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 hostmanager = require "core.hostmanager";
  12 local modulemanager = require "core.modulemanager";
  13 local s2smanager = require "core.s2smanager";
  14 local portmanager = require "core.portmanager";
  15
  16 local _G = _G;
  17
  18 local prosody = _G.prosody;
  19 local hosts = prosody.hosts;
  20 local incoming_s2s = prosody.incoming_s2s;
  21
  22 local console_listener = { default_port = 5582; default_mode = "*a"; interface = "127.0.0.1" };
  23
  24 local iterators = require "util.iterators";
  25 local keys, values = iterators.keys, iterators.values;
  26 local jid = require "util.jid";
  27 local jid_bare, jid_split = jid.bare, jid.split;
  28 local set, array = require "util.set", require "util.array";
  29 local cert_verify_identity = require "util.x509".verify_identity;
  30 local envload = require "util.envload".envload;
  31 local envloadfile = require "util.envload".envloadfile;
  32
  33 local commands = module:shared("commands")
  34 local def_env = module:shared("env");
  35 local default_env_mt = { __index = def_env };
  36 local core_post_stanza = prosody.core_post_stanza;
  37
  38 local function redirect_output(_G, session)
  39         local env = setmetatable({ print = session.print }, { __index = function (t, k) return rawget(_G, k); end });
  40         env.dofile = function(name)
  41                 local f, err = envloadfile(name, env);
  42                 if not f then return f, err; end
  43                 return f();
  44         end;
  45         return env;
  46 end
  47
  48 console = {};
  49
  50 function console:new_session(conn)
  51         local w = function(s) conn:write(s:gsub("\n", "\r\n")); end;
  52         local session = { conn = conn;
  53                         send = function (t) w(tostring(t)); end;
  54                         print = function (...)
  55                                 local t = {};
  56                                 for i=1,select("#", ...) do
  57                                         t[i] = tostring(select(i, ...));
  58                                 end
  59                                 w("| "..table.concat(t, "\t").."\n");
  60                         end;
  61                         disconnect = function () conn:close(); end;
  62                         };
  63         session.env = setmetatable({}, default_env_mt);
  64
  65         -- Load up environment with helper objects
  66         for name, t in pairs(def_env) do
  67                 if type(t) == "table" then
  68                         session.env[name] = setmetatable({ session = session }, { __index = t });
  69                 end
  70         end
  71
  72         return session;
  73 end
  74
  75 local sessions = {};
  76
  77 function console_listener.onconnect(conn)
  78         -- Handle new connection
  79         local session = console:new_session(conn);
  80         sessions[conn] = session;
  81         printbanner(session);
  82         session.send(string.char(0));
  83 end
  84
  85 function console_listener.onincoming(conn, data)
  86         local session = sessions[conn];
  87
  88         local partial = session.partial_data;
  89         if partial then
  90                 data = partial..data;
  91         end
  92
  93         for line in data:gmatch("[^\n]*[\n\004]") do
  94                 -- Handle data (loop allows us to break to add \0 after response)
  95                 repeat
  96                         local useglobalenv;
  97
  98                         if line:match("^>") then
  99                                 line = line:gsub("^>", "");
 100                                 useglobalenv = true;
 101                         elseif line == "\004" then
 102                                 commands["bye"](session, line);
 103                                 break;
 104                         else
 105                                 local command = line:match("^%w+") or line:match("%p");
 106                                 if commands[command] then
 107                                         commands[command](session, line);
 108                                         break;
 109                                 end
 110                         end
 111
 112                         session.env._ = line;
 113
 114                         local chunkname = "=console";
 115                         local env = (useglobalenv and redirect_output(_G, session)) or session.env or nil
 116                         local chunk, err = envload("return "..line, chunkname, env);
 117                         if not chunk then
 118                                 chunk, err = envload(line, chunkname, env);
 119                                 if not chunk then
 120                                         err = err:gsub("^%[string .-%]:%d+: ", "");
 121                                         err = err:gsub("^:%d+: ", "");
 122                                         err = err:gsub("'<eof>'", "the end of the line");
 123                                         session.print("Sorry, I couldn't understand that... "..err);
 124                                         break;
 125                                 end
 126                         end
 127
 128                         local ranok, taskok, message = pcall(chunk);
 129
 130                         if not (ranok or message or useglobalenv) and commands[line:lower()] then
 131                                 commands[line:lower()](session, line);
 132                                 break;
 133                         end
 134
 135                         if not ranok then
 136                                 session.print("Fatal error while running command, it did not complete");
 137                                 session.print("Error: "..taskok);
 138                                 break;
 139                         end
 140
 141                         if not message then
 142                                 session.print("Result: "..tostring(taskok));
 143                                 break;
 144                         elseif (not taskok) and message then
 145                                 session.print("Command completed with a problem");
 146                                 session.print("Message: "..tostring(message));
 147                                 break;
 148                         end
 149
 150                         session.print("OK: "..tostring(message));
 151                 until true
 152
 153                 session.send(string.char(0));
 154         end
 155         session.partial_data = data:match("[^\n]+$");
 156 end
 157
 158 function console_listener.ondisconnect(conn, err)
 159         local session = sessions[conn];
 160         if session then
 161                 session.disconnect();
 162                 sessions[conn] = nil;
 163         end
 164 end
 165
 166 -- Console commands --
 167 -- These are simple commands, not valid standalone in Lua
 168
 169 function commands.bye(session)
 170         session.print("See you! :)");
 171         session.disconnect();
 172 end
 173 commands.quit, commands.exit = commands.bye, commands.bye;
 174
 175 commands["!"] = function (session, data)
 176         if data:match("^!!") and session.env._ then
 177                 session.print("!> "..session.env._);
 178                 return console_listener.onincoming(session.conn, session.env._);
 179         end
 180         local old, new = data:match("^!(.-[^\\])!(.-)!$");
 181         if old and new then
 182                 local ok, res = pcall(string.gsub, session.env._, old, new);
 183                 if not ok then
 184                         session.print(res)
 185                         return;
 186                 end
 187                 session.print("!> "..res);
 188                 return console_listener.onincoming(session.conn, res);
 189         end
 190         session.print("Sorry, not sure what you want");
 191 end
 192
 193
 194 function commands.help(session, data)
 195         local print = session.print;
 196         local section = data:match("^help (%w+)");
 197         if not section then
 198                 print [[Commands are divided into multiple sections. For help on a particular section, ]]
 199                 print [[type: help SECTION (for example, 'help c2s'). Sections are: ]]
 200                 print [[]]
 201                 print [[c2s - Commands to manage local client-to-server sessions]]
 202                 print [[s2s - Commands to manage sessions between this server and others]]
 203                 print [[module - Commands to load/reload/unload modules/plugins]]
 204                 print [[host - Commands to activate, deactivate and list virtual hosts]]
 205                 print [[user - Commands to create and delete users, and change their passwords]]
 206                 print [[server - Uptime, version, shutting down, etc.]]
 207                 print [[config - Reloading the configuration, etc.]]
 208                 print [[console - Help regarding the console itself]]
 209         elseif section == "c2s" then
 210                 print [[c2s:show(jid) - Show all client sessions with the specified JID (or all if no JID given)]]
 211                 print [[c2s:show_insecure() - Show all unencrypted client connections]]
 212                 print [[c2s:show_secure() - Show all encrypted client connections]]
 213                 print [[c2s:close(jid) - Close all sessions for the specified JID]]
 214         elseif section == "s2s" then
 215                 print [[s2s:show(domain) - Show all s2s connections for the given domain (or all if no domain given)]]
 216                 print [[s2s:close(from, to) - Close a connection from one domain to another]]
 217                 print [[s2s:closeall(host) - Close all the incoming/outgoing s2s sessions to specified host]]
 218         elseif section == "module" then
 219                 print [[module:load(module, host) - Load the specified module on the specified host (or all hosts if none given)]]
 220                 print [[module:reload(module, host) - The same, but unloads and loads the module (saving state if the module supports it)]]
 221                 print [[module:unload(module, host) - The same, but just unloads the module from memory]]
 222                 print [[module:list(host) - List the modules loaded on the specified host]]
 223         elseif section == "host" then
 224                 print [[host:activate(hostname) - Activates the specified host]]
 225                 print [[host:deactivate(hostname) - Disconnects all clients on this host and deactivates]]
 226                 print [[host:list() - List the currently-activated hosts]]
 227         elseif section == "user" then
 228                 print [[user:create(jid, password) - Create the specified user account]]
 229                 print [[user:password(jid, password) - Set the password for the specified user account]]
 230                 print [[user:delete(jid, password) - Permanently remove the specified user account]]
 231         elseif section == "server" then
 232                 print [[server:version() - Show the server's version number]]
 233                 print [[server:uptime() - Show how long the server has been running]]
 234                 print [[server:shutdown(reason) - Shut down the server, with an optional reason to be broadcast to all connections]]
 235         elseif section == "config" then
 236                 print [[config:reload() - Reload the server configuration. Modules may need to be reloaded for changes to take effect.]]
 237         elseif section == "console" then
 238                 print [[Hey! Welcome to Prosody's admin console.]]
 239                 print [[First thing, if you're ever wondering how to get out, simply type 'quit'.]]
 240                 print [[Secondly, note that we don't support the full telnet protocol yet (it's coming)]]
 241                 print [[so you may have trouble using the arrow keys, etc. depending on your system.]]
 242                 print [[]]
 243                 print [[For now we offer a couple of handy shortcuts:]]
 244                 print [[!! - Repeat the last command]]
 245                 print [[!old!new! - repeat the last command, but with 'old' replaced by 'new']]
 246                 print [[]]
 247                 print [[For those well-versed in Prosody's internals, or taking instruction from those who are,]]
 248                 print [[you can prefix a command with > to escape the console sandbox, and access everything in]]
 249                 print [[the running server. Great fun, but be careful not to break anything :)]]
 250         end
 251         print [[]]
 252 end
 253
 254 -- Session environment --
 255 -- Anything in def_env will be accessible within the session as a global variable
 256
 257 def_env.server = {};
 258
 259 function def_env.server:insane_reload()
 260         prosody.unlock_globals();
 261         dofile "prosody"
 262         prosody = _G.prosody;
 263         return true, "Server reloaded";
 264 end
 265
 266 function def_env.server:version()
 267         return true, tostring(prosody.version or "unknown");
 268 end
 269
 270 function def_env.server:uptime()
 271         local t = os.time()-prosody.start_time;
 272         local seconds = t%60;
 273         t = (t - seconds)/60;
 274         local minutes = t%60;
 275         t = (t - minutes)/60;
 276         local hours = t%24;
 277         t = (t - hours)/24;
 278         local days = t;
 279         return true, string.format("This server has been running for %d day%s, %d hour%s and %d minute%s (since %s)",
 280                 days, (days ~= 1 and "s") or "", hours, (hours ~= 1 and "s") or "",
 281                 minutes, (minutes ~= 1 and "s") or "", os.date("%c", prosody.start_time));
 282 end
 283
 284 function def_env.server:shutdown(reason)
 285         prosody.shutdown(reason);
 286         return true, "Shutdown initiated";
 287 end
 288
 289 def_env.module = {};
 290
 291 local function get_hosts_set(hosts, module)
 292         if type(hosts) == "table" then
 293                 if hosts[1] then
 294                         return set.new(hosts);
 295                 elseif hosts._items then
 296                         return hosts;
 297                 end
 298         elseif type(hosts) == "string" then
 299                 return set.new { hosts };
 300         elseif hosts == nil then
 301                 local mm = require "modulemanager";
 302                 local hosts_set = set.new(array.collect(keys(prosody.hosts)))
 303                         / function (host) return (prosody.hosts[host].type == "local" or module and mm.is_loaded(host, module)) and host or nil; end;
 304                 if module and mm.get_module("*", module) then
 305                         hosts_set:add("*");
 306                 end
 307                 return hosts_set;
 308         end
 309 end
 310
 311 function def_env.module:load(name, hosts, config)
 312         local mm = require "modulemanager";
 313
 314         hosts = get_hosts_set(hosts);
 315
 316         -- Load the module for each host
 317         local ok, err, count, mod = true, nil, 0, nil;
 318         for host in hosts do
 319                 if (not mm.is_loaded(host, name)) then
 320                         mod, err = mm.load(host, name, config);
 321                         if not mod then
 322                                 ok = false;
 323                                 if err == "global-module-already-loaded" then
 324                                         if count > 0 then
 325                                                 ok, err, count = true, nil, 1;
 326                                         end
 327                                         break;
 328                                 end
 329                                 self.session.print(err or "Unknown error loading module");
 330                         else
 331                                 count = count + 1;
 332                                 self.session.print("Loaded for "..mod.module.host);
 333                         end
 334                 end
 335         end
 336
 337         return ok, (ok and "Module loaded onto "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
 338 end
 339
 340 function def_env.module:unload(name, hosts)
 341         local mm = require "modulemanager";
 342
 343         hosts = get_hosts_set(hosts, name);
 344
 345         -- Unload the module for each host
 346         local ok, err, count = true, nil, 0;
 347         for host in hosts do
 348                 if mm.is_loaded(host, name) then
 349                         ok, err = mm.unload(host, name);
 350                         if not ok then
 351                                 ok = false;
 352                                 self.session.print(err or "Unknown error unloading module");
 353                         else
 354                                 count = count + 1;
 355                                 self.session.print("Unloaded from "..host);
 356                         end
 357                 end
 358         end
 359         return ok, (ok and "Module unloaded from "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
 360 end
 361
 362 function def_env.module:reload(name, hosts)
 363         local mm = require "modulemanager";
 364
 365         hosts = array.collect(get_hosts_set(hosts, name)):sort(function (a, b)
 366                 if a == "*" then return true
 367                 elseif b == "*" then return false
 368                 else return a < b; end
 369         end);
 370
 371         -- Reload the module for each host
 372         local ok, err, count = true, nil, 0;
 373         for _, host in ipairs(hosts) do
 374                 if mm.is_loaded(host, name) then
 375                         ok, err = mm.reload(host, name);
 376                         if not ok then
 377                                 ok = false;
 378                                 self.session.print(err or "Unknown error reloading module");
 379                         else
 380                                 count = count + 1;
 381                                 if ok == nil then
 382                                         ok = true;
 383                                 end
 384                                 self.session.print("Reloaded on "..host);
 385                         end
 386                 end
 387         end
 388         return ok, (ok and "Module reloaded on "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
 389 end
 390
 391 function def_env.module:list(hosts)
 392         if hosts == nil then
 393                 hosts = array.collect(keys(prosody.hosts));
 394                 table.insert(hosts, 1, "*");
 395         end
 396         if type(hosts) == "string" then
 397                 hosts = { hosts };
 398         end
 399         if type(hosts) ~= "table" then
 400                 return false, "Please supply a host or a list of hosts you would like to see";
 401         end
 402
 403         local print = self.session.print;
 404         for _, host in ipairs(hosts) do
 405                 print((host == "*" and "Global" or host)..":");
 406                 local modules = array.collect(keys(modulemanager.get_modules(host) or {})):sort();
 407                 if #modules == 0 then
 408                         if prosody.hosts[host] then
 409                                 print("    No modules loaded");
 410                         else
 411                                 print("    Host not found");
 412                         end
 413                 else
 414                         for _, name in ipairs(modules) do
 415                                 print("    "..name);
 416                         end
 417                 end
 418         end
 419 end
 420
 421 def_env.config = {};
 422 function def_env.config:load(filename, format)
 423         local config_load = require "core.configmanager".load;
 424         local ok, err = config_load(filename, format);
 425         if not ok then
 426                 return false, err or "Unknown error loading config";
 427         end
 428         return true, "Config loaded";
 429 end
 430
 431 function def_env.config:get(host, section, key)
 432         local config_get = require "core.configmanager".get
 433         return true, tostring(config_get(host, section, key));
 434 end
 435
 436 function def_env.config:reload()
 437         local ok, err = prosody.reload_config();
 438         return ok, (ok and "Config reloaded (you may need to reload modules to take effect)") or tostring(err);
 439 end
 440
 441 def_env.hosts = {};
 442 function def_env.hosts:list()
 443         for host, host_session in pairs(hosts) do
 444                 self.session.print(host);
 445         end
 446         return true, "Done";
 447 end
 448
 449 function def_env.hosts:add(name)
 450 end
 451
 452 def_env.c2s = {};
 453
 454 local function show_c2s(callback)
 455         for hostname, host in pairs(hosts) do
 456                 for username, user in pairs(host.sessions or {}) do
 457                         for resource, session in pairs(user.sessions or {}) do
 458                                 local jid = username.."@"..hostname.."/"..resource;
 459                                 callback(jid, session);
 460                         end
 461                 end
 462         end
 463 end
 464
 465 function def_env.c2s:count(match_jid)
 466         local count = 0;
 467         show_c2s(function (jid, session)
 468                 if (not match_jid) or jid:match(match_jid) then
 469                         count = count + 1;
 470                 end
 471         end);
 472         return true, "Total: "..count.." clients";
 473 end
 474
 475 function def_env.c2s:show(match_jid)
 476         local print, count = self.session.print, 0;
 477         local curr_host;
 478         show_c2s(function (jid, session)
 479                 if curr_host ~= session.host then
 480                         curr_host = session.host;
 481                         print(curr_host);
 482                 end
 483                 if (not match_jid) or jid:match(match_jid) then
 484                         count = count + 1;
 485                         local status, priority = "unavailable", tostring(session.priority or "-");
 486                         if session.presence then
 487                                 status = session.presence:child_with_name("show");
 488                                 if status then
 489                                         status = status:get_text() or "[invalid!]";
 490                                 else
 491                                         status = "available";
 492                                 end
 493                         end
 494                         print("   "..jid.." - "..status.."("..priority..")");
 495                 end
 496         end);
 497         return true, "Total: "..count.." clients";
 498 end
 499
 500 function def_env.c2s:show_insecure(match_jid)
 501         local print, count = self.session.print, 0;
 502         show_c2s(function (jid, session)
 503                 if ((not match_jid) or jid:match(match_jid)) and not session.secure then
 504                         count = count + 1;
 505                         print(jid);
 506                 end
 507         end);
 508         return true, "Total: "..count.." insecure client connections";
 509 end
 510
 511 function def_env.c2s:show_secure(match_jid)
 512         local print, count = self.session.print, 0;
 513         show_c2s(function (jid, session)
 514                 if ((not match_jid) or jid:match(match_jid)) and session.secure then
 515                         count = count + 1;
 516                         print(jid);
 517                 end
 518         end);
 519         return true, "Total: "..count.." secure client connections";
 520 end
 521
 522 function def_env.c2s:close(match_jid)
 523         local count = 0;
 524         show_c2s(function (jid, session)
 525                 if jid == match_jid or jid_bare(jid) == match_jid then
 526                         count = count + 1;
 527                         session:close();
 528                 end
 529         end);
 530         return true, "Total: "..count.." sessions closed";
 531 end
 532
 533 local function session_flags(session, line)
 534         if session.cert_identity_status == "valid" then
 535                 line[#line+1] = "(secure)";
 536         elseif session.secure then
 537                 line[#line+1] = "(encrypted)";
 538         end
 539         if session.compressed then
 540                 line[#line+1] = "(compressed)";
 541         end
 542         if session.smacks then
 543                 line[#line+1] = "(sm)";
 544         end
 545         if session.conn and session.conn:ip():match(":") then
 546                 line[#line+1] = "(IPv6)";
 547         end
 548         return table.concat(line, " ");
 549 end
 550
 551 def_env.s2s = {};
 552 function def_env.s2s:show(match_jid)
 553         local _print = self.session.print;
 554         local print = self.session.print;
 555
 556         local count_in, count_out = 0,0;
 557
 558         for host, host_session in pairs(hosts) do
 559                 print = function (...) _print(host); _print(...); print = _print; end
 560                 for remotehost, session in pairs(host_session.s2sout) do
 561                         if (not match_jid) or remotehost:match(match_jid) or host:match(match_jid) then
 562                                 count_out = count_out + 1;
 563                                 print(session_flags(session, {"   ", host, "->", remotehost}));
 564                                 if session.sendq then
 565                                         print("        There are "..#session.sendq.." queued outgoing stanzas for this connection");
 566                                 end
 567                                 if session.type == "s2sout_unauthed" then
 568                                         if session.connecting then
 569                                                 print("        Connection not yet established");
 570                                                 if not session.srv_hosts then
 571                                                         if not session.conn then
 572                                                                 print("        We do not yet have a DNS answer for this host's SRV records");
 573                                                         else
 574                                                                 print("        This host has no SRV records, using A record instead");
 575                                                         end
 576                                                 elseif session.srv_choice then
 577                                                         print("        We are on SRV record "..session.srv_choice.." of "..#session.srv_hosts);
 578                                                         local srv_choice = session.srv_hosts[session.srv_choice];
 579                                                         print("        Using "..(srv_choice.target or ".")..":"..(srv_choice.port or 5269));
 580                                                 end
 581                                         elseif session.notopen then
 582                                                 print("        The <stream> has not yet been opened");
 583                                         elseif not session.dialback_key then
 584                                                 print("        Dialback has not been initiated yet");
 585                                         elseif session.dialback_key then
 586                                                 print("        Dialback has been requested, but no result received");
 587                                         end
 588                                 end
 589                         end
 590                 end
 591                 local subhost_filter = function (h)
 592                                 return (match_jid and h:match(match_jid));
 593                         end
 594                 for session in pairs(incoming_s2s) do
 595                         if session.to_host == host and ((not match_jid) or host:match(match_jid)
 596                                 or (session.from_host and session.from_host:match(match_jid))
 597                                 -- Pft! is what I say to list comprehensions
 598                                 or (session.hosts and #array.collect(keys(session.hosts)):filter(subhost_filter)>0)) then
 599                                 count_in = count_in + 1;
 600                                 print(session_flags(session, {"   ", host, "<-", session.from_host or "(unknown)"}));
 601                                 if session.type == "s2sin_unauthed" then
 602                                                 print("        Connection not yet authenticated");
 603                                 end
 604                                 for name in pairs(session.hosts) do
 605                                         if name ~= session.from_host then
 606                                                 print("        also hosts "..tostring(name));
 607                                         end
 608                                 end
 609                         end
 610                 end
 611
 612                 print = _print;
 613         end
 614
 615         for session in pairs(incoming_s2s) do
 616                 if not session.to_host and ((not match_jid) or session.from_host and session.from_host:match(match_jid)) then
 617                         count_in = count_in + 1;
 618                         print("Other incoming s2s connections");
 619                         print("    (unknown) <- "..(session.from_host or "(unknown)"));
 620                 end
 621         end
 622
 623         return true, "Total: "..count_out.." outgoing, "..count_in.." incoming connections";
 624 end
 625
 626 local function print_subject(print, subject)
 627         for _, entry in ipairs(subject) do
 628                 print(
 629                         ("    %s: %q"):format(
 630                                 entry.name or entry.oid,
 631                                 entry.value:gsub("[\r\n%z%c]", " ")
 632                         )
 633                 );
 634         end
 635 end
 636
 637 -- As much as it pains me to use the 0-based depths that OpenSSL does,
 638 -- I think there's going to be more confusion among operators if we
 639 -- break from that.
 640 local function print_errors(print, errors)
 641         for depth, t in ipairs(errors) do
 642                 print(
 643                         ("    %d: %s"):format(
 644                                 depth-1,
 645                                 table.concat(t, "\n|        ")
 646                         )
 647                 );
 648         end
 649 end
 650
 651 function def_env.s2s:showcert(domain)
 652         local ser = require "util.serialization".serialize;
 653         local print = self.session.print;
 654         local domain_sessions = set.new(array.collect(keys(incoming_s2s)))
 655                 /function(session) return session.from_host == domain and session or nil; end;
 656         for local_host in values(prosody.hosts) do
 657                 local s2sout = local_host.s2sout;
 658                 if s2sout and s2sout[domain] then
 659                         domain_sessions:add(s2sout[domain]);
 660                 end
 661         end
 662         local cert_set = {};
 663         for session in domain_sessions do
 664                 local conn = session.conn;
 665                 conn = conn and conn:socket();
 666                 if not conn.getpeerchain then
 667                         if conn.dohandshake then
 668                                 error("This version of LuaSec does not support certificate viewing");
 669                         end
 670                 else
 671                         local certs = conn:getpeerchain();
 672                         local cert = certs[1];
 673                         if cert then
 674                                 local digest = cert:digest("sha1");
 675                                 if not cert_set[digest] then
 676                                         local chain_valid, chain_errors = conn:getpeerverification();
 677                                         cert_set[digest] = {
 678                                                 {
 679                                                   from = session.from_host,
 680                                                   to = session.to_host,
 681                                                   direction = session.direction
 682                                                 };
 683                                                 chain_valid = chain_valid;
 684                                                 chain_errors = chain_errors;
 685                                                 certs = certs;
 686                                         };
 687                                 else
 688                                         table.insert(cert_set[digest], {
 689                                                 from = session.from_host,
 690                                                 to = session.to_host,
 691                                                 direction = session.direction
 692                                         });
 693                                 end
 694                         end
 695                 end
 696         end
 697         local domain_certs = array.collect(values(cert_set));
 698         -- Phew. We now have a array of unique certificates presented by domain.
 699         local n_certs = #domain_certs;
 700
 701         if n_certs == 0 then
 702                 return "No certificates found for "..domain;
 703         end
 704
 705         local function _capitalize_and_colon(byte)
 706                 return string.upper(byte)..":";
 707         end
 708         local function pretty_fingerprint(hash)
 709                 return hash:gsub("..", _capitalize_and_colon):sub(1, -2);
 710         end
 711
 712         for cert_info in values(domain_certs) do
 713                 local certs = cert_info.certs;
 714                 local cert = certs[1];
 715                 print("---")
 716                 print("Fingerprint (SHA1): "..pretty_fingerprint(cert:digest("sha1")));
 717                 print("");
 718                 local n_streams = #cert_info;
 719                 print("Currently used on "..n_streams.." stream"..(n_streams==1 and "" or "s")..":");
 720                 for _, stream in ipairs(cert_info) do
 721                         if stream.direction == "incoming" then
 722                                 print("    "..stream.to.." <- "..stream.from);
 723                         else
 724                                 print("    "..stream.from.." -> "..stream.to);
 725                         end
 726                 end
 727                 print("");
 728                 local chain_valid, errors = cert_info.chain_valid, cert_info.chain_errors;
 729                 local valid_identity = cert_verify_identity(domain, "xmpp-server", cert);
 730                 if chain_valid then
 731                         print("Trusted certificate: Yes");
 732                 else
 733                         print("Trusted certificate: No");
 734                         print_errors(print, errors);
 735                 end
 736                 print("");
 737                 print("Issuer: ");
 738                 print_subject(print, cert:issuer());
 739                 print("");
 740                 print("Valid for "..domain..": "..(valid_identity and "Yes" or "No"));
 741                 print("Subject:");
 742                 print_subject(print, cert:subject());
 743         end
 744         print("---");
 745         return ("Showing "..n_certs.." certificate"
 746                 ..(n_certs==1 and "" or "s")
 747                 .." presented by "..domain..".");
 748 end
 749
 750 function def_env.s2s:close(from, to)
 751         local print, count = self.session.print, 0;
 752
 753         if not (from and to) then
 754                 return false, "Syntax: s2s:close('from', 'to') - Closes all s2s sessions from 'from' to 'to'";
 755         elseif from == to then
 756                 return false, "Both from and to are the same... you can't do that :)";
 757         end
 758
 759         if hosts[from] and not hosts[to] then
 760                 -- Is an outgoing connection
 761                 local session = hosts[from].s2sout[to];
 762                 if not session then
 763                         print("No outgoing connection from "..from.." to "..to)
 764                 else
 765                         (session.close or s2smanager.destroy_session)(session);
 766                         count = count + 1;
 767                         print("Closed outgoing session from "..from.." to "..to);
 768                 end
 769         elseif hosts[to] and not hosts[from] then
 770                 -- Is an incoming connection
 771                 for session in pairs(incoming_s2s) do
 772                         if session.to_host == to and session.from_host == from then
 773                                 (session.close or s2smanager.destroy_session)(session);
 774                                 count = count + 1;
 775                         end
 776                 end
 777
 778                 if count == 0 then
 779                         print("No incoming connections from "..from.." to "..to);
 780                 else
 781                         print("Closed "..count.." incoming session"..((count == 1 and "") or "s").." from "..from.." to "..to);
 782                 end
 783         elseif hosts[to] and hosts[from] then
 784                 return false, "Both of the hostnames you specified are local, there are no s2s sessions to close";
 785         else
 786                 return false, "Neither of the hostnames you specified are being used on this server";
 787         end
 788
 789         return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s");
 790 end
 791
 792 function def_env.s2s:closeall(host)
 793         local count = 0;
 794
 795         if not host or type(host) ~= "string" then return false, "wrong syntax: please use s2s:closeall('hostname.tld')"; end
 796         if hosts[host] then
 797                 for session in pairs(incoming_s2s) do
 798                         if session.to_host == host then
 799                                 (session.close or s2smanager.destroy_session)(session);
 800                                 count = count + 1;
 801                         end
 802                 end
 803                 for _, session in pairs(hosts[host].s2sout) do
 804                         (session.close or s2smanager.destroy_session)(session);
 805                         count = count + 1;
 806                 end
 807         else
 808                 for session in pairs(incoming_s2s) do
 809                         if session.from_host == host then
 810                                 (session.close or s2smanager.destroy_session)(session);
 811                                 count = count + 1;
 812                         end
 813                 end
 814                 for _, h in pairs(hosts) do
 815                         if h.s2sout[host] then
 816                                 (h.s2sout[host].close or s2smanager.destroy_session)(h.s2sout[host]);
 817                                 count = count + 1;
 818                         end
 819                 end
 820         end
 821
 822         if count == 0 then return false, "No sessions to close.";
 823         else return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s"); end
 824 end
 825
 826 def_env.host = {}; def_env.hosts = def_env.host;
 827
 828 function def_env.host:activate(hostname, config)
 829         return hostmanager.activate(hostname, config);
 830 end
 831 function def_env.host:deactivate(hostname, reason)
 832         return hostmanager.deactivate(hostname, reason);
 833 end
 834
 835 function def_env.host:list()
 836         local print = self.session.print;
 837         local i = 0;
 838         for host in values(array.collect(keys(prosody.hosts)):sort()) do
 839                 i = i + 1;
 840                 print(host);
 841         end
 842         return true, i.." hosts";
 843 end
 844
 845 def_env.port = {};
 846
 847 function def_env.port:list()
 848         local print = self.session.print;
 849         local services = portmanager.get_active_services().data;
 850         local ordered_services, n_ports = {}, 0;
 851         for service, interfaces in pairs(services) do
 852                 table.insert(ordered_services, service);
 853         end
 854         table.sort(ordered_services);
 855         for _, service in ipairs(ordered_services) do
 856                 local ports_list = {};
 857                 for interface, ports in pairs(services[service]) do
 858                         for port in pairs(ports) do
 859                                 table.insert(ports_list, "["..interface.."]:"..port);
 860                         end
 861                 end
 862                 n_ports = n_ports + #ports_list;
 863                 print(service..": "..table.concat(ports_list, ", "));
 864         end
 865         return true, #ordered_services.." services listening on "..n_ports.." ports";
 866 end
 867
 868 function def_env.port:close(close_port, close_interface)
 869         close_port = assert(tonumber(close_port), "Invalid port number");
 870         local n_closed = 0;
 871         local services = portmanager.get_active_services().data;
 872         for service, interfaces in pairs(services) do
 873                 for interface, ports in pairs(interfaces) do
 874                         if not close_interface or close_interface == interface then
 875                                 if ports[close_port] then
 876                                         self.session.print("Closing ["..interface.."]:"..close_port.."...");
 877                                         local ok, err = portmanager.close(interface, close_port)
 878                                         if not ok then
 879                                                 self.session.print("Failed to close "..interface.." "..close_port..": "..err);
 880                                         else
 881                                                 n_closed = n_closed + 1;
 882                                         end
 883                                 end
 884                         end
 885                 end
 886         end
 887         return true, "Closed "..n_closed.." ports";
 888 end
 889
 890 def_env.muc = {};
 891
 892 local console_room_mt = {
 893         __index = function (self, k) return self.room[k]; end;
 894         __tostring = function (self)
 895                 return "MUC room <"..self.room.jid..">";
 896         end;
 897 };
 898
 899 function def_env.muc:room(room_jid)
 900         local room_name, host = jid_split(room_jid);
 901         if not hosts[host] then
 902                 return nil, "No such host: "..host;
 903         elseif not hosts[host].modules.muc then
 904                 return nil, "Host '"..host.."' is not a MUC service";
 905         end
 906         local room_obj = hosts[host].modules.muc.rooms[room_jid];
 907         if not room_obj then
 908                 return nil, "No such room: "..room_jid;
 909         end
 910         return setmetatable({ room = room_obj }, console_room_mt);
 911 end
 912
 913 local um = require"core.usermanager";
 914
 915 def_env.user = {};
 916 function def_env.user:create(jid, password)
 917         local username, host = jid_split(jid);
 918         local ok, err = um.create_user(username, password, host);
 919         if ok then
 920                 return true, "User created";
 921         else
 922                 return nil, "Could not create user: "..err;
 923         end
 924 end
 925
 926 function def_env.user:delete(jid)
 927         local username, host = jid_split(jid);
 928         local ok, err = um.delete_user(username, host);
 929         if ok then
 930                 return true, "User deleted";
 931         else
 932                 return nil, "Could not delete user: "..err;
 933         end
 934 end
 935
 936 function def_env.user:passwd(jid, password)
 937         local username, host = jid_split(jid);
 938         local ok, err = um.set_password(username, password, host);
 939         if ok then
 940                 return true, "User created";
 941         else
 942                 return nil, "Could not change password for user: "..err;
 943         end
 944 end
 945
 946 def_env.xmpp = {};
 947
 948 local st = require "util.stanza";
 949 function def_env.xmpp:ping(localhost, remotehost)
 950         if hosts[localhost] then
 951                 core_post_stanza(hosts[localhost],
 952                         st.iq{ from=localhost, to=remotehost, type="get", id="ping" }
 953                                 :tag("ping", {xmlns="urn:xmpp:ping"}));
 954                 return true, "Sent ping";
 955         else
 956                 return nil, "No such host";
 957         end
 958 end
 959
 960 -------------
 961
 962 function printbanner(session)
 963         local option = module:get_option("console_banner");
 964         if option == nil or option == "full" or option == "graphic" then
 965                 session.print [[
 966                    ____                \   /     _
 967                     |  _ \ _ __ ___  ___  _-_   __| |_   _
 968                     | |_) | '__/ _ \/ __|/ _ \ / _` | | | |
 969                     |  __/| | | (_) \__ \ |_| | (_| | |_| |
 970                     |_|   |_|  \___/|___/\___/ \__,_|\__, |
 971                     A study in simplicity            |___/
 972
 973 ]]
 974         end
 975         if option == nil or option == "short" or option == "full" then
 976         session.print("Welcome to the Prosody administration console. For a list of commands, type: help");
 977         session.print("You may find more help on using this console in our online documentation at ");
 978         session.print("http://prosody.im/doc/console\n");
 979         end
 980         if option and option ~= "short" and option ~= "full" and option ~= "graphic" then
 981                 if type(option) == "string" then
 982                         session.print(option)
 983                 elseif type(option) == "function" then
 984                         module:log("warn", "Using functions as value for the console_banner option is no longer supported");
 985                 end
 986         end
 987 end
 988
 989 module:add_item("net-provider", {
 990         name = "console";
 991         listener = console_listener;
 992         default_port = 5582;
 993         private = true;
 994 });