git.sur5r.net Git - openldap/blob - servers/slapd/back-ldbm/referral.c

   1 /* referral.c - LDBM backend referral handler */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 2000-2002 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
  12 #include <ac/string.h>
  13 #include <ac/socket.h>
  14
  15 #include "slap.h"
  16 #include "back-ldbm.h"
  17
  18 int
  19 ldbm_back_referrals(
  20     Backend     *be,
  21     Connection  *conn,
  22     Operation   *op,
  23     struct berval *dn,
  24     struct berval *ndn,
  25         const char **text )
  26 {
  27         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  28         int rc = LDAP_SUCCESS;
  29         Entry *e, *matched;
  30
  31         if( op->o_tag == LDAP_REQ_SEARCH ) {
  32                 /* let search take care of itself */
  33                 return rc;
  34         }
  35
  36         if( get_manageDSAit( op ) ) {
  37                 /* let op take care of DSA management */
  38                 return rc;
  39         }
  40
  41         /* get entry with reader lock */
  42         e = dn2entry_r( be, ndn, &matched );
  43         if ( e == NULL ) {
  44                 char *matched_dn = NULL;
  45                 BVarray refs = NULL;
  46
  47                 if ( matched != NULL ) {
  48                         matched_dn = ch_strdup( matched->e_dn );
  49
  50 #ifdef NEW_LOGGING
  51                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
  52                                 "ldbm_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
  53                                 op->o_tag, dn->bv_val, matched_dn ));
  54 #else
  55                         Debug( LDAP_DEBUG_TRACE,
  56                                 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
  57                                 op->o_tag, dn->bv_val, matched_dn );
  58 #endif
  59
  60                         if( is_entry_referral( matched ) ) {
  61                                 rc = LDAP_OTHER;
  62                                 refs = get_entry_referrals( be, conn, op, matched );
  63                         }
  64
  65                         cache_return_entry_r( &li->li_cache, matched );
  66
  67                 } else if ( default_referral != NULL ) {
  68                         rc = LDAP_OTHER;
  69                         refs = referral_rewrite( default_referral,
  70                                 NULL, dn, LDAP_SCOPE_DEFAULT );
  71                 }
  72
  73                 if( refs != NULL ) {
  74                         /* send referrals */
  75                         send_ldap_result( conn, op, rc = LDAP_REFERRAL,
  76                                 matched_dn, NULL, refs, NULL );
  77                         bvarray_free( refs );
  78
  79                 } else if ( rc != LDAP_SUCCESS ) {
  80                         send_ldap_result( conn, op, rc, matched_dn,
  81                                 matched_dn ? "bad referral object" : "bad default referral",
  82                                 NULL, NULL );
  83                 }
  84
  85                 if ( matched_dn ) free( matched_dn );
  86                 return rc;
  87         }
  88
  89         if ( is_entry_referral( e ) ) {
  90                 /* entry is a referral */
  91                 BVarray refs = get_entry_referrals( be, conn, op, e );
  92                 BVarray rrefs = referral_rewrite(
  93                         refs, &e->e_name, dn, LDAP_SCOPE_DEFAULT );
  94
  95 #ifdef NEW_LOGGING
  96                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
  97                         "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
  98                         op->o_tag, dn->bv_val, e->e_dn ));
  99 #else
 100                 Debug( LDAP_DEBUG_TRACE,
 101                         "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
 102                         op->o_tag, dn->bv_val, e->e_dn );
 103 #endif
 104
 105                 if( rrefs != NULL ) {
 106                         send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 107                                 e->e_dn, NULL, rrefs, NULL );
 108
 109                         bvarray_free( rrefs );
 110
 111                 } else {
 112                         send_ldap_result( conn, op, rc = LDAP_OTHER, e->e_dn,
 113                                 "bad referral object", NULL, NULL );
 114                 }
 115
 116                 if( refs != NULL ) bvarray_free( refs );
 117         }
 118
 119         cache_return_entry_r( &li->li_cache, e );
 120         return rc;
 121 }