openldap/servers/slapd/back-mdb/dn2entry.c

80 lines
1.9 KiB
C

/* dn2entry.c - routines to deal with the dn2id / id2entry glue */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2019 The OpenLDAP Foundation.
* 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
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "back-mdb.h"
/*
* dn2entry - look up dn in the cache/indexes and return the corresponding
* entry. If the requested DN is not found and matched is TRUE, return info
* for the closest ancestor of the DN. Otherwise e is NULL.
*/
int
mdb_dn2entry(
Operation *op,
MDB_txn *tid,
MDB_cursor *m2,
struct berval *dn,
Entry **e,
ID *nsubs,
int matched )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
int rc, rc2;
ID id = NOID;
struct berval mbv, nmbv;
MDB_cursor *mc;
Debug(LDAP_DEBUG_TRACE, "mdb_dn2entry(\"%s\")\n",
dn->bv_val ? dn->bv_val : "" );
*e = NULL;
rc = mdb_dn2id( op, tid, m2, dn, &id, nsubs, &mbv, &nmbv );
if ( rc ) {
if ( matched ) {
rc2 = mdb_cursor_open( tid, mdb->mi_id2entry, &mc );
if ( rc2 == MDB_SUCCESS ) {
rc2 = mdb_id2entry( op, mc, id, e );
mdb_cursor_close( mc );
}
}
} else {
rc = mdb_cursor_open( tid, mdb->mi_id2entry, &mc );
if ( rc == MDB_SUCCESS ) {
rc = mdb_id2entry( op, mc, id, e );
mdb_cursor_close(mc);
}
}
if ( *e ) {
(*e)->e_name = mbv;
if ( rc == MDB_SUCCESS )
ber_dupbv_x( &(*e)->e_nname, dn, op->o_tmpmemctx );
else
ber_dupbv_x( &(*e)->e_nname, &nmbv, op->o_tmpmemctx );
} else {
op->o_tmpfree( mbv.bv_val, op->o_tmpmemctx );
}
return rc;
}