From b0463f02908a21058f273aa971a1c06808a4cdd0 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Mon, 1 Jun 2020 15:43:47 +0100 Subject: mod_admin_telnet: Become a front for mod_admin_shell --- plugins/mod_admin_telnet.lua | 1623 +----------------------------------------- 1 file changed, 35 insertions(+), 1588 deletions(-) (limited to 'plugins/mod_admin_telnet.lua') diff --git a/plugins/mod_admin_telnet.lua b/plugins/mod_admin_telnet.lua index a082a851..ec8ff136 100644 --- a/plugins/mod_admin_telnet.lua +++ b/plugins/mod_admin_telnet.lua @@ -8,46 +8,37 @@ -- luacheck: ignore 212/self module:set_global(); - -local hostmanager = require "core.hostmanager"; -local modulemanager = require "core.modulemanager"; -local s2smanager = require "core.s2smanager"; -local portmanager = require "core.portmanager"; -local helpers = require "util.helpers"; -local server = require "net.server"; - -local _G = _G; - -local prosody = _G.prosody; +module:depends("admin_shell"); local console_listener = { default_port = 5582; default_mode = "*a"; interface = "127.0.0.1" }; -local unpack = table.unpack or unpack; -- luacheck: ignore 113 -local iterators = require "util.iterators"; -local keys, values = iterators.keys, iterators.values; -local jid_bare, jid_split, jid_join = import("util.jid", "bare", "prepped_split", "join"); -local set, array = require "util.set", require "util.array"; -local cert_verify_identity = require "util.x509".verify_identity; -local envload = require "util.envload".envload; -local envloadfile = require "util.envload".envloadfile; -local has_pposix, pposix = pcall(require, "util.pposix"); local async = require "util.async"; -local serialization = require "util.serialization"; -local serialize_config = serialization.new ({ fatal = false, unquoted = true}); -local time = require "util.time"; +local st = require "util.stanza"; -local commands = module:shared("commands") -local def_env = module:shared("env"); +local def_env = module:shared("admin_shell/env"); local default_env_mt = { __index = def_env }; -local function redirect_output(target, session) - local env = setmetatable({ print = session.print }, { __index = function (_, k) return rawget(target, k); end }); - env.dofile = function(name) - local f, err = envloadfile(name, env); - if not f then return f, err; end - return f(); - end; - return env; +local function printbanner(session) + local option = module:get_option_string("console_banner", "full"); + if option == "full" or option == "graphic" then + session.print [[ + ____ \ / _ + | _ \ _ __ ___ ___ _-_ __| |_ _ + | |_) | '__/ _ \/ __|/ _ \ / _` | | | | + | __/| | | (_) \__ \ |_| | (_| | |_| | + |_| |_| \___/|___/\___/ \__,_|\__, | + A study in simplicity |___/ + +]] + end + if option == "short" or option == "full" then + session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); + session.print("You may find more help on using this console in our online documentation at "); + session.print("https://prosody.im/doc/console\n"); + end + if option ~= "short" and option ~= "full" and option ~= "graphic" then + session.print(option); + end end console = {}; @@ -73,7 +64,12 @@ end function console:new_session(conn) local w = function(s) conn:write(s:gsub("\n", "\r\n")); end; local session = { conn = conn; - send = function (t) w(tostring(t)); end; + send = function (t) + if st.is_stanza(t) and t.name == "repl-result" then + t = "| "..t:get_text().."\n"; + end + w(tostring(t)); + end; print = function (...) local t = {}; for i=1,select("#", ...) do @@ -104,59 +100,13 @@ function console:new_session(conn) end function console:process_line(session, line) - local useglobalenv; - - if line:match("^>") then - line = line:gsub("^>", ""); - useglobalenv = true; - elseif line == "\004" then - commands["bye"](session, line); - return; - else - local command = line:match("^%w+") or line:match("%p"); - if commands[command] then - commands[command](session, line); - return; - end - end - - session.env._ = line; - - if not useglobalenv and commands[line:lower()] then - commands[line:lower()](session, line); - return; - end - - local chunkname = "=console"; - local env = (useglobalenv and redirect_output(_G, session)) or session.env or nil - -- luacheck: ignore 311/err - local chunk, err = envload("return "..line, chunkname, env); - if not chunk then - chunk, err = envload(line, chunkname, env); - if not chunk then - err = err:gsub("^%[string .-%]:%d+: ", ""); - err = err:gsub("^:%d+: ", ""); - err = err:gsub("''", "the end of the line"); - session.print("Sorry, I couldn't understand that... "..err); - return; - end - end - - local taskok, message = chunk(); - - if not message then - if type(taskok) ~= "string" and useglobalenv then - taskok = session.serialize(taskok); - end - session.print("Result: "..tostring(taskok)); - return; - elseif (not taskok) and message then - session.print("Command completed with a problem"); - session.print("Message: "..tostring(message)); + line = line:gsub("\r?\n$", ""); + if line == "bye" or line == "quit" or line == "exit" or line:byte() == 4 then + session.print("See you!"); + session:disconnect(); return; end - - session.print("OK: "..tostring(message)); + return module:fire_event("admin/repl-line", { origin = session, stanza = st.stanza("repl"):text(line) }); end local sessions = {}; @@ -218,1509 +168,6 @@ function console_listener.ondetach(conn) sessions[conn] = nil; end --- Console commands -- --- These are simple commands, not valid standalone in Lua - -function commands.bye(session) - session.print("See you! :)"); - session.closed = true; - session.disconnect(); -end -commands.quit, commands.exit = commands.bye, commands.bye; - -commands["!"] = function (session, data) - if data:match("^!!") and session.env._ then - session.print("!> "..session.env._); - return console_listener.onincoming(session.conn, session.env._); - end - local old, new = data:match("^!(.-[^\\])!(.-)!$"); - if old and new then - local ok, res = pcall(string.gsub, session.env._, old, new); - if not ok then - session.print(res) - return; - end - session.print("!> "..res); - return console_listener.onincoming(session.conn, res); - end - session.print("Sorry, not sure what you want"); -end - - -function commands.help(session, data) - local print = session.print; - local section = data:match("^help (%w+)"); - if not section then - print [[Commands are divided into multiple sections. For help on a particular section, ]] - print [[type: help SECTION (for example, 'help c2s'). Sections are: ]] - print [[]] - print [[c2s - Commands to manage local client-to-server sessions]] - print [[s2s - Commands to manage sessions between this server and others]] - print [[http - Commands to inspect HTTP services]] -- XXX plural but there is only one so far - print [[module - Commands to load/reload/unload modules/plugins]] - print [[host - Commands to activate, deactivate and list virtual hosts]] - print [[user - Commands to create and delete users, and change their passwords]] - print [[server - Uptime, version, shutting down, etc.]] - print [[port - Commands to manage ports the server is listening on]] - print [[dns - Commands to manage and inspect the internal DNS resolver]] - print [[xmpp - Commands for sending XMPP stanzas]] - print [[debug - Commands for debugging the server]] - print [[config - Reloading the configuration, etc.]] - print [[console - Help regarding the console itself]] - elseif section == "c2s" then - print [[c2s:show(jid) - Show all client sessions with the specified JID (or all if no JID given)]] - print [[c2s:show_insecure() - Show all unencrypted client connections]] - print [[c2s:show_secure() - Show all encrypted client connections]] - print [[c2s:show_tls() - Show TLS cipher info for encrypted sessions]] - print [[c2s:count() - Count sessions without listing them]] - print [[c2s:close(jid) - Close all sessions for the specified JID]] - print [[c2s:closeall() - Close all active c2s connections ]] - elseif section == "s2s" then - print [[s2s:show(domain) - Show all s2s connections for the given domain (or all if no domain given)]] - print [[s2s:show_tls(domain) - Show TLS cipher info for encrypted sessions]] - print [[s2s:close(from, to) - Close a connection from one domain to another]] - print [[s2s:closeall(host) - Close all the incoming/outgoing s2s sessions to specified host]] - elseif section == "http" then - print [[http:list(hosts) - Show HTTP endpoints]] - elseif section == "module" then - print [[module:load(module, host) - Load the specified module on the specified host (or all hosts if none given)]] - print [[module:reload(module, host) - The same, but unloads and loads the module (saving state if the module supports it)]] - print [[module:unload(module, host) - The same, but just unloads the module from memory]] - print [[module:list(host) - List the modules loaded on the specified host]] - elseif section == "host" then - print [[host:activate(hostname) - Activates the specified host]] - print [[host:deactivate(hostname) - Disconnects all clients on this host and deactivates]] - print [[host:list() - List the currently-activated hosts]] - elseif section == "user" then - print [[user:create(jid, password) - Create the specified user account]] - print [[user:password(jid, password) - Set the password for the specified user account]] - print [[user:delete(jid) - Permanently remove the specified user account]] - print [[user:list(hostname, pattern) - List users on the specified host, optionally filtering with a pattern]] - elseif section == "server" then - print [[server:version() - Show the server's version number]] - print [[server:uptime() - Show how long the server has been running]] - print [[server:memory() - Show details about the server's memory usage]] - print [[server:shutdown(reason) - Shut down the server, with an optional reason to be broadcast to all connections]] - elseif section == "port" then - print [[port:list() - Lists all network ports prosody currently listens on]] - print [[port:close(port, interface) - Close a port]] - elseif section == "dns" then - print [[dns:lookup(name, type, class) - Do a DNS lookup]] - print [[dns:addnameserver(nameserver) - Add a nameserver to the list]] - print [[dns:setnameserver(nameserver) - Replace the list of name servers with the supplied one]] - print [[dns:purge() - Clear the DNS cache]] - print [[dns:cache() - Show cached records]] - elseif section == "xmpp" then - print [[xmpp:ping(localhost, remotehost) -- Sends a ping to a remote XMPP server and reports the response]] - elseif section == "config" then - print [[config:reload() - Reload the server configuration. Modules may need to be reloaded for changes to take effect.]] - print [[config:get([host,] option) - Show the value of a config option.]] - elseif section == "stats" then -- luacheck: ignore 542 - -- TODO describe how stats:show() works - elseif section == "debug" then - print [[debug:logevents(host) - Enable logging of fired events on host]] - print [[debug:events(host, event) - Show registered event handlers]] - print [[debug:timers() - Show information about scheduled timers]] - elseif section == "console" then - print [[Hey! Welcome to Prosody's admin console.]] - print [[First thing, if you're ever wondering how to get out, simply type 'quit'.]] - print [[Secondly, note that we don't support the full telnet protocol yet (it's coming)]] - print [[so you may have trouble using the arrow keys, etc. depending on your system.]] - print [[]] - print [[For now we offer a couple of handy shortcuts:]] - print [[!! - Repeat the last command]] - print [[!old!new! - repeat the last command, but with 'old' replaced by 'new']] - print [[]] - print [[For those well-versed in Prosody's internals, or taking instruction from those who are,]] - print [[you can prefix a command with > to escape the console sandbox, and access everything in]] - print [[the running server. Great fun, but be careful not to break anything :)]] - end - print [[]] -end - --- Session environment -- --- Anything in def_env will be accessible within the session as a global variable - ---luacheck: ignore 212/self -local serialize_defaults = module:get_option("console_prettyprint_settings", { fatal = false, unquoted = true, maxdepth = 2}) - -def_env.output = {}; -function def_env.output:configure(opts) - if type(opts) ~= "table" then - opts = { preset = opts }; - end - if not opts.fallback then - -- XXX Error message passed to fallback is lost, does it matter? - opts.fallback = tostring; - end - for k,v in pairs(serialize_defaults) do - if opts[k] == nil then - opts[k] = v; - end - end - self.session.serialize = serialization.new(opts); -end - -def_env.server = {}; - -function def_env.server:insane_reload() - prosody.unlock_globals(); - dofile "prosody" - prosody = _G.prosody; - return true, "Server reloaded"; -end - -function def_env.server:version() - return true, tostring(prosody.version or "unknown"); -end - -function def_env.server:uptime() - local t = os.time()-prosody.start_time; - local seconds = t%60; - t = (t - seconds)/60; - local minutes = t%60; - t = (t - minutes)/60; - local hours = t%24; - t = (t - hours)/24; - local days = t; - return true, string.format("This server has been running for %d day%s, %d hour%s and %d minute%s (since %s)", - days, (days ~= 1 and "s") or "", hours, (hours ~= 1 and "s") or "", - minutes, (minutes ~= 1 and "s") or "", os.date("%c", prosody.start_time)); -end - -function def_env.server:shutdown(reason) - prosody.shutdown(reason); - return true, "Shutdown initiated"; -end - -local function human(kb) - local unit = "K"; - if kb > 1024 then - kb, unit = kb/1024, "M"; - end - return ("%0.2f%sB"):format(kb, unit); -end - -function def_env.server:memory() - if not has_pposix or not pposix.meminfo then - return true, "Lua is using "..human(collectgarbage("count")); - end - local mem, lua_mem = pposix.meminfo(), collectgarbage("count"); - local print = self.session.print; - print("Process: "..human((mem.allocated+mem.allocated_mmap)/1024)); - print(" Used: "..human(mem.used/1024).." ("..human(lua_mem).." by Lua)"); - print(" Free: "..human(mem.unused/1024).." ("..human(mem.returnable/1024).." returnable)"); - return true, "OK"; -end - -def_env.module = {}; - -local function get_hosts_set(hosts) - if type(hosts) == "table" then - if hosts[1] then - return set.new(hosts); - elseif hosts._items then - return hosts; - end - elseif type(hosts) == "string" then - return set.new { hosts }; - elseif hosts == nil then - return set.new(array.collect(keys(prosody.hosts))); - end -end - --- Hosts with a module or all virtualhosts if no module given --- matching modules_enabled in the global section -local function get_hosts_with_module(hosts, module) - local hosts_set = get_hosts_set(hosts) - / function (host) - if module then - -- Module given, filter in hosts with this module loaded - if modulemanager.is_loaded(host, module) then - return host; - else - return nil; - end - end - if not hosts then - -- No hosts given, filter in VirtualHosts - if prosody.hosts[host].type == "local" then - return host; - else - return nil - end - end; - -- No module given, but hosts are, don't filter at all - return host; - end; - if module and modulemanager.get_module("*", module) then - hosts_set:add("*"); - end - return hosts_set; -end - -function def_env.module:load(name, hosts, config) - hosts = get_hosts_with_module(hosts); - - -- Load the module for each host - local ok, err, count, mod = true, nil, 0; - for host in hosts do - if (not modulemanager.is_loaded(host, name)) then - mod, err = modulemanager.load(host, name, config); - if not mod then - ok = false; - if err == "global-module-already-loaded" then - if count > 0 then - ok, err, count = true, nil, 1; - end - break; - end - self.session.print(err or "Unknown error loading module"); - else - count = count + 1; - self.session.print("Loaded for "..mod.module.host); - end - end - end - - return ok, (ok and "Module loaded onto "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err)); -end - -function def_env.module:unload(name, hosts) - hosts = get_hosts_with_module(hosts, name); - - -- Unload the module for each host - local ok, err, count = true, nil, 0; - for host in hosts do - if modulemanager.is_loaded(host, name) then - ok, err = modulemanager.unload(host, name); - if not ok then - ok = false; - self.session.print(err or "Unknown error unloading module"); - else - count = count + 1; - self.session.print("Unloaded from "..host); - end - end - end - return ok, (ok and "Module unloaded from "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err)); -end - -local function _sort_hosts(a, b) - if a == "*" then return true - elseif b == "*" then return false - else return a:gsub("[^.]+", string.reverse):reverse() < b:gsub("[^.]+", string.reverse):reverse(); end -end - -function def_env.module:reload(name, hosts) - hosts = array.collect(get_hosts_with_module(hosts, name)):sort(_sort_hosts) - - -- Reload the module for each host - local ok, err, count = true, nil, 0; - for _, host in ipairs(hosts) do - if modulemanager.is_loaded(host, name) then - ok, err = modulemanager.reload(host, name); - if not ok then - ok = false; - self.session.print(err or "Unknown error reloading module"); - else - count = count + 1; - if ok == nil then - ok = true; - end - self.session.print("Reloaded on "..host); - end - end - end - return ok, (ok and "Module reloaded on "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err)); -end - -function def_env.module:list(hosts) - hosts = array.collect(set.new({ not hosts and "*" or nil }) + get_hosts_set(hosts)):sort(_sort_hosts); - - local print = self.session.print; - for _, host in ipairs(hosts) do - print((host == "*" and "Global" or host)..":"); - local modules = array.collect(keys(modulemanager.get_modules(host) or {})):sort(); - if #modules == 0 then - if prosody.hosts[host] then - print(" No modules loaded"); - else - print(" Host not found"); - end - else - for _, name in ipairs(modules) do - local status, status_text = modulemanager.get_module(host, name).module:get_status(); - local status_summary = ""; - if status == "warn" or status == "error" then - status_summary = (" (%s: %s)"):format(status, status_text); - end - print((" %s%s"):format(name, status_summary)); - end - end - end -end - -def_env.config = {}; -function def_env.config:load(filename, format) - local config_load = require "core.configmanager".load; - local ok, err = config_load(filename, format); - if not ok then - return false, err or "Unknown error loading config"; - end - return true, "Config loaded"; -end - -function def_env.config:get(host, key) - if key == nil then - host, key = "*", host; - end - local config_get = require "core.configmanager".get - return true, serialize_config(config_get(host, key)); -end - -function def_env.config:reload() - local ok, err = prosody.reload_config(); - return ok, (ok and "Config reloaded (you may need to reload modules to take effect)") or tostring(err); -end - -local function common_info(session, line) - if session.id then - line[#line+1] = "["..session.id.."]" - else - line[#line+1] = "["..session.type..(tostring(session):match("%x*$")).."]" - end -end - -local function session_flags(session, line) - line = line or {}; - common_info(session, line); - if session.type == "c2s" then - local status, priority = "unavailable", tostring(session.priority or "-"); - if session.presence then - status = session.presence:get_child_text("show") or "available"; - end - line[#line+1] = status.."("..priority..")"; - end - if session.cert_identity_status == "valid" then - line[#line+1] = "(authenticated)"; - end - if session.dialback_key then - line[#line+1] = "(dialback)"; - end - if session.external_auth then - line[#line+1] = "(SASL)"; - end - if session.secure then - line[#line+1] = "(encrypted)"; - end - if session.compressed then - line[#line+1] = "(compressed)"; - end - if session.smacks then - line[#line+1] = "(sm)"; - end - if session.ip and session.ip:match(":") then - line[#line+1] = "(IPv6)"; - end - if session.remote then - line[#line+1] = "(remote)"; - end - if session.incoming and session.outgoing then - line[#line+1] = "(bidi)"; - elseif session.is_bidi or session.bidi_session then - line[#line+1] = "(bidi)"; - end - if session.bosh_version then - line[#line+1] = "(bosh)"; - end - if session.websocket_request then - line[#line+1] = "(websocket)"; - end - return table.concat(line, " "); -end - -local function tls_info(session, line) - line = line or {}; - common_info(session, line); - if session.secure then - local sock = session.conn and session.conn.socket and session.conn:socket(); - if sock then - local info = sock.info and sock:info(); - if info then - line[#line+1] = ("(%s with %s)"):format(info.protocol, info.cipher); - else - -- TLS session might not be ready yet - line[#line+1] = "(cipher info unavailable)"; - end - if sock.getsniname then - local name = sock:getsniname(); - if name then - line[#line+1] = ("(SNI:%q)"):format(name); - end - end - if sock.getalpn then - local proto = sock:getalpn(); - if proto then - line[#line+1] = ("(ALPN:%q)"):format(proto); - end - end - end - else - line[#line+1] = "(insecure)"; - end - return table.concat(line, " "); -end - -def_env.c2s = {}; - -local function get_jid(session) - if session.username then - return session.full_jid or jid_join(session.username, session.host, session.resource); - end - - local conn = session.conn; - local ip = session.ip or "?"; - local clientport = conn and conn:clientport() or "?"; - local serverip = conn and conn.server and conn:server():ip() or "?"; - local serverport = conn and conn:serverport() or "?" - return jid_join("["..ip.."]:"..clientport, session.host or "["..serverip.."]:"..serverport); -end - -local function get_c2s() - local c2s = array.collect(values(prosody.full_sessions)); - c2s:append(array.collect(values(module:shared"/*/c2s/sessions"))); - c2s:append(array.collect(values(module:shared"/*/bosh/sessions"))); - c2s:unique(); - return c2s; -end - -local function show_c2s(callback) - get_c2s():sort(function(a, b) - if a.host == b.host then - if a.username == b.username then - return (a.resource or "") > (b.resource or ""); - end - return (a.username or "") > (b.username or ""); - end - return _sort_hosts(a.host or "", b.host or ""); - end):map(function (session) - callback(get_jid(session), session) - end); -end - -function def_env.c2s:count() - local c2s = get_c2s(); - return true, "Total: ".. #c2s .." clients"; -end - -function def_env.c2s:show(match_jid, annotate) - local print, count = self.session.print, 0; - annotate = annotate or session_flags; - local curr_host = false; - show_c2s(function (jid, session) - if curr_host ~= session.host then - curr_host = session.host; - print(curr_host or "(not connected to any host yet)"); - end - if (not match_jid) or jid:match(match_jid) then - count = count + 1; - print(annotate(session, { " ", jid })); - end - end); - return true, "Total: "..count.." clients"; -end - -function def_env.c2s:show_insecure(match_jid) - local print, count = self.session.print, 0; - show_c2s(function (jid, session) - if ((not match_jid) or jid:match(match_jid)) and not session.secure then - count = count + 1; - print(jid); - end - end); - return true, "Total: "..count.." insecure client connections"; -end - -function def_env.c2s:show_secure(match_jid) - local print, count = self.session.print, 0; - show_c2s(function (jid, session) - if ((not match_jid) or jid:match(match_jid)) and session.secure then - count = count + 1; - print(jid); - end - end); - return true, "Total: "..count.." secure client connections"; -end - -function def_env.c2s:show_tls(match_jid) - return self:show(match_jid, tls_info); -end - -local function build_reason(text, condition) - if text or condition then - return { - text = text, - condition = condition or "undefined-condition", - }; - end -end - -function def_env.c2s:close(match_jid, text, condition) - local count = 0; - show_c2s(function (jid, session) - if jid == match_jid or jid_bare(jid) == match_jid then - count = count + 1; - session:close(build_reason(text, condition)); - end - end); - return true, "Total: "..count.." sessions closed"; -end - -function def_env.c2s:closeall(text, condition) - local count = 0; - --luacheck: ignore 212/jid - show_c2s(function (jid, session) - count = count + 1; - session:close(build_reason(text, condition)); - end); - return true, "Total: "..count.." sessions closed"; -end - - -def_env.s2s = {}; -function def_env.s2s:show(match_jid, annotate) - local print = self.session.print; - annotate = annotate or session_flags; - - local count_in, count_out = 0,0; - local s2s_list = { }; - - local s2s_sessions = module:shared"/*/s2s/sessions"; - for _, session in pairs(s2s_sessions) do - local remotehost, localhost, direction; - if session.direction == "outgoing" then - direction = "->"; - count_out = count_out + 1; - remotehost, localhost = session.to_host or "?", session.from_host or "?"; - else - direction = "<-"; - count_in = count_in + 1; - remotehost, localhost = session.from_host or "?", session.to_host or "?"; - end - local sess_lines = { l = localhost, r = remotehost, - annotate(session, { "", direction, remotehost or "?" })}; - - if (not match_jid) or remotehost:match(match_jid) or localhost:match(match_jid) then - table.insert(s2s_list, sess_lines); - -- luacheck: ignore 421/print - local print = function (s) table.insert(sess_lines, " "..s); end - if session.sendq then - print("There are "..#session.sendq.." queued outgoing stanzas for this connection"); - end - if session.type == "s2sout_unauthed" then - if session.connecting then - print("Connection not yet established"); - if not session.srv_hosts then - if not session.conn then - print("We do not yet have a DNS answer for this host's SRV records"); - else - print("This host has no SRV records, using A record instead"); - end - elseif session.srv_choice then - print("We are on SRV record "..session.srv_choice.." of "..#session.srv_hosts); - local srv_choice = session.srv_hosts[session.srv_choice]; - print("Using "..(srv_choice.target or ".")..":"..(srv_choice.port or 5269)); - end - elseif session.notopen then - print("The has not yet been opened"); - elseif not session.dialback_key then - print("Dialback has not been initiated yet"); - elseif session.dialback_key then - print("Dialback has been requested, but no result received"); - end - end - if session.type == "s2sin_unauthed" then - print("Connection not yet authenticated"); - elseif session.type == "s2sin" then - for name in pairs(session.hosts) do - if name ~= session.from_host then - print("also hosts "..tostring(name)); - end - end - end - end - end - - -- Sort by local host, then remote host - table.sort(s2s_list, function(a,b) - if a.l == b.l then return _sort_hosts(a.r, b.r); end - return _sort_hosts(a.l, b.l); - end); - local lasthost; - for _, sess_lines in ipairs(s2s_list) do - if sess_lines.l ~= lasthost then print(sess_lines.l); lasthost=sess_lines.l end - for _, line in ipairs(sess_lines) do print(line); end - end - return true, "Total: "..count_out.." outgoing, "..count_in.." incoming connections"; -end - -function def_env.s2s:show_tls(match_jid) - return self:show(match_jid, tls_info); -end - -local function print_subject(print, subject) - for _, entry in ipairs(subject) do - print( - (" %s: %q"):format( - entry.name or entry.oid, - entry.value:gsub("[\r\n%z%c]", " ") - ) - ); - end -end - --- As much as it pains me to use the 0-based depths that OpenSSL does, --- I think there's going to be more confusion among operators if we --- break from that. -local function print_errors(print, errors) - for depth, t in pairs(errors) do - print( - (" %d: %s"):format( - depth-1, - table.concat(t, "\n| ") - ) - ); - end -end - -function def_env.s2s:showcert(domain) - local print = self.session.print; - local s2s_sessions = module:shared"/*/s2s/sessions"; - local domain_sessions = set.new(array.collect(values(s2s_sessions))) - /function(session) return (session.to_host == domain or session.from_host == domain) and session or nil; end; - local cert_set = {}; - for session in domain_sessions do - local conn = session.conn; - conn = conn and conn:socket(); - if not conn.getpeerchain then - if conn.dohandshake then - error("This version of LuaSec does not support certificate viewing"); - end - else - local cert = conn:getpeercertificate(); - if cert then - local certs = conn:getpeerchain(); - local digest = cert:digest("sha1"); - if not cert_set[digest] then - local chain_valid, chain_errors = conn:getpeerverification(); - cert_set[digest] = { - { - from = session.from_host, - to = session.to_host, - direction = session.direction - }; - chain_valid = chain_valid; - chain_errors = chain_errors; - certs = certs; - }; - else - table.insert(cert_set[digest], { - from = session.from_host, - to = session.to_host, - direction = session.direction - }); - end - end - end - end - local domain_certs = array.collect(values(cert_set)); - -- Phew. We now have a array of unique certificates presented by domain. - local n_certs = #domain_certs; - - if n_certs == 0 then - return "No certificates found for "..domain; - end - - local function _capitalize_and_colon(byte) - return string.upper(byte)..":"; - end - local function pretty_fingerprint(hash) - return hash:gsub("..", _capitalize_and_colon):sub(1, -2); - end - - for cert_info in values(domain_certs) do - local certs = cert_info.certs; - local cert = certs[1]; - print("---") - print("Fingerprint (SHA1): "..pretty_fingerprint(cert:digest("sha1"))); - print(""); - local n_streams = #cert_info; - print("Currently used on "..n_streams.." stream"..(n_streams==1 and "" or "s")..":"); - for _, stream in ipairs(cert_info) do - if stream.direction == "incoming" then - print(" "..stream.to.." <- "..stream.from); - else - print(" "..stream.from.." -> "..stream.to); - end - end - print(""); - local chain_valid, errors = cert_info.chain_valid, cert_info.chain_errors; - local valid_identity = cert_verify_identity(domain, "xmpp-server", cert); - if chain_valid then - print("Trusted certificate: Yes"); - else - print("Trusted certificate: No"); - print_errors(print, errors); - end - print(""); - print("Issuer: "); - print_subject(print, cert:issuer()); - print(""); - print("Valid for "..domain..": "..(valid_identity and "Yes" or "No")); - print("Subject:"); - print_subject(print, cert:subject()); - end - print("---"); - return ("Showing "..n_certs.." certificate" - ..(n_certs==1 and "" or "s") - .." presented by "..domain.."."); -end - -function def_env.s2s:close(from, to, text, condition) - local print, count = self.session.print, 0; - local s2s_sessions = module:shared"/*/s2s/sessions"; - - local match_id; - if from and not to then - match_id, from = from, nil; - elseif not to then - return false, "Syntax: s2s:close('from', 'to') - Closes all s2s sessions from 'from' to 'to'"; - elseif from == to then - return false, "Both from and to are the same... you can't do that :)"; - end - - for _, session in pairs(s2s_sessions) do - local id = session.id or (session.type..tostring(session):match("[a-f0-9]+$")); - if (match_id and match_id == id) - or (session.from_host == from and session.to_host == to) then - print(("Closing connection from %s to %s [%s]"):format(session.from_host, session.to_host, id)); - (session.close or s2smanager.destroy_session)(session, build_reason(text, condition)); - count = count + 1 ; - end - end - return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s"); -end - -function def_env.s2s:closeall(host, text, condition) - local count = 0; - local s2s_sessions = module:shared"/*/s2s/sessions"; - for _,session in pairs(s2s_sessions) do - if not host or session.from_host == host or session.to_host == host then - session:close(build_reason(text, condition)); - count = count + 1; - end - end - if count == 0 then return false, "No sessions to close."; - else return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s"); end -end - -def_env.host = {}; def_env.hosts = def_env.host; - -function def_env.host:activate(hostname, config) - return hostmanager.activate(hostname, config); -end -function def_env.host:deactivate(hostname, reason) - return hostmanager.deactivate(hostname, reason); -end - -function def_env.host:list() - local print = self.session.print; - local i = 0; - local type; - for host, host_session in iterators.sorted_pairs(prosody.hosts, _sort_hosts) do - i = i + 1; - type = host_session.type; - if type == "local" then - print(host); - else - type = module:context(host):get_option_string("component_module", type); - if type ~= "component" then - type = type .. " component"; - end - print(("%s (%s)"):format(host, type)); - end - end - return true, i.." hosts"; -end - -def_env.port = {}; - -function def_env.port:list() - local print = self.session.print; - local services = portmanager.get_active_services().data; - local n_services, n_ports = 0, 0; - for service, interfaces in iterators.sorted_pairs(services) do - n_services = n_services + 1; - local ports_list = {}; - for interface, ports in pairs(interfaces) do - for port in pairs(ports) do - table.insert(ports_list, "["..interface.."]:"..port); - end - end - n_ports = n_ports + #ports_list; - print(service..": "..table.concat(ports_list, ", ")); - end - return true, n_services.." services listening on "..n_ports.." ports"; -end - -function def_env.port:close(close_port, close_interface) - close_port = assert(tonumber(close_port), "Invalid port number"); - local n_closed = 0; - local services = portmanager.get_active_services().data; - for service, interfaces in pairs(services) do -- luacheck: ignore 213 - for interface, ports in pairs(interfaces) do - if not close_interface or close_interface == interface then - if ports[close_port] then - self.session.print("Closing ["..interface.."]:"..close_port.."..."); - local ok, err = portmanager.close(interface, close_port) - if not ok then - self.session.print("Failed to close "..interface.." "..close_port..": "..err); - else - n_closed = n_closed + 1; - end - end - end - end - end - return true, "Closed "..n_closed.." ports"; -end - -def_env.muc = {}; - -local console_room_mt = { - __index = function (self, k) return self.room[k]; end; - __tostring = function (self) - return "MUC room <"..self.room.jid..">"; - end; -}; - -local function check_muc(jid) - local room_name, host = jid_split(jid); - if not prosody.hosts[host] then - return nil, "No such host: "..host; - elseif not prosody.hosts[host].modules.muc then - return nil, "Host '"..host.."' is not a MUC service"; - end - return room_name, host; -end - -function def_env.muc:create(room_jid, config) - local room_name, host = check_muc(room_jid); - if not room_name then - return room_name, host; - end - if not room_name then return nil, host end - if config ~= nil and type(config) ~= "table" then return nil, "Config must be a table"; end - if prosody.hosts[host].modules.muc.get_room_from_jid(room_jid) then return nil, "Room exists already" end - return prosody.hosts[host].modules.muc.create_room(room_jid, config); -end - -function def_env.muc:room(room_jid) - local room_name, host = check_muc(room_jid); - if not room_name then - return room_name, host; - end - local room_obj = prosody.hosts[host].modules.muc.get_room_from_jid(room_jid); - if not room_obj then - return nil, "No such room: "..room_jid; - end - return setmetatable({ room = room_obj }, console_room_mt); -end - -function def_env.muc:list(host) - local host_session = prosody.hosts[host]; - if not host_session or not host_session.modules.muc then - return nil, "Please supply the address of a local MUC component"; - end - local print = self.session.print; - local c = 0; - for room in host_session.modules.muc.each_room() do - print(room.jid); - c = c + 1; - end - return true, c.." rooms"; -end - -local um = require"core.usermanager"; - -def_env.user = {}; -function def_env.user:create(jid, password) - local username, host = jid_split(jid); - if not prosody.hosts[host] then - return nil, "No such host: "..host; - elseif um.user_exists(username, host) then - return nil, "User exists"; - end - local ok, err = um.create_user(username, password, host); - if ok then - return true, "User created"; - else - return nil, "Could not create user: "..err; - end -end - -function def_env.user:delete(jid) - local username, host = jid_split(jid); - if not prosody.hosts[host] then - return nil, "No such host: "..host; - elseif not um.user_exists(username, host) then - return nil, "No such user"; - end - local ok, err = um.delete_user(username, host); - if ok then - return true, "User deleted"; - else - return nil, "Could not delete user: "..err; - end -end - -function def_env.user:password(jid, password) - local username, host = jid_split(jid); - if not prosody.hosts[host] then - return nil, "No such host: "..host; - elseif not um.user_exists(username, host) then - return nil, "No such user"; - end - local ok, err = um.set_password(username, password, host, nil); - if ok then - return true, "User password changed"; - else - return nil, "Could not change password for user: "..err; - end -end - -function def_env.user:list(host, pat) - if not host then - return nil, "No host given"; - elseif not prosody.hosts[host] then - return nil, "No such host"; - end - local print = self.session.print; - local total, matches = 0, 0; - for user in um.users(host) do - if not pat or user:match(pat) then - print(user.."@"..host); - matches = matches + 1; - end - total = total + 1; - end - return true, "Showing "..(pat and (matches.." of ") or "all " )..total.." users"; -end - -def_env.xmpp = {}; - -local st = require "util.stanza"; -local new_id = require "util.id".medium; -function def_env.xmpp:ping(localhost, remotehost, timeout) - localhost = select(2, jid_split(localhost)); - remotehost = select(2, jid_split(remotehost)); - if not localhost then - return nil, "Invalid sender hostname"; - elseif not prosody.hosts[localhost] then - return nil, "No such local host"; - end - if not remotehost then - return nil, "Invalid destination hostname"; - elseif prosody.hosts[remotehost] then - return nil, "Both hosts are local"; - end - local iq = st.iq{ from=localhost, to=remotehost, type="get", id=new_id()} - :tag("ping", {xmlns="urn:xmpp:ping"}); - local time_start = time.now(); - local ret, err = async.wait(module:context(localhost):send_iq(iq, nil, timeout)); - if ret then - return true, ("pong from %s in %gs"):format(ret.stanza.attr.from, time.now() - time_start); - else - return false, tostring(err); - end -end - -def_env.dns = {}; -local adns = require"net.adns"; - -local function get_resolver(session) - local resolver = session.dns_resolver; - if not resolver then - resolver = adns.resolver(); - session.dns_resolver = resolver; - end - return resolver; -end - -function def_env.dns:lookup(name, typ, class) - local resolver = get_resolver(self.session); - local ret, err = async.wait(resolver:lookup_promise(name, typ, class)); - if ret then - return true, ret; - elseif err then - return false, err; - end -end - -function def_env.dns:addnameserver(...) - local resolver = get_resolver(self.session); - resolver._resolver:addnameserver(...) - return true -end - -function def_env.dns:setnameserver(...) - local resolver = get_resolver(self.session); - resolver._resolver:setnameserver(...) - return true -end - -function def_env.dns:purge() - local resolver = get_resolver(self.session); - resolver._resolver:purge() - return true -end - -function def_env.dns:cache() - local resolver = get_resolver(self.session); - return true, "Cache:\n"..tostring(resolver._resolver.cache) -end - -def_env.http = {}; - -function def_env.http:list(hosts) - local print = self.session.print; - - for host in get_hosts_set(hosts) do - local http_apps = modulemanager.get_items("http-provider", host); - if #http_apps > 0 then - local http_host = module:context(host):get_option_string("http_host"); - print("HTTP endpoints on "..host..(http_host and (" (using "..http_host.."):") or ":")); - for _, provider in ipairs(http_apps) do - local url = module:context(host):http_url(provider.name, provider.default_path); - print("", url); - end - print(""); - end - end - - local default_host = module:get_option_string("http_default_host"); - if not default_host then - print("HTTP requests to unknown hosts will return 404 Not Found"); - else - print("HTTP requests to unknown hosts will be handled by "..default_host); - end - return true; -end - -def_env.debug = {}; - -function def_env.debug:logevents(host) - helpers.log_host_events(host); - return true; -end - -function def_env.debug:events(host, event) - local events_obj; - if host and host ~= "*" then - if host == "http" then - events_obj = require "net.http.server"._events; - elseif not prosody.hosts[host] then - return false, "Unknown host: "..host; - else - events_obj = prosody.hosts[host].events; - end - else - events_obj = prosody.events; - end - return true, helpers.show_events(events_obj, event); -end - -function def_env.debug:timers() - local print = self.session.print; - local add_task = require"util.timer".add_task; - local h, params = add_task.h, add_task.params; - if h then - print("-- util.timer"); - for i, id in ipairs(h.ids) do - if not params[id] then - print(os.date("%F %T", h.priorities[i]), h.items[id]); - elseif not params[id].callback then - print(os.date("%F %T", h.priorities[i]), h.items[id], unpack(params[id])); - else - print(os.date("%F %T", h.priorities[i]), params[id].callback, unpack(params[id])); - end - end - end - if server.event_base then - local count = 0; - for _, v in pairs(debug.getregistry()) do - if type(v) == "function" and v.callback and v.callback == add_task._on_timer then - count = count + 1; - end - end - print(count .. " libevent callbacks"); - end - if h then - local next_time = h:peek(); - if next_time then - return true, os.date("Next event at %F %T (in %%.6fs)", next_time):format(next_time - time.now()); - end - end - return true; -end - --- COMPAT: debug:timers() was timer:info() for some time in trunk -def_env.timer = { info = def_env.debug.timers }; - -module:hook("server-stopping", function(event) - for _, session in pairs(sessions) do - session.print("Shutting down: "..(event.reason or "unknown reason")); - end -end); - -def_env.stats = {}; - -local function format_stat(type, value, ref_value) - ref_value = ref_value or value; - --do return tostring(value) end - if type == "duration" then - if ref_value < 0.001 then - return ("%g µs"):format(value*1000000); - elseif ref_value < 0.9 then - return ("%0.2f ms"):format(value*1000); - end - return ("%0.2f"):format(value); - elseif type == "size" then - if ref_value > 1048576 then - return ("%d MB"):format(value/1048576); - elseif ref_value > 1024 then - return ("%d KB"):format(value/1024); - end - return ("%d bytes"):format(value); - elseif type == "rate" then - if ref_value < 0.9 then - return ("%0.2f/min"):format(value*60); - end - return ("%0.2f/sec"):format(value); - end - return tostring(value); -end - -local stats_methods = {}; -function stats_methods:bounds(_lower, _upper) - for _, stat_info in ipairs(self) do - local data = stat_info[4]; - if data then - local lower = _lower or data.min; - local upper = _upper or data.max; - local new_data = { - min = lower; - max = upper; - samples = {}; - sample_count = 0; - count = data.count; - units = data.units; - }; - local sum = 0; - for _, v in ipairs(data.samples) do - if v > upper then - break; - elseif v>=lower then - table.insert(new_data.samples, v); - sum = sum + v; - end - end - new_data.sample_count = #new_data.samples; - stat_info[4] = new_data; - stat_info[3] = sum/new_data.sample_count; - end - end - return self; -end - -function stats_methods:trim(lower, upper) - upper = upper or (100-lower); - local statistics = require "util.statistics"; - for _, stat_info in ipairs(self) do - -- Strip outliers - local data = stat_info[4]; - if data then - local new_data = { - min = statistics.get_percentile(data, lower); - max = statistics.get_percentile(data, upper); - samples = {}; - sample_count = 0; - count = data.count; - units = data.units; - }; - local sum = 0; - for _, v in ipairs(data.samples) do - if v > new_data.max then - break; - elseif v>=new_data.min then - table.insert(new_data.samples, v); - sum = sum + v; - end - end - new_data.sample_count = #new_data.samples; - stat_info[4] = new_data; - stat_info[3] = sum/new_data.sample_count; - end - end - return self; -end - -function stats_methods:max(upper) - return self:bounds(nil, upper); -end - -function stats_methods:min(lower) - return self:bounds(lower, nil); -end - -function stats_methods:summary() - local statistics = require "util.statistics"; - for _, stat_info in ipairs(self) do - local type, value, data = stat_info[2], stat_info[3], stat_info[4]; - if data and data.samples then - table.insert(stat_info.output, string.format("Count: %d (%d captured)", - data.count, - data.sample_count - )); - table.insert(stat_info.output, string.format("Min: %s Mean: %s Max: %s", - format_stat(type, data.min), - format_stat(type, value), - format_stat(type, data.max) - )); - table.insert(stat_info.output, string.format("Q1: %s Median: %s Q3: %s", - format_stat(type, statistics.get_percentile(data, 25)), - format_stat(type, statistics.get_percentile(data, 50)), - format_stat(type, statistics.get_percentile(data, 75)) - )); - end - end - return self; -end - -function stats_methods:cfgraph() - for _, stat_info in ipairs(self) do - local name, type, value, data = unpack(stat_info, 1, 4); -- luacheck: ignore 211 - local function print(s) - table.insert(stat_info.output, s); - end - - if data and data.sample_count and data.sample_count > 0 then - local raw_histogram = require "util.statistics".get_histogram(data); - - local graph_width, graph_height = 50, 10; - local eighth_chars = " ▁▂▃▄▅▆▇█"; - - local range = data.max - data.min; - - if range > 0 then - local x_scaling = #raw_histogram/graph_width; - local histogram = {}; - for i = 1, graph_width do - histogram[i] = math.max(raw_histogram[i*x_scaling-1] or 0, raw_histogram[i*x_scaling] or 0); - end - - print(""); - print(("_"):rep(52)..format_stat(type, data.max)); - for row = graph_height, 1, -1 do - local row_chars = {}; - local min_eighths, max_eighths = 8, 0; - for i = 1, #histogram do - local char_eighths = math.ceil(math.max(math.min((graph_height/(data.max/histogram[i]))-(row-1), 1), 0)*8); - if char_eighths < min_eighths then - min_eighths = char_eighths; - end - if char_eighths > max_eighths then - max_eighths = char_eighths; - end - if char_eighths == 0 then - row_chars[i] = "-"; - else - local char = eighth_chars:sub(char_eighths*3+1, char_eighths*3+3); - row_chars[i] = char; - end - end - print(table.concat(row_chars).."|-"..format_stat(type, data.max/(graph_height/(row-0.5)))); - end - print(("\\ "):rep(11)); - local x_labels = {}; - for i = 1, 11 do - local s = ("%-4s"):format((i-1)*10); - if #s > 4 then - s = s:sub(1, 3).."…"; - end - x_labels[i] = s; - end - print(" "..table.concat(x_labels, " ")); - local units = "%"; - local margin = math.floor((graph_width-#units)/2); - print((" "):rep(margin)..units); - else - print("[range too small to graph]"); - end - print(""); - end - end - return self; -end - -function stats_methods:histogram() - for _, stat_info in ipairs(self) do - local name, type, value, data = unpack(stat_info, 1, 4); -- luacheck: ignore 211 - local function print(s) - table.insert(stat_info.output, s); - end - - if not data then - print("[no data]"); - return self; - elseif not data.sample_count then - print("[not a sampled metric type]"); - return self; - end - - local graph_width, graph_height = 50, 10; - local eighth_chars = " ▁▂▃▄▅▆▇█"; - - local range = data.max - data.min; - - if range > 0 then - local n_buckets = graph_width; - - local histogram = {}; - for i = 1, n_buckets do - histogram[i] = 0; - end - local max_bin_samples = 0; - for _, d in ipairs(data.samples) do - local bucket = math.floor(1+(n_buckets-1)/(range/(d-data.min))); - histogram[bucket] = histogram[bucket] + 1; - if histogram[bucket] > max_bin_samples then - max_bin_samples = histogram[bucket]; - end - end - - print(""); - print(("_"):rep(52)..max_bin_samples); - for row = graph_height, 1, -1 do - local row_chars = {}; - local min_eighths, max_eighths = 8, 0; - for i = 1, #histogram do - local char_eighths = math.ceil(math.max(math.min((graph_height/(max_bin_samples/histogram[i]))-(row-1), 1), 0)*8); - if char_eighths < min_eighths then - min_eighths = char_eighths; - end - if char_eighths > max_eighths then - max_eighths = char_eighths; - end - if char_eighths == 0 then - row_chars[i] = "-"; - else - local char = eighth_chars:sub(char_eighths*3+1, char_eighths*3+3); - row_chars[i] = char; - end - end - print(table.concat(row_chars).."|-"..math.ceil((max_bin_samples/graph_height)*(row-0.5))); - end - print(("\\ "):rep(11)); - local x_labels = {}; - for i = 1, 11 do - local s = ("%-4s"):format(format_stat(type, data.min+range*i/11, data.min):match("^%S+")); - if #s > 4 then - s = s:sub(1, 3).."…"; - end - x_labels[i] = s; - end - print(" "..table.concat(x_labels, " ")); - local units = format_stat(type, data.min):match("%s+(.+)$") or data.units or ""; - local margin = math.floor((graph_width-#units)/2); - print((" "):rep(margin)..units); - else - print("[range too small to graph]"); - end - print(""); - end - return self; -end - -local function stats_tostring(stats) - local print = stats.session.print; - for _, stat_info in ipairs(stats) do - if #stat_info.output > 0 then - print("\n#"..stat_info[1]); - print(""); - for _, v in ipairs(stat_info.output) do - print(v); - end - print(""); - else - print(("%-50s %s"):format(stat_info[1], format_stat(stat_info[2], stat_info[3]))); - end - end - return #stats.." statistics displayed"; -end - -local stats_mt = {__index = stats_methods, __tostring = stats_tostring } -local function new_stats_context(self) - return setmetatable({ session = self.session, stats = true }, stats_mt); -end - -function def_env.stats:show(filter) - -- luacheck: ignore 211/changed - local stats, changed, extra = require "core.statsmanager".get_stats(); - local available, displayed = 0, 0; - local displayed_stats = new_stats_context(self); - for name, value in iterators.sorted_pairs(stats) do - available = available + 1; - if not filter or name:match(filter) then - displayed = displayed + 1; - local type = name:match(":(%a+)$"); - table.insert(displayed_stats, { - name, type, value, extra[name]; - output = {}; - }); - end - end - return displayed_stats; -end - - - -------------- - -function printbanner(session) - local option = module:get_option_string("console_banner", "full"); - if option == "full" or option == "graphic" then - session.print [[ - ____ \ / _ - | _ \ _ __ ___ ___ _-_ __| |_ _ - | |_) | '__/ _ \/ __|/ _ \ / _` | | | | - | __/| | | (_) \__ \ |_| | (_| | |_| | - |_| |_| \___/|___/\___/ \__,_|\__, | - A study in simplicity |___/ - -]] - end - if option == "short" or option == "full" then - session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); - session.print("You may find more help on using this console in our online documentation at "); - session.print("https://prosody.im/doc/console\n"); - end - if option ~= "short" and option ~= "full" and option ~= "graphic" then - session.print(option); - end -end - module:provides("net", { name = "console"; listener = console_listener; -- cgit v1.2.3