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305 lines
6.7 KiB
C
305 lines
6.7 KiB
C
/* attr.c - backend 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 2000-2005 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/socket.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "back-bdb.h"
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/* for the cache of attribute information (which are indexed, etc.) */
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typedef struct bdb_attrinfo {
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AttributeDescription *ai_desc; /* attribute description cn;lang-en */
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slap_mask_t ai_indexmask; /* how the attr is indexed */
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#ifdef LDAP_COMP_MATCH
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ComponentReference* ai_cr; /*component indexing*/
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#endif
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} AttrInfo;
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static int
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ainfo_type_cmp(
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const void *v_desc,
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const void *v_a
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)
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{
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const AttributeDescription *desc = v_desc;
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const AttrInfo *a = v_a;
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return SLAP_PTRCMP(desc, a->ai_desc);
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}
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static int
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ainfo_cmp(
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const void *v_a,
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const void *v_b
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)
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{
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const AttrInfo *a = v_a, *b = v_b;
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return SLAP_PTRCMP(a->ai_desc, b->ai_desc);
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}
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#ifdef LDAP_COMP_MATCH
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void
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bdb_attr_comp_ref(
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struct bdb_info *bdb,
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AttributeDescription *desc,
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ComponentReference** cr )
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{
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AttrInfo *a;
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a = (AttrInfo *) avl_find( bdb->bi_attrs, desc, ainfo_type_cmp );
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*cr = a != NULL ? a->ai_cr : 0 ;
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}
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void
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bdb_attr_mask_cr(
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struct bdb_info *bdb,
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AttributeDescription *desc,
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slap_mask_t *indexmask,
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ComponentReference** cr )
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{
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AttrInfo *a;
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a = (AttrInfo *) avl_find( bdb->bi_attrs, desc, ainfo_type_cmp );
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if ( a ) {
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*indexmask = a->ai_indexmask;
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*cr = a->ai_cr;
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} else {
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*indexmask = NULL;
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*cr = NULL;
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}
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}
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#endif
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void
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bdb_attr_mask(
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struct bdb_info *bdb,
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AttributeDescription *desc,
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slap_mask_t *indexmask )
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{
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AttrInfo *a;
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a = (AttrInfo *) avl_find( bdb->bi_attrs, desc, ainfo_type_cmp );
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*indexmask = a != NULL ? a->ai_indexmask : 0;
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}
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int
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bdb_attr_index_config(
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struct bdb_info *bdb,
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const char *fname,
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int lineno,
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int argc,
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char **argv )
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{
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int rc;
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int i;
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slap_mask_t mask;
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char **attrs;
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char **indexes = NULL;
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attrs = ldap_str2charray( argv[0], "," );
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if( attrs == NULL ) {
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fprintf( stderr, "%s: line %d: "
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"no attributes specified: %s\n",
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fname, lineno, argv[0] );
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return LDAP_PARAM_ERROR;
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}
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if ( argc > 1 ) {
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indexes = ldap_str2charray( argv[1], "," );
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if( indexes == NULL ) {
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fprintf( stderr, "%s: line %d: "
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"no indexes specified: %s\n",
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fname, lineno, argv[1] );
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return LDAP_PARAM_ERROR;
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}
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}
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if( indexes == NULL ) {
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mask = bdb->bi_defaultmask;
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} else {
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mask = 0;
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for ( i = 0; indexes[i] != NULL; i++ ) {
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slap_mask_t index;
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rc = slap_str2index( indexes[i], &index );
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if( rc != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: line %d: "
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"index type \"%s\" undefined\n",
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fname, lineno, indexes[i] );
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return LDAP_PARAM_ERROR;
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}
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mask |= index;
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}
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}
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if( !mask ) {
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fprintf( stderr, "%s: line %d: "
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"no indexes selected\n",
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fname, lineno );
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return LDAP_PARAM_ERROR;
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}
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for ( i = 0; attrs[i] != NULL; i++ ) {
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AttrInfo *a;
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AttributeDescription *ad;
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const char *text;
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#ifdef LDAP_COMP_MATCH
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ComponentReference* cr = NULL;
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AttrInfo *a_cr = NULL;
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#endif
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if( strcasecmp( attrs[i], "default" ) == 0 ) {
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bdb->bi_defaultmask |= mask;
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continue;
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}
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#ifdef LDAP_COMP_MATCH
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if ( is_component_reference( attrs[i] ) ) {
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rc = extract_component_reference( attrs[i], &cr );
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if ( rc != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: line %d: "
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"index component reference\"%s\" undefined\n",
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fname, lineno, attrs[i] );
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return rc;
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}
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cr->cr_indexmask = mask;
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/*
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* After extracting a component reference
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* only the name of a attribute will be remaining
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*/
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} else {
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cr = NULL;
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}
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#endif
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a = (AttrInfo *) ch_malloc( sizeof(AttrInfo) );
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#ifdef LDAP_COMP_MATCH
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a->ai_cr = NULL;
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#endif
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ad = NULL;
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rc = slap_str2ad( attrs[i], &ad, &text );
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if( rc != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: line %d: "
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"index attribute \"%s\" undefined\n",
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fname, lineno, attrs[i] );
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return rc;
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}
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if( slap_ad_is_binary( ad ) ) {
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fprintf( stderr, "%s: line %d: "
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"index of attribute \"%s\" disallowed\n",
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fname, lineno, attrs[i] );
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return LDAP_UNWILLING_TO_PERFORM;
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}
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) && !(
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ad->ad_type->sat_approx
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&& ad->ad_type->sat_approx->smr_indexer
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&& ad->ad_type->sat_approx->smr_filter ) )
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{
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fprintf( stderr, "%s: line %d: "
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"approx index of attribute \"%s\" disallowed\n",
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fname, lineno, attrs[i] );
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) && !(
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ad->ad_type->sat_equality
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&& ad->ad_type->sat_equality->smr_indexer
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&& ad->ad_type->sat_equality->smr_filter ) )
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{
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fprintf( stderr, "%s: line %d: "
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"equality index of attribute \"%s\" disallowed\n",
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fname, lineno, attrs[i] );
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) && !(
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ad->ad_type->sat_substr
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&& ad->ad_type->sat_substr->smr_indexer
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&& ad->ad_type->sat_substr->smr_filter ) )
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{
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fprintf( stderr, "%s: line %d: "
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"substr index of attribute \"%s\" disallowed\n",
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fname, lineno, attrs[i] );
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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Debug( LDAP_DEBUG_CONFIG, "index %s 0x%04lx\n",
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ad->ad_cname.bv_val, mask, 0 );
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a->ai_desc = ad;
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a->ai_indexmask = mask;
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#ifdef LDAP_COMP_MATCH
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if ( cr ) {
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a_cr = avl_find( bdb->bi_attrs, ad, ainfo_type_cmp );
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if ( a_cr ) {
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/*
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* AttrInfo is already in AVL
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* just add the extracted component reference
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* in the AttrInfo
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*/
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rc = insert_component_reference( cr, &a_cr->ai_cr );
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if ( rc != LDAP_SUCCESS) {
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fprintf( stderr, " error during inserting component reference in %s ", attrs[i]);
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return LDAP_PARAM_ERROR;
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}
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continue;
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} else {
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rc = insert_component_reference( cr, &a->ai_cr );
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if ( rc != LDAP_SUCCESS) {
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fprintf( stderr, " error during inserting component reference in %s ", attrs[i]);
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return LDAP_PARAM_ERROR;
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}
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}
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}
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#endif
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rc = avl_insert( &bdb->bi_attrs, (caddr_t) a,
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ainfo_cmp, avl_dup_error );
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if( rc ) {
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fprintf( stderr, "%s: line %d: duplicate index definition "
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"for attr \"%s\" (ignored)\n",
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fname, lineno, attrs[i] );
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return LDAP_PARAM_ERROR;
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}
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}
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ldap_charray_free( attrs );
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if ( indexes != NULL ) ldap_charray_free( indexes );
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return LDAP_SUCCESS;
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}
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void
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bdb_attr_index_destroy( Avlnode *tree )
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{
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avl_free( tree, free );
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}
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