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151 lines
4.3 KiB
C
151 lines
4.3 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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