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s3: For net ads join, create a krb5.conf
[Samba.git] / source3 / libnet / libnet_join.c
blob8d66dc79333f4cf63b89847ecebbe17a360bc7dd
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "ads.h"
23 #include "librpc/gen_ndr/ndr_libnet_join.h"
24 #include "libnet/libnet_join.h"
25 #include "libcli/auth/libcli_auth.h"
26 #include "../librpc/gen_ndr/ndr_samr_c.h"
27 #include "rpc_client/init_samr.h"
28 #include "../librpc/gen_ndr/ndr_lsa_c.h"
29 #include "rpc_client/cli_lsarpc.h"
30 #include "../librpc/gen_ndr/ndr_netlogon.h"
31 #include "rpc_client/cli_netlogon.h"
32 #include "lib/smbconf/smbconf.h"
33 #include "lib/smbconf/smbconf_reg.h"
34 #include "../libds/common/flags.h"
35 #include "secrets.h"
36 #include "rpc_client/init_lsa.h"
37 #include "rpc_client/cli_pipe.h"
38 #include "krb5_env.h"
39 #include "../libcli/security/security.h"
40 #include "passdb.h"
41
42 /****************************************************************
43 ****************************************************************/
44
45 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
46 do { \
47 char *str = NULL; \
48 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
49 DEBUG(1,("libnet_Join:\n%s", str)); \
50 TALLOC_FREE(str); \
51 } while (0)
52
53 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
54 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
55 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
56 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
57
58 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
59 do { \
60 char *str = NULL; \
61 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
62 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
63 TALLOC_FREE(str); \
64 } while (0)
65
66 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
67 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
68 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
69 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
70
71 /****************************************************************
72 ****************************************************************/
73
74 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
75 struct libnet_JoinCtx *r,
76 const char *format, ...)
77 {
78 va_list args;
79
80 if (r->out.error_string) {
81 return;
82 }
83
84 va_start(args, format);
85 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
86 va_end(args);
87 }
88
89 /****************************************************************
90 ****************************************************************/
91
92 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
93 struct libnet_UnjoinCtx *r,
94 const char *format, ...)
95 {
96 va_list args;
97
98 if (r->out.error_string) {
99 return;
100 }
101
102 va_start(args, format);
103 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
104 va_end(args);
105 }
106
107 #ifdef HAVE_ADS
108
109 /****************************************************************
110 ****************************************************************/
111
112 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
113 const char *netbios_domain_name,
114 const char *dc_name,
115 const char *user_name,
116 const char *password,
117 ADS_STRUCT **ads)
118 {
119 ADS_STATUS status;
120 ADS_STRUCT *my_ads = NULL;
121 char *cp;
122
123 my_ads = ads_init(dns_domain_name,
124 netbios_domain_name,
125 dc_name);
126 if (!my_ads) {
127 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
128 }
129
130 if (user_name) {
131 SAFE_FREE(my_ads->auth.user_name);
132 my_ads->auth.user_name = SMB_STRDUP(user_name);
133 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
134 *cp++ = '\0';
135 SAFE_FREE(my_ads->auth.realm);
136 my_ads->auth.realm = smb_xstrdup(cp);
137 strupper_m(my_ads->auth.realm);
138 }
139 }
140
141 if (password) {
142 SAFE_FREE(my_ads->auth.password);
143 my_ads->auth.password = SMB_STRDUP(password);
144 }
145
146 status = ads_connect_user_creds(my_ads);
147 if (!ADS_ERR_OK(status)) {
148 ads_destroy(&my_ads);
149 return status;
150 }
151
152 *ads = my_ads;
153 return ADS_SUCCESS;
154 }
155
156 /****************************************************************
157 ****************************************************************/
158
159 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
160 struct libnet_JoinCtx *r)
161 {
162 ADS_STATUS status;
163
164 status = libnet_connect_ads(r->out.dns_domain_name,
165 r->out.netbios_domain_name,
166 r->in.dc_name,
167 r->in.admin_account,
168 r->in.admin_password,
169 &r->in.ads);
170 if (!ADS_ERR_OK(status)) {
171 libnet_join_set_error_string(mem_ctx, r,
172 "failed to connect to AD: %s",
173 ads_errstr(status));
174 return status;
175 }
176
177 if (!r->out.netbios_domain_name) {
178 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
179 r->in.ads->server.workgroup);
180 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
181 }
182
183 if (!r->out.dns_domain_name) {
184 r->out.dns_domain_name = talloc_strdup(mem_ctx,
185 r->in.ads->config.realm);
186 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
187 }
188
189 r->out.domain_is_ad = true;
190
191 return ADS_SUCCESS;
192 }
193
194 /****************************************************************
195 ****************************************************************/
196
197 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
198 struct libnet_UnjoinCtx *r)
199 {
200 ADS_STATUS status;
201
202 status = libnet_connect_ads(r->in.domain_name,
203 r->in.domain_name,
204 r->in.dc_name,
205 r->in.admin_account,
206 r->in.admin_password,
207 &r->in.ads);
208 if (!ADS_ERR_OK(status)) {
209 libnet_unjoin_set_error_string(mem_ctx, r,
210 "failed to connect to AD: %s",
211 ads_errstr(status));
212 }
213
214 return status;
215 }
216
217 /****************************************************************
218 join a domain using ADS (LDAP mods)
219 ****************************************************************/
220
221 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
222 struct libnet_JoinCtx *r)
223 {
224 ADS_STATUS status;
225 LDAPMessage *res = NULL;
226 const char *attrs[] = { "dn", NULL };
227 bool moved = false;
228
229 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
230 if (!ADS_ERR_OK(status)) {
231 return status;
232 }
233
234 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
235 if (!ADS_ERR_OK(status)) {
236 return status;
237 }
238
239 if (ads_count_replies(r->in.ads, res) != 1) {
240 ads_msgfree(r->in.ads, res);
241 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
242 }
243
244 ads_msgfree(r->in.ads, res);
245
246 /* Attempt to create the machine account and bail if this fails.
247 Assume that the admin wants exactly what they requested */
248
249 status = ads_create_machine_acct(r->in.ads,
250 r->in.machine_name,
251 r->in.account_ou);
252
253 if (ADS_ERR_OK(status)) {
254 DEBUG(1,("machine account creation created\n"));
255 return status;
256 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
257 (status.err.rc == LDAP_ALREADY_EXISTS)) {
258 status = ADS_SUCCESS;
259 }
260
261 if (!ADS_ERR_OK(status)) {
262 DEBUG(1,("machine account creation failed\n"));
263 return status;
264 }
265
266 status = ads_move_machine_acct(r->in.ads,
267 r->in.machine_name,
268 r->in.account_ou,
269 &moved);
270 if (!ADS_ERR_OK(status)) {
271 DEBUG(1,("failure to locate/move pre-existing "
272 "machine account\n"));
273 return status;
274 }
275
276 DEBUG(1,("The machine account %s the specified OU.\n",
277 moved ? "was moved into" : "already exists in"));
278
279 return status;
280 }
281
282 /****************************************************************
283 ****************************************************************/
284
285 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
286 struct libnet_UnjoinCtx *r)
287 {
288 ADS_STATUS status;
289
290 if (!r->in.ads) {
291 status = libnet_unjoin_connect_ads(mem_ctx, r);
292 if (!ADS_ERR_OK(status)) {
293 libnet_unjoin_set_error_string(mem_ctx, r,
294 "failed to connect to AD: %s",
295 ads_errstr(status));
296 return status;
297 }
298 }
299
300 status = ads_leave_realm(r->in.ads, r->in.machine_name);
301 if (!ADS_ERR_OK(status)) {
302 libnet_unjoin_set_error_string(mem_ctx, r,
303 "failed to leave realm: %s",
304 ads_errstr(status));
305 return status;
306 }
307
308 return ADS_SUCCESS;
309 }
310
311 /****************************************************************
312 ****************************************************************/
313
314 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
315 struct libnet_JoinCtx *r)
316 {
317 ADS_STATUS status;
318 LDAPMessage *res = NULL;
319 char *dn = NULL;
320
321 if (!r->in.machine_name) {
322 return ADS_ERROR(LDAP_NO_MEMORY);
323 }
324
325 status = ads_find_machine_acct(r->in.ads,
326 &res,
327 r->in.machine_name);
328 if (!ADS_ERR_OK(status)) {
329 return status;
330 }
331
332 if (ads_count_replies(r->in.ads, res) != 1) {
333 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
334 goto done;
335 }
336
337 dn = ads_get_dn(r->in.ads, mem_ctx, res);
338 if (!dn) {
339 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
340 goto done;
341 }
342
343 r->out.dn = talloc_strdup(mem_ctx, dn);
344 if (!r->out.dn) {
345 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
346 goto done;
347 }
348
349 done:
350 ads_msgfree(r->in.ads, res);
351 TALLOC_FREE(dn);
352
353 return status;
354 }
355
356 /****************************************************************
357 Set a machines dNSHostName and servicePrincipalName attributes
358 ****************************************************************/
359
360 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
361 struct libnet_JoinCtx *r)
362 {
363 ADS_STATUS status;
364 ADS_MODLIST mods;
365 fstring my_fqdn;
366 const char *spn_array[3] = {NULL, NULL, NULL};
367 char *spn = NULL;
368
369 /* Find our DN */
370
371 status = libnet_join_find_machine_acct(mem_ctx, r);
372 if (!ADS_ERR_OK(status)) {
373 return status;
374 }
375
376 /* Windows only creates HOST/shortname & HOST/fqdn. */
377
378 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
379 if (!spn) {
380 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
381 }
382 strupper_m(spn);
383 spn_array[0] = spn;
384
385 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
386 || (strchr(my_fqdn, '.') == NULL)) {
387 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
388 r->out.dns_domain_name);
389 }
390
391 strlower_m(my_fqdn);
392
393 if (!strequal(my_fqdn, r->in.machine_name)) {
394 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
395 if (!spn) {
396 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
397 }
398 spn_array[1] = spn;
399 }
400
401 mods = ads_init_mods(mem_ctx);
402 if (!mods) {
403 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
404 }
405
406 /* fields of primary importance */
407
408 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
409 if (!ADS_ERR_OK(status)) {
410 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
411 }
412
413 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
414 spn_array);
415 if (!ADS_ERR_OK(status)) {
416 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
417 }
418
419 return ads_gen_mod(r->in.ads, r->out.dn, mods);
420 }
421
422 /****************************************************************
423 ****************************************************************/
424
425 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
426 struct libnet_JoinCtx *r)
427 {
428 ADS_STATUS status;
429 ADS_MODLIST mods;
430
431 if (!r->in.create_upn) {
432 return ADS_SUCCESS;
433 }
434
435 /* Find our DN */
436
437 status = libnet_join_find_machine_acct(mem_ctx, r);
438 if (!ADS_ERR_OK(status)) {
439 return status;
440 }
441
442 if (!r->in.upn) {
443 r->in.upn = talloc_asprintf(mem_ctx,
444 "host/%s@%s",
445 r->in.machine_name,
446 r->out.dns_domain_name);
447 if (!r->in.upn) {
448 return ADS_ERROR(LDAP_NO_MEMORY);
449 }
450 }
451
452 /* now do the mods */
453
454 mods = ads_init_mods(mem_ctx);
455 if (!mods) {
456 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
457 }
458
459 /* fields of primary importance */
460
461 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
462 if (!ADS_ERR_OK(status)) {
463 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
464 }
465
466 return ads_gen_mod(r->in.ads, r->out.dn, mods);
467 }
468
469
470 /****************************************************************
471 ****************************************************************/
472
473 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
474 struct libnet_JoinCtx *r)
475 {
476 ADS_STATUS status;
477 ADS_MODLIST mods;
478 char *os_sp = NULL;
479
480 if (!r->in.os_name || !r->in.os_version ) {
481 return ADS_SUCCESS;
482 }
483
484 /* Find our DN */
485
486 status = libnet_join_find_machine_acct(mem_ctx, r);
487 if (!ADS_ERR_OK(status)) {
488 return status;
489 }
490
491 /* now do the mods */
492
493 mods = ads_init_mods(mem_ctx);
494 if (!mods) {
495 return ADS_ERROR(LDAP_NO_MEMORY);
496 }
497
498 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
499 if (!os_sp) {
500 return ADS_ERROR(LDAP_NO_MEMORY);
501 }
502
503 /* fields of primary importance */
504
505 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
506 r->in.os_name);
507 if (!ADS_ERR_OK(status)) {
508 return status;
509 }
510
511 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
512 r->in.os_version);
513 if (!ADS_ERR_OK(status)) {
514 return status;
515 }
516
517 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
518 os_sp);
519 if (!ADS_ERR_OK(status)) {
520 return status;
521 }
522
523 return ads_gen_mod(r->in.ads, r->out.dn, mods);
524 }
525
526 /****************************************************************
527 ****************************************************************/
528
529 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
530 struct libnet_JoinCtx *r)
531 {
532 if (!USE_SYSTEM_KEYTAB) {
533 return true;
534 }
535
536 if (ads_keytab_create_default(r->in.ads) != 0) {
537 return false;
538 }
539
540 return true;
541 }
542
543 /****************************************************************
544 ****************************************************************/
545
546 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
547 struct libnet_JoinCtx *r)
548 {
549 uint32_t domain_func;
550 ADS_STATUS status;
551 const char *salt = NULL;
552 char *std_salt = NULL;
553
554 status = ads_domain_func_level(r->in.ads, &domain_func);
555 if (!ADS_ERR_OK(status)) {
556 libnet_join_set_error_string(mem_ctx, r,
557 "failed to determine domain functional level: %s",
558 ads_errstr(status));
559 return false;
560 }
561
562 /* go ahead and setup the default salt */
563
564 std_salt = kerberos_standard_des_salt();
565 if (!std_salt) {
566 libnet_join_set_error_string(mem_ctx, r,
567 "failed to obtain standard DES salt");
568 return false;
569 }
570
571 salt = talloc_strdup(mem_ctx, std_salt);
572 if (!salt) {
573 return false;
574 }
575
576 SAFE_FREE(std_salt);
577
578 /* if it's a Windows functional domain, we have to look for the UPN */
579
580 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
581 char *upn;
582
583 upn = ads_get_upn(r->in.ads, mem_ctx,
584 r->in.machine_name);
585 if (upn) {
586 salt = talloc_strdup(mem_ctx, upn);
587 if (!salt) {
588 return false;
589 }
590 }
591 }
592
593 return kerberos_secrets_store_des_salt(salt);
594 }
595
596 /****************************************************************
597 ****************************************************************/
598
599 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
600 struct libnet_JoinCtx *r)
601 {
602 ADS_STATUS status;
603
604 if (!r->in.ads) {
605 status = libnet_join_connect_ads(mem_ctx, r);
606 if (!ADS_ERR_OK(status)) {
607 return status;
608 }
609 }
610
611 status = libnet_join_set_machine_spn(mem_ctx, r);
612 if (!ADS_ERR_OK(status)) {
613 libnet_join_set_error_string(mem_ctx, r,
614 "failed to set machine spn: %s",
615 ads_errstr(status));
616 return status;
617 }
618
619 status = libnet_join_set_os_attributes(mem_ctx, r);
620 if (!ADS_ERR_OK(status)) {
621 libnet_join_set_error_string(mem_ctx, r,
622 "failed to set machine os attributes: %s",
623 ads_errstr(status));
624 return status;
625 }
626
627 status = libnet_join_set_machine_upn(mem_ctx, r);
628 if (!ADS_ERR_OK(status)) {
629 libnet_join_set_error_string(mem_ctx, r,
630 "failed to set machine upn: %s",
631 ads_errstr(status));
632 return status;
633 }
634
635 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
636 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
637 }
638
639 if (!libnet_join_create_keytab(mem_ctx, r)) {
640 libnet_join_set_error_string(mem_ctx, r,
641 "failed to create kerberos keytab");
642 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
643 }
644
645 return ADS_SUCCESS;
646 }
647 #endif /* HAVE_ADS */
648
649 /****************************************************************
650 Store the machine password and domain SID
651 ****************************************************************/
652
653 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
654 struct libnet_JoinCtx *r)
655 {
656 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
657 r->out.domain_sid))
658 {
659 DEBUG(1,("Failed to save domain sid\n"));
660 return false;
661 }
662
663 if (!secrets_store_machine_password(r->in.machine_password,
664 r->out.netbios_domain_name,
665 r->in.secure_channel_type))
666 {
667 DEBUG(1,("Failed to save machine password\n"));
668 return false;
669 }
670
671 return true;
672 }
673
674 /****************************************************************
675 Connect dc's IPC$ share
676 ****************************************************************/
677
678 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
679 const char *user,
680 const char *pass,
681 bool use_kerberos,
682 struct cli_state **cli)
683 {
684 int flags = 0;
685
686 if (use_kerberos) {
687 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
688 }
689
690 if (use_kerberos && pass) {
691 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
692 }
693
694 return cli_full_connection(cli, NULL,
695 dc,
696 NULL, 0,
697 "IPC$", "IPC",
698 user,
699 NULL,
700 pass,
701 flags,
702 Undefined);
703 }
704
705 /****************************************************************
706 Lookup domain dc's info
707 ****************************************************************/
708
709 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
710 struct libnet_JoinCtx *r,
711 struct cli_state **cli)
712 {
713 struct rpc_pipe_client *pipe_hnd = NULL;
714 struct policy_handle lsa_pol;
715 NTSTATUS status, result;
716 union lsa_PolicyInformation *info = NULL;
717 struct dcerpc_binding_handle *b;
718
719 status = libnet_join_connect_dc_ipc(r->in.dc_name,
720 r->in.admin_account,
721 r->in.admin_password,
722 r->in.use_kerberos,
723 cli);
724 if (!NT_STATUS_IS_OK(status)) {
725 goto done;
726 }
727
728 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
729 &pipe_hnd);
730 if (!NT_STATUS_IS_OK(status)) {
731 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
732 nt_errstr(status)));
733 goto done;
734 }
735
736 b = pipe_hnd->binding_handle;
737
738 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
739 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
740 if (!NT_STATUS_IS_OK(status)) {
741 goto done;
742 }
743
744 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
745 &lsa_pol,
746 LSA_POLICY_INFO_DNS,
747 &info,
748 &result);
749 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
750 r->out.domain_is_ad = true;
751 r->out.netbios_domain_name = info->dns.name.string;
752 r->out.dns_domain_name = info->dns.dns_domain.string;
753 r->out.forest_name = info->dns.dns_forest.string;
754 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
755 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
756 }
757
758 if (!NT_STATUS_IS_OK(status)) {
759 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
760 &lsa_pol,
761 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
762 &info,
763 &result);
764 if (!NT_STATUS_IS_OK(status)) {
765 goto done;
766 }
767 if (!NT_STATUS_IS_OK(result)) {
768 status = result;
769 goto done;
770 }
771
772 r->out.netbios_domain_name = info->account_domain.name.string;
773 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
774 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
775 }
776
777 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
778 TALLOC_FREE(pipe_hnd);
779
780 done:
781 return status;
782 }
783
784 /****************************************************************
785 Do the domain join unsecure
786 ****************************************************************/
787
788 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
789 struct libnet_JoinCtx *r,
790 struct cli_state *cli)
791 {
792 struct rpc_pipe_client *pipe_hnd = NULL;
793 unsigned char orig_trust_passwd_hash[16];
794 unsigned char new_trust_passwd_hash[16];
795 fstring trust_passwd;
796 NTSTATUS status;
797
798 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
799 &pipe_hnd);
800 if (!NT_STATUS_IS_OK(status)) {
801 return status;
802 }
803
804 if (!r->in.machine_password) {
805 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
806 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
807 }
808
809 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
810
811 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
812 fstrcpy(trust_passwd, r->in.admin_password);
813 strlower_m(trust_passwd);
814
815 /*
816 * Machine names can be 15 characters, but the max length on
817 * a password is 14. --jerry
818 */
819
820 trust_passwd[14] = '\0';
821
822 E_md4hash(trust_passwd, orig_trust_passwd_hash);
823
824 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
825 r->in.machine_name,
826 orig_trust_passwd_hash,
827 r->in.machine_password,
828 new_trust_passwd_hash,
829 r->in.secure_channel_type);
830
831 return status;
832 }
833
834 /****************************************************************
835 Do the domain join
836 ****************************************************************/
837
838 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
839 struct libnet_JoinCtx *r,
840 struct cli_state *cli)
841 {
842 struct rpc_pipe_client *pipe_hnd = NULL;
843 struct policy_handle sam_pol, domain_pol, user_pol;
844 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
845 char *acct_name;
846 struct lsa_String lsa_acct_name;
847 uint32_t user_rid;
848 uint32_t acct_flags = ACB_WSTRUST;
849 struct samr_Ids user_rids;
850 struct samr_Ids name_types;
851 union samr_UserInfo user_info;
852 struct dcerpc_binding_handle *b = NULL;
853
854 struct samr_CryptPassword crypt_pwd;
855 struct samr_CryptPasswordEx crypt_pwd_ex;
856
857 ZERO_STRUCT(sam_pol);
858 ZERO_STRUCT(domain_pol);
859 ZERO_STRUCT(user_pol);
860
861 switch (r->in.secure_channel_type) {
862 case SEC_CHAN_WKSTA:
863 acct_flags = ACB_WSTRUST;
864 break;
865 case SEC_CHAN_BDC:
866 acct_flags = ACB_SVRTRUST;
867 break;
868 default:
869 return NT_STATUS_INVALID_PARAMETER;
870 }
871
872 if (!r->in.machine_password) {
873 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
874 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
875 }
876
877 /* Open the domain */
878
879 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
880 &pipe_hnd);
881 if (!NT_STATUS_IS_OK(status)) {
882 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
883 nt_errstr(status)));
884 goto done;
885 }
886
887 b = pipe_hnd->binding_handle;
888
889 status = dcerpc_samr_Connect2(b, mem_ctx,
890 pipe_hnd->desthost,
891 SAMR_ACCESS_ENUM_DOMAINS
892 | SAMR_ACCESS_LOOKUP_DOMAIN,
893 &sam_pol,
894 &result);
895 if (!NT_STATUS_IS_OK(status)) {
896 goto done;
897 }
898 if (!NT_STATUS_IS_OK(result)) {
899 status = result;
900 goto done;
901 }
902
903 status = dcerpc_samr_OpenDomain(b, mem_ctx,
904 &sam_pol,
905 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
906 | SAMR_DOMAIN_ACCESS_CREATE_USER
907 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
908 r->out.domain_sid,
909 &domain_pol,
910 &result);
911 if (!NT_STATUS_IS_OK(status)) {
912 goto done;
913 }
914 if (!NT_STATUS_IS_OK(result)) {
915 status = result;
916 goto done;
917 }
918
919 /* Create domain user */
920
921 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
922 strlower_m(acct_name);
923
924 init_lsa_String(&lsa_acct_name, acct_name);
925
926 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
927 uint32_t access_desired =
928 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
929 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
930 SAMR_USER_ACCESS_SET_PASSWORD |
931 SAMR_USER_ACCESS_GET_ATTRIBUTES |
932 SAMR_USER_ACCESS_SET_ATTRIBUTES;
933 uint32_t access_granted = 0;
934
935 DEBUG(10,("Creating account with desired access mask: %d\n",
936 access_desired));
937
938 status = dcerpc_samr_CreateUser2(b, mem_ctx,
939 &domain_pol,
940 &lsa_acct_name,
941 acct_flags,
942 access_desired,
943 &user_pol,
944 &access_granted,
945 &user_rid,
946 &result);
947 if (!NT_STATUS_IS_OK(status)) {
948 goto done;
949 }
950
951 status = result;
952 if (!NT_STATUS_IS_OK(status) &&
953 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
954
955 DEBUG(10,("Creation of workstation account failed: %s\n",
956 nt_errstr(status)));
957
958 /* If NT_STATUS_ACCESS_DENIED then we have a valid
959 username/password combo but the user does not have
960 administrator access. */
961
962 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
963 libnet_join_set_error_string(mem_ctx, r,
964 "User specified does not have "
965 "administrator privileges");
966 }
967
968 goto done;
969 }
970
971 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
972 if (!(r->in.join_flags &
973 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
974 goto done;
975 }
976 }
977
978 /* We *must* do this.... don't ask... */
979
980 if (NT_STATUS_IS_OK(status)) {
981 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
982 }
983 }
984
985 status = dcerpc_samr_LookupNames(b, mem_ctx,
986 &domain_pol,
987 1,
988 &lsa_acct_name,
989 &user_rids,
990 &name_types,
991 &result);
992 if (!NT_STATUS_IS_OK(status)) {
993 goto done;
994 }
995 if (!NT_STATUS_IS_OK(result)) {
996 status = result;
997 goto done;
998 }
999
1000 if (name_types.ids[0] != SID_NAME_USER) {
1001 DEBUG(0,("%s is not a user account (type=%d)\n",
1002 acct_name, name_types.ids[0]));
1003 status = NT_STATUS_INVALID_WORKSTATION;
1004 goto done;
1005 }
1006
1007 user_rid = user_rids.ids[0];
1008
1009 /* Open handle on user */
1010
1011 status = dcerpc_samr_OpenUser(b, mem_ctx,
1012 &domain_pol,
1013 SEC_FLAG_MAXIMUM_ALLOWED,
1014 user_rid,
1015 &user_pol,
1016 &result);
1017 if (!NT_STATUS_IS_OK(status)) {
1018 goto done;
1019 }
1020 if (!NT_STATUS_IS_OK(result)) {
1021 status = result;
1022 goto done;
1023 }
1024
1025 /* Fill in the additional account flags now */
1026
1027 acct_flags |= ACB_PWNOEXP;
1028
1029 /* Set account flags on machine account */
1030 ZERO_STRUCT(user_info.info16);
1031 user_info.info16.acct_flags = acct_flags;
1032
1033 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1034 &user_pol,
1035 16,
1036 &user_info,
1037 &result);
1038 if (!NT_STATUS_IS_OK(status)) {
1039 dcerpc_samr_DeleteUser(b, mem_ctx,
1040 &user_pol,
1041 &result);
1042
1043 libnet_join_set_error_string(mem_ctx, r,
1044 "Failed to set account flags for machine account (%s)\n",
1045 nt_errstr(status));
1046 goto done;
1047 }
1048
1049 if (!NT_STATUS_IS_OK(result)) {
1050 status = result;
1051
1052 dcerpc_samr_DeleteUser(b, mem_ctx,
1053 &user_pol,
1054 &result);
1055
1056 libnet_join_set_error_string(mem_ctx, r,
1057 "Failed to set account flags for machine account (%s)\n",
1058 nt_errstr(status));
1059 goto done;
1060 }
1061
1062 /* Set password on machine account - first try level 26 */
1063
1064 init_samr_CryptPasswordEx(r->in.machine_password,
1065 &cli->user_session_key,
1066 &crypt_pwd_ex);
1067
1068 user_info.info26.password = crypt_pwd_ex;
1069 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1070
1071 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1072 &user_pol,
1073 26,
1074 &user_info,
1075 &result);
1076
1077 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
1078
1079 /* retry with level 24 */
1080
1081 init_samr_CryptPassword(r->in.machine_password,
1082 &cli->user_session_key,
1083 &crypt_pwd);
1084
1085 user_info.info24.password = crypt_pwd;
1086 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1087
1088 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1089 &user_pol,
1090 24,
1091 &user_info,
1092 &result);
1093 }
1094
1095 if (!NT_STATUS_IS_OK(status)) {
1096
1097 dcerpc_samr_DeleteUser(b, mem_ctx,
1098 &user_pol,
1099 &result);
1100
1101 libnet_join_set_error_string(mem_ctx, r,
1102 "Failed to set password for machine account (%s)\n",
1103 nt_errstr(status));
1104 goto done;
1105 }
1106 if (!NT_STATUS_IS_OK(result)) {
1107 status = result;
1108
1109 dcerpc_samr_DeleteUser(b, mem_ctx,
1110 &user_pol,
1111 &result);
1112
1113 libnet_join_set_error_string(mem_ctx, r,
1114 "Failed to set password for machine account (%s)\n",
1115 nt_errstr(status));
1116 goto done;
1117 }
1118
1119 status = NT_STATUS_OK;
1120
1121 done:
1122 if (!pipe_hnd) {
1123 return status;
1124 }
1125
1126 if (is_valid_policy_hnd(&sam_pol)) {
1127 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1128 }
1129 if (is_valid_policy_hnd(&domain_pol)) {
1130 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1131 }
1132 if (is_valid_policy_hnd(&user_pol)) {
1133 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1134 }
1135 TALLOC_FREE(pipe_hnd);
1136
1137 return status;
1138 }
1139
1140 /****************************************************************
1141 ****************************************************************/
1142
1143 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1144 const char *machine_name,
1145 const char *dc_name)
1146 {
1147 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1148 struct cli_state *cli = NULL;
1149 struct rpc_pipe_client *pipe_hnd = NULL;
1150 struct rpc_pipe_client *netlogon_pipe = NULL;
1151 NTSTATUS status;
1152 char *machine_password = NULL;
1153 char *machine_account = NULL;
1154
1155 if (!dc_name) {
1156 return NT_STATUS_INVALID_PARAMETER;
1157 }
1158
1159 if (!secrets_init()) {
1160 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1161 }
1162
1163 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1164 NULL, NULL);
1165 if (!machine_password) {
1166 return NT_STATUS_NO_TRUST_LSA_SECRET;
1167 }
1168
1169 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1170 SAFE_FREE(machine_password);
1171 return NT_STATUS_NO_MEMORY;
1172 }
1173
1174 status = cli_full_connection(&cli, NULL,
1175 dc_name,
1176 NULL, 0,
1177 "IPC$", "IPC",
1178 machine_account,
1179 NULL,
1180 machine_password,
1181 0,
1182 Undefined);
1183 free(machine_account);
1184 free(machine_password);
1185
1186 if (!NT_STATUS_IS_OK(status)) {
1187 status = cli_full_connection(&cli, NULL,
1188 dc_name,
1189 NULL, 0,
1190 "IPC$", "IPC",
1191 "",
1192 NULL,
1193 "",
1194 0,
1195 Undefined);
1196 }
1197
1198 if (!NT_STATUS_IS_OK(status)) {
1199 return status;
1200 }
1201
1202 status = get_schannel_session_key(cli, netbios_domain_name,
1203 &neg_flags, &netlogon_pipe);
1204 if (!NT_STATUS_IS_OK(status)) {
1205 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1206 cli_shutdown(cli);
1207 return NT_STATUS_OK;
1208 }
1209
1210 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1211 "key from server %s for domain %s. Error was %s\n",
1212 cli->desthost, netbios_domain_name, nt_errstr(status)));
1213 cli_shutdown(cli);
1214 return status;
1215 }
1216
1217 if (!lp_client_schannel()) {
1218 cli_shutdown(cli);
1219 return NT_STATUS_OK;
1220 }
1221
1222 status = cli_rpc_pipe_open_schannel_with_key(
1223 cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1224 DCERPC_AUTH_LEVEL_PRIVACY,
1225 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1226
1227 cli_shutdown(cli);
1228
1229 if (!NT_STATUS_IS_OK(status)) {
1230 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1231 "on netlogon pipe to server %s for domain %s. "
1232 "Error was %s\n",
1233 cli->desthost, netbios_domain_name, nt_errstr(status)));
1234 return status;
1235 }
1236
1237 return NT_STATUS_OK;
1238 }
1239
1240 /****************************************************************
1241 ****************************************************************/
1242
1243 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1244 struct libnet_JoinCtx *r)
1245 {
1246 NTSTATUS status;
1247
1248 status = libnet_join_ok(r->out.netbios_domain_name,
1249 r->in.machine_name,
1250 r->in.dc_name);
1251 if (!NT_STATUS_IS_OK(status)) {
1252 libnet_join_set_error_string(mem_ctx, r,
1253 "failed to verify domain membership after joining: %s",
1254 get_friendly_nt_error_msg(status));
1255 return WERR_SETUP_NOT_JOINED;
1256 }
1257
1258 return WERR_OK;
1259 }
1260
1261 /****************************************************************
1262 ****************************************************************/
1263
1264 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1265 struct libnet_UnjoinCtx *r)
1266 {
1267 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1268 return false;
1269 }
1270
1271 if (!secrets_delete_domain_sid(lp_workgroup())) {
1272 return false;
1273 }
1274
1275 return true;
1276 }
1277
1278 /****************************************************************
1279 ****************************************************************/
1280
1281 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1282 struct libnet_UnjoinCtx *r)
1283 {
1284 struct cli_state *cli = NULL;
1285 struct rpc_pipe_client *pipe_hnd = NULL;
1286 struct policy_handle sam_pol, domain_pol, user_pol;
1287 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1288 char *acct_name;
1289 uint32_t user_rid;
1290 struct lsa_String lsa_acct_name;
1291 struct samr_Ids user_rids;
1292 struct samr_Ids name_types;
1293 union samr_UserInfo *info = NULL;
1294 struct dcerpc_binding_handle *b;
1295
1296 ZERO_STRUCT(sam_pol);
1297 ZERO_STRUCT(domain_pol);
1298 ZERO_STRUCT(user_pol);
1299
1300 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1301 r->in.admin_account,
1302 r->in.admin_password,
1303 r->in.use_kerberos,
1304 &cli);
1305 if (!NT_STATUS_IS_OK(status)) {
1306 goto done;
1307 }
1308
1309 /* Open the domain */
1310
1311 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1312 &pipe_hnd);
1313 if (!NT_STATUS_IS_OK(status)) {
1314 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1315 nt_errstr(status)));
1316 goto done;
1317 }
1318
1319 b = pipe_hnd->binding_handle;
1320
1321 status = dcerpc_samr_Connect2(b, mem_ctx,
1322 pipe_hnd->desthost,
1323 SEC_FLAG_MAXIMUM_ALLOWED,
1324 &sam_pol,
1325 &result);
1326 if (!NT_STATUS_IS_OK(status)) {
1327 goto done;
1328 }
1329 if (!NT_STATUS_IS_OK(result)) {
1330 status = result;
1331 goto done;
1332 }
1333
1334 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1335 &sam_pol,
1336 SEC_FLAG_MAXIMUM_ALLOWED,
1337 r->in.domain_sid,
1338 &domain_pol,
1339 &result);
1340 if (!NT_STATUS_IS_OK(status)) {
1341 goto done;
1342 }
1343 if (!NT_STATUS_IS_OK(result)) {
1344 status = result;
1345 goto done;
1346 }
1347
1348 /* Create domain user */
1349
1350 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1351 strlower_m(acct_name);
1352
1353 init_lsa_String(&lsa_acct_name, acct_name);
1354
1355 status = dcerpc_samr_LookupNames(b, mem_ctx,
1356 &domain_pol,
1357 1,
1358 &lsa_acct_name,
1359 &user_rids,
1360 &name_types,
1361 &result);
1362
1363 if (!NT_STATUS_IS_OK(status)) {
1364 goto done;
1365 }
1366 if (!NT_STATUS_IS_OK(result)) {
1367 status = result;
1368 goto done;
1369 }
1370
1371 if (name_types.ids[0] != SID_NAME_USER) {
1372 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1373 name_types.ids[0]));
1374 status = NT_STATUS_INVALID_WORKSTATION;
1375 goto done;
1376 }
1377
1378 user_rid = user_rids.ids[0];
1379
1380 /* Open handle on user */
1381
1382 status = dcerpc_samr_OpenUser(b, mem_ctx,
1383 &domain_pol,
1384 SEC_FLAG_MAXIMUM_ALLOWED,
1385 user_rid,
1386 &user_pol,
1387 &result);
1388 if (!NT_STATUS_IS_OK(status)) {
1389 goto done;
1390 }
1391 if (!NT_STATUS_IS_OK(result)) {
1392 status = result;
1393 goto done;
1394 }
1395
1396 /* Get user info */
1397
1398 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1399 &user_pol,
1400 16,
1401 &info,
1402 &result);
1403 if (!NT_STATUS_IS_OK(status)) {
1404 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1405 goto done;
1406 }
1407 if (!NT_STATUS_IS_OK(result)) {
1408 status = result;
1409 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1410 goto done;
1411 }
1412
1413 /* now disable and setuser info */
1414
1415 info->info16.acct_flags |= ACB_DISABLED;
1416
1417 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1418 &user_pol,
1419 16,
1420 info,
1421 &result);
1422 if (!NT_STATUS_IS_OK(status)) {
1423 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1424 goto done;
1425 }
1426 if (!NT_STATUS_IS_OK(result)) {
1427 status = result;
1428 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1429 goto done;
1430 }
1431 status = result;
1432 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1433
1434 done:
1435 if (pipe_hnd) {
1436 if (is_valid_policy_hnd(&domain_pol)) {
1437 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1438 }
1439 if (is_valid_policy_hnd(&sam_pol)) {
1440 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1441 }
1442 TALLOC_FREE(pipe_hnd);
1443 }
1444
1445 if (cli) {
1446 cli_shutdown(cli);
1447 }
1448
1449 return status;
1450 }
1451
1452 /****************************************************************
1453 ****************************************************************/
1454
1455 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1456 {
1457 WERROR werr;
1458 struct smbconf_ctx *ctx;
1459
1460 werr = smbconf_init_reg(r, &ctx, NULL);
1461 if (!W_ERROR_IS_OK(werr)) {
1462 goto done;
1463 }
1464
1465 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1466
1467 werr = smbconf_set_global_parameter(ctx, "security", "user");
1468 W_ERROR_NOT_OK_GOTO_DONE(werr);
1469
1470 werr = smbconf_set_global_parameter(ctx, "workgroup",
1471 r->in.domain_name);
1472
1473 smbconf_delete_global_parameter(ctx, "realm");
1474 goto done;
1475 }
1476
1477 werr = smbconf_set_global_parameter(ctx, "security", "domain");
1478 W_ERROR_NOT_OK_GOTO_DONE(werr);
1479
1480 werr = smbconf_set_global_parameter(ctx, "workgroup",
1481 r->out.netbios_domain_name);
1482 W_ERROR_NOT_OK_GOTO_DONE(werr);
1483
1484 if (r->out.domain_is_ad) {
1485 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1486 W_ERROR_NOT_OK_GOTO_DONE(werr);
1487
1488 werr = smbconf_set_global_parameter(ctx, "realm",
1489 r->out.dns_domain_name);
1490 W_ERROR_NOT_OK_GOTO_DONE(werr);
1491 }
1492
1493 done:
1494 smbconf_shutdown(ctx);
1495 return werr;
1496 }
1497
1498 /****************************************************************
1499 ****************************************************************/
1500
1501 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1502 {
1503 WERROR werr = WERR_OK;
1504 struct smbconf_ctx *ctx;
1505
1506 werr = smbconf_init_reg(r, &ctx, NULL);
1507 if (!W_ERROR_IS_OK(werr)) {
1508 goto done;
1509 }
1510
1511 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1512
1513 werr = smbconf_set_global_parameter(ctx, "security", "user");
1514 W_ERROR_NOT_OK_GOTO_DONE(werr);
1515
1516 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1517 W_ERROR_NOT_OK_GOTO_DONE(werr);
1518
1519 smbconf_delete_global_parameter(ctx, "realm");
1520 }
1521
1522 done:
1523 smbconf_shutdown(ctx);
1524 return werr;
1525 }
1526
1527 /****************************************************************
1528 ****************************************************************/
1529
1530 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1531 {
1532 WERROR werr;
1533
1534 if (!W_ERROR_IS_OK(r->out.result)) {
1535 return r->out.result;
1536 }
1537
1538 if (!r->in.modify_config) {
1539 return WERR_OK;
1540 }
1541
1542 werr = do_join_modify_vals_config(r);
1543 if (!W_ERROR_IS_OK(werr)) {
1544 return werr;
1545 }
1546
1547 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1548
1549 r->out.modified_config = true;
1550 r->out.result = werr;
1551
1552 return werr;
1553 }
1554
1555 /****************************************************************
1556 ****************************************************************/
1557
1558 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1559 {
1560 WERROR werr;
1561
1562 if (!W_ERROR_IS_OK(r->out.result)) {
1563 return r->out.result;
1564 }
1565
1566 if (!r->in.modify_config) {
1567 return WERR_OK;
1568 }
1569
1570 werr = do_unjoin_modify_vals_config(r);
1571 if (!W_ERROR_IS_OK(werr)) {
1572 return werr;
1573 }
1574
1575 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1576
1577 r->out.modified_config = true;
1578 r->out.result = werr;
1579
1580 return werr;
1581 }
1582
1583 /****************************************************************
1584 ****************************************************************/
1585
1586 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1587 const char *domain_str,
1588 const char **domain_p,
1589 const char **dc_p)
1590 {
1591 char *domain = NULL;
1592 char *dc = NULL;
1593 const char *p = NULL;
1594
1595 if (!domain_str || !domain_p || !dc_p) {
1596 return false;
1597 }
1598
1599 p = strchr_m(domain_str, '\\');
1600
1601 if (p != NULL) {
1602 domain = talloc_strndup(mem_ctx, domain_str,
1603 PTR_DIFF(p, domain_str));
1604 dc = talloc_strdup(mem_ctx, p+1);
1605 if (!dc) {
1606 return false;
1607 }
1608 } else {
1609 domain = talloc_strdup(mem_ctx, domain_str);
1610 dc = NULL;
1611 }
1612 if (!domain) {
1613 return false;
1614 }
1615
1616 *domain_p = domain;
1617
1618 if (!*dc_p && dc) {
1619 *dc_p = dc;
1620 }
1621
1622 return true;
1623 }
1624
1625 /****************************************************************
1626 ****************************************************************/
1627
1628 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1629 struct libnet_JoinCtx *r)
1630 {
1631 if (!r->in.domain_name) {
1632 libnet_join_set_error_string(mem_ctx, r,
1633 "No domain name defined");
1634 return WERR_INVALID_PARAM;
1635 }
1636
1637 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1638 &r->in.domain_name,
1639 &r->in.dc_name)) {
1640 libnet_join_set_error_string(mem_ctx, r,
1641 "Failed to parse domain name");
1642 return WERR_INVALID_PARAM;
1643 }
1644
1645 if (IS_DC) {
1646 return WERR_SETUP_DOMAIN_CONTROLLER;
1647 }
1648
1649 if (!secrets_init()) {
1650 libnet_join_set_error_string(mem_ctx, r,
1651 "Unable to open secrets database");
1652 return WERR_CAN_NOT_COMPLETE;
1653 }
1654
1655 return WERR_OK;
1656 }
1657
1658 /****************************************************************
1659 ****************************************************************/
1660
1661 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1662 {
1663 NTSTATUS status;
1664
1665 /* Try adding dom admins to builtin\admins. Only log failures. */
1666 status = create_builtin_administrators(domain_sid);
1667 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1668 DEBUG(10,("Unable to auto-add domain administrators to "
1669 "BUILTIN\\Administrators during join because "
1670 "winbindd must be running."));
1671 } else if (!NT_STATUS_IS_OK(status)) {
1672 DEBUG(5, ("Failed to auto-add domain administrators to "
1673 "BUILTIN\\Administrators during join: %s\n",
1674 nt_errstr(status)));
1675 }
1676
1677 /* Try adding dom users to builtin\users. Only log failures. */
1678 status = create_builtin_users(domain_sid);
1679 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1680 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1681 "during join because winbindd must be running."));
1682 } else if (!NT_STATUS_IS_OK(status)) {
1683 DEBUG(5, ("Failed to auto-add domain administrators to "
1684 "BUILTIN\\Administrators during join: %s\n",
1685 nt_errstr(status)));
1686 }
1687 }
1688
1689 /****************************************************************
1690 ****************************************************************/
1691
1692 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1693 struct libnet_JoinCtx *r)
1694 {
1695 WERROR werr;
1696
1697 if (!W_ERROR_IS_OK(r->out.result)) {
1698 return r->out.result;
1699 }
1700
1701 werr = do_JoinConfig(r);
1702 if (!W_ERROR_IS_OK(werr)) {
1703 return werr;
1704 }
1705
1706 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1707 return WERR_OK;
1708 }
1709
1710 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1711 if (r->out.dns_domain_name) {
1712 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1713 }
1714
1715 #ifdef HAVE_ADS
1716 if (r->out.domain_is_ad &&
1717 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1718 ADS_STATUS ads_status;
1719
1720 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1721 if (!ADS_ERR_OK(ads_status)) {
1722 return WERR_GENERAL_FAILURE;
1723 }
1724 }
1725 #endif /* HAVE_ADS */
1726
1727 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1728
1729 return WERR_OK;
1730 }
1731
1732 /****************************************************************
1733 ****************************************************************/
1734
1735 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1736 {
1737 const char *krb5_cc_env = NULL;
1738
1739 if (r->in.ads) {
1740 ads_destroy(&r->in.ads);
1741 }
1742
1743 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1744 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1745 unsetenv(KRB5_ENV_CCNAME);
1746 }
1747
1748 return 0;
1749 }
1750
1751 /****************************************************************
1752 ****************************************************************/
1753
1754 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1755 {
1756 const char *krb5_cc_env = NULL;
1757
1758 if (r->in.ads) {
1759 ads_destroy(&r->in.ads);
1760 }
1761
1762 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1763 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1764 unsetenv(KRB5_ENV_CCNAME);
1765 }
1766
1767 return 0;
1768 }
1769
1770 /****************************************************************
1771 ****************************************************************/
1772
1773 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1774 struct libnet_JoinCtx **r)
1775 {
1776 struct libnet_JoinCtx *ctx;
1777 const char *krb5_cc_env = NULL;
1778
1779 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1780 if (!ctx) {
1781 return WERR_NOMEM;
1782 }
1783
1784 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1785
1786 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1787 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1788
1789 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1790 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1791 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1792 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1793 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1794 }
1795
1796 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1797
1798 *r = ctx;
1799
1800 return WERR_OK;
1801 }
1802
1803 /****************************************************************
1804 ****************************************************************/
1805
1806 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1807 struct libnet_UnjoinCtx **r)
1808 {
1809 struct libnet_UnjoinCtx *ctx;
1810 const char *krb5_cc_env = NULL;
1811
1812 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1813 if (!ctx) {
1814 return WERR_NOMEM;
1815 }
1816
1817 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1818
1819 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1820 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1821
1822 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1823 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1824 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1825 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1826 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1827 }
1828
1829 *r = ctx;
1830
1831 return WERR_OK;
1832 }
1833
1834 /****************************************************************
1835 ****************************************************************/
1836
1837 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1838 struct libnet_JoinCtx *r)
1839 {
1840 bool valid_security = false;
1841 bool valid_workgroup = false;
1842 bool valid_realm = false;
1843
1844 /* check if configuration is already set correctly */
1845
1846 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1847
1848 switch (r->out.domain_is_ad) {
1849 case false:
1850 valid_security = (lp_security() == SEC_DOMAIN);
1851 if (valid_workgroup && valid_security) {
1852 /* nothing to be done */
1853 return WERR_OK;
1854 }
1855 break;
1856 case true:
1857 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1858 switch (lp_security()) {
1859 case SEC_DOMAIN:
1860 case SEC_ADS:
1861 valid_security = true;
1862 }
1863
1864 if (valid_workgroup && valid_realm && valid_security) {
1865 /* nothing to be done */
1866 return WERR_OK;
1867 }
1868 break;
1869 }
1870
1871 /* check if we are supposed to manipulate configuration */
1872
1873 if (!r->in.modify_config) {
1874
1875 char *wrong_conf = talloc_strdup(mem_ctx, "");
1876
1877 if (!valid_workgroup) {
1878 wrong_conf = talloc_asprintf_append(wrong_conf,
1879 "\"workgroup\" set to '%s', should be '%s'",
1880 lp_workgroup(), r->out.netbios_domain_name);
1881 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1882 }
1883
1884 if (!valid_realm) {
1885 wrong_conf = talloc_asprintf_append(wrong_conf,
1886 "\"realm\" set to '%s', should be '%s'",
1887 lp_realm(), r->out.dns_domain_name);
1888 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1889 }
1890
1891 if (!valid_security) {
1892 const char *sec = NULL;
1893 switch (lp_security()) {
1894 case SEC_SHARE: sec = "share"; break;
1895 case SEC_USER: sec = "user"; break;
1896 case SEC_DOMAIN: sec = "domain"; break;
1897 case SEC_ADS: sec = "ads"; break;
1898 }
1899 wrong_conf = talloc_asprintf_append(wrong_conf,
1900 "\"security\" set to '%s', should be %s",
1901 sec, r->out.domain_is_ad ?
1902 "either 'domain' or 'ads'" : "'domain'");
1903 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1904 }
1905
1906 libnet_join_set_error_string(mem_ctx, r,
1907 "Invalid configuration (%s) and configuration modification "
1908 "was not requested", wrong_conf);
1909 return WERR_CAN_NOT_COMPLETE;
1910 }
1911
1912 /* check if we are able to manipulate configuration */
1913
1914 if (!lp_config_backend_is_registry()) {
1915 libnet_join_set_error_string(mem_ctx, r,
1916 "Configuration manipulation requested but not "
1917 "supported by backend");
1918 return WERR_NOT_SUPPORTED;
1919 }
1920
1921 return WERR_OK;
1922 }
1923
1924 /****************************************************************
1925 ****************************************************************/
1926
1927 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1928 struct libnet_JoinCtx *r)
1929 {
1930 NTSTATUS status;
1931 WERROR werr;
1932 struct cli_state *cli = NULL;
1933 #ifdef HAVE_ADS
1934 ADS_STATUS ads_status;
1935 #endif /* HAVE_ADS */
1936
1937 if (!r->in.dc_name) {
1938 struct netr_DsRGetDCNameInfo *info;
1939 const char *dc;
1940 status = dsgetdcname(mem_ctx,
1941 r->in.msg_ctx,
1942 r->in.domain_name,
1943 NULL,
1944 NULL,
1945 DS_FORCE_REDISCOVERY |
1946 DS_DIRECTORY_SERVICE_REQUIRED |
1947 DS_WRITABLE_REQUIRED |
1948 DS_RETURN_DNS_NAME,
1949 &info);
1950 if (!NT_STATUS_IS_OK(status)) {
1951 libnet_join_set_error_string(mem_ctx, r,
1952 "failed to find DC for domain %s",
1953 r->in.domain_name,
1954 get_friendly_nt_error_msg(status));
1955 return WERR_DCNOTFOUND;
1956 }
1957
1958 dc = strip_hostname(info->dc_unc);
1959 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1960 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1961 }
1962
1963 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1964 if (!NT_STATUS_IS_OK(status)) {
1965 libnet_join_set_error_string(mem_ctx, r,
1966 "failed to lookup DC info for domain '%s' over rpc: %s",
1967 r->in.domain_name, get_friendly_nt_error_msg(status));
1968 return ntstatus_to_werror(status);
1969 }
1970
1971 werr = libnet_join_check_config(mem_ctx, r);
1972 if (!W_ERROR_IS_OK(werr)) {
1973 goto done;
1974 }
1975
1976 #ifdef HAVE_ADS
1977
1978 create_local_private_krb5_conf_for_domain(
1979 r->out.dns_domain_name, r->out.netbios_domain_name,
1980 NULL, &cli->dest_ss, cli->desthost);
1981
1982 if (r->out.domain_is_ad && r->in.account_ou &&
1983 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1984
1985 ads_status = libnet_join_connect_ads(mem_ctx, r);
1986 if (!ADS_ERR_OK(ads_status)) {
1987 return WERR_DEFAULT_JOIN_REQUIRED;
1988 }
1989
1990 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1991 if (!ADS_ERR_OK(ads_status)) {
1992 libnet_join_set_error_string(mem_ctx, r,
1993 "failed to precreate account in ou %s: %s",
1994 r->in.account_ou,
1995 ads_errstr(ads_status));
1996 return WERR_DEFAULT_JOIN_REQUIRED;
1997 }
1998
1999 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2000 }
2001 #endif /* HAVE_ADS */
2002
2003 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2004 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2005 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2006 } else {
2007 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2008 }
2009 if (!NT_STATUS_IS_OK(status)) {
2010 libnet_join_set_error_string(mem_ctx, r,
2011 "failed to join domain '%s' over rpc: %s",
2012 r->in.domain_name, get_friendly_nt_error_msg(status));
2013 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2014 return WERR_SETUP_ALREADY_JOINED;
2015 }
2016 werr = ntstatus_to_werror(status);
2017 goto done;
2018 }
2019
2020 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2021 werr = WERR_SETUP_NOT_JOINED;
2022 goto done;
2023 }
2024
2025 werr = WERR_OK;
2026
2027 done:
2028 if (cli) {
2029 cli_shutdown(cli);
2030 }
2031
2032 return werr;
2033 }
2034
2035 /****************************************************************
2036 ****************************************************************/
2037
2038 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2039 struct libnet_JoinCtx *r)
2040 {
2041 WERROR werr;
2042 struct libnet_UnjoinCtx *u = NULL;
2043
2044 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2045 if (!W_ERROR_IS_OK(werr)) {
2046 return werr;
2047 }
2048
2049 u->in.debug = r->in.debug;
2050 u->in.dc_name = r->in.dc_name;
2051 u->in.domain_name = r->in.domain_name;
2052 u->in.admin_account = r->in.admin_account;
2053 u->in.admin_password = r->in.admin_password;
2054 u->in.modify_config = r->in.modify_config;
2055 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2056 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2057
2058 werr = libnet_Unjoin(mem_ctx, u);
2059 TALLOC_FREE(u);
2060
2061 return werr;
2062 }
2063
2064 /****************************************************************
2065 ****************************************************************/
2066
2067 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2068 struct libnet_JoinCtx *r)
2069 {
2070 WERROR werr;
2071
2072 if (r->in.debug) {
2073 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2074 }
2075
2076 werr = libnet_join_pre_processing(mem_ctx, r);
2077 if (!W_ERROR_IS_OK(werr)) {
2078 goto done;
2079 }
2080
2081 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2082 werr = libnet_DomainJoin(mem_ctx, r);
2083 if (!W_ERROR_IS_OK(werr)) {
2084 goto done;
2085 }
2086 }
2087
2088 werr = libnet_join_post_processing(mem_ctx, r);
2089 if (!W_ERROR_IS_OK(werr)) {
2090 goto done;
2091 }
2092
2093 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2094 werr = libnet_join_post_verify(mem_ctx, r);
2095 if (!W_ERROR_IS_OK(werr)) {
2096 libnet_join_rollback(mem_ctx, r);
2097 }
2098 }
2099
2100 done:
2101 r->out.result = werr;
2102
2103 if (r->in.debug) {
2104 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2105 }
2106 return werr;
2107 }
2108
2109 /****************************************************************
2110 ****************************************************************/
2111
2112 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2113 struct libnet_UnjoinCtx *r)
2114 {
2115 NTSTATUS status;
2116
2117 if (!r->in.domain_sid) {
2118 struct dom_sid sid;
2119 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2120 libnet_unjoin_set_error_string(mem_ctx, r,
2121 "Unable to fetch domain sid: are we joined?");
2122 return WERR_SETUP_NOT_JOINED;
2123 }
2124 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2125 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2126 }
2127
2128 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2129 !r->in.delete_machine_account) {
2130 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2131 return WERR_OK;
2132 }
2133
2134 if (!r->in.dc_name) {
2135 struct netr_DsRGetDCNameInfo *info;
2136 const char *dc;
2137 status = dsgetdcname(mem_ctx,
2138 r->in.msg_ctx,
2139 r->in.domain_name,
2140 NULL,
2141 NULL,
2142 DS_DIRECTORY_SERVICE_REQUIRED |
2143 DS_WRITABLE_REQUIRED |
2144 DS_RETURN_DNS_NAME,
2145 &info);
2146 if (!NT_STATUS_IS_OK(status)) {
2147 libnet_unjoin_set_error_string(mem_ctx, r,
2148 "failed to find DC for domain %s",
2149 r->in.domain_name,
2150 get_friendly_nt_error_msg(status));
2151 return WERR_DCNOTFOUND;
2152 }
2153
2154 dc = strip_hostname(info->dc_unc);
2155 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2156 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2157 }
2158
2159 #ifdef HAVE_ADS
2160 /* for net ads leave, try to delete the account. If it works,
2161 no sense in disabling. If it fails, we can still try to
2162 disable it. jmcd */
2163
2164 if (r->in.delete_machine_account) {
2165 ADS_STATUS ads_status;
2166 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2167 if (ADS_ERR_OK(ads_status)) {
2168 /* dirty hack */
2169 r->out.dns_domain_name =
2170 talloc_strdup(mem_ctx,
2171 r->in.ads->server.realm);
2172 ads_status =
2173 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2174 }
2175 if (!ADS_ERR_OK(ads_status)) {
2176 libnet_unjoin_set_error_string(mem_ctx, r,
2177 "failed to remove machine account from AD: %s",
2178 ads_errstr(ads_status));
2179 } else {
2180 r->out.deleted_machine_account = true;
2181 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2182 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2183 return WERR_OK;
2184 }
2185 }
2186 #endif /* HAVE_ADS */
2187
2188 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2189 "disable". */
2190 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2191 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2192 if (!NT_STATUS_IS_OK(status)) {
2193 libnet_unjoin_set_error_string(mem_ctx, r,
2194 "failed to disable machine account via rpc: %s",
2195 get_friendly_nt_error_msg(status));
2196 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2197 return WERR_SETUP_NOT_JOINED;
2198 }
2199 return ntstatus_to_werror(status);
2200 }
2201
2202 r->out.disabled_machine_account = true;
2203 }
2204
2205 /* If disable succeeded or was not requested at all, we
2206 should be getting rid of our end of things */
2207
2208 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2209
2210 return WERR_OK;
2211 }
2212
2213 /****************************************************************
2214 ****************************************************************/
2215
2216 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2217 struct libnet_UnjoinCtx *r)
2218 {
2219 if (!r->in.domain_name) {
2220 libnet_unjoin_set_error_string(mem_ctx, r,
2221 "No domain name defined");
2222 return WERR_INVALID_PARAM;
2223 }
2224
2225 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2226 &r->in.domain_name,
2227 &r->in.dc_name)) {
2228 libnet_unjoin_set_error_string(mem_ctx, r,
2229 "Failed to parse domain name");
2230 return WERR_INVALID_PARAM;
2231 }
2232
2233 if (IS_DC) {
2234 return WERR_SETUP_DOMAIN_CONTROLLER;
2235 }
2236
2237 if (!secrets_init()) {
2238 libnet_unjoin_set_error_string(mem_ctx, r,
2239 "Unable to open secrets database");
2240 return WERR_CAN_NOT_COMPLETE;
2241 }
2242
2243 return WERR_OK;
2244 }
2245
2246 /****************************************************************
2247 ****************************************************************/
2248
2249 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2250 struct libnet_UnjoinCtx *r)
2251 {
2252 saf_delete(r->out.netbios_domain_name);
2253 saf_delete(r->out.dns_domain_name);
2254
2255 return libnet_unjoin_config(r);
2256 }
2257
2258 /****************************************************************
2259 ****************************************************************/
2260
2261 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2262 struct libnet_UnjoinCtx *r)
2263 {
2264 WERROR werr;
2265
2266 if (r->in.debug) {
2267 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2268 }
2269
2270 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2271 if (!W_ERROR_IS_OK(werr)) {
2272 goto done;
2273 }
2274
2275 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2276 werr = libnet_DomainUnjoin(mem_ctx, r);
2277 if (!W_ERROR_IS_OK(werr)) {
2278 libnet_unjoin_config(r);
2279 goto done;
2280 }
2281 }
2282
2283 werr = libnet_unjoin_post_processing(mem_ctx, r);
2284 if (!W_ERROR_IS_OK(werr)) {
2285 goto done;
2286 }
2287
2288 done:
2289 r->out.result = werr;
2290
2291 if (r->in.debug) {
2292 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2293 }
2294
2295 return werr;
2296 }
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