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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*/
/*
* getattr.c
*/
#if 0
#ifndef lint
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
#endif
#endif
#include "ldap-int.h"
static unsigned long
bytes_remaining( BerElement *ber )
{
ber_len_t len;
if ( ber_get_option( ber, LBER_OPT_REMAINING_BYTES, &len ) != 0 ) {
return( 0 ); /* not sure what else to do.... */
}
return( len );
}
char *
LDAP_CALL
ldap_first_attribute( LDAP *ld, LDAPMessage *entry, BerElement **ber )
{
char *attr;
int err;
ber_len_t seqlength;
LDAPDebug( LDAP_DEBUG_TRACE, "ldap_first_attribute\n", 0, 0, 0 );
if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
return( NULL ); /* punt */
}
if ( ber == NULL || !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
return( NULL );
}
if ( nsldapi_alloc_ber_with_options( ld, ber ) != LDAP_SUCCESS ) {
return( NULL );
}
**ber = *entry->lm_ber;
attr = NULL; /* pessimistic */
err = LDAP_DECODING_ERROR; /* ditto */
/*
* Skip past the sequence, dn, and sequence of sequence.
* Reset number of bytes remaining so we confine the rest of our
* decoding to the current sequence.
*/
if ( ber_scanf( *ber, "{xl{", &seqlength ) != LBER_ERROR &&
ber_set_option( *ber, LBER_OPT_REMAINING_BYTES, &seqlength )
== 0 ) {
/* snarf the attribute type, and skip the set of values,
* leaving us positioned right before the next attribute
* type/value sequence.
*/
if ( ber_scanf( *ber, "{ax}", &attr ) != LBER_ERROR ||
bytes_remaining( *ber ) == 0 ) {
err = LDAP_SUCCESS;
}
}
LDAP_SET_LDERRNO( ld, err, NULL, NULL );
if ( attr == NULL || err != LDAP_SUCCESS ) {
ber_free( *ber, 0 );
*ber = NULL;
}
return( attr );
}
/* ARGSUSED */
char *
LDAP_CALL
ldap_next_attribute( LDAP *ld, LDAPMessage *entry, BerElement *ber )
{
char *attr;
int err;
LDAPDebug( LDAP_DEBUG_TRACE, "ldap_next_attribute\n", 0, 0, 0 );
if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
return( NULL ); /* punt */
}
if ( ber == NULL || !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
return( NULL );
}
attr = NULL; /* pessimistic */
err = LDAP_DECODING_ERROR; /* ditto */
/* skip sequence, snarf attribute type, skip values */
if ( ber_scanf( ber, "{ax}", &attr ) != LBER_ERROR ||
bytes_remaining( ber ) == 0 ) {
err = LDAP_SUCCESS;
}
LDAP_SET_LDERRNO( ld, err, NULL, NULL );
return( attr );
}
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