git.sur5r.net Git - openldap/blob - libraries/libldap/getentry.c

   1 /*
   2  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   3  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   4  */
   5 /*  Portions
   6  *  Copyright (c) 1990 Regents of the University of Michigan.
   7  *  All rights reserved.
   8  *
   9  *  getentry.c
  10  */
  11
  12 #include "portable.h"
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16
  17 #include <ac/ctype.h>
  18 #include <ac/socket.h>
  19 #include <ac/string.h>
  20 #include <ac/time.h>
  21
  22 #include "ldap-int.h"
  23
  24 /* ARGSUSED */
  25 LDAPMessage *
  26 ldap_first_entry( LDAP *ld, LDAPMessage *chain )
  27 {
  28         if( ld == NULL || chain == NULLMSG ) {
  29                 return NULLMSG;
  30         }
  31
  32         return chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY
  33                 ? chain
  34                 : ldap_next_entry( ld, chain );
  35 }
  36
  37 /* ARGSUSED */
  38 LDAPMessage *
  39 ldap_next_entry( LDAP *ld, LDAPMessage *entry )
  40 {
  41         if ( ld == NULL || entry == NULLMSG ) {
  42                 return NULLMSG;
  43         }
  44
  45         for (
  46                 entry = entry->lm_chain;
  47                 entry != NULLMSG;
  48                 entry = entry->lm_chain )
  49         {
  50                 if( entry->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  51                         return( entry );
  52                 }
  53         }
  54
  55         return( NULLMSG );
  56 }
  57
  58 /* ARGSUSED */
  59 int
  60 ldap_count_entries( LDAP *ld, LDAPMessage *chain )
  61 {
  62         int     i;
  63
  64         if ( ld == NULL ) {
  65                 return -1;
  66         }
  67
  68         for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
  69                 if( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  70                         i++;
  71                 }
  72         }
  73
  74         return( i );
  75 }
  76
  77 int
  78 ldap_get_entry_controls(
  79         LDAP *ld,
  80         LDAPMessage *entry,
  81         LDAPControl ***serverctrls)
  82 {
  83         int rc;
  84         BerElement be;
  85
  86         if ( ld == NULL || serverctrls == NULL ||
  87                 entry == NULL || entry->lm_msgtype == LDAP_RES_SEARCH_ENTRY )
  88         {
  89                 return LDAP_PARAM_ERROR;
  90         }
  91
  92         /* make a local copy of the BerElement */
  93         SAFEMEMCPY(&be, entry->lm_ber, sizeof(be));
  94
  95         if ( ber_scanf( &be, "{xx" /*}*/ ) == LBER_ERROR ) {
  96                 rc = LDAP_DECODING_ERROR;
  97                 goto cleanup_and_return;
  98         }
  99
 100         rc = ldap_get_ber_controls( &be, serverctrls );
 101
 102 cleanup_and_return:
 103         if( rc != LDAP_SUCCESS ) {
 104                 ld->ld_errno = rc;
 105
 106                 if( ld->ld_matched != NULL )
 107                         free( ld->ld_matched );
 108
 109                 ld->ld_matched = NULL;
 110
 111                 if( ld->ld_error != NULL )
 112                         free( ld->ld_error );
 113
 114                 ld->ld_error = NULL;
 115         }
 116
 117         return rc;
 118 }