--- loncom/lond	2009/03/03 12:08:07	1.412
+++ loncom/lond	2009/05/08 12:02:39	1.415
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.412 2009/03/03 12:08:07 foxr Exp $
+# $Id: lond,v 1.415 2009/05/08 12:02:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -54,12 +54,12 @@ use LONCAPA::lonssl;
 use Fcntl qw(:flock);
 use Apache::lonnet;
 
-my $DEBUG = 1;		       # Non zero to enable debug log entries.
+my $DEBUG = 0;		       # Non zero to enable debug log entries.
 
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.412 $'; #' stupid emacs
+my $VERSION='$Revision: 1.415 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1645,6 +1645,14 @@ sub server_timezone_handler {
 }
 &register_handler("servertimezone", \&server_timezone_handler, 0, 1, 0);
 
+sub server_loncaparev_handler {
+    my ($cmd,$tail,$client) = @_;
+    my $userinput = "$cmd:$tail";
+    &Reply($client,\$perlvar{'lonVersion'},$userinput);
+    return 1;
+}
+&register_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0);
+
 #   Process a reinit request.  Reinit requests that either
 #   lonc or lond be reinitialized so that an updated 
 #   host.tab or domain.tab can be processed.
@@ -4335,12 +4343,12 @@ sub dump_domainroles_handler {
             my ($start,$end) = split(/:/,&unescape($value));
             my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,&unescape($key));
             unless ($startfilter eq '.' || !defined($startfilter)) {
-                if ($start >= $startfilter) {
+                if ((defined($start)) && ($start >= $startfilter)) {
                     $match = 0;
                 }
             }
             unless ($endfilter eq '.' || !defined($endfilter)) {
-                if ($end <= $endfilter) {
+                if ((defined($end)) && ($end <= $endfilter)) {
                     $match = 0;
                 }
             }