#!/usr/bin/env lua
-- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- 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");
--- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- --
+-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-if CFG_SOURCEDIR then
- package.path = CFG_SOURCEDIR.."/?.lua;"..package.path;
- package.cpath = CFG_SOURCEDIR.."/?.so;"..package.cpath;
+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
-package.path = package.path..";"..(CFG_SOURCEDIR or ".").."/fallbacks/?.lua";
-package.cpath = package.cpath..";"..(CFG_SOURCEDIR or ".").."/fallbacks/?.so";
+-- Tell Lua where to find our libraries
+if CFG_SOURCEDIR then
+ 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"
+-- -- -- --
+-- Define the functions we call during startup, the
+-- actual startup happens right at the end, where these
+-- functions get called
+
function read_config()
- -- 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");
+ 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
function load_libraries()
- --- Initialize logging
- require "core.loggingmanager"
-
- --- Check runtime dependencies
- require "util.dependencies"
-
- --- Load socket framework
+ -- Load socket framework
server = require "net.server"
end
+function init_logging()
+ -- Initialize logging
+ require "core.loggingmanager"
+end
+
+function log_dependency_warnings()
+ dependencies.log_warnings();
+end
+
+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
+
+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_newindex, _realG_mt.__newindex = _realG_mt.__newindex, curr_env;
+ local ret = _real_require(...);
+ _realG_mt.__newindex = old_newindex;
+ return ret;
+ end
+ return _real_require(...);
+ end
+end
+
+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
+
function init_global_state()
bare_sessions = {};
full_sessions = {};
hosts = {};
- -- Global 'prosody' object
- prosody = {};
- local prosody = prosody;
-
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,
- plugins = CFG_PLUGINDIR, data = CFG_DATADIR };
-
+ plugins = CFG_PLUGINDIR or "plugins", data = data_path };
+
prosody.arg = _G.arg;
- prosody.events = require "util.events".new();
+ 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("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
-- Function to reopen logfiles
function prosody.reopen_logfiles()
log("info", "Re-opening log files");
- eventmanager.fire_event("reopen-log-files"); -- Handled by appropriate log sinks
prosody.events.fire_event("reopen-log-files");
end
-- 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
+
+ -- 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 cl = require "net.connlisteners";
+ function prosody.net_activate_ports(option, listener, default, conntype)
+ conntype = conntype or (global_ssl_ctx and "tls") or "tcp";
+ local ports_option = option and option.."_ports" or "ports";
+ if not cl.get(listener) then return; end
+ local ports = config.get("*", "core", ports_option) or default;
+ if type(ports) == "number" then ports = {ports} end;
+
+ if type(ports) ~= "table" then
+ log("error", "core."..ports_option.." is not a table");
+ else
+ for _, port in ipairs(ports) do
+ port = tonumber(port);
+ if type(port) ~= "number" then
+ log("error", "Non-numeric "..ports_option..": "..tostring(port));
+ else
+ local ok, err = cl.start(listener, {
+ ssl = conntype == "ssl" and global_ssl_ctx,
+ port = port,
+ interface = (option and config.get("*", "core", option.."_interface"))
+ or cl.get(listener).default_interface
+ or config.get("*", "core", "interface"),
+ type = conntype
+ });
+ if not ok then
+ local friendly_message = err;
+ if err:match(" in use") then
+ if port == 5222 or port == 5223 or port == 5269 then
+ friendly_message = "check that Prosody or another XMPP server is "
+ .."not already running and using this port";
+ elseif port == 80 or port == 81 then
+ friendly_message = "check that a HTTP server is not already using "
+ .."this port";
+ elseif port == 5280 then
+ friendly_message = "check that Prosody or a BOSH connection manager "
+ .."is not already running";
+ else
+ friendly_message = "this port is in use by another application";
+ end
+ elseif err:match("permission") then
+ friendly_message = "Prosody does not have sufficient privileges to use this port";
+ elseif err == "no ssl context" then
+ if not config.get("*", "core", "ssl") then
+ friendly_message = "there is no 'ssl' config under Host \"*\" which is "
+ .."require for legacy SSL ports";
+ else
+ friendly_message = "initializing SSL support failed, see previous log entries";
+ end
+ end
+ log("error", "Failed to open server port %d, %s", port, friendly_message);
+ end
+ end
+ end
+ end
+ end
end
function read_version()
function load_secondary_libraries()
--- Load and initialise core modules
require "util.import"
- require "core.xmlhandlers"
+ require "util.xmppstream"
require "core.rostermanager"
- require "core.eventmanager"
require "core.hostmanager"
require "core.modulemanager"
require "core.usermanager"
require "core.sessionmanager"
require "core.stanza_router"
+ package.loaded['core.componentmanager'] = setmetatable({},{__index=function()
+ log("warn", "componentmanager is deprecated: %s", debug.traceback():match("\n[^\n]*\n[\s\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
--[[
]]
require "net.connlisteners";
+ require "net.httpserver";
require "util.stanza"
require "util.jid"
end
function init_data_store()
- local data_path = config.get("*", "core", "data_path") or CFG_DATADIR or "data";
- require "util.datamanager".set_data_path(data_path);
- require "util.datamanager".add_callback(function(username, host, datastore, data)
- if config.get(host, "core", "anonymous_login") then
- return false;
- end
- return username, host, datastore, data;
- end);
+ require "core.storagemanager";
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
- eventmanager.fire_event("server-starting");
prosody.events.fire_event("server-starting");
- -- Load SSL settings from config, and create a ctx table
- 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
-
- local cl = require "net.connlisteners";
-- 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")
- or cl.get(listener).default_interface
- or config.get("*", "core", "interface"),
- type = conntype
- });
- end
- end
+ if config.get("*", "core", "ports") then
+ prosody.net_activate_ports(nil, "multiplex", {5222, 5269});
+ if config.get("*", "core", "ssl_ports") then
+ prosody.net_activate_ports("ssl", "multiplex", {5223}, "ssl");
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("component", "xmppcomponent", {}, "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" })
+ else
+ prosody.net_activate_ports("c2s", "xmppclient", {5222});
+ prosody.net_activate_ports("s2s", "xmppserver", {5269});
+ prosody.net_activate_ports("component", "xmppcomponent", {5347}, "tcp");
+ prosody.net_activate_ports("legacy_ssl", "xmppclient", {}, "ssl");
end
prosody.start_time = os.time();
end
function init_global_protection()
- -- 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 }
+ -- 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);
function loop()
-- Error handler for errors that make it this far
local function catch_uncaught_error(err)
- if err:match("%d*: interrupted!$") then
+ if type(err) == "string" and err:match("interrupted!$") then
return "quitting";
end
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("system-shutdown");
+ session:close(reason);
end
end
end
server.setquitting(true);
end
+-- 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();
-prepare_to_start();
init_global_protection();
+prepare_to_start();
-eventmanager.fire_event("server-started");
prosody.events.fire_event("server-started");
loop();
log("info", "Shutting down...");
cleanup();
-eventmanager.fire_event("server-stopped");
prosody.events.fire_event("server-stopped");
log("info", "Shutdown complete");
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