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148 lines
2.7 KiB
C
148 lines
2.7 KiB
C
/* references.c */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2021 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "ldap-int.h"
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LDAPMessage *
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ldap_first_reference( LDAP *ld, LDAPMessage *chain )
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{
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( chain != NULL );
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return chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE
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? chain
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: ldap_next_reference( ld, chain );
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}
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LDAPMessage *
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ldap_next_reference( LDAP *ld, LDAPMessage *ref )
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{
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( ref != NULL );
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for (
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ref = ref->lm_chain;
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ref != NULL;
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ref = ref->lm_chain )
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{
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if( ref->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
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return( ref );
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}
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}
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return( NULL );
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}
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int
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ldap_count_references( LDAP *ld, LDAPMessage *chain )
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{
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int i;
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
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if( chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
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i++;
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}
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}
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return( i );
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}
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int
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ldap_parse_reference(
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LDAP *ld,
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LDAPMessage *ref,
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char ***referralsp,
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LDAPControl ***serverctrls,
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int freeit)
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{
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BerElement be;
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char **refs = NULL;
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int rc;
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( ref != NULL );
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if( ref->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) {
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return LDAP_PARAM_ERROR;
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}
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/* make a private copy of BerElement */
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AC_MEMCPY(&be, ref->lm_ber, sizeof(be));
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if ( ber_scanf( &be, "{v" /*}*/, &refs ) == LBER_ERROR ) {
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rc = LDAP_DECODING_ERROR;
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goto free_and_return;
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}
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if ( serverctrls == NULL ) {
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rc = LDAP_SUCCESS;
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goto free_and_return;
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}
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if ( ber_scanf( &be, /*{*/ "}" ) == LBER_ERROR ) {
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rc = LDAP_DECODING_ERROR;
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goto free_and_return;
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}
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rc = ldap_pvt_get_controls( &be, serverctrls );
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free_and_return:
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if( referralsp != NULL ) {
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/* provide references regardless of return code */
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*referralsp = refs;
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} else {
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LDAP_VFREE( refs );
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}
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if( freeit ) {
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ldap_msgfree( ref );
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}
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if( rc != LDAP_SUCCESS ) {
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ld->ld_errno = rc;
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if( ld->ld_matched != NULL ) {
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LDAP_FREE( ld->ld_matched );
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ld->ld_matched = NULL;
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}
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if( ld->ld_error != NULL ) {
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LDAP_FREE( ld->ld_error );
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ld->ld_error = NULL;
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}
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}
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return rc;
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}
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