X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=net%2Fxmppclient_listener.lua;h=357516e9508f58297b9a53716c4893d042cededa;hb=67081a9864d45796f59658ccd4b779ffbe0d44e0;hp=068557c8df5f8e173f4cb2de2240466beea3d021;hpb=b1c141f5b8be93308bd1442f3d4f7d2044dc3bdb;p=prosody.git diff --git a/net/xmppclient_listener.lua b/net/xmppclient_listener.lua index 068557c8..357516e9 100644 --- a/net/xmppclient_listener.lua +++ b/net/xmppclient_listener.lua @@ -1,3 +1,23 @@ +-- Prosody IM v0.2 +-- Copyright (C) 2008 Matthew Wild +-- Copyright (C) 2008 Waqas Hussain +-- +-- 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. +-- + + local logger = require "logger"; local lxp = require "lxp" @@ -13,26 +33,79 @@ local m_random = math.random; local format = string.format; local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session"); local sm_streamopened = sessionmanager.streamopened; +local sm_streamclosed = sessionmanager.streamclosed; local st = stanza; +local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream", streamopened = sm_streamopened, streamclosed = sm_streamclosed, handlestanza = core_process_stanza }; + +function stream_callbacks.error(session, error, data) + if error == "no-stream" then + session:close("invalid-namespace"); + else + session.log("debug", "Client XML parse error: %s", tostring(error)); + session:close("xml-not-well-formed"); + end +end + +local function handleerr(err) log("error", "Traceback[c2s]: %s: %s", tostring(err), debug.traceback()); end +function stream_callbacks.handlestanza(a, b) + xpcall(function () core_process_stanza(a, b) end, handleerr); +end + local sessions = {}; -local xmppclient = { default_port = 5222 }; +local xmppclient = { default_port = 5222, default_mode = "*a" }; -- These are session methods -- local function session_reset_stream(session) -- Reset stream - local parser = lxp.new(init_xmlhandlers(session, sm_streamopened), "|"); + local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|"); session.parser = parser; session.notopen = true; function session.data(conn, data) - parser:parse(data); + local ok, err = parser:parse(data); + if ok then return; end + session:close("xml-not-well-formed"); end + return true; end + +local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'}; +local function session_close(session, reason) + local log = session.log or log; + if session.conn then + if reason then + if type(reason) == "string" then -- assume stream error + log("info", "Disconnecting client, is: %s", reason); + session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' })); + elseif type(reason) == "table" then + if reason.condition then + local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up(); + if reason.text then + stanza:tag("text", stream_xmlns_attr):text(reason.text):up(); + end + if reason.extra then + stanza:add_child(reason.extra); + end + log("info", "Disconnecting client, is: %s", tostring(stanza)); + session.send(stanza); + elseif reason.name then -- a stanza + log("info", "Disconnecting client, is: %s", tostring(reason)); + session.send(reason); + end + end + end + session.send(""); + session.conn.close(); + xmppclient.disconnect(session.conn, "stream error"); + end +end + + -- End of session methods -- function xmppclient.listener(conn, data) @@ -43,40 +116,27 @@ function xmppclient.listener(conn, data) -- Logging functions -- - local mainlog, log = log; - do - local conn_name = tostring(conn):match("[a-f0-9]+$"); - log = logger.init(conn_name); - end - local print = function (...) log("info", t_concatall({...}, "\t")); end - session.log = log; - - print("Client connected"); + local conn_name = "c2s"..tostring(conn):match("[a-f0-9]+$"); + session.log = logger.init(conn_name); + + session.log("info", "Client connected"); session.reset_stream = session_reset_stream; + session.close = session_close; session_reset_stream(session); -- Initialise, ready for use - -- TODO: Below function should be session,stanza - and xmlhandlers should use :method() notation to call, - -- this will avoid the useless indirection we have atm - -- (I'm on a mission, no time to fix now) - session.stanza_dispatch = function (stanza) return core_process_stanza(session, stanza); end - + session.dispatch_stanza = stream_callbacks.handlestanza; end if data then session.data(conn, data); end end -function xmppclient.disconnect(conn) +function xmppclient.disconnect(conn, err) local session = sessions[conn]; if session then - if session.last_presence and session.last_presence.attr.type ~= "unavailable" then - local pres = st.presence{ type = "unavailable" }; - if err == "closed" then err = "connection closed"; end - pres:tag("status"):text("Disconnected: "..err); - session.stanza_dispatch(pres); - end + (session.log or log)("info", "Client disconnected: %s", err); sm_destroy_session(session); sessions[conn] = nil; session = nil;