2 * Unix SMB/CIFS implementation.
3 * Group Policy Object Support
4 * Copyright (C) Jelmer Vernooij 2008
5 * Copyright (C) Wilco Baan Hofman 2008-2010
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "param/param.h"
22 #include "lib/ldb/include/ldb.h"
23 #include "lib/ldb-samba/ldb_wrap.h"
24 #include "auth/credentials/credentials.h"
25 #include "../librpc/gen_ndr/nbt.h"
26 #include "libcli/libcli.h"
27 #include "libnet/libnet.h"
28 #include "../librpc/gen_ndr/ndr_security.h"
29 #include "../libcli/security/security.h"
30 #include "libcli/ldap/ldap_ndr.h"
31 #include "../lib/talloc/talloc.h"
32 #include "lib/policy/policy.h"
34 struct gpo_stringmap {
38 static const struct gpo_stringmap gplink_options [] = {
39 { "GPLINK_OPT_DISABLE", GPLINK_OPT_DISABLE },
40 { "GPLINK_OPT_ENFORCE", GPLINK_OPT_ENFORCE },
43 static const struct gpo_stringmap gpo_flags [] = {
44 { "GPO_FLAG_USER_DISABLE", GPO_FLAG_USER_DISABLE },
45 { "GPO_FLAG_MACHINE_DISABLE", GPO_FLAG_MACHINE_DISABLE },
48 static const struct gpo_stringmap gpo_inheritance [] = {
49 { "GPO_INHERIT", GPO_INHERIT },
50 { "GPO_BLOCK_INHERITANCE", GPO_BLOCK_INHERITANCE },
55 static NTSTATUS parse_gpo(TALLOC_CTX *mem_ctx, struct ldb_message *msg, struct gp_object **ret)
57 struct gp_object *gpo = talloc(mem_ctx, struct gp_object);
58 enum ndr_err_code ndr_err;
59 const DATA_BLOB *data;
61 NT_STATUS_HAVE_NO_MEMORY(gpo);
63 gpo->dn = talloc_strdup(mem_ctx, ldb_dn_get_linearized(msg->dn));
64 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo->dn, gpo);
66 DEBUG(9, ("Parsing GPO LDAP data for %s\n", gpo->dn));
68 gpo->display_name = talloc_strdup(gpo, ldb_msg_find_attr_as_string(msg, "displayName", ""));
69 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo->display_name, gpo);
71 gpo->name = talloc_strdup(gpo, ldb_msg_find_attr_as_string(msg, "name", ""));
72 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo->name, gpo);
74 gpo->flags = ldb_msg_find_attr_as_uint(msg, "flags", 0);
75 gpo->version = ldb_msg_find_attr_as_uint(msg, "versionNumber", 0);
77 gpo->file_sys_path = talloc_strdup(gpo, ldb_msg_find_attr_as_string(msg, "gPCFileSysPath", ""));
78 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo->file_sys_path, gpo);
80 /* Pull the security descriptor through the NDR library */
81 data = ldb_msg_find_ldb_val(msg, "nTSecurityDescriptor");
82 gpo->security_descriptor = talloc(gpo, struct security_descriptor);
83 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo->security_descriptor, gpo);
85 ndr_err = ndr_pull_struct_blob(data,
87 gpo->security_descriptor,
88 (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
89 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
90 return ndr_map_error2ntstatus(ndr_err);
97 NTSTATUS gp_get_gpo_flags(TALLOC_CTX *mem_ctx, uint32_t flags, const char ***ret)
99 unsigned int i, count=0;
100 const char **flag_strs = talloc_array(mem_ctx, const char *, 1);
102 NT_STATUS_HAVE_NO_MEMORY(flag_strs);
106 for (i = 0; gpo_flags[i].str != NULL; i++) {
107 if (flags & gpo_flags[i].flags) {
108 flag_strs = talloc_realloc(mem_ctx, flag_strs, const char *, count+2);
109 NT_STATUS_HAVE_NO_MEMORY(flag_strs);
110 flag_strs[count] = gpo_flags[i].str;
111 flag_strs[count+1] = NULL;
119 NTSTATUS gp_get_gplink_options(TALLOC_CTX *mem_ctx, uint32_t options, const char ***ret)
121 unsigned int i, count=0;
122 const char **flag_strs = talloc_array(mem_ctx, const char *, 1);
124 NT_STATUS_HAVE_NO_MEMORY(flag_strs);
127 for (i = 0; gplink_options[i].str != NULL; i++) {
128 if (options & gplink_options[i].flags) {
129 flag_strs = talloc_realloc(mem_ctx, flag_strs, const char *, count+2);
130 NT_STATUS_HAVE_NO_MEMORY(flag_strs);
131 flag_strs[count] = gplink_options[i].str;
132 flag_strs[count+1] = NULL;
140 NTSTATUS gp_init(TALLOC_CTX *mem_ctx,
141 struct loadparm_context *lp_ctx,
142 struct cli_credentials *credentials,
143 struct tevent_context *ev_ctx,
144 struct gp_context **gp_ctx)
147 struct libnet_LookupDCs *io;
149 struct libnet_context *net_ctx;
150 struct ldb_context *ldb_ctx;
153 /* Initialise the libnet context */
154 net_ctx = libnet_context_init(ev_ctx, lp_ctx);
155 net_ctx->cred = credentials;
157 /* Prepare libnet lookup structure for looking a DC (PDC is correct). */
158 io = talloc_zero(mem_ctx, struct libnet_LookupDCs);
159 NT_STATUS_HAVE_NO_MEMORY(io);
160 io->in.name_type = NBT_NAME_PDC;
161 io->in.domain_name = lpcfg_workgroup(lp_ctx);
163 /* Find Active DC's */
164 rv = libnet_LookupDCs(net_ctx, mem_ctx, io);
165 if (!NT_STATUS_IS_OK(rv)) {
166 DEBUG(0, ("Failed to lookup DCs in domain\n"));
170 /* Connect to ldap://DC_NAME with all relevant contexts*/
171 url = talloc_asprintf(mem_ctx, "ldap://%s", io->out.dcs[0].name);
172 NT_STATUS_HAVE_NO_MEMORY(url);
173 ldb_ctx = ldb_wrap_connect(mem_ctx, net_ctx->event_ctx, lp_ctx,
174 url, NULL, net_ctx->cred, 0);
175 if (ldb_ctx == NULL) {
176 DEBUG(0, ("Can't connect to DC's LDAP with url %s\n", url));
177 return NT_STATUS_UNSUCCESSFUL;
181 *gp_ctx = talloc_zero(mem_ctx, struct gp_context);
182 NT_STATUS_HAVE_NO_MEMORY(gp_ctx);
184 (*gp_ctx)->lp_ctx = lp_ctx;
185 (*gp_ctx)->credentials = credentials;
186 (*gp_ctx)->ev_ctx = ev_ctx;
187 (*gp_ctx)->ldb_ctx = ldb_ctx;
188 (*gp_ctx)->active_dc = io->out.dcs[0];
190 /* We don't need to keep the libnet context */
191 talloc_free(net_ctx);
195 NTSTATUS gp_list_all_gpos(struct gp_context *gp_ctx, struct gp_object ***ret)
197 struct ldb_result *result;
202 struct gp_object **gpo;
203 unsigned int i; /* same as in struct ldb_result */
206 /* Create a forked memory context, as a base for everything here */
207 mem_ctx = talloc_new(gp_ctx);
208 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
210 /* Create full ldb dn of the policies base object */
211 dn = ldb_get_default_basedn(gp_ctx->ldb_ctx);
212 rv = ldb_dn_add_child(dn, ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, "CN=Policies,CN=System"));
214 DEBUG(0, ("Can't append subtree to DN\n"));
215 talloc_free(mem_ctx);
216 return NT_STATUS_UNSUCCESSFUL;
219 DEBUG(10, ("Searching for policies in DN: %s\n", ldb_dn_get_linearized(dn)));
221 attrs = talloc_array(mem_ctx, const char *, 7);
222 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(attrs, mem_ctx);
224 attrs[0] = "nTSecurityDescriptor";
225 attrs[1] = "versionNumber";
228 attrs[4] = "displayName";
229 attrs[5] = "gPCFileSysPath";
232 rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_ONELEVEL, attrs, "(objectClass=groupPolicyContainer)");
233 if (rv != LDB_SUCCESS) {
234 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv), ldb_errstring(gp_ctx->ldb_ctx)));
235 talloc_free(mem_ctx);
236 return NT_STATUS_UNSUCCESSFUL;
239 gpo = talloc_array(gp_ctx, struct gp_object *, result->count+1);
240 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo, mem_ctx);
242 gpo[result->count] = NULL;
244 for (i = 0; i < result->count; i++) {
245 status = parse_gpo(gp_ctx, result->msgs[i], &gpo[i]);
246 if (!NT_STATUS_IS_OK(status)) {
247 DEBUG(0, ("Failed to parse GPO.\n"));
248 talloc_free(mem_ctx);
253 talloc_free(mem_ctx);
259 NTSTATUS gp_get_gpo_info(struct gp_context *gp_ctx, const char *dn_str, struct gp_object **ret)
261 struct ldb_result *result;
263 struct gp_object *gpo;
269 /* Create a forked memory context, as a base for everything here */
270 mem_ctx = talloc_new(gp_ctx);
271 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
273 /* Create an ldb dn struct for the dn string */
274 dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
276 attrs = talloc_array(mem_ctx, const char *, 7);
277 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(attrs, mem_ctx);
279 attrs[0] = "nTSecurityDescriptor";
280 attrs[1] = "versionNumber";
283 attrs[4] = "displayName";
284 attrs[5] = "gPCFileSysPath";
287 rv = ldb_search(gp_ctx->ldb_ctx,
293 "objectClass=groupPolicyContainer");
294 if (rv != LDB_SUCCESS) {
295 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv), ldb_errstring(gp_ctx->ldb_ctx)));
296 talloc_free(mem_ctx);
297 return NT_STATUS_UNSUCCESSFUL;
300 /* We expect exactly one record */
301 if (result->count != 1) {
302 DEBUG(0, ("Could not find GPC with dn %s\n", dn_str));
303 talloc_free(mem_ctx);
304 return NT_STATUS_NOT_FOUND;
307 status = parse_gpo(gp_ctx, result->msgs[0], &gpo);
308 if (!NT_STATUS_IS_OK(status)) {
309 DEBUG(0, ("Failed to parse GPO.\n"));
310 talloc_free(mem_ctx);
314 talloc_free(mem_ctx);
320 static NTSTATUS parse_gplink (TALLOC_CTX *mem_ctx, const char *gplink_str, struct gp_link ***ret)
324 struct gp_link **gplinks;
326 const char *gplink_start = "[LDAP://";
328 gplinks = talloc_array(mem_ctx, struct gp_link *, 1);
329 NT_STATUS_HAVE_NO_MEMORY(gplinks);
333 /* Assuming every gPLink starts with "[LDAP://" */
334 start = strlen(gplink_start);
336 for (pos = start; pos < strlen(gplink_str); pos++) {
337 if (gplink_str[pos] == ';') {
338 gplinks = talloc_realloc(mem_ctx, gplinks, struct gp_link *, idx+2);
339 NT_STATUS_HAVE_NO_MEMORY(gplinks);
340 gplinks[idx] = talloc(mem_ctx, struct gp_link);
341 NT_STATUS_HAVE_NO_MEMORY(gplinks[idx]);
342 gplinks[idx]->dn = talloc_strndup(mem_ctx,
345 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gplinks[idx]->dn, gplinks);
347 for (start = pos + 1; gplink_str[pos] != ']'; pos++);
349 buf = talloc_strndup(gplinks, gplink_str + start, pos - start);
350 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(buf, gplinks);
351 gplinks[idx]->options = (uint32_t) strtoll(buf, &end, 0);
354 /* Set the last entry in the array to be NULL */
355 gplinks[idx + 1] = NULL;
357 /* Increment the array index, the string position past
358 the next "[LDAP://", and set the start reference */
360 pos += strlen(gplink_start)+1;
370 NTSTATUS gp_get_gplinks(struct gp_context *gp_ctx, const char *dn_str, struct gp_link ***ret)
374 struct ldb_result *result;
375 struct gp_link **gplinks;
381 /* Create a forked memory context, as a base for everything here */
382 mem_ctx = talloc_new(gp_ctx);
383 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
385 dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
387 rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_BASE, NULL, "(objectclass=*)");
388 if (rv != LDB_SUCCESS) {
389 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv), ldb_errstring(gp_ctx->ldb_ctx)));
390 talloc_free(mem_ctx);
391 return NT_STATUS_UNSUCCESSFUL;
394 for (i = 0; i < result->count; i++) {
395 for (j = 0; j < result->msgs[i]->num_elements; j++) {
396 struct ldb_message_element *element = &result->msgs[i]->elements[j];
398 if (strcmp(element->name, "gPLink") == 0) {
399 SMB_ASSERT(element->num_values > 0);
400 gplink_str = talloc_strdup(mem_ctx, (char *) element->values[0].data);
401 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gplink_str, mem_ctx);
406 gplink_str = talloc_strdup(mem_ctx, "");
407 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gplink_str, mem_ctx);
411 status = parse_gplink(gp_ctx, gplink_str, &gplinks);
412 if (!NT_STATUS_IS_OK(status)) {
413 DEBUG(0, ("Failed to parse gPLink\n"));
417 talloc_free(mem_ctx);
423 NTSTATUS gp_list_gpos(struct gp_context *gp_ctx, struct security_token *token, const char ***ret)
427 struct ldb_result *result;
430 struct ldb_message_element *element;
432 const char *attrs[] = { "objectClass", NULL };
435 unsigned int count = 0;
438 ACCOUNT_TYPE_USER = 0,
439 ACCOUNT_TYPE_MACHINE = 1
442 /* Create a forked memory context, as a base for everything here */
443 mem_ctx = talloc_new(gp_ctx);
444 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
446 sid = ldap_encode_ndr_dom_sid(mem_ctx,
447 &token->sids[PRIMARY_USER_SID_INDEX]);
448 NT_STATUS_HAVE_NO_MEMORY(sid);
450 /* Find the user DN and objectclass via the sid from the security token */
451 rv = ldb_search(gp_ctx->ldb_ctx,
454 ldb_get_default_basedn(gp_ctx->ldb_ctx),
457 "(&(objectclass=user)(objectSid=%s))", sid);
458 if (rv != LDB_SUCCESS) {
459 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv),
460 ldb_errstring(gp_ctx->ldb_ctx)));
461 talloc_free(mem_ctx);
462 return NT_STATUS_UNSUCCESSFUL;
464 if (result->count != 1) {
465 DEBUG(0, ("Could not find user with sid %s.\n", sid));
466 talloc_free(mem_ctx);
467 return NT_STATUS_UNSUCCESSFUL;
469 DEBUG(10,("Found DN for this user: %s\n", ldb_dn_get_linearized(result->msgs[0]->dn)));
471 element = ldb_msg_find_element(result->msgs[0], "objectClass");
473 /* We need to know if this account is a user or machine. */
474 account_type = ACCOUNT_TYPE_USER;
475 for (i = 0; i < element->num_values; i++) {
476 if (strcmp((char *)element->values[i].data, "computer") == 0) {
477 account_type = ACCOUNT_TYPE_MACHINE;
478 DEBUG(10, ("This user is a machine\n"));
482 gpos = talloc_array(gp_ctx, const char *, 1);
483 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpos, mem_ctx);
486 /* Walk through the containers until we hit the root */
488 dn = ldb_dn_get_parent(mem_ctx, result->msgs[0]->dn);
489 while (ldb_dn_compare_base(ldb_get_default_basedn(gp_ctx->ldb_ctx), dn) == 0) {
490 const char *gpo_attrs[] = { "gPLink", "gPOptions", NULL };
491 struct gp_link **gplinks;
492 enum gpo_inheritance gpoptions;
494 DEBUG(10, ("Getting gPLinks for DN: %s\n", ldb_dn_get_linearized(dn)));
496 /* Get the gPLink and gPOptions attributes from the container */
497 rv = ldb_search(gp_ctx->ldb_ctx,
504 if (rv != LDB_SUCCESS) {
505 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv),
506 ldb_errstring(gp_ctx->ldb_ctx)));
507 talloc_free(mem_ctx);
508 return NT_STATUS_UNSUCCESSFUL;
511 /* Parse the gPLink attribute, put it into a nice struct array */
512 status = parse_gplink(mem_ctx, ldb_msg_find_attr_as_string(result->msgs[0], "gPLink", ""), &gplinks);
513 if (!NT_STATUS_IS_OK(status)) {
514 DEBUG(0, ("Failed to parse gPLink\n"));
515 talloc_free(mem_ctx);
519 /* Check all group policy links on this container */
520 for (i = 0; gplinks[i] != NULL; i++) {
521 struct gp_object *gpo;
522 uint32_t access_granted;
524 /* If inheritance was blocked at a higher level and this
525 * gplink is not enforced, it should not be applied */
526 if (!inherit && !(gplinks[i]->options & GPLINK_OPT_ENFORCE))
529 /* Don't apply disabled links */
530 if (gplinks[i]->options & GPLINK_OPT_DISABLE)
533 /* Get GPO information */
534 status = gp_get_gpo_info(gp_ctx, gplinks[i]->dn, &gpo);
535 if (!NT_STATUS_IS_OK(status)) {
536 DEBUG(0, ("Failed to get gpo information for %s\n", gplinks[i]->dn));
537 talloc_free(mem_ctx);
541 /* If the account does not have read access, this GPO does not apply
543 status = sec_access_check(gpo->security_descriptor,
545 (SEC_STD_READ_CONTROL | SEC_ADS_LIST | SEC_ADS_READ_PROP),
547 if (!NT_STATUS_IS_OK(status)) {
551 /* If the account is a user and the GPO has user disabled flag, or
552 * a machine and the GPO has machine disabled flag, this GPO does
553 * not apply to this account */
554 if ((account_type == ACCOUNT_TYPE_USER &&
555 (gpo->flags & GPO_FLAG_USER_DISABLE)) ||
556 (account_type == ACCOUNT_TYPE_MACHINE &&
557 (gpo->flags & GPO_FLAG_MACHINE_DISABLE))) {
561 /* Add the GPO to the list */
562 gpos = talloc_realloc(gp_ctx, gpos, const char *, count+2);
563 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpos, mem_ctx);
564 gpos[count] = talloc_strdup(gp_ctx, gplinks[i]->dn);
565 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpos[count], mem_ctx);
566 gpos[count+1] = NULL;
573 /* If inheritance is blocked, then we should only add enforced gPLinks
575 gpoptions = ldb_msg_find_attr_as_uint(result->msgs[0], "gPOptions", 0);
576 if (gpoptions == GPO_BLOCK_INHERITANCE) {
579 dn = ldb_dn_get_parent(mem_ctx, dn);
582 talloc_free(mem_ctx);
588 NTSTATUS gp_set_gplink(struct gp_context *gp_ctx, const char *dn_str, struct gp_link *gplink)
591 struct ldb_result *result;
593 struct ldb_message *msg;
594 const char *attrs[] = { "gPLink", NULL };
595 const char *gplink_str;
599 /* Create a forked memory context, as a base for everything here */
600 mem_ctx = talloc_new(gp_ctx);
601 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
603 dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
605 rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_BASE, attrs, "(objectclass=*)");
606 if (rv != LDB_SUCCESS) {
607 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv), ldb_errstring(gp_ctx->ldb_ctx)));
608 talloc_free(mem_ctx);
609 return NT_STATUS_UNSUCCESSFUL;
612 if (result->count != 1) {
613 talloc_free(mem_ctx);
614 return NT_STATUS_NOT_FOUND;
617 gplink_str = ldb_msg_find_attr_as_string(result->msgs[0], "gPLink", "");
619 /* If this GPO link already exists, alter the options, else add it */
620 if ((start = strcasestr(gplink_str, gplink->dn)) != NULL) {
621 start += strlen(gplink->dn);
624 while (*start != ']' && *start != '\0') {
627 gplink_str = talloc_asprintf(mem_ctx, "%s;%d%s", gplink_str, gplink->options, start);
628 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gplink_str, mem_ctx);
631 /* Prepend the new GPO link to the string. This list is backwards in priority. */
632 gplink_str = talloc_asprintf(mem_ctx, "[LDAP://%s;%d]%s", gplink->dn, gplink->options, gplink_str);
633 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gplink_str, mem_ctx);
638 msg = ldb_msg_new(mem_ctx);
639 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
643 rv = ldb_msg_add_string(msg, "gPLink", gplink_str);
645 DEBUG(0, ("LDB message add string failed: %s\n", ldb_strerror(rv)));
646 talloc_free(mem_ctx);
647 return NT_STATUS_UNSUCCESSFUL;
649 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
651 rv = ldb_modify(gp_ctx->ldb_ctx, msg);
653 DEBUG(0, ("LDB modify failed: %s\n", ldb_strerror(rv)));
654 talloc_free(mem_ctx);
655 return NT_STATUS_UNSUCCESSFUL;
658 talloc_free(mem_ctx);
662 NTSTATUS gp_del_gplink(struct gp_context *gp_ctx, const char *dn_str, const char *gplink_dn)
665 struct ldb_result *result;
667 struct ldb_message *msg;
668 const char *attrs[] = { "gPLink", NULL };
669 const char *gplink_str, *search_string;
673 /* Create a forked memory context, as a base for everything here */
674 mem_ctx = talloc_new(gp_ctx);
675 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
677 dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
679 rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_BASE, attrs, "(objectclass=*)");
680 if (rv != LDB_SUCCESS) {
681 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv), ldb_errstring(gp_ctx->ldb_ctx)));
682 talloc_free(mem_ctx);
683 return NT_STATUS_UNSUCCESSFUL;
686 if (result->count != 1) {
687 talloc_free(mem_ctx);
688 return NT_STATUS_NOT_FOUND;
691 gplink_str = ldb_msg_find_attr_as_string(result->msgs[0], "gPLink", "");
693 /* If this GPO link already exists, alter the options, else add it */
694 search_string = talloc_asprintf(mem_ctx, "[LDAP://%s]", gplink_dn);
695 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(search_string, mem_ctx);
697 p = strcasestr(gplink_str, search_string);
699 talloc_free(mem_ctx);
700 return NT_STATUS_NOT_FOUND;
705 while (*p != ']' && *p != '\0') {
709 gplink_str = talloc_asprintf(mem_ctx, "%s%s", gplink_str, p);
710 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gplink_str, mem_ctx);
713 msg = ldb_msg_new(mem_ctx);
714 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
718 if (strcmp(gplink_str, "") == 0) {
719 rv = ldb_msg_add_empty(msg, "gPLink", LDB_FLAG_MOD_DELETE, NULL);
721 DEBUG(0, ("LDB message add empty element failed: %s\n", ldb_strerror(rv)));
722 talloc_free(mem_ctx);
723 return NT_STATUS_UNSUCCESSFUL;
726 rv = ldb_msg_add_string(msg, "gPLink", gplink_str);
728 DEBUG(0, ("LDB message add string failed: %s\n", ldb_strerror(rv)));
729 talloc_free(mem_ctx);
730 return NT_STATUS_UNSUCCESSFUL;
732 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
734 rv = ldb_modify(gp_ctx->ldb_ctx, msg);
736 DEBUG(0, ("LDB modify failed: %s\n", ldb_strerror(rv)));
737 talloc_free(mem_ctx);
738 return NT_STATUS_UNSUCCESSFUL;
741 talloc_free(mem_ctx);
745 NTSTATUS gp_get_inheritance(struct gp_context *gp_ctx, const char *dn_str, enum gpo_inheritance *inheritance)
748 struct ldb_result *result;
750 const char *attrs[] = { "gPOptions", NULL };
753 /* Create a forked memory context, as a base for everything here */
754 mem_ctx = talloc_new(gp_ctx);
755 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
757 dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
759 rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_BASE, attrs, "(objectclass=*)");
760 if (rv != LDB_SUCCESS) {
761 DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv), ldb_errstring(gp_ctx->ldb_ctx)));
762 talloc_free(mem_ctx);
763 return NT_STATUS_UNSUCCESSFUL;
766 if (result->count != 1) {
767 talloc_free(mem_ctx);
768 return NT_STATUS_NOT_FOUND;
771 *inheritance = ldb_msg_find_attr_as_uint(result->msgs[0], "gPOptions", 0);
773 talloc_free(mem_ctx);
777 NTSTATUS gp_set_inheritance(struct gp_context *gp_ctx, const char *dn_str, enum gpo_inheritance inheritance)
779 char *inheritance_string;
780 struct ldb_message *msg;
783 msg = ldb_msg_new(gp_ctx);
784 NT_STATUS_HAVE_NO_MEMORY(msg);
786 msg->dn = ldb_dn_new(msg, gp_ctx->ldb_ctx, dn_str);
788 inheritance_string = talloc_asprintf(msg, "%d", inheritance);
789 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(inheritance_string, msg);
791 rv = ldb_msg_add_string(msg, "gPOptions", inheritance_string);
793 DEBUG(0, ("LDB message add string failed: %s\n", ldb_strerror(rv)));
795 return NT_STATUS_UNSUCCESSFUL;
797 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
799 rv = ldb_modify(gp_ctx->ldb_ctx, msg);
801 DEBUG(0, ("LDB modify failed: %s\n", ldb_strerror(rv)));
803 return NT_STATUS_UNSUCCESSFUL;
810 NTSTATUS gp_create_ldap_gpo(struct gp_context *gp_ctx, struct gp_object *gpo)
812 struct ldb_message *msg;
815 char *dn_str, *flags_str, *version_str;
816 struct ldb_dn *child_dn, *gpo_dn;
818 mem_ctx = talloc_new(gp_ctx);
819 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
822 msg = ldb_msg_new(mem_ctx);
823 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
825 msg->dn = ldb_get_default_basedn(gp_ctx->ldb_ctx);
826 dn_str = talloc_asprintf(mem_ctx, "CN=%s,CN=Policies,CN=System", gpo->name);
827 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(dn_str, mem_ctx);
829 child_dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
830 rv = ldb_dn_add_child(msg->dn, child_dn);
831 if (!rv) goto ldb_msg_add_error;
833 flags_str = talloc_asprintf(mem_ctx, "%d", gpo->flags);
834 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(flags_str, mem_ctx);
836 version_str = talloc_asprintf(mem_ctx, "%d", gpo->version);
837 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(version_str, mem_ctx);
839 rv = ldb_msg_add_string(msg, "objectClass", "top");
840 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
841 rv = ldb_msg_add_string(msg, "objectClass", "container");
842 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
843 rv = ldb_msg_add_string(msg, "objectClass", "groupPolicyContainer");
844 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
845 rv = ldb_msg_add_string(msg, "displayName", gpo->display_name);
846 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
847 rv = ldb_msg_add_string(msg, "name", gpo->name);
848 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
849 rv = ldb_msg_add_string(msg, "CN", gpo->name);
850 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
851 rv = ldb_msg_add_string(msg, "gPCFileSysPath", gpo->file_sys_path);
852 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
853 rv = ldb_msg_add_string(msg, "flags", flags_str);
854 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
855 rv = ldb_msg_add_string(msg, "versionNumber", version_str);
856 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
857 rv = ldb_msg_add_string(msg, "showInAdvancedViewOnly", "TRUE");
858 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
859 rv = ldb_msg_add_string(msg, "gpCFunctionalityVersion", "2");
860 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
862 rv = ldb_add(gp_ctx->ldb_ctx, msg);
863 if (rv != LDB_SUCCESS) {
864 DEBUG(0, ("LDB add error: %s\n", ldb_errstring(gp_ctx->ldb_ctx)));
865 talloc_free(mem_ctx);
866 return NT_STATUS_UNSUCCESSFUL;
872 msg = ldb_msg_new(mem_ctx);
873 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
875 msg->dn = ldb_dn_copy(mem_ctx, gpo_dn);
876 child_dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, "CN=User");
877 rv = ldb_dn_add_child(msg->dn, child_dn);
878 if (!rv) goto ldb_msg_add_error;
880 rv = ldb_msg_add_string(msg, "objectClass", "top");
881 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
882 rv = ldb_msg_add_string(msg, "objectClass", "container");
883 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
884 rv = ldb_msg_add_string(msg, "showInAdvancedViewOnly", "TRUE");
885 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
886 rv = ldb_msg_add_string(msg, "CN", "User");
887 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
888 rv = ldb_msg_add_string(msg, "name", "User");
889 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
891 rv = ldb_add(gp_ctx->ldb_ctx, msg);
892 if (rv != LDB_SUCCESS) {
893 DEBUG(0, ("LDB add error: %s\n", ldb_errstring(gp_ctx->ldb_ctx)));
894 talloc_free(mem_ctx);
895 return NT_STATUS_UNSUCCESSFUL;
899 msg = ldb_msg_new(mem_ctx);
900 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
902 msg->dn = ldb_dn_copy(mem_ctx, gpo_dn);
903 child_dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, "CN=Machine");
904 rv = ldb_dn_add_child(msg->dn, child_dn);
905 if (!rv) goto ldb_msg_add_error;
907 rv = ldb_msg_add_string(msg, "objectClass", "top");
908 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
909 rv = ldb_msg_add_string(msg, "objectClass", "container");
910 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
911 rv = ldb_msg_add_string(msg, "showInAdvancedViewOnly", "TRUE");
912 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
913 rv = ldb_msg_add_string(msg, "CN", "Machine");
914 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
915 rv = ldb_msg_add_string(msg, "name", "Machine");
916 if (rv != LDB_SUCCESS) goto ldb_msg_add_error;
918 rv = ldb_add(gp_ctx->ldb_ctx, msg);
919 if (rv != LDB_SUCCESS) {
920 DEBUG(0, ("LDB add error: %s\n", ldb_errstring(gp_ctx->ldb_ctx)));
921 talloc_free(mem_ctx);
922 return NT_STATUS_UNSUCCESSFUL;
925 gpo->dn = talloc_strdup(gpo, ldb_dn_get_linearized(gpo_dn));
926 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(gpo->dn, mem_ctx);
928 talloc_free(mem_ctx);
932 DEBUG(0, ("LDB Error adding element to ldb message\n"));
933 talloc_free(mem_ctx);
934 return NT_STATUS_UNSUCCESSFUL;
937 NTSTATUS gp_set_ads_acl (struct gp_context *gp_ctx, const char *dn_str, const struct security_descriptor *sd)
941 enum ndr_err_code ndr_err;
942 struct ldb_message *msg;
945 /* Create a forked memory context to clean up easily */
946 mem_ctx = talloc_new(gp_ctx);
947 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
949 /* Push the security descriptor through the NDR library */
950 ndr_err = ndr_push_struct_blob(&data,
953 (ndr_push_flags_fn_t)ndr_push_security_descriptor);
954 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
955 return ndr_map_error2ntstatus(ndr_err);
959 /* Create a LDB message */
960 msg = ldb_msg_new(mem_ctx);
961 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
963 msg->dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, dn_str);
965 rv = ldb_msg_add_value(msg, "nTSecurityDescriptor", &data, NULL);
967 DEBUG(0, ("LDB message add element failed for adding nTSecurityDescriptor: %s\n", ldb_strerror(rv)));
968 talloc_free(mem_ctx);
969 return NT_STATUS_UNSUCCESSFUL;
971 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
973 rv = ldb_modify(gp_ctx->ldb_ctx, msg);
975 DEBUG(0, ("LDB modify failed: %s\n", ldb_strerror(rv)));
976 talloc_free(mem_ctx);
977 return NT_STATUS_UNSUCCESSFUL;
980 talloc_free(mem_ctx);
984 /* This function sets flags, version and displayName on a GPO */
985 NTSTATUS gp_set_ldap_gpo(struct gp_context *gp_ctx, struct gp_object *gpo)
989 struct ldb_message *msg;
990 char *version_str, *flags_str;
992 mem_ctx = talloc_new(gp_ctx);
994 msg = ldb_msg_new(mem_ctx);
995 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
997 msg->dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, gpo->dn);
999 version_str = talloc_asprintf(mem_ctx, "%d", gpo->version);
1000 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
1002 flags_str = talloc_asprintf(mem_ctx, "%d", gpo->flags);
1003 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, mem_ctx);
1005 rv = ldb_msg_add_string(msg, "flags", flags_str);
1007 DEBUG(0, ("LDB message add string failed for flags: %s\n", ldb_strerror(rv)));
1008 talloc_free(mem_ctx);
1009 return NT_STATUS_UNSUCCESSFUL;
1011 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
1013 rv = ldb_msg_add_string(msg, "version", version_str);
1015 DEBUG(0, ("LDB message add string failed for version: %s\n", ldb_strerror(rv)));
1016 talloc_free(mem_ctx);
1017 return NT_STATUS_UNSUCCESSFUL;
1019 msg->elements[1].flags = LDB_FLAG_MOD_REPLACE;
1021 rv = ldb_msg_add_string(msg, "displayName", gpo->display_name);
1023 DEBUG(0, ("LDB message add string failed for displayName: %s\n", ldb_strerror(rv)));
1024 talloc_free(mem_ctx);
1025 return NT_STATUS_UNSUCCESSFUL;
1027 msg->elements[2].flags = LDB_FLAG_MOD_REPLACE;
1029 rv = ldb_modify(gp_ctx->ldb_ctx, msg);
1031 DEBUG(0, ("LDB modify failed: %s\n", ldb_strerror(rv)));
1032 talloc_free(mem_ctx);
1033 return NT_STATUS_UNSUCCESSFUL;
1036 talloc_free(mem_ctx);
1037 return NT_STATUS_OK;