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Fixed a compiler warning.
[Samba/nivanova.git] / source3 / libnet / libnet_join.c
blob6967ae9c8d3c3c6102126a87312ce95d815a8249
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 status = libnet_unjoin_connect_ads(mem_ctx, r);
268 if (!ADS_ERR_OK(status)) {
269 libnet_unjoin_set_error_string(mem_ctx, r,
270 "failed to connect to AD: %s",
271 ads_errstr(status));
272 return status;
273 }
274 }
275
276 status = ads_leave_realm(r->in.ads, r->in.machine_name);
277 if (!ADS_ERR_OK(status)) {
278 libnet_unjoin_set_error_string(mem_ctx, r,
279 "failed to leave realm: %s",
280 ads_errstr(status));
281 return status;
282 }
283
284 return ADS_SUCCESS;
285 }
286
287 /****************************************************************
288 ****************************************************************/
289
290 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
291 struct libnet_JoinCtx *r)
292 {
293 ADS_STATUS status;
294 LDAPMessage *res = NULL;
295 char *dn = NULL;
296
297 if (!r->in.machine_name) {
298 return ADS_ERROR(LDAP_NO_MEMORY);
299 }
300
301 status = ads_find_machine_acct(r->in.ads,
302 &res,
303 r->in.machine_name);
304 if (!ADS_ERR_OK(status)) {
305 return status;
306 }
307
308 if (ads_count_replies(r->in.ads, res) != 1) {
309 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
310 goto done;
311 }
312
313 dn = ads_get_dn(r->in.ads, mem_ctx, res);
314 if (!dn) {
315 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
316 goto done;
317 }
318
319 r->out.dn = talloc_strdup(mem_ctx, dn);
320 if (!r->out.dn) {
321 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
322 goto done;
323 }
324
325 done:
326 ads_msgfree(r->in.ads, res);
327 TALLOC_FREE(dn);
328
329 return status;
330 }
331
332 /****************************************************************
333 Set a machines dNSHostName and servicePrincipalName attributes
334 ****************************************************************/
335
336 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
337 struct libnet_JoinCtx *r)
338 {
339 ADS_STATUS status;
340 ADS_MODLIST mods;
341 fstring my_fqdn;
342 const char *spn_array[3] = {NULL, NULL, NULL};
343 char *spn = NULL;
344
345 /* Find our DN */
346
347 status = libnet_join_find_machine_acct(mem_ctx, r);
348 if (!ADS_ERR_OK(status)) {
349 return status;
350 }
351
352 /* Windows only creates HOST/shortname & HOST/fqdn. */
353
354 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
355 if (!spn) {
356 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
357 }
358 strupper_m(spn);
359 spn_array[0] = spn;
360
361 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
362 || (strchr(my_fqdn, '.') == NULL)) {
363 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
364 r->out.dns_domain_name);
365 }
366
367 strlower_m(my_fqdn);
368
369 if (!strequal(my_fqdn, r->in.machine_name)) {
370 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
371 if (!spn) {
372 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
373 }
374 spn_array[1] = spn;
375 }
376
377 mods = ads_init_mods(mem_ctx);
378 if (!mods) {
379 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
380 }
381
382 /* fields of primary importance */
383
384 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
385 if (!ADS_ERR_OK(status)) {
386 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
387 }
388
389 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
390 spn_array);
391 if (!ADS_ERR_OK(status)) {
392 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
393 }
394
395 return ads_gen_mod(r->in.ads, r->out.dn, mods);
396 }
397
398 /****************************************************************
399 ****************************************************************/
400
401 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
402 struct libnet_JoinCtx *r)
403 {
404 ADS_STATUS status;
405 ADS_MODLIST mods;
406
407 if (!r->in.create_upn) {
408 return ADS_SUCCESS;
409 }
410
411 /* Find our DN */
412
413 status = libnet_join_find_machine_acct(mem_ctx, r);
414 if (!ADS_ERR_OK(status)) {
415 return status;
416 }
417
418 if (!r->in.upn) {
419 r->in.upn = talloc_asprintf(mem_ctx,
420 "host/%s@%s",
421 r->in.machine_name,
422 r->out.dns_domain_name);
423 if (!r->in.upn) {
424 return ADS_ERROR(LDAP_NO_MEMORY);
425 }
426 }
427
428 /* now do the mods */
429
430 mods = ads_init_mods(mem_ctx);
431 if (!mods) {
432 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
433 }
434
435 /* fields of primary importance */
436
437 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
438 if (!ADS_ERR_OK(status)) {
439 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
440 }
441
442 return ads_gen_mod(r->in.ads, r->out.dn, mods);
443 }
444
445
446 /****************************************************************
447 ****************************************************************/
448
449 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
450 struct libnet_JoinCtx *r)
451 {
452 ADS_STATUS status;
453 ADS_MODLIST mods;
454 char *os_sp = NULL;
455
456 if (!r->in.os_name || !r->in.os_version ) {
457 return ADS_SUCCESS;
458 }
459
460 /* Find our DN */
461
462 status = libnet_join_find_machine_acct(mem_ctx, r);
463 if (!ADS_ERR_OK(status)) {
464 return status;
465 }
466
467 /* now do the mods */
468
469 mods = ads_init_mods(mem_ctx);
470 if (!mods) {
471 return ADS_ERROR(LDAP_NO_MEMORY);
472 }
473
474 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
475 if (!os_sp) {
476 return ADS_ERROR(LDAP_NO_MEMORY);
477 }
478
479 /* fields of primary importance */
480
481 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
482 r->in.os_name);
483 if (!ADS_ERR_OK(status)) {
484 return status;
485 }
486
487 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
488 r->in.os_version);
489 if (!ADS_ERR_OK(status)) {
490 return status;
491 }
492
493 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
494 os_sp);
495 if (!ADS_ERR_OK(status)) {
496 return status;
497 }
498
499 return ads_gen_mod(r->in.ads, r->out.dn, mods);
500 }
501
502 /****************************************************************
503 ****************************************************************/
504
505 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
506 struct libnet_JoinCtx *r)
507 {
508 if (!USE_SYSTEM_KEYTAB) {
509 return true;
510 }
511
512 if (ads_keytab_create_default(r->in.ads) != 0) {
513 return false;
514 }
515
516 return true;
517 }
518
519 /****************************************************************
520 ****************************************************************/
521
522 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
523 struct libnet_JoinCtx *r)
524 {
525 uint32_t domain_func;
526 ADS_STATUS status;
527 const char *salt = NULL;
528 char *std_salt = NULL;
529
530 status = ads_domain_func_level(r->in.ads, &domain_func);
531 if (!ADS_ERR_OK(status)) {
532 libnet_join_set_error_string(mem_ctx, r,
533 "failed to determine domain functional level: %s",
534 ads_errstr(status));
535 return false;
536 }
537
538 /* go ahead and setup the default salt */
539
540 std_salt = kerberos_standard_des_salt();
541 if (!std_salt) {
542 libnet_join_set_error_string(mem_ctx, r,
543 "failed to obtain standard DES salt");
544 return false;
545 }
546
547 salt = talloc_strdup(mem_ctx, std_salt);
548 if (!salt) {
549 return false;
550 }
551
552 SAFE_FREE(std_salt);
553
554 /* if it's a Windows functional domain, we have to look for the UPN */
555
556 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
557 char *upn;
558
559 upn = ads_get_upn(r->in.ads, mem_ctx,
560 r->in.machine_name);
561 if (upn) {
562 salt = talloc_strdup(mem_ctx, upn);
563 if (!salt) {
564 return false;
565 }
566 }
567 }
568
569 return kerberos_secrets_store_des_salt(salt);
570 }
571
572 /****************************************************************
573 ****************************************************************/
574
575 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
576 struct libnet_JoinCtx *r)
577 {
578 ADS_STATUS status;
579
580 if (!r->in.ads) {
581 status = libnet_join_connect_ads(mem_ctx, r);
582 if (!ADS_ERR_OK(status)) {
583 return status;
584 }
585 }
586
587 status = libnet_join_set_machine_spn(mem_ctx, r);
588 if (!ADS_ERR_OK(status)) {
589 libnet_join_set_error_string(mem_ctx, r,
590 "failed to set machine spn: %s",
591 ads_errstr(status));
592 return status;
593 }
594
595 status = libnet_join_set_os_attributes(mem_ctx, r);
596 if (!ADS_ERR_OK(status)) {
597 libnet_join_set_error_string(mem_ctx, r,
598 "failed to set machine os attributes: %s",
599 ads_errstr(status));
600 return status;
601 }
602
603 status = libnet_join_set_machine_upn(mem_ctx, r);
604 if (!ADS_ERR_OK(status)) {
605 libnet_join_set_error_string(mem_ctx, r,
606 "failed to set machine upn: %s",
607 ads_errstr(status));
608 return status;
609 }
610
611 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
612 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
613 }
614
615 if (!libnet_join_create_keytab(mem_ctx, r)) {
616 libnet_join_set_error_string(mem_ctx, r,
617 "failed to create kerberos keytab");
618 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
619 }
620
621 return ADS_SUCCESS;
622 }
623 #endif /* WITH_ADS */
624
625 /****************************************************************
626 Store the machine password and domain SID
627 ****************************************************************/
628
629 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
630 struct libnet_JoinCtx *r)
631 {
632 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
633 r->out.domain_sid))
634 {
635 DEBUG(1,("Failed to save domain sid\n"));
636 return false;
637 }
638
639 if (!secrets_store_machine_password(r->in.machine_password,
640 r->out.netbios_domain_name,
641 r->in.secure_channel_type))
642 {
643 DEBUG(1,("Failed to save machine password\n"));
644 return false;
645 }
646
647 return true;
648 }
649
650 /****************************************************************
651 Connect dc's IPC$ share
652 ****************************************************************/
653
654 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
655 const char *user,
656 const char *pass,
657 bool use_kerberos,
658 struct cli_state **cli)
659 {
660 int flags = 0;
661
662 if (use_kerberos) {
663 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
664 }
665
666 if (use_kerberos && pass) {
667 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
668 }
669
670 return cli_full_connection(cli, NULL,
671 dc,
672 NULL, 0,
673 "IPC$", "IPC",
674 user,
675 NULL,
676 pass,
677 flags,
678 Undefined, NULL);
679 }
680
681 /****************************************************************
682 Lookup domain dc's info
683 ****************************************************************/
684
685 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
686 struct libnet_JoinCtx *r,
687 struct cli_state **cli)
688 {
689 struct rpc_pipe_client *pipe_hnd = NULL;
690 struct policy_handle lsa_pol;
691 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
692 union lsa_PolicyInformation *info = NULL;
693
694 status = libnet_join_connect_dc_ipc(r->in.dc_name,
695 r->in.admin_account,
696 r->in.admin_password,
697 r->in.use_kerberos,
698 cli);
699 if (!NT_STATUS_IS_OK(status)) {
700 goto done;
701 }
702
703 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
704 &pipe_hnd);
705 if (!NT_STATUS_IS_OK(status)) {
706 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
707 nt_errstr(status)));
708 goto done;
709 }
710
711 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
712 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
713 if (!NT_STATUS_IS_OK(status)) {
714 goto done;
715 }
716
717 status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
718 &lsa_pol,
719 LSA_POLICY_INFO_DNS,
720 &info);
721 if (NT_STATUS_IS_OK(status)) {
722 r->out.domain_is_ad = true;
723 r->out.netbios_domain_name = info->dns.name.string;
724 r->out.dns_domain_name = info->dns.dns_domain.string;
725 r->out.forest_name = info->dns.dns_forest.string;
726 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
727 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
728 }
729
730 if (!NT_STATUS_IS_OK(status)) {
731 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
732 &lsa_pol,
733 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
734 &info);
735 if (!NT_STATUS_IS_OK(status)) {
736 goto done;
737 }
738
739 r->out.netbios_domain_name = info->account_domain.name.string;
740 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
741 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
742 }
743
744 rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
745 TALLOC_FREE(pipe_hnd);
746
747 done:
748 return status;
749 }
750
751 /****************************************************************
752 Do the domain join unsecure
753 ****************************************************************/
754
755 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
756 struct libnet_JoinCtx *r,
757 struct cli_state *cli)
758 {
759 struct rpc_pipe_client *pipe_hnd = NULL;
760 unsigned char orig_trust_passwd_hash[16];
761 unsigned char new_trust_passwd_hash[16];
762 fstring trust_passwd;
763 NTSTATUS status;
764
765 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
766 &pipe_hnd);
767 if (!NT_STATUS_IS_OK(status)) {
768 return status;
769 }
770
771 if (!r->in.machine_password) {
772 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
773 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
774 }
775
776 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
777
778 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
779 fstrcpy(trust_passwd, r->in.admin_password);
780 strlower_m(trust_passwd);
781
782 /*
783 * Machine names can be 15 characters, but the max length on
784 * a password is 14. --jerry
785 */
786
787 trust_passwd[14] = '\0';
788
789 E_md4hash(trust_passwd, orig_trust_passwd_hash);
790
791 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
792 orig_trust_passwd_hash,
793 r->in.machine_password,
794 new_trust_passwd_hash,
795 r->in.secure_channel_type);
796
797 return status;
798 }
799
800 /****************************************************************
801 Do the domain join
802 ****************************************************************/
803
804 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
805 struct libnet_JoinCtx *r,
806 struct cli_state *cli)
807 {
808 struct rpc_pipe_client *pipe_hnd = NULL;
809 struct policy_handle sam_pol, domain_pol, user_pol;
810 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
811 char *acct_name;
812 struct lsa_String lsa_acct_name;
813 uint32_t user_rid;
814 uint32_t acct_flags = ACB_WSTRUST;
815 struct samr_Ids user_rids;
816 struct samr_Ids name_types;
817 union samr_UserInfo user_info;
818
819 struct samr_CryptPassword crypt_pwd;
820 struct samr_CryptPasswordEx crypt_pwd_ex;
821
822 ZERO_STRUCT(sam_pol);
823 ZERO_STRUCT(domain_pol);
824 ZERO_STRUCT(user_pol);
825
826 switch (r->in.secure_channel_type) {
827 case SEC_CHAN_WKSTA:
828 acct_flags = ACB_WSTRUST;
829 break;
830 case SEC_CHAN_BDC:
831 acct_flags = ACB_SVRTRUST;
832 break;
833 default:
834 return NT_STATUS_INVALID_PARAMETER;
835 }
836
837 if (!r->in.machine_password) {
838 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
839 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
840 }
841
842 /* Open the domain */
843
844 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
845 &pipe_hnd);
846 if (!NT_STATUS_IS_OK(status)) {
847 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
848 nt_errstr(status)));
849 goto done;
850 }
851
852 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
853 pipe_hnd->desthost,
854 SAMR_ACCESS_ENUM_DOMAINS
855 | SAMR_ACCESS_LOOKUP_DOMAIN,
856 &sam_pol);
857 if (!NT_STATUS_IS_OK(status)) {
858 goto done;
859 }
860
861 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
862 &sam_pol,
863 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
864 | SAMR_DOMAIN_ACCESS_CREATE_USER
865 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
866 r->out.domain_sid,
867 &domain_pol);
868 if (!NT_STATUS_IS_OK(status)) {
869 goto done;
870 }
871
872 /* Create domain user */
873
874 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
875 strlower_m(acct_name);
876
877 init_lsa_String(&lsa_acct_name, acct_name);
878
879 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
880 uint32_t access_desired =
881 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
882 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
883 SAMR_USER_ACCESS_SET_PASSWORD |
884 SAMR_USER_ACCESS_GET_ATTRIBUTES |
885 SAMR_USER_ACCESS_SET_ATTRIBUTES;
886 uint32_t access_granted = 0;
887
888 DEBUG(10,("Creating account with desired access mask: %d\n",
889 access_desired));
890
891 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
892 &domain_pol,
893 &lsa_acct_name,
894 acct_flags,
895 access_desired,
896 &user_pol,
897 &access_granted,
898 &user_rid);
899 if (!NT_STATUS_IS_OK(status) &&
900 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
901
902 DEBUG(10,("Creation of workstation account failed: %s\n",
903 nt_errstr(status)));
904
905 /* If NT_STATUS_ACCESS_DENIED then we have a valid
906 username/password combo but the user does not have
907 administrator access. */
908
909 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
910 libnet_join_set_error_string(mem_ctx, r,
911 "User specified does not have "
912 "administrator privileges");
913 }
914
915 goto done;
916 }
917
918 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
919 if (!(r->in.join_flags &
920 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
921 goto done;
922 }
923 }
924
925 /* We *must* do this.... don't ask... */
926
927 if (NT_STATUS_IS_OK(status)) {
928 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
929 }
930 }
931
932 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
933 &domain_pol,
934 1,
935 &lsa_acct_name,
936 &user_rids,
937 &name_types);
938 if (!NT_STATUS_IS_OK(status)) {
939 goto done;
940 }
941
942 if (name_types.ids[0] != SID_NAME_USER) {
943 DEBUG(0,("%s is not a user account (type=%d)\n",
944 acct_name, name_types.ids[0]));
945 status = NT_STATUS_INVALID_WORKSTATION;
946 goto done;
947 }
948
949 user_rid = user_rids.ids[0];
950
951 /* Open handle on user */
952
953 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
954 &domain_pol,
955 SEC_FLAG_MAXIMUM_ALLOWED,
956 user_rid,
957 &user_pol);
958 if (!NT_STATUS_IS_OK(status)) {
959 goto done;
960 }
961
962 /* Fill in the additional account flags now */
963
964 acct_flags |= ACB_PWNOEXP;
965 if (r->out.domain_is_ad) {
966 #if !defined(ENCTYPE_ARCFOUR_HMAC)
967 acct_flags |= ACB_USE_DES_KEY_ONLY;
968 #endif
969 ;;
970 }
971
972 /* Set account flags on machine account */
973 ZERO_STRUCT(user_info.info16);
974 user_info.info16.acct_flags = acct_flags;
975
976 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
977 &user_pol,
978 16,
979 &user_info);
980
981 if (!NT_STATUS_IS_OK(status)) {
982
983 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
984 &user_pol);
985
986 libnet_join_set_error_string(mem_ctx, r,
987 "Failed to set account flags for machine account (%s)\n",
988 nt_errstr(status));
989 goto done;
990 }
991
992 /* Set password on machine account - first try level 26 */
993
994 init_samr_CryptPasswordEx(r->in.machine_password,
995 &cli->user_session_key,
996 &crypt_pwd_ex);
997
998 user_info.info26.password = crypt_pwd_ex;
999 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1000
1001 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
1002 &user_pol,
1003 26,
1004 &user_info);
1005
1006 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
1007
1008 /* retry with level 24 */
1009
1010 init_samr_CryptPassword(r->in.machine_password,
1011 &cli->user_session_key,
1012 &crypt_pwd);
1013
1014 user_info.info24.password = crypt_pwd;
1015 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1016
1017 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
1018 &user_pol,
1019 24,
1020 &user_info);
1021 }
1022
1023 if (!NT_STATUS_IS_OK(status)) {
1024
1025 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
1026 &user_pol);
1027
1028 libnet_join_set_error_string(mem_ctx, r,
1029 "Failed to set password for machine account (%s)\n",
1030 nt_errstr(status));
1031 goto done;
1032 }
1033
1034 status = NT_STATUS_OK;
1035
1036 done:
1037 if (!pipe_hnd) {
1038 return status;
1039 }
1040
1041 if (is_valid_policy_hnd(&sam_pol)) {
1042 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1043 }
1044 if (is_valid_policy_hnd(&domain_pol)) {
1045 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1046 }
1047 if (is_valid_policy_hnd(&user_pol)) {
1048 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1049 }
1050 TALLOC_FREE(pipe_hnd);
1051
1052 return status;
1053 }
1054
1055 /****************************************************************
1056 ****************************************************************/
1057
1058 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1059 const char *machine_name,
1060 const char *dc_name)
1061 {
1062 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1063 struct cli_state *cli = NULL;
1064 struct rpc_pipe_client *pipe_hnd = NULL;
1065 struct rpc_pipe_client *netlogon_pipe = NULL;
1066 NTSTATUS status;
1067 char *machine_password = NULL;
1068 char *machine_account = NULL;
1069
1070 if (!dc_name) {
1071 return NT_STATUS_INVALID_PARAMETER;
1072 }
1073
1074 if (!secrets_init()) {
1075 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1076 }
1077
1078 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1079 NULL, NULL);
1080 if (!machine_password) {
1081 return NT_STATUS_NO_TRUST_LSA_SECRET;
1082 }
1083
1084 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1085 SAFE_FREE(machine_password);
1086 return NT_STATUS_NO_MEMORY;
1087 }
1088
1089 status = cli_full_connection(&cli, NULL,
1090 dc_name,
1091 NULL, 0,
1092 "IPC$", "IPC",
1093 machine_account,
1094 NULL,
1095 machine_password,
1096 0,
1097 Undefined, NULL);
1098 free(machine_account);
1099 free(machine_password);
1100
1101 if (!NT_STATUS_IS_OK(status)) {
1102 status = cli_full_connection(&cli, NULL,
1103 dc_name,
1104 NULL, 0,
1105 "IPC$", "IPC",
1106 "",
1107 NULL,
1108 "",
1109 0,
1110 Undefined, NULL);
1111 }
1112
1113 if (!NT_STATUS_IS_OK(status)) {
1114 return status;
1115 }
1116
1117 status = get_schannel_session_key(cli, netbios_domain_name,
1118 &neg_flags, &netlogon_pipe);
1119 if (!NT_STATUS_IS_OK(status)) {
1120 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1121 cli_shutdown(cli);
1122 return NT_STATUS_OK;
1123 }
1124
1125 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1126 "key from server %s for domain %s. Error was %s\n",
1127 cli->desthost, netbios_domain_name, nt_errstr(status)));
1128 cli_shutdown(cli);
1129 return status;
1130 }
1131
1132 if (!lp_client_schannel()) {
1133 cli_shutdown(cli);
1134 return NT_STATUS_OK;
1135 }
1136
1137 status = cli_rpc_pipe_open_schannel_with_key(
1138 cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
1139 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1140
1141 cli_shutdown(cli);
1142
1143 if (!NT_STATUS_IS_OK(status)) {
1144 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1145 "on netlogon pipe to server %s for domain %s. "
1146 "Error was %s\n",
1147 cli->desthost, netbios_domain_name, nt_errstr(status)));
1148 return status;
1149 }
1150
1151 return NT_STATUS_OK;
1152 }
1153
1154 /****************************************************************
1155 ****************************************************************/
1156
1157 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1158 struct libnet_JoinCtx *r)
1159 {
1160 NTSTATUS status;
1161
1162 status = libnet_join_ok(r->out.netbios_domain_name,
1163 r->in.machine_name,
1164 r->in.dc_name);
1165 if (!NT_STATUS_IS_OK(status)) {
1166 libnet_join_set_error_string(mem_ctx, r,
1167 "failed to verify domain membership after joining: %s",
1168 get_friendly_nt_error_msg(status));
1169 return WERR_SETUP_NOT_JOINED;
1170 }
1171
1172 return WERR_OK;
1173 }
1174
1175 /****************************************************************
1176 ****************************************************************/
1177
1178 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1179 struct libnet_UnjoinCtx *r)
1180 {
1181 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1182 return false;
1183 }
1184
1185 if (!secrets_delete_domain_sid(lp_workgroup())) {
1186 return false;
1187 }
1188
1189 return true;
1190 }
1191
1192 /****************************************************************
1193 ****************************************************************/
1194
1195 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1196 struct libnet_UnjoinCtx *r)
1197 {
1198 struct cli_state *cli = NULL;
1199 struct rpc_pipe_client *pipe_hnd = NULL;
1200 struct policy_handle sam_pol, domain_pol, user_pol;
1201 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1202 char *acct_name;
1203 uint32_t user_rid;
1204 struct lsa_String lsa_acct_name;
1205 struct samr_Ids user_rids;
1206 struct samr_Ids name_types;
1207 union samr_UserInfo *info = NULL;
1208
1209 ZERO_STRUCT(sam_pol);
1210 ZERO_STRUCT(domain_pol);
1211 ZERO_STRUCT(user_pol);
1212
1213 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1214 r->in.admin_account,
1215 r->in.admin_password,
1216 r->in.use_kerberos,
1217 &cli);
1218 if (!NT_STATUS_IS_OK(status)) {
1219 goto done;
1220 }
1221
1222 /* Open the domain */
1223
1224 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1225 &pipe_hnd);
1226 if (!NT_STATUS_IS_OK(status)) {
1227 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1228 nt_errstr(status)));
1229 goto done;
1230 }
1231
1232 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1233 pipe_hnd->desthost,
1234 SEC_FLAG_MAXIMUM_ALLOWED,
1235 &sam_pol);
1236 if (!NT_STATUS_IS_OK(status)) {
1237 goto done;
1238 }
1239
1240 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1241 &sam_pol,
1242 SEC_FLAG_MAXIMUM_ALLOWED,
1243 r->in.domain_sid,
1244 &domain_pol);
1245 if (!NT_STATUS_IS_OK(status)) {
1246 goto done;
1247 }
1248
1249 /* Create domain user */
1250
1251 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1252 strlower_m(acct_name);
1253
1254 init_lsa_String(&lsa_acct_name, acct_name);
1255
1256 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1257 &domain_pol,
1258 1,
1259 &lsa_acct_name,
1260 &user_rids,
1261 &name_types);
1262
1263 if (!NT_STATUS_IS_OK(status)) {
1264 goto done;
1265 }
1266
1267 if (name_types.ids[0] != SID_NAME_USER) {
1268 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1269 name_types.ids[0]));
1270 status = NT_STATUS_INVALID_WORKSTATION;
1271 goto done;
1272 }
1273
1274 user_rid = user_rids.ids[0];
1275
1276 /* Open handle on user */
1277
1278 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1279 &domain_pol,
1280 SEC_FLAG_MAXIMUM_ALLOWED,
1281 user_rid,
1282 &user_pol);
1283 if (!NT_STATUS_IS_OK(status)) {
1284 goto done;
1285 }
1286
1287 /* Get user info */
1288
1289 status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1290 &user_pol,
1291 16,
1292 &info);
1293 if (!NT_STATUS_IS_OK(status)) {
1294 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1295 goto done;
1296 }
1297
1298 /* now disable and setuser info */
1299
1300 info->info16.acct_flags |= ACB_DISABLED;
1301
1302 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1303 &user_pol,
1304 16,
1305 info);
1306
1307 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1308
1309 done:
1310 if (pipe_hnd) {
1311 if (is_valid_policy_hnd(&domain_pol)) {
1312 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1313 }
1314 if (is_valid_policy_hnd(&sam_pol)) {
1315 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1316 }
1317 TALLOC_FREE(pipe_hnd);
1318 }
1319
1320 if (cli) {
1321 cli_shutdown(cli);
1322 }
1323
1324 return status;
1325 }
1326
1327 /****************************************************************
1328 ****************************************************************/
1329
1330 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1331 {
1332 WERROR werr;
1333 struct smbconf_ctx *ctx;
1334
1335 werr = smbconf_init_reg(r, &ctx, NULL);
1336 if (!W_ERROR_IS_OK(werr)) {
1337 goto done;
1338 }
1339
1340 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1341
1342 werr = smbconf_set_global_parameter(ctx, "security", "user");
1343 W_ERROR_NOT_OK_GOTO_DONE(werr);
1344
1345 werr = smbconf_set_global_parameter(ctx, "workgroup",
1346 r->in.domain_name);
1347
1348 smbconf_delete_global_parameter(ctx, "realm");
1349 goto done;
1350 }
1351
1352 werr = smbconf_set_global_parameter(ctx, "security", "domain");
1353 W_ERROR_NOT_OK_GOTO_DONE(werr);
1354
1355 werr = smbconf_set_global_parameter(ctx, "workgroup",
1356 r->out.netbios_domain_name);
1357 W_ERROR_NOT_OK_GOTO_DONE(werr);
1358
1359 if (r->out.domain_is_ad) {
1360 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1361 W_ERROR_NOT_OK_GOTO_DONE(werr);
1362
1363 werr = smbconf_set_global_parameter(ctx, "realm",
1364 r->out.dns_domain_name);
1365 W_ERROR_NOT_OK_GOTO_DONE(werr);
1366 }
1367
1368 done:
1369 smbconf_shutdown(ctx);
1370 return werr;
1371 }
1372
1373 /****************************************************************
1374 ****************************************************************/
1375
1376 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1377 {
1378 WERROR werr = WERR_OK;
1379 struct smbconf_ctx *ctx;
1380
1381 werr = smbconf_init_reg(r, &ctx, NULL);
1382 if (!W_ERROR_IS_OK(werr)) {
1383 goto done;
1384 }
1385
1386 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1387
1388 werr = smbconf_set_global_parameter(ctx, "security", "user");
1389 W_ERROR_NOT_OK_GOTO_DONE(werr);
1390
1391 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1392 W_ERROR_NOT_OK_GOTO_DONE(werr);
1393
1394 smbconf_delete_global_parameter(ctx, "realm");
1395 }
1396
1397 done:
1398 smbconf_shutdown(ctx);
1399 return werr;
1400 }
1401
1402 /****************************************************************
1403 ****************************************************************/
1404
1405 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1406 {
1407 WERROR werr;
1408
1409 if (!W_ERROR_IS_OK(r->out.result)) {
1410 return r->out.result;
1411 }
1412
1413 if (!r->in.modify_config) {
1414 return WERR_OK;
1415 }
1416
1417 werr = do_join_modify_vals_config(r);
1418 if (!W_ERROR_IS_OK(werr)) {
1419 return werr;
1420 }
1421
1422 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1423
1424 r->out.modified_config = true;
1425 r->out.result = werr;
1426
1427 return werr;
1428 }
1429
1430 /****************************************************************
1431 ****************************************************************/
1432
1433 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1434 {
1435 WERROR werr;
1436
1437 if (!W_ERROR_IS_OK(r->out.result)) {
1438 return r->out.result;
1439 }
1440
1441 if (!r->in.modify_config) {
1442 return WERR_OK;
1443 }
1444
1445 werr = do_unjoin_modify_vals_config(r);
1446 if (!W_ERROR_IS_OK(werr)) {
1447 return werr;
1448 }
1449
1450 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1451
1452 r->out.modified_config = true;
1453 r->out.result = werr;
1454
1455 return werr;
1456 }
1457
1458 /****************************************************************
1459 ****************************************************************/
1460
1461 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1462 const char *domain_str,
1463 const char **domain_p,
1464 const char **dc_p)
1465 {
1466 char *domain = NULL;
1467 char *dc = NULL;
1468 const char *p = NULL;
1469
1470 if (!domain_str || !domain_p || !dc_p) {
1471 return false;
1472 }
1473
1474 p = strchr_m(domain_str, '\\');
1475
1476 if (p != NULL) {
1477 domain = talloc_strndup(mem_ctx, domain_str,
1478 PTR_DIFF(p, domain_str));
1479 dc = talloc_strdup(mem_ctx, p+1);
1480 if (!dc) {
1481 return false;
1482 }
1483 } else {
1484 domain = talloc_strdup(mem_ctx, domain_str);
1485 dc = NULL;
1486 }
1487 if (!domain) {
1488 return false;
1489 }
1490
1491 *domain_p = domain;
1492
1493 if (!*dc_p && dc) {
1494 *dc_p = dc;
1495 }
1496
1497 return true;
1498 }
1499
1500 /****************************************************************
1501 ****************************************************************/
1502
1503 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1504 struct libnet_JoinCtx *r)
1505 {
1506 if (!r->in.domain_name) {
1507 libnet_join_set_error_string(mem_ctx, r,
1508 "No domain name defined");
1509 return WERR_INVALID_PARAM;
1510 }
1511
1512 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1513 &r->in.domain_name,
1514 &r->in.dc_name)) {
1515 libnet_join_set_error_string(mem_ctx, r,
1516 "Failed to parse domain name");
1517 return WERR_INVALID_PARAM;
1518 }
1519
1520 if (IS_DC) {
1521 return WERR_SETUP_DOMAIN_CONTROLLER;
1522 }
1523
1524 if (!secrets_init()) {
1525 libnet_join_set_error_string(mem_ctx, r,
1526 "Unable to open secrets database");
1527 return WERR_CAN_NOT_COMPLETE;
1528 }
1529
1530 return WERR_OK;
1531 }
1532
1533 /****************************************************************
1534 ****************************************************************/
1535
1536 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1537 {
1538 NTSTATUS status;
1539
1540 /* Try adding dom admins to builtin\admins. Only log failures. */
1541 status = create_builtin_administrators(domain_sid);
1542 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1543 DEBUG(10,("Unable to auto-add domain administrators to "
1544 "BUILTIN\\Administrators during join because "
1545 "winbindd must be running."));
1546 } else if (!NT_STATUS_IS_OK(status)) {
1547 DEBUG(5, ("Failed to auto-add domain administrators to "
1548 "BUILTIN\\Administrators during join: %s\n",
1549 nt_errstr(status)));
1550 }
1551
1552 /* Try adding dom users to builtin\users. Only log failures. */
1553 status = create_builtin_users(domain_sid);
1554 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1555 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1556 "during join because winbindd must be running."));
1557 } else if (!NT_STATUS_IS_OK(status)) {
1558 DEBUG(5, ("Failed to auto-add domain administrators to "
1559 "BUILTIN\\Administrators during join: %s\n",
1560 nt_errstr(status)));
1561 }
1562 }
1563
1564 /****************************************************************
1565 ****************************************************************/
1566
1567 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1568 struct libnet_JoinCtx *r)
1569 {
1570 WERROR werr;
1571
1572 if (!W_ERROR_IS_OK(r->out.result)) {
1573 return r->out.result;
1574 }
1575
1576 werr = do_JoinConfig(r);
1577 if (!W_ERROR_IS_OK(werr)) {
1578 return werr;
1579 }
1580
1581 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1582 return WERR_OK;
1583 }
1584
1585 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1586 if (r->out.dns_domain_name) {
1587 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1588 }
1589
1590 #ifdef WITH_ADS
1591 if (r->out.domain_is_ad &&
1592 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1593 ADS_STATUS ads_status;
1594
1595 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1596 if (!ADS_ERR_OK(ads_status)) {
1597 return WERR_GENERAL_FAILURE;
1598 }
1599 }
1600 #endif /* WITH_ADS */
1601
1602 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1603
1604 return WERR_OK;
1605 }
1606
1607 /****************************************************************
1608 ****************************************************************/
1609
1610 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1611 {
1612 const char *krb5_cc_env = NULL;
1613
1614 if (r->in.ads) {
1615 ads_destroy(&r->in.ads);
1616 }
1617
1618 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1619 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1620 unsetenv(KRB5_ENV_CCNAME);
1621 }
1622
1623 return 0;
1624 }
1625
1626 /****************************************************************
1627 ****************************************************************/
1628
1629 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1630 {
1631 const char *krb5_cc_env = NULL;
1632
1633 if (r->in.ads) {
1634 ads_destroy(&r->in.ads);
1635 }
1636
1637 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1638 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1639 unsetenv(KRB5_ENV_CCNAME);
1640 }
1641
1642 return 0;
1643 }
1644
1645 /****************************************************************
1646 ****************************************************************/
1647
1648 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1649 struct libnet_JoinCtx **r)
1650 {
1651 struct libnet_JoinCtx *ctx;
1652 const char *krb5_cc_env = NULL;
1653
1654 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1655 if (!ctx) {
1656 return WERR_NOMEM;
1657 }
1658
1659 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1660
1661 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1662 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1663
1664 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1665 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1666 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1667 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1668 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1669 }
1670
1671 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1672
1673 *r = ctx;
1674
1675 return WERR_OK;
1676 }
1677
1678 /****************************************************************
1679 ****************************************************************/
1680
1681 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1682 struct libnet_UnjoinCtx **r)
1683 {
1684 struct libnet_UnjoinCtx *ctx;
1685 const char *krb5_cc_env = NULL;
1686
1687 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1688 if (!ctx) {
1689 return WERR_NOMEM;
1690 }
1691
1692 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1693
1694 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1695 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1696
1697 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1698 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1699 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1700 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1701 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1702 }
1703
1704 *r = ctx;
1705
1706 return WERR_OK;
1707 }
1708
1709 /****************************************************************
1710 ****************************************************************/
1711
1712 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1713 struct libnet_JoinCtx *r)
1714 {
1715 bool valid_security = false;
1716 bool valid_workgroup = false;
1717 bool valid_realm = false;
1718
1719 /* check if configuration is already set correctly */
1720
1721 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1722
1723 switch (r->out.domain_is_ad) {
1724 case false:
1725 valid_security = (lp_security() == SEC_DOMAIN);
1726 if (valid_workgroup && valid_security) {
1727 /* nothing to be done */
1728 return WERR_OK;
1729 }
1730 break;
1731 case true:
1732 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1733 switch (lp_security()) {
1734 case SEC_DOMAIN:
1735 case SEC_ADS:
1736 valid_security = true;
1737 }
1738
1739 if (valid_workgroup && valid_realm && valid_security) {
1740 /* nothing to be done */
1741 return WERR_OK;
1742 }
1743 break;
1744 }
1745
1746 /* check if we are supposed to manipulate configuration */
1747
1748 if (!r->in.modify_config) {
1749
1750 char *wrong_conf = talloc_strdup(mem_ctx, "");
1751
1752 if (!valid_workgroup) {
1753 wrong_conf = talloc_asprintf_append(wrong_conf,
1754 "\"workgroup\" set to '%s', should be '%s'",
1755 lp_workgroup(), r->out.netbios_domain_name);
1756 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1757 }
1758
1759 if (!valid_realm) {
1760 wrong_conf = talloc_asprintf_append(wrong_conf,
1761 "\"realm\" set to '%s', should be '%s'",
1762 lp_realm(), r->out.dns_domain_name);
1763 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1764 }
1765
1766 if (!valid_security) {
1767 const char *sec = NULL;
1768 switch (lp_security()) {
1769 case SEC_SHARE: sec = "share"; break;
1770 case SEC_USER: sec = "user"; break;
1771 case SEC_DOMAIN: sec = "domain"; break;
1772 case SEC_ADS: sec = "ads"; break;
1773 }
1774 wrong_conf = talloc_asprintf_append(wrong_conf,
1775 "\"security\" set to '%s', should be %s",
1776 sec, r->out.domain_is_ad ?
1777 "either 'domain' or 'ads'" : "'domain'");
1778 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1779 }
1780
1781 libnet_join_set_error_string(mem_ctx, r,
1782 "Invalid configuration (%s) and configuration modification "
1783 "was not requested", wrong_conf);
1784 return WERR_CAN_NOT_COMPLETE;
1785 }
1786
1787 /* check if we are able to manipulate configuration */
1788
1789 if (!lp_config_backend_is_registry()) {
1790 libnet_join_set_error_string(mem_ctx, r,
1791 "Configuration manipulation requested but not "
1792 "supported by backend");
1793 return WERR_NOT_SUPPORTED;
1794 }
1795
1796 return WERR_OK;
1797 }
1798
1799 /****************************************************************
1800 ****************************************************************/
1801
1802 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1803 struct libnet_JoinCtx *r)
1804 {
1805 NTSTATUS status;
1806 WERROR werr;
1807 struct cli_state *cli = NULL;
1808 #ifdef WITH_ADS
1809 ADS_STATUS ads_status;
1810 #endif /* WITH_ADS */
1811
1812 if (!r->in.dc_name) {
1813 struct netr_DsRGetDCNameInfo *info;
1814 const char *dc;
1815 status = dsgetdcname(mem_ctx,
1816 r->in.msg_ctx,
1817 r->in.domain_name,
1818 NULL,
1819 NULL,
1820 DS_FORCE_REDISCOVERY |
1821 DS_DIRECTORY_SERVICE_REQUIRED |
1822 DS_WRITABLE_REQUIRED |
1823 DS_RETURN_DNS_NAME,
1824 &info);
1825 if (!NT_STATUS_IS_OK(status)) {
1826 libnet_join_set_error_string(mem_ctx, r,
1827 "failed to find DC for domain %s",
1828 r->in.domain_name,
1829 get_friendly_nt_error_msg(status));
1830 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1831 }
1832
1833 dc = strip_hostname(info->dc_unc);
1834 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1835 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1836 }
1837
1838 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1839 if (!NT_STATUS_IS_OK(status)) {
1840 libnet_join_set_error_string(mem_ctx, r,
1841 "failed to lookup DC info for domain '%s' over rpc: %s",
1842 r->in.domain_name, get_friendly_nt_error_msg(status));
1843 return ntstatus_to_werror(status);
1844 }
1845
1846 werr = libnet_join_check_config(mem_ctx, r);
1847 if (!W_ERROR_IS_OK(werr)) {
1848 goto done;
1849 }
1850
1851 #ifdef WITH_ADS
1852 if (r->out.domain_is_ad && r->in.account_ou &&
1853 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1854
1855 ads_status = libnet_join_connect_ads(mem_ctx, r);
1856 if (!ADS_ERR_OK(ads_status)) {
1857 return WERR_DEFAULT_JOIN_REQUIRED;
1858 }
1859
1860 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1861 if (!ADS_ERR_OK(ads_status)) {
1862 libnet_join_set_error_string(mem_ctx, r,
1863 "failed to precreate account in ou %s: %s",
1864 r->in.account_ou,
1865 ads_errstr(ads_status));
1866 return WERR_DEFAULT_JOIN_REQUIRED;
1867 }
1868
1869 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1870 }
1871 #endif /* WITH_ADS */
1872
1873 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
1874 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
1875 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
1876 } else {
1877 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1878 }
1879 if (!NT_STATUS_IS_OK(status)) {
1880 libnet_join_set_error_string(mem_ctx, r,
1881 "failed to join domain '%s' over rpc: %s",
1882 r->in.domain_name, get_friendly_nt_error_msg(status));
1883 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1884 return WERR_SETUP_ALREADY_JOINED;
1885 }
1886 werr = ntstatus_to_werror(status);
1887 goto done;
1888 }
1889
1890 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1891 werr = WERR_SETUP_NOT_JOINED;
1892 goto done;
1893 }
1894
1895 werr = WERR_OK;
1896
1897 done:
1898 if (cli) {
1899 cli_shutdown(cli);
1900 }
1901
1902 return werr;
1903 }
1904
1905 /****************************************************************
1906 ****************************************************************/
1907
1908 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1909 struct libnet_JoinCtx *r)
1910 {
1911 WERROR werr;
1912 struct libnet_UnjoinCtx *u = NULL;
1913
1914 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1915 if (!W_ERROR_IS_OK(werr)) {
1916 return werr;
1917 }
1918
1919 u->in.debug = r->in.debug;
1920 u->in.dc_name = r->in.dc_name;
1921 u->in.domain_name = r->in.domain_name;
1922 u->in.admin_account = r->in.admin_account;
1923 u->in.admin_password = r->in.admin_password;
1924 u->in.modify_config = r->in.modify_config;
1925 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1926 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1927
1928 werr = libnet_Unjoin(mem_ctx, u);
1929 TALLOC_FREE(u);
1930
1931 return werr;
1932 }
1933
1934 /****************************************************************
1935 ****************************************************************/
1936
1937 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1938 struct libnet_JoinCtx *r)
1939 {
1940 WERROR werr;
1941
1942 if (r->in.debug) {
1943 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1944 }
1945
1946 werr = libnet_join_pre_processing(mem_ctx, r);
1947 if (!W_ERROR_IS_OK(werr)) {
1948 goto done;
1949 }
1950
1951 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1952 werr = libnet_DomainJoin(mem_ctx, r);
1953 if (!W_ERROR_IS_OK(werr)) {
1954 goto done;
1955 }
1956 }
1957
1958 werr = libnet_join_post_processing(mem_ctx, r);
1959 if (!W_ERROR_IS_OK(werr)) {
1960 goto done;
1961 }
1962
1963 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1964 werr = libnet_join_post_verify(mem_ctx, r);
1965 if (!W_ERROR_IS_OK(werr)) {
1966 libnet_join_rollback(mem_ctx, r);
1967 }
1968 }
1969
1970 done:
1971 r->out.result = werr;
1972
1973 if (r->in.debug) {
1974 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1975 }
1976 return werr;
1977 }
1978
1979 /****************************************************************
1980 ****************************************************************/
1981
1982 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1983 struct libnet_UnjoinCtx *r)
1984 {
1985 NTSTATUS status;
1986
1987 if (!r->in.domain_sid) {
1988 struct dom_sid sid;
1989 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1990 libnet_unjoin_set_error_string(mem_ctx, r,
1991 "Unable to fetch domain sid: are we joined?");
1992 return WERR_SETUP_NOT_JOINED;
1993 }
1994 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1995 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1996 }
1997
1998 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
1999 !r->in.delete_machine_account) {
2000 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2001 return WERR_OK;
2002 }
2003
2004 if (!r->in.dc_name) {
2005 struct netr_DsRGetDCNameInfo *info;
2006 const char *dc;
2007 status = dsgetdcname(mem_ctx,
2008 r->in.msg_ctx,
2009 r->in.domain_name,
2010 NULL,
2011 NULL,
2012 DS_DIRECTORY_SERVICE_REQUIRED |
2013 DS_WRITABLE_REQUIRED |
2014 DS_RETURN_DNS_NAME,
2015 &info);
2016 if (!NT_STATUS_IS_OK(status)) {
2017 libnet_unjoin_set_error_string(mem_ctx, r,
2018 "failed to find DC for domain %s",
2019 r->in.domain_name,
2020 get_friendly_nt_error_msg(status));
2021 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
2022 }
2023
2024 dc = strip_hostname(info->dc_unc);
2025 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2026 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2027 }
2028
2029 #ifdef WITH_ADS
2030 /* for net ads leave, try to delete the account. If it works,
2031 no sense in disabling. If it fails, we can still try to
2032 disable it. jmcd */
2033
2034 if (r->in.delete_machine_account) {
2035 ADS_STATUS ads_status;
2036 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2037 if (ADS_ERR_OK(ads_status)) {
2038 /* dirty hack */
2039 r->out.dns_domain_name =
2040 talloc_strdup(mem_ctx,
2041 r->in.ads->server.realm);
2042 ads_status =
2043 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2044 }
2045 if (!ADS_ERR_OK(ads_status)) {
2046 libnet_unjoin_set_error_string(mem_ctx, r,
2047 "failed to remove machine account from AD: %s",
2048 ads_errstr(ads_status));
2049 } else {
2050 r->out.deleted_machine_account = true;
2051 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2052 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2053 return WERR_OK;
2054 }
2055 }
2056 #endif /* WITH_ADS */
2057
2058 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2059 "disable". */
2060 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2061 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2062 if (!NT_STATUS_IS_OK(status)) {
2063 libnet_unjoin_set_error_string(mem_ctx, r,
2064 "failed to disable machine account via rpc: %s",
2065 get_friendly_nt_error_msg(status));
2066 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2067 return WERR_SETUP_NOT_JOINED;
2068 }
2069 return ntstatus_to_werror(status);
2070 }
2071
2072 r->out.disabled_machine_account = true;
2073 }
2074
2075 /* If disable succeeded or was not requested at all, we
2076 should be getting rid of our end of things */
2077
2078 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2079
2080 return WERR_OK;
2081 }
2082
2083 /****************************************************************
2084 ****************************************************************/
2085
2086 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2087 struct libnet_UnjoinCtx *r)
2088 {
2089 if (!r->in.domain_name) {
2090 libnet_unjoin_set_error_string(mem_ctx, r,
2091 "No domain name defined");
2092 return WERR_INVALID_PARAM;
2093 }
2094
2095 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2096 &r->in.domain_name,
2097 &r->in.dc_name)) {
2098 libnet_unjoin_set_error_string(mem_ctx, r,
2099 "Failed to parse domain name");
2100 return WERR_INVALID_PARAM;
2101 }
2102
2103 if (IS_DC) {
2104 return WERR_SETUP_DOMAIN_CONTROLLER;
2105 }
2106
2107 if (!secrets_init()) {
2108 libnet_unjoin_set_error_string(mem_ctx, r,
2109 "Unable to open secrets database");
2110 return WERR_CAN_NOT_COMPLETE;
2111 }
2112
2113 return WERR_OK;
2114 }
2115
2116 /****************************************************************
2117 ****************************************************************/
2118
2119 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2120 struct libnet_UnjoinCtx *r)
2121 {
2122 saf_delete(r->out.netbios_domain_name);
2123 saf_delete(r->out.dns_domain_name);
2124
2125 return libnet_unjoin_config(r);
2126 }
2127
2128 /****************************************************************
2129 ****************************************************************/
2130
2131 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2132 struct libnet_UnjoinCtx *r)
2133 {
2134 WERROR werr;
2135
2136 if (r->in.debug) {
2137 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2138 }
2139
2140 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2141 if (!W_ERROR_IS_OK(werr)) {
2142 goto done;
2143 }
2144
2145 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2146 werr = libnet_DomainUnjoin(mem_ctx, r);
2147 if (!W_ERROR_IS_OK(werr)) {
2148 libnet_unjoin_config(r);
2149 goto done;
2150 }
2151 }
2152
2153 werr = libnet_unjoin_post_processing(mem_ctx, r);
2154 if (!W_ERROR_IS_OK(werr)) {
2155 goto done;
2156 }
2157
2158 done:
2159 r->out.result = werr;
2160
2161 if (r->in.debug) {
2162 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2163 }
2164
2165 return werr;
2166 }
nivanova's samba4 branch