#!/usr/bin/env lua
--- Prosody IM v0.4
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- 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.
--
+-- prosody - main executable for Prosody XMPP server
+
-- Will be modified by configure script if run --
-CFG_SOURCEDIR=nil;
+CFG_SOURCEDIR=os.getenv("PROSODY_SRCDIR");
CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR");
-CFG_PLUGINDIR=nil;
+CFG_PLUGINDIR=os.getenv("PROSODY_PLUGINDIR");
CFG_DATADIR=os.getenv("PROSODY_DATADIR");
--- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- --
+-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
+
+local function is_relative(path)
+ local path_sep = package.config:sub(1,1);
+ return ((path_sep == "/" and path:sub(1,1) ~= "/")
+ or (path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\")))
+end
+-- Tell Lua where to find our libraries
if CFG_SOURCEDIR then
- package.path = CFG_SOURCEDIR.."/?.lua;"..package.path
- package.cpath = CFG_SOURCEDIR.."/?.so;"..package.cpath
+ local function filter_relative_paths(path)
+ if is_relative(path) then return ""; end
+ end
+ local function sanitise_paths(paths)
+ return (paths:gsub("[^;]+;?", filter_relative_paths):gsub(";;+", ";"));
+ end
+ package.path = sanitise_paths(CFG_SOURCEDIR.."/?.lua;"..package.path);
+ package.cpath = sanitise_paths(CFG_SOURCEDIR.."/?.so;"..package.cpath);
end
+-- Substitute ~ with path to home directory in data path
if CFG_DATADIR then
if os.getenv("HOME") then
CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));
end
end
--- Required to be able to find packages installed with luarocks
-pcall(require, "luarocks.require")
+-- Global 'prosody' object
+local prosody = { events = require "util.events".new(); };
+_G.prosody = prosody;
+-- Check dependencies
+local dependencies = require "util.dependencies";
+if not dependencies.check_dependencies() then
+ os.exit(1);
+end
+-- Load the config-parsing module
config = require "core.configmanager"
-do
- -- TODO: Check for other formats when we add support for them
- -- Use lfs? Make a new conf/ dir?
- local ok, level, err = config.load((CFG_CONFIGDIR or ".").."/prosody.cfg.lua");
+-- -- -- --
+-- Define the functions we call during startup, the
+-- actual startup happens right at the end, where these
+-- functions get called
+
+function read_config()
+ local filenames = {};
+
+ local filename;
+ if arg[1] == "--config" and arg[2] then
+ table.insert(filenames, arg[2]);
+ if CFG_CONFIGDIR then
+ table.insert(filenames, CFG_CONFIGDIR.."/"..arg[2]);
+ end
+ else
+ for _, format in ipairs(config.parsers()) do
+ table.insert(filenames, (CFG_CONFIGDIR or ".").."/prosody.cfg."..format);
+ end
+ end
+ for _,_filename in ipairs(filenames) do
+ filename = _filename;
+ local file = io.open(filename);
+ if file then
+ file:close();
+ CFG_CONFIGDIR = filename:match("^(.*)[\\/][^\\/]*$");
+ break;
+ end
+ end
+ local ok, level, err = config.load(filename);
if not ok then
print("\n");
print("**************************");
if level == "parser" then
- print("A problem occured while reading the config file "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua");
+ print("A problem occured while reading the config file "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua"..":");
+ print("");
local err_line, err_message = tostring(err):match("%[string .-%]:(%d*): (.*)");
- print("Error"..(err_line and (" on line "..err_line) or "")..": "..(err_message or tostring(err)));
+ if err:match("chunk has too many syntax levels$") then
+ print("An Include statement in a config file is including an already-included");
+ print("file and causing an infinite loop. An Include statement in a config file is...");
+ else
+ print("Error"..(err_line and (" on line "..err_line) or "")..": "..(err_message or tostring(err)));
+ end
print("");
elseif level == "file" then
print("Prosody was unable to find the configuration file.");
end
end
---- Initialize logging
-require "core.loggingmanager"
-
---- Check runtime dependencies
-require "util.dependencies"
-
---- Load socket framework
-local server = require "net.server"
-
+function load_libraries()
+ -- Load socket framework
+ server = require "net.server"
+end
+function init_logging()
+ -- Initialize logging
+ require "core.loggingmanager"
+end
--- Maps connections to sessions --
-sessions = {};
-hosts = {};
-
---- Load and initialise core modules
-require "util.import"
-require "core.xmlhandlers"
-require "core.rostermanager"
-require "core.eventmanager"
-require "core.hostmanager"
-require "core.modulemanager"
-require "core.usermanager"
-require "core.sessionmanager"
-require "core.stanza_router"
+function log_dependency_warnings()
+ dependencies.log_warnings();
+end
-require "util.array"
-require "util.iterators"
-require "util.timer"
+function sanity_check()
+ for host, host_config in pairs(configmanager.getconfig()) do
+ if host ~= "*"
+ and host_config.core.enabled ~= false
+ and not host_config.core.component_module then
+ return;
+ end
+ end
+ log("error", "No enabled VirtualHost entries found in the config file.");
+ log("error", "At least one active host is required for Prosody to function. Exiting...");
+ os.exit(1);
+end
--- Commented to protect us from
--- the second kind of people
---[[
-pcall(require, "remdebug.engine");
-if remdebug then remdebug.engine.start() end
-]]
+function sandbox_require()
+ -- Replace require() with one that doesn't pollute _G, required
+ -- for neat sandboxing of modules
+ local _realG = _G;
+ local _real_require = require;
+ function require(...)
+ local curr_env = getfenv(2);
+ local curr_env_mt = getmetatable(getfenv(2));
+ local _realG_mt = getmetatable(_realG);
+ if curr_env_mt and curr_env_mt.__index and not curr_env_mt.__newindex and _realG_mt then
+ local old_newindex, old_index;
+ old_newindex, _realG_mt.__newindex = _realG_mt.__newindex, curr_env;
+ old_index, _realG_mt.__index = _realG_mt.__index, function (_G, k)
+ return rawget(curr_env, k);
+ end;
+ local ret = _real_require(...);
+ _realG_mt.__newindex = old_newindex;
+ _realG_mt.__index = old_index;
+ return ret;
+ end
+ return _real_require(...);
+ end
+end
-local cl = require "net.connlisteners";
+function set_function_metatable()
+ local mt = {};
+ function mt.__index(f, upvalue)
+ local i, name, value = 0;
+ repeat
+ i = i + 1;
+ name, value = debug.getupvalue(f, i);
+ until name == upvalue or name == nil;
+ return value;
+ end
+ function mt.__newindex(f, upvalue, value)
+ local i, name = 0;
+ repeat
+ i = i + 1;
+ name = debug.getupvalue(f, i);
+ until name == upvalue or name == nil;
+ if name then
+ debug.setupvalue(f, i, value);
+ end
+ end
+ function mt.__tostring(f)
+ local info = debug.getinfo(f);
+ return ("function(%s:%d)"):format(info.short_src:match("[^\\/]*$"), info.linedefined);
+ end
+ debug.setmetatable(function() end, mt);
+end
-require "util.stanza"
-require "util.jid"
+function init_global_state()
+ bare_sessions = {};
+ full_sessions = {};
+ hosts = {};
-------------------------------------------------------------------------
+ prosody.bare_sessions = bare_sessions;
+ prosody.full_sessions = full_sessions;
+ prosody.hosts = hosts;
+
+ local data_path = config.get("*", "core", "data_path") or CFG_DATADIR or "data";
+ local custom_plugin_paths = config.get("*", "core", "plugin_paths");
+ if custom_plugin_paths then
+ local path_sep = package.config:sub(3,3);
+ -- path1;path2;path3;defaultpath...
+ CFG_PLUGINDIR = table.concat(custom_plugin_paths, path_sep)..path_sep..(CFG_PLUGINDIR or "plugins");
+ end
+ prosody.paths = { source = CFG_SOURCEDIR, config = CFG_CONFIGDIR or ".",
+ plugins = CFG_PLUGINDIR or "plugins", data = data_path };
+ prosody.arg = _G.arg;
-------------- Begin code without a home ---------------------
+ prosody.platform = "unknown";
+ if os.getenv("WINDIR") then
+ prosody.platform = "windows";
+ elseif package.config:sub(1,1) == "/" then
+ prosody.platform = "posix";
+ end
+
+ prosody.installed = nil;
+ if CFG_SOURCEDIR and (prosody.platform == "windows" or CFG_SOURCEDIR:match("^/")) then
+ prosody.installed = true;
+ end
+
+ -- Function to reload the config file
+ function prosody.reload_config()
+ log("info", "Reloading configuration file");
+ prosody.events.fire_event("reloading-config");
+ local ok, level, err = config.load((rawget(_G, "CFG_CONFIGDIR") or ".").."/prosody.cfg.lua");
+ if not ok then
+ if level == "parser" then
+ log("error", "There was an error parsing the configuration file: %s", tostring(err));
+ elseif level == "file" then
+ log("error", "Couldn't read the config file when trying to reload: %s", tostring(err));
+ end
+ end
+ return ok, (err and tostring(level)..": "..tostring(err)) or nil;
+ end
-local data_path = config.get("*", "core", "data_path") or CFG_DATADIR or "data";
-require "util.datamanager".set_data_path(data_path);
-require "util.datamanager".set_callback(function(username, host, datastore)
- return config.get(host, "core", "anonymous_login");
-end);
+ -- Function to reopen logfiles
+ function prosody.reopen_logfiles()
+ log("info", "Re-opening log files");
+ prosody.events.fire_event("reopen-log-files");
+ end
------------ End of out-of-place code --------------
+ -- Function to initiate prosody shutdown
+ function prosody.shutdown(reason)
+ log("info", "Shutting down: %s", reason or "unknown reason");
+ prosody.shutdown_reason = reason;
+ prosody.events.fire_event("server-stopping", {reason = reason});
+ server.setquitting(true);
+ end
-eventmanager.fire_event("server-starting");
+ -- Load SSL settings from config, and create a ctx table
+ local certmanager = require "core.certmanager";
+ local global_ssl_ctx = certmanager.create_context("*", "server");
+ prosody.global_ssl_ctx = global_ssl_ctx;
-local global_ssl_ctx = ssl and config.get("*", "core", "ssl");
-if global_ssl_ctx then
- local default_ssl_ctx = { mode = "server", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none"; };
- setmetatable(global_ssl_ctx, { __index = default_ssl_ctx });
end
--- start listening on sockets
-function net_activate_ports(option, listener, default, conntype)
- local ports = config.get("*", "core", option.."_ports") or default;
- if type(ports) == "number" then ports = {ports} end;
-
- if type(ports) ~= "table" then
- log("error", "core."..option.." is not a table");
- else
- for _, port in ipairs(ports) do
- if type(port) ~= "number" then
- log("error", "Non-numeric "..option.."_ports: "..tostring(port));
- else
- cl.start(listener, {
- ssl = conntype ~= "tcp" and global_ssl_ctx,
- port = port,
- interface = config.get("*", "core", option.."_interface"),
- type = conntype
- });
- end
+function read_version()
+ -- Try to determine version
+ local version_file = io.open((CFG_SOURCEDIR or ".").."/prosody.version");
+ if version_file then
+ prosody.version = version_file:read("*a"):gsub("%s*$", "");
+ version_file:close();
+ if #prosody.version == 12 and prosody.version:match("^[a-f0-9]+$") then
+ prosody.version = "hg:"..prosody.version;
end
+ else
+ prosody.version = "unknown";
end
end
-net_activate_ports("c2s", "xmppclient", {5222}, (global_ssl_ctx and "tls") or "tcp");
-net_activate_ports("s2s", "xmppserver", {5269}, "tcp");
-net_activate_ports("legacy_ssl", "xmppclient", {}, "ssl");
-
-if cl.get("console") then
- cl.start("console", { interface = config.get("*", "core", "console_interface") or "127.0.0.1" })
+function load_secondary_libraries()
+ --- Load and initialise core modules
+ require "util.import"
+ require "util.xmppstream"
+ require "core.rostermanager"
+ require "core.stanza_router"
+ require "core.hostmanager"
+ require "core.portmanager"
+ require "core.modulemanager"
+ require "core.usermanager"
+ require "core.sessionmanager"
+ package.loaded['core.componentmanager'] = setmetatable({},{__index=function()
+ log("warn", "componentmanager is deprecated: %s", debug.traceback():match("\n[^\n]*\n[ \t]*([^\n]*)"));
+ return function() end
+ end});
+
+ require "net.http"
+
+ require "util.array"
+ require "util.datetime"
+ require "util.iterators"
+ require "util.timer"
+ require "util.helpers"
+
+ pcall(require, "util.signal") -- Not on Windows
+
+ -- Commented to protect us from
+ -- the second kind of people
+ --[[
+ pcall(require, "remdebug.engine");
+ if remdebug then remdebug.engine.start() end
+ ]]
+
+ require "util.stanza"
+ require "util.jid"
end
--- Global function to initiate prosody shutdown
-function prosody_shutdown(reason)
- log("info", "Shutting down: %s", reason or "unknown reason");
- eventmanager.fire_event("server-stopping", { reason = reason });
- server.setquitting(true);
+function init_data_store()
+ require "core.storagemanager";
end
--- Catch global accesses --
-local locked_globals_mt = { __index = function (t, k) error("Attempt to read a non-existent global '"..k.."'", 2); end, __newindex = function (t, k, v) error("Attempt to set a global: "..tostring(k).." = "..tostring(v), 2); end }
-
-function unlock_globals()
- setmetatable(_G, nil);
-end
+function prepare_to_start()
+ log("info", "Prosody is using the %s backend for connection handling", server.get_backend());
+ -- Signal to modules that we are ready to start
+ prosody.events.fire_event("server-starting");
+ prosody.start_time = os.time();
+end
+
+function init_global_protection()
+ -- Catch global accesses
+ local locked_globals_mt = {
+ __index = function (t, k) log("warn", "%s", debug.traceback("Attempt to read a non-existent global '"..tostring(k).."'", 2)); end;
+ __newindex = function (t, k, v) error("Attempt to set a global: "..tostring(k).." = "..tostring(v), 2); end;
+ };
+
+ function prosody.unlock_globals()
+ setmetatable(_G, nil);
+ end
+
+ function prosody.lock_globals()
+ setmetatable(_G, locked_globals_mt);
+ end
-function lock_globals()
- setmetatable(_G, locked_globals_mt);
+ -- And lock now...
+ prosody.lock_globals();
end
--- And lock now...
-lock_globals();
-
-eventmanager.fire_event("server-started");
-
--- Error handler for errors that make it this far
-local function catch_uncaught_error(err)
- if err:match("%d*: interrupted!$") then
- return "quitting";
+function loop()
+ -- Error handler for errors that make it this far
+ local function catch_uncaught_error(err)
+ if type(err) == "string" and err:match("interrupted!$") then
+ return "quitting";
+ end
+
+ log("error", "Top-level error, please report:\n%s", tostring(err));
+ local traceback = debug.traceback("", 2);
+ if traceback then
+ log("error", "%s", traceback);
+ end
+
+ prosody.events.fire_event("very-bad-error", {error = err, traceback = traceback});
end
- log("error", "Top-level error, please report:\n%s", tostring(err));
- local traceback = debug.traceback("", 2);
- if traceback then
- log("error", "%s", traceback);
+ while select(2, xpcall(server.loop, catch_uncaught_error)) ~= "quitting" do
+ socket.sleep(0.2);
end
-
- eventmanager.fire_event("very-bad-error", "*", err, traceback);
-end
-
-while select(2, xpcall(server.loop, catch_uncaught_error)) ~= "quitting" do
- socket.sleep(0.2);
end
-log("info", "Shutdown status: Cleaning up");
-eventmanager.fire_event("server-cleanup");
-
--- Ok, we're quitting I know, but we
--- need to do some tidying before we go :)
-server.setquitting(false);
-
-for hostname, host in pairs(hosts) do
- log("info", "Shutdown status: Closing client connections for %s", hostname)
- if host.sessions then
- for username, user in pairs(host.sessions) do
- for resource, session in pairs(user.sessions) do
- log("debug", "Closing connection for %s@%s/%s", username, hostname, resource);
- session:close("system-shutdown");
+function cleanup()
+ log("info", "Shutdown status: Cleaning up");
+ prosody.events.fire_event("server-cleanup");
+
+ -- Ok, we're quitting I know, but we
+ -- need to do some tidying before we go :)
+ server.setquitting(false);
+
+ log("info", "Shutdown status: Closing all active sessions");
+ for hostname, host in pairs(hosts) do
+ log("debug", "Shutdown status: Closing client connections for %s", hostname)
+ if host.sessions then
+ local reason = { condition = "system-shutdown", text = "Server is shutting down" };
+ if prosody.shutdown_reason then
+ reason.text = reason.text..": "..prosody.shutdown_reason;
+ end
+ for username, user in pairs(host.sessions) do
+ for resource, session in pairs(user.sessions) do
+ log("debug", "Closing connection for %s@%s/%s", username, hostname, resource);
+ session:close(reason);
+ end
end
end
- end
- log("info", "Shutdown status: Closing outgoing s2s connections from %s", hostname);
- if host.s2sout then
- for remotehost, session in pairs(host.s2sout) do
- if session.close then
- session:close("system-shutdown");
- else
- log("warn", "Unable to close outgoing s2s session to %s, no session:close()?!", remotehost);
+ log("debug", "Shutdown status: Closing outgoing s2s connections from %s", hostname);
+ if host.s2sout then
+ for remotehost, session in pairs(host.s2sout) do
+ if session.close then
+ session:close("system-shutdown");
+ else
+ log("warn", "Unable to close outgoing s2s session to %s, no session:close()?!", remotehost);
+ end
end
end
end
-end
-log("info", "Shutdown status: Closing all server connections");
-server.closeall();
+ log("info", "Shutdown status: Closing all server connections");
+ server.closeall();
+
+ server.setquitting(true);
+end
-server.setquitting(true);
+-- Are you ready? :)
+-- These actions are in a strict order, as many depend on
+-- previous steps to have already been performed
+read_config();
+init_logging();
+sanity_check();
+sandbox_require();
+set_function_metatable();
+load_libraries();
+init_global_state();
+read_version();
+log("info", "Hello and welcome to Prosody version %s", prosody.version);
+log_dependency_warnings();
+load_secondary_libraries();
+init_data_store();
+init_global_protection();
+prepare_to_start();
+
+prosody.events.fire_event("server-started");
+
+loop();
+
+log("info", "Shutting down...");
+cleanup();
+prosody.events.fire_event("server-stopped");
+log("info", "Shutdown complete");
-eventmanager.fire_event("server-stopped");
-log("info", "Shutdown status: Complete!");