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603 lines
13 KiB
C
603 lines
13 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 2000-2011 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-mdb.h"
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#include "config.h"
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#include "lutil.h"
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/* Find the ad, return -1 if not found,
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* set point for insertion if ins is non-NULL
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*/
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int
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mdb_attr_slot( struct mdb_info *mdb, AttributeDescription *ad, int *ins )
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{
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unsigned base = 0, cursor = 0;
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unsigned n = mdb->mi_nattrs;
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int val = 0;
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while ( 0 < n ) {
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unsigned pivot = n >> 1;
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cursor = base + pivot;
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val = SLAP_PTRCMP( ad, mdb->mi_attrs[cursor]->ai_desc );
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if ( val < 0 ) {
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n = pivot;
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} else if ( val > 0 ) {
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base = cursor + 1;
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n -= pivot + 1;
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} else {
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return cursor;
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}
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}
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if ( ins ) {
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if ( val > 0 )
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++cursor;
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*ins = cursor;
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}
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return -1;
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}
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static int
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ainfo_insert( struct mdb_info *mdb, AttrInfo *a )
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{
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int x;
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int i = mdb_attr_slot( mdb, a->ai_desc, &x );
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/* Is it a dup? */
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if ( i >= 0 )
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return -1;
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mdb->mi_attrs = ch_realloc( mdb->mi_attrs, ( mdb->mi_nattrs+1 ) *
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sizeof( AttrInfo * ));
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if ( x < mdb->mi_nattrs )
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AC_MEMCPY( &mdb->mi_attrs[x+1], &mdb->mi_attrs[x],
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( mdb->mi_nattrs - x ) * sizeof( AttrInfo *));
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mdb->mi_attrs[x] = a;
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mdb->mi_nattrs++;
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return 0;
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}
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AttrInfo *
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mdb_attr_mask(
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struct mdb_info *mdb,
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AttributeDescription *desc )
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{
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int i = mdb_attr_slot( mdb, desc, NULL );
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return i < 0 ? NULL : mdb->mi_attrs[i];
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}
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/* Open all un-opened index DB handles */
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int
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mdb_attr_dbs_open(
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BackendDB *be, MDB_txn *tx0, ConfigReply *cr )
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{
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struct mdb_info *mdb = (struct mdb_info *) be->be_private;
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MDB_txn *txn;
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int i, flags;
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int rc;
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txn = tx0;
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if ( txn == NULL ) {
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rc = mdb_txn_begin( mdb->mi_dbenv, 0, &txn );
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if ( rc ) {
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snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
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"txn_begin failed: %s (%d).",
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be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(mdb_attr_dbs) ": %s\n",
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cr->msg, 0, 0 );
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return rc;
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}
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} else {
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rc = 0;
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}
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flags = MDB_DUPSORT|MDB_DUPFIXED|MDB_INTEGERDUP;
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if ( !(slapMode & SLAP_TOOL_READONLY) )
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flags |= MDB_CREATE;
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for ( i=0; i<mdb->mi_nattrs; i++ ) {
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if ( mdb->mi_attrs[i]->ai_dbi ) /* already open */
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continue;
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rc = mdb_open( txn, mdb->mi_attrs[i]->ai_desc->ad_type->sat_cname.bv_val,
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flags, &mdb->mi_attrs[i]->ai_dbi );
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if ( rc ) {
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snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
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"mdb_open(%s) failed: %s (%d).",
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be->be_suffix[0].bv_val,
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mdb->mi_attrs[i]->ai_desc->ad_type->sat_cname.bv_val,
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mdb_strerror(rc), rc );
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(mdb_attr_dbs) ": %s\n",
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cr->msg, 0, 0 );
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break;
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}
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}
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/* Only commit if this is our txn */
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if ( tx0 == NULL ) {
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if ( !rc ) {
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rc = mdb_txn_commit( txn );
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if ( rc ) {
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snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
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"txn_commit failed: %s (%d).",
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be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(mdb_attr_dbs) ": %s\n",
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cr->msg, 0, 0 );
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}
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} else {
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mdb_txn_abort( txn );
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}
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}
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return rc;
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}
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void
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mdb_attr_dbs_close(
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struct mdb_info *mdb
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)
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{
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int i;
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for ( i=0; i<mdb->mi_nattrs; i++ )
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if ( mdb->mi_attrs[i]->ai_dbi )
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mdb_close( mdb->mi_dbenv, mdb->mi_attrs[i]->ai_dbi );
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}
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int
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mdb_attr_index_config(
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struct mdb_info *mdb,
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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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struct config_reply_s *c_reply)
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{
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int rc = 0;
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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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rc = LDAP_PARAM_ERROR;
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goto done;
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}
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}
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if( indexes == NULL ) {
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mask = mdb->mi_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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if ( c_reply )
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{
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"index type \"%s\" undefined", indexes[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_PARAM_ERROR;
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goto done;
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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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if ( c_reply )
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{
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"no indexes selected" );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_PARAM_ERROR;
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goto done;
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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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mdb->mi_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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if ( c_reply )
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{
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"index component reference\"%s\" undefined",
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attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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goto done;
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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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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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if ( c_reply )
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{
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"index attribute \"%s\" undefined",
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attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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goto done;
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}
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if( ad == slap_schema.si_ad_entryDN || slap_ad_is_binary( ad ) ) {
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if (c_reply) {
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"index of attribute \"%s\" disallowed", attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_UNWILLING_TO_PERFORM;
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goto done;
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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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if (c_reply) {
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"approx index of attribute \"%s\" disallowed", attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_INAPPROPRIATE_MATCHING;
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goto done;
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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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if (c_reply) {
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"equality index of attribute \"%s\" disallowed", attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_INAPPROPRIATE_MATCHING;
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goto done;
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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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if (c_reply) {
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"substr index of attribute \"%s\" disallowed", attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_INAPPROPRIATE_MATCHING;
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goto done;
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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 = (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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a->ai_desc = ad;
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a->ai_dbi = 0;
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if ( mdb->mi_flags & MDB_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 = mdb_attr_mask( mdb, ad );
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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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rc = LDAP_PARAM_ERROR;
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goto done;
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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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rc = LDAP_PARAM_ERROR;
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goto done;
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}
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}
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}
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#endif
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rc = ainfo_insert( mdb, a );
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if( rc ) {
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if ( mdb->mi_flags & MDB_IS_OPEN ) {
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AttrInfo *b = mdb_attr_mask( mdb, ad );
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/* If there is already an index defined for this attribute
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* it must be replaced. Otherwise we end up with multiple
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* olcIndex values for the same attribute */
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if ( b->ai_indexmask & MDB_INDEX_DELETING ) {
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/* If we were editing this attr, reset it */
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b->ai_indexmask &= ~MDB_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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rc = 0;
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continue;
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}
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}
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if (c_reply) {
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snprintf(c_reply->msg, sizeof(c_reply->msg),
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"duplicate index definition for attr \"%s\"",
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attrs[i] );
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fprintf( stderr, "%s: line %d: %s\n",
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fname, lineno, c_reply->msg );
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}
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rc = LDAP_PARAM_ERROR;
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goto done;
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}
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}
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done:
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ldap_charray_free( attrs );
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if ( indexes != NULL ) ldap_charray_free( indexes );
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return rc;
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}
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static int
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mdb_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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mdb_attr_index_unparse( struct mdb_info *mdb, BerVarray *bva )
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{
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int i;
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if ( mdb->mi_defaultmask ) {
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aidef.ai_indexmask = mdb->mi_defaultmask;
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mdb_attr_index_unparser( &aidef, bva );
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}
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for ( i=0; i<mdb->mi_nattrs; i++ )
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mdb_attr_index_unparser( mdb->mi_attrs[i], bva );
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}
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void
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mdb_attr_info_free( AttrInfo *ai )
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{
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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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mdb_attr_index_destroy( struct mdb_info *mdb )
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{
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int i;
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for ( i=0; i<mdb->mi_nattrs; i++ )
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mdb_attr_info_free( mdb->mi_attrs[i] );
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free( mdb->mi_attrs );
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}
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void mdb_attr_index_free( struct mdb_info *mdb, AttributeDescription *ad )
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{
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int i;
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i = mdb_attr_slot( mdb, ad, NULL );
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if ( i >= 0 ) {
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mdb_attr_info_free( mdb->mi_attrs[i] );
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mdb->mi_nattrs--;
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for (; i<mdb->mi_nattrs; i++)
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mdb->mi_attrs[i] = mdb->mi_attrs[i+1];
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}
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}
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void mdb_attr_flush( struct mdb_info *mdb )
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{
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int i;
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for ( i=0; i<mdb->mi_nattrs; i++ ) {
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if ( mdb->mi_attrs[i]->ai_indexmask & MDB_INDEX_DELETING ) {
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int j;
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mdb_attr_info_free( mdb->mi_attrs[i] );
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mdb->mi_nattrs--;
|
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for (j=i; j<mdb->mi_nattrs; j++)
|
|
mdb->mi_attrs[j] = mdb->mi_attrs[j+1];
|
|
i--;
|
|
}
|
|
}
|
|
}
|
|
|
|
int mdb_ad_read( struct mdb_info *mdb, MDB_txn *txn )
|
|
{
|
|
int i, rc;
|
|
MDB_cursor *mc;
|
|
MDB_val key, data;
|
|
struct berval bdata;
|
|
const char *text;
|
|
AttributeDescription *ad;
|
|
|
|
rc = mdb_cursor_open( txn, mdb->mi_ad2id, &mc );
|
|
if ( rc ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"mdb_ad_read: cursor_open failed %s(%d)\n",
|
|
mdb_strerror(rc), rc, 0);
|
|
return rc;
|
|
}
|
|
|
|
/* our array is 1-based, an index of 0 means no data */
|
|
i = mdb->mi_numads+1;
|
|
key.mv_size = sizeof(int);
|
|
key.mv_data = &i;
|
|
|
|
rc = mdb_cursor_get( mc, &key, &data, MDB_SET );
|
|
|
|
while ( rc == MDB_SUCCESS ) {
|
|
bdata.bv_len = data.mv_size;
|
|
bdata.bv_val = data.mv_data;
|
|
ad = NULL;
|
|
rc = slap_bv2ad( &bdata, &ad, &text );
|
|
if ( rc ) {
|
|
rc = slap_bv2undef_ad( &bdata, &mdb->mi_ads[i], &text, 0 );
|
|
} else {
|
|
mdb->mi_adxs[ad->ad_index] = i;
|
|
mdb->mi_ads[i] = ad;
|
|
}
|
|
i++;
|
|
rc = mdb_cursor_get( mc, &key, &data, MDB_NEXT );
|
|
}
|
|
mdb->mi_numads = i-1;
|
|
|
|
done:
|
|
if ( rc == MDB_NOTFOUND )
|
|
rc = 0;
|
|
|
|
mdb_cursor_close( mc );
|
|
|
|
return rc;
|
|
}
|
|
|
|
int mdb_ad_get( struct mdb_info *mdb, MDB_txn *txn, AttributeDescription *ad )
|
|
{
|
|
int i, rc;
|
|
MDB_val key, val;
|
|
|
|
rc = mdb_ad_read( mdb, txn );
|
|
if (rc)
|
|
return rc;
|
|
|
|
if ( mdb->mi_adxs[ad->ad_index] )
|
|
return 0;
|
|
|
|
i = mdb->mi_numads+1;
|
|
key.mv_size = sizeof(int);
|
|
key.mv_data = &i;
|
|
val.mv_size = ad->ad_cname.bv_len;
|
|
val.mv_data = ad->ad_cname.bv_val;
|
|
|
|
rc = mdb_put( txn, mdb->mi_ad2id, &key, &val, 0 );
|
|
if ( rc == MDB_SUCCESS ) {
|
|
mdb->mi_adxs[ad->ad_index] = i;
|
|
mdb->mi_ads[i] = ad;
|
|
mdb->mi_numads++;
|
|
} else {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"mdb_ad_get: mdb_put failed %s(%d)\n",
|
|
mdb_strerror(rc), rc, 0);
|
|
}
|
|
|
|
return rc;
|
|
}
|