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xmpp.chapril.org-ejabberd
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Merge branch 'new_stream' 

Conflicts:
	src/cyrsasl.erl
	src/ejabberd_c2s.erl
	src/ejabberd_cluster.erl
	src/ejabberd_frontend_socket.erl
	src/ejabberd_node_groups.erl
	src/ejabberd_router.erl
	src/mod_bosh.erl
	src/mod_ip_blacklist.erl
	src/mod_muc_mnesia.erl
	src/mod_offline.erl
	src/mod_proxy65_sm.erl
This commit is contained in:
Evgeniy Khramtsov 2017-01-20 19:35:46 +03:00
parent 3b2c2b5c04 044e55b98e
commit d5d906184f
86 changed files with 8732 additions and 7629 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ejabberd.yml.example
View File

@ -702,6 +702,10 @@ modules:
mod_vcard:
search: false
mod_version: {}
# Since 17.02 S2S Dialback (XEP-0220) and Stream Management (XEP-0198)
# are implemented in modules
mod_s2s_dialback: {}
mod_sm: {}
##
## Enable modules with custom options in a specific virtual host

2
include/ejabberd.hrl
View File

@ -41,8 +41,6 @@
-define(COPYRIGHT, "Copyright (c) 2002-2017 ProcessOne").
-define(S2STIMEOUT, timer:minutes(10)).
%%-define(DBGFSM, true).
-record(scram,

6
include/ejabberd_router.hrl Normal file
View File

@ -0,0 +1,6 @@
-type local_hint() :: undefined | integer() | {apply, atom(), atom()}.
-record(route, {domain :: binary(),
server_host :: binary(),
pid :: undefined | pid(),
local_hint :: local_hint()}).

14
include/mod_muc.hrl
View File

@ -22,11 +22,15 @@
{'_', binary()},
opts = [] :: list() | '_'}).
-record(muc_online_room,
{name_host = {<<"">>, <<"">>} :: {binary(), binary()} | '$1' |
{'_', binary()} | '_',
pid = self() :: pid() | '$2' | '_' | '$1'}).
-record(muc_registered,
{us_host = {{<<"">>, <<"">>}, <<"">>} :: {{binary(), binary()}, binary()} | '$1',
nick = <<"">> :: binary()}).
-record(muc_online_room,
{name_host :: {binary(), binary()} | '$1' | {'_', binary()} | '_',
pid :: pid() | '$2' | '_' | '$1'}).
-record(muc_online_users, {us :: {binary(), binary()},
resource :: binary() | '_',
room :: binary() | '_' | '$1',
host :: binary() | '_' | '$2'}).

7
include/mod_muc_room.hrl
View File

@ -120,10 +120,3 @@
room_shaper = none :: shaper:shaper(),
room_queue = queue:new() :: ?TQUEUE
}).
-record(muc_online_users, {us = {<<>>, <<>>} :: {binary(), binary()},
resource = <<>> :: binary() | '_',
room = <<>> :: binary() | '_' | '$1',
host = <<>> :: binary() | '_' | '$2'}).
-type muc_online_users() :: #muc_online_users{}.

47
src/cyrsasl.erl
View File

@ -25,13 +25,11 @@
-module(cyrsasl).
-behaviour(ejabberd_config).
-author('alexey@process-one.net').
-export([start/0, register_mechanism/3, listmech/1,
server_new/7, server_start/3, server_step/2,
get_mech/1, format_error/2, opt_type/1]).
get_mech/1, format_error/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -113,15 +111,9 @@ format_error(Mech, Reason) ->
PasswordType :: password_type()) -> any().
register_mechanism(Mechanism, Module, PasswordType) ->
case is_disabled(Mechanism) of
false ->
ets:insert(sasl_mechanism,
#sasl_mechanism{mechanism = Mechanism, module = Module,
password_type = PasswordType});
true ->
?DEBUG("SASL mechanism ~p is disabled", [Mechanism]),
true
end.
password_type = PasswordType}).
check_credentials(_State, Props) ->
User = proplists:get_value(authzid, Props, <<>>),
@ -134,7 +126,7 @@ check_credentials(_State, Props) ->
-spec listmech(Host ::binary()) -> Mechanisms::mechanisms().
listmech(Host) ->
Mechs = ets:select(sasl_mechanism,
ets:select(sasl_mechanism,
[{#sasl_mechanism{mechanism = '$1',
password_type = '$2', _ = '_'},
case catch ejabberd_auth:store_type(Host) of
@ -146,8 +138,7 @@ listmech(Host) ->
[];
_Else -> []
end,
['$1']}]),
filter_anonymous(Host, Mechs).
['$1']}]).
-spec server_new(binary(), binary(), binary(), term(),
fun(), fun(), fun()) -> sasl_state().
@ -206,33 +197,3 @@ server_step(State, ClientIn) ->
-spec get_mech(sasl_state()) -> binary().
get_mech(#sasl_state{mech_name = Mech}) ->
Mech.
%% Remove the anonymous mechanism from the list if not enabled for the given
%% host
%%
-spec filter_anonymous(Host :: binary(), Mechs :: mechanisms()) -> mechanisms().
filter_anonymous(Host, Mechs) ->
case ejabberd_auth_anonymous:is_sasl_anonymous_enabled(Host) of
true -> Mechs;
false -> Mechs -- [<<"ANONYMOUS">>]
end.
-spec is_disabled(Mechanism :: mechanism()) -> boolean().
is_disabled(Mechanism) ->
Disabled = ejabberd_config:get_option(
disable_sasl_mechanisms,
fun(V) when is_list(V) ->
lists:map(fun(M) -> str:to_upper(M) end, V);
(V) ->
[str:to_upper(V)]
end, []),
lists:member(Mechanism, Disabled).
opt_type(disable_sasl_mechanisms) ->
fun (V) when is_list(V) ->
lists:map(fun (M) -> str:to_upper(M) end, V);
(V) -> [str:to_upper(V)]
end;
opt_type(_) -> [disable_sasl_mechanisms].

2
src/cyrsasl_digest.erl
View File

@ -59,7 +59,7 @@
start(_Opts) ->
Fqdn = get_local_fqdn(),
?INFO_MSG("FQDN used to check DIGEST-MD5 SASL authentication: ~p",
?INFO_MSG("FQDN used to check DIGEST-MD5 SASL authentication: ~s",
[Fqdn]),
cyrsasl:register_mechanism(<<"DIGEST-MD5">>, ?MODULE,
digest).

2
src/ejabberd_admin.erl
View File

@ -414,7 +414,7 @@ send_service_message_all_mucs(Subject, AnnouncementText) ->
fun(ServerHost) ->
MUCHost = gen_mod:get_module_opt_host(
ServerHost, mod_muc, <<"conference.@HOST@">>),
mod_muc:broadcast_service_message(MUCHost, Message)
mod_muc:broadcast_service_message(ServerHost, MUCHost, Message)
end,
?MYHOSTS).

12
src/ejabberd_app.erl
View File

@ -54,8 +54,6 @@ start(normal, _Args) ->
ejabberd_ctl:init(),
ejabberd_commands:init(),
ejabberd_admin:start(),
gen_mod:start(),
ext_mod:start(),
setup_if_elixir_conf_used(),
ejabberd_config:start(),
set_settings_from_config(),
@ -66,11 +64,13 @@ start(normal, _Args) ->
ejabberd_rdbms:start(),
ejabberd_riak_sup:start(),
ejabberd_redis:start(),
ejabberd_router:start(),
ejabberd_router_multicast:start(),
ejabberd_local:start(),
ejabberd_sm:start(),
cyrsasl:start(),
% Profiling
%ejabberd_debug:eprof_start(),
%ejabberd_debug:fprof_start(),
gen_mod:start(),
ext_mod:start(),
maybe_add_nameservers(),
ejabberd_auth:start(),
ejabberd_oauth:start(),
@ -169,7 +169,7 @@ broadcast_c2s_shutdown() ->
Children = ejabberd_sm:get_all_pids(),
lists:foreach(
fun(C2SPid) when node(C2SPid) == node() ->
C2SPid ! system_shutdown;
ejabberd_c2s:send(C2SPid, xmpp:serr_system_shutdown());
(_) ->
ok
end, Children).

11
src/ejabberd_auth.erl
View File

@ -42,7 +42,7 @@
get_password_s/2, get_password_with_authmodule/2,
is_user_exists/2, is_user_exists_in_other_modules/3,
remove_user/2, remove_user/3, plain_password_required/1,
store_type/1, entropy/1]).
store_type/1, entropy/1, backend_type/1]).
-export([auth_modules/1, opt_type/1]).
@ -188,7 +188,7 @@ try_register(User, Server, Password) ->
true -> {atomic, exists};
false ->
LServer = jid:nameprep(Server),
case lists:member(LServer, ?MYHOSTS) of
case ejabberd_router:is_my_host(LServer) of
true ->
Res = lists:foldl(fun (_M, {atomic, ok} = Res) -> Res;
(M, _) ->
@ -412,6 +412,13 @@ entropy(B) ->
length(S) * math:log(lists:sum(Set)) / math:log(2)
end.
-spec backend_type(atom()) -> atom().
backend_type(Mod) ->
case atom_to_list(Mod) of
"ejabberd_auth_" ++ T -> list_to_atom(T);
_ -> Mod
end.
%%%----------------------------------------------------------------------
%%% Internal functions
%%%----------------------------------------------------------------------

71
src/ejabberd_auth_anonymous.erl
View File

@ -52,17 +52,7 @@
-include("logger.hrl").
-include("jid.hrl").
%% Create the anonymous table if at least one virtual host has anonymous features enabled
%% Register to login / logout events
-record(anonymous, {us = {<<"">>, <<"">>} :: {binary(), binary()},
sid = ejabberd_sm:make_sid() :: ejabberd_sm:sid()}).
start(Host) ->
%% TODO: Check cluster mode
ejabberd_mnesia:create(?MODULE, anonymous, [{ram_copies, [node()]},
{type, bag},
{attributes, record_info(fields, anonymous)}]),
%% The hooks are needed to add / remove users from the anonymous tables
ejabberd_hooks:add(sm_register_connection_hook, Host,
?MODULE, register_connection, 100),
ejabberd_hooks:add(sm_remove_connection_hook, Host,
@ -119,56 +109,33 @@ allow_multiple_connections(Host) ->
fun(V) when is_boolean(V) -> V end,
false).
%% Check if user exist in the anonymus database
anonymous_user_exist(User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
US = {LUser, LServer},
case catch mnesia:dirty_read({anonymous, US}) of
[] ->
false;
[_H|_T] ->
true
end.
%% Remove connection from Mnesia tables
remove_connection(SID, LUser, LServer) ->
US = {LUser, LServer},
F = fun () -> mnesia:delete_object({anonymous, US, SID})
end,
mnesia:transaction(F).
lists:any(
fun({_LResource, Info}) ->
proplists:get_value(auth_module, Info) == ?MODULE
end, ejabberd_sm:get_user_info(User, Server)).
%% Register connection
-spec register_connection(ejabberd_sm:sid(), jid(), ejabberd_sm:info()) -> ok.
register_connection(SID,
register_connection(_SID,
#jid{luser = LUser, lserver = LServer}, Info) ->
AuthModule = proplists:get_value(auth_module, Info, undefined),
case AuthModule == (?MODULE) of
true ->
ejabberd_hooks:run(register_user, LServer,
[LUser, LServer]),
US = {LUser, LServer},
mnesia:sync_dirty(fun () ->
mnesia:write(#anonymous{us = US,
sid = SID})
end);
false -> ok
case proplists:get_value(auth_module, Info) of
?MODULE ->
ejabberd_hooks:run(register_user, LServer, [LUser, LServer]);
false ->
ok
end.
%% Remove an anonymous user from the anonymous users table
-spec unregister_connection(ejabberd_sm:sid(), jid(), ejabberd_sm:info()) -> any().
unregister_connection(SID,
#jid{luser = LUser, lserver = LServer}, _) ->
purge_hook(anonymous_user_exist(LUser, LServer), LUser,
LServer),
remove_connection(SID, LUser, LServer).
%% Launch the hook to purge user data only for anonymous users
purge_hook(false, _LUser, _LServer) ->
ok;
purge_hook(true, LUser, LServer) ->
ejabberd_hooks:run(anonymous_purge_hook, LServer,
[LUser, LServer]).
unregister_connection(_SID,
#jid{luser = LUser, lserver = LServer}, Info) ->
case proplists:get_value(auth_module, Info) of
?MODULE ->
ejabberd_hooks:run(remove_user, LServer, [LUser, LServer]);
_ ->
ok
end.
%% ---------------------------------
%% Specific anonymous auth functions
@ -258,8 +225,6 @@ get_password_s(User, Server) ->
Password
end.
%% Returns true if the user exists in the DB or if an anonymous user is logged
%% under the given name
is_user_exists(User, Server) ->
anonymous_user_exist(User, Server).

2
src/ejabberd_bosh.erl
View File

@ -49,7 +49,7 @@
-include("ejabberd.hrl").
-include("logger.hrl").
-include("jlib.hrl").
-include("xmpp.hrl").
-include("ejabberd_http.hrl").

3499
src/ejabberd_c2s.erl
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File diff suppressed because it is too large Load Diff

29
src/ejabberd_cluster.erl
View File

@ -28,6 +28,7 @@
%% API
-export([get_nodes/0, call/4, multicall/3, multicall/4]).
-export([join/1, leave/1, get_known_nodes/0]).
-export([node_id/0, get_node_by_id/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -108,3 +109,31 @@ leave([Master|_], Node) ->
erlang:halt(0)
end),
ok.
-spec node_id() -> binary().
node_id() ->
integer_to_binary(erlang:phash2(node())).
-spec get_node_by_id(binary()) -> node().
get_node_by_id(Hash) ->
try binary_to_integer(Hash) of
I -> match_node_id(I)
catch _:_ ->
node()
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec match_node_id(integer()) -> node().
match_node_id(I) ->
match_node_id(I, get_nodes()).
-spec match_node_id(integer(), [node()]) -> node().
match_node_id(I, [Node|Nodes]) ->
case erlang:phash2(Node) of
I -> Node;
_ -> match_node_id(I, Nodes)
end;
match_node_id(_I, []) ->
node().

52
src/ejabberd_config.erl
View File

@ -35,10 +35,12 @@
get_version/0, get_myhosts/0, get_mylang/0,
get_ejabberd_config_path/0, is_using_elixir_config/0,
prepare_opt_val/4, convert_table_to_binary/5,
transform_options/1, collect_options/1, default_db/2,
transform_options/1, collect_options/1,
convert_to_yaml/1, convert_to_yaml/2, v_db/2,
env_binary_to_list/2, opt_type/1, may_hide_data/1,
is_elixir_enabled/0, v_dbs/1, v_dbs_mods/1]).
is_elixir_enabled/0, v_dbs/1, v_dbs_mods/1,
default_db/1, default_db/2, default_ram_db/1, default_ram_db/2,
fsm_limit_opts/1]).
-export([start/2]).
@ -906,11 +908,26 @@ v_dbs_mods(Mod) ->
(atom_to_binary(M, utf8))/binary>>, utf8)
end, ets:match(module_db, {Mod, '$1'})).
-spec default_db(binary(), module()) -> atom().
-spec default_db(module()) -> atom().
default_db(Module) ->
default_db(global, Module).
-spec default_db(binary(), module()) -> atom().
default_db(Host, Module) ->
default_db(default_db, Host, Module).
-spec default_ram_db(module()) -> atom().
default_ram_db(Module) ->
default_ram_db(global, Module).
-spec default_ram_db(binary(), module()) -> atom().
default_ram_db(Host, Module) ->
default_db(default_ram_db, Host, Module).
-spec default_db(default_db | default_ram_db, binary(), module()) -> atom().
default_db(Opt, Host, Module) ->
case ejabberd_config:get_option(
{default_db, Host}, fun(T) when is_atom(T) -> T end) of
{Opt, Host}, fun(T) when is_atom(T) -> T end) of
undefined ->
mnesia;
DBType ->
@ -918,8 +935,8 @@ default_db(Host, Module) ->
v_db(Module, DBType)
catch error:badarg ->
?WARNING_MSG("Module '~s' doesn't support database '~s' "
"defined in option 'default_db', using "
"'mnesia' as fallback", [Module, DBType]),
"defined in option '~s', using "
"'mnesia' as fallback", [Module, DBType, Opt]),
mnesia
end
end.
@ -1405,8 +1422,15 @@ opt_type(hosts) ->
end;
opt_type(language) ->
fun iolist_to_binary/1;
opt_type(max_fsm_queue) ->
fun (I) when is_integer(I), I > 0 -> I end;
opt_type(default_db) ->
fun(T) when is_atom(T) -> T end;
opt_type(default_ram_db) ->
fun(T) when is_atom(T) -> T end;
opt_type(_) ->
[hide_sensitive_log_data, hosts, language].
[hide_sensitive_log_data, hosts, language,
default_db, default_ram_db].
-spec may_hide_data(string()) -> string();
(binary()) -> binary().
@ -1423,3 +1447,17 @@ may_hide_data(Data) ->
true ->
"hidden_by_ejabberd"
end.
-spec fsm_limit_opts([proplists:property()]) -> [{max_queue, pos_integer()}].
fsm_limit_opts(Opts) ->
case lists:keyfind(max_fsm_queue, 1, Opts) of
{_, I} when is_integer(I), I>0 ->
[{max_queue, I}];
false ->
case get_option(
max_fsm_queue,
fun(I) when is_integer(I), I>0 -> I end) of
undefined -> [];
N -> [{max_queue, N}]
end
end.

261
src/ejabberd_frontend_socket.erl
View File

@ -1,261 +0,0 @@
%%%-------------------------------------------------------------------
%%% File : ejabberd_frontend_socket.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Frontend socket with zlib and TLS support library
%%% Created : 23 Aug 2006 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_frontend_socket).
-author('alexey@process-one.net').
-behaviour(gen_server).
%% API
-export([start/4,
start_link/5,
%connect/3,
starttls/2,
starttls/3,
compress/1,
compress/2,
reset_stream/1,
send/2,
change_shaper/2,
monitor/1,
get_sockmod/1,
get_transport/1,
get_peer_certificate/1,
get_verify_result/1,
close/1,
sockname/1, peername/1]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3]).
-record(state, {sockmod, socket, receiver}).
-define(HIBERNATE_TIMEOUT, 90000).
%%====================================================================
%% API
%%====================================================================
start_link(Module, SockMod, Socket, Opts, Receiver) ->
gen_server:start_link(?MODULE,
[Module, SockMod, Socket, Opts, Receiver], []).
start(Module, SockMod, Socket, Opts) ->
case Module:socket_type() of
xml_stream ->
MaxStanzaSize = case lists:keysearch(max_stanza_size, 1,
Opts)
of
{value, {_, Size}} -> Size;
_ -> infinity
end,
Receiver = ejabberd_receiver:start(Socket, SockMod,
none, MaxStanzaSize),
case SockMod:controlling_process(Socket, Receiver) of
ok -> ok;
{error, _Reason} -> SockMod:close(Socket)
end,
supervisor:start_child(ejabberd_frontend_socket_sup,
[Module, SockMod, Socket, Opts, Receiver]);
raw ->
%{ok, Pid} = Module:start({SockMod, Socket}, Opts),
%case SockMod:controlling_process(Socket, Pid) of
% ok ->
% ok;
% {error, _Reason} ->
% SockMod:close(Socket)
%end
todo
end.
starttls(FsmRef, _TLSOpts) ->
%% TODO: Frontend improvements planned by Aleksey
%%gen_server:call(FsmRef, {starttls, TLSOpts}),
FsmRef.
starttls(FsmRef, TLSOpts, Data) ->
gen_server:call(FsmRef, {starttls, TLSOpts, Data}),
FsmRef.
compress(FsmRef) -> compress(FsmRef, undefined).
compress(FsmRef, Data) ->
gen_server:call(FsmRef, {compress, Data}), FsmRef.
reset_stream(FsmRef) ->
gen_server:call(FsmRef, reset_stream).
send(FsmRef, Data) ->
gen_server:call(FsmRef, {send, Data}).
change_shaper(FsmRef, Shaper) ->
gen_server:call(FsmRef, {change_shaper, Shaper}).
monitor(FsmRef) -> erlang:monitor(process, FsmRef).
get_sockmod(FsmRef) ->
gen_server:call(FsmRef, get_sockmod).
get_transport(FsmRef) ->
gen_server:call(FsmRef, get_transport).
get_peer_certificate(FsmRef) ->
gen_server:call(FsmRef, get_peer_certificate).
get_verify_result(FsmRef) ->
gen_server:call(FsmRef, get_verify_result).
close(FsmRef) -> gen_server:call(FsmRef, close).
sockname(FsmRef) -> gen_server:call(FsmRef, sockname).
peername(_FsmRef) ->
%% TODO: Frontend improvements planned by Aleksey
%%gen_server:call(FsmRef, peername).
{ok, {{0, 0, 0, 0}, 0}}.
%%====================================================================
%% gen_server callbacks
%%====================================================================
init([Module, SockMod, Socket, Opts, Receiver]) ->
Node = ejabberd_node_groups:get_closest_node(backend),
{SockMod2, Socket2} = check_starttls(SockMod, Socket, Receiver, Opts),
{ok, Pid} =
rpc:call(Node, Module, start, [{?MODULE, self()}, Opts]),
ejabberd_receiver:become_controller(Receiver, Pid),
{ok, #state{sockmod = SockMod2,
socket = Socket2,
receiver = Receiver}}.
handle_call({starttls, TLSOpts}, _From, State) ->
{ok, TLSSocket} = fast_tls:tcp_to_tls(State#state.socket, TLSOpts),
ejabberd_receiver:starttls(State#state.receiver, TLSSocket),
Reply = ok,
{reply, Reply, State#state{socket = TLSSocket, sockmod = fast_tls},
?HIBERNATE_TIMEOUT};
handle_call({starttls, TLSOpts, Data}, _From, State) ->
{ok, TLSSocket} = fast_tls:tcp_to_tls(State#state.socket, TLSOpts),
ejabberd_receiver:starttls(State#state.receiver, TLSSocket),
catch (State#state.sockmod):send(
State#state.socket, Data),
Reply = ok,
{reply, Reply,
State#state{socket = TLSSocket, sockmod = fast_tls},
?HIBERNATE_TIMEOUT};
handle_call({compress, Data}, _From, State) ->
{ok, ZlibSocket} =
ejabberd_receiver:compress(State#state.receiver, Data),
Reply = ok,
{reply, Reply,
State#state{socket = ZlibSocket, sockmod = ezlib},
?HIBERNATE_TIMEOUT};
handle_call(reset_stream, _From, State) ->
ejabberd_receiver:reset_stream(State#state.receiver),
Reply = ok,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call({send, Data}, _From, State) ->
catch (State#state.sockmod):send(State#state.socket, Data),
Reply = ok,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call({change_shaper, Shaper}, _From, State) ->
ejabberd_receiver:change_shaper(State#state.receiver,
Shaper),
Reply = ok,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(get_sockmod, _From, State) ->
Reply = State#state.sockmod,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(get_transport, _From, State) ->
Reply = case State#state.sockmod of
gen_tcp -> tcp;
fast_tls -> tls;
ezlib ->
case ezlib:get_sockmod(State#state.socket) of
tcp -> tcp_zlib;
tls -> tls_zlib
end;
ejabberd_http_bind -> http_bind;
ejabberd_http_ws -> websocket
end,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(get_peer_certificate, _From, State) ->
Reply = fast_tls:get_peer_certificate(State#state.socket),
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(get_verify_result, _From, State) ->
Reply = fast_tls:get_verify_result(State#state.socket),
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(close, _From, State) ->
ejabberd_receiver:close(State#state.receiver),
Reply = ok,
{stop, normal, Reply, State};
handle_call(sockname, _From, State) ->
#state{sockmod = SockMod, socket = Socket} = State,
Reply =
case SockMod of
gen_tcp ->
inet:sockname(Socket);
_ ->
SockMod:sockname(Socket)
end,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(peername, _From, State) ->
#state{sockmod = SockMod, socket = Socket} = State,
Reply = case SockMod of
gen_tcp -> inet:peername(Socket);
_ -> SockMod:peername(Socket)
end,
{reply, Reply, State, ?HIBERNATE_TIMEOUT};
handle_call(_Request, _From, State) ->
Reply = ok, {reply, Reply, State, ?HIBERNATE_TIMEOUT}.
handle_cast(_Msg, State) ->
{noreply, State, ?HIBERNATE_TIMEOUT}.
handle_info(timeout, State) ->
proc_lib:hibernate(gen_server, enter_loop,
[?MODULE, [], State]),
{noreply, State, ?HIBERNATE_TIMEOUT};
handle_info(_Info, State) ->
{noreply, State, ?HIBERNATE_TIMEOUT}.
terminate(_Reason, _State) -> ok.
code_change(_OldVsn, State, _Extra) -> {ok, State}.
check_starttls(SockMod, Socket, Receiver, Opts) ->
TLSEnabled = proplists:get_bool(tls, Opts),
TLSOpts = lists:filter(fun({certfile, _}) -> true;
(_) -> false
end, Opts),
if TLSEnabled ->
{ok, TLSSocket} = fast_tls:tcp_to_tls(Socket, TLSOpts),
ejabberd_receiver:starttls(Receiver, TLSSocket),
{fast_tls, TLSSocket};
true ->
{SockMod, Socket}
end.

29
src/ejabberd_hooks.erl
View File

@ -326,10 +326,9 @@ run1([{_Seq, Node, Module, Function} | Ls], Hook, Args) ->
run1(Ls, Hook, Args)
end;
run1([{_Seq, Module, Function} | Ls], Hook, Args) ->
Res = safe_apply(Module, Function, Args),
Res = safe_apply(Hook, Module, Function, Args),
case Res of
{'EXIT', Reason} ->
?ERROR_MSG("~p~nrunning hook: ~p", [Reason, {Hook, Args}]),
'EXIT' ->
run1(Ls, Hook, Args);
stop ->
ok;
@ -362,10 +361,9 @@ run_fold1([{_Seq, Node, Module, Function} | Ls], Hook, Val, Args) ->
run_fold1(Ls, Hook, NewVal, Args)
end;
run_fold1([{_Seq, Module, Function} | Ls], Hook, Val, Args) ->
Res = safe_apply(Module, Function, [Val | Args]),
Res = safe_apply(Hook, Module, Function, [Val | Args]),
case Res of
{'EXIT', Reason} ->
?ERROR_MSG("~p~nrunning hook: ~p", [Reason, {Hook, Args}]),
'EXIT' ->
run_fold1(Ls, Hook, Val, Args);
stop ->
stopped;
@ -375,9 +373,20 @@ run_fold1([{_Seq, Module, Function} | Ls], Hook, Val, Args) ->
run_fold1(Ls, Hook, NewVal, Args)
end.
safe_apply(Module, Function, Args) ->
if is_function(Function) ->
catch apply(Function, Args);
safe_apply(Hook, Module, Function, Args) ->
try if is_function(Function) ->
apply(Function, Args);
true ->
catch apply(Module, Function, Args)
apply(Module, Function, Args)
end
catch E:R when E /= exit, R /= normal ->
?ERROR_MSG("Hook ~p crashed when running ~p:~p/~p:~n"
"** Reason = ~p~n"
"** Arguments = ~p",
[Hook, Module, Function, length(Args),
{E, R, get_stacktrace()}, Args]),
'EXIT'
end.
get_stacktrace() ->
[{Mod, Fun, Loc, Args} || {Mod, Fun, Args, Loc} <- erlang:get_stacktrace()].

2
src/ejabberd_http.erl
View File

@ -327,7 +327,7 @@ add_header(Name, Value, State)->
get_host_really_served(undefined, Provided) ->
Provided;
get_host_really_served(Default, Provided) ->
case lists:member(Provided, ?MYHOSTS) of
case ejabberd_router:is_my_host(Provided) of
true -> Provided;
false -> Default
end.

2
src/ejabberd_http_ws.erl
View File

@ -120,7 +120,7 @@ init([{#ws{ip = IP, http_opts = HOpts}, _} = WS]) ->
({resend_on_timeout, _}) -> true;
(_) -> false
end, HOpts),
Opts = [{xml_socket, true} | ejabberd_c2s_config:get_c2s_limits() ++ SOpts],
Opts = ejabberd_c2s_config:get_c2s_limits() ++ SOpts,
PingInterval = ejabberd_config:get_option(
{websocket_ping_interval, ?MYNAME},
fun(I) when is_integer(I), I>=0 -> I end,

47
src/ejabberd_listener.erl
View File

@ -56,8 +56,7 @@ bind_tcp_ports() ->
Ls ->
lists:foreach(
fun({Port, Module, Opts}) ->
ModuleRaw = strip_frontend(Module),
case ModuleRaw:socket_type() of
case Module:socket_type() of
independent -> ok;
_ ->
bind_tcp_port(Port, Module, Opts)
@ -112,9 +111,8 @@ report_duplicated_portips(L) ->
start(Port, Module, Opts) ->
%% Check if the module is an ejabberd listener or an independent listener
ModuleRaw = strip_frontend(Module),
case ModuleRaw:socket_type() of
independent -> ModuleRaw:start_listener(Port, Opts);
case Module:socket_type() of
independent -> Module:start_listener(Port, Opts);
_ -> start_dependent(Port, Module, Opts)
end.
@ -186,7 +184,9 @@ init_tcp(PortIP, Module, Opts, SockOpts, Port, IPS) ->
listen_tcp(PortIP, Module, SockOpts, Port, IPS) ->
case ets:lookup(listen_sockets, PortIP) of
[{PortIP, ListenSocket}] ->
?INFO_MSG("Reusing listening port for ~p", [PortIP]),
{_, _, Transport} = PortIP,
?INFO_MSG("Reusing listening ~s port ~p at ~s",
[Transport, Port, IPS]),
ets:delete(listen_sockets, PortIP),
ListenSocket;
_ ->
@ -330,21 +330,22 @@ accept(ListenSocket, Module, Opts, Interval) ->
{ok, Socket} ->
case {inet:sockname(Socket), inet:peername(Socket)} of
{{ok, {Addr, Port}}, {ok, {PAddr, PPort}}} ->
?INFO_MSG("(~w) Accepted connection ~s:~p -> ~s:~p",
[Socket, ejabberd_config:may_hide_data(inet_parse:ntoa(PAddr)), PPort,
inet_parse:ntoa(Addr), Port]);
Receiver = case ejabberd_socket:start(Module,
gen_tcp, Socket, Opts) of
{ok, RecvPid} -> RecvPid;
_ -> none
end,
?INFO_MSG("(~p) Accepted connection ~s:~p -> ~s:~p",
[Receiver,
ejabberd_config:may_hide_data(inet_parse:ntoa(PAddr)),
PPort, inet_parse:ntoa(Addr), Port]);
_ ->
ok
end,
CallMod = case is_frontend(Module) of
true -> ejabberd_frontend_socket;
false -> ejabberd_socket
end,
CallMod:start(strip_frontend(Module), gen_tcp, Socket, Opts),
accept(ListenSocket, Module, Opts, NewInterval);
{error, Reason} ->
?ERROR_MSG("(~w) Failed TCP accept: ~w",
[ListenSocket, Reason]),
?ERROR_MSG("(~w) Failed TCP accept: ~s",
[ListenSocket, inet:format_error(Reason)]),
accept(ListenSocket, Module, Opts, NewInterval)
end.
@ -394,7 +395,7 @@ start_module_sup(_Port, Module) ->
Proc1 = gen_mod:get_module_proc(<<"sup">>, Module),
ChildSpec1 =
{Proc1,
{ejabberd_tmp_sup, start_link, [Proc1, strip_frontend(Module)]},
{ejabberd_tmp_sup, start_link, [Proc1, Module]},
permanent,
infinity,
supervisor,
@ -489,18 +490,6 @@ delete_listener(PortIP, Module, Opts) ->
stop_listener(PortIP1, Module).
-spec is_frontend({frontend, module} | module()) -> boolean().
is_frontend({frontend, _Module}) -> true;
is_frontend(_) -> false.
%% @doc(FrontMod) -> atom()
%% where FrontMod = atom() | {frontend, atom()}
-spec strip_frontend({frontend, module()} | module()) -> module().
strip_frontend({frontend, Module}) -> Module;
strip_frontend(Module) when is_atom(Module) -> Module.
maybe_start_sip(esip_socket) ->
ejabberd:start_app(esip);
maybe_start_sip(_) ->

38
src/ejabberd_local.erl
View File

@ -30,14 +30,13 @@
-behaviour(gen_server).
%% API
-export([start_link/0]).
-export([start/0, start_link/0]).
-export([route/3, route_iq/4, route_iq/5, process_iq/3,
process_iq_reply/3, register_iq_handler/4,
register_iq_handler/5, register_iq_response_handler/4,
register_iq_response_handler/5, unregister_iq_handler/2,
unregister_iq_response_handler/2, refresh_iq_handlers/0,
bounce_resource_packet/3]).
unregister_iq_response_handler/2, bounce_resource_packet/3]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2,
@ -69,6 +68,11 @@
%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
%% Description: Starts the server
%%--------------------------------------------------------------------
start() ->
ChildSpec = {?MODULE, {?MODULE, start_link, []},
transient, 1000, worker, [?MODULE]},
supervisor:start_child(ejabberd_sup, ChildSpec).
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [],
[]).
@ -90,8 +94,13 @@ process_iq(From, To, #iq{type = T, lang = Lang, sub_els = [El]} = Packet)
Err = xmpp:err_service_unavailable(Txt, Lang),
ejabberd_router:route_error(To, From, Packet, Err)
end;
process_iq(From, To, #iq{type = T} = Packet) when T == get; T == set ->
Err = xmpp:err_bad_request(),
process_iq(From, To, #iq{type = T, lang = Lang, sub_els = SubEls} = Packet)
when T == get; T == set ->
Txt = case SubEls of
[] -> <<"No child elements found">>;
_ -> <<"Too many child elements">>
end,
Err = xmpp:err_bad_request(Txt, Lang),
ejabberd_router:route_error(To, From, Packet, Err);
process_iq(From, To, #iq{type = T} = Packet) when T == result; T == error ->
process_iq_reply(From, To, Packet).
@ -171,10 +180,6 @@ unregister_iq_response_handler(_Host, ID) ->
unregister_iq_handler(Host, XMLNS) ->
ejabberd_local ! {unregister_iq_handler, Host, XMLNS}.
-spec refresh_iq_handlers() -> any().
refresh_iq_handlers() ->
ejabberd_local ! refresh_iq_handlers.
-spec bounce_resource_packet(jid(), jid(), stanza()) -> stop.
bounce_resource_packet(_From, #jid{lresource = <<"">>}, #presence{}) ->
ok;
@ -228,14 +233,12 @@ handle_info({register_iq_handler, Host, XMLNS, Module,
Function},
State) ->
ets:insert(?IQTABLE, {{XMLNS, Host}, Module, Function}),
catch mod_disco:register_feature(Host, XMLNS),
{noreply, State};
handle_info({register_iq_handler, Host, XMLNS, Module,
Function, Opts},
State) ->
ets:insert(?IQTABLE,
{{XMLNS, Host}, Module, Function, Opts}),
catch mod_disco:register_feature(Host, XMLNS),
{noreply, State};
handle_info({unregister_iq_handler, Host, XMLNS},
State) ->
@ -245,19 +248,6 @@ handle_info({unregister_iq_handler, Host, XMLNS},
_ -> ok
end,
ets:delete(?IQTABLE, {XMLNS, Host}),
catch mod_disco:unregister_feature(Host, XMLNS),
{noreply, State};
handle_info(refresh_iq_handlers, State) ->
lists:foreach(fun (T) ->
case T of
{{XMLNS, Host}, _Module, _Function, _Opts} ->
catch mod_disco:register_feature(Host, XMLNS);
{{XMLNS, Host}, _Module, _Function} ->
catch mod_disco:register_feature(Host, XMLNS);
_ -> ok
end
end,
ets:tab2list(?IQTABLE)),
{noreply, State};
handle_info({timeout, _TRef, ID}, State) ->
process_iq_timeout(ID),

173
src/ejabberd_node_groups.erl
View File

@ -1,173 +0,0 @@
%%%----------------------------------------------------------------------
%%% File : ejabberd_node_groups.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Distributed named node groups based on pg2 module
%%% Created : 1 Nov 2006 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_node_groups).
-behaviour(ejabberd_config).
-author('alexey@process-one.net').
-behaviour(gen_server).
%% API
-export([start_link/0,
join/1,
leave/1,
get_members/1,
get_closest_node/1]).
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3, opt_type/1]).
-define(PG2, pg2).
-record(state, {}).
%%====================================================================
%% API
%%====================================================================
%%--------------------------------------------------------------------
%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
%% Description: Starts the server
%%--------------------------------------------------------------------
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
join(Name) ->
PG = {?MODULE, Name},
pg2:create(PG),
pg2:join(PG, whereis(?MODULE)).
leave(Name) ->
PG = {?MODULE, Name},
pg2:leave(PG, whereis(?MODULE)).
get_members(Name) ->
PG = {?MODULE, Name},
[node(P) || P <- pg2:get_members(PG)].
get_closest_node(Name) ->
PG = {?MODULE, Name},
node(pg2:get_closest_pid(PG)).
%%====================================================================
%% gen_server callbacks
%%====================================================================
%%--------------------------------------------------------------------
%% Function: init(Args) -> {ok, State} |
%% {ok, State, Timeout} |
%% ignore |
%% {stop, Reason}
%% Description: Initiates the server
%%--------------------------------------------------------------------
init([]) ->
{FE, BE} =
case ejabberd_config:get_option(
node_type,
fun(frontend) -> frontend;
(backend) -> backend;
(generic) -> generic
end, generic) of
frontend ->
{true, false};
backend ->
{false, true};
generic ->
{true, true};
undefined ->
{true, true}
end,
if
FE ->
join(frontend);
true ->
ok
end,
if
BE ->
join(backend);
true ->
ok
end,
{ok, #state{}}.
%%--------------------------------------------------------------------
%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} |
%% {reply, Reply, State, Timeout} |
%% {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, Reply, State} |
%% {stop, Reason, State}
%% Description: Handling call messages
%%--------------------------------------------------------------------
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
%%--------------------------------------------------------------------
%% Function: handle_cast(Msg, State) -> {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, State}
%% Description: Handling cast messages
%%--------------------------------------------------------------------
handle_cast(_Msg, State) ->
{noreply, State}.
%%--------------------------------------------------------------------
%% Function: handle_info(Info, State) -> {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, State}
%% Description: Handling all non call/cast messages
%%--------------------------------------------------------------------
handle_info(_Info, State) ->
{noreply, State}.
%%--------------------------------------------------------------------
%% Function: terminate(Reason, State) -> void()
%% Description: This function is called by a gen_server when it is about to
%% terminate. It should be the opposite of Module:init/1 and do any necessary
%% cleaning up. When it returns, the gen_server terminates with Reason.
%% The return value is ignored.
%%--------------------------------------------------------------------
terminate(_Reason, _State) ->
ok.
%%--------------------------------------------------------------------
%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState}
%% Description: Convert process state when code is changed
%%--------------------------------------------------------------------
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
opt_type(node_type) ->
fun (frontend) -> frontend;
(backend) -> backend;
(generic) -> generic
end;
opt_type(_) -> [node_type].

11
src/ejabberd_piefxis.erl
View File

@ -347,7 +347,7 @@ process_el({xmlstreamelement, #xmlel{name = <<"host">>,
JIDS = fxml:get_attr_s(<<"jid">>, Attrs),
case jid:from_string(JIDS) of
#jid{lserver = S} ->
case lists:member(S, ?MYHOSTS) of
case ejabberd_router:is_my_host(S) of
true ->
process_users(Els, State#state{server = S});
false ->
@ -481,17 +481,16 @@ process_privacy(#privacy_query{lists = Lists,
JID = jid:make(U, S),
IQ = #iq{type = set, id = randoms:get_string(),
from = JID, to = JID, sub_els = [PrivacyQuery]},
Txt = <<"No module is handling this query">>,
Error = {error, xmpp:err_feature_not_implemented(Txt, ?MYLANG)},
case mod_privacy:process_iq_set(Error, IQ, #userlist{}) of
{error, #stanza_error{reason = Reason}} = Err ->
case mod_privacy:process_iq(IQ) of
#iq{type = error} = ResIQ ->
#stanza_error{reason = Reason} = xmpp:get_error(ResIQ),
if Reason == 'item-not-found', Lists == [],
Active == undefined, Default /= undefined ->
%% Failed to set default list because there is no
%% list with such name. We shouldn't stop here.
{ok, State};
true ->
stop("Failed to write privacy: ~p", [Err])
stop("Failed to write privacy: ~p", [Reason])
end;
_ ->
{ok, State}

4
src/ejabberd_receiver.erl
View File

@ -135,8 +135,8 @@ handle_call({starttls, TLSSocket}, _From, State) ->
{ok, TLSData} ->
{reply, ok,
process_data(TLSData, NewState), ?HIBERNATE_TIMEOUT};
{error, _Reason} ->
{stop, normal, ok, NewState}
{error, _} = Err ->
{stop, normal, Err, NewState}
end;
handle_call({compress, Data}, _From,
#state{socket = Socket, sock_mod = SockMod} =

421
src/ejabberd_router.erl
View File

@ -5,7 +5,7 @@
%%% Created : 27 Nov 2002 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
@ -34,7 +34,6 @@
%% API
-export([route/3,
route_error/4,
register_route/1,
register_route/2,
register_route/3,
register_routes/1,
@ -42,41 +41,48 @@
process_iq/3,
unregister_route/1,
unregister_routes/1,
dirty_get_all_routes/0,
dirty_get_all_domains/0
]).
get_all_routes/0,
is_my_route/1,
is_my_host/1,
get_backend/0]).
-export([start_link/0]).
-export([start/0, start_link/0]).
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3, opt_type/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include("ejabberd_router.hrl").
-include("xmpp.hrl").
-type local_hint() :: undefined | integer() | {apply, atom(), atom()}.
-record(route, {domain, server_host, pid, local_hint}).
-callback init() -> any().
-callback register_route(binary(), binary(), local_hint(),
undefined | pos_integer()) -> ok | {error, term()}.
-callback unregister_route(binary(), undefined | pos_integer()) -> ok | {error, term()}.
-callback find_routes(binary()) -> [#route{}].
-callback host_of_route(binary()) -> {ok, binary()} | error.
-callback is_my_route(binary()) -> boolean().
-callback is_my_host(binary()) -> boolean().
-callback get_all_routes() -> [binary()].
-record(state, {}).
%%====================================================================
%% API
%%====================================================================
%%--------------------------------------------------------------------
%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
%% Description: Starts the server
%%--------------------------------------------------------------------
start() ->
ChildSpec = {?MODULE, {?MODULE, start_link, []},
transient, 1000, worker, [?MODULE]},
supervisor:start_child(ejabberd_sup, ChildSpec).
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
-spec route(jid(), jid(), xmlel() | stanza()) -> ok.
route(#jid{} = From, #jid{} = To, #xmlel{} = El) ->
try xmpp:decode(El, ?NS_CLIENT, [ignore_els]) of
Pkt -> route(From, To, xmpp:set_from_to(Pkt, From, To))
Pkt -> route(From, To, Pkt)
catch _:{xmpp_codec, Why} ->
?ERROR_MSG("failed to decode xml element ~p when "
"routing from ~s to ~s: ~s",
@ -96,7 +102,6 @@ route(#jid{} = From, #jid{} = To, Packet) ->
%% RFC3920 9.3.1
-spec route_error(jid(), jid(), xmlel(), xmlel()) -> ok;
(jid(), jid(), stanza(), stanza_error()) -> ok.
route_error(From, To, #xmlel{} = ErrPacket, #xmlel{} = OrigPacket) ->
#xmlel{attrs = Attrs} = OrigPacket,
case <<"error">> == fxml:get_attr_s(<<"type">>, Attrs) of
@ -111,222 +116,118 @@ route_error(From, To, Packet, #stanza_error{} = Err) ->
ejabberd_router:route(From, To, xmpp:make_error(Packet, Err))
end.
-spec register_route(binary()) -> term().
register_route(Domain) ->
?WARNING_MSG("~s:register_route/1 is deprected, "
"use ~s:register_route/2 instead",
[?MODULE, ?MODULE]),
register_route(Domain, ?MYNAME).
-spec register_route(binary(), binary()) -> term().
-spec register_route(binary(), binary()) -> ok.
register_route(Domain, ServerHost) ->
register_route(Domain, ServerHost, undefined).
-spec register_route(binary(), binary(), local_hint()) -> term().
-spec register_route(binary(), binary(), local_hint()) -> ok.
register_route(Domain, ServerHost, LocalHint) ->
case {jid:nameprep(Domain), jid:nameprep(ServerHost)} of
{error, _} -> erlang:error({invalid_domain, Domain});
{_, error} -> erlang:error({invalid_domain, ServerHost});
{LDomain, LServerHost} ->
Pid = self(),
case get_component_number(LDomain) of
undefined ->
F = fun () ->
mnesia:write(#route{domain = LDomain, pid = Pid,
server_host = LServerHost,
local_hint = LocalHint})
end,
mnesia:transaction(F);
N ->
F = fun () ->
case mnesia:wread({route, LDomain}) of
[] ->
mnesia:write(#route{domain = LDomain,
server_host = LServerHost,
pid = Pid,
local_hint = 1}),
lists:foreach(
fun (I) ->
mnesia:write(
#route{domain = LDomain,
pid = undefined,
server_host = LServerHost,
local_hint = I})
end,
lists:seq(2, N));
Rs ->
lists:any(
fun (#route{pid = undefined,
local_hint = I} = R) ->
mnesia:write(
#route{domain = LDomain,
pid = Pid,
server_host = LServerHost,
local_hint = I}),
mnesia:delete_object(R),
true;
(_) -> false
end,
Rs)
end
end,
mnesia:transaction(F)
end
{error, _} ->
erlang:error({invalid_domain, Domain});
{_, error} ->
erlang:error({invalid_domain, ServerHost});
{LDomain, LServerHost} ->
Mod = get_backend(),
case Mod:register_route(LDomain, LServerHost, LocalHint,
get_component_number(LDomain)) of
ok ->
?DEBUG("Route registered: ~s", [LDomain]);
{error, Err} ->
?ERROR_MSG("Failed to register route ~s: ~p",
[LDomain, Err])
end
end.
-spec register_routes([{binary(), binary()}]) -> ok.
register_routes(Domains) ->
lists:foreach(fun ({Domain, ServerHost}) -> register_route(Domain, ServerHost)
end,
Domains).
-spec unregister_route(binary()) -> term().
-spec unregister_route(binary()) -> ok.
unregister_route(Domain) ->
case jid:nameprep(Domain) of
error -> erlang:error({invalid_domain, Domain});
LDomain ->
Pid = self(),
case get_component_number(LDomain) of
undefined ->
F = fun () ->
case mnesia:match_object(#route{domain = LDomain,
pid = Pid, _ = '_'})
of
[R] -> mnesia:delete_object(R);
_ -> ok
end
end,
mnesia:transaction(F);
_ ->
F = fun () ->
case mnesia:match_object(#route{domain = LDomain,
pid = Pid, _ = '_'})
of
[R] ->
I = R#route.local_hint,
ServerHost = R#route.server_host,
mnesia:write(#route{domain = LDomain,
server_host = ServerHost,
pid = undefined,
local_hint = I}),
mnesia:delete_object(R);
_ -> ok
end
end,
mnesia:transaction(F)
end
error ->
erlang:error({invalid_domain, Domain});
LDomain ->
Mod = get_backend(),
case Mod:unregister_route(LDomain, get_component_number(LDomain)) of
ok ->
?DEBUG("Route unregistered: ~s", [LDomain]);
{error, Err} ->
?ERROR_MSG("Failed to unregister route ~s: ~p",
[LDomain, Err])
end
end.
-spec unregister_routes([binary()]) -> ok.
unregister_routes(Domains) ->
lists:foreach(fun (Domain) -> unregister_route(Domain)
end,
Domains).
-spec dirty_get_all_routes() -> [binary()].
dirty_get_all_routes() ->
lists:usort(mnesia:dirty_all_keys(route)) -- (?MYHOSTS).
-spec dirty_get_all_domains() -> [binary()].
dirty_get_all_domains() ->
lists:usort(mnesia:dirty_all_keys(route)).
-spec get_all_routes() -> [binary()].
get_all_routes() ->
Mod = get_backend(),
Mod:get_all_routes().
-spec host_of_route(binary()) -> binary().
host_of_route(Domain) ->
case jid:nameprep(Domain) of
error ->
erlang:error({invalid_domain, Domain});
LDomain ->
case mnesia:dirty_read(route, LDomain) of
[#route{server_host = ServerHost}|_] ->
ServerHost;
[] ->
erlang:error({unregistered_route, Domain})
Mod = get_backend(),
case Mod:host_of_route(LDomain) of
{ok, ServerHost} -> ServerHost;
error -> erlang:error({unregistered_route, Domain})
end
end.
-spec process_iq(jid(), jid(), iq() | xmlel()) -> any().
-spec is_my_route(binary()) -> boolean().
is_my_route(Domain) ->
case jid:nameprep(Domain) of
error ->
erlang:error({invalid_domain, Domain});
LDomain ->
Mod = get_backend(),
Mod:is_my_route(LDomain)
end.
-spec is_my_host(binary()) -> boolean().
is_my_host(Domain) ->
case jid:nameprep(Domain) of
error ->
erlang:error({invalid_domain, Domain});
LDomain ->
Mod = get_backend(),
Mod:is_my_host(LDomain)
end.
-spec process_iq(jid(), jid(), iq()) -> any().
process_iq(From, To, #iq{} = IQ) ->
if To#jid.luser == <<"">> ->
ejabberd_local:process_iq(From, To, IQ);
true ->
ejabberd_sm:process_iq(From, To, IQ)
end;
process_iq(From, To, El) ->
try xmpp:decode(El, ?NS_CLIENT, [ignore_els]) of
IQ -> process_iq(From, To, IQ)
catch _:{xmpp_codec, Why} ->
Type = xmpp:get_type(El),
if Type == <<"get">>; Type == <<"set">> ->
Txt = xmpp:format_error(Why),
Lang = xmpp:get_lang(El),
Err = xmpp:make_error(El, xmpp:err_bad_request(Txt, Lang)),
ejabberd_router:route(To, From, Err);
true ->
ok
end
end.
%%====================================================================
%% gen_server callbacks
%%====================================================================
%%--------------------------------------------------------------------
%% Function: init(Args) -> {ok, State} |
%% {ok, State, Timeout} |
%% ignore |
%% {stop, Reason}
%% Description: Initiates the server
%%--------------------------------------------------------------------
init([]) ->
update_tables(),
ejabberd_mnesia:create(?MODULE, route,
[{ram_copies, [node()]},
{type, bag},
{attributes, record_info(fields, route)}]),
mnesia:add_table_copy(route, node(), ram_copies),
mnesia:subscribe({table, route, simple}),
lists:foreach(fun (Pid) -> erlang:monitor(process, Pid)
end,
mnesia:dirty_select(route,
[{{route, '_', '$1', '_'}, [], ['$1']}])),
Mod = get_backend(),
Mod:init(),
{ok, #state{}}.
%%--------------------------------------------------------------------
%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} |
%% {reply, Reply, State, Timeout} |
%% {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, Reply, State} |
%% {stop, Reason, State}
%% Description: Handling call messages
%%--------------------------------------------------------------------
handle_call(_Request, _From, State) ->
Reply = ok, {reply, Reply, State}.
Reply = ok,
{reply, Reply, State}.
%%--------------------------------------------------------------------
%% Function: handle_cast(Msg, State) -> {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, State}
%% Description: Handling cast messages
%%--------------------------------------------------------------------
handle_cast(_Msg, State) -> {noreply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
%%--------------------------------------------------------------------
%% Function: handle_info(Info, State) -> {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, State}
%% Description: Handling all non call/cast messages
%%--------------------------------------------------------------------
handle_info({route, From, To, Packet}, State) ->
case catch do_route(From, To, Packet) of
{'EXIT', Reason} ->
@ -335,106 +236,71 @@ handle_info({route, From, To, Packet}, State) ->
_ -> ok
end,
{noreply, State};
handle_info({mnesia_table_event,
{write, #route{pid = Pid}, _ActivityId}},
State) ->
erlang:monitor(process, Pid), {noreply, State};
handle_info({'DOWN', _Ref, _Type, Pid, _Info}, State) ->
F = fun () ->
Es = mnesia:select(route,
[{#route{pid = Pid, _ = '_'}, [], ['$_']}]),
lists:foreach(fun (E) ->
if is_integer(E#route.local_hint) ->
LDomain = E#route.domain,
I = E#route.local_hint,
ServerHost = E#route.server_host,
mnesia:write(#route{domain =
LDomain,
server_host =
ServerHost,
pid =
undefined,
local_hint =
I}),
mnesia:delete_object(E);
true -> mnesia:delete_object(E)
end
end,
Es)
end,
mnesia:transaction(F),
{noreply, State};
handle_info(_Info, State) ->
handle_info(Info, State) ->
?ERROR_MSG("unexpected info: ~p", [Info]),
{noreply, State}.
%%--------------------------------------------------------------------
%% Function: terminate(Reason, State) -> void()
%% Description: This function is called by a gen_server when it is about to
%% terminate. It should be the opposite of Module:init/1 and do any necessary
%% cleaning up. When it returns, the gen_server terminates with Reason.
%% The return value is ignored.
%%--------------------------------------------------------------------
terminate(_Reason, _State) ->
ok.
%%--------------------------------------------------------------------
%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState}
%% Description: Convert process state when code is changed
%%--------------------------------------------------------------------
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
-spec do_route(jid(), jid(), xmlel() | xmpp_element()) -> any().
-spec do_route(jid(), jid(), stanza()) -> any().
do_route(OrigFrom, OrigTo, OrigPacket) ->
?DEBUG("route~n\tfrom ~p~n\tto ~p~n\tpacket "
"~p~n",
[OrigFrom, OrigTo, OrigPacket]),
?DEBUG("route:~n~s", [xmpp:pp(OrigPacket)]),
case ejabberd_hooks:run_fold(filter_packet,
{OrigFrom, OrigTo, OrigPacket}, [])
of
{From, To, Packet} ->
LDstDomain = To#jid.lserver,
case mnesia:dirty_read(route, LDstDomain) of
[] ->
ejabberd_s2s:route(From, To, Packet);
[R] ->
do_route(From, To, Packet, R);
Rs ->
Value = get_domain_balancing(From, To, LDstDomain),
case get_component_number(LDstDomain) of
undefined ->
case [R || R <- Rs, node(R#route.pid) == node()] of
[] ->
R = lists:nth(erlang:phash(Value, length(Rs)), Rs),
do_route(From, To, Packet, R);
LRs ->
R = lists:nth(erlang:phash(Value, length(LRs)), LRs),
do_route(From, To, Packet, R)
end;
_ ->
SRs = lists:ukeysort(#route.local_hint, Rs),
R = lists:nth(erlang:phash(Value, length(SRs)), SRs),
do_route(From, To, Packet, R)
end
end;
drop -> ok
{OrigFrom, OrigTo, OrigPacket}, []) of
{From, To, Packet} ->
LDstDomain = To#jid.lserver,
Mod = get_backend(),
case Mod:find_routes(LDstDomain) of
[] ->
ejabberd_s2s:route(From, To, Packet);
[Route] ->
do_route(From, To, Packet, Route);
Routes ->
balancing_route(From, To, Packet, Routes)
end;
drop ->
ok
end.
-spec do_route(jid(), jid(), xmlel() | xmpp_element(), #route{}) -> any().
do_route(From, To, Packet, #route{local_hint = LocalHint,
pid = Pid}) when is_pid(Pid) ->
-spec do_route(jid(), jid(), stanza(), #route{}) -> any().
do_route(From, To, Pkt, #route{local_hint = LocalHint,
pid = Pid}) when is_pid(Pid) ->
case LocalHint of
{apply, Module, Function} when node(Pid) == node() ->
Module:Function(From, To, Packet);
Module:Function(From, To, Pkt);
_ ->
Pid ! {route, From, To, Packet}
Pid ! {route, From, To, Pkt}
end;
do_route(_From, _To, _Packet, _Route) ->
do_route(_From, _To, _Pkt, _Route) ->
drop.
-spec balancing_route(jid(), jid(), stanza(), [#route{}]) -> any().
balancing_route(From, To, Packet, Rs) ->
LDstDomain = To#jid.lserver,
Value = get_domain_balancing(From, To, LDstDomain),
case get_component_number(LDstDomain) of
undefined ->
case [R || R <- Rs, node(R#route.pid) == node()] of
[] ->
R = lists:nth(erlang:phash(Value, length(Rs)), Rs),
do_route(From, To, Packet, R);
LRs ->
R = lists:nth(erlang:phash(Value, length(LRs)), LRs),
do_route(From, To, Packet, R)
end;
_ ->
SRs = lists:ukeysort(#route.local_hint, Rs),
R = lists:nth(erlang:phash(Value, length(SRs)), SRs),
do_route(From, To, Packet, R)
end.
-spec get_component_number(binary()) -> pos_integer() | undefined.
get_component_number(LDomain) ->
ejabberd_config:get_option(
@ -454,19 +320,17 @@ get_domain_balancing(From, To, LDomain) ->
bare_destination -> jid:remove_resource(jid:tolower(To))
end.
-spec update_tables() -> ok.
update_tables() ->
try
mnesia:transform_table(route, ignore, record_info(fields, route))
catch exit:{aborted, {no_exists, _}} ->
ok
end,
case lists:member(local_route,
mnesia:system_info(tables))
of
true -> mnesia:delete_table(local_route);
false -> ok
end.
-spec get_backend() -> module().
get_backend() ->
DBType = case ejabberd_config:get_option(
router_db_type,
fun(T) -> ejabberd_config:v_db(?MODULE, T) end) of
undefined ->
ejabberd_config:default_ram_db(?MODULE);
T ->
T
end,
list_to_atom("ejabberd_router_" ++ atom_to_list(DBType)).
opt_type(domain_balancing) ->
fun (random) -> random;
@ -477,4 +341,7 @@ opt_type(domain_balancing) ->
end;
opt_type(domain_balancing_component_number) ->
fun (N) when is_integer(N), N > 1 -> N end;
opt_type(_) -> [domain_balancing, domain_balancing_component_number].
opt_type(router_db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
opt_type(_) ->
[domain_balancing, domain_balancing_component_number,
router_db_type].

220
src/ejabberd_router_mnesia.erl Normal file
View File

@ -0,0 +1,220 @@
%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2017, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 11 Jan 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-module(ejabberd_router_mnesia).
-behaviour(ejabberd_router).
-behaviour(gen_server).
%% API
-export([init/0, register_route/4, unregister_route/2, find_routes/1,
host_of_route/1, is_my_route/1, is_my_host/1, get_all_routes/0]).
%% gen_server callbacks
-export([init/1, handle_cast/2, handle_call/3, handle_info/2,
terminate/2, code_change/3]).
-include("ejabberd.hrl").
-include("ejabberd_router.hrl").
-include("logger.hrl").
-include_lib("stdlib/include/ms_transform.hrl").
-record(state, {}).
%%%===================================================================
%%% API
%%%===================================================================
init() ->
case gen_server:start_link({local, ?MODULE}, ?MODULE, [], []) of
{ok, _Pid} ->
ok;
Err ->
Err
end.
register_route(Domain, ServerHost, LocalHint, undefined) ->
F = fun () ->
mnesia:write(#route{domain = Domain,
pid = self(),
server_host = ServerHost,
local_hint = LocalHint})
end,
transaction(F);
register_route(Domain, ServerHost, _LocalHint, N) ->
Pid = self(),
F = fun () ->
case mnesia:wread({route, Domain}) of
[] ->
mnesia:write(#route{domain = Domain,
server_host = ServerHost,
pid = Pid,
local_hint = 1}),
lists:foreach(
fun (I) ->
mnesia:write(
#route{domain = Domain,
pid = undefined,
server_host = ServerHost,
local_hint = I})
end,
lists:seq(2, N));
Rs ->
lists:any(
fun (#route{pid = undefined,
local_hint = I} = R) ->
mnesia:write(
#route{domain = Domain,
pid = Pid,
server_host = ServerHost,
local_hint = I}),
mnesia:delete_object(R),
true;
(_) -> false
end,
Rs)
end
end,
transaction(F).
unregister_route(Domain, undefined) ->
F = fun () ->
case mnesia:match_object(
#route{domain = Domain, pid = self(), _ = '_'}) of
[R] -> mnesia:delete_object(R);
_ -> ok
end
end,
transaction(F);
unregister_route(Domain, _) ->
F = fun () ->
case mnesia:match_object(
#route{domain = Domain, pid = self(), _ = '_'}) of
[R] ->
I = R#route.local_hint,
ServerHost = R#route.server_host,
mnesia:write(#route{domain = Domain,
server_host = ServerHost,
pid = undefined,
local_hint = I}),
mnesia:delete_object(R);
_ -> ok
end
end,
transaction(F).
find_routes(Domain) ->
mnesia:dirty_read(route, Domain).
host_of_route(Domain) ->
case mnesia:dirty_read(route, Domain) of
[#route{server_host = ServerHost}|_] ->
{ok, ServerHost};
[] ->
error
end.
is_my_route(Domain) ->
mnesia:dirty_read(route, Domain) /= [].
is_my_host(Domain) ->
case mnesia:dirty_read(route, Domain) of
[#route{server_host = Host}|_] ->
Host == Domain;
[] ->
false
end.
get_all_routes() ->
mnesia:dirty_select(
route,
ets:fun2ms(
fun(#route{domain = Domain, server_host = ServerHost})
when Domain /= ServerHost -> Domain
end)).
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
init([]) ->
update_tables(),
ejabberd_mnesia:create(?MODULE, route,
[{ram_copies, [node()]},
{type, bag},
{attributes, record_info(fields, route)}]),
mnesia:add_table_copy(route, node(), ram_copies),
mnesia:subscribe({table, route, simple}),
lists:foreach(
fun (Pid) -> erlang:monitor(process, Pid) end,
mnesia:dirty_select(route,
[{{route, '_', '$1', '_'}, [], ['$1']}])),
{ok, #state{}}.
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info({mnesia_table_event,
{write, #route{pid = Pid}, _ActivityId}}, State) ->
erlang:monitor(process, Pid),
{noreply, State};
handle_info({'DOWN', _Ref, _Type, Pid, _Info}, State) ->
F = fun () ->
Es = mnesia:select(route,
[{#route{pid = Pid, _ = '_'}, [], ['$_']}]),
lists:foreach(
fun(E) ->
if is_integer(E#route.local_hint) ->
LDomain = E#route.domain,
I = E#route.local_hint,
ServerHost = E#route.server_host,
mnesia:write(#route{domain = LDomain,
server_host = ServerHost,
pid = undefined,
local_hint = I}),
mnesia:delete_object(E);
true ->
mnesia:delete_object(E)
end
end, Es)
end,
transaction(F),
{noreply, State};
handle_info(Info, State) ->
?ERROR_MSG("unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
transaction(F) ->
case mnesia:transaction(F) of
{atomic, _} ->
ok;
{aborted, Reason} ->
?ERROR_MSG("Mnesia transaction failed: ~p", [Reason]),
{error, Reason}
end.
-spec update_tables() -> ok.
update_tables() ->
try
mnesia:transform_table(route, ignore, record_info(fields, route))
catch exit:{aborted, {no_exists, _}} ->
ok
end,
case lists:member(local_route, mnesia:system_info(tables)) of
true -> mnesia:delete_table(local_route);
false -> ok
end.

7
src/ejabberd_router_multicast.erl
View File

@ -35,7 +35,7 @@
unregister_route/1
]).
-export([start_link/0]).
-export([start/0, start_link/0]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
@ -56,6 +56,11 @@
%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
%% Description: Starts the server
%%--------------------------------------------------------------------
start() ->
ChildSpec = {?MODULE, {?MODULE, start_link, []},
transient, 1000, worker, [?MODULE]},
supervisor:start_child(ejabberd_sup, ChildSpec).
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).

395
src/ejabberd_s2s.erl
View File

@ -35,16 +35,16 @@
%% API
-export([start_link/0, route/3, have_connection/1,
make_key/2, get_connections_pids/1, try_register/1,
remove_connection/2, find_connection/2,
get_connections_pids/1, try_register/1,
remove_connection/2, start_connection/2, start_connection/3,
dirty_get_connections/0, allow_host/2,
incoming_s2s_number/0, outgoing_s2s_number/0,
stop_all_connections/0,
clean_temporarily_blocked_table/0,
list_temporarily_blocked_hosts/0,
external_host_overloaded/1, is_temporarly_blocked/1,
check_peer_certificate/3,
get_commands_spec/0]).
get_commands_spec/0, zlib_enabled/1, get_idle_timeout/1,
tls_required/1, tls_verify/1, tls_enabled/1, tls_options/2]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2,
@ -196,39 +196,94 @@ try_register(FromTo) ->
dirty_get_connections() ->
mnesia:dirty_all_keys(s2s).
check_peer_certificate(SockMod, Sock, Peer) ->
case SockMod:get_peer_certificate(Sock) of
{ok, Cert} ->
case SockMod:get_verify_result(Sock) of
0 ->
case ejabberd_idna:domain_utf8_to_ascii(Peer) of
false ->
{error, <<"Cannot decode remote server name">>};
AsciiPeer ->
case
lists:any(fun(D) -> match_domain(AsciiPeer, D) end,
get_cert_domains(Cert)) of
true ->
{ok, <<"Verification successful">>};
false ->
{error, <<"Certificate host name mismatch">>}
end
end;
VerifyRes ->
{error, fast_tls:get_cert_verify_string(VerifyRes, Cert)}
end;
{error, _Reason} ->
{error, <<"Cannot get peer certificate">>};
error ->
{error, <<"Cannot get peer certificate">>}
-spec tls_options(binary(), [proplists:property()]) -> [proplists:property()].
tls_options(LServer, DefaultOpts) ->
TLSOpts1 = case ejabberd_config:get_option(
{s2s_certfile, LServer},
fun iolist_to_binary/1,
ejabberd_config:get_option(
{domain_certfile, LServer},
fun iolist_to_binary/1)) of
undefined -> [];
CertFile -> lists:keystore(certfile, 1, DefaultOpts,
{certfile, CertFile})
end,
TLSOpts2 = case ejabberd_config:get_option(
{s2s_ciphers, LServer},
fun iolist_to_binary/1) of
undefined -> TLSOpts1;
Ciphers -> lists:keystore(ciphers, 1, TLSOpts1,
{ciphers, Ciphers})
end,
TLSOpts3 = case ejabberd_config:get_option(
{s2s_protocol_options, LServer},
fun (Options) -> str:join(Options, <<$|>>) end) of
undefined -> TLSOpts2;
ProtoOpts -> lists:keystore(protocol_options, 1, TLSOpts2,
{protocol_options, ProtoOpts})
end,
TLSOpts4 = case ejabberd_config:get_option(
{s2s_dhfile, LServer},
fun iolist_to_binary/1) of
undefined -> TLSOpts3;
DHFile -> lists:keystore(dhfile, 1, TLSOpts3,
{dhfile, DHFile})
end,
TLSOpts5 = case ejabberd_config:get_option(
{s2s_cafile, LServer},
fun iolist_to_binary/1) of
undefined -> TLSOpts4;
CAFile -> lists:keystore(cafile, 1, TLSOpts4,
{cafile, CAFile})
end,
case ejabberd_config:get_option(
{s2s_tls_compression, LServer},
fun(B) when is_boolean(B) -> B end) of
undefined -> TLSOpts5;
false -> [compression_none | TLSOpts5];
true -> lists:delete(compression_none, TLSOpts5)
end.
-spec make_key({binary(), binary()}, binary()) -> binary().
make_key({From, To}, StreamID) ->
Secret = ejabberd_config:get_option(shared_key, fun(V) -> V end),
p1_sha:to_hexlist(
crypto:hmac(sha256, p1_sha:to_hexlist(crypto:hash(sha256, Secret)),
[To, " ", From, " ", StreamID])).
-spec tls_required(binary()) -> boolean().
tls_required(LServer) ->
TLS = use_starttls(LServer),
TLS == required orelse TLS == required_trusted.
-spec tls_verify(binary()) -> boolean().
tls_verify(LServer) ->
TLS = use_starttls(LServer),
TLS == required_trusted.
-spec tls_enabled(binary()) -> boolean().
tls_enabled(LServer) ->
TLS = use_starttls(LServer),
TLS /= false.
-spec zlib_enabled(binary()) -> boolean().
zlib_enabled(LServer) ->
ejabberd_config:get_option(
{s2s_zlib, LServer},
fun(B) when is_boolean(B) -> B end,
false).
-spec use_starttls(binary()) -> boolean() | optional | required | required_trusted.
use_starttls(LServer) ->
ejabberd_config:get_option(
{s2s_use_starttls, LServer},
fun(true) -> true;
(false) -> false;
(optional) -> optional;
(required) -> required;
(required_trusted) -> required_trusted
end, false).
-spec get_idle_timeout(binary()) -> non_neg_integer() | infinity.
get_idle_timeout(LServer) ->
ejabberd_config:get_option(
{s2s_timeout, LServer},
fun(I) when is_integer(I), I >= 0 -> timer:seconds(I);
(infinity) -> infinity
end, timer:minutes(10)).
%%====================================================================
%% gen_server callbacks
@ -246,6 +301,8 @@ init([]) ->
ejabberd_mnesia:create(?MODULE, temporarily_blocked,
[{ram_copies, [node()]},
{attributes, record_info(fields, temporarily_blocked)}]),
ejabberd_s2s_in:add_hooks(),
ejabberd_s2s_out:add_hooks(),
{ok, #state{}}.
handle_call(_Request, _From, State) ->
@ -291,30 +348,40 @@ clean_table_from_bad_node(Node) ->
end,
mnesia:async_dirty(F).
-spec do_route(jid(), jid(), stanza()) -> ok | false.
-spec do_route(jid(), jid(), stanza()) -> ok.
do_route(From, To, Packet) ->
?DEBUG("s2s manager~n\tfrom ~p~n\tto ~p~n\tpacket "
"~P~n",
[From, To, Packet, 8]),
case find_connection(From, To) of
{atomic, Pid} when is_pid(Pid) ->
case start_connection(From, To) of
{ok, Pid} when is_pid(Pid) ->
?DEBUG("sending to process ~p~n", [Pid]),
#jid{lserver = MyServer} = From,
ejabberd_hooks:run(s2s_send_packet, MyServer,
[From, To, Packet]),
send_element(Pid, xmpp:set_from_to(Packet, From, To)),
ok;
{aborted, _Reason} ->
ejabberd_hooks:run(s2s_send_packet, MyServer, [From, To, Packet]),
ejabberd_s2s_out:route(Pid, xmpp:set_from_to(Packet, From, To));
{error, Reason} ->
Lang = xmpp:get_lang(Packet),
Txt = <<"No s2s connection found">>,
Err = xmpp:err_service_unavailable(Txt, Lang),
ejabberd_router:route_error(To, From, Packet, Err),
false
Err = case Reason of
policy_violation ->
xmpp:err_policy_violation(
<<"Server connections to local "
"subdomains are forbidden">>, Lang);
forbidden ->
xmpp:err_forbidden(<<"Denied by ACL">>, Lang);
internal_server_error ->
xmpp:err_internal_server_error()
end,
ejabberd_router:route_error(To, From, Packet, Err)
end.
-spec find_connection(jid(), jid()) -> {aborted, any()} | {atomic, pid()}.
-spec start_connection(jid(), jid())
-> {ok, pid()} | {error, policy_violation | forbidden | internal_server_error}.
start_connection(From, To) ->
start_connection(From, To, []).
find_connection(From, To) ->
-spec start_connection(jid(), jid(), [proplists:property()])
-> {ok, pid()} | {error, policy_violation | forbidden | internal_server_error}.
start_connection(From, To, Opts) ->
#jid{lserver = MyServer} = From,
#jid{lserver = Server} = To,
FromTo = {MyServer, Server},
@ -323,24 +390,29 @@ find_connection(From, To) ->
MaxS2SConnectionsNumberPerNode =
max_s2s_connections_number_per_node(FromTo),
?DEBUG("Finding connection for ~p~n", [FromTo]),
case catch mnesia:dirty_read(s2s, FromTo) of
{'EXIT', Reason} -> {aborted, Reason};
case mnesia:dirty_read(s2s, FromTo) of
[] ->
%% We try to establish all the connections if the host is not a
%% service and if the s2s host is not blacklisted or
%% is in whitelist:
case not is_service(From, To) andalso
allow_host(MyServer, Server)
of
LServer = ejabberd_router:host_of_route(MyServer),
case is_service(From, To) of
true ->
NeededConnections = needed_connections_number([],
{error, policy_violation};
false ->
case allow_host(LServer, Server) of
true ->
NeededConnections = needed_connections_number(
[],
MaxS2SConnectionsNumber,
MaxS2SConnectionsNumberPerNode),
open_several_connections(NeededConnections, MyServer,
Server, From, FromTo,
MaxS2SConnectionsNumber,
MaxS2SConnectionsNumberPerNode);
false -> {aborted, error}
MaxS2SConnectionsNumberPerNode, Opts);
false ->
{error, forbidden}
end
end;
L when is_list(L) ->
NeededConnections = needed_connections_number(L,
@ -351,10 +423,10 @@ find_connection(From, To) ->
open_several_connections(NeededConnections, MyServer,
Server, From, FromTo,
MaxS2SConnectionsNumber,
MaxS2SConnectionsNumberPerNode);
MaxS2SConnectionsNumberPerNode, Opts);
true ->
%% We choose a connexion from the pool of opened ones.
{atomic, choose_connection(From, L)}
{ok, choose_connection(From, L)}
end
end.
@ -377,20 +449,22 @@ choose_pid(From, Pids) ->
open_several_connections(N, MyServer, Server, From,
FromTo, MaxS2SConnectionsNumber,
MaxS2SConnectionsNumberPerNode) ->
ConnectionsResult = [new_connection(MyServer, Server,
MaxS2SConnectionsNumberPerNode, Opts) ->
case lists:flatmap(
fun(_) ->
new_connection(MyServer, Server,
From, FromTo, MaxS2SConnectionsNumber,
MaxS2SConnectionsNumberPerNode)
|| _N <- lists:seq(1, N)],
case [PID || {atomic, PID} <- ConnectionsResult] of
[] -> hd(ConnectionsResult);
PIDs -> {atomic, choose_pid(From, PIDs)}
MaxS2SConnectionsNumberPerNode, Opts)
end, lists:seq(1, N)) of
[] ->
{error, internal_server_error};
PIDs ->
{ok, choose_pid(From, PIDs)}
end.
new_connection(MyServer, Server, From, FromTo,
MaxS2SConnectionsNumber, MaxS2SConnectionsNumberPerNode) ->
{ok, Pid} = ejabberd_s2s_out:start(
MyServer, Server, new),
MaxS2SConnectionsNumber, MaxS2SConnectionsNumberPerNode, Opts) ->
{ok, Pid} = ejabberd_s2s_out:start(MyServer, Server, Opts),
F = fun() ->
L = mnesia:read({s2s, FromTo}),
NeededConnections = needed_connections_number(L,
@ -398,17 +472,21 @@ new_connection(MyServer, Server, From, FromTo,
MaxS2SConnectionsNumberPerNode),
if NeededConnections > 0 ->
mnesia:write(#s2s{fromto = FromTo, pid = Pid}),
?INFO_MSG("New s2s connection started ~p", [Pid]),
Pid;
true -> choose_connection(From, L)
end
end,
TRes = mnesia:transaction(F),
case TRes of
{atomic, Pid} -> ejabberd_s2s_out:start_connection(Pid);
_ -> ejabberd_s2s_out:stop_connection(Pid)
end,
TRes.
{atomic, Pid} ->
ejabberd_s2s_out:connect(Pid),
[Pid];
{aborted, Reason} ->
?ERROR_MSG("failed to register connection ~s -> ~s: ~p",
[MyServer, Server, Reason]),
ejabberd_s2s_out:stop(Pid),
[]
end.
-spec max_s2s_connections_number({binary(), binary()}) -> integer().
max_s2s_connections_number({From, To}) ->
@ -459,9 +537,6 @@ parent_domains(Domain) ->
end,
[], lists:reverse(str:tokens(Domain, <<".">>))).
send_element(Pid, El) ->
Pid ! {send_element, El}.
%%%----------------------------------------------------------------------
%%% ejabberd commands
@ -536,24 +611,13 @@ update_tables() ->
%% Check if host is in blacklist or white list
allow_host(MyServer, S2SHost) ->
allow_host2(MyServer, S2SHost) andalso
allow_host1(MyServer, S2SHost) andalso
not is_temporarly_blocked(S2SHost).
allow_host2(MyServer, S2SHost) ->
Hosts = (?MYHOSTS),
case lists:dropwhile(fun (ParentDomain) ->
not lists:member(ParentDomain, Hosts)
end,
parent_domains(MyServer))
of
[MyHost | _] -> allow_host1(MyHost, S2SHost);
[] -> allow_host1(MyServer, S2SHost)
end.
allow_host1(MyHost, S2SHost) ->
Rule = ejabberd_config:get_option(
s2s_access,
fun(A) -> A end,
{s2s_access, MyHost},
fun acl:access_rules_validator/1,
all),
JID = jid:make(S2SHost),
case acl:match_rule(MyHost, Rule, JID) of
@ -624,133 +688,34 @@ get_s2s_state(S2sPid) ->
end,
[{s2s_pid, S2sPid} | Infos].
get_cert_domains(Cert) ->
TBSCert = Cert#'Certificate'.tbsCertificate,
Subject = case TBSCert#'TBSCertificate'.subject of
{rdnSequence, Subj} -> lists:flatten(Subj);
_ -> []
end,
Extensions = case TBSCert#'TBSCertificate'.extensions of
Exts when is_list(Exts) -> Exts;
_ -> []
end,
lists:flatmap(fun (#'AttributeTypeAndValue'{type =
?'id-at-commonName',
value = Val}) ->
case 'OTP-PUB-KEY':decode('X520CommonName', Val) of
{ok, {_, D1}} ->
D = if is_binary(D1) -> D1;
is_list(D1) -> list_to_binary(D1);
true -> error
end,
if D /= error ->
case jid:from_string(D) of
#jid{luser = <<"">>, lserver = LD,
lresource = <<"">>} ->
[LD];
_ -> []
end;
true -> []
end;
_ -> []
end;
(_) -> []
end,
Subject)
++
lists:flatmap(fun (#'Extension'{extnID =
?'id-ce-subjectAltName',
extnValue = Val}) ->
BVal = if is_list(Val) -> list_to_binary(Val);
true -> Val
end,
case 'OTP-PUB-KEY':decode('SubjectAltName', BVal)
of
{ok, SANs} ->
lists:flatmap(fun ({otherName,
#'AnotherName'{'type-id' =
?'id-on-xmppAddr',
value =
XmppAddr}}) ->
case
'XmppAddr':decode('XmppAddr',
XmppAddr)
of
{ok, D}
when
is_binary(D) ->
case
jid:from_string((D))
of
#jid{luser =
<<"">>,
lserver =
LD,
lresource =
<<"">>} ->
case
ejabberd_idna:domain_utf8_to_ascii(LD)
of
false ->
[];
PCLD ->
[PCLD]
end;
_ -> []
end;
_ -> []
end;
({dNSName, D})
when is_list(D) ->
case
jid:from_string(list_to_binary(D))
of
#jid{luser = <<"">>,
lserver = LD,
lresource =
<<"">>} ->
[LD];
_ -> []
end;
(_) -> []
end,
SANs);
_ -> []
end;
(_) -> []
end,
Extensions).
match_domain(Domain, Domain) -> true;
match_domain(Domain, Pattern) ->
DLabels = str:tokens(Domain, <<".">>),
PLabels = str:tokens(Pattern, <<".">>),
match_labels(DLabels, PLabels).
match_labels([], []) -> true;
match_labels([], [_ | _]) -> false;
match_labels([_ | _], []) -> false;
match_labels([DL | DLabels], [PL | PLabels]) ->
case lists:all(fun (C) ->
$a =< C andalso C =< $z orelse
$0 =< C andalso C =< $9 orelse
C == $- orelse C == $*
end,
binary_to_list(PL))
of
true ->
Regexp = ejabberd_regexp:sh_to_awk(PL),
case ejabberd_regexp:run(DL, Regexp) of
match -> match_labels(DLabels, PLabels);
nomatch -> false
end;
false -> false
end.
opt_type(route_subdomains) ->
fun (s2s) -> s2s;
(local) -> local
end;
opt_type(s2s_access) ->
fun acl:access_rules_validator/1;
opt_type(_) -> [route_subdomains, s2s_access].
opt_type(domain_certfile) -> fun iolist_to_binary/1;
opt_type(s2s_certfile) -> fun iolist_to_binary/1;
opt_type(s2s_ciphers) -> fun iolist_to_binary/1;
opt_type(s2s_dhfile) -> fun iolist_to_binary/1;
opt_type(s2s_protocol_options) ->
fun (Options) -> str:join(Options, <<"|">>) end;
opt_type(s2s_tls_compression) ->
fun (true) -> true;
(false) -> false
end;
opt_type(s2s_use_starttls) ->
fun (true) -> true;
(false) -> false;
(optional) -> optional;
(required) -> required;
(required_trusted) -> required_trusted
end;
opt_type(s2s_timeout) ->
fun(I) when is_integer(I), I>=0 -> I;
(infinity) -> infinity
end;
opt_type(_) ->
[route_subdomains, s2s_access, s2s_certfile,
s2s_ciphers, s2s_dhfile, s2s_protocol_options,
s2s_tls_compression, s2s_use_starttls, s2s_timeout].

878
src/ejabberd_s2s_in.erl
View File

@ -1,8 +1,5 @@
%%%----------------------------------------------------------------------
%%% File : ejabberd_s2s_in.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Serve incoming s2s connection
%%% Created : 6 Dec 2002 by Alexey Shchepin <alexey@process-one.net>
%%%-------------------------------------------------------------------
%%% Created : 12 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
@ -21,645 +18,314 @@
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
%%%-------------------------------------------------------------------
-module(ejabberd_s2s_in).
-behaviour(xmpp_stream_in).
-behaviour(ejabberd_config).
-behaviour(ejabberd_socket).
-author('alexey@process-one.net').
-behaviour(p1_fsm).
%% External exports
%% ejabberd_socket callbacks
-export([start/2, start_link/2, socket_type/0]).
-export([init/1, wait_for_stream/2,
wait_for_feature_request/2, stream_established/2,
handle_event/3, handle_sync_event/4, code_change/4,
handle_info/3, print_state/1, terminate/3, opt_type/1]).
%% ejabberd_config callbacks
-export([opt_type/1]).
%% xmpp_stream_in callbacks
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3]).
-export([tls_options/1, tls_required/1, tls_verify/1, tls_enabled/1,
compress_methods/1,
unauthenticated_stream_features/1, authenticated_stream_features/1,
handle_stream_start/2, handle_stream_end/2,
handle_stream_established/1, handle_auth_success/4,
handle_auth_failure/4, handle_send/3, handle_recv/3, handle_cdata/2,
handle_unauthenticated_packet/2, handle_authenticated_packet/2]).
%% Hooks
-export([handle_unexpected_info/2, handle_unexpected_cast/2,
reject_unauthenticated_packet/2, process_closed/2]).
%% API
-export([stop/1, close/1, send/2, update_state/2, establish/1, add_hooks/0]).
-include("ejabberd.hrl").
-include("xmpp.hrl").
-include("logger.hrl").
-include("xmpp.hrl").
-define(DICT, dict).
-record(state,
{socket :: ejabberd_socket:socket_state(),
sockmod = ejabberd_socket :: ejabberd_socket | ejabberd_frontend_socket,
streamid = <<"">> :: binary(),
shaper = none :: shaper:shaper(),
tls = false :: boolean(),
tls_enabled = false :: boolean(),
tls_required = false :: boolean(),
tls_certverify = false :: boolean(),
tls_options = [] :: list(),
server = <<"">> :: binary(),
authenticated = false :: boolean(),
auth_domain = <<"">> :: binary(),
connections = (?DICT):new() :: ?TDICT,
timer = make_ref() :: reference()}).
-type state_name() :: wait_for_stream | wait_for_feature_request | stream_established.
-type state() :: #state{}.
-type fsm_next() :: {next_state, state_name(), state()}.
-type fsm_stop() :: {stop, normal, state()}.
-type fsm_transition() :: fsm_stop() | fsm_next().
%%-define(DBGFSM, true).
-ifdef(DBGFSM).
-define(FSMOPTS, [{debug, [trace]}]).
-else.
-define(FSMOPTS, []).
-endif.
-type state() :: map().
-export_type([state/0]).
%%%===================================================================
%%% API
%%%===================================================================
start(SockData, Opts) ->
supervisor:start_child(ejabberd_s2s_in_sup,
[SockData, Opts]).
case proplists:get_value(supervisor, Opts, true) of
true ->
supervisor:start_child(ejabberd_s2s_in_sup, [SockData, Opts]);
_ ->
xmpp_stream_in:start(?MODULE, [SockData, Opts],
ejabberd_config:fsm_limit_opts(Opts))
end.
start_link(SockData, Opts) ->
p1_fsm:start_link(ejabberd_s2s_in, [SockData, Opts],
?FSMOPTS ++ fsm_limit_opts(Opts)).
xmpp_stream_in:start_link(?MODULE, [SockData, Opts],
ejabberd_config:fsm_limit_opts(Opts)).
socket_type() -> xml_stream.
close(Ref) ->
xmpp_stream_in:close(Ref).
%%%----------------------------------------------------------------------
%%% Callback functions from gen_fsm
%%%----------------------------------------------------------------------
stop(Ref) ->
xmpp_stream_in:stop(Ref).
init([{SockMod, Socket}, Opts]) ->
?DEBUG("started: ~p", [{SockMod, Socket}]),
Shaper = case lists:keysearch(shaper, 1, Opts) of
{value, {_, S}} -> S;
_ -> none
end,
{StartTLS, TLSRequired, TLSCertverify} =
case ejabberd_config:get_option(
s2s_use_starttls,
fun(false) -> false;
(true) -> true;
(optional) -> optional;
(required) -> required;
(required_trusted) -> required_trusted
end,
false) of
UseTls
when (UseTls == undefined) or
(UseTls == false) ->
{false, false, false};
UseTls
when (UseTls == true) or
(UseTls ==
optional) ->
{true, false, false};
required -> {true, true, false};
required_trusted ->
{true, true, true}
end,
TLSOpts1 = case ejabberd_config:get_option(
s2s_certfile,
fun iolist_to_binary/1) of
undefined -> [];
CertFile -> [{certfile, CertFile}]
end,
TLSOpts2 = case ejabberd_config:get_option(
s2s_ciphers, fun iolist_to_binary/1) of
undefined -> TLSOpts1;
Ciphers -> [{ciphers, Ciphers} | TLSOpts1]
end,
TLSOpts3 = case ejabberd_config:get_option(
s2s_protocol_options,
fun (Options) ->
[_|O] = lists:foldl(
fun(X, Acc) -> X ++ Acc end, [],
[["|" | binary_to_list(Opt)] || Opt <- Options, is_binary(Opt)]
),
iolist_to_binary(O)
end) of
undefined -> TLSOpts2;
ProtocolOpts -> [{protocol_options, ProtocolOpts} | TLSOpts2]
end,
TLSOpts4 = case ejabberd_config:get_option(
s2s_dhfile, fun iolist_to_binary/1) of
undefined -> TLSOpts3;
DHFile -> [{dhfile, DHFile} | TLSOpts3]
end,
TLSOpts = case proplists:get_bool(tls_compression, Opts) of
false -> [compression_none | TLSOpts4];
true -> TLSOpts4
end,
Timer = erlang:start_timer(?S2STIMEOUT, self(), []),
{ok, wait_for_stream,
#state{socket = Socket, sockmod = SockMod,
streamid = new_id(), shaper = Shaper, tls = StartTLS,
tls_enabled = false, tls_required = TLSRequired,
tls_certverify = TLSCertverify, tls_options = TLSOpts,
timer = Timer}}.
socket_type() ->
xml_stream.
%%----------------------------------------------------------------------
%% Func: StateName/2
%% Returns: {next_state, NextStateName, NextStateData} |
%% {next_state, NextStateName, NextStateData, Timeout} |
%% {stop, Reason, NewStateData}
%%----------------------------------------------------------------------
wait_for_stream({xmlstreamstart, Name, Attrs}, StateData) ->
try xmpp:decode(#xmlel{name = Name, attrs = Attrs}) of
#stream_start{xmlns = NS_SERVER, stream_xmlns = NS_STREAM}
when NS_SERVER /= ?NS_SERVER; NS_STREAM /= ?NS_STREAM ->
send_header(StateData, {1,0}),
send_element(StateData, xmpp:serr_invalid_namespace()),
{stop, normal, StateData};
#stream_start{to = #jid{lserver = Server},
from = From, version = {1,0}}
when StateData#state.tls and not StateData#state.authenticated ->
send_header(StateData, {1,0}),
Auth = if StateData#state.tls_enabled ->
case From of
#jid{} ->
{Result, Message} =
ejabberd_s2s:check_peer_certificate(
StateData#state.sockmod,
StateData#state.socket,
From#jid.lserver),
{Result, From#jid.lserver, Message};
undefined ->
{error, <<"(unknown)">>,
<<"Got no valid 'from' attribute">>}
end;
-spec send(pid(), xmpp_element()) -> ok;
(state(), xmpp_element()) -> state().
send(Stream, Pkt) ->
xmpp_stream_in:send(Stream, Pkt).
-spec establish(state()) -> state().
establish(State) ->
xmpp_stream_in:establish(State).
-spec update_state(pid(), fun((state()) -> state()) |
{module(), atom(), list()}) -> ok.
update_state(Ref, Callback) ->
xmpp_stream_in:cast(Ref, {update_state, Callback}).
-spec add_hooks() -> ok.
add_hooks() ->
lists:foreach(
fun(Host) ->
ejabberd_hooks:add(s2s_in_closed, Host, ?MODULE,
process_closed, 100),
ejabberd_hooks:add(s2s_in_unauthenticated_packet, Host, ?MODULE,
reject_unauthenticated_packet, 100),
ejabberd_hooks:add(s2s_in_handle_info, Host, ?MODULE,
handle_unexpected_info, 100),
ejabberd_hooks:add(s2s_in_handle_cast, Host, ?MODULE,
handle_unexpected_cast, 100)
end, ?MYHOSTS).
%%%===================================================================
%%% Hooks
%%%===================================================================
handle_unexpected_info(State, Info) ->
?WARNING_MSG("got unexpected info: ~p", [Info]),
State.
handle_unexpected_cast(State, Msg) ->
?WARNING_MSG("got unexpected cast: ~p", [Msg]),
State.
reject_unauthenticated_packet(State, _Pkt) ->
Err = xmpp:serr_not_authorized(),
send(State, Err).
process_closed(State, _Reason) ->
stop(State).
%%%===================================================================
%%% xmpp_stream_in callbacks
%%%===================================================================
tls_options(#{tls_options := TLSOpts, server_host := LServer}) ->
ejabberd_s2s:tls_options(LServer, TLSOpts).
tls_required(#{server_host := LServer}) ->
ejabberd_s2s:tls_required(LServer).
tls_verify(#{server_host := LServer}) ->
ejabberd_s2s:tls_verify(LServer).
tls_enabled(#{server_host := LServer}) ->
ejabberd_s2s:tls_enabled(LServer).
compress_methods(#{server_host := LServer}) ->
case ejabberd_s2s:zlib_enabled(LServer) of
true -> [<<"zlib">>];
false -> []
end.
unauthenticated_stream_features(#{server_host := LServer}) ->
ejabberd_hooks:run_fold(s2s_in_pre_auth_features, LServer, [], [LServer]).
authenticated_stream_features(#{server_host := LServer}) ->
ejabberd_hooks:run_fold(s2s_in_post_auth_features, LServer, [], [LServer]).
handle_stream_start(_StreamStart, #{lserver := LServer} = State) ->
case check_to(jid:make(LServer), State) of
false ->
send(State, xmpp:serr_host_unknown());
true ->
{no_verify, <<"(unknown)">>, <<"TLS not (yet) enabled">>}
end,
StartTLS = if StateData#state.tls_enabled -> [];
not StateData#state.tls_enabled and
not StateData#state.tls_required ->
[#starttls{required = false}];
not StateData#state.tls_enabled and
StateData#state.tls_required ->
[#starttls{required = true}]
end,
case Auth of
{error, RemoteServer, CertError}
when StateData#state.tls_certverify ->
?INFO_MSG("Closing s2s connection: ~s <--> ~s (~s)",
[StateData#state.server, RemoteServer, CertError]),
send_element(StateData,
xmpp:serr_policy_violation(CertError, ?MYLANG)),
{stop, normal, StateData};
{VerifyResult, RemoteServer, Msg} ->
{SASL, NewStateData} =
case VerifyResult of
ok ->
{[#sasl_mechanisms{list = [<<"EXTERNAL">>]}],
StateData#state{auth_domain = RemoteServer}};
error ->
?DEBUG("Won't accept certificate of ~s: ~s",
[RemoteServer, Msg]),
{[], StateData};
no_verify ->
{[], StateData}
end,
send_element(NewStateData,
#stream_features{
sub_els = SASL ++ StartTLS ++
ejabberd_hooks:run_fold(
s2s_stream_features, Server, [],
[Server])}),
{next_state, wait_for_feature_request,
NewStateData#state{server = Server}}
end;
#stream_start{to = #jid{lserver = Server},
version = {1,0}} when StateData#state.authenticated ->
send_header(StateData, {1,0}),
send_element(StateData,
#stream_features{
sub_els = ejabberd_hooks:run_fold(
s2s_stream_features, Server, [],
[Server])}),
{next_state, stream_established, StateData};
#stream_start{db_xmlns = ?NS_SERVER_DIALBACK}
when (StateData#state.tls_required and StateData#state.tls_enabled)
or (not StateData#state.tls_required) ->
send_header(StateData, undefined),
{next_state, stream_established, StateData};
#stream_start{} ->
send_header(StateData, {1,0}),
send_element(StateData, xmpp:serr_undefined_condition()),
{stop, normal, StateData};
_ ->
send_header(StateData, {1,0}),
send_element(StateData, xmpp:serr_invalid_xml()),
{stop, normal, StateData}
catch _:{xmpp_codec, Why} ->
Txt = xmpp:format_error(Why),
send_header(StateData, {1,0}),
send_element(StateData, xmpp:serr_invalid_xml(Txt, ?MYLANG)),
{stop, normal, StateData}
end;
wait_for_stream({xmlstreamerror, _}, StateData) ->
send_header(StateData, {1,0}),
send_element(StateData, xmpp:serr_not_well_formed()),
{stop, normal, StateData};
wait_for_stream(timeout, StateData) ->
send_header(StateData, {1,0}),
send_element(StateData, xmpp:serr_connection_timeout()),
{stop, normal, StateData};
wait_for_stream(closed, StateData) ->
{stop, normal, StateData}.
ServerHost = ejabberd_router:host_of_route(LServer),
State#{server_host => ServerHost}
end.
wait_for_feature_request({xmlstreamelement, El}, StateData) ->
decode_element(El, wait_for_feature_request, StateData);
wait_for_feature_request(#starttls{},
#state{tls = true, tls_enabled = false} = StateData) ->
case (StateData#state.sockmod):get_sockmod(StateData#state.socket) of
gen_tcp ->
?DEBUG("starttls", []),
Socket = StateData#state.socket,
TLSOpts1 = case
ejabberd_config:get_option(
{domain_certfile, StateData#state.server},
fun iolist_to_binary/1) of
undefined -> StateData#state.tls_options;
CertFile ->
lists:keystore(certfile, 1,
StateData#state.tls_options,
{certfile, CertFile})
end,
TLSOpts2 = case ejabberd_config:get_option(
{s2s_cafile, StateData#state.server},
fun iolist_to_binary/1) of
undefined -> TLSOpts1;
CAFile ->
lists:keystore(cafile, 1, TLSOpts1,
{cafile, CAFile})
end,
TLSOpts = case ejabberd_config:get_option(
{s2s_tls_compression, StateData#state.server},
fun(true) -> true;
(false) -> false
end, false) of
true -> lists:delete(compression_none, TLSOpts2);
false -> [compression_none | TLSOpts2]
end,
TLSSocket = (StateData#state.sockmod):starttls(
Socket, TLSOpts,
fxml:element_to_binary(
xmpp:encode(#starttls_proceed{}))),
{next_state, wait_for_stream,
StateData#state{socket = TLSSocket, streamid = new_id(),
tls_enabled = true, tls_options = TLSOpts}};
_ ->
send_element(StateData, #starttls_failure{}),
{stop, normal, StateData}
end;
wait_for_feature_request(#sasl_auth{mechanism = Mech},
#state{tls_enabled = true} = StateData) ->
case Mech of
<<"EXTERNAL">> when StateData#state.auth_domain /= <<"">> ->
AuthDomain = StateData#state.auth_domain,
AllowRemoteHost = ejabberd_s2s:allow_host(<<"">>, AuthDomain),
if AllowRemoteHost ->
(StateData#state.sockmod):reset_stream(StateData#state.socket),
send_element(StateData, #sasl_success{}),
?INFO_MSG("Accepted s2s EXTERNAL authentication for ~s (TLS=~p)",
[AuthDomain, StateData#state.tls_enabled]),
change_shaper(StateData, <<"">>, jid:make(AuthDomain)),
{next_state, wait_for_stream,
StateData#state{streamid = new_id(),
authenticated = true}};
handle_stream_end(Reason, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_closed, LServer, State, [Reason]).
handle_stream_established(State) ->
set_idle_timeout(State#{established => true}).
handle_auth_success(RServer, Mech, _AuthModule,
#{sockmod := SockMod,
socket := Socket, ip := IP,
auth_domains := AuthDomains,
server_host := ServerHost,
lserver := LServer} = State) ->
?INFO_MSG("(~s) Accepted inbound s2s ~s authentication ~s -> ~s (~s)",
[SockMod:pp(Socket), Mech, RServer, LServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP))]),
State1 = case ejabberd_s2s:allow_host(ServerHost, RServer) of
true ->
Txt = xmpp:mk_text(<<"Denied by ACL">>, ?MYLANG),
send_element(StateData,
#sasl_failure{reason = 'not-authorized',
text = Txt}),
{stop, normal, StateData}
end;
_ ->
send_element(StateData, #sasl_failure{reason = 'invalid-mechanism'}),
{stop, normal, StateData}
end;
wait_for_feature_request({xmlstreamend, _Name}, StateData) ->
{stop, normal, StateData};
wait_for_feature_request({xmlstreamerror, _}, StateData) ->
send_element(StateData, xmpp:serr_not_well_formed()),
{stop, normal, StateData};
wait_for_feature_request(closed, StateData) ->
{stop, normal, StateData};
wait_for_feature_request(_Pkt, #state{tls_required = TLSRequired,
tls_enabled = TLSEnabled} = StateData)
when TLSRequired and not TLSEnabled ->
Txt = <<"Use of STARTTLS required">>,
send_element(StateData, xmpp:serr_policy_violation(Txt, ?MYLANG)),
{stop, normal, StateData};
wait_for_feature_request(El, StateData) ->
stream_established({xmlstreamelement, El}, StateData).
stream_established({xmlstreamelement, El}, StateData) ->
cancel_timer(StateData#state.timer),
Timer = erlang:start_timer(?S2STIMEOUT, self(), []),
decode_element(El, stream_established, StateData#state{timer = Timer});
stream_established(#db_result{to = To, from = From, key = Key},
StateData) ->
?DEBUG("GET KEY: ~p", [{To, From, Key}]),
case {ejabberd_s2s:allow_host(To, From),
lists:member(To, ejabberd_router:dirty_get_all_domains())} of
{true, true} ->
ejabberd_s2s_out:terminate_if_waiting_delay(To, From),
ejabberd_s2s_out:start(To, From,
{verify, self(), Key,
StateData#state.streamid}),
Conns = (?DICT):store({From, To},
wait_for_verification,
StateData#state.connections),
change_shaper(StateData, To, jid:make(From)),
{next_state, stream_established,
StateData#state{connections = Conns}};
{_, false} ->
send_element(StateData, xmpp:serr_host_unknown()),
{stop, normal, StateData};
{false, _} ->
send_element(StateData, xmpp:serr_invalid_from()),
{stop, normal, StateData}
end;
stream_established(#db_verify{to = To, from = From, id = Id, key = Key},
StateData) ->
?DEBUG("VERIFY KEY: ~p", [{To, From, Id, Key}]),
Type = case ejabberd_s2s:make_key({To, From}, Id) of
Key -> valid;
_ -> invalid
AuthDomains1 = sets:add_element(RServer, AuthDomains),
change_shaper(State, RServer),
State#{auth_domains => AuthDomains1};
false ->
State
end,
send_element(StateData,
#db_verify{from = To, to = From, id = Id, type = Type}),
{next_state, stream_established, StateData};
stream_established(Pkt, StateData) when ?is_stanza(Pkt) ->
ejabberd_hooks:run_fold(s2s_in_auth_result, ServerHost, State1, [true, RServer]).
handle_auth_failure(RServer, Mech, Reason,
#{sockmod := SockMod,
socket := Socket, ip := IP,
server_host := ServerHost,
lserver := LServer} = State) ->
?INFO_MSG("(~s) Failed inbound s2s ~s authentication ~s -> ~s (~s): ~s",
[SockMod:pp(Socket), Mech, RServer, LServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP)), Reason]),
ejabberd_hooks:run_fold(s2s_in_auth_result,
ServerHost, State, [false, RServer]).
handle_unauthenticated_packet(Pkt, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_unauthenticated_packet,
LServer, State, [Pkt]).
handle_authenticated_packet(Pkt, #{server_host := LServer} = State) when not ?is_stanza(Pkt) ->
ejabberd_hooks:run_fold(s2s_in_authenticated_packet, LServer, State, [Pkt]);
handle_authenticated_packet(Pkt, State) ->
From = xmpp:get_from(Pkt),
To = xmpp:get_to(Pkt),
if To /= undefined, From /= undefined ->
LFrom = From#jid.lserver,
LTo = To#jid.lserver,
if StateData#state.authenticated ->
case LFrom == StateData#state.auth_domain andalso
lists:member(LTo, ejabberd_router:dirty_get_all_domains()) of
true ->
ejabberd_hooks:run(s2s_receive_packet, LTo,
[From, To, Pkt]),
ejabberd_router:route(From, To, Pkt);
false ->
send_error(StateData, Pkt, xmpp:err_not_authorized())
end;
true ->
case (?DICT):find({LFrom, LTo}, StateData#state.connections) of
{ok, established} ->
ejabberd_hooks:run(s2s_receive_packet, LTo,
[From, To, Pkt]),
ejabberd_router:route(From, To, Pkt);
_ ->
send_error(StateData, Pkt, xmpp:err_not_authorized())
end
end;
true ->
send_error(StateData, Pkt, xmpp:err_jid_malformed())
case check_from_to(From, To, State) of
ok ->
LServer = ejabberd_router:host_of_route(To#jid.lserver),
State1 = ejabberd_hooks:run_fold(s2s_in_authenticated_packet,
LServer, State, [Pkt]),
{Pkt1, State2} = ejabberd_hooks:run_fold(s2s_receive_packet, LServer,
{Pkt, State1}, []),
case Pkt1 of
drop -> ok;
_ -> ejabberd_router:route(From, To, Pkt1)
end,
ejabberd_hooks:run(s2s_loop_debug, [{xmlstreamelement, Pkt}]),
{next_state, stream_established, StateData};
stream_established({valid, From, To}, StateData) ->
send_element(StateData,
#db_result{from = To, to = From, type = valid}),
?INFO_MSG("Accepted s2s dialback authentication for ~s (TLS=~p)",
[From, StateData#state.tls_enabled]),
NSD = StateData#state{connections =
(?DICT):store({From, To}, established,
StateData#state.connections)},
{next_state, stream_established, NSD};
stream_established({invalid, From, To}, StateData) ->
send_element(StateData,
#db_result{from = To, to = From, type = invalid}),
NSD = StateData#state{connections =
(?DICT):erase({From, To},
StateData#state.connections)},
{next_state, stream_established, NSD};
stream_established({xmlstreamend, _Name}, StateData) ->
{stop, normal, StateData};
stream_established({xmlstreamerror, _}, StateData) ->
send_element(StateData, xmpp:serr_not_well_formed()),
{stop, normal, StateData};
stream_established(timeout, StateData) ->
send_element(StateData, xmpp:serr_connection_timeout()),
{stop, normal, StateData};
stream_established(closed, StateData) ->
{stop, normal, StateData};
stream_established(Pkt, StateData) ->
ejabberd_hooks:run(s2s_loop_debug, [{xmlstreamelement, Pkt}]),
{next_state, stream_established, StateData}.
State2;
{error, Err} ->
send(State, Err)
end.
%%----------------------------------------------------------------------
%% Func: StateName/3
%% Returns: {next_state, NextStateName, NextStateData} |
%% {next_state, NextStateName, NextStateData, Timeout} |
%% {reply, Reply, NextStateName, NextStateData} |
%% {reply, Reply, NextStateName, NextStateData, Timeout} |
%% {stop, Reason, NewStateData} |
%% {stop, Reason, Reply, NewStateData}
%%----------------------------------------------------------------------
%state_name(Event, From, StateData) ->
% Reply = ok,
% {reply, Reply, state_name, StateData}.
handle_cdata(Data, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_handle_cdata, LServer, State, [Data]).
handle_event(_Event, StateName, StateData) ->
{next_state, StateName, StateData}.
handle_recv(El, Pkt, #{server_host := LServer} = State) ->
State1 = set_idle_timeout(State),
ejabberd_hooks:run_fold(s2s_in_handle_recv, LServer, State1, [El, Pkt]).
handle_sync_event(get_state_infos, _From, StateName,
StateData) ->
SockMod = StateData#state.sockmod,
{Addr, Port} = try
SockMod:peername(StateData#state.socket)
of
{ok, {A, P}} -> {A, P};
{error, _} -> {unknown, unknown}
catch
_:_ -> {unknown, unknown}
handle_send(Pkt, Result, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_handle_send, LServer,
State, [Pkt, Result]).
init([State, Opts]) ->
Shaper = gen_mod:get_opt(shaper, Opts, fun acl:shaper_rules_validator/1, none),
TLSOpts1 = lists:filter(
fun({certfile, _}) -> true;
({ciphers, _}) -> true;
({dhfile, _}) -> true;
({cafile, _}) -> true;
(_) -> false
end, Opts),
TLSOpts2 = case lists:keyfind(protocol_options, 1, Opts) of
false -> TLSOpts1;
{_, OptString} ->
ProtoOpts = str:join(OptString, <<$|>>),
[{protocol_options, ProtoOpts}|TLSOpts1]
end,
Domains = get_external_hosts(StateData),
Infos = [{direction, in}, {statename, StateName},
{addr, Addr}, {port, Port},
{streamid, StateData#state.streamid},
{tls, StateData#state.tls},
{tls_enabled, StateData#state.tls_enabled},
{tls_options, StateData#state.tls_options},
{authenticated, StateData#state.authenticated},
{shaper, StateData#state.shaper}, {sockmod, SockMod},
{domains, Domains}],
Reply = {state_infos, Infos},
{reply, Reply, StateName, StateData};
%%----------------------------------------------------------------------
%% Func: handle_sync_event/4
%% Returns: {next_state, NextStateName, NextStateData} |
%% {next_state, NextStateName, NextStateData, Timeout} |
%% {reply, Reply, NextStateName, NextStateData} |
%% {reply, Reply, NextStateName, NextStateData, Timeout} |
%% {stop, Reason, NewStateData} |
%% {stop, Reason, Reply, NewStateData}
%%----------------------------------------------------------------------
handle_sync_event(_Event, _From, StateName,
StateData) ->
Reply = ok, {reply, Reply, StateName, StateData}.
code_change(_OldVsn, StateName, StateData, _Extra) ->
{ok, StateName, StateData}.
handle_info({send_text, Text}, StateName, StateData) ->
send_text(StateData, Text),
{next_state, StateName, StateData};
handle_info({timeout, Timer, _}, StateName,
#state{timer = Timer} = StateData) ->
if StateName == wait_for_stream ->
send_header(StateData, undefined);
true ->
ok
TLSOpts3 = case proplists:get_bool(tls_compression, Opts) of
false -> [compression_none | TLSOpts2];
true -> TLSOpts2
end,
send_element(StateData, xmpp:serr_connection_timeout()),
{stop, normal, StateData};
handle_info(_, StateName, StateData) ->
{next_state, StateName, StateData}.
State1 = State#{tls_options => TLSOpts3,
auth_domains => sets:new(),
xmlns => ?NS_SERVER,
lang => ?MYLANG,
server => ?MYNAME,
lserver => ?MYNAME,
server_host => ?MYNAME,
established => false,
shaper => Shaper},
ejabberd_hooks:run_fold(s2s_in_init, {ok, State1}, [Opts]).
terminate(Reason, _StateName, StateData) ->
?DEBUG("terminated: ~p", [Reason]),
handle_call(Request, From, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_handle_call, LServer, State, [Request, From]).
handle_cast({update_state, Fun}, State) ->
case Fun of
{M, F, A} -> erlang:apply(M, F, [State|A]);
_ when is_function(Fun) -> Fun(State)
end;
handle_cast(Msg, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_handle_cast, LServer, State, [Msg]).
handle_info(Info, #{server_host := LServer} = State) ->
ejabberd_hooks:run_fold(s2s_in_handle_info, LServer, State, [Info]).
terminate(Reason, #{auth_domains := AuthDomains}) ->
case Reason of
{process_limit, _} ->
[ejabberd_s2s:external_host_overloaded(Host)
|| Host <- get_external_hosts(StateData)];
_ -> ok
end,
catch send_trailer(StateData),
(StateData#state.sockmod):close(StateData#state.socket),
ok.
get_external_hosts(StateData) ->
case StateData#state.authenticated of
true -> [StateData#state.auth_domain];
false ->
Connections = StateData#state.connections,
[D
|| {{D, _}, established} <- dict:to_list(Connections)]
sets:fold(
fun(Host, _) ->
ejabberd_s2s:external_host_overloaded(Host)
end, ok, AuthDomains);
_ ->
ok
end.
print_state(State) -> State.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%----------------------------------------------------------------------
%%%===================================================================
%%% Internal functions
%%%----------------------------------------------------------------------
-spec send_text(state(), iodata()) -> ok.
send_text(StateData, Text) ->
(StateData#state.sockmod):send(StateData#state.socket,
Text).
-spec send_element(state(), xmpp_element()) -> ok.
send_element(StateData, El) ->
El1 = xmpp:encode(El, ?NS_SERVER),
send_text(StateData, fxml:element_to_binary(El1)).
-spec send_error(state(), xmlel() | stanza(), stanza_error()) -> ok.
send_error(StateData, Stanza, Error) ->
Type = xmpp:get_type(Stanza),
if Type == error; Type == result;
Type == <<"error">>; Type == <<"result">> ->
ok;
%%%===================================================================
-spec check_from_to(jid(), jid(), state()) -> ok | {error, stream_error()}.
check_from_to(From, To, State) ->
case check_from(From, State) of
true ->
send_element(StateData, xmpp:make_error(Stanza, Error))
end.
-spec send_trailer(state()) -> ok.
send_trailer(StateData) ->
send_text(StateData, <<"</stream:stream>">>).
-spec send_header(state(), undefined | {integer(), integer()}) -> ok.
send_header(StateData, Version) ->
Header = xmpp:encode(
#stream_start{xmlns = ?NS_SERVER,
stream_xmlns = ?NS_STREAM,
db_xmlns = ?NS_SERVER_DIALBACK,
id = StateData#state.streamid,
version = Version}),
send_text(StateData, fxml:element_to_header(Header)).
-spec change_shaper(state(), binary(), jid()) -> ok.
change_shaper(StateData, Host, JID) ->
Shaper = acl:match_rule(Host, StateData#state.shaper,
JID),
(StateData#state.sockmod):change_shaper(StateData#state.socket,
Shaper).
-spec new_id() -> binary().
new_id() -> randoms:get_string().
-spec cancel_timer(reference()) -> ok.
cancel_timer(Timer) ->
erlang:cancel_timer(Timer),
receive {timeout, Timer, _} -> ok after 0 -> ok end.
fsm_limit_opts(Opts) ->
case lists:keysearch(max_fsm_queue, 1, Opts) of
{value, {_, N}} when is_integer(N) -> [{max_queue, N}];
_ ->
case ejabberd_config:get_option(
max_fsm_queue,
fun(I) when is_integer(I), I > 0 -> I end) of
undefined -> [];
N -> [{max_queue, N}]
end
end.
-spec decode_element(xmlel() | xmpp_element(), state_name(), state()) -> fsm_transition().
decode_element(#xmlel{} = El, StateName, StateData) ->
Opts = if StateName == stream_established ->
[ignore_els];
case check_to(To, State) of
true ->
[]
end,
try xmpp:decode(El, ?NS_SERVER, Opts) of
Pkt -> ?MODULE:StateName(Pkt, StateData)
catch error:{xmpp_codec, Why} ->
case xmpp:is_stanza(El) of
true ->
Lang = xmpp:get_lang(El),
Txt = xmpp:format_error(Why),
send_error(StateData, El, xmpp:err_bad_request(Txt, Lang));
ok;
false ->
ok
end,
{next_state, StateName, StateData}
{error, xmpp:serr_host_unknown()}
end;
decode_element(Pkt, StateName, StateData) ->
?MODULE:StateName(Pkt, StateData).
false ->
{error, xmpp:serr_invalid_from()}
end.
-spec check_from(jid(), state()) -> boolean().
check_from(#jid{lserver = S1}, #{auth_domains := AuthDomains}) ->
sets:is_element(S1, AuthDomains).
-spec check_to(jid(), state()) -> boolean().
check_to(#jid{lserver = LServer}, _State) ->
ejabberd_router:is_my_route(LServer).
-spec set_idle_timeout(state()) -> state().
set_idle_timeout(#{server_host := LServer,
established := true} = State) ->
Timeout = ejabberd_s2s:get_idle_timeout(LServer),
xmpp_stream_in:set_timeout(State, Timeout);
set_idle_timeout(State) ->
State.
-spec change_shaper(state(), binary()) -> ok.
change_shaper(#{shaper := ShaperName, server_host := ServerHost} = State,
RServer) ->
Shaper = acl:match_rule(ServerHost, ShaperName, jid:make(RServer)),
xmpp_stream_in:change_shaper(State, Shaper).
opt_type(domain_certfile) -> fun iolist_to_binary/1;
opt_type(max_fsm_queue) ->
fun (I) when is_integer(I), I > 0 -> I end;
opt_type(s2s_certfile) -> fun iolist_to_binary/1;
opt_type(s2s_cafile) -> fun iolist_to_binary/1;
opt_type(s2s_ciphers) -> fun iolist_to_binary/1;
opt_type(s2s_dhfile) -> fun iolist_to_binary/1;
opt_type(s2s_protocol_options) ->
fun (Options) ->
[_ | O] = lists:foldl(fun (X, Acc) -> X ++ Acc end, [],
[["|" | binary_to_list(Opt)]
|| Opt <- Options, is_binary(Opt)]),
iolist_to_binary(O)
end;
opt_type(s2s_tls_compression) ->
fun (true) -> true;
(false) -> false
end;
opt_type(s2s_use_starttls) ->
fun (false) -> false;
(true) -> true;
(optional) -> optional;
(required) -> required;
(required_trusted) -> required_trusted
end;
opt_type(_) ->
[domain_certfile, max_fsm_queue, s2s_certfile, s2s_cafile,
s2s_ciphers, s2s_dhfile, s2s_protocol_options,
s2s_tls_compression, s2s_use_starttls].
[].

1364
src/ejabberd_s2s_out.erl
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File diff suppressed because it is too large Load Diff

421
src/ejabberd_service.erl
View File

@ -1,8 +1,5 @@
%%%----------------------------------------------------------------------
%%% File : ejabberd_service.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : External component management (XEP-0114)
%%% Created : 6 Dec 2002 by Alexey Shchepin <alexey@process-one.net>
%%%-------------------------------------------------------------------
%%% Created : 11 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
@ -21,77 +18,57 @@
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
%%%-------------------------------------------------------------------
-module(ejabberd_service).
-behaviour(xmpp_stream_in).
-behaviour(ejabberd_config).
-author('alexey@process-one.net').
-behaviour(ejabberd_socket).
-protocol({xep, 114, '1.6'}).
-define(GEN_FSM, p1_fsm).
-behaviour(?GEN_FSM).
%% External exports
-export([start/2, start_link/2, send_text/2,
send_element/2, socket_type/0, transform_listen_option/2]).
-export([init/1, wait_for_stream/2,
wait_for_handshake/2, stream_established/2,
handle_event/3, handle_sync_event/4, code_change/4,
handle_info/3, terminate/3, print_state/1, opt_type/1]).
%% ejabberd_socket callbacks
-export([start/2, start_link/2, socket_type/0]).
%% ejabberd_config callbacks
-export([opt_type/1, transform_listen_option/2]).
%% xmpp_stream_in callbacks
-export([init/1, handle_info/2, terminate/2, code_change/3]).
-export([handle_stream_start/2, handle_auth_success/4, handle_auth_failure/4,
handle_authenticated_packet/2, get_password_fun/1]).
%% API
-export([send/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include("xmpp.hrl").
-include("logger.hrl").
-record(state,
{socket :: ejabberd_socket:socket_state(),
sockmod = ejabberd_socket :: ejabberd_socket | ejabberd_frontend_socket,
streamid = <<"">> :: binary(),
host_opts = dict:new() :: ?TDICT,
host = <<"">> :: binary(),
access :: atom(),
check_from = true :: boolean()}).
-type state() :: map().
-export_type([state/0]).
-type state_name() :: wait_for_stream | wait_for_handshake | stream_established.
-type state() :: #state{}.
-type fsm_next() :: {next_state, state_name(), state()}.
-type fsm_stop() :: {stop, normal, state()}.
-type fsm_transition() :: fsm_stop() | fsm_next().
%-define(DBGFSM, true).
-ifdef(DBGFSM).
-define(FSMOPTS, [{debug, [trace]}]).
-else.
-define(FSMOPTS, []).
-endif.
%%%----------------------------------------------------------------------
%%%===================================================================
%%% API
%%%----------------------------------------------------------------------
%%%===================================================================
start(SockData, Opts) ->
supervisor:start_child(ejabberd_service_sup,
[SockData, Opts]).
xmpp_stream_in:start(?MODULE, [SockData, Opts],
ejabberd_config:fsm_limit_opts(Opts)).
start_link(SockData, Opts) ->
(?GEN_FSM):start_link(ejabberd_service,
[SockData, Opts], fsm_limit_opts(Opts) ++ (?FSMOPTS)).
xmpp_stream_in:start_link(?MODULE, [SockData, Opts],
ejabberd_config:fsm_limit_opts(Opts)).
socket_type() -> xml_stream.
socket_type() ->
xml_stream.
%%%----------------------------------------------------------------------
%%% Callback functions from gen_fsm
%%%----------------------------------------------------------------------
init([{SockMod, Socket}, Opts]) ->
?INFO_MSG("(~w) External service connected", [Socket]),
Access = case lists:keysearch(access, 1, Opts) of
{value, {_, A}} -> A;
_ -> all
end,
-spec send(pid(), xmpp_element()) -> ok;
(state(), xmpp_element()) -> state().
send(Stream, Pkt) ->
xmpp_stream_in:send(Stream, Pkt).
%%%===================================================================
%%% xmpp_stream_in callbacks
%%%===================================================================
init([State, Opts]) ->
Access = gen_mod:get_opt(access, Opts, fun acl:access_rules_validator/1, all),
Shaper = gen_mod:get_opt(shaper_rule, Opts, fun acl:shaper_rules_validator/1, none),
HostOpts = case lists:keyfind(hosts, 1, Opts) of
{hosts, HOpts} ->
lists:foldl(
@ -107,252 +84,141 @@ init([{SockMod, Socket}, Opts]) ->
p1_sha:sha(randoms:bytes(20))),
dict:from_list([{global, Pass}])
end,
Shaper = case lists:keysearch(shaper_rule, 1, Opts) of
{value, {_, S}} -> S;
_ -> none
end,
CheckFrom = case lists:keysearch(service_check_from, 1,
Opts)
of
{value, {_, CF}} -> CF;
_ -> true
end,
SockMod:change_shaper(Socket, Shaper),
{ok, wait_for_stream,
#state{socket = Socket, sockmod = SockMod,
streamid = new_id(), host_opts = HostOpts,
access = Access, check_from = CheckFrom}}.
CheckFrom = gen_mod:get_opt(check_from, Opts,
fun(Flag) when is_boolean(Flag) -> Flag end,
true),
xmpp_stream_in:change_shaper(State, Shaper),
State1 = State#{access => Access,
xmlns => ?NS_COMPONENT,
lang => ?MYLANG,
server => ?MYNAME,
host_opts => HostOpts,
check_from => CheckFrom},
ejabberd_hooks:run_fold(component_init, {ok, State1}, [Opts]).
wait_for_stream({xmlstreamstart, Name, Attrs}, StateData) ->
try xmpp:decode(#xmlel{name = Name, attrs = Attrs}) of
#stream_start{xmlns = NS_COMPONENT, stream_xmlns = NS_STREAM}
when NS_COMPONENT /= ?NS_COMPONENT; NS_STREAM /= ?NS_STREAM ->
send_header(StateData, ?MYNAME),
send_element(StateData, xmpp:serr_invalid_namespace()),
{stop, normal, StateData};
#stream_start{to = To} when is_record(To, jid) ->
Host = To#jid.lserver,
send_header(StateData, Host),
HostOpts = case dict:is_key(Host, StateData#state.host_opts) of
handle_stream_start(_StreamStart,
#{remote_server := RemoteServer,
lang := Lang,
host_opts := HostOpts} = State) ->
case ejabberd_router:is_my_host(RemoteServer) of
true ->
StateData#state.host_opts;
Txt = <<"Unable to register route on existing local domain">>,
xmpp_stream_in:send(State, xmpp:serr_conflict(Txt, Lang));
false ->
case dict:find(global, StateData#state.host_opts) of
NewHostOpts = case dict:is_key(RemoteServer, HostOpts) of
true ->
HostOpts;
false ->
case dict:find(global, HostOpts) of
{ok, GlobalPass} ->
dict:from_list([{Host, GlobalPass}]);
dict:from_list([{RemoteServer, GlobalPass}]);
error ->
StateData#state.host_opts
HostOpts
end
end,
{next_state, wait_for_handshake,
StateData#state{host = Host, host_opts = HostOpts}};
#stream_start{} ->
send_header(StateData, ?MYNAME),
send_element(StateData, xmpp:serr_improper_addressing()),
{stop, normal, StateData};
_ ->
send_header(StateData, ?MYNAME),
send_element(StateData, xmpp:serr_invalid_xml()),
{stop, normal, StateData}
catch _:{xmpp_codec, Why} ->
Txt = xmpp:format_error(Why),
send_header(StateData, ?MYNAME),
send_element(StateData, xmpp:serr_invalid_xml(Txt, ?MYLANG)),
{stop, normal, StateData}
end;
wait_for_stream({xmlstreamerror, _}, StateData) ->
send_header(StateData, ?MYNAME),
send_element(StateData, xmpp:serr_not_well_formed()),
{stop, normal, StateData};
wait_for_stream(closed, StateData) ->
{stop, normal, StateData}.
State#{host_opts => NewHostOpts}
end.
wait_for_handshake({xmlstreamelement, El}, StateData) ->
decode_element(El, wait_for_handshake, StateData);
wait_for_handshake(#handshake{data = Digest}, StateData) ->
case dict:find(StateData#state.host, StateData#state.host_opts) of
get_password_fun(#{remote_server := RemoteServer,
socket := Socket, sockmod := SockMod,
ip := IP,
host_opts := HostOpts}) ->
fun(_) ->
case dict:find(RemoteServer, HostOpts) of
{ok, Password} ->
case p1_sha:sha(<<(StateData#state.streamid)/binary,
Password/binary>>) of
Digest ->
send_element(StateData, #handshake{}),
{Password, undefined};
error ->
?ERROR_MSG("(~s) Domain ~s is unconfigured for "
"external component from ~s",
[SockMod:pp(Socket), RemoteServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP))]),
{false, undefined}
end
end.
handle_auth_success(_, Mech, _,
#{remote_server := RemoteServer, host_opts := HostOpts,
socket := Socket, sockmod := SockMod,
ip := IP} = State) ->
?INFO_MSG("(~s) Accepted external component ~s authentication "
"for ~s from ~s",
[SockMod:pp(Socket), Mech, RemoteServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP))]),
lists:foreach(
fun (H) ->
ejabberd_router:register_route(H, ?MYNAME),
?INFO_MSG("Route registered for service ~p~n",
[H]),
ejabberd_hooks:run(component_connected, [H])
end, dict:fetch_keys(StateData#state.host_opts)),
{next_state, stream_established, StateData};
_ ->
send_element(StateData, xmpp:serr_not_authorized()),
{stop, normal, StateData}
end;
_ ->
send_element(StateData, xmpp:serr_not_authorized()),
{stop, normal, StateData}
end;
wait_for_handshake({xmlstreamend, _Name}, StateData) ->
{stop, normal, StateData};
wait_for_handshake({xmlstreamerror, _}, StateData) ->
send_element(StateData, xmpp:serr_not_well_formed()),
{stop, normal, StateData};
wait_for_handshake(closed, StateData) ->
{stop, normal, StateData};
wait_for_handshake(_Pkt, StateData) ->
{next_state, wait_for_handshake, StateData}.
end, dict:fetch_keys(HostOpts)),
State.
stream_established({xmlstreamelement, El}, StateData) ->
decode_element(El, stream_established, StateData);
stream_established(El, StateData) when ?is_stanza(El) ->
From = xmpp:get_from(El),
To = xmpp:get_to(El),
Lang = xmpp:get_lang(El),
if From == undefined orelse To == undefined ->
Txt = <<"Missing 'from' or 'to' attribute">>,
send_error(StateData, El, xmpp:err_jid_malformed(Txt, Lang));
true ->
case check_from(From, StateData) of
handle_auth_failure(_, Mech, Reason,
#{remote_server := RemoteServer,
sockmod := SockMod,
socket := Socket, ip := IP} = State) ->
?ERROR_MSG("(~s) Failed external component ~s authentication "
"for ~s from ~s: ~s",
[SockMod:pp(Socket), Mech, RemoteServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP)),
Reason]),
State.
handle_authenticated_packet(Pkt, #{lang := Lang} = State) ->
From = xmpp:get_from(Pkt),
case check_from(From, State) of
true ->
ejabberd_router:route(From, To, El);
To = xmpp:get_to(Pkt),
ejabberd_router:route(From, To, Pkt),
State;
false ->
Txt = <<"Improper domain part of 'from' attribute">>,
send_error(StateData, El, xmpp:err_not_allowed(Txt, Lang))
end
end,
{next_state, stream_established, StateData};
stream_established({xmlstreamend, _Name}, StateData) ->
{stop, normal, StateData};
stream_established({xmlstreamerror, _}, StateData) ->
send_element(StateData, xmpp:serr_not_well_formed()),
{stop, normal, StateData};
stream_established(closed, StateData) ->
{stop, normal, StateData};
stream_established(_Event, StateData) ->
{next_state, stream_established, StateData}.
Err = xmpp:serr_invalid_from(Txt, Lang),
xmpp_stream_in:send(State, Err)
end.
handle_event(_Event, StateName, StateData) ->
{next_state, StateName, StateData}.
handle_sync_event(_Event, _From, StateName,
StateData) ->
Reply = ok, {reply, Reply, StateName, StateData}.
code_change(_OldVsn, StateName, StateData, _Extra) ->
{ok, StateName, StateData}.
handle_info({send_text, Text}, StateName, StateData) ->
send_text(StateData, Text),
{next_state, StateName, StateData};
handle_info({send_element, El}, StateName, StateData) ->
send_element(StateData, El),
{next_state, StateName, StateData};
handle_info({route, From, To, Packet}, StateName,
StateData) ->
case acl:match_rule(global, StateData#state.access, From) of
handle_info({route, From, To, Packet}, #{access := Access} = State) ->
case acl:match_rule(global, Access, From) of
allow ->
Pkt = xmpp:set_from_to(Packet, From, To),
send_element(StateData, Pkt);
xmpp_stream_in:send(State, Pkt);
deny ->
Lang = xmpp:get_lang(Packet),
Err = xmpp:err_not_allowed(<<"Denied by ACL">>, Lang),
ejabberd_router:route_error(To, From, Packet, Err)
end,
{next_state, StateName, StateData};
handle_info(Info, StateName, StateData) ->
ejabberd_router:route_error(To, From, Packet, Err),
State
end;
handle_info(Info, State) ->
?ERROR_MSG("Unexpected info: ~p", [Info]),
{next_state, StateName, StateData}.
State.
terminate(Reason, StateName, StateData) ->
?INFO_MSG("terminated: ~p", [Reason]),
case StateName of
stream_established ->
lists:foreach(fun (H) ->
terminate(Reason, #{stream_state := StreamState, host_opts := HostOpts}) ->
case StreamState of
established ->
lists:foreach(
fun(H) ->
ejabberd_router:unregister_route(H),
ejabberd_hooks:run(component_disconnected,
[H, Reason])
end,
dict:fetch_keys(StateData#state.host_opts));
_ -> ok
end,
catch send_trailer(StateData),
(StateData#state.sockmod):close(StateData#state.socket),
ok.
%%----------------------------------------------------------------------
%% Func: print_state/1
%% Purpose: Prepare the state to be printed on error log
%% Returns: State to print
%%----------------------------------------------------------------------
print_state(State) -> State.
%%%----------------------------------------------------------------------
%%% Internal functions
%%%----------------------------------------------------------------------
-spec send_text(state(), iodata()) -> ok.
send_text(StateData, Text) ->
(StateData#state.sockmod):send(StateData#state.socket,
Text).
-spec send_element(state(), xmpp_element()) -> ok.
send_element(StateData, El) ->
El1 = xmpp:encode(El, ?NS_COMPONENT),
send_text(StateData, fxml:element_to_binary(El1)).
-spec send_error(state(), xmlel() | stanza(), stanza_error()) -> ok.
send_error(StateData, Stanza, Error) ->
Type = xmpp:get_type(Stanza),
if Type == error; Type == result;
Type == <<"error">>; Type == <<"result">> ->
ok;
true ->
send_element(StateData, xmpp:make_error(Stanza, Error))
end.
-spec send_header(state(), binary()) -> ok.
send_header(StateData, Host) ->
Header = xmpp:encode(
#stream_start{xmlns = ?NS_COMPONENT,
stream_xmlns = ?NS_STREAM,
from = jid:make(Host),
id = StateData#state.streamid}),
send_text(StateData, fxml:element_to_header(Header)).
-spec send_trailer(state()) -> ok.
send_trailer(StateData) ->
send_text(StateData, <<"</stream:stream>">>).
-spec decode_element(xmlel(), state_name(), state()) -> fsm_transition().
decode_element(#xmlel{} = El, StateName, StateData) ->
try xmpp:decode(El, ?NS_COMPONENT, [ignore_els]) of
Pkt -> ?MODULE:StateName(Pkt, StateData)
catch error:{xmpp_codec, Why} ->
case xmpp:is_stanza(El) of
true ->
Lang = xmpp:get_lang(El),
Txt = xmpp:format_error(Why),
send_error(StateData, El, xmpp:err_bad_request(Txt, Lang));
false ->
ejabberd_hooks:run(component_disconnected, [H, Reason])
end, dict:fetch_keys(HostOpts));
_ ->
ok
end,
{next_state, StateName, StateData}
end.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec check_from(jid(), state()) -> boolean().
check_from(_From, #state{check_from = false}) ->
check_from(_From, #{check_from := false}) ->
%% If the admin does not want to check the from field
%% when accept packets from any address.
%% In this case, the component can send packet of
%% behalf of the server users.
true;
check_from(From, StateData) ->
check_from(From, #{host_opts := HostOpts}) ->
%% The default is the standard behaviour in XEP-0114
Server = From#jid.lserver,
dict:is_key(Server, StateData#state.host_opts).
-spec new_id() -> binary().
new_id() -> randoms:get_string().
dict:is_key(Server, HostOpts).
transform_listen_option({hosts, Hosts, O}, Opts) ->
case lists:keyfind(hosts, 1, Opts) of
@ -372,19 +238,4 @@ transform_listen_option({host, Host, Os}, Opts) ->
transform_listen_option(Opt, Opts) ->
[Opt|Opts].
fsm_limit_opts(Opts) ->
case lists:keysearch(max_fsm_queue, 1, Opts) of
{value, {_, N}} when is_integer(N) ->
[{max_queue, N}];
_ ->
case ejabberd_config:get_option(
max_fsm_queue,
fun(I) when is_integer(I), I > 0 -> I end) of
undefined -> [];
N -> [{max_queue, N}]
end
end.
opt_type(max_fsm_queue) ->
fun (I) when is_integer(I), I > 0 -> I end;
opt_type(_) -> [max_fsm_queue].
opt_type(_) -> [].

143
src/ejabberd_sm.erl
View File

@ -34,6 +34,7 @@
%% API
-export([start/0,
start_link/0,
route/2,
route/3,
process_iq/3,
open_session/5,
@ -63,12 +64,14 @@
user_resources/2,
kick_user/2,
get_session_pid/3,
get_user_info/2,
get_user_info/3,
get_user_ip/3,
get_max_user_sessions/2,
get_all_pids/0,
is_existing_resource/3,
get_commands_spec/0,
c2s_handle_info/2,
make_sid/0
]).
@ -81,7 +84,6 @@
-include("xmpp.hrl").
-include("ejabberd_commands.hrl").
-include("mod_privacy.hrl").
-include("ejabberd_sm.hrl").
-callback init() -> ok | {error, any()}.
@ -98,15 +100,6 @@
%% default value for the maximum number of user connections
-define(MAX_USER_SESSIONS, infinity).
-type broadcast() :: {broadcast, broadcast_data()}.
-type broadcast_data() ::
{rebind, pid(), binary()} | %% ejabberd_c2s
{item, ljid(), mod_roster:subscription()} | %% mod_roster/mod_shared_roster
{exit, binary()} | %% mod_roster/mod_shared_roster
{privacy_list, mod_privacy:userlist(), binary()} | %% mod_privacy
{blocking, unblock_all | {block | unblock, [ljid()]}}. %% mod_blocking
%%====================================================================
%% API
%%====================================================================
@ -120,7 +113,18 @@ start() ->
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
-spec route(jid(), jid(), stanza() | broadcast()) -> ok.
-spec route(jid(), term()) -> ok.
%% @doc route arbitrary term to c2s process(es)
route(To, Term) ->
case catch do_route(To, Term) of
{'EXIT', Reason} ->
?ERROR_MSG("route ~p to ~p failed: ~p",
[Term, To, Reason]);
_ ->
ok
end.
-spec route(jid(), jid(), stanza()) -> ok.
route(From, To, Packet) ->
case catch do_route(From, To, Packet) of
@ -180,9 +184,7 @@ bounce_offline_message(From, To, Packet) ->
-spec disconnect_removed_user(binary(), binary()) -> ok.
disconnect_removed_user(User, Server) ->
ejabberd_sm:route(jid:make(<<"">>, <<"">>, <<"">>),
jid:make(User, Server, <<"">>),
{broadcast, {exit, <<"User removed">>}}).
route(jid:make(User, Server, <<"">>), {exit, <<"User removed">>}).
get_user_resources(User, Server) ->
LUser = jid:nodeprep(User),
@ -214,6 +216,17 @@ get_user_ip(User, Server, Resource) ->
proplists:get_value(ip, Session#session.info)
end.
-spec get_user_info(binary(), binary()) -> [{binary(), info()}].
get_user_info(User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
Mod = get_sm_backend(LServer),
Ss = online(Mod:get_sessions(LUser, LServer)),
[{LResource, [{node, node(Pid)}|Info]}
|| #session{usr = {_, _, LResource},
info = Info,
sid = {_, Pid}} <- clean_session_list(Ss)].
-spec get_user_info(binary(), binary(), binary()) -> info() | offline.
get_user_info(User, Server, Resource) ->
@ -227,9 +240,7 @@ get_user_info(User, Server, Resource) ->
Ss ->
Session = lists:max(Ss),
Node = node(element(2, Session#session.sid)),
Conn = proplists:get_value(conn, Session#session.info),
IP = proplists:get_value(ip, Session#session.info),
[{node, Node}, {conn, Conn}, {ip, IP}]
[{node, Node}|Session#session.info]
end.
-spec set_presence(sid(), binary(), binary(), binary(),
@ -356,6 +367,21 @@ register_iq_handler(Host, XMLNS, Module, Fun, Opts) ->
unregister_iq_handler(Host, XMLNS) ->
ejabberd_sm ! {unregister_iq_handler, Host, XMLNS}.
%% Why the hell do we have so many similar kicks?
c2s_handle_info(#{lang := Lang} = State, replaced) ->
State1 = State#{replaced => true},
Err = xmpp:serr_conflict(<<"Replaced by new connection">>, Lang),
{stop, ejabberd_c2s:send(State1, Err)};
c2s_handle_info(#{lang := Lang} = State, kick) ->
Err = xmpp:serr_policy_violation(<<"has been kicked">>, Lang),
c2s_handle_info(State, {kick, kicked_by_admin, Err});
c2s_handle_info(State, {kick, _Reason, Err}) ->
{stop, ejabberd_c2s:send(State, Err)};
c2s_handle_info(#{lang := Lang} = State, {exit, Reason}) ->
Err = xmpp:serr_conflict(Reason, Lang),
{stop, ejabberd_c2s:send(State, Err)};
c2s_handle_info(State, _) ->
State.
%%====================================================================
%% gen_server callbacks
@ -366,12 +392,15 @@ init([]) ->
ets:new(sm_iqtable, [named_table]),
lists:foreach(
fun(Host) ->
ejabberd_hooks:add(c2s_handle_info, Host,
ejabberd_sm, c2s_handle_info, 50),
ejabberd_hooks:add(roster_in_subscription, Host,
ejabberd_sm, check_in_subscription, 20),
ejabberd_hooks:add(offline_message_hook, Host,
ejabberd_sm, bounce_offline_message, 100),
ejabberd_hooks:add(remove_user, Host,
ejabberd_sm, disconnect_removed_user, 100)
ejabberd_sm, disconnect_removed_user, 100),
ejabberd_c2s:add_hooks(Host)
end, ?MYHOSTS),
ejabberd_commands:register_commands(get_commands_spec()),
{ok, #state{}}.
@ -411,6 +440,17 @@ handle_info({unregister_iq_handler, Host, XMLNS},
handle_info(_Info, State) -> {noreply, State}.
terminate(_Reason, _State) ->
lists:foreach(
fun(Host) ->
ejabberd_hooks:delete(c2s_handle_info, Host,
ejabberd_sm, c2s_handle_info, 50),
ejabberd_hooks:delete(roster_in_subscription, Host,
ejabberd_sm, check_in_subscription, 20),
ejabberd_hooks:delete(offline_message_hook, Host,
ejabberd_sm, bounce_offline_message, 100),
ejabberd_hooks:delete(remove_user, Host,
ejabberd_sm, disconnect_removed_user, 100)
end, ?MYHOSTS),
ejabberd_commands:unregister_commands(get_commands_spec()),
ok.
@ -444,26 +484,27 @@ is_online(#session{info = Info}) ->
not proplists:get_bool(offline, Info).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec do_route(jid(), jid(), stanza() | broadcast()) -> any().
do_route(From, #jid{lresource = <<"">>} = To, {broadcast, _} = Packet) ->
?DEBUG("processing broadcast to bare JID: ~p", [Packet]),
-spec do_route(jid(), term()) -> any().
do_route(#jid{lresource = <<"">>} = To, Term) ->
lists:foreach(
fun(R) ->
do_route(From, jid:replace_resource(To, R), Packet)
do_route(jid:replace_resource(To, R), Term)
end, get_user_resources(To#jid.user, To#jid.server));
do_route(From, To, {broadcast, _} = Packet) ->
?DEBUG("processing broadcast to full JID: ~p", [Packet]),
do_route(To, Term) ->
?DEBUG("broadcasting ~p to ~s", [Term, jid:to_string(To)]),
{U, S, R} = jid:tolower(To),
Mod = get_sm_backend(S),
case online(Mod:get_sessions(U, S, R)) of
[] ->
?DEBUG("dropping broadcast to unavailable resourse: ~p", [Packet]);
?DEBUG("dropping broadcast to unavailable resourse: ~p", [Term]);
Ss ->
Session = lists:max(Ss),
Pid = element(2, Session#session.sid),
?DEBUG("sending to process ~p: ~p", [Pid, Packet]),
Pid ! {route, From, To, Packet}
end;
?DEBUG("sending to process ~p: ~p", [Pid, Term]),
Pid ! Term
end.
-spec do_route(jid(), jid(), stanza()) -> any().
do_route(From, To, #presence{type = T, status = Status} = Packet)
when T == subscribe; T == subscribed; T == unsubscribe; T == unsubscribed ->
?DEBUG("processing subscription:~n~s", [xmpp:pp(Packet)]),
@ -544,24 +585,10 @@ do_route(From, To, Packet) ->
%% or if there are no current sessions for the user.
-spec is_privacy_allow(jid(), jid(), stanza()) -> boolean().
is_privacy_allow(From, To, Packet) ->
User = To#jid.user,
Server = To#jid.server,
PrivacyList =
ejabberd_hooks:run_fold(privacy_get_user_list, Server,
#userlist{}, [User, Server]),
is_privacy_allow(From, To, Packet, PrivacyList).
%% Check if privacy rules allow this delivery
%% Function copied from ejabberd_c2s.erl
-spec is_privacy_allow(jid(), jid(), stanza(), #userlist{}) -> boolean().
is_privacy_allow(From, To, Packet, PrivacyList) ->
User = To#jid.user,
Server = To#jid.server,
allow ==
ejabberd_hooks:run_fold(privacy_check_packet, Server,
allow,
[User, Server, PrivacyList, {From, To, Packet},
in]).
LServer = To#jid.server,
allow == ejabberd_hooks:run_fold(
privacy_check_packet, LServer, allow,
[To, xmpp:set_from_to(Packet, From, To), in]).
-spec route_message(jid(), jid(), message(), message_type()) -> any().
route_message(From, To, Packet, Type) ->
@ -725,10 +752,14 @@ process_iq(From, To, #iq{type = T, lang = Lang, sub_els = [El]} = Packet)
Err = xmpp:err_service_unavailable(Txt, Lang),
ejabberd_router:route_error(To, From, Packet, Err)
end;
process_iq(From, To, #iq{type = T} = Packet) when T == get; T == set ->
Err = xmpp:err_bad_request(),
ejabberd_router:route_error(To, From, Packet, Err),
ok;
process_iq(From, To, #iq{type = T, lang = Lang, sub_els = SubEls} = Packet)
when T == get; T == set ->
Txt = case SubEls of
[] -> <<"No child elements found">>;
_ -> <<"Too many child elements">>
end,
Err = xmpp:err_bad_request(Txt, Lang),
ejabberd_router:route_error(To, From, Packet, Err);
process_iq(_From, _To, #iq{}) ->
ok.
@ -738,17 +769,21 @@ force_update_presence({LUser, LServer}) ->
Mod = get_sm_backend(LServer),
Ss = online(Mod:get_sessions(LUser, LServer)),
lists:foreach(fun (#session{sid = {_, Pid}}) ->
Pid ! {force_update_presence, LUser, LServer}
Pid ! force_update_presence
end,
Ss).
-spec get_sm_backend(binary()) -> module().
get_sm_backend(Host) ->
DBType = ejabberd_config:get_option(
DBType = case ejabberd_config:get_option(
{sm_db_type, Host},
fun(T) -> ejabberd_config:v_db(?MODULE, T) end,
mnesia),
fun(T) -> ejabberd_config:v_db(?MODULE, T) end) of
undefined ->
ejabberd_config:default_ram_db(Host, ?MODULE);
T ->
T
end,
list_to_atom("ejabberd_sm_" ++ atom_to_list(DBType)).
-spec get_sm_backends() -> [module()].

166
src/ejabberd_socket.erl
View File

@ -33,10 +33,12 @@
connect/4,
connect/5,
starttls/2,
starttls/3,
compress/1,
compress/2,
reset_stream/1,
send_element/2,
send_header/2,
send_trailer/1,
send/2,
send_xml/2,
change_shaper/2,
@ -46,9 +48,11 @@
get_peer_certificate/1,
get_verify_result/1,
close/1,
pp/1,
sockname/1, peername/1]).
-include("ejabberd.hrl").
-include("xmpp.hrl").
-include("logger.hrl").
-type sockmod() :: ejabberd_bosh |
@ -68,60 +72,68 @@
-export_type([socket/0, socket_state/0, sockmod/0]).
-callback start({module(), socket_state()},
[proplists:property()]) -> {ok, pid()} | {error, term()} | ignore.
-callback start_link({module(), socket_state()},
[proplists:property()]) -> {ok, pid()} | {error, term()} | ignore.
-callback socket_type() -> xml_stream | independent | raw.
-define(is_http_socket(S),
(S#socket_state.sockmod == ejabberd_bosh orelse
S#socket_state.sockmod == ejabberd_http_ws)).
%%====================================================================
%% API
%%====================================================================
-spec start(atom(), sockmod(), socket(), [{atom(), any()}]) -> any().
-spec start(atom(), sockmod(), socket(), [proplists:propery()])
-> {ok, pid() | independent} | {error, inet:posix() | any()}.
start(Module, SockMod, Socket, Opts) ->
case Module:socket_type() of
independent -> {ok, independent};
xml_stream ->
MaxStanzaSize = case lists:keysearch(max_stanza_size, 1,
Opts)
of
{value, {_, Size}} -> Size;
_ -> infinity
end,
{ReceiverMod, Receiver, RecRef} = case catch
SockMod:custom_receiver(Socket)
of
MaxStanzaSize = proplists:get_value(max_stanza_size, Opts, infinity),
{ReceiverMod, Receiver, RecRef} =
try SockMod:custom_receiver(Socket) of
{receiver, RecMod, RecPid} ->
{RecMod, RecPid, RecMod};
_ ->
RecPid =
ejabberd_receiver:start(Socket,
SockMod,
none,
MaxStanzaSize),
{ejabberd_receiver, RecPid,
RecPid}
{RecMod, RecPid, RecMod}
catch _:_ ->
RecPid = ejabberd_receiver:start(
Socket, SockMod, none, MaxStanzaSize),
{ejabberd_receiver, RecPid, RecPid}
end,
SocketData = #socket_state{sockmod = SockMod,
socket = Socket, receiver = RecRef},
case Module:start({?MODULE, SocketData}, Opts) of
{ok, Pid} ->
case SockMod:controlling_process(Socket, Receiver) of
ok -> ok;
{error, _Reason} -> SockMod:close(Socket)
end,
ReceiverMod:become_controller(Receiver, Pid);
{error, _Reason} ->
ok ->
ReceiverMod:become_controller(Receiver, Pid),
{ok, Receiver};
Err ->
SockMod:close(Socket),
Err
end;
Err ->
SockMod:close(Socket),
case ReceiverMod of
ejabberd_receiver -> ReceiverMod:close(Receiver);
_ -> ok
end
end,
Err
end;
independent -> ok;
raw ->
case Module:start({SockMod, Socket}, Opts) of
{ok, Pid} ->
case SockMod:controlling_process(Socket, Pid) of
ok -> ok;
{error, _Reason} -> SockMod:close(Socket)
ok ->
{ok, Pid};
{error, _} = Err ->
SockMod:close(Socket),
Err
end;
{error, _Reason} -> SockMod:close(Socket)
Err ->
SockMod:close(Socket),
Err
end
end.
@ -147,25 +159,31 @@ connect(Addr, Port, Opts, Timeout, Owner) ->
{error, _Reason} = Error -> Error
end.
starttls(SocketData, TLSOpts) ->
{ok, TLSSocket} = fast_tls:tcp_to_tls(SocketData#socket_state.socket, TLSOpts),
ejabberd_receiver:starttls(SocketData#socket_state.receiver, TLSSocket),
SocketData#socket_state{socket = TLSSocket, sockmod = fast_tls}.
starttls(SocketData, TLSOpts, Data) ->
{ok, TLSSocket} = fast_tls:tcp_to_tls(SocketData#socket_state.socket, TLSOpts),
ejabberd_receiver:starttls(SocketData#socket_state.receiver, TLSSocket),
send(SocketData, Data),
SocketData#socket_state{socket = TLSSocket, sockmod = fast_tls}.
starttls(#socket_state{socket = Socket,
receiver = Receiver} = SocketData, TLSOpts) ->
case fast_tls:tcp_to_tls(Socket, TLSOpts) of
{ok, TLSSocket} ->
case ejabberd_receiver:starttls(Receiver, TLSSocket) of
ok ->
{ok, SocketData#socket_state{socket = TLSSocket,
sockmod = fast_tls}};
{error, _} = Err ->
Err
end;
{error, _} = Err ->
Err
end.
compress(SocketData) -> compress(SocketData, undefined).
compress(SocketData, Data) ->
{ok, ZlibSocket} =
ejabberd_receiver:compress(SocketData#socket_state.receiver,
Data),
SocketData#socket_state{socket = ZlibSocket,
sockmod = ezlib}.
case ejabberd_receiver:compress(SocketData#socket_state.receiver, Data) of
{ok, ZlibSocket} ->
{ok, SocketData#socket_state{socket = ZlibSocket, sockmod = ezlib}};
Err ->
?ERROR_MSG("compress failed: ~p", [Err]),
Err
end.
reset_stream(SocketData)
when is_pid(SocketData#socket_state.receiver) ->
@ -174,29 +192,41 @@ reset_stream(SocketData)
when is_atom(SocketData#socket_state.receiver) ->
(SocketData#socket_state.receiver):reset_stream(SocketData#socket_state.socket).
-spec send(socket_state(), iodata()) -> ok.
-spec send_element(socket_state(), fxml:xmlel()) -> ok | {error, inet:posix()}.
send_element(SocketData, El) when ?is_http_socket(SocketData) ->
send_xml(SocketData, {xmlstreamelement, El});
send_element(SocketData, El) ->
send(SocketData, fxml:element_to_binary(El)).
send(SocketData, Data) ->
case catch (SocketData#socket_state.sockmod):send(
SocketData#socket_state.socket, Data) of
ok -> ok;
{error, timeout} ->
?INFO_MSG("Timeout on ~p:send",[SocketData#socket_state.sockmod]),
exit(normal);
Error ->
?DEBUG("Error in ~p:send: ~p",[SocketData#socket_state.sockmod, Error]),
exit(normal)
-spec send_header(socket_state(), fxml:xmlel()) -> ok | {error, inet:posix()}.
send_header(SocketData, El) when ?is_http_socket(SocketData) ->
send_xml(SocketData, {xmlstreamstart, El#xmlel.name, El#xmlel.attrs});
send_header(SocketData, El) ->
send(SocketData, fxml:element_to_header(El)).
-spec send_trailer(socket_state()) -> ok | {error, inet:posix()}.
send_trailer(SocketData) when ?is_http_socket(SocketData) ->
send_xml(SocketData, {xmlstreamend, <<"stream:stream">>});
send_trailer(SocketData) ->
send(SocketData, <<"</stream:stream>">>).
-spec send(socket_state(), iodata()) -> ok | {error, inet:posix()}.
send(#socket_state{sockmod = SockMod, socket = Socket} = SocketData, Data) ->
?DEBUG("(~s) Send XML on stream = ~p", [pp(SocketData), Data]),
try SockMod:send(Socket, Data)
catch _:badarg ->
%% Some modules throw badarg exceptions on closed sockets
%% TODO: their code should be improved
{error, einval}
end.
%% Can only be called when in c2s StateData#state.xml_socket is true
%% This function is used for HTTP bind
%% sockmod=ejabberd_http_ws|ejabberd_http_bind or any custom module
-spec send_xml(socket_state(), fxml:xmlel()) -> any().
send_xml(SocketData, Data) ->
catch
(SocketData#socket_state.sockmod):send_xml(SocketData#socket_state.socket,
Data).
-spec send_xml(socket_state(),
{xmlstreamelement, fxml:xmlel()} |
{xmlstreamstart, binary(), [{binary(), binary()}]} |
{xmlstreamend, binary()} |
{xmlstreamraw, iodata()}) -> term().
send_xml(SocketData, El) ->
(SocketData#socket_state.sockmod):send_xml(SocketData#socket_state.socket, El).
change_shaper(SocketData, Shaper)
when is_pid(SocketData#socket_state.receiver) ->
@ -254,3 +284,7 @@ peername(#socket_state{sockmod = SockMod,
gen_tcp -> inet:peername(Socket);
_ -> SockMod:peername(Socket)
end.
pp(#socket_state{receiver = Receiver} = State) ->
Transport = get_transport(State),
io_lib:format("~s|~w", [Transport, Receiver]).

41
src/ejabberd_sup.erl
View File

@ -41,13 +41,6 @@ init([]) ->
brutal_kill,
worker,
[ejabberd_hooks]},
NodeGroups =
{ejabberd_node_groups,
{ejabberd_node_groups, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_node_groups]},
SystemMonitor =
{ejabberd_system_monitor,
{ejabberd_system_monitor, start_link, []},
@ -55,20 +48,6 @@ init([]) ->
brutal_kill,
worker,
[ejabberd_system_monitor]},
Router =
{ejabberd_router,
{ejabberd_router, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_router]},
Router_multicast =
{ejabberd_router_multicast,
{ejabberd_router_multicast, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_router_multicast]},
S2S =
{ejabberd_s2s,
{ejabberd_s2s, start_link, []},
@ -76,13 +55,6 @@ init([]) ->
brutal_kill,
worker,
[ejabberd_s2s]},
Local =
{ejabberd_local,
{ejabberd_local, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_local]},
Captcha =
{ejabberd_captcha,
{ejabberd_captcha, start_link, []},
@ -121,14 +93,6 @@ init([]) ->
infinity,
supervisor,
[ejabberd_tmp_sup]},
FrontendSocketSupervisor =
{ejabberd_frontend_socket_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_frontend_socket_sup, ejabberd_frontend_socket]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
IQSupervisor =
{ejabberd_iq_sup,
{ejabberd_tmp_sup, start_link,
@ -139,16 +103,11 @@ init([]) ->
[ejabberd_tmp_sup]},
{ok, {{one_for_one, 10, 1},
[Hooks,
NodeGroups,
SystemMonitor,
Router,
Router_multicast,
S2S,
Local,
Captcha,
S2SInSupervisor,
S2SOutSupervisor,
ServiceSupervisor,
IQSupervisor,
FrontendSocketSupervisor,
Listener]}}.

2
src/ejabberd_web_admin.erl
View File

@ -192,7 +192,7 @@ process([<<"server">>, SHost | RPath] = Path,
method = Method} =
Request) ->
Host = jid:nameprep(SHost),
case lists:member(Host, ?MYHOSTS) of
case ejabberd_router:is_my_host(Host) of
true ->
case get_auth_admin(Auth, HostHTTP, Path, Method) of
{ok, {User, Server}} ->

45
src/gen_mod.erl
View File

@ -31,12 +31,13 @@
-export([start/0, start_module/2, start_module/3,
stop_module/2, stop_module_keep_config/2, get_opt/3,
get_opt/4, get_opt_host/3, db_type/2, db_type/3,
get_opt/4, get_opt_host/3, opt_type/1,
get_module_opt/4, get_module_opt/5, get_module_opt_host/3,
loaded_modules/1, loaded_modules_with_opts/1,
get_hosts/2, get_module_proc/2, is_loaded/2,
start_modules/0, start_modules/1, stop_modules/0, stop_modules/1,
opt_type/1, db_mod/2, db_mod/3]).
db_mod/2, db_mod/3, ram_db_mod/2, ram_db_mod/3,
db_type/2, db_type/3, ram_db_type/2, ram_db_type/3]).
%%-export([behaviour_info/1]).
@ -424,6 +425,43 @@ db_mod(Host, Module) when is_binary(Host) orelse Host == global ->
db_mod(Host, Opts, Module) when is_list(Opts) ->
db_mod(db_type(Host, Opts, Module), Module).
-spec ram_db_type(binary() | global, module()) -> db_type();
(opts(), module()) -> db_type().
ram_db_type(Opts, Module) when is_list(Opts) ->
ram_db_type(global, Opts, Module);
ram_db_type(Host, Module) when is_atom(Module) ->
case catch Module:mod_opt_type(ram_db_type) of
F when is_function(F) ->
case get_module_opt(Host, Module, ram_db_type, F) of
undefined -> ejabberd_config:default_ram_db(Host, Module);
Type -> Type
end;
_ ->
undefined
end.
-spec ram_db_type(binary(), opts(), module()) -> db_type().
ram_db_type(Host, Opts, Module) ->
case catch Module:mod_opt_type(ram_db_type) of
F when is_function(F) ->
case get_opt(ram_db_type, Opts, F) of
undefined -> ejabberd_config:default_ram_db(Host, Module);
Type -> Type
end;
_ ->
undefined
end.
-spec ram_db_mod(binary() | global | db_type(), module()) -> module().
ram_db_mod(Type, Module) when is_atom(Type), Type /= global ->
list_to_atom(atom_to_list(Module) ++ "_" ++ atom_to_list(Type));
ram_db_mod(Host, Module) when is_binary(Host) orelse Host == global ->
ram_db_mod(ram_db_type(Host, Module), Module).
-spec ram_db_mod(binary() | global, opts(), module()) -> module().
ram_db_mod(Host, Opts, Module) when is_list(Opts) ->
ram_db_mod(ram_db_type(Host, Opts, Module), Module).
-spec loaded_modules(binary()) -> [atom()].
loaded_modules(Host) ->
@ -470,6 +508,5 @@ get_module_proc(Host, Base) ->
is_loaded(Host, Module) ->
ets:member(ejabberd_modules, {Module, Host}).
opt_type(default_db) -> fun(T) when is_atom(T) -> T end;
opt_type(modules) -> fun (L) when is_list(L) -> L end;
opt_type(_) -> [default_db, modules].
opt_type(_) -> [modules].

34
src/jlib.erl
View File

@ -38,8 +38,8 @@
-export([tolower/1, term_to_base64/1, base64_to_term/1,
decode_base64/1, encode_base64/1, ip_to_list/1,
atom_to_binary/1, binary_to_atom/1, tuple_to_binary/1,
l2i/1, i2l/1, i2l/2, queue_drop_while/2,
expr_to_term/1, term_to_expr/1]).
l2i/1, i2l/1, i2l/2, expr_to_term/1, term_to_expr/1,
queue_drop_while/2, queue_foldl/3, queue_foldr/3, queue_foreach/2]).
%% The following functions are used by gen_iq_handler.erl for providing backward
%% compatibility and must not be used in other parts of the code
@ -974,3 +974,33 @@ queue_drop_while(F, Q) ->
empty ->
Q
end.
-spec queue_foldl(fun((term(), T) -> T), T, ?TQUEUE) -> T.
queue_foldl(F, Acc, Q) ->
case queue:out(Q) of
{{value, Item}, Q1} ->
Acc1 = F(Item, Acc),
queue_foldl(F, Acc1, Q1);
{empty, _} ->
Acc
end.
-spec queue_foldr(fun((term(), T) -> T), T, ?TQUEUE) -> T.
queue_foldr(F, Acc, Q) ->
case queue:out_r(Q) of
{{value, Item}, Q1} ->
Acc1 = F(Item, Acc),
queue_foldr(F, Acc1, Q1);
{empty, _} ->
Acc
end.
-spec queue_foreach(fun((_) -> _), ?TQUEUE) -> ok.
queue_foreach(F, Q) ->
case queue:out(Q) of
{{value, Item}, Q1} ->
F(Item),
queue_foreach(F, Q1);
{empty, _} ->
ok
end.

26
src/mod_admin_extra.erl
View File

@ -913,9 +913,8 @@ kick_session(User, Server, Resource, ReasonText) ->
ok.
kick_this_session(User, Server, Resource, Reason) ->
ejabberd_sm:route(jid:make(<<"">>, <<"">>, <<"">>),
jid:make(User, Server, Resource),
{broadcast, {exit, Reason}}).
ejabberd_sm:route(jid:make(User, Server, Resource),
{exit, Reason}).
status_num(Host, Status) ->
length(get_status_list(Host, Status)).
@ -943,7 +942,7 @@ get_status_list(Host, Status_required) ->
end,
Sessions3 = [ {Pid, Server, Priority} || {{_User, Server, _Resource}, {_, Pid}, Priority} <- Sessions2, apply(Fhost, [Server, Host])],
%% For each Pid, get its presence
Sessions4 = [ {catch ejabberd_c2s:get_presence(Pid), Server, Priority} || {Pid, Server, Priority} <- Sessions3],
Sessions4 = [ {catch get_presence(Pid), Server, Priority} || {Pid, Server, Priority} <- Sessions3],
%% Filter by status
Fstatus = case Status_required of
<<"all">> ->
@ -996,6 +995,16 @@ stringize(String) ->
%% Replace newline characters with other code
ejabberd_regexp:greplace(String, <<"\n">>, <<"\\n">>).
get_presence(Pid) ->
Pres = #presence{from = From} = ejabberd_c2s:get_presence(Pid),
Show = case Pres of
#presence{type = unavailable} -> <<"unavailable">>;
#presence{show = undefined} -> <<"available">>;
#presence{show = S} -> atom_to_binary(S, utf8)
end,
Status = xmpp:get_text(Pres#presence.status),
{From#jid.user, From#jid.resource, Show, Status}.
get_presence(U, S) ->
Pids = [ejabberd_sm:get_session_pid(U, S, R)
|| R <- ejabberd_sm:get_user_resources(U, S)],
@ -1004,8 +1013,7 @@ get_presence(U, S) ->
[] ->
{jid:to_string({U, S, <<>>}), <<"unavailable">>, <<"">>};
[SessionPid|_] ->
{_User, Resource, Show, Status} =
ejabberd_c2s:get_presence(SessionPid),
{_User, Resource, Show, Status} = get_presence(SessionPid),
FullJID = jid:to_string({U, S, Resource}),
{FullJID, Show, Status}
end.
@ -1048,7 +1056,7 @@ user_sessions_info(User, Host) ->
fun(Session) ->
{_U, _S, Resource} = Session#session.usr,
{Now, Pid} = Session#session.sid,
{_U, _Resource, Status, StatusText} = ejabberd_c2s:get_presence(Pid),
{_U, _Resource, Status, StatusText} = get_presence(Pid),
Info = Session#session.info,
Priority = Session#session.priority,
Conn = proplists:get_value(conn, Info),
@ -1301,7 +1309,7 @@ push_roster_item(LU, LS, U, S, Action) ->
push_roster_item(LU, LS, R, U, S, Action) ->
LJID = jid:make(LU, LS, R),
BroadcastEl = build_broadcast(U, S, Action),
ejabberd_sm:route(LJID, LJID, BroadcastEl),
ejabberd_sm:route(LJID, BroadcastEl),
Item = build_roster_item(U, S, Action),
ResIQ = build_iq_roster_push(Item),
ejabberd_router:route(jid:remove_resource(LJID), LJID, ResIQ).
@ -1326,7 +1334,7 @@ build_broadcast(U, S, remove) ->
%% @spec (U::binary(), S::binary(), Subs::atom()) -> any()
%% Subs = both | from | to | none
build_broadcast(U, S, SubsAtom) when is_atom(SubsAtom) ->
{broadcast, {item, {U, S, <<>>}, SubsAtom}}.
{item, {U, S, <<>>}, SubsAtom}.
%%%
%%% Last Activity

20
src/mod_announce.erl
View File

@ -68,7 +68,7 @@ start(Host, Opts) ->
ejabberd_hooks:add(disco_local_items, Host, ?MODULE, disco_items, 50),
ejabberd_hooks:add(adhoc_local_items, Host, ?MODULE, announce_items, 50),
ejabberd_hooks:add(adhoc_local_commands, Host, ?MODULE, announce_commands, 50),
ejabberd_hooks:add(user_available_hook, Host,
ejabberd_hooks:add(c2s_self_presence, Host,
?MODULE, send_motd, 50),
register(gen_mod:get_module_proc(Host, ?PROCNAME),
proc_lib:spawn(?MODULE, init, [])).
@ -123,7 +123,7 @@ stop(Host) ->
ejabberd_hooks:delete(disco_local_items, Host, ?MODULE, disco_items, 50),
ejabberd_hooks:delete(local_send_to_resource_hook, Host,
?MODULE, announce, 50),
ejabberd_hooks:delete(user_available_hook, Host,
ejabberd_hooks:delete(c2s_self_presence, Host,
?MODULE, send_motd, 50),
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
exit(whereis(Proc), stop),
@ -733,8 +733,13 @@ announce_motd_delete(LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:delete_motd(LServer).
-spec send_motd(jid()) -> ok | {atomic, any()}.
send_motd(#jid{luser = LUser, lserver = LServer} = JID) when LUser /= <<>> ->
-spec send_motd({presence(), ejabberd_c2s:state()}) -> {presence(), ejabberd_c2s:state()}.
send_motd({_, #{pres_last := _}} = Acc) ->
%% This is just a presence update, nothing to do
Acc;
send_motd({#presence{type = available},
#{jid := #jid{luser = LUser, lserver = LServer} = JID}} = Acc)
when LUser /= <<>> ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:get_motd(LServer) of
{ok, Packet} ->
@ -754,9 +759,10 @@ send_motd(#jid{luser = LUser, lserver = LServer} = JID) when LUser /= <<>> ->
end;
error ->
ok
end;
send_motd(_) ->
ok.
end,
Acc;
send_motd(Acc) ->
Acc.
get_stored_motd(LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),

107
src/mod_block_strangers.erl Normal file
View File

@ -0,0 +1,107 @@
%%%-------------------------------------------------------------------
%%% File : mod_block_strangers.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Block packets from non-subscribers
%%% Created : 25 Dec 2016 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(mod_block_strangers).
-author('alexey@process-one.net').
-behaviour(gen_mod).
%% API
-export([start/2, stop/1,
depends/2, mod_opt_type/1]).
-export([filter_packet/1]).
-include("xmpp.hrl").
-include("ejabberd.hrl").
-include("logger.hrl").
-define(SETS, gb_sets).
start(Host, _Opts) ->
ejabberd_hooks:add(user_receive_packet, Host,
?MODULE, filter_packet, 25),
ok.
stop(Host) ->
ejabberd_hooks:delete(user_receive_packet, Host,
?MODULE, filter_packet, 25),
ok.
filter_packet({#message{} = Msg, State} = Acc) ->
From = xmpp:get_from(Msg),
LFrom = jid:tolower(From),
LBFrom = jid:remove_resource(LFrom),
#{pres_a := PresA} = State,
case Msg#message.body == []
orelse ejabberd_router:is_my_route(From#jid.lserver)
orelse (?SETS):is_element(LFrom, PresA)
orelse (?SETS):is_element(LBFrom, PresA)
orelse sets_bare_member(LBFrom, PresA) of
true ->
Acc;
false ->
#{lserver := LServer} = State,
Drop =
gen_mod:get_module_opt(LServer, ?MODULE, drop,
fun(B) when is_boolean(B) -> B end,
true),
Log =
gen_mod:get_module_opt(LServer, ?MODULE, log,
fun(B) when is_boolean(B) -> B end,
false),
if
Log ->
?INFO_MSG("Drop packet: ~s",
[fxml:element_to_binary(
xmpp:encode(Msg, ?NS_CLIENT))]);
true ->
ok
end,
if
Drop ->
{stop, {drop, State}};
true ->
Acc
end
end;
filter_packet(Acc) ->
Acc.
sets_bare_member({U, S, <<"">>} = LBJID, Set) ->
case ?SETS:next(?SETS:iterator_from(LBJID, Set)) of
{{U, S, _}, _} -> true;
_ -> false
end.
depends(_Host, _Opts) ->
[].
mod_opt_type(drop) ->
fun (B) when is_boolean(B) -> B end;
mod_opt_type(log) ->
fun (B) when is_boolean(B) -> B end;
mod_opt_type(_) -> [drop, log].

205
src/mod_blocking.erl
View File

@ -29,8 +29,8 @@
-protocol({xep, 191, '1.2'}).
-export([start/2, stop/1, process_iq/1,
process_iq_set/3, process_iq_get/3, mod_opt_type/1, depends/2]).
-export([start/2, stop/1, process_iq/1, mod_opt_type/1, depends/2,
disco_features/5]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -48,72 +48,72 @@
start(Host, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
one_queue),
ejabberd_hooks:add(privacy_iq_get, Host, ?MODULE,
process_iq_get, 40),
ejabberd_hooks:add(privacy_iq_set, Host, ?MODULE,
process_iq_set, 40),
mod_disco:register_feature(Host, ?NS_BLOCKING),
ejabberd_hooks:add(disco_local_features, Host, ?MODULE, disco_features, 50),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_BLOCKING, ?MODULE, process_iq, IQDisc).
stop(Host) ->
ejabberd_hooks:delete(privacy_iq_get, Host, ?MODULE,
process_iq_get, 40),
ejabberd_hooks:delete(privacy_iq_set, Host, ?MODULE,
process_iq_set, 40),
mod_disco:unregister_feature(Host, ?NS_BLOCKING),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_BLOCKING).
ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, disco_features, 50),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_BLOCKING).
depends(_Host, _Opts) ->
[{mod_privacy, hard}].
-spec disco_features({error, stanza_error()} | {result, [binary()]} | empty,
jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [binary()]}.
disco_features({error, Err}, _From, _To, _Node, _Lang) ->
{error, Err};
disco_features(empty, _From, _To, <<"">>, _Lang) ->
{result, [?NS_BLOCKING]};
disco_features({result, Feats}, _From, _To, <<"">>, _Lang) ->
{result, [?NS_BLOCKING|Feats]};
disco_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec process_iq(iq()) -> iq().
process_iq(IQ) ->
xmpp:make_error(IQ, xmpp:err_not_allowed()).
process_iq(#iq{type = Type,
from = #jid{luser = U, lserver = S},
to = #jid{luser = U, lserver = S}} = IQ) ->
case Type of
get -> process_iq_get(IQ);
set -> process_iq_set(IQ)
end;
process_iq(#iq{lang = Lang} = IQ) ->
Txt = <<"Query to another users is forbidden">>,
xmpp:make_error(IQ, xmpp:err_forbidden(Txt, Lang)).
-spec process_iq_get({error, stanza_error()} | {result, xmpp_element() | undefined},
iq(), userlist()) ->
{error, stanza_error()} |
{result, xmpp_element() | undefined}.
process_iq_get(_, #iq{lang = Lang, from = From,
sub_els = [#block_list{}]}, _) ->
#jid{luser = LUser, lserver = LServer} = From,
process_blocklist_get(LUser, LServer, Lang);
process_iq_get(Acc, _, _) -> Acc.
-spec process_iq_get(iq()) -> iq().
process_iq_get(#iq{sub_els = [#block_list{}]} = IQ) ->
process_get(IQ);
process_iq_get(#iq{lang = Lang} = IQ) ->
Txt = <<"No module is handling this query">>,
xmpp:make_error(IQ, xmpp:err_service_unavailable(Txt, Lang)).
-spec process_iq_set({error, stanza_error()} |
{result, xmpp_element() | undefined} |
{result, xmpp_element() | undefined, userlist()},
iq(), userlist()) ->
{error, stanza_error()} |
{result, xmpp_element() | undefined} |
{result, xmpp_element() | undefined, userlist()}.
process_iq_set(Acc, #iq{from = From, lang = Lang, sub_els = [SubEl]}, _) ->
#jid{luser = LUser, lserver = LServer} = From,
-spec process_iq_set(iq()) -> iq().
process_iq_set(#iq{lang = Lang, sub_els = [SubEl]} = IQ) ->
case SubEl of
#block{items = []} ->
Txt = <<"No items found in this query">>,
{error, xmpp:err_bad_request(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_bad_request(Txt, Lang));
#block{items = Items} ->
JIDs = [jid:tolower(Item) || Item <- Items],
process_blocklist_block(LUser, LServer, JIDs, Lang);
process_block(IQ, JIDs);
#unblock{items = []} ->
process_blocklist_unblock_all(LUser, LServer, Lang);
process_unblock_all(IQ);
#unblock{items = Items} ->
JIDs = [jid:tolower(Item) || Item <- Items],
process_blocklist_unblock(LUser, LServer, JIDs, Lang);
process_unblock(IQ, JIDs);
_ ->
Acc
end;
process_iq_set(Acc, _, _) -> Acc.
Txt = <<"No module is handling this query">>,
xmpp:make_error(IQ, xmpp:err_service_unavailable(Txt, Lang))
end.
-spec list_to_blocklist_jids([listitem()], [ljid()]) -> [ljid()].
list_to_blocklist_jids([], JIDs) -> JIDs;
list_to_blocklist_jids([#listitem{type = jid,
action = deny, value = JID} =
Item
| Items],
-spec listitems_to_jids([listitem()], [ljid()]) -> [ljid()].
listitems_to_jids([], JIDs) ->
JIDs;
listitems_to_jids([#listitem{type = jid,
action = deny, value = JID} = Item | Items],
JIDs) ->
Match = case Item of
#listitem{match_all = true} ->
@ -126,20 +126,18 @@ list_to_blocklist_jids([#listitem{type = jid,
_ ->
false
end,
if Match -> list_to_blocklist_jids(Items, [JID | JIDs]);
true -> list_to_blocklist_jids(Items, JIDs)
if Match -> listitems_to_jids(Items, [JID | JIDs]);
true -> listitems_to_jids(Items, JIDs)
end;
% Skip Privacy List items than cannot be mapped to Blocking items
list_to_blocklist_jids([_ | Items], JIDs) ->
list_to_blocklist_jids(Items, JIDs).
listitems_to_jids([_ | Items], JIDs) ->
listitems_to_jids(Items, JIDs).
-spec process_blocklist_block(binary(), binary(), [ljid()],
binary()) ->
{error, stanza_error()} |
{result, undefined, userlist()}.
process_blocklist_block(LUser, LServer, JIDs, Lang) ->
-spec process_block(iq(), [ljid()]) -> iq().
process_block(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ, JIDs) ->
Filter = fun (List) ->
AlreadyBlocked = list_to_blocklist_jids(List, []),
AlreadyBlocked = listitems_to_jids(List, []),
lists:foldr(fun (JID, List1) ->
case lists:member(JID, AlreadyBlocked)
of
@ -159,21 +157,19 @@ process_blocklist_block(LUser, LServer, JIDs, Lang) ->
case Mod:process_blocklist_block(LUser, LServer, Filter) of
{atomic, {ok, Default, List}} ->
UserList = make_userlist(Default, List),
broadcast_list_update(LUser, LServer, Default,
UserList),
broadcast_blocklist_event(LUser, LServer,
{block, [jid:make(J) || J <- JIDs]}),
{result, undefined, UserList};
broadcast_list_update(LUser, LServer, UserList, Default),
broadcast_event(LUser, LServer,
#block{items = [jid:make(J) || J <- JIDs]}),
xmpp:make_iq_result(IQ);
_Err ->
?ERROR_MSG("Error processing ~p: ~p", [{LUser, LServer, JIDs}, _Err]),
{error, xmpp:err_internal_server_error(<<"Database failure">>, Lang)}
Err = xmpp:err_internal_server_error(<<"Database failure">>, Lang),
xmpp:make_error(IQ, Err)
end.
-spec process_blocklist_unblock_all(binary(), binary(), binary()) ->
{error, stanza_error()} |
{result, undefined} |
{result, undefined, userlist()}.
process_blocklist_unblock_all(LUser, LServer, Lang) ->
-spec process_unblock_all(iq()) -> iq().
process_unblock_all(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ) ->
Filter = fun (List) ->
lists:filter(fun (#listitem{action = A}) -> A =/= deny
end,
@ -181,23 +177,22 @@ process_blocklist_unblock_all(LUser, LServer, Lang) ->
end,
Mod = db_mod(LServer),
case Mod:unblock_by_filter(LUser, LServer, Filter) of
{atomic, ok} -> {result, undefined};
{atomic, ok} ->
xmpp:make_iq_result(IQ);
{atomic, {ok, Default, List}} ->
UserList = make_userlist(Default, List),
broadcast_list_update(LUser, LServer, Default,
UserList),
broadcast_blocklist_event(LUser, LServer, unblock_all),
{result, undefined, UserList};
broadcast_list_update(LUser, LServer, UserList, Default),
broadcast_event(LUser, LServer, #unblock{}),
xmpp:make_iq_result(IQ);
_Err ->
?ERROR_MSG("Error processing ~p: ~p", [{LUser, LServer}, _Err]),
{error, xmpp:err_internal_server_error(<<"Database failure">>, Lang)}
Err = xmpp:err_internal_server_error(<<"Database failure">>, Lang),
xmpp:make_error(IQ, Err)
end.
-spec process_blocklist_unblock(binary(), binary(), [ljid()], binary()) ->
{error, stanza_error()} |
{result, undefined} |
{result, undefined, userlist()}.
process_blocklist_unblock(LUser, LServer, JIDs, Lang) ->
-spec process_unblock(iq(), [ljid()]) -> iq().
process_unblock(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ, JIDs) ->
Filter = fun (List) ->
lists:filter(fun (#listitem{action = deny, type = jid,
value = JID}) ->
@ -208,17 +203,18 @@ process_blocklist_unblock(LUser, LServer, JIDs, Lang) ->
end,
Mod = db_mod(LServer),
case Mod:unblock_by_filter(LUser, LServer, Filter) of
{atomic, ok} -> {result, undefined};
{atomic, ok} ->
xmpp:make_iq_result(IQ);
{atomic, {ok, Default, List}} ->
UserList = make_userlist(Default, List),
broadcast_list_update(LUser, LServer, Default,
UserList),
broadcast_blocklist_event(LUser, LServer,
{unblock, [jid:make(J) || J <- JIDs]}),
{result, undefined, UserList};
broadcast_list_update(LUser, LServer, UserList, Default),
broadcast_event(LUser, LServer,
#unblock{items = [jid:make(J) || J <- JIDs]}),
xmpp:make_iq_result(IQ);
_Err ->
?ERROR_MSG("Error processing ~p: ~p", [{LUser, LServer, JIDs}, _Err]),
{error, xmpp:err_internal_server_error(<<"Database failure">>, Lang)}
Err = xmpp:err_internal_server_error(<<"Database failure">>, Lang),
xmpp:make_error(IQ, Err)
end.
-spec make_userlist(binary(), [listitem()]) -> userlist().
@ -226,29 +222,34 @@ make_userlist(Name, List) ->
NeedDb = mod_privacy:is_list_needdb(List),
#userlist{name = Name, list = List, needdb = NeedDb}.
-spec broadcast_list_update(binary(), binary(), binary(), userlist()) -> ok.
broadcast_list_update(LUser, LServer, Name, UserList) ->
ejabberd_sm:route(jid:make(LUser, LServer, <<"">>),
jid:make(LUser, LServer, <<"">>),
{broadcast, {privacy_list, UserList, Name}}).
-spec broadcast_list_update(binary(), binary(), userlist(), binary()) -> ok.
broadcast_list_update(LUser, LServer, UserList, Name) ->
mod_privacy:push_list_update(jid:make(LUser, LServer), UserList, Name).
-spec broadcast_blocklist_event(binary(), binary(), block_event()) -> ok.
broadcast_blocklist_event(LUser, LServer, Event) ->
JID = jid:make(LUser, LServer, <<"">>),
ejabberd_sm:route(JID, JID,
{broadcast, {blocking, Event}}).
-spec broadcast_event(binary(), binary(), block_event()) -> ok.
broadcast_event(LUser, LServer, Event) ->
From = jid:make(LUser, LServer),
lists:foreach(
fun(R) ->
To = jid:replace_resource(From, R),
IQ = #iq{type = set, from = From, to = To,
id = <<"push", (randoms:get_string())/binary>>,
sub_els = [Event]},
ejabberd_router:route(From, To, IQ)
end, ejabberd_sm:get_user_resources(LUser, LServer)).
-spec process_blocklist_get(binary(), binary(), binary()) ->
{error, stanza_error()} | {result, block_list()}.
process_blocklist_get(LUser, LServer, Lang) ->
-spec process_get(iq()) -> iq().
process_get(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ) ->
Mod = db_mod(LServer),
case Mod:process_blocklist_get(LUser, LServer) of
error ->
{error, xmpp:err_internal_server_error(<<"Database failure">>, Lang)};
Err = xmpp:err_internal_server_error(<<"Database failure">>, Lang),
xmpp:make_error(IQ, Err);
List ->
LJIDs = list_to_blocklist_jids(List, []),
LJIDs = listitems_to_jids(List, []),
Items = [jid:make(J) || J <- LJIDs],
{result, #block_list{items = Items}}
xmpp:make_iq_result(IQ, #block_list{items = Items})
end.
-spec db_mod(binary()) -> module().

143
src/mod_bosh.erl
View File

@ -30,31 +30,25 @@
%%-define(ejabberd_debug, true).
-behaviour(gen_server).
-behaviour(gen_mod).
-export([start_link/0]).
-export([start/2, stop/1, process/2, open_session/2,
close_session/1, find_session/1]).
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3,
depends/2, mod_opt_type/1]).
-export([depends/2, mod_opt_type/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include_lib("stdlib/include/ms_transform.hrl").
-include("jlib.hrl").
-include("ejabberd_http.hrl").
-include("bosh.hrl").
-record(bosh, {sid = <<"">> :: binary() | '_',
timestamp = p1_time_compat:timestamp() :: erlang:timestamp() | '_',
pid = self() :: pid() | '$1'}).
-record(state, {}).
-callback init() -> any().
-callback open_session(binary(), pid()) -> any().
-callback close_session(binary()) -> any().
-callback find_session(binary()) -> {ok, pid()} | error.
%%%----------------------------------------------------------------------
%%% API
@ -83,137 +77,35 @@ process(_Path, _Request) ->
children = [{xmlcdata, <<"400 Bad Request">>}]}}.
open_session(SID, Pid) ->
Session = #bosh{sid = SID, timestamp = p1_time_compat:timestamp(), pid = Pid},
lists:foreach(
fun(Node) when Node == node() ->
gen_server:call(?MODULE, {write, Session});
(Node) ->
cluster_send({?MODULE, Node}, {write, Session})
end, ejabberd_cluster:get_nodes()).
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:open_session(SID, Pid).
close_session(SID) ->
case mnesia:dirty_read(bosh, SID) of
[Session] ->
lists:foreach(
fun(Node) when Node == node() ->
gen_server:call(?MODULE, {delete, Session});
(Node) ->
cluster_send({?MODULE, Node}, {delete, Session})
end, ejabberd_cluster:get_nodes());
[] ->
ok
end.
write_session(#bosh{pid = Pid1, sid = SID, timestamp = T1} = S1) ->
case mnesia:dirty_read(bosh, SID) of
[#bosh{pid = Pid2, timestamp = T2} = S2] ->
if Pid1 == Pid2 ->
mnesia:dirty_write(S1);
T1 < T2 ->
cluster_send(Pid2, replaced),
mnesia:dirty_write(S1);
true ->
cluster_send(Pid1, replaced),
mnesia:dirty_write(S2)
end;
[] ->
mnesia:dirty_write(S1)
end.
delete_session(#bosh{sid = SID, pid = Pid1}) ->
case mnesia:dirty_read(bosh, SID) of
[#bosh{pid = Pid2}] ->
if Pid1 == Pid2 ->
mnesia:dirty_delete(bosh, SID);
true ->
ok
end;
[] ->
ok
end.
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:close_session(SID).
find_session(SID) ->
case mnesia:dirty_read(bosh, SID) of
[#bosh{pid = Pid}] ->
{ok, Pid};
[] ->
error
end.
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:find_session(SID).
start(Host, Opts) ->
setup_database(),
start_jiffy(Opts),
TmpSup = gen_mod:get_module_proc(Host, ?PROCNAME),
TmpSupSpec = {TmpSup,
{ejabberd_tmp_sup, start_link, [TmpSup, ejabberd_bosh]},
permanent, infinity, supervisor, [ejabberd_tmp_sup]},
ProcSpec = {?MODULE,
{?MODULE, start_link, []},
transient, 2000, worker, [?MODULE]},
case supervisor:start_child(ejabberd_sup, ProcSpec) of
{ok, _} ->
supervisor:start_child(ejabberd_sup, TmpSupSpec);
{error, {already_started, _}} ->
supervisor:start_child(ejabberd_sup, TmpSupSpec);
Err ->
Err
end.
supervisor:start_child(ejabberd_sup, TmpSupSpec),
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:init().
stop(Host) ->
TmpSup = gen_mod:get_module_proc(Host, ?PROCNAME),
supervisor:terminate_child(ejabberd_sup, TmpSup),
supervisor:delete_child(ejabberd_sup, TmpSup).
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
init([]) ->
{ok, #state{}}.
handle_call({write, Session}, _From, State) ->
Res = write_session(Session),
{reply, Res, State};
handle_call({delete, Session}, _From, State) ->
Res = delete_session(Session),
{reply, Res, State};
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info({write, Session}, State) ->
write_session(Session),
{noreply, State};
handle_info({delete, Session}, State) ->
delete_session(Session),
{noreply, State};
handle_info(_Info, State) ->
?ERROR_MSG("got unexpected info: ~p", [_Info]),
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
setup_database() ->
case catch mnesia:table_info(bosh, attributes) of
[sid, pid] ->
mnesia:delete_table(bosh);
_ ->
ok
end,
ejabberd_mnesia:create(?MODULE, bosh,
[{ram_copies, [node()]}, {local_content, true},
{attributes, record_info(fields, bosh)}]),
mnesia:add_table_copy(bosh, node(), ram_copies).
start_jiffy(Opts) ->
case gen_mod:get_opt(json, Opts,
fun(false) -> false;
@ -241,9 +133,6 @@ get_type(Hdrs) ->
xml
end.
cluster_send(NodePid, Msg) ->
erlang:send(NodePid, Msg, [noconnect, nosuspend]).
depends(_Host, _Opts) ->
[].
@ -261,8 +150,10 @@ mod_opt_type(max_pause) ->
fun (I) when is_integer(I), I > 0 -> I end;
mod_opt_type(prebind) ->
fun (B) when is_boolean(B) -> B end;
mod_opt_type(ram_db_type) ->
fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) ->
[json, max_concat, max_inactivity, max_pause, prebind].
[json, max_concat, max_inactivity, max_pause, prebind, ram_db_type].
%%%----------------------------------------------------------------------

163
src/mod_bosh_mnesia.erl Normal file
View File

@ -0,0 +1,163 @@
%%%-------------------------------------------------------------------
%%% Created : 12 Jan 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(mod_bosh_mnesia).
-behaviour(gen_server).
-behaviour(mod_bosh).
%% mod_bosh API
-export([init/0, open_session/2, close_session/1, find_session/1]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-include("logger.hrl").
-record(bosh, {sid = <<"">> :: binary() | '_',
timestamp = p1_time_compat:timestamp() :: erlang:timestamp() | '_',
pid = self() :: pid() | '$1'}).
-record(state, {}).
%%%===================================================================
%%% API
%%%===================================================================
init() ->
case gen_server:start_link({local, ?MODULE}, ?MODULE, [], []) of
{ok, _Pid} ->
ok;
Err ->
Err
end.
open_session(SID, Pid) ->
Session = #bosh{sid = SID, timestamp = p1_time_compat:timestamp(), pid = Pid},
lists:foreach(
fun(Node) when Node == node() ->
gen_server:call(?MODULE, {write, Session});
(Node) ->
cluster_send({?MODULE, Node}, {write, Session})
end, ejabberd_cluster:get_nodes()).
close_session(SID) ->
case mnesia:dirty_read(bosh, SID) of
[Session] ->
lists:foreach(
fun(Node) when Node == node() ->
gen_server:call(?MODULE, {delete, Session});
(Node) ->
cluster_send({?MODULE, Node}, {delete, Session})
end, ejabberd_cluster:get_nodes());
[] ->
ok
end.
find_session(SID) ->
case mnesia:dirty_read(bosh, SID) of
[#bosh{pid = Pid}] ->
{ok, Pid};
[] ->
error
end.
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
init([]) ->
setup_database(),
{ok, #state{}}.
handle_call({write, Session}, _From, State) ->
Res = write_session(Session),
{reply, Res, State};
handle_call({delete, Session}, _From, State) ->
Res = delete_session(Session),
{reply, Res, State};
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info({write, Session}, State) ->
write_session(Session),
{noreply, State};
handle_info({delete, Session}, State) ->
delete_session(Session),
{noreply, State};
handle_info(_Info, State) ->
?ERROR_MSG("got unexpected info: ~p", [_Info]),
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
write_session(#bosh{pid = Pid1, sid = SID, timestamp = T1} = S1) ->
case mnesia:dirty_read(bosh, SID) of
[#bosh{pid = Pid2, timestamp = T2} = S2] ->
if Pid1 == Pid2 ->
mnesia:dirty_write(S1);
T1 < T2 ->
cluster_send(Pid2, replaced),
mnesia:dirty_write(S1);
true ->
cluster_send(Pid1, replaced),
mnesia:dirty_write(S2)
end;
[] ->
mnesia:dirty_write(S1)
end.
delete_session(#bosh{sid = SID, pid = Pid1}) ->
case mnesia:dirty_read(bosh, SID) of
[#bosh{pid = Pid2}] ->
if Pid1 == Pid2 ->
mnesia:dirty_delete(bosh, SID);
true ->
ok
end;
[] ->
ok
end.
cluster_send(NodePid, Msg) ->
erlang:send(NodePid, Msg, [noconnect, nosuspend]).
setup_database() ->
case catch mnesia:table_info(bosh, attributes) of
[sid, pid] ->
mnesia:delete_table(bosh);
_ ->
ok
end,
ejabberd_mnesia:create(?MODULE, bosh,
[{ram_copies, [node()]}, {local_content, true},
{attributes, record_info(fields, bosh)}]),
mnesia:add_table_copy(bosh, node(), ram_copies).

166
src/mod_caps.erl
View File

@ -35,10 +35,10 @@
-behaviour(gen_mod).
-export([read_caps/1, caps_stream_features/2,
-export([read_caps/1, list_features/1, caps_stream_features/2,
disco_features/5, disco_identity/5, disco_info/5,
get_features/2, export/1, import_info/0, import/5,
import_start/2, import_stop/2]).
get_user_caps/2, import_start/2, import_stop/2]).
%% gen_mod callbacks
-export([start/2, start_link/2, stop/1, depends/2]).
@ -47,9 +47,8 @@
-export([init/1, handle_info/2, handle_call/3,
handle_cast/2, terminate/2, code_change/3]).
-export([user_send_packet/4, user_receive_packet/5,
c2s_presence_in/2, c2s_filter_packet/6,
c2s_broadcast_recipients/6, mod_opt_type/1]).
-export([user_send_packet/1, user_receive_packet/1,
c2s_presence_in/2, mod_opt_type/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -104,6 +103,22 @@ get_features(Host, #caps{node = Node, version = Version,
end,
[], SubNodes).
-spec list_features(ejabberd_c2s:state()) -> [{ljid(), caps()}].
list_features(C2SState) ->
Rs = maps:get(caps_features, C2SState, gb_trees:empty()),
gb_trees:to_list(Rs).
-spec get_user_caps(jid(), ejabberd_c2s:state()) -> {ok, caps()} | error.
get_user_caps(JID, C2SState) ->
Rs = maps:get(caps_features, C2SState, gb_trees:empty()),
LJID = jid:tolower(JID),
case gb_trees:lookup(LJID, Rs) of
{value, Caps} ->
{ok, Caps};
none ->
error
end.
-spec read_caps(#presence{}) -> nothing | caps().
read_caps(Presence) ->
case xmpp:get_subtag(Presence, #caps{}) of
@ -111,47 +126,51 @@ read_caps(Presence) ->
Caps -> Caps
end.
-spec user_send_packet(stanza(), ejabberd_c2s:state(), jid(), jid()) -> stanza().
user_send_packet(#presence{type = available} = Pkt,
_C2SState,
#jid{luser = User, lserver = Server} = From,
#jid{luser = User, lserver = Server,
lresource = <<"">>}) ->
-spec user_send_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_send_packet({#presence{type = available,
from = #jid{luser = U, lserver = LServer} = From,
to = #jid{luser = U, lserver = LServer,
lresource = <<"">>}} = Pkt,
State}) ->
case read_caps(Pkt) of
nothing -> ok;
#caps{version = Version, exts = Exts} = Caps ->
feature_request(Server, From, Caps, [Version | Exts])
feature_request(LServer, From, Caps, [Version | Exts])
end,
Pkt;
user_send_packet(Pkt, _C2SState, _From, _To) ->
Pkt.
{Pkt, State};
user_send_packet(Acc) ->
Acc.
-spec user_receive_packet(stanza(), ejabberd_c2s:state(),
jid(), jid(), jid()) -> stanza().
user_receive_packet(#presence{type = available} = Pkt,
_C2SState,
#jid{lserver = Server},
From, _To) ->
IsRemote = not lists:member(From#jid.lserver, ?MYHOSTS),
-spec user_receive_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_receive_packet({#presence{from = From, type = available} = Pkt,
#{lserver := LServer} = State}) ->
IsRemote = not ejabberd_router:is_my_host(From#jid.lserver),
if IsRemote ->
case read_caps(Pkt) of
nothing -> ok;
#caps{version = Version, exts = Exts} = Caps ->
feature_request(Server, From, Caps, [Version | Exts])
feature_request(LServer, From, Caps, [Version | Exts])
end;
true -> ok
end,
Pkt;
user_receive_packet(Pkt, _C2SState, _JID, _From, _To) ->
Pkt.
{Pkt, State};
user_receive_packet(Acc) ->
Acc.
-spec caps_stream_features([xmpp_element()], binary()) -> [xmpp_element()].
caps_stream_features(Acc, MyHost) ->
case gen_mod:is_loaded(MyHost, ?MODULE) of
true ->
case make_my_disco_hash(MyHost) of
<<"">> -> Acc;
<<"">> ->
Acc;
Hash ->
[#caps{hash = <<"sha-1">>, node = ?EJABBERD_URI, version = Hash}|Acc]
[#caps{hash = <<"sha-1">>, node = ?EJABBERD_URI,
version = Hash}|Acc]
end;
false ->
Acc
end.
-spec disco_features({error, stanza_error()} | {result, [binary()]} | empty,
@ -194,23 +213,16 @@ disco_info(Acc, Host, Module, Node, Lang) when is_atom(Module) ->
disco_info(Acc, _, _, _Node, _Lang) ->
Acc.
-spec c2s_presence_in(ejabberd_c2s:state(), {jid(), jid(), presence()}) ->
ejabberd_c2s:state().
-spec c2s_presence_in(ejabberd_c2s:state(), presence()) -> ejabberd_c2s:state().
c2s_presence_in(C2SState,
{From, To, #presence{type = Type} = Presence}) ->
Subscription = ejabberd_c2s:get_subscription(From,
C2SState),
#presence{from = From, to = To, type = Type} = Presence) ->
Subscription = ejabberd_c2s:get_subscription(From, C2SState),
Insert = (Type == available)
and ((Subscription == both) or (Subscription == to)),
Delete = (Type == unavailable) or (Type == error),
if Insert or Delete ->
LFrom = jid:tolower(From),
Rs = case ejabberd_c2s:get_aux_field(caps_resources,
C2SState)
of
{ok, Rs1} -> Rs1;
error -> gb_trees:empty()
end,
Rs = maps:get(caps_resources, C2SState, gb_trees:empty()),
Caps = read_caps(Presence),
NewRs = case Caps of
nothing when Insert == true -> Rs;
@ -230,51 +242,11 @@ c2s_presence_in(C2SState,
end;
_ -> gb_trees:delete_any(LFrom, Rs)
end,
ejabberd_c2s:set_aux_field(caps_resources, NewRs,
C2SState);
true -> C2SState
C2SState#{caps_resources => NewRs};
true ->
C2SState
end.
-spec c2s_filter_packet(boolean(), binary(), ejabberd_c2s:state(),
{pep_message, binary()}, jid(), stanza()) ->
boolean().
c2s_filter_packet(InAcc, Host, C2SState, {pep_message, Feature}, To, _Packet) ->
case ejabberd_c2s:get_aux_field(caps_resources, C2SState) of
{ok, Rs} ->
LTo = jid:tolower(To),
case gb_trees:lookup(LTo, Rs) of
{value, Caps} ->
Drop = not lists:member(Feature, get_features(Host, Caps)),
{stop, Drop};
none ->
{stop, true}
end;
_ -> InAcc
end;
c2s_filter_packet(Acc, _, _, _, _, _) -> Acc.
-spec c2s_broadcast_recipients([ljid()], binary(), ejabberd_c2s:state(),
{pep_message, binary()}, jid(), stanza()) ->
[ljid()].
c2s_broadcast_recipients(InAcc, Host, C2SState,
{pep_message, Feature}, _From, _Packet) ->
case ejabberd_c2s:get_aux_field(caps_resources,
C2SState)
of
{ok, Rs} ->
gb_trees_fold(fun (USR, Caps, Acc) ->
case lists:member(Feature,
get_features(Host, Caps))
of
true -> [USR | Acc];
false -> Acc
end
end,
InAcc, Rs);
_ -> InAcc
end;
c2s_broadcast_recipients(Acc, _, _, _, _, _) -> Acc.
-spec depends(binary(), gen_mod:opts()) -> [{module(), hard | soft}].
depends(_Host, _Opts) ->
[].
@ -292,17 +264,13 @@ init([Host, Opts]) ->
[{max_size, MaxSize}, {life_time, LifeTime}]),
ejabberd_hooks:add(c2s_presence_in, Host, ?MODULE,
c2s_presence_in, 75),
ejabberd_hooks:add(c2s_filter_packet, Host, ?MODULE,
c2s_filter_packet, 75),
ejabberd_hooks:add(c2s_broadcast_recipients, Host,
?MODULE, c2s_broadcast_recipients, 75),
ejabberd_hooks:add(user_send_packet, Host, ?MODULE,
user_send_packet, 75),
ejabberd_hooks:add(user_receive_packet, Host, ?MODULE,
user_receive_packet, 75),
ejabberd_hooks:add(c2s_stream_features, Host, ?MODULE,
ejabberd_hooks:add(c2s_post_auth_features, Host, ?MODULE,
caps_stream_features, 75),
ejabberd_hooks:add(s2s_stream_features, Host, ?MODULE,
ejabberd_hooks:add(s2s_in_post_auth_features, Host, ?MODULE,
caps_stream_features, 75),
ejabberd_hooks:add(disco_local_features, Host, ?MODULE,
disco_features, 75),
@ -325,17 +293,13 @@ terminate(_Reason, State) ->
Host = State#state.host,
ejabberd_hooks:delete(c2s_presence_in, Host, ?MODULE,
c2s_presence_in, 75),
ejabberd_hooks:delete(c2s_filter_packet, Host, ?MODULE,
c2s_filter_packet, 75),
ejabberd_hooks:delete(c2s_broadcast_recipients, Host,
?MODULE, c2s_broadcast_recipients, 75),
ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
user_send_packet, 75),
ejabberd_hooks:delete(user_receive_packet, Host,
?MODULE, user_receive_packet, 75),
ejabberd_hooks:delete(c2s_stream_features, Host,
ejabberd_hooks:delete(c2s_post_auth_features, Host,
?MODULE, caps_stream_features, 75),
ejabberd_hooks:delete(s2s_stream_features, Host,
ejabberd_hooks:delete(s2s_in_post_auth_features, Host,
?MODULE, caps_stream_features, 75),
ejabberd_hooks:delete(disco_local_features, Host,
?MODULE, disco_features, 75),
@ -494,20 +458,6 @@ concat_xdata_fields(#xdata{fields = Fields} = X) ->
is_binary(Var), Var /= <<"FORM_TYPE">>],
[Form, $<, lists:sort(Res)].
-spec gb_trees_fold(fun((_, _, T) -> T), T, gb_trees:tree()) -> T.
gb_trees_fold(F, Acc, Tree) ->
Iter = gb_trees:iterator(Tree),
gb_trees_fold_iter(F, Acc, Iter).
-spec gb_trees_fold_iter(fun((_, _, T) -> T), T, gb_trees:iter()) -> T.
gb_trees_fold_iter(F, Acc, Iter) ->
case gb_trees:next(Iter) of
{Key, Val, NewIter} ->
NewAcc = F(Key, Val, Acc),
gb_trees_fold_iter(F, NewAcc, NewIter);
_ -> Acc
end.
-spec now_ts() -> integer().
now_ts() ->
p1_time_compat:system_time(seconds).

46
src/mod_carboncopy.erl
View File

@ -35,8 +35,8 @@
-export([start/2,
stop/1]).
-export([user_send_packet/4, user_receive_packet/5,
iq_handler/1, remove_connection/4,
-export([user_send_packet/1, user_receive_packet/1,
iq_handler/1, remove_connection/4, disco_features/5,
is_carbon_copy/1, mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
@ -59,7 +59,7 @@ is_carbon_copy(_) ->
start(Host, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts,fun gen_iq_handler:check_type/1, one_queue),
mod_disco:register_feature(Host, ?NS_CARBONS_2),
ejabberd_hooks:add(disco_local_features, Host, ?MODULE, disco_features, 50),
Mod = gen_mod:db_mod(Host, ?MODULE),
Mod:init(Host, Opts),
ejabberd_hooks:add(unset_presence_hook,Host, ?MODULE, remove_connection, 10),
@ -70,12 +70,24 @@ start(Host, Opts) ->
stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_CARBONS_2),
mod_disco:unregister_feature(Host, ?NS_CARBONS_2),
ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, disco_features, 50),
%% why priority 89: to define clearly that we must run BEFORE mod_logdb hook (90)
ejabberd_hooks:delete(user_send_packet,Host, ?MODULE, user_send_packet, 89),
ejabberd_hooks:delete(user_receive_packet,Host, ?MODULE, user_receive_packet, 89),
ejabberd_hooks:delete(unset_presence_hook,Host, ?MODULE, remove_connection, 10).
-spec disco_features({error, stanza_error()} | {result, [binary()]} | empty,
jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [binary()]}.
disco_features({error, Err}, _From, _To, _Node, _Lang) ->
{error, Err};
disco_features(empty, _From, _To, <<"">>, _Lang) ->
{result, [?NS_CARBONS_2]};
disco_features({result, Feats}, _From, _To, <<"">>, _Lang) ->
{result, [?NS_CARBONS_2|Feats]};
disco_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec iq_handler(iq()) -> iq().
iq_handler(#iq{type = set, lang = Lang, from = From,
sub_els = [El]} = IQ) when is_record(El, carbons_enable);
@ -105,16 +117,24 @@ iq_handler(#iq{type = get, lang = Lang} = IQ)->
Txt = <<"Value 'get' of 'type' attribute is not allowed">>,
xmpp:make_error(IQ, xmpp:err_not_allowed(Txt, Lang)).
-spec user_send_packet(stanza(), ejabberd_c2s:state(), jid(), jid()) ->
stanza() | {stop, stanza()}.
user_send_packet(Packet, _C2SState, From, To) ->
check_and_forward(From, To, Packet, sent).
-spec user_send_packet({stanza(), ejabberd_c2s:state()})
-> {stanza(), ejabberd_c2s:state()} | {stop, {stanza(), ejabberd_c2s:state()}}.
user_send_packet({Packet, C2SState}) ->
From = xmpp:get_from(Packet),
To = xmpp:get_to(Packet),
case check_and_forward(From, To, Packet, sent) of
{stop, Pkt} -> {stop, {Pkt, C2SState}};
Pkt -> {Pkt, C2SState}
end.
-spec user_receive_packet(stanza(), ejabberd_c2s:state(),
jid(), jid(), jid()) ->
stanza() | {stop, stanza()}.
user_receive_packet(Packet, _C2SState, JID, _From, To) ->
check_and_forward(JID, To, Packet, received).
-spec user_receive_packet({stanza(), ejabberd_c2s:state()})
-> {stanza(), ejabberd_c2s:state()} | {stop, {stanza(), ejabberd_c2s:state()}}.
user_receive_packet({Packet, #{jid := JID} = C2SState}) ->
To = xmpp:get_to(Packet),
case check_and_forward(JID, To, Packet, received) of
{stop, Pkt} -> {stop, {Pkt, C2SState}};
Pkt -> {Pkt, C2SState}
end.
% Modified from original version:
% - registered to the user_send_packet hook, to be called only once even for multicast

314
src/mod_client_state.erl
View File

@ -34,8 +34,11 @@
-export([start/2, stop/1, mod_opt_type/1, depends/2]).
%% ejabberd_hooks callbacks.
-export([filter_presence/4, filter_chat_states/4, filter_pep/4, filter_other/4,
flush_queue/3, add_stream_feature/2]).
-export([filter_presence/1, filter_chat_states/1,
filter_pep/1, filter_other/1,
c2s_stream_started/2, add_stream_feature/2,
c2s_copy_session/2, c2s_authenticated_packet/2,
c2s_session_resumed/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -44,9 +47,10 @@
-define(CSI_QUEUE_MAX, 100).
-type csi_type() :: presence | chatstate | {pep, binary()}.
-type csi_key() :: {ljid(), csi_type()}.
-type csi_stanza() :: {csi_key(), erlang:timestamp(), xmlel()}.
-type csi_queue() :: [csi_stanza()].
-type csi_queue() :: {non_neg_integer(), non_neg_integer(), map()}.
-type csi_timestamp() :: {non_neg_integer(), erlang:timestamp()}.
-type c2s_state() :: ejabberd_c2s:state().
-type filter_acc() :: {stanza() | drop, c2s_state()}.
%%--------------------------------------------------------------------
%% gen_mod callbacks.
@ -68,27 +72,33 @@ start(Host, Opts) ->
fun(B) when is_boolean(B) -> B end,
true),
if QueuePresence; QueueChatStates; QueuePEP ->
ejabberd_hooks:add(c2s_stream_started, Host, ?MODULE,
c2s_stream_started, 50),
ejabberd_hooks:add(c2s_post_auth_features, Host, ?MODULE,
add_stream_feature, 50),
ejabberd_hooks:add(c2s_authenticated_packet, Host, ?MODULE,
c2s_authenticated_packet, 50),
ejabberd_hooks:add(c2s_copy_session, Host, ?MODULE,
c2s_copy_session, 50),
ejabberd_hooks:add(c2s_session_resumed, Host, ?MODULE,
c2s_session_resumed, 50),
if QueuePresence ->
ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
ejabberd_hooks:add(c2s_filter_send, Host, ?MODULE,
filter_presence, 50);
true -> ok
end,
if QueueChatStates ->
ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
ejabberd_hooks:add(c2s_filter_send, Host, ?MODULE,
filter_chat_states, 50);
true -> ok
end,
if QueuePEP ->
ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
ejabberd_hooks:add(c2s_filter_send, Host, ?MODULE,
filter_pep, 50);
true -> ok
end,
ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
filter_other, 100),
ejabberd_hooks:add(csi_flush_queue, Host, ?MODULE,
flush_queue, 50);
ejabberd_hooks:add(c2s_filter_send, Host, ?MODULE,
filter_other, 75);
true -> ok
end.
@ -108,27 +118,33 @@ stop(Host) ->
fun(B) when is_boolean(B) -> B end,
true),
if QueuePresence; QueueChatStates; QueuePEP ->
ejabberd_hooks:delete(c2s_stream_started, Host, ?MODULE,
c2s_stream_started, 50),
ejabberd_hooks:delete(c2s_post_auth_features, Host, ?MODULE,
add_stream_feature, 50),
ejabberd_hooks:delete(c2s_authenticated_packet, Host, ?MODULE,
c2s_authenticated_packet, 50),
ejabberd_hooks:delete(c2s_copy_session, Host, ?MODULE,
c2s_copy_session, 50),
ejabberd_hooks:delete(c2s_session_resumed, Host, ?MODULE,
c2s_session_resumed, 50),
if QueuePresence ->
ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
ejabberd_hooks:delete(c2s_filter_send, Host, ?MODULE,
filter_presence, 50);
true -> ok
end,
if QueueChatStates ->
ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
ejabberd_hooks:delete(c2s_filter_send, Host, ?MODULE,
filter_chat_states, 50);
true -> ok
end,
if QueuePEP ->
ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
ejabberd_hooks:delete(c2s_filter_send, Host, ?MODULE,
filter_pep, 50);
true -> ok
end,
ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
filter_other, 100),
ejabberd_hooks:delete(csi_flush_queue, Host, ?MODULE,
flush_queue, 50);
ejabberd_hooks:delete(c2s_filter_send, Host, ?MODULE,
filter_other, 75);
true -> ok
end.
@ -150,29 +166,46 @@ depends(_Host, _Opts) ->
%%--------------------------------------------------------------------
%% ejabberd_hooks callbacks.
%%--------------------------------------------------------------------
-spec c2s_stream_started(c2s_state(), stream_start()) -> c2s_state().
c2s_stream_started(State, _) ->
State#{csi_state => active, csi_queue => queue_new()}.
-spec filter_presence({ejabberd_c2s:state(), [stanza()]}, binary(), jid(), stanza())
-> {ejabberd_c2s:state(), [stanza()]} |
{stop, {ejabberd_c2s:state(), [stanza()]}}.
-spec c2s_authenticated_packet(c2s_state(), xmpp_element()) -> c2s_state().
c2s_authenticated_packet(C2SState, #csi{type = active}) ->
C2SState1 = C2SState#{csi_state => active},
flush_queue(C2SState1);
c2s_authenticated_packet(C2SState, #csi{type = inactive}) ->
C2SState#{csi_state => inactive};
c2s_authenticated_packet(C2SState, _) ->
C2SState.
filter_presence({C2SState, _OutStanzas} = Acc, Host, To,
#presence{type = Type} = Stanza) ->
if Type == available; Type == unavailable ->
?DEBUG("Got availability presence stanza for ~s",
[jid:to_string(To)]),
queue_add(presence, Stanza, Host, C2SState);
true ->
Acc
end;
filter_presence(Acc, _Host, _To, _Stanza) -> Acc.
-spec c2s_copy_session(c2s_state(), c2s_state()) -> c2s_state().
c2s_copy_session(C2SState, #{csi_state := State, csi_queue := Q}) ->
C2SState#{csi_state => State, csi_queue => Q};
c2s_copy_session(C2SState, _) ->
C2SState.
-spec filter_chat_states({ejabberd_c2s:state(), [stanza()]}, binary(), jid(), stanza())
-> {ejabberd_c2s:state(), [stanza()]} |
{stop, {ejabberd_c2s:state(), [stanza()]}}.
-spec c2s_session_resumed(c2s_state()) -> c2s_state().
c2s_session_resumed(C2SState) ->
flush_queue(C2SState).
filter_chat_states({C2SState, _OutStanzas} = Acc, Host, To,
#message{from = From} = Stanza) ->
case xmpp_util:is_standalone_chat_state(Stanza) of
-spec filter_presence(filter_acc()) -> filter_acc().
filter_presence({#presence{meta = #{csi_resend := true}}, _} = Acc) ->
Acc;
filter_presence({#presence{to = To, type = Type} = Pres,
#{csi_state := inactive} = C2SState})
when Type == available; Type == unavailable ->
?DEBUG("Got availability presence stanza for ~s", [jid:to_string(To)]),
enqueue_stanza(presence, Pres, C2SState);
filter_presence(Acc) ->
Acc.
-spec filter_chat_states(filter_acc()) -> filter_acc().
filter_chat_states({#message{meta = #{csi_resend := true}}, _} = Acc) ->
Acc;
filter_chat_states({#message{from = From, to = To} = Msg,
#{csi_state := inactive} = C2SState} = Acc) ->
case xmpp_util:is_standalone_chat_state(Msg) of
true ->
case {From, To} of
{#jid{luser = U, lserver = S}, #jid{luser = U, lserver = S}} ->
@ -183,108 +216,107 @@ filter_chat_states({C2SState, _OutStanzas} = Acc, Host, To,
_ ->
?DEBUG("Got standalone chat state notification for ~s",
[jid:to_string(To)]),
queue_add(chatstate, Stanza, Host, C2SState)
enqueue_stanza(chatstate, Msg, C2SState)
end;
false ->
Acc
end;
filter_chat_states(Acc, _Host, _To, _Stanza) -> Acc.
filter_chat_states(Acc) ->
Acc.
-spec filter_pep({ejabberd_c2s:state(), [stanza()]}, binary(), jid(), stanza())
-> {ejabberd_c2s:state(), [stanza()]} |
{stop, {ejabberd_c2s:state(), [stanza()]}}.
filter_pep({C2SState, _OutStanzas} = Acc, Host, To, #message{} = Stanza) ->
case get_pep_node(Stanza) of
-spec filter_pep(filter_acc()) -> filter_acc().
filter_pep({#message{meta = #{csi_resend := true}}, _} = Acc) ->
Acc;
filter_pep({#message{to = To} = Msg,
#{csi_state := inactive} = C2SState} = Acc) ->
case get_pep_node(Msg) of
undefined ->
Acc;
Node ->
?DEBUG("Got PEP notification for ~s", [jid:to_string(To)]),
queue_add({pep, Node}, Stanza, Host, C2SState)
enqueue_stanza({pep, Node}, Msg, C2SState)
end;
filter_pep(Acc, _Host, _To, _Stanza) -> Acc.
filter_pep(Acc) ->
Acc.
-spec filter_other({ejabberd_c2s:state(), [stanza()]}, binary(), jid(), stanza())
-> {ejabberd_c2s:state(), [stanza()]}.
-spec filter_other(filter_acc()) -> filter_acc().
filter_other({Stanza, #{jid := JID} = C2SState} = Acc) when ?is_stanza(Stanza) ->
case xmpp:get_meta(Stanza) of
#{csi_resend := true} ->
Acc;
_ ->
?DEBUG("Won't add stanza for ~s to CSI queue", [jid:to_string(JID)]),
From = xmpp:get_from(Stanza),
C2SState1 = dequeue_sender(From, C2SState),
{Stanza, C2SState1}
end;
filter_other(Acc) ->
Acc.
filter_other({C2SState, _OutStanzas}, Host, To, Stanza) ->
?DEBUG("Won't add stanza for ~s to CSI queue", [jid:to_string(To)]),
queue_take(Stanza, Host, C2SState).
-spec flush_queue({ejabberd_c2s:state(), [stanza()]}, binary(), jid())
-> {ejabberd_c2s:state(), [stanza()]}.
flush_queue({C2SState, _OutStanzas}, Host, JID) ->
?DEBUG("Going to flush CSI queue of ~s", [jid:to_string(JID)]),
Queue = get_queue(C2SState),
NewState = set_queue([], C2SState),
{NewState, get_stanzas(Queue, Host)}.
-spec add_stream_feature([stanza()], binary) -> [stanza()].
add_stream_feature(Features, _Host) ->
[#feature_csi{xmlns = <<"urn:xmpp:csi:0">>} | Features].
-spec add_stream_feature([xmpp_element()], binary) -> [xmpp_element()].
add_stream_feature(Features, Host) ->
case gen_mod:is_loaded(Host, ?MODULE) of
true ->
[#feature_csi{xmlns = <<"urn:xmpp:csi:0">>} | Features];
false ->
Features
end.
%%--------------------------------------------------------------------
%% Internal functions.
%%--------------------------------------------------------------------
-spec queue_add(csi_type(), stanza(), binary(), term())
-> {stop, {term(), [stanza()]}}.
queue_add(Type, Stanza, Host, C2SState) ->
case get_queue(C2SState) of
Queue when length(Queue) >= ?CSI_QUEUE_MAX ->
-spec enqueue_stanza(csi_type(), stanza(), c2s_state()) -> filter_acc().
enqueue_stanza(Type, Stanza, #{csi_state := inactive,
csi_queue := Q} = C2SState) ->
case queue_len(Q) >= ?CSI_QUEUE_MAX of
true ->
?DEBUG("CSI queue too large, going to flush it", []),
NewState = set_queue([], C2SState),
{stop, {NewState, get_stanzas(Queue, Host) ++ [Stanza]}};
Queue ->
?DEBUG("Adding stanza to CSI queue", []),
From = xmpp:get_from(Stanza),
Key = {jid:tolower(From), Type},
Entry = {Key, p1_time_compat:timestamp(), Stanza},
NewQueue = lists:keystore(Key, 1, Queue, Entry),
NewState = set_queue(NewQueue, C2SState),
{stop, {NewState, []}}
end.
C2SState1 = flush_queue(C2SState),
enqueue_stanza(Type, Stanza, C2SState1);
false ->
#jid{luser = U, lserver = S} = xmpp:get_from(Stanza),
Q1 = queue_in({U, S}, Type, Stanza, Q),
{stop, {drop, C2SState#{csi_queue => Q1}}}
end;
enqueue_stanza(_Type, Stanza, State) ->
{Stanza, State}.
-spec queue_take(stanza(), binary(), term()) -> {term(), [stanza()]}.
queue_take(Stanza, Host, C2SState) ->
From = xmpp:get_from(Stanza),
{LUser, LServer, _LResource} = jid:tolower(From),
{Selected, Rest} = lists:partition(
fun({{{U, S, _R}, _Type}, _Time, _Stanza}) ->
U == LUser andalso S == LServer
end, get_queue(C2SState)),
NewState = set_queue(Rest, C2SState),
{NewState, get_stanzas(Selected, Host) ++ [Stanza]}.
-spec set_queue(csi_queue(), term()) -> term().
set_queue(Queue, C2SState) ->
ejabberd_c2s:set_aux_field(csi_queue, Queue, C2SState).
-spec get_queue(term()) -> csi_queue().
get_queue(C2SState) ->
case ejabberd_c2s:get_aux_field(csi_queue, C2SState) of
{ok, Queue} ->
Queue;
-spec dequeue_sender(jid(), c2s_state()) -> c2s_state().
dequeue_sender(#jid{luser = U, lserver = S},
#{csi_queue := Q, jid := JID} = C2SState) ->
?DEBUG("Flushing packets of ~s@~s from CSI queue of ~s",
[U, S, jid:to_string(JID)]),
case queue_take({U, S}, Q) of
{Stanzas, Q1} ->
C2SState1 = flush_stanzas(C2SState, Stanzas),
C2SState1#{csi_queue => Q1};
error ->
[]
C2SState
end.
-spec get_stanzas(csi_queue(), binary()) -> [stanza()].
-spec flush_queue(c2s_state()) -> c2s_state().
flush_queue(#{csi_queue := Q, jid := JID} = C2SState) ->
?DEBUG("Flushing CSI queue of ~s", [jid:to_string(JID)]),
C2SState1 = flush_stanzas(C2SState, queue_to_list(Q)),
C2SState1#{csi_queue => queue_new()}.
get_stanzas(Queue, Host) ->
lists:map(fun({_Key, Time, Stanza}) ->
xmpp_util:add_delay_info(Stanza, jid:make(Host), Time,
<<"Client Inactive">>)
end, Queue).
-spec flush_stanzas(c2s_state(),
[{csi_type(), csi_timestamp(), stanza()}]) -> c2s_state().
flush_stanzas(#{lserver := LServer} = C2SState, Elems) ->
lists:foldl(
fun({_Type, Time, Stanza}, AccState) ->
Stanza1 = add_delay_info(Stanza, LServer, Time),
ejabberd_c2s:send(AccState, Stanza1)
end, C2SState, Elems).
-spec add_delay_info(stanza(), binary(), csi_timestamp()) -> stanza().
add_delay_info(Stanza, LServer, {_Seq, TimeStamp}) ->
Stanza1 = xmpp_util:add_delay_info(
Stanza, jid:make(LServer), TimeStamp,
<<"Client Inactive">>),
xmpp:put_meta(Stanza1, csi_resend, true).
-spec get_pep_node(message()) -> binary() | undefined.
get_pep_node(#message{from = #jid{luser = <<>>}}) ->
%% It's not PEP.
undefined;
@ -295,3 +327,53 @@ get_pep_node(#message{} = Msg) ->
_ ->
undefined
end.
%%--------------------------------------------------------------------
%% Queue interface
%%--------------------------------------------------------------------
-spec queue_new() -> csi_queue().
queue_new() ->
{0, 0, #{}}.
-spec queue_in(term(), term(), term(), csi_queue()) -> csi_queue().
queue_in(Key, Type, Val, {N, Seq, Q}) ->
Seq1 = Seq + 1,
Time = {Seq1, p1_time_compat:timestamp()},
try maps:get(Key, Q) of
TypeVals ->
case lists:keymember(Type, 1, TypeVals) of
true ->
TypeVals1 = lists:keyreplace(
Type, 1, TypeVals, {Type, Time, Val}),
Q1 = maps:put(Key, TypeVals1, Q),
{N, Seq1, Q1};
false ->
TypeVals1 = [{Type, Time, Val}|TypeVals],
Q1 = maps:put(Key, TypeVals1, Q),
{N + 1, Seq1, Q1}
end
catch _:{badkey, _} ->
Q1 = maps:put(Key, [{Type, Time, Val}], Q),
{N + 1, Seq1, Q1}
end.
-spec queue_take(term(), csi_queue()) -> {list(), csi_queue()} | error.
queue_take(Key, {N, Seq, Q}) ->
case maps:take(Key, Q) of
{TypeVals, Q1} ->
{lists:keysort(2, TypeVals), {N-length(TypeVals), Seq, Q1}};
error ->
error
end.
-spec queue_len(csi_queue()) -> non_neg_integer().
queue_len({N, _, _}) ->
N.
-spec queue_to_list(csi_queue()) -> [term()].
queue_to_list({_, _, Q}) ->
TypeVals = maps:fold(
fun(_, Vals, Acc) ->
Vals ++ Acc
end, [], Q),
lists:keysort(2, TypeVals).

65
src/mod_disco.erl
View File

@ -37,9 +37,7 @@
get_local_features/5, get_local_services/5,
process_sm_iq_items/1, process_sm_iq_info/1,
get_sm_identity/5, get_sm_features/5, get_sm_items/5,
get_info/5, register_feature/2, unregister_feature/2,
register_extra_domain/2, unregister_extra_domain/2,
transform_module_options/1, mod_opt_type/1, depends/2]).
get_info/5, transform_module_options/1, mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -48,8 +46,10 @@
-include_lib("stdlib/include/ms_transform.hrl").
-include("mod_roster.hrl").
-type features_acc() :: {error, stanza_error()} | {result, [binary()]} | empty.
-type items_acc() :: {error, stanza_error()} | {result, [disco_item()]} | empty.
start(Host, Opts) ->
ejabberd_local:refresh_iq_handlers(),
IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
one_queue),
gen_iq_handler:add_iq_handler(ejabberd_local, Host,
@ -64,12 +64,9 @@ start(Host, Opts) ->
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_DISCO_INFO, ?MODULE, process_sm_iq_info,
IQDisc),
catch ets:new(disco_features,
[named_table, ordered_set, public]),
register_feature(Host, <<"iq">>),
register_feature(Host, <<"presence">>),
catch ets:new(disco_extra_domains,
[named_table, ordered_set, public]),
[named_table, ordered_set, public,
{heir, erlang:group_leader(), none}]),
ExtraDomains = gen_mod:get_opt(extra_domains, Opts,
fun(Hs) ->
[iolist_to_binary(H) || H <- Hs]
@ -78,10 +75,6 @@ start(Host, Opts) ->
register_extra_domain(Host, Domain)
end,
ExtraDomains),
catch ets:new(disco_sm_features,
[named_table, ordered_set, public]),
catch ets:new(disco_sm_nodes,
[named_table, ordered_set, public]),
ejabberd_hooks:add(disco_local_items, Host, ?MODULE,
get_local_services, 100),
ejabberd_hooks:add(disco_local_features, Host, ?MODULE,
@ -121,35 +114,14 @@ stop(Host) ->
?NS_DISCO_ITEMS),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_DISCO_INFO),
catch ets:match_delete(disco_features, {{'_', Host}}),
catch ets:match_delete(disco_extra_domains,
{{'_', Host}}),
ok.
-spec register_feature(binary(), binary()) -> true.
register_feature(Host, Feature) ->
catch ets:new(disco_features,
[named_table, ordered_set, public]),
ets:insert(disco_features, {{Feature, Host}}).
-spec unregister_feature(binary(), binary()) -> true.
unregister_feature(Host, Feature) ->
catch ets:new(disco_features,
[named_table, ordered_set, public]),
ets:delete(disco_features, {Feature, Host}).
-spec register_extra_domain(binary(), binary()) -> true.
register_extra_domain(Host, Domain) ->
catch ets:new(disco_extra_domains,
[named_table, ordered_set, public]),
ets:insert(disco_extra_domains, {{Domain, Host}}).
-spec unregister_extra_domain(binary(), binary()) -> true.
unregister_extra_domain(Host, Domain) ->
catch ets:new(disco_extra_domains,
[named_table, ordered_set, public]),
ets:delete(disco_extra_domains, {Domain, Host}).
-spec process_local_iq_items(iq()) -> iq().
process_local_iq_items(#iq{type = set, lang = Lang} = IQ) ->
Txt = <<"Value 'set' of 'type' attribute is not allowed">>,
@ -198,22 +170,18 @@ get_local_identity(Acc, _From, _To, <<"">>, _Lang) ->
get_local_identity(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec get_local_features({error, stanza_error()} | {result, [binary()]} | empty,
jid(), jid(), binary(), binary()) ->
-spec get_local_features(features_acc(), jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [binary()]}.
get_local_features({error, _Error} = Acc, _From, _To,
_Node, _Lang) ->
Acc;
get_local_features(Acc, _From, To, <<"">>, _Lang) ->
get_local_features(Acc, _From, _To, <<"">>, _Lang) ->
Feats = case Acc of
{result, Features} -> Features;
empty -> []
end,
Host = To#jid.lserver,
{result,
ets:select(disco_features,
ets:fun2ms(fun({{F, H}}) when H == Host -> F end))
++ Feats};
{result, [<<"iq">>, <<"presence">>,
?NS_DISCO_INFO, ?NS_DISCO_ITEMS |Feats]};
get_local_features(Acc, _From, _To, _Node, Lang) ->
case Acc of
{result, _Features} -> Acc;
@ -222,9 +190,7 @@ get_local_features(Acc, _From, _To, _Node, Lang) ->
{error, xmpp:err_item_not_found(Txt, Lang)}
end.
-spec get_local_services({error, stanza_error()} | {result, [disco_item()]} | empty,
jid(), jid(),
binary(), binary()) ->
-spec get_local_services(items_acc(), jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [disco_item()]}.
get_local_services({error, _Error} = Acc, _From, _To,
_Node, _Lang) ->
@ -269,7 +235,7 @@ get_vh_services(Host) ->
[VH | _] -> VH == Host
end
end,
ejabberd_router:dirty_get_all_routes()).
ejabberd_router:get_all_routes()).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@ -296,9 +262,7 @@ process_sm_iq_items(#iq{type = get, lang = Lang,
xmpp:make_error(IQ, xmpp:err_subscription_required(Txt, Lang))
end.
-spec get_sm_items({error, stanza_error()} | {result, [disco_item()]} | empty,
jid(), jid(),
binary(), binary()) ->
-spec get_sm_items(items_acc(), jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [disco_item()]}.
get_sm_items({error, _Error} = Acc, _From, _To, _Node,
_Lang) ->
@ -383,8 +347,7 @@ get_sm_identity(Acc, _From,
_ -> []
end.
-spec get_sm_features({error, stanza_error()} | {result, [binary()]} | empty,
jid(), jid(), binary(), binary()) ->
-spec get_sm_features(features_acc(), jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [binary()]}.
get_sm_features(empty, From, To, _Node, Lang) ->
#jid{luser = LFrom, lserver = LSFrom} = From,

81
src/mod_fail2ban.erl
View File

@ -28,7 +28,8 @@
-behaviour(gen_server).
%% API
-export([start_link/2, start/2, stop/1, c2s_auth_result/4, check_bl_c2s/3]).
-export([start_link/2, start/2, stop/1, c2s_auth_result/3,
c2s_stream_started/2]).
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3,
@ -37,6 +38,7 @@
-include_lib("stdlib/include/ms_transform.hrl").
-include("ejabberd.hrl").
-include("logger.hrl").
-include("xmpp.hrl").
-define(C2S_AUTH_BAN_LIFETIME, 3600). %% 1 hour
-define(C2S_MAX_AUTH_FAILURES, 20).
@ -51,12 +53,12 @@ start_link(Host, Opts) ->
Proc = gen_mod:get_module_proc(Host, ?MODULE),
gen_server:start_link({local, Proc}, ?MODULE, [Host, Opts], []).
-spec c2s_auth_result(boolean(), binary(), binary(),
{inet:ip_address(), non_neg_integer()}) -> ok.
c2s_auth_result(false, _User, LServer, {Addr, _Port}) ->
-spec c2s_auth_result(ejabberd_c2s:state(), boolean(), binary())
-> ejabberd_c2s:state() | {stop, ejabberd_c2s:state()}.
c2s_auth_result(#{ip := {Addr, _}, lserver := LServer} = State, false, _User) ->
case is_whitelisted(LServer, Addr) of
true ->
ok;
State;
false ->
BanLifetime = gen_mod:get_module_opt(
LServer, ?MODULE, c2s_auth_ban_lifetime,
@ -67,47 +69,41 @@ c2s_auth_result(false, _User, LServer, {Addr, _Port}) ->
fun(I) when is_integer(I), I > 0 -> I end,
?C2S_MAX_AUTH_FAILURES),
UnbanTS = p1_time_compat:system_time(seconds) + BanLifetime,
case ets:lookup(failed_auth, Addr) of
Attempts = case ets:lookup(failed_auth, Addr) of
[{Addr, N, _, _}] ->
ets:insert(failed_auth, {Addr, N+1, UnbanTS, MaxFailures});
ets:insert(failed_auth,
{Addr, N+1, UnbanTS, MaxFailures}),
N+1;
[] ->
ets:insert(failed_auth, {Addr, 1, UnbanTS, MaxFailures})
ets:insert(failed_auth,
{Addr, 1, UnbanTS, MaxFailures}),
1
end,
ok
if Attempts >= MaxFailures ->
log_and_disconnect(State, Attempts, UnbanTS);
true ->
State
end
end;
c2s_auth_result(true, _User, _Server, _AddrPort) ->
ok.
c2s_auth_result(#{ip := {Addr, _}} = State, true, _User) ->
ets:delete(failed_auth, Addr),
State.
-spec check_bl_c2s({true, binary(), binary()} | false,
{inet:ip_address(), non_neg_integer()},
binary()) -> {stop, {true, binary(), binary()}} | false.
check_bl_c2s(_Acc, Addr, Lang) ->
-spec c2s_stream_started(ejabberd_c2s:state(), stream_start())
-> ejabberd_c2s:state() | {stop, ejabberd_c2s:state()}.
c2s_stream_started(#{ip := {Addr, _}} = State, _) ->
ets:tab2list(failed_auth),
case ets:lookup(failed_auth, Addr) of
[{Addr, N, TS, MaxFailures}] when N >= MaxFailures ->
case TS > p1_time_compat:system_time(seconds) of
true ->
IP = jlib:ip_to_list(Addr),
UnbanDate = format_date(
calendar:now_to_universal_time(seconds_to_now(TS))),
LogReason = io_lib:fwrite(
"Too many (~p) failed authentications "
"from this IP address (~s). The address "
"will be unblocked at ~s UTC",
[N, IP, UnbanDate]),
ReasonT = io_lib:fwrite(
translate:translate(
Lang,
<<"Too many (~p) failed authentications "
"from this IP address (~s). The address "
"will be unblocked at ~s UTC">>),
[N, IP, UnbanDate]),
{stop, {true, LogReason, ReasonT}};
log_and_disconnect(State, N, TS);
false ->
ets:delete(failed_auth, Addr),
false
State
end;
_ ->
false
State
end.
%%====================================================================
@ -133,7 +129,7 @@ depends(_Host, _Opts) ->
%%%===================================================================
init([Host, _Opts]) ->
ejabberd_hooks:add(c2s_auth_result, Host, ?MODULE, c2s_auth_result, 100),
ejabberd_hooks:add(check_bl_c2s, ?MODULE, check_bl_c2s, 100),
ejabberd_hooks:add(c2s_stream_started, Host, ?MODULE, c2s_stream_started, 100),
erlang:send_after(?CLEAN_INTERVAL, self(), clean),
{ok, #state{host = Host}}.
@ -159,11 +155,11 @@ handle_info(_Info, State) ->
terminate(_Reason, #state{host = Host}) ->
ejabberd_hooks:delete(c2s_auth_result, Host, ?MODULE, c2s_auth_result, 100),
ejabberd_hooks:delete(c2s_stream_started, Host, ?MODULE, c2s_stream_started, 100),
case is_loaded_at_other_hosts(Host) of
true ->
ok;
false ->
ejabberd_hooks:delete(check_bl_c2s, ?MODULE, check_bl_c2s, 100),
ets:delete(failed_auth)
end.
@ -173,6 +169,21 @@ code_change(_OldVsn, State, _Extra) ->
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec log_and_disconnect(ejabberd_c2s:state(), pos_integer(), erlang:timestamp())
-> {stop, ejabberd_c2s:state()}.
log_and_disconnect(#{ip := {Addr, _}, lang := Lang} = State, Attempts, UnbanTS) ->
IP = jlib:ip_to_list(Addr),
UnbanDate = format_date(
calendar:now_to_universal_time(seconds_to_now(UnbanTS))),
Format = <<"Too many (~p) failed authentications "
"from this IP address (~s). The address "
"will be unblocked at ~s UTC">>,
Args = [Attempts, IP, UnbanDate],
?INFO_MSG("Connection attempt from blacklisted IP ~s: ~s",
[IP, io_lib:fwrite(Format, Args)]),
Err = xmpp:serr_policy_violation({Format, Args}, Lang),
{stop, ejabberd_c2s:send(State, Err)}.
is_whitelisted(Host, Addr) ->
Access = gen_mod:get_module_opt(Host, ?MODULE, access,
fun(A) -> A end,

16
src/mod_http_fileserver.erl
View File

@ -46,7 +46,7 @@
%% utility for other http modules
-export([content_type/3]).
-export([reopen_log/1, mod_opt_type/1, depends/2]).
-export([reopen_log/0, mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -236,7 +236,7 @@ check_docroot_is_readable(DRInfo, DocRoot) ->
try_open_log(undefined, _Host) ->
undefined;
try_open_log(FN, Host) ->
try_open_log(FN, _Host) ->
FD = try open_log(FN) of
FD1 -> FD1
catch
@ -244,7 +244,7 @@ try_open_log(FN, Host) ->
?ERROR_MSG("Cannot open access log file: ~p~nReason: ~p", [FN, Reason]),
undefined
end,
ejabberd_hooks:add(reopen_log_hook, Host, ?MODULE, reopen_log, 50),
ejabberd_hooks:add(reopen_log_hook, ?MODULE, reopen_log, 50),
FD.
%%--------------------------------------------------------------------
@ -298,7 +298,8 @@ handle_info(_Info, State) ->
%%--------------------------------------------------------------------
terminate(_Reason, State) ->
close_log(State#state.accesslogfd),
ejabberd_hooks:delete(reopen_log_hook, State#state.host, ?MODULE, reopen_log, 50),
%% TODO: unregister the hook gracefully
%% ejabberd_hooks:delete(reopen_log_hook, State#state.host, ?MODULE, reopen_log, 50),
ok.
%%--------------------------------------------------------------------
@ -410,8 +411,11 @@ reopen_log(FN, FD) ->
close_log(FD),
open_log(FN).
reopen_log(Host) ->
gen_server:cast(get_proc_name(Host), reopen_log).
reopen_log() ->
lists:foreach(
fun(Host) ->
gen_server:cast(get_proc_name(Host), reopen_log)
end, ?MYHOSTS).
add_to_log(FileSize, Code, Request) ->
gen_server:cast(get_proc_name(Request#request.host),

4
src/mod_http_upload.erl
View File

@ -139,8 +139,6 @@ start(ServerHost, Opts) ->
true) of
true ->
ejabberd_hooks:add(remove_user, ServerHost, ?MODULE,
remove_user, 50),
ejabberd_hooks:add(anonymous_purge_hook, ServerHost, ?MODULE,
remove_user, 50);
false ->
ok
@ -162,8 +160,6 @@ stop(ServerHost) ->
true) of
true ->
ejabberd_hooks:delete(remove_user, ServerHost, ?MODULE,
remove_user, 50),
ejabberd_hooks:delete(anonymous_purge_hook, ServerHost, ?MODULE,
remove_user, 50);
false ->
ok

139
src/mod_ip_blacklist.erl
View File

@ -1,139 +0,0 @@
%%%----------------------------------------------------------------------
%%% File : mod_ip_blacklist.erl
%%% Author : Mickael Remond <mremond@process-one.net>
%%% Purpose : Download blacklists from ProcessOne
%%% Created : 5 May 2008 by Mickael Remond <mremond@process-one.net>
%%% Usage : Add the following line in modules section of ejabberd.cfg:
%%% {mod_ip_blacklist, []}
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_ip_blacklist).
-author('mremond@process-one.net').
-behaviour(gen_mod).
%% API:
-export([start/2, preinit/2, init/1, stop/1]).
-export([update_bl_c2s/0]).
-export([is_ip_in_c2s_blacklist/3, mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
-define(PROCNAME, ?MODULE).
-define(BLC2S,
<<"http://xaai.process-one.net/bl_c2s.txt">>).
-define(UPDATE_INTERVAL, 6).
-record(state, {timer}).
%% Start once for all vhost
-record(bl_c2s, {ip = <<"">> :: binary()}).
start(_Host, _Opts) ->
Pid = spawn(?MODULE, preinit, [self(), #state{}]),
receive {ok, Pid, PreinitResult} -> PreinitResult end.
preinit(Parent, State) ->
Pid = self(),
try register(?PROCNAME, Pid) of
true -> Parent ! {ok, Pid, true}, init(State)
catch
error:_ -> Parent ! {ok, Pid, true}
end.
depends(_Host, _Opts) ->
[].
%% TODO:
stop(_Host) -> ok.
init(State) ->
ets:new(bl_c2s,
[named_table, public, {keypos, #bl_c2s.ip}]),
update_bl_c2s(),
ejabberd_hooks:add(check_bl_c2s, ?MODULE,
is_ip_in_c2s_blacklist, 50),
timer:apply_interval(timer:hours(?UPDATE_INTERVAL),
?MODULE, update_bl_c2s, []),
loop(State).
%% Remove timer when stop is received.
loop(_State) -> receive stop -> ok end.
%% Download blacklist file from ProcessOne XAAI
%% and update the table internal table
%% TODO: Support comment lines starting by %
update_bl_c2s() ->
?INFO_MSG("Updating C2S Blacklist", []),
case p1_http:get(?BLC2S) of
{ok, 200, _Headers, Body} ->
IPs = str:tokens(iolist_to_binary(Body), <<"\n">>),
ets:delete_all_objects(bl_c2s),
lists:foreach(fun (IP) ->
ets:insert(bl_c2s,
#bl_c2s{ip = IP})
end,
IPs);
{error, Reason} ->
?ERROR_MSG("Cannot download C2S blacklist file. "
"Reason: ~p",
[Reason])
end.
%% Hook is run with:
%% ejabberd_hooks:run_fold(check_bl_c2s, false, [IP]),
%% Return: false: IP not blacklisted
%% true: IP is blacklisted
%% IPV4 IP tuple:
-spec is_ip_in_c2s_blacklist(
{true, binary(), binary()} | false,
{inet:ip_address(), non_neg_integer()},
binary()) -> {stop, {true, binary(), binary()}} | false.
is_ip_in_c2s_blacklist(_Val, IP, Lang) when is_tuple(IP) ->
BinaryIP = jlib:ip_to_list(IP),
case ets:lookup(bl_c2s, BinaryIP) of
[] -> %% Not in blacklist
false;
[_] ->
LogReason = io_lib:fwrite(
"This IP address is blacklisted in ~s",
[?BLC2S]),
ReasonT = io_lib:fwrite(
translate:translate(
Lang,
<<"This IP address is blacklisted in ~s">>),
[?BLC2S]),
{stop, {true, LogReason, ReasonT}}
end;
is_ip_in_c2s_blacklist(_Val, _IP, _Lang) -> false.
%% TODO:
%% - For now, we do not kick user already logged on a given IP after
%% we update the blacklist.
mod_opt_type(_) -> [].

36
src/mod_last.erl
View File

@ -37,7 +37,7 @@
process_sm_iq/1, on_presence_update/4, import_info/0,
import/5, import_start/2, store_last_info/4, get_last_info/2,
remove_user/2, transform_options/1, mod_opt_type/1,
opt_type/1, register_user/2, depends/2]).
opt_type/1, register_user/2, depends/2, privacy_check_packet/4]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -64,6 +64,8 @@ start(Host, Opts) ->
?NS_LAST, ?MODULE, process_local_iq, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_LAST, ?MODULE, process_sm_iq, IQDisc),
ejabberd_hooks:add(privacy_check_packet, Host, ?MODULE,
privacy_check_packet, 30),
ejabberd_hooks:add(register_user, Host, ?MODULE,
register_user, 50),
ejabberd_hooks:add(remove_user, Host, ?MODULE,
@ -128,13 +130,10 @@ process_sm_iq(#iq{from = From, to = To, lang = Lang} = IQ) ->
if (Subscription == both) or (Subscription == from) or
(From#jid.luser == To#jid.luser) and
(From#jid.lserver == To#jid.lserver) ->
UserListRecord =
ejabberd_hooks:run_fold(privacy_get_user_list, Server,
#userlist{}, [User, Server]),
Pres = xmpp:set_from_to(#presence{}, To, From),
case ejabberd_hooks:run_fold(privacy_check_packet,
Server, allow,
[User, Server, UserListRecord,
{To, From, #presence{}}, out]) of
[To, Pres, out]) of
allow -> get_last_iq(IQ, User, Server);
deny -> xmpp:make_error(IQ, xmpp:err_forbidden())
end;
@ -143,6 +142,31 @@ process_sm_iq(#iq{from = From, to = To, lang = Lang} = IQ) ->
xmpp:make_error(IQ, xmpp:err_subscription_required(Txt, Lang))
end.
privacy_check_packet(allow, C2SState,
#iq{from = From, to = To, type = T} = IQ, in)
when T == get; T == set ->
case xmpp:has_subtag(IQ, #last{}) of
true ->
Sub = ejabberd_c2s:get_subscription(From, C2SState),
if Sub == from; Sub == both ->
Pres = #presence{from = To, to = From},
case ejabberd_hooks:run_fold(
privacy_check_packet, allow,
[C2SState, Pres, out]) of
allow ->
allow;
deny ->
{stop, deny}
end;
true ->
{stop, deny}
end;
false ->
allow
end;
privacy_check_packet(Acc, _, _, _) ->
Acc.
%% @spec (LUser::string(), LServer::string()) ->
%% {ok, TimeStamp::integer(), Status::string()} | not_found | {error, Reason}
-spec get_last(binary(), binary()) -> {ok, non_neg_integer(), binary()} |

144
src/mod_legacy_auth.erl Normal file
View File

@ -0,0 +1,144 @@
%%%-------------------------------------------------------------------
%%% Created : 11 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(mod_legacy_auth).
-behaviour(gen_mod).
-protocol({xep, 78, '2.5'}).
%% gen_mod API
-export([start/2, stop/1, depends/2, mod_opt_type/1]).
%% hooks
-export([c2s_unauthenticated_packet/2, c2s_stream_features/2]).
-include("xmpp.hrl").
%%%===================================================================
%%% API
%%%===================================================================
start(Host, _Opts) ->
ejabberd_hooks:add(c2s_unauthenticated_packet, Host, ?MODULE,
c2s_unauthenticated_packet, 50),
ejabberd_hooks:add(c2s_pre_auth_features, Host, ?MODULE,
c2s_stream_features, 50).
stop(Host) ->
ejabberd_hooks:delete(c2s_unauthenticated_packet, Host, ?MODULE,
c2s_unauthenticated_packet, 50),
ejabberd_hooks:delete(c2s_pre_auth_features, Host, ?MODULE,
c2s_stream_features, 50).
depends(_Host, _Opts) ->
[].
mod_opt_type(_) ->
[].
c2s_unauthenticated_packet(State, #iq{type = T, sub_els = [_]} = IQ)
when T == get; T == set ->
case xmpp:get_subtag(IQ, #legacy_auth{}) of
#legacy_auth{} = Auth ->
{stop, authenticate(State, xmpp:set_els(IQ, [Auth]))};
false ->
State
end;
c2s_unauthenticated_packet(State, _) ->
State.
c2s_stream_features(Acc, LServer) ->
case gen_mod:is_loaded(LServer, ?MODULE) of
true ->
[#legacy_auth_feature{}|Acc];
false ->
Acc
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
authenticate(#{server := Server} = State,
#iq{type = get, sub_els = [#legacy_auth{}]} = IQ) ->
LServer = jid:nameprep(Server),
Auth = #legacy_auth{username = <<>>, password = <<>>, resource = <<>>},
Res = case ejabberd_auth:plain_password_required(LServer) of
false ->
xmpp:make_iq_result(IQ, Auth#legacy_auth{digest = <<>>});
true ->
xmpp:make_iq_result(IQ, Auth)
end,
ejabberd_c2s:send(State, Res);
authenticate(State,
#iq{type = set, lang = Lang,
sub_els = [#legacy_auth{username = U,
resource = R}]} = IQ)
when U == undefined; R == undefined; U == <<"">>; R == <<"">> ->
Txt = <<"Both the username and the resource are required">>,
Err = xmpp:make_error(IQ, xmpp:err_not_acceptable(Txt, Lang)),
ejabberd_c2s:send(State, Err);
authenticate(#{stream_id := StreamID, server := Server,
access := Access, ip := IP} = State,
#iq{type = set, lang = Lang,
sub_els = [#legacy_auth{username = U,
password = P0,
digest = D0,
resource = R}]} = IQ) ->
P = if is_binary(P0) -> P0; true -> <<>> end,
D = if is_binary(D0) -> D0; true -> <<>> end,
DGen = fun (PW) -> p1_sha:sha(<<StreamID/binary, PW/binary>>) end,
JID = jid:make(U, Server, R),
case JID /= error andalso
acl:access_matches(Access,
#{usr => jid:split(JID), ip => IP},
JID#jid.lserver) == allow of
true ->
case ejabberd_auth:check_password_with_authmodule(
U, U, JID#jid.lserver, P, D, DGen) of
{true, AuthModule} ->
State1 = ejabberd_c2s:handle_auth_success(
U, <<"legacy">>, AuthModule, State),
State2 = State1#{user := U},
open_session(State2, IQ, R);
_ ->
Err = xmpp:make_error(IQ, xmpp:err_not_authorized()),
process_auth_failure(State, U, Err, 'not-authorized')
end;
false when JID == error ->
Err = xmpp:make_error(IQ, xmpp:err_jid_malformed()),
process_auth_failure(State, U, Err, 'jid-malformed');
false ->
Txt = <<"Denied by ACL">>,
Err = xmpp:make_error(IQ, xmpp:err_forbidden(Txt, Lang)),
process_auth_failure(State, U, Err, 'forbidden')
end.
open_session(State, IQ, R) ->
case ejabberd_c2s:bind(R, State) of
{ok, State1} ->
Res = xmpp:make_iq_result(IQ),
ejabberd_c2s:send(State1, Res);
{error, Err, State1} ->
Res = xmpp:make_error(IQ, Err),
ejabberd_c2s:send(State1, Res)
end.
process_auth_failure(State, User, StanzaErr, Reason) ->
State1 = ejabberd_c2s:send(State, StanzaErr),
ejabberd_c2s:handle_auth_failure(User, <<"legacy">>, Reason, State1).

62
src/mod_mam.erl
View File

@ -32,10 +32,10 @@
%% API
-export([start/2, stop/1, depends/2]).
-export([user_send_packet/4, user_send_packet_strip_tag/4, user_receive_packet/5,
-export([user_send_packet/1, user_send_packet_strip_tag/1, user_receive_packet/1,
process_iq_v0_2/1, process_iq_v0_3/1, disco_sm_features/5,
remove_user/2, remove_room/3, mod_opt_type/1, muc_process_iq/2,
muc_filter_message/5, message_is_archived/5, delete_old_messages/2,
muc_filter_message/5, message_is_archived/3, delete_old_messages/2,
get_commands_spec/0, msg_to_el/4, get_room_config/4, set_room_option/3]).
-include("xmpp.hrl").
@ -103,8 +103,6 @@ start(Host, Opts) ->
get_room_config, 50),
ejabberd_hooks:add(set_room_option, Host, ?MODULE,
set_room_option, 50),
ejabberd_hooks:add(anonymous_purge_hook, Host, ?MODULE,
remove_user, 50),
case gen_mod:get_opt(assume_mam_usage, Opts,
fun(B) when is_boolean(B) -> B end, false) of
true ->
@ -153,8 +151,6 @@ stop(Host) ->
get_room_config, 50),
ejabberd_hooks:delete(set_room_option, Host, ?MODULE,
set_room_option, 50),
ejabberd_hooks:delete(anonymous_purge_hook, Host,
?MODULE, remove_user, 50),
case gen_mod:get_module_opt(Host, ?MODULE, assume_mam_usage,
fun(B) when is_boolean(B) -> B end, false) of
true ->
@ -199,46 +195,50 @@ set_room_option(_Acc, {mam, Val}, _Lang) ->
set_room_option(Acc, _Property, _Lang) ->
Acc.
-spec user_receive_packet(stanza(), ejabberd_c2s:state(), jid(), jid(), jid()) -> stanza().
user_receive_packet(Pkt, C2SState, JID, Peer, _To) ->
-spec user_receive_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_receive_packet({Pkt, #{jid := JID} = C2SState}) ->
Peer = xmpp:get_from(Pkt),
LUser = JID#jid.luser,
LServer = JID#jid.lserver,
case should_archive(Pkt, LServer) of
Pkt2 = case should_archive(Pkt, LServer) of
true ->
NewPkt = strip_my_archived_tag(Pkt, LServer),
case store_msg(C2SState, NewPkt, LUser, LServer, Peer, recv) of
Pkt1 = strip_my_archived_tag(Pkt, LServer),
case store_msg(C2SState, Pkt1, LUser, LServer, Peer, recv) of
{ok, ID} ->
set_stanza_id(NewPkt, JID, ID);
set_stanza_id(Pkt1, JID, ID);
_ ->
NewPkt
Pkt1
end;
_ ->
Pkt
end.
end,
{Pkt2, C2SState}.
-spec user_send_packet(stanza(), ejabberd_c2s:state(), jid(), jid()) -> stanza().
user_send_packet(Pkt, C2SState, JID, Peer) ->
-spec user_send_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_send_packet({Pkt, #{jid := JID} = C2SState}) ->
Peer = xmpp:get_to(Pkt),
LUser = JID#jid.luser,
LServer = JID#jid.lserver,
case should_archive(Pkt, LServer) of
Pkt2 = case should_archive(Pkt, LServer) of
true ->
NewPkt = strip_my_archived_tag(Pkt, LServer),
case store_msg(C2SState, xmpp:set_from_to(NewPkt, JID, Peer),
Pkt1 = strip_my_archived_tag(Pkt, LServer),
case store_msg(C2SState, xmpp:set_from_to(Pkt1, JID, Peer),
LUser, LServer, Peer, send) of
{ok, ID} ->
set_stanza_id(NewPkt, JID, ID);
set_stanza_id(Pkt1, JID, ID);
_ ->
NewPkt
Pkt1
end;
false ->
Pkt
end.
end,
{Pkt2, C2SState}.
-spec user_send_packet_strip_tag(stanza(), ejabberd_c2s:state(),
jid(), jid()) -> stanza().
user_send_packet_strip_tag(Pkt, _C2SState, JID, _Peer) ->
-spec user_send_packet_strip_tag({stanza(), ejabberd_c2s:state()}) ->
{stanza(), ejabberd_c2s:state()}.
user_send_packet_strip_tag({Pkt, #{jid := JID} = C2SState}) ->
LServer = JID#jid.lserver,
strip_my_archived_tag(Pkt, LServer).
{strip_my_archived_tag(Pkt, LServer), C2SState}.
-spec muc_filter_message(message(), mod_muc_room:state(),
jid(), jid(), binary()) -> message().
@ -337,12 +337,12 @@ disco_sm_features({result, OtherFeatures},
disco_sm_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec message_is_archived(boolean(), ejabberd_c2s:state(),
jid(), jid(), message()) -> boolean().
message_is_archived(true, _C2SState, _Peer, _JID, _Pkt) ->
-spec message_is_archived(boolean(), ejabberd_c2s:state(), message()) -> boolean().
message_is_archived(true, _C2SState, _Pkt) ->
true;
message_is_archived(false, C2SState, Peer,
#jid{luser = LUser, lserver = LServer}, Pkt) ->
message_is_archived(false, #{jid := JID} = C2SState, Pkt) ->
#jid{luser = LUser, lserver = LServer} = JID,
Peer = xmpp:get_from(Pkt),
case gen_mod:get_module_opt(LServer, ?MODULE, assume_mam_usage,
fun(B) when is_boolean(B) -> B end, false) of
true ->

26
src/mod_metrics.erl
View File

@ -38,8 +38,8 @@
-export([offline_message_hook/3,
sm_register_connection_hook/3, sm_remove_connection_hook/3,
user_send_packet/4, user_receive_packet/5,
s2s_send_packet/3, s2s_receive_packet/3,
user_send_packet/1, user_receive_packet/1,
s2s_send_packet/3, s2s_receive_packet/1,
remove_user/2, register_user/2]).
%%====================================================================
@ -86,23 +86,27 @@ sm_register_connection_hook(_SID, #jid{lserver=LServer}, _Info) ->
sm_remove_connection_hook(_SID, #jid{lserver=LServer}, _Info) ->
push(LServer, sm_remove_connection).
-spec user_send_packet(stanza(), ejabberd_c2s:state(), jid(), jid()) -> stanza().
user_send_packet(Packet, _C2SState, #jid{lserver=LServer}, _To) ->
-spec user_send_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_send_packet({Packet, #{jid := #jid{lserver = LServer}} = C2SState}) ->
push(LServer, user_send_packet),
Packet.
{Packet, C2SState}.
-spec user_receive_packet(stanza(), ejabberd_c2s:state(), jid(), jid(), jid()) -> stanza().
user_receive_packet(Packet, _C2SState, _JID, _From, #jid{lserver=LServer}) ->
-spec user_receive_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_receive_packet({Packet, #{jid := #jid{lserver = LServer}} = C2SState}) ->
push(LServer, user_receive_packet),
Packet.
{Packet, C2SState}.
-spec s2s_send_packet(jid(), jid(), stanza()) -> any().
s2s_send_packet(#jid{lserver=LServer}, _To, _Packet) ->
push(LServer, s2s_send_packet).
-spec s2s_receive_packet(jid(), jid(), stanza()) -> any().
s2s_receive_packet(_From, #jid{lserver=LServer}, _Packet) ->
push(LServer, s2s_receive_packet).
-spec s2s_receive_packet({stanza(), ejabberd_s2s_in:state()}) ->
{stanza(), ejabberd_s2s_in:state()}.
s2s_receive_packet({Packet, S2SState}) ->
To = xmpp:get_to(Packet),
LServer = ejabberd_router:host_of_route(To#jid.lserver),
push(LServer, s2s_receive_packet),
{Packet, S2SState}.
-spec remove_user(binary(), binary()) -> any().
remove_user(_User, Server) ->

319
src/mod_muc.erl
View File

@ -49,12 +49,20 @@
process_register/1,
process_muc_unique/1,
process_mucsub/1,
broadcast_service_message/2,
broadcast_service_message/3,
export/1,
import_info/0,
import/5,
import_start/2,
opts_to_binary/1,
find_online_room/2,
register_online_room/3,
get_online_rooms/1,
count_online_rooms/1,
register_online_user/4,
unregister_online_user/4,
count_online_rooms_by_user/3,
get_online_rooms_by_user/3,
can_use_nick/4]).
-export([init/1, handle_call/3, handle_cast/2,
@ -63,7 +71,6 @@
-include("ejabberd.hrl").
-include("logger.hrl").
-include_lib("stdlib/include/ms_transform.hrl").
-include("xmpp.hrl").
-include("mod_muc.hrl").
@ -88,6 +95,16 @@
-callback get_rooms(binary(), binary()) -> [#muc_room{}].
-callback get_nick(binary(), binary(), jid()) -> binary() | error.
-callback set_nick(binary(), binary(), jid(), binary()) -> {atomic, ok | false}.
-callback register_online_room(binary(), binary(), pid()) -> any().
-callback unregister_online_room(binary(), binary(), pid()) -> any().
-callback find_online_room(binary(), binary()) -> {ok, pid()} | error.
-callback get_online_rooms(binary(), undefined | rsm_set()) -> [{binary(), binary(), pid()}].
-callback count_online_rooms(binary()) -> non_neg_integer().
-callback rsm_supported() -> boolean().
-callback register_online_user(ljid(), binary(), binary()) -> any().
-callback unregister_online_user(ljid(), binary(), binary()) -> any().
-callback count_online_rooms_by_user(binary(), binary()) -> non_neg_integer().
-callback get_online_rooms_by_user(binary(), binary()) -> [{binary(), binary()}].
%%====================================================================
%% API
@ -114,16 +131,17 @@ depends(_Host, _Opts) ->
[{mod_mam, soft}].
shutdown_rooms(Host) ->
RMod = gen_mod:ram_db_mod(Host, ?MODULE),
MyHost = gen_mod:get_module_opt_host(Host, mod_muc,
<<"conference.@HOST@">>),
Rooms = mnesia:dirty_select(muc_online_room,
[{#muc_online_room{name_host = '$1',
pid = '$2'},
[{'==', {element, 2, '$1'}, MyHost},
{'==', {node, '$2'}, node()}],
['$2']}]),
[Pid ! shutdown || Pid <- Rooms],
Rooms.
Rooms = RMod:get_online_rooms(MyHost, undefined),
lists:filter(
fun({_, _, Pid}) when node(Pid) == node() ->
Pid ! shutdown,
true;
(_) ->
false
end, Rooms).
%% This function is called by a room in three situations:
%% A) The owner of the room destroyed it
@ -165,6 +183,48 @@ can_use_nick(ServerHost, Host, JID, Nick) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:can_use_nick(LServer, Host, JID, Nick).
-spec find_online_room(binary(), binary()) -> {ok, pid()} | error.
find_online_room(Room, Host) ->
ServerHost = ejabberd_router:host_of_route(Host),
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:find_online_room(Room, Host).
-spec register_online_room(binary(), binary(), pid()) -> any().
register_online_room(Room, Host, Pid) ->
ServerHost = ejabberd_router:host_of_route(Host),
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:register_online_room(Room, Host, Pid).
-spec get_online_rooms(binary()) -> [{binary(), binary(), pid()}].
get_online_rooms(Host) ->
ServerHost = ejabberd_router:host_of_route(Host),
get_online_rooms(ServerHost, Host).
-spec count_online_rooms(binary()) -> non_neg_integer().
count_online_rooms(Host) ->
ServerHost = ejabberd_router:host_of_route(Host),
count_online_rooms(ServerHost, Host).
-spec register_online_user(binary(), ljid(), binary(), binary()) -> any().
register_online_user(ServerHost, LJID, Name, Host) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:register_online_user(LJID, Name, Host).
-spec unregister_online_user(binary(), ljid(), binary(), binary()) -> any().
unregister_online_user(ServerHost, LJID, Name, Host) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:unregister_online_user(LJID, Name, Host).
-spec count_online_rooms_by_user(binary(), binary(), binary()) -> non_neg_integer().
count_online_rooms_by_user(ServerHost, LUser, LServer) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:count_online_rooms_by_user(LUser, LServer).
-spec get_online_rooms_by_user(binary(), binary(), binary()) -> [{binary(), binary()}].
get_online_rooms_by_user(ServerHost, LUser, LServer) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:get_online_rooms_by_user(LUser, LServer).
%%====================================================================
%% gen_server callbacks
%%====================================================================
@ -175,16 +235,9 @@ init([Host, Opts]) ->
MyHost = gen_mod:get_opt_host(Host, Opts,
<<"conference.@HOST@">>),
Mod = gen_mod:db_mod(Host, Opts, ?MODULE),
RMod = gen_mod:ram_db_mod(Host, Opts, ?MODULE),
Mod:init(Host, [{host, MyHost}|Opts]),
update_tables(),
ejabberd_mnesia:create(?MODULE, muc_online_room,
[{ram_copies, [node()]},
{type, ordered_set},
{attributes, record_info(fields, muc_online_room)}]),
mnesia:add_table_copy(muc_online_room, node(), ram_copies),
catch ets:new(muc_online_users, [bag, named_table, public, {keypos, 2}]),
clean_table_from_bad_node(node(), MyHost),
mnesia:subscribe(system),
RMod:init(Host, [{host, MyHost}|Opts]),
Access = gen_mod:get_opt(access, Opts,
fun acl:access_rules_validator/1, all),
AccessCreate = gen_mod:get_opt(access_create, Opts,
@ -298,7 +351,8 @@ handle_call({create, Room, From, Nick, Opts}, _From,
Room, HistorySize,
RoomShaper, From,
Nick, NewOpts),
register_room(Host, Room, Pid),
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:register_online_room(Room, Host, Pid),
{reply, ok, State}.
handle_cast(_Msg, State) -> {noreply, State}.
@ -317,18 +371,14 @@ handle_info({route, From, To, Packet},
ok
end,
{noreply, State};
handle_info({room_destroyed, RoomHost, Pid}, State) ->
F = fun () ->
mnesia:delete_object(#muc_online_room{name_host =
RoomHost,
pid = Pid})
end,
mnesia:transaction(F),
handle_info({room_destroyed, {Room, Host}, Pid}, State) ->
ServerHost = State#state.server_host,
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:unregister_online_room(Room, Host, Pid),
{noreply, State};
handle_info({mnesia_system_event, {mnesia_down, Node}}, State) ->
clean_table_from_bad_node(Node),
{noreply, State};
handle_info(_Info, State) -> {noreply, State}.
handle_info(Info, State) ->
?ERROR_MSG("unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, #state{host = MyHost}) ->
ejabberd_router:unregister_route(MyHost),
@ -374,7 +424,7 @@ do_route1(Host, ServerHost, Access, _HistorySize, _RoomShaper,
case acl:match_rule(ServerHost, AccessAdmin, From) of
allow ->
Msg = xmpp:get_text(Body),
broadcast_service_message(Host, Msg);
broadcast_service_message(ServerHost, Host, Msg);
deny ->
ErrText = <<"Only service administrators are allowed "
"to send service messages">>,
@ -390,8 +440,9 @@ do_route1(Host, ServerHost, Access, HistorySize, RoomShaper,
From, To, Packet, DefRoomOpts) ->
{_AccessRoute, AccessCreate, _AccessAdmin, _AccessPersistent} = Access,
{Room, _, Nick} = jid:tolower(To),
case mnesia:dirty_read(muc_online_room, {Room, Host}) of
[] ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
case RMod:find_online_room(Room, Host) of
error ->
case is_create_request(Packet) of
true ->
case check_user_can_create_room(
@ -402,7 +453,7 @@ do_route1(Host, ServerHost, Access, HistorySize, RoomShaper,
Host, ServerHost, Access,
Room, HistorySize,
RoomShaper, From, Nick, DefRoomOpts),
register_room(Host, Room, Pid),
RMod:register_online_room(Room, Host, Pid),
mod_muc_room:route(Pid, From, Nick, Packet),
ok;
false ->
@ -417,8 +468,7 @@ do_route1(Host, ServerHost, Access, HistorySize, RoomShaper,
Err = xmpp:err_item_not_found(ErrText, Lang),
ejabberd_router:route_error(To, From, Packet, Err)
end;
[R] ->
Pid = R#muc_online_room.pid,
{ok, Pid} ->
?DEBUG("MUC: send to process ~p~n", [Pid]),
mod_muc_room:route(Pid, From, Nick, Packet),
ok
@ -462,15 +512,20 @@ process_disco_info(#iq{type = set, lang = Lang} = IQ) ->
process_disco_info(#iq{type = get, to = To, lang = Lang,
sub_els = [#disco_info{node = <<"">>}]} = IQ) ->
ServerHost = ejabberd_router:host_of_route(To#jid.lserver),
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
X = ejabberd_hooks:run_fold(disco_info, ServerHost, [],
[ServerHost, ?MODULE, <<"">>, Lang]),
MAMFeatures = case gen_mod:is_loaded(ServerHost, mod_mam) of
true -> [?NS_MAM_TMP, ?NS_MAM_0, ?NS_MAM_1];
false -> []
end,
RSMFeatures = case RMod:rsm_supported() of
true -> [?NS_RSM];
false -> []
end,
Features = [?NS_DISCO_INFO, ?NS_DISCO_ITEMS,
?NS_REGISTER, ?NS_MUC, ?NS_RSM,
?NS_VCARD, ?NS_MUCSUB, ?NS_MUC_UNIQUE | MAMFeatures],
?NS_REGISTER, ?NS_MUC, ?NS_VCARD, ?NS_MUCSUB, ?NS_MUC_UNIQUE
| RSMFeatures ++ MAMFeatures],
Identity = #identity{category = <<"conference">>,
type = <<"text">>,
name = translate:translate(Lang, <<"Chatrooms">>)},
@ -497,7 +552,8 @@ process_disco_items(#iq{type = get, from = From, to = To, lang = Lang,
ServerHost, ?MODULE, max_rooms_discoitems,
fun(I) when is_integer(I), I>=0 -> I end,
100),
case iq_disco_items(Host, From, Lang, MaxRoomsDiscoItems, Node, RSM) of
case iq_disco_items(ServerHost, Host, From, Lang,
MaxRoomsDiscoItems, Node, RSM) of
{error, Err} ->
xmpp:make_error(IQ, Err);
{result, Result} ->
@ -564,17 +620,19 @@ get_rooms(ServerHost, Host) ->
load_permanent_rooms(Host, ServerHost, Access,
HistorySize, RoomShaper) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
lists:foreach(
fun(R) ->
{Room, Host} = R#muc_room.name_host,
case mnesia:dirty_read(muc_online_room, {Room, Host}) of
[] ->
case RMod:find_online_room(Room, Host) of
error ->
{ok, Pid} = mod_muc_room:start(Host,
ServerHost, Access, Room,
HistorySize, RoomShaper,
R#muc_room.opts),
register_room(Host, Room, Pid);
_ -> ok
RMod:register_online_room(Room, Host, Pid);
{ok, _} ->
ok
end
end,
get_rooms(ServerHost, Host)).
@ -594,19 +652,12 @@ start_new_room(Host, ServerHost, Access, Room,
HistorySize, RoomShaper, Opts)
end.
register_room(Host, Room, Pid) ->
F = fun() ->
mnesia:write(#muc_online_room{name_host = {Room, Host},
pid = Pid})
end,
mnesia:transaction(F).
-spec iq_disco_items(binary(), jid(), binary(), integer(), binary(),
-spec iq_disco_items(binary(), binary(), jid(), binary(), integer(), binary(),
rsm_set() | undefined) ->
{result, disco_items()} | {error, stanza_error()}.
iq_disco_items(Host, From, Lang, MaxRoomsDiscoItems, Node, RSM)
iq_disco_items(ServerHost, Host, From, Lang, MaxRoomsDiscoItems, Node, RSM)
when Node == <<"">>; Node == <<"nonemptyrooms">>; Node == <<"emptyrooms">> ->
Count = get_vh_rooms_count(Host),
Count = count_online_rooms(ServerHost, Host),
Query = if Node == <<"">>, RSM == undefined, Count > MaxRoomsDiscoItems ->
{get_disco_item, only_non_empty, From, Lang};
Node == <<"nonemptyrooms">> ->
@ -616,7 +667,13 @@ iq_disco_items(Host, From, Lang, MaxRoomsDiscoItems, Node, RSM)
true ->
{get_disco_item, all, From, Lang}
end,
Items = get_vh_rooms(Host, Query, RSM),
Items = lists:flatmap(
fun(R) ->
case get_room_disco_item(R, Query) of
{ok, Item} -> [Item];
{error, _} -> []
end
end, get_online_rooms(ServerHost, Host, RSM)),
ResRSM = case Items of
[_|_] when RSM /= undefined ->
#disco_item{jid = #jid{luser = First}} = hd(Items),
@ -630,69 +687,13 @@ iq_disco_items(Host, From, Lang, MaxRoomsDiscoItems, Node, RSM)
undefined
end,
{result, #disco_items{node = Node, items = Items, rsm = ResRSM}};
iq_disco_items(_Host, _From, Lang, _MaxRoomsDiscoItems, _Node, _RSM) ->
iq_disco_items(_ServerHost, _Host, _From, Lang, _MaxRoomsDiscoItems, _Node, _RSM) ->
{error, xmpp:err_item_not_found(<<"Node not found">>, Lang)}.
-spec get_vh_rooms(binary, term(), rsm_set() | undefined) -> [disco_item()].
get_vh_rooms(Host, Query,
#rsm_set{max = Max, 'after' = After, before = undefined})
when is_binary(After), After /= <<"">> ->
lists:reverse(get_vh_rooms(next, {After, Host}, Host, Query, 0, Max, []));
get_vh_rooms(Host, Query,
#rsm_set{max = Max, 'after' = undefined, before = Before})
when is_binary(Before), Before /= <<"">> ->
get_vh_rooms(prev, {Before, Host}, Host, Query, 0, Max, []);
get_vh_rooms(Host, Query,
#rsm_set{max = Max, 'after' = undefined, before = <<"">>}) ->
get_vh_rooms(last, {<<"">>, Host}, Host, Query, 0, Max, []);
get_vh_rooms(Host, Query, #rsm_set{max = Max}) ->
lists:reverse(get_vh_rooms(first, {<<"">>, Host}, Host, Query, 0, Max, []));
get_vh_rooms(Host, Query, undefined) ->
lists:reverse(get_vh_rooms(first, {<<"">>, Host}, Host, Query, 0, undefined, [])).
-spec get_vh_rooms(prev | next | last | first,
{binary(), binary()}, binary(), term(),
non_neg_integer(), non_neg_integer() | undefined,
[disco_item()]) -> [disco_item()].
get_vh_rooms(_Action, _Key, _Host, _Query, Count, Max, Items) when Count >= Max ->
Items;
get_vh_rooms(Action, Key, Host, Query, Count, Max, Items) ->
Call = fun() ->
case Action of
prev -> mnesia:dirty_prev(muc_online_room, Key);
next -> mnesia:dirty_next(muc_online_room, Key);
last -> mnesia:dirty_last(muc_online_room);
first -> mnesia:dirty_first(muc_online_room)
end
end,
NewAction = case Action of
last -> prev;
first -> next;
_ -> Action
end,
try Call() of
'$end_of_table' ->
Items;
{_, Host} = NewKey ->
case get_room_disco_item(NewKey, Query) of
{ok, Item} ->
get_vh_rooms(NewAction, NewKey, Host, Query,
Count + 1, Max, [Item|Items]);
{error, _} ->
get_vh_rooms(NewAction, NewKey, Host, Query,
Count, Max, Items)
end;
NewKey ->
get_vh_rooms(NewAction, NewKey, Host, Query, Count, Max, Items)
catch _:{aborted, {badarg, _}} ->
Items
end.
-spec get_room_disco_item({binary(), binary()}, term()) -> {ok, disco_item()} |
-spec get_room_disco_item({binary(), binary(), pid()},
term()) -> {ok, disco_item()} |
{error, timeout | notfound}.
get_room_disco_item({Name, Host}, Query) ->
case mnesia:dirty_read(muc_online_room, {Name, Host}) of
[#muc_online_room{pid = Pid}|_] ->
get_room_disco_item({Name, Host, Pid}, Query) ->
RoomJID = jid:make(Name, Host),
try gen_fsm:sync_send_all_state_event(Pid, Query, 100) of
{item, Desc} ->
@ -703,16 +704,13 @@ get_room_disco_item({Name, Host}, Query) ->
{error, timeout};
_:{noproc, _} ->
{error, notfound}
end;
_ ->
{error, notfound}
end.
get_subscribed_rooms(_ServerHost, Host, From) ->
Rooms = get_vh_rooms(Host),
get_subscribed_rooms(ServerHost, Host, From) ->
Rooms = get_online_rooms(ServerHost, Host),
BareFrom = jid:remove_resource(From),
lists:flatmap(
fun(#muc_online_room{name_host = {Name, _}, pid = Pid}) ->
fun({Name, _, Pid}) ->
case gen_fsm:sync_send_all_state_event(Pid, {is_subscribed, BareFrom}) of
true -> [jid:make(Name, Host)];
false -> []
@ -793,72 +791,28 @@ process_iq_register_set(ServerHost, Host, From,
{error, xmpp:err_not_acceptable(ErrText, Lang)}
end.
broadcast_service_message(Host, Msg) ->
-spec broadcast_service_message(binary(), binary(), message()) -> ok.
broadcast_service_message(ServerHost, Host, Msg) ->
lists:foreach(
fun(#muc_online_room{pid = Pid}) ->
fun({_, _, Pid}) ->
gen_fsm:send_all_state_event(
Pid, {service_message, Msg})
end, get_vh_rooms(Host)).
end, get_online_rooms(ServerHost, Host)).
-spec get_online_rooms(binary(), binary()) -> [{binary(), binary(), pid()}].
get_online_rooms(ServerHost, Host) ->
get_online_rooms(ServerHost, Host, undefined).
get_vh_rooms(Host) ->
mnesia:dirty_select(muc_online_room,
[{#muc_online_room{name_host = '$1', _ = '_'},
[{'==', {element, 2, '$1'}, Host}],
['$_']}]).
-spec get_online_rooms(binary(), binary(), undefined | rsm_set()) ->
[{binary(), binary(), pid()}].
get_online_rooms(ServerHost, Host, RSM) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:get_online_rooms(Host, RSM).
-spec get_vh_rooms_count(binary()) -> non_neg_integer().
get_vh_rooms_count(Host) ->
ets:select_count(muc_online_room,
ets:fun2ms(
fun(#muc_online_room{name_host = {_, H}}) ->
H == Host
end)).
clean_table_from_bad_node(Node) ->
F = fun() ->
Es = mnesia:select(
muc_online_room,
[{#muc_online_room{pid = '$1', _ = '_'},
[{'==', {node, '$1'}, Node}],
['$_']}]),
lists:foreach(fun(E) ->
mnesia:delete_object(E)
end, Es)
end,
mnesia:async_dirty(F).
clean_table_from_bad_node(Node, Host) ->
F = fun() ->
Es = mnesia:select(
muc_online_room,
[{#muc_online_room{pid = '$1',
name_host = {'_', Host},
_ = '_'},
[{'==', {node, '$1'}, Node}],
['$_']}]),
lists:foreach(fun(E) ->
mnesia:delete_object(E)
end, Es)
end,
mnesia:async_dirty(F).
update_tables() ->
try
case mnesia:table_info(muc_online_room, type) of
ordered_set -> ok;
_ ->
case mnesia:delete_table(muc_online_room) of
{atomic, ok} -> ok;
Err -> erlang:error(Err)
end
end
catch _:{aborted, {no_exists, muc_online_room}} -> ok;
_:{aborted, {no_exists, muc_online_room, type}} -> ok;
E:R ->
?ERROR_MSG("failed to update mnesia table '~s': ~p",
[muc_online_room, {E, R}])
end.
-spec count_online_rooms(binary(), binary()) -> non_neg_integer().
count_online_rooms(ServerHost, Host) ->
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
RMod:count_online_rooms(Host).
opts_to_binary(Opts) ->
lists:map(
@ -922,6 +876,7 @@ mod_opt_type(access_create) ->
mod_opt_type(access_persistent) ->
fun acl:access_rules_validator/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(ram_db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(default_room_options) ->
fun (L) when is_list(L) -> L end;
mod_opt_type(history_size) ->
@ -963,7 +918,7 @@ mod_opt_type(user_presence_shaper) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(_) ->
[access, access_admin, access_create, access_persistent,
db_type, default_room_options, history_size, host,
db_type, ram_db_type, default_room_options, history_size, host,
max_room_desc, max_room_id, max_room_name,
max_rooms_discoitems, max_user_conferences, max_users,
max_users_admin_threshold, max_users_presence,

136
src/mod_muc_admin.erl
View File

@ -45,7 +45,6 @@
-include("logger.hrl").
-include("xmpp.hrl").
-include("mod_muc_room.hrl").
-include("mod_muc.hrl").
-include("ejabberd_http.hrl").
-include("ejabberd_web_admin.hrl").
-include("ejabberd_commands.hrl").
@ -224,22 +223,12 @@ get_commands_spec() ->
%%%
muc_online_rooms(ServerHost) ->
MUCHost = find_host(ServerHost),
Rooms = ets:tab2list(muc_online_room),
lists:foldl(
fun(Room, Results) ->
{Roomname, Host} = Room#muc_online_room.name_host,
case MUCHost of
global ->
[<<Roomname/binary, "@", Host/binary>> | Results];
Host ->
[<<Roomname/binary, "@", Host/binary>> | Results];
_ ->
Results
end
end,
[],
Rooms).
Hosts = find_hosts(ServerHost),
lists:flatmap(
fun(Host) ->
[{<<Name/binary, "@", Host/binary>>}
|| {Name, _, _} <- mod_muc:get_online_rooms(Host)]
end, Hosts).
muc_unregister_nick(Nick) ->
F2 = fun(N) ->
@ -254,14 +243,18 @@ muc_unregister_nick(Nick) ->
end.
get_user_rooms(LUser, LServer) ->
US = {LUser, LServer},
case catch ets:select(muc_online_users,
[{#muc_online_users{us = US, room='$1', host='$2', _ = '_'}, [], [{{'$1', '$2'}}]}])
of
Res when is_list(Res) ->
[<<R/binary, "@", H/binary>> || {R, H} <- Res];
_ -> []
end.
lists:flatmap(
fun(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
Rooms = mod_muc:get_online_rooms_by_user(
ServerHost, LUser, LServer),
[<<Name/binary, "@", Host/binary>>
|| {Name, Host} <- Rooms];
false ->
[]
end
end, ?MYHOSTS).
%%----------------------------
%% Ad-hoc commands
@ -291,10 +284,14 @@ web_menu_host(Acc, _Host, Lang) ->
])).
web_page_main(_, #request{path=[<<"muc">>], lang = Lang} = _Request) ->
OnlineRoomsNumber = lists:foldl(
fun(Host, Acc) ->
Acc ++ mod_muc:count_online_rooms(Host)
end, 0, find_hosts(global)),
Res = [?XCT(<<"h1">>, <<"Multi-User Chat">>),
?XCT(<<"h3">>, <<"Statistics">>),
?XAE(<<"table">>, [],
[?XE(<<"tbody">>, [?TDTD(<<"Total rooms">>, ets:info(muc_online_room, size)),
[?XE(<<"tbody">>, [?TDTD(<<"Total rooms">>, OnlineRoomsNumber),
?TDTD(<<"Permanent rooms">>, mnesia:table_info(muc_room, size)),
?TDTD(<<"Registered nicknames">>, mnesia:table_info(muc_registered, size))
])
@ -473,8 +470,8 @@ create_room_with_opts(Name1, Host1, ServerHost, CustomRoomOpts) ->
RoomShaper = gen_mod:get_module_opt(ServerHost, mod_muc, room_shaper, fun(X) -> X end, none),
%% If the room does not exist yet in the muc_online_room
case mnesia:dirty_read(muc_online_room, {Name, Host}) of
[] ->
case mod_muc:find_online_room(Name, Host) of
error ->
%% Start the room
{ok, Pid} = mod_muc_room:start(
Host,
@ -484,19 +481,12 @@ create_room_with_opts(Name1, Host1, ServerHost, CustomRoomOpts) ->
HistorySize,
RoomShaper,
RoomOpts),
{atomic, ok} = register_room(Host, Name, Pid),
mod_muc:register_online_room(Host, Name, Pid),
ok;
_ ->
{ok, _} ->
error
end.
register_room(Host, Name, Pid) ->
F = fun() ->
mnesia:write(#muc_online_room{name_host = {Name, Host},
pid = Pid})
end,
mnesia:transaction(F).
%% Create the room only in the database.
%% It is required to restart the MUC service for the room to appear.
muc_create_room(ServerHost, {Name, Host, _}, DefRoomOpts) ->
@ -509,12 +499,11 @@ muc_create_room(ServerHost, {Name, Host, _}, DefRoomOpts) ->
%% If the room has participants, they are not notified that the room was destroyed;
%% they will notice when they try to chat and receive an error that the room doesn't exist.
destroy_room(Name, Service) ->
case mnesia:dirty_read(muc_online_room, {Name, Service}) of
[R] ->
Pid = R#muc_online_room.pid,
case mod_muc:find_online_room(Name, Service) of
{ok, Pid} ->
gen_fsm:send_all_state_event(Pid, destroy),
ok;
[] ->
error ->
error
end.
@ -619,19 +608,12 @@ muc_unused2(Action, ServerHost, Host, Last_allowed) ->
%%---------------
%% Get info
get_rooms(Host) ->
Get_room_names = fun(Room_reg, Names) ->
Pid = Room_reg#muc_online_room.pid,
case {Host, Room_reg#muc_online_room.name_host} of
{Host, {Name1, Host}} ->
[{Name1, Host, Pid} | Names];
{global, {Name1, Host1}} ->
[{Name1, Host1, Pid} | Names];
_ ->
Names
end
end,
ets:foldr(Get_room_names, [], muc_online_room).
get_rooms(ServerHost) ->
Hosts = find_hosts(ServerHost),
lists:flatmap(
fun(Host) ->
mod_muc:get_online_rooms(Host)
end, Hosts).
get_room_config(Room_pid) ->
{ok, R} = gen_fsm:sync_send_all_state_event(Room_pid, get_config),
@ -830,11 +812,11 @@ format_room_option(OptionString, ValueString) ->
%% @doc Get the Pid of an existing MUC room, or 'room_not_found'.
get_room_pid(Name, Service) ->
case mnesia:dirty_read(muc_online_room, {Name, Service}) of
[] ->
case mod_muc:find_online_room(Name, Service) of
error ->
room_not_found;
[Room] ->
Room#muc_online_room.pid
{ok, Pid} ->
Pid
end.
%% It is required to put explicitely all the options because
@ -901,10 +883,9 @@ get_options(Config) ->
%% [{JID::string(), Domain::string(), Role::string(), Reason::string()}]
%% @doc Get the affiliations of the room Name@Service.
get_room_affiliations(Name, Service) ->
case mnesia:dirty_read(muc_online_room, {Name, Service}) of
[R] ->
case mod_muc:find_online_room(Name, Service) of
{ok, Pid} ->
%% Get the PID of the online room, then request its state
Pid = R#muc_online_room.pid,
{ok, StateData} = gen_fsm:sync_send_all_state_event(Pid, get_state),
Affiliations = ?DICT:to_list(StateData#state.affiliations),
lists:map(
@ -913,7 +894,7 @@ get_room_affiliations(Name, Service) ->
({{Uname, Domain, _Res}, Aff}) when is_atom(Aff)->
{Uname, Domain, Aff, <<>>}
end, Affiliations);
[] ->
error ->
throw({error, "The room does not exist."})
end.
@ -931,14 +912,13 @@ get_room_affiliations(Name, Service) ->
%% In any other case the action will be to create the affiliation.
set_room_affiliation(Name, Service, JID, AffiliationString) ->
Affiliation = jlib:binary_to_atom(AffiliationString),
case mnesia:dirty_read(muc_online_room, {Name, Service}) of
[R] ->
case mod_muc:find_online_room(Name, Service) of
{ok, Pid} ->
%% Get the PID for the online room so we can get the state of the room
Pid = R#muc_online_room.pid,
{ok, StateData} = gen_fsm:sync_send_all_state_event(Pid, {process_item_change, {jid:from_string(JID), affiliation, Affiliation, <<"">>}, <<"">>}),
mod_muc:store_room(StateData#state.server_host, StateData#state.host, StateData#state.room, make_opts(StateData)),
ok;
[] ->
error ->
error
end.
@ -1074,4 +1054,28 @@ find_host(ServerHost) when is_list(ServerHost) ->
find_host(ServerHost) ->
gen_mod:get_module_opt_host(ServerHost, mod_muc, <<"conference.@HOST@">>).
find_hosts(Global) when Global == global;
Global == "global";
Global == <<"global">> ->
lists:flatmap(
fun(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
[gen_mod:get_module_opt_host(
ServerHost, mod_muc, <<"conference.@HOST@">>)];
false ->
[]
end
end, ?MYHOSTS);
find_hosts(ServerHost) when is_list(ServerHost) ->
find_hosts(list_to_binary(ServerHost));
find_hosts(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
[gen_mod:get_module_opt_host(
ServerHost, mod_muc, <<"conference.@HOST@">>)];
false ->
[]
end.
mod_opt_type(_) -> [].

11
src/mod_muc_log.erl
View File

@ -47,7 +47,6 @@
-include("logger.hrl").
-include("xmpp.hrl").
-include("mod_muc.hrl").
-include("mod_muc_room.hrl").
-define(T(Text), translate:translate(Lang, Text)).
@ -1169,13 +1168,11 @@ get_room_occupants(RoomJIDString) ->
-spec get_room_state(binary(), binary()) -> mod_muc_room:state().
get_room_state(RoomName, MucService) ->
case mnesia:dirty_read(muc_online_room,
{RoomName, MucService})
of
[R] ->
RoomPid = R#muc_online_room.pid,
case mod_muc:find_online_room(RoomName, MucService) of
{ok, RoomPid} ->
get_room_state(RoomPid);
[] -> #state{}
error ->
#state{}
end.
-spec get_room_state(pid()) -> mod_muc_room:state().

250
src/mod_muc_mnesia.erl
View File

@ -30,28 +30,34 @@
%% API
-export([init/2, import/3, store_room/4, restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4]).
-export([register_online_room/3, unregister_online_room/3, find_online_room/2,
get_online_rooms/2, count_online_rooms/1, rsm_supported/0,
register_online_user/3, unregister_online_user/3,
count_online_rooms_by_user/2, get_online_rooms_by_user/2]).
-export([set_affiliation/6, set_affiliations/4, get_affiliation/5,
get_affiliations/3, search_affiliation/4]).
%% gen_server callbacks
-export([init/1, handle_cast/2, handle_call/3, handle_info/2,
terminate/2, code_change/3]).
-include("jlib.hrl").
-include("mod_muc.hrl").
-include("logger.hrl").
-include("xmpp.hrl").
-include_lib("stdlib/include/ms_transform.hrl").
-record(state, {}).
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, Opts) ->
MyHost = proplists:get_value(host, Opts),
ejabberd_mnesia:create(?MODULE, muc_room,
[{disc_copies, [node()]},
{attributes,
record_info(fields, muc_room)}]),
ejabberd_mnesia:create(?MODULE, muc_registered,
[{disc_copies, [node()]},
{attributes,
record_info(fields, muc_registered)},
{index, [nick]}]),
update_tables(MyHost).
init(Host, Opts) ->
Name = gen_mod:get_module_proc(Host, ?MODULE),
case gen_server:start_link({local, Name}, ?MODULE, [Host, Opts], []) of
{ok, _Pid} ->
ok;
Err ->
Err
end.
store_room(_LServer, Host, Name, Opts) ->
F = fun () ->
@ -148,6 +154,123 @@ get_affiliations(_ServerHost, _Room, _Host) ->
search_affiliation(_ServerHost, _Room, _Host, _Affiliation) ->
{error, not_implemented}.
register_online_room(Room, Host, Pid) ->
F = fun() ->
mnesia:write(
#muc_online_room{name_host = {Room, Host}, pid = Pid})
end,
mnesia:transaction(F).
unregister_online_room(Room, Host, Pid) ->
F = fun () ->
mnesia:delete_object(
#muc_online_room{name_host = {Room, Host}, pid = Pid})
end,
mnesia:transaction(F).
find_online_room(Room, Host) ->
case mnesia:dirty_read(muc_online_room, {Room, Host}) of
[] -> error;
[#muc_online_room{pid = Pid}] -> {ok, Pid}
end.
count_online_rooms(Host) ->
ets:select_count(
muc_online_room,
ets:fun2ms(
fun(#muc_online_room{name_host = {_, H}}) ->
H == Host
end)).
get_online_rooms(Host,
#rsm_set{max = Max, 'after' = After, before = undefined})
when is_binary(After), After /= <<"">> ->
lists:reverse(get_online_rooms(next, {After, Host}, Host, 0, Max, []));
get_online_rooms(Host,
#rsm_set{max = Max, 'after' = undefined, before = Before})
when is_binary(Before), Before /= <<"">> ->
get_online_rooms(prev, {Before, Host}, Host, 0, Max, []);
get_online_rooms(Host,
#rsm_set{max = Max, 'after' = undefined, before = <<"">>}) ->
get_online_rooms(last, {<<"">>, Host}, Host, 0, Max, []);
get_online_rooms(Host, #rsm_set{max = Max}) ->
lists:reverse(get_online_rooms(first, {<<"">>, Host}, Host, 0, Max, []));
get_online_rooms(Host, undefined) ->
mnesia:dirty_select(
muc_online_room,
ets:fun2ms(
fun(#muc_online_room{name_host = {Name, H}, pid = Pid})
when H == Host -> {Name, Host, Pid}
end)).
-spec get_online_rooms(prev | next | last | first,
{binary(), binary()}, binary(),
non_neg_integer(), non_neg_integer() | undefined,
[{binary(), binary(), pid()}]) ->
[{binary(), binary(), pid()}].
get_online_rooms(_Action, _Key, _Host, Count, Max, Items) when Count >= Max ->
Items;
get_online_rooms(Action, Key, Host, Count, Max, Items) ->
Call = fun() ->
case Action of
prev -> mnesia:dirty_prev(muc_online_room, Key);
next -> mnesia:dirty_next(muc_online_room, Key);
last -> mnesia:dirty_last(muc_online_room);
first -> mnesia:dirty_first(muc_online_room)
end
end,
NewAction = case Action of
last -> prev;
first -> next;
_ -> Action
end,
try Call() of
'$end_of_table' ->
Items;
{Room, Host} = NewKey ->
case find_online_room(Room, Host) of
{ok, Pid} ->
get_online_rooms(NewAction, NewKey, Host,
Count + 1, Max, [{Room, Host, Pid}|Items]);
{error, _} ->
get_online_rooms(NewAction, NewKey, Host,
Count, Max, Items)
end;
NewKey ->
get_online_rooms(NewAction, NewKey, Host, Count, Max, Items)
catch _:{aborted, {badarg, _}} ->
Items
end.
rsm_supported() ->
true.
register_online_user({U, S, R}, Room, Host) ->
ets:insert(muc_online_users,
#muc_online_users{us = {U, S}, resource = R,
room = Room, host = Host}).
unregister_online_user({U, S, R}, Room, Host) ->
ets:delete_object(muc_online_users,
#muc_online_users{us = {U, S}, resource = R,
room = Room, host = Host}).
count_online_rooms_by_user(U, S) ->
ets:select_count(
muc_online_users,
ets:fun2ms(
fun(#muc_online_users{us = {U1, S1}}) ->
U == U1 andalso S == S1
end)).
get_online_rooms_by_user(U, S) ->
ets:select(
muc_online_users,
ets:fun2ms(
fun(#muc_online_users{us = {U1, S1}, room = Room, host = Host})
when U == U1 andalso S == S1 -> {Room, Host}
end)).
import(_LServer, <<"muc_room">>,
[Name, RoomHost, SOpts, _TimeStamp]) ->
Opts = mod_muc:opts_to_binary(ejabberd_sql:decode_term(SOpts)),
@ -161,9 +284,93 @@ import(_LServer, <<"muc_registered">>,
#muc_registered{us_host = {{U, S}, RoomHost},
nick = Nick}).
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
init([Host, Opts]) ->
MyHost = proplists:get_value(host, Opts),
case gen_mod:db_mod(Host, Opts, mod_muc) of
?MODULE ->
ejabberd_mnesia:create(?MODULE, muc_room,
[{disc_copies, [node()]},
{attributes,
record_info(fields, muc_room)}]),
ejabberd_mnesia:create(?MODULE, muc_registered,
[{disc_copies, [node()]},
{attributes,
record_info(fields, muc_registered)},
{index, [nick]}]),
update_tables(MyHost);
_ ->
ok
end,
case gen_mod:ram_db_mod(Host, Opts, mod_muc) of
?MODULE ->
update_muc_online_table(),
ejabberd_mnesia:create(?MODULE, muc_online_room,
[{ram_copies, [node()]},
{type, ordered_set},
{attributes, record_info(fields, muc_online_room)}]),
mnesia:add_table_copy(muc_online_room, node(), ram_copies),
catch ets:new(muc_online_users, [bag, named_table, public, {keypos, 2}]),
clean_table_from_bad_node(node(), MyHost),
mnesia:subscribe(system);
_ ->
ok
end,
{ok, #state{}}.
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info({mnesia_system_event, {mnesia_down, Node}}, State) ->
clean_table_from_bad_node(Node),
{noreply, State};
handle_info(Info, State) ->
?ERROR_MSG("unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
clean_table_from_bad_node(Node) ->
F = fun() ->
Es = mnesia:select(
muc_online_room,
[{#muc_online_room{pid = '$1', _ = '_'},
[{'==', {node, '$1'}, Node}],
['$_']}]),
lists:foreach(fun(E) ->
mnesia:delete_object(E)
end, Es)
end,
mnesia:async_dirty(F).
clean_table_from_bad_node(Node, Host) ->
F = fun() ->
Es = mnesia:select(
muc_online_room,
[{#muc_online_room{pid = '$1',
name_host = {'_', Host},
_ = '_'},
[{'==', {node, '$1'}, Node}],
['$_']}]),
lists:foreach(fun(E) ->
mnesia:delete_object(E)
end, Es)
end,
mnesia:async_dirty(F).
update_tables(Host) ->
update_muc_room_table(Host),
update_muc_registered_table(Host).
@ -204,3 +411,20 @@ update_muc_registered_table(_Host) ->
?INFO_MSG("Recreating muc_registered table", []),
mnesia:transform_table(muc_registered, ignore, Fields)
end.
update_muc_online_table() ->
try
case mnesia:table_info(muc_online_room, type) of
ordered_set -> ok;
_ ->
case mnesia:delete_table(muc_online_room) of
{atomic, ok} -> ok;
Err -> erlang:error(Err)
end
end
catch _:{aborted, {no_exists, muc_online_room}} -> ok;
_:{aborted, {no_exists, muc_online_room, type}} -> ok;
E:R ->
?ERROR_MSG("failed to update mnesia table '~s': ~p",
[muc_online_room, {E, R, erlang:get_stacktrace()}])
end.

36
src/mod_muc_riak.erl
View File

@ -30,10 +30,14 @@
%% API
-export([init/2, import/3, store_room/4, restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4]).
-export([register_online_room/3, unregister_online_room/3, find_online_room/2,
get_online_rooms/2, count_online_rooms/1, rsm_supported/0,
register_online_user/3, unregister_online_user/3,
count_online_rooms_by_user/2, get_online_rooms_by_user/2]).
-export([set_affiliation/6, set_affiliations/4, get_affiliation/5,
get_affiliations/3, search_affiliation/4]).
-include("jlib.hrl").
-include("jid.hrl").
-include("mod_muc.hrl").
%%%===================================================================
@ -136,6 +140,36 @@ get_affiliations(_ServerHost, _Room, _Host) ->
search_affiliation(_ServerHost, _Room, _Host, _Affiliation) ->
{error, not_implemented}.
register_online_room(_, _, _) ->
erlang:error(not_implemented).
unregister_online_room(_, _, _) ->
erlang:error(not_implemented).
find_online_room(_, _) ->
erlang:error(not_implemented).
count_online_rooms(_) ->
erlang:error(not_implemented).
get_online_rooms(_, _) ->
erlang:error(not_implemented).
rsm_supported() ->
false.
register_online_user(_, _, _) ->
erlang:error(not_implemented).
unregister_online_user(_, _, _) ->
erlang:error(not_implemented).
count_online_rooms_by_user(_, _) ->
erlang:error(not_implemented).
get_online_rooms_by_user(_, _) ->
erlang:error(not_implemented).
import(_LServer, <<"muc_room">>,
[Name, RoomHost, SOpts, _TimeStamp]) ->
Opts = mod_muc:opts_to_binary(ejabberd_sql:decode_term(SOpts)),

35
src/mod_muc_room.erl
View File

@ -1791,7 +1791,7 @@ add_new_user(From, Nick, Packet, StateData) ->
Affiliation = get_affiliation(From, StateData),
ServiceAffiliation = get_service_affiliation(From,
StateData),
NConferences = tab_count_user(From),
NConferences = tab_count_user(From, StateData),
MaxConferences =
gen_mod:get_module_opt(StateData#state.server_host,
mod_muc, max_user_conferences,
@ -4000,38 +4000,25 @@ add_to_log(Type, Data, StateData) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Users number checking
-spec tab_add_online_user(jid(), state()) -> ok.
-spec tab_add_online_user(jid(), state()) -> any().
tab_add_online_user(JID, StateData) ->
{LUser, LServer, LResource} = jid:tolower(JID),
US = {LUser, LServer},
Room = StateData#state.room,
Host = StateData#state.host,
catch ets:insert(muc_online_users,
#muc_online_users{us = US, resource = LResource,
room = Room, host = Host}),
ok.
ServerHost = StateData#state.server_host,
mod_muc:register_online_user(ServerHost, jid:tolower(JID), Room, Host).
-spec tab_remove_online_user(jid(), state()) -> ok.
-spec tab_remove_online_user(jid(), state()) -> any().
tab_remove_online_user(JID, StateData) ->
{LUser, LServer, LResource} = jid:tolower(JID),
US = {LUser, LServer},
Room = StateData#state.room,
Host = StateData#state.host,
catch ets:delete_object(muc_online_users,
#muc_online_users{us = US, resource = LResource,
room = Room, host = Host}),
ok.
ServerHost = StateData#state.server_host,
mod_muc:unregister_online_user(ServerHost, jid:tolower(JID), Room, Host).
-spec tab_count_user(jid()) -> non_neg_integer().
tab_count_user(JID) ->
-spec tab_count_user(jid(), state()) -> non_neg_integer().
tab_count_user(JID, StateData) ->
ServerHost = StateData#state.server_host,
{LUser, LServer, _} = jid:tolower(JID),
US = {LUser, LServer},
case catch ets:select(muc_online_users,
[{#muc_online_users{us = US, _ = '_'}, [], [[]]}])
of
Res when is_list(Res) -> length(Res);
_ -> 0
end.
mod_muc:count_online_rooms_by_user(ServerHost, LUser, LServer).
-spec element_size(stanza()) -> non_neg_integer().
element_size(El) ->

34
src/mod_muc_sql.erl
View File

@ -33,6 +33,10 @@
-export([init/2, store_room/4, restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4,
import/3, export/1]).
-export([register_online_room/3, unregister_online_room/3, find_online_room/2,
get_online_rooms/2, count_online_rooms/1, rsm_supported/0,
register_online_user/3, unregister_online_user/3,
count_online_rooms_by_user/2, get_online_rooms_by_user/2]).
-export([set_affiliation/6, set_affiliations/4, get_affiliation/5,
get_affiliations/3, search_affiliation/4]).
@ -161,6 +165,36 @@ get_affiliations(_ServerHost, _Room, _Host) ->
search_affiliation(_ServerHost, _Room, _Host, _Affiliation) ->
{error, not_implemented}.
register_online_room(_, _, _) ->
erlang:error(not_implemented).
unregister_online_room(_, _, _) ->
erlang:error(not_implemented).
find_online_room(_, _) ->
erlang:error(not_implemented).
count_online_rooms(_) ->
erlang:error(not_implemented).
get_online_rooms(_, _) ->
erlang:error(not_implemented).
rsm_supported() ->
false.
register_online_user(_, _, _) ->
erlang:error(not_implemented).
unregister_online_user(_, _, _) ->
erlang:error(not_implemented).
count_online_rooms_by_user(_, _) ->
erlang:error(not_implemented).
get_online_rooms_by_user(_, _) ->
erlang:error(not_implemented).
export(_Server) ->
[{muc_room,
fun(Host, #muc_room{name_host = {Name, RoomHost}, opts = Opts}) ->

170
src/mod_offline.erl
View File

@ -44,7 +44,7 @@
store_packet/3,
store_offline_msg/5,
resend_offline_messages/2,
pop_offline_messages/3,
c2s_self_presence/1,
get_sm_features/5,
get_sm_identity/5,
get_sm_items/5,
@ -61,6 +61,8 @@
count_offline_messages/2,
get_offline_els/2,
find_x_expire/2,
c2s_handle_info/2,
c2s_copy_session/2,
webadmin_page/3,
webadmin_user/4,
webadmin_user_parse_query/5]).
@ -90,6 +92,8 @@
-define(MAX_USER_MESSAGES, infinity).
-type us() :: {binary(), binary()}.
-type c2s_state() :: ejabberd_c2s:state().
-callback init(binary(), gen_mod:opts()) -> any().
-callback import(#offline_msg{}) -> ok.
-callback store_messages(binary(), us(), [#offline_msg{}],
@ -140,12 +144,9 @@ init([Host, Opts]) ->
no_queue),
ejabberd_hooks:add(offline_message_hook, Host, ?MODULE,
store_packet, 50),
ejabberd_hooks:add(resend_offline_messages_hook, Host,
?MODULE, pop_offline_messages, 50),
ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE, c2s_self_presence, 50),
ejabberd_hooks:add(remove_user, Host,
?MODULE, remove_user, 50),
ejabberd_hooks:add(anonymous_purge_hook, Host,
?MODULE, remove_user, 50),
ejabberd_hooks:add(disco_sm_features, Host,
?MODULE, get_sm_features, 50),
ejabberd_hooks:add(disco_local_features, Host,
@ -155,6 +156,8 @@ init([Host, Opts]) ->
ejabberd_hooks:add(disco_sm_items, Host,
?MODULE, get_sm_items, 50),
ejabberd_hooks:add(disco_info, Host, ?MODULE, get_info, 50),
ejabberd_hooks:add(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
ejabberd_hooks:add(c2s_copy_session, Host, ?MODULE, c2s_copy_session, 50),
ejabberd_hooks:add(webadmin_page_host, Host,
?MODULE, webadmin_page, 50),
ejabberd_hooks:add(webadmin_user, Host,
@ -199,17 +202,16 @@ terminate(_Reason, State) ->
Host = State#state.host,
ejabberd_hooks:delete(offline_message_hook, Host,
?MODULE, store_packet, 50),
ejabberd_hooks:delete(resend_offline_messages_hook,
Host, ?MODULE, pop_offline_messages, 50),
ejabberd_hooks:delete(c2s_self_presence, Host, ?MODULE, c2s_self_presence, 50),
ejabberd_hooks:delete(remove_user, Host, ?MODULE,
remove_user, 50),
ejabberd_hooks:delete(anonymous_purge_hook, Host,
?MODULE, remove_user, 50),
ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE, get_sm_features, 50),
ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, get_sm_features, 50),
ejabberd_hooks:delete(disco_sm_identity, Host, ?MODULE, get_sm_identity, 50),
ejabberd_hooks:delete(disco_sm_items, Host, ?MODULE, get_sm_items, 50),
ejabberd_hooks:delete(disco_info, Host, ?MODULE, get_info, 50),
ejabberd_hooks:delete(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
ejabberd_hooks:delete(c2s_copy_session, Host, ?MODULE, c2s_copy_session, 50),
ejabberd_hooks:delete(webadmin_page_host, Host,
?MODULE, webadmin_page, 50),
ejabberd_hooks:delete(webadmin_user, Host,
@ -276,15 +278,13 @@ get_sm_identity(Acc, #jid{luser = U, lserver = S}, #jid{luser = U, lserver = S},
get_sm_identity(Acc, _From, _To, _Node, _Lang) ->
Acc.
get_sm_items(_Acc, #jid{luser = U, lserver = S, lresource = R} = JID,
get_sm_items(_Acc, #jid{luser = U, lserver = S} = JID,
#jid{luser = U, lserver = S},
?NS_FLEX_OFFLINE, _Lang) ->
case ejabberd_sm:get_session_pid(U, S, R) of
Pid when is_pid(Pid) ->
ejabberd_sm:route(JID, {resend_offline, false}),
Mod = gen_mod:db_mod(S, ?MODULE),
Hdrs = Mod:read_message_headers(U, S),
BareJID = jid:remove_resource(JID),
Pid ! dont_ask_offline,
{result, lists:map(
fun({Seq, From, _To, _TS, _El}) ->
Node = integer_to_binary(Seq),
@ -292,22 +292,14 @@ get_sm_items(_Acc, #jid{luser = U, lserver = S, lresource = R} = JID,
node = Node,
name = jid:to_string(From)}
end, Hdrs)};
none ->
{result, []}
end;
get_sm_items(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec get_info([xdata()], binary(), module(), binary(), binary()) -> [xdata()];
([xdata()], jid(), jid(), binary(), binary()) -> [xdata()].
get_info(_Acc, #jid{luser = U, lserver = S, lresource = R},
get_info(_Acc, #jid{luser = U, lserver = S} = JID,
#jid{luser = U, lserver = S}, ?NS_FLEX_OFFLINE, Lang) ->
case ejabberd_sm:get_session_pid(U, S, R) of
Pid when is_pid(Pid) ->
Pid ! dont_ask_offline;
none ->
ok
end,
ejabberd_sm:route(JID, {resend_offline, false}),
[#xdata{type = result,
fields = flex_offline:encode(
[{number_of_messages, count_offline_messages(U, S)}],
@ -315,6 +307,18 @@ get_info(_Acc, #jid{luser = U, lserver = S, lresource = R},
get_info(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec c2s_handle_info(c2s_state(), term()) -> c2s_state().
c2s_handle_info(State, {resend_offline, Flag}) ->
{stop, State#{resend_offline => Flag}};
c2s_handle_info(State, _) ->
State.
-spec c2s_copy_session(c2s_state(), c2s_state()) -> c2s_state().
c2s_copy_session(State, #{resend_offline := Flag}) ->
State#{resend_offline => Flag};
c2s_copy_session(State, _) ->
State.
-spec handle_offline_query(iq()) -> iq().
handle_offline_query(#iq{from = #jid{luser = U1, lserver = S1},
to = #jid{luser = U2, lserver = S2},
@ -394,18 +398,15 @@ set_offline_tag(Msg, Node) ->
xmpp:set_subtag(Msg, #offline{items = [#offline_item{node = Node}]}).
-spec handle_offline_fetch(jid()) -> ok.
handle_offline_fetch(#jid{luser = U, lserver = S, lresource = R}) ->
case ejabberd_sm:get_session_pid(U, S, R) of
none ->
ok;
Pid when is_pid(Pid) ->
Pid ! dont_ask_offline,
handle_offline_fetch(#jid{luser = U, lserver = S} = JID) ->
ejabberd_sm:route(JID, {resend_offline, false}),
lists:foreach(
fun({Node, El}) ->
NewEl = set_offline_tag(El, Node),
Pid ! {route, xmpp:get_from(El), xmpp:get_to(El), NewEl}
end, read_messages(U, S))
end.
El1 = set_offline_tag(El, Node),
From = xmpp:get_from(El1),
To = xmpp:get_to(El1),
ejabberd_router:route(From, To, El1)
end, read_messages(U, S)).
-spec fetch_msg_by_node(jid(), binary()) -> error | {ok, #offline_msg{}}.
fetch_msg_by_node(To, Seq) ->
@ -560,43 +561,67 @@ resend_offline_messages(User, Server) ->
_ -> ok
end.
-spec pop_offline_messages([{route, jid(), jid(), message()}],
binary(), binary()) ->
[{route, jid(), jid(), message()}].
pop_offline_messages(Ls, User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
c2s_self_presence({#presence{type = available} = NewPres, State} = Acc) ->
NewPrio = get_priority_from_presence(NewPres),
LastPrio = try maps:get(pres_last, State) of
LastPres -> get_priority_from_presence(LastPres)
catch _:{badkey, _} ->
-1
end,
if LastPrio < 0 andalso NewPrio >= 0 ->
route_offline_messages(State);
true ->
ok
end,
Acc;
c2s_self_presence(Acc) ->
Acc.
-spec route_offline_messages(c2s_state()) -> ok.
route_offline_messages(#{jid := #jid{luser = LUser, lserver = LServer}} = State) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:pop_messages(LUser, LServer) of
{ok, Rs} ->
Ls ++
lists:flatmap(
fun(#offline_msg{expire = Expire} = R) ->
case offline_msg_to_route(LServer, R) of
error ->
[];
{route, _From, _To, Msg} = RouteMsg ->
case is_expired_message(Expire, Msg) of
true -> [];
false -> [RouteMsg]
end
end
end, Rs);
{ok, OffMsgs} ->
lists:foreach(
fun(OffMsg) ->
route_offline_message(State, OffMsg)
end, OffMsgs);
_ ->
Ls
ok
end.
is_expired_message(Expire, Pkt) ->
TS = p1_time_compat:timestamp(),
Exp = case Expire of
undefined -> find_x_expire(TS, Pkt);
_ -> Expire
end,
case Exp of
never -> false;
TimeStamp -> TS >= TimeStamp
-spec route_offline_message(c2s_state(), #offline_msg{}) -> ok.
route_offline_message(#{lserver := LServer} = State,
#offline_msg{expire = Expire} = OffMsg) ->
case offline_msg_to_route(LServer, OffMsg) of
error ->
ok;
{route, From, To, Msg} ->
case is_message_expired(Expire, Msg) of
true ->
ok;
false ->
case privacy_check_packet(State, Msg, in) of
allow -> ejabberd_router:route(From, To, Msg);
false -> ok
end
end
end.
-spec is_message_expired(erlang:timestamp() | never, message()) -> boolean().
is_message_expired(Expire, Msg) ->
TS = p1_time_compat:timestamp(),
Expire1 = case Expire of
undefined -> find_x_expire(TS, Msg);
_ -> Expire
end,
Expire1 /= never andalso Expire1 =< TS.
-spec privacy_check_packet(c2s_state(), stanza(), in | out) -> allow | deny.
privacy_check_packet(#{lserver := LServer} = State, Pkt, Dir) ->
ejabberd_hooks:run_fold(privacy_check_packet,
LServer, allow, [State, Pkt, Dir]).
remove_expired_messages(Server) ->
LServer = jid:nameprep(Server),
Mod = gen_mod:db_mod(LServer, ?MODULE),
@ -640,14 +665,15 @@ get_offline_els(LUser, LServer) ->
-spec offline_msg_to_route(binary(), #offline_msg{}) ->
{route, jid(), jid(), message()} | error.
offline_msg_to_route(LServer, #offline_msg{} = R) ->
offline_msg_to_route(LServer, #offline_msg{from = From, to = To} = R) ->
try xmpp:decode(R#offline_msg.packet, ?NS_CLIENT, [ignore_els]) of
Pkt ->
NewPkt = add_delay_info(Pkt, LServer, R#offline_msg.timestamp),
{route, R#offline_msg.from, R#offline_msg.to, NewPkt}
Pkt1 = xmpp:set_from_to(Pkt, From, To),
Pkt2 = add_delay_info(Pkt1, LServer, R#offline_msg.timestamp),
{route, From, To, Pkt2}
catch _:{xmpp_codec, Why} ->
?ERROR_MSG("failed to decode packet ~p of user ~s: ~s",
[R#offline_msg.packet, jid:to_string(R#offline_msg.to),
[R#offline_msg.packet, jid:to_string(To),
xmpp:format_error(Why)]),
error
end.
@ -847,9 +873,17 @@ add_delay_info(Packet, LServer, TS) ->
undefined -> p1_time_compat:timestamp();
_ -> TS
end,
xmpp_util:add_delay_info(Packet, jid:make(LServer), NewTS,
Packet1 = xmpp:put_meta(Packet, from_offline, true),
xmpp_util:add_delay_info(Packet1, jid:make(LServer), NewTS,
<<"Offline storage">>).
-spec get_priority_from_presence(presence()) -> integer().
get_priority_from_presence(#presence{priority = Prio}) ->
case Prio of
undefined -> 0;
_ -> Prio
end.
export(LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:export(LServer).

29
src/mod_ping.erl
View File

@ -54,8 +54,8 @@
-export([init/1, terminate/2, handle_call/3,
handle_cast/2, handle_info/2, code_change/3]).
-export([iq_ping/1, user_online/3, user_offline/3,
user_send/4, mod_opt_type/1, depends/2]).
-export([iq_ping/1, user_online/3, user_offline/3, disco_features/5,
user_send/1, mod_opt_type/1, depends/2]).
-record(state,
{host = <<"">>,
@ -116,7 +116,7 @@ init([Host, Opts]) ->
end, none),
IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
no_queue),
mod_disco:register_feature(Host, ?NS_PING),
ejabberd_hooks:add(disco_local_features, Host, ?MODULE, disco_features, 50),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_PING, ?MODULE, iq_ping, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_local, Host,
@ -145,11 +145,12 @@ terminate(_Reason, #state{host = Host}) ->
?MODULE, user_online, 100),
ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
user_send, 100),
ejabberd_hooks:delete(disco_local_features, Host, ?MODULE,
disco_features, 50),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
?NS_PING),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_PING),
mod_disco:unregister_feature(Host, ?NS_PING).
?NS_PING).
handle_call(stop, _From, State) ->
{stop, normal, ok, State};
@ -215,10 +216,22 @@ user_online(_SID, JID, _Info) ->
user_offline(_SID, JID, _Info) ->
stop_ping(JID#jid.lserver, JID).
-spec user_send(stanza(), ejabberd_c2s:state(), jid(), jid()) -> stanza().
user_send(Packet, _C2SState, JID, _From) ->
-spec user_send({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_send({Packet, #{jid := JID} = C2SState}) ->
start_ping(JID#jid.lserver, JID),
Packet.
{Packet, C2SState}.
-spec disco_features({error, stanza_error()} | {result, [binary()]} | empty,
jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [binary()]}.
disco_features({error, Err}, _From, _To, _Node, _Lang) ->
{error, Err};
disco_features(empty, _From, _To, <<"">>, _Lang) ->
{result, [?NS_PING]};
disco_features({result, Feats}, _From, _To, <<"">>, _Lang) ->
{result, [?NS_PING|Feats]};
disco_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
%%====================================================================
%% Internal functions

18
src/mod_pres_counter.erl
View File

@ -27,7 +27,7 @@
-behavior(gen_mod).
-export([start/2, stop/1, check_packet/6,
-export([start/2, stop/1, check_packet/4,
mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
@ -51,10 +51,12 @@ stop(Host) ->
depends(_Host, _Opts) ->
[].
-spec check_packet(allow | deny, binary(), binary(), _,
{jid(), jid(), stanza()}, in | out) -> allow | deny.
check_packet(_, _User, Server, _PrivacyList,
{From, To, #presence{type = Type}}, Dir) ->
-spec check_packet(allow | deny, ejabberd_c2s:state() | jid(),
stanza(), in | out) -> allow | deny.
check_packet(Acc, #{jid := JID}, Packet, Dir) ->
check_packet(Acc, JID, Packet, Dir);
check_packet(_, #jid{lserver = LServer},
#presence{from = From, to = To, type = Type}, Dir) ->
IsSubscription = case Type of
subscribe -> true;
subscribed -> true;
@ -67,11 +69,11 @@ check_packet(_, _User, Server, _PrivacyList,
in -> To;
out -> From
end,
update(Server, JID, Dir);
update(LServer, JID, Dir);
true -> allow
end;
check_packet(_, _User, _Server, _PrivacyList, _Pkt, _Dir) ->
allow.
check_packet(Acc, _, _, _) ->
Acc.
update(Server, JID, Dir) ->
StormCount = gen_mod:get_module_opt(Server, ?MODULE, count,

387
src/mod_privacy.erl
View File

@ -32,10 +32,10 @@
-behaviour(gen_mod).
-export([start/2, stop/1, process_iq/1, export/1, import_info/0,
process_iq_set/3, process_iq_get/3, get_user_list/3,
check_packet/6, remove_user/2, encode_list_item/1,
is_list_needdb/1, updated_list/3,
import_start/2, import_stop/2,
c2s_session_opened/1, c2s_copy_session/2, push_list_update/3,
user_send_packet/1, user_receive_packet/1, disco_features/5,
check_packet/4, remove_user/2, encode_list_item/1,
is_list_needdb/1, import_start/2, import_stop/2,
item_to_xml/1, get_user_lists/2, import/5,
set_privacy_list/1, mod_opt_type/1, depends/2]).
@ -64,102 +64,124 @@ start(Host, Opts) ->
one_queue),
Mod = gen_mod:db_mod(Host, Opts, ?MODULE),
Mod:init(Host, Opts),
mod_disco:register_feature(Host, ?NS_PRIVACY),
ejabberd_hooks:add(privacy_iq_get, Host, ?MODULE,
process_iq_get, 50),
ejabberd_hooks:add(privacy_iq_set, Host, ?MODULE,
process_iq_set, 50),
ejabberd_hooks:add(privacy_get_user_list, Host, ?MODULE,
get_user_list, 50),
ejabberd_hooks:add(disco_local_features, Host, ?MODULE,
disco_features, 50),
ejabberd_hooks:add(c2s_session_opened, Host, ?MODULE,
c2s_session_opened, 50),
ejabberd_hooks:add(c2s_copy_session, Host, ?MODULE,
c2s_copy_session, 50),
ejabberd_hooks:add(user_send_packet, Host, ?MODULE,
user_send_packet, 50),
ejabberd_hooks:add(user_receive_packet, Host, ?MODULE,
user_receive_packet, 50),
ejabberd_hooks:add(privacy_check_packet, Host, ?MODULE,
check_packet, 50),
ejabberd_hooks:add(privacy_updated_list, Host, ?MODULE,
updated_list, 50),
ejabberd_hooks:add(remove_user, Host, ?MODULE,
remove_user, 50),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_PRIVACY, ?MODULE, process_iq, IQDisc).
stop(Host) ->
mod_disco:unregister_feature(Host, ?NS_PRIVACY),
ejabberd_hooks:delete(privacy_iq_get, Host, ?MODULE,
process_iq_get, 50),
ejabberd_hooks:delete(privacy_iq_set, Host, ?MODULE,
process_iq_set, 50),
ejabberd_hooks:delete(privacy_get_user_list, Host,
?MODULE, get_user_list, 50),
ejabberd_hooks:delete(disco_local_features, Host, ?MODULE,
disco_features, 50),
ejabberd_hooks:delete(c2s_session_opened, Host, ?MODULE,
c2s_session_opened, 50),
ejabberd_hooks:delete(c2s_copy_session, Host, ?MODULE,
c2s_copy_session, 50),
ejabberd_hooks:delete(user_send_packet, Host, ?MODULE,
user_send_packet, 50),
ejabberd_hooks:delete(user_receive_packet, Host, ?MODULE,
user_receive_packet, 50),
ejabberd_hooks:delete(privacy_check_packet, Host,
?MODULE, check_packet, 50),
ejabberd_hooks:delete(privacy_updated_list, Host,
?MODULE, updated_list, 50),
ejabberd_hooks:delete(remove_user, Host, ?MODULE,
remove_user, 50),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_PRIVACY).
-spec process_iq(iq()) -> iq().
process_iq(IQ) ->
xmpp:make_error(IQ, xmpp:err_not_allowed()).
-spec process_iq_get({error, stanza_error()} | {result, xmpp_element() | undefined},
iq(), userlist()) -> {error, stanza_error()} |
{result, xmpp_element() | undefined}.
process_iq_get(_, #iq{lang = Lang,
sub_els = [#privacy_query{default = Default,
active = Active}]},
_) when Default /= undefined; Active /= undefined ->
Txt = <<"Only <list/> element is allowed in this query">>,
{error, xmpp:err_bad_request(Txt, Lang)};
process_iq_get(_, #iq{from = From, lang = Lang,
sub_els = [#privacy_query{lists = Lists}]},
#userlist{name = Active}) ->
#jid{luser = LUser, lserver = LServer} = From,
case Lists of
[] ->
process_lists_get(LUser, LServer, Active, Lang);
[#privacy_list{name = ListName}] ->
process_list_get(LUser, LServer, ListName, Lang);
_ ->
Txt = <<"Too many <list/> elements">>,
{error, xmpp:err_bad_request(Txt, Lang)}
end;
process_iq_get(Acc, _, _) ->
-spec disco_features({error, stanza_error()} | {result, [binary()]} | empty,
jid(), jid(), binary(), binary()) ->
{error, stanza_error()} | {result, [binary()]}.
disco_features({error, Err}, _From, _To, _Node, _Lang) ->
{error, Err};
disco_features(empty, _From, _To, <<"">>, _Lang) ->
{result, [?NS_PRIVACY]};
disco_features({result, Feats}, _From, _To, <<"">>, _Lang) ->
{result, [?NS_PRIVACY|Feats]};
disco_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
-spec process_lists_get(binary(), binary(), binary(), binary()) ->
{error, stanza_error()} | {result, privacy_query()}.
process_lists_get(LUser, LServer, Active, Lang) ->
-spec process_iq(iq()) -> iq().
process_iq(#iq{type = Type,
from = #jid{luser = U, lserver = S},
to = #jid{luser = U, lserver = S}} = IQ) ->
case Type of
get -> process_iq_get(IQ);
set -> process_iq_set(IQ)
end;
process_iq(#iq{lang = Lang} = IQ) ->
Txt = <<"Query to another users is forbidden">>,
xmpp:make_error(IQ, xmpp:err_forbidden(Txt, Lang)).
-spec process_iq_get(iq()) -> iq().
process_iq_get(#iq{lang = Lang,
sub_els = [#privacy_query{default = Default,
active = Active}]} = IQ)
when Default /= undefined; Active /= undefined ->
Txt = <<"Only <list/> element is allowed in this query">>,
xmpp:make_error(IQ, xmpp:err_bad_request(Txt, Lang));
process_iq_get(#iq{lang = Lang,
sub_els = [#privacy_query{lists = Lists}]} = IQ) ->
case Lists of
[] ->
process_lists_get(IQ);
[#privacy_list{name = ListName}] ->
process_list_get(IQ, ListName);
_ ->
Txt = <<"Too many <list/> elements">>,
xmpp:make_error(IQ, xmpp:err_bad_request(Txt, Lang))
end;
process_iq_get(#iq{lang = Lang} = IQ) ->
Txt = <<"No module is handling this query">>,
xmpp:make_error(IQ, xmpp:err_service_unavailable(Txt, Lang)).
-spec process_lists_get(iq()) -> iq().
process_lists_get(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang,
meta = #{privacy_active_list := Active}} = IQ) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:process_lists_get(LUser, LServer) of
error ->
Txt = <<"Database failure">>,
{error, xmpp:err_internal_server_error(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_internal_server_error(Txt, Lang));
{_Default, []} ->
{result, #privacy_query{}};
xmpp:make_iq_result(IQ, #privacy_query{});
{Default, ListNames} ->
{result,
xmpp:make_iq_result(
IQ,
#privacy_query{active = Active,
default = Default,
lists = [#privacy_list{name = ListName}
|| ListName <- ListNames]}}
|| ListName <- ListNames]})
end.
-spec process_list_get(binary(), binary(), binary(), binary()) ->
{error, stanza_error()} | {result, privacy_query()}.
process_list_get(LUser, LServer, Name, Lang) ->
-spec process_list_get(iq(), binary()) -> iq().
process_list_get(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ, Name) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:process_list_get(LUser, LServer, Name) of
error ->
Txt = <<"Database failure">>,
{error, xmpp:err_internal_server_error(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_internal_server_error(Txt, Lang));
not_found ->
Txt = <<"No privacy list with this name found">>,
{error, xmpp:err_item_not_found(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_item_not_found(Txt, Lang));
Items ->
LItems = lists:map(fun encode_list_item/1, Items),
{result,
xmpp:make_iq_result(
IQ,
#privacy_query{
lists = [#privacy_list{name = Name, items = LItems}]}}
lists = [#privacy_list{name = Name, items = LItems}]})
end.
-spec item_to_xml(listitem()) -> xmlel().
@ -224,69 +246,61 @@ decode_value(Type, Value) ->
undefined -> none
end.
-spec process_iq_set({error, stanza_error()} |
{result, xmpp_element() | undefined} |
{result, xmpp_element() | undefined, userlist()},
iq(), #userlist{}) ->
{error, stanza_error()} |
{result, xmpp_element() | undefined} |
{result, xmpp_element() | undefined, userlist()}.
process_iq_set(_, #iq{from = From, lang = Lang,
-spec process_iq_set(iq()) -> iq().
process_iq_set(#iq{lang = Lang,
sub_els = [#privacy_query{default = Default,
active = Active,
lists = Lists}]},
#userlist{} = UserList) ->
#jid{luser = LUser, lserver = LServer} = From,
lists = Lists}]} = IQ) ->
case Lists of
[#privacy_list{items = Items, name = ListName}]
when Default == undefined, Active == undefined ->
process_lists_set(LUser, LServer, ListName, Items, UserList, Lang);
process_lists_set(IQ, ListName, Items);
[] when Default == undefined, Active /= undefined ->
process_active_set(LUser, LServer, Active, Lang);
process_active_set(IQ, Active);
[] when Active == undefined, Default /= undefined ->
process_default_set(LUser, LServer, Default, Lang);
process_default_set(IQ, Default);
_ ->
Txt = <<"The stanza MUST contain only one <active/> element, "
"one <default/> element, or one <list/> element">>,
{error, xmpp:err_bad_request(Txt, Lang)}
xmpp:make_error(IQ, xmpp:err_bad_request(Txt, Lang))
end;
process_iq_set(Acc, _, _) ->
Acc.
process_iq_set(#iq{lang = Lang} = IQ) ->
Txt = <<"No module is handling this query">>,
xmpp:make_error(IQ, xmpp:err_service_unavailable(Txt, Lang)).
-spec process_default_set(binary(), binary(), none | binary(),
binary()) -> {error, stanza_error()} | {result, undefined}.
process_default_set(LUser, LServer, Value, Lang) ->
-spec process_default_set(iq(), binary()) -> iq().
process_default_set(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ, Value) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:process_default_set(LUser, LServer, Value) of
{atomic, error} ->
Txt = <<"Database failure">>,
{error, xmpp:err_internal_server_error(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_internal_server_error(Txt, Lang));
{atomic, not_found} ->
Txt = <<"No privacy list with this name found">>,
{error, xmpp:err_item_not_found(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_item_not_found(Txt, Lang));
{atomic, ok} ->
{result, undefined};
xmpp:make_iq_result(IQ);
Err ->
?ERROR_MSG("failed to set default list '~s' for user ~s@~s: ~p",
[Value, LUser, LServer, Err]),
{error, xmpp:err_internal_server_error()}
xmpp:make_error(IQ, xmpp:err_internal_server_error())
end.
-spec process_active_set(binary(), binary(), none | binary(), binary()) ->
{error, stanza_error()} |
{result, undefined, userlist()}.
process_active_set(_LUser, _LServer, none, _Lang) ->
{result, undefined, #userlist{}};
process_active_set(LUser, LServer, Name, Lang) ->
-spec process_active_set(IQ, none | binary()) -> IQ.
process_active_set(IQ, none) ->
xmpp:make_iq_result(xmpp:put_meta(IQ, privacy_list, #userlist{}));
process_active_set(#iq{from = #jid{luser = LUser, lserver = LServer},
lang = Lang} = IQ, Name) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:process_active_set(LUser, LServer, Name) of
error ->
Txt = <<"No privacy list with this name found">>,
{error, xmpp:err_item_not_found(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_item_not_found(Txt, Lang));
Items ->
NeedDb = is_list_needdb(Items),
{result, undefined,
#userlist{name = Name, list = Items, needdb = NeedDb}}
List = #userlist{name = Name, list = Items, needdb = NeedDb},
xmpp:make_iq_result(xmpp:put_meta(IQ, privacy_list, List))
end.
-spec set_privacy_list(privacy()) -> any().
@ -294,64 +308,100 @@ set_privacy_list(#privacy{us = {_, LServer}} = Privacy) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:set_privacy_list(Privacy).
-spec process_lists_set(binary(), binary(), binary(), [privacy_item()],
#userlist{}, binary()) -> {error, stanza_error()} |
{result, undefined}.
process_lists_set(_LUser, _LServer, Name, [], #userlist{name = Name}, Lang) ->
-spec process_lists_set(iq(), binary(), [privacy_item()]) -> iq().
process_lists_set(#iq{meta = #{privacy_active_list := Name},
lang = Lang} = IQ, Name, []) ->
Txt = <<"Cannot remove active list">>,
{error, xmpp:err_conflict(Txt, Lang)};
process_lists_set(LUser, LServer, Name, [], _UserList, Lang) ->
xmpp:make_error(IQ, xmpp:err_conflict(Txt, Lang));
process_lists_set(#iq{from = #jid{luser = LUser, lserver = LServer} = From,
lang = Lang} = IQ, Name, []) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:remove_privacy_list(LUser, LServer, Name) of
{atomic, conflict} ->
Txt = <<"Cannot remove default list">>,
{error, xmpp:err_conflict(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_conflict(Txt, Lang));
{atomic, not_found} ->
Txt = <<"No privacy list with this name found">>,
{error, xmpp:err_item_not_found(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_item_not_found(Txt, Lang));
{atomic, ok} ->
ejabberd_sm:route(jid:make(LUser, LServer,
<<"">>),
jid:make(LUser, LServer, <<"">>),
{broadcast, {privacy_list,
#userlist{name = Name,
list = []},
Name}}),
{result, undefined};
push_list_update(From, #userlist{name = Name}, Name),
xmpp:make_iq_result(IQ);
Err ->
?ERROR_MSG("failed to remove privacy list '~s' for user ~s@~s: ~p",
[Name, LUser, LServer, Err]),
Txt = <<"Database failure">>,
{error, xmpp:err_internal_server_error(Txt, Lang)}
xmpp:make_error(IQ, xmpp:err_internal_server_error(Txt, Lang))
end;
process_lists_set(LUser, LServer, Name, Items, _UserList, Lang) ->
process_lists_set(#iq{from = #jid{luser = LUser, lserver = LServer} = From,
lang = Lang} = IQ, Name, Items) ->
case catch lists:map(fun decode_item/1, Items) of
{error, Why} ->
Txt = xmpp:format_error(Why),
{error, xmpp:err_bad_request(Txt, Lang)};
xmpp:make_error(IQ, xmpp:err_bad_request(Txt, Lang));
List ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
case Mod:set_privacy_list(LUser, LServer, Name, List) of
{atomic, ok} ->
NeedDb = is_list_needdb(List),
ejabberd_sm:route(jid:make(LUser, LServer,
<<"">>),
jid:make(LUser, LServer, <<"">>),
{broadcast, {privacy_list,
#userlist{name = Name,
list = List,
needdb = NeedDb},
Name}}),
{result, undefined};
UserList = #userlist{name = Name, list = List,
needdb = is_list_needdb(List)},
push_list_update(From, UserList, Name),
xmpp:make_iq_result(IQ);
Err ->
?ERROR_MSG("failed to set privacy list '~s' "
"for user ~s@~s: ~p",
[Name, LUser, LServer, Err]),
Txt = <<"Database failure">>,
{error, xmpp:err_internal_server_error(Txt, Lang)}
xmpp:make_error(IQ, xmpp:err_internal_server_error(Txt, Lang))
end
end.
-spec push_list_update(jid(), #userlist{}, binary() | none) -> ok.
push_list_update(From, List, Name) ->
BareFrom = jid:remove_resource(From),
lists:foreach(
fun(R) ->
To = jid:replace_resource(From, R),
IQ = #iq{type = set, from = BareFrom, to = To,
id = <<"push", (randoms:get_string())/binary>>,
sub_els = [#privacy_query{
lists = [#privacy_list{name = Name}]}],
meta = #{privacy_updated_list => List}},
ejabberd_router:route(BareFrom, To, IQ)
end, ejabberd_sm:get_user_resources(From#jid.luser, From#jid.lserver)).
-spec user_send_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_send_packet({#iq{type = Type,
to = #jid{luser = U, lserver = S, lresource = <<"">>},
from = #jid{luser = U, lserver = S},
sub_els = [_]} = IQ,
#{privacy_list := #userlist{name = Name}} = State})
when Type == get; Type == set ->
NewIQ = case xmpp:has_subtag(IQ, #privacy_query{}) of
true -> xmpp:put_meta(IQ, privacy_active_list, Name);
false -> IQ
end,
{NewIQ, State};
user_send_packet(Acc) ->
Acc.
-spec user_receive_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_receive_packet({#iq{type = result, meta = #{privacy_list := List}} = IQ,
State}) ->
{IQ, State#{privacy_list => List}};
user_receive_packet({#iq{type = set, meta = #{privacy_updated_list := New}} = IQ,
#{user := U, server := S, resource := R,
privacy_list := Old} = State}) ->
State1 = if Old#userlist.name == New#userlist.name ->
State#{privacy_list => New};
true ->
State
end,
From = jid:make(U, S, <<"">>),
To = jid:make(U, S, R),
{xmpp:set_from_to(IQ, From, To), State1};
user_receive_packet(Acc) ->
Acc.
-spec decode_item(privacy_item()) -> listitem().
decode_item(#privacy_item{order = Order,
action = Action,
@ -394,15 +444,20 @@ is_list_needdb(Items) ->
end,
Items).
-spec get_user_list(userlist(), binary(), binary()) -> userlist().
get_user_list(_Acc, User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
-spec get_user_list(binary(), binary()) -> #userlist{}.
get_user_list(LUser, LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
{Default, Items} = Mod:get_user_list(LUser, LServer),
NeedDb = is_list_needdb(Items),
#userlist{name = Default, list = Items,
needdb = NeedDb}.
#userlist{name = Default, list = Items, needdb = NeedDb}.
-spec c2s_session_opened(ejabberd_c2s:state()) -> ejabberd_c2s:state().
c2s_session_opened(#{jid := #jid{luser = LUser, lserver = LServer}} = State) ->
State#{privacy_list => get_user_list(LUser, LServer)}.
-spec c2s_copy_session(ejabberd_c2s:state(), ejabberd_c2s:state()) -> ejabberd_c2s:state().
c2s_copy_session(State, #{privacy_list := List}) ->
State#{privacy_list => List}.
-spec get_user_lists(binary(), binary()) -> {ok, privacy()} | error.
get_user_lists(User, Server) ->
@ -414,28 +469,32 @@ get_user_lists(User, Server) ->
%% From is the sender, To is the destination.
%% If Dir = out, User@Server is the sender account (From).
%% If Dir = in, User@Server is the destination account (To).
-spec check_packet(allow | deny, binary(), binary(), userlist(),
{jid(), jid(), stanza()}, in | out) -> allow | deny.
check_packet(_, _User, _Server, _UserList,
{#jid{luser = <<"">>, lserver = Server} = _From,
#jid{lserver = Server} = _To, _},
in) ->
-spec check_packet(allow | deny, ejabberd_c2s:state() | jid(),
stanza(), in | out) -> allow | deny.
check_packet(_, #{jid := #jid{luser = LUser, lserver = LServer},
privacy_list := #userlist{list = List, needdb = NeedDb}},
Packet, Dir) ->
From = xmpp:get_from(Packet),
To = xmpp:get_to(Packet),
case {From, To} of
{#jid{luser = <<"">>, lserver = LServer},
#jid{lserver = LServer}} when Dir == in ->
%% Allow any packets from local server
allow;
{#jid{lserver = LServer},
#jid{luser = <<"">>, lserver = LServer}} when Dir == out ->
%% Allow any packets to local server
allow;
check_packet(_, _User, _Server, _UserList,
{#jid{lserver = Server} = _From,
#jid{luser = <<"">>, lserver = Server} = _To, _},
out) ->
{#jid{luser = LUser, lserver = LServer, lresource = <<"">>},
#jid{luser = LUser, lserver = LServer}} when Dir == in ->
%% Allow incoming packets from user's bare jid to his full jid
allow;
check_packet(_, _User, _Server, _UserList,
{#jid{luser = User, lserver = Server} = _From,
#jid{luser = User, lserver = Server} = _To, _},
_Dir) ->
{#jid{luser = LUser, lserver = LServer},
#jid{luser = LUser, lserver = LServer, lresource = <<"">>}} when Dir == out ->
%% Allow outgoing packets from user's full jid to his bare JID
allow;
_ when List == [] ->
allow;
check_packet(_, User, Server,
#userlist{list = List, needdb = NeedDb},
{From, To, Packet}, Dir) ->
case List of
[] -> allow;
_ ->
PType = case Packet of
#message{} -> message;
@ -455,18 +514,21 @@ check_packet(_, User, Server,
in -> jid:tolower(From);
out -> jid:tolower(To)
end,
{Subscription, Groups} = case NeedDb of
{Subscription, Groups} =
case NeedDb of
true ->
ejabberd_hooks:run_fold(roster_get_jid_info,
jid:nameprep(Server),
LServer,
{none, []},
[User, Server,
LJID]);
false -> {[], []}
[LUser, LServer, LJID]);
false ->
{[], []}
end,
check_packet_aux(List, PType2, LJID, Subscription,
Groups)
end.
check_packet_aux(List, PType2, LJID, Subscription, Groups)
end;
check_packet(Acc, #jid{luser = LUser, lserver = LServer} = JID, Packet, Dir) ->
List = get_user_list(LUser, LServer),
check_packet(Acc, #{jid => JID, privacy_list => List}, Packet, Dir).
-spec check_packet_aux([listitem()],
message | iq | presence_in | presence_out | other,
@ -538,13 +600,6 @@ remove_user(User, Server) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:remove_user(LUser, LServer).
-spec updated_list(userlist(), userlist(), userlist()) -> userlist().
updated_list(_, #userlist{name = OldName} = Old,
#userlist{name = NewName} = New) ->
if OldName == NewName -> New;
true -> Old
end.
numeric_to_binary(<<0, 0, _/binary>>) ->
<<"0">>;
numeric_to_binary(<<0, _, _:6/binary, T/binary>>) ->

29
src/mod_privilege.erl
View File

@ -38,7 +38,7 @@
terminate/2, code_change/3]).
-export([component_connected/1, component_disconnected/2,
roster_access/2, process_message/3,
process_presence_out/4, process_presence_in/5]).
process_presence_out/1, process_presence_in/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -133,10 +133,11 @@ roster_access(false, #iq{from = From, to = To, type = Type}) ->
false
end.
-spec process_presence_out(stanza(), ejabberd_c2s:state(), jid(), jid()) -> stanza().
process_presence_out(#presence{type = Type} = Pres, _C2SState,
#jid{luser = LUser, lserver = LServer} = From,
#jid{luser = LUser, lserver = LServer, lresource = <<"">>})
-spec process_presence_out({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
process_presence_out({#presence{
from = #jid{luser = LUser, lserver = LServer} = From,
to = #jid{luser = LUser, lserver = LServer, lresource = <<"">>},
type = Type} = Pres, C2SState})
when Type == available; Type == unavailable ->
%% Self-presence processing
Permissions = get_permissions(LServer),
@ -151,15 +152,15 @@ process_presence_out(#presence{type = Type} = Pres, _C2SState,
ok
end
end, dict:to_list(Permissions)),
Pres;
process_presence_out(Acc, _, _, _) ->
{Pres, C2SState};
process_presence_out(Acc) ->
Acc.
-spec process_presence_in(stanza(), ejabberd_c2s:state(),
jid(), jid(), jid()) -> stanza().
process_presence_in(#presence{type = Type} = Pres, _C2SState, _,
#jid{luser = U, lserver = S} = From,
#jid{luser = LUser, lserver = LServer})
-spec process_presence_in({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
process_presence_in({#presence{
from = #jid{luser = U, lserver = S} = From,
to = #jid{luser = LUser, lserver = LServer},
type = Type} = Pres, C2SState})
when {U, S} /= {LUser, LServer} andalso
(Type == available orelse Type == unavailable) ->
Permissions = get_permissions(LServer),
@ -179,8 +180,8 @@ process_presence_in(#presence{type = Type} = Pres, _C2SState, _,
ok
end
end, dict:to_list(Permissions)),
Pres;
process_presence_in(Acc, _, _, _, _) ->
{Pres, C2SState};
process_presence_in(Acc) ->
Acc.
%%%===================================================================

22
src/mod_proxy65.erl
View File

@ -43,6 +43,12 @@
-define(PROCNAME, ejabberd_mod_proxy65).
-callback init() -> any().
-callback register_stream(binary(), pid()) -> ok | {error, any()}.
-callback unregister_stream(binary()) -> ok | {error, any()}.
-callback activate_stream(binary(), binary(), pos_integer() | infinity, node()) ->
ok | {error, limit | conflict | notfound | term()}.
start(Host, Opts) ->
case mod_proxy65_service:add_listener(Host, Opts) of
{error, _} = Err -> erlang:error(Err);
@ -50,7 +56,12 @@ start(Host, Opts) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
ChildSpec = {Proc, {?MODULE, start_link, [Host, Opts]},
transient, infinity, supervisor, [?MODULE]},
supervisor:start_child(ejabberd_sup, ChildSpec)
case supervisor:start_child(ejabberd_sup, ChildSpec) of
{error, _} = Err -> erlang:error(Err);
_ ->
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:init()
end
end.
stop(Host) ->
@ -77,12 +88,9 @@ init([Host, Opts]) ->
ejabberd_mod_proxy65_sup),
mod_proxy65_stream]},
transient, infinity, supervisor, [ejabberd_tmp_sup]},
StreamManager = {mod_proxy65_sm,
{mod_proxy65_sm, start_link, [Host, Opts]}, transient,
5000, worker, [mod_proxy65_sm]},
{ok,
{{one_for_one, 10, 1},
[StreamManager, StreamSupervisor, Service]}}.
[StreamSupervisor, Service]}}.
depends(_Host, _Opts) ->
[].
@ -112,7 +120,9 @@ mod_opt_type(max_connections) ->
fun (I) when is_integer(I), I > 0 -> I;
(infinity) -> infinity
end;
mod_opt_type(ram_db_type) ->
fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) ->
[auth_type, recbuf, shaper, sndbuf,
access, host, hostname, ip, name, port,
max_connections].
max_connections, ram_db_type].

145
src/mod_proxy65_mnesia.erl Normal file
View File

@ -0,0 +1,145 @@
%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2017, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 16 Jan 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-module(mod_proxy65_mnesia).
-behaviour(gen_server).
-behaviour(mod_proxy65).
%% API
-export([init/0, register_stream/2, unregister_stream/1, activate_stream/4]).
-export([start_link/0]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-include("logger.hrl").
-record(bytestream,
{sha1 = <<"">> :: binary() | '$1',
target :: pid() | '_',
initiator :: pid() | '_',
active = false :: boolean() | '_',
jid_i :: undefined | binary() | '_'}).
-record(state, {}).
%%%===================================================================
%%% API
%%%===================================================================
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
init() ->
Spec = {?MODULE, {?MODULE, start_link, []}, transient,
5000, worker, [?MODULE]},
supervisor:start_child(ejabberd_sup, Spec).
register_stream(SHA1, StreamPid) ->
F = fun () ->
case mnesia:read(bytestream, SHA1, write) of
[] ->
mnesia:write(#bytestream{sha1 = SHA1,
target = StreamPid});
[#bytestream{target = Pid, initiator = undefined} =
ByteStream] when is_pid(Pid), Pid /= StreamPid ->
mnesia:write(ByteStream#bytestream{
initiator = StreamPid})
end
end,
case mnesia:transaction(F) of
{atomic, ok} ->
ok;
{aborted, Reason} ->
?ERROR_MSG("Mnesia transaction failed: ~p", [Reason]),
{error, Reason}
end.
unregister_stream(SHA1) ->
F = fun () -> mnesia:delete({bytestream, SHA1}) end,
case mnesia:transaction(F) of
{atomic, ok} ->
ok;
{aborted, Reason} ->
?ERROR_MSG("Mnesia transaction failed: ~p", [Reason]),
{error, Reason}
end.
activate_stream(SHA1, Initiator, MaxConnections, _Node) ->
case gen_server:call(?MODULE,
{activate_stream, SHA1, Initiator, MaxConnections}) of
{atomic, {ok, IPid, TPid}} ->
{ok, IPid, TPid};
{atomic, {limit, IPid, TPid}} ->
{error, {limit, IPid, TPid}};
{atomic, conflict} ->
{error, conflict};
{atomic, notfound} ->
{error, notfound};
Err ->
{error, Err}
end.
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
init([]) ->
ejabberd_mnesia:create(?MODULE, bytestream,
[{ram_copies, [node()]},
{attributes, record_info(fields, bytestream)}]),
mnesia:add_table_copy(bytestream, node(), ram_copies),
{ok, #state{}}.
handle_call({activate_stream, SHA1, Initiator, MaxConnections}, _From, State) ->
F = fun () ->
case mnesia:read(bytestream, SHA1, write) of
[#bytestream{target = TPid, initiator = IPid} =
ByteStream] when is_pid(TPid), is_pid(IPid) ->
ActiveFlag = ByteStream#bytestream.active,
if ActiveFlag == false ->
ConnsPerJID = mnesia:select(
bytestream,
[{#bytestream{sha1 = '$1',
jid_i = Initiator,
_ = '_'},
[], ['$1']}]),
if length(ConnsPerJID) < MaxConnections ->
mnesia:write(
ByteStream#bytestream{active = true,
jid_i = Initiator}),
{ok, IPid, TPid};
true ->
{limit, IPid, TPid}
end;
true ->
conflict
end;
_ ->
notfound
end
end,
Reply = mnesia:transaction(F),
{reply, Reply, State};
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info(_Info, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================

33
src/mod_proxy65_service.erl
View File

@ -175,31 +175,39 @@ process_bytestreams(#iq{type = set, lang = Lang, from = InitiatorJID, to = To,
all),
case acl:match_rule(ServerHost, ACL, InitiatorJID) of
allow ->
Node = ejabberd_cluster:get_node_by_id(To#jid.lresource),
Target = jid:to_string(jid:tolower(TargetJID)),
Initiator = jid:to_string(jid:tolower(InitiatorJID)),
SHA1 = p1_sha:sha(<<SID/binary, Initiator/binary, Target/binary>>),
case mod_proxy65_sm:activate_stream(SHA1, InitiatorJID,
TargetJID, ServerHost) of
ok ->
Mod = gen_mod:ram_db_mod(global, mod_proxy65),
MaxConnections = max_connections(ServerHost),
case Mod:activate_stream(SHA1, Initiator, MaxConnections, Node) of
{ok, InitiatorPid, TargetPid} ->
mod_proxy65_stream:activate(
{InitiatorPid, InitiatorJID}, {TargetPid, TargetJID}),
xmpp:make_iq_result(IQ);
false ->
{error, notfound} ->
Txt = <<"Failed to activate bytestream">>,
xmpp:make_error(IQ, xmpp:err_item_not_found(Txt, Lang));
limit ->
{error, {limit, InitiatorPid, TargetPid}} ->
mod_proxy65_stream:stop(InitiatorPid),
mod_proxy65_stream:stop(TargetPid),
Txt = <<"Too many active bytestreams">>,
xmpp:make_error(IQ, xmpp:err_resource_constraint(Txt, Lang));
conflict ->
{error, conflict} ->
Txt = <<"Bytestream already activated">>,
xmpp:make_error(IQ, xmpp:err_conflict(Txt, Lang));
Err ->
{error, Err} ->
?ERROR_MSG("failed to activate bytestream from ~s to ~s: ~p",
[Initiator, Target, Err]),
xmpp:make_error(IQ, xmpp:err_internal_server_error())
Txt = <<"Database failure">>,
xmpp:make_error(IQ, xmpp:err_internal_server_error(Txt, Lang))
end;
deny ->
Txt = <<"Denied by ACL">>,
xmpp:make_error(IQ, xmpp:err_forbidden(Txt, Lang))
end.
%%%-------------------------
%%% Auxiliary functions.
%%%-------------------------
@ -219,7 +227,8 @@ get_streamhost(Host, ServerHost) ->
HostName = gen_mod:get_module_opt(ServerHost, mod_proxy65, hostname,
fun iolist_to_binary/1,
jlib:ip_to_list(IP)),
#streamhost{jid = jid:make(Host),
Resource = ejabberd_cluster:node_id(),
#streamhost{jid = jid:make(<<"">>, Host, Resource),
host = HostName,
port = Port}.
@ -246,3 +255,9 @@ get_my_ip() ->
{ok, Addr} -> Addr;
{error, _} -> {127, 0, 0, 1}
end.
max_connections(ServerHost) ->
gen_mod:get_module_opt(ServerHost, mod_proxy65, max_connections,
fun(I) when is_integer(I), I>0 -> I;
(infinity) -> infinity
end, infinity).

171
src/mod_proxy65_sm.erl
View File

@ -1,171 +0,0 @@
%%%----------------------------------------------------------------------
%%% File : mod_proxy65_sm.erl
%%% Author : Evgeniy Khramtsov <xram@jabber.ru>
%%% Purpose : Bytestreams manager.
%%% Created : 12 Oct 2006 by Evgeniy Khramtsov <xram@jabber.ru>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_proxy65_sm).
-author('xram@jabber.ru').
-behaviour(gen_server).
%% gen_server callbacks.
-export([init/1, handle_info/2, handle_call/3,
handle_cast/2, terminate/2, code_change/3]).
-export([start_link/2, register_stream/1,
unregister_stream/1, activate_stream/4]).
-record(state, {max_connections = infinity :: non_neg_integer() | infinity}).
-record(bytestream,
{sha1 = <<"">> :: binary() | '$1',
target :: pid() | '_',
initiator :: pid() | '_',
active = false :: boolean() | '_',
jid_i = {<<"">>, <<"">>, <<"">>} :: jid:ljid() | '_'}).
-define(PROCNAME, ejabberd_mod_proxy65_sm).
%% Unused callbacks.
handle_cast(_Request, State) -> {noreply, State}.
code_change(_OldVsn, State, _Extra) -> {ok, State}.
handle_info(_Info, State) -> {noreply, State}.
%%----------------
start_link(Host, Opts) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
gen_server:start_link({local, Proc}, ?MODULE, [Opts],
[]).
init([Opts]) ->
ejabberd_mnesia:create(?MODULE, bytestream,
[{ram_copies, [node()]},
{attributes, record_info(fields, bytestream)}]),
mnesia:add_table_copy(bytestream, node(), ram_copies),
MaxConnections = gen_mod:get_opt(max_connections, Opts,
fun(I) when is_integer(I), I>0 ->
I;
(infinity) ->
infinity
end, infinity),
{ok, #state{max_connections = MaxConnections}}.
terminate(_Reason, _State) -> ok.
handle_call({activate, SHA1, IJid}, _From, State) ->
MaxConns = State#state.max_connections,
F = fun () ->
case mnesia:read(bytestream, SHA1, write) of
[#bytestream{target = TPid, initiator = IPid} =
ByteStream]
when is_pid(TPid), is_pid(IPid) ->
ActiveFlag = ByteStream#bytestream.active,
if ActiveFlag == false ->
ConnsPerJID = mnesia:select(bytestream,
[{#bytestream{sha1 =
'$1',
jid_i =
IJid,
_ = '_'},
[], ['$1']}]),
if length(ConnsPerJID) < MaxConns ->
mnesia:write(ByteStream#bytestream{active =
true,
jid_i =
IJid}),
{ok, IPid, TPid};
true -> {limit, IPid, TPid}
end;
true -> conflict
end;
_ -> false
end
end,
Reply = mnesia:transaction(F),
{reply, Reply, State};
handle_call(_Request, _From, State) ->
{reply, ok, State}.
%%%----------------------
%%% API.
%%%----------------------
%%%---------------------------------------------------
%%% register_stream(SHA1) -> {atomic, ok} |
%%% {atomic, error} |
%%% transaction abort
%%% SHA1 = string()
%%%---------------------------------------------------
register_stream(SHA1) when is_binary(SHA1) ->
StreamPid = self(),
F = fun () ->
case mnesia:read(bytestream, SHA1, write) of
[] ->
mnesia:write(#bytestream{sha1 = SHA1,
target = StreamPid});
[#bytestream{target = Pid, initiator = undefined} =
ByteStream]
when is_pid(Pid), Pid /= StreamPid ->
mnesia:write(ByteStream#bytestream{initiator =
StreamPid});
_ -> error
end
end,
mnesia:transaction(F).
%%%----------------------------------------------------
%%% unregister_stream(SHA1) -> ok | transaction abort
%%% SHA1 = string()
%%%----------------------------------------------------
unregister_stream(SHA1) when is_binary(SHA1) ->
F = fun () -> mnesia:delete({bytestream, SHA1}) end,
mnesia:transaction(F).
%%%--------------------------------------------------------
%%% activate_stream(SHA1, IJid, TJid, Host) -> ok |
%%% false |
%%% limit |
%%% conflict |
%%% error
%%% SHA1 = string()
%%% IJid = TJid = jid()
%%% Host = string()
%%%--------------------------------------------------------
activate_stream(SHA1, IJid, TJid, Host)
when is_binary(SHA1) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
case catch gen_server:call(Proc, {activate, SHA1, IJid})
of
{atomic, {ok, IPid, TPid}} ->
mod_proxy65_stream:activate({IPid, IJid}, {TPid, TJid});
{atomic, {limit, IPid, TPid}} ->
mod_proxy65_stream:stop(IPid),
mod_proxy65_stream:stop(TPid),
limit;
{atomic, conflict} -> conflict;
{atomic, false} -> false;
_ -> error
end.

10
src/mod_proxy65_stream.erl
View File

@ -99,9 +99,10 @@ init([Socket, Host, Opts]) ->
socket = Socket, shaper = Shaper, timer = TRef}}.
terminate(_Reason, StateName, #state{sha1 = SHA1}) ->
catch mod_proxy65_sm:unregister_stream(SHA1),
Mod = gen_mod:ram_db_mod(global, mod_proxy65),
Mod:unregister_stream(SHA1),
if StateName == stream_established ->
?INFO_MSG("Bytestream terminated", []);
?INFO_MSG("(~w) Bytestream terminated", [self()]);
true -> ok
end.
@ -168,8 +169,9 @@ wait_for_request(Packet,
Request = mod_proxy65_lib:unpack_request(Packet),
case Request of
#s5_request{sha1 = SHA1, cmd = connect} ->
case catch mod_proxy65_sm:register_stream(SHA1) of
{atomic, ok} ->
Mod = gen_mod:ram_db_mod(global, mod_proxy65),
case Mod:register_stream(SHA1, self()) of
ok ->
inet:setopts(Socket, [{active, false}]),
gen_tcp:send(Socket,
mod_proxy65_lib:make_reply(Request)),

78
src/mod_pubsub.erl
View File

@ -54,7 +54,8 @@
on_user_offline/3, remove_user/2,
disco_local_identity/5, disco_local_features/5,
disco_local_items/5, disco_sm_identity/5,
disco_sm_features/5, disco_sm_items/5]).
disco_sm_features/5, disco_sm_items/5,
c2s_handle_info/2]).
%% exported iq handlers
-export([iq_sm/1, process_disco_info/1, process_disco_items/1,
@ -274,7 +275,6 @@ init([ServerHost, Opts]) ->
ejabberd_mnesia:create(?MODULE, pubsub_last_item,
[{ram_copies, [node()]},
{attributes, record_info(fields, pubsub_last_item)}]),
mod_disco:register_feature(ServerHost, ?NS_PUBSUB),
lists:foreach(
fun(H) ->
T = gen_mod:get_module_proc(H, config),
@ -306,8 +306,8 @@ init([ServerHost, Opts]) ->
?MODULE, out_subscription, 50),
ejabberd_hooks:add(remove_user, ServerHost,
?MODULE, remove_user, 50),
ejabberd_hooks:add(anonymous_purge_hook, ServerHost,
?MODULE, remove_user, 50),
ejabberd_hooks:add(c2s_handle_info, ServerHost,
?MODULE, c2s_handle_info, 50),
gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_DISCO_INFO,
?MODULE, process_disco_info, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_DISCO_ITEMS,
@ -542,7 +542,7 @@ disco_local_features(Acc, _From, To, <<>>, _Lang) ->
{result, I} -> I;
_ -> []
end,
{result, Feats ++ [feature(F) || F <- features(Host, <<>>)]};
{result, Feats ++ [?NS_PUBSUB|[feature(F) || F <- features(Host, <<>>)]]};
disco_local_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
@ -922,15 +922,14 @@ terminate(_Reason,
?MODULE, out_subscription, 50),
ejabberd_hooks:delete(remove_user, ServerHost,
?MODULE, remove_user, 50),
ejabberd_hooks:delete(anonymous_purge_hook, ServerHost,
?MODULE, remove_user, 50),
ejabberd_hooks:delete(c2s_handle_info, ServerHost,
?MODULE, c2s_handle_info, 50),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_DISCO_INFO),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_DISCO_ITEMS),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_PUBSUB),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_PUBSUB_OWNER),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_VCARD),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_COMMANDS),
mod_disco:unregister_feature(ServerHost, ?NS_PUBSUB),
case whereis(gen_mod:get_module_proc(ServerHost, ?LOOPNAME)) of
undefined ->
?ERROR_MSG("~s process is dead, pubsub was broken", [?LOOPNAME]);
@ -2236,10 +2235,9 @@ dispatch_items({FromU, FromS, FromR} = From, {ToU, ToS, ToR} = To,
end,
if C2SPid == undefined -> ok;
true ->
ejabberd_c2s:send_filtered(C2SPid,
{pep_message, <<Node/binary, "+notify">>},
C2SPid ! {send_filtered, {pep_message, <<Node/binary, "+notify">>},
service_jid(From), jid:make(To),
Stanza)
Stanza}
end;
dispatch_items(From, To, _Node, Stanza) ->
ejabberd_router:route(service_jid(From), jid:make(To), Stanza).
@ -2773,8 +2771,9 @@ get_resource_state({U, S, R}, ShowValues, JIDs) ->
lists:append([{U, S, R}], JIDs);
Pid ->
Show = case ejabberd_c2s:get_presence(Pid) of
{_, _, <<"available">>, _} -> <<"online">>;
{_, _, State, _} -> State
#presence{type = unavailable} -> <<"unavailable">>;
#presence{show = undefined} -> <<"online">>;
#presence{show = S} -> atom_to_binary(S, latin1)
end,
case lists:member(Show, ShowValues) of
%% If yes, item can be delivered
@ -3020,25 +3019,56 @@ broadcast_stanza({LUser, LServer, LResource}, Publisher, Node, Nidx, Type, NodeO
broadcast_stanza({LUser, LServer, <<>>}, Node, Nidx, Type, NodeOptions, SubsByDepth, NotifyType, BaseStanza, SHIM),
%% Handles implicit presence subscriptions
SenderResource = user_resource(LUser, LServer, LResource),
case ejabberd_sm:get_session_pid(LUser, LServer, SenderResource) of
C2SPid when is_pid(C2SPid) ->
NotificationType = get_option(NodeOptions, notification_type, headline),
Stanza = add_message_type(BaseStanza, NotificationType),
%% set the from address on the notification to the bare JID of the account owner
%% Also, add "replyto" if entity has presence subscription to the account owner
%% See XEP-0163 1.1 section 4.3.1
ejabberd_c2s:broadcast(C2SPid,
{pep_message, <<((Node))/binary, "+notify">>},
_Sender = jid:make(LUser, LServer, <<"">>),
_StanzaToSend = add_extended_headers(
Stanza,
_ReplyTo = extended_headers([Publisher])));
_ ->
?DEBUG("~p@~p has no session; can't deliver ~p to contacts", [LUser, LServer, BaseStanza])
end;
ejabberd_sm:route(jid:make(LUser, LServer, SenderResource),
{pep_message, <<((Node))/binary, "+notify">>,
jid:make(LUser, LServer, <<"">>),
add_extended_headers(
Stanza, extended_headers([Publisher]))});
broadcast_stanza(Host, _Publisher, Node, Nidx, Type, NodeOptions, SubsByDepth, NotifyType, BaseStanza, SHIM) ->
broadcast_stanza(Host, Node, Nidx, Type, NodeOptions, SubsByDepth, NotifyType, BaseStanza, SHIM).
-spec c2s_handle_info(ejabberd_c2s:state(), term()) -> ejabberd_c2s:state().
c2s_handle_info(#{server := Server} = C2SState,
{pep_message, Feature, From, Packet}) ->
LServer = jid:nameprep(Server),
lists:foreach(
fun({USR, Caps}) ->
Features = mod_caps:get_features(LServer, Caps),
case lists:member(Feature, Features) of
true ->
To = jid:make(USR),
NewPacket = xmpp:set_from_to(Packet, From, To),
ejabberd_router:route(From, To, NewPacket);
false ->
ok
end
end, mod_caps:list_features(C2SState)),
{stop, C2SState};
c2s_handle_info(#{server := Server} = C2SState,
{send_filtered, {pep_message, Feature}, From, To, Packet}) ->
LServer = jid:nameprep(Server),
case mod_caps:get_user_caps(To, C2SState) of
{ok, Caps} ->
Features = mod_caps:get_features(LServer, Caps),
case lists:member(Feature, Features) of
true ->
NewPacket = xmpp:set_from_to(Packet, From, To),
ejabberd_router:route(From, To, NewPacket);
false ->
ok
end;
error ->
ok
end,
{stop, C2SState};
c2s_handle_info(C2SState, _) ->
C2SState.
subscribed_nodes_by_jid(NotifyType, SubsByDepth) ->
NodesToDeliver = fun (Depth, Node, Subs, Acc) ->
NodeName = case Node#pubsub_node.nodeid of

43
src/mod_register.erl
View File

@ -34,7 +34,7 @@
-behaviour(gen_mod).
-export([start/2, stop/1, stream_feature_register/2,
unauthenticated_iq_register/4, try_register/5,
c2s_unauthenticated_packet/2, try_register/5,
process_iq/1, send_registration_notifications/3,
transform_options/1, transform_module_options/1,
mod_opt_type/1, opt_type/1, depends/2]).
@ -50,10 +50,10 @@ start(Host, Opts) ->
?NS_REGISTER, ?MODULE, process_iq, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_REGISTER, ?MODULE, process_iq, IQDisc),
ejabberd_hooks:add(c2s_stream_features, Host, ?MODULE,
ejabberd_hooks:add(c2s_pre_auth_features, Host, ?MODULE,
stream_feature_register, 50),
ejabberd_hooks:add(c2s_unauthenticated_iq, Host,
?MODULE, unauthenticated_iq_register, 50),
ejabberd_hooks:add(c2s_unauthenticated_packet, Host,
?MODULE, c2s_unauthenticated_packet, 50),
ejabberd_mnesia:create(?MODULE, mod_register_ip,
[{ram_copies, [node()]}, {local_content, true},
{attributes, [key, value]}]),
@ -62,10 +62,10 @@ start(Host, Opts) ->
ok.
stop(Host) ->
ejabberd_hooks:delete(c2s_stream_features, Host,
ejabberd_hooks:delete(c2s_pre_auth_features, Host,
?MODULE, stream_feature_register, 50),
ejabberd_hooks:delete(c2s_unauthenticated_iq, Host,
?MODULE, unauthenticated_iq_register, 50),
ejabberd_hooks:delete(c2s_unauthenticated_packet, Host,
?MODULE, c2s_unauthenticated_packet, 50),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
?NS_REGISTER),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
@ -86,20 +86,21 @@ stream_feature_register(Acc, Host) ->
Acc
end.
-spec unauthenticated_iq_register(empty | iq(), binary(), iq(),
{inet:ip_address(), non_neg_integer()}) ->
empty | iq().
unauthenticated_iq_register(_Acc, Server,
#iq{sub_els = [#register{}]} = IQ, IP) ->
Address = case IP of
{A, _Port} -> A;
_ -> undefined
end,
ResIQ = process_iq(xmpp:set_from_to(IQ, jid:make(<<>>), jid:make(Server)),
Address),
xmpp:set_from_to(ResIQ, jid:make(Server), undefined);
unauthenticated_iq_register(Acc, _Server, _IQ, _IP) ->
Acc.
c2s_unauthenticated_packet(#{ip := IP, server := Server} = State,
#iq{type = T, sub_els = [_]} = IQ)
when T == set; T == get ->
case xmpp:get_subtag(IQ, #register{}) of
#register{} ->
{Address, _} = IP,
IQ1 = xmpp:set_from_to(IQ, jid:make(<<>>), jid:make(Server)),
ResIQ = process_iq(IQ1, Address),
ResIQ1 = xmpp:set_from_to(ResIQ, jid:make(Server), undefined),
{stop, ejabberd_c2s:send(State, ResIQ1)};
false ->
State
end;
c2s_unauthenticated_packet(State, _) ->
State.
process_iq(#iq{from = From} = IQ) ->
process_iq(IQ, jid:tolower(From)).

193
src/mod_roster.erl
View File

@ -43,9 +43,9 @@
-export([start/2, stop/1, process_iq/1, export/1,
import_info/0, process_local_iq/1, get_user_roster/2,
import/5, get_subscription_lists/3, get_roster/2,
import_start/2, import_stop/2,
get_in_pending_subscriptions/3, in_subscription/6,
import/5, c2s_session_opened/1, get_roster/2,
import_start/2, import_stop/2, user_receive_packet/1,
c2s_self_presence/1, in_subscription/6,
out_subscription/4, set_items/3, remove_user/2,
get_jid_info/4, encode_item/1, webadmin_page/3,
webadmin_user/4, get_versioning_feature/2,
@ -63,6 +63,8 @@
-include("ejabberd_web_admin.hrl").
-define(SETS, gb_sets).
-export_type([subscription/0]).
-callback init(binary(), gen_mod:opts()) -> any().
@ -92,22 +94,22 @@ start(Host, Opts) ->
?MODULE, in_subscription, 50),
ejabberd_hooks:add(roster_out_subscription, Host,
?MODULE, out_subscription, 50),
ejabberd_hooks:add(roster_get_subscription_lists, Host,
?MODULE, get_subscription_lists, 50),
ejabberd_hooks:add(c2s_session_opened, Host, ?MODULE,
c2s_session_opened, 50),
ejabberd_hooks:add(roster_get_jid_info, Host, ?MODULE,
get_jid_info, 50),
ejabberd_hooks:add(remove_user, Host, ?MODULE,
remove_user, 50),
ejabberd_hooks:add(anonymous_purge_hook, Host, ?MODULE,
remove_user, 50),
ejabberd_hooks:add(resend_subscription_requests_hook,
Host, ?MODULE, get_in_pending_subscriptions, 50),
ejabberd_hooks:add(roster_get_versioning_feature, Host,
ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
c2s_self_presence, 50),
ejabberd_hooks:add(c2s_post_auth_features, Host,
?MODULE, get_versioning_feature, 50),
ejabberd_hooks:add(webadmin_page_host, Host, ?MODULE,
webadmin_page, 50),
ejabberd_hooks:add(webadmin_user, Host, ?MODULE,
webadmin_user, 50),
ejabberd_hooks:add(user_receive_packet, Host, ?MODULE,
user_receive_packet, 50),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_ROSTER, ?MODULE, process_iq, IQDisc).
@ -118,22 +120,22 @@ stop(Host) ->
?MODULE, in_subscription, 50),
ejabberd_hooks:delete(roster_out_subscription, Host,
?MODULE, out_subscription, 50),
ejabberd_hooks:delete(roster_get_subscription_lists,
Host, ?MODULE, get_subscription_lists, 50),
ejabberd_hooks:delete(c2s_session_opened, Host, ?MODULE,
c2s_session_opened, 50),
ejabberd_hooks:delete(roster_get_jid_info, Host,
?MODULE, get_jid_info, 50),
ejabberd_hooks:delete(remove_user, Host, ?MODULE,
remove_user, 50),
ejabberd_hooks:delete(anonymous_purge_hook, Host,
?MODULE, remove_user, 50),
ejabberd_hooks:delete(resend_subscription_requests_hook,
Host, ?MODULE, get_in_pending_subscriptions, 50),
ejabberd_hooks:delete(roster_get_versioning_feature,
ejabberd_hooks:delete(c2s_self_presence, Host, ?MODULE,
c2s_self_presence, 50),
ejabberd_hooks:delete(c2s_post_auth_features,
Host, ?MODULE, get_versioning_feature, 50),
ejabberd_hooks:delete(webadmin_page_host, Host, ?MODULE,
webadmin_page, 50),
ejabberd_hooks:delete(webadmin_user, Host, ?MODULE,
webadmin_user, 50),
ejabberd_hooks:delete(user_receive_packet, Host, ?MODULE,
user_receive_packet, 50),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_ROSTER).
@ -214,10 +216,16 @@ roster_version_on_db(Host) ->
%% Returns a list that may contain an xmlelement with the XEP-237 feature if it's enabled.
-spec get_versioning_feature([xmpp_element()], binary()) -> [xmpp_element()].
get_versioning_feature(Acc, Host) ->
case gen_mod:is_loaded(Host, ?MODULE) of
true ->
case roster_versioning_enabled(Host) of
true ->
[#rosterver_feature{}|Acc];
false -> []
false ->
Acc
end;
false ->
Acc
end.
roster_version(LServer, LUser) ->
@ -417,10 +425,6 @@ process_iq_set(#iq{from = From, to = To,
end.
push_item(User, Server, From, Item) ->
ejabberd_sm:route(jid:make(<<"">>, <<"">>, <<"">>),
jid:make(User, Server, <<"">>),
{broadcast, {item, Item#roster.jid,
Item#roster.subscription}}),
case roster_versioning_enabled(Server) of
true ->
push_item_version(Server, User, From, Item,
@ -442,15 +446,12 @@ push_item(User, Server, Resource, From, Item,
not_found -> undefined;
_ -> RosterVersion
end,
ResIQ = #iq{type = set,
%% @doc Roster push, calculate and include the version attribute.
%% TODO: don't push to those who didn't load roster
To = jid:make(User, Server, Resource),
ResIQ = #iq{type = set, from = From, to = To,
id = <<"push", (randoms:get_string())/binary>>,
sub_els = [#roster_query{ver = Ver,
items = [encode_item(Item)]}]},
ejabberd_router:route(From,
jid:make(User, Server, Resource),
ResIQ).
ejabberd_router:route(From, To, xmpp:put_meta(ResIQ, roster_item, Item)).
push_item_version(Server, User, From, Item,
RosterVersion) ->
@ -460,26 +461,88 @@ push_item_version(Server, User, From, Item,
end,
ejabberd_sm:get_user_resources(User, Server)).
-spec get_subscription_lists({[ljid()], [ljid()]}, binary(), binary())
-> {[ljid()], [ljid()]}.
get_subscription_lists(_Acc, User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
-spec user_receive_packet({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
user_receive_packet({#iq{type = set, meta = #{roster_item := Item}} = IQ, State}) ->
{IQ, roster_change(State, Item)};
user_receive_packet(Acc) ->
Acc.
-spec roster_change(ejabberd_c2s:state(), #roster{}) -> ejabberd_c2s:state().
roster_change(#{user := U, server := S, resource := R,
pres_a := PresA, pres_f := PresF, pres_t := PresT} = State,
#roster{jid = IJID, subscription = ISubscription}) ->
LIJID = jid:tolower(IJID),
IsFrom = (ISubscription == both) or (ISubscription == from),
IsTo = (ISubscription == both) or (ISubscription == to),
OldIsFrom = ?SETS:is_element(LIJID, PresF),
FSet = if IsFrom -> ?SETS:add_element(LIJID, PresF);
true -> ?SETS:del_element(LIJID, PresF)
end,
TSet = if IsTo -> ?SETS:add_element(LIJID, PresT);
true -> ?SETS:del_element(LIJID, PresT)
end,
State1 = State#{pres_f => FSet, pres_t => TSet},
case maps:get(pres_last, State, undefined) of
undefined ->
State1;
LastPres ->
From = jid:make(U, S, R),
To = jid:make(IJID),
Cond1 = IsFrom andalso not OldIsFrom,
Cond2 = not IsFrom andalso OldIsFrom andalso
?SETS:is_element(LIJID, PresA),
if Cond1 ->
case ejabberd_hooks:run_fold(
privacy_check_packet, allow,
[State1, LastPres, out]) of
deny ->
ok;
allow ->
Pres = xmpp:set_from_to(LastPres, From, To),
ejabberd_router:route(From, To, Pres)
end,
A = ?SETS:add_element(LIJID, PresA),
State1#{pres_a => A};
Cond2 ->
PU = #presence{from = From, to = To, type = unavailable},
case ejabberd_hooks:run_fold(
privacy_check_packet, allow,
[State1, PU, out]) of
deny ->
ok;
allow ->
ejabberd_router:route(From, To, PU)
end,
A = ?SETS:del_element(LIJID, PresA),
State1#{pres_a => A};
true ->
State1
end
end.
-spec c2s_session_opened(ejabberd_c2s:state()) -> ejabberd_c2s:state().
c2s_session_opened(#{jid := #jid{luser = LUser, lserver = LServer} = JID,
pres_f := PresF, pres_t := PresT} = State) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Items = Mod:get_only_items(LUser, LServer),
fill_subscription_lists(LServer, Items, [], []).
{F, T} = fill_subscription_lists(Items, PresF, PresT),
LJID = jid:tolower(jid:remove_resource(JID)),
State#{pres_f => ?SETS:add(LJID, F), pres_t => ?SETS:add(LJID, T)}.
fill_subscription_lists(LServer, [I | Is], F, T) ->
fill_subscription_lists([I | Is], F, T) ->
J = element(3, I#roster.usj),
case I#roster.subscription of
{F1, T1} = case I#roster.subscription of
both ->
fill_subscription_lists(LServer, Is, [J | F], [J | T]);
{?SETS:add_element(J, F), ?SETS:add_element(J, T)};
from ->
fill_subscription_lists(LServer, Is, [J | F], T);
to -> fill_subscription_lists(LServer, Is, F, [J | T]);
_ -> fill_subscription_lists(LServer, Is, F, T)
end;
fill_subscription_lists(_LServer, [], F, T) ->
{?SETS:add_element(J, F), T};
to ->
{F, ?SETS:add_element(J, T)};
_ ->
{F, T}
end,
fill_subscription_lists(Is, F1, T1);
fill_subscription_lists([], F, T) ->
{F, T}.
ask_to_pending(subscribe) -> out;
@ -772,27 +835,47 @@ process_item_set_t(LUser, LServer, #roster_item{jid = JID1} = QueryItem) ->
end;
process_item_set_t(_LUser, _LServer, _) -> ok.
-spec get_in_pending_subscriptions([presence()], binary(), binary()) -> [presence()].
get_in_pending_subscriptions(Ls, User, Server) ->
LServer = jid:nameprep(Server),
-spec c2s_self_presence({presence(), ejabberd_c2s:state()})
-> {presence(), ejabberd_c2s:state()}.
c2s_self_presence({_, #{pres_last := _}} = Acc) ->
Acc;
c2s_self_presence({#presence{type = available} = Pkt,
#{lserver := LServer} = State}) ->
Prio = get_priority_from_presence(Pkt),
if Prio >= 0 ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
get_in_pending_subscriptions(Ls, User, Server, Mod).
State1 = resend_pending_subscriptions(State, Mod),
{Pkt, State1};
true ->
{Pkt, State}
end;
c2s_self_presence(Acc) ->
Acc.
get_in_pending_subscriptions(Ls, User, Server, Mod) ->
JID = jid:make(User, Server, <<"">>),
-spec resend_pending_subscriptions(ejabberd_c2s:state(), module()) -> ejabberd_c2s:state().
resend_pending_subscriptions(#{jid := JID} = State, Mod) ->
BareJID = jid:remove_resource(JID),
Result = Mod:get_only_items(JID#jid.luser, JID#jid.lserver),
Ls ++ lists:flatmap(
fun(#roster{ask = Ask} = R) when Ask == in; Ask == both ->
lists:foldl(
fun(#roster{ask = Ask} = R, AccState) when Ask == in; Ask == both ->
Message = R#roster.askmessage,
Status = if is_binary(Message) -> (Message);
true -> <<"">>
end,
[#presence{from = R#roster.jid, to = JID,
Sub = #presence{from = R#roster.jid, to = BareJID,
type = subscribe,
status = xmpp:mk_text(Status)}];
(_) ->
[]
end, Result).
status = xmpp:mk_text(Status)},
ejabberd_c2s:send(AccState, Sub);
(_, AccState) ->
AccState
end, State, Result).
-spec get_priority_from_presence(presence()) -> integer().
get_priority_from_presence(#presence{priority = Prio}) ->
case Prio of
undefined -> 0;
_ -> Prio
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

334
src/mod_s2s_dialback.erl Normal file
View File

@ -0,0 +1,334 @@
%%%-------------------------------------------------------------------
%%% Created : 16 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(mod_s2s_dialback).
-behaviour(gen_mod).
-protocol({xep, 220, '1.1.1'}).
-protocol({xep, 185, '1.0'}).
%% gen_mod API
-export([start/2, stop/1, depends/2, mod_opt_type/1]).
%% Hooks
-export([s2s_out_auth_result/2, s2s_out_downgraded/2,
s2s_in_packet/2, s2s_out_packet/2, s2s_in_recv/3,
s2s_in_features/2, s2s_out_init/2, s2s_out_closed/2]).
-include("ejabberd.hrl").
-include("xmpp.hrl").
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
start(Host, _Opts) ->
case ejabberd_s2s:tls_verify(Host) of
true ->
?ERROR_MSG("disabling ~s for host ~s because option "
"'s2s_use_starttls' is set to 'required_trusted'",
[?MODULE, Host]);
false ->
ejabberd_hooks:add(s2s_out_init, Host, ?MODULE, s2s_out_init, 50),
ejabberd_hooks:add(s2s_out_closed, Host, ?MODULE, s2s_out_closed, 50),
ejabberd_hooks:add(s2s_in_pre_auth_features, Host, ?MODULE,
s2s_in_features, 50),
ejabberd_hooks:add(s2s_in_post_auth_features, Host, ?MODULE,
s2s_in_features, 50),
ejabberd_hooks:add(s2s_in_handle_recv, Host, ?MODULE,
s2s_in_recv, 50),
ejabberd_hooks:add(s2s_in_unauthenticated_packet, Host, ?MODULE,
s2s_in_packet, 50),
ejabberd_hooks:add(s2s_in_authenticated_packet, Host, ?MODULE,
s2s_in_packet, 50),
ejabberd_hooks:add(s2s_out_packet, Host, ?MODULE,
s2s_out_packet, 50),
ejabberd_hooks:add(s2s_out_downgraded, Host, ?MODULE,
s2s_out_downgraded, 50),
ejabberd_hooks:add(s2s_out_auth_result, Host, ?MODULE,
s2s_out_auth_result, 50)
end.
stop(Host) ->
ejabberd_hooks:delete(s2s_out_init, Host, ?MODULE, s2s_out_init, 50),
ejabberd_hooks:delete(s2s_out_closed, Host, ?MODULE, s2s_out_closed, 50),
ejabberd_hooks:delete(s2s_in_pre_auth_features, Host, ?MODULE,
s2s_in_features, 50),
ejabberd_hooks:delete(s2s_in_post_auth_features, Host, ?MODULE,
s2s_in_features, 50),
ejabberd_hooks:delete(s2s_in_handle_recv, Host, ?MODULE,
s2s_in_recv, 50),
ejabberd_hooks:delete(s2s_in_unauthenticated_packet, Host, ?MODULE,
s2s_in_packet, 50),
ejabberd_hooks:delete(s2s_in_authenticated_packet, Host, ?MODULE,
s2s_in_packet, 50),
ejabberd_hooks:delete(s2s_out_packet, Host, ?MODULE,
s2s_out_packet, 50),
ejabberd_hooks:delete(s2s_out_downgraded, Host, ?MODULE,
s2s_out_downgraded, 50),
ejabberd_hooks:delete(s2s_out_auth_result, Host, ?MODULE,
s2s_out_auth_result, 50).
depends(_Host, _Opts) ->
[].
mod_opt_type(_) ->
[].
s2s_in_features(Acc, _) ->
[#db_feature{errors = true}|Acc].
s2s_out_init({ok, State}, Opts) ->
case proplists:get_value(db_verify, Opts) of
{StreamID, Key, Pid} ->
%% This is an outbound s2s connection created at step 1.
%% The purpose of this connection is to verify dialback key ONLY.
%% The connection is not registered in s2s table and thus is not
%% seen by anyone.
%% The connection will be closed immediately after receiving the
%% verification response (at step 3)
{ok, State#{db_verify => {StreamID, Key, Pid}}};
undefined ->
{ok, State#{db_enabled => true}}
end;
s2s_out_init(Acc, _Opts) ->
Acc.
s2s_out_closed(#{server := LServer,
remote_server := RServer,
db_verify := {StreamID, _Key, _Pid}} = State, Reason) ->
%% Outbound s2s verificating connection (created at step 1) is
%% closed suddenly without receiving the response.
%% Building a response on our own
Response = #db_verify{from = RServer, to = LServer,
id = StreamID, type = error,
sub_els = [mk_error(Reason)]},
s2s_out_packet(State, Response);
s2s_out_closed(State, _Reason) ->
State.
s2s_out_auth_result(#{db_verify := _} = State, _) ->
%% The temporary outbound s2s connect (intended for verification)
%% has passed authentication state (either successfully or not, no matter)
%% and at this point we can send verification request as described
%% in section 2.1.2, step 2
{stop, send_verify_request(State)};
s2s_out_auth_result(#{db_enabled := true,
sockmod := SockMod,
socket := Socket, ip := IP,
server := LServer,
remote_server := RServer} = State, {false, _}) ->
%% SASL authentication has failed, retrying with dialback
%% Sending dialback request, section 2.1.1, step 1
?INFO_MSG("(~s) Retrying with s2s dialback authentication: ~s -> ~s (~s)",
[SockMod:pp(Socket), LServer, RServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP))]),
State1 = maps:remove(stop_reason, State#{on_route => queue}),
{stop, send_db_request(State1)};
s2s_out_auth_result(State, _) ->
State.
s2s_out_downgraded(#{db_verify := _} = State, _) ->
%% The verifying outbound s2s connection detected non-RFC compliant
%% server, send verification request immediately without auth phase,
%% section 2.1.2, step 2
{stop, send_verify_request(State)};
s2s_out_downgraded(#{db_enabled := true,
sockmod := SockMod,
socket := Socket, ip := IP,
server := LServer,
remote_server := RServer} = State, _) ->
%% non-RFC compliant server detected, send dialback request instantly,
%% section 2.1.1, step 1
?INFO_MSG("(~s) Trying s2s dialback authentication with "
"non-RFC compliant server: ~s -> ~s (~s)",
[SockMod:pp(Socket), LServer, RServer,
ejabberd_config:may_hide_data(jlib:ip_to_list(IP))]),
{stop, send_db_request(State)};
s2s_out_downgraded(State, _) ->
State.
s2s_in_packet(#{stream_id := StreamID} = State,
#db_result{from = From, to = To, key = Key, type = undefined}) ->
%% Received dialback request, section 2.2.1, step 1
try
ok = check_from_to(From, To),
%% We're creating a temporary outbound s2s connection to
%% send verification request and to receive verification response
{ok, Pid} = ejabberd_s2s_out:start(
To, From, [{db_verify, {StreamID, Key, self()}}]),
ejabberd_s2s_out:connect(Pid),
State
catch _:{badmatch, {error, Reason}} ->
send_db_result(State,
#db_verify{from = From, to = To, type = error,
sub_els = [mk_error(Reason)]})
end;
s2s_in_packet(State, #db_verify{to = To, from = From, key = Key,
id = StreamID, type = undefined}) ->
%% Received verification request, section 2.2.2, step 2
Type = case make_key(To, From, StreamID) of
Key -> valid;
_ -> invalid
end,
Response = #db_verify{from = To, to = From, id = StreamID, type = Type},
ejabberd_s2s_in:send(State, Response);
s2s_in_packet(State, Pkt) when is_record(Pkt, db_result);
is_record(Pkt, db_verify) ->
?WARNING_MSG("Got stray dialback packet:~n~s", [xmpp:pp(Pkt)]),
State;
s2s_in_packet(State, _) ->
State.
s2s_in_recv(State, El, {error, Why}) ->
case xmpp:get_name(El) of
Tag when Tag == <<"db:result">>;
Tag == <<"db:verify">> ->
case xmpp:get_type(El) of
T when T /= <<"valid">>,
T /= <<"invalid">>,
T /= <<"error">> ->
Err = xmpp:make_error(El, mk_error({codec_error, Why})),
{stop, ejabberd_s2s_in:send(State, Err)};
_ ->
State
end;
_ ->
State
end;
s2s_in_recv(State, _El, _Pkt) ->
State.
s2s_out_packet(#{server := LServer,
remote_server := RServer,
db_verify := {StreamID, _Key, Pid}} = State,
#db_verify{from = RServer, to = LServer,
id = StreamID, type = Type} = Response)
when Type /= undefined ->
%% Received verification response, section 2.1.2, step 3
%% This is a response for the request sent at step 2
ejabberd_s2s_in:update_state(
Pid, fun(S) -> send_db_result(S, Response) end),
%% At this point the connection is no longer needed and we can terminate it
ejabberd_s2s_out:stop(State);
s2s_out_packet(#{server := LServer, remote_server := RServer} = State,
#db_result{to = LServer, from = RServer,
type = Type} = Result) when Type /= undefined ->
%% Received dialback response, section 2.1.1, step 4
%% This is a response to the request sent at step 1
State1 = maps:remove(db_enabled, State),
case Type of
valid ->
State2 = ejabberd_s2s_out:handle_auth_success(<<"dialback">>, State1),
ejabberd_s2s_out:establish(State2);
_ ->
Reason = format_error(Result),
ejabberd_s2s_out:handle_auth_failure(<<"dialback">>, {auth, Reason}, State1)
end;
s2s_out_packet(State, Pkt) when is_record(Pkt, db_result);
is_record(Pkt, db_verify) ->
?WARNING_MSG("Got stray dialback packet:~n~s", [xmpp:pp(Pkt)]),
State;
s2s_out_packet(State, _) ->
State.
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec make_key(binary(), binary(), binary()) -> binary().
make_key(From, To, StreamID) ->
Secret = ejabberd_config:get_option(shared_key, fun(V) -> V end),
p1_sha:to_hexlist(
crypto:hmac(sha256, p1_sha:to_hexlist(crypto:hash(sha256, Secret)),
[To, " ", From, " ", StreamID])).
-spec send_verify_request(ejabberd_s2s_out:state()) -> ejabberd_s2s_out:state().
send_verify_request(#{server := LServer,
remote_server := RServer,
db_verify := {StreamID, Key, _Pid}} = State) ->
Request = #db_verify{from = LServer, to = RServer,
key = Key, id = StreamID},
ejabberd_s2s_out:send(State, Request).
-spec send_db_request(ejabberd_s2s_out:state()) -> ejabberd_s2s_out:state().
send_db_request(#{server := LServer,
remote_server := RServer,
stream_remote_id := StreamID} = State) ->
Key = make_key(LServer, RServer, StreamID),
ejabberd_s2s_out:send(State, #db_result{from = LServer,
to = RServer,
key = Key}).
-spec send_db_result(ejabberd_s2s_in:state(), db_verify()) -> ejabberd_s2s_in:state().
send_db_result(State, #db_verify{from = From, to = To,
type = Type, sub_els = Els}) ->
%% Sending dialback response, section 2.2.1, step 4
%% This is a response to the request received at step 1
Response = #db_result{from = To, to = From, type = Type, sub_els = Els},
State1 = ejabberd_s2s_in:send(State, Response),
case Type of
valid ->
State2 = ejabberd_s2s_in:handle_auth_success(
From, <<"dialback">>, undefined, State1),
ejabberd_s2s_in:establish(State2);
_ ->
Reason = format_error(Response),
ejabberd_s2s_in:handle_auth_failure(
From, <<"dialback">>, Reason, State1)
end.
-spec check_from_to(binary(), binary()) -> ok | {error, forbidden | host_unknown}.
check_from_to(From, To) ->
case ejabberd_router:is_my_route(To) of
false -> {error, host_unknown};
true ->
LServer = ejabberd_router:host_of_route(To),
case ejabberd_s2s:allow_host(LServer, From) of
true -> ok;
false -> {error, forbidden}
end
end.
-spec mk_error(term()) -> stanza_error().
mk_error(forbidden) ->
xmpp:err_forbidden(<<"Denied by ACL">>, ?MYLANG);
mk_error(host_unknown) ->
xmpp:err_not_allowed(<<"Host unknown">>, ?MYLANG);
mk_error({codec_error, Why}) ->
xmpp:err_bad_request(xmpp:io_format_error(Why), ?MYLANG);
mk_error({_Class, _Reason} = Why) ->
Txt = xmpp_stream_out:format_error(Why),
xmpp:err_remote_server_not_found(Txt, ?MYLANG);
mk_error(_) ->
xmpp:err_internal_server_error().
-spec format_error(db_result()) -> binary().
format_error(#db_result{type = invalid}) ->
<<"invalid dialback key">>;
format_error(#db_result{type = error, sub_els = Els}) ->
%% TODO: improve xmpp.erl
case xmpp:get_error(#message{sub_els = Els}) of
#stanza_error{reason = Reason} ->
erlang:atom_to_binary(Reason, latin1);
undefined ->
<<"unrecognized error">>
end;
format_error(_) ->
<<"unexpected dialback result">>.

20
src/mod_service_log.erl
View File

@ -29,8 +29,8 @@
-behaviour(gen_mod).
-export([start/2, stop/1, log_user_send/4,
log_user_receive/5, mod_opt_type/1, depends/2]).
-export([start/2, stop/1, log_user_send/1,
log_user_receive/1, mod_opt_type/1, depends/2]).
-include("ejabberd.hrl").
-include("logger.hrl").
@ -54,15 +54,19 @@ stop(Host) ->
depends(_Host, _Opts) ->
[].
-spec log_user_send(stanza(), ejabberd_c2s:state(), jid(), jid()) -> stanza().
log_user_send(Packet, _C2SState, From, To) ->
-spec log_user_send({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
log_user_send({Packet, C2SState}) ->
From = xmpp:get_from(Packet),
To = xmpp:get_to(Packet),
log_packet(From, To, Packet, From#jid.lserver),
Packet.
{Packet, C2SState}.
-spec log_user_receive(stanza(), ejabberd_c2s:state(), jid(), jid(), jid()) -> stanza().
log_user_receive(Packet, _C2SState, _JID, From, To) ->
-spec log_user_receive({stanza(), ejabberd_c2s:state()}) -> {stanza(), ejabberd_c2s:state()}.
log_user_receive({Packet, C2SState}) ->
From = xmpp:get_from(Packet),
To = xmpp:get_to(Packet),
log_packet(From, To, Packet, To#jid.lserver),
Packet.
{Packet, C2SState}.
-spec log_packet(jid(), jid(), stanza(), binary()) -> ok.
log_packet(From, To, Packet, Host) ->

69
src/mod_shared_roster.erl
View File

@ -31,9 +31,9 @@
-export([start/2, stop/1, export/1,
import_info/0, webadmin_menu/3, webadmin_page/3,
get_user_roster/2, get_subscription_lists/3,
get_user_roster/2, c2s_session_opened/1,
get_jid_info/4, import/5, process_item/2, import_start/2,
in_subscription/6, out_subscription/4, user_available/1,
in_subscription/6, out_subscription/4, c2s_self_presence/1,
unset_presence/4, register_user/2, remove_user/2,
list_groups/1, create_group/2, create_group/3,
delete_group/2, get_group_opts/2, set_group_opts/3,
@ -54,6 +54,8 @@
-include("mod_shared_roster.hrl").
-define(SETS, gb_sets).
-type group_options() :: [{atom(), any()}].
-callback init(binary(), gen_mod:opts()) -> any().
-callback import(binary(), binary(), [binary()]) -> ok.
@ -84,20 +86,18 @@ start(Host, Opts) ->
?MODULE, in_subscription, 30),
ejabberd_hooks:add(roster_out_subscription, Host,
?MODULE, out_subscription, 30),
ejabberd_hooks:add(roster_get_subscription_lists, Host,
?MODULE, get_subscription_lists, 70),
ejabberd_hooks:add(c2s_session_opened, Host,
?MODULE, c2s_session_opened, 70),
ejabberd_hooks:add(roster_get_jid_info, Host, ?MODULE,
get_jid_info, 70),
ejabberd_hooks:add(roster_process_item, Host, ?MODULE,
process_item, 50),
ejabberd_hooks:add(user_available_hook, Host, ?MODULE,
user_available, 50),
ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
c2s_self_presence, 50),
ejabberd_hooks:add(unset_presence_hook, Host, ?MODULE,
unset_presence, 50),
ejabberd_hooks:add(register_user, Host, ?MODULE,
register_user, 50),
ejabberd_hooks:add(anonymous_purge_hook, Host, ?MODULE,
remove_user, 50),
ejabberd_hooks:add(remove_user, Host, ?MODULE,
remove_user, 50).
@ -112,20 +112,18 @@ stop(Host) ->
?MODULE, in_subscription, 30),
ejabberd_hooks:delete(roster_out_subscription, Host,
?MODULE, out_subscription, 30),
ejabberd_hooks:delete(roster_get_subscription_lists,
Host, ?MODULE, get_subscription_lists, 70),
ejabberd_hooks:delete(c2s_session_opened,
Host, ?MODULE, c2s_session_opened, 70),
ejabberd_hooks:delete(roster_get_jid_info, Host,
?MODULE, get_jid_info, 70),
ejabberd_hooks:delete(roster_process_item, Host,
?MODULE, process_item, 50),
ejabberd_hooks:delete(user_available_hook, Host,
?MODULE, user_available, 50),
ejabberd_hooks:delete(c2s_self_presence, Host,
?MODULE, c2s_self_presence, 50),
ejabberd_hooks:delete(unset_presence_hook, Host,
?MODULE, unset_presence, 50),
ejabberd_hooks:delete(register_user, Host, ?MODULE,
register_user, 50),
ejabberd_hooks:delete(anonymous_purge_hook, Host,
?MODULE, remove_user, 50),
ejabberd_hooks:delete(remove_user, Host, ?MODULE,
remove_user,
50).
@ -294,19 +292,21 @@ set_item(User, Server, Resource, Item) ->
jid:make(Server),
ResIQ).
-spec get_subscription_lists({[ljid()], [ljid()]}, binary(), binary())
-> {[ljid()], [ljid()]}.
get_subscription_lists({F, T}, User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
c2s_session_opened(#{jid := #jid{luser = LUser, lserver = LServer} = JID,
pres_f := PresF, pres_t := PresT} = State) ->
US = {LUser, LServer},
DisplayedGroups = get_user_displayed_groups(US),
SRUsers = lists:usort(lists:flatmap(fun (Group) ->
SRUsers = lists:flatmap(fun(Group) ->
get_group_users(LServer, Group)
end,
DisplayedGroups)),
SRJIDs = [{U1, S1, <<"">>} || {U1, S1} <- SRUsers],
{lists:usort(SRJIDs ++ F), lists:usort(SRJIDs ++ T)}.
DisplayedGroups),
BareLJID = jid:tolower(jid:remove_resource(JID)),
PresBoth = lists:foldl(
fun({U, S}, Acc) ->
?SETS:add_element({U, S, <<"">>}, Acc)
end, ?SETS:new(), [BareLJID|SRUsers]),
State#{pres_f => ?SETS:union(PresBoth, PresF),
pres_t => ?SETS:union(PresBoth, PresT)}.
-spec get_jid_info({subscription(), [binary()]}, binary(), binary(), jid())
-> {subscription(), [binary()]}.
@ -739,12 +739,15 @@ push_roster_item(User, Server, ContactU, ContactS,
groups = [GroupName]},
push_item(User, Server, Item).
-spec user_available(jid()) -> ok.
user_available(New) ->
-spec c2s_self_presence({presence(), ejabberd_c2s:state()})
-> {presence(), ejabberd_c2s:state()}.
c2s_self_presence({_, #{pres_last := _}} = Acc) ->
%% This is just a presence update, nothing to do
Acc;
c2s_self_presence({#presence{type = available}, #{jid := New}} = Acc) ->
LUser = New#jid.luser,
LServer = New#jid.lserver,
Resources = ejabberd_sm:get_user_resources(LUser,
LServer),
Resources = ejabberd_sm:get_user_resources(LUser, LServer),
?DEBUG("user_available for ~p @ ~p (~p resources)",
[LUser, LServer, length(Resources)]),
case length(Resources) of
@ -761,7 +764,10 @@ user_available(New) ->
end,
UserGroups);
_ -> ok
end.
end,
Acc;
c2s_self_presence(Acc) ->
Acc.
-spec unset_presence(binary(), binary(), binary(), binary()) -> ok.
unset_presence(LUser, LServer, Resource, Status) ->
@ -1038,11 +1044,8 @@ split_grouphost(Host, Group) ->
end.
broadcast_subscription(User, Server, ContactJid, Subscription) ->
ejabberd_sm:route(
jid:make(<<"">>, Server, <<"">>),
jid:make(User, Server, <<"">>),
{broadcast, {item, ContactJid,
Subscription}}).
ejabberd_sm:route(jid:make(User, Server, <<"">>),
{item, ContactJid, Subscription}).
displayed_groups_update(Members, DisplayedGroups, Subscription) ->
lists:foreach(fun({U, S}) ->

31
src/mod_shared_roster_ldap.erl
View File

@ -39,7 +39,7 @@
-export([init/1, handle_call/3, handle_cast/2,
handle_info/2, terminate/2, code_change/3]).
-export([get_user_roster/2, get_subscription_lists/3,
-export([get_user_roster/2, c2s_session_opened/1,
get_jid_info/4, process_item/2, in_subscription/6,
out_subscription/4, mod_opt_type/1, opt_type/1, depends/2]).
@ -49,6 +49,7 @@
-include("mod_roster.hrl").
-include("eldap.hrl").
-define(SETS, gb_sets).
-define(CACHE_SIZE, 1000).
-define(USER_CACHE_VALIDITY, 300). %% in seconds
-define(GROUP_CACHE_VALIDITY, 300).
@ -160,19 +161,21 @@ process_item(RosterItem, _Host) ->
_ -> RosterItem#roster{subscription = both, ask = none}
end.
-spec get_subscription_lists({[ljid()], [ljid()]}, binary(), binary())
-> {[ljid()], [ljid()]}.
get_subscription_lists({F, T}, User, Server) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
c2s_session_opened(#{jid := #jid{luser = LUser, lserver = LServer} = JID,
pres_f := PresF, pres_t := PresT} = State) ->
US = {LUser, LServer},
DisplayedGroups = get_user_displayed_groups(US),
SRUsers = lists:usort(lists:flatmap(fun (Group) ->
SRUsers = lists:flatmap(fun(Group) ->
get_group_users(LServer, Group)
end,
DisplayedGroups)),
SRJIDs = [{U1, S1, <<"">>} || {U1, S1} <- SRUsers],
{lists:usort(SRJIDs ++ F), lists:usort(SRJIDs ++ T)}.
DisplayedGroups),
BareLJID = jid:tolower(jid:remove_resource(JID)),
PresBoth = lists:foldl(
fun({U, S}, Acc) ->
?SETS:add_element({U, S, <<"">>}, Acc)
end, ?SETS:new(), [BareLJID|SRUsers]),
State#{pres_f => ?SETS:union(PresBoth, PresF),
pres_t => ?SETS:union(PresBoth, PresT)}.
-spec get_jid_info({subscription(), [binary()]}, binary(), binary(), jid())
-> {subscription(), [binary()]}.
@ -246,8 +249,8 @@ init([Host, Opts]) ->
?MODULE, in_subscription, 30),
ejabberd_hooks:add(roster_out_subscription, Host,
?MODULE, out_subscription, 30),
ejabberd_hooks:add(roster_get_subscription_lists, Host,
?MODULE, get_subscription_lists, 70),
ejabberd_hooks:add(c2s_session_opened, Host,
?MODULE, c2s_session_opened, 70),
ejabberd_hooks:add(roster_get_jid_info, Host, ?MODULE,
get_jid_info, 70),
ejabberd_hooks:add(roster_process_item, Host, ?MODULE,
@ -275,8 +278,8 @@ terminate(_Reason, State) ->
?MODULE, in_subscription, 30),
ejabberd_hooks:delete(roster_out_subscription, Host,
?MODULE, out_subscription, 30),
ejabberd_hooks:delete(roster_get_subscription_lists,
Host, ?MODULE, get_subscription_lists, 70),
ejabberd_hooks:delete(c2s_session_opened,
Host, ?MODULE, c2s_session_opened, 70),
ejabberd_hooks:delete(roster_get_jid_info, Host,
?MODULE, get_jid_info, 70),
ejabberd_hooks:delete(roster_process_item, Host,

760
src/mod_sm.erl Normal file
View File

@ -0,0 +1,760 @@
%%%-------------------------------------------------------------------
%%% Author : Holger Weiss <holger@zedat.fu-berlin.de>
%%% Created : 25 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(mod_sm).
-behaviour(gen_mod).
-author('holger@zedat.fu-berlin.de').
-protocol({xep, 198, '1.5.2'}).
%% gen_mod API
-export([start/2, stop/1, depends/2, mod_opt_type/1]).
%% hooks
-export([c2s_stream_init/2, c2s_stream_started/2, c2s_stream_features/2,
c2s_authenticated_packet/2, c2s_unauthenticated_packet/2,
c2s_unbinded_packet/2, c2s_closed/2, c2s_terminated/2,
c2s_handle_send/3, c2s_handle_info/2, c2s_handle_call/3,
c2s_handle_recv/3]).
-include("xmpp.hrl").
-include("logger.hrl").
-define(is_sm_packet(Pkt),
is_record(Pkt, sm_enable) or
is_record(Pkt, sm_resume) or
is_record(Pkt, sm_a) or
is_record(Pkt, sm_r)).
-type state() :: ejabberd_c2s:state().
-type lqueue() :: {non_neg_integer(), queue:queue()}.
%%%===================================================================
%%% API
%%%===================================================================
start(Host, _Opts) ->
ejabberd_hooks:add(c2s_init, ?MODULE, c2s_stream_init, 50),
ejabberd_hooks:add(c2s_stream_started, Host, ?MODULE,
c2s_stream_started, 50),
ejabberd_hooks:add(c2s_post_auth_features, Host, ?MODULE,
c2s_stream_features, 50),
ejabberd_hooks:add(c2s_unauthenticated_packet, Host, ?MODULE,
c2s_unauthenticated_packet, 50),
ejabberd_hooks:add(c2s_unbinded_packet, Host, ?MODULE,
c2s_unbinded_packet, 50),
ejabberd_hooks:add(c2s_authenticated_packet, Host, ?MODULE,
c2s_authenticated_packet, 50),
ejabberd_hooks:add(c2s_handle_send, Host, ?MODULE, c2s_handle_send, 50),
ejabberd_hooks:add(c2s_handle_recv, Host, ?MODULE, c2s_handle_recv, 50),
ejabberd_hooks:add(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
ejabberd_hooks:add(c2s_handle_call, Host, ?MODULE, c2s_handle_call, 50),
ejabberd_hooks:add(c2s_closed, Host, ?MODULE, c2s_closed, 50),
ejabberd_hooks:add(c2s_terminated, Host, ?MODULE, c2s_terminated, 50).
stop(Host) ->
%% TODO: do something with global 'c2s_init' hook
ejabberd_hooks:delete(c2s_stream_started, Host, ?MODULE,
c2s_stream_started, 50),
ejabberd_hooks:delete(c2s_post_auth_features, Host, ?MODULE,
c2s_stream_features, 50),
ejabberd_hooks:delete(c2s_unauthenticated_packet, Host, ?MODULE,
c2s_unauthenticated_packet, 50),
ejabberd_hooks:delete(c2s_unbinded_packet, Host, ?MODULE,
c2s_unbinded_packet, 50),
ejabberd_hooks:delete(c2s_authenticated_packet, Host, ?MODULE,
c2s_authenticated_packet, 50),
ejabberd_hooks:delete(c2s_handle_send, Host, ?MODULE, c2s_handle_send, 50),
ejabberd_hooks:delete(c2s_handle_recv, Host, ?MODULE, c2s_handle_recv, 50),
ejabberd_hooks:delete(c2s_handle_info, Host, ?MODULE, c2s_handle_info, 50),
ejabberd_hooks:delete(c2s_handle_call, Host, ?MODULE, c2s_handle_call, 50),
ejabberd_hooks:delete(c2s_closed, Host, ?MODULE, c2s_closed, 50),
ejabberd_hooks:delete(c2s_terminated, Host, ?MODULE, c2s_terminated, 50).
depends(_Host, _Opts) ->
[].
c2s_stream_init({ok, State}, Opts) ->
MgmtOpts = lists:filter(
fun({stream_management, _}) -> true;
({max_ack_queue, _}) -> true;
({resume_timeout, _}) -> true;
({max_resume_timeout, _}) -> true;
({ack_timeout, _}) -> true;
({resend_on_timeout, _}) -> true;
(_) -> false
end, Opts),
{ok, State#{mgmt_options => MgmtOpts}};
c2s_stream_init(Acc, _Opts) ->
Acc.
c2s_stream_started(#{lserver := LServer, mgmt_options := Opts} = State,
_StreamStart) ->
State1 = maps:remove(mgmt_options, State),
ResumeTimeout = get_resume_timeout(LServer, Opts),
MaxResumeTimeout = get_max_resume_timeout(LServer, Opts, ResumeTimeout),
State1#{mgmt_state => inactive,
mgmt_max_queue => get_max_ack_queue(LServer, Opts),
mgmt_timeout => ResumeTimeout,
mgmt_max_timeout => MaxResumeTimeout,
mgmt_ack_timeout => get_ack_timeout(LServer, Opts),
mgmt_resend => get_resend_on_timeout(LServer, Opts),
mgmt_stanzas_in => 0,
mgmt_stanzas_out => 0,
mgmt_stanzas_req => 0};
c2s_stream_started(State, _StreamStart) ->
State.
c2s_stream_features(Acc, Host) ->
case gen_mod:is_loaded(Host, ?MODULE) of
true ->
[#feature_sm{xmlns = ?NS_STREAM_MGMT_2},
#feature_sm{xmlns = ?NS_STREAM_MGMT_3}|Acc];
false ->
Acc
end.
c2s_unauthenticated_packet(State, Pkt) when ?is_sm_packet(Pkt) ->
%% XEP-0198 says: "For client-to-server connections, the client MUST NOT
%% attempt to enable stream management until after it has completed Resource
%% Binding unless it is resuming a previous session". However, it also
%% says: "Stream management errors SHOULD be considered recoverable", so we
%% won't bail out.
Err = #sm_failed{reason = 'unexpected-request', xmlns = ?NS_STREAM_MGMT_3},
{stop, send(State, Err)};
c2s_unauthenticated_packet(State, _Pkt) ->
State.
c2s_unbinded_packet(State, #sm_resume{} = Pkt) ->
case handle_resume(State, Pkt) of
{ok, ResumedState} ->
{stop, ResumedState};
{error, State1} ->
{stop, State1}
end;
c2s_unbinded_packet(State, Pkt) when ?is_sm_packet(Pkt) ->
c2s_unauthenticated_packet(State, Pkt);
c2s_unbinded_packet(State, _Pkt) ->
State.
c2s_authenticated_packet(#{mgmt_state := MgmtState} = State, Pkt)
when ?is_sm_packet(Pkt) ->
if MgmtState == pending; MgmtState == active ->
{stop, perform_stream_mgmt(Pkt, State)};
true ->
{stop, negotiate_stream_mgmt(Pkt, State)}
end;
c2s_authenticated_packet(State, Pkt) ->
update_num_stanzas_in(State, Pkt).
c2s_handle_recv(#{lang := Lang} = State, El, {error, Why}) ->
Xmlns = xmpp:get_ns(El),
if Xmlns == ?NS_STREAM_MGMT_2; Xmlns == ?NS_STREAM_MGMT_3 ->
Txt = xmpp:io_format_error(Why),
Err = #sm_failed{reason = 'bad-request',
text = xmpp:mk_text(Txt, Lang),
xmlns = Xmlns},
send(State, Err);
true ->
State
end;
c2s_handle_recv(State, _, _) ->
State.
c2s_handle_send(#{mgmt_state := MgmtState, mod := Mod,
lang := Lang} = State, Pkt, SendResult)
when MgmtState == pending; MgmtState == active ->
case xmpp:is_stanza(Pkt) of
true ->
case mgmt_queue_add(State, Pkt) of
#{mgmt_max_queue := exceeded} = State1 ->
State2 = State1#{mgmt_resend => false},
case MgmtState of
active ->
Err = xmpp:serr_policy_violation(
<<"Too many unacked stanzas">>, Lang),
send(State2, Err);
_ ->
Mod:stop(State2)
end;
State1 when SendResult == ok ->
send_rack(State1);
State1 ->
State1
end;
false ->
State
end;
c2s_handle_send(State, _Pkt, _Result) ->
State.
c2s_handle_call(#{sid := {Time, _}, mod := Mod} = State,
{resume_session, Time}, From) ->
Mod:reply(From, {resume, State}),
{stop, State#{mgmt_state => resumed}};
c2s_handle_call(#{mod := Mod} = State, {resume_session, _}, From) ->
Mod:reply(From, {error, <<"Previous session not found">>}),
{stop, State};
c2s_handle_call(State, _Call, _From) ->
State.
c2s_handle_info(#{mgmt_ack_timer := TRef, jid := JID, mod := Mod} = State,
{timeout, TRef, ack_timeout}) ->
?DEBUG("Timed out waiting for stream management acknowledgement of ~s",
[jid:to_string(JID)]),
State1 = State#{stop_reason => {socket, timeout}},
State2 = Mod:close(State1, _SendTrailer = false),
{stop, transition_to_pending(State2)};
c2s_handle_info(#{mgmt_state := pending, jid := JID, mod := Mod} = State,
{timeout, _, pending_timeout}) ->
?DEBUG("Timed out waiting for resumption of stream for ~s",
[jid:to_string(JID)]),
Mod:stop(State#{mgmt_state => timeout});
c2s_handle_info(#{jid := JID} = State, {_Ref, {resume, OldState}}) ->
%% This happens if the resume_session/1 request timed out; the new session
%% now receives the late response.
?DEBUG("Received old session state for ~s after failed resumption",
[jid:to_string(JID)]),
route_unacked_stanzas(OldState#{mgmt_resend => false}),
State;
c2s_handle_info(State, _) ->
State.
c2s_closed(State, {stream, _}) ->
State;
c2s_closed(#{mgmt_state := active} = State, _Reason) ->
{stop, transition_to_pending(State)};
c2s_closed(State, _Reason) ->
State.
c2s_terminated(#{mgmt_state := resumed, jid := JID} = State, _Reason) ->
?INFO_MSG("Closing former stream of resumed session for ~s",
[jid:to_string(JID)]),
bounce_message_queue(),
{stop, State};
c2s_terminated(#{mgmt_state := MgmtState, mgmt_stanzas_in := In, sid := SID,
user := U, server := S, resource := R} = State, _Reason) ->
case MgmtState of
timeout ->
Info = [{num_stanzas_in, In}],
ejabberd_sm:set_offline_info(SID, U, S, R, Info);
_ ->
ok
end,
route_unacked_stanzas(State),
State;
c2s_terminated(State, _Reason) ->
State.
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec negotiate_stream_mgmt(xmpp_element(), state()) -> state().
negotiate_stream_mgmt(Pkt, State) ->
Xmlns = xmpp:get_ns(Pkt),
case Pkt of
#sm_enable{} ->
handle_enable(State#{mgmt_xmlns => Xmlns}, Pkt);
_ when is_record(Pkt, sm_a);
is_record(Pkt, sm_r);
is_record(Pkt, sm_resume) ->
Err = #sm_failed{reason = 'unexpected-request', xmlns = Xmlns},
send(State, Err);
_ ->
Err = #sm_failed{reason = 'bad-request', xmlns = Xmlns},
send(State, Err)
end.
-spec perform_stream_mgmt(xmpp_element(), state()) -> state().
perform_stream_mgmt(Pkt, #{mgmt_xmlns := Xmlns} = State) ->
case xmpp:get_ns(Pkt) of
Xmlns ->
case Pkt of
#sm_r{} ->
handle_r(State);
#sm_a{} ->
handle_a(State, Pkt);
_ when is_record(Pkt, sm_enable);
is_record(Pkt, sm_resume) ->
send(State, #sm_failed{reason = 'unexpected-request',
xmlns = Xmlns});
_ ->
send(State, #sm_failed{reason = 'bad-request',
xmlns = Xmlns})
end;
_ ->
send(State, #sm_failed{reason = 'unsupported-version', xmlns = Xmlns})
end.
-spec handle_enable(state(), sm_enable()) -> state().
handle_enable(#{mgmt_timeout := DefaultTimeout,
mgmt_max_timeout := MaxTimeout,
mgmt_xmlns := Xmlns, jid := JID} = State,
#sm_enable{resume = Resume, max = Max}) ->
Timeout = if Resume == false ->
0;
Max /= undefined, Max > 0, Max =< MaxTimeout ->
Max;
true ->
DefaultTimeout
end,
Res = if Timeout > 0 ->
?INFO_MSG("Stream management with resumption enabled for ~s",
[jid:to_string(JID)]),
#sm_enabled{xmlns = Xmlns,
id = make_resume_id(State),
resume = true,
max = Timeout};
true ->
?INFO_MSG("Stream management without resumption enabled for ~s",
[jid:to_string(JID)]),
#sm_enabled{xmlns = Xmlns}
end,
State1 = State#{mgmt_state => active,
mgmt_queue => queue_new(),
mgmt_timeout => Timeout},
send(State1, Res).
-spec handle_r(state()) -> state().
handle_r(#{mgmt_xmlns := Xmlns, mgmt_stanzas_in := H} = State) ->
Res = #sm_a{xmlns = Xmlns, h = H},
send(State, Res).
-spec handle_a(state(), sm_a()) -> state().
handle_a(State, #sm_a{h = H}) ->
State1 = check_h_attribute(State, H),
resend_rack(State1).
-spec handle_resume(state(), sm_resume()) -> {ok, state()} | {error, state()}.
handle_resume(#{user := User, lserver := LServer, sockmod := SockMod,
lang := Lang, socket := Socket} = State,
#sm_resume{h = H, previd = PrevID, xmlns = Xmlns}) ->
R = case inherit_session_state(State, PrevID) of
{ok, InheritedState} ->
{ok, InheritedState, H};
{error, Err, InH} ->
{error, #sm_failed{reason = 'item-not-found',
text = xmpp:mk_text(Err, Lang),
h = InH, xmlns = Xmlns}, Err};
{error, Err} ->
{error, #sm_failed{reason = 'item-not-found',
text = xmpp:mk_text(Err, Lang),
xmlns = Xmlns}, Err}
end,
case R of
{ok, #{jid := JID} = ResumedState, NumHandled} ->
State1 = check_h_attribute(ResumedState, NumHandled),
#{mgmt_xmlns := AttrXmlns, mgmt_stanzas_in := AttrH} = State1,
AttrId = make_resume_id(State1),
State2 = send(State1, #sm_resumed{xmlns = AttrXmlns,
h = AttrH,
previd = AttrId}),
State3 = resend_unacked_stanzas(State2),
State4 = send(State3, #sm_r{xmlns = AttrXmlns}),
%% TODO: move this to mod_client_state
%% csi_flush_queue(State4),
State5 = ejabberd_hooks:run_fold(c2s_session_resumed, LServer, State4, []),
?INFO_MSG("(~s) Resumed session for ~s",
[SockMod:pp(Socket), jid:to_string(JID)]),
{ok, State5};
{error, El, Msg} ->
?INFO_MSG("Cannot resume session for ~s@~s: ~s",
[User, LServer, Msg]),
{error, send(State, El)}
end.
-spec transition_to_pending(state()) -> state().
transition_to_pending(#{mgmt_state := active, mod := Mod,
mgmt_timeout := 0} = State) ->
Mod:stop(State);
transition_to_pending(#{mgmt_state := active, jid := JID,
lserver := LServer, mgmt_timeout := Timeout} = State) ->
State1 = cancel_ack_timer(State),
?INFO_MSG("Waiting for resumption of stream for ~s", [jid:to_string(JID)]),
erlang:start_timer(timer:seconds(Timeout), self(), pending_timeout),
State2 = State1#{mgmt_state => pending},
ejabberd_hooks:run_fold(c2s_session_pending, LServer, State2, []);
transition_to_pending(State) ->
State.
-spec check_h_attribute(state(), non_neg_integer()) -> state().
check_h_attribute(#{mgmt_stanzas_out := NumStanzasOut, jid := JID} = State, H)
when H > NumStanzasOut ->
?DEBUG("~s acknowledged ~B stanzas, but only ~B were sent",
[jid:to_string(JID), H, NumStanzasOut]),
mgmt_queue_drop(State#{mgmt_stanzas_out => H}, NumStanzasOut);
check_h_attribute(#{mgmt_stanzas_out := NumStanzasOut, jid := JID} = State, H) ->
?DEBUG("~s acknowledged ~B of ~B stanzas",
[jid:to_string(JID), H, NumStanzasOut]),
mgmt_queue_drop(State, H).
-spec update_num_stanzas_in(state(), xmpp_element()) -> state().
update_num_stanzas_in(#{mgmt_state := MgmtState,
mgmt_stanzas_in := NumStanzasIn} = State, El)
when MgmtState == active; MgmtState == pending ->
NewNum = case {xmpp:is_stanza(El), NumStanzasIn} of
{true, 4294967295} ->
0;
{true, Num} ->
Num + 1;
{false, Num} ->
Num
end,
State#{mgmt_stanzas_in => NewNum};
update_num_stanzas_in(State, _El) ->
State.
send_rack(#{mgmt_ack_timer := _} = State) ->
State;
send_rack(#{mgmt_xmlns := Xmlns,
mgmt_stanzas_out := NumStanzasOut,
mgmt_ack_timeout := AckTimeout} = State) ->
TRef = erlang:start_timer(AckTimeout, self(), ack_timeout),
State1 = State#{mgmt_ack_timer => TRef, mgmt_stanzas_req => NumStanzasOut},
send(State1, #sm_r{xmlns = Xmlns}).
resend_rack(#{mgmt_ack_timer := _,
mgmt_queue := Queue,
mgmt_stanzas_out := NumStanzasOut,
mgmt_stanzas_req := NumStanzasReq} = State) ->
State1 = cancel_ack_timer(State),
case NumStanzasReq < NumStanzasOut andalso not queue_is_empty(Queue) of
true -> send_rack(State1);
false -> State1
end;
resend_rack(State) ->
State.
-spec mgmt_queue_add(state(), xmpp_element()) -> state().
mgmt_queue_add(#{mgmt_stanzas_out := NumStanzasOut,
mgmt_queue := Queue} = State, Pkt) ->
NewNum = case NumStanzasOut of
4294967295 -> 0;
Num -> Num + 1
end,
Queue1 = queue_in({NewNum, p1_time_compat:timestamp(), Pkt}, Queue),
State1 = State#{mgmt_queue => Queue1, mgmt_stanzas_out => NewNum},
check_queue_length(State1).
-spec mgmt_queue_drop(state(), non_neg_integer()) -> state().
mgmt_queue_drop(#{mgmt_queue := Queue} = State, NumHandled) ->
NewQueue = queue_dropwhile(
fun({N, _T, _E}) -> N =< NumHandled end, Queue),
State#{mgmt_queue => NewQueue}.
-spec check_queue_length(state()) -> state().
check_queue_length(#{mgmt_max_queue := Limit} = State)
when Limit == infinity; Limit == exceeded ->
State;
check_queue_length(#{mgmt_queue := Queue, mgmt_max_queue := Limit} = State) ->
case queue_len(Queue) > Limit of
true ->
State#{mgmt_max_queue => exceeded};
false ->
State
end.
-spec resend_unacked_stanzas(state()) -> state().
resend_unacked_stanzas(#{mgmt_state := MgmtState,
mgmt_queue := {QueueLen, _} = Queue,
jid := JID} = State)
when (MgmtState == active orelse
MgmtState == pending orelse
MgmtState == timeout) andalso QueueLen > 0 ->
?DEBUG("Resending ~B unacknowledged stanza(s) to ~s",
[QueueLen, jid:to_string(JID)]),
queue_foldl(
fun({_, Time, Pkt}, AccState) ->
NewPkt = add_resent_delay_info(AccState, Pkt, Time),
send(AccState, NewPkt)
end, State, Queue);
resend_unacked_stanzas(State) ->
State.
-spec route_unacked_stanzas(state()) -> ok.
route_unacked_stanzas(#{mgmt_state := MgmtState,
mgmt_resend := MgmtResend,
lang := Lang, user := User,
jid := JID, lserver := LServer,
mgmt_queue := {QueueLen, _} = Queue,
resource := Resource} = State)
when (MgmtState == active orelse
MgmtState == pending orelse
MgmtState == timeout) andalso QueueLen > 0 ->
ResendOnTimeout = case MgmtResend of
Resend when is_boolean(Resend) ->
Resend;
if_offline ->
case ejabberd_sm:get_user_resources(User, Resource) of
[Resource] ->
%% Same resource opened new session
true;
[] -> true;
_ -> false
end
end,
?DEBUG("Re-routing ~B unacknowledged stanza(s) to ~s",
[QueueLen, jid:to_string(JID)]),
queue_foreach(
fun({_, _Time, #presence{from = From}}) ->
?DEBUG("Dropping presence stanza from ~s", [jid:to_string(From)]);
({_, _Time, #iq{} = El}) ->
Txt = <<"User session terminated">>,
route_error(El, xmpp:err_service_unavailable(Txt, Lang));
({_, _Time, #message{from = From, meta = #{carbon_copy := true}}}) ->
%% XEP-0280 says: "When a receiving server attempts to deliver a
%% forked message, and that message bounces with an error for
%% any reason, the receiving server MUST NOT forward that error
%% back to the original sender." Resending such a stanza could
%% easily lead to unexpected results as well.
?DEBUG("Dropping forwarded message stanza from ~s",
[jid:to_string(From)]);
({_, Time, #message{} = Msg}) ->
case ejabberd_hooks:run_fold(message_is_archived,
LServer, false,
[State, Msg]) of
true ->
?DEBUG("Dropping archived message stanza from ~s",
[jid:to_string(xmpp:get_from(Msg))]);
false when ResendOnTimeout ->
NewEl = add_resent_delay_info(State, Msg, Time),
route(NewEl);
false ->
Txt = <<"User session terminated">>,
route_error(Msg, xmpp:err_service_unavailable(Txt, Lang))
end;
({_, _Time, El}) ->
%% Raw element of type 'error' resulting from a validation error
%% We cannot pass it to the router, it will generate an error
?DEBUG("Do not route raw element from ack queue: ~p", [El])
end, Queue);
route_unacked_stanzas(_State) ->
ok.
-spec inherit_session_state(state(), binary()) -> {ok, state()} |
{error, binary()} |
{error, binary(), non_neg_integer()}.
inherit_session_state(#{user := U, server := S} = State, ResumeID) ->
case jlib:base64_to_term(ResumeID) of
{term, {R, Time}} ->
case ejabberd_sm:get_session_pid(U, S, R) of
none ->
case ejabberd_sm:get_offline_info(Time, U, S, R) of
none ->
{error, <<"Previous session PID not found">>};
Info ->
case proplists:get_value(num_stanzas_in, Info) of
undefined ->
{error, <<"Previous session timed out">>};
H ->
{error, <<"Previous session timed out">>, H}
end
end;
OldPID ->
OldSID = {Time, OldPID},
try resume_session(OldSID, State) of
{resume, #{mgmt_xmlns := Xmlns,
mgmt_queue := Queue,
mgmt_timeout := Timeout,
mgmt_stanzas_in := NumStanzasIn,
mgmt_stanzas_out := NumStanzasOut} = OldState} ->
State1 = ejabberd_c2s:copy_state(State, OldState),
State2 = State1#{mgmt_xmlns => Xmlns,
mgmt_queue => Queue,
mgmt_timeout => Timeout,
mgmt_stanzas_in => NumStanzasIn,
mgmt_stanzas_out => NumStanzasOut,
mgmt_state => active},
ejabberd_sm:close_session(OldSID, U, S, R),
State3 = ejabberd_c2s:open_session(State2),
ejabberd_c2s:stop(OldPID),
{ok, State3};
{error, Msg} ->
{error, Msg}
catch exit:{noproc, _} ->
{error, <<"Previous session PID is dead">>};
exit:{timeout, _} ->
{error, <<"Session state copying timed out">>}
end
end;
_ ->
{error, <<"Invalid 'previd' value">>}
end.
-spec resume_session({integer(), pid()}, state()) -> {resume, state()} |
{error, binary()}.
resume_session({Time, Pid}, _State) ->
ejabberd_c2s:call(Pid, {resume_session, Time}, timer:seconds(15)).
-spec make_resume_id(state()) -> binary().
make_resume_id(#{sid := {Time, _}, resource := Resource}) ->
jlib:term_to_base64({Resource, Time}).
-spec add_resent_delay_info(state(), stanza(), erlang:timestamp()) -> stanza();
(state(), xmlel(), erlang:timestamp()) -> xmlel().
add_resent_delay_info(#{lserver := LServer}, El, Time)
when is_record(El, message); is_record(El, presence) ->
xmpp_util:add_delay_info(El, jid:make(LServer), Time, <<"Resent">>);
add_resent_delay_info(_State, El, _Time) ->
El.
-spec route(stanza()) -> ok.
route(Pkt) ->
From = xmpp:get_from(Pkt),
To = xmpp:get_to(Pkt),
ejabberd_router:route(From, To, Pkt).
-spec route_error(stanza(), stanza_error()) -> ok.
route_error(Pkt, Err) ->
From = xmpp:get_from(Pkt),
To = xmpp:get_to(Pkt),
ejabberd_router:route_error(To, From, Pkt, Err).
-spec send(state(), xmpp_element()) -> state().
send(#{mod := Mod} = State, Pkt) ->
Mod:send(State, Pkt).
-spec queue_new() -> lqueue().
queue_new() ->
{0, queue:new()}.
-spec queue_in(term(), lqueue()) -> lqueue().
queue_in(Elem, {N, Q}) ->
{N+1, queue:in(Elem, Q)}.
-spec queue_len(lqueue()) -> non_neg_integer().
queue_len({N, _}) ->
N.
-spec queue_foldl(fun((term(), T) -> T), T, lqueue()) -> T.
queue_foldl(F, Acc, {_N, Q}) ->
jlib:queue_foldl(F, Acc, Q).
-spec queue_foreach(fun((_) -> _), lqueue()) -> ok.
queue_foreach(F, {_N, Q}) ->
jlib:queue_foreach(F, Q).
-spec queue_dropwhile(fun((term()) -> boolean()), lqueue()) -> lqueue().
queue_dropwhile(F, {N, Q}) ->
case queue:peek(Q) of
{value, Item} ->
case F(Item) of
true ->
queue_dropwhile(F, {N-1, queue:drop(Q)});
false ->
{N, Q}
end;
empty ->
{N, Q}
end.
-spec queue_is_empty(lqueue()) -> boolean().
queue_is_empty({N, _Q}) ->
N == 0.
-spec cancel_ack_timer(state()) -> state().
cancel_ack_timer(#{mgmt_ack_timer := TRef} = State) ->
case erlang:cancel_timer(TRef) of
false ->
receive {timeout, TRef, _} -> ok
after 0 -> ok
end;
_ ->
ok
end,
maps:remove(mgmt_ack_timer, State);
cancel_ack_timer(State) ->
State.
-spec bounce_message_queue() -> ok.
bounce_message_queue() ->
receive {route, From, To, Pkt} ->
ejabberd_router:route(From, To, Pkt),
bounce_message_queue()
after 0 ->
ok
end.
%%%===================================================================
%%% Configuration processing
%%%===================================================================
get_max_ack_queue(Host, Opts) ->
VFun = mod_opt_type(max_ack_queue),
case gen_mod:get_module_opt(Host, ?MODULE, max_ack_queue, VFun) of
undefined -> gen_mod:get_opt(max_ack_queue, Opts, VFun, 1000);
Limit -> Limit
end.
get_resume_timeout(Host, Opts) ->
VFun = mod_opt_type(resume_timeout),
case gen_mod:get_module_opt(Host, ?MODULE, resume_timeout, VFun) of
undefined -> gen_mod:get_opt(resume_timeout, Opts, VFun, 300);
Timeout -> Timeout
end.
get_max_resume_timeout(Host, Opts, ResumeTimeout) ->
VFun = mod_opt_type(max_resume_timeout),
case gen_mod:get_module_opt(Host, ?MODULE, max_resume_timeout, VFun) of
undefined ->
case gen_mod:get_opt(max_resume_timeout, Opts, VFun) of
undefined -> ResumeTimeout;
Max when Max >= ResumeTimeout -> Max;
_ -> ResumeTimeout
end;
Max when Max >= ResumeTimeout -> Max;
_ -> ResumeTimeout
end.
get_ack_timeout(Host, Opts) ->
VFun = mod_opt_type(ack_timeout),
T = case gen_mod:get_module_opt(Host, ?MODULE, ack_timeout, VFun) of
undefined -> gen_mod:get_opt(ack_timeout, Opts, VFun, 60);
AckTimeout -> AckTimeout
end,
case T of
infinity -> infinity;
_ -> timer:seconds(T)
end.
get_resend_on_timeout(Host, Opts) ->
VFun = mod_opt_type(resend_on_timeout),
case gen_mod:get_module_opt(Host, ?MODULE, resend_on_timeout, VFun) of
undefined -> gen_mod:get_opt(resend_on_timeout, Opts, VFun, false);
Resend -> Resend
end.
mod_opt_type(max_ack_queue) ->
fun(I) when is_integer(I), I > 0 -> I;
(infinity) -> infinity
end;
mod_opt_type(resume_timeout) ->
fun(I) when is_integer(I), I >= 0 -> I end;
mod_opt_type(max_resume_timeout) ->
fun(I) when is_integer(I), I >= 0 -> I end;
mod_opt_type(ack_timeout) ->
fun(I) when is_integer(I), I > 0 -> I;
(infinity) -> infinity
end;
mod_opt_type(resend_on_timeout) ->
fun(B) when is_boolean(B) -> B;
(if_offline) -> if_offline
end;
mod_opt_type(_) ->
[max_ack_queue, resume_timeout, max_resume_timeout, ack_timeout,
resend_on_timeout].

31
src/mod_vcard_xupdate.erl
View File

@ -30,7 +30,7 @@
%% gen_mod callbacks
-export([start/2, stop/1]).
-export([update_presence/3, vcard_set/3, export/1,
-export([update_presence/1, vcard_set/3, export/1,
import_info/0, import/5, import_start/2,
mod_opt_type/1, depends/2]).
@ -51,14 +51,14 @@
start(Host, Opts) ->
Mod = gen_mod:db_mod(Host, Opts, ?MODULE),
Mod:init(Host, Opts),
ejabberd_hooks:add(c2s_update_presence, Host, ?MODULE,
ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE,
update_presence, 100),
ejabberd_hooks:add(vcard_set, Host, ?MODULE, vcard_set,
100),
ok.
stop(Host) ->
ejabberd_hooks:delete(c2s_update_presence, Host,
ejabberd_hooks:delete(c2s_self_presence, Host,
?MODULE, update_presence, 100),
ejabberd_hooks:delete(vcard_set, Host, ?MODULE,
vcard_set, 100),
@ -70,10 +70,15 @@ depends(_Host, _Opts) ->
%%====================================================================
%% Hooks
%%====================================================================
-spec update_presence(presence(), binary(), binary()) -> presence().
update_presence(#presence{type = available} = Packet, User, Host) ->
presence_with_xupdate(Packet, User, Host);
update_presence(Packet, _User, _Host) -> Packet.
-spec update_presence({presence(), ejabberd_c2s:state()})
-> {presence(), ejabberd_c2s:state()}.
update_presence({#presence{type = available} = Pres,
#{jid := #jid{luser = LUser, lserver = LServer}} = State}) ->
Hash = get_xupdate(LUser, LServer),
Pres1 = xmpp:set_subtag(Pres, #vcard_xupdate{hash = Hash}),
{Pres1, State};
update_presence(Acc) ->
Acc.
-spec vcard_set(binary(), binary(), xmlel()) -> ok.
vcard_set(LUser, LServer, VCARD) ->
@ -104,15 +109,6 @@ remove_xupdate(LUser, LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:remove_xupdate(LUser, LServer).
%%%----------------------------------------------------------------------
%%% Presence stanza rebuilding
%%%----------------------------------------------------------------------
presence_with_xupdate(Presence, User, Host) ->
Hash = get_xupdate(User, Host),
Presence1 = xmpp:remove_subtag(Presence, #vcard_xupdate{}),
xmpp:set_subtag(Presence1, #vcard_xupdate{hash = Hash}).
import_info() ->
[{<<"vcard_xupdate">>, 3}].
@ -128,5 +124,8 @@ export(LServer) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:export(LServer).
%%====================================================================
%% Options
%%====================================================================
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) -> [db_type].

14
src/scram.erl
View File

@ -60,9 +60,7 @@ client_signature(StoredKey, AuthMessage) ->
-spec client_key(binary(), binary()) -> binary().
client_key(ClientProof, ClientSignature) ->
list_to_binary(lists:zipwith(fun (X, Y) -> X bxor Y end,
binary_to_list(ClientProof),
binary_to_list(ClientSignature))).
crypto:exor(ClientProof, ClientSignature).
-spec server_signature(binary(), binary()) -> binary().
@ -71,19 +69,13 @@ server_signature(ServerKey, AuthMessage) ->
hi(Password, Salt, IterationCount) ->
U1 = sha_mac(Password, <<Salt/binary, 0, 0, 0, 1>>),
list_to_binary(lists:zipwith(fun (X, Y) -> X bxor Y end,
binary_to_list(U1),
binary_to_list(hi_round(Password, U1,
IterationCount - 1)))).
crypto:exor(U1, hi_round(Password, U1, IterationCount - 1)).
hi_round(Password, UPrev, 1) ->
sha_mac(Password, UPrev);
hi_round(Password, UPrev, IterationCount) ->
U = sha_mac(Password, UPrev),
list_to_binary(lists:zipwith(fun (X, Y) -> X bxor Y end,
binary_to_list(U),
binary_to_list(hi_round(Password, U,
IterationCount - 1)))).
crypto:exor(U, hi_round(Password, U, IterationCount - 1)).
sha_mac(Key, Data) ->
crypto:hmac(sha, Key, Data).

1167
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989
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@ -0,0 +1,989 @@
%%%-------------------------------------------------------------------
%%% Created : 14 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(xmpp_stream_out).
-define(GEN_SERVER, gen_server).
-behaviour(?GEN_SERVER).
-protocol({rfc, 6120}).
-protocol({xep, 114, '1.6'}).
%% API
-export([start/3, start_link/3, call/3, cast/2, reply/2, connect/1,
stop/1, send/2, close/1, close/2, establish/1, format_error/1,
set_timeout/2, get_transport/1, change_shaper/2]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
%%-define(DBGFSM, true).
-ifdef(DBGFSM).
-define(FSMOPTS, [{debug, [trace]}]).
-else.
-define(FSMOPTS, []).
-endif.
-define(TCP_SEND_TIMEOUT, 15000).
-include("xmpp.hrl").
-include_lib("kernel/include/inet.hrl").
-type state() :: map().
-type noreply() :: {noreply, state(), timeout()}.
-type host_port() :: {inet:hostname(), inet:port_number()}.
-type ip_port() :: {inet:ip_address(), inet:port_number()}.
-type network_error() :: {error, inet:posix() | inet_res:res_error()}.
-type stop_reason() :: {idna, bad_string} |
{dns, inet:posix() | inet_res:res_error()} |
{stream, reset | {in | out, stream_error()}} |
{tls, inet:posix() | atom() | binary()} |
{pkix, binary()} |
{auth, atom() | binary() | string()} |
{socket, inet:posix() | closed | timeout} |
internal_failure.
-callback init(list()) -> {ok, state()} | {error, term()} | ignore.
-callback handle_cast(term(), state()) -> state().
-callback handle_call(term(), term(), state()) -> state().
-callback handle_info(term(), state()) -> state().
-callback terminate(term(), state()) -> any().
-callback code_change(term(), state(), term()) -> {ok, state()} | {error, term()}.
-callback handle_stream_start(stream_start(), state()) -> state().
-callback handle_stream_established(state()) -> state().
-callback handle_stream_downgraded(stream_start(), state()) -> state().
-callback handle_stream_end(stop_reason(), state()) -> state().
-callback handle_cdata(binary(), state()) -> state().
-callback handle_send(xmpp_element(), ok | {error, inet:posix()}, state()) -> state().
-callback handle_recv(fxml:xmlel(), xmpp_element() | {error, term()}, state()) -> state().
-callback handle_timeout(state()) -> state().
-callback handle_authenticated_features(stream_features(), state()) -> state().
-callback handle_unauthenticated_features(stream_features(), state()) -> state().
-callback handle_auth_success(cyrsasl:mechanism(), state()) -> state().
-callback handle_auth_failure(cyrsasl:mechanism(), binary(), state()) -> state().
-callback handle_packet(xmpp_element(), state()) -> state().
-callback tls_options(state()) -> [proplists:property()].
-callback tls_required(state()) -> boolean().
-callback tls_verify(state()) -> boolean().
-callback tls_enabled(state()) -> boolean().
-callback dns_timeout(state()) -> timeout().
-callback dns_retries(state()) -> non_neg_integer().
-callback default_port(state()) -> inet:port_number().
-callback address_families(state()) -> [inet:address_family()].
-callback connect_timeout(state()) -> timeout().
-optional_callbacks([init/1,
handle_cast/2,
handle_call/3,
handle_info/2,
terminate/2,
code_change/3,
handle_stream_start/2,
handle_stream_established/1,
handle_stream_downgraded/2,
handle_stream_end/2,
handle_cdata/2,
handle_send/3,
handle_recv/3,
handle_timeout/1,
handle_authenticated_features/2,
handle_unauthenticated_features/2,
handle_auth_success/2,
handle_auth_failure/3,
handle_packet/2,
tls_options/1,
tls_required/1,
tls_verify/1,
tls_enabled/1,
dns_timeout/1,
dns_retries/1,
default_port/1,
address_families/1,
connect_timeout/1]).
%%%===================================================================
%%% API
%%%===================================================================
start(Mod, Args, Opts) ->
?GEN_SERVER:start(?MODULE, [Mod|Args], Opts ++ ?FSMOPTS).
start_link(Mod, Args, Opts) ->
?GEN_SERVER:start_link(?MODULE, [Mod|Args], Opts ++ ?FSMOPTS).
call(Ref, Msg, Timeout) ->
?GEN_SERVER:call(Ref, Msg, Timeout).
cast(Ref, Msg) ->
?GEN_SERVER:cast(Ref, Msg).
reply(Ref, Reply) ->
?GEN_SERVER:reply(Ref, Reply).
-spec connect(pid()) -> ok.
connect(Ref) ->
cast(Ref, connect).
-spec stop(pid()) -> ok;
(state()) -> no_return().
stop(Pid) when is_pid(Pid) ->
cast(Pid, stop);
stop(#{owner := Owner} = State) when Owner == self() ->
terminate(normal, State),
exit(normal);
stop(_) ->
erlang:error(badarg).
-spec send(pid(), xmpp_element()) -> ok;
(state(), xmpp_element()) -> state().
send(Pid, Pkt) when is_pid(Pid) ->
cast(Pid, {send, Pkt});
send(#{owner := Owner} = State, Pkt) when Owner == self() ->
send_pkt(State, Pkt);
send(_, _) ->
erlang:error(badarg).
-spec close(pid()) -> ok;
(state()) -> state().
close(Ref) ->
close(Ref, true).
-spec close(pid(), boolean()) -> ok;
(state(), boolean()) -> state().
close(Pid, SendTrailer) when is_pid(Pid) ->
cast(Pid, {close, SendTrailer});
close(#{owner := Owner} = State, SendTrailer) when Owner == self() ->
if SendTrailer -> send_trailer(State);
true -> close_socket(State)
end;
close(_, _) ->
erlang:error(badarg).
-spec establish(state()) -> state().
establish(State) ->
process_stream_established(State).
-spec set_timeout(state(), timeout()) -> state().
set_timeout(#{owner := Owner} = State, Timeout) when Owner == self() ->
case Timeout of
infinity -> State#{stream_timeout => infinity};
_ ->
Time = p1_time_compat:monotonic_time(milli_seconds),
State#{stream_timeout => {Timeout, Time}}
end;
set_timeout(_, _) ->
erlang:error(badarg).
get_transport(#{sockmod := SockMod, socket := Socket, owner := Owner})
when Owner == self() ->
SockMod:get_transport(Socket);
get_transport(_) ->
erlang:error(badarg).
-spec change_shaper(state(), shaper:shaper()) -> ok.
change_shaper(#{sockmod := SockMod, socket := Socket, owner := Owner}, Shaper)
when Owner == self() ->
SockMod:change_shaper(Socket, Shaper);
change_shaper(_, _) ->
erlang:error(badarg).
-spec format_error(stop_reason()) -> binary().
format_error({idna, _}) ->
<<"Remote domain is not an IDN hostname">>;
format_error({dns, Reason}) ->
format("DNS lookup failed: ~s", [format_inet_error(Reason)]);
format_error({socket, Reason}) ->
format("Connection failed: ~s", [format_inet_error(Reason)]);
format_error({pkix, Reason}) ->
{_, ErrTxt} = xmpp_stream_pkix:format_error(Reason),
format("Peer certificate rejected: ~s", [ErrTxt]);
format_error({stream, reset}) ->
<<"Stream reset by peer">>;
format_error({stream, {in, #stream_error{reason = Reason, text = Txt}}}) ->
format("Stream closed by peer: ~s", [format_stream_error(Reason, Txt)]);
format_error({stream, {out, #stream_error{reason = Reason, text = Txt}}}) ->
format("Stream closed by us: ~s", [format_stream_error(Reason, Txt)]);
format_error({tls, Reason}) ->
format("TLS failed: ~s", [format_tls_error(Reason)]);
format_error({auth, Reason}) ->
format("Authentication failed: ~s", [Reason]);
format_error(internal_failure) ->
<<"Internal server error">>;
format_error(Err) ->
format("Unrecognized error: ~w", [Err]).
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
-spec init(list()) -> {ok, state(), timeout()} | {stop, term()} | ignore.
init([Mod, SockMod, From, To, Opts]) ->
Time = p1_time_compat:monotonic_time(milli_seconds),
State = #{owner => self(),
mod => Mod,
sockmod => SockMod,
server => From,
user => <<"">>,
resource => <<"">>,
lang => <<"">>,
remote_server => To,
xmlns => ?NS_SERVER,
stream_direction => out,
stream_timeout => {timer:seconds(30), Time},
stream_id => new_id(),
stream_encrypted => false,
stream_verified => false,
stream_authenticated => false,
stream_restarted => false,
stream_state => connecting},
case try Mod:init([State, Opts])
catch _:undef -> {ok, State}
end of
{ok, State1} ->
{_, State2, Timeout} = noreply(State1),
{ok, State2, Timeout};
{error, Reason} ->
{stop, Reason};
ignore ->
ignore
end.
-spec handle_call(term(), term(), state()) -> noreply().
handle_call(Call, From, #{mod := Mod} = State) ->
noreply(try Mod:handle_call(Call, From, State)
catch _:undef -> State
end).
-spec handle_cast(term(), state()) -> noreply().
handle_cast(connect, #{remote_server := RemoteServer,
sockmod := SockMod,
stream_state := connecting} = State) ->
noreply(
case idna_to_ascii(RemoteServer) of
false ->
process_stream_end({idna, bad_string}, State);
ASCIIName ->
case resolve(binary_to_list(ASCIIName), State) of
{ok, AddrPorts} ->
case connect(AddrPorts, State) of
{ok, Socket, AddrPort} ->
SocketMonitor = SockMod:monitor(Socket),
State1 = State#{ip => AddrPort,
socket => Socket,
socket_monitor => SocketMonitor},
State2 = State1#{stream_state => wait_for_stream},
send_header(State2);
{error, Why} ->
process_stream_end({socket, Why}, State)
end;
{error, Why} ->
process_stream_end({dns, Why}, State)
end
end);
handle_cast(connect, State) ->
%% Ignoring connection attempts in other states
noreply(State);
handle_cast({send, Pkt}, State) ->
noreply(send_pkt(State, Pkt));
handle_cast(stop, State) ->
{stop, normal, State};
handle_cast(Cast, #{mod := Mod} = State) ->
noreply(try Mod:handle_cast(Cast, State)
catch _:undef -> State
end).
-spec handle_info(term(), state()) -> noreply().
handle_info({'$gen_event', {xmlstreamstart, Name, Attrs}},
#{stream_state := wait_for_stream,
xmlns := XMLNS, lang := MyLang} = State) ->
El = #xmlel{name = Name, attrs = Attrs},
noreply(
try xmpp:decode(El, XMLNS, []) of
#stream_start{} = Pkt ->
process_stream(Pkt, State);
_ ->
send_pkt(State, xmpp:serr_invalid_xml())
catch _:{xmpp_codec, Why} ->
Txt = xmpp:io_format_error(Why),
Lang = select_lang(MyLang, xmpp:get_lang(El)),
Err = xmpp:serr_invalid_xml(Txt, Lang),
send_pkt(State, Err)
end);
handle_info({'$gen_event', {xmlstreamerror, Reason}}, #{lang := Lang}= State) ->
State1 = send_header(State),
noreply(
case is_disconnected(State1) of
true -> State1;
false ->
Err = case Reason of
<<"XML stanza is too big">> ->
xmpp:serr_policy_violation(Reason, Lang);
{_, Txt} ->
xmpp:serr_not_well_formed(Txt, Lang)
end,
send_pkt(State1, Err)
end);
handle_info({'$gen_event', {xmlstreamelement, El}},
#{xmlns := NS, mod := Mod} = State) ->
noreply(
try xmpp:decode(El, NS, [ignore_els]) of
Pkt ->
State1 = try Mod:handle_recv(El, Pkt, State)
catch _:undef -> State
end,
case is_disconnected(State1) of
true -> State1;
false -> process_element(Pkt, State1)
end
catch _:{xmpp_codec, Why} ->
State1 = try Mod:handle_recv(El, {error, Why}, State)
catch _:undef -> State
end,
case is_disconnected(State1) of
true -> State1;
false -> process_invalid_xml(State1, El, Why)
end
end);
handle_info({'$gen_all_state_event', {xmlstreamcdata, Data}},
#{mod := Mod} = State) ->
noreply(try Mod:handle_cdata(Data, State)
catch _:undef -> State
end);
handle_info({'$gen_event', {xmlstreamend, _}}, State) ->
noreply(process_stream_end({stream, reset}, State));
handle_info({'$gen_event', closed}, State) ->
noreply(process_stream_end({socket, closed}, State));
handle_info(timeout, #{mod := Mod} = State) ->
Disconnected = is_disconnected(State),
noreply(try Mod:handle_timeout(State)
catch _:undef when not Disconnected ->
send_pkt(State, xmpp:serr_connection_timeout());
_:undef ->
stop(State)
end);
handle_info({'DOWN', MRef, _Type, _Object, _Info},
#{socket_monitor := MRef} = State) ->
noreply(process_stream_end({socket, closed}, State));
handle_info(Info, #{mod := Mod} = State) ->
noreply(try Mod:handle_info(Info, State)
catch _:undef -> State
end).
-spec terminate(term(), state()) -> any().
terminate(Reason, #{mod := Mod} = State) ->
case get(already_terminated) of
true ->
State;
_ ->
put(already_terminated, true),
try Mod:terminate(Reason, State)
catch _:undef -> ok
end,
send_trailer(State)
end.
code_change(OldVsn, #{mod := Mod} = State, Extra) ->
Mod:code_change(OldVsn, State, Extra).
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec noreply(state()) -> noreply().
noreply(#{stream_timeout := infinity} = State) ->
{noreply, State, infinity};
noreply(#{stream_timeout := {MSecs, OldTime}} = State) ->
NewTime = p1_time_compat:monotonic_time(milli_seconds),
Timeout = max(0, MSecs - NewTime + OldTime),
{noreply, State, Timeout}.
-spec new_id() -> binary().
new_id() ->
randoms:get_string().
-spec is_disconnected(state()) -> boolean().
is_disconnected(#{stream_state := StreamState}) ->
StreamState == disconnected.
-spec process_invalid_xml(state(), fxml:xmlel(), term()) -> state().
process_invalid_xml(#{lang := MyLang} = State, El, Reason) ->
case xmpp:is_stanza(El) of
true ->
Txt = xmpp:io_format_error(Reason),
Lang = select_lang(MyLang, xmpp:get_lang(El)),
send_error(State, El, xmpp:err_bad_request(Txt, Lang));
false ->
State
end.
-spec process_stream_end(stop_reason(), state()) -> state().
process_stream_end(_, #{stream_state := disconnected} = State) ->
State;
process_stream_end(Reason, #{mod := Mod} = State) ->
State1 = send_trailer(State),
try Mod:handle_stream_end(Reason, State1)
catch _:undef -> stop(State1)
end.
-spec process_stream(stream_start(), state()) -> state().
process_stream(#stream_start{xmlns = XML_NS,
stream_xmlns = STREAM_NS},
#{xmlns := NS} = State)
when XML_NS /= NS; STREAM_NS /= ?NS_STREAM ->
send_pkt(State, xmpp:serr_invalid_namespace());
process_stream(#stream_start{version = {N, _}}, State) when N > 1 ->
send_pkt(State, xmpp:serr_unsupported_version());
process_stream(#stream_start{lang = Lang, id = ID,
version = Version} = StreamStart,
#{mod := Mod} = State) ->
State1 = State#{stream_remote_id => ID, lang => Lang},
State2 = try Mod:handle_stream_start(StreamStart, State1)
catch _:undef -> State1
end,
case is_disconnected(State2) of
true -> State2;
false ->
case Version of
{1, _} ->
State2#{stream_state => wait_for_features};
_ ->
process_stream_downgrade(StreamStart, State2)
end
end.
-spec process_element(xmpp_element(), state()) -> state().
process_element(Pkt, #{stream_state := StateName} = State) ->
case Pkt of
#stream_features{} when StateName == wait_for_features ->
process_features(Pkt, State);
#starttls_proceed{} when StateName == wait_for_starttls_response ->
process_starttls(State);
#sasl_success{} when StateName == wait_for_sasl_response ->
process_sasl_success(State);
#sasl_failure{} when StateName == wait_for_sasl_response ->
process_sasl_failure(Pkt, State);
#stream_error{} ->
process_stream_end({stream, {in, Pkt}}, State);
_ when is_record(Pkt, stream_features);
is_record(Pkt, starttls_proceed);
is_record(Pkt, starttls);
is_record(Pkt, sasl_auth);
is_record(Pkt, sasl_success);
is_record(Pkt, sasl_failure);
is_record(Pkt, sasl_response);
is_record(Pkt, sasl_abort);
is_record(Pkt, compress);
is_record(Pkt, handshake) ->
%% Do not pass this crap upstream
State;
_ ->
process_packet(Pkt, State)
end.
-spec process_features(stream_features(), state()) -> state().
process_features(StreamFeatures,
#{stream_authenticated := true, mod := Mod} = State) ->
State1 = try Mod:handle_authenticated_features(StreamFeatures, State)
catch _:undef -> State
end,
process_stream_established(State1);
process_features(#stream_features{sub_els = Els} = StreamFeatures,
#{stream_encrypted := Encrypted,
mod := Mod, lang := Lang} = State) ->
State1 = try Mod:handle_unauthenticated_features(StreamFeatures, State)
catch _:undef -> State
end,
case is_disconnected(State1) of
true -> State1;
false ->
TLSRequired = is_starttls_required(State1),
TLSAvailable = is_starttls_available(State1),
%% TODO: improve xmpp.erl
Msg = #message{sub_els = Els},
case xmpp:get_subtag(Msg, #starttls{}) of
false when TLSRequired and not Encrypted ->
Txt = <<"Use of STARTTLS required">>,
send_pkt(State1, xmpp:serr_policy_violation(Txt, Lang));
#starttls{required = true} when not TLSAvailable and not Encrypted ->
Txt = <<"Use of STARTTLS forbidden">>,
send_pkt(State1, xmpp:serr_unsupported_feature(Txt, Lang));
#starttls{} when TLSAvailable and not Encrypted ->
State2 = State1#{stream_state => wait_for_starttls_response},
send_pkt(State2, #starttls{});
_ ->
State2 = process_cert_verification(State1),
case is_disconnected(State2) of
true -> State2;
false ->
case xmpp:get_subtag(Msg, #sasl_mechanisms{}) of
#sasl_mechanisms{list = Mechs} ->
process_sasl_mechanisms(Mechs, State2);
false ->
process_sasl_failure(
#sasl_failure{reason = 'invalid-mechanism'},
State2)
end
end
end
end.
-spec process_stream_established(state()) -> state().
process_stream_established(#{stream_state := StateName} = State)
when StateName == disconnected; StateName == established ->
State;
process_stream_established(#{mod := Mod} = State) ->
State1 = State#{stream_authenticated := true,
stream_state => established,
stream_timeout => infinity},
try Mod:handle_stream_established(State1)
catch _:undef -> State1
end.
-spec process_sasl_mechanisms([binary()], state()) -> state().
process_sasl_mechanisms(Mechs, #{user := User, server := Server} = State) ->
%% TODO: support other mechanisms
Mech = <<"EXTERNAL">>,
case lists:member(<<"EXTERNAL">>, Mechs) of
true ->
State1 = State#{stream_state => wait_for_sasl_response},
Authzid = jid:to_string(jid:make(User, Server)),
send_pkt(State1, #sasl_auth{mechanism = Mech, text = Authzid});
false ->
process_sasl_failure(
#sasl_failure{reason = 'invalid-mechanism'}, State)
end.
-spec process_starttls(state()) -> state().
process_starttls(#{sockmod := SockMod, socket := Socket, mod := Mod} = State) ->
TLSOpts = try Mod:tls_options(State)
catch _:undef -> []
end,
case SockMod:starttls(Socket, [connect|TLSOpts]) of
{ok, TLSSocket} ->
State1 = State#{socket => TLSSocket,
stream_id => new_id(),
stream_restarted => true,
stream_state => wait_for_stream,
stream_encrypted => true},
send_header(State1);
{error, Why} ->
process_stream_end({tls, Why}, State)
end.
-spec process_stream_downgrade(stream_start(), state()) -> state().
process_stream_downgrade(StreamStart,
#{mod := Mod, lang := Lang,
stream_encrypted := Encrypted} = State) ->
TLSRequired = is_starttls_required(State),
if not Encrypted and TLSRequired ->
Txt = <<"Use of STARTTLS required">>,
send_pkt(State, xmpp:serr_policy_violation(Txt, Lang));
true ->
State1 = State#{stream_state => downgraded},
try Mod:handle_stream_downgraded(StreamStart, State1)
catch _:undef ->
send_pkt(State1, xmpp:serr_unsupported_version())
end
end.
-spec process_cert_verification(state()) -> state().
process_cert_verification(#{stream_encrypted := true,
stream_verified := false,
mod := Mod} = State) ->
case try Mod:tls_verify(State)
catch _:undef -> true
end of
true ->
case xmpp_stream_pkix:authenticate(State) of
{ok, _} ->
State#{stream_verified => true};
{error, Why, _Peer} ->
process_stream_end({pkix, Why}, State)
end;
false ->
State#{stream_verified => true}
end;
process_cert_verification(State) ->
State.
-spec process_sasl_success(state()) -> state().
process_sasl_success(#{mod := Mod,
sockmod := SockMod,
socket := Socket} = State) ->
State1 = try Mod:handle_auth_success(<<"EXTERNAL">>, State)
catch _:undef -> State
end,
case is_disconnected(State1) of
true -> State1;
false ->
SockMod:reset_stream(Socket),
State2 = State1#{stream_id => new_id(),
stream_restarted => true,
stream_state => wait_for_stream,
stream_authenticated => true},
send_header(State2)
end.
-spec process_sasl_failure(sasl_failure(), state()) -> state().
process_sasl_failure(#sasl_failure{reason = Reason}, #{mod := Mod} = State) ->
try Mod:handle_auth_failure(<<"EXTERNAL">>, {auth, Reason}, State)
catch _:undef -> process_stream_end({auth, Reason}, State)
end.
-spec process_packet(xmpp_element(), state()) -> state().
process_packet(Pkt, #{mod := Mod} = State) ->
try Mod:handle_packet(Pkt, State)
catch _:undef -> State
end.
-spec is_starttls_required(state()) -> boolean().
is_starttls_required(#{mod := Mod} = State) ->
try Mod:tls_required(State)
catch _:undef -> false
end.
-spec is_starttls_available(state()) -> boolean().
is_starttls_available(#{mod := Mod} = State) ->
try Mod:tls_enabled(State)
catch _:undef -> true
end.
-spec send_header(state()) -> state().
send_header(#{remote_server := RemoteServer,
stream_encrypted := Encrypted,
lang := Lang,
xmlns := NS,
user := User,
resource := Resource,
server := Server} = State) ->
NS_DB = if NS == ?NS_SERVER -> ?NS_SERVER_DIALBACK;
true -> <<"">>
end,
From = if Encrypted ->
jid:make(User, Server, Resource);
NS == ?NS_SERVER ->
jid:make(Server);
true ->
undefined
end,
StreamStart = #stream_start{xmlns = NS,
lang = Lang,
stream_xmlns = ?NS_STREAM,
db_xmlns = NS_DB,
from = From,
to = jid:make(RemoteServer),
version = {1,0}},
case socket_send(State, StreamStart) of
ok -> State;
{error, Why} -> process_stream_end({socket, Why}, State)
end.
-spec send_pkt(state(), xmpp_element() | xmlel()) -> state().
send_pkt(#{mod := Mod} = State, Pkt) ->
Result = socket_send(State, Pkt),
State1 = try Mod:handle_send(Pkt, Result, State)
catch _:undef -> State
end,
case Result of
_ when is_record(Pkt, stream_error) ->
process_stream_end({stream, {out, Pkt}}, State1);
ok ->
State1;
{error, Why} ->
process_stream_end({socket, Why}, State1)
end.
-spec send_error(state(), xmpp_element() | xmlel(), stanza_error()) -> state().
send_error(State, Pkt, Err) ->
case xmpp:is_stanza(Pkt) of
true ->
case xmpp:get_type(Pkt) of
result -> State;
error -> State;
<<"result">> -> State;
<<"error">> -> State;
_ ->
ErrPkt = xmpp:make_error(Pkt, Err),
send_pkt(State, ErrPkt)
end;
false ->
State
end.
-spec socket_send(state(), xmpp_element() | xmlel() | trailer) -> ok | {error, inet:posix()}.
socket_send(#{sockmod := SockMod, socket := Socket, xmlns := NS,
stream_state := StateName}, Pkt) when StateName /= disconnected ->
case Pkt of
trailer ->
SockMod:send_trailer(Socket);
#stream_start{} ->
SockMod:send_header(Socket, xmpp:encode(Pkt));
_ ->
SockMod:send_element(Socket, xmpp:encode(Pkt, NS))
end;
socket_send(_, _) ->
{error, closed}.
-spec send_trailer(state()) -> state().
send_trailer(State) ->
socket_send(State, trailer),
close_socket(State).
-spec close_socket(state()) -> state().
close_socket(#{stream_state := disconnected} = State) ->
State;
close_socket(State) ->
case State of
#{sockmod := SockMod, socket := Socket} ->
SockMod:close(Socket);
_ ->
ok
end,
State#{stream_timeout => infinity,
stream_state => disconnected}.
-spec select_lang(binary(), binary()) -> binary().
select_lang(Lang, <<"">>) -> Lang;
select_lang(_, Lang) -> Lang.
-spec format_inet_error(atom()) -> string().
format_inet_error(Reason) ->
case inet:format_error(Reason) of
"unknown POSIX error" -> atom_to_list(Reason);
Txt -> Txt
end.
-spec format_stream_error(atom() | 'see-other-host'(), undefined | text()) -> string().
format_stream_error(Reason, Txt) ->
Slogan = case Reason of
undefined -> "no reason";
#'see-other-host'{} -> "see-other-host";
_ -> atom_to_list(Reason)
end,
case Txt of
undefined -> Slogan;
#text{data = <<"">>} -> Slogan;
#text{data = Data} ->
binary_to_list(Data) ++ " (" ++ Slogan ++ ")"
end.
-spec format_tls_error(atom() | binary()) -> list().
format_tls_error(Reason) when is_atom(Reason) ->
format_inet_error(Reason);
format_tls_error(Reason) ->
binary_to_list(Reason).
-spec format(io:format(), list()) -> binary().
format(Fmt, Args) ->
iolist_to_binary(io_lib:format(Fmt, Args)).
%%%===================================================================
%%% Connection stuff
%%%===================================================================
idna_to_ascii(<<$[, _/binary>> = Host) ->
%% This is an IPv6 address in 'IP-literal' format (as per RFC7622)
%% We remove brackets here
case binary:last(Host) of
$] ->
IPv6 = binary:part(Host, {1, size(Host)-2}),
case inet:parse_ipv6strict_address(binary_to_list(IPv6)) of
{ok, _} -> IPv6;
{error, _} -> false
end;
_ ->
false
end;
idna_to_ascii(Host) ->
case inet:parse_address(binary_to_list(Host)) of
{ok, _} -> Host;
{error, _} -> ejabberd_idna:domain_utf8_to_ascii(Host)
end.
-spec resolve(string(), state()) -> {ok, [host_port()]} | network_error().
resolve(Host, State) ->
case srv_lookup(Host, State) of
{error, _Reason} ->
DefaultPort = get_default_port(State),
a_lookup([{Host, DefaultPort}], State);
{ok, HostPorts} ->
a_lookup(HostPorts, State)
end.
-spec srv_lookup(string(), state()) -> {ok, [host_port()]} | network_error().
srv_lookup(_Host, #{xmlns := ?NS_COMPONENT}) ->
%% Do not attempt to lookup SRV for component connections
{error, nxdomain};
srv_lookup(Host, State) ->
%% Only perform SRV lookups for FQDN names
case string:chr(Host, $.) of
0 ->
{error, nxdomain};
_ ->
case inet:parse_address(Host) of
{ok, _} ->
{error, nxdomain};
{error, _} ->
Timeout = get_dns_timeout(State),
Retries = get_dns_retries(State),
srv_lookup(Host, Timeout, Retries)
end
end.
-spec srv_lookup(string(), timeout(), integer()) ->
{ok, [host_port()]} | network_error().
srv_lookup(_Host, _Timeout, Retries) when Retries < 1 ->
{error, timeout};
srv_lookup(Host, Timeout, Retries) ->
SRVName = "_xmpp-server._tcp." ++ Host,
case inet_res:getbyname(SRVName, srv, Timeout) of
{ok, HostEntry} ->
host_entry_to_host_ports(HostEntry);
{error, timeout} ->
srv_lookup(Host, Timeout, Retries - 1);
{error, _} = Err ->
Err
end.
-spec a_lookup([{inet:hostname(), inet:port_number()}], state()) ->
{ok, [ip_port()]} | network_error().
a_lookup(HostPorts, State) ->
HostPortFamilies = [{Host, Port, Family}
|| {Host, Port} <- HostPorts,
Family <- get_address_families(State)],
a_lookup(HostPortFamilies, State, {error, nxdomain}).
-spec a_lookup([{inet:hostname(), inet:port_number(), inet:address_family()}],
state(), network_error()) -> {ok, [ip_port()]} | network_error().
a_lookup([{Host, Port, Family}|HostPortFamilies], State, _) ->
Timeout = get_dns_timeout(State),
Retries = get_dns_retries(State),
case a_lookup(Host, Port, Family, Timeout, Retries) of
{error, _} = Err ->
a_lookup(HostPortFamilies, State, Err);
{ok, AddrPorts} ->
{ok, AddrPorts}
end;
a_lookup([], _State, Err) ->
Err.
-spec a_lookup(inet:hostname(), inet:port_number(), inet:address_family(),
timeout(), integer()) -> {ok, [ip_port()]} | network_error().
a_lookup(_Host, _Port, _Family, _Timeout, Retries) when Retries < 1 ->
{error, timeout};
a_lookup(Host, Port, Family, Timeout, Retries) ->
case inet:gethostbyname(Host, Family, Timeout) of
{error, timeout} ->
a_lookup(Host, Port, Family, Timeout, Retries - 1);
{error, _} = Err ->
Err;
{ok, HostEntry} ->
host_entry_to_addr_ports(HostEntry, Port)
end.
-spec host_entry_to_host_ports(inet:hostent()) -> {ok, [host_port()]} |
{error, nxdomain}.
host_entry_to_host_ports(#hostent{h_addr_list = AddrList}) ->
PrioHostPorts = lists:flatmap(
fun({Priority, Weight, Port, Host}) ->
N = case Weight of
0 -> 0;
_ -> (Weight + 1) * randoms:uniform()
end,
[{Priority * 65536 - N, Host, Port}];
(_) ->
[]
end, AddrList),
HostPorts = [{Host, Port}
|| {_Priority, Host, Port} <- lists:usort(PrioHostPorts)],
case HostPorts of
[] -> {error, nxdomain};
_ -> {ok, HostPorts}
end.
-spec host_entry_to_addr_ports(inet:hostent(), inet:port_number()) ->
{ok, [ip_port()]} | {error, nxdomain}.
host_entry_to_addr_ports(#hostent{h_addr_list = AddrList}, Port) ->
AddrPorts = lists:flatmap(
fun(Addr) ->
try get_addr_type(Addr) of
_ -> [{Addr, Port}]
catch _:_ ->
[]
end
end, AddrList),
case AddrPorts of
[] -> {error, nxdomain};
_ -> {ok, AddrPorts}
end.
-spec connect([ip_port()], state()) -> {ok, term(), ip_port()} | network_error().
connect(AddrPorts, #{sockmod := SockMod} = State) ->
Timeout = get_connect_timeout(State),
connect(AddrPorts, SockMod, Timeout, {error, nxdomain}).
-spec connect([ip_port()], module(), timeout(), network_error()) ->
{ok, term(), ip_port()} | network_error().
connect([{Addr, Port}|AddrPorts], SockMod, Timeout, _) ->
Type = get_addr_type(Addr),
case SockMod:connect(Addr, Port,
[binary, {packet, 0},
{send_timeout, ?TCP_SEND_TIMEOUT},
{send_timeout_close, true},
{active, false}, Type],
Timeout) of
{ok, Socket} ->
{ok, Socket, {Addr, Port}};
Err ->
connect(AddrPorts, SockMod, Timeout, Err)
end;
connect([], _SockMod, _Timeout, Err) ->
Err.
-spec get_addr_type(inet:ip_address()) -> inet:address_family().
get_addr_type({_, _, _, _}) -> inet;
get_addr_type({_, _, _, _, _, _, _, _}) -> inet6.
-spec get_dns_timeout(state()) -> timeout().
get_dns_timeout(#{mod := Mod} = State) ->
try Mod:dns_timeout(State)
catch _:undef -> timer:seconds(10)
end.
-spec get_dns_retries(state()) -> non_neg_integer().
get_dns_retries(#{mod := Mod} = State) ->
try Mod:dns_retries(State)
catch _:undef -> 2
end.
-spec get_default_port(state()) -> inet:port_number().
get_default_port(#{mod := Mod, xmlns := NS} = State) ->
try Mod:default_port(State)
catch _:undef when NS == ?NS_SERVER -> 5269;
_:undef when NS == ?NS_CLIENT -> 5222
end.
-spec get_address_families(state()) -> [inet:address_family()].
get_address_families(#{mod := Mod} = State) ->
try Mod:address_families(State)
catch _:undef -> [inet, inet6]
end.
-spec get_connect_timeout(state()) -> timeout().
get_connect_timeout(#{mod := Mod} = State) ->
try Mod:connect_timeout(State)
catch _:undef -> timer:seconds(10)
end.

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%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2016, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 13 Dec 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-module(xmpp_stream_pkix).
%% API
-export([authenticate/1, authenticate/2, format_error/1]).
-include("xmpp.hrl").
-include_lib("public_key/include/public_key.hrl").
-include("XmppAddr.hrl").
%%%===================================================================
%%% API
%%%===================================================================
-spec authenticate(xmpp_stream_in:state() | xmpp_stream_out:state())
-> {ok, binary()} | {error, atom(), binary()}.
authenticate(State) ->
authenticate(State, <<"">>).
-spec authenticate(xmpp_stream_in:state() | xmpp_stream_out:state(), binary())
-> {ok, binary()} | {error, atom(), binary()}.
authenticate(#{xmlns := ?NS_SERVER, sockmod := SockMod,
socket := Socket} = State, Authzid) ->
Peer = try maps:get(remote_server, State)
catch _:{badkey, _} -> Authzid
end,
case SockMod:get_peer_certificate(Socket) of
{ok, Cert} ->
case SockMod:get_verify_result(Socket) of
0 ->
case ejabberd_idna:domain_utf8_to_ascii(Peer) of
false ->
{error, idna_failed, Peer};
AsciiPeer ->
case lists:any(
fun(D) -> match_domain(AsciiPeer, D) end,
get_cert_domains(Cert)) of
true ->
{ok, Peer};
false ->
{error, hostname_mismatch, Peer}
end
end;
VerifyRes ->
%% TODO: return atomic errors
%% This should be improved in fast_tls
Reason = fast_tls:get_cert_verify_string(VerifyRes, Cert),
{error, erlang:binary_to_atom(Reason, utf8), Peer}
end;
{error, _Reason} ->
{error, get_cert_failed, Peer};
error ->
{error, get_cert_failed, Peer}
end;
authenticate(_State, _Authzid) ->
%% TODO: client PKIX authentication
{error, client_not_supported, <<"">>}.
format_error(idna_failed) ->
{'bad-protocol', <<"Remote domain is not an IDN hostname">>};
format_error(hostname_mismatch) ->
{'not-authorized', <<"Certificate host name mismatch">>};
format_error(get_cert_failed) ->
{'bad-protocol', <<"Failed to get peer certificate">>};
format_error(client_not_supported) ->
{'invalid-mechanism', <<"Client certificate verification is not supported">>};
format_error(Other) ->
{'not-authorized', erlang:atom_to_binary(Other, utf8)}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
get_cert_domains(Cert) ->
TBSCert = Cert#'Certificate'.tbsCertificate,
Subject = case TBSCert#'TBSCertificate'.subject of
{rdnSequence, Subj} -> lists:flatten(Subj);
_ -> []
end,
Extensions = case TBSCert#'TBSCertificate'.extensions of
Exts when is_list(Exts) -> Exts;
_ -> []
end,
lists:flatmap(
fun(#'AttributeTypeAndValue'{type = ?'id-at-commonName',value = Val}) ->
case 'OTP-PUB-KEY':decode('X520CommonName', Val) of
{ok, {_, D1}} ->
D = if is_binary(D1) -> D1;
is_list(D1) -> list_to_binary(D1);
true -> error
end,
if D /= error ->
case jid:from_string(D) of
#jid{luser = <<"">>, lserver = LD,
lresource = <<"">>} ->
[LD];
_ -> []
end;
true -> []
end;
_ -> []
end;
(_) -> []
end, Subject) ++
lists:flatmap(
fun(#'Extension'{extnID = ?'id-ce-subjectAltName',
extnValue = Val}) ->
BVal = if is_list(Val) -> list_to_binary(Val);
true -> Val
end,
case 'OTP-PUB-KEY':decode('SubjectAltName', BVal) of
{ok, SANs} ->
lists:flatmap(
fun({otherName, #'AnotherName'{'type-id' = ?'id-on-xmppAddr',
value = XmppAddr}}) ->
case 'XmppAddr':decode('XmppAddr', XmppAddr) of
{ok, D} when is_binary(D) ->
case jid:from_string(D) of
#jid{luser = <<"">>,
lserver = LD,
lresource = <<"">>} ->
case ejabberd_idna:domain_utf8_to_ascii(LD) of
false ->
[];
PCLD ->
[PCLD]
end;
_ -> []
end;
_ -> []
end;
({dNSName, D}) when is_list(D) ->
case jid:from_string(list_to_binary(D)) of
#jid{luser = <<"">>,
lserver = LD,
lresource = <<"">>} ->
[LD];
_ -> []
end;
(_) -> []
end, SANs);
_ -> []
end;
(_) -> []
end, Extensions).
match_domain(Domain, Domain) -> true;
match_domain(Domain, Pattern) ->
DLabels = str:tokens(Domain, <<".">>),
PLabels = str:tokens(Pattern, <<".">>),
match_labels(DLabels, PLabels).
match_labels([], []) -> true;
match_labels([], [_ | _]) -> false;
match_labels([_ | _], []) -> false;
match_labels([DL | DLabels], [PL | PLabels]) ->
case lists:all(fun (C) ->
$a =< C andalso C =< $z orelse
$0 =< C andalso C =< $9 orelse
C == $- orelse C == $*
end,
binary_to_list(PL))
of
true ->
Regexp = ejabberd_regexp:sh_to_awk(PL),
case ejabberd_regexp:run(DL, Regexp) of
match -> match_labels(DLabels, PLabels);
nomatch -> false
end;
false -> false
end.

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#!/usr/bin/escript
%% -*- erlang -*-
%%! -pa ebin
-record(state, {run_hooks = dict:new(),
run_fold_hooks = dict:new(),
hooked_funs = dict:new(),
mfas = dict:new(),
specs = dict:new(),
module :: module(),
file :: filename:filename()}).
main([Dir]) ->
State =
filelib:fold_files(
Dir, ".+\.[eh]rl\$", false,
fun(FileIn, Res) ->
case get_forms(FileIn) of
{ok, Forms} ->
Tree = erl_syntax:form_list(Forms),
Mod = list_to_atom(filename:rootname(filename:basename(FileIn))),
Acc0 = analyze_form(Tree, Res#state{module = Mod, file = FileIn}),
erl_syntax_lib:fold(
fun(Form, Acc) ->
case erl_syntax:type(Form) of
application ->
case erl_syntax_lib:analyze_application(Form) of
{ejabberd_hooks, {run, N}}
when N == 2; N == 3 ->
analyze_run_hook(Form, Acc);
{ejabberd_hooks, {run_fold, N}}
when N == 3; N == 4 ->
analyze_run_fold_hook(Form, Acc);
{ejabberd_hooks, {add, N}}
when N == 4; N == 5 ->
analyze_run_fun(Form, Acc);
{gen_iq_handler, {add_iq_handler, 6}} ->
analyze_iq_handler(Form, Acc);
_ ->
Acc
end;
attribute ->
case catch erl_syntax_lib:analyze_attribute(Form) of
{spec, _} ->
analyze_type_spec(Form, Acc);
_ ->
Acc
end;
_ ->
Acc
end
end, Acc0, Tree);
_Err ->
Res
end
end, #state{}),
report_orphaned_funs(State),
RunDeps = build_deps(State#state.run_hooks, State#state.hooked_funs),
RunFoldDeps = build_deps(State#state.run_fold_hooks, State#state.hooked_funs),
emit_module(RunDeps, RunFoldDeps, State#state.specs, Dir, hooks_type_test).
analyze_form(_Form, State) ->
%% case catch erl_syntax_lib:analyze_forms(Form) of
%% Props when is_list(Props) ->
%% M = State#state.module,
%% MFAs = lists:foldl(
%% fun({F, A}, Acc) ->
%% dict:append({M, F}, A, Acc)
%% end, State#state.mfas,
%% proplists:get_value(functions, Props, [])),
%% State#state{mfas = MFAs};
%% _ ->
%% State
%% end.
State.
analyze_run_hook(Form, State) ->
[Hook|Tail] = erl_syntax:application_arguments(Form),
case atom_value(Hook, State) of
undefined ->
State;
HookName ->
Args = case Tail of
[_Host, Args0] -> Args0;
[Args0] ->
Args0
end,
Arity = erl_syntax:list_length(Args),
Hooks = dict:store({HookName, Arity},
{State#state.file, erl_syntax:get_pos(Hook)},
State#state.run_hooks),
State#state{run_hooks = Hooks}
end.
analyze_run_fold_hook(Form, State) ->
[Hook|Tail] = erl_syntax:application_arguments(Form),
case atom_value(Hook, State) of
undefined ->
State;
HookName ->
Args = case Tail of
[_Host, _Val, Args0] -> Args0;
[_Val, Args0] -> Args0
end,
Arity = erl_syntax:list_length(Args) + 1,
Hooks = dict:store({HookName, Arity},
{State#state.file, erl_syntax:get_pos(Form)},
State#state.run_fold_hooks),
State#state{run_fold_hooks = Hooks}
end.
analyze_run_fun(Form, State) ->
[Hook|Tail] = erl_syntax:application_arguments(Form),
case atom_value(Hook, State) of
undefined ->
State;
HookName ->
{Module, Fun, Seq} = case Tail of
[_Host, M, F, S] ->
{M, F, S};
[M, F, S] ->
{M, F, S}
end,
ModName = module_name(Module, State),
FunName = atom_value(Fun, State),
if ModName /= undefined, FunName /= undefined ->
Funs = dict:append(
HookName,
{ModName, FunName, integer_value(Seq, State),
{State#state.file, erl_syntax:get_pos(Form)}},
State#state.hooked_funs),
State#state{hooked_funs = Funs};
true ->
State
end
end.
analyze_iq_handler(Form, State) ->
[_Component, _Host, _NS, Module, Function, _IQDisc] =
erl_syntax:application_arguments(Form),
Mod = module_name(Module, State),
Fun = atom_value(Function, State),
if Mod /= undefined, Fun /= undefined ->
code:ensure_loaded(Mod),
case erlang:function_exported(Mod, Fun, 1) of
false ->
log("~s:~p: Error: function ~s:~s/1 is registered "
"as iq handler, but is not exported~n",
[State#state.file, erl_syntax:get_pos(Form),
Mod, Fun]);
true ->
ok
end;
true ->
ok
end,
State.
analyze_type_spec(Form, State) ->
case catch erl_syntax:revert(Form) of
{attribute, _, spec, {{F, A}, _}} ->
Specs = dict:store({State#state.module, F, A},
{Form, State#state.file},
State#state.specs),
State#state{specs = Specs};
_ ->
State
end.
build_deps(Hooks, Hooked) ->
dict:fold(
fun({Hook, Arity}, {_File, _LineNo} = Meta, Deps) ->
case dict:find(Hook, Hooked) of
{ok, Funs} ->
ExportedFuns =
lists:flatmap(
fun({M, F, Seq, {FunFile, FunLineNo} = FunMeta}) ->
code:ensure_loaded(M),
case erlang:function_exported(M, F, Arity) of
false ->
log("~s:~p: Error: function ~s:~s/~p "
"is hooked on ~s/~p, but is not "
"exported~n",
[FunFile, FunLineNo, M, F,
Arity, Hook, Arity]),
[];
true ->
[{{M, F, Arity}, Seq, FunMeta}]
end
end, Funs),
dict:append_list({Hook, Arity, Meta}, ExportedFuns, Deps);
error ->
%% log("~s:~p: Warning: hook ~p/~p is unused~n",
%% [_File, _LineNo, Hook, Arity]),
dict:append_list({Hook, Arity, Meta}, [], Deps)
end
end, dict:new(), Hooks).
report_orphaned_funs(State) ->
dict:map(
fun(Hook, Funs) ->
lists:foreach(
fun({M, F, _, {File, Line}}) ->
case get_fun_arities(M, F, State) of
[] ->
log("~s:~p: Error: function ~s:~s is "
"hooked on hook ~s, but is not exported~n",
[File, Line, M, F, Hook]);
Arities ->
case lists:any(
fun(Arity) ->
dict:is_key({Hook, Arity},
State#state.run_hooks) orelse
dict:is_key({Hook, Arity},
State#state.run_fold_hooks);
(_) ->
false
end, Arities) of
false ->
Arity = hd(Arities),
log("~s:~p: Error: function ~s:~s/~p is hooked"
" on non-existent hook ~s/~p~n",
[File, Line, M, F, Arity, Hook, Arity]);
true ->
ok
end
end
end, Funs)
end, State#state.hooked_funs).
get_fun_arities(Mod, Fun, _State) ->
proplists:get_all_values(Fun, Mod:module_info(exports)).
module_name(Form, State) ->
try
Name = erl_syntax:macro_name(Form),
'MODULE' = erl_syntax:variable_name(Name),
State#state.module
catch _:_ ->
atom_value(Form, State)
end.
atom_value(Form, State) ->
case erl_syntax:type(Form) of
atom ->
erl_syntax:atom_value(Form);
_ ->
log("~s:~p: Warning: not an atom: ~s~n",
[State#state.file,
erl_syntax:get_pos(Form),
erl_prettypr:format(Form)]),
undefined
end.
integer_value(Form, State) ->
case erl_syntax:type(Form) of
integer ->
erl_syntax:integer_value(Form);
_ ->
log("~s:~p: Warning: not an integer: ~s~n",
[State#state.file,
erl_syntax:get_pos(Form),
erl_prettypr:format(Form)]),
0
end.
emit_module(RunDeps, RunFoldDeps, Specs, Dir, Module) ->
File = filename:join([Dir, Module]) ++ ".erl",
try
{ok, Fd} = file:open(File, [write]),
write(Fd, "-module(~s).~n~n", [Module]),
emit_export(Fd, RunDeps, "run hooks"),
emit_export(Fd, RunFoldDeps, "run_fold hooks"),
emit_run_hooks(Fd, RunDeps, Specs),
emit_run_fold_hooks(Fd, RunFoldDeps, Specs),
write(Fd, "bypass_stop({stop, Acc}) -> Acc;~n"
"bypass_stop(Acc) -> Acc.~n", []),
file:close(Fd),
log("Module written to file ~s~n", [File])
catch _:{badmatch, {error, Reason}} ->
log("writing to ~s failed: ~s", [File, file:format_error(Reason)])
end.
emit_run_hooks(Fd, Deps, Specs) ->
DepsList = lists:sort(dict:to_list(Deps)),
lists:foreach(
fun({{Hook, Arity, {File, LineNo}}, []}) ->
Args = lists:duplicate(Arity, "_"),
write(Fd, "%% called at ~s:~p~n", [File, LineNo]),
write(Fd, "~s(~s) -> ok.~n~n", [Hook, string:join(Args, ", ")]);
({{Hook, Arity, {File, LineNo}}, Funs}) ->
emit_specs(Fd, Funs, Specs),
write(Fd, "%% called at ~s:~p~n", [File, LineNo]),
Args = string:join(
[[N] || N <- lists:sublist(lists:seq($A, $Z), Arity)],
", "),
write(Fd, "~s(~s) ->~n ", [Hook, Args]),
Calls = [io_lib:format("~s:~s(~s)", [Mod, Fun, Args])
|| {{Mod, Fun, _}, _Seq, _} <- lists:keysort(2, Funs)],
write(Fd, "~s.~n~n", [string:join(Calls, ",\n ")])
end, DepsList).
emit_run_fold_hooks(Fd, Deps, Specs) ->
DepsList = lists:sort(dict:to_list(Deps)),
lists:foreach(
fun({{Hook, Arity, {File, LineNo}}, []}) ->
write(Fd, "%% called at ~s:~p~n", [File, LineNo]),
Args = ["Acc"|lists:duplicate(Arity - 1, "_")],
write(Fd, "~s(~s) -> Acc.~n~n", [Hook, string:join(Args, ", ")]);
({{Hook, Arity, {File, LineNo}}, Funs}) ->
emit_specs(Fd, Funs, Specs),
write(Fd, "%% called at ~s:~p~n", [File, LineNo]),
Args = [[N] || N <- lists:sublist(lists:seq($A, $Z), Arity - 1)],
write(Fd, "~s(~s) ->", [Hook, string:join(["Acc"|Args], ", ")]),
FunsCascade = make_funs_cascade(
lists:reverse(lists:keysort(2, Funs)),
1, Args),
write(Fd, "~s.~n~n", [FunsCascade])
end, DepsList).
make_funs_cascade([{{Mod, Fun, _}, _Seq, _}|Funs], N, Args) ->
io_lib:format("~n~sbypass_stop(~s:~s(~s))",
[lists:duplicate(N, " "),
Mod, Fun, string:join([make_funs_cascade(Funs, N+1, Args)|Args], ", ")]);
make_funs_cascade([], _N, _Args) ->
"Acc".
emit_export(Fd, Deps, Comment) ->
DepsList = lists:sort(dict:to_list(Deps)),
Exports = lists:map(
fun({{Hook, Arity, _}, _}) ->
io_lib:format("~s/~p", [Hook, Arity])
end, DepsList),
write(Fd, "%% ~s~n-export([~s]).~n~n",
[Comment, string:join(Exports, ",\n ")]).
emit_specs(Fd, Funs, Specs) ->
lists:foreach(
fun({{M, _, _} = MFA, _, _}) ->
case dict:find(MFA, Specs) of
{ok, {Form, _File}} ->
Lines = string:tokens(erl_syntax:get_ann(Form), "\n"),
lists:foreach(
fun("%" ++ _) ->
ok;
("-spec" ++ Spec) ->
write(Fd, "%% -spec ~p:~s~n",
[M, string:strip(Spec, left)]);
(Line) ->
write(Fd, "%% ~s~n", [Line])
end, Lines);
error ->
ok
end
end, lists:keysort(2, Funs)).
get_forms(Path) ->
case file:open(Path, [read]) of
{ok, Fd} ->
parse(Path, Fd, 1, []);
Err ->
Err
end.
parse(Path, Fd, Line, Acc) ->
{ok, Pos} = file:position(Fd, cur),
case epp_dodger:parse_form(Fd, Line) of
{ok, Form, NewLine} ->
{ok, NewPos} = file:position(Fd, cur),
{ok, RawForm} = file:pread(Fd, Pos, NewPos - Pos),
file:position(Fd, {bof, NewPos}),
AnnForm = erl_syntax:set_ann(Form, RawForm),
parse(Path, Fd, NewLine, [AnnForm|Acc]);
{eof, _} ->
{ok, NewPos} = file:position(Fd, cur),
if NewPos > Pos ->
{ok, RawForm} = file:pread(Fd, Pos, NewPos - Pos),
Form = erl_syntax:text(""),
AnnForm = erl_syntax:set_ann(Form, RawForm),
{ok, lists:reverse([AnnForm|Acc])};
true ->
{ok, lists:reverse(Acc)}
end;
{error, {_, _, ErrDesc}, LineNo} = Err ->
log("~s:~p: Error: ~s~n",
[Path, LineNo, erl_parse:format_error(ErrDesc)]),
Err
end.
log(Format, Args) ->
io:format(standard_io, Format, Args).
write(Fd, Format, Args) ->
file:write(Fd, io_lib:format(Format, Args)).