Index: ejabberd-1.1.2/src/ejabberd.app
===================================================================
--- ejabberd-1.1.2.orig/src/ejabberd.app	2007-05-17 14:10:57.841460038 +0100
+++ ejabberd-1.1.2/src/ejabberd.app	2007-05-17 14:12:40.269114170 +0100
@@ -30,6 +30,7 @@
 	     jlib,
 	     mod_caps,
 	     mod_configure,
+	     mod_ctlextra,
 	     mod_disco,
 	     mod_echo,
 	     mod_last,
Index: ejabberd-1.1.2/src/mod_ctlextra.erl
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ ejabberd-1.1.2/src/mod_ctlextra.erl	2007-05-17 14:13:32.743034771 +0100
@@ -0,0 +1,731 @@
+%%%----------------------------------------------------------------------
+%%% File    : mod_ctlextra.erl
+%%% Author  :
+%%% Purpose : Adds more options for ejabberd_ctl
+%%% Created :
+%%% Id      :
+%%%----------------------------------------------------------------------
+
+-module(mod_ctlextra).
+-author('').
+-vsn('0.2.5').
+
+-behaviour(gen_mod).
+
+-export([
+	start/2,
+	stop/1,
+	ctl_process/2,
+	ctl_process/3
+	]).
+
+-include("ejabberd.hrl").
+-include("ejabberd_ctl.hrl").
+-include("jlib.hrl").
+
+-record(session, {sid, usr, us, priority}). % copied from ejabberd_sm.erl
+
+start(Host, _Opts) ->
+	ejabberd_ctl:register_commands([
+		{"compile file", "recompile and reload file"},
+		{"load-config file", "load config from file"},
+		{"remove-node nodename", "remove an ejabberd node from the database"},
+
+		% ejabberd_auth
+		{"delete-older-users days", "delete users that have not logged in the last 'days'"},
+		{"set-password user server password", "set password to user@server"},
+
+		% ejd2odbc
+		{"export2odbc server output", "export Mnesia tables on server to files on output directory"},
+
+		% mod_offline
+		{"delete-older-messages days", "delete offline messages older than 'days'"},
+
+		% mod_shared_roster
+		{"srg-create group host name description display", "create the group with options"},
+		{"srg-delete group host", "delete the group"},
+		{"srg-user-add user server group host", "add user@server to group on host"},
+		{"srg-user-del user server group host", "delete user@server from group on host"},
+			
+		% mod_vcard
+		{"vcard-get user host data [data2]", "get data from the vCard of the user"},
+		{"vcard-set user host data [data2] content", "set data to content on the vCard"},
+
+		% mod_announce
+		% announce_send_online host message
+		% announce_send_all host, message
+
+		% mod_muc
+		% muc-add room opts
+		% muc-del room
+		{"muc-purge days", "destroy rooms with not activity on the last 'days'"},
+		{"muc-online-rooms", "list existing rooms"},
+
+		% mod_roster
+		{"add-rosteritem user1 server1 user2 server2 nick group subs", "Add user2@server2 to user1@server1"},
+		%{"", "subs= none, from, to or both"},
+		%{"", "example: add-roster peter localhost mike server.com MiKe Employees both"},
+		%{"", "will add mike@server.com to peter@localhost roster"},
+		{"pushroster file user server", "push template roster in file to user@server"},
+		{"pushroster-all file", "push template roster in file to all those users"},
+		{"push-alltoall server group", "adds all the users to all the users in Group"},
+
+		{"status-list status", "list the logged users with status"},
+		{"status-num status", "number of logged users with status"},
+
+		{"stats registeredusers", "number of registered users"},
+		{"stats onlineusers", "number of logged users"},
+
+		% misc
+		{"killsession user server resource", "kill a user session"}
+	], ?MODULE, ctl_process),
+    ejabberd_ctl:register_commands(Host, [
+		% mod_muc
+		{"muc-purge days", "destroy rooms with not activity on the last 'days'"},
+		{"muc-online-rooms", "list existing rooms"},
+
+		% mod_last
+		{"num-active-users days", "number of users active in the last 'days'"},
+		{"status-list status", "list the logged users with status"},
+		{"status-num status", "number of logged users with status"},
+		{"stats registeredusers", "number of registered users"},
+		{"stats onlineusers", "number of logged users"}
+	], ?MODULE, ctl_process),
+	ok.
+
+stop(_Host) ->
+	ok.
+
+
+ctl_process(_Val, ["blo"]) ->
+	FResources = "eeeaaa aaa",
+	io:format("~s", [FResources]),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["delete-older-messages", Days]) ->
+    mod_offline:remove_old_messages(list_to_integer(Days)),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["delete-older-users", Days]) ->
+	{removed, N, UR} = delete_older_users(list_to_integer(Days)),
+	io:format("Deleted ~p users: ~p~n", [N, UR]),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["export2odbc", Server, Output]) ->
+	Tables = [
+		{export_last, last},
+		{export_offline, offline},
+		{export_passwd, passwd},
+		{export_private_storage, private_storage},
+		{export_roster, roster},
+		{export_vcard, vcard},
+		{export_vcard_search, vcard_search}],
+	Export = fun({TableFun, Table}) -> 
+		Filename = filename:join([Output, atom_to_list(Table)++".txt"]),
+		io:format("Trying to export Mnesia table '~p' on server '~s' to file '~s'~n", [Table, Server, Filename]),
+		catch ejd2odbc:TableFun(Server, Filename)
+	end,
+	lists:foreach(Export, Tables),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["set-password", User, Server, Password]) ->
+    ejabberd_auth:set_password(User, Server, Password),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["vcard-get", User, Server, Data]) ->
+	{ok, Res} = vcard_get(User, Server, {Data}),
+    io:format("~s~n", [Res]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["vcard-get", User, Server, Data1, Data2]) ->
+	{ok, Res} = vcard_get(User, Server, {Data1, Data2}),
+    io:format("~s~n", [Res]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["vcard-set", User, Server, Data, Content]) ->
+	{ok, Res} = vcard_set(User, Server, Data, Content),
+    io:format("~s~n", [Res]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["vcard-set", User, Server, Data1, Data2, Content]) ->
+	{ok, Res} = vcard_set(User, Server, Data1, Data2, Content),
+    io:format("~s~n", [Res]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["compile", Module]) ->
+    compile:file(Module),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["remove-node", Node]) ->
+	mnesia:del_table_copy(schema, list_to_atom(Node)),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["srg-create", Group, Host, Name, Description, Display]) ->
+	Opts = [{name, Name}, {displayed_groups, [Display]}, {description, Description}],
+	{atomic, ok} = mod_shared_roster:create_group(Host, Group, Opts),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["srg-delete", Group, Host]) ->
+	{atomic, ok} = mod_shared_roster:delete_group(Host, Group),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["srg-user-add", User, Server, Group, Host]) ->
+	{atomic, ok} = mod_shared_roster:add_user_to_group(Host, {User, Server}, Group),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["srg-user-del", User, Server, Group, Host]) ->
+	{atomic, ok} = mod_shared_roster:remove_user_from_group(Host, {User, Server}, Group),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["muc-purge", Days]) ->
+	{purged, Num_total, Num_purged, Names_purged} = muc_purge(list_to_integer(Days)),
+	io:format("Purged ~p chatrooms from a total of ~p on the server:~n~p~n", [Num_purged, Num_total, Names_purged]),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ["muc-online-rooms"]) ->
+       format_print_room(all, ets:tab2list(muc_online_room)),
+       ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["add-rosteritem", LocalUser, LocalServer, RemoteUser, RemoteServer, Nick, Group, Subs]) ->
+    case add_rosteritem(LocalUser, LocalServer, RemoteUser, RemoteServer, Nick, Group, list_to_atom(Subs), []) of
+	{atomic, ok} ->
+	    ?STATUS_SUCCESS;
+	{error, Reason} ->
+	    io:format("Can't add ~p@~p to ~p@~p: ~p~n",
+		      [RemoteUser, RemoteServer, LocalUser, LocalServer, Reason]),
+	    ?STATUS_ERROR;
+	{badrpc, Reason} ->
+	    io:format("Can't add roster item to user ~p: ~p~n",
+		      [LocalUser, Reason]),
+	    ?STATUS_BADRPC
+    end;
+
+ctl_process(_Val, ["pushroster", File, User, Server]) ->
+    case pushroster(File, User, Server) of
+	ok ->
+	    ?STATUS_SUCCESS;
+	{error, Reason} ->
+	    io:format("Can't push roster ~p to ~p@~p: ~p~n",
+		      [File, User, Server, Reason]),
+	    ?STATUS_ERROR;
+	{badrpc, Reason} ->
+	    io:format("Can't push roster ~p: ~p~n",
+		      [File, Reason]),
+	    ?STATUS_BADRPC
+    end;
+
+ctl_process(_Val, ["pushroster-all", File]) ->
+    case pushroster_all([File]) of
+	ok ->
+	    ?STATUS_SUCCESS;
+	{error, Reason} ->
+	    io:format("Can't push roster ~p: ~p~n",
+		      [File, Reason]),
+	    ?STATUS_ERROR;
+	{badrpc, Reason} ->
+	    io:format("Can't push roster ~p: ~p~n",
+		      [File, Reason]),
+	    ?STATUS_BADRPC
+    end;
+
+ctl_process(_Val, ["push-alltoall", Server, Group]) ->
+    case push_alltoall(Server, Group) of
+	ok ->
+	    ?STATUS_SUCCESS;
+	{error, Reason} ->
+	    io:format("Can't push all to all: ~p~n",
+		      [Reason]),
+	    ?STATUS_ERROR;
+	{badrpc, Reason} ->
+	    io:format("Can't push all to all: ~p~n",
+		      [Reason]),
+	    ?STATUS_BADRPC
+    end;
+
+ctl_process(_Val, ["load-config", Path]) ->
+    case ejabberd_config:load_file(Path) of
+        {atomic, ok} ->
+            ?STATUS_SUCCESS;
+        {error, Reason} ->
+            io:format("Can't load config file ~p: ~p~n",
+                      [filename:absname(Path), Reason]),
+	    ?STATUS_ERROR;
+        {badrpc, Reason} ->
+            io:format("Can't load config file ~p: ~p~n",
+                      [filename:absname(Path), Reason]),
+	    ?STATUS_BADRPC
+    end;
+
+ctl_process(_Val, ["stats", Stat]) ->
+	Res = case Stat of
+		"registeredusers" -> mnesia:table_info(passwd, size);
+		"onlineusers" -> mnesia:table_info(session, size)
+	end,
+    io:format("~p~n", [Res]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, ["status-num", Status_required]) ->
+	ctl_process(_Val, "all", ["status-num", Status_required]);
+
+ctl_process(_Val, ["status-list", Status_required]) ->
+	ctl_process(_Val, "all", ["status-list", Status_required]);
+
+ctl_process(_Val, ["killsession", User, Server, Resource]) ->
+    ejabberd_router:route(
+        jlib:make_jid("", "", ""), 
+        jlib:make_jid(User, Server, Resource),
+        {xmlelement, "broadcast", [], [{exit, "killed"}]}),
+    ?STATUS_SUCCESS;
+
+ctl_process(Val, _Args) ->
+	Val.
+
+
+ctl_process(_Val, Host, ["muc-purge", Days]) ->
+	{purged, Num_total, Num_purged, Names_purged} = muc_purge(Host, list_to_integer(Days)),
+	io:format("Purged ~p chatrooms from a total of ~p on the host ~p:~n~p~n", [Num_purged, Num_total, Host, Names_purged]),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, ServerHost, ["muc-online-rooms"]) ->
+	MUCHost = find_host(ServerHost),
+	format_print_room(MUCHost, ets:tab2list(muc_online_room)),
+	?STATUS_SUCCESS;
+
+ctl_process(_Val, Host, ["num-active-users", Days]) ->
+	Number = num_active_users(Host, list_to_integer(Days)),
+    io:format("~p~n", [Number]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, Host, ["stats", Stat]) ->
+	Res = case Stat of
+		"registeredusers" -> length(ejabberd_auth:get_vh_registered_users(Host));
+		"onlineusers" -> length(ejabberd_sm:get_vh_session_list(Host))
+	end,
+    io:format("~p~n", [Res]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, Host, ["status-num", Status_required]) ->
+	Num = length(get_status_list(Host, Status_required)),
+    io:format("~p~n", [Num]),
+    ?STATUS_SUCCESS;
+
+ctl_process(_Val, Host, ["status-list", Status_required]) ->
+	Res = get_status_list(Host, Status_required),
+    [ io:format("~s@~s ~s ~p \"~s\"~n", [U, S, R, P, St]) || {U, S, R, P, St} <- Res],
+    ?STATUS_SUCCESS;
+
+ctl_process(Val, _Host, _Args) ->
+	Val.
+
+
+%%-------------
+%% UTILS
+%%-------------
+
+get_status_list(Host, Status_required) ->
+	% Get list of all logged users
+	Sessions = ejabberd_sm:dirty_get_my_sessions_list(),
+	% Reformat the list
+	Sessions2 = [ {Session#session.usr, Session#session.sid, Session#session.priority} || Session <- Sessions],
+	Fhost = case Host of
+		"all" ->
+			% All hosts are requested, so don't filter at all
+			fun(_, _) -> true end;
+		_ ->
+			% Filter the list, only Host is interesting
+			fun(A, B) -> A == B end
+	end,
+	Sessions3 = [ {Pid, Server, Priority} || {{_User, Server, _Resource}, {_, Pid}, Priority} <- Sessions2, apply(Fhost, [Server, Host])],
+	% For each Pid, get its presence
+	Sessions4 = [ {ejabberd_c2s:get_presence(Pid), Server, Priority} || {Pid, Server, Priority} <- Sessions3],
+	% Filter by status
+	Fstatus = case Status_required of
+		"all" ->
+			fun(_, _) -> true end;
+		_ ->
+			fun(A, B) -> A == B end
+	end,
+	[{User, Server, Resource, Priority, stringize(Status_text)} 
+	 || {{User, Resource, Status, Status_text}, Server, Priority} <- Sessions4, 
+	 apply(Fstatus, [Status, Status_required])].
+
+% Make string more print-friendly
+stringize(String) ->
+	% Replace newline characters with other code
+	element(2, regexp:gsub(String, "\n", "\\n")).
+
+add_rosteritem(LU, LS, RU, RS, Nick, Group, Subscription, Xattrs) ->
+	subscribe(LU, LS, RU, RS, Nick, Group, Subscription, Xattrs),
+	% TODO: if the server is not local and Subs=to or both: send subscription request
+	% TODO: check if the 'remote server' is a virtual host here, else do nothing
+	%add_rosteritem2(RU, RS, LU, LS, LU, "", invert_subs(Subscription), Xattrs, Host).
+	subscribe(RU, RS, LU, LS, LU, "", invert_subs(Subscription), Xattrs).
+
+invert_subs(none) -> none;
+invert_subs(to) -> none;
+invert_subs(from) -> to;
+invert_subs(both) -> both.
+
+subscribe(LocalUser, LocalServer, RemoteUser, RemoteServer, Nick, Group, Subscription, Xattrs) ->
+	mnesia:transaction(
+		fun() ->
+			mnesia:write({
+				roster,
+				{LocalUser,LocalServer,{RemoteUser,RemoteServer,[]}}, % usj
+				{LocalUser,LocalServer},                 % us
+				{RemoteUser,RemoteServer,[]},      % jid
+				Nick,                  % name: "Mom", []
+				Subscription,  % subscription: none, to=you see him, from=he sees you, both
+				none,          % ask: out=send request, in=somebody requests you, none
+				[Group],       % groups: ["Family"]
+				Xattrs,        % xattrs: [{"category","conference"}]
+				[]             % xs: []
+		})
+	end).
+
+pushroster(File, User, Server) ->
+	{ok, [Roster]} = file:consult(File),
+	subscribe_roster({User, Server, "", User}, Roster).
+
+pushroster_all(File) ->
+	{ok, [Roster]} = file:consult(File),
+	subscribe_all(Roster).
+
+subscribe_all(Roster) ->
+	subscribe_all(Roster, Roster).
+subscribe_all([], _) ->
+	ok;
+subscribe_all([User1 | Users], Roster) ->
+	subscribe_roster(User1, Roster),
+	subscribe_all(Users, Roster).
+
+subscribe_roster(_, []) ->
+	ok;
+% Do not subscribe a user to itself
+subscribe_roster({Name, Server, Group, Nick}, [{Name, Server, _, _} | Roster]) ->
+	subscribe_roster({Name, Server, Group, Nick}, Roster);
+% Subscribe Name2 to Name1
+subscribe_roster({Name1, Server1, Group1, Nick1}, [{Name2, Server2, Group2, Nick2} | Roster]) ->
+	subscribe(Name1, Server1, Name2, Server2, Nick2, Group2, both, []),
+	subscribe_roster({Name1, Server1, Group1, Nick1}, Roster).
+
+push_alltoall(S, G) ->
+	Users = ejabberd_auth:get_vh_registered_users(S),
+	Users2 = build_list_users(G, Users, []),
+	subscribe_all(Users2).
+
+build_list_users(_Group, [], Res) ->
+	Res;
+build_list_users(Group, [{User, Server}|Users], Res) ->
+	build_list_users(Group, Users, [{User, Server, Group, User}|Res]).
+
+vcard_get(User, Server, DataX) ->
+    [{_, _, A1}] = mnesia:dirty_read(vcard, {User, Server}),
+    Elem = vcard_get(DataX, A1),
+    {ok, xml:get_tag_cdata(Elem)}.
+
+vcard_get({Data1, Data2}, A1) ->
+    A2 = xml:get_subtag(A1, Data1),
+    A3 = xml:get_subtag(A2, Data2),
+    case A3 of
+		"" -> A2;
+		_ -> A3
+	end;
+
+vcard_get({Data}, A1) ->
+    xml:get_subtag(A1, Data).
+
+vcard_set(User, Server, Data1, Data2, Content) ->
+	Content2 = {xmlelement, Data2, [], [{xmlcdata,Content}]},
+	R = {xmlelement, Data1, [], [Content2]},
+	vcard_set2(User, Server, R, Data1).
+
+vcard_set(User, Server, Data, Content) ->
+	R = {xmlelement, Data, [], [{xmlcdata,Content}]},
+	vcard_set2(User, Server, R, Data).
+
+vcard_set2(User, Server, R, Data) ->
+	% Get old vcard
+	A4 = case mnesia:dirty_read(vcard, {User, Server}) of
+		[] -> 
+			[R];
+		[{_, _, A1}] ->
+			{_, _, _, A2} = A1,
+			A3 = lists:keydelete(Data, 2, A2),
+			[R | A3]
+	end,
+
+	% Build new vcard
+	SubEl = {xmlelement, "vCard", [{"xmlns","vcard-temp"}], A4},
+	IQ = #iq{type=set, sub_el = SubEl},
+	JID = jlib:make_jid(User, Server, ""),
+
+	mod_vcard:process_sm_iq(JID, JID, IQ),
+	{ok, "done"}.
+
+
+-record(last_activity, {us, timestamp, status}).
+
+delete_older_users(Days) ->
+	% Convert older time
+	SecOlder = Days*24*60*60,
+
+	% Get current time
+	{MegaSecs, Secs, _MicroSecs} = now(),
+	TimeStamp_now = MegaSecs * 1000000 + Secs,
+
+	% Get the list of registered users
+	Users = ejabberd_auth:dirty_get_registered_users(),
+
+	% For a user, remove if required and answer true
+	F = fun({LUser, LServer}) ->
+		% Check if the user is logged
+		case ejabberd_sm:get_user_resources(LUser, LServer) of
+			% If it isn't
+			[] ->
+				% Look for his last_activity
+				case mnesia:dirty_read(last_activity, {LUser, LServer}) of
+				% If it is
+					% existent:
+					[#last_activity{timestamp = TimeStamp}] ->
+						% get his age
+						Sec = TimeStamp_now - TimeStamp,
+						% If he is
+						if 
+							% younger than SecOlder: 
+							Sec < SecOlder ->
+								% do nothing
+								false;
+							% older: 
+							true ->
+								% remove the user
+								ejabberd_auth:remove_user(LUser, LServer),
+								true
+						end;
+					% nonexistent:
+					[] ->
+						% remove the user
+						ejabberd_auth:remove_user(LUser, LServer),
+						true
+				end;
+			% Else
+			_ ->
+				% do nothing
+				false
+		end
+	end,
+	% Apply the function to every user in the list
+	Users_removed = lists:filter(F, Users),
+	{removed, length(Users_removed), Users_removed}.
+
+num_active_users(Host, Days) ->
+	list_last_activity(Host, true, Days).
+
+% Code based on ejabberd/src/web/ejabberd_web_admin.erl
+list_last_activity(Host, Integral, Days) ->
+    {MegaSecs, Secs, _MicroSecs} = now(),
+    TimeStamp = MegaSecs * 1000000 + Secs,
+    TS = TimeStamp - Days * 86400,
+    case catch mnesia:dirty_select(
+		 last_activity, [{{last_activity, {'_', Host}, '$1', '_'},
+				  [{'>', '$1', TS}],
+				  [{'trunc', {'/',
+					      {'-', TimeStamp, '$1'},
+					      86400}}]}]) of
+	{'EXIT', _Reason} ->
+	    [];
+	Vals ->
+	    Hist = histogram(Vals, Integral),
+	    if
+		Hist == [] ->
+		    0;
+		true ->
+		    Left = if
+			       Days == infinity ->
+				   0;
+			       true ->
+				   Days - length(Hist)
+			   end,
+		    Tail = if
+			       Integral ->
+				   lists:duplicate(Left, lists:last(Hist));
+			       true ->
+				   lists:duplicate(Left, 0)
+			   end,
+		    lists:nth(Days, Hist ++ Tail)
+	    end
+    end.
+histogram(Values, Integral) ->
+    histogram(lists:sort(Values), Integral, 0, 0, []).
+histogram([H | T], Integral, Current, Count, Hist) when Current == H ->
+    histogram(T, Integral, Current, Count + 1, Hist);
+histogram([H | _] = Values, Integral, Current, Count, Hist) when Current < H ->
+    if
+	Integral ->
+	    histogram(Values, Integral, Current + 1, Count, [Count | Hist]);
+	true ->
+	    histogram(Values, Integral, Current + 1, 0, [Count | Hist])
+    end;
+histogram([], _Integral, _Current, Count, Hist) ->
+    if
+	Count > 0 ->
+	    lists:reverse([Count | Hist]);
+	true ->
+	    lists:reverse(Hist)
+    end.
+
+
+format_print_room(Host1, Rooms)->
+	lists:foreach(
+		fun({_, {Roomname, Host},_}) ->
+			case Host1 of
+				all ->
+					io:format("~s ~s ~n", [Roomname, Host]);
+				Host ->
+					io:format("~s ~s ~n", [Roomname, Host]);
+				_ ->
+					ok
+			end
+		end,
+		Rooms).
+
+
+%%----------------------------
+%% Purge MUC
+%%----------------------------
+
+% Required for muc_purge
+% Copied from mod_muc/mod_muc_room.erl
+-define(DICT, dict).
+-record(muc_online_room, {name_host, pid}).
+-record(lqueue, {queue, len, max}).
+-record(config, {title = "",
+		 allow_change_subj = true,
+		 allow_query_users = true,
+		 allow_private_messages = true,
+		 public = true,
+		 public_list = true,
+		 persistent = false,
+		 moderated = false, % TODO
+		 members_by_default = true,
+		 members_only = false,
+		 allow_user_invites = false,
+		 password_protected = false,
+		 password = "",
+		 anonymous = true,
+		 logging = false
+		}).
+-record(state, {room,
+		host,
+		server_host,
+		access,
+		jid,
+		config = #config{},
+		users,
+		affiliations,
+		history,
+		subject = "",
+		subject_author = "",
+		just_created = false}).
+
+muc_purge(Days) ->
+	ServerHost = global,
+	Host = global,
+	muc_purge2(ServerHost, Host, Days).
+
+muc_purge(ServerHost, Days) ->
+	Host = find_host(ServerHost),
+	muc_purge2(ServerHost, Host, Days).
+
+muc_purge2(ServerHost, Host, Last_allowed) ->
+	Room_names = get_room_names(Host),
+
+	Decide = fun(N) -> decide(N, Last_allowed) end,
+	Rooms_to_delete = lists:filter(Decide, Room_names),
+
+	Num_rooms = length(Room_names),
+	Num_rooms_to_delete = length(Rooms_to_delete),
+
+	Rooms_to_delete_full = fill_serverhost(Rooms_to_delete, ServerHost),
+
+	Delete = fun({N, H, SH}) -> 
+		mod_muc:room_destroyed(H, N, SH),
+		mod_muc:forget_room(H, N)
+	end,
+	lists:foreach(Delete, Rooms_to_delete_full),
+	{purged, Num_rooms, Num_rooms_to_delete, Rooms_to_delete}.
+
+fill_serverhost(Rooms_to_delete, global) ->
+	ServerHosts1 = ?MYHOSTS,
+	ServerHosts2 = [ {ServerHost, find_host(ServerHost)} || ServerHost <- ServerHosts1],
+	[ {Name, Host, find_serverhost(Host, ServerHosts2)} || {Name, Host} <- Rooms_to_delete];
+fill_serverhost(Rooms_to_delete, ServerHost) ->
+	[ {Name, Host, ServerHost}|| {Name, Host} <- Rooms_to_delete].
+
+find_serverhost(Host, ServerHosts) ->
+	{value, {ServerHost, Host}} = lists:keysearch(Host, 2, ServerHosts),
+	ServerHost.
+
+find_host(ServerHost) ->
+	gen_mod:get_module_opt(ServerHost, mod_muc, host, "conference." ++ ServerHost).
+
+decide({Room_name, Host}, Last_allowed) ->
+	Room_pid = get_room_pid(Room_name, Host),
+
+	C = get_room_config(Room_pid),
+	Persistent = C#config.persistent,
+
+	S = get_room_state(Room_pid),
+	Just_created = S#state.just_created,
+
+	Room_users = S#state.users,
+	Num_users = length(?DICT:to_list(Room_users)),
+
+	History = (S#state.history)#lqueue.queue,
+	Ts_now = calendar:now_to_universal_time(now()),
+	Ts_uptime = element(1, erlang:statistics(wall_clock))/1000,
+	{Have_history, Last} = case queue:is_empty(History) of
+		true ->
+			{false, Ts_uptime};
+		false ->
+			Last_message = queue:last(History),
+			{_, _, _, Ts_last, _} = Last_message,
+			Ts_diff =
+				calendar:datetime_to_gregorian_seconds(Ts_now)
+				- calendar:datetime_to_gregorian_seconds(Ts_last),
+			{true, Ts_diff}
+	end,
+
+	case {Persistent, Just_created, Num_users, Have_history, seconds_to_days(Last)} of
+		{true, false, 0, _, Last_days} 
+		when Last_days > Last_allowed -> 
+			true;
+		_ ->
+			false
+	end.
+
+seconds_to_days(S) ->
+	round(S) div 60*60*24.
+
+get_room_names(Host) ->
+	Get_room_names = fun(Room_reg, Names) ->
+		case {Host, Room_reg#muc_online_room.name_host} of
+			{Host, {Name1, Host}} -> 
+				[{Name1, Host} | Names];
+			{global, {Name1, Host1}} -> 
+				[{Name1, Host1} | Names];
+			_ ->
+				Names
+		end
+	end,
+	ets:foldr(Get_room_names, [], muc_online_room).
+
+get_room_pid(Name, Host) ->
+	[Room_ets] = ets:lookup(muc_online_room, {Name, Host}),
+	Room_ets#muc_online_room.pid.
+
+get_room_config(Room_pid) ->
+	gen_fsm:sync_send_all_state_event(Room_pid, get_config).
+
+get_room_state(Room_pid) ->
+	gen_fsm:sync_send_all_state_event(Room_pid, get_state).