--- Prosody IM v0.1
--- Copyright (C) 2008 Matthew Wild
--- Copyright (C) 2008 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 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.
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
--
local logger = require "logger";
+local log = logger.init("xmppclient_listener");
local lxp = require "lxp"
local init_xmlhandlers = require "core.xmlhandlers"
local sm_new_session = require "core.sessionmanager".new_session;
local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
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 sessionmanager = require "core.sessionmanager";
+local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
local sm_streamopened = sessionmanager.streamopened;
local sm_streamclosed = sessionmanager.streamclosed;
-local st = stanza;
+local st = require "util.stanza";
+
+local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams\1stream",
+ default_ns = "jabber:client",
+ streamopened = sm_streamopened, streamclosed = sm_streamclosed, handlestanza = core_process_stanza };
+
+function stream_callbacks.error(session, error, data)
+ if error == "no-stream" then
+ session.log("debug", "Invalid opening stream header");
+ session:close("invalid-namespace");
+ elseif session.close then
+ (session.log or log)("debug", "Client XML parse error: %s", tostring(error));
+ session:close("xml-not-well-formed");
+ end
+end
-local stream_callbacks = { streamopened = sm_streamopened, streamclosed = sm_streamclosed };
+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, default_mode = "*a" };
local function session_reset_stream(session)
-- Reset stream
- local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|");
+ local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "\1");
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
+ log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_"));
+ session:close("xml-not-well-formed");
end
+
return true;
end
local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
+local default_stream_attr = { ["xmlns:stream"] = stream_callbacks.stream_tag:match("[^\1]*"), xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
local function session_close(session, reason)
local log = session.log or log;
if session.conn then
+ if session.notopen then
+ session.send("<?xml version='1.0'?>");
+ session.send(st.stanza("stream:stream", default_stream_attr):top_tag());
+ end
if reason then
if type(reason) == "string" then -- assume stream error
log("info", "Disconnecting client, <stream:error> is: %s", reason);
end
end
session.send("</stream:stream>");
- session.conn.close();
- xmppclient.disconnect(session.conn, "stream error");
+ session.conn:close();
+ xmppclient.ondisconnect(session.conn, (reason and (reason.text or reason.condition)) or reason or "session closed");
end
end
-- End of session methods --
-function xmppclient.listener(conn, data)
+function xmppclient.onincoming(conn, data)
local session = sessions[conn];
if not session then
session = sm_new_session(conn);
sessions[conn] = session;
- -- Logging functions --
-
- local mainlog, log = log;
- do
- local conn_name = "c2s"..tostring(conn):match("[a-f0-9]+$");
- log = logger.init(conn_name);
+ session.log("info", "Client connected");
+
+ -- Client is using legacy SSL (otherwise mod_tls sets this flag)
+ if conn:ssl() then
+ session.secure = true;
end
- local print = function (...) log("info", t_concatall({...}, "\t")); end
- session.log = log;
-
- print("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)
-
- -- Debug version --
- local function handleerr(err) print("Traceback:", err, debug.traceback()); end
- session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr)); end
+ session.dispatch_stanza = stream_callbacks.handlestanza;
end
if data then
session.data(conn, data);
end
end
-function xmppclient.disconnect(conn, err)
+function xmppclient.ondisconnect(conn, err)
local session = sessions[conn];
if session then
(session.log or log)("info", "Client disconnected: %s", err);
- sm_destroy_session(session);
+ sm_destroy_session(session, err);
sessions[conn] = nil;
session = nil;
- collectgarbage("collect");
end
end
projects / prosody.git / blobdiff