diff options
| -rw-r--r-- | plugins/mod_admin_shell.lua | 1637 |
1 files changed, 1637 insertions, 0 deletions
diff --git a/plugins/mod_admin_shell.lua b/plugins/mod_admin_shell.lua new file mode 100644 index 00000000..d471e32f --- /dev/null +++ b/plugins/mod_admin_shell.lua @@ -0,0 +1,1637 @@ +-- 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. +-- +-- luacheck: ignore 212/self + +module:set_global(); +module:depends("admin_socket"); + +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 st = require "util.stanza"; + +local _G = _G; + +local prosody = _G.prosody; + +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 commands = module:shared("commands") +local def_env = module:shared("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; +end + +console = {}; + +local runner_callbacks = {}; + +function runner_callbacks:error(err) + module:log("error", "Traceback[shell]: %s", err); + + self.data.print("Fatal error while running command, it did not complete"); + self.data.print("Error: "..tostring(err)); +end + +local function send_repl_result(session, line) + return session.send(st.stanza("repl-result"):text(tostring(line))); +end + +function console:new_session(admin_session) + local session = { + send = function (t) + return send_repl_result(admin_session, t); + end; + print = function (...) + local t = {}; + for i=1,select("#", ...) do + t[i] = tostring(select(i, ...)); + end + return send_repl_result(admin_session, table.concat(t, "\t")); + end; + serialize = tostring; + disconnect = function () admin_session:close(); end; + }; + session.env = setmetatable({}, default_env_mt); + + session.thread = async.runner(function (line) + console:process_line(session, line); + end, runner_callbacks, session); + + -- Load up environment with helper objects + for name, t in pairs(def_env) do + if type(t) == "table" then + session.env[name] = setmetatable({ session = session }, { __index = t }); + end + end + + session.env.output:configure(); + + return session; +end + +local function handle_line(event) + local session = event.origin.shell_session; + if not session then + session = console:new_session(event.origin); + event.origin.shell_session = session; + end + local line = event.stanza:get_text(); + local useglobalenv; + + + module:log("debug", "HELLO: %s", line) + if line:match("^>") then + line = line:gsub("^>", ""); + useglobalenv = true; + 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("'<eof>'", "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)); + return; + end + + session.print("OK: "..tostring(message)); +end + +module:hook("admin/repl-line", function (event) + local ok, err = pcall(handle_line, event); + if not ok then + event.origin.send(st.stanza("repl-result", { type = "error" }):text(err)); + end +end); + +-- Console commands -- +-- These are simple commands, not valid standalone in Lua + +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 <stream> 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 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 }; + +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 |