--- loncom/lond	2017/06/06 20:04:14	1.489.2.28
+++ loncom/lond	2019/07/26 20:19:35	1.489.2.31
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.489.2.28 2017/06/06 20:04:14 raeburn Exp $
+# $Id: lond,v 1.489.2.31 2019/07/26 20:19:35 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: 1.489.2.28 $'; #' stupid emacs
+my $VERSION='$Revision: 1.489.2.31 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1796,7 +1796,7 @@ sub read_lonnet_global {
                 }
                 if ($what eq 'perlvar') {
                     if (!exists($packagevars{$what}{'lonBalancer'})) {
-                        if ($dist =~ /^(centos|rhes|fedora|scientific)/) {
+                        if ($dist =~ /^(centos|rhes|fedora|scientific|oracle)/) {
                             my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');
                             if (ref($othervarref) eq 'HASH') {
                                 $items->{'lonBalancer'} = $othervarref->{'lonBalancer'};
@@ -2429,8 +2429,12 @@ sub update_resource_handler {
 		}
 		alarm(0);
 		if ($response->is_error()) {
-# FIXME: we should probably clean up here instead of just whine
-		    unlink($transname);
+                    my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");
+                    &devalidate_meta_cache($fname);
+                    if (-e $transname) {
+                        unlink($transname);
+                    }
+                    unlink($fname);
 		    my $message=$response->status_line;
 		    &logthis("LWP GET: $message for $fname ($remoteurl)");
 		} else {
@@ -5388,9 +5392,10 @@ sub validate_course_section_handler {
 # Formal Parameters:
 #    $cmd     - The command request that got us dispatched.
 #    $tail    - The tail of the command.   In this case this is a colon separated
-#               set of words that will be split into:
+#               set of values that will be split into:
 #               $inst_class  - Institutional code for the specific class section   
-#               $courseowner - The escaped username:domain of the course owner 
+#               $ownerlist   - An escaped comma-separated list of username:domain
+#                              of the course owner, and co-owner(s).
 #               $cdom        - The domain of the course from the institution's
 #                              point of view.
 #    $client  - The socket open on the client.
@@ -5415,6 +5420,56 @@ sub validate_class_access_handler {
 &register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);
 
 #
+#   Validate course owner or co-owners(s) access to enrollment data for all sections
+#   and crosslistings for a particular course.
+#
+#
+# Formal Parameters:
+#    $cmd     - The command request that got us dispatched.
+#    $tail    - The tail of the command.   In this case this is a colon separated
+#               set of values that will be split into:
+#               $ownerlist   - An escaped comma-separated list of username:domain
+#                              of the course owner, and co-owner(s).
+#               $cdom        - The domain of the course from the institution's
+#                              point of view.
+#               $classes     - Frozen hash of institutional course sections and
+#                              crosslistings.
+#    $client  - The socket open on the client.
+# Returns:
+#    1 - continue processing.
+#
+
+sub validate_classes_handler {
+    my ($cmd, $tail, $client) = @_;
+    my $userinput = "$cmd:$tail";
+    my ($ownerlist,$cdom,$classes) = split(/:/, $tail);
+    my $classesref = &Apache::lonnet::thaw_unescape($classes);
+    my $owners = &unescape($ownerlist);
+    my $result;
+    eval {
+        local($SIG{__DIE__})='DEFAULT';
+        my %validations;
+        my $response = &localenroll::check_instclasses($owners,$cdom,$classesref,
+                                                       \%validations);
+        if ($response eq 'ok') {
+            foreach my $key (keys(%validations)) {
+                $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($validations{$key}).'&';
+            }
+            $result =~ s/\&$//;
+        } else {
+            $result = 'error';
+        }
+    };
+    if (!$@) {
+        &Reply($client, \$result, $userinput);
+    } else {
+        &Failure($client,"unknown_cmd\n",$userinput);
+    }
+    return 1;
+}
+&register_handler("autovalidateinstclasses", \&validate_classes_handler, 0, 1, 0);
+
+#
 #   Create a password for a new LON-CAPA user added by auto-enrollment.
 #   Only used for case where authentication method for new user is localauth
 #
@@ -6392,8 +6447,8 @@ my $wwwid=getpwnam('www');
 if ($wwwid!=$<) {
    my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
    my $subj="LON: $currenthostid User ID mismatch";
-   system("echo 'User ID mismatch.  lond must be run as user www.' |\
- mailto $emailto -s '$subj' > /dev/null");
+   system("echo 'User ID mismatch.  lond must be run as user www.' |".
+          " mail -s '$subj' $emailto > /dev/null");
    exit 1;
 }
 
@@ -6843,7 +6898,7 @@ sub make_new_child {
         &Authen::Krb5::init_context();
 
         my $no_ets;
-        if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) {
+        if ($dist =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) {
             if ($1 >= 7) {
                 $no_ets = 1;
             }