--- loncom/lonnet/perl/lonnet.pm	2009/03/01 01:12:23	1.988
+++ loncom/lonnet/perl/lonnet.pm	2009/03/21 21:43:46	1.992
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.988 2009/03/01 01:12:23 raeburn Exp $
+# $Id: lonnet.pm,v 1.992 2009/03/21 21:43:46 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -74,9 +74,7 @@ use strict;
 use LWP::UserAgent();
 use HTTP::Date;
 use Image::Magick;
-use IO::Socket;
 
-# use Date::Parse;
 use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir
             $_64bit %env %protocol);
 
@@ -1005,27 +1003,34 @@ sub put_dom {
 sub retrieve_inst_usertypes {
     my ($udom) = @_;
     my (%returnhash,@order);
-    if (defined(&domain($udom,'primary'))) {
-        my $uhome=&domain($udom,'primary');
-        my $rep=&reply("inst_usertypes:$udom",$uhome);
-        if ($rep =~ /^(con_lost|error|no_such_host|refused)/) {
-            &logthis("get_dom failed - $rep returned from $uhome in domain: $udom");
-            return (\%returnhash,\@order);
-        }
-        my ($hashitems,$orderitems) = split(/:/,$rep); 
-        my @pairs=split(/\&/,$hashitems);
-        foreach my $item (@pairs) {
-            my ($key,$value)=split(/=/,$item,2);
-            $key = &unescape($key);
-            next if ($key =~ /^error: 2 /);
-            $returnhash{$key}=&thaw_unescape($value);
-        }
-        my @esc_order = split(/\&/,$orderitems);
-        foreach my $item (@esc_order) {
-            push(@order,&unescape($item));
-        }
+    my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
+    if ((ref($domdefs{'inststatustypes'}) eq 'HASH') && 
+        (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) {
+        %returnhash = %{$domdefs{'inststatustypes'}};
+        @order = @{$domdefs{'inststatusorder'}};
     } else {
-        &logthis("get_dom failed - no primary domain server for $udom");
+        if (defined(&domain($udom,'primary'))) {
+            my $uhome=&domain($udom,'primary');
+            my $rep=&reply("inst_usertypes:$udom",$uhome);
+            if ($rep =~ /^(con_lost|error|no_such_host|refused)/) {
+                &logthis("get_dom failed - $rep returned from $uhome in domain: $udom");
+                return (\%returnhash,\@order);
+            }
+            my ($hashitems,$orderitems) = split(/:/,$rep); 
+            my @pairs=split(/\&/,$hashitems);
+            foreach my $item (@pairs) {
+                my ($key,$value)=split(/=/,$item,2);
+                $key = &unescape($key);
+                next if ($key =~ /^error: 2 /);
+                $returnhash{$key}=&thaw_unescape($value);
+            }
+            my @esc_order = split(/\&/,$orderitems);
+            foreach my $item (@esc_order) {
+                push(@order,&unescape($item));
+            }
+        } else {
+            &logthis("get_dom failed - no primary domain server for $udom");
+        }
     }
     return (\%returnhash,\@order);
 }
@@ -1262,7 +1267,8 @@ sub get_domain_defaults {
     }
     my %domdefaults;
     my %domconfig =
-         &Apache::lonnet::get_dom('configuration',['defaults','quotas'],$domain);
+         &Apache::lonnet::get_dom('configuration',['defaults','quotas',
+                                  'requestcourses','inststatus'],$domain);
     if (ref($domconfig{'defaults'}) eq 'HASH') {
         $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'}; 
         $domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};
@@ -1292,6 +1298,11 @@ sub get_domain_defaults {
             $domdefaults{$item} = $domconfig{'requestcourses'}{$item};
         }
     }
+    if (ref($domconfig{'inststatus'}) eq 'HASH') {
+        foreach my $item ('inststatustypes','inststatusorder') {
+            $domdefaults{$item} = $domconfig{'inststatus'}{$item};
+        }
+    }
     &Apache::lonnet::do_cache_new('domdefaults',$domain,\%domdefaults,
                                   $cachetime);
     return %domdefaults;
@@ -5902,7 +5913,21 @@ sub modifyuser {
        if ($email=~/\@/) { $names{'permanentemail'} = $email; }
     }
     if ($uid) { $names{'id'}  = $uid; }
-    if (defined($inststatus)) { $names{'inststatus'} = $inststatus; } 
+    if (defined($inststatus)) {
+        $names{'inststatus'} = '';
+        my ($usertypes,$typesorder) = &retrieve_inst_usertypes($udom);
+        if (ref($usertypes) eq 'HASH') {
+            my @okstatuses; 
+            foreach my $item (split(/:/,$inststatus)) {
+                if (defined($usertypes->{$item})) {
+                    push(@okstatuses,$item);  
+                }
+            }
+            if (@okstatuses) {
+                $names{'inststatus'} = join(':', map { &escape($_); } @okstatuses);
+            }
+        }
+    }
     my $reply = &put('environment', \%names, $udom,$uname);
     if ($reply ne 'ok') { return 'error: '.$reply; }
     my $sqlresult = &update_allusers_table($uname,$udom,\%names);
@@ -5924,7 +5949,7 @@ sub modifyuser {
 sub modifystudent {
     my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
         $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid,
-        $selfenroll,$context)=@_;
+        $selfenroll,$context,$inststatus)=@_;
     if (!$cid) {
 	unless ($cid=$env{'request.course.id'}) {
 	    return 'not_in_class';
@@ -5933,7 +5958,7 @@ sub modifystudent {
 # --------------------------------------------------------------- Make the user
     my $reply=&modifyuser
 	($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid,
-         $desiredhome,$email);
+         $desiredhome,$email,$inststatus);
     unless ($reply eq 'ok') { return $reply; }
     # This will cause &modify_student_enrollment to get the uid from the
     # students environment
@@ -9021,23 +9046,31 @@ sub get_dns {
 
 	return %iphost;
     }
-}
 
-#
-#  Given a DNS returns the loncapa host name for that DNS 
-# 
-sub host_from_dns {
-    my ($dns) = @_;
-    my @hosts;
-    my $ip;
-
-    $ip = gethostbyname($dns);	# Initial translation to IP is in net order.
-    if (length($ip) == 4) { 
-	$ip   = &IO::Socket::inet_ntoa($ip);
-	@hosts = get_hosts_from_ip($ip);
-	return $hosts[0];
+    #
+    #  Given a DNS returns the loncapa host name for that DNS 
+    # 
+    sub host_from_dns {
+        my ($dns) = @_;
+        my @hosts;
+        my $ip;
+
+        if (defined($name_to_ip{$dns})) {
+            $ip = $name_to_ip{$dns};
+        }
+        if (!$ip) {
+            $ip = gethostbyname($dns); # Initial translation to IP is in net order.
+            if (length($ip) == 4) { 
+	        $ip   = &IO::Socket::inet_ntoa($ip);
+            }
+        }
+        if ($ip) {
+	    @hosts = get_hosts_from_ip($ip);
+	    return $hosts[0];
+        }
+        return undef;
     }
-    return undef;
+
 }
 
 BEGIN {