external/bsd/openldap/dist/libraries/libldap/getentry.c

   1 /* $OpenLDAP: pkg/ldap/libraries/libldap/getentry.c,v 1.28.2.3 2008/02/11 23:26:41 kurt Exp $ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2008 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
  16  * All rights reserved.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22 #include <ac/stdlib.h>
  23
  24 #include <ac/socket.h>
  25 #include <ac/string.h>
  26 #include <ac/time.h>
  27
  28 #include "ldap-int.h"
  29
  30 /* ARGSUSED */
  31 LDAPMessage *
  32 ldap_first_entry( LDAP *ld, LDAPMessage *chain )
  33 {
  34         assert( ld != NULL );
  35         assert( LDAP_VALID( ld ) );
  36         assert( chain != NULL );
  37
  38         return chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY
  39                 ? chain
  40                 : ldap_next_entry( ld, chain );
  41 }
  42
  43 LDAPMessage *
  44 ldap_next_entry( LDAP *ld, LDAPMessage *entry )
  45 {
  46         assert( ld != NULL );
  47         assert( LDAP_VALID( ld ) );
  48         assert( entry != NULL );
  49
  50         for(
  51                 entry = entry->lm_chain;
  52                 entry != NULL;
  53                 entry = entry->lm_chain )
  54         {
  55                 if( entry->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  56                         return( entry );
  57                 }
  58         }
  59
  60         return( NULL );
  61 }
  62
  63 int
  64 ldap_count_entries( LDAP *ld, LDAPMessage *chain )
  65 {
  66         int     i;
  67
  68         assert( ld != NULL );
  69         assert( LDAP_VALID( ld ) );
  70
  71         for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
  72                 if( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  73                         i++;
  74                 }
  75         }
  76
  77         return( i );
  78 }
  79
  80 int
  81 ldap_get_entry_controls(
  82         LDAP *ld,
  83         LDAPMessage *entry,
  84         LDAPControl ***sctrls )
  85 {
  86         int rc;
  87         BerElement be;
  88
  89         assert( ld != NULL );
  90         assert( LDAP_VALID( ld ) );
  91         assert( entry != NULL );
  92         assert( sctrls != NULL );
  93
  94         if ( entry->lm_msgtype != LDAP_RES_SEARCH_ENTRY ) {
  95                 return LDAP_PARAM_ERROR;
  96         }
  97
  98         /* make a local copy of the BerElement */
  99         AC_MEMCPY(&be, entry->lm_ber, sizeof(be));
 100
 101         if ( ber_scanf( &be, "{xx" /*}*/ ) == LBER_ERROR ) {
 102                 rc = LDAP_DECODING_ERROR;
 103                 goto cleanup_and_return;
 104         }
 105
 106         rc = ldap_pvt_get_controls( &be, sctrls );
 107
 108 cleanup_and_return:
 109         if( rc != LDAP_SUCCESS ) {
 110                 ld->ld_errno = rc;
 111
 112                 if( ld->ld_matched != NULL ) {
 113                         LDAP_FREE( ld->ld_matched );
 114                         ld->ld_matched = NULL;
 115                 }
 116
 117                 if( ld->ld_error != NULL ) {
 118                         LDAP_FREE( ld->ld_error );
 119                         ld->ld_error = NULL;
 120                 }
 121         }
 122
 123         return rc;
 124 }