r25076: Checking in patches for 3.0.26
[Samba.git] / source / nsswitch / winbindd_rpc.c
blobf408e1e15eef6e761300e519e85cd03db9743462
1 /*
2 Unix SMB/CIFS implementation.
4 Winbind rpc backend functions
6 Copyright (C) Tim Potter 2000-2001,2003
7 Copyright (C) Andrew Tridgell 2001
8 Copyright (C) Volker Lendecke 2005
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include "includes.h"
26 #include "winbindd.h"
28 #undef DBGC_CLASS
29 #define DBGC_CLASS DBGC_WINBIND
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)
40 NTSTATUS result;
41 POLICY_HND dom_pol;
42 unsigned int i, start_idx;
43 uint32 loop_count;
44 struct rpc_pipe_client *cli;
46 DEBUG(3,("rpc: query_user_list\n"));
48 *num_entries = 0;
49 *info = NULL;
51 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
52 if (!NT_STATUS_IS_OK(result))
53 return result;
55 i = start_idx = 0;
56 loop_count = 0;
58 do {
59 TALLOC_CTX *ctx2;
60 uint32 num_dom_users, j;
61 uint32 max_entries, max_size;
62 SAM_DISPINFO_CTR ctr;
63 SAM_DISPINFO_1 info1;
65 ZERO_STRUCT( ctr );
66 ZERO_STRUCT( info1 );
67 ctr.sam.info1 = &info1;
69 if (!(ctx2 = talloc_init("winbindd enum_users")))
70 return NT_STATUS_NO_MEMORY;
72 /* this next bit is copied from net_user_list_internal() */
74 get_query_dispinfo_params(loop_count, &max_entries,
75 &max_size);
77 result = rpccli_samr_query_dispinfo(cli, mem_ctx, &dom_pol,
78 &start_idx, 1,
79 &num_dom_users,
80 max_entries, max_size,
81 &ctr);
83 loop_count++;
85 *num_entries += num_dom_users;
87 *info = TALLOC_REALLOC_ARRAY(mem_ctx, *info, WINBIND_USERINFO,
88 *num_entries);
90 if (!(*info)) {
91 talloc_destroy(ctx2);
92 return NT_STATUS_NO_MEMORY;
95 for (j = 0; j < num_dom_users; i++, j++) {
96 fstring username, fullname;
97 uint32 rid = ctr.sam.info1->sam[j].rid_user;
99 unistr2_to_ascii( username, &(&ctr.sam.info1->str[j])->uni_acct_name, sizeof(username)-1);
100 unistr2_to_ascii( fullname, &(&ctr.sam.info1->str[j])->uni_full_name, sizeof(fullname)-1);
102 (*info)[i].acct_name = talloc_strdup(mem_ctx, username );
103 (*info)[i].full_name = talloc_strdup(mem_ctx, fullname );
104 (*info)[i].homedir = NULL;
105 (*info)[i].shell = NULL;
106 sid_compose(&(*info)[i].user_sid, &domain->sid, rid);
108 /* For the moment we set the primary group for
109 every user to be the Domain Users group.
110 There are serious problems with determining
111 the actual primary group for large domains.
112 This should really be made into a 'winbind
113 force group' smb.conf parameter or
114 something like that. */
116 sid_compose(&(*info)[i].group_sid, &domain->sid,
117 DOMAIN_GROUP_RID_USERS);
120 talloc_destroy(ctx2);
122 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
124 return result;
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)
133 POLICY_HND dom_pol;
134 NTSTATUS status;
135 uint32 start = 0;
136 struct rpc_pipe_client *cli;
138 *num_entries = 0;
139 *info = NULL;
141 DEBUG(3,("rpc: enum_dom_groups\n"));
143 status = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
144 if (!NT_STATUS_IS_OK(status))
145 return status;
147 do {
148 struct acct_info *info2 = NULL;
149 uint32 count = 0;
150 TALLOC_CTX *mem_ctx2;
152 mem_ctx2 = talloc_init("enum_dom_groups[rpc]");
154 /* start is updated by this call. */
155 status = rpccli_samr_enum_dom_groups(cli, mem_ctx2, &dom_pol,
156 &start,
157 0xFFFF, /* buffer size? */
158 &info2, &count);
160 if (!NT_STATUS_IS_OK(status) &&
161 !NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) {
162 talloc_destroy(mem_ctx2);
163 break;
166 (*info) = TALLOC_REALLOC_ARRAY(mem_ctx, *info,
167 struct acct_info,
168 (*num_entries) + count);
169 if (! *info) {
170 talloc_destroy(mem_ctx2);
171 status = NT_STATUS_NO_MEMORY;
172 break;
175 memcpy(&(*info)[*num_entries], info2, count*sizeof(*info2));
176 (*num_entries) += count;
177 talloc_destroy(mem_ctx2);
178 } while (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES));
180 return NT_STATUS_OK;
183 /* List all domain groups */
185 static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
186 TALLOC_CTX *mem_ctx,
187 uint32 *num_entries,
188 struct acct_info **info)
190 POLICY_HND dom_pol;
191 NTSTATUS result;
192 struct rpc_pipe_client *cli;
194 *num_entries = 0;
195 *info = NULL;
197 DEBUG(3,("rpc: enum_local_groups\n"));
199 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
200 if (!NT_STATUS_IS_OK(result))
201 return result;
203 do {
204 struct acct_info *info2 = NULL;
205 uint32 count = 0, start = *num_entries;
206 TALLOC_CTX *mem_ctx2;
208 mem_ctx2 = talloc_init("enum_dom_local_groups[rpc]");
210 result = rpccli_samr_enum_als_groups( cli, mem_ctx2, &dom_pol,
211 &start, 0xFFFF, &info2,
212 &count);
214 if (!NT_STATUS_IS_OK(result) &&
215 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES) )
217 talloc_destroy(mem_ctx2);
218 return result;
221 (*info) = TALLOC_REALLOC_ARRAY(mem_ctx, *info,
222 struct acct_info,
223 (*num_entries) + count);
224 if (! *info) {
225 talloc_destroy(mem_ctx2);
226 return NT_STATUS_NO_MEMORY;
229 memcpy(&(*info)[*num_entries], info2, count*sizeof(*info2));
230 (*num_entries) += count;
231 talloc_destroy(mem_ctx2);
233 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
235 return NT_STATUS_OK;
238 /* convert a single name to a sid in a domain */
239 NTSTATUS msrpc_name_to_sid(struct winbindd_domain *domain,
240 TALLOC_CTX *mem_ctx,
241 const char *domain_name,
242 const char *name,
243 DOM_SID *sid,
244 enum lsa_SidType *type)
246 NTSTATUS result;
247 DOM_SID *sids = NULL;
248 enum lsa_SidType *types = NULL;
249 char *full_name = NULL;
250 struct rpc_pipe_client *cli;
251 POLICY_HND lsa_policy;
253 if(name == NULL || *name=='\0') {
254 DEBUG(3,("rpc: name_to_sid name=%s\n", domain_name));
255 full_name = talloc_asprintf(mem_ctx, "%s", domain_name);
256 } else {
257 DEBUG(3,("rpc: name_to_sid name=%s\\%s\n", domain_name, name));
258 full_name = talloc_asprintf(mem_ctx, "%s\\%s", domain_name, name);
260 if (!full_name) {
261 DEBUG(0, ("talloc_asprintf failed!\n"));
262 return NT_STATUS_NO_MEMORY;
265 ws_name_return( full_name, WB_REPLACE_CHAR );
267 DEBUG(3,("name_to_sid [rpc] %s for domain %s\n", full_name?full_name:"", domain_name ));
269 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
270 if (!NT_STATUS_IS_OK(result))
271 return result;
273 result = rpccli_lsa_lookup_names(cli, mem_ctx, &lsa_policy, 1,
274 (const char**) &full_name, NULL, &sids, &types);
276 if (!NT_STATUS_IS_OK(result))
277 return result;
279 /* Return rid and type if lookup successful */
281 sid_copy(sid, &sids[0]);
282 *type = types[0];
284 return NT_STATUS_OK;
288 convert a domain SID to a user or group name
290 NTSTATUS msrpc_sid_to_name(struct winbindd_domain *domain,
291 TALLOC_CTX *mem_ctx,
292 const DOM_SID *sid,
293 char **domain_name,
294 char **name,
295 enum lsa_SidType *type)
297 char **domains;
298 char **names;
299 enum lsa_SidType *types;
300 NTSTATUS result;
301 struct rpc_pipe_client *cli;
302 POLICY_HND lsa_policy;
304 DEBUG(3,("sid_to_name [rpc] %s for domain %s\n", sid_string_static(sid),
305 domain->name ));
307 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
308 if (!NT_STATUS_IS_OK(result))
309 return result;
311 result = rpccli_lsa_lookup_sids(cli, mem_ctx, &lsa_policy,
312 1, sid, &domains, &names, &types);
313 if (!NT_STATUS_IS_OK(result))
314 return result;
316 *type = (enum lsa_SidType)types[0];
317 *domain_name = domains[0];
318 *name = names[0];
320 ws_name_replace( *name, WB_REPLACE_CHAR );
322 DEBUG(5,("Mapped sid to [%s]\\[%s]\n", domains[0], *name));
323 return NT_STATUS_OK;
326 NTSTATUS msrpc_rids_to_names(struct winbindd_domain *domain,
327 TALLOC_CTX *mem_ctx,
328 const DOM_SID *sid,
329 uint32 *rids,
330 size_t num_rids,
331 char **domain_name,
332 char ***names,
333 enum lsa_SidType **types)
335 char **domains;
336 NTSTATUS result;
337 struct rpc_pipe_client *cli;
338 POLICY_HND lsa_policy;
339 DOM_SID *sids;
340 size_t i;
341 char **ret_names;
343 DEBUG(3, ("rids_to_names [rpc] for domain %s\n", domain->name ));
345 if (num_rids) {
346 sids = TALLOC_ARRAY(mem_ctx, DOM_SID, num_rids);
347 if (sids == NULL) {
348 return NT_STATUS_NO_MEMORY;
350 } else {
351 sids = NULL;
354 for (i=0; i<num_rids; i++) {
355 if (!sid_compose(&sids[i], sid, rids[i])) {
356 return NT_STATUS_INTERNAL_ERROR;
360 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
361 if (!NT_STATUS_IS_OK(result)) {
362 return result;
365 result = rpccli_lsa_lookup_sids(cli, mem_ctx, &lsa_policy,
366 num_rids, sids, &domains,
367 names, types);
368 if (!NT_STATUS_IS_OK(result) &&
369 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED)) {
370 return result;
373 ret_names = *names;
374 for (i=0; i<num_rids; i++) {
375 if ((*types)[i] != SID_NAME_UNKNOWN) {
376 ws_name_replace( ret_names[i], WB_REPLACE_CHAR );
377 *domain_name = domains[i];
381 return result;
384 /* Lookup user information from a rid or username. */
385 static NTSTATUS query_user(struct winbindd_domain *domain,
386 TALLOC_CTX *mem_ctx,
387 const DOM_SID *user_sid,
388 WINBIND_USERINFO *user_info)
390 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
391 POLICY_HND dom_pol, user_pol;
392 SAM_USERINFO_CTR *ctr;
393 fstring sid_string;
394 uint32 user_rid;
395 NET_USER_INFO_3 *user;
396 struct rpc_pipe_client *cli;
398 DEBUG(3,("rpc: query_user sid=%s\n",
399 sid_to_string(sid_string, user_sid)));
401 if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
402 return NT_STATUS_UNSUCCESSFUL;
404 /* try netsamlogon cache first */
406 if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
409 DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
410 sid_string_static(user_sid)));
412 sid_compose(&user_info->user_sid, &domain->sid, user_rid);
413 sid_compose(&user_info->group_sid, &domain->sid,
414 user->group_rid);
416 user_info->acct_name = unistr2_tdup(mem_ctx,
417 &user->uni_user_name);
418 user_info->full_name = unistr2_tdup(mem_ctx,
419 &user->uni_full_name);
421 user_info->homedir = NULL;
422 user_info->shell = NULL;
423 user_info->primary_gid = (gid_t)-1;
425 TALLOC_FREE(user);
427 return NT_STATUS_OK;
430 /* no cache; hit the wire */
432 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
433 if (!NT_STATUS_IS_OK(result))
434 return result;
436 /* Get user handle */
437 result = rpccli_samr_open_user(cli, mem_ctx, &dom_pol,
438 SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid,
439 &user_pol);
441 if (!NT_STATUS_IS_OK(result))
442 return result;
444 /* Get user info */
445 result = rpccli_samr_query_userinfo(cli, mem_ctx, &user_pol,
446 0x15, &ctr);
448 rpccli_samr_close(cli, mem_ctx, &user_pol);
450 if (!NT_STATUS_IS_OK(result))
451 return result;
453 sid_compose(&user_info->user_sid, &domain->sid, user_rid);
454 sid_compose(&user_info->group_sid, &domain->sid,
455 ctr->info.id21->group_rid);
456 user_info->acct_name = unistr2_tdup(mem_ctx,
457 &ctr->info.id21->uni_user_name);
458 user_info->full_name = unistr2_tdup(mem_ctx,
459 &ctr->info.id21->uni_full_name);
460 user_info->homedir = NULL;
461 user_info->shell = NULL;
462 user_info->primary_gid = (gid_t)-1;
464 return NT_STATUS_OK;
467 /* Lookup groups a user is a member of. I wish Unix had a call like this! */
468 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
469 TALLOC_CTX *mem_ctx,
470 const DOM_SID *user_sid,
471 uint32 *num_groups, DOM_SID **user_grpsids)
473 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
474 POLICY_HND dom_pol, user_pol;
475 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
476 DOM_GID *user_groups;
477 unsigned int i;
478 fstring sid_string;
479 uint32 user_rid;
480 struct rpc_pipe_client *cli;
482 DEBUG(3,("rpc: lookup_usergroups sid=%s\n",
483 sid_to_string(sid_string, user_sid)));
485 if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
486 return NT_STATUS_UNSUCCESSFUL;
488 *num_groups = 0;
489 *user_grpsids = NULL;
491 /* so lets see if we have a cached user_info_3 */
492 result = lookup_usergroups_cached(domain, mem_ctx, user_sid,
493 num_groups, user_grpsids);
495 if (NT_STATUS_IS_OK(result)) {
496 return NT_STATUS_OK;
499 /* no cache; hit the wire */
501 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
502 if (!NT_STATUS_IS_OK(result))
503 return result;
505 /* Get user handle */
506 result = rpccli_samr_open_user(cli, mem_ctx, &dom_pol,
507 des_access, user_rid, &user_pol);
509 if (!NT_STATUS_IS_OK(result))
510 return result;
512 /* Query user rids */
513 result = rpccli_samr_query_usergroups(cli, mem_ctx, &user_pol,
514 num_groups, &user_groups);
516 rpccli_samr_close(cli, mem_ctx, &user_pol);
518 if (!NT_STATUS_IS_OK(result) || (*num_groups) == 0)
519 return result;
521 (*user_grpsids) = TALLOC_ARRAY(mem_ctx, DOM_SID, *num_groups);
522 if (!(*user_grpsids))
523 return NT_STATUS_NO_MEMORY;
525 for (i=0;i<(*num_groups);i++) {
526 sid_copy(&((*user_grpsids)[i]), &domain->sid);
527 sid_append_rid(&((*user_grpsids)[i]),
528 user_groups[i].g_rid);
531 return NT_STATUS_OK;
534 NTSTATUS msrpc_lookup_useraliases(struct winbindd_domain *domain,
535 TALLOC_CTX *mem_ctx,
536 uint32 num_sids, const DOM_SID *sids,
537 uint32 *num_aliases, uint32 **alias_rids)
539 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
540 POLICY_HND dom_pol;
541 DOM_SID2 *query_sids;
542 uint32 num_query_sids = 0;
543 int i;
544 struct rpc_pipe_client *cli;
545 uint32 *alias_rids_query, num_aliases_query;
546 int rangesize = MAX_SAM_ENTRIES_W2K;
547 uint32 total_sids = 0;
548 int num_queries = 1;
550 *num_aliases = 0;
551 *alias_rids = NULL;
553 DEBUG(3,("rpc: lookup_useraliases\n"));
555 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
556 if (!NT_STATUS_IS_OK(result))
557 return result;
559 do {
560 /* prepare query */
562 num_query_sids = MIN(num_sids - total_sids, rangesize);
564 DEBUG(10,("rpc: lookup_useraliases: entering query %d for %d sids\n",
565 num_queries, num_query_sids));
567 if (num_query_sids) {
568 query_sids = TALLOC_ARRAY(mem_ctx, DOM_SID2, num_query_sids);
569 if (query_sids == NULL) {
570 return NT_STATUS_NO_MEMORY;
572 } else {
573 query_sids = NULL;
576 for (i=0; i<num_query_sids; i++) {
577 sid_copy(&query_sids[i].sid, &sids[total_sids++]);
578 query_sids[i].num_auths = query_sids[i].sid.num_auths;
581 /* do request */
583 result = rpccli_samr_query_useraliases(cli, mem_ctx, &dom_pol,
584 num_query_sids, query_sids,
585 &num_aliases_query,
586 &alias_rids_query);
588 if (!NT_STATUS_IS_OK(result)) {
589 *num_aliases = 0;
590 *alias_rids = NULL;
591 TALLOC_FREE(query_sids);
592 goto done;
595 /* process output */
597 for (i=0; i<num_aliases_query; i++) {
598 size_t na = *num_aliases;
599 if (!add_rid_to_array_unique(mem_ctx, alias_rids_query[i],
600 alias_rids, &na)) {
601 return NT_STATUS_NO_MEMORY;
603 *num_aliases = na;
606 TALLOC_FREE(query_sids);
608 num_queries++;
610 } while (total_sids < num_sids);
612 done:
613 DEBUG(10,("rpc: lookup_useraliases: got %d aliases in %d queries "
614 "(rangesize: %d)\n", *num_aliases, num_queries, rangesize));
616 return result;
620 /* Lookup group membership given a rid. */
621 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
622 TALLOC_CTX *mem_ctx,
623 const DOM_SID *group_sid, uint32 *num_names,
624 DOM_SID **sid_mem, char ***names,
625 uint32 **name_types)
627 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
628 uint32 i, total_names = 0;
629 POLICY_HND dom_pol, group_pol;
630 uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
631 uint32 *rid_mem = NULL;
632 uint32 group_rid;
633 unsigned int j;
634 fstring sid_string;
635 struct rpc_pipe_client *cli;
636 unsigned int orig_timeout;
638 DEBUG(10,("rpc: lookup_groupmem %s sid=%s\n", domain->name,
639 sid_to_string(sid_string, group_sid)));
641 if (!sid_peek_check_rid(&domain->sid, group_sid, &group_rid))
642 return NT_STATUS_UNSUCCESSFUL;
644 *num_names = 0;
646 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
647 if (!NT_STATUS_IS_OK(result))
648 return result;
650 result = rpccli_samr_open_group(cli, mem_ctx, &dom_pol,
651 des_access, group_rid, &group_pol);
653 if (!NT_STATUS_IS_OK(result))
654 return result;
656 /* Step #1: Get a list of user rids that are the members of the
657 group. */
659 /* This call can take a long time - allow the server to time out.
660 35 seconds should do it. */
662 orig_timeout = cli_set_timeout(cli->cli, 35000);
664 result = rpccli_samr_query_groupmem(cli, mem_ctx,
665 &group_pol, num_names, &rid_mem,
666 name_types);
668 /* And restore our original timeout. */
669 cli_set_timeout(cli->cli, orig_timeout);
671 rpccli_samr_close(cli, mem_ctx, &group_pol);
673 if (!NT_STATUS_IS_OK(result))
674 return result;
676 if (!*num_names) {
677 names = NULL;
678 name_types = NULL;
679 sid_mem = NULL;
680 return NT_STATUS_OK;
683 /* Step #2: Convert list of rids into list of usernames. Do this
684 in bunches of ~1000 to avoid crashing NT4. It looks like there
685 is a buffer overflow or something like that lurking around
686 somewhere. */
688 #define MAX_LOOKUP_RIDS 900
690 *names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_names);
691 *name_types = TALLOC_ZERO_ARRAY(mem_ctx, uint32, *num_names);
692 *sid_mem = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_names);
694 for (j=0;j<(*num_names);j++)
695 sid_compose(&(*sid_mem)[j], &domain->sid, rid_mem[j]);
697 if (*num_names>0 && (!*names || !*name_types))
698 return NT_STATUS_NO_MEMORY;
700 for (i = 0; i < *num_names; i += MAX_LOOKUP_RIDS) {
701 int num_lookup_rids = MIN(*num_names - i, MAX_LOOKUP_RIDS);
702 uint32 tmp_num_names = 0;
703 char **tmp_names = NULL;
704 uint32 *tmp_types = NULL;
706 /* Lookup a chunk of rids */
708 result = rpccli_samr_lookup_rids(cli, mem_ctx,
709 &dom_pol,
710 num_lookup_rids,
711 &rid_mem[i],
712 &tmp_num_names,
713 &tmp_names, &tmp_types);
715 /* see if we have a real error (and yes the
716 STATUS_SOME_UNMAPPED is the one returned from 2k) */
718 if (!NT_STATUS_IS_OK(result) &&
719 !NT_STATUS_EQUAL(result, STATUS_SOME_UNMAPPED))
720 return result;
722 /* Copy result into array. The talloc system will take
723 care of freeing the temporary arrays later on. */
725 memcpy(&(*names)[i], tmp_names, sizeof(char *) *
726 tmp_num_names);
728 memcpy(&(*name_types)[i], tmp_types, sizeof(uint32) *
729 tmp_num_names);
731 total_names += tmp_num_names;
734 *num_names = total_names;
736 return NT_STATUS_OK;
739 #ifdef HAVE_LDAP
741 #include <ldap.h>
743 static int get_ldap_seq(const char *server, int port, uint32 *seq)
745 int ret = -1;
746 struct timeval to;
747 const char *attrs[] = {"highestCommittedUSN", NULL};
748 LDAPMessage *res = NULL;
749 char **values = NULL;
750 LDAP *ldp = NULL;
752 *seq = DOM_SEQUENCE_NONE;
755 * Parameterised (5) second timeout on open. This is needed as the
756 * search timeout doesn't seem to apply to doing an open as well. JRA.
759 ldp = ldap_open_with_timeout(server, port, lp_ldap_timeout());
760 if (ldp == NULL)
761 return -1;
763 /* Timeout if no response within 20 seconds. */
764 to.tv_sec = 10;
765 to.tv_usec = 0;
767 if (ldap_search_st(ldp, "", LDAP_SCOPE_BASE, "(objectclass=*)",
768 CONST_DISCARD(char **, attrs), 0, &to, &res))
769 goto done;
771 if (ldap_count_entries(ldp, res) != 1)
772 goto done;
774 values = ldap_get_values(ldp, res, "highestCommittedUSN");
775 if (!values || !values[0])
776 goto done;
778 *seq = atoi(values[0]);
779 ret = 0;
781 done:
783 if (values)
784 ldap_value_free(values);
785 if (res)
786 ldap_msgfree(res);
787 if (ldp)
788 ldap_unbind(ldp);
789 return ret;
792 /**********************************************************************
793 Get the sequence number for a Windows AD native mode domain using
794 LDAP queries.
795 **********************************************************************/
797 static int get_ldap_sequence_number(struct winbindd_domain *domain, uint32 *seq)
799 int ret = -1;
800 fstring ipstr;
802 fstrcpy( ipstr, inet_ntoa(domain->dcaddr.sin_addr));
803 if ((ret = get_ldap_seq( ipstr, LDAP_PORT, seq)) == 0) {
804 DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence "
805 "number for Domain (%s) from DC (%s)\n",
806 domain->name, ipstr));
808 return ret;
811 #endif /* HAVE_LDAP */
813 /* find the sequence number for a domain */
814 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
816 TALLOC_CTX *mem_ctx;
817 SAM_UNK_CTR ctr;
818 NTSTATUS result;
819 POLICY_HND dom_pol;
820 BOOL got_seq_num = False;
821 struct rpc_pipe_client *cli;
823 DEBUG(10,("rpc: fetch sequence_number for %s\n", domain->name));
825 *seq = DOM_SEQUENCE_NONE;
827 if (!(mem_ctx = talloc_init("sequence_number[rpc]")))
828 return NT_STATUS_NO_MEMORY;
830 #ifdef HAVE_LDAP
831 if ( domain->native_mode )
833 int res;
835 DEBUG(8,("using get_ldap_seq() to retrieve the "
836 "sequence number\n"));
838 res = get_ldap_sequence_number( domain, seq );
839 if (res == 0)
841 result = NT_STATUS_OK;
842 DEBUG(10,("domain_sequence_number: LDAP for "
843 "domain %s is %u\n",
844 domain->name, *seq));
845 goto done;
848 DEBUG(10,("domain_sequence_number: failed to get LDAP "
849 "sequence number for domain %s\n",
850 domain->name ));
852 #endif /* HAVE_LDAP */
854 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
855 if (!NT_STATUS_IS_OK(result)) {
856 goto done;
859 /* Query domain info */
861 result = rpccli_samr_query_dom_info(cli, mem_ctx, &dom_pol, 8, &ctr);
863 if (NT_STATUS_IS_OK(result)) {
864 *seq = ctr.info.inf8.seq_num;
865 got_seq_num = True;
866 goto seq_num;
869 /* retry with info-level 2 in case the dc does not support info-level 8
870 * (like all older samba2 and samba3 dc's - Guenther */
872 result = rpccli_samr_query_dom_info(cli, mem_ctx, &dom_pol, 2, &ctr);
874 if (NT_STATUS_IS_OK(result)) {
875 *seq = ctr.info.inf2.seq_num;
876 got_seq_num = True;
879 seq_num:
880 if (got_seq_num) {
881 DEBUG(10,("domain_sequence_number: for domain %s is %u\n",
882 domain->name, (unsigned)*seq));
883 } else {
884 DEBUG(10,("domain_sequence_number: failed to get sequence "
885 "number (%u) for domain %s\n",
886 (unsigned)*seq, domain->name ));
889 done:
891 talloc_destroy(mem_ctx);
893 return result;
896 /* get a list of trusted domains */
897 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
898 TALLOC_CTX *mem_ctx,
899 uint32 *num_domains,
900 char ***names,
901 char ***alt_names,
902 DOM_SID **dom_sids)
904 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
905 uint32 enum_ctx = 0;
906 struct rpc_pipe_client *cli;
907 POLICY_HND lsa_policy;
909 DEBUG(3,("rpc: trusted_domains\n"));
911 *num_domains = 0;
912 *names = NULL;
913 *alt_names = NULL;
914 *dom_sids = NULL;
916 result = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
917 if (!NT_STATUS_IS_OK(result))
918 return result;
920 result = STATUS_MORE_ENTRIES;
922 while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
923 uint32 start_idx, num;
924 char **tmp_names;
925 DOM_SID *tmp_sids;
926 int i;
928 result = rpccli_lsa_enum_trust_dom(cli, mem_ctx,
929 &lsa_policy, &enum_ctx,
930 &num, &tmp_names,
931 &tmp_sids);
933 if (!NT_STATUS_IS_OK(result) &&
934 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES))
935 break;
937 start_idx = *num_domains;
938 *num_domains += num;
939 *names = TALLOC_REALLOC_ARRAY(mem_ctx, *names,
940 char *, *num_domains);
941 *dom_sids = TALLOC_REALLOC_ARRAY(mem_ctx, *dom_sids,
942 DOM_SID, *num_domains);
943 *alt_names = TALLOC_REALLOC_ARRAY(mem_ctx, *alt_names,
944 char *, *num_domains);
945 if ((*names == NULL) || (*dom_sids == NULL) ||
946 (*alt_names == NULL))
947 return NT_STATUS_NO_MEMORY;
949 for (i=0; i<num; i++) {
950 (*names)[start_idx+i] = tmp_names[i];
951 (*dom_sids)[start_idx+i] = tmp_sids[i];
952 (*alt_names)[start_idx+i] = talloc_strdup(mem_ctx, "");
955 return result;
958 /* find the lockout policy for a domain */
959 NTSTATUS msrpc_lockout_policy(struct winbindd_domain *domain,
960 TALLOC_CTX *mem_ctx,
961 SAM_UNK_INFO_12 *lockout_policy)
963 NTSTATUS result;
964 struct rpc_pipe_client *cli;
965 POLICY_HND dom_pol;
966 SAM_UNK_CTR ctr;
968 DEBUG(10,("rpc: fetch lockout policy for %s\n", domain->name));
970 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
971 if (!NT_STATUS_IS_OK(result)) {
972 goto done;
975 result = rpccli_samr_query_dom_info(cli, mem_ctx, &dom_pol, 12, &ctr);
976 if (!NT_STATUS_IS_OK(result)) {
977 goto done;
980 *lockout_policy = ctr.info.inf12;
982 DEBUG(10,("msrpc_lockout_policy: bad_attempt_lockout %d\n",
983 ctr.info.inf12.bad_attempt_lockout));
985 done:
987 return result;
990 /* find the password policy for a domain */
991 NTSTATUS msrpc_password_policy(struct winbindd_domain *domain,
992 TALLOC_CTX *mem_ctx,
993 SAM_UNK_INFO_1 *password_policy)
995 NTSTATUS result;
996 struct rpc_pipe_client *cli;
997 POLICY_HND dom_pol;
998 SAM_UNK_CTR ctr;
1000 DEBUG(10,("rpc: fetch password policy for %s\n", domain->name));
1002 result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
1003 if (!NT_STATUS_IS_OK(result)) {
1004 goto done;
1007 result = rpccli_samr_query_dom_info(cli, mem_ctx, &dom_pol, 1, &ctr);
1008 if (!NT_STATUS_IS_OK(result)) {
1009 goto done;
1012 *password_policy = ctr.info.inf1;
1014 DEBUG(10,("msrpc_password_policy: min_length_password %d\n",
1015 ctr.info.inf1.min_length_password));
1017 done:
1019 return result;
1023 /* the rpc backend methods are exposed via this structure */
1024 struct winbindd_methods msrpc_methods = {
1025 False,
1026 query_user_list,
1027 enum_dom_groups,
1028 enum_local_groups,
1029 msrpc_name_to_sid,
1030 msrpc_sid_to_name,
1031 msrpc_rids_to_names,
1032 query_user,
1033 lookup_usergroups,
1034 msrpc_lookup_useraliases,
1035 lookup_groupmem,
1036 sequence_number,
1037 msrpc_lockout_policy,
1038 msrpc_password_policy,
1039 trusted_domains,