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prosodyctl @ 5959:9e3b15199ec5
net/server_select: addclient: Check for failure correctly; remove wrapconnection call on failure
author | daurnimator <quae@daurnimator.com> |
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date | Wed, 18 Dec 2013 17:54:31 -0500 |
parent | 5809:be997c6a69be |
child | 6038:b3ceb7627e27 |
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#!/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 = "0.3.6"; 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) local jid_split = require "util.jid".split; 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 = jid_split(arg[1]); 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) local jid_split = require "util.jid".split; 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 = jid_split(arg[1]); 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) local jid_split = require "util.jid".split; 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 = jid_split(arg[1]); 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 "./certs") .. "/" .. 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); show_message("Please provide details to include in the certificate config file."); show_message("Leave the field empty to use the default value or '.' to exclude the field.") for i, k in ipairs(openssl._DN_order) do local v = conf.distinguished_name[k]; if v then local nv; if k == "commonName" then v = arg[1] elseif k == "emailAddress" then v = "xmpp@" .. arg[1]; elseif k == "countryName" then local tld = arg[1]:match"%.([a-z]+)$"; if tld and #tld == 2 and tld ~= "uk" then v = tld:upper(); end 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 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 "./certs") .. "/" .. 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 "./certs") .. "/" .. 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 "./certs") .. "/" .. 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 function commands.check(arg) if arg[1] == "--help" then show_usage([[check]], [[Perform basic checks on your Prosody installation]]); return 1; end local what = table.remove(arg, 1); local array, set = require "util.array", require "util.set"; local it = require "util.iterators"; local ok = true; if not what or what == "config" then print("Checking config..."); local known_global_options = set.new({ "pidfile", "log", "plugin_paths", "prosody_user", "prosody_group", "daemonize", "umask", "prosodyctl_timeout", "use_ipv6", "use_libevent", "network_settings" }); local config = config.getconfig(); -- Check that we have any global options (caused by putting a host at the top) if it.count(it.filter("log", pairs(config["*"]))) == 0 then ok = false; print(""); print(" No global options defined. Perhaps you have put a host definition at the top") print(" of the config file? They should be at the bottom, see http://prosody.im/doc/configure#overview"); end -- Check for global options under hosts local global_options = set.new(it.to_array(it.keys(config["*"]))); for host, options in it.filter("*", pairs(config)) do local host_options = set.new(it.to_array(it.keys(options))); local misplaced_options = set.intersection(host_options, known_global_options); for name in pairs(options) do if name:match("^interfaces?") or name:match("_ports?$") or name:match("_interfaces?$") or name:match("_ssl$") then misplaced_options:add(name); end end if not misplaced_options:empty() then ok = false; print(""); local n = it.count(misplaced_options); print(" You have "..n.." option"..(n>1 and "s " or " ").."set under "..host.." that should be"); print(" in the global section of the config file, above any VirtualHost or Component definitions,") print(" see http://prosody.im/doc/configure#overview for more information.") print(""); print(" You need to move the following option"..(n>1 and "s" or "")..": "..table.concat(it.to_array(misplaced_options), ", ")); end local subdomain = host:match("^[^.]+"); if not(host_options:contains("component_module")) and (subdomain == "jabber" or subdomain == "xmpp" or subdomain == "chat" or subdomain == "im") then print(""); print(" Suggestion: If "..host.. " is a new host with no real users yet, consider renaming it now to"); print(" "..host:gsub("^[^.]+%.", "")..". You can use SRV records to redirect XMPP clients and servers to "..host.."."); print(" For more information see: http://prosody.im/doc/dns"); end end print("Done.\n"); end if not what or what == "dns" then local dns = require "net.dns"; local idna = require "util.encodings".idna; local ip = require "util.ip"; local c2s_ports = set.new(config.get("*", "c2s_ports") or {5222}); local s2s_ports = set.new(config.get("*", "s2s_ports") or {5269}); local c2s_srv_required, s2s_srv_required; if not c2s_ports:contains(5222) then c2s_srv_required = true; end if not s2s_ports:contains(5269) then s2s_srv_required = true; end local problem_hosts = set.new(); local external_addresses, internal_addresses = set.new(), set.new(); local fqdn = socket.dns.tohostname(socket.dns.gethostname()); if fqdn then local res = dns.lookup(idna.to_ascii(fqdn), "A"); if res then for _, record in ipairs(res) do external_addresses:add(record.a); end end local res = dns.lookup(idna.to_ascii(fqdn), "AAAA"); if res then for _, record in ipairs(res) do external_addresses:add(record.aaaa); end end end local local_addresses = require"util.net".local_addresses() or {}; for addr in it.values(local_addresses) do if not ip.new_ip(addr).private then external_addresses:add(addr); else internal_addresses:add(addr); end end if external_addresses:empty() then print(""); print(" Failed to determine the external addresses of this server. Checks may be inaccurate."); c2s_srv_required, s2s_srv_required = true, true; end local v6_supported = not not socket.tcp6; for host, host_options in it.filter("*", pairs(config.getconfig())) do local all_targets_ok, some_targets_ok = true, false; local is_component = not not host_options.component_module; print("Checking DNS for "..(is_component and "component" or "host").." "..host.."..."); local target_hosts = set.new(); if not is_component then local res = dns.lookup("_xmpp-client._tcp."..idna.to_ascii(host)..".", "SRV"); if res then for _, record in ipairs(res) do target_hosts:add(record.srv.target); if not c2s_ports:contains(record.srv.port) then print(" SRV target "..record.srv.target.." contains unknown client port: "..record.srv.port); end end else if c2s_srv_required then print(" No _xmpp-client SRV record found for "..host..", but it looks like you need one."); all_targst_ok = false; else target_hosts:add(host); end end end local res = dns.lookup("_xmpp-server._tcp."..idna.to_ascii(host)..".", "SRV"); if res then for _, record in ipairs(res) do target_hosts:add(record.srv.target); if not s2s_ports:contains(record.srv.port) then print(" SRV target "..record.srv.target.." contains unknown server port: "..record.srv.port); end end else if s2s_srv_required then print(" No _xmpp-server SRV record found for "..host..", but it looks like you need one."); all_targets_ok = false; else target_hosts:add(host); end end if target_hosts:empty() then target_hosts:add(host); end if target_hosts:contains("localhost") then print(" Target 'localhost' cannot be accessed from other servers"); target_hosts:remove("localhost"); end local modules = set.new(it.to_array(it.values(host_options.modules_enabled))) + set.new(it.to_array(it.values(config.get("*", "modules_enabled")))) + set.new({ config.get(host, "component_module") }); if modules:contains("proxy65") then local proxy65_target = config.get(host, "proxy65_address") or host; local A, AAAA = dns.lookup(idna.to_ascii(proxy65_target), "A"), dns.lookup(idna.to_ascii(proxy65_target), "AAAA"); local prob = {}; if not A then table.insert(prob, "A"); end if v6_supported and not AAAA then table.insert(prob, "AAAA"); end if #prob > 0 then print(" File transfer proxy "..proxy65_target.." has no "..table.concat(prob, "/").." record. Create one or set 'proxy65_address' to the correct host/IP."); end end for host in target_hosts do local host_ok_v4, host_ok_v6; local res = dns.lookup(idna.to_ascii(host), "A"); if res then for _, record in ipairs(res) do if external_addresses:contains(record.a) then some_targets_ok = true; host_ok_v4 = true; elseif internal_addresses:contains(record.a) then host_ok_v4 = true; some_targets_ok = true; print(" "..host.." A record points to internal address, external connections might fail"); else print(" "..host.." A record points to unknown address "..record.a); all_targets_ok = false; end end end local res = dns.lookup(idna.to_ascii(host), "AAAA"); if res then for _, record in ipairs(res) do if external_addresses:contains(record.aaaa) then some_targets_ok = true; host_ok_v6 = true; elseif internal_addresses:contains(record.aaaa) then host_ok_v6 = true; some_targets_ok = true; print(" "..host.." AAAA record points to internal address, external connections might fail"); else print(" "..host.." AAAA record points to unknown address "..record.aaaa); all_targets_ok = false; end end end local bad_protos = {} if not host_ok_v4 then table.insert(bad_protos, "IPv4"); end if not host_ok_v6 then table.insert(bad_protos, "IPv6"); end if #bad_protos > 0 then print(" Host "..host.." does not seem to resolve to this server ("..table.concat(bad_protos, "/")..")"); end if host_ok_v6 and not v6_supported then print(" Host "..host.." has AAAA records, but your version of LuaSocket does not support IPv6."); print(" Please see http://prosody.im/doc/ipv6 for more information."); end end if not all_targets_ok then print(" "..(some_targets_ok and "Only some" or "No").." targets for "..host.." appear to resolve to this server."); if is_component then print(" DNS records are necessary if you want users on other servers to access this component."); end problem_hosts:add(host); end print(""); end if not problem_hosts:empty() then print(""); print("For more information about DNS configuration please see http://prosody.im/doc/dns"); print(""); ok = false; end end if not what or what == "certs" then local cert_ok; print"Checking certificates..." local x509_verify_identity = require"util.x509".verify_identity; local ssl = dependencies.softreq"ssl"; -- local datetime_parse = require"util.datetime".parse_x509; local load_cert = ssl and ssl.x509 and ssl.x509.load; -- or ssl.cert_from_pem if not ssl then print("LuaSec not available, can't perform certificate checks") if what == "certs" then cert_ok = false end elseif not load_cert then print("This version of LuaSec (" .. ssl._VERSION .. ") does not support certificate checking"); cert_ok = false else for host in pairs(hosts) do if host ~= "*" then -- Should check global certs too. print("Checking certificate for "..host); -- First, let's find out what certificate this host uses. local ssl_config = config.rawget(host, "ssl"); if not ssl_config then local base_host = host:match("%.(.*)"); ssl_config = config.get(base_host, "ssl"); end if not ssl_config then print(" No 'ssl' option defined for "..host) cert_ok = false elseif not ssl_config.certificate then print(" No 'certificate' set in ssl option for "..host) cert_ok = false elseif not ssl_config.key then print(" No 'key' set in ssl option for "..host) cert_ok = false else local key, err = io.open(ssl_config.key); -- Permissions check only if not key then print(" Could not open "..ssl_config.key..": "..err); cert_ok = false else key:close(); end local cert_fh, err = io.open(ssl_config.certificate); -- Load the file. if not cert_fh then print(" Could not open "..ssl_config.certificate..": "..err); cert_ok = false else print(" Certificate: "..ssl_config.certificate) local cert = load_cert(cert_fh:read"*a"); cert_fh = cert_fh:close(); if not cert:validat(os.time()) then print(" Certificate has expired.") cert_ok = false end if config.get(host, "component_module") == nil and not x509_verify_identity(host, "_xmpp-client", cert) then print(" Not vaild for client connections to "..host..".") cert_ok = false end if (not (config.get(name, "anonymous_login") or config.get(name, "authentication") == "anonymous")) and not x509_verify_identity(host, "_xmpp-client", cert) then print(" Not vaild for server-to-server connections to "..host..".") cert_ok = false end end end end end if cert_ok == false then print("") print("For more information about certificates please see http://prosody.im/doc/certificates"); ok = false end end print("") end if not ok then print("Problems found, see above."); else print("All checks passed, congratulations!"); end return ok and 0 or 2; 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)) }));