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Merge tag 'samba-4.1.3' into v4-1-test
[Samba.git] / source3 / libnet / libnet_join.c
blob14183853bdcd1b2310f03819e3459d47c1d67d68
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "ads.h"
23 #include "librpc/gen_ndr/ndr_libnet_join.h"
24 #include "libnet/libnet_join.h"
25 #include "libcli/auth/libcli_auth.h"
26 #include "../librpc/gen_ndr/ndr_samr_c.h"
27 #include "rpc_client/init_samr.h"
28 #include "../librpc/gen_ndr/ndr_lsa_c.h"
29 #include "rpc_client/cli_lsarpc.h"
30 #include "../librpc/gen_ndr/ndr_netlogon.h"
31 #include "rpc_client/cli_netlogon.h"
32 #include "lib/smbconf/smbconf.h"
33 #include "lib/smbconf/smbconf_reg.h"
34 #include "../libds/common/flags.h"
35 #include "secrets.h"
36 #include "rpc_client/init_lsa.h"
37 #include "rpc_client/cli_pipe.h"
38 #include "../libcli/security/security.h"
39 #include "passdb.h"
40 #include "libsmb/libsmb.h"
41 #include "../libcli/smb/smbXcli_base.h"
42 #include "lib/param/loadparm.h"
43
44 /****************************************************************
45 ****************************************************************/
46
47 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
48 do { \
49 char *str = NULL; \
50 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
51 DEBUG(1,("libnet_Join:\n%s", str)); \
52 TALLOC_FREE(str); \
53 } while (0)
54
55 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
56 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
57 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
58 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
59
60 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
61 do { \
62 char *str = NULL; \
63 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
64 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
65 TALLOC_FREE(str); \
66 } while (0)
67
68 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
69 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
70 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
71 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
72
73 /****************************************************************
74 ****************************************************************/
75
76 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
77 struct libnet_JoinCtx *r,
78 const char *format, ...)
79 {
80 va_list args;
81
82 if (r->out.error_string) {
83 return;
84 }
85
86 va_start(args, format);
87 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
88 va_end(args);
89 }
90
91 /****************************************************************
92 ****************************************************************/
93
94 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
95 struct libnet_UnjoinCtx *r,
96 const char *format, ...)
97 {
98 va_list args;
99
100 if (r->out.error_string) {
101 return;
102 }
103
104 va_start(args, format);
105 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
106 va_end(args);
107 }
108
109 #ifdef HAVE_ADS
110
111 /****************************************************************
112 ****************************************************************/
113
114 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
115 const char *netbios_domain_name,
116 const char *dc_name,
117 const char *user_name,
118 const char *password,
119 ADS_STRUCT **ads)
120 {
121 ADS_STATUS status;
122 ADS_STRUCT *my_ads = NULL;
123 char *cp;
124
125 my_ads = ads_init(dns_domain_name,
126 netbios_domain_name,
127 dc_name);
128 if (!my_ads) {
129 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
130 }
131
132 if (user_name) {
133 SAFE_FREE(my_ads->auth.user_name);
134 my_ads->auth.user_name = SMB_STRDUP(user_name);
135 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
136 *cp++ = '\0';
137 SAFE_FREE(my_ads->auth.realm);
138 my_ads->auth.realm = smb_xstrdup(cp);
139 if (!strupper_m(my_ads->auth.realm)) {
140 ads_destroy(&my_ads);
141 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
142 }
143 }
144 }
145
146 if (password) {
147 SAFE_FREE(my_ads->auth.password);
148 my_ads->auth.password = SMB_STRDUP(password);
149 }
150
151 status = ads_connect_user_creds(my_ads);
152 if (!ADS_ERR_OK(status)) {
153 ads_destroy(&my_ads);
154 return status;
155 }
156
157 *ads = my_ads;
158 return ADS_SUCCESS;
159 }
160
161 /****************************************************************
162 ****************************************************************/
163
164 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
165 struct libnet_JoinCtx *r)
166 {
167 ADS_STATUS status;
168
169 status = libnet_connect_ads(r->out.dns_domain_name,
170 r->out.netbios_domain_name,
171 r->in.dc_name,
172 r->in.admin_account,
173 r->in.admin_password,
174 &r->in.ads);
175 if (!ADS_ERR_OK(status)) {
176 libnet_join_set_error_string(mem_ctx, r,
177 "failed to connect to AD: %s",
178 ads_errstr(status));
179 return status;
180 }
181
182 if (!r->out.netbios_domain_name) {
183 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
184 r->in.ads->server.workgroup);
185 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
186 }
187
188 if (!r->out.dns_domain_name) {
189 r->out.dns_domain_name = talloc_strdup(mem_ctx,
190 r->in.ads->config.realm);
191 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
192 }
193
194 r->out.domain_is_ad = true;
195
196 return ADS_SUCCESS;
197 }
198
199 /****************************************************************
200 ****************************************************************/
201
202 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
203 struct libnet_UnjoinCtx *r)
204 {
205 ADS_STATUS status;
206
207 status = libnet_connect_ads(r->in.domain_name,
208 r->in.domain_name,
209 r->in.dc_name,
210 r->in.admin_account,
211 r->in.admin_password,
212 &r->in.ads);
213 if (!ADS_ERR_OK(status)) {
214 libnet_unjoin_set_error_string(mem_ctx, r,
215 "failed to connect to AD: %s",
216 ads_errstr(status));
217 }
218
219 return status;
220 }
221
222 /****************************************************************
223 join a domain using ADS (LDAP mods)
224 ****************************************************************/
225
226 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
227 struct libnet_JoinCtx *r)
228 {
229 ADS_STATUS status;
230 LDAPMessage *res = NULL;
231 const char *attrs[] = { "dn", NULL };
232 bool moved = false;
233
234 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
235 if (!ADS_ERR_OK(status)) {
236 return status;
237 }
238
239 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
240 if (!ADS_ERR_OK(status)) {
241 return status;
242 }
243
244 if (ads_count_replies(r->in.ads, res) != 1) {
245 ads_msgfree(r->in.ads, res);
246 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
247 }
248
249 ads_msgfree(r->in.ads, res);
250
251 /* Attempt to create the machine account and bail if this fails.
252 Assume that the admin wants exactly what they requested */
253
254 status = ads_create_machine_acct(r->in.ads,
255 r->in.machine_name,
256 r->in.account_ou);
257
258 if (ADS_ERR_OK(status)) {
259 DEBUG(1,("machine account creation created\n"));
260 return status;
261 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
262 (status.err.rc == LDAP_ALREADY_EXISTS)) {
263 status = ADS_SUCCESS;
264 }
265
266 if (!ADS_ERR_OK(status)) {
267 DEBUG(1,("machine account creation failed\n"));
268 return status;
269 }
270
271 status = ads_move_machine_acct(r->in.ads,
272 r->in.machine_name,
273 r->in.account_ou,
274 &moved);
275 if (!ADS_ERR_OK(status)) {
276 DEBUG(1,("failure to locate/move pre-existing "
277 "machine account\n"));
278 return status;
279 }
280
281 DEBUG(1,("The machine account %s the specified OU.\n",
282 moved ? "was moved into" : "already exists in"));
283
284 return status;
285 }
286
287 /****************************************************************
288 ****************************************************************/
289
290 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
291 struct libnet_UnjoinCtx *r)
292 {
293 ADS_STATUS status;
294
295 if (!r->in.ads) {
296 status = libnet_unjoin_connect_ads(mem_ctx, r);
297 if (!ADS_ERR_OK(status)) {
298 libnet_unjoin_set_error_string(mem_ctx, r,
299 "failed to connect to AD: %s",
300 ads_errstr(status));
301 return status;
302 }
303 }
304
305 status = ads_leave_realm(r->in.ads, r->in.machine_name);
306 if (!ADS_ERR_OK(status)) {
307 libnet_unjoin_set_error_string(mem_ctx, r,
308 "failed to leave realm: %s",
309 ads_errstr(status));
310 return status;
311 }
312
313 return ADS_SUCCESS;
314 }
315
316 /****************************************************************
317 ****************************************************************/
318
319 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
320 struct libnet_JoinCtx *r)
321 {
322 ADS_STATUS status;
323 LDAPMessage *res = NULL;
324 char *dn = NULL;
325
326 if (!r->in.machine_name) {
327 return ADS_ERROR(LDAP_NO_MEMORY);
328 }
329
330 status = ads_find_machine_acct(r->in.ads,
331 &res,
332 r->in.machine_name);
333 if (!ADS_ERR_OK(status)) {
334 return status;
335 }
336
337 if (ads_count_replies(r->in.ads, res) != 1) {
338 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
339 goto done;
340 }
341
342 dn = ads_get_dn(r->in.ads, mem_ctx, res);
343 if (!dn) {
344 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
345 goto done;
346 }
347
348 r->out.dn = talloc_strdup(mem_ctx, dn);
349 if (!r->out.dn) {
350 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
351 goto done;
352 }
353
354 done:
355 ads_msgfree(r->in.ads, res);
356 TALLOC_FREE(dn);
357
358 return status;
359 }
360
361 /****************************************************************
362 Set a machines dNSHostName and servicePrincipalName attributes
363 ****************************************************************/
364
365 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
366 struct libnet_JoinCtx *r)
367 {
368 ADS_STATUS status;
369 ADS_MODLIST mods;
370 fstring my_fqdn;
371 const char *spn_array[3] = {NULL, NULL, NULL};
372 char *spn = NULL;
373
374 /* Find our DN */
375
376 status = libnet_join_find_machine_acct(mem_ctx, r);
377 if (!ADS_ERR_OK(status)) {
378 return status;
379 }
380
381 /* Windows only creates HOST/shortname & HOST/fqdn. */
382
383 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
384 if (!spn) {
385 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
386 }
387 if (!strupper_m(spn)) {
388 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
389 }
390 spn_array[0] = spn;
391
392 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
393 || (strchr(my_fqdn, '.') == NULL)) {
394 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
395 r->out.dns_domain_name);
396 }
397
398 if (!strlower_m(my_fqdn)) {
399 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
400 }
401
402 if (!strequal(my_fqdn, r->in.machine_name)) {
403 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
404 if (!spn) {
405 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
406 }
407 spn_array[1] = spn;
408 }
409
410 mods = ads_init_mods(mem_ctx);
411 if (!mods) {
412 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
413 }
414
415 /* fields of primary importance */
416
417 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
418 if (!ADS_ERR_OK(status)) {
419 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
420 }
421
422 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
423 spn_array);
424 if (!ADS_ERR_OK(status)) {
425 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
426 }
427
428 return ads_gen_mod(r->in.ads, r->out.dn, mods);
429 }
430
431 /****************************************************************
432 ****************************************************************/
433
434 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
435 struct libnet_JoinCtx *r)
436 {
437 ADS_STATUS status;
438 ADS_MODLIST mods;
439
440 if (!r->in.create_upn) {
441 return ADS_SUCCESS;
442 }
443
444 /* Find our DN */
445
446 status = libnet_join_find_machine_acct(mem_ctx, r);
447 if (!ADS_ERR_OK(status)) {
448 return status;
449 }
450
451 if (!r->in.upn) {
452 const char *realm = r->out.dns_domain_name;
453
454 /* in case we are about to generate a keytab during the join
455 * make sure the default upn we create is usable with kinit -k.
456 * gd */
457
458 if (USE_KERBEROS_KEYTAB) {
459 realm = talloc_strdup_upper(mem_ctx,
460 r->out.dns_domain_name);
461 }
462
463 if (!realm) {
464 return ADS_ERROR(LDAP_NO_MEMORY);
465 }
466
467 r->in.upn = talloc_asprintf(mem_ctx,
468 "host/%s@%s",
469 r->in.machine_name,
470 realm);
471 if (!r->in.upn) {
472 return ADS_ERROR(LDAP_NO_MEMORY);
473 }
474 }
475
476 /* now do the mods */
477
478 mods = ads_init_mods(mem_ctx);
479 if (!mods) {
480 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
481 }
482
483 /* fields of primary importance */
484
485 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
486 if (!ADS_ERR_OK(status)) {
487 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
488 }
489
490 return ads_gen_mod(r->in.ads, r->out.dn, mods);
491 }
492
493
494 /****************************************************************
495 ****************************************************************/
496
497 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
498 struct libnet_JoinCtx *r)
499 {
500 ADS_STATUS status;
501 ADS_MODLIST mods;
502 char *os_sp = NULL;
503
504 if (!r->in.os_name || !r->in.os_version ) {
505 return ADS_SUCCESS;
506 }
507
508 /* Find our DN */
509
510 status = libnet_join_find_machine_acct(mem_ctx, r);
511 if (!ADS_ERR_OK(status)) {
512 return status;
513 }
514
515 /* now do the mods */
516
517 mods = ads_init_mods(mem_ctx);
518 if (!mods) {
519 return ADS_ERROR(LDAP_NO_MEMORY);
520 }
521
522 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
523 if (!os_sp) {
524 return ADS_ERROR(LDAP_NO_MEMORY);
525 }
526
527 /* fields of primary importance */
528
529 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
530 r->in.os_name);
531 if (!ADS_ERR_OK(status)) {
532 return status;
533 }
534
535 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
536 r->in.os_version);
537 if (!ADS_ERR_OK(status)) {
538 return status;
539 }
540
541 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
542 os_sp);
543 if (!ADS_ERR_OK(status)) {
544 return status;
545 }
546
547 return ads_gen_mod(r->in.ads, r->out.dn, mods);
548 }
549
550 /****************************************************************
551 ****************************************************************/
552
553 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
554 struct libnet_JoinCtx *r)
555 {
556 if (!USE_SYSTEM_KEYTAB) {
557 return true;
558 }
559
560 if (ads_keytab_create_default(r->in.ads) != 0) {
561 return false;
562 }
563
564 return true;
565 }
566
567 /****************************************************************
568 ****************************************************************/
569
570 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
571 struct libnet_JoinCtx *r)
572 {
573 uint32_t domain_func;
574 ADS_STATUS status;
575 const char *salt = NULL;
576 char *std_salt = NULL;
577
578 status = ads_domain_func_level(r->in.ads, &domain_func);
579 if (!ADS_ERR_OK(status)) {
580 libnet_join_set_error_string(mem_ctx, r,
581 "failed to determine domain functional level: %s",
582 ads_errstr(status));
583 return false;
584 }
585
586 /* go ahead and setup the default salt */
587
588 std_salt = kerberos_standard_des_salt();
589 if (!std_salt) {
590 libnet_join_set_error_string(mem_ctx, r,
591 "failed to obtain standard DES salt");
592 return false;
593 }
594
595 salt = talloc_strdup(mem_ctx, std_salt);
596 if (!salt) {
597 return false;
598 }
599
600 SAFE_FREE(std_salt);
601
602 /* if it's a Windows functional domain, we have to look for the UPN */
603
604 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
605 char *upn;
606
607 upn = ads_get_upn(r->in.ads, mem_ctx,
608 r->in.machine_name);
609 if (upn) {
610 salt = talloc_strdup(mem_ctx, upn);
611 if (!salt) {
612 return false;
613 }
614 }
615 }
616
617 return kerberos_secrets_store_des_salt(salt);
618 }
619
620 /****************************************************************
621 ****************************************************************/
622
623 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
624 struct libnet_JoinCtx *r)
625 {
626 ADS_STATUS status;
627
628 if (!r->in.ads) {
629 status = libnet_join_connect_ads(mem_ctx, r);
630 if (!ADS_ERR_OK(status)) {
631 return status;
632 }
633 }
634
635 status = libnet_join_set_machine_spn(mem_ctx, r);
636 if (!ADS_ERR_OK(status)) {
637 libnet_join_set_error_string(mem_ctx, r,
638 "failed to set machine spn: %s",
639 ads_errstr(status));
640 return status;
641 }
642
643 status = libnet_join_set_os_attributes(mem_ctx, r);
644 if (!ADS_ERR_OK(status)) {
645 libnet_join_set_error_string(mem_ctx, r,
646 "failed to set machine os attributes: %s",
647 ads_errstr(status));
648 return status;
649 }
650
651 status = libnet_join_set_machine_upn(mem_ctx, r);
652 if (!ADS_ERR_OK(status)) {
653 libnet_join_set_error_string(mem_ctx, r,
654 "failed to set machine upn: %s",
655 ads_errstr(status));
656 return status;
657 }
658
659 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
660 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
661 }
662
663 if (!libnet_join_create_keytab(mem_ctx, r)) {
664 libnet_join_set_error_string(mem_ctx, r,
665 "failed to create kerberos keytab");
666 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
667 }
668
669 return ADS_SUCCESS;
670 }
671 #endif /* HAVE_ADS */
672
673 /****************************************************************
674 Store the machine password and domain SID
675 ****************************************************************/
676
677 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
678 struct libnet_JoinCtx *r)
679 {
680 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
681 r->out.domain_sid))
682 {
683 DEBUG(1,("Failed to save domain sid\n"));
684 return false;
685 }
686
687 if (!secrets_store_machine_password(r->in.machine_password,
688 r->out.netbios_domain_name,
689 r->in.secure_channel_type))
690 {
691 DEBUG(1,("Failed to save machine password\n"));
692 return false;
693 }
694
695 return true;
696 }
697
698 /****************************************************************
699 Connect dc's IPC$ share
700 ****************************************************************/
701
702 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
703 const char *user,
704 const char *pass,
705 bool use_kerberos,
706 struct cli_state **cli)
707 {
708 int flags = 0;
709
710 if (use_kerberos) {
711 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
712 }
713
714 if (use_kerberos && pass) {
715 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
716 }
717
718 return cli_full_connection(cli, NULL,
719 dc,
720 NULL, 0,
721 "IPC$", "IPC",
722 user,
723 NULL,
724 pass,
725 flags,
726 SMB_SIGNING_DEFAULT);
727 }
728
729 /****************************************************************
730 Lookup domain dc's info
731 ****************************************************************/
732
733 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
734 struct libnet_JoinCtx *r,
735 struct cli_state **cli)
736 {
737 struct rpc_pipe_client *pipe_hnd = NULL;
738 struct policy_handle lsa_pol;
739 NTSTATUS status, result;
740 union lsa_PolicyInformation *info = NULL;
741 struct dcerpc_binding_handle *b;
742
743 status = libnet_join_connect_dc_ipc(r->in.dc_name,
744 r->in.admin_account,
745 r->in.admin_password,
746 r->in.use_kerberos,
747 cli);
748 if (!NT_STATUS_IS_OK(status)) {
749 goto done;
750 }
751
752 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
753 &pipe_hnd);
754 if (!NT_STATUS_IS_OK(status)) {
755 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
756 nt_errstr(status)));
757 goto done;
758 }
759
760 b = pipe_hnd->binding_handle;
761
762 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
763 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
764 if (!NT_STATUS_IS_OK(status)) {
765 goto done;
766 }
767
768 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
769 &lsa_pol,
770 LSA_POLICY_INFO_DNS,
771 &info,
772 &result);
773 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
774 r->out.domain_is_ad = true;
775 r->out.netbios_domain_name = info->dns.name.string;
776 r->out.dns_domain_name = info->dns.dns_domain.string;
777 r->out.forest_name = info->dns.dns_forest.string;
778 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
779 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
780 }
781
782 if (!NT_STATUS_IS_OK(status)) {
783 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
784 &lsa_pol,
785 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
786 &info,
787 &result);
788 if (!NT_STATUS_IS_OK(status)) {
789 goto done;
790 }
791 if (!NT_STATUS_IS_OK(result)) {
792 status = result;
793 goto done;
794 }
795
796 r->out.netbios_domain_name = info->account_domain.name.string;
797 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
798 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
799 }
800
801 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
802 TALLOC_FREE(pipe_hnd);
803
804 done:
805 return status;
806 }
807
808 /****************************************************************
809 Do the domain join unsecure
810 ****************************************************************/
811
812 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
813 struct libnet_JoinCtx *r,
814 struct cli_state *cli)
815 {
816 struct rpc_pipe_client *pipe_hnd = NULL;
817 unsigned char orig_trust_passwd_hash[16];
818 unsigned char new_trust_passwd_hash[16];
819 fstring trust_passwd;
820 NTSTATUS status;
821
822 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
823 &pipe_hnd);
824 if (!NT_STATUS_IS_OK(status)) {
825 return status;
826 }
827
828 if (!r->in.machine_password) {
829 r->in.machine_password = generate_random_password(mem_ctx,
830 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
831 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
832 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
833 }
834
835 E_md4hash(r->in.machine_password, new_trust_passwd_hash);
836
837 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
838 fstrcpy(trust_passwd, r->in.admin_password);
839 if (!strlower_m(trust_passwd)) {
840 return NT_STATUS_INVALID_PARAMETER;
841 }
842
843 /*
844 * Machine names can be 15 characters, but the max length on
845 * a password is 14. --jerry
846 */
847
848 trust_passwd[14] = '\0';
849
850 E_md4hash(trust_passwd, orig_trust_passwd_hash);
851
852 status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
853 r->in.machine_name,
854 orig_trust_passwd_hash,
855 r->in.machine_password,
856 new_trust_passwd_hash,
857 r->in.secure_channel_type);
858
859 return status;
860 }
861
862 /****************************************************************
863 Do the domain join
864 ****************************************************************/
865
866 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
867 struct libnet_JoinCtx *r,
868 struct cli_state *cli)
869 {
870 struct rpc_pipe_client *pipe_hnd = NULL;
871 struct policy_handle sam_pol, domain_pol, user_pol;
872 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
873 char *acct_name;
874 struct lsa_String lsa_acct_name;
875 uint32_t user_rid;
876 uint32_t acct_flags = ACB_WSTRUST;
877 struct samr_Ids user_rids;
878 struct samr_Ids name_types;
879 union samr_UserInfo user_info;
880 struct dcerpc_binding_handle *b = NULL;
881 unsigned int old_timeout = 0;
882
883 DATA_BLOB session_key = data_blob_null;
884 struct samr_CryptPassword crypt_pwd;
885 struct samr_CryptPasswordEx crypt_pwd_ex;
886
887 ZERO_STRUCT(sam_pol);
888 ZERO_STRUCT(domain_pol);
889 ZERO_STRUCT(user_pol);
890
891 switch (r->in.secure_channel_type) {
892 case SEC_CHAN_WKSTA:
893 acct_flags = ACB_WSTRUST;
894 break;
895 case SEC_CHAN_BDC:
896 acct_flags = ACB_SVRTRUST;
897 break;
898 default:
899 return NT_STATUS_INVALID_PARAMETER;
900 }
901
902 if (!r->in.machine_password) {
903 r->in.machine_password = generate_random_password(mem_ctx,
904 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
905 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
906 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
907 }
908
909 /* Open the domain */
910
911 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
912 &pipe_hnd);
913 if (!NT_STATUS_IS_OK(status)) {
914 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
915 nt_errstr(status)));
916 goto done;
917 }
918
919 b = pipe_hnd->binding_handle;
920
921 status = cli_get_session_key(mem_ctx, pipe_hnd, &session_key);
922 if (!NT_STATUS_IS_OK(status)) {
923 DEBUG(0,("Error getting session_key of SAM pipe. Error was %s\n",
924 nt_errstr(status)));
925 goto done;
926 }
927
928 status = dcerpc_samr_Connect2(b, mem_ctx,
929 pipe_hnd->desthost,
930 SAMR_ACCESS_ENUM_DOMAINS
931 | SAMR_ACCESS_LOOKUP_DOMAIN,
932 &sam_pol,
933 &result);
934 if (!NT_STATUS_IS_OK(status)) {
935 goto done;
936 }
937 if (!NT_STATUS_IS_OK(result)) {
938 status = result;
939 goto done;
940 }
941
942 status = dcerpc_samr_OpenDomain(b, mem_ctx,
943 &sam_pol,
944 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
945 | SAMR_DOMAIN_ACCESS_CREATE_USER
946 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
947 r->out.domain_sid,
948 &domain_pol,
949 &result);
950 if (!NT_STATUS_IS_OK(status)) {
951 goto done;
952 }
953 if (!NT_STATUS_IS_OK(result)) {
954 status = result;
955 goto done;
956 }
957
958 /* Create domain user */
959
960 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
961 if (!strlower_m(acct_name)) {
962 status = NT_STATUS_INVALID_PARAMETER;
963 goto done;
964 }
965
966 init_lsa_String(&lsa_acct_name, acct_name);
967
968 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
969 uint32_t access_desired =
970 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
971 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
972 SAMR_USER_ACCESS_SET_PASSWORD |
973 SAMR_USER_ACCESS_GET_ATTRIBUTES |
974 SAMR_USER_ACCESS_SET_ATTRIBUTES;
975 uint32_t access_granted = 0;
976
977 DEBUG(10,("Creating account with desired access mask: %d\n",
978 access_desired));
979
980 status = dcerpc_samr_CreateUser2(b, mem_ctx,
981 &domain_pol,
982 &lsa_acct_name,
983 acct_flags,
984 access_desired,
985 &user_pol,
986 &access_granted,
987 &user_rid,
988 &result);
989 if (!NT_STATUS_IS_OK(status)) {
990 goto done;
991 }
992
993 status = result;
994 if (!NT_STATUS_IS_OK(status) &&
995 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
996
997 DEBUG(10,("Creation of workstation account failed: %s\n",
998 nt_errstr(status)));
999
1000 /* If NT_STATUS_ACCESS_DENIED then we have a valid
1001 username/password combo but the user does not have
1002 administrator access. */
1003
1004 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
1005 libnet_join_set_error_string(mem_ctx, r,
1006 "User specified does not have "
1007 "administrator privileges");
1008 }
1009
1010 goto done;
1011 }
1012
1013 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1014 if (!(r->in.join_flags &
1015 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
1016 goto done;
1017 }
1018 }
1019
1020 /* We *must* do this.... don't ask... */
1021
1022 if (NT_STATUS_IS_OK(status)) {
1023 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1024 }
1025 }
1026
1027 status = dcerpc_samr_LookupNames(b, mem_ctx,
1028 &domain_pol,
1029 1,
1030 &lsa_acct_name,
1031 &user_rids,
1032 &name_types,
1033 &result);
1034 if (!NT_STATUS_IS_OK(status)) {
1035 goto done;
1036 }
1037 if (!NT_STATUS_IS_OK(result)) {
1038 status = result;
1039 goto done;
1040 }
1041 if (user_rids.count != 1) {
1042 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1043 goto done;
1044 }
1045 if (name_types.count != 1) {
1046 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1047 goto done;
1048 }
1049
1050 if (name_types.ids[0] != SID_NAME_USER) {
1051 DEBUG(0,("%s is not a user account (type=%d)\n",
1052 acct_name, name_types.ids[0]));
1053 status = NT_STATUS_INVALID_WORKSTATION;
1054 goto done;
1055 }
1056
1057 user_rid = user_rids.ids[0];
1058
1059 /* Open handle on user */
1060
1061 status = dcerpc_samr_OpenUser(b, mem_ctx,
1062 &domain_pol,
1063 SEC_FLAG_MAXIMUM_ALLOWED,
1064 user_rid,
1065 &user_pol,
1066 &result);
1067 if (!NT_STATUS_IS_OK(status)) {
1068 goto done;
1069 }
1070 if (!NT_STATUS_IS_OK(result)) {
1071 status = result;
1072 goto done;
1073 }
1074
1075 /* Fill in the additional account flags now */
1076
1077 acct_flags |= ACB_PWNOEXP;
1078
1079 /* Set account flags on machine account */
1080 ZERO_STRUCT(user_info.info16);
1081 user_info.info16.acct_flags = acct_flags;
1082
1083 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1084 &user_pol,
1085 16,
1086 &user_info,
1087 &result);
1088 if (!NT_STATUS_IS_OK(status)) {
1089 dcerpc_samr_DeleteUser(b, mem_ctx,
1090 &user_pol,
1091 &result);
1092
1093 libnet_join_set_error_string(mem_ctx, r,
1094 "Failed to set account flags for machine account (%s)\n",
1095 nt_errstr(status));
1096 goto done;
1097 }
1098
1099 if (!NT_STATUS_IS_OK(result)) {
1100 status = result;
1101
1102 dcerpc_samr_DeleteUser(b, mem_ctx,
1103 &user_pol,
1104 &result);
1105
1106 libnet_join_set_error_string(mem_ctx, r,
1107 "Failed to set account flags for machine account (%s)\n",
1108 nt_errstr(status));
1109 goto done;
1110 }
1111
1112 /* Set password on machine account - first try level 26 */
1113
1114 /*
1115 * increase the timeout as password filter modules on the DC
1116 * might delay the operation for a significant amount of time
1117 */
1118 old_timeout = rpccli_set_timeout(pipe_hnd, 600000);
1119
1120 init_samr_CryptPasswordEx(r->in.machine_password,
1121 &session_key,
1122 &crypt_pwd_ex);
1123
1124 user_info.info26.password = crypt_pwd_ex;
1125 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1126
1127 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1128 &user_pol,
1129 26,
1130 &user_info,
1131 &result);
1132
1133 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
1134
1135 /* retry with level 24 */
1136
1137 init_samr_CryptPassword(r->in.machine_password,
1138 &session_key,
1139 &crypt_pwd);
1140
1141 user_info.info24.password = crypt_pwd;
1142 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1143
1144 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1145 &user_pol,
1146 24,
1147 &user_info,
1148 &result);
1149 }
1150
1151 old_timeout = rpccli_set_timeout(pipe_hnd, old_timeout);
1152
1153 if (!NT_STATUS_IS_OK(status)) {
1154
1155 dcerpc_samr_DeleteUser(b, mem_ctx,
1156 &user_pol,
1157 &result);
1158
1159 libnet_join_set_error_string(mem_ctx, r,
1160 "Failed to set password for machine account (%s)\n",
1161 nt_errstr(status));
1162 goto done;
1163 }
1164 if (!NT_STATUS_IS_OK(result)) {
1165 status = result;
1166
1167 dcerpc_samr_DeleteUser(b, mem_ctx,
1168 &user_pol,
1169 &result);
1170
1171 libnet_join_set_error_string(mem_ctx, r,
1172 "Failed to set password for machine account (%s)\n",
1173 nt_errstr(status));
1174 goto done;
1175 }
1176
1177 status = NT_STATUS_OK;
1178
1179 done:
1180 if (!pipe_hnd) {
1181 return status;
1182 }
1183
1184 data_blob_clear_free(&session_key);
1185
1186 if (is_valid_policy_hnd(&sam_pol)) {
1187 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1188 }
1189 if (is_valid_policy_hnd(&domain_pol)) {
1190 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1191 }
1192 if (is_valid_policy_hnd(&user_pol)) {
1193 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1194 }
1195 TALLOC_FREE(pipe_hnd);
1196
1197 return status;
1198 }
1199
1200 /****************************************************************
1201 ****************************************************************/
1202
1203 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1204 const char *machine_name,
1205 const char *dc_name,
1206 const bool use_kerberos)
1207 {
1208 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1209 struct cli_state *cli = NULL;
1210 struct rpc_pipe_client *pipe_hnd = NULL;
1211 struct rpc_pipe_client *netlogon_pipe = NULL;
1212 NTSTATUS status;
1213 char *machine_password = NULL;
1214 char *machine_account = NULL;
1215 int flags = 0;
1216
1217 if (!dc_name) {
1218 return NT_STATUS_INVALID_PARAMETER;
1219 }
1220
1221 if (!secrets_init()) {
1222 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1223 }
1224
1225 machine_password = secrets_fetch_machine_password(netbios_domain_name,
1226 NULL, NULL);
1227 if (!machine_password) {
1228 return NT_STATUS_NO_TRUST_LSA_SECRET;
1229 }
1230
1231 if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1232 SAFE_FREE(machine_password);
1233 return NT_STATUS_NO_MEMORY;
1234 }
1235
1236 if (use_kerberos) {
1237 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
1238 }
1239
1240 status = cli_full_connection(&cli, NULL,
1241 dc_name,
1242 NULL, 0,
1243 "IPC$", "IPC",
1244 machine_account,
1245 NULL,
1246 machine_password,
1247 flags,
1248 SMB_SIGNING_DEFAULT);
1249 free(machine_account);
1250 free(machine_password);
1251
1252 if (!NT_STATUS_IS_OK(status)) {
1253 status = cli_full_connection(&cli, NULL,
1254 dc_name,
1255 NULL, 0,
1256 "IPC$", "IPC",
1257 "",
1258 NULL,
1259 "",
1260 0,
1261 SMB_SIGNING_DEFAULT);
1262 }
1263
1264 if (!NT_STATUS_IS_OK(status)) {
1265 return status;
1266 }
1267
1268 status = get_schannel_session_key(cli, netbios_domain_name,
1269 &neg_flags, &netlogon_pipe);
1270 if (!NT_STATUS_IS_OK(status)) {
1271 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1272 cli_shutdown(cli);
1273 return NT_STATUS_OK;
1274 }
1275
1276 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1277 "key from server %s for domain %s. Error was %s\n",
1278 smbXcli_conn_remote_name(cli->conn),
1279 netbios_domain_name, nt_errstr(status)));
1280 cli_shutdown(cli);
1281 return status;
1282 }
1283
1284 if (!lp_client_schannel()) {
1285 cli_shutdown(cli);
1286 return NT_STATUS_OK;
1287 }
1288
1289 status = cli_rpc_pipe_open_schannel_with_key(
1290 cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1291 DCERPC_AUTH_LEVEL_PRIVACY,
1292 netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1293
1294 cli_shutdown(cli);
1295
1296 if (!NT_STATUS_IS_OK(status)) {
1297 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1298 "on netlogon pipe to server %s for domain %s. "
1299 "Error was %s\n",
1300 smbXcli_conn_remote_name(cli->conn),
1301 netbios_domain_name, nt_errstr(status)));
1302 return status;
1303 }
1304
1305 return NT_STATUS_OK;
1306 }
1307
1308 /****************************************************************
1309 ****************************************************************/
1310
1311 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1312 struct libnet_JoinCtx *r)
1313 {
1314 NTSTATUS status;
1315
1316 status = libnet_join_ok(r->out.netbios_domain_name,
1317 r->in.machine_name,
1318 r->in.dc_name,
1319 r->in.use_kerberos);
1320 if (!NT_STATUS_IS_OK(status)) {
1321 libnet_join_set_error_string(mem_ctx, r,
1322 "failed to verify domain membership after joining: %s",
1323 get_friendly_nt_error_msg(status));
1324 return WERR_SETUP_NOT_JOINED;
1325 }
1326
1327 return WERR_OK;
1328 }
1329
1330 /****************************************************************
1331 ****************************************************************/
1332
1333 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1334 struct libnet_UnjoinCtx *r)
1335 {
1336 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1337 return false;
1338 }
1339
1340 if (!secrets_delete_domain_sid(lp_workgroup())) {
1341 return false;
1342 }
1343
1344 return true;
1345 }
1346
1347 /****************************************************************
1348 ****************************************************************/
1349
1350 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1351 struct libnet_UnjoinCtx *r)
1352 {
1353 struct cli_state *cli = NULL;
1354 struct rpc_pipe_client *pipe_hnd = NULL;
1355 struct policy_handle sam_pol, domain_pol, user_pol;
1356 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1357 char *acct_name;
1358 uint32_t user_rid;
1359 struct lsa_String lsa_acct_name;
1360 struct samr_Ids user_rids;
1361 struct samr_Ids name_types;
1362 union samr_UserInfo *info = NULL;
1363 struct dcerpc_binding_handle *b = NULL;
1364
1365 ZERO_STRUCT(sam_pol);
1366 ZERO_STRUCT(domain_pol);
1367 ZERO_STRUCT(user_pol);
1368
1369 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1370 r->in.admin_account,
1371 r->in.admin_password,
1372 r->in.use_kerberos,
1373 &cli);
1374 if (!NT_STATUS_IS_OK(status)) {
1375 goto done;
1376 }
1377
1378 /* Open the domain */
1379
1380 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1381 &pipe_hnd);
1382 if (!NT_STATUS_IS_OK(status)) {
1383 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1384 nt_errstr(status)));
1385 goto done;
1386 }
1387
1388 b = pipe_hnd->binding_handle;
1389
1390 status = dcerpc_samr_Connect2(b, mem_ctx,
1391 pipe_hnd->desthost,
1392 SEC_FLAG_MAXIMUM_ALLOWED,
1393 &sam_pol,
1394 &result);
1395 if (!NT_STATUS_IS_OK(status)) {
1396 goto done;
1397 }
1398 if (!NT_STATUS_IS_OK(result)) {
1399 status = result;
1400 goto done;
1401 }
1402
1403 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1404 &sam_pol,
1405 SEC_FLAG_MAXIMUM_ALLOWED,
1406 r->in.domain_sid,
1407 &domain_pol,
1408 &result);
1409 if (!NT_STATUS_IS_OK(status)) {
1410 goto done;
1411 }
1412 if (!NT_STATUS_IS_OK(result)) {
1413 status = result;
1414 goto done;
1415 }
1416
1417 /* Create domain user */
1418
1419 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1420 if (!strlower_m(acct_name)) {
1421 status = NT_STATUS_INVALID_PARAMETER;
1422 goto done;
1423 }
1424
1425 init_lsa_String(&lsa_acct_name, acct_name);
1426
1427 status = dcerpc_samr_LookupNames(b, mem_ctx,
1428 &domain_pol,
1429 1,
1430 &lsa_acct_name,
1431 &user_rids,
1432 &name_types,
1433 &result);
1434
1435 if (!NT_STATUS_IS_OK(status)) {
1436 goto done;
1437 }
1438 if (!NT_STATUS_IS_OK(result)) {
1439 status = result;
1440 goto done;
1441 }
1442 if (user_rids.count != 1) {
1443 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1444 goto done;
1445 }
1446 if (name_types.count != 1) {
1447 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1448 goto done;
1449 }
1450
1451 if (name_types.ids[0] != SID_NAME_USER) {
1452 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1453 name_types.ids[0]));
1454 status = NT_STATUS_INVALID_WORKSTATION;
1455 goto done;
1456 }
1457
1458 user_rid = user_rids.ids[0];
1459
1460 /* Open handle on user */
1461
1462 status = dcerpc_samr_OpenUser(b, mem_ctx,
1463 &domain_pol,
1464 SEC_FLAG_MAXIMUM_ALLOWED,
1465 user_rid,
1466 &user_pol,
1467 &result);
1468 if (!NT_STATUS_IS_OK(status)) {
1469 goto done;
1470 }
1471 if (!NT_STATUS_IS_OK(result)) {
1472 status = result;
1473 goto done;
1474 }
1475
1476 /* Get user info */
1477
1478 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1479 &user_pol,
1480 16,
1481 &info,
1482 &result);
1483 if (!NT_STATUS_IS_OK(status)) {
1484 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1485 goto done;
1486 }
1487 if (!NT_STATUS_IS_OK(result)) {
1488 status = result;
1489 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1490 goto done;
1491 }
1492
1493 /* now disable and setuser info */
1494
1495 info->info16.acct_flags |= ACB_DISABLED;
1496
1497 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1498 &user_pol,
1499 16,
1500 info,
1501 &result);
1502 if (!NT_STATUS_IS_OK(status)) {
1503 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1504 goto done;
1505 }
1506 if (!NT_STATUS_IS_OK(result)) {
1507 status = result;
1508 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1509 goto done;
1510 }
1511 status = result;
1512 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1513
1514 done:
1515 if (pipe_hnd && b) {
1516 if (is_valid_policy_hnd(&domain_pol)) {
1517 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1518 }
1519 if (is_valid_policy_hnd(&sam_pol)) {
1520 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1521 }
1522 TALLOC_FREE(pipe_hnd);
1523 }
1524
1525 if (cli) {
1526 cli_shutdown(cli);
1527 }
1528
1529 return status;
1530 }
1531
1532 /****************************************************************
1533 ****************************************************************/
1534
1535 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1536 {
1537 WERROR werr = WERR_OK;
1538 sbcErr err;
1539 struct smbconf_ctx *ctx;
1540
1541 err = smbconf_init_reg(r, &ctx, NULL);
1542 if (!SBC_ERROR_IS_OK(err)) {
1543 werr = WERR_NO_SUCH_SERVICE;
1544 goto done;
1545 }
1546
1547 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1548
1549 err = smbconf_set_global_parameter(ctx, "security", "user");
1550 if (!SBC_ERROR_IS_OK(err)) {
1551 werr = WERR_NO_SUCH_SERVICE;
1552 goto done;
1553 }
1554
1555 err = smbconf_set_global_parameter(ctx, "workgroup",
1556 r->in.domain_name);
1557 if (!SBC_ERROR_IS_OK(err)) {
1558 werr = WERR_NO_SUCH_SERVICE;
1559 goto done;
1560 }
1561
1562 smbconf_delete_global_parameter(ctx, "realm");
1563 goto done;
1564 }
1565
1566 err = smbconf_set_global_parameter(ctx, "security", "domain");
1567 if (!SBC_ERROR_IS_OK(err)) {
1568 werr = WERR_NO_SUCH_SERVICE;
1569 goto done;
1570 }
1571
1572 err = smbconf_set_global_parameter(ctx, "workgroup",
1573 r->out.netbios_domain_name);
1574 if (!SBC_ERROR_IS_OK(err)) {
1575 werr = WERR_NO_SUCH_SERVICE;
1576 goto done;
1577 }
1578
1579 if (r->out.domain_is_ad) {
1580 err = smbconf_set_global_parameter(ctx, "security", "ads");
1581 if (!SBC_ERROR_IS_OK(err)) {
1582 werr = WERR_NO_SUCH_SERVICE;
1583 goto done;
1584 }
1585
1586 err = smbconf_set_global_parameter(ctx, "realm",
1587 r->out.dns_domain_name);
1588 if (!SBC_ERROR_IS_OK(err)) {
1589 werr = WERR_NO_SUCH_SERVICE;
1590 goto done;
1591 }
1592 }
1593
1594 done:
1595 smbconf_shutdown(ctx);
1596 return werr;
1597 }
1598
1599 /****************************************************************
1600 ****************************************************************/
1601
1602 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1603 {
1604 WERROR werr = WERR_OK;
1605 sbcErr err;
1606 struct smbconf_ctx *ctx;
1607
1608 err = smbconf_init_reg(r, &ctx, NULL);
1609 if (!SBC_ERROR_IS_OK(err)) {
1610 werr = WERR_NO_SUCH_SERVICE;
1611 goto done;
1612 }
1613
1614 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1615
1616 err = smbconf_set_global_parameter(ctx, "security", "user");
1617 if (!SBC_ERROR_IS_OK(err)) {
1618 werr = WERR_NO_SUCH_SERVICE;
1619 goto done;
1620 }
1621
1622 err = smbconf_delete_global_parameter(ctx, "workgroup");
1623 if (!SBC_ERROR_IS_OK(err)) {
1624 werr = WERR_NO_SUCH_SERVICE;
1625 goto done;
1626 }
1627
1628 smbconf_delete_global_parameter(ctx, "realm");
1629 }
1630
1631 done:
1632 smbconf_shutdown(ctx);
1633 return werr;
1634 }
1635
1636 /****************************************************************
1637 ****************************************************************/
1638
1639 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1640 {
1641 WERROR werr;
1642
1643 if (!W_ERROR_IS_OK(r->out.result)) {
1644 return r->out.result;
1645 }
1646
1647 if (!r->in.modify_config) {
1648 return WERR_OK;
1649 }
1650
1651 werr = do_join_modify_vals_config(r);
1652 if (!W_ERROR_IS_OK(werr)) {
1653 return werr;
1654 }
1655
1656 lp_load_global(get_dyn_CONFIGFILE());
1657
1658 r->out.modified_config = true;
1659 r->out.result = werr;
1660
1661 return werr;
1662 }
1663
1664 /****************************************************************
1665 ****************************************************************/
1666
1667 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1668 {
1669 WERROR werr;
1670
1671 if (!W_ERROR_IS_OK(r->out.result)) {
1672 return r->out.result;
1673 }
1674
1675 if (!r->in.modify_config) {
1676 return WERR_OK;
1677 }
1678
1679 werr = do_unjoin_modify_vals_config(r);
1680 if (!W_ERROR_IS_OK(werr)) {
1681 return werr;
1682 }
1683
1684 lp_load_global(get_dyn_CONFIGFILE());
1685
1686 r->out.modified_config = true;
1687 r->out.result = werr;
1688
1689 return werr;
1690 }
1691
1692 /****************************************************************
1693 ****************************************************************/
1694
1695 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1696 const char *domain_str,
1697 const char **domain_p,
1698 const char **dc_p)
1699 {
1700 char *domain = NULL;
1701 char *dc = NULL;
1702 const char *p = NULL;
1703
1704 if (!domain_str || !domain_p || !dc_p) {
1705 return false;
1706 }
1707
1708 p = strchr_m(domain_str, '\\');
1709
1710 if (p != NULL) {
1711 domain = talloc_strndup(mem_ctx, domain_str,
1712 PTR_DIFF(p, domain_str));
1713 dc = talloc_strdup(mem_ctx, p+1);
1714 if (!dc) {
1715 return false;
1716 }
1717 } else {
1718 domain = talloc_strdup(mem_ctx, domain_str);
1719 dc = NULL;
1720 }
1721 if (!domain) {
1722 return false;
1723 }
1724
1725 *domain_p = domain;
1726
1727 if (!*dc_p && dc) {
1728 *dc_p = dc;
1729 }
1730
1731 return true;
1732 }
1733
1734 /****************************************************************
1735 ****************************************************************/
1736
1737 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1738 struct libnet_JoinCtx *r)
1739 {
1740 if (!r->in.domain_name) {
1741 libnet_join_set_error_string(mem_ctx, r,
1742 "No domain name defined");
1743 return WERR_INVALID_PARAM;
1744 }
1745
1746 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1747 &r->in.domain_name,
1748 &r->in.dc_name)) {
1749 libnet_join_set_error_string(mem_ctx, r,
1750 "Failed to parse domain name");
1751 return WERR_INVALID_PARAM;
1752 }
1753
1754 if (IS_DC) {
1755 return WERR_SETUP_DOMAIN_CONTROLLER;
1756 }
1757
1758 if (!secrets_init()) {
1759 libnet_join_set_error_string(mem_ctx, r,
1760 "Unable to open secrets database");
1761 return WERR_CAN_NOT_COMPLETE;
1762 }
1763
1764 return WERR_OK;
1765 }
1766
1767 /****************************************************************
1768 ****************************************************************/
1769
1770 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1771 {
1772 NTSTATUS status;
1773
1774 /* Try adding dom admins to builtin\admins. Only log failures. */
1775 status = create_builtin_administrators(domain_sid);
1776 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1777 DEBUG(10,("Unable to auto-add domain administrators to "
1778 "BUILTIN\\Administrators during join because "
1779 "winbindd must be running.\n"));
1780 } else if (!NT_STATUS_IS_OK(status)) {
1781 DEBUG(5, ("Failed to auto-add domain administrators to "
1782 "BUILTIN\\Administrators during join: %s\n",
1783 nt_errstr(status)));
1784 }
1785
1786 /* Try adding dom users to builtin\users. Only log failures. */
1787 status = create_builtin_users(domain_sid);
1788 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1789 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1790 "during join because winbindd must be running.\n"));
1791 } else if (!NT_STATUS_IS_OK(status)) {
1792 DEBUG(5, ("Failed to auto-add domain administrators to "
1793 "BUILTIN\\Administrators during join: %s\n",
1794 nt_errstr(status)));
1795 }
1796 }
1797
1798 /****************************************************************
1799 ****************************************************************/
1800
1801 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1802 struct libnet_JoinCtx *r)
1803 {
1804 WERROR werr;
1805
1806 if (!W_ERROR_IS_OK(r->out.result)) {
1807 return r->out.result;
1808 }
1809
1810 werr = do_JoinConfig(r);
1811 if (!W_ERROR_IS_OK(werr)) {
1812 return werr;
1813 }
1814
1815 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1816 return WERR_OK;
1817 }
1818
1819 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1820 if (r->out.dns_domain_name) {
1821 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1822 }
1823
1824 #ifdef HAVE_ADS
1825 if (r->out.domain_is_ad &&
1826 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1827 ADS_STATUS ads_status;
1828
1829 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1830 if (!ADS_ERR_OK(ads_status)) {
1831 return WERR_GENERAL_FAILURE;
1832 }
1833 }
1834 #endif /* HAVE_ADS */
1835
1836 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1837
1838 return WERR_OK;
1839 }
1840
1841 /****************************************************************
1842 ****************************************************************/
1843
1844 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1845 {
1846 if (r->in.ads) {
1847 ads_destroy(&r->in.ads);
1848 }
1849
1850 return 0;
1851 }
1852
1853 /****************************************************************
1854 ****************************************************************/
1855
1856 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1857 {
1858 if (r->in.ads) {
1859 ads_destroy(&r->in.ads);
1860 }
1861
1862 return 0;
1863 }
1864
1865 /****************************************************************
1866 ****************************************************************/
1867
1868 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1869 struct libnet_JoinCtx **r)
1870 {
1871 struct libnet_JoinCtx *ctx;
1872
1873 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1874 if (!ctx) {
1875 return WERR_NOMEM;
1876 }
1877
1878 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1879
1880 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1881 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1882
1883 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1884
1885 *r = ctx;
1886
1887 return WERR_OK;
1888 }
1889
1890 /****************************************************************
1891 ****************************************************************/
1892
1893 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1894 struct libnet_UnjoinCtx **r)
1895 {
1896 struct libnet_UnjoinCtx *ctx;
1897
1898 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1899 if (!ctx) {
1900 return WERR_NOMEM;
1901 }
1902
1903 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1904
1905 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1906 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1907
1908 *r = ctx;
1909
1910 return WERR_OK;
1911 }
1912
1913 /****************************************************************
1914 ****************************************************************/
1915
1916 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1917 struct libnet_JoinCtx *r)
1918 {
1919 bool valid_security = false;
1920 bool valid_workgroup = false;
1921 bool valid_realm = false;
1922
1923 /* check if configuration is already set correctly */
1924
1925 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1926
1927 switch (r->out.domain_is_ad) {
1928 case false:
1929 valid_security = (lp_security() == SEC_DOMAIN);
1930 if (valid_workgroup && valid_security) {
1931 /* nothing to be done */
1932 return WERR_OK;
1933 }
1934 break;
1935 case true:
1936 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1937 switch (lp_security()) {
1938 case SEC_DOMAIN:
1939 case SEC_ADS:
1940 valid_security = true;
1941 }
1942
1943 if (valid_workgroup && valid_realm && valid_security) {
1944 /* nothing to be done */
1945 return WERR_OK;
1946 }
1947 break;
1948 }
1949
1950 /* check if we are supposed to manipulate configuration */
1951
1952 if (!r->in.modify_config) {
1953
1954 char *wrong_conf = talloc_strdup(mem_ctx, "");
1955
1956 if (!valid_workgroup) {
1957 wrong_conf = talloc_asprintf_append(wrong_conf,
1958 "\"workgroup\" set to '%s', should be '%s'",
1959 lp_workgroup(), r->out.netbios_domain_name);
1960 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1961 }
1962
1963 if (!valid_realm) {
1964 wrong_conf = talloc_asprintf_append(wrong_conf,
1965 "\"realm\" set to '%s', should be '%s'",
1966 lp_realm(), r->out.dns_domain_name);
1967 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1968 }
1969
1970 if (!valid_security) {
1971 const char *sec = NULL;
1972 switch (lp_security()) {
1973 case SEC_USER: sec = "user"; break;
1974 case SEC_DOMAIN: sec = "domain"; break;
1975 case SEC_ADS: sec = "ads"; break;
1976 }
1977 wrong_conf = talloc_asprintf_append(wrong_conf,
1978 "\"security\" set to '%s', should be %s",
1979 sec, r->out.domain_is_ad ?
1980 "either 'domain' or 'ads'" : "'domain'");
1981 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1982 }
1983
1984 libnet_join_set_error_string(mem_ctx, r,
1985 "Invalid configuration (%s) and configuration modification "
1986 "was not requested", wrong_conf);
1987 return WERR_CAN_NOT_COMPLETE;
1988 }
1989
1990 /* check if we are able to manipulate configuration */
1991
1992 if (!lp_config_backend_is_registry()) {
1993 libnet_join_set_error_string(mem_ctx, r,
1994 "Configuration manipulation requested but not "
1995 "supported by backend");
1996 return WERR_NOT_SUPPORTED;
1997 }
1998
1999 return WERR_OK;
2000 }
2001
2002 /****************************************************************
2003 ****************************************************************/
2004
2005 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
2006 struct libnet_JoinCtx *r)
2007 {
2008 NTSTATUS status;
2009 WERROR werr;
2010 struct cli_state *cli = NULL;
2011 #ifdef HAVE_ADS
2012 ADS_STATUS ads_status;
2013 #endif /* HAVE_ADS */
2014
2015 if (!r->in.dc_name) {
2016 struct netr_DsRGetDCNameInfo *info;
2017 const char *dc;
2018 status = dsgetdcname(mem_ctx,
2019 r->in.msg_ctx,
2020 r->in.domain_name,
2021 NULL,
2022 NULL,
2023 DS_FORCE_REDISCOVERY |
2024 DS_DIRECTORY_SERVICE_REQUIRED |
2025 DS_WRITABLE_REQUIRED |
2026 DS_RETURN_DNS_NAME,
2027 &info);
2028 if (!NT_STATUS_IS_OK(status)) {
2029 libnet_join_set_error_string(mem_ctx, r,
2030 "failed to find DC for domain %s",
2031 r->in.domain_name,
2032 get_friendly_nt_error_msg(status));
2033 return WERR_DCNOTFOUND;
2034 }
2035
2036 dc = strip_hostname(info->dc_unc);
2037 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2038 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2039 }
2040
2041 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
2042 if (!NT_STATUS_IS_OK(status)) {
2043 libnet_join_set_error_string(mem_ctx, r,
2044 "failed to lookup DC info for domain '%s' over rpc: %s",
2045 r->in.domain_name, get_friendly_nt_error_msg(status));
2046 return ntstatus_to_werror(status);
2047 }
2048
2049 werr = libnet_join_check_config(mem_ctx, r);
2050 if (!W_ERROR_IS_OK(werr)) {
2051 goto done;
2052 }
2053
2054 #ifdef HAVE_ADS
2055
2056 create_local_private_krb5_conf_for_domain(
2057 r->out.dns_domain_name, r->out.netbios_domain_name,
2058 NULL, smbXcli_conn_remote_sockaddr(cli->conn),
2059 smbXcli_conn_remote_name(cli->conn));
2060
2061 if (r->out.domain_is_ad && r->in.account_ou &&
2062 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2063
2064 ads_status = libnet_join_connect_ads(mem_ctx, r);
2065 if (!ADS_ERR_OK(ads_status)) {
2066 return WERR_DEFAULT_JOIN_REQUIRED;
2067 }
2068
2069 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
2070 if (!ADS_ERR_OK(ads_status)) {
2071 libnet_join_set_error_string(mem_ctx, r,
2072 "failed to precreate account in ou %s: %s",
2073 r->in.account_ou,
2074 ads_errstr(ads_status));
2075 return WERR_DEFAULT_JOIN_REQUIRED;
2076 }
2077
2078 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2079 }
2080 #endif /* HAVE_ADS */
2081
2082 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2083 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2084 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2085 } else {
2086 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2087 }
2088 if (!NT_STATUS_IS_OK(status)) {
2089 libnet_join_set_error_string(mem_ctx, r,
2090 "failed to join domain '%s' over rpc: %s",
2091 r->in.domain_name, get_friendly_nt_error_msg(status));
2092 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2093 return WERR_SETUP_ALREADY_JOINED;
2094 }
2095 werr = ntstatus_to_werror(status);
2096 goto done;
2097 }
2098
2099 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2100 werr = WERR_SETUP_NOT_JOINED;
2101 goto done;
2102 }
2103
2104 werr = WERR_OK;
2105
2106 done:
2107 if (cli) {
2108 cli_shutdown(cli);
2109 }
2110
2111 return werr;
2112 }
2113
2114 /****************************************************************
2115 ****************************************************************/
2116
2117 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2118 struct libnet_JoinCtx *r)
2119 {
2120 WERROR werr;
2121 struct libnet_UnjoinCtx *u = NULL;
2122
2123 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2124 if (!W_ERROR_IS_OK(werr)) {
2125 return werr;
2126 }
2127
2128 u->in.debug = r->in.debug;
2129 u->in.dc_name = r->in.dc_name;
2130 u->in.domain_name = r->in.domain_name;
2131 u->in.admin_account = r->in.admin_account;
2132 u->in.admin_password = r->in.admin_password;
2133 u->in.modify_config = r->in.modify_config;
2134 u->in.use_kerberos = r->in.use_kerberos;
2135 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2136 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2137
2138 werr = libnet_Unjoin(mem_ctx, u);
2139 TALLOC_FREE(u);
2140
2141 return werr;
2142 }
2143
2144 /****************************************************************
2145 ****************************************************************/
2146
2147 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2148 struct libnet_JoinCtx *r)
2149 {
2150 WERROR werr;
2151
2152 if (r->in.debug) {
2153 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2154 }
2155
2156 ZERO_STRUCT(r->out);
2157
2158 werr = libnet_join_pre_processing(mem_ctx, r);
2159 if (!W_ERROR_IS_OK(werr)) {
2160 goto done;
2161 }
2162
2163 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2164 werr = libnet_DomainJoin(mem_ctx, r);
2165 if (!W_ERROR_IS_OK(werr)) {
2166 goto done;
2167 }
2168 }
2169
2170 werr = libnet_join_post_processing(mem_ctx, r);
2171 if (!W_ERROR_IS_OK(werr)) {
2172 goto done;
2173 }
2174
2175 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2176 werr = libnet_join_post_verify(mem_ctx, r);
2177 if (!W_ERROR_IS_OK(werr)) {
2178 libnet_join_rollback(mem_ctx, r);
2179 }
2180 }
2181
2182 done:
2183 r->out.result = werr;
2184
2185 if (r->in.debug) {
2186 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2187 }
2188 return werr;
2189 }
2190
2191 /****************************************************************
2192 ****************************************************************/
2193
2194 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2195 struct libnet_UnjoinCtx *r)
2196 {
2197 NTSTATUS status;
2198
2199 if (!r->in.domain_sid) {
2200 struct dom_sid sid;
2201 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2202 libnet_unjoin_set_error_string(mem_ctx, r,
2203 "Unable to fetch domain sid: are we joined?");
2204 return WERR_SETUP_NOT_JOINED;
2205 }
2206 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2207 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2208 }
2209
2210 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2211 !r->in.delete_machine_account) {
2212 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2213 return WERR_OK;
2214 }
2215
2216 if (!r->in.dc_name) {
2217 struct netr_DsRGetDCNameInfo *info;
2218 const char *dc;
2219 status = dsgetdcname(mem_ctx,
2220 r->in.msg_ctx,
2221 r->in.domain_name,
2222 NULL,
2223 NULL,
2224 DS_DIRECTORY_SERVICE_REQUIRED |
2225 DS_WRITABLE_REQUIRED |
2226 DS_RETURN_DNS_NAME,
2227 &info);
2228 if (!NT_STATUS_IS_OK(status)) {
2229 libnet_unjoin_set_error_string(mem_ctx, r,
2230 "failed to find DC for domain %s",
2231 r->in.domain_name,
2232 get_friendly_nt_error_msg(status));
2233 return WERR_DCNOTFOUND;
2234 }
2235
2236 dc = strip_hostname(info->dc_unc);
2237 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2238 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2239 }
2240
2241 #ifdef HAVE_ADS
2242 /* for net ads leave, try to delete the account. If it works,
2243 no sense in disabling. If it fails, we can still try to
2244 disable it. jmcd */
2245
2246 if (r->in.delete_machine_account) {
2247 ADS_STATUS ads_status;
2248 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2249 if (ADS_ERR_OK(ads_status)) {
2250 /* dirty hack */
2251 r->out.dns_domain_name =
2252 talloc_strdup(mem_ctx,
2253 r->in.ads->server.realm);
2254 ads_status =
2255 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2256 }
2257 if (!ADS_ERR_OK(ads_status)) {
2258 libnet_unjoin_set_error_string(mem_ctx, r,
2259 "failed to remove machine account from AD: %s",
2260 ads_errstr(ads_status));
2261 } else {
2262 r->out.deleted_machine_account = true;
2263 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2264 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2265 return WERR_OK;
2266 }
2267 }
2268 #endif /* HAVE_ADS */
2269
2270 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2271 "disable". */
2272 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2273 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2274 if (!NT_STATUS_IS_OK(status)) {
2275 libnet_unjoin_set_error_string(mem_ctx, r,
2276 "failed to disable machine account via rpc: %s",
2277 get_friendly_nt_error_msg(status));
2278 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2279 return WERR_SETUP_NOT_JOINED;
2280 }
2281 return ntstatus_to_werror(status);
2282 }
2283
2284 r->out.disabled_machine_account = true;
2285 }
2286
2287 /* If disable succeeded or was not requested at all, we
2288 should be getting rid of our end of things */
2289
2290 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2291
2292 return WERR_OK;
2293 }
2294
2295 /****************************************************************
2296 ****************************************************************/
2297
2298 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2299 struct libnet_UnjoinCtx *r)
2300 {
2301 if (!r->in.domain_name) {
2302 libnet_unjoin_set_error_string(mem_ctx, r,
2303 "No domain name defined");
2304 return WERR_INVALID_PARAM;
2305 }
2306
2307 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2308 &r->in.domain_name,
2309 &r->in.dc_name)) {
2310 libnet_unjoin_set_error_string(mem_ctx, r,
2311 "Failed to parse domain name");
2312 return WERR_INVALID_PARAM;
2313 }
2314
2315 if (IS_DC) {
2316 return WERR_SETUP_DOMAIN_CONTROLLER;
2317 }
2318
2319 if (!secrets_init()) {
2320 libnet_unjoin_set_error_string(mem_ctx, r,
2321 "Unable to open secrets database");
2322 return WERR_CAN_NOT_COMPLETE;
2323 }
2324
2325 return WERR_OK;
2326 }
2327
2328 /****************************************************************
2329 ****************************************************************/
2330
2331 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2332 struct libnet_UnjoinCtx *r)
2333 {
2334 saf_delete(r->out.netbios_domain_name);
2335 saf_delete(r->out.dns_domain_name);
2336
2337 return libnet_unjoin_config(r);
2338 }
2339
2340 /****************************************************************
2341 ****************************************************************/
2342
2343 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2344 struct libnet_UnjoinCtx *r)
2345 {
2346 WERROR werr;
2347
2348 if (r->in.debug) {
2349 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2350 }
2351
2352 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2353 if (!W_ERROR_IS_OK(werr)) {
2354 goto done;
2355 }
2356
2357 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2358 werr = libnet_DomainUnjoin(mem_ctx, r);
2359 if (!W_ERROR_IS_OK(werr)) {
2360 libnet_unjoin_config(r);
2361 goto done;
2362 }
2363 }
2364
2365 werr = libnet_unjoin_post_processing(mem_ctx, r);
2366 if (!W_ERROR_IS_OK(werr)) {
2367 goto done;
2368 }
2369
2370 done:
2371 r->out.result = werr;
2372
2373 if (r->in.debug) {
2374 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2375 }
2376
2377 return werr;
2378 }
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