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docs: Do not encourage unix passwords, and remove reference to password level
[Samba/bjacke.git] / source3 / rpc_client / cli_lsarpc.c
blob126f3705a3ad7611dbbc028a5eae40a85249f01a
1 /*
2 Unix SMB/CIFS implementation.
3 RPC pipe client
4 Copyright (C) Tim Potter 2000-2001,
5 Copyright (C) Andrew Tridgell 1992-1997,2000,
6 Copyright (C) Rafal Szczesniak 2002
7 Copyright (C) Jeremy Allison 2005.
8 Copyright (C) Michael Adam 2007.
9 Copyright (C) Guenther Deschner 2008.
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 "rpc_client/rpc_client.h"
27 #include "../librpc/gen_ndr/ndr_lsa_c.h"
28 #include "rpc_client/cli_lsarpc.h"
29 #include "rpc_client/init_lsa.h"
30 #include "../libcli/security/security.h"
31
32 /** @defgroup lsa LSA - Local Security Architecture
33 * @ingroup rpc_client
34 *
35 * @{
36 **/
37
38 /**
39 * @file cli_lsarpc.c
40 *
41 * RPC client routines for the LSA RPC pipe. LSA means "local
42 * security authority", which is half of a password database.
43 **/
44
45 NTSTATUS dcerpc_lsa_open_policy(struct dcerpc_binding_handle *h,
46 TALLOC_CTX *mem_ctx,
47 bool sec_qos,
48 uint32_t des_access,
49 struct policy_handle *pol,
50 NTSTATUS *result)
51 {
52 struct lsa_ObjectAttribute attr;
53 struct lsa_QosInfo qos;
54 uint16_t system_name = '\\';
55
56 ZERO_STRUCT(attr);
57
58 attr.len = 0x18;
59
60 if (sec_qos) {
61 qos.len = 0xc;
62 qos.impersonation_level = 2;
63 qos.context_mode = 1;
64 qos.effective_only = 0;
65
66 attr.sec_qos = &qos;
67 }
68
69 return dcerpc_lsa_OpenPolicy(h,
70 mem_ctx,
71 &system_name,
72 &attr,
73 des_access,
74 pol,
75 result);
76 }
77
78 /** Open a LSA policy handle
79 *
80 * @param cli Handle on an initialised SMB connection */
81
82 NTSTATUS rpccli_lsa_open_policy(struct rpc_pipe_client *cli,
83 TALLOC_CTX *mem_ctx,
84 bool sec_qos, uint32 des_access,
85 struct policy_handle *pol)
86 {
87 NTSTATUS status;
88 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
89
90 status = dcerpc_lsa_open_policy(cli->binding_handle,
91 mem_ctx,
92 sec_qos,
93 des_access,
94 pol,
95 &result);
96 if (!NT_STATUS_IS_OK(status)) {
97 return status;
98 }
99
100 return result;
101 }
102
103 NTSTATUS dcerpc_lsa_open_policy2(struct dcerpc_binding_handle *h,
104 TALLOC_CTX *mem_ctx,
105 const char *srv_name_slash,
106 bool sec_qos,
107 uint32_t des_access,
108 struct policy_handle *pol,
109 NTSTATUS *result)
110 {
111 struct lsa_ObjectAttribute attr;
112 struct lsa_QosInfo qos;
113
114 ZERO_STRUCT(attr);
115
116 attr.len = 0x18;
117
118 if (sec_qos) {
119 qos.len = 0xc;
120 qos.impersonation_level = 2;
121 qos.context_mode = 1;
122 qos.effective_only = 0;
123
124 attr.sec_qos = &qos;
125 }
126
127 return dcerpc_lsa_OpenPolicy2(h,
128 mem_ctx,
129 srv_name_slash,
130 &attr,
131 des_access,
132 pol,
133 result);
134 }
135
136 /** Open a LSA policy handle
137 *
138 * @param cli Handle on an initialised SMB connection
139 */
140
141 NTSTATUS rpccli_lsa_open_policy2(struct rpc_pipe_client *cli,
142 TALLOC_CTX *mem_ctx, bool sec_qos,
143 uint32 des_access, struct policy_handle *pol)
144 {
145 NTSTATUS status;
146 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
147
148 status = dcerpc_lsa_open_policy2(cli->binding_handle,
149 mem_ctx,
150 cli->srv_name_slash,
151 sec_qos,
152 des_access,
153 pol,
154 &result);
155 if (!NT_STATUS_IS_OK(status)) {
156 return status;
157 }
158
159 return result;
160 }
161
162 /* Lookup a list of sids
163 *
164 * internal version withOUT memory allocation of the target arrays.
165 * this assumes sufficiently sized arrays to store domains, names and types. */
166
167 static NTSTATUS dcerpc_lsa_lookup_sids_noalloc(struct dcerpc_binding_handle *h,
168 TALLOC_CTX *mem_ctx,
169 TALLOC_CTX *domains_ctx,
170 TALLOC_CTX *names_ctx,
171 struct policy_handle *pol,
172 int num_sids,
173 const struct dom_sid *sids,
174 char **domains,
175 char **names,
176 enum lsa_SidType *types,
177 bool use_lookupsids3,
178 NTSTATUS *presult)
179 {
180 NTSTATUS status = NT_STATUS_OK;
181 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
182 struct lsa_SidArray sid_array;
183 struct lsa_RefDomainList *ref_domains = NULL;
184 struct lsa_TransNameArray lsa_names;
185 enum lsa_LookupNamesLevel level = LSA_LOOKUP_NAMES_ALL;
186 uint32_t count = 0;
187 int i;
188
189 ZERO_STRUCT(lsa_names);
190
191 sid_array.num_sids = num_sids;
192 sid_array.sids = talloc_array(mem_ctx, struct lsa_SidPtr, num_sids);
193 if (sid_array.sids == NULL) {
194 return NT_STATUS_NO_MEMORY;
195 }
196
197 for (i = 0; i<num_sids; i++) {
198 sid_array.sids[i].sid = dom_sid_dup(mem_ctx, &sids[i]);
199 if (!sid_array.sids[i].sid) {
200 return NT_STATUS_NO_MEMORY;
201 }
202 }
203
204 if (use_lookupsids3) {
205 struct lsa_TransNameArray2 lsa_names2;
206 uint32_t n;
207
208 ZERO_STRUCT(lsa_names2);
209
210 status = dcerpc_lsa_LookupSids3(h,
211 mem_ctx,
212 &sid_array,
213 &ref_domains,
214 &lsa_names2,
215 level,
216 &count,
217 LSA_LOOKUP_OPTION_SEARCH_ISOLATED_NAMES,
218 LSA_CLIENT_REVISION_2,
219 &result);
220 if (!NT_STATUS_IS_OK(status)) {
221 return status;
222 }
223
224 if(!NT_STATUS_IS_ERR(result)) {
225 lsa_names.count = lsa_names2.count;
226 lsa_names.names = talloc_array(mem_ctx,
227 struct lsa_TranslatedName,
228 lsa_names.count);
229 if (lsa_names.names == NULL) {
230 return NT_STATUS_NO_MEMORY;
231 }
232 for (n=0; n < lsa_names.count; n++) {
233 lsa_names.names[n].sid_type = lsa_names2.names[n].sid_type;
234 lsa_names.names[n].name = lsa_names2.names[n].name;
235 lsa_names.names[n].sid_index = lsa_names2.names[n].sid_index;
236 }
237 }
238
239 } else {
240 status = dcerpc_lsa_LookupSids(h,
241 mem_ctx,
242 pol,
243 &sid_array,
244 &ref_domains,
245 &lsa_names,
246 level,
247 &count,
248 &result);
249 }
250
251 DEBUG(10, ("LSA_LOOKUPSIDS returned status: '%s', result: '%s', "
252 "mapped count = %d'\n",
253 nt_errstr(status), nt_errstr(result), count));
254
255 if (!NT_STATUS_IS_OK(status)) {
256 return status;
257 }
258
259 if (!NT_STATUS_IS_OK(result) &&
260 !NT_STATUS_EQUAL(result, NT_STATUS_NONE_MAPPED) &&
261 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED))
262 {
263 *presult = result;
264 return status;
265 }
266
267 /* Return output parameters */
268 if (NT_STATUS_EQUAL(result, NT_STATUS_NONE_MAPPED) ||
269 (count == 0))
270 {
271 for (i = 0; i < num_sids; i++) {
272 (names)[i] = NULL;
273 (domains)[i] = NULL;
274 (types)[i] = SID_NAME_UNKNOWN;
275 }
276 *presult = NT_STATUS_NONE_MAPPED;
277 return status;
278 }
279
280 for (i = 0; i < num_sids; i++) {
281 const char *name, *dom_name;
282 uint32_t dom_idx = lsa_names.names[i].sid_index;
283
284 /* Translate optimised name through domain index array */
285
286 if (dom_idx != 0xffffffff) {
287
288 dom_name = ref_domains->domains[dom_idx].name.string;
289 name = lsa_names.names[i].name.string;
290
291 if (name) {
292 (names)[i] = talloc_strdup(names_ctx, name);
293 if ((names)[i] == NULL) {
294 DEBUG(0, ("cli_lsa_lookup_sids_noalloc(): out of memory\n"));
295 *presult = NT_STATUS_UNSUCCESSFUL;
296 return status;
297 }
298 } else {
299 (names)[i] = NULL;
300 }
301 domains[i] = talloc_strdup(domains_ctx,
302 dom_name ? dom_name : "");
303 (types)[i] = lsa_names.names[i].sid_type;
304 if ((domains)[i] == NULL) {
305 DEBUG(0, ("cli_lsa_lookup_sids_noalloc(): out of memory\n"));
306 *presult = NT_STATUS_UNSUCCESSFUL;
307 return status;
308 }
309
310 } else {
311 (names)[i] = NULL;
312 (domains)[i] = NULL;
313 (types)[i] = SID_NAME_UNKNOWN;
314 }
315 }
316
317 *presult = NT_STATUS_OK;
318 return status;
319 }
320
321 /* Lookup a list of sids
322 *
323 * do it the right way: there is a limit (of 20480 for w2k3) entries
324 * returned by this call. when the sids list contains more entries,
325 * empty lists are returned. This version of lsa_lookup_sids passes
326 * the list of sids in hunks of LOOKUP_SIDS_HUNK_SIZE to the lsa call. */
327
328 /* This constant defines the limit of how many sids to look up
329 * in one call (maximum). the limit from the server side is
330 * at 20480 for win2k3, but we keep it at a save 1000 for now. */
331 #define LOOKUP_SIDS_HUNK_SIZE 1000
332
333 NTSTATUS dcerpc_lsa_lookup_sids_generic(struct dcerpc_binding_handle *h,
334 TALLOC_CTX *mem_ctx,
335 struct policy_handle *pol,
336 int num_sids,
337 const struct dom_sid *sids,
338 char ***pdomains,
339 char ***pnames,
340 enum lsa_SidType **ptypes,
341 bool use_lookupsids3,
342 NTSTATUS *presult)
343 {
344 NTSTATUS status = NT_STATUS_OK;
345 NTSTATUS result = NT_STATUS_OK;
346 int sids_left = 0;
347 int sids_processed = 0;
348 const struct dom_sid *hunk_sids = sids;
349 char **hunk_domains;
350 char **hunk_names;
351 enum lsa_SidType *hunk_types;
352 char **domains = NULL;
353 char **names = NULL;
354 enum lsa_SidType *types = NULL;
355 bool have_mapped = false;
356 bool have_unmapped = false;
357
358 if (num_sids) {
359 if (!(domains = talloc_array(mem_ctx, char *, num_sids))) {
360 DEBUG(0, ("rpccli_lsa_lookup_sids(): out of memory\n"));
361 status = NT_STATUS_NO_MEMORY;
362 goto fail;
363 }
364
365 if (!(names = talloc_array(mem_ctx, char *, num_sids))) {
366 DEBUG(0, ("rpccli_lsa_lookup_sids(): out of memory\n"));
367 status = NT_STATUS_NO_MEMORY;
368 goto fail;
369 }
370
371 if (!(types = talloc_array(mem_ctx, enum lsa_SidType, num_sids))) {
372 DEBUG(0, ("rpccli_lsa_lookup_sids(): out of memory\n"));
373 status = NT_STATUS_NO_MEMORY;
374 goto fail;
375 }
376 }
377
378 sids_left = num_sids;
379 hunk_domains = domains;
380 hunk_names = names;
381 hunk_types = types;
382
383 while (sids_left > 0) {
384 int hunk_num_sids;
385 NTSTATUS hunk_result = NT_STATUS_UNSUCCESSFUL;
386
387 hunk_num_sids = ((sids_left > LOOKUP_SIDS_HUNK_SIZE)
388 ? LOOKUP_SIDS_HUNK_SIZE
389 : sids_left);
390
391 DEBUG(10, ("rpccli_lsa_lookup_sids: processing items "
392 "%d -- %d of %d.\n",
393 sids_processed,
394 sids_processed + hunk_num_sids - 1,
395 num_sids));
396
397 status = dcerpc_lsa_lookup_sids_noalloc(h,
398 mem_ctx,
399 (TALLOC_CTX *)domains,
400 (TALLOC_CTX *)names,
401 pol,
402 hunk_num_sids,
403 hunk_sids,
404 hunk_domains,
405 hunk_names,
406 hunk_types,
407 use_lookupsids3,
408 &hunk_result);
409 if (!NT_STATUS_IS_OK(status)) {
410 goto fail;
411 }
412
413 if (!NT_STATUS_IS_OK(hunk_result) &&
414 !NT_STATUS_EQUAL(hunk_result, STATUS_SOME_UNMAPPED) &&
415 !NT_STATUS_EQUAL(hunk_result, NT_STATUS_NONE_MAPPED))
416 {
417 /* An actual error occured */
418 *presult = hunk_result;
419 goto fail;
420 }
421
422 if (NT_STATUS_IS_OK(hunk_result)) {
423 have_mapped = true;
424 }
425 if (NT_STATUS_EQUAL(hunk_result, NT_STATUS_NONE_MAPPED)) {
426 have_unmapped = true;
427 }
428 if (NT_STATUS_EQUAL(hunk_result, STATUS_SOME_UNMAPPED)) {
429 int i;
430 for (i=0; i<hunk_num_sids; i++) {
431 if (hunk_types[i] == SID_NAME_UNKNOWN) {
432 have_unmapped = true;
433 } else {
434 have_mapped = true;
435 }
436 }
437 }
438
439 sids_left -= hunk_num_sids;
440 sids_processed += hunk_num_sids;
441 hunk_sids += hunk_num_sids;
442 hunk_domains += hunk_num_sids;
443 hunk_names += hunk_num_sids;
444 hunk_types += hunk_num_sids;
445 }
446
447 *pdomains = domains;
448 *pnames = names;
449 *ptypes = types;
450
451 if (!have_mapped) {
452 result = NT_STATUS_NONE_MAPPED;
453 }
454 if (have_unmapped) {
455 result = STATUS_SOME_UNMAPPED;
456 }
457 *presult = result;
458
459 return status;
460
461 fail:
462 TALLOC_FREE(domains);
463 TALLOC_FREE(names);
464 TALLOC_FREE(types);
465
466 return status;
467 }
468
469 NTSTATUS dcerpc_lsa_lookup_sids(struct dcerpc_binding_handle *h,
470 TALLOC_CTX *mem_ctx,
471 struct policy_handle *pol,
472 int num_sids,
473 const struct dom_sid *sids,
474 char ***pdomains,
475 char ***pnames,
476 enum lsa_SidType **ptypes,
477 NTSTATUS *result)
478 {
479 return dcerpc_lsa_lookup_sids_generic(h,
480 mem_ctx,
481 pol,
482 num_sids,
483 sids,
484 pdomains,
485 pnames,
486 ptypes,
487 false,
488 result);
489 }
490
491 NTSTATUS rpccli_lsa_lookup_sids(struct rpc_pipe_client *cli,
492 TALLOC_CTX *mem_ctx,
493 struct policy_handle *pol,
494 int num_sids,
495 const struct dom_sid *sids,
496 char ***pdomains,
497 char ***pnames,
498 enum lsa_SidType **ptypes)
499 {
500 NTSTATUS status;
501 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
502
503 status = dcerpc_lsa_lookup_sids_generic(cli->binding_handle,
504 mem_ctx,
505 pol,
506 num_sids,
507 sids,
508 pdomains,
509 pnames,
510 ptypes,
511 false,
512 &result);
513 if (!NT_STATUS_IS_OK(status)) {
514 return status;
515 }
516
517 return result;
518 }
519
520 NTSTATUS dcerpc_lsa_lookup_sids3(struct dcerpc_binding_handle *h,
521 TALLOC_CTX *mem_ctx,
522 struct policy_handle *pol,
523 int num_sids,
524 const struct dom_sid *sids,
525 char ***pdomains,
526 char ***pnames,
527 enum lsa_SidType **ptypes,
528 NTSTATUS *result)
529 {
530 return dcerpc_lsa_lookup_sids_generic(h,
531 mem_ctx,
532 pol,
533 num_sids,
534 sids,
535 pdomains,
536 pnames,
537 ptypes,
538 true,
539 result);
540 }
541
542 /** Lookup a list of names */
543
544 NTSTATUS dcerpc_lsa_lookup_names_generic(struct dcerpc_binding_handle *h,
545 TALLOC_CTX *mem_ctx,
546 struct policy_handle *pol,
547 uint32_t num_names,
548 const char **names,
549 const char ***dom_names,
550 enum lsa_LookupNamesLevel level,
551 struct dom_sid **sids,
552 enum lsa_SidType **types,
553 bool use_lookupnames4,
554 NTSTATUS *presult)
555 {
556 NTSTATUS status;
557 struct lsa_String *lsa_names = NULL;
558 struct lsa_RefDomainList *domains = NULL;
559 struct lsa_TransSidArray sid_array;
560 struct lsa_TransSidArray3 sid_array3;
561 uint32_t count = 0;
562 uint32_t i;
563
564 ZERO_STRUCT(sid_array);
565 ZERO_STRUCT(sid_array3);
566
567 lsa_names = talloc_array(mem_ctx, struct lsa_String, num_names);
568 if (lsa_names == NULL) {
569 return NT_STATUS_NO_MEMORY;
570 }
571
572 for (i = 0; i < num_names; i++) {
573 init_lsa_String(&lsa_names[i], names[i]);
574 }
575
576 if (use_lookupnames4) {
577 status = dcerpc_lsa_LookupNames4(h,
578 mem_ctx,
579 num_names,
580 lsa_names,
581 &domains,
582 &sid_array3,
583 level,
584 &count,
585 LSA_LOOKUP_OPTION_SEARCH_ISOLATED_NAMES,
586 LSA_CLIENT_REVISION_2,
587 presult);
588 } else {
589 status = dcerpc_lsa_LookupNames(h,
590 mem_ctx,
591 pol,
592 num_names,
593 lsa_names,
594 &domains,
595 &sid_array,
596 level,
597 &count,
598 presult);
599 }
600 if (!NT_STATUS_IS_OK(status)) {
601 goto done;
602 }
603
604 if (!NT_STATUS_IS_OK(*presult) &&
605 !NT_STATUS_EQUAL(*presult, STATUS_SOME_UNMAPPED)) {
606 /* An actual error occured */
607 goto done;
608 }
609
610 /* Return output parameters */
611 if (count == 0) {
612 *presult = NT_STATUS_NONE_MAPPED;
613 goto done;
614 }
615
616 if (num_names) {
617 if (!((*sids = talloc_array(mem_ctx, struct dom_sid, num_names)))) {
618 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
619 *presult = NT_STATUS_NO_MEMORY;
620 goto done;
621 }
622
623 if (!((*types = talloc_array(mem_ctx, enum lsa_SidType, num_names)))) {
624 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
625 *presult = NT_STATUS_NO_MEMORY;
626 goto done;
627 }
628
629 if (dom_names != NULL) {
630 *dom_names = talloc_array(mem_ctx, const char *, num_names);
631 if (*dom_names == NULL) {
632 DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
633 *presult = NT_STATUS_NO_MEMORY;
634 goto done;
635 }
636 }
637 } else {
638 *sids = NULL;
639 *types = NULL;
640 if (dom_names != NULL) {
641 *dom_names = NULL;
642 }
643 }
644
645 for (i = 0; i < num_names; i++) {
646 uint32_t dom_idx;
647 struct dom_sid *sid = &(*sids)[i];
648
649 if (use_lookupnames4) {
650 dom_idx = sid_array3.sids[i].sid_index;
651 (*types)[i] = sid_array3.sids[i].sid_type;
652 } else {
653 dom_idx = sid_array.sids[i].sid_index;
654 (*types)[i] = sid_array.sids[i].sid_type;
655 }
656
657 /* Translate optimised sid through domain index array */
658
659 if (dom_idx == 0xffffffff) {
660 /* Nothing to do, this is unknown */
661 ZERO_STRUCTP(sid);
662 (*types)[i] = SID_NAME_UNKNOWN;
663 continue;
664 }
665
666 if (use_lookupnames4) {
667 sid_copy(sid, sid_array3.sids[i].sid);
668 } else {
669 sid_copy(sid, domains->domains[dom_idx].sid);
670
671 if (sid_array.sids[i].rid != 0xffffffff) {
672 sid_append_rid(sid, sid_array.sids[i].rid);
673 }
674 }
675
676 if (dom_names == NULL) {
677 continue;
678 }
679
680 (*dom_names)[i] = domains->domains[dom_idx].name.string;
681 }
682
683 done:
684 return status;
685 }
686
687 NTSTATUS dcerpc_lsa_lookup_names(struct dcerpc_binding_handle *h,
688 TALLOC_CTX *mem_ctx,
689 struct policy_handle *pol,
690 uint32_t num_names,
691 const char **names,
692 const char ***dom_names,
693 enum lsa_LookupNamesLevel level,
694 struct dom_sid **sids,
695 enum lsa_SidType **types,
696 NTSTATUS *result)
697 {
698 return dcerpc_lsa_lookup_names_generic(h,
699 mem_ctx,
700 pol,
701 num_names,
702 names,
703 dom_names,
704 level,
705 sids,
706 types,
707 false,
708 result);
709 }
710
711 NTSTATUS rpccli_lsa_lookup_names(struct rpc_pipe_client *cli,
712 TALLOC_CTX *mem_ctx,
713 struct policy_handle *pol,
714 int num_names,
715 const char **names,
716 const char ***dom_names,
717 int level,
718 struct dom_sid **sids,
719 enum lsa_SidType **types)
720 {
721 NTSTATUS status;
722 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
723
724 status = dcerpc_lsa_lookup_names(cli->binding_handle,
725 mem_ctx,
726 pol,
727 num_names,
728 names,
729 dom_names,
730 level,
731 sids,
732 types,
733 &result);
734 if (!NT_STATUS_IS_OK(status)) {
735 return status;
736 }
737
738 return result;
739 }
740
741 NTSTATUS dcerpc_lsa_lookup_names4(struct dcerpc_binding_handle *h,
742 TALLOC_CTX *mem_ctx,
743 struct policy_handle *pol,
744 uint32_t num_names,
745 const char **names,
746 const char ***dom_names,
747 enum lsa_LookupNamesLevel level,
748 struct dom_sid **sids,
749 enum lsa_SidType **types,
750 NTSTATUS *result)
751 {
752 return dcerpc_lsa_lookup_names_generic(h,
753 mem_ctx,
754 pol,
755 num_names,
756 names,
757 dom_names,
758 level,
759 sids,
760 types,
761 true,
762 result);
763 }
stuff from bjacke