?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
WHATSNEW: Update changes since 3.3.0pre1 and release date.
[Samba.git] / source / winbindd / winbindd_rpc.c
blobdf80ad80297c8c3a2e5f18152aa0174581ba834f
1 /*
2 Unix SMB/CIFS implementation.
3
4 Winbind rpc backend functions
5
6 Copyright (C) Tim Potter 2000-2001,2003
7 Copyright (C) Andrew Tridgell 2001
8 Copyright (C) Volker Lendecke 2005
9 Copyright (C) Guenther Deschner 2008 (pidl conversion)
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "includes.h"
26 #include "winbindd.h"
27
28 #undef DBGC_CLASS
29 #define DBGC_CLASS DBGC_WINBIND
30
31
32 /* Query display info for a domain. This returns enough information plus a
33 bit extra to give an overview of domain users for the User Manager
34 application. */
35 static NTSTATUS query_user_list(struct winbindd_domain *domain,
36 TALLOC_CTX *mem_ctx,
37 uint32 *num_entries,
38 WINBIND_USERINFO **info)
39 {
40 NTSTATUS result;
41 POLICY_HND dom_pol;
42 unsigned int i, start_idx;
43 uint32 loop_count;
44 struct rpc_pipe_client *cli;
45
46 DEBUG(3,("rpc: query_user_list\n"));
47
48 *num_entries = 0;
49 *info = NULL;
50
51 if ( !winbindd_can_contact_domain( domain ) ) {
52 DEBUG(10,("query_user_list: No incoming trust for domain %s\n",
53 domain->name));
54 return NT_STATUS_OK;
55 }
56
57 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
58 if (!NT_STATUS_IS_OK(result))
59 return result;
60
61 i = start_idx = 0;
62 loop_count = 0;
63
64 do {
65 uint32 num_dom_users, j;
66 uint32 max_entries, max_size;
67 uint32_t total_size, returned_size;
68
69 union samr_DispInfo disp_info;
70
71 /* this next bit is copied from net_user_list_internal() */
72
73 get_query_dispinfo_params(loop_count, &max_entries,
74 &max_size);
75
76 result = rpccli_samr_QueryDisplayInfo(cli, mem_ctx,
77 &dom_pol,
78 1,
79 start_idx,
80 max_entries,
81 max_size,
82 &total_size,
83 &returned_size,
84 &disp_info);
85 num_dom_users = disp_info.info1.count;
86 start_idx += disp_info.info1.count;
87 loop_count++;
88
89 *num_entries += num_dom_users;
90
91 *info = TALLOC_REALLOC_ARRAY(mem_ctx, *info, WINBIND_USERINFO,
92 *num_entries);
93
94 if (!(*info)) {
95 return NT_STATUS_NO_MEMORY;
96 }
97
98 for (j = 0; j < num_dom_users; i++, j++) {
99
100 uint32_t rid = disp_info.info1.entries[j].rid;
101
102 (*info)[i].acct_name = talloc_strdup(mem_ctx,
103 disp_info.info1.entries[j].account_name.string);
104 (*info)[i].full_name = talloc_strdup(mem_ctx,
105 disp_info.info1.entries[j].full_name.string);
106 (*info)[i].homedir = NULL;
107 (*info)[i].shell = NULL;
108 sid_compose(&(*info)[i].user_sid, &domain->sid, rid);
109
110 /* For the moment we set the primary group for
111 every user to be the Domain Users group.
112 There are serious problems with determining
113 the actual primary group for large domains.
114 This should really be made into a 'winbind
115 force group' smb.conf parameter or
116 something like that. */
117
118 sid_compose(&(*info)[i].group_sid, &domain->sid,
119 DOMAIN_GROUP_RID_USERS);
120 }
121
122 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
123
124 return result;
125 }
126
127 /* list all domain groups */
128 static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
129 TALLOC_CTX *mem_ctx,
130 uint32 *num_entries,
131 struct acct_info **info)
132 {
133 POLICY_HND dom_pol;
134 NTSTATUS status;
135 uint32 start = 0;
136 struct rpc_pipe_client *cli;
137
138 *num_entries = 0;
139 *info = NULL;
140
141 DEBUG(3,("rpc: enum_dom_groups\n"));
142
143 if ( !winbindd_can_contact_domain( domain ) ) {
144 DEBUG(10,("enum_domain_groups: No incoming trust for domain %s\n",
145 domain->name));
146 return NT_STATUS_OK;
147 }
148
149 status = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
150 if (!NT_STATUS_IS_OK(status))
151 return status;
152
153 do {
154 struct samr_SamArray *sam_array = NULL;
155 uint32 count = 0;
156 TALLOC_CTX *mem_ctx2;
157 int g;
158
159 mem_ctx2 = talloc_init("enum_dom_groups[rpc]");
160
161 /* start is updated by this call. */
162 status = rpccli_samr_EnumDomainGroups(cli, mem_ctx2,
163 &dom_pol,
164 &start,
165 &sam_array,
166 0xFFFF, /* buffer size? */
167 &count);
168
169 if (!NT_STATUS_IS_OK(status) &&
170 !NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) {
171 talloc_destroy(mem_ctx2);
172 break;
173 }
174
175 (*info) = TALLOC_REALLOC_ARRAY(mem_ctx, *info,
176 struct acct_info,
177 (*num_entries) + count);
178 if (! *info) {
179 talloc_destroy(mem_ctx2);
180 return NT_STATUS_NO_MEMORY;
181 }
182
183 for (g=0; g < count; g++) {
184
185 fstrcpy((*info)[*num_entries + g].acct_name,
186 sam_array->entries[g].name.string);
187 (*info)[*num_entries + g].rid = sam_array->entries[g].idx;
188 }
189
190 (*num_entries) += count;
191 talloc_destroy(mem_ctx2);
192 } while (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES));
193
194 return NT_STATUS_OK;
195 }
196
197 /* List all domain groups */
198
199 static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
200 TALLOC_CTX *mem_ctx,
201 uint32 *num_entries,
202 struct acct_info **info)
203 {
204 POLICY_HND dom_pol;
205 NTSTATUS result;
206 struct rpc_pipe_client *cli;
207
208 *num_entries = 0;
209 *info = NULL;
210
211 DEBUG(3,("rpc: enum_local_groups\n"));
212
213 if ( !winbindd_can_contact_domain( domain ) ) {
214 DEBUG(10,("enum_local_groups: No incoming trust for domain %s\n",
215 domain->name));
216 return NT_STATUS_OK;
217 }
218
219 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
220 if (!NT_STATUS_IS_OK(result))
221 return result;
222
223 do {
224 struct samr_SamArray *sam_array = NULL;
225 uint32 count = 0, start = *num_entries;
226 TALLOC_CTX *mem_ctx2;
227 int g;
228
229 mem_ctx2 = talloc_init("enum_dom_local_groups[rpc]");
230
231 result = rpccli_samr_EnumDomainAliases(cli, mem_ctx2,
232 &dom_pol,
233 &start,
234 &sam_array,
235 0xFFFF, /* buffer size? */
236 &count);
237 if (!NT_STATUS_IS_OK(result) &&
238 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES) )
239 {
240 talloc_destroy(mem_ctx2);
241 return result;
242 }
243
244 (*info) = TALLOC_REALLOC_ARRAY(mem_ctx, *info,
245 struct acct_info,
246 (*num_entries) + count);
247 if (! *info) {
248 talloc_destroy(mem_ctx2);
249 return NT_STATUS_NO_MEMORY;
250 }
251
252 for (g=0; g < count; g++) {
253
254 fstrcpy((*info)[*num_entries + g].acct_name,
255 sam_array->entries[g].name.string);
256 (*info)[*num_entries + g].rid = sam_array->entries[g].idx;
257 }
258
259 (*num_entries) += count;
260 talloc_destroy(mem_ctx2);
261
262 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
263
264 return NT_STATUS_OK;
265 }
266
267 /* convert a single name to a sid in a domain */
268 NTSTATUS msrpc_name_to_sid(struct winbindd_domain *domain,
269 TALLOC_CTX *mem_ctx,
270 enum winbindd_cmd original_cmd,
271 const char *domain_name,
272 const char *name,
273 DOM_SID *sid,
274 enum lsa_SidType *type)
275 {
276 NTSTATUS result;
277 DOM_SID *sids = NULL;
278 enum lsa_SidType *types = NULL;
279 char *full_name = NULL;
280 struct rpc_pipe_client *cli;
281 POLICY_HND lsa_policy;
282 NTSTATUS name_map_status = NT_STATUS_UNSUCCESSFUL;
283 char *mapped_name = NULL;
284
285 if (name == NULL || *name=='\0') {
286 full_name = talloc_asprintf(mem_ctx, "%s", domain_name);
287 } else if (domain_name == NULL || *domain_name == '\0') {
288 full_name = talloc_asprintf(mem_ctx, "%s", name);
289 } else {
290 full_name = talloc_asprintf(mem_ctx, "%s\\%s", domain_name, name);
291 }
292 if (!full_name) {
293 DEBUG(0, ("talloc_asprintf failed!\n"));
294 return NT_STATUS_NO_MEMORY;
295 }
296
297 DEBUG(3,("rpc: name_to_sid name=%s\n", full_name));
298
299 name_map_status = normalize_name_unmap(mem_ctx, full_name,
300 &mapped_name);
301
302 /* Reset the full_name pointer if we mapped anytthing */
303
304 if (NT_STATUS_IS_OK(name_map_status) ||
305 NT_STATUS_EQUAL(name_map_status, NT_STATUS_FILE_RENAMED))
306 {
307 full_name = mapped_name;
308 }
309
310 DEBUG(3,("name_to_sid [rpc] %s for domain %s\n",
311 full_name?full_name:"", domain_name ));
312
313 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
314 if (!NT_STATUS_IS_OK(result))
315 return result;
316
317 result = rpccli_lsa_lookup_names(cli, mem_ctx, &lsa_policy, 1,
318 (const char**) &full_name, NULL, 1, &sids, &types);
319
320 if (!NT_STATUS_IS_OK(result))
321 return result;
322
323 /* Return rid and type if lookup successful */
324
325 sid_copy(sid, &sids[0]);
326 *type = types[0];
327
328 return NT_STATUS_OK;
329 }
330
331 /*
332 convert a domain SID to a user or group name
333 */
334 NTSTATUS msrpc_sid_to_name(struct winbindd_domain *domain,
335 TALLOC_CTX *mem_ctx,
336 const DOM_SID *sid,
337 char **domain_name,
338 char **name,
339 enum lsa_SidType *type)
340 {
341 char **domains;
342 char **names;
343 enum lsa_SidType *types = NULL;
344 NTSTATUS result;
345 struct rpc_pipe_client *cli;
346 POLICY_HND lsa_policy;
347 NTSTATUS name_map_status = NT_STATUS_UNSUCCESSFUL;
348 char *mapped_name = NULL;
349
350 DEBUG(3,("sid_to_name [rpc] %s for domain %s\n", sid_string_dbg(sid),
351 domain->name ));
352
353 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
354 if (!NT_STATUS_IS_OK(result)) {
355 DEBUG(2,("msrpc_sid_to_name: cm_connect_lsa() failed (%s)\n",
356 nt_errstr(result)));
357 return result;
358 }
359
360
361 result = rpccli_lsa_lookup_sids(cli, mem_ctx, &lsa_policy,
362 1, sid, &domains, &names, &types);
363 if (!NT_STATUS_IS_OK(result)) {
364 DEBUG(2,("msrpc_sid_to_name: rpccli_lsa_lookup_sids() failed (%s)\n",
365 nt_errstr(result)));
366 return result;
367 }
368
369 *type = (enum lsa_SidType)types[0];
370 *domain_name = domains[0];
371 *name = names[0];
372
373 DEBUG(5,("Mapped sid to [%s]\\[%s]\n", domains[0], *name));
374
375 name_map_status = normalize_name_map(mem_ctx, domain, *name,
376 &mapped_name);
377 if (NT_STATUS_IS_OK(name_map_status) ||
378 NT_STATUS_EQUAL(name_map_status, NT_STATUS_FILE_RENAMED))
379 {
380 *name = mapped_name;
381 DEBUG(5,("returning mapped name -- %s\n", *name));
382 }
383
384 return NT_STATUS_OK;
385 }
386
387 NTSTATUS msrpc_rids_to_names(struct winbindd_domain *domain,
388 TALLOC_CTX *mem_ctx,
389 const DOM_SID *sid,
390 uint32 *rids,
391 size_t num_rids,
392 char **domain_name,
393 char ***names,
394 enum lsa_SidType **types)
395 {
396 char **domains;
397 NTSTATUS result;
398 struct rpc_pipe_client *cli;
399 POLICY_HND lsa_policy;
400 DOM_SID *sids;
401 size_t i;
402 char **ret_names;
403
404 DEBUG(3, ("rids_to_names [rpc] for domain %s\n", domain->name ));
405
406 if (num_rids) {
407 sids = TALLOC_ARRAY(mem_ctx, DOM_SID, num_rids);
408 if (sids == NULL) {
409 return NT_STATUS_NO_MEMORY;
410 }
411 } else {
412 sids = NULL;
413 }
414
415 for (i=0; i<num_rids; i++) {
416 if (!sid_compose(&sids[i], sid, rids[i])) {
417 return NT_STATUS_INTERNAL_ERROR;
418 }
419 }
420
421 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
422 if (!NT_STATUS_IS_OK(result)) {
423 return result;
424 }
425
426 result = rpccli_lsa_lookup_sids(cli, mem_ctx, &lsa_policy,
427 num_rids, sids, &domains,
428 names, types);
429 if (!NT_STATUS_IS_OK(result) &&
430 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED)) {
431 return result;
432 }
433
434 ret_names = *names;
435 for (i=0; i<num_rids; i++) {
436 NTSTATUS name_map_status = NT_STATUS_UNSUCCESSFUL;
437 char *mapped_name = NULL;
438
439 if ((*types)[i] != SID_NAME_UNKNOWN) {
440 name_map_status = normalize_name_map(mem_ctx,
441 domain,
442 ret_names[i],
443 &mapped_name);
444 if (NT_STATUS_IS_OK(name_map_status) ||
445 NT_STATUS_EQUAL(name_map_status, NT_STATUS_FILE_RENAMED))
446 {
447 ret_names[i] = mapped_name;
448 }
449
450 *domain_name = domains[i];
451 }
452 }
453
454 return result;
455 }
456
457 /* Lookup user information from a rid or username. */
458 static NTSTATUS query_user(struct winbindd_domain *domain,
459 TALLOC_CTX *mem_ctx,
460 const DOM_SID *user_sid,
461 WINBIND_USERINFO *user_info)
462 {
463 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
464 POLICY_HND dom_pol, user_pol;
465 union samr_UserInfo *info = NULL;
466 uint32 user_rid;
467 struct netr_SamInfo3 *user;
468 struct rpc_pipe_client *cli;
469
470 DEBUG(3,("rpc: query_user sid=%s\n", sid_string_dbg(user_sid)));
471
472 if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
473 return NT_STATUS_UNSUCCESSFUL;
474
475 user_info->homedir = NULL;
476 user_info->shell = NULL;
477 user_info->primary_gid = (gid_t)-1;
478
479 /* try netsamlogon cache first */
480
481 if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
482 {
483
484 DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
485 sid_string_dbg(user_sid)));
486
487 sid_compose(&user_info->user_sid, &domain->sid, user->base.rid);
488 sid_compose(&user_info->group_sid, &domain->sid,
489 user->base.primary_gid);
490
491 user_info->acct_name = talloc_strdup(mem_ctx,
492 user->base.account_name.string);
493 user_info->full_name = talloc_strdup(mem_ctx,
494 user->base.full_name.string);
495
496 TALLOC_FREE(user);
497
498 return NT_STATUS_OK;
499 }
500
501 if ( !winbindd_can_contact_domain( domain ) ) {
502 DEBUG(10,("query_user: No incoming trust for domain %s\n",
503 domain->name));
504 return NT_STATUS_OK;
505 }
506
507 if ( !winbindd_can_contact_domain( domain ) ) {
508 DEBUG(10,("query_user: No incoming trust for domain %s\n",
509 domain->name));
510 return NT_STATUS_OK;
511 }
512
513 if ( !winbindd_can_contact_domain( domain ) ) {
514 DEBUG(10,("query_user: No incoming trust for domain %s\n",
515 domain->name));
516 return NT_STATUS_OK;
517 }
518
519 /* no cache; hit the wire */
520
521 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
522 if (!NT_STATUS_IS_OK(result))
523 return result;
524
525 /* Get user handle */
526 result = rpccli_samr_OpenUser(cli, mem_ctx,
527 &dom_pol,
528 SEC_RIGHTS_MAXIMUM_ALLOWED,
529 user_rid,
530 &user_pol);
531
532 if (!NT_STATUS_IS_OK(result))
533 return result;
534
535 /* Get user info */
536 result = rpccli_samr_QueryUserInfo(cli, mem_ctx,
537 &user_pol,
538 0x15,
539 &info);
540
541 rpccli_samr_Close(cli, mem_ctx, &user_pol);
542
543 if (!NT_STATUS_IS_OK(result))
544 return result;
545
546 sid_compose(&user_info->user_sid, &domain->sid, user_rid);
547 sid_compose(&user_info->group_sid, &domain->sid,
548 info->info21.primary_gid);
549 user_info->acct_name = talloc_strdup(mem_ctx,
550 info->info21.account_name.string);
551 user_info->full_name = talloc_strdup(mem_ctx,
552 info->info21.full_name.string);
553 user_info->homedir = NULL;
554 user_info->shell = NULL;
555 user_info->primary_gid = (gid_t)-1;
556
557 return NT_STATUS_OK;
558 }
559
560 /* Lookup groups a user is a member of. I wish Unix had a call like this! */
561 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
562 TALLOC_CTX *mem_ctx,
563 const DOM_SID *user_sid,
564 uint32 *num_groups, DOM_SID **user_grpsids)
565 {
566 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
567 POLICY_HND dom_pol, user_pol;
568 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
569 struct samr_RidWithAttributeArray *rid_array = NULL;
570 unsigned int i;
571 uint32 user_rid;
572 struct rpc_pipe_client *cli;
573
574 DEBUG(3,("rpc: lookup_usergroups sid=%s\n", sid_string_dbg(user_sid)));
575
576 if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
577 return NT_STATUS_UNSUCCESSFUL;
578
579 *num_groups = 0;
580 *user_grpsids = NULL;
581
582 /* so lets see if we have a cached user_info_3 */
583 result = lookup_usergroups_cached(domain, mem_ctx, user_sid,
584 num_groups, user_grpsids);
585
586 if (NT_STATUS_IS_OK(result)) {
587 return NT_STATUS_OK;
588 }
589
590 if ( !winbindd_can_contact_domain( domain ) ) {
591 DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
592 domain->name));
593
594 /* Tell the cache manager not to remember this one */
595
596 return NT_STATUS_SYNCHRONIZATION_REQUIRED;
597 }
598
599 /* no cache; hit the wire */
600
601 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
602 if (!NT_STATUS_IS_OK(result))
603 return result;
604
605 /* Get user handle */
606 result = rpccli_samr_OpenUser(cli, mem_ctx,
607 &dom_pol,
608 des_access,
609 user_rid,
610 &user_pol);
611
612 if (!NT_STATUS_IS_OK(result))
613 return result;
614
615 /* Query user rids */
616 result = rpccli_samr_GetGroupsForUser(cli, mem_ctx,
617 &user_pol,
618 &rid_array);
619 *num_groups = rid_array->count;
620
621 rpccli_samr_Close(cli, mem_ctx, &user_pol);
622
623 if (!NT_STATUS_IS_OK(result) || (*num_groups) == 0)
624 return result;
625
626 (*user_grpsids) = TALLOC_ARRAY(mem_ctx, DOM_SID, *num_groups);
627 if (!(*user_grpsids))
628 return NT_STATUS_NO_MEMORY;
629
630 for (i=0;i<(*num_groups);i++) {
631 sid_copy(&((*user_grpsids)[i]), &domain->sid);
632 sid_append_rid(&((*user_grpsids)[i]),
633 rid_array->rids[i].rid);
634 }
635
636 return NT_STATUS_OK;
637 }
638
639 NTSTATUS msrpc_lookup_useraliases(struct winbindd_domain *domain,
640 TALLOC_CTX *mem_ctx,
641 uint32 num_sids, const DOM_SID *sids,
642 uint32 *num_aliases, uint32 **alias_rids)
643 {
644 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
645 POLICY_HND dom_pol;
646 uint32 num_query_sids = 0;
647 int i;
648 struct rpc_pipe_client *cli;
649 struct samr_Ids alias_rids_query;
650 int rangesize = MAX_SAM_ENTRIES_W2K;
651 uint32 total_sids = 0;
652 int num_queries = 1;
653
654 *num_aliases = 0;
655 *alias_rids = NULL;
656
657 DEBUG(3,("rpc: lookup_useraliases\n"));
658
659 if ( !winbindd_can_contact_domain( domain ) ) {
660 DEBUG(10,("msrpc_lookup_useraliases: No incoming trust for domain %s\n",
661 domain->name));
662 return NT_STATUS_OK;
663 }
664
665 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
666 if (!NT_STATUS_IS_OK(result))
667 return result;
668
669 do {
670 /* prepare query */
671 struct lsa_SidArray sid_array;
672
673 ZERO_STRUCT(sid_array);
674
675 num_query_sids = MIN(num_sids - total_sids, rangesize);
676
677 DEBUG(10,("rpc: lookup_useraliases: entering query %d for %d sids\n",
678 num_queries, num_query_sids));
679
680 if (num_query_sids) {
681 sid_array.sids = TALLOC_ZERO_ARRAY(mem_ctx, struct lsa_SidPtr, num_query_sids);
682 if (sid_array.sids == NULL) {
683 return NT_STATUS_NO_MEMORY;
684 }
685 } else {
686 sid_array.sids = NULL;
687 }
688
689 for (i=0; i<num_query_sids; i++) {
690 sid_array.sids[i].sid = sid_dup_talloc(mem_ctx, &sids[total_sids++]);
691 if (!sid_array.sids[i].sid) {
692 TALLOC_FREE(sid_array.sids);
693 return NT_STATUS_NO_MEMORY;
694 }
695 }
696 sid_array.num_sids = num_query_sids;
697
698 /* do request */
699 result = rpccli_samr_GetAliasMembership(cli, mem_ctx,
700 &dom_pol,
701 &sid_array,
702 &alias_rids_query);
703
704 if (!NT_STATUS_IS_OK(result)) {
705 *num_aliases = 0;
706 *alias_rids = NULL;
707 TALLOC_FREE(sid_array.sids);
708 goto done;
709 }
710
711 /* process output */
712
713 for (i=0; i<alias_rids_query.count; i++) {
714 size_t na = *num_aliases;
715 if (!add_rid_to_array_unique(mem_ctx, alias_rids_query.ids[i],
716 alias_rids, &na)) {
717 return NT_STATUS_NO_MEMORY;
718 }
719 *num_aliases = na;
720 }
721
722 TALLOC_FREE(sid_array.sids);
723
724 num_queries++;
725
726 } while (total_sids < num_sids);
727
728 done:
729 DEBUG(10,("rpc: lookup_useraliases: got %d aliases in %d queries "
730 "(rangesize: %d)\n", *num_aliases, num_queries, rangesize));
731
732 return result;
733 }
734
735
736 /* Lookup group membership given a rid. */
737 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
738 TALLOC_CTX *mem_ctx,
739 const DOM_SID *group_sid, uint32 *num_names,
740 DOM_SID **sid_mem, char ***names,
741 uint32 **name_types)
742 {
743 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
744 uint32 i, total_names = 0;
745 POLICY_HND dom_pol, group_pol;
746 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
747 uint32 *rid_mem = NULL;
748 uint32 group_rid;
749 unsigned int j, r;
750 struct rpc_pipe_client *cli;
751 unsigned int orig_timeout;
752 struct samr_RidTypeArray *rids = NULL;
753
754 DEBUG(10,("rpc: lookup_groupmem %s sid=%s\n", domain->name,
755 sid_string_dbg(group_sid)));
756
757 if ( !winbindd_can_contact_domain( domain ) ) {
758 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
759 domain->name));
760 return NT_STATUS_OK;
761 }
762
763 if (!sid_peek_check_rid(&domain->sid, group_sid, &group_rid))
764 return NT_STATUS_UNSUCCESSFUL;
765
766 *num_names = 0;
767
768 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
769 if (!NT_STATUS_IS_OK(result))
770 return result;
771
772 result = rpccli_samr_OpenGroup(cli, mem_ctx,
773 &dom_pol,
774 des_access,
775 group_rid,
776 &group_pol);
777
778 if (!NT_STATUS_IS_OK(result))
779 return result;
780
781 /* Step #1: Get a list of user rids that are the members of the
782 group. */
783
784 /* This call can take a long time - allow the server to time out.
785 35 seconds should do it. */
786
787 orig_timeout = rpccli_set_timeout(cli, 35000);
788
789 result = rpccli_samr_QueryGroupMember(cli, mem_ctx,
790 &group_pol,
791 &rids);
792
793 /* And restore our original timeout. */
794 rpccli_set_timeout(cli, orig_timeout);
795
796 rpccli_samr_Close(cli, mem_ctx, &group_pol);
797
798 if (!NT_STATUS_IS_OK(result))
799 return result;
800
801 *num_names = rids->count;
802 rid_mem = rids->rids;
803
804 if (!*num_names) {
805 names = NULL;
806 name_types = NULL;
807 sid_mem = NULL;
808 return NT_STATUS_OK;
809 }
810
811 /* Step #2: Convert list of rids into list of usernames. Do this
812 in bunches of ~1000 to avoid crashing NT4. It looks like there
813 is a buffer overflow or something like that lurking around
814 somewhere. */
815
816 #define MAX_LOOKUP_RIDS 900
817
818 *names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_names);
819 *name_types = TALLOC_ZERO_ARRAY(mem_ctx, uint32, *num_names);
820 *sid_mem = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_names);
821
822 for (j=0;j<(*num_names);j++)
823 sid_compose(&(*sid_mem)[j], &domain->sid, rid_mem[j]);
824
825 if (*num_names>0 && (!*names || !*name_types))
826 return NT_STATUS_NO_MEMORY;
827
828 for (i = 0; i < *num_names; i += MAX_LOOKUP_RIDS) {
829 int num_lookup_rids = MIN(*num_names - i, MAX_LOOKUP_RIDS);
830 struct lsa_Strings tmp_names;
831 struct samr_Ids tmp_types;
832
833 /* Lookup a chunk of rids */
834
835 result = rpccli_samr_LookupRids(cli, mem_ctx,
836 &dom_pol,
837 num_lookup_rids,
838 &rid_mem[i],
839 &tmp_names,
840 &tmp_types);
841
842 /* see if we have a real error (and yes the
843 STATUS_SOME_UNMAPPED is the one returned from 2k) */
844
845 if (!NT_STATUS_IS_OK(result) &&
846 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED))
847 return result;
848
849 /* Copy result into array. The talloc system will take
850 care of freeing the temporary arrays later on. */
851
852 if (tmp_names.count != tmp_types.count) {
853 return NT_STATUS_UNSUCCESSFUL;
854 }
855
856 for (r=0; r<tmp_names.count; r++) {
857 (*names)[i+r] = CONST_DISCARD(char *, tmp_names.names[r].string);
858 (*name_types)[i+r] = tmp_types.ids[r];
859 }
860
861 total_names += tmp_names.count;
862 }
863
864 *num_names = total_names;
865
866 return NT_STATUS_OK;
867 }
868
869 #ifdef HAVE_LDAP
870
871 #include <ldap.h>
872
873 static int get_ldap_seq(const char *server, int port, uint32 *seq)
874 {
875 int ret = -1;
876 struct timeval to;
877 const char *attrs[] = {"highestCommittedUSN", NULL};
878 LDAPMessage *res = NULL;
879 char **values = NULL;
880 LDAP *ldp = NULL;
881
882 *seq = DOM_SEQUENCE_NONE;
883
884 /*
885 * Parameterised (5) second timeout on open. This is needed as the
886 * search timeout doesn't seem to apply to doing an open as well. JRA.
887 */
888
889 ldp = ldap_open_with_timeout(server, port, lp_ldap_timeout());
890 if (ldp == NULL)
891 return -1;
892
893 /* Timeout if no response within 20 seconds. */
894 to.tv_sec = 10;
895 to.tv_usec = 0;
896
897 if (ldap_search_st(ldp, "", LDAP_SCOPE_BASE, "(objectclass=*)",
898 CONST_DISCARD(char **, attrs), 0, &to, &res))
899 goto done;
900
901 if (ldap_count_entries(ldp, res) != 1)
902 goto done;
903
904 values = ldap_get_values(ldp, res, "highestCommittedUSN");
905 if (!values || !values[0])
906 goto done;
907
908 *seq = atoi(values[0]);
909 ret = 0;
910
911 done:
912
913 if (values)
914 ldap_value_free(values);
915 if (res)
916 ldap_msgfree(res);
917 if (ldp)
918 ldap_unbind(ldp);
919 return ret;
920 }
921
922 /**********************************************************************
923 Get the sequence number for a Windows AD native mode domain using
924 LDAP queries.
925 **********************************************************************/
926
927 static int get_ldap_sequence_number(struct winbindd_domain *domain, uint32 *seq)
928 {
929 int ret = -1;
930 char addr[INET6_ADDRSTRLEN];
931
932 print_sockaddr(addr, sizeof(addr), &domain->dcaddr);
933 if ((ret = get_ldap_seq(addr, LDAP_PORT, seq)) == 0) {
934 DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence "
935 "number for Domain (%s) from DC (%s)\n",
936 domain->name, addr));
937 }
938 return ret;
939 }
940
941 #endif /* HAVE_LDAP */
942
943 /* find the sequence number for a domain */
944 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
945 {
946 TALLOC_CTX *mem_ctx;
947 union samr_DomainInfo *info = NULL;
948 NTSTATUS result;
949 POLICY_HND dom_pol;
950 bool got_seq_num = False;
951 struct rpc_pipe_client *cli;
952
953 DEBUG(10,("rpc: fetch sequence_number for %s\n", domain->name));
954
955 if ( !winbindd_can_contact_domain( domain ) ) {
956 DEBUG(10,("sequence_number: No incoming trust for domain %s\n",
957 domain->name));
958 *seq = time(NULL);
959 return NT_STATUS_OK;
960 }
961
962 *seq = DOM_SEQUENCE_NONE;
963
964 if (!(mem_ctx = talloc_init("sequence_number[rpc]")))
965 return NT_STATUS_NO_MEMORY;
966
967 #ifdef HAVE_LDAP
968 if ( domain->active_directory )
969 {
970 int res;
971
972 DEBUG(8,("using get_ldap_seq() to retrieve the "
973 "sequence number\n"));
974
975 res = get_ldap_sequence_number( domain, seq );
976 if (res == 0)
977 {
978 result = NT_STATUS_OK;
979 DEBUG(10,("domain_sequence_number: LDAP for "
980 "domain %s is %u\n",
981 domain->name, *seq));
982 goto done;
983 }
984
985 DEBUG(10,("domain_sequence_number: failed to get LDAP "
986 "sequence number for domain %s\n",
987 domain->name ));
988 }
989 #endif /* HAVE_LDAP */
990
991 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
992 if (!NT_STATUS_IS_OK(result)) {
993 goto done;
994 }
995
996 /* Query domain info */
997
998 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
999 &dom_pol,
1000 8,
1001 &info);
1002
1003 if (NT_STATUS_IS_OK(result)) {
1004 *seq = info->info8.sequence_num;
1005 got_seq_num = True;
1006 goto seq_num;
1007 }
1008
1009 /* retry with info-level 2 in case the dc does not support info-level 8
1010 * (like all older samba2 and samba3 dc's) - Guenther */
1011
1012 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1013 &dom_pol,
1014 2,
1015 &info);
1016
1017 if (NT_STATUS_IS_OK(result)) {
1018 *seq = info->info2.sequence_num;
1019 got_seq_num = True;
1020 }
1021
1022 seq_num:
1023 if (got_seq_num) {
1024 DEBUG(10,("domain_sequence_number: for domain %s is %u\n",
1025 domain->name, (unsigned)*seq));
1026 } else {
1027 DEBUG(10,("domain_sequence_number: failed to get sequence "
1028 "number (%u) for domain %s\n",
1029 (unsigned)*seq, domain->name ));
1030 }
1031
1032 done:
1033
1034 talloc_destroy(mem_ctx);
1035
1036 return result;
1037 }
1038
1039 /* get a list of trusted domains */
1040 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1041 TALLOC_CTX *mem_ctx,
1042 uint32 *num_domains,
1043 char ***names,
1044 char ***alt_names,
1045 DOM_SID **dom_sids)
1046 {
1047 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1048 uint32 enum_ctx = 0;
1049 struct rpc_pipe_client *cli;
1050 POLICY_HND lsa_policy;
1051
1052 DEBUG(3,("rpc: trusted_domains\n"));
1053
1054 *num_domains = 0;
1055 *names = NULL;
1056 *alt_names = NULL;
1057 *dom_sids = NULL;
1058
1059 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
1060 if (!NT_STATUS_IS_OK(result))
1061 return result;
1062
1063 result = STATUS_MORE_ENTRIES;
1064
1065 while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1066 uint32 start_idx;
1067 int i;
1068 struct lsa_DomainList dom_list;
1069
1070 result = rpccli_lsa_EnumTrustDom(cli, mem_ctx,
1071 &lsa_policy,
1072 &enum_ctx,
1073 &dom_list,
1074 (uint32_t)-1);
1075
1076 if (!NT_STATUS_IS_OK(result) &&
1077 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES))
1078 break;
1079
1080 start_idx = *num_domains;
1081 *num_domains += dom_list.count;
1082 *names = TALLOC_REALLOC_ARRAY(mem_ctx, *names,
1083 char *, *num_domains);
1084 *dom_sids = TALLOC_REALLOC_ARRAY(mem_ctx, *dom_sids,
1085 DOM_SID, *num_domains);
1086 *alt_names = TALLOC_REALLOC_ARRAY(mem_ctx, *alt_names,
1087 char *, *num_domains);
1088 if ((*names == NULL) || (*dom_sids == NULL) ||
1089 (*alt_names == NULL))
1090 return NT_STATUS_NO_MEMORY;
1091
1092 for (i=0; i<dom_list.count; i++) {
1093 (*names)[start_idx+i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
1094 (*dom_sids)[start_idx+i] = *dom_list.domains[i].sid;
1095 (*alt_names)[start_idx+i] = talloc_strdup(mem_ctx, "");
1096 }
1097 }
1098 return result;
1099 }
1100
1101 /* find the lockout policy for a domain */
1102 NTSTATUS msrpc_lockout_policy(struct winbindd_domain *domain,
1103 TALLOC_CTX *mem_ctx,
1104 struct samr_DomInfo12 *lockout_policy)
1105 {
1106 NTSTATUS result;
1107 struct rpc_pipe_client *cli;
1108 POLICY_HND dom_pol;
1109 union samr_DomainInfo *info = NULL;
1110
1111 DEBUG(10,("rpc: fetch lockout policy for %s\n", domain->name));
1112
1113 if ( !winbindd_can_contact_domain( domain ) ) {
1114 DEBUG(10,("msrpc_lockout_policy: No incoming trust for domain %s\n",
1115 domain->name));
1116 return NT_STATUS_NOT_SUPPORTED;
1117 }
1118
1119 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1120 if (!NT_STATUS_IS_OK(result)) {
1121 goto done;
1122 }
1123
1124 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1125 &dom_pol,
1126 12,
1127 &info);
1128 if (!NT_STATUS_IS_OK(result)) {
1129 goto done;
1130 }
1131
1132 *lockout_policy = info->info12;
1133
1134 DEBUG(10,("msrpc_lockout_policy: lockout_threshold %d\n",
1135 info->info12.lockout_threshold));
1136
1137 done:
1138
1139 return result;
1140 }
1141
1142 /* find the password policy for a domain */
1143 NTSTATUS msrpc_password_policy(struct winbindd_domain *domain,
1144 TALLOC_CTX *mem_ctx,
1145 struct samr_DomInfo1 *password_policy)
1146 {
1147 NTSTATUS result;
1148 struct rpc_pipe_client *cli;
1149 POLICY_HND dom_pol;
1150 union samr_DomainInfo *info = NULL;
1151
1152 DEBUG(10,("rpc: fetch password policy for %s\n", domain->name));
1153
1154 if ( !winbindd_can_contact_domain( domain ) ) {
1155 DEBUG(10,("msrpc_password_policy: No incoming trust for domain %s\n",
1156 domain->name));
1157 return NT_STATUS_NOT_SUPPORTED;
1158 }
1159
1160 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1161 if (!NT_STATUS_IS_OK(result)) {
1162 goto done;
1163 }
1164
1165 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1166 &dom_pol,
1167 1,
1168 &info);
1169 if (!NT_STATUS_IS_OK(result)) {
1170 goto done;
1171 }
1172
1173 *password_policy = info->info1;
1174
1175 DEBUG(10,("msrpc_password_policy: min_length_password %d\n",
1176 info->info1.min_password_length));
1177
1178 done:
1179
1180 return result;
1181 }
1182
1183
1184 /* the rpc backend methods are exposed via this structure */
1185 struct winbindd_methods msrpc_methods = {
1186 False,
1187 query_user_list,
1188 enum_dom_groups,
1189 enum_local_groups,
1190 msrpc_name_to_sid,
1191 msrpc_sid_to_name,
1192 msrpc_rids_to_names,
1193 query_user,
1194 lookup_usergroups,
1195 msrpc_lookup_useraliases,
1196 lookup_groupmem,
1197 sequence_number,
1198 msrpc_lockout_policy,
1199 msrpc_password_policy,
1200 trusted_domains,
1201 };
Samba GIT mirror