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s3:winbindd_cm: remove useless cli_setup_signing_state(*cli, Undefined) call
[Samba/gbeck.git] / source3 / winbindd / winbindd_rpc.c
blob0070bde2cc2cf478ceb46c601792238fdd5b60b9
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 static 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 static 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 static 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 #define MAX_SAM_ENTRIES_W2K 0x400 /* 1024 */
640
641 static NTSTATUS msrpc_lookup_useraliases(struct winbindd_domain *domain,
642 TALLOC_CTX *mem_ctx,
643 uint32 num_sids, const DOM_SID *sids,
644 uint32 *num_aliases,
645 uint32 **alias_rids)
646 {
647 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
648 POLICY_HND dom_pol;
649 uint32 num_query_sids = 0;
650 int i;
651 struct rpc_pipe_client *cli;
652 struct samr_Ids alias_rids_query;
653 int rangesize = MAX_SAM_ENTRIES_W2K;
654 uint32 total_sids = 0;
655 int num_queries = 1;
656
657 *num_aliases = 0;
658 *alias_rids = NULL;
659
660 DEBUG(3,("rpc: lookup_useraliases\n"));
661
662 if ( !winbindd_can_contact_domain( domain ) ) {
663 DEBUG(10,("msrpc_lookup_useraliases: No incoming trust for domain %s\n",
664 domain->name));
665 return NT_STATUS_OK;
666 }
667
668 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
669 if (!NT_STATUS_IS_OK(result))
670 return result;
671
672 do {
673 /* prepare query */
674 struct lsa_SidArray sid_array;
675
676 ZERO_STRUCT(sid_array);
677
678 num_query_sids = MIN(num_sids - total_sids, rangesize);
679
680 DEBUG(10,("rpc: lookup_useraliases: entering query %d for %d sids\n",
681 num_queries, num_query_sids));
682
683 if (num_query_sids) {
684 sid_array.sids = TALLOC_ZERO_ARRAY(mem_ctx, struct lsa_SidPtr, num_query_sids);
685 if (sid_array.sids == NULL) {
686 return NT_STATUS_NO_MEMORY;
687 }
688 } else {
689 sid_array.sids = NULL;
690 }
691
692 for (i=0; i<num_query_sids; i++) {
693 sid_array.sids[i].sid = sid_dup_talloc(mem_ctx, &sids[total_sids++]);
694 if (!sid_array.sids[i].sid) {
695 TALLOC_FREE(sid_array.sids);
696 return NT_STATUS_NO_MEMORY;
697 }
698 }
699 sid_array.num_sids = num_query_sids;
700
701 /* do request */
702 result = rpccli_samr_GetAliasMembership(cli, mem_ctx,
703 &dom_pol,
704 &sid_array,
705 &alias_rids_query);
706
707 if (!NT_STATUS_IS_OK(result)) {
708 *num_aliases = 0;
709 *alias_rids = NULL;
710 TALLOC_FREE(sid_array.sids);
711 goto done;
712 }
713
714 /* process output */
715
716 for (i=0; i<alias_rids_query.count; i++) {
717 size_t na = *num_aliases;
718 if (!add_rid_to_array_unique(mem_ctx, alias_rids_query.ids[i],
719 alias_rids, &na)) {
720 return NT_STATUS_NO_MEMORY;
721 }
722 *num_aliases = na;
723 }
724
725 TALLOC_FREE(sid_array.sids);
726
727 num_queries++;
728
729 } while (total_sids < num_sids);
730
731 done:
732 DEBUG(10,("rpc: lookup_useraliases: got %d aliases in %d queries "
733 "(rangesize: %d)\n", *num_aliases, num_queries, rangesize));
734
735 return result;
736 }
737
738
739 /* Lookup group membership given a rid. */
740 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
741 TALLOC_CTX *mem_ctx,
742 const DOM_SID *group_sid, uint32 *num_names,
743 DOM_SID **sid_mem, char ***names,
744 uint32 **name_types)
745 {
746 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
747 uint32 i, total_names = 0;
748 POLICY_HND dom_pol, group_pol;
749 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
750 uint32 *rid_mem = NULL;
751 uint32 group_rid;
752 unsigned int j, r;
753 struct rpc_pipe_client *cli;
754 unsigned int orig_timeout;
755 struct samr_RidTypeArray *rids = NULL;
756
757 DEBUG(10,("rpc: lookup_groupmem %s sid=%s\n", domain->name,
758 sid_string_dbg(group_sid)));
759
760 if ( !winbindd_can_contact_domain( domain ) ) {
761 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
762 domain->name));
763 return NT_STATUS_OK;
764 }
765
766 if (!sid_peek_check_rid(&domain->sid, group_sid, &group_rid))
767 return NT_STATUS_UNSUCCESSFUL;
768
769 *num_names = 0;
770
771 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
772 if (!NT_STATUS_IS_OK(result))
773 return result;
774
775 result = rpccli_samr_OpenGroup(cli, mem_ctx,
776 &dom_pol,
777 des_access,
778 group_rid,
779 &group_pol);
780
781 if (!NT_STATUS_IS_OK(result))
782 return result;
783
784 /* Step #1: Get a list of user rids that are the members of the
785 group. */
786
787 /* This call can take a long time - allow the server to time out.
788 35 seconds should do it. */
789
790 orig_timeout = rpccli_set_timeout(cli, 35000);
791
792 result = rpccli_samr_QueryGroupMember(cli, mem_ctx,
793 &group_pol,
794 &rids);
795
796 /* And restore our original timeout. */
797 rpccli_set_timeout(cli, orig_timeout);
798
799 rpccli_samr_Close(cli, mem_ctx, &group_pol);
800
801 if (!NT_STATUS_IS_OK(result))
802 return result;
803
804 *num_names = rids->count;
805 rid_mem = rids->rids;
806
807 if (!*num_names) {
808 names = NULL;
809 name_types = NULL;
810 sid_mem = NULL;
811 return NT_STATUS_OK;
812 }
813
814 /* Step #2: Convert list of rids into list of usernames. Do this
815 in bunches of ~1000 to avoid crashing NT4. It looks like there
816 is a buffer overflow or something like that lurking around
817 somewhere. */
818
819 #define MAX_LOOKUP_RIDS 900
820
821 *names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_names);
822 *name_types = TALLOC_ZERO_ARRAY(mem_ctx, uint32, *num_names);
823 *sid_mem = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_names);
824
825 for (j=0;j<(*num_names);j++)
826 sid_compose(&(*sid_mem)[j], &domain->sid, rid_mem[j]);
827
828 if (*num_names>0 && (!*names || !*name_types))
829 return NT_STATUS_NO_MEMORY;
830
831 for (i = 0; i < *num_names; i += MAX_LOOKUP_RIDS) {
832 int num_lookup_rids = MIN(*num_names - i, MAX_LOOKUP_RIDS);
833 struct lsa_Strings tmp_names;
834 struct samr_Ids tmp_types;
835
836 /* Lookup a chunk of rids */
837
838 result = rpccli_samr_LookupRids(cli, mem_ctx,
839 &dom_pol,
840 num_lookup_rids,
841 &rid_mem[i],
842 &tmp_names,
843 &tmp_types);
844
845 /* see if we have a real error (and yes the
846 STATUS_SOME_UNMAPPED is the one returned from 2k) */
847
848 if (!NT_STATUS_IS_OK(result) &&
849 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED))
850 return result;
851
852 /* Copy result into array. The talloc system will take
853 care of freeing the temporary arrays later on. */
854
855 if (tmp_names.count != tmp_types.count) {
856 return NT_STATUS_UNSUCCESSFUL;
857 }
858
859 for (r=0; r<tmp_names.count; r++) {
860 (*names)[i+r] = fill_domain_username_talloc(mem_ctx,
861 domain->name,
862 tmp_names.names[r].string,
863 true);
864 (*name_types)[i+r] = tmp_types.ids[r];
865 }
866
867 total_names += tmp_names.count;
868 }
869
870 *num_names = total_names;
871
872 return NT_STATUS_OK;
873 }
874
875 #ifdef HAVE_LDAP
876
877 #include <ldap.h>
878
879 static int get_ldap_seq(const char *server, int port, uint32 *seq)
880 {
881 int ret = -1;
882 struct timeval to;
883 const char *attrs[] = {"highestCommittedUSN", NULL};
884 LDAPMessage *res = NULL;
885 char **values = NULL;
886 LDAP *ldp = NULL;
887
888 *seq = DOM_SEQUENCE_NONE;
889
890 /*
891 * Parameterised (5) second timeout on open. This is needed as the
892 * search timeout doesn't seem to apply to doing an open as well. JRA.
893 */
894
895 ldp = ldap_open_with_timeout(server, port, lp_ldap_timeout());
896 if (ldp == NULL)
897 return -1;
898
899 /* Timeout if no response within 20 seconds. */
900 to.tv_sec = 10;
901 to.tv_usec = 0;
902
903 if (ldap_search_st(ldp, "", LDAP_SCOPE_BASE, "(objectclass=*)",
904 CONST_DISCARD(char **, attrs), 0, &to, &res))
905 goto done;
906
907 if (ldap_count_entries(ldp, res) != 1)
908 goto done;
909
910 values = ldap_get_values(ldp, res, "highestCommittedUSN");
911 if (!values || !values[0])
912 goto done;
913
914 *seq = atoi(values[0]);
915 ret = 0;
916
917 done:
918
919 if (values)
920 ldap_value_free(values);
921 if (res)
922 ldap_msgfree(res);
923 if (ldp)
924 ldap_unbind(ldp);
925 return ret;
926 }
927
928 /**********************************************************************
929 Get the sequence number for a Windows AD native mode domain using
930 LDAP queries.
931 **********************************************************************/
932
933 static int get_ldap_sequence_number(struct winbindd_domain *domain, uint32 *seq)
934 {
935 int ret = -1;
936 char addr[INET6_ADDRSTRLEN];
937
938 print_sockaddr(addr, sizeof(addr), &domain->dcaddr);
939 if ((ret = get_ldap_seq(addr, LDAP_PORT, seq)) == 0) {
940 DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence "
941 "number for Domain (%s) from DC (%s)\n",
942 domain->name, addr));
943 }
944 return ret;
945 }
946
947 #endif /* HAVE_LDAP */
948
949 /* find the sequence number for a domain */
950 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
951 {
952 TALLOC_CTX *mem_ctx;
953 union samr_DomainInfo *info = NULL;
954 NTSTATUS result;
955 POLICY_HND dom_pol;
956 bool got_seq_num = False;
957 struct rpc_pipe_client *cli;
958
959 DEBUG(10,("rpc: fetch sequence_number for %s\n", domain->name));
960
961 if ( !winbindd_can_contact_domain( domain ) ) {
962 DEBUG(10,("sequence_number: No incoming trust for domain %s\n",
963 domain->name));
964 *seq = time(NULL);
965 return NT_STATUS_OK;
966 }
967
968 *seq = DOM_SEQUENCE_NONE;
969
970 if (!(mem_ctx = talloc_init("sequence_number[rpc]")))
971 return NT_STATUS_NO_MEMORY;
972
973 #ifdef HAVE_LDAP
974 if ( domain->active_directory )
975 {
976 int res;
977
978 DEBUG(8,("using get_ldap_seq() to retrieve the "
979 "sequence number\n"));
980
981 res = get_ldap_sequence_number( domain, seq );
982 if (res == 0)
983 {
984 result = NT_STATUS_OK;
985 DEBUG(10,("domain_sequence_number: LDAP for "
986 "domain %s is %u\n",
987 domain->name, *seq));
988 goto done;
989 }
990
991 DEBUG(10,("domain_sequence_number: failed to get LDAP "
992 "sequence number for domain %s\n",
993 domain->name ));
994 }
995 #endif /* HAVE_LDAP */
996
997 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
998 if (!NT_STATUS_IS_OK(result)) {
999 goto done;
1000 }
1001
1002 /* Query domain info */
1003
1004 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1005 &dom_pol,
1006 8,
1007 &info);
1008
1009 if (NT_STATUS_IS_OK(result)) {
1010 *seq = info->info8.sequence_num;
1011 got_seq_num = True;
1012 goto seq_num;
1013 }
1014
1015 /* retry with info-level 2 in case the dc does not support info-level 8
1016 * (like all older samba2 and samba3 dc's) - Guenther */
1017
1018 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1019 &dom_pol,
1020 2,
1021 &info);
1022
1023 if (NT_STATUS_IS_OK(result)) {
1024 *seq = info->general.sequence_num;
1025 got_seq_num = True;
1026 }
1027
1028 seq_num:
1029 if (got_seq_num) {
1030 DEBUG(10,("domain_sequence_number: for domain %s is %u\n",
1031 domain->name, (unsigned)*seq));
1032 } else {
1033 DEBUG(10,("domain_sequence_number: failed to get sequence "
1034 "number (%u) for domain %s\n",
1035 (unsigned)*seq, domain->name ));
1036 }
1037
1038 done:
1039
1040 talloc_destroy(mem_ctx);
1041
1042 return result;
1043 }
1044
1045 /* get a list of trusted domains */
1046 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1047 TALLOC_CTX *mem_ctx,
1048 uint32 *num_domains,
1049 char ***names,
1050 char ***alt_names,
1051 DOM_SID **dom_sids)
1052 {
1053 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1054 uint32 enum_ctx = 0;
1055 struct rpc_pipe_client *cli;
1056 POLICY_HND lsa_policy;
1057
1058 DEBUG(3,("rpc: trusted_domains\n"));
1059
1060 *num_domains = 0;
1061 *names = NULL;
1062 *alt_names = NULL;
1063 *dom_sids = NULL;
1064
1065 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
1066 if (!NT_STATUS_IS_OK(result))
1067 return result;
1068
1069 result = STATUS_MORE_ENTRIES;
1070
1071 while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1072 uint32 start_idx;
1073 int i;
1074 struct lsa_DomainList dom_list;
1075
1076 result = rpccli_lsa_EnumTrustDom(cli, mem_ctx,
1077 &lsa_policy,
1078 &enum_ctx,
1079 &dom_list,
1080 (uint32_t)-1);
1081
1082 if (!NT_STATUS_IS_OK(result) &&
1083 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES))
1084 break;
1085
1086 start_idx = *num_domains;
1087 *num_domains += dom_list.count;
1088 *names = TALLOC_REALLOC_ARRAY(mem_ctx, *names,
1089 char *, *num_domains);
1090 *dom_sids = TALLOC_REALLOC_ARRAY(mem_ctx, *dom_sids,
1091 DOM_SID, *num_domains);
1092 *alt_names = TALLOC_REALLOC_ARRAY(mem_ctx, *alt_names,
1093 char *, *num_domains);
1094 if ((*names == NULL) || (*dom_sids == NULL) ||
1095 (*alt_names == NULL))
1096 return NT_STATUS_NO_MEMORY;
1097
1098 for (i=0; i<dom_list.count; i++) {
1099 (*names)[start_idx+i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
1100 (*dom_sids)[start_idx+i] = *dom_list.domains[i].sid;
1101 (*alt_names)[start_idx+i] = talloc_strdup(mem_ctx, "");
1102 }
1103 }
1104 return result;
1105 }
1106
1107 /* find the lockout policy for a domain */
1108 static NTSTATUS msrpc_lockout_policy(struct winbindd_domain *domain,
1109 TALLOC_CTX *mem_ctx,
1110 struct samr_DomInfo12 *lockout_policy)
1111 {
1112 NTSTATUS result;
1113 struct rpc_pipe_client *cli;
1114 POLICY_HND dom_pol;
1115 union samr_DomainInfo *info = NULL;
1116
1117 DEBUG(10,("rpc: fetch lockout policy for %s\n", domain->name));
1118
1119 if ( !winbindd_can_contact_domain( domain ) ) {
1120 DEBUG(10,("msrpc_lockout_policy: No incoming trust for domain %s\n",
1121 domain->name));
1122 return NT_STATUS_NOT_SUPPORTED;
1123 }
1124
1125 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1126 if (!NT_STATUS_IS_OK(result)) {
1127 goto done;
1128 }
1129
1130 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1131 &dom_pol,
1132 12,
1133 &info);
1134 if (!NT_STATUS_IS_OK(result)) {
1135 goto done;
1136 }
1137
1138 *lockout_policy = info->info12;
1139
1140 DEBUG(10,("msrpc_lockout_policy: lockout_threshold %d\n",
1141 info->info12.lockout_threshold));
1142
1143 done:
1144
1145 return result;
1146 }
1147
1148 /* find the password policy for a domain */
1149 static NTSTATUS msrpc_password_policy(struct winbindd_domain *domain,
1150 TALLOC_CTX *mem_ctx,
1151 struct samr_DomInfo1 *password_policy)
1152 {
1153 NTSTATUS result;
1154 struct rpc_pipe_client *cli;
1155 POLICY_HND dom_pol;
1156 union samr_DomainInfo *info = NULL;
1157
1158 DEBUG(10,("rpc: fetch password policy for %s\n", domain->name));
1159
1160 if ( !winbindd_can_contact_domain( domain ) ) {
1161 DEBUG(10,("msrpc_password_policy: No incoming trust for domain %s\n",
1162 domain->name));
1163 return NT_STATUS_NOT_SUPPORTED;
1164 }
1165
1166 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1167 if (!NT_STATUS_IS_OK(result)) {
1168 goto done;
1169 }
1170
1171 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1172 &dom_pol,
1173 1,
1174 &info);
1175 if (!NT_STATUS_IS_OK(result)) {
1176 goto done;
1177 }
1178
1179 *password_policy = info->info1;
1180
1181 DEBUG(10,("msrpc_password_policy: min_length_password %d\n",
1182 info->info1.min_password_length));
1183
1184 done:
1185
1186 return result;
1187 }
1188
1189
1190 /* the rpc backend methods are exposed via this structure */
1191 struct winbindd_methods msrpc_methods = {
1192 False,
1193 query_user_list,
1194 enum_dom_groups,
1195 enum_local_groups,
1196 msrpc_name_to_sid,
1197 msrpc_sid_to_name,
1198 msrpc_rids_to_names,
1199 query_user,
1200 lookup_usergroups,
1201 msrpc_lookup_useraliases,
1202 lookup_groupmem,
1203 sequence_number,
1204 msrpc_lockout_policy,
1205 msrpc_password_policy,
1206 trusted_domains,
1207 };
WIP