136 lines
3.4 KiB
C
136 lines
3.4 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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* Copyright (c) 1990 Regents of the University of Michigan.
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* All rights reserved.
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*/
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/*
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* getattr.c
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*/
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#if 0
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#ifndef lint
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static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
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#endif
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#endif
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#include "ldap-int.h"
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static unsigned long
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bytes_remaining( BerElement *ber )
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{
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unsigned long len;
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if ( ber_get_option( ber, LBER_OPT_REMAINING_BYTES, &len ) != 0 ) {
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return( 0 ); /* not sure what else to do.... */
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}
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return( len );
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}
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char *
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LDAP_CALL
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ldap_first_attribute( LDAP *ld, LDAPMessage *entry, BerElement **ber )
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{
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char *attr;
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int err;
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long seqlength;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_first_attribute\n", 0, 0, 0 );
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if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
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return( NULL ); /* punt */
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}
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if ( ber == NULL || !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
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LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
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return( NULL );
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}
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if ( nsldapi_alloc_ber_with_options( ld, ber ) != LDAP_SUCCESS ) {
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return( NULL );
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}
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**ber = *entry->lm_ber;
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attr = NULL; /* pessimistic */
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err = LDAP_DECODING_ERROR; /* ditto */
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/*
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* Skip past the sequence, dn, and sequence of sequence.
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* Reset number of bytes remaining so we confine the rest of our
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* decoding to the current sequence.
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*/
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if ( ber_scanf( *ber, "{xl{", &seqlength ) != LBER_ERROR &&
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ber_set_option( *ber, LBER_OPT_REMAINING_BYTES, &seqlength )
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== 0 ) {
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/* snarf the attribute type, and skip the set of values,
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* leaving us positioned right before the next attribute
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* type/value sequence.
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*/
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if ( ber_scanf( *ber, "{ax}", &attr ) != LBER_ERROR ||
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bytes_remaining( *ber ) == 0 ) {
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err = LDAP_SUCCESS;
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}
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}
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LDAP_SET_LDERRNO( ld, err, NULL, NULL );
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if ( attr == NULL || err != LDAP_SUCCESS ) {
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ber_free( *ber, 0 );
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*ber = NULL;
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}
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return( attr );
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}
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/* ARGSUSED */
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char *
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LDAP_CALL
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ldap_next_attribute( LDAP *ld, LDAPMessage *entry, BerElement *ber )
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{
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char *attr;
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int err;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_next_attribute\n", 0, 0, 0 );
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if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
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return( NULL ); /* punt */
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}
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if ( ber == NULL || !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
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LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
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return( NULL );
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}
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attr = NULL; /* pessimistic */
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err = LDAP_DECODING_ERROR; /* ditto */
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/* skip sequence, snarf attribute type, skip values */
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if ( ber_scanf( ber, "{ax}", &attr ) != LBER_ERROR ||
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bytes_remaining( ber ) == 0 ) {
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err = LDAP_SUCCESS;
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}
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LDAP_SET_LDERRNO( ld, err, NULL, NULL );
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return( attr );
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}
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