# HG changeset patch # User Matthew Wild # Date 1268623113 0 # Node ID 94299e640ed07ccdd9106032008a62b22533ab03 # Parent 887d3a0e1e4ea39e25a99cc2c8e64c50c173aec1# Parent 9384ee36fc03be15319a5331e32008366f192088 Merge with 0.7 (and indirectly 0.6.2) diff -r 887d3a0e1e4e -r 94299e640ed0 core/s2smanager.lua --- a/core/s2smanager.lua Fri Mar 05 18:35:23 2010 +0000 +++ b/core/s2smanager.lua Mon Mar 15 03:18:33 2010 +0000 @@ -16,8 +16,10 @@ local format = string.format; local t_insert, t_sort = table.insert, table.sort; local get_traceback = debug.traceback; -local tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber - = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber; +local tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, + setmetatable + = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, + setmetatable; local idna_to_ascii = require "util.encodings".idna.to_ascii; local connlisteners_get = require "net.connlisteners".get; @@ -432,11 +434,8 @@ end function streamclosed(session) - (session.log or log)("debug", ""); - if session.sends2s then - session.sends2s(""); - end - session.notopen = true; + (session.log or log)("debug", "Received "); + session:close(); end function initiate_dialback(session) @@ -510,9 +509,31 @@ end end -local function null_data_handler(conn, data) log("debug", "Discarding data from destroyed s2s session: %s", data); end +local resting_session = { -- Resting, not dead + destroyed = true; + open_stream = function (session) + session.log("debug", "Attempt to open stream on resting session"); + end; + close = function (session) + session.log("debug", "Attempt to close already-closed session"); + end; + }; resting_session.__index = resting_session; + +function retire_session(session) + local log = session.log or log; + for k in pairs(session) do + if k ~= "trace" and k ~= "log" and k ~= "id" then + session[k] = nil; + end + end + + function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end + function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end + return setmetatable(session, resting_session); +end function destroy_session(session, reason) + if session.destroyed then return; end (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); if session.direction == "outgoing" then @@ -522,12 +543,7 @@ incoming_s2s[session] = nil; end - for k in pairs(session) do - if k ~= "trace" then - session[k] = nil; - end - end - session.data = null_data_handler; + retire_session(session); -- Clean session until it is GC'd end return _M; diff -r 887d3a0e1e4e -r 94299e640ed0 core/sessionmanager.lua --- a/core/sessionmanager.lua Fri Mar 05 18:35:23 2010 +0000 +++ b/core/sessionmanager.lua Mon Mar 15 03:18:33 2010 +0000 @@ -8,7 +8,7 @@ -local tonumber, tostring = tonumber, tostring; +local tonumber, tostring, setmetatable = tonumber, tostring, setmetatable; local ipairs, pairs, print, next= ipairs, pairs, print, next; local format = import("string", "format"); @@ -66,10 +66,29 @@ return session; end -local function null_data_handler(conn, data) log("debug", "Discarding data from destroyed c2s session: %s", data); end +local resting_session = { -- Resting, not dead + destroyed = true; + close = function (session) + session.log("debug", "Attempt to close already-closed session"); + end; + }; resting_session.__index = resting_session; + +function retire_session(session) + local log = session.log or log; + for k in pairs(session) do + if k ~= "trace" and k ~= "log" and k ~= "id" then + session[k] = nil; + end + end + + function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end + function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end + return setmetatable(session, resting_session); +end function destroy_session(session, err) (session.log or log)("info", "Destroying session for %s (%s@%s)", session.full_jid or "(unknown)", session.username or "(unknown)", session.host or "(unknown)"); + if session.destroyed then return; end -- Remove session/resource from user's session list if session.full_jid then @@ -85,12 +104,7 @@ hosts[session.host].events.fire_event("resource-unbind", {session=session, error=err}); end - for k in pairs(session) do - if k ~= "trace" then - session[k] = nil; - end - end - session.data = null_data_handler; + retire_session(session); end function make_authenticated(session, username) @@ -168,7 +182,12 @@ function streamopened(session, attr) local send = session.send; - session.host = attr.to or error("Client failed to specify destination hostname"); + session.host = attr.to; + if not session.host then + session:close{ condition = "improper-addressing", + text = "A 'to' attribute is required on stream headers" }; + return; + end session.host = nameprep(session.host); session.version = tonumber(attr.version) or 0; session.streamid = uuid_generate(); @@ -201,8 +220,8 @@ end function streamclosed(session) - session.send(""); - session.notopen = true; + session.log("debug", "Received "); + session:close(); end function send_to_available_resources(user, host, stanza) diff -r 887d3a0e1e4e -r 94299e640ed0 net/xmppclient_listener.lua --- a/net/xmppclient_listener.lua Fri Mar 05 18:35:23 2010 +0000 +++ b/net/xmppclient_listener.lua Mon Mar 15 03:18:33 2010 +0000 @@ -33,13 +33,32 @@ local stream_callbacks = { default_ns = "jabber:client", streamopened = sm_streamopened, streamclosed = sm_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.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)); + elseif error == "parse-error" then + (session.log or log)("debug", "Client XML parse error: %s", tostring(data)); 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 diff -r 887d3a0e1e4e -r 94299e640ed0 net/xmppcomponent_listener.lua --- a/net/xmppcomponent_listener.lua Fri Mar 05 18:35:23 2010 +0000 +++ b/net/xmppcomponent_listener.lua Mon Mar 15 03:18:33 2010 +0000 @@ -34,16 +34,33 @@ local stream_callbacks = { default_ns = xmlns_component }; +local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams"; + function stream_callbacks.error(session, error, data, data2) + if session.destroyed then return; end log("warn", "Error processing component stream: "..tostring(error)); if error == "no-stream" then session:close("invalid-namespace"); - elseif error == "xml-parse-error" and data == "unexpected-element-close" then - session.log("warn", "Unexpected close of '%s' tag", data2); + elseif error == "parse-error" then + session.log("warn", "External component %s XML parse error: %s", tostring(session.host), tostring(data)); session:close("xml-not-well-formed"); - else - session.log("warn", "External component %s XML parse error: %s", tostring(session.host), 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 @@ -71,8 +88,8 @@ end function stream_callbacks.streamclosed(session) - session.send(""); - session.notopen = true; + session.log("Received "); + session:close(); end local core_process_stanza = core_process_stanza; @@ -89,6 +106,7 @@ 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) + if session.destroyed then return; end local log = session.log or log; if session.conn then if session.notopen then @@ -146,6 +164,7 @@ 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 @@ -167,7 +186,12 @@ hosts[session.host].connected = nil; end sessions[conn] = nil; - for k in pairs(session) do session[k] = nil; end + for k in pairs(session) do + if k ~= "log" and k ~= "close" then + session[k] = nil; + end + end + session.destroyed = true; session = nil; end end diff -r 887d3a0e1e4e -r 94299e640ed0 net/xmppserver_listener.lua --- a/net/xmppserver_listener.lua Fri Mar 05 18:35:23 2010 +0000 +++ b/net/xmppserver_listener.lua Mon Mar 15 03:18:33 2010 +0000 @@ -176,7 +176,7 @@ 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)); + (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;