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s3: Remove some unused code
[Samba.git] / source3 / winbindd / winbindd_ads.c
blob92c027208832227950b8434cae12c66c76c2f365
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 #include "../librpc/gen_ndr/cli_netlogon.h"
27
28 #ifdef HAVE_ADS
29
30 #undef DBGC_CLASS
31 #define DBGC_CLASS DBGC_WINBIND
32
33 extern struct winbindd_methods reconnect_methods;
34
35 /*
36 return our ads connections structure for a domain. We keep the connection
37 open to make things faster
38 */
39 static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
40 {
41 ADS_STRUCT *ads;
42 ADS_STATUS status;
43 fstring dc_name;
44 struct sockaddr_storage dc_ss;
45
46 DEBUG(10,("ads_cached_connection\n"));
47
48 if (domain->private_data) {
49
50 time_t expire;
51 time_t now = time(NULL);
52
53 /* check for a valid structure */
54 ads = (ADS_STRUCT *)domain->private_data;
55
56 expire = MIN(ads->auth.tgt_expire, ads->auth.tgs_expire);
57
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));
60
61 if ( ads->config.realm && (expire > now)) {
62 return ads;
63 } else {
64 /* we own this ADS_STRUCT so make sure it goes away */
65 DEBUG(7,("Deleting expired krb5 credential cache\n"));
66 ads->is_mine = True;
67 ads_destroy( &ads );
68 ads_kdestroy("MEMORY:winbind_ccache");
69 domain->private_data = NULL;
70 }
71 }
72
73 /* we don't want this to affect the users ccache */
74 setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1);
75
76 ads = ads_init(domain->alt_name, domain->name, NULL);
77 if (!ads) {
78 DEBUG(1,("ads_init for domain %s failed\n", domain->name));
79 return NULL;
80 }
81
82 /* the machine acct password might have change - fetch it every time */
83
84 SAFE_FREE(ads->auth.password);
85 SAFE_FREE(ads->auth.realm);
86
87 if ( IS_DC ) {
88
89 if ( !pdb_get_trusteddom_pw( domain->name, &ads->auth.password, NULL, NULL ) ) {
90 ads_destroy( &ads );
91 return NULL;
92 }
93 ads->auth.realm = SMB_STRDUP( ads->server.realm );
94 strupper_m( ads->auth.realm );
95 }
96 else {
97 struct winbindd_domain *our_domain = domain;
98
99 ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
100
101 /* always give preference to the alt_name in our
102 primary domain if possible */
103
104 if ( !domain->primary )
105 our_domain = find_our_domain();
106
107 if ( our_domain->alt_name[0] != '\0' ) {
108 ads->auth.realm = SMB_STRDUP( our_domain->alt_name );
109 strupper_m( ads->auth.realm );
110 }
111 else
112 ads->auth.realm = SMB_STRDUP( lp_realm() );
113 }
114
115 ads->auth.renewable = WINBINDD_PAM_AUTH_KRB5_RENEW_TIME;
116
117 /* Setup the server affinity cache. We don't reaally care
118 about the name. Just setup affinity and the KRB5_CONFIG
119 file. */
120
121 get_dc_name( ads->server.workgroup, ads->server.realm, dc_name, &dc_ss );
122
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)));
127 ads_destroy(&ads);
128
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;
136 }
137 return NULL;
138 }
139
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 */
143
144 ads->is_mine = False;
145
146 domain->private_data = (void *)ads;
147 return ads;
148 }
149
150
151 /* Query display info for a realm. This is the basic user list fn */
152 static NTSTATUS query_user_list(struct winbindd_domain *domain,
153 TALLOC_CTX *mem_ctx,
154 uint32 *num_entries,
155 struct wbint_userinfo **info)
156 {
157 ADS_STRUCT *ads = NULL;
158 const char *attrs[] = { "*", NULL };
159 int i, count;
160 ADS_STATUS rc;
161 LDAPMessage *res = NULL;
162 LDAPMessage *msg = NULL;
163 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
164
165 *num_entries = 0;
166
167 DEBUG(3,("ads: query_user_list\n"));
168
169 if ( !winbindd_can_contact_domain( domain ) ) {
170 DEBUG(10,("query_user_list: No incoming trust for domain %s\n",
171 domain->name));
172 return NT_STATUS_OK;
173 }
174
175 ads = ads_cached_connection(domain);
176
177 if (!ads) {
178 domain->last_status = NT_STATUS_SERVER_DISABLED;
179 goto done;
180 }
181
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)));
185 goto done;
186 }
187
188 count = ads_count_replies(ads, res);
189 if (count == 0) {
190 DEBUG(1,("query_user_list: No users found\n"));
191 goto done;
192 }
193
194 (*info) = TALLOC_ZERO_ARRAY(mem_ctx, struct wbint_userinfo, count);
195 if (!*info) {
196 status = NT_STATUS_NO_MEMORY;
197 goto done;
198 }
199
200 i = 0;
201
202 for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
203 const char *name;
204 const char *gecos = NULL;
205 const char *homedir = NULL;
206 const 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 ds_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 /* convert a single name to a sid in a domain - use rpc methods */
405 static NTSTATUS name_to_sid(struct winbindd_domain *domain,
406 TALLOC_CTX *mem_ctx,
407 const char *domain_name,
408 const char *name,
409 uint32_t flags,
410 DOM_SID *sid,
411 enum lsa_SidType *type)
412 {
413 return reconnect_methods.name_to_sid(domain, mem_ctx,
414 domain_name, name, flags,
415 sid, type);
416 }
417
418 /* convert a domain SID to a user or group name - use rpc methods */
419 static NTSTATUS sid_to_name(struct winbindd_domain *domain,
420 TALLOC_CTX *mem_ctx,
421 const DOM_SID *sid,
422 char **domain_name,
423 char **name,
424 enum lsa_SidType *type)
425 {
426 return reconnect_methods.sid_to_name(domain, mem_ctx, sid,
427 domain_name, name, type);
428 }
429
430 /* convert a list of rids to names - use rpc methods */
431 static NTSTATUS rids_to_names(struct winbindd_domain *domain,
432 TALLOC_CTX *mem_ctx,
433 const DOM_SID *sid,
434 uint32 *rids,
435 size_t num_rids,
436 char **domain_name,
437 char ***names,
438 enum lsa_SidType **types)
439 {
440 return reconnect_methods.rids_to_names(domain, mem_ctx, sid,
441 rids, num_rids,
442 domain_name, names, types);
443 }
444
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. */
449
450 /* Lookup user information from a rid */
451 static NTSTATUS query_user(struct winbindd_domain *domain,
452 TALLOC_CTX *mem_ctx,
453 const DOM_SID *sid,
454 struct wbint_userinfo *info)
455 {
456 ADS_STRUCT *ads = NULL;
457 const char *attrs[] = { "*", NULL };
458 ADS_STATUS rc;
459 int count;
460 LDAPMessage *msg = NULL;
461 char *ldap_exp;
462 char *sidstr;
463 uint32 group_rid;
464 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
465 struct netr_SamInfo3 *user = NULL;
466 gid_t gid;
467
468 DEBUG(3,("ads: query_user\n"));
469
470 info->homedir = NULL;
471 info->shell = NULL;
472 info->primary_gid = (gid_t)-1;
473
474 /* try netsamlogon cache first */
475
476 if ( (user = netsamlogon_cache_get( mem_ctx, sid )) != NULL )
477 {
478 DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
479 sid_string_dbg(sid)));
480
481 sid_compose(&info->user_sid, &domain->sid, user->base.rid);
482 sid_compose(&info->group_sid, &domain->sid, user->base.primary_gid);
483
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);
486
487 nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
488 &info->homedir, &info->shell, &info->full_name,
489 &gid );
490 info->primary_gid = gid;
491
492 TALLOC_FREE(user);
493
494 return NT_STATUS_OK;
495 }
496
497 if ( !winbindd_can_contact_domain(domain)) {
498 DEBUG(8,("query_user: No incoming trust from domain %s\n",
499 domain->name));
500
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. */
504
505 sid_copy( &info->user_sid, sid );
506
507 /* Assume "Domain Users" for the primary group */
508
509 sid_compose(&info->group_sid, &domain->sid, DOMAIN_GROUP_RID_USERS );
510
511 /* Try to fill in what the nss_info backend can do */
512
513 nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
514 &info->homedir, &info->shell, &info->full_name,
515 &gid);
516 info->primary_gid = gid;
517
518 status = NT_STATUS_OK;
519 goto done;
520 }
521
522 /* no cache...do the query */
523
524 if ( (ads = ads_cached_connection(domain)) == NULL ) {
525 domain->last_status = NT_STATUS_SERVER_DISABLED;
526 goto done;
527 }
528
529 sidstr = sid_binstring(talloc_tos(), sid);
530 if (asprintf(&ldap_exp, "(objectSid=%s)", sidstr) == -1) {
531 status = NT_STATUS_NO_MEMORY;
532 goto done;
533 }
534 rc = ads_search_retry(ads, &msg, ldap_exp, attrs);
535 free(ldap_exp);
536 TALLOC_FREE(sidstr);
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)));
540 goto done;
541 }
542
543 count = ads_count_replies(ads, msg);
544 if (count != 1) {
545 DEBUG(1,("query_user(sid=%s): Not found\n",
546 sid_string_dbg(sid)));
547 goto done;
548 }
549
550 info->acct_name = ads_pull_username(ads, mem_ctx, msg);
551
552 nss_get_info_cached( domain, sid, mem_ctx, ads, msg,
553 &info->homedir, &info->shell, &info->full_name,
554 &gid);
555 info->primary_gid = gid;
556
557 if (info->full_name == NULL) {
558 info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
559 }
560
561 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group_rid)) {
562 DEBUG(1,("No primary group for %s !?\n",
563 sid_string_dbg(sid)));
564 goto done;
565 }
566
567 sid_copy(&info->user_sid, sid);
568 sid_compose(&info->group_sid, &domain->sid, group_rid);
569
570 status = NT_STATUS_OK;
571
572 DEBUG(3,("ads query_user gave %s\n", info->acct_name));
573 done:
574 if (msg)
575 ads_msgfree(ads, msg);
576
577 return status;
578 }
579
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,
583 TALLOC_CTX *mem_ctx,
584 const char *user_dn,
585 DOM_SID *primary_group,
586 size_t *p_num_groups, DOM_SID **user_sids)
587 {
588 ADS_STATUS rc;
589 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
590 int count;
591 LDAPMessage *res = NULL;
592 LDAPMessage *msg = NULL;
593 char *ldap_exp;
594 ADS_STRUCT *ads;
595 const char *group_attrs[] = {"objectSid", NULL};
596 char *escaped_dn;
597 size_t num_groups = 0;
598
599 DEBUG(3,("ads: lookup_usergroups_member\n"));
600
601 if ( !winbindd_can_contact_domain( domain ) ) {
602 DEBUG(10,("lookup_usergroups_members: No incoming trust for domain %s\n",
603 domain->name));
604 return NT_STATUS_OK;
605 }
606
607 ads = ads_cached_connection(domain);
608
609 if (!ads) {
610 domain->last_status = NT_STATUS_SERVER_DISABLED;
611 goto done;
612 }
613
614 if (!(escaped_dn = escape_ldap_string(talloc_tos(), user_dn))) {
615 status = NT_STATUS_NO_MEMORY;
616 goto done;
617 }
618
619 ldap_exp = talloc_asprintf(mem_ctx,
620 "(&(member=%s)(objectCategory=group)(groupType:dn:%s:=%d))",
621 escaped_dn,
622 ADS_LDAP_MATCHING_RULE_BIT_AND,
623 GROUP_TYPE_SECURITY_ENABLED);
624 if (!ldap_exp) {
625 DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
626 TALLOC_FREE(escaped_dn);
627 status = NT_STATUS_NO_MEMORY;
628 goto done;
629 }
630
631 TALLOC_FREE(escaped_dn);
632
633 rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);
634
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);
638 }
639
640 count = ads_count_replies(ads, res);
641
642 *user_sids = NULL;
643 num_groups = 0;
644
645 /* always add the primary group to the sid array */
646 status = add_sid_to_array(mem_ctx, primary_group, user_sids,
647 &num_groups);
648 if (!NT_STATUS_IS_OK(status)) {
649 goto done;
650 }
651
652 if (count > 0) {
653 for (msg = ads_first_entry(ads, res); msg;
654 msg = ads_next_entry(ads, msg)) {
655 DOM_SID group_sid;
656
657 if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
658 DEBUG(1,("No sid for this group ?!?\n"));
659 continue;
660 }
661
662 /* ignore Builtin groups from ADS - Guenther */
663 if (sid_check_is_in_builtin(&group_sid)) {
664 continue;
665 }
666
667 status = add_sid_to_array(mem_ctx, &group_sid,
668 user_sids, &num_groups);
669 if (!NT_STATUS_IS_OK(status)) {
670 goto done;
671 }
672 }
673
674 }
675
676 *p_num_groups = num_groups;
677 status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
678
679 DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn));
680 done:
681 if (res)
682 ads_msgfree(ads, res);
683
684 return status;
685 }
686
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,
690 TALLOC_CTX *mem_ctx,
691 const char *user_dn,
692 DOM_SID *primary_group,
693 size_t *p_num_groups,
694 DOM_SID **user_sids)
695 {
696 ADS_STATUS rc;
697 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
698 ADS_STRUCT *ads;
699 const char *attrs[] = {"memberOf", NULL};
700 size_t num_groups = 0;
701 DOM_SID *group_sids = NULL;
702 int i;
703 char **strings = NULL;
704 size_t num_strings = 0, num_sids = 0;
705
706
707 DEBUG(3,("ads: lookup_usergroups_memberof\n"));
708
709 if ( !winbindd_can_contact_domain( domain ) ) {
710 DEBUG(10,("lookup_usergroups_memberof: No incoming trust for "
711 "domain %s\n", domain->name));
712 return NT_STATUS_OK;
713 }
714
715 ads = ads_cached_connection(domain);
716
717 if (!ads) {
718 domain->last_status = NT_STATUS_SERVER_DISABLED;
719 return NT_STATUS_UNSUCCESSFUL;
720 }
721
722 rc = ads_search_retry_extended_dn_ranged(ads, mem_ctx, user_dn, attrs,
723 ADS_EXTENDED_DN_HEX_STRING,
724 &strings, &num_strings);
725
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);
730 }
731
732 *user_sids = NULL;
733 num_groups = 0;
734
735 /* always add the primary group to the sid array */
736 status = add_sid_to_array(mem_ctx, primary_group, user_sids,
737 &num_groups);
738 if (!NT_STATUS_IS_OK(status)) {
739 goto done;
740 }
741
742 group_sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_strings + 1);
743 if (!group_sids) {
744 status = NT_STATUS_NO_MEMORY;
745 goto done;
746 }
747
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,
751 &(group_sids)[i]);
752 if (!ADS_ERR_OK(rc)) {
753 /* ignore members without SIDs */
754 if (NT_STATUS_EQUAL(ads_ntstatus(rc),
755 NT_STATUS_NOT_FOUND)) {
756 continue;
757 }
758 else {
759 status = ads_ntstatus(rc);
760 goto done;
761 }
762 }
763 num_sids++;
764 }
765
766 if (i == 0) {
767 DEBUG(1,("No memberOf for this user?!?\n"));
768 status = NT_STATUS_NO_MEMORY;
769 goto done;
770 }
771
772 for (i=0; i<num_sids; i++) {
773
774 /* ignore Builtin groups from ADS - Guenther */
775 if (sid_check_is_in_builtin(&group_sids[i])) {
776 continue;
777 }
778
779 status = add_sid_to_array(mem_ctx, &group_sids[i], user_sids,
780 &num_groups);
781 if (!NT_STATUS_IS_OK(status)) {
782 goto done;
783 }
784
785 }
786
787 *p_num_groups = num_groups;
788 status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
789
790 DEBUG(3,("ads lookup_usergroups (memberof) succeeded for dn=%s\n",
791 user_dn));
792
793 done:
794 TALLOC_FREE(strings);
795 TALLOC_FREE(group_sids);
796
797 return status;
798 }
799
800
801 /* Lookup groups a user is a member of. */
802 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
803 TALLOC_CTX *mem_ctx,
804 const DOM_SID *sid,
805 uint32 *p_num_groups, DOM_SID **user_sids)
806 {
807 ADS_STRUCT *ads = NULL;
808 const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
809 ADS_STATUS rc;
810 int count;
811 LDAPMessage *msg = NULL;
812 char *user_dn = NULL;
813 DOM_SID *sids;
814 int i;
815 DOM_SID primary_group;
816 uint32 primary_group_rid;
817 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
818 size_t num_groups = 0;
819
820 DEBUG(3,("ads: lookup_usergroups\n"));
821 *p_num_groups = 0;
822
823 status = lookup_usergroups_cached(domain, mem_ctx, sid,
824 p_num_groups, user_sids);
825 if (NT_STATUS_IS_OK(status)) {
826 return NT_STATUS_OK;
827 }
828
829 if ( !winbindd_can_contact_domain( domain ) ) {
830 DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
831 domain->name));
832
833 /* Tell the cache manager not to remember this one */
834
835 return NT_STATUS_SYNCHRONIZATION_REQUIRED;
836 }
837
838 ads = ads_cached_connection(domain);
839
840 if (!ads) {
841 domain->last_status = NT_STATUS_SERVER_DISABLED;
842 status = NT_STATUS_SERVER_DISABLED;
843 goto done;
844 }
845
846 rc = ads_search_retry_sid(ads, &msg, sid, attrs);
847
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)));
852 goto done;
853 }
854
855 count = ads_count_replies(ads, msg);
856 if (count != 1) {
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));
861 goto done;
862 }
863
864 if (!msg) {
865 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
866 sid_string_dbg(sid)));
867 status = NT_STATUS_UNSUCCESSFUL;
868 goto done;
869 }
870
871 user_dn = ads_get_dn(ads, mem_ctx, msg);
872 if (user_dn == NULL) {
873 status = NT_STATUS_NO_MEMORY;
874 goto done;
875 }
876
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)));
880 goto done;
881 }
882
883 sid_copy(&primary_group, &domain->sid);
884 sid_append_rid(&primary_group, primary_group_rid);
885
886 count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids);
887
888 /* there must always be at least one group in the token,
889 unless we are talking to a buggy Win2k server */
890
891 /* actually this only happens when the machine account has no read
892 * permissions on the tokenGroup attribute - gd */
893
894 if (count == 0) {
895
896 /* no tokenGroups */
897
898 /* lookup what groups this user is a member of by DN search on
899 * "memberOf" */
900
901 status = lookup_usergroups_memberof(domain, mem_ctx, user_dn,
902 &primary_group,
903 &num_groups, user_sids);
904 *p_num_groups = (uint32)num_groups;
905 if (NT_STATUS_IS_OK(status)) {
906 goto done;
907 }
908
909 /* lookup what groups this user is a member of by DN search on
910 * "member" */
911
912 status = lookup_usergroups_member(domain, mem_ctx, user_dn,
913 &primary_group,
914 &num_groups, user_sids);
915 *p_num_groups = (uint32)num_groups;
916 goto done;
917 }
918
919 *user_sids = NULL;
920 num_groups = 0;
921
922 status = add_sid_to_array(mem_ctx, &primary_group, user_sids,
923 &num_groups);
924 if (!NT_STATUS_IS_OK(status)) {
925 goto done;
926 }
927
928 for (i=0;i<count;i++) {
929
930 /* ignore Builtin groups from ADS - Guenther */
931 if (sid_check_is_in_builtin(&sids[i])) {
932 continue;
933 }
934
935 status = add_sid_to_array_unique(mem_ctx, &sids[i],
936 user_sids, &num_groups);
937 if (!NT_STATUS_IS_OK(status)) {
938 goto done;
939 }
940 }
941
942 *p_num_groups = (uint32)num_groups;
943 status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
944
945 DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
946 sid_string_dbg(sid)));
947 done:
948 TALLOC_FREE(user_dn);
949 ads_msgfree(ads, msg);
950 return status;
951 }
952
953 /* Lookup aliases a user is member of - use rpc methods */
954 static NTSTATUS lookup_useraliases(struct winbindd_domain *domain,
955 TALLOC_CTX *mem_ctx,
956 uint32 num_sids, const DOM_SID *sids,
957 uint32 *num_aliases, uint32 **alias_rids)
958 {
959 return reconnect_methods.lookup_useraliases(domain, mem_ctx,
960 num_sids, sids,
961 num_aliases,
962 alias_rids);
963 }
964
965 /*
966 find the members of a group, given a group rid and domain
967 */
968 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
969 TALLOC_CTX *mem_ctx,
970 const DOM_SID *group_sid,
971 enum lsa_SidType type,
972 uint32 *num_names,
973 DOM_SID **sid_mem, char ***names,
974 uint32 **name_types)
975 {
976 ADS_STATUS rc;
977 ADS_STRUCT *ads = NULL;
978 char *ldap_exp;
979 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
980 char *sidbinstr;
981 char **members = NULL;
982 int i;
983 size_t num_members = 0;
984 ads_control args;
985 DOM_SID *sid_mem_nocache = NULL;
986 char **names_nocache = NULL;
987 enum lsa_SidType *name_types_nocache = NULL;
988 char **domains_nocache = NULL; /* only needed for rpccli_lsa_lookup_sids */
989 uint32 num_nocache = 0;
990 TALLOC_CTX *tmp_ctx = NULL;
991
992 DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name,
993 sid_string_dbg(group_sid)));
994
995 *num_names = 0;
996
997 tmp_ctx = talloc_new(mem_ctx);
998 if (!tmp_ctx) {
999 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
1000 status = NT_STATUS_NO_MEMORY;
1001 goto done;
1002 }
1003
1004 if ( !winbindd_can_contact_domain( domain ) ) {
1005 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
1006 domain->name));
1007 return NT_STATUS_OK;
1008 }
1009
1010 ads = ads_cached_connection(domain);
1011
1012 if (!ads) {
1013 domain->last_status = NT_STATUS_SERVER_DISABLED;
1014 goto done;
1015 }
1016
1017 if ((sidbinstr = sid_binstring(talloc_tos(), group_sid)) == NULL) {
1018 status = NT_STATUS_NO_MEMORY;
1019 goto done;
1020 }
1021
1022 /* search for all members of the group */
1023 ldap_exp = talloc_asprintf(tmp_ctx, "(objectSid=%s)", sidbinstr);
1024 TALLOC_FREE(sidbinstr);
1025 if (ldap_exp == NULL) {
1026 DEBUG(1, ("ads: lookup_groupmem: talloc_asprintf for ldap_exp failed!\n"));
1027 status = NT_STATUS_NO_MEMORY;
1028 goto done;
1029 }
1030
1031 args.control = ADS_EXTENDED_DN_OID;
1032 args.val = ADS_EXTENDED_DN_HEX_STRING;
1033 args.critical = True;
1034
1035 rc = ads_ranged_search(ads, tmp_ctx, LDAP_SCOPE_SUBTREE, ads->config.bind_path,
1036 ldap_exp, &args, "member", &members, &num_members);
1037
1038 if (!ADS_ERR_OK(rc)) {
1039 DEBUG(0,("ads_ranged_search failed with: %s\n", ads_errstr(rc)));
1040 status = NT_STATUS_UNSUCCESSFUL;
1041 goto done;
1042 }
1043
1044 DEBUG(10, ("ads lookup_groupmem: got %d sids via extended dn call\n", (int)num_members));
1045
1046 /* Now that we have a list of sids, we need to get the
1047 * lists of names and name_types belonging to these sids.
1048 * even though conceptually not quite clean, we use the
1049 * RPC call lsa_lookup_sids for this since it can handle a
1050 * list of sids. ldap calls can just resolve one sid at a time.
1051 *
1052 * At this stage, the sids are still hidden in the exetended dn
1053 * member output format. We actually do a little better than
1054 * stated above: In extracting the sids from the member strings,
1055 * we try to resolve as many sids as possible from the
1056 * cache. Only the rest is passed to the lsa_lookup_sids call. */
1057
1058 if (num_members) {
1059 (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_members);
1060 (*names) = TALLOC_ZERO_ARRAY(mem_ctx, char *, num_members);
1061 (*name_types) = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_members);
1062 (sid_mem_nocache) = TALLOC_ZERO_ARRAY(tmp_ctx, DOM_SID, num_members);
1063
1064 if ((members == NULL) || (*sid_mem == NULL) ||
1065 (*names == NULL) || (*name_types == NULL) ||
1066 (sid_mem_nocache == NULL))
1067 {
1068 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
1069 status = NT_STATUS_NO_MEMORY;
1070 goto done;
1071 }
1072 }
1073 else {
1074 (*sid_mem) = NULL;
1075 (*names) = NULL;
1076 (*name_types) = NULL;
1077 }
1078
1079 for (i=0; i<num_members; i++) {
1080 enum lsa_SidType name_type;
1081 char *name, *domain_name;
1082 DOM_SID sid;
1083
1084 rc = ads_get_sid_from_extended_dn(tmp_ctx, members[i], args.val,
1085 &sid);
1086 if (!ADS_ERR_OK(rc)) {
1087 if (NT_STATUS_EQUAL(ads_ntstatus(rc),
1088 NT_STATUS_NOT_FOUND)) {
1089 /* Group members can be objects, like Exchange
1090 * Public Folders, that don't have a SID. Skip
1091 * them. */
1092 continue;
1093 }
1094 else {
1095 status = ads_ntstatus(rc);
1096 goto done;
1097 }
1098 }
1099 if (lookup_cached_sid(mem_ctx, &sid, &domain_name, &name,
1100 &name_type)) {
1101 DEBUG(10,("ads: lookup_groupmem: got sid %s from "
1102 "cache\n", sid_string_dbg(&sid)));
1103 sid_copy(&(*sid_mem)[*num_names], &sid);
1104 (*names)[*num_names] = fill_domain_username_talloc(
1105 *names,
1106 domain_name,
1107 name,
1108 true);
1109
1110 (*name_types)[*num_names] = name_type;
1111 (*num_names)++;
1112 }
1113 else {
1114 DEBUG(10, ("ads: lookup_groupmem: sid %s not found in "
1115 "cache\n", sid_string_dbg(&sid)));
1116 sid_copy(&(sid_mem_nocache)[num_nocache], &sid);
1117 num_nocache++;
1118 }
1119 }
1120
1121 DEBUG(10, ("ads: lookup_groupmem: %d sids found in cache, "
1122 "%d left for lsa_lookupsids\n", *num_names, num_nocache));
1123
1124 /* handle sids not resolved from cache by lsa_lookup_sids */
1125 if (num_nocache > 0) {
1126
1127 status = winbindd_lookup_sids(tmp_ctx,
1128 domain,
1129 num_nocache,
1130 sid_mem_nocache,
1131 &domains_nocache,
1132 &names_nocache,
1133 &name_types_nocache);
1134
1135 if (!(NT_STATUS_IS_OK(status) ||
1136 NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED) ||
1137 NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)))
1138 {
1139 DEBUG(1, ("lsa_lookupsids call failed with %s "
1140 "- retrying...\n", nt_errstr(status)));
1141
1142 status = winbindd_lookup_sids(tmp_ctx,
1143 domain,
1144 num_nocache,
1145 sid_mem_nocache,
1146 &domains_nocache,
1147 &names_nocache,
1148 &name_types_nocache);
1149 }
1150
1151 if (NT_STATUS_IS_OK(status) ||
1152 NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED))
1153 {
1154 /* Copy the entries over from the "_nocache" arrays
1155 * to the result arrays, skipping the gaps the
1156 * lookup_sids call left. */
1157 for (i=0; i < num_nocache; i++) {
1158 if (((names_nocache)[i] != NULL) &&
1159 ((name_types_nocache)[i] != SID_NAME_UNKNOWN))
1160 {
1161 sid_copy(&(*sid_mem)[*num_names],
1162 &sid_mem_nocache[i]);
1163 (*names)[*num_names] =
1164 fill_domain_username_talloc(
1165 *names,
1166 domains_nocache[i],
1167 names_nocache[i],
1168 true);
1169 (*name_types)[*num_names] = name_types_nocache[i];
1170 (*num_names)++;
1171 }
1172 }
1173 }
1174 else if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
1175 DEBUG(10, ("lookup_groupmem: lsa_lookup_sids could "
1176 "not map any SIDs at all.\n"));
1177 /* Don't handle this as an error here.
1178 * There is nothing left to do with respect to the
1179 * overall result... */
1180 }
1181 else if (!NT_STATUS_IS_OK(status)) {
1182 DEBUG(10, ("lookup_groupmem: Error looking up %d "
1183 "sids via rpc_lsa_lookup_sids: %s\n",
1184 (int)num_members, nt_errstr(status)));
1185 goto done;
1186 }
1187 }
1188
1189 status = NT_STATUS_OK;
1190 DEBUG(3,("ads lookup_groupmem for sid=%s succeeded\n",
1191 sid_string_dbg(group_sid)));
1192
1193 done:
1194
1195 TALLOC_FREE(tmp_ctx);
1196
1197 return status;
1198 }
1199
1200 /* find the sequence number for a domain */
1201 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
1202 {
1203 ADS_STRUCT *ads = NULL;
1204 ADS_STATUS rc;
1205
1206 DEBUG(3,("ads: fetch sequence_number for %s\n", domain->name));
1207
1208 if ( !winbindd_can_contact_domain( domain ) ) {
1209 DEBUG(10,("sequence: No incoming trust for domain %s\n",
1210 domain->name));
1211 *seq = time(NULL);
1212 return NT_STATUS_OK;
1213 }
1214
1215 *seq = DOM_SEQUENCE_NONE;
1216
1217 ads = ads_cached_connection(domain);
1218
1219 if (!ads) {
1220 domain->last_status = NT_STATUS_SERVER_DISABLED;
1221 return NT_STATUS_UNSUCCESSFUL;
1222 }
1223
1224 rc = ads_USN(ads, seq);
1225
1226 if (!ADS_ERR_OK(rc)) {
1227
1228 /* its a dead connection, destroy it */
1229
1230 if (domain->private_data) {
1231 ads = (ADS_STRUCT *)domain->private_data;
1232 ads->is_mine = True;
1233 ads_destroy(&ads);
1234 ads_kdestroy("MEMORY:winbind_ccache");
1235 domain->private_data = NULL;
1236 }
1237 }
1238 return ads_ntstatus(rc);
1239 }
1240
1241 /* find the lockout policy of a domain - use rpc methods */
1242 static NTSTATUS lockout_policy(struct winbindd_domain *domain,
1243 TALLOC_CTX *mem_ctx,
1244 struct samr_DomInfo12 *policy)
1245 {
1246 return reconnect_methods.lockout_policy(domain, mem_ctx, policy);
1247 }
1248
1249 /* find the password policy of a domain - use rpc methods */
1250 static NTSTATUS password_policy(struct winbindd_domain *domain,
1251 TALLOC_CTX *mem_ctx,
1252 struct samr_DomInfo1 *policy)
1253 {
1254 return reconnect_methods.password_policy(domain, mem_ctx, policy);
1255 }
1256
1257 /* get a list of trusted domains */
1258 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1259 TALLOC_CTX *mem_ctx,
1260 uint32 *num_domains,
1261 char ***names,
1262 char ***alt_names,
1263 DOM_SID **dom_sids)
1264 {
1265 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1266 struct netr_DomainTrustList trusts;
1267 int i;
1268 uint32 flags;
1269 struct rpc_pipe_client *cli;
1270 uint32 fr_flags = (NETR_TRUST_FLAG_IN_FOREST | NETR_TRUST_FLAG_TREEROOT);
1271 int ret_count;
1272
1273 DEBUG(3,("ads: trusted_domains\n"));
1274
1275 *num_domains = 0;
1276 *alt_names = NULL;
1277 *names = NULL;
1278 *dom_sids = NULL;
1279
1280 /* If this is our primary domain or a root in our forest,
1281 query for all trusts. If not, then just look for domain
1282 trusts in the target forest */
1283
1284 if ( domain->primary ||
1285 ((domain->domain_flags&fr_flags) == fr_flags) )
1286 {
1287 flags = NETR_TRUST_FLAG_OUTBOUND |
1288 NETR_TRUST_FLAG_INBOUND |
1289 NETR_TRUST_FLAG_IN_FOREST;
1290 } else {
1291 flags = NETR_TRUST_FLAG_IN_FOREST;
1292 }
1293
1294 result = cm_connect_netlogon(domain, &cli);
1295
1296 if (!NT_STATUS_IS_OK(result)) {
1297 DEBUG(5, ("trusted_domains: Could not open a connection to %s "
1298 "for PIPE_NETLOGON (%s)\n",
1299 domain->name, nt_errstr(result)));
1300 return NT_STATUS_UNSUCCESSFUL;
1301 }
1302
1303 result = rpccli_netr_DsrEnumerateDomainTrusts(cli, mem_ctx,
1304 cli->desthost,
1305 flags,
1306 &trusts,
1307 NULL);
1308 if ( NT_STATUS_IS_OK(result) && trusts.count) {
1309
1310 /* Allocate memory for trusted domain names and sids */
1311
1312 if ( !(*names = TALLOC_ARRAY(mem_ctx, char *, trusts.count)) ) {
1313 DEBUG(0, ("trusted_domains: out of memory\n"));
1314 return NT_STATUS_NO_MEMORY;
1315 }
1316
1317 if ( !(*alt_names = TALLOC_ARRAY(mem_ctx, char *, trusts.count)) ) {
1318 DEBUG(0, ("trusted_domains: out of memory\n"));
1319 return NT_STATUS_NO_MEMORY;
1320 }
1321
1322 if ( !(*dom_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, trusts.count)) ) {
1323 DEBUG(0, ("trusted_domains: out of memory\n"));
1324 return NT_STATUS_NO_MEMORY;
1325 }
1326
1327 /* Copy across names and sids */
1328
1329
1330 ret_count = 0;
1331 for (i = 0; i < trusts.count; i++) {
1332 struct winbindd_domain d;
1333
1334 ZERO_STRUCT(d);
1335
1336 /* drop external trusts if this is not our primary
1337 domain. This means that the returned number of
1338 domains may be less that the ones actually trusted
1339 by the DC. */
1340
1341 if ( (trusts.array[i].trust_attributes == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) &&
1342 !domain->primary )
1343 {
1344 DEBUG(10,("trusted_domains: Skipping external trusted domain "
1345 "%s because it is outside of our primary domain\n",
1346 trusts.array[i].netbios_name));
1347 continue;
1348 }
1349
1350 /* We must check that the SID of each trusted domain
1351 * was returned to work around a bug in Windows:
1352 * http://support.microsoft.com/kb/922832 */
1353
1354 (*names)[ret_count] = CONST_DISCARD(char *, trusts.array[i].netbios_name);
1355 (*alt_names)[ret_count] = CONST_DISCARD(char *, trusts.array[i].dns_name);
1356 if (trusts.array[i].sid) {
1357 sid_copy(&(*dom_sids)[ret_count], trusts.array[i].sid);
1358 } else {
1359 sid_copy(&(*dom_sids)[ret_count], &global_sid_NULL);
1360 }
1361
1362 /* add to the trusted domain cache */
1363
1364 fstrcpy( d.name, trusts.array[i].netbios_name);
1365 fstrcpy( d.alt_name, trusts.array[i].dns_name);
1366 if (trusts.array[i].sid) {
1367 sid_copy( &d.sid, trusts.array[i].sid);
1368 } else {
1369 sid_copy(&d.sid, &global_sid_NULL);
1370 }
1371
1372 if ( domain->primary ) {
1373 DEBUG(10,("trusted_domains(ads): Searching "
1374 "trusted domain list of %s and storing "
1375 "trust flags for domain %s\n",
1376 domain->name, d.alt_name));
1377
1378 d.domain_flags = trusts.array[i].trust_flags;
1379 d.domain_type = trusts.array[i].trust_type;
1380 d.domain_trust_attribs = trusts.array[i].trust_attributes;
1381
1382 wcache_tdc_add_domain( &d );
1383 ret_count++;
1384 } else if ( (domain->domain_flags&fr_flags) == fr_flags ) {
1385 /* Check if we already have this record. If
1386 * we are following our forest root that is not
1387 * our primary domain, we want to keep trust
1388 * flags from the perspective of our primary
1389 * domain not our forest root. */
1390 struct winbindd_tdc_domain *exist = NULL;
1391
1392 exist =
1393 wcache_tdc_fetch_domain(NULL, trusts.array[i].netbios_name);
1394 if (!exist) {
1395 DEBUG(10,("trusted_domains(ads): Searching "
1396 "trusted domain list of %s and storing "
1397 "trust flags for domain %s\n",
1398 domain->name, d.alt_name));
1399 d.domain_flags = trusts.array[i].trust_flags;
1400 d.domain_type = trusts.array[i].trust_type;
1401 d.domain_trust_attribs = trusts.array[i].trust_attributes;
1402
1403 wcache_tdc_add_domain( &d );
1404 ret_count++;
1405 }
1406 TALLOC_FREE(exist);
1407 } else {
1408 /* This gets a little tricky. If we are
1409 following a transitive forest trust, then
1410 innerit the flags, type, and attribs from
1411 the domain we queried to make sure we don't
1412 record the view of the trust from the wrong
1413 side. Always view it from the side of our
1414 primary domain. --jerry */
1415 struct winbindd_tdc_domain *parent = NULL;
1416
1417 DEBUG(10,("trusted_domains(ads): Searching "
1418 "trusted domain list of %s and inheriting "
1419 "trust flags for domain %s\n",
1420 domain->name, d.alt_name));
1421
1422 parent = wcache_tdc_fetch_domain(NULL, domain->name);
1423 if (parent) {
1424 d.domain_flags = parent->trust_flags;
1425 d.domain_type = parent->trust_type;
1426 d.domain_trust_attribs = parent->trust_attribs;
1427 } else {
1428 d.domain_flags = domain->domain_flags;
1429 d.domain_type = domain->domain_type;
1430 d.domain_trust_attribs = domain->domain_trust_attribs;
1431 }
1432 TALLOC_FREE(parent);
1433
1434 wcache_tdc_add_domain( &d );
1435 ret_count++;
1436 }
1437 }
1438
1439 *num_domains = ret_count;
1440 }
1441
1442 return result;
1443 }
1444
1445 /* the ADS backend methods are exposed via this structure */
1446 struct winbindd_methods ads_methods = {
1447 True,
1448 query_user_list,
1449 enum_dom_groups,
1450 enum_local_groups,
1451 name_to_sid,
1452 sid_to_name,
1453 rids_to_names,
1454 query_user,
1455 lookup_usergroups,
1456 lookup_useraliases,
1457 lookup_groupmem,
1458 sequence_number,
1459 lockout_policy,
1460 password_policy,
1461 trusted_domains,
1462 };
1463
1464 #endif
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