X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_component.lua;h=3eaacb8eaf123994cea5237db7163c11b51cf5a4;hb=58d634df879edfff9ca94a56567736e67ecbad0e;hp=6270b40352b2dc69725d81fc3609932b3ab3d8f5;hpb=6fa453d785f470b652fd316df795d26e4a1b4694;p=prosody.git diff --git a/plugins/mod_component.lua b/plugins/mod_component.lua index 6270b403..3eaacb8e 100644 --- a/plugins/mod_component.lua +++ b/plugins/mod_component.lua @@ -1,7 +1,7 @@ -- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain --- +-- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- @@ -9,6 +9,8 @@ module:set_global(); local t_concat = table.concat; +local xpcall, tostring, type = xpcall, tostring, type; +local traceback = debug.traceback; local logger = require "util.logger"; local sha1 = require "util.hashes".sha1; @@ -19,7 +21,7 @@ local new_xmpp_stream = require "util.xmppstream".new; local uuid_gen = require "util.uuid".generate; local core_process_stanza = prosody.core_process_stanza; - +local hosts = prosody.hosts; local log = module._log; @@ -29,7 +31,7 @@ function module.add_host(module) if module:get_host_type() ~= "component" then error("Don't load mod_component manually, it should be for a component, please see http://prosody.im/doc/components", 0); end - + local env = module.environment; env.connected = false; @@ -40,26 +42,26 @@ function module.add_host(module) send = nil; session.on_destroy = nil; end - + -- Handle authentication attempts by component local function handle_component_auth(event) local session, stanza = event.origin, event.stanza; - + if session.type ~= "component_unauthed" then return; end - + if (not session.host) or #stanza.tags > 0 then (session.log or log)("warn", "Invalid component handshake for host: %s", session.host); session:close("not-authorized"); return true; end - + local secret = module:get_option("component_secret"); if not secret then (session.log or log)("warn", "Component attempted to identify as %s, but component_secret is not set", session.host); session:close("not-authorized"); return true; end - + local supplied_token = t_concat(stanza); local calculated_token = sha1(session.streamid..secret, true); if supplied_token:lower() ~= calculated_token:lower() then @@ -67,13 +69,13 @@ function module.add_host(module) session:close{ condition = "not-authorized", text = "Given token does not match calculated token" }; return true; end - + if env.connected then module:log("error", "Second component attempted to connect, denying connection"); session:close{ condition = "conflict", text = "Component already connected" }; return true; end - + env.connected = true; send = session.send; session.on_destroy = on_destroy; @@ -81,7 +83,7 @@ function module.add_host(module) session.type = "component"; module:log("info", "External component successfully authenticated"); session.send(st.stanza("handshake")); - + return true; end module:hook("stanza/jabber:component:accept:handshake", handle_component_auth); @@ -112,7 +114,7 @@ function module.add_host(module) end return true; end - + module:hook("iq/bare", handle_stanza, -1); module:hook("message/bare", handle_stanza, -1); module:hook("presence/bare", handle_stanza, -1); @@ -183,6 +185,7 @@ function stream_callbacks.streamclosed(session) session:close(); end +local function handleerr(err) log("error", "Traceback[component]: %s", traceback(tostring(err), 2)); end function stream_callbacks.handlestanza(session, stanza) -- Namespaces are icky. if not stanza.attr.xmlns and stanza.name == "handshake" then @@ -213,7 +216,10 @@ function stream_callbacks.handlestanza(session, stanza) return; end end - return core_process_stanza(session, stanza); + + if stanza then + return xpcall(function () return core_process_stanza(session, stanza) end, handleerr); + end end --- Closing a component connection @@ -260,17 +266,17 @@ function listener.onconnect(conn) local session = { type = "component_unauthed", conn = conn, send = function (data) return _send(conn, tostring(data)); end }; -- Logging functions -- - local conn_name = "jcp"..tostring(conn):match("[a-f0-9]+$"); + local conn_name = "jcp"..tostring(session):match("[a-f0-9]+$"); session.log = logger.init(conn_name); session.close = session_close; - + session.log("info", "Incoming Jabber component connection"); - + local stream = new_xmpp_stream(session, stream_callbacks); session.stream = stream; - + session.notopen = true; - + function session.reset_stream() session.notopen = true; session.stream:reset(); @@ -282,7 +288,7 @@ function listener.onconnect(conn) module: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.dispatch_stanza = stream_callbacks.handlestanza; sessions[conn] = session; @@ -309,9 +315,10 @@ end module:provides("net", { name = "component"; + private = true; listener = listener; default_port = 5347; multiplex = { - pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:component%1.*>"; + pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:component:accept%1.*>"; }; });