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winbindd: add event based machine password change.
[Samba/gebeck_regimport.git] / source3 / winbindd / winbindd_rpc.c
blobbb79d7ec1269a24d54a7ff91c46f6d23a099e3e0
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
283 if (name == NULL || *name=='\0') {
284 full_name = talloc_asprintf(mem_ctx, "%s", domain_name);
285 } else if (domain_name == NULL || *domain_name == '\0') {
286 full_name = talloc_asprintf(mem_ctx, "%s", name);
287 } else {
288 full_name = talloc_asprintf(mem_ctx, "%s\\%s", domain_name, name);
289 }
290 if (!full_name) {
291 DEBUG(0, ("talloc_asprintf failed!\n"));
292 return NT_STATUS_NO_MEMORY;
293 }
294
295 DEBUG(3,("rpc: name_to_sid name=%s\n", full_name));
296
297 ws_name_return( full_name, WB_REPLACE_CHAR );
298
299 DEBUG(3,("name_to_sid [rpc] %s for domain %s\n", full_name?full_name:"", domain_name ));
300
301 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
302 if (!NT_STATUS_IS_OK(result))
303 return result;
304
305 result = rpccli_lsa_lookup_names(cli, mem_ctx, &lsa_policy, 1,
306 (const char**) &full_name, NULL, 1, &sids, &types);
307
308 if (!NT_STATUS_IS_OK(result))
309 return result;
310
311 /* Return rid and type if lookup successful */
312
313 sid_copy(sid, &sids[0]);
314 *type = types[0];
315
316 return NT_STATUS_OK;
317 }
318
319 /*
320 convert a domain SID to a user or group name
321 */
322 NTSTATUS msrpc_sid_to_name(struct winbindd_domain *domain,
323 TALLOC_CTX *mem_ctx,
324 const DOM_SID *sid,
325 char **domain_name,
326 char **name,
327 enum lsa_SidType *type)
328 {
329 char **domains;
330 char **names;
331 enum lsa_SidType *types = NULL;
332 NTSTATUS result;
333 struct rpc_pipe_client *cli;
334 POLICY_HND lsa_policy;
335
336 DEBUG(3,("sid_to_name [rpc] %s for domain %s\n", sid_string_dbg(sid),
337 domain->name ));
338
339 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
340 if (!NT_STATUS_IS_OK(result)) {
341 DEBUG(2,("msrpc_sid_to_name: cm_connect_lsa() failed (%s)\n",
342 nt_errstr(result)));
343 return result;
344 }
345
346
347 result = rpccli_lsa_lookup_sids(cli, mem_ctx, &lsa_policy,
348 1, sid, &domains, &names, &types);
349 if (!NT_STATUS_IS_OK(result)) {
350 DEBUG(2,("msrpc_sid_to_name: rpccli_lsa_lookup_sids() failed (%s)\n",
351 nt_errstr(result)));
352 return result;
353 }
354
355 *type = (enum lsa_SidType)types[0];
356 *domain_name = domains[0];
357 *name = names[0];
358
359 ws_name_replace( *name, WB_REPLACE_CHAR );
360
361 DEBUG(5,("Mapped sid to [%s]\\[%s]\n", domains[0], *name));
362 return NT_STATUS_OK;
363 }
364
365 NTSTATUS msrpc_rids_to_names(struct winbindd_domain *domain,
366 TALLOC_CTX *mem_ctx,
367 const DOM_SID *sid,
368 uint32 *rids,
369 size_t num_rids,
370 char **domain_name,
371 char ***names,
372 enum lsa_SidType **types)
373 {
374 char **domains;
375 NTSTATUS result;
376 struct rpc_pipe_client *cli;
377 POLICY_HND lsa_policy;
378 DOM_SID *sids;
379 size_t i;
380 char **ret_names;
381
382 DEBUG(3, ("rids_to_names [rpc] for domain %s\n", domain->name ));
383
384 if (num_rids) {
385 sids = TALLOC_ARRAY(mem_ctx, DOM_SID, num_rids);
386 if (sids == NULL) {
387 return NT_STATUS_NO_MEMORY;
388 }
389 } else {
390 sids = NULL;
391 }
392
393 for (i=0; i<num_rids; i++) {
394 if (!sid_compose(&sids[i], sid, rids[i])) {
395 return NT_STATUS_INTERNAL_ERROR;
396 }
397 }
398
399 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
400 if (!NT_STATUS_IS_OK(result)) {
401 return result;
402 }
403
404 result = rpccli_lsa_lookup_sids(cli, mem_ctx, &lsa_policy,
405 num_rids, sids, &domains,
406 names, types);
407 if (!NT_STATUS_IS_OK(result) &&
408 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED)) {
409 return result;
410 }
411
412 ret_names = *names;
413 for (i=0; i<num_rids; i++) {
414 if ((*types)[i] != SID_NAME_UNKNOWN) {
415 ws_name_replace( ret_names[i], WB_REPLACE_CHAR );
416 *domain_name = domains[i];
417 }
418 }
419
420 return result;
421 }
422
423 /* Lookup user information from a rid or username. */
424 static NTSTATUS query_user(struct winbindd_domain *domain,
425 TALLOC_CTX *mem_ctx,
426 const DOM_SID *user_sid,
427 WINBIND_USERINFO *user_info)
428 {
429 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
430 POLICY_HND dom_pol, user_pol;
431 union samr_UserInfo *info = NULL;
432 uint32 user_rid;
433 struct netr_SamInfo3 *user;
434 struct rpc_pipe_client *cli;
435
436 DEBUG(3,("rpc: query_user sid=%s\n", sid_string_dbg(user_sid)));
437
438 if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
439 return NT_STATUS_UNSUCCESSFUL;
440
441 user_info->homedir = NULL;
442 user_info->shell = NULL;
443 user_info->primary_gid = (gid_t)-1;
444
445 /* try netsamlogon cache first */
446
447 if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
448 {
449
450 DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
451 sid_string_dbg(user_sid)));
452
453 sid_compose(&user_info->user_sid, &domain->sid, user->base.rid);
454 sid_compose(&user_info->group_sid, &domain->sid,
455 user->base.primary_gid);
456
457 user_info->acct_name = talloc_strdup(mem_ctx,
458 user->base.account_name.string);
459 user_info->full_name = talloc_strdup(mem_ctx,
460 user->base.full_name.string);
461
462 TALLOC_FREE(user);
463
464 return NT_STATUS_OK;
465 }
466
467 if ( !winbindd_can_contact_domain( domain ) ) {
468 DEBUG(10,("query_user: No incoming trust for domain %s\n",
469 domain->name));
470 return NT_STATUS_OK;
471 }
472
473 if ( !winbindd_can_contact_domain( domain ) ) {
474 DEBUG(10,("query_user: No incoming trust for domain %s\n",
475 domain->name));
476 return NT_STATUS_OK;
477 }
478
479 if ( !winbindd_can_contact_domain( domain ) ) {
480 DEBUG(10,("query_user: No incoming trust for domain %s\n",
481 domain->name));
482 return NT_STATUS_OK;
483 }
484
485 /* no cache; hit the wire */
486
487 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
488 if (!NT_STATUS_IS_OK(result))
489 return result;
490
491 /* Get user handle */
492 result = rpccli_samr_OpenUser(cli, mem_ctx,
493 &dom_pol,
494 SEC_RIGHTS_MAXIMUM_ALLOWED,
495 user_rid,
496 &user_pol);
497
498 if (!NT_STATUS_IS_OK(result))
499 return result;
500
501 /* Get user info */
502 result = rpccli_samr_QueryUserInfo(cli, mem_ctx,
503 &user_pol,
504 0x15,
505 &info);
506
507 rpccli_samr_Close(cli, mem_ctx, &user_pol);
508
509 if (!NT_STATUS_IS_OK(result))
510 return result;
511
512 sid_compose(&user_info->user_sid, &domain->sid, user_rid);
513 sid_compose(&user_info->group_sid, &domain->sid,
514 info->info21.primary_gid);
515 user_info->acct_name = talloc_strdup(mem_ctx,
516 info->info21.account_name.string);
517 user_info->full_name = talloc_strdup(mem_ctx,
518 info->info21.full_name.string);
519 user_info->homedir = NULL;
520 user_info->shell = NULL;
521 user_info->primary_gid = (gid_t)-1;
522
523 return NT_STATUS_OK;
524 }
525
526 /* Lookup groups a user is a member of. I wish Unix had a call like this! */
527 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
528 TALLOC_CTX *mem_ctx,
529 const DOM_SID *user_sid,
530 uint32 *num_groups, DOM_SID **user_grpsids)
531 {
532 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
533 POLICY_HND dom_pol, user_pol;
534 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
535 struct samr_RidWithAttributeArray *rid_array = NULL;
536 unsigned int i;
537 uint32 user_rid;
538 struct rpc_pipe_client *cli;
539
540 DEBUG(3,("rpc: lookup_usergroups sid=%s\n", sid_string_dbg(user_sid)));
541
542 if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
543 return NT_STATUS_UNSUCCESSFUL;
544
545 *num_groups = 0;
546 *user_grpsids = NULL;
547
548 /* so lets see if we have a cached user_info_3 */
549 result = lookup_usergroups_cached(domain, mem_ctx, user_sid,
550 num_groups, user_grpsids);
551
552 if (NT_STATUS_IS_OK(result)) {
553 return NT_STATUS_OK;
554 }
555
556 if ( !winbindd_can_contact_domain( domain ) ) {
557 DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
558 domain->name));
559
560 /* Tell the cache manager not to remember this one */
561
562 return NT_STATUS_SYNCHRONIZATION_REQUIRED;
563 }
564
565 /* no cache; hit the wire */
566
567 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
568 if (!NT_STATUS_IS_OK(result))
569 return result;
570
571 /* Get user handle */
572 result = rpccli_samr_OpenUser(cli, mem_ctx,
573 &dom_pol,
574 des_access,
575 user_rid,
576 &user_pol);
577
578 if (!NT_STATUS_IS_OK(result))
579 return result;
580
581 /* Query user rids */
582 result = rpccli_samr_GetGroupsForUser(cli, mem_ctx,
583 &user_pol,
584 &rid_array);
585 *num_groups = rid_array->count;
586
587 rpccli_samr_Close(cli, mem_ctx, &user_pol);
588
589 if (!NT_STATUS_IS_OK(result) || (*num_groups) == 0)
590 return result;
591
592 (*user_grpsids) = TALLOC_ARRAY(mem_ctx, DOM_SID, *num_groups);
593 if (!(*user_grpsids))
594 return NT_STATUS_NO_MEMORY;
595
596 for (i=0;i<(*num_groups);i++) {
597 sid_copy(&((*user_grpsids)[i]), &domain->sid);
598 sid_append_rid(&((*user_grpsids)[i]),
599 rid_array->rids[i].rid);
600 }
601
602 return NT_STATUS_OK;
603 }
604
605 NTSTATUS msrpc_lookup_useraliases(struct winbindd_domain *domain,
606 TALLOC_CTX *mem_ctx,
607 uint32 num_sids, const DOM_SID *sids,
608 uint32 *num_aliases, uint32 **alias_rids)
609 {
610 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
611 POLICY_HND dom_pol;
612 uint32 num_query_sids = 0;
613 int i;
614 struct rpc_pipe_client *cli;
615 struct samr_Ids alias_rids_query;
616 int rangesize = MAX_SAM_ENTRIES_W2K;
617 uint32 total_sids = 0;
618 int num_queries = 1;
619
620 *num_aliases = 0;
621 *alias_rids = NULL;
622
623 DEBUG(3,("rpc: lookup_useraliases\n"));
624
625 if ( !winbindd_can_contact_domain( domain ) ) {
626 DEBUG(10,("msrpc_lookup_useraliases: No incoming trust for domain %s\n",
627 domain->name));
628 return NT_STATUS_OK;
629 }
630
631 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
632 if (!NT_STATUS_IS_OK(result))
633 return result;
634
635 do {
636 /* prepare query */
637 struct lsa_SidArray sid_array;
638
639 ZERO_STRUCT(sid_array);
640
641 num_query_sids = MIN(num_sids - total_sids, rangesize);
642
643 DEBUG(10,("rpc: lookup_useraliases: entering query %d for %d sids\n",
644 num_queries, num_query_sids));
645
646 if (num_query_sids) {
647 sid_array.sids = TALLOC_ZERO_ARRAY(mem_ctx, struct lsa_SidPtr, num_query_sids);
648 if (sid_array.sids == NULL) {
649 return NT_STATUS_NO_MEMORY;
650 }
651 } else {
652 sid_array.sids = NULL;
653 }
654
655 for (i=0; i<num_query_sids; i++) {
656 sid_array.sids[i].sid = sid_dup_talloc(mem_ctx, &sids[total_sids++]);
657 if (!sid_array.sids[i].sid) {
658 TALLOC_FREE(sid_array.sids);
659 return NT_STATUS_NO_MEMORY;
660 }
661 }
662 sid_array.num_sids = num_query_sids;
663
664 /* do request */
665 result = rpccli_samr_GetAliasMembership(cli, mem_ctx,
666 &dom_pol,
667 &sid_array,
668 &alias_rids_query);
669
670 if (!NT_STATUS_IS_OK(result)) {
671 *num_aliases = 0;
672 *alias_rids = NULL;
673 TALLOC_FREE(sid_array.sids);
674 goto done;
675 }
676
677 /* process output */
678
679 for (i=0; i<alias_rids_query.count; i++) {
680 size_t na = *num_aliases;
681 if (!add_rid_to_array_unique(mem_ctx, alias_rids_query.ids[i],
682 alias_rids, &na)) {
683 return NT_STATUS_NO_MEMORY;
684 }
685 *num_aliases = na;
686 }
687
688 TALLOC_FREE(sid_array.sids);
689
690 num_queries++;
691
692 } while (total_sids < num_sids);
693
694 done:
695 DEBUG(10,("rpc: lookup_useraliases: got %d aliases in %d queries "
696 "(rangesize: %d)\n", *num_aliases, num_queries, rangesize));
697
698 return result;
699 }
700
701
702 /* Lookup group membership given a rid. */
703 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
704 TALLOC_CTX *mem_ctx,
705 const DOM_SID *group_sid, uint32 *num_names,
706 DOM_SID **sid_mem, char ***names,
707 uint32 **name_types)
708 {
709 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
710 uint32 i, total_names = 0;
711 POLICY_HND dom_pol, group_pol;
712 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
713 uint32 *rid_mem = NULL;
714 uint32 group_rid;
715 unsigned int j, r;
716 struct rpc_pipe_client *cli;
717 unsigned int orig_timeout;
718 struct samr_RidTypeArray *rids = NULL;
719
720 DEBUG(10,("rpc: lookup_groupmem %s sid=%s\n", domain->name,
721 sid_string_dbg(group_sid)));
722
723 if ( !winbindd_can_contact_domain( domain ) ) {
724 DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
725 domain->name));
726 return NT_STATUS_OK;
727 }
728
729 if (!sid_peek_check_rid(&domain->sid, group_sid, &group_rid))
730 return NT_STATUS_UNSUCCESSFUL;
731
732 *num_names = 0;
733
734 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
735 if (!NT_STATUS_IS_OK(result))
736 return result;
737
738 result = rpccli_samr_OpenGroup(cli, mem_ctx,
739 &dom_pol,
740 des_access,
741 group_rid,
742 &group_pol);
743
744 if (!NT_STATUS_IS_OK(result))
745 return result;
746
747 /* Step #1: Get a list of user rids that are the members of the
748 group. */
749
750 /* This call can take a long time - allow the server to time out.
751 35 seconds should do it. */
752
753 orig_timeout = rpccli_set_timeout(cli, 35000);
754
755 result = rpccli_samr_QueryGroupMember(cli, mem_ctx,
756 &group_pol,
757 &rids);
758
759 /* And restore our original timeout. */
760 rpccli_set_timeout(cli, orig_timeout);
761
762 rpccli_samr_Close(cli, mem_ctx, &group_pol);
763
764 if (!NT_STATUS_IS_OK(result))
765 return result;
766
767 *num_names = rids->count;
768 rid_mem = rids->rids;
769
770 if (!*num_names) {
771 names = NULL;
772 name_types = NULL;
773 sid_mem = NULL;
774 return NT_STATUS_OK;
775 }
776
777 /* Step #2: Convert list of rids into list of usernames. Do this
778 in bunches of ~1000 to avoid crashing NT4. It looks like there
779 is a buffer overflow or something like that lurking around
780 somewhere. */
781
782 #define MAX_LOOKUP_RIDS 900
783
784 *names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_names);
785 *name_types = TALLOC_ZERO_ARRAY(mem_ctx, uint32, *num_names);
786 *sid_mem = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_names);
787
788 for (j=0;j<(*num_names);j++)
789 sid_compose(&(*sid_mem)[j], &domain->sid, rid_mem[j]);
790
791 if (*num_names>0 && (!*names || !*name_types))
792 return NT_STATUS_NO_MEMORY;
793
794 for (i = 0; i < *num_names; i += MAX_LOOKUP_RIDS) {
795 int num_lookup_rids = MIN(*num_names - i, MAX_LOOKUP_RIDS);
796 struct lsa_Strings tmp_names;
797 struct samr_Ids tmp_types;
798
799 /* Lookup a chunk of rids */
800
801 result = rpccli_samr_LookupRids(cli, mem_ctx,
802 &dom_pol,
803 num_lookup_rids,
804 &rid_mem[i],
805 &tmp_names,
806 &tmp_types);
807
808 /* see if we have a real error (and yes the
809 STATUS_SOME_UNMAPPED is the one returned from 2k) */
810
811 if (!NT_STATUS_IS_OK(result) &&
812 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED))
813 return result;
814
815 /* Copy result into array. The talloc system will take
816 care of freeing the temporary arrays later on. */
817
818 if (tmp_names.count != tmp_types.count) {
819 return NT_STATUS_UNSUCCESSFUL;
820 }
821
822 for (r=0; r<tmp_names.count; r++) {
823 (*names)[i+r] = CONST_DISCARD(char *, tmp_names.names[r].string);
824 (*name_types)[i+r] = tmp_types.ids[r];
825 }
826
827 total_names += tmp_names.count;
828 }
829
830 *num_names = total_names;
831
832 return NT_STATUS_OK;
833 }
834
835 #ifdef HAVE_LDAP
836
837 #include <ldap.h>
838
839 static int get_ldap_seq(const char *server, int port, uint32 *seq)
840 {
841 int ret = -1;
842 struct timeval to;
843 const char *attrs[] = {"highestCommittedUSN", NULL};
844 LDAPMessage *res = NULL;
845 char **values = NULL;
846 LDAP *ldp = NULL;
847
848 *seq = DOM_SEQUENCE_NONE;
849
850 /*
851 * Parameterised (5) second timeout on open. This is needed as the
852 * search timeout doesn't seem to apply to doing an open as well. JRA.
853 */
854
855 ldp = ldap_open_with_timeout(server, port, lp_ldap_timeout());
856 if (ldp == NULL)
857 return -1;
858
859 /* Timeout if no response within 20 seconds. */
860 to.tv_sec = 10;
861 to.tv_usec = 0;
862
863 if (ldap_search_st(ldp, "", LDAP_SCOPE_BASE, "(objectclass=*)",
864 CONST_DISCARD(char **, attrs), 0, &to, &res))
865 goto done;
866
867 if (ldap_count_entries(ldp, res) != 1)
868 goto done;
869
870 values = ldap_get_values(ldp, res, "highestCommittedUSN");
871 if (!values || !values[0])
872 goto done;
873
874 *seq = atoi(values[0]);
875 ret = 0;
876
877 done:
878
879 if (values)
880 ldap_value_free(values);
881 if (res)
882 ldap_msgfree(res);
883 if (ldp)
884 ldap_unbind(ldp);
885 return ret;
886 }
887
888 /**********************************************************************
889 Get the sequence number for a Windows AD native mode domain using
890 LDAP queries.
891 **********************************************************************/
892
893 static int get_ldap_sequence_number(struct winbindd_domain *domain, uint32 *seq)
894 {
895 int ret = -1;
896 char addr[INET6_ADDRSTRLEN];
897
898 print_sockaddr(addr, sizeof(addr), &domain->dcaddr);
899 if ((ret = get_ldap_seq(addr, LDAP_PORT, seq)) == 0) {
900 DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence "
901 "number for Domain (%s) from DC (%s)\n",
902 domain->name, addr));
903 }
904 return ret;
905 }
906
907 #endif /* HAVE_LDAP */
908
909 /* find the sequence number for a domain */
910 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
911 {
912 TALLOC_CTX *mem_ctx;
913 union samr_DomainInfo *info = NULL;
914 NTSTATUS result;
915 POLICY_HND dom_pol;
916 bool got_seq_num = False;
917 struct rpc_pipe_client *cli;
918
919 DEBUG(10,("rpc: fetch sequence_number for %s\n", domain->name));
920
921 if ( !winbindd_can_contact_domain( domain ) ) {
922 DEBUG(10,("sequence_number: No incoming trust for domain %s\n",
923 domain->name));
924 *seq = time(NULL);
925 return NT_STATUS_OK;
926 }
927
928 *seq = DOM_SEQUENCE_NONE;
929
930 if (!(mem_ctx = talloc_init("sequence_number[rpc]")))
931 return NT_STATUS_NO_MEMORY;
932
933 #ifdef HAVE_LDAP
934 if ( domain->active_directory )
935 {
936 int res;
937
938 DEBUG(8,("using get_ldap_seq() to retrieve the "
939 "sequence number\n"));
940
941 res = get_ldap_sequence_number( domain, seq );
942 if (res == 0)
943 {
944 result = NT_STATUS_OK;
945 DEBUG(10,("domain_sequence_number: LDAP for "
946 "domain %s is %u\n",
947 domain->name, *seq));
948 goto done;
949 }
950
951 DEBUG(10,("domain_sequence_number: failed to get LDAP "
952 "sequence number for domain %s\n",
953 domain->name ));
954 }
955 #endif /* HAVE_LDAP */
956
957 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
958 if (!NT_STATUS_IS_OK(result)) {
959 goto done;
960 }
961
962 /* Query domain info */
963
964 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
965 &dom_pol,
966 8,
967 &info);
968
969 if (NT_STATUS_IS_OK(result)) {
970 *seq = info->info8.sequence_num;
971 got_seq_num = True;
972 goto seq_num;
973 }
974
975 /* retry with info-level 2 in case the dc does not support info-level 8
976 * (like all older samba2 and samba3 dc's) - Guenther */
977
978 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
979 &dom_pol,
980 2,
981 &info);
982
983 if (NT_STATUS_IS_OK(result)) {
984 *seq = info->info2.sequence_num;
985 got_seq_num = True;
986 }
987
988 seq_num:
989 if (got_seq_num) {
990 DEBUG(10,("domain_sequence_number: for domain %s is %u\n",
991 domain->name, (unsigned)*seq));
992 } else {
993 DEBUG(10,("domain_sequence_number: failed to get sequence "
994 "number (%u) for domain %s\n",
995 (unsigned)*seq, domain->name ));
996 }
997
998 done:
999
1000 talloc_destroy(mem_ctx);
1001
1002 return result;
1003 }
1004
1005 /* get a list of trusted domains */
1006 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
1007 TALLOC_CTX *mem_ctx,
1008 uint32 *num_domains,
1009 char ***names,
1010 char ***alt_names,
1011 DOM_SID **dom_sids)
1012 {
1013 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
1014 uint32 enum_ctx = 0;
1015 struct rpc_pipe_client *cli;
1016 POLICY_HND lsa_policy;
1017
1018 DEBUG(3,("rpc: trusted_domains\n"));
1019
1020 *num_domains = 0;
1021 *names = NULL;
1022 *alt_names = NULL;
1023 *dom_sids = NULL;
1024
1025 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
1026 if (!NT_STATUS_IS_OK(result))
1027 return result;
1028
1029 result = STATUS_MORE_ENTRIES;
1030
1031 while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1032 uint32 start_idx;
1033 int i;
1034 struct lsa_DomainList dom_list;
1035
1036 result = rpccli_lsa_EnumTrustDom(cli, mem_ctx,
1037 &lsa_policy,
1038 &enum_ctx,
1039 &dom_list,
1040 (uint32_t)-1);
1041
1042 if (!NT_STATUS_IS_OK(result) &&
1043 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES))
1044 break;
1045
1046 start_idx = *num_domains;
1047 *num_domains += dom_list.count;
1048 *names = TALLOC_REALLOC_ARRAY(mem_ctx, *names,
1049 char *, *num_domains);
1050 *dom_sids = TALLOC_REALLOC_ARRAY(mem_ctx, *dom_sids,
1051 DOM_SID, *num_domains);
1052 *alt_names = TALLOC_REALLOC_ARRAY(mem_ctx, *alt_names,
1053 char *, *num_domains);
1054 if ((*names == NULL) || (*dom_sids == NULL) ||
1055 (*alt_names == NULL))
1056 return NT_STATUS_NO_MEMORY;
1057
1058 for (i=0; i<dom_list.count; i++) {
1059 (*names)[start_idx+i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
1060 (*dom_sids)[start_idx+i] = *dom_list.domains[i].sid;
1061 (*alt_names)[start_idx+i] = talloc_strdup(mem_ctx, "");
1062 }
1063 }
1064 return result;
1065 }
1066
1067 /* find the lockout policy for a domain */
1068 NTSTATUS msrpc_lockout_policy(struct winbindd_domain *domain,
1069 TALLOC_CTX *mem_ctx,
1070 struct samr_DomInfo12 *lockout_policy)
1071 {
1072 NTSTATUS result;
1073 struct rpc_pipe_client *cli;
1074 POLICY_HND dom_pol;
1075 union samr_DomainInfo *info = NULL;
1076
1077 DEBUG(10,("rpc: fetch lockout policy for %s\n", domain->name));
1078
1079 if ( !winbindd_can_contact_domain( domain ) ) {
1080 DEBUG(10,("msrpc_lockout_policy: No incoming trust for domain %s\n",
1081 domain->name));
1082 return NT_STATUS_NOT_SUPPORTED;
1083 }
1084
1085 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1086 if (!NT_STATUS_IS_OK(result)) {
1087 goto done;
1088 }
1089
1090 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1091 &dom_pol,
1092 12,
1093 &info);
1094 if (!NT_STATUS_IS_OK(result)) {
1095 goto done;
1096 }
1097
1098 *lockout_policy = info->info12;
1099
1100 DEBUG(10,("msrpc_lockout_policy: lockout_threshold %d\n",
1101 info->info12.lockout_threshold));
1102
1103 done:
1104
1105 return result;
1106 }
1107
1108 /* find the password policy for a domain */
1109 NTSTATUS msrpc_password_policy(struct winbindd_domain *domain,
1110 TALLOC_CTX *mem_ctx,
1111 struct samr_DomInfo1 *password_policy)
1112 {
1113 NTSTATUS result;
1114 struct rpc_pipe_client *cli;
1115 POLICY_HND dom_pol;
1116 union samr_DomainInfo *info = NULL;
1117
1118 DEBUG(10,("rpc: fetch password policy for %s\n", domain->name));
1119
1120 if ( !winbindd_can_contact_domain( domain ) ) {
1121 DEBUG(10,("msrpc_password_policy: No incoming trust for domain %s\n",
1122 domain->name));
1123 return NT_STATUS_NOT_SUPPORTED;
1124 }
1125
1126 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1127 if (!NT_STATUS_IS_OK(result)) {
1128 goto done;
1129 }
1130
1131 result = rpccli_samr_QueryDomainInfo(cli, mem_ctx,
1132 &dom_pol,
1133 1,
1134 &info);
1135 if (!NT_STATUS_IS_OK(result)) {
1136 goto done;
1137 }
1138
1139 *password_policy = info->info1;
1140
1141 DEBUG(10,("msrpc_password_policy: min_length_password %d\n",
1142 info->info1.min_password_length));
1143
1144 done:
1145
1146 return result;
1147 }
1148
1149
1150 /* the rpc backend methods are exposed via this structure */
1151 struct winbindd_methods msrpc_methods = {
1152 False,
1153 query_user_list,
1154 enum_dom_groups,
1155 enum_local_groups,
1156 msrpc_name_to_sid,
1157 msrpc_sid_to_name,
1158 msrpc_rids_to_names,
1159 query_user,
1160 lookup_usergroups,
1161 msrpc_lookup_useraliases,
1162 lookup_groupmem,
1163 sequence_number,
1164 msrpc_lockout_policy,
1165 msrpc_password_policy,
1166 trusted_domains,
1167 };
reg import