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s3-winbindd_ads: prevent negative GM/ cache entries due to broken connections
[Samba/gebeck_regimport.git] / source3 / winbindd / winbindd_ads.c
blob94a24278eb0984234238eeff16b27eb292a479d1
1 /*
2 Unix SMB/CIFS implementation.
3
4 Winbind ADS backend functions
5
6 Copyright (C) Andrew Tridgell 2001
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
8 Copyright (C) Gerald (Jerry) Carter 2004
9
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.
14
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.
19
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/>.
22 */
23
24 #include "includes.h"
25 #include "winbindd.h"
26
27 #ifdef HAVE_ADS
28
29 #undef DBGC_CLASS
30 #define DBGC_CLASS DBGC_WINBIND
31
32 extern struct winbindd_methods reconnect_methods;
33
34 /*
35 return our ads connections structure for a domain. We keep the connection
36 open to make things faster
37 */
38 static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
39 {
40 ADS_STRUCT *ads;
41 ADS_STATUS status;
42 fstring dc_name;
43 struct sockaddr_storage dc_ss;
44
45 DEBUG(10,("ads_cached_connection\n"));
46
47 if (domain->private_data) {
48
49 time_t expire;
50 time_t now = time(NULL);
51
52 /* check for a valid structure */
53 ads = (ADS_STRUCT *)domain->private_data;
54
55 expire = MIN(ads->auth.tgt_expire, ads->auth.tgs_expire);
56
57 DEBUG(7, ("Current tickets expire in %d seconds (at %d, time is now %d)\n",
58 (uint32)expire-(uint32)now, (uint32) expire, (uint32) now));
59
60 if ( ads->config.realm && (expire > now)) {
61 return ads;
62 } else {
63 /* we own this ADS_STRUCT so make sure it goes away */
64 DEBUG(7,("Deleting expired krb5 credential cache\n"));
65 ads->is_mine = True;
66 ads_destroy( &ads );
67 ads_kdestroy("MEMORY:winbind_ccache");
68 domain->private_data = NULL;
69 }
70 }
71
72 /* we don't want this to affect the users ccache */
73 setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1);
74
75 ads = ads_init(domain->alt_name, domain->name, NULL);
76 if (!ads) {
77 DEBUG(1,("ads_init for domain %s failed\n", domain->name));
78 return NULL;
79 }
80
81 /* the machine acct password might have change - fetch it every time */
82
83 SAFE_FREE(ads->auth.password);
84 SAFE_FREE(ads->auth.realm);
85
86 if ( IS_DC ) {
87 DOM_SID sid;
88 time_t last_set_time;
89
90 if ( !pdb_get_trusteddom_pw( domain->name, &ads->auth.password, &sid, &last_set_time ) ) {
91 ads_destroy( &ads );
92 return NULL;
93 }
94 ads->auth.realm = SMB_STRDUP( ads->server.realm );
95 strupper_m( ads->auth.realm );
96 }
97 else {
98 struct winbindd_domain *our_domain = domain;
99
100 ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
101
102 /* always give preference to the alt_name in our
103 primary domain if possible */
104
105 if ( !domain->primary )
106 our_domain = find_our_domain();
107
108 if ( our_domain->alt_name[0] != '\0' ) {
109 ads->auth.realm = SMB_STRDUP( our_domain->alt_name );
110 strupper_m( ads->auth.realm );
111 }
112 else
113 ads->auth.realm = SMB_STRDUP( lp_realm() );
114 }
115
116 ads->auth.renewable = WINBINDD_PAM_AUTH_KRB5_RENEW_TIME;
117
118 /* Setup the server affinity cache. We don't reaally care
119 about the name. Just setup affinity and the KRB5_CONFIG
120 file. */
121
122 get_dc_name( ads->server.workgroup, ads->server.realm, dc_name, &dc_ss );
123
124 status = ads_connect(ads);
125 if (!ADS_ERR_OK(status) || !ads->config.realm) {
126 DEBUG(1,("ads_connect for domain %s failed: %s\n",
127 domain->name, ads_errstr(status)));
128 ads_destroy(&ads);
129
130 /* if we get ECONNREFUSED then it might be a NT4
131 server, fall back to MSRPC */
132 if (status.error_type == ENUM_ADS_ERROR_SYSTEM &&
133 status.err.rc == ECONNREFUSED) {
134 /* 'reconnect_methods' is the MS-RPC backend. */
135 DEBUG(1,("Trying MSRPC methods\n"));
136 domain->backend = &reconnect_methods;
137 }
138 return NULL;
139 }
140
141 /* set the flag that says we don't own the memory even
142 though we do so that ads_destroy() won't destroy the
143 structure we pass back by reference */
144
145 ads->is_mine = False;
146
147 domain->private_data = (void *)ads;
148 return ads;
149 }
150
151
152 /* Query display info for a realm. This is the basic user list fn */
153 static NTSTATUS query_user_list(struct winbindd_domain *domain,
154 TALLOC_CTX *mem_ctx,
155 uint32 *num_entries,
156 WINBIND_USERINFO **info)
157 {
158 ADS_STRUCT *ads = NULL;
159 const char *attrs[] = { "*", NULL };
160 int i, count;
161 ADS_STATUS rc;
162 LDAPMessage *res = NULL;
163 LDAPMessage *msg = NULL;
164 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
165
166 *num_entries = 0;
167
168 DEBUG(3,("ads: query_user_list\n"));
169
170 if ( !winbindd_can_contact_domain( domain ) ) {
171 DEBUG(10,("query_user_list: No incoming trust for domain %s\n",
172 domain->name));
173 return NT_STATUS_OK;
174 }
175
176 ads = ads_cached_connection(domain);
177
178 if (!ads) {
179 domain->last_status = NT_STATUS_SERVER_DISABLED;
180 goto done;
181 }
182
183 rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs);
184 if (!ADS_ERR_OK(rc) || !res) {
185 DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
186 goto done;
187 }
188
189 count = ads_count_replies(ads, res);
190 if (count == 0) {
191 DEBUG(1,("query_user_list: No users found\n"));
192 goto done;
193 }
194
195 (*info) = TALLOC_ZERO_ARRAY(mem_ctx, WINBIND_USERINFO, count);
196 if (!*info) {
197 status = NT_STATUS_NO_MEMORY;
198 goto done;
199 }
200
201 i = 0;
202
203 for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
204 char *name, *gecos = NULL;
205 char *homedir = NULL;
206 char *shell = NULL;
207 uint32 group;
208 uint32 atype;
209 DOM_SID user_sid;
210 gid_t primary_gid = (gid_t)-1;
211
212 if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype) ||
213 ads_atype_map(atype) != SID_NAME_USER) {
214 DEBUG(1,("Not a user account? atype=0x%x\n", atype));
215 continue;
216 }
217
218 name = ads_pull_username(ads, mem_ctx, msg);
219
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,
223 &primary_gid );
224 }
225
226 if (gecos == NULL) {
227 gecos = ads_pull_string(ads, mem_ctx, msg, "name");
228 }
229
230 if (!ads_pull_sid(ads, msg, "objectSid",
231 &(*info)[i].user_sid)) {
232 DEBUG(1,("No sid for %s !?\n", name));
233 continue;
234 }
235 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group)) {
236 DEBUG(1,("No primary group for %s !?\n", name));
237 continue;
238 }
239
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);
246 i++;
247 }
248
249 (*num_entries) = i;
250 status = NT_STATUS_OK;
251
252 DEBUG(3,("ads query_user_list gave %d entries\n", (*num_entries)));
253
254 done:
255 if (res)
256 ads_msgfree(ads, res);
257
258 return status;
259 }
260
261 /* list all domain groups */
262 static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
263 TALLOC_CTX *mem_ctx,
264 uint32 *num_entries,
265 struct acct_info **info)
266 {
267 ADS_STRUCT *ads = NULL;
268 const char *attrs[] = {"userPrincipalName", "sAMAccountName",
269 "name", "objectSid", NULL};
270 int i, count;
271 ADS_STATUS rc;
272 LDAPMessage *res = NULL;
273 LDAPMessage *msg = NULL;
274 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
275 const char *filter;
276 bool enum_dom_local_groups = False;
277
278 *num_entries = 0;
279
280 DEBUG(3,("ads: enum_dom_groups\n"));
281
282 if ( !winbindd_can_contact_domain( domain ) ) {
283 DEBUG(10,("enum_dom_groups: No incoming trust for domain %s\n",
284 domain->name));
285 return NT_STATUS_OK;
286 }
287
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;
291 }
292
293 /* Workaround ADS LDAP bug present in MS W2K3 SP0 and W2K SP4 w/o
294 * rollup-fixes:
295 *
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
299 * when set to TRUE.
300 *
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.
307 *
308 * Thanks to Ralf Haferkamp for input and testing - Guenther */
309
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);
314
315 if (filter == NULL) {
316 status = NT_STATUS_NO_MEMORY;
317 goto done;
318 }
319
320 ads = ads_cached_connection(domain);
321
322 if (!ads) {
323 domain->last_status = NT_STATUS_SERVER_DISABLED;
324 goto done;
325 }
326
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)));
330 goto done;
331 }
332
333 count = ads_count_replies(ads, res);
334 if (count == 0) {
335 DEBUG(1,("enum_dom_groups: No groups found\n"));
336 goto done;
337 }
338
339 (*info) = TALLOC_ZERO_ARRAY(mem_ctx, struct acct_info, count);
340 if (!*info) {
341 status = NT_STATUS_NO_MEMORY;
342 goto done;
343 }
344
345 i = 0;
346
347 for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
348 char *name, *gecos;
349 DOM_SID sid;
350 uint32 rid;
351
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));
356 continue;
357 }
358
359 if (!sid_peek_check_rid(&domain->sid, &sid, &rid)) {
360 DEBUG(1,("No rid for %s !?\n", name));
361 continue;
362 }
363
364 fstrcpy((*info)[i].acct_name, name);
365 fstrcpy((*info)[i].acct_desc, gecos);
366 (*info)[i].rid = rid;
367 i++;
368 }
369
370 (*num_entries) = i;
371
372 status = NT_STATUS_OK;
373
374 DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries)));
375
376 done:
377 if (res)
378 ads_msgfree(ads, res);
379
380 return status;
381 }
382
383 /* list all domain local groups */
384 static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
385 TALLOC_CTX *mem_ctx,
386 uint32 *num_entries,
387 struct acct_info **info)
388 {
389 /*
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
393 * using LDAP.
394 *
395 * if we ever need to enumerate domain local groups separately,
396 * then this optimization in enum_dom_groups() will need
397 * to be split out
398 */
399 *num_entries = 0;
400
401 return NT_STATUS_OK;
402 }
403
404 /* If you are looking for "dn_lookup": Yes, it used to be here!
405 * It has gone now since it was a major speed bottleneck in
406 * lookup_groupmem (its only use). It has been replaced by
407 * an rpc lookup sids call... R.I.P. */
408
409 /* Lookup user information from a rid */
410 static NTSTATUS query_user(struct winbindd_domain *domain,
411 TALLOC_CTX *mem_ctx,
412 const DOM_SID *sid,
413 WINBIND_USERINFO *info)
414 {
415 ADS_STRUCT *ads = NULL;
416 const char *attrs[] = { "*", NULL };
417 ADS_STATUS rc;
418 int count;
419 LDAPMessage *msg = NULL;
420 char *ldap_exp;
421 char *sidstr;
422 uint32 group_rid;
423 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
424 struct netr_SamInfo3 *user = NULL;
425
426 DEBUG(3,("ads: query_user\n"));
427
428 info->homedir = NULL;
429 info->shell = NULL;
430 info->primary_gid = (gid_t)-1;
431
432 /* try netsamlogon cache first */
433
434 if ( (user = netsamlogon_cache_get( mem_ctx, sid )) != NULL )
435 {
436
437 DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
438 sid_string_dbg(sid)));
439
440 sid_compose(&info->user_sid, &domain->sid, user->base.rid);
441 sid_compose(&info->group_sid, &domain->sid, user->base.primary_gid);
442
443 info->acct_name = talloc_strdup(mem_ctx, user->base.account_name.string);
444 info->full_name = talloc_strdup(mem_ctx, user->base.full_name.string);
445
446 nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
447 &info->homedir, &info->shell, &info->full_name,
448 &info->primary_gid );
449
450 TALLOC_FREE(user);
451
452 return NT_STATUS_OK;
453 }
454
455 if ( !winbindd_can_contact_domain(domain)) {
456 DEBUG(8,("query_user: No incoming trust from domain %s\n",
457 domain->name));
458
459 /* We still need to generate some basic information
460 about the user even if we cannot contact the
461 domain. Most of this stuff we can deduce. */
462
463 sid_copy( &info->user_sid, sid );
464
465 /* Assume "Domain Users" for the primary group */
466
467 sid_compose(&info->group_sid, &domain->sid, DOMAIN_GROUP_RID_USERS );
468
469 /* Try to fill in what the nss_info backend can do */
470
471 nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
472 &info->homedir, &info->shell, &info->full_name,
473 &info->primary_gid );
474
475 status = NT_STATUS_OK;
476 goto done;
477 }
478
479 /* no cache...do the query */
480
481 if ( (ads = ads_cached_connection(domain)) == NULL ) {
482 domain->last_status = NT_STATUS_SERVER_DISABLED;
483 goto done;
484 }
485
486 sidstr = sid_binstring(sid);
487 asprintf(&ldap_exp, "(objectSid=%s)", sidstr);
488 rc = ads_search_retry(ads, &msg, ldap_exp, attrs);
489 free(ldap_exp);
490 free(sidstr);
491 if (!ADS_ERR_OK(rc) || !msg) {
492 DEBUG(1,("query_user(sid=%s) ads_search: %s\n",
493 sid_string_dbg(sid), ads_errstr(rc)));
494 goto done;
495 }
496
497 count = ads_count_replies(ads, msg);
498 if (count != 1) {
499 DEBUG(1,("query_user(sid=%s): Not found\n",
500 sid_string_dbg(sid)));
501 goto done;
502 }
503
504 info->acct_name = ads_pull_username(ads, mem_ctx, msg);
505
506 nss_get_info_cached( domain, sid, mem_ctx, ads, msg,
507 &info->homedir, &info->shell, &info->full_name,
508 &info->primary_gid );
509
510 if (info->full_name == NULL) {
511 info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
512 }
513
514 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group_rid)) {
515 DEBUG(1,("No primary group for %s !?\n",
516 sid_string_dbg(sid)));
517 goto done;
518 }
519
520 sid_copy(&info->user_sid, sid);
521 sid_compose(&info->group_sid, &domain->sid, group_rid);
522
523 status = NT_STATUS_OK;
524
525 DEBUG(3,("ads query_user gave %s\n", info->acct_name));
526 done:
527 if (msg)
528 ads_msgfree(ads, msg);
529
530 return status;
531 }
532
533 /* Lookup groups a user is a member of - alternate method, for when
534 tokenGroups are not available. */
535 static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
536 TALLOC_CTX *mem_ctx,
537 const char *user_dn,
538 DOM_SID *primary_group,
539 size_t *p_num_groups, DOM_SID **user_sids)
540 {
541 ADS_STATUS rc;
542 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
543 int count;
544 LDAPMessage *res = NULL;
545 LDAPMessage *msg = NULL;
546 char *ldap_exp;
547 ADS_STRUCT *ads;
548 const char *group_attrs[] = {"objectSid", NULL};
549 char *escaped_dn;
550 size_t num_groups = 0;
551
552 DEBUG(3,("ads: lookup_usergroups_member\n"));
553
554 if ( !winbindd_can_contact_domain( domain ) ) {
555 DEBUG(10,("lookup_usergroups_members: No incoming trust for domain %s\n",
556 domain->name));
557 return NT_STATUS_OK;
558 }
559
560 ads = ads_cached_connection(domain);
561
562 if (!ads) {
563 domain->last_status = NT_STATUS_SERVER_DISABLED;
564 goto done;
565 }
566
567 if (!(escaped_dn = escape_ldap_string_alloc(user_dn))) {
568 status = NT_STATUS_NO_MEMORY;
569 goto done;
570 }
571
572 ldap_exp = talloc_asprintf(mem_ctx,
573 "(&(member=%s)(objectCategory=group)(groupType:dn:%s:=%d))",
574 escaped_dn,
575 ADS_LDAP_MATCHING_RULE_BIT_AND,
576 GROUP_TYPE_SECURITY_ENABLED);
577 if (!ldap_exp) {
578 DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
579 SAFE_FREE(escaped_dn);
580 status = NT_STATUS_NO_MEMORY;
581 goto done;
582 }
583
584 SAFE_FREE(escaped_dn);
585
586 rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);
587
588 if (!ADS_ERR_OK(rc) || !res) {
589 DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc)));
590 return ads_ntstatus(rc);
591 }
592
593 count = ads_count_replies(ads, res);
594
595 *user_sids = NULL;
596 num_groups = 0;
597
598 /* always add the primary group to the sid array */
599 status = add_sid_to_array(mem_ctx, primary_group, user_sids,
600 &num_groups);
601 if (!NT_STATUS_IS_OK(status)) {
602 goto done;
603 }
604
605 if (count > 0) {
606 for (msg = ads_first_entry(ads, res); msg;
607 msg = ads_next_entry(ads, msg)) {
608 DOM_SID group_sid;
609
610 if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
611 DEBUG(1,("No sid for this group ?!?\n"));
612 continue;
613 }
614
615 /* ignore Builtin groups from ADS - Guenther */
616 if (sid_check_is_in_builtin(&group_sid)) {
617 continue;
618 }
619
620 status = add_sid_to_array(mem_ctx, &group_sid,
621 user_sids, &num_groups);
622 if (!NT_STATUS_IS_OK(status)) {
623 goto done;
624 }
625 }
626
627 }
628
629 *p_num_groups = num_groups;
630 status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
631
632 DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn));
633 done:
634 if (res)
635 ads_msgfree(ads, res);
636
637 return status;
638 }
639
640 /* Lookup groups a user is a member of - alternate method, for when
641 tokenGroups are not available. */
642 static NTSTATUS lookup_usergroups_memberof(struct winbindd_domain *domain,
643 TALLOC_CTX *mem_ctx,
644 const char *user_dn,
645 DOM_SID *primary_group,
646 size_t *p_num_groups,
647 DOM_SID **user_sids)
648 {
649 ADS_STATUS rc;
650 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
651 ADS_STRUCT *ads;
652 const char *attrs[] = {"memberOf", NULL};
653 size_t num_groups = 0;
654 DOM_SID *group_sids = NULL;
655 int i;
656 char **strings = NULL;
657 size_t num_strings = 0, num_sids = 0;
658
659
660 DEBUG(3,("ads: lookup_usergroups_memberof\n"));
661
662 if ( !winbindd_can_contact_domain( domain ) ) {
663 DEBUG(10,("lookup_usergroups_memberof: No incoming trust for "
664 "domain %s\n", domain->name));
665 return NT_STATUS_OK;
666 }
667
668 ads = ads_cached_connection(domain);
669
670 if (!ads) {
671 domain->last_status = NT_STATUS_SERVER_DISABLED;
672 return NT_STATUS_UNSUCCESSFUL;
673 }
674
675 rc = ads_search_retry_extended_dn_ranged(ads, mem_ctx, user_dn, attrs,
676 ADS_EXTENDED_DN_HEX_STRING,
677 &strings, &num_strings);
678
679 if (!ADS_ERR_OK(rc)) {
680 DEBUG(1,("lookup_usergroups_memberof ads_search "
681 "member=%s: %s\n", user_dn, ads_errstr(rc)));
682 return ads_ntstatus(rc);
683 }
684
685 *user_sids = NULL;
686 num_groups = 0;
687
688 /* always add the primary group to the sid array */
689 status = add_sid_to_array(mem_ctx, primary_group, user_sids,
690 &num_groups);
691 if (!NT_STATUS_IS_OK(status)) {
692 goto done;
693 }
694
695 group_sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_strings + 1);
696 if (!group_sids) {
697 status = NT_STATUS_NO_MEMORY;
698 goto done;
699 }
700
701 for (i=0; i<num_strings; i++) {
702 rc = ads_get_sid_from_extended_dn(mem_ctx, strings[i],
703 ADS_EXTENDED_DN_HEX_STRING,
704 &(group_sids)[i]);
705 if (!ADS_ERR_OK(rc)) {
706 /* ignore members without SIDs */
707 if (NT_STATUS_EQUAL(ads_ntstatus(rc),
708 NT_STATUS_NOT_FOUND)) {
709 continue;
710 }
711 else {
712 status = ads_ntstatus(rc);
713 goto done;
714 }
715 }
716 num_sids++;
717 }
718
719 if (i == 0) {
720 DEBUG(1,("No memberOf for this user?!?\n"));
721 status = NT_STATUS_NO_MEMORY;
722 goto done;
723 }
724
725 for (i=0; i<num_sids; i++) {
726
727 /* ignore Builtin groups from ADS - Guenther */
728 if (sid_check_is_in_builtin(&group_sids[i])) {
729 continue;
730 }
731
732 status = add_sid_to_array(mem_ctx, &group_sids[i], user_sids,
733 &num_groups);
734 if (!NT_STATUS_IS_OK(status)) {
735 goto done;
736 }
737
738 }
739
740 *p_num_groups = num_groups;
741 status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
742
743 DEBUG(3,("ads lookup_usergroups (memberof) succeeded for dn=%s\n",
744 user_dn));
745
746 done:
747 TALLOC_FREE(strings);
748 TALLOC_FREE(group_sids);
749
750 return status;
751 }
752
753
754 /* Lookup groups a user is a member of. */
755 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
756 TALLOC_CTX *mem_ctx,
757 const DOM_SID *sid,
758 uint32 *p_num_groups, DOM_SID **user_sids)
759 {
760 ADS_STRUCT *ads = NULL;
761 const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
762 ADS_STATUS rc;
763 int count;
764 LDAPMessage *msg = NULL;
765 char *user_dn = NULL;
766 DOM_SID *sids;
767 int i;
768 DOM_SID primary_group;
769 uint32 primary_group_rid;
770 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
771 size_t num_groups = 0;
772
773 DEBUG(3,("ads: lookup_usergroups\n"));
774 *p_num_groups = 0;
775
776 status = lookup_usergroups_cached(domain, mem_ctx, sid,
777 p_num_groups, user_sids);
778 if (NT_STATUS_IS_OK(status)) {
779 return NT_STATUS_OK;
780 }
781
782 if ( !winbindd_can_contact_domain( domain ) ) {
783 DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
784 domain->name));
785
786 /* Tell the cache manager not to remember this one */
787
788 return NT_STATUS_SYNCHRONIZATION_REQUIRED;
789 }
790
791 ads = ads_cached_connection(domain);
792
793 if (!ads) {
794 domain->last_status = NT_STATUS_SERVER_DISABLED;
795 status = NT_STATUS_SERVER_DISABLED;
796 goto done;
797 }
798
799 rc = ads_search_retry_sid(ads, &msg, sid, attrs);
800
801 if (!ADS_ERR_OK(rc)) {
802 status = ads_ntstatus(rc);
803 DEBUG(1, ("lookup_usergroups(sid=%s) ads_search tokenGroups: "
804 "%s\n", sid_string_dbg(sid), ads_errstr(rc)));
805 goto done;
806 }
807
808 count = ads_count_replies(ads, msg);
809 if (count != 1) {
810 status = NT_STATUS_UNSUCCESSFUL;
811 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: "
812 "invalid number of results (count=%d)\n",
813 sid_string_dbg(sid), count));
814 goto done;
815 }
816
817 if (!msg) {
818 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
819 sid_string_dbg(sid)));
820 status = NT_STATUS_UNSUCCESSFUL;
821 goto done;
822 }
823
824 user_dn = ads_get_dn(ads, msg);
825 if (user_dn == NULL) {
826 status = NT_STATUS_NO_MEMORY;
827 goto done;
828 }
829
830 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &primary_group_rid)) {
831 DEBUG(1,("%s: No primary group for sid=%s !?\n",
832 domain->name, sid_string_dbg(sid)));
833 goto done;
834 }
835
836 sid_copy(&primary_group, &domain->sid);
837 sid_append_rid(&primary_group, primary_group_rid);
838
839 count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids);
840
841 /* there must always be at least one group in the token,
842 unless we are talking to a buggy Win2k server */
843
844 /* actually this only happens when the machine account has no read
845 * permissions on the tokenGroup attribute - gd */
846
847 if (count == 0) {
848
849 /* no tokenGroups */
850
851 /* lookup what groups this user is a member of by DN search on
852 * "memberOf" */
853
854 status = lookup_usergroups_memberof(domain, mem_ctx, user_dn,
855 &primary_group,
856 &num_groups, user_sids);
857 *p_num_groups = (uint32)num_groups;
858 if (NT_STATUS_IS_OK(status)) {
859 goto done;
860 }
861
862 /* lookup what groups this user is a member of by DN search on
863 * "member" */
864
865 status = lookup_usergroups_member(domain, mem_ctx, user_dn,
866 &primary_group,
867 &num_groups, user_sids);
868 *p_num_groups = (uint32)num_groups;
869 goto done;
870 }
871
872 *user_sids = NULL;
873 num_groups = 0;
874
875 status = add_sid_to_array(mem_ctx, &primary_group, user_sids,
876 &num_groups);
877 if (!NT_STATUS_IS_OK(status)) {
878 goto done;
879 }
880
881 for (i=0;i<count;i++) {
882
883 /* ignore Builtin groups from ADS - Guenther */
884 if (sid_check_is_in_builtin(&sids[i])) {
885 continue;
886 }
887
888 status = add_sid_to_array_unique(mem_ctx, &sids[i],
889 user_sids, &num_groups);
890 if (!NT_STATUS_IS_OK(status)) {
891 goto done;
892 }
893 }
894
895 *p_num_groups = (uint32)num_groups;
896 status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
897
898 DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
899 sid_string_dbg(sid)));
900 done:
901 ads_memfree(ads, user_dn);
902 ads_msgfree(ads, msg);
903 return status;
904 }
905
906 /*
907 find the members of a group, given a group rid and domain
908 */
909 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
910 TALLOC_CTX *mem_ctx,
911 const DOM_SID *group_sid, uint32 *num_names,
912 DOM_SID **sid_mem, char ***names,
913 uint32 **name_types)
914 {
915 ADS_STATUS rc;
916 ADS_STRUCT *ads = NULL;
917 char *ldap_exp;
918 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
919 char *sidbinstr;
920 char **members = NULL;
921 int i;
922 size_t num_members = 0;
923 ads_control args;
924 struct rpc_pipe_client *cli;
925 POLICY_HND lsa_policy;
926 DOM_SID *sid_mem_nocache = NULL;
927 char **names_nocache = NULL;
928 enum lsa_SidType *name_types_nocache = NULL;
929 char **domains_nocache = NULL; /* only needed for rpccli_lsa_lookup_sids */
930 uint32 num_nocache = 0;
931 TALLOC_CTX *tmp_ctx = NULL;
932
933 DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name,
934 sid_string_dbg(group_sid)));
935
936 *num_names = 0;
937
938 tmp_ctx = talloc_new(mem_ctx);
939 if (!tmp_ctx) {
940 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
941 status = NT_STATUS_NO_MEMORY;
942 goto done;
943 }
944
945 if ( !winbindd_can_contact_domain( domain ) ) {
946 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
947 domain->name));
948 return NT_STATUS_OK;
949 }
950
951 ads = ads_cached_connection(domain);
952
953 if (!ads) {
954 domain->last_status = NT_STATUS_SERVER_DISABLED;
955 goto done;
956 }
957
958 if ((sidbinstr = sid_binstring(group_sid)) == NULL) {
959 status = NT_STATUS_NO_MEMORY;
960 goto done;
961 }
962
963 /* search for all members of the group */
964 if (!(ldap_exp = talloc_asprintf(tmp_ctx, "(objectSid=%s)",
965 sidbinstr)))
966 {
967 SAFE_FREE(sidbinstr);
968 DEBUG(1, ("ads: lookup_groupmem: talloc_asprintf for ldap_exp failed!\n"));
969 status = NT_STATUS_NO_MEMORY;
970 goto done;
971 }
972 SAFE_FREE(sidbinstr);
973
974 args.control = ADS_EXTENDED_DN_OID;
975 args.val = ADS_EXTENDED_DN_HEX_STRING;
976 args.critical = True;
977
978 rc = ads_ranged_search(ads, tmp_ctx, LDAP_SCOPE_SUBTREE, ads->config.bind_path,
979 ldap_exp, &args, "member", &members, &num_members);
980
981 if (!ADS_ERR_OK(rc)) {
982 DEBUG(0,("ads_ranged_search failed with: %s\n", ads_errstr(rc)));
983 status = NT_STATUS_UNSUCCESSFUL;
984 goto done;
985 }
986
987 DEBUG(10, ("ads lookup_groupmem: got %d sids via extended dn call\n", (int)num_members));
988
989 /* Now that we have a list of sids, we need to get the
990 * lists of names and name_types belonging to these sids.
991 * even though conceptually not quite clean, we use the
992 * RPC call lsa_lookup_sids for this since it can handle a
993 * list of sids. ldap calls can just resolve one sid at a time.
994 *
995 * At this stage, the sids are still hidden in the exetended dn
996 * member output format. We actually do a little better than
997 * stated above: In extracting the sids from the member strings,
998 * we try to resolve as many sids as possible from the
999 * cache. Only the rest is passed to the lsa_lookup_sids call. */
1000
1001 if (num_members) {
1002 (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_members);
1003 (*names) = TALLOC_ZERO_ARRAY(mem_ctx, char *, num_members);
1004 (*name_types) = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_members);
1005 (sid_mem_nocache) = TALLOC_ZERO_ARRAY(tmp_ctx, DOM_SID, num_members);
1006
1007 if ((members == NULL) || (*sid_mem == NULL) ||
1008 (*names == NULL) || (*name_types == NULL) ||
1009 (sid_mem_nocache == NULL))
1010 {
1011 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
1012 status = NT_STATUS_NO_MEMORY;
1013 goto done;
1014 }
1015 }
1016 else {
1017 (*sid_mem) = NULL;
1018 (*names) = NULL;
1019 (*name_types) = NULL;
1020 }
1021
1022 for (i=0; i<num_members; i++) {
1023 enum lsa_SidType name_type;
1024 char *name, *domain_name;
1025 DOM_SID sid;
1026
1027 rc = ads_get_sid_from_extended_dn(tmp_ctx, members[i], args.val,
1028 &sid);
1029 if (!ADS_ERR_OK(rc)) {
1030 if (NT_STATUS_EQUAL(ads_ntstatus(rc),
1031 NT_STATUS_NOT_FOUND)) {
1032 /* Group members can be objects, like Exchange
1033 * Public Folders, that don't have a SID. Skip
1034 * them. */
1035 continue;
1036 }
1037 else {
1038 status = ads_ntstatus(rc);
1039 goto done;
1040 }
1041 }
1042 if (lookup_cached_sid(mem_ctx, &sid, &domain_name, &name,
1043 &name_type)) {
1044 DEBUG(10,("ads: lookup_groupmem: got sid %s from "
1045 "cache\n", sid_string_dbg(&sid)));
1046 sid_copy(&(*sid_mem)[*num_names], &sid);
1047 (*names)[*num_names] = fill_domain_username_talloc(
1048 *names,
1049 domain_name,
1050 name,
1051 true);
1052
1053 (*name_types)[*num_names] = name_type;
1054 (*num_names)++;
1055 }
1056 else {
1057 DEBUG(10, ("ads: lookup_groupmem: sid %s not found in "
1058 "cache\n", sid_string_dbg(&sid)));
1059 sid_copy(&(sid_mem_nocache)[num_nocache], &sid);
1060 num_nocache++;
1061 }
1062 }
1063
1064 DEBUG(10, ("ads: lookup_groupmem: %d sids found in cache, "
1065 "%d left for lsa_lookupsids\n", *num_names, num_nocache));
1066
1067 /* handle sids not resolved from cache by lsa_lookup_sids */
1068 if (num_nocache > 0) {
1069
1070 status = cm_connect_lsa(domain, tmp_ctx, &cli, &lsa_policy);
1071
1072 if (!NT_STATUS_IS_OK(status)) {
1073 goto done;
1074 }
1075
1076 status = rpccli_lsa_lookup_sids(cli, tmp_ctx,
1077 &lsa_policy,
1078 num_nocache,
1079 sid_mem_nocache,
1080 &domains_nocache,
1081 &names_nocache,
1082 &name_types_nocache);
1083
1084 if (!(NT_STATUS_IS_OK(status) ||
1085 NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED) ||
1086 NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)))
1087 {
1088 DEBUG(1, ("lsa_lookupsids call failed with %s "
1089 "- retrying...\n", nt_errstr(status)));
1090
1091 status = cm_connect_lsa(domain, tmp_ctx, &cli,
1092 &lsa_policy);
1093
1094 if (!NT_STATUS_IS_OK(status)) {
1095 goto done;
1096 }
1097
1098 status = rpccli_lsa_lookup_sids(cli, tmp_ctx,
1099 &lsa_policy,
1100 num_nocache,
1101 sid_mem_nocache,
1102 &domains_nocache,
1103 &names_nocache,
1104 &name_types_nocache);
1105 }
1106
1107 if (NT_STATUS_IS_OK(status) ||
1108 NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED))
1109 {
1110 /* Copy the entries over from the "_nocache" arrays
1111 * to the result arrays, skipping the gaps the
1112 * lookup_sids call left. */
1113 for (i=0; i < num_nocache; i++) {
1114 if (((names_nocache)[i] != NULL) &&
1115 ((name_types_nocache)[i] != SID_NAME_UNKNOWN))
1116 {
1117 sid_copy(&(*sid_mem)[*num_names],
1118 &sid_mem_nocache[i]);
1119 (*names)[*num_names] =
1120 fill_domain_username_talloc(
1121 *names,
1122 domains_nocache[i],
1123 names_nocache[i],
1124 true);
1125 (*name_types)[*num_names] = name_types_nocache[i];
1126 (*num_names)++;
1127 }
1128 }
1129 }
1130 else if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
1131 DEBUG(10, ("lookup_groupmem: lsa_lookup_sids could "
1132 "not map any SIDs at all.\n"));
1133 /* Don't handle this as an error here.
1134 * There is nothing left to do with respect to the
1135 * overall result... */
1136 }
1137 else if (!NT_STATUS_IS_OK(status)) {
1138 DEBUG(10, ("lookup_groupmem: Error looking up %d "
1139 "sids via rpc_lsa_lookup_sids: %s\n",
1140 (int)num_members, nt_errstr(status)));
1141 goto done;
1142 }
1143 }
1144
1145 status = NT_STATUS_OK;
1146 DEBUG(3,("ads lookup_groupmem for sid=%s succeeded\n",
1147 sid_string_dbg(group_sid)));
1148
1149 done:
1150
1151 TALLOC_FREE(tmp_ctx);
1152
1153 return status;
1154 }
1155
1156 /* find the sequence number for a domain */
1157 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
1158 {
1159 ADS_STRUCT *ads = NULL;
1160 ADS_STATUS rc;
1161
1162 DEBUG(3,("ads: fetch sequence_number for %s\n", domain->name));
1163
1164 if ( !winbindd_can_contact_domain( domain ) ) {
1165 DEBUG(10,("sequence: No incoming trust for domain %s\n",
1166 domain->name));
1167 *seq = time(NULL);
1168 return NT_STATUS_OK;
1169 }
1170
1171 *seq = DOM_SEQUENCE_NONE;
1172
1173 ads = ads_cached_connection(domain);
1174
1175 if (!ads) {
1176 domain->last_status = NT_STATUS_SERVER_DISABLED;
1177 return NT_STATUS_UNSUCCESSFUL;
1178 }
1179
1180 rc = ads_USN(ads, seq);
1181
1182 if (!ADS_ERR_OK(rc)) {
1183
1184 /* its a dead connection, destroy it */
1185
1186 if (domain->private_data) {
1187 ads = (ADS_STRUCT *)domain->private_data;
1188 ads->is_mine = True;
1189 ads_destroy(&ads);
1190 ads_kdestroy("MEMORY:winbind_ccache");
1191 domain->private_data = NULL;
1192 }
1193 }
1194 return ads_ntstatus(rc);
1195 }
1196
1197 /* get a list of trusted domains */
1198 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1199 TALLOC_CTX *mem_ctx,
1200 uint32 *num_domains,
1201 char ***names,
1202 char ***alt_names,
1203 DOM_SID **dom_sids)
1204 {
1205 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1206 struct netr_DomainTrustList trusts;
1207 int i;
1208 uint32 flags;
1209 struct rpc_pipe_client *cli;
1210 uint32 fr_flags = (NETR_TRUST_FLAG_IN_FOREST | NETR_TRUST_FLAG_TREEROOT);
1211 int ret_count;
1212
1213 DEBUG(3,("ads: trusted_domains\n"));
1214
1215 *num_domains = 0;
1216 *alt_names = NULL;
1217 *names = NULL;
1218 *dom_sids = NULL;
1219
1220 /* If this is our primary domain or a root in our forest,
1221 query for all trusts. If not, then just look for domain
1222 trusts in the target forest */
1223
1224 if ( domain->primary ||
1225 ((domain->domain_flags&fr_flags) == fr_flags) )
1226 {
1227 flags = NETR_TRUST_FLAG_OUTBOUND |
1228 NETR_TRUST_FLAG_INBOUND |
1229 NETR_TRUST_FLAG_IN_FOREST;
1230 } else {
1231 flags = NETR_TRUST_FLAG_IN_FOREST;
1232 }
1233
1234 result = cm_connect_netlogon(domain, &cli);
1235
1236 if (!NT_STATUS_IS_OK(result)) {
1237 DEBUG(5, ("trusted_domains: Could not open a connection to %s "
1238 "for PIPE_NETLOGON (%s)\n",
1239 domain->name, nt_errstr(result)));
1240 return NT_STATUS_UNSUCCESSFUL;
1241 }
1242
1243 result = rpccli_netr_DsrEnumerateDomainTrusts(cli, mem_ctx,
1244 cli->desthost,
1245 flags,
1246 &trusts,
1247 NULL);
1248 if ( NT_STATUS_IS_OK(result) && trusts.count) {
1249
1250 /* Allocate memory for trusted domain names and sids */
1251
1252 if ( !(*names = TALLOC_ARRAY(mem_ctx, char *, trusts.count)) ) {
1253 DEBUG(0, ("trusted_domains: out of memory\n"));
1254 return NT_STATUS_NO_MEMORY;
1255 }
1256
1257 if ( !(*alt_names = TALLOC_ARRAY(mem_ctx, char *, trusts.count)) ) {
1258 DEBUG(0, ("trusted_domains: out of memory\n"));
1259 return NT_STATUS_NO_MEMORY;
1260 }
1261
1262 if ( !(*dom_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, trusts.count)) ) {
1263 DEBUG(0, ("trusted_domains: out of memory\n"));
1264 return NT_STATUS_NO_MEMORY;
1265 }
1266
1267 /* Copy across names and sids */
1268
1269
1270 ret_count = 0;
1271 for (i = 0; i < trusts.count; i++) {
1272 struct winbindd_domain d;
1273
1274 ZERO_STRUCT(d);
1275
1276 /* drop external trusts if this is not our primary
1277 domain. This means that the returned number of
1278 domains may be less that the ones actually trusted
1279 by the DC. */
1280
1281 if ( (trusts.array[i].trust_attributes == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) &&
1282 !domain->primary )
1283 {
1284 DEBUG(10,("trusted_domains: Skipping external trusted domain "
1285 "%s because it is outside of our primary domain\n",
1286 trusts.array[i].netbios_name));
1287 continue;
1288 }
1289
1290 (*names)[ret_count] = CONST_DISCARD(char *, trusts.array[i].netbios_name);
1291 (*alt_names)[ret_count] = CONST_DISCARD(char *, trusts.array[i].dns_name);
1292 if (trusts.array[i].sid) {
1293 sid_copy(&(*dom_sids)[ret_count], trusts.array[i].sid);
1294 } else {
1295 sid_copy(&(*dom_sids)[ret_count], &global_sid_NULL);
1296 }
1297
1298 /* add to the trusted domain cache */
1299
1300 fstrcpy( d.name, trusts.array[i].netbios_name);
1301 fstrcpy( d.alt_name, trusts.array[i].dns_name);
1302 if (trusts.array[i].sid) {
1303 sid_copy( &d.sid, trusts.array[i].sid);
1304 } else {
1305 sid_copy(&d.sid, &global_sid_NULL);
1306 }
1307
1308 if ( domain->primary ) {
1309 DEBUG(10,("trusted_domains(ads): Searching "
1310 "trusted domain list of %s and storing "
1311 "trust flags for domain %s\n",
1312 domain->name, d.alt_name));
1313
1314 d.domain_flags = trusts.array[i].trust_flags;
1315 d.domain_type = trusts.array[i].trust_type;
1316 d.domain_trust_attribs = trusts.array[i].trust_attributes;
1317
1318 wcache_tdc_add_domain( &d );
1319 ret_count++;
1320 } else if ( (domain->domain_flags&fr_flags) == fr_flags ) {
1321 /* Check if we already have this record. If
1322 * we are following our forest root that is not
1323 * our primary domain, we want to keep trust
1324 * flags from the perspective of our primary
1325 * domain not our forest root. */
1326 struct winbindd_tdc_domain *exist = NULL;
1327
1328 exist =
1329 wcache_tdc_fetch_domain(NULL, trusts.array[i].netbios_name);
1330 if (!exist) {
1331 DEBUG(10,("trusted_domains(ads): Searching "
1332 "trusted domain list of %s and storing "
1333 "trust flags for domain %s\n",
1334 domain->name, d.alt_name));
1335 d.domain_flags = trusts.array[i].trust_flags;
1336 d.domain_type = trusts.array[i].trust_type;
1337 d.domain_trust_attribs = trusts.array[i].trust_attributes;
1338
1339 wcache_tdc_add_domain( &d );
1340 ret_count++;
1341 }
1342 TALLOC_FREE(exist);
1343 } else {
1344 /* This gets a little tricky. If we are
1345 following a transitive forest trust, then
1346 innerit the flags, type, and attribs from
1347 the domain we queried to make sure we don't
1348 record the view of the trust from the wrong
1349 side. Always view it from the side of our
1350 primary domain. --jerry */
1351 struct winbindd_tdc_domain *parent = NULL;
1352
1353 DEBUG(10,("trusted_domains(ads): Searching "
1354 "trusted domain list of %s and inheriting "
1355 "trust flags for domain %s\n",
1356 domain->name, d.alt_name));
1357
1358 parent = wcache_tdc_fetch_domain(NULL, domain->name);
1359 if (parent) {
1360 d.domain_flags = parent->trust_flags;
1361 d.domain_type = parent->trust_type;
1362 d.domain_trust_attribs = parent->trust_attribs;
1363 } else {
1364 d.domain_flags = domain->domain_flags;
1365 d.domain_type = domain->domain_type;
1366 d.domain_trust_attribs = domain->domain_trust_attribs;
1367 }
1368 TALLOC_FREE(parent);
1369
1370 wcache_tdc_add_domain( &d );
1371 ret_count++;
1372 }
1373 }
1374
1375 *num_domains = ret_count;
1376 }
1377
1378 return result;
1379 }
1380
1381 /* the ADS backend methods are exposed via this structure */
1382 struct winbindd_methods ads_methods = {
1383 True,
1384 query_user_list,
1385 enum_dom_groups,
1386 enum_local_groups,
1387 msrpc_name_to_sid,
1388 msrpc_sid_to_name,
1389 msrpc_rids_to_names,
1390 query_user,
1391 lookup_usergroups,
1392 msrpc_lookup_useraliases,
1393 lookup_groupmem,
1394 sequence_number,
1395 msrpc_lockout_policy,
1396 msrpc_password_policy,
1397 trusted_domains,
1398 };
1399
1400 #endif
reg import