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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"
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# include "ldb_module.h"
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# include "ldbutil.h"
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/* 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 ,
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struct ldb_control * * controls , bool do_transaction )
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{
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 */
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if ( do_transaction )
ret = ldb_do_autotransaction ( ldb , req ) ;
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talloc_free ( req ) ;
return ret ;
}
/*
same as ldb_delete but accept control
*/
int ldb_delete_ctrl ( struct ldb_context * ldb , struct ldb_dn * dn ,
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struct ldb_control * * controls , bool do_transaction )
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{
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 */
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if ( do_transaction )
ret = ldb_do_autotransaction ( ldb , req ) ;
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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 ,
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struct ldb_control * * controls , bool do_transaction )
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{
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 */
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if ( do_transaction )
ret = ldb_do_autotransaction ( ldb , req ) ;
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talloc_free ( req ) ;
return ret ;
}
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/*
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 ;
}