git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/dn2entry.c

   1 /* dn2entry.c - routines to deal with the dn2id / id2entry glue */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12
  13 #include "back-bdb.h"
  14
  15 /*
  16  * dn2entry - look up dn in the cache/indexes and return the corresponding
  17  * entry. If the requested DN is not found and matched is TRUE, return info
  18  * for the closest ancestor of the DN. Otherwise e is NULL.
  19  */
  20
  21 int
  22 bdb_dn2entry(
  23         Operation *op,
  24         DB_TXN *tid,
  25         struct berval *dn,
  26         EntryInfo **e,
  27         int matched,
  28         u_int32_t locker,
  29         DB_LOCK *lock )
  30 {
  31         EntryInfo *ei = NULL;
  32         int rc;
  33
  34 #ifdef NEW_LOGGING
  35         LDAP_LOG ( CACHE, ARGS, "bdb_dn2entry(\"%s\")\n", dn->bv_val, 0, 0 );
  36 #else
  37         Debug(LDAP_DEBUG_TRACE, "bdb_dn2entry(\"%s\")\n",
  38                 dn->bv_val, 0, 0 );
  39 #endif
  40
  41         *e = NULL;
  42
  43         rc = bdb_cache_find_ndn( op, tid, dn, &ei );
  44         if ( rc ) {
  45                 if ( matched && rc == DB_NOTFOUND ) {
  46                         /* Set the return value, whether we have its entry
  47                          * or not.
  48                          */
  49                         *e = ei;
  50                         if ( ei && ei->bei_id )
  51                                 bdb_cache_find_id( op, tid, ei->bei_id,
  52                                         &ei, 1, locker, lock );
  53                         else if ( ei )
  54                                 bdb_cache_entryinfo_unlock( ei );
  55                 } else if ( ei ) {
  56                         bdb_cache_entryinfo_unlock( ei );
  57                 }
  58         } else {
  59                 rc = bdb_cache_find_id( op, tid, ei->bei_id, &ei, 1,
  60                         locker, lock );
  61                 if ( rc == 0 ) {
  62                         *e = ei;
  63                 } else if ( matched && rc == DB_NOTFOUND ) {
  64                         /* always return EntryInfo */
  65                         ei = ei->bei_parent;
  66                         bdb_cache_find_id( op, tid, ei->bei_id, &ei, 1,
  67                                 locker, lock );
  68                         *e = ei;
  69                 }
  70         }
  71
  72         return rc;
  73 }