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 static NTSTATUS
make_dc_info_from_cldap_reply(TALLOC_CTX
*mem_ctx
,
37 struct sockaddr_storage
*ss
,
38 struct NETLOGON_SAM_LOGON_RESPONSE_EX
*r
,
39 struct netr_DsRGetDCNameInfo
**info
);
41 /****************************************************************
42 ****************************************************************/
44 void debug_dsdcinfo_flags(int lvl
, uint32_t flags
)
46 DEBUG(lvl
,("debug_dsdcinfo_flags: 0x%08x\n\t", flags
));
48 if (flags
& DS_FORCE_REDISCOVERY
)
49 DEBUGADD(lvl
,("DS_FORCE_REDISCOVERY "));
50 if (flags
& 0x000000002)
51 DEBUGADD(lvl
,("0x00000002 "));
52 if (flags
& 0x000000004)
53 DEBUGADD(lvl
,("0x00000004 "));
54 if (flags
& 0x000000008)
55 DEBUGADD(lvl
,("0x00000008 "));
56 if (flags
& DS_DIRECTORY_SERVICE_REQUIRED
)
57 DEBUGADD(lvl
,("DS_DIRECTORY_SERVICE_REQUIRED "));
58 if (flags
& DS_DIRECTORY_SERVICE_PREFERRED
)
59 DEBUGADD(lvl
,("DS_DIRECTORY_SERVICE_PREFERRED "));
60 if (flags
& DS_GC_SERVER_REQUIRED
)
61 DEBUGADD(lvl
,("DS_GC_SERVER_REQUIRED "));
62 if (flags
& DS_PDC_REQUIRED
)
63 DEBUGADD(lvl
,("DS_PDC_REQUIRED "));
64 if (flags
& DS_BACKGROUND_ONLY
)
65 DEBUGADD(lvl
,("DS_BACKGROUND_ONLY "));
66 if (flags
& DS_IP_REQUIRED
)
67 DEBUGADD(lvl
,("DS_IP_REQUIRED "));
68 if (flags
& DS_KDC_REQUIRED
)
69 DEBUGADD(lvl
,("DS_KDC_REQUIRED "));
70 if (flags
& DS_TIMESERV_REQUIRED
)
71 DEBUGADD(lvl
,("DS_TIMESERV_REQUIRED "));
72 if (flags
& DS_WRITABLE_REQUIRED
)
73 DEBUGADD(lvl
,("DS_WRITABLE_REQUIRED "));
74 if (flags
& DS_GOOD_TIMESERV_PREFERRED
)
75 DEBUGADD(lvl
,("DS_GOOD_TIMESERV_PREFERRED "));
76 if (flags
& DS_AVOID_SELF
)
77 DEBUGADD(lvl
,("DS_AVOID_SELF "));
78 if (flags
& DS_ONLY_LDAP_NEEDED
)
79 DEBUGADD(lvl
,("DS_ONLY_LDAP_NEEDED "));
80 if (flags
& DS_IS_FLAT_NAME
)
81 DEBUGADD(lvl
,("DS_IS_FLAT_NAME "));
82 if (flags
& DS_IS_DNS_NAME
)
83 DEBUGADD(lvl
,("DS_IS_DNS_NAME "));
84 if (flags
& 0x00040000)
85 DEBUGADD(lvl
,("0x00040000 "));
86 if (flags
& 0x00080000)
87 DEBUGADD(lvl
,("0x00080000 "));
88 if (flags
& 0x00100000)
89 DEBUGADD(lvl
,("0x00100000 "));
90 if (flags
& 0x00200000)
91 DEBUGADD(lvl
,("0x00200000 "));
92 if (flags
& 0x00400000)
93 DEBUGADD(lvl
,("0x00400000 "));
94 if (flags
& 0x00800000)
95 DEBUGADD(lvl
,("0x00800000 "));
96 if (flags
& 0x01000000)
97 DEBUGADD(lvl
,("0x01000000 "));
98 if (flags
& 0x02000000)
99 DEBUGADD(lvl
,("0x02000000 "));
100 if (flags
& 0x04000000)
101 DEBUGADD(lvl
,("0x04000000 "));
102 if (flags
& 0x08000000)
103 DEBUGADD(lvl
,("0x08000000 "));
104 if (flags
& 0x10000000)
105 DEBUGADD(lvl
,("0x10000000 "));
106 if (flags
& 0x20000000)
107 DEBUGADD(lvl
,("0x20000000 "));
108 if (flags
& DS_RETURN_DNS_NAME
)
109 DEBUGADD(lvl
,("DS_RETURN_DNS_NAME "));
110 if (flags
& DS_RETURN_FLAT_NAME
)
111 DEBUGADD(lvl
,("DS_RETURN_FLAT_NAME "));
113 DEBUGADD(lvl
,("\n"));
116 /****************************************************************
117 ****************************************************************/
119 static char *dsgetdcname_cache_key(TALLOC_CTX
*mem_ctx
, const char *domain
)
125 return talloc_asprintf_strupper_m(mem_ctx
, DSGETDCNAME_FMT
, domain
);
128 /****************************************************************
129 ****************************************************************/
131 static NTSTATUS
dsgetdcname_cache_delete(TALLOC_CTX
*mem_ctx
,
132 const char *domain_name
)
136 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
138 return NT_STATUS_NO_MEMORY
;
141 if (!gencache_del(key
)) {
142 return NT_STATUS_UNSUCCESSFUL
;
148 /****************************************************************
149 ****************************************************************/
151 static NTSTATUS
dsgetdcname_cache_store(TALLOC_CTX
*mem_ctx
,
152 const char *domain_name
,
153 const DATA_BLOB
*blob
)
159 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
161 return NT_STATUS_NO_MEMORY
;
164 expire_time
= time(NULL
) + DSGETDCNAME_CACHE_TTL
;
166 ret
= gencache_set_data_blob(key
, blob
, expire_time
);
168 return ret
? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
171 /****************************************************************
172 ****************************************************************/
174 static NTSTATUS
store_cldap_reply(TALLOC_CTX
*mem_ctx
,
176 struct sockaddr_storage
*ss
,
178 struct NETLOGON_SAM_LOGON_RESPONSE_EX
*r
)
181 enum ndr_err_code ndr_err
;
183 char addr
[INET6_ADDRSTRLEN
];
185 print_sockaddr(addr
, sizeof(addr
), ss
);
188 r
->sockaddr_size
= 0x10; /* the w32 winsock addr size */
189 r
->sockaddr
.sockaddr_family
= 2; /* AF_INET */
190 r
->sockaddr
.pdc_ip
= talloc_strdup(mem_ctx
, addr
);
192 ndr_err
= ndr_push_struct_blob(&blob
, mem_ctx
, NULL
, r
,
193 (ndr_push_flags_fn_t
)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX
);
194 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err
)) {
195 return ndr_map_error2ntstatus(ndr_err
);
199 status
= dsgetdcname_cache_store(mem_ctx
, r
->domain
, &blob
);
200 if (!NT_STATUS_IS_OK(status
)) {
203 if (r
->client_site
) {
204 sitename_store(r
->domain
, r
->client_site
);
208 status
= dsgetdcname_cache_store(mem_ctx
, r
->dns_domain
, &blob
);
209 if (!NT_STATUS_IS_OK(status
)) {
212 if (r
->client_site
) {
213 sitename_store(r
->dns_domain
, r
->client_site
);
217 status
= NT_STATUS_OK
;
220 data_blob_free(&blob
);
225 /****************************************************************
226 ****************************************************************/
228 static uint32_t get_cldap_reply_server_flags(struct netlogon_samlogon_response
*r
,
231 switch (nt_version
& 0x0000001f) {
241 return r
->data
.nt5
.server_type
;
246 return r
->data
.nt5_ex
.server_type
;
255 return r
->data
.nt5_ex
.server_type
;
265 return r
->data
.nt5_ex
.server_type
;
269 return r
->data
.nt5_ex
.server_type
;
275 /****************************************************************
276 ****************************************************************/
278 #define RETURN_ON_FALSE(x) if (!(x)) return false;
280 static bool check_cldap_reply_required_flags(uint32_t ret_flags
,
283 if (ret_flags
== 0) {
287 if (req_flags
& DS_PDC_REQUIRED
)
288 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_PDC
);
290 if (req_flags
& DS_GC_SERVER_REQUIRED
)
291 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_GC
);
293 if (req_flags
& DS_ONLY_LDAP_NEEDED
)
294 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_LDAP
);
296 if ((req_flags
& DS_DIRECTORY_SERVICE_REQUIRED
) ||
297 (req_flags
& DS_DIRECTORY_SERVICE_PREFERRED
))
298 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_DS
);
300 if (req_flags
& DS_KDC_REQUIRED
)
301 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_KDC
);
303 if (req_flags
& DS_TIMESERV_REQUIRED
)
304 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_TIMESERV
);
306 if (req_flags
& DS_WRITABLE_REQUIRED
)
307 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_WRITABLE
);
312 /****************************************************************
313 ****************************************************************/
315 static NTSTATUS
dsgetdcname_cache_fetch(TALLOC_CTX
*mem_ctx
,
316 const char *domain_name
,
317 const struct GUID
*domain_guid
,
319 const char *site_name
,
320 struct netr_DsRGetDCNameInfo
**info_p
)
324 enum ndr_err_code ndr_err
;
325 struct netr_DsRGetDCNameInfo
*info
;
326 struct NETLOGON_SAM_LOGON_RESPONSE_EX r
;
329 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
331 return NT_STATUS_NO_MEMORY
;
334 if (!gencache_get_data_blob(key
, &blob
, NULL
, NULL
)) {
335 return NT_STATUS_NOT_FOUND
;
338 info
= TALLOC_ZERO_P(mem_ctx
, struct netr_DsRGetDCNameInfo
);
340 return NT_STATUS_NO_MEMORY
;
343 ndr_err
= ndr_pull_struct_blob(&blob
, mem_ctx
, NULL
, &r
,
344 (ndr_pull_flags_fn_t
)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX
);
346 data_blob_free(&blob
);
347 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err
)) {
348 dsgetdcname_cache_delete(mem_ctx
, domain_name
);
349 return ndr_map_error2ntstatus(ndr_err
);
352 status
= make_dc_info_from_cldap_reply(mem_ctx
, flags
, NULL
,
354 if (!NT_STATUS_IS_OK(status
)) {
358 if (DEBUGLEVEL
>= 10) {
359 NDR_PRINT_DEBUG(netr_DsRGetDCNameInfo
, info
);
363 if (!check_cldap_reply_required_flags(info
->dc_flags
, flags
)) {
364 DEBUG(10,("invalid flags\n"));
365 return NT_STATUS_INVALID_PARAMETER
;
368 if ((flags
& DS_IP_REQUIRED
) &&
369 (info
->dc_address_type
!= DS_ADDRESS_TYPE_INET
)) {
370 return NT_STATUS_INVALID_PARAMETER_MIX
;
378 /****************************************************************
379 ****************************************************************/
381 static NTSTATUS
dsgetdcname_cached(TALLOC_CTX
*mem_ctx
,
382 struct messaging_context
*msg_ctx
,
383 const char *domain_name
,
384 const struct GUID
*domain_guid
,
386 const char *site_name
,
387 struct netr_DsRGetDCNameInfo
**info
)
391 status
= dsgetdcname_cache_fetch(mem_ctx
, domain_name
, domain_guid
,
392 flags
, site_name
, info
);
393 if (!NT_STATUS_IS_OK(status
)
394 && !NT_STATUS_EQUAL(status
, NT_STATUS_NOT_FOUND
)) {
395 DEBUG(10,("dsgetdcname_cached: cache fetch failed with: %s\n",
397 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
400 if (flags
& DS_BACKGROUND_ONLY
) {
404 if (NT_STATUS_EQUAL(status
, NT_STATUS_NOT_FOUND
)) {
405 struct netr_DsRGetDCNameInfo
*dc_info
;
407 status
= dsgetdcname(mem_ctx
, msg_ctx
, domain_name
,
408 domain_guid
, site_name
,
409 flags
| DS_FORCE_REDISCOVERY
,
412 if (!NT_STATUS_IS_OK(status
)) {
422 /****************************************************************
423 ****************************************************************/
425 static bool check_allowed_required_flags(uint32_t flags
,
426 const char *site_name
)
428 uint32_t return_type
= flags
& (DS_RETURN_FLAT_NAME
|DS_RETURN_DNS_NAME
);
429 uint32_t offered_type
= flags
& (DS_IS_FLAT_NAME
|DS_IS_DNS_NAME
);
430 uint32_t query_type
= flags
& (DS_BACKGROUND_ONLY
|DS_FORCE_REDISCOVERY
);
432 /* FIXME: check for DSGETDC_VALID_FLAGS and check for excluse bits
433 * (DS_PDC_REQUIRED, DS_KDC_REQUIRED, DS_GC_SERVER_REQUIRED) */
435 debug_dsdcinfo_flags(10, flags
);
437 if ((flags
& DS_TRY_NEXTCLOSEST_SITE
) && site_name
) {
441 if (return_type
== (DS_RETURN_FLAT_NAME
|DS_RETURN_DNS_NAME
)) {
445 if (offered_type
== (DS_IS_DNS_NAME
|DS_IS_FLAT_NAME
)) {
449 if (query_type
== (DS_BACKGROUND_ONLY
|DS_FORCE_REDISCOVERY
)) {
454 if ((flags
& DS_RETURN_DNS_NAME
) && (!(flags
& DS_IP_REQUIRED
))) {
455 printf("gd: here5 \n");
462 /****************************************************************
463 ****************************************************************/
465 static NTSTATUS
discover_dc_netbios(TALLOC_CTX
*mem_ctx
,
466 const char *domain_name
,
468 struct ip_service_name
**returned_dclist
,
472 enum nbt_name_type name_type
= NBT_NAME_LOGON
;
473 struct ip_service
*iplist
;
475 struct ip_service_name
*dclist
= NULL
;
478 *returned_dclist
= NULL
;
481 if (lp_disable_netbios()) {
482 return NT_STATUS_NOT_SUPPORTED
;
485 if (flags
& DS_PDC_REQUIRED
) {
486 name_type
= NBT_NAME_PDC
;
489 status
= internal_resolve_name(domain_name
, name_type
, NULL
,
491 "lmhosts wins bcast");
492 if (!NT_STATUS_IS_OK(status
)) {
493 DEBUG(10,("discover_dc_netbios: failed to find DC\n"));
497 dclist
= TALLOC_ZERO_ARRAY(mem_ctx
, struct ip_service_name
, count
);
499 return NT_STATUS_NO_MEMORY
;
502 for (i
=0; i
<count
; i
++) {
504 char addr
[INET6_ADDRSTRLEN
];
505 struct ip_service_name
*r
= &dclist
[i
];
507 print_sockaddr(addr
, sizeof(addr
),
510 r
->ss
= iplist
[i
].ss
;
511 r
->port
= iplist
[i
].port
;
512 r
->hostname
= talloc_strdup(mem_ctx
, addr
);
514 return NT_STATUS_NO_MEMORY
;
519 *returned_dclist
= dclist
;
520 *returned_count
= count
;
525 /****************************************************************
526 ****************************************************************/
528 static NTSTATUS
discover_dc_dns(TALLOC_CTX
*mem_ctx
,
529 const char *domain_name
,
530 const struct GUID
*domain_guid
,
532 const char *site_name
,
533 struct ip_service_name
**returned_dclist
,
538 struct dns_rr_srv
*dcs
= NULL
;
541 struct ip_service_name
*dclist
= NULL
;
544 if (flags
& DS_PDC_REQUIRED
) {
545 status
= ads_dns_query_pdc(mem_ctx
, domain_name
,
547 } else if (flags
& DS_GC_SERVER_REQUIRED
) {
548 status
= ads_dns_query_gcs(mem_ctx
, domain_name
, site_name
,
550 } else if (flags
& DS_KDC_REQUIRED
) {
551 status
= ads_dns_query_kdcs(mem_ctx
, domain_name
, site_name
,
553 } else if (flags
& DS_DIRECTORY_SERVICE_REQUIRED
) {
554 status
= ads_dns_query_dcs(mem_ctx
, domain_name
, site_name
,
556 } else if (domain_guid
) {
557 status
= ads_dns_query_dcs_guid(mem_ctx
, domain_name
,
558 domain_guid
, &dcs
, &numdcs
);
560 status
= ads_dns_query_dcs(mem_ctx
, domain_name
, site_name
,
564 if (!NT_STATUS_IS_OK(status
)) {
569 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
572 for (i
=0;i
<numdcs
;i
++) {
573 numaddrs
+= MAX(dcs
[i
].num_ips
,1);
576 dclist
= TALLOC_ZERO_ARRAY(mem_ctx
,
577 struct ip_service_name
,
580 return NT_STATUS_NO_MEMORY
;
583 /* now unroll the list of IP addresses */
589 while ((i
< numdcs
) && (count
< numaddrs
)) {
591 struct ip_service_name
*r
= &dclist
[count
];
593 r
->port
= dcs
[i
].port
;
594 r
->hostname
= dcs
[i
].hostname
;
596 /* If we don't have an IP list for a name, lookup it up */
599 interpret_string_addr_prefer_ipv4(&r
->ss
,
604 /* use the IP addresses from the SRV sresponse */
606 if (j
>= dcs
[i
].num_ips
) {
612 r
->ss
= dcs
[i
].ss_s
[j
];
616 /* make sure it is a valid IP. I considered checking the
617 * negative connection cache, but this is the wrong place for
618 * it. Maybe only as a hac. After think about it, if all of
619 * the IP addresses retuend from DNS are dead, what hope does a
620 * netbios name lookup have? The standard reason for falling
621 * back to netbios lookups is that our DNS server doesn't know
622 * anything about the DC's -- jerry */
624 if (!is_zero_addr((struct sockaddr
*)(void *)&r
->ss
)) {
630 *returned_dclist
= dclist
;
631 *return_count
= count
;
637 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
640 /****************************************************************
641 ****************************************************************/
643 static NTSTATUS
make_domain_controller_info(TALLOC_CTX
*mem_ctx
,
645 const char *dc_address
,
646 uint32_t dc_address_type
,
647 const struct GUID
*domain_guid
,
648 const char *domain_name
,
649 const char *forest_name
,
651 const char *dc_site_name
,
652 const char *client_site_name
,
653 struct netr_DsRGetDCNameInfo
**info_out
)
655 struct netr_DsRGetDCNameInfo
*info
;
657 info
= TALLOC_ZERO_P(mem_ctx
, struct netr_DsRGetDCNameInfo
);
658 NT_STATUS_HAVE_NO_MEMORY(info
);
661 info
->dc_unc
= talloc_strdup(mem_ctx
, dc_unc
);
662 NT_STATUS_HAVE_NO_MEMORY(info
->dc_unc
);
666 if (!(dc_address
[0] == '\\' && dc_address
[1] == '\\')) {
667 info
->dc_address
= talloc_asprintf(mem_ctx
, "\\\\%s",
670 info
->dc_address
= talloc_strdup(mem_ctx
, dc_address
);
672 NT_STATUS_HAVE_NO_MEMORY(info
->dc_address
);
675 info
->dc_address_type
= dc_address_type
;
678 info
->domain_guid
= *domain_guid
;
682 info
->domain_name
= talloc_strdup(mem_ctx
, domain_name
);
683 NT_STATUS_HAVE_NO_MEMORY(info
->domain_name
);
686 if (forest_name
&& *forest_name
) {
687 info
->forest_name
= talloc_strdup(mem_ctx
, forest_name
);
688 NT_STATUS_HAVE_NO_MEMORY(info
->forest_name
);
689 flags
|= DS_DNS_FOREST_ROOT
;
692 info
->dc_flags
= flags
;
695 info
->dc_site_name
= talloc_strdup(mem_ctx
, dc_site_name
);
696 NT_STATUS_HAVE_NO_MEMORY(info
->dc_site_name
);
699 if (client_site_name
) {
700 info
->client_site_name
= talloc_strdup(mem_ctx
,
702 NT_STATUS_HAVE_NO_MEMORY(info
->client_site_name
);
710 /****************************************************************
711 ****************************************************************/
713 static void map_dc_and_domain_names(uint32_t flags
,
715 const char *domain_name
,
716 const char *dns_dc_name
,
717 const char *dns_domain_name
,
719 const char **hostname_p
,
720 const char **domain_p
)
722 switch (flags
& 0xf0000000) {
723 case DS_RETURN_FLAT_NAME
:
724 if (dc_name
&& domain_name
&&
725 *dc_name
&& *domain_name
) {
726 *hostname_p
= dc_name
;
727 *domain_p
= domain_name
;
730 case DS_RETURN_DNS_NAME
:
732 if (dns_dc_name
&& dns_domain_name
&&
733 *dns_dc_name
&& *dns_domain_name
) {
734 *hostname_p
= dns_dc_name
;
735 *domain_p
= dns_domain_name
;
736 *dc_flags
|= DS_DNS_DOMAIN
| DS_DNS_CONTROLLER
;
739 if (dc_name
&& domain_name
&&
740 *dc_name
&& *domain_name
) {
741 *hostname_p
= dc_name
;
742 *domain_p
= domain_name
;
748 /****************************************************************
749 ****************************************************************/
751 static NTSTATUS
make_dc_info_from_cldap_reply(TALLOC_CTX
*mem_ctx
,
753 struct sockaddr_storage
*ss
,
754 struct NETLOGON_SAM_LOGON_RESPONSE_EX
*r
,
755 struct netr_DsRGetDCNameInfo
**info
)
757 const char *dc_hostname
= NULL
;
758 const char *dc_domain_name
= NULL
;
759 const char *dc_address
= NULL
;
760 const char *dc_forest
= NULL
;
761 uint32_t dc_address_type
= 0;
762 uint32_t dc_flags
= 0;
763 struct GUID
*dc_domain_guid
= NULL
;
764 const char *dc_server_site
= NULL
;
765 const char *dc_client_site
= NULL
;
767 char addr
[INET6_ADDRSTRLEN
];
770 print_sockaddr(addr
, sizeof(addr
), ss
);
772 dc_address_type
= DS_ADDRESS_TYPE_INET
;
775 if (!ss
&& r
->sockaddr
.pdc_ip
) {
776 dc_address
= r
->sockaddr
.pdc_ip
;
777 dc_address_type
= DS_ADDRESS_TYPE_INET
;
779 dc_address
= r
->pdc_name
;
780 dc_address_type
= DS_ADDRESS_TYPE_NETBIOS
;
783 map_dc_and_domain_names(flags
,
792 dc_flags
|= r
->server_type
;
793 dc_forest
= r
->forest
;
794 dc_domain_guid
= &r
->domain_uuid
;
795 dc_server_site
= r
->server_site
;
796 dc_client_site
= r
->client_site
;
798 return make_domain_controller_info(mem_ctx
,
811 /****************************************************************
812 ****************************************************************/
814 static uint32_t map_ds_flags_to_nt_version(uint32_t flags
)
816 uint32_t nt_version
= 0;
818 if (flags
& DS_PDC_REQUIRED
) {
819 nt_version
|= NETLOGON_NT_VERSION_PDC
;
822 if (flags
& DS_GC_SERVER_REQUIRED
) {
823 nt_version
|= NETLOGON_NT_VERSION_GC
;
826 if (flags
& DS_TRY_NEXTCLOSEST_SITE
) {
827 nt_version
|= NETLOGON_NT_VERSION_WITH_CLOSEST_SITE
;
830 if (flags
& DS_IP_REQUIRED
) {
831 nt_version
|= NETLOGON_NT_VERSION_IP
;
837 /****************************************************************
838 ****************************************************************/
840 static NTSTATUS
process_dc_dns(TALLOC_CTX
*mem_ctx
,
841 const char *domain_name
,
843 struct ip_service_name
*dclist
,
845 struct netr_DsRGetDCNameInfo
**info
)
848 bool valid_dc
= false;
849 struct netlogon_samlogon_response
*r
= NULL
;
850 uint32_t nt_version
= NETLOGON_NT_VERSION_5
|
851 NETLOGON_NT_VERSION_5EX
;
852 uint32_t ret_flags
= 0;
855 nt_version
|= map_ds_flags_to_nt_version(flags
);
857 for (i
=0; i
<num_dcs
; i
++) {
859 DEBUG(10,("LDAP ping to %s\n", dclist
[i
].hostname
));
861 if (ads_cldap_netlogon(mem_ctx
, dclist
[i
].hostname
,
866 nt_version
= r
->ntver
;
867 ret_flags
= get_cldap_reply_server_flags(r
, nt_version
);
869 if (check_cldap_reply_required_flags(ret_flags
, flags
)) {
879 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
882 status
= make_dc_info_from_cldap_reply(mem_ctx
, flags
, &dclist
[i
].ss
,
883 &r
->data
.nt5_ex
, info
);
884 if (NT_STATUS_IS_OK(status
)) {
885 return store_cldap_reply(mem_ctx
, flags
, &dclist
[i
].ss
,
886 nt_version
, &r
->data
.nt5_ex
);
892 /****************************************************************
893 ****************************************************************/
895 static struct event_context
*ev_context(void)
897 static struct event_context
*ctx
;
899 if (!ctx
&& !(ctx
= event_context_init(NULL
))) {
900 smb_panic("Could not init event context");
905 /****************************************************************
906 ****************************************************************/
908 static struct messaging_context
*msg_context(TALLOC_CTX
*mem_ctx
)
910 static struct messaging_context
*ctx
;
912 if (!ctx
&& !(ctx
= messaging_init(mem_ctx
, server_id_self(),
914 smb_panic("Could not init messaging context");
919 /****************************************************************
920 ****************************************************************/
922 static NTSTATUS
process_dc_netbios(TALLOC_CTX
*mem_ctx
,
923 struct messaging_context
*msg_ctx
,
924 const char *domain_name
,
926 struct ip_service_name
*dclist
,
928 struct netr_DsRGetDCNameInfo
**info
)
930 struct sockaddr_storage ss
;
931 struct ip_service ip_list
;
932 enum nbt_name_type name_type
= NBT_NAME_LOGON
;
935 const char *dc_name
= NULL
;
937 struct netlogon_samlogon_response
*r
= NULL
;
938 bool store_cache
= false;
939 uint32_t nt_version
= NETLOGON_NT_VERSION_1
|
940 NETLOGON_NT_VERSION_5
|
941 NETLOGON_NT_VERSION_5EX_WITH_IP
;
944 msg_ctx
= msg_context(mem_ctx
);
947 if (flags
& DS_PDC_REQUIRED
) {
948 name_type
= NBT_NAME_PDC
;
951 nt_version
|= map_ds_flags_to_nt_version(flags
);
953 DEBUG(10,("process_dc_netbios\n"));
955 for (i
=0; i
<num_dcs
; i
++) {
957 ip_list
.ss
= dclist
[i
].ss
;
960 if (!interpret_string_addr_prefer_ipv4(&ss
, dclist
[i
].hostname
, AI_NUMERICHOST
)) {
961 return NT_STATUS_UNSUCCESSFUL
;
964 if (send_getdc_request(mem_ctx
, msg_ctx
,
965 &dclist
[i
].ss
, domain_name
,
970 for (k
=0; k
<5; k
++) {
971 if (receive_getdc_response(mem_ctx
,
978 namecache_store(dc_name
, NBT_NAME_SERVER
, 1, &ip_list
);
985 if (name_status_find(domain_name
,
991 struct NETLOGON_SAM_LOGON_RESPONSE_NT40 logon1
;
993 r
= TALLOC_ZERO_P(mem_ctx
, struct netlogon_samlogon_response
);
994 NT_STATUS_HAVE_NO_MEMORY(r
);
998 nt_version
= NETLOGON_NT_VERSION_1
;
1000 logon1
.nt_version
= nt_version
;
1001 logon1
.server
= tmp_dc_name
;
1002 logon1
.domain
= talloc_strdup_upper(mem_ctx
, domain_name
);
1003 NT_STATUS_HAVE_NO_MEMORY(logon1
.domain
);
1005 r
->data
.nt4
= logon1
;
1006 r
->ntver
= nt_version
;
1008 map_netlogon_samlogon_response(r
);
1010 namecache_store(tmp_dc_name
, NBT_NAME_SERVER
, 1, &ip_list
);
1016 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1020 status
= make_dc_info_from_cldap_reply(mem_ctx
, flags
, &dclist
[i
].ss
,
1021 &r
->data
.nt5_ex
, info
);
1022 if (NT_STATUS_IS_OK(status
) && store_cache
) {
1023 return store_cldap_reply(mem_ctx
, flags
, &dclist
[i
].ss
,
1024 nt_version
, &r
->data
.nt5_ex
);
1030 /****************************************************************
1031 ****************************************************************/
1033 static NTSTATUS
dsgetdcname_rediscover(TALLOC_CTX
*mem_ctx
,
1034 struct messaging_context
*msg_ctx
,
1035 const char *domain_name
,
1036 const struct GUID
*domain_guid
,
1038 const char *site_name
,
1039 struct netr_DsRGetDCNameInfo
**info
)
1041 NTSTATUS status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1042 struct ip_service_name
*dclist
= NULL
;
1045 DEBUG(10,("dsgetdcname_rediscover\n"));
1047 if (flags
& DS_IS_FLAT_NAME
) {
1049 status
= discover_dc_netbios(mem_ctx
, domain_name
, flags
,
1051 NT_STATUS_NOT_OK_RETURN(status
);
1053 return process_dc_netbios(mem_ctx
, msg_ctx
, domain_name
, flags
,
1054 dclist
, num_dcs
, info
);
1057 if (flags
& DS_IS_DNS_NAME
) {
1059 status
= discover_dc_dns(mem_ctx
, domain_name
, domain_guid
,
1060 flags
, site_name
, &dclist
, &num_dcs
);
1061 NT_STATUS_NOT_OK_RETURN(status
);
1063 return process_dc_dns(mem_ctx
, domain_name
, flags
,
1064 dclist
, num_dcs
, info
);
1067 status
= discover_dc_dns(mem_ctx
, domain_name
, domain_guid
, flags
,
1068 site_name
, &dclist
, &num_dcs
);
1070 if (NT_STATUS_IS_OK(status
) && num_dcs
!= 0) {
1072 status
= process_dc_dns(mem_ctx
, domain_name
, flags
, dclist
,
1074 if (NT_STATUS_IS_OK(status
)) {
1079 status
= discover_dc_netbios(mem_ctx
, domain_name
, flags
, &dclist
,
1081 NT_STATUS_NOT_OK_RETURN(status
);
1083 return process_dc_netbios(mem_ctx
, msg_ctx
, domain_name
, flags
, dclist
,
1087 static bool is_closest_site(struct netr_DsRGetDCNameInfo
*info
)
1089 if (info
->dc_flags
& DS_SERVER_CLOSEST
) {
1093 if (!info
->client_site_name
) {
1097 if (!info
->dc_site_name
) {
1101 if (strcmp(info
->client_site_name
, info
->dc_site_name
) == 0) {
1108 /********************************************************************
1111 This will be the only public function here.
1112 ********************************************************************/
1114 NTSTATUS
dsgetdcname(TALLOC_CTX
*mem_ctx
,
1115 struct messaging_context
*msg_ctx
,
1116 const char *domain_name
,
1117 const struct GUID
*domain_guid
,
1118 const char *site_name
,
1120 struct netr_DsRGetDCNameInfo
**info
)
1122 NTSTATUS status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1123 struct netr_DsRGetDCNameInfo
*myinfo
= NULL
;
1124 char *query_site
= NULL
;
1126 struct netr_DsRGetDCNameInfo
*first_info
= NULL
;
1128 DEBUG(10,("dsgetdcname: domain_name: %s, "
1129 "domain_guid: %s, site_name: %s, flags: 0x%08x\n",
1131 domain_guid
? GUID_string(mem_ctx
, domain_guid
) : "(null)",
1136 if (!check_allowed_required_flags(flags
, site_name
)) {
1137 DEBUG(0,("invalid flags specified\n"));
1138 return NT_STATUS_INVALID_PARAMETER
;
1141 if ((site_name
== NULL
) || (site_name
[0] == '\0')) {
1142 query_site
= sitename_fetch(domain_name
);
1144 query_site
= SMB_STRDUP(site_name
);
1147 if (flags
& DS_FORCE_REDISCOVERY
) {
1151 status
= dsgetdcname_cached(mem_ctx
, msg_ctx
, domain_name
, domain_guid
,
1152 flags
, query_site
, &myinfo
);
1153 if (NT_STATUS_IS_OK(status
)) {
1157 if (flags
& DS_BACKGROUND_ONLY
) {
1162 status
= dsgetdcname_rediscover(mem_ctx
, msg_ctx
, domain_name
,
1163 domain_guid
, flags
, query_site
,
1167 SAFE_FREE(query_site
);
1169 if (!NT_STATUS_IS_OK(status
)) {
1172 return NT_STATUS_OK
;
1178 TALLOC_FREE(first_info
);
1179 } else if (!is_closest_site(myinfo
)) {
1181 first_info
= myinfo
;
1182 /* TODO: may use the next_closest_site here */
1183 query_site
= SMB_STRDUP(myinfo
->client_site_name
);
1188 return NT_STATUS_OK
;