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-rw-r--r--util/prosodyctl/cert.lua294
-rw-r--r--util/prosodyctl/check.lua666
-rw-r--r--util/prosodyctl/shell.lua144
3 files changed, 1104 insertions, 0 deletions
diff --git a/util/prosodyctl/cert.lua b/util/prosodyctl/cert.lua
new file mode 100644
index 00000000..2b96ac5c
--- /dev/null
+++ b/util/prosodyctl/cert.lua
@@ -0,0 +1,294 @@
+local lfs = require "lfs";
+
+local pctl = require "util.prosodyctl";
+local hi = require "util.human.io";
+local configmanager = require "core.configmanager";
+
+local openssl;
+
+local cert_commands = {};
+
+-- If a file already exists, ask if the user wants to use it or replace it
+-- Backups the old file if replaced
+local function use_existing(filename)
+ local attrs = lfs.attributes(filename);
+ if attrs then
+ if hi.show_yesno(filename .. " exists, do you want to replace it? [y/n]") then
+ local backup = filename..".bkp~"..os.date("%FT%T", attrs.change);
+ os.rename(filename, backup);
+ pctl.show_message("%s backed up to %s", filename, backup);
+ else
+ -- Use the existing file
+ return true;
+ end
+ end
+end
+
+local have_pposix, pposix = pcall(require, "util.pposix");
+local cert_basedir = prosody.paths.data == "." and "./certs" or prosody.paths.data;
+if have_pposix and pposix.getuid() == 0 then
+ -- FIXME should be enough to check if this directory is writable
+ local cert_dir = configmanager.get("*", "certificates") or "certs";
+ cert_basedir = configmanager.resolve_relative_path(prosody.paths.config, cert_dir);
+end
+
+function cert_commands.config(arg)
+ if #arg >= 1 and arg[1] ~= "--help" then
+ local conf_filename = cert_basedir .. "/" .. arg[1] .. ".cnf";
+ if use_existing(conf_filename) then
+ return nil, conf_filename;
+ end
+ local distinguished_name;
+ if arg[#arg]:find("^/") then
+ distinguished_name = table.remove(arg);
+ end
+ local conf = openssl.config.new();
+ conf:from_prosody(prosody.hosts, configmanager, arg);
+ if distinguished_name then
+ local dn = {};
+ for k, v in distinguished_name:gmatch("/([^=/]+)=([^/]+)") do
+ table.insert(dn, k);
+ dn[k] = v;
+ end
+ conf.distinguished_name = dn;
+ else
+ pctl.show_message("Please provide details to include in the certificate config file.");
+ pctl.show_message("Leave the field empty to use the default value or '.' to exclude the field.")
+ for _, k in ipairs(openssl._DN_order) do
+ local v = conf.distinguished_name[k];
+ if v then
+ local nv = nil;
+ 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 = hi.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
+ end
+ local conf_file, err = io.open(conf_filename, "w");
+ if not conf_file then
+ pctl.show_warning("Could not open OpenSSL config file for writing");
+ pctl.show_warning(err);
+ os.exit(1);
+ end
+ conf_file:write(conf:serialize());
+ conf_file:close();
+ print("");
+ pctl.show_message("Config written to %s", conf_filename);
+ return nil, conf_filename;
+ else
+ pctl.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 = cert_basedir .. "/" .. arg[1] .. ".key";
+ if use_existing(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 hi.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));
+ pctl.show_message("Key written to %s", key_filename);
+ pposix.umask(old_umask);
+ return nil, key_filename;
+ end
+ pctl.show_message("There was a problem, see OpenSSL output");
+ else
+ pctl.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 = cert_basedir .. "/" .. arg[1] .. ".req";
+ if use_existing(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, sha256=true, config=conf_filename, out=req_filename} then
+ pctl.show_message("Certificate request written to %s", req_filename);
+ else
+ pctl.show_message("There was a problem, see OpenSSL output");
+ end
+ else
+ pctl.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 = cert_basedir .. "/" .. arg[1] .. ".crt";
+ if use_existing(cert_filename) then
+ return nil, cert_filename;
+ end
+ local _, key_filename = cert_commands.key({arg[1]});
+ local _, conf_filename = cert_commands.config(arg);
+ if key_filename and conf_filename and cert_filename
+ and openssl.req{new=true, x509=true, nodes=true, key=key_filename,
+ days=365, sha256=true, utf8=true, config=conf_filename, out=cert_filename} then
+ pctl.show_message("Certificate written to %s", cert_filename);
+ print();
+ else
+ pctl.show_message("There was a problem, see OpenSSL output");
+ end
+ else
+ pctl.show_usage("cert generate HOSTNAME [HOSTNAME+]", "Generates a self-signed certificate for the current hostname(s)")
+ end
+end
+
+local function sh_esc(s)
+ return "'" .. s:gsub("'", "'\\''") .. "'";
+end
+
+local function copy(from, to, umask, owner, group)
+ local old_umask = umask and pposix.umask(umask);
+ local attrs = lfs.attributes(to);
+ if attrs then -- Move old file out of the way
+ local backup = to..".bkp~"..os.date("%FT%T", attrs.change);
+ os.rename(to, backup);
+ end
+ -- FIXME friendlier error handling, maybe move above backup back?
+ local input = assert(io.open(from));
+ local output = assert(io.open(to, "w"));
+ local data = input:read(2^11);
+ while data and output:write(data) do
+ data = input:read(2^11);
+ end
+ assert(input:close());
+ assert(output:close());
+ if not prosody.installed then
+ -- FIXME this is possibly specific to GNU chown
+ os.execute(("chown -c --reference=%s %s"):format(sh_esc(cert_basedir), sh_esc(to)));
+ elseif owner and group then
+ local ok = os.execute(("chown %s:%s %s"):format(sh_esc(owner), sh_esc(group), sh_esc(to)));
+ assert(ok == true or ok == 0, "Failed to change ownership of "..to);
+ end
+ if old_umask then pposix.umask(old_umask); end
+ return true;
+end
+
+function cert_commands.import(arg)
+ local hostnames = {};
+ -- Move hostname arguments out of arg, the rest should be a list of paths
+ while arg[1] and prosody.hosts[ arg[1] ] do
+ table.insert(hostnames, table.remove(arg, 1));
+ end
+ if hostnames[1] == nil then
+ local domains = os.getenv"RENEWED_DOMAINS"; -- Set if invoked via certbot
+ if domains then
+ for host in domains:gmatch("%S+") do
+ table.insert(hostnames, host);
+ end
+ else
+ for host in pairs(prosody.hosts) do
+ if host ~= "*" and configmanager.get(host, "enabled") ~= false then
+ table.insert(hostnames, host);
+ end
+ end
+ end
+ end
+ if not arg[1] or arg[1] == "--help" then -- Probably forgot the path
+ pctl.show_usage("cert import [HOSTNAME+] /path/to/certs [/other/paths/]+",
+ "Copies certificates to "..cert_basedir);
+ return 1;
+ end
+ local owner, group;
+ if pposix.getuid() == 0 then -- We need root to change ownership
+ owner = configmanager.get("*", "prosody_user") or "prosody";
+ group = configmanager.get("*", "prosody_group") or owner;
+ end
+ local cm = require "core.certmanager";
+ local imported = {};
+ for _, host in ipairs(hostnames) do
+ for _, dir in ipairs(arg) do
+ local paths = cm.find_cert(dir, host);
+ if paths then
+ copy(paths.certificate, cert_basedir .. "/" .. host .. ".crt", nil, owner, group);
+ copy(paths.key, cert_basedir .. "/" .. host .. ".key", "0377", owner, group);
+ table.insert(imported, host);
+ else
+ -- TODO Say where we looked
+ pctl.show_warning("No certificate for host "..host.." found :(");
+ end
+ -- TODO Additional checks
+ -- Certificate names matches the hostname
+ -- Private key matches public key in certificate
+ end
+ end
+ if imported[1] then
+ pctl.show_message("Imported certificate and key for hosts %s", table.concat(imported, ", "));
+ local ok, err = pctl.reload();
+ if not ok and err ~= "not-running" then
+ pctl.show_message(pctl.error_messages[err]);
+ end
+ else
+ pctl.show_warning("No certificates imported :(");
+ return 1;
+ end
+end
+
+local function cert(arg)
+ if #arg >= 1 and arg[1] ~= "--help" then
+ openssl = require "util.openssl";
+ lfs = require "lfs";
+ local cert_dir_attrs = lfs.attributes(cert_basedir);
+ if not cert_dir_attrs then
+ pctl.show_warning("The directory "..cert_basedir.." does not exist");
+ return 1; -- TODO Should we create it?
+ end
+ local uid = pposix.getuid();
+ if uid ~= 0 and uid ~= cert_dir_attrs.uid then
+ pctl.show_warning("The directory "..cert_basedir.." is not owned by the current user, won't be able to write files to it");
+ return 1;
+ elseif not cert_dir_attrs.permissions then -- COMPAT with LuaFilesystem < 1.6.2 (hey CentOS!)
+ pctl.show_message("Unable to check permissions on %s (LuaFilesystem 1.6.2+ required)", cert_basedir);
+ pctl.show_message("Please confirm that Prosody (and only Prosody) can write to this directory)");
+ elseif cert_dir_attrs.permissions:match("^%.w..%-..%-.$") then
+ pctl.show_warning("The directory "..cert_basedir.." not only writable by its owner");
+ return 1;
+ end
+ local subcmd = table.remove(arg, 1);
+ if type(cert_commands[subcmd]) == "function" then
+ if subcmd ~= "import" then -- hostnames are optional for import
+ if not arg[1] then
+ pctl.show_message"You need to supply at least one hostname"
+ arg = { "--help" };
+ end
+ if arg[1] ~= "--help" and not prosody.hosts[arg[1]] then
+ pctl.show_message(pctl.error_messages["no-such-host"]);
+ return 1;
+ end
+ end
+ return cert_commands[subcmd](arg);
+ elseif subcmd == "check" then
+ return require "util.prosodyctl.check".check({"certs"});
+ end
+ end
+ pctl.show_usage("cert config|request|generate|key|import", "Helpers for generating X.509 certificates and keys.")
+ for _, cmd in pairs(cert_commands) do
+ print()
+ cmd{ "--help" }
+ end
+end
+
+return {
+ cert = cert;
+};
diff --git a/util/prosodyctl/check.lua b/util/prosodyctl/check.lua
new file mode 100644
index 00000000..1795b01d
--- /dev/null
+++ b/util/prosodyctl/check.lua
@@ -0,0 +1,666 @@
+local configmanager = require "core.configmanager";
+local show_usage = require "util.prosodyctl".show_usage;
+local show_warning = require "util.prosodyctl".show_warning;
+local dependencies = require "util.dependencies";
+local socket = require "socket";
+local jid_split = require "util.jid".prepped_split;
+local modulemanager = require "core.modulemanager";
+
+local function 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 set = require "util.set";
+ local it = require "util.iterators";
+ local ok = true;
+ local function disabled_hosts(host, conf) return host ~= "*" and conf.enabled ~= false; end
+ local function enabled_hosts() return it.filter(disabled_hosts, pairs(configmanager.getconfig())); end
+ if not (what == nil or what == "disabled" or what == "config" or what == "dns" or what == "certs") then
+ show_warning("Don't know how to check '%s'. Try one of 'config', 'dns', 'certs' or 'disabled'.", what);
+ return 1;
+ end
+ if not what or what == "disabled" then
+ local disabled_hosts_set = set.new();
+ for host, host_options in it.filter("*", pairs(configmanager.getconfig())) do
+ if host_options.enabled == false then
+ disabled_hosts_set:add(host);
+ end
+ end
+ if not disabled_hosts_set:empty() then
+ local msg = "Checks will be skipped for these disabled hosts: %s";
+ if what then msg = "These hosts are disabled: %s"; end
+ show_warning(msg, tostring(disabled_hosts_set));
+ if what then return 0; end
+ print""
+ end
+ end
+ if not what or what == "config" then
+ print("Checking config...");
+ local deprecated = set.new({
+ "anonymous_login",
+ "bosh_ports",
+ "cross_domain_bosh",
+ "cross_domain_websocket",
+ "daemonize",
+ "disallow_s2s",
+ "legacy_ssl_interfaces",
+ "legacy_ssl_port",
+ "legacy_ssl_ports",
+ "legacy_ssl_ssl",
+ "no_daemonize",
+ "require_encryption",
+ "vcard_compatibility",
+ });
+ local known_global_options = set.new({
+ "access_control_allow_credentials",
+ "access_control_allow_headers",
+ "access_control_allow_methods",
+ "access_control_max_age",
+ "admin_socket",
+ "body_size_limit",
+ "bosh_max_inactivity",
+ "bosh_max_polling",
+ "bosh_max_wait",
+ "buffer_size_limit",
+ "c2s_close_timeout",
+ "c2s_stanza_size_limit",
+ "c2s_tcp_keepalives",
+ "c2s_timeout",
+ "component_stanza_size_limit",
+ "component_tcp_keepalives",
+ "consider_bosh_secure",
+ "consider_websocket_secure",
+ "console_banner",
+ "console_prettyprint_settings",
+ "cross_domain_bosh",
+ "cross_domain_websocket",
+ "daemonize",
+ "gc",
+ "http_default_host",
+ "http_errors_always_show",
+ "http_errors_default_message",
+ "http_errors_detailed",
+ "http_errors_messages",
+ "installer_plugin_path",
+ "limits",
+ "limits_resolution",
+ "log",
+ "multiplex_buffer_size",
+ "network_backend",
+ "network_default_read_size",
+ "network_settings",
+ "pidfile",
+ "plugin_paths",
+ "plugin_server",
+ "prosodyctl_timeout",
+ "prosody_group",
+ "prosody_user",
+ "run_as_root",
+ "s2s_close_timeout",
+ "s2s_insecure_domains",
+ "s2s_require_encryption",
+ "s2s_secure_auth",
+ "s2s_secure_domains",
+ "s2s_stanza_size_limit",
+ "s2s_tcp_keepalives",
+ "s2s_timeout",
+ "statistics",
+ "statistics_config",
+ "statistics_interval",
+ "tcp_keepalives",
+ "trusted_proxies",
+ "umask",
+ "use_dane",
+ "use_ipv4",
+ "use_ipv6",
+ "use_libevent",
+ "websocket_frame_buffer_limit",
+ "websocket_frame_fragment_limit",
+ "websocket_get_response_body",
+ "websocket_get_response_text",
+ });
+ local config = configmanager.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 https://prosody.im/doc/configure#overview");
+ end
+ if it.count(enabled_hosts()) == 0 then
+ ok = false;
+ print("");
+ if it.count(it.filter("*", pairs(config))) == 0 then
+ print(" No hosts are defined, please add at least one VirtualHost section")
+ elseif config["*"]["enabled"] == false then
+ print(" No hosts are enabled. Remove enabled = false from the global section or put enabled = true under at least one VirtualHost section")
+ else
+ print(" All hosts are disabled. Remove enabled = false from at least one VirtualHost section")
+ end
+ end
+ if not config["*"].modules_enabled then
+ print(" No global modules_enabled is set?");
+ local suggested_global_modules;
+ for host, options in enabled_hosts() do --luacheck: ignore 213/host
+ if not options.component_module and options.modules_enabled then
+ suggested_global_modules = set.intersection(suggested_global_modules or set.new(options.modules_enabled), set.new(options.modules_enabled));
+ end
+ end
+ if suggested_global_modules and not suggested_global_modules:empty() then
+ print(" Consider moving these modules into modules_enabled in the global section:")
+ print(" "..tostring(suggested_global_modules / function (x) return ("%q"):format(x) end));
+ end
+ print();
+ end
+
+ do -- Check for modules enabled both normally and as components
+ local modules = set.new(config["*"]["modules_enabled"]);
+ for host, options in enabled_hosts() do
+ local component_module = options.component_module;
+ if component_module and modules:contains(component_module) then
+ print((" mod_%s is enabled both in modules_enabled and as Component %q %q"):format(component_module, host, component_module));
+ print(" This means the service is enabled on all VirtualHosts as well as the Component.");
+ print(" Are you sure this what you want? It may cause unexpected behaviour.");
+ end
+ end
+ end
+
+ -- Check for global options under hosts
+ local global_options = set.new(it.to_array(it.keys(config["*"])));
+ local deprecated_global_options = set.intersection(global_options, deprecated);
+ if not deprecated_global_options:empty() then
+ print("");
+ print(" You have some deprecated options in the global section:");
+ print(" "..tostring(deprecated_global_options))
+ ok = false;
+ end
+ for host, options in it.filter(function (h) return h ~= "*" end, pairs(configmanager.getconfig())) 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$") and not name:match("^[cs]2s_ssl$")) 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 https://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
+ end
+ for host, options in enabled_hosts() do
+ local host_options = set.new(it.to_array(it.keys(options)));
+ 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: https://prosody.im/doc/dns");
+ end
+ end
+ local all_modules = set.new(config["*"].modules_enabled);
+ local all_options = set.new(it.to_array(it.keys(config["*"])));
+ for host in enabled_hosts() do
+ all_options:include(set.new(it.to_array(it.keys(config[host]))));
+ all_modules:include(set.new(config[host].modules_enabled));
+ end
+ for mod in all_modules do
+ if mod:match("^mod_") then
+ print("");
+ print(" Modules in modules_enabled should not have the 'mod_' prefix included.");
+ print(" Change '"..mod.."' to '"..mod:match("^mod_(.*)").."'.");
+ elseif mod:match("^auth_") then
+ print("");
+ print(" Authentication modules should not be added to modules_enabled,");
+ print(" but be specified in the 'authentication' option.");
+ print(" Remove '"..mod.."' from modules_enabled and instead add");
+ print(" authentication = '"..mod:match("^auth_(.*)").."'");
+ print(" For more information see https://prosody.im/doc/authentication");
+ elseif mod:match("^storage_") then
+ print("");
+ print(" storage modules should not be added to modules_enabled,");
+ print(" but be specified in the 'storage' option.");
+ print(" Remove '"..mod.."' from modules_enabled and instead add");
+ print(" storage = '"..mod:match("^storage_(.*)").."'");
+ print(" For more information see https://prosody.im/doc/storage");
+ end
+ end
+ if all_modules:contains("vcard") and all_modules:contains("vcard_legacy") then
+ print("");
+ print(" Both mod_vcard_legacy and mod_vcard are enabled but they conflict");
+ print(" with each other. Remove one.");
+ end
+ if all_modules:contains("pep") and all_modules:contains("pep_simple") then
+ print("");
+ print(" Both mod_pep_simple and mod_pep are enabled but they conflict");
+ print(" with each other. Remove one.");
+ end
+ for host, host_config in pairs(config) do --luacheck: ignore 213/host
+ if type(rawget(host_config, "storage")) == "string" and rawget(host_config, "default_storage") then
+ print("");
+ print(" The 'default_storage' option is not needed if 'storage' is set to a string.");
+ break;
+ end
+ end
+ local require_encryption = set.intersection(all_options, set.new({
+ "require_encryption", "c2s_require_encryption", "s2s_require_encryption"
+ })):empty();
+ local ssl = dependencies.softreq"ssl";
+ if not ssl then
+ if not require_encryption then
+ print("");
+ print(" You require encryption but LuaSec is not available.");
+ print(" Connections will fail.");
+ ok = false;
+ end
+ elseif not ssl.loadcertificate then
+ if all_options:contains("s2s_secure_auth") then
+ print("");
+ print(" You have set s2s_secure_auth but your version of LuaSec does ");
+ print(" not support certificate validation, so all s2s connections will");
+ print(" fail.");
+ ok = false;
+ elseif all_options:contains("s2s_secure_domains") then
+ local secure_domains = set.new();
+ for host in enabled_hosts() do
+ if config[host].s2s_secure_auth == true then
+ secure_domains:add("*");
+ else
+ secure_domains:include(set.new(config[host].s2s_secure_domains));
+ end
+ end
+ if not secure_domains:empty() then
+ print("");
+ print(" You have set s2s_secure_domains but your version of LuaSec does ");
+ print(" not support certificate validation, so s2s connections to/from ");
+ print(" these domains will fail.");
+ ok = false;
+ end
+ end
+ elseif require_encryption and not all_modules:contains("tls") then
+ print("");
+ print(" You require encryption but mod_tls is not enabled.");
+ print(" Connections will fail.");
+ ok = false;
+ end
+
+ print("Done.\n");
+ end
+ if not what or what == "dns" then
+ local dns = require "net.dns";
+ pcall(function ()
+ local unbound = require"net.unbound";
+ local unbound_config = configmanager.get("*", "unbound") or {};
+ unbound_config.hoststxt = false; -- don't look at /etc/hosts
+ configmanager.set("*", "unbound", unbound_config);
+ unbound.purge(); -- ensure the above config is used
+ dns = unbound.dns;
+ end)
+ local idna = require "util.encodings".idna;
+ local ip = require "util.ip";
+ local c2s_ports = set.new(configmanager.get("*", "c2s_ports") or {5222});
+ local s2s_ports = set.new(configmanager.get("*", "s2s_ports") or {5269});
+ local c2s_tls_ports = set.new(configmanager.get("*", "direct_tls_ports") or {});
+
+ local c2s_srv_required, s2s_srv_required, c2s_tls_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
+ if not c2s_tls_ports:empty() then
+ c2s_tls_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
+ do
+ 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
+ end
+ do
+ 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
+ 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;
+
+ local function trim_dns_name(n)
+ return (n:gsub("%.$", ""));
+ end
+
+ for jid, host_options in enabled_hosts() do
+ local all_targets_ok, some_targets_ok = true, false;
+ local node, host = jid_split(jid);
+
+ local modules, component_module = modulemanager.get_modules_for_host(host);
+ if component_module then
+ modules:add(component_module);
+ end
+
+ local is_component = not not host_options.component_module;
+ print("Checking DNS for "..(is_component and "component" or "host").." "..jid.."...");
+ if node then
+ print("Only the domain part ("..host..") is used in DNS.")
+ end
+ local target_hosts = set.new();
+ if modules:contains("c2s") then
+ local res = dns.lookup("_xmpp-client._tcp."..idna.to_ascii(host)..".", "SRV");
+ if res and #res > 0 then
+ for _, record in ipairs(res) do
+ if record.srv.target == "." then -- TODO is this an error if mod_c2s is enabled?
+ print(" 'xmpp-client' service disabled by pointing to '.'"); -- FIXME Explain better what this is
+ break;
+ end
+ local target = trim_dns_name(record.srv.target);
+ target_hosts:add(target);
+ if not c2s_ports:contains(record.srv.port) then
+ print(" SRV target "..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_targets_ok = false;
+ else
+ target_hosts:add(host);
+ end
+ end
+ end
+ if modules:contains("c2s") and c2s_tls_srv_required then
+ local res = dns.lookup("_xmpps-client._tcp."..idna.to_ascii(host)..".", "SRV");
+ if res and #res > 0 then
+ for _, record in ipairs(res) do
+ if record.srv.target == "." then -- TODO is this an error if mod_c2s is enabled?
+ print(" 'xmpps-client' service disabled by pointing to '.'"); -- FIXME Explain better what this is
+ break;
+ end
+ local target = trim_dns_name(record.srv.target);
+ target_hosts:add(target);
+ if not c2s_tls_ports:contains(record.srv.port) then
+ print(" SRV target "..target.." contains unknown Direct TLS client port: "..record.srv.port);
+ end
+ end
+ else
+ print(" No _xmpps-client SRV record found for "..host..", but it looks like you need one.");
+ all_targets_ok = false;
+ end
+ end
+ if modules:contains("s2s") then
+ local res = dns.lookup("_xmpp-server._tcp."..idna.to_ascii(host)..".", "SRV");
+ if res and #res > 0 then
+ for _, record in ipairs(res) do
+ if record.srv.target == "." then -- TODO Is this an error if mod_s2s is enabled?
+ print(" 'xmpp-server' service disabled by pointing to '.'"); -- FIXME Explain better what this is
+ break;
+ end
+ local target = trim_dns_name(record.srv.target);
+ target_hosts:add(target);
+ if not s2s_ports:contains(record.srv.port) then
+ print(" SRV target "..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
+ 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
+
+ if modules:contains("proxy65") then
+ local proxy65_target = configmanager.get(host, "proxy65_address") or host;
+ if type(proxy65_target) == "string" then
+ 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
+ else
+ print(" proxy65_address for "..host.." should be set to a string, unable to perform DNS check");
+ end
+ end
+
+ local use_ipv4 = configmanager.get("*", "use_ipv4") ~= false;
+ local use_ipv6 = configmanager.get("*", "use_ipv6") ~= false;
+ if not use_ipv4 and not use_ipv6 then
+ print(" Both IPv6 and IPv4 are disabled, Prosody will not listen on any ports");
+ print(" nor be able to connect to any remote servers.");
+ all_targets_ok = false;
+ end
+
+ for target_host in target_hosts do
+ local host_ok_v4, host_ok_v6;
+ do
+ local res = dns.lookup(idna.to_ascii(target_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(" "..target_host.." A record points to internal address, external connections might fail");
+ else
+ print(" "..target_host.." A record points to unknown address "..record.a);
+ all_targets_ok = false;
+ end
+ end
+ end
+ end
+ do
+ local res = dns.lookup(idna.to_ascii(target_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(" "..target_host.." AAAA record points to internal address, external connections might fail");
+ else
+ print(" "..target_host.." AAAA record points to unknown address "..record.aaaa);
+ all_targets_ok = false;
+ end
+ end
+ end
+ end
+
+ if host_ok_v4 and not use_ipv4 then
+ print(" Host "..target_host.." does seem to resolve to this server but IPv4 has been disabled");
+ all_targets_ok = false;
+ end
+
+ if host_ok_v6 and not use_ipv6 then
+ print(" Host "..target_host.." does seem to resolve to this server but IPv6 has been disabled");
+ all_targets_ok = false;
+ end
+
+ local bad_protos = {}
+ if use_ipv4 and not host_ok_v4 then
+ table.insert(bad_protos, "IPv4");
+ end
+ if use_ipv6 and not host_ok_v6 then
+ table.insert(bad_protos, "IPv6");
+ end
+ if #bad_protos > 0 then
+ print(" Host "..target_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 "..target_host.." has AAAA records, but your version of LuaSocket does not support IPv6.");
+ print(" Please see https://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 https://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 create_context = require "core.certmanager".create_context;
+ local ssl = dependencies.softreq"ssl";
+ -- local datetime_parse = require"util.datetime".parse_x509;
+ local load_cert = ssl and ssl.loadcertificate;
+ -- 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
+ local function skip_bare_jid_hosts(host)
+ if jid_split(host) then
+ -- See issue #779
+ return false;
+ end
+ return true;
+ end
+ for host in it.filter(skip_bare_jid_hosts, enabled_hosts()) do
+ print("Checking certificate for "..host);
+ -- First, let's find out what certificate this host uses.
+ local host_ssl_config = configmanager.rawget(host, "ssl")
+ or configmanager.rawget(host:match("%.(.*)"), "ssl");
+ local global_ssl_config = configmanager.rawget("*", "ssl");
+ local ok, err, ssl_config = create_context(host, "server", host_ssl_config, global_ssl_config);
+ if not ok then
+ print(" Error: "..err);
+ cert_ok = false
+ elseif not ssl_config.certificate then
+ print(" No 'certificate' found for "..host)
+ cert_ok = false
+ elseif not ssl_config.key then
+ print(" No 'key' found 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:close();
+ if not cert:validat(os.time()) then
+ print(" Certificate has expired.")
+ cert_ok = false
+ elseif not cert:validat(os.time() + 86400) then
+ print(" Certificate expires within one day.")
+ cert_ok = false
+ elseif not cert:validat(os.time() + 86400*7) then
+ print(" Certificate expires within one week.")
+ elseif not cert:validat(os.time() + 86400*31) then
+ print(" Certificate expires within one month.")
+ end
+ if configmanager.get(host, "component_module") == nil
+ and not x509_verify_identity(host, "_xmpp-client", cert) then
+ print(" Not valid for client connections to "..host..".")
+ cert_ok = false
+ end
+ if (not (configmanager.get(host, "anonymous_login")
+ or configmanager.get(host, "authentication") == "anonymous"))
+ and not x509_verify_identity(host, "_xmpp-server", cert) then
+ print(" Not valid 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 https://prosody.im/doc/certificates");
+ ok = false
+ 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
+
+return {
+ check = check;
+};
diff --git a/util/prosodyctl/shell.lua b/util/prosodyctl/shell.lua
new file mode 100644
index 00000000..79d96f15
--- /dev/null
+++ b/util/prosodyctl/shell.lua
@@ -0,0 +1,144 @@
+local config = require "core.configmanager";
+local server = require "net.server";
+local st = require "util.stanza";
+local path = require "util.paths";
+local parse_args = require "util.argparse".parse;
+local unpack = table.unpack or _G.unpack;
+
+local have_readline, readline = pcall(require, "readline");
+
+local adminstream = require "util.adminstream";
+
+if have_readline then
+ readline.set_readline_name("prosody");
+ readline.set_options({
+ histfile = path.join(prosody.paths.data, ".shell_history");
+ ignoredups = true;
+ });
+end
+
+local function read_line()
+ if have_readline then
+ return readline.readline("prosody> ");
+ else
+ io.write("prosody> ");
+ return io.read("*line");
+ end
+end
+
+local function send_line(client, line)
+ client.send(st.stanza("repl-input"):text(line));
+end
+
+local function repl(client)
+ local line = read_line();
+ if not line or line == "quit" or line == "exit" or line == "bye" then
+ if not line then
+ print("");
+ end
+ if have_readline then
+ readline.save_history();
+ end
+ os.exit();
+ end
+ send_line(client, line);
+end
+
+local function printbanner()
+ print([[
+ ____ \ / _
+ | _ \ _ __ ___ ___ _-_ __| |_ _
+ | |_) | '__/ _ \/ __|/ _ \ / _` | | | |
+ | __/| | | (_) \__ \ |_| | (_| | |_| |
+ |_| |_| \___/|___/\___/ \__,_|\__, |
+ A study in simplicity |___/
+
+]]);
+ print("Welcome to the Prosody administration console. For a list of commands, type: help");
+ print("You may find more help on using this console in our online documentation at ");
+ print("https://prosody.im/doc/console\n");
+end
+
+local function start(arg) --luacheck: ignore 212/arg
+ local client = adminstream.client();
+ local opts, err, where = parse_args(arg);
+
+ if not opts then
+ if err == "param-not-found" then
+ print("Unknown command-line option: "..tostring(where));
+ elseif err == "missing-value" then
+ print("Expected a value to follow command-line option: "..where);
+ end
+ os.exit(1);
+ end
+
+ if arg[1] then
+ if arg[2] then
+ -- prosodyctl shell module reload foo bar.com --> module:reload("foo", "bar.com")
+ -- COMPAT Lua 5.1 doesn't have the separator argument to string.rep
+ arg[1] = string.format("%s:%s("..string.rep("%q, ", #arg-2):sub(1, -3)..")", unpack(arg));
+ end
+
+ client.events.add_handler("connected", function()
+ client.send(st.stanza("repl-input"):text(arg[1]));
+ return true;
+ end, 1);
+
+ local errors = 0; -- TODO This is weird, but works for now.
+ client.events.add_handler("received", function(stanza)
+ if stanza.name == "repl-output" or stanza.name == "repl-result" then
+ if stanza.attr.type == "error" then
+ errors = errors + 1;
+ io.stderr:write(stanza:get_text(), "\n");
+ else
+ print(stanza:get_text());
+ end
+ end
+ if stanza.name == "repl-result" then
+ os.exit(errors);
+ end
+ return true;
+ end, 1);
+ end
+
+ client.events.add_handler("connected", function ()
+ if not opts.quiet then
+ printbanner();
+ end
+ repl(client);
+ end);
+
+ client.events.add_handler("disconnected", function ()
+ print("--- session closed ---");
+ os.exit();
+ end);
+
+ client.events.add_handler("received", function (stanza)
+ if stanza.name == "repl-output" or stanza.name == "repl-result" then
+ local result_prefix = stanza.attr.type == "error" and "!" or "|";
+ print(result_prefix.." "..stanza:get_text());
+ end
+ if stanza.name == "repl-result" then
+ repl(client);
+ end
+ end);
+
+ local socket_path = path.resolve_relative_path(prosody.paths.data, opts.socket or config.get("*", "admin_socket") or "prosody.sock");
+ local conn = adminstream.connection(socket_path, client.listeners);
+ local ok, err = conn:connect();
+ if not ok then
+ if err == "no unix socket support" then
+ print("** LuaSocket unix socket support not available or incompatible, ensure your");
+ print("** version is up to date.");
+ else
+ print("** Unable to connect to server - is it running? Is mod_admin_shell enabled?");
+ print("** Connection error: "..err);
+ end
+ os.exit(1);
+ end
+ server.loop();
+end
+
+return {
+ shell = start;
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 07:27:46 +0000