}) {
-                            if ($field eq 'roles') {
-                                foreach my $role (@courseroles) {
-                                    my $choice = $env{'form.ltitools_roles_'.$role.'_'.$i};
-                                    if (($choice ne '') && ($posslti{$choice})) {
-                                        $confhash{$itemid}{'roles'}{$role} = $choice;
-                                        if ($role eq 'cc') {
-                                            $confhash{$itemid}{'roles'}{'co'} = $choice;
-                                        }
-                                    }
-                                    if (ref($domconfig{$action}{$itemid}{'roles'}) eq 'HASH') {
-                                        if ($domconfig{$action}{$itemid}{'roles'}{$role} ne $confhash{$itemid}{'roles'}{$role}) {
-                                            $changes{$itemid} = 1;
-                                        }
-                                    } elsif ($confhash{$itemid}{'roles'}{$role}) {
-                                        $changes{$itemid} = 1;
-                                    }
-                                }
-                            } else {
-                                $confhash{$itemid}{'fields'}{$field} = 1;
-                                if (ref($domconfig{$action}{$itemid}{'fields'}) eq 'HASH') {
-                                    if ($domconfig{$action}{$itemid}{'fields'}{$field} ne $confhash{$itemid}{'fields'}{$field}) {
-                                        $changes{$itemid} = 1;
-                                    }
-                                } else {
-                                    $changes{$itemid} = 1;
-                                }
-                            }
-                        }
-                    }
-                    if (ref($confhash{$itemid}{'fields'}) eq 'HASH') {
-                        if ($confhash{$itemid}{'fields'}{'user'}) {
-                            if ($env{'form.ltitools_userincdom_'.$i}) {
-                                $confhash{$itemid}{'incdom'} = 1;
-                            }
-                            if ($domconfig{$action}{$itemid}{'incdom'} ne $confhash{$itemid}{'incdom'}) {
-                                $changes{$itemid} = 1;
-                            }
-                        }
-                    }
-                    $allpos[$newpos] = $itemid;
-                }
-                if ($imgdeletions{$itemid}) {
-                    $changes{$itemid} = 1;
-                    #FIXME need to obsolete item in RES space
-                } elsif ($env{'form.ltitools_image_'.$i.'.filename'}) {
-                    my ($imgurl,$error) = &process_ltitools_image($r,$dom,$confname,'ltitools_image_'.$i,
-                                                                 $itemid,$configuserok,$switchserver,
-                                                                 $author_ok);
-                    if ($imgurl) {
-                        $confhash{$itemid}{'image'} = $imgurl;
-                        $changes{$itemid} = 1;
-                    }
-                    if ($error) {
-                        &Apache::lonnet::logthis($error);
-                        $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-                    }
-                } elsif ($domconfig{$action}{$itemid}{'image'}) {
-                    $confhash{$itemid}{'image'} =
-                       $domconfig{$action}{$itemid}{'image'};
-                }
-                if ($customadds{$i}) {
-                    my $name = $env{'form.ltitools_custom_name_'.$i};
-                    $name =~ s/(`)/'/g;
-                    $name =~ s/^\s+//;
-                    $name =~ s/\s+$//;
-                    my $value = $env{'form.ltitools_custom_value_'.$i};
-                    $value =~ s/(`)/'/g;
-                    $value =~ s/^\s+//;
-                    $value =~ s/\s+$//;
-                    if ($name ne '') {
-                        $confhash{$itemid}{'custom'}{$name} = $value;
-                        $changes{$itemid} = 1;
-                    }
-                }
-                my %customdels;
-                my @customdeletions = &Apache::loncommon::get_env_multiple('form.ltitools_customdel_'.$i); 
-                if (@customdeletions) {
-                    $changes{$itemid} = 1;
-                }
-                map { $customdels{$_} = 1; } @customdeletions;
-                if (ref($domconfig{$action}{$itemid}{'custom'}) eq 'HASH') {
-                    foreach my $key (keys(%{$domconfig{$action}{$itemid}{'custom'}})) {
-                        unless ($customdels{$key}) {
-                            if ($env{'form.ltitools_customval_'.$key.'_'.$i} ne '') {
-                                $confhash{$itemid}{'custom'}{$key} = $env{'form.ltitools_customval_'.$key.'_'.$i}; 
-                            }
-                            if ($domconfig{$action}{$itemid}{'custom'}{$key} ne $env{'form.ltitools_customval_'.$key.'_'.$i}) {
-                                $changes{$itemid} = 1;
-                            }
-                        }
-                    }
-                }
-                unless ($changes{$itemid}) {
-                    foreach my $key (keys(%{$domconfig{$action}{$itemid}})) {
-                        if (ref($domconfig{$action}{$itemid}{$key}) eq 'HASH') {
-                            if (ref($confhash{$itemid}{$key}) eq 'HASH') {
-                                foreach my $innerkey (keys(%{$domconfig{$action}{$itemid}{$key}})) {
-                                    unless (exists($confhash{$itemid}{$key}{$innerkey})) {
-                                        $changes{$itemid} = 1;
-                                        last;
-                                    }
-                                }
-                            } elsif (keys(%{$domconfig{$action}{$itemid}{$key}}) > 0) {
-                                $changes{$itemid} = 1;
+    }
+    if (ref($domconfig{'ltitools'}) eq 'HASH') {
+        foreach my $id (%{$domconfig{'ltitools'}}) {
+            next if ($id !~ /^\d+$/);
+            unless (exists($ltitoolschg{$id})) {
+                if (ref($domconfig{'ltitools'}{$id}) eq 'HASH') {
+                    foreach my $inner (keys(%{$domconfig{'ltitools'}{$id}})) {
+                        if (($inner eq 'secret') || ($inner eq 'key')) {
+                            if ($is_home) {
+                                $newtoolsenc{$id}{$inner} = $domconfig{'ltitools'}{$id}{$inner};
                             }
+                        } else {
+                            $newltitools{$id}{$inner} = $domconfig{'ltitools'}{$id}{$inner};
                         }
-                        last if ($changes{$itemid});
                     }
+                } else {
+                    $newltitools{$id} = $domconfig{'ltitools'}{$id};
                 }
             }
         }
     }
-    if (@allpos > 0) {
-        my $idx = 0;
-        foreach my $itemid (@allpos) {
-            if ($itemid ne '') {
-                $confhash{$itemid}{'order'} = $idx;
-                if (ref($domconfig{$action}) eq 'HASH') {
-                    if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
-                        if ($domconfig{$action}{$itemid}{'order'} ne $idx) {
-                            $changes{$itemid} = 1;
-                        }
-                    }
-                }
-                $idx ++;
-            }
+    if ($toolserror) {
+        $errors = '<li>'.$toolserror.'</li>';
+    }
+    if ((keys(%ltitoolschg) == 0) && (keys(%secchanges) == 0)) {
+        $resulttext = &mt('No changes made.');
+        if ($errors) {
+            $resulttext .= '<br />'.&mt('The following errors occurred: ').'<ul>'.
+                                 $errors.'</ul>';
         }
+        return $resulttext;
     }
     my %ltitoolshash = (
-                          $action => { %confhash }
+                          $action => { %newltitools }
                        );
-    my $putresult = &Apache::lonnet::put_dom('configuration',\%ltitoolshash,
-                                             $dom);
+    if (keys(%secchanges)) {
+        $ltitoolshash{'toolsec'} = \%newtoolsec;
+    }
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%ltitoolshash,$dom);
     if ($putresult eq 'ok') {
-        my %ltienchash = (
-                             $action => { %encconfig }
-                         );
-        &Apache::lonnet::put_dom('encconfig',\%ltienchash,$dom,undef,1);
-        if (keys(%changes) > 0) {
+        my %keystore;
+        if ($is_home) {
+            my %toolsenchash = (
+                                   $action => { %newtoolsenc }
+                               );
+            &Apache::lonnet::put_dom('encconfig',\%toolsenchash,$dom,undef,1);
             my $cachetime = 24*60*60;
-            my %ltiall = %confhash;
-            foreach my $id (keys(%ltiall)) {
-                if (ref($encconfig{$id}) eq 'HASH') {
-                    foreach my $item ('key','secret') {
-                        $ltiall{$id}{$item} = $encconfig{$id}{$item};
+            &Apache::lonnet::do_cache_new('ltitoolsenc',$dom,\%newtoolsenc,$cachetime);
+            &store_security($dom,'ltitools',\%secchanges,\%newkeyset,\%keystore,$lastactref);
+        }
+        $resulttext = &mt('Changes made:').'<ul>';
+        if (keys(%secchanges) > 0) {
+            $resulttext .= &lti_security_results($dom,'ltitools',\%secchanges,\%newtoolsec,\%newkeyset,\%keystore);
+        }
+        if (keys(%ltitoolschg) > 0) {
+            $resulttext .= $ltitoolsoutput;
+        }
+        my $cachetime = 24*60*60;
+        &Apache::lonnet::do_cache_new('ltitools',$dom,\%newltitools,$cachetime);
+        if (ref($lastactref) eq 'HASH') {
+            $lastactref->{'ltitools'} = 1;
+        }
+    } else {
+        $errors .= '<li><span class="LC_error">'.&mt('Failed to save changes').'</span></li>';
+    }
+    if ($errors) {
+        $resulttext .= '<p>'.&mt('The following errors occurred: ').'<ul>'.
+                       $errors.'</ul></p>';
+    }
+    return $resulttext;
+}
+
+sub fetch_secrets {
+    my ($dom,$context,$domconfig,$currsec,$secchanges,$newsec,$newkeyset) = @_;
+    my %keyset;
+    %{$currsec} = ();
+    $newsec->{'private'}{'keys'} = [];
+    $newsec->{'encrypt'} = {};
+    $newsec->{'rules'} = {};
+    if ($context eq 'ltisec') {
+        $newsec->{'linkprot'} = {};
+    }
+    if (ref($domconfig->{$context}) eq 'HASH') {
+        %{$currsec} = %{$domconfig->{$context}};
+        if ($context eq 'ltisec') {
+            if (ref($currsec->{'linkprot'}) eq 'HASH') {
+                foreach my $id (keys(%{$currsec->{'linkprot'}})) {
+                    unless ($id =~ /^\d+$/) {
+                        delete($currsec->{'linkprot'}{$id});
                     }
                 }
             }
-            &Apache::lonnet::do_cache_new('ltitools',$dom,\%ltiall,$cachetime);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'ltitools'} = 1;
+        }
+        if (ref($currsec->{'private'}) eq 'HASH') {
+            if (ref($currsec->{'private'}{'keys'}) eq 'ARRAY') {
+                $newsec->{'private'}{'keys'} = $currsec->{'private'}{'keys'};
+                map { $keyset{$_} = 1; } @{$currsec->{'private'}{'keys'}};
             }
-            $resulttext = &mt('Changes made:').'<ul>';
-            my %bynum;
-            foreach my $itemid (sort(keys(%changes))) {
-                my $position = $confhash{$itemid}{'order'};
-                $bynum{$position} = $itemid;
+        }
+    }
+    my @items= ('crs','dom');
+    if ($context eq 'ltisec') {
+        push(@items,'consumers');
+    }
+    foreach my $item (@items) {
+        my $formelement;
+        if (($context eq 'toolsec') || ($item eq 'consumers')) {
+            $formelement = 'form.'.$context.'_'.$item;
+        } else {
+            $formelement = 'form.'.$context.'_'.$item.'linkprot';
+        }
+        if ($env{$formelement}) {
+            $newsec->{'encrypt'}{$item} = 1;
+            if (ref($currsec->{'encrypt'}) eq 'HASH') {
+                unless ($currsec->{'encrypt'}{$item}) {
+                    $secchanges->{'encrypt'} = 1;
+                }
+            } else {
+                $secchanges->{'encrypt'} = 1;
             }
-            foreach my $pos (sort { $a <=> $b } keys(%bynum)) {
-                my $itemid = $bynum{$pos}; 
-                if (ref($confhash{$itemid}) ne 'HASH') {
-                    $resulttext .= '<li>'.&mt('Deleted: [_1]',$changes{$itemid}).'</li>';
-                } else {
-                    $resulttext .= '<li><b>'.$confhash{$itemid}{'title'}.'</b>';
-                    if ($confhash{$itemid}{'image'}) {
-                        $resulttext .= '&nbsp;'.
-                                       '<img src="'.$confhash{$itemid}{'image'}.'"'.
-                                       ' alt="'.&mt('Tool Provider icon').'" />';
-                    }
-                    $resulttext .= '</li><ul>';
-                    my $position = $pos + 1;
-                    $resulttext .= '<li>'.&mt('Order: [_1]',$position).'</li>';
-                    foreach my $item ('version','msgtype','sigmethod','url','lifetime') {
-                        if ($confhash{$itemid}{$item} ne '') {
-                            $resulttext .= '<li>'.$lt{$item}.':&nbsp;'.$confhash{$itemid}{$item}.'</li>';
-                        }
-                    }
-                    if ($encconfig{$itemid}{'key'} ne '') {
-                        $resulttext .= '<li>'.$lt{'key'}.':&nbsp;'.$encconfig{$itemid}{'key'}.'</li>';
-                    }
-                    if ($encconfig{$itemid}{'secret'} ne '') {
-                        $resulttext .= '<li>'.$lt{'secret'}.':&nbsp;';
-                        my $num = length($encconfig{$itemid}{'secret'});
-                        $resulttext .= ('*'x$num).'</li>';
-                    }
-                    $resulttext .= '<li>'.&mt('Configurable in course:');
-                    my @possconfig = ('label','title','target','linktext','explanation','append');
-                    my $numconfig = 0; 
-                    if (ref($confhash{$itemid}{'crsconf'}) eq 'HASH') { 
-                        foreach my $item (@possconfig) {
-                            if ($confhash{$itemid}{'crsconf'}{$item}) {
-                                $numconfig ++;
-                                $resulttext .= ' "'.$lt{'crs'.$item}.'"';
-                            }
-                        }
-                    }
-                    if (!$numconfig) {
-                        $resulttext .= '&nbsp;'.&mt('None');
-                    }
-                    $resulttext .= '</li>';
-                    foreach my $item ('passback','roster') {
-                        $resulttext .= '<li>'.$lt{$item}.'&nbsp;';
-                        if ($confhash{$itemid}{$item}) {
-                            $resulttext .= &mt('Yes');
-                            if ($confhash{$itemid}{$item.'valid'}) {
-                                if ($item eq 'passback') {
-                                    $resulttext .= ' '.&mt('valid for at least [quant,_1,day] after launch',
-                                                           $confhash{$itemid}{$item.'valid'});
-                                } else {
-                                    $resulttext .= ' '.&mt('valid for at least [quant,_1,second] after launch',
-                                                           $confhash{$itemid}{$item.'valid'});
-                                }
-                            }
-                        } else {
-                            $resulttext .= &mt('No');
-                        }
-                        $resulttext .= '</li>';
-                    }
-                    if (ref($confhash{$itemid}{'display'}) eq 'HASH') {
-                        my $displaylist;
-                        if ($confhash{$itemid}{'display'}{'target'}) {
-                            $displaylist = &mt('Display target').':&nbsp;'.
-                                           $confhash{$itemid}{'display'}{'target'}.',';
-                        }
-                        foreach my $size ('width','height') { 
-                            if ($confhash{$itemid}{'display'}{$size}) {
-                                $displaylist .= ('&nbsp;'x2).$lt{$size}.':&nbsp;'.
-                                                $confhash{$itemid}{'display'}{$size}.',';
-                            }
-                        }
-                        if ($displaylist) {
-                            $displaylist =~ s/,$//;
-                            $resulttext .= '<li>'.$displaylist.'</li>';
-                        }
-                        foreach my $item ('linktext','explanation') {
-                            if ($confhash{$itemid}{'display'}{$item}) {
-                                $resulttext .= '<li>'.$lt{$item}.':&nbsp;'.$confhash{$itemid}{'display'}{$item}.'</li>';
-                            }
-                        }
-                    }
-                    if (ref($confhash{$itemid}{'fields'}) eq 'HASH') {
-                        my $fieldlist;
-                        foreach my $field (@allfields) {
-                            if ($confhash{$itemid}{'fields'}{$field}) {
-                                $fieldlist .= ('&nbsp;'x2).$lt{$field}.',';
-                            }
-                        }
-                        if ($fieldlist) {
-                            $fieldlist =~ s/,$//;
-                            if ($confhash{$itemid}{'fields'}{'user'}) {
-                                if ($confhash{$itemid}{'incdom'}) {
-                                    $fieldlist .= ' ('.&mt('username:domain').')';
-                                } else {
-                                    $fieldlist .= ' ('.&mt('username').')';
-                                }
-                            }
-                            $resulttext .= '<li>'.&mt('Data sent').':'.$fieldlist.'</li>';
+        } elsif (ref($currsec->{'encrypt'}) eq 'HASH') {
+            if ($currsec->{'encrypt'}{$item}) {
+                $secchanges->{'encrypt'} = 1;
+            }
+        }
+    }
+    my $secrets;
+    if ($context eq 'ltisec') {
+        $secrets = 'ltisecrets';
+    } else {
+        $secrets = 'toolsecrets';
+    }
+    unless (exists($currsec->{'rules'})) {
+        $currsec->{'rules'} = {};
+    }
+    &password_rule_changes($secrets,$newsec->{'rules'},$currsec->{'rules'},$secchanges);
+
+    my @ids=&Apache::lonnet::current_machine_ids();
+    my %servers = &Apache::lonnet::get_servers($dom,'library');
+
+    foreach my $hostid (keys(%servers)) {
+        if (($hostid ne '') && (grep(/^\Q$hostid\E$/,@ids))) {
+            my $keyitem = 'form.'.$context.'_privkey_'.$hostid;
+            if (exists($env{$keyitem})) {
+                $env{$keyitem} =~ s/(`)/'/g;
+                if ($keyset{$hostid}) {
+                    if ($env{'form.'.$context.'_changeprivkey_'.$hostid}) {
+                        if ($env{$keyitem} ne '') {
+                            $secchanges->{'private'} = 1;
+                            $newkeyset->{$hostid} = $env{$keyitem};
                         }
                     }
-                    if (ref($confhash{$itemid}{'roles'}) eq 'HASH') {
-                        my $rolemaps;
-                        foreach my $role (@courseroles) {
-                            if ($confhash{$itemid}{'roles'}{$role}) {
-                                $rolemaps .= ('&nbsp;'x2).&Apache::lonnet::plaintext($role,'Course').'='.
-                                             $confhash{$itemid}{'roles'}{$role}.',';
-                            }
-                        }
-                        if ($rolemaps) {
-                            $rolemaps =~ s/,$//; 
-                            $resulttext .= '<li>'.&mt('Role mapping:').$rolemaps.'</li>';
-                        }
+                } elsif ($env{$keyitem} ne '') {
+                    unless (grep(/^\Q$hostid\E$/,@{$newsec->{'private'}{'keys'}})) {
+                        push(@{$newsec->{'private'}{'keys'}},$hostid);
                     }
-                    if (ref($confhash{$itemid}{'custom'}) eq 'HASH') {
-                        my $customlist;
-                        if (keys(%{$confhash{$itemid}{'custom'}})) {
-                            foreach my $key (sort(keys(%{$confhash{$itemid}{'custom'}}))) {
-                                $customlist .= $key.':'.$confhash{$itemid}{'custom'}{$key}.('&nbsp;'x2);
-                            } 
-                        }
-                        if ($customlist) {
-                            $resulttext .= '<li>'.&mt('Custom items').': '.$customlist.'</li>';
-                        }
-                    } 
-                    $resulttext .= '</ul></li>';
+                    $secchanges->{'private'} = 1;
+                    $newkeyset->{$hostid} = $env{$keyitem};
                 }
             }
-            $resulttext .= '</ul>';
-        } else {
-            $resulttext = &mt('No changes made.');
         }
-    } else {
-        $errors .= '<li><span class="LC_error">'.&mt('Failed to save changes').'</span></li>';
-    }
-    if ($errors) {
-        $resulttext .= &mt('The following errors occurred: ').'<ul>'.
-                       $errors.'</ul>';
     }
-    return $resulttext;
 }
 
-sub process_ltitools_image {
-    my ($r,$dom,$confname,$caller,$itemid,$configuserok,$switchserver,$author_ok) = @_;
-    my $filename = $env{'form.'.$caller.'.filename'};
-    my ($error,$url);
-    my ($width,$height) = (21,21);
-    if ($configuserok eq 'ok') {
-        if ($switchserver) {
-            $error = &mt('Upload of Tool Provider (LTI) icon is not permitted to this server: [_1]',
-                         $switchserver);
-        } elsif ($author_ok eq 'ok') {
-            my ($result,$imageurl,$madethumb) =
-                &publishlogo($r,'upload',$caller,$dom,$confname,
-                             "ltitools/$itemid/icon",$width,$height);
-            if ($result eq 'ok') {
-                if ($madethumb) {
-                    my ($path,$imagefile) = ($imageurl =~ m{^(.+)/([^/]+)$});
-                    my $imagethumb = "$path/tn-".$imagefile;
-                    $url = $imagethumb;
-                } else {
-                    $url = $imageurl;
-                }
-            } else {
-                $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$filename,$result);
+sub store_security {
+    my ($dom,$context,$secchanges,$newkeyset,$keystore) = @_;
+    return unless ((ref($secchanges) eq 'HASH') && (ref($newkeyset) eq 'HASH') &&
+                   (ref($keystore) eq 'HASH'));
+    if (keys(%{$secchanges})) {
+        if ($secchanges->{'private'}) {
+            my $who = &escape($env{'user.name'}.':'.$env{'user.domain'});
+            foreach my $hostid (keys(%{$newkeyset})) {
+                my $storehash = {
+                                   key => $newkeyset->{$hostid},
+                                   who => $env{'user.name'}.':'.$env{'user.domain'},
+                                };
+                $keystore->{$hostid} = &Apache::lonnet::store_dom($storehash,$context,'private',
+                                                                  $dom,$hostid);
             }
-        } else {
-            $error = &mt("Upload of [_1] failed because an author role could not be assigned to a Domain Configuration user ([_2]) in domain: [_3].  Error was: [_4].",$filename,$confname,$dom,$author_ok);
         }
-    } else {
-        $error = &mt("Upload of [_1] failed because a Domain Configuration user ([_2]) could not be created in domain: [_3].  Error was: [_4].",$filename,$confname,$dom,$configuserok);
     }
-    return ($url,$error);
 }
 
-sub get_ltitools_id {
-    my ($cdom,$title) = @_;
-    # get lock on ltitools db
-    my $lockhash = {
-                      lock => $env{'user.name'}.
-                              ':'.$env{'user.domain'},
-                   };
-    my $tries = 0;
-    my $gotlock = &Apache::lonnet::newput_dom('ltitools',$lockhash,$cdom);
-    my ($id,$error);
- 
-    while (($gotlock ne 'ok') && ($tries<10)) {
-        $tries ++;
-        sleep (0.1);
-        $gotlock = &Apache::lonnet::newput_dom('ltitools',$lockhash,$cdom);
-    }
-    if ($gotlock eq 'ok') {
-        my %currids = &Apache::lonnet::dump_dom('ltitools',$cdom);
-        if ($currids{'lock'}) {
-            delete($currids{'lock'});
-            if (keys(%currids)) {
-                my @curr = sort { $a <=> $b } keys(%currids);
-                if ($curr[-1] =~ /^\d+$/) {
-                    $id = 1 + $curr[-1];
-                }
+sub lti_security_results {
+    my ($dom,$context,$secchanges,$newsec,$newkeyset,$keystore) = @_;
+    my $output;
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
+    my $needs_update;
+    foreach my $item (keys(%{$secchanges})) {
+        if ($item eq 'encrypt') {
+            $needs_update = 1;
+            my %encrypted;
+            if ($context eq 'lti') {
+                %encrypted = (
+                              crs  => {
+                                        on => &mt('Encryption of stored link protection secrets defined in courses enabled'),
+                                        off => &mt('Encryption of stored link protection secrets defined in courses disabled'),
+                                      },
+                              dom => {
+                                       on => &mt('Encryption of stored link protection secrets defined in domain enabled'),
+                                       off => &mt('Encryption of stored link protection secrets defined in domain disabled'),
+                                     },
+                              consumers => {
+                                             on => &mt('Encryption of stored consumer secrets defined in domain enabled'),
+                                             off => &mt('Encryption of stored consumer secrets defined in domain disabled'),
+                                           },
+                             );
             } else {
-                $id = 1;
+                %encrypted = (
+                              crs  => {
+                                        on => &mt('Encryption of stored external tool secrets defined in courses enabled'),
+                                        off => &mt('Encryption of stored external tool secrets defined in courses disabled'),
+                                      },
+                              dom => {
+                                       on => &mt('Encryption of stored external tool secrets defined in domain enabled'),
+                                       off => &mt('Encryption of stored external tool secrets defined in domain disabled'),
+                                     },
+                             );
             }
-            if ($id) {
-                unless (&Apache::lonnet::newput_dom('ltitools',{ $id => $title },$cdom) eq 'ok') {
-                    $error = 'nostore';
+            my @types= ('crs','dom');
+            if ($context eq 'lti') {
+                foreach my $type (@types) {
+                    undef($domdefaults{'linkprotenc_'.$type});
+                }
+                push(@types,'consumers');
+                undef($domdefaults{'ltienc_consumers'});
+            } elsif ($context eq 'ltitools') {
+                foreach my $type (@types) {
+                    undef($domdefaults{'toolenc_'.$type});
+                }
+            }
+            foreach my $type (@types) {
+                my $shown = $encrypted{$type}{'off'};
+                if (ref($newsec->{$item}) eq 'HASH') {
+                    if ($newsec->{$item}{$type}) {
+                        if ($context eq 'lti') {
+                            if ($type eq 'consumers') {
+                                $domdefaults{'ltienc_consumers'} = 1;
+                            } else {
+                                $domdefaults{'linkprotenc_'.$type} = 1;
+                            }
+                        } elsif ($context eq 'ltitools') {
+                            $domdefaults{'toolenc_'.$type} = 1;
+                        }
+                        $shown = $encrypted{$type}{'on'};
+                    }
+                }
+                $output .= '<li>'.$shown.'</li>';
+            }
+        } elsif ($item eq 'rules') {
+            my %titles = &Apache::lonlocal::texthash(
+                                      min   => 'Minimum password length',
+                                      max   => 'Maximum password length',
+                                      chars => 'Required characters',
+                         );
+            foreach my $rule ('min','max') {
+                if ($newsec->{rules}{$rule} eq '') {
+                    if ($rule eq 'min') {
+                        $output .= '<li>'.&mt('[_1] not set.',$titles{$rule});
+                                   ' '.&mt('Default of [_1] will be used',
+                                           $Apache::lonnet::passwdmin).'</li>';
+                    } else {
+                        $output .= '<li>'.&mt('[_1] set to none',$titles{$rule}).'</li>';
+                    }
+                } else {
+                    $output .= '<li>'.&mt('[_1] set to [_2]',$titles{$rule},$newsec->{rules}{$rule}).'</li>';
+                }
+            }
+            if (ref($newsec->{'rules'}{'chars'}) eq 'ARRAY') {
+                if (@{$newsec->{'rules'}{'chars'}} > 0) {
+                    my %rulenames = &Apache::lonlocal::texthash(
+                                             uc => 'At least one upper case letter',
+                                             lc => 'At least one lower case letter',
+                                             num => 'At least one number',
+                                             spec => 'At least one non-alphanumeric',
+                                    );
+                    my $needed = '<ul><li>'.
+                                 join('</li><li>',map {$rulenames{$_} } @{$newsec->{'rules'}{'chars'}}).
+                                 '</li></ul>';
+                    $output .= '<li>'.&mt('[_1] set to: [_2]',$titles{'chars'},$needed).'</li>';
+                } else {
+                    $output .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
                 }
             } else {
-                $error = 'nonumber';
+                $output .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
+            }
+        } elsif ($item eq 'private') {
+            $needs_update = 1;
+            if ($context eq 'lti') {
+                undef($domdefaults{'ltiprivhosts'});
+            } elsif ($context eq 'ltitools') {
+                undef($domdefaults{'toolprivhosts'});
+            }
+            if (keys(%{$newkeyset})) {
+                my @privhosts;
+                foreach my $hostid (sort(keys(%{$newkeyset}))) {
+                    if ($keystore->{$hostid} eq 'ok') {
+                        $output .= '<li>'.&mt('Encryption key for storage of shared secrets saved for [_1]',$hostid).'</li>';
+                        unless (grep(/^\Q$hostid\E$/,@privhosts)) {
+                            push(@privhosts,$hostid);
+                        }
+                    }
+                }
+                if (@privhosts) {
+                    if ($context eq 'lti') {
+                        $domdefaults{'ltiprivhosts'} = \@privhosts;
+                    } elsif ($context eq 'ltitools') {
+                        $domdefaults{'toolprivhosts'} = \@privhosts;
+                    }
+                }
+            }
+        } elsif ($item eq 'linkprot') {
+            next;
+        } elsif ($item eq 'suggested') {
+            if ((ref($secchanges->{'suggested'}) eq 'HASH') &&
+                (ref($newsec->{'suggested'}) eq 'HASH')) {
+                my $suggestions;
+                foreach my $id (sort { $a <=> $b } keys(%{$secchanges->{'suggested'}})) {
+                    if (ref($newsec->{'suggested'}->{$id}) eq 'HASH') {
+                        my $name = $newsec->{'suggested'}->{$id}->{'name'};
+                        my $info = $newsec->{'suggested'}->{$id}->{'info'};
+                        $suggestions .= '<li>'.&mt('Launcher: [_1]',$name).'<br />'.
+                                               &mt('Recommend: [_1]','<pre>'.$info.'</pre>').
+                                        '</li>';
+                    } else {
+                        $suggestions .= '<li>'.&mt('Recommendations deleted for Launcher: [_1]',
+                                                   $newsec->{'suggested'}->{$id}).'</li>';
+                    }
+                }
+                if ($suggestions) {
+                    $output .= '<li>'.&mt('Hints in Courses for Link Protector Configuration').
+                               '<ul>'.$suggestions.'</ul>'.
+                               '</li>';
+                }
             }
         }
-        my $dellockoutcome = &Apache::lonnet::del_dom('ltitools',['lock'],$cdom);
-    } else {
-        $error = 'nolock';
     }
-    return ($id,$error);
+    if ($needs_update) {
+        my $cachetime = 24*60*60;
+        &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+    }
+    return $output;
 }
 
 sub modify_proctoring {
@@ -15411,9 +15809,11 @@ sub process_proctoring_image {
             $error = &mt('Upload of Remote Proctoring Provider icon is not permitted to this server: [_1]',
                          $switchserver);
         } elsif ($author_ok eq 'ok') {
+            my $modified = [];
             my ($result,$imageurl,$madethumb) =
-                &publishlogo($r,'upload',$caller,$dom,$confname,
-                             "proctoring/$provider/icon",$width,$height);
+                &Apache::lonconfigsettings::publishlogo($r,'upload',$caller,$dom,$confname,
+                                                        "proctoring/$provider/icon",$width,$height,
+                                                        '',$modified);
             if ($result eq 'ok') {
                 if ($madethumb) {
                     my ($path,$imagefile) = ($imageurl =~ m{^(.+)/([^/]+)$});
@@ -15422,6 +15822,7 @@ sub process_proctoring_image {
                 } else {
                     $url = $imageurl;
                 }
+                &update_modify_urls($r,$modified);
             } else {
                 $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$filename,$result);
             }
@@ -15437,7 +15838,7 @@ sub process_proctoring_image {
 sub modify_lti {
     my ($r,$dom,$action,$lastactref,%domconfig) = @_;
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-    my ($newid,@allpos,%changes,%confhash,%encconfig,$errors,$resulttext);
+    my ($newid,@allpos,%changes,%confhash,%ltienc,$errors,$resulttext);
     my (%posslti,%posslticrs,%posscrstype);
     my @courseroles = ('cc','in','ta','ep','st');
     my @ltiroles = qw(Learner Instructor ContentDeveloper TeachingAssistant Mentor Member Manager Administrator);
@@ -15458,18 +15859,135 @@ sub modify_lti {
     map { $posscrstype{$_} = 1; } @coursetypes;
 
     my %menutitles = &ltimenu_titles();
+    my (%currltisec,%secchanges,%newltisec,%newltienc,%newkeyset);
+
+    &fetch_secrets($dom,'ltisec',\%domconfig,\%currltisec,\%secchanges,\%newltisec,\%newkeyset);
+
+    my (%linkprotchg,$linkprotoutput,$is_home);
+    my $proterror = &Apache::courseprefs::process_linkprot($dom,'',$currltisec{'linkprot'},
+                                                           \%linkprotchg,'domain');
+    my $home = &Apache::lonnet::domain($dom,'primary');
+    unless (($home eq 'no_host') || ($home eq '')) {
+        my @ids=&Apache::lonnet::current_machine_ids();
+        foreach my $id (@ids) { if ($id eq $home) { $is_home=1; } }
+    }
 
+    if (keys(%linkprotchg)) {
+        $secchanges{'linkprot'} = 1;
+        my %oldlinkprot;
+        if (ref($currltisec{'linkprot'}) eq 'HASH') {
+            %oldlinkprot = %{$currltisec{'linkprot'}};
+        }
+        foreach my $id (keys(%linkprotchg)) {
+            if (ref($linkprotchg{$id}) eq 'HASH') {
+                foreach my $inner (keys(%{$linkprotchg{$id}})) {
+                    if (($inner eq 'secret') || ($inner eq 'key')) {
+                        if ($is_home) {
+                            $newltienc{$id}{$inner} = $linkprotchg{$id}{$inner};
+                        }
+                    }
+                }
+            } else {
+                $newltisec{'linkprot'}{$id} = $linkprotchg{$id};
+            }
+        }
+        $linkprotoutput = &Apache::courseprefs::store_linkprot($dom,'','domain',\%linkprotchg,\%oldlinkprot);
+        if (keys(%linkprotchg)) {
+            %{$newltisec{'linkprot'}} = %linkprotchg;
+        }
+    }
+    if (ref($currltisec{'linkprot'}) eq 'HASH') {
+        foreach my $id (keys(%{$currltisec{'linkprot'}})) {
+            next if ($id !~ /^\d+$/);
+            unless (exists($linkprotchg{$id})) {
+                if (ref($currltisec{'linkprot'}{$id}) eq 'HASH') {
+                    foreach my $inner (keys(%{$currltisec{'linkprot'}{$id}})) {
+                        if (($inner eq 'secret') || ($inner eq 'key')) {
+                            if ($is_home) {
+                                $newltienc{$id}{$inner} = $currltisec{'linkprot'}{$id}{$inner};
+                            }
+                        } else {
+                            $newltisec{'linkprot'}{$id}{$inner} = $currltisec{'linkprot'}{$id}{$inner};
+                        }
+                    }
+                } else {
+                    $newltisec{'linkprot'}{$id} = $currltisec{'linkprot'}{$id};
+                }
+            }
+        }
+    }
+    if ($proterror) {
+        $errors .= '<li>'.$proterror.'</li>';
+    }
+
+    my (%delsuggested,%suggids,@suggested);;
+    if (ref($currltisec{'suggested'}) eq 'HASH') {
+        my $maxnum = $env{'form.linkprot_suggested_maxnum'};
+        my @todelete = &Apache::loncommon::get_env_multiple('form.linkprot_suggested_del');
+        for (my $i=0; $i<$maxnum; $i++) {
+            my $itemid = $env{'form.linkprot_suggested_id_'.$i};
+            $itemid =~ s/\D+//g;
+            if ($itemid) {
+                if (ref($currltisec{'suggested'}->{$itemid}) eq 'HASH') {
+                    push(@suggested,$i);
+                    $suggids{$i} = $itemid;
+                    if ((@todelete > 0) && (grep(/^$i$/,@todelete))) {
+                        if (ref($currltisec{'suggested'}{$itemid}) eq 'HASH') {
+                            $delsuggested{$itemid} = $currltisec{'suggested'}{$itemid}{'name'};
+                        }
+                    } else {
+                        if ($env{'form.linkprot_suggested_name_'.$i} eq '') {
+                            $delsuggested{$itemid} = $currltisec{'suggested'}{$itemid}{'name'};
+                        } else {
+                            $env{'form.linkprot_suggested_name_'.$i} =~ s/(`)/'/g;
+                            $env{'form.linkprot_suggested_info_'.$i} =~ s/(`)/'/g;
+                            $newltisec{'suggested'}{$itemid}{'name'} = $env{'form.linkprot_suggested_name_'.$i};
+                            $newltisec{'suggested'}{$itemid}{'info'} = $env{'form.linkprot_suggested_info_'.$i};
+                            if (($currltisec{'suggested'}{$itemid}{'name'} ne $newltisec{'suggested'}{$itemid}{'name'}) ||
+                                ($currltisec{'suggested'}{$itemid}{'info'} ne $newltisec{'suggested'}{$itemid}{'info'})) {
+                                $secchanges{'suggested'}{$itemid} = 1;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    foreach my $key (keys(%delsuggested)) {
+        $newltisec{'suggested'}{$key} = $delsuggested{$key};
+        $secchanges{'suggested'}{$key} = 1;
+    }
+    if (($env{'form.linkprot_suggested_add'}) &&
+        ($env{'form.linkprot_suggested_name_add'} ne '')) {
+        $env{'form.linkprot_suggested_name_add'} =~ s/(`)/'/g;
+        $env{'form.linkprot_suggested_info_add'} =~ s/(`)/'/g;
+        my ($newsuggid,$errormsg) = &get_lti_id($dom,$env{'form.linkprot_suggested_name_add'},'suggested');
+        if ($newsuggid) {
+            $newltisec{'suggested'}{$newsuggid}{'name'} = $env{'form.linkprot_suggested_name_add'};
+            $newltisec{'suggested'}{$newsuggid}{'info'} = $env{'form.linkprot_suggested_info_add'};
+            $secchanges{'suggested'}{$newsuggid} = 1;
+        } else {
+            my $error = &mt('Failed to acquire unique ID for new Link Protectors in Courses Suggestion');
+            if ($errormsg) {
+                $error .= ' ('.$errormsg.')';
+            }
+            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+        }
+    }
     my (@items,%deletions,%itemids);
     if ($env{'form.lti_add'}) {
         my $consumer = $env{'form.lti_consumer_add'};
         $consumer =~ s/(`)/'/g;
-        ($newid,my $error) = &get_lti_id($dom,$consumer);
+        ($newid,my $errormsg) = &get_lti_id($dom,$consumer,'lti');
         if ($newid) {
             $itemids{'add'} = $newid;
             push(@items,'add');
             $changes{$newid} = 1;
         } else {
             my $error = &mt('Failed to acquire unique ID for new LTI configuration');
+            if ($errormsg) {
+                $error .= ' ('.$errormsg.')';
+            }
             $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
         }
     }
@@ -15492,29 +16010,43 @@ sub modify_lti {
             }
         }
     }
+    my (%keystore,$secstored);
+    if ($is_home) {
+        &store_security($dom,'lti',\%secchanges,\%newkeyset,\%keystore);
+    }
+
+    my ($cipher,$privnum);
+    if ((@items > 0) && ($is_home)) {
+        ($cipher,$privnum) = &get_priv_creds($dom,$home,$secchanges{'encrypt'},
+                                             $newltisec{'encrypt'},$keystore{$home});
+    }
     foreach my $idx (@items) {
         my $itemid = $itemids{$idx};
         next unless ($itemid);
+        my %currlti;
+        unless ($idx eq 'add') {
+            if (ref($domconfig{$action}) eq 'HASH') {
+                if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
+                    %currlti = %{$domconfig{$action}{$itemid}};
+                }
+            }
+        }
         my $position = $env{'form.lti_pos_'.$itemid};
         $position =~ s/\D+//g;
         if ($position ne '') {
             $allpos[$position] = $itemid;
         }
-        foreach my $item ('consumer','key','secret','lifetime','requser','crsinc') {
+        foreach my $item ('consumer','lifetime','requser','crsinc') {
             my $formitem = 'form.lti_'.$item.'_'.$idx;
             $env{$formitem} =~ s/(`)/'/g;
             if ($item eq 'lifetime') {
                 $env{$formitem} =~ s/[^\d.]//g;
             }
             if ($env{$formitem} ne '') {
-                if (($item eq 'key') || ($item eq 'secret')) {
-                    $encconfig{$itemid}{$item} = $env{$formitem};
-                } else {
-                    $confhash{$itemid}{$item} = $env{$formitem};
-                    unless (($idx eq 'add') || ($changes{$itemid})) {
-                        if ($domconfig{$action}{$itemid}{$item} ne $confhash{$itemid}{$item}) {
-                            $changes{$itemid} = 1;
-                        }
+                $confhash{$itemid}{$item} = $env{$formitem};
+                unless (($idx eq 'add') || ($changes{$itemid})) {
+                    if ($currlti{$item} ne $confhash{$itemid}{$item}) {
+                        $changes{$itemid} = 1;
                     }
                 }
             }
@@ -15524,14 +16056,14 @@ sub modify_lti {
         }
         if ($confhash{$itemid}{'requser'}) {
             if ($env{'form.lti_mapuser_'.$idx} eq 'sourcedid') {
-                $confhash{$itemid}{'mapuser'} = 'lis_person_sourcedid'; 
+                $confhash{$itemid}{'mapuser'} = 'lis_person_sourcedid';
             } elsif ($env{'form.lti_mapuser_'.$idx} eq 'email') {
                 $confhash{$itemid}{'mapuser'} = 'lis_person_contact_email_primary';
             } elsif ($env{'form.lti_mapuser_'.$idx} eq 'other') {
                 my $mapuser = $env{'form.lti_customuser_'.$idx};
                 $mapuser =~ s/(`)/'/g;
-                $mapuser =~ s/^\s+|\s+$//g; 
-                $confhash{$itemid}{'mapuser'} = $mapuser; 
+                $mapuser =~ s/^\s+|\s+$//g;
+                $confhash{$itemid}{'mapuser'} = $mapuser;
             }
             my @possmakeuser = &Apache::loncommon::get_env_multiple('form.lti_makeuser_'.$idx);
             my @makeuser;
@@ -15559,9 +16091,9 @@ sub modify_lti {
             }
             my @possinstdata =  &Apache::loncommon::get_env_multiple('form.lti_instdata_'.$idx);
             if (@possinstdata) {
-                foreach my $field (@possinstdata) {
+                foreach my $field (sort(@possinstdata)) {
                     if (exists($fieldtitles{$field})) {
-                        push(@{$confhash{$itemid}{'instdata'}});
+                        push(@{$confhash{$itemid}{'instdata'}},$field);
                     }
                 }
             }
@@ -15655,27 +16187,27 @@ sub modify_lti {
             unless (($idx eq 'add') || ($changes{$itemid})) {
                 if ($confhash{$itemid}{'crsinc'}) {
                     foreach my $field ('mapcrs','storecrs','makecrs','section','passback','roster') {
-                        if ($domconfig{$action}{$itemid}{$field} ne $confhash{$itemid}{$field}) {
+                        if ($currlti{$field} ne $confhash{$itemid}{$field}) {
                             $changes{$itemid} = 1;
                         }
                     }
                     unless ($changes{$itemid}) {
-                        if ($domconfig{$action}{$itemid}{'passback'} eq $confhash{$itemid}{'passback'}) {
-                            if ($domconfig{$action}{$itemid}{'passbackformat'} ne $confhash{$itemid}{'passbackformat'}) {
+                        if ($currlti{'passback'} eq $confhash{$itemid}{'passback'}) {
+                            if ($currlti{'passbackformat'} ne $confhash{$itemid}{'passbackformat'}) {
                                 $changes{$itemid} = 1;
                             }
                         }
                     }
                     foreach my $field ('mapcrstype','selfenroll') {
                         unless ($changes{$itemid}) {
-                            if (ref($domconfig{$action}{$itemid}{$field}) eq 'ARRAY') {
+                            if (ref($currlti{$field}) eq 'ARRAY') {
                                 if (ref($confhash{$itemid}{$field}) eq 'ARRAY') {
-                                    my @diffs = &Apache::loncommon::compare_arrays($domconfig{$action}{$itemid}{$field},
+                                    my @diffs = &Apache::loncommon::compare_arrays($currlti{$field},
                                                                                    $confhash{$itemid}{$field});
                                     if (@diffs) {
                                         $changes{$itemid} = 1;
                                     }
-                                } elsif (@{$domconfig{$action}{$itemid}{$field}} > 0) {
+                                } elsif (@{$currlti{$field}} > 0) {
                                     $changes{$itemid} = 1;
                                 }
                             } elsif (ref($confhash{$itemid}{$field}) eq 'ARRAY') {
@@ -15686,10 +16218,10 @@ sub modify_lti {
                         }
                     }
                     unless ($changes{$itemid}) {
-                        if (ref($domconfig{$action}{$itemid}{'maproles'}) eq 'HASH') {
+                        if (ref($currlti{'maproles'}) eq 'HASH') {
                             if (ref($confhash{$itemid}{'maproles'}) eq 'HASH') {
-                                foreach my $ltirole (keys(%{$domconfig{$action}{$itemid}{'maproles'}})) {
-                                    if ($domconfig{$action}{$itemid}{'maproles'}{$ltirole} ne 
+                                foreach my $ltirole (keys(%{$currlti{'maproles'}})) {
+                                    if ($currlti{'maproles'}{$ltirole} ne 
                                         $confhash{$itemid}{'maproles'}{$ltirole}) {
                                         $changes{$itemid} = 1;
                                         last;
@@ -15698,13 +16230,13 @@ sub modify_lti {
                                 unless ($changes{$itemid}) {
                                     foreach my $ltirole (keys(%{$confhash{$itemid}{'maproles'}})) {
                                         if ($confhash{$itemid}{'maproles'}{$ltirole} ne 
-                                            $domconfig{$action}{$itemid}{'maproles'}{$ltirole}) {
+                                            $currlti{'maproles'}{$ltirole}) {
                                             $changes{$itemid} = 1;
                                             last;
                                         }
                                     }
                                 }
-                            } elsif (keys(%{$domconfig{$action}{$itemid}{'maproles'}}) > 0) {
+                            } elsif (keys(%{$currlti{'maproles'}}) > 0) {
                                 $changes{$itemid} = 1;
                             }
                         } elsif (ref($confhash{$itemid}{'maproles'}) eq 'HASH') {
@@ -15718,20 +16250,20 @@ sub modify_lti {
                 }
                 unless ($changes{$itemid}) {
                     foreach my $field ('mapuser','lcauth','lcauthparm','topmenu','inlinemenu','callback') {
-                        if ($domconfig{$action}{$itemid}{$field} ne $confhash{$itemid}{$field}) {
+                        if ($currlti{$field} ne $confhash{$itemid}{$field}) {
                             $changes{$itemid} = 1;
                         }
                     }
                     unless ($changes{$itemid}) {
-                        foreach my $field ('makeuser','lcmenu') {
-                            if (ref($domconfig{$action}{$itemid}{$field}) eq 'ARRAY') {
+                        foreach my $field ('makeuser','lcmenu','instdata') {
+                            if (ref($currlti{$field}) eq 'ARRAY') {
                                 if (ref($confhash{$itemid}{$field}) eq 'ARRAY') {
-                                    my @diffs = &Apache::loncommon::compare_arrays($domconfig{$action}{$itemid}{$field},
+                                    my @diffs = &Apache::loncommon::compare_arrays($currlti{$field},
                                                                                    $confhash{$itemid}{$field});
                                     if (@diffs) {
                                         $changes{$itemid} = 1;
                                     }
-                                } elsif (@{$domconfig{$action}{$itemid}{$field}} > 0) {
+                                } elsif (@{$currlti{$field}} > 0) {
                                     $changes{$itemid} = 1;
                                 }
                             } elsif (ref($confhash{$itemid}{$field}) eq 'ARRAY') {
@@ -15744,6 +16276,71 @@ sub modify_lti {
                 }
             }
         }
+        if ($is_home) {
+            my $keyitem = 'form.lti_key_'.$idx;
+            $env{$keyitem} =~ s/(`)/'/g;
+            if ($env{$keyitem} ne '') {
+                $ltienc{$itemid}{'key'} = $env{$keyitem};
+                unless ($changes{$itemid}) {
+                    if ($currlti{'key'} ne $env{$keyitem}) {
+                        $changes{$itemid} = 1;
+                    }
+                }
+            }
+            my $secretitem = 'form.lti_secret_'.$idx;
+            $env{$secretitem} =~ s/(`)/'/g;
+            if ($currlti{'usable'}) {
+                if ($env{'form.lti_changesecret_'.$idx}) {
+                    if ($env{$secretitem} ne '') {
+                        if ($privnum && $cipher) {
+                            $ltienc{$itemid}{'secret'} = $cipher->encrypt_hex($env{$secretitem});
+                            $confhash{$itemid}{'cipher'} = $privnum;
+                        } else {
+                            $ltienc{$itemid}{'secret'} = $env{$secretitem};
+                        }
+                        $changes{$itemid} = 1;
+                    }
+                } else {
+                    $ltienc{$itemid}{'secret'} = $currlti{'secret'};
+                    $confhash{$itemid}{'cipher'} = $currlti{'cipher'};
+                }
+                if (ref($ltienc{$itemid}) eq 'HASH') {
+                    if (($ltienc{$itemid}{'key'} ne '') && ($ltienc{$itemid}{'secret'} ne '')) {
+                        $confhash{$itemid}{'usable'} = 1;
+                    }
+                }
+            } elsif ($env{$secretitem} ne '') {
+                if ($privnum && $cipher) {
+                    $ltienc{$itemid}{'secret'} = $cipher->encrypt_hex($env{$secretitem});
+                    $confhash{$itemid}{'cipher'} = $privnum;
+                } else {
+                    $ltienc{$itemid}{'secret'} = $env{$secretitem};
+                }
+                if (ref($ltienc{$itemid}) eq 'HASH') {
+                    if (($ltienc{$itemid}{'key'} ne '') && ($ltienc{$itemid}{'key'} ne '')) {
+                        $confhash{$itemid}{'usable'} = 1;
+                    }
+                }
+                $changes{$itemid} = 1;
+            }
+        }
+        unless ($changes{$itemid}) {
+            foreach my $key (keys(%currlti)) {
+                if (ref($currlti{$key}) eq 'HASH') {
+                    if (ref($confhash{$itemid}{$key}) eq 'HASH') {
+                        foreach my $innerkey (keys(%{$currlti{$key}})) {
+                            unless (exists($confhash{$itemid}{$key}{$innerkey})) {
+                                $changes{$itemid} = 1;
+                                last;
+                            }
+                        }
+                    } elsif (keys(%{$currlti{$key}}) > 0) {
+                        $changes{$itemid} = 1;
+                    }
+                }
+                last if ($changes{$itemid});
+            }
+        }
     }
     if (@allpos > 0) {
         my $idx = 0;
@@ -15761,41 +16358,57 @@ sub modify_lti {
             }
         }
     }
+
+    if ((keys(%changes) == 0) && (keys(%secchanges) == 0)) {
+        return &mt('No changes made.');
+    }
+
     my %ltihash = (
-                          $action => { %confhash }
-                       );
-    my $putresult = &Apache::lonnet::put_dom('configuration',\%ltihash,
-                                             $dom);
+                      $action => { %confhash }
+                  );
+    my %ltienchash;
+
+    if ($is_home) {
+        %ltienchash = (
+                         $action => { %ltienc }
+                      );
+    }
+    if (keys(%secchanges)) {
+        $ltihash{'ltisec'} = \%newltisec;
+        if ($secchanges{'linkprot'}) {
+            if ($is_home) {
+                $ltienchash{'linkprot'} = \%newltienc;
+            }
+        }
+    }
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%ltihash,$dom);
     if ($putresult eq 'ok') {
-        my %ltienchash = (
-                             $action => { %encconfig }
-                         );
-        &Apache::lonnet::put_dom('encconfig',\%ltienchash,$dom,undef,1);
+        if (keys(%ltienchash)) {
+            &Apache::lonnet::put_dom('encconfig',\%ltienchash,$dom,undef,1);
+        }
+        $resulttext = &mt('Changes made:').'<ul>';
+        if (keys(%secchanges) > 0) {
+            $resulttext .= &lti_security_results($dom,'lti',\%secchanges,\%newltisec,\%newkeyset,\%keystore);
+            if (exists($secchanges{'linkprot'})) {
+                $resulttext .= $linkprotoutput;
+            }
+        }
         if (keys(%changes) > 0) {
             my $cachetime = 24*60*60;
-            my %ltiall = %confhash;
-            foreach my $id (keys(%ltiall)) {
-                if (ref($encconfig{$id}) eq 'HASH') {
-                    foreach my $item ('key','secret') {
-                        $ltiall{$id}{$item} = $encconfig{$id}{$item};
-                    }
-                }
-            }
-            &Apache::lonnet::do_cache_new('lti',$dom,\%ltiall,$cachetime);
+            &Apache::lonnet::do_cache_new('lti',$dom,\%confhash,$cachetime);
             if (ref($lastactref) eq 'HASH') {
                 $lastactref->{'lti'} = 1;
             }
-            $resulttext = &mt('Changes made:').'<ul>';
             my %bynum;
             foreach my $itemid (sort(keys(%changes))) {
-                my $position = $confhash{$itemid}{'order'};
-                $bynum{$position} = $itemid;
+                if (ref($confhash{$itemid}) eq 'HASH') {
+                    my $position = $confhash{$itemid}{'order'};
+                    $bynum{$position} = $itemid;
+                }
             }
             foreach my $pos (sort { $a <=> $b } keys(%bynum)) {
                 my $itemid = $bynum{$pos};
-                if (ref($confhash{$itemid}) ne 'HASH') {
-                    $resulttext .= '<li>'.&mt('Deleted: [_1]',$changes{$itemid}).'</li>';
-                } else {
+                if (ref($confhash{$itemid}) eq 'HASH') {
                     $resulttext .= '<li><b>'.$confhash{$itemid}{'consumer'}.'</b><ul>';
                     my $position = $pos + 1;
                     $resulttext .= '<li>'.&mt('Order: [_1]',$position).'</li>';
@@ -15804,13 +16417,11 @@ sub modify_lti {
                             $resulttext .= '<li>'.$lt{$item}.':&nbsp;'.$confhash{$itemid}{$item}.'</li>';
                         }
                     }
-                    if ($encconfig{$itemid}{'key'} ne '') {
-                        $resulttext .= '<li>'.$lt{'key'}.':&nbsp;'.$encconfig{$itemid}{'key'}.'</li>';
+                    if ($ltienc{$itemid}{'key'} ne '') {
+                        $resulttext .= '<li>'.$lt{'key'}.':&nbsp;'.$ltienc{$itemid}{'key'}.'</li>';
                     }
-                    if ($encconfig{$itemid}{'secret'} ne '') {
-                        $resulttext .= '<li>'.$lt{'secret'}.':&nbsp;';
-                        my $num = length($encconfig{$itemid}{'secret'});
-                        $resulttext .= ('*'x$num).'</li>';
+                    if ($ltienc{$itemid}{'secret'} ne '') {
+                        $resulttext .= '<li>'.$lt{'secret'}.':&nbsp;['.&mt('not shown').']</li>';
                     }
                     if ($confhash{$itemid}{'requser'}) {
                         if ($confhash{$itemid}{'callback'}) {
@@ -15858,8 +16469,10 @@ sub modify_lti {
                                 $resulttext .= '<li>'.&mt('Institutional data will be used when creating a new user for: [_1]',
                                                           join(', ',map { $fieldtitles{$_}; } @{$confhash{$itemid}{'instdata'}})).'</li>';
                             } else {
-                                $resulttext .= '<li>'.&mt('No institutional data used when creating a new user.').'</li>';
+                                $resulttext .= '<li>'.&mt('No institutional data used when creating a new user').'</li>';
                             }
+                        } else {
+                            $resulttext .= '<li>'.&mt('No institutional data used when creating a new user').'</li>';
                         }
                         foreach my $item ('topmenu','inlinemenu') {
                             $resulttext .= '<li>'.$lt{$item}.':&nbsp;';
@@ -15962,9 +16575,18 @@ sub modify_lti {
                     $resulttext .= '</ul></li>';
                 }
             }
-            $resulttext .= '</ul>';
-        } else {
-            $resulttext = &mt('No changes made.');
+            if (keys(%deletions)) {
+                foreach my $itemid (sort { $a <=> $b } keys(%deletions)) {
+                    $resulttext .= '<li>'.&mt('Deleted: [_1]',$changes{$itemid}).'</li>';
+                }
+            }
+        }
+        $resulttext .= '</ul>';
+        if (ref($lastactref) eq 'HASH') {
+            if (($secchanges{'encrypt'}) || ($secchanges{'private'}) || (exists($secchanges{'suggested'}))) {
+                &Apache::lonnet::get_domain_defaults($dom,1);
+                $lastactref->{'domdefaults'} = 1;
+            }
         }
     } else {
         $errors .= '<li><span class="LC_error">'.&mt('Failed to save changes').'</span></li>';
@@ -15976,24 +16598,51 @@ sub modify_lti {
     return $resulttext;
 }
 
+sub get_priv_creds {
+    my ($dom,$home,$encchg,$encrypt,$storedsec) = @_;
+    my ($needenc,$cipher,$privnum);
+    my %domdefs = &Apache::lonnet::get_domain_defaults($dom);
+    if (($encchg) && (ref($encrypt) eq 'HASH')) {
+        $needenc = $encrypt->{'consumers'} 
+    } else {
+        $needenc = $domdefs{'ltienc_consumers'};
+    }
+    if ($needenc) {
+        if (($storedsec eq 'ok') || ((ref($domdefs{'ltiprivhosts'}) eq 'ARRAY') &&
+                                     (grep(/^\Q$home\E$/,@{$domdefs{'ltiprivhosts'}})))) {
+                        my %privhash  = &Apache::lonnet::restore_dom('lti','private',$dom,$home,1);
+            my $privkey = $privhash{'key'};
+            $privnum = $privhash{'version'};
+            if (($privnum) && ($privkey ne '')) {
+                $cipher = Crypt::CBC->new({'key'     => $privkey,
+                                          'cipher'  => 'DES'});
+            }
+        }
+    }
+    return ($cipher,$privnum);
+}
+
 sub get_lti_id {
-    my ($domain,$consumer) = @_;
-    # get lock on lti db
+    my ($domain,$consumer,$dbname) = @_;
+    unless (($dbname eq 'lti') || ($dbname eq 'suggested')) {
+        return ('','invalid db');
+    }
+    # get lock on db
     my $lockhash = {
                       lock => $env{'user.name'}.
                               ':'.$env{'user.domain'},
                    };
     my $tries = 0;
-    my $gotlock = &Apache::lonnet::newput_dom('lti',$lockhash,$domain);
+    my $gotlock = &Apache::lonnet::newput_dom($dbname,$lockhash,$domain);
     my ($id,$error);
 
     while (($gotlock ne 'ok') && ($tries<10)) {
         $tries ++;
         sleep (0.1);
-        $gotlock = &Apache::lonnet::newput_dom('lti',$lockhash,$domain);
+        $gotlock = &Apache::lonnet::newput_dom($dbname,$lockhash,$domain);
     }
     if ($gotlock eq 'ok') {
-        my %currids = &Apache::lonnet::dump_dom('lti',$domain);
+        my %currids = &Apache::lonnet::dump_dom($dbname,$domain);
         if ($currids{'lock'}) {
             delete($currids{'lock'});
             if (keys(%currids)) {
@@ -16005,14 +16654,14 @@ sub get_lti_id {
                 $id = 1;
             }
             if ($id) {
-                unless (&Apache::lonnet::newput_dom('lti',{ $id => $consumer },$domain) eq 'ok') {
+                unless (&Apache::lonnet::newput_dom($dbname,{ $id => $consumer },$domain) eq 'ok') {
                     $error = 'nostore';
                 }
             } else {
                 $error = 'nonumber';
             }
         }
-        my $dellockoutcome = &Apache::lonnet::del_dom('lti',['lock'],$domain);
+        my $dellockoutcome = &Apache::lonnet::del_dom($dbname,['lock'],$domain);
     } else {
         $error = 'nolock';
     }
@@ -16778,7 +17427,7 @@ sub modify_contacts {
                     $contacts_hash{'contacts'}{'overrides'}{$type}{'include'} = $includeloc{$type}.':'.&escape($includestr{$type});
                     $newsetting{'override_'.$type}{'include'} = $contacts_hash{'contacts'}{'overrides'}{$type}{'include'};
                 }
-            }     
+            }
         }
     }
     if (keys(%currsetting) > 0) {
@@ -16836,12 +17485,12 @@ sub modify_contacts {
             }
         }
         if (@statuses) {
-            if (ref($currsetting{'overrides'}) eq 'HASH') { 
+            if (ref($currsetting{'overrides'}) eq 'HASH') {
                 foreach my $key (keys(%{$currsetting{'overrides'}})) {
                     if (ref($currsetting{'overrides'}{$key}) eq 'HASH') {
                         if (ref($newsetting{'override_'.$key}) eq 'HASH') {
                             foreach my $item (@contacts,'bcc','others','include') {
-                                if ($currsetting{'overrides'}{$key}{$item} ne $newsetting{'override_'.$key}{$item}) { 
+                                if ($currsetting{'overrides'}{$key}{$item} ne $newsetting{'override_'.$key}{$item}) {
                                     push(@{$changes{'overrides'}},$key);
                                     last;
                                 }
@@ -16858,7 +17507,7 @@ sub modify_contacts {
                 }
             } else {
                 foreach my $key (@overrides) {
-                    push(@{$changes{'overrides'}},$key); 
+                    push(@{$changes{'overrides'}},$key);
                 }
             }
         }
@@ -17040,7 +17689,7 @@ sub modify_contacts {
                             $resulttext .= $bcctext.': <span class="LC_cusr_emph">'.$bcc{$type}.'</span>';
                         } elsif (!@text) {
                             $resulttext .= &mt('No one');
-                        }   
+                        }
                         if ($includestr{$type} ne '') {
                             if ($includeloc{$type} eq 'b') {
                                 $resulttext .= '<br />'.&mt('Text automatically added to e-mail body:').' '.$includestr{$type};
@@ -17064,14 +17713,14 @@ sub modify_contacts {
                             if (ref($newsetting{'override_'.$type}) eq 'HASH') {
                                 my @text;
                                 foreach my $item (@contacts) {
-                                    if ($newsetting{'override_'.$type}{$item}) { 
+                                    if ($newsetting{'override_'.$type}{$item}) {
                                         push(@text,$short_titles->{$item});
                                     }
                                 }
                                 if ($newsetting{'override_'.$type}{'others'} ne '') {
                                     push(@text,$newsetting{'override_'.$type}{'others'});
                                 }
-  
+
                                 if (@text) {
                                     $resulttext .= &mt('Helpdesk e-mail sent to: [_1]',
                                                        '<span class="LC_cusr_emph">'.join(', ',@text).'</span>');
@@ -17234,7 +17883,7 @@ sub modify_contacts {
 }
 
 sub modify_privacy {
-    my ($dom,%domconfig) = @_;
+    my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,%current,%changes);
     if (ref($domconfig{'privacy'}) eq 'HASH') {
         %current = %{$domconfig{'privacy'}};
@@ -17245,7 +17894,7 @@ sub modify_privacy {
                    domain => 'Assigned domain role(s)',
                    author => 'Assigned co-author role(s)',
                    course => 'Assigned course role(s)',
-                   community => 'Assigned community role',
+                   community => 'Assigned community role(s)',
                 );
     my %roles = &Apache::lonlocal::texthash (
                    domain => 'Domain role',
@@ -17264,6 +17913,7 @@ sub modify_privacy {
                   user     => 'User authorizes',
                   domain   => 'Domain Coordinator authorizes',
                   auto     => 'Unrestricted',
+                  notify   => 'Notify when role needs authorization',
     );
     my %fieldnames = &Apache::lonlocal::texthash (
                         id => 'Student/Employee ID',
@@ -17289,7 +17939,7 @@ sub modify_privacy {
                       );
     foreach my $item (@items) {
         if (@instdoms > 1) {
-            if ($env{'form.privacy_approval_instdom'.$item} =~ /^(none|user|domain|auto)$/) {
+            if ($env{'form.privacy_approval_instdom_'.$item} =~ /^(none|user|domain|auto)$/) {
                 $privacyhash{'approval'}{'instdom'}{$item} = $env{'form.privacy_approval_instdom_'.$item};
             }
             if (ref($current{'approval'}) eq 'HASH') {
@@ -17381,6 +18031,18 @@ sub modify_privacy {
                 }
             }
         }
+        my %domcoords = &Apache::lonnet::get_active_domroles($dom,['dc']);
+        my %notify;
+        foreach my $possdc (&Apache::loncommon::get_env_multiple('form.privacy_notify')) {
+            if (exists($domcoords{$possdc})) {
+                $notify{$possdc} = 1;
+            }
+        }
+        my $notify = join(',',sort(keys(%notify)));
+        if ($current{'notify'} ne $notify) {
+            $changes{'notify'} = 1;
+        }
+        $privacyhash{'notify'} = $notify;
     }
     my %confighash = (
                         privacy => \%privacyhash,
@@ -17389,7 +18051,7 @@ sub modify_privacy {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             $resulttext = &mt('Changes made: ').'<ul>';
-            foreach my $key ('approval','othdom','priv','unpriv') {
+            foreach my $key ('approval','notify','othdom','priv','unpriv') {
                 if ($changes{$key}) {
                     $resulttext .= '<li>'.$titles{$key}.':<ul>';
                     if ($key eq 'approval') {
@@ -17407,6 +18069,15 @@ sub modify_privacy {
                             }
                             $resulttext .= '</ul></li>';
                         }
+                    } elsif ($key eq 'notify') {
+                        if ($privacyhash{$key}) {
+                            foreach my $dc (split(/,/,$privacyhash{$key})) {
+                                my ($dcname,$dcdom) = split(/:/,$dc);
+                                $resulttext .= '<li>'.&Apache::loncommon::plainname($dcname,$dcdom).'</li>';
+                            }
+                        } else {
+                            $resulttext .= '<li>'.&mt('No DCs to notify').'</li>';
+                        }
                     } elsif ($key eq 'othdom') {
                         my @statuses;
                         if (ref($types) eq 'ARRAY') {
@@ -17447,6 +18118,29 @@ sub modify_privacy {
                     $resulttext .= '</ul></li>';
                 }
             }
+            $resulttext .= '</ul>';
+            if ($changes{'approval'}) {
+                my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
+                delete($domdefaults{'userapprovals'});
+                if (ref($privacyhash{'approval'}) eq 'HASH') {
+                    foreach my $domtype ('instdom','extdom') {
+                        if (ref($privacyhash{'approval'}{$domtype}) eq 'HASH') {
+                            foreach my $roletype ('domain','author','course','community') {
+                                if ($privacyhash{'approval'}{$domtype}{$roletype} eq 'user') {
+                                    $domdefaults{'userapprovals'} = 1;
+                                    last;
+                                }
+                            }
+                        }
+                        last if ($domdefaults{'userapprovals'});               
+                    }
+                }
+                my $cachetime = 24*60*60;
+                &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+                if (ref($lastactref) eq 'HASH') {
+                    $lastactref->{'domdefaults'} = 1;
+                }
+            }
         } else {
             $resulttext = &mt('No changes made to user information settings');
         }
@@ -17633,12 +18327,15 @@ sub modify_passwords {
                 $error = &mt("Upload of file containing domain-specific text is not permitted to this server: [_1]",$switchserver);
             } else {
                 if ($author_ok eq 'ok') {
+                    my $modified = [];
                     my ($result,$customurl) =
-                        &publishlogo($r,'upload','passwords_customfile',$dom,
-                                     $confname,'customtext/resetpw','','',$customfn);
+                        &Apache::lonconfigsettings::publishlogo($r,'upload','passwords_customfile',$dom,
+                                                                $confname,'customtext/resetpw','','',$customfn,
+                                                                $modified);
                     if ($result eq 'ok') {
                         $newvalues{'resetcustom'} = $customurl;
                         $changes{'reset'} = 1;
+                        &update_modify_urls($r,$modified);
                     } else {
                         $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$customfn,$result);
                     }
@@ -17691,61 +18388,7 @@ sub modify_passwords {
             $updatedefaults = 1;
         }
     }
-    foreach my $rule ('min','max','expire','numsaved') {
-        $env{'form.passwords_'.$rule} =~ s/^\s+|\s+$//g;
-        my $ruleok;
-        if ($rule eq 'expire') {
-            if (($env{'form.passwords_'.$rule} =~ /^\d+(|\.\d*)$/) &&
-                ($env{'form.passwords_'.$rule} ne '0')) {
-                $ruleok = 1;
-            }
-        } elsif ($rule eq 'min') {
-            if ($env{'form.passwords_'.$rule} =~ /^\d+$/) {
-                if ($env{'form.passwords_'.$rule} >= $Apache::lonnet::passwdmin) {
-                    $ruleok = 1;
-                }
-            }
-        } elsif (($env{'form.passwords_'.$rule} =~ /^\d+$/) &&
-                 ($env{'form.passwords_'.$rule} ne '0')) {
-            $ruleok = 1;
-        }
-        if ($ruleok) {
-            $newvalues{$rule} = $env{'form.passwords_'.$rule};
-            if (exists($current{$rule})) {
-                if ($newvalues{$rule} ne $current{$rule}) {
-                    $changes{'rules'} = 1;
-                }
-            } elsif ($rule eq 'min') {
-                if ($staticdefaults{$rule} ne $newvalues{$rule}) {
-                    $changes{'rules'} = 1;
-                }
-            } else {
-                $changes{'rules'} = 1;
-            }
-        } elsif (exists($current{$rule})) {
-            $changes{'rules'} = 1;
-        }
-    }
-    my @posschars = &Apache::loncommon::get_env_multiple('form.passwords_chars');
-    my @chars;
-    foreach my $item (sort(@posschars)) {
-        if ($item =~ /^(uc|lc|num|spec)$/) {
-            push(@chars,$item);
-        }
-    }
-    $newvalues{'chars'} = \@chars;
-    unless ($changes{'rules'}) {
-        if (ref($current{'chars'}) eq 'ARRAY') {
-            my @diffs = &Apache::loncommon::compare_arrays($current{'chars'},\@chars);
-            if (@diffs > 0) {
-                $changes{'rules'} = 1;
-            }
-        } else {
-            if (@chars > 0) {
-                $changes{'rules'} = 1;
-            }
-        }
-    }
+    &password_rule_changes('passwords',\%newvalues,\%current,\%changes);
     my %crsownerchg = (
                         by => [],
                         for => [],
@@ -17940,7 +18583,7 @@ sub modify_passwords {
                                                    );
                                 my $needed = '<ul><li>'.
                                              join('</li><li>',map {$rulenames{$_} } @{$confighash{'passwords'}{'chars'}}).
-                                             '</li></ul>'; 
+                                             '</li></ul>';
                                 $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$titles{'chars'},$needed).'</li>';
                             } else {
                                 $resulttext .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
@@ -18005,6 +18648,76 @@ sub modify_passwords {
     return $resulttext;
 }
 
+sub password_rule_changes {
+    my ($prefix,$newvalues,$current,$changes) = @_;
+    return unless ((ref($newvalues) eq 'HASH') &&
+                   (ref($current) eq 'HASH') &&
+                   (ref($changes) eq 'HASH'));
+    my (@rules,%staticdefaults);
+    if ($prefix eq 'passwords') {
+        @rules = ('min','max','expire','numsaved');
+    } elsif (($prefix eq 'ltisecrets') || ($prefix eq 'toolsecrets')) {
+        @rules = ('min','max');
+    }
+    $staticdefaults{'min'} = $Apache::lonnet::passwdmin;
+    foreach my $rule (@rules) {
+        $env{'form.'.$prefix.'_'.$rule} =~ s/^\s+|\s+$//g;
+        my $ruleok;
+        if ($rule eq 'expire') {
+            if (($env{'form.'.$prefix.'_'.$rule} =~ /^\d+(|\.\d*)$/) &&
+                ($env{'form.'.$prefix.'_'.$rule} ne '0')) {
+                $ruleok = 1;
+            }
+        } elsif ($rule eq 'min') {
+            if ($env{'form.'.$prefix.'_'.$rule} =~ /^\d+$/) {
+                if ($env{'form.'.$prefix.'_'.$rule} >= $staticdefaults{$rule}) {
+                    $ruleok = 1;
+                }
+            }
+        } elsif (($env{'form.'.$prefix.'_'.$rule} =~ /^\d+$/) &&
+                 ($env{'form.'.$prefix.'_'.$rule} ne '0')) {
+            $ruleok = 1;
+        }
+        if ($ruleok) {
+            $newvalues->{$rule} = $env{'form.'.$prefix.'_'.$rule};
+            if (exists($current->{$rule})) {
+                if ($newvalues->{$rule} ne $current->{$rule}) {
+                    $changes->{'rules'} = 1;
+                }
+            } elsif ($rule eq 'min') {
+                if ($staticdefaults{$rule} ne $newvalues->{$rule}) {
+                    $changes->{'rules'} = 1;
+                }
+            } else {
+                $changes->{'rules'} = 1;
+            }
+        } elsif (exists($current->{$rule})) {
+            $changes->{'rules'} = 1;
+        }
+    }
+    my @posschars = &Apache::loncommon::get_env_multiple('form.'.$prefix.'_chars');
+    my @chars;
+    foreach my $item (sort(@posschars)) {
+        if ($item =~ /^(uc|lc|num|spec)$/) {
+            push(@chars,$item);
+        }
+    }
+    $newvalues->{'chars'} = \@chars;
+    unless ($changes->{'rules'}) {
+        if (ref($current->{'chars'}) eq 'ARRAY') {
+            my @diffs = &Apache::loncommon::compare_arrays($current->{'chars'},\@chars);
+            if (@diffs > 0) {
+                $changes->{'rules'} = 1;
+            }
+        } else {
+            if (@chars > 0) {
+                $changes->{'rules'} = 1;
+            }
+        }
+    }
+    return;
+}
+
 sub modify_usercreation {
     my ($dom,%domconfig) = @_;
     my ($resulttext,%curr_usercreation,%changes,%authallowed,%cancreate,%save_usercreate);
@@ -18353,7 +19066,7 @@ sub modify_selfcreation {
                             if (($chosen eq 'inst') || ($chosen eq 'noninst')) {
                                 my $emaildom;
                                 if ($env{'form.cancreate_emaildomain_'.$chosen.'_'.$type} =~ /^\@[^\@]+$/) {
-                                    $emaildom = $env{'form.cancreate_emaildomain_'.$chosen.'_'.$type}; 
+                                    $emaildom = $env{'form.cancreate_emaildomain_'.$chosen.'_'.$type};
                                     $cancreate{'emaildomain'}{$type}{$chosen} = $emaildom;
                                     if (ref($curremaildom{$type}) eq 'HASH') {
                                         if (exists($curremaildom{$type}{$chosen})) {
@@ -18365,7 +19078,7 @@ sub modify_selfcreation {
                                         }
                                     } elsif ($emaildom ne '') {
                                         push(@{$changes{'cancreate'}},'emaildomain');
-                                    } 
+                                    }
                                 }
                                 $cancreate{'emailoptions'}{$type} = $env{'form.cancreate_emailoptions_'.$type};
                             } elsif ($chosen eq 'custom') {
@@ -18792,7 +19505,7 @@ sub modify_selfcreation {
                                                                   );
                         if (@types) {
                             if (@statuses) {
-                                $chgtext .= &mt('Processing of requests to create account with e-mail verification set as follows:'). 
+                                $chgtext .= &mt('Processing of requests to create account with e-mail verification set as follows:').
                                             '<ul>';
                                 foreach my $status (@statuses) {
                                     if ($status eq 'default') {
@@ -18878,7 +19591,7 @@ sub modify_selfcreation {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt('No restriction on e-mail domain').'</li>';
                                             } else {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt("User's e-mail address needs to end: [_1]",
-                                                                                              $cancreate{'emaildomain'}{$type}{'inst'}).'</li>'; 
+                                                                                              $cancreate{'emaildomain'}{$type}{'inst'}).'</li>';
                                             }
                                         }
                                     } elsif ($cancreate{'emailoptions'}{$type} eq 'noninst') {
@@ -18896,7 +19609,7 @@ sub modify_selfcreation {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt('No restriction on e-mail domain').'</li>';
                                             } else {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt("User's e-mail address must not end: [_1]",
-                                                                                                $cancreate{'emaildomain'}{$type}{'noninst'}).'</li>';   
+                                                                                                $cancreate{'emaildomain'}{$type}{'noninst'}).'</li>';
                                             }
                                         }
                                     }
@@ -19000,7 +19713,7 @@ sub modify_selfcreation {
                                 $typename = $othertitle;
                             } else {
                                 $typename = $usertypes{$type};
-                            } 
+                            }
                             $chgtext .= &mt('(Affiliation: [_1])',$typename);
                         }
                         if (@{$email_rule{$type}} > 0) {
@@ -19184,21 +19897,27 @@ sub modify_usermodification {
             }
         }
     }
-    my @contexts = ('author','course');
+    my @contexts = ('author','coauthor','course');
     my %context_title = (
                            author => 'In author context',
+                           coauthor => 'As co-author manager',
                            course => 'In course context',
                         );
     my @fields = ('lastname','firstname','middlename','generation',
                   'permanentemail','id');
     my %roles = (
                   author => ['ca','aa'],
+                  coauthor => ['ca','aa'],
                   course => ['st','ep','ta','in','cr'],
                 );
     my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
     foreach my $context (@contexts) {
+        my $prefix = 'canmodify';
+        if ($context eq 'coauthor') {
+            $prefix = 'cacanmodify';
+        }
         foreach my $role (@{$roles{$context}}) {
-            my @modifiable =  &Apache::loncommon::get_env_multiple('form.canmodify_'.$role);
+            my @modifiable =  &Apache::loncommon::get_env_multiple('form.'.$prefix.'_'.$role);
             foreach my $item (@fields) {
                 if (grep(/^\Q$item\E$/,@modifiable)) {
                     $modifyhash{$context}{$role}{$item} = 1;
@@ -19318,16 +20037,58 @@ sub modify_defaults {
             }
         } elsif ($item eq 'portal_def') {
             if ($newvalues{$item} ne '') {
-                unless ($newvalues{$item} =~ /^https?\:\/\/(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])\/?$/) {
+                if ($newvalues{$item} =~ /^https?\:\/\/(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])\/?$/) {
+                    foreach my $field ('email','web') {
+                        if ($env{'form.'.$item.'_'.$field}) {
+                            $newvalues{$item.'_'.$field} = $env{'form.'.$item.'_'.$field};
+                        }
+                    }
+                } else {
                     push(@errors,$item);
                 }
             }
         }
         if (grep(/^\Q$item\E$/,@errors)) {
             $newvalues{$item} = $domdefaults{$item};
+            if ($item eq 'portal_def') {
+                if ($domdefaults{$item}) {
+                    foreach my $field ('email','web') {
+                        if (exists($domdefaults{$item.'_'.$field})) {
+                            $newvalues{$item.'_'.$field} = $domdefaults{$item.'_'.$field};
+                        }
+                    }
+                }
+            }
         } elsif ($domdefaults{$item} ne $newvalues{$item}) {
             $changes{$item} = 1;
         }
+        if ($item eq 'portal_def') {
+            unless (grep(/^\Q$item\E$/,@errors)) {
+                if ($newvalues{$item} eq '') {
+                    foreach my $field ('email','web') {
+                        if (exists($domdefaults{$item.'_'.$field})) {
+                            delete($domdefaults{$item.'_'.$field});
+                        }
+                    }
+                } else {
+                    unless ($changes{$item}) {
+                        foreach my $field ('email','web') {
+                            if ($domdefaults{$item.'_'.$field} ne $newvalues{$item.'_'.$field}) {
+                                $changes{$item} = 1;
+                                last;
+                            }
+                        }
+                    }
+                    foreach my $field ('email','web') {
+                        if ($newvalues{$item.'_'.$field}) {
+                            $domdefaults{$item.'_'.$field} = $newvalues{$item.'_'.$field};
+                        } elsif (exists($domdefaults{$item.'_'.$field})) {
+                            delete($domdefaults{$item.'_'.$field});
+                        }
+                    }
+                }
+            }
+        }
         $domdefaults{$item} = $newvalues{$item};
     }
     my %staticdefaults = (
@@ -19342,6 +20103,41 @@ sub modify_defaults {
             $newvalues{$item} = $staticdefaults{$item};
         }
     }
+    my ($unamemaprules,$ruleorder);
+    my @possunamemaprules = &Apache::loncommon::get_env_multiple('form.unamemap_rule');
+    if (@possunamemaprules) {
+        ($unamemaprules,$ruleorder) =
+            &Apache::lonnet::inst_userrules($dom,'unamemap');
+        if ((ref($unamemaprules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
+            if (@{$ruleorder} > 0) {
+                my %possrules;
+                map { $possrules{$_} = 1; } @possunamemaprules;
+                foreach my $rule (@{$ruleorder}) {
+                    if ($possrules{$rule}) {
+                        push(@{$newvalues{'unamemap_rule'}},$rule);
+                    }
+                }
+            }
+        }
+    }
+    if (ref($domdefaults{'unamemap_rule'}) eq 'ARRAY') {
+        if (ref($newvalues{'unamemap_rule'}) eq 'ARRAY') {
+            my @rulediffs = &Apache::loncommon::compare_arrays($domdefaults{'unamemap_rule'},
+                                                               $newvalues{'unamemap_rule'});
+            if (@rulediffs) {
+                $changes{'unamemap_rule'} = 1;
+                $domdefaults{'unamemap_rule'} = $newvalues{'unamemap_rule'};
+            }
+        } elsif (@{$domdefaults{'unamemap_rule'}} > 0) {
+            $changes{'unamemap_rule'} = 1;
+            delete($domdefaults{'unamemap_rule'});
+        }
+    } elsif (ref($newvalues{'unamemap_rule'}) eq 'ARRAY') {
+        if (@{$newvalues{'unamemap_rule'}} > 0) {
+            $changes{'unamemap_rule'} = 1;
+            $domdefaults{'unamemap_rule'} = $newvalues{'unamemap_rule'};
+        }
+    }
     my %defaults_hash = (
                          defaults => \%newvalues,
                         );
@@ -19453,9 +20249,29 @@ sub modify_defaults {
                             $resulttext =~ s/, $//;
                             $resulttext .= '</li>';
                         } else {
-                            $resulttext .= '<li>'.&mt('Institutional user status types deleted').'</li>'; 
+                            $resulttext .= '<li>'.&mt('Institutional user status types deleted').'</li>';
                         }
                     }
+                } elsif ($item eq 'unamemap_rule') {
+                    if (ref($newvalues{'unamemap_rule'}) eq 'ARRAY') {
+                        my @rulenames;
+                        if (ref($unamemaprules) eq 'HASH') {
+                            foreach my $rule (@{$newvalues{'unamemap_rule'}}) {
+                                if (ref($unamemaprules->{$rule}) eq 'HASH') {
+                                    push(@rulenames,$unamemaprules->{$rule}->{'name'});
+                                }
+                            }
+                        }
+                        if (@rulenames) {
+                            $resulttext .= '<li>'.&mt('Mapping for missing usernames includes: [_1]',
+                                                     '<ul><li>'.join('</li><li>',@rulenames).'</li></ul>').
+                                           '</li>';
+                        } else {
+                            $resulttext .= '<li>'.&mt('No mapping for missing usernames via standard log-in').'</li>';
+                        }
+                    } else {
+                        $resulttext .= '<li>'.&mt('Mapping for missing usernames via standard log-in deleted').'</li>';
+                    }
                 } else {
                     my $value = $env{'form.'.$item};
                     if ($value eq '') {
@@ -19472,7 +20288,20 @@ sub modify_defaults {
                         $value = $authnames{$shortauth{$value}};
                     }
                     $resulttext .= '<li>'.&mt('[_1] set to "[_2]"',$title->{$item},$value).'</li>';
-                    $mailmsgtext .= "$title->{$item} set to $value\n";  
+                    $mailmsgtext .= "$title->{$item} set to $value\n";
+                    if ($item eq 'portal_def') {
+                        if ($env{'form.'.$item} ne '') {
+                            foreach my $field ('email','web') {
+                                $value = $env{'form.'.$item.'_'.$field};
+                                if ($value) {
+                                    $value = &mt('Yes');
+                                } else {
+                                    $value = &mt('No');
+                                }
+                                $resulttext .= '<li>'.&mt('[_1] set to "[_2]"',$title->{$field},$value).'</li>';
+                            }
+                        }
+                    }
                 }
             }
             $resulttext .= '</ul>';
@@ -19527,12 +20356,15 @@ sub modify_scantron {
                 $error = &mt("Upload of bubblesheet format file is not permitted to this server: [_1]",$switchserver);
             } else {
                 if ($author_ok eq 'ok') {
+                    my $modified = [];
                     my ($result,$scantronurl) =
-                        &publishlogo($r,'upload','scantronformat',$dom,
-                                     $confname,'scantron','','',$custom);
+                        &Apache::lonconfigsettings::publishlogo($r,'upload','scantronformat',$dom,
+                                                                $confname,'scantron','','',$custom,
+                                                                $modified);
                     if ($result eq 'ok') {
                         $confhash{'scantron'}{'scantronformat'} = $scantronurl;
                         $changes{'scantronformat'} = 1;
+                        &update_modify_urls($r,$modified);
                     } else {
                         $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$custom,$result);
                     }
@@ -20447,24 +21279,35 @@ sub modify_coursedefaults {
                            'uselcmath'       => 'on',
                            'usejsme'         => 'on',
                            'inline_chem'     => 'on',
+                           'ltiauth'         => 'off',
                          );
-    my @toggles = ('canuse_pdfforms','uselcmath','usejsme','inline_chem');
+    my @toggles = ('canuse_pdfforms','uselcmath','usejsme','inline_chem','ltiauth');
     my @numbers = ('anonsurvey_threshold','uploadquota_official','uploadquota_unofficial',
                    'uploadquota_community','uploadquota_textbook','uploadquota_placement',
-                   'mysqltables_official','mysqltables_unofficial','mysqltables_community',
-                   'mysqltables_textbook','mysqltables_placement');
+                   'coursequota_official','coursequota_unofficial','coursequota_community',
+                   'coursequota_textbook','coursequota_placement','mysqltables_official',
+                   'mysqltables_unofficial','mysqltables_community','mysqltables_textbook',
+                   'mysqltables_placement');
     my @types = ('official','unofficial','community','textbook','placement');
     my %staticdefaults = (
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
+                           coursequota          => 20,
                            postsubmit           => 60,
                            mysqltables          => 172800,
+                           domexttool           => 1,
+                           crsauthor            => 1,
+                           crseditors           => ['edit','xml'],
                          );
     my %texoptions = (
                         MathJax  => 'MathJax',
                         mimetex  => &mt('Convert to Images'),
                         tth      => &mt('TeX to HTML'),
                      );
+
+    my @editors = ('edit','xml','daxe');
+    my %editornames = &crseditor_titles();
+
     $defaultshash{'coursedefaults'} = {};
 
     if (ref($domconfig{'coursedefaults'}) ne 'HASH') {
@@ -20503,7 +21346,7 @@ sub modify_coursedefaults {
                 }
                 $defaultshash{'coursedefaults'}{$item} = $newdef;
             } else {
-                my ($setting,$type) = ($item =~ /^(uploadquota|mysqltables)_(\w+)$/);
+                my ($setting,$type) = ($item =~ /^(uploadquota|coursequota|mysqltables)_(\w+)$/);
                 if (ref($domconfig{'coursedefaults'}{$setting}) eq 'HASH') {
                     $currdef = $domconfig{'coursedefaults'}{$setting}{$type};
                 }
@@ -20515,7 +21358,7 @@ sub modify_coursedefaults {
                     unless (($currdef eq '') && ($newdef == $staticdefaults{$item})) {
                         $changes{$item} = 1;
                     }
-                } elsif ($item =~ /^(uploadquota|mysqltables)_/) {
+                } elsif ($item =~ /^(uploadquota|coursequota|mysqltables)_/) {
                     my $setting = $1;
                     unless (($currdef eq '') && ($newdef == $staticdefaults{$setting})) {
                         $changes{$setting} = 1;
@@ -20650,6 +21493,90 @@ sub modify_coursedefaults {
                 $changes{'postsubmit'} = 1;
             }
         }
+        my (%newdomexttool,%newexttool,%newcrsauthor,%olddomexttool,%oldexttool,%oldcrsauthor,
+            %posscrseditors);
+        map { $newdomexttool{$_} = 1; } &Apache::loncommon::get_env_multiple('form.domexttool');
+        map { $newexttool{$_} = 1; } &Apache::loncommon::get_env_multiple('form.exttool');
+        map { $newcrsauthor{$_} = 1; } &Apache::loncommon::get_env_multiple('form.crsauthor');
+        map { $posscrseditors{$_} = 1; } &Apache::loncommon::get_env_multiple('form.crseditors');
+        if (ref($domconfig{'coursedefaults'}{'domexttool'}) eq 'HASH') {
+            %olddomexttool = %{$domconfig{'coursedefaults'}{'domexttool'}};
+        } else {
+           foreach my $type (@types) {
+               if ($staticdefaults{'domexttool'}) {
+                   $olddomexttool{$type} = 1;
+               } else {
+                   $olddomexttool{$type} = 0;
+               }
+            }
+        }
+        if (ref($domconfig{'coursedefaults'}{'exttool'}) eq 'HASH') {
+            %oldexttool = %{$domconfig{'coursedefaults'}{'exttool'}};
+        } else {
+            foreach my $type (@types) {
+               if ($staticdefaults{'exttool'}) {
+                   $oldexttool{$type} = 1;
+               } else {
+                   $oldexttool{$type} = 0;
+               }
+            }
+        }
+        if (ref($domconfig{'coursedefaults'}{'crsauthor'}) eq 'HASH') {
+            %oldcrsauthor = %{$domconfig{'coursedefaults'}{'crsauthor'}};
+        } else {
+            foreach my $type (@types) {
+               if ($staticdefaults{'crsauthor'}) {
+                   $oldcrsauthor{$type} = 1;
+               } else {
+                   $oldcrsauthor{$type} = 0;
+               }
+            }
+        }
+        my @newcrseditors = ();
+        foreach my $editor (@editors) {
+            if ($posscrseditors{$editor}) {
+                push(@newcrseditors,$editor);
+            }
+        }
+        if (ref($domconfig{'coursedefaults'}{'crseditors'}) eq 'ARRAY') {
+            my @diffs =
+                &Apache::loncommon::compare_arrays($domconfig{'coursedefaults'}{'crseditors'},
+                                                   \@newcrseditors);
+            if (@diffs) {
+                $changes{'crseditors'} = 1; 
+            }
+        } else {
+            my @diffs =
+                &Apache::loncommon::compare_arrays($staticdefaults{'crseditors'},
+                                                   \@newcrseditors);
+            unless (@diffs == 0) {
+                $changes{'crseditors'} = 1;
+            }       
+        }
+        foreach my $type (@types) {
+            unless ($newdomexttool{$type}) {
+                $newdomexttool{$type} = 0;
+            }
+            unless ($newexttool{$type}) {
+                $newexttool{$type} = 0;
+            }
+            unless ($newcrsauthor{$type}) {
+                $newcrsauthor{$type} = 0;
+            }
+            if ($newdomexttool{$type} != $olddomexttool{$type}) {
+                $changes{'domexttool'} = 1;
+            }
+            if ($newexttool{$type} != $oldexttool{$type}) {
+                $changes{'exttool'} = 1;
+            }
+            if ($newcrsauthor{$type} != $oldcrsauthor{$type}) {
+                $changes{'crsauthor'} = 1;
+            }
+        }
+        $defaultshash{'coursedefaults'}{'domexttool'} = \%newdomexttool;
+        $defaultshash{'coursedefaults'}{'exttool'} = \%newexttool;
+        $defaultshash{'coursedefaults'}{'crsauthor'} = \%newcrsauthor;
+        $defaultshash{'coursedefaults'}{'crseditors'} = \@newcrseditors;
     }
     my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
                                              $dom);
@@ -20659,8 +21586,10 @@ sub modify_coursedefaults {
             if (($changes{'canuse_pdfforms'}) || ($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
                 ($changes{'coursecredits'}) || ($changes{'uselcmath'}) || ($changes{'usejsme'}) ||
                 ($changes{'canclone'}) || ($changes{'mysqltables'}) || ($changes{'texengine'}) ||
-                ($changes{'inline_chem'})) {
-                foreach my $item ('canuse_pdfforms','uselcmath','usejsme','inline_chem','texengine') {
+                ($changes{'inline_chem'}) || ($changes{'ltiauth'}) || ($changes{'domexttool'}) ||
+                ($changes{'exttool'}) || ($changes{'coursequota'}) || ($changes{'crsauthor'})) {
+                foreach my $item ('canuse_pdfforms','uselcmath','usejsme','inline_chem','texengine',
+                                  'ltiauth') {
                     if ($changes{$item}) {
                         $domdefaults{$item}=$defaultshash{'coursedefaults'}{$item};
                     }
@@ -20691,6 +21620,13 @@ sub modify_coursedefaults {
                         }
                     }
                 }
+                if ($changes{'coursequota'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'coursequota'}) eq 'HASH') {
+                        foreach my $type (@types) {
+                            $domdefaults{$type.'coursequota'}=$defaultshash{'coursedefaults'}{'coursequota'}{$type};
+                        }
+                    }
+                }
                 if ($changes{'canclone'}) {
                     if (ref($defaultshash{'coursedefaults'}{'canclone'}) eq 'HASH') {
                         if (ref($defaultshash{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
@@ -20703,6 +21639,32 @@ sub modify_coursedefaults {
                         $domdefaults{'canclone'}=$defaultshash{'coursedefaults'}{'canclone'};
                     }
                 }
+                if ($changes{'domexttool'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'domexttool'}) eq 'HASH') {
+                        foreach my $type (@types) {
+                            $domdefaults{$type.'domexttool'}=$defaultshash{'coursedefaults'}{'domexttool'}{$type};
+                        }
+                    }
+                }
+                if ($changes{'exttool'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'exttool'}) eq 'HASH') {
+                        foreach my $type (@types) {
+                            $domdefaults{$type.'exttool'}=$defaultshash{'coursedefaults'}{'exttool'}{$type};
+                        }
+                    }
+                }
+                if ($changes{'crsauthor'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'crsauthor'}) eq 'HASH') {
+                        foreach my $type (@types) {
+                            $domdefaults{$type.'crsauthor'}=$defaultshash{'coursedefaults'}{'crsauthor'}{$type};
+                        }
+                    }
+                }
+                if ($changes{'crseditors'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'crseditors'}) eq 'ARRAY') {
+                        $domdefaults{'crseditors'}=join(',',@{$defaultshash{'coursedefaults'}{'crseditors'}});
+                    }
+                }
                 my $cachetime = 24*60*60;
                 &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
                 if (ref($lastactref) eq 'HASH') {
@@ -20755,6 +21717,19 @@ sub modify_coursedefaults {
                     } else {
                         $resulttext .= '<li>'.&mt('Default quota for content uploaded via Course Editor remains default: [_1] MB',$staticdefaults{'uploadquota'}).'</li>';
                     }
+                } elsif ($item eq 'coursequota') {
+                    if (ref($defaultshash{'coursedefaults'}{'coursequota'}) eq 'HASH') {
+                        $resulttext .= '<li>'.&mt('Default cumulative quota for all group portfolio spaces in course set as follows:').'<ul>'.
+                                       '<li>'.&mt('Official courses: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'coursequota'}{'official'}.'</b>').'</li>'.
+                                       '<li>'.&mt('Unofficial courses: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'coursequota'}{'unofficial'}.'</b>').'</li>'.
+                                       '<li>'.&mt('Textbook courses: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'coursequota'}{'textbook'}.'</b>').'</li>'.
+                                       '<li>'.&mt('Placement tests: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'coursequota'}{'placement'}.'</b>').'</li>'.
+                                       '<li>'.&mt('Communities: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'coursequota'}{'community'}.'</b>').'</li>'.
+                                       '</ul>'.
+                                       '</li>';
+                    } else {
+                        $resulttext .= '<li>'.&mt('Default cumulative quota for all group portfolio spaces in course remains default: [_1] MB',$staticdefaults{'coursequota'}).'</li>';
+                    }
                 } elsif ($item eq 'mysqltables') {
                     if (ref($defaultshash{'coursedefaults'}{'mysqltables'}) eq 'HASH') {
                         $resulttext .= '<li>'.&mt('Lifetime of "Temporary" MySQL tables (student performance data) on homeserver').'<ul>'.
@@ -20834,6 +21809,51 @@ sub modify_coursedefaults {
                     } else {
                         $resulttext .= '<li>'.&mt('By default, only course owner and coordinators may clone a course.').'</li>';
                     }
+                } elsif ($item eq 'ltiauth') {
+                    if ($env{'form.'.$item} eq '1') {
+                        $resulttext .= '<li>'.&mt('LTI launch of deep-linked URL need not require re-authentication').'</li>';
+                    } else {
+                        $resulttext .= '<li>'.&mt('LTI launch of deep-linked URL will require re-authentication').'</li>';
+                    }
+                } elsif (($item eq 'domexttool') || ($item eq 'exttool') || ($item eq 'crsauthor')) {
+                    my @noyes = (&mt('no'),&mt('yes'));
+                    my %status = (
+                                   domexttool => {
+                                                  ishash => &mt('External Tools defined in the domain may be used as follows:'), 
+                                                  default => &mt('External Tools defined in the domain may be used in all course types, by default'),
+                                                 },
+                                   exttool => {
+                                                  ishash => &mt('External Tools can be defined and configured in course containers as follows:'),
+                                                  default => &mt('External Tools can not be defined in any course types, by default'),
+                                              },
+                                   crsauthor => {
+                                                  ishash => &mt('Standard Problems can be created within course containers as follows:'),
+                                                  default => &mt('Standard Problems can be created within any course type, by default'),
+                                                },
+                                 );
+                                   
+                    if (ref($defaultshash{'coursedefaults'}{$item}) eq 'HASH') {
+                        $resulttext .= '<li>'.$status{$item}{'ishash'}.'<ul>'.
+                                       '<li>'.&mt('Official courses: [_1]','<b>'.$noyes[$defaultshash{'coursedefaults'}{$item}{'official'}].'</b>').'</li>'.
+                                       '<li>'.&mt('Unofficial courses: [_1]','<b>'.$noyes[$defaultshash{'coursedefaults'}{$item}{'unofficial'}].'</b>').'</li>'.
+                                       '<li>'.&mt('Textbook courses: [_1]','<b>'.$noyes[$defaultshash{'coursedefaults'}{$item}{'textbook'}].'</b>').'</li>'.
+                                       '<li>'.&mt('Placement tests: [_1]','<b>'.$noyes[$defaultshash{'coursedefaults'}{$item}{'placement'}].'</b>').'</li>'.
+                                       '<li>'.&mt('Communities: [_1]','<b>'.$noyes[$defaultshash{'coursedefaults'}{$item}{'community'}].'</b>').'</li>'.
+                                       '</ul>'.
+                                       '</li>';
+                    } else {
+                        $resulttext .= '<li>'.$status{$item}{'default'}.'</li>';
+                    }
+                } elsif ($item eq 'crseditors') {
+                    if (ref($defaultshash{'coursedefaults'}{$item}) eq 'ARRAY') {
+                        my $shown;
+                        if (@{$defaultshash{'coursedefaults'}{$item}}) {
+                            $shown = join(', ', map { $editornames{$_} } @{$defaultshash{'coursedefaults'}{$item}});
+                        } else {
+                            $shown = &mt('None');
+                        }
+                        $resulttext .= '<li>'.&mt('Available editors for course/community resources: [_1]',$shown).'</li>';
+                    }
                 }
             }
             $resulttext .= '</ul>';
@@ -21227,7 +22247,7 @@ sub modify_wafproxy {
                 }
             } elsif ($currvalue{$item}) {
                 $changes{$item} = 1;
-            } 
+            }
         }
     } else {
         if (keys(%curralias)) {
@@ -21235,7 +22255,7 @@ sub modify_wafproxy {
         }
         if (keys(%currsaml)) {
             $changes{'saml'} = 1;
-        } 
+        }
         if (keys(%currvalue)) {
             foreach my $key (keys(%currvalue)) {
                 $changes{$key} = 1;
@@ -21245,7 +22265,7 @@ sub modify_wafproxy {
     if (keys(%changes)) {
         my %defaultshash = (
                               wafproxy => \%wafproxy,
-                           ); 
+                           );
         my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
                                                  $dom);
         if ($putresult eq 'ok') {
@@ -21261,7 +22281,7 @@ sub modify_wafproxy {
                         $domdefaults{'waf_'.$item} = $wafproxy{$item};
                     } elsif (exists($domdefaults{'waf_'.$item})) {
                         delete($domdefaults{'waf_'.$item});
-                    } 
+                    }
                 }
             }
             if ($updatedomdefs) {
@@ -21328,7 +22348,7 @@ sub modify_wafproxy {
                             $output .= '<li>'.&mt('Aliases deleted for hostnames').'</li>';
                         }
                     } elsif ($item eq 'saml') {
-                        my $shown; 
+                        my $shown;
                         if (ref($wafproxy{'saml'}) eq 'HASH') {
                             if (keys(%{$wafproxy{'saml'}})) {
                                 $shown = join(', ',sort(keys(%{$wafproxy{'saml'}})));
@@ -21392,6 +22412,7 @@ sub modify_wafproxy {
                     }
                 }
             }
+            $output .= '</ul>';
         } else {
             $output = '<span class="LC_error">'.
                       &mt('An error occurred: [_1]',$putresult).'</span>';
@@ -21657,7 +22678,7 @@ sub modify_usersessions {
                 if (($offload eq 'offloadoth') && (@okoffloadoth)) {
                     $changes{'offloadoth'} = 1;
                 }
-            } 
+            }
         }
     } else {
         if (@okoffload) {
@@ -22074,8 +23095,10 @@ sub modify_trust {
             }
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+            &Apache::lonnet::do_cache_new('trust',$dom,$defaultshash{'trust'},3600);
             if (ref($lastactref) eq 'HASH') {
                 $lastactref->{'domdefaults'} = 1;
+                $lastactref->{'trust'} = 1;
             }
             if (keys(%changes) > 0) {
                 my %lt = &trust_titles();
@@ -22193,7 +23216,7 @@ sub modify_loadbalancing {
         }
         if ($env{'form.loadbalancing_cookie_'.$i}) {
             $defaultshash{'loadbalancing'}{$balancer}{'cookie'} = 1;
-            if (exists($currbalancer{$balancer})) { 
+            if (exists($currbalancer{$balancer})) {
                 unless ($currcookies{$balancer}) {
                     $changes{'curr'}{$balancer}{'cookie'} = 1;
                 }
@@ -22879,7 +23902,6 @@ function balancerChange(balnum,baltotal,
 END
 }
 
-
 sub new_spares_js {
     my @sparestypes = ('primary','default');
     my $types = join("','",@sparestypes);
@@ -23144,7 +24166,7 @@ sub devalidate_remote_domconfs {
     map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
     my @posscached = ('domainconfig','domdefaults','ltitools','usersessions',
                       'directorysrch','passwdconf','cats','proxyalias','proxysaml',
-                      'ipaccess');
+                      'ipaccess','trust');
     my %cache_by_lonhost;
     if (exists($cachekeys->{'samllanding'})) {
         if (ref($cachekeys->{'samllanding'}) eq 'HASH') {