--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/mod_admin_shell.lua Mon Jun 01 15:43:00 2020 +0100
@@ -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