source: vendor/3.6.0/source3/libnet/libnet_join.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 58.3 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include "includes.h"
22#include "ads.h"
23#include "librpc/gen_ndr/ndr_libnet_join.h"
24#include "libnet/libnet_join.h"
25#include "libcli/auth/libcli_auth.h"
26#include "../librpc/gen_ndr/ndr_samr_c.h"
27#include "rpc_client/init_samr.h"
28#include "../librpc/gen_ndr/ndr_lsa_c.h"
29#include "rpc_client/cli_lsarpc.h"
30#include "../librpc/gen_ndr/ndr_netlogon.h"
31#include "rpc_client/cli_netlogon.h"
32#include "lib/smbconf/smbconf.h"
33#include "lib/smbconf/smbconf_reg.h"
34#include "../libds/common/flags.h"
35#include "secrets.h"
36#include "rpc_client/init_lsa.h"
37#include "rpc_client/cli_pipe.h"
38#include "krb5_env.h"
39#include "../libcli/security/security.h"
40#include "passdb.h"
41#include "libsmb/libsmb.h"
42
43/****************************************************************
44****************************************************************/
45
46#define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
47 do { \
48 char *str = NULL; \
49 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
50 DEBUG(1,("libnet_Join:\n%s", str)); \
51 TALLOC_FREE(str); \
52 } while (0)
53
54#define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
55 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
56#define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
57 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
58
59#define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
60 do { \
61 char *str = NULL; \
62 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
63 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
64 TALLOC_FREE(str); \
65 } while (0)
66
67#define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
68 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
69#define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
70 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
71
72/****************************************************************
73****************************************************************/
74
75static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
76 struct libnet_JoinCtx *r,
77 const char *format, ...)
78{
79 va_list args;
80
81 if (r->out.error_string) {
82 return;
83 }
84
85 va_start(args, format);
86 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
87 va_end(args);
88}
89
90/****************************************************************
91****************************************************************/
92
93static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
94 struct libnet_UnjoinCtx *r,
95 const char *format, ...)
96{
97 va_list args;
98
99 if (r->out.error_string) {
100 return;
101 }
102
103 va_start(args, format);
104 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
105 va_end(args);
106}
107
108#ifdef HAVE_ADS
109
110/****************************************************************
111****************************************************************/
112
113static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
114 const char *netbios_domain_name,
115 const char *dc_name,
116 const char *user_name,
117 const char *password,
118 ADS_STRUCT **ads)
119{
120 ADS_STATUS status;
121 ADS_STRUCT *my_ads = NULL;
122 char *cp;
123
124 my_ads = ads_init(dns_domain_name,
125 netbios_domain_name,
126 dc_name);
127 if (!my_ads) {
128 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
129 }
130
131 if (user_name) {
132 SAFE_FREE(my_ads->auth.user_name);
133 my_ads->auth.user_name = SMB_STRDUP(user_name);
134 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
135 *cp++ = '\0';
136 SAFE_FREE(my_ads->auth.realm);
137 my_ads->auth.realm = smb_xstrdup(cp);
138 strupper_m(my_ads->auth.realm);
139 }
140 }
141
142 if (password) {
143 SAFE_FREE(my_ads->auth.password);
144 my_ads->auth.password = SMB_STRDUP(password);
145 }
146
147 status = ads_connect_user_creds(my_ads);
148 if (!ADS_ERR_OK(status)) {
149 ads_destroy(&my_ads);
150 return status;
151 }
152
153 *ads = my_ads;
154 return ADS_SUCCESS;
155}
156
157/****************************************************************
158****************************************************************/
159
160static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
161 struct libnet_JoinCtx *r)
162{
163 ADS_STATUS status;
164
165 status = libnet_connect_ads(r->out.dns_domain_name,
166 r->out.netbios_domain_name,
167 r->in.dc_name,
168 r->in.admin_account,
169 r->in.admin_password,
170 &r->in.ads);
171 if (!ADS_ERR_OK(status)) {
172 libnet_join_set_error_string(mem_ctx, r,
173 "failed to connect to AD: %s",
174 ads_errstr(status));
175 return status;
176 }
177
178 if (!r->out.netbios_domain_name) {
179 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
180 r->in.ads->server.workgroup);
181 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
182 }
183
184 if (!r->out.dns_domain_name) {
185 r->out.dns_domain_name = talloc_strdup(mem_ctx,
186 r->in.ads->config.realm);
187 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
188 }
189
190 r->out.domain_is_ad = true;
191
192 return ADS_SUCCESS;
193}
194
195/****************************************************************
196****************************************************************/
197
198static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
199 struct libnet_UnjoinCtx *r)
200{
201 ADS_STATUS status;
202
203 status = libnet_connect_ads(r->in.domain_name,
204 r->in.domain_name,
205 r->in.dc_name,
206 r->in.admin_account,
207 r->in.admin_password,
208 &r->in.ads);
209 if (!ADS_ERR_OK(status)) {
210 libnet_unjoin_set_error_string(mem_ctx, r,
211 "failed to connect to AD: %s",
212 ads_errstr(status));
213 }
214
215 return status;
216}
217
218/****************************************************************
219 join a domain using ADS (LDAP mods)
220****************************************************************/
221
222static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
223 struct libnet_JoinCtx *r)
224{
225 ADS_STATUS status;
226 LDAPMessage *res = NULL;
227 const char *attrs[] = { "dn", NULL };
228 bool moved = false;
229
230 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
231 if (!ADS_ERR_OK(status)) {
232 return status;
233 }
234
235 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
236 if (!ADS_ERR_OK(status)) {
237 return status;
238 }
239
240 if (ads_count_replies(r->in.ads, res) != 1) {
241 ads_msgfree(r->in.ads, res);
242 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
243 }
244
245 ads_msgfree(r->in.ads, res);
246
247 /* Attempt to create the machine account and bail if this fails.
248 Assume that the admin wants exactly what they requested */
249
250 status = ads_create_machine_acct(r->in.ads,
251 r->in.machine_name,
252 r->in.account_ou);
253
254 if (ADS_ERR_OK(status)) {
255 DEBUG(1,("machine account creation created\n"));
256 return status;
257 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
258 (status.err.rc == LDAP_ALREADY_EXISTS)) {
259 status = ADS_SUCCESS;
260 }
261
262 if (!ADS_ERR_OK(status)) {
263 DEBUG(1,("machine account creation failed\n"));
264 return status;
265 }
266
267 status = ads_move_machine_acct(r->in.ads,
268 r->in.machine_name,
269 r->in.account_ou,
270 &moved);
271 if (!ADS_ERR_OK(status)) {
272 DEBUG(1,("failure to locate/move pre-existing "
273 "machine account\n"));
274 return status;
275 }
276
277 DEBUG(1,("The machine account %s the specified OU.\n",
278 moved ? "was moved into" : "already exists in"));
279
280 return status;
281}
282
283/****************************************************************
284****************************************************************/
285
286static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
287 struct libnet_UnjoinCtx *r)
288{
289 ADS_STATUS status;
290
291 if (!r->in.ads) {
292 status = libnet_unjoin_connect_ads(mem_ctx, r);
293 if (!ADS_ERR_OK(status)) {
294 libnet_unjoin_set_error_string(mem_ctx, r,
295 "failed to connect to AD: %s",
296 ads_errstr(status));
297 return status;
298 }
299 }
300
301 status = ads_leave_realm(r->in.ads, r->in.machine_name);
302 if (!ADS_ERR_OK(status)) {
303 libnet_unjoin_set_error_string(mem_ctx, r,
304 "failed to leave realm: %s",
305 ads_errstr(status));
306 return status;
307 }
308
309 return ADS_SUCCESS;
310}
311
312/****************************************************************
313****************************************************************/
314
315static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
316 struct libnet_JoinCtx *r)
317{
318 ADS_STATUS status;
319 LDAPMessage *res = NULL;
320 char *dn = NULL;
321
322 if (!r->in.machine_name) {
323 return ADS_ERROR(LDAP_NO_MEMORY);
324 }
325
326 status = ads_find_machine_acct(r->in.ads,
327 &res,
328 r->in.machine_name);
329 if (!ADS_ERR_OK(status)) {
330 return status;
331 }
332
333 if (ads_count_replies(r->in.ads, res) != 1) {
334 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
335 goto done;
336 }
337
338 dn = ads_get_dn(r->in.ads, mem_ctx, res);
339 if (!dn) {
340 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
341 goto done;
342 }
343
344 r->out.dn = talloc_strdup(mem_ctx, dn);
345 if (!r->out.dn) {
346 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
347 goto done;
348 }
349
350 done:
351 ads_msgfree(r->in.ads, res);
352 TALLOC_FREE(dn);
353
354 return status;
355}
356
357/****************************************************************
358 Set a machines dNSHostName and servicePrincipalName attributes
359****************************************************************/
360
361static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
362 struct libnet_JoinCtx *r)
363{
364 ADS_STATUS status;
365 ADS_MODLIST mods;
366 fstring my_fqdn;
367 const char *spn_array[3] = {NULL, NULL, NULL};
368 char *spn = NULL;
369
370 /* Find our DN */
371
372 status = libnet_join_find_machine_acct(mem_ctx, r);
373 if (!ADS_ERR_OK(status)) {
374 return status;
375 }
376
377 /* Windows only creates HOST/shortname & HOST/fqdn. */
378
379 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
380 if (!spn) {
381 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
382 }
383 strupper_m(spn);
384 spn_array[0] = spn;
385
386 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
387 || (strchr(my_fqdn, '.') == NULL)) {
388 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
389 r->out.dns_domain_name);
390 }
391
392 strlower_m(my_fqdn);
393
394 if (!strequal(my_fqdn, r->in.machine_name)) {
395 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
396 if (!spn) {
397 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
398 }
399 spn_array[1] = spn;
400 }
401
402 mods = ads_init_mods(mem_ctx);
403 if (!mods) {
404 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
405 }
406
407 /* fields of primary importance */
408
409 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
410 if (!ADS_ERR_OK(status)) {
411 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
412 }
413
414 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
415 spn_array);
416 if (!ADS_ERR_OK(status)) {
417 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
418 }
419
420 return ads_gen_mod(r->in.ads, r->out.dn, mods);
421}
422
423/****************************************************************
424****************************************************************/
425
426static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
427 struct libnet_JoinCtx *r)
428{
429 ADS_STATUS status;
430 ADS_MODLIST mods;
431
432 if (!r->in.create_upn) {
433 return ADS_SUCCESS;
434 }
435
436 /* Find our DN */
437
438 status = libnet_join_find_machine_acct(mem_ctx, r);
439 if (!ADS_ERR_OK(status)) {
440 return status;
441 }
442
443 if (!r->in.upn) {
444 r->in.upn = talloc_asprintf(mem_ctx,
445 "host/%s@%s",
446 r->in.machine_name,
447 r->out.dns_domain_name);
448 if (!r->in.upn) {
449 return ADS_ERROR(LDAP_NO_MEMORY);
450 }
451 }
452
453 /* now do the mods */
454
455 mods = ads_init_mods(mem_ctx);
456 if (!mods) {
457 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
458 }
459
460 /* fields of primary importance */
461
462 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
463 if (!ADS_ERR_OK(status)) {
464 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
465 }
466
467 return ads_gen_mod(r->in.ads, r->out.dn, mods);
468}
469
470
471/****************************************************************
472****************************************************************/
473
474static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
475 struct libnet_JoinCtx *r)
476{
477 ADS_STATUS status;
478 ADS_MODLIST mods;
479 char *os_sp = NULL;
480
481 if (!r->in.os_name || !r->in.os_version ) {
482 return ADS_SUCCESS;
483 }
484
485 /* Find our DN */
486
487 status = libnet_join_find_machine_acct(mem_ctx, r);
488 if (!ADS_ERR_OK(status)) {
489 return status;
490 }
491
492 /* now do the mods */
493
494 mods = ads_init_mods(mem_ctx);
495 if (!mods) {
496 return ADS_ERROR(LDAP_NO_MEMORY);
497 }
498
499 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
500 if (!os_sp) {
501 return ADS_ERROR(LDAP_NO_MEMORY);
502 }
503
504 /* fields of primary importance */
505
506 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
507 r->in.os_name);
508 if (!ADS_ERR_OK(status)) {
509 return status;
510 }
511
512 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
513 r->in.os_version);
514 if (!ADS_ERR_OK(status)) {
515 return status;
516 }
517
518 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
519 os_sp);
520 if (!ADS_ERR_OK(status)) {
521 return status;
522 }
523
524 return ads_gen_mod(r->in.ads, r->out.dn, mods);
525}
526
527/****************************************************************
528****************************************************************/
529
530static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
531 struct libnet_JoinCtx *r)
532{
533 if (!USE_SYSTEM_KEYTAB) {
534 return true;
535 }
536
537 if (ads_keytab_create_default(r->in.ads) != 0) {
538 return false;
539 }
540
541 return true;
542}
543
544/****************************************************************
545****************************************************************/
546
547static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
548 struct libnet_JoinCtx *r)
549{
550 uint32_t domain_func;
551 ADS_STATUS status;
552 const char *salt = NULL;
553 char *std_salt = NULL;
554
555 status = ads_domain_func_level(r->in.ads, &domain_func);
556 if (!ADS_ERR_OK(status)) {
557 libnet_join_set_error_string(mem_ctx, r,
558 "failed to determine domain functional level: %s",
559 ads_errstr(status));
560 return false;
561 }
562
563 /* go ahead and setup the default salt */
564
565 std_salt = kerberos_standard_des_salt();
566 if (!std_salt) {
567 libnet_join_set_error_string(mem_ctx, r,
568 "failed to obtain standard DES salt");
569 return false;
570 }
571
572 salt = talloc_strdup(mem_ctx, std_salt);
573 if (!salt) {
574 return false;
575 }
576
577 SAFE_FREE(std_salt);
578
579 /* if it's a Windows functional domain, we have to look for the UPN */
580
581 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
582 char *upn;
583
584 upn = ads_get_upn(r->in.ads, mem_ctx,
585 r->in.machine_name);
586 if (upn) {
587 salt = talloc_strdup(mem_ctx, upn);
588 if (!salt) {
589 return false;
590 }
591 }
592 }
593
594 return kerberos_secrets_store_des_salt(salt);
595}
596
597/****************************************************************
598****************************************************************/
599
600static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
601 struct libnet_JoinCtx *r)
602{
603 ADS_STATUS status;
604
605 if (!r->in.ads) {
606 status = libnet_join_connect_ads(mem_ctx, r);
607 if (!ADS_ERR_OK(status)) {
608 return status;
609 }
610 }
611
612 status = libnet_join_set_machine_spn(mem_ctx, r);
613 if (!ADS_ERR_OK(status)) {
614 libnet_join_set_error_string(mem_ctx, r,
615 "failed to set machine spn: %s",
616 ads_errstr(status));
617 return status;
618 }
619
620 status = libnet_join_set_os_attributes(mem_ctx, r);
621 if (!ADS_ERR_OK(status)) {
622 libnet_join_set_error_string(mem_ctx, r,
623 "failed to set machine os attributes: %s",
624 ads_errstr(status));
625 return status;
626 }
627
628 status = libnet_join_set_machine_upn(mem_ctx, r);
629 if (!ADS_ERR_OK(status)) {
630 libnet_join_set_error_string(mem_ctx, r,
631 "failed to set machine upn: %s",
632 ads_errstr(status));
633 return status;
634 }
635
636 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
637 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
638 }
639
640 if (!libnet_join_create_keytab(mem_ctx, r)) {
641 libnet_join_set_error_string(mem_ctx, r,
642 "failed to create kerberos keytab");
643 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
644 }
645
646 return ADS_SUCCESS;
647}
648#endif /* HAVE_ADS */
649
650/****************************************************************
651 Store the machine password and domain SID
652****************************************************************/
653
654static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
655 struct libnet_JoinCtx *r)
656{
657 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
658 r->out.domain_sid))
659 {
660 DEBUG(1,("Failed to save domain sid\n"));
661 return false;
662 }
663
664 if (!secrets_store_machine_password(r->in.machine_password,
665 r->out.netbios_domain_name,
666 r->in.secure_channel_type))
667 {
668 DEBUG(1,("Failed to save machine password\n"));
669 return false;
670 }
671
672 return true;
673}
674
675/****************************************************************
676 Connect dc's IPC$ share
677****************************************************************/
678
679static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
680 const char *user,
681 const char *pass,
682 bool use_kerberos,
683 struct cli_state **cli)
684{
685 int flags = 0;
686
687 if (use_kerberos) {
688 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
689 }
690
691 if (use_kerberos && pass) {
692 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
693 }
694
695 return cli_full_connection(cli, NULL,
696 dc,
697 NULL, 0,
698 "IPC$", "IPC",
699 user,
700 NULL,
701 pass,
702 flags,
703 Undefined);
704}
705
706/****************************************************************
707 Lookup domain dc's info
708****************************************************************/
709
710static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
711 struct libnet_JoinCtx *r,
712 struct cli_state **cli)
713{
714 struct rpc_pipe_client *pipe_hnd = NULL;
715 struct policy_handle lsa_pol;
716 NTSTATUS status, result;
717 union lsa_PolicyInformation *info = NULL;
718 struct dcerpc_binding_handle *b;
719
720 status = libnet_join_connect_dc_ipc(r->in.dc_name,
721 r->in.admin_account,
722 r->in.admin_password,
723 r->in.use_kerberos,
724 cli);
725 if (!NT_STATUS_IS_OK(status)) {
726 goto done;
727 }
728
729 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
730 &pipe_hnd);
731 if (!NT_STATUS_IS_OK(status)) {
732 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
733 nt_errstr(status)));
734 goto done;
735 }
736
737 b = pipe_hnd->binding_handle;
738
739 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
740 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
741 if (!NT_STATUS_IS_OK(status)) {
742 goto done;
743 }
744
745 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
746 &lsa_pol,
747 LSA_POLICY_INFO_DNS,
748 &info,
749 &result);
750 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
751 r->out.domain_is_ad = true;
752 r->out.netbios_domain_name = info->dns.name.string;
753 r->out.dns_domain_name = info->dns.dns_domain.string;
754 r->out.forest_name = info->dns.dns_forest.string;
755 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
756 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
757 }
758
759 if (!NT_STATUS_IS_OK(status)) {
760 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
761 &lsa_pol,
762 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
763 &info,
764 &result);
765 if (!NT_STATUS_IS_OK(status)) {
766 goto done;
767 }
768 if (!NT_STATUS_IS_OK(result)) {
769 status = result;
770 goto done;
771 }
772
773 r->out.netbios_domain_name = info->account_domain.name.string;
774 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
775 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
776 }
777
778 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
779 TALLOC_FREE(pipe_hnd);
780
781 done:
782 return status;
783}
784
785/****************************************************************
786 Do the domain join unsecure
787****************************************************************/
788
789static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
790 struct libnet_JoinCtx *r,
791 struct cli_state *cli)
792{
793 struct rpc_pipe_client *pipe_hnd = NULL;
794 unsigned char orig_trust_passwd_hash[16];
795 unsigned char new_trust_passwd_hash[16];
796 fstring trust_passwd;
797 NTSTATUS status;
798
799 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
800 &pipe_hnd);
801 if (!NT_STATUS_IS_OK(status)) {
802 return status;
803 }
804
805 if (!r->in.machine_password) {
806 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
807 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
808 }
809
810 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
811
812 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
813 fstrcpy(trust_passwd, r->in.admin_password);
814 strlower_m(trust_passwd);
815
816 /*
817 * Machine names can be 15 characters, but the max length on
818 * a password is 14. --jerry
819 */
820
821 trust_passwd[14] = '\0';
822
823 E_md4hash(trust_passwd, orig_trust_passwd_hash);
824
825 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
826 r->in.machine_name,
827 orig_trust_passwd_hash,
828 r->in.machine_password,
829 new_trust_passwd_hash,
830 r->in.secure_channel_type);
831
832 return status;
833}
834
835/****************************************************************
836 Do the domain join
837****************************************************************/
838
839static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
840 struct libnet_JoinCtx *r,
841 struct cli_state *cli)
842{
843 struct rpc_pipe_client *pipe_hnd = NULL;
844 struct policy_handle sam_pol, domain_pol, user_pol;
845 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
846 char *acct_name;
847 struct lsa_String lsa_acct_name;
848 uint32_t user_rid;
849 uint32_t acct_flags = ACB_WSTRUST;
850 struct samr_Ids user_rids;
851 struct samr_Ids name_types;
852 union samr_UserInfo user_info;
853 struct dcerpc_binding_handle *b = NULL;
854
855 struct samr_CryptPassword crypt_pwd;
856 struct samr_CryptPasswordEx crypt_pwd_ex;
857
858 ZERO_STRUCT(sam_pol);
859 ZERO_STRUCT(domain_pol);
860 ZERO_STRUCT(user_pol);
861
862 switch (r->in.secure_channel_type) {
863 case SEC_CHAN_WKSTA:
864 acct_flags = ACB_WSTRUST;
865 break;
866 case SEC_CHAN_BDC:
867 acct_flags = ACB_SVRTRUST;
868 break;
869 default:
870 return NT_STATUS_INVALID_PARAMETER;
871 }
872
873 if (!r->in.machine_password) {
874 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
875 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
876 }
877
878 /* Open the domain */
879
880 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
881 &pipe_hnd);
882 if (!NT_STATUS_IS_OK(status)) {
883 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
884 nt_errstr(status)));
885 goto done;
886 }
887
888 b = pipe_hnd->binding_handle;
889
890 status = dcerpc_samr_Connect2(b, mem_ctx,
891 pipe_hnd->desthost,
892 SAMR_ACCESS_ENUM_DOMAINS
893 | SAMR_ACCESS_LOOKUP_DOMAIN,
894 &sam_pol,
895 &result);
896 if (!NT_STATUS_IS_OK(status)) {
897 goto done;
898 }
899 if (!NT_STATUS_IS_OK(result)) {
900 status = result;
901 goto done;
902 }
903
904 status = dcerpc_samr_OpenDomain(b, mem_ctx,
905 &sam_pol,
906 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
907 | SAMR_DOMAIN_ACCESS_CREATE_USER
908 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
909 r->out.domain_sid,
910 &domain_pol,
911 &result);
912 if (!NT_STATUS_IS_OK(status)) {
913 goto done;
914 }
915 if (!NT_STATUS_IS_OK(result)) {
916 status = result;
917 goto done;
918 }
919
920 /* Create domain user */
921
922 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
923 strlower_m(acct_name);
924
925 init_lsa_String(&lsa_acct_name, acct_name);
926
927 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
928 uint32_t access_desired =
929 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
930 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
931 SAMR_USER_ACCESS_SET_PASSWORD |
932 SAMR_USER_ACCESS_GET_ATTRIBUTES |
933 SAMR_USER_ACCESS_SET_ATTRIBUTES;
934 uint32_t access_granted = 0;
935
936 DEBUG(10,("Creating account with desired access mask: %d\n",
937 access_desired));
938
939 status = dcerpc_samr_CreateUser2(b, mem_ctx,
940 &domain_pol,
941 &lsa_acct_name,
942 acct_flags,
943 access_desired,
944 &user_pol,
945 &access_granted,
946 &user_rid,
947 &result);
948 if (!NT_STATUS_IS_OK(status)) {
949 goto done;
950 }
951
952 status = result;
953 if (!NT_STATUS_IS_OK(status) &&
954 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
955
956 DEBUG(10,("Creation of workstation account failed: %s\n",
957 nt_errstr(status)));
958
959 /* If NT_STATUS_ACCESS_DENIED then we have a valid
960 username/password combo but the user does not have
961 administrator access. */
962
963 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
964 libnet_join_set_error_string(mem_ctx, r,
965 "User specified does not have "
966 "administrator privileges");
967 }
968
969 goto done;
970 }
971
972 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
973 if (!(r->in.join_flags &
974 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
975 goto done;
976 }
977 }
978
979 /* We *must* do this.... don't ask... */
980
981 if (NT_STATUS_IS_OK(status)) {
982 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
983 }
984 }
985
986 status = dcerpc_samr_LookupNames(b, mem_ctx,
987 &domain_pol,
988 1,
989 &lsa_acct_name,
990 &user_rids,
991 &name_types,
992 &result);
993 if (!NT_STATUS_IS_OK(status)) {
994 goto done;
995 }
996 if (!NT_STATUS_IS_OK(result)) {
997 status = result;
998 goto done;
999 }
1000
1001 if (name_types.ids[0] != SID_NAME_USER) {
1002 DEBUG(0,("%s is not a user account (type=%d)\n",
1003 acct_name, name_types.ids[0]));
1004 status = NT_STATUS_INVALID_WORKSTATION;
1005 goto done;
1006 }
1007
1008 user_rid = user_rids.ids[0];
1009
1010 /* Open handle on user */
1011
1012 status = dcerpc_samr_OpenUser(b, mem_ctx,
1013 &domain_pol,
1014 SEC_FLAG_MAXIMUM_ALLOWED,
1015 user_rid,
1016 &user_pol,
1017 &result);
1018 if (!NT_STATUS_IS_OK(status)) {
1019 goto done;
1020 }
1021 if (!NT_STATUS_IS_OK(result)) {
1022 status = result;
1023 goto done;
1024 }
1025
1026 /* Fill in the additional account flags now */
1027
1028 acct_flags |= ACB_PWNOEXP;
1029
1030 /* Set account flags on machine account */
1031 ZERO_STRUCT(user_info.info16);
1032 user_info.info16.acct_flags = acct_flags;
1033
1034 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1035 &user_pol,
1036 16,
1037 &user_info,
1038 &result);
1039 if (!NT_STATUS_IS_OK(status)) {
1040 dcerpc_samr_DeleteUser(b, mem_ctx,
1041 &user_pol,
1042 &result);
1043
1044 libnet_join_set_error_string(mem_ctx, r,
1045 "Failed to set account flags for machine account (%s)\n",
1046 nt_errstr(status));
1047 goto done;
1048 }
1049
1050 if (!NT_STATUS_IS_OK(result)) {
1051 status = result;
1052
1053 dcerpc_samr_DeleteUser(b, mem_ctx,
1054 &user_pol,
1055 &result);
1056
1057 libnet_join_set_error_string(mem_ctx, r,
1058 "Failed to set account flags for machine account (%s)\n",
1059 nt_errstr(status));
1060 goto done;
1061 }
1062
1063 /* Set password on machine account - first try level 26 */
1064
1065 init_samr_CryptPasswordEx(r->in.machine_password,
1066 &cli->user_session_key,
1067 &crypt_pwd_ex);
1068
1069 user_info.info26.password = crypt_pwd_ex;
1070 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1071
1072 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1073 &user_pol,
1074 26,
1075 &user_info,
1076 &result);
1077
1078 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
1079
1080 /* retry with level 24 */
1081
1082 init_samr_CryptPassword(r->in.machine_password,
1083 &cli->user_session_key,
1084 &crypt_pwd);
1085
1086 user_info.info24.password = crypt_pwd;
1087 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1088
1089 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1090 &user_pol,
1091 24,
1092 &user_info,
1093 &result);
1094 }
1095
1096 if (!NT_STATUS_IS_OK(status)) {
1097
1098 dcerpc_samr_DeleteUser(b, mem_ctx,
1099 &user_pol,
1100 &result);
1101
1102 libnet_join_set_error_string(mem_ctx, r,
1103 "Failed to set password for machine account (%s)\n",
1104 nt_errstr(status));
1105 goto done;
1106 }
1107 if (!NT_STATUS_IS_OK(result)) {
1108 status = result;
1109
1110 dcerpc_samr_DeleteUser(b, mem_ctx,
1111 &user_pol,
1112 &result);
1113
1114 libnet_join_set_error_string(mem_ctx, r,
1115 "Failed to set password for machine account (%s)\n",
1116 nt_errstr(status));
1117 goto done;
1118 }
1119
1120 status = NT_STATUS_OK;
1121
1122 done:
1123 if (!pipe_hnd) {
1124 return status;
1125 }
1126
1127 if (is_valid_policy_hnd(&sam_pol)) {
1128 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1129 }
1130 if (is_valid_policy_hnd(&domain_pol)) {
1131 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1132 }
1133 if (is_valid_policy_hnd(&user_pol)) {
1134 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1135 }
1136 TALLOC_FREE(pipe_hnd);
1137
1138 return status;
1139}
1140
1141/****************************************************************
1142****************************************************************/
1143
1144NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1145 const char *machine_name,
1146 const char *dc_name)
1147{
1148 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1149 struct cli_state *cli = NULL;
1150 struct rpc_pipe_client *pipe_hnd = NULL;
1151 struct rpc_pipe_client *netlogon_pipe = NULL;
1152 NTSTATUS status;
1153 char *machine_password = NULL;
1154 char *machine_account = NULL;
1155
1156 if (!dc_name) {
1157 return NT_STATUS_INVALID_PARAMETER;
1158 }
1159
1160 if (!secrets_init()) {
1161 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1162 }
1163
1164 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1165 NULL, NULL);
1166 if (!machine_password) {
1167 return NT_STATUS_NO_TRUST_LSA_SECRET;
1168 }
1169
1170 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1171 SAFE_FREE(machine_password);
1172 return NT_STATUS_NO_MEMORY;
1173 }
1174
1175 status = cli_full_connection(&cli, NULL,
1176 dc_name,
1177 NULL, 0,
1178 "IPC$", "IPC",
1179 machine_account,
1180 NULL,
1181 machine_password,
1182 0,
1183 Undefined);
1184 free(machine_account);
1185 free(machine_password);
1186
1187 if (!NT_STATUS_IS_OK(status)) {
1188 status = cli_full_connection(&cli, NULL,
1189 dc_name,
1190 NULL, 0,
1191 "IPC$", "IPC",
1192 "",
1193 NULL,
1194 "",
1195 0,
1196 Undefined);
1197 }
1198
1199 if (!NT_STATUS_IS_OK(status)) {
1200 return status;
1201 }
1202
1203 status = get_schannel_session_key(cli, netbios_domain_name,
1204 &neg_flags, &netlogon_pipe);
1205 if (!NT_STATUS_IS_OK(status)) {
1206 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1207 cli_shutdown(cli);
1208 return NT_STATUS_OK;
1209 }
1210
1211 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1212 "key from server %s for domain %s. Error was %s\n",
1213 cli->desthost, netbios_domain_name, nt_errstr(status)));
1214 cli_shutdown(cli);
1215 return status;
1216 }
1217
1218 if (!lp_client_schannel()) {
1219 cli_shutdown(cli);
1220 return NT_STATUS_OK;
1221 }
1222
1223 status = cli_rpc_pipe_open_schannel_with_key(
1224 cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1225 DCERPC_AUTH_LEVEL_PRIVACY,
1226 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1227
1228 cli_shutdown(cli);
1229
1230 if (!NT_STATUS_IS_OK(status)) {
1231 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1232 "on netlogon pipe to server %s for domain %s. "
1233 "Error was %s\n",
1234 cli->desthost, netbios_domain_name, nt_errstr(status)));
1235 return status;
1236 }
1237
1238 return NT_STATUS_OK;
1239}
1240
1241/****************************************************************
1242****************************************************************/
1243
1244static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1245 struct libnet_JoinCtx *r)
1246{
1247 NTSTATUS status;
1248
1249 status = libnet_join_ok(r->out.netbios_domain_name,
1250 r->in.machine_name,
1251 r->in.dc_name);
1252 if (!NT_STATUS_IS_OK(status)) {
1253 libnet_join_set_error_string(mem_ctx, r,
1254 "failed to verify domain membership after joining: %s",
1255 get_friendly_nt_error_msg(status));
1256 return WERR_SETUP_NOT_JOINED;
1257 }
1258
1259 return WERR_OK;
1260}
1261
1262/****************************************************************
1263****************************************************************/
1264
1265static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1266 struct libnet_UnjoinCtx *r)
1267{
1268 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1269 return false;
1270 }
1271
1272 if (!secrets_delete_domain_sid(lp_workgroup())) {
1273 return false;
1274 }
1275
1276 return true;
1277}
1278
1279/****************************************************************
1280****************************************************************/
1281
1282static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1283 struct libnet_UnjoinCtx *r)
1284{
1285 struct cli_state *cli = NULL;
1286 struct rpc_pipe_client *pipe_hnd = NULL;
1287 struct policy_handle sam_pol, domain_pol, user_pol;
1288 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1289 char *acct_name;
1290 uint32_t user_rid;
1291 struct lsa_String lsa_acct_name;
1292 struct samr_Ids user_rids;
1293 struct samr_Ids name_types;
1294 union samr_UserInfo *info = NULL;
1295 struct dcerpc_binding_handle *b = NULL;
1296
1297 ZERO_STRUCT(sam_pol);
1298 ZERO_STRUCT(domain_pol);
1299 ZERO_STRUCT(user_pol);
1300
1301 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1302 r->in.admin_account,
1303 r->in.admin_password,
1304 r->in.use_kerberos,
1305 &cli);
1306 if (!NT_STATUS_IS_OK(status)) {
1307 goto done;
1308 }
1309
1310 /* Open the domain */
1311
1312 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1313 &pipe_hnd);
1314 if (!NT_STATUS_IS_OK(status)) {
1315 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1316 nt_errstr(status)));
1317 goto done;
1318 }
1319
1320 b = pipe_hnd->binding_handle;
1321
1322 status = dcerpc_samr_Connect2(b, mem_ctx,
1323 pipe_hnd->desthost,
1324 SEC_FLAG_MAXIMUM_ALLOWED,
1325 &sam_pol,
1326 &result);
1327 if (!NT_STATUS_IS_OK(status)) {
1328 goto done;
1329 }
1330 if (!NT_STATUS_IS_OK(result)) {
1331 status = result;
1332 goto done;
1333 }
1334
1335 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1336 &sam_pol,
1337 SEC_FLAG_MAXIMUM_ALLOWED,
1338 r->in.domain_sid,
1339 &domain_pol,
1340 &result);
1341 if (!NT_STATUS_IS_OK(status)) {
1342 goto done;
1343 }
1344 if (!NT_STATUS_IS_OK(result)) {
1345 status = result;
1346 goto done;
1347 }
1348
1349 /* Create domain user */
1350
1351 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1352 strlower_m(acct_name);
1353
1354 init_lsa_String(&lsa_acct_name, acct_name);
1355
1356 status = dcerpc_samr_LookupNames(b, mem_ctx,
1357 &domain_pol,
1358 1,
1359 &lsa_acct_name,
1360 &user_rids,
1361 &name_types,
1362 &result);
1363
1364 if (!NT_STATUS_IS_OK(status)) {
1365 goto done;
1366 }
1367 if (!NT_STATUS_IS_OK(result)) {
1368 status = result;
1369 goto done;
1370 }
1371
1372 if (name_types.ids[0] != SID_NAME_USER) {
1373 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1374 name_types.ids[0]));
1375 status = NT_STATUS_INVALID_WORKSTATION;
1376 goto done;
1377 }
1378
1379 user_rid = user_rids.ids[0];
1380
1381 /* Open handle on user */
1382
1383 status = dcerpc_samr_OpenUser(b, mem_ctx,
1384 &domain_pol,
1385 SEC_FLAG_MAXIMUM_ALLOWED,
1386 user_rid,
1387 &user_pol,
1388 &result);
1389 if (!NT_STATUS_IS_OK(status)) {
1390 goto done;
1391 }
1392 if (!NT_STATUS_IS_OK(result)) {
1393 status = result;
1394 goto done;
1395 }
1396
1397 /* Get user info */
1398
1399 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1400 &user_pol,
1401 16,
1402 &info,
1403 &result);
1404 if (!NT_STATUS_IS_OK(status)) {
1405 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1406 goto done;
1407 }
1408 if (!NT_STATUS_IS_OK(result)) {
1409 status = result;
1410 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1411 goto done;
1412 }
1413
1414 /* now disable and setuser info */
1415
1416 info->info16.acct_flags |= ACB_DISABLED;
1417
1418 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1419 &user_pol,
1420 16,
1421 info,
1422 &result);
1423 if (!NT_STATUS_IS_OK(status)) {
1424 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1425 goto done;
1426 }
1427 if (!NT_STATUS_IS_OK(result)) {
1428 status = result;
1429 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1430 goto done;
1431 }
1432 status = result;
1433 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1434
1435done:
1436 if (pipe_hnd && b) {
1437 if (is_valid_policy_hnd(&domain_pol)) {
1438 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1439 }
1440 if (is_valid_policy_hnd(&sam_pol)) {
1441 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1442 }
1443 TALLOC_FREE(pipe_hnd);
1444 }
1445
1446 if (cli) {
1447 cli_shutdown(cli);
1448 }
1449
1450 return status;
1451}
1452
1453/****************************************************************
1454****************************************************************/
1455
1456static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1457{
1458 WERROR werr = WERR_OK;
1459 sbcErr err;
1460 struct smbconf_ctx *ctx;
1461
1462 err = smbconf_init_reg(r, &ctx, NULL);
1463 if (!SBC_ERROR_IS_OK(err)) {
1464 werr = WERR_NO_SUCH_SERVICE;
1465 goto done;
1466 }
1467
1468 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1469
1470 err = smbconf_set_global_parameter(ctx, "security", "user");
1471 if (!SBC_ERROR_IS_OK(err)) {
1472 werr = WERR_NO_SUCH_SERVICE;
1473 goto done;
1474 }
1475
1476 err = smbconf_set_global_parameter(ctx, "workgroup",
1477 r->in.domain_name);
1478 if (!SBC_ERROR_IS_OK(err)) {
1479 werr = WERR_NO_SUCH_SERVICE;
1480 goto done;
1481 }
1482
1483 smbconf_delete_global_parameter(ctx, "realm");
1484 goto done;
1485 }
1486
1487 err = smbconf_set_global_parameter(ctx, "security", "domain");
1488 if (!SBC_ERROR_IS_OK(err)) {
1489 werr = WERR_NO_SUCH_SERVICE;
1490 goto done;
1491 }
1492
1493 err = smbconf_set_global_parameter(ctx, "workgroup",
1494 r->out.netbios_domain_name);
1495 if (!SBC_ERROR_IS_OK(err)) {
1496 werr = WERR_NO_SUCH_SERVICE;
1497 goto done;
1498 }
1499
1500 if (r->out.domain_is_ad) {
1501 err = smbconf_set_global_parameter(ctx, "security", "ads");
1502 if (!SBC_ERROR_IS_OK(err)) {
1503 werr = WERR_NO_SUCH_SERVICE;
1504 goto done;
1505 }
1506
1507 err = smbconf_set_global_parameter(ctx, "realm",
1508 r->out.dns_domain_name);
1509 if (!SBC_ERROR_IS_OK(err)) {
1510 werr = WERR_NO_SUCH_SERVICE;
1511 goto done;
1512 }
1513 }
1514
1515 done:
1516 smbconf_shutdown(ctx);
1517 return werr;
1518}
1519
1520/****************************************************************
1521****************************************************************/
1522
1523static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1524{
1525 WERROR werr = WERR_OK;
1526 sbcErr err;
1527 struct smbconf_ctx *ctx;
1528
1529 err = smbconf_init_reg(r, &ctx, NULL);
1530 if (!SBC_ERROR_IS_OK(err)) {
1531 werr = WERR_NO_SUCH_SERVICE;
1532 goto done;
1533 }
1534
1535 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1536
1537 err = smbconf_set_global_parameter(ctx, "security", "user");
1538 if (!SBC_ERROR_IS_OK(err)) {
1539 werr = WERR_NO_SUCH_SERVICE;
1540 goto done;
1541 }
1542
1543 err = smbconf_delete_global_parameter(ctx, "workgroup");
1544 if (!SBC_ERROR_IS_OK(err)) {
1545 werr = WERR_NO_SUCH_SERVICE;
1546 goto done;
1547 }
1548
1549 smbconf_delete_global_parameter(ctx, "realm");
1550 }
1551
1552 done:
1553 smbconf_shutdown(ctx);
1554 return werr;
1555}
1556
1557/****************************************************************
1558****************************************************************/
1559
1560static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1561{
1562 WERROR werr;
1563
1564 if (!W_ERROR_IS_OK(r->out.result)) {
1565 return r->out.result;
1566 }
1567
1568 if (!r->in.modify_config) {
1569 return WERR_OK;
1570 }
1571
1572 werr = do_join_modify_vals_config(r);
1573 if (!W_ERROR_IS_OK(werr)) {
1574 return werr;
1575 }
1576
1577 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1578
1579 r->out.modified_config = true;
1580 r->out.result = werr;
1581
1582 return werr;
1583}
1584
1585/****************************************************************
1586****************************************************************/
1587
1588static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *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_unjoin_modify_vals_config(r);
1601 if (!W_ERROR_IS_OK(werr)) {
1602 return werr;
1603 }
1604
1605 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1606
1607 r->out.modified_config = true;
1608 r->out.result = werr;
1609
1610 return werr;
1611}
1612
1613/****************************************************************
1614****************************************************************/
1615
1616static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1617 const char *domain_str,
1618 const char **domain_p,
1619 const char **dc_p)
1620{
1621 char *domain = NULL;
1622 char *dc = NULL;
1623 const char *p = NULL;
1624
1625 if (!domain_str || !domain_p || !dc_p) {
1626 return false;
1627 }
1628
1629 p = strchr_m(domain_str, '\\');
1630
1631 if (p != NULL) {
1632 domain = talloc_strndup(mem_ctx, domain_str,
1633 PTR_DIFF(p, domain_str));
1634 dc = talloc_strdup(mem_ctx, p+1);
1635 if (!dc) {
1636 return false;
1637 }
1638 } else {
1639 domain = talloc_strdup(mem_ctx, domain_str);
1640 dc = NULL;
1641 }
1642 if (!domain) {
1643 return false;
1644 }
1645
1646 *domain_p = domain;
1647
1648 if (!*dc_p && dc) {
1649 *dc_p = dc;
1650 }
1651
1652 return true;
1653}
1654
1655/****************************************************************
1656****************************************************************/
1657
1658static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1659 struct libnet_JoinCtx *r)
1660{
1661 if (!r->in.domain_name) {
1662 libnet_join_set_error_string(mem_ctx, r,
1663 "No domain name defined");
1664 return WERR_INVALID_PARAM;
1665 }
1666
1667 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1668 &r->in.domain_name,
1669 &r->in.dc_name)) {
1670 libnet_join_set_error_string(mem_ctx, r,
1671 "Failed to parse domain name");
1672 return WERR_INVALID_PARAM;
1673 }
1674
1675 if (IS_DC) {
1676 return WERR_SETUP_DOMAIN_CONTROLLER;
1677 }
1678
1679 if (!secrets_init()) {
1680 libnet_join_set_error_string(mem_ctx, r,
1681 "Unable to open secrets database");
1682 return WERR_CAN_NOT_COMPLETE;
1683 }
1684
1685 return WERR_OK;
1686}
1687
1688/****************************************************************
1689****************************************************************/
1690
1691static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1692{
1693 NTSTATUS status;
1694
1695 /* Try adding dom admins to builtin\admins. Only log failures. */
1696 status = create_builtin_administrators(domain_sid);
1697 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1698 DEBUG(10,("Unable to auto-add domain administrators to "
1699 "BUILTIN\\Administrators during join because "
1700 "winbindd must be running."));
1701 } else if (!NT_STATUS_IS_OK(status)) {
1702 DEBUG(5, ("Failed to auto-add domain administrators to "
1703 "BUILTIN\\Administrators during join: %s\n",
1704 nt_errstr(status)));
1705 }
1706
1707 /* Try adding dom users to builtin\users. Only log failures. */
1708 status = create_builtin_users(domain_sid);
1709 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1710 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1711 "during join because winbindd must be running."));
1712 } else if (!NT_STATUS_IS_OK(status)) {
1713 DEBUG(5, ("Failed to auto-add domain administrators to "
1714 "BUILTIN\\Administrators during join: %s\n",
1715 nt_errstr(status)));
1716 }
1717}
1718
1719/****************************************************************
1720****************************************************************/
1721
1722static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1723 struct libnet_JoinCtx *r)
1724{
1725 WERROR werr;
1726
1727 if (!W_ERROR_IS_OK(r->out.result)) {
1728 return r->out.result;
1729 }
1730
1731 werr = do_JoinConfig(r);
1732 if (!W_ERROR_IS_OK(werr)) {
1733 return werr;
1734 }
1735
1736 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1737 return WERR_OK;
1738 }
1739
1740 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1741 if (r->out.dns_domain_name) {
1742 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1743 }
1744
1745#ifdef HAVE_ADS
1746 if (r->out.domain_is_ad &&
1747 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1748 ADS_STATUS ads_status;
1749
1750 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1751 if (!ADS_ERR_OK(ads_status)) {
1752 return WERR_GENERAL_FAILURE;
1753 }
1754 }
1755#endif /* HAVE_ADS */
1756
1757 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1758
1759 return WERR_OK;
1760}
1761
1762/****************************************************************
1763****************************************************************/
1764
1765static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1766{
1767 const char *krb5_cc_env = NULL;
1768
1769 if (r->in.ads) {
1770 ads_destroy(&r->in.ads);
1771 }
1772
1773 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1774 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1775 unsetenv(KRB5_ENV_CCNAME);
1776 }
1777
1778 return 0;
1779}
1780
1781/****************************************************************
1782****************************************************************/
1783
1784static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1785{
1786 const char *krb5_cc_env = NULL;
1787
1788 if (r->in.ads) {
1789 ads_destroy(&r->in.ads);
1790 }
1791
1792 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1793 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1794 unsetenv(KRB5_ENV_CCNAME);
1795 }
1796
1797 return 0;
1798}
1799
1800/****************************************************************
1801****************************************************************/
1802
1803WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1804 struct libnet_JoinCtx **r)
1805{
1806 struct libnet_JoinCtx *ctx;
1807 const char *krb5_cc_env = NULL;
1808
1809 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1810 if (!ctx) {
1811 return WERR_NOMEM;
1812 }
1813
1814 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1815
1816 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1817 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1818
1819 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1820 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1821 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1822 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1823 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1824 }
1825
1826 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1827
1828 *r = ctx;
1829
1830 return WERR_OK;
1831}
1832
1833/****************************************************************
1834****************************************************************/
1835
1836WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1837 struct libnet_UnjoinCtx **r)
1838{
1839 struct libnet_UnjoinCtx *ctx;
1840 const char *krb5_cc_env = NULL;
1841
1842 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1843 if (!ctx) {
1844 return WERR_NOMEM;
1845 }
1846
1847 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1848
1849 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1850 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1851
1852 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1853 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1854 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1855 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1856 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1857 }
1858
1859 *r = ctx;
1860
1861 return WERR_OK;
1862}
1863
1864/****************************************************************
1865****************************************************************/
1866
1867static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1868 struct libnet_JoinCtx *r)
1869{
1870 bool valid_security = false;
1871 bool valid_workgroup = false;
1872 bool valid_realm = false;
1873
1874 /* check if configuration is already set correctly */
1875
1876 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1877
1878 switch (r->out.domain_is_ad) {
1879 case false:
1880 valid_security = (lp_security() == SEC_DOMAIN);
1881 if (valid_workgroup && valid_security) {
1882 /* nothing to be done */
1883 return WERR_OK;
1884 }
1885 break;
1886 case true:
1887 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1888 switch (lp_security()) {
1889 case SEC_DOMAIN:
1890 case SEC_ADS:
1891 valid_security = true;
1892 }
1893
1894 if (valid_workgroup && valid_realm && valid_security) {
1895 /* nothing to be done */
1896 return WERR_OK;
1897 }
1898 break;
1899 }
1900
1901 /* check if we are supposed to manipulate configuration */
1902
1903 if (!r->in.modify_config) {
1904
1905 char *wrong_conf = talloc_strdup(mem_ctx, "");
1906
1907 if (!valid_workgroup) {
1908 wrong_conf = talloc_asprintf_append(wrong_conf,
1909 "\"workgroup\" set to '%s', should be '%s'",
1910 lp_workgroup(), r->out.netbios_domain_name);
1911 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1912 }
1913
1914 if (!valid_realm) {
1915 wrong_conf = talloc_asprintf_append(wrong_conf,
1916 "\"realm\" set to '%s', should be '%s'",
1917 lp_realm(), r->out.dns_domain_name);
1918 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1919 }
1920
1921 if (!valid_security) {
1922 const char *sec = NULL;
1923 switch (lp_security()) {
1924 case SEC_SHARE: sec = "share"; break;
1925 case SEC_USER: sec = "user"; break;
1926 case SEC_DOMAIN: sec = "domain"; break;
1927 case SEC_ADS: sec = "ads"; break;
1928 }
1929 wrong_conf = talloc_asprintf_append(wrong_conf,
1930 "\"security\" set to '%s', should be %s",
1931 sec, r->out.domain_is_ad ?
1932 "either 'domain' or 'ads'" : "'domain'");
1933 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1934 }
1935
1936 libnet_join_set_error_string(mem_ctx, r,
1937 "Invalid configuration (%s) and configuration modification "
1938 "was not requested", wrong_conf);
1939 return WERR_CAN_NOT_COMPLETE;
1940 }
1941
1942 /* check if we are able to manipulate configuration */
1943
1944 if (!lp_config_backend_is_registry()) {
1945 libnet_join_set_error_string(mem_ctx, r,
1946 "Configuration manipulation requested but not "
1947 "supported by backend");
1948 return WERR_NOT_SUPPORTED;
1949 }
1950
1951 return WERR_OK;
1952}
1953
1954/****************************************************************
1955****************************************************************/
1956
1957static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1958 struct libnet_JoinCtx *r)
1959{
1960 NTSTATUS status;
1961 WERROR werr;
1962 struct cli_state *cli = NULL;
1963#ifdef HAVE_ADS
1964 ADS_STATUS ads_status;
1965#endif /* HAVE_ADS */
1966
1967 if (!r->in.dc_name) {
1968 struct netr_DsRGetDCNameInfo *info;
1969 const char *dc;
1970 status = dsgetdcname(mem_ctx,
1971 r->in.msg_ctx,
1972 r->in.domain_name,
1973 NULL,
1974 NULL,
1975 DS_FORCE_REDISCOVERY |
1976 DS_DIRECTORY_SERVICE_REQUIRED |
1977 DS_WRITABLE_REQUIRED |
1978 DS_RETURN_DNS_NAME,
1979 &info);
1980 if (!NT_STATUS_IS_OK(status)) {
1981 libnet_join_set_error_string(mem_ctx, r,
1982 "failed to find DC for domain %s",
1983 r->in.domain_name,
1984 get_friendly_nt_error_msg(status));
1985 return WERR_DCNOTFOUND;
1986 }
1987
1988 dc = strip_hostname(info->dc_unc);
1989 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1990 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1991 }
1992
1993 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1994 if (!NT_STATUS_IS_OK(status)) {
1995 libnet_join_set_error_string(mem_ctx, r,
1996 "failed to lookup DC info for domain '%s' over rpc: %s",
1997 r->in.domain_name, get_friendly_nt_error_msg(status));
1998 return ntstatus_to_werror(status);
1999 }
2000
2001 werr = libnet_join_check_config(mem_ctx, r);
2002 if (!W_ERROR_IS_OK(werr)) {
2003 goto done;
2004 }
2005
2006#ifdef HAVE_ADS
2007
2008 create_local_private_krb5_conf_for_domain(
2009 r->out.dns_domain_name, r->out.netbios_domain_name,
2010 NULL, &cli->dest_ss, cli->desthost);
2011
2012 if (r->out.domain_is_ad && r->in.account_ou &&
2013 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2014
2015 ads_status = libnet_join_connect_ads(mem_ctx, r);
2016 if (!ADS_ERR_OK(ads_status)) {
2017 return WERR_DEFAULT_JOIN_REQUIRED;
2018 }
2019
2020 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
2021 if (!ADS_ERR_OK(ads_status)) {
2022 libnet_join_set_error_string(mem_ctx, r,
2023 "failed to precreate account in ou %s: %s",
2024 r->in.account_ou,
2025 ads_errstr(ads_status));
2026 return WERR_DEFAULT_JOIN_REQUIRED;
2027 }
2028
2029 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2030 }
2031#endif /* HAVE_ADS */
2032
2033 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2034 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2035 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2036 } else {
2037 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2038 }
2039 if (!NT_STATUS_IS_OK(status)) {
2040 libnet_join_set_error_string(mem_ctx, r,
2041 "failed to join domain '%s' over rpc: %s",
2042 r->in.domain_name, get_friendly_nt_error_msg(status));
2043 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2044 return WERR_SETUP_ALREADY_JOINED;
2045 }
2046 werr = ntstatus_to_werror(status);
2047 goto done;
2048 }
2049
2050 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2051 werr = WERR_SETUP_NOT_JOINED;
2052 goto done;
2053 }
2054
2055 werr = WERR_OK;
2056
2057 done:
2058 if (cli) {
2059 cli_shutdown(cli);
2060 }
2061
2062 return werr;
2063}
2064
2065/****************************************************************
2066****************************************************************/
2067
2068static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2069 struct libnet_JoinCtx *r)
2070{
2071 WERROR werr;
2072 struct libnet_UnjoinCtx *u = NULL;
2073
2074 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2075 if (!W_ERROR_IS_OK(werr)) {
2076 return werr;
2077 }
2078
2079 u->in.debug = r->in.debug;
2080 u->in.dc_name = r->in.dc_name;
2081 u->in.domain_name = r->in.domain_name;
2082 u->in.admin_account = r->in.admin_account;
2083 u->in.admin_password = r->in.admin_password;
2084 u->in.modify_config = r->in.modify_config;
2085 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2086 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2087
2088 werr = libnet_Unjoin(mem_ctx, u);
2089 TALLOC_FREE(u);
2090
2091 return werr;
2092}
2093
2094/****************************************************************
2095****************************************************************/
2096
2097WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2098 struct libnet_JoinCtx *r)
2099{
2100 WERROR werr;
2101
2102 if (r->in.debug) {
2103 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2104 }
2105
2106 ZERO_STRUCT(r->out);
2107
2108 werr = libnet_join_pre_processing(mem_ctx, r);
2109 if (!W_ERROR_IS_OK(werr)) {
2110 goto done;
2111 }
2112
2113 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2114 werr = libnet_DomainJoin(mem_ctx, r);
2115 if (!W_ERROR_IS_OK(werr)) {
2116 goto done;
2117 }
2118 }
2119
2120 werr = libnet_join_post_processing(mem_ctx, r);
2121 if (!W_ERROR_IS_OK(werr)) {
2122 goto done;
2123 }
2124
2125 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2126 werr = libnet_join_post_verify(mem_ctx, r);
2127 if (!W_ERROR_IS_OK(werr)) {
2128 libnet_join_rollback(mem_ctx, r);
2129 }
2130 }
2131
2132 done:
2133 r->out.result = werr;
2134
2135 if (r->in.debug) {
2136 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2137 }
2138 return werr;
2139}
2140
2141/****************************************************************
2142****************************************************************/
2143
2144static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2145 struct libnet_UnjoinCtx *r)
2146{
2147 NTSTATUS status;
2148
2149 if (!r->in.domain_sid) {
2150 struct dom_sid sid;
2151 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2152 libnet_unjoin_set_error_string(mem_ctx, r,
2153 "Unable to fetch domain sid: are we joined?");
2154 return WERR_SETUP_NOT_JOINED;
2155 }
2156 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2157 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2158 }
2159
2160 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2161 !r->in.delete_machine_account) {
2162 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2163 return WERR_OK;
2164 }
2165
2166 if (!r->in.dc_name) {
2167 struct netr_DsRGetDCNameInfo *info;
2168 const char *dc;
2169 status = dsgetdcname(mem_ctx,
2170 r->in.msg_ctx,
2171 r->in.domain_name,
2172 NULL,
2173 NULL,
2174 DS_DIRECTORY_SERVICE_REQUIRED |
2175 DS_WRITABLE_REQUIRED |
2176 DS_RETURN_DNS_NAME,
2177 &info);
2178 if (!NT_STATUS_IS_OK(status)) {
2179 libnet_unjoin_set_error_string(mem_ctx, r,
2180 "failed to find DC for domain %s",
2181 r->in.domain_name,
2182 get_friendly_nt_error_msg(status));
2183 return WERR_DCNOTFOUND;
2184 }
2185
2186 dc = strip_hostname(info->dc_unc);
2187 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2188 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2189 }
2190
2191#ifdef HAVE_ADS
2192 /* for net ads leave, try to delete the account. If it works,
2193 no sense in disabling. If it fails, we can still try to
2194 disable it. jmcd */
2195
2196 if (r->in.delete_machine_account) {
2197 ADS_STATUS ads_status;
2198 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2199 if (ADS_ERR_OK(ads_status)) {
2200 /* dirty hack */
2201 r->out.dns_domain_name =
2202 talloc_strdup(mem_ctx,
2203 r->in.ads->server.realm);
2204 ads_status =
2205 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2206 }
2207 if (!ADS_ERR_OK(ads_status)) {
2208 libnet_unjoin_set_error_string(mem_ctx, r,
2209 "failed to remove machine account from AD: %s",
2210 ads_errstr(ads_status));
2211 } else {
2212 r->out.deleted_machine_account = true;
2213 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2214 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2215 return WERR_OK;
2216 }
2217 }
2218#endif /* HAVE_ADS */
2219
2220 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2221 "disable". */
2222 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2223 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2224 if (!NT_STATUS_IS_OK(status)) {
2225 libnet_unjoin_set_error_string(mem_ctx, r,
2226 "failed to disable machine account via rpc: %s",
2227 get_friendly_nt_error_msg(status));
2228 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2229 return WERR_SETUP_NOT_JOINED;
2230 }
2231 return ntstatus_to_werror(status);
2232 }
2233
2234 r->out.disabled_machine_account = true;
2235 }
2236
2237 /* If disable succeeded or was not requested at all, we
2238 should be getting rid of our end of things */
2239
2240 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2241
2242 return WERR_OK;
2243}
2244
2245/****************************************************************
2246****************************************************************/
2247
2248static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2249 struct libnet_UnjoinCtx *r)
2250{
2251 if (!r->in.domain_name) {
2252 libnet_unjoin_set_error_string(mem_ctx, r,
2253 "No domain name defined");
2254 return WERR_INVALID_PARAM;
2255 }
2256
2257 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2258 &r->in.domain_name,
2259 &r->in.dc_name)) {
2260 libnet_unjoin_set_error_string(mem_ctx, r,
2261 "Failed to parse domain name");
2262 return WERR_INVALID_PARAM;
2263 }
2264
2265 if (IS_DC) {
2266 return WERR_SETUP_DOMAIN_CONTROLLER;
2267 }
2268
2269 if (!secrets_init()) {
2270 libnet_unjoin_set_error_string(mem_ctx, r,
2271 "Unable to open secrets database");
2272 return WERR_CAN_NOT_COMPLETE;
2273 }
2274
2275 return WERR_OK;
2276}
2277
2278/****************************************************************
2279****************************************************************/
2280
2281static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2282 struct libnet_UnjoinCtx *r)
2283{
2284 saf_delete(r->out.netbios_domain_name);
2285 saf_delete(r->out.dns_domain_name);
2286
2287 return libnet_unjoin_config(r);
2288}
2289
2290/****************************************************************
2291****************************************************************/
2292
2293WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2294 struct libnet_UnjoinCtx *r)
2295{
2296 WERROR werr;
2297
2298 if (r->in.debug) {
2299 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2300 }
2301
2302 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2303 if (!W_ERROR_IS_OK(werr)) {
2304 goto done;
2305 }
2306
2307 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2308 werr = libnet_DomainUnjoin(mem_ctx, r);
2309 if (!W_ERROR_IS_OK(werr)) {
2310 libnet_unjoin_config(r);
2311 goto done;
2312 }
2313 }
2314
2315 werr = libnet_unjoin_post_processing(mem_ctx, r);
2316 if (!W_ERROR_IS_OK(werr)) {
2317 goto done;
2318 }
2319
2320 done:
2321 r->out.result = werr;
2322
2323 if (r->in.debug) {
2324 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2325 }
2326
2327 return werr;
2328}
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