#!/usr/bin/env lua -- 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. -- -- prosodyctl - command-line controller for Prosody XMPP server -- Will be modified by configure script if run -- CFG_SOURCEDIR=os.getenv("PROSODY_SRCDIR"); CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR"); 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 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 -- Global 'prosody' object local prosody = { hosts = {}; events = require "util.events".new(); platform = "posix"; lock_globals = function () end; unlock_globals = function () end; installed = CFG_SOURCEDIR ~= nil; core_post_stanza = function () end; -- TODO: mod_router! }; _G.prosody = prosody; local dependencies = require "util.dependencies"; if not dependencies.check_dependencies() then os.exit(1); end config = require "core.configmanager" local ENV_CONFIG; do 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 table.remove(arg, 1); table.remove(arg, 1); 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(); ENV_CONFIG = filename; 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"); 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))); print(""); elseif level == "file" then print("Prosody was unable to find the configuration file."); print("We looked for: "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua"); print("A sample config file is included in the Prosody download called prosody.cfg.lua.dist"); print("Copy or rename it to prosody.cfg.lua and edit as necessary."); end print("More help on configuring Prosody can be found at http://prosody.im/doc/configure"); print("Good luck!"); print("**************************"); print(""); os.exit(1); end end local original_logging_config = config.get("*", "log"); config.set("*", "log", { { levels = { min="info" }, to = "console" } }); local data_path = config.get("*", "data_path") or CFG_DATADIR or "data"; local custom_plugin_paths = config.get("*", "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 or "plugins", data = data_path }; if prosody.installed then -- Change working directory to data path. require "lfs".chdir(data_path); end require "core.loggingmanager" dependencies.log_warnings(); -- Switch away from root and into the prosody user -- local switched_user, current_uid; local want_pposix_version = "0.3.5"; local ok, pposix = pcall(require, "util.pposix"); if ok and pposix then if pposix._VERSION ~= want_pposix_version then print(string.format("Unknown version (%s) of binary pposix module, expected %s", tostring(pposix._VERSION), want_pposix_version)); return; end current_uid = pposix.getuid(); if current_uid == 0 then -- We haz root! local desired_user = config.get("*", "prosody_user") or "prosody"; local desired_group = config.get("*", "prosody_group") or desired_user; local ok, err = pposix.setgid(desired_group); if ok then ok, err = pposix.initgroups(desired_user); end if ok then ok, err = pposix.setuid(desired_user); if ok then -- Yay! switched_user = true; end end if not switched_user then -- Boo! print("Warning: Couldn't switch to Prosody user/group '"..tostring(desired_user).."'/'"..tostring(desired_group).."': "..tostring(err)); end end -- Set our umask to protect data files pposix.umask(config.get("*", "umask") or "027"); pposix.setenv("HOME", data_path); pposix.setenv("PROSODY_CONFIG", ENV_CONFIG); else print("Error: Unable to load pposix module. Check that Prosody is installed correctly.") print("For more help send the below error to us through http://prosody.im/discuss"); print(tostring(pposix)) os.exit(1); end local function test_writeable(filename) local f, err = io.open(filename, "a"); if not f then return false, err; end f:close(); return true; end local unwriteable_files = {}; if type(original_logging_config) == "string" and original_logging_config:sub(1,1) ~= "*" then local ok, err = test_writeable(original_logging_config); if not ok then table.insert(unwriteable_files, err); end elseif type(original_logging_config) == "table" then for _, rule in ipairs(original_logging_config) do if rule.filename then local ok, err = test_writeable(rule.filename); if not ok then table.insert(unwriteable_files, err); end end end end if #unwriteable_files > 0 then print("One of more of the Prosody log files are not"); print("writeable, please correct the errors and try"); print("starting prosodyctl again."); print(""); for _, err in ipairs(unwriteable_files) do print(err); end print(""); os.exit(1); end local error_messages = setmetatable({ ["invalid-username"] = "The given username is invalid in a Jabber ID"; ["invalid-hostname"] = "The given hostname is invalid"; ["no-password"] = "No password was supplied"; ["no-such-user"] = "The given user does not exist on the server"; ["no-such-host"] = "The given hostname does not exist in the config"; ["unable-to-save-data"] = "Unable to store, perhaps you don't have permission?"; ["no-pidfile"] = "There is no 'pidfile' option in the configuration file, see http://prosody.im/doc/prosodyctl#pidfile for help"; ["no-posix"] = "The mod_posix module is not enabled in the Prosody config file, see http://prosody.im/doc/prosodyctl for more info"; ["no-such-method"] = "This module has no commands"; ["not-running"] = "Prosody is not running"; }, { __index = function (t,k) return "Error: "..(tostring(k):gsub("%-", " "):gsub("^.", string.upper)); end }); hosts = prosody.hosts; local function make_host(hostname) return { type = "local", events = prosody.events, modules = {}, users = require "core.usermanager".new_null_provider(hostname) }; end for hostname, config in pairs(config.getconfig()) do hosts[hostname] = make_host(hostname); end local modulemanager = require "core.modulemanager" local prosodyctl = require "util.prosodyctl" require "socket" ----------------------- -- FIXME: Duplicate code waiting for util.startup 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 local show_message, show_warning = prosodyctl.show_message, prosodyctl.show_warning; local show_usage = prosodyctl.show_usage; local getchar, getpass = prosodyctl.getchar, prosodyctl.getpass; local show_yesno = prosodyctl.show_yesno; local show_prompt = prosodyctl.show_prompt; local read_password = prosodyctl.read_password; local prosodyctl_timeout = (config.get("*", "prosodyctl_timeout") or 5) * 2; ----------------------- local commands = {}; local command = arg[1]; function commands.adduser(arg) if not arg[1] or arg[1] == "--help" then show_usage([[adduser JID]], [[Create the specified user account in Prosody]]); return 1; end local user, host = arg[1]:match("([^@]+)@(.+)"); if not user and host then show_message [[Failed to understand JID, please supply the JID you want to create]] show_usage [[adduser user@host]] return 1; end if not host then show_message [[Please specify a JID, including a host. e.g. alice@example.com]]; return 1; end if not hosts[host] then show_warning("The host '%s' is not listed in the configuration file (or is not enabled).", host) show_warning("The user will not be able to log in until this is changed."); hosts[host] = make_host(host); end if prosodyctl.user_exists{ user = user, host = host } then show_message [[That user already exists]]; return 1; end local password = read_password(); if not password then return 1; end local ok, msg = prosodyctl.adduser { user = user, host = host, password = password }; if ok then return 0; end show_message(msg) return 1; end function commands.passwd(arg) if not arg[1] or arg[1] == "--help" then show_usage([[passwd JID]], [[Set the password for the specified user account in Prosody]]); return 1; end local user, host = arg[1]:match("([^@]+)@(.+)"); if not user and host then show_message [[Failed to understand JID, please supply the JID you want to set the password for]] show_usage [[passwd user@host]] return 1; end if not host then show_message [[Please specify a JID, including a host. e.g. alice@example.com]]; return 1; end if not hosts[host] then show_warning("The host '%s' is not listed in the configuration file (or is not enabled).", host) show_warning("The user will not be able to log in until this is changed."); hosts[host] = make_host(host); end if not prosodyctl.user_exists { user = user, host = host } then show_message [[That user does not exist, use prosodyctl adduser to create a new user]] return 1; end local password = read_password(); if not password then return 1; end local ok, msg = prosodyctl.passwd { user = user, host = host, password = password }; if ok then return 0; end show_message(error_messages[msg]) return 1; end function commands.deluser(arg) if not arg[1] or arg[1] == "--help" then show_usage([[deluser JID]], [[Permanently remove the specified user account from Prosody]]); return 1; end local user, host = arg[1]:match("([^@]+)@(.+)"); if not user and host then show_message [[Failed to understand JID, please supply the JID you want to set the password for]] show_usage [[passwd user@host]] return 1; end if not host then show_message [[Please specify a JID, including a host. e.g. alice@example.com]]; return 1; end if not hosts[host] then show_warning("The host '%s' is not listed in the configuration file (or is not enabled).", host) show_warning("The user will not be able to log in until this is changed."); hosts[host] = make_host(host); end if not prosodyctl.user_exists { user = user, host = host } then show_message [[That user does not exist on this server]] return 1; end local ok, msg = prosodyctl.deluser { user = user, host = host }; if ok then return 0; end show_message(error_messages[msg]) return 1; end function commands.start(arg) if arg[1] == "--help" then show_usage([[start]], [[Start Prosody]]); return 1; end local ok, ret = prosodyctl.isrunning(); if not ok then show_message(error_messages[ret]); return 1; end if ret then local ok, ret = prosodyctl.getpid(); if not ok then show_message("Couldn't get running Prosody's PID"); show_message(error_messages[ret]); return 1; end show_message("Prosody is already running with PID %s", ret or "(unknown)"); return 1; end local ok, ret = prosodyctl.start(); if ok then if config.get("*", "daemonize") ~= false then local i=1; while true do local ok, running = prosodyctl.isrunning(); if ok and running then break; elseif i == 5 then show_message("Still waiting..."); elseif i >= prosodyctl_timeout then show_message("Prosody is still not running. Please give it some time or check your log files for errors."); return 2; end socket.sleep(0.5); i = i + 1; end show_message("Started"); end return 0; end show_message("Failed to start Prosody"); show_message(error_messages[ret]) return 1; end function commands.status(arg) if arg[1] == "--help" then show_usage([[status]], [[Reports the running status of Prosody]]); return 1; end local ok, ret = prosodyctl.isrunning(); if not ok then show_message(error_messages[ret]); return 1; end if ret then local ok, ret = prosodyctl.getpid(); if not ok then show_message("Couldn't get running Prosody's PID"); show_message(error_messages[ret]); return 1; end show_message("Prosody is running with PID %s", ret or "(unknown)"); return 0; else show_message("Prosody is not running"); if not switched_user and current_uid ~= 0 then print("\nNote:") print(" You will also see this if prosodyctl is not running under"); print(" the same user account as Prosody. Try running as root (e.g. "); print(" with 'sudo' in front) to gain access to Prosody's real status."); end return 2 end return 1; end function commands.stop(arg) if arg[1] == "--help" then show_usage([[stop]], [[Stop a running Prosody server]]); return 1; end if not prosodyctl.isrunning() then show_message("Prosody is not running"); return 1; end local ok, ret = prosodyctl.stop(); if ok then local i=1; while true do local ok, running = prosodyctl.isrunning(); if ok and not running then break; elseif i == 5 then show_message("Still waiting..."); elseif i >= prosodyctl_timeout then show_message("Prosody is still running. Please give it some time or check your log files for errors."); return 2; end socket.sleep(0.5); i = i + 1; end show_message("Stopped"); return 0; end show_message(error_messages[ret]); return 1; end function commands.restart(arg) if arg[1] == "--help" then show_usage([[restart]], [[Restart a running Prosody server]]); return 1; end commands.stop(arg); return commands.start(arg); end function commands.about(arg) read_version(); if arg[1] == "--help" then show_usage([[about]], [[Show information about this Prosody installation]]); return 1; end local array = require "util.array"; local keys = require "util.iterators".keys; print("Prosody "..(prosody.version or "(unknown version)")); print(""); print("# Prosody directories"); print("Data directory: ", CFG_DATADIR or "./"); print("Plugin directory:", CFG_PLUGINDIR or "./"); print("Config directory:", CFG_CONFIGDIR or "./"); print("Source directory:", CFG_SOURCEDIR or "./"); print(""); print("# Lua environment"); print("Lua version: ", _G._VERSION); print(""); print("Lua module search paths:"); for path in package.path:gmatch("[^;]+") do print(" "..path); end print(""); print("Lua C module search paths:"); for path in package.cpath:gmatch("[^;]+") do print(" "..path); end print(""); local luarocks_status = (pcall(require, "luarocks.loader") and "Installed ("..(luarocks.cfg.program_version or "2.x+")..")") or (pcall(require, "luarocks.require") and "Installed (1.x)") or "Not installed"; print("LuaRocks: ", luarocks_status); print(""); print("# Lua module versions"); local module_versions, longest_name = {}, 8; for name, module in pairs(package.loaded) do if type(module) == "table" and rawget(module, "_VERSION") and name ~= "_G" and not name:match("%.") then if #name > longest_name then longest_name = #name; end module_versions[name] = module._VERSION; end end local sorted_keys = array.collect(keys(module_versions)):sort(); for _, name in ipairs(array.collect(keys(module_versions)):sort()) do print(name..":"..string.rep(" ", longest_name-#name), module_versions[name]); end print(""); end function commands.reload(arg) if arg[1] == "--help" then show_usage([[reload]], [[Reload Prosody's configuration and re-open log files]]); return 1; end if not prosodyctl.isrunning() then show_message("Prosody is not running"); return 1; end local ok, ret = prosodyctl.reload(); if ok then show_message("Prosody log files re-opened and config file reloaded. You may need to reload modules for some changes to take effect."); return 0; end show_message(error_messages[ret]); return 1; end -- ejabberdctl compatibility function commands.register(arg) local user, host, password = unpack(arg); if (not (user and host)) or arg[1] == "--help" then if user ~= "--help" then if not user then show_message [[No username specified]] elseif not host then show_message [[Please specify which host you want to register the user on]]; end end show_usage("register USER HOST [PASSWORD]", "Register a user on the server, with the given password"); return 1; end if not password then password = read_password(); if not password then show_message [[Unable to register user with no password]]; return 1; end end local ok, msg = prosodyctl.adduser { user = user, host = host, password = password }; if ok then return 0; end show_message(error_messages[msg]) return 1; end function commands.unregister(arg) local user, host = unpack(arg); if (not (user and host)) or arg[1] == "--help" then if user ~= "--help" then if not user then show_message [[No username specified]] elseif not host then show_message [[Please specify which host you want to unregister the user from]]; end end show_usage("unregister USER HOST [PASSWORD]", "Permanently remove a user account from the server"); return 1; end local ok, msg = prosodyctl.deluser { user = user, host = host }; if ok then return 0; end show_message(error_messages[msg]) return 1; end local openssl; local lfs; local cert_commands = {}; local function ask_overwrite(filename) return lfs.attributes(filename) and not show_yesno("Overwrite "..filename .. "?"); end function cert_commands.config(arg) if #arg >= 1 and arg[1] ~= "--help" then local conf_filename = (CFG_DATADIR or ".") .. "/" .. arg[1] .. ".cnf"; if ask_overwrite(conf_filename) then return nil, conf_filename; end local conf = openssl.config.new(); conf:from_prosody(hosts, config, arg); for k, v in pairs(conf.distinguished_name) do local nv; if k == "commonName" then v = arg[1] elseif k == "emailAddress" then v = "xmpp@" .. arg[1]; end nv = show_prompt(("%s (%s):"):format(k, nv or v)); nv = (not nv or nv == "") and v or nv; if nv:find"[\192-\252][\128-\191]+" then conf.req.string_mask = "utf8only" end conf.distinguished_name[k] = nv ~= "." and nv or nil; end local conf_file = io.open(conf_filename, "w"); conf_file:write(conf:serialize()); conf_file:close(); print(""); show_message("Config written to " .. conf_filename); return nil, conf_filename; else show_usage("cert config HOSTNAME [HOSTNAME+]", "Builds a certificate config file covering the supplied hostname(s)") end end function cert_commands.key(arg) if #arg >= 1 and arg[1] ~= "--help" then local key_filename = (CFG_DATADIR or ".") .. "/" .. arg[1] .. ".key"; if ask_overwrite(key_filename) then return nil, key_filename; end os.remove(key_filename); -- This file, if it exists is unlikely to have write permissions local key_size = tonumber(arg[2] or show_prompt("Choose key size (2048):") or 2048); local old_umask = pposix.umask("0377"); if openssl.genrsa{out=key_filename, key_size} then os.execute(("chmod 400 '%s'"):format(key_filename)); show_message("Key written to ".. key_filename); pposix.umask(old_umask); return nil, key_filename; end show_message("There was a problem, see OpenSSL output"); else show_usage("cert key HOSTNAME <bits>", "Generates a RSA key named HOSTNAME.key\n " .."Prompts for a key size if none given") end end function cert_commands.request(arg) if #arg >= 1 and arg[1] ~= "--help" then local req_filename = (CFG_DATADIR or ".") .. "/" .. arg[1] .. ".req"; if ask_overwrite(req_filename) then return nil, req_filename; end local _, key_filename = cert_commands.key({arg[1]}); local _, conf_filename = cert_commands.config(arg); if openssl.req{new=true, key=key_filename, utf8=true, config=conf_filename, out=req_filename} then show_message("Certificate request written to ".. req_filename); else show_message("There was a problem, see OpenSSL output"); end else show_usage("cert request HOSTNAME [HOSTNAME+]", "Generates a certificate request for the supplied hostname(s)") end end function cert_commands.generate(arg) if #arg >= 1 and arg[1] ~= "--help" then local cert_filename = (CFG_DATADIR or ".") .. "/" .. arg[1] .. ".crt"; if ask_overwrite(cert_filename) then return nil, cert_filename; end local _, key_filename = cert_commands.key({arg[1]}); local _, conf_filename = cert_commands.config(arg); local ret; if key_filename and conf_filename and cert_filename and openssl.req{new=true, x509=true, nodes=true, key=key_filename, days=365, sha1=true, utf8=true, config=conf_filename, out=cert_filename} then show_message("Certificate written to ".. cert_filename); else show_message("There was a problem, see OpenSSL output"); end else show_usage("cert generate HOSTNAME [HOSTNAME+]", "Generates a self-signed certificate for the current hostname(s)") end end function commands.cert(arg) if #arg >= 1 and arg[1] ~= "--help" then openssl = require "util.openssl"; lfs = require "lfs"; local subcmd = table.remove(arg, 1); if type(cert_commands[subcmd]) == "function" then if not arg[1] then show_message"You need to supply at least one hostname" arg = { "--help" }; end if arg[1] ~= "--help" and not hosts[arg[1]] then show_message(error_messages["no-such-host"]); return end return cert_commands[subcmd](arg); end end show_usage("cert config|request|generate|key", "Helpers for generating X.509 certificates and keys.") end --------------------- if command and command:match("^mod_") then -- Is a command in a module local module_name = command:match("^mod_(.+)"); local ret, err = modulemanager.load("*", module_name); if not ret then show_message("Failed to load module '"..module_name.."': "..err); os.exit(1); end table.remove(arg, 1); local module = modulemanager.get_module("*", module_name); if not module then show_message("Failed to load module '"..module_name.."': Unknown error"); os.exit(1); end if not modulemanager.module_has_method(module, "command") then show_message("Fail: mod_"..module_name.." does not support any commands"); os.exit(1); end local ok, ret = modulemanager.call_module_method(module, "command", arg); if ok then if type(ret) == "number" then os.exit(ret); elseif type(ret) == "string" then show_message(ret); end os.exit(0); -- :) else show_message("Failed to execute command: "..error_messages[ret]); os.exit(1); -- :( end end if not commands[command] then -- Show help for all commands function show_usage(usage, desc) print(" "..usage); print(" "..desc); end print("prosodyctl - Manage a Prosody server"); print(""); print("Usage: "..arg[0].." COMMAND [OPTIONS]"); print(""); print("Where COMMAND may be one of:\n"); local hidden_commands = require "util.set".new{ "register", "unregister", "addplugin" }; local commands_order = { "adduser", "passwd", "deluser", "start", "stop", "restart", "reload", "about" }; local done = {}; for _, command_name in ipairs(commands_order) do local command = commands[command_name]; if command then command{ "--help" }; print"" done[command_name] = true; end end for command_name, command in pairs(commands) do if not done[command_name] and not hidden_commands:contains(command_name) then command{ "--help" }; print"" done[command_name] = true; end end os.exit(0); end os.exit(commands[command]({ select(2, unpack(arg)) }));