--- loncom/lond	2016/09/24 19:16:57	1.489.2.23
+++ loncom/lond	2016/09/27 16:30:24	1.489.2.25
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.489.2.23 2016/09/24 19:16:57 raeburn Exp $
+# $Id: lond,v 1.489.2.25 2016/09/27 16:30:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -64,7 +64,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.489.2.23 $'; #' stupid emacs
+my $VERSION='$Revision: 1.489.2.25 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1429,7 +1429,7 @@ sub du2_handler {
 #    If the requested path contains /../ or is:
 #
 #    1. for a directory, and the path does not begin with one of:
-#        (a) /home/httpd/html/res/<domain>/
+#        (a) /home/httpd/html/res/<domain>
 #        (b) /home/httpd/html/res/userfiles/
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
 #    or is:
@@ -1466,7 +1466,7 @@ sub ls_handler {
     }
     if (-e $ulsdir) {
 	if(-d $ulsdir) {
-            unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles)/}) ||
+            unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) {
                 &Failure($client,"refused\n",$userinput);
                 return 1;
@@ -1526,7 +1526,7 @@ sub ls_handler {
 #    If the requested path contains /../ or is:
 #
 #    1. for a directory, and the path does not begin with one of:
-#        (a) /home/httpd/html/res/<domain>/
+#        (a) /home/httpd/html/res/<domain>
 #        (b) /home/httpd/html/res/userfiles/
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
 #    or is:
@@ -1562,7 +1562,7 @@ sub ls2_handler {
     }
     if (-e $ulsdir) {
         if(-d $ulsdir) {
-            unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles)/}) ||
+            unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) {
                 &Failure($client,"refused\n","$userinput");
                 return 1;
@@ -1615,7 +1615,7 @@ sub ls2_handler {
 #    If the requested path (after prepending) contains /../ or is:
 #
 #    1. for a directory, and the path does not begin with one of:
-#        (a) /home/httpd/html/res/<domain>/
+#        (a) /home/httpd/html/res/<domain>
 #        (b) /home/httpd/html/res/userfiles/
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
 #        (d) /home/httpd/html/priv/<domain>/ and client is the homeserver
@@ -1700,7 +1700,7 @@ sub ls3_handler {
     if (-e $ulsdir) {
         if(-d $ulsdir) {
             unless (($getpropath) || ($getuserdir) ||
-                    ($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles)/}) ||
+                    ($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/}) ||
                     (($ulsdir =~ m{/home/httpd/html/priv/$LONCAPA::match_domain/}) && ($islocal))) {
                 &Failure($client,"refused\n",$userinput);
@@ -5463,7 +5463,7 @@ sub auto_export_grades_handler {
 #    $cmd      - The command that got us dispatched.
 #    $tail     - The tail of the command.  In our case this is a colon 
 #                separated list that will be split into:
-#                $filename - The name of the file to remove.
+#                $filename - The name of the file to retrieve.
 #                            The filename is given as a path relative to
 #                            the LonCAPA temp file directory.
 #    $client   - Socket open on the client.
@@ -5479,6 +5479,8 @@ sub retrieve_auto_file_handler {
     my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
     if ($filename =~m{/\.\./}) {
         &Failure($client, "refused\n", $userinput);
+    } elsif ($filename !~ /^$LONCAPA::match_domain\_$LONCAPA::match_courseid\_.+_classlist\.xml$/) {
+        &Failure($client, "refused\n", $userinput);
     } elsif ( (-e $source) && ($filename ne '') ) {
 	my $reply = '';
 	if (open(my $fh,$source)) {