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638 lines
15 KiB
C
638 lines
15 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1999-2015 The OpenLDAP Foundation.
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* Portions Copyright 1999 Dmitry Kovalev.
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* Portions Copyright 2002 Pierangelo Masarati.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Dmitry Kovalev for inclusion
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* by OpenLDAP Software. Additional significant contributors include
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* Pierangelo Masarati.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <sys/types.h>
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#include "ac/string.h"
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#include "slap.h"
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#include "proto-sql.h"
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typedef struct backsql_delete_attr_t {
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Operation *op;
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SlapReply *rs;
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SQLHDBC dbh;
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backsql_entryID *e_id;
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} backsql_delete_attr_t;
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static int
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backsql_delete_attr_f( void *v_at, void *v_bda )
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{
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backsql_at_map_rec *at = (backsql_at_map_rec *)v_at;
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backsql_delete_attr_t *bda = (backsql_delete_attr_t *)v_bda;
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int rc;
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rc = backsql_modify_delete_all_values( bda->op,
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bda->rs, bda->dbh, bda->e_id, at );
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if ( rc != LDAP_SUCCESS ) {
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return BACKSQL_AVL_STOP;
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}
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return BACKSQL_AVL_CONTINUE;
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}
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static int
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backsql_delete_all_attrs(
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Operation *op,
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SlapReply *rs,
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SQLHDBC dbh,
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backsql_entryID *eid )
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{
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backsql_delete_attr_t bda;
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int rc;
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bda.op = op;
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bda.rs = rs;
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bda.dbh = dbh;
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bda.e_id = eid;
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rc = avl_apply( eid->eid_oc->bom_attrs, backsql_delete_attr_f, &bda,
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BACKSQL_AVL_STOP, AVL_INORDER );
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if ( rc == BACKSQL_AVL_STOP ) {
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return rs->sr_err;
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}
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return LDAP_SUCCESS;
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}
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static int
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backsql_delete_int(
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Operation *op,
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SlapReply *rs,
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SQLHDBC dbh,
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SQLHSTMT *sthp,
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backsql_entryID *eid,
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Entry **ep )
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{
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backsql_info *bi = (backsql_info*)op->o_bd->be_private;
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SQLHSTMT sth = SQL_NULL_HSTMT;
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RETCODE rc;
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int prc = LDAP_SUCCESS;
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/* first parameter no */
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SQLUSMALLINT pno = 0;
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sth = *sthp;
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/* avl_apply ... */
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rs->sr_err = backsql_delete_all_attrs( op, rs, dbh, eid );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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goto done;
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}
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rc = backsql_Prepare( dbh, &sth, eid->eid_oc->bom_delete_proc, 0 );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error preparing delete query\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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*ep = NULL;
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goto done;
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}
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if ( BACKSQL_IS_DEL( eid->eid_oc->bom_expect_return ) ) {
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pno = 1;
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rc = backsql_BindParamInt( sth, 1, SQL_PARAM_OUTPUT, &prc );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error binding output parameter for objectClass %s\n",
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eid->eid_oc->bom_oc->soc_cname.bv_val, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh,
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sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_text = "SQL-backend error";
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rs->sr_err = LDAP_OTHER;
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*ep = NULL;
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goto done;
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}
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}
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rc = backsql_BindParamID( sth, pno + 1, SQL_PARAM_INPUT, &eid->eid_keyval );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error binding keyval parameter for objectClass %s\n",
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eid->eid_oc->bom_oc->soc_cname.bv_val, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh,
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sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_text = "SQL-backend error";
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rs->sr_err = LDAP_OTHER;
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*ep = NULL;
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goto done;
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}
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rc = SQLExecute( sth );
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if ( rc == SQL_SUCCESS && prc == LDAP_SUCCESS ) {
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rs->sr_err = LDAP_SUCCESS;
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} else {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"delete_proc execution failed (rc=%d, prc=%d)\n",
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rc, prc, 0 );
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if ( prc != LDAP_SUCCESS ) {
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/* SQL procedure executed fine
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* but returned an error */
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rs->sr_err = BACKSQL_SANITIZE_ERROR( prc );
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} else {
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backsql_PrintErrors( bi->sql_db_env, dbh,
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sth, rc );
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rs->sr_err = LDAP_OTHER;
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}
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SQLFreeStmt( sth, SQL_DROP );
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goto done;
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}
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SQLFreeStmt( sth, SQL_DROP );
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/* delete "auxiliary" objectClasses, if any... */
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rc = backsql_Prepare( dbh, &sth, bi->sql_delobjclasses_stmt, 0 );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error preparing ldap_entry_objclasses delete query\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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*ep = NULL;
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goto done;
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}
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rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT, &eid->eid_id );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error binding auxiliary objectClasses "
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"entry ID parameter for objectClass %s\n",
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eid->eid_oc->bom_oc->soc_cname.bv_val, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh,
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sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_text = "SQL-backend error";
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rs->sr_err = LDAP_OTHER;
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*ep = NULL;
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goto done;
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}
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rc = SQLExecute( sth );
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switch ( rc ) {
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case SQL_NO_DATA:
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/* apparently there were no "auxiliary" objectClasses
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* for this entry... */
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case SQL_SUCCESS:
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break;
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default:
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"failed to delete record from ldap_entry_objclasses\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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*ep = NULL;
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goto done;
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}
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SQLFreeStmt( sth, SQL_DROP );
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/* delete entry... */
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rc = backsql_Prepare( dbh, &sth, bi->sql_delentry_stmt, 0 );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error preparing ldap_entries delete query\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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*ep = NULL;
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goto done;
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}
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rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT, &eid->eid_id );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error binding entry ID parameter "
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"for objectClass %s\n",
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eid->eid_oc->bom_oc->soc_cname.bv_val, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh,
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sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_text = "SQL-backend error";
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rs->sr_err = LDAP_OTHER;
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*ep = NULL;
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goto done;
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}
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rc = SQLExecute( sth );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"failed to delete record from ldap_entries\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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*ep = NULL;
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goto done;
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}
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_err = LDAP_SUCCESS;
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*ep = NULL;
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done:;
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*sthp = sth;
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return rs->sr_err;
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}
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typedef struct backsql_tree_delete_t {
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Operation *btd_op;
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int btd_rc;
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backsql_entryID *btd_eid;
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} backsql_tree_delete_t;
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static int
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backsql_tree_delete_search_cb( Operation *op, SlapReply *rs )
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{
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if ( rs->sr_type == REP_SEARCH ) {
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backsql_tree_delete_t *btd;
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backsql_entryID *eid;
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btd = (backsql_tree_delete_t *)op->o_callback->sc_private;
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if ( !access_allowed( btd->btd_op, rs->sr_entry,
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slap_schema.si_ad_entry, NULL, ACL_WDEL, NULL )
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|| !access_allowed( btd->btd_op, rs->sr_entry,
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slap_schema.si_ad_children, NULL, ACL_WDEL, NULL ) )
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{
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btd->btd_rc = LDAP_INSUFFICIENT_ACCESS;
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return rs->sr_err = LDAP_UNAVAILABLE;
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}
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assert( rs->sr_entry != NULL );
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assert( rs->sr_entry->e_private != NULL );
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eid = (backsql_entryID *)rs->sr_entry->e_private;
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assert( eid->eid_oc != NULL );
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if ( eid->eid_oc == NULL || eid->eid_oc->bom_delete_proc == NULL ) {
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btd->btd_rc = LDAP_UNWILLING_TO_PERFORM;
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return rs->sr_err = LDAP_UNAVAILABLE;
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}
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eid = backsql_entryID_dup( eid, op->o_tmpmemctx );
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eid->eid_next = btd->btd_eid;
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btd->btd_eid = eid;
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}
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return 0;
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}
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static int
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backsql_tree_delete(
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Operation *op,
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SlapReply *rs,
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SQLHDBC dbh,
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SQLHSTMT *sthp )
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{
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Operation op2 = *op;
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slap_callback sc = { 0 };
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SlapReply rs2 = { REP_RESULT };
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backsql_tree_delete_t btd = { 0 };
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int rc;
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/*
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* - perform an internal subtree search as the rootdn
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* - for each entry
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* - check access
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* - check objectClass and delete method(s)
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* - for each entry
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* - delete
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* - if successful, commit
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*/
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op2.o_tag = LDAP_REQ_SEARCH;
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op2.o_protocol = LDAP_VERSION3;
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btd.btd_op = op;
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sc.sc_private = &btd;
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sc.sc_response = backsql_tree_delete_search_cb;
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op2.o_callback = ≻
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op2.o_dn = op->o_bd->be_rootdn;
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op2.o_ndn = op->o_bd->be_rootndn;
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op2.o_managedsait = SLAP_CONTROL_CRITICAL;
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op2.ors_scope = LDAP_SCOPE_SUBTREE;
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op2.ors_deref = LDAP_DEREF_NEVER;
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op2.ors_slimit = SLAP_NO_LIMIT;
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op2.ors_tlimit = SLAP_NO_LIMIT;
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op2.ors_filter = (Filter *)slap_filter_objectClass_pres;
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op2.ors_filterstr = *slap_filterstr_objectClass_pres;
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op2.ors_attrs = slap_anlist_all_attributes;
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op2.ors_attrsonly = 0;
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rc = op->o_bd->be_search( &op2, &rs2 );
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if ( rc != LDAP_SUCCESS ) {
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rc = rs->sr_err = btd.btd_rc;
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rs->sr_text = "subtree delete not possible";
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send_ldap_result( op, rs );
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goto clean;
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}
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for ( ; btd.btd_eid != NULL;
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btd.btd_eid = backsql_free_entryID( btd.btd_eid,
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1, op->o_tmpmemctx ) )
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{
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Entry *e = (void *)0xbad;
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rc = backsql_delete_int( op, rs, dbh, sthp, btd.btd_eid, &e );
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if ( rc != LDAP_SUCCESS ) {
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break;
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}
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}
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clean:;
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for ( ; btd.btd_eid != NULL;
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btd.btd_eid = backsql_free_entryID( btd.btd_eid,
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1, op->o_tmpmemctx ) )
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;
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return rc;
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}
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int
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backsql_delete( Operation *op, SlapReply *rs )
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{
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SQLHDBC dbh = SQL_NULL_HDBC;
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SQLHSTMT sth = SQL_NULL_HSTMT;
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backsql_oc_map_rec *oc = NULL;
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backsql_srch_info bsi = { 0 };
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backsql_entryID e_id = { 0 };
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Entry d = { 0 }, p = { 0 }, *e = NULL;
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struct berval pdn = BER_BVNULL;
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int manageDSAit = get_manageDSAit( op );
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Debug( LDAP_DEBUG_TRACE, "==>backsql_delete(): deleting entry \"%s\"\n",
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op->o_req_ndn.bv_val, 0, 0 );
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rs->sr_err = backsql_get_db_conn( op, &dbh );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"could not get connection handle - exiting\n",
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0, 0, 0 );
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rs->sr_text = ( rs->sr_err == LDAP_OTHER )
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? "SQL-backend error" : NULL;
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e = NULL;
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goto done;
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}
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/*
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* Get the entry
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*/
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bsi.bsi_e = &d;
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rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
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LDAP_SCOPE_BASE,
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(time_t)(-1), NULL, dbh, op, rs, slap_anlist_no_attrs,
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( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
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switch ( rs->sr_err ) {
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case LDAP_SUCCESS:
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break;
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case LDAP_REFERRAL:
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if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
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dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
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{
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rs->sr_err = LDAP_SUCCESS;
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rs->sr_text = NULL;
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rs->sr_matched = NULL;
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if ( rs->sr_ref ) {
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ber_bvarray_free( rs->sr_ref );
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rs->sr_ref = NULL;
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}
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break;
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}
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e = &d;
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/* fallthru */
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default:
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Debug( LDAP_DEBUG_TRACE, "backsql_delete(): "
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"could not retrieve deleteDN ID - no such entry\n",
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0, 0, 0 );
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if ( !BER_BVISNULL( &d.e_nname ) ) {
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/* FIXME: should always be true! */
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e = &d;
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} else {
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e = NULL;
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}
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goto done;
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}
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if ( get_assert( op ) &&
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( test_filter( op, &d, get_assertion( op ) )
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!= LDAP_COMPARE_TRUE ) )
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{
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rs->sr_err = LDAP_ASSERTION_FAILED;
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e = &d;
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goto done;
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}
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if ( !access_allowed( op, &d, slap_schema.si_ad_entry,
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NULL, ACL_WDEL, NULL ) )
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{
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"no write access to entry\n",
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0, 0, 0 );
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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e = &d;
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goto done;
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}
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rs->sr_err = backsql_has_children( op, dbh, &op->o_req_ndn );
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switch ( rs->sr_err ) {
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case LDAP_COMPARE_FALSE:
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rs->sr_err = LDAP_SUCCESS;
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break;
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case LDAP_COMPARE_TRUE:
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#ifdef SLAP_CONTROL_X_TREE_DELETE
|
|
if ( get_treeDelete( op ) ) {
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
break;
|
|
}
|
|
#endif /* SLAP_CONTROL_X_TREE_DELETE */
|
|
|
|
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 = "subordinate objects must be deleted first";
|
|
/* fallthru */
|
|
|
|
default:
|
|
e = &d;
|
|
goto done;
|
|
}
|
|
|
|
assert( bsi.bsi_base_id.eid_oc != NULL );
|
|
oc = bsi.bsi_base_id.eid_oc;
|
|
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";
|
|
e = NULL;
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Get the parent
|
|
*/
|
|
e_id = bsi.bsi_base_id;
|
|
memset( &bsi.bsi_base_id, 0, sizeof( bsi.bsi_base_id ) );
|
|
if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
|
|
dnParent( &op->o_req_ndn, &pdn );
|
|
bsi.bsi_e = &p;
|
|
rs->sr_err = backsql_init_search( &bsi, &pdn,
|
|
LDAP_SCOPE_BASE,
|
|
(time_t)(-1), NULL, dbh, op, rs,
|
|
slap_anlist_no_attrs,
|
|
BACKSQL_ISF_GET_ENTRY );
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_TRACE, "backsql_delete(): "
|
|
"could not retrieve deleteDN ID "
|
|
"- no such entry\n",
|
|
0, 0, 0 );
|
|
e = &p;
|
|
goto done;
|
|
}
|
|
|
|
(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
|
|
|
|
/* check parent for "children" acl */
|
|
if ( !access_allowed( op, &p, slap_schema.si_ad_children,
|
|
NULL, ACL_WDEL, NULL ) )
|
|
{
|
|
Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
|
|
"no write access to parent\n",
|
|
0, 0, 0 );
|
|
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
|
|
e = &p;
|
|
goto done;
|
|
|
|
}
|
|
}
|
|
|
|
e = &d;
|
|
#ifdef SLAP_CONTROL_X_TREE_DELETE
|
|
if ( get_treeDelete( op ) ) {
|
|
backsql_tree_delete( op, rs, dbh, &sth );
|
|
if ( rs->sr_err == LDAP_OTHER || rs->sr_err == LDAP_SUCCESS )
|
|
{
|
|
e = NULL;
|
|
}
|
|
|
|
} else
|
|
#endif /* SLAP_CONTROL_X_TREE_DELETE */
|
|
{
|
|
backsql_delete_int( op, rs, dbh, &sth, &e_id, &e );
|
|
}
|
|
|
|
/*
|
|
* Commit only if all operations succeed
|
|
*/
|
|
if ( sth != SQL_NULL_HSTMT ) {
|
|
SQLUSMALLINT CompletionType = SQL_ROLLBACK;
|
|
|
|
if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
|
|
assert( e == NULL );
|
|
CompletionType = SQL_COMMIT;
|
|
}
|
|
|
|
SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
|
|
}
|
|
|
|
done:;
|
|
if ( e != NULL ) {
|
|
if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
|
|
ACL_DISCLOSE, NULL ) )
|
|
{
|
|
rs->sr_err = LDAP_NO_SUCH_OBJECT;
|
|
rs->sr_text = NULL;
|
|
rs->sr_matched = NULL;
|
|
if ( rs->sr_ref ) {
|
|
ber_bvarray_free( rs->sr_ref );
|
|
rs->sr_ref = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
|
|
rs->sr_err = LDAP_X_NO_OPERATION;
|
|
}
|
|
|
|
send_ldap_result( op, rs );
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "<==backsql_delete()\n", 0, 0, 0 );
|
|
|
|
if ( !BER_BVISNULL( &e_id.eid_ndn ) ) {
|
|
(void)backsql_free_entryID( &e_id, 0, op->o_tmpmemctx );
|
|
}
|
|
|
|
if ( !BER_BVISNULL( &d.e_nname ) ) {
|
|
backsql_entry_clean( op, &d );
|
|
}
|
|
|
|
if ( !BER_BVISNULL( &p.e_nname ) ) {
|
|
backsql_entry_clean( op, &p );
|
|
}
|
|
|
|
if ( rs->sr_ref ) {
|
|
ber_bvarray_free( rs->sr_ref );
|
|
rs->sr_ref = NULL;
|
|
}
|
|
|
|
return rs->sr_err;
|
|
}
|
|
|