source: trunk/server/libgpo/gpo_ldap.c@ 1072

Last change on this file since 1072 was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 21.8 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * Group Policy Object Support
4 * Copyright (C) Guenther Deschner 2005,2007
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include "includes.h"
21#include "libgpo/gpo.h"
22#include "auth.h"
23#if _SAMBA_BUILD_ == 4
24#include "libgpo/gpo_s4.h"
25#include "source4/libgpo/ads_convenience.h"
26#endif
27#include "../libcli/security/security.h"
28
29/****************************************************************
30 parse the raw extension string into a GP_EXT structure
31****************************************************************/
32
33bool ads_parse_gp_ext(TALLOC_CTX *mem_ctx,
34 const char *extension_raw,
35 struct GP_EXT **gp_ext)
36{
37 bool ret = false;
38 struct GP_EXT *ext = NULL;
39 char **ext_list = NULL;
40 char **ext_strings = NULL;
41 int i;
42
43 if (!extension_raw) {
44 goto parse_error;
45 }
46
47 DEBUG(20,("ads_parse_gp_ext: %s\n", extension_raw));
48
49 ext = talloc_zero(mem_ctx, struct GP_EXT);
50 if (!ext) {
51 goto parse_error;
52 }
53
54 ext_list = str_list_make(mem_ctx, extension_raw, "]");
55 if (!ext_list) {
56 goto parse_error;
57 }
58
59 for (i = 0; ext_list[i] != NULL; i++) {
60 /* no op */
61 }
62
63 ext->num_exts = i;
64
65 if (ext->num_exts) {
66 ext->extensions = talloc_zero_array(mem_ctx, char *,
67 ext->num_exts);
68 ext->extensions_guid = talloc_zero_array(mem_ctx, char *,
69 ext->num_exts);
70 ext->snapins = talloc_zero_array(mem_ctx, char *,
71 ext->num_exts);
72 ext->snapins_guid = talloc_zero_array(mem_ctx, char *,
73 ext->num_exts);
74 }
75
76 ext->gp_extension = talloc_strdup(mem_ctx, extension_raw);
77
78 if (!ext->extensions || !ext->extensions_guid ||
79 !ext->snapins || !ext->snapins_guid ||
80 !ext->gp_extension) {
81 goto parse_error;
82 }
83
84 for (i = 0; ext_list[i] != NULL; i++) {
85
86 int k;
87 char *p, *q;
88
89 DEBUGADD(10,("extension #%d\n", i));
90
91 p = ext_list[i];
92
93 if (p[0] == '[') {
94 p++;
95 }
96
97 ext_strings = str_list_make(mem_ctx, p, "}");
98 if (ext_strings == NULL) {
99 goto parse_error;
100 }
101
102 for (k = 0; ext_strings[k] != NULL; k++) {
103 /* no op */
104 }
105
106 q = ext_strings[0];
107
108 if (q[0] == '{') {
109 q++;
110 }
111
112 ext->extensions[i] = talloc_strdup(mem_ctx,
113 cse_gpo_guid_string_to_name(q));
114 ext->extensions_guid[i] = talloc_strdup(mem_ctx, q);
115
116 /* we might have no name for the guid */
117 if (ext->extensions_guid[i] == NULL) {
118 goto parse_error;
119 }
120
121 for (k = 1; ext_strings[k] != NULL; k++) {
122
123 char *m = ext_strings[k];
124
125 if (m[0] == '{') {
126 m++;
127 }
128
129 /* FIXME: theoretically there could be more than one
130 * snapin per extension */
131 ext->snapins[i] = talloc_strdup(mem_ctx,
132 cse_snapin_gpo_guid_string_to_name(m));
133 ext->snapins_guid[i] = talloc_strdup(mem_ctx, m);
134
135 /* we might have no name for the guid */
136 if (ext->snapins_guid[i] == NULL) {
137 goto parse_error;
138 }
139 }
140 }
141
142 *gp_ext = ext;
143
144 ret = true;
145
146 parse_error:
147 talloc_free(ext_list);
148 talloc_free(ext_strings);
149
150 return ret;
151}
152
153#ifdef HAVE_LDAP
154
155/****************************************************************
156 parse the raw link string into a GP_LINK structure
157****************************************************************/
158
159static ADS_STATUS gpo_parse_gplink(TALLOC_CTX *mem_ctx,
160 const char *gp_link_raw,
161 uint32_t options,
162 struct GP_LINK *gp_link)
163{
164 ADS_STATUS status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
165 char **link_list;
166 int i;
167
168 ZERO_STRUCTP(gp_link);
169
170 DEBUG(10,("gpo_parse_gplink: gPLink: %s\n", gp_link_raw));
171
172 link_list = str_list_make_v3(mem_ctx, gp_link_raw, "]");
173 if (!link_list) {
174 goto parse_error;
175 }
176
177 for (i = 0; link_list[i] != NULL; i++) {
178 /* no op */
179 }
180
181 gp_link->gp_opts = options;
182 gp_link->num_links = i;
183
184 if (gp_link->num_links) {
185 gp_link->link_names = talloc_zero_array(mem_ctx, char *,
186 gp_link->num_links);
187 gp_link->link_opts = talloc_zero_array(mem_ctx, uint32_t,
188 gp_link->num_links);
189 }
190
191 gp_link->gp_link = talloc_strdup(mem_ctx, gp_link_raw);
192
193 if (!gp_link->link_names || !gp_link->link_opts || !gp_link->gp_link) {
194 goto parse_error;
195 }
196
197 for (i = 0; link_list[i] != NULL; i++) {
198
199 char *p, *q;
200
201 DEBUGADD(10,("gpo_parse_gplink: processing link #%d\n", i));
202
203 q = link_list[i];
204 if (q[0] == '[') {
205 q++;
206 };
207
208 p = strchr(q, ';');
209
210 if (p == NULL) {
211 goto parse_error;
212 }
213
214 gp_link->link_names[i] = talloc_strdup(mem_ctx, q);
215 if (gp_link->link_names[i] == NULL) {
216 goto parse_error;
217 }
218 gp_link->link_names[i][PTR_DIFF(p, q)] = 0;
219
220 gp_link->link_opts[i] = atoi(p + 1);
221
222 DEBUGADD(10,("gpo_parse_gplink: link: %s\n",
223 gp_link->link_names[i]));
224 DEBUGADD(10,("gpo_parse_gplink: opt: %d\n",
225 gp_link->link_opts[i]));
226
227 }
228
229 status = ADS_SUCCESS;
230
231 parse_error:
232 talloc_free(link_list);
233
234 return status;
235}
236
237/****************************************************************
238 helper call to get a GP_LINK structure from a linkdn
239****************************************************************/
240
241ADS_STATUS ads_get_gpo_link(ADS_STRUCT *ads,
242 TALLOC_CTX *mem_ctx,
243 const char *link_dn,
244 struct GP_LINK *gp_link_struct)
245{
246 ADS_STATUS status;
247 const char *attrs[] = {"gPLink", "gPOptions", NULL};
248 LDAPMessage *res = NULL;
249 const char *gp_link;
250 uint32_t gp_options;
251
252 ZERO_STRUCTP(gp_link_struct);
253
254 status = ads_search_dn(ads, &res, link_dn, attrs);
255 if (!ADS_ERR_OK(status)) {
256 DEBUG(10,("ads_get_gpo_link: search failed with %s\n",
257 ads_errstr(status)));
258 return status;
259 }
260
261 if (ads_count_replies(ads, res) != 1) {
262 DEBUG(10,("ads_get_gpo_link: no result\n"));
263 ads_msgfree(ads, res);
264 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
265 }
266
267 gp_link = ads_pull_string(ads, mem_ctx, res, "gPLink");
268 if (gp_link == NULL) {
269 DEBUG(10,("ads_get_gpo_link: no 'gPLink' attribute found\n"));
270 ads_msgfree(ads, res);
271 return ADS_ERROR(LDAP_NO_SUCH_ATTRIBUTE);
272 }
273
274 /* perfectly legal to have no options */
275 if (!ads_pull_uint32(ads, res, "gPOptions", &gp_options)) {
276 DEBUG(10,("ads_get_gpo_link: "
277 "no 'gPOptions' attribute found\n"));
278 gp_options = 0;
279 }
280
281 ads_msgfree(ads, res);
282
283 return gpo_parse_gplink(mem_ctx, gp_link, gp_options, gp_link_struct);
284}
285
286/****************************************************************
287 helper call to add a gp link
288****************************************************************/
289
290ADS_STATUS ads_add_gpo_link(ADS_STRUCT *ads,
291 TALLOC_CTX *mem_ctx,
292 const char *link_dn,
293 const char *gpo_dn,
294 uint32_t gpo_opt)
295{
296 ADS_STATUS status;
297 const char *attrs[] = {"gPLink", NULL};
298 LDAPMessage *res = NULL;
299 const char *gp_link, *gp_link_new;
300 ADS_MODLIST mods;
301
302 /* although ADS allows to set anything here, we better check here if
303 * the gpo_dn is sane */
304
305 if (!strnequal(gpo_dn, "LDAP://CN={", strlen("LDAP://CN={")) != 0) {
306 return ADS_ERROR(LDAP_INVALID_DN_SYNTAX);
307 }
308
309 status = ads_search_dn(ads, &res, link_dn, attrs);
310 if (!ADS_ERR_OK(status)) {
311 DEBUG(10,("ads_add_gpo_link: search failed with %s\n",
312 ads_errstr(status)));
313 return status;
314 }
315
316 if (ads_count_replies(ads, res) != 1) {
317 DEBUG(10,("ads_add_gpo_link: no result\n"));
318 ads_msgfree(ads, res);
319 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
320 }
321
322 gp_link = ads_pull_string(ads, mem_ctx, res, "gPLink");
323 if (gp_link == NULL) {
324 gp_link_new = talloc_asprintf(mem_ctx, "[%s;%d]",
325 gpo_dn, gpo_opt);
326 } else {
327 gp_link_new = talloc_asprintf(mem_ctx, "%s[%s;%d]",
328 gp_link, gpo_dn, gpo_opt);
329 }
330
331 ads_msgfree(ads, res);
332 ADS_ERROR_HAVE_NO_MEMORY(gp_link_new);
333
334 mods = ads_init_mods(mem_ctx);
335 ADS_ERROR_HAVE_NO_MEMORY(mods);
336
337 status = ads_mod_str(mem_ctx, &mods, "gPLink", gp_link_new);
338 if (!ADS_ERR_OK(status)) {
339 return status;
340 }
341
342 return ads_gen_mod(ads, link_dn, mods);
343}
344
345/****************************************************************
346 helper call to delete add a gp link
347****************************************************************/
348
349/* untested & broken */
350ADS_STATUS ads_delete_gpo_link(ADS_STRUCT *ads,
351 TALLOC_CTX *mem_ctx,
352 const char *link_dn,
353 const char *gpo_dn)
354{
355 ADS_STATUS status;
356 const char *attrs[] = {"gPLink", NULL};
357 LDAPMessage *res = NULL;
358 const char *gp_link, *gp_link_new = NULL;
359 ADS_MODLIST mods;
360
361 /* check for a sane gpo_dn */
362 if (gpo_dn[0] != '[') {
363 DEBUG(10,("ads_delete_gpo_link: first char not: [\n"));
364 return ADS_ERROR(LDAP_INVALID_DN_SYNTAX);
365 }
366
367 if (gpo_dn[strlen(gpo_dn)] != ']') {
368 DEBUG(10,("ads_delete_gpo_link: last char not: ]\n"));
369 return ADS_ERROR(LDAP_INVALID_DN_SYNTAX);
370 }
371
372 status = ads_search_dn(ads, &res, link_dn, attrs);
373 if (!ADS_ERR_OK(status)) {
374 DEBUG(10,("ads_delete_gpo_link: search failed with %s\n",
375 ads_errstr(status)));
376 return status;
377 }
378
379 if (ads_count_replies(ads, res) != 1) {
380 DEBUG(10,("ads_delete_gpo_link: no result\n"));
381 ads_msgfree(ads, res);
382 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
383 }
384
385 gp_link = ads_pull_string(ads, mem_ctx, res, "gPLink");
386 if (gp_link == NULL) {
387 return ADS_ERROR(LDAP_NO_SUCH_ATTRIBUTE);
388 }
389
390 /* find link to delete */
391 /* gp_link_new = talloc_asprintf(mem_ctx, "%s[%s;%d]", gp_link,
392 gpo_dn, gpo_opt); */
393
394 ads_msgfree(ads, res);
395 ADS_ERROR_HAVE_NO_MEMORY(gp_link_new);
396
397 mods = ads_init_mods(mem_ctx);
398 ADS_ERROR_HAVE_NO_MEMORY(mods);
399
400 status = ads_mod_str(mem_ctx, &mods, "gPLink", gp_link_new);
401 if (!ADS_ERR_OK(status)) {
402 return status;
403 }
404
405 return ads_gen_mod(ads, link_dn, mods);
406}
407
408/****************************************************************
409 parse a GROUP_POLICY_OBJECT structure from an LDAPMessage result
410****************************************************************/
411
412 ADS_STATUS ads_parse_gpo(ADS_STRUCT *ads,
413 TALLOC_CTX *mem_ctx,
414 LDAPMessage *res,
415 const char *gpo_dn,
416 struct GROUP_POLICY_OBJECT *gpo)
417{
418 ZERO_STRUCTP(gpo);
419
420 ADS_ERROR_HAVE_NO_MEMORY(res);
421
422 if (gpo_dn) {
423 gpo->ds_path = talloc_strdup(mem_ctx, gpo_dn);
424 } else {
425 gpo->ds_path = ads_get_dn(ads, mem_ctx, res);
426 }
427
428 ADS_ERROR_HAVE_NO_MEMORY(gpo->ds_path);
429
430 if (!ads_pull_uint32(ads, res, "versionNumber", &gpo->version)) {
431 return ADS_ERROR(LDAP_NO_MEMORY);
432 }
433
434 if (!ads_pull_uint32(ads, res, "flags", &gpo->options)) {
435 return ADS_ERROR(LDAP_NO_MEMORY);
436 }
437
438 gpo->file_sys_path = ads_pull_string(ads, mem_ctx, res,
439 "gPCFileSysPath");
440 ADS_ERROR_HAVE_NO_MEMORY(gpo->file_sys_path);
441
442 gpo->display_name = ads_pull_string(ads, mem_ctx, res,
443 "displayName");
444 ADS_ERROR_HAVE_NO_MEMORY(gpo->display_name);
445
446 gpo->name = ads_pull_string(ads, mem_ctx, res,
447 "name");
448 ADS_ERROR_HAVE_NO_MEMORY(gpo->name);
449
450 gpo->machine_extensions = ads_pull_string(ads, mem_ctx, res,
451 "gPCMachineExtensionNames");
452 gpo->user_extensions = ads_pull_string(ads, mem_ctx, res,
453 "gPCUserExtensionNames");
454
455 ads_pull_sd(ads, mem_ctx, res, "ntSecurityDescriptor",
456 &gpo->security_descriptor);
457 ADS_ERROR_HAVE_NO_MEMORY(gpo->security_descriptor);
458
459 return ADS_ERROR(LDAP_SUCCESS);
460}
461
462/****************************************************************
463 get a GROUP_POLICY_OBJECT structure based on different input parameters
464****************************************************************/
465
466ADS_STATUS ads_get_gpo(ADS_STRUCT *ads,
467 TALLOC_CTX *mem_ctx,
468 const char *gpo_dn,
469 const char *display_name,
470 const char *guid_name,
471 struct GROUP_POLICY_OBJECT *gpo)
472{
473 ADS_STATUS status;
474 LDAPMessage *res = NULL;
475 char *dn;
476 const char *filter;
477 const char *attrs[] = {
478 "cn",
479 "displayName",
480 "flags",
481 "gPCFileSysPath",
482 "gPCFunctionalityVersion",
483 "gPCMachineExtensionNames",
484 "gPCUserExtensionNames",
485 "gPCWQLFilter",
486 "name",
487 "ntSecurityDescriptor",
488 "versionNumber",
489 NULL};
490 uint32_t sd_flags = SECINFO_DACL;
491
492 ZERO_STRUCTP(gpo);
493
494 if (!gpo_dn && !display_name && !guid_name) {
495 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
496 }
497
498 if (gpo_dn) {
499
500 if (strnequal(gpo_dn, "LDAP://", strlen("LDAP://")) != 0) {
501 gpo_dn = gpo_dn + strlen("LDAP://");
502 }
503
504 status = ads_search_retry_dn_sd_flags(ads, &res,
505 sd_flags,
506 gpo_dn, attrs);
507
508 } else if (display_name || guid_name) {
509
510 filter = talloc_asprintf(mem_ctx,
511 "(&(objectclass=groupPolicyContainer)(%s=%s))",
512 display_name ? "displayName" : "name",
513 display_name ? display_name : guid_name);
514 ADS_ERROR_HAVE_NO_MEMORY(filter);
515
516 status = ads_do_search_all_sd_flags(ads, ads->config.bind_path,
517 LDAP_SCOPE_SUBTREE, filter,
518 attrs, sd_flags, &res);
519 }
520
521 if (!ADS_ERR_OK(status)) {
522 DEBUG(10,("ads_get_gpo: search failed with %s\n",
523 ads_errstr(status)));
524 return status;
525 }
526
527 if (ads_count_replies(ads, res) != 1) {
528 DEBUG(10,("ads_get_gpo: no result\n"));
529 ads_msgfree(ads, res);
530 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
531 }
532
533 dn = ads_get_dn(ads, mem_ctx, res);
534 if (dn == NULL) {
535 ads_msgfree(ads, res);
536 return ADS_ERROR(LDAP_NO_MEMORY);
537 }
538
539 status = ads_parse_gpo(ads, mem_ctx, res, dn, gpo);
540 ads_msgfree(ads, res);
541 TALLOC_FREE(dn);
542
543 return status;
544}
545
546/****************************************************************
547 add a gplink to the GROUP_POLICY_OBJECT linked list
548****************************************************************/
549
550static ADS_STATUS add_gplink_to_gpo_list(ADS_STRUCT *ads,
551 TALLOC_CTX *mem_ctx,
552 struct GROUP_POLICY_OBJECT **gpo_list,
553 const char *link_dn,
554 struct GP_LINK *gp_link,
555 enum GPO_LINK_TYPE link_type,
556 bool only_add_forced_gpos,
557 const struct security_token *token)
558{
559 ADS_STATUS status;
560 int i;
561
562 for (i = 0; i < gp_link->num_links; i++) {
563
564 struct GROUP_POLICY_OBJECT *new_gpo = NULL;
565
566 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
567 DEBUG(10,("skipping disabled GPO\n"));
568 continue;
569 }
570
571 if (only_add_forced_gpos) {
572
573 if (!(gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED)) {
574 DEBUG(10,("skipping nonenforced GPO link "
575 "because GPOPTIONS_BLOCK_INHERITANCE "
576 "has been set\n"));
577 continue;
578 } else {
579 DEBUG(10,("adding enforced GPO link although "
580 "the GPOPTIONS_BLOCK_INHERITANCE "
581 "has been set\n"));
582 }
583 }
584
585 new_gpo = TALLOC_ZERO_P(mem_ctx, struct GROUP_POLICY_OBJECT);
586 ADS_ERROR_HAVE_NO_MEMORY(new_gpo);
587
588 status = ads_get_gpo(ads, mem_ctx, gp_link->link_names[i],
589 NULL, NULL, new_gpo);
590 if (!ADS_ERR_OK(status)) {
591 DEBUG(10,("failed to get gpo: %s\n",
592 gp_link->link_names[i]));
593 return status;
594 }
595
596 status = ADS_ERROR_NT(gpo_apply_security_filtering(new_gpo,
597 token));
598 if (!ADS_ERR_OK(status)) {
599 DEBUG(10,("skipping GPO \"%s\" as object "
600 "has no access to it\n",
601 new_gpo->display_name));
602 talloc_free(new_gpo);
603 continue;
604 }
605
606 new_gpo->link = link_dn;
607 new_gpo->link_type = link_type;
608
609 DLIST_ADD(*gpo_list, new_gpo);
610
611 DEBUG(10,("add_gplink_to_gplist: added GPLINK #%d %s "
612 "to GPO list\n", i, gp_link->link_names[i]));
613 }
614
615 return ADS_ERROR(LDAP_SUCCESS);
616}
617
618/****************************************************************
619****************************************************************/
620
621ADS_STATUS ads_get_sid_token(ADS_STRUCT *ads,
622 TALLOC_CTX *mem_ctx,
623 const char *dn,
624 struct security_token **token)
625{
626 ADS_STATUS status;
627 struct dom_sid object_sid;
628 struct dom_sid primary_group_sid;
629 struct dom_sid *ad_token_sids;
630 size_t num_ad_token_sids = 0;
631 struct dom_sid *token_sids;
632 uint32_t num_token_sids = 0;
633 struct security_token *new_token = NULL;
634 int i;
635
636 status = ads_get_tokensids(ads, mem_ctx, dn,
637 &object_sid, &primary_group_sid,
638 &ad_token_sids, &num_ad_token_sids);
639 if (!ADS_ERR_OK(status)) {
640 return status;
641 }
642
643 token_sids = TALLOC_ARRAY(mem_ctx, struct dom_sid, 1);
644 ADS_ERROR_HAVE_NO_MEMORY(token_sids);
645
646 status = ADS_ERROR_NT(add_sid_to_array_unique(mem_ctx,
647 &primary_group_sid,
648 &token_sids,
649 &num_token_sids));
650 if (!ADS_ERR_OK(status)) {
651 return status;
652 }
653
654 for (i = 0; i < num_ad_token_sids; i++) {
655
656 if (sid_check_is_in_builtin(&ad_token_sids[i])) {
657 continue;
658 }
659
660 status = ADS_ERROR_NT(add_sid_to_array_unique(mem_ctx,
661 &ad_token_sids[i],
662 &token_sids,
663 &num_token_sids));
664 if (!ADS_ERR_OK(status)) {
665 return status;
666 }
667 }
668
669 new_token = create_local_nt_token(mem_ctx, &object_sid, false,
670 num_token_sids, token_sids);
671 ADS_ERROR_HAVE_NO_MEMORY(new_token);
672
673 *token = new_token;
674
675 security_token_debug(DBGC_CLASS, 5, *token);
676
677 return ADS_ERROR_LDAP(LDAP_SUCCESS);
678}
679
680/****************************************************************
681****************************************************************/
682
683static ADS_STATUS add_local_policy_to_gpo_list(TALLOC_CTX *mem_ctx,
684 struct GROUP_POLICY_OBJECT **gpo_list,
685 enum GPO_LINK_TYPE link_type)
686{
687 struct GROUP_POLICY_OBJECT *gpo = NULL;
688
689 ADS_ERROR_HAVE_NO_MEMORY(gpo_list);
690
691 gpo = TALLOC_ZERO_P(mem_ctx, struct GROUP_POLICY_OBJECT);
692 ADS_ERROR_HAVE_NO_MEMORY(gpo);
693
694 gpo->name = talloc_strdup(mem_ctx, "Local Policy");
695 ADS_ERROR_HAVE_NO_MEMORY(gpo->name);
696
697 gpo->display_name = talloc_strdup(mem_ctx, "Local Policy");
698 ADS_ERROR_HAVE_NO_MEMORY(gpo->display_name);
699
700 gpo->link_type = link_type;
701
702 DLIST_ADD(*gpo_list, gpo);
703
704 return ADS_ERROR_NT(NT_STATUS_OK);
705}
706
707/****************************************************************
708 get the full list of GROUP_POLICY_OBJECTs for a given dn
709****************************************************************/
710
711ADS_STATUS ads_get_gpo_list(ADS_STRUCT *ads,
712 TALLOC_CTX *mem_ctx,
713 const char *dn,
714 uint32_t flags,
715 const struct security_token *token,
716 struct GROUP_POLICY_OBJECT **gpo_list)
717{
718 /* (L)ocal (S)ite (D)omain (O)rganizational(U)nit */
719
720 ADS_STATUS status;
721 struct GP_LINK gp_link;
722 const char *parent_dn, *site_dn, *tmp_dn;
723 bool add_only_forced_gpos = false;
724
725 ZERO_STRUCTP(gpo_list);
726
727 if (!dn) {
728 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
729 }
730
731 if (!ads_set_sasl_wrap_flags(ads, ADS_AUTH_SASL_SIGN)) {
732 return ADS_ERROR(LDAP_INVALID_CREDENTIALS);
733 }
734
735 DEBUG(10,("ads_get_gpo_list: getting GPO list for [%s]\n", dn));
736
737 /* (L)ocal */
738 status = add_local_policy_to_gpo_list(mem_ctx, gpo_list,
739 GP_LINK_LOCAL);
740 if (!ADS_ERR_OK(status)) {
741 return status;
742 }
743
744 /* (S)ite */
745
746 /* are site GPOs valid for users as well ??? */
747 if (flags & GPO_LIST_FLAG_MACHINE) {
748
749 status = ads_site_dn_for_machine(ads, mem_ctx,
750 ads->config.ldap_server_name,
751 &site_dn);
752 if (!ADS_ERR_OK(status)) {
753 return status;
754 }
755
756 DEBUG(10,("ads_get_gpo_list: query SITE: [%s] for GPOs\n",
757 site_dn));
758
759 status = ads_get_gpo_link(ads, mem_ctx, site_dn, &gp_link);
760 if (ADS_ERR_OK(status)) {
761
762 if (DEBUGLEVEL >= 100) {
763 dump_gplink(ads, mem_ctx, &gp_link);
764 }
765
766 status = add_gplink_to_gpo_list(ads, mem_ctx, gpo_list,
767 site_dn, &gp_link,
768 GP_LINK_SITE,
769 add_only_forced_gpos,
770 token);
771 if (!ADS_ERR_OK(status)) {
772 return status;
773 }
774
775 if (flags & GPO_LIST_FLAG_SITEONLY) {
776 return ADS_ERROR(LDAP_SUCCESS);
777 }
778
779 /* inheritance can't be blocked at the site level */
780 }
781 }
782
783 tmp_dn = dn;
784
785 while ((parent_dn = ads_parent_dn(tmp_dn)) &&
786 (!strequal(parent_dn, ads_parent_dn(ads->config.bind_path)))) {
787
788 /* (D)omain */
789
790 /* An account can just be a member of one domain */
791 if (strncmp(parent_dn, "DC=", strlen("DC=")) == 0) {
792
793 DEBUG(10,("ads_get_gpo_list: query DC: [%s] for GPOs\n",
794 parent_dn));
795
796 status = ads_get_gpo_link(ads, mem_ctx, parent_dn,
797 &gp_link);
798 if (ADS_ERR_OK(status)) {
799
800 if (DEBUGLEVEL >= 100) {
801 dump_gplink(ads, mem_ctx, &gp_link);
802 }
803
804 /* block inheritance from now on */
805 if (gp_link.gp_opts &
806 GPOPTIONS_BLOCK_INHERITANCE) {
807 add_only_forced_gpos = true;
808 }
809
810 status = add_gplink_to_gpo_list(ads,
811 mem_ctx,
812 gpo_list,
813 parent_dn,
814 &gp_link,
815 GP_LINK_DOMAIN,
816 add_only_forced_gpos,
817 token);
818 if (!ADS_ERR_OK(status)) {
819 return status;
820 }
821 }
822 }
823
824 tmp_dn = parent_dn;
825 }
826
827 /* reset dn again */
828 tmp_dn = dn;
829
830 while ((parent_dn = ads_parent_dn(tmp_dn)) &&
831 (!strequal(parent_dn, ads_parent_dn(ads->config.bind_path)))) {
832
833
834 /* (O)rganizational(U)nit */
835
836 /* An account can be a member of more OUs */
837 if (strncmp(parent_dn, "OU=", strlen("OU=")) == 0) {
838
839 DEBUG(10,("ads_get_gpo_list: query OU: [%s] for GPOs\n",
840 parent_dn));
841
842 status = ads_get_gpo_link(ads, mem_ctx, parent_dn,
843 &gp_link);
844 if (ADS_ERR_OK(status)) {
845
846 if (DEBUGLEVEL >= 100) {
847 dump_gplink(ads, mem_ctx, &gp_link);
848 }
849
850 /* block inheritance from now on */
851 if (gp_link.gp_opts &
852 GPOPTIONS_BLOCK_INHERITANCE) {
853 add_only_forced_gpos = true;
854 }
855
856 status = add_gplink_to_gpo_list(ads,
857 mem_ctx,
858 gpo_list,
859 parent_dn,
860 &gp_link,
861 GP_LINK_OU,
862 add_only_forced_gpos,
863 token);
864 if (!ADS_ERR_OK(status)) {
865 return status;
866 }
867 }
868 }
869
870 tmp_dn = parent_dn;
871
872 };
873
874 return ADS_ERROR(LDAP_SUCCESS);
875}
876
877#endif /* HAVE_LDAP */
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