Alexey Shchepin
parent
1f16e0697b
commit
e6c062fe40
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@ -10,33 +10,27 @@
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-export([start/0, init/0]).
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-export([start/0, init/2]).
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start() ->
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register(ejabberd_listener, spawn(?MODULE, init, [])).
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register(ejabberd_listener_c2s,
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spawn(?MODULE, init, [5522, ejabberd_c2s])),
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register(ejabberd_listener_s2s,
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spawn(?MODULE, init, [5269, ejabberd_s2s_in])).
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init() ->
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{ok, ListenSocket} = gen_tcp:listen(5522, [binary,
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init(Port, CallbackModule) ->
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{ok, ListenSocket} = gen_tcp:listen(Port, [binary,
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{packet, 0},
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{active, false},
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{reuseaddr, true}]),
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accept(ListenSocket).
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accept(ListenSocket, CallbackModule).
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accept(ListenSocket) ->
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accept(ListenSocket, CallbackModule) ->
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case gen_tcp:accept(ListenSocket) of
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{ok,Socket} ->
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ejabberd_c2s:start(Socket),
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accept(ListenSocket)
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end.
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do_recv(Sock, Bs) ->
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case gen_tcp:recv(Sock, 0) of
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{ok, B} ->
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do_recv(Sock, [Bs, B]);
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{error, closed} ->
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{ok, list_to_binary(Bs)}
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apply(CallbackModule, start, [Socket]),
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%ejabberd_c2s:start(Socket),
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accept(ListenSocket, CallbackModule)
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end.
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@ -0,0 +1,274 @@
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%%%----------------------------------------------------------------------
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%%% File : ejabberd_s2s_in.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 6 Dec 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd_s2s_in).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-behaviour(gen_fsm).
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%% External exports
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-export([start/1, receiver/2, send_text/2, send_element/2]).
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%% gen_fsm callbacks
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-export([init/1, wait_for_stream/2, wait_for_key/2, session_established/2,
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handle_info/3,
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terminate/3]).
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-record(state, {socket, receiver, streamid,
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myself = "localhost", server}).
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-include("ejabberd.hrl").
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-define(DBGFSM, true).
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-ifdef(DBGFSM).
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-define(FSMOPTS, [{debug, [trace]}]).
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-else.
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-define(FSMOPTS, []).
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-endif.
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-define(STREAM_HEADER,
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"<?xml version='1.0'?>"
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"<stream:stream "
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"xmlns:stream='http://etherx.jabber.org/streams' "
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"xmlns='jabber:server' "
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"xmlns:db='jabber:server:dialback'>"
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).
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-define(STREAM_TRAILER, "</stream:stream>").
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-define(INVALID_HEADER_ERR,
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"<stream:stream>"
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"<stream:error>Invalid Stream Header</stream:error>"
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"</stream:stream>"
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).
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%%%----------------------------------------------------------------------
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%%% API
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%%%----------------------------------------------------------------------
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start(Socket) ->
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gen_fsm:start(ejabberd_s2s_in, [Socket], ?FSMOPTS).
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%%%----------------------------------------------------------------------
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%%% Callback functions from gen_fsm
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%%%----------------------------------------------------------------------
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%%----------------------------------------------------------------------
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%% Func: init/1
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%% Returns: {ok, StateName, StateData} |
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%% {ok, StateName, StateData, Timeout} |
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%% ignore |
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%% {stop, StopReason}
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%%----------------------------------------------------------------------
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init([Socket]) ->
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ReceiverPid = spawn(?MODULE, receiver, [Socket, self()]),
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{ok, wait_for_stream, #state{socket = Socket,
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receiver = ReceiverPid,
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streamid = new_id()}}.
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%%----------------------------------------------------------------------
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%% Func: StateName/2
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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state_name(Event, StateData) ->
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{next_state, state_name, StateData}.
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wait_for_stream({xmlstreamstart, Name, Attrs}, StateData) ->
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% TODO
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case {xml:get_attr_s("xmlns", Attrs), xml:get_attr_s("xmlns:db", Attrs)} of
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{"jabber:server", "jabber:server:dialback"} ->
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send_text(StateData#state.socket, ?STREAM_HEADER),
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{next_state, wait_for_key, StateData};
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_ ->
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send_text(StateData#state.socket, ?INVALID_HEADER_ERR),
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{stop, normal, StateData}
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end;
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wait_for_stream(closed, StateData) ->
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{stop, normal, StateData}.
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wait_for_key({xmlstreamelement, El}, StateData) ->
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case is_key_packet(El) of
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{key, To, From, Id, Key} ->
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io:format("GET KEY: ~p~n", [{To, From, Id, Key}]),
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% TODO
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ejabberd_s2s_out:start(From, {verify, self(), Key}),
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{next_state, wait_for_key, StateData};
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{verify, To, From, Id, Key} ->
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io:format("VERIFY KEY: ~p~n", [{To, From, Id, Key}]),
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% TODO
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{next_state, wait_for_key, StateData};
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_ ->
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{next_state, wait_for_key, StateData}
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end;
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wait_for_key({xmlstreamend, Name}, StateData) ->
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% TODO
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{stop, normal, StateData};
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wait_for_key(closed, StateData) ->
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{stop, normal, StateData}.
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session_established({xmlstreamelement, El}, StateData) ->
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{xmlelement, Name, Attrs, Els} = El,
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% TODO
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FromJID = {StateData#state.server},
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To = xml:get_attr_s("to", Attrs),
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ToJID = case To of
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"" ->
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{"", StateData#state.server, ""};
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_ ->
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jlib:string_to_jid(To)
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end,
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case ToJID of
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error ->
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% TODO
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error;
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_ ->
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%?DEBUG("FromJID=~w, ToJID=~w, El=~w~n", [FromJID, ToJID, El]),
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ejabberd_router:route(FromJID, ToJID, El)
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end,
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{next_state, session_established, StateData};
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session_established(closed, StateData) ->
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% TODO
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{stop, normal, StateData}.
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%%----------------------------------------------------------------------
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%% Func: StateName/3
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {reply, Reply, NextStateName, NextStateData} |
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%% {reply, Reply, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData} |
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%% {stop, Reason, Reply, NewStateData}
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%%----------------------------------------------------------------------
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state_name(Event, From, StateData) ->
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Reply = ok,
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{reply, Reply, state_name, StateData}.
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%%----------------------------------------------------------------------
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%% Func: handle_event/3
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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handle_event(Event, StateName, StateData) ->
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{next_state, StateName, StateData}.
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%%----------------------------------------------------------------------
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%% Func: handle_sync_event/4
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {reply, Reply, NextStateName, NextStateData} |
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%% {reply, Reply, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData} |
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%% {stop, Reason, Reply, NewStateData}
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%%----------------------------------------------------------------------
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handle_sync_event(Event, From, StateName, StateData) ->
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Reply = ok,
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{reply, Reply, StateName, StateData}.
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%%----------------------------------------------------------------------
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%% Func: handle_info/3
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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handle_info({send_text, Text}, StateName, StateData) ->
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send_text(StateData#state.socket, Text),
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{next_state, StateName, StateData}.
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%%----------------------------------------------------------------------
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%% Func: terminate/3
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%% Purpose: Shutdown the fsm
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%% Returns: any
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%%----------------------------------------------------------------------
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terminate(Reason, StateName, StateData) ->
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% case StateData#state.user of
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% "" ->
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% ok;
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% _ ->
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% %ejabberd_sm:close_session(StateData#state.user,
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% % StateData#state.resource)
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% end,
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gen_tcp:close(StateData#state.socket),
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ok.
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%%%----------------------------------------------------------------------
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%%% Internal functions
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%%%----------------------------------------------------------------------
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receiver(Socket, C2SPid) ->
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XMLStreamPid = xml_stream:start(C2SPid),
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receiver(Socket, C2SPid, XMLStreamPid).
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receiver(Socket, C2SPid, XMLStreamPid) ->
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case gen_tcp:recv(Socket, 0) of
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{ok, Text} ->
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xml_stream:send_text(XMLStreamPid, Text),
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receiver(Socket, C2SPid, XMLStreamPid);
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{error, closed} ->
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exit(XMLStreamPid, closed),
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gen_fsm:send_event(C2SPid, closed),
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ok
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end.
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send_text(Socket, Text) ->
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gen_tcp:send(Socket,Text).
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send_element(Socket, El) ->
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send_text(Socket, xml:element_to_string(El)).
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new_id() ->
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lists:flatten(io_lib:format("~p", [random:uniform(65536*65536)])).
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is_key_packet({xmlelement, Name, Attrs, Els}) when Name == "db:result" ->
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{key,
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xml:get_attr_s("to", Attrs),
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xml:get_attr_s("from", Attrs),
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xml:get_attr_s("id", Attrs),
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xml:get_cdata(Els)};
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is_key_packet({xmlelement, Name, Attrs, Els}) when Name == "db:verify" ->
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{verify,
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xml:get_attr_s("to", Attrs),
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xml:get_attr_s("from", Attrs),
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xml:get_attr_s("id", Attrs),
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xml:get_cdata(Els)};
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is_key_packet(_) ->
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false.
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get_auth_tags([{xmlelement, Name, Attrs, Els}| L], U, P, D, R) ->
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CData = xml:get_cdata(Els),
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case Name of
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"username" ->
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get_auth_tags(L, CData, P, D, R);
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"password" ->
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get_auth_tags(L, U, CData, D, R);
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"digest" ->
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get_auth_tags(L, U, P, CData, R);
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"resource" ->
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get_auth_tags(L, U, P, D, CData);
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_ ->
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get_auth_tags(L, U, P, D, R)
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end;
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get_auth_tags([_ | L], U, P, D, R) ->
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get_auth_tags(L, U, P, D, R);
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get_auth_tags([], U, P, D, R) ->
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{U, P, D, R}.
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@ -0,0 +1,341 @@
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%%%----------------------------------------------------------------------
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%%% File : ejabberd_s2s_out.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 6 Dec 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd_s2s_out).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-behaviour(gen_fsm).
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%% External exports
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-export([start/2, receiver/2, send_text/2, send_element/2]).
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%% gen_fsm callbacks
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-export([init/1,
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wait_for_stream/2,
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wait_for_key/2,
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wait_for_verification/2,
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session_established/2,
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handle_info/3,
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terminate/3]).
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-record(state, {socket, receiver, streamid,
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myself = "localhost", server, type, xmlpid}).
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-include("ejabberd.hrl").
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-define(DBGFSM, true).
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-ifdef(DBGFSM).
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-define(FSMOPTS, [{debug, [trace]}]).
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-else.
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-define(FSMOPTS, []).
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-endif.
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-define(STREAM_HEADER,
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"<?xml version='1.0'?>"
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"<stream:stream "
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"xmlns:stream='http://etherx.jabber.org/streams' "
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"xmlns='jabber:server' "
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"xmlns:db='jabber:server:dialback'>"
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).
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-define(STREAM_TRAILER, "</stream:stream>").
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-define(INVALID_HEADER_ERR,
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"<stream:stream>"
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"<stream:error>Invalid Stream Header</stream:error>"
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"</stream:stream>"
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).
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%%%----------------------------------------------------------------------
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%%% API
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%%%----------------------------------------------------------------------
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start(Host, Type) ->
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gen_fsm:start(ejabberd_s2s_out, [Host, Type], ?FSMOPTS).
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%%%----------------------------------------------------------------------
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%%% Callback functions from gen_fsm
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%%%----------------------------------------------------------------------
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%%----------------------------------------------------------------------
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%% Func: init/1
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%% Returns: {ok, StateName, StateData} |
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%% {ok, StateName, StateData, Timeout} |
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%% ignore |
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%% {stop, StopReason}
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%%----------------------------------------------------------------------
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init([Host, Type]) ->
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{ok, Socket} = gen_tcp:connect(Host, 5569,
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[binary, {packet, 0}]),
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XMLStreamPid = xml_stream:start(self()),
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%ReceiverPid = spawn(?MODULE, receiver, [Socket, self()]),
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send_text(Socket, ?STREAM_HEADER),
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{ok, wait_for_stream, #state{socket = Socket,
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xmlpid = XMLStreamPid,
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streamid = new_id(),
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server = Host,
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type = Type}}.
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%%----------------------------------------------------------------------
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%% Func: StateName/2
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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state_name(Event, StateData) ->
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{next_state, state_name, StateData}.
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wait_for_stream({xmlstreamstart, Name, Attrs}, StateData) ->
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% TODO
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case {xml:get_attr_s("xmlns", Attrs), xml:get_attr_s("xmlns:db", Attrs)} of
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{"jabber:server", "jabber:server:dialback"} ->
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case StateData#state.type of
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new ->
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% TODO
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{next_state, wait_for_key, StateData};
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{verify, Pid, Key} ->
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send_element(StateData#state.socket,
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{xmlelement,
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"db:verify",
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[{"from", "127.0.0.1"},
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{"to", StateData#state.server}],
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[{xmlcdata, Key}]}),
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{next_state, wait_for_verification, StateData}
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end;
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_ ->
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send_text(StateData#state.socket, ?INVALID_HEADER_ERR),
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{stop, normal, StateData}
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end;
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wait_for_stream(closed, StateData) ->
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{stop, normal, StateData}.
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wait_for_key({xmlstreamelement, El}, StateData) ->
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case is_key_packet(El) of
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{key, To, From, Id, Key} ->
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io:format("GET KEY: ~p~n", [{To, From, Id, Key}]),
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% TODO
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{next_state, wait_for_key, StateData};
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{verify, To, From, Id, Key} ->
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io:format("VERIFY KEY: ~p~n", [{To, From, Id, Key}]),
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% TODO
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{next_state, wait_for_key, StateData};
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_ ->
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{next_state, wait_for_key, StateData}
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end;
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wait_for_key({xmlstreamend, Name}, StateData) ->
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% TODO
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{stop, normal, StateData};
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wait_for_key(closed, StateData) ->
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{stop, normal, StateData}.
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wait_for_verification({xmlstreamelement, El}, StateData) ->
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case is_verify_res(El) of
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{result, To, From, Id, Type} ->
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case Type of
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"valid" ->
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io:format("VALID KEY~n", []);
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% TODO
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_ ->
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% TODO
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ok
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end,
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{stop, normal, StateData};
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_ ->
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{next_state, wait_for_verification, StateData}
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end;
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|
||||
wait_for_verification({xmlstreamend, Name}, StateData) ->
|
||||
% TODO
|
||||
{stop, normal, StateData};
|
||||
|
||||
wait_for_verification(closed, StateData) ->
|
||||
{stop, normal, StateData}.
|
||||
|
||||
session_established({xmlstreamelement, El}, StateData) ->
|
||||
{xmlelement, Name, Attrs, Els} = El,
|
||||
% TODO
|
||||
FromJID = {StateData#state.server},
|
||||
To = xml:get_attr_s("to", Attrs),
|
||||
ToJID = case To of
|
||||
"" ->
|
||||
{"", StateData#state.server, ""};
|
||||
_ ->
|
||||
jlib:string_to_jid(To)
|
||||
end,
|
||||
case ToJID of
|
||||
error ->
|
||||
% TODO
|
||||
error;
|
||||
_ ->
|
||||
%?DEBUG("FromJID=~w, ToJID=~w, El=~w~n", [FromJID, ToJID, El]),
|
||||
ejabberd_router:route(FromJID, ToJID, El)
|
||||
end,
|
||||
{next_state, session_established, StateData};
|
||||
|
||||
session_established(closed, StateData) ->
|
||||
% TODO
|
||||
{stop, normal, StateData}.
|
||||
|
||||
|
||||
|
||||
%%----------------------------------------------------------------------
|
||||
%% 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}.
|
||||
|
||||
%%----------------------------------------------------------------------
|
||||
%% Func: handle_event/3
|
||||
%% Returns: {next_state, NextStateName, NextStateData} |
|
||||
%% {next_state, NextStateName, NextStateData, Timeout} |
|
||||
%% {stop, Reason, NewStateData}
|
||||
%%----------------------------------------------------------------------
|
||||
handle_event(Event, StateName, StateData) ->
|
||||
{next_state, 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}.
|
||||
|
||||
%%----------------------------------------------------------------------
|
||||
%% Func: handle_info/3
|
||||
%% Returns: {next_state, NextStateName, NextStateData} |
|
||||
%% {next_state, NextStateName, NextStateData, Timeout} |
|
||||
%% {stop, Reason, NewStateData}
|
||||
%%----------------------------------------------------------------------
|
||||
handle_info({send_text, Text}, StateName, StateData) ->
|
||||
send_text(StateData#state.socket, Text),
|
||||
{next_state, StateName, StateData};
|
||||
handle_info({tcp, Socket, Data}, StateName, StateData) ->
|
||||
xml_stream:send_text(StateData#state.xmlpid, Data),
|
||||
{next_state, StateName, StateData};
|
||||
handle_info({tcp_closed, Socket}, StateName, StateData) ->
|
||||
self() ! closed,
|
||||
{next_state, StateName, StateData};
|
||||
handle_info({tcp_error, Socket, Reason}, StateName, StateData) ->
|
||||
self() ! closed,
|
||||
{next_state, StateName, StateData}.
|
||||
|
||||
%%----------------------------------------------------------------------
|
||||
%% Func: terminate/3
|
||||
%% Purpose: Shutdown the fsm
|
||||
%% Returns: any
|
||||
%%----------------------------------------------------------------------
|
||||
terminate(Reason, StateName, StateData) ->
|
||||
% case StateData#state.user of
|
||||
% "" ->
|
||||
% ok;
|
||||
% _ ->
|
||||
% %ejabberd_sm:close_session(StateData#state.user,
|
||||
% % StateData#state.resource)
|
||||
% end,
|
||||
gen_tcp:close(StateData#state.socket),
|
||||
ok.
|
||||
|
||||
%%%----------------------------------------------------------------------
|
||||
%%% Internal functions
|
||||
%%%----------------------------------------------------------------------
|
||||
|
||||
receiver(Socket, C2SPid) ->
|
||||
XMLStreamPid = xml_stream:start(C2SPid),
|
||||
receiver(Socket, C2SPid, XMLStreamPid).
|
||||
|
||||
receiver(Socket, C2SPid, XMLStreamPid) ->
|
||||
case gen_tcp:recv(Socket, 0) of
|
||||
{ok, Text} ->
|
||||
xml_stream:send_text(XMLStreamPid, Text),
|
||||
receiver(Socket, C2SPid, XMLStreamPid);
|
||||
{error, closed} ->
|
||||
exit(XMLStreamPid, closed),
|
||||
gen_fsm:send_event(C2SPid, closed),
|
||||
ok
|
||||
end.
|
||||
|
||||
send_text(Socket, Text) ->
|
||||
gen_tcp:send(Socket,Text).
|
||||
|
||||
send_element(Socket, El) ->
|
||||
send_text(Socket, xml:element_to_string(El)).
|
||||
|
||||
new_id() ->
|
||||
lists:flatten(io_lib:format("~p", [random:uniform(65536*65536)])).
|
||||
|
||||
|
||||
is_key_packet({xmlelement, Name, Attrs, Els}) when Name == "db:result" ->
|
||||
{key,
|
||||
xml:get_attr_s("to", Attrs),
|
||||
xml:get_attr_s("from", Attrs),
|
||||
xml:get_attr_s("id", Attrs),
|
||||
xml:get_cdata(Els)};
|
||||
is_key_packet({xmlelement, Name, Attrs, Els}) when Name == "db:verify" ->
|
||||
{verify,
|
||||
xml:get_attr_s("to", Attrs),
|
||||
xml:get_attr_s("from", Attrs),
|
||||
xml:get_attr_s("id", Attrs),
|
||||
xml:get_cdata(Els)};
|
||||
is_key_packet(_) ->
|
||||
false.
|
||||
|
||||
is_verify_res({xmlelement, Name, Attrs, Els}) when Name == "db:result" ->
|
||||
{result,
|
||||
xml:get_attr_s("to", Attrs),
|
||||
xml:get_attr_s("from", Attrs),
|
||||
xml:get_attr_s("id", Attrs),
|
||||
xml:get_attr_s("type", Attrs)};
|
||||
is_verify_res({xmlelement, Name, Attrs, Els}) when Name == "db:verify" ->
|
||||
{result,
|
||||
xml:get_attr_s("to", Attrs),
|
||||
xml:get_attr_s("from", Attrs),
|
||||
xml:get_attr_s("id", Attrs),
|
||||
xml:get_attr_s("type", Attrs)};
|
||||
is_verify_res(_) ->
|
||||
false.
|
||||
|
||||
get_auth_tags([{xmlelement, Name, Attrs, Els}| L], U, P, D, R) ->
|
||||
CData = xml:get_cdata(Els),
|
||||
case Name of
|
||||
"username" ->
|
||||
get_auth_tags(L, CData, P, D, R);
|
||||
"password" ->
|
||||
get_auth_tags(L, U, CData, D, R);
|
||||
"digest" ->
|
||||
get_auth_tags(L, U, P, CData, R);
|
||||
"resource" ->
|
||||
get_auth_tags(L, U, P, D, CData);
|
||||
_ ->
|
||||
get_auth_tags(L, U, P, D, R)
|
||||
end;
|
||||
get_auth_tags([_ | L], U, P, D, R) ->
|
||||
get_auth_tags(L, U, P, D, R);
|
||||
get_auth_tags([], U, P, D, R) ->
|
||||
{U, P, D, R}.
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue