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s3-epmap: Return the correct ip address.
[Samba.git] / source3 / libnet / libnet_join.c
bloba11145b851f94621592b06325ebefc54c0691aff
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
41 /****************************************************************
42 ****************************************************************/
43
44 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
45 do { \
46 char *str = NULL; \
47 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
48 DEBUG(1,("libnet_Join:\n%s", str)); \
49 TALLOC_FREE(str); \
50 } while (0)
51
52 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
53 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
54 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
55 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
56
57 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
58 do { \
59 char *str = NULL; \
60 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
61 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
62 TALLOC_FREE(str); \
63 } while (0)
64
65 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
66 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
67 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
68 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
69
70 /****************************************************************
71 ****************************************************************/
72
73 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
74 struct libnet_JoinCtx *r,
75 const char *format, ...)
76 {
77 va_list args;
78
79 if (r->out.error_string) {
80 return;
81 }
82
83 va_start(args, format);
84 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
85 va_end(args);
86 }
87
88 /****************************************************************
89 ****************************************************************/
90
91 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
92 struct libnet_UnjoinCtx *r,
93 const char *format, ...)
94 {
95 va_list args;
96
97 if (r->out.error_string) {
98 return;
99 }
100
101 va_start(args, format);
102 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
103 va_end(args);
104 }
105
106 #ifdef HAVE_ADS
107
108 /****************************************************************
109 ****************************************************************/
110
111 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
112 const char *netbios_domain_name,
113 const char *dc_name,
114 const char *user_name,
115 const char *password,
116 ADS_STRUCT **ads)
117 {
118 ADS_STATUS status;
119 ADS_STRUCT *my_ads = NULL;
120 char *cp;
121
122 my_ads = ads_init(dns_domain_name,
123 netbios_domain_name,
124 dc_name);
125 if (!my_ads) {
126 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
127 }
128
129 if (user_name) {
130 SAFE_FREE(my_ads->auth.user_name);
131 my_ads->auth.user_name = SMB_STRDUP(user_name);
132 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
133 *cp++ = '\0';
134 SAFE_FREE(my_ads->auth.realm);
135 my_ads->auth.realm = smb_xstrdup(cp);
136 strupper_m(my_ads->auth.realm);
137 }
138 }
139
140 if (password) {
141 SAFE_FREE(my_ads->auth.password);
142 my_ads->auth.password = SMB_STRDUP(password);
143 }
144
145 status = ads_connect_user_creds(my_ads);
146 if (!ADS_ERR_OK(status)) {
147 ads_destroy(&my_ads);
148 return status;
149 }
150
151 *ads = my_ads;
152 return ADS_SUCCESS;
153 }
154
155 /****************************************************************
156 ****************************************************************/
157
158 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
159 struct libnet_JoinCtx *r)
160 {
161 ADS_STATUS status;
162
163 status = libnet_connect_ads(r->out.dns_domain_name,
164 r->out.netbios_domain_name,
165 r->in.dc_name,
166 r->in.admin_account,
167 r->in.admin_password,
168 &r->in.ads);
169 if (!ADS_ERR_OK(status)) {
170 libnet_join_set_error_string(mem_ctx, r,
171 "failed to connect to AD: %s",
172 ads_errstr(status));
173 return status;
174 }
175
176 if (!r->out.netbios_domain_name) {
177 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
178 r->in.ads->server.workgroup);
179 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
180 }
181
182 if (!r->out.dns_domain_name) {
183 r->out.dns_domain_name = talloc_strdup(mem_ctx,
184 r->in.ads->config.realm);
185 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
186 }
187
188 r->out.domain_is_ad = true;
189
190 return ADS_SUCCESS;
191 }
192
193 /****************************************************************
194 ****************************************************************/
195
196 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
197 struct libnet_UnjoinCtx *r)
198 {
199 ADS_STATUS status;
200
201 status = libnet_connect_ads(r->in.domain_name,
202 r->in.domain_name,
203 r->in.dc_name,
204 r->in.admin_account,
205 r->in.admin_password,
206 &r->in.ads);
207 if (!ADS_ERR_OK(status)) {
208 libnet_unjoin_set_error_string(mem_ctx, r,
209 "failed to connect to AD: %s",
210 ads_errstr(status));
211 }
212
213 return status;
214 }
215
216 /****************************************************************
217 join a domain using ADS (LDAP mods)
218 ****************************************************************/
219
220 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
221 struct libnet_JoinCtx *r)
222 {
223 ADS_STATUS status;
224 LDAPMessage *res = NULL;
225 const char *attrs[] = { "dn", NULL };
226 bool moved = false;
227
228 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
229 if (!ADS_ERR_OK(status)) {
230 return status;
231 }
232
233 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
234 if (!ADS_ERR_OK(status)) {
235 return status;
236 }
237
238 if (ads_count_replies(r->in.ads, res) != 1) {
239 ads_msgfree(r->in.ads, res);
240 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
241 }
242
243 ads_msgfree(r->in.ads, res);
244
245 /* Attempt to create the machine account and bail if this fails.
246 Assume that the admin wants exactly what they requested */
247
248 status = ads_create_machine_acct(r->in.ads,
249 r->in.machine_name,
250 r->in.account_ou);
251
252 if (ADS_ERR_OK(status)) {
253 DEBUG(1,("machine account creation created\n"));
254 return status;
255 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
256 (status.err.rc == LDAP_ALREADY_EXISTS)) {
257 status = ADS_SUCCESS;
258 }
259
260 if (!ADS_ERR_OK(status)) {
261 DEBUG(1,("machine account creation failed\n"));
262 return status;
263 }
264
265 status = ads_move_machine_acct(r->in.ads,
266 r->in.machine_name,
267 r->in.account_ou,
268 &moved);
269 if (!ADS_ERR_OK(status)) {
270 DEBUG(1,("failure to locate/move pre-existing "
271 "machine account\n"));
272 return status;
273 }
274
275 DEBUG(1,("The machine account %s the specified OU.\n",
276 moved ? "was moved into" : "already exists in"));
277
278 return status;
279 }
280
281 /****************************************************************
282 ****************************************************************/
283
284 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
285 struct libnet_UnjoinCtx *r)
286 {
287 ADS_STATUS status;
288
289 if (!r->in.ads) {
290 status = libnet_unjoin_connect_ads(mem_ctx, r);
291 if (!ADS_ERR_OK(status)) {
292 libnet_unjoin_set_error_string(mem_ctx, r,
293 "failed to connect to AD: %s",
294 ads_errstr(status));
295 return status;
296 }
297 }
298
299 status = ads_leave_realm(r->in.ads, r->in.machine_name);
300 if (!ADS_ERR_OK(status)) {
301 libnet_unjoin_set_error_string(mem_ctx, r,
302 "failed to leave realm: %s",
303 ads_errstr(status));
304 return status;
305 }
306
307 return ADS_SUCCESS;
308 }
309
310 /****************************************************************
311 ****************************************************************/
312
313 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
314 struct libnet_JoinCtx *r)
315 {
316 ADS_STATUS status;
317 LDAPMessage *res = NULL;
318 char *dn = NULL;
319
320 if (!r->in.machine_name) {
321 return ADS_ERROR(LDAP_NO_MEMORY);
322 }
323
324 status = ads_find_machine_acct(r->in.ads,
325 &res,
326 r->in.machine_name);
327 if (!ADS_ERR_OK(status)) {
328 return status;
329 }
330
331 if (ads_count_replies(r->in.ads, res) != 1) {
332 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
333 goto done;
334 }
335
336 dn = ads_get_dn(r->in.ads, mem_ctx, res);
337 if (!dn) {
338 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
339 goto done;
340 }
341
342 r->out.dn = talloc_strdup(mem_ctx, dn);
343 if (!r->out.dn) {
344 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
345 goto done;
346 }
347
348 done:
349 ads_msgfree(r->in.ads, res);
350 TALLOC_FREE(dn);
351
352 return status;
353 }
354
355 /****************************************************************
356 Set a machines dNSHostName and servicePrincipalName attributes
357 ****************************************************************/
358
359 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
360 struct libnet_JoinCtx *r)
361 {
362 ADS_STATUS status;
363 ADS_MODLIST mods;
364 fstring my_fqdn;
365 const char *spn_array[3] = {NULL, NULL, NULL};
366 char *spn = NULL;
367
368 /* Find our DN */
369
370 status = libnet_join_find_machine_acct(mem_ctx, r);
371 if (!ADS_ERR_OK(status)) {
372 return status;
373 }
374
375 /* Windows only creates HOST/shortname & HOST/fqdn. */
376
377 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
378 if (!spn) {
379 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
380 }
381 strupper_m(spn);
382 spn_array[0] = spn;
383
384 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
385 || (strchr(my_fqdn, '.') == NULL)) {
386 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
387 r->out.dns_domain_name);
388 }
389
390 strlower_m(my_fqdn);
391
392 if (!strequal(my_fqdn, r->in.machine_name)) {
393 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
394 if (!spn) {
395 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
396 }
397 spn_array[1] = spn;
398 }
399
400 mods = ads_init_mods(mem_ctx);
401 if (!mods) {
402 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
403 }
404
405 /* fields of primary importance */
406
407 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
408 if (!ADS_ERR_OK(status)) {
409 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
410 }
411
412 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
413 spn_array);
414 if (!ADS_ERR_OK(status)) {
415 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
416 }
417
418 return ads_gen_mod(r->in.ads, r->out.dn, mods);
419 }
420
421 /****************************************************************
422 ****************************************************************/
423
424 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
425 struct libnet_JoinCtx *r)
426 {
427 ADS_STATUS status;
428 ADS_MODLIST mods;
429
430 if (!r->in.create_upn) {
431 return ADS_SUCCESS;
432 }
433
434 /* Find our DN */
435
436 status = libnet_join_find_machine_acct(mem_ctx, r);
437 if (!ADS_ERR_OK(status)) {
438 return status;
439 }
440
441 if (!r->in.upn) {
442 r->in.upn = talloc_asprintf(mem_ctx,
443 "host/%s@%s",
444 r->in.machine_name,
445 r->out.dns_domain_name);
446 if (!r->in.upn) {
447 return ADS_ERROR(LDAP_NO_MEMORY);
448 }
449 }
450
451 /* now do the mods */
452
453 mods = ads_init_mods(mem_ctx);
454 if (!mods) {
455 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
456 }
457
458 /* fields of primary importance */
459
460 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
461 if (!ADS_ERR_OK(status)) {
462 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
463 }
464
465 return ads_gen_mod(r->in.ads, r->out.dn, mods);
466 }
467
468
469 /****************************************************************
470 ****************************************************************/
471
472 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
473 struct libnet_JoinCtx *r)
474 {
475 ADS_STATUS status;
476 ADS_MODLIST mods;
477 char *os_sp = NULL;
478
479 if (!r->in.os_name || !r->in.os_version ) {
480 return ADS_SUCCESS;
481 }
482
483 /* Find our DN */
484
485 status = libnet_join_find_machine_acct(mem_ctx, r);
486 if (!ADS_ERR_OK(status)) {
487 return status;
488 }
489
490 /* now do the mods */
491
492 mods = ads_init_mods(mem_ctx);
493 if (!mods) {
494 return ADS_ERROR(LDAP_NO_MEMORY);
495 }
496
497 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
498 if (!os_sp) {
499 return ADS_ERROR(LDAP_NO_MEMORY);
500 }
501
502 /* fields of primary importance */
503
504 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
505 r->in.os_name);
506 if (!ADS_ERR_OK(status)) {
507 return status;
508 }
509
510 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
511 r->in.os_version);
512 if (!ADS_ERR_OK(status)) {
513 return status;
514 }
515
516 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
517 os_sp);
518 if (!ADS_ERR_OK(status)) {
519 return status;
520 }
521
522 return ads_gen_mod(r->in.ads, r->out.dn, mods);
523 }
524
525 /****************************************************************
526 ****************************************************************/
527
528 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
529 struct libnet_JoinCtx *r)
530 {
531 if (!USE_SYSTEM_KEYTAB) {
532 return true;
533 }
534
535 if (ads_keytab_create_default(r->in.ads) != 0) {
536 return false;
537 }
538
539 return true;
540 }
541
542 /****************************************************************
543 ****************************************************************/
544
545 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
546 struct libnet_JoinCtx *r)
547 {
548 uint32_t domain_func;
549 ADS_STATUS status;
550 const char *salt = NULL;
551 char *std_salt = NULL;
552
553 status = ads_domain_func_level(r->in.ads, &domain_func);
554 if (!ADS_ERR_OK(status)) {
555 libnet_join_set_error_string(mem_ctx, r,
556 "failed to determine domain functional level: %s",
557 ads_errstr(status));
558 return false;
559 }
560
561 /* go ahead and setup the default salt */
562
563 std_salt = kerberos_standard_des_salt();
564 if (!std_salt) {
565 libnet_join_set_error_string(mem_ctx, r,
566 "failed to obtain standard DES salt");
567 return false;
568 }
569
570 salt = talloc_strdup(mem_ctx, std_salt);
571 if (!salt) {
572 return false;
573 }
574
575 SAFE_FREE(std_salt);
576
577 /* if it's a Windows functional domain, we have to look for the UPN */
578
579 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
580 char *upn;
581
582 upn = ads_get_upn(r->in.ads, mem_ctx,
583 r->in.machine_name);
584 if (upn) {
585 salt = talloc_strdup(mem_ctx, upn);
586 if (!salt) {
587 return false;
588 }
589 }
590 }
591
592 return kerberos_secrets_store_des_salt(salt);
593 }
594
595 /****************************************************************
596 ****************************************************************/
597
598 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
599 struct libnet_JoinCtx *r)
600 {
601 ADS_STATUS status;
602
603 if (!r->in.ads) {
604 status = libnet_join_connect_ads(mem_ctx, r);
605 if (!ADS_ERR_OK(status)) {
606 return status;
607 }
608 }
609
610 status = libnet_join_set_machine_spn(mem_ctx, r);
611 if (!ADS_ERR_OK(status)) {
612 libnet_join_set_error_string(mem_ctx, r,
613 "failed to set machine spn: %s",
614 ads_errstr(status));
615 return status;
616 }
617
618 status = libnet_join_set_os_attributes(mem_ctx, r);
619 if (!ADS_ERR_OK(status)) {
620 libnet_join_set_error_string(mem_ctx, r,
621 "failed to set machine os attributes: %s",
622 ads_errstr(status));
623 return status;
624 }
625
626 status = libnet_join_set_machine_upn(mem_ctx, r);
627 if (!ADS_ERR_OK(status)) {
628 libnet_join_set_error_string(mem_ctx, r,
629 "failed to set machine upn: %s",
630 ads_errstr(status));
631 return status;
632 }
633
634 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
635 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
636 }
637
638 if (!libnet_join_create_keytab(mem_ctx, r)) {
639 libnet_join_set_error_string(mem_ctx, r,
640 "failed to create kerberos keytab");
641 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
642 }
643
644 return ADS_SUCCESS;
645 }
646 #endif /* HAVE_ADS */
647
648 /****************************************************************
649 Store the machine password and domain SID
650 ****************************************************************/
651
652 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
653 struct libnet_JoinCtx *r)
654 {
655 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
656 r->out.domain_sid))
657 {
658 DEBUG(1,("Failed to save domain sid\n"));
659 return false;
660 }
661
662 if (!secrets_store_machine_password(r->in.machine_password,
663 r->out.netbios_domain_name,
664 r->in.secure_channel_type))
665 {
666 DEBUG(1,("Failed to save machine password\n"));
667 return false;
668 }
669
670 return true;
671 }
672
673 /****************************************************************
674 Connect dc's IPC$ share
675 ****************************************************************/
676
677 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
678 const char *user,
679 const char *pass,
680 bool use_kerberos,
681 struct cli_state **cli)
682 {
683 int flags = 0;
684
685 if (use_kerberos) {
686 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
687 }
688
689 if (use_kerberos && pass) {
690 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
691 }
692
693 return cli_full_connection(cli, NULL,
694 dc,
695 NULL, 0,
696 "IPC$", "IPC",
697 user,
698 NULL,
699 pass,
700 flags,
701 Undefined);
702 }
703
704 /****************************************************************
705 Lookup domain dc's info
706 ****************************************************************/
707
708 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
709 struct libnet_JoinCtx *r,
710 struct cli_state **cli)
711 {
712 struct rpc_pipe_client *pipe_hnd = NULL;
713 struct policy_handle lsa_pol;
714 NTSTATUS status, result;
715 union lsa_PolicyInformation *info = NULL;
716 struct dcerpc_binding_handle *b;
717
718 status = libnet_join_connect_dc_ipc(r->in.dc_name,
719 r->in.admin_account,
720 r->in.admin_password,
721 r->in.use_kerberos,
722 cli);
723 if (!NT_STATUS_IS_OK(status)) {
724 goto done;
725 }
726
727 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
728 &pipe_hnd);
729 if (!NT_STATUS_IS_OK(status)) {
730 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
731 nt_errstr(status)));
732 goto done;
733 }
734
735 b = pipe_hnd->binding_handle;
736
737 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
738 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
739 if (!NT_STATUS_IS_OK(status)) {
740 goto done;
741 }
742
743 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
744 &lsa_pol,
745 LSA_POLICY_INFO_DNS,
746 &info,
747 &result);
748 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
749 r->out.domain_is_ad = true;
750 r->out.netbios_domain_name = info->dns.name.string;
751 r->out.dns_domain_name = info->dns.dns_domain.string;
752 r->out.forest_name = info->dns.dns_forest.string;
753 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
754 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
755 }
756
757 if (!NT_STATUS_IS_OK(status)) {
758 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
759 &lsa_pol,
760 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
761 &info,
762 &result);
763 if (!NT_STATUS_IS_OK(status)) {
764 goto done;
765 }
766 if (!NT_STATUS_IS_OK(result)) {
767 status = result;
768 goto done;
769 }
770
771 r->out.netbios_domain_name = info->account_domain.name.string;
772 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
773 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
774 }
775
776 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
777 TALLOC_FREE(pipe_hnd);
778
779 done:
780 return status;
781 }
782
783 /****************************************************************
784 Do the domain join unsecure
785 ****************************************************************/
786
787 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
788 struct libnet_JoinCtx *r,
789 struct cli_state *cli)
790 {
791 struct rpc_pipe_client *pipe_hnd = NULL;
792 unsigned char orig_trust_passwd_hash[16];
793 unsigned char new_trust_passwd_hash[16];
794 fstring trust_passwd;
795 NTSTATUS status;
796
797 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
798 &pipe_hnd);
799 if (!NT_STATUS_IS_OK(status)) {
800 return status;
801 }
802
803 if (!r->in.machine_password) {
804 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
805 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
806 }
807
808 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
809
810 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
811 fstrcpy(trust_passwd, r->in.admin_password);
812 strlower_m(trust_passwd);
813
814 /*
815 * Machine names can be 15 characters, but the max length on
816 * a password is 14. --jerry
817 */
818
819 trust_passwd[14] = '\0';
820
821 E_md4hash(trust_passwd, orig_trust_passwd_hash);
822
823 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
824 r->in.machine_name,
825 orig_trust_passwd_hash,
826 r->in.machine_password,
827 new_trust_passwd_hash,
828 r->in.secure_channel_type);
829
830 return status;
831 }
832
833 /****************************************************************
834 Do the domain join
835 ****************************************************************/
836
837 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
838 struct libnet_JoinCtx *r,
839 struct cli_state *cli)
840 {
841 struct rpc_pipe_client *pipe_hnd = NULL;
842 struct policy_handle sam_pol, domain_pol, user_pol;
843 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
844 char *acct_name;
845 struct lsa_String lsa_acct_name;
846 uint32_t user_rid;
847 uint32_t acct_flags = ACB_WSTRUST;
848 struct samr_Ids user_rids;
849 struct samr_Ids name_types;
850 union samr_UserInfo user_info;
851 struct dcerpc_binding_handle *b = NULL;
852
853 struct samr_CryptPassword crypt_pwd;
854 struct samr_CryptPasswordEx crypt_pwd_ex;
855
856 ZERO_STRUCT(sam_pol);
857 ZERO_STRUCT(domain_pol);
858 ZERO_STRUCT(user_pol);
859
860 switch (r->in.secure_channel_type) {
861 case SEC_CHAN_WKSTA:
862 acct_flags = ACB_WSTRUST;
863 break;
864 case SEC_CHAN_BDC:
865 acct_flags = ACB_SVRTRUST;
866 break;
867 default:
868 return NT_STATUS_INVALID_PARAMETER;
869 }
870
871 if (!r->in.machine_password) {
872 r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
873 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
874 }
875
876 /* Open the domain */
877
878 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
879 &pipe_hnd);
880 if (!NT_STATUS_IS_OK(status)) {
881 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
882 nt_errstr(status)));
883 goto done;
884 }
885
886 b = pipe_hnd->binding_handle;
887
888 status = dcerpc_samr_Connect2(b, mem_ctx,
889 pipe_hnd->desthost,
890 SAMR_ACCESS_ENUM_DOMAINS
891 | SAMR_ACCESS_LOOKUP_DOMAIN,
892 &sam_pol,
893 &result);
894 if (!NT_STATUS_IS_OK(status)) {
895 goto done;
896 }
897 if (!NT_STATUS_IS_OK(result)) {
898 status = result;
899 goto done;
900 }
901
902 status = dcerpc_samr_OpenDomain(b, mem_ctx,
903 &sam_pol,
904 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
905 | SAMR_DOMAIN_ACCESS_CREATE_USER
906 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
907 r->out.domain_sid,
908 &domain_pol,
909 &result);
910 if (!NT_STATUS_IS_OK(status)) {
911 goto done;
912 }
913 if (!NT_STATUS_IS_OK(result)) {
914 status = result;
915 goto done;
916 }
917
918 /* Create domain user */
919
920 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
921 strlower_m(acct_name);
922
923 init_lsa_String(&lsa_acct_name, acct_name);
924
925 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
926 uint32_t access_desired =
927 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
928 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
929 SAMR_USER_ACCESS_SET_PASSWORD |
930 SAMR_USER_ACCESS_GET_ATTRIBUTES |
931 SAMR_USER_ACCESS_SET_ATTRIBUTES;
932 uint32_t access_granted = 0;
933
934 DEBUG(10,("Creating account with desired access mask: %d\n",
935 access_desired));
936
937 status = dcerpc_samr_CreateUser2(b, mem_ctx,
938 &domain_pol,
939 &lsa_acct_name,
940 acct_flags,
941 access_desired,
942 &user_pol,
943 &access_granted,
944 &user_rid,
945 &result);
946 if (!NT_STATUS_IS_OK(status)) {
947 goto done;
948 }
949
950 status = result;
951 if (!NT_STATUS_IS_OK(status) &&
952 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
953
954 DEBUG(10,("Creation of workstation account failed: %s\n",
955 nt_errstr(status)));
956
957 /* If NT_STATUS_ACCESS_DENIED then we have a valid
958 username/password combo but the user does not have
959 administrator access. */
960
961 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
962 libnet_join_set_error_string(mem_ctx, r,
963 "User specified does not have "
964 "administrator privileges");
965 }
966
967 goto done;
968 }
969
970 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
971 if (!(r->in.join_flags &
972 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
973 goto done;
974 }
975 }
976
977 /* We *must* do this.... don't ask... */
978
979 if (NT_STATUS_IS_OK(status)) {
980 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
981 }
982 }
983
984 status = dcerpc_samr_LookupNames(b, mem_ctx,
985 &domain_pol,
986 1,
987 &lsa_acct_name,
988 &user_rids,
989 &name_types,
990 &result);
991 if (!NT_STATUS_IS_OK(status)) {
992 goto done;
993 }
994 if (!NT_STATUS_IS_OK(result)) {
995 status = result;
996 goto done;
997 }
998
999 if (name_types.ids[0] != SID_NAME_USER) {
1000 DEBUG(0,("%s is not a user account (type=%d)\n",
1001 acct_name, name_types.ids[0]));
1002 status = NT_STATUS_INVALID_WORKSTATION;
1003 goto done;
1004 }
1005
1006 user_rid = user_rids.ids[0];
1007
1008 /* Open handle on user */
1009
1010 status = dcerpc_samr_OpenUser(b, mem_ctx,
1011 &domain_pol,
1012 SEC_FLAG_MAXIMUM_ALLOWED,
1013 user_rid,
1014 &user_pol,
1015 &result);
1016 if (!NT_STATUS_IS_OK(status)) {
1017 goto done;
1018 }
1019 if (!NT_STATUS_IS_OK(result)) {
1020 status = result;
1021 goto done;
1022 }
1023
1024 /* Fill in the additional account flags now */
1025
1026 acct_flags |= ACB_PWNOEXP;
1027
1028 /* Set account flags on machine account */
1029 ZERO_STRUCT(user_info.info16);
1030 user_info.info16.acct_flags = acct_flags;
1031
1032 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1033 &user_pol,
1034 16,
1035 &user_info,
1036 &result);
1037 if (!NT_STATUS_IS_OK(status)) {
1038 dcerpc_samr_DeleteUser(b, mem_ctx,
1039 &user_pol,
1040 &result);
1041
1042 libnet_join_set_error_string(mem_ctx, r,
1043 "Failed to set account flags for machine account (%s)\n",
1044 nt_errstr(status));
1045 goto done;
1046 }
1047
1048 if (!NT_STATUS_IS_OK(result)) {
1049 status = result;
1050
1051 dcerpc_samr_DeleteUser(b, mem_ctx,
1052 &user_pol,
1053 &result);
1054
1055 libnet_join_set_error_string(mem_ctx, r,
1056 "Failed to set account flags for machine account (%s)\n",
1057 nt_errstr(status));
1058 goto done;
1059 }
1060
1061 /* Set password on machine account - first try level 26 */
1062
1063 init_samr_CryptPasswordEx(r->in.machine_password,
1064 &cli->user_session_key,
1065 &crypt_pwd_ex);
1066
1067 user_info.info26.password = crypt_pwd_ex;
1068 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1069
1070 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1071 &user_pol,
1072 26,
1073 &user_info,
1074 &result);
1075
1076 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
1077
1078 /* retry with level 24 */
1079
1080 init_samr_CryptPassword(r->in.machine_password,
1081 &cli->user_session_key,
1082 &crypt_pwd);
1083
1084 user_info.info24.password = crypt_pwd;
1085 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1086
1087 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1088 &user_pol,
1089 24,
1090 &user_info,
1091 &result);
1092 }
1093
1094 if (!NT_STATUS_IS_OK(status)) {
1095
1096 dcerpc_samr_DeleteUser(b, mem_ctx,
1097 &user_pol,
1098 &result);
1099
1100 libnet_join_set_error_string(mem_ctx, r,
1101 "Failed to set password for machine account (%s)\n",
1102 nt_errstr(status));
1103 goto done;
1104 }
1105 if (!NT_STATUS_IS_OK(result)) {
1106 status = result;
1107
1108 dcerpc_samr_DeleteUser(b, mem_ctx,
1109 &user_pol,
1110 &result);
1111
1112 libnet_join_set_error_string(mem_ctx, r,
1113 "Failed to set password for machine account (%s)\n",
1114 nt_errstr(status));
1115 goto done;
1116 }
1117
1118 status = NT_STATUS_OK;
1119
1120 done:
1121 if (!pipe_hnd) {
1122 return status;
1123 }
1124
1125 if (is_valid_policy_hnd(&sam_pol)) {
1126 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1127 }
1128 if (is_valid_policy_hnd(&domain_pol)) {
1129 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1130 }
1131 if (is_valid_policy_hnd(&user_pol)) {
1132 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1133 }
1134 TALLOC_FREE(pipe_hnd);
1135
1136 return status;
1137 }
1138
1139 /****************************************************************
1140 ****************************************************************/
1141
1142 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1143 const char *machine_name,
1144 const char *dc_name)
1145 {
1146 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1147 struct cli_state *cli = NULL;
1148 struct rpc_pipe_client *pipe_hnd = NULL;
1149 struct rpc_pipe_client *netlogon_pipe = NULL;
1150 NTSTATUS status;
1151 char *machine_password = NULL;
1152 char *machine_account = NULL;
1153
1154 if (!dc_name) {
1155 return NT_STATUS_INVALID_PARAMETER;
1156 }
1157
1158 if (!secrets_init()) {
1159 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1160 }
1161
1162 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1163 NULL, NULL);
1164 if (!machine_password) {
1165 return NT_STATUS_NO_TRUST_LSA_SECRET;
1166 }
1167
1168 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1169 SAFE_FREE(machine_password);
1170 return NT_STATUS_NO_MEMORY;
1171 }
1172
1173 status = cli_full_connection(&cli, NULL,
1174 dc_name,
1175 NULL, 0,
1176 "IPC$", "IPC",
1177 machine_account,
1178 NULL,
1179 machine_password,
1180 0,
1181 Undefined);
1182 free(machine_account);
1183 free(machine_password);
1184
1185 if (!NT_STATUS_IS_OK(status)) {
1186 status = cli_full_connection(&cli, NULL,
1187 dc_name,
1188 NULL, 0,
1189 "IPC$", "IPC",
1190 "",
1191 NULL,
1192 "",
1193 0,
1194 Undefined);
1195 }
1196
1197 if (!NT_STATUS_IS_OK(status)) {
1198 return status;
1199 }
1200
1201 status = get_schannel_session_key(cli, netbios_domain_name,
1202 &neg_flags, &netlogon_pipe);
1203 if (!NT_STATUS_IS_OK(status)) {
1204 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1205 cli_shutdown(cli);
1206 return NT_STATUS_OK;
1207 }
1208
1209 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1210 "key from server %s for domain %s. Error was %s\n",
1211 cli->desthost, netbios_domain_name, nt_errstr(status)));
1212 cli_shutdown(cli);
1213 return status;
1214 }
1215
1216 if (!lp_client_schannel()) {
1217 cli_shutdown(cli);
1218 return NT_STATUS_OK;
1219 }
1220
1221 status = cli_rpc_pipe_open_schannel_with_key(
1222 cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1223 DCERPC_AUTH_LEVEL_PRIVACY,
1224 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1225
1226 cli_shutdown(cli);
1227
1228 if (!NT_STATUS_IS_OK(status)) {
1229 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1230 "on netlogon pipe to server %s for domain %s. "
1231 "Error was %s\n",
1232 cli->desthost, netbios_domain_name, nt_errstr(status)));
1233 return status;
1234 }
1235
1236 return NT_STATUS_OK;
1237 }
1238
1239 /****************************************************************
1240 ****************************************************************/
1241
1242 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1243 struct libnet_JoinCtx *r)
1244 {
1245 NTSTATUS status;
1246
1247 status = libnet_join_ok(r->out.netbios_domain_name,
1248 r->in.machine_name,
1249 r->in.dc_name);
1250 if (!NT_STATUS_IS_OK(status)) {
1251 libnet_join_set_error_string(mem_ctx, r,
1252 "failed to verify domain membership after joining: %s",
1253 get_friendly_nt_error_msg(status));
1254 return WERR_SETUP_NOT_JOINED;
1255 }
1256
1257 return WERR_OK;
1258 }
1259
1260 /****************************************************************
1261 ****************************************************************/
1262
1263 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1264 struct libnet_UnjoinCtx *r)
1265 {
1266 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1267 return false;
1268 }
1269
1270 if (!secrets_delete_domain_sid(lp_workgroup())) {
1271 return false;
1272 }
1273
1274 return true;
1275 }
1276
1277 /****************************************************************
1278 ****************************************************************/
1279
1280 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1281 struct libnet_UnjoinCtx *r)
1282 {
1283 struct cli_state *cli = NULL;
1284 struct rpc_pipe_client *pipe_hnd = NULL;
1285 struct policy_handle sam_pol, domain_pol, user_pol;
1286 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1287 char *acct_name;
1288 uint32_t user_rid;
1289 struct lsa_String lsa_acct_name;
1290 struct samr_Ids user_rids;
1291 struct samr_Ids name_types;
1292 union samr_UserInfo *info = NULL;
1293 struct dcerpc_binding_handle *b;
1294
1295 ZERO_STRUCT(sam_pol);
1296 ZERO_STRUCT(domain_pol);
1297 ZERO_STRUCT(user_pol);
1298
1299 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1300 r->in.admin_account,
1301 r->in.admin_password,
1302 r->in.use_kerberos,
1303 &cli);
1304 if (!NT_STATUS_IS_OK(status)) {
1305 goto done;
1306 }
1307
1308 /* Open the domain */
1309
1310 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1311 &pipe_hnd);
1312 if (!NT_STATUS_IS_OK(status)) {
1313 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1314 nt_errstr(status)));
1315 goto done;
1316 }
1317
1318 b = pipe_hnd->binding_handle;
1319
1320 status = dcerpc_samr_Connect2(b, mem_ctx,
1321 pipe_hnd->desthost,
1322 SEC_FLAG_MAXIMUM_ALLOWED,
1323 &sam_pol,
1324 &result);
1325 if (!NT_STATUS_IS_OK(status)) {
1326 goto done;
1327 }
1328 if (!NT_STATUS_IS_OK(result)) {
1329 status = result;
1330 goto done;
1331 }
1332
1333 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1334 &sam_pol,
1335 SEC_FLAG_MAXIMUM_ALLOWED,
1336 r->in.domain_sid,
1337 &domain_pol,
1338 &result);
1339 if (!NT_STATUS_IS_OK(status)) {
1340 goto done;
1341 }
1342 if (!NT_STATUS_IS_OK(result)) {
1343 status = result;
1344 goto done;
1345 }
1346
1347 /* Create domain user */
1348
1349 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1350 strlower_m(acct_name);
1351
1352 init_lsa_String(&lsa_acct_name, acct_name);
1353
1354 status = dcerpc_samr_LookupNames(b, mem_ctx,
1355 &domain_pol,
1356 1,
1357 &lsa_acct_name,
1358 &user_rids,
1359 &name_types,
1360 &result);
1361
1362 if (!NT_STATUS_IS_OK(status)) {
1363 goto done;
1364 }
1365 if (!NT_STATUS_IS_OK(result)) {
1366 status = result;
1367 goto done;
1368 }
1369
1370 if (name_types.ids[0] != SID_NAME_USER) {
1371 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1372 name_types.ids[0]));
1373 status = NT_STATUS_INVALID_WORKSTATION;
1374 goto done;
1375 }
1376
1377 user_rid = user_rids.ids[0];
1378
1379 /* Open handle on user */
1380
1381 status = dcerpc_samr_OpenUser(b, mem_ctx,
1382 &domain_pol,
1383 SEC_FLAG_MAXIMUM_ALLOWED,
1384 user_rid,
1385 &user_pol,
1386 &result);
1387 if (!NT_STATUS_IS_OK(status)) {
1388 goto done;
1389 }
1390 if (!NT_STATUS_IS_OK(result)) {
1391 status = result;
1392 goto done;
1393 }
1394
1395 /* Get user info */
1396
1397 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1398 &user_pol,
1399 16,
1400 &info,
1401 &result);
1402 if (!NT_STATUS_IS_OK(status)) {
1403 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1404 goto done;
1405 }
1406 if (!NT_STATUS_IS_OK(result)) {
1407 status = result;
1408 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1409 goto done;
1410 }
1411
1412 /* now disable and setuser info */
1413
1414 info->info16.acct_flags |= ACB_DISABLED;
1415
1416 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1417 &user_pol,
1418 16,
1419 info,
1420 &result);
1421 if (!NT_STATUS_IS_OK(status)) {
1422 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1423 goto done;
1424 }
1425 if (!NT_STATUS_IS_OK(result)) {
1426 status = result;
1427 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1428 goto done;
1429 }
1430 status = result;
1431 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1432
1433 done:
1434 if (pipe_hnd) {
1435 if (is_valid_policy_hnd(&domain_pol)) {
1436 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1437 }
1438 if (is_valid_policy_hnd(&sam_pol)) {
1439 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1440 }
1441 TALLOC_FREE(pipe_hnd);
1442 }
1443
1444 if (cli) {
1445 cli_shutdown(cli);
1446 }
1447
1448 return status;
1449 }
1450
1451 /****************************************************************
1452 ****************************************************************/
1453
1454 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1455 {
1456 WERROR werr;
1457 struct smbconf_ctx *ctx;
1458
1459 werr = smbconf_init_reg(r, &ctx, NULL);
1460 if (!W_ERROR_IS_OK(werr)) {
1461 goto done;
1462 }
1463
1464 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1465
1466 werr = smbconf_set_global_parameter(ctx, "security", "user");
1467 W_ERROR_NOT_OK_GOTO_DONE(werr);
1468
1469 werr = smbconf_set_global_parameter(ctx, "workgroup",
1470 r->in.domain_name);
1471
1472 smbconf_delete_global_parameter(ctx, "realm");
1473 goto done;
1474 }
1475
1476 werr = smbconf_set_global_parameter(ctx, "security", "domain");
1477 W_ERROR_NOT_OK_GOTO_DONE(werr);
1478
1479 werr = smbconf_set_global_parameter(ctx, "workgroup",
1480 r->out.netbios_domain_name);
1481 W_ERROR_NOT_OK_GOTO_DONE(werr);
1482
1483 if (r->out.domain_is_ad) {
1484 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1485 W_ERROR_NOT_OK_GOTO_DONE(werr);
1486
1487 werr = smbconf_set_global_parameter(ctx, "realm",
1488 r->out.dns_domain_name);
1489 W_ERROR_NOT_OK_GOTO_DONE(werr);
1490 }
1491
1492 done:
1493 smbconf_shutdown(ctx);
1494 return werr;
1495 }
1496
1497 /****************************************************************
1498 ****************************************************************/
1499
1500 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1501 {
1502 WERROR werr = WERR_OK;
1503 struct smbconf_ctx *ctx;
1504
1505 werr = smbconf_init_reg(r, &ctx, NULL);
1506 if (!W_ERROR_IS_OK(werr)) {
1507 goto done;
1508 }
1509
1510 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1511
1512 werr = smbconf_set_global_parameter(ctx, "security", "user");
1513 W_ERROR_NOT_OK_GOTO_DONE(werr);
1514
1515 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1516 W_ERROR_NOT_OK_GOTO_DONE(werr);
1517
1518 smbconf_delete_global_parameter(ctx, "realm");
1519 }
1520
1521 done:
1522 smbconf_shutdown(ctx);
1523 return werr;
1524 }
1525
1526 /****************************************************************
1527 ****************************************************************/
1528
1529 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1530 {
1531 WERROR werr;
1532
1533 if (!W_ERROR_IS_OK(r->out.result)) {
1534 return r->out.result;
1535 }
1536
1537 if (!r->in.modify_config) {
1538 return WERR_OK;
1539 }
1540
1541 werr = do_join_modify_vals_config(r);
1542 if (!W_ERROR_IS_OK(werr)) {
1543 return werr;
1544 }
1545
1546 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1547
1548 r->out.modified_config = true;
1549 r->out.result = werr;
1550
1551 return werr;
1552 }
1553
1554 /****************************************************************
1555 ****************************************************************/
1556
1557 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1558 {
1559 WERROR werr;
1560
1561 if (!W_ERROR_IS_OK(r->out.result)) {
1562 return r->out.result;
1563 }
1564
1565 if (!r->in.modify_config) {
1566 return WERR_OK;
1567 }
1568
1569 werr = do_unjoin_modify_vals_config(r);
1570 if (!W_ERROR_IS_OK(werr)) {
1571 return werr;
1572 }
1573
1574 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1575
1576 r->out.modified_config = true;
1577 r->out.result = werr;
1578
1579 return werr;
1580 }
1581
1582 /****************************************************************
1583 ****************************************************************/
1584
1585 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1586 const char *domain_str,
1587 const char **domain_p,
1588 const char **dc_p)
1589 {
1590 char *domain = NULL;
1591 char *dc = NULL;
1592 const char *p = NULL;
1593
1594 if (!domain_str || !domain_p || !dc_p) {
1595 return false;
1596 }
1597
1598 p = strchr_m(domain_str, '\\');
1599
1600 if (p != NULL) {
1601 domain = talloc_strndup(mem_ctx, domain_str,
1602 PTR_DIFF(p, domain_str));
1603 dc = talloc_strdup(mem_ctx, p+1);
1604 if (!dc) {
1605 return false;
1606 }
1607 } else {
1608 domain = talloc_strdup(mem_ctx, domain_str);
1609 dc = NULL;
1610 }
1611 if (!domain) {
1612 return false;
1613 }
1614
1615 *domain_p = domain;
1616
1617 if (!*dc_p && dc) {
1618 *dc_p = dc;
1619 }
1620
1621 return true;
1622 }
1623
1624 /****************************************************************
1625 ****************************************************************/
1626
1627 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1628 struct libnet_JoinCtx *r)
1629 {
1630 if (!r->in.domain_name) {
1631 libnet_join_set_error_string(mem_ctx, r,
1632 "No domain name defined");
1633 return WERR_INVALID_PARAM;
1634 }
1635
1636 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1637 &r->in.domain_name,
1638 &r->in.dc_name)) {
1639 libnet_join_set_error_string(mem_ctx, r,
1640 "Failed to parse domain name");
1641 return WERR_INVALID_PARAM;
1642 }
1643
1644 if (IS_DC) {
1645 return WERR_SETUP_DOMAIN_CONTROLLER;
1646 }
1647
1648 if (!secrets_init()) {
1649 libnet_join_set_error_string(mem_ctx, r,
1650 "Unable to open secrets database");
1651 return WERR_CAN_NOT_COMPLETE;
1652 }
1653
1654 return WERR_OK;
1655 }
1656
1657 /****************************************************************
1658 ****************************************************************/
1659
1660 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1661 {
1662 NTSTATUS status;
1663
1664 /* Try adding dom admins to builtin\admins. Only log failures. */
1665 status = create_builtin_administrators(domain_sid);
1666 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1667 DEBUG(10,("Unable to auto-add domain administrators to "
1668 "BUILTIN\\Administrators during join because "
1669 "winbindd must be running."));
1670 } else if (!NT_STATUS_IS_OK(status)) {
1671 DEBUG(5, ("Failed to auto-add domain administrators to "
1672 "BUILTIN\\Administrators during join: %s\n",
1673 nt_errstr(status)));
1674 }
1675
1676 /* Try adding dom users to builtin\users. Only log failures. */
1677 status = create_builtin_users(domain_sid);
1678 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1679 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1680 "during join because winbindd must be running."));
1681 } else if (!NT_STATUS_IS_OK(status)) {
1682 DEBUG(5, ("Failed to auto-add domain administrators to "
1683 "BUILTIN\\Administrators during join: %s\n",
1684 nt_errstr(status)));
1685 }
1686 }
1687
1688 /****************************************************************
1689 ****************************************************************/
1690
1691 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1692 struct libnet_JoinCtx *r)
1693 {
1694 WERROR werr;
1695
1696 if (!W_ERROR_IS_OK(r->out.result)) {
1697 return r->out.result;
1698 }
1699
1700 werr = do_JoinConfig(r);
1701 if (!W_ERROR_IS_OK(werr)) {
1702 return werr;
1703 }
1704
1705 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1706 return WERR_OK;
1707 }
1708
1709 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1710 if (r->out.dns_domain_name) {
1711 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1712 }
1713
1714 #ifdef HAVE_ADS
1715 if (r->out.domain_is_ad &&
1716 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1717 ADS_STATUS ads_status;
1718
1719 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1720 if (!ADS_ERR_OK(ads_status)) {
1721 return WERR_GENERAL_FAILURE;
1722 }
1723 }
1724 #endif /* HAVE_ADS */
1725
1726 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1727
1728 return WERR_OK;
1729 }
1730
1731 /****************************************************************
1732 ****************************************************************/
1733
1734 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1735 {
1736 const char *krb5_cc_env = NULL;
1737
1738 if (r->in.ads) {
1739 ads_destroy(&r->in.ads);
1740 }
1741
1742 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1743 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1744 unsetenv(KRB5_ENV_CCNAME);
1745 }
1746
1747 return 0;
1748 }
1749
1750 /****************************************************************
1751 ****************************************************************/
1752
1753 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1754 {
1755 const char *krb5_cc_env = NULL;
1756
1757 if (r->in.ads) {
1758 ads_destroy(&r->in.ads);
1759 }
1760
1761 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1762 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1763 unsetenv(KRB5_ENV_CCNAME);
1764 }
1765
1766 return 0;
1767 }
1768
1769 /****************************************************************
1770 ****************************************************************/
1771
1772 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1773 struct libnet_JoinCtx **r)
1774 {
1775 struct libnet_JoinCtx *ctx;
1776 const char *krb5_cc_env = NULL;
1777
1778 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1779 if (!ctx) {
1780 return WERR_NOMEM;
1781 }
1782
1783 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1784
1785 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1786 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1787
1788 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1789 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1790 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1791 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1792 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1793 }
1794
1795 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1796
1797 *r = ctx;
1798
1799 return WERR_OK;
1800 }
1801
1802 /****************************************************************
1803 ****************************************************************/
1804
1805 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1806 struct libnet_UnjoinCtx **r)
1807 {
1808 struct libnet_UnjoinCtx *ctx;
1809 const char *krb5_cc_env = NULL;
1810
1811 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1812 if (!ctx) {
1813 return WERR_NOMEM;
1814 }
1815
1816 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1817
1818 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1819 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1820
1821 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1822 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1823 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1824 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1825 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1826 }
1827
1828 *r = ctx;
1829
1830 return WERR_OK;
1831 }
1832
1833 /****************************************************************
1834 ****************************************************************/
1835
1836 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1837 struct libnet_JoinCtx *r)
1838 {
1839 bool valid_security = false;
1840 bool valid_workgroup = false;
1841 bool valid_realm = false;
1842
1843 /* check if configuration is already set correctly */
1844
1845 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1846
1847 switch (r->out.domain_is_ad) {
1848 case false:
1849 valid_security = (lp_security() == SEC_DOMAIN);
1850 if (valid_workgroup && valid_security) {
1851 /* nothing to be done */
1852 return WERR_OK;
1853 }
1854 break;
1855 case true:
1856 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1857 switch (lp_security()) {
1858 case SEC_DOMAIN:
1859 case SEC_ADS:
1860 valid_security = true;
1861 }
1862
1863 if (valid_workgroup && valid_realm && valid_security) {
1864 /* nothing to be done */
1865 return WERR_OK;
1866 }
1867 break;
1868 }
1869
1870 /* check if we are supposed to manipulate configuration */
1871
1872 if (!r->in.modify_config) {
1873
1874 char *wrong_conf = talloc_strdup(mem_ctx, "");
1875
1876 if (!valid_workgroup) {
1877 wrong_conf = talloc_asprintf_append(wrong_conf,
1878 "\"workgroup\" set to '%s', should be '%s'",
1879 lp_workgroup(), r->out.netbios_domain_name);
1880 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1881 }
1882
1883 if (!valid_realm) {
1884 wrong_conf = talloc_asprintf_append(wrong_conf,
1885 "\"realm\" set to '%s', should be '%s'",
1886 lp_realm(), r->out.dns_domain_name);
1887 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1888 }
1889
1890 if (!valid_security) {
1891 const char *sec = NULL;
1892 switch (lp_security()) {
1893 case SEC_SHARE: sec = "share"; break;
1894 case SEC_USER: sec = "user"; break;
1895 case SEC_DOMAIN: sec = "domain"; break;
1896 case SEC_ADS: sec = "ads"; break;
1897 }
1898 wrong_conf = talloc_asprintf_append(wrong_conf,
1899 "\"security\" set to '%s', should be %s",
1900 sec, r->out.domain_is_ad ?
1901 "either 'domain' or 'ads'" : "'domain'");
1902 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1903 }
1904
1905 libnet_join_set_error_string(mem_ctx, r,
1906 "Invalid configuration (%s) and configuration modification "
1907 "was not requested", wrong_conf);
1908 return WERR_CAN_NOT_COMPLETE;
1909 }
1910
1911 /* check if we are able to manipulate configuration */
1912
1913 if (!lp_config_backend_is_registry()) {
1914 libnet_join_set_error_string(mem_ctx, r,
1915 "Configuration manipulation requested but not "
1916 "supported by backend");
1917 return WERR_NOT_SUPPORTED;
1918 }
1919
1920 return WERR_OK;
1921 }
1922
1923 /****************************************************************
1924 ****************************************************************/
1925
1926 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1927 struct libnet_JoinCtx *r)
1928 {
1929 NTSTATUS status;
1930 WERROR werr;
1931 struct cli_state *cli = NULL;
1932 #ifdef HAVE_ADS
1933 ADS_STATUS ads_status;
1934 #endif /* HAVE_ADS */
1935
1936 if (!r->in.dc_name) {
1937 struct netr_DsRGetDCNameInfo *info;
1938 const char *dc;
1939 status = dsgetdcname(mem_ctx,
1940 r->in.msg_ctx,
1941 r->in.domain_name,
1942 NULL,
1943 NULL,
1944 DS_FORCE_REDISCOVERY |
1945 DS_DIRECTORY_SERVICE_REQUIRED |
1946 DS_WRITABLE_REQUIRED |
1947 DS_RETURN_DNS_NAME,
1948 &info);
1949 if (!NT_STATUS_IS_OK(status)) {
1950 libnet_join_set_error_string(mem_ctx, r,
1951 "failed to find DC for domain %s",
1952 r->in.domain_name,
1953 get_friendly_nt_error_msg(status));
1954 return WERR_DCNOTFOUND;
1955 }
1956
1957 dc = strip_hostname(info->dc_unc);
1958 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1959 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1960 }
1961
1962 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1963 if (!NT_STATUS_IS_OK(status)) {
1964 libnet_join_set_error_string(mem_ctx, r,
1965 "failed to lookup DC info for domain '%s' over rpc: %s",
1966 r->in.domain_name, get_friendly_nt_error_msg(status));
1967 return ntstatus_to_werror(status);
1968 }
1969
1970 werr = libnet_join_check_config(mem_ctx, r);
1971 if (!W_ERROR_IS_OK(werr)) {
1972 goto done;
1973 }
1974
1975 #ifdef HAVE_ADS
1976 if (r->out.domain_is_ad && r->in.account_ou &&
1977 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1978
1979 ads_status = libnet_join_connect_ads(mem_ctx, r);
1980 if (!ADS_ERR_OK(ads_status)) {
1981 return WERR_DEFAULT_JOIN_REQUIRED;
1982 }
1983
1984 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1985 if (!ADS_ERR_OK(ads_status)) {
1986 libnet_join_set_error_string(mem_ctx, r,
1987 "failed to precreate account in ou %s: %s",
1988 r->in.account_ou,
1989 ads_errstr(ads_status));
1990 return WERR_DEFAULT_JOIN_REQUIRED;
1991 }
1992
1993 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1994 }
1995 #endif /* HAVE_ADS */
1996
1997 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
1998 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
1999 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2000 } else {
2001 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2002 }
2003 if (!NT_STATUS_IS_OK(status)) {
2004 libnet_join_set_error_string(mem_ctx, r,
2005 "failed to join domain '%s' over rpc: %s",
2006 r->in.domain_name, get_friendly_nt_error_msg(status));
2007 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2008 return WERR_SETUP_ALREADY_JOINED;
2009 }
2010 werr = ntstatus_to_werror(status);
2011 goto done;
2012 }
2013
2014 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2015 werr = WERR_SETUP_NOT_JOINED;
2016 goto done;
2017 }
2018
2019 werr = WERR_OK;
2020
2021 done:
2022 if (cli) {
2023 cli_shutdown(cli);
2024 }
2025
2026 return werr;
2027 }
2028
2029 /****************************************************************
2030 ****************************************************************/
2031
2032 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2033 struct libnet_JoinCtx *r)
2034 {
2035 WERROR werr;
2036 struct libnet_UnjoinCtx *u = NULL;
2037
2038 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2039 if (!W_ERROR_IS_OK(werr)) {
2040 return werr;
2041 }
2042
2043 u->in.debug = r->in.debug;
2044 u->in.dc_name = r->in.dc_name;
2045 u->in.domain_name = r->in.domain_name;
2046 u->in.admin_account = r->in.admin_account;
2047 u->in.admin_password = r->in.admin_password;
2048 u->in.modify_config = r->in.modify_config;
2049 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2050 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2051
2052 werr = libnet_Unjoin(mem_ctx, u);
2053 TALLOC_FREE(u);
2054
2055 return werr;
2056 }
2057
2058 /****************************************************************
2059 ****************************************************************/
2060
2061 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2062 struct libnet_JoinCtx *r)
2063 {
2064 WERROR werr;
2065
2066 if (r->in.debug) {
2067 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2068 }
2069
2070 werr = libnet_join_pre_processing(mem_ctx, r);
2071 if (!W_ERROR_IS_OK(werr)) {
2072 goto done;
2073 }
2074
2075 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2076 werr = libnet_DomainJoin(mem_ctx, r);
2077 if (!W_ERROR_IS_OK(werr)) {
2078 goto done;
2079 }
2080 }
2081
2082 werr = libnet_join_post_processing(mem_ctx, r);
2083 if (!W_ERROR_IS_OK(werr)) {
2084 goto done;
2085 }
2086
2087 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2088 werr = libnet_join_post_verify(mem_ctx, r);
2089 if (!W_ERROR_IS_OK(werr)) {
2090 libnet_join_rollback(mem_ctx, r);
2091 }
2092 }
2093
2094 done:
2095 r->out.result = werr;
2096
2097 if (r->in.debug) {
2098 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2099 }
2100 return werr;
2101 }
2102
2103 /****************************************************************
2104 ****************************************************************/
2105
2106 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2107 struct libnet_UnjoinCtx *r)
2108 {
2109 NTSTATUS status;
2110
2111 if (!r->in.domain_sid) {
2112 struct dom_sid sid;
2113 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2114 libnet_unjoin_set_error_string(mem_ctx, r,
2115 "Unable to fetch domain sid: are we joined?");
2116 return WERR_SETUP_NOT_JOINED;
2117 }
2118 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2119 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2120 }
2121
2122 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2123 !r->in.delete_machine_account) {
2124 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2125 return WERR_OK;
2126 }
2127
2128 if (!r->in.dc_name) {
2129 struct netr_DsRGetDCNameInfo *info;
2130 const char *dc;
2131 status = dsgetdcname(mem_ctx,
2132 r->in.msg_ctx,
2133 r->in.domain_name,
2134 NULL,
2135 NULL,
2136 DS_DIRECTORY_SERVICE_REQUIRED |
2137 DS_WRITABLE_REQUIRED |
2138 DS_RETURN_DNS_NAME,
2139 &info);
2140 if (!NT_STATUS_IS_OK(status)) {
2141 libnet_unjoin_set_error_string(mem_ctx, r,
2142 "failed to find DC for domain %s",
2143 r->in.domain_name,
2144 get_friendly_nt_error_msg(status));
2145 return WERR_DCNOTFOUND;
2146 }
2147
2148 dc = strip_hostname(info->dc_unc);
2149 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2150 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2151 }
2152
2153 #ifdef HAVE_ADS
2154 /* for net ads leave, try to delete the account. If it works,
2155 no sense in disabling. If it fails, we can still try to
2156 disable it. jmcd */
2157
2158 if (r->in.delete_machine_account) {
2159 ADS_STATUS ads_status;
2160 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2161 if (ADS_ERR_OK(ads_status)) {
2162 /* dirty hack */
2163 r->out.dns_domain_name =
2164 talloc_strdup(mem_ctx,
2165 r->in.ads->server.realm);
2166 ads_status =
2167 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2168 }
2169 if (!ADS_ERR_OK(ads_status)) {
2170 libnet_unjoin_set_error_string(mem_ctx, r,
2171 "failed to remove machine account from AD: %s",
2172 ads_errstr(ads_status));
2173 } else {
2174 r->out.deleted_machine_account = true;
2175 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2176 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2177 return WERR_OK;
2178 }
2179 }
2180 #endif /* HAVE_ADS */
2181
2182 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2183 "disable". */
2184 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2185 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2186 if (!NT_STATUS_IS_OK(status)) {
2187 libnet_unjoin_set_error_string(mem_ctx, r,
2188 "failed to disable machine account via rpc: %s",
2189 get_friendly_nt_error_msg(status));
2190 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2191 return WERR_SETUP_NOT_JOINED;
2192 }
2193 return ntstatus_to_werror(status);
2194 }
2195
2196 r->out.disabled_machine_account = true;
2197 }
2198
2199 /* If disable succeeded or was not requested at all, we
2200 should be getting rid of our end of things */
2201
2202 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2203
2204 return WERR_OK;
2205 }
2206
2207 /****************************************************************
2208 ****************************************************************/
2209
2210 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2211 struct libnet_UnjoinCtx *r)
2212 {
2213 if (!r->in.domain_name) {
2214 libnet_unjoin_set_error_string(mem_ctx, r,
2215 "No domain name defined");
2216 return WERR_INVALID_PARAM;
2217 }
2218
2219 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2220 &r->in.domain_name,
2221 &r->in.dc_name)) {
2222 libnet_unjoin_set_error_string(mem_ctx, r,
2223 "Failed to parse domain name");
2224 return WERR_INVALID_PARAM;
2225 }
2226
2227 if (IS_DC) {
2228 return WERR_SETUP_DOMAIN_CONTROLLER;
2229 }
2230
2231 if (!secrets_init()) {
2232 libnet_unjoin_set_error_string(mem_ctx, r,
2233 "Unable to open secrets database");
2234 return WERR_CAN_NOT_COMPLETE;
2235 }
2236
2237 return WERR_OK;
2238 }
2239
2240 /****************************************************************
2241 ****************************************************************/
2242
2243 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2244 struct libnet_UnjoinCtx *r)
2245 {
2246 saf_delete(r->out.netbios_domain_name);
2247 saf_delete(r->out.dns_domain_name);
2248
2249 return libnet_unjoin_config(r);
2250 }
2251
2252 /****************************************************************
2253 ****************************************************************/
2254
2255 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2256 struct libnet_UnjoinCtx *r)
2257 {
2258 WERROR werr;
2259
2260 if (r->in.debug) {
2261 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2262 }
2263
2264 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2265 if (!W_ERROR_IS_OK(werr)) {
2266 goto done;
2267 }
2268
2269 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2270 werr = libnet_DomainUnjoin(mem_ctx, r);
2271 if (!W_ERROR_IS_OK(werr)) {
2272 libnet_unjoin_config(r);
2273 goto done;
2274 }
2275 }
2276
2277 werr = libnet_unjoin_post_processing(mem_ctx, r);
2278 if (!W_ERROR_IS_OK(werr)) {
2279 goto done;
2280 }
2281
2282 done:
2283 r->out.result = werr;
2284
2285 if (r->in.debug) {
2286 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2287 }
2288
2289 return werr;
2290 }
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