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https://git.openldap.org/openldap/openldap.git
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decfd7217f
2) nibble type memory support when decoding 3) description type object identifier support 4) OPTIONAL, DEFAULT support in certificate decoder/extractor/matching 5) Misc bug fix
382 lines
7.4 KiB
C
382 lines
7.4 KiB
C
/* attr.c - routines for dealing with attributes */
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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 1998-2004 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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/* Portions Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include <stdio.h>
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#include <ac/ctype.h>
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#include <ac/errno.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 "slap.h"
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#ifdef LDAP_COMP_MATCH
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extern free_component_func* component_destructor;
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#endif
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void
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attr_free( Attribute *a )
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{
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if ( a->a_nvals && a->a_nvals != a->a_vals )
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ber_bvarray_free( a->a_nvals );
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ber_bvarray_free( a->a_vals );
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#ifdef LDAP_COMP_MATCH
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if ( component_destructor && a->a_comp_data && a->a_comp_data->cd_mem_op ) {
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component_destructor( a->a_comp_data->cd_mem_op );
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free ( a->a_comp_data );
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}
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#endif
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free( a );
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}
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void
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attrs_free( Attribute *a )
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{
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Attribute *next;
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for( ; a != NULL ; a = next ) {
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next = a->a_next;
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attr_free( a );
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}
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}
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Attribute *
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attr_dup( Attribute *a )
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{
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Attribute *tmp;
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if ( a == NULL) return NULL;
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tmp = ch_malloc( sizeof(Attribute) );
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if ( a->a_vals != NULL ) {
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int i;
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for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
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/* EMPTY */ ;
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}
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tmp->a_vals = ch_malloc( (i + 1) * sizeof(struct berval) );
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for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
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ber_dupbv( &tmp->a_vals[i], &a->a_vals[i] );
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if ( BER_BVISNULL( &tmp->a_vals[i] ) ) break;
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/* FIXME: error? */
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}
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BER_BVZERO( &tmp->a_vals[i] );
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/* a_nvals must be non null; it may be equal to a_vals */
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assert( a->a_nvals );
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if ( a->a_nvals != a->a_vals ) {
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tmp->a_nvals = ch_malloc( (i + 1) * sizeof(struct berval) );
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for ( i = 0; !BER_BVISNULL( &a->a_nvals[i] ); i++ ) {
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ber_dupbv( &tmp->a_nvals[i], &a->a_nvals[i] );
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if ( BER_BVISNULL( &tmp->a_nvals[i] ) ) break;
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/* FIXME: error? */
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}
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BER_BVZERO( &tmp->a_nvals[i] );
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} else {
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tmp->a_nvals = tmp->a_vals;
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}
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} else {
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tmp->a_vals = NULL;
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tmp->a_nvals = NULL;
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}
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tmp->a_desc = a->a_desc;
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tmp->a_next = NULL;
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tmp->a_flags = 0;
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#ifdef LDAP_COMP_MATCH
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tmp->a_comp_data = NULL;
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#endif
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return tmp;
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}
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Attribute *
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attrs_dup( Attribute *a )
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{
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Attribute *tmp, **next;
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if( a == NULL ) return NULL;
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tmp = NULL;
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next = &tmp;
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for( ; a != NULL ; a = a->a_next ) {
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*next = attr_dup( a );
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next = &((*next)->a_next);
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}
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*next = NULL;
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return tmp;
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}
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/*
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* attr_merge - merge the given type and value with the list of
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* attributes in attrs.
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*
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* nvals must be NULL if the attribute has no normalizer.
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* In this case, a->a_nvals will be set equal to a->a_vals.
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*
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* returns 0 everything went ok
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* -1 trouble
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*/
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int
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attr_merge(
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Entry *e,
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AttributeDescription *desc,
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BerVarray vals,
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BerVarray nvals )
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{
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int rc;
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Attribute **a;
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for ( a = &e->e_attrs; *a != NULL; a = &(*a)->a_next ) {
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if ( ad_cmp( (*a)->a_desc, desc ) == 0 ) {
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break;
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}
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}
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if ( *a == NULL ) {
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*a = (Attribute *) ch_malloc( sizeof(Attribute) );
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(*a)->a_desc = desc;
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(*a)->a_vals = NULL;
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(*a)->a_nvals = NULL;
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(*a)->a_next = NULL;
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(*a)->a_flags = 0;
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#ifdef LDAP_COMP_MATCH
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(*a)->a_comp_data = NULL;
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#endif
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}
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rc = value_add( &(*a)->a_vals, vals );
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if ( rc == LDAP_SUCCESS ) {
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if ( nvals ) {
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rc = value_add( &(*a)->a_nvals, nvals );
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/* FIXME: what if rc != LDAP_SUCCESS ? */
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} else {
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(*a)->a_nvals = (*a)->a_vals;
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}
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}
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return rc;
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}
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int
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attr_merge_normalize(
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Entry *e,
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AttributeDescription *desc,
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BerVarray vals,
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void *memctx )
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{
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BerVarray nvals = NULL;
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int rc;
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if ( desc->ad_type->sat_equality &&
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desc->ad_type->sat_equality->smr_normalize )
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{
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int i;
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for ( i = 0; !BER_BVISNULL( &vals[i] ); i++ );
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nvals = slap_sl_calloc( sizeof(struct berval), i + 1, memctx );
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for ( i = 0; !BER_BVISNULL( &vals[i] ); i++ ) {
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rc = (*desc->ad_type->sat_equality->smr_normalize)(
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SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
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desc->ad_type->sat_syntax,
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desc->ad_type->sat_equality,
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&vals[i], &nvals[i], memctx );
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if ( rc != LDAP_SUCCESS ) {
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BER_BVZERO( &nvals[i + 1] );
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goto error_return;
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}
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}
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BER_BVZERO( &nvals[i] );
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}
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rc = attr_merge( e, desc, vals, nvals );
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error_return:;
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if ( nvals != NULL ) {
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ber_bvarray_free_x( nvals, memctx );
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}
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return rc;
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}
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int
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attr_merge_one(
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Entry *e,
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AttributeDescription *desc,
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struct berval *val,
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struct berval *nval )
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{
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int rc;
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Attribute **a;
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for ( a = &e->e_attrs; *a != NULL; a = &(*a)->a_next ) {
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if ( ad_cmp( (*a)->a_desc, desc ) == 0 ) {
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break;
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}
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}
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if ( *a == NULL ) {
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*a = (Attribute *) ch_malloc( sizeof(Attribute) );
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(*a)->a_desc = desc;
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(*a)->a_vals = NULL;
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(*a)->a_nvals = NULL;
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(*a)->a_next = NULL;
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(*a)->a_flags = 0;
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#ifdef LDAP_COMP_MATCH
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(*a)->a_comp_data = NULL;
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#endif
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}
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rc = value_add_one( &(*a)->a_vals, val );
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if ( rc == LDAP_SUCCESS ) {
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if ( nval ) {
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rc = value_add_one( &(*a)->a_nvals, nval );
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/* FIXME: what if rc != LDAP_SUCCESS ? */
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} else {
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(*a)->a_nvals = (*a)->a_vals;
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}
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}
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return rc;
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}
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int
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attr_merge_normalize_one(
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Entry *e,
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AttributeDescription *desc,
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struct berval *val,
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void *memctx )
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{
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struct berval nval;
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struct berval *nvalp = NULL;
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int rc;
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if ( desc->ad_type->sat_equality &&
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desc->ad_type->sat_equality->smr_normalize )
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{
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rc = (*desc->ad_type->sat_equality->smr_normalize)(
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SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
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desc->ad_type->sat_syntax,
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desc->ad_type->sat_equality,
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val, &nval, memctx );
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if ( rc != LDAP_SUCCESS ) {
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return rc;
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}
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nvalp = &nval;
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}
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rc = attr_merge_one( e, desc, val, nvalp );
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if ( nvalp != NULL ) {
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slap_sl_free( nval.bv_val, memctx );
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}
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return rc;
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}
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/*
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* attrs_find - find attribute(s) by AttributeDescription
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* returns next attribute which is subtype of provided description.
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*/
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Attribute *
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attrs_find(
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Attribute *a,
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AttributeDescription *desc )
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{
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for ( ; a != NULL; a = a->a_next ) {
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if ( is_ad_subtype( a->a_desc, desc ) ) {
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return( a );
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}
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}
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return( NULL );
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}
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/*
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* attr_find - find attribute by type
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*/
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Attribute *
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attr_find(
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Attribute *a,
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AttributeDescription *desc )
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{
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for ( ; a != NULL; a = a->a_next ) {
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if ( ad_cmp( a->a_desc, desc ) == 0 ) {
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return( a );
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}
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}
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return( NULL );
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}
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/*
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* attr_delete - delete the attribute type in list pointed to by attrs
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* return 0 deleted ok
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* 1 not found in list a
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* -1 something bad happened
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*/
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int
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attr_delete(
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Attribute **attrs,
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AttributeDescription *desc )
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{
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Attribute **a;
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for ( a = attrs; *a != NULL; a = &(*a)->a_next ) {
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if ( ad_cmp( (*a)->a_desc, desc ) == 0 ) {
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Attribute *save = *a;
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*a = (*a)->a_next;
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attr_free( save );
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return LDAP_SUCCESS;
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}
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}
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return LDAP_NO_SUCH_ATTRIBUTE;
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}
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