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 3 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, see <http://www.gnu.org/licenses/>.
26 #include "../librpc/gen_ndr/cli_netlogon.h"
31 #define DBGC_CLASS DBGC_WINBIND
33 extern struct winbindd_methods reconnect_methods
;
36 return our ads connections structure for a domain. We keep the connection
37 open to make things faster
39 static ADS_STRUCT
*ads_cached_connection(struct winbindd_domain
*domain
)
44 struct sockaddr_storage dc_ss
;
46 DEBUG(10,("ads_cached_connection\n"));
48 if (domain
->private_data
) {
51 time_t now
= time(NULL
);
53 /* check for a valid structure */
54 ads
= (ADS_STRUCT
*)domain
->private_data
;
56 expire
= MIN(ads
->auth
.tgt_expire
, ads
->auth
.tgs_expire
);
58 DEBUG(7, ("Current tickets expire in %d seconds (at %d, time is now %d)\n",
59 (uint32
)expire
-(uint32
)now
, (uint32
) expire
, (uint32
) now
));
61 if ( ads
->config
.realm
&& (expire
> now
)) {
64 /* we own this ADS_STRUCT so make sure it goes away */
65 DEBUG(7,("Deleting expired krb5 credential cache\n"));
68 ads_kdestroy("MEMORY:winbind_ccache");
69 domain
->private_data
= NULL
;
73 /* we don't want this to affect the users ccache */
74 setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1);
76 ads
= ads_init(domain
->alt_name
, domain
->name
, NULL
);
78 DEBUG(1,("ads_init for domain %s failed\n", domain
->name
));
82 /* the machine acct password might have change - fetch it every time */
84 SAFE_FREE(ads
->auth
.password
);
85 SAFE_FREE(ads
->auth
.realm
);
89 if ( !pdb_get_trusteddom_pw( domain
->name
, &ads
->auth
.password
, NULL
, NULL
) ) {
93 ads
->auth
.realm
= SMB_STRDUP( ads
->server
.realm
);
94 strupper_m( ads
->auth
.realm
);
97 struct winbindd_domain
*our_domain
= domain
;
99 ads
->auth
.password
= secrets_fetch_machine_password(lp_workgroup(), NULL
, NULL
);
101 /* always give preference to the alt_name in our
102 primary domain if possible */
104 if ( !domain
->primary
)
105 our_domain
= find_our_domain();
107 if ( our_domain
->alt_name
[0] != '\0' ) {
108 ads
->auth
.realm
= SMB_STRDUP( our_domain
->alt_name
);
109 strupper_m( ads
->auth
.realm
);
112 ads
->auth
.realm
= SMB_STRDUP( lp_realm() );
115 ads
->auth
.renewable
= WINBINDD_PAM_AUTH_KRB5_RENEW_TIME
;
117 /* Setup the server affinity cache. We don't reaally care
118 about the name. Just setup affinity and the KRB5_CONFIG
121 get_dc_name( ads
->server
.workgroup
, ads
->server
.realm
, dc_name
, &dc_ss
);
123 status
= ads_connect(ads
);
124 if (!ADS_ERR_OK(status
) || !ads
->config
.realm
) {
125 DEBUG(1,("ads_connect for domain %s failed: %s\n",
126 domain
->name
, ads_errstr(status
)));
129 /* if we get ECONNREFUSED then it might be a NT4
130 server, fall back to MSRPC */
131 if (status
.error_type
== ENUM_ADS_ERROR_SYSTEM
&&
132 status
.err
.rc
== ECONNREFUSED
) {
133 /* 'reconnect_methods' is the MS-RPC backend. */
134 DEBUG(1,("Trying MSRPC methods\n"));
135 domain
->backend
= &reconnect_methods
;
140 /* set the flag that says we don't own the memory even
141 though we do so that ads_destroy() won't destroy the
142 structure we pass back by reference */
144 ads
->is_mine
= False
;
146 domain
->private_data
= (void *)ads
;
151 /* Query display info for a realm. This is the basic user list fn */
152 static NTSTATUS
query_user_list(struct winbindd_domain
*domain
,
155 struct wbint_userinfo
**info
)
157 ADS_STRUCT
*ads
= NULL
;
158 const char *attrs
[] = { "*", NULL
};
161 LDAPMessage
*res
= NULL
;
162 LDAPMessage
*msg
= NULL
;
163 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
167 DEBUG(3,("ads: query_user_list\n"));
169 if ( !winbindd_can_contact_domain( domain
) ) {
170 DEBUG(10,("query_user_list: No incoming trust for domain %s\n",
175 ads
= ads_cached_connection(domain
);
178 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
182 rc
= ads_search_retry(ads
, &res
, "(objectCategory=user)", attrs
);
183 if (!ADS_ERR_OK(rc
) || !res
) {
184 DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc
)));
188 count
= ads_count_replies(ads
, res
);
190 DEBUG(1,("query_user_list: No users found\n"));
194 (*info
) = TALLOC_ZERO_ARRAY(mem_ctx
, struct wbint_userinfo
, count
);
196 status
= NT_STATUS_NO_MEMORY
;
202 for (msg
= ads_first_entry(ads
, res
); msg
; msg
= ads_next_entry(ads
, msg
)) {
204 const char *gecos
= NULL
;
205 const char *homedir
= NULL
;
206 const char *shell
= NULL
;
210 gid_t primary_gid
= (gid_t
)-1;
212 if (!ads_pull_uint32(ads
, msg
, "sAMAccountType", &atype
) ||
213 ds_atype_map(atype
) != SID_NAME_USER
) {
214 DEBUG(1,("Not a user account? atype=0x%x\n", atype
));
218 name
= ads_pull_username(ads
, mem_ctx
, msg
);
220 if ( ads_pull_sid( ads
, msg
, "objectSid", &user_sid
) ) {
221 status
= nss_get_info_cached( domain
, &user_sid
, mem_ctx
,
222 ads
, msg
, &homedir
, &shell
, &gecos
,
227 gecos
= ads_pull_string(ads
, mem_ctx
, msg
, "name");
230 if (!ads_pull_sid(ads
, msg
, "objectSid",
231 &(*info
)[i
].user_sid
)) {
232 DEBUG(1,("No sid for %s !?\n", name
));
235 if (!ads_pull_uint32(ads
, msg
, "primaryGroupID", &group
)) {
236 DEBUG(1,("No primary group for %s !?\n", name
));
240 (*info
)[i
].acct_name
= name
;
241 (*info
)[i
].full_name
= gecos
;
242 (*info
)[i
].homedir
= homedir
;
243 (*info
)[i
].shell
= shell
;
244 (*info
)[i
].primary_gid
= primary_gid
;
245 sid_compose(&(*info
)[i
].group_sid
, &domain
->sid
, group
);
250 status
= NT_STATUS_OK
;
252 DEBUG(3,("ads query_user_list gave %d entries\n", (*num_entries
)));
256 ads_msgfree(ads
, res
);
261 /* list all domain groups */
262 static NTSTATUS
enum_dom_groups(struct winbindd_domain
*domain
,
265 struct acct_info
**info
)
267 ADS_STRUCT
*ads
= NULL
;
268 const char *attrs
[] = {"userPrincipalName", "sAMAccountName",
269 "name", "objectSid", NULL
};
272 LDAPMessage
*res
= NULL
;
273 LDAPMessage
*msg
= NULL
;
274 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
276 bool enum_dom_local_groups
= False
;
280 DEBUG(3,("ads: enum_dom_groups\n"));
282 if ( !winbindd_can_contact_domain( domain
) ) {
283 DEBUG(10,("enum_dom_groups: No incoming trust for domain %s\n",
288 /* only grab domain local groups for our domain */
289 if ( domain
->active_directory
&& strequal(lp_realm(), domain
->alt_name
) ) {
290 enum_dom_local_groups
= True
;
293 /* Workaround ADS LDAP bug present in MS W2K3 SP0 and W2K SP4 w/o
296 * According to Section 5.1(4) of RFC 2251 if a value of a type is it's
297 * default value, it MUST be absent. In case of extensible matching the
298 * "dnattr" boolean defaults to FALSE and so it must be only be present
301 * When it is set to FALSE and the OpenLDAP lib (correctly) encodes a
302 * filter using bitwise matching rule then the buggy AD fails to decode
303 * the extensible match. As a workaround set it to TRUE and thereby add
304 * the dnAttributes "dn" field to cope with those older AD versions.
305 * It should not harm and won't put any additional load on the AD since
306 * none of the dn components have a bitmask-attribute.
308 * Thanks to Ralf Haferkamp for input and testing - Guenther */
310 filter
= talloc_asprintf(mem_ctx
, "(&(objectCategory=group)(&(groupType:dn:%s:=%d)(!(groupType:dn:%s:=%d))))",
311 ADS_LDAP_MATCHING_RULE_BIT_AND
, GROUP_TYPE_SECURITY_ENABLED
,
312 ADS_LDAP_MATCHING_RULE_BIT_AND
,
313 enum_dom_local_groups
? GROUP_TYPE_BUILTIN_LOCAL_GROUP
: GROUP_TYPE_RESOURCE_GROUP
);
315 if (filter
== NULL
) {
316 status
= NT_STATUS_NO_MEMORY
;
320 ads
= ads_cached_connection(domain
);
323 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
327 rc
= ads_search_retry(ads
, &res
, filter
, attrs
);
328 if (!ADS_ERR_OK(rc
) || !res
) {
329 DEBUG(1,("enum_dom_groups ads_search: %s\n", ads_errstr(rc
)));
333 count
= ads_count_replies(ads
, res
);
335 DEBUG(1,("enum_dom_groups: No groups found\n"));
339 (*info
) = TALLOC_ZERO_ARRAY(mem_ctx
, struct acct_info
, count
);
341 status
= NT_STATUS_NO_MEMORY
;
347 for (msg
= ads_first_entry(ads
, res
); msg
; msg
= ads_next_entry(ads
, msg
)) {
352 name
= ads_pull_username(ads
, mem_ctx
, msg
);
353 gecos
= ads_pull_string(ads
, mem_ctx
, msg
, "name");
354 if (!ads_pull_sid(ads
, msg
, "objectSid", &sid
)) {
355 DEBUG(1,("No sid for %s !?\n", name
));
359 if (!sid_peek_check_rid(&domain
->sid
, &sid
, &rid
)) {
360 DEBUG(1,("No rid for %s !?\n", name
));
364 fstrcpy((*info
)[i
].acct_name
, name
);
365 fstrcpy((*info
)[i
].acct_desc
, gecos
);
366 (*info
)[i
].rid
= rid
;
372 status
= NT_STATUS_OK
;
374 DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries
)));
378 ads_msgfree(ads
, res
);
383 /* list all domain local groups */
384 static NTSTATUS
enum_local_groups(struct winbindd_domain
*domain
,
387 struct acct_info
**info
)
390 * This is a stub function only as we returned the domain
391 * local groups in enum_dom_groups() if the domain->native field
392 * was true. This is a simple performance optimization when
395 * if we ever need to enumerate domain local groups separately,
396 * then this optimization in enum_dom_groups() will need
404 /* convert a single name to a sid in a domain - use rpc methods */
405 static NTSTATUS
name_to_sid(struct winbindd_domain
*domain
,
407 const char *domain_name
,
411 enum lsa_SidType
*type
)
413 return reconnect_methods
.name_to_sid(domain
, mem_ctx
,
414 domain_name
, name
, flags
,
418 /* convert a domain SID to a user or group name - use rpc methods */
419 static NTSTATUS
sid_to_name(struct winbindd_domain
*domain
,
424 enum lsa_SidType
*type
)
426 return reconnect_methods
.sid_to_name(domain
, mem_ctx
, sid
,
427 domain_name
, name
, type
);
430 /* convert a list of rids to names - use rpc methods */
431 static NTSTATUS
rids_to_names(struct winbindd_domain
*domain
,
438 enum lsa_SidType
**types
)
440 return reconnect_methods
.rids_to_names(domain
, mem_ctx
, sid
,
442 domain_name
, names
, types
);
445 /* If you are looking for "dn_lookup": Yes, it used to be here!
446 * It has gone now since it was a major speed bottleneck in
447 * lookup_groupmem (its only use). It has been replaced by
448 * an rpc lookup sids call... R.I.P. */
450 /* Lookup user information from a rid */
451 static NTSTATUS
query_user(struct winbindd_domain
*domain
,
454 struct wbint_userinfo
*info
)
456 ADS_STRUCT
*ads
= NULL
;
457 const char *attrs
[] = { "*", NULL
};
460 LDAPMessage
*msg
= NULL
;
464 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
465 struct netr_SamInfo3
*user
= NULL
;
468 DEBUG(3,("ads: query_user\n"));
470 info
->homedir
= NULL
;
472 info
->primary_gid
= (gid_t
)-1;
474 /* try netsamlogon cache first */
476 if ( (user
= netsamlogon_cache_get( mem_ctx
, sid
)) != NULL
)
478 DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
479 sid_string_dbg(sid
)));
481 sid_compose(&info
->user_sid
, &domain
->sid
, user
->base
.rid
);
482 sid_compose(&info
->group_sid
, &domain
->sid
, user
->base
.primary_gid
);
484 info
->acct_name
= talloc_strdup(mem_ctx
, user
->base
.account_name
.string
);
485 info
->full_name
= talloc_strdup(mem_ctx
, user
->base
.full_name
.string
);
487 nss_get_info_cached( domain
, sid
, mem_ctx
, NULL
, NULL
,
488 &info
->homedir
, &info
->shell
, &info
->full_name
,
490 info
->primary_gid
= gid
;
497 if ( !winbindd_can_contact_domain(domain
)) {
498 DEBUG(8,("query_user: No incoming trust from domain %s\n",
501 /* We still need to generate some basic information
502 about the user even if we cannot contact the
503 domain. Most of this stuff we can deduce. */
505 sid_copy( &info
->user_sid
, sid
);
507 /* Assume "Domain Users" for the primary group */
509 sid_compose(&info
->group_sid
, &domain
->sid
, DOMAIN_GROUP_RID_USERS
);
511 /* Try to fill in what the nss_info backend can do */
513 nss_get_info_cached( domain
, sid
, mem_ctx
, NULL
, NULL
,
514 &info
->homedir
, &info
->shell
, &info
->full_name
,
516 info
->primary_gid
= gid
;
518 status
= NT_STATUS_OK
;
522 /* no cache...do the query */
524 if ( (ads
= ads_cached_connection(domain
)) == NULL
) {
525 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
529 sidstr
= sid_binstring(talloc_tos(), sid
);
530 if (asprintf(&ldap_exp
, "(objectSid=%s)", sidstr
) == -1) {
531 status
= NT_STATUS_NO_MEMORY
;
534 rc
= ads_search_retry(ads
, &msg
, ldap_exp
, attrs
);
537 if (!ADS_ERR_OK(rc
) || !msg
) {
538 DEBUG(1,("query_user(sid=%s) ads_search: %s\n",
539 sid_string_dbg(sid
), ads_errstr(rc
)));
543 count
= ads_count_replies(ads
, msg
);
545 DEBUG(1,("query_user(sid=%s): Not found\n",
546 sid_string_dbg(sid
)));
550 info
->acct_name
= ads_pull_username(ads
, mem_ctx
, msg
);
552 nss_get_info_cached( domain
, sid
, mem_ctx
, ads
, msg
,
553 &info
->homedir
, &info
->shell
, &info
->full_name
,
555 info
->primary_gid
= gid
;
557 if (info
->full_name
== NULL
) {
558 info
->full_name
= ads_pull_string(ads
, mem_ctx
, msg
, "name");
561 if (!ads_pull_uint32(ads
, msg
, "primaryGroupID", &group_rid
)) {
562 DEBUG(1,("No primary group for %s !?\n",
563 sid_string_dbg(sid
)));
567 sid_copy(&info
->user_sid
, sid
);
568 sid_compose(&info
->group_sid
, &domain
->sid
, group_rid
);
570 status
= NT_STATUS_OK
;
572 DEBUG(3,("ads query_user gave %s\n", info
->acct_name
));
575 ads_msgfree(ads
, msg
);
580 /* Lookup groups a user is a member of - alternate method, for when
581 tokenGroups are not available. */
582 static NTSTATUS
lookup_usergroups_member(struct winbindd_domain
*domain
,
585 DOM_SID
*primary_group
,
586 size_t *p_num_groups
, DOM_SID
**user_sids
)
589 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
591 LDAPMessage
*res
= NULL
;
592 LDAPMessage
*msg
= NULL
;
595 const char *group_attrs
[] = {"objectSid", NULL
};
597 size_t num_groups
= 0;
599 DEBUG(3,("ads: lookup_usergroups_member\n"));
601 if ( !winbindd_can_contact_domain( domain
) ) {
602 DEBUG(10,("lookup_usergroups_members: No incoming trust for domain %s\n",
607 ads
= ads_cached_connection(domain
);
610 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
614 if (!(escaped_dn
= escape_ldap_string(talloc_tos(), user_dn
))) {
615 status
= NT_STATUS_NO_MEMORY
;
619 ldap_exp
= talloc_asprintf(mem_ctx
,
620 "(&(member=%s)(objectCategory=group)(groupType:dn:%s:=%d))",
622 ADS_LDAP_MATCHING_RULE_BIT_AND
,
623 GROUP_TYPE_SECURITY_ENABLED
);
625 DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn
));
626 TALLOC_FREE(escaped_dn
);
627 status
= NT_STATUS_NO_MEMORY
;
631 TALLOC_FREE(escaped_dn
);
633 rc
= ads_search_retry(ads
, &res
, ldap_exp
, group_attrs
);
635 if (!ADS_ERR_OK(rc
) || !res
) {
636 DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn
, ads_errstr(rc
)));
637 return ads_ntstatus(rc
);
640 count
= ads_count_replies(ads
, res
);
645 /* always add the primary group to the sid array */
646 status
= add_sid_to_array(mem_ctx
, primary_group
, user_sids
,
648 if (!NT_STATUS_IS_OK(status
)) {
653 for (msg
= ads_first_entry(ads
, res
); msg
;
654 msg
= ads_next_entry(ads
, msg
)) {
657 if (!ads_pull_sid(ads
, msg
, "objectSid", &group_sid
)) {
658 DEBUG(1,("No sid for this group ?!?\n"));
662 /* ignore Builtin groups from ADS - Guenther */
663 if (sid_check_is_in_builtin(&group_sid
)) {
667 status
= add_sid_to_array(mem_ctx
, &group_sid
,
668 user_sids
, &num_groups
);
669 if (!NT_STATUS_IS_OK(status
)) {
676 *p_num_groups
= num_groups
;
677 status
= (user_sids
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
679 DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn
));
682 ads_msgfree(ads
, res
);
687 /* Lookup groups a user is a member of - alternate method, for when
688 tokenGroups are not available. */
689 static NTSTATUS
lookup_usergroups_memberof(struct winbindd_domain
*domain
,
692 DOM_SID
*primary_group
,
693 size_t *p_num_groups
,
697 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
699 const char *attrs
[] = {"memberOf", NULL
};
700 size_t num_groups
= 0;
701 DOM_SID
*group_sids
= NULL
;
703 char **strings
= NULL
;
704 size_t num_strings
= 0, num_sids
= 0;
707 DEBUG(3,("ads: lookup_usergroups_memberof\n"));
709 if ( !winbindd_can_contact_domain( domain
) ) {
710 DEBUG(10,("lookup_usergroups_memberof: No incoming trust for "
711 "domain %s\n", domain
->name
));
715 ads
= ads_cached_connection(domain
);
718 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
719 return NT_STATUS_UNSUCCESSFUL
;
722 rc
= ads_search_retry_extended_dn_ranged(ads
, mem_ctx
, user_dn
, attrs
,
723 ADS_EXTENDED_DN_HEX_STRING
,
724 &strings
, &num_strings
);
726 if (!ADS_ERR_OK(rc
)) {
727 DEBUG(1,("lookup_usergroups_memberof ads_search "
728 "member=%s: %s\n", user_dn
, ads_errstr(rc
)));
729 return ads_ntstatus(rc
);
735 /* always add the primary group to the sid array */
736 status
= add_sid_to_array(mem_ctx
, primary_group
, user_sids
,
738 if (!NT_STATUS_IS_OK(status
)) {
742 group_sids
= TALLOC_ZERO_ARRAY(mem_ctx
, DOM_SID
, num_strings
+ 1);
744 status
= NT_STATUS_NO_MEMORY
;
748 for (i
=0; i
<num_strings
; i
++) {
749 rc
= ads_get_sid_from_extended_dn(mem_ctx
, strings
[i
],
750 ADS_EXTENDED_DN_HEX_STRING
,
752 if (!ADS_ERR_OK(rc
)) {
753 /* ignore members without SIDs */
754 if (NT_STATUS_EQUAL(ads_ntstatus(rc
),
755 NT_STATUS_NOT_FOUND
)) {
759 status
= ads_ntstatus(rc
);
767 DEBUG(1,("No memberOf for this user?!?\n"));
768 status
= NT_STATUS_NO_MEMORY
;
772 for (i
=0; i
<num_sids
; i
++) {
774 /* ignore Builtin groups from ADS - Guenther */
775 if (sid_check_is_in_builtin(&group_sids
[i
])) {
779 status
= add_sid_to_array(mem_ctx
, &group_sids
[i
], user_sids
,
781 if (!NT_STATUS_IS_OK(status
)) {
787 *p_num_groups
= num_groups
;
788 status
= (*user_sids
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
790 DEBUG(3,("ads lookup_usergroups (memberof) succeeded for dn=%s\n",
794 TALLOC_FREE(strings
);
795 TALLOC_FREE(group_sids
);
801 /* Lookup groups a user is a member of. */
802 static NTSTATUS
lookup_usergroups(struct winbindd_domain
*domain
,
805 uint32
*p_num_groups
, DOM_SID
**user_sids
)
807 ADS_STRUCT
*ads
= NULL
;
808 const char *attrs
[] = {"tokenGroups", "primaryGroupID", NULL
};
811 LDAPMessage
*msg
= NULL
;
812 char *user_dn
= NULL
;
815 DOM_SID primary_group
;
816 uint32 primary_group_rid
;
817 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
818 size_t num_groups
= 0;
820 DEBUG(3,("ads: lookup_usergroups\n"));
823 status
= lookup_usergroups_cached(domain
, mem_ctx
, sid
,
824 p_num_groups
, user_sids
);
825 if (NT_STATUS_IS_OK(status
)) {
829 if ( !winbindd_can_contact_domain( domain
) ) {
830 DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
833 /* Tell the cache manager not to remember this one */
835 return NT_STATUS_SYNCHRONIZATION_REQUIRED
;
838 ads
= ads_cached_connection(domain
);
841 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
842 status
= NT_STATUS_SERVER_DISABLED
;
846 rc
= ads_search_retry_sid(ads
, &msg
, sid
, attrs
);
848 if (!ADS_ERR_OK(rc
)) {
849 status
= ads_ntstatus(rc
);
850 DEBUG(1, ("lookup_usergroups(sid=%s) ads_search tokenGroups: "
851 "%s\n", sid_string_dbg(sid
), ads_errstr(rc
)));
855 count
= ads_count_replies(ads
, msg
);
857 status
= NT_STATUS_UNSUCCESSFUL
;
858 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: "
859 "invalid number of results (count=%d)\n",
860 sid_string_dbg(sid
), count
));
865 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
866 sid_string_dbg(sid
)));
867 status
= NT_STATUS_UNSUCCESSFUL
;
871 user_dn
= ads_get_dn(ads
, mem_ctx
, msg
);
872 if (user_dn
== NULL
) {
873 status
= NT_STATUS_NO_MEMORY
;
877 if (!ads_pull_uint32(ads
, msg
, "primaryGroupID", &primary_group_rid
)) {
878 DEBUG(1,("%s: No primary group for sid=%s !?\n",
879 domain
->name
, sid_string_dbg(sid
)));
883 sid_compose(&primary_group
, &domain
->sid
, primary_group_rid
);
885 count
= ads_pull_sids(ads
, mem_ctx
, msg
, "tokenGroups", &sids
);
887 /* there must always be at least one group in the token,
888 unless we are talking to a buggy Win2k server */
890 /* actually this only happens when the machine account has no read
891 * permissions on the tokenGroup attribute - gd */
897 /* lookup what groups this user is a member of by DN search on
900 status
= lookup_usergroups_memberof(domain
, mem_ctx
, user_dn
,
902 &num_groups
, user_sids
);
903 *p_num_groups
= (uint32
)num_groups
;
904 if (NT_STATUS_IS_OK(status
)) {
908 /* lookup what groups this user is a member of by DN search on
911 status
= lookup_usergroups_member(domain
, mem_ctx
, user_dn
,
913 &num_groups
, user_sids
);
914 *p_num_groups
= (uint32
)num_groups
;
921 status
= add_sid_to_array(mem_ctx
, &primary_group
, user_sids
,
923 if (!NT_STATUS_IS_OK(status
)) {
927 for (i
=0;i
<count
;i
++) {
929 /* ignore Builtin groups from ADS - Guenther */
930 if (sid_check_is_in_builtin(&sids
[i
])) {
934 status
= add_sid_to_array_unique(mem_ctx
, &sids
[i
],
935 user_sids
, &num_groups
);
936 if (!NT_STATUS_IS_OK(status
)) {
941 *p_num_groups
= (uint32
)num_groups
;
942 status
= (*user_sids
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
944 DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
945 sid_string_dbg(sid
)));
947 TALLOC_FREE(user_dn
);
948 ads_msgfree(ads
, msg
);
952 /* Lookup aliases a user is member of - use rpc methods */
953 static NTSTATUS
lookup_useraliases(struct winbindd_domain
*domain
,
955 uint32 num_sids
, const DOM_SID
*sids
,
956 uint32
*num_aliases
, uint32
**alias_rids
)
958 return reconnect_methods
.lookup_useraliases(domain
, mem_ctx
,
965 find the members of a group, given a group rid and domain
967 static NTSTATUS
lookup_groupmem(struct winbindd_domain
*domain
,
969 const DOM_SID
*group_sid
,
970 enum lsa_SidType type
,
972 DOM_SID
**sid_mem
, char ***names
,
976 ADS_STRUCT
*ads
= NULL
;
978 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
980 char **members
= NULL
;
982 size_t num_members
= 0;
984 DOM_SID
*sid_mem_nocache
= NULL
;
985 char **names_nocache
= NULL
;
986 enum lsa_SidType
*name_types_nocache
= NULL
;
987 char **domains_nocache
= NULL
; /* only needed for rpccli_lsa_lookup_sids */
988 uint32 num_nocache
= 0;
989 TALLOC_CTX
*tmp_ctx
= NULL
;
991 DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain
->name
,
992 sid_string_dbg(group_sid
)));
996 tmp_ctx
= talloc_new(mem_ctx
);
998 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
999 status
= NT_STATUS_NO_MEMORY
;
1003 if ( !winbindd_can_contact_domain( domain
) ) {
1004 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
1006 return NT_STATUS_OK
;
1009 ads
= ads_cached_connection(domain
);
1012 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
1016 if ((sidbinstr
= sid_binstring(talloc_tos(), group_sid
)) == NULL
) {
1017 status
= NT_STATUS_NO_MEMORY
;
1021 /* search for all members of the group */
1022 ldap_exp
= talloc_asprintf(tmp_ctx
, "(objectSid=%s)", sidbinstr
);
1023 TALLOC_FREE(sidbinstr
);
1024 if (ldap_exp
== NULL
) {
1025 DEBUG(1, ("ads: lookup_groupmem: talloc_asprintf for ldap_exp failed!\n"));
1026 status
= NT_STATUS_NO_MEMORY
;
1030 args
.control
= ADS_EXTENDED_DN_OID
;
1031 args
.val
= ADS_EXTENDED_DN_HEX_STRING
;
1032 args
.critical
= True
;
1034 rc
= ads_ranged_search(ads
, tmp_ctx
, LDAP_SCOPE_SUBTREE
, ads
->config
.bind_path
,
1035 ldap_exp
, &args
, "member", &members
, &num_members
);
1037 if (!ADS_ERR_OK(rc
)) {
1038 DEBUG(0,("ads_ranged_search failed with: %s\n", ads_errstr(rc
)));
1039 status
= NT_STATUS_UNSUCCESSFUL
;
1043 DEBUG(10, ("ads lookup_groupmem: got %d sids via extended dn call\n", (int)num_members
));
1045 /* Now that we have a list of sids, we need to get the
1046 * lists of names and name_types belonging to these sids.
1047 * even though conceptually not quite clean, we use the
1048 * RPC call lsa_lookup_sids for this since it can handle a
1049 * list of sids. ldap calls can just resolve one sid at a time.
1051 * At this stage, the sids are still hidden in the exetended dn
1052 * member output format. We actually do a little better than
1053 * stated above: In extracting the sids from the member strings,
1054 * we try to resolve as many sids as possible from the
1055 * cache. Only the rest is passed to the lsa_lookup_sids call. */
1058 (*sid_mem
) = TALLOC_ZERO_ARRAY(mem_ctx
, DOM_SID
, num_members
);
1059 (*names
) = TALLOC_ZERO_ARRAY(mem_ctx
, char *, num_members
);
1060 (*name_types
) = TALLOC_ZERO_ARRAY(mem_ctx
, uint32
, num_members
);
1061 (sid_mem_nocache
) = TALLOC_ZERO_ARRAY(tmp_ctx
, DOM_SID
, num_members
);
1063 if ((members
== NULL
) || (*sid_mem
== NULL
) ||
1064 (*names
== NULL
) || (*name_types
== NULL
) ||
1065 (sid_mem_nocache
== NULL
))
1067 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
1068 status
= NT_STATUS_NO_MEMORY
;
1075 (*name_types
) = NULL
;
1078 for (i
=0; i
<num_members
; i
++) {
1079 enum lsa_SidType name_type
;
1080 char *name
, *domain_name
;
1083 rc
= ads_get_sid_from_extended_dn(tmp_ctx
, members
[i
], args
.val
,
1085 if (!ADS_ERR_OK(rc
)) {
1086 if (NT_STATUS_EQUAL(ads_ntstatus(rc
),
1087 NT_STATUS_NOT_FOUND
)) {
1088 /* Group members can be objects, like Exchange
1089 * Public Folders, that don't have a SID. Skip
1094 status
= ads_ntstatus(rc
);
1098 if (lookup_cached_sid(mem_ctx
, &sid
, &domain_name
, &name
,
1100 DEBUG(10,("ads: lookup_groupmem: got sid %s from "
1101 "cache\n", sid_string_dbg(&sid
)));
1102 sid_copy(&(*sid_mem
)[*num_names
], &sid
);
1103 (*names
)[*num_names
] = fill_domain_username_talloc(
1109 (*name_types
)[*num_names
] = name_type
;
1113 DEBUG(10, ("ads: lookup_groupmem: sid %s not found in "
1114 "cache\n", sid_string_dbg(&sid
)));
1115 sid_copy(&(sid_mem_nocache
)[num_nocache
], &sid
);
1120 DEBUG(10, ("ads: lookup_groupmem: %d sids found in cache, "
1121 "%d left for lsa_lookupsids\n", *num_names
, num_nocache
));
1123 /* handle sids not resolved from cache by lsa_lookup_sids */
1124 if (num_nocache
> 0) {
1126 status
= winbindd_lookup_sids(tmp_ctx
,
1132 &name_types_nocache
);
1134 if (!(NT_STATUS_IS_OK(status
) ||
1135 NT_STATUS_EQUAL(status
, STATUS_SOME_UNMAPPED
) ||
1136 NT_STATUS_EQUAL(status
, NT_STATUS_NONE_MAPPED
)))
1138 DEBUG(1, ("lsa_lookupsids call failed with %s "
1139 "- retrying...\n", nt_errstr(status
)));
1141 status
= winbindd_lookup_sids(tmp_ctx
,
1147 &name_types_nocache
);
1150 if (NT_STATUS_IS_OK(status
) ||
1151 NT_STATUS_EQUAL(status
, STATUS_SOME_UNMAPPED
))
1153 /* Copy the entries over from the "_nocache" arrays
1154 * to the result arrays, skipping the gaps the
1155 * lookup_sids call left. */
1156 for (i
=0; i
< num_nocache
; i
++) {
1157 if (((names_nocache
)[i
] != NULL
) &&
1158 ((name_types_nocache
)[i
] != SID_NAME_UNKNOWN
))
1160 sid_copy(&(*sid_mem
)[*num_names
],
1161 &sid_mem_nocache
[i
]);
1162 (*names
)[*num_names
] =
1163 fill_domain_username_talloc(
1168 (*name_types
)[*num_names
] = name_types_nocache
[i
];
1173 else if (NT_STATUS_EQUAL(status
, NT_STATUS_NONE_MAPPED
)) {
1174 DEBUG(10, ("lookup_groupmem: lsa_lookup_sids could "
1175 "not map any SIDs at all.\n"));
1176 /* Don't handle this as an error here.
1177 * There is nothing left to do with respect to the
1178 * overall result... */
1180 else if (!NT_STATUS_IS_OK(status
)) {
1181 DEBUG(10, ("lookup_groupmem: Error looking up %d "
1182 "sids via rpc_lsa_lookup_sids: %s\n",
1183 (int)num_members
, nt_errstr(status
)));
1188 status
= NT_STATUS_OK
;
1189 DEBUG(3,("ads lookup_groupmem for sid=%s succeeded\n",
1190 sid_string_dbg(group_sid
)));
1194 TALLOC_FREE(tmp_ctx
);
1199 /* find the sequence number for a domain */
1200 static NTSTATUS
sequence_number(struct winbindd_domain
*domain
, uint32
*seq
)
1202 ADS_STRUCT
*ads
= NULL
;
1205 DEBUG(3,("ads: fetch sequence_number for %s\n", domain
->name
));
1207 if ( !winbindd_can_contact_domain( domain
) ) {
1208 DEBUG(10,("sequence: No incoming trust for domain %s\n",
1211 return NT_STATUS_OK
;
1214 *seq
= DOM_SEQUENCE_NONE
;
1216 ads
= ads_cached_connection(domain
);
1219 domain
->last_status
= NT_STATUS_SERVER_DISABLED
;
1220 return NT_STATUS_UNSUCCESSFUL
;
1223 rc
= ads_USN(ads
, seq
);
1225 if (!ADS_ERR_OK(rc
)) {
1227 /* its a dead connection, destroy it */
1229 if (domain
->private_data
) {
1230 ads
= (ADS_STRUCT
*)domain
->private_data
;
1231 ads
->is_mine
= True
;
1233 ads_kdestroy("MEMORY:winbind_ccache");
1234 domain
->private_data
= NULL
;
1237 return ads_ntstatus(rc
);
1240 /* find the lockout policy of a domain - use rpc methods */
1241 static NTSTATUS
lockout_policy(struct winbindd_domain
*domain
,
1242 TALLOC_CTX
*mem_ctx
,
1243 struct samr_DomInfo12
*policy
)
1245 return reconnect_methods
.lockout_policy(domain
, mem_ctx
, policy
);
1248 /* find the password policy of a domain - use rpc methods */
1249 static NTSTATUS
password_policy(struct winbindd_domain
*domain
,
1250 TALLOC_CTX
*mem_ctx
,
1251 struct samr_DomInfo1
*policy
)
1253 return reconnect_methods
.password_policy(domain
, mem_ctx
, policy
);
1256 /* get a list of trusted domains */
1257 static NTSTATUS
trusted_domains(struct winbindd_domain
*domain
,
1258 TALLOC_CTX
*mem_ctx
,
1259 struct netr_DomainTrustList
*trusts
)
1261 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
1264 struct rpc_pipe_client
*cli
;
1267 DEBUG(3,("ads: trusted_domains\n"));
1269 ZERO_STRUCTP(trusts
);
1271 /* If this is our primary domain or a root in our forest,
1272 query for all trusts. If not, then just look for domain
1273 trusts in the target forest */
1275 if (domain
->primary
|| domain_is_forest_root(domain
)) {
1276 flags
= NETR_TRUST_FLAG_OUTBOUND
|
1277 NETR_TRUST_FLAG_INBOUND
|
1278 NETR_TRUST_FLAG_IN_FOREST
;
1280 flags
= NETR_TRUST_FLAG_IN_FOREST
;
1283 result
= cm_connect_netlogon(domain
, &cli
);
1285 if (!NT_STATUS_IS_OK(result
)) {
1286 DEBUG(5, ("trusted_domains: Could not open a connection to %s "
1287 "for PIPE_NETLOGON (%s)\n",
1288 domain
->name
, nt_errstr(result
)));
1289 return NT_STATUS_UNSUCCESSFUL
;
1292 result
= rpccli_netr_DsrEnumerateDomainTrusts(cli
, mem_ctx
,
1297 if (!NT_STATUS_IS_OK(result
)) {
1300 if (trusts
->count
== 0) {
1301 return NT_STATUS_OK
;
1304 /* Copy across names and sids */
1307 for (i
= 0; i
< trusts
->count
; i
++) {
1308 struct netr_DomainTrust
*trust
= &trusts
->array
[i
];
1309 struct winbindd_domain d
;
1314 * drop external trusts if this is not our primary
1315 * domain. This means that the returned number of
1316 * domains may be less that the ones actually trusted
1320 if ((trust
->trust_attributes
1321 == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN
) &&
1324 DEBUG(10,("trusted_domains: Skipping external trusted "
1325 "domain %s because it is outside of our "
1327 trust
->netbios_name
));
1331 /* add to the trusted domain cache */
1333 fstrcpy(d
.name
, trust
->netbios_name
);
1334 fstrcpy(d
.alt_name
, trust
->dns_name
);
1336 sid_copy(&d
.sid
, trust
->sid
);
1338 sid_copy(&d
.sid
, &global_sid_NULL
);
1341 if ( domain
->primary
) {
1342 DEBUG(10,("trusted_domains(ads): Searching "
1343 "trusted domain list of %s and storing "
1344 "trust flags for domain %s\n",
1345 domain
->name
, d
.alt_name
));
1347 d
.domain_flags
= trust
->trust_flags
;
1348 d
.domain_type
= trust
->trust_type
;
1349 d
.domain_trust_attribs
= trust
->trust_attributes
;
1351 wcache_tdc_add_domain( &d
);
1353 } else if (domain_is_forest_root(domain
)) {
1354 /* Check if we already have this record. If
1355 * we are following our forest root that is not
1356 * our primary domain, we want to keep trust
1357 * flags from the perspective of our primary
1358 * domain not our forest root. */
1359 struct winbindd_tdc_domain
*exist
= NULL
;
1361 exist
= wcache_tdc_fetch_domain(
1362 talloc_tos(), trust
->netbios_name
);
1364 DEBUG(10,("trusted_domains(ads): Searching "
1365 "trusted domain list of %s and "
1366 "storing trust flags for domain "
1367 "%s\n", domain
->name
, d
.alt_name
));
1368 d
.domain_flags
= trust
->trust_flags
;
1369 d
.domain_type
= trust
->trust_type
;
1370 d
.domain_trust_attribs
=
1371 trust
->trust_attributes
;
1373 wcache_tdc_add_domain( &d
);
1378 /* This gets a little tricky. If we are
1379 following a transitive forest trust, then
1380 innerit the flags, type, and attribs from
1381 the domain we queried to make sure we don't
1382 record the view of the trust from the wrong
1383 side. Always view it from the side of our
1384 primary domain. --jerry */
1385 struct winbindd_tdc_domain
*parent
= NULL
;
1387 DEBUG(10,("trusted_domains(ads): Searching "
1388 "trusted domain list of %s and inheriting "
1389 "trust flags for domain %s\n",
1390 domain
->name
, d
.alt_name
));
1392 parent
= wcache_tdc_fetch_domain(talloc_tos(),
1395 d
.domain_flags
= parent
->trust_flags
;
1396 d
.domain_type
= parent
->trust_type
;
1397 d
.domain_trust_attribs
= parent
->trust_attribs
;
1399 d
.domain_flags
= domain
->domain_flags
;
1400 d
.domain_type
= domain
->domain_type
;
1401 d
.domain_trust_attribs
=
1402 domain
->domain_trust_attribs
;
1404 TALLOC_FREE(parent
);
1406 wcache_tdc_add_domain( &d
);
1413 /* the ADS backend methods are exposed via this structure */
1414 struct winbindd_methods ads_methods
= {