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