git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/init.c

   1 /* init.c - initialize bdb backend */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12 #include <ac/unistd.h>
  13 #include <ac/stdlib.h>
  14
  15 #include <lutil.h>
  16
  17 #include "back-bdb.h"
  18 #include "external.h"
  19
  20 static struct bdbi_database {
  21         char *file;
  22         char *name;
  23         int type;
  24         int flags;
  25 } bdbi_databases[] = {
  26         { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
  27 #ifdef BDB_HIER
  28         { "id2parent" BDB_SUFFIX, "id2parent", DB_BTREE, 0 },
  29 #else
  30         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  31 #endif
  32         { NULL, NULL, 0, 0 }
  33 };
  34
  35 struct berval bdb_uuid = { 0, NULL };
  36
  37 typedef void * db_malloc(size_t);
  38 typedef void * db_realloc(void *, size_t);
  39
  40 static int
  41 bdb_open( BackendInfo *bi )
  42 {
  43         return 0;
  44 }
  45
  46 #if 0
  47 static int
  48 bdb_destroy( BackendInfo *bi )
  49 {
  50         return 0;
  51 }
  52
  53 static int
  54 bdb_close( BackendInfo *bi )
  55 {
  56         /* terminate the underlying database system */
  57         return 0;
  58 }
  59 #endif
  60
  61 static int
  62 bdb_db_init( BackendDB *be )
  63 {
  64         struct bdb_info *bdb;
  65
  66 #ifdef NEW_LOGGING
  67         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
  68 #else
  69         Debug( LDAP_DEBUG_ANY,
  70                 "bdb_db_init: Initializing BDB database\n",
  71                 0, 0, 0 );
  72 #endif
  73
  74         /* indicate system schema supported */
  75         be->be_flags |=
  76 #ifdef BDB_SUBENTRIES
  77                 SLAP_BFLAG_SUBENTRIES |
  78 #endif
  79 #ifdef BDB_ALIASES
  80                 SLAP_BFLAG_ALIASES |
  81 #endif
  82                 SLAP_BFLAG_REFERRALS;
  83
  84         /* allocate backend-database-specific stuff */
  85         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  86
  87         /* DBEnv parameters */
  88         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  89         bdb->bi_dbenv_xflags = 0;
  90         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  91
  92         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  93
  94         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  95
  96 #ifdef LDAP_CLIENT_UPDATE
  97         LDAP_LIST_INIT (&bdb->psearch_list);
  98 #endif
  99
 100         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
 101         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
 102         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
 103         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
 104 #ifdef BDB_HIER
 105         ldap_pvt_thread_rdwr_init( &bdb->bi_tree_rdwr );
 106 #endif
 107
 108         be->be_private = bdb;
 109         return 0;
 110 }
 111
 112 int
 113 bdb_bt_compare(
 114         DB *db,
 115         const DBT *usrkey,
 116         const DBT *curkey
 117 )
 118 {
 119         unsigned char *u, *c;
 120         int i;
 121
 122         u = usrkey->data;
 123         c = curkey->data;
 124
 125 #ifdef WORDS_BIGENDIAN
 126         for( i = 0; i < sizeof(ID); i++)
 127 #else
 128         for( i = sizeof(ID)-1; i >= 0; i--)
 129 #endif
 130         {
 131                 if( u[i] - c[i] )
 132                         return u[i] - c[i];
 133         }
 134         return 0;
 135 }
 136
 137 static int
 138 bdb_db_open( BackendDB *be )
 139 {
 140         int rc, i;
 141         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 142         u_int32_t flags;
 143 #ifdef HAVE_EBCDIC
 144         char path[MAXPATHLEN];
 145 #endif
 146
 147 #ifdef NEW_LOGGING
 148         LDAP_LOG( BACK_BDB, ARGS,
 149                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 150 #else
 151         Debug( LDAP_DEBUG_ARGS,
 152                 "bdb_db_open: %s\n",
 153                 be->be_suffix[0].bv_val, 0, 0 );
 154 #endif
 155
 156         /* we should check existance of dbenv_home and db_directory */
 157
 158         rc = db_env_create( &bdb->bi_dbenv, 0 );
 159         if( rc != 0 ) {
 160 #ifdef NEW_LOGGING
 161                 LDAP_LOG( BACK_BDB, ERR,
 162                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 163                         db_strerror(rc), rc, 0 );
 164 #else
 165                 Debug( LDAP_DEBUG_ANY,
 166                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 167                         db_strerror(rc), rc, 0 );
 168 #endif
 169                 return rc;
 170         }
 171
 172         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 173                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 174
 175 #if 0
 176         /* Never do automatic recovery, must perform it manually.
 177          * Otherwise restarting with gentlehup will corrupt the
 178          * database.
 179          */
 180         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 181 #endif
 182
 183         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 184         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 185         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 186
 187 #ifdef BDB_SUBDIRS
 188         {
 189                 char dir[MAXPATHLEN];
 190                 size_t len = strlen( bdb->bi_dbenv_home );
 191
 192                 strcpy( dir, bdb->bi_dbenv_home );
 193                 strcat( &dir[len], BDB_TMP_SUBDIR );
 194
 195                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 196                 if( rc != 0 ) {
 197 #ifdef NEW_LOGGING
 198                         LDAP_LOG( BACK_BDB, ERR,
 199                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 200                                 dir, db_strerror(rc), rc );
 201 #else
 202                         Debug( LDAP_DEBUG_ANY,
 203                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 204                                 dir, db_strerror(rc), rc );
 205 #endif
 206                         return rc;
 207                 }
 208
 209                 strcat( &dir[len], BDB_LG_SUBDIR );
 210
 211                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 212                 if( rc != 0 ) {
 213 #ifdef NEW_LOGGING
 214                         LDAP_LOG( BACK_BDB, ERR,
 215                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 216                                 dir, db_strerror(rc), rc );
 217 #else
 218                         Debug( LDAP_DEBUG_ANY,
 219                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 220                                 dir, db_strerror(rc), rc );
 221 #endif
 222                         return rc;
 223                 }
 224
 225                 strcat( &dir[len], BDB_DATA_SUBDIR );
 226
 227                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 228                 if( rc != 0 ) {
 229 #ifdef NEW_LOGGING
 230                         LDAP_LOG( BACK_BDB, ERR,
 231                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 232                                 dir, db_strerror(rc), rc );
 233 #else
 234                         Debug( LDAP_DEBUG_ANY,
 235                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 236                                 dir, db_strerror(rc), rc );
 237 #endif
 238                         return rc;
 239                 }
 240         }
 241 #endif
 242
 243 #ifdef NEW_LOGGING
 244         LDAP_LOG( BACK_BDB, DETAIL1,
 245                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 246 #else
 247         Debug( LDAP_DEBUG_TRACE,
 248                 "bdb_db_open: dbenv_open(%s)\n",
 249                 bdb->bi_dbenv_home, 0, 0);
 250 #endif
 251
 252 #ifdef HAVE_EBCDIC
 253         strcpy( path, bdb->bi_dbenv_home );
 254         __atoe( path );
 255         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 256                 path,
 257                 flags,
 258                 bdb->bi_dbenv_mode );
 259 #else
 260         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 261                 bdb->bi_dbenv_home,
 262                 flags,
 263                 bdb->bi_dbenv_mode );
 264 #endif
 265         if( rc != 0 ) {
 266 #ifdef NEW_LOGGING
 267                 LDAP_LOG( BACK_BDB, ERR,
 268                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 269                         db_strerror(rc), rc, 0 );
 270 #else
 271                 Debug( LDAP_DEBUG_ANY,
 272                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 273                         db_strerror(rc), rc, 0 );
 274 #endif
 275                 return rc;
 276         }
 277
 278         if( bdb->bi_dbenv_xflags != 0 ) {
 279                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 280                         bdb->bi_dbenv_xflags, 1);
 281                 if( rc != 0 ) {
 282 #ifdef NEW_LOGGING
 283                         LDAP_LOG( BACK_BDB, ERR,
 284                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 285                                 db_strerror(rc), rc, 0 );
 286 #else
 287                         Debug( LDAP_DEBUG_ANY,
 288                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 289                                 db_strerror(rc), rc, 0 );
 290 #endif
 291                         return rc;
 292                 }
 293         }
 294
 295         flags = DB_THREAD | DB_CREATE | bdb->bi_db_opflags;
 296
 297         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 298                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 299
 300         /* open (and create) main database */
 301         for( i = 0; bdbi_databases[i].name; i++ ) {
 302                 struct bdb_db_info *db;
 303
 304                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 305
 306                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 307                 if( rc != 0 ) {
 308 #ifdef NEW_LOGGING
 309                         LDAP_LOG( BACK_BDB, ERR,
 310                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 311                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 312 #else
 313                         Debug( LDAP_DEBUG_ANY,
 314                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 315                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 316 #endif
 317                         return rc;
 318                 }
 319
 320                 if( i == BDB_ID2ENTRY ) {
 321                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 322                                 bdb_bt_compare );
 323                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 324                                 BDB_ID2ENTRY_PAGESIZE );
 325                 } else {
 326 #ifdef BDB_HIER
 327                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 328                                 bdb_bt_compare );
 329 #else
 330                         rc = db->bdi_db->set_flags( db->bdi_db,
 331                                 DB_DUP | DB_DUPSORT );
 332                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 333                                 bdb_bt_compare );
 334 #endif
 335                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 336                                 BDB_PAGESIZE );
 337                 }
 338
 339 #ifdef HAVE_EBCDIC
 340                 strcpy( path, bdbi_databases[i].file );
 341                 __atoe( path );
 342                 rc = DB_OPEN( db->bdi_db,
 343                         path,
 344                 /*      bdbi_databases[i].name, */ NULL,
 345                         bdbi_databases[i].type,
 346                         bdbi_databases[i].flags | flags,
 347                         bdb->bi_dbenv_mode );
 348 #else
 349                 rc = DB_OPEN( db->bdi_db,
 350                         bdbi_databases[i].file,
 351                 /*      bdbi_databases[i].name, */ NULL,
 352                         bdbi_databases[i].type,
 353                         bdbi_databases[i].flags | flags,
 354                         bdb->bi_dbenv_mode );
 355 #endif
 356
 357                 if( rc != 0 ) {
 358 #ifdef NEW_LOGGING
 359                         LDAP_LOG( BACK_BDB, ERR,
 360                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 361                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 362 #else
 363                         Debug( LDAP_DEBUG_ANY,
 364                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 365                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 366 #endif
 367                         return rc;
 368                 }
 369
 370                 db->bdi_name = bdbi_databases[i].name;
 371                 bdb->bi_databases[i] = db;
 372         }
 373
 374         bdb->bi_databases[i] = NULL;
 375         bdb->bi_ndatabases = i;
 376
 377         /* get nextid */
 378         rc = bdb_last_id( be, NULL );
 379         if( rc != 0 ) {
 380 #ifdef NEW_LOGGING
 381                         LDAP_LOG( BACK_BDB, ERR,
 382                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 383                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 384 #else
 385                 Debug( LDAP_DEBUG_ANY,
 386                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 387                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 388 #endif
 389                 return rc;
 390         }
 391
 392         /* <insert> open (and create) index databases */
 393 #ifdef BDB_HIER
 394         rc = bdb_build_tree( be );
 395 #endif
 396         return 0;
 397 }
 398
 399 static int
 400 bdb_db_close( BackendDB *be )
 401 {
 402         int rc;
 403         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 404         struct bdb_db_info *db;
 405
 406         while( bdb->bi_ndatabases-- ) {
 407                 db = bdb->bi_databases[bdb->bi_ndatabases];
 408                 rc = db->bdi_db->close( db->bdi_db, 0 );
 409                 /* Lower numbered names are not strdup'd */
 410                 if( bdb->bi_ndatabases >= BDB_NDB )
 411                         free( db->bdi_name );
 412                 free( db );
 413         }
 414         free( bdb->bi_databases );
 415         bdb_attr_index_destroy( bdb->bi_attrs );
 416
 417         bdb_cache_release_all (&bdb->bi_cache);
 418
 419         return 0;
 420 }
 421
 422 static int
 423 bdb_db_destroy( BackendDB *be )
 424 {
 425         int rc;
 426         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 427
 428         /* close db environment */
 429         if( bdb->bi_dbenv ) {
 430                 /* force a checkpoint */
 431                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 432                 if( rc != 0 ) {
 433 #ifdef NEW_LOGGING
 434                         LDAP_LOG( BACK_BDB, ERR,
 435                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 436                                 db_strerror(rc), rc, 0 );
 437 #else
 438                         Debug( LDAP_DEBUG_ANY,
 439                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 440                                 db_strerror(rc), rc, 0 );
 441 #endif
 442                 }
 443
 444                 bdb_cache_release_all (&bdb->bi_cache);
 445
 446                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 447                 bdb->bi_dbenv = NULL;
 448                 if( rc != 0 ) {
 449 #ifdef NEW_LOGGING
 450                         LDAP_LOG( BACK_BDB, ERR,
 451                                 "bdb_db_destroy: close failed: %s (%d)\n",
 452                                 db_strerror(rc), rc, 0 );
 453 #else
 454                         Debug( LDAP_DEBUG_ANY,
 455                                 "bdb_db_destroy: close failed: %s (%d)\n",
 456                                 db_strerror(rc), rc, 0 );
 457 #endif
 458                         return rc;
 459                 }
 460         }
 461
 462         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 463
 464 #ifdef BDB_HIER
 465         ldap_pvt_thread_rdwr_destroy( &bdb->bi_tree_rdwr );
 466 #endif
 467         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 468         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 469         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 470         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 471
 472         ch_free( bdb );
 473         be->be_private = NULL;
 474
 475         return 0;
 476 }
 477
 478 #ifdef SLAPD_BDB_DYNAMIC
 479 int back_bdb_LTX_init_module( int argc, char *argv[] ) {
 480         BackendInfo bi;
 481
 482         memset( &bi, '\0', sizeof(bi) );
 483         bi.bi_type = "bdb";
 484         bi.bi_init = bdb_initialize;
 485
 486         backend_add( &bi );
 487         return 0;
 488 }
 489 #endif /* SLAPD_BDB_DYNAMIC */
 490
 491 int
 492 bdb_initialize(
 493         BackendInfo     *bi
 494 )
 495 {
 496         static char *controls[] = {
 497                 LDAP_CONTROL_MANAGEDSAIT,
 498 #ifdef LDAP_CONTROL_SUBENTRIES
 499                 LDAP_CONTROL_SUBENTRIES,
 500 #endif
 501 #ifdef LDAP_CONTROL_NOOP
 502                 LDAP_CONTROL_NOOP,
 503 #endif
 504 #ifdef LDAP_CONTROL_VALUESRETURNFILTER
 505                 LDAP_CONTROL_VALUESRETURNFILTER,
 506 #endif
 507 #ifdef LDAP_CLIENT_UPDATE
 508                 LDAP_CONTROL_CLIENT_UPDATE,
 509 #endif
 510                 NULL
 511         };
 512
 513         bi->bi_controls = controls;
 514
 515         /* initialize the underlying database system */
 516 #ifdef NEW_LOGGING
 517         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
 518 #else
 519         Debug( LDAP_DEBUG_TRACE, "bdb_open: initialize BDB backend\n",
 520                 0, 0, 0 );
 521 #endif
 522
 523         {       /* version check */
 524                 int major, minor, patch;
 525                 char *version = db_version( &major, &minor, &patch );
 526 #ifdef HAVE_EBCDIC
 527                 char v2[1024];
 528
 529                 /* All our stdio does an ASCII to EBCDIC conversion on
 530                  * the output. Strings from the BDB library are already
 531                  * in EBCDIC; we have to go back and forth...
 532                  */
 533                 strcpy( v2, version );
 534                 __etoa( v2 );
 535                 version = v2;
 536 #endif
 537
 538                 if( major != DB_VERSION_MAJOR ||
 539                         minor != DB_VERSION_MINOR ||
 540                         patch < DB_VERSION_PATCH )
 541                 {
 542 #ifdef NEW_LOGGING
 543                         LDAP_LOG( BACK_BDB, ERR,
 544                                 "bdb_db_initialize: version mismatch: "
 545                                 "\texpected: %s \tgot: %s\n", DB_VERSION_STRING, version, 0 );
 546 #else
 547                         Debug( LDAP_DEBUG_ANY,
 548                                 "bdb_open: version mismatch\n"
 549                                 "\texpected: " DB_VERSION_STRING "\n"
 550                                 "\tgot: %s \n", version, 0, 0 );
 551 #endif
 552                 }
 553
 554 #ifdef NEW_LOGGING
 555                 LDAP_LOG( BACK_BDB, DETAIL1,
 556                         "bdb_db_initialize: bdb_open: %s\n", version, 0, 0 );
 557 #else
 558                 Debug( LDAP_DEBUG_ANY, "bdb_open: %s\n",
 559                         version, 0, 0 );
 560 #endif
 561         }
 562
 563         db_env_set_func_free( ber_memfree );
 564         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 565         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 566 #ifndef NO_THREAD
 567         /* This is a no-op on a NO_THREAD build. Leave the default
 568          * alone so that BDB will sleep on interprocess conflicts.
 569          */
 570         db_env_set_func_yield( ldap_pvt_thread_yield );
 571 #endif
 572
 573         {
 574                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 575
 576                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 577                 bdb_uuid.bv_val = uuidbuf;
 578         }
 579
 580         bi->bi_open = 0;
 581         bi->bi_close = 0;
 582         bi->bi_config = 0;
 583         bi->bi_destroy = 0;
 584
 585         bi->bi_db_init = bdb_db_init;
 586         bi->bi_db_config = bdb_db_config;
 587         bi->bi_db_open = bdb_db_open;
 588         bi->bi_db_close = bdb_db_close;
 589         bi->bi_db_destroy = bdb_db_destroy;
 590
 591         bi->bi_op_add = bdb_add;
 592         bi->bi_op_bind = bdb_bind;
 593         bi->bi_op_compare = bdb_compare;
 594         bi->bi_op_delete = bdb_delete;
 595         bi->bi_op_modify = bdb_modify;
 596         bi->bi_op_modrdn = bdb_modrdn;
 597         bi->bi_op_search = bdb_search;
 598
 599         bi->bi_op_unbind = 0;
 600         bi->bi_op_abandon = 0;
 601
 602         bi->bi_extended = bdb_extended;
 603
 604 #if 1
 605         /*
 606          * these routines (and their callers) are not yet designed
 607          * to work with transaction.  Using them may cause deadlock.
 608          */
 609         bi->bi_acl_group = bdb_group;
 610         bi->bi_acl_attribute = bdb_attribute;
 611 #else
 612         bi->bi_acl_group = 0;
 613         bi->bi_acl_attribute = 0;
 614 #endif
 615
 616         bi->bi_chk_referrals = bdb_referrals;
 617         bi->bi_operational = bdb_operational;
 618         bi->bi_entry_release_rw = bdb_entry_release;
 619
 620         /*
 621          * hooks for slap tools
 622          */
 623         bi->bi_tool_entry_open = bdb_tool_entry_open;
 624         bi->bi_tool_entry_close = bdb_tool_entry_close;
 625         bi->bi_tool_entry_first = bdb_tool_entry_next;
 626         bi->bi_tool_entry_next = bdb_tool_entry_next;
 627         bi->bi_tool_entry_get = bdb_tool_entry_get;
 628         bi->bi_tool_entry_put = bdb_tool_entry_put;
 629         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 630         bi->bi_tool_sync = 0;
 631
 632         bi->bi_connection_init = 0;
 633         bi->bi_connection_destroy = 0;
 634
 635         return 0;
 636 }