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Don't require "Modify property" perms to unjoin bug #6481)
[Samba/nascimento.git] / source3 / libnet / libnet_join.c
bloba96fd8c5008b113d26789953706a457fd068f8fb
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 "libnet/libnet.h"
23 #include "libcli/auth/libcli_auth.h"
24
25 /****************************************************************
26 ****************************************************************/
27
28 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
29 do { \
30 char *str = NULL; \
31 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
32 DEBUG(1,("libnet_Join:\n%s", str)); \
33 TALLOC_FREE(str); \
34 } while (0)
35
36 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
37 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
38 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
39 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
40
41 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
42 do { \
43 char *str = NULL; \
44 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
45 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
46 TALLOC_FREE(str); \
47 } while (0)
48
49 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
50 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
51 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
52 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
53
54 /****************************************************************
55 ****************************************************************/
56
57 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
58 struct libnet_JoinCtx *r,
59 const char *format, ...)
60 {
61 va_list args;
62
63 if (r->out.error_string) {
64 return;
65 }
66
67 va_start(args, format);
68 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
69 va_end(args);
70 }
71
72 /****************************************************************
73 ****************************************************************/
74
75 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
76 struct libnet_UnjoinCtx *r,
77 const char *format, ...)
78 {
79 va_list args;
80
81 if (r->out.error_string) {
82 return;
83 }
84
85 va_start(args, format);
86 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
87 va_end(args);
88 }
89
90 #ifdef WITH_ADS
91
92 /****************************************************************
93 ****************************************************************/
94
95 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
96 const char *netbios_domain_name,
97 const char *dc_name,
98 const char *user_name,
99 const char *password,
100 ADS_STRUCT **ads)
101 {
102 ADS_STATUS status;
103 ADS_STRUCT *my_ads = NULL;
104
105 my_ads = ads_init(dns_domain_name,
106 netbios_domain_name,
107 dc_name);
108 if (!my_ads) {
109 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
110 }
111
112 if (user_name) {
113 SAFE_FREE(my_ads->auth.user_name);
114 my_ads->auth.user_name = SMB_STRDUP(user_name);
115 }
116
117 if (password) {
118 SAFE_FREE(my_ads->auth.password);
119 my_ads->auth.password = SMB_STRDUP(password);
120 }
121
122 status = ads_connect_user_creds(my_ads);
123 if (!ADS_ERR_OK(status)) {
124 ads_destroy(&my_ads);
125 return status;
126 }
127
128 *ads = my_ads;
129 return ADS_SUCCESS;
130 }
131
132 /****************************************************************
133 ****************************************************************/
134
135 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
136 struct libnet_JoinCtx *r)
137 {
138 ADS_STATUS status;
139
140 status = libnet_connect_ads(r->out.dns_domain_name,
141 r->out.netbios_domain_name,
142 r->in.dc_name,
143 r->in.admin_account,
144 r->in.admin_password,
145 &r->in.ads);
146 if (!ADS_ERR_OK(status)) {
147 libnet_join_set_error_string(mem_ctx, r,
148 "failed to connect to AD: %s",
149 ads_errstr(status));
150 return status;
151 }
152
153 if (!r->out.netbios_domain_name) {
154 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
155 r->in.ads->server.workgroup);
156 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
157 }
158
159 if (!r->out.dns_domain_name) {
160 r->out.dns_domain_name = talloc_strdup(mem_ctx,
161 r->in.ads->config.realm);
162 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
163 }
164
165 r->out.domain_is_ad = true;
166
167 return ADS_SUCCESS;
168 }
169
170 /****************************************************************
171 ****************************************************************/
172
173 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
174 struct libnet_UnjoinCtx *r)
175 {
176 ADS_STATUS status;
177
178 status = libnet_connect_ads(r->in.domain_name,
179 r->in.domain_name,
180 r->in.dc_name,
181 r->in.admin_account,
182 r->in.admin_password,
183 &r->in.ads);
184 if (!ADS_ERR_OK(status)) {
185 libnet_unjoin_set_error_string(mem_ctx, r,
186 "failed to connect to AD: %s",
187 ads_errstr(status));
188 }
189
190 return status;
191 }
192
193 /****************************************************************
194 join a domain using ADS (LDAP mods)
195 ****************************************************************/
196
197 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
198 struct libnet_JoinCtx *r)
199 {
200 ADS_STATUS status;
201 LDAPMessage *res = NULL;
202 const char *attrs[] = { "dn", NULL };
203 bool moved = false;
204
205 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
206 if (!ADS_ERR_OK(status)) {
207 return status;
208 }
209
210 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
211 if (!ADS_ERR_OK(status)) {
212 return status;
213 }
214
215 if (ads_count_replies(r->in.ads, res) != 1) {
216 ads_msgfree(r->in.ads, res);
217 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
218 }
219
220 ads_msgfree(r->in.ads, res);
221
222 /* Attempt to create the machine account and bail if this fails.
223 Assume that the admin wants exactly what they requested */
224
225 status = ads_create_machine_acct(r->in.ads,
226 r->in.machine_name,
227 r->in.account_ou);
228
229 if (ADS_ERR_OK(status)) {
230 DEBUG(1,("machine account creation created\n"));
231 return status;
232 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
233 (status.err.rc == LDAP_ALREADY_EXISTS)) {
234 status = ADS_SUCCESS;
235 }
236
237 if (!ADS_ERR_OK(status)) {
238 DEBUG(1,("machine account creation failed\n"));
239 return status;
240 }
241
242 status = ads_move_machine_acct(r->in.ads,
243 r->in.machine_name,
244 r->in.account_ou,
245 &moved);
246 if (!ADS_ERR_OK(status)) {
247 DEBUG(1,("failure to locate/move pre-existing "
248 "machine account\n"));
249 return status;
250 }
251
252 DEBUG(1,("The machine account %s the specified OU.\n",
253 moved ? "was moved into" : "already exists in"));
254
255 return status;
256 }
257
258 /****************************************************************
259 ****************************************************************/
260
261 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
262 struct libnet_UnjoinCtx *r)
263 {
264 ADS_STATUS status;
265
266 if (!r->in.ads) {
267 return libnet_unjoin_connect_ads(mem_ctx, r);
268 }
269
270 status = ads_leave_realm(r->in.ads, r->in.machine_name);
271 if (!ADS_ERR_OK(status)) {
272 libnet_unjoin_set_error_string(mem_ctx, r,
273 "failed to leave realm: %s",
274 ads_errstr(status));
275 return status;
276 }
277
278 return ADS_SUCCESS;
279 }
280
281 /****************************************************************
282 ****************************************************************/
283
284 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
285 struct libnet_JoinCtx *r)
286 {
287 ADS_STATUS status;
288 LDAPMessage *res = NULL;
289 char *dn = NULL;
290
291 if (!r->in.machine_name) {
292 return ADS_ERROR(LDAP_NO_MEMORY);
293 }
294
295 status = ads_find_machine_acct(r->in.ads,
296 &res,
297 r->in.machine_name);
298 if (!ADS_ERR_OK(status)) {
299 return status;
300 }
301
302 if (ads_count_replies(r->in.ads, res) != 1) {
303 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
304 goto done;
305 }
306
307 dn = ads_get_dn(r->in.ads, mem_ctx, res);
308 if (!dn) {
309 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
310 goto done;
311 }
312
313 r->out.dn = talloc_strdup(mem_ctx, dn);
314 if (!r->out.dn) {
315 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
316 goto done;
317 }
318
319 done:
320 ads_msgfree(r->in.ads, res);
321 TALLOC_FREE(dn);
322
323 return status;
324 }
325
326 /****************************************************************
327 Set a machines dNSHostName and servicePrincipalName attributes
328 ****************************************************************/
329
330 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
331 struct libnet_JoinCtx *r)
332 {
333 ADS_STATUS status;
334 ADS_MODLIST mods;
335 fstring my_fqdn;
336 const char *spn_array[3] = {NULL, NULL, NULL};
337 char *spn = NULL;
338
339 /* Find our DN */
340
341 status = libnet_join_find_machine_acct(mem_ctx, r);
342 if (!ADS_ERR_OK(status)) {
343 return status;
344 }
345
346 /* Windows only creates HOST/shortname & HOST/fqdn. */
347
348 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
349 if (!spn) {
350 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
351 }
352 strupper_m(spn);
353 spn_array[0] = spn;
354
355 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
356 || (strchr(my_fqdn, '.') == NULL)) {
357 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
358 r->out.dns_domain_name);
359 }
360
361 strlower_m(my_fqdn);
362
363 if (!strequal(my_fqdn, r->in.machine_name)) {
364 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
365 if (!spn) {
366 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
367 }
368 spn_array[1] = spn;
369 }
370
371 mods = ads_init_mods(mem_ctx);
372 if (!mods) {
373 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
374 }
375
376 /* fields of primary importance */
377
378 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
379 if (!ADS_ERR_OK(status)) {
380 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
381 }
382
383 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
384 spn_array);
385 if (!ADS_ERR_OK(status)) {
386 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
387 }
388
389 return ads_gen_mod(r->in.ads, r->out.dn, mods);
390 }
391
392 /****************************************************************
393 ****************************************************************/
394
395 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
396 struct libnet_JoinCtx *r)
397 {
398 ADS_STATUS status;
399 ADS_MODLIST mods;
400
401 if (!r->in.create_upn) {
402 return ADS_SUCCESS;
403 }
404
405 /* Find our DN */
406
407 status = libnet_join_find_machine_acct(mem_ctx, r);
408 if (!ADS_ERR_OK(status)) {
409 return status;
410 }
411
412 if (!r->in.upn) {
413 r->in.upn = talloc_asprintf(mem_ctx,
414 "host/%s@%s",
415 r->in.machine_name,
416 r->out.dns_domain_name);
417 if (!r->in.upn) {
418 return ADS_ERROR(LDAP_NO_MEMORY);
419 }
420 }
421
422 /* now do the mods */
423
424 mods = ads_init_mods(mem_ctx);
425 if (!mods) {
426 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
427 }
428
429 /* fields of primary importance */
430
431 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
432 if (!ADS_ERR_OK(status)) {
433 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
434 }
435
436 return ads_gen_mod(r->in.ads, r->out.dn, mods);
437 }
438
439
440 /****************************************************************
441 ****************************************************************/
442
443 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
444 struct libnet_JoinCtx *r)
445 {
446 ADS_STATUS status;
447 ADS_MODLIST mods;
448 char *os_sp = NULL;
449
450 if (!r->in.os_name || !r->in.os_version ) {
451 return ADS_SUCCESS;
452 }
453
454 /* Find our DN */
455
456 status = libnet_join_find_machine_acct(mem_ctx, r);
457 if (!ADS_ERR_OK(status)) {
458 return status;
459 }
460
461 /* now do the mods */
462
463 mods = ads_init_mods(mem_ctx);
464 if (!mods) {
465 return ADS_ERROR(LDAP_NO_MEMORY);
466 }
467
468 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
469 if (!os_sp) {
470 return ADS_ERROR(LDAP_NO_MEMORY);
471 }
472
473 /* fields of primary importance */
474
475 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
476 r->in.os_name);
477 if (!ADS_ERR_OK(status)) {
478 return status;
479 }
480
481 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
482 r->in.os_version);
483 if (!ADS_ERR_OK(status)) {
484 return status;
485 }
486
487 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
488 os_sp);
489 if (!ADS_ERR_OK(status)) {
490 return status;
491 }
492
493 return ads_gen_mod(r->in.ads, r->out.dn, mods);
494 }
495
496 /****************************************************************
497 ****************************************************************/
498
499 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
500 struct libnet_JoinCtx *r)
501 {
502 if (!USE_SYSTEM_KEYTAB) {
503 return true;
504 }
505
506 if (ads_keytab_create_default(r->in.ads) != 0) {
507 return false;
508 }
509
510 return true;
511 }
512
513 /****************************************************************
514 ****************************************************************/
515
516 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
517 struct libnet_JoinCtx *r)
518 {
519 uint32_t domain_func;
520 ADS_STATUS status;
521 const char *salt = NULL;
522 char *std_salt = NULL;
523
524 status = ads_domain_func_level(r->in.ads, &domain_func);
525 if (!ADS_ERR_OK(status)) {
526 libnet_join_set_error_string(mem_ctx, r,
527 "failed to determine domain functional level: %s",
528 ads_errstr(status));
529 return false;
530 }
531
532 /* go ahead and setup the default salt */
533
534 std_salt = kerberos_standard_des_salt();
535 if (!std_salt) {
536 libnet_join_set_error_string(mem_ctx, r,
537 "failed to obtain standard DES salt");
538 return false;
539 }
540
541 salt = talloc_strdup(mem_ctx, std_salt);
542 if (!salt) {
543 return false;
544 }
545
546 SAFE_FREE(std_salt);
547
548 /* if it's a Windows functional domain, we have to look for the UPN */
549
550 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
551 char *upn;
552
553 upn = ads_get_upn(r->in.ads, mem_ctx,
554 r->in.machine_name);
555 if (upn) {
556 salt = talloc_strdup(mem_ctx, upn);
557 if (!salt) {
558 return false;
559 }
560 }
561 }
562
563 return kerberos_secrets_store_des_salt(salt);
564 }
565
566 /****************************************************************
567 ****************************************************************/
568
569 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
570 struct libnet_JoinCtx *r)
571 {
572 ADS_STATUS status;
573
574 if (!r->in.ads) {
575 status = libnet_join_connect_ads(mem_ctx, r);
576 if (!ADS_ERR_OK(status)) {
577 return status;
578 }
579 }
580
581 status = libnet_join_set_machine_spn(mem_ctx, r);
582 if (!ADS_ERR_OK(status)) {
583 libnet_join_set_error_string(mem_ctx, r,
584 "failed to set machine spn: %s",
585 ads_errstr(status));
586 return status;
587 }
588
589 status = libnet_join_set_os_attributes(mem_ctx, r);
590 if (!ADS_ERR_OK(status)) {
591 libnet_join_set_error_string(mem_ctx, r,
592 "failed to set machine os attributes: %s",
593 ads_errstr(status));
594 return status;
595 }
596
597 status = libnet_join_set_machine_upn(mem_ctx, r);
598 if (!ADS_ERR_OK(status)) {
599 libnet_join_set_error_string(mem_ctx, r,
600 "failed to set machine upn: %s",
601 ads_errstr(status));
602 return status;
603 }
604
605 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
606 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
607 }
608
609 if (!libnet_join_create_keytab(mem_ctx, r)) {
610 libnet_join_set_error_string(mem_ctx, r,
611 "failed to create kerberos keytab");
612 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
613 }
614
615 return ADS_SUCCESS;
616 }
617 #endif /* WITH_ADS */
618
619 /****************************************************************
620 Store the machine password and domain SID
621 ****************************************************************/
622
623 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
624 struct libnet_JoinCtx *r)
625 {
626 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
627 r->out.domain_sid))
628 {
629 DEBUG(1,("Failed to save domain sid\n"));
630 return false;
631 }
632
633 if (!secrets_store_machine_password(r->in.machine_password,
634 r->out.netbios_domain_name,
635 r->in.secure_channel_type))
636 {
637 DEBUG(1,("Failed to save machine password\n"));
638 return false;
639 }
640
641 return true;
642 }
643
644 /****************************************************************
645 Connect dc's IPC$ share
646 ****************************************************************/
647
648 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
649 const char *user,
650 const char *pass,
651 bool use_kerberos,
652 struct cli_state **cli)
653 {
654 int flags = 0;
655
656 if (use_kerberos) {
657 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
658 }
659
660 if (use_kerberos && pass) {
661 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
662 }
663
664 return cli_full_connection(cli, NULL,
665 dc,
666 NULL, 0,
667 "IPC$", "IPC",
668 user,
669 NULL,
670 pass,
671 flags,
672 Undefined, NULL);
673 }
674
675 /****************************************************************
676 Lookup domain dc's info
677 ****************************************************************/
678
679 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
680 struct libnet_JoinCtx *r,
681 struct cli_state **cli)
682 {
683 struct rpc_pipe_client *pipe_hnd = NULL;
684 struct policy_handle lsa_pol;
685 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
686 union lsa_PolicyInformation *info = NULL;
687
688 status = libnet_join_connect_dc_ipc(r->in.dc_name,
689 r->in.admin_account,
690 r->in.admin_password,
691 r->in.use_kerberos,
692 cli);
693 if (!NT_STATUS_IS_OK(status)) {
694 goto done;
695 }
696
697 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
698 &pipe_hnd);
699 if (!NT_STATUS_IS_OK(status)) {
700 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
701 nt_errstr(status)));
702 goto done;
703 }
704
705 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
706 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
707 if (!NT_STATUS_IS_OK(status)) {
708 goto done;
709 }
710
711 status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
712 &lsa_pol,
713 LSA_POLICY_INFO_DNS,
714 &info);
715 if (NT_STATUS_IS_OK(status)) {
716 r->out.domain_is_ad = true;
717 r->out.netbios_domain_name = info->dns.name.string;
718 r->out.dns_domain_name = info->dns.dns_domain.string;
719 r->out.forest_name = info->dns.dns_forest.string;
720 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
721 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
722 }
723
724 if (!NT_STATUS_IS_OK(status)) {
725 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
726 &lsa_pol,
727 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
728 &info);
729 if (!NT_STATUS_IS_OK(status)) {
730 goto done;
731 }
732
733 r->out.netbios_domain_name = info->account_domain.name.string;
734 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
735 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
736 }
737
738 rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
739 TALLOC_FREE(pipe_hnd);
740
741 done:
742 return status;
743 }
744
745 /****************************************************************
746 Do the domain join unsecure
747 ****************************************************************/
748
749 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
750 struct libnet_JoinCtx *r,
751 struct cli_state *cli)
752 {
753 struct rpc_pipe_client *pipe_hnd = NULL;
754 unsigned char orig_trust_passwd_hash[16];
755 unsigned char new_trust_passwd_hash[16];
756 fstring trust_passwd;
757 NTSTATUS status;
758
759 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
760 &pipe_hnd);
761 if (!NT_STATUS_IS_OK(status)) {
762 return status;
763 }
764
765 if (!r->in.machine_password) {
766 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
767 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
768 }
769
770 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
771
772 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
773 fstrcpy(trust_passwd, r->in.admin_password);
774 strlower_m(trust_passwd);
775
776 /*
777 * Machine names can be 15 characters, but the max length on
778 * a password is 14. --jerry
779 */
780
781 trust_passwd[14] = '\0';
782
783 E_md4hash(trust_passwd, orig_trust_passwd_hash);
784
785 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
786 orig_trust_passwd_hash,
787 r->in.machine_password,
788 new_trust_passwd_hash,
789 r->in.secure_channel_type);
790
791 return status;
792 }
793
794 /****************************************************************
795 Do the domain join
796 ****************************************************************/
797
798 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
799 struct libnet_JoinCtx *r,
800 struct cli_state *cli)
801 {
802 struct rpc_pipe_client *pipe_hnd = NULL;
803 struct policy_handle sam_pol, domain_pol, user_pol;
804 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
805 char *acct_name;
806 struct lsa_String lsa_acct_name;
807 uint32_t user_rid;
808 uint32_t acct_flags = ACB_WSTRUST;
809 struct samr_Ids user_rids;
810 struct samr_Ids name_types;
811 union samr_UserInfo user_info;
812
813 struct samr_CryptPassword crypt_pwd;
814 struct samr_CryptPasswordEx crypt_pwd_ex;
815
816 ZERO_STRUCT(sam_pol);
817 ZERO_STRUCT(domain_pol);
818 ZERO_STRUCT(user_pol);
819
820 switch (r->in.secure_channel_type) {
821 case SEC_CHAN_WKSTA:
822 acct_flags = ACB_WSTRUST;
823 break;
824 case SEC_CHAN_BDC:
825 acct_flags = ACB_SVRTRUST;
826 break;
827 default:
828 return NT_STATUS_INVALID_PARAMETER;
829 }
830
831 if (!r->in.machine_password) {
832 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
833 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
834 }
835
836 /* Open the domain */
837
838 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
839 &pipe_hnd);
840 if (!NT_STATUS_IS_OK(status)) {
841 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
842 nt_errstr(status)));
843 goto done;
844 }
845
846 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
847 pipe_hnd->desthost,
848 SAMR_ACCESS_ENUM_DOMAINS
849 | SAMR_ACCESS_LOOKUP_DOMAIN,
850 &sam_pol);
851 if (!NT_STATUS_IS_OK(status)) {
852 goto done;
853 }
854
855 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
856 &sam_pol,
857 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
858 | SAMR_DOMAIN_ACCESS_CREATE_USER
859 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
860 r->out.domain_sid,
861 &domain_pol);
862 if (!NT_STATUS_IS_OK(status)) {
863 goto done;
864 }
865
866 /* Create domain user */
867
868 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
869 strlower_m(acct_name);
870
871 init_lsa_String(&lsa_acct_name, acct_name);
872
873 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
874 uint32_t access_desired =
875 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
876 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
877 SAMR_USER_ACCESS_SET_PASSWORD |
878 SAMR_USER_ACCESS_GET_ATTRIBUTES |
879 SAMR_USER_ACCESS_SET_ATTRIBUTES;
880 uint32_t access_granted = 0;
881
882 DEBUG(10,("Creating account with desired access mask: %d\n",
883 access_desired));
884
885 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
886 &domain_pol,
887 &lsa_acct_name,
888 acct_flags,
889 access_desired,
890 &user_pol,
891 &access_granted,
892 &user_rid);
893 if (!NT_STATUS_IS_OK(status) &&
894 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
895
896 DEBUG(10,("Creation of workstation account failed: %s\n",
897 nt_errstr(status)));
898
899 /* If NT_STATUS_ACCESS_DENIED then we have a valid
900 username/password combo but the user does not have
901 administrator access. */
902
903 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
904 libnet_join_set_error_string(mem_ctx, r,
905 "User specified does not have "
906 "administrator privileges");
907 }
908
909 goto done;
910 }
911
912 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
913 if (!(r->in.join_flags &
914 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
915 goto done;
916 }
917 }
918
919 /* We *must* do this.... don't ask... */
920
921 if (NT_STATUS_IS_OK(status)) {
922 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
923 }
924 }
925
926 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
927 &domain_pol,
928 1,
929 &lsa_acct_name,
930 &user_rids,
931 &name_types);
932 if (!NT_STATUS_IS_OK(status)) {
933 goto done;
934 }
935
936 if (name_types.ids[0] != SID_NAME_USER) {
937 DEBUG(0,("%s is not a user account (type=%d)\n",
938 acct_name, name_types.ids[0]));
939 status = NT_STATUS_INVALID_WORKSTATION;
940 goto done;
941 }
942
943 user_rid = user_rids.ids[0];
944
945 /* Open handle on user */
946
947 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
948 &domain_pol,
949 SEC_FLAG_MAXIMUM_ALLOWED,
950 user_rid,
951 &user_pol);
952 if (!NT_STATUS_IS_OK(status)) {
953 goto done;
954 }
955
956 /* Fill in the additional account flags now */
957
958 acct_flags |= ACB_PWNOEXP;
959 if (r->out.domain_is_ad) {
960 #if !defined(ENCTYPE_ARCFOUR_HMAC)
961 acct_flags |= ACB_USE_DES_KEY_ONLY;
962 #endif
963 ;;
964 }
965
966 /* Set account flags on machine account */
967 ZERO_STRUCT(user_info.info16);
968 user_info.info16.acct_flags = acct_flags;
969
970 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
971 &user_pol,
972 16,
973 &user_info);
974
975 if (!NT_STATUS_IS_OK(status)) {
976
977 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
978 &user_pol);
979
980 libnet_join_set_error_string(mem_ctx, r,
981 "Failed to set account flags for machine account (%s)\n",
982 nt_errstr(status));
983 goto done;
984 }
985
986 /* Set password on machine account - first try level 26 */
987
988 init_samr_CryptPasswordEx(r->in.machine_password,
989 &cli->user_session_key,
990 &crypt_pwd_ex);
991
992 user_info.info26.password = crypt_pwd_ex;
993 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
994
995 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
996 &user_pol,
997 26,
998 &user_info);
999
1000 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
1001
1002 /* retry with level 24 */
1003
1004 init_samr_CryptPassword(r->in.machine_password,
1005 &cli->user_session_key,
1006 &crypt_pwd);
1007
1008 user_info.info24.password = crypt_pwd;
1009 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1010
1011 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
1012 &user_pol,
1013 24,
1014 &user_info);
1015 }
1016
1017 if (!NT_STATUS_IS_OK(status)) {
1018
1019 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
1020 &user_pol);
1021
1022 libnet_join_set_error_string(mem_ctx, r,
1023 "Failed to set password for machine account (%s)\n",
1024 nt_errstr(status));
1025 goto done;
1026 }
1027
1028 status = NT_STATUS_OK;
1029
1030 done:
1031 if (!pipe_hnd) {
1032 return status;
1033 }
1034
1035 if (is_valid_policy_hnd(&sam_pol)) {
1036 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1037 }
1038 if (is_valid_policy_hnd(&domain_pol)) {
1039 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1040 }
1041 if (is_valid_policy_hnd(&user_pol)) {
1042 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1043 }
1044 TALLOC_FREE(pipe_hnd);
1045
1046 return status;
1047 }
1048
1049 /****************************************************************
1050 ****************************************************************/
1051
1052 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1053 const char *machine_name,
1054 const char *dc_name)
1055 {
1056 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1057 struct cli_state *cli = NULL;
1058 struct rpc_pipe_client *pipe_hnd = NULL;
1059 struct rpc_pipe_client *netlogon_pipe = NULL;
1060 NTSTATUS status;
1061 char *machine_password = NULL;
1062 char *machine_account = NULL;
1063
1064 if (!dc_name) {
1065 return NT_STATUS_INVALID_PARAMETER;
1066 }
1067
1068 if (!secrets_init()) {
1069 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1070 }
1071
1072 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1073 NULL, NULL);
1074 if (!machine_password) {
1075 return NT_STATUS_NO_TRUST_LSA_SECRET;
1076 }
1077
1078 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1079 SAFE_FREE(machine_password);
1080 return NT_STATUS_NO_MEMORY;
1081 }
1082
1083 status = cli_full_connection(&cli, NULL,
1084 dc_name,
1085 NULL, 0,
1086 "IPC$", "IPC",
1087 machine_account,
1088 NULL,
1089 machine_password,
1090 0,
1091 Undefined, NULL);
1092 free(machine_account);
1093 free(machine_password);
1094
1095 if (!NT_STATUS_IS_OK(status)) {
1096 status = cli_full_connection(&cli, NULL,
1097 dc_name,
1098 NULL, 0,
1099 "IPC$", "IPC",
1100 "",
1101 NULL,
1102 "",
1103 0,
1104 Undefined, NULL);
1105 }
1106
1107 if (!NT_STATUS_IS_OK(status)) {
1108 return status;
1109 }
1110
1111 status = get_schannel_session_key(cli, netbios_domain_name,
1112 &neg_flags, &netlogon_pipe);
1113 if (!NT_STATUS_IS_OK(status)) {
1114 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1115 cli_shutdown(cli);
1116 return NT_STATUS_OK;
1117 }
1118
1119 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1120 "key from server %s for domain %s. Error was %s\n",
1121 cli->desthost, netbios_domain_name, nt_errstr(status)));
1122 cli_shutdown(cli);
1123 return status;
1124 }
1125
1126 if (!lp_client_schannel()) {
1127 cli_shutdown(cli);
1128 return NT_STATUS_OK;
1129 }
1130
1131 status = cli_rpc_pipe_open_schannel_with_key(
1132 cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
1133 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1134
1135 cli_shutdown(cli);
1136
1137 if (!NT_STATUS_IS_OK(status)) {
1138 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1139 "on netlogon pipe to server %s for domain %s. "
1140 "Error was %s\n",
1141 cli->desthost, netbios_domain_name, nt_errstr(status)));
1142 return status;
1143 }
1144
1145 return NT_STATUS_OK;
1146 }
1147
1148 /****************************************************************
1149 ****************************************************************/
1150
1151 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1152 struct libnet_JoinCtx *r)
1153 {
1154 NTSTATUS status;
1155
1156 status = libnet_join_ok(r->out.netbios_domain_name,
1157 r->in.machine_name,
1158 r->in.dc_name);
1159 if (!NT_STATUS_IS_OK(status)) {
1160 libnet_join_set_error_string(mem_ctx, r,
1161 "failed to verify domain membership after joining: %s",
1162 get_friendly_nt_error_msg(status));
1163 return WERR_SETUP_NOT_JOINED;
1164 }
1165
1166 return WERR_OK;
1167 }
1168
1169 /****************************************************************
1170 ****************************************************************/
1171
1172 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1173 struct libnet_UnjoinCtx *r)
1174 {
1175 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1176 return false;
1177 }
1178
1179 if (!secrets_delete_domain_sid(lp_workgroup())) {
1180 return false;
1181 }
1182
1183 return true;
1184 }
1185
1186 /****************************************************************
1187 ****************************************************************/
1188
1189 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1190 struct libnet_UnjoinCtx *r)
1191 {
1192 struct cli_state *cli = NULL;
1193 struct rpc_pipe_client *pipe_hnd = NULL;
1194 struct policy_handle sam_pol, domain_pol, user_pol;
1195 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1196 char *acct_name;
1197 uint32_t user_rid;
1198 struct lsa_String lsa_acct_name;
1199 struct samr_Ids user_rids;
1200 struct samr_Ids name_types;
1201 union samr_UserInfo *info = NULL;
1202
1203 ZERO_STRUCT(sam_pol);
1204 ZERO_STRUCT(domain_pol);
1205 ZERO_STRUCT(user_pol);
1206
1207 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1208 r->in.admin_account,
1209 r->in.admin_password,
1210 r->in.use_kerberos,
1211 &cli);
1212 if (!NT_STATUS_IS_OK(status)) {
1213 goto done;
1214 }
1215
1216 /* Open the domain */
1217
1218 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1219 &pipe_hnd);
1220 if (!NT_STATUS_IS_OK(status)) {
1221 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1222 nt_errstr(status)));
1223 goto done;
1224 }
1225
1226 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1227 pipe_hnd->desthost,
1228 SEC_FLAG_MAXIMUM_ALLOWED,
1229 &sam_pol);
1230 if (!NT_STATUS_IS_OK(status)) {
1231 goto done;
1232 }
1233
1234 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1235 &sam_pol,
1236 SEC_FLAG_MAXIMUM_ALLOWED,
1237 r->in.domain_sid,
1238 &domain_pol);
1239 if (!NT_STATUS_IS_OK(status)) {
1240 goto done;
1241 }
1242
1243 /* Create domain user */
1244
1245 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1246 strlower_m(acct_name);
1247
1248 init_lsa_String(&lsa_acct_name, acct_name);
1249
1250 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1251 &domain_pol,
1252 1,
1253 &lsa_acct_name,
1254 &user_rids,
1255 &name_types);
1256
1257 if (!NT_STATUS_IS_OK(status)) {
1258 goto done;
1259 }
1260
1261 if (name_types.ids[0] != SID_NAME_USER) {
1262 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1263 name_types.ids[0]));
1264 status = NT_STATUS_INVALID_WORKSTATION;
1265 goto done;
1266 }
1267
1268 user_rid = user_rids.ids[0];
1269
1270 /* Open handle on user */
1271
1272 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1273 &domain_pol,
1274 SEC_FLAG_MAXIMUM_ALLOWED,
1275 user_rid,
1276 &user_pol);
1277 if (!NT_STATUS_IS_OK(status)) {
1278 goto done;
1279 }
1280
1281 /* Get user info */
1282
1283 status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1284 &user_pol,
1285 16,
1286 &info);
1287 if (!NT_STATUS_IS_OK(status)) {
1288 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1289 goto done;
1290 }
1291
1292 /* now disable and setuser info */
1293
1294 info->info16.acct_flags |= ACB_DISABLED;
1295
1296 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1297 &user_pol,
1298 16,
1299 info);
1300
1301 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1302
1303 done:
1304 if (pipe_hnd) {
1305 if (is_valid_policy_hnd(&domain_pol)) {
1306 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1307 }
1308 if (is_valid_policy_hnd(&sam_pol)) {
1309 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1310 }
1311 TALLOC_FREE(pipe_hnd);
1312 }
1313
1314 if (cli) {
1315 cli_shutdown(cli);
1316 }
1317
1318 return status;
1319 }
1320
1321 /****************************************************************
1322 ****************************************************************/
1323
1324 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1325 {
1326 WERROR werr;
1327 struct smbconf_ctx *ctx;
1328
1329 werr = smbconf_init_reg(r, &ctx, NULL);
1330 if (!W_ERROR_IS_OK(werr)) {
1331 goto done;
1332 }
1333
1334 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1335
1336 werr = smbconf_set_global_parameter(ctx, "security", "user");
1337 W_ERROR_NOT_OK_GOTO_DONE(werr);
1338
1339 werr = smbconf_set_global_parameter(ctx, "workgroup",
1340 r->in.domain_name);
1341
1342 smbconf_delete_global_parameter(ctx, "realm");
1343 goto done;
1344 }
1345
1346 werr = smbconf_set_global_parameter(ctx, "security", "domain");
1347 W_ERROR_NOT_OK_GOTO_DONE(werr);
1348
1349 werr = smbconf_set_global_parameter(ctx, "workgroup",
1350 r->out.netbios_domain_name);
1351 W_ERROR_NOT_OK_GOTO_DONE(werr);
1352
1353 if (r->out.domain_is_ad) {
1354 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1355 W_ERROR_NOT_OK_GOTO_DONE(werr);
1356
1357 werr = smbconf_set_global_parameter(ctx, "realm",
1358 r->out.dns_domain_name);
1359 W_ERROR_NOT_OK_GOTO_DONE(werr);
1360 }
1361
1362 done:
1363 smbconf_shutdown(ctx);
1364 return werr;
1365 }
1366
1367 /****************************************************************
1368 ****************************************************************/
1369
1370 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1371 {
1372 WERROR werr = WERR_OK;
1373 struct smbconf_ctx *ctx;
1374
1375 werr = smbconf_init_reg(r, &ctx, NULL);
1376 if (!W_ERROR_IS_OK(werr)) {
1377 goto done;
1378 }
1379
1380 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1381
1382 werr = smbconf_set_global_parameter(ctx, "security", "user");
1383 W_ERROR_NOT_OK_GOTO_DONE(werr);
1384
1385 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1386 W_ERROR_NOT_OK_GOTO_DONE(werr);
1387
1388 smbconf_delete_global_parameter(ctx, "realm");
1389 }
1390
1391 done:
1392 smbconf_shutdown(ctx);
1393 return werr;
1394 }
1395
1396 /****************************************************************
1397 ****************************************************************/
1398
1399 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1400 {
1401 WERROR werr;
1402
1403 if (!W_ERROR_IS_OK(r->out.result)) {
1404 return r->out.result;
1405 }
1406
1407 if (!r->in.modify_config) {
1408 return WERR_OK;
1409 }
1410
1411 werr = do_join_modify_vals_config(r);
1412 if (!W_ERROR_IS_OK(werr)) {
1413 return werr;
1414 }
1415
1416 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1417
1418 r->out.modified_config = true;
1419 r->out.result = werr;
1420
1421 return werr;
1422 }
1423
1424 /****************************************************************
1425 ****************************************************************/
1426
1427 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1428 {
1429 WERROR werr;
1430
1431 if (!W_ERROR_IS_OK(r->out.result)) {
1432 return r->out.result;
1433 }
1434
1435 if (!r->in.modify_config) {
1436 return WERR_OK;
1437 }
1438
1439 werr = do_unjoin_modify_vals_config(r);
1440 if (!W_ERROR_IS_OK(werr)) {
1441 return werr;
1442 }
1443
1444 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1445
1446 r->out.modified_config = true;
1447 r->out.result = werr;
1448
1449 return werr;
1450 }
1451
1452 /****************************************************************
1453 ****************************************************************/
1454
1455 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1456 const char *domain_str,
1457 const char **domain_p,
1458 const char **dc_p)
1459 {
1460 char *domain = NULL;
1461 char *dc = NULL;
1462 const char *p = NULL;
1463
1464 if (!domain_str || !domain_p || !dc_p) {
1465 return false;
1466 }
1467
1468 p = strchr_m(domain_str, '\\');
1469
1470 if (p != NULL) {
1471 domain = talloc_strndup(mem_ctx, domain_str,
1472 PTR_DIFF(p, domain_str));
1473 dc = talloc_strdup(mem_ctx, p+1);
1474 if (!dc) {
1475 return false;
1476 }
1477 } else {
1478 domain = talloc_strdup(mem_ctx, domain_str);
1479 dc = NULL;
1480 }
1481 if (!domain) {
1482 return false;
1483 }
1484
1485 *domain_p = domain;
1486
1487 if (!*dc_p && dc) {
1488 *dc_p = dc;
1489 }
1490
1491 return true;
1492 }
1493
1494 /****************************************************************
1495 ****************************************************************/
1496
1497 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1498 struct libnet_JoinCtx *r)
1499 {
1500 if (!r->in.domain_name) {
1501 libnet_join_set_error_string(mem_ctx, r,
1502 "No domain name defined");
1503 return WERR_INVALID_PARAM;
1504 }
1505
1506 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1507 &r->in.domain_name,
1508 &r->in.dc_name)) {
1509 libnet_join_set_error_string(mem_ctx, r,
1510 "Failed to parse domain name");
1511 return WERR_INVALID_PARAM;
1512 }
1513
1514 if (IS_DC) {
1515 return WERR_SETUP_DOMAIN_CONTROLLER;
1516 }
1517
1518 if (!secrets_init()) {
1519 libnet_join_set_error_string(mem_ctx, r,
1520 "Unable to open secrets database");
1521 return WERR_CAN_NOT_COMPLETE;
1522 }
1523
1524 return WERR_OK;
1525 }
1526
1527 /****************************************************************
1528 ****************************************************************/
1529
1530 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1531 {
1532 NTSTATUS status;
1533
1534 /* Try adding dom admins to builtin\admins. Only log failures. */
1535 status = create_builtin_administrators(domain_sid);
1536 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1537 DEBUG(10,("Unable to auto-add domain administrators to "
1538 "BUILTIN\\Administrators during join because "
1539 "winbindd must be running."));
1540 } else if (!NT_STATUS_IS_OK(status)) {
1541 DEBUG(5, ("Failed to auto-add domain administrators to "
1542 "BUILTIN\\Administrators during join: %s\n",
1543 nt_errstr(status)));
1544 }
1545
1546 /* Try adding dom users to builtin\users. Only log failures. */
1547 status = create_builtin_users(domain_sid);
1548 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1549 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1550 "during join because winbindd must be running."));
1551 } else if (!NT_STATUS_IS_OK(status)) {
1552 DEBUG(5, ("Failed to auto-add domain administrators to "
1553 "BUILTIN\\Administrators during join: %s\n",
1554 nt_errstr(status)));
1555 }
1556 }
1557
1558 /****************************************************************
1559 ****************************************************************/
1560
1561 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1562 struct libnet_JoinCtx *r)
1563 {
1564 WERROR werr;
1565
1566 if (!W_ERROR_IS_OK(r->out.result)) {
1567 return r->out.result;
1568 }
1569
1570 werr = do_JoinConfig(r);
1571 if (!W_ERROR_IS_OK(werr)) {
1572 return werr;
1573 }
1574
1575 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1576 return WERR_OK;
1577 }
1578
1579 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1580 if (r->out.dns_domain_name) {
1581 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1582 }
1583
1584 #ifdef WITH_ADS
1585 if (r->out.domain_is_ad &&
1586 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1587 ADS_STATUS ads_status;
1588
1589 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1590 if (!ADS_ERR_OK(ads_status)) {
1591 return WERR_GENERAL_FAILURE;
1592 }
1593 }
1594 #endif /* WITH_ADS */
1595
1596 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1597
1598 return WERR_OK;
1599 }
1600
1601 /****************************************************************
1602 ****************************************************************/
1603
1604 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1605 {
1606 const char *krb5_cc_env = NULL;
1607
1608 if (r->in.ads) {
1609 ads_destroy(&r->in.ads);
1610 }
1611
1612 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1613 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1614 unsetenv(KRB5_ENV_CCNAME);
1615 }
1616
1617 return 0;
1618 }
1619
1620 /****************************************************************
1621 ****************************************************************/
1622
1623 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1624 {
1625 const char *krb5_cc_env = NULL;
1626
1627 if (r->in.ads) {
1628 ads_destroy(&r->in.ads);
1629 }
1630
1631 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1632 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1633 unsetenv(KRB5_ENV_CCNAME);
1634 }
1635
1636 return 0;
1637 }
1638
1639 /****************************************************************
1640 ****************************************************************/
1641
1642 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1643 struct libnet_JoinCtx **r)
1644 {
1645 struct libnet_JoinCtx *ctx;
1646 const char *krb5_cc_env = NULL;
1647
1648 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1649 if (!ctx) {
1650 return WERR_NOMEM;
1651 }
1652
1653 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1654
1655 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1656 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1657
1658 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1659 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1660 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1661 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1662 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1663 }
1664
1665 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1666
1667 *r = ctx;
1668
1669 return WERR_OK;
1670 }
1671
1672 /****************************************************************
1673 ****************************************************************/
1674
1675 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1676 struct libnet_UnjoinCtx **r)
1677 {
1678 struct libnet_UnjoinCtx *ctx;
1679 const char *krb5_cc_env = NULL;
1680
1681 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1682 if (!ctx) {
1683 return WERR_NOMEM;
1684 }
1685
1686 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1687
1688 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1689 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1690
1691 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1692 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1693 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1694 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1695 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1696 }
1697
1698 *r = ctx;
1699
1700 return WERR_OK;
1701 }
1702
1703 /****************************************************************
1704 ****************************************************************/
1705
1706 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1707 struct libnet_JoinCtx *r)
1708 {
1709 bool valid_security = false;
1710 bool valid_workgroup = false;
1711 bool valid_realm = false;
1712
1713 /* check if configuration is already set correctly */
1714
1715 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1716
1717 switch (r->out.domain_is_ad) {
1718 case false:
1719 valid_security = (lp_security() == SEC_DOMAIN);
1720 if (valid_workgroup && valid_security) {
1721 /* nothing to be done */
1722 return WERR_OK;
1723 }
1724 break;
1725 case true:
1726 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1727 switch (lp_security()) {
1728 case SEC_DOMAIN:
1729 case SEC_ADS:
1730 valid_security = true;
1731 }
1732
1733 if (valid_workgroup && valid_realm && valid_security) {
1734 /* nothing to be done */
1735 return WERR_OK;
1736 }
1737 break;
1738 }
1739
1740 /* check if we are supposed to manipulate configuration */
1741
1742 if (!r->in.modify_config) {
1743
1744 char *wrong_conf = talloc_strdup(mem_ctx, "");
1745
1746 if (!valid_workgroup) {
1747 wrong_conf = talloc_asprintf_append(wrong_conf,
1748 "\"workgroup\" set to '%s', should be '%s'",
1749 lp_workgroup(), r->out.netbios_domain_name);
1750 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1751 }
1752
1753 if (!valid_realm) {
1754 wrong_conf = talloc_asprintf_append(wrong_conf,
1755 "\"realm\" set to '%s', should be '%s'",
1756 lp_realm(), r->out.dns_domain_name);
1757 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1758 }
1759
1760 if (!valid_security) {
1761 const char *sec = NULL;
1762 switch (lp_security()) {
1763 case SEC_SHARE: sec = "share"; break;
1764 case SEC_USER: sec = "user"; break;
1765 case SEC_DOMAIN: sec = "domain"; break;
1766 case SEC_ADS: sec = "ads"; break;
1767 }
1768 wrong_conf = talloc_asprintf_append(wrong_conf,
1769 "\"security\" set to '%s', should be %s",
1770 sec, r->out.domain_is_ad ?
1771 "either 'domain' or 'ads'" : "'domain'");
1772 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1773 }
1774
1775 libnet_join_set_error_string(mem_ctx, r,
1776 "Invalid configuration (%s) and configuration modification "
1777 "was not requested", wrong_conf);
1778 return WERR_CAN_NOT_COMPLETE;
1779 }
1780
1781 /* check if we are able to manipulate configuration */
1782
1783 if (!lp_config_backend_is_registry()) {
1784 libnet_join_set_error_string(mem_ctx, r,
1785 "Configuration manipulation requested but not "
1786 "supported by backend");
1787 return WERR_NOT_SUPPORTED;
1788 }
1789
1790 return WERR_OK;
1791 }
1792
1793 /****************************************************************
1794 ****************************************************************/
1795
1796 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1797 struct libnet_JoinCtx *r)
1798 {
1799 NTSTATUS status;
1800 WERROR werr;
1801 struct cli_state *cli = NULL;
1802 #ifdef WITH_ADS
1803 ADS_STATUS ads_status;
1804 #endif /* WITH_ADS */
1805
1806 if (!r->in.dc_name) {
1807 struct netr_DsRGetDCNameInfo *info;
1808 const char *dc;
1809 status = dsgetdcname(mem_ctx,
1810 r->in.msg_ctx,
1811 r->in.domain_name,
1812 NULL,
1813 NULL,
1814 DS_FORCE_REDISCOVERY |
1815 DS_DIRECTORY_SERVICE_REQUIRED |
1816 DS_WRITABLE_REQUIRED |
1817 DS_RETURN_DNS_NAME,
1818 &info);
1819 if (!NT_STATUS_IS_OK(status)) {
1820 libnet_join_set_error_string(mem_ctx, r,
1821 "failed to find DC for domain %s",
1822 r->in.domain_name,
1823 get_friendly_nt_error_msg(status));
1824 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1825 }
1826
1827 dc = strip_hostname(info->dc_unc);
1828 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1829 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1830 }
1831
1832 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1833 if (!NT_STATUS_IS_OK(status)) {
1834 libnet_join_set_error_string(mem_ctx, r,
1835 "failed to lookup DC info for domain '%s' over rpc: %s",
1836 r->in.domain_name, get_friendly_nt_error_msg(status));
1837 return ntstatus_to_werror(status);
1838 }
1839
1840 werr = libnet_join_check_config(mem_ctx, r);
1841 if (!W_ERROR_IS_OK(werr)) {
1842 goto done;
1843 }
1844
1845 #ifdef WITH_ADS
1846 if (r->out.domain_is_ad && r->in.account_ou &&
1847 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1848
1849 ads_status = libnet_join_connect_ads(mem_ctx, r);
1850 if (!ADS_ERR_OK(ads_status)) {
1851 return WERR_DEFAULT_JOIN_REQUIRED;
1852 }
1853
1854 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1855 if (!ADS_ERR_OK(ads_status)) {
1856 libnet_join_set_error_string(mem_ctx, r,
1857 "failed to precreate account in ou %s: %s",
1858 r->in.account_ou,
1859 ads_errstr(ads_status));
1860 return WERR_DEFAULT_JOIN_REQUIRED;
1861 }
1862
1863 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1864 }
1865 #endif /* WITH_ADS */
1866
1867 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
1868 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
1869 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
1870 } else {
1871 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1872 }
1873 if (!NT_STATUS_IS_OK(status)) {
1874 libnet_join_set_error_string(mem_ctx, r,
1875 "failed to join domain '%s' over rpc: %s",
1876 r->in.domain_name, get_friendly_nt_error_msg(status));
1877 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1878 return WERR_SETUP_ALREADY_JOINED;
1879 }
1880 werr = ntstatus_to_werror(status);
1881 goto done;
1882 }
1883
1884 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1885 werr = WERR_SETUP_NOT_JOINED;
1886 goto done;
1887 }
1888
1889 werr = WERR_OK;
1890
1891 done:
1892 if (cli) {
1893 cli_shutdown(cli);
1894 }
1895
1896 return werr;
1897 }
1898
1899 /****************************************************************
1900 ****************************************************************/
1901
1902 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1903 struct libnet_JoinCtx *r)
1904 {
1905 WERROR werr;
1906 struct libnet_UnjoinCtx *u = NULL;
1907
1908 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1909 if (!W_ERROR_IS_OK(werr)) {
1910 return werr;
1911 }
1912
1913 u->in.debug = r->in.debug;
1914 u->in.dc_name = r->in.dc_name;
1915 u->in.domain_name = r->in.domain_name;
1916 u->in.admin_account = r->in.admin_account;
1917 u->in.admin_password = r->in.admin_password;
1918 u->in.modify_config = r->in.modify_config;
1919 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1920 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1921
1922 werr = libnet_Unjoin(mem_ctx, u);
1923 TALLOC_FREE(u);
1924
1925 return werr;
1926 }
1927
1928 /****************************************************************
1929 ****************************************************************/
1930
1931 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1932 struct libnet_JoinCtx *r)
1933 {
1934 WERROR werr;
1935
1936 if (r->in.debug) {
1937 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1938 }
1939
1940 werr = libnet_join_pre_processing(mem_ctx, r);
1941 if (!W_ERROR_IS_OK(werr)) {
1942 goto done;
1943 }
1944
1945 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1946 werr = libnet_DomainJoin(mem_ctx, r);
1947 if (!W_ERROR_IS_OK(werr)) {
1948 goto done;
1949 }
1950 }
1951
1952 werr = libnet_join_post_processing(mem_ctx, r);
1953 if (!W_ERROR_IS_OK(werr)) {
1954 goto done;
1955 }
1956
1957 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1958 werr = libnet_join_post_verify(mem_ctx, r);
1959 if (!W_ERROR_IS_OK(werr)) {
1960 libnet_join_rollback(mem_ctx, r);
1961 }
1962 }
1963
1964 done:
1965 r->out.result = werr;
1966
1967 if (r->in.debug) {
1968 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1969 }
1970 return werr;
1971 }
1972
1973 /****************************************************************
1974 ****************************************************************/
1975
1976 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1977 struct libnet_UnjoinCtx *r)
1978 {
1979 NTSTATUS status;
1980
1981 if (!r->in.domain_sid) {
1982 struct dom_sid sid;
1983 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1984 libnet_unjoin_set_error_string(mem_ctx, r,
1985 "Unable to fetch domain sid: are we joined?");
1986 return WERR_SETUP_NOT_JOINED;
1987 }
1988 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1989 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1990 }
1991
1992 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
1993 !r->in.delete_machine_account) {
1994 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1995 return WERR_OK;
1996 }
1997
1998 if (!r->in.dc_name) {
1999 struct netr_DsRGetDCNameInfo *info;
2000 const char *dc;
2001 status = dsgetdcname(mem_ctx,
2002 r->in.msg_ctx,
2003 r->in.domain_name,
2004 NULL,
2005 NULL,
2006 DS_DIRECTORY_SERVICE_REQUIRED |
2007 DS_WRITABLE_REQUIRED |
2008 DS_RETURN_DNS_NAME,
2009 &info);
2010 if (!NT_STATUS_IS_OK(status)) {
2011 libnet_unjoin_set_error_string(mem_ctx, r,
2012 "failed to find DC for domain %s",
2013 r->in.domain_name,
2014 get_friendly_nt_error_msg(status));
2015 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
2016 }
2017
2018 dc = strip_hostname(info->dc_unc);
2019 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2020 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2021 }
2022
2023 #ifdef WITH_ADS
2024 /* for net ads leave, try to delete the account. If it works,
2025 no sense in disabling. If it fails, we can still try to
2026 disable it. jmcd */
2027
2028 if (r->in.delete_machine_account) {
2029 ADS_STATUS ads_status;
2030 libnet_unjoin_connect_ads(mem_ctx, r);
2031 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
2032 if (!ADS_ERR_OK(ads_status)) {
2033 libnet_unjoin_set_error_string(mem_ctx, r,
2034 "failed to remove machine account from AD: %s",
2035 ads_errstr(ads_status));
2036 } else {
2037 r->out.deleted_machine_account = true;
2038 /* dirty hack */
2039 r->out.dns_domain_name = talloc_strdup(mem_ctx,
2040 r->in.ads->server.realm);
2041 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2042 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2043 return WERR_OK;
2044 }
2045 }
2046 #endif /* WITH_ADS */
2047
2048 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2049 "disable". */
2050 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2051 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2052 if (!NT_STATUS_IS_OK(status)) {
2053 libnet_unjoin_set_error_string(mem_ctx, r,
2054 "failed to disable machine account via rpc: %s",
2055 get_friendly_nt_error_msg(status));
2056 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2057 return WERR_SETUP_NOT_JOINED;
2058 }
2059 return ntstatus_to_werror(status);
2060 }
2061
2062 r->out.disabled_machine_account = true;
2063 r->out.dns_domain_name = talloc_strdup(mem_ctx,
2064 r->in.ads->server.realm);
2065 }
2066
2067 /* If disable succeeded or was not requested at all, we
2068 should be getting rid of our end of things */
2069
2070 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2071
2072 return WERR_OK;
2073 }
2074
2075 /****************************************************************
2076 ****************************************************************/
2077
2078 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2079 struct libnet_UnjoinCtx *r)
2080 {
2081 if (!r->in.domain_name) {
2082 libnet_unjoin_set_error_string(mem_ctx, r,
2083 "No domain name defined");
2084 return WERR_INVALID_PARAM;
2085 }
2086
2087 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2088 &r->in.domain_name,
2089 &r->in.dc_name)) {
2090 libnet_unjoin_set_error_string(mem_ctx, r,
2091 "Failed to parse domain name");
2092 return WERR_INVALID_PARAM;
2093 }
2094
2095 if (IS_DC) {
2096 return WERR_SETUP_DOMAIN_CONTROLLER;
2097 }
2098
2099 if (!secrets_init()) {
2100 libnet_unjoin_set_error_string(mem_ctx, r,
2101 "Unable to open secrets database");
2102 return WERR_CAN_NOT_COMPLETE;
2103 }
2104
2105 return WERR_OK;
2106 }
2107
2108 /****************************************************************
2109 ****************************************************************/
2110
2111 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2112 struct libnet_UnjoinCtx *r)
2113 {
2114 saf_delete(r->out.netbios_domain_name);
2115 saf_delete(r->out.dns_domain_name);
2116
2117 return libnet_unjoin_config(r);
2118 }
2119
2120 /****************************************************************
2121 ****************************************************************/
2122
2123 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2124 struct libnet_UnjoinCtx *r)
2125 {
2126 WERROR werr;
2127
2128 if (r->in.debug) {
2129 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2130 }
2131
2132 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2133 if (!W_ERROR_IS_OK(werr)) {
2134 goto done;
2135 }
2136
2137 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2138 werr = libnet_DomainUnjoin(mem_ctx, r);
2139 if (!W_ERROR_IS_OK(werr)) {
2140 libnet_unjoin_config(r);
2141 goto done;
2142 }
2143 }
2144
2145 werr = libnet_unjoin_post_processing(mem_ctx, r);
2146 if (!W_ERROR_IS_OK(werr)) {
2147 goto done;
2148 }
2149
2150 done:
2151 r->out.result = werr;
2152
2153 if (r->in.debug) {
2154 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2155 }
2156
2157 return werr;
2158 }