source: vendor/3.6.0/source3/groupdb/mapping.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 19.9 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-2000,
5 * Copyright (C) Jean François Micouleau 1998-2001.
6 * Copyright (C) Volker Lendecke 2006.
7 * Copyright (C) Gerald Carter 2006.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 */
22
23#include "includes.h"
24#include "system/passwd.h"
25#include "passdb.h"
26#include "groupdb/mapping.h"
27#include "../libcli/security/security.h"
28#include "lib/winbind_util.h"
29#include <tdb.h>
30
31static const struct mapping_backend *backend;
32
33/*
34 initialise a group mapping backend
35 */
36static bool init_group_mapping(void)
37{
38 if (backend != NULL) {
39 /* already initialised */
40 return True;
41 }
42
43 backend = groupdb_tdb_init();
44
45 return backend != NULL;
46}
47
48/****************************************************************************
49initialise first time the mapping list
50****************************************************************************/
51NTSTATUS add_initial_entry(gid_t gid, const char *sid, enum lsa_SidType sid_name_use, const char *nt_name, const char *comment)
52{
53 GROUP_MAP map;
54
55 if(!init_group_mapping()) {
56 DEBUG(0,("failed to initialize group mapping\n"));
57 return NT_STATUS_UNSUCCESSFUL;
58 }
59
60 map.gid=gid;
61 if (!string_to_sid(&map.sid, sid)) {
62 DEBUG(0, ("string_to_sid failed: %s", sid));
63 return NT_STATUS_UNSUCCESSFUL;
64 }
65
66 map.sid_name_use=sid_name_use;
67 fstrcpy(map.nt_name, nt_name);
68 fstrcpy(map.comment, comment);
69
70 return pdb_add_group_mapping_entry(&map);
71}
72
73static NTSTATUS alias_memberships(const struct dom_sid *members, size_t num_members,
74 struct dom_sid **sids, size_t *num)
75{
76 size_t i;
77
78 *num = 0;
79 *sids = NULL;
80
81 for (i=0; i<num_members; i++) {
82 NTSTATUS status = backend->one_alias_membership(&members[i], sids, num);
83 if (!NT_STATUS_IS_OK(status))
84 return status;
85 }
86 return NT_STATUS_OK;
87}
88
89struct aliasmem_closure {
90 const struct dom_sid *alias;
91 struct dom_sid **sids;
92 size_t *num;
93};
94
95
96
97/*
98 *
99 * High level functions
100 * better to use them than the lower ones.
101 *
102 * we are checking if the group is in the mapping file
103 * and if the group is an existing unix group
104 *
105 */
106
107/* get a domain group from it's SID */
108
109bool get_domain_group_from_sid(struct dom_sid sid, GROUP_MAP *map)
110{
111 struct group *grp;
112 bool ret;
113
114 if(!init_group_mapping()) {
115 DEBUG(0,("failed to initialize group mapping\n"));
116 return(False);
117 }
118
119 DEBUG(10, ("get_domain_group_from_sid\n"));
120
121 /* if the group is NOT in the database, it CAN NOT be a domain group */
122
123 become_root();
124 ret = pdb_getgrsid(map, sid);
125 unbecome_root();
126
127 /* special case check for rid 513 */
128
129 if ( !ret ) {
130 uint32 rid;
131
132 sid_peek_rid( &sid, &rid );
133
134 if ( rid == DOMAIN_RID_USERS ) {
135 fstrcpy( map->nt_name, "None" );
136 fstrcpy( map->comment, "Ordinary Users" );
137 sid_copy( &map->sid, &sid );
138 map->sid_name_use = SID_NAME_DOM_GRP;
139 map->gid = (gid_t)-1;
140 return True;
141 }
142 return False;
143 }
144
145 DEBUG(10, ("get_domain_group_from_sid: SID found in passdb\n"));
146
147 /* if it's not a domain group, continue */
148 if (map->sid_name_use!=SID_NAME_DOM_GRP) {
149 return False;
150 }
151
152 DEBUG(10, ("get_domain_group_from_sid: SID is a domain group\n"));
153
154 if (map->gid==-1) {
155 return False;
156 }
157
158 DEBUG(10, ("get_domain_group_from_sid: SID is mapped to gid:%lu\n",(unsigned long)map->gid));
159
160 grp = getgrgid(map->gid);
161 if ( !grp ) {
162 DEBUG(10, ("get_domain_group_from_sid: gid DOESN'T exist in UNIX security\n"));
163 return False;
164 }
165
166 DEBUG(10, ("get_domain_group_from_sid: gid exists in UNIX security\n"));
167
168 return True;
169}
170
171/****************************************************************************
172 Create a UNIX group on demand.
173****************************************************************************/
174
175int smb_create_group(const char *unix_group, gid_t *new_gid)
176{
177 char *add_script = NULL;
178 int ret = -1;
179 int fd = 0;
180
181 *new_gid = 0;
182
183 /* defer to scripts */
184
185 if ( *lp_addgroup_script() ) {
186 TALLOC_CTX *ctx = talloc_tos();
187
188 add_script = talloc_strdup(ctx,
189 lp_addgroup_script());
190 if (!add_script) {
191 return -1;
192 }
193 add_script = talloc_string_sub(ctx,
194 add_script, "%g", unix_group);
195 if (!add_script) {
196 return -1;
197 }
198
199 ret = smbrun(add_script, &fd);
200 DEBUG(ret ? 0 : 3,("smb_create_group: Running the command `%s' gave %d\n",add_script,ret));
201 if (ret == 0) {
202 smb_nscd_flush_group_cache();
203 }
204 if (ret != 0)
205 return ret;
206
207 if (fd != 0) {
208 fstring output;
209
210 *new_gid = 0;
211 if (read(fd, output, sizeof(output)) > 0) {
212 *new_gid = (gid_t)strtoul(output, NULL, 10);
213 }
214
215 close(fd);
216 }
217
218 }
219
220 if (*new_gid == 0) {
221 struct group *grp = getgrnam(unix_group);
222
223 if (grp != NULL)
224 *new_gid = grp->gr_gid;
225 }
226
227 return ret;
228}
229
230/****************************************************************************
231 Delete a UNIX group on demand.
232****************************************************************************/
233
234int smb_delete_group(const char *unix_group)
235{
236 char *del_script = NULL;
237 int ret = -1;
238
239 /* defer to scripts */
240
241 if ( *lp_delgroup_script() ) {
242 TALLOC_CTX *ctx = talloc_tos();
243
244 del_script = talloc_strdup(ctx,
245 lp_delgroup_script());
246 if (!del_script) {
247 return -1;
248 }
249 del_script = talloc_string_sub(ctx,
250 del_script, "%g", unix_group);
251 if (!del_script) {
252 return -1;
253 }
254 ret = smbrun(del_script,NULL);
255 DEBUG(ret ? 0 : 3,("smb_delete_group: Running the command `%s' gave %d\n",del_script,ret));
256 if (ret == 0) {
257 smb_nscd_flush_group_cache();
258 }
259 return ret;
260 }
261
262 return -1;
263}
264
265/****************************************************************************
266 Set a user's primary UNIX group.
267****************************************************************************/
268
269int smb_set_primary_group(const char *unix_group, const char* unix_user)
270{
271 char *add_script = NULL;
272 int ret = -1;
273
274 /* defer to scripts */
275
276 if ( *lp_setprimarygroup_script() ) {
277 TALLOC_CTX *ctx = talloc_tos();
278
279 add_script = talloc_strdup(ctx,
280 lp_setprimarygroup_script());
281 if (!add_script) {
282 return -1;
283 }
284 add_script = talloc_all_string_sub(ctx,
285 add_script, "%g", unix_group);
286 if (!add_script) {
287 return -1;
288 }
289 add_script = talloc_string_sub(ctx,
290 add_script, "%u", unix_user);
291 if (!add_script) {
292 return -1;
293 }
294 ret = smbrun(add_script,NULL);
295 flush_pwnam_cache();
296 DEBUG(ret ? 0 : 3,("smb_set_primary_group: "
297 "Running the command `%s' gave %d\n",add_script,ret));
298 if (ret == 0) {
299 smb_nscd_flush_group_cache();
300 }
301 return ret;
302 }
303
304 return -1;
305}
306
307/****************************************************************************
308 Add a user to a UNIX group.
309****************************************************************************/
310
311int smb_add_user_group(const char *unix_group, const char *unix_user)
312{
313 char *add_script = NULL;
314 int ret = -1;
315
316 /* defer to scripts */
317
318 if ( *lp_addusertogroup_script() ) {
319 TALLOC_CTX *ctx = talloc_tos();
320
321 add_script = talloc_strdup(ctx,
322 lp_addusertogroup_script());
323 if (!add_script) {
324 return -1;
325 }
326 add_script = talloc_string_sub(ctx,
327 add_script, "%g", unix_group);
328 if (!add_script) {
329 return -1;
330 }
331 add_script = talloc_string_sub2(ctx,
332 add_script, "%u", unix_user, true, false, true);
333 if (!add_script) {
334 return -1;
335 }
336 ret = smbrun(add_script,NULL);
337 DEBUG(ret ? 0 : 3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script,ret));
338 if (ret == 0) {
339 smb_nscd_flush_group_cache();
340 }
341 return ret;
342 }
343
344 return -1;
345}
346
347/****************************************************************************
348 Delete a user from a UNIX group
349****************************************************************************/
350
351int smb_delete_user_group(const char *unix_group, const char *unix_user)
352{
353 char *del_script = NULL;
354 int ret = -1;
355
356 /* defer to scripts */
357
358 if ( *lp_deluserfromgroup_script() ) {
359 TALLOC_CTX *ctx = talloc_tos();
360
361 del_script = talloc_strdup(ctx,
362 lp_deluserfromgroup_script());
363 if (!del_script) {
364 return -1;
365 }
366 del_script = talloc_string_sub(ctx,
367 del_script, "%g", unix_group);
368 if (!del_script) {
369 return -1;
370 }
371 del_script = talloc_string_sub2(ctx,
372 del_script, "%u", unix_user, true, false, true);
373 if (!del_script) {
374 return -1;
375 }
376 ret = smbrun(del_script,NULL);
377 DEBUG(ret ? 0 : 3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret));
378 if (ret == 0) {
379 smb_nscd_flush_group_cache();
380 }
381 return ret;
382 }
383
384 return -1;
385}
386
387
388NTSTATUS pdb_default_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
389 struct dom_sid sid)
390{
391 if (!init_group_mapping()) {
392 DEBUG(0,("failed to initialize group mapping\n"));
393 return NT_STATUS_UNSUCCESSFUL;
394 }
395 return backend->get_group_map_from_sid(sid, map) ?
396 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
397}
398
399NTSTATUS pdb_default_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
400 gid_t gid)
401{
402 if (!init_group_mapping()) {
403 DEBUG(0,("failed to initialize group mapping\n"));
404 return NT_STATUS_UNSUCCESSFUL;
405 }
406 return backend->get_group_map_from_gid(gid, map) ?
407 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
408}
409
410NTSTATUS pdb_default_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
411 const char *name)
412{
413 if (!init_group_mapping()) {
414 DEBUG(0,("failed to initialize group mapping\n"));
415 return NT_STATUS_UNSUCCESSFUL;
416 }
417 return backend->get_group_map_from_ntname(name, map) ?
418 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
419}
420
421NTSTATUS pdb_default_add_group_mapping_entry(struct pdb_methods *methods,
422 GROUP_MAP *map)
423{
424 if (!init_group_mapping()) {
425 DEBUG(0,("failed to initialize group mapping\n"));
426 return NT_STATUS_UNSUCCESSFUL;
427 }
428 return backend->add_mapping_entry(map, TDB_INSERT) ?
429 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
430}
431
432NTSTATUS pdb_default_update_group_mapping_entry(struct pdb_methods *methods,
433 GROUP_MAP *map)
434{
435 if (!init_group_mapping()) {
436 DEBUG(0,("failed to initialize group mapping\n"));
437 return NT_STATUS_UNSUCCESSFUL;
438 }
439 return backend->add_mapping_entry(map, TDB_REPLACE) ?
440 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
441}
442
443NTSTATUS pdb_default_delete_group_mapping_entry(struct pdb_methods *methods,
444 struct dom_sid sid)
445{
446 if (!init_group_mapping()) {
447 DEBUG(0,("failed to initialize group mapping\n"));
448 return NT_STATUS_UNSUCCESSFUL;
449 }
450 return backend->group_map_remove(&sid) ?
451 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
452}
453
454NTSTATUS pdb_default_enum_group_mapping(struct pdb_methods *methods,
455 const struct dom_sid *sid, enum lsa_SidType sid_name_use,
456 GROUP_MAP **pp_rmap, size_t *p_num_entries,
457 bool unix_only)
458{
459 if (!init_group_mapping()) {
460 DEBUG(0,("failed to initialize group mapping\n"));
461 return NT_STATUS_UNSUCCESSFUL;
462 }
463 return backend->enum_group_mapping(sid, sid_name_use, pp_rmap, p_num_entries, unix_only) ?
464 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
465}
466
467NTSTATUS pdb_default_create_alias(struct pdb_methods *methods,
468 const char *name, uint32 *rid)
469{
470 struct dom_sid sid;
471 enum lsa_SidType type;
472 uint32 new_rid;
473 gid_t gid;
474 bool exists;
475 GROUP_MAP map;
476 TALLOC_CTX *mem_ctx;
477 NTSTATUS status;
478
479 DEBUG(10, ("Trying to create alias %s\n", name));
480
481 mem_ctx = talloc_new(NULL);
482 if (mem_ctx == NULL) {
483 return NT_STATUS_NO_MEMORY;
484 }
485
486 exists = lookup_name(mem_ctx, name, LOOKUP_NAME_LOCAL,
487 NULL, NULL, &sid, &type);
488 TALLOC_FREE(mem_ctx);
489
490 if (exists) {
491 return NT_STATUS_ALIAS_EXISTS;
492 }
493
494 if (!pdb_new_rid(&new_rid)) {
495 DEBUG(0, ("Could not allocate a RID.\n"));
496 return NT_STATUS_ACCESS_DENIED;
497 }
498
499 sid_compose(&sid, get_global_sam_sid(), new_rid);
500
501 if (!winbind_allocate_gid(&gid)) {
502 DEBUG(3, ("Could not get a gid out of winbind - "
503 "wasted a rid :-(\n"));
504 return NT_STATUS_ACCESS_DENIED;
505 }
506
507 DEBUG(10, ("Creating alias %s with gid %u and rid %u\n",
508 name, (unsigned int)gid, (unsigned int)new_rid));
509
510 map.gid = gid;
511 sid_copy(&map.sid, &sid);
512 map.sid_name_use = SID_NAME_ALIAS;
513 fstrcpy(map.nt_name, name);
514 fstrcpy(map.comment, "");
515
516 status = pdb_add_group_mapping_entry(&map);
517
518 if (!NT_STATUS_IS_OK(status)) {
519 DEBUG(0, ("Could not add group mapping entry for alias %s "
520 "(%s)\n", name, nt_errstr(status)));
521 return status;
522 }
523
524 *rid = new_rid;
525
526 return NT_STATUS_OK;
527}
528
529NTSTATUS pdb_default_delete_alias(struct pdb_methods *methods,
530 const struct dom_sid *sid)
531{
532 return pdb_delete_group_mapping_entry(*sid);
533}
534
535NTSTATUS pdb_default_get_aliasinfo(struct pdb_methods *methods,
536 const struct dom_sid *sid,
537 struct acct_info *info)
538{
539 GROUP_MAP map;
540
541 if (!pdb_getgrsid(&map, *sid))
542 return NT_STATUS_NO_SUCH_ALIAS;
543
544 if ((map.sid_name_use != SID_NAME_ALIAS) &&
545 (map.sid_name_use != SID_NAME_WKN_GRP)) {
546 DEBUG(2, ("%s is a %s, expected an alias\n",
547 sid_string_dbg(sid),
548 sid_type_lookup(map.sid_name_use)));
549 return NT_STATUS_NO_SUCH_ALIAS;
550 }
551
552 fstrcpy(info->acct_name, map.nt_name);
553 fstrcpy(info->acct_desc, map.comment);
554 sid_peek_rid(&map.sid, &info->rid);
555 return NT_STATUS_OK;
556}
557
558NTSTATUS pdb_default_set_aliasinfo(struct pdb_methods *methods,
559 const struct dom_sid *sid,
560 struct acct_info *info)
561{
562 GROUP_MAP map;
563
564 if (!pdb_getgrsid(&map, *sid))
565 return NT_STATUS_NO_SUCH_ALIAS;
566
567 fstrcpy(map.nt_name, info->acct_name);
568 fstrcpy(map.comment, info->acct_desc);
569
570 return pdb_update_group_mapping_entry(&map);
571}
572
573NTSTATUS pdb_default_add_aliasmem(struct pdb_methods *methods,
574 const struct dom_sid *alias, const struct dom_sid *member)
575{
576 if (!init_group_mapping()) {
577 DEBUG(0,("failed to initialize group mapping\n"));
578 return NT_STATUS_UNSUCCESSFUL;
579 }
580 return backend->add_aliasmem(alias, member);
581}
582
583NTSTATUS pdb_default_del_aliasmem(struct pdb_methods *methods,
584 const struct dom_sid *alias, const struct dom_sid *member)
585{
586 if (!init_group_mapping()) {
587 DEBUG(0,("failed to initialize group mapping\n"));
588 return NT_STATUS_UNSUCCESSFUL;
589 }
590 return backend->del_aliasmem(alias, member);
591}
592
593NTSTATUS pdb_default_enum_aliasmem(struct pdb_methods *methods,
594 const struct dom_sid *alias, TALLOC_CTX *mem_ctx,
595 struct dom_sid **pp_members, size_t *p_num_members)
596{
597 if (!init_group_mapping()) {
598 DEBUG(0,("failed to initialize group mapping\n"));
599 return NT_STATUS_UNSUCCESSFUL;
600 }
601 return backend->enum_aliasmem(alias, mem_ctx, pp_members,
602 p_num_members);
603}
604
605NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods,
606 TALLOC_CTX *mem_ctx,
607 const struct dom_sid *domain_sid,
608 const struct dom_sid *members,
609 size_t num_members,
610 uint32 **pp_alias_rids,
611 size_t *p_num_alias_rids)
612{
613 struct dom_sid *alias_sids;
614 size_t i, num_alias_sids;
615 NTSTATUS result;
616
617 if (!init_group_mapping()) {
618 DEBUG(0,("failed to initialize group mapping\n"));
619 return NT_STATUS_UNSUCCESSFUL;
620 }
621
622 alias_sids = NULL;
623 num_alias_sids = 0;
624
625 result = alias_memberships(members, num_members,
626 &alias_sids, &num_alias_sids);
627
628 if (!NT_STATUS_IS_OK(result))
629 return result;
630
631 *p_num_alias_rids = 0;
632
633 if (num_alias_sids == 0) {
634 TALLOC_FREE(alias_sids);
635 return NT_STATUS_OK;
636 }
637
638 *pp_alias_rids = TALLOC_ARRAY(mem_ctx, uint32, num_alias_sids);
639 if (*pp_alias_rids == NULL)
640 return NT_STATUS_NO_MEMORY;
641
642 for (i=0; i<num_alias_sids; i++) {
643 if (!sid_peek_check_rid(domain_sid, &alias_sids[i],
644 &(*pp_alias_rids)[*p_num_alias_rids]))
645 continue;
646 *p_num_alias_rids += 1;
647 }
648
649 TALLOC_FREE(alias_sids);
650
651 return NT_STATUS_OK;
652}
653
654/**********************************************************************
655 no ops for passdb backends that don't implement group mapping
656 *********************************************************************/
657
658NTSTATUS pdb_nop_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
659 struct dom_sid sid)
660{
661 return NT_STATUS_UNSUCCESSFUL;
662}
663
664NTSTATUS pdb_nop_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
665 gid_t gid)
666{
667 return NT_STATUS_UNSUCCESSFUL;
668}
669
670NTSTATUS pdb_nop_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
671 const char *name)
672{
673 return NT_STATUS_UNSUCCESSFUL;
674}
675
676NTSTATUS pdb_nop_add_group_mapping_entry(struct pdb_methods *methods,
677 GROUP_MAP *map)
678{
679 return NT_STATUS_UNSUCCESSFUL;
680}
681
682NTSTATUS pdb_nop_update_group_mapping_entry(struct pdb_methods *methods,
683 GROUP_MAP *map)
684{
685 return NT_STATUS_UNSUCCESSFUL;
686}
687
688NTSTATUS pdb_nop_delete_group_mapping_entry(struct pdb_methods *methods,
689 struct dom_sid sid)
690{
691 return NT_STATUS_UNSUCCESSFUL;
692}
693
694NTSTATUS pdb_nop_enum_group_mapping(struct pdb_methods *methods,
695 enum lsa_SidType sid_name_use,
696 GROUP_MAP **rmap, size_t *num_entries,
697 bool unix_only)
698{
699 return NT_STATUS_UNSUCCESSFUL;
700}
701
702/****************************************************************************
703 These need to be redirected through pdb_interface.c
704****************************************************************************/
705bool pdb_get_dom_grp_info(const struct dom_sid *sid, struct acct_info *info)
706{
707 GROUP_MAP map;
708 bool res;
709
710 become_root();
711 res = get_domain_group_from_sid(*sid, &map);
712 unbecome_root();
713
714 if (!res)
715 return False;
716
717 fstrcpy(info->acct_name, map.nt_name);
718 fstrcpy(info->acct_desc, map.comment);
719 sid_peek_rid(sid, &info->rid);
720 return True;
721}
722
723bool pdb_set_dom_grp_info(const struct dom_sid *sid, const struct acct_info *info)
724{
725 GROUP_MAP map;
726
727 if (!get_domain_group_from_sid(*sid, &map))
728 return False;
729
730 fstrcpy(map.nt_name, info->acct_name);
731 fstrcpy(map.comment, info->acct_desc);
732
733 return NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map));
734}
735
736/********************************************************************
737 Really just intended to be called by smbd
738********************************************************************/
739
740NTSTATUS pdb_create_builtin_alias(uint32 rid)
741{
742 struct dom_sid sid;
743 enum lsa_SidType type;
744 gid_t gid;
745 GROUP_MAP map;
746 TALLOC_CTX *mem_ctx;
747 NTSTATUS status;
748 const char *name = NULL;
749 fstring groupname;
750
751 DEBUG(10, ("Trying to create builtin alias %d\n", rid));
752
753 if ( !sid_compose( &sid, &global_sid_Builtin, rid ) ) {
754 return NT_STATUS_NO_SUCH_ALIAS;
755 }
756
757 if ( (mem_ctx = talloc_new(NULL)) == NULL ) {
758 return NT_STATUS_NO_MEMORY;
759 }
760
761 if ( !lookup_sid(mem_ctx, &sid, NULL, &name, &type) ) {
762 TALLOC_FREE( mem_ctx );
763 return NT_STATUS_NO_SUCH_ALIAS;
764 }
765
766 /* validate RID so copy the name and move on */
767
768 fstrcpy( groupname, name );
769 TALLOC_FREE( mem_ctx );
770
771 if (!winbind_allocate_gid(&gid)) {
772 DEBUG(3, ("pdb_create_builtin_alias: Could not get a gid out of winbind\n"));
773 return NT_STATUS_ACCESS_DENIED;
774 }
775
776 DEBUG(10,("Creating alias %s with gid %u\n", groupname, (unsigned int)gid));
777
778 map.gid = gid;
779 sid_copy(&map.sid, &sid);
780 map.sid_name_use = SID_NAME_ALIAS;
781 fstrcpy(map.nt_name, groupname);
782 fstrcpy(map.comment, "");
783
784 status = pdb_add_group_mapping_entry(&map);
785
786 if (!NT_STATUS_IS_OK(status)) {
787 DEBUG(0, ("pdb_create_builtin_alias: Could not add group mapping entry for alias %d "
788 "(%s)\n", rid, nt_errstr(status)));
789 }
790
791 return status;
792}
793
794
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