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tdb: introduce TDB_SUPPORTED_FEATURE_FLAGS
[Samba.git] / source3 / libnet / libnet_join.c
blob68884cd8a86d71bd8a1bd9c6416e831b8c96f317
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 #include "libcli/auth/netlogon_creds_cli.h"
44 #include "auth/credentials/credentials.h"
45
46 /****************************************************************
47 ****************************************************************/
48
49 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
50 do { \
51 char *str = NULL; \
52 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
53 DEBUG(1,("libnet_Join:\n%s", str)); \
54 TALLOC_FREE(str); \
55 } while (0)
56
57 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
58 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
59 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
60 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
61
62 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
63 do { \
64 char *str = NULL; \
65 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
66 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
67 TALLOC_FREE(str); \
68 } while (0)
69
70 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
71 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
72 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
73 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
74
75 /****************************************************************
76 ****************************************************************/
77
78 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
79 struct libnet_JoinCtx *r,
80 const char *format, ...)
81 {
82 va_list args;
83
84 if (r->out.error_string) {
85 return;
86 }
87
88 va_start(args, format);
89 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
90 va_end(args);
91 }
92
93 /****************************************************************
94 ****************************************************************/
95
96 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
97 struct libnet_UnjoinCtx *r,
98 const char *format, ...)
99 {
100 va_list args;
101
102 if (r->out.error_string) {
103 return;
104 }
105
106 va_start(args, format);
107 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
108 va_end(args);
109 }
110
111 #ifdef HAVE_ADS
112
113 /****************************************************************
114 ****************************************************************/
115
116 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
117 const char *netbios_domain_name,
118 const char *dc_name,
119 const char *user_name,
120 const char *password,
121 ADS_STRUCT **ads)
122 {
123 ADS_STATUS status;
124 ADS_STRUCT *my_ads = NULL;
125 char *cp;
126
127 my_ads = ads_init(dns_domain_name,
128 netbios_domain_name,
129 dc_name);
130 if (!my_ads) {
131 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
132 }
133
134 if (user_name) {
135 SAFE_FREE(my_ads->auth.user_name);
136 my_ads->auth.user_name = SMB_STRDUP(user_name);
137 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
138 *cp++ = '\0';
139 SAFE_FREE(my_ads->auth.realm);
140 my_ads->auth.realm = smb_xstrdup(cp);
141 if (!strupper_m(my_ads->auth.realm)) {
142 ads_destroy(&my_ads);
143 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
144 }
145 }
146 }
147
148 if (password) {
149 SAFE_FREE(my_ads->auth.password);
150 my_ads->auth.password = SMB_STRDUP(password);
151 }
152
153 status = ads_connect_user_creds(my_ads);
154 if (!ADS_ERR_OK(status)) {
155 ads_destroy(&my_ads);
156 return status;
157 }
158
159 *ads = my_ads;
160 return ADS_SUCCESS;
161 }
162
163 /****************************************************************
164 ****************************************************************/
165
166 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
167 struct libnet_JoinCtx *r)
168 {
169 ADS_STATUS status;
170
171 status = libnet_connect_ads(r->out.dns_domain_name,
172 r->out.netbios_domain_name,
173 r->in.dc_name,
174 r->in.admin_account,
175 r->in.admin_password,
176 &r->in.ads);
177 if (!ADS_ERR_OK(status)) {
178 libnet_join_set_error_string(mem_ctx, r,
179 "failed to connect to AD: %s",
180 ads_errstr(status));
181 return status;
182 }
183
184 if (!r->out.netbios_domain_name) {
185 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
186 r->in.ads->server.workgroup);
187 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
188 }
189
190 if (!r->out.dns_domain_name) {
191 r->out.dns_domain_name = talloc_strdup(mem_ctx,
192 r->in.ads->config.realm);
193 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
194 }
195
196 r->out.domain_is_ad = true;
197
198 return ADS_SUCCESS;
199 }
200
201 /****************************************************************
202 ****************************************************************/
203
204 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
205 struct libnet_UnjoinCtx *r)
206 {
207 ADS_STATUS status;
208
209 status = libnet_connect_ads(r->in.domain_name,
210 r->in.domain_name,
211 r->in.dc_name,
212 r->in.admin_account,
213 r->in.admin_password,
214 &r->in.ads);
215 if (!ADS_ERR_OK(status)) {
216 libnet_unjoin_set_error_string(mem_ctx, r,
217 "failed to connect to AD: %s",
218 ads_errstr(status));
219 }
220
221 return status;
222 }
223
224 /****************************************************************
225 join a domain using ADS (LDAP mods)
226 ****************************************************************/
227
228 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
229 struct libnet_JoinCtx *r)
230 {
231 ADS_STATUS status;
232 LDAPMessage *res = NULL;
233 const char *attrs[] = { "dn", NULL };
234 bool moved = false;
235
236 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
237 if (!ADS_ERR_OK(status)) {
238 return status;
239 }
240
241 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
242 if (!ADS_ERR_OK(status)) {
243 return status;
244 }
245
246 if (ads_count_replies(r->in.ads, res) != 1) {
247 ads_msgfree(r->in.ads, res);
248 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
249 }
250
251 ads_msgfree(r->in.ads, res);
252
253 /* Attempt to create the machine account and bail if this fails.
254 Assume that the admin wants exactly what they requested */
255
256 status = ads_create_machine_acct(r->in.ads,
257 r->in.machine_name,
258 r->in.account_ou);
259
260 if (ADS_ERR_OK(status)) {
261 DEBUG(1,("machine account creation created\n"));
262 return status;
263 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
264 (status.err.rc == LDAP_ALREADY_EXISTS)) {
265 status = ADS_SUCCESS;
266 }
267
268 if (!ADS_ERR_OK(status)) {
269 DEBUG(1,("machine account creation failed\n"));
270 return status;
271 }
272
273 status = ads_move_machine_acct(r->in.ads,
274 r->in.machine_name,
275 r->in.account_ou,
276 &moved);
277 if (!ADS_ERR_OK(status)) {
278 DEBUG(1,("failure to locate/move pre-existing "
279 "machine account\n"));
280 return status;
281 }
282
283 DEBUG(1,("The machine account %s the specified OU.\n",
284 moved ? "was moved into" : "already exists in"));
285
286 return status;
287 }
288
289 /****************************************************************
290 ****************************************************************/
291
292 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
293 struct libnet_UnjoinCtx *r)
294 {
295 ADS_STATUS status;
296
297 if (!r->in.ads) {
298 status = libnet_unjoin_connect_ads(mem_ctx, r);
299 if (!ADS_ERR_OK(status)) {
300 libnet_unjoin_set_error_string(mem_ctx, r,
301 "failed to connect to AD: %s",
302 ads_errstr(status));
303 return status;
304 }
305 }
306
307 status = ads_leave_realm(r->in.ads, r->in.machine_name);
308 if (!ADS_ERR_OK(status)) {
309 libnet_unjoin_set_error_string(mem_ctx, r,
310 "failed to leave realm: %s",
311 ads_errstr(status));
312 return status;
313 }
314
315 return ADS_SUCCESS;
316 }
317
318 /****************************************************************
319 ****************************************************************/
320
321 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
322 struct libnet_JoinCtx *r)
323 {
324 ADS_STATUS status;
325 LDAPMessage *res = NULL;
326 char *dn = NULL;
327
328 if (!r->in.machine_name) {
329 return ADS_ERROR(LDAP_NO_MEMORY);
330 }
331
332 status = ads_find_machine_acct(r->in.ads,
333 &res,
334 r->in.machine_name);
335 if (!ADS_ERR_OK(status)) {
336 return status;
337 }
338
339 if (ads_count_replies(r->in.ads, res) != 1) {
340 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
341 goto done;
342 }
343
344 dn = ads_get_dn(r->in.ads, mem_ctx, res);
345 if (!dn) {
346 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
347 goto done;
348 }
349
350 r->out.dn = talloc_strdup(mem_ctx, dn);
351 if (!r->out.dn) {
352 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
353 goto done;
354 }
355
356 done:
357 ads_msgfree(r->in.ads, res);
358 TALLOC_FREE(dn);
359
360 return status;
361 }
362
363 /****************************************************************
364 Set a machines dNSHostName and servicePrincipalName attributes
365 ****************************************************************/
366
367 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
368 struct libnet_JoinCtx *r)
369 {
370 ADS_STATUS status;
371 ADS_MODLIST mods;
372 fstring my_fqdn;
373 const char *spn_array[3] = {NULL, NULL, NULL};
374 char *spn = NULL;
375
376 /* Find our DN */
377
378 status = libnet_join_find_machine_acct(mem_ctx, r);
379 if (!ADS_ERR_OK(status)) {
380 return status;
381 }
382
383 /* Windows only creates HOST/shortname & HOST/fqdn. */
384
385 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
386 if (!spn) {
387 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
388 }
389 if (!strupper_m(spn)) {
390 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
391 }
392 spn_array[0] = spn;
393
394 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
395 || (strchr(my_fqdn, '.') == NULL)) {
396 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
397 r->out.dns_domain_name);
398 }
399
400 if (!strlower_m(my_fqdn)) {
401 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
402 }
403
404 if (!strequal(my_fqdn, r->in.machine_name)) {
405 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
406 if (!spn) {
407 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
408 }
409 spn_array[1] = spn;
410 }
411
412 mods = ads_init_mods(mem_ctx);
413 if (!mods) {
414 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
415 }
416
417 /* fields of primary importance */
418
419 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
420 if (!ADS_ERR_OK(status)) {
421 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
422 }
423
424 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
425 spn_array);
426 if (!ADS_ERR_OK(status)) {
427 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
428 }
429
430 return ads_gen_mod(r->in.ads, r->out.dn, mods);
431 }
432
433 /****************************************************************
434 ****************************************************************/
435
436 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
437 struct libnet_JoinCtx *r)
438 {
439 ADS_STATUS status;
440 ADS_MODLIST mods;
441
442 if (!r->in.create_upn) {
443 return ADS_SUCCESS;
444 }
445
446 /* Find our DN */
447
448 status = libnet_join_find_machine_acct(mem_ctx, r);
449 if (!ADS_ERR_OK(status)) {
450 return status;
451 }
452
453 if (!r->in.upn) {
454 const char *realm = r->out.dns_domain_name;
455
456 /* in case we are about to generate a keytab during the join
457 * make sure the default upn we create is usable with kinit -k.
458 * gd */
459
460 if (USE_KERBEROS_KEYTAB) {
461 realm = talloc_strdup_upper(mem_ctx,
462 r->out.dns_domain_name);
463 }
464
465 if (!realm) {
466 return ADS_ERROR(LDAP_NO_MEMORY);
467 }
468
469 r->in.upn = talloc_asprintf(mem_ctx,
470 "host/%s@%s",
471 r->in.machine_name,
472 realm);
473 if (!r->in.upn) {
474 return ADS_ERROR(LDAP_NO_MEMORY);
475 }
476 }
477
478 /* now do the mods */
479
480 mods = ads_init_mods(mem_ctx);
481 if (!mods) {
482 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
483 }
484
485 /* fields of primary importance */
486
487 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
488 if (!ADS_ERR_OK(status)) {
489 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
490 }
491
492 return ads_gen_mod(r->in.ads, r->out.dn, mods);
493 }
494
495
496 /****************************************************************
497 ****************************************************************/
498
499 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
500 struct libnet_JoinCtx *r)
501 {
502 ADS_STATUS status;
503 ADS_MODLIST mods;
504 char *os_sp = NULL;
505
506 if (!r->in.os_name || !r->in.os_version ) {
507 return ADS_SUCCESS;
508 }
509
510 /* Find our DN */
511
512 status = libnet_join_find_machine_acct(mem_ctx, r);
513 if (!ADS_ERR_OK(status)) {
514 return status;
515 }
516
517 /* now do the mods */
518
519 mods = ads_init_mods(mem_ctx);
520 if (!mods) {
521 return ADS_ERROR(LDAP_NO_MEMORY);
522 }
523
524 os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
525 if (!os_sp) {
526 return ADS_ERROR(LDAP_NO_MEMORY);
527 }
528
529 /* fields of primary importance */
530
531 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
532 r->in.os_name);
533 if (!ADS_ERR_OK(status)) {
534 return status;
535 }
536
537 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
538 r->in.os_version);
539 if (!ADS_ERR_OK(status)) {
540 return status;
541 }
542
543 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
544 os_sp);
545 if (!ADS_ERR_OK(status)) {
546 return status;
547 }
548
549 return ads_gen_mod(r->in.ads, r->out.dn, mods);
550 }
551
552 /****************************************************************
553 ****************************************************************/
554
555 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
556 struct libnet_JoinCtx *r)
557 {
558 if (!USE_SYSTEM_KEYTAB) {
559 return true;
560 }
561
562 if (ads_keytab_create_default(r->in.ads) != 0) {
563 return false;
564 }
565
566 return true;
567 }
568
569 /****************************************************************
570 ****************************************************************/
571
572 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
573 struct libnet_JoinCtx *r)
574 {
575 uint32_t domain_func;
576 ADS_STATUS status;
577 const char *salt = NULL;
578 char *std_salt = NULL;
579
580 status = ads_domain_func_level(r->in.ads, &domain_func);
581 if (!ADS_ERR_OK(status)) {
582 libnet_join_set_error_string(mem_ctx, r,
583 "failed to determine domain functional level: %s",
584 ads_errstr(status));
585 return false;
586 }
587
588 /* go ahead and setup the default salt */
589
590 std_salt = kerberos_standard_des_salt();
591 if (!std_salt) {
592 libnet_join_set_error_string(mem_ctx, r,
593 "failed to obtain standard DES salt");
594 return false;
595 }
596
597 salt = talloc_strdup(mem_ctx, std_salt);
598 if (!salt) {
599 return false;
600 }
601
602 SAFE_FREE(std_salt);
603
604 /* if it's a Windows functional domain, we have to look for the UPN */
605
606 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
607 char *upn;
608
609 upn = ads_get_upn(r->in.ads, mem_ctx,
610 r->in.machine_name);
611 if (upn) {
612 salt = talloc_strdup(mem_ctx, upn);
613 if (!salt) {
614 return false;
615 }
616 }
617 }
618
619 return kerberos_secrets_store_des_salt(salt);
620 }
621
622 /****************************************************************
623 ****************************************************************/
624
625 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
626 struct libnet_JoinCtx *r)
627 {
628 ADS_STATUS status;
629
630 if (!r->in.ads) {
631 status = libnet_join_connect_ads(mem_ctx, r);
632 if (!ADS_ERR_OK(status)) {
633 return status;
634 }
635 }
636
637 status = libnet_join_set_machine_spn(mem_ctx, r);
638 if (!ADS_ERR_OK(status)) {
639 libnet_join_set_error_string(mem_ctx, r,
640 "failed to set machine spn: %s",
641 ads_errstr(status));
642 return status;
643 }
644
645 status = libnet_join_set_os_attributes(mem_ctx, r);
646 if (!ADS_ERR_OK(status)) {
647 libnet_join_set_error_string(mem_ctx, r,
648 "failed to set machine os attributes: %s",
649 ads_errstr(status));
650 return status;
651 }
652
653 status = libnet_join_set_machine_upn(mem_ctx, r);
654 if (!ADS_ERR_OK(status)) {
655 libnet_join_set_error_string(mem_ctx, r,
656 "failed to set machine upn: %s",
657 ads_errstr(status));
658 return status;
659 }
660
661 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
662 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
663 }
664
665 if (!libnet_join_create_keytab(mem_ctx, r)) {
666 libnet_join_set_error_string(mem_ctx, r,
667 "failed to create kerberos keytab");
668 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
669 }
670
671 return ADS_SUCCESS;
672 }
673 #endif /* HAVE_ADS */
674
675 /****************************************************************
676 Store the machine password and domain SID
677 ****************************************************************/
678
679 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
680 struct libnet_JoinCtx *r)
681 {
682 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
683 r->out.domain_sid))
684 {
685 DEBUG(1,("Failed to save domain sid\n"));
686 return false;
687 }
688
689 if (!secrets_store_machine_password(r->in.machine_password,
690 r->out.netbios_domain_name,
691 r->in.secure_channel_type))
692 {
693 DEBUG(1,("Failed to save machine password\n"));
694 return false;
695 }
696
697 return true;
698 }
699
700 /****************************************************************
701 Connect dc's IPC$ share
702 ****************************************************************/
703
704 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
705 const char *user,
706 const char *domain,
707 const char *pass,
708 bool use_kerberos,
709 struct cli_state **cli)
710 {
711 int flags = 0;
712
713 if (use_kerberos) {
714 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
715 }
716
717 if (use_kerberos && pass) {
718 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
719 }
720
721 return cli_full_connection(cli, NULL,
722 dc,
723 NULL, 0,
724 "IPC$", "IPC",
725 user,
726 domain,
727 pass,
728 flags,
729 SMB_SIGNING_DEFAULT);
730 }
731
732 /****************************************************************
733 Lookup domain dc's info
734 ****************************************************************/
735
736 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
737 struct libnet_JoinCtx *r,
738 struct cli_state **cli)
739 {
740 struct rpc_pipe_client *pipe_hnd = NULL;
741 struct policy_handle lsa_pol;
742 NTSTATUS status, result;
743 union lsa_PolicyInformation *info = NULL;
744 struct dcerpc_binding_handle *b;
745
746 status = libnet_join_connect_dc_ipc(r->in.dc_name,
747 r->in.admin_account,
748 r->in.admin_domain,
749 r->in.admin_password,
750 r->in.use_kerberos,
751 cli);
752 if (!NT_STATUS_IS_OK(status)) {
753 goto done;
754 }
755
756 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc,
757 &pipe_hnd);
758 if (!NT_STATUS_IS_OK(status)) {
759 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
760 nt_errstr(status)));
761 goto done;
762 }
763
764 b = pipe_hnd->binding_handle;
765
766 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
767 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
768 if (!NT_STATUS_IS_OK(status)) {
769 goto done;
770 }
771
772 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
773 &lsa_pol,
774 LSA_POLICY_INFO_DNS,
775 &info,
776 &result);
777 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
778 r->out.domain_is_ad = true;
779 r->out.netbios_domain_name = info->dns.name.string;
780 r->out.dns_domain_name = info->dns.dns_domain.string;
781 r->out.forest_name = info->dns.dns_forest.string;
782 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
783 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
784 }
785
786 if (!NT_STATUS_IS_OK(status)) {
787 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
788 &lsa_pol,
789 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
790 &info,
791 &result);
792 if (!NT_STATUS_IS_OK(status)) {
793 goto done;
794 }
795 if (!NT_STATUS_IS_OK(result)) {
796 status = result;
797 goto done;
798 }
799
800 r->out.netbios_domain_name = info->account_domain.name.string;
801 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
802 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
803 }
804
805 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
806 TALLOC_FREE(pipe_hnd);
807
808 done:
809 return status;
810 }
811
812 /****************************************************************
813 Do the domain join unsecure
814 ****************************************************************/
815
816 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
817 struct libnet_JoinCtx *r,
818 struct cli_state *cli)
819 {
820 TALLOC_CTX *frame = talloc_stackframe();
821 struct rpc_pipe_client *netlogon_pipe = NULL;
822 struct netlogon_creds_cli_context *netlogon_creds = NULL;
823 struct samr_Password current_nt_hash;
824 const char *account_name = NULL;
825 NTSTATUS status;
826
827 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon,
828 &netlogon_pipe);
829 if (!NT_STATUS_IS_OK(status)) {
830 TALLOC_FREE(frame);
831 return status;
832 }
833
834 if (!r->in.machine_password) {
835 r->in.machine_password = generate_random_password(mem_ctx,
836 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
837 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
838 if (r->in.machine_password == NULL) {
839 TALLOC_FREE(frame);
840 return NT_STATUS_NO_MEMORY;
841 }
842 }
843
844 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
845 E_md4hash(r->in.admin_password, current_nt_hash.hash);
846
847 account_name = talloc_asprintf(frame, "%s$",
848 r->in.machine_name);
849 if (account_name == NULL) {
850 TALLOC_FREE(frame);
851 return NT_STATUS_NO_MEMORY;
852 }
853
854 status = rpccli_create_netlogon_creds(netlogon_pipe->desthost,
855 r->in.domain_name,
856 account_name,
857 r->in.secure_channel_type,
858 r->in.msg_ctx,
859 frame,
860 &netlogon_creds);
861 if (!NT_STATUS_IS_OK(status)) {
862 TALLOC_FREE(frame);
863 return status;
864 }
865
866 status = rpccli_setup_netlogon_creds(cli,
867 netlogon_creds,
868 true, /* force_reauth */
869 current_nt_hash,
870 NULL); /* previous_nt_hash */
871 if (!NT_STATUS_IS_OK(status)) {
872 TALLOC_FREE(frame);
873 return status;
874 }
875
876 status = netlogon_creds_cli_ServerPasswordSet(netlogon_creds,
877 netlogon_pipe->binding_handle,
878 r->in.machine_password,
879 NULL); /* new_version */
880 if (!NT_STATUS_IS_OK(status)) {
881 TALLOC_FREE(frame);
882 return status;
883 }
884
885 TALLOC_FREE(frame);
886 return NT_STATUS_OK;
887 }
888
889 /****************************************************************
890 Do the domain join
891 ****************************************************************/
892
893 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
894 struct libnet_JoinCtx *r,
895 struct cli_state *cli)
896 {
897 struct rpc_pipe_client *pipe_hnd = NULL;
898 struct policy_handle sam_pol, domain_pol, user_pol;
899 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
900 char *acct_name;
901 struct lsa_String lsa_acct_name;
902 uint32_t user_rid;
903 uint32_t acct_flags = ACB_WSTRUST;
904 struct samr_Ids user_rids;
905 struct samr_Ids name_types;
906 union samr_UserInfo user_info;
907 struct dcerpc_binding_handle *b = NULL;
908 unsigned int old_timeout = 0;
909
910 DATA_BLOB session_key = data_blob_null;
911 struct samr_CryptPassword crypt_pwd;
912 struct samr_CryptPasswordEx crypt_pwd_ex;
913
914 ZERO_STRUCT(sam_pol);
915 ZERO_STRUCT(domain_pol);
916 ZERO_STRUCT(user_pol);
917
918 switch (r->in.secure_channel_type) {
919 case SEC_CHAN_WKSTA:
920 acct_flags = ACB_WSTRUST;
921 break;
922 case SEC_CHAN_BDC:
923 acct_flags = ACB_SVRTRUST;
924 break;
925 default:
926 return NT_STATUS_INVALID_PARAMETER;
927 }
928
929 if (!r->in.machine_password) {
930 r->in.machine_password = generate_random_password(mem_ctx,
931 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
932 DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
933 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
934 }
935
936 /* Open the domain */
937
938 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr,
939 &pipe_hnd);
940 if (!NT_STATUS_IS_OK(status)) {
941 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
942 nt_errstr(status)));
943 goto done;
944 }
945
946 b = pipe_hnd->binding_handle;
947
948 status = cli_get_session_key(mem_ctx, pipe_hnd, &session_key);
949 if (!NT_STATUS_IS_OK(status)) {
950 DEBUG(0,("Error getting session_key of SAM pipe. Error was %s\n",
951 nt_errstr(status)));
952 goto done;
953 }
954
955 status = dcerpc_samr_Connect2(b, mem_ctx,
956 pipe_hnd->desthost,
957 SAMR_ACCESS_ENUM_DOMAINS
958 | SAMR_ACCESS_LOOKUP_DOMAIN,
959 &sam_pol,
960 &result);
961 if (!NT_STATUS_IS_OK(status)) {
962 goto done;
963 }
964 if (!NT_STATUS_IS_OK(result)) {
965 status = result;
966 goto done;
967 }
968
969 status = dcerpc_samr_OpenDomain(b, mem_ctx,
970 &sam_pol,
971 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
972 | SAMR_DOMAIN_ACCESS_CREATE_USER
973 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
974 r->out.domain_sid,
975 &domain_pol,
976 &result);
977 if (!NT_STATUS_IS_OK(status)) {
978 goto done;
979 }
980 if (!NT_STATUS_IS_OK(result)) {
981 status = result;
982 goto done;
983 }
984
985 /* Create domain user */
986
987 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
988 if (!strlower_m(acct_name)) {
989 status = NT_STATUS_INVALID_PARAMETER;
990 goto done;
991 }
992
993 init_lsa_String(&lsa_acct_name, acct_name);
994
995 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
996 uint32_t access_desired =
997 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
998 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
999 SAMR_USER_ACCESS_SET_PASSWORD |
1000 SAMR_USER_ACCESS_GET_ATTRIBUTES |
1001 SAMR_USER_ACCESS_SET_ATTRIBUTES;
1002 uint32_t access_granted = 0;
1003
1004 DEBUG(10,("Creating account with desired access mask: %d\n",
1005 access_desired));
1006
1007 status = dcerpc_samr_CreateUser2(b, mem_ctx,
1008 &domain_pol,
1009 &lsa_acct_name,
1010 acct_flags,
1011 access_desired,
1012 &user_pol,
1013 &access_granted,
1014 &user_rid,
1015 &result);
1016 if (!NT_STATUS_IS_OK(status)) {
1017 goto done;
1018 }
1019
1020 status = result;
1021 if (!NT_STATUS_IS_OK(status) &&
1022 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1023
1024 DEBUG(10,("Creation of workstation account failed: %s\n",
1025 nt_errstr(status)));
1026
1027 /* If NT_STATUS_ACCESS_DENIED then we have a valid
1028 username/password combo but the user does not have
1029 administrator access. */
1030
1031 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
1032 libnet_join_set_error_string(mem_ctx, r,
1033 "User specified does not have "
1034 "administrator privileges");
1035 }
1036
1037 goto done;
1038 }
1039
1040 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1041 if (!(r->in.join_flags &
1042 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
1043 goto done;
1044 }
1045 }
1046
1047 /* We *must* do this.... don't ask... */
1048
1049 if (NT_STATUS_IS_OK(status)) {
1050 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1051 }
1052 }
1053
1054 status = dcerpc_samr_LookupNames(b, mem_ctx,
1055 &domain_pol,
1056 1,
1057 &lsa_acct_name,
1058 &user_rids,
1059 &name_types,
1060 &result);
1061 if (!NT_STATUS_IS_OK(status)) {
1062 goto done;
1063 }
1064 if (!NT_STATUS_IS_OK(result)) {
1065 status = result;
1066 goto done;
1067 }
1068 if (user_rids.count != 1) {
1069 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1070 goto done;
1071 }
1072 if (name_types.count != 1) {
1073 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1074 goto done;
1075 }
1076
1077 if (name_types.ids[0] != SID_NAME_USER) {
1078 DEBUG(0,("%s is not a user account (type=%d)\n",
1079 acct_name, name_types.ids[0]));
1080 status = NT_STATUS_INVALID_WORKSTATION;
1081 goto done;
1082 }
1083
1084 user_rid = user_rids.ids[0];
1085
1086 /* Open handle on user */
1087
1088 status = dcerpc_samr_OpenUser(b, mem_ctx,
1089 &domain_pol,
1090 SEC_FLAG_MAXIMUM_ALLOWED,
1091 user_rid,
1092 &user_pol,
1093 &result);
1094 if (!NT_STATUS_IS_OK(status)) {
1095 goto done;
1096 }
1097 if (!NT_STATUS_IS_OK(result)) {
1098 status = result;
1099 goto done;
1100 }
1101
1102 /* Fill in the additional account flags now */
1103
1104 acct_flags |= ACB_PWNOEXP;
1105
1106 /* Set account flags on machine account */
1107 ZERO_STRUCT(user_info.info16);
1108 user_info.info16.acct_flags = acct_flags;
1109
1110 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1111 &user_pol,
1112 16,
1113 &user_info,
1114 &result);
1115 if (!NT_STATUS_IS_OK(status)) {
1116 dcerpc_samr_DeleteUser(b, mem_ctx,
1117 &user_pol,
1118 &result);
1119
1120 libnet_join_set_error_string(mem_ctx, r,
1121 "Failed to set account flags for machine account (%s)\n",
1122 nt_errstr(status));
1123 goto done;
1124 }
1125
1126 if (!NT_STATUS_IS_OK(result)) {
1127 status = result;
1128
1129 dcerpc_samr_DeleteUser(b, mem_ctx,
1130 &user_pol,
1131 &result);
1132
1133 libnet_join_set_error_string(mem_ctx, r,
1134 "Failed to set account flags for machine account (%s)\n",
1135 nt_errstr(status));
1136 goto done;
1137 }
1138
1139 /* Set password on machine account - first try level 26 */
1140
1141 /*
1142 * increase the timeout as password filter modules on the DC
1143 * might delay the operation for a significant amount of time
1144 */
1145 old_timeout = rpccli_set_timeout(pipe_hnd, 600000);
1146
1147 init_samr_CryptPasswordEx(r->in.machine_password,
1148 &session_key,
1149 &crypt_pwd_ex);
1150
1151 user_info.info26.password = crypt_pwd_ex;
1152 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1153
1154 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1155 &user_pol,
1156 26,
1157 &user_info,
1158 &result);
1159
1160 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
1161
1162 /* retry with level 24 */
1163
1164 init_samr_CryptPassword(r->in.machine_password,
1165 &session_key,
1166 &crypt_pwd);
1167
1168 user_info.info24.password = crypt_pwd;
1169 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1170
1171 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1172 &user_pol,
1173 24,
1174 &user_info,
1175 &result);
1176 }
1177
1178 old_timeout = rpccli_set_timeout(pipe_hnd, old_timeout);
1179
1180 if (!NT_STATUS_IS_OK(status)) {
1181
1182 dcerpc_samr_DeleteUser(b, mem_ctx,
1183 &user_pol,
1184 &result);
1185
1186 libnet_join_set_error_string(mem_ctx, r,
1187 "Failed to set password for machine account (%s)\n",
1188 nt_errstr(status));
1189 goto done;
1190 }
1191 if (!NT_STATUS_IS_OK(result)) {
1192 status = result;
1193
1194 dcerpc_samr_DeleteUser(b, mem_ctx,
1195 &user_pol,
1196 &result);
1197
1198 libnet_join_set_error_string(mem_ctx, r,
1199 "Failed to set password for machine account (%s)\n",
1200 nt_errstr(status));
1201 goto done;
1202 }
1203
1204 status = NT_STATUS_OK;
1205
1206 done:
1207 if (!pipe_hnd) {
1208 return status;
1209 }
1210
1211 data_blob_clear_free(&session_key);
1212
1213 if (is_valid_policy_hnd(&sam_pol)) {
1214 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1215 }
1216 if (is_valid_policy_hnd(&domain_pol)) {
1217 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1218 }
1219 if (is_valid_policy_hnd(&user_pol)) {
1220 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1221 }
1222 TALLOC_FREE(pipe_hnd);
1223
1224 return status;
1225 }
1226
1227 /****************************************************************
1228 ****************************************************************/
1229
1230 NTSTATUS libnet_join_ok(struct messaging_context *msg_ctx,
1231 const char *netbios_domain_name,
1232 const char *dc_name,
1233 const bool use_kerberos)
1234 {
1235 TALLOC_CTX *frame = talloc_stackframe();
1236 struct cli_state *cli = NULL;
1237 struct rpc_pipe_client *netlogon_pipe = NULL;
1238 struct netlogon_creds_cli_context *netlogon_creds = NULL;
1239 struct netlogon_creds_CredentialState *creds = NULL;
1240 uint32_t netlogon_flags = 0;
1241 enum netr_SchannelType sec_chan_type = 0;
1242 NTSTATUS status;
1243 char *machine_password = NULL;
1244 const char *machine_name = NULL;
1245 const char *machine_account = NULL;
1246 int flags = 0;
1247 struct samr_Password current_nt_hash;
1248 struct samr_Password *previous_nt_hash = NULL;
1249 bool ok;
1250
1251 if (!dc_name) {
1252 TALLOC_FREE(frame);
1253 return NT_STATUS_INVALID_PARAMETER;
1254 }
1255
1256 if (!secrets_init()) {
1257 TALLOC_FREE(frame);
1258 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1259 }
1260
1261 ok = get_trust_pw_clear(netbios_domain_name,
1262 &machine_password,
1263 &machine_name,
1264 &sec_chan_type);
1265 if (!ok) {
1266 TALLOC_FREE(frame);
1267 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1268 }
1269
1270 machine_account = talloc_asprintf(frame, "%s$", machine_name);
1271 if (machine_account == NULL) {
1272 SAFE_FREE(machine_password);
1273 SAFE_FREE(previous_nt_hash);
1274 TALLOC_FREE(frame);
1275 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1276 }
1277
1278 if (use_kerberos) {
1279 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
1280 }
1281
1282 status = cli_full_connection(&cli, NULL,
1283 dc_name,
1284 NULL, 0,
1285 "IPC$", "IPC",
1286 machine_account,
1287 netbios_domain_name,
1288 machine_password,
1289 flags,
1290 SMB_SIGNING_DEFAULT);
1291
1292 E_md4hash(machine_password, current_nt_hash.hash);
1293 SAFE_FREE(machine_password);
1294
1295 if (!NT_STATUS_IS_OK(status)) {
1296 status = cli_full_connection(&cli, NULL,
1297 dc_name,
1298 NULL, 0,
1299 "IPC$", "IPC",
1300 "",
1301 NULL,
1302 "",
1303 0,
1304 SMB_SIGNING_DEFAULT);
1305 }
1306
1307 if (!NT_STATUS_IS_OK(status)) {
1308 SAFE_FREE(previous_nt_hash);
1309 TALLOC_FREE(frame);
1310 return status;
1311 }
1312
1313 status = rpccli_create_netlogon_creds(dc_name,
1314 netbios_domain_name,
1315 machine_account,
1316 sec_chan_type,
1317 msg_ctx,
1318 frame,
1319 &netlogon_creds);
1320 if (!NT_STATUS_IS_OK(status)) {
1321 SAFE_FREE(previous_nt_hash);
1322 cli_shutdown(cli);
1323 TALLOC_FREE(frame);
1324 return status;
1325 }
1326
1327 status = rpccli_setup_netlogon_creds(cli,
1328 netlogon_creds,
1329 true, /* force_reauth */
1330 current_nt_hash,
1331 previous_nt_hash);
1332 SAFE_FREE(previous_nt_hash);
1333 if (!NT_STATUS_IS_OK(status)) {
1334 DEBUG(0,("connect_to_domain_password_server: "
1335 "unable to open the domain client session to "
1336 "machine %s. Flags[0x%08X] Error was : %s.\n",
1337 dc_name, (unsigned)netlogon_flags,
1338 nt_errstr(status)));
1339 cli_shutdown(cli);
1340 TALLOC_FREE(frame);
1341 return status;
1342 }
1343
1344 status = netlogon_creds_cli_get(netlogon_creds,
1345 talloc_tos(),
1346 &creds);
1347 if (!NT_STATUS_IS_OK(status)) {
1348 cli_shutdown(cli);
1349 TALLOC_FREE(frame);
1350 return status;
1351 }
1352 netlogon_flags = creds->negotiate_flags;
1353 TALLOC_FREE(creds);
1354
1355 if (!(netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
1356 cli_shutdown(cli);
1357 TALLOC_FREE(frame);
1358 return NT_STATUS_OK;
1359 }
1360
1361 status = cli_rpc_pipe_open_schannel_with_key(
1362 cli, &ndr_table_netlogon, NCACN_NP,
1363 netbios_domain_name,
1364 netlogon_creds, &netlogon_pipe);
1365
1366 TALLOC_FREE(netlogon_pipe);
1367
1368 if (!NT_STATUS_IS_OK(status)) {
1369 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1370 "on netlogon pipe to server %s for domain %s. "
1371 "Error was %s\n",
1372 smbXcli_conn_remote_name(cli->conn),
1373 netbios_domain_name, nt_errstr(status)));
1374 cli_shutdown(cli);
1375 TALLOC_FREE(frame);
1376 return status;
1377 }
1378
1379 cli_shutdown(cli);
1380 TALLOC_FREE(frame);
1381 return NT_STATUS_OK;
1382 }
1383
1384 /****************************************************************
1385 ****************************************************************/
1386
1387 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1388 struct libnet_JoinCtx *r)
1389 {
1390 NTSTATUS status;
1391
1392 status = libnet_join_ok(r->in.msg_ctx,
1393 r->out.netbios_domain_name,
1394 r->in.dc_name,
1395 r->in.use_kerberos);
1396 if (!NT_STATUS_IS_OK(status)) {
1397 libnet_join_set_error_string(mem_ctx, r,
1398 "failed to verify domain membership after joining: %s",
1399 get_friendly_nt_error_msg(status));
1400 return WERR_SETUP_NOT_JOINED;
1401 }
1402
1403 return WERR_OK;
1404 }
1405
1406 /****************************************************************
1407 ****************************************************************/
1408
1409 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1410 struct libnet_UnjoinCtx *r)
1411 {
1412 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1413 return false;
1414 }
1415
1416 if (!secrets_delete_domain_sid(lp_workgroup())) {
1417 return false;
1418 }
1419
1420 return true;
1421 }
1422
1423 /****************************************************************
1424 ****************************************************************/
1425
1426 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1427 struct libnet_UnjoinCtx *r)
1428 {
1429 struct cli_state *cli = NULL;
1430 struct rpc_pipe_client *pipe_hnd = NULL;
1431 struct policy_handle sam_pol, domain_pol, user_pol;
1432 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1433 char *acct_name;
1434 uint32_t user_rid;
1435 struct lsa_String lsa_acct_name;
1436 struct samr_Ids user_rids;
1437 struct samr_Ids name_types;
1438 union samr_UserInfo *info = NULL;
1439 struct dcerpc_binding_handle *b = NULL;
1440
1441 ZERO_STRUCT(sam_pol);
1442 ZERO_STRUCT(domain_pol);
1443 ZERO_STRUCT(user_pol);
1444
1445 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1446 r->in.admin_account,
1447 r->in.admin_domain,
1448 r->in.admin_password,
1449 r->in.use_kerberos,
1450 &cli);
1451 if (!NT_STATUS_IS_OK(status)) {
1452 goto done;
1453 }
1454
1455 /* Open the domain */
1456
1457 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr,
1458 &pipe_hnd);
1459 if (!NT_STATUS_IS_OK(status)) {
1460 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1461 nt_errstr(status)));
1462 goto done;
1463 }
1464
1465 b = pipe_hnd->binding_handle;
1466
1467 status = dcerpc_samr_Connect2(b, mem_ctx,
1468 pipe_hnd->desthost,
1469 SEC_FLAG_MAXIMUM_ALLOWED,
1470 &sam_pol,
1471 &result);
1472 if (!NT_STATUS_IS_OK(status)) {
1473 goto done;
1474 }
1475 if (!NT_STATUS_IS_OK(result)) {
1476 status = result;
1477 goto done;
1478 }
1479
1480 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1481 &sam_pol,
1482 SEC_FLAG_MAXIMUM_ALLOWED,
1483 r->in.domain_sid,
1484 &domain_pol,
1485 &result);
1486 if (!NT_STATUS_IS_OK(status)) {
1487 goto done;
1488 }
1489 if (!NT_STATUS_IS_OK(result)) {
1490 status = result;
1491 goto done;
1492 }
1493
1494 /* Create domain user */
1495
1496 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1497 if (!strlower_m(acct_name)) {
1498 status = NT_STATUS_INVALID_PARAMETER;
1499 goto done;
1500 }
1501
1502 init_lsa_String(&lsa_acct_name, acct_name);
1503
1504 status = dcerpc_samr_LookupNames(b, mem_ctx,
1505 &domain_pol,
1506 1,
1507 &lsa_acct_name,
1508 &user_rids,
1509 &name_types,
1510 &result);
1511
1512 if (!NT_STATUS_IS_OK(status)) {
1513 goto done;
1514 }
1515 if (!NT_STATUS_IS_OK(result)) {
1516 status = result;
1517 goto done;
1518 }
1519 if (user_rids.count != 1) {
1520 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1521 goto done;
1522 }
1523 if (name_types.count != 1) {
1524 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1525 goto done;
1526 }
1527
1528 if (name_types.ids[0] != SID_NAME_USER) {
1529 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1530 name_types.ids[0]));
1531 status = NT_STATUS_INVALID_WORKSTATION;
1532 goto done;
1533 }
1534
1535 user_rid = user_rids.ids[0];
1536
1537 /* Open handle on user */
1538
1539 status = dcerpc_samr_OpenUser(b, mem_ctx,
1540 &domain_pol,
1541 SEC_FLAG_MAXIMUM_ALLOWED,
1542 user_rid,
1543 &user_pol,
1544 &result);
1545 if (!NT_STATUS_IS_OK(status)) {
1546 goto done;
1547 }
1548 if (!NT_STATUS_IS_OK(result)) {
1549 status = result;
1550 goto done;
1551 }
1552
1553 /* Get user info */
1554
1555 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1556 &user_pol,
1557 16,
1558 &info,
1559 &result);
1560 if (!NT_STATUS_IS_OK(status)) {
1561 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1562 goto done;
1563 }
1564 if (!NT_STATUS_IS_OK(result)) {
1565 status = result;
1566 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1567 goto done;
1568 }
1569
1570 /* now disable and setuser info */
1571
1572 info->info16.acct_flags |= ACB_DISABLED;
1573
1574 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1575 &user_pol,
1576 16,
1577 info,
1578 &result);
1579 if (!NT_STATUS_IS_OK(status)) {
1580 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1581 goto done;
1582 }
1583 if (!NT_STATUS_IS_OK(result)) {
1584 status = result;
1585 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1586 goto done;
1587 }
1588 status = result;
1589 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1590
1591 done:
1592 if (pipe_hnd && b) {
1593 if (is_valid_policy_hnd(&domain_pol)) {
1594 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1595 }
1596 if (is_valid_policy_hnd(&sam_pol)) {
1597 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1598 }
1599 TALLOC_FREE(pipe_hnd);
1600 }
1601
1602 if (cli) {
1603 cli_shutdown(cli);
1604 }
1605
1606 return status;
1607 }
1608
1609 /****************************************************************
1610 ****************************************************************/
1611
1612 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1613 {
1614 WERROR werr = WERR_OK;
1615 sbcErr err;
1616 struct smbconf_ctx *ctx;
1617
1618 err = smbconf_init_reg(r, &ctx, NULL);
1619 if (!SBC_ERROR_IS_OK(err)) {
1620 werr = WERR_NO_SUCH_SERVICE;
1621 goto done;
1622 }
1623
1624 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1625
1626 err = smbconf_set_global_parameter(ctx, "security", "user");
1627 if (!SBC_ERROR_IS_OK(err)) {
1628 werr = WERR_NO_SUCH_SERVICE;
1629 goto done;
1630 }
1631
1632 err = smbconf_set_global_parameter(ctx, "workgroup",
1633 r->in.domain_name);
1634 if (!SBC_ERROR_IS_OK(err)) {
1635 werr = WERR_NO_SUCH_SERVICE;
1636 goto done;
1637 }
1638
1639 smbconf_delete_global_parameter(ctx, "realm");
1640 goto done;
1641 }
1642
1643 err = smbconf_set_global_parameter(ctx, "security", "domain");
1644 if (!SBC_ERROR_IS_OK(err)) {
1645 werr = WERR_NO_SUCH_SERVICE;
1646 goto done;
1647 }
1648
1649 err = smbconf_set_global_parameter(ctx, "workgroup",
1650 r->out.netbios_domain_name);
1651 if (!SBC_ERROR_IS_OK(err)) {
1652 werr = WERR_NO_SUCH_SERVICE;
1653 goto done;
1654 }
1655
1656 if (r->out.domain_is_ad) {
1657 err = smbconf_set_global_parameter(ctx, "security", "ads");
1658 if (!SBC_ERROR_IS_OK(err)) {
1659 werr = WERR_NO_SUCH_SERVICE;
1660 goto done;
1661 }
1662
1663 err = smbconf_set_global_parameter(ctx, "realm",
1664 r->out.dns_domain_name);
1665 if (!SBC_ERROR_IS_OK(err)) {
1666 werr = WERR_NO_SUCH_SERVICE;
1667 goto done;
1668 }
1669 }
1670
1671 done:
1672 smbconf_shutdown(ctx);
1673 return werr;
1674 }
1675
1676 /****************************************************************
1677 ****************************************************************/
1678
1679 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1680 {
1681 WERROR werr = WERR_OK;
1682 sbcErr err;
1683 struct smbconf_ctx *ctx;
1684
1685 err = smbconf_init_reg(r, &ctx, NULL);
1686 if (!SBC_ERROR_IS_OK(err)) {
1687 werr = WERR_NO_SUCH_SERVICE;
1688 goto done;
1689 }
1690
1691 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1692
1693 err = smbconf_set_global_parameter(ctx, "security", "user");
1694 if (!SBC_ERROR_IS_OK(err)) {
1695 werr = WERR_NO_SUCH_SERVICE;
1696 goto done;
1697 }
1698
1699 err = smbconf_delete_global_parameter(ctx, "workgroup");
1700 if (!SBC_ERROR_IS_OK(err)) {
1701 werr = WERR_NO_SUCH_SERVICE;
1702 goto done;
1703 }
1704
1705 smbconf_delete_global_parameter(ctx, "realm");
1706 }
1707
1708 done:
1709 smbconf_shutdown(ctx);
1710 return werr;
1711 }
1712
1713 /****************************************************************
1714 ****************************************************************/
1715
1716 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1717 {
1718 WERROR werr;
1719
1720 if (!W_ERROR_IS_OK(r->out.result)) {
1721 return r->out.result;
1722 }
1723
1724 if (!r->in.modify_config) {
1725 return WERR_OK;
1726 }
1727
1728 werr = do_join_modify_vals_config(r);
1729 if (!W_ERROR_IS_OK(werr)) {
1730 return werr;
1731 }
1732
1733 lp_load_global(get_dyn_CONFIGFILE());
1734
1735 r->out.modified_config = true;
1736 r->out.result = werr;
1737
1738 return werr;
1739 }
1740
1741 /****************************************************************
1742 ****************************************************************/
1743
1744 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1745 {
1746 WERROR werr;
1747
1748 if (!W_ERROR_IS_OK(r->out.result)) {
1749 return r->out.result;
1750 }
1751
1752 if (!r->in.modify_config) {
1753 return WERR_OK;
1754 }
1755
1756 werr = do_unjoin_modify_vals_config(r);
1757 if (!W_ERROR_IS_OK(werr)) {
1758 return werr;
1759 }
1760
1761 lp_load_global(get_dyn_CONFIGFILE());
1762
1763 r->out.modified_config = true;
1764 r->out.result = werr;
1765
1766 return werr;
1767 }
1768
1769 /****************************************************************
1770 ****************************************************************/
1771
1772 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1773 const char *domain_str,
1774 const char **domain_p,
1775 const char **dc_p)
1776 {
1777 char *domain = NULL;
1778 char *dc = NULL;
1779 const char *p = NULL;
1780
1781 if (!domain_str || !domain_p || !dc_p) {
1782 return false;
1783 }
1784
1785 p = strchr_m(domain_str, '\\');
1786
1787 if (p != NULL) {
1788 domain = talloc_strndup(mem_ctx, domain_str,
1789 PTR_DIFF(p, domain_str));
1790 dc = talloc_strdup(mem_ctx, p+1);
1791 if (!dc) {
1792 return false;
1793 }
1794 } else {
1795 domain = talloc_strdup(mem_ctx, domain_str);
1796 dc = NULL;
1797 }
1798 if (!domain) {
1799 return false;
1800 }
1801
1802 *domain_p = domain;
1803
1804 if (!*dc_p && dc) {
1805 *dc_p = dc;
1806 }
1807
1808 return true;
1809 }
1810
1811 /****************************************************************
1812 ****************************************************************/
1813
1814 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1815 struct libnet_JoinCtx *r)
1816 {
1817 if (!r->in.domain_name) {
1818 libnet_join_set_error_string(mem_ctx, r,
1819 "No domain name defined");
1820 return WERR_INVALID_PARAM;
1821 }
1822
1823 if (strlen(r->in.machine_name) > 15) {
1824 libnet_join_set_error_string(mem_ctx, r,
1825 "Our netbios name can be at most 15 chars long, "
1826 "\"%s\" is %u chars long\n",
1827 r->in.machine_name,
1828 (unsigned int)strlen(r->in.machine_name));
1829 return WERR_INVALID_PARAM;
1830 }
1831
1832 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1833 &r->in.domain_name,
1834 &r->in.dc_name)) {
1835 libnet_join_set_error_string(mem_ctx, r,
1836 "Failed to parse domain name");
1837 return WERR_INVALID_PARAM;
1838 }
1839
1840 if (IS_DC) {
1841 return WERR_SETUP_DOMAIN_CONTROLLER;
1842 }
1843
1844 if (!r->in.admin_domain) {
1845 char *admin_domain = NULL;
1846 char *admin_account = NULL;
1847 split_domain_user(mem_ctx,
1848 r->in.admin_account,
1849 &admin_domain,
1850 &admin_account);
1851 r->in.admin_domain = admin_domain;
1852 r->in.admin_account = admin_account;
1853 }
1854
1855 if (!secrets_init()) {
1856 libnet_join_set_error_string(mem_ctx, r,
1857 "Unable to open secrets database");
1858 return WERR_CAN_NOT_COMPLETE;
1859 }
1860
1861 return WERR_OK;
1862 }
1863
1864 /****************************************************************
1865 ****************************************************************/
1866
1867 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1868 {
1869 NTSTATUS status;
1870
1871 /* Try adding dom admins to builtin\admins. Only log failures. */
1872 status = create_builtin_administrators(domain_sid);
1873 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1874 DEBUG(10,("Unable to auto-add domain administrators to "
1875 "BUILTIN\\Administrators during join because "
1876 "winbindd must be running.\n"));
1877 } else if (!NT_STATUS_IS_OK(status)) {
1878 DEBUG(5, ("Failed to auto-add domain administrators to "
1879 "BUILTIN\\Administrators during join: %s\n",
1880 nt_errstr(status)));
1881 }
1882
1883 /* Try adding dom users to builtin\users. Only log failures. */
1884 status = create_builtin_users(domain_sid);
1885 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1886 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1887 "during join because winbindd must be running.\n"));
1888 } else if (!NT_STATUS_IS_OK(status)) {
1889 DEBUG(5, ("Failed to auto-add domain administrators to "
1890 "BUILTIN\\Administrators during join: %s\n",
1891 nt_errstr(status)));
1892 }
1893 }
1894
1895 /****************************************************************
1896 ****************************************************************/
1897
1898 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1899 struct libnet_JoinCtx *r)
1900 {
1901 WERROR werr;
1902
1903 if (!W_ERROR_IS_OK(r->out.result)) {
1904 return r->out.result;
1905 }
1906
1907 werr = do_JoinConfig(r);
1908 if (!W_ERROR_IS_OK(werr)) {
1909 return werr;
1910 }
1911
1912 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1913 return WERR_OK;
1914 }
1915
1916 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1917 if (r->out.dns_domain_name) {
1918 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1919 }
1920
1921 #ifdef HAVE_ADS
1922 if (r->out.domain_is_ad &&
1923 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1924 ADS_STATUS ads_status;
1925
1926 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1927 if (!ADS_ERR_OK(ads_status)) {
1928 return WERR_GENERAL_FAILURE;
1929 }
1930 }
1931 #endif /* HAVE_ADS */
1932
1933 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1934
1935 return WERR_OK;
1936 }
1937
1938 /****************************************************************
1939 ****************************************************************/
1940
1941 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1942 {
1943 if (r->in.ads) {
1944 ads_destroy(&r->in.ads);
1945 }
1946
1947 return 0;
1948 }
1949
1950 /****************************************************************
1951 ****************************************************************/
1952
1953 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1954 {
1955 if (r->in.ads) {
1956 ads_destroy(&r->in.ads);
1957 }
1958
1959 return 0;
1960 }
1961
1962 /****************************************************************
1963 ****************************************************************/
1964
1965 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1966 struct libnet_JoinCtx **r)
1967 {
1968 struct libnet_JoinCtx *ctx;
1969
1970 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1971 if (!ctx) {
1972 return WERR_NOMEM;
1973 }
1974
1975 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1976
1977 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
1978 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1979
1980 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1981
1982 *r = ctx;
1983
1984 return WERR_OK;
1985 }
1986
1987 /****************************************************************
1988 ****************************************************************/
1989
1990 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1991 struct libnet_UnjoinCtx **r)
1992 {
1993 struct libnet_UnjoinCtx *ctx;
1994
1995 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1996 if (!ctx) {
1997 return WERR_NOMEM;
1998 }
1999
2000 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
2001
2002 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
2003 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
2004
2005 *r = ctx;
2006
2007 return WERR_OK;
2008 }
2009
2010 /****************************************************************
2011 ****************************************************************/
2012
2013 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
2014 struct libnet_JoinCtx *r)
2015 {
2016 bool valid_security = false;
2017 bool valid_workgroup = false;
2018 bool valid_realm = false;
2019
2020 /* check if configuration is already set correctly */
2021
2022 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
2023
2024 switch (r->out.domain_is_ad) {
2025 case false:
2026 valid_security = (lp_security() == SEC_DOMAIN);
2027 if (valid_workgroup && valid_security) {
2028 /* nothing to be done */
2029 return WERR_OK;
2030 }
2031 break;
2032 case true:
2033 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
2034 switch (lp_security()) {
2035 case SEC_DOMAIN:
2036 case SEC_ADS:
2037 valid_security = true;
2038 }
2039
2040 if (valid_workgroup && valid_realm && valid_security) {
2041 /* nothing to be done */
2042 return WERR_OK;
2043 }
2044 break;
2045 }
2046
2047 /* check if we are supposed to manipulate configuration */
2048
2049 if (!r->in.modify_config) {
2050
2051 char *wrong_conf = talloc_strdup(mem_ctx, "");
2052
2053 if (!valid_workgroup) {
2054 wrong_conf = talloc_asprintf_append(wrong_conf,
2055 "\"workgroup\" set to '%s', should be '%s'",
2056 lp_workgroup(), r->out.netbios_domain_name);
2057 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
2058 }
2059
2060 if (!valid_realm) {
2061 wrong_conf = talloc_asprintf_append(wrong_conf,
2062 "\"realm\" set to '%s', should be '%s'",
2063 lp_realm(), r->out.dns_domain_name);
2064 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
2065 }
2066
2067 if (!valid_security) {
2068 const char *sec = NULL;
2069 switch (lp_security()) {
2070 case SEC_USER: sec = "user"; break;
2071 case SEC_DOMAIN: sec = "domain"; break;
2072 case SEC_ADS: sec = "ads"; break;
2073 }
2074 wrong_conf = talloc_asprintf_append(wrong_conf,
2075 "\"security\" set to '%s', should be %s",
2076 sec, r->out.domain_is_ad ?
2077 "either 'domain' or 'ads'" : "'domain'");
2078 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
2079 }
2080
2081 libnet_join_set_error_string(mem_ctx, r,
2082 "Invalid configuration (%s) and configuration modification "
2083 "was not requested", wrong_conf);
2084 return WERR_CAN_NOT_COMPLETE;
2085 }
2086
2087 /* check if we are able to manipulate configuration */
2088
2089 if (!lp_config_backend_is_registry()) {
2090 libnet_join_set_error_string(mem_ctx, r,
2091 "Configuration manipulation requested but not "
2092 "supported by backend");
2093 return WERR_NOT_SUPPORTED;
2094 }
2095
2096 return WERR_OK;
2097 }
2098
2099 /****************************************************************
2100 ****************************************************************/
2101
2102 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
2103 struct libnet_JoinCtx *r)
2104 {
2105 NTSTATUS status;
2106 WERROR werr;
2107 struct cli_state *cli = NULL;
2108 #ifdef HAVE_ADS
2109 ADS_STATUS ads_status;
2110 #endif /* HAVE_ADS */
2111
2112 if (!r->in.dc_name) {
2113 struct netr_DsRGetDCNameInfo *info;
2114 const char *dc;
2115 status = dsgetdcname(mem_ctx,
2116 r->in.msg_ctx,
2117 r->in.domain_name,
2118 NULL,
2119 NULL,
2120 DS_FORCE_REDISCOVERY |
2121 DS_DIRECTORY_SERVICE_REQUIRED |
2122 DS_WRITABLE_REQUIRED |
2123 DS_RETURN_DNS_NAME,
2124 &info);
2125 if (!NT_STATUS_IS_OK(status)) {
2126 libnet_join_set_error_string(mem_ctx, r,
2127 "failed to find DC for domain %s",
2128 r->in.domain_name,
2129 get_friendly_nt_error_msg(status));
2130 return WERR_DCNOTFOUND;
2131 }
2132
2133 dc = strip_hostname(info->dc_unc);
2134 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2135 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2136 }
2137
2138 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
2139 if (!NT_STATUS_IS_OK(status)) {
2140 libnet_join_set_error_string(mem_ctx, r,
2141 "failed to lookup DC info for domain '%s' over rpc: %s",
2142 r->in.domain_name, get_friendly_nt_error_msg(status));
2143 return ntstatus_to_werror(status);
2144 }
2145
2146 werr = libnet_join_check_config(mem_ctx, r);
2147 if (!W_ERROR_IS_OK(werr)) {
2148 goto done;
2149 }
2150
2151 #ifdef HAVE_ADS
2152
2153 create_local_private_krb5_conf_for_domain(
2154 r->out.dns_domain_name, r->out.netbios_domain_name,
2155 NULL, smbXcli_conn_remote_sockaddr(cli->conn));
2156
2157 if (r->out.domain_is_ad && r->in.account_ou &&
2158 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2159
2160 ads_status = libnet_join_connect_ads(mem_ctx, r);
2161 if (!ADS_ERR_OK(ads_status)) {
2162 return WERR_DEFAULT_JOIN_REQUIRED;
2163 }
2164
2165 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
2166 if (!ADS_ERR_OK(ads_status)) {
2167 libnet_join_set_error_string(mem_ctx, r,
2168 "failed to precreate account in ou %s: %s",
2169 r->in.account_ou,
2170 ads_errstr(ads_status));
2171 return WERR_DEFAULT_JOIN_REQUIRED;
2172 }
2173
2174 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2175 }
2176 #endif /* HAVE_ADS */
2177
2178 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2179 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2180 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2181 } else {
2182 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2183 }
2184 if (!NT_STATUS_IS_OK(status)) {
2185 libnet_join_set_error_string(mem_ctx, r,
2186 "failed to join domain '%s' over rpc: %s",
2187 r->in.domain_name, get_friendly_nt_error_msg(status));
2188 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2189 return WERR_SETUP_ALREADY_JOINED;
2190 }
2191 werr = ntstatus_to_werror(status);
2192 goto done;
2193 }
2194
2195 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2196 werr = WERR_SETUP_NOT_JOINED;
2197 goto done;
2198 }
2199
2200 werr = WERR_OK;
2201
2202 done:
2203 if (cli) {
2204 cli_shutdown(cli);
2205 }
2206
2207 return werr;
2208 }
2209
2210 /****************************************************************
2211 ****************************************************************/
2212
2213 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2214 struct libnet_JoinCtx *r)
2215 {
2216 WERROR werr;
2217 struct libnet_UnjoinCtx *u = NULL;
2218
2219 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2220 if (!W_ERROR_IS_OK(werr)) {
2221 return werr;
2222 }
2223
2224 u->in.debug = r->in.debug;
2225 u->in.dc_name = r->in.dc_name;
2226 u->in.domain_name = r->in.domain_name;
2227 u->in.admin_account = r->in.admin_account;
2228 u->in.admin_password = r->in.admin_password;
2229 u->in.modify_config = r->in.modify_config;
2230 u->in.use_kerberos = r->in.use_kerberos;
2231 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2232 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2233
2234 werr = libnet_Unjoin(mem_ctx, u);
2235 TALLOC_FREE(u);
2236
2237 return werr;
2238 }
2239
2240 /****************************************************************
2241 ****************************************************************/
2242
2243 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2244 struct libnet_JoinCtx *r)
2245 {
2246 WERROR werr;
2247
2248 if (r->in.debug) {
2249 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2250 }
2251
2252 ZERO_STRUCT(r->out);
2253
2254 werr = libnet_join_pre_processing(mem_ctx, r);
2255 if (!W_ERROR_IS_OK(werr)) {
2256 goto done;
2257 }
2258
2259 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2260 werr = libnet_DomainJoin(mem_ctx, r);
2261 if (!W_ERROR_IS_OK(werr)) {
2262 goto done;
2263 }
2264 }
2265
2266 werr = libnet_join_post_processing(mem_ctx, r);
2267 if (!W_ERROR_IS_OK(werr)) {
2268 goto done;
2269 }
2270
2271 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2272 werr = libnet_join_post_verify(mem_ctx, r);
2273 if (!W_ERROR_IS_OK(werr)) {
2274 libnet_join_rollback(mem_ctx, r);
2275 }
2276 }
2277
2278 done:
2279 r->out.result = werr;
2280
2281 if (r->in.debug) {
2282 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2283 }
2284 return werr;
2285 }
2286
2287 /****************************************************************
2288 ****************************************************************/
2289
2290 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2291 struct libnet_UnjoinCtx *r)
2292 {
2293 NTSTATUS status;
2294
2295 if (!r->in.domain_sid) {
2296 struct dom_sid sid;
2297 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2298 libnet_unjoin_set_error_string(mem_ctx, r,
2299 "Unable to fetch domain sid: are we joined?");
2300 return WERR_SETUP_NOT_JOINED;
2301 }
2302 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2303 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2304 }
2305
2306 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2307 !r->in.delete_machine_account) {
2308 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2309 return WERR_OK;
2310 }
2311
2312 if (!r->in.dc_name) {
2313 struct netr_DsRGetDCNameInfo *info;
2314 const char *dc;
2315 status = dsgetdcname(mem_ctx,
2316 r->in.msg_ctx,
2317 r->in.domain_name,
2318 NULL,
2319 NULL,
2320 DS_DIRECTORY_SERVICE_REQUIRED |
2321 DS_WRITABLE_REQUIRED |
2322 DS_RETURN_DNS_NAME,
2323 &info);
2324 if (!NT_STATUS_IS_OK(status)) {
2325 libnet_unjoin_set_error_string(mem_ctx, r,
2326 "failed to find DC for domain %s",
2327 r->in.domain_name,
2328 get_friendly_nt_error_msg(status));
2329 return WERR_DCNOTFOUND;
2330 }
2331
2332 dc = strip_hostname(info->dc_unc);
2333 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2334 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2335 }
2336
2337 #ifdef HAVE_ADS
2338 /* for net ads leave, try to delete the account. If it works,
2339 no sense in disabling. If it fails, we can still try to
2340 disable it. jmcd */
2341
2342 if (r->in.delete_machine_account) {
2343 ADS_STATUS ads_status;
2344 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2345 if (ADS_ERR_OK(ads_status)) {
2346 /* dirty hack */
2347 r->out.dns_domain_name =
2348 talloc_strdup(mem_ctx,
2349 r->in.ads->server.realm);
2350 ads_status =
2351 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2352 }
2353 if (!ADS_ERR_OK(ads_status)) {
2354 libnet_unjoin_set_error_string(mem_ctx, r,
2355 "failed to remove machine account from AD: %s",
2356 ads_errstr(ads_status));
2357 } else {
2358 r->out.deleted_machine_account = true;
2359 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2360 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2361 return WERR_OK;
2362 }
2363 }
2364 #endif /* HAVE_ADS */
2365
2366 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2367 "disable". */
2368 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2369 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2370 if (!NT_STATUS_IS_OK(status)) {
2371 libnet_unjoin_set_error_string(mem_ctx, r,
2372 "failed to disable machine account via rpc: %s",
2373 get_friendly_nt_error_msg(status));
2374 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2375 return WERR_SETUP_NOT_JOINED;
2376 }
2377 return ntstatus_to_werror(status);
2378 }
2379
2380 r->out.disabled_machine_account = true;
2381 }
2382
2383 /* If disable succeeded or was not requested at all, we
2384 should be getting rid of our end of things */
2385
2386 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2387
2388 return WERR_OK;
2389 }
2390
2391 /****************************************************************
2392 ****************************************************************/
2393
2394 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2395 struct libnet_UnjoinCtx *r)
2396 {
2397 if (!r->in.domain_name) {
2398 libnet_unjoin_set_error_string(mem_ctx, r,
2399 "No domain name defined");
2400 return WERR_INVALID_PARAM;
2401 }
2402
2403 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2404 &r->in.domain_name,
2405 &r->in.dc_name)) {
2406 libnet_unjoin_set_error_string(mem_ctx, r,
2407 "Failed to parse domain name");
2408 return WERR_INVALID_PARAM;
2409 }
2410
2411 if (IS_DC) {
2412 return WERR_SETUP_DOMAIN_CONTROLLER;
2413 }
2414
2415 if (!r->in.admin_domain) {
2416 char *admin_domain = NULL;
2417 char *admin_account = NULL;
2418 split_domain_user(mem_ctx,
2419 r->in.admin_account,
2420 &admin_domain,
2421 &admin_account);
2422 r->in.admin_domain = admin_domain;
2423 r->in.admin_account = admin_account;
2424 }
2425
2426 if (!secrets_init()) {
2427 libnet_unjoin_set_error_string(mem_ctx, r,
2428 "Unable to open secrets database");
2429 return WERR_CAN_NOT_COMPLETE;
2430 }
2431
2432 return WERR_OK;
2433 }
2434
2435 /****************************************************************
2436 ****************************************************************/
2437
2438 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2439 struct libnet_UnjoinCtx *r)
2440 {
2441 saf_delete(r->out.netbios_domain_name);
2442 saf_delete(r->out.dns_domain_name);
2443
2444 return libnet_unjoin_config(r);
2445 }
2446
2447 /****************************************************************
2448 ****************************************************************/
2449
2450 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2451 struct libnet_UnjoinCtx *r)
2452 {
2453 WERROR werr;
2454
2455 if (r->in.debug) {
2456 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2457 }
2458
2459 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2460 if (!W_ERROR_IS_OK(werr)) {
2461 goto done;
2462 }
2463
2464 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2465 werr = libnet_DomainUnjoin(mem_ctx, r);
2466 if (!W_ERROR_IS_OK(werr)) {
2467 libnet_unjoin_config(r);
2468 goto done;
2469 }
2470 }
2471
2472 werr = libnet_unjoin_post_processing(mem_ctx, r);
2473 if (!W_ERROR_IS_OK(werr)) {
2474 goto done;
2475 }
2476
2477 done:
2478 r->out.result = werr;
2479
2480 if (r->in.debug) {
2481 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2482 }
2483
2484 return werr;
2485 }
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