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dsgetdcname: In case we didn't get a mailslot reply, don't cache the nodestatus.
[Samba.git] / source / libsmb / dsgetdcname.c
blob1538502e9ad0132e4f2383796400b2e7b2ffcfc7
1 /*
2 Unix SMB/CIFS implementation.
3
4 dsgetdcname
5
6 Copyright (C) Gerald Carter 2006
7 Copyright (C) Guenther Deschner 2007-2008
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 */
22
23 #include "includes.h"
24
25 #define DSGETDCNAME_FMT "DSGETDCNAME/DOMAIN/%s"
26 /* 15 minutes */
27 #define DSGETDCNAME_CACHE_TTL 60*15
28
29 struct ip_service_name {
30 struct sockaddr_storage ss;
31 unsigned port;
32 const char *hostname;
33 };
34
35 static NTSTATUS make_dc_info_from_cldap_reply(TALLOC_CTX *mem_ctx,
36 uint32_t flags,
37 struct sockaddr_storage *ss,
38 uint32_t nt_version,
39 union nbt_cldap_netlogon *r,
40 struct netr_DsRGetDCNameInfo **info);
41
42 /****************************************************************
43 ****************************************************************/
44
45 void debug_dsdcinfo_flags(int lvl, uint32_t flags)
46 {
47 DEBUG(lvl,("debug_dsdcinfo_flags: 0x%08x\n\t", flags));
48
49 if (flags & DS_FORCE_REDISCOVERY)
50 DEBUGADD(lvl,("DS_FORCE_REDISCOVERY "));
51 if (flags & 0x000000002)
52 DEBUGADD(lvl,("0x00000002 "));
53 if (flags & 0x000000004)
54 DEBUGADD(lvl,("0x00000004 "));
55 if (flags & 0x000000008)
56 DEBUGADD(lvl,("0x00000008 "));
57 if (flags & DS_DIRECTORY_SERVICE_REQUIRED)
58 DEBUGADD(lvl,("DS_DIRECTORY_SERVICE_REQUIRED "));
59 if (flags & DS_DIRECTORY_SERVICE_PREFERRED)
60 DEBUGADD(lvl,("DS_DIRECTORY_SERVICE_PREFERRED "));
61 if (flags & DS_GC_SERVER_REQUIRED)
62 DEBUGADD(lvl,("DS_GC_SERVER_REQUIRED "));
63 if (flags & DS_PDC_REQUIRED)
64 DEBUGADD(lvl,("DS_PDC_REQUIRED "));
65 if (flags & DS_BACKGROUND_ONLY)
66 DEBUGADD(lvl,("DS_BACKGROUND_ONLY "));
67 if (flags & DS_IP_REQUIRED)
68 DEBUGADD(lvl,("DS_IP_REQUIRED "));
69 if (flags & DS_KDC_REQUIRED)
70 DEBUGADD(lvl,("DS_KDC_REQUIRED "));
71 if (flags & DS_TIMESERV_REQUIRED)
72 DEBUGADD(lvl,("DS_TIMESERV_REQUIRED "));
73 if (flags & DS_WRITABLE_REQUIRED)
74 DEBUGADD(lvl,("DS_WRITABLE_REQUIRED "));
75 if (flags & DS_GOOD_TIMESERV_PREFERRED)
76 DEBUGADD(lvl,("DS_GOOD_TIMESERV_PREFERRED "));
77 if (flags & DS_AVOID_SELF)
78 DEBUGADD(lvl,("DS_AVOID_SELF "));
79 if (flags & DS_ONLY_LDAP_NEEDED)
80 DEBUGADD(lvl,("DS_ONLY_LDAP_NEEDED "));
81 if (flags & DS_IS_FLAT_NAME)
82 DEBUGADD(lvl,("DS_IS_FLAT_NAME "));
83 if (flags & DS_IS_DNS_NAME)
84 DEBUGADD(lvl,("DS_IS_DNS_NAME "));
85 if (flags & 0x00040000)
86 DEBUGADD(lvl,("0x00040000 "));
87 if (flags & 0x00080000)
88 DEBUGADD(lvl,("0x00080000 "));
89 if (flags & 0x00100000)
90 DEBUGADD(lvl,("0x00100000 "));
91 if (flags & 0x00200000)
92 DEBUGADD(lvl,("0x00200000 "));
93 if (flags & 0x00400000)
94 DEBUGADD(lvl,("0x00400000 "));
95 if (flags & 0x00800000)
96 DEBUGADD(lvl,("0x00800000 "));
97 if (flags & 0x01000000)
98 DEBUGADD(lvl,("0x01000000 "));
99 if (flags & 0x02000000)
100 DEBUGADD(lvl,("0x02000000 "));
101 if (flags & 0x04000000)
102 DEBUGADD(lvl,("0x04000000 "));
103 if (flags & 0x08000000)
104 DEBUGADD(lvl,("0x08000000 "));
105 if (flags & 0x10000000)
106 DEBUGADD(lvl,("0x10000000 "));
107 if (flags & 0x20000000)
108 DEBUGADD(lvl,("0x20000000 "));
109 if (flags & DS_RETURN_DNS_NAME)
110 DEBUGADD(lvl,("DS_RETURN_DNS_NAME "));
111 if (flags & DS_RETURN_FLAT_NAME)
112 DEBUGADD(lvl,("DS_RETURN_FLAT_NAME "));
113 if (flags)
114 DEBUGADD(lvl,("\n"));
115 }
116
117 /****************************************************************
118 ****************************************************************/
119
120 static char *dsgetdcname_cache_key(TALLOC_CTX *mem_ctx, const char *domain)
121 {
122 if (!mem_ctx || !domain) {
123 return NULL;
124 }
125
126 return talloc_asprintf_strupper_m(mem_ctx, DSGETDCNAME_FMT, domain);
127 }
128
129 /****************************************************************
130 ****************************************************************/
131
132 static NTSTATUS dsgetdcname_cache_delete(TALLOC_CTX *mem_ctx,
133 const char *domain_name)
134 {
135 char *key;
136
137 if (!gencache_init()) {
138 return NT_STATUS_INTERNAL_DB_ERROR;
139 }
140
141 key = dsgetdcname_cache_key(mem_ctx, domain_name);
142 if (!key) {
143 return NT_STATUS_NO_MEMORY;
144 }
145
146 if (!gencache_del(key)) {
147 return NT_STATUS_UNSUCCESSFUL;
148 }
149
150 return NT_STATUS_OK;
151 }
152
153 /****************************************************************
154 ****************************************************************/
155
156 static NTSTATUS dsgetdcname_cache_store(TALLOC_CTX *mem_ctx,
157 const char *domain_name,
158 const DATA_BLOB *blob)
159 {
160 time_t expire_time;
161 char *key;
162 bool ret = false;
163
164 if (!gencache_init()) {
165 return NT_STATUS_INTERNAL_DB_ERROR;
166 }
167
168 key = dsgetdcname_cache_key(mem_ctx, domain_name);
169 if (!key) {
170 return NT_STATUS_NO_MEMORY;
171 }
172
173 expire_time = time(NULL) + DSGETDCNAME_CACHE_TTL;
174
175 if (gencache_lock_entry(key) != 0) {
176 return NT_STATUS_LOCK_NOT_GRANTED;
177 }
178
179 ret = gencache_set_data_blob(key, blob, expire_time);
180
181 gencache_unlock_entry(key);
182
183 return ret ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
184 }
185
186 /****************************************************************
187 ****************************************************************/
188
189 #define SET_STRING(x) \
190 talloc_strdup(mem_ctx, x); \
191 NT_STATUS_HAVE_NO_MEMORY(x);
192
193 static NTSTATUS map_logon29_from_cldap_reply(TALLOC_CTX *mem_ctx,
194 uint32_t flags,
195 struct sockaddr_storage *ss,
196 uint32_t nt_version,
197 union nbt_cldap_netlogon *r,
198 struct nbt_cldap_netlogon_29 *p)
199 {
200 char addr[INET6_ADDRSTRLEN];
201
202 ZERO_STRUCTP(p);
203
204 print_sockaddr(addr, sizeof(addr), ss);
205
206 /* FIXME */
207 p->dc_sock_addr_size = 0x10; /* the w32 winsock addr size */
208 p->dc_sock_addr.sa_family = 2; /* AF_INET */
209 p->dc_sock_addr.pdc_ip = talloc_strdup(mem_ctx, addr);
210
211 switch (nt_version & 0x0000001f) {
212 case 0:
213 return NT_STATUS_INVALID_PARAMETER;
214 case 1:
215 case 16:
216 case 17:
217 p->pdc_name = SET_STRING(r->logon1.pdc_name);
218 p->domain = SET_STRING(r->logon1.domain_name);
219
220 if (flags & DS_PDC_REQUIRED) {
221 p->server_type = NBT_SERVER_WRITABLE |
222 NBT_SERVER_PDC;
223 }
224 break;
225 case 2:
226 case 3:
227 case 18:
228 case 19:
229 p->pdc_name = SET_STRING(r->logon3.pdc_name);
230 p->domain = SET_STRING(r->logon3.domain_name);
231 p->pdc_dns_name = SET_STRING(r->logon3.pdc_dns_name);
232 p->dns_domain = SET_STRING(r->logon3.dns_domain);
233 p->server_type = r->logon3.server_type;
234 p->forest = SET_STRING(r->logon3.forest);
235 p->domain_uuid = r->logon3.domain_uuid;
236
237 break;
238 case 4:
239 case 5:
240 case 6:
241 case 7:
242 p->pdc_name = SET_STRING(r->logon5.pdc_name);
243 p->domain = SET_STRING(r->logon5.domain);
244 p->pdc_dns_name = SET_STRING(r->logon5.pdc_dns_name);
245 p->dns_domain = SET_STRING(r->logon5.dns_domain);
246 p->server_type = r->logon5.server_type;
247 p->forest = SET_STRING(r->logon5.forest);
248 p->domain_uuid = r->logon5.domain_uuid;
249 p->server_site = SET_STRING(r->logon5.server_site);
250 p->client_site = SET_STRING(r->logon5.client_site);
251
252 break;
253 case 8:
254 case 9:
255 case 10:
256 case 11:
257 case 12:
258 case 13:
259 case 14:
260 case 15:
261 p->pdc_name = SET_STRING(r->logon13.pdc_name);
262 p->domain = SET_STRING(r->logon13.domain);
263 p->pdc_dns_name = SET_STRING(r->logon13.pdc_dns_name);
264 p->dns_domain = SET_STRING(r->logon13.dns_domain);
265 p->server_type = r->logon13.server_type;
266 p->forest = SET_STRING(r->logon13.forest);
267 p->domain_uuid = r->logon13.domain_uuid;
268 p->server_site = SET_STRING(r->logon13.server_site);
269 p->client_site = SET_STRING(r->logon13.client_site);
270
271 break;
272 case 20:
273 case 21:
274 case 22:
275 case 23:
276 case 24:
277 case 25:
278 case 26:
279 case 27:
280 case 28:
281 p->pdc_name = SET_STRING(r->logon15.pdc_name);
282 p->domain = SET_STRING(r->logon15.domain);
283 p->pdc_dns_name = SET_STRING(r->logon15.pdc_dns_name);
284 p->dns_domain = SET_STRING(r->logon15.dns_domain);
285 p->server_type = r->logon15.server_type;
286 p->forest = SET_STRING(r->logon15.forest);
287 p->domain_uuid = r->logon15.domain_uuid;
288 p->server_site = SET_STRING(r->logon15.server_site);
289 p->client_site = SET_STRING(r->logon15.client_site);
290
291 break;
292 case 29:
293 case 30:
294 case 31:
295 p->pdc_name = SET_STRING(r->logon29.pdc_name);
296 p->domain = SET_STRING(r->logon29.domain);
297 p->pdc_dns_name = SET_STRING(r->logon29.pdc_dns_name);
298 p->dns_domain = SET_STRING(r->logon29.dns_domain);
299 p->server_type = r->logon29.server_type;
300 p->forest = SET_STRING(r->logon29.forest);
301 p->domain_uuid = r->logon29.domain_uuid;
302 p->server_site = SET_STRING(r->logon29.server_site);
303 p->client_site = SET_STRING(r->logon29.client_site);
304 p->next_closest_site = SET_STRING(r->logon29.next_closest_site);
305
306 break;
307 default:
308 return NT_STATUS_INVALID_PARAMETER;
309 }
310
311 return NT_STATUS_OK;
312 }
313
314 /****************************************************************
315 ****************************************************************/
316
317 static NTSTATUS store_cldap_reply(TALLOC_CTX *mem_ctx,
318 uint32_t flags,
319 struct sockaddr_storage *ss,
320 uint32_t nt_version,
321 union nbt_cldap_netlogon *r)
322 {
323 DATA_BLOB blob;
324 enum ndr_err_code ndr_err;
325 NTSTATUS status;
326 struct nbt_cldap_netlogon_29 logon29;
327
328 status = map_logon29_from_cldap_reply(mem_ctx, flags, ss,
329 nt_version, r, &logon29);
330 if (!NT_STATUS_IS_OK(status)) {
331 return status;
332 }
333
334 ndr_err = ndr_push_struct_blob(&blob, mem_ctx, &logon29,
335 (ndr_push_flags_fn_t)ndr_push_nbt_cldap_netlogon_29);
336 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
337 return ndr_map_error2ntstatus(ndr_err);
338 }
339
340 if (logon29.domain) {
341 status = dsgetdcname_cache_store(mem_ctx, logon29.domain, &blob);
342 if (!NT_STATUS_IS_OK(status)) {
343 goto done;
344 }
345 }
346 if (logon29.dns_domain) {
347 status = dsgetdcname_cache_store(mem_ctx, logon29.dns_domain, &blob);
348 if (!NT_STATUS_IS_OK(status)) {
349 goto done;
350 }
351 }
352
353 done:
354 data_blob_free(&blob);
355
356 return status;
357 }
358
359 /****************************************************************
360 ****************************************************************/
361
362 static NTSTATUS dsgetdcname_cache_refresh(TALLOC_CTX *mem_ctx,
363 struct messaging_context *msg_ctx,
364 const char *domain_name,
365 struct GUID *domain_guid,
366 uint32_t flags,
367 const char *site_name,
368 struct netr_DsRGetDCNameInfo *info)
369 {
370 struct netr_DsRGetDCNameInfo *dc_info;
371
372 return dsgetdcname(mem_ctx,
373 msg_ctx,
374 domain_name,
375 domain_guid,
376 site_name,
377 flags | DS_FORCE_REDISCOVERY,
378 &dc_info);
379 }
380
381 /****************************************************************
382 ****************************************************************/
383
384 static uint32_t get_cldap_reply_server_flags(union nbt_cldap_netlogon *r,
385 uint32_t nt_version)
386 {
387 switch (nt_version & 0x0000001f) {
388 case 0:
389 case 1:
390 case 16:
391 case 17:
392 return 0;
393 case 2:
394 case 3:
395 case 18:
396 case 19:
397 return r->logon3.server_type;
398 case 4:
399 case 5:
400 case 6:
401 case 7:
402 return r->logon5.server_type;
403 case 8:
404 case 9:
405 case 10:
406 case 11:
407 case 12:
408 case 13:
409 case 14:
410 case 15:
411 return r->logon13.server_type;
412 case 20:
413 case 21:
414 case 22:
415 case 23:
416 case 24:
417 case 25:
418 case 26:
419 case 27:
420 case 28:
421 return r->logon15.server_type;
422 case 29:
423 case 30:
424 case 31:
425 return r->logon29.server_type;
426 default:
427 return 0;
428 }
429 }
430
431 /****************************************************************
432 ****************************************************************/
433
434 #define RETURN_ON_FALSE(x) if (!x) return false;
435
436 static bool check_cldap_reply_required_flags(uint32_t ret_flags,
437 uint32_t req_flags)
438 {
439 if (ret_flags == 0) {
440 return true;
441 }
442
443 if (req_flags & DS_PDC_REQUIRED)
444 RETURN_ON_FALSE(ret_flags & NBT_SERVER_PDC);
445
446 if (req_flags & DS_GC_SERVER_REQUIRED)
447 RETURN_ON_FALSE(ret_flags & NBT_SERVER_GC);
448
449 if (req_flags & DS_ONLY_LDAP_NEEDED)
450 RETURN_ON_FALSE(ret_flags & NBT_SERVER_LDAP);
451
452 if ((req_flags & DS_DIRECTORY_SERVICE_REQUIRED) ||
453 (req_flags & DS_DIRECTORY_SERVICE_PREFERRED))
454 RETURN_ON_FALSE(ret_flags & NBT_SERVER_DS);
455
456 if (req_flags & DS_KDC_REQUIRED)
457 RETURN_ON_FALSE(ret_flags & NBT_SERVER_KDC);
458
459 if (req_flags & DS_TIMESERV_REQUIRED)
460 RETURN_ON_FALSE(ret_flags & NBT_SERVER_TIMESERV);
461
462 if (req_flags & DS_WRITABLE_REQUIRED)
463 RETURN_ON_FALSE(ret_flags & NBT_SERVER_WRITABLE);
464
465 return true;
466 }
467
468 /****************************************************************
469 ****************************************************************/
470
471 static NTSTATUS dsgetdcname_cache_fetch(TALLOC_CTX *mem_ctx,
472 const char *domain_name,
473 struct GUID *domain_guid,
474 uint32_t flags,
475 const char *site_name,
476 struct netr_DsRGetDCNameInfo **info_p,
477 bool *expired)
478 {
479 char *key;
480 DATA_BLOB blob;
481 enum ndr_err_code ndr_err;
482 struct netr_DsRGetDCNameInfo *info;
483 union nbt_cldap_netlogon p;
484 struct nbt_cldap_netlogon_29 r;
485 NTSTATUS status;
486
487 if (!gencache_init()) {
488 return NT_STATUS_INTERNAL_DB_ERROR;
489 }
490
491 key = dsgetdcname_cache_key(mem_ctx, domain_name);
492 if (!key) {
493 return NT_STATUS_NO_MEMORY;
494 }
495
496 if (!gencache_get_data_blob(key, &blob, expired)) {
497 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
498 }
499
500 info = TALLOC_ZERO_P(mem_ctx, struct netr_DsRGetDCNameInfo);
501 if (!info) {
502 return NT_STATUS_NO_MEMORY;
503 }
504
505 ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
506 (ndr_pull_flags_fn_t)ndr_pull_nbt_cldap_netlogon_29);
507
508 data_blob_free(&blob);
509 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
510 dsgetdcname_cache_delete(mem_ctx, domain_name);
511 return ndr_map_error2ntstatus(ndr_err);
512 }
513
514 p.logon29 = r;
515
516 status = make_dc_info_from_cldap_reply(mem_ctx, flags, NULL,
517 29,
518 &p, &info);
519 if (!NT_STATUS_IS_OK(status)) {
520 return status;
521 }
522
523 if (DEBUGLEVEL >= 10) {
524 NDR_PRINT_DEBUG(netr_DsRGetDCNameInfo, info);
525 }
526
527 /* check flags */
528 if (!check_cldap_reply_required_flags(info->dc_flags, flags)) {
529 DEBUG(10,("invalid flags\n"));
530 return NT_STATUS_INVALID_PARAMETER;
531 }
532
533 if ((flags & DS_IP_REQUIRED) &&
534 (info->dc_address_type != DS_ADDRESS_TYPE_INET)) {
535 return NT_STATUS_INVALID_PARAMETER_MIX;
536 }
537
538 *info_p = info;
539
540 return NT_STATUS_OK;
541 }
542
543 /****************************************************************
544 ****************************************************************/
545
546 static NTSTATUS dsgetdcname_cached(TALLOC_CTX *mem_ctx,
547 struct messaging_context *msg_ctx,
548 const char *domain_name,
549 struct GUID *domain_guid,
550 uint32_t flags,
551 const char *site_name,
552 struct netr_DsRGetDCNameInfo **info)
553 {
554 NTSTATUS status;
555 bool expired = false;
556
557 status = dsgetdcname_cache_fetch(mem_ctx, domain_name, domain_guid,
558 flags, site_name, info, &expired);
559 if (!NT_STATUS_IS_OK(status)) {
560 DEBUG(10,("dsgetdcname_cached: cache fetch failed with: %s\n",
561 nt_errstr(status)));
562 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
563 }
564
565 if (flags & DS_BACKGROUND_ONLY) {
566 return status;
567 }
568
569 if (expired) {
570 status = dsgetdcname_cache_refresh(mem_ctx, msg_ctx,
571 domain_name,
572 domain_guid, flags,
573 site_name, *info);
574 if (!NT_STATUS_IS_OK(status)) {
575 return status;
576 }
577 }
578
579 return status;
580 }
581
582 /****************************************************************
583 ****************************************************************/
584
585 static bool check_allowed_required_flags(uint32_t flags)
586 {
587 uint32_t return_type = flags & (DS_RETURN_FLAT_NAME|DS_RETURN_DNS_NAME);
588 uint32_t offered_type = flags & (DS_IS_FLAT_NAME|DS_IS_DNS_NAME);
589 uint32_t query_type = flags & (DS_BACKGROUND_ONLY|DS_FORCE_REDISCOVERY);
590
591 /* FIXME: check for DSGETDC_VALID_FLAGS and check for excluse bits
592 * (DS_PDC_REQUIRED, DS_KDC_REQUIRED, DS_GC_SERVER_REQUIRED) */
593
594 debug_dsdcinfo_flags(10, flags);
595
596 if (return_type == (DS_RETURN_FLAT_NAME|DS_RETURN_DNS_NAME)) {
597 return false;
598 }
599
600 if (offered_type == (DS_IS_DNS_NAME|DS_IS_FLAT_NAME)) {
601 return false;
602 }
603
604 if (query_type == (DS_BACKGROUND_ONLY|DS_FORCE_REDISCOVERY)) {
605 return false;
606 }
607
608 #if 0
609 if ((flags & DS_RETURN_DNS_NAME) && (!(flags & DS_IP_REQUIRED))) {
610 printf("gd: here5 \n");
611 return false;
612 }
613 #endif
614 return true;
615 }
616
617 /****************************************************************
618 ****************************************************************/
619
620 static NTSTATUS discover_dc_netbios(TALLOC_CTX *mem_ctx,
621 const char *domain_name,
622 uint32_t flags,
623 struct ip_service_name **returned_dclist,
624 int *returned_count)
625 {
626 NTSTATUS status;
627 enum nbt_name_type name_type = NBT_NAME_LOGON;
628 struct ip_service *iplist;
629 int i;
630 struct ip_service_name *dclist = NULL;
631 int count;
632
633 *returned_dclist = NULL;
634 *returned_count = 0;
635
636 if (lp_disable_netbios()) {
637 return NT_STATUS_NOT_SUPPORTED;
638 }
639
640 if (flags & DS_PDC_REQUIRED) {
641 name_type = NBT_NAME_PDC;
642 }
643
644 status = internal_resolve_name(domain_name, name_type, NULL,
645 &iplist, &count,
646 "lmhosts wins bcast");
647 if (!NT_STATUS_IS_OK(status)) {
648 DEBUG(10,("discover_dc_netbios: failed to find DC\n"));
649 return status;
650 }
651
652 dclist = TALLOC_ZERO_ARRAY(mem_ctx, struct ip_service_name, count);
653 if (!dclist) {
654 return NT_STATUS_NO_MEMORY;
655 }
656
657 for (i=0; i<count; i++) {
658
659 char addr[INET6_ADDRSTRLEN];
660 struct ip_service_name *r = &dclist[i];
661
662 print_sockaddr(addr, sizeof(addr),
663 &iplist[i].ss);
664
665 r->ss = iplist[i].ss;
666 r->port = iplist[i].port;
667 r->hostname = talloc_strdup(mem_ctx, addr);
668 if (!r->hostname) {
669 return NT_STATUS_NO_MEMORY;
670 }
671
672 }
673
674 *returned_dclist = dclist;
675 *returned_count = count;
676
677 return NT_STATUS_OK;
678 }
679
680 /****************************************************************
681 ****************************************************************/
682
683 static NTSTATUS discover_dc_dns(TALLOC_CTX *mem_ctx,
684 const char *domain_name,
685 struct GUID *domain_guid,
686 uint32_t flags,
687 const char *site_name,
688 struct ip_service_name **returned_dclist,
689 int *return_count)
690 {
691 int i, j;
692 NTSTATUS status;
693 struct dns_rr_srv *dcs = NULL;
694 int numdcs = 0;
695 int numaddrs = 0;
696 struct ip_service_name *dclist = NULL;
697 int count = 0;
698
699 if (flags & DS_PDC_REQUIRED) {
700 status = ads_dns_query_pdc(mem_ctx, domain_name,
701 &dcs, &numdcs);
702 } else if (flags & DS_GC_SERVER_REQUIRED) {
703 status = ads_dns_query_gcs(mem_ctx, domain_name, site_name,
704 &dcs, &numdcs);
705 } else if (flags & DS_KDC_REQUIRED) {
706 status = ads_dns_query_kdcs(mem_ctx, domain_name, site_name,
707 &dcs, &numdcs);
708 } else if (flags & DS_DIRECTORY_SERVICE_REQUIRED) {
709 status = ads_dns_query_dcs(mem_ctx, domain_name, site_name,
710 &dcs, &numdcs);
711 } else if (domain_guid) {
712 status = ads_dns_query_dcs_guid(mem_ctx, domain_name,
713 domain_guid, &dcs, &numdcs);
714 } else {
715 status = ads_dns_query_dcs(mem_ctx, domain_name, site_name,
716 &dcs, &numdcs);
717 }
718
719 if (!NT_STATUS_IS_OK(status)) {
720 return status;
721 }
722
723 if (numdcs == 0) {
724 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
725 }
726
727 for (i=0;i<numdcs;i++) {
728 numaddrs += MAX(dcs[i].num_ips,1);
729 }
730
731 dclist = TALLOC_ZERO_ARRAY(mem_ctx,
732 struct ip_service_name,
733 numaddrs);
734 if (!dclist) {
735 return NT_STATUS_NO_MEMORY;
736 }
737
738 /* now unroll the list of IP addresses */
739
740 *return_count = 0;
741 i = 0;
742 j = 0;
743
744 while ((i < numdcs) && (count < numaddrs)) {
745
746 struct ip_service_name *r = &dclist[count];
747
748 r->port = dcs[count].port;
749 r->hostname = dcs[count].hostname;
750
751 /* If we don't have an IP list for a name, lookup it up */
752
753 if (!dcs[i].ss_s) {
754 interpret_string_addr(&r->ss, dcs[i].hostname, 0);
755 i++;
756 j = 0;
757 } else {
758 /* use the IP addresses from the SRV sresponse */
759
760 if (j >= dcs[i].num_ips) {
761 i++;
762 j = 0;
763 continue;
764 }
765
766 r->ss = dcs[i].ss_s[j];
767 j++;
768 }
769
770 /* make sure it is a valid IP. I considered checking the
771 * negative connection cache, but this is the wrong place for
772 * it. Maybe only as a hac. After think about it, if all of
773 * the IP addresses retuend from DNS are dead, what hope does a
774 * netbios name lookup have? The standard reason for falling
775 * back to netbios lookups is that our DNS server doesn't know
776 * anything about the DC's -- jerry */
777
778 if (!is_zero_addr(&r->ss)) {
779 count++;
780 continue;
781 }
782 }
783
784 *returned_dclist = dclist;
785 *return_count = count;
786
787 if (count > 0) {
788 return NT_STATUS_OK;
789 }
790
791 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
792 }
793
794 /****************************************************************
795 ****************************************************************/
796
797 static NTSTATUS make_domain_controller_info(TALLOC_CTX *mem_ctx,
798 const char *dc_unc,
799 const char *dc_address,
800 uint32_t dc_address_type,
801 const struct GUID *domain_guid,
802 const char *domain_name,
803 const char *forest_name,
804 uint32_t flags,
805 const char *dc_site_name,
806 const char *client_site_name,
807 struct netr_DsRGetDCNameInfo **info_out)
808 {
809 struct netr_DsRGetDCNameInfo *info;
810
811 info = TALLOC_ZERO_P(mem_ctx, struct netr_DsRGetDCNameInfo);
812 NT_STATUS_HAVE_NO_MEMORY(info);
813
814 if (dc_unc) {
815 info->dc_unc = talloc_strdup(mem_ctx, dc_unc);
816 NT_STATUS_HAVE_NO_MEMORY(info->dc_unc);
817 }
818
819 if (dc_address) {
820 if (!(dc_address[0] == '\\' && dc_address[1] == '\\')) {
821 info->dc_address = talloc_asprintf(mem_ctx, "\\\\%s",
822 dc_address);
823 } else {
824 info->dc_address = talloc_strdup(mem_ctx, dc_address);
825 }
826 NT_STATUS_HAVE_NO_MEMORY(info->dc_address);
827 }
828
829 info->dc_address_type = dc_address_type;
830
831 if (domain_guid) {
832 info->domain_guid = *domain_guid;
833 }
834
835 if (domain_name) {
836 info->domain_name = talloc_strdup(mem_ctx, domain_name);
837 NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
838 }
839
840 if (forest_name && *forest_name) {
841 info->forest_name = talloc_strdup(mem_ctx, forest_name);
842 NT_STATUS_HAVE_NO_MEMORY(info->forest_name);
843 flags |= DS_DNS_FOREST;
844 }
845
846 info->dc_flags = flags;
847
848 if (dc_site_name) {
849 info->dc_site_name = talloc_strdup(mem_ctx, dc_site_name);
850 NT_STATUS_HAVE_NO_MEMORY(info->dc_site_name);
851 }
852
853 if (client_site_name) {
854 info->client_site_name = talloc_strdup(mem_ctx,
855 client_site_name);
856 NT_STATUS_HAVE_NO_MEMORY(info->client_site_name);
857 }
858
859 *info_out = info;
860
861 return NT_STATUS_OK;
862 }
863
864 /****************************************************************
865 ****************************************************************/
866
867 static void map_dc_and_domain_names(uint32_t flags,
868 const char *dc_name,
869 const char *domain_name,
870 const char *dns_dc_name,
871 const char *dns_domain_name,
872 uint32_t *dc_flags,
873 const char **hostname_p,
874 const char **domain_p)
875 {
876 switch (flags & 0xf0000000) {
877 case DS_RETURN_FLAT_NAME:
878 if (dc_name && domain_name &&
879 *dc_name && *domain_name) {
880 *hostname_p = dc_name;
881 *domain_p = domain_name;
882 break;
883 }
884 case DS_RETURN_DNS_NAME:
885 default:
886 if (dns_dc_name && dns_domain_name &&
887 *dns_dc_name && *dns_domain_name) {
888 *hostname_p = dns_dc_name;
889 *domain_p = dns_domain_name;
890 *dc_flags |= DS_DNS_DOMAIN | DS_DNS_CONTROLLER;
891 break;
892 }
893 if (dc_name && domain_name &&
894 *dc_name && *domain_name) {
895 *hostname_p = dc_name;
896 *domain_p = domain_name;
897 break;
898 }
899 }
900 }
901
902 /****************************************************************
903 ****************************************************************/
904
905 static NTSTATUS make_dc_info_from_cldap_reply(TALLOC_CTX *mem_ctx,
906 uint32_t flags,
907 struct sockaddr_storage *ss,
908 uint32_t nt_version,
909 union nbt_cldap_netlogon *r,
910 struct netr_DsRGetDCNameInfo **info)
911 {
912 const char *dc_hostname, *dc_domain_name;
913 const char *dc_address = NULL;
914 const char *dc_forest = NULL;
915 uint32_t dc_address_type = 0;
916 uint32_t dc_flags = 0;
917 struct GUID *dc_domain_guid = NULL;
918 const char *dc_server_site = NULL;
919 const char *dc_client_site = NULL;
920
921 char addr[INET6_ADDRSTRLEN];
922
923 if (ss) {
924 print_sockaddr(addr, sizeof(addr), ss);
925 dc_address = addr;
926 dc_address_type = DS_ADDRESS_TYPE_INET;
927 }
928
929 switch (nt_version & 0x0000001f) {
930 case 0:
931 case 1:
932 case 16:
933 case 17:
934 if (!ss) {
935 dc_address = r->logon1.pdc_name;
936 dc_address_type = DS_ADDRESS_TYPE_NETBIOS;
937 }
938
939 map_dc_and_domain_names(flags,
940 r->logon1.pdc_name,
941 r->logon1.domain_name,
942 NULL,
943 NULL,
944 &dc_flags,
945 &dc_hostname,
946 &dc_domain_name);
947
948 if (flags & DS_PDC_REQUIRED) {
949 dc_flags = NBT_SERVER_WRITABLE | NBT_SERVER_PDC;
950 }
951 break;
952 case 2:
953 case 3:
954 case 18:
955 case 19:
956 if (!ss) {
957 dc_address = r->logon3.pdc_ip;
958 dc_address_type = DS_ADDRESS_TYPE_INET;
959 }
960
961 map_dc_and_domain_names(flags,
962 r->logon3.pdc_name,
963 r->logon3.domain_name,
964 r->logon3.pdc_dns_name,
965 r->logon3.dns_domain,
966 &dc_flags,
967 &dc_hostname,
968 &dc_domain_name);
969
970 dc_flags |= r->logon3.server_type;
971 dc_forest = r->logon3.forest;
972 dc_domain_guid = &r->logon3.domain_uuid;
973
974 break;
975 case 4:
976 case 5:
977 case 6:
978 case 7:
979 if (!ss) {
980 dc_address = r->logon5.pdc_name;
981 dc_address_type = DS_ADDRESS_TYPE_NETBIOS;
982 }
983
984 map_dc_and_domain_names(flags,
985 r->logon5.pdc_name,
986 r->logon5.domain,
987 r->logon5.pdc_dns_name,
988 r->logon5.dns_domain,
989 &dc_flags,
990 &dc_hostname,
991 &dc_domain_name);
992
993 dc_flags |= r->logon5.server_type;
994 dc_forest = r->logon5.forest;
995 dc_domain_guid = &r->logon5.domain_uuid;
996 dc_server_site = r->logon5.server_site;
997 dc_client_site = r->logon5.client_site;
998
999 break;
1000 case 8:
1001 case 9:
1002 case 10:
1003 case 11:
1004 case 12:
1005 case 13:
1006 case 14:
1007 case 15:
1008 if (!ss) {
1009 dc_address = r->logon13.dc_sock_addr.pdc_ip;
1010 dc_address_type = DS_ADDRESS_TYPE_INET;
1011 }
1012
1013 map_dc_and_domain_names(flags,
1014 r->logon13.pdc_name,
1015 r->logon13.domain,
1016 r->logon13.pdc_dns_name,
1017 r->logon13.dns_domain,
1018 &dc_flags,
1019 &dc_hostname,
1020 &dc_domain_name);
1021
1022 dc_flags |= r->logon13.server_type;
1023 dc_forest = r->logon13.forest;
1024 dc_domain_guid = &r->logon13.domain_uuid;
1025 dc_server_site = r->logon13.server_site;
1026 dc_client_site = r->logon13.client_site;
1027
1028 break;
1029 case 20:
1030 case 21:
1031 case 22:
1032 case 23:
1033 case 24:
1034 case 25:
1035 case 26:
1036 case 27:
1037 case 28:
1038 if (!ss) {
1039 dc_address = r->logon15.pdc_name;
1040 dc_address_type = DS_ADDRESS_TYPE_NETBIOS;
1041 }
1042
1043 map_dc_and_domain_names(flags,
1044 r->logon15.pdc_name,
1045 r->logon15.domain,
1046 r->logon15.pdc_dns_name,
1047 r->logon15.dns_domain,
1048 &dc_flags,
1049 &dc_hostname,
1050 &dc_domain_name);
1051
1052 dc_flags |= r->logon15.server_type;
1053 dc_forest = r->logon15.forest;
1054 dc_domain_guid = &r->logon15.domain_uuid;
1055 dc_server_site = r->logon15.server_site;
1056 dc_client_site = r->logon15.client_site;
1057
1058 break;
1059 case 29:
1060 case 30:
1061 case 31:
1062 if (!ss) {
1063 dc_address = r->logon29.dc_sock_addr.pdc_ip;
1064 dc_address_type = DS_ADDRESS_TYPE_INET;
1065 }
1066
1067 map_dc_and_domain_names(flags,
1068 r->logon29.pdc_name,
1069 r->logon29.domain,
1070 r->logon29.pdc_dns_name,
1071 r->logon29.dns_domain,
1072 &dc_flags,
1073 &dc_hostname,
1074 &dc_domain_name);
1075
1076 dc_flags |= r->logon29.server_type;
1077 dc_forest = r->logon29.forest;
1078 dc_domain_guid = &r->logon29.domain_uuid;
1079 dc_server_site = r->logon29.server_site;
1080 dc_client_site = r->logon29.client_site;
1081
1082 break;
1083 default:
1084 return NT_STATUS_INVALID_PARAMETER;
1085 }
1086
1087 return make_domain_controller_info(mem_ctx,
1088 dc_hostname,
1089 dc_address,
1090 dc_address_type,
1091 dc_domain_guid,
1092 dc_domain_name,
1093 dc_forest,
1094 dc_flags,
1095 dc_server_site,
1096 dc_client_site,
1097 info);
1098 }
1099
1100 /****************************************************************
1101 ****************************************************************/
1102
1103 static uint32_t map_ds_flags_to_nt_version(uint32_t flags)
1104 {
1105 uint32_t nt_version = 0;
1106
1107 if (flags & DS_PDC_REQUIRED) {
1108 nt_version |= NETLOGON_VERSION_PDC;
1109 }
1110
1111 if (flags & DS_GC_SERVER_REQUIRED) {
1112 nt_version |= NETLOGON_VERSION_GC;
1113 }
1114
1115 if (flags & DS_TRY_NEXTCLOSEST_SITE) {
1116 nt_version |= NETLOGON_VERSION_WITH_CLOSEST_SITE;
1117 }
1118
1119 if (flags & DS_IP_REQUIRED) {
1120 nt_version |= NETLOGON_VERSION_IP;
1121 }
1122
1123 return nt_version;
1124 }
1125
1126 /****************************************************************
1127 ****************************************************************/
1128
1129 static NTSTATUS process_dc_dns(TALLOC_CTX *mem_ctx,
1130 const char *domain_name,
1131 uint32_t flags,
1132 struct ip_service_name *dclist,
1133 int num_dcs,
1134 struct netr_DsRGetDCNameInfo **info)
1135 {
1136 int i = 0;
1137 bool valid_dc = false;
1138 union nbt_cldap_netlogon *r = NULL;
1139 uint32_t nt_version = NETLOGON_VERSION_5 |
1140 NETLOGON_VERSION_5EX;
1141 uint32_t ret_flags = 0;
1142 NTSTATUS status;
1143
1144 nt_version |= map_ds_flags_to_nt_version(flags);
1145
1146 for (i=0; i<num_dcs; i++) {
1147
1148 DEBUG(10,("LDAP ping to %s\n", dclist[i].hostname));
1149
1150 if (ads_cldap_netlogon(mem_ctx, dclist[i].hostname,
1151 domain_name,
1152 &nt_version,
1153 &r))
1154 {
1155 ret_flags = get_cldap_reply_server_flags(r, nt_version);
1156
1157 if (check_cldap_reply_required_flags(ret_flags, flags)) {
1158 valid_dc = true;
1159 break;
1160 }
1161 }
1162
1163 continue;
1164 }
1165
1166 if (!valid_dc) {
1167 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1168 }
1169
1170 status = make_dc_info_from_cldap_reply(mem_ctx, flags, &dclist[i].ss,
1171 nt_version, r, info);
1172 if (NT_STATUS_IS_OK(status)) {
1173 return store_cldap_reply(mem_ctx, flags, &dclist[i].ss,
1174 nt_version, r);
1175 }
1176
1177 return status;
1178 }
1179
1180 /****************************************************************
1181 ****************************************************************/
1182
1183 static struct event_context *ev_context(void)
1184 {
1185 static struct event_context *ctx;
1186
1187 if (!ctx && !(ctx = event_context_init(NULL))) {
1188 smb_panic("Could not init event context");
1189 }
1190 return ctx;
1191 }
1192
1193 /****************************************************************
1194 ****************************************************************/
1195
1196 static struct messaging_context *msg_context(TALLOC_CTX *mem_ctx)
1197 {
1198 static struct messaging_context *ctx;
1199
1200 if (!ctx && !(ctx = messaging_init(mem_ctx, server_id_self(),
1201 ev_context()))) {
1202 smb_panic("Could not init messaging context");
1203 }
1204 return ctx;
1205 }
1206
1207 /****************************************************************
1208 ****************************************************************/
1209
1210 static NTSTATUS process_dc_netbios(TALLOC_CTX *mem_ctx,
1211 struct messaging_context *msg_ctx,
1212 const char *domain_name,
1213 uint32_t flags,
1214 struct ip_service_name *dclist,
1215 int num_dcs,
1216 struct netr_DsRGetDCNameInfo **info)
1217 {
1218 struct sockaddr_storage ss;
1219 struct ip_service ip_list;
1220 enum nbt_name_type name_type = NBT_NAME_LOGON;
1221 NTSTATUS status;
1222 int i;
1223 const char *dc_name = NULL;
1224 fstring tmp_dc_name;
1225 union nbt_cldap_netlogon *r = NULL;
1226 bool store_cache = false;
1227 uint32_t nt_version = NETLOGON_VERSION_1 |
1228 NETLOGON_VERSION_5 |
1229 NETLOGON_VERSION_5EX_WITH_IP;
1230
1231 if (!msg_ctx) {
1232 msg_ctx = msg_context(mem_ctx);
1233 }
1234
1235 if (flags & DS_PDC_REQUIRED) {
1236 name_type = NBT_NAME_PDC;
1237 }
1238
1239 nt_version |= map_ds_flags_to_nt_version(flags);
1240
1241 DEBUG(10,("process_dc_netbios\n"));
1242
1243 for (i=0; i<num_dcs; i++) {
1244
1245 ip_list.ss = dclist[i].ss;
1246 ip_list.port = 0;
1247
1248 if (!interpret_string_addr(&ss, dclist[i].hostname, AI_NUMERICHOST)) {
1249 return NT_STATUS_UNSUCCESSFUL;
1250 }
1251
1252 if (send_getdc_request(mem_ctx, msg_ctx,
1253 &dclist[i].ss, domain_name,
1254 NULL, nt_version))
1255 {
1256 int k;
1257 smb_msleep(300);
1258 for (k=0; k<5; k++) {
1259 if (receive_getdc_response(mem_ctx,
1260 &dclist[i].ss,
1261 domain_name,
1262 &nt_version,
1263 &dc_name,
1264 &r)) {
1265 store_cache = true;
1266 namecache_store(dc_name, NBT_NAME_SERVER, 1, &ip_list);
1267 goto make_reply;
1268 }
1269 smb_msleep(1500);
1270 }
1271 }
1272
1273 if (name_status_find(domain_name,
1274 name_type,
1275 NBT_NAME_SERVER,
1276 &dclist[i].ss,
1277 tmp_dc_name))
1278 {
1279 struct nbt_cldap_netlogon_1 logon1;
1280
1281 r = TALLOC_ZERO_P(mem_ctx, union nbt_cldap_netlogon);
1282 NT_STATUS_HAVE_NO_MEMORY(r);
1283
1284 ZERO_STRUCT(logon1);
1285
1286 nt_version = NETLOGON_VERSION_1;
1287
1288 logon1.nt_version = nt_version;
1289 logon1.pdc_name = tmp_dc_name;
1290 logon1.domain_name = talloc_strdup_upper(mem_ctx, domain_name);
1291 NT_STATUS_HAVE_NO_MEMORY(logon1.domain_name);
1292
1293 r->logon1 = logon1;
1294
1295 namecache_store(tmp_dc_name, NBT_NAME_SERVER, 1, &ip_list);
1296
1297 goto make_reply;
1298 }
1299 }
1300
1301 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1302
1303 make_reply:
1304
1305 status = make_dc_info_from_cldap_reply(mem_ctx, flags, &dclist[i].ss,
1306 nt_version, r, info);
1307 if (NT_STATUS_IS_OK(status) && store_cache) {
1308 return store_cldap_reply(mem_ctx, flags, &dclist[i].ss,
1309 nt_version, r);
1310 }
1311
1312 return status;
1313 }
1314
1315 /****************************************************************
1316 ****************************************************************/
1317
1318 static NTSTATUS dsgetdcname_rediscover(TALLOC_CTX *mem_ctx,
1319 struct messaging_context *msg_ctx,
1320 const char *domain_name,
1321 struct GUID *domain_guid,
1322 uint32_t flags,
1323 const char *site_name,
1324 struct netr_DsRGetDCNameInfo **info)
1325 {
1326 NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1327 struct ip_service_name *dclist = NULL;
1328 int num_dcs;
1329
1330 DEBUG(10,("dsgetdcname_rediscover\n"));
1331
1332 if (flags & DS_IS_FLAT_NAME) {
1333
1334 status = discover_dc_netbios(mem_ctx, domain_name, flags,
1335 &dclist, &num_dcs);
1336 NT_STATUS_NOT_OK_RETURN(status);
1337
1338 return process_dc_netbios(mem_ctx, msg_ctx, domain_name, flags,
1339 dclist, num_dcs, info);
1340 }
1341
1342 if (flags & DS_IS_DNS_NAME) {
1343
1344 status = discover_dc_dns(mem_ctx, domain_name, domain_guid,
1345 flags, site_name, &dclist, &num_dcs);
1346 NT_STATUS_NOT_OK_RETURN(status);
1347
1348 return process_dc_dns(mem_ctx, domain_name, flags,
1349 dclist, num_dcs, info);
1350 }
1351
1352 status = discover_dc_dns(mem_ctx, domain_name, domain_guid, flags,
1353 site_name, &dclist, &num_dcs);
1354
1355 if (NT_STATUS_IS_OK(status) && num_dcs != 0) {
1356
1357 status = process_dc_dns(mem_ctx, domain_name, flags, dclist,
1358 num_dcs, info);
1359 if (NT_STATUS_IS_OK(status)) {
1360 return status;
1361 }
1362 }
1363
1364 status = discover_dc_netbios(mem_ctx, domain_name, flags, &dclist,
1365 &num_dcs);
1366 NT_STATUS_NOT_OK_RETURN(status);
1367
1368 return process_dc_netbios(mem_ctx, msg_ctx, domain_name, flags, dclist,
1369 num_dcs, info);
1370 }
1371
1372 /********************************************************************
1373 dsgetdcname.
1374
1375 This will be the only public function here.
1376 ********************************************************************/
1377
1378 NTSTATUS dsgetdcname(TALLOC_CTX *mem_ctx,
1379 struct messaging_context *msg_ctx,
1380 const char *domain_name,
1381 struct GUID *domain_guid,
1382 const char *site_name,
1383 uint32_t flags,
1384 struct netr_DsRGetDCNameInfo **info)
1385 {
1386 NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1387 struct netr_DsRGetDCNameInfo *myinfo = NULL;
1388
1389 DEBUG(10,("dsgetdcname: domain_name: %s, "
1390 "domain_guid: %s, site_name: %s, flags: 0x%08x\n",
1391 domain_name,
1392 domain_guid ? GUID_string(mem_ctx, domain_guid) : "(null)",
1393 site_name, flags));
1394
1395 *info = NULL;
1396
1397 if (!check_allowed_required_flags(flags)) {
1398 DEBUG(0,("invalid flags specified\n"));
1399 return NT_STATUS_INVALID_PARAMETER;
1400 }
1401
1402 if (flags & DS_FORCE_REDISCOVERY) {
1403 goto rediscover;
1404 }
1405
1406 status = dsgetdcname_cached(mem_ctx, msg_ctx, domain_name, domain_guid,
1407 flags, site_name, &myinfo);
1408 if (NT_STATUS_IS_OK(status)) {
1409 *info = myinfo;
1410 return status;
1411 }
1412
1413 if (flags & DS_BACKGROUND_ONLY) {
1414 return status;
1415 }
1416
1417 rediscover:
1418 status = dsgetdcname_rediscover(mem_ctx, msg_ctx, domain_name,
1419 domain_guid, flags, site_name,
1420 &myinfo);
1421
1422 if (NT_STATUS_IS_OK(status)) {
1423 *info = myinfo;
1424 }
1425
1426 return status;
1427 }
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