--- loncom/lonnet/perl/lonnet.pm	2005/09/20 07:52:03	1.651.2.4
+++ loncom/lonnet/perl/lonnet.pm	2005/10/10 18:15:52	1.661
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.651.2.4 2005/09/20 07:52:03 albertel Exp $
+# $Id: lonnet.pm,v 1.661 2005/10/10 18:15:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -767,6 +767,13 @@ sub validate_access_key {
 }
 
 # ------------------------------------- Find the section of student in a course
+sub devalidate_getsection_cache {
+    my ($udom,$unam,$courseid)=@_;
+    $courseid=~s/\_/\//g;
+    $courseid=~s/^(\w)/\/$1/;
+    my $hashid="$udom:$unam:$courseid";
+    &devalidate_cache_new('getsection',$hashid);
+}
 
 sub getsection {
     my ($udom,$unam,$courseid)=@_;
@@ -1678,9 +1685,10 @@ sub linklog {
   
 sub userrolelog {
     my ($trole,$username,$domain,$area,$tstart,$tend)=@_;
-    if (($trole=~/^ca/) || ($trole=~/^in/) || 
-        ($trole=~/^cc/) || ($trole=~/^ep/) ||
-        ($trole=~/^cr/) || ($trole=~/^ta/)) {
+    if (($trole=~/^ca/) || ($trole=~/^aa/) ||
+        ($trole=~/^in/) || ($trole=~/^cc/) || 
+        ($trole=~/^ep/) || ($trole=~/^cr/) ||
+        ($trole=~/^ta/)) {
        my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
        $userrolehash
          {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
@@ -1804,7 +1812,27 @@ sub courseiddump {
     return %returnhash;
 }
 
-#
+# ---------------------------------------------------------- DC e-mail
+sub dcmaildump {
+    my ($dom,$startdate,$enddate,$senders) = @_;
+    my %returnhash=(); 
+    foreach my $tryserver (keys(%libserv)) {
+        if ($hostdom{$tryserver} eq $dom) {
+            %{$returnhash{$tryserver}}=();
+            foreach (
+                split(/\&/,&reply('dcmaildump:'.$dom.':'.
+                   &escape($startdate).':'.&escape($enddate).':'.
+                   &escape($senders), ,$tryserver))) {
+                my($key,$value) = split(/\=/,$_);
+                if (($key) && ($value)) {
+                    $returnhash{$tryserver}{&unescape($key)} = &unescape($value);
+                }
+            }
+        }
+    }
+    return %returnhash;
+}
+
 # ----------------------------------------------------------- Check out an item
 
 sub get_first_access {
@@ -3201,8 +3229,7 @@ sub allowed {
 # --------------------------------------------------- Is a resource on the map?
 
 sub is_on_map {
-    my $uri=&declutter(shift);
-    $uri=~s/\.\d+\.(\w+)$/\.$1/;
+    my $uri=&deversion(&declutter(shift));
     my @uriparts=split(/\//,$uri);
     my $filename=$uriparts[$#uriparts];
     my $pathname=$uri;
@@ -3775,6 +3802,8 @@ sub modify_student_enrollment {
 		   $cdom,$cnum);
     unless (($reply eq 'ok') || ($reply eq 'delayed')) {
 	return 'error: '.$reply;
+    } else {
+	&devalidate_getsection_cache($udom,$uname,$cid);
     }
     # Add student role to user
     my $uurl='/'.$cid;
@@ -5890,7 +5919,7 @@ BEGIN {
     }
     close($config);
     # FIXME: dev server don't want this, production servers _do_ want this
-    &get_iphost();
+    #&get_iphost();
 }
 
 sub get_iphost {