*** empty log message ***

SVN Revision: 43

src/acl.erl

@@ -0,0 +1,51 @@
+%%%----------------------------------------------------------------------
+%%% File    : acl.erl
+%%% Author  : Alexey Shchepin <alexey@sevcom.net>
+%%% Purpose : 
+%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
+%%% Id      : $Id$
+%%%----------------------------------------------------------------------
+
+-module(acl).
+-author('alexey@sevcom.net').
+-vsn('$Revision$ ').
+
+-export([start/0, add/2, match_rule/2, match_acl/2]).
+
+-include("ejabberd.hrl").
+
+start() ->
+    ets:new(acls, [bag, named_table, public]).
+
+
+add(ACLName, ACLData) ->
+    ets:insert(acls, {ACLName, ACLData}).
+
+match_rule(Rule, JID) ->
+    ACLs = ejabberd_config:get_option(Rule),
+    match_acls(ACLs, JID).
+
+match_acls([], _) ->
+    deny;
+match_acls([{Access, ACL} | ACLs], JID) ->
+    case match_acl(ACL, JID) of
+	true ->
+	    Access;
+	_ ->
+	    match_acls(ACLs, JID)
+    end.
+
+match_acl(ACL, JID) ->
+    {User, Server, Resource} = jlib:jid_tolower(JID),
+    lists:any(fun({_, Spec}) ->
+		      case Spec of
+			  all ->
+			      true;
+			  {user, U} ->
+			      (U == User) and (?MYNAME == Server);
+			  {user, U, S} ->
+			      (U == User) and (S == Server);
+			  {server, S} ->
+			      S == Server
+		      end
+	      end, ets:lookup(acls, ACL)).

src/ejabberd.cfg

@@ -1,5 +1,12 @@
 % $Id$
 
+{acl, admin, {user, "aleksey"}}.
+{acl, admin, {user, "ermine"}}.
+{acl, jabberorg, {server, "jabber.org"}}.
+{acl, aleksey, {user, "aleksey", "jabber.ru"}}.
+
+{disco_admin, [{allow, admin},
+	       {deny, all}]}.
 
 {host, "e.localhost"}.
 

src/ejabberd.erl

@@ -19,7 +19,7 @@ start() ->
 
 init() ->
     register(ejabberd, self()),
-    erlang:system_flag(fullsweep_after, 0),
+    %erlang:system_flag(fullsweep_after, 0),
     error_logger:logfile({open, ?ERROR_LOG_PATH}),
     randoms:start(),
     ok = erl_ddll:load_driver(".", expat_erl),
@@ -27,6 +27,7 @@ init() ->
     db_init(),
     sha:start(),
     translate:start(),
+    acl:start(),
     ejabberd_config:start(),
     ejabberd_auth:start(),
     ejabberd_router:start(),

src/ejabberd.hrl

@@ -6,6 +6,8 @@
 %%% Id      : $Id$
 %%%----------------------------------------------------------------------
 
+-define(VERSION, "0.0.1-alpha").
+
 %-define(ejabberd_debug, true).
 %-define(DBGFSM, true).
 

src/ejabberd_config.erl

@@ -22,13 +22,19 @@ start() ->
 load_file(File) ->
     case file:consult(File) of
 	{ok, Terms} ->
-	    lists:foreach(fun({Opt, Val}) ->
-				  ets:insert(ejabberd_config, {Opt, Val})
-			  end, Terms);
+	    lists:foreach(fun process_term/1, Terms);
 	{error, Reason} ->
 	    exit(file:format_error(Reason))
     end.
 
+process_term(Term) ->
+    case Term of
+	{acl, ACLName, ACLData} ->
+	    acl:add(ACLName, ACLData);
+	{Opt, Val} ->
+	    ets:insert(ejabberd_config, {Opt, Val})
+    end.
+
 
 get_option(Opt) ->
     case ets:lookup(ejabberd_config, Opt) of

src/ejabberd_local.erl

@@ -28,6 +28,8 @@ start() ->
     mod_offline:start(),
     mod_echo:start(),
     mod_private:start(),
+    mod_time:start(),
+    mod_version:start(),
     ok.
 
 init() ->
@@ -60,10 +62,8 @@ do_route(State, From, To, Packet) ->
 		"message" ->
 		    ok;
 		"presence" ->
-		    % TODO
 		    ok;
 		_ ->
-		    % DROP
 		    ok
 	    end;
 	{"", _, _} ->

src/ejabberd_router.erl

@@ -101,9 +101,10 @@ loop() ->
 do_route(From, To, Packet) ->
     ?DEBUG("route~n\tfrom ~p~n\tto ~p~n\tpacket ~p~n", [From, To, Packet]),
     {DstNode, DstDomain, DstResourse} = To,
-    case mnesia:dirty_read({local_route, DstDomain}) of
+    LDstDomain = jlib:tolower(DstDomain),
+    case mnesia:dirty_read({local_route, LDstDomain}) of
 	[] ->
-	    case mnesia:dirty_read({route, DstDomain}) of
+	    case mnesia:dirty_read({route, LDstDomain}) of
 		[] ->
 		    ejabberd_s2s ! {route, From, To, Packet};
 		[R] ->

src/ejabberd_sm.erl

@@ -15,6 +15,7 @@
 	 set_presence/3,
 	 unset_presence/2,
 	 dirty_get_sessions_list/0,
+	 dirty_get_my_sessions_list/0,
 	 register_iq_handler/3]).
 
 -include_lib("mnemosyne/include/mnemosyne.hrl").
@@ -250,8 +251,8 @@ do_route(From, To, Packet) ->
 		    ok
 	    end;
 	_ ->
-	    UR = {User, Resource},
-	    Sess = mnesia:dirty_read({session, UR}),
+	    LUR = {jlib:tolower(User), Resource},
+	    Sess = mnesia:dirty_read({session, LUR}),
 	    case Sess of
 		[] ->
 		    if
@@ -261,7 +262,7 @@ do_route(From, To, Packet) ->
 			    ?DEBUG("packet droped~n", [])
 		    end;
 		[Ses] ->
-		    case mnesia:dirty_read({mysession, UR}) of
+		    case mnesia:dirty_read({mysession, LUR}) of
 			[] ->
 			    Node = Ses#session.node,
 			    ?DEBUG("sending to node ~p~n", [Node]),
@@ -344,6 +345,9 @@ get_user_present_resources(User) ->
 dirty_get_sessions_list() ->
     mnesia:dirty_all_keys(session).
 
+dirty_get_my_sessions_list() ->
+    mnesia:dirty_all_keys(mysession).
+
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 

src/jlib.erl

@@ -27,6 +27,7 @@
 	 is_iq_request_type/1,
 	 iq_to_xml/1,
 	 parse_xdata_submit/1,
+	 timestamp_to_iso/1,
 	 timestamp_to_xml/1]).
 
 -include("namespaces.hrl").
@@ -293,6 +294,11 @@ parse_xdata_values([_ | Els], Res) ->
     parse_xdata_values(Els, Res).
 
 
+timestamp_to_iso({{Year, Month, Day}, {Hour, Minute, Second}}) ->
+    lists:flatten(
+      io_lib:format("~4..0w~2..0w~2..0wT~2..0w:~2..0w:~2..0w",
+		    [Year, Month, Day, Hour, Minute, Second])).
+
 timestamp_to_xml({{Year, Month, Day}, {Hour, Minute, Second}}) ->
     {xmlelement, "x",
      [{"xmlns", ?NS_DELAY},
@@ -300,3 +306,4 @@ timestamp_to_xml({{Year, Month, Day}, {Hour, Minute, Second}}) ->
 		  io_lib:format("~4..0w~2..0w~2..0wT~2..0w:~2..0w:~2..0w",
 				[Year, Month, Day, Hour, Minute, Second]))}],
      []}.
+

src/mod_disco.erl

@@ -53,55 +53,19 @@ process_local_iq_items(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
 					    [{"code", "405"}],
 					    [{xmlcdata, "Not Allowed"}]}]};
 	get ->
-	    case string:tokens(xml:get_tag_attr_s("node", SubEl), "/") of
-		[] ->
-		    Domains =
-			lists:map(fun domain_to_xml/1,
-				  ejabberd_router:dirty_get_all_routes()),
-		    {iq, ID, result, XMLNS,
-		     [{xmlelement,
-		       "query",
-		       [{"xmlns", ?NS_DISCO_ITEMS}],
-		       Domains ++
-		       [{xmlelement, "item",
-			 [{"jid", jlib:jid_to_string(To)},
-			  {"name", translate:translate(Lang, "Online Users")},
-			  {"node", "online users"}], []},
-			{xmlelement, "item",
-			 [{"jid", jlib:jid_to_string(To)},
-			  {"name", translate:translate(Lang, "All Users")},
-			  {"node", "all users"}], []},
-			{xmlelement, "item",
-			 [{"jid", jlib:jid_to_string(To)},
-			  {"name", translate:translate(
-				     Lang, "Outgoing S2S connections")},
-			  {"node", "outgoing s2s"}], []}
-		       ]}]};
-		["online users"] ->
+	    Node = string:tokens(xml:get_tag_attr_s("node", SubEl), "/"),
+
+	    case get_local_items(Node, jlib:jid_to_string(To), Lang) of
+		{result, Res} ->
 		    {iq, ID, result, XMLNS,
 		     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		       get_online_users()
+		       Res
 		      }]};
-		["all users"] ->
-		    {iq, ID, result, XMLNS,
-		     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		       get_all_users()
-		      }]};
-		["outgoing s2s"] ->
-		    {iq, ID, result, XMLNS,
-		     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		       get_outgoing_s2s(Lang)
-		      }]};
-		["outgoing s2s", Host] ->
-		    {iq, ID, result, XMLNS,
-		     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		       get_outgoing_s2s(Lang, Host)
-		      }]};
-		_ ->
+		{error, Code, Desc} ->
 		    {iq, ID, error, XMLNS,
 		     [SubEl, {xmlelement, "error",
-			      [{"code", "501"}],
-			      [{xmlcdata, "Not Implemented"}]}]}
+			      [{"code", Code}],
+			      [{xmlcdata, Desc}]}]}
 	    end
     end.
 
@@ -129,6 +93,19 @@ process_local_iq_info(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
 		["online users"] -> ?EMPTY_INFO_RESULT;
 		["all users"] -> ?EMPTY_INFO_RESULT;
 		["outgoing s2s" | _] -> ?EMPTY_INFO_RESULT;
+		["running nodes"] -> ?EMPTY_INFO_RESULT;
+		["stopped nodes"] -> ?EMPTY_INFO_RESULT;
+		["running nodes", ENode] ->
+		    {iq, ID, result, XMLNS, [{xmlelement,
+					      "query",
+					      [{"xmlns", ?NS_DISCO_INFO}],
+					      [{xmlelement, "identity",
+						[{"category", "ejabberd"},
+						 {"type", "node"},
+						 {"name", ENode}], []},
+					       feature_to_xml({?NS_STATS})
+					      ]
+					     }]};
 		_ ->
 		    {iq, ID, error, XMLNS,
 		     [SubEl, {xmlelement, "error",
@@ -145,6 +122,51 @@ domain_to_xml(Domain) ->
     {xmlelement, "item", [{"jid", Domain}], []}.
 
 
+-define(TOP_NODE(Name, Node),
+	{xmlelement, "item",
+	 [{"jid", Server},
+	  {"name", translate:translate(Lang, Name)},
+	  {"node", Node}], []}).
+
+
+get_local_items([], Server, Lang) ->
+    Domains =
+	lists:map(fun domain_to_xml/1,
+		  ejabberd_router:dirty_get_all_routes()),
+    {result,
+       Domains ++
+       [?TOP_NODE("Online Users",             "online users"),
+	?TOP_NODE("All Users",                "all users"),
+	?TOP_NODE("Outgoing S2S connections", "outgoing s2s"),
+	?TOP_NODE("Running Nodes",            "running nodes"),
+	?TOP_NODE("Stopped Nodes",            "stopped nodes")
+       ]};
+
+get_local_items(["online users"], Server, Lang) ->
+    {result, get_online_users()};
+
+get_local_items(["all users"], Server, Lang) ->
+    {result, get_all_users()};
+
+get_local_items(["outgoing s2s"], Server, Lang) ->
+    {result, get_outgoing_s2s(Lang)};
+
+get_local_items(["running nodes"], Server, Lang) ->
+    {result, get_running_nodes(Lang)};
+
+get_local_items(["stopped nodes"], Server, Lang) ->
+    {result, get_stopped_nodes(Lang)};
+
+get_local_items(["running nodes", _], Server, Lang) ->
+    {result, []};
+
+get_local_items(_, _, _) ->
+    {error, "501", "Not Implemented"}.
+
+
+
+
+
 get_online_users() ->
     case catch ejabberd_sm:dirty_get_sessions_list() of
 	{'EXIT', Reason} ->
@@ -208,6 +230,44 @@ get_outgoing_s2s(Lang, To) ->
     end.
 
 
+get_running_nodes(Lang) ->
+    case catch mnesia:system_info(running_db_nodes) of
+	{'EXIT', Reason} ->
+	    [];
+	DBNodes ->
+	    lists:map(
+	      fun(N) ->
+		      S = atom_to_list(N),
+		      {xmlelement, "item",
+		       [{"jid", ?MYNAME},
+			{"node", "running nodes/" ++ S},
+			{"name", S}],
+		       []}
+	      end, lists:sort(DBNodes))
+    end.
+
+get_stopped_nodes(Lang) ->
+    case catch (lists:usort(mnesia:system_info(db_nodes) ++
+			    mnesia:system_info(extra_db_nodes)) --
+		mnesia:system_info(running_db_nodes)) of
+	{'EXIT', Reason} ->
+	    [];
+	DBNodes ->
+	    lists:map(
+	      fun(N) ->
+		      S = atom_to_list(N),
+		      {xmlelement, "item",
+		       [{"jid", ?MYNAME},
+			{"node", "stopped nodes/" ++ S},
+			{"name", S}],
+		       []}
+	      end, lists:sort(DBNodes))
+    end.
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 process_sm_iq_items(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
     {User, _, _} = To,
     case Type of

src/mod_stats.erl

@@ -31,49 +31,16 @@ process_local_iq(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
 	    Node = string:tokens(xml:get_tag_attr_s("node", SubEl), "/"),
 	    Names = get_names(Els, []),
 	    
-	    {T, Res} = get_local_stats(Node, Names),
-	    case T of
-		result ->
-		    {iq, ID, result, ?NS_STATS, Res};
-		error ->
-		    {iq, ID, error, ?NS_STATS, [SubEl ++ Res]}
+	    case get_local_stats(Node, Names) of
+		{result, Res} ->
+		    {iq, ID, result, XMLNS,
+		     [{xmlelement, "query", [{"xmlns", XMLNS}], Res}]};
+		{error, Code, Desc} ->
+		    {iq, ID, error, XMLNS,
+		     [SubEl, {xmlelement, "error",
+			      [{"code", Code}],
+			      [{xmlcdata, Desc}]}]}
 	    end
-
-	    %case Node of
-		%[] ->
-		%    {iq, ID, result, XMLNS,
-		%     [{xmlelement,
-		%       "query",
-		%       [{"xmlns", ?NS_STATS}],
-		%       [{xmlelement, "stat", [{"name", "time/uptime"}], []},
-		%	{xmlelement, "stat", [{"name", "time/cputime"}], []}
-		%       ]}]};
-		%["online users"] ->
-		%    {iq, ID, result, XMLNS,
-		%     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		%       get_online_users()
-		%      }]};
-		%["all users"] ->
-		%    {iq, ID, result, XMLNS,
-		%     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		%       get_all_users()
-		%      }]};
-		%["outgoing s2s"] ->
-		%    {iq, ID, result, XMLNS,
-		%     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		%       get_outgoing_s2s(Lang)
-		%      }]};
-		%["outgoing s2s", Host] ->
-		%    {iq, ID, result, XMLNS,
-		%     [{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
-		%       get_outgoing_s2s(Lang, Host)
-		%      }]};
-		%_ ->
-		%    {iq, ID, error, XMLNS,
-		%     [SubEl, {xmlelement, "error",
-		%	      [{"code", "501"}],
-		%	      [{xmlcdata, "Not Implemented"}]}]}
-	    %end
     end.
 
 
@@ -91,31 +58,39 @@ get_names([_ | Els], Res) ->
     get_names(Els, Res).
 
 
+-define(STAT(Name), {xmlelement, "stat", [{"name", Name}], []}).
+
 get_local_stats([], []) ->
     {result,
-     [{xmlelement,
-       "query",
-       [{"xmlns", ?NS_STATS}],
-       [{xmlelement, "stat", [{"name", "time/uptime"}], []},
-	{xmlelement, "stat", [{"name", "time/cputime"}], []},
-	{xmlelement, "stat", [{"name", "users/online"}], []},
-	{xmlelement, "stat", [{"name", "users/total"}], []}
-       ]}]};
+     [?STAT("users/online"),
+      ?STAT("users/total")
+     ]};
+
 get_local_stats([], Names) ->
+    {result, lists:map(fun(Name) -> get_local_stat([], Name) end, Names)};
+
+get_local_stats(["running nodes", _], []) ->
     {result,
-     [{xmlelement,
-       "query",
-       [{"xmlns", ?NS_STATS}],
-       lists:map(fun(Name) -> get_local_stat([], Name) end, Names)
-      }]};
+     [?STAT("time/uptime"),
+      ?STAT("time/cputime"),
+      ?STAT("users/online")
+     ]};
+
+get_local_stats(["running nodes", ENode], Names) ->
+    case search_running_node(ENode) of
+	false ->
+	    {error, "404", "Not Found"};
+	Node ->
+	    {result,
+	     lists:map(fun(Name) -> get_node_stat(Node, Name) end, Names)}
+    end;
+
 get_local_stats(_, _) ->
-    {error,
-     [{xmlelement, "error",
-       [{"code", "501"}],
-       [{xmlcdata, "Not Implemented"}]}]}.
+    {error, "501", "Not Implemented"}.
 
 
--define(STAT(Val, Unit),
+
+-define(STATVAL(Val, Unit),
 	{xmlelement, "stat",
 	 [{"name", Name},
 	  {"units", Unit},
@@ -130,25 +105,70 @@ get_local_stats(_, _) ->
 	   [{xmlcdata, Desc}]}]}).
 
 
-get_local_stat([], Name) when Name == "time/uptime" ->
-    ?STAT(io_lib:format("~.3f", [element(1, statistics(wall_clock))/1000]),
-	  "seconds");
-get_local_stat([], Name) when Name == "time/cputime" ->
-    ?STAT(io_lib:format("~.3f", [element(1, statistics(runtime))/1000]),
-	  "seconds");
+%get_local_stat([], Name) when Name == "time/uptime" ->
+%    ?STATVAL(io_lib:format("~.3f", [element(1, statistics(wall_clock))/1000]),
+%	     "seconds");
+%get_local_stat([], Name) when Name == "time/cputime" ->
+%    ?STATVAL(io_lib:format("~.3f", [element(1, statistics(runtime))/1000]),
+%	     "seconds");
 get_local_stat([], Name) when Name == "users/online" ->
     case catch ejabberd_sm:dirty_get_sessions_list() of
 	{'EXIT', Reason} ->
 	    ?STATERR("500", "Internal Server Error");
 	Users ->
-	    ?STAT(integer_to_list(length(Users)), "users")
+	    ?STATVAL(integer_to_list(length(Users)), "users")
     end;
 get_local_stat([], Name) when Name == "users/total" ->
     case catch ejabberd_auth:dirty_get_registered_users() of
 	{'EXIT', Reason} ->
 	    ?STATERR("500", "Internal Server Error");
 	Users ->
-	    ?STAT(integer_to_list(length(Users)), "users")
+	    ?STATVAL(integer_to_list(length(Users)), "users")
     end;
 get_local_stat(_, Name) ->
     ?STATERR("404", "Not Found").
+
+
+
+get_node_stat(Node, Name) when Name == "time/uptime" ->
+    case catch rpc:call(Node, erlang, statistics, [wall_clock]) of
+	{badrpc, Reason} ->
+	    ?STATERR("500", "Internal Server Error");
+	CPUTime ->
+	    ?STATVAL(
+	       io_lib:format("~.3f", [element(1, CPUTime)/1000]), "seconds")
+    end;
+
+get_node_stat(Node, Name) when Name == "time/cputime" ->
+    case catch rpc:call(Node, erlang, statistics, [runtime]) of
+	{badrpc, Reason} ->
+	    ?STATERR("500", "Internal Server Error");
+	RunTime ->
+	    ?STATVAL(
+	       io_lib:format("~.3f", [element(1, RunTime)/1000]), "seconds")
+    end;
+
+get_node_stat(Node, Name) when Name == "users/online" ->
+    case catch rpc:call(Node, ejabberd_sm, dirty_get_my_sessions_list, []) of
+	{badrpc, Reason} ->
+	    ?STATERR("500", "Internal Server Error");
+	Users ->
+	    ?STATVAL(integer_to_list(length(Users)), "users")
+    end;
+get_node_stat(_, Name) ->
+    ?STATERR("404", "Not Found").
+
+
+search_running_node(SNode) ->
+    search_running_node(SNode, mnesia:system_info(running_db_nodes)).
+
+search_running_node(_, []) ->
+    false;
+search_running_node(SNode, [Node | Nodes]) ->
+    case atom_to_list(Node) of
+	SNode ->
+	    Node;
+	_ ->
+	    search_running_node(SNode, Nodes)
+    end.
+

src/mod_time.erl

@@ -0,0 +1,45 @@
+%%%----------------------------------------------------------------------
+%%% File    : mod_time.erl
+%%% Author  : Alexey Shchepin <alexey@sevcom.net>
+%%% Purpose : 
+%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
+%%% Id      : $Id$
+%%%----------------------------------------------------------------------
+
+-module(mod_time).
+-author('alexey@sevcom.net').
+-vsn('$Revision$ ').
+
+-export([start/0,
+	 process_local_iq/3]).
+
+-include("ejabberd.hrl").
+-include("namespaces.hrl").
+
+
+
+
+start() ->
+    ejabberd_local:register_iq_handler(?NS_TIME,
+				       ?MODULE, process_local_iq).
+
+
+
+process_local_iq(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
+    case Type of
+	set ->
+	    {iq, ID, error, XMLNS,
+	     [SubEl, {xmlelement, "error",
+		      [{"code", "405"}],
+		      [{xmlcdata, "Not Allowed"}]}]};
+	get ->
+	    UTC = jlib:timestamp_to_iso(calendar:universal_time()),
+	    {iq, ID, result, XMLNS,
+	     [{xmlelement, "query",
+	       [{"xmlns", ?NS_TIME}],
+	       [{xmlelement, "utc", [],
+		 [{xmlcdata, UTC}]}
+	       ]}]}
+    end.
+
+

src/mod_version.erl

@@ -0,0 +1,64 @@
+%%%----------------------------------------------------------------------
+%%% File    : mod_version.erl
+%%% Author  : Alexey Shchepin <alexey@sevcom.net>
+%%% Purpose : 
+%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
+%%% Id      : $Id$
+%%%----------------------------------------------------------------------
+
+-module(mod_version).
+-author('alexey@sevcom.net').
+-vsn('$Revision$ ').
+
+-export([start/0,
+	 process_local_iq/3]).
+
+-include("ejabberd.hrl").
+-include("namespaces.hrl").
+
+
+
+
+start() ->
+    ejabberd_local:register_iq_handler(?NS_VERSION,
+				       ?MODULE, process_local_iq).
+
+
+
+process_local_iq(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
+    case Type of
+	set ->
+	    {iq, ID, error, XMLNS,
+	     [SubEl, {xmlelement, "error",
+		      [{"code", "405"}],
+		      [{xmlcdata, "Not Allowed"}]}]};
+	get ->
+	    OSType = case os:type() of
+			 {Osfamily, Osname} ->
+			     atom_to_list(Osfamily) ++ "/" ++
+				 atom_to_list(Osname);
+			 Osfamily ->
+			     atom_to_list(Osfamily)
+		     end,
+	    OSVersion = case os:version() of
+			    {Major, Minor, Release} ->
+				lists:flatten(
+				  io_lib:format("~w.~w.~w",
+						[Major, Minor, Release]));
+			    VersionString ->
+				VersionString
+			end,
+	    OS = OSType ++ " " ++ OSVersion,
+	    {iq, ID, result, XMLNS,
+	     [{xmlelement, "query",
+	       [{"xmlns", ?NS_VERSION}],
+	       [{xmlelement, "name", [],
+		 [{xmlcdata, "ejabberd"}]},
+		{xmlelement, "version", [],
+		 [{xmlcdata, ?VERSION}]},
+		{xmlelement, "os", [],
+		 [{xmlcdata, OS}]}
+	       ]}]}
+    end.
+
+

src/namespaces.hrl

@@ -13,6 +13,8 @@
 -define(NS_SEARCH,      "jabber:iq:search").
 -define(NS_ROSTER,      "jabber:iq:roster").
 -define(NS_PRIVATE,     "jabber:iq:private").
+-define(NS_VERSION,     "jabber:iq:version").
+-define(NS_TIME,        "jabber:iq:time").
 -define(NS_XDATA,       "jabber:x:data").
 -define(NS_DELAY,       "jabber:x:delay").
 -define(NS_EVENT,       "jabber:x:event").