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
,
39 union nbt_cldap_netlogon
*r
,
40 struct netr_DsRGetDCNameInfo
**info
);
42 /****************************************************************
43 ****************************************************************/
45 void debug_dsdcinfo_flags(int lvl
, uint32_t flags
)
47 DEBUG(lvl
,("debug_dsdcinfo_flags: 0x%08x\n\t", flags
));
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 "));
114 DEBUGADD(lvl
,("\n"));
117 /****************************************************************
118 ****************************************************************/
120 static char *dsgetdcname_cache_key(TALLOC_CTX
*mem_ctx
, const char *domain
)
122 if (!mem_ctx
|| !domain
) {
126 return talloc_asprintf_strupper_m(mem_ctx
, DSGETDCNAME_FMT
, domain
);
129 /****************************************************************
130 ****************************************************************/
132 static NTSTATUS
dsgetdcname_cache_delete(TALLOC_CTX
*mem_ctx
,
133 const char *domain_name
)
137 if (!gencache_init()) {
138 return NT_STATUS_INTERNAL_DB_ERROR
;
141 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
143 return NT_STATUS_NO_MEMORY
;
146 if (!gencache_del(key
)) {
147 return NT_STATUS_UNSUCCESSFUL
;
153 /****************************************************************
154 ****************************************************************/
156 static NTSTATUS
dsgetdcname_cache_store(TALLOC_CTX
*mem_ctx
,
157 const char *domain_name
,
158 const DATA_BLOB
*blob
)
164 if (!gencache_init()) {
165 return NT_STATUS_INTERNAL_DB_ERROR
;
168 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
170 return NT_STATUS_NO_MEMORY
;
173 expire_time
= time(NULL
) + DSGETDCNAME_CACHE_TTL
;
175 if (gencache_lock_entry(key
) != 0) {
176 return NT_STATUS_LOCK_NOT_GRANTED
;
179 ret
= gencache_set_data_blob(key
, blob
, expire_time
);
181 gencache_unlock_entry(key
);
183 return ret
? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
186 /****************************************************************
187 ****************************************************************/
189 #define SET_STRING(x) \
190 talloc_strdup(mem_ctx, x); \
191 NT_STATUS_HAVE_NO_MEMORY(x);
193 static NTSTATUS
map_logon29_from_cldap_reply(TALLOC_CTX
*mem_ctx
,
195 struct sockaddr_storage
*ss
,
197 union nbt_cldap_netlogon
*r
,
198 struct nbt_cldap_netlogon_29
*p
)
200 char addr
[INET6_ADDRSTRLEN
];
204 print_sockaddr(addr
, sizeof(addr
), ss
);
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
);
211 switch (nt_version
& 0x0000001f) {
213 return NT_STATUS_INVALID_PARAMETER
;
217 p
->pdc_name
= SET_STRING(r
->logon1
.pdc_name
);
218 p
->domain
= SET_STRING(r
->logon1
.domain_name
);
220 if (flags
& DS_PDC_REQUIRED
) {
221 p
->server_type
= NBT_SERVER_WRITABLE
|
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
;
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
);
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
);
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
);
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
);
308 return NT_STATUS_INVALID_PARAMETER
;
314 /****************************************************************
315 ****************************************************************/
317 static NTSTATUS
store_cldap_reply(TALLOC_CTX
*mem_ctx
,
319 struct sockaddr_storage
*ss
,
321 union nbt_cldap_netlogon
*r
)
324 enum ndr_err_code ndr_err
;
326 struct nbt_cldap_netlogon_29 logon29
;
328 status
= map_logon29_from_cldap_reply(mem_ctx
, flags
, ss
,
329 nt_version
, r
, &logon29
);
330 if (!NT_STATUS_IS_OK(status
)) {
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
);
340 if (logon29
.domain
) {
341 status
= dsgetdcname_cache_store(mem_ctx
, logon29
.domain
, &blob
);
342 if (!NT_STATUS_IS_OK(status
)) {
346 if (logon29
.dns_domain
) {
347 status
= dsgetdcname_cache_store(mem_ctx
, logon29
.dns_domain
, &blob
);
348 if (!NT_STATUS_IS_OK(status
)) {
354 data_blob_free(&blob
);
359 /****************************************************************
360 ****************************************************************/
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
,
367 const char *site_name
,
368 struct netr_DsRGetDCNameInfo
*info
)
370 struct netr_DsRGetDCNameInfo
*dc_info
;
372 return dsgetdcname(mem_ctx
,
377 flags
| DS_FORCE_REDISCOVERY
,
381 /****************************************************************
382 ****************************************************************/
384 static uint32_t get_cldap_reply_server_flags(union nbt_cldap_netlogon
*r
,
387 switch (nt_version
& 0x0000001f) {
397 return r
->logon3
.server_type
;
402 return r
->logon5
.server_type
;
411 return r
->logon13
.server_type
;
421 return r
->logon15
.server_type
;
425 return r
->logon29
.server_type
;
431 /****************************************************************
432 ****************************************************************/
434 #define RETURN_ON_FALSE(x) if (!x) return false;
436 static bool check_cldap_reply_required_flags(uint32_t ret_flags
,
439 if (ret_flags
== 0) {
443 if (req_flags
& DS_PDC_REQUIRED
)
444 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_PDC
);
446 if (req_flags
& DS_GC_SERVER_REQUIRED
)
447 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_GC
);
449 if (req_flags
& DS_ONLY_LDAP_NEEDED
)
450 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_LDAP
);
452 if ((req_flags
& DS_DIRECTORY_SERVICE_REQUIRED
) ||
453 (req_flags
& DS_DIRECTORY_SERVICE_PREFERRED
))
454 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_DS
);
456 if (req_flags
& DS_KDC_REQUIRED
)
457 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_KDC
);
459 if (req_flags
& DS_TIMESERV_REQUIRED
)
460 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_TIMESERV
);
462 if (req_flags
& DS_WRITABLE_REQUIRED
)
463 RETURN_ON_FALSE(ret_flags
& NBT_SERVER_WRITABLE
);
468 /****************************************************************
469 ****************************************************************/
471 static NTSTATUS
dsgetdcname_cache_fetch(TALLOC_CTX
*mem_ctx
,
472 const char *domain_name
,
473 struct GUID
*domain_guid
,
475 const char *site_name
,
476 struct netr_DsRGetDCNameInfo
**info_p
,
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
;
487 if (!gencache_init()) {
488 return NT_STATUS_INTERNAL_DB_ERROR
;
491 key
= dsgetdcname_cache_key(mem_ctx
, domain_name
);
493 return NT_STATUS_NO_MEMORY
;
496 if (!gencache_get_data_blob(key
, &blob
, expired
)) {
497 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
500 info
= TALLOC_ZERO_P(mem_ctx
, struct netr_DsRGetDCNameInfo
);
502 return NT_STATUS_NO_MEMORY
;
505 ndr_err
= ndr_pull_struct_blob(&blob
, mem_ctx
, &r
,
506 (ndr_pull_flags_fn_t
)ndr_pull_nbt_cldap_netlogon_29
);
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
);
516 status
= make_dc_info_from_cldap_reply(mem_ctx
, flags
, NULL
,
519 if (!NT_STATUS_IS_OK(status
)) {
523 if (DEBUGLEVEL
>= 10) {
524 NDR_PRINT_DEBUG(netr_DsRGetDCNameInfo
, info
);
528 if (!check_cldap_reply_required_flags(info
->dc_flags
, flags
)) {
529 DEBUG(10,("invalid flags\n"));
530 return NT_STATUS_INVALID_PARAMETER
;
533 if ((flags
& DS_IP_REQUIRED
) &&
534 (info
->dc_address_type
!= DS_ADDRESS_TYPE_INET
)) {
535 return NT_STATUS_INVALID_PARAMETER_MIX
;
543 /****************************************************************
544 ****************************************************************/
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
,
551 const char *site_name
,
552 struct netr_DsRGetDCNameInfo
**info
)
555 bool expired
= false;
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",
562 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
565 if (flags
& DS_BACKGROUND_ONLY
) {
570 status
= dsgetdcname_cache_refresh(mem_ctx
, msg_ctx
,
574 if (!NT_STATUS_IS_OK(status
)) {
582 /****************************************************************
583 ****************************************************************/
585 static bool check_allowed_required_flags(uint32_t flags
)
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
);
591 /* FIXME: check for DSGETDC_VALID_FLAGS and check for excluse bits
592 * (DS_PDC_REQUIRED, DS_KDC_REQUIRED, DS_GC_SERVER_REQUIRED) */
594 debug_dsdcinfo_flags(10, flags
);
596 if (return_type
== (DS_RETURN_FLAT_NAME
|DS_RETURN_DNS_NAME
)) {
600 if (offered_type
== (DS_IS_DNS_NAME
|DS_IS_FLAT_NAME
)) {
604 if (query_type
== (DS_BACKGROUND_ONLY
|DS_FORCE_REDISCOVERY
)) {
609 if ((flags
& DS_RETURN_DNS_NAME
) && (!(flags
& DS_IP_REQUIRED
))) {
610 printf("gd: here5 \n");
617 /****************************************************************
618 ****************************************************************/
620 static NTSTATUS
discover_dc_netbios(TALLOC_CTX
*mem_ctx
,
621 const char *domain_name
,
623 struct ip_service_name
**returned_dclist
,
627 enum nbt_name_type name_type
= NBT_NAME_LOGON
;
628 struct ip_service
*iplist
;
630 struct ip_service_name
*dclist
= NULL
;
633 *returned_dclist
= NULL
;
636 if (lp_disable_netbios()) {
637 return NT_STATUS_NOT_SUPPORTED
;
640 if (flags
& DS_PDC_REQUIRED
) {
641 name_type
= NBT_NAME_PDC
;
644 status
= internal_resolve_name(domain_name
, name_type
, NULL
,
646 "lmhosts wins bcast");
647 if (!NT_STATUS_IS_OK(status
)) {
648 DEBUG(10,("discover_dc_netbios: failed to find DC\n"));
652 dclist
= TALLOC_ZERO_ARRAY(mem_ctx
, struct ip_service_name
, count
);
654 return NT_STATUS_NO_MEMORY
;
657 for (i
=0; i
<count
; i
++) {
659 char addr
[INET6_ADDRSTRLEN
];
660 struct ip_service_name
*r
= &dclist
[i
];
662 print_sockaddr(addr
, sizeof(addr
),
665 r
->ss
= iplist
[i
].ss
;
666 r
->port
= iplist
[i
].port
;
667 r
->hostname
= talloc_strdup(mem_ctx
, addr
);
669 return NT_STATUS_NO_MEMORY
;
674 *returned_dclist
= dclist
;
675 *returned_count
= count
;
680 /****************************************************************
681 ****************************************************************/
683 static NTSTATUS
discover_dc_dns(TALLOC_CTX
*mem_ctx
,
684 const char *domain_name
,
685 struct GUID
*domain_guid
,
687 const char *site_name
,
688 struct ip_service_name
**returned_dclist
,
693 struct dns_rr_srv
*dcs
= NULL
;
696 struct ip_service_name
*dclist
= NULL
;
699 if (flags
& DS_PDC_REQUIRED
) {
700 status
= ads_dns_query_pdc(mem_ctx
, domain_name
,
702 } else if (flags
& DS_GC_SERVER_REQUIRED
) {
703 status
= ads_dns_query_gcs(mem_ctx
, domain_name
, site_name
,
705 } else if (flags
& DS_KDC_REQUIRED
) {
706 status
= ads_dns_query_kdcs(mem_ctx
, domain_name
, site_name
,
708 } else if (flags
& DS_DIRECTORY_SERVICE_REQUIRED
) {
709 status
= ads_dns_query_dcs(mem_ctx
, domain_name
, site_name
,
711 } else if (domain_guid
) {
712 status
= ads_dns_query_dcs_guid(mem_ctx
, domain_name
,
713 domain_guid
, &dcs
, &numdcs
);
715 status
= ads_dns_query_dcs(mem_ctx
, domain_name
, site_name
,
719 if (!NT_STATUS_IS_OK(status
)) {
724 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
727 for (i
=0;i
<numdcs
;i
++) {
728 numaddrs
+= MAX(dcs
[i
].num_ips
,1);
731 dclist
= TALLOC_ZERO_ARRAY(mem_ctx
,
732 struct ip_service_name
,
735 return NT_STATUS_NO_MEMORY
;
738 /* now unroll the list of IP addresses */
744 while ((i
< numdcs
) && (count
< numaddrs
)) {
746 struct ip_service_name
*r
= &dclist
[count
];
748 r
->port
= dcs
[count
].port
;
749 r
->hostname
= dcs
[count
].hostname
;
751 /* If we don't have an IP list for a name, lookup it up */
754 interpret_string_addr(&r
->ss
, dcs
[i
].hostname
, 0);
758 /* use the IP addresses from the SRV sresponse */
760 if (j
>= dcs
[i
].num_ips
) {
766 r
->ss
= dcs
[i
].ss_s
[j
];
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 */
778 if (!is_zero_addr(&r
->ss
)) {
784 *returned_dclist
= dclist
;
785 *return_count
= count
;
791 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
794 /****************************************************************
795 ****************************************************************/
797 static NTSTATUS
make_domain_controller_info(TALLOC_CTX
*mem_ctx
,
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
,
805 const char *dc_site_name
,
806 const char *client_site_name
,
807 struct netr_DsRGetDCNameInfo
**info_out
)
809 struct netr_DsRGetDCNameInfo
*info
;
811 info
= TALLOC_ZERO_P(mem_ctx
, struct netr_DsRGetDCNameInfo
);
812 NT_STATUS_HAVE_NO_MEMORY(info
);
815 info
->dc_unc
= talloc_strdup(mem_ctx
, dc_unc
);
816 NT_STATUS_HAVE_NO_MEMORY(info
->dc_unc
);
820 if (!(dc_address
[0] == '\\' && dc_address
[1] == '\\')) {
821 info
->dc_address
= talloc_asprintf(mem_ctx
, "\\\\%s",
824 info
->dc_address
= talloc_strdup(mem_ctx
, dc_address
);
826 NT_STATUS_HAVE_NO_MEMORY(info
->dc_address
);
829 info
->dc_address_type
= dc_address_type
;
832 info
->domain_guid
= *domain_guid
;
836 info
->domain_name
= talloc_strdup(mem_ctx
, domain_name
);
837 NT_STATUS_HAVE_NO_MEMORY(info
->domain_name
);
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
;
846 info
->dc_flags
= flags
;
849 info
->dc_site_name
= talloc_strdup(mem_ctx
, dc_site_name
);
850 NT_STATUS_HAVE_NO_MEMORY(info
->dc_site_name
);
853 if (client_site_name
) {
854 info
->client_site_name
= talloc_strdup(mem_ctx
,
856 NT_STATUS_HAVE_NO_MEMORY(info
->client_site_name
);
864 /****************************************************************
865 ****************************************************************/
867 static void map_dc_and_domain_names(uint32_t flags
,
869 const char *domain_name
,
870 const char *dns_dc_name
,
871 const char *dns_domain_name
,
873 const char **hostname_p
,
874 const char **domain_p
)
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
;
884 case DS_RETURN_DNS_NAME
:
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
;
893 if (dc_name
&& domain_name
&&
894 *dc_name
&& *domain_name
) {
895 *hostname_p
= dc_name
;
896 *domain_p
= domain_name
;
902 /****************************************************************
903 ****************************************************************/
905 static NTSTATUS
make_dc_info_from_cldap_reply(TALLOC_CTX
*mem_ctx
,
907 struct sockaddr_storage
*ss
,
909 union nbt_cldap_netlogon
*r
,
910 struct netr_DsRGetDCNameInfo
**info
)
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
;
921 char addr
[INET6_ADDRSTRLEN
];
924 print_sockaddr(addr
, sizeof(addr
), ss
);
926 dc_address_type
= DS_ADDRESS_TYPE_INET
;
929 switch (nt_version
& 0x0000001f) {
935 dc_address
= r
->logon1
.pdc_name
;
936 dc_address_type
= DS_ADDRESS_TYPE_NETBIOS
;
939 map_dc_and_domain_names(flags
,
941 r
->logon1
.domain_name
,
948 if (flags
& DS_PDC_REQUIRED
) {
949 dc_flags
= NBT_SERVER_WRITABLE
| NBT_SERVER_PDC
;
957 dc_address
= r
->logon3
.pdc_ip
;
958 dc_address_type
= DS_ADDRESS_TYPE_INET
;
961 map_dc_and_domain_names(flags
,
963 r
->logon3
.domain_name
,
964 r
->logon3
.pdc_dns_name
,
965 r
->logon3
.dns_domain
,
970 dc_flags
|= r
->logon3
.server_type
;
971 dc_forest
= r
->logon3
.forest
;
972 dc_domain_guid
= &r
->logon3
.domain_uuid
;
980 dc_address
= r
->logon5
.pdc_name
;
981 dc_address_type
= DS_ADDRESS_TYPE_NETBIOS
;
984 map_dc_and_domain_names(flags
,
987 r
->logon5
.pdc_dns_name
,
988 r
->logon5
.dns_domain
,
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
;
1009 dc_address
= r
->logon13
.dc_sock_addr
.pdc_ip
;
1010 dc_address_type
= DS_ADDRESS_TYPE_INET
;
1013 map_dc_and_domain_names(flags
,
1014 r
->logon13
.pdc_name
,
1016 r
->logon13
.pdc_dns_name
,
1017 r
->logon13
.dns_domain
,
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
;
1039 dc_address
= r
->logon15
.pdc_name
;
1040 dc_address_type
= DS_ADDRESS_TYPE_NETBIOS
;
1043 map_dc_and_domain_names(flags
,
1044 r
->logon15
.pdc_name
,
1046 r
->logon15
.pdc_dns_name
,
1047 r
->logon15
.dns_domain
,
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
;
1063 dc_address
= r
->logon29
.dc_sock_addr
.pdc_ip
;
1064 dc_address_type
= DS_ADDRESS_TYPE_INET
;
1067 map_dc_and_domain_names(flags
,
1068 r
->logon29
.pdc_name
,
1070 r
->logon29
.pdc_dns_name
,
1071 r
->logon29
.dns_domain
,
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
;
1084 return NT_STATUS_INVALID_PARAMETER
;
1087 return make_domain_controller_info(mem_ctx
,
1100 /****************************************************************
1101 ****************************************************************/
1103 static uint32_t map_ds_flags_to_nt_version(uint32_t flags
)
1105 uint32_t nt_version
= 0;
1107 if (flags
& DS_PDC_REQUIRED
) {
1108 nt_version
|= NETLOGON_VERSION_PDC
;
1111 if (flags
& DS_GC_SERVER_REQUIRED
) {
1112 nt_version
|= NETLOGON_VERSION_GC
;
1115 if (flags
& DS_TRY_NEXTCLOSEST_SITE
) {
1116 nt_version
|= NETLOGON_VERSION_WITH_CLOSEST_SITE
;
1119 if (flags
& DS_IP_REQUIRED
) {
1120 nt_version
|= NETLOGON_VERSION_IP
;
1126 /****************************************************************
1127 ****************************************************************/
1129 static NTSTATUS
process_dc_dns(TALLOC_CTX
*mem_ctx
,
1130 const char *domain_name
,
1132 struct ip_service_name
*dclist
,
1134 struct netr_DsRGetDCNameInfo
**info
)
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;
1144 nt_version
|= map_ds_flags_to_nt_version(flags
);
1146 for (i
=0; i
<num_dcs
; i
++) {
1148 DEBUG(10,("LDAP ping to %s\n", dclist
[i
].hostname
));
1150 if (ads_cldap_netlogon(mem_ctx
, dclist
[i
].hostname
,
1155 ret_flags
= get_cldap_reply_server_flags(r
, nt_version
);
1157 if (check_cldap_reply_required_flags(ret_flags
, flags
)) {
1167 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
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
,
1180 /****************************************************************
1181 ****************************************************************/
1183 static struct event_context
*ev_context(void)
1185 static struct event_context
*ctx
;
1187 if (!ctx
&& !(ctx
= event_context_init(NULL
))) {
1188 smb_panic("Could not init event context");
1193 /****************************************************************
1194 ****************************************************************/
1196 static struct messaging_context
*msg_context(TALLOC_CTX
*mem_ctx
)
1198 static struct messaging_context
*ctx
;
1200 if (!ctx
&& !(ctx
= messaging_init(mem_ctx
, server_id_self(),
1202 smb_panic("Could not init messaging context");
1207 /****************************************************************
1208 ****************************************************************/
1210 static NTSTATUS
process_dc_netbios(TALLOC_CTX
*mem_ctx
,
1211 struct messaging_context
*msg_ctx
,
1212 const char *domain_name
,
1214 struct ip_service_name
*dclist
,
1216 struct netr_DsRGetDCNameInfo
**info
)
1218 struct sockaddr_storage ss
;
1219 struct ip_service ip_list
;
1220 enum nbt_name_type name_type
= NBT_NAME_LOGON
;
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
;
1232 msg_ctx
= msg_context(mem_ctx
);
1235 if (flags
& DS_PDC_REQUIRED
) {
1236 name_type
= NBT_NAME_PDC
;
1239 nt_version
|= map_ds_flags_to_nt_version(flags
);
1241 DEBUG(10,("process_dc_netbios\n"));
1243 for (i
=0; i
<num_dcs
; i
++) {
1245 ip_list
.ss
= dclist
[i
].ss
;
1248 if (!interpret_string_addr(&ss
, dclist
[i
].hostname
, AI_NUMERICHOST
)) {
1249 return NT_STATUS_UNSUCCESSFUL
;
1252 if (send_getdc_request(mem_ctx
, msg_ctx
,
1253 &dclist
[i
].ss
, domain_name
,
1258 for (k
=0; k
<5; k
++) {
1259 if (receive_getdc_response(mem_ctx
,
1266 namecache_store(dc_name
, NBT_NAME_SERVER
, 1, &ip_list
);
1273 if (name_status_find(domain_name
,
1279 struct nbt_cldap_netlogon_1 logon1
;
1281 r
= TALLOC_ZERO_P(mem_ctx
, union nbt_cldap_netlogon
);
1282 NT_STATUS_HAVE_NO_MEMORY(r
);
1284 ZERO_STRUCT(logon1
);
1286 nt_version
= NETLOGON_VERSION_1
;
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
);
1295 namecache_store(tmp_dc_name
, NBT_NAME_SERVER
, 1, &ip_list
);
1301 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
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
,
1315 /****************************************************************
1316 ****************************************************************/
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
,
1323 const char *site_name
,
1324 struct netr_DsRGetDCNameInfo
**info
)
1326 NTSTATUS status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1327 struct ip_service_name
*dclist
= NULL
;
1330 DEBUG(10,("dsgetdcname_rediscover\n"));
1332 if (flags
& DS_IS_FLAT_NAME
) {
1334 status
= discover_dc_netbios(mem_ctx
, domain_name
, flags
,
1336 NT_STATUS_NOT_OK_RETURN(status
);
1338 return process_dc_netbios(mem_ctx
, msg_ctx
, domain_name
, flags
,
1339 dclist
, num_dcs
, info
);
1342 if (flags
& DS_IS_DNS_NAME
) {
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
);
1348 return process_dc_dns(mem_ctx
, domain_name
, flags
,
1349 dclist
, num_dcs
, info
);
1352 status
= discover_dc_dns(mem_ctx
, domain_name
, domain_guid
, flags
,
1353 site_name
, &dclist
, &num_dcs
);
1355 if (NT_STATUS_IS_OK(status
) && num_dcs
!= 0) {
1357 status
= process_dc_dns(mem_ctx
, domain_name
, flags
, dclist
,
1359 if (NT_STATUS_IS_OK(status
)) {
1364 status
= discover_dc_netbios(mem_ctx
, domain_name
, flags
, &dclist
,
1366 NT_STATUS_NOT_OK_RETURN(status
);
1368 return process_dc_netbios(mem_ctx
, msg_ctx
, domain_name
, flags
, dclist
,
1372 /********************************************************************
1375 This will be the only public function here.
1376 ********************************************************************/
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
,
1384 struct netr_DsRGetDCNameInfo
**info
)
1386 NTSTATUS status
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1387 struct netr_DsRGetDCNameInfo
*myinfo
= NULL
;
1389 DEBUG(10,("dsgetdcname: domain_name: %s, "
1390 "domain_guid: %s, site_name: %s, flags: 0x%08x\n",
1392 domain_guid
? GUID_string(mem_ctx
, domain_guid
) : "(null)",
1397 if (!check_allowed_required_flags(flags
)) {
1398 DEBUG(0,("invalid flags specified\n"));
1399 return NT_STATUS_INVALID_PARAMETER
;
1402 if (flags
& DS_FORCE_REDISCOVERY
) {
1406 status
= dsgetdcname_cached(mem_ctx
, msg_ctx
, domain_name
, domain_guid
,
1407 flags
, site_name
, &myinfo
);
1408 if (NT_STATUS_IS_OK(status
)) {
1413 if (flags
& DS_BACKGROUND_ONLY
) {
1418 status
= dsgetdcname_rediscover(mem_ctx
, msg_ctx
, domain_name
,
1419 domain_guid
, flags
, site_name
,
1422 if (NT_STATUS_IS_OK(status
)) {