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-rw-r--r--core/modulemanager.lua2
-rw-r--r--net/http.lua1
-rw-r--r--net/httpserver.lua3
-rw-r--r--net/xmppcomponent_listener.lua171
-rw-r--r--plugins/mod_bosh.lua7
-rw-r--r--plugins/mod_component.lua158
-rwxr-xr-xprosody1
-rw-r--r--util/multitable.lua4
-rw-r--r--util/serialization.lua4
9 files changed, 190 insertions, 161 deletions
diff --git a/core/modulemanager.lua b/core/modulemanager.lua
index 2cba50ac..6dbc8c53 100644
--- a/core/modulemanager.lua
+++ b/core/modulemanager.lua
@@ -28,7 +28,7 @@ local type = type;
local next = next;
local rawget = rawget;
-local tostring, print = tostring, print;
+local tostring = tostring;
-- We need this to let modules access the real global namespace
local _G = _G;
diff --git a/net/http.lua b/net/http.lua
index 24828ffe..b39cc6fb 100644
--- a/net/http.lua
+++ b/net/http.lua
@@ -15,7 +15,6 @@ local tonumber, tostring, pairs, xpcall, select, debug_traceback, char =
local log = require "util.logger".init("http");
local print = function () end
-local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });
local urlencode = function (s) return s and (s:gsub("%W", function (c) return string.format("%%%02x", c:byte()); end)); end
module "http"
diff --git a/net/httpserver.lua b/net/httpserver.lua
index 0ecf84ea..12328b29 100644
--- a/net/httpserver.lua
+++ b/net/httpserver.lua
@@ -8,10 +8,9 @@ local connlisteners_get = require "net.connlisteners".get;
local listener;
local t_insert, t_concat = table.insert, table.concat;
-local s_match, s_gmatch, s_char = string.match, string.gmatch;
+local s_match, s_gmatch = string.match, string.gmatch;
local tonumber, tostring, pairs = tonumber, tostring, pairs;
-local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = s_char(tonumber("0x"..k)); return t[k]; end });
local urlencode = function (s) return s and (s:gsub("%W", function (c) return string.format("%%%x", c:byte()); end)); end
local log = require "util.logger".init("httpserver");
diff --git a/net/xmppcomponent_listener.lua b/net/xmppcomponent_listener.lua
new file mode 100644
index 00000000..03675e19
--- /dev/null
+++ b/net/xmppcomponent_listener.lua
@@ -0,0 +1,171 @@
+-- Prosody IM v0.4
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
+local hosts = _G.hosts;
+
+local t_concat = table.concat;
+
+local lxp = require "lxp";
+local logger = require "util.logger";
+local config = require "core.configmanager";
+local eventmanager = require "core.eventmanager";
+local connlisteners = require "net.connlisteners";
+local cm_register_component = require "core.componentmanager".register_component;
+local cm_deregister_component = require "core.componentmanager".deregister_component;
+local uuid_gen = require "util.uuid".generate;
+local sha1 = require "util.hashes".sha1;
+local st = require "util.stanza";
+local init_xmlhandlers = require "core.xmlhandlers";
+
+local sessions = {};
+
+local log = logger.init("componentlistener");
+
+local component_listener = { default_port = 5347; default_mode = "*a"; default_interface = config.get("*", "core", "component_interface") or "127.0.0.1" };
+
+local xmlns_component = 'jabber:component:accept';
+
+--- Callbacks/data for xmlhandlers to handle streams for us ---
+
+local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream", default_ns = xmlns_component };
+
+function stream_callbacks.error(session, error, data, data2)
+ 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);
+ 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");
+ end
+end
+
+function stream_callbacks.streamopened(session, attr)
+ if config.get(attr.to, "core", "component_module") ~= "component" then
+ -- Trying to act as a component domain which
+ -- hasn't been configured
+ session:close{ condition = "host-unknown", text = tostring(attr.to).." does not match any configured external components" };
+ return;
+ end
+
+ -- Store the original host (this is used for config, etc.)
+ session.user = attr.to;
+ -- Set the host for future reference
+ session.host = config.get(attr.to, "core", "component_address") or attr.to;
+ -- Note that we don't create the internal component
+ -- until after the external component auths successfully
+
+ session.streamid = uuid_gen();
+ session.notopen = nil;
+
+ session.send(st.stanza("stream:stream", { xmlns=xmlns_component,
+ ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.host }):top_tag());
+
+end
+
+function stream_callbacks.streamclosed(session)
+ session.send("</stream:stream>");
+ session.notopen = true;
+end
+
+local core_process_stanza = core_process_stanza;
+
+function stream_callbacks.handlestanza(session, stanza)
+ -- Namespaces are icky.
+ if not stanza.attr.xmlns and stanza.name == "handshake" then
+ stanza.attr.xmlns = xmlns_component;
+ end
+ return core_process_stanza(session, stanza);
+end
+
+--- Closing a component connection
+local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
+local function session_close(session, reason)
+ local log = session.log or log;
+ if session.conn then
+ if reason then
+ if type(reason) == "string" then -- assume stream error
+ log("info", "Disconnecting component, <stream:error> is: %s", reason);
+ session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }));
+ elseif type(reason) == "table" then
+ if reason.condition then
+ local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up();
+ if reason.text then
+ stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
+ end
+ if reason.extra then
+ stanza:add_child(reason.extra);
+ end
+ log("info", "Disconnecting component, <stream:error> is: %s", tostring(stanza));
+ session.send(stanza);
+ elseif reason.name then -- a stanza
+ log("info", "Disconnecting component, <stream:error> is: %s", tostring(reason));
+ session.send(reason);
+ end
+ end
+ end
+ session.send("</stream:stream>");
+ session.conn.close();
+ component_listener.disconnect(session.conn, "stream error");
+ end
+end
+
+--- Component connlistener
+function component_listener.listener(conn, data)
+ local session = sessions[conn];
+ if not session then
+ local _send = conn.write;
+ session = { type = "component", conn = conn, send = function (data) return _send(tostring(data)); end };
+ sessions[conn] = session;
+
+ -- Logging functions --
+
+ local conn_name = "jcp"..tostring(conn):match("[a-f0-9]+$");
+ session.log = logger.init(conn_name);
+ session.close = session_close;
+
+ session.log("info", "Incoming Jabber component connection");
+
+ local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|");
+ session.parser = parser;
+
+ session.notopen = true;
+
+ function session.data(conn, data)
+ local ok, err = parser:parse(data);
+ if ok then return; end
+ session:close("xml-not-well-formed");
+ end
+
+ session.dispatch_stanza = stream_callbacks.handlestanza;
+
+ end
+ if data then
+ session.data(conn, data);
+ end
+end
+
+function component_listener.disconnect(conn, err)
+ local session = sessions[conn];
+ if session then
+ (session.log or log)("info", "component disconnected: %s (%s)", tostring(session.host), tostring(err));
+ if session.host then
+ log("debug", "Deregistering component");
+ cm_deregister_component(session.host);
+ hosts[session.host].connected = nil;
+ end
+ sessions[conn] = nil;
+ session = nil;
+ collectgarbage("collect");
+ end
+end
+
+connlisteners.register('xmppcomponent', component_listener);
diff --git a/plugins/mod_bosh.lua b/plugins/mod_bosh.lua
index 653af8bb..46e9a95f 100644
--- a/plugins/mod_bosh.lua
+++ b/plugins/mod_bosh.lua
@@ -12,7 +12,8 @@ local new_uuid = require "util.uuid".generate;
local fire_event = require "core.eventmanager".fire_event;
local core_process_stanza = core_process_stanza;
local st = require "util.stanza";
-local log = require "util.logger".init("bosh");
+local logger = require "util.logger";
+local log = logger.init("mod_bosh");
local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind|body" };
local config = require "core.configmanager";
local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
@@ -137,8 +138,10 @@ function stream_callbacks.streamopened(request, attr)
sid = new_uuid();
local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = attr.rid, host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid,
bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY,
- requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream, dispatch_stanza = core_process_stanza };
+ requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream,
+ dispatch_stanza = core_process_stanza, log = logger.init("bosh"..sid) };
sessions[sid] = session;
+
log("info", "New BOSH session, assigned it sid '%s'", sid);
local r, send_buffer = session.requests, session.send_buffer;
local response = { headers = default_headers }
diff --git a/plugins/mod_component.lua b/plugins/mod_component.lua
index e5ea47a2..fa2c166f 100644
--- a/plugins/mod_component.lua
+++ b/plugins/mod_component.lua
@@ -33,74 +33,18 @@ local component_listener = { default_port = 5347; default_mode = "*a"; default_i
local xmlns_component = 'jabber:component:accept';
---- Callbacks/data for xmlhandlers to handle streams for us ---
-
-local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream", default_ns = xmlns_component };
-
-function stream_callbacks.error(session, error, data, data2)
- 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("debug", "Unexpected close of '%s' tag", data2);
- session:close("xml-not-well-formed");
- else
- session.log("debug", "External component %s XML parse error: %s", tostring(session.host), tostring(error));
- print(data, debug.traceback())
- session:close("xml-not-well-formed");
- end
-end
-
-function stream_callbacks.streamopened(session, attr)
- if config.get(attr.to, "core", "component_module") ~= "component" then
- -- Trying to act as a component domain which
- -- hasn't been configured
- session:close{ condition = "host-unknown", text = tostring(attr.to).." does not match any configured external components" };
- return;
- end
-
- -- Store the original host (this is used for config, etc.)
- session.user = attr.to;
- -- Set the host for future reference
- session.host = config.get(attr.to, "core", "component_address") or attr.to;
- -- Note that we don't create the internal component
- -- until after the external component auths successfully
-
- session.streamid = uuid_gen();
- session.notopen = nil;
-
- session.send(st.stanza("stream:stream", { xmlns=xmlns_component,
- ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.host }):top_tag());
-
-end
-
-function stream_callbacks.streamclosed(session)
- session.send("</stream:stream>");
- session.notopen = true;
-end
-
-local core_process_stanza = core_process_stanza;
-
-function stream_callbacks.handlestanza(session, stanza)
- -- Namespaces are icky.
- log("warn", "Handing stanza with name %s", stanza.name);
- if stanza.name ~= "handshake" then
- return core_process_stanza(session, stanza);
- else
- handle_component_auth(session, stanza);
- end
-end
-
--- Handle authentication attempts by components
function handle_component_auth(session, stanza)
+ log("info", "Handling component auth");
if (not session.host) or #stanza.tags > 0 then
+ (session.log or log)("warn", "Component handshake invalid");
session:close("not-authorized");
return;
end
local secret = config.get(session.user, "core", "component_secret");
if not secret then
- log("warn", "Component attempted to identify as %s, but component_password is not set", session.user);
+ (session.log or log)("warn", "Component attempted to identify as %s, but component_password is not set", session.user);
session:close("not-authorized");
return;
end
@@ -108,18 +52,21 @@ function handle_component_auth(session, stanza)
local supplied_token = t_concat(stanza);
local calculated_token = sha1(session.streamid..secret, true);
if supplied_token:lower() ~= calculated_token:lower() then
+ log("info", "Component for %s authentication failed", session.host);
session:close{ condition = "not-authorized", text = "Given token does not match calculated token" };
return;
end
-- Authenticated now
+ log("info", "Component authenticated: %s", session.host);
-- If component not already created for this host, create one now
if not hosts[session.host].connected then
local send = session.send;
session.component_session = cm_register_component(session.host, function (_, data) return send(data); end);
hosts[session.host].connected = true;
+ log("info", "Component successfully registered");
else
log("error", "Multiple components bound to the same address, first one wins (TODO: Implement stanza distribution)");
end
@@ -129,96 +76,3 @@ function handle_component_auth(session, stanza)
end
module:add_handler("component", "handshake", xmlns_component, handle_component_auth);
-
---- Closing a component connection
-local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
-local function session_close(session, reason)
- local log = session.log or log;
- if session.conn then
- if reason then
- if type(reason) == "string" then -- assume stream error
- log("info", "Disconnecting component, <stream:error> is: %s", reason);
- session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }));
- elseif type(reason) == "table" then
- if reason.condition then
- local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up();
- if reason.text then
- stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
- end
- if reason.extra then
- stanza:add_child(reason.extra);
- end
- log("info", "Disconnecting component, <stream:error> is: %s", tostring(stanza));
- session.send(stanza);
- elseif reason.name then -- a stanza
- log("info", "Disconnecting component, <stream:error> is: %s", tostring(reason));
- session.send(reason);
- end
- end
- end
- session.send("</stream:stream>");
- session.conn.close();
- component_listener.disconnect(session.conn, "stream error");
- end
-end
-
---- Component connlistener
-function component_listener.listener(conn, data)
- local session = sessions[conn];
- if not session then
- local _send = conn.write;
- session = { type = "component", conn = conn, send = function (data) return _send(tostring(data)); end };
- sessions[conn] = session;
-
- -- Logging functions --
-
- local conn_name = "xep114-"..tostring(conn):match("[a-f0-9]+$");
- session.log = logger.init(conn_name);
- session.close = session_close;
-
- session.log("info", "Incoming XEP-0114 connection");
-
- local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|");
- session.parser = parser;
-
- session.notopen = true;
-
- function session.data(conn, data)
- local ok, err = parser:parse(data);
- if ok then return; end
- session:close("xml-not-well-formed");
- end
-
- session.dispatch_stanza = stream_callbacks.handlestanza;
-
- end
- if data then
- session.data(conn, data);
- end
-end
-
-function component_listener.disconnect(conn, err)
- local session = sessions[conn];
- if session then
- (session.log or log)("info", "component disconnected: %s (%s)", tostring(session.host), tostring(err));
- if session.host then
- log("debug", "deregistering component");
- cm_deregister_component(session.host);
- hosts[session.host].connected = nil;
- end
- sessions[conn] = nil;
- session = nil;
- collectgarbage("collect");
- end
-end
-
-connlisteners.register('component', component_listener);
-
-module:add_event_hook("server-started",
- function ()
- if _G.net_activate_ports then
- _G.net_activate_ports("component", "component", {5437}, "tcp");
- else
- error("No net_activate_ports: Using an incompatible version of Prosody?");
- end
- end);
diff --git a/prosody b/prosody
index 8e85847f..8b6b8ae6 100755
--- a/prosody
+++ b/prosody
@@ -156,6 +156,7 @@ end
net_activate_ports("c2s", "xmppclient", {5222}, (global_ssl_ctx and "tls") or "tcp");
net_activate_ports("s2s", "xmppserver", {5269}, "tcp");
+net_activate_ports("component", "xmppcomponent", {}, "tcp");
net_activate_ports("legacy_ssl", "xmppclient", {}, "ssl");
if cl.get("console") then
diff --git a/util/multitable.lua b/util/multitable.lua
index c0bb2205..d1858d8f 100644
--- a/util/multitable.lua
+++ b/util/multitable.lua
@@ -56,7 +56,7 @@ local function r(t, n, _end, ...)
return;
end
if k then
- v = t[k];
+ local v = t[k];
if v then
r(v, n+1, _end, ...);
if not next(v) then
@@ -96,7 +96,7 @@ local function s(t, n, results, _end, ...)
return;
end
if k then
- v = t[k];
+ local v = t[k];
if v then
s(v, n+1, results, _end, ...);
end
diff --git a/util/serialization.lua b/util/serialization.lua
index bff0f306..41d963e9 100644
--- a/util/serialization.lua
+++ b/util/serialization.lua
@@ -14,6 +14,8 @@ local t_concat = table.concat;
local error = error;
local pairs = pairs;
+local debug_traceback = debug.traceback;
+local log = require "util.logger".init("serialization");
module "serialization"
local indent = function(i)
@@ -50,7 +52,7 @@ local function _simplesave(o, ind, t, func)
elseif type(o) == "boolean" then
func(t, (o and "true" or "false"));
else
- error("cannot serialize a " .. type(o))
+ log("warn", "cannot serialize a %s: %s", type(o), debug_traceback())
end
end