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s3-libnetjoin: Fix bug #5749. Re-set acctflags while joining. fix from metze.
[Samba.git] / source / libnet / libnet_join.c
blob526a0bdfee7bceee2e73ef77ddd165f380f463ac
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(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 || (strchr(my_fqdn, '.') == NULL)) {
362 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
363 r->out.dns_domain_name);
364 }
365
366 strlower_m(my_fqdn);
367
368 if (!strequal(my_fqdn, r->in.machine_name)) {
369 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
370 if (!spn) {
371 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
372 }
373 spn_array[1] = spn;
374 }
375
376 mods = ads_init_mods(mem_ctx);
377 if (!mods) {
378 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
379 }
380
381 /* fields of primary importance */
382
383 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
384 if (!ADS_ERR_OK(status)) {
385 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
386 }
387
388 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
389 spn_array);
390 if (!ADS_ERR_OK(status)) {
391 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
392 }
393
394 return ads_gen_mod(r->in.ads, r->out.dn, mods);
395 }
396
397 /****************************************************************
398 ****************************************************************/
399
400 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
401 struct libnet_JoinCtx *r)
402 {
403 ADS_STATUS status;
404 ADS_MODLIST mods;
405
406 if (!r->in.create_upn) {
407 return ADS_SUCCESS;
408 }
409
410 /* Find our DN */
411
412 status = libnet_join_find_machine_acct(mem_ctx, r);
413 if (!ADS_ERR_OK(status)) {
414 return status;
415 }
416
417 if (!r->in.upn) {
418 r->in.upn = talloc_asprintf(mem_ctx,
419 "host/%s@%s",
420 r->in.machine_name,
421 r->out.dns_domain_name);
422 if (!r->in.upn) {
423 return ADS_ERROR(LDAP_NO_MEMORY);
424 }
425 }
426
427 /* now do the mods */
428
429 mods = ads_init_mods(mem_ctx);
430 if (!mods) {
431 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
432 }
433
434 /* fields of primary importance */
435
436 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
437 if (!ADS_ERR_OK(status)) {
438 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
439 }
440
441 return ads_gen_mod(r->in.ads, r->out.dn, mods);
442 }
443
444
445 /****************************************************************
446 ****************************************************************/
447
448 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
449 struct libnet_JoinCtx *r)
450 {
451 ADS_STATUS status;
452 ADS_MODLIST mods;
453 char *os_sp = NULL;
454
455 if (!r->in.os_name || !r->in.os_version ) {
456 return ADS_SUCCESS;
457 }
458
459 /* Find our DN */
460
461 status = libnet_join_find_machine_acct(mem_ctx, r);
462 if (!ADS_ERR_OK(status)) {
463 return status;
464 }
465
466 /* now do the mods */
467
468 mods = ads_init_mods(mem_ctx);
469 if (!mods) {
470 return ADS_ERROR(LDAP_NO_MEMORY);
471 }
472
473 os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
474 if (!os_sp) {
475 return ADS_ERROR(LDAP_NO_MEMORY);
476 }
477
478 /* fields of primary importance */
479
480 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
481 r->in.os_name);
482 if (!ADS_ERR_OK(status)) {
483 return status;
484 }
485
486 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
487 r->in.os_version);
488 if (!ADS_ERR_OK(status)) {
489 return status;
490 }
491
492 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
493 os_sp);
494 if (!ADS_ERR_OK(status)) {
495 return status;
496 }
497
498 return ads_gen_mod(r->in.ads, r->out.dn, mods);
499 }
500
501 /****************************************************************
502 ****************************************************************/
503
504 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
505 struct libnet_JoinCtx *r)
506 {
507 if (!lp_use_kerberos_keytab()) {
508 return true;
509 }
510
511 if (ads_keytab_create_default(r->in.ads) != 0) {
512 return false;
513 }
514
515 return true;
516 }
517
518 /****************************************************************
519 ****************************************************************/
520
521 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
522 struct libnet_JoinCtx *r)
523 {
524 uint32_t domain_func;
525 ADS_STATUS status;
526 const char *salt = NULL;
527 char *std_salt = NULL;
528
529 status = ads_domain_func_level(r->in.ads, &domain_func);
530 if (!ADS_ERR_OK(status)) {
531 libnet_join_set_error_string(mem_ctx, r,
532 "failed to determine domain functional level: %s",
533 ads_errstr(status));
534 return false;
535 }
536
537 /* go ahead and setup the default salt */
538
539 std_salt = kerberos_standard_des_salt();
540 if (!std_salt) {
541 libnet_join_set_error_string(mem_ctx, r,
542 "failed to obtain standard DES salt");
543 return false;
544 }
545
546 salt = talloc_strdup(mem_ctx, std_salt);
547 if (!salt) {
548 return false;
549 }
550
551 SAFE_FREE(std_salt);
552
553 /* if it's a Windows functional domain, we have to look for the UPN */
554
555 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
556 char *upn;
557
558 upn = ads_get_upn(r->in.ads, mem_ctx,
559 r->in.machine_name);
560 if (upn) {
561 salt = talloc_strdup(mem_ctx, upn);
562 if (!salt) {
563 return false;
564 }
565 }
566 }
567
568 return kerberos_secrets_store_des_salt(salt);
569 }
570
571 /****************************************************************
572 ****************************************************************/
573
574 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
575 struct libnet_JoinCtx *r)
576 {
577 ADS_STATUS status;
578
579 if (!r->in.ads) {
580 status = libnet_join_connect_ads(mem_ctx, r);
581 if (!ADS_ERR_OK(status)) {
582 return status;
583 }
584 }
585
586 status = libnet_join_set_machine_spn(mem_ctx, r);
587 if (!ADS_ERR_OK(status)) {
588 libnet_join_set_error_string(mem_ctx, r,
589 "failed to set machine spn: %s",
590 ads_errstr(status));
591 return status;
592 }
593
594 status = libnet_join_set_os_attributes(mem_ctx, r);
595 if (!ADS_ERR_OK(status)) {
596 libnet_join_set_error_string(mem_ctx, r,
597 "failed to set machine os attributes: %s",
598 ads_errstr(status));
599 return status;
600 }
601
602 status = libnet_join_set_machine_upn(mem_ctx, r);
603 if (!ADS_ERR_OK(status)) {
604 libnet_join_set_error_string(mem_ctx, r,
605 "failed to set machine upn: %s",
606 ads_errstr(status));
607 return status;
608 }
609
610 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
611 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
612 }
613
614 if (!libnet_join_create_keytab(mem_ctx, r)) {
615 libnet_join_set_error_string(mem_ctx, r,
616 "failed to create kerberos keytab");
617 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
618 }
619
620 return ADS_SUCCESS;
621 }
622 #endif /* WITH_ADS */
623
624 /****************************************************************
625 Store the machine password and domain SID
626 ****************************************************************/
627
628 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
629 struct libnet_JoinCtx *r)
630 {
631 if (!secrets_store_domain_sid(r->out.netbios_domain_name,
632 r->out.domain_sid))
633 {
634 DEBUG(1,("Failed to save domain sid\n"));
635 return false;
636 }
637
638 if (!secrets_store_machine_password(r->in.machine_password,
639 r->out.netbios_domain_name,
640 r->in.secure_channel_type))
641 {
642 DEBUG(1,("Failed to save machine password\n"));
643 return false;
644 }
645
646 return true;
647 }
648
649 /****************************************************************
650 Lookup domain dc's info
651 ****************************************************************/
652
653 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
654 struct libnet_JoinCtx *r,
655 struct cli_state **cli)
656 {
657 struct rpc_pipe_client *pipe_hnd = NULL;
658 POLICY_HND lsa_pol;
659 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
660 union lsa_PolicyInformation *info = NULL;
661
662 status = cli_full_connection(cli, NULL,
663 r->in.dc_name,
664 NULL, 0,
665 "IPC$", "IPC",
666 r->in.admin_account,
667 NULL,
668 r->in.admin_password,
669 0,
670 Undefined, NULL);
671
672 if (!NT_STATUS_IS_OK(status)) {
673 goto done;
674 }
675
676 pipe_hnd = cli_rpc_pipe_open_noauth(*cli, PI_LSARPC, &status);
677 if (!pipe_hnd) {
678 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
679 nt_errstr(status)));
680 goto done;
681 }
682
683 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
684 SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
685 if (!NT_STATUS_IS_OK(status)) {
686 goto done;
687 }
688
689 status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
690 &lsa_pol,
691 LSA_POLICY_INFO_DNS,
692 &info);
693 if (NT_STATUS_IS_OK(status)) {
694 r->out.domain_is_ad = true;
695 r->out.netbios_domain_name = info->dns.name.string;
696 r->out.dns_domain_name = info->dns.dns_domain.string;
697 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
698 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
699 }
700
701 if (!NT_STATUS_IS_OK(status)) {
702 status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
703 &lsa_pol,
704 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
705 &info);
706 if (!NT_STATUS_IS_OK(status)) {
707 goto done;
708 }
709
710 r->out.netbios_domain_name = info->account_domain.name.string;
711 r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
712 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
713 }
714
715 rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
716 cli_rpc_pipe_close(pipe_hnd);
717
718 done:
719 return status;
720 }
721
722 /****************************************************************
723 Do the domain join
724 ****************************************************************/
725
726 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
727 struct libnet_JoinCtx *r,
728 struct cli_state *cli)
729 {
730 struct rpc_pipe_client *pipe_hnd = NULL;
731 POLICY_HND sam_pol, domain_pol, user_pol;
732 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
733 char *acct_name;
734 struct lsa_String lsa_acct_name;
735 uint32_t user_rid;
736 uint32_t acct_flags = ACB_WSTRUST;
737 struct samr_Ids user_rids;
738 struct samr_Ids name_types;
739 union samr_UserInfo user_info;
740
741 struct samr_CryptPassword crypt_pwd;
742 struct samr_CryptPasswordEx crypt_pwd_ex;
743
744 ZERO_STRUCT(sam_pol);
745 ZERO_STRUCT(domain_pol);
746 ZERO_STRUCT(user_pol);
747
748 if (!r->in.machine_password) {
749 r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
750 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
751 }
752
753 /* Open the domain */
754
755 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
756 if (!pipe_hnd) {
757 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
758 nt_errstr(status)));
759 goto done;
760 }
761
762 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
763 pipe_hnd->cli->desthost,
764 SEC_RIGHTS_MAXIMUM_ALLOWED,
765 &sam_pol);
766 if (!NT_STATUS_IS_OK(status)) {
767 goto done;
768 }
769
770 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
771 &sam_pol,
772 SEC_RIGHTS_MAXIMUM_ALLOWED,
773 r->out.domain_sid,
774 &domain_pol);
775 if (!NT_STATUS_IS_OK(status)) {
776 goto done;
777 }
778
779 /* Create domain user */
780
781 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
782 strlower_m(acct_name);
783
784 init_lsa_String(&lsa_acct_name, acct_name);
785
786 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
787 uint32_t access_desired =
788 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
789 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
790 SAMR_USER_ACCESS_SET_PASSWORD |
791 SAMR_USER_ACCESS_GET_ATTRIBUTES |
792 SAMR_USER_ACCESS_SET_ATTRIBUTES;
793 uint32_t access_granted = 0;
794
795 /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
796
797 DEBUG(10,("Creating account with desired access mask: %d\n",
798 access_desired));
799
800 status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
801 &domain_pol,
802 &lsa_acct_name,
803 ACB_WSTRUST,
804 access_desired,
805 &user_pol,
806 &access_granted,
807 &user_rid);
808 if (!NT_STATUS_IS_OK(status) &&
809 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
810
811 DEBUG(10,("Creation of workstation account failed: %s\n",
812 nt_errstr(status)));
813
814 /* If NT_STATUS_ACCESS_DENIED then we have a valid
815 username/password combo but the user does not have
816 administrator access. */
817
818 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
819 libnet_join_set_error_string(mem_ctx, r,
820 "User specified does not have "
821 "administrator privileges");
822 }
823
824 goto done;
825 }
826
827 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
828 if (!(r->in.join_flags &
829 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
830 goto done;
831 }
832 }
833
834 /* We *must* do this.... don't ask... */
835
836 if (NT_STATUS_IS_OK(status)) {
837 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
838 }
839 }
840
841 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
842 &domain_pol,
843 1,
844 &lsa_acct_name,
845 &user_rids,
846 &name_types);
847 if (!NT_STATUS_IS_OK(status)) {
848 goto done;
849 }
850
851 if (name_types.ids[0] != SID_NAME_USER) {
852 DEBUG(0,("%s is not a user account (type=%d)\n",
853 acct_name, name_types.ids[0]));
854 status = NT_STATUS_INVALID_WORKSTATION;
855 goto done;
856 }
857
858 user_rid = user_rids.ids[0];
859
860 /* Open handle on user */
861
862 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
863 &domain_pol,
864 SEC_RIGHTS_MAXIMUM_ALLOWED,
865 user_rid,
866 &user_pol);
867 if (!NT_STATUS_IS_OK(status)) {
868 goto done;
869 }
870
871 /* Fill in the additional account flags now */
872
873 acct_flags |= ACB_PWNOEXP;
874 if (r->out.domain_is_ad) {
875 #if !defined(ENCTYPE_ARCFOUR_HMAC)
876 acct_flags |= ACB_USE_DES_KEY_ONLY;
877 #endif
878 ;;
879 }
880
881 /* Set account flags on machine account */
882 ZERO_STRUCT(user_info.info16);
883 user_info.info16.acct_flags = acct_flags;
884
885 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
886 &user_pol,
887 16,
888 &user_info);
889
890 if (!NT_STATUS_IS_OK(status)) {
891
892 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
893 &user_pol);
894
895 libnet_join_set_error_string(mem_ctx, r,
896 "Failed to set account flags for machine account (%s)\n",
897 nt_errstr(status));
898 goto done;
899 }
900
901 /* Set password on machine account - first try level 26 */
902
903 init_samr_CryptPasswordEx(r->in.machine_password,
904 &cli->user_session_key,
905 &crypt_pwd_ex);
906
907 init_samr_user_info26(&user_info.info26, &crypt_pwd_ex,
908 PASS_DONT_CHANGE_AT_NEXT_LOGON);
909
910 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
911 &user_pol,
912 26,
913 &user_info);
914
915 if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
916
917 /* retry with level 24 */
918
919 init_samr_CryptPassword(r->in.machine_password,
920 &cli->user_session_key,
921 &crypt_pwd);
922
923 init_samr_user_info24(&user_info.info24, &crypt_pwd,
924 PASS_DONT_CHANGE_AT_NEXT_LOGON);
925
926 status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
927 &user_pol,
928 24,
929 &user_info);
930 }
931
932 if (!NT_STATUS_IS_OK(status)) {
933
934 rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
935 &user_pol);
936
937 libnet_join_set_error_string(mem_ctx, r,
938 "Failed to set password for machine account (%s)\n",
939 nt_errstr(status));
940 goto done;
941 }
942
943 status = NT_STATUS_OK;
944
945 done:
946 if (!pipe_hnd) {
947 return status;
948 }
949
950 if (is_valid_policy_hnd(&sam_pol)) {
951 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
952 }
953 if (is_valid_policy_hnd(&domain_pol)) {
954 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
955 }
956 if (is_valid_policy_hnd(&user_pol)) {
957 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
958 }
959 cli_rpc_pipe_close(pipe_hnd);
960
961 return status;
962 }
963
964 /****************************************************************
965 ****************************************************************/
966
967 NTSTATUS libnet_join_ok(const char *netbios_domain_name,
968 const char *machine_name,
969 const char *dc_name)
970 {
971 uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
972 struct cli_state *cli = NULL;
973 struct rpc_pipe_client *pipe_hnd = NULL;
974 struct rpc_pipe_client *netlogon_pipe = NULL;
975 NTSTATUS status;
976 char *machine_password = NULL;
977 char *machine_account = NULL;
978
979 if (!dc_name) {
980 return NT_STATUS_INVALID_PARAMETER;
981 }
982
983 if (!secrets_init()) {
984 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
985 }
986
987 machine_password = secrets_fetch_machine_password(netbios_domain_name,
988 NULL, NULL);
989 if (!machine_password) {
990 return NT_STATUS_NO_TRUST_LSA_SECRET;
991 }
992
993 asprintf(&machine_account, "%s$", machine_name);
994 if (!machine_account) {
995 SAFE_FREE(machine_password);
996 return NT_STATUS_NO_MEMORY;
997 }
998
999 status = cli_full_connection(&cli, NULL,
1000 dc_name,
1001 NULL, 0,
1002 "IPC$", "IPC",
1003 machine_account,
1004 NULL,
1005 machine_password,
1006 0,
1007 Undefined, NULL);
1008 free(machine_account);
1009 free(machine_password);
1010
1011 if (!NT_STATUS_IS_OK(status)) {
1012 status = cli_full_connection(&cli, NULL,
1013 dc_name,
1014 NULL, 0,
1015 "IPC$", "IPC",
1016 "",
1017 NULL,
1018 "",
1019 0,
1020 Undefined, NULL);
1021 }
1022
1023 if (!NT_STATUS_IS_OK(status)) {
1024 return status;
1025 }
1026
1027 netlogon_pipe = get_schannel_session_key(cli,
1028 netbios_domain_name,
1029 &neg_flags, &status);
1030 if (!netlogon_pipe) {
1031 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1032 cli_shutdown(cli);
1033 return NT_STATUS_OK;
1034 }
1035
1036 DEBUG(0,("libnet_join_ok: failed to get schannel session "
1037 "key from server %s for domain %s. Error was %s\n",
1038 cli->desthost, netbios_domain_name, nt_errstr(status)));
1039 cli_shutdown(cli);
1040 return status;
1041 }
1042
1043 if (!lp_client_schannel()) {
1044 cli_shutdown(cli);
1045 return NT_STATUS_OK;
1046 }
1047
1048 pipe_hnd = cli_rpc_pipe_open_schannel_with_key(cli, PI_NETLOGON,
1049 PIPE_AUTH_LEVEL_PRIVACY,
1050 netbios_domain_name,
1051 netlogon_pipe->dc,
1052 &status);
1053
1054 cli_shutdown(cli);
1055
1056 if (!pipe_hnd) {
1057 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1058 "on netlogon pipe to server %s for domain %s. "
1059 "Error was %s\n",
1060 cli->desthost, netbios_domain_name, nt_errstr(status)));
1061 return status;
1062 }
1063
1064 return NT_STATUS_OK;
1065 }
1066
1067 /****************************************************************
1068 ****************************************************************/
1069
1070 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1071 struct libnet_JoinCtx *r)
1072 {
1073 NTSTATUS status;
1074
1075 status = libnet_join_ok(r->out.netbios_domain_name,
1076 r->in.machine_name,
1077 r->in.dc_name);
1078 if (!NT_STATUS_IS_OK(status)) {
1079 libnet_join_set_error_string(mem_ctx, r,
1080 "failed to verify domain membership after joining: %s",
1081 get_friendly_nt_error_msg(status));
1082 return WERR_SETUP_NOT_JOINED;
1083 }
1084
1085 return WERR_OK;
1086 }
1087
1088 /****************************************************************
1089 ****************************************************************/
1090
1091 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1092 struct libnet_UnjoinCtx *r)
1093 {
1094 if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1095 return false;
1096 }
1097
1098 if (!secrets_delete_domain_sid(lp_workgroup())) {
1099 return false;
1100 }
1101
1102 return true;
1103 }
1104
1105 /****************************************************************
1106 ****************************************************************/
1107
1108 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1109 struct libnet_UnjoinCtx *r)
1110 {
1111 struct cli_state *cli = NULL;
1112 struct rpc_pipe_client *pipe_hnd = NULL;
1113 POLICY_HND sam_pol, domain_pol, user_pol;
1114 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1115 char *acct_name;
1116 uint32_t user_rid;
1117 struct lsa_String lsa_acct_name;
1118 struct samr_Ids user_rids;
1119 struct samr_Ids name_types;
1120 union samr_UserInfo *info = NULL;
1121
1122 ZERO_STRUCT(sam_pol);
1123 ZERO_STRUCT(domain_pol);
1124 ZERO_STRUCT(user_pol);
1125
1126 status = cli_full_connection(&cli, NULL,
1127 r->in.dc_name,
1128 NULL, 0,
1129 "IPC$", "IPC",
1130 r->in.admin_account,
1131 NULL,
1132 r->in.admin_password,
1133 0, Undefined, NULL);
1134
1135 if (!NT_STATUS_IS_OK(status)) {
1136 goto done;
1137 }
1138
1139 /* Open the domain */
1140
1141 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
1142 if (!pipe_hnd) {
1143 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1144 nt_errstr(status)));
1145 goto done;
1146 }
1147
1148 status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1149 pipe_hnd->cli->desthost,
1150 SEC_RIGHTS_MAXIMUM_ALLOWED,
1151 &sam_pol);
1152 if (!NT_STATUS_IS_OK(status)) {
1153 goto done;
1154 }
1155
1156 status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1157 &sam_pol,
1158 SEC_RIGHTS_MAXIMUM_ALLOWED,
1159 r->in.domain_sid,
1160 &domain_pol);
1161 if (!NT_STATUS_IS_OK(status)) {
1162 goto done;
1163 }
1164
1165 /* Create domain user */
1166
1167 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1168 strlower_m(acct_name);
1169
1170 init_lsa_String(&lsa_acct_name, acct_name);
1171
1172 status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1173 &domain_pol,
1174 1,
1175 &lsa_acct_name,
1176 &user_rids,
1177 &name_types);
1178
1179 if (!NT_STATUS_IS_OK(status)) {
1180 goto done;
1181 }
1182
1183 if (name_types.ids[0] != SID_NAME_USER) {
1184 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1185 name_types.ids[0]));
1186 status = NT_STATUS_INVALID_WORKSTATION;
1187 goto done;
1188 }
1189
1190 user_rid = user_rids.ids[0];
1191
1192 /* Open handle on user */
1193
1194 status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1195 &domain_pol,
1196 SEC_RIGHTS_MAXIMUM_ALLOWED,
1197 user_rid,
1198 &user_pol);
1199 if (!NT_STATUS_IS_OK(status)) {
1200 goto done;
1201 }
1202
1203 /* Get user info */
1204
1205 status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1206 &user_pol,
1207 16,
1208 &info);
1209 if (!NT_STATUS_IS_OK(status)) {
1210 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1211 goto done;
1212 }
1213
1214 /* now disable and setuser info */
1215
1216 info->info16.acct_flags |= ACB_DISABLED;
1217
1218 status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1219 &user_pol,
1220 16,
1221 info);
1222
1223 rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1224
1225 done:
1226 if (pipe_hnd) {
1227 if (is_valid_policy_hnd(&domain_pol)) {
1228 rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1229 }
1230 if (is_valid_policy_hnd(&sam_pol)) {
1231 rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1232 }
1233 cli_rpc_pipe_close(pipe_hnd);
1234 }
1235
1236 if (cli) {
1237 cli_shutdown(cli);
1238 }
1239
1240 return status;
1241 }
1242
1243 /****************************************************************
1244 ****************************************************************/
1245
1246 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1247 {
1248 WERROR werr;
1249 struct smbconf_ctx *ctx;
1250
1251 werr = smbconf_init_reg(r, &ctx, NULL);
1252 if (!W_ERROR_IS_OK(werr)) {
1253 goto done;
1254 }
1255
1256 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1257
1258 werr = smbconf_set_global_parameter(ctx, "security", "user");
1259 W_ERROR_NOT_OK_GOTO_DONE(werr);
1260
1261 werr = smbconf_set_global_parameter(ctx, "workgroup",
1262 r->in.domain_name);
1263
1264 smbconf_delete_global_parameter(ctx, "realm");
1265 goto done;
1266 }
1267
1268 werr = smbconf_set_global_parameter(ctx, "security", "domain");
1269 W_ERROR_NOT_OK_GOTO_DONE(werr);
1270
1271 werr = smbconf_set_global_parameter(ctx, "workgroup",
1272 r->out.netbios_domain_name);
1273 W_ERROR_NOT_OK_GOTO_DONE(werr);
1274
1275 if (r->out.domain_is_ad) {
1276 werr = smbconf_set_global_parameter(ctx, "security", "ads");
1277 W_ERROR_NOT_OK_GOTO_DONE(werr);
1278
1279 werr = smbconf_set_global_parameter(ctx, "realm",
1280 r->out.dns_domain_name);
1281 W_ERROR_NOT_OK_GOTO_DONE(werr);
1282 }
1283
1284 done:
1285 smbconf_shutdown(ctx);
1286 return werr;
1287 }
1288
1289 /****************************************************************
1290 ****************************************************************/
1291
1292 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1293 {
1294 WERROR werr = WERR_OK;
1295 struct smbconf_ctx *ctx;
1296
1297 werr = smbconf_init_reg(r, &ctx, NULL);
1298 if (!W_ERROR_IS_OK(werr)) {
1299 goto done;
1300 }
1301
1302 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1303
1304 werr = smbconf_set_global_parameter(ctx, "security", "user");
1305 W_ERROR_NOT_OK_GOTO_DONE(werr);
1306
1307 werr = smbconf_delete_global_parameter(ctx, "workgroup");
1308 W_ERROR_NOT_OK_GOTO_DONE(werr);
1309
1310 smbconf_delete_global_parameter(ctx, "realm");
1311 }
1312
1313 done:
1314 smbconf_shutdown(ctx);
1315 return werr;
1316 }
1317
1318 /****************************************************************
1319 ****************************************************************/
1320
1321 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1322 {
1323 WERROR werr;
1324
1325 if (!W_ERROR_IS_OK(r->out.result)) {
1326 return r->out.result;
1327 }
1328
1329 if (!r->in.modify_config) {
1330 return WERR_OK;
1331 }
1332
1333 werr = do_join_modify_vals_config(r);
1334 if (!W_ERROR_IS_OK(werr)) {
1335 return werr;
1336 }
1337
1338 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1339
1340 r->out.modified_config = true;
1341 r->out.result = werr;
1342
1343 return werr;
1344 }
1345
1346 /****************************************************************
1347 ****************************************************************/
1348
1349 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1350 {
1351 WERROR werr;
1352
1353 if (!W_ERROR_IS_OK(r->out.result)) {
1354 return r->out.result;
1355 }
1356
1357 if (!r->in.modify_config) {
1358 return WERR_OK;
1359 }
1360
1361 werr = do_unjoin_modify_vals_config(r);
1362 if (!W_ERROR_IS_OK(werr)) {
1363 return werr;
1364 }
1365
1366 lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1367
1368 r->out.modified_config = true;
1369 r->out.result = werr;
1370
1371 return werr;
1372 }
1373
1374 /****************************************************************
1375 ****************************************************************/
1376
1377 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1378 const char *domain_str,
1379 const char **domain_p,
1380 const char **dc_p)
1381 {
1382 char *domain = NULL;
1383 char *dc = NULL;
1384 const char *p = NULL;
1385
1386 if (!domain_str || !domain_p || !dc_p) {
1387 return false;
1388 }
1389
1390 p = strchr_m(domain_str, '\\');
1391
1392 if (p != NULL) {
1393 domain = talloc_strndup(mem_ctx, domain_str,
1394 PTR_DIFF(p, domain_str));
1395 dc = talloc_strdup(mem_ctx, p+1);
1396 if (!dc) {
1397 return false;
1398 }
1399 } else {
1400 domain = talloc_strdup(mem_ctx, domain_str);
1401 dc = NULL;
1402 }
1403 if (!domain) {
1404 return false;
1405 }
1406
1407 *domain_p = domain;
1408
1409 if (!*dc_p && dc) {
1410 *dc_p = dc;
1411 }
1412
1413 return true;
1414 }
1415
1416 /****************************************************************
1417 ****************************************************************/
1418
1419 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1420 struct libnet_JoinCtx *r)
1421 {
1422 if (!r->in.domain_name) {
1423 libnet_join_set_error_string(mem_ctx, r,
1424 "No domain name defined");
1425 return WERR_INVALID_PARAM;
1426 }
1427
1428 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1429 &r->in.domain_name,
1430 &r->in.dc_name)) {
1431 libnet_join_set_error_string(mem_ctx, r,
1432 "Failed to parse domain name");
1433 return WERR_INVALID_PARAM;
1434 }
1435
1436 if (IS_DC) {
1437 return WERR_SETUP_DOMAIN_CONTROLLER;
1438 }
1439
1440 if (!secrets_init()) {
1441 libnet_join_set_error_string(mem_ctx, r,
1442 "Unable to open secrets database");
1443 return WERR_CAN_NOT_COMPLETE;
1444 }
1445
1446 return WERR_OK;
1447 }
1448
1449 /****************************************************************
1450 ****************************************************************/
1451
1452 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1453 struct libnet_JoinCtx *r)
1454 {
1455 WERROR werr;
1456
1457 if (!W_ERROR_IS_OK(r->out.result)) {
1458 return r->out.result;
1459 }
1460
1461 werr = do_JoinConfig(r);
1462 if (!W_ERROR_IS_OK(werr)) {
1463 return werr;
1464 }
1465
1466 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1467 saf_store(r->in.domain_name, r->in.dc_name);
1468 }
1469
1470 return WERR_OK;
1471 }
1472
1473 /****************************************************************
1474 ****************************************************************/
1475
1476 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1477 {
1478 const char *krb5_cc_env = NULL;
1479
1480 if (r->in.ads) {
1481 ads_destroy(&r->in.ads);
1482 }
1483
1484 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1485 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1486 unsetenv(KRB5_ENV_CCNAME);
1487 }
1488
1489 return 0;
1490 }
1491
1492 /****************************************************************
1493 ****************************************************************/
1494
1495 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1496 {
1497 const char *krb5_cc_env = NULL;
1498
1499 if (r->in.ads) {
1500 ads_destroy(&r->in.ads);
1501 }
1502
1503 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1504 if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1505 unsetenv(KRB5_ENV_CCNAME);
1506 }
1507
1508 return 0;
1509 }
1510
1511 /****************************************************************
1512 ****************************************************************/
1513
1514 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1515 struct libnet_JoinCtx **r)
1516 {
1517 struct libnet_JoinCtx *ctx;
1518 const char *krb5_cc_env = NULL;
1519
1520 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1521 if (!ctx) {
1522 return WERR_NOMEM;
1523 }
1524
1525 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1526
1527 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1528 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1529
1530 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1531 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1532 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1533 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1534 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1535 }
1536
1537 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1538
1539 *r = ctx;
1540
1541 return WERR_OK;
1542 }
1543
1544 /****************************************************************
1545 ****************************************************************/
1546
1547 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1548 struct libnet_UnjoinCtx **r)
1549 {
1550 struct libnet_UnjoinCtx *ctx;
1551 const char *krb5_cc_env = NULL;
1552
1553 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1554 if (!ctx) {
1555 return WERR_NOMEM;
1556 }
1557
1558 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1559
1560 ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1561 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1562
1563 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1564 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
1565 krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1566 W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1567 setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1568 }
1569
1570 *r = ctx;
1571
1572 return WERR_OK;
1573 }
1574
1575 /****************************************************************
1576 ****************************************************************/
1577
1578 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1579 struct libnet_JoinCtx *r)
1580 {
1581 /* check if configuration is already set correctly */
1582
1583 switch (r->out.domain_is_ad) {
1584 case false:
1585 if ((strequal(lp_workgroup(),
1586 r->out.netbios_domain_name)) &&
1587 (lp_security() == SEC_DOMAIN)) {
1588 /* nothing to be done */
1589 return WERR_OK;
1590 }
1591 break;
1592 case true:
1593 if ((strequal(lp_workgroup(),
1594 r->out.netbios_domain_name)) &&
1595 (strequal(lp_realm(),
1596 r->out.dns_domain_name)) &&
1597 ((lp_security() == SEC_ADS) ||
1598 (lp_security() == SEC_DOMAIN))) {
1599 /* nothing to be done */
1600 return WERR_OK;
1601 }
1602 break;
1603 }
1604
1605 /* check if we are supposed to manipulate configuration */
1606
1607 if (!r->in.modify_config) {
1608 libnet_join_set_error_string(mem_ctx, r,
1609 "Invalid configuration and configuration modification "
1610 "was not requested");
1611 return WERR_CAN_NOT_COMPLETE;
1612 }
1613
1614 /* check if we are able to manipulate configuration */
1615
1616 if (!lp_config_backend_is_registry()) {
1617 libnet_join_set_error_string(mem_ctx, r,
1618 "Configuration manipulation requested but not "
1619 "supported by backend");
1620 return WERR_NOT_SUPPORTED;
1621 }
1622
1623 return WERR_OK;
1624 }
1625
1626 /****************************************************************
1627 ****************************************************************/
1628
1629 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1630 struct libnet_JoinCtx *r)
1631 {
1632 NTSTATUS status;
1633 WERROR werr;
1634 struct cli_state *cli = NULL;
1635 #ifdef WITH_ADS
1636 ADS_STATUS ads_status;
1637 #endif /* WITH_ADS */
1638
1639 if (!r->in.dc_name) {
1640 struct netr_DsRGetDCNameInfo *info;
1641 const char *dc;
1642 status = dsgetdcname(mem_ctx,
1643 r->in.msg_ctx,
1644 r->in.domain_name,
1645 NULL,
1646 NULL,
1647 DS_DIRECTORY_SERVICE_REQUIRED |
1648 DS_WRITABLE_REQUIRED |
1649 DS_RETURN_DNS_NAME,
1650 &info);
1651 if (!NT_STATUS_IS_OK(status)) {
1652 libnet_join_set_error_string(mem_ctx, r,
1653 "failed to find DC for domain %s",
1654 r->in.domain_name,
1655 get_friendly_nt_error_msg(status));
1656 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1657 }
1658
1659 dc = strip_hostname(info->dc_unc);
1660 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1661 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1662 }
1663
1664 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1665 if (!NT_STATUS_IS_OK(status)) {
1666 libnet_join_set_error_string(mem_ctx, r,
1667 "failed to lookup DC info for domain '%s' over rpc: %s",
1668 r->in.domain_name, get_friendly_nt_error_msg(status));
1669 return ntstatus_to_werror(status);
1670 }
1671
1672 werr = libnet_join_check_config(mem_ctx, r);
1673 if (!W_ERROR_IS_OK(werr)) {
1674 goto done;
1675 }
1676
1677 #ifdef WITH_ADS
1678 if (r->out.domain_is_ad && r->in.account_ou) {
1679
1680 ads_status = libnet_join_connect_ads(mem_ctx, r);
1681 if (!ADS_ERR_OK(ads_status)) {
1682 return WERR_DEFAULT_JOIN_REQUIRED;
1683 }
1684
1685 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1686 if (!ADS_ERR_OK(ads_status)) {
1687 libnet_join_set_error_string(mem_ctx, r,
1688 "failed to precreate account in ou %s: %s",
1689 r->in.account_ou,
1690 ads_errstr(ads_status));
1691 return WERR_DEFAULT_JOIN_REQUIRED;
1692 }
1693
1694 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1695 }
1696 #endif /* WITH_ADS */
1697
1698 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1699 if (!NT_STATUS_IS_OK(status)) {
1700 libnet_join_set_error_string(mem_ctx, r,
1701 "failed to join domain '%s' over rpc: %s",
1702 r->in.domain_name, get_friendly_nt_error_msg(status));
1703 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1704 return WERR_SETUP_ALREADY_JOINED;
1705 }
1706 werr = ntstatus_to_werror(status);
1707 goto done;
1708 }
1709
1710 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1711 werr = WERR_SETUP_NOT_JOINED;
1712 goto done;
1713 }
1714
1715 #ifdef WITH_ADS
1716 if (r->out.domain_is_ad) {
1717 ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1718 if (!ADS_ERR_OK(ads_status)) {
1719 werr = WERR_GENERAL_FAILURE;
1720 goto done;
1721 }
1722 }
1723 #endif /* WITH_ADS */
1724
1725 werr = WERR_OK;
1726
1727 done:
1728 if (cli) {
1729 cli_shutdown(cli);
1730 }
1731
1732 return werr;
1733 }
1734
1735 /****************************************************************
1736 ****************************************************************/
1737
1738 WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1739 struct libnet_JoinCtx *r)
1740 {
1741 WERROR werr;
1742 struct libnet_UnjoinCtx *u = NULL;
1743
1744 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1745 if (!W_ERROR_IS_OK(werr)) {
1746 return werr;
1747 }
1748
1749 u->in.debug = r->in.debug;
1750 u->in.dc_name = r->in.dc_name;
1751 u->in.domain_name = r->in.domain_name;
1752 u->in.admin_account = r->in.admin_account;
1753 u->in.admin_password = r->in.admin_password;
1754 u->in.modify_config = r->in.modify_config;
1755 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
1756 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1757
1758 werr = libnet_Unjoin(mem_ctx, u);
1759 TALLOC_FREE(u);
1760
1761 return werr;
1762 }
1763
1764 /****************************************************************
1765 ****************************************************************/
1766
1767 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1768 struct libnet_JoinCtx *r)
1769 {
1770 WERROR werr;
1771
1772 if (r->in.debug) {
1773 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1774 }
1775
1776 werr = libnet_join_pre_processing(mem_ctx, r);
1777 if (!W_ERROR_IS_OK(werr)) {
1778 goto done;
1779 }
1780
1781 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1782 werr = libnet_DomainJoin(mem_ctx, r);
1783 if (!W_ERROR_IS_OK(werr)) {
1784 goto done;
1785 }
1786 }
1787
1788 werr = libnet_join_post_processing(mem_ctx, r);
1789 if (!W_ERROR_IS_OK(werr)) {
1790 goto done;
1791 }
1792
1793 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1794 werr = libnet_join_post_verify(mem_ctx, r);
1795 if (!W_ERROR_IS_OK(werr)) {
1796 libnet_join_rollback(mem_ctx, r);
1797 }
1798 }
1799
1800 done:
1801 r->out.result = werr;
1802
1803 if (r->in.debug) {
1804 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1805 }
1806 return werr;
1807 }
1808
1809 /****************************************************************
1810 ****************************************************************/
1811
1812 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1813 struct libnet_UnjoinCtx *r)
1814 {
1815 NTSTATUS status;
1816
1817 if (!r->in.domain_sid) {
1818 struct dom_sid sid;
1819 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1820 libnet_unjoin_set_error_string(mem_ctx, r,
1821 "Unable to fetch domain sid: are we joined?");
1822 return WERR_SETUP_NOT_JOINED;
1823 }
1824 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1825 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1826 }
1827
1828 if (!r->in.dc_name) {
1829 struct netr_DsRGetDCNameInfo *info;
1830 const char *dc;
1831 status = dsgetdcname(mem_ctx,
1832 r->in.msg_ctx,
1833 r->in.domain_name,
1834 NULL,
1835 NULL,
1836 DS_DIRECTORY_SERVICE_REQUIRED |
1837 DS_WRITABLE_REQUIRED |
1838 DS_RETURN_DNS_NAME,
1839 &info);
1840 if (!NT_STATUS_IS_OK(status)) {
1841 libnet_unjoin_set_error_string(mem_ctx, r,
1842 "failed to find DC for domain %s",
1843 r->in.domain_name,
1844 get_friendly_nt_error_msg(status));
1845 return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1846 }
1847
1848 dc = strip_hostname(info->dc_unc);
1849 r->in.dc_name = talloc_strdup(mem_ctx, dc);
1850 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1851 }
1852
1853 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1854 if (!NT_STATUS_IS_OK(status)) {
1855 libnet_unjoin_set_error_string(mem_ctx, r,
1856 "failed to disable machine account via rpc: %s",
1857 get_friendly_nt_error_msg(status));
1858 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1859 return WERR_SETUP_NOT_JOINED;
1860 }
1861 return ntstatus_to_werror(status);
1862 }
1863
1864 r->out.disabled_machine_account = true;
1865
1866 #ifdef WITH_ADS
1867 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1868 ADS_STATUS ads_status;
1869 libnet_unjoin_connect_ads(mem_ctx, r);
1870 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1871 if (!ADS_ERR_OK(ads_status)) {
1872 libnet_unjoin_set_error_string(mem_ctx, r,
1873 "failed to remove machine account from AD: %s",
1874 ads_errstr(ads_status));
1875 } else {
1876 r->out.deleted_machine_account = true;
1877 /* dirty hack */
1878 r->out.dns_domain_name = talloc_strdup(mem_ctx,
1879 r->in.ads->server.realm);
1880 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
1881 }
1882 }
1883 #endif /* WITH_ADS */
1884
1885 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1886
1887 return WERR_OK;
1888 }
1889
1890 /****************************************************************
1891 ****************************************************************/
1892
1893 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1894 struct libnet_UnjoinCtx *r)
1895 {
1896 if (!r->in.domain_name) {
1897 libnet_unjoin_set_error_string(mem_ctx, r,
1898 "No domain name defined");
1899 return WERR_INVALID_PARAM;
1900 }
1901
1902 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1903 &r->in.domain_name,
1904 &r->in.dc_name)) {
1905 libnet_unjoin_set_error_string(mem_ctx, r,
1906 "Failed to parse domain name");
1907 return WERR_INVALID_PARAM;
1908 }
1909
1910 if (IS_DC) {
1911 return WERR_SETUP_DOMAIN_CONTROLLER;
1912 }
1913
1914 if (!secrets_init()) {
1915 libnet_unjoin_set_error_string(mem_ctx, r,
1916 "Unable to open secrets database");
1917 return WERR_CAN_NOT_COMPLETE;
1918 }
1919
1920 return WERR_OK;
1921 }
1922
1923 /****************************************************************
1924 ****************************************************************/
1925
1926 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
1927 struct libnet_UnjoinCtx *r)
1928 {
1929 saf_delete(r->out.netbios_domain_name);
1930 saf_delete(r->out.dns_domain_name);
1931
1932 return libnet_unjoin_config(r);
1933 }
1934
1935 /****************************************************************
1936 ****************************************************************/
1937
1938 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1939 struct libnet_UnjoinCtx *r)
1940 {
1941 WERROR werr;
1942
1943 if (r->in.debug) {
1944 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1945 }
1946
1947 werr = libnet_unjoin_pre_processing(mem_ctx, r);
1948 if (!W_ERROR_IS_OK(werr)) {
1949 goto done;
1950 }
1951
1952 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1953 werr = libnet_DomainUnjoin(mem_ctx, r);
1954 if (!W_ERROR_IS_OK(werr)) {
1955 libnet_unjoin_config(r);
1956 goto done;
1957 }
1958 }
1959
1960 werr = libnet_unjoin_post_processing(mem_ctx, r);
1961 if (!W_ERROR_IS_OK(werr)) {
1962 goto done;
1963 }
1964
1965 done:
1966 r->out.result = werr;
1967
1968 if (r->in.debug) {
1969 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
1970 }
1971
1972 return werr;
1973 }
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