net.dns: Support for resolving AAAA records

[prosody.git] / net / xmppclient_listener.lua

diff --git a/net/xmppclient_listener.lua b/net/xmppclient_listener.lua
index 94daa2b2f7c95f8f846cf451da31ebe85620288a..4cc90cbf5a8a767963012c7957f236ddc8daaf83 100644 (file)
--- a/net/xmppclient_listener.lua
+++ b/net/xmppclient_listener.lua
@@ -10,22 +10,19 @@
 
 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 new_xmpp_stream = require "util.xmppstream".new;
 
 local connlisteners_register = require "net.connlisteners".register;
 
-local t_insert = table.insert;
-local t_concat = table.concat;
-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 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 = require "util.stanza";
+local xpcall = xpcall;
+local tostring = tostring;
+local type = type;
+local traceback = debug.traceback;
 
 local config = require "core.configmanager";
 local opt_keepalives = config.get("*", "core", "tcp_keepalives");
@@ -41,7 +38,7 @@ function stream_callbacks.error(session, error, data)
                session:close("invalid-namespace");
        elseif error == "parse-error" then
                (session.log or log)("debug", "Client XML parse error: %s", tostring(data));
-               session:close("xml-not-well-formed");
+               session:close("not-well-formed");
        elseif error == "stream-error" then
                local condition, text = "undefined-condition";
                for child in data:children() do
@@ -62,9 +59,12 @@ function stream_callbacks.error(session, error, data)
        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);
+local function handleerr(err) log("error", "Traceback[c2s]: %s: %s", tostring(err), traceback()); end
+function stream_callbacks.handlestanza(session, stanza)
+       stanza = session.filter("stanzas/in", stanza);
+       if stanza then
+               return xpcall(function () return core_process_stanza(session, stanza) end, handleerr);
+       end
 end
 
 local sessions = {};
@@ -72,23 +72,6 @@ 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, 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
-                       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"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
 local function session_close(session, reason)
@@ -128,32 +111,54 @@ end
 
 -- End of session methods --
 
-function xmppclient.onincoming(conn, data)
-       local session = sessions[conn];
-       if not session then
-               session = sm_new_session(conn);
-               sessions[conn] = session;
-
-               session.log("info", "Client connected");
-               
-               -- Client is using legacy SSL (otherwise mod_tls sets this flag)
-               if conn:ssl() then
-                       session.secure = true;
-               end
-               
-               if opt_keepalives ~= nil then
-                       conn:setoption("keepalive", opt_keepalives);
+function xmppclient.onconnect(conn)
+       local session = sm_new_session(conn);
+       sessions[conn] = session;
+       
+       session.log("info", "Client connected");
+       
+       -- Client is using legacy SSL (otherwise mod_tls sets this flag)
+       if conn:ssl() then
+               session.secure = true;
+       end
+       
+       if opt_keepalives ~= nil then
+               conn:setoption("keepalive", opt_keepalives);
+       end
+       
+       session.close = session_close;
+       
+       local stream = new_xmpp_stream(session, stream_callbacks);
+       session.stream = stream;
+       
+       session.notopen = true;
+       
+       function session.reset_stream()
+               session.notopen = true;
+               session.stream:reset();
+       end
+       
+       local filter = session.filter;
+       function session.data(data)
+               data = filter("bytes/in", data);
+               if data then
+                       local ok, err = stream:feed(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("not-well-formed");
                end
-               
-               session.reset_stream = session_reset_stream;
-               session.close = session_close;
-               
-               session_reset_stream(session); -- Initialise, ready for use
-               
-               session.dispatch_stanza = stream_callbacks.handlestanza;
        end
-       if data then
-               session.data(conn, data);
+       
+       local handlestanza = stream_callbacks.handlestanza;
+       function session.dispatch_stanza(session, stanza)
+               return handlestanza(session, stanza);
+       end
+end
+
+function xmppclient.onincoming(conn, data)
+       local session = sessions[conn];
+       if session then
+               session.data(data);
        end
 end
        
@@ -167,4 +172,8 @@ function xmppclient.ondisconnect(conn, err)
        end
 end
 
+function xmppclient.associate_session(conn, session)
+       sessions[conn] = session;
+end
+
 connlisteners_register("xmppclient", xmppclient);