--- loncom/lonnet/perl/lonnet.pm	2002/10/07 20:24:38	1.293
+++ loncom/lonnet/perl/lonnet.pm	2002/10/09 17:24:06	1.294
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.293 2002/10/07 20:24:38 matthew Exp $
+# $Id: lonnet.pm,v 1.294 2002/10/09 17:24:06 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -86,6 +86,8 @@ use GDBM_File;
 use Apache::Constants qw(:common :http);
 use HTML::LCParser;
 use Fcntl qw(:flock);
+use Apache::loncoursedata;
+
 my $readit;
 
 # --------------------------------------------------------------------- Logging
@@ -2320,10 +2322,24 @@ sub modifystudent {
 	return 'error: no such user';
     }
 # -------------------------------------------------- Add student to course list
+    if ($first eq '' || $last eq '' || $uid eq '') {
+        # They did not supply us with enough data to enroll the student, so
+        # we need to pick up more information.
+        my %tmp = dump('environment',$udom,$uname,
+                       ['firstname','middlename','lastname', 'generation','id']
+                       );
+        $first  = $tmp{'firstname'}  if (!defined($first)  || $first  eq '');
+        $middle = $tmp{'middlename'} if (!defined($middle) || $middle eq '');
+        $last   = $tmp{'lastname'}   if (!defined($last)   || $last eq '');
+        $gene   = $tmp{'genename'}   if (!defined($gene)   || $gene eq '');
+        $uid    = $tmp{'id'}         if (!defined($uid)    || $uid  eq '');
+    }
+    my $fullname = &Apache::loncoursedata::ProcessFullName($last,$gene,
+                                                           $first,$middle);
     $reply=critical('put:'.$ENV{'course.'.$cid.'.domain'}.':'.
 	              $ENV{'course.'.$cid.'.num'}.':classlist:'.
                       &escape($uname.':'.$udom).'='.
-                      &escape($end.':'.$start),
+                      &escape(join(':',$end,$start,$uid,$usec,$fullname)),
 	              $ENV{'course.'.$cid.'.home'});
     unless (($reply eq 'ok') || ($reply eq 'delayed')) {
 	return 'error: '.$reply;