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/*
ldb database library utility
Copyright (C) Matthieu Patou 2009
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Name: ldb
*
* Description: Common function used by ldb_add/ldb_modify/ldb_delete
*
* Author: Matthieu Patou
*/
#include "ldb.h"
#include "ldb_module.h"
#include "ldbutil.h"
/* autostarts a transacion if none active */
static int ldb_do_autotransaction(struct ldb_context *ldb,
struct ldb_request *req)
{
int ret;
ret = ldb_transaction_start(ldb);
if (ret != LDB_SUCCESS) {
return ret;
}
ret = ldb_request(ldb, req);
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
if (ret == LDB_SUCCESS) {
return ldb_transaction_commit(ldb);
}
ldb_transaction_cancel(ldb);
if (ldb_errstring(ldb) == NULL) {
/* no error string was setup by the backend */
ldb_asprintf_errstring(ldb, "%s (%d)", ldb_strerror(ret), ret);
}
return ret;
}
/*
Same as ldb_add but accept control
*/
int ldb_add_ctrl(struct ldb_context *ldb,
const struct ldb_message *message,
struct ldb_control **controls)
{
struct ldb_request *req;
int ret;
ret = ldb_msg_sanity_check(ldb, message);
if (ret != LDB_SUCCESS) {
return ret;
}
ret = ldb_build_add_req(&req, ldb, ldb,
message,
controls,
NULL,
ldb_op_default_callback,
NULL);
if (ret != LDB_SUCCESS) return ret;
/* do request and autostart a transaction */
ret = ldb_do_autotransaction(ldb, req);
talloc_free(req);
return ret;
}
/*
same as ldb_delete but accept control
*/
int ldb_delete_ctrl(struct ldb_context *ldb, struct ldb_dn *dn,
struct ldb_control **controls)
{
struct ldb_request *req;
int ret;
ret = ldb_build_del_req(&req, ldb, ldb,
dn,
controls,
NULL,
ldb_op_default_callback,
NULL);
if (ret != LDB_SUCCESS) return ret;
/* do request and autostart a transaction */
ret = ldb_do_autotransaction(ldb, req);
talloc_free(req);
return ret;
}
/*
same as ldb_modify, but accepts controls
*/
int ldb_modify_ctrl(struct ldb_context *ldb,
const struct ldb_message *message,
struct ldb_control **controls)
{
struct ldb_request *req;
int ret;
ret = ldb_msg_sanity_check(ldb, message);
if (ret != LDB_SUCCESS) {
return ret;
}
ret = ldb_build_mod_req(&req, ldb, ldb,
message,
controls,
NULL,
ldb_op_default_callback,
NULL);
if (ret != LDB_SUCCESS) return ret;
/* do request and autostart a transaction */
ret = ldb_do_autotransaction(ldb, req);
talloc_free(req);
return ret;
}
/*
ldb_search with controls
*/
int ldb_search_ctrl(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
struct ldb_result **result, struct ldb_dn *base,
enum ldb_scope scope, const char * const *attrs,
struct ldb_control **controls,
const char *exp_fmt, ...)
{
struct ldb_request *req;
struct ldb_result *res;
char *expression;
va_list ap;
int ret;
expression = NULL;
*result = NULL;
req = NULL;
res = talloc_zero(mem_ctx, struct ldb_result);
if (!res) {
return LDB_ERR_OPERATIONS_ERROR;
}
if (exp_fmt) {
va_start(ap, exp_fmt);
expression = talloc_vasprintf(mem_ctx, exp_fmt, ap);
va_end(ap);
if (!expression) {
talloc_free(res);
return LDB_ERR_OPERATIONS_ERROR;
}
}
ret = ldb_build_search_req(&req, ldb, mem_ctx,
base?base:ldb_get_default_basedn(ldb),
scope,
expression,
attrs,
controls,
res,
ldb_search_default_callback,
NULL);
ldb_req_set_location(req, "ldb_search_ctrl");
if (ret != LDB_SUCCESS) goto done;
ret = ldb_request(ldb, req);
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
done:
if (ret != LDB_SUCCESS) {
talloc_free(res);
res = NULL;
}
talloc_free(expression);
talloc_free(req);
*result = res;
return ret;
}
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