--- Prosody IM v0.4
+-- Prosody IM
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
--
local s2s_streamclosed = require "core.s2smanager".streamclosed;
local s2s_destroy_session = require "core.s2smanager".destroy_session;
local s2s_attempt_connect = require "core.s2smanager".attempt_connection;
-local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream",
- default_ns = "jabber:server",
+local stream_callbacks = { default_ns = "jabber:server",
streamopened = s2s_streamopened, streamclosed = s2s_streamclosed, handlestanza = core_process_stanza };
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
+
function stream_callbacks.error(session, error, data)
if error == "no-stream" then
session:close("invalid-namespace");
- else
+ elseif error == "parse-error" then
session.log("debug", "Server-to-server XML parse error: %s", tostring(error));
session:close("xml-not-well-formed");
+ elseif error == "stream-error" then
+ local condition, text = "undefined-condition";
+ for child in data:children() do
+ if child.attr.xmlns == xmlns_xmpp_streams then
+ if child.name ~= "text" then
+ condition = child.name;
+ else
+ text = child:get_text();
+ end
+ if condition ~= "undefined-condition" and text then
+ break;
+ end
+ end
+ end
+ text = condition .. (text and (" ("..text..")") or "");
+ session.log("info", "Session closed by remote with error: %s", text);
+ session:close(nil, text);
end
end
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)
local ok, err = parser:parse(data);
if ok then return; end
+ (session.log or log)("warn", "Received invalid XML: %s", data);
+ (session.log or log)("warn", "Problem was: %s", err);
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 default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
+local function session_close(session, reason, remote_reason)
local log = session.log or log;
if session.conn then
+ if session.notopen then
+ session.sends2s("<?xml version='1.0'?>");
+ session.sends2s(st.stanza("stream:stream", default_stream_attr):top_tag());
+ end
if reason then
if type(reason) == "string" then -- assume stream error
log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, reason);
end
end
session.sends2s("</stream:stream>");
- session.conn.close();
- xmppserver.disconnect(session.conn, "stream error");
+ if session.notopen or not session.conn:close() then
+ session.conn:close(true); -- Force FIXME: timer?
+ end
+ session.conn:close();
+ xmppserver.ondisconnect(session.conn, remote_reason or (reason and (reason.text or reason.condition)) or reason or "stream closed");
end
end
-- End of session methods --
-function xmppserver.listener(conn, data)
+function xmppserver.onincoming(conn, data)
local session = sessions[conn];
if not session then
session = s2s_new_incoming(conn);
end
end
-function xmppserver.disconnect(conn, err)
+function xmppserver.onstatus(conn, status)
+ if status == "ssl-handshake-complete" then
+ local session = sessions[conn];
+ if session and session.direction == "outgoing" then
+ local format, to_host, from_host = string.format, session.to_host, session.from_host;
+ session.log("debug", "Sending stream header...");
+ session.sends2s(format([[<stream:stream xmlns='jabber:server' xmlns:db='jabber:server:dialback' xmlns:stream='http://etherx.jabber.org/streams' from='%s' to='%s' version='1.0'>]], from_host, to_host));
+ end
+ end
+end
+
+function xmppserver.ondisconnect(conn, err)
local session = sessions[conn];
if session then
if err and err ~= "closed" and session.srv_hosts then
- (session.log or log)("debug", "s2s connection closed unexpectedly");
+ (session.log or log)("debug", "s2s connection attempt failed: %s", err);
if s2s_attempt_connect(session, err) then
- (session.log or log)("debug", "...so we're going to try again");
+ (session.log or log)("debug", "...so we're going to try another target");
return; -- Session lives for now
end
end
- (session.log or log)("info", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err));
- s2s_destroy_session(session);
+ (session.log or log)("info", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err or "closed"));
+ s2s_destroy_session(session, err);
sessions[conn] = nil;
session = nil;
- collectgarbage("collect");
end
end