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-rw-r--r--plugins/adhoc/adhoc.lib.lua11
-rw-r--r--plugins/mod_admin_adhoc.lua4
-rw-r--r--plugins/mod_admin_telnet.lua103
-rw-r--r--plugins/mod_auth_internal_hashed.lua2
-rw-r--r--plugins/mod_auth_internal_plain.lua2
-rw-r--r--plugins/mod_bosh.lua2
-rw-r--r--plugins/mod_c2s.lua242
-rw-r--r--plugins/mod_component.lua333
-rw-r--r--plugins/mod_dialback.lua37
-rw-r--r--plugins/mod_http.lua98
-rw-r--r--plugins/mod_http_files.lua86
-rw-r--r--plugins/mod_httpserver.lua97
-rw-r--r--plugins/mod_motd.lua21
-rw-r--r--plugins/mod_net_multiplex.lua70
-rw-r--r--plugins/mod_posix.lua2
-rw-r--r--plugins/mod_proxy65.lua184
-rw-r--r--plugins/s2s/mod_s2s.lua477
-rw-r--r--plugins/s2s/s2sout.lib.lua346
18 files changed, 1811 insertions, 306 deletions
diff --git a/plugins/adhoc/adhoc.lib.lua b/plugins/adhoc/adhoc.lib.lua
index 0cb4efe1..57059b3f 100644
--- a/plugins/adhoc/adhoc.lib.lua
+++ b/plugins/adhoc/adhoc.lib.lua
@@ -25,6 +25,7 @@ function _M.new(name, node, handler, permission)
end
function _M.handle_cmd(command, origin, stanza)
+ local cmdtag, actions;
local sessionid = stanza.tags[1].attr.sessionid or uuid.generate();
local dataIn = {};
dataIn.to = stanza.attr.to;
@@ -58,7 +59,7 @@ function _M.handle_cmd(command, origin, stanza)
elseif name == "error" then
cmdtag:tag("note", {type="error"}):text(content.message):up();
elseif name =="actions" then
- local actions = st.stanza("actions");
+ actions = st.stanza("actions");
for _, action in ipairs(content) do
if (action == "prev") or (action == "next") or (action == "complete") then
actions:tag(action):up();
@@ -67,7 +68,6 @@ function _M.handle_cmd(command, origin, stanza)
'" at node "'..command.node..'" provided an invalid action "'..action..'"');
end
end
- cmdtag:add_child(actions);
elseif name == "form" then
cmdtag:add_child((content.layout or content):form(content.values));
elseif name == "result" then
@@ -76,6 +76,13 @@ function _M.handle_cmd(command, origin, stanza)
cmdtag:add_child(content);
end
end
+
+ if not actions then
+ actions = st.stanza("actions");
+ actions:tag("complete"):up();
+ end
+ cmdtag:add_child(actions);
+
stanza:add_child(cmdtag);
origin.send(stanza);
diff --git a/plugins/mod_admin_adhoc.lua b/plugins/mod_admin_adhoc.lua
index d78c1aee..6f1357a9 100644
--- a/plugins/mod_admin_adhoc.lua
+++ b/plugins/mod_admin_adhoc.lua
@@ -10,7 +10,8 @@ local prosody = _G.prosody;
local hosts = prosody.hosts;
local t_concat = table.concat;
-require "util.iterators";
+local iterators = require "util.iterators";
+local keys, values = iterators.keys, iterators.values;
local usermanager_user_exists = require "core.usermanager".user_exists;
local usermanager_create_user = require "core.usermanager".create_user;
local usermanager_get_password = require "core.usermanager".get_password;
@@ -23,6 +24,7 @@ local dataforms_new = require "util.dataforms".new;
local array = require "util.array";
local modulemanager = require "modulemanager";
+module:depends"adhoc";
local adhoc_new = module:require "adhoc".new;
function add_user_command_handler(self, data, state)
diff --git a/plugins/mod_admin_telnet.lua b/plugins/mod_admin_telnet.lua
index 0dfdc827..202170ba 100644
--- a/plugins/mod_admin_telnet.lua
+++ b/plugins/mod_admin_telnet.lua
@@ -6,27 +6,25 @@
-- COPYING file in the source package for more information.
--
-module.host = "*";
+module:set_global();
local _G = _G;
local prosody = _G.prosody;
local hosts = prosody.hosts;
-local connlisteners_register = require "net.connlisteners".register;
-local console_listener = { default_port = 5582; default_mode = "*l"; default_interface = "127.0.0.1" };
+local console_listener = { default_port = 5582; default_mode = "*l"; interface = "127.0.0.1" };
-require "util.iterators";
+local iterators = require "util.iterators";
+local keys, values = iterators.keys, iterators.values;
local jid_bare = require "util.jid".bare;
local set, array = require "util.set", require "util.array";
local cert_verify_identity = require "util.x509".verify_identity;
-local commands = {};
-local def_env = {};
+local commands = module:shared("commands")
+local def_env = module:shared("env");
local default_env_mt = { __index = def_env };
-prosody.console = { commands = commands, env = def_env };
-
local function redirect_output(_G, session)
local env = setmetatable({ print = session.print }, { __index = function (t, k) return rawget(_G, k); end });
env.dofile = function(name)
@@ -149,8 +147,6 @@ function console_listener.ondisconnect(conn, err)
end
end
-connlisteners_register('console', console_listener);
-
-- Console commands --
-- These are simple commands, not valid standalone in Lua
@@ -281,8 +277,12 @@ local function get_hosts_set(hosts, module)
return set.new { hosts };
elseif hosts == nil then
local mm = require "modulemanager";
- return set.new(array.collect(keys(prosody.hosts)))
+ local hosts_set = set.new(array.collect(keys(prosody.hosts)))
/ function (host) return prosody.hosts[host].type == "local" or module and mm.is_loaded(host, module); end;
+ if module and mm.get_module("*", module) then
+ hosts_set:add("*");
+ end
+ return hosts_set;
end
end
@@ -292,16 +292,22 @@ function def_env.module:load(name, hosts, config)
hosts = get_hosts_set(hosts);
-- Load the module for each host
- local ok, err, count = true, nil, 0;
+ local ok, err, count, mod = true, nil, 0, nil;
for host in hosts do
if (not mm.is_loaded(host, name)) then
- ok, err = mm.load(host, name, config);
- if not ok then
+ mod, err = mm.load(host, name, config);
+ if not mod then
ok = false;
+ if err == "global-module-already-loaded" then
+ if count > 0 then
+ ok, err, count = true, nil, 1;
+ end
+ break;
+ end
self.session.print(err or "Unknown error loading module");
else
count = count + 1;
- self.session.print("Loaded for "..host);
+ self.session.print("Loaded for "..mod.module.host);
end
end
end
@@ -334,11 +340,15 @@ end
function def_env.module:reload(name, hosts)
local mm = require "modulemanager";
- hosts = get_hosts_set(hosts, name);
-
+ hosts = array.collect(get_hosts_set(hosts, name)):sort(function (a, b)
+ if a == "*" then return true
+ elseif b == "*" then return false
+ else return a < b; end
+ end);
+
-- Reload the module for each host
local ok, err, count = true, nil, 0;
- for host in hosts do
+ for _, host in ipairs(hosts) do
if mm.is_loaded(host, name) then
ok, err = mm.reload(host, name);
if not ok then
@@ -359,6 +369,7 @@ end
function def_env.module:list(hosts)
if hosts == nil then
hosts = array.collect(keys(prosody.hosts));
+ table.insert(hosts, 1, "*");
end
if type(hosts) == "string" then
hosts = { hosts };
@@ -369,8 +380,8 @@ function def_env.module:list(hosts)
local print = self.session.print;
for _, host in ipairs(hosts) do
- print(host..":");
- local modules = array.collect(keys(prosody.hosts[host] and prosody.hosts[host].modules or {})):sort();
+ print((host == "*" and "Global" or host)..":");
+ local modules = array.collect(keys(modulemanager.get_modules(host) or {})):sort();
if #modules == 0 then
if prosody.hosts[host] then
print(" No modules loaded");
@@ -766,6 +777,51 @@ function def_env.host:list()
return true, i.." hosts";
end
+def_env.port = {};
+
+function def_env.port:list()
+ local print = self.session.print;
+ local services = portmanager.get_active_services().data;
+ local ordered_services, n_ports = {}, 0;
+ for service, interfaces in pairs(services) do
+ table.insert(ordered_services, service);
+ end
+ table.sort(ordered_services);
+ for _, service in ipairs(ordered_services) do
+ local ports_list = {};
+ for interface, ports in pairs(services[service]) do
+ for port in pairs(ports) do
+ table.insert(ports_list, "["..interface.."]:"..port);
+ end
+ end
+ n_ports = n_ports + #ports_list;
+ print(service..": "..table.concat(ports_list, ", "));
+ end
+ return true, #ordered_services.." services listening on "..n_ports.." ports";
+end
+
+function def_env.port:close(close_port, close_interface)
+ close_port = assert(tonumber(close_port), "Invalid port number");
+ local n_closed = 0;
+ local services = portmanager.get_active_services().data;
+ for service, interfaces in pairs(services) do
+ for interface, ports in pairs(interfaces) do
+ if not close_interface or close_interface == interface then
+ if ports[close_port] then
+ self.session.print("Closing ["..interface.."]:"..close_port.."...");
+ local ok, err = portmanager.close(interface, close_port)
+ if not ok then
+ self.session.print("Failed to close "..interface.." "..port..": "..err);
+ else
+ n_closed = n_closed + 1;
+ end
+ end
+ end
+ end
+ end
+ return true, "Closed "..n_closed.." ports";
+end
+
-------------
function printbanner(session)
@@ -796,4 +852,9 @@ if option and option ~= "short" and option ~= "full" and option ~= "graphic" the
end
end
-prosody.net_activate_ports("console", "console", {5582}, "tcp");
+module:add_item("net-provider", {
+ name = "console";
+ listener = console_listener;
+ default_port = 5582;
+ private = true;
+});
diff --git a/plugins/mod_auth_internal_hashed.lua b/plugins/mod_auth_internal_hashed.lua
index ee810426..399044ad 100644
--- a/plugins/mod_auth_internal_hashed.lua
+++ b/plugins/mod_auth_internal_hashed.lua
@@ -54,7 +54,7 @@ local iteration_count = 4096;
function new_hashpass_provider(host)
local provider = { name = "internal_hashed" };
- log("debug", "initializing hashpass authentication provider for host '%s'", host);
+ log("debug", "initializing internal_hashed authentication provider for host '%s'", host);
function provider.test_password(username, password)
local credentials = datamanager.load(username, host, "accounts") or {};
diff --git a/plugins/mod_auth_internal_plain.lua b/plugins/mod_auth_internal_plain.lua
index 784553ea..93b50351 100644
--- a/plugins/mod_auth_internal_plain.lua
+++ b/plugins/mod_auth_internal_plain.lua
@@ -23,7 +23,7 @@ local prosody = _G.prosody;
function new_default_provider(host)
local provider = { name = "internal_plain" };
- log("debug", "initializing default authentication provider for host '%s'", host);
+ log("debug", "initializing internal_plain authentication provider for host '%s'", host);
function provider.test_password(username, password)
log("debug", "test password '%s' for user %s at host %s", password, username, module.host);
diff --git a/plugins/mod_bosh.lua b/plugins/mod_bosh.lua
index 8e87e140..c5576004 100644
--- a/plugins/mod_bosh.lua
+++ b/plugins/mod_bosh.lua
@@ -6,7 +6,7 @@
-- COPYING file in the source package for more information.
--
-module.host = "*" -- Global module
+module:set_global(); -- Global module
local hosts = _G.hosts;
local new_xmpp_stream = require "util.xmppstream".new;
diff --git a/plugins/mod_c2s.lua b/plugins/mod_c2s.lua
new file mode 100644
index 00000000..743fe3d2
--- /dev/null
+++ b/plugins/mod_c2s.lua
@@ -0,0 +1,242 @@
+-- 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.
+--
+
+module:set_global();
+
+local add_task = require "util.timer".add_task;
+local new_xmpp_stream = require "util.xmppstream".new;
+local nameprep = require "util.encodings".stringprep.nameprep;
+local portmanager = require "core.portmanager";
+local sessionmanager = require "core.sessionmanager";
+local st = require "util.stanza";
+local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
+local uuid_generate = require "util.uuid".generate;
+
+local xpcall, tostring, type = xpcall, tostring, type;
+local format = string.format;
+local traceback = debug.traceback;
+
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
+
+local log = module._log;
+
+local c2s_timeout = module:get_option_number("c2s_timeout");
+local opt_keepalives = module:get_option_boolean("tcp_keepalives", false);
+
+local sessions = module:shared("sessions");
+
+local stream_callbacks = { default_ns = "jabber:client", handlestanza = core_process_stanza };
+local listener = {};
+
+--- Stream events handlers
+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 = "" };
+
+function stream_callbacks.streamopened(session, attr)
+ local send = session.send;
+ session.host = nameprep(attr.to);
+ if not session.host then
+ session:close{ condition = "improper-addressing",
+ text = "A valid 'to' attribute is required on stream headers" };
+ return;
+ end
+ session.version = tonumber(attr.version) or 0;
+ session.streamid = uuid_generate();
+ (session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host);
+
+ if not hosts[session.host] then
+ -- We don't serve this host...
+ session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)};
+ return;
+ end
+
+ send("<?xml version='1.0'?>");
+ send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' version='1.0' xml:lang='en'>", session.streamid, session.host));
+
+ (session.log or log)("debug", "Sent reply <stream:stream> to client");
+ session.notopen = nil;
+
+ -- If session.secure is *false* (not nil) then it means we /were/ encrypting
+ -- since we now have a new stream header, session is secured
+ if session.secure == false then
+ session.secure = true;
+ end
+
+ local features = st.stanza("stream:features");
+ hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
+ module:fire_event("stream-features", session, features);
+
+ send(features);
+end
+
+function stream_callbacks.streamclosed(session)
+ session.log("debug", "Received </stream:stream>");
+ session:close();
+end
+
+function stream_callbacks.error(session, error, data)
+ if error == "no-stream" then
+ session.log("debug", "Invalid opening stream header");
+ session:close("invalid-namespace");
+ elseif error == "parse-error" then
+ (session.log or log)("debug", "Client XML parse error: %s", tostring(data));
+ session:close("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
+
+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
+
+--- Session methods
+local function session_close(session, reason)
+ local log = session.log or log;
+ if session.conn then
+ if session.notopen then
+ session.send("<?xml version='1.0'?>");
+ session.send(st.stanza("stream:stream", default_stream_attr):top_tag());
+ end
+ if reason then
+ if type(reason) == "string" then -- assume stream error
+ log("info", "Disconnecting client, <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 client, <stream:error> is: %s", tostring(stanza));
+ session.send(stanza);
+ elseif reason.name then -- a stanza
+ log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason));
+ session.send(reason);
+ end
+ end
+ end
+ session.send("</stream:stream>");
+ session.conn:close();
+ listener.ondisconnect(session.conn, (reason and (reason.text or reason.condition)) or reason or "session closed");
+ end
+end
+
+--- Port listener
+function listener.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 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
+ end
+
+
+ if c2s_timeout then
+ add_task(c2s_timeout, function ()
+ if session.type == "c2s_unauthed" then
+ session:close("connection-timeout");
+ end
+ end);
+ end
+
+ session.dispatch_stanza = stream_callbacks.handlestanza;
+end
+
+function listener.onincoming(conn, data)
+ local session = sessions[conn];
+ if session then
+ session.data(data);
+ end
+end
+
+function listener.ondisconnect(conn, err)
+ local session = sessions[conn];
+ if session then
+ (session.log or log)("info", "Client disconnected: %s", err);
+ sm_destroy_session(session, err);
+ sessions[conn] = nil;
+ session = nil;
+ end
+end
+
+function listener.associate_session(conn, session)
+ sessions[conn] = session;
+end
+
+module:add_item("net-provider", {
+ name = "c2s";
+ listener = listener;
+ default_port = 5222;
+ encryption = "starttls";
+ multiplex = {
+ pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:client%1.*>";
+ };
+});
+
+module:add_item("net-provider", {
+ name = "legacy_ssl";
+ listener = listener;
+ encryption = "ssl";
+ multiplex = {
+ pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:client%1.*>";
+ };
+});
+
+
diff --git a/plugins/mod_component.lua b/plugins/mod_component.lua
index f7d09930..5b1eefc7 100644
--- a/plugins/mod_component.lua
+++ b/plugins/mod_component.lua
@@ -6,95 +6,298 @@
-- COPYING file in the source package for more information.
--
-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
+module:set_global();
local t_concat = table.concat;
+local logger = require "util.logger";
local sha1 = require "util.hashes".sha1;
local st = require "util.stanza";
+local jid_split = require "util.jid".split;
+local new_xmpp_stream = require "util.xmppstream".new;
+local uuid_gen = require "util.uuid".generate;
+
+
local log = module._log;
-local main_session, send;
+local sessions = module:shared("sessions");
-local function on_destroy(session, err)
- if main_session == session then
- connected = false;
- main_session = nil;
+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;
+
+ local send;
+
+ local function on_destroy(session, err)
+ env.connected = false;
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" 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
+ module:log("info", "Component authentication failed for %s", session.host);
+ 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" };
+ end
+
+ env.connected = true;
+ send = session.send;
+ session.on_destroy = on_destroy;
+ session.component_validate_from = module:get_option_boolean("validate_from_addresses", true);
+ 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);
+
+ -- Handle stanzas addressed to this component
+ local function handle_stanza(event)
+ local stanza = event.stanza;
+ if send then
+ stanza.attr.xmlns = nil;
+ send(stanza);
+ else
+ module:log("warn", "Component not connected, bouncing error for: %s", stanza:top_tag());
+ if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
+ event.origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
+ end
+ 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);
+ module:hook("iq/full", handle_stanza, -1);
+ module:hook("message/full", handle_stanza, -1);
+ module:hook("presence/full", handle_stanza, -1);
+ module:hook("iq/host", handle_stanza, -1);
+ module:hook("message/host", handle_stanza, -1);
+ module:hook("presence/host", handle_stanza, -1);
end
-local function handle_stanza(event)
- local stanza = event.stanza;
- if send then
- stanza.attr.xmlns = nil;
- send(stanza);
- else
- log("warn", "Component not connected, bouncing error for: %s", stanza:top_tag());
- if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
- event.origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
+--- Network and stream part ---
+
+local xmlns_component = 'jabber:component:accept';
+
+local listener = {};
+
+--- Callbacks/data for xmppstream to handle streams for us ---
+
+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
+ module:log("warn", "Error processing component stream: "..tostring(error));
+ if error == "no-stream" then
+ session:close("invalid-namespace");
+ elseif error == "parse-error" then
+ session.log("warn", "External component %s XML parse error: %s", tostring(session.host), tostring(data));
+ session:close("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
- return true;
end
-module:hook("iq/bare", handle_stanza, -1);
-module:hook("message/bare", handle_stanza, -1);
-module:hook("presence/bare", handle_stanza, -1);
-module:hook("iq/full", handle_stanza, -1);
-module:hook("message/full", handle_stanza, -1);
-module:hook("presence/full", handle_stanza, -1);
-module:hook("iq/host", handle_stanza, -1);
-module:hook("message/host", handle_stanza, -1);
-module:hook("presence/host", handle_stanza, -1);
-
---- Handle authentication attempts by components
-function handle_component_auth(event)
- local session, stanza = event.origin, event.stanza;
-
- if session.type ~= "component" then return; end
- if main_session == session then return; end
+function stream_callbacks.streamopened(session, attr)
+ if not hosts[attr.to] or not hosts[attr.to].modules.component then
+ session:close{ condition = "host-unknown", text = tostring(attr.to).." does not match any configured external components" };
+ return;
+ end
+ session.host = attr.to;
+ session.streamid = uuid_gen();
+ session.notopen = nil;
+ -- Return stream header
+ 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
- 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;
+function stream_callbacks.streamclosed(session)
+ session.log("debug", "Received </stream:stream>");
+ session:close();
+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
-
- 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;
+ if not stanza.attr.xmlns or stanza.attr.xmlns == "jabber:client" then
+ local from = stanza.attr.from;
+ if from then
+ if session.component_validate_from then
+ local _, domain = jid_split(stanza.attr.from);
+ if domain ~= session.host then
+ -- Return error
+ session.log("warn", "Component sent stanza with missing or invalid 'from' address");
+ session:close{
+ condition = "invalid-from";
+ text = "Component tried to send from address <"..tostring(from)
+ .."> which is not in domain <"..tostring(session.host)..">";
+ };
+ return;
+ end
+ end
+ else
+ stanza.attr.from = session.host; -- COMPAT: Strictly we shouldn't allow this
+ end
+ if not stanza.attr.to then
+ session.log("warn", "Rejecting stanza with no 'to' address");
+ session.send(st.error_reply(stanza, "modify", "bad-request", "Components MUST specify a 'to' address on stanzas"));
+ return;
+ end
end
-
- 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 authentication failed for %s", session.host);
- session:close{ condition = "not-authorized", text = "Given token does not match calculated token" };
- return true;
+ return core_process_stanza(session, stanza);
+end
+
+--- Closing a component connection
+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
+ session.send("<?xml version='1.0'?>");
+ session.send(st.stanza("stream:stream", default_stream_attr):top_tag());
+ end
+ if reason then
+ if type(reason) == "string" then -- assume stream error
+ module: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
+ module:log("info", "Disconnecting component, <stream:error> is: %s", tostring(stanza));
+ session.send(stanza);
+ elseif reason.name then -- a stanza
+ module:log("info", "Disconnecting component, <stream:error> is: %s", tostring(reason));
+ session.send(reason);
+ end
+ end
+ end
+ session.send("</stream:stream>");
+ session.conn:close();
+ listener.ondisconnect(session.conn, "stream error");
end
+end
+
+--- Component connlistener
+
+function listener.onconnect(conn)
+ local _send = conn.write;
+ local session = { type = "component", conn = conn, send = function (data) return _send(conn, tostring(data)); end };
+
+ -- Logging functions --
+ local conn_name = "jcp"..tostring(conn):match("[a-f0-9]+$");
+ session.log = logger.init(conn_name);
+ session.close = session_close;
- -- If component not already created for this host, create one now
- if not main_session then
- connected = true;
- send = session.send;
- main_session = session;
- session.on_destroy = on_destroy;
- session.component_validate_from = module:get_option_boolean("validate_from_addresses", true);
- log("info", "Component successfully authenticated: %s", session.host);
- session.send(st.stanza("handshake"));
- else -- TODO: Implement stanza distribution
- log("error", "Multiple components bound to the same address, first one wins: %s", session.host);
- session:close{ condition = "conflict", text = "Component already connected" };
+ 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();
+ end
+
+ function session.data(conn, data)
+ local ok, err = stream:feed(data);
+ if ok then return; end
+ 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
- return true;
+ session.dispatch_stanza = stream_callbacks.handlestanza;
+
+ sessions[conn] = session;
+end
+function listener.onincoming(conn, data)
+ local session = sessions[conn];
+ session.data(conn, data);
+end
+function listener.ondisconnect(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.on_destroy then session:on_destroy(err); end
+ sessions[conn] = nil;
+ 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
-module:hook("stanza/jabber:component:accept:handshake", handle_component_auth);
+module:add_item("net-provider", {
+ name = "component";
+ listener = listener;
+ default_port = 5347;
+ multiplex = {
+ pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:component%1.*>";
+ };
+});
diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua
index e27f8657..e578c412 100644
--- a/plugins/mod_dialback.lua
+++ b/plugins/mod_dialback.lua
@@ -6,22 +6,36 @@
-- COPYING file in the source package for more information.
--
+local format = string.format;
local hosts = _G.hosts;
-local send_s2s = require "core.s2smanager".send_to_host;
local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
-local s2s_initiate_dialback = require "core.s2smanager".initiate_dialback;
-local s2s_verify_dialback = require "core.s2smanager".verify_dialback;
local log = module._log;
local st = require "util.stanza";
+local sha256_hash = require "util.hashes".sha256;
local xmlns_stream = "http://etherx.jabber.org/streams";
local xmlns_dialback = "jabber:server:dialback";
local dialback_requests = setmetatable({}, { __mode = 'v' });
+function generate_dialback(id, to, from)
+ return sha256_hash(id..to..from..hosts[from].dialback_secret, true);
+end
+
+function initiate_dialback(session)
+ -- generate dialback key
+ session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host);
+ session.sends2s(format("<db:result from='%s' to='%s'>%s</db:result>", session.from_host, session.to_host, session.dialback_key));
+ session.log("info", "sent dialback key on outgoing s2s stream");
+end
+
+function verify_dialback(id, to, from, key)
+ return key == generate_dialback(id, to, from);
+end
+
module:hook("stanza/jabber:server:dialback:verify", function(event)
local origin, stanza = event.origin, event.stanza;
@@ -32,7 +46,7 @@ module:hook("stanza/jabber:server:dialback:verify", function(event)
-- COMPAT: Grr, ejabberd breaks this one too?? it is black and white in XEP-220 example 34
--if attr.from ~= origin.to_host then error("invalid-from"); end
local type;
- if s2s_verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then
+ if verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then
type = "valid"
else
type = "invalid"
@@ -72,8 +86,7 @@ module:hook("stanza/jabber:server:dialback:result", function(event)
end
origin.log("debug", "asking %s if key %s belongs to them", attr.from, stanza[1]);
- send_s2s(attr.to, attr.from,
- st.stanza("db:verify", { from = attr.to, to = attr.from, id = origin.streamid }):text(stanza[1]));
+ origin.send(st.stanza("db:verify", { from = attr.to, to = attr.from, id = origin.streamid }):text(stanza[1]));
return true;
end
end);
@@ -84,6 +97,7 @@ module:hook("stanza/jabber:server:dialback:verify", function(event)
if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then
local attr = stanza.attr;
local dialback_verifying = dialback_requests[attr.from.."/"..(attr.id or "")];
+ module:log("debug", tostring(dialback_verifying).." "..attr.from.." "..origin.to_host);
if dialback_verifying and attr.from == origin.to_host then
local valid;
if attr.type == "valid" then
@@ -134,18 +148,25 @@ end);
module:hook_stanza("urn:ietf:params:xml:ns:xmpp-sasl", "failure", function (origin, stanza)
if origin.external_auth == "failed" then
module:log("debug", "SASL EXTERNAL failed, falling back to dialback");
- s2s_initiate_dialback(origin);
+ initiate_dialback(origin);
return true;
end
end, 100);
module:hook_stanza(xmlns_stream, "features", function (origin, stanza)
if not origin.external_auth or origin.external_auth == "failed" then
- s2s_initiate_dialback(origin);
+ module:log("debug", "Initiating dialback...");
+ initiate_dialback(origin);
return true;
end
end, 100);
+module:hook("s2s-authenticate-legacy", function (event)
+ module:log("debug", "Initiating dialback...");
+ initiate_dialback(event.origin);
+ return true;
+end, 100);
+
-- Offer dialback to incoming hosts
module:hook("s2s-stream-features", function (data)
data.features:tag("dialback", { xmlns='urn:xmpp:features:dialback' }):up();
diff --git a/plugins/mod_http.lua b/plugins/mod_http.lua
new file mode 100644
index 00000000..6da4db24
--- /dev/null
+++ b/plugins/mod_http.lua
@@ -0,0 +1,98 @@
+-- Prosody IM
+-- Copyright (C) 2008-2012 Matthew Wild
+-- Copyright (C) 2008-2012 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+module:set_global();
+
+local parse_url = require "socket.url".parse;
+local server = require "net.http.server";
+
+local function normalize_path(path)
+ if path:sub(1,1) ~= "/" then path = "/"..path; end
+ if path:sub(-1,-1) == "/" then path = path:sub(1, -2); end
+ return path;
+end
+
+local function get_http_event(host, app_path, key)
+ local method, path = key:match("^(%S+)%s+(.+)$");
+ if not method then
+ if key:sub(1,1) ~= "/" then
+ return nil;
+ end
+ method, path = "GET", key;
+ end
+ path = normalize_path(path);
+ return method:upper().." "..host..app_path..path;
+end
+
+function module.add_host(module)
+ local host = module.host;
+ local apps = {};
+ module.environment.apps = apps;
+ local function http_app_added(event)
+ local app_name = event.item.name;
+ local default_app_path = event.item.default_path or "/"..app_name;
+ local app_path = normalize_path(module:get_option_string(app_name.."_http_path", default_app_path));
+ if not app_name then
+ -- TODO: Link to docs
+ module:log("error", "HTTP app has no 'name', add one or use module:provides('http', app)");
+ return;
+ end
+ apps[app_name] = apps[app_name] or {};
+ local app_handlers = apps[app_name];
+ for key, handler in pairs(event.item.route or {}) do
+ local event_name = get_http_event(host, app_path, key);
+ if event_name then
+ if event_name:sub(-2, -1) == "/*" then
+ local base_path = event_name:match("/(.+)/*$");
+ local _handler = handler;
+ handler = function (event)
+ local path = event.request.path:sub(#base_path+1);
+ return _handler(event, path);
+ end;
+ end
+ if not app_handlers[event_name] then
+ app_handlers[event_name] = handler;
+ server.add_handler(event_name, handler);
+ else
+ module:log("warn", "App %s added handler twice for '%s', ignoring", app_name, event_name);
+ end
+ else
+ module:log("error", "Invalid route in %s: %q", app_name, key);
+ end
+ end
+ end
+
+ local function http_app_removed(event)
+ local app_handlers = apps[event.item.name];
+ apps[event.item.name] = nil;
+ for event, handler in pairs(app_handlers) do
+ server.remove_handler(event, handler);
+ end
+ end
+
+ module:handle_items("http-provider", http_app_added, http_app_removed);
+end
+
+module:add_item("net-provider", {
+ name = "http";
+ listener = server.listener;
+ default_port = 5280;
+ multiplex = {
+ pattern = "^[A-Z]";
+ };
+});
+
+module:add_item("net-provider", {
+ name = "https";
+ listener = server.listener;
+ default_port = 5281;
+ encryption = "ssl";
+ multiplex = {
+ pattern = "^[A-Z]";
+ };
+});
diff --git a/plugins/mod_http_files.lua b/plugins/mod_http_files.lua
new file mode 100644
index 00000000..437633e7
--- /dev/null
+++ b/plugins/mod_http_files.lua
@@ -0,0 +1,86 @@
+-- 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.
+--
+
+module:depends("http");
+local lfs = require "lfs";
+
+local open = io.open;
+local stat = lfs.attributes;
+
+local http_base = module:get_option_string("http_path", "www_files");
+
+local response_400 = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(";
+local response_403 = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(";
+local response_404 = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(";
+
+-- TODO: Should we read this from /etc/mime.types if it exists? (startup time...?)
+local mime_map = {
+ html = "text/html";
+ htm = "text/html";
+ xml = "text/xml";
+ xsl = "text/xml";
+ txt = "text/plain; charset=utf-8";
+ js = "text/javascript";
+ css = "text/css";
+};
+
+local function preprocess_path(path)
+ if path:sub(1,1) ~= "/" then
+ path = "/"..path;
+ end
+ local level = 0;
+ for component in path:gmatch("([^/]+)/") do
+ if component == ".." then
+ level = level - 1;
+ elseif component ~= "." then
+ level = level + 1;
+ end
+ if level < 0 then
+ return nil;
+ end
+ end
+ return path;
+end
+
+function serve_file(event, path)
+ local response = event.response;
+ path = path and preprocess_path(path);
+ if not path then
+ response.status = 400;
+ return response:send(response_400);
+ end
+ local full_path = http_base..path;
+ if stat(full_path, "mode") == "directory" then
+ if stat(full_path.."/index.html", "mode") == "file" then
+ return serve_file(event, path.."/index.html");
+ end
+ response.status = 403;
+ return response:send(response_403);
+ end
+ local f, err = open(full_path, "rb");
+ if not f then
+ response.status = 404;
+ return response:send(response_404.."<br/>"..tostring(err));
+ end
+ local data = f:read("*a");
+ f:close();
+ if not data then
+ response.status = 403;
+ return response:send(response_403);
+ end
+ local ext = path:match("%.([^.]*)$");
+ response.headers.content_type = mime_map[ext]; -- Content-Type should be nil when not known
+ return response:send(data);
+end
+
+module:provides("http", {
+ route = {
+ ["/*"] = serve_file;
+ };
+});
+
diff --git a/plugins/mod_httpserver.lua b/plugins/mod_httpserver.lua
deleted file mode 100644
index 654aff06..00000000
--- a/plugins/mod_httpserver.lua
+++ /dev/null
@@ -1,97 +0,0 @@
--- 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.
---
-
-
-local httpserver = require "net.httpserver";
-local lfs = require "lfs";
-
-local open = io.open;
-local t_concat = table.concat;
-local stat = lfs.attributes;
-
-local http_base = config.get("*", "core", "http_path") or "www_files";
-
-local response_400 = { status = "400 Bad Request", body = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(" };
-local response_403 = { status = "403 Forbidden", body = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(" };
-local response_404 = { status = "404 Not Found", body = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(" };
-
--- TODO: Should we read this from /etc/mime.types if it exists? (startup time...?)
-local mime_map = {
- html = "text/html";
- htm = "text/html";
- xml = "text/xml";
- xsl = "text/xml";
- txt = "text/plain; charset=utf-8";
- js = "text/javascript";
- css = "text/css";
-};
-
-local function preprocess_path(path)
- if path:sub(1,1) ~= "/" then
- path = "/"..path;
- end
- local level = 0;
- for component in path:gmatch("([^/]+)/") do
- if component == ".." then
- level = level - 1;
- elseif component ~= "." then
- level = level + 1;
- end
- if level < 0 then
- return nil;
- end
- end
- return path;
-end
-
-function serve_file(path)
- local full_path = http_base..path;
- if stat(full_path, "mode") == "directory" then
- if stat(full_path.."/index.html", "mode") == "file" then
- return serve_file(path.."/index.html");
- end
- return response_403;
- end
- local f, err = open(full_path, "rb");
- if not f then return response_404; end
- local data = f:read("*a");
- f:close();
- if not data then
- return response_403;
- end
- local ext = path:match("%.([^.]*)$");
- local mime = mime_map[ext]; -- Content-Type should be nil when not known
- return {
- headers = { ["Content-Type"] = mime; };
- body = data;
- };
-end
-
-local function handle_file_request(method, body, request)
- local path = preprocess_path(request.url.path);
- if not path then return response_400; end
- path = path:gsub("^/[^/]+", ""); -- Strip /files/
- return serve_file(path);
-end
-
-local function handle_default_request(method, body, request)
- local path = preprocess_path(request.url.path);
- if not path then return response_400; end
- return serve_file(path);
-end
-
-local function setup()
- local ports = config.get(module.host, "core", "http_ports") or { 5280 };
- httpserver.set_default_handler(handle_default_request);
- httpserver.new_from_config(ports, handle_file_request, { base = "files" });
-end
-if prosody.start_time then -- already started
- setup();
-else
- prosody.events.add_handler("server-started", setup);
-end
diff --git a/plugins/mod_motd.lua b/plugins/mod_motd.lua
index d567288b..39b74de9 100644
--- a/plugins/mod_motd.lua
+++ b/plugins/mod_motd.lua
@@ -13,17 +13,18 @@ local motd_jid = module:get_option_string("motd_jid", host);
if not motd_text then return; end
+local jid_join = require "util.jid".join;
local st = require "util.stanza";
motd_text = motd_text:gsub("^%s*(.-)%s*$", "%1"):gsub("\n%s+", "\n"); -- Strip indentation from the config
-module:hook("resource-bind",
- function (event)
- local session = event.session;
- local motd_stanza =
- st.message({ to = session.username..'@'..session.host, from = motd_jid })
- :tag("body"):text(motd_text);
- core_route_stanza(hosts[host], motd_stanza);
- module:log("debug", "MOTD send to user %s@%s", session.username, session.host);
-
-end);
+module:hook("presence/bare", function (event)
+ local session, stanza = event.origin, event.stanza;
+ if not session.presence and not stanza.attr.type then
+ local motd_stanza =
+ st.message({ to = session.full_jid, from = motd_jid })
+ :tag("body"):text(motd_text);
+ core_route_stanza(hosts[host], motd_stanza);
+ module:log("debug", "MOTD send to user %s", session.full_jid);
+ end
+end, 1);
diff --git a/plugins/mod_net_multiplex.lua b/plugins/mod_net_multiplex.lua
new file mode 100644
index 00000000..44e1c1ee
--- /dev/null
+++ b/plugins/mod_net_multiplex.lua
@@ -0,0 +1,70 @@
+module:set_global();
+
+local max_buffer_len = module:get_option_number("multiplex_buffer_size", 1024);
+
+local portmanager = require "core.portmanager";
+
+local available_services = {};
+
+local function add_service(service)
+ local multiplex_pattern = service.multiplex and service.multiplex.pattern;
+ if multiplex_pattern then
+ module:log("debug", "Adding multiplex service %q with pattern %q", service.name, multiplex_pattern);
+ available_services[service] = multiplex_pattern;
+ else
+ module:log("debug", "Service %q is not multiplex-capable", service.name);
+ end
+end
+module:hook("service-added", function (event) add_service(event.service); end);
+module:hook("service-removed", function (event) available_services[event.service] = nil; end);
+
+for service_name, services in pairs(portmanager.get_registered_services()) do
+ for i, service in ipairs(services) do
+ add_service(service);
+ end
+end
+
+local buffers = {};
+
+local listener = { default_mode = "*a" };
+
+function listener.onconnect()
+end
+
+function listener.onincoming(conn, data)
+ if not data then return; end
+ local buf = buffers[conn];
+ buffers[conn] = nil;
+ buf = buf and buf..data or data;
+ for service, multiplex_pattern in pairs(available_services) do
+ if buf:match(multiplex_pattern) then
+ module:log("debug", "Routing incoming connection to %s", service.name);
+ local listener = service.listener;
+ conn:setlistener(listener);
+ local onconnect = listener.onconnect;
+ if onconnect then onconnect(conn) end
+ return listener.onincoming(conn, buf);
+ end
+ end
+ if #buf > max_buffer_len then -- Give up
+ conn:close();
+ else
+ buffers[conn] = buf;
+ end
+end
+
+function listener.ondisconnect(conn, err)
+ buffers[conn] = nil; -- warn if no buffer?
+end
+
+module:add_item("net-provider", {
+ name = "multiplex";
+ config_prefix = "";
+ listener = listener;
+});
+
+module:provides("net", {
+ name = "multiplex_ssl";
+ config_prefix = "ssl";
+ listener = listener;
+});
diff --git a/plugins/mod_posix.lua b/plugins/mod_posix.lua
index d229c1b8..b388fb9d 100644
--- a/plugins/mod_posix.lua
+++ b/plugins/mod_posix.lua
@@ -22,7 +22,7 @@ local stat = lfs.attributes;
local prosody = _G.prosody;
-module.host = "*"; -- we're a global module
+module:set_global(); -- we're a global module
local umask = module:get_option("umask") or "027";
pposix.umask(umask);
diff --git a/plugins/mod_proxy65.lua b/plugins/mod_proxy65.lua
index d02f3b58..155cb60d 100644
--- a/plugins/mod_proxy65.lua
+++ b/plugins/mod_proxy65.lua
@@ -6,35 +6,21 @@
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
---[[
-* to restart the proxy in the console: e.g.
-module:unload("proxy65");
-> server.removeserver(<proxy65_port>);
-module:load("proxy65", <proxy65_jid>);
-]]--
+module:set_global();
-local module = module;
-local tostring = tostring;
local jid_compare, jid_prep = require "util.jid".compare, require "util.jid".prep;
local st = require "util.stanza";
-local connlisteners = require "net.connlisteners";
local sha1 = require "util.hashes".sha1;
-local server = require "net.server";
local b64 = require "util.encodings".base64.encode;
+local server = require "net.server";
-local host, name = module:get_host(), "SOCKS5 Bytestreams Service";
-local sessions, transfers = {}, {};
-
-local proxy_port = module:get_option("proxy65_port") or 5000;
-local proxy_interface = module:get_option("proxy65_interface") or "*";
-local proxy_address = module:get_option("proxy65_address") or (proxy_interface ~= "*" and proxy_interface) or host;
-local proxy_acl = module:get_option("proxy65_acl");
+local sessions, transfers = module:shared("sessions", "transfers");
local max_buffer_size = 4096;
-local connlistener = { default_port = proxy_port, default_interface = proxy_interface, default_mode = "*a" };
+local listener = {};
-function connlistener.onincoming(conn, data)
+function listener.onincoming(conn, data)
local session = sessions[conn] or {};
local transfer = transfers[session.sha];
@@ -84,7 +70,7 @@ function connlistener.onincoming(conn, data)
end
end
-function connlistener.ondisconnect(conn, err)
+function listener.ondisconnect(conn, err)
local session = sessions[conn];
if session then
if transfers[session.sha] then
@@ -101,88 +87,90 @@ function connlistener.ondisconnect(conn, err)
end
end
-module:add_identity("proxy", "bytestreams", name);
-module:add_feature("http://jabber.org/protocol/bytestreams");
-
-module:hook("iq-get/host/http://jabber.org/protocol/disco#info:query", function(event)
- local origin, stanza = event.origin, event.stanza;
- origin.send(st.reply(stanza):query("http://jabber.org/protocol/disco#info")
- :tag("identity", {category='proxy', type='bytestreams', name=name}):up()
- :tag("feature", {var="http://jabber.org/protocol/bytestreams"}) );
- return true;
-end, -1);
-
-module:hook("iq-get/host/http://jabber.org/protocol/disco#items:query", function(event)
- local origin, stanza = event.origin, event.stanza;
- origin.send(st.reply(stanza):query("http://jabber.org/protocol/disco#items"));
- return true;
-end, -1);
+function module.add_host(module)
+ local host, name = module:get_host(), module:get_option_string("name", "SOCKS5 Bytestreams Service");
+
+ local proxy_address = module:get_option("proxy65_address", host);
+ local proxy_port = module:get_option_number("proxy65_port", next(portmanager.get_active_services():search("proxy65", nil)[1]));
+ local proxy_acl = module:get_option("proxy65_acl");
-module:hook("iq-get/host/http://jabber.org/protocol/bytestreams:query", function(event)
- local origin, stanza = event.origin, event.stanza;
+ module:add_identity("proxy", "bytestreams", name);
+ module:add_feature("http://jabber.org/protocol/bytestreams");
+
+ module:hook("iq-get/host/http://jabber.org/protocol/disco#info:query", function(event)
+ local origin, stanza = event.origin, event.stanza;
+ origin.send(st.reply(stanza):query("http://jabber.org/protocol/disco#info")
+ :tag("identity", {category='proxy', type='bytestreams', name=name}):up()
+ :tag("feature", {var="http://jabber.org/protocol/bytestreams"}) );
+ return true;
+ end, -1);
+
+ module:hook("iq-get/host/http://jabber.org/protocol/disco#items:query", function(event)
+ local origin, stanza = event.origin, event.stanza;
+ origin.send(st.reply(stanza):query("http://jabber.org/protocol/disco#items"));
+ return true;
+ end, -1);
- -- check ACL
- while proxy_acl and #proxy_acl > 0 do -- using 'while' instead of 'if' so we can break out of it
- local jid = stanza.attr.from;
- for _, acl in ipairs(proxy_acl) do
- if jid_compare(jid, acl) then break; end
+ module:hook("iq-get/host/http://jabber.org/protocol/bytestreams:query", function(event)
+ local origin, stanza = event.origin, event.stanza;
+
+ -- check ACL
+ while proxy_acl and #proxy_acl > 0 do -- using 'while' instead of 'if' so we can break out of it
+ local jid = stanza.attr.from;
+ for _, acl in ipairs(proxy_acl) do
+ if jid_compare(jid, acl) then break; end
+ end
+ module:log("warn", "Denying use of proxy for %s", tostring(stanza.attr.from));
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ return true;
end
- module:log("warn", "Denying use of proxy for %s", tostring(stanza.attr.from));
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
+
+ local sid = stanza.tags[1].attr.sid;
+ origin.send(st.reply(stanza):tag("query", {xmlns="http://jabber.org/protocol/bytestreams", sid=sid})
+ :tag("streamhost", {jid=host, host=proxy_address, port=proxy_port}));
return true;
- end
-
- local sid = stanza.tags[1].attr.sid;
- origin.send(st.reply(stanza):tag("query", {xmlns="http://jabber.org/protocol/bytestreams", sid=sid})
- :tag("streamhost", {jid=host, host=proxy_address, port=proxy_port}));
- return true;
-end);
-
-module.unload = function()
- connlisteners.deregister(module.host .. ':proxy65');
-end
-
-module:hook("iq-set/host/http://jabber.org/protocol/bytestreams:query", function(event)
- local origin, stanza = event.origin, event.stanza;
-
- local query = stanza.tags[1];
- local sid = query.attr.sid;
- local from = stanza.attr.from;
- local to = query:get_child_text("activate");
- local prepped_to = jid_prep(to);
-
- local info = "sid: "..tostring(sid)..", initiator: "..tostring(from)..", target: "..tostring(prepped_to or to);
- if prepped_to and sid then
- local sha = sha1(sid .. from .. prepped_to, true);
- if not transfers[sha] then
- module:log("debug", "Activation request has unknown session id; activation failed (%s)", info);
- origin.send(st.error_reply(stanza, "modify", "item-not-found"));
- elseif not transfers[sha].initiator then
- module:log("debug", "The sender was not connected to the proxy; activation failed (%s)", info);
- origin.send(st.error_reply(stanza, "cancel", "not-allowed", "The sender (you) is not connected to the proxy"));
- --elseif not transfers[sha].target then -- can't happen, as target is set when a transfer object is created
- -- module:log("debug", "The recipient was not connected to the proxy; activation failed (%s)", info);
- -- origin.send(st.error_reply(stanza, "cancel", "not-allowed", "The recipient is not connected to the proxy"));
- else -- if transfers[sha].initiator ~= nil and transfers[sha].target ~= nil then
- module:log("debug", "Transfer activated (%s)", info);
- transfers[sha].activated = true;
- transfers[sha].target:resume();
- transfers[sha].initiator:resume();
- origin.send(st.reply(stanza));
+ end);
+
+ module:hook("iq-set/host/http://jabber.org/protocol/bytestreams:query", function(event)
+ local origin, stanza = event.origin, event.stanza;
+
+ local query = stanza.tags[1];
+ local sid = query.attr.sid;
+ local from = stanza.attr.from;
+ local to = query:get_child_text("activate");
+ local prepped_to = jid_prep(to);
+
+ local info = "sid: "..tostring(sid)..", initiator: "..tostring(from)..", target: "..tostring(prepped_to or to);
+ if prepped_to and sid then
+ local sha = sha1(sid .. from .. prepped_to, true);
+ if not transfers[sha] then
+ module:log("debug", "Activation request has unknown session id; activation failed (%s)", info);
+ origin.send(st.error_reply(stanza, "modify", "item-not-found"));
+ elseif not transfers[sha].initiator then
+ module:log("debug", "The sender was not connected to the proxy; activation failed (%s)", info);
+ origin.send(st.error_reply(stanza, "cancel", "not-allowed", "The sender (you) is not connected to the proxy"));
+ --elseif not transfers[sha].target then -- can't happen, as target is set when a transfer object is created
+ -- module:log("debug", "The recipient was not connected to the proxy; activation failed (%s)", info);
+ -- origin.send(st.error_reply(stanza, "cancel", "not-allowed", "The recipient is not connected to the proxy"));
+ else -- if transfers[sha].initiator ~= nil and transfers[sha].target ~= nil then
+ module:log("debug", "Transfer activated (%s)", info);
+ transfers[sha].activated = true;
+ transfers[sha].target:resume();
+ transfers[sha].initiator:resume();
+ origin.send(st.reply(stanza));
+ end
+ elseif to and sid then
+ module:log("debug", "Malformed activation jid; activation failed (%s)", info);
+ origin.send(st.error_reply(stanza, "modify", "jid-malformed"));
+ else
+ module:log("debug", "Bad request; activation failed (%s)", info);
+ origin.send(st.error_reply(stanza, "modify", "bad-request"));
end
- elseif to and sid then
- module:log("debug", "Malformed activation jid; activation failed (%s)", info);
- origin.send(st.error_reply(stanza, "modify", "jid-malformed"));
- else
- module:log("debug", "Bad request; activation failed (%s)", info);
- origin.send(st.error_reply(stanza, "modify", "bad-request"));
- end
- return true;
-end);
-
-if not connlisteners.register(module.host .. ':proxy65', connlistener) then
- module:log("error", "mod_proxy65: Could not establish a connection listener. Check your configuration please.");
- module:log("error", "Possibly two proxy65 components are configured to share the same port.");
+ return true;
+ end);
end
-connlisteners.start(module.host .. ':proxy65');
+module:provides("net", {
+ default_port = 5000;
+ listener = listener;
+});
diff --git a/plugins/s2s/mod_s2s.lua b/plugins/s2s/mod_s2s.lua
new file mode 100644
index 00000000..b0bd5b40
--- /dev/null
+++ b/plugins/s2s/mod_s2s.lua
@@ -0,0 +1,477 @@
+-- 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.
+--
+
+module:set_global();
+
+local tostring, type = tostring, type;
+local t_insert = table.insert;
+local xpcall, traceback = xpcall, debug.traceback;
+
+local add_task = require "util.timer".add_task;
+local st = require "util.stanza";
+local initialize_filters = require "util.filters".initialize;
+local nameprep = require "util.encodings".stringprep.nameprep;
+local new_xmpp_stream = require "util.xmppstream".new;
+local s2s_new_incoming = require "core.s2smanager".new_incoming;
+local s2s_new_outgoing = require "core.s2smanager".new_outgoing;
+local s2s_destroy_session = require "core.s2smanager".destroy_session;
+local uuid_gen = require "util.uuid".generate;
+local cert_verify_identity = require "util.x509".verify_identity;
+
+local s2sout = module:require("s2sout");
+
+local connect_timeout = module:get_option_number("s2s_timeout", 60);
+
+local sessions = module:shared("sessions");
+
+--- Handle stanzas to remote domains
+
+local bouncy_stanzas = { message = true, presence = true, iq = true };
+local function bounce_sendq(session, reason)
+ local sendq = session.sendq;
+ if not sendq then return; end
+ session.log("info", "sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host));
+ local dummy = {
+ type = "s2sin";
+ send = function(s)
+ (session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", get_traceback());
+ end;
+ dummy = true;
+ };
+ for i, data in ipairs(sendq) do
+ local reply = data[2];
+ if reply and not(reply.attr.xmlns) and bouncy_stanzas[reply.name] then
+ reply.attr.type = "error";
+ reply:tag("error", {type = "cancel"})
+ :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up();
+ if reason then
+ reply:tag("text", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"})
+ :text("Server-to-server connection failed: "..reason):up();
+ end
+ core_process_stanza(dummy, reply);
+ end
+ sendq[i] = nil;
+ end
+ session.sendq = nil;
+end
+
+module:hook("route/remote", function (event)
+ local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza;
+ if not hosts[from_host] then
+ log("warn", "Attempt to send stanza from %s - a host we don't serve", from_host);
+ return false;
+ end
+ local host = hosts[from_host].s2sout[to_host];
+ if host then
+ -- We have a connection to this host already
+ if host.type == "s2sout_unauthed" and (stanza.name ~= "db:verify" or not host.dialback_key) then
+ (host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host);
+
+ -- Queue stanza until we are able to send it
+ if host.sendq then t_insert(host.sendq, {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)});
+ else host.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} }; end
+ host.log("debug", "stanza [%s] queued ", stanza.name);
+ return true;
+ elseif host.type == "local" or host.type == "component" then
+ log("error", "Trying to send a stanza to ourselves??")
+ log("error", "Traceback: %s", get_traceback());
+ log("error", "Stanza: %s", tostring(stanza));
+ return false;
+ else
+ (host.log or log)("debug", "going to send stanza to "..to_host.." from "..from_host);
+ -- FIXME
+ if host.from_host ~= from_host then
+ log("error", "WARNING! This might, possibly, be a bug, but it might not...");
+ log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host));
+ end
+ host.sends2s(stanza);
+ host.log("debug", "stanza sent over "..host.type);
+ return true;
+ end
+ end
+end, 200);
+
+module:hook("route/remote", function (event)
+ local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza;
+ log("debug", "opening a new outgoing connection for this stanza");
+ local host_session = s2s_new_outgoing(from_host, to_host);
+
+ -- Store in buffer
+ host_session.bounce_sendq = bounce_sendq;
+ host_session.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} };
+ log("debug", "stanza [%s] queued until connection complete", tostring(stanza.name));
+ s2sout.initiate_connection(host_session);
+ if (not host_session.connecting) and (not host_session.conn) then
+ log("warn", "Connection to %s failed already, destroying session...", to_host);
+ s2s_destroy_session(host_session, "Connection failed");
+ return false;
+ end
+ return true;
+end, 100);
+
+--- Helper to check that a session peer's certificate is valid
+local function check_cert_status(session)
+ local conn = session.conn:socket()
+ local cert
+ if conn.getpeercertificate then
+ cert = conn:getpeercertificate()
+ end
+
+ if cert then
+ local chain_valid, errors = conn:getpeerverification()
+ -- Is there any interest in printing out all/the number of errors here?
+ if not chain_valid then
+ (session.log or log)("debug", "certificate chain validation result: invalid");
+ session.cert_chain_status = "invalid";
+ else
+ (session.log or log)("debug", "certificate chain validation result: valid");
+ session.cert_chain_status = "valid";
+
+ local host = session.direction == "incoming" and session.from_host or session.to_host
+
+ -- We'll go ahead and verify the asserted identity if the
+ -- connecting server specified one.
+ if host then
+ if cert_verify_identity(host, "xmpp-server", cert) then
+ session.cert_identity_status = "valid"
+ else
+ session.cert_identity_status = "invalid"
+ end
+ end
+ end
+ end
+end
+
+--- XMPP stream event handlers
+
+local stream_callbacks = { default_ns = "jabber:server", handlestanza = core_process_stanza };
+
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
+
+function stream_callbacks.streamopened(session, attr)
+ local send = session.sends2s;
+
+ -- TODO: #29: SASL/TLS on s2s streams
+ session.version = tonumber(attr.version) or 0;
+
+ -- TODO: Rename session.secure to session.encrypted
+ if session.secure == false then
+ session.secure = true;
+ end
+
+ if session.direction == "incoming" then
+ -- Send a reply stream header
+
+ -- Validate to/from
+ local to, from = nameprep(attr.to), nameprep(attr.from);
+ if not to and attr.to then -- COMPAT: Some servers do not reliably set 'to' (especially on stream restarts)
+ session:close({ condition = "improper-addressing", text = "Invalid 'to' address" });
+ return;
+ end
+ if not from and attr.from then -- COMPAT: Some servers do not reliably set 'from' (especially on stream restarts)
+ session:close({ condition = "improper-addressing", text = "Invalid 'from' address" });
+ return;
+ end
+
+ -- Set session.[from/to]_host if they have not been set already and if
+ -- this session isn't already authenticated
+ if session.type == "s2sin_unauthed" and from and not session.from_host then
+ session.from_host = from;
+ elseif from ~= session.from_host then
+ session:close({ condition = "improper-addressing", text = "New stream 'from' attribute does not match original" });
+ return;
+ end
+ if session.type == "s2sin_unauthed" and to and not session.to_host then
+ session.to_host = to;
+ elseif to ~= session.to_host then
+ session:close({ condition = "improper-addressing", text = "New stream 'to' attribute does not match original" });
+ return;
+ end
+
+ session.streamid = uuid_gen();
+ (session.log or log)("debug", "Incoming s2s received %s", st.stanza("stream:stream", attr):top_tag());
+ if session.to_host then
+ if not hosts[session.to_host] then
+ -- Attempting to connect to a host we don't serve
+ session:close({
+ condition = "host-unknown";
+ text = "This host does not serve "..session.to_host
+ });
+ return;
+ elseif hosts[session.to_host].disallow_s2s then
+ -- Attempting to connect to a host that disallows s2s
+ session:close({
+ condition = "policy-violation";
+ text = "Server-to-server communication is not allowed to this host";
+ });
+ return;
+ end
+ end
+
+ if session.secure and not session.cert_chain_status then check_cert_status(session); end
+
+ send("<?xml version='1.0'?>");
+ send(st.stanza("stream:stream", { xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback',
+ ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.to_host, to=session.from_host, version=(session.version > 0 and "1.0" or nil) }):top_tag());
+ if session.version >= 1.0 then
+ local features = st.stanza("stream:features");
+
+ if session.to_host then
+ hosts[session.to_host].events.fire_event("s2s-stream-features", { origin = session, features = features });
+ else
+ (session.log or log)("warn", "No 'to' on stream header from %s means we can't offer any features", session.from_host or "unknown host");
+ end
+
+ log("debug", "Sending stream features: %s", tostring(features));
+ send(features);
+ end
+ elseif session.direction == "outgoing" then
+ -- If we are just using the connection for verifying dialback keys, we won't try and auth it
+ if not attr.id then error("stream response did not give us a streamid!!!"); end
+ session.streamid = attr.id;
+
+ if session.secure and not session.cert_chain_status then check_cert_status(session); end
+
+ -- Send unauthed buffer
+ -- (stanzas which are fine to send before dialback)
+ -- Note that this is *not* the stanza queue (which
+ -- we can only send if auth succeeds) :)
+ local send_buffer = session.send_buffer;
+ if send_buffer and #send_buffer > 0 then
+ log("debug", "Sending s2s send_buffer now...");
+ for i, data in ipairs(send_buffer) do
+ session.sends2s(tostring(data));
+ send_buffer[i] = nil;
+ end
+ end
+ session.send_buffer = nil;
+
+ -- If server is pre-1.0, don't wait for features, just do dialback
+ if session.version < 1.0 then
+ if not session.dialback_verifying then
+ hosts[session.from_host].events.fire_event("s2s-authenticate-legacy", { origin = session });
+ else
+ s2s_mark_connected(session);
+ end
+ end
+ end
+ session.notopen = nil;
+ session.send = function(stanza) prosody.events.fire_event("route/remote", { from_host = session.to_host, to_host = session.from_host, stanza = stanza}) end;
+end
+
+function stream_callbacks.streamclosed(session)
+ (session.log or log)("debug", "Received </stream:stream>");
+ session:close();
+end
+
+function stream_callbacks.streamdisconnected(session, err)
+ if err and err ~= "closed" then
+ (session.log or log)("debug", "s2s connection attempt failed: %s", err);
+ if s2sout.attempt_connection(session, err) then
+ (session.log or log)("debug", "...so we're going to try another target");
+ return true; -- 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 or "closed"));
+ s2s_destroy_session(session, err);
+end
+
+function stream_callbacks.error(session, error, data)
+ if error == "no-stream" then
+ session:close("invalid-namespace");
+ elseif error == "parse-error" then
+ session.log("debug", "Server-to-server XML parse error: %s", tostring(error));
+ session:close("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
+
+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
+end
+
+local listener = {};
+
+--- Session methods
+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)
+ local log = session.log or log;
+ if session.conn then
+ if session.notopen then
+ session.sends2s("<?xml version='1.0'?>");
+ session.sends2s(st.stanza("stream:stream", default_stream_attr):top_tag());
+ end
+ if reason then
+ if type(reason) == "string" then -- assume stream error
+ log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, reason);
+ session.sends2s(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 %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, tostring(stanza));
+ session.sends2s(stanza);
+ elseif reason.name then -- a stanza
+ log("info", "Disconnecting %s->%s[%s], <stream:error> is: %s", session.from_host or "(unknown host)", session.to_host or "(unknown host)", session.type, tostring(reason));
+ session.sends2s(reason);
+ end
+ end
+ end
+ session.sends2s("</stream:stream>");
+ if session.notopen or not session.conn:close() then
+ session.conn:close(true); -- Force FIXME: timer?
+ end
+ session.conn:close();
+ listener.ondisconnect(session.conn, remote_reason or (reason and (reason.text or reason.condition)) or reason or "stream closed");
+ end
+end
+
+-- Session initialization logic shared by incoming and outgoing
+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
+
+ session.close = session_close;
+
+ local handlestanza = stream_callbacks.handlestanza;
+ function session.dispatch_stanza(session, stanza)
+ return handlestanza(session, stanza);
+ end
+
+ local conn = session.conn;
+ add_task(connect_timeout, function ()
+ if session.conn ~= conn or session.connecting
+ or session.type == "s2sin" or session.type == "s2sout" then
+ return; -- Ok, we're connect[ed|ing]
+ end
+ -- Not connected, need to close session and clean up
+ (session.log or log)("debug", "Destroying incomplete session %s->%s due to inactivity",
+ session.from_host or "(unknown)", session.to_host or "(unknown)");
+ session:close("connection-timeout");
+ end);
+end
+
+function listener.onconnect(conn)
+ if not sessions[conn] then -- May be an existing outgoing session
+ local session = s2s_new_incoming(conn);
+ sessions[conn] = session;
+ session.log("debug", "Incoming s2s connection");
+
+ local filter = initialize_filters(session);
+ local w = conn.write;
+ session.sends2s = function (t)
+ log("debug", "sending: %s", t.top_tag and t:top_tag() or t:match("^([^>]*>?)"));
+ if t.name then
+ t = filter("stanzas/out", t);
+ end
+ if t then
+ t = filter("bytes/out", tostring(t));
+ if t then
+ return w(conn, t);
+ end
+ end
+ end
+
+ initialize_session(session);
+ end
+end
+
+function listener.onincoming(conn, data)
+ local session = sessions[conn];
+ if session then
+ session.data(data);
+ end
+end
+
+function listener.onstatus(conn, status)
+ if status == "ssl-handshake-complete" then
+ local session = sessions[conn];
+ if session and session.direction == "outgoing" then
+ local to_host, from_host = session.to_host, session.from_host;
+ session.log("debug", "Sending stream header...");
+ session:open_stream(session.from_host, session.to_host);
+ end
+ end
+end
+
+function listener.ondisconnect(conn, err)
+ local session = sessions[conn];
+ if session then
+ if stream_callbacks.streamdisconnected(session, err) then
+ return; -- Connection lives, for now
+ end
+ end
+ sessions[conn] = nil;
+end
+
+function listener.register_outgoing(conn, session)
+ session.direction = "outgoing";
+ sessions[conn] = session;
+ initialize_session(session);
+end
+
+s2sout.set_listener(listener);
+
+module:add_item("net-provider", {
+ name = "s2s";
+ listener = listener;
+ default_port = 5269;
+ encryption = "starttls";
+ multiplex = {
+ pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:server%1.*>";
+ };
+});
+
diff --git a/plugins/s2s/s2sout.lib.lua b/plugins/s2s/s2sout.lib.lua
new file mode 100644
index 00000000..af55b273
--- /dev/null
+++ b/plugins/s2s/s2sout.lib.lua
@@ -0,0 +1,346 @@
+-- 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.
+--
+
+--- Module containing all the logic for connecting to a remote server
+
+local portmanager = require "core.portmanager";
+local wrapclient = require "net.server".wrapclient;
+local initialize_filters = require "util.filters".initialize;
+local idna_to_ascii = require "util.encodings".idna.to_ascii;
+local add_task = require "util.timer".add_task;
+local new_ip = require "util.ip".new_ip;
+local rfc3484_dest = require "util.rfc3484".destination;
+local socket = require "socket";
+local t_insert, t_sort, ipairs = table.insert, table.sort, ipairs;
+local st = require "util.stanza";
+
+local s2s_new_outgoing = require "core.s2smanager".new_outgoing;
+local s2s_destroy_session = require "core.s2smanager".destroy_session;
+
+local sources = {};
+
+local max_dns_depth = module:get_option_number("dns_max_depth", 3);
+
+local s2sout = {};
+
+local s2s_listener;
+
+
+function s2sout.set_listener(listener)
+ s2s_listener = listener;
+end
+
+local function compare_srv_priorities(a,b)
+ return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight);
+end
+
+local function session_open_stream(session, from, to)
+ session.sends2s(st.stanza("stream:stream", {
+ xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback',
+ ["xmlns:stream"]='http://etherx.jabber.org/streams',
+ from=from, to=to, version='1.0', ["xml:lang"]='en'}):top_tag());
+end
+
+function s2sout.initiate_connection(host_session)
+ initialize_filters(host_session);
+ host_session.open_stream = session_open_stream;
+
+ -- Kick the connection attempting machine into life
+ if not s2sout.attempt_connection(host_session) then
+ -- Intentionally not returning here, the
+ -- session is needed, connected or not
+ s2s_destroy_session(host_session);
+ end
+
+ if not host_session.sends2s then
+ -- A sends2s which buffers data (until the stream is opened)
+ -- note that data in this buffer will be sent before the stream is authed
+ -- and will not be ack'd in any way, successful or otherwise
+ local buffer;
+ function host_session.sends2s(data)
+ if not buffer then
+ buffer = {};
+ host_session.send_buffer = buffer;
+ end
+ log("debug", "Buffering data on unconnected s2sout to %s", to_host);
+ buffer[#buffer+1] = data;
+ log("debug", "Buffered item %d: %s", #buffer, tostring(data));
+ end
+ end
+end
+
+function s2sout.attempt_connection(host_session, err)
+ local from_host, to_host = host_session.from_host, host_session.to_host;
+ local connect_host, connect_port = to_host and idna_to_ascii(to_host), 5269;
+
+ if not connect_host then
+ return false;
+ end
+
+ if not err then -- This is our first attempt
+ log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host);
+ host_session.connecting = true;
+ local handle;
+ handle = adns.lookup(function (answer)
+ handle = nil;
+ host_session.connecting = nil;
+ if answer then
+ log("debug", to_host.." has SRV records, handling...");
+ local srv_hosts = {};
+ host_session.srv_hosts = srv_hosts;
+ for _, record in ipairs(answer) do
+ t_insert(srv_hosts, record.srv);
+ end
+ if #srv_hosts == 1 and srv_hosts[1].target == "." then
+ log("debug", to_host.." does not provide a XMPP service");
+ s2s_destroy_session(host_session, err); -- Nothing to see here
+ return;
+ end
+ t_sort(srv_hosts, compare_srv_priorities);
+
+ local srv_choice = srv_hosts[1];
+ host_session.srv_choice = 1;
+ if srv_choice then
+ connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port;
+ log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port);
+ end
+ else
+ log("debug", to_host.." has no SRV records, falling back to A");
+ end
+ -- Try with SRV, or just the plain hostname if no SRV
+ local ok, err = s2sout.try_connect(host_session, connect_host, connect_port);
+ if not ok then
+ if not s2sout.attempt_connection(host_session, err) then
+ -- No more attempts will be made
+ s2s_destroy_session(host_session, err);
+ end
+ end
+ end, "_xmpp-server._tcp."..connect_host..".", "SRV");
+
+ return true; -- Attempt in progress
+ elseif host_session.ip_hosts then
+ return s2sout.try_connect(host_session, connect_host, connect_port, err);
+ elseif host_session.srv_hosts and #host_session.srv_hosts > host_session.srv_choice then -- Not our first attempt, and we also have SRV
+ host_session.srv_choice = host_session.srv_choice + 1;
+ local srv_choice = host_session.srv_hosts[host_session.srv_choice];
+ connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port;
+ host_session.log("info", "Connection failed (%s). Attempt #%d: This time to %s:%d", tostring(err), host_session.srv_choice, connect_host, connect_port);
+ else
+ host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host));
+ -- We're out of options
+ return false;
+ end
+
+ if not (connect_host and connect_port) then
+ -- Likely we couldn't resolve DNS
+ log("warn", "Hmm, we're without a host (%s) and port (%s) to connect to for %s, giving up :(", tostring(connect_host), tostring(connect_port), tostring(to_host));
+ return false;
+ end
+
+ return s2sout.try_connect(host_session, connect_host, connect_port);
+end
+
+function s2sout.try_next_ip(host_session)
+ host_session.connecting = nil;
+ host_session.ip_choice = host_session.ip_choice + 1;
+ local ip = host_session.ip_hosts[host_session.ip_choice];
+ local ok, err= s2sout.make_connect(host_session, ip.ip, ip.port);
+ if not ok then
+ if not s2sout.attempt_connection(host_session, err or "closed") then
+ err = err and (": "..err) or "";
+ s2s_destroy_session(host_session, "Connection failed"..err);
+ end
+ end
+end
+
+function s2sout.try_connect(host_session, connect_host, connect_port, err)
+ host_session.connecting = true;
+
+ if not err then
+ local IPs = {};
+ host_session.ip_hosts = IPs;
+ local handle4, handle6;
+ local has_other = false;
+
+ handle4 = adns.lookup(function (reply, err)
+ handle4 = nil;
+
+ -- COMPAT: This is a compromise for all you CNAME-(ab)users :)
+ if not (reply and reply[#reply] and reply[#reply].a) then
+ local count = max_dns_depth;
+ reply = dns.peek(connect_host, "CNAME", "IN");
+ while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do
+ log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count);
+ reply = dns.peek(reply[#reply].cname, "A", "IN") or dns.peek(reply[#reply].cname, "CNAME", "IN");
+ count = count - 1;
+ end
+ end
+ -- end of CNAME resolving
+
+ if reply and reply[#reply] and reply[#reply].a then
+ for _, ip in ipairs(reply) do
+ log("debug", "DNS reply for %s gives us %s", connect_host, ip.a);
+ IPs[#IPs+1] = new_ip(ip.a, "IPv4");
+ end
+ end
+
+ if has_other then
+ if #IPs > 0 then
+ rfc3484_dest(host_session.ip_hosts, sources);
+ for i = 1, #IPs do
+ IPs[i] = {ip = IPs[i], port = connect_port};
+ end
+ host_session.ip_choice = 0;
+ s2sout.try_next_ip(host_session);
+ else
+ log("debug", "DNS lookup failed to get a response for %s", connect_host);
+ host_session.ip_hosts = nil;
+ if not s2sout.attempt_connection(host_session, "name resolution failed") then -- Retry if we can
+ log("debug", "No other records to try for %s - destroying", host_session.to_host);
+ err = err and (": "..err) or "";
+ s2s_destroy_session(host_session, "DNS resolution failed"..err); -- End of the line, we can't
+ end
+ end
+ else
+ has_other = true;
+ end
+ end, connect_host, "A", "IN");
+
+ handle6 = adns.lookup(function (reply, err)
+ handle6 = nil;
+
+ if reply and reply[#reply] and reply[#reply].aaaa then
+ for _, ip in ipairs(reply) do
+ log("debug", "DNS reply for %s gives us %s", connect_host, ip.aaaa);
+ IPs[#IPs+1] = new_ip(ip.aaaa, "IPv6");
+ end
+ end
+
+ if has_other then
+ if #IPs > 0 then
+ rfc3484_dest(host_session.ip_hosts, sources);
+ for i = 1, #IPs do
+ IPs[i] = {ip = IPs[i], port = connect_port};
+ end
+ host_session.ip_choice = 0;
+ s2sout.try_next_ip(host_session);
+ else
+ log("debug", "DNS lookup failed to get a response for %s", connect_host);
+ host_session.ip_hosts = nil;
+ if not s2sout.attempt_connection(host_session, "name resolution failed") then -- Retry if we can
+ log("debug", "No other records to try for %s - destroying", host_session.to_host);
+ err = err and (": "..err) or "";
+ s2s_destroy_session(host_session, "DNS resolution failed"..err); -- End of the line, we can't
+ end
+ end
+ else
+ has_other = true;
+ end
+ end, connect_host, "AAAA", "IN");
+
+ return true;
+ elseif host_session.ip_hosts and #host_session.ip_hosts > host_session.ip_choice then -- Not our first attempt, and we also have IPs left to try
+ s2sout.try_next_ip(host_session);
+ else
+ host_session.ip_hosts = nil;
+ if not s2sout.attempt_connection(host_session, "out of IP addresses") then -- Retry if we can
+ log("debug", "No other records to try for %s - destroying", host_session.to_host);
+ err = err and (": "..err) or "";
+ s2s_destroy_session(host_session, "Connecting failed"..err); -- End of the line, we can't
+ return false;
+ end
+ end
+
+ return true;
+end
+
+function s2sout.make_connect(host_session, connect_host, connect_port)
+ (host_session.log or log)("info", "Beginning new connection attempt to %s ([%s]:%d)", host_session.to_host, connect_host.addr, connect_port);
+ -- Ok, we're going to try to connect
+
+ local from_host, to_host = host_session.from_host, host_session.to_host;
+
+ local conn, handler;
+ if connect_host.proto == "IPv4" then
+ conn, handler = socket.tcp();
+ else
+ conn, handler = socket.tcp6();
+ end
+
+ if not conn then
+ log("warn", "Failed to create outgoing connection, system error: %s", handler);
+ return false, handler;
+ end
+
+ conn:settimeout(0);
+ local success, err = conn:connect(connect_host.addr, connect_port);
+ if not success and err ~= "timeout" then
+ log("warn", "s2s connect() to %s (%s:%d) failed: %s", host_session.to_host, connect_host.addr, connect_port, err);
+ return false, err;
+ end
+
+ conn = wrapclient(conn, connect_host.addr, connect_port, s2s_listener, "*a");
+ host_session.conn = conn;
+
+ local filter = initialize_filters(host_session);
+ local w, log = conn.write, host_session.log;
+ host_session.sends2s = function (t)
+ log("debug", "sending: %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?"));
+ if t.name then
+ t = filter("stanzas/out", t);
+ end
+ if t then
+ t = filter("bytes/out", tostring(t));
+ if t then
+ return w(conn, tostring(t));
+ end
+ end
+ end
+
+ -- Register this outgoing connection so that xmppserver_listener knows about it
+ -- otherwise it will assume it is a new incoming connection
+ s2s_listener.register_outgoing(conn, host_session);
+
+ host_session:open_stream(from_host, to_host);
+
+ log("debug", "Connection attempt in progress...");
+ return true;
+end
+
+module:hook_global("service-added", function (event)
+ if event.name ~= "s2s" then return end
+
+ local s2s_sources = portmanager.get_active_services():get("s2s");
+ if not s2s_sources then
+ module:log("warn", "s2s not listening on any ports, outgoing connections may fail");
+ return;
+ end
+ for source, _ in pairs(s2s_sources) do
+ if source == "*" or source == "0.0.0.0" then
+ if not socket.local_addresses then
+ sources[#sources + 1] = new_ip("0.0.0.0", "IPv4");
+ else
+ for _, addr in ipairs(socket.local_addresses("ipv4", true)) do
+ sources[#sources + 1] = new_ip(addr, "IPv4");
+ end
+ end
+ elseif source == "::" then
+ if not socket.local_addresses then
+ sources[#sources + 1] = new_ip("::", "IPv6");
+ else
+ for _, addr in ipairs(socket.local_addresses("ipv6", true)) do
+ sources[#sources + 1] = new_ip(addr, "IPv6");
+ end
+ end
+ else
+ sources[#sources + 1] = new_ip(source, (source:find(":") and "IPv6") or "IPv4");
+ end
+ end
+end);
+
+return s2sout;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 12:46:06 +0000