2 Unix SMB/CIFS implementation.
6 Copyright (C) Gerald Carter 2006
7 Copyright (C) Guenther Deschner 2007-2008
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.
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.
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/>.
25 #define DSGETDCNAME_FMT "DSGETDCNAME/DOMAIN/%s"
27 #define DSGETDCNAME_CACHE_TTL 60*15
29 struct ip_service_name
{
30 struct sockaddr_storage ss
;
35 /****************************************************************
36 ****************************************************************/
38 void debug_dsdcinfo_flags(int lvl
, uint32_t flags
)
40 DEBUG(lvl
,("debug_dsdcinfo_flags: 0x%08x\n\t", flags
));
42 if (flags
& DS_FORCE_REDISCOVERY
)
43 DEBUGADD(lvl
,("DS_FORCE_REDISCOVERY "));
44 if (flags
& 0x000000002)
45 DEBUGADD(lvl
,("0x00000002 "));
46 if (flags
& 0x000000004)
47 DEBUGADD(lvl
,("0x00000004 "));
48 if (flags
& 0x000000008)
49 DEBUGADD(lvl
,("0x00000008 "));
50 if (flags
& DS_DIRECTORY_SERVICE_REQUIRED
)
51 DEBUGADD(lvl
,("DS_DIRECTORY_SERVICE_REQUIRED "));
52 if (flags
& DS_DIRECTORY_SERVICE_PREFERRED
)
53 DEBUGADD(lvl
,("DS_DIRECTORY_SERVICE_PREFERRED "));
54 if (flags
& DS_GC_SERVER_REQUIRED
)
55 DEBUGADD(lvl
,("DS_GC_SERVER_REQUIRED "));
56 if (flags
& DS_PDC_REQUIRED
)
57 DEBUGADD(lvl
,("DS_PDC_REQUIRED "));
58 if (flags
& DS_BACKGROUND_ONLY
)
59 DEBUGADD(lvl
,("DS_BACKGROUND_ONLY "));
60 if (flags
& DS_IP_REQUIRED
)
61 DEBUGADD(lvl
,("DS_IP_REQUIRED "));
62 if (flags
& DS_KDC_REQUIRED
)
63 DEBUGADD(lvl
,("DS_KDC_REQUIRED "));
64 if (flags
& DS_TIMESERV_REQUIRED
)
65 DEBUGADD(lvl
,("DS_TIMESERV_REQUIRED "));
66 if (flags
& DS_WRITABLE_REQUIRED
)
67 DEBUGADD(lvl
,("DS_WRITABLE_REQUIRED "));
68 if (flags
& DS_GOOD_TIMESERV_PREFERRED
)
69 DEBUGADD(lvl
,("DS_GOOD_TIMESERV_PREFERRED "));
70 if (flags
& DS_AVOID_SELF
)
71 DEBUGADD(lvl
,("DS_AVOID_SELF "));
72 if (flags
& DS_ONLY_LDAP_NEEDED
)
73 DEBUGADD(lvl
,("DS_ONLY_LDAP_NEEDED "));
74 if (flags
& DS_IS_FLAT_NAME
)
75 DEBUGADD(lvl
,("DS_IS_FLAT_NAME "));
76 if (flags
& DS_IS_DNS_NAME
)
77 DEBUGADD(lvl
,("DS_IS_DNS_NAME "));
78 if (flags
& 0x00040000)
79 DEBUGADD(lvl
,("0x00040000 "));
80 if (flags
& 0x00080000)
81 DEBUGADD(lvl
,("0x00080000 "));
82 if (flags
& 0x00100000)
83 DEBUGADD(lvl
,("0x00100000 "));
84 if (flags
& 0x00200000)
85 DEBUGADD(lvl
,("0x00200000 "));
86 if (flags
& 0x00400000)
87 DEBUGADD(lvl
,("0x00400000 "));
88 if (flags
& 0x00800000)
89 DEBUGADD(lvl
,("0x00800000 "));
90 if (flags
& 0x01000000)
91 DEBUGADD(lvl
,("0x01000000 "));
92 if (flags
& 0x02000000)
93 DEBUGADD(lvl
,("0x02000000 "));
94 if (flags
& 0x04000000)
95 DEBUGADD(lvl
,("0x04000000 "));
96 if (flags
& 0x08000000)
97 DEBUGADD(lvl
,("0x08000000 "));
98 if (flags
& 0x10000000)
99 DEBUGADD(lvl
,("0x10000000 "));
100 if (flags
& 0x20000000)
101 DEBUGADD(lvl
,("0x20000000 "));
102 if (flags
& DS_RETURN_DNS_NAME
)
103 DEBUGADD(lvl
,("DS_RETURN_DNS_NAME "));
104 if (flags
& DS_RETURN_FLAT_NAME
)
105 DEBUGADD(lvl
,("DS_RETURN_FLAT_NAME "));
107 DEBUGADD(lvl
,("\n"));
110 /*********************************************************************
111 ********************************************************************/
113 static int pack_dsdcinfo(struct netr_DsRGetDCNameInfo
*info
,
116 unsigned char *buffer
= NULL
;
121 DEBUG(10,("pack_dsdcinfo: Packing dsdcinfo\n"));
123 ZERO_STRUCT(guid_flat
);
125 if (!GUID_all_zero(&info
->domain_guid
)) {
126 smb_uuid_pack(info
->domain_guid
, &guid_flat
);
133 DEBUG(10,("pack_dsdcinfo: Packing domain %s (%s)\n",
134 info
->domain_name
, info
->dc_unc
));
137 len
+= tdb_pack(buffer
+len
, buflen
-len
, "ffdBffdff",
140 info
->dc_address_type
,
141 UUID_FLAT_SIZE
, guid_flat
.info
,
146 info
->client_site_name
);
150 if ((buffer
= SMB_MALLOC_ARRAY(unsigned char, len
)) == NULL
) {
151 DEBUG(0,("pack_dsdcinfo: failed to alloc buffer!\n"));
165 /*********************************************************************
166 ********************************************************************/
168 static NTSTATUS
unpack_dsdcinfo(TALLOC_CTX
*mem_ctx
,
171 struct netr_DsRGetDCNameInfo
**info_ret
)
174 struct netr_DsRGetDCNameInfo
*info
= NULL
;
175 uint32_t guid_len
= 0;
176 unsigned char *guid_buf
= NULL
;
179 /* forgive me 6 times */
184 fstring dc_site_name
;
185 fstring client_site_name
;
187 info
= TALLOC_ZERO_P(mem_ctx
, struct netr_DsRGetDCNameInfo
);
188 NT_STATUS_HAVE_NO_MEMORY(info
);
190 len
+= tdb_unpack(buf
+len
, buflen
-len
, "ffdBffdff",
193 &info
->dc_address_type
,
194 &guid_len
, &guid_buf
,
201 DEBUG(5,("unpack_dsdcinfo: Failed to unpack domain\n"));
206 talloc_strdup(mem_ctx
, dc_unc
);
208 talloc_strdup(mem_ctx
, dc_address
);
210 talloc_strdup(mem_ctx
, domain_name
);
212 talloc_strdup(mem_ctx
, forest_name
);
214 talloc_strdup(mem_ctx
, dc_site_name
);
215 info
->client_site_name
=
216 talloc_strdup(mem_ctx
, client_site_name
);
220 !info
->domain_name
||
221 !info
->forest_name
||
222 !info
->dc_site_name
||
223 !info
->client_site_name
) {
230 if (guid_len
!= UUID_FLAT_SIZE
) {
234 memcpy(&guid_flat
.info
, guid_buf
, guid_len
);
235 smb_uuid_unpack(guid_flat
, &guid
);
237 info
->domain_guid
= guid
;
241 DEBUG(10,("unpack_dcscinfo: Unpacked domain %s (%s)\n",
242 info
->domain_name
, info
->dc_unc
));
251 return NT_STATUS_NO_MEMORY
;
254 /****************************************************************
255 ****************************************************************/
257 static char *dsgetdcname_cache_key(TALLOC_CTX
*mem_ctx
, const char *domain
)
259 if (!mem_ctx
|| !domain
) {
263 return talloc_asprintf_strupper_m(mem_ctx
, DSGETDCNAME_FMT
, domain
);
266 /****************************************************************
267 ****************************************************************/
269 static NTSTATUS
dsgetdcname_cache_delete(TALLOC_CTX
*mem_ctx
,
270 const char *domain_name
)
274 if (!gencache_init()) {
275 return NT_STATUS_INTERNAL_DB_ERROR
;
278 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
280 return NT_STATUS_NO_MEMORY
;
283 if (!gencache_del(key
)) {
284 return NT_STATUS_UNSUCCESSFUL
;
290 /****************************************************************
291 ****************************************************************/
293 static NTSTATUS
dsgetdcname_cache_store(TALLOC_CTX
*mem_ctx
,
294 const char *domain_name
,
295 struct netr_DsRGetDCNameInfo
*info
)
301 unsigned char *buf
= NULL
;
304 if (!gencache_init()) {
305 return NT_STATUS_INTERNAL_DB_ERROR
;
308 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
310 return NT_STATUS_NO_MEMORY
;
313 expire_time
= time(NULL
) + DSGETDCNAME_CACHE_TTL
;
315 len
= pack_dsdcinfo(info
, &buf
);
317 return NT_STATUS_UNSUCCESSFUL
;
320 blob
= data_blob(buf
, len
);
323 if (gencache_lock_entry(key
) != 0) {
324 data_blob_free(&blob
);
325 return NT_STATUS_LOCK_NOT_GRANTED
;
328 ret
= gencache_set_data_blob(key
, &blob
, expire_time
);
329 data_blob_free(&blob
);
331 gencache_unlock_entry(key
);
333 return ret
? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
336 /****************************************************************
337 ****************************************************************/
339 static NTSTATUS
dsgetdcname_cache_refresh(TALLOC_CTX
*mem_ctx
,
340 const char *domain_name
,
341 struct GUID
*domain_guid
,
343 const char *site_name
,
344 struct netr_DsRGetDCNameInfo
*info
)
346 struct cldap_netlogon_reply r
;
348 /* check if matching entry is older then 15 minutes, if yes, send
349 * CLDAP/MAILSLOT ping again and store the cached data */
353 if (ads_cldap_netlogon(info
->dc_unc
,
354 info
->domain_name
, &r
)) {
356 dsgetdcname_cache_delete(mem_ctx
, domain_name
);
358 return dsgetdcname_cache_store(mem_ctx
,
363 return NT_STATUS_INVALID_NETWORK_RESPONSE
;
366 /****************************************************************
367 ****************************************************************/
369 #define RETURN_ON_FALSE(x) if (!x) return false;
371 static bool check_cldap_reply_required_flags(uint32_t ret_flags
,
374 if (req_flags
& DS_PDC_REQUIRED
)
375 RETURN_ON_FALSE(ret_flags
& ADS_PDC
);
377 if (req_flags
& DS_GC_SERVER_REQUIRED
)
378 RETURN_ON_FALSE(ret_flags
& ADS_GC
);
380 if (req_flags
& DS_ONLY_LDAP_NEEDED
)
381 RETURN_ON_FALSE(ret_flags
& ADS_LDAP
);
383 if ((req_flags
& DS_DIRECTORY_SERVICE_REQUIRED
) ||
384 (req_flags
& DS_DIRECTORY_SERVICE_PREFERRED
))
385 RETURN_ON_FALSE(ret_flags
& ADS_DS
);
387 if (req_flags
& DS_KDC_REQUIRED
)
388 RETURN_ON_FALSE(ret_flags
& ADS_KDC
);
390 if (req_flags
& DS_TIMESERV_REQUIRED
)
391 RETURN_ON_FALSE(ret_flags
& ADS_TIMESERV
);
393 if (req_flags
& DS_WRITABLE_REQUIRED
)
394 RETURN_ON_FALSE(ret_flags
& ADS_WRITABLE
);
399 /****************************************************************
400 ****************************************************************/
402 static NTSTATUS
dsgetdcname_cache_fetch(TALLOC_CTX
*mem_ctx
,
403 const char *domain_name
,
404 struct GUID
*domain_guid
,
406 const char *site_name
,
407 struct netr_DsRGetDCNameInfo
**info
,
414 if (!gencache_init()) {
415 return NT_STATUS_INTERNAL_DB_ERROR
;
418 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
420 return NT_STATUS_NO_MEMORY
;
423 if (!gencache_get_data_blob(key
, &blob
, expired
)) {
424 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
427 status
= unpack_dsdcinfo(mem_ctx
, blob
.data
, blob
.length
, info
);
428 if (!NT_STATUS_IS_OK(status
)) {
429 data_blob_free(&blob
);
433 data_blob_free(&blob
);
436 if (!check_cldap_reply_required_flags((*info
)->dc_flags
, flags
)) {
437 DEBUG(10,("invalid flags\n"));
438 return NT_STATUS_INVALID_PARAMETER
;
441 if ((flags
& DS_IP_REQUIRED
) &&
442 ((*info
)->dc_address_type
!= DS_ADDRESS_TYPE_INET
)) {
443 return NT_STATUS_INVALID_PARAMETER_MIX
;
449 /****************************************************************
450 ****************************************************************/
452 static NTSTATUS
dsgetdcname_cached(TALLOC_CTX
*mem_ctx
,
453 const char *domain_name
,
454 struct GUID
*domain_guid
,
456 const char *site_name
,
457 struct netr_DsRGetDCNameInfo
**info
)
460 bool expired
= false;
462 status
= dsgetdcname_cache_fetch(mem_ctx
, domain_name
, domain_guid
,
463 flags
, site_name
, info
, &expired
);
464 if (!NT_STATUS_IS_OK(status
)) {
465 DEBUG(10,("dsgetdcname_cached: cache fetch failed with: %s\n",
467 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
470 if (flags
& DS_BACKGROUND_ONLY
) {
475 status
= dsgetdcname_cache_refresh(mem_ctx
, domain_name
,
478 if (!NT_STATUS_IS_OK(status
)) {
486 /****************************************************************
487 ****************************************************************/
489 static bool check_allowed_required_flags(uint32_t flags
)
491 uint32_t return_type
= flags
& (DS_RETURN_FLAT_NAME
|DS_RETURN_DNS_NAME
);
492 uint32_t offered_type
= flags
& (DS_IS_FLAT_NAME
|DS_IS_DNS_NAME
);
493 uint32_t query_type
= flags
& (DS_BACKGROUND_ONLY
|DS_FORCE_REDISCOVERY
);
495 /* FIXME: check for DSGETDC_VALID_FLAGS and check for excluse bits
496 * (DS_PDC_REQUIRED, DS_KDC_REQUIRED, DS_GC_SERVER_REQUIRED) */
498 debug_dsdcinfo_flags(10, flags
);
500 if (return_type
== (DS_RETURN_FLAT_NAME
|DS_RETURN_DNS_NAME
)) {
504 if (offered_type
== (DS_IS_DNS_NAME
|DS_IS_FLAT_NAME
)) {
508 if (query_type
== (DS_BACKGROUND_ONLY
|DS_FORCE_REDISCOVERY
)) {
513 if ((flags
& DS_RETURN_DNS_NAME
) && (!(flags
& DS_IP_REQUIRED
))) {
514 printf("gd: here5 \n");
521 /****************************************************************
522 ****************************************************************/
524 static NTSTATUS
discover_dc_netbios(TALLOC_CTX
*mem_ctx
,
525 const char *domain_name
,
527 struct ip_service_name
**returned_dclist
,
530 if (lp_disable_netbios()) {
531 return NT_STATUS_NOT_SUPPORTED
;
534 /* FIXME: code here */
536 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
539 /****************************************************************
540 ****************************************************************/
542 static NTSTATUS
discover_dc_dns(TALLOC_CTX
*mem_ctx
,
543 const char *domain_name
,
544 struct GUID
*domain_guid
,
546 const char *site_name
,
547 struct ip_service_name
**returned_dclist
,
552 struct dns_rr_srv
*dcs
= NULL
;
556 if ((!(flags
& DS_DIRECTORY_SERVICE_REQUIRED
)) &&
557 (!(flags
& DS_KDC_REQUIRED
)) &&
558 (!(flags
& DS_GC_SERVER_REQUIRED
)) &&
559 (!(flags
& DS_PDC_REQUIRED
))) {
560 DEBUG(1,("discover_dc_dns: invalid flags\n"));
561 return NT_STATUS_INVALID_PARAMETER
;
564 if (flags
& DS_PDC_REQUIRED
) {
565 status
= ads_dns_query_pdc(mem_ctx
, domain_name
,
567 } else if (flags
& DS_GC_SERVER_REQUIRED
) {
568 status
= ads_dns_query_gcs(mem_ctx
, domain_name
, site_name
,
570 } else if (flags
& DS_KDC_REQUIRED
) {
571 status
= ads_dns_query_kdcs(mem_ctx
, domain_name
, site_name
,
573 } else if (flags
& DS_DIRECTORY_SERVICE_REQUIRED
) {
574 status
= ads_dns_query_dcs(mem_ctx
, domain_name
, site_name
,
576 } else if (domain_guid
) {
577 status
= ads_dns_query_dcs_guid(mem_ctx
, domain_name
,
578 domain_guid
, &dcs
, &numdcs
);
581 DEBUG(1,("discover_dc_dns: not enough input\n"));
582 status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
585 if (!NT_STATUS_IS_OK(status
)) {
590 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
593 for (i
=0;i
<numdcs
;i
++) {
594 numaddrs
+= MAX(dcs
[i
].num_ips
,1);
597 if ((*returned_dclist
= TALLOC_ZERO_ARRAY(mem_ctx
,
598 struct ip_service_name
,
599 numaddrs
)) == NULL
) {
600 return NT_STATUS_NO_MEMORY
;
603 /* now unroll the list of IP addresses */
608 while (i
< numdcs
&& (*return_count
<numaddrs
)) {
610 struct ip_service_name
*r
= &(*returned_dclist
)[*return_count
];
612 r
->port
= dcs
[i
].port
;
613 r
->hostname
= dcs
[i
].hostname
;
615 if (!(flags
& DS_IP_REQUIRED
)) {
620 /* If we don't have an IP list for a name, lookup it up */
623 interpret_string_addr(&r
->ss
, dcs
[i
].hostname
, 0);
627 /* use the IP addresses from the SRV sresponse */
629 if (j
>= dcs
[i
].num_ips
) {
635 r
->ss
= dcs
[i
].ss_s
[j
];
639 /* make sure it is a valid IP. I considered checking the
640 * negative connection cache, but this is the wrong place for
641 * it. Maybe only as a hac. After think about it, if all of
642 * the IP addresses retuend from DNS are dead, what hope does a
643 * netbios name lookup have? The standard reason for falling
644 * back to netbios lookups is that our DNS server doesn't know
645 * anything about the DC's -- jerry */
647 if (!is_zero_addr(&r
->ss
)) {
653 return (*return_count
> 0) ? NT_STATUS_OK
:
654 NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
657 /****************************************************************
658 ****************************************************************/
660 static NTSTATUS
make_domain_controller_info(TALLOC_CTX
*mem_ctx
,
662 const char *dc_address
,
663 uint32_t dc_address_type
,
664 const struct GUID
*domain_guid
,
665 const char *domain_name
,
666 const char *forest_name
,
668 const char *dc_site_name
,
669 const char *client_site_name
,
670 struct netr_DsRGetDCNameInfo
**info_out
)
672 struct netr_DsRGetDCNameInfo
*info
;
674 info
= TALLOC_ZERO_P(mem_ctx
, struct netr_DsRGetDCNameInfo
);
675 NT_STATUS_HAVE_NO_MEMORY(info
);
678 info
->dc_unc
= talloc_strdup(mem_ctx
, dc_unc
);
679 NT_STATUS_HAVE_NO_MEMORY(info
->dc_unc
);
683 info
->dc_address
= talloc_strdup(mem_ctx
, dc_address
);
684 NT_STATUS_HAVE_NO_MEMORY(info
->dc_address
);
687 info
->dc_address_type
= dc_address_type
;
690 info
->domain_guid
= *domain_guid
;
694 info
->domain_name
= talloc_strdup(mem_ctx
, domain_name
);
695 NT_STATUS_HAVE_NO_MEMORY(info
->domain_name
);
699 info
->forest_name
= talloc_strdup(mem_ctx
, forest_name
);
700 NT_STATUS_HAVE_NO_MEMORY(info
->forest_name
);
703 info
->dc_flags
= flags
;
706 info
->dc_site_name
= talloc_strdup(mem_ctx
, dc_site_name
);
707 NT_STATUS_HAVE_NO_MEMORY(info
->dc_site_name
);
710 if (client_site_name
) {
711 info
->client_site_name
= talloc_strdup(mem_ctx
,
713 NT_STATUS_HAVE_NO_MEMORY(info
->client_site_name
);
721 /****************************************************************
722 ****************************************************************/
724 static NTSTATUS
process_dc_dns(TALLOC_CTX
*mem_ctx
,
725 const char *domain_name
,
727 struct ip_service_name
**dclist
,
729 struct netr_DsRGetDCNameInfo
**info
)
732 bool valid_dc
= false;
733 struct cldap_netlogon_reply r
;
734 const char *dc_hostname
, *dc_domain_name
;
735 const char *dc_address
;
736 uint32_t dc_address_type
;
740 for (i
=0; i
<num_dcs
; i
++) {
744 if ((ads_cldap_netlogon(dclist
[i
]->hostname
,
746 (check_cldap_reply_required_flags(r
.flags
, flags
))) {
755 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
760 if (flags
& DS_RETURN_FLAT_NAME
) {
761 if (!strlen(r
.netbios_hostname
) || !strlen(r
.netbios_domain
)) {
762 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
764 dc_hostname
= r
.netbios_hostname
;
765 dc_domain_name
= r
.netbios_domain
;
766 } else if (flags
& DS_RETURN_DNS_NAME
) {
767 if (!strlen(r
.hostname
) || !strlen(r
.domain
)) {
768 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
770 dc_hostname
= r
.hostname
;
771 dc_domain_name
= r
.domain
;
772 dc_flags
|= DS_DNS_DOMAIN
| DS_DNS_CONTROLLER
;
775 dc_hostname
= r
.hostname
;
776 dc_domain_name
= r
.domain
;
777 dc_flags
|= DS_DNS_DOMAIN
| DS_DNS_CONTROLLER
;
780 if (flags
& DS_IP_REQUIRED
) {
781 char addr
[INET6_ADDRSTRLEN
];
782 print_sockaddr(addr
, sizeof(addr
), &dclist
[i
]->ss
);
783 dc_address
= talloc_asprintf(mem_ctx
, "\\\\%s",
785 dc_address_type
= DS_ADDRESS_TYPE_INET
;
787 dc_address
= talloc_asprintf(mem_ctx
, "\\\\%s",
789 dc_address_type
= DS_ADDRESS_TYPE_NETBIOS
;
791 NT_STATUS_HAVE_NO_MEMORY(dc_address
);
792 smb_uuid_unpack(r
.guid
, &dc_guid
);
795 dc_flags
|= DS_DNS_FOREST
;
798 return make_domain_controller_info(mem_ctx
,
812 /****************************************************************
813 ****************************************************************/
815 static NTSTATUS
process_dc_netbios(TALLOC_CTX
*mem_ctx
,
816 const char *domain_name
,
818 struct ip_service_name
**dclist
,
820 struct netr_DsRGetDCNameInfo
**info
)
822 /* FIXME: code here */
824 return NT_STATUS_NOT_SUPPORTED
;
827 /****************************************************************
828 ****************************************************************/
830 static NTSTATUS
dsgetdcname_rediscover(TALLOC_CTX
*mem_ctx
,
831 const char *domain_name
,
832 struct GUID
*domain_guid
,
834 const char *site_name
,
835 struct netr_DsRGetDCNameInfo
**info
)
837 NTSTATUS status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
838 struct ip_service_name
*dclist
;
841 DEBUG(10,("dsgetdcname_rediscover\n"));
843 if (flags
& DS_IS_FLAT_NAME
) {
845 status
= discover_dc_netbios(mem_ctx
, domain_name
, flags
,
847 NT_STATUS_NOT_OK_RETURN(status
);
849 return process_dc_netbios(mem_ctx
, domain_name
, flags
,
850 &dclist
, num_dcs
, info
);
853 if (flags
& DS_IS_DNS_NAME
) {
855 status
= discover_dc_dns(mem_ctx
, domain_name
, domain_guid
,
856 flags
, site_name
, &dclist
, &num_dcs
);
857 NT_STATUS_NOT_OK_RETURN(status
);
859 return process_dc_dns(mem_ctx
, domain_name
, flags
,
860 &dclist
, num_dcs
, info
);
863 status
= discover_dc_dns(mem_ctx
, domain_name
, domain_guid
, flags
,
864 site_name
, &dclist
, &num_dcs
);
866 if (NT_STATUS_IS_OK(status
) && num_dcs
!= 0) {
868 status
= process_dc_dns(mem_ctx
, domain_name
, flags
, &dclist
,
870 if (NT_STATUS_IS_OK(status
)) {
875 status
= discover_dc_netbios(mem_ctx
, domain_name
, flags
, &dclist
,
877 NT_STATUS_NOT_OK_RETURN(status
);
879 return process_dc_netbios(mem_ctx
, domain_name
, flags
, &dclist
,
883 /********************************************************************
886 This will be the only public function here.
887 ********************************************************************/
889 NTSTATUS
dsgetdcname(TALLOC_CTX
*mem_ctx
,
890 const char *domain_name
,
891 struct GUID
*domain_guid
,
892 const char *site_name
,
894 struct netr_DsRGetDCNameInfo
**info
)
896 NTSTATUS status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
897 struct netr_DsRGetDCNameInfo
*myinfo
= NULL
;
899 DEBUG(10,("dsgetdcname: domain_name: %s, "
900 "domain_guid: %s, site_name: %s, flags: 0x%08x\n",
902 domain_guid
? GUID_string(mem_ctx
, domain_guid
) : "(null)",
907 if (!check_allowed_required_flags(flags
)) {
908 DEBUG(0,("invalid flags specified\n"));
909 return NT_STATUS_INVALID_PARAMETER
;
912 if (flags
& DS_FORCE_REDISCOVERY
) {
916 status
= dsgetdcname_cached(mem_ctx
, domain_name
, domain_guid
,
917 flags
, site_name
, &myinfo
);
918 if (NT_STATUS_IS_OK(status
)) {
923 if (flags
& DS_BACKGROUND_ONLY
) {
928 status
= dsgetdcname_rediscover(mem_ctx
, domain_name
,
929 domain_guid
, flags
, site_name
,
932 if (NT_STATUS_IS_OK(status
)) {
933 dsgetdcname_cache_store(mem_ctx
, domain_name
, myinfo
);