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Viewing changes to servers/slapd/back-bdb/dn2entry.c

  • Committer: Bazaar Package Importer
  • Author(s): Mathias Gug
  • Date: 2008-07-10 14:45:49 UTC
  • Revision ID: james.westby@ubuntu.com-20080710144549-wck73med0e72gfyo
Tags: upstream-2.4.10
Import upstream version 2.4.10

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servers/slapd/back-bdb/dn2entry.c
 
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/* dn2entry.c - routines to deal with the dn2id / id2entry glue */
 
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/* $OpenLDAP: pkg/ldap/servers/slapd/back-bdb/dn2entry.c,v 1.28.2.7 2008/02/11 23:26:45 kurt Exp $ */
 
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 
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 *
 
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 * Copyright 2000-2008 The OpenLDAP Foundation.
 
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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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#include "portable.h"
 
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#include <stdio.h>
 
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#include <ac/string.h>
 
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#include "back-bdb.h"
 
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/*
 
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 * dn2entry - look up dn in the cache/indexes and return the corresponding
 
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 * entry. If the requested DN is not found and matched is TRUE, return info
 
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 * for the closest ancestor of the DN. Otherwise e is NULL.
 
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 */
 
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int
 
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bdb_dn2entry(
 
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        Operation *op,
 
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        DB_TXN *tid,
 
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        struct berval *dn,
 
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        EntryInfo **e,
 
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        int matched,
 
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        BDB_LOCKER locker,
 
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        DB_LOCK *lock )
 
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{
 
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        EntryInfo *ei = NULL;
 
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        int rc, rc2;
 
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        Debug(LDAP_DEBUG_TRACE, "bdb_dn2entry(\"%s\")\n",
 
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                dn->bv_val, 0, 0 );
 
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        *e = NULL;
 
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        rc = bdb_cache_find_ndn( op, locker, dn, &ei );
 
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        if ( rc ) {
 
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                if ( matched && rc == DB_NOTFOUND ) {
 
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                        /* Set the return value, whether we have its entry
 
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                         * or not.
 
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                         */
 
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                        *e = ei;
 
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                        if ( ei && ei->bei_id ) {
 
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                                rc2 = bdb_cache_find_id( op, tid, ei->bei_id,
 
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                                        &ei, ID_LOCKED, locker, lock );
 
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                                if ( rc2 ) rc = rc2;
 
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                        } else if ( ei ) {
 
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                                bdb_cache_entryinfo_unlock( ei );
 
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                                memset( lock, 0, sizeof( *lock ));
 
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                                lock->mode = DB_LOCK_NG;
 
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                        }
 
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                } else if ( ei ) {
 
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                        bdb_cache_entryinfo_unlock( ei );
 
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                }
 
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        } else {
 
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                rc = bdb_cache_find_id( op, tid, ei->bei_id, &ei, ID_LOCKED,
 
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                        locker, lock );
 
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                if ( rc == 0 ) {
 
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                        *e = ei;
 
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                } else if ( matched && rc == DB_NOTFOUND ) {
 
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                        /* always return EntryInfo */
 
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                        if ( ei->bei_parent ) {
 
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                                ei = ei->bei_parent;
 
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                                rc2 = bdb_cache_find_id( op, tid, ei->bei_id, &ei, 0,
 
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                                        locker, lock );
 
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                                if ( rc2 ) rc = rc2;
 
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                        }
 
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                        *e = ei;
 
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                }
 
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        }
 
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        return rc;
 
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}