plugins/mod_admin_telnet.lua

   1 -- Prosody IM
   2 -- Copyright (C) 2008-2010 Matthew Wild
   3 -- Copyright (C) 2008-2010 Waqas Hussain
   4 --
   5 -- This project is MIT/X11 licensed. Please see the
   6 -- COPYING file in the source package for more information.
   7 --
   8
   9 module:set_global();
  10
  11 local _G = _G;
  12
  13 local prosody = _G.prosody;
  14 local hosts = prosody.hosts;
  15
  16 local console_listener = { default_port = 5582; default_mode = "*l"; interface = "127.0.0.1" };
  17
  18 local iterators = require "util.iterators";
  19 local keys, values = iterators.keys, iterators.values;
  20 local jid = require "util.jid";
  21 local jid_bare, jid_split = jid.bare, jid.split;
  22 local set, array = require "util.set", require "util.array";
  23 local cert_verify_identity = require "util.x509".verify_identity;
  24
  25 local commands = module:shared("commands")
  26 local def_env = module:shared("env");
  27 local default_env_mt = { __index = def_env };
  28
  29 local function redirect_output(_G, session)
  30         local env = setmetatable({ print = session.print }, { __index = function (t, k) return rawget(_G, k); end });
  31         env.dofile = function(name)
  32                 local f, err = loadfile(name);
  33                 if not f then return f, err; end
  34                 return setfenv(f, env)();
  35         end;
  36         return env;
  37 end
  38
  39 console = {};
  40
  41 function console:new_session(conn)
  42         local w = function(s) conn:write(s:gsub("\n", "\r\n")); end;
  43         local session = { conn = conn;
  44                         send = function (t) w(tostring(t)); end;
  45                         print = function (...)
  46                                 local t = {};
  47                                 for i=1,select("#", ...) do
  48                                         t[i] = tostring(select(i, ...));
  49                                 end
  50                                 w("| "..table.concat(t, "\t").."\n");
  51                         end;
  52                         disconnect = function () conn:close(); end;
  53                         };
  54         session.env = setmetatable({}, default_env_mt);
  55
  56         -- Load up environment with helper objects
  57         for name, t in pairs(def_env) do
  58                 if type(t) == "table" then
  59                         session.env[name] = setmetatable({ session = session }, { __index = t });
  60                 end
  61         end
  62
  63         return session;
  64 end
  65
  66 local sessions = {};
  67
  68 function console_listener.onconnect(conn)
  69         -- Handle new connection
  70         local session = console:new_session(conn);
  71         sessions[conn] = session;
  72         printbanner(session);
  73         session.send(string.char(0));
  74 end
  75
  76 function console_listener.onincoming(conn, data)
  77         local session = sessions[conn];
  78
  79         -- Handle data
  80         (function(session, data)
  81                 local useglobalenv;
  82
  83                 if data:match("^>") then
  84                         data = data:gsub("^>", "");
  85                         useglobalenv = true;
  86                 elseif data == "\004" then
  87                         commands["bye"](session, data);
  88                         return;
  89                 else
  90                         local command = data:lower();
  91                         command = data:match("^%w+") or data:match("%p");
  92                         if commands[command] then
  93                                 commands[command](session, data);
  94                                 return;
  95                         end
  96                 end
  97
  98                 session.env._ = data;
  99
 100                 local chunkname = "=console";
 101                 local chunk, err = loadstring("return "..data, chunkname);
 102                 if not chunk then
 103                         chunk, err = loadstring(data, chunkname);
 104                         if not chunk then
 105                                 err = err:gsub("^%[string .-%]:%d+: ", "");
 106                                 err = err:gsub("^:%d+: ", "");
 107                                 err = err:gsub("'<eof>'", "the end of the line");
 108                                 session.print("Sorry, I couldn't understand that... "..err);
 109                                 return;
 110                         end
 111                 end
 112
 113                 setfenv(chunk, (useglobalenv and redirect_output(_G, session)) or session.env or nil);
 114
 115                 local ranok, taskok, message = pcall(chunk);
 116
 117                 if not (ranok or message or useglobalenv) and commands[data:lower()] then
 118                         commands[data:lower()](session, data);
 119                         return;
 120                 end
 121
 122                 if not ranok then
 123                         session.print("Fatal error while running command, it did not complete");
 124                         session.print("Error: "..taskok);
 125                         return;
 126                 end
 127
 128                 if not message then
 129                         session.print("Result: "..tostring(taskok));
 130                         return;
 131                 elseif (not taskok) and message then
 132                         session.print("Command completed with a problem");
 133                         session.print("Message: "..tostring(message));
 134                         return;
 135                 end
 136
 137                 session.print("OK: "..tostring(message));
 138         end)(session, data);
 139
 140         session.send(string.char(0));
 141 end
 142
 143 function console_listener.ondisconnect(conn, err)
 144         local session = sessions[conn];
 145         if session then
 146                 session.disconnect();
 147                 sessions[conn] = nil;
 148         end
 149 end
 150
 151 -- Console commands --
 152 -- These are simple commands, not valid standalone in Lua
 153
 154 function commands.bye(session)
 155         session.print("See you! :)");
 156         session.disconnect();
 157 end
 158 commands.quit, commands.exit = commands.bye, commands.bye;
 159
 160 commands["!"] = function (session, data)
 161         if data:match("^!!") and session.env._ then
 162                 session.print("!> "..session.env._);
 163                 return console_listener.onincoming(session.conn, session.env._);
 164         end
 165         local old, new = data:match("^!(.-[^\\])!(.-)!$");
 166         if old and new then
 167                 local ok, res = pcall(string.gsub, session.env._, old, new);
 168                 if not ok then
 169                         session.print(res)
 170                         return;
 171                 end
 172                 session.print("!> "..res);
 173                 return console_listener.onincoming(session.conn, res);
 174         end
 175         session.print("Sorry, not sure what you want");
 176 end
 177
 178
 179 function commands.help(session, data)
 180         local print = session.print;
 181         local section = data:match("^help (%w+)");
 182         if not section then
 183                 print [[Commands are divided into multiple sections. For help on a particular section, ]]
 184                 print [[type: help SECTION (for example, 'help c2s'). Sections are: ]]
 185                 print [[]]
 186                 print [[c2s - Commands to manage local client-to-server sessions]]
 187                 print [[s2s - Commands to manage sessions between this server and others]]
 188                 print [[module - Commands to load/reload/unload modules/plugins]]
 189                 print [[host - Commands to activate, deactivate and list virtual hosts]]
 190                 print [[server - Uptime, version, shutting down, etc.]]
 191                 print [[config - Reloading the configuration, etc.]]
 192                 print [[console - Help regarding the console itself]]
 193         elseif section == "c2s" then
 194                 print [[c2s:show(jid) - Show all client sessions with the specified JID (or all if no JID given)]]
 195                 print [[c2s:show_insecure() - Show all unencrypted client connections]]
 196                 print [[c2s:show_secure() - Show all encrypted client connections]]
 197                 print [[c2s:close(jid) - Close all sessions for the specified JID]]
 198         elseif section == "s2s" then
 199                 print [[s2s:show(domain) - Show all s2s connections for the given domain (or all if no domain given)]]
 200                 print [[s2s:close(from, to) - Close a connection from one domain to another]]
 201         elseif section == "module" then
 202                 print [[module:load(module, host) - Load the specified module on the specified host (or all hosts if none given)]]
 203                 print [[module:reload(module, host) - The same, but unloads and loads the module (saving state if the module supports it)]]
 204                 print [[module:unload(module, host) - The same, but just unloads the module from memory]]
 205                 print [[module:list(host) - List the modules loaded on the specified host]]
 206         elseif section == "host" then
 207                 print [[host:activate(hostname) - Activates the specified host]]
 208                 print [[host:deactivate(hostname) - Disconnects all clients on this host and deactivates]]
 209                 print [[host:list() - List the currently-activated hosts]]
 210         elseif section == "server" then
 211                 print [[server:version() - Show the server's version number]]
 212                 print [[server:uptime() - Show how long the server has been running]]
 213                 print [[server:shutdown(reason) - Shut down the server, with an optional reason to be broadcast to all connections]]
 214         elseif section == "config" then
 215                 print [[config:reload() - Reload the server configuration. Modules may need to be reloaded for changes to take effect.]]
 216         elseif section == "console" then
 217                 print [[Hey! Welcome to Prosody's admin console.]]
 218                 print [[First thing, if you're ever wondering how to get out, simply type 'quit'.]]
 219                 print [[Secondly, note that we don't support the full telnet protocol yet (it's coming)]]
 220                 print [[so you may have trouble using the arrow keys, etc. depending on your system.]]
 221                 print [[]]
 222                 print [[For now we offer a couple of handy shortcuts:]]
 223                 print [[!! - Repeat the last command]]
 224                 print [[!old!new! - repeat the last command, but with 'old' replaced by 'new']]
 225                 print [[]]
 226                 print [[For those well-versed in Prosody's internals, or taking instruction from those who are,]]
 227                 print [[you can prefix a command with > to escape the console sandbox, and access everything in]]
 228                 print [[the running server. Great fun, but be careful not to break anything :)]]
 229         end
 230         print [[]]
 231 end
 232
 233 -- Session environment --
 234 -- Anything in def_env will be accessible within the session as a global variable
 235
 236 def_env.server = {};
 237
 238 function def_env.server:insane_reload()
 239         prosody.unlock_globals();
 240         dofile "prosody"
 241         prosody = _G.prosody;
 242         return true, "Server reloaded";
 243 end
 244
 245 function def_env.server:version()
 246         return true, tostring(prosody.version or "unknown");
 247 end
 248
 249 function def_env.server:uptime()
 250         local t = os.time()-prosody.start_time;
 251         local seconds = t%60;
 252         t = (t - seconds)/60;
 253         local minutes = t%60;
 254         t = (t - minutes)/60;
 255         local hours = t%24;
 256         t = (t - hours)/24;
 257         local days = t;
 258         return true, string.format("This server has been running for %d day%s, %d hour%s and %d minute%s (since %s)",
 259                 days, (days ~= 1 and "s") or "", hours, (hours ~= 1 and "s") or "",
 260                 minutes, (minutes ~= 1 and "s") or "", os.date("%c", prosody.start_time));
 261 end
 262
 263 function def_env.server:shutdown(reason)
 264         prosody.shutdown(reason);
 265         return true, "Shutdown initiated";
 266 end
 267
 268 def_env.module = {};
 269
 270 local function get_hosts_set(hosts, module)
 271         if type(hosts) == "table" then
 272                 if hosts[1] then
 273                         return set.new(hosts);
 274                 elseif hosts._items then
 275                         return hosts;
 276                 end
 277         elseif type(hosts) == "string" then
 278                 return set.new { hosts };
 279         elseif hosts == nil then
 280                 local mm = require "modulemanager";
 281                 local hosts_set = set.new(array.collect(keys(prosody.hosts)))
 282                         / function (host) return prosody.hosts[host].type == "local" or module and mm.is_loaded(host, module); end;
 283                 if module and mm.get_module("*", module) then
 284                         hosts_set:add("*");
 285                 end
 286                 return hosts_set;
 287         end
 288 end
 289
 290 function def_env.module:load(name, hosts, config)
 291         local mm = require "modulemanager";
 292
 293         hosts = get_hosts_set(hosts);
 294
 295         -- Load the module for each host
 296         local ok, err, count, mod = true, nil, 0, nil;
 297         for host in hosts do
 298                 if (not mm.is_loaded(host, name)) then
 299                         mod, err = mm.load(host, name, config);
 300                         if not mod then
 301                                 ok = false;
 302                                 if err == "global-module-already-loaded" then
 303                                         if count > 0 then
 304                                                 ok, err, count = true, nil, 1;
 305                                         end
 306                                         break;
 307                                 end
 308                                 self.session.print(err or "Unknown error loading module");
 309                         else
 310                                 count = count + 1;
 311                                 self.session.print("Loaded for "..mod.module.host);
 312                         end
 313                 end
 314         end
 315
 316         return ok, (ok and "Module loaded onto "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
 317 end
 318
 319 function def_env.module:unload(name, hosts)
 320         local mm = require "modulemanager";
 321
 322         hosts = get_hosts_set(hosts, name);
 323
 324         -- Unload the module for each host
 325         local ok, err, count = true, nil, 0;
 326         for host in hosts do
 327                 if mm.is_loaded(host, name) then
 328                         ok, err = mm.unload(host, name);
 329                         if not ok then
 330                                 ok = false;
 331                                 self.session.print(err or "Unknown error unloading module");
 332                         else
 333                                 count = count + 1;
 334                                 self.session.print("Unloaded from "..host);
 335                         end
 336                 end
 337         end
 338         return ok, (ok and "Module unloaded from "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
 339 end
 340
 341 function def_env.module:reload(name, hosts)
 342         local mm = require "modulemanager";
 343
 344         hosts = array.collect(get_hosts_set(hosts, name)):sort(function (a, b)
 345                 if a == "*" then return true
 346                 elseif b == "*" then return false
 347                 else return a < b; end
 348         end);
 349
 350         -- Reload the module for each host
 351         local ok, err, count = true, nil, 0;
 352         for _, host in ipairs(hosts) do
 353                 if mm.is_loaded(host, name) then
 354                         ok, err = mm.reload(host, name);
 355                         if not ok then
 356                                 ok = false;
 357                                 self.session.print(err or "Unknown error reloading module");
 358                         else
 359                                 count = count + 1;
 360                                 if ok == nil then
 361                                         ok = true;
 362                                 end
 363                                 self.session.print("Reloaded on "..host);
 364                         end
 365                 end
 366         end
 367         return ok, (ok and "Module reloaded on "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
 368 end
 369
 370 function def_env.module:list(hosts)
 371         if hosts == nil then
 372                 hosts = array.collect(keys(prosody.hosts));
 373                 table.insert(hosts, 1, "*");
 374         end
 375         if type(hosts) == "string" then
 376                 hosts = { hosts };
 377         end
 378         if type(hosts) ~= "table" then
 379                 return false, "Please supply a host or a list of hosts you would like to see";
 380         end
 381
 382         local print = self.session.print;
 383         for _, host in ipairs(hosts) do
 384                 print((host == "*" and "Global" or host)..":");
 385                 local modules = array.collect(keys(modulemanager.get_modules(host) or {})):sort();
 386                 if #modules == 0 then
 387                         if prosody.hosts[host] then
 388                                 print("    No modules loaded");
 389                         else
 390                                 print("    Host not found");
 391                         end
 392                 else
 393                         for _, name in ipairs(modules) do
 394                                 print("    "..name);
 395                         end
 396                 end
 397         end
 398 end
 399
 400 def_env.config = {};
 401 function def_env.config:load(filename, format)
 402         local config_load = require "core.configmanager".load;
 403         local ok, err = config_load(filename, format);
 404         if not ok then
 405                 return false, err or "Unknown error loading config";
 406         end
 407         return true, "Config loaded";
 408 end
 409
 410 function def_env.config:get(host, section, key)
 411         local config_get = require "core.configmanager".get
 412         return true, tostring(config_get(host, section, key));
 413 end
 414
 415 function def_env.config:reload()
 416         local ok, err = prosody.reload_config();
 417         return ok, (ok and "Config reloaded (you may need to reload modules to take effect)") or tostring(err);
 418 end
 419
 420 def_env.hosts = {};
 421 function def_env.hosts:list()
 422         for host, host_session in pairs(hosts) do
 423                 self.session.print(host);
 424         end
 425         return true, "Done";
 426 end
 427
 428 function def_env.hosts:add(name)
 429 end
 430
 431 def_env.c2s = {};
 432
 433 local function show_c2s(callback)
 434         for hostname, host in pairs(hosts) do
 435                 for username, user in pairs(host.sessions or {}) do
 436                         for resource, session in pairs(user.sessions or {}) do
 437                                 local jid = username.."@"..hostname.."/"..resource;
 438                                 callback(jid, session);
 439                         end
 440                 end
 441         end
 442 end
 443
 444 function def_env.c2s:count(match_jid)
 445         local count = 0;
 446         show_c2s(function (jid, session)
 447                 if (not match_jid) or jid:match(match_jid) then
 448                         count = count + 1;
 449                 end
 450         end);
 451         return true, "Total: "..count.." clients";
 452 end
 453
 454 function def_env.c2s:show(match_jid)
 455         local print, count = self.session.print, 0;
 456         local curr_host;
 457         show_c2s(function (jid, session)
 458                 if curr_host ~= session.host then
 459                         curr_host = session.host;
 460                         print(curr_host);
 461                 end
 462                 if (not match_jid) or jid:match(match_jid) then
 463                         count = count + 1;
 464                         local status, priority = "unavailable", tostring(session.priority or "-");
 465                         if session.presence then
 466                                 status = session.presence:child_with_name("show");
 467                                 if status then
 468                                         status = status:get_text() or "[invalid!]";
 469                                 else
 470                                         status = "available";
 471                                 end
 472                         end
 473                         print("   "..jid.." - "..status.."("..priority..")");
 474                 end
 475         end);
 476         return true, "Total: "..count.." clients";
 477 end
 478
 479 function def_env.c2s:show_insecure(match_jid)
 480         local print, count = self.session.print, 0;
 481         show_c2s(function (jid, session)
 482                 if ((not match_jid) or jid:match(match_jid)) and not session.secure then
 483                         count = count + 1;
 484                         print(jid);
 485                 end
 486         end);
 487         return true, "Total: "..count.." insecure client connections";
 488 end
 489
 490 function def_env.c2s:show_secure(match_jid)
 491         local print, count = self.session.print, 0;
 492         show_c2s(function (jid, session)
 493                 if ((not match_jid) or jid:match(match_jid)) and session.secure then
 494                         count = count + 1;
 495                         print(jid);
 496                 end
 497         end);
 498         return true, "Total: "..count.." secure client connections";
 499 end
 500
 501 function def_env.c2s:close(match_jid)
 502         local print, count = self.session.print, 0;
 503         show_c2s(function (jid, session)
 504                 if jid == match_jid or jid_bare(jid) == match_jid then
 505                         count = count + 1;
 506                         session:close();
 507                 end
 508         end);
 509         return true, "Total: "..count.." sessions closed";
 510 end
 511
 512 local function session_flags(session, line)
 513         if session.cert_identity_status == "valid" then
 514                 line[#line+1] = "(secure)";
 515         elseif session.secure then
 516                 line[#line+1] = "(encrypted)";
 517         end
 518         if session.compressed then
 519                 line[#line+1] = "(compressed)";
 520         end
 521         if session.smacks then
 522                 line[#line+1] = "(sm)";
 523         end
 524         if session.conn and session.conn:ip():match(":") then
 525                 line[#line+1] = "(IPv6)";
 526         end
 527         return table.concat(line, " ");
 528 end
 529
 530 def_env.s2s = {};
 531 function def_env.s2s:show(match_jid)
 532         local _print = self.session.print;
 533         local print = self.session.print;
 534
 535         local count_in, count_out = 0,0;
 536
 537         for host, host_session in pairs(hosts) do
 538                 print = function (...) _print(host); _print(...); print = _print; end
 539                 for remotehost, session in pairs(host_session.s2sout) do
 540                         if (not match_jid) or remotehost:match(match_jid) or host:match(match_jid) then
 541                                 count_out = count_out + 1;
 542                                 print(session_flags(session, {"   ", host, "->", remotehost}));
 543                                 if session.sendq then
 544                                         print("        There are "..#session.sendq.." queued outgoing stanzas for this connection");
 545                                 end
 546                                 if session.type == "s2sout_unauthed" then
 547                                         if session.connecting then
 548                                                 print("        Connection not yet established");
 549                                                 if not session.srv_hosts then
 550                                                         if not session.conn then
 551                                                                 print("        We do not yet have a DNS answer for this host's SRV records");
 552                                                         else
 553                                                                 print("        This host has no SRV records, using A record instead");
 554                                                         end
 555                                                 elseif session.srv_choice then
 556                                                         print("        We are on SRV record "..session.srv_choice.." of "..#session.srv_hosts);
 557                                                         local srv_choice = session.srv_hosts[session.srv_choice];
 558                                                         print("        Using "..(srv_choice.target or ".")..":"..(srv_choice.port or 5269));
 559                                                 end
 560                                         elseif session.notopen then
 561                                                 print("        The <stream> has not yet been opened");
 562                                         elseif not session.dialback_key then
 563                                                 print("        Dialback has not been initiated yet");
 564                                         elseif session.dialback_key then
 565                                                 print("        Dialback has been requested, but no result received");
 566                                         end
 567                                 end
 568                         end
 569                 end
 570                 local subhost_filter = function (h)
 571                                 return (match_jid and h:match(match_jid));
 572                         end
 573                 for session in pairs(incoming_s2s) do
 574                         if session.to_host == host and ((not match_jid) or host:match(match_jid)
 575                                 or (session.from_host and session.from_host:match(match_jid))
 576                                 -- Pft! is what I say to list comprehensions
 577                                 or (session.hosts and #array.collect(keys(session.hosts)):filter(subhost_filter)>0)) then
 578                                 count_in = count_in + 1;
 579                                 print(session_flags(session, {"   ", host, "<-", session.from_host or "(unknown)"}));
 580                                 if session.type == "s2sin_unauthed" then
 581                                                 print("        Connection not yet authenticated");
 582                                 end
 583                                 for name in pairs(session.hosts) do
 584                                         if name ~= session.from_host then
 585                                                 print("        also hosts "..tostring(name));
 586                                         end
 587                                 end
 588                         end
 589                 end
 590
 591                 print = _print;
 592         end
 593
 594         for session in pairs(incoming_s2s) do
 595                 if not session.to_host and ((not match_jid) or session.from_host and session.from_host:match(match_jid)) then
 596                         count_in = count_in + 1;
 597                         print("Other incoming s2s connections");
 598                         print("    (unknown) <- "..(session.from_host or "(unknown)"));
 599                 end
 600         end
 601
 602         return true, "Total: "..count_out.." outgoing, "..count_in.." incoming connections";
 603 end
 604
 605 local function print_subject(print, subject)
 606         for _, entry in ipairs(subject) do
 607                 print(
 608                         ("    %s: %q"):format(
 609                                 entry.name or entry.oid,
 610                                 entry.value:gsub("[\r\n%z%c]", " ")
 611                         )
 612                 );
 613         end
 614 end
 615
 616 -- As much as it pains me to use the 0-based depths that OpenSSL does,
 617 -- I think there's going to be more confusion among operators if we
 618 -- break from that.
 619 local function print_errors(print, errors)
 620         for depth, t in ipairs(errors) do
 621                 print(
 622                         ("    %d: %s"):format(
 623                                 depth-1,
 624                                 table.concat(t, "\n|        ")
 625                         )
 626                 );
 627         end
 628 end
 629
 630 function def_env.s2s:showcert(domain)
 631         local ser = require "util.serialization".serialize;
 632         local print = self.session.print;
 633         local domain_sessions = set.new(array.collect(keys(incoming_s2s)))
 634                 /function(session) return session.from_host == domain; end;
 635         for local_host in values(prosody.hosts) do
 636                 local s2sout = local_host.s2sout;
 637                 if s2sout and s2sout[domain] then
 638                         domain_sessions:add(s2sout[domain]);
 639                 end
 640         end
 641         local cert_set = {};
 642         for session in domain_sessions do
 643                 local conn = session.conn;
 644                 conn = conn and conn:socket();
 645                 if not conn.getpeerchain then
 646                         if conn.dohandshake then
 647                                 error("This version of LuaSec does not support certificate viewing");
 648                         end
 649                 else
 650                         local certs = conn:getpeerchain();
 651                         local cert = certs[1];
 652                         if cert then
 653                                 local digest = cert:digest("sha1");
 654                                 if not cert_set[digest] then
 655                                         local chain_valid, chain_errors = conn:getpeerverification();
 656                                         cert_set[digest] = {
 657                                                 {
 658                                                   from = session.from_host,
 659                                                   to = session.to_host,
 660                                                   direction = session.direction
 661                                                 };
 662                                                 chain_valid = chain_valid;
 663                                                 chain_errors = chain_errors;
 664                                                 certs = certs;
 665                                         };
 666                                 else
 667                                         table.insert(cert_set[digest], {
 668                                                 from = session.from_host,
 669                                                 to = session.to_host,
 670                                                 direction = session.direction
 671                                         });
 672                                 end
 673                         end
 674                 end
 675         end
 676         local domain_certs = array.collect(values(cert_set));
 677         -- Phew. We now have a array of unique certificates presented by domain.
 678         local print = self.session.print;
 679         local n_certs = #domain_certs;
 680
 681         if n_certs == 0 then
 682                 return "No certificates found for "..domain;
 683         end
 684
 685         local function _capitalize_and_colon(byte)
 686                 return string.upper(byte)..":";
 687         end
 688         local function pretty_fingerprint(hash)
 689                 return hash:gsub("..", _capitalize_and_colon):sub(1, -2);
 690         end
 691
 692         for cert_info in values(domain_certs) do
 693                 local certs = cert_info.certs;
 694                 local cert = certs[1];
 695                 print("---")
 696                 print("Fingerprint (SHA1): "..pretty_fingerprint(cert:digest("sha1")));
 697                 print("");
 698                 local n_streams = #cert_info;
 699                 print("Currently used on "..n_streams.." stream"..(n_streams==1 and "" or "s")..":");
 700                 for _, stream in ipairs(cert_info) do
 701                         if stream.direction == "incoming" then
 702                                 print("    "..stream.to.." <- "..stream.from);
 703                         else
 704                                 print("    "..stream.from.." -> "..stream.to);
 705                         end
 706                 end
 707                 print("");
 708                 local chain_valid, errors = cert_info.chain_valid, cert_info.chain_errors;
 709                 local valid_identity = cert_verify_identity(domain, "xmpp-server", cert);
 710                 if chain_valid then
 711                         print("Trusted certificate: Yes");
 712                 else
 713                         print("Trusted certificate: No");
 714                         print_errors(print, errors);
 715                 end
 716                 print("");
 717                 print("Issuer: ");
 718                 print_subject(print, cert:issuer());
 719                 print("");
 720                 print("Valid for "..domain..": "..(valid_identity and "Yes" or "No"));
 721                 print("Subject:");
 722                 print_subject(print, cert:subject());
 723         end
 724         print("---");
 725         return ("Showing "..n_certs.." certificate"
 726                 ..(n_certs==1 and "" or "s")
 727                 .." presented by "..domain..".");
 728 end
 729
 730 function def_env.s2s:close(from, to)
 731         local print, count = self.session.print, 0;
 732
 733         if not (from and to) then
 734                 return false, "Syntax: s2s:close('from', 'to') - Closes all s2s sessions from 'from' to 'to'";
 735         elseif from == to then
 736                 return false, "Both from and to are the same... you can't do that :)";
 737         end
 738
 739         if hosts[from] and not hosts[to] then
 740                 -- Is an outgoing connection
 741                 local session = hosts[from].s2sout[to];
 742                 if not session then
 743                         print("No outgoing connection from "..from.." to "..to)
 744                 else
 745                         (session.close or s2smanager.destroy_session)(session);
 746                         count = count + 1;
 747                         print("Closed outgoing session from "..from.." to "..to);
 748                 end
 749         elseif hosts[to] and not hosts[from] then
 750                 -- Is an incoming connection
 751                 for session in pairs(incoming_s2s) do
 752                         if session.to_host == to and session.from_host == from then
 753                                 (session.close or s2smanager.destroy_session)(session);
 754                                 count = count + 1;
 755                         end
 756                 end
 757
 758                 if count == 0 then
 759                         print("No incoming connections from "..from.." to "..to);
 760                 else
 761                         print("Closed "..count.." incoming session"..((count == 1 and "") or "s").." from "..from.." to "..to);
 762                 end
 763         elseif hosts[to] and hosts[from] then
 764                 return false, "Both of the hostnames you specified are local, there are no s2s sessions to close";
 765         else
 766                 return false, "Neither of the hostnames you specified are being used on this server";
 767         end
 768
 769         return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s");
 770 end
 771
 772 def_env.host = {}; def_env.hosts = def_env.host;
 773
 774 function def_env.host:activate(hostname, config)
 775         return hostmanager.activate(hostname, config);
 776 end
 777 function def_env.host:deactivate(hostname, reason)
 778         return hostmanager.deactivate(hostname, reason);
 779 end
 780
 781 function def_env.host:list()
 782         local print = self.session.print;
 783         local i = 0;
 784         for host in values(array.collect(keys(prosody.hosts)):sort()) do
 785                 i = i + 1;
 786                 print(host);
 787         end
 788         return true, i.." hosts";
 789 end
 790
 791 def_env.port = {};
 792
 793 function def_env.port:list()
 794         local print = self.session.print;
 795         local services = portmanager.get_active_services().data;
 796         local ordered_services, n_ports = {}, 0;
 797         for service, interfaces in pairs(services) do
 798                 table.insert(ordered_services, service);
 799         end
 800         table.sort(ordered_services);
 801         for _, service in ipairs(ordered_services) do
 802                 local ports_list = {};
 803                 for interface, ports in pairs(services[service]) do
 804                         for port in pairs(ports) do
 805                                 table.insert(ports_list, "["..interface.."]:"..port);
 806                         end
 807                 end
 808                 n_ports = n_ports + #ports_list;
 809                 print(service..": "..table.concat(ports_list, ", "));
 810         end
 811         return true, #ordered_services.." services listening on "..n_ports.." ports";
 812 end
 813
 814 function def_env.port:close(close_port, close_interface)
 815         close_port = assert(tonumber(close_port), "Invalid port number");
 816         local n_closed = 0;
 817         local services = portmanager.get_active_services().data;
 818         for service, interfaces in pairs(services) do
 819                 for interface, ports in pairs(interfaces) do
 820                         if not close_interface or close_interface == interface then
 821                                 if ports[close_port] then
 822                                         self.session.print("Closing ["..interface.."]:"..close_port.."...");
 823                                         local ok, err = portmanager.close(interface, close_port)
 824                                         if not ok then
 825                                                 self.session.print("Failed to close "..interface.." "..port..": "..err);
 826                                         else
 827                                                 n_closed = n_closed + 1;
 828                                         end
 829                                 end
 830                         end
 831                 end
 832         end
 833         return true, "Closed "..n_closed.." ports";
 834 end
 835
 836 def_env.muc = {};
 837
 838 local console_room_mt = {
 839         __index = function (self, k) return self.room[k]; end;
 840         __tostring = function (self)
 841                 return "MUC room <"..self.room.jid..">";
 842         end;
 843 };
 844
 845 function def_env.muc:room(room_jid)
 846         local room_name, host = jid_split(room_jid);
 847         if not hosts[host] then
 848                 return nil, "No such host: "..host;
 849         elseif not hosts[host].modules.muc then
 850                 return nil, "Host '"..host.."' is not a MUC service";
 851         end
 852         local room_obj = hosts[host].modules.muc.rooms[room_jid];
 853         if not room_obj then
 854                 return nil, "No such room: "..room_jid;
 855         end
 856         return setmetatable({ room = room_obj }, console_room_mt);
 857 end
 858
 859 -------------
 860
 861 function printbanner(session)
 862         local option = config.get("*", "core", "console_banner");
 863 if option == nil or option == "full" or option == "graphic" then
 864 session.print [[
 865                    ____                \   /     _
 866                     |  _ \ _ __ ___  ___  _-_   __| |_   _
 867                     | |_) | '__/ _ \/ __|/ _ \ / _` | | | |
 868                     |  __/| | | (_) \__ \ |_| | (_| | |_| |
 869                     |_|   |_|  \___/|___/\___/ \__,_|\__, |
 870                     A study in simplicity            |___/
 871
 872 ]]
 873 end
 874 if option == nil or option == "short" or option == "full" then
 875 session.print("Welcome to the Prosody administration console. For a list of commands, type: help");
 876 session.print("You may find more help on using this console in our online documentation at ");
 877 session.print("http://prosody.im/doc/console\n");
 878 end
 879 if option and option ~= "short" and option ~= "full" and option ~= "graphic" then
 880         if type(option) == "string" then
 881                 session.print(option)
 882         elseif type(option) == "function" then
 883                 setfenv(option, redirect_output(_G, session));
 884                 pcall(option, session);
 885         end
 886 end
 887 end
 888
 889 module:add_item("net-provider", {
 890         name = "console";
 891         listener = console_listener;
 892         default_port = 5582;
 893         private = true;
 894 });