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lib/replace: apply readline -Wstrict-prototypes workaround
[Samba.git] / source3 / libnet / libnet_join.c
blob0595cfe64abca60167e2f30c590ec681c271ca28
1 /*
2 * Unix SMB/CIFS implementation.
3 * libnet Join Support
4 * Copyright (C) Gerald (Jerry) Carter 2006
5 * Copyright (C) Guenther Deschner 2007-2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "ads.h"
23 #include "librpc/gen_ndr/ndr_libnet_join.h"
24 #include "libnet/libnet_join.h"
25 #include "libcli/auth/libcli_auth.h"
26 #include "../librpc/gen_ndr/ndr_samr_c.h"
27 #include "rpc_client/init_samr.h"
28 #include "../librpc/gen_ndr/ndr_lsa_c.h"
29 #include "rpc_client/cli_lsarpc.h"
30 #include "../librpc/gen_ndr/ndr_netlogon.h"
31 #include "rpc_client/cli_netlogon.h"
32 #include "lib/smbconf/smbconf.h"
33 #include "lib/smbconf/smbconf_reg.h"
34 #include "../libds/common/flags.h"
35 #include "secrets.h"
36 #include "rpc_client/init_lsa.h"
37 #include "rpc_client/cli_pipe.h"
38 #include "../libcli/security/security.h"
39 #include "passdb.h"
40 #include "libsmb/libsmb.h"
41 #include "../libcli/smb/smbXcli_base.h"
42 #include "lib/param/loadparm.h"
43 #include "libcli/auth/netlogon_creds_cli.h"
44 #include "auth/credentials/credentials.h"
45 #include "krb5_env.h"
46
47 /****************************************************************
48 ****************************************************************/
49
50 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
51 do { \
52 char *str = NULL; \
53 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
54 DEBUG(1,("libnet_Join:\n%s", str)); \
55 TALLOC_FREE(str); \
56 } while (0)
57
58 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
59 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
60 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
61 LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
62
63 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
64 do { \
65 char *str = NULL; \
66 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
67 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
68 TALLOC_FREE(str); \
69 } while (0)
70
71 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
72 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
73 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
74 LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
75
76 /****************************************************************
77 ****************************************************************/
78
79 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
80 struct libnet_JoinCtx *r,
81 const char *format, ...)
82 PRINTF_ATTRIBUTE(3,4);
83
84 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
85 struct libnet_JoinCtx *r,
86 const char *format, ...)
87 {
88 va_list args;
89
90 if (r->out.error_string) {
91 return;
92 }
93
94 va_start(args, format);
95 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
96 va_end(args);
97 }
98
99 /****************************************************************
100 ****************************************************************/
101
102 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
103 struct libnet_UnjoinCtx *r,
104 const char *format, ...)
105 PRINTF_ATTRIBUTE(3,4);
106
107 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
108 struct libnet_UnjoinCtx *r,
109 const char *format, ...)
110 {
111 va_list args;
112
113 if (r->out.error_string) {
114 return;
115 }
116
117 va_start(args, format);
118 r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
119 va_end(args);
120 }
121
122 #ifdef HAVE_ADS
123
124 /****************************************************************
125 ****************************************************************/
126
127 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
128 const char *netbios_domain_name,
129 const char *dc_name,
130 const char *user_name,
131 const char *password,
132 const char *ccname,
133 ADS_STRUCT **ads)
134 {
135 ADS_STATUS status;
136 ADS_STRUCT *my_ads = NULL;
137 char *cp;
138
139 my_ads = ads_init(dns_domain_name,
140 netbios_domain_name,
141 dc_name);
142 if (!my_ads) {
143 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
144 }
145
146 if (user_name) {
147 SAFE_FREE(my_ads->auth.user_name);
148 my_ads->auth.user_name = SMB_STRDUP(user_name);
149 if ((cp = strchr_m(my_ads->auth.user_name, '@'))!=0) {
150 *cp++ = '\0';
151 SAFE_FREE(my_ads->auth.realm);
152 my_ads->auth.realm = smb_xstrdup(cp);
153 if (!strupper_m(my_ads->auth.realm)) {
154 ads_destroy(&my_ads);
155 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
156 }
157 }
158 }
159
160 if (password) {
161 SAFE_FREE(my_ads->auth.password);
162 my_ads->auth.password = SMB_STRDUP(password);
163 }
164
165 if (ccname != NULL) {
166 SAFE_FREE(my_ads->auth.ccache_name);
167 my_ads->auth.ccache_name = SMB_STRDUP(ccname);
168 setenv(KRB5_ENV_CCNAME, my_ads->auth.ccache_name, 1);
169 }
170
171 status = ads_connect_user_creds(my_ads);
172 if (!ADS_ERR_OK(status)) {
173 ads_destroy(&my_ads);
174 return status;
175 }
176
177 *ads = my_ads;
178 return ADS_SUCCESS;
179 }
180
181 /****************************************************************
182 ****************************************************************/
183
184 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
185 struct libnet_JoinCtx *r,
186 bool use_machine_creds)
187 {
188 ADS_STATUS status;
189 const char *username;
190 const char *password;
191 const char *ccname = NULL;
192
193 if (use_machine_creds) {
194 if (r->in.machine_name == NULL ||
195 r->in.machine_password == NULL) {
196 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
197 }
198 username = talloc_asprintf(mem_ctx, "%s$",
199 r->in.machine_name);
200 if (username == NULL) {
201 return ADS_ERROR(LDAP_NO_MEMORY);
202 }
203 password = r->in.machine_password;
204 ccname = "MEMORY:libnet_join_machine_creds";
205 } else {
206 username = r->in.admin_account;
207 password = r->in.admin_password;
208
209 /*
210 * when r->in.use_kerberos is set to allow "net ads join -k" we
211 * may not override the provided credential cache - gd
212 */
213
214 if (!r->in.use_kerberos) {
215 ccname = "MEMORY:libnet_join_user_creds";
216 }
217 }
218
219 status = libnet_connect_ads(r->out.dns_domain_name,
220 r->out.netbios_domain_name,
221 r->in.dc_name,
222 username,
223 password,
224 ccname,
225 &r->in.ads);
226 if (!ADS_ERR_OK(status)) {
227 libnet_join_set_error_string(mem_ctx, r,
228 "failed to connect to AD: %s",
229 ads_errstr(status));
230 return status;
231 }
232
233 if (!r->out.netbios_domain_name) {
234 r->out.netbios_domain_name = talloc_strdup(mem_ctx,
235 r->in.ads->server.workgroup);
236 ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
237 }
238
239 if (!r->out.dns_domain_name) {
240 r->out.dns_domain_name = talloc_strdup(mem_ctx,
241 r->in.ads->config.realm);
242 ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
243 }
244
245 r->out.domain_is_ad = true;
246
247 return ADS_SUCCESS;
248 }
249
250 /****************************************************************
251 ****************************************************************/
252
253 static ADS_STATUS libnet_join_connect_ads_user(TALLOC_CTX *mem_ctx,
254 struct libnet_JoinCtx *r)
255 {
256 return libnet_join_connect_ads(mem_ctx, r, false);
257 }
258
259 /****************************************************************
260 ****************************************************************/
261
262 static ADS_STATUS libnet_join_connect_ads_machine(TALLOC_CTX *mem_ctx,
263 struct libnet_JoinCtx *r)
264 {
265 return libnet_join_connect_ads(mem_ctx, r, true);
266 }
267
268 /****************************************************************
269 ****************************************************************/
270
271 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
272 struct libnet_UnjoinCtx *r)
273 {
274 ADS_STATUS status;
275
276 status = libnet_connect_ads(r->in.domain_name,
277 r->in.domain_name,
278 r->in.dc_name,
279 r->in.admin_account,
280 r->in.admin_password,
281 NULL,
282 &r->in.ads);
283 if (!ADS_ERR_OK(status)) {
284 libnet_unjoin_set_error_string(mem_ctx, r,
285 "failed to connect to AD: %s",
286 ads_errstr(status));
287 }
288
289 return status;
290 }
291
292 /****************************************************************
293 join a domain using ADS (LDAP mods)
294 ****************************************************************/
295
296 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
297 struct libnet_JoinCtx *r)
298 {
299 ADS_STATUS status;
300 LDAPMessage *res = NULL;
301 const char *attrs[] = { "dn", NULL };
302 bool moved = false;
303
304 status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
305 if (!ADS_ERR_OK(status)) {
306 return status;
307 }
308
309 status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
310 if (!ADS_ERR_OK(status)) {
311 return status;
312 }
313
314 if (ads_count_replies(r->in.ads, res) != 1) {
315 ads_msgfree(r->in.ads, res);
316 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
317 }
318
319 ads_msgfree(r->in.ads, res);
320
321 /* Attempt to create the machine account and bail if this fails.
322 Assume that the admin wants exactly what they requested */
323
324 status = ads_create_machine_acct(r->in.ads,
325 r->in.machine_name,
326 r->in.account_ou,
327 r->in.desired_encryption_types);
328
329 if (ADS_ERR_OK(status)) {
330 DEBUG(1,("machine account creation created\n"));
331 return status;
332 } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
333 (status.err.rc == LDAP_ALREADY_EXISTS)) {
334 status = ADS_SUCCESS;
335 }
336
337 if (!ADS_ERR_OK(status)) {
338 DEBUG(1,("machine account creation failed\n"));
339 return status;
340 }
341
342 status = ads_move_machine_acct(r->in.ads,
343 r->in.machine_name,
344 r->in.account_ou,
345 &moved);
346 if (!ADS_ERR_OK(status)) {
347 DEBUG(1,("failure to locate/move pre-existing "
348 "machine account\n"));
349 return status;
350 }
351
352 DEBUG(1,("The machine account %s the specified OU.\n",
353 moved ? "was moved into" : "already exists in"));
354
355 return status;
356 }
357
358 /****************************************************************
359 ****************************************************************/
360
361 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
362 struct libnet_UnjoinCtx *r)
363 {
364 ADS_STATUS status;
365
366 if (!r->in.ads) {
367 status = libnet_unjoin_connect_ads(mem_ctx, r);
368 if (!ADS_ERR_OK(status)) {
369 libnet_unjoin_set_error_string(mem_ctx, r,
370 "failed to connect to AD: %s",
371 ads_errstr(status));
372 return status;
373 }
374 }
375
376 status = ads_leave_realm(r->in.ads, r->in.machine_name);
377 if (!ADS_ERR_OK(status)) {
378 libnet_unjoin_set_error_string(mem_ctx, r,
379 "failed to leave realm: %s",
380 ads_errstr(status));
381 return status;
382 }
383
384 return ADS_SUCCESS;
385 }
386
387 /****************************************************************
388 ****************************************************************/
389
390 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
391 struct libnet_JoinCtx *r)
392 {
393 ADS_STATUS status;
394 LDAPMessage *res = NULL;
395 char *dn = NULL;
396
397 if (!r->in.machine_name) {
398 return ADS_ERROR(LDAP_NO_MEMORY);
399 }
400
401 status = ads_find_machine_acct(r->in.ads,
402 &res,
403 r->in.machine_name);
404 if (!ADS_ERR_OK(status)) {
405 return status;
406 }
407
408 if (ads_count_replies(r->in.ads, res) != 1) {
409 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
410 goto done;
411 }
412
413 dn = ads_get_dn(r->in.ads, mem_ctx, res);
414 if (!dn) {
415 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
416 goto done;
417 }
418
419 r->out.dn = talloc_strdup(mem_ctx, dn);
420 if (!r->out.dn) {
421 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
422 goto done;
423 }
424
425 if (!ads_pull_uint32(r->in.ads, res, "msDS-SupportedEncryptionTypes",
426 &r->out.set_encryption_types)) {
427 r->out.set_encryption_types = 0;
428 }
429
430 done:
431 ads_msgfree(r->in.ads, res);
432 TALLOC_FREE(dn);
433
434 return status;
435 }
436
437 static ADS_STATUS libnet_join_get_machine_spns(TALLOC_CTX *mem_ctx,
438 struct libnet_JoinCtx *r,
439 char ***spn_array,
440 size_t *num_spns)
441 {
442 ADS_STATUS status;
443
444 if (r->in.machine_name == NULL) {
445 return ADS_ERROR_SYSTEM(EINVAL);
446 }
447
448 status = ads_get_service_principal_names(mem_ctx,
449 r->in.ads,
450 r->in.machine_name,
451 spn_array,
452 num_spns);
453
454 return status;
455 }
456
457 /****************************************************************
458 Set a machines dNSHostName and servicePrincipalName attributes
459 ****************************************************************/
460
461 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
462 struct libnet_JoinCtx *r)
463 {
464 ADS_STATUS status;
465 ADS_MODLIST mods;
466 fstring my_fqdn;
467 const char **spn_array = NULL;
468 size_t num_spns = 0;
469 char *spn = NULL;
470 bool ok;
471 const char **netbios_aliases = NULL;
472
473 /* Find our DN */
474
475 status = libnet_join_find_machine_acct(mem_ctx, r);
476 if (!ADS_ERR_OK(status)) {
477 return status;
478 }
479
480 status = libnet_join_get_machine_spns(mem_ctx,
481 r,
482 discard_const_p(char **, &spn_array),
483 &num_spns);
484 if (!ADS_ERR_OK(status)) {
485 DEBUG(5, ("Retrieving the servicePrincipalNames failed.\n"));
486 }
487
488 /* Windows only creates HOST/shortname & HOST/fqdn. */
489
490 spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
491 if (!spn) {
492 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
493 }
494 if (!strupper_m(spn)) {
495 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
496 }
497
498 ok = ads_element_in_array(spn_array, num_spns, spn);
499 if (!ok) {
500 ok = add_string_to_array(spn_array, spn,
501 &spn_array, &num_spns);
502 if (!ok) {
503 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
504 }
505 }
506
507 if (!name_to_fqdn(my_fqdn, r->in.machine_name)
508 || (strchr(my_fqdn, '.') == NULL)) {
509 fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
510 r->out.dns_domain_name);
511 }
512
513 if (!strlower_m(my_fqdn)) {
514 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
515 }
516
517 if (!strequal(my_fqdn, r->in.machine_name)) {
518 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
519 if (!spn) {
520 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
521 }
522
523 ok = ads_element_in_array(spn_array, num_spns, spn);
524 if (!ok) {
525 ok = add_string_to_array(spn_array, spn,
526 &spn_array, &num_spns);
527 if (!ok) {
528 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
529 }
530 }
531 }
532
533 netbios_aliases = lp_netbios_aliases();
534 if (netbios_aliases != NULL) {
535 for (; *netbios_aliases != NULL; netbios_aliases++) {
536 /*
537 * Add HOST/NETBIOSNAME
538 */
539 spn = talloc_asprintf(mem_ctx, "HOST/%s", *netbios_aliases);
540 if (spn == NULL) {
541 TALLOC_FREE(spn);
542 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
543 }
544 if (!strupper_m(spn)) {
545 TALLOC_FREE(spn);
546 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
547 }
548
549 ok = ads_element_in_array(spn_array, num_spns, spn);
550 if (ok) {
551 TALLOC_FREE(spn);
552 continue;
553 }
554 ok = add_string_to_array(spn_array, spn,
555 &spn_array, &num_spns);
556 if (!ok) {
557 TALLOC_FREE(spn);
558 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
559 }
560 TALLOC_FREE(spn);
561
562 /*
563 * Add HOST/netbiosname.domainname
564 */
565 if (r->out.dns_domain_name == NULL) {
566 continue;
567 }
568 fstr_sprintf(my_fqdn, "%s.%s",
569 *netbios_aliases,
570 r->out.dns_domain_name);
571
572 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
573 if (spn == NULL) {
574 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
575 }
576
577 ok = ads_element_in_array(spn_array, num_spns, spn);
578 if (ok) {
579 TALLOC_FREE(spn);
580 continue;
581 }
582 ok = add_string_to_array(spn_array, spn,
583 &spn_array, &num_spns);
584 if (!ok) {
585 TALLOC_FREE(spn);
586 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
587 }
588 TALLOC_FREE(spn);
589 }
590 }
591
592 /* make sure to NULL terminate the array */
593 spn_array = talloc_realloc(mem_ctx, spn_array, const char *, num_spns + 1);
594 if (spn_array == NULL) {
595 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
596 }
597 spn_array[num_spns] = NULL;
598
599 mods = ads_init_mods(mem_ctx);
600 if (!mods) {
601 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
602 }
603
604 /* fields of primary importance */
605
606 status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
607 if (!ADS_ERR_OK(status)) {
608 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
609 }
610
611 status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
612 spn_array);
613 if (!ADS_ERR_OK(status)) {
614 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
615 }
616
617 return ads_gen_mod(r->in.ads, r->out.dn, mods);
618 }
619
620 /****************************************************************
621 ****************************************************************/
622
623 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
624 struct libnet_JoinCtx *r)
625 {
626 ADS_STATUS status;
627 ADS_MODLIST mods;
628
629 if (!r->in.create_upn) {
630 return ADS_SUCCESS;
631 }
632
633 /* Find our DN */
634
635 status = libnet_join_find_machine_acct(mem_ctx, r);
636 if (!ADS_ERR_OK(status)) {
637 return status;
638 }
639
640 if (!r->in.upn) {
641 const char *realm = r->out.dns_domain_name;
642
643 /* in case we are about to generate a keytab during the join
644 * make sure the default upn we create is usable with kinit -k.
645 * gd */
646
647 if (USE_KERBEROS_KEYTAB) {
648 realm = talloc_strdup_upper(mem_ctx,
649 r->out.dns_domain_name);
650 }
651
652 if (!realm) {
653 return ADS_ERROR(LDAP_NO_MEMORY);
654 }
655
656 r->in.upn = talloc_asprintf(mem_ctx,
657 "host/%s@%s",
658 r->in.machine_name,
659 realm);
660 if (!r->in.upn) {
661 return ADS_ERROR(LDAP_NO_MEMORY);
662 }
663 }
664
665 /* now do the mods */
666
667 mods = ads_init_mods(mem_ctx);
668 if (!mods) {
669 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
670 }
671
672 /* fields of primary importance */
673
674 status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
675 if (!ADS_ERR_OK(status)) {
676 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
677 }
678
679 return ads_gen_mod(r->in.ads, r->out.dn, mods);
680 }
681
682
683 /****************************************************************
684 ****************************************************************/
685
686 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
687 struct libnet_JoinCtx *r)
688 {
689 ADS_STATUS status;
690 ADS_MODLIST mods;
691 char *os_sp = NULL;
692
693 if (!r->in.os_name || !r->in.os_version ) {
694 return ADS_SUCCESS;
695 }
696
697 /* Find our DN */
698
699 status = libnet_join_find_machine_acct(mem_ctx, r);
700 if (!ADS_ERR_OK(status)) {
701 return status;
702 }
703
704 /* now do the mods */
705
706 mods = ads_init_mods(mem_ctx);
707 if (!mods) {
708 return ADS_ERROR(LDAP_NO_MEMORY);
709 }
710
711 if (r->in.os_servicepack) {
712 /*
713 * if blank string then leave os_sp equal to NULL to force
714 * attribute delete (LDAP_MOD_DELETE)
715 */
716 if (!strequal(r->in.os_servicepack,"")) {
717 os_sp = talloc_strdup(mem_ctx, r->in.os_servicepack);
718 }
719 } else {
720 os_sp = talloc_asprintf(mem_ctx, "Samba %s",
721 samba_version_string());
722 }
723 if (!os_sp && !strequal(r->in.os_servicepack,"")) {
724 return ADS_ERROR(LDAP_NO_MEMORY);
725 }
726
727 /* fields of primary importance */
728
729 status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
730 r->in.os_name);
731 if (!ADS_ERR_OK(status)) {
732 return status;
733 }
734
735 status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
736 r->in.os_version);
737 if (!ADS_ERR_OK(status)) {
738 return status;
739 }
740
741 status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
742 os_sp);
743 if (!ADS_ERR_OK(status)) {
744 return status;
745 }
746
747 return ads_gen_mod(r->in.ads, r->out.dn, mods);
748 }
749
750 /****************************************************************
751 ****************************************************************/
752
753 static ADS_STATUS libnet_join_set_etypes(TALLOC_CTX *mem_ctx,
754 struct libnet_JoinCtx *r)
755 {
756 ADS_STATUS status;
757 ADS_MODLIST mods;
758 const char *etype_list_str;
759
760 etype_list_str = talloc_asprintf(mem_ctx, "%d",
761 r->in.desired_encryption_types);
762 if (!etype_list_str) {
763 return ADS_ERROR(LDAP_NO_MEMORY);
764 }
765
766 /* Find our DN */
767
768 status = libnet_join_find_machine_acct(mem_ctx, r);
769 if (!ADS_ERR_OK(status)) {
770 return status;
771 }
772
773 if (r->in.desired_encryption_types == r->out.set_encryption_types) {
774 return ADS_SUCCESS;
775 }
776
777 /* now do the mods */
778
779 mods = ads_init_mods(mem_ctx);
780 if (!mods) {
781 return ADS_ERROR(LDAP_NO_MEMORY);
782 }
783
784 status = ads_mod_str(mem_ctx, &mods, "msDS-SupportedEncryptionTypes",
785 etype_list_str);
786 if (!ADS_ERR_OK(status)) {
787 return status;
788 }
789
790 status = ads_gen_mod(r->in.ads, r->out.dn, mods);
791 if (!ADS_ERR_OK(status)) {
792 return status;
793 }
794
795 r->out.set_encryption_types = r->in.desired_encryption_types;
796
797 return ADS_SUCCESS;
798 }
799
800 /****************************************************************
801 ****************************************************************/
802
803 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
804 struct libnet_JoinCtx *r)
805 {
806 if (!USE_SYSTEM_KEYTAB) {
807 return true;
808 }
809
810 if (ads_keytab_create_default(r->in.ads) != 0) {
811 return false;
812 }
813
814 return true;
815 }
816
817 /****************************************************************
818 ****************************************************************/
819
820 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
821 struct libnet_JoinCtx *r)
822 {
823 uint32_t domain_func;
824 ADS_STATUS status;
825 const char *salt = NULL;
826 char *std_salt = NULL;
827
828 status = ads_domain_func_level(r->in.ads, &domain_func);
829 if (!ADS_ERR_OK(status)) {
830 libnet_join_set_error_string(mem_ctx, r,
831 "failed to determine domain functional level: %s",
832 ads_errstr(status));
833 return false;
834 }
835
836 /* go ahead and setup the default salt */
837
838 std_salt = kerberos_standard_des_salt();
839 if (!std_salt) {
840 libnet_join_set_error_string(mem_ctx, r,
841 "failed to obtain standard DES salt");
842 return false;
843 }
844
845 salt = talloc_strdup(mem_ctx, std_salt);
846 if (!salt) {
847 return false;
848 }
849
850 SAFE_FREE(std_salt);
851
852 /* if it's a Windows functional domain, we have to look for the UPN */
853
854 if (domain_func == DS_DOMAIN_FUNCTION_2000) {
855 char *upn;
856
857 upn = ads_get_upn(r->in.ads, mem_ctx,
858 r->in.machine_name);
859 if (upn) {
860 salt = talloc_strdup(mem_ctx, upn);
861 if (!salt) {
862 return false;
863 }
864 }
865 }
866
867 r->out.krb5_salt = salt;
868 return true;
869 }
870
871 /****************************************************************
872 ****************************************************************/
873
874 static ADS_STATUS libnet_join_post_processing_ads_modify(TALLOC_CTX *mem_ctx,
875 struct libnet_JoinCtx *r)
876 {
877 ADS_STATUS status;
878 bool need_etype_update = false;
879
880 if (!r->in.ads) {
881 status = libnet_join_connect_ads_user(mem_ctx, r);
882 if (!ADS_ERR_OK(status)) {
883 return status;
884 }
885 }
886
887 status = libnet_join_set_machine_spn(mem_ctx, r);
888 if (!ADS_ERR_OK(status)) {
889 libnet_join_set_error_string(mem_ctx, r,
890 "Failed to set machine spn: %s\n"
891 "Do you have sufficient permissions to create machine "
892 "accounts?",
893 ads_errstr(status));
894 return status;
895 }
896
897 status = libnet_join_set_os_attributes(mem_ctx, r);
898 if (!ADS_ERR_OK(status)) {
899 libnet_join_set_error_string(mem_ctx, r,
900 "failed to set machine os attributes: %s",
901 ads_errstr(status));
902 return status;
903 }
904
905 status = libnet_join_set_machine_upn(mem_ctx, r);
906 if (!ADS_ERR_OK(status)) {
907 libnet_join_set_error_string(mem_ctx, r,
908 "failed to set machine upn: %s",
909 ads_errstr(status));
910 return status;
911 }
912
913 status = libnet_join_find_machine_acct(mem_ctx, r);
914 if (!ADS_ERR_OK(status)) {
915 return status;
916 }
917
918 if (r->in.desired_encryption_types != r->out.set_encryption_types) {
919 uint32_t func_level = 0;
920
921 status = ads_domain_func_level(r->in.ads, &func_level);
922 if (!ADS_ERR_OK(status)) {
923 libnet_join_set_error_string(mem_ctx, r,
924 "failed to query domain controller functional level: %s",
925 ads_errstr(status));
926 return status;
927 }
928
929 if (func_level >= DS_DOMAIN_FUNCTION_2008) {
930 need_etype_update = true;
931 }
932 }
933
934 if (need_etype_update) {
935 /*
936 * We need to reconnect as machine account in order
937 * to update msDS-SupportedEncryptionTypes reliable
938 */
939
940 if (r->in.ads->auth.ccache_name != NULL) {
941 ads_kdestroy(r->in.ads->auth.ccache_name);
942 }
943
944 ads_destroy(&r->in.ads);
945
946 status = libnet_join_connect_ads_machine(mem_ctx, r);
947 if (!ADS_ERR_OK(status)) {
948 libnet_join_set_error_string(mem_ctx, r,
949 "Failed to connect as machine account: %s",
950 ads_errstr(status));
951 return status;
952 }
953
954 status = libnet_join_set_etypes(mem_ctx, r);
955 if (!ADS_ERR_OK(status)) {
956 libnet_join_set_error_string(mem_ctx, r,
957 "failed to set machine kerberos encryption types: %s",
958 ads_errstr(status));
959 return status;
960 }
961 }
962
963 if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
964 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
965 }
966
967 return ADS_SUCCESS;
968 }
969
970 static ADS_STATUS libnet_join_post_processing_ads_sync(TALLOC_CTX *mem_ctx,
971 struct libnet_JoinCtx *r)
972 {
973 if (!libnet_join_create_keytab(mem_ctx, r)) {
974 libnet_join_set_error_string(mem_ctx, r,
975 "failed to create kerberos keytab");
976 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
977 }
978
979 return ADS_SUCCESS;
980 }
981 #endif /* HAVE_ADS */
982
983 /****************************************************************
984 Store the machine password and domain SID
985 ****************************************************************/
986
987 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
988 struct libnet_JoinCtx *r)
989 {
990 NTSTATUS status;
991
992 status = secrets_store_JoinCtx(r);
993 if (!NT_STATUS_IS_OK(status)) {
994 DBG_ERR("secrets_store_JoinCtx() failed %s\n",
995 nt_errstr(status));
996 return false;
997 }
998
999 return true;
1000 }
1001
1002 /****************************************************************
1003 Connect dc's IPC$ share
1004 ****************************************************************/
1005
1006 static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
1007 const char *user,
1008 const char *domain,
1009 const char *pass,
1010 bool use_kerberos,
1011 struct cli_state **cli)
1012 {
1013 int flags = 0;
1014
1015 if (use_kerberos) {
1016 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
1017 }
1018
1019 if (use_kerberos && pass) {
1020 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
1021 }
1022
1023 return cli_full_connection(cli, NULL,
1024 dc,
1025 NULL, 0,
1026 "IPC$", "IPC",
1027 user,
1028 domain,
1029 pass,
1030 flags,
1031 SMB_SIGNING_IPC_DEFAULT);
1032 }
1033
1034 /****************************************************************
1035 Lookup domain dc's info
1036 ****************************************************************/
1037
1038 static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
1039 struct libnet_JoinCtx *r,
1040 struct cli_state **cli)
1041 {
1042 struct rpc_pipe_client *pipe_hnd = NULL;
1043 struct policy_handle lsa_pol;
1044 NTSTATUS status, result;
1045 union lsa_PolicyInformation *info = NULL;
1046 struct dcerpc_binding_handle *b;
1047 const char *account = r->in.admin_account;
1048 const char *domain = r->in.admin_domain;
1049 const char *password = r->in.admin_password;
1050 bool use_kerberos = r->in.use_kerberos;
1051
1052 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) {
1053 account = "";
1054 domain = "";
1055 password = NULL;
1056 use_kerberos = false;
1057 }
1058
1059 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1060 account,
1061 domain,
1062 password,
1063 use_kerberos,
1064 cli);
1065 if (!NT_STATUS_IS_OK(status)) {
1066 goto done;
1067 }
1068
1069 status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc,
1070 &pipe_hnd);
1071 if (!NT_STATUS_IS_OK(status)) {
1072 DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
1073 nt_errstr(status)));
1074 goto done;
1075 }
1076
1077 b = pipe_hnd->binding_handle;
1078
1079 status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
1080 SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
1081 if (!NT_STATUS_IS_OK(status)) {
1082 goto done;
1083 }
1084
1085 status = dcerpc_lsa_QueryInfoPolicy2(b, mem_ctx,
1086 &lsa_pol,
1087 LSA_POLICY_INFO_DNS,
1088 &info,
1089 &result);
1090 if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
1091 r->out.domain_is_ad = true;
1092 r->out.netbios_domain_name = info->dns.name.string;
1093 r->out.dns_domain_name = info->dns.dns_domain.string;
1094 r->out.forest_name = info->dns.dns_forest.string;
1095 r->out.domain_guid = info->dns.domain_guid;
1096 r->out.domain_sid = dom_sid_dup(mem_ctx, info->dns.sid);
1097 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
1098 }
1099
1100 if (!NT_STATUS_IS_OK(status)) {
1101 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
1102 &lsa_pol,
1103 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
1104 &info,
1105 &result);
1106 if (!NT_STATUS_IS_OK(status)) {
1107 goto done;
1108 }
1109 if (!NT_STATUS_IS_OK(result)) {
1110 status = result;
1111 goto done;
1112 }
1113
1114 r->out.netbios_domain_name = info->account_domain.name.string;
1115 r->out.domain_sid = dom_sid_dup(mem_ctx, info->account_domain.sid);
1116 NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
1117 }
1118
1119 dcerpc_lsa_Close(b, mem_ctx, &lsa_pol, &result);
1120 TALLOC_FREE(pipe_hnd);
1121
1122 done:
1123 return status;
1124 }
1125
1126 /****************************************************************
1127 Do the domain join unsecure
1128 ****************************************************************/
1129
1130 static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
1131 struct libnet_JoinCtx *r,
1132 struct cli_state *cli)
1133 {
1134 TALLOC_CTX *frame = talloc_stackframe();
1135 struct rpc_pipe_client *authenticate_pipe = NULL;
1136 struct rpc_pipe_client *passwordset_pipe = NULL;
1137 struct cli_credentials *cli_creds;
1138 struct netlogon_creds_cli_context *netlogon_creds = NULL;
1139 struct netlogon_creds_CredentialState *creds = NULL;
1140 uint32_t netlogon_flags = 0;
1141 size_t len = 0;
1142 bool ok;
1143 DATA_BLOB new_trust_blob = data_blob_null;
1144 NTSTATUS status;
1145
1146 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon,
1147 &authenticate_pipe);
1148 if (!NT_STATUS_IS_OK(status)) {
1149 TALLOC_FREE(frame);
1150 return status;
1151 }
1152
1153 if (!r->in.machine_password) {
1154 int security = r->in.ads ? SEC_ADS : SEC_DOMAIN;
1155
1156 r->in.machine_password = trust_pw_new_value(mem_ctx,
1157 r->in.secure_channel_type,
1158 security);
1159 if (r->in.machine_password == NULL) {
1160 TALLOC_FREE(frame);
1161 return NT_STATUS_NO_MEMORY;
1162 }
1163 }
1164
1165 cli_creds = cli_credentials_init(talloc_tos());
1166 if (cli_creds == NULL) {
1167 TALLOC_FREE(frame);
1168 return NT_STATUS_NO_MEMORY;
1169 }
1170
1171 cli_credentials_set_username(cli_creds, r->out.account_name,
1172 CRED_SPECIFIED);
1173 cli_credentials_set_domain(cli_creds, r->in.domain_name,
1174 CRED_SPECIFIED);
1175 cli_credentials_set_realm(cli_creds, "", CRED_SPECIFIED);
1176 cli_credentials_set_secure_channel_type(cli_creds,
1177 r->in.secure_channel_type);
1178
1179 /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
1180 cli_credentials_set_password(cli_creds, r->in.admin_password,
1181 CRED_SPECIFIED);
1182
1183 status = rpccli_create_netlogon_creds_ctx(
1184 cli_creds, authenticate_pipe->desthost, r->in.msg_ctx,
1185 frame, &netlogon_creds);
1186 if (!NT_STATUS_IS_OK(status)) {
1187 TALLOC_FREE(frame);
1188 return status;
1189 }
1190
1191 status = rpccli_setup_netlogon_creds(
1192 cli, NCACN_NP, netlogon_creds, true /* force_reauth */,
1193 cli_creds);
1194 if (!NT_STATUS_IS_OK(status)) {
1195 TALLOC_FREE(frame);
1196 return status;
1197 }
1198
1199 status = netlogon_creds_cli_get(netlogon_creds, frame, &creds);
1200 if (!NT_STATUS_IS_OK(status)) {
1201 TALLOC_FREE(frame);
1202 return status;
1203 }
1204
1205 netlogon_flags = creds->negotiate_flags;
1206 TALLOC_FREE(creds);
1207
1208 if (netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC) {
1209 status = cli_rpc_pipe_open_schannel_with_creds(cli,
1210 &ndr_table_netlogon,
1211 NCACN_NP,
1212 netlogon_creds,
1213 &passwordset_pipe);
1214 if (!NT_STATUS_IS_OK(status)) {
1215 TALLOC_FREE(frame);
1216 return status;
1217 }
1218 } else {
1219 passwordset_pipe = authenticate_pipe;
1220 }
1221
1222 len = strlen(r->in.machine_password);
1223 ok = convert_string_talloc(frame, CH_UNIX, CH_UTF16,
1224 r->in.machine_password, len,
1225 (void **)&new_trust_blob.data,
1226 &new_trust_blob.length);
1227 if (!ok) {
1228 status = NT_STATUS_UNMAPPABLE_CHARACTER;
1229 if (errno == ENOMEM) {
1230 status = NT_STATUS_NO_MEMORY;
1231 }
1232 TALLOC_FREE(frame);
1233 return status;
1234 }
1235
1236 status = netlogon_creds_cli_ServerPasswordSet(netlogon_creds,
1237 passwordset_pipe->binding_handle,
1238 &new_trust_blob,
1239 NULL); /* new_version */
1240 if (!NT_STATUS_IS_OK(status)) {
1241 TALLOC_FREE(frame);
1242 return status;
1243 }
1244
1245 TALLOC_FREE(frame);
1246 return NT_STATUS_OK;
1247 }
1248
1249 /****************************************************************
1250 Do the domain join
1251 ****************************************************************/
1252
1253 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
1254 struct libnet_JoinCtx *r,
1255 struct cli_state *cli)
1256 {
1257 struct rpc_pipe_client *pipe_hnd = NULL;
1258 struct policy_handle sam_pol, domain_pol, user_pol;
1259 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1260 char *acct_name;
1261 struct lsa_String lsa_acct_name;
1262 uint32_t user_rid;
1263 uint32_t acct_flags = ACB_WSTRUST;
1264 struct samr_Ids user_rids;
1265 struct samr_Ids name_types;
1266 union samr_UserInfo user_info;
1267 struct dcerpc_binding_handle *b = NULL;
1268 unsigned int old_timeout = 0;
1269
1270 DATA_BLOB session_key = data_blob_null;
1271 struct samr_CryptPassword crypt_pwd;
1272 struct samr_CryptPasswordEx crypt_pwd_ex;
1273
1274 ZERO_STRUCT(sam_pol);
1275 ZERO_STRUCT(domain_pol);
1276 ZERO_STRUCT(user_pol);
1277
1278 switch (r->in.secure_channel_type) {
1279 case SEC_CHAN_WKSTA:
1280 acct_flags = ACB_WSTRUST;
1281 break;
1282 case SEC_CHAN_BDC:
1283 acct_flags = ACB_SVRTRUST;
1284 break;
1285 default:
1286 return NT_STATUS_INVALID_PARAMETER;
1287 }
1288
1289 if (!r->in.machine_password) {
1290 int security = r->in.ads ? SEC_ADS : SEC_DOMAIN;
1291
1292 r->in.machine_password = trust_pw_new_value(mem_ctx,
1293 r->in.secure_channel_type,
1294 security);
1295 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
1296 }
1297
1298 /* Open the domain */
1299
1300 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr,
1301 &pipe_hnd);
1302 if (!NT_STATUS_IS_OK(status)) {
1303 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1304 nt_errstr(status)));
1305 goto done;
1306 }
1307
1308 b = pipe_hnd->binding_handle;
1309
1310 status = cli_get_session_key(mem_ctx, pipe_hnd, &session_key);
1311 if (!NT_STATUS_IS_OK(status)) {
1312 DEBUG(0,("Error getting session_key of SAM pipe. Error was %s\n",
1313 nt_errstr(status)));
1314 goto done;
1315 }
1316
1317 status = dcerpc_samr_Connect2(b, mem_ctx,
1318 pipe_hnd->desthost,
1319 SAMR_ACCESS_ENUM_DOMAINS
1320 | SAMR_ACCESS_LOOKUP_DOMAIN,
1321 &sam_pol,
1322 &result);
1323 if (!NT_STATUS_IS_OK(status)) {
1324 goto done;
1325 }
1326 if (!NT_STATUS_IS_OK(result)) {
1327 status = result;
1328 goto done;
1329 }
1330
1331 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1332 &sam_pol,
1333 SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
1334 | SAMR_DOMAIN_ACCESS_CREATE_USER
1335 | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
1336 r->out.domain_sid,
1337 &domain_pol,
1338 &result);
1339 if (!NT_STATUS_IS_OK(status)) {
1340 goto done;
1341 }
1342 if (!NT_STATUS_IS_OK(result)) {
1343 status = result;
1344 goto done;
1345 }
1346
1347 /* Create domain user */
1348
1349 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1350 if (!strlower_m(acct_name)) {
1351 status = NT_STATUS_INVALID_PARAMETER;
1352 goto done;
1353 }
1354
1355 init_lsa_String(&lsa_acct_name, acct_name);
1356
1357 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
1358 uint32_t access_desired =
1359 SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
1360 SEC_STD_WRITE_DAC | SEC_STD_DELETE |
1361 SAMR_USER_ACCESS_SET_PASSWORD |
1362 SAMR_USER_ACCESS_GET_ATTRIBUTES |
1363 SAMR_USER_ACCESS_SET_ATTRIBUTES;
1364 uint32_t access_granted = 0;
1365
1366 DEBUG(10,("Creating account with desired access mask: %d\n",
1367 access_desired));
1368
1369 status = dcerpc_samr_CreateUser2(b, mem_ctx,
1370 &domain_pol,
1371 &lsa_acct_name,
1372 acct_flags,
1373 access_desired,
1374 &user_pol,
1375 &access_granted,
1376 &user_rid,
1377 &result);
1378 if (!NT_STATUS_IS_OK(status)) {
1379 goto done;
1380 }
1381
1382 status = result;
1383 if (!NT_STATUS_IS_OK(status) &&
1384 !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1385
1386 DEBUG(10,("Creation of workstation account failed: %s\n",
1387 nt_errstr(status)));
1388
1389 /* If NT_STATUS_ACCESS_DENIED then we have a valid
1390 username/password combo but the user does not have
1391 administrator access. */
1392
1393 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
1394 libnet_join_set_error_string(mem_ctx, r,
1395 "User specified does not have "
1396 "administrator privileges");
1397 }
1398
1399 goto done;
1400 }
1401
1402 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1403 if (!(r->in.join_flags &
1404 WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
1405 goto done;
1406 }
1407 }
1408
1409 /* We *must* do this.... don't ask... */
1410
1411 if (NT_STATUS_IS_OK(status)) {
1412 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1413 }
1414 }
1415
1416 status = dcerpc_samr_LookupNames(b, mem_ctx,
1417 &domain_pol,
1418 1,
1419 &lsa_acct_name,
1420 &user_rids,
1421 &name_types,
1422 &result);
1423 if (!NT_STATUS_IS_OK(status)) {
1424 goto done;
1425 }
1426 if (!NT_STATUS_IS_OK(result)) {
1427 status = result;
1428 goto done;
1429 }
1430 if (user_rids.count != 1) {
1431 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1432 goto done;
1433 }
1434 if (name_types.count != 1) {
1435 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1436 goto done;
1437 }
1438
1439 if (name_types.ids[0] != SID_NAME_USER) {
1440 DEBUG(0,("%s is not a user account (type=%d)\n",
1441 acct_name, name_types.ids[0]));
1442 status = NT_STATUS_INVALID_WORKSTATION;
1443 goto done;
1444 }
1445
1446 user_rid = user_rids.ids[0];
1447
1448 /* Open handle on user */
1449
1450 status = dcerpc_samr_OpenUser(b, mem_ctx,
1451 &domain_pol,
1452 SEC_FLAG_MAXIMUM_ALLOWED,
1453 user_rid,
1454 &user_pol,
1455 &result);
1456 if (!NT_STATUS_IS_OK(status)) {
1457 goto done;
1458 }
1459 if (!NT_STATUS_IS_OK(result)) {
1460 status = result;
1461 goto done;
1462 }
1463
1464 /* Fill in the additional account flags now */
1465
1466 acct_flags |= ACB_PWNOEXP;
1467
1468 /* Set account flags on machine account */
1469 ZERO_STRUCT(user_info.info16);
1470 user_info.info16.acct_flags = acct_flags;
1471
1472 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1473 &user_pol,
1474 UserControlInformation,
1475 &user_info,
1476 &result);
1477 if (!NT_STATUS_IS_OK(status)) {
1478 dcerpc_samr_DeleteUser(b, mem_ctx,
1479 &user_pol,
1480 &result);
1481
1482 libnet_join_set_error_string(mem_ctx, r,
1483 "Failed to set account flags for machine account (%s)\n",
1484 nt_errstr(status));
1485 goto done;
1486 }
1487
1488 if (!NT_STATUS_IS_OK(result)) {
1489 status = result;
1490
1491 dcerpc_samr_DeleteUser(b, mem_ctx,
1492 &user_pol,
1493 &result);
1494
1495 libnet_join_set_error_string(mem_ctx, r,
1496 "Failed to set account flags for machine account (%s)\n",
1497 nt_errstr(status));
1498 goto done;
1499 }
1500
1501 /* Set password on machine account - first try level 26 */
1502
1503 /*
1504 * increase the timeout as password filter modules on the DC
1505 * might delay the operation for a significant amount of time
1506 */
1507 old_timeout = rpccli_set_timeout(pipe_hnd, 600000);
1508
1509 init_samr_CryptPasswordEx(r->in.machine_password,
1510 &session_key,
1511 &crypt_pwd_ex);
1512
1513 user_info.info26.password = crypt_pwd_ex;
1514 user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1515
1516 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1517 &user_pol,
1518 UserInternal5InformationNew,
1519 &user_info,
1520 &result);
1521
1522 if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
1523
1524 /* retry with level 24 */
1525
1526 init_samr_CryptPassword(r->in.machine_password,
1527 &session_key,
1528 &crypt_pwd);
1529
1530 user_info.info24.password = crypt_pwd;
1531 user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1532
1533 status = dcerpc_samr_SetUserInfo2(b, mem_ctx,
1534 &user_pol,
1535 UserInternal5Information,
1536 &user_info,
1537 &result);
1538 }
1539
1540 old_timeout = rpccli_set_timeout(pipe_hnd, old_timeout);
1541
1542 if (!NT_STATUS_IS_OK(status)) {
1543
1544 dcerpc_samr_DeleteUser(b, mem_ctx,
1545 &user_pol,
1546 &result);
1547
1548 libnet_join_set_error_string(mem_ctx, r,
1549 "Failed to set password for machine account (%s)\n",
1550 nt_errstr(status));
1551 goto done;
1552 }
1553 if (!NT_STATUS_IS_OK(result)) {
1554 status = result;
1555
1556 dcerpc_samr_DeleteUser(b, mem_ctx,
1557 &user_pol,
1558 &result);
1559
1560 libnet_join_set_error_string(mem_ctx, r,
1561 "Failed to set password for machine account (%s)\n",
1562 nt_errstr(status));
1563 goto done;
1564 }
1565
1566 status = NT_STATUS_OK;
1567
1568 done:
1569 if (!pipe_hnd) {
1570 return status;
1571 }
1572
1573 data_blob_clear_free(&session_key);
1574
1575 if (is_valid_policy_hnd(&sam_pol)) {
1576 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1577 }
1578 if (is_valid_policy_hnd(&domain_pol)) {
1579 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1580 }
1581 if (is_valid_policy_hnd(&user_pol)) {
1582 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1583 }
1584 TALLOC_FREE(pipe_hnd);
1585
1586 return status;
1587 }
1588
1589 /****************************************************************
1590 ****************************************************************/
1591
1592 NTSTATUS libnet_join_ok(struct messaging_context *msg_ctx,
1593 const char *netbios_domain_name,
1594 const char *dc_name,
1595 const bool use_kerberos)
1596 {
1597 TALLOC_CTX *frame = talloc_stackframe();
1598 struct cli_state *cli = NULL;
1599 struct rpc_pipe_client *netlogon_pipe = NULL;
1600 struct cli_credentials *cli_creds = NULL;
1601 struct netlogon_creds_cli_context *netlogon_creds = NULL;
1602 struct netlogon_creds_CredentialState *creds = NULL;
1603 uint32_t netlogon_flags = 0;
1604 NTSTATUS status;
1605 int flags = 0;
1606
1607 if (!dc_name) {
1608 TALLOC_FREE(frame);
1609 return NT_STATUS_INVALID_PARAMETER;
1610 }
1611
1612 if (!secrets_init()) {
1613 TALLOC_FREE(frame);
1614 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1615 }
1616
1617 status = pdb_get_trust_credentials(netbios_domain_name, NULL,
1618 frame, &cli_creds);
1619 if (!NT_STATUS_IS_OK(status)) {
1620 TALLOC_FREE(frame);
1621 return status;
1622 }
1623
1624 /* we don't want any old password */
1625 cli_credentials_set_old_password(cli_creds, NULL, CRED_SPECIFIED);
1626
1627 if (use_kerberos) {
1628 cli_credentials_set_kerberos_state(cli_creds,
1629 CRED_MUST_USE_KERBEROS);
1630 }
1631
1632 status = cli_full_connection_creds(&cli, NULL,
1633 dc_name,
1634 NULL, 0,
1635 "IPC$", "IPC",
1636 cli_creds,
1637 flags,
1638 SMB_SIGNING_IPC_DEFAULT);
1639
1640 if (!NT_STATUS_IS_OK(status)) {
1641 status = cli_full_connection(&cli, NULL,
1642 dc_name,
1643 NULL, 0,
1644 "IPC$", "IPC",
1645 "",
1646 NULL,
1647 "",
1648 0,
1649 SMB_SIGNING_IPC_DEFAULT);
1650 }
1651
1652 if (!NT_STATUS_IS_OK(status)) {
1653 TALLOC_FREE(frame);
1654 return status;
1655 }
1656
1657 status = rpccli_create_netlogon_creds_ctx(cli_creds,
1658 dc_name,
1659 msg_ctx,
1660 frame,
1661 &netlogon_creds);
1662 if (!NT_STATUS_IS_OK(status)) {
1663 cli_shutdown(cli);
1664 TALLOC_FREE(frame);
1665 return status;
1666 }
1667
1668 status = rpccli_setup_netlogon_creds(cli, NCACN_NP,
1669 netlogon_creds,
1670 true, /* force_reauth */
1671 cli_creds);
1672 if (!NT_STATUS_IS_OK(status)) {
1673 DEBUG(0,("connect_to_domain_password_server: "
1674 "unable to open the domain client session to "
1675 "machine %s. Flags[0x%08X] Error was : %s.\n",
1676 dc_name, (unsigned)netlogon_flags,
1677 nt_errstr(status)));
1678 cli_shutdown(cli);
1679 TALLOC_FREE(frame);
1680 return status;
1681 }
1682
1683 status = netlogon_creds_cli_get(netlogon_creds,
1684 talloc_tos(),
1685 &creds);
1686 if (!NT_STATUS_IS_OK(status)) {
1687 cli_shutdown(cli);
1688 TALLOC_FREE(frame);
1689 return status;
1690 }
1691 netlogon_flags = creds->negotiate_flags;
1692 TALLOC_FREE(creds);
1693
1694 if (!(netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
1695 cli_shutdown(cli);
1696 TALLOC_FREE(frame);
1697 return NT_STATUS_OK;
1698 }
1699
1700 status = cli_rpc_pipe_open_schannel_with_creds(
1701 cli, &ndr_table_netlogon, NCACN_NP,
1702 netlogon_creds, &netlogon_pipe);
1703
1704 TALLOC_FREE(netlogon_pipe);
1705
1706 if (!NT_STATUS_IS_OK(status)) {
1707 DEBUG(0,("libnet_join_ok: failed to open schannel session "
1708 "on netlogon pipe to server %s for domain %s. "
1709 "Error was %s\n",
1710 smbXcli_conn_remote_name(cli->conn),
1711 netbios_domain_name, nt_errstr(status)));
1712 cli_shutdown(cli);
1713 TALLOC_FREE(frame);
1714 return status;
1715 }
1716
1717 cli_shutdown(cli);
1718 TALLOC_FREE(frame);
1719 return NT_STATUS_OK;
1720 }
1721
1722 /****************************************************************
1723 ****************************************************************/
1724
1725 static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1726 struct libnet_JoinCtx *r)
1727 {
1728 NTSTATUS status;
1729
1730 status = libnet_join_ok(r->in.msg_ctx,
1731 r->out.netbios_domain_name,
1732 r->in.dc_name,
1733 r->in.use_kerberos);
1734 if (!NT_STATUS_IS_OK(status)) {
1735 libnet_join_set_error_string(mem_ctx, r,
1736 "failed to verify domain membership after joining: %s",
1737 get_friendly_nt_error_msg(status));
1738 return WERR_NERR_SETUPNOTJOINED;
1739 }
1740
1741 return WERR_OK;
1742 }
1743
1744 /****************************************************************
1745 ****************************************************************/
1746
1747 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1748 struct libnet_UnjoinCtx *r)
1749 {
1750 /*
1751 * TODO: use values from 'struct libnet_UnjoinCtx' ?
1752 */
1753 return secrets_delete_machine_password_ex(lp_workgroup(), lp_realm());
1754 }
1755
1756 /****************************************************************
1757 ****************************************************************/
1758
1759 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1760 struct libnet_UnjoinCtx *r)
1761 {
1762 struct cli_state *cli = NULL;
1763 struct rpc_pipe_client *pipe_hnd = NULL;
1764 struct policy_handle sam_pol, domain_pol, user_pol;
1765 NTSTATUS status = NT_STATUS_UNSUCCESSFUL, result;
1766 char *acct_name;
1767 uint32_t user_rid;
1768 struct lsa_String lsa_acct_name;
1769 struct samr_Ids user_rids;
1770 struct samr_Ids name_types;
1771 union samr_UserInfo *info = NULL;
1772 struct dcerpc_binding_handle *b = NULL;
1773
1774 ZERO_STRUCT(sam_pol);
1775 ZERO_STRUCT(domain_pol);
1776 ZERO_STRUCT(user_pol);
1777
1778 status = libnet_join_connect_dc_ipc(r->in.dc_name,
1779 r->in.admin_account,
1780 r->in.admin_domain,
1781 r->in.admin_password,
1782 r->in.use_kerberos,
1783 &cli);
1784 if (!NT_STATUS_IS_OK(status)) {
1785 goto done;
1786 }
1787
1788 /* Open the domain */
1789
1790 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr,
1791 &pipe_hnd);
1792 if (!NT_STATUS_IS_OK(status)) {
1793 DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1794 nt_errstr(status)));
1795 goto done;
1796 }
1797
1798 b = pipe_hnd->binding_handle;
1799
1800 status = dcerpc_samr_Connect2(b, mem_ctx,
1801 pipe_hnd->desthost,
1802 SEC_FLAG_MAXIMUM_ALLOWED,
1803 &sam_pol,
1804 &result);
1805 if (!NT_STATUS_IS_OK(status)) {
1806 goto done;
1807 }
1808 if (!NT_STATUS_IS_OK(result)) {
1809 status = result;
1810 goto done;
1811 }
1812
1813 status = dcerpc_samr_OpenDomain(b, mem_ctx,
1814 &sam_pol,
1815 SEC_FLAG_MAXIMUM_ALLOWED,
1816 r->in.domain_sid,
1817 &domain_pol,
1818 &result);
1819 if (!NT_STATUS_IS_OK(status)) {
1820 goto done;
1821 }
1822 if (!NT_STATUS_IS_OK(result)) {
1823 status = result;
1824 goto done;
1825 }
1826
1827 /* Create domain user */
1828
1829 acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1830 if (!strlower_m(acct_name)) {
1831 status = NT_STATUS_INVALID_PARAMETER;
1832 goto done;
1833 }
1834
1835 init_lsa_String(&lsa_acct_name, acct_name);
1836
1837 status = dcerpc_samr_LookupNames(b, mem_ctx,
1838 &domain_pol,
1839 1,
1840 &lsa_acct_name,
1841 &user_rids,
1842 &name_types,
1843 &result);
1844
1845 if (!NT_STATUS_IS_OK(status)) {
1846 goto done;
1847 }
1848 if (!NT_STATUS_IS_OK(result)) {
1849 status = result;
1850 goto done;
1851 }
1852 if (user_rids.count != 1) {
1853 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1854 goto done;
1855 }
1856 if (name_types.count != 1) {
1857 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
1858 goto done;
1859 }
1860
1861 if (name_types.ids[0] != SID_NAME_USER) {
1862 DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1863 name_types.ids[0]));
1864 status = NT_STATUS_INVALID_WORKSTATION;
1865 goto done;
1866 }
1867
1868 user_rid = user_rids.ids[0];
1869
1870 /* Open handle on user */
1871
1872 status = dcerpc_samr_OpenUser(b, mem_ctx,
1873 &domain_pol,
1874 SEC_FLAG_MAXIMUM_ALLOWED,
1875 user_rid,
1876 &user_pol,
1877 &result);
1878 if (!NT_STATUS_IS_OK(status)) {
1879 goto done;
1880 }
1881 if (!NT_STATUS_IS_OK(result)) {
1882 status = result;
1883 goto done;
1884 }
1885
1886 /* Get user info */
1887
1888 status = dcerpc_samr_QueryUserInfo(b, mem_ctx,
1889 &user_pol,
1890 16,
1891 &info,
1892 &result);
1893 if (!NT_STATUS_IS_OK(status)) {
1894 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1895 goto done;
1896 }
1897 if (!NT_STATUS_IS_OK(result)) {
1898 status = result;
1899 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1900 goto done;
1901 }
1902
1903 /* now disable and setuser info */
1904
1905 info->info16.acct_flags |= ACB_DISABLED;
1906
1907 status = dcerpc_samr_SetUserInfo(b, mem_ctx,
1908 &user_pol,
1909 16,
1910 info,
1911 &result);
1912 if (!NT_STATUS_IS_OK(status)) {
1913 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1914 goto done;
1915 }
1916 if (!NT_STATUS_IS_OK(result)) {
1917 status = result;
1918 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1919 goto done;
1920 }
1921 status = result;
1922 dcerpc_samr_Close(b, mem_ctx, &user_pol, &result);
1923
1924 done:
1925 if (pipe_hnd && b) {
1926 if (is_valid_policy_hnd(&domain_pol)) {
1927 dcerpc_samr_Close(b, mem_ctx, &domain_pol, &result);
1928 }
1929 if (is_valid_policy_hnd(&sam_pol)) {
1930 dcerpc_samr_Close(b, mem_ctx, &sam_pol, &result);
1931 }
1932 TALLOC_FREE(pipe_hnd);
1933 }
1934
1935 if (cli) {
1936 cli_shutdown(cli);
1937 }
1938
1939 return status;
1940 }
1941
1942 /****************************************************************
1943 ****************************************************************/
1944
1945 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1946 {
1947 WERROR werr = WERR_OK;
1948 sbcErr err;
1949 struct smbconf_ctx *ctx;
1950
1951 err = smbconf_init_reg(r, &ctx, NULL);
1952 if (!SBC_ERROR_IS_OK(err)) {
1953 werr = WERR_SERVICE_DOES_NOT_EXIST;
1954 goto done;
1955 }
1956
1957 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1958
1959 err = smbconf_set_global_parameter(ctx, "security", "user");
1960 if (!SBC_ERROR_IS_OK(err)) {
1961 werr = WERR_SERVICE_DOES_NOT_EXIST;
1962 goto done;
1963 }
1964
1965 err = smbconf_set_global_parameter(ctx, "workgroup",
1966 r->in.domain_name);
1967 if (!SBC_ERROR_IS_OK(err)) {
1968 werr = WERR_SERVICE_DOES_NOT_EXIST;
1969 goto done;
1970 }
1971
1972 smbconf_delete_global_parameter(ctx, "realm");
1973 goto done;
1974 }
1975
1976 err = smbconf_set_global_parameter(ctx, "security", "domain");
1977 if (!SBC_ERROR_IS_OK(err)) {
1978 werr = WERR_SERVICE_DOES_NOT_EXIST;
1979 goto done;
1980 }
1981
1982 err = smbconf_set_global_parameter(ctx, "workgroup",
1983 r->out.netbios_domain_name);
1984 if (!SBC_ERROR_IS_OK(err)) {
1985 werr = WERR_SERVICE_DOES_NOT_EXIST;
1986 goto done;
1987 }
1988
1989 if (r->out.domain_is_ad) {
1990 err = smbconf_set_global_parameter(ctx, "security", "ads");
1991 if (!SBC_ERROR_IS_OK(err)) {
1992 werr = WERR_SERVICE_DOES_NOT_EXIST;
1993 goto done;
1994 }
1995
1996 err = smbconf_set_global_parameter(ctx, "realm",
1997 r->out.dns_domain_name);
1998 if (!SBC_ERROR_IS_OK(err)) {
1999 werr = WERR_SERVICE_DOES_NOT_EXIST;
2000 goto done;
2001 }
2002 }
2003
2004 done:
2005 smbconf_shutdown(ctx);
2006 return werr;
2007 }
2008
2009 /****************************************************************
2010 ****************************************************************/
2011
2012 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
2013 {
2014 WERROR werr = WERR_OK;
2015 sbcErr err;
2016 struct smbconf_ctx *ctx;
2017
2018 err = smbconf_init_reg(r, &ctx, NULL);
2019 if (!SBC_ERROR_IS_OK(err)) {
2020 werr = WERR_SERVICE_DOES_NOT_EXIST;
2021 goto done;
2022 }
2023
2024 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2025
2026 err = smbconf_set_global_parameter(ctx, "security", "user");
2027 if (!SBC_ERROR_IS_OK(err)) {
2028 werr = WERR_SERVICE_DOES_NOT_EXIST;
2029 goto done;
2030 }
2031
2032 err = smbconf_delete_global_parameter(ctx, "workgroup");
2033 if (!SBC_ERROR_IS_OK(err)) {
2034 werr = WERR_SERVICE_DOES_NOT_EXIST;
2035 goto done;
2036 }
2037
2038 smbconf_delete_global_parameter(ctx, "realm");
2039 }
2040
2041 done:
2042 smbconf_shutdown(ctx);
2043 return werr;
2044 }
2045
2046 /****************************************************************
2047 ****************************************************************/
2048
2049 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
2050 {
2051 WERROR werr;
2052
2053 if (!W_ERROR_IS_OK(r->out.result)) {
2054 return r->out.result;
2055 }
2056
2057 if (!r->in.modify_config) {
2058 return WERR_OK;
2059 }
2060
2061 werr = do_join_modify_vals_config(r);
2062 if (!W_ERROR_IS_OK(werr)) {
2063 return werr;
2064 }
2065
2066 lp_load_global(get_dyn_CONFIGFILE());
2067
2068 r->out.modified_config = true;
2069 r->out.result = werr;
2070
2071 return werr;
2072 }
2073
2074 /****************************************************************
2075 ****************************************************************/
2076
2077 static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
2078 {
2079 WERROR werr;
2080
2081 if (!W_ERROR_IS_OK(r->out.result)) {
2082 return r->out.result;
2083 }
2084
2085 if (!r->in.modify_config) {
2086 return WERR_OK;
2087 }
2088
2089 werr = do_unjoin_modify_vals_config(r);
2090 if (!W_ERROR_IS_OK(werr)) {
2091 return werr;
2092 }
2093
2094 lp_load_global(get_dyn_CONFIGFILE());
2095
2096 r->out.modified_config = true;
2097 r->out.result = werr;
2098
2099 return werr;
2100 }
2101
2102 /****************************************************************
2103 ****************************************************************/
2104
2105 static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
2106 const char *domain_str,
2107 const char **domain_p,
2108 const char **dc_p)
2109 {
2110 char *domain = NULL;
2111 char *dc = NULL;
2112 const char *p = NULL;
2113
2114 if (!domain_str || !domain_p || !dc_p) {
2115 return false;
2116 }
2117
2118 p = strchr_m(domain_str, '\\');
2119
2120 if (p != NULL) {
2121 domain = talloc_strndup(mem_ctx, domain_str,
2122 PTR_DIFF(p, domain_str));
2123 dc = talloc_strdup(mem_ctx, p+1);
2124 if (!dc) {
2125 return false;
2126 }
2127 } else {
2128 domain = talloc_strdup(mem_ctx, domain_str);
2129 dc = NULL;
2130 }
2131 if (!domain) {
2132 return false;
2133 }
2134
2135 *domain_p = domain;
2136
2137 if (!*dc_p && dc) {
2138 *dc_p = dc;
2139 }
2140
2141 return true;
2142 }
2143
2144 /****************************************************************
2145 ****************************************************************/
2146
2147 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
2148 struct libnet_JoinCtx *r)
2149 {
2150 if (!r->in.domain_name) {
2151 libnet_join_set_error_string(mem_ctx, r,
2152 "No domain name defined");
2153 return WERR_INVALID_PARAMETER;
2154 }
2155
2156 if (strlen(r->in.machine_name) > 15) {
2157 libnet_join_set_error_string(mem_ctx, r,
2158 "Our netbios name can be at most 15 chars long, "
2159 "\"%s\" is %u chars long\n",
2160 r->in.machine_name,
2161 (unsigned int)strlen(r->in.machine_name));
2162 return WERR_INVALID_PARAMETER;
2163 }
2164
2165 r->out.account_name = talloc_asprintf(mem_ctx, "%s$",
2166 r->in.machine_name);
2167 if (r->out.account_name == NULL) {
2168 libnet_join_set_error_string(mem_ctx, r,
2169 "Unable to construct r->out.account_name");
2170 return WERR_NOT_ENOUGH_MEMORY;
2171 }
2172
2173 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2174 &r->in.domain_name,
2175 &r->in.dc_name)) {
2176 libnet_join_set_error_string(mem_ctx, r,
2177 "Failed to parse domain name");
2178 return WERR_INVALID_PARAMETER;
2179 }
2180
2181 if (!r->in.admin_domain) {
2182 char *admin_domain = NULL;
2183 char *admin_account = NULL;
2184 bool ok;
2185
2186 ok = split_domain_user(mem_ctx,
2187 r->in.admin_account,
2188 &admin_domain,
2189 &admin_account);
2190 if (!ok) {
2191 return WERR_NOT_ENOUGH_MEMORY;
2192 }
2193
2194 if (admin_domain != NULL) {
2195 r->in.admin_domain = admin_domain;
2196 } else {
2197 r->in.admin_domain = r->in.domain_name;
2198 }
2199 r->in.admin_account = admin_account;
2200 }
2201
2202 if (!secrets_init()) {
2203 libnet_join_set_error_string(mem_ctx, r,
2204 "Unable to open secrets database");
2205 return WERR_CAN_NOT_COMPLETE;
2206 }
2207
2208 return WERR_OK;
2209 }
2210
2211 /****************************************************************
2212 ****************************************************************/
2213
2214 static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
2215 {
2216 NTSTATUS status;
2217
2218 /* Try adding dom admins to builtin\admins. Only log failures. */
2219 status = create_builtin_administrators(domain_sid);
2220 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
2221 DEBUG(10,("Unable to auto-add domain administrators to "
2222 "BUILTIN\\Administrators during join because "
2223 "winbindd must be running.\n"));
2224 } else if (!NT_STATUS_IS_OK(status)) {
2225 DEBUG(5, ("Failed to auto-add domain administrators to "
2226 "BUILTIN\\Administrators during join: %s\n",
2227 nt_errstr(status)));
2228 }
2229
2230 /* Try adding dom users to builtin\users. Only log failures. */
2231 status = create_builtin_users(domain_sid);
2232 if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
2233 DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
2234 "during join because winbindd must be running.\n"));
2235 } else if (!NT_STATUS_IS_OK(status)) {
2236 DEBUG(5, ("Failed to auto-add domain administrators to "
2237 "BUILTIN\\Administrators during join: %s\n",
2238 nt_errstr(status)));
2239 }
2240 }
2241
2242 /****************************************************************
2243 ****************************************************************/
2244
2245 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
2246 struct libnet_JoinCtx *r)
2247 {
2248 WERROR werr;
2249
2250 if (!W_ERROR_IS_OK(r->out.result)) {
2251 return r->out.result;
2252 }
2253
2254 if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
2255 werr = do_JoinConfig(r);
2256 if (!W_ERROR_IS_OK(werr)) {
2257 return werr;
2258 }
2259
2260 return WERR_OK;
2261 }
2262
2263 #ifdef HAVE_ADS
2264 if (r->out.domain_is_ad &&
2265 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2266 ADS_STATUS ads_status;
2267
2268 ads_status = libnet_join_post_processing_ads_modify(mem_ctx, r);
2269 if (!ADS_ERR_OK(ads_status)) {
2270 return WERR_GEN_FAILURE;
2271 }
2272 }
2273 #endif /* HAVE_ADS */
2274
2275 saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
2276 if (r->out.dns_domain_name) {
2277 saf_join_store(r->out.dns_domain_name, r->in.dc_name);
2278 }
2279
2280 if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
2281 return WERR_NERR_SETUPNOTJOINED;
2282 }
2283
2284 werr = do_JoinConfig(r);
2285 if (!W_ERROR_IS_OK(werr)) {
2286 return werr;
2287 }
2288
2289 #ifdef HAVE_ADS
2290 if (r->out.domain_is_ad &&
2291 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2292 ADS_STATUS ads_status;
2293
2294 ads_status = libnet_join_post_processing_ads_sync(mem_ctx, r);
2295 if (!ADS_ERR_OK(ads_status)) {
2296 return WERR_GEN_FAILURE;
2297 }
2298 }
2299 #endif /* HAVE_ADS */
2300
2301 libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
2302
2303 return WERR_OK;
2304 }
2305
2306 /****************************************************************
2307 ****************************************************************/
2308
2309 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
2310 {
2311 if (r->in.ads) {
2312 ads_destroy(&r->in.ads);
2313 }
2314
2315 return 0;
2316 }
2317
2318 /****************************************************************
2319 ****************************************************************/
2320
2321 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
2322 {
2323 if (r->in.ads) {
2324 ads_destroy(&r->in.ads);
2325 }
2326
2327 return 0;
2328 }
2329
2330 /****************************************************************
2331 ****************************************************************/
2332
2333 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
2334 struct libnet_JoinCtx **r)
2335 {
2336 struct libnet_JoinCtx *ctx;
2337
2338 ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
2339 if (!ctx) {
2340 return WERR_NOT_ENOUGH_MEMORY;
2341 }
2342
2343 talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
2344
2345 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
2346 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
2347
2348 ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
2349
2350 ctx->in.desired_encryption_types = ENC_CRC32 |
2351 ENC_RSA_MD5 |
2352 ENC_RC4_HMAC_MD5;
2353 #ifdef HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96
2354 ctx->in.desired_encryption_types |= ENC_HMAC_SHA1_96_AES128;
2355 #endif
2356 #ifdef HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96
2357 ctx->in.desired_encryption_types |= ENC_HMAC_SHA1_96_AES256;
2358 #endif
2359
2360 *r = ctx;
2361
2362 return WERR_OK;
2363 }
2364
2365 /****************************************************************
2366 ****************************************************************/
2367
2368 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
2369 struct libnet_UnjoinCtx **r)
2370 {
2371 struct libnet_UnjoinCtx *ctx;
2372
2373 ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
2374 if (!ctx) {
2375 return WERR_NOT_ENOUGH_MEMORY;
2376 }
2377
2378 talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
2379
2380 ctx->in.machine_name = talloc_strdup(mem_ctx, lp_netbios_name());
2381 W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
2382
2383 *r = ctx;
2384
2385 return WERR_OK;
2386 }
2387
2388 /****************************************************************
2389 ****************************************************************/
2390
2391 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
2392 struct libnet_JoinCtx *r)
2393 {
2394 bool valid_security = false;
2395 bool valid_workgroup = false;
2396 bool valid_realm = false;
2397 bool ignored_realm = false;
2398
2399 /* check if configuration is already set correctly */
2400
2401 valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
2402
2403 switch (r->out.domain_is_ad) {
2404 case false:
2405 valid_security = (lp_security() == SEC_DOMAIN)
2406 || (lp_server_role() == ROLE_DOMAIN_PDC)
2407 || (lp_server_role() == ROLE_DOMAIN_BDC);
2408 if (valid_workgroup && valid_security) {
2409 /* nothing to be done */
2410 return WERR_OK;
2411 }
2412 break;
2413 case true:
2414 valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
2415 switch (lp_security()) {
2416 case SEC_DOMAIN:
2417 if (!valid_realm && lp_winbind_rpc_only()) {
2418 valid_realm = true;
2419 ignored_realm = true;
2420 }
2421 /* FALL THROUGH */
2422 case SEC_ADS:
2423 valid_security = true;
2424 }
2425
2426 if (valid_workgroup && valid_realm && valid_security) {
2427 if (ignored_realm && !r->in.modify_config)
2428 {
2429 libnet_join_set_error_string(mem_ctx, r,
2430 "Warning: ignoring realm when "
2431 "joining AD domain with "
2432 "'security=domain' and "
2433 "'winbind rpc only = yes'. "
2434 "(realm set to '%s', "
2435 "should be '%s').", lp_realm(),
2436 r->out.dns_domain_name);
2437 }
2438 /* nothing to be done */
2439 return WERR_OK;
2440 }
2441 break;
2442 }
2443
2444 /* check if we are supposed to manipulate configuration */
2445
2446 if (!r->in.modify_config) {
2447
2448 char *wrong_conf = talloc_strdup(mem_ctx, "");
2449
2450 if (!valid_workgroup) {
2451 wrong_conf = talloc_asprintf_append(wrong_conf,
2452 "\"workgroup\" set to '%s', should be '%s'",
2453 lp_workgroup(), r->out.netbios_domain_name);
2454 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
2455 }
2456
2457 if (!valid_realm) {
2458 wrong_conf = talloc_asprintf_append(wrong_conf,
2459 "\"realm\" set to '%s', should be '%s'",
2460 lp_realm(), r->out.dns_domain_name);
2461 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
2462 }
2463
2464 if (!valid_security) {
2465 const char *sec = NULL;
2466 switch (lp_security()) {
2467 case SEC_USER: sec = "user"; break;
2468 case SEC_DOMAIN: sec = "domain"; break;
2469 case SEC_ADS: sec = "ads"; break;
2470 }
2471 wrong_conf = talloc_asprintf_append(wrong_conf,
2472 "\"security\" set to '%s', should be %s",
2473 sec, r->out.domain_is_ad ?
2474 "either 'domain' or 'ads'" : "'domain'");
2475 W_ERROR_HAVE_NO_MEMORY(wrong_conf);
2476 }
2477
2478 libnet_join_set_error_string(mem_ctx, r,
2479 "Invalid configuration (%s) and configuration modification "
2480 "was not requested", wrong_conf);
2481 return WERR_CAN_NOT_COMPLETE;
2482 }
2483
2484 /* check if we are able to manipulate configuration */
2485
2486 if (!lp_config_backend_is_registry()) {
2487 libnet_join_set_error_string(mem_ctx, r,
2488 "Configuration manipulation requested but not "
2489 "supported by backend");
2490 return WERR_NOT_SUPPORTED;
2491 }
2492
2493 return WERR_OK;
2494 }
2495
2496 /****************************************************************
2497 ****************************************************************/
2498
2499 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
2500 struct libnet_JoinCtx *r)
2501 {
2502 NTSTATUS status;
2503 WERROR werr;
2504 struct cli_state *cli = NULL;
2505 #ifdef HAVE_ADS
2506 ADS_STATUS ads_status;
2507 #endif /* HAVE_ADS */
2508 const char *pre_connect_realm = NULL;
2509 const char *numeric_dcip = NULL;
2510 const char *sitename = NULL;
2511
2512 /* Before contacting a DC, we can securely know
2513 * the realm only if the user specifies it.
2514 */
2515 if (r->in.use_kerberos &&
2516 r->in.domain_name_type == JoinDomNameTypeDNS) {
2517 pre_connect_realm = r->in.domain_name;
2518 }
2519
2520 if (!r->in.dc_name) {
2521 struct netr_DsRGetDCNameInfo *info;
2522 const char *dc;
2523 uint32_t name_type_flags = 0;
2524 if (r->in.domain_name_type == JoinDomNameTypeDNS) {
2525 name_type_flags = DS_IS_DNS_NAME;
2526 } else if (r->in.domain_name_type == JoinDomNameTypeNBT) {
2527 name_type_flags = DS_IS_FLAT_NAME;
2528 }
2529 status = dsgetdcname(mem_ctx,
2530 r->in.msg_ctx,
2531 r->in.domain_name,
2532 NULL,
2533 NULL,
2534 DS_FORCE_REDISCOVERY |
2535 DS_DIRECTORY_SERVICE_REQUIRED |
2536 DS_WRITABLE_REQUIRED |
2537 DS_RETURN_DNS_NAME |
2538 name_type_flags,
2539 &info);
2540 if (!NT_STATUS_IS_OK(status)) {
2541 libnet_join_set_error_string(mem_ctx, r,
2542 "failed to find DC for domain %s - %s",
2543 r->in.domain_name,
2544 get_friendly_nt_error_msg(status));
2545 return WERR_NERR_DCNOTFOUND;
2546 }
2547
2548 dc = strip_hostname(info->dc_unc);
2549 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2550 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2551
2552 if (info->dc_address == NULL || info->dc_address[0] != '\\' ||
2553 info->dc_address[1] != '\\') {
2554 DBG_ERR("ill-formed DC address '%s'\n",
2555 info->dc_address);
2556 return WERR_NERR_DCNOTFOUND;
2557 }
2558
2559 numeric_dcip = info->dc_address + 2;
2560 sitename = info->dc_site_name;
2561 /* info goes out of scope but the memory stays
2562 allocated on the talloc context */
2563 }
2564
2565 if (pre_connect_realm != NULL) {
2566 struct sockaddr_storage ss = {0};
2567
2568 if (numeric_dcip != NULL) {
2569 if (!interpret_string_addr(&ss, numeric_dcip,
2570 AI_NUMERICHOST)) {
2571 DBG_ERR(
2572 "cannot parse IP address '%s' of DC '%s'\n",
2573 numeric_dcip, r->in.dc_name);
2574 return WERR_NERR_DCNOTFOUND;
2575 }
2576 } else {
2577 if (!interpret_string_addr(&ss, r->in.dc_name, 0)) {
2578 DBG_WARNING(
2579 "cannot resolve IP address of DC '%s'\n",
2580 r->in.dc_name);
2581 return WERR_NERR_DCNOTFOUND;
2582 }
2583 }
2584
2585 /* The domain parameter is only used as modifier
2586 * to krb5.conf file name. .JOIN is is not a valid
2587 * NetBIOS name so it cannot clash with another domain
2588 * -- Uri.
2589 */
2590 create_local_private_krb5_conf_for_domain(
2591 pre_connect_realm, ".JOIN", sitename, &ss);
2592 }
2593
2594 status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
2595 if (!NT_STATUS_IS_OK(status)) {
2596 libnet_join_set_error_string(mem_ctx, r,
2597 "failed to lookup DC info for domain '%s' over rpc: %s",
2598 r->in.domain_name, get_friendly_nt_error_msg(status));
2599 return ntstatus_to_werror(status);
2600 }
2601
2602 werr = libnet_join_check_config(mem_ctx, r);
2603 if (!W_ERROR_IS_OK(werr)) {
2604 goto done;
2605 }
2606
2607 #ifdef HAVE_ADS
2608
2609 if (r->out.domain_is_ad) {
2610 create_local_private_krb5_conf_for_domain(
2611 r->out.dns_domain_name, r->out.netbios_domain_name,
2612 sitename, smbXcli_conn_remote_sockaddr(cli->conn));
2613 }
2614
2615 if (r->out.domain_is_ad &&
2616 !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
2617
2618 const char *initial_account_ou = r->in.account_ou;
2619
2620 /*
2621 * we want to create the msDS-SupportedEncryptionTypes attribute
2622 * as early as possible so always try an LDAP create as the user
2623 * first. We copy r->in.account_ou because it may be changed
2624 * during the machine pre-creation.
2625 */
2626
2627 ads_status = libnet_join_connect_ads_user(mem_ctx, r);
2628 if (!ADS_ERR_OK(ads_status)) {
2629 return WERR_NERR_DEFAULTJOINREQUIRED;
2630 }
2631
2632 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
2633 if (ADS_ERR_OK(ads_status)) {
2634
2635 /*
2636 * LDAP object create succeeded, now go to the rpc
2637 * password set routines
2638 */
2639
2640 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
2641 goto rpc_join;
2642 }
2643
2644 if (initial_account_ou != NULL) {
2645 libnet_join_set_error_string(mem_ctx, r,
2646 "failed to precreate account in ou %s: %s",
2647 r->in.account_ou,
2648 ads_errstr(ads_status));
2649 return WERR_NERR_DEFAULTJOINREQUIRED;
2650 }
2651
2652 DEBUG(5, ("failed to precreate account in ou %s: %s",
2653 r->in.account_ou, ads_errstr(ads_status)));
2654 }
2655 #endif /* HAVE_ADS */
2656
2657 rpc_join:
2658 if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
2659 (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
2660 status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
2661 } else {
2662 status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
2663 }
2664 if (!NT_STATUS_IS_OK(status)) {
2665 libnet_join_set_error_string(mem_ctx, r,
2666 "failed to join domain '%s' over rpc: %s",
2667 r->in.domain_name, get_friendly_nt_error_msg(status));
2668 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
2669 return WERR_NERR_SETUPALREADYJOINED;
2670 }
2671 werr = ntstatus_to_werror(status);
2672 goto done;
2673 }
2674
2675 werr = WERR_OK;
2676
2677 done:
2678 if (cli) {
2679 cli_shutdown(cli);
2680 }
2681
2682 return werr;
2683 }
2684
2685 /****************************************************************
2686 ****************************************************************/
2687
2688 static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
2689 struct libnet_JoinCtx *r)
2690 {
2691 WERROR werr;
2692 struct libnet_UnjoinCtx *u = NULL;
2693
2694 werr = libnet_init_UnjoinCtx(mem_ctx, &u);
2695 if (!W_ERROR_IS_OK(werr)) {
2696 return werr;
2697 }
2698
2699 u->in.debug = r->in.debug;
2700 u->in.dc_name = r->in.dc_name;
2701 u->in.domain_name = r->in.domain_name;
2702 u->in.admin_account = r->in.admin_account;
2703 u->in.admin_password = r->in.admin_password;
2704 u->in.modify_config = r->in.modify_config;
2705 u->in.use_kerberos = r->in.use_kerberos;
2706 u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE |
2707 WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
2708
2709 werr = libnet_Unjoin(mem_ctx, u);
2710 TALLOC_FREE(u);
2711
2712 return werr;
2713 }
2714
2715 /****************************************************************
2716 ****************************************************************/
2717
2718 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
2719 struct libnet_JoinCtx *r)
2720 {
2721 WERROR werr;
2722
2723 if (r->in.debug) {
2724 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
2725 }
2726
2727 ZERO_STRUCT(r->out);
2728
2729 werr = libnet_join_pre_processing(mem_ctx, r);
2730 if (!W_ERROR_IS_OK(werr)) {
2731 goto done;
2732 }
2733
2734 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2735 werr = libnet_DomainJoin(mem_ctx, r);
2736 if (!W_ERROR_IS_OK(werr)) {
2737 goto done;
2738 }
2739 }
2740
2741 werr = libnet_join_post_processing(mem_ctx, r);
2742 if (!W_ERROR_IS_OK(werr)) {
2743 goto done;
2744 }
2745
2746 if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2747 werr = libnet_join_post_verify(mem_ctx, r);
2748 if (!W_ERROR_IS_OK(werr)) {
2749 libnet_join_rollback(mem_ctx, r);
2750 }
2751 }
2752
2753 done:
2754 r->out.result = werr;
2755
2756 if (r->in.debug) {
2757 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
2758 }
2759 return werr;
2760 }
2761
2762 /****************************************************************
2763 ****************************************************************/
2764
2765 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
2766 struct libnet_UnjoinCtx *r)
2767 {
2768 NTSTATUS status;
2769
2770 if (!r->in.domain_sid) {
2771 struct dom_sid sid;
2772 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
2773 libnet_unjoin_set_error_string(mem_ctx, r,
2774 "Unable to fetch domain sid: are we joined?");
2775 return WERR_NERR_SETUPNOTJOINED;
2776 }
2777 r->in.domain_sid = dom_sid_dup(mem_ctx, &sid);
2778 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2779 }
2780
2781 if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2782 !r->in.delete_machine_account) {
2783 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2784 return WERR_OK;
2785 }
2786
2787 if (!r->in.dc_name) {
2788 struct netr_DsRGetDCNameInfo *info;
2789 const char *dc;
2790 status = dsgetdcname(mem_ctx,
2791 r->in.msg_ctx,
2792 r->in.domain_name,
2793 NULL,
2794 NULL,
2795 DS_DIRECTORY_SERVICE_REQUIRED |
2796 DS_WRITABLE_REQUIRED |
2797 DS_RETURN_DNS_NAME,
2798 &info);
2799 if (!NT_STATUS_IS_OK(status)) {
2800 libnet_unjoin_set_error_string(mem_ctx, r,
2801 "failed to find DC for domain %s - %s",
2802 r->in.domain_name,
2803 get_friendly_nt_error_msg(status));
2804 return WERR_NERR_DCNOTFOUND;
2805 }
2806
2807 dc = strip_hostname(info->dc_unc);
2808 r->in.dc_name = talloc_strdup(mem_ctx, dc);
2809 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2810 }
2811
2812 #ifdef HAVE_ADS
2813 /* for net ads leave, try to delete the account. If it works,
2814 no sense in disabling. If it fails, we can still try to
2815 disable it. jmcd */
2816
2817 if (r->in.delete_machine_account) {
2818 ADS_STATUS ads_status;
2819 ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2820 if (ADS_ERR_OK(ads_status)) {
2821 /* dirty hack */
2822 r->out.dns_domain_name =
2823 talloc_strdup(mem_ctx,
2824 r->in.ads->server.realm);
2825 ads_status =
2826 libnet_unjoin_remove_machine_acct(mem_ctx, r);
2827 }
2828 if (!ADS_ERR_OK(ads_status)) {
2829 libnet_unjoin_set_error_string(mem_ctx, r,
2830 "failed to remove machine account from AD: %s",
2831 ads_errstr(ads_status));
2832 } else {
2833 r->out.deleted_machine_account = true;
2834 W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2835 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2836 return WERR_OK;
2837 }
2838 }
2839 #endif /* HAVE_ADS */
2840
2841 /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2842 "disable". */
2843 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2844 status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2845 if (!NT_STATUS_IS_OK(status)) {
2846 libnet_unjoin_set_error_string(mem_ctx, r,
2847 "failed to disable machine account via rpc: %s",
2848 get_friendly_nt_error_msg(status));
2849 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2850 return WERR_NERR_SETUPNOTJOINED;
2851 }
2852 return ntstatus_to_werror(status);
2853 }
2854
2855 r->out.disabled_machine_account = true;
2856 }
2857
2858 /* If disable succeeded or was not requested at all, we
2859 should be getting rid of our end of things */
2860
2861 libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2862
2863 return WERR_OK;
2864 }
2865
2866 /****************************************************************
2867 ****************************************************************/
2868
2869 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2870 struct libnet_UnjoinCtx *r)
2871 {
2872 if (!r->in.domain_name) {
2873 libnet_unjoin_set_error_string(mem_ctx, r,
2874 "No domain name defined");
2875 return WERR_INVALID_PARAMETER;
2876 }
2877
2878 if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2879 &r->in.domain_name,
2880 &r->in.dc_name)) {
2881 libnet_unjoin_set_error_string(mem_ctx, r,
2882 "Failed to parse domain name");
2883 return WERR_INVALID_PARAMETER;
2884 }
2885
2886 if (IS_DC) {
2887 return WERR_NERR_SETUPDOMAINCONTROLLER;
2888 }
2889
2890 if (!r->in.admin_domain) {
2891 char *admin_domain = NULL;
2892 char *admin_account = NULL;
2893 bool ok;
2894
2895 ok = split_domain_user(mem_ctx,
2896 r->in.admin_account,
2897 &admin_domain,
2898 &admin_account);
2899 if (!ok) {
2900 return WERR_NOT_ENOUGH_MEMORY;
2901 }
2902
2903 if (admin_domain != NULL) {
2904 r->in.admin_domain = admin_domain;
2905 } else {
2906 r->in.admin_domain = r->in.domain_name;
2907 }
2908 r->in.admin_account = admin_account;
2909 }
2910
2911 if (!secrets_init()) {
2912 libnet_unjoin_set_error_string(mem_ctx, r,
2913 "Unable to open secrets database");
2914 return WERR_CAN_NOT_COMPLETE;
2915 }
2916
2917 return WERR_OK;
2918 }
2919
2920 /****************************************************************
2921 ****************************************************************/
2922
2923 static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2924 struct libnet_UnjoinCtx *r)
2925 {
2926 saf_delete(r->out.netbios_domain_name);
2927 saf_delete(r->out.dns_domain_name);
2928
2929 return libnet_unjoin_config(r);
2930 }
2931
2932 /****************************************************************
2933 ****************************************************************/
2934
2935 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2936 struct libnet_UnjoinCtx *r)
2937 {
2938 WERROR werr;
2939
2940 if (r->in.debug) {
2941 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2942 }
2943
2944 werr = libnet_unjoin_pre_processing(mem_ctx, r);
2945 if (!W_ERROR_IS_OK(werr)) {
2946 goto done;
2947 }
2948
2949 if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2950 werr = libnet_DomainUnjoin(mem_ctx, r);
2951 if (!W_ERROR_IS_OK(werr)) {
2952 libnet_unjoin_config(r);
2953 goto done;
2954 }
2955 }
2956
2957 werr = libnet_unjoin_post_processing(mem_ctx, r);
2958 if (!W_ERROR_IS_OK(werr)) {
2959 goto done;
2960 }
2961
2962 done:
2963 r->out.result = werr;
2964
2965 if (r->in.debug) {
2966 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2967 }
2968
2969 return werr;
2970 }
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