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s3:modules:nfs4_acls remove unused mem_ctx parameter to smbacl4_fill_ace4
[Samba.git] / source3 / libnet / libnet_join.c
blobd6aa7937ee59bb2500a85948d9551d5b02a9585e
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "ads.h"
23 #include "librpc/gen_ndr/ndr_libnet_join.h"
24 #include "libnet/libnet_join.h"
25 #include "libcli/auth/libcli_auth.h"
26 #include "../librpc/gen_ndr/ndr_samr_c.h"
27 #include "rpc_client/init_samr.h"
28 #include "../librpc/gen_ndr/ndr_lsa_c.h"
29 #include "rpc_client/cli_lsarpc.h"
30 #include "../librpc/gen_ndr/ndr_netlogon.h"
31 #include "rpc_client/cli_netlogon.h"
32 #include "lib/smbconf/smbconf.h"
33 #include "lib/smbconf/smbconf_reg.h"
34 #include "../libds/common/flags.h"
35 #include "secrets.h"
36 #include "rpc_client/init_lsa.h"
37 #include "rpc_client/cli_pipe.h"
38 #include "../libcli/security/security.h"
39 #include "passdb.h"
40 #include "libsmb/libsmb.h"
41 #include "../libcli/smb/smbXcli_base.h"
42 #include "lib/param/loadparm.h"
43
44 /****************************************************************
45 ****************************************************************/
46
47 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
48 do { \
49 char *str = NULL; \
50 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
51 DEBUG(1,("libnet_Join:\n%s", str)); \
52 TALLOC_FREE(str); \
53 } while (0)
54
55 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
56 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
57 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
58 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
59
60 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
61 do { \
62 char *str = NULL; \
63 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
64 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
65 TALLOC_FREE(str); \
66 } while (0)
67
68 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
69 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
70 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
71 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
72
73 /****************************************************************
74 ****************************************************************/
75
76 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
77 struct libnet_JoinCtx *r,
78 const char *format, ...)
79 {
80 va_list args;
81
82 if (r->out.error_string) {
83 return;
84 }
85
86 va_start(args, format);
87 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
88 va_end(args);
89 }
90
91 /****************************************************************
92 ****************************************************************/
93
94 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
95 struct libnet_UnjoinCtx *r,
96 const char *format, ...)
97 {
98 va_list args;
99
100 if (r->out.error_string) {
101 return;
102 }
103
104 va_start(args, format);
105 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
106 va_end(args);
107 }
108
109 #ifdef HAVE_ADS
110
111 /****************************************************************
112 ****************************************************************/
113
114 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
115 const char *netbios_domain_name,
116 const char *dc_name,
117 const char *user_name,
118 const char *password,
119 ADS_STRUCT **ads)
120 {
121 ADS_STATUS status;
122 ADS_STRUCT *my_ads = NULL;
123 char *cp;
124
125 my_ads = ads_init(dns_domain_name,
126 netbios_domain_name,
127 dc_name);
128 if (!my_ads) {
129 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
130 }
131
132 if (user_name) {
133 SAFE_FREE(my_ads->auth.user_name);
134 my_ads->auth.user_name = SMB_STRDUP(user_name);
135 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
136 *cp++ = '\0';
137 SAFE_FREE(my_ads->auth.realm);
138 my_ads->auth.realm = smb_xstrdup(cp);
139 if (!strupper_m(my_ads->auth.realm)) {
140 ads_destroy(&my_ads);
141 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
142 }
143 }
144 }
145
146 if (password) {
147 SAFE_FREE(my_ads->auth.password);
148 my_ads->auth.password = SMB_STRDUP(password);
149 }
150
151 status = ads_connect_user_creds(my_ads);
152 if (!ADS_ERR_OK(status)) {
153 ads_destroy(&my_ads);
154 return status;
155 }
156
157 *ads = my_ads;
158 return ADS_SUCCESS;
159 }
160
161 /****************************************************************
162 ****************************************************************/
163
164 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
165 struct libnet_JoinCtx *r)
166 {
167 ADS_STATUS status;
168
169 status = libnet_connect_ads(r->out.dns_domain_name,
170 r->out.netbios_domain_name,
171 r->in.dc_name,
172 r->in.admin_account,
173 r->in.admin_password,
174 &r->in.ads);
175 if (!ADS_ERR_OK(status)) {
176 libnet_join_set_error_string(mem_ctx, r,
177 "failed to connect to AD: %s",
178 ads_errstr(status));
179 return status;
180 }
181
182 if (!r->out.netbios_domain_name) {
183 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
184 r->in.ads->server.workgroup);
185 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
186 }
187
188 if (!r->out.dns_domain_name) {
189 r->out.dns_domain_name = talloc_strdup(mem_ctx,
190 r->in.ads->config.realm);
191 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
192 }
193
194 r->out.domain_is_ad = true;
195
196 return ADS_SUCCESS;
197 }
198
199 /****************************************************************
200 ****************************************************************/
201
202 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
203 struct libnet_UnjoinCtx *r)
204 {
205 ADS_STATUS status;
206
207 status = libnet_connect_ads(r->in.domain_name,
208 r->in.domain_name,
209 r->in.dc_name,
210 r->in.admin_account,
211 r->in.admin_password,
212 &r->in.ads);
213 if (!ADS_ERR_OK(status)) {
214 libnet_unjoin_set_error_string(mem_ctx, r,
215 "failed to connect to AD: %s",
216 ads_errstr(status));
217 }
218
219 return status;
220 }
221
222 /****************************************************************
223 join a domain using ADS (LDAP mods)
224 ****************************************************************/
225
226 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
227 struct libnet_JoinCtx *r)
228 {
229 ADS_STATUS status;
230 LDAPMessage *res = NULL;
231 const char *attrs[] = { "dn", NULL };
232 bool moved = false;
233
234 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
235 if (!ADS_ERR_OK(status)) {
236 return status;
237 }
238
239 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
240 if (!ADS_ERR_OK(status)) {
241 return status;
242 }
243
244 if (ads_count_replies(r->in.ads, res) != 1) {
245 ads_msgfree(r->in.ads, res);
246 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
247 }
248
249 ads_msgfree(r->in.ads, res);
250
251 /* Attempt to create the machine account and bail if this fails.
252 Assume that the admin wants exactly what they requested */
253
254 status = ads_create_machine_acct(r->in.ads,
255 r->in.machine_name,
256 r->in.account_ou);
257
258 if (ADS_ERR_OK(status)) {
259 DEBUG(1,("machine account creation created\n"));
260 return status;
261 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
262 (status.err.rc == LDAP_ALREADY_EXISTS)) {
263 status = ADS_SUCCESS;
264 }
265
266 if (!ADS_ERR_OK(status)) {
267 DEBUG(1,("machine account creation failed\n"));
268 return status;
269 }
270
271 status = ads_move_machine_acct(r->in.ads,
272 r->in.machine_name,
273 r->in.account_ou,
274 &moved);
275 if (!ADS_ERR_OK(status)) {
276 DEBUG(1,("failure to locate/move pre-existing "
277 "machine account\n"));
278 return status;
279 }
280
281 DEBUG(1,("The machine account %s the specified OU.\n",
282 moved ? "was moved into" : "already exists in"));
283
284 return status;
285 }
286
287 /****************************************************************
288 ****************************************************************/
289
290 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
291 struct libnet_UnjoinCtx *r)
292 {
293 ADS_STATUS status;
294
295 if (!r->in.ads) {
296 status = libnet_unjoin_connect_ads(mem_ctx, r);
297 if (!ADS_ERR_OK(status)) {
298 libnet_unjoin_set_error_string(mem_ctx, r,
299 "failed to connect to AD: %s",
300 ads_errstr(status));
301 return status;
302 }
303 }
304
305 status = ads_leave_realm(r->in.ads, r->in.machine_name);
306 if (!ADS_ERR_OK(status)) {
307 libnet_unjoin_set_error_string(mem_ctx, r,
308 "failed to leave realm: %s",
309 ads_errstr(status));
310 return status;
311 }
312
313 return ADS_SUCCESS;
314 }
315
316 /****************************************************************
317 ****************************************************************/
318
319 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
320 struct libnet_JoinCtx *r)
321 {
322 ADS_STATUS status;
323 LDAPMessage *res = NULL;
324 char *dn = NULL;
325
326 if (!r->in.machine_name) {
327 return ADS_ERROR(LDAP_NO_MEMORY);
328 }
329
330 status = ads_find_machine_acct(r->in.ads,
331 &res,
332 r->in.machine_name);
333 if (!ADS_ERR_OK(status)) {
334 return status;
335 }
336
337 if (ads_count_replies(r->in.ads, res) != 1) {
338 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
339 goto done;
340 }
341
342 dn = ads_get_dn(r->in.ads, mem_ctx, res);
343 if (!dn) {
344 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
345 goto done;
346 }
347
348 r->out.dn = talloc_strdup(mem_ctx, dn);
349 if (!r->out.dn) {
350 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
351 goto done;
352 }
353
354 done:
355 ads_msgfree(r->in.ads, res);
356 TALLOC_FREE(dn);
357
358 return status;
359 }
360
361 /****************************************************************
362 Set a machines dNSHostName and servicePrincipalName attributes
363 ****************************************************************/
364
365 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
366 struct libnet_JoinCtx *r)
367 {
368 ADS_STATUS status;
369 ADS_MODLIST mods;
370 fstring my_fqdn;
371 const char *spn_array[3] = {NULL, NULL, NULL};
372 char *spn = NULL;
373
374 /* Find our DN */
375
376 status = libnet_join_find_machine_acct(mem_ctx, r);
377 if (!ADS_ERR_OK(status)) {
378 return status;
379 }
380
381 /* Windows only creates HOST/shortname & HOST/fqdn. */
382
383 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
384 if (!spn) {
385 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
386 }
387 if (!strupper_m(spn)) {
388 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
389 }
390 spn_array[0] = spn;
391
392 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
393 || (strchr(my_fqdn, '.') == NULL)) {
394 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
395 r->out.dns_domain_name);
396 }
397
398 if (!strlower_m(my_fqdn)) {
399 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
400 }
401
402 if (!strequal(my_fqdn, r->in.machine_name)) {
403 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
404 if (!spn) {
405 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
406 }
407 spn_array[1] = spn;
408 }
409
410 mods = ads_init_mods(mem_ctx);
411 if (!mods) {
412 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
413 }
414
415 /* fields of primary importance */
416
417 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
418 if (!ADS_ERR_OK(status)) {
419 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
420 }
421
422 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
423 spn_array);
424 if (!ADS_ERR_OK(status)) {
425 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
426 }
427
428 return ads_gen_mod(r->in.ads, r->out.dn, mods);
429 }
430
431 /****************************************************************
432 ****************************************************************/
433
434 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
435 struct libnet_JoinCtx *r)
436 {
437 ADS_STATUS status;
438 ADS_MODLIST mods;
439
440 if (!r->in.create_upn) {
441 return ADS_SUCCESS;
442 }
443
444 /* Find our DN */
445
446 status = libnet_join_find_machine_acct(mem_ctx, r);
447 if (!ADS_ERR_OK(status)) {
448 return status;
449 }
450
451 if (!r->in.upn) {
452 r->in.upn = talloc_asprintf(mem_ctx,
453 "host/%s@%s",
454 r->in.machine_name,
455 r->out.dns_domain_name);
456 if (!r->in.upn) {
457 return ADS_ERROR(LDAP_NO_MEMORY);
458 }
459 }
460
461 /* now do the mods */
462
463 mods = ads_init_mods(mem_ctx);
464 if (!mods) {
465 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
466 }
467
468 /* fields of primary importance */
469
470 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
471 if (!ADS_ERR_OK(status)) {
472 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
473 }
474
475 return ads_gen_mod(r->in.ads, r->out.dn, mods);
476 }
477
478
479 /****************************************************************
480 ****************************************************************/
481
482 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
483 struct libnet_JoinCtx *r)
484 {
485 ADS_STATUS status;
486 ADS_MODLIST mods;
487 char *os_sp = NULL;
488
489 if (!r->in.os_name || !r->in.os_version ) {
490 return ADS_SUCCESS;
491 }
492
493 /* Find our DN */
494
495 status = libnet_join_find_machine_acct(mem_ctx, r);
496 if (!ADS_ERR_OK(status)) {
497 return status;
498 }
499
500 /* now do the mods */
501
502 mods = ads_init_mods(mem_ctx);
503 if (!mods) {
504 return ADS_ERROR(LDAP_NO_MEMORY);
505 }
506
507 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
508 if (!os_sp) {
509 return ADS_ERROR(LDAP_NO_MEMORY);
510 }
511
512 /* fields of primary importance */
513
514 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
515 r->in.os_name);
516 if (!ADS_ERR_OK(status)) {
517 return status;
518 }
519
520 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
521 r->in.os_version);
522 if (!ADS_ERR_OK(status)) {
523 return status;
524 }
525
526 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
527 os_sp);
528 if (!ADS_ERR_OK(status)) {
529 return status;
530 }
531
532 return ads_gen_mod(r->in.ads, r->out.dn, mods);
533 }
534
535 /****************************************************************
536 ****************************************************************/
537
538 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
539 struct libnet_JoinCtx *r)
540 {
541 if (!USE_SYSTEM_KEYTAB) {
542 return true;
543 }
544
545 if (ads_keytab_create_default(r->in.ads) != 0) {
546 return false;
547 }
548
549 return true;
550 }
551
552 /****************************************************************
553 ****************************************************************/
554
555 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
556 struct libnet_JoinCtx *r)
557 {
558 uint32_t domain_func;
559 ADS_STATUS status;
560 const char *salt = NULL;
561 char *std_salt = NULL;
562
563 status = ads_domain_func_level(r->in.ads, &domain_func);
564 if (!ADS_ERR_OK(status)) {
565 libnet_join_set_error_string(mem_ctx, r,
566 "failed to determine domain functional level: %s",
567 ads_errstr(status));
568 return false;
569 }
570
571 /* go ahead and setup the default salt */
572
573 std_salt = kerberos_standard_des_salt();
574 if (!std_salt) {
575 libnet_join_set_error_string(mem_ctx, r,
576 "failed to obtain standard DES salt");
577 return false;
578 }
579
580 salt = talloc_strdup(mem_ctx, std_salt);
581 if (!salt) {
582 return false;
583 }
584
585 SAFE_FREE(std_salt);
586
587 /* if it's a Windows functional domain, we have to look for the UPN */
588
589 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
590 char *upn;
591
592 upn = ads_get_upn(r->in.ads, mem_ctx,
593 r->in.machine_name);
594 if (upn) {
595 salt = talloc_strdup(mem_ctx, upn);
596 if (!salt) {
597 return false;
598 }
599 }
600 }
601
602 return kerberos_secrets_store_des_salt(salt);
603 }
604
605 /****************************************************************
606 ****************************************************************/
607
608 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
609 struct libnet_JoinCtx *r)
610 {
611 ADS_STATUS status;
612
613 if (!r->in.ads) {
614 status = libnet_join_connect_ads(mem_ctx, r);
615 if (!ADS_ERR_OK(status)) {
616 return status;
617 }
618 }
619
620 status = libnet_join_set_machine_spn(mem_ctx, r);
621 if (!ADS_ERR_OK(status)) {
622 libnet_join_set_error_string(mem_ctx, r,
623 "failed to set machine spn: %s",
624 ads_errstr(status));
625 return status;
626 }
627
628 status = libnet_join_set_os_attributes(mem_ctx, r);
629 if (!ADS_ERR_OK(status)) {
630 libnet_join_set_error_string(mem_ctx, r,
631 "failed to set machine os attributes: %s",
632 ads_errstr(status));
633 return status;
634 }
635
636 status = libnet_join_set_machine_upn(mem_ctx, r);
637 if (!ADS_ERR_OK(status)) {
638 libnet_join_set_error_string(mem_ctx, r,
639 "failed to set machine upn: %s",
640 ads_errstr(status));
641 return status;
642 }
643
644 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
645 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
646 }
647
648 if (!libnet_join_create_keytab(mem_ctx, r)) {
649 libnet_join_set_error_string(mem_ctx, r,
650 "failed to create kerberos keytab");
651 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
652 }
653
654 return ADS_SUCCESS;
655 }
656 #endif /* HAVE_ADS */
657
658 /****************************************************************
659 Store the machine password and domain SID
660 ****************************************************************/
661
662 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
663 struct libnet_JoinCtx *r)
664 {
665 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
666 r->out.domain_sid))
667 {
668 DEBUG(1,("Failed to save domain sid\n"));
669 return false;
670 }
671
672 if (!secrets_store_machine_password(r->in.machine_password,
673 r->out.netbios_domain_name,
674 r->in.secure_channel_type))
675 {
676 DEBUG(1,("Failed to save machine password\n"));
677 return false;
678 }
679
680 return true;
681 }
682
683 /****************************************************************
684 Connect dc's IPC$ share
685 ****************************************************************/
686
687 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
688 const char *user,
689 const char *pass,
690 bool use_kerberos,
691 struct cli_state **cli)
692 {
693 int flags = 0;
694
695 if (use_kerberos) {
696 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
697 }
698
699 if (use_kerberos && pass) {
700 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
701 }
702
703 return cli_full_connection(cli, NULL,
704 dc,
705 NULL, 0,
706 "IPC$", "IPC",
707 user,
708 NULL,
709 pass,
710 flags,
711 SMB_SIGNING_DEFAULT);
712 }
713
714 /****************************************************************
715 Lookup domain dc's info
716 ****************************************************************/
717
718 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
719 struct libnet_JoinCtx *r,
720 struct cli_state **cli)
721 {
722 struct rpc_pipe_client *pipe_hnd = NULL;
723 struct policy_handle lsa_pol;
724 NTSTATUS status, result;
725 union lsa_PolicyInformation *info = NULL;
726 struct dcerpc_binding_handle *b;
727
728 status = libnet_join_connect_dc_ipc(r->in.dc_name,
729 r->in.admin_account,
730 r->in.admin_password,
731 r->in.use_kerberos,
732 cli);
733 if (!NT_STATUS_IS_OK(status)) {
734 goto done;
735 }
736
737 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
738 &pipe_hnd);
739 if (!NT_STATUS_IS_OK(status)) {
740 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
741 nt_errstr(status)));
742 goto done;
743 }
744
745 b = pipe_hnd->binding_handle;
746
747 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
748 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
749 if (!NT_STATUS_IS_OK(status)) {
750 goto done;
751 }
752
753 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
754 &lsa_pol,
755 LSA_POLICY_INFO_DNS,
756 &info,
757 &result);
758 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
759 r->out.domain_is_ad = true;
760 r->out.netbios_domain_name = info->dns.name.string;
761 r->out.dns_domain_name = info->dns.dns_domain.string;
762 r->out.forest_name = info->dns.dns_forest.string;
763 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
764 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
765 }
766
767 if (!NT_STATUS_IS_OK(status)) {
768 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
769 &lsa_pol,
770 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
771 &info,
772 &result);
773 if (!NT_STATUS_IS_OK(status)) {
774 goto done;
775 }
776 if (!NT_STATUS_IS_OK(result)) {
777 status = result;
778 goto done;
779 }
780
781 r->out.netbios_domain_name = info->account_domain.name.string;
782 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
783 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
784 }
785
786 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
787 TALLOC_FREE(pipe_hnd);
788
789 done:
790 return status;
791 }
792
793 /****************************************************************
794 Do the domain join unsecure
795 ****************************************************************/
796
797 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
798 struct libnet_JoinCtx *r,
799 struct cli_state *cli)
800 {
801 struct rpc_pipe_client *pipe_hnd = NULL;
802 unsigned char orig_trust_passwd_hash[16];
803 unsigned char new_trust_passwd_hash[16];
804 fstring trust_passwd;
805 NTSTATUS status;
806
807 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
808 &pipe_hnd);
809 if (!NT_STATUS_IS_OK(status)) {
810 return status;
811 }
812
813 if (!r->in.machine_password) {
814 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
815 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
816 }
817
818 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
819
820 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
821 fstrcpy(trust_passwd, r->in.admin_password);
822 if (!strlower_m(trust_passwd)) {
823 return NT_STATUS_INVALID_PARAMETER;
824 }
825
826 /*
827 * Machine names can be 15 characters, but the max length on
828 * a password is 14. --jerry
829 */
830
831 trust_passwd[14] = '\0';
832
833 E_md4hash(trust_passwd, orig_trust_passwd_hash);
834
835 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
836 r->in.machine_name,
837 orig_trust_passwd_hash,
838 r->in.machine_password,
839 new_trust_passwd_hash,
840 r->in.secure_channel_type);
841
842 return status;
843 }
844
845 /****************************************************************
846 Do the domain join
847 ****************************************************************/
848
849 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
850 struct libnet_JoinCtx *r,
851 struct cli_state *cli)
852 {
853 struct rpc_pipe_client *pipe_hnd = NULL;
854 struct policy_handle sam_pol, domain_pol, user_pol;
855 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
856 char *acct_name;
857 struct lsa_String lsa_acct_name;
858 uint32_t user_rid;
859 uint32_t acct_flags = ACB_WSTRUST;
860 struct samr_Ids user_rids;
861 struct samr_Ids name_types;
862 union samr_UserInfo user_info;
863 struct dcerpc_binding_handle *b = NULL;
864
865 DATA_BLOB session_key = data_blob_null;
866 struct samr_CryptPassword crypt_pwd;
867 struct samr_CryptPasswordEx crypt_pwd_ex;
868
869 ZERO_STRUCT(sam_pol);
870 ZERO_STRUCT(domain_pol);
871 ZERO_STRUCT(user_pol);
872
873 switch (r->in.secure_channel_type) {
874 case SEC_CHAN_WKSTA:
875 acct_flags = ACB_WSTRUST;
876 break;
877 case SEC_CHAN_BDC:
878 acct_flags = ACB_SVRTRUST;
879 break;
880 default:
881 return NT_STATUS_INVALID_PARAMETER;
882 }
883
884 if (!r->in.machine_password) {
885 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
886 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
887 }
888
889 /* Open the domain */
890
891 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
892 &pipe_hnd);
893 if (!NT_STATUS_IS_OK(status)) {
894 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
895 nt_errstr(status)));
896 goto done;
897 }
898
899 b = pipe_hnd->binding_handle;
900
901 status = cli_get_session_key(mem_ctx, pipe_hnd, &session_key);
902 if (!NT_STATUS_IS_OK(status)) {
903 DEBUG(0,("Error getting session_key of SAM pipe. Error was %s\n",
904 nt_errstr(status)));
905 goto done;
906 }
907
908 status = dcerpc_samr_Connect2(b, mem_ctx,
909 pipe_hnd->desthost,
910 SAMR_ACCESS_ENUM_DOMAINS
911 | SAMR_ACCESS_LOOKUP_DOMAIN,
912 &sam_pol,
913 &result);
914 if (!NT_STATUS_IS_OK(status)) {
915 goto done;
916 }
917 if (!NT_STATUS_IS_OK(result)) {
918 status = result;
919 goto done;
920 }
921
922 status = dcerpc_samr_OpenDomain(b, mem_ctx,
923 &sam_pol,
924 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
925 | SAMR_DOMAIN_ACCESS_CREATE_USER
926 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
927 r->out.domain_sid,
928 &domain_pol,
929 &result);
930 if (!NT_STATUS_IS_OK(status)) {
931 goto done;
932 }
933 if (!NT_STATUS_IS_OK(result)) {
934 status = result;
935 goto done;
936 }
937
938 /* Create domain user */
939
940 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
941 if (!strlower_m(acct_name)) {
942 status = NT_STATUS_INVALID_PARAMETER;
943 goto done;
944 }
945
946 init_lsa_String(&lsa_acct_name, acct_name);
947
948 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
949 uint32_t access_desired =
950 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
951 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
952 SAMR_USER_ACCESS_SET_PASSWORD |
953 SAMR_USER_ACCESS_GET_ATTRIBUTES |
954 SAMR_USER_ACCESS_SET_ATTRIBUTES;
955 uint32_t access_granted = 0;
956
957 DEBUG(10,("Creating account with desired access mask: %d\n",
958 access_desired));
959
960 status = dcerpc_samr_CreateUser2(b, mem_ctx,
961 &domain_pol,
962 &lsa_acct_name,
963 acct_flags,
964 access_desired,
965 &user_pol,
966 &access_granted,
967 &user_rid,
968 &result);
969 if (!NT_STATUS_IS_OK(status)) {
970 goto done;
971 }
972
973 status = result;
974 if (!NT_STATUS_IS_OK(status) &&
975 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
976
977 DEBUG(10,("Creation of workstation account failed: %s\n",
978 nt_errstr(status)));
979
980 /* If NT_STATUS_ACCESS_DENIED then we have a valid
981 username/password combo but the user does not have
982 administrator access. */
983
984 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
985 libnet_join_set_error_string(mem_ctx, r,
986 "User specified does not have "
987 "administrator privileges");
988 }
989
990 goto done;
991 }
992
993 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
994 if (!(r->in.join_flags &
995 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
996 goto done;
997 }
998 }
999
1000 /* We *must* do this.... don't ask... */
1001
1002 if (NT_STATUS_IS_OK(status)) {
1003 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1004 }
1005 }
1006
1007 status = dcerpc_samr_LookupNames(b, mem_ctx,
1008 &domain_pol,
1009 1,
1010 &lsa_acct_name,
1011 &user_rids,
1012 &name_types,
1013 &result);
1014 if (!NT_STATUS_IS_OK(status)) {
1015 goto done;
1016 }
1017 if (!NT_STATUS_IS_OK(result)) {
1018 status = result;
1019 goto done;
1020 }
1021
1022 if (name_types.ids[0] != SID_NAME_USER) {
1023 DEBUG(0,("%s is not a user account (type=%d)\n",
1024 acct_name, name_types.ids[0]));
1025 status = NT_STATUS_INVALID_WORKSTATION;
1026 goto done;
1027 }
1028
1029 user_rid = user_rids.ids[0];
1030
1031 /* Open handle on user */
1032
1033 status = dcerpc_samr_OpenUser(b, mem_ctx,
1034 &domain_pol,
1035 SEC_FLAG_MAXIMUM_ALLOWED,
1036 user_rid,
1037 &user_pol,
1038 &result);
1039 if (!NT_STATUS_IS_OK(status)) {
1040 goto done;
1041 }
1042 if (!NT_STATUS_IS_OK(result)) {
1043 status = result;
1044 goto done;
1045 }
1046
1047 /* Fill in the additional account flags now */
1048
1049 acct_flags |= ACB_PWNOEXP;
1050
1051 /* Set account flags on machine account */
1052 ZERO_STRUCT(user_info.info16);
1053 user_info.info16.acct_flags = acct_flags;
1054
1055 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1056 &user_pol,
1057 16,
1058 &user_info,
1059 &result);
1060 if (!NT_STATUS_IS_OK(status)) {
1061 dcerpc_samr_DeleteUser(b, mem_ctx,
1062 &user_pol,
1063 &result);
1064
1065 libnet_join_set_error_string(mem_ctx, r,
1066 "Failed to set account flags for machine account (%s)\n",
1067 nt_errstr(status));
1068 goto done;
1069 }
1070
1071 if (!NT_STATUS_IS_OK(result)) {
1072 status = result;
1073
1074 dcerpc_samr_DeleteUser(b, mem_ctx,
1075 &user_pol,
1076 &result);
1077
1078 libnet_join_set_error_string(mem_ctx, r,
1079 "Failed to set account flags for machine account (%s)\n",
1080 nt_errstr(status));
1081 goto done;
1082 }
1083
1084 /* Set password on machine account - first try level 26 */
1085
1086 init_samr_CryptPasswordEx(r->in.machine_password,
1087 &session_key,
1088 &crypt_pwd_ex);
1089
1090 user_info.info26.password = crypt_pwd_ex;
1091 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1092
1093 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1094 &user_pol,
1095 26,
1096 &user_info,
1097 &result);
1098
1099 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
1100
1101 /* retry with level 24 */
1102
1103 init_samr_CryptPassword(r->in.machine_password,
1104 &session_key,
1105 &crypt_pwd);
1106
1107 user_info.info24.password = crypt_pwd;
1108 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1109
1110 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1111 &user_pol,
1112 24,
1113 &user_info,
1114 &result);
1115 }
1116
1117 if (!NT_STATUS_IS_OK(status)) {
1118
1119 dcerpc_samr_DeleteUser(b, mem_ctx,
1120 &user_pol,
1121 &result);
1122
1123 libnet_join_set_error_string(mem_ctx, r,
1124 "Failed to set password for machine account (%s)\n",
1125 nt_errstr(status));
1126 goto done;
1127 }
1128 if (!NT_STATUS_IS_OK(result)) {
1129 status = result;
1130
1131 dcerpc_samr_DeleteUser(b, mem_ctx,
1132 &user_pol,
1133 &result);
1134
1135 libnet_join_set_error_string(mem_ctx, r,
1136 "Failed to set password for machine account (%s)\n",
1137 nt_errstr(status));
1138 goto done;
1139 }
1140
1141 status = NT_STATUS_OK;
1142
1143 done:
1144 if (!pipe_hnd) {
1145 return status;
1146 }
1147
1148 data_blob_clear_free(&session_key);
1149
1150 if (is_valid_policy_hnd(&sam_pol)) {
1151 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1152 }
1153 if (is_valid_policy_hnd(&domain_pol)) {
1154 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1155 }
1156 if (is_valid_policy_hnd(&user_pol)) {
1157 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1158 }
1159 TALLOC_FREE(pipe_hnd);
1160
1161 return status;
1162 }
1163
1164 /****************************************************************
1165 ****************************************************************/
1166
1167 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1168 const char *machine_name,
1169 const char *dc_name)
1170 {
1171 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1172 struct cli_state *cli = NULL;
1173 struct rpc_pipe_client *pipe_hnd = NULL;
1174 struct rpc_pipe_client *netlogon_pipe = NULL;
1175 NTSTATUS status;
1176 char *machine_password = NULL;
1177 char *machine_account = NULL;
1178
1179 if (!dc_name) {
1180 return NT_STATUS_INVALID_PARAMETER;
1181 }
1182
1183 if (!secrets_init()) {
1184 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1185 }
1186
1187 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1188 NULL, NULL);
1189 if (!machine_password) {
1190 return NT_STATUS_NO_TRUST_LSA_SECRET;
1191 }
1192
1193 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1194 SAFE_FREE(machine_password);
1195 return NT_STATUS_NO_MEMORY;
1196 }
1197
1198 status = cli_full_connection(&cli, NULL,
1199 dc_name,
1200 NULL, 0,
1201 "IPC$", "IPC",
1202 machine_account,
1203 NULL,
1204 machine_password,
1205 0,
1206 SMB_SIGNING_DEFAULT);
1207 free(machine_account);
1208 free(machine_password);
1209
1210 if (!NT_STATUS_IS_OK(status)) {
1211 status = cli_full_connection(&cli, NULL,
1212 dc_name,
1213 NULL, 0,
1214 "IPC$", "IPC",
1215 "",
1216 NULL,
1217 "",
1218 0,
1219 SMB_SIGNING_DEFAULT);
1220 }
1221
1222 if (!NT_STATUS_IS_OK(status)) {
1223 return status;
1224 }
1225
1226 status = get_schannel_session_key(cli, netbios_domain_name,
1227 &neg_flags, &netlogon_pipe);
1228 if (!NT_STATUS_IS_OK(status)) {
1229 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1230 cli_shutdown(cli);
1231 return NT_STATUS_OK;
1232 }
1233
1234 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1235 "key from server %s for domain %s. Error was %s\n",
1236 smbXcli_conn_remote_name(cli->conn),
1237 netbios_domain_name, nt_errstr(status)));
1238 cli_shutdown(cli);
1239 return status;
1240 }
1241
1242 if (!lp_client_schannel()) {
1243 cli_shutdown(cli);
1244 return NT_STATUS_OK;
1245 }
1246
1247 status = cli_rpc_pipe_open_schannel_with_key(
1248 cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1249 DCERPC_AUTH_LEVEL_PRIVACY,
1250 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1251
1252 cli_shutdown(cli);
1253
1254 if (!NT_STATUS_IS_OK(status)) {
1255 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1256 "on netlogon pipe to server %s for domain %s. "
1257 "Error was %s\n",
1258 smbXcli_conn_remote_name(cli->conn),
1259 netbios_domain_name, nt_errstr(status)));
1260 return status;
1261 }
1262
1263 return NT_STATUS_OK;
1264 }
1265
1266 /****************************************************************
1267 ****************************************************************/
1268
1269 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1270 struct libnet_JoinCtx *r)
1271 {
1272 NTSTATUS status;
1273
1274 status = libnet_join_ok(r->out.netbios_domain_name,
1275 r->in.machine_name,
1276 r->in.dc_name);
1277 if (!NT_STATUS_IS_OK(status)) {
1278 libnet_join_set_error_string(mem_ctx, r,
1279 "failed to verify domain membership after joining: %s",
1280 get_friendly_nt_error_msg(status));
1281 return WERR_SETUP_NOT_JOINED;
1282 }
1283
1284 return WERR_OK;
1285 }
1286
1287 /****************************************************************
1288 ****************************************************************/
1289
1290 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1291 struct libnet_UnjoinCtx *r)
1292 {
1293 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1294 return false;
1295 }
1296
1297 if (!secrets_delete_domain_sid(lp_workgroup())) {
1298 return false;
1299 }
1300
1301 return true;
1302 }
1303
1304 /****************************************************************
1305 ****************************************************************/
1306
1307 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1308 struct libnet_UnjoinCtx *r)
1309 {
1310 struct cli_state *cli = NULL;
1311 struct rpc_pipe_client *pipe_hnd = NULL;
1312 struct policy_handle sam_pol, domain_pol, user_pol;
1313 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1314 char *acct_name;
1315 uint32_t user_rid;
1316 struct lsa_String lsa_acct_name;
1317 struct samr_Ids user_rids;
1318 struct samr_Ids name_types;
1319 union samr_UserInfo *info = NULL;
1320 struct dcerpc_binding_handle *b = NULL;
1321
1322 ZERO_STRUCT(sam_pol);
1323 ZERO_STRUCT(domain_pol);
1324 ZERO_STRUCT(user_pol);
1325
1326 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1327 r->in.admin_account,
1328 r->in.admin_password,
1329 r->in.use_kerberos,
1330 &cli);
1331 if (!NT_STATUS_IS_OK(status)) {
1332 goto done;
1333 }
1334
1335 /* Open the domain */
1336
1337 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1338 &pipe_hnd);
1339 if (!NT_STATUS_IS_OK(status)) {
1340 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1341 nt_errstr(status)));
1342 goto done;
1343 }
1344
1345 b = pipe_hnd->binding_handle;
1346
1347 status = dcerpc_samr_Connect2(b, mem_ctx,
1348 pipe_hnd->desthost,
1349 SEC_FLAG_MAXIMUM_ALLOWED,
1350 &sam_pol,
1351 &result);
1352 if (!NT_STATUS_IS_OK(status)) {
1353 goto done;
1354 }
1355 if (!NT_STATUS_IS_OK(result)) {
1356 status = result;
1357 goto done;
1358 }
1359
1360 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1361 &sam_pol,
1362 SEC_FLAG_MAXIMUM_ALLOWED,
1363 r->in.domain_sid,
1364 &domain_pol,
1365 &result);
1366 if (!NT_STATUS_IS_OK(status)) {
1367 goto done;
1368 }
1369 if (!NT_STATUS_IS_OK(result)) {
1370 status = result;
1371 goto done;
1372 }
1373
1374 /* Create domain user */
1375
1376 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1377 if (!strlower_m(acct_name)) {
1378 status = NT_STATUS_INVALID_PARAMETER;
1379 goto done;
1380 }
1381
1382 init_lsa_String(&lsa_acct_name, acct_name);
1383
1384 status = dcerpc_samr_LookupNames(b, mem_ctx,
1385 &domain_pol,
1386 1,
1387 &lsa_acct_name,
1388 &user_rids,
1389 &name_types,
1390 &result);
1391
1392 if (!NT_STATUS_IS_OK(status)) {
1393 goto done;
1394 }
1395 if (!NT_STATUS_IS_OK(result)) {
1396 status = result;
1397 goto done;
1398 }
1399
1400 if (name_types.ids[0] != SID_NAME_USER) {
1401 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1402 name_types.ids[0]));
1403 status = NT_STATUS_INVALID_WORKSTATION;
1404 goto done;
1405 }
1406
1407 user_rid = user_rids.ids[0];
1408
1409 /* Open handle on user */
1410
1411 status = dcerpc_samr_OpenUser(b, mem_ctx,
1412 &domain_pol,
1413 SEC_FLAG_MAXIMUM_ALLOWED,
1414 user_rid,
1415 &user_pol,
1416 &result);
1417 if (!NT_STATUS_IS_OK(status)) {
1418 goto done;
1419 }
1420 if (!NT_STATUS_IS_OK(result)) {
1421 status = result;
1422 goto done;
1423 }
1424
1425 /* Get user info */
1426
1427 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1428 &user_pol,
1429 16,
1430 &info,
1431 &result);
1432 if (!NT_STATUS_IS_OK(status)) {
1433 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1434 goto done;
1435 }
1436 if (!NT_STATUS_IS_OK(result)) {
1437 status = result;
1438 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1439 goto done;
1440 }
1441
1442 /* now disable and setuser info */
1443
1444 info->info16.acct_flags |= ACB_DISABLED;
1445
1446 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1447 &user_pol,
1448 16,
1449 info,
1450 &result);
1451 if (!NT_STATUS_IS_OK(status)) {
1452 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1453 goto done;
1454 }
1455 if (!NT_STATUS_IS_OK(result)) {
1456 status = result;
1457 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1458 goto done;
1459 }
1460 status = result;
1461 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1462
1463 done:
1464 if (pipe_hnd && b) {
1465 if (is_valid_policy_hnd(&domain_pol)) {
1466 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1467 }
1468 if (is_valid_policy_hnd(&sam_pol)) {
1469 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1470 }
1471 TALLOC_FREE(pipe_hnd);
1472 }
1473
1474 if (cli) {
1475 cli_shutdown(cli);
1476 }
1477
1478 return status;
1479 }
1480
1481 /****************************************************************
1482 ****************************************************************/
1483
1484 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1485 {
1486 WERROR werr = WERR_OK;
1487 sbcErr err;
1488 struct smbconf_ctx *ctx;
1489
1490 err = smbconf_init_reg(r, &ctx, NULL);
1491 if (!SBC_ERROR_IS_OK(err)) {
1492 werr = WERR_NO_SUCH_SERVICE;
1493 goto done;
1494 }
1495
1496 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1497
1498 err = smbconf_set_global_parameter(ctx, "security", "user");
1499 if (!SBC_ERROR_IS_OK(err)) {
1500 werr = WERR_NO_SUCH_SERVICE;
1501 goto done;
1502 }
1503
1504 err = smbconf_set_global_parameter(ctx, "workgroup",
1505 r->in.domain_name);
1506 if (!SBC_ERROR_IS_OK(err)) {
1507 werr = WERR_NO_SUCH_SERVICE;
1508 goto done;
1509 }
1510
1511 smbconf_delete_global_parameter(ctx, "realm");
1512 goto done;
1513 }
1514
1515 err = smbconf_set_global_parameter(ctx, "security", "domain");
1516 if (!SBC_ERROR_IS_OK(err)) {
1517 werr = WERR_NO_SUCH_SERVICE;
1518 goto done;
1519 }
1520
1521 err = smbconf_set_global_parameter(ctx, "workgroup",
1522 r->out.netbios_domain_name);
1523 if (!SBC_ERROR_IS_OK(err)) {
1524 werr = WERR_NO_SUCH_SERVICE;
1525 goto done;
1526 }
1527
1528 if (r->out.domain_is_ad) {
1529 err = smbconf_set_global_parameter(ctx, "security", "ads");
1530 if (!SBC_ERROR_IS_OK(err)) {
1531 werr = WERR_NO_SUCH_SERVICE;
1532 goto done;
1533 }
1534
1535 err = smbconf_set_global_parameter(ctx, "realm",
1536 r->out.dns_domain_name);
1537 if (!SBC_ERROR_IS_OK(err)) {
1538 werr = WERR_NO_SUCH_SERVICE;
1539 goto done;
1540 }
1541 }
1542
1543 done:
1544 smbconf_shutdown(ctx);
1545 return werr;
1546 }
1547
1548 /****************************************************************
1549 ****************************************************************/
1550
1551 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1552 {
1553 WERROR werr = WERR_OK;
1554 sbcErr err;
1555 struct smbconf_ctx *ctx;
1556
1557 err = smbconf_init_reg(r, &ctx, NULL);
1558 if (!SBC_ERROR_IS_OK(err)) {
1559 werr = WERR_NO_SUCH_SERVICE;
1560 goto done;
1561 }
1562
1563 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1564
1565 err = smbconf_set_global_parameter(ctx, "security", "user");
1566 if (!SBC_ERROR_IS_OK(err)) {
1567 werr = WERR_NO_SUCH_SERVICE;
1568 goto done;
1569 }
1570
1571 err = smbconf_delete_global_parameter(ctx, "workgroup");
1572 if (!SBC_ERROR_IS_OK(err)) {
1573 werr = WERR_NO_SUCH_SERVICE;
1574 goto done;
1575 }
1576
1577 smbconf_delete_global_parameter(ctx, "realm");
1578 }
1579
1580 done:
1581 smbconf_shutdown(ctx);
1582 return werr;
1583 }
1584
1585 /****************************************************************
1586 ****************************************************************/
1587
1588 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1589 {
1590 WERROR werr;
1591
1592 if (!W_ERROR_IS_OK(r->out.result)) {
1593 return r->out.result;
1594 }
1595
1596 if (!r->in.modify_config) {
1597 return WERR_OK;
1598 }
1599
1600 werr = do_join_modify_vals_config(r);
1601 if (!W_ERROR_IS_OK(werr)) {
1602 return werr;
1603 }
1604
1605 lp_load_global(get_dyn_CONFIGFILE());
1606
1607 r->out.modified_config = true;
1608 r->out.result = werr;
1609
1610 return werr;
1611 }
1612
1613 /****************************************************************
1614 ****************************************************************/
1615
1616 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1617 {
1618 WERROR werr;
1619
1620 if (!W_ERROR_IS_OK(r->out.result)) {
1621 return r->out.result;
1622 }
1623
1624 if (!r->in.modify_config) {
1625 return WERR_OK;
1626 }
1627
1628 werr = do_unjoin_modify_vals_config(r);
1629 if (!W_ERROR_IS_OK(werr)) {
1630 return werr;
1631 }
1632
1633 lp_load_global(get_dyn_CONFIGFILE());
1634
1635 r->out.modified_config = true;
1636 r->out.result = werr;
1637
1638 return werr;
1639 }
1640
1641 /****************************************************************
1642 ****************************************************************/
1643
1644 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1645 const char *domain_str,
1646 const char **domain_p,
1647 const char **dc_p)
1648 {
1649 char *domain = NULL;
1650 char *dc = NULL;
1651 const char *p = NULL;
1652
1653 if (!domain_str || !domain_p || !dc_p) {
1654 return false;
1655 }
1656
1657 p = strchr_m(domain_str, '\\');
1658
1659 if (p != NULL) {
1660 domain = talloc_strndup(mem_ctx, domain_str,
1661 PTR_DIFF(p, domain_str));
1662 dc = talloc_strdup(mem_ctx, p+1);
1663 if (!dc) {
1664 return false;
1665 }
1666 } else {
1667 domain = talloc_strdup(mem_ctx, domain_str);
1668 dc = NULL;
1669 }
1670 if (!domain) {
1671 return false;
1672 }
1673
1674 *domain_p = domain;
1675
1676 if (!*dc_p && dc) {
1677 *dc_p = dc;
1678 }
1679
1680 return true;
1681 }
1682
1683 /****************************************************************
1684 ****************************************************************/
1685
1686 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1687 struct libnet_JoinCtx *r)
1688 {
1689 if (!r->in.domain_name) {
1690 libnet_join_set_error_string(mem_ctx, r,
1691 "No domain name defined");
1692 return WERR_INVALID_PARAM;
1693 }
1694
1695 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1696 &r->in.domain_name,
1697 &r->in.dc_name)) {
1698 libnet_join_set_error_string(mem_ctx, r,
1699 "Failed to parse domain name");
1700 return WERR_INVALID_PARAM;
1701 }
1702
1703 if (IS_DC) {
1704 return WERR_SETUP_DOMAIN_CONTROLLER;
1705 }
1706
1707 if (!secrets_init()) {
1708 libnet_join_set_error_string(mem_ctx, r,
1709 "Unable to open secrets database");
1710 return WERR_CAN_NOT_COMPLETE;
1711 }
1712
1713 return WERR_OK;
1714 }
1715
1716 /****************************************************************
1717 ****************************************************************/
1718
1719 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1720 {
1721 NTSTATUS status;
1722
1723 /* Try adding dom admins to builtin\admins. Only log failures. */
1724 status = create_builtin_administrators(domain_sid);
1725 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1726 DEBUG(10,("Unable to auto-add domain administrators to "
1727 "BUILTIN\\Administrators during join because "
1728 "winbindd must be running.\n"));
1729 } else if (!NT_STATUS_IS_OK(status)) {
1730 DEBUG(5, ("Failed to auto-add domain administrators to "
1731 "BUILTIN\\Administrators during join: %s\n",
1732 nt_errstr(status)));
1733 }
1734
1735 /* Try adding dom users to builtin\users. Only log failures. */
1736 status = create_builtin_users(domain_sid);
1737 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1738 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1739 "during join because winbindd must be running.\n"));
1740 } else if (!NT_STATUS_IS_OK(status)) {
1741 DEBUG(5, ("Failed to auto-add domain administrators to "
1742 "BUILTIN\\Administrators during join: %s\n",
1743 nt_errstr(status)));
1744 }
1745 }
1746
1747 /****************************************************************
1748 ****************************************************************/
1749
1750 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1751 struct libnet_JoinCtx *r)
1752 {
1753 WERROR werr;
1754
1755 if (!W_ERROR_IS_OK(r->out.result)) {
1756 return r->out.result;
1757 }
1758
1759 werr = do_JoinConfig(r);
1760 if (!W_ERROR_IS_OK(werr)) {
1761 return werr;
1762 }
1763
1764 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1765 return WERR_OK;
1766 }
1767
1768 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1769 if (r->out.dns_domain_name) {
1770 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1771 }
1772
1773 #ifdef HAVE_ADS
1774 if (r->out.domain_is_ad &&
1775 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1776 ADS_STATUS ads_status;
1777
1778 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1779 if (!ADS_ERR_OK(ads_status)) {
1780 return WERR_GENERAL_FAILURE;
1781 }
1782 }
1783 #endif /* HAVE_ADS */
1784
1785 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1786
1787 return WERR_OK;
1788 }
1789
1790 /****************************************************************
1791 ****************************************************************/
1792
1793 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1794 {
1795 if (r->in.ads) {
1796 ads_destroy(&r->in.ads);
1797 }
1798
1799 return 0;
1800 }
1801
1802 /****************************************************************
1803 ****************************************************************/
1804
1805 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1806 {
1807 if (r->in.ads) {
1808 ads_destroy(&r->in.ads);
1809 }
1810
1811 return 0;
1812 }
1813
1814 /****************************************************************
1815 ****************************************************************/
1816
1817 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1818 struct libnet_JoinCtx **r)
1819 {
1820 struct libnet_JoinCtx *ctx;
1821
1822 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1823 if (!ctx) {
1824 return WERR_NOMEM;
1825 }
1826
1827 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1828
1829 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1830 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1831
1832 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1833
1834 *r = ctx;
1835
1836 return WERR_OK;
1837 }
1838
1839 /****************************************************************
1840 ****************************************************************/
1841
1842 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1843 struct libnet_UnjoinCtx **r)
1844 {
1845 struct libnet_UnjoinCtx *ctx;
1846
1847 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1848 if (!ctx) {
1849 return WERR_NOMEM;
1850 }
1851
1852 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1853
1854 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1855 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1856
1857 *r = ctx;
1858
1859 return WERR_OK;
1860 }
1861
1862 /****************************************************************
1863 ****************************************************************/
1864
1865 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1866 struct libnet_JoinCtx *r)
1867 {
1868 bool valid_security = false;
1869 bool valid_workgroup = false;
1870 bool valid_realm = false;
1871
1872 /* check if configuration is already set correctly */
1873
1874 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1875
1876 switch (r->out.domain_is_ad) {
1877 case false:
1878 valid_security = (lp_security() == SEC_DOMAIN);
1879 if (valid_workgroup && valid_security) {
1880 /* nothing to be done */
1881 return WERR_OK;
1882 }
1883 break;
1884 case true:
1885 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1886 switch (lp_security()) {
1887 case SEC_DOMAIN:
1888 case SEC_ADS:
1889 valid_security = true;
1890 }
1891
1892 if (valid_workgroup && valid_realm && valid_security) {
1893 /* nothing to be done */
1894 return WERR_OK;
1895 }
1896 break;
1897 }
1898
1899 /* check if we are supposed to manipulate configuration */
1900
1901 if (!r->in.modify_config) {
1902
1903 char *wrong_conf = talloc_strdup(mem_ctx, "");
1904
1905 if (!valid_workgroup) {
1906 wrong_conf = talloc_asprintf_append(wrong_conf,
1907 "\"workgroup\" set to '%s', should be '%s'",
1908 lp_workgroup(), r->out.netbios_domain_name);
1909 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1910 }
1911
1912 if (!valid_realm) {
1913 wrong_conf = talloc_asprintf_append(wrong_conf,
1914 "\"realm\" set to '%s', should be '%s'",
1915 lp_realm(), r->out.dns_domain_name);
1916 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1917 }
1918
1919 if (!valid_security) {
1920 const char *sec = NULL;
1921 switch (lp_security()) {
1922 case SEC_USER: sec = "user"; break;
1923 case SEC_DOMAIN: sec = "domain"; break;
1924 case SEC_ADS: sec = "ads"; break;
1925 }
1926 wrong_conf = talloc_asprintf_append(wrong_conf,
1927 "\"security\" set to '%s', should be %s",
1928 sec, r->out.domain_is_ad ?
1929 "either 'domain' or 'ads'" : "'domain'");
1930 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1931 }
1932
1933 libnet_join_set_error_string(mem_ctx, r,
1934 "Invalid configuration (%s) and configuration modification "
1935 "was not requested", wrong_conf);
1936 return WERR_CAN_NOT_COMPLETE;
1937 }
1938
1939 /* check if we are able to manipulate configuration */
1940
1941 if (!lp_config_backend_is_registry()) {
1942 libnet_join_set_error_string(mem_ctx, r,
1943 "Configuration manipulation requested but not "
1944 "supported by backend");
1945 return WERR_NOT_SUPPORTED;
1946 }
1947
1948 return WERR_OK;
1949 }
1950
1951 /****************************************************************
1952 ****************************************************************/
1953
1954 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1955 struct libnet_JoinCtx *r)
1956 {
1957 NTSTATUS status;
1958 WERROR werr;
1959 struct cli_state *cli = NULL;
1960 #ifdef HAVE_ADS
1961 ADS_STATUS ads_status;
1962 #endif /* HAVE_ADS */
1963
1964 if (!r->in.dc_name) {
1965 struct netr_DsRGetDCNameInfo *info;
1966 const char *dc;
1967 status = dsgetdcname(mem_ctx,
1968 r->in.msg_ctx,
1969 r->in.domain_name,
1970 NULL,
1971 NULL,
1972 DS_FORCE_REDISCOVERY |
1973 DS_DIRECTORY_SERVICE_REQUIRED |
1974 DS_WRITABLE_REQUIRED |
1975 DS_RETURN_DNS_NAME,
1976 &info);
1977 if (!NT_STATUS_IS_OK(status)) {
1978 libnet_join_set_error_string(mem_ctx, r,
1979 "failed to find DC for domain %s",
1980 r->in.domain_name,
1981 get_friendly_nt_error_msg(status));
1982 return WERR_DCNOTFOUND;
1983 }
1984
1985 dc = strip_hostname(info->dc_unc);
1986 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1987 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1988 }
1989
1990 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1991 if (!NT_STATUS_IS_OK(status)) {
1992 libnet_join_set_error_string(mem_ctx, r,
1993 "failed to lookup DC info for domain '%s' over rpc: %s",
1994 r->in.domain_name, get_friendly_nt_error_msg(status));
1995 return ntstatus_to_werror(status);
1996 }
1997
1998 werr = libnet_join_check_config(mem_ctx, r);
1999 if (!W_ERROR_IS_OK(werr)) {
2000 goto done;
2001 }
2002
2003 #ifdef HAVE_ADS
2004
2005 create_local_private_krb5_conf_for_domain(
2006 r->out.dns_domain_name, r->out.netbios_domain_name,
2007 NULL, smbXcli_conn_remote_sockaddr(cli->conn),
2008 smbXcli_conn_remote_name(cli->conn));
2009
2010 if (r->out.domain_is_ad && r->in.account_ou &&
2011 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2012
2013 ads_status = libnet_join_connect_ads(mem_ctx, r);
2014 if (!ADS_ERR_OK(ads_status)) {
2015 return WERR_DEFAULT_JOIN_REQUIRED;
2016 }
2017
2018 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
2019 if (!ADS_ERR_OK(ads_status)) {
2020 libnet_join_set_error_string(mem_ctx, r,
2021 "failed to precreate account in ou %s: %s",
2022 r->in.account_ou,
2023 ads_errstr(ads_status));
2024 return WERR_DEFAULT_JOIN_REQUIRED;
2025 }
2026
2027 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2028 }
2029 #endif /* HAVE_ADS */
2030
2031 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2032 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2033 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2034 } else {
2035 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2036 }
2037 if (!NT_STATUS_IS_OK(status)) {
2038 libnet_join_set_error_string(mem_ctx, r,
2039 "failed to join domain '%s' over rpc: %s",
2040 r->in.domain_name, get_friendly_nt_error_msg(status));
2041 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2042 return WERR_SETUP_ALREADY_JOINED;
2043 }
2044 werr = ntstatus_to_werror(status);
2045 goto done;
2046 }
2047
2048 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2049 werr = WERR_SETUP_NOT_JOINED;
2050 goto done;
2051 }
2052
2053 werr = WERR_OK;
2054
2055 done:
2056 if (cli) {
2057 cli_shutdown(cli);
2058 }
2059
2060 return werr;
2061 }
2062
2063 /****************************************************************
2064 ****************************************************************/
2065
2066 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2067 struct libnet_JoinCtx *r)
2068 {
2069 WERROR werr;
2070 struct libnet_UnjoinCtx *u = NULL;
2071
2072 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2073 if (!W_ERROR_IS_OK(werr)) {
2074 return werr;
2075 }
2076
2077 u->in.debug = r->in.debug;
2078 u->in.dc_name = r->in.dc_name;
2079 u->in.domain_name = r->in.domain_name;
2080 u->in.admin_account = r->in.admin_account;
2081 u->in.admin_password = r->in.admin_password;
2082 u->in.modify_config = r->in.modify_config;
2083 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2084 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2085
2086 werr = libnet_Unjoin(mem_ctx, u);
2087 TALLOC_FREE(u);
2088
2089 return werr;
2090 }
2091
2092 /****************************************************************
2093 ****************************************************************/
2094
2095 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2096 struct libnet_JoinCtx *r)
2097 {
2098 WERROR werr;
2099
2100 if (r->in.debug) {
2101 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2102 }
2103
2104 ZERO_STRUCT(r->out);
2105
2106 werr = libnet_join_pre_processing(mem_ctx, r);
2107 if (!W_ERROR_IS_OK(werr)) {
2108 goto done;
2109 }
2110
2111 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2112 werr = libnet_DomainJoin(mem_ctx, r);
2113 if (!W_ERROR_IS_OK(werr)) {
2114 goto done;
2115 }
2116 }
2117
2118 werr = libnet_join_post_processing(mem_ctx, r);
2119 if (!W_ERROR_IS_OK(werr)) {
2120 goto done;
2121 }
2122
2123 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2124 werr = libnet_join_post_verify(mem_ctx, r);
2125 if (!W_ERROR_IS_OK(werr)) {
2126 libnet_join_rollback(mem_ctx, r);
2127 }
2128 }
2129
2130 done:
2131 r->out.result = werr;
2132
2133 if (r->in.debug) {
2134 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2135 }
2136 return werr;
2137 }
2138
2139 /****************************************************************
2140 ****************************************************************/
2141
2142 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2143 struct libnet_UnjoinCtx *r)
2144 {
2145 NTSTATUS status;
2146
2147 if (!r->in.domain_sid) {
2148 struct dom_sid sid;
2149 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2150 libnet_unjoin_set_error_string(mem_ctx, r,
2151 "Unable to fetch domain sid: are we joined?");
2152 return WERR_SETUP_NOT_JOINED;
2153 }
2154 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2155 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2156 }
2157
2158 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2159 !r->in.delete_machine_account) {
2160 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2161 return WERR_OK;
2162 }
2163
2164 if (!r->in.dc_name) {
2165 struct netr_DsRGetDCNameInfo *info;
2166 const char *dc;
2167 status = dsgetdcname(mem_ctx,
2168 r->in.msg_ctx,
2169 r->in.domain_name,
2170 NULL,
2171 NULL,
2172 DS_DIRECTORY_SERVICE_REQUIRED |
2173 DS_WRITABLE_REQUIRED |
2174 DS_RETURN_DNS_NAME,
2175 &info);
2176 if (!NT_STATUS_IS_OK(status)) {
2177 libnet_unjoin_set_error_string(mem_ctx, r,
2178 "failed to find DC for domain %s",
2179 r->in.domain_name,
2180 get_friendly_nt_error_msg(status));
2181 return WERR_DCNOTFOUND;
2182 }
2183
2184 dc = strip_hostname(info->dc_unc);
2185 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2186 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2187 }
2188
2189 #ifdef HAVE_ADS
2190 /* for net ads leave, try to delete the account. If it works,
2191 no sense in disabling. If it fails, we can still try to
2192 disable it. jmcd */
2193
2194 if (r->in.delete_machine_account) {
2195 ADS_STATUS ads_status;
2196 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2197 if (ADS_ERR_OK(ads_status)) {
2198 /* dirty hack */
2199 r->out.dns_domain_name =
2200 talloc_strdup(mem_ctx,
2201 r->in.ads->server.realm);
2202 ads_status =
2203 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2204 }
2205 if (!ADS_ERR_OK(ads_status)) {
2206 libnet_unjoin_set_error_string(mem_ctx, r,
2207 "failed to remove machine account from AD: %s",
2208 ads_errstr(ads_status));
2209 } else {
2210 r->out.deleted_machine_account = true;
2211 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2212 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2213 return WERR_OK;
2214 }
2215 }
2216 #endif /* HAVE_ADS */
2217
2218 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2219 "disable". */
2220 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2221 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2222 if (!NT_STATUS_IS_OK(status)) {
2223 libnet_unjoin_set_error_string(mem_ctx, r,
2224 "failed to disable machine account via rpc: %s",
2225 get_friendly_nt_error_msg(status));
2226 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2227 return WERR_SETUP_NOT_JOINED;
2228 }
2229 return ntstatus_to_werror(status);
2230 }
2231
2232 r->out.disabled_machine_account = true;
2233 }
2234
2235 /* If disable succeeded or was not requested at all, we
2236 should be getting rid of our end of things */
2237
2238 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2239
2240 return WERR_OK;
2241 }
2242
2243 /****************************************************************
2244 ****************************************************************/
2245
2246 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2247 struct libnet_UnjoinCtx *r)
2248 {
2249 if (!r->in.domain_name) {
2250 libnet_unjoin_set_error_string(mem_ctx, r,
2251 "No domain name defined");
2252 return WERR_INVALID_PARAM;
2253 }
2254
2255 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2256 &r->in.domain_name,
2257 &r->in.dc_name)) {
2258 libnet_unjoin_set_error_string(mem_ctx, r,
2259 "Failed to parse domain name");
2260 return WERR_INVALID_PARAM;
2261 }
2262
2263 if (IS_DC) {
2264 return WERR_SETUP_DOMAIN_CONTROLLER;
2265 }
2266
2267 if (!secrets_init()) {
2268 libnet_unjoin_set_error_string(mem_ctx, r,
2269 "Unable to open secrets database");
2270 return WERR_CAN_NOT_COMPLETE;
2271 }
2272
2273 return WERR_OK;
2274 }
2275
2276 /****************************************************************
2277 ****************************************************************/
2278
2279 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2280 struct libnet_UnjoinCtx *r)
2281 {
2282 saf_delete(r->out.netbios_domain_name);
2283 saf_delete(r->out.dns_domain_name);
2284
2285 return libnet_unjoin_config(r);
2286 }
2287
2288 /****************************************************************
2289 ****************************************************************/
2290
2291 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2292 struct libnet_UnjoinCtx *r)
2293 {
2294 WERROR werr;
2295
2296 if (r->in.debug) {
2297 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2298 }
2299
2300 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2301 if (!W_ERROR_IS_OK(werr)) {
2302 goto done;
2303 }
2304
2305 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2306 werr = libnet_DomainUnjoin(mem_ctx, r);
2307 if (!W_ERROR_IS_OK(werr)) {
2308 libnet_unjoin_config(r);
2309 goto done;
2310 }
2311 }
2312
2313 werr = libnet_unjoin_post_processing(mem_ctx, r);
2314 if (!W_ERROR_IS_OK(werr)) {
2315 goto done;
2316 }
2317
2318 done:
2319 r->out.result = werr;
2320
2321 if (r->in.debug) {
2322 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2323 }
2324
2325 return werr;
2326 }
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