mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
148 lines
2.7 KiB
C
148 lines
2.7 KiB
C
/* references.c */
|
|
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 1998-2011 The OpenLDAP Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
|
* Public License.
|
|
*
|
|
* A copy of this license is available in the file LICENSE in the
|
|
* top-level directory of the distribution or, alternatively, at
|
|
* <http://www.OpenLDAP.org/license.html>.
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/stdlib.h>
|
|
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
#include <ac/time.h>
|
|
|
|
#include "ldap-int.h"
|
|
|
|
LDAPMessage *
|
|
ldap_first_reference( LDAP *ld, LDAPMessage *chain )
|
|
{
|
|
assert( ld != NULL );
|
|
assert( LDAP_VALID( ld ) );
|
|
assert( chain != NULL );
|
|
|
|
return chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE
|
|
? chain
|
|
: ldap_next_reference( ld, chain );
|
|
}
|
|
|
|
LDAPMessage *
|
|
ldap_next_reference( LDAP *ld, LDAPMessage *ref )
|
|
{
|
|
assert( ld != NULL );
|
|
assert( LDAP_VALID( ld ) );
|
|
assert( ref != NULL );
|
|
|
|
for (
|
|
ref = ref->lm_chain;
|
|
ref != NULL;
|
|
ref = ref->lm_chain )
|
|
{
|
|
if( ref->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
|
|
return( ref );
|
|
}
|
|
}
|
|
|
|
return( NULL );
|
|
}
|
|
|
|
int
|
|
ldap_count_references( LDAP *ld, LDAPMessage *chain )
|
|
{
|
|
int i;
|
|
|
|
assert( ld != NULL );
|
|
assert( LDAP_VALID( ld ) );
|
|
|
|
for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
|
|
if( chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
|
|
i++;
|
|
}
|
|
}
|
|
|
|
return( i );
|
|
}
|
|
|
|
int
|
|
ldap_parse_reference(
|
|
LDAP *ld,
|
|
LDAPMessage *ref,
|
|
char ***referralsp,
|
|
LDAPControl ***serverctrls,
|
|
int freeit)
|
|
{
|
|
BerElement be;
|
|
char **refs = NULL;
|
|
int rc;
|
|
|
|
assert( ld != NULL );
|
|
assert( LDAP_VALID( ld ) );
|
|
assert( ref != NULL );
|
|
|
|
if( ref->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) {
|
|
return LDAP_PARAM_ERROR;
|
|
}
|
|
|
|
/* make a private copy of BerElement */
|
|
AC_MEMCPY(&be, ref->lm_ber, sizeof(be));
|
|
|
|
if ( ber_scanf( &be, "{v" /*}*/, &refs ) == LBER_ERROR ) {
|
|
rc = LDAP_DECODING_ERROR;
|
|
goto free_and_return;
|
|
}
|
|
|
|
if ( serverctrls == NULL ) {
|
|
rc = LDAP_SUCCESS;
|
|
goto free_and_return;
|
|
}
|
|
|
|
if ( ber_scanf( &be, /*{*/ "}" ) == LBER_ERROR ) {
|
|
rc = LDAP_DECODING_ERROR;
|
|
goto free_and_return;
|
|
}
|
|
|
|
rc = ldap_pvt_get_controls( &be, serverctrls );
|
|
|
|
free_and_return:
|
|
|
|
if( referralsp != NULL ) {
|
|
/* provide references regradless of return code */
|
|
*referralsp = refs;
|
|
|
|
} else {
|
|
LDAP_VFREE( refs );
|
|
}
|
|
|
|
if( freeit ) {
|
|
ldap_msgfree( ref );
|
|
}
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
ld->ld_errno = rc;
|
|
|
|
if( ld->ld_matched != NULL ) {
|
|
LDAP_FREE( ld->ld_matched );
|
|
ld->ld_matched = NULL;
|
|
}
|
|
|
|
if( ld->ld_error != NULL ) {
|
|
LDAP_FREE( ld->ld_error );
|
|
ld->ld_error = NULL;
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|