plugins/mod_admin_telnet.lua

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