source: branches/samba-3.3.x/source/winbindd/winbindd_ads.c

Last change on this file was 342, checked in by Herwig Bauernfeind, 16 years ago

Update 3.3 to 3.3.9
File size: 39.6 KB
Line 
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
32extern 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*/
38static 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 */
153static 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
254done:
255 if (res)
256 ads_msgfree(ads, res);
257
258 return status;
259}
260
261/* list all domain groups */
262static 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
376done:
377 if (res)
378 ads_msgfree(ads, res);
379
380 return status;
381}
382
383/* list all domain local groups */
384static 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 */
405static NTSTATUS name_to_sid(struct winbindd_domain *domain,
406 TALLOC_CTX *mem_ctx,
407 enum winbindd_cmd orig_cmd,
408 const char *domain_name,
409 const char *name,
410 DOM_SID *sid,
411 enum lsa_SidType *type)
412{
413 return reconnect_methods.name_to_sid(domain, mem_ctx, orig_cmd,
414 domain_name, name,
415 sid, type);
416}
417
418/* convert a domain SID to a user or group name - use rpc methods */
419static 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 */
431static 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 */
451static NTSTATUS query_user(struct winbindd_domain *domain,
452 TALLOC_CTX *mem_ctx,
453 const DOM_SID *sid,
454 WINBIND_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
467 DEBUG(3,("ads: query_user\n"));
468
469 info->homedir = NULL;
470 info->shell = NULL;
471 info->primary_gid = (gid_t)-1;
472
473 /* try netsamlogon cache first */
474
475 if ( (user = netsamlogon_cache_get( mem_ctx, sid )) != NULL )
476 {
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 &info->primary_gid );
490
491 TALLOC_FREE(user);
492
493 return NT_STATUS_OK;
494 }
495
496 if ( !winbindd_can_contact_domain(domain)) {
497 DEBUG(8,("query_user: No incoming trust from domain %s\n",
498 domain->name));
499
500 /* We still need to generate some basic information
501 about the user even if we cannot contact the
502 domain. Most of this stuff we can deduce. */
503
504 sid_copy( &info->user_sid, sid );
505
506 /* Assume "Domain Users" for the primary group */
507
508 sid_compose(&info->group_sid, &domain->sid, DOMAIN_GROUP_RID_USERS );
509
510 /* Try to fill in what the nss_info backend can do */
511
512 nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
513 &info->homedir, &info->shell, &info->full_name,
514 &info->primary_gid );
515
516 status = NT_STATUS_OK;
517 goto done;
518 }
519
520 /* no cache...do the query */
521
522 if ( (ads = ads_cached_connection(domain)) == NULL ) {
523 domain->last_status = NT_STATUS_SERVER_DISABLED;
524 goto done;
525 }
526
527 sidstr = sid_binstring(sid);
528 if (asprintf(&ldap_exp, "(objectSid=%s)", sidstr) == -1) {
529 status = NT_STATUS_NO_MEMORY;
530 goto done;
531 }
532 rc = ads_search_retry(ads, &msg, ldap_exp, attrs);
533 free(ldap_exp);
534 free(sidstr);
535 if (!ADS_ERR_OK(rc) || !msg) {
536 DEBUG(1,("query_user(sid=%s) ads_search: %s\n",
537 sid_string_dbg(sid), ads_errstr(rc)));
538 goto done;
539 }
540
541 count = ads_count_replies(ads, msg);
542 if (count != 1) {
543 DEBUG(1,("query_user(sid=%s): Not found\n",
544 sid_string_dbg(sid)));
545 goto done;
546 }
547
548 info->acct_name = ads_pull_username(ads, mem_ctx, msg);
549
550 nss_get_info_cached( domain, sid, mem_ctx, ads, msg,
551 &info->homedir, &info->shell, &info->full_name,
552 &info->primary_gid );
553
554 if (info->full_name == NULL) {
555 info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
556 }
557
558 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group_rid)) {
559 DEBUG(1,("No primary group for %s !?\n",
560 sid_string_dbg(sid)));
561 goto done;
562 }
563
564 sid_copy(&info->user_sid, sid);
565 sid_compose(&info->group_sid, &domain->sid, group_rid);
566
567 status = NT_STATUS_OK;
568
569 DEBUG(3,("ads query_user gave %s\n", info->acct_name));
570done:
571 if (msg)
572 ads_msgfree(ads, msg);
573
574 return status;
575}
576
577/* Lookup groups a user is a member of - alternate method, for when
578 tokenGroups are not available. */
579static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
580 TALLOC_CTX *mem_ctx,
581 const char *user_dn,
582 DOM_SID *primary_group,
583 size_t *p_num_groups, DOM_SID **user_sids)
584{
585 ADS_STATUS rc;
586 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
587 int count;
588 LDAPMessage *res = NULL;
589 LDAPMessage *msg = NULL;
590 char *ldap_exp;
591 ADS_STRUCT *ads;
592 const char *group_attrs[] = {"objectSid", NULL};
593 char *escaped_dn;
594 size_t num_groups = 0;
595
596 DEBUG(3,("ads: lookup_usergroups_member\n"));
597
598 if ( !winbindd_can_contact_domain( domain ) ) {
599 DEBUG(10,("lookup_usergroups_members: No incoming trust for domain %s\n",
600 domain->name));
601 return NT_STATUS_OK;
602 }
603
604 ads = ads_cached_connection(domain);
605
606 if (!ads) {
607 domain->last_status = NT_STATUS_SERVER_DISABLED;
608 goto done;
609 }
610
611 if (!(escaped_dn = escape_ldap_string_alloc(user_dn))) {
612 status = NT_STATUS_NO_MEMORY;
613 goto done;
614 }
615
616 ldap_exp = talloc_asprintf(mem_ctx,
617 "(&(member=%s)(objectCategory=group)(groupType:dn:%s:=%d))",
618 escaped_dn,
619 ADS_LDAP_MATCHING_RULE_BIT_AND,
620 GROUP_TYPE_SECURITY_ENABLED);
621 if (!ldap_exp) {
622 DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
623 SAFE_FREE(escaped_dn);
624 status = NT_STATUS_NO_MEMORY;
625 goto done;
626 }
627
628 SAFE_FREE(escaped_dn);
629
630 rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);
631
632 if (!ADS_ERR_OK(rc) || !res) {
633 DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc)));
634 return ads_ntstatus(rc);
635 }
636
637 count = ads_count_replies(ads, res);
638
639 *user_sids = NULL;
640 num_groups = 0;
641
642 /* always add the primary group to the sid array */
643 status = add_sid_to_array(mem_ctx, primary_group, user_sids,
644 &num_groups);
645 if (!NT_STATUS_IS_OK(status)) {
646 goto done;
647 }
648
649 if (count > 0) {
650 for (msg = ads_first_entry(ads, res); msg;
651 msg = ads_next_entry(ads, msg)) {
652 DOM_SID group_sid;
653
654 if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
655 DEBUG(1,("No sid for this group ?!?\n"));
656 continue;
657 }
658
659 /* ignore Builtin groups from ADS - Guenther */
660 if (sid_check_is_in_builtin(&group_sid)) {
661 continue;
662 }
663
664 status = add_sid_to_array(mem_ctx, &group_sid,
665 user_sids, &num_groups);
666 if (!NT_STATUS_IS_OK(status)) {
667 goto done;
668 }
669 }
670
671 }
672
673 *p_num_groups = num_groups;
674 status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
675
676 DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn));
677done:
678 if (res)
679 ads_msgfree(ads, res);
680
681 return status;
682}
683
684/* Lookup groups a user is a member of - alternate method, for when
685 tokenGroups are not available. */
686static NTSTATUS lookup_usergroups_memberof(struct winbindd_domain *domain,
687 TALLOC_CTX *mem_ctx,
688 const char *user_dn,
689 DOM_SID *primary_group,
690 size_t *p_num_groups,
691 DOM_SID **user_sids)
692{
693 ADS_STATUS rc;
694 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
695 ADS_STRUCT *ads;
696 const char *attrs[] = {"memberOf", NULL};
697 size_t num_groups = 0;
698 DOM_SID *group_sids = NULL;
699 int i;
700 char **strings = NULL;
701 size_t num_strings = 0, num_sids = 0;
702
703
704 DEBUG(3,("ads: lookup_usergroups_memberof\n"));
705
706 if ( !winbindd_can_contact_domain( domain ) ) {
707 DEBUG(10,("lookup_usergroups_memberof: No incoming trust for "
708 "domain %s\n", domain->name));
709 return NT_STATUS_OK;
710 }
711
712 ads = ads_cached_connection(domain);
713
714 if (!ads) {
715 domain->last_status = NT_STATUS_SERVER_DISABLED;
716 return NT_STATUS_UNSUCCESSFUL;
717 }
718
719 rc = ads_search_retry_extended_dn_ranged(ads, mem_ctx, user_dn, attrs,
720 ADS_EXTENDED_DN_HEX_STRING,
721 &strings, &num_strings);
722
723 if (!ADS_ERR_OK(rc)) {
724 DEBUG(1,("lookup_usergroups_memberof ads_search "
725 "member=%s: %s\n", user_dn, ads_errstr(rc)));
726 return ads_ntstatus(rc);
727 }
728
729 *user_sids = NULL;
730 num_groups = 0;
731
732 /* always add the primary group to the sid array */
733 status = add_sid_to_array(mem_ctx, primary_group, user_sids,
734 &num_groups);
735 if (!NT_STATUS_IS_OK(status)) {
736 goto done;
737 }
738
739 group_sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_strings + 1);
740 if (!group_sids) {
741 status = NT_STATUS_NO_MEMORY;
742 goto done;
743 }
744
745 for (i=0; i<num_strings; i++) {
746 rc = ads_get_sid_from_extended_dn(mem_ctx, strings[i],
747 ADS_EXTENDED_DN_HEX_STRING,
748 &(group_sids)[i]);
749 if (!ADS_ERR_OK(rc)) {
750 /* ignore members without SIDs */
751 if (NT_STATUS_EQUAL(ads_ntstatus(rc),
752 NT_STATUS_NOT_FOUND)) {
753 continue;
754 }
755 else {
756 status = ads_ntstatus(rc);
757 goto done;
758 }
759 }
760 num_sids++;
761 }
762
763 if (i == 0) {
764 DEBUG(1,("No memberOf for this user?!?\n"));
765 status = NT_STATUS_NO_MEMORY;
766 goto done;
767 }
768
769 for (i=0; i<num_sids; i++) {
770
771 /* ignore Builtin groups from ADS - Guenther */
772 if (sid_check_is_in_builtin(&group_sids[i])) {
773 continue;
774 }
775
776 status = add_sid_to_array(mem_ctx, &group_sids[i], user_sids,
777 &num_groups);
778 if (!NT_STATUS_IS_OK(status)) {
779 goto done;
780 }
781
782 }
783
784 *p_num_groups = num_groups;
785 status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
786
787 DEBUG(3,("ads lookup_usergroups (memberof) succeeded for dn=%s\n",
788 user_dn));
789
790done:
791 TALLOC_FREE(strings);
792 TALLOC_FREE(group_sids);
793
794 return status;
795}
796
797
798/* Lookup groups a user is a member of. */
799static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
800 TALLOC_CTX *mem_ctx,
801 const DOM_SID *sid,
802 uint32 *p_num_groups, DOM_SID **user_sids)
803{
804 ADS_STRUCT *ads = NULL;
805 const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
806 ADS_STATUS rc;
807 int count;
808 LDAPMessage *msg = NULL;
809 char *user_dn = NULL;
810 DOM_SID *sids;
811 int i;
812 DOM_SID primary_group;
813 uint32 primary_group_rid;
814 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
815 size_t num_groups = 0;
816
817 DEBUG(3,("ads: lookup_usergroups\n"));
818 *p_num_groups = 0;
819
820 status = lookup_usergroups_cached(domain, mem_ctx, sid,
821 p_num_groups, user_sids);
822 if (NT_STATUS_IS_OK(status)) {
823 return NT_STATUS_OK;
824 }
825
826 if ( !winbindd_can_contact_domain( domain ) ) {
827 DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
828 domain->name));
829
830 /* Tell the cache manager not to remember this one */
831
832 return NT_STATUS_SYNCHRONIZATION_REQUIRED;
833 }
834
835 ads = ads_cached_connection(domain);
836
837 if (!ads) {
838 domain->last_status = NT_STATUS_SERVER_DISABLED;
839 status = NT_STATUS_SERVER_DISABLED;
840 goto done;
841 }
842
843 rc = ads_search_retry_sid(ads, &msg, sid, attrs);
844
845 if (!ADS_ERR_OK(rc)) {
846 status = ads_ntstatus(rc);
847 DEBUG(1, ("lookup_usergroups(sid=%s) ads_search tokenGroups: "
848 "%s\n", sid_string_dbg(sid), ads_errstr(rc)));
849 goto done;
850 }
851
852 count = ads_count_replies(ads, msg);
853 if (count != 1) {
854 status = NT_STATUS_UNSUCCESSFUL;
855 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: "
856 "invalid number of results (count=%d)\n",
857 sid_string_dbg(sid), count));
858 goto done;
859 }
860
861 if (!msg) {
862 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
863 sid_string_dbg(sid)));
864 status = NT_STATUS_UNSUCCESSFUL;
865 goto done;
866 }
867
868 user_dn = ads_get_dn(ads, msg);
869 if (user_dn == NULL) {
870 status = NT_STATUS_NO_MEMORY;
871 goto done;
872 }
873
874 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &primary_group_rid)) {
875 DEBUG(1,("%s: No primary group for sid=%s !?\n",
876 domain->name, sid_string_dbg(sid)));
877 goto done;
878 }
879
880 sid_copy(&primary_group, &domain->sid);
881 sid_append_rid(&primary_group, primary_group_rid);
882
883 count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids);
884
885 /* there must always be at least one group in the token,
886 unless we are talking to a buggy Win2k server */
887
888 /* actually this only happens when the machine account has no read
889 * permissions on the tokenGroup attribute - gd */
890
891 if (count == 0) {
892
893 /* no tokenGroups */
894
895 /* lookup what groups this user is a member of by DN search on
896 * "memberOf" */
897
898 status = lookup_usergroups_memberof(domain, mem_ctx, user_dn,
899 &primary_group,
900 &num_groups, user_sids);
901 *p_num_groups = (uint32)num_groups;
902 if (NT_STATUS_IS_OK(status)) {
903 goto done;
904 }
905
906 /* lookup what groups this user is a member of by DN search on
907 * "member" */
908
909 status = lookup_usergroups_member(domain, mem_ctx, user_dn,
910 &primary_group,
911 &num_groups, user_sids);
912 *p_num_groups = (uint32)num_groups;
913 goto done;
914 }
915
916 *user_sids = NULL;
917 num_groups = 0;
918
919 status = add_sid_to_array(mem_ctx, &primary_group, user_sids,
920 &num_groups);
921 if (!NT_STATUS_IS_OK(status)) {
922 goto done;
923 }
924
925 for (i=0;i<count;i++) {
926
927 /* ignore Builtin groups from ADS - Guenther */
928 if (sid_check_is_in_builtin(&sids[i])) {
929 continue;
930 }
931
932 status = add_sid_to_array_unique(mem_ctx, &sids[i],
933 user_sids, &num_groups);
934 if (!NT_STATUS_IS_OK(status)) {
935 goto done;
936 }
937 }
938
939 *p_num_groups = (uint32)num_groups;
940 status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
941
942 DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
943 sid_string_dbg(sid)));
944done:
945 ads_memfree(ads, user_dn);
946 ads_msgfree(ads, msg);
947 return status;
948}
949
950/* Lookup aliases a user is member of - use rpc methods */
951static NTSTATUS lookup_useraliases(struct winbindd_domain *domain,
952 TALLOC_CTX *mem_ctx,
953 uint32 num_sids, const DOM_SID *sids,
954 uint32 *num_aliases, uint32 **alias_rids)
955{
956 return reconnect_methods.lookup_useraliases(domain, mem_ctx,
957 num_sids, sids,
958 num_aliases,
959 alias_rids);
960}
961
962/*
963 find the members of a group, given a group rid and domain
964 */
965static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
966 TALLOC_CTX *mem_ctx,
967 const DOM_SID *group_sid, uint32 *num_names,
968 DOM_SID **sid_mem, char ***names,
969 uint32 **name_types)
970{
971 ADS_STATUS rc;
972 ADS_STRUCT *ads = NULL;
973 char *ldap_exp;
974 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
975 char *sidbinstr;
976 char **members = NULL;
977 int i;
978 size_t num_members = 0;
979 ads_control args;
980 DOM_SID *sid_mem_nocache = NULL;
981 char **names_nocache = NULL;
982 enum lsa_SidType *name_types_nocache = NULL;
983 char **domains_nocache = NULL; /* only needed for rpccli_lsa_lookup_sids */
984 uint32 num_nocache = 0;
985 TALLOC_CTX *tmp_ctx = NULL;
986
987 DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name,
988 sid_string_dbg(group_sid)));
989
990 *num_names = 0;
991
992 tmp_ctx = talloc_new(mem_ctx);
993 if (!tmp_ctx) {
994 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
995 status = NT_STATUS_NO_MEMORY;
996 goto done;
997 }
998
999 if ( !winbindd_can_contact_domain( domain ) ) {
1000 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
1001 domain->name));
1002 return NT_STATUS_OK;
1003 }
1004
1005 ads = ads_cached_connection(domain);
1006
1007 if (!ads) {
1008 domain->last_status = NT_STATUS_SERVER_DISABLED;
1009 goto done;
1010 }
1011
1012 if ((sidbinstr = sid_binstring(group_sid)) == NULL) {
1013 status = NT_STATUS_NO_MEMORY;
1014 goto done;
1015 }
1016
1017 /* search for all members of the group */
1018 if (!(ldap_exp = talloc_asprintf(tmp_ctx, "(objectSid=%s)",
1019 sidbinstr)))
1020 {
1021 SAFE_FREE(sidbinstr);
1022 DEBUG(1, ("ads: lookup_groupmem: talloc_asprintf for ldap_exp failed!\n"));
1023 status = NT_STATUS_NO_MEMORY;
1024 goto done;
1025 }
1026 SAFE_FREE(sidbinstr);
1027
1028 args.control = ADS_EXTENDED_DN_OID;
1029 args.val = ADS_EXTENDED_DN_HEX_STRING;
1030 args.critical = True;
1031
1032 rc = ads_ranged_search(ads, tmp_ctx, LDAP_SCOPE_SUBTREE, ads->config.bind_path,
1033 ldap_exp, &args, "member", &members, &num_members);
1034
1035 if (!ADS_ERR_OK(rc)) {
1036 DEBUG(0,("ads_ranged_search failed with: %s\n", ads_errstr(rc)));
1037 status = NT_STATUS_UNSUCCESSFUL;
1038 goto done;
1039 }
1040
1041 DEBUG(10, ("ads lookup_groupmem: got %d sids via extended dn call\n", (int)num_members));
1042
1043 /* Now that we have a list of sids, we need to get the
1044 * lists of names and name_types belonging to these sids.
1045 * even though conceptually not quite clean, we use the
1046 * RPC call lsa_lookup_sids for this since it can handle a
1047 * list of sids. ldap calls can just resolve one sid at a time.
1048 *
1049 * At this stage, the sids are still hidden in the exetended dn
1050 * member output format. We actually do a little better than
1051 * stated above: In extracting the sids from the member strings,
1052 * we try to resolve as many sids as possible from the
1053 * cache. Only the rest is passed to the lsa_lookup_sids call. */
1054
1055 if (num_members) {
1056 (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_members);
1057 (*names) = TALLOC_ZERO_ARRAY(mem_ctx, char *, num_members);
1058 (*name_types) = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_members);
1059 (sid_mem_nocache) = TALLOC_ZERO_ARRAY(tmp_ctx, DOM_SID, num_members);
1060
1061 if ((members == NULL) || (*sid_mem == NULL) ||
1062 (*names == NULL) || (*name_types == NULL) ||
1063 (sid_mem_nocache == NULL))
1064 {
1065 DEBUG(1, ("ads: lookup_groupmem: talloc failed\n"));
1066 status = NT_STATUS_NO_MEMORY;
1067 goto done;
1068 }
1069 }
1070 else {
1071 (*sid_mem) = NULL;
1072 (*names) = NULL;
1073 (*name_types) = NULL;
1074 }
1075
1076 for (i=0; i<num_members; i++) {
1077 enum lsa_SidType name_type;
1078 char *name, *domain_name;
1079 DOM_SID sid;
1080
1081 rc = ads_get_sid_from_extended_dn(tmp_ctx, members[i], args.val,
1082 &sid);
1083 if (!ADS_ERR_OK(rc)) {
1084 if (NT_STATUS_EQUAL(ads_ntstatus(rc),
1085 NT_STATUS_NOT_FOUND)) {
1086 /* Group members can be objects, like Exchange
1087 * Public Folders, that don't have a SID. Skip
1088 * them. */
1089 continue;
1090 }
1091 else {
1092 status = ads_ntstatus(rc);
1093 goto done;
1094 }
1095 }
1096 if (lookup_cached_sid(mem_ctx, &sid, &domain_name, &name,
1097 &name_type)) {
1098 DEBUG(10,("ads: lookup_groupmem: got sid %s from "
1099 "cache\n", sid_string_dbg(&sid)));
1100 sid_copy(&(*sid_mem)[*num_names], &sid);
1101 (*names)[*num_names] = fill_domain_username_talloc(
1102 *names,
1103 domain_name,
1104 name,
1105 true);
1106
1107 (*name_types)[*num_names] = name_type;
1108 (*num_names)++;
1109 }
1110 else {
1111 DEBUG(10, ("ads: lookup_groupmem: sid %s not found in "
1112 "cache\n", sid_string_dbg(&sid)));
1113 sid_copy(&(sid_mem_nocache)[num_nocache], &sid);
1114 num_nocache++;
1115 }
1116 }
1117
1118 DEBUG(10, ("ads: lookup_groupmem: %d sids found in cache, "
1119 "%d left for lsa_lookupsids\n", *num_names, num_nocache));
1120
1121 /* handle sids not resolved from cache by lsa_lookup_sids */
1122 if (num_nocache > 0) {
1123
1124 status = winbindd_lookup_sids(tmp_ctx,
1125 domain,
1126 num_nocache,
1127 sid_mem_nocache,
1128 &domains_nocache,
1129 &names_nocache,
1130 &name_types_nocache);
1131
1132 if (!(NT_STATUS_IS_OK(status) ||
1133 NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED) ||
1134 NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)))
1135 {
1136 DEBUG(1, ("lsa_lookupsids call failed with %s "
1137 "- retrying...\n", nt_errstr(status)));
1138
1139 status = winbindd_lookup_sids(tmp_ctx,
1140 domain,
1141 num_nocache,
1142 sid_mem_nocache,
1143 &domains_nocache,
1144 &names_nocache,
1145 &name_types_nocache);
1146 }
1147
1148 if (NT_STATUS_IS_OK(status) ||
1149 NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED))
1150 {
1151 /* Copy the entries over from the "_nocache" arrays
1152 * to the result arrays, skipping the gaps the
1153 * lookup_sids call left. */
1154 for (i=0; i < num_nocache; i++) {
1155 if (((names_nocache)[i] != NULL) &&
1156 ((name_types_nocache)[i] != SID_NAME_UNKNOWN))
1157 {
1158 sid_copy(&(*sid_mem)[*num_names],
1159 &sid_mem_nocache[i]);
1160 (*names)[*num_names] =
1161 fill_domain_username_talloc(
1162 *names,
1163 domains_nocache[i],
1164 names_nocache[i],
1165 true);
1166 (*name_types)[*num_names] = name_types_nocache[i];
1167 (*num_names)++;
1168 }
1169 }
1170 }
1171 else if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
1172 DEBUG(10, ("lookup_groupmem: lsa_lookup_sids could "
1173 "not map any SIDs at all.\n"));
1174 /* Don't handle this as an error here.
1175 * There is nothing left to do with respect to the
1176 * overall result... */
1177 }
1178 else if (!NT_STATUS_IS_OK(status)) {
1179 DEBUG(10, ("lookup_groupmem: Error looking up %d "
1180 "sids via rpc_lsa_lookup_sids: %s\n",
1181 (int)num_members, nt_errstr(status)));
1182 goto done;
1183 }
1184 }
1185
1186 status = NT_STATUS_OK;
1187 DEBUG(3,("ads lookup_groupmem for sid=%s succeeded\n",
1188 sid_string_dbg(group_sid)));
1189
1190done:
1191
1192 TALLOC_FREE(tmp_ctx);
1193
1194 return status;
1195}
1196
1197/* find the sequence number for a domain */
1198static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
1199{
1200 ADS_STRUCT *ads = NULL;
1201 ADS_STATUS rc;
1202
1203 DEBUG(3,("ads: fetch sequence_number for %s\n", domain->name));
1204
1205 if ( !winbindd_can_contact_domain( domain ) ) {
1206 DEBUG(10,("sequence: No incoming trust for domain %s\n",
1207 domain->name));
1208 *seq = time(NULL);
1209 return NT_STATUS_OK;
1210 }
1211
1212 *seq = DOM_SEQUENCE_NONE;
1213
1214 ads = ads_cached_connection(domain);
1215
1216 if (!ads) {
1217 domain->last_status = NT_STATUS_SERVER_DISABLED;
1218 return NT_STATUS_UNSUCCESSFUL;
1219 }
1220
1221 rc = ads_USN(ads, seq);
1222
1223 if (!ADS_ERR_OK(rc)) {
1224
1225 /* its a dead connection, destroy it */
1226
1227 if (domain->private_data) {
1228 ads = (ADS_STRUCT *)domain->private_data;
1229 ads->is_mine = True;
1230 ads_destroy(&ads);
1231 ads_kdestroy("MEMORY:winbind_ccache");
1232 domain->private_data = NULL;
1233 }
1234 }
1235 return ads_ntstatus(rc);
1236}
1237
1238/* find the lockout policy of a domain - use rpc methods */
1239static NTSTATUS lockout_policy(struct winbindd_domain *domain,
1240 TALLOC_CTX *mem_ctx,
1241 struct samr_DomInfo12 *policy)
1242{
1243 return reconnect_methods.lockout_policy(domain, mem_ctx, policy);
1244}
1245
1246/* find the password policy of a domain - use rpc methods */
1247static NTSTATUS password_policy(struct winbindd_domain *domain,
1248 TALLOC_CTX *mem_ctx,
1249 struct samr_DomInfo1 *policy)
1250{
1251 return reconnect_methods.password_policy(domain, mem_ctx, policy);
1252}
1253
1254/* get a list of trusted domains */
1255static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1256 TALLOC_CTX *mem_ctx,
1257 uint32 *num_domains,
1258 char ***names,
1259 char ***alt_names,
1260 DOM_SID **dom_sids)
1261{
1262 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1263 struct netr_DomainTrustList trusts;
1264 int i;
1265 uint32 flags;
1266 struct rpc_pipe_client *cli;
1267 uint32 fr_flags = (NETR_TRUST_FLAG_IN_FOREST | NETR_TRUST_FLAG_TREEROOT);
1268 int ret_count;
1269
1270 DEBUG(3,("ads: trusted_domains\n"));
1271
1272 *num_domains = 0;
1273 *alt_names = NULL;
1274 *names = NULL;
1275 *dom_sids = NULL;
1276
1277 /* If this is our primary domain or a root in our forest,
1278 query for all trusts. If not, then just look for domain
1279 trusts in the target forest */
1280
1281 if ( domain->primary ||
1282 ((domain->domain_flags&fr_flags) == fr_flags) )
1283 {
1284 flags = NETR_TRUST_FLAG_OUTBOUND |
1285 NETR_TRUST_FLAG_INBOUND |
1286 NETR_TRUST_FLAG_IN_FOREST;
1287 } else {
1288 flags = NETR_TRUST_FLAG_IN_FOREST;
1289 }
1290
1291 result = cm_connect_netlogon(domain, &cli);
1292
1293 if (!NT_STATUS_IS_OK(result)) {
1294 DEBUG(5, ("trusted_domains: Could not open a connection to %s "
1295 "for PIPE_NETLOGON (%s)\n",
1296 domain->name, nt_errstr(result)));
1297 return NT_STATUS_UNSUCCESSFUL;
1298 }
1299
1300 result = rpccli_netr_DsrEnumerateDomainTrusts(cli, mem_ctx,
1301 cli->desthost,
1302 flags,
1303 &trusts,
1304 NULL);
1305 if ( NT_STATUS_IS_OK(result) && trusts.count) {
1306
1307 /* Allocate memory for trusted domain names and sids */
1308
1309 if ( !(*names = TALLOC_ARRAY(mem_ctx, char *, trusts.count)) ) {
1310 DEBUG(0, ("trusted_domains: out of memory\n"));
1311 return NT_STATUS_NO_MEMORY;
1312 }
1313
1314 if ( !(*alt_names = TALLOC_ARRAY(mem_ctx, char *, trusts.count)) ) {
1315 DEBUG(0, ("trusted_domains: out of memory\n"));
1316 return NT_STATUS_NO_MEMORY;
1317 }
1318
1319 if ( !(*dom_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, trusts.count)) ) {
1320 DEBUG(0, ("trusted_domains: out of memory\n"));
1321 return NT_STATUS_NO_MEMORY;
1322 }
1323
1324 /* Copy across names and sids */
1325
1326
1327 ret_count = 0;
1328 for (i = 0; i < trusts.count; i++) {
1329 struct winbindd_domain d;
1330
1331 ZERO_STRUCT(d);
1332
1333 /* drop external trusts if this is not our primary
1334 domain. This means that the returned number of
1335 domains may be less that the ones actually trusted
1336 by the DC. */
1337
1338 if ( (trusts.array[i].trust_attributes == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) &&
1339 !domain->primary )
1340 {
1341 DEBUG(10,("trusted_domains: Skipping external trusted domain "
1342 "%s because it is outside of our primary domain\n",
1343 trusts.array[i].netbios_name));
1344 continue;
1345 }
1346
1347 (*names)[ret_count] = CONST_DISCARD(char *, trusts.array[i].netbios_name);
1348 (*alt_names)[ret_count] = CONST_DISCARD(char *, trusts.array[i].dns_name);
1349 if (trusts.array[i].sid) {
1350 sid_copy(&(*dom_sids)[ret_count], trusts.array[i].sid);
1351 } else {
1352 sid_copy(&(*dom_sids)[ret_count], &global_sid_NULL);
1353 }
1354
1355 /* add to the trusted domain cache */
1356
1357 fstrcpy( d.name, trusts.array[i].netbios_name);
1358 fstrcpy( d.alt_name, trusts.array[i].dns_name);
1359 if (trusts.array[i].sid) {
1360 sid_copy( &d.sid, trusts.array[i].sid);
1361 } else {
1362 sid_copy(&d.sid, &global_sid_NULL);
1363 }
1364
1365 if ( domain->primary ) {
1366 DEBUG(10,("trusted_domains(ads): Searching "
1367 "trusted domain list of %s and storing "
1368 "trust flags for domain %s\n",
1369 domain->name, d.alt_name));
1370
1371 d.domain_flags = trusts.array[i].trust_flags;
1372 d.domain_type = trusts.array[i].trust_type;
1373 d.domain_trust_attribs = trusts.array[i].trust_attributes;
1374
1375 wcache_tdc_add_domain( &d );
1376 ret_count++;
1377 } else if ( (domain->domain_flags&fr_flags) == fr_flags ) {
1378 /* Check if we already have this record. If
1379 * we are following our forest root that is not
1380 * our primary domain, we want to keep trust
1381 * flags from the perspective of our primary
1382 * domain not our forest root. */
1383 struct winbindd_tdc_domain *exist = NULL;
1384
1385 exist =
1386 wcache_tdc_fetch_domain(NULL, trusts.array[i].netbios_name);
1387 if (!exist) {
1388 DEBUG(10,("trusted_domains(ads): Searching "
1389 "trusted domain list of %s and storing "
1390 "trust flags for domain %s\n",
1391 domain->name, d.alt_name));
1392 d.domain_flags = trusts.array[i].trust_flags;
1393 d.domain_type = trusts.array[i].trust_type;
1394 d.domain_trust_attribs = trusts.array[i].trust_attributes;
1395
1396 wcache_tdc_add_domain( &d );
1397 ret_count++;
1398 }
1399 TALLOC_FREE(exist);
1400 } else {
1401 /* This gets a little tricky. If we are
1402 following a transitive forest trust, then
1403 innerit the flags, type, and attribs from
1404 the domain we queried to make sure we don't
1405 record the view of the trust from the wrong
1406 side. Always view it from the side of our
1407 primary domain. --jerry */
1408 struct winbindd_tdc_domain *parent = NULL;
1409
1410 DEBUG(10,("trusted_domains(ads): Searching "
1411 "trusted domain list of %s and inheriting "
1412 "trust flags for domain %s\n",
1413 domain->name, d.alt_name));
1414
1415 parent = wcache_tdc_fetch_domain(NULL, domain->name);
1416 if (parent) {
1417 d.domain_flags = parent->trust_flags;
1418 d.domain_type = parent->trust_type;
1419 d.domain_trust_attribs = parent->trust_attribs;
1420 } else {
1421 d.domain_flags = domain->domain_flags;
1422 d.domain_type = domain->domain_type;
1423 d.domain_trust_attribs = domain->domain_trust_attribs;
1424 }
1425 TALLOC_FREE(parent);
1426
1427 wcache_tdc_add_domain( &d );
1428 ret_count++;
1429 }
1430 }
1431
1432 *num_domains = ret_count;
1433 }
1434
1435 return result;
1436}
1437
1438/* the ADS backend methods are exposed via this structure */
1439struct winbindd_methods ads_methods = {
1440 True,
1441 query_user_list,
1442 enum_dom_groups,
1443 enum_local_groups,
1444 name_to_sid,
1445 sid_to_name,
1446 rids_to_names,
1447 query_user,
1448 lookup_usergroups,
1449 lookup_useraliases,
1450 lookup_groupmem,
1451 sequence_number,
1452 lockout_policy,
1453 password_policy,
1454 trusted_domains,
1455};
1456
1457#endif
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