2 Unix SMB/CIFS implementation.
4 Winbind ADS backend functions
6 Copyright (C) Andrew Tridgell 2001
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
8 Copyright (C) Gerald (Jerry) Carter 2004
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #define DBGC_CLASS DBGC_WINBIND
34 return our ads connections structure for a domain. We keep the connection
35 open to make things faster
37 static ADS_STRUCT
*ads_cached_connection(struct winbindd_domain
*domain
)
42 if (domain
->private_data
) {
43 ads
= (ADS_STRUCT
*)domain
->private_data
;
45 /* check for a valid structure */
47 DEBUG(7, ("Current tickets expire at %d, time is now %d\n",
48 (uint32
) ads
->auth
.expire
, (uint32
) time(NULL
)));
49 if ( ads
->config
.realm
&& (ads
->auth
.expire
> time(NULL
))) {
53 /* we own this ADS_STRUCT so make sure it goes away */
56 ads_kdestroy("MEMORY:winbind_ccache");
57 domain
->private_data
= NULL
;
61 /* we don't want this to affect the users ccache */
63 setenv("KRB5CCNAME", "KCM:SYSTEM", 1);
65 setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1);
68 ads
= ads_init(domain
->alt_name
, domain
->name
, NULL
);
70 DEBUG(1,("ads_init for domain %s failed\n", domain
->name
));
74 /* the machine acct password might have change - fetch it every time */
76 SAFE_FREE(ads
->auth
.password
);
77 SAFE_FREE(ads
->auth
.realm
);
83 if ( !secrets_fetch_trusted_domain_password( domain
->name
, &ads
->auth
.password
, &sid
, &last_set_time
) ) {
87 ads
->auth
.realm
= SMB_STRDUP( ads
->server
.realm
);
88 strupper_m( ads
->auth
.realm
);
91 struct winbindd_domain
*our_domain
= domain
;
93 ads
->auth
.password
= secrets_fetch_machine_password(lp_workgroup(), NULL
, NULL
);
95 /* always give preference to the alt_name in our
96 primary domain if possible */
98 if ( !domain
->primary
)
99 our_domain
= find_our_domain();
101 if ( our_domain
->alt_name
[0] != '\0' ) {
102 ads
->auth
.realm
= SMB_STRDUP( our_domain
->alt_name
);
103 strupper_m( ads
->auth
.realm
);
106 ads
->auth
.realm
= SMB_STRDUP( lp_realm() );
109 ads
->auth
.renewable
= 1;
111 status
= ads_connect(ads
);
112 if (!ADS_ERR_OK(status
) || !ads
->config
.realm
) {
113 extern struct winbindd_methods msrpc_methods
, cache_methods
;
114 DEBUG(1,("ads_connect for domain %s failed: %s\n",
115 domain
->name
, ads_errstr(status
)));
118 /* if we get ECONNREFUSED then it might be a NT4
119 server, fall back to MSRPC */
120 if (status
.error_type
== ENUM_ADS_ERROR_SYSTEM
&&
121 status
.err
.rc
== ECONNREFUSED
) {
122 DEBUG(1,("Trying MSRPC methods\n"));
123 if (domain
->methods
== &cache_methods
) {
124 domain
->backend
= &msrpc_methods
;
126 domain
->methods
= &msrpc_methods
;
132 if (use_nss_info("sfu") && (!ads_check_sfu_mapping(ads
))) {
133 DEBUG(0,("ads_cached_connection: failed to check sfu attributes\n"));
137 /* set the flag that says we don't own the memory even
138 though we do so that ads_destroy() won't destroy the
139 structure we pass back by reference */
141 ads
->is_mine
= False
;
143 domain
->private_data
= (void *)ads
;
148 /* Query display info for a realm. This is the basic user list fn */
149 static NTSTATUS
query_user_list(struct winbindd_domain
*domain
,
152 WINBIND_USERINFO
**info
)
154 ADS_STRUCT
*ads
= NULL
;
155 const char *attrs
[] = {"userPrincipalName",
157 "name", "objectSid", "primaryGroupID",
159 ADS_ATTR_SFU_HOMEDIR_OID
,
160 ADS_ATTR_SFU_SHELL_OID
,
161 ADS_ATTR_SFU_GECOS_OID
,
167 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
171 DEBUG(3,("ads: query_user_list\n"));
173 ads
= ads_cached_connection(domain
);
176 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
180 rc
= ads_search_retry(ads
, &res
, "(objectClass=user)", attrs
);
181 if (!ADS_ERR_OK(rc
) || !res
) {
182 DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc
)));
186 count
= ads_count_replies(ads
, res
);
188 DEBUG(1,("query_user_list: No users found\n"));
192 (*info
) = TALLOC_ZERO_ARRAY(mem_ctx
, WINBIND_USERINFO
, count
);
194 status
= NT_STATUS_NO_MEMORY
;
200 for (msg
= ads_first_entry(ads
, res
); msg
; msg
= ads_next_entry(ads
, msg
)) {
201 char *name
, *gecos
= NULL
;
202 char *homedir
= NULL
;
207 if (!ads_pull_uint32(ads
, msg
, "sAMAccountType", &atype
) ||
208 ads_atype_map(atype
) != SID_NAME_USER
) {
209 DEBUG(1,("Not a user account? atype=0x%x\n", atype
));
213 name
= ads_pull_username(ads
, mem_ctx
, msg
);
215 if (use_nss_info("sfu")) {
216 homedir
= ads_pull_string(ads
, mem_ctx
, msg
,
217 ads
->schema
.sfu_homedir_attr
);
218 shell
= ads_pull_string(ads
, mem_ctx
, msg
,
219 ads
->schema
.sfu_shell_attr
);
220 gecos
= ads_pull_string(ads
, mem_ctx
, msg
,
221 ads
->schema
.sfu_gecos_attr
);
225 gecos
= ads_pull_string(ads
, mem_ctx
, msg
, "name");
228 if (!ads_pull_sid(ads
, msg
, "objectSid",
229 &(*info
)[i
].user_sid
)) {
230 DEBUG(1,("No sid for %s !?\n", name
));
233 if (!ads_pull_uint32(ads
, msg
, "primaryGroupID", &group
)) {
234 DEBUG(1,("No primary group for %s !?\n", name
));
238 (*info
)[i
].acct_name
= name
;
239 (*info
)[i
].full_name
= gecos
;
240 (*info
)[i
].homedir
= homedir
;
241 (*info
)[i
].shell
= shell
;
242 sid_compose(&(*info
)[i
].group_sid
, &domain
->sid
, group
);
247 status
= NT_STATUS_OK
;
249 DEBUG(3,("ads query_user_list gave %d entries\n", (*num_entries
)));
253 ads_msgfree(ads
, res
);
258 /* list all domain groups */
259 static NTSTATUS
enum_dom_groups(struct winbindd_domain
*domain
,
262 struct acct_info
**info
)
264 ADS_STRUCT
*ads
= NULL
;
265 const char *attrs
[] = {"userPrincipalName", "sAMAccountName",
266 "name", "objectSid", NULL
};
271 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
273 BOOL enum_dom_local_groups
= False
;
277 DEBUG(3,("ads: enum_dom_groups\n"));
279 /* only grab domain local groups for our domain */
280 if ( domain
->native_mode
&& strequal(lp_realm(), domain
->alt_name
) ) {
281 enum_dom_local_groups
= True
;
284 /* Workaround ADS LDAP bug present in MS W2K3 SP0 and W2K SP4 w/o
287 * According to Section 5.1(4) of RFC 2251 if a value of a type is it's
288 * default value, it MUST be absent. In case of extensible matching the
289 * "dnattr" boolean defaults to FALSE and so it must be only be present
292 * When it is set to FALSE and the OpenLDAP lib (correctly) encodes a
293 * filter using bitwise matching rule then the buggy AD fails to decode
294 * the extensible match. As a workaround set it to TRUE and thereby add
295 * the dnAttributes "dn" field to cope with those older AD versions.
296 * It should not harm and won't put any additional load on the AD since
297 * none of the dn components have a bitmask-attribute.
299 * Thanks to Ralf Haferkamp for input and testing - Guenther */
301 filter
= talloc_asprintf(mem_ctx
, "(&(objectCategory=group)(&(groupType:dn:%s:=%d)(!(groupType:dn:%s:=%d))))",
302 ADS_LDAP_MATCHING_RULE_BIT_AND
, GROUP_TYPE_SECURITY_ENABLED
,
303 ADS_LDAP_MATCHING_RULE_BIT_AND
,
304 enum_dom_local_groups
? GROUP_TYPE_BUILTIN_LOCAL_GROUP
: GROUP_TYPE_RESOURCE_GROUP
);
306 if (filter
== NULL
) {
307 status
= NT_STATUS_NO_MEMORY
;
311 ads
= ads_cached_connection(domain
);
314 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
318 rc
= ads_search_retry(ads
, &res
, filter
, attrs
);
319 if (!ADS_ERR_OK(rc
) || !res
) {
320 DEBUG(1,("enum_dom_groups ads_search: %s\n", ads_errstr(rc
)));
324 count
= ads_count_replies(ads
, res
);
326 DEBUG(1,("enum_dom_groups: No groups found\n"));
330 (*info
) = TALLOC_ZERO_ARRAY(mem_ctx
, struct acct_info
, count
);
332 status
= NT_STATUS_NO_MEMORY
;
338 for (msg
= ads_first_entry(ads
, res
); msg
; msg
= ads_next_entry(ads
, msg
)) {
343 name
= ads_pull_username(ads
, mem_ctx
, msg
);
344 gecos
= ads_pull_string(ads
, mem_ctx
, msg
, "name");
345 if (!ads_pull_sid(ads
, msg
, "objectSid", &sid
)) {
346 DEBUG(1,("No sid for %s !?\n", name
));
350 if (!sid_peek_check_rid(&domain
->sid
, &sid
, &rid
)) {
351 DEBUG(1,("No rid for %s !?\n", name
));
355 fstrcpy((*info
)[i
].acct_name
, name
);
356 fstrcpy((*info
)[i
].acct_desc
, gecos
);
357 (*info
)[i
].rid
= rid
;
363 status
= NT_STATUS_OK
;
365 DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries
)));
369 ads_msgfree(ads
, res
);
374 /* list all domain local groups */
375 static NTSTATUS
enum_local_groups(struct winbindd_domain
*domain
,
378 struct acct_info
**info
)
381 * This is a stub function only as we returned the domain
382 * local groups in enum_dom_groups() if the domain->native field
383 * was true. This is a simple performance optimization when
386 * if we ever need to enumerate domain local groups separately,
387 * then this the optimization in enum_dom_groups() will need
395 /* convert a DN to a name, SID and name type
396 this might become a major speed bottleneck if groups have
397 lots of users, in which case we could cache the results
399 static BOOL
dn_lookup(ADS_STRUCT
*ads
, TALLOC_CTX
*mem_ctx
,
401 char **name
, uint32
*name_type
, DOM_SID
*sid
)
404 const char *attrs
[] = {"userPrincipalName", "sAMAccountName",
405 "objectSid", "sAMAccountType", NULL
};
408 DEBUG(3,("ads: dn_lookup\n"));
410 rc
= ads_search_retry_dn(ads
, &res
, dn
, attrs
);
412 if (!ADS_ERR_OK(rc
) || !res
) {
416 (*name
) = ads_pull_username(ads
, mem_ctx
, res
);
418 if (!ads_pull_uint32(ads
, res
, "sAMAccountType", &atype
)) {
421 (*name_type
) = ads_atype_map(atype
);
423 if (!ads_pull_sid(ads
, res
, "objectSid", sid
)) {
428 ads_msgfree(ads
, res
);
434 ads_msgfree(ads
, res
);
439 /* Lookup user information from a rid */
440 static NTSTATUS
query_user(struct winbindd_domain
*domain
,
443 WINBIND_USERINFO
*info
)
445 ADS_STRUCT
*ads
= NULL
;
446 const char *attrs
[] = {"userPrincipalName",
450 ADS_ATTR_SFU_HOMEDIR_OID
,
451 ADS_ATTR_SFU_SHELL_OID
,
452 ADS_ATTR_SFU_GECOS_OID
,
460 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
462 DEBUG(3,("ads: query_user\n"));
464 ads
= ads_cached_connection(domain
);
467 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
471 sidstr
= sid_binstring(sid
);
472 asprintf(&ldap_exp
, "(objectSid=%s)", sidstr
);
473 rc
= ads_search_retry(ads
, &msg
, ldap_exp
, attrs
);
476 if (!ADS_ERR_OK(rc
) || !msg
) {
477 DEBUG(1,("query_user(sid=%s) ads_search: %s\n",
478 sid_string_static(sid
), ads_errstr(rc
)));
482 count
= ads_count_replies(ads
, msg
);
484 DEBUG(1,("query_user(sid=%s): Not found\n",
485 sid_string_static(sid
)));
489 info
->acct_name
= ads_pull_username(ads
, mem_ctx
, msg
);
491 if (use_nss_info("sfu")) {
492 info
->homedir
= ads_pull_string(ads
, mem_ctx
, msg
,
493 ads
->schema
.sfu_homedir_attr
);
494 info
->shell
= ads_pull_string(ads
, mem_ctx
, msg
,
495 ads
->schema
.sfu_shell_attr
);
496 info
->full_name
= ads_pull_string(ads
, mem_ctx
, msg
,
497 ads
->schema
.sfu_gecos_attr
);
500 if (info
->full_name
== NULL
) {
501 info
->full_name
= ads_pull_string(ads
, mem_ctx
, msg
, "name");
504 if (!ads_pull_uint32(ads
, msg
, "primaryGroupID", &group_rid
)) {
505 DEBUG(1,("No primary group for %s !?\n",
506 sid_string_static(sid
)));
510 sid_copy(&info
->user_sid
, sid
);
511 sid_compose(&info
->group_sid
, &domain
->sid
, group_rid
);
513 status
= NT_STATUS_OK
;
515 DEBUG(3,("ads query_user gave %s\n", info
->acct_name
));
518 ads_msgfree(ads
, msg
);
523 /* Lookup groups a user is a member of - alternate method, for when
524 tokenGroups are not available. */
525 static NTSTATUS
lookup_usergroups_alt(struct winbindd_domain
*domain
,
528 DOM_SID
*primary_group
,
529 size_t *p_num_groups
, DOM_SID
**user_sids
)
532 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
538 const char *group_attrs
[] = {"objectSid", NULL
};
540 size_t num_groups
= 0;
542 DEBUG(3,("ads: lookup_usergroups_alt\n"));
544 ads
= ads_cached_connection(domain
);
547 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
551 if (!(escaped_dn
= escape_ldap_string_alloc(user_dn
))) {
552 status
= NT_STATUS_NO_MEMORY
;
556 /* buggy server, no tokenGroups. Instead lookup what groups this user
557 is a member of by DN search on member*/
559 if (!(ldap_exp
= talloc_asprintf(mem_ctx
, "(&(member=%s)(objectClass=group))", escaped_dn
))) {
560 DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn
));
561 SAFE_FREE(escaped_dn
);
562 status
= NT_STATUS_NO_MEMORY
;
566 SAFE_FREE(escaped_dn
);
568 rc
= ads_search_retry(ads
, &res
, ldap_exp
, group_attrs
);
570 if (!ADS_ERR_OK(rc
) || !res
) {
571 DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn
, ads_errstr(rc
)));
572 return ads_ntstatus(rc
);
575 count
= ads_count_replies(ads
, res
);
580 /* always add the primary group to the sid array */
581 add_sid_to_array(mem_ctx
, primary_group
, user_sids
, &num_groups
);
584 for (msg
= ads_first_entry(ads
, res
); msg
;
585 msg
= ads_next_entry(ads
, msg
)) {
588 if (!ads_pull_sid(ads
, msg
, "objectSid", &group_sid
)) {
589 DEBUG(1,("No sid for this group ?!?\n"));
593 add_sid_to_array(mem_ctx
, &group_sid
, user_sids
,
599 *p_num_groups
= num_groups
;
600 status
= (user_sids
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
602 DEBUG(3,("ads lookup_usergroups (alt) for dn=%s\n", user_dn
));
605 ads_msgfree(ads
, res
);
610 /* Lookup groups a user is a member of. */
611 static NTSTATUS
lookup_usergroups(struct winbindd_domain
*domain
,
614 uint32
*p_num_groups
, DOM_SID
**user_sids
)
616 ADS_STRUCT
*ads
= NULL
;
617 const char *attrs
[] = {"tokenGroups", "primaryGroupID", NULL
};
620 LDAPMessage
*msg
= NULL
;
624 DOM_SID primary_group
;
625 uint32 primary_group_rid
;
627 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
628 size_t num_groups
= 0;
630 DEBUG(3,("ads: lookup_usergroups\n"));
633 ads
= ads_cached_connection(domain
);
636 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
637 status
= NT_STATUS_SERVER_DISABLED
;
641 rc
= ads_sid_to_dn(ads
, mem_ctx
, sid
, &user_dn
);
642 if (!ADS_ERR_OK(rc
)) {
643 status
= ads_ntstatus(rc
);
647 rc
= ads_search_retry_dn(ads
, (void**)(void *)&msg
, user_dn
, attrs
);
648 if (!ADS_ERR_OK(rc
)) {
649 status
= ads_ntstatus(rc
);
650 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: %s\n",
651 sid_to_string(sid_string
, sid
), ads_errstr(rc
)));
656 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
657 sid_to_string(sid_string
, sid
)));
658 status
= NT_STATUS_UNSUCCESSFUL
;
662 if (!ads_pull_uint32(ads
, msg
, "primaryGroupID", &primary_group_rid
)) {
663 DEBUG(1,("%s: No primary group for sid=%s !?\n",
664 domain
->name
, sid_to_string(sid_string
, sid
)));
668 sid_copy(&primary_group
, &domain
->sid
);
669 sid_append_rid(&primary_group
, primary_group_rid
);
671 count
= ads_pull_sids(ads
, mem_ctx
, msg
, "tokenGroups", &sids
);
674 ads_msgfree(ads
, msg
);
676 /* there must always be at least one group in the token,
677 unless we are talking to a buggy Win2k server */
679 status
= lookup_usergroups_alt(domain
, mem_ctx
, user_dn
,
681 &num_groups
, user_sids
);
682 *p_num_groups
= (uint32
)num_groups
;
689 add_sid_to_array(mem_ctx
, &primary_group
, user_sids
, &num_groups
);
691 for (i
=0;i
<count
;i
++) {
693 /* ignore Builtin groups from ADS - Guenther */
694 if (sid_check_is_in_builtin(&sids
[i
])) {
698 add_sid_to_array_unique(mem_ctx
, &sids
[i
],
699 user_sids
, &num_groups
);
702 *p_num_groups
= (uint32
)num_groups
;
703 status
= (user_sids
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
705 DEBUG(3,("ads lookup_usergroups for sid=%s\n",
706 sid_to_string(sid_string
, sid
)));
712 find the members of a group, given a group rid and domain
714 static NTSTATUS
lookup_groupmem(struct winbindd_domain
*domain
,
716 const DOM_SID
*group_sid
, uint32
*num_names
,
717 DOM_SID
**sid_mem
, char ***names
,
723 ADS_STRUCT
*ads
= NULL
;
725 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
737 DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain
->name
,
738 sid_string_static(group_sid
)));
742 ads
= ads_cached_connection(domain
);
745 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
749 sidstr
= sid_binstring(group_sid
);
751 /* search for all members of the group */
752 if (!(ldap_exp
= talloc_asprintf(mem_ctx
, "(objectSid=%s)",sidstr
))) {
754 DEBUG(1, ("ads: lookup_groupmem: tallloc_asprintf for ldap_exp failed!\n"));
755 status
= NT_STATUS_NO_MEMORY
;
763 attrs
= TALLOC_ARRAY(mem_ctx
, const char *, 3);
764 attrs
[1] = talloc_strdup(mem_ctx
, "usnChanged");
768 if (num_members
== 0)
769 attrs
[0] = talloc_strdup(mem_ctx
, "member");
771 DEBUG(10, ("Searching for attrs[0] = %s, attrs[1] = %s\n", attrs
[0], attrs
[1]));
773 rc
= ads_search_retry(ads
, &res
, ldap_exp
, attrs
);
775 if (!ADS_ERR_OK(rc
) || !res
) {
776 DEBUG(1,("ads: lookup_groupmem ads_search: %s\n",
778 status
= ads_ntstatus(rc
);
782 count
= ads_count_replies(ads
, res
);
786 if (num_members
== 0) {
787 if (!ads_pull_uint32(ads
, res
, "usnChanged", &first_usn
)) {
788 DEBUG(1, ("ads: lookup_groupmem could not pull usnChanged!\n"));
793 if (!ads_pull_uint32(ads
, res
, "usnChanged", ¤t_usn
)) {
794 DEBUG(1, ("ads: lookup_groupmem could not pull usnChanged!\n"));
798 if (first_usn
!= current_usn
) {
799 DEBUG(5, ("ads: lookup_groupmem USN on this record changed"
800 " - restarting search\n"));
801 if (num_retries
< 5) {
806 DEBUG(5, ("ads: lookup_groupmem USN on this record changed"
807 " - restarted search too many times, aborting!\n"));
808 status
= NT_STATUS_UNSUCCESSFUL
;
813 members
= ads_pull_strings_range(ads
, mem_ctx
, res
,
820 if ((members
== NULL
) || (num_members
== 0))
823 } while (more_values
);
825 /* now we need to turn a list of members into rids, names and name types
826 the problem is that the members are in the form of distinguised names
829 (*sid_mem
) = TALLOC_ZERO_ARRAY(mem_ctx
, DOM_SID
, num_members
);
830 (*name_types
) = TALLOC_ZERO_ARRAY(mem_ctx
, uint32
, num_members
);
831 (*names
) = TALLOC_ZERO_ARRAY(mem_ctx
, char *, num_members
);
833 for (i
=0;i
<num_members
;i
++) {
838 if (dn_lookup(ads
, mem_ctx
, members
[i
], &name
, &name_type
, &sid
)) {
839 (*names
)[*num_names
] = name
;
840 (*name_types
)[*num_names
] = name_type
;
841 sid_copy(&(*sid_mem
)[*num_names
], &sid
);
846 status
= NT_STATUS_OK
;
847 DEBUG(3,("ads lookup_groupmem for sid=%s\n", sid_to_string(sid_string
, group_sid
)));
851 ads_msgfree(ads
, res
);
856 /* find the sequence number for a domain */
857 static NTSTATUS
sequence_number(struct winbindd_domain
*domain
, uint32
*seq
)
859 ADS_STRUCT
*ads
= NULL
;
862 DEBUG(3,("ads: fetch sequence_number for %s\n", domain
->name
));
864 *seq
= DOM_SEQUENCE_NONE
;
866 ads
= ads_cached_connection(domain
);
869 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
870 return NT_STATUS_UNSUCCESSFUL
;
873 rc
= ads_USN(ads
, seq
);
875 if (!ADS_ERR_OK(rc
)) {
877 /* its a dead connection ; don't destroy it
878 through since ads_USN() has already done
881 domain
->private_data
= NULL
;
883 return ads_ntstatus(rc
);
886 /* get a list of trusted domains */
887 static NTSTATUS
trusted_domains(struct winbindd_domain
*domain
,
894 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
895 struct ds_domain_trust
*domains
= NULL
;
898 uint32 flags
= DS_DOMAIN_DIRECT_OUTBOUND
;
899 struct rpc_pipe_client
*cli
;
901 DEBUG(3,("ads: trusted_domains\n"));
908 result
= cm_connect_netlogon(domain
, &cli
);
910 if (!NT_STATUS_IS_OK(result
)) {
911 DEBUG(5, ("trusted_domains: Could not open a connection to %s "
912 "for PIPE_NETLOGON (%s)\n",
913 domain
->name
, nt_errstr(result
)));
914 return NT_STATUS_UNSUCCESSFUL
;
917 if ( NT_STATUS_IS_OK(result
) ) {
918 result
= rpccli_ds_enum_domain_trusts(cli
, mem_ctx
,
921 (unsigned int *)&count
);
924 if ( NT_STATUS_IS_OK(result
) && count
) {
926 /* Allocate memory for trusted domain names and sids */
928 if ( !(*names
= TALLOC_ARRAY(mem_ctx
, char *, count
)) ) {
929 DEBUG(0, ("trusted_domains: out of memory\n"));
930 return NT_STATUS_NO_MEMORY
;
933 if ( !(*alt_names
= TALLOC_ARRAY(mem_ctx
, char *, count
)) ) {
934 DEBUG(0, ("trusted_domains: out of memory\n"));
935 return NT_STATUS_NO_MEMORY
;
938 if ( !(*dom_sids
= TALLOC_ARRAY(mem_ctx
, DOM_SID
, count
)) ) {
939 DEBUG(0, ("trusted_domains: out of memory\n"));
940 return NT_STATUS_NO_MEMORY
;
943 /* Copy across names and sids */
945 for (i
= 0; i
< count
; i
++) {
946 (*names
)[i
] = domains
[i
].netbios_domain
;
947 (*alt_names
)[i
] = domains
[i
].dns_domain
;
949 sid_copy(&(*dom_sids
)[i
], &domains
[i
].sid
);
952 *num_domains
= count
;
958 /* the ADS backend methods are exposed via this structure */
959 struct winbindd_methods ads_methods
= {
968 msrpc_lookup_useraliases
,
971 msrpc_lockout_policy
,
972 msrpc_password_policy
,