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https://git.openldap.org/openldap/openldap.git
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368 lines
8.1 KiB
C
368 lines
8.1 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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#include "lutil.h"
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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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AttrInfo *
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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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{
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return avl_find( bdb->bi_attrs, desc, ainfo_type_cmp );
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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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if ( bdb->bi_flags & BDB_IS_OPEN ) {
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a->ai_indexmask = 0;
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a->ai_newmask = mask;
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} else {
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a->ai_indexmask = mask;
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a->ai_newmask = 0;
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}
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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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if ( bdb->bi_flags & BDB_IS_OPEN ) {
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AttrInfo *b = avl_find( bdb->bi_attrs, ad, ainfo_type_cmp );
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/* If we were editing this attr, reset it */
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b->ai_indexmask &= ~BDB_INDEX_DELETING;
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/* If this is leftover from a previous add, commit it */
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if ( b->ai_newmask )
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b->ai_indexmask = b->ai_newmask;
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b->ai_newmask = a->ai_newmask;
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ch_free( a );
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continue;
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}
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fprintf( stderr, "%s: line %d: duplicate index definition "
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"for attr \"%s\"" SLAPD_CONF_UNKNOWN_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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static int
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bdb_attr_index_unparser( void *v1, void *v2 )
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{
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AttrInfo *ai = v1;
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BerVarray *bva = v2;
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struct berval bv;
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char *ptr;
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slap_index2bvlen( ai->ai_indexmask, &bv );
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if ( bv.bv_len ) {
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bv.bv_len += ai->ai_desc->ad_cname.bv_len + 1;
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ptr = ch_malloc( bv.bv_len+1 );
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bv.bv_val = lutil_strcopy( ptr, ai->ai_desc->ad_cname.bv_val );
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*bv.bv_val++ = ' ';
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slap_index2bv( ai->ai_indexmask, &bv );
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bv.bv_val = ptr;
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ber_bvarray_add( bva, &bv );
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}
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return 0;
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}
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static AttributeDescription addef = { NULL, NULL, BER_BVC("default") };
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static AttrInfo aidef = { &addef };
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void
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bdb_attr_index_unparse( struct bdb_info *bdb, BerVarray *bva )
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{
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if ( bdb->bi_defaultmask ) {
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aidef.ai_indexmask = bdb->bi_defaultmask;
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bdb_attr_index_unparser( &aidef, bva );
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}
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avl_apply( bdb->bi_attrs, bdb_attr_index_unparser, bva, -1, AVL_INORDER );
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}
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static void
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bdb_attrinfo_free( void *v )
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{
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AttrInfo *ai = v;
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#ifdef LDAP_COMP_MATCH
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free( ai->ai_cr );
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#endif
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free( ai );
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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, bdb_attrinfo_free );
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}
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void bdb_attr_index_free( struct bdb_info *bdb, AttributeDescription *ad )
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{
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AttrInfo *ai;
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ai = avl_delete( &bdb->bi_attrs, ad, ainfo_type_cmp );
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if ( ai )
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bdb_attrinfo_free( ai );
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}
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/* Get a list of AttrInfo's to delete */
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typedef struct Alist {
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struct Alist *next;
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AttrInfo *ptr;
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} Alist;
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static int
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bdb_attrinfo_flush( void *v1, void *arg )
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{
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AttrInfo *ai = v1;
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if ( ai->ai_indexmask & BDB_INDEX_DELETING ) {
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Alist **al = arg;
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Alist *a = ch_malloc( sizeof( Alist ));
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a->ptr = ai;
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a->next = *al;
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*al = a;
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}
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return 0;
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}
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void bdb_attr_flush( struct bdb_info *bdb )
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{
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Alist *al = NULL, *a2;
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avl_apply( bdb->bi_attrs, bdb_attrinfo_flush, &al, -1, AVL_INORDER );
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while (( a2 = al )) {
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al = al->next;
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avl_delete( &bdb->bi_attrs, a2->ptr, ainfo_cmp );
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bdb_attrinfo_free( a2->ptr );
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ch_free( a2 );
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}
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}
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