--- loncom/auth/lontokacc.pm	2002/08/01 22:36:11	1.4
+++ loncom/auth/lontokacc.pm	2005/02/06 07:23:40	1.12
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Access Handler for User File Transfers
 #
-# $Id: lontokacc.pm,v 1.4 2002/08/01 22:36:11 www Exp $
+# $Id: lontokacc.pm,v 1.12 2005/02/06 07:23:40 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,12 +33,18 @@ use Apache::Constants qw(:common :remote
 use Apache::lonnet();
 use Apache::File();
 
+
 sub handler {
     my $r = shift;
-    my $reqhost;
-    unless ($reqhost=$r->get_remote_host(REMOTE_DOUBLE_REV)) {
-       $r->log_reason("Spoof request");
-       return FORBIDDEN;
+    my $reqhost = $r->get_remote_host(REMOTE_NOLOOKUP);
+    my $netaddr=inet_aton($reqhost);
+    ($reqhost) = gethostbyaddr($netaddr,AF_INET);
+    if (!$reqhost) {
+	$r->log_reason("Unable to do hostname $reqhost lookup for ".$r->get_remote_host(REMOTE_NOLOOKUP));
+	return FORBIDDEN;
+    }
+    if ($reqhost eq 'localhost.localdomain') {
+       return OK;
     }
     my $readline;
     my $lontabdir=$r->dir_config('lonTabDir');
@@ -49,8 +55,11 @@ sub handler {
           return FORBIDDEN;
        }
        while ($readline=<$fh>) {
-          my ($id,$domain,$role,$name,$ip)=split(/:/,$readline);
-          if ($name =~ /$reqhost/i) { return OK; }
+	   $readline=~s/\s*$//;
+	   my ($id,$domain,$role,$name)=split(/:/,$readline);
+	   if ($name =~ /\Q$reqhost\E/i) {
+	       return OK; 
+	   }
        }
 
     }
@@ -59,6 +68,15 @@ sub handler {
     return FORBIDDEN;
 }
 
+sub removefile {
+    my $r=shift;
+    if ($r->status==200) {
+        unlink($r->filename);
+	#&Apache::lonnet::logthis('Unlinking '.$r->filename);
+    } else {
+        &Apache::lonnet::logthis('Failed to transfer '.$r->filename);
+    }
+}
 1;
 __END__