?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
updated the LSA and NETLOGON servers with fixes resulting from the AD
[Samba/gbeck.git] / source3 / winbindd / winbindd_rpc.c
blob9fbea8e45b6416a8fc38ec12d96af8ce8a811ea0
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] = fill_domain_username_talloc(mem_ctx,
858 domain->name,
859 tmp_names.names[r].string,
860 true);
861 (*name_types)[i+r] = tmp_types.ids[r];
862 }
863
864 total_names += tmp_names.count;
865 }
866
867 *num_names = total_names;
868
869 return NT_STATUS_OK;
870 }
871
872 #ifdef HAVE_LDAP
873
874 #include <ldap.h>
875
876 static int get_ldap_seq(const char *server, int port, uint32 *seq)
877 {
878 int ret = -1;
879 struct timeval to;
880 const char *attrs[] = {"highestCommittedUSN", NULL};
881 LDAPMessage *res = NULL;
882 char **values = NULL;
883 LDAP *ldp = NULL;
884
885 *seq = DOM_SEQUENCE_NONE;
886
887 /*
888 * Parameterised (5) second timeout on open. This is needed as the
889 * search timeout doesn't seem to apply to doing an open as well. JRA.
890 */
891
892 ldp = ldap_open_with_timeout(server, port, lp_ldap_timeout());
893 if (ldp == NULL)
894 return -1;
895
896 /* Timeout if no response within 20 seconds. */
897 to.tv_sec = 10;
898 to.tv_usec = 0;
899
900 if (ldap_search_st(ldp, "", LDAP_SCOPE_BASE, "(objectclass=*)",
901 CONST_DISCARD(char **, attrs), 0, &to, &res))
902 goto done;
903
904 if (ldap_count_entries(ldp, res) != 1)
905 goto done;
906
907 values = ldap_get_values(ldp, res, "highestCommittedUSN");
908 if (!values || !values[0])
909 goto done;
910
911 *seq = atoi(values[0]);
912 ret = 0;
913
914 done:
915
916 if (values)
917 ldap_value_free(values);
918 if (res)
919 ldap_msgfree(res);
920 if (ldp)
921 ldap_unbind(ldp);
922 return ret;
923 }
924
925 /**********************************************************************
926 Get the sequence number for a Windows AD native mode domain using
927 LDAP queries.
928 **********************************************************************/
929
930 static int get_ldap_sequence_number(struct winbindd_domain *domain, uint32 *seq)
931 {
932 int ret = -1;
933 char addr[INET6_ADDRSTRLEN];
934
935 print_sockaddr(addr, sizeof(addr), &domain->dcaddr);
936 if ((ret = get_ldap_seq(addr, LDAP_PORT, seq)) == 0) {
937 DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence "
938 "number for Domain (%s) from DC (%s)\n",
939 domain->name, addr));
940 }
941 return ret;
942 }
943
944 #endif /* HAVE_LDAP */
945
946 /* find the sequence number for a domain */
947 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
948 {
949 TALLOC_CTX *mem_ctx;
950 union samr_DomainInfo *info = NULL;
951 NTSTATUS result;
952 POLICY_HND dom_pol;
953 bool got_seq_num = False;
954 struct rpc_pipe_client *cli;
955
956 DEBUG(10,("rpc: fetch sequence_number for %s\n", domain->name));
957
958 if ( !winbindd_can_contact_domain( domain ) ) {
959 DEBUG(10,("sequence_number: No incoming trust for domain %s\n",
960 domain->name));
961 *seq = time(NULL);
962 return NT_STATUS_OK;
963 }
964
965 *seq = DOM_SEQUENCE_NONE;
966
967 if (!(mem_ctx = talloc_init("sequence_number[rpc]")))
968 return NT_STATUS_NO_MEMORY;
969
970 #ifdef HAVE_LDAP
971 if ( domain->active_directory )
972 {
973 int res;
974
975 DEBUG(8,("using get_ldap_seq() to retrieve the "
976 "sequence number\n"));
977
978 res = get_ldap_sequence_number( domain, seq );
979 if (res == 0)
980 {
981 result = NT_STATUS_OK;
982 DEBUG(10,("domain_sequence_number: LDAP for "
983 "domain %s is %u\n",
984 domain->name, *seq));
985 goto done;
986 }
987
988 DEBUG(10,("domain_sequence_number: failed to get LDAP "
989 "sequence number for domain %s\n",
990 domain->name ));
991 }
992 #endif /* HAVE_LDAP */
993
994 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
995 if (!NT_STATUS_IS_OK(result)) {
996 goto done;
997 }
998
999 /* Query domain info */
1000
1001 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1002 &dom_pol,
1003 8,
1004 &info);
1005
1006 if (NT_STATUS_IS_OK(result)) {
1007 *seq = info->info8.sequence_num;
1008 got_seq_num = True;
1009 goto seq_num;
1010 }
1011
1012 /* retry with info-level 2 in case the dc does not support info-level 8
1013 * (like all older samba2 and samba3 dc's) - Guenther */
1014
1015 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1016 &dom_pol,
1017 2,
1018 &info);
1019
1020 if (NT_STATUS_IS_OK(result)) {
1021 *seq = info->info2.sequence_num;
1022 got_seq_num = True;
1023 }
1024
1025 seq_num:
1026 if (got_seq_num) {
1027 DEBUG(10,("domain_sequence_number: for domain %s is %u\n",
1028 domain->name, (unsigned)*seq));
1029 } else {
1030 DEBUG(10,("domain_sequence_number: failed to get sequence "
1031 "number (%u) for domain %s\n",
1032 (unsigned)*seq, domain->name ));
1033 }
1034
1035 done:
1036
1037 talloc_destroy(mem_ctx);
1038
1039 return result;
1040 }
1041
1042 /* get a list of trusted domains */
1043 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1044 TALLOC_CTX *mem_ctx,
1045 uint32 *num_domains,
1046 char ***names,
1047 char ***alt_names,
1048 DOM_SID **dom_sids)
1049 {
1050 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1051 uint32 enum_ctx = 0;
1052 struct rpc_pipe_client *cli;
1053 POLICY_HND lsa_policy;
1054
1055 DEBUG(3,("rpc: trusted_domains\n"));
1056
1057 *num_domains = 0;
1058 *names = NULL;
1059 *alt_names = NULL;
1060 *dom_sids = NULL;
1061
1062 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
1063 if (!NT_STATUS_IS_OK(result))
1064 return result;
1065
1066 result = STATUS_MORE_ENTRIES;
1067
1068 while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1069 uint32 start_idx;
1070 int i;
1071 struct lsa_DomainList dom_list;
1072
1073 result = rpccli_lsa_EnumTrustDom(cli, mem_ctx,
1074 &lsa_policy,
1075 &enum_ctx,
1076 &dom_list,
1077 (uint32_t)-1);
1078
1079 if (!NT_STATUS_IS_OK(result) &&
1080 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES))
1081 break;
1082
1083 start_idx = *num_domains;
1084 *num_domains += dom_list.count;
1085 *names = TALLOC_REALLOC_ARRAY(mem_ctx, *names,
1086 char *, *num_domains);
1087 *dom_sids = TALLOC_REALLOC_ARRAY(mem_ctx, *dom_sids,
1088 DOM_SID, *num_domains);
1089 *alt_names = TALLOC_REALLOC_ARRAY(mem_ctx, *alt_names,
1090 char *, *num_domains);
1091 if ((*names == NULL) || (*dom_sids == NULL) ||
1092 (*alt_names == NULL))
1093 return NT_STATUS_NO_MEMORY;
1094
1095 for (i=0; i<dom_list.count; i++) {
1096 (*names)[start_idx+i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
1097 (*dom_sids)[start_idx+i] = *dom_list.domains[i].sid;
1098 (*alt_names)[start_idx+i] = talloc_strdup(mem_ctx, "");
1099 }
1100 }
1101 return result;
1102 }
1103
1104 /* find the lockout policy for a domain */
1105 NTSTATUS msrpc_lockout_policy(struct winbindd_domain *domain,
1106 TALLOC_CTX *mem_ctx,
1107 struct samr_DomInfo12 *lockout_policy)
1108 {
1109 NTSTATUS result;
1110 struct rpc_pipe_client *cli;
1111 POLICY_HND dom_pol;
1112 union samr_DomainInfo *info = NULL;
1113
1114 DEBUG(10,("rpc: fetch lockout policy for %s\n", domain->name));
1115
1116 if ( !winbindd_can_contact_domain( domain ) ) {
1117 DEBUG(10,("msrpc_lockout_policy: No incoming trust for domain %s\n",
1118 domain->name));
1119 return NT_STATUS_NOT_SUPPORTED;
1120 }
1121
1122 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1123 if (!NT_STATUS_IS_OK(result)) {
1124 goto done;
1125 }
1126
1127 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1128 &dom_pol,
1129 12,
1130 &info);
1131 if (!NT_STATUS_IS_OK(result)) {
1132 goto done;
1133 }
1134
1135 *lockout_policy = info->info12;
1136
1137 DEBUG(10,("msrpc_lockout_policy: lockout_threshold %d\n",
1138 info->info12.lockout_threshold));
1139
1140 done:
1141
1142 return result;
1143 }
1144
1145 /* find the password policy for a domain */
1146 NTSTATUS msrpc_password_policy(struct winbindd_domain *domain,
1147 TALLOC_CTX *mem_ctx,
1148 struct samr_DomInfo1 *password_policy)
1149 {
1150 NTSTATUS result;
1151 struct rpc_pipe_client *cli;
1152 POLICY_HND dom_pol;
1153 union samr_DomainInfo *info = NULL;
1154
1155 DEBUG(10,("rpc: fetch password policy for %s\n", domain->name));
1156
1157 if ( !winbindd_can_contact_domain( domain ) ) {
1158 DEBUG(10,("msrpc_password_policy: No incoming trust for domain %s\n",
1159 domain->name));
1160 return NT_STATUS_NOT_SUPPORTED;
1161 }
1162
1163 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1164 if (!NT_STATUS_IS_OK(result)) {
1165 goto done;
1166 }
1167
1168 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1169 &dom_pol,
1170 1,
1171 &info);
1172 if (!NT_STATUS_IS_OK(result)) {
1173 goto done;
1174 }
1175
1176 *password_policy = info->info1;
1177
1178 DEBUG(10,("msrpc_password_policy: min_length_password %d\n",
1179 info->info1.min_password_length));
1180
1181 done:
1182
1183 return result;
1184 }
1185
1186
1187 /* the rpc backend methods are exposed via this structure */
1188 struct winbindd_methods msrpc_methods = {
1189 False,
1190 query_user_list,
1191 enum_dom_groups,
1192 enum_local_groups,
1193 msrpc_name_to_sid,
1194 msrpc_sid_to_name,
1195 msrpc_rids_to_names,
1196 query_user,
1197 lookup_usergroups,
1198 msrpc_lookup_useraliases,
1199 lookup_groupmem,
1200 sequence_number,
1201 msrpc_lockout_policy,
1202 msrpc_password_policy,
1203 trusted_domains,
1204 };
WIP