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smbldap: Fix typo in debug message.
[Samba.git] / source / libnet / libnet_join.c
blob6b6491b5b8ea45298def1b0201dc1094a1e79a39
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "libnet/libnet.h"
23
24 /****************************************************************
25 ****************************************************************/
26
27 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
28 do { \
29 char *str = NULL; \
30 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
31 DEBUG(1,("libnet_Join:\n%s", str)); \
32 TALLOC_FREE(str); \
33 } while (0)
34
35 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
36 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
37 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
38 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
39
40 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
41 do { \
42 char *str = NULL; \
43 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
44 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
45 TALLOC_FREE(str); \
46 } while (0)
47
48 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
49 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
50 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
51 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
52
53 #define W_ERROR_NOT_OK_GOTO_DONE(x) do { \
54 if (!W_ERROR_IS_OK(x)) {\
55 goto done;\
56 }\
57 } while (0)
58
59 /****************************************************************
60 ****************************************************************/
61
62 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
63 struct libnet_JoinCtx *r,
64 const char *format, ...)
65 {
66 va_list args;
67
68 if (r->out.error_string) {
69 return;
70 }
71
72 va_start(args, format);
73 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
74 va_end(args);
75 }
76
77 /****************************************************************
78 ****************************************************************/
79
80 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
81 struct libnet_UnjoinCtx *r,
82 const char *format, ...)
83 {
84 va_list args;
85
86 if (r->out.error_string) {
87 return;
88 }
89
90 va_start(args, format);
91 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
92 va_end(args);
93 }
94
95 #ifdef WITH_ADS
96
97 /****************************************************************
98 ****************************************************************/
99
100 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
101 const char *netbios_domain_name,
102 const char *dc_name,
103 const char *user_name,
104 const char *password,
105 ADS_STRUCT **ads)
106 {
107 ADS_STATUS status;
108 ADS_STRUCT *my_ads = NULL;
109
110 my_ads = ads_init(dns_domain_name,
111 netbios_domain_name,
112 dc_name);
113 if (!my_ads) {
114 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
115 }
116
117 if (user_name) {
118 SAFE_FREE(my_ads->auth.user_name);
119 my_ads->auth.user_name = SMB_STRDUP(user_name);
120 }
121
122 if (password) {
123 SAFE_FREE(my_ads->auth.password);
124 my_ads->auth.password = SMB_STRDUP(password);
125 }
126
127 status = ads_connect_user_creds(my_ads);
128 if (!ADS_ERR_OK(status)) {
129 ads_destroy(&my_ads);
130 return status;
131 }
132
133 *ads = my_ads;
134 return ADS_SUCCESS;
135 }
136
137 /****************************************************************
138 ****************************************************************/
139
140 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
141 struct libnet_JoinCtx *r)
142 {
143 ADS_STATUS status;
144
145 status = libnet_connect_ads(r->out.dns_domain_name,
146 r->out.netbios_domain_name,
147 r->in.dc_name,
148 r->in.admin_account,
149 r->in.admin_password,
150 &r->in.ads);
151 if (!ADS_ERR_OK(status)) {
152 libnet_join_set_error_string(mem_ctx, r,
153 "failed to connect to AD: %s",
154 ads_errstr(status));
155 return status;
156 }
157
158 if (!r->out.netbios_domain_name) {
159 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
160 r->in.ads->server.workgroup);
161 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
162 }
163
164 if (!r->out.dns_domain_name) {
165 r->out.dns_domain_name = talloc_strdup(mem_ctx,
166 r->in.ads->config.realm);
167 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
168 }
169
170 r->out.domain_is_ad = true;
171
172 return ADS_SUCCESS;
173 }
174
175 /****************************************************************
176 ****************************************************************/
177
178 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
179 struct libnet_UnjoinCtx *r)
180 {
181 ADS_STATUS status;
182
183 status = libnet_connect_ads(r->in.domain_name,
184 r->in.domain_name,
185 r->in.dc_name,
186 r->in.admin_account,
187 r->in.admin_password,
188 &r->in.ads);
189 if (!ADS_ERR_OK(status)) {
190 libnet_unjoin_set_error_string(mem_ctx, r,
191 "failed to connect to AD: %s",
192 ads_errstr(status));
193 }
194
195 return status;
196 }
197
198 /****************************************************************
199 join a domain using ADS (LDAP mods)
200 ****************************************************************/
201
202 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
203 struct libnet_JoinCtx *r)
204 {
205 ADS_STATUS status;
206 LDAPMessage *res = NULL;
207 const char *attrs[] = { "dn", NULL };
208 bool moved = false;
209
210 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
211 if (!ADS_ERR_OK(status)) {
212 return status;
213 }
214
215 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
216 if (!ADS_ERR_OK(status)) {
217 return status;
218 }
219
220 if (ads_count_replies(r->in.ads, res) != 1) {
221 ads_msgfree(r->in.ads, res);
222 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
223 }
224
225 ads_msgfree(r->in.ads, res);
226
227 /* Attempt to create the machine account and bail if this fails.
228 Assume that the admin wants exactly what they requested */
229
230 status = ads_create_machine_acct(r->in.ads,
231 r->in.machine_name,
232 r->in.account_ou);
233
234 if (ADS_ERR_OK(status)) {
235 DEBUG(1,("machine account creation created\n"));
236 return status;
237 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
238 (status.err.rc == LDAP_ALREADY_EXISTS)) {
239 status = ADS_SUCCESS;
240 }
241
242 if (!ADS_ERR_OK(status)) {
243 DEBUG(1,("machine account creation failed\n"));
244 return status;
245 }
246
247 status = ads_move_machine_acct(r->in.ads,
248 r->in.machine_name,
249 r->in.account_ou,
250 &moved);
251 if (!ADS_ERR_OK(status)) {
252 DEBUG(1,("failure to locate/move pre-existing "
253 "machine account\n"));
254 return status;
255 }
256
257 DEBUG(1,("The machine account %s the specified OU.\n",
258 moved ? "was moved into" : "already exists in"));
259
260 return status;
261 }
262
263 /****************************************************************
264 ****************************************************************/
265
266 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
267 struct libnet_UnjoinCtx *r)
268 {
269 ADS_STATUS status;
270
271 if (!r->in.ads) {
272 return libnet_unjoin_connect_ads(mem_ctx, r);
273 }
274
275 status = ads_leave_realm(r->in.ads, r->in.machine_name);
276 if (!ADS_ERR_OK(status)) {
277 libnet_unjoin_set_error_string(mem_ctx, r,
278 "failed to leave realm: %s",
279 ads_errstr(status));
280 return status;
281 }
282
283 return ADS_SUCCESS;
284 }
285
286 /****************************************************************
287 ****************************************************************/
288
289 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
290 struct libnet_JoinCtx *r)
291 {
292 ADS_STATUS status;
293 LDAPMessage *res = NULL;
294 char *dn = NULL;
295
296 if (!r->in.machine_name) {
297 return ADS_ERROR(LDAP_NO_MEMORY);
298 }
299
300 status = ads_find_machine_acct(r->in.ads,
301 &res,
302 r->in.machine_name);
303 if (!ADS_ERR_OK(status)) {
304 return status;
305 }
306
307 if (ads_count_replies(r->in.ads, res) != 1) {
308 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
309 goto done;
310 }
311
312 dn = ads_get_dn(r->in.ads, res);
313 if (!dn) {
314 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
315 goto done;
316 }
317
318 r->out.dn = talloc_strdup(mem_ctx, dn);
319 if (!r->out.dn) {
320 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
321 goto done;
322 }
323
324 done:
325 ads_msgfree(r->in.ads, res);
326 ads_memfree(r->in.ads, dn);
327
328 return status;
329 }
330
331 /****************************************************************
332 Set a machines dNSHostName and servicePrincipalName attributes
333 ****************************************************************/
334
335 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
336 struct libnet_JoinCtx *r)
337 {
338 ADS_STATUS status;
339 ADS_MODLIST mods;
340 fstring my_fqdn;
341 const char *spn_array[3] = {NULL, NULL, NULL};
342 char *spn = NULL;
343
344 /* Find our DN */
345
346 status = libnet_join_find_machine_acct(mem_ctx, r);
347 if (!ADS_ERR_OK(status)) {
348 return status;
349 }
350
351 /* Windows only creates HOST/shortname & HOST/fqdn. */
352
353 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
354 if (!spn) {
355 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
356 }
357 strupper_m(spn);
358 spn_array[0] = spn;
359
360 if (name_to_fqdn(my_fqdn, r->in.machine_name) &&
361 !strequal(my_fqdn, r->in.machine_name)) {
362
363 strlower_m(my_fqdn);
364 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
365 if (!spn) {
366 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
367 }
368 spn_array[1] = spn;
369 }
370
371 mods = ads_init_mods(mem_ctx);
372 if (!mods) {
373 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
374 }
375
376 /* fields of primary importance */
377
378 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
379 if (!ADS_ERR_OK(status)) {
380 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
381 }
382
383 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
384 spn_array);
385 if (!ADS_ERR_OK(status)) {
386 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
387 }
388
389 return ads_gen_mod(r->in.ads, r->out.dn, mods);
390 }
391
392 /****************************************************************
393 ****************************************************************/
394
395 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
396 struct libnet_JoinCtx *r)
397 {
398 ADS_STATUS status;
399 ADS_MODLIST mods;
400
401 if (!r->in.create_upn) {
402 return ADS_SUCCESS;
403 }
404
405 /* Find our DN */
406
407 status = libnet_join_find_machine_acct(mem_ctx, r);
408 if (!ADS_ERR_OK(status)) {
409 return status;
410 }
411
412 if (!r->in.upn) {
413 r->in.upn = talloc_asprintf(mem_ctx,
414 "host/%s@%s",
415 r->in.machine_name,
416 r->out.dns_domain_name);
417 if (!r->in.upn) {
418 return ADS_ERROR(LDAP_NO_MEMORY);
419 }
420 }
421
422 /* now do the mods */
423
424 mods = ads_init_mods(mem_ctx);
425 if (!mods) {
426 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
427 }
428
429 /* fields of primary importance */
430
431 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
432 if (!ADS_ERR_OK(status)) {
433 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
434 }
435
436 return ads_gen_mod(r->in.ads, r->out.dn, mods);
437 }
438
439
440 /****************************************************************
441 ****************************************************************/
442
443 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
444 struct libnet_JoinCtx *r)
445 {
446 ADS_STATUS status;
447 ADS_MODLIST mods;
448 char *os_sp = NULL;
449
450 if (!r->in.os_name || !r->in.os_version ) {
451 return ADS_SUCCESS;
452 }
453
454 /* Find our DN */
455
456 status = libnet_join_find_machine_acct(mem_ctx, r);
457 if (!ADS_ERR_OK(status)) {
458 return status;
459 }
460
461 /* now do the mods */
462
463 mods = ads_init_mods(mem_ctx);
464 if (!mods) {
465 return ADS_ERROR(LDAP_NO_MEMORY);
466 }
467
468 os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
469 if (!os_sp) {
470 return ADS_ERROR(LDAP_NO_MEMORY);
471 }
472
473 /* fields of primary importance */
474
475 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
476 r->in.os_name);
477 if (!ADS_ERR_OK(status)) {
478 return status;
479 }
480
481 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
482 r->in.os_version);
483 if (!ADS_ERR_OK(status)) {
484 return status;
485 }
486
487 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
488 os_sp);
489 if (!ADS_ERR_OK(status)) {
490 return status;
491 }
492
493 return ads_gen_mod(r->in.ads, r->out.dn, mods);
494 }
495
496 /****************************************************************
497 ****************************************************************/
498
499 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
500 struct libnet_JoinCtx *r)
501 {
502 if (!lp_use_kerberos_keytab()) {
503 return true;
504 }
505
506 if (ads_keytab_create_default(r->in.ads) != 0) {
507 return false;
508 }
509
510 return true;
511 }
512
513 /****************************************************************
514 ****************************************************************/
515
516 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
517 struct libnet_JoinCtx *r)
518 {
519 uint32_t domain_func;
520 ADS_STATUS status;
521 const char *salt = NULL;
522 char *std_salt = NULL;
523
524 status = ads_domain_func_level(r->in.ads, &domain_func);
525 if (!ADS_ERR_OK(status)) {
526 libnet_join_set_error_string(mem_ctx, r,
527 "failed to determine domain functional level: %s",
528 ads_errstr(status));
529 return false;
530 }
531
532 /* go ahead and setup the default salt */
533
534 std_salt = kerberos_standard_des_salt();
535 if (!std_salt) {
536 libnet_join_set_error_string(mem_ctx, r,
537 "failed to obtain standard DES salt");
538 return false;
539 }
540
541 salt = talloc_strdup(mem_ctx, std_salt);
542 if (!salt) {
543 return false;
544 }
545
546 SAFE_FREE(std_salt);
547
548 /* if it's a Windows functional domain, we have to look for the UPN */
549
550 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
551 char *upn;
552
553 upn = ads_get_upn(r->in.ads, mem_ctx,
554 r->in.machine_name);
555 if (upn) {
556 salt = talloc_strdup(mem_ctx, upn);
557 if (!salt) {
558 return false;
559 }
560 }
561 }
562
563 return kerberos_secrets_store_des_salt(salt);
564 }
565
566 /****************************************************************
567 ****************************************************************/
568
569 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
570 struct libnet_JoinCtx *r)
571 {
572 ADS_STATUS status;
573
574 if (!r->in.ads) {
575 status = libnet_join_connect_ads(mem_ctx, r);
576 if (!ADS_ERR_OK(status)) {
577 return status;
578 }
579 }
580
581 status = libnet_join_set_machine_spn(mem_ctx, r);
582 if (!ADS_ERR_OK(status)) {
583 libnet_join_set_error_string(mem_ctx, r,
584 "failed to set machine spn: %s",
585 ads_errstr(status));
586 return status;
587 }
588
589 status = libnet_join_set_os_attributes(mem_ctx, r);
590 if (!ADS_ERR_OK(status)) {
591 libnet_join_set_error_string(mem_ctx, r,
592 "failed to set machine os attributes: %s",
593 ads_errstr(status));
594 return status;
595 }
596
597 status = libnet_join_set_machine_upn(mem_ctx, r);
598 if (!ADS_ERR_OK(status)) {
599 libnet_join_set_error_string(mem_ctx, r,
600 "failed to set machine upn: %s",
601 ads_errstr(status));
602 return status;
603 }
604
605 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
606 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
607 }
608
609 if (!libnet_join_create_keytab(mem_ctx, r)) {
610 libnet_join_set_error_string(mem_ctx, r,
611 "failed to create kerberos keytab");
612 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
613 }
614
615 return ADS_SUCCESS;
616 }
617 #endif /* WITH_ADS */
618
619 /****************************************************************
620 Store the machine password and domain SID
621 ****************************************************************/
622
623 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
624 struct libnet_JoinCtx *r)
625 {
626 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
627 r->out.domain_sid))
628 {
629 DEBUG(1,("Failed to save domain sid\n"));
630 return false;
631 }
632
633 if (!secrets_store_machine_password(r->in.machine_password,
634 r->out.netbios_domain_name,
635 r->in.secure_channel_type))
636 {
637 DEBUG(1,("Failed to save machine password\n"));
638 return false;
639 }
640
641 return true;
642 }
643
644 /****************************************************************
645 Lookup domain dc's info
646 ****************************************************************/
647
648 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
649 struct libnet_JoinCtx *r,
650 struct cli_state **cli)
651 {
652 struct rpc_pipe_client *pipe_hnd = NULL;
653 POLICY_HND lsa_pol;
654 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
655 union lsa_PolicyInformation *info = NULL;
656
657 status = cli_full_connection(cli, NULL,
658 r->in.dc_name,
659 NULL, 0,
660 "IPC$", "IPC",
661 r->in.admin_account,
662 NULL,
663 r->in.admin_password,
664 0,
665 Undefined, NULL);
666
667 if (!NT_STATUS_IS_OK(status)) {
668 goto done;
669 }
670
671 pipe_hnd = cli_rpc_pipe_open_noauth(*cli, PI_LSARPC, &status);
672 if (!pipe_hnd) {
673 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
674 nt_errstr(status)));
675 goto done;
676 }
677
678 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
679 SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
680 if (!NT_STATUS_IS_OK(status)) {
681 goto done;
682 }
683
684 status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
685 &lsa_pol,
686 LSA_POLICY_INFO_DNS,
687 &info);
688 if (NT_STATUS_IS_OK(status)) {
689 r->out.domain_is_ad = true;
690 r->out.netbios_domain_name = info->dns.name.string;
691 r->out.dns_domain_name = info->dns.dns_domain.string;
692 r->out.forest_name = info->dns.dns_forest.string;
693 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
694 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
695 }
696
697 if (!NT_STATUS_IS_OK(status)) {
698 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
699 &lsa_pol,
700 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
701 &info);
702 if (!NT_STATUS_IS_OK(status)) {
703 goto done;
704 }
705
706 r->out.netbios_domain_name = info->account_domain.name.string;
707 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
708 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
709 }
710
711 rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
712 TALLOC_FREE(pipe_hnd);
713
714 done:
715 return status;
716 }
717
718 /****************************************************************
719 Do the domain join
720 ****************************************************************/
721
722 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
723 struct libnet_JoinCtx *r,
724 struct cli_state *cli)
725 {
726 struct rpc_pipe_client *pipe_hnd = NULL;
727 POLICY_HND sam_pol, domain_pol, user_pol;
728 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
729 char *acct_name;
730 struct lsa_String lsa_acct_name;
731 uint32_t user_rid;
732 uint32_t acct_flags = ACB_WSTRUST;
733 uchar pwbuf[532];
734 struct MD5Context md5ctx;
735 uchar md5buffer[16];
736 DATA_BLOB digested_session_key;
737 uchar md4_trust_password[16];
738 struct samr_Ids user_rids;
739 struct samr_Ids name_types;
740 union samr_UserInfo user_info;
741
742 ZERO_STRUCT(sam_pol);
743 ZERO_STRUCT(domain_pol);
744 ZERO_STRUCT(user_pol);
745
746 if (!r->in.machine_password) {
747 r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
748 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
749 }
750
751 /* Open the domain */
752
753 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
754 if (!pipe_hnd) {
755 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
756 nt_errstr(status)));
757 goto done;
758 }
759
760 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
761 pipe_hnd->desthost,
762 SEC_RIGHTS_MAXIMUM_ALLOWED,
763 &sam_pol);
764 if (!NT_STATUS_IS_OK(status)) {
765 goto done;
766 }
767
768 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
769 &sam_pol,
770 SEC_RIGHTS_MAXIMUM_ALLOWED,
771 r->out.domain_sid,
772 &domain_pol);
773 if (!NT_STATUS_IS_OK(status)) {
774 goto done;
775 }
776
777 /* Create domain user */
778
779 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
780 strlower_m(acct_name);
781
782 init_lsa_String(&lsa_acct_name, acct_name);
783
784 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
785 uint32_t access_desired =
786 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
787 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
788 SAMR_USER_ACCESS_SET_PASSWORD |
789 SAMR_USER_ACCESS_GET_ATTRIBUTES |
790 SAMR_USER_ACCESS_SET_ATTRIBUTES;
791 uint32_t access_granted = 0;
792
793 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
794
795 DEBUG(10,("Creating account with desired access mask: %d\n",
796 access_desired));
797
798 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
799 &domain_pol,
800 &lsa_acct_name,
801 ACB_WSTRUST,
802 access_desired,
803 &user_pol,
804 &access_granted,
805 &user_rid);
806 if (!NT_STATUS_IS_OK(status) &&
807 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
808
809 DEBUG(10,("Creation of workstation account failed: %s\n",
810 nt_errstr(status)));
811
812 /* If NT_STATUS_ACCESS_DENIED then we have a valid
813 username/password combo but the user does not have
814 administrator access. */
815
816 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
817 libnet_join_set_error_string(mem_ctx, r,
818 "User specified does not have "
819 "administrator privileges");
820 }
821
822 goto done;
823 }
824
825 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
826 if (!(r->in.join_flags &
827 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
828 goto done;
829 }
830 }
831
832 /* We *must* do this.... don't ask... */
833
834 if (NT_STATUS_IS_OK(status)) {
835 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
836 }
837 }
838
839 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
840 &domain_pol,
841 1,
842 &lsa_acct_name,
843 &user_rids,
844 &name_types);
845 if (!NT_STATUS_IS_OK(status)) {
846 goto done;
847 }
848
849 if (name_types.ids[0] != SID_NAME_USER) {
850 DEBUG(0,("%s is not a user account (type=%d)\n",
851 acct_name, name_types.ids[0]));
852 status = NT_STATUS_INVALID_WORKSTATION;
853 goto done;
854 }
855
856 user_rid = user_rids.ids[0];
857
858 /* Open handle on user */
859
860 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
861 &domain_pol,
862 SEC_RIGHTS_MAXIMUM_ALLOWED,
863 user_rid,
864 &user_pol);
865 if (!NT_STATUS_IS_OK(status)) {
866 goto done;
867 }
868
869 /* Create a random machine account password and generate the hash */
870
871 E_md4hash(r->in.machine_password, md4_trust_password);
872 encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
873
874 generate_random_buffer((uint8_t*)md5buffer, sizeof(md5buffer));
875 digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
876
877 MD5Init(&md5ctx);
878 MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
879 MD5Update(&md5ctx, cli->user_session_key.data,
880 cli->user_session_key.length);
881 MD5Final(digested_session_key.data, &md5ctx);
882
883 SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
884 memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
885
886 /* Fill in the additional account flags now */
887
888 acct_flags |= ACB_PWNOEXP;
889 if (r->out.domain_is_ad) {
890 #if !defined(ENCTYPE_ARCFOUR_HMAC)
891 acct_flags |= ACB_USE_DES_KEY_ONLY;
892 #endif
893 ;;
894 }
895
896 /* Set password and account flags on machine account */
897
898 ZERO_STRUCT(user_info.info25);
899
900 user_info.info25.info.fields_present = ACCT_NT_PWD_SET |
901 ACCT_LM_PWD_SET |
902 SAMR_FIELD_ACCT_FLAGS;
903
904 user_info.info25.info.acct_flags = acct_flags;
905 memcpy(&user_info.info25.password.data, pwbuf, sizeof(pwbuf));
906
907 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
908 &user_pol,
909 25,
910 &user_info);
911
912 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
913
914 uchar pwbuf2[516];
915
916 encode_pw_buffer(pwbuf2, r->in.machine_password, STR_UNICODE);
917
918 /* retry with level 24 */
919 init_samr_user_info24(&user_info.info24, pwbuf2, 24);
920
921 SamOEMhashBlob(user_info.info24.password.data, 516,
922 &cli->user_session_key);
923
924 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
925 &user_pol,
926 24,
927 &user_info);
928 }
929
930 if (!NT_STATUS_IS_OK(status)) {
931
932 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
933 &user_pol);
934
935 libnet_join_set_error_string(mem_ctx, r,
936 "Failed to set password for machine account (%s)\n",
937 nt_errstr(status));
938 goto done;
939 }
940
941 status = NT_STATUS_OK;
942
943 done:
944 if (!pipe_hnd) {
945 return status;
946 }
947
948 if (is_valid_policy_hnd(&sam_pol)) {
949 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
950 }
951 if (is_valid_policy_hnd(&domain_pol)) {
952 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
953 }
954 if (is_valid_policy_hnd(&user_pol)) {
955 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
956 }
957 TALLOC_FREE(pipe_hnd);
958
959 return status;
960 }
961
962 /****************************************************************
963 ****************************************************************/
964
965 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
966 const char *machine_name,
967 const char *dc_name)
968 {
969 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
970 struct cli_state *cli = NULL;
971 struct rpc_pipe_client *pipe_hnd = NULL;
972 struct rpc_pipe_client *netlogon_pipe = NULL;
973 NTSTATUS status;
974 char *machine_password = NULL;
975 char *machine_account = NULL;
976
977 if (!dc_name) {
978 return NT_STATUS_INVALID_PARAMETER;
979 }
980
981 if (!secrets_init()) {
982 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
983 }
984
985 machine_password = secrets_fetch_machine_password(netbios_domain_name,
986 NULL, NULL);
987 if (!machine_password) {
988 return NT_STATUS_NO_TRUST_LSA_SECRET;
989 }
990
991 asprintf(&machine_account, "%s$", machine_name);
992 if (!machine_account) {
993 SAFE_FREE(machine_password);
994 return NT_STATUS_NO_MEMORY;
995 }
996
997 status = cli_full_connection(&cli, NULL,
998 dc_name,
999 NULL, 0,
1000 "IPC$", "IPC",
1001 machine_account,
1002 NULL,
1003 machine_password,
1004 0,
1005 Undefined, NULL);
1006 free(machine_account);
1007 free(machine_password);
1008
1009 if (!NT_STATUS_IS_OK(status)) {
1010 status = cli_full_connection(&cli, NULL,
1011 dc_name,
1012 NULL, 0,
1013 "IPC$", "IPC",
1014 "",
1015 NULL,
1016 "",
1017 0,
1018 Undefined, NULL);
1019 }
1020
1021 if (!NT_STATUS_IS_OK(status)) {
1022 return status;
1023 }
1024
1025 netlogon_pipe = get_schannel_session_key(cli,
1026 netbios_domain_name,
1027 &neg_flags, &status);
1028 if (!netlogon_pipe) {
1029 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1030 cli_shutdown(cli);
1031 return NT_STATUS_OK;
1032 }
1033
1034 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1035 "key from server %s for domain %s. Error was %s\n",
1036 cli->desthost, netbios_domain_name, nt_errstr(status)));
1037 cli_shutdown(cli);
1038 return status;
1039 }
1040
1041 if (!lp_client_schannel()) {
1042 cli_shutdown(cli);
1043 return NT_STATUS_OK;
1044 }
1045
1046 pipe_hnd = cli_rpc_pipe_open_schannel_with_key(cli, PI_NETLOGON,
1047 PIPE_AUTH_LEVEL_PRIVACY,
1048 netbios_domain_name,
1049 netlogon_pipe->dc,
1050 &status);
1051
1052 cli_shutdown(cli);
1053
1054 if (!pipe_hnd) {
1055 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1056 "on netlogon pipe to server %s for domain %s. "
1057 "Error was %s\n",
1058 cli->desthost, netbios_domain_name, nt_errstr(status)));
1059 return status;
1060 }
1061
1062 return NT_STATUS_OK;
1063 }
1064
1065 /****************************************************************
1066 ****************************************************************/
1067
1068 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1069 struct libnet_JoinCtx *r)
1070 {
1071 NTSTATUS status;
1072
1073 status = libnet_join_ok(r->out.netbios_domain_name,
1074 r->in.machine_name,
1075 r->in.dc_name);
1076 if (!NT_STATUS_IS_OK(status)) {
1077 libnet_join_set_error_string(mem_ctx, r,
1078 "failed to verify domain membership after joining: %s",
1079 get_friendly_nt_error_msg(status));
1080 return WERR_SETUP_NOT_JOINED;
1081 }
1082
1083 return WERR_OK;
1084 }
1085
1086 /****************************************************************
1087 ****************************************************************/
1088
1089 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1090 struct libnet_UnjoinCtx *r)
1091 {
1092 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1093 return false;
1094 }
1095
1096 if (!secrets_delete_domain_sid(lp_workgroup())) {
1097 return false;
1098 }
1099
1100 return true;
1101 }
1102
1103 /****************************************************************
1104 ****************************************************************/
1105
1106 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1107 struct libnet_UnjoinCtx *r)
1108 {
1109 struct cli_state *cli = NULL;
1110 struct rpc_pipe_client *pipe_hnd = NULL;
1111 POLICY_HND sam_pol, domain_pol, user_pol;
1112 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1113 char *acct_name;
1114 uint32_t user_rid;
1115 struct lsa_String lsa_acct_name;
1116 struct samr_Ids user_rids;
1117 struct samr_Ids name_types;
1118 union samr_UserInfo *info = NULL;
1119
1120 ZERO_STRUCT(sam_pol);
1121 ZERO_STRUCT(domain_pol);
1122 ZERO_STRUCT(user_pol);
1123
1124 status = cli_full_connection(&cli, NULL,
1125 r->in.dc_name,
1126 NULL, 0,
1127 "IPC$", "IPC",
1128 r->in.admin_account,
1129 NULL,
1130 r->in.admin_password,
1131 0, Undefined, NULL);
1132
1133 if (!NT_STATUS_IS_OK(status)) {
1134 goto done;
1135 }
1136
1137 /* Open the domain */
1138
1139 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
1140 if (!pipe_hnd) {
1141 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1142 nt_errstr(status)));
1143 goto done;
1144 }
1145
1146 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1147 pipe_hnd->desthost,
1148 SEC_RIGHTS_MAXIMUM_ALLOWED,
1149 &sam_pol);
1150 if (!NT_STATUS_IS_OK(status)) {
1151 goto done;
1152 }
1153
1154 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1155 &sam_pol,
1156 SEC_RIGHTS_MAXIMUM_ALLOWED,
1157 r->in.domain_sid,
1158 &domain_pol);
1159 if (!NT_STATUS_IS_OK(status)) {
1160 goto done;
1161 }
1162
1163 /* Create domain user */
1164
1165 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1166 strlower_m(acct_name);
1167
1168 init_lsa_String(&lsa_acct_name, acct_name);
1169
1170 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1171 &domain_pol,
1172 1,
1173 &lsa_acct_name,
1174 &user_rids,
1175 &name_types);
1176
1177 if (!NT_STATUS_IS_OK(status)) {
1178 goto done;
1179 }
1180
1181 if (name_types.ids[0] != SID_NAME_USER) {
1182 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1183 name_types.ids[0]));
1184 status = NT_STATUS_INVALID_WORKSTATION;
1185 goto done;
1186 }
1187
1188 user_rid = user_rids.ids[0];
1189
1190 /* Open handle on user */
1191
1192 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1193 &domain_pol,
1194 SEC_RIGHTS_MAXIMUM_ALLOWED,
1195 user_rid,
1196 &user_pol);
1197 if (!NT_STATUS_IS_OK(status)) {
1198 goto done;
1199 }
1200
1201 /* Get user info */
1202
1203 status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1204 &user_pol,
1205 16,
1206 &info);
1207 if (!NT_STATUS_IS_OK(status)) {
1208 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1209 goto done;
1210 }
1211
1212 /* now disable and setuser info */
1213
1214 info->info16.acct_flags |= ACB_DISABLED;
1215
1216 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1217 &user_pol,
1218 16,
1219 info);
1220
1221 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1222
1223 done:
1224 if (pipe_hnd) {
1225 if (is_valid_policy_hnd(&domain_pol)) {
1226 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1227 }
1228 if (is_valid_policy_hnd(&sam_pol)) {
1229 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1230 }
1231 TALLOC_FREE(pipe_hnd);
1232 }
1233
1234 if (cli) {
1235 cli_shutdown(cli);
1236 }
1237
1238 return status;
1239 }
1240
1241 /****************************************************************
1242 ****************************************************************/
1243
1244 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1245 {
1246 WERROR werr;
1247 struct smbconf_ctx *ctx;
1248
1249 werr = smbconf_init_reg(r, &ctx, NULL);
1250 if (!W_ERROR_IS_OK(werr)) {
1251 goto done;
1252 }
1253
1254 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1255
1256 werr = smbconf_set_global_parameter(ctx, "security", "user");
1257 W_ERROR_NOT_OK_GOTO_DONE(werr);
1258
1259 werr = smbconf_set_global_parameter(ctx, "workgroup",
1260 r->in.domain_name);
1261
1262 smbconf_delete_global_parameter(ctx, "realm");
1263 goto done;
1264 }
1265
1266 werr = smbconf_set_global_parameter(ctx, "security", "domain");
1267 W_ERROR_NOT_OK_GOTO_DONE(werr);
1268
1269 werr = smbconf_set_global_parameter(ctx, "workgroup",
1270 r->out.netbios_domain_name);
1271 W_ERROR_NOT_OK_GOTO_DONE(werr);
1272
1273 if (r->out.domain_is_ad) {
1274 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1275 W_ERROR_NOT_OK_GOTO_DONE(werr);
1276
1277 werr = smbconf_set_global_parameter(ctx, "realm",
1278 r->out.dns_domain_name);
1279 W_ERROR_NOT_OK_GOTO_DONE(werr);
1280 }
1281
1282 done:
1283 smbconf_shutdown(ctx);
1284 return werr;
1285 }
1286
1287 /****************************************************************
1288 ****************************************************************/
1289
1290 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1291 {
1292 WERROR werr = WERR_OK;
1293 struct smbconf_ctx *ctx;
1294
1295 werr = smbconf_init_reg(r, &ctx, NULL);
1296 if (!W_ERROR_IS_OK(werr)) {
1297 goto done;
1298 }
1299
1300 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1301
1302 werr = smbconf_set_global_parameter(ctx, "security", "user");
1303 W_ERROR_NOT_OK_GOTO_DONE(werr);
1304
1305 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1306 W_ERROR_NOT_OK_GOTO_DONE(werr);
1307
1308 smbconf_delete_global_parameter(ctx, "realm");
1309 }
1310
1311 done:
1312 smbconf_shutdown(ctx);
1313 return werr;
1314 }
1315
1316 /****************************************************************
1317 ****************************************************************/
1318
1319 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1320 {
1321 WERROR werr;
1322
1323 if (!W_ERROR_IS_OK(r->out.result)) {
1324 return r->out.result;
1325 }
1326
1327 if (!r->in.modify_config) {
1328 return WERR_OK;
1329 }
1330
1331 werr = do_join_modify_vals_config(r);
1332 if (!W_ERROR_IS_OK(werr)) {
1333 return werr;
1334 }
1335
1336 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1337
1338 r->out.modified_config = true;
1339 r->out.result = werr;
1340
1341 return werr;
1342 }
1343
1344 /****************************************************************
1345 ****************************************************************/
1346
1347 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1348 {
1349 WERROR werr;
1350
1351 if (!W_ERROR_IS_OK(r->out.result)) {
1352 return r->out.result;
1353 }
1354
1355 if (!r->in.modify_config) {
1356 return WERR_OK;
1357 }
1358
1359 werr = do_unjoin_modify_vals_config(r);
1360 if (!W_ERROR_IS_OK(werr)) {
1361 return werr;
1362 }
1363
1364 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1365
1366 r->out.modified_config = true;
1367 r->out.result = werr;
1368
1369 return werr;
1370 }
1371
1372 /****************************************************************
1373 ****************************************************************/
1374
1375 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1376 const char *domain_str,
1377 const char **domain_p,
1378 const char **dc_p)
1379 {
1380 char *domain = NULL;
1381 char *dc = NULL;
1382 const char *p = NULL;
1383
1384 if (!domain_str || !domain_p || !dc_p) {
1385 return false;
1386 }
1387
1388 p = strchr_m(domain_str, '\\');
1389
1390 if (p != NULL) {
1391 domain = talloc_strndup(mem_ctx, domain_str,
1392 PTR_DIFF(p, domain_str));
1393 dc = talloc_strdup(mem_ctx, p+1);
1394 if (!dc) {
1395 return false;
1396 }
1397 } else {
1398 domain = talloc_strdup(mem_ctx, domain_str);
1399 dc = NULL;
1400 }
1401 if (!domain) {
1402 return false;
1403 }
1404
1405 *domain_p = domain;
1406
1407 if (!*dc_p && dc) {
1408 *dc_p = dc;
1409 }
1410
1411 return true;
1412 }
1413
1414 /****************************************************************
1415 ****************************************************************/
1416
1417 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1418 struct libnet_JoinCtx *r)
1419 {
1420 if (!r->in.domain_name) {
1421 libnet_join_set_error_string(mem_ctx, r,
1422 "No domain name defined");
1423 return WERR_INVALID_PARAM;
1424 }
1425
1426 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1427 &r->in.domain_name,
1428 &r->in.dc_name)) {
1429 libnet_join_set_error_string(mem_ctx, r,
1430 "Failed to parse domain name");
1431 return WERR_INVALID_PARAM;
1432 }
1433
1434 if (IS_DC) {
1435 return WERR_SETUP_DOMAIN_CONTROLLER;
1436 }
1437
1438 if (!secrets_init()) {
1439 libnet_join_set_error_string(mem_ctx, r,
1440 "Unable to open secrets database");
1441 return WERR_CAN_NOT_COMPLETE;
1442 }
1443
1444 return WERR_OK;
1445 }
1446
1447 /****************************************************************
1448 ****************************************************************/
1449
1450 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1451 struct libnet_JoinCtx *r)
1452 {
1453 WERROR werr;
1454
1455 if (!W_ERROR_IS_OK(r->out.result)) {
1456 return r->out.result;
1457 }
1458
1459 werr = do_JoinConfig(r);
1460 if (!W_ERROR_IS_OK(werr)) {
1461 return werr;
1462 }
1463
1464 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1465 saf_store(r->in.domain_name, r->in.dc_name);
1466 }
1467
1468 return WERR_OK;
1469 }
1470
1471 /****************************************************************
1472 ****************************************************************/
1473
1474 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1475 {
1476 const char *krb5_cc_env = NULL;
1477
1478 if (r->in.ads) {
1479 ads_destroy(&r->in.ads);
1480 }
1481
1482 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1483 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1484 unsetenv(KRB5_ENV_CCNAME);
1485 }
1486
1487 return 0;
1488 }
1489
1490 /****************************************************************
1491 ****************************************************************/
1492
1493 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1494 {
1495 const char *krb5_cc_env = NULL;
1496
1497 if (r->in.ads) {
1498 ads_destroy(&r->in.ads);
1499 }
1500
1501 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1502 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1503 unsetenv(KRB5_ENV_CCNAME);
1504 }
1505
1506 return 0;
1507 }
1508
1509 /****************************************************************
1510 ****************************************************************/
1511
1512 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1513 struct libnet_JoinCtx **r)
1514 {
1515 struct libnet_JoinCtx *ctx;
1516 const char *krb5_cc_env = NULL;
1517
1518 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1519 if (!ctx) {
1520 return WERR_NOMEM;
1521 }
1522
1523 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1524
1525 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1526 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1527
1528 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1529 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1530 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1531 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1532 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1533 }
1534
1535 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1536
1537 *r = ctx;
1538
1539 return WERR_OK;
1540 }
1541
1542 /****************************************************************
1543 ****************************************************************/
1544
1545 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1546 struct libnet_UnjoinCtx **r)
1547 {
1548 struct libnet_UnjoinCtx *ctx;
1549 const char *krb5_cc_env = NULL;
1550
1551 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1552 if (!ctx) {
1553 return WERR_NOMEM;
1554 }
1555
1556 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1557
1558 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1559 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1560
1561 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1562 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1563 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1564 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1565 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1566 }
1567
1568 *r = ctx;
1569
1570 return WERR_OK;
1571 }
1572
1573 /****************************************************************
1574 ****************************************************************/
1575
1576 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1577 struct libnet_JoinCtx *r)
1578 {
1579 /* check if configuration is already set correctly */
1580
1581 switch (r->out.domain_is_ad) {
1582 case false:
1583 if ((strequal(lp_workgroup(),
1584 r->out.netbios_domain_name)) &&
1585 (lp_security() == SEC_DOMAIN)) {
1586 /* nothing to be done */
1587 return WERR_OK;
1588 }
1589 break;
1590 case true:
1591 if ((strequal(lp_workgroup(),
1592 r->out.netbios_domain_name)) &&
1593 (strequal(lp_realm(),
1594 r->out.dns_domain_name)) &&
1595 ((lp_security() == SEC_ADS) ||
1596 (lp_security() == SEC_DOMAIN))) {
1597 /* nothing to be done */
1598 return WERR_OK;
1599 }
1600 break;
1601 }
1602
1603 /* check if we are supposed to manipulate configuration */
1604
1605 if (!r->in.modify_config) {
1606 libnet_join_set_error_string(mem_ctx, r,
1607 "Invalid configuration and configuration modification "
1608 "was not requested");
1609 return WERR_CAN_NOT_COMPLETE;
1610 }
1611
1612 /* check if we are able to manipulate configuration */
1613
1614 if (!lp_config_backend_is_registry()) {
1615 libnet_join_set_error_string(mem_ctx, r,
1616 "Configuration manipulation requested but not "
1617 "supported by backend");
1618 return WERR_NOT_SUPPORTED;
1619 }
1620
1621 return WERR_OK;
1622 }
1623
1624 /****************************************************************
1625 ****************************************************************/
1626
1627 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1628 struct libnet_JoinCtx *r)
1629 {
1630 NTSTATUS status;
1631 WERROR werr;
1632 struct cli_state *cli = NULL;
1633 #ifdef WITH_ADS
1634 ADS_STATUS ads_status;
1635 #endif /* WITH_ADS */
1636
1637 if (!r->in.dc_name) {
1638 struct netr_DsRGetDCNameInfo *info;
1639 const char *dc;
1640 status = dsgetdcname(mem_ctx,
1641 r->in.msg_ctx,
1642 r->in.domain_name,
1643 NULL,
1644 NULL,
1645 DS_DIRECTORY_SERVICE_REQUIRED |
1646 DS_WRITABLE_REQUIRED |
1647 DS_RETURN_DNS_NAME,
1648 &info);
1649 if (!NT_STATUS_IS_OK(status)) {
1650 libnet_join_set_error_string(mem_ctx, r,
1651 "failed to find DC for domain %s",
1652 r->in.domain_name,
1653 get_friendly_nt_error_msg(status));
1654 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1655 }
1656
1657 dc = strip_hostname(info->dc_unc);
1658 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1659 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1660 }
1661
1662 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1663 if (!NT_STATUS_IS_OK(status)) {
1664 libnet_join_set_error_string(mem_ctx, r,
1665 "failed to lookup DC info for domain '%s' over rpc: %s",
1666 r->in.domain_name, get_friendly_nt_error_msg(status));
1667 return ntstatus_to_werror(status);
1668 }
1669
1670 werr = libnet_join_check_config(mem_ctx, r);
1671 if (!W_ERROR_IS_OK(werr)) {
1672 goto done;
1673 }
1674
1675 #ifdef WITH_ADS
1676 if (r->out.domain_is_ad && r->in.account_ou) {
1677
1678 ads_status = libnet_join_connect_ads(mem_ctx, r);
1679 if (!ADS_ERR_OK(ads_status)) {
1680 return WERR_DEFAULT_JOIN_REQUIRED;
1681 }
1682
1683 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1684 if (!ADS_ERR_OK(ads_status)) {
1685 libnet_join_set_error_string(mem_ctx, r,
1686 "failed to precreate account in ou %s: %s",
1687 r->in.account_ou,
1688 ads_errstr(ads_status));
1689 return WERR_DEFAULT_JOIN_REQUIRED;
1690 }
1691
1692 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1693 }
1694 #endif /* WITH_ADS */
1695
1696 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1697 if (!NT_STATUS_IS_OK(status)) {
1698 libnet_join_set_error_string(mem_ctx, r,
1699 "failed to join domain '%s' over rpc: %s",
1700 r->in.domain_name, get_friendly_nt_error_msg(status));
1701 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1702 return WERR_SETUP_ALREADY_JOINED;
1703 }
1704 werr = ntstatus_to_werror(status);
1705 goto done;
1706 }
1707
1708 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1709 werr = WERR_SETUP_NOT_JOINED;
1710 goto done;
1711 }
1712
1713 #ifdef WITH_ADS
1714 if (r->out.domain_is_ad) {
1715 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1716 if (!ADS_ERR_OK(ads_status)) {
1717 werr = WERR_GENERAL_FAILURE;
1718 goto done;
1719 }
1720 }
1721 #endif /* WITH_ADS */
1722
1723 werr = WERR_OK;
1724
1725 done:
1726 if (cli) {
1727 cli_shutdown(cli);
1728 }
1729
1730 return werr;
1731 }
1732
1733 /****************************************************************
1734 ****************************************************************/
1735
1736 WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1737 struct libnet_JoinCtx *r)
1738 {
1739 WERROR werr;
1740 struct libnet_UnjoinCtx *u = NULL;
1741
1742 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1743 if (!W_ERROR_IS_OK(werr)) {
1744 return werr;
1745 }
1746
1747 u->in.debug = r->in.debug;
1748 u->in.dc_name = r->in.dc_name;
1749 u->in.domain_name = r->in.domain_name;
1750 u->in.admin_account = r->in.admin_account;
1751 u->in.admin_password = r->in.admin_password;
1752 u->in.modify_config = r->in.modify_config;
1753 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1754 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1755
1756 werr = libnet_Unjoin(mem_ctx, u);
1757 TALLOC_FREE(u);
1758
1759 return werr;
1760 }
1761
1762 /****************************************************************
1763 ****************************************************************/
1764
1765 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1766 struct libnet_JoinCtx *r)
1767 {
1768 WERROR werr;
1769
1770 if (r->in.debug) {
1771 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1772 }
1773
1774 werr = libnet_join_pre_processing(mem_ctx, r);
1775 if (!W_ERROR_IS_OK(werr)) {
1776 goto done;
1777 }
1778
1779 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1780 werr = libnet_DomainJoin(mem_ctx, r);
1781 if (!W_ERROR_IS_OK(werr)) {
1782 goto done;
1783 }
1784 }
1785
1786 werr = libnet_join_post_processing(mem_ctx, r);
1787 if (!W_ERROR_IS_OK(werr)) {
1788 goto done;
1789 }
1790
1791 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1792 werr = libnet_join_post_verify(mem_ctx, r);
1793 if (!W_ERROR_IS_OK(werr)) {
1794 libnet_join_rollback(mem_ctx, r);
1795 }
1796 }
1797
1798 done:
1799 r->out.result = werr;
1800
1801 if (r->in.debug) {
1802 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1803 }
1804 return werr;
1805 }
1806
1807 /****************************************************************
1808 ****************************************************************/
1809
1810 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1811 struct libnet_UnjoinCtx *r)
1812 {
1813 NTSTATUS status;
1814
1815 if (!r->in.domain_sid) {
1816 struct dom_sid sid;
1817 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1818 libnet_unjoin_set_error_string(mem_ctx, r,
1819 "Unable to fetch domain sid: are we joined?");
1820 return WERR_SETUP_NOT_JOINED;
1821 }
1822 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1823 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1824 }
1825
1826 if (!r->in.dc_name) {
1827 struct netr_DsRGetDCNameInfo *info;
1828 const char *dc;
1829 status = dsgetdcname(mem_ctx,
1830 r->in.msg_ctx,
1831 r->in.domain_name,
1832 NULL,
1833 NULL,
1834 DS_DIRECTORY_SERVICE_REQUIRED |
1835 DS_WRITABLE_REQUIRED |
1836 DS_RETURN_DNS_NAME,
1837 &info);
1838 if (!NT_STATUS_IS_OK(status)) {
1839 libnet_unjoin_set_error_string(mem_ctx, r,
1840 "failed to find DC for domain %s",
1841 r->in.domain_name,
1842 get_friendly_nt_error_msg(status));
1843 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1844 }
1845
1846 dc = strip_hostname(info->dc_unc);
1847 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1848 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1849 }
1850
1851 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1852 if (!NT_STATUS_IS_OK(status)) {
1853 libnet_unjoin_set_error_string(mem_ctx, r,
1854 "failed to disable machine account via rpc: %s",
1855 get_friendly_nt_error_msg(status));
1856 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1857 return WERR_SETUP_NOT_JOINED;
1858 }
1859 return ntstatus_to_werror(status);
1860 }
1861
1862 r->out.disabled_machine_account = true;
1863
1864 #ifdef WITH_ADS
1865 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1866 ADS_STATUS ads_status;
1867 libnet_unjoin_connect_ads(mem_ctx, r);
1868 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1869 if (!ADS_ERR_OK(ads_status)) {
1870 libnet_unjoin_set_error_string(mem_ctx, r,
1871 "failed to remove machine account from AD: %s",
1872 ads_errstr(ads_status));
1873 } else {
1874 r->out.deleted_machine_account = true;
1875 /* dirty hack */
1876 r->out.dns_domain_name = talloc_strdup(mem_ctx,
1877 r->in.ads->server.realm);
1878 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1879 }
1880 }
1881 #endif /* WITH_ADS */
1882
1883 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1884
1885 return WERR_OK;
1886 }
1887
1888 /****************************************************************
1889 ****************************************************************/
1890
1891 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1892 struct libnet_UnjoinCtx *r)
1893 {
1894 if (!r->in.domain_name) {
1895 libnet_unjoin_set_error_string(mem_ctx, r,
1896 "No domain name defined");
1897 return WERR_INVALID_PARAM;
1898 }
1899
1900 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1901 &r->in.domain_name,
1902 &r->in.dc_name)) {
1903 libnet_unjoin_set_error_string(mem_ctx, r,
1904 "Failed to parse domain name");
1905 return WERR_INVALID_PARAM;
1906 }
1907
1908 if (IS_DC) {
1909 return WERR_SETUP_DOMAIN_CONTROLLER;
1910 }
1911
1912 if (!secrets_init()) {
1913 libnet_unjoin_set_error_string(mem_ctx, r,
1914 "Unable to open secrets database");
1915 return WERR_CAN_NOT_COMPLETE;
1916 }
1917
1918 return WERR_OK;
1919 }
1920
1921 /****************************************************************
1922 ****************************************************************/
1923
1924 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
1925 struct libnet_UnjoinCtx *r)
1926 {
1927 saf_delete(r->out.netbios_domain_name);
1928 saf_delete(r->out.dns_domain_name);
1929
1930 return libnet_unjoin_config(r);
1931 }
1932
1933 /****************************************************************
1934 ****************************************************************/
1935
1936 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1937 struct libnet_UnjoinCtx *r)
1938 {
1939 WERROR werr;
1940
1941 if (r->in.debug) {
1942 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1943 }
1944
1945 werr = libnet_unjoin_pre_processing(mem_ctx, r);
1946 if (!W_ERROR_IS_OK(werr)) {
1947 goto done;
1948 }
1949
1950 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1951 werr = libnet_DomainUnjoin(mem_ctx, r);
1952 if (!W_ERROR_IS_OK(werr)) {
1953 libnet_unjoin_config(r);
1954 goto done;
1955 }
1956 }
1957
1958 werr = libnet_unjoin_post_processing(mem_ctx, r);
1959 if (!W_ERROR_IS_OK(werr)) {
1960 goto done;
1961 }
1962
1963 done:
1964 r->out.result = werr;
1965
1966 if (r->in.debug) {
1967 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
1968 }
1969
1970 return werr;
1971 }
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