/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
* Copyright 1999-2004 The OpenLDAP Foundation.
* Portions Copyright 1999 Dmitry Kovalev.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* .
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Dmitry Kovalev for inclusion
* by OpenLDAP Software.
*/
#include "portable.h"
#ifdef SLAPD_SQL
#include
#include
#include "ac/string.h"
#include "slap.h"
#include "ldap_pvt.h"
#include "proto-sql.h"
int
backsql_delete( Operation *op, SlapReply *rs )
{
backsql_info *bi = (backsql_info*)op->o_bd->be_private;
SQLHDBC dbh;
SQLHSTMT sth;
RETCODE rc;
backsql_oc_map_rec *oc = NULL;
backsql_entryID e_id;
Entry e;
/* first parameter no */
SQLUSMALLINT pno;
Debug( LDAP_DEBUG_TRACE, "==>backsql_delete(): deleting entry \"%s\"\n",
op->o_req_ndn.bv_val, 0, 0 );
dnParent( &op->o_req_dn, &e.e_name );
dnParent( &op->o_req_ndn, &e.e_nname );
e.e_attrs = NULL;
/* check parent for "children" acl */
if ( !access_allowed( op, &e, slap_schema.si_ad_children,
NULL, ACL_WRITE, NULL ) ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"no write access to parent\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto done;
}
rs->sr_err = backsql_get_db_conn( op, &dbh );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"could not get connection handle - exiting\n",
0, 0, 0 );
rs->sr_text = ( rs->sr_err == LDAP_OTHER )
? "SQL-backend error" : NULL;
goto done;
}
rs->sr_err = backsql_dn2id( bi, &e_id, dbh, &op->o_req_ndn );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"could not lookup entry id\n", 0, 0, 0 );
goto done;
}
rs->sr_err = backsql_has_children( bi, dbh, &op->o_req_ndn );
switch ( rs->sr_err ) {
case LDAP_COMPARE_TRUE:
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"entry \"%s\" has children\n",
op->o_req_dn.bv_val, 0, 0 );
rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
rs->sr_text = "subtree delete not supported";
goto done;
case LDAP_COMPARE_FALSE:
break;
default:
goto done;
}
oc = backsql_id2oc( bi, e_id.oc_id );
if ( oc == NULL ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"cannot determine objectclass of entry -- aborting\n",
0, 0, 0 );
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
rs->sr_text = "operation not permitted within namingContext";
goto done;
}
if ( oc->bom_delete_proc == NULL ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"delete procedure is not defined "
"for this objectclass - aborting\n", 0, 0, 0 );
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
rs->sr_text = "operation not permitted within namingContext";
goto done;
}
SQLAllocStmt( dbh, &sth );
rc = backsql_Prepare( dbh, &sth, oc->bom_delete_proc, 0 );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
" backsql_delete(): "
"error preparing delete query\n",
0, 0, 0 );
backsql_PrintErrors( bi->db_env, dbh, sth, rc );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "SQL-backend error";
goto done;
}
if ( BACKSQL_IS_DEL( oc->bom_expect_return ) ) {
pno = 1;
SQLBindParameter( sth, 1, SQL_PARAM_OUTPUT, SQL_C_ULONG,
SQL_INTEGER, 0, 0, &rc, 0, 0 );
} else {
pno = 0;
}
SQLBindParameter( sth, pno + 1, SQL_PARAM_INPUT,
SQL_C_ULONG, SQL_INTEGER, 0, 0, &e_id.keyval, 0, 0 );
rc = SQLExecute( sth );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"delete_proc execution failed\n", 0, 0, 0 );
backsql_PrintErrors( bi->db_env, dbh, sth, rc );
SQLFreeStmt( sth, SQL_DROP );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "SQL-backend error";
goto done;
}
#ifndef BACKSQL_REALLOC_STMT
SQLFreeStmt( sth, SQL_RESET_PARAMS );
#else /* BACKSQL_REALLOC_STMT */
SQLFreeStmt( sth, SQL_DROP );
SQLAllocStmt( dbh, &sth );
#endif /* BACKSQL_REALLOC_STMT */
rc = backsql_Prepare( dbh, &sth, bi->delentry_query, 0 );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
" backsql_delete(): "
"error preparing ldap_entries delete query\n",
0, 0, 0 );
backsql_PrintErrors( bi->db_env, dbh, sth, rc );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "SQL-backend error";
goto done;
}
SQLBindParameter( sth, 1, SQL_PARAM_INPUT, SQL_C_ULONG, SQL_INTEGER,
0, 0, &e_id.id, 0, 0 );
rc = SQLExecute( sth );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
"failed to delete record from ldap_entries\n",
0, 0, 0 );
backsql_PrintErrors( bi->db_env, dbh, sth, rc );
SQLFreeStmt( sth, SQL_DROP );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "SQL-backend error";
goto done;
}
/*
* Commit only if all operations succeed
*
* FIXME: backsql_add() does not fail if add operations
* are not available for some attributes, or if
* a multiple value add actually results in a replace,
* or if a single operation on an attribute fails
* for any reason
*/
SQLTransact( SQL_NULL_HENV, dbh,
op->o_noop ? SQL_ROLLBACK : SQL_COMMIT );
rs->sr_err = LDAP_SUCCESS;
done:;
send_ldap_result( op, rs );
Debug( LDAP_DEBUG_TRACE, "<==backsql_delete()\n", 0, 0, 0 );
return ( ( rs->sr_err == LDAP_SUCCESS ) ? op->o_noop : 1 );
}
#endif /* SLAPD_SQL */