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[Samba/gbeck.git] / source3 / libnet / libnet_join.c
blob866d1c06e1431937522641e9ea6cdbd1ecf0a7a3
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "libnet/libnet.h"
23
24 /****************************************************************
25 ****************************************************************/
26
27 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
28 do { \
29 char *str = NULL; \
30 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
31 DEBUG(1,("libnet_Join:\n%s", str)); \
32 talloc_free(str); \
33 } while (0)
34
35 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
36 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
37 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
38 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
39
40 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
41 do { \
42 char *str = NULL; \
43 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
44 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
45 talloc_free(str); \
46 } while (0)
47
48 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
49 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
50 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
51 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
52
53 #define W_ERROR_NOT_OK_GOTO_DONE(x) do { \
54 if (!W_ERROR_IS_OK(x)) {\
55 goto done;\
56 }\
57 } while (0)
58
59 /****************************************************************
60 ****************************************************************/
61
62 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
63 struct libnet_JoinCtx *r,
64 const char *format, ...)
65 {
66 va_list args;
67
68 if (r->out.error_string) {
69 return;
70 }
71
72 va_start(args, format);
73 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
74 va_end(args);
75 }
76
77 /****************************************************************
78 ****************************************************************/
79
80 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
81 struct libnet_UnjoinCtx *r,
82 const char *format, ...)
83 {
84 va_list args;
85
86 if (r->out.error_string) {
87 return;
88 }
89
90 va_start(args, format);
91 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
92 va_end(args);
93 }
94
95 #ifdef WITH_ADS
96
97 /****************************************************************
98 ****************************************************************/
99
100 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
101 const char *netbios_domain_name,
102 const char *dc_name,
103 const char *user_name,
104 const char *password,
105 ADS_STRUCT **ads)
106 {
107 ADS_STATUS status;
108 ADS_STRUCT *my_ads = NULL;
109
110 my_ads = ads_init(dns_domain_name,
111 netbios_domain_name,
112 dc_name);
113 if (!my_ads) {
114 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
115 }
116
117 if (user_name) {
118 SAFE_FREE(my_ads->auth.user_name);
119 my_ads->auth.user_name = SMB_STRDUP(user_name);
120 }
121
122 if (password) {
123 SAFE_FREE(my_ads->auth.password);
124 my_ads->auth.password = SMB_STRDUP(password);
125 }
126
127 status = ads_connect(my_ads);
128 if (!ADS_ERR_OK(status)) {
129 ads_destroy(&my_ads);
130 return status;
131 }
132
133 *ads = my_ads;
134 return ADS_SUCCESS;
135 }
136
137 /****************************************************************
138 ****************************************************************/
139
140 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
141 struct libnet_JoinCtx *r)
142 {
143 ADS_STATUS status;
144
145 status = libnet_connect_ads(r->in.domain_name,
146 r->in.domain_name,
147 r->in.dc_name,
148 r->in.admin_account,
149 r->in.admin_password,
150 &r->in.ads);
151 if (!ADS_ERR_OK(status)) {
152 libnet_join_set_error_string(mem_ctx, r,
153 "failed to connect to AD: %s",
154 ads_errstr(status));
155 return status;
156 }
157
158 if (!r->out.netbios_domain_name) {
159 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
160 r->in.ads->server.workgroup);
161 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
162 }
163
164 if (!r->out.dns_domain_name) {
165 r->out.dns_domain_name = talloc_strdup(mem_ctx,
166 r->in.ads->config.realm);
167 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
168 }
169
170 r->out.domain_is_ad = true;
171
172 return ADS_SUCCESS;
173 }
174
175 /****************************************************************
176 ****************************************************************/
177
178 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
179 struct libnet_UnjoinCtx *r)
180 {
181 ADS_STATUS status;
182
183 status = libnet_connect_ads(r->in.domain_name,
184 r->in.domain_name,
185 r->in.dc_name,
186 r->in.admin_account,
187 r->in.admin_password,
188 &r->in.ads);
189 if (!ADS_ERR_OK(status)) {
190 libnet_unjoin_set_error_string(mem_ctx, r,
191 "failed to connect to AD: %s",
192 ads_errstr(status));
193 }
194
195 return status;
196 }
197
198 /****************************************************************
199 join a domain using ADS (LDAP mods)
200 ****************************************************************/
201
202 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
203 struct libnet_JoinCtx *r)
204 {
205 ADS_STATUS status;
206 LDAPMessage *res = NULL;
207 const char *attrs[] = { "dn", NULL };
208 bool moved = false;
209
210 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
211 if (!ADS_ERR_OK(status)) {
212 return status;
213 }
214
215 if (ads_count_replies(r->in.ads, res) != 1) {
216 ads_msgfree(r->in.ads, res);
217 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
218 }
219
220 ads_msgfree(r->in.ads, res);
221
222 /* Attempt to create the machine account and bail if this fails.
223 Assume that the admin wants exactly what they requested */
224
225 status = ads_create_machine_acct(r->in.ads,
226 r->in.machine_name,
227 r->in.account_ou);
228
229 if (ADS_ERR_OK(status)) {
230 DEBUG(1,("machine account creation created\n"));
231 return status;
232 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
233 (status.err.rc == LDAP_ALREADY_EXISTS)) {
234 status = ADS_SUCCESS;
235 }
236
237 if (!ADS_ERR_OK(status)) {
238 DEBUG(1,("machine account creation failed\n"));
239 return status;
240 }
241
242 status = ads_move_machine_acct(r->in.ads,
243 r->in.machine_name,
244 r->in.account_ou,
245 &moved);
246 if (!ADS_ERR_OK(status)) {
247 DEBUG(1,("failure to locate/move pre-existing "
248 "machine account\n"));
249 return status;
250 }
251
252 DEBUG(1,("The machine account %s the specified OU.\n",
253 moved ? "was moved into" : "already exists in"));
254
255 return status;
256 }
257
258 /****************************************************************
259 ****************************************************************/
260
261 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
262 struct libnet_UnjoinCtx *r)
263 {
264 ADS_STATUS status;
265
266 if (!r->in.ads) {
267 status = libnet_unjoin_connect_ads(mem_ctx, r);
268 if (!ADS_ERR_OK(status)) {
269 return status;
270 }
271 }
272
273 status = ads_leave_realm(r->in.ads, r->in.machine_name);
274 if (!ADS_ERR_OK(status)) {
275 libnet_unjoin_set_error_string(mem_ctx, r,
276 "failed to leave realm: %s",
277 ads_errstr(status));
278 return status;
279 }
280
281 return ADS_SUCCESS;
282 }
283
284 /****************************************************************
285 ****************************************************************/
286
287 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
288 struct libnet_JoinCtx *r)
289 {
290 ADS_STATUS status;
291 LDAPMessage *res = NULL;
292 char *dn = NULL;
293
294 if (!r->in.machine_name) {
295 return ADS_ERROR(LDAP_NO_MEMORY);
296 }
297
298 status = ads_find_machine_acct(r->in.ads,
299 &res,
300 r->in.machine_name);
301 if (!ADS_ERR_OK(status)) {
302 return status;
303 }
304
305 if (ads_count_replies(r->in.ads, res) != 1) {
306 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
307 goto done;
308 }
309
310 dn = ads_get_dn(r->in.ads, res);
311 if (!dn) {
312 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
313 goto done;
314 }
315
316 r->out.dn = talloc_strdup(mem_ctx, dn);
317 if (!r->out.dn) {
318 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
319 goto done;
320 }
321
322 done:
323 ads_msgfree(r->in.ads, res);
324 ads_memfree(r->in.ads, dn);
325
326 return status;
327 }
328
329 /****************************************************************
330 Set a machines dNSHostName and servicePrincipalName attributes
331 ****************************************************************/
332
333 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
334 struct libnet_JoinCtx *r)
335 {
336 ADS_STATUS status;
337 ADS_MODLIST mods;
338 fstring my_fqdn;
339 const char *spn_array[3] = {NULL, NULL, NULL};
340 char *spn = NULL;
341
342 /* Find our DN */
343
344 status = libnet_join_find_machine_acct(mem_ctx, r);
345 if (!ADS_ERR_OK(status)) {
346 return status;
347 }
348
349 /* Windows only creates HOST/shortname & HOST/fqdn. */
350
351 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
352 if (!spn) {
353 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
354 }
355 strupper_m(spn);
356 spn_array[0] = spn;
357
358 if (name_to_fqdn(my_fqdn, r->in.machine_name) &&
359 !strequal(my_fqdn, r->in.machine_name)) {
360
361 strlower_m(my_fqdn);
362 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
363 if (!spn) {
364 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
365 }
366 spn_array[1] = spn;
367 }
368
369 mods = ads_init_mods(mem_ctx);
370 if (!mods) {
371 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
372 }
373
374 /* fields of primary importance */
375
376 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
377 if (!ADS_ERR_OK(status)) {
378 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
379 }
380
381 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
382 spn_array);
383 if (!ADS_ERR_OK(status)) {
384 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
385 }
386
387 return ads_gen_mod(r->in.ads, r->out.dn, mods);
388 }
389
390 /****************************************************************
391 ****************************************************************/
392
393 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
394 struct libnet_JoinCtx *r)
395 {
396 ADS_STATUS status;
397 ADS_MODLIST mods;
398
399 if (!r->in.create_upn) {
400 return ADS_SUCCESS;
401 }
402
403 /* Find our DN */
404
405 status = libnet_join_find_machine_acct(mem_ctx, r);
406 if (!ADS_ERR_OK(status)) {
407 return status;
408 }
409
410 if (!r->in.upn) {
411 r->in.upn = talloc_asprintf(mem_ctx,
412 "host/%s@%s",
413 r->in.machine_name,
414 r->out.dns_domain_name);
415 if (!r->in.upn) {
416 return ADS_ERROR(LDAP_NO_MEMORY);
417 }
418 }
419
420 /* now do the mods */
421
422 mods = ads_init_mods(mem_ctx);
423 if (!mods) {
424 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
425 }
426
427 /* fields of primary importance */
428
429 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
430 if (!ADS_ERR_OK(status)) {
431 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
432 }
433
434 return ads_gen_mod(r->in.ads, r->out.dn, mods);
435 }
436
437
438 /****************************************************************
439 ****************************************************************/
440
441 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
442 struct libnet_JoinCtx *r)
443 {
444 ADS_STATUS status;
445 ADS_MODLIST mods;
446 char *os_sp = NULL;
447
448 if (!r->in.os_name || !r->in.os_version ) {
449 return ADS_SUCCESS;
450 }
451
452 /* Find our DN */
453
454 status = libnet_join_find_machine_acct(mem_ctx, r);
455 if (!ADS_ERR_OK(status)) {
456 return status;
457 }
458
459 /* now do the mods */
460
461 mods = ads_init_mods(mem_ctx);
462 if (!mods) {
463 return ADS_ERROR(LDAP_NO_MEMORY);
464 }
465
466 os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
467 if (!os_sp) {
468 return ADS_ERROR(LDAP_NO_MEMORY);
469 }
470
471 /* fields of primary importance */
472
473 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
474 r->in.os_name);
475 if (!ADS_ERR_OK(status)) {
476 return status;
477 }
478
479 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
480 r->in.os_version);
481 if (!ADS_ERR_OK(status)) {
482 return status;
483 }
484
485 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
486 os_sp);
487 if (!ADS_ERR_OK(status)) {
488 return status;
489 }
490
491 return ads_gen_mod(r->in.ads, r->out.dn, mods);
492 }
493
494 /****************************************************************
495 ****************************************************************/
496
497 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
498 struct libnet_JoinCtx *r)
499 {
500 if (!lp_use_kerberos_keytab()) {
501 return true;
502 }
503
504 if (!ads_keytab_create_default(r->in.ads)) {
505 return false;
506 }
507
508 return true;
509 }
510
511 /****************************************************************
512 ****************************************************************/
513
514 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
515 struct libnet_JoinCtx *r)
516 {
517 uint32_t domain_func;
518 ADS_STATUS status;
519 const char *salt = NULL;
520 char *std_salt = NULL;
521
522 status = ads_domain_func_level(r->in.ads, &domain_func);
523 if (!ADS_ERR_OK(status)) {
524 libnet_join_set_error_string(mem_ctx, r,
525 "failed to determine domain functional level: %s",
526 ads_errstr(status));
527 return false;
528 }
529
530 /* go ahead and setup the default salt */
531
532 std_salt = kerberos_standard_des_salt();
533 if (!std_salt) {
534 libnet_join_set_error_string(mem_ctx, r,
535 "failed to obtain standard DES salt");
536 return false;
537 }
538
539 salt = talloc_strdup(mem_ctx, std_salt);
540 if (!salt) {
541 return false;
542 }
543
544 SAFE_FREE(std_salt);
545
546 /* if it's a Windows functional domain, we have to look for the UPN */
547
548 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
549 char *upn;
550
551 upn = ads_get_upn(r->in.ads, mem_ctx,
552 r->in.machine_name);
553 if (upn) {
554 salt = talloc_strdup(mem_ctx, upn);
555 if (!salt) {
556 return false;
557 }
558 }
559 }
560
561 return kerberos_secrets_store_des_salt(salt);
562 }
563
564 /****************************************************************
565 ****************************************************************/
566
567 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
568 struct libnet_JoinCtx *r)
569 {
570 ADS_STATUS status;
571
572 if (!r->in.ads) {
573 status = libnet_join_connect_ads(mem_ctx, r);
574 if (!ADS_ERR_OK(status)) {
575 return status;
576 }
577 }
578
579 status = libnet_join_set_machine_spn(mem_ctx, r);
580 if (!ADS_ERR_OK(status)) {
581 libnet_join_set_error_string(mem_ctx, r,
582 "failed to set machine spn: %s",
583 ads_errstr(status));
584 return status;
585 }
586
587 status = libnet_join_set_os_attributes(mem_ctx, r);
588 if (!ADS_ERR_OK(status)) {
589 libnet_join_set_error_string(mem_ctx, r,
590 "failed to set machine os attributes: %s",
591 ads_errstr(status));
592 return status;
593 }
594
595 status = libnet_join_set_machine_upn(mem_ctx, r);
596 if (!ADS_ERR_OK(status)) {
597 libnet_join_set_error_string(mem_ctx, r,
598 "failed to set machine upn: %s",
599 ads_errstr(status));
600 return status;
601 }
602
603 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
604 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
605 }
606
607 if (!libnet_join_create_keytab(mem_ctx, r)) {
608 libnet_join_set_error_string(mem_ctx, r,
609 "failed to create kerberos keytab");
610 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
611 }
612
613 return ADS_SUCCESS;
614 }
615 #endif /* WITH_ADS */
616
617 /****************************************************************
618 Store the machine password and domain SID
619 ****************************************************************/
620
621 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
622 struct libnet_JoinCtx *r)
623 {
624 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
625 r->out.domain_sid))
626 {
627 DEBUG(1,("Failed to save domain sid\n"));
628 return false;
629 }
630
631 if (!secrets_store_machine_password(r->in.machine_password,
632 r->out.netbios_domain_name,
633 SEC_CHAN_WKSTA))
634 {
635 DEBUG(1,("Failed to save machine password\n"));
636 return false;
637 }
638
639 return true;
640 }
641
642 /****************************************************************
643 Do the domain join
644 ****************************************************************/
645
646 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
647 struct libnet_JoinCtx *r)
648 {
649 struct cli_state *cli = NULL;
650 struct rpc_pipe_client *pipe_hnd = NULL;
651 POLICY_HND sam_pol, domain_pol, user_pol, lsa_pol;
652 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
653 char *acct_name;
654 struct lsa_String lsa_acct_name;
655 uint32_t user_rid;
656 uint32_t acct_flags = ACB_WSTRUST;
657 uchar pwbuf[532];
658 struct MD5Context md5ctx;
659 uchar md5buffer[16];
660 DATA_BLOB digested_session_key;
661 uchar md4_trust_password[16];
662 union lsa_PolicyInformation *info = NULL;
663 struct samr_Ids user_rids;
664 struct samr_Ids name_types;
665 union samr_UserInfo user_info;
666
667 if (!r->in.machine_password) {
668 r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
669 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
670 }
671
672 status = cli_full_connection(&cli, NULL,
673 r->in.dc_name,
674 NULL, 0,
675 "IPC$", "IPC",
676 r->in.admin_account,
677 NULL,
678 r->in.admin_password,
679 0,
680 Undefined, NULL);
681
682 if (!NT_STATUS_IS_OK(status)) {
683 goto done;
684 }
685
686 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
687 if (!pipe_hnd) {
688 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
689 nt_errstr(status)));
690 goto done;
691 }
692
693 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
694 SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
695 if (!NT_STATUS_IS_OK(status)) {
696 goto done;
697 }
698
699 status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
700 &lsa_pol,
701 LSA_POLICY_INFO_DNS,
702 &info);
703 if (NT_STATUS_IS_OK(status)) {
704 r->out.domain_is_ad = true;
705 r->out.netbios_domain_name = info->dns.name.string;
706 r->out.dns_domain_name = info->dns.dns_domain.string;
707 r->out.domain_sid = info->dns.sid;
708 }
709
710 if (!NT_STATUS_IS_OK(status)) {
711 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
712 &lsa_pol,
713 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
714 &info);
715 if (!NT_STATUS_IS_OK(status)) {
716 goto done;
717 }
718
719 r->out.netbios_domain_name = info->account_domain.name.string;
720 r->out.domain_sid = info->account_domain.sid;
721 }
722
723 rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
724 cli_rpc_pipe_close(pipe_hnd);
725
726 /* Open the domain */
727
728 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
729 if (!pipe_hnd) {
730 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
731 nt_errstr(status)));
732 goto done;
733 }
734
735 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
736 pipe_hnd->cli->desthost,
737 SEC_RIGHTS_MAXIMUM_ALLOWED,
738 &sam_pol);
739 if (!NT_STATUS_IS_OK(status)) {
740 goto done;
741 }
742
743 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
744 &sam_pol,
745 SEC_RIGHTS_MAXIMUM_ALLOWED,
746 r->out.domain_sid,
747 &domain_pol);
748 if (!NT_STATUS_IS_OK(status)) {
749 goto done;
750 }
751
752 /* Create domain user */
753
754 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
755 strlower_m(acct_name);
756
757 init_lsa_String(&lsa_acct_name, acct_name);
758
759 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
760 uint32_t access_desired =
761 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
762 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
763 SAMR_USER_ACCESS_SET_PASSWORD |
764 SAMR_USER_ACCESS_GET_ATTRIBUTES |
765 SAMR_USER_ACCESS_SET_ATTRIBUTES;
766 uint32_t access_granted = 0;
767
768 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
769
770 DEBUG(10,("Creating account with desired access mask: %d\n",
771 access_desired));
772
773 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
774 &domain_pol,
775 &lsa_acct_name,
776 ACB_WSTRUST,
777 access_desired,
778 &user_pol,
779 &access_granted,
780 &user_rid);
781 if (!NT_STATUS_IS_OK(status) &&
782 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
783
784 DEBUG(10,("Creation of workstation account failed: %s\n",
785 nt_errstr(status)));
786
787 /* If NT_STATUS_ACCESS_DENIED then we have a valid
788 username/password combo but the user does not have
789 administrator access. */
790
791 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
792 libnet_join_set_error_string(mem_ctx, r,
793 "User specified does not have "
794 "administrator privileges");
795 }
796
797 return status;
798 }
799
800 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
801 if (!(r->in.join_flags &
802 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
803 goto done;
804 }
805 }
806
807 /* We *must* do this.... don't ask... */
808
809 if (NT_STATUS_IS_OK(status)) {
810 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
811 }
812 }
813
814 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
815 &domain_pol,
816 1,
817 &lsa_acct_name,
818 &user_rids,
819 &name_types);
820 if (!NT_STATUS_IS_OK(status)) {
821 goto done;
822 }
823
824 if (name_types.ids[0] != SID_NAME_USER) {
825 DEBUG(0,("%s is not a user account (type=%d)\n",
826 acct_name, name_types.ids[0]));
827 status = NT_STATUS_INVALID_WORKSTATION;
828 goto done;
829 }
830
831 user_rid = user_rids.ids[0];
832
833 /* Open handle on user */
834
835 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
836 &domain_pol,
837 SEC_RIGHTS_MAXIMUM_ALLOWED,
838 user_rid,
839 &user_pol);
840 if (!NT_STATUS_IS_OK(status)) {
841 goto done;
842 }
843
844 /* Create a random machine account password and generate the hash */
845
846 E_md4hash(r->in.machine_password, md4_trust_password);
847 encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
848
849 generate_random_buffer((uint8_t*)md5buffer, sizeof(md5buffer));
850 digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
851
852 MD5Init(&md5ctx);
853 MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
854 MD5Update(&md5ctx, cli->user_session_key.data,
855 cli->user_session_key.length);
856 MD5Final(digested_session_key.data, &md5ctx);
857
858 SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
859 memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
860
861 /* Fill in the additional account flags now */
862
863 acct_flags |= ACB_PWNOEXP;
864 if (r->out.domain_is_ad) {
865 #if !defined(ENCTYPE_ARCFOUR_HMAC)
866 acct_flags |= ACB_USE_DES_KEY_ONLY;
867 #endif
868 ;;
869 }
870
871 /* Set password and account flags on machine account */
872
873 ZERO_STRUCT(user_info.info25);
874
875 user_info.info25.info.fields_present = ACCT_NT_PWD_SET |
876 ACCT_LM_PWD_SET |
877 SAMR_FIELD_ACCT_FLAGS;
878
879 user_info.info25.info.acct_flags = acct_flags;
880 memcpy(&user_info.info25.password.data, pwbuf, sizeof(pwbuf));
881
882 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
883 &user_pol,
884 25,
885 &user_info);
886
887 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
888
889 uchar pwbuf2[516];
890
891 encode_pw_buffer(pwbuf2, r->in.machine_password, STR_UNICODE);
892
893 /* retry with level 24 */
894 init_samr_user_info24(&user_info.info24, pwbuf2, 24);
895
896 SamOEMhashBlob(user_info.info24.password.data, 516,
897 &cli->user_session_key);
898
899 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
900 &user_pol,
901 24,
902 &user_info);
903 }
904
905 if (!NT_STATUS_IS_OK(status)) {
906 libnet_join_set_error_string(mem_ctx, r,
907 "Failed to set password for machine account (%s)\n",
908 nt_errstr(status));
909 goto done;
910 }
911
912 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
913 cli_rpc_pipe_close(pipe_hnd);
914
915 status = NT_STATUS_OK;
916 done:
917 if (cli) {
918 cli_shutdown(cli);
919 }
920
921 return status;
922 }
923
924 /****************************************************************
925 ****************************************************************/
926
927 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
928 const char *machine_name,
929 const char *dc_name)
930 {
931 uint32_t neg_flags = NETLOGON_NEG_SELECT_AUTH2_FLAGS |
932 NETLOGON_NEG_SCHANNEL;
933 struct cli_state *cli = NULL;
934 struct rpc_pipe_client *pipe_hnd = NULL;
935 struct rpc_pipe_client *netlogon_pipe = NULL;
936 NTSTATUS status;
937 char *machine_password = NULL;
938 char *machine_account = NULL;
939
940 if (!dc_name) {
941 return NT_STATUS_INVALID_PARAMETER;
942 }
943
944 if (!secrets_init()) {
945 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
946 }
947
948 machine_password = secrets_fetch_machine_password(netbios_domain_name,
949 NULL, NULL);
950 if (!machine_password) {
951 return NT_STATUS_NO_TRUST_LSA_SECRET;
952 }
953
954 asprintf(&machine_account, "%s$", machine_name);
955 if (!machine_account) {
956 SAFE_FREE(machine_password);
957 return NT_STATUS_NO_MEMORY;
958 }
959
960 status = cli_full_connection(&cli, NULL,
961 dc_name,
962 NULL, 0,
963 "IPC$", "IPC",
964 machine_account,
965 NULL,
966 machine_password,
967 0,
968 Undefined, NULL);
969 free(machine_account);
970 free(machine_password);
971
972 if (!NT_STATUS_IS_OK(status)) {
973 status = cli_full_connection(&cli, NULL,
974 dc_name,
975 NULL, 0,
976 "IPC$", "IPC",
977 "",
978 NULL,
979 "",
980 0,
981 Undefined, NULL);
982 }
983
984 if (!NT_STATUS_IS_OK(status)) {
985 return status;
986 }
987
988 netlogon_pipe = get_schannel_session_key(cli,
989 netbios_domain_name,
990 &neg_flags, &status);
991 if (!netlogon_pipe) {
992 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
993 cli_shutdown(cli);
994 return NT_STATUS_OK;
995 }
996
997 DEBUG(0,("libnet_join_ok: failed to get schannel session "
998 "key from server %s for domain %s. Error was %s\n",
999 cli->desthost, netbios_domain_name, nt_errstr(status)));
1000 cli_shutdown(cli);
1001 return status;
1002 }
1003
1004 if (!lp_client_schannel()) {
1005 cli_shutdown(cli);
1006 return NT_STATUS_OK;
1007 }
1008
1009 pipe_hnd = cli_rpc_pipe_open_schannel_with_key(cli, PI_NETLOGON,
1010 PIPE_AUTH_LEVEL_PRIVACY,
1011 netbios_domain_name,
1012 netlogon_pipe->dc,
1013 &status);
1014
1015 cli_shutdown(cli);
1016
1017 if (!pipe_hnd) {
1018 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1019 "on netlogon pipe to server %s for domain %s. "
1020 "Error was %s\n",
1021 cli->desthost, netbios_domain_name, nt_errstr(status)));
1022 return status;
1023 }
1024
1025 return NT_STATUS_OK;
1026 }
1027
1028 /****************************************************************
1029 ****************************************************************/
1030
1031 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1032 struct libnet_JoinCtx *r)
1033 {
1034 NTSTATUS status;
1035
1036 status = libnet_join_ok(r->out.netbios_domain_name,
1037 r->in.machine_name,
1038 r->in.dc_name);
1039 if (!NT_STATUS_IS_OK(status)) {
1040 libnet_join_set_error_string(mem_ctx, r,
1041 "failed to verify domain membership after joining: %s",
1042 get_friendly_nt_error_msg(status));
1043 return WERR_SETUP_NOT_JOINED;
1044 }
1045
1046 return WERR_OK;
1047 }
1048
1049 /****************************************************************
1050 ****************************************************************/
1051
1052 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1053 struct libnet_UnjoinCtx *r)
1054 {
1055 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1056 return false;
1057 }
1058
1059 if (!secrets_delete_domain_sid(lp_workgroup())) {
1060 return false;
1061 }
1062
1063 return true;
1064 }
1065
1066 /****************************************************************
1067 ****************************************************************/
1068
1069 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1070 struct libnet_UnjoinCtx *r)
1071 {
1072 struct cli_state *cli = NULL;
1073 struct rpc_pipe_client *pipe_hnd = NULL;
1074 POLICY_HND sam_pol, domain_pol, user_pol;
1075 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1076 char *acct_name;
1077 uint32_t user_rid;
1078 struct lsa_String lsa_acct_name;
1079 struct samr_Ids user_rids;
1080 struct samr_Ids name_types;
1081 union samr_UserInfo *info = NULL;
1082
1083 status = cli_full_connection(&cli, NULL,
1084 r->in.dc_name,
1085 NULL, 0,
1086 "IPC$", "IPC",
1087 r->in.admin_account,
1088 NULL,
1089 r->in.admin_password,
1090 0, Undefined, NULL);
1091
1092 if (!NT_STATUS_IS_OK(status)) {
1093 goto done;
1094 }
1095
1096 /* Open the domain */
1097
1098 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
1099 if (!pipe_hnd) {
1100 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1101 nt_errstr(status)));
1102 goto done;
1103 }
1104
1105 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1106 pipe_hnd->cli->desthost,
1107 SEC_RIGHTS_MAXIMUM_ALLOWED,
1108 &sam_pol);
1109 if (!NT_STATUS_IS_OK(status)) {
1110 goto done;
1111 }
1112
1113 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1114 &sam_pol,
1115 SEC_RIGHTS_MAXIMUM_ALLOWED,
1116 r->in.domain_sid,
1117 &domain_pol);
1118 if (!NT_STATUS_IS_OK(status)) {
1119 goto done;
1120 }
1121
1122 /* Create domain user */
1123
1124 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1125 strlower_m(acct_name);
1126
1127 init_lsa_String(&lsa_acct_name, acct_name);
1128
1129 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1130 &domain_pol,
1131 1,
1132 &lsa_acct_name,
1133 &user_rids,
1134 &name_types);
1135
1136 if (!NT_STATUS_IS_OK(status)) {
1137 goto done;
1138 }
1139
1140 if (name_types.ids[0] != SID_NAME_USER) {
1141 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1142 name_types.ids[0]));
1143 status = NT_STATUS_INVALID_WORKSTATION;
1144 goto done;
1145 }
1146
1147 user_rid = user_rids.ids[0];
1148
1149 /* Open handle on user */
1150
1151 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1152 &domain_pol,
1153 SEC_RIGHTS_MAXIMUM_ALLOWED,
1154 user_rid,
1155 &user_pol);
1156 if (!NT_STATUS_IS_OK(status)) {
1157 goto done;
1158 }
1159
1160 /* Get user info */
1161
1162 status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1163 &user_pol,
1164 16,
1165 &info);
1166 if (!NT_STATUS_IS_OK(status)) {
1167 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1168 goto done;
1169 }
1170
1171 /* now disable and setuser info */
1172
1173 info->info16.acct_flags |= ACB_DISABLED;
1174
1175 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1176 &user_pol,
1177 16,
1178 info);
1179
1180 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1181
1182 done:
1183 if (pipe_hnd) {
1184 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1185 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1186 cli_rpc_pipe_close(pipe_hnd);
1187 }
1188
1189 if (cli) {
1190 cli_shutdown(cli);
1191 }
1192
1193 return status;
1194 }
1195
1196 /****************************************************************
1197 ****************************************************************/
1198
1199 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1200 {
1201 WERROR werr;
1202 struct libnet_conf_ctx *ctx;
1203
1204 werr = libnet_conf_open(r, &ctx);
1205 if (!W_ERROR_IS_OK(werr)) {
1206 goto done;
1207 }
1208
1209 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1210
1211 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
1212 W_ERROR_NOT_OK_GOTO_DONE(werr);
1213
1214 werr = libnet_conf_set_global_parameter(ctx, "workgroup",
1215 r->in.domain_name);
1216 goto done;
1217 }
1218
1219 werr = libnet_conf_set_global_parameter(ctx, "security", "domain");
1220 W_ERROR_NOT_OK_GOTO_DONE(werr);
1221
1222 werr = libnet_conf_set_global_parameter(ctx, "workgroup",
1223 r->out.netbios_domain_name);
1224 W_ERROR_NOT_OK_GOTO_DONE(werr);
1225
1226 if (r->out.domain_is_ad) {
1227 werr = libnet_conf_set_global_parameter(ctx, "security", "ads");
1228 W_ERROR_NOT_OK_GOTO_DONE(werr);
1229
1230 werr = libnet_conf_set_global_parameter(ctx, "realm",
1231 r->out.dns_domain_name);
1232 W_ERROR_NOT_OK_GOTO_DONE(werr);
1233 }
1234
1235 done:
1236 libnet_conf_close(ctx);
1237 return werr;
1238 }
1239
1240 /****************************************************************
1241 ****************************************************************/
1242
1243 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1244 {
1245 WERROR werr = WERR_OK;
1246 struct libnet_conf_ctx *ctx;
1247
1248 werr = libnet_conf_open(r, &ctx);
1249 if (!W_ERROR_IS_OK(werr)) {
1250 goto done;
1251 }
1252
1253 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1254
1255 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
1256 W_ERROR_NOT_OK_GOTO_DONE(werr);
1257 libnet_conf_delete_global_parameter(ctx, "realm");
1258 }
1259
1260 done:
1261 libnet_conf_close(ctx);
1262 return werr;
1263 }
1264
1265 /****************************************************************
1266 ****************************************************************/
1267
1268 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1269 {
1270 WERROR werr;
1271
1272 if (!W_ERROR_IS_OK(r->out.result)) {
1273 return r->out.result;
1274 }
1275
1276 if (!r->in.modify_config) {
1277 return WERR_OK;
1278 }
1279
1280 werr = do_join_modify_vals_config(r);
1281 if (!W_ERROR_IS_OK(werr)) {
1282 return werr;
1283 }
1284
1285 r->out.modified_config = true;
1286 r->out.result = werr;
1287
1288 return werr;
1289 }
1290
1291 /****************************************************************
1292 ****************************************************************/
1293
1294 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1295 {
1296 WERROR werr;
1297
1298 if (!W_ERROR_IS_OK(r->out.result)) {
1299 return r->out.result;
1300 }
1301
1302 if (!r->in.modify_config) {
1303 return WERR_OK;
1304 }
1305
1306 werr = do_unjoin_modify_vals_config(r);
1307 if (!W_ERROR_IS_OK(werr)) {
1308 return werr;
1309 }
1310
1311 r->out.modified_config = true;
1312 r->out.result = werr;
1313
1314 return werr;
1315 }
1316
1317 /****************************************************************
1318 ****************************************************************/
1319
1320 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1321 struct libnet_JoinCtx *r)
1322 {
1323 if (!r->in.domain_name) {
1324 libnet_join_set_error_string(mem_ctx, r,
1325 "No domain name defined");
1326 return WERR_INVALID_PARAM;
1327 }
1328
1329 if (r->in.modify_config && !lp_config_backend_is_registry()) {
1330 libnet_join_set_error_string(mem_ctx, r,
1331 "Configuration manipulation requested but not "
1332 "supported by backend");
1333 return WERR_NOT_SUPPORTED;
1334 }
1335
1336 if (IS_DC) {
1337 return WERR_SETUP_DOMAIN_CONTROLLER;
1338 }
1339
1340 if (!secrets_init()) {
1341 libnet_join_set_error_string(mem_ctx, r,
1342 "Unable to open secrets database");
1343 return WERR_CAN_NOT_COMPLETE;
1344 }
1345
1346 return WERR_OK;
1347 }
1348
1349 /****************************************************************
1350 ****************************************************************/
1351
1352 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1353 struct libnet_JoinCtx *r)
1354 {
1355 WERROR werr;
1356
1357 if (!W_ERROR_IS_OK(r->out.result)) {
1358 return r->out.result;
1359 }
1360
1361 werr = do_JoinConfig(r);
1362 if (!W_ERROR_IS_OK(werr)) {
1363 return werr;
1364 }
1365
1366 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1367 saf_store(r->in.domain_name, r->in.dc_name);
1368 }
1369
1370 return WERR_OK;
1371 }
1372
1373 /****************************************************************
1374 ****************************************************************/
1375
1376 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1377 {
1378 if (r->in.ads) {
1379 ads_destroy(&r->in.ads);
1380 }
1381
1382 return 0;
1383 }
1384
1385 /****************************************************************
1386 ****************************************************************/
1387
1388 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1389 {
1390 if (r->in.ads) {
1391 ads_destroy(&r->in.ads);
1392 }
1393
1394 return 0;
1395 }
1396
1397 /****************************************************************
1398 ****************************************************************/
1399
1400 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1401 struct libnet_JoinCtx **r)
1402 {
1403 struct libnet_JoinCtx *ctx;
1404
1405 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1406 if (!ctx) {
1407 return WERR_NOMEM;
1408 }
1409
1410 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1411
1412 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1413 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1414
1415 *r = ctx;
1416
1417 return WERR_OK;
1418 }
1419
1420 /****************************************************************
1421 ****************************************************************/
1422
1423 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1424 struct libnet_UnjoinCtx **r)
1425 {
1426 struct libnet_UnjoinCtx *ctx;
1427
1428 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1429 if (!ctx) {
1430 return WERR_NOMEM;
1431 }
1432
1433 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1434
1435 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1436 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1437
1438 *r = ctx;
1439
1440 return WERR_OK;
1441 }
1442
1443 /****************************************************************
1444 ****************************************************************/
1445
1446 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1447 struct libnet_JoinCtx *r)
1448 {
1449 NTSTATUS status;
1450 #ifdef WITH_ADS
1451 ADS_STATUS ads_status;
1452 #endif /* WITH_ADS */
1453
1454 if (!r->in.dc_name) {
1455 struct netr_DsRGetDCNameInfo *info;
1456 status = dsgetdcname(mem_ctx,
1457 r->in.domain_name,
1458 NULL,
1459 NULL,
1460 DS_DIRECTORY_SERVICE_REQUIRED |
1461 DS_WRITABLE_REQUIRED |
1462 DS_RETURN_DNS_NAME,
1463 &info);
1464 if (!NT_STATUS_IS_OK(status)) {
1465 libnet_join_set_error_string(mem_ctx, r,
1466 "failed to find DC for domain %s",
1467 r->in.domain_name,
1468 get_friendly_nt_error_msg(status));
1469 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1470 }
1471
1472 r->in.dc_name = talloc_strdup(mem_ctx,
1473 info->dc_unc);
1474 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1475 }
1476
1477 #ifdef WITH_ADS
1478 if (r->in.account_ou) {
1479
1480 ads_status = libnet_join_connect_ads(mem_ctx, r);
1481 if (!ADS_ERR_OK(ads_status)) {
1482 return WERR_DEFAULT_JOIN_REQUIRED;
1483 }
1484
1485 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1486 if (!ADS_ERR_OK(ads_status)) {
1487 libnet_join_set_error_string(mem_ctx, r,
1488 "failed to precreate account in ou %s: %s",
1489 r->in.account_ou,
1490 ads_errstr(ads_status));
1491 return WERR_DEFAULT_JOIN_REQUIRED;
1492 }
1493
1494 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1495 }
1496 #endif /* WITH_ADS */
1497
1498 status = libnet_join_joindomain_rpc(mem_ctx, r);
1499 if (!NT_STATUS_IS_OK(status)) {
1500 libnet_join_set_error_string(mem_ctx, r,
1501 "failed to join domain over rpc: %s",
1502 get_friendly_nt_error_msg(status));
1503 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1504 return WERR_SETUP_ALREADY_JOINED;
1505 }
1506 return ntstatus_to_werror(status);
1507 }
1508
1509 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1510 return WERR_SETUP_NOT_JOINED;
1511 }
1512
1513 #ifdef WITH_ADS
1514 if (r->out.domain_is_ad) {
1515 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1516 if (!ADS_ERR_OK(ads_status)) {
1517 return WERR_GENERAL_FAILURE;
1518 }
1519 }
1520 #endif /* WITH_ADS */
1521
1522 return WERR_OK;
1523 }
1524
1525 /****************************************************************
1526 ****************************************************************/
1527
1528 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1529 struct libnet_JoinCtx *r)
1530 {
1531 WERROR werr;
1532
1533 if (r->in.debug) {
1534 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1535 }
1536
1537 werr = libnet_join_pre_processing(mem_ctx, r);
1538 if (!W_ERROR_IS_OK(werr)) {
1539 goto done;
1540 }
1541
1542 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1543 werr = libnet_DomainJoin(mem_ctx, r);
1544 if (!W_ERROR_IS_OK(werr)) {
1545 goto done;
1546 }
1547
1548 werr = libnet_join_post_verify(mem_ctx, r);
1549 if (!W_ERROR_IS_OK(werr)) {
1550 goto done;
1551 }
1552 }
1553
1554 werr = libnet_join_post_processing(mem_ctx, r);
1555 if (!W_ERROR_IS_OK(werr)) {
1556 goto done;
1557 }
1558 done:
1559 r->out.result = werr;
1560
1561 if (r->in.debug) {
1562 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1563 }
1564 return werr;
1565 }
1566
1567 /****************************************************************
1568 ****************************************************************/
1569
1570 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1571 struct libnet_UnjoinCtx *r)
1572 {
1573 NTSTATUS status;
1574
1575 if (!r->in.domain_sid) {
1576 struct dom_sid sid;
1577 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1578 libnet_unjoin_set_error_string(mem_ctx, r,
1579 "Unable to fetch domain sid: are we joined?");
1580 return WERR_SETUP_NOT_JOINED;
1581 }
1582 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1583 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1584 }
1585
1586 if (!r->in.dc_name) {
1587 struct netr_DsRGetDCNameInfo *info;
1588 status = dsgetdcname(mem_ctx,
1589 r->in.domain_name,
1590 NULL,
1591 NULL,
1592 DS_DIRECTORY_SERVICE_REQUIRED |
1593 DS_WRITABLE_REQUIRED |
1594 DS_RETURN_DNS_NAME,
1595 &info);
1596 if (!NT_STATUS_IS_OK(status)) {
1597 libnet_unjoin_set_error_string(mem_ctx, r,
1598 "failed to find DC for domain %s",
1599 r->in.domain_name,
1600 get_friendly_nt_error_msg(status));
1601 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1602 }
1603
1604 r->in.dc_name = talloc_strdup(mem_ctx,
1605 info->dc_unc);
1606 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1607 }
1608
1609 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1610 if (!NT_STATUS_IS_OK(status)) {
1611 libnet_unjoin_set_error_string(mem_ctx, r,
1612 "failed to disable machine account via rpc: %s",
1613 get_friendly_nt_error_msg(status));
1614 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1615 return WERR_SETUP_NOT_JOINED;
1616 }
1617 return ntstatus_to_werror(status);
1618 }
1619
1620 r->out.disabled_machine_account = true;
1621
1622 #ifdef WITH_ADS
1623 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1624 ADS_STATUS ads_status;
1625 libnet_unjoin_connect_ads(mem_ctx, r);
1626 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1627 if (!ADS_ERR_OK(ads_status)) {
1628 libnet_unjoin_set_error_string(mem_ctx, r,
1629 "failed to remove machine account from AD: %s",
1630 ads_errstr(ads_status));
1631 } else {
1632 r->out.deleted_machine_account = true;
1633 /* dirty hack */
1634 r->out.dns_domain_name = talloc_strdup(mem_ctx,
1635 r->in.ads->server.realm);
1636 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1637 }
1638 }
1639 #endif /* WITH_ADS */
1640
1641 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1642
1643 return WERR_OK;
1644 }
1645
1646 /****************************************************************
1647 ****************************************************************/
1648
1649 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1650 struct libnet_UnjoinCtx *r)
1651 {
1652 if (!r->in.domain_name) {
1653 libnet_unjoin_set_error_string(mem_ctx, r,
1654 "No domain name defined");
1655 return WERR_INVALID_PARAM;
1656 }
1657
1658 if (r->in.modify_config && !lp_config_backend_is_registry()) {
1659 libnet_unjoin_set_error_string(mem_ctx, r,
1660 "Configuration manipulation requested but not "
1661 "supported by backend");
1662 return WERR_NOT_SUPPORTED;
1663 }
1664
1665 if (IS_DC) {
1666 return WERR_SETUP_DOMAIN_CONTROLLER;
1667 }
1668
1669 if (!secrets_init()) {
1670 libnet_unjoin_set_error_string(mem_ctx, r,
1671 "Unable to open secrets database");
1672 return WERR_CAN_NOT_COMPLETE;
1673 }
1674
1675 return WERR_OK;
1676 }
1677
1678 /****************************************************************
1679 ****************************************************************/
1680
1681 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
1682 struct libnet_UnjoinCtx *r)
1683 {
1684 saf_delete(r->out.netbios_domain_name);
1685 saf_delete(r->out.dns_domain_name);
1686
1687 return libnet_unjoin_config(r);
1688 }
1689
1690 /****************************************************************
1691 ****************************************************************/
1692
1693 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1694 struct libnet_UnjoinCtx *r)
1695 {
1696 WERROR werr;
1697
1698 if (r->in.debug) {
1699 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1700 }
1701
1702 werr = libnet_unjoin_pre_processing(mem_ctx, r);
1703 if (!W_ERROR_IS_OK(werr)) {
1704 goto done;
1705 }
1706
1707 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1708 werr = libnet_DomainUnjoin(mem_ctx, r);
1709 if (!W_ERROR_IS_OK(werr)) {
1710 libnet_unjoin_config(r);
1711 goto done;
1712 }
1713 }
1714
1715 werr = libnet_unjoin_post_processing(mem_ctx, r);
1716 if (!W_ERROR_IS_OK(werr)) {
1717 goto done;
1718 }
1719
1720 done:
1721 r->out.result = werr;
1722
1723 if (r->in.debug) {
1724 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
1725 }
1726
1727 return werr;
1728 }
WIP