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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 2009
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "ldb.h"
#include "ldb_module.h"
#include "dsdb/samdb/ldb_modules/util.h"
#include "dsdb/samdb/samdb.h"
int dsdb_module_search_handle_flags(struct ldb_module *module, struct ldb_request *req, int dsdb_flags)
{
int ret;
if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
struct ldb_search_options_control *options;
/* Using the phantom root control allows us to search all partitions */
options = talloc(req, struct ldb_search_options_control);
if (options == NULL) {
ldb_module_oom(module);
return LDB_ERR_OPERATIONS_ERROR;
}
options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
ret = ldb_request_add_control(req,
LDB_CONTROL_SEARCH_OPTIONS_OID,
true, options);
if (ret != LDB_SUCCESS) {
return ret;
}
}
if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
}
if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, true, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
}
if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
if (!extended_ctrl) {
ldb_module_oom(module);
return LDB_ERR_OPERATIONS_ERROR;
}
extended_ctrl->type = 1;
ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
if (ret != LDB_SUCCESS) {
return ret;
}
}
if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
}
return LDB_SUCCESS;
}
/*
search for attrs on one DN, in the modules below
*/
int dsdb_module_search_dn(struct ldb_module *module,
TALLOC_CTX *mem_ctx,
struct ldb_result **_res,
struct ldb_dn *basedn,
const char * const *attrs,
int dsdb_flags)
{
int ret;
struct ldb_request *req;
TALLOC_CTX *tmp_ctx;
struct ldb_result *res;
tmp_ctx = talloc_new(mem_ctx);
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ldb_build_search_req(&req, ldb_module_get_ctx(module), tmp_ctx,
basedn,
LDB_SCOPE_BASE,
NULL,
attrs,
NULL,
res,
ldb_search_default_callback,
NULL);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
ret = dsdb_module_search_handle_flags(module, req, dsdb_flags);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
ret = ldb_next_request(module, req);
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
if (res->count != 1) {
/* we may be reading a DB that does not have the 'check base on search' option... */
ret = LDB_ERR_NO_SUCH_OBJECT;
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"dsdb_module_search_dn: did not find base dn %s (%d results)",
ldb_dn_get_linearized(basedn), res->count);
} else {
*_res = talloc_steal(mem_ctx, res);
}
talloc_free(tmp_ctx);
return ret;
}
/*
search for attrs in the modules below
*/
int dsdb_module_search(struct ldb_module *module,
TALLOC_CTX *mem_ctx,
struct ldb_result **_res,
struct ldb_dn *basedn, enum ldb_scope scope,
const char * const *attrs,
int dsdb_flags,
const char *expression)
{
int ret;
struct ldb_request *req;
TALLOC_CTX *tmp_ctx;
struct ldb_result *res;
tmp_ctx = talloc_new(mem_ctx);
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ldb_build_search_req(&req, ldb_module_get_ctx(module), tmp_ctx,
basedn,
scope,
expression,
attrs,
NULL,
res,
ldb_search_default_callback,
NULL);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
ret = dsdb_module_search_handle_flags(module, req, dsdb_flags);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
ret = ldb_next_request(module, req);
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
talloc_free(req);
if (ret == LDB_SUCCESS) {
*_res = talloc_steal(mem_ctx, res);
}
talloc_free(tmp_ctx);
return ret;
}
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