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dsdb: reset schema->{classes,attributes}_to_remove_size to 0
[Samba/gebeck_regimport.git] / source3 / libnet / libnet_join.c
blobdfe7283ce702d28c2c80b96a2a82dc2ce702415f
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "ads.h"
23 #include "librpc/gen_ndr/ndr_libnet_join.h"
24 #include "libnet/libnet_join.h"
25 #include "libcli/auth/libcli_auth.h"
26 #include "../librpc/gen_ndr/ndr_samr_c.h"
27 #include "rpc_client/init_samr.h"
28 #include "../librpc/gen_ndr/ndr_lsa_c.h"
29 #include "rpc_client/cli_lsarpc.h"
30 #include "../librpc/gen_ndr/ndr_netlogon.h"
31 #include "rpc_client/cli_netlogon.h"
32 #include "lib/smbconf/smbconf.h"
33 #include "lib/smbconf/smbconf_reg.h"
34 #include "../libds/common/flags.h"
35 #include "secrets.h"
36 #include "rpc_client/init_lsa.h"
37 #include "rpc_client/cli_pipe.h"
38 #include "../libcli/security/security.h"
39 #include "passdb.h"
40 #include "libsmb/libsmb.h"
41 #include "../libcli/smb/smbXcli_base.h"
42 #include "lib/param/loadparm.h"
43
44 /****************************************************************
45 ****************************************************************/
46
47 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
48 do { \
49 char *str = NULL; \
50 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
51 DEBUG(1,("libnet_Join:\n%s", str)); \
52 TALLOC_FREE(str); \
53 } while (0)
54
55 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
56 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
57 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
58 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
59
60 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
61 do { \
62 char *str = NULL; \
63 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
64 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
65 TALLOC_FREE(str); \
66 } while (0)
67
68 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
69 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
70 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
71 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
72
73 /****************************************************************
74 ****************************************************************/
75
76 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
77 struct libnet_JoinCtx *r,
78 const char *format, ...)
79 {
80 va_list args;
81
82 if (r->out.error_string) {
83 return;
84 }
85
86 va_start(args, format);
87 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
88 va_end(args);
89 }
90
91 /****************************************************************
92 ****************************************************************/
93
94 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
95 struct libnet_UnjoinCtx *r,
96 const char *format, ...)
97 {
98 va_list args;
99
100 if (r->out.error_string) {
101 return;
102 }
103
104 va_start(args, format);
105 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
106 va_end(args);
107 }
108
109 #ifdef HAVE_ADS
110
111 /****************************************************************
112 ****************************************************************/
113
114 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
115 const char *netbios_domain_name,
116 const char *dc_name,
117 const char *user_name,
118 const char *password,
119 ADS_STRUCT **ads)
120 {
121 ADS_STATUS status;
122 ADS_STRUCT *my_ads = NULL;
123 char *cp;
124
125 my_ads = ads_init(dns_domain_name,
126 netbios_domain_name,
127 dc_name);
128 if (!my_ads) {
129 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
130 }
131
132 if (user_name) {
133 SAFE_FREE(my_ads->auth.user_name);
134 my_ads->auth.user_name = SMB_STRDUP(user_name);
135 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
136 *cp++ = '\0';
137 SAFE_FREE(my_ads->auth.realm);
138 my_ads->auth.realm = smb_xstrdup(cp);
139 if (!strupper_m(my_ads->auth.realm)) {
140 ads_destroy(&my_ads);
141 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
142 }
143 }
144 }
145
146 if (password) {
147 SAFE_FREE(my_ads->auth.password);
148 my_ads->auth.password = SMB_STRDUP(password);
149 }
150
151 status = ads_connect_user_creds(my_ads);
152 if (!ADS_ERR_OK(status)) {
153 ads_destroy(&my_ads);
154 return status;
155 }
156
157 *ads = my_ads;
158 return ADS_SUCCESS;
159 }
160
161 /****************************************************************
162 ****************************************************************/
163
164 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
165 struct libnet_JoinCtx *r)
166 {
167 ADS_STATUS status;
168
169 status = libnet_connect_ads(r->out.dns_domain_name,
170 r->out.netbios_domain_name,
171 r->in.dc_name,
172 r->in.admin_account,
173 r->in.admin_password,
174 &r->in.ads);
175 if (!ADS_ERR_OK(status)) {
176 libnet_join_set_error_string(mem_ctx, r,
177 "failed to connect to AD: %s",
178 ads_errstr(status));
179 return status;
180 }
181
182 if (!r->out.netbios_domain_name) {
183 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
184 r->in.ads->server.workgroup);
185 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
186 }
187
188 if (!r->out.dns_domain_name) {
189 r->out.dns_domain_name = talloc_strdup(mem_ctx,
190 r->in.ads->config.realm);
191 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
192 }
193
194 r->out.domain_is_ad = true;
195
196 return ADS_SUCCESS;
197 }
198
199 /****************************************************************
200 ****************************************************************/
201
202 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
203 struct libnet_UnjoinCtx *r)
204 {
205 ADS_STATUS status;
206
207 status = libnet_connect_ads(r->in.domain_name,
208 r->in.domain_name,
209 r->in.dc_name,
210 r->in.admin_account,
211 r->in.admin_password,
212 &r->in.ads);
213 if (!ADS_ERR_OK(status)) {
214 libnet_unjoin_set_error_string(mem_ctx, r,
215 "failed to connect to AD: %s",
216 ads_errstr(status));
217 }
218
219 return status;
220 }
221
222 /****************************************************************
223 join a domain using ADS (LDAP mods)
224 ****************************************************************/
225
226 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
227 struct libnet_JoinCtx *r)
228 {
229 ADS_STATUS status;
230 LDAPMessage *res = NULL;
231 const char *attrs[] = { "dn", NULL };
232 bool moved = false;
233
234 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
235 if (!ADS_ERR_OK(status)) {
236 return status;
237 }
238
239 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
240 if (!ADS_ERR_OK(status)) {
241 return status;
242 }
243
244 if (ads_count_replies(r->in.ads, res) != 1) {
245 ads_msgfree(r->in.ads, res);
246 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
247 }
248
249 ads_msgfree(r->in.ads, res);
250
251 /* Attempt to create the machine account and bail if this fails.
252 Assume that the admin wants exactly what they requested */
253
254 status = ads_create_machine_acct(r->in.ads,
255 r->in.machine_name,
256 r->in.account_ou);
257
258 if (ADS_ERR_OK(status)) {
259 DEBUG(1,("machine account creation created\n"));
260 return status;
261 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
262 (status.err.rc == LDAP_ALREADY_EXISTS)) {
263 status = ADS_SUCCESS;
264 }
265
266 if (!ADS_ERR_OK(status)) {
267 DEBUG(1,("machine account creation failed\n"));
268 return status;
269 }
270
271 status = ads_move_machine_acct(r->in.ads,
272 r->in.machine_name,
273 r->in.account_ou,
274 &moved);
275 if (!ADS_ERR_OK(status)) {
276 DEBUG(1,("failure to locate/move pre-existing "
277 "machine account\n"));
278 return status;
279 }
280
281 DEBUG(1,("The machine account %s the specified OU.\n",
282 moved ? "was moved into" : "already exists in"));
283
284 return status;
285 }
286
287 /****************************************************************
288 ****************************************************************/
289
290 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
291 struct libnet_UnjoinCtx *r)
292 {
293 ADS_STATUS status;
294
295 if (!r->in.ads) {
296 status = libnet_unjoin_connect_ads(mem_ctx, r);
297 if (!ADS_ERR_OK(status)) {
298 libnet_unjoin_set_error_string(mem_ctx, r,
299 "failed to connect to AD: %s",
300 ads_errstr(status));
301 return status;
302 }
303 }
304
305 status = ads_leave_realm(r->in.ads, r->in.machine_name);
306 if (!ADS_ERR_OK(status)) {
307 libnet_unjoin_set_error_string(mem_ctx, r,
308 "failed to leave realm: %s",
309 ads_errstr(status));
310 return status;
311 }
312
313 return ADS_SUCCESS;
314 }
315
316 /****************************************************************
317 ****************************************************************/
318
319 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
320 struct libnet_JoinCtx *r)
321 {
322 ADS_STATUS status;
323 LDAPMessage *res = NULL;
324 char *dn = NULL;
325
326 if (!r->in.machine_name) {
327 return ADS_ERROR(LDAP_NO_MEMORY);
328 }
329
330 status = ads_find_machine_acct(r->in.ads,
331 &res,
332 r->in.machine_name);
333 if (!ADS_ERR_OK(status)) {
334 return status;
335 }
336
337 if (ads_count_replies(r->in.ads, res) != 1) {
338 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
339 goto done;
340 }
341
342 dn = ads_get_dn(r->in.ads, mem_ctx, res);
343 if (!dn) {
344 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
345 goto done;
346 }
347
348 r->out.dn = talloc_strdup(mem_ctx, dn);
349 if (!r->out.dn) {
350 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
351 goto done;
352 }
353
354 done:
355 ads_msgfree(r->in.ads, res);
356 TALLOC_FREE(dn);
357
358 return status;
359 }
360
361 /****************************************************************
362 Set a machines dNSHostName and servicePrincipalName attributes
363 ****************************************************************/
364
365 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
366 struct libnet_JoinCtx *r)
367 {
368 ADS_STATUS status;
369 ADS_MODLIST mods;
370 fstring my_fqdn;
371 const char *spn_array[3] = {NULL, NULL, NULL};
372 char *spn = NULL;
373
374 /* Find our DN */
375
376 status = libnet_join_find_machine_acct(mem_ctx, r);
377 if (!ADS_ERR_OK(status)) {
378 return status;
379 }
380
381 /* Windows only creates HOST/shortname & HOST/fqdn. */
382
383 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
384 if (!spn) {
385 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
386 }
387 if (!strupper_m(spn)) {
388 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
389 }
390 spn_array[0] = spn;
391
392 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
393 || (strchr(my_fqdn, '.') == NULL)) {
394 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
395 r->out.dns_domain_name);
396 }
397
398 if (!strlower_m(my_fqdn)) {
399 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
400 }
401
402 if (!strequal(my_fqdn, r->in.machine_name)) {
403 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
404 if (!spn) {
405 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
406 }
407 spn_array[1] = spn;
408 }
409
410 mods = ads_init_mods(mem_ctx);
411 if (!mods) {
412 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
413 }
414
415 /* fields of primary importance */
416
417 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
418 if (!ADS_ERR_OK(status)) {
419 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
420 }
421
422 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
423 spn_array);
424 if (!ADS_ERR_OK(status)) {
425 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
426 }
427
428 return ads_gen_mod(r->in.ads, r->out.dn, mods);
429 }
430
431 /****************************************************************
432 ****************************************************************/
433
434 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
435 struct libnet_JoinCtx *r)
436 {
437 ADS_STATUS status;
438 ADS_MODLIST mods;
439
440 if (!r->in.create_upn) {
441 return ADS_SUCCESS;
442 }
443
444 /* Find our DN */
445
446 status = libnet_join_find_machine_acct(mem_ctx, r);
447 if (!ADS_ERR_OK(status)) {
448 return status;
449 }
450
451 if (!r->in.upn) {
452 r->in.upn = talloc_asprintf(mem_ctx,
453 "host/%s@%s",
454 r->in.machine_name,
455 r->out.dns_domain_name);
456 if (!r->in.upn) {
457 return ADS_ERROR(LDAP_NO_MEMORY);
458 }
459 }
460
461 /* now do the mods */
462
463 mods = ads_init_mods(mem_ctx);
464 if (!mods) {
465 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
466 }
467
468 /* fields of primary importance */
469
470 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
471 if (!ADS_ERR_OK(status)) {
472 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
473 }
474
475 return ads_gen_mod(r->in.ads, r->out.dn, mods);
476 }
477
478
479 /****************************************************************
480 ****************************************************************/
481
482 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
483 struct libnet_JoinCtx *r)
484 {
485 ADS_STATUS status;
486 ADS_MODLIST mods;
487 char *os_sp = NULL;
488
489 if (!r->in.os_name || !r->in.os_version ) {
490 return ADS_SUCCESS;
491 }
492
493 /* Find our DN */
494
495 status = libnet_join_find_machine_acct(mem_ctx, r);
496 if (!ADS_ERR_OK(status)) {
497 return status;
498 }
499
500 /* now do the mods */
501
502 mods = ads_init_mods(mem_ctx);
503 if (!mods) {
504 return ADS_ERROR(LDAP_NO_MEMORY);
505 }
506
507 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
508 if (!os_sp) {
509 return ADS_ERROR(LDAP_NO_MEMORY);
510 }
511
512 /* fields of primary importance */
513
514 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
515 r->in.os_name);
516 if (!ADS_ERR_OK(status)) {
517 return status;
518 }
519
520 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
521 r->in.os_version);
522 if (!ADS_ERR_OK(status)) {
523 return status;
524 }
525
526 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
527 os_sp);
528 if (!ADS_ERR_OK(status)) {
529 return status;
530 }
531
532 return ads_gen_mod(r->in.ads, r->out.dn, mods);
533 }
534
535 /****************************************************************
536 ****************************************************************/
537
538 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
539 struct libnet_JoinCtx *r)
540 {
541 if (!USE_SYSTEM_KEYTAB) {
542 return true;
543 }
544
545 if (ads_keytab_create_default(r->in.ads) != 0) {
546 return false;
547 }
548
549 return true;
550 }
551
552 /****************************************************************
553 ****************************************************************/
554
555 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
556 struct libnet_JoinCtx *r)
557 {
558 uint32_t domain_func;
559 ADS_STATUS status;
560 const char *salt = NULL;
561 char *std_salt = NULL;
562
563 status = ads_domain_func_level(r->in.ads, &domain_func);
564 if (!ADS_ERR_OK(status)) {
565 libnet_join_set_error_string(mem_ctx, r,
566 "failed to determine domain functional level: %s",
567 ads_errstr(status));
568 return false;
569 }
570
571 /* go ahead and setup the default salt */
572
573 std_salt = kerberos_standard_des_salt();
574 if (!std_salt) {
575 libnet_join_set_error_string(mem_ctx, r,
576 "failed to obtain standard DES salt");
577 return false;
578 }
579
580 salt = talloc_strdup(mem_ctx, std_salt);
581 if (!salt) {
582 return false;
583 }
584
585 SAFE_FREE(std_salt);
586
587 /* if it's a Windows functional domain, we have to look for the UPN */
588
589 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
590 char *upn;
591
592 upn = ads_get_upn(r->in.ads, mem_ctx,
593 r->in.machine_name);
594 if (upn) {
595 salt = talloc_strdup(mem_ctx, upn);
596 if (!salt) {
597 return false;
598 }
599 }
600 }
601
602 return kerberos_secrets_store_des_salt(salt);
603 }
604
605 /****************************************************************
606 ****************************************************************/
607
608 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
609 struct libnet_JoinCtx *r)
610 {
611 ADS_STATUS status;
612
613 if (!r->in.ads) {
614 status = libnet_join_connect_ads(mem_ctx, r);
615 if (!ADS_ERR_OK(status)) {
616 return status;
617 }
618 }
619
620 status = libnet_join_set_machine_spn(mem_ctx, r);
621 if (!ADS_ERR_OK(status)) {
622 libnet_join_set_error_string(mem_ctx, r,
623 "failed to set machine spn: %s",
624 ads_errstr(status));
625 return status;
626 }
627
628 status = libnet_join_set_os_attributes(mem_ctx, r);
629 if (!ADS_ERR_OK(status)) {
630 libnet_join_set_error_string(mem_ctx, r,
631 "failed to set machine os attributes: %s",
632 ads_errstr(status));
633 return status;
634 }
635
636 status = libnet_join_set_machine_upn(mem_ctx, r);
637 if (!ADS_ERR_OK(status)) {
638 libnet_join_set_error_string(mem_ctx, r,
639 "failed to set machine upn: %s",
640 ads_errstr(status));
641 return status;
642 }
643
644 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
645 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
646 }
647
648 if (!libnet_join_create_keytab(mem_ctx, r)) {
649 libnet_join_set_error_string(mem_ctx, r,
650 "failed to create kerberos keytab");
651 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
652 }
653
654 return ADS_SUCCESS;
655 }
656 #endif /* HAVE_ADS */
657
658 /****************************************************************
659 Store the machine password and domain SID
660 ****************************************************************/
661
662 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
663 struct libnet_JoinCtx *r)
664 {
665 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
666 r->out.domain_sid))
667 {
668 DEBUG(1,("Failed to save domain sid\n"));
669 return false;
670 }
671
672 if (!secrets_store_machine_password(r->in.machine_password,
673 r->out.netbios_domain_name,
674 r->in.secure_channel_type))
675 {
676 DEBUG(1,("Failed to save machine password\n"));
677 return false;
678 }
679
680 return true;
681 }
682
683 /****************************************************************
684 Connect dc's IPC$ share
685 ****************************************************************/
686
687 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
688 const char *user,
689 const char *pass,
690 bool use_kerberos,
691 struct cli_state **cli)
692 {
693 int flags = 0;
694
695 if (use_kerberos) {
696 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
697 }
698
699 if (use_kerberos && pass) {
700 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
701 }
702
703 return cli_full_connection(cli, NULL,
704 dc,
705 NULL, 0,
706 "IPC$", "IPC",
707 user,
708 NULL,
709 pass,
710 flags,
711 SMB_SIGNING_DEFAULT);
712 }
713
714 /****************************************************************
715 Lookup domain dc's info
716 ****************************************************************/
717
718 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
719 struct libnet_JoinCtx *r,
720 struct cli_state **cli)
721 {
722 struct rpc_pipe_client *pipe_hnd = NULL;
723 struct policy_handle lsa_pol;
724 NTSTATUS status, result;
725 union lsa_PolicyInformation *info = NULL;
726 struct dcerpc_binding_handle *b;
727
728 status = libnet_join_connect_dc_ipc(r->in.dc_name,
729 r->in.admin_account,
730 r->in.admin_password,
731 r->in.use_kerberos,
732 cli);
733 if (!NT_STATUS_IS_OK(status)) {
734 goto done;
735 }
736
737 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
738 &pipe_hnd);
739 if (!NT_STATUS_IS_OK(status)) {
740 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
741 nt_errstr(status)));
742 goto done;
743 }
744
745 b = pipe_hnd->binding_handle;
746
747 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
748 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
749 if (!NT_STATUS_IS_OK(status)) {
750 goto done;
751 }
752
753 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
754 &lsa_pol,
755 LSA_POLICY_INFO_DNS,
756 &info,
757 &result);
758 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
759 r->out.domain_is_ad = true;
760 r->out.netbios_domain_name = info->dns.name.string;
761 r->out.dns_domain_name = info->dns.dns_domain.string;
762 r->out.forest_name = info->dns.dns_forest.string;
763 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
764 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
765 }
766
767 if (!NT_STATUS_IS_OK(status)) {
768 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
769 &lsa_pol,
770 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
771 &info,
772 &result);
773 if (!NT_STATUS_IS_OK(status)) {
774 goto done;
775 }
776 if (!NT_STATUS_IS_OK(result)) {
777 status = result;
778 goto done;
779 }
780
781 r->out.netbios_domain_name = info->account_domain.name.string;
782 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
783 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
784 }
785
786 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
787 TALLOC_FREE(pipe_hnd);
788
789 done:
790 return status;
791 }
792
793 /****************************************************************
794 Do the domain join unsecure
795 ****************************************************************/
796
797 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
798 struct libnet_JoinCtx *r,
799 struct cli_state *cli)
800 {
801 struct rpc_pipe_client *pipe_hnd = NULL;
802 unsigned char orig_trust_passwd_hash[16];
803 unsigned char new_trust_passwd_hash[16];
804 fstring trust_passwd;
805 NTSTATUS status;
806
807 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
808 &pipe_hnd);
809 if (!NT_STATUS_IS_OK(status)) {
810 return status;
811 }
812
813 if (!r->in.machine_password) {
814 r->in.machine_password = generate_random_password(mem_ctx,
815 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
816 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
817 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
818 }
819
820 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
821
822 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
823 fstrcpy(trust_passwd, r->in.admin_password);
824 if (!strlower_m(trust_passwd)) {
825 return NT_STATUS_INVALID_PARAMETER;
826 }
827
828 /*
829 * Machine names can be 15 characters, but the max length on
830 * a password is 14. --jerry
831 */
832
833 trust_passwd[14] = '\0';
834
835 E_md4hash(trust_passwd, orig_trust_passwd_hash);
836
837 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
838 r->in.machine_name,
839 orig_trust_passwd_hash,
840 r->in.machine_password,
841 new_trust_passwd_hash,
842 r->in.secure_channel_type);
843
844 return status;
845 }
846
847 /****************************************************************
848 Do the domain join
849 ****************************************************************/
850
851 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
852 struct libnet_JoinCtx *r,
853 struct cli_state *cli)
854 {
855 struct rpc_pipe_client *pipe_hnd = NULL;
856 struct policy_handle sam_pol, domain_pol, user_pol;
857 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
858 char *acct_name;
859 struct lsa_String lsa_acct_name;
860 uint32_t user_rid;
861 uint32_t acct_flags = ACB_WSTRUST;
862 struct samr_Ids user_rids;
863 struct samr_Ids name_types;
864 union samr_UserInfo user_info;
865 struct dcerpc_binding_handle *b = NULL;
866 unsigned int old_timeout = 0;
867
868 DATA_BLOB session_key = data_blob_null;
869 struct samr_CryptPassword crypt_pwd;
870 struct samr_CryptPasswordEx crypt_pwd_ex;
871
872 ZERO_STRUCT(sam_pol);
873 ZERO_STRUCT(domain_pol);
874 ZERO_STRUCT(user_pol);
875
876 switch (r->in.secure_channel_type) {
877 case SEC_CHAN_WKSTA:
878 acct_flags = ACB_WSTRUST;
879 break;
880 case SEC_CHAN_BDC:
881 acct_flags = ACB_SVRTRUST;
882 break;
883 default:
884 return NT_STATUS_INVALID_PARAMETER;
885 }
886
887 if (!r->in.machine_password) {
888 r->in.machine_password = generate_random_password(mem_ctx,
889 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
890 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
891 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
892 }
893
894 /* Open the domain */
895
896 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
897 &pipe_hnd);
898 if (!NT_STATUS_IS_OK(status)) {
899 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
900 nt_errstr(status)));
901 goto done;
902 }
903
904 b = pipe_hnd->binding_handle;
905
906 status = cli_get_session_key(mem_ctx, pipe_hnd, &session_key);
907 if (!NT_STATUS_IS_OK(status)) {
908 DEBUG(0,("Error getting session_key of SAM pipe. Error was %s\n",
909 nt_errstr(status)));
910 goto done;
911 }
912
913 status = dcerpc_samr_Connect2(b, mem_ctx,
914 pipe_hnd->desthost,
915 SAMR_ACCESS_ENUM_DOMAINS
916 | SAMR_ACCESS_LOOKUP_DOMAIN,
917 &sam_pol,
918 &result);
919 if (!NT_STATUS_IS_OK(status)) {
920 goto done;
921 }
922 if (!NT_STATUS_IS_OK(result)) {
923 status = result;
924 goto done;
925 }
926
927 status = dcerpc_samr_OpenDomain(b, mem_ctx,
928 &sam_pol,
929 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
930 | SAMR_DOMAIN_ACCESS_CREATE_USER
931 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
932 r->out.domain_sid,
933 &domain_pol,
934 &result);
935 if (!NT_STATUS_IS_OK(status)) {
936 goto done;
937 }
938 if (!NT_STATUS_IS_OK(result)) {
939 status = result;
940 goto done;
941 }
942
943 /* Create domain user */
944
945 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
946 if (!strlower_m(acct_name)) {
947 status = NT_STATUS_INVALID_PARAMETER;
948 goto done;
949 }
950
951 init_lsa_String(&lsa_acct_name, acct_name);
952
953 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
954 uint32_t access_desired =
955 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
956 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
957 SAMR_USER_ACCESS_SET_PASSWORD |
958 SAMR_USER_ACCESS_GET_ATTRIBUTES |
959 SAMR_USER_ACCESS_SET_ATTRIBUTES;
960 uint32_t access_granted = 0;
961
962 DEBUG(10,("Creating account with desired access mask: %d\n",
963 access_desired));
964
965 status = dcerpc_samr_CreateUser2(b, mem_ctx,
966 &domain_pol,
967 &lsa_acct_name,
968 acct_flags,
969 access_desired,
970 &user_pol,
971 &access_granted,
972 &user_rid,
973 &result);
974 if (!NT_STATUS_IS_OK(status)) {
975 goto done;
976 }
977
978 status = result;
979 if (!NT_STATUS_IS_OK(status) &&
980 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
981
982 DEBUG(10,("Creation of workstation account failed: %s\n",
983 nt_errstr(status)));
984
985 /* If NT_STATUS_ACCESS_DENIED then we have a valid
986 username/password combo but the user does not have
987 administrator access. */
988
989 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
990 libnet_join_set_error_string(mem_ctx, r,
991 "User specified does not have "
992 "administrator privileges");
993 }
994
995 goto done;
996 }
997
998 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
999 if (!(r->in.join_flags &
1000 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
1001 goto done;
1002 }
1003 }
1004
1005 /* We *must* do this.... don't ask... */
1006
1007 if (NT_STATUS_IS_OK(status)) {
1008 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1009 }
1010 }
1011
1012 status = dcerpc_samr_LookupNames(b, mem_ctx,
1013 &domain_pol,
1014 1,
1015 &lsa_acct_name,
1016 &user_rids,
1017 &name_types,
1018 &result);
1019 if (!NT_STATUS_IS_OK(status)) {
1020 goto done;
1021 }
1022 if (!NT_STATUS_IS_OK(result)) {
1023 status = result;
1024 goto done;
1025 }
1026
1027 if (name_types.ids[0] != SID_NAME_USER) {
1028 DEBUG(0,("%s is not a user account (type=%d)\n",
1029 acct_name, name_types.ids[0]));
1030 status = NT_STATUS_INVALID_WORKSTATION;
1031 goto done;
1032 }
1033
1034 user_rid = user_rids.ids[0];
1035
1036 /* Open handle on user */
1037
1038 status = dcerpc_samr_OpenUser(b, mem_ctx,
1039 &domain_pol,
1040 SEC_FLAG_MAXIMUM_ALLOWED,
1041 user_rid,
1042 &user_pol,
1043 &result);
1044 if (!NT_STATUS_IS_OK(status)) {
1045 goto done;
1046 }
1047 if (!NT_STATUS_IS_OK(result)) {
1048 status = result;
1049 goto done;
1050 }
1051
1052 /* Fill in the additional account flags now */
1053
1054 acct_flags |= ACB_PWNOEXP;
1055
1056 /* Set account flags on machine account */
1057 ZERO_STRUCT(user_info.info16);
1058 user_info.info16.acct_flags = acct_flags;
1059
1060 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1061 &user_pol,
1062 16,
1063 &user_info,
1064 &result);
1065 if (!NT_STATUS_IS_OK(status)) {
1066 dcerpc_samr_DeleteUser(b, mem_ctx,
1067 &user_pol,
1068 &result);
1069
1070 libnet_join_set_error_string(mem_ctx, r,
1071 "Failed to set account flags for machine account (%s)\n",
1072 nt_errstr(status));
1073 goto done;
1074 }
1075
1076 if (!NT_STATUS_IS_OK(result)) {
1077 status = result;
1078
1079 dcerpc_samr_DeleteUser(b, mem_ctx,
1080 &user_pol,
1081 &result);
1082
1083 libnet_join_set_error_string(mem_ctx, r,
1084 "Failed to set account flags for machine account (%s)\n",
1085 nt_errstr(status));
1086 goto done;
1087 }
1088
1089 /* Set password on machine account - first try level 26 */
1090
1091 /*
1092 * increase the timeout as password filter modules on the DC
1093 * might delay the operation for a significant amount of time
1094 */
1095 old_timeout = rpccli_set_timeout(pipe_hnd, 600000);
1096
1097 init_samr_CryptPasswordEx(r->in.machine_password,
1098 &session_key,
1099 &crypt_pwd_ex);
1100
1101 user_info.info26.password = crypt_pwd_ex;
1102 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1103
1104 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1105 &user_pol,
1106 26,
1107 &user_info,
1108 &result);
1109
1110 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
1111
1112 /* retry with level 24 */
1113
1114 init_samr_CryptPassword(r->in.machine_password,
1115 &session_key,
1116 &crypt_pwd);
1117
1118 user_info.info24.password = crypt_pwd;
1119 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1120
1121 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1122 &user_pol,
1123 24,
1124 &user_info,
1125 &result);
1126 }
1127
1128 old_timeout = rpccli_set_timeout(pipe_hnd, old_timeout);
1129
1130 if (!NT_STATUS_IS_OK(status)) {
1131
1132 dcerpc_samr_DeleteUser(b, mem_ctx,
1133 &user_pol,
1134 &result);
1135
1136 libnet_join_set_error_string(mem_ctx, r,
1137 "Failed to set password for machine account (%s)\n",
1138 nt_errstr(status));
1139 goto done;
1140 }
1141 if (!NT_STATUS_IS_OK(result)) {
1142 status = result;
1143
1144 dcerpc_samr_DeleteUser(b, mem_ctx,
1145 &user_pol,
1146 &result);
1147
1148 libnet_join_set_error_string(mem_ctx, r,
1149 "Failed to set password for machine account (%s)\n",
1150 nt_errstr(status));
1151 goto done;
1152 }
1153
1154 status = NT_STATUS_OK;
1155
1156 done:
1157 if (!pipe_hnd) {
1158 return status;
1159 }
1160
1161 data_blob_clear_free(&session_key);
1162
1163 if (is_valid_policy_hnd(&sam_pol)) {
1164 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1165 }
1166 if (is_valid_policy_hnd(&domain_pol)) {
1167 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1168 }
1169 if (is_valid_policy_hnd(&user_pol)) {
1170 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1171 }
1172 TALLOC_FREE(pipe_hnd);
1173
1174 return status;
1175 }
1176
1177 /****************************************************************
1178 ****************************************************************/
1179
1180 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1181 const char *machine_name,
1182 const char *dc_name,
1183 const bool use_kerberos)
1184 {
1185 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1186 struct cli_state *cli = NULL;
1187 struct rpc_pipe_client *pipe_hnd = NULL;
1188 struct rpc_pipe_client *netlogon_pipe = NULL;
1189 NTSTATUS status;
1190 char *machine_password = NULL;
1191 char *machine_account = NULL;
1192 int flags = 0;
1193
1194 if (!dc_name) {
1195 return NT_STATUS_INVALID_PARAMETER;
1196 }
1197
1198 if (!secrets_init()) {
1199 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1200 }
1201
1202 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1203 NULL, NULL);
1204 if (!machine_password) {
1205 return NT_STATUS_NO_TRUST_LSA_SECRET;
1206 }
1207
1208 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1209 SAFE_FREE(machine_password);
1210 return NT_STATUS_NO_MEMORY;
1211 }
1212
1213 if (use_kerberos) {
1214 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
1215 }
1216
1217 status = cli_full_connection(&cli, NULL,
1218 dc_name,
1219 NULL, 0,
1220 "IPC$", "IPC",
1221 machine_account,
1222 NULL,
1223 machine_password,
1224 flags,
1225 SMB_SIGNING_DEFAULT);
1226 free(machine_account);
1227 free(machine_password);
1228
1229 if (!NT_STATUS_IS_OK(status)) {
1230 status = cli_full_connection(&cli, NULL,
1231 dc_name,
1232 NULL, 0,
1233 "IPC$", "IPC",
1234 "",
1235 NULL,
1236 "",
1237 0,
1238 SMB_SIGNING_DEFAULT);
1239 }
1240
1241 if (!NT_STATUS_IS_OK(status)) {
1242 return status;
1243 }
1244
1245 status = get_schannel_session_key(cli, netbios_domain_name,
1246 &neg_flags, &netlogon_pipe);
1247 if (!NT_STATUS_IS_OK(status)) {
1248 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1249 cli_shutdown(cli);
1250 return NT_STATUS_OK;
1251 }
1252
1253 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1254 "key from server %s for domain %s. Error was %s\n",
1255 smbXcli_conn_remote_name(cli->conn),
1256 netbios_domain_name, nt_errstr(status)));
1257 cli_shutdown(cli);
1258 return status;
1259 }
1260
1261 if (!lp_client_schannel()) {
1262 cli_shutdown(cli);
1263 return NT_STATUS_OK;
1264 }
1265
1266 status = cli_rpc_pipe_open_schannel_with_key(
1267 cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1268 DCERPC_AUTH_LEVEL_PRIVACY,
1269 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1270
1271 cli_shutdown(cli);
1272
1273 if (!NT_STATUS_IS_OK(status)) {
1274 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1275 "on netlogon pipe to server %s for domain %s. "
1276 "Error was %s\n",
1277 smbXcli_conn_remote_name(cli->conn),
1278 netbios_domain_name, nt_errstr(status)));
1279 return status;
1280 }
1281
1282 return NT_STATUS_OK;
1283 }
1284
1285 /****************************************************************
1286 ****************************************************************/
1287
1288 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1289 struct libnet_JoinCtx *r)
1290 {
1291 NTSTATUS status;
1292
1293 status = libnet_join_ok(r->out.netbios_domain_name,
1294 r->in.machine_name,
1295 r->in.dc_name,
1296 r->in.use_kerberos);
1297 if (!NT_STATUS_IS_OK(status)) {
1298 libnet_join_set_error_string(mem_ctx, r,
1299 "failed to verify domain membership after joining: %s",
1300 get_friendly_nt_error_msg(status));
1301 return WERR_SETUP_NOT_JOINED;
1302 }
1303
1304 return WERR_OK;
1305 }
1306
1307 /****************************************************************
1308 ****************************************************************/
1309
1310 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1311 struct libnet_UnjoinCtx *r)
1312 {
1313 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1314 return false;
1315 }
1316
1317 if (!secrets_delete_domain_sid(lp_workgroup())) {
1318 return false;
1319 }
1320
1321 return true;
1322 }
1323
1324 /****************************************************************
1325 ****************************************************************/
1326
1327 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1328 struct libnet_UnjoinCtx *r)
1329 {
1330 struct cli_state *cli = NULL;
1331 struct rpc_pipe_client *pipe_hnd = NULL;
1332 struct policy_handle sam_pol, domain_pol, user_pol;
1333 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1334 char *acct_name;
1335 uint32_t user_rid;
1336 struct lsa_String lsa_acct_name;
1337 struct samr_Ids user_rids;
1338 struct samr_Ids name_types;
1339 union samr_UserInfo *info = NULL;
1340 struct dcerpc_binding_handle *b = NULL;
1341
1342 ZERO_STRUCT(sam_pol);
1343 ZERO_STRUCT(domain_pol);
1344 ZERO_STRUCT(user_pol);
1345
1346 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1347 r->in.admin_account,
1348 r->in.admin_password,
1349 r->in.use_kerberos,
1350 &cli);
1351 if (!NT_STATUS_IS_OK(status)) {
1352 goto done;
1353 }
1354
1355 /* Open the domain */
1356
1357 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1358 &pipe_hnd);
1359 if (!NT_STATUS_IS_OK(status)) {
1360 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1361 nt_errstr(status)));
1362 goto done;
1363 }
1364
1365 b = pipe_hnd->binding_handle;
1366
1367 status = dcerpc_samr_Connect2(b, mem_ctx,
1368 pipe_hnd->desthost,
1369 SEC_FLAG_MAXIMUM_ALLOWED,
1370 &sam_pol,
1371 &result);
1372 if (!NT_STATUS_IS_OK(status)) {
1373 goto done;
1374 }
1375 if (!NT_STATUS_IS_OK(result)) {
1376 status = result;
1377 goto done;
1378 }
1379
1380 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1381 &sam_pol,
1382 SEC_FLAG_MAXIMUM_ALLOWED,
1383 r->in.domain_sid,
1384 &domain_pol,
1385 &result);
1386 if (!NT_STATUS_IS_OK(status)) {
1387 goto done;
1388 }
1389 if (!NT_STATUS_IS_OK(result)) {
1390 status = result;
1391 goto done;
1392 }
1393
1394 /* Create domain user */
1395
1396 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1397 if (!strlower_m(acct_name)) {
1398 status = NT_STATUS_INVALID_PARAMETER;
1399 goto done;
1400 }
1401
1402 init_lsa_String(&lsa_acct_name, acct_name);
1403
1404 status = dcerpc_samr_LookupNames(b, mem_ctx,
1405 &domain_pol,
1406 1,
1407 &lsa_acct_name,
1408 &user_rids,
1409 &name_types,
1410 &result);
1411
1412 if (!NT_STATUS_IS_OK(status)) {
1413 goto done;
1414 }
1415 if (!NT_STATUS_IS_OK(result)) {
1416 status = result;
1417 goto done;
1418 }
1419
1420 if (name_types.ids[0] != SID_NAME_USER) {
1421 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1422 name_types.ids[0]));
1423 status = NT_STATUS_INVALID_WORKSTATION;
1424 goto done;
1425 }
1426
1427 user_rid = user_rids.ids[0];
1428
1429 /* Open handle on user */
1430
1431 status = dcerpc_samr_OpenUser(b, mem_ctx,
1432 &domain_pol,
1433 SEC_FLAG_MAXIMUM_ALLOWED,
1434 user_rid,
1435 &user_pol,
1436 &result);
1437 if (!NT_STATUS_IS_OK(status)) {
1438 goto done;
1439 }
1440 if (!NT_STATUS_IS_OK(result)) {
1441 status = result;
1442 goto done;
1443 }
1444
1445 /* Get user info */
1446
1447 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1448 &user_pol,
1449 16,
1450 &info,
1451 &result);
1452 if (!NT_STATUS_IS_OK(status)) {
1453 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1454 goto done;
1455 }
1456 if (!NT_STATUS_IS_OK(result)) {
1457 status = result;
1458 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1459 goto done;
1460 }
1461
1462 /* now disable and setuser info */
1463
1464 info->info16.acct_flags |= ACB_DISABLED;
1465
1466 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1467 &user_pol,
1468 16,
1469 info,
1470 &result);
1471 if (!NT_STATUS_IS_OK(status)) {
1472 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1473 goto done;
1474 }
1475 if (!NT_STATUS_IS_OK(result)) {
1476 status = result;
1477 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1478 goto done;
1479 }
1480 status = result;
1481 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1482
1483 done:
1484 if (pipe_hnd && b) {
1485 if (is_valid_policy_hnd(&domain_pol)) {
1486 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1487 }
1488 if (is_valid_policy_hnd(&sam_pol)) {
1489 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1490 }
1491 TALLOC_FREE(pipe_hnd);
1492 }
1493
1494 if (cli) {
1495 cli_shutdown(cli);
1496 }
1497
1498 return status;
1499 }
1500
1501 /****************************************************************
1502 ****************************************************************/
1503
1504 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1505 {
1506 WERROR werr = WERR_OK;
1507 sbcErr err;
1508 struct smbconf_ctx *ctx;
1509
1510 err = smbconf_init_reg(r, &ctx, NULL);
1511 if (!SBC_ERROR_IS_OK(err)) {
1512 werr = WERR_NO_SUCH_SERVICE;
1513 goto done;
1514 }
1515
1516 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1517
1518 err = smbconf_set_global_parameter(ctx, "security", "user");
1519 if (!SBC_ERROR_IS_OK(err)) {
1520 werr = WERR_NO_SUCH_SERVICE;
1521 goto done;
1522 }
1523
1524 err = smbconf_set_global_parameter(ctx, "workgroup",
1525 r->in.domain_name);
1526 if (!SBC_ERROR_IS_OK(err)) {
1527 werr = WERR_NO_SUCH_SERVICE;
1528 goto done;
1529 }
1530
1531 smbconf_delete_global_parameter(ctx, "realm");
1532 goto done;
1533 }
1534
1535 err = smbconf_set_global_parameter(ctx, "security", "domain");
1536 if (!SBC_ERROR_IS_OK(err)) {
1537 werr = WERR_NO_SUCH_SERVICE;
1538 goto done;
1539 }
1540
1541 err = smbconf_set_global_parameter(ctx, "workgroup",
1542 r->out.netbios_domain_name);
1543 if (!SBC_ERROR_IS_OK(err)) {
1544 werr = WERR_NO_SUCH_SERVICE;
1545 goto done;
1546 }
1547
1548 if (r->out.domain_is_ad) {
1549 err = smbconf_set_global_parameter(ctx, "security", "ads");
1550 if (!SBC_ERROR_IS_OK(err)) {
1551 werr = WERR_NO_SUCH_SERVICE;
1552 goto done;
1553 }
1554
1555 err = smbconf_set_global_parameter(ctx, "realm",
1556 r->out.dns_domain_name);
1557 if (!SBC_ERROR_IS_OK(err)) {
1558 werr = WERR_NO_SUCH_SERVICE;
1559 goto done;
1560 }
1561 }
1562
1563 done:
1564 smbconf_shutdown(ctx);
1565 return werr;
1566 }
1567
1568 /****************************************************************
1569 ****************************************************************/
1570
1571 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1572 {
1573 WERROR werr = WERR_OK;
1574 sbcErr err;
1575 struct smbconf_ctx *ctx;
1576
1577 err = smbconf_init_reg(r, &ctx, NULL);
1578 if (!SBC_ERROR_IS_OK(err)) {
1579 werr = WERR_NO_SUCH_SERVICE;
1580 goto done;
1581 }
1582
1583 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1584
1585 err = smbconf_set_global_parameter(ctx, "security", "user");
1586 if (!SBC_ERROR_IS_OK(err)) {
1587 werr = WERR_NO_SUCH_SERVICE;
1588 goto done;
1589 }
1590
1591 err = smbconf_delete_global_parameter(ctx, "workgroup");
1592 if (!SBC_ERROR_IS_OK(err)) {
1593 werr = WERR_NO_SUCH_SERVICE;
1594 goto done;
1595 }
1596
1597 smbconf_delete_global_parameter(ctx, "realm");
1598 }
1599
1600 done:
1601 smbconf_shutdown(ctx);
1602 return werr;
1603 }
1604
1605 /****************************************************************
1606 ****************************************************************/
1607
1608 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1609 {
1610 WERROR werr;
1611
1612 if (!W_ERROR_IS_OK(r->out.result)) {
1613 return r->out.result;
1614 }
1615
1616 if (!r->in.modify_config) {
1617 return WERR_OK;
1618 }
1619
1620 werr = do_join_modify_vals_config(r);
1621 if (!W_ERROR_IS_OK(werr)) {
1622 return werr;
1623 }
1624
1625 lp_load_global(get_dyn_CONFIGFILE());
1626
1627 r->out.modified_config = true;
1628 r->out.result = werr;
1629
1630 return werr;
1631 }
1632
1633 /****************************************************************
1634 ****************************************************************/
1635
1636 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1637 {
1638 WERROR werr;
1639
1640 if (!W_ERROR_IS_OK(r->out.result)) {
1641 return r->out.result;
1642 }
1643
1644 if (!r->in.modify_config) {
1645 return WERR_OK;
1646 }
1647
1648 werr = do_unjoin_modify_vals_config(r);
1649 if (!W_ERROR_IS_OK(werr)) {
1650 return werr;
1651 }
1652
1653 lp_load_global(get_dyn_CONFIGFILE());
1654
1655 r->out.modified_config = true;
1656 r->out.result = werr;
1657
1658 return werr;
1659 }
1660
1661 /****************************************************************
1662 ****************************************************************/
1663
1664 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1665 const char *domain_str,
1666 const char **domain_p,
1667 const char **dc_p)
1668 {
1669 char *domain = NULL;
1670 char *dc = NULL;
1671 const char *p = NULL;
1672
1673 if (!domain_str || !domain_p || !dc_p) {
1674 return false;
1675 }
1676
1677 p = strchr_m(domain_str, '\\');
1678
1679 if (p != NULL) {
1680 domain = talloc_strndup(mem_ctx, domain_str,
1681 PTR_DIFF(p, domain_str));
1682 dc = talloc_strdup(mem_ctx, p+1);
1683 if (!dc) {
1684 return false;
1685 }
1686 } else {
1687 domain = talloc_strdup(mem_ctx, domain_str);
1688 dc = NULL;
1689 }
1690 if (!domain) {
1691 return false;
1692 }
1693
1694 *domain_p = domain;
1695
1696 if (!*dc_p && dc) {
1697 *dc_p = dc;
1698 }
1699
1700 return true;
1701 }
1702
1703 /****************************************************************
1704 ****************************************************************/
1705
1706 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1707 struct libnet_JoinCtx *r)
1708 {
1709 if (!r->in.domain_name) {
1710 libnet_join_set_error_string(mem_ctx, r,
1711 "No domain name defined");
1712 return WERR_INVALID_PARAM;
1713 }
1714
1715 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1716 &r->in.domain_name,
1717 &r->in.dc_name)) {
1718 libnet_join_set_error_string(mem_ctx, r,
1719 "Failed to parse domain name");
1720 return WERR_INVALID_PARAM;
1721 }
1722
1723 if (IS_DC) {
1724 return WERR_SETUP_DOMAIN_CONTROLLER;
1725 }
1726
1727 if (!secrets_init()) {
1728 libnet_join_set_error_string(mem_ctx, r,
1729 "Unable to open secrets database");
1730 return WERR_CAN_NOT_COMPLETE;
1731 }
1732
1733 return WERR_OK;
1734 }
1735
1736 /****************************************************************
1737 ****************************************************************/
1738
1739 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1740 {
1741 NTSTATUS status;
1742
1743 /* Try adding dom admins to builtin\admins. Only log failures. */
1744 status = create_builtin_administrators(domain_sid);
1745 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1746 DEBUG(10,("Unable to auto-add domain administrators to "
1747 "BUILTIN\\Administrators during join because "
1748 "winbindd must be running.\n"));
1749 } else if (!NT_STATUS_IS_OK(status)) {
1750 DEBUG(5, ("Failed to auto-add domain administrators to "
1751 "BUILTIN\\Administrators during join: %s\n",
1752 nt_errstr(status)));
1753 }
1754
1755 /* Try adding dom users to builtin\users. Only log failures. */
1756 status = create_builtin_users(domain_sid);
1757 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1758 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1759 "during join because winbindd must be running.\n"));
1760 } else if (!NT_STATUS_IS_OK(status)) {
1761 DEBUG(5, ("Failed to auto-add domain administrators to "
1762 "BUILTIN\\Administrators during join: %s\n",
1763 nt_errstr(status)));
1764 }
1765 }
1766
1767 /****************************************************************
1768 ****************************************************************/
1769
1770 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1771 struct libnet_JoinCtx *r)
1772 {
1773 WERROR werr;
1774
1775 if (!W_ERROR_IS_OK(r->out.result)) {
1776 return r->out.result;
1777 }
1778
1779 werr = do_JoinConfig(r);
1780 if (!W_ERROR_IS_OK(werr)) {
1781 return werr;
1782 }
1783
1784 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1785 return WERR_OK;
1786 }
1787
1788 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1789 if (r->out.dns_domain_name) {
1790 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1791 }
1792
1793 #ifdef HAVE_ADS
1794 if (r->out.domain_is_ad &&
1795 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1796 ADS_STATUS ads_status;
1797
1798 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1799 if (!ADS_ERR_OK(ads_status)) {
1800 return WERR_GENERAL_FAILURE;
1801 }
1802 }
1803 #endif /* HAVE_ADS */
1804
1805 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1806
1807 return WERR_OK;
1808 }
1809
1810 /****************************************************************
1811 ****************************************************************/
1812
1813 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1814 {
1815 if (r->in.ads) {
1816 ads_destroy(&r->in.ads);
1817 }
1818
1819 return 0;
1820 }
1821
1822 /****************************************************************
1823 ****************************************************************/
1824
1825 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1826 {
1827 if (r->in.ads) {
1828 ads_destroy(&r->in.ads);
1829 }
1830
1831 return 0;
1832 }
1833
1834 /****************************************************************
1835 ****************************************************************/
1836
1837 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1838 struct libnet_JoinCtx **r)
1839 {
1840 struct libnet_JoinCtx *ctx;
1841
1842 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1843 if (!ctx) {
1844 return WERR_NOMEM;
1845 }
1846
1847 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1848
1849 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1850 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1851
1852 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1853
1854 *r = ctx;
1855
1856 return WERR_OK;
1857 }
1858
1859 /****************************************************************
1860 ****************************************************************/
1861
1862 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1863 struct libnet_UnjoinCtx **r)
1864 {
1865 struct libnet_UnjoinCtx *ctx;
1866
1867 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1868 if (!ctx) {
1869 return WERR_NOMEM;
1870 }
1871
1872 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1873
1874 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1875 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1876
1877 *r = ctx;
1878
1879 return WERR_OK;
1880 }
1881
1882 /****************************************************************
1883 ****************************************************************/
1884
1885 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1886 struct libnet_JoinCtx *r)
1887 {
1888 bool valid_security = false;
1889 bool valid_workgroup = false;
1890 bool valid_realm = false;
1891
1892 /* check if configuration is already set correctly */
1893
1894 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1895
1896 switch (r->out.domain_is_ad) {
1897 case false:
1898 valid_security = (lp_security() == SEC_DOMAIN);
1899 if (valid_workgroup && valid_security) {
1900 /* nothing to be done */
1901 return WERR_OK;
1902 }
1903 break;
1904 case true:
1905 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1906 switch (lp_security()) {
1907 case SEC_DOMAIN:
1908 case SEC_ADS:
1909 valid_security = true;
1910 }
1911
1912 if (valid_workgroup && valid_realm && valid_security) {
1913 /* nothing to be done */
1914 return WERR_OK;
1915 }
1916 break;
1917 }
1918
1919 /* check if we are supposed to manipulate configuration */
1920
1921 if (!r->in.modify_config) {
1922
1923 char *wrong_conf = talloc_strdup(mem_ctx, "");
1924
1925 if (!valid_workgroup) {
1926 wrong_conf = talloc_asprintf_append(wrong_conf,
1927 "\"workgroup\" set to '%s', should be '%s'",
1928 lp_workgroup(), r->out.netbios_domain_name);
1929 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1930 }
1931
1932 if (!valid_realm) {
1933 wrong_conf = talloc_asprintf_append(wrong_conf,
1934 "\"realm\" set to '%s', should be '%s'",
1935 lp_realm(), r->out.dns_domain_name);
1936 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1937 }
1938
1939 if (!valid_security) {
1940 const char *sec = NULL;
1941 switch (lp_security()) {
1942 case SEC_USER: sec = "user"; break;
1943 case SEC_DOMAIN: sec = "domain"; break;
1944 case SEC_ADS: sec = "ads"; break;
1945 }
1946 wrong_conf = talloc_asprintf_append(wrong_conf,
1947 "\"security\" set to '%s', should be %s",
1948 sec, r->out.domain_is_ad ?
1949 "either 'domain' or 'ads'" : "'domain'");
1950 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1951 }
1952
1953 libnet_join_set_error_string(mem_ctx, r,
1954 "Invalid configuration (%s) and configuration modification "
1955 "was not requested", wrong_conf);
1956 return WERR_CAN_NOT_COMPLETE;
1957 }
1958
1959 /* check if we are able to manipulate configuration */
1960
1961 if (!lp_config_backend_is_registry()) {
1962 libnet_join_set_error_string(mem_ctx, r,
1963 "Configuration manipulation requested but not "
1964 "supported by backend");
1965 return WERR_NOT_SUPPORTED;
1966 }
1967
1968 return WERR_OK;
1969 }
1970
1971 /****************************************************************
1972 ****************************************************************/
1973
1974 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1975 struct libnet_JoinCtx *r)
1976 {
1977 NTSTATUS status;
1978 WERROR werr;
1979 struct cli_state *cli = NULL;
1980 #ifdef HAVE_ADS
1981 ADS_STATUS ads_status;
1982 #endif /* HAVE_ADS */
1983
1984 if (!r->in.dc_name) {
1985 struct netr_DsRGetDCNameInfo *info;
1986 const char *dc;
1987 status = dsgetdcname(mem_ctx,
1988 r->in.msg_ctx,
1989 r->in.domain_name,
1990 NULL,
1991 NULL,
1992 DS_FORCE_REDISCOVERY |
1993 DS_DIRECTORY_SERVICE_REQUIRED |
1994 DS_WRITABLE_REQUIRED |
1995 DS_RETURN_DNS_NAME,
1996 &info);
1997 if (!NT_STATUS_IS_OK(status)) {
1998 libnet_join_set_error_string(mem_ctx, r,
1999 "failed to find DC for domain %s",
2000 r->in.domain_name,
2001 get_friendly_nt_error_msg(status));
2002 return WERR_DCNOTFOUND;
2003 }
2004
2005 dc = strip_hostname(info->dc_unc);
2006 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2007 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2008 }
2009
2010 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
2011 if (!NT_STATUS_IS_OK(status)) {
2012 libnet_join_set_error_string(mem_ctx, r,
2013 "failed to lookup DC info for domain '%s' over rpc: %s",
2014 r->in.domain_name, get_friendly_nt_error_msg(status));
2015 return ntstatus_to_werror(status);
2016 }
2017
2018 werr = libnet_join_check_config(mem_ctx, r);
2019 if (!W_ERROR_IS_OK(werr)) {
2020 goto done;
2021 }
2022
2023 #ifdef HAVE_ADS
2024
2025 create_local_private_krb5_conf_for_domain(
2026 r->out.dns_domain_name, r->out.netbios_domain_name,
2027 NULL, smbXcli_conn_remote_sockaddr(cli->conn),
2028 smbXcli_conn_remote_name(cli->conn));
2029
2030 if (r->out.domain_is_ad && r->in.account_ou &&
2031 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2032
2033 ads_status = libnet_join_connect_ads(mem_ctx, r);
2034 if (!ADS_ERR_OK(ads_status)) {
2035 return WERR_DEFAULT_JOIN_REQUIRED;
2036 }
2037
2038 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
2039 if (!ADS_ERR_OK(ads_status)) {
2040 libnet_join_set_error_string(mem_ctx, r,
2041 "failed to precreate account in ou %s: %s",
2042 r->in.account_ou,
2043 ads_errstr(ads_status));
2044 return WERR_DEFAULT_JOIN_REQUIRED;
2045 }
2046
2047 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2048 }
2049 #endif /* HAVE_ADS */
2050
2051 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2052 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2053 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2054 } else {
2055 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2056 }
2057 if (!NT_STATUS_IS_OK(status)) {
2058 libnet_join_set_error_string(mem_ctx, r,
2059 "failed to join domain '%s' over rpc: %s",
2060 r->in.domain_name, get_friendly_nt_error_msg(status));
2061 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2062 return WERR_SETUP_ALREADY_JOINED;
2063 }
2064 werr = ntstatus_to_werror(status);
2065 goto done;
2066 }
2067
2068 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2069 werr = WERR_SETUP_NOT_JOINED;
2070 goto done;
2071 }
2072
2073 werr = WERR_OK;
2074
2075 done:
2076 if (cli) {
2077 cli_shutdown(cli);
2078 }
2079
2080 return werr;
2081 }
2082
2083 /****************************************************************
2084 ****************************************************************/
2085
2086 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2087 struct libnet_JoinCtx *r)
2088 {
2089 WERROR werr;
2090 struct libnet_UnjoinCtx *u = NULL;
2091
2092 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2093 if (!W_ERROR_IS_OK(werr)) {
2094 return werr;
2095 }
2096
2097 u->in.debug = r->in.debug;
2098 u->in.dc_name = r->in.dc_name;
2099 u->in.domain_name = r->in.domain_name;
2100 u->in.admin_account = r->in.admin_account;
2101 u->in.admin_password = r->in.admin_password;
2102 u->in.modify_config = r->in.modify_config;
2103 u->in.use_kerberos = r->in.use_kerberos;
2104 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2105 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2106
2107 werr = libnet_Unjoin(mem_ctx, u);
2108 TALLOC_FREE(u);
2109
2110 return werr;
2111 }
2112
2113 /****************************************************************
2114 ****************************************************************/
2115
2116 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2117 struct libnet_JoinCtx *r)
2118 {
2119 WERROR werr;
2120
2121 if (r->in.debug) {
2122 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2123 }
2124
2125 ZERO_STRUCT(r->out);
2126
2127 werr = libnet_join_pre_processing(mem_ctx, r);
2128 if (!W_ERROR_IS_OK(werr)) {
2129 goto done;
2130 }
2131
2132 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2133 werr = libnet_DomainJoin(mem_ctx, r);
2134 if (!W_ERROR_IS_OK(werr)) {
2135 goto done;
2136 }
2137 }
2138
2139 werr = libnet_join_post_processing(mem_ctx, r);
2140 if (!W_ERROR_IS_OK(werr)) {
2141 goto done;
2142 }
2143
2144 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2145 werr = libnet_join_post_verify(mem_ctx, r);
2146 if (!W_ERROR_IS_OK(werr)) {
2147 libnet_join_rollback(mem_ctx, r);
2148 }
2149 }
2150
2151 done:
2152 r->out.result = werr;
2153
2154 if (r->in.debug) {
2155 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2156 }
2157 return werr;
2158 }
2159
2160 /****************************************************************
2161 ****************************************************************/
2162
2163 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2164 struct libnet_UnjoinCtx *r)
2165 {
2166 NTSTATUS status;
2167
2168 if (!r->in.domain_sid) {
2169 struct dom_sid sid;
2170 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2171 libnet_unjoin_set_error_string(mem_ctx, r,
2172 "Unable to fetch domain sid: are we joined?");
2173 return WERR_SETUP_NOT_JOINED;
2174 }
2175 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2176 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2177 }
2178
2179 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2180 !r->in.delete_machine_account) {
2181 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2182 return WERR_OK;
2183 }
2184
2185 if (!r->in.dc_name) {
2186 struct netr_DsRGetDCNameInfo *info;
2187 const char *dc;
2188 status = dsgetdcname(mem_ctx,
2189 r->in.msg_ctx,
2190 r->in.domain_name,
2191 NULL,
2192 NULL,
2193 DS_DIRECTORY_SERVICE_REQUIRED |
2194 DS_WRITABLE_REQUIRED |
2195 DS_RETURN_DNS_NAME,
2196 &info);
2197 if (!NT_STATUS_IS_OK(status)) {
2198 libnet_unjoin_set_error_string(mem_ctx, r,
2199 "failed to find DC for domain %s",
2200 r->in.domain_name,
2201 get_friendly_nt_error_msg(status));
2202 return WERR_DCNOTFOUND;
2203 }
2204
2205 dc = strip_hostname(info->dc_unc);
2206 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2207 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2208 }
2209
2210 #ifdef HAVE_ADS
2211 /* for net ads leave, try to delete the account. If it works,
2212 no sense in disabling. If it fails, we can still try to
2213 disable it. jmcd */
2214
2215 if (r->in.delete_machine_account) {
2216 ADS_STATUS ads_status;
2217 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2218 if (ADS_ERR_OK(ads_status)) {
2219 /* dirty hack */
2220 r->out.dns_domain_name =
2221 talloc_strdup(mem_ctx,
2222 r->in.ads->server.realm);
2223 ads_status =
2224 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2225 }
2226 if (!ADS_ERR_OK(ads_status)) {
2227 libnet_unjoin_set_error_string(mem_ctx, r,
2228 "failed to remove machine account from AD: %s",
2229 ads_errstr(ads_status));
2230 } else {
2231 r->out.deleted_machine_account = true;
2232 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2233 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2234 return WERR_OK;
2235 }
2236 }
2237 #endif /* HAVE_ADS */
2238
2239 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2240 "disable". */
2241 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2242 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2243 if (!NT_STATUS_IS_OK(status)) {
2244 libnet_unjoin_set_error_string(mem_ctx, r,
2245 "failed to disable machine account via rpc: %s",
2246 get_friendly_nt_error_msg(status));
2247 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2248 return WERR_SETUP_NOT_JOINED;
2249 }
2250 return ntstatus_to_werror(status);
2251 }
2252
2253 r->out.disabled_machine_account = true;
2254 }
2255
2256 /* If disable succeeded or was not requested at all, we
2257 should be getting rid of our end of things */
2258
2259 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2260
2261 return WERR_OK;
2262 }
2263
2264 /****************************************************************
2265 ****************************************************************/
2266
2267 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2268 struct libnet_UnjoinCtx *r)
2269 {
2270 if (!r->in.domain_name) {
2271 libnet_unjoin_set_error_string(mem_ctx, r,
2272 "No domain name defined");
2273 return WERR_INVALID_PARAM;
2274 }
2275
2276 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2277 &r->in.domain_name,
2278 &r->in.dc_name)) {
2279 libnet_unjoin_set_error_string(mem_ctx, r,
2280 "Failed to parse domain name");
2281 return WERR_INVALID_PARAM;
2282 }
2283
2284 if (IS_DC) {
2285 return WERR_SETUP_DOMAIN_CONTROLLER;
2286 }
2287
2288 if (!secrets_init()) {
2289 libnet_unjoin_set_error_string(mem_ctx, r,
2290 "Unable to open secrets database");
2291 return WERR_CAN_NOT_COMPLETE;
2292 }
2293
2294 return WERR_OK;
2295 }
2296
2297 /****************************************************************
2298 ****************************************************************/
2299
2300 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2301 struct libnet_UnjoinCtx *r)
2302 {
2303 saf_delete(r->out.netbios_domain_name);
2304 saf_delete(r->out.dns_domain_name);
2305
2306 return libnet_unjoin_config(r);
2307 }
2308
2309 /****************************************************************
2310 ****************************************************************/
2311
2312 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2313 struct libnet_UnjoinCtx *r)
2314 {
2315 WERROR werr;
2316
2317 if (r->in.debug) {
2318 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2319 }
2320
2321 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2322 if (!W_ERROR_IS_OK(werr)) {
2323 goto done;
2324 }
2325
2326 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2327 werr = libnet_DomainUnjoin(mem_ctx, r);
2328 if (!W_ERROR_IS_OK(werr)) {
2329 libnet_unjoin_config(r);
2330 goto done;
2331 }
2332 }
2333
2334 werr = libnet_unjoin_post_processing(mem_ctx, r);
2335 if (!W_ERROR_IS_OK(werr)) {
2336 goto done;
2337 }
2338
2339 done:
2340 r->out.result = werr;
2341
2342 if (r->in.debug) {
2343 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2344 }
2345
2346 return werr;
2347 }
reg import