-
Notifications
You must be signed in to change notification settings - Fork 0
/
prosodyctl
executable file
·1534 lines (1401 loc) · 50.1 KB
/
prosodyctl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/env lua
-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
-- prosodyctl - command-line controller for Prosody XMPP server
-- Will be modified by configure script if run --
CFG_SOURCEDIR=CFG_SOURCEDIR or os.getenv("PROSODY_SRCDIR");
CFG_CONFIGDIR=CFG_CONFIGDIR or os.getenv("PROSODY_CFGDIR");
CFG_PLUGINDIR=CFG_PLUGINDIR or os.getenv("PROSODY_PLUGINDIR");
CFG_DATADIR=CFG_DATADIR or os.getenv("PROSODY_DATADIR");
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
local function is_relative(path)
local path_sep = package.config:sub(1,1);
return ((path_sep == "/" and path:sub(1,1) ~= "/")
or (path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\")))
end
-- Tell Lua where to find our libraries
if CFG_SOURCEDIR then
local function filter_relative_paths(path)
if is_relative(path) then return ""; end
end
local function sanitise_paths(paths)
return (paths:gsub("[^;]+;?", filter_relative_paths):gsub(";;+", ";"));
end
package.path = sanitise_paths(CFG_SOURCEDIR.."/?.lua;"..package.path);
package.cpath = sanitise_paths(CFG_SOURCEDIR.."/?.so;"..package.cpath);
end
-- Substitute ~ with path to home directory in data path
if CFG_DATADIR then
if os.getenv("HOME") then
CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));
end
end
-- Global 'prosody' object
local prosody = {
hosts = {};
events = require "util.events".new();
platform = "posix";
lock_globals = function () end;
unlock_globals = function () end;
installed = CFG_SOURCEDIR ~= nil;
core_post_stanza = function () end; -- TODO: mod_router!
};
_G.prosody = prosody;
local dependencies = require "util.dependencies";
if not dependencies.check_dependencies() then
os.exit(1);
end
config = require "core.configmanager"
local ENV_CONFIG;
do
local filenames = {};
local filename;
if arg[1] == "--config" and arg[2] then
table.insert(filenames, arg[2]);
if CFG_CONFIGDIR then
table.insert(filenames, CFG_CONFIGDIR.."/"..arg[2]);
end
table.remove(arg, 1); table.remove(arg, 1);
else
for _, format in ipairs(config.parsers()) do
table.insert(filenames, (CFG_CONFIGDIR or ".").."/prosody.cfg."..format);
end
end
for _,_filename in ipairs(filenames) do
filename = _filename;
local file = io.open(filename);
if file then
file:close();
ENV_CONFIG = filename;
CFG_CONFIGDIR = filename:match("^(.*)[\\/][^\\/]*$");
break;
end
end
local ok, level, err = config.load(filename);
if not ok then
print("\n");
print("**************************");
if level == "parser" then
print("A problem occured while reading the config file "..filename);
local err_line, err_message = tostring(err):match("%[string .-%]:(%d*): (.*)");
print("Error"..(err_line and (" on line "..err_line) or "")..": "..(err_message or tostring(err)));
print("");
elseif level == "file" then
print("Prosody was unable to find the configuration file.");
print("We looked for: "..filename);
print("A sample config file is included in the Prosody download called prosody.cfg.lua.dist");
print("Copy or rename it to prosody.cfg.lua and edit as necessary.");
end
print("More help on configuring Prosody can be found at http://prosody.im/doc/configure");
print("Good luck!");
print("**************************");
print("");
os.exit(1);
end
end
local original_logging_config = config.get("*", "log");
config.set("*", "log", { { levels = { min = os.getenv("PROSODYCTL_LOG_LEVEL") or "info" }, to = "console" } });
local data_path = config.get("*", "data_path") or CFG_DATADIR or "data";
local custom_plugin_paths = config.get("*", "plugin_paths");
if custom_plugin_paths then
local path_sep = package.config:sub(3,3);
-- path1;path2;path3;defaultpath...
CFG_PLUGINDIR = table.concat(custom_plugin_paths, path_sep)..path_sep..(CFG_PLUGINDIR or "plugins");
end
prosody.paths = { source = CFG_SOURCEDIR, config = CFG_CONFIGDIR,
plugins = CFG_PLUGINDIR or "plugins", data = data_path };
if prosody.installed then
-- Change working directory to data path.
require "lfs".chdir(data_path);
end
require "core.loggingmanager"
dependencies.log_warnings();
-- Switch away from root and into the prosody user --
local switched_user, current_uid;
local want_pposix_version = "0.4.0";
local have_pposix, pposix = pcall(require, "util.pposix");
if have_pposix and pposix then
if pposix._VERSION ~= want_pposix_version then
print(string.format("Unknown version (%s) of binary pposix module, expected %s",
tostring(pposix._VERSION), want_pposix_version)); return;
end
current_uid = pposix.getuid();
local arg_root = arg[1] == "--root";
if arg_root then table.remove(arg, 1); end
if current_uid == 0 and config.get("*", "run_as_root") ~= true and not arg_root then
-- We haz root!
local desired_user = config.get("*", "prosody_user") or "prosody";
local desired_group = config.get("*", "prosody_group") or desired_user;
local ok, err = pposix.setgid(desired_group);
if ok then
ok, err = pposix.initgroups(desired_user);
end
if ok then
ok, err = pposix.setuid(desired_user);
if ok then
-- Yay!
switched_user = true;
end
end
if not switched_user then
-- Boo!
print("Warning: Couldn't switch to Prosody user/group '"..tostring(desired_user).."'/'"..tostring(desired_group).."': "..tostring(err));
else
-- Make sure the Prosody user can read the config
local conf, err, errno = io.open(ENV_CONFIG);
if conf then
conf:close();
else
print("The config file is not readable by the '"..desired_user.."' user.");
print("Prosody will not be able to read it.");
print("Error was "..err);
os.exit(1);
end
end
end
-- Set our umask to protect data files
pposix.umask(config.get("*", "umask") or "027");
pposix.setenv("HOME", data_path);
pposix.setenv("PROSODY_CONFIG", ENV_CONFIG);
else
print("Error: Unable to load pposix module. Check that Prosody is installed correctly.")
print("For more help send the below error to us through http://prosody.im/discuss");
print(tostring(pposix))
os.exit(1);
end
local function test_writeable(filename)
local f, err = io.open(filename, "a");
if not f then
return false, err;
end
f:close();
return true;
end
local unwriteable_files = {};
if type(original_logging_config) == "string" and original_logging_config:sub(1,1) ~= "*" then
local ok, err = test_writeable(original_logging_config);
if not ok then
table.insert(unwriteable_files, err);
end
elseif type(original_logging_config) == "table" then
for _, rule in ipairs(original_logging_config) do
if rule.filename then
local ok, err = test_writeable(rule.filename);
if not ok then
table.insert(unwriteable_files, err);
end
end
end
end
if #unwriteable_files > 0 then
print("One of more of the Prosody log files are not");
print("writeable, please correct the errors and try");
print("starting prosodyctl again.");
print("");
for _, err in ipairs(unwriteable_files) do
print(err);
end
print("");
os.exit(1);
end
local error_messages = setmetatable({
["invalid-username"] = "The given username is invalid in a Jabber ID";
["invalid-hostname"] = "The given hostname is invalid";
["no-password"] = "No password was supplied";
["no-such-user"] = "The given user does not exist on the server";
["no-such-host"] = "The given hostname does not exist in the config";
["unable-to-save-data"] = "Unable to store, perhaps you don't have permission?";
["no-pidfile"] = "There is no 'pidfile' option in the configuration file, see http://prosody.im/doc/prosodyctl#pidfile for help";
["invalid-pidfile"] = "The 'pidfile' option in the configuration file is not a string, see http://prosody.im/doc/prosodyctl#pidfile for help";
["no-posix"] = "The mod_posix module is not enabled in the Prosody config file, see http://prosody.im/doc/prosodyctl for more info";
["no-such-method"] = "This module has no commands";
["not-running"] = "Prosody is not running";
}, { __index = function (t,k) return "Error: "..(tostring(k):gsub("%-", " "):gsub("^.", string.upper)); end });
hosts = prosody.hosts;
local function make_host(hostname)
return {
type = "local",
events = prosody.events,
modules = {},
sessions = {},
users = require "core.usermanager".new_null_provider(hostname)
};
end
for hostname, config in pairs(config.getconfig()) do
hosts[hostname] = make_host(hostname);
end
local modulemanager = require "core.modulemanager"
local prosodyctl = require "util.prosodyctl"
local socket = require "socket"
local http = require "net.http"
local config_ssl = config.get("*", "ssl") or {}
local https_client = config.get("*", "client_https_ssl")
http.default.options.sslctx = require "core.certmanager".create_context("client_https port 0", "client",
{ capath = config_ssl.capath, cafile = config_ssl.cafile, verify = "peer", }, https_client);
-----------------------
-- FIXME: Duplicate code waiting for util.startup
function read_version()
-- Try to determine version
local version_file = io.open((CFG_SOURCEDIR or ".").."/prosody.version");
prosody.version = "unknown";
if version_file then
prosody.version = version_file:read("*a"):gsub("%s*$", "");
version_file:close();
if #prosody.version == 12 and prosody.version:match("^[a-f0-9]+$") then
prosody.version = "hg:"..prosody.version;
end
else
local hg = require"util.mercurial";
local hgid = hg.check_id(CFG_SOURCEDIR or ".");
if hgid then prosody.version = "hg:" .. hgid; end
end
end
local show_message, show_warning = prosodyctl.show_message, prosodyctl.show_warning;
local show_usage = prosodyctl.show_usage;
local show_yesno = prosodyctl.show_yesno;
local show_prompt = prosodyctl.show_prompt;
local read_password = prosodyctl.read_password;
local jid_split = require "util.jid".prepped_split;
local prosodyctl_timeout = (config.get("*", "prosodyctl_timeout") or 5) * 2;
-----------------------
local commands = {};
local command = arg[1];
function commands.adduser(arg)
if not arg[1] or arg[1] == "--help" then
show_usage([[adduser JID]], [[Create the specified user account in Prosody]]);
return 1;
end
local user, host = jid_split(arg[1]);
if not user and host then
show_message [[Failed to understand JID, please supply the JID you want to create]]
show_usage [[adduser user@host]]
return 1;
end
if not host then
show_message [[Please specify a JID, including a host. e.g. [email protected]]];
return 1;
end
if not hosts[host] then
show_warning("The host '%s' is not listed in the configuration file (or is not enabled).", host)
show_warning("The user will not be able to log in until this is changed.");
hosts[host] = make_host(host);
end
if prosodyctl.user_exists{ user = user, host = host } then
show_message [[That user already exists]];
return 1;
end
local password = read_password();
if not password then return 1; end
local ok, msg = prosodyctl.adduser { user = user, host = host, password = password };
if ok then return 0; end
show_message(msg)
return 1;
end
function commands.passwd(arg)
if not arg[1] or arg[1] == "--help" then
show_usage([[passwd JID]], [[Set the password for the specified user account in Prosody]]);
return 1;
end
local user, host = jid_split(arg[1]);
if not user and host then
show_message [[Failed to understand JID, please supply the JID you want to set the password for]]
show_usage [[passwd user@host]]
return 1;
end
if not host then
show_message [[Please specify a JID, including a host. e.g. [email protected]]];
return 1;
end
if not hosts[host] then
show_warning("The host '%s' is not listed in the configuration file (or is not enabled).", host)
show_warning("The user will not be able to log in until this is changed.");
hosts[host] = make_host(host);
end
if not prosodyctl.user_exists { user = user, host = host } then
show_message [[That user does not exist, use prosodyctl adduser to create a new user]]
return 1;
end
local password = read_password();
if not password then return 1; end
local ok, msg = prosodyctl.passwd { user = user, host = host, password = password };
if ok then return 0; end
show_message(error_messages[msg])
return 1;
end
function commands.deluser(arg)
if not arg[1] or arg[1] == "--help" then
show_usage([[deluser JID]], [[Permanently remove the specified user account from Prosody]]);
return 1;
end
local user, host = jid_split(arg[1]);
if not user and host then
show_message [[Failed to understand JID, please supply the JID to the user account you want to delete]]
show_usage [[deluser user@host]]
return 1;
end
if not host then
show_message [[Please specify a JID, including a host. e.g. [email protected]]];
return 1;
end
if not hosts[host] then
show_warning("The host '%s' is not listed in the configuration file (or is not enabled).", host)
hosts[host] = make_host(host);
end
if not prosodyctl.user_exists { user = user, host = host } then
show_message [[That user does not exist on this server]]
return 1;
end
local ok, msg = prosodyctl.deluser { user = user, host = host };
if ok then return 0; end
show_message(error_messages[msg])
return 1;
end
function commands.start(arg)
if arg[1] == "--help" then
show_usage([[start]], [[Start Prosody]]);
return 1;
end
local ok, ret = prosodyctl.isrunning();
if not ok then
show_message(error_messages[ret]);
return 1;
end
if ret then
local ok, ret = prosodyctl.getpid();
if not ok then
show_message("Couldn't get running Prosody's PID");
show_message(error_messages[ret]);
return 1;
end
show_message("Prosody is already running with PID %s", ret or "(unknown)");
return 1;
end
local ok, ret = prosodyctl.start();
if ok then
local daemonize = config.get("*", "daemonize");
if daemonize == nil then
daemonize = prosody.installed;
end
if daemonize then
local i=1;
while true do
local ok, running = prosodyctl.isrunning();
if ok and running then
break;
elseif i == 5 then
show_message("Still waiting...");
elseif i >= prosodyctl_timeout then
show_message("Prosody is still not running. Please give it some time or check your log files for errors.");
return 2;
end
socket.sleep(0.5);
i = i + 1;
end
show_message("Started");
end
return 0;
end
show_message("Failed to start Prosody");
show_message(error_messages[ret])
return 1;
end
function commands.status(arg)
if arg[1] == "--help" then
show_usage([[status]], [[Reports the running status of Prosody]]);
return 1;
end
local ok, ret = prosodyctl.isrunning();
if not ok then
show_message(error_messages[ret]);
return 1;
end
if ret then
local ok, ret = prosodyctl.getpid();
if not ok then
show_message("Couldn't get running Prosody's PID");
show_message(error_messages[ret]);
return 1;
end
show_message("Prosody is running with PID %s", ret or "(unknown)");
return 0;
else
show_message("Prosody is not running");
if not switched_user and current_uid ~= 0 then
print("\nNote:")
print(" You will also see this if prosodyctl is not running under");
print(" the same user account as Prosody. Try running as root (e.g. ");
print(" with 'sudo' in front) to gain access to Prosody's real status.");
end
return 2
end
return 1;
end
function commands.stop(arg)
if arg[1] == "--help" then
show_usage([[stop]], [[Stop a running Prosody server]]);
return 1;
end
if not prosodyctl.isrunning() then
show_message("Prosody is not running");
return 1;
end
local ok, ret = prosodyctl.stop();
if ok then
local i=1;
while true do
local ok, running = prosodyctl.isrunning();
if ok and not running then
break;
elseif i == 5 then
show_message("Still waiting...");
elseif i >= prosodyctl_timeout then
show_message("Prosody is still running. Please give it some time or check your log files for errors.");
return 2;
end
socket.sleep(0.5);
i = i + 1;
end
show_message("Stopped");
return 0;
end
show_message(error_messages[ret]);
return 1;
end
function commands.restart(arg)
if arg[1] == "--help" then
show_usage([[restart]], [[Restart a running Prosody server]]);
return 1;
end
commands.stop(arg);
return commands.start(arg);
end
function commands.about(arg)
read_version();
if arg[1] == "--help" then
show_usage([[about]], [[Show information about this Prosody installation]]);
return 1;
end
local pwd = ".";
local lfs = require "lfs";
local array = require "util.array";
local keys = require "util.iterators".keys;
local hg = require"util.mercurial";
local relpath = config.resolve_relative_path;
print("Prosody "..(prosody.version or "(unknown version)"));
print("");
print("# Prosody directories");
print("Data directory: "..relpath(pwd, data_path));
print("Config directory: "..relpath(pwd, CFG_CONFIGDIR or "."));
print("Source directory: "..relpath(pwd, CFG_SOURCEDIR or "."));
print("Plugin directories:")
print(" "..(prosody.paths.plugins:gsub("([^;]+);?", function(path)
path = config.resolve_relative_path(pwd, path);
local hgid, hgrepo = hg.check_id(path);
if not hgid and hgrepo then
return path.." - "..hgrepo .."!\n ";
end
-- 010452cfaf53 is the first commit in the prosody-modules repository
hgrepo = hgrepo == "010452cfaf53" and "prosody-modules";
return path..(hgid and " - "..(hgrepo or "HG").." rev: "..hgid or "")
.."\n ";
end)));
print("");
print("# Lua environment");
print("Lua version: ", _G._VERSION);
print("");
print("Lua module search paths:");
for path in package.path:gmatch("[^;]+") do
print(" "..path);
end
print("");
print("Lua C module search paths:");
for path in package.cpath:gmatch("[^;]+") do
print(" "..path);
end
print("");
local luarocks_status = (pcall(require, "luarocks.loader") and "Installed ("..(package.loaded["luarocks.cfg"].program_version or "2.x+")..")")
or (pcall(require, "luarocks.require") and "Installed (1.x)")
or "Not installed";
print("LuaRocks: ", luarocks_status);
print("");
print("# Lua module versions");
local module_versions, longest_name = {}, 8;
local luaevent =dependencies.softreq"luaevent";
local ssl = dependencies.softreq"ssl";
for name, module in pairs(package.loaded) do
if type(module) == "table" and rawget(module, "_VERSION")
and name ~= "_G" and not name:match("%.") then
if #name > longest_name then
longest_name = #name;
end
module_versions[name] = module._VERSION;
end
end
if luaevent then
module_versions["libevent"] = luaevent.core.libevent_version();
end
local sorted_keys = array.collect(keys(module_versions)):sort();
for _, name in ipairs(sorted_keys) do
print(name..":"..string.rep(" ", longest_name-#name), module_versions[name]);
end
print("");
end
function commands.reload(arg)
if arg[1] == "--help" then
show_usage([[reload]], [[Reload Prosody's configuration and re-open log files]]);
return 1;
end
if not prosodyctl.isrunning() then
show_message("Prosody is not running");
return 1;
end
local ok, ret = prosodyctl.reload();
if ok then
show_message("Prosody log files re-opened and config file reloaded. You may need to reload modules for some changes to take effect.");
return 0;
end
show_message(error_messages[ret]);
return 1;
end
-- ejabberdctl compatibility
local unpack = table.unpack or unpack; -- luacheck: ignore 113
function commands.register(arg)
local user, host, password = unpack(arg);
if (not (user and host)) or arg[1] == "--help" then
if user ~= "--help" then
if not user then
show_message [[No username specified]]
elseif not host then
show_message [[Please specify which host you want to register the user on]];
end
end
show_usage("register USER HOST [PASSWORD]", "Register a user on the server, with the given password");
return 1;
end
if not password then
password = read_password();
if not password then
show_message [[Unable to register user with no password]];
return 1;
end
end
local ok, msg = prosodyctl.adduser { user = user, host = host, password = password };
if ok then return 0; end
show_message(error_messages[msg])
return 1;
end
function commands.unregister(arg)
local user, host = unpack(arg);
if (not (user and host)) or arg[1] == "--help" then
if user ~= "--help" then
if not user then
show_message [[No username specified]]
elseif not host then
show_message [[Please specify which host you want to unregister the user from]];
end
end
show_usage("unregister USER HOST [PASSWORD]", "Permanently remove a user account from the server");
return 1;
end
local ok, msg = prosodyctl.deluser { user = user, host = host };
if ok then return 0; end
show_message(error_messages[msg])
return 1;
end
local openssl;
local lfs;
local cert_commands = {};
-- If a file already exists, ask if the user wants to use it or replace it
-- Backups the old file if replaced
local function use_existing(filename)
local attrs = lfs.attributes(filename);
if attrs then
if show_yesno(filename .. " exists, do you want to replace it? [y/n]") then
local backup = filename..".bkp~"..os.date("%FT%T", attrs.change);
os.rename(filename, backup);
show_message(filename.." backed up to "..backup);
else
-- Use the existing file
return true;
end
end
end
local cert_basedir = CFG_DATADIR or "./certs";
if have_pposix and pposix.getuid() == 0 then
-- FIXME should be enough to check if this directory is writable
local cert_dir = config.get("*", "certificates") or "certs";
cert_basedir = config.resolve_relative_path(prosody.paths.config, cert_dir);
end
function cert_commands.config(arg)
if #arg >= 1 and arg[1] ~= "--help" then
local conf_filename = cert_basedir .. "/" .. arg[1] .. ".cnf";
if use_existing(conf_filename) then
return nil, conf_filename;
end
local distinguished_name;
if arg[#arg]:find("^/") then
distinguished_name = table.remove(arg);
end
local conf = openssl.config.new();
conf:from_prosody(hosts, config, arg);
if distinguished_name then
local dn = {};
for k, v in distinguished_name:gmatch("/([^=/]+)=([^/]+)") do
table.insert(dn, k);
dn[k] = v;
end
conf.distinguished_name = dn;
else
show_message("Please provide details to include in the certificate config file.");
show_message("Leave the field empty to use the default value or '.' to exclude the field.")
for _, k in ipairs(openssl._DN_order) do
local v = conf.distinguished_name[k];
if v then
local nv;
if k == "commonName" then
v = arg[1]
elseif k == "emailAddress" then
v = "xmpp@" .. arg[1];
elseif k == "countryName" then
local tld = arg[1]:match"%.([a-z]+)$";
if tld and #tld == 2 and tld ~= "uk" then
v = tld:upper();
end
end
nv = show_prompt(("%s (%s):"):format(k, nv or v));
nv = (not nv or nv == "") and v or nv;
if nv:find"[\192-\252][\128-\191]+" then
conf.req.string_mask = "utf8only"
end
conf.distinguished_name[k] = nv ~= "." and nv or nil;
end
end
end
local conf_file, err = io.open(conf_filename, "w");
if not conf_file then
show_warning("Could not open OpenSSL config file for writing");
show_warning(err);
os.exit(1);
end
conf_file:write(conf:serialize());
conf_file:close();
print("");
show_message("Config written to " .. conf_filename);
return nil, conf_filename;
else
show_usage("cert config HOSTNAME [HOSTNAME+]", "Builds a certificate config file covering the supplied hostname(s)")
end
end
function cert_commands.key(arg)
if #arg >= 1 and arg[1] ~= "--help" then
local key_filename = cert_basedir .. "/" .. arg[1] .. ".key";
if use_existing(key_filename) then
return nil, key_filename;
end
os.remove(key_filename); -- This file, if it exists is unlikely to have write permissions
local key_size = tonumber(arg[2] or show_prompt("Choose key size (2048):") or 2048);
local old_umask = pposix.umask("0377");
if openssl.genrsa{out=key_filename, key_size} then
os.execute(("chmod 400 '%s'"):format(key_filename));
show_message("Key written to ".. key_filename);
pposix.umask(old_umask);
return nil, key_filename;
end
show_message("There was a problem, see OpenSSL output");
else
show_usage("cert key HOSTNAME <bits>", "Generates a RSA key named HOSTNAME.key\n "
.."Prompts for a key size if none given")
end
end
function cert_commands.request(arg)
if #arg >= 1 and arg[1] ~= "--help" then
local req_filename = cert_basedir .. "/" .. arg[1] .. ".req";
if use_existing(req_filename) then
return nil, req_filename;
end
local _, key_filename = cert_commands.key({arg[1]});
local _, conf_filename = cert_commands.config(arg);
if openssl.req{new=true, key=key_filename, utf8=true, sha256=true, config=conf_filename, out=req_filename} then
show_message("Certificate request written to ".. req_filename);
else
show_message("There was a problem, see OpenSSL output");
end
else
show_usage("cert request HOSTNAME [HOSTNAME+]", "Generates a certificate request for the supplied hostname(s)")
end
end
function cert_commands.generate(arg)
if #arg >= 1 and arg[1] ~= "--help" then
local cert_filename = cert_basedir .. "/" .. arg[1] .. ".crt";
if use_existing(cert_filename) then
return nil, cert_filename;
end
local _, key_filename = cert_commands.key({arg[1]});
local _, conf_filename = cert_commands.config(arg);
if key_filename and conf_filename and cert_filename
and openssl.req{new=true, x509=true, nodes=true, key=key_filename,
days=365, sha256=true, utf8=true, config=conf_filename, out=cert_filename} then
show_message("Certificate written to ".. cert_filename);
print();
else
show_message("There was a problem, see OpenSSL output");
end
else
show_usage("cert generate HOSTNAME [HOSTNAME+]", "Generates a self-signed certificate for the current hostname(s)")
end
end
local function sh_esc(s)
return "'" .. s:gsub("'", "'\\''") .. "'";
end
local function copy(from, to, umask, owner, group)
local old_umask = umask and pposix.umask(umask);
local attrs = lfs.attributes(to);
if attrs then -- Move old file out of the way
local backup = to..".bkp~"..os.date("%FT%T", attrs.change);
os.rename(to, backup);
end
-- FIXME friendlier error handling, maybe move above backup back?
local input = assert(io.open(from));
local output = assert(io.open(to, "w"));
local data = input:read(2^11);
while data and output:write(data) do
data = input:read(2^11);
end
assert(input:close());
assert(output:close());
if not prosody.installed then
-- FIXME this is possibly specific to GNU chown
os.execute(("chown -c --reference=%s %s"):format(sh_esc(cert_basedir), sh_esc(to)));
elseif owner and group then
local ok = os.execute(("chown %s:%s %s"):format(sh_esc(owner), sh_esc(group), sh_esc(to)));
assert(ok == true or ok == 0, "Failed to change ownership of "..to);
end
if old_umask then pposix.umask(old_umask); end
return true;
end
function cert_commands.import(arg)
local hostnames = {};
-- Move hostname arguments out of arg, the rest should be a list of paths
while arg[1] and prosody.hosts[ arg[1] ] do
table.insert(hostnames, table.remove(arg, 1));
end
if hostnames[1] == nil then
local domains = os.getenv"RENEWED_DOMAINS"; -- Set if invoked via certbot
if domains then
for host in domains:gmatch("%S+") do
table.insert(hostnames, host);
end
else
for host in pairs(prosody.hosts) do
if host ~= "*" and config.get(host, "enabled") ~= false then
table.insert(hostnames, host);
end
end
end
end
if not arg[1] or arg[1] == "--help" then -- Probably forgot the path
show_usage("cert import [HOSTNAME+] /path/to/certs [/other/paths/]+",
"Copies certificates to "..cert_basedir);
return 1;
end
local owner, group;
if pposix.getuid() == 0 then -- We need root to change ownership
owner = config.get("*", "prosody_user") or "prosody";
group = config.get("*", "prosody_group") or owner;
end
local cm = require "core.certmanager";
local imported = {};
for _, host in ipairs(hostnames) do
for _, dir in ipairs(arg) do
local paths = cm.find_cert(dir, host);
if paths then
copy(paths.certificate, cert_basedir .. "/" .. host .. ".crt", nil, owner, group);
copy(paths.key, cert_basedir .. "/" .. host .. ".key", "0377", owner, group);
table.insert(imported, host);
else
-- TODO Say where we looked
show_warning("No certificate for host "..host.." found :(");
end
-- TODO Additional checks
-- Certificate names matches the hostname
-- Private key matches public key in certificate
end
end
if imported[1] then
show_message("Imported certificate and key for hosts "..table.concat(imported, ", "));
local ok, err = prosodyctl.reload();
if not ok and err ~= "not-running" then
show_message(error_messages[err]);
end
else
show_warning("No certificates imported :(");
return 1;
end
end
function commands.cert(arg)
if #arg >= 1 and arg[1] ~= "--help" then
openssl = require "util.openssl";
lfs = require "lfs";
local cert_dir_attrs = lfs.attributes(cert_basedir);
if not cert_dir_attrs then
show_warning("The directory "..cert_basedir.." does not exist");
return 1; -- TODO Should we create it?
end
local uid = pposix.getuid();
if uid ~= 0 and uid ~= cert_dir_attrs.uid then
show_warning("The directory "..cert_basedir.." is not owned by the current user, won't be able to write files to it");
return 1;
elseif not cert_dir_attrs.permissions then -- COMPAT with LuaFilesystem < 1.6.2 (hey CentOS!)
show_message("Unable to check permissions on "..cert_basedir.." (LuaFilesystem 1.6.2+ required)");
show_message("Please confirm that Prosody (and only Prosody) can write to this directory)");
elseif cert_dir_attrs.permissions:match("^%.w..%-..%-.$") then
show_warning("The directory "..cert_basedir.." not only writable by its owner");
return 1;
end
local subcmd = table.remove(arg, 1);
if type(cert_commands[subcmd]) == "function" then
if subcmd ~= "import" then -- hostnames are optional for import
if not arg[1] then
show_message"You need to supply at least one hostname"
arg = { "--help" };
end
if arg[1] ~= "--help" and not hosts[arg[1]] then
show_message(error_messages["no-such-host"]);
return 1;
end
end
return cert_commands[subcmd](arg);
elseif subcmd == "check" then
return commands.check({"certs"});
end
end
show_usage("cert config|request|generate|key|import", "Helpers for generating X.509 certificates and keys.")
for _, cmd in pairs(cert_commands) do
print()
cmd{ "--help" }
end
end
function commands.check(arg)
if arg[1] == "--help" then
show_usage([[check]], [[Perform basic checks on your Prosody installation]]);
return 1;
end
local what = table.remove(arg, 1);
local array, set = require "util.array", require "util.set";
local it = require "util.iterators";
local ok = true;
local function disabled_hosts(host, conf) return host ~= "*" and conf.enabled ~= false; end
local function enabled_hosts() return it.filter(disabled_hosts, pairs(config.getconfig())); end
if not (what == nil or what == "disabled" or what == "config" or what == "dns" or what == "certs") then
show_warning("Don't know how to check '%s'. Try one of 'config', 'dns', 'certs' or 'disabled'.", what);
return 1;
end
if not what or what == "disabled" then