X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=net%2Fxmppserver_listener.lua;h=3af0b9626fc7dac2902a1df1af8952afed02dcad;hb=70281db08732799bcd1ff4dcc3ca51b1388f1375;hp=d1272edb117917270c8c02ef550d2a5d61da8f6f;hpb=416b600dd4475c7862070514895eb9314789d5e2;p=prosody.git diff --git a/net/xmppserver_listener.lua b/net/xmppserver_listener.lua index d1272edb..3af0b962 100644 --- a/net/xmppserver_listener.lua +++ b/net/xmppserver_listener.lua @@ -7,11 +7,17 @@ -- +local tostring = tostring; +local type = type; +local xpcall = xpcall; +local s_format = string.format; +local traceback = debug.traceback; local logger = require "logger"; local log = logger.init("xmppserver_listener"); -local lxp = require "lxp" -local init_xmlhandlers = require "core.xmlhandlers" +local st = require "util.stanza"; +local connlisteners_register = require "net.connlisteners".register; +local new_xmpp_stream = require "util.xmppstream".new; local s2s_new_incoming = require "core.s2smanager".new_incoming; local s2s_streamopened = require "core.s2smanager".streamopened; local s2s_streamclosed = require "core.s2smanager".streamclosed; @@ -27,7 +33,7 @@ function stream_callbacks.error(session, error, data) session:close("invalid-namespace"); elseif error == "parse-error" then session.log("debug", "Server-to-server XML parse error: %s", tostring(error)); - 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 @@ -48,48 +54,22 @@ function stream_callbacks.error(session, error, data) end end -local function handleerr(err) log("error", "Traceback[s2s]: %s: %s", tostring(err), debug.traceback()); end -function stream_callbacks.handlestanza(a, b) - if b.attr.xmlns == "jabber:client" then --COMPAT: Prosody pre-0.6.2 may send jabber:client - b.attr.xmlns = nil; +local function handleerr(err) log("error", "Traceback[s2s]: %s: %s", tostring(err), traceback()); end +function stream_callbacks.handlestanza(session, stanza) + if stanza.attr.xmlns == "jabber:client" then --COMPAT: Prosody pre-0.6.2 may send jabber:client + stanza.attr.xmlns = nil; + end + stanza = session.filter("stanzas/in", stanza); + if stanza then + return xpcall(function () return core_process_stanza(session, stanza) end, handleerr); end - xpcall(function () core_process_stanza(a, b) end, handleerr); end -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 st = require "util.stanza"; - local sessions = {}; local xmppserver = { default_port = 5269, 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 - (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 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) @@ -132,29 +112,55 @@ end -- End of session methods -- -function xmppserver.onincoming(conn, data) - local session = sessions[conn]; - if not session then - session = s2s_new_incoming(conn); - sessions[conn] = session; +local function initialize_session(session) + 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 + (session.log or log)("warn", "Received invalid XML: %s", data); + (session.log or log)("warn", "Problem was: %s", err); + session:close("not-well-formed"); + end + end - -- Logging functions -- + session.close = session_close; + local handlestanza = stream_callbacks.handlestanza; + function session.dispatch_stanza(session, stanza) + return handlestanza(session, stanza); + end +end - +function xmppserver.onconnect(conn) + if not sessions[conn] then -- May be an existing outgoing session + local session = s2s_new_incoming(conn); + sessions[conn] = session; + + -- Logging functions -- local conn_name = "s2sin"..tostring(conn):match("[a-f0-9]+$"); session.log = logger.init(conn_name); session.log("info", "Incoming s2s connection"); - session.reset_stream = session_reset_stream; - session.close = session_close; - - session_reset_stream(session); -- Initialise, ready for use - - session.dispatch_stanza = stream_callbacks.handlestanza; + initialize_session(session); end - if data then - session.data(conn, data); +end + +function xmppserver.onincoming(conn, data) + local session = sessions[conn]; + if session then + session.data(data); end end @@ -162,9 +168,9 @@ 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; + local to_host, from_host = session.to_host, session.from_host; session.log("debug", "Sending stream header..."); - session.sends2s(format([[]], from_host, to_host)); + session.sends2s(s_format([[]], from_host, to_host)); end end end @@ -190,12 +196,7 @@ function xmppserver.register_outgoing(conn, session) session.direction = "outgoing"; sessions[conn] = session; - session.reset_stream = session_reset_stream; - session.close = session_close; - session_reset_stream(session); -- Initialise, ready for use - - --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 + initialize_session(session); end connlisteners_register("xmppserver", xmppserver);