--- loncom/interface/lonuserutils.pm	2016/04/02 04:30:21	1.173
+++ loncom/interface/lonuserutils.pm	2016/07/24 14:34:59	1.174
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.173 2016/04/02 04:30:21 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.174 2016/07/24 14:34:59 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,6 +36,7 @@ use Apache::loncommon();
 use Apache::lonhtmlcommon;
 use Apache::lonlocal;
 use Apache::longroup;
+use HTML::Entities;
 use LONCAPA qw(:DEFAULT :match);
 
 ###############################################################
@@ -2413,6 +2414,7 @@ sub make_keylist_array {
     $index->{'photo'} = &Apache::loncoursedata::CL_PHOTO();
     $index->{'thumbnail'} = &Apache::loncoursedata::CL_THUMBNAIL();
     $index->{'credits'} = &Apache::loncoursedata::CL_CREDITS();
+    $index->{'instsec'} = &Apache::loncoursedata::CL_INSTSEC();
     $index->{'authorquota'} = &Apache::loncoursedata::CL_AUTHORQUOTA();
     $index->{'authorusage'} = &Apache::loncoursedata::CL_AUTHORUSAGE();
     foreach my $key (keys(%{$index})) {
@@ -3056,13 +3058,14 @@ END
                                 if ($role eq 'st') {
                                     $checkval .= ':'.$in{'type'}.':'.
                                                  $in{'lockedtype'}.':'.
-                                                 $in{'credits'};
+                                                 $in{'credits'}.':'.
+                                                 &escape($in{'instsec'});
                                 }
                              }
                         }
                         if ($showcheckbox) {
                             $r->print('<td><input type="checkbox" name="'.
-                                      'actionlist" value="'.$checkval.'" /></td>');
+                                      'actionlist" value="'.&HTML::Entities::encode($checkval,'&<>"').'" /></td>');
                         } else {
                             $r->print('<td>&nbsp;</td>');
                         }
@@ -3077,7 +3080,7 @@ END
                 if ($item eq 'username') {
                     $r->print('<td>'.&print_username_link($mode,\%in).'</td>');
                 } elsif (($item eq 'start' || $item eq 'end') && ($actionselect)) {
-                    $r->print('<td>'.$in{$item}.'<input type="hidden" name="'.$checkval.'_'.$item.'" value="'.$sdata->[$index{$item}].'" /></td>'."\n");
+                    $r->print('<td>'.$in{$item}.'<input type="hidden" name="'.&HTML::Entities::encode($checkval.'_'.$item.'" value="'.$sdata->[$index{$item}],'&<>"').'" /></td>'."\n");
                 } elsif ($item eq 'status') {
                     my $showitem = $in{$item};
                     if (defined($ltstatus{$in{$item}})) {
@@ -4980,7 +4983,7 @@ sub update_user_list {
     foreach my $item (@changelist) {
         my ($role,$uname,$udom,$cid,$sec,$scope,$result,$type,$locktype,
             @sections,$scopestem,$singlesec,$showsecs,$warn_singlesec,
-            $nothingtodo,$keepnosection,$credits);
+            $nothingtodo,$keepnosection,$credits,$instsec);
         if ($choice eq 'drop') {
             ($uname,$udom,$sec) = split(/:/,$item,-1);
             $role = 'st';
@@ -4993,8 +4996,9 @@ sub update_user_list {
                 $scope = $scopestem.'/'.$sec;
             }
         } elsif ($context eq 'course') {
-            ($uname,$udom,$role,$sec,$type,$locktype,$credits) =
-                split(/\:/,$item);
+            ($uname,$udom,$role,$sec,$type,$locktype,$credits,$instsec) =
+                split(/\:/,$item,8);
+            $instsec = &unescape($instsec);
             $cid = $env{'request.course.id'};
             $scopestem = '/'.$cid;
             $scopestem =~s/\_/\//g;
@@ -5013,8 +5017,9 @@ sub update_user_list {
             } elsif ($setting eq 'author') { 
                 ($uname,$udom,$role,$scope) = split(/\:/,$item);
             } elsif ($setting eq 'course') {
-                ($uname,$udom,$role,$cid,$sec,$type,$locktype,$credits) = 
-                    split(/\:/,$item);
+                ($uname,$udom,$role,$cid,$sec,$type,$locktype,$credits,$instsec) = 
+                    split(/\:/,$item,9);
+                $instsec = &unescape($instsec);
                 $scope = '/'.$cid;
                 $scope =~s/\_/\//g;
                 if ($sec ne '') {
@@ -5036,7 +5041,7 @@ sub update_user_list {
             $end = $now; 
             if ($role eq 'st') {
                 $result = 
-                    &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
+                    &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
             } else {
                 $result = 
                     &Apache::lonnet::revokerole($udom,$uname,$scope,$role,
@@ -5044,7 +5049,7 @@ sub update_user_list {
             }
         } elsif ($choice eq 'delete') {
             if ($role eq 'st') {
-                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid,'',$context,$credits);
+                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
             }
             $result =
                 &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$now,
@@ -5057,7 +5062,7 @@ sub update_user_list {
             }
             if ($choice eq 'reenable') {
                 if ($role eq 'st') {
-                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
                 } else {
                     $result = 
                         &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
@@ -5065,14 +5070,14 @@ sub update_user_list {
                 }
             } elsif ($choice eq 'activate') {
                 if ($role eq 'st') {
-                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
                 } else {
                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
                                             $now,'','',$context);
                 }
             } elsif ($choice eq 'chgdates') {
                 if ($role eq 'st') {
-                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
                 } else {
                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
                                                 $start,'','',$context);
@@ -5142,7 +5147,7 @@ sub update_user_list {
                     } else {
                         if ($role eq 'st') {
                             $result = 
-                                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid,'',$context,$credits);
+                                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
                         } else {
                             my $newscope = $scopestem;
                             $result = &Apache::lonnet::assignrole($udom,$uname,$newscope,$role,$end,$start,'','',$context);
@@ -5156,7 +5161,7 @@ sub update_user_list {
                     foreach my $newsec (@newsecs) {
                         if (!grep(/^\Q$newsec\E$/,@retained)) {
                             if ($role eq 'st') {
-                                $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$newsec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
+                                $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$newsec,$end,$start,$type,$locktype,$cid,'',$context,$credits,$instsec);
                                 if (@newsecs > 1) {
                                     my $showsingle; 
                                     if ($newsec eq '') {