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