3 -- Copyright (C) 2008-2010 Matthew Wild
4 -- Copyright (C) 2008-2010 Waqas Hussain
6 -- This project is MIT/X11 licensed. Please see the
7 -- COPYING file in the source package for more information.
10 -- prosody - main executable for Prosody XMPP server
12 -- Will be modified by configure script if run --
14 CFG_SOURCEDIR=os.getenv("PROSODY_SRCDIR");
15 CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR");
16 CFG_PLUGINDIR=os.getenv("PROSODY_PLUGINDIR");
17 CFG_DATADIR=os.getenv("PROSODY_DATADIR");
19 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
21 local function is_relative(path)
22 local path_sep = package.config:sub(1,1);
23 return ((path_sep == "/" and path:sub(1,1) ~= "/")
24 or (path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\")))
27 -- Tell Lua where to find our libraries
29 local function filter_relative_paths(path)
30 if is_relative(path) then return ""; end
32 local function sanitise_paths(paths)
33 return (paths:gsub("[^;]+;?", filter_relative_paths):gsub(";;+", ";"));
35 package.path = sanitise_paths(CFG_SOURCEDIR.."/?.lua;"..package.path);
36 package.cpath = sanitise_paths(CFG_SOURCEDIR.."/?.so;"..package.cpath);
39 -- Substitute ~ with path to home directory in data path
41 if os.getenv("HOME") then
42 CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));
46 -- Global 'prosody' object
47 local prosody = { events = require "util.events".new(); };
51 local dependencies = require "util.dependencies";
52 if not dependencies.check_dependencies() then
56 -- Load the config-parsing module
57 config = require "core.configmanager"
60 -- Define the functions we call during startup, the
61 -- actual startup happens right at the end, where these
62 -- functions get called
64 function read_config()
68 if arg[1] == "--config" and arg[2] then
69 table.insert(filenames, arg[2]);
71 table.insert(filenames, CFG_CONFIGDIR.."/"..arg[2]);
74 for _, format in ipairs(config.parsers()) do
75 table.insert(filenames, (CFG_CONFIGDIR or ".").."/prosody.cfg."..format);
78 for _,_filename in ipairs(filenames) do
80 local file = io.open(filename);
83 CFG_CONFIGDIR = filename:match("^(.*)[\\/][^\\/]*$");
87 local ok, level, err = config.load(filename);
90 print("**************************");
91 if level == "parser" then
92 print("A problem occured while reading the config file "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua"..":");
94 local err_line, err_message = tostring(err):match("%[string .-%]:(%d*): (.*)");
95 if err:match("chunk has too many syntax levels$") then
96 print("An Include statement in a config file is including an already-included");
97 print("file and causing an infinite loop. An Include statement in a config file is...");
99 print("Error"..(err_line and (" on line "..err_line) or "")..": "..(err_message or tostring(err)));
102 elseif level == "file" then
103 print("Prosody was unable to find the configuration file.");
104 print("We looked for: "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua");
105 print("A sample config file is included in the Prosody download called prosody.cfg.lua.dist");
106 print("Copy or rename it to prosody.cfg.lua and edit as necessary.");
108 print("More help on configuring Prosody can be found at http://prosody.im/doc/configure");
110 print("**************************");
116 function load_libraries()
117 -- Load socket framework
118 server = require "net.server"
121 function init_logging()
122 -- Initialize logging
123 require "core.loggingmanager"
126 function log_dependency_warnings()
127 dependencies.log_warnings();
130 function sandbox_require()
131 -- Replace require() with one that doesn't pollute _G, required
132 -- for neat sandboxing of modules
134 local _real_require = require;
135 function require(...)
136 local curr_env = getfenv(2);
137 local curr_env_mt = getmetatable(getfenv(2));
138 local _realG_mt = getmetatable(_realG);
139 if curr_env_mt and curr_env_mt.__index and not curr_env_mt.__newindex and _realG_mt then
141 old_newindex, _realG_mt.__newindex = _realG_mt.__newindex, curr_env;
142 local ret = _real_require(...);
143 _realG_mt.__newindex = old_newindex;
146 return _real_require(...);
150 function set_function_metatable()
152 function mt.__index(f, upvalue)
153 local i, name, value = 0;
156 name, value = debug.getupvalue(f, i);
157 until name == upvalue or name == nil;
160 function mt.__newindex(f, upvalue, value)
164 name = debug.getupvalue(f, i);
165 until name == upvalue or name == nil;
167 debug.setupvalue(f, i, value);
170 function mt.__tostring(f)
171 local info = debug.getinfo(f);
172 return ("function(%s:%d)"):format(info.short_src:match("[^\\/]*$"), info.linedefined);
174 debug.setmetatable(function() end, mt);
177 function init_global_state()
182 prosody.bare_sessions = bare_sessions;
183 prosody.full_sessions = full_sessions;
184 prosody.hosts = hosts;
186 local data_path = config.get("*", "core", "data_path") or CFG_DATADIR or "data";
187 local custom_plugin_paths = config.get("*", "core", "plugin_paths");
188 if custom_plugin_paths then
189 CFG_PLUGINDIR = table.concat(custom_plugin_paths, package.config:sub(3,3)); -- path1;path2;path3
191 prosody.paths = { source = CFG_SOURCEDIR, config = CFG_CONFIGDIR,
192 plugins = CFG_PLUGINDIR, data = data_path };
194 prosody.arg = _G.arg;
196 prosody.platform = "unknown";
197 if os.getenv("WINDIR") then
198 prosody.platform = "windows";
199 elseif package.config:sub(1,1) == "/" then
200 prosody.platform = "posix";
203 prosody.installed = nil;
204 if CFG_SOURCEDIR and (prosody.platform == "windows" or CFG_SOURCEDIR:match("^/")) then
205 prosody.installed = true;
208 -- Function to reload the config file
209 function prosody.reload_config()
210 log("info", "Reloading configuration file");
211 prosody.events.fire_event("reloading-config");
212 local ok, level, err = config.load((rawget(_G, "CFG_CONFIGDIR") or ".").."/prosody.cfg.lua");
214 if level == "parser" then
215 log("error", "There was an error parsing the configuration file: %s", tostring(err));
216 elseif level == "file" then
217 log("error", "Couldn't read the config file when trying to reload: %s", tostring(err));
220 return ok, (err and tostring(level)..": "..tostring(err)) or nil;
223 -- Function to reopen logfiles
224 function prosody.reopen_logfiles()
225 log("info", "Re-opening log files");
226 prosody.events.fire_event("reopen-log-files");
229 -- Function to initiate prosody shutdown
230 function prosody.shutdown(reason)
231 log("info", "Shutting down: %s", reason or "unknown reason");
232 prosody.shutdown_reason = reason;
233 prosody.events.fire_event("server-stopping", {reason = reason});
234 server.setquitting(true);
237 -- Load SSL settings from config, and create a ctx table
238 local certmanager = require "core.certmanager";
239 local global_ssl_ctx = certmanager.create_context("*", "server");
240 prosody.global_ssl_ctx = global_ssl_ctx;
242 local cl = require "net.connlisteners";
243 function prosody.net_activate_ports(option, listener, default, conntype)
244 conntype = conntype or (global_ssl_ctx and "tls") or "tcp";
245 local ports_option = option and option.."_ports" or "ports";
246 if not cl.get(listener) then return; end
247 local ports = config.get("*", "core", ports_option) or default;
248 if type(ports) == "number" then ports = {ports} end;
250 if type(ports) ~= "table" then
251 log("error", "core."..ports_option.." is not a table");
253 for _, port in ipairs(ports) do
254 port = tonumber(port);
255 if type(port) ~= "number" then
256 log("error", "Non-numeric "..ports_option..": "..tostring(port));
258 local ok, err = cl.start(listener, {
259 ssl = conntype == "ssl" and global_ssl_ctx,
261 interface = (option and config.get("*", "core", option.."_interface"))
262 or cl.get(listener).default_interface
263 or config.get("*", "core", "interface"),
267 local friendly_message = err;
268 if err:match(" in use") then
269 if port == 5222 or port == 5223 or port == 5269 then
270 friendly_message = "check that Prosody or another XMPP server is "
271 .."not already running and using this port";
272 elseif port == 80 or port == 81 then
273 friendly_message = "check that a HTTP server is not already using "
275 elseif port == 5280 then
276 friendly_message = "check that Prosody or a BOSH connection manager "
277 .."is not already running";
279 friendly_message = "this port is in use by another application";
281 elseif err:match("permission") then
282 friendly_message = "Prosody does not have sufficient privileges to use this port";
283 elseif err == "no ssl context" then
284 if not config.get("*", "core", "ssl") then
285 friendly_message = "there is no 'ssl' config under Host \"*\" which is "
286 .."require for legacy SSL ports";
288 friendly_message = "initializing SSL support failed, see previous log entries";
291 log("error", "Failed to open server port %d, %s", port, friendly_message);
299 function read_version()
300 -- Try to determine version
301 local version_file = io.open((CFG_SOURCEDIR or ".").."/prosody.version");
303 prosody.version = version_file:read("*a"):gsub("%s*$", "");
304 version_file:close();
305 if #prosody.version == 12 and prosody.version:match("^[a-f0-9]+$") then
306 prosody.version = "hg:"..prosody.version;
309 prosody.version = "unknown";
313 function load_secondary_libraries()
314 --- Load and initialise core modules
315 require "util.import"
316 require "util.xmppstream"
317 require "core.rostermanager"
318 require "core.hostmanager"
319 require "core.modulemanager"
320 require "core.usermanager"
321 require "core.sessionmanager"
322 require "core.stanza_router"
323 package.loaded['core.componentmanager'] = setmetatable({},{__index=function()
324 log("warn", "componentmanager is deprecated: %s", debug.traceback():match("\n[^\n]*\n[\s\t]*([^\n]*)"));
325 return function() end
331 require "util.datetime"
332 require "util.iterators"
334 require "util.helpers"
336 pcall(require, "util.signal") -- Not on Windows
338 -- Commented to protect us from
339 -- the second kind of people
341 pcall(require, "remdebug.engine");
342 if remdebug then remdebug.engine.start() end
345 require "net.connlisteners";
347 require "util.stanza"
351 function init_data_store()
352 require "core.storagemanager";
355 function prepare_to_start()
356 log("info", "Prosody is using the %s backend for connection handling", server.get_backend());
357 -- Signal to modules that we are ready to start
358 prosody.events.fire_event("server-starting");
360 -- start listening on sockets
361 if config.get("*", "core", "ports") then
362 prosody.net_activate_ports(nil, "multiplex", {5222, 5269});
363 if config.get("*", "core", "ssl_ports") then
364 prosody.net_activate_ports("ssl", "multiplex", {5223}, "ssl");
367 prosody.net_activate_ports("c2s", "xmppclient", {5222});
368 prosody.net_activate_ports("s2s", "xmppserver", {5269});
369 prosody.net_activate_ports("component", "xmppcomponent", {5347}, "tcp");
370 prosody.net_activate_ports("legacy_ssl", "xmppclient", {}, "ssl");
373 prosody.start_time = os.time();
376 function init_global_protection()
377 -- Catch global accesses
378 local locked_globals_mt = {
379 __index = function (t, k) log("warn", "%s", debug.traceback("Attempt to read a non-existent global '"..tostring(k).."'", 2)); end;
380 __newindex = function (t, k, v) error("Attempt to set a global: "..tostring(k).." = "..tostring(v), 2); end;
383 function prosody.unlock_globals()
384 setmetatable(_G, nil);
387 function prosody.lock_globals()
388 setmetatable(_G, locked_globals_mt);
392 prosody.lock_globals();
396 -- Error handler for errors that make it this far
397 local function catch_uncaught_error(err)
398 if type(err) == "string" and err:match("interrupted!$") then
402 log("error", "Top-level error, please report:\n%s", tostring(err));
403 local traceback = debug.traceback("", 2);
405 log("error", "%s", traceback);
408 prosody.events.fire_event("very-bad-error", {error = err, traceback = traceback});
411 while select(2, xpcall(server.loop, catch_uncaught_error)) ~= "quitting" do
417 log("info", "Shutdown status: Cleaning up");
418 prosody.events.fire_event("server-cleanup");
420 -- Ok, we're quitting I know, but we
421 -- need to do some tidying before we go :)
422 server.setquitting(false);
424 log("info", "Shutdown status: Closing all active sessions");
425 for hostname, host in pairs(hosts) do
426 log("debug", "Shutdown status: Closing client connections for %s", hostname)
427 if host.sessions then
428 local reason = { condition = "system-shutdown", text = "Server is shutting down" };
429 if prosody.shutdown_reason then
430 reason.text = reason.text..": "..prosody.shutdown_reason;
432 for username, user in pairs(host.sessions) do
433 for resource, session in pairs(user.sessions) do
434 log("debug", "Closing connection for %s@%s/%s", username, hostname, resource);
435 session:close(reason);
440 log("debug", "Shutdown status: Closing outgoing s2s connections from %s", hostname);
442 for remotehost, session in pairs(host.s2sout) do
443 if session.close then
444 session:close("system-shutdown");
446 log("warn", "Unable to close outgoing s2s session to %s, no session:close()?!", remotehost);
452 log("info", "Shutdown status: Closing all server connections");
455 server.setquitting(true);
459 -- These actions are in a strict order, as many depend on
460 -- previous steps to have already been performed
464 set_function_metatable();
468 log("info", "Hello and welcome to Prosody version %s", prosody.version);
469 log_dependency_warnings();
470 load_secondary_libraries();
472 init_global_protection();
475 prosody.events.fire_event("server-started");
479 log("info", "Shutting down...");
481 prosody.events.fire_event("server-stopped");
482 log("info", "Shutdown complete");