--- loncom/lonnet/perl/lonnet.pm	2009/05/08 14:33:16	1.999
+++ loncom/lonnet/perl/lonnet.pm	2009/08/15 00:25:53	1.1017
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.999 2009/05/08 14:33:16 raeburn Exp $
+# $Id: lonnet.pm,v 1.1017 2009/08/15 00:25:53 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -718,7 +718,12 @@ sub spareserver {
         if ($protocol{$spare_server} eq 'https') {
             $protocol = $protocol{$spare_server};
         }
-	$spare_server = $protocol.'://'.&hostname($spare_server);
+        if (defined($spare_server)) {
+            my $hostname = &hostname($spare_server);
+            if (defined($hostname)) {  
+	        $spare_server = $protocol.'://'.$hostname;
+            }
+        }
     }
     return $spare_server;
 }
@@ -953,6 +958,43 @@ sub idput {
     }
 }
 
+# ------------------------------------------------ dump from domain db files
+
+sub dump_dom {
+    my ($namespace,$udom,$uhome,$regexp,$range)=@_;
+    if (!$udom) {
+        $udom=$env{'user.domain'};
+        if (defined(&domain($udom,'primary'))) {
+            $uhome=&domain($udom,'primary');
+        } else {
+            undef($uhome);
+        }
+    } else {
+        if (!$uhome) {
+            if (defined(&domain($udom,'primary'))) {
+                $uhome=&domain($udom,'primary');
+            }
+        }
+    }
+    my %returnhash;
+    if ($udom && $uhome && ($uhome ne 'no_host')) {
+        if ($regexp) {
+            $regexp=&escape($regexp);
+        } else {
+            $regexp='.';
+        }
+        my $rep=&reply("dumpdom:$udom:$namespace:$regexp:$range",$uhome);
+        my @pairs=split(/\&/,$rep);
+        foreach my $item (@pairs) {
+            my ($key,$value)=split(/=/,$item,2);
+            $key = &unescape($key);
+            next if ($key =~ /^error: 2 /);
+            $returnhash{$key}=&thaw_unescape($value);
+        }
+    }
+    return %returnhash;
+}
+
 # ------------------------------------------- get items from domain db files   
 
 sub get_dom {
@@ -1027,6 +1069,70 @@ sub put_dom {
     }
 }
 
+# -------------------------------------- newput for items in domain db files
+
+sub newput_dom {
+    my ($namespace,$storehash,$udom,$uhome) = @_;
+    my $result;
+    if (!$udom) {
+        $udom=$env{'user.domain'};
+        if (defined(&domain($udom,'primary'))) {
+            $uhome=&domain($udom,'primary');
+        } else {
+            undef($uhome);
+        }
+    } else {
+        if (!$uhome) {
+            if (defined(&domain($udom,'primary'))) {
+                $uhome=&domain($udom,'primary');
+            }
+        }
+    }
+    if ($udom && $uhome && ($uhome ne 'no_host')) {
+        my $items='';
+        if (ref($storehash) eq 'HASH') {
+            foreach my $key (keys(%$storehash)) {
+                $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
+            }
+            $items=~s/\&$//;
+            $result = &reply("newputdom:$udom:$namespace:$items",$uhome);
+        }
+    } else {
+        &logthis("put_dom failed - no homeserver and/or domain");
+    }
+    return $result;
+}
+
+sub del_dom {
+    my ($namespace,$storearr,$udom,$uhome)=@_;
+    if (ref($storearr) eq 'ARRAY') {
+        my $items='';
+        foreach my $item (@$storearr) {
+            $items.=&escape($item).'&';
+        }
+        $items=~s/\&$//;
+        if (!$udom) {
+            $udom=$env{'user.domain'};
+            if (defined(&domain($udom,'primary'))) {
+                $uhome=&domain($udom,'primary');
+            } else {
+                undef($uhome);
+            }
+        } else {
+            if (!$uhome) {
+                if (defined(&domain($udom,'primary'))) {
+                    $uhome=&domain($udom,'primary');
+                }
+            }
+        }
+        if ($udom && $uhome && ($uhome ne 'no_host')) {
+            return &reply("deldom:$udom:$namespace:$items",$uhome);
+        } else {
+            &logthis("del_dom failed - no homeserver and/or domain");
+        }
+    }
+}
+
 sub retrieve_inst_usertypes {
     my ($udom) = @_;
     my (%returnhash,@order);
@@ -1321,7 +1427,7 @@ sub get_domain_defaults {
         }
     }
     if (ref($domconfig{'requestcourses'}) eq 'HASH') {
-        foreach my $item ('official','unofficial') {
+        foreach my $item ('official','unofficial','community') {
             $domdefaults{$item} = $domconfig{'requestcourses'}{$item};
         }
     }
@@ -1660,12 +1766,14 @@ sub userenvironment {
     }
     $items=~s/\&$//;
     my %returnhash=();
-    my @answer=split(/\&/,
-                &reply('get:'.$udom.':'.$unam.':environment:'.$items,
-                      &homeserver($unam,$udom)));
-    my $i;
-    for ($i=0;$i<=$#what;$i++) {
-	$returnhash{$what[$i]}=&unescape($answer[$i]);
+    my $uhome = &homeserver($unam,$udom);
+    unless ($uhome eq 'no_host') {
+        my @answer=split(/\&/, 
+            &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome));
+        my $i;
+        for ($i=0;$i<=$#what;$i++) {
+	    $returnhash{$what[$i]}=&unescape($answer[$i]);
+        }
     }
     return %returnhash;
 }
@@ -1861,6 +1969,8 @@ sub ssi_body {
     if ($filelink=~/^https?\:/) {
        ($output,$response)=&externalssi($filelink);
     } else {
+       $filelink .= $filelink=~/\?/ ? '&' : '?';
+       $filelink .= 'inhibitmenu=yes';
        ($output,$response)=&ssi($filelink,%form);
     }
     $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
@@ -1904,7 +2014,7 @@ sub ssi {
     &Apache::lonenc::check_encrypt(\$fn);
     if (%form) {
       $request=new HTTP::Request('POST',&absolute_url().$fn);
-      $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
+      $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys(%form)));
     } else {
       $request=new HTTP::Request('GET',&absolute_url().$fn);
     }
@@ -2554,7 +2664,7 @@ sub flushcourselogs {
 # Reverse lookup of domain roles (dc, ad, li, sc, au)
 #
     my %domrolebuffer = ();
-    foreach my $entry (keys %domainrolehash) {
+    foreach my $entry (keys(%domainrolehash)) {
         my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
         if ($domrolebuffer{$rudom}) {
             $domrolebuffer{$rudom}.='&'.&escape($entry).
@@ -2735,7 +2845,7 @@ sub get_course_adv_roles {
             &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});
     my $now=time;
     my %privileged;
-    foreach my $entry (keys %dumphash) {
+    foreach my $entry (keys(%dumphash)) {
 	my ($tend,$tstart)=split(/\:/,$dumphash{$entry});
         if (($tstart) && ($tstart<0)) { next; }
         if (($tend) && ($tend<$now)) { next; }
@@ -2961,7 +3071,7 @@ sub courseidput {
 sub courseiddump {
     my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,
         $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok,
-        $selfenrollonly,$catfilter,$showhidden,$caller)=@_;
+        $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone,$cloneonly)=@_;
     my $as_hash = 1;
     my %returnhash;
     if (!$domfilter) { $domfilter=''; }
@@ -2980,7 +3090,8 @@ sub courseiddump {
                          ':'.&escape($coursefilter).':'.&escape($typefilter).
                          ':'.&escape($regexp_ok).':'.$as_hash.':'.
                          &escape($selfenrollonly).':'.&escape($catfilter).':'.
-                         $showhidden.':'.$caller,$tryserver);
+                         $showhidden.':'.$caller.':'.&escape($cloner).':'.
+                         &escape($cc_clone).':'.$cloneonly,$tryserver);
                 my @pairs=split(/\&/,$rep);
                 foreach my $item (@pairs) {
                     my ($key,$value)=split(/\=/,$item,2);
@@ -2995,7 +3106,7 @@ sub courseiddump {
                         for (my $i=0; $i<@responses; $i++) {
                             $returnhash{$key}{$items[$i]} = &unescape($responses[$i]);
                         }
-                    } 
+                    }
                 }
             }
         }
@@ -3445,7 +3556,7 @@ sub tmpreset {
   if (tie(%hash,'GDBM_File',
 	  $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
 	  &GDBM_WRCREAT(),0640)) {
-    foreach my $key (keys %hash) {
+    foreach my $key (keys(%hash)) {
       if ($key=~ /:$symb/) {
 	delete($hash{$key});
       }
@@ -3881,7 +3992,7 @@ sub set_userprivs {
     my $adv=0;
     my %grouproles = ();
     if (keys(%{$allgroups}) > 0) {
-        foreach my $role (keys %{$allroles}) {
+        foreach my $role (keys(%{$allroles})) {
             my ($trole,$area,$sec,$extendedarea);
             if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
                 $trole = $1;
@@ -3925,7 +4036,7 @@ sub set_userprivs {
 }
 
 sub role_status {
-    my ($rolekey,$then,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
+    my ($rolekey,$then,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
     my @pwhere = ();
     if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
         (undef,undef,$$role,@pwhere)=split(/\./,$rolekey);
@@ -3936,7 +4047,41 @@ sub role_status {
             $$tstatus='is';
             if ($$tstart && $$tstart>$then) {
                 $$tstatus='future';
-                if ($$tstart<$now) { $$tstatus='will'; }
+                if ($$tstart && $$tstart>$refresh) {
+                    if ($$tstart<$now) {
+                        if (($$where ne '') && ($$role ne '')) {
+                            my (%allroles,%allgroups,$group_privs);
+                            my %userroles = (
+                                'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend
+                            );
+                            my $spec=$$role.'.'.$$where;
+                            my ($tdummy,$tdomain,$trest)=split(/\//,$$where);
+                            if ($$role eq 'gr') {
+                                my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
+                                                    $env{'user.name'})=@_;
+                                my ($trole) = split('_',$role,1);
+                                (undef,my $group_privs) = split(/\//,$trole);
+                                $group_privs = &unescape($group_privs);
+                            }
+                            if ($$role =~ /^cr\//) {
+                                &custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where);
+                            } elsif ($$role eq 'gr') {
+                                my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
+                                                    $env{'user.name'});
+                                my $trole = split('_',$rolehash{$$where.'_'.$$role},1);
+                                (undef,my $group_privs) = split(/\//,$trole);
+                                $group_privs = &unescape($group_privs);
+                                &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart);
+                            } else {
+                                &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where);
+                            }
+                            my ($author,$adv)= &set_userprivs(\%userroles,\%allroles,\%allgroups);
+                            &appenv(\%userroles,[$$role,'cm']);
+                            &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role);
+                            $$tstatus = 'is';
+                        }
+                    }
+                }
             }
             if ($$tend) {
                 if ($$tend<$then) {
@@ -3950,11 +4095,11 @@ sub role_status {
 }
 
 sub check_adhoc_privs {
-    my ($cdom,$cnum,$then,$now,$checkrole) = @_;
+    my ($cdom,$cnum,$then,$refresh,$now,$checkrole) = @_;
     my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;
     if ($env{$cckey}) {
         my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
-        &role_status($cckey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
+        &role_status($cckey,$then,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
         unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
             &set_adhoc_privileges($cdom,$cnum,$checkrole);
         }
@@ -4594,6 +4739,7 @@ sub usertools_access {
         %tools = (
                       official   => 1,
                       unofficial => 1,
+                      community  => 1,
                  );
     } else {
         %tools = (
@@ -5041,7 +5187,7 @@ sub allowed {
 
     my $envkey;
     if ($thisallowed=~/L/) {
-        foreach $envkey (keys %env) {
+        foreach $envkey (keys(%env)) {
            if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) {
                my $courseid=$2;
                my $roleid=$1.'.'.$2;
@@ -5332,7 +5478,7 @@ sub fetch_enrollment_query {
     }
     my $host=&hostname($homeserver);
     my $cmd = '';
-    foreach my $affiliate (keys %{$affiliatesref}) {
+    foreach my $affiliate (keys(%{$affiliatesref})) {
         $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
     }
     $cmd =~ s/%%$//;
@@ -5465,11 +5611,21 @@ sub auto_run {
 
 sub auto_get_sections {
     my ($cnum,$cdom,$inst_coursecode) = @_;
-    my $homeserver = &homeserver($cnum,$cdom);
-    my @secs = ();
-    my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
-    unless ($response eq 'refused') {
-        @secs = split(/:/,$response);
+    my $homeserver;
+    if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { 
+        $homeserver = &homeserver($cnum,$cdom);
+    }
+    if (!defined($homeserver)) { 
+        if ($cdom =~ /^$match_domain$/) {
+            $homeserver = &domain($cdom,'primary');
+        }
+    }
+    my @secs;
+    if (defined($homeserver)) {
+        my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
+        unless ($response eq 'refused') {
+            @secs = split(/:/,$response);
+        }
     }
     return @secs;
 }
@@ -5488,6 +5644,22 @@ sub auto_validate_courseID {
     return $response;
 }
 
+sub auto_validate_instcode {
+    my ($cnum,$cdom,$instcode,$owner) = @_;
+    my ($homeserver,$response);
+    if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
+        $homeserver = &homeserver($cnum,$cdom);
+    }
+    if (!defined($homeserver)) {
+        if ($cdom =~ /^$match_domain$/) {
+            $homeserver = &domain($cdom,'primary');
+        }
+    }
+    my $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'.
+                           &escape($instcode).':'.&escape($owner),$homeserver));
+    return $response;
+}
+
 sub auto_create_password {
     my ($cnum,$cdom,$authparam,$udom) = @_;
     my ($homeserver,$response);
@@ -5659,7 +5831,57 @@ sub auto_instcode_defaults {
     }
 
     return $response;
-} 
+}
+
+sub auto_possible_instcodes {
+    my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_;
+    unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') && 
+            (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
+        return;
+    }
+    my (@homeservers,$uhome);
+    if (defined(&domain($domain,'primary'))) {
+        $uhome=&domain($domain,'primary');
+        push(@homeservers,&domain($domain,'primary'));
+    } else {
+        my %servers = &get_servers($domain,'library');
+        foreach my $tryserver (keys(%servers)) {
+            if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
+                push(@homeservers,$tryserver);
+            }
+        }
+    }
+    my $response;
+    foreach my $server (@homeservers) {
+        $response=&reply('autopossibleinstcodes:'.$domain,$server);
+        next if ($response =~ /(con_lost|error|no_such_host|refused)/);
+        my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) = 
+            split(':',$response);
+        @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr));
+        @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr));
+        foreach my $item (split('&',$cat_title)) {   
+            my ($name,$value)=split('=',$item);
+            $cat_titles->{&unescape($name)}=&thaw_unescape($value);
+        }
+        foreach my $item (split('&',$cat_order)) {
+            my ($name,$value)=split('=',$item);
+            $cat_orders->{&unescape($name)}=&thaw_unescape($value);
+        }
+        return 'ok';
+    }
+    return $response;
+}
+
+sub auto_courserequest_checks {
+    my ($dom) = @_;
+    my %validations;
+    return %validations; 
+}
+
+sub auto_courserequest_validation {
+    my ($dom,$details,$inststatuses,$message) = @_;
+    return 'pending';
+}
 
 sub auto_validate_class_sec {
     my ($cdom,$cnum,$owners,$inst_class) = @_;
@@ -5827,8 +6049,8 @@ sub plaintext {
         }
     }
     my %rolenames = (
-                      Course => 'std',
-                      Group => 'alt1',
+                      Course    => 'std',
+                      Community => 'alt1',
                     );
     if (defined($type) && 
          defined($rolenames{$type}) && 
@@ -5880,7 +6102,17 @@ sub assignrole {
             if ($refused) {
                 if (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
                     $refused = '';
-                } else {
+                } elsif ($context eq 'requestcourses') {
+                    if (($role eq 'cc') && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {
+                        my ($cdom,$cnum) = ($cwosec =~ m{^/($match_domain)/($match_courseid)$});
+                        my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
+                        if ($crsenv{'internal.courseowner'} eq 
+                             $env{'user.name'}.':'.$env{'user.domain'}) {
+                            $refused = '';
+                        }
+                    }
+                }
+                if ($refused) {
                     &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url.
                              ' '.$role.' '.$end.' '.$start.' by '.
 	  	             $env{'user.name'}.' at '.$env{'user.domain'});
@@ -6204,28 +6436,32 @@ sub writecoursepref {
 
 sub createcourse {
     my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
-        $course_owner,$crstype)=@_;
+        $course_owner,$crstype,$cnum,$context,$category)=@_;
     $url=&declutter($url);
     my $cid='';
     unless (&allowed('ccc',$udom)) {
-        return 'refused';
+        if ($context eq 'requestcourses') {
+            unless (&usertools_access($course_owner,$udom,$category,undef,$context)) {
+                return 'refused';
+            }
+        } else {
+            return 'refused';
+        }
     }
-# ------------------------------------------------------------------- Create ID
-   my $uname=int(1+rand(9)).
-       ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
-       substr($$.time,0,5).unpack("H8",pack("I32",time)).
-       unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
-# ----------------------------------------------- Make sure that does not exist
-   my $uhome=&homeserver($uname,$udom,'true');
-   unless (($uhome eq '') || ($uhome eq 'no_host')) {
-       $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)).
-        unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
-       $uhome=&homeserver($uname,$udom,'true');       
-       unless (($uhome eq '') || ($uhome eq 'no_host')) {
-           return 'error: unable to generate unique course-ID';
-       } 
-   }
-# ------------------------------------------------ Check supplied server name
+# --------------------------------------------------------------- Get Unique ID
+    my $uname;
+    if ($cnum =~ /^$match_courseid$/) {
+        my $chome=&homeserver($cnum,$udom,'true');
+        if (($chome eq '') || ($chome eq 'no_host')) {
+            $uname = $cnum;
+        } else {
+            $uname = &generate_coursenum($udom);
+        }
+    } else {
+        $uname = &generate_coursenum($udom);
+    }
+    return $uname if ($uname =~ /^error/);
+# -------------------------------------------------- Check supplied server name
     $course_server = $env{'user.homeserver'} if (! defined($course_server));
     if (! &is_library($course_server)) {
         return 'error:bad server name '.$course_server;
@@ -6234,7 +6470,7 @@ sub createcourse {
     my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
                       $course_server);
     unless ($reply eq 'ok') { return 'error: '.$reply; }
-    $uhome=&homeserver($uname,$udom,'true');
+    my $uhome=&homeserver($uname,$udom,'true');
     if (($uhome eq '') || ($uhome eq 'no_host')) { 
 	return 'error: no such course';
     }
@@ -6275,6 +6511,30 @@ ENDINITMAP
     return '/'.$udom.'/'.$uname;
 }
 
+# ------------------------------------------------------------------- Create ID
+sub generate_coursenum {
+    my ($udom) = @_;
+    my $domdesc = &domain($udom);
+    return 'error: invalid domain' if ($domdesc eq '');
+    my $uname=int(1+rand(9)).
+        ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
+        substr($$.time,0,5).unpack("H8",pack("I32",time)).
+        unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
+# ----------------------------------------------- Make sure that does not exist
+    my $uhome=&homeserver($uname,$udom,'true');
+    unless (($uhome eq '') || ($uhome eq 'no_host')) {
+        $uname=int(1+rand(9)).
+               ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
+               substr($$.time,0,5).unpack("H8",pack("I32",time)).
+               unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
+        $uhome=&homeserver($uname,$udom,'true');
+        unless (($uhome eq '') || ($uhome eq 'no_host')) {
+            return 'error: unable to generate unique course-ID';
+        }
+    }
+    return $uname;
+}
+
 sub is_course {
     my ($cdom,$cnum) = @_;
     my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,
@@ -6285,6 +6545,39 @@ sub is_course {
     return 0;
 }
 
+sub store_userdata {
+    my ($storehash,$datakey,$namespace,$udom,$uname) = @_;
+    my $result;
+    if ($datakey ne '') {
+        if (ref($storehash) eq 'HASH') {
+            if ($udom eq '' || $uname eq '') {
+                $udom = $env{'user.domain'};
+                $uname = $env{'user.name'};
+            }
+            my $uhome=&homeserver($uname,$udom);
+            if (($uhome eq '') || ($uhome eq 'no_host')) {
+                $result = 'error: no_host';
+            } else {
+                $storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
+                $storehash->{'host'} = $perlvar{'lonHostID'};
+
+                my $namevalue='';
+                foreach my $key (keys(%{$storehash})) {
+                    $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
+                }
+                $namevalue=~s/\&$//;
+                $result =  &reply("store:$env{'user.domain'}:$env{'user.name'}:".
+                                  "$namespace:$datakey:$namevalue",$uhome);
+            }
+        } else {
+            $result = 'error: data to store was not a hash reference'; 
+        }
+    } else {
+        $result= 'error: invalid requestkey'; 
+    }
+    return $result;
+}
+
 # ---------------------------------------------------------- Assign Custom Role
 
 sub assigncustomrole {
@@ -7774,6 +8067,11 @@ sub devalidate_title_cache {
     &devalidate_cache_new('title',$key);
 }
 
+# ------------------------------------------------- Get the title of a course
+
+sub current_course_title {
+    return $env{ 'course.' . $env{'request.course.id'} . '.description' };
+}
 # ------------------------------------------------- Get the title of a resource
 
 sub gettitle {
@@ -7840,7 +8138,7 @@ sub symblist {
     if (($env{'request.course.fn'}) && (%newhash)) {
         if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
                       &GDBM_WRCREAT(),0640)) {
-	    foreach my $url (keys %newhash) {
+	    foreach my $url (keys(%newhash)) {
 		next if ($url eq 'last_known'
 			 && $env{'form.no_update_last_known'});
 		$hash{declutter($url)}=&encode_symb($mapname,
@@ -9587,7 +9885,7 @@ and course level
 
 plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash 
 (rolesplain.tab); plain text explanation of a user role term.
-$type is Course (default) or Group.
+$type is Course (default) or Community.
 If $forcedefault evaluates to true, text returned will be default 
 text for $type. Otherwise, if this is a course, the text returned 
 will be a custom name for the role (if defined in the course's 
@@ -9797,7 +10095,11 @@ database) for a course
 
 =item *
 
-createcourse($udom,$description,$url) : make/modify course
+createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course
+
+=item *
+
+generate_coursenum($udom) : get a unique (unused) course number in domain $udom
 
 =back