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

   1 /* init.c - initialize bdb backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2005 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21 #include <ac/unistd.h>
  22 #include <ac/stdlib.h>
  23
  24 #include "back-bdb.h"
  25 #include <lutil.h>
  26 #include <ldap_rq.h>
  27
  28 static const struct bdbi_database {
  29         char *file;
  30         char *name;
  31         int type;
  32         int flags;
  33 } bdbi_databases[] = {
  34         { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
  35         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  36         { NULL, NULL, 0, 0 }
  37 };
  38
  39 typedef void * db_malloc(size_t);
  40 typedef void * db_realloc(void *, size_t);
  41
  42 static int
  43 bdb_db_init( BackendDB *be )
  44 {
  45         struct bdb_info *bdb;
  46
  47         Debug( LDAP_DEBUG_TRACE,
  48                 LDAP_XSTRING(bdb_db_init) ": Initializing " BDB_UCTYPE " database\n",
  49                 0, 0, 0 );
  50
  51         /* allocate backend-database-specific stuff */
  52         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  53
  54         /* DBEnv parameters */
  55         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  56         bdb->bi_dbenv_xflags = 0;
  57         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  58
  59         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  60
  61         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  62         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
  63         bdb->bi_search_stack = NULL;
  64
  65         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
  66         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
  67         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
  68         ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
  69         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
  70
  71         be->be_private = bdb;
  72         be->be_cf_table = be->bd_info->bi_cf_table;
  73
  74         return 0;
  75 }
  76
  77 static void *
  78 bdb_checkpoint( void *ctx, void *arg )
  79 {
  80         struct re_s *rtask = arg;
  81         struct bdb_info *bdb = rtask->arg;
  82
  83         TXN_CHECKPOINT( bdb->bi_dbenv, bdb->bi_txn_cp_kbyte,
  84                 bdb->bi_txn_cp_min, 0 );
  85         return NULL;
  86 }
  87
  88 static int
  89 bdb_db_open( BackendDB *be )
  90 {
  91         int rc, i;
  92         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  93         u_int32_t flags;
  94 #ifdef HAVE_EBCDIC
  95         char path[MAXPATHLEN];
  96 #endif
  97
  98         Debug( LDAP_DEBUG_ARGS,
  99                 "bdb_db_open: %s\n",
 100                 be->be_suffix[0].bv_val, 0, 0 );
 101
 102 #ifndef BDB_MULTIPLE_SUFFIXES
 103         if ( be->be_suffix[1].bv_val ) {
 104         Debug( LDAP_DEBUG_ANY,
 105                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 106                 return -1;
 107         }
 108 #endif
 109         /* we should check existance of dbenv_home and db_directory */
 110
 111         rc = db_env_create( &bdb->bi_dbenv, 0 );
 112         if( rc != 0 ) {
 113                 Debug( LDAP_DEBUG_ANY,
 114                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 115                         db_strerror(rc), rc, 0 );
 116                 return rc;
 117         }
 118
 119         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE;
 120
 121         if ( !( slapMode & SLAP_TOOL_QUICK ))
 122                 flags |= DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 123
 124 #if 0
 125         /* Never do automatic recovery, must perform it manually.
 126          * Otherwise restarting with gentlehup will corrupt the
 127          * database.
 128          */
 129         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 130 #endif
 131
 132         /* If a key was set, use shared memory for the BDB environment */
 133         if ( bdb->bi_shm_key ) {
 134                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 135                 flags |= DB_SYSTEM_MEM;
 136         }
 137
 138         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 139         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 140         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 141
 142         /* One long-lived TXN per thread, two TXNs per write op */
 143         bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv, connection_pool_max * 3 );
 144
 145 #ifdef SLAP_ZONE_ALLOC
 146         if ( bdb->bi_cache.c_maxsize ) {
 147                 bdb->bi_cache.c_zctx = slap_zn_mem_create(
 148                                                                 SLAP_ZONE_INITSIZE,
 149                                                                 SLAP_ZONE_MAXSIZE,
 150                                                                 SLAP_ZONE_DELTA,
 151                                                                 SLAP_ZONE_SIZE);
 152         }
 153 #endif
 154
 155         if ( bdb->bi_idl_cache_max_size ) {
 156                 bdb->bi_idl_tree = NULL;
 157                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 158                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 159                 bdb->bi_idl_cache_size = 0;
 160         }
 161
 162 #ifdef BDB_SUBDIRS
 163         {
 164                 char dir[MAXPATHLEN], *ptr;
 165
 166                 if (bdb->bi_dbenv_home[0] == '.') {
 167                         /* If home is a relative path, relative subdirs
 168                          * are just concat'd by BDB. We don't want the
 169                          * path to be concat'd twice, e.g.
 170                          * ./test-db/./test-db/tmp
 171                          */
 172                         ptr = dir;
 173                 } else {
 174                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 175                         *ptr++ = LDAP_DIRSEP[0];
 176 #ifdef HAVE_EBCDIC
 177                         __atoe( dir );
 178 #endif
 179                 }
 180
 181                 strcpy( ptr, BDB_TMP_SUBDIR );
 182 #ifdef HAVE_EBCDIC
 183                 __atoe( ptr );
 184 #endif
 185                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 186                 if( rc != 0 ) {
 187                         Debug( LDAP_DEBUG_ANY,
 188                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 189                                 dir, db_strerror(rc), rc );
 190                         return rc;
 191                 }
 192
 193                 strcpy( ptr, BDB_LG_SUBDIR );
 194 #ifdef HAVE_EBCDIC
 195                 __atoe( ptr );
 196 #endif
 197                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 198                 if( rc != 0 ) {
 199                         Debug( LDAP_DEBUG_ANY,
 200                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 201                                 dir, db_strerror(rc), rc );
 202                         return rc;
 203                 }
 204
 205                 strcpy( ptr, BDB_DATA_SUBDIR );
 206 #ifdef HAVE_EBCDIC
 207                 __atoe( ptr );
 208 #endif
 209                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 210                 if( rc != 0 ) {
 211                         Debug( LDAP_DEBUG_ANY,
 212                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 213                                 dir, db_strerror(rc), rc );
 214                         return rc;
 215                 }
 216         }
 217 #endif
 218
 219         if( bdb->bi_dbenv_xflags != 0 ) {
 220                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 221                         bdb->bi_dbenv_xflags, 1);
 222                 if( rc != 0 ) {
 223                         Debug( LDAP_DEBUG_ANY,
 224                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 225                                 db_strerror(rc), rc, 0 );
 226                         return rc;
 227                 }
 228         }
 229
 230         Debug( LDAP_DEBUG_TRACE,
 231                 "bdb_db_open: dbenv_open(%s)\n",
 232                 bdb->bi_dbenv_home, 0, 0);
 233
 234 #ifdef HAVE_EBCDIC
 235         strcpy( path, bdb->bi_dbenv_home );
 236         __atoe( path );
 237         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 238                 path,
 239                 flags,
 240                 bdb->bi_dbenv_mode );
 241 #else
 242         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 243                 bdb->bi_dbenv_home,
 244                 flags,
 245                 bdb->bi_dbenv_mode );
 246 #endif
 247         if( rc != 0 ) {
 248                 Debug( LDAP_DEBUG_ANY,
 249                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 250                         db_strerror(rc), rc, 0 );
 251                 return rc;
 252         }
 253
 254         flags = DB_THREAD | bdb->bi_db_opflags;
 255
 256 #ifdef DB_AUTO_COMMIT
 257         if ( !( slapMode & SLAP_TOOL_QUICK ))
 258                 flags |= DB_AUTO_COMMIT;
 259 #endif
 260
 261         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 262                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 263
 264         /* open (and create) main database */
 265         for( i = 0; bdbi_databases[i].name; i++ ) {
 266                 struct bdb_db_info *db;
 267
 268                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 269
 270                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 271                 if( rc != 0 ) {
 272                         Debug( LDAP_DEBUG_ANY,
 273                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 274                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 275                         return rc;
 276                 }
 277
 278                 if( i == BDB_ID2ENTRY ) {
 279                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 280                                 BDB_ID2ENTRY_PAGESIZE );
 281                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 282                                 flags |= DB_RDONLY;
 283                         } else {
 284                                 flags |= DB_CREATE;
 285                         }
 286                 } else {
 287                         rc = db->bdi_db->set_flags( db->bdi_db,
 288                                 DB_DUP | DB_DUPSORT );
 289 #ifndef BDB_HIER
 290                         if ( slapMode & SLAP_TOOL_READONLY ) {
 291                                 flags |= DB_RDONLY;
 292                         } else {
 293                                 flags |= DB_CREATE;
 294                         }
 295 #else
 296                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 297                                 flags |= DB_RDONLY;
 298                         } else {
 299                                 flags |= DB_CREATE;
 300                         }
 301 #endif
 302                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 303                                 BDB_PAGESIZE );
 304                 }
 305
 306 #ifdef HAVE_EBCDIC
 307                 strcpy( path, bdbi_databases[i].file );
 308                 __atoe( path );
 309                 rc = DB_OPEN( db->bdi_db,
 310                         path,
 311                 /*      bdbi_databases[i].name, */ NULL,
 312                         bdbi_databases[i].type,
 313                         bdbi_databases[i].flags | flags,
 314                         bdb->bi_dbenv_mode );
 315 #else
 316                 rc = DB_OPEN( db->bdi_db,
 317                         bdbi_databases[i].file,
 318                 /*      bdbi_databases[i].name, */ NULL,
 319                         bdbi_databases[i].type,
 320                         bdbi_databases[i].flags | flags,
 321                         bdb->bi_dbenv_mode );
 322 #endif
 323
 324                 if ( rc != 0 ) {
 325                         char    buf[SLAP_TEXT_BUFLEN];
 326
 327                         snprintf( buf, sizeof(buf), "%s/%s",
 328                                 bdb->bi_dbenv_home, bdbi_databases[i].file );
 329                         Debug( LDAP_DEBUG_ANY,
 330                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 331                                 buf, db_strerror(rc), rc );
 332                         return rc;
 333                 }
 334
 335                 flags &= ~(DB_CREATE | DB_RDONLY);
 336                 db->bdi_name = bdbi_databases[i].name;
 337                 bdb->bi_databases[i] = db;
 338         }
 339
 340         bdb->bi_databases[i] = NULL;
 341         bdb->bi_ndatabases = i;
 342
 343         /* get nextid */
 344         rc = bdb_last_id( be, NULL );
 345         if( rc != 0 ) {
 346                 Debug( LDAP_DEBUG_ANY,
 347                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 348                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 349                 return rc;
 350         }
 351
 352         if ( !( slapMode & SLAP_TOOL_QUICK )) {
 353                 XLOCK_ID(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
 354         }
 355
 356         /* If we're in server mode and time-based checkpointing is enabled,
 357          * submit a task to perform periodic checkpoints.
 358          */
 359         if ( slapMode & SLAP_SERVER_MODE && bdb->bi_txn_cp &&
 360                 bdb->bi_txn_cp_min )  {
 361                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 362                 ldap_pvt_runqueue_insert( &slapd_rq, bdb->bi_txn_cp_min*60,
 363                         bdb_checkpoint, bdb );
 364                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 365         }
 366
 367         return 0;
 368 }
 369
 370 static int
 371 bdb_db_close( BackendDB *be )
 372 {
 373         int rc;
 374         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 375         struct bdb_db_info *db;
 376         bdb_idl_cache_entry_t *entry, *next_entry;
 377
 378         while( bdb->bi_ndatabases-- ) {
 379                 db = bdb->bi_databases[bdb->bi_ndatabases];
 380                 rc = db->bdi_db->close( db->bdi_db, 0 );
 381                 /* Lower numbered names are not strdup'd */
 382                 if( bdb->bi_ndatabases >= BDB_NDB )
 383                         free( db->bdi_name );
 384                 free( db );
 385         }
 386         free( bdb->bi_databases );
 387         bdb_attr_index_destroy( bdb->bi_attrs );
 388
 389         bdb_cache_release_all (&bdb->bi_cache);
 390
 391         if ( bdb->bi_idl_cache_max_size ) {
 392                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 393                 avl_free( bdb->bi_idl_tree, NULL );
 394                 entry = bdb->bi_idl_lru_head;
 395                 while ( entry != NULL ) {
 396                         next_entry = entry->idl_lru_next;
 397                         if ( entry->idl )
 398                                 free( entry->idl );
 399                         free( entry->kstr.bv_val );
 400                         free( entry );
 401                         entry = next_entry;
 402                 }
 403                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 404         }
 405
 406         if ( !( slapMode & SLAP_TOOL_QUICK )) {
 407                 XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
 408         }
 409
 410         return 0;
 411 }
 412
 413 static int
 414 bdb_db_destroy( BackendDB *be )
 415 {
 416         int rc;
 417         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 418
 419         /* close db environment */
 420         if( bdb->bi_dbenv ) {
 421                 /* force a checkpoint */
 422                 if ( !( slapMode & SLAP_TOOL_QUICK )) {
 423                         rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 424                         if( rc != 0 ) {
 425                                 Debug( LDAP_DEBUG_ANY,
 426                                         "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 427                                         db_strerror(rc), rc, 0 );
 428                         }
 429                 }
 430
 431                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 432                 bdb->bi_dbenv = NULL;
 433                 if( rc != 0 ) {
 434                         Debug( LDAP_DEBUG_ANY,
 435                                 "bdb_db_destroy: close failed: %s (%d)\n",
 436                                 db_strerror(rc), rc, 0 );
 437                         return rc;
 438                 }
 439         }
 440
 441         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 442
 443         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 444         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 445         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 446         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 447         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 448         if ( bdb->bi_idl_cache_max_size ) {
 449                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 450                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 451         }
 452
 453         ch_free( bdb );
 454         be->be_private = NULL;
 455
 456         return 0;
 457 }
 458
 459 int
 460 bdb_back_initialize(
 461         BackendInfo     *bi )
 462 {
 463         int rc;
 464
 465         static char *controls[] = {
 466                 LDAP_CONTROL_ASSERT,
 467                 LDAP_CONTROL_MANAGEDSAIT,
 468                 LDAP_CONTROL_NOOP,
 469                 LDAP_CONTROL_PAGEDRESULTS,
 470 #ifdef LDAP_CONTROL_SUBENTRIES
 471                 LDAP_CONTROL_SUBENTRIES,
 472 #endif
 473 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
 474                 LDAP_CONTROL_X_PERMISSIVE_MODIFY,
 475 #endif
 476                 NULL
 477         };
 478
 479         /* initialize the underlying database system */
 480         Debug( LDAP_DEBUG_TRACE,
 481                 LDAP_XSTRING(bdb_back_initialize) ": initialize "
 482                 BDB_UCTYPE " backend\n", 0, 0, 0 );
 483
 484         bi->bi_flags |=
 485                 SLAP_BFLAG_INCREMENT |
 486 #ifdef BDB_SUBENTRIES
 487                 SLAP_BFLAG_SUBENTRIES |
 488 #endif
 489                 SLAP_BFLAG_ALIASES |
 490                 SLAP_BFLAG_REFERRALS;
 491
 492         bi->bi_controls = controls;
 493
 494         {       /* version check */
 495                 int major, minor, patch, ver;
 496                 char *version = db_version( &major, &minor, &patch );
 497 #ifdef HAVE_EBCDIC
 498                 char v2[1024];
 499
 500                 /* All our stdio does an ASCII to EBCDIC conversion on
 501                  * the output. Strings from the BDB library are already
 502                  * in EBCDIC; we have to go back and forth...
 503                  */
 504                 strcpy( v2, version );
 505                 __etoa( v2 );
 506                 version = v2;
 507 #endif
 508
 509                 ver = (major << 24) | (minor << 16) | patch;
 510                 if( ver != DB_VERSION_FULL ) {
 511                         /* fail if a versions don't match */
 512                         Debug( LDAP_DEBUG_ANY,
 513                                 LDAP_XSTRING(bdb_back_initialize) ": "
 514                                 "BDB library version mismatch:"
 515                                 " expected " DB_VERSION_STRING ","
 516                                 " got %s\n", version, 0, 0 );
 517                         return -1;
 518                 }
 519
 520                 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_back_initialize)
 521                         ": %s\n", version, 0, 0 );
 522         }
 523
 524         db_env_set_func_free( ber_memfree );
 525         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 526         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 527 #ifndef NO_THREAD
 528         /* This is a no-op on a NO_THREAD build. Leave the default
 529          * alone so that BDB will sleep on interprocess conflicts.
 530          */
 531         db_env_set_func_yield( ldap_pvt_thread_yield );
 532 #endif
 533
 534         bi->bi_open = 0;
 535         bi->bi_close = 0;
 536         bi->bi_config = 0;
 537         bi->bi_destroy = 0;
 538
 539         bi->bi_db_init = bdb_db_init;
 540         bi->bi_db_config = config_generic_wrapper;
 541         bi->bi_db_open = bdb_db_open;
 542         bi->bi_db_close = bdb_db_close;
 543         bi->bi_db_destroy = bdb_db_destroy;
 544
 545         bi->bi_op_add = bdb_add;
 546         bi->bi_op_bind = bdb_bind;
 547         bi->bi_op_compare = bdb_compare;
 548         bi->bi_op_delete = bdb_delete;
 549         bi->bi_op_modify = bdb_modify;
 550         bi->bi_op_modrdn = bdb_modrdn;
 551         bi->bi_op_search = bdb_search;
 552
 553         bi->bi_op_unbind = 0;
 554
 555         bi->bi_extended = bdb_extended;
 556
 557         bi->bi_chk_referrals = bdb_referrals;
 558         bi->bi_operational = bdb_operational;
 559         bi->bi_has_subordinates = bdb_hasSubordinates;
 560         bi->bi_entry_release_rw = bdb_entry_release;
 561         bi->bi_entry_get_rw = bdb_entry_get;
 562
 563         /*
 564          * hooks for slap tools
 565          */
 566         bi->bi_tool_entry_open = bdb_tool_entry_open;
 567         bi->bi_tool_entry_close = bdb_tool_entry_close;
 568         bi->bi_tool_entry_first = bdb_tool_entry_next;
 569         bi->bi_tool_entry_next = bdb_tool_entry_next;
 570         bi->bi_tool_entry_get = bdb_tool_entry_get;
 571         bi->bi_tool_entry_put = bdb_tool_entry_put;
 572         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 573         bi->bi_tool_sync = 0;
 574         bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
 575         bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
 576         bi->bi_tool_entry_modify = bdb_tool_entry_modify;
 577
 578         bi->bi_connection_init = 0;
 579         bi->bi_connection_destroy = 0;
 580
 581         rc = bdb_back_init_cf(bi);
 582
 583         return rc;
 584 }
 585
 586 #if     (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
 587         (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
 588
 589 /* conditionally define the init_module() function */
 590 #ifdef BDB_HIER
 591 SLAP_BACKEND_INIT_MODULE( hdb )
 592 #else /* !BDB_HIER */
 593 SLAP_BACKEND_INIT_MODULE( bdb )
 594 #endif /* !BDB_HIER */
 595
 596 #endif /* SLAPD_[BH]DB == SLAPD_MOD_DYNAMIC */
 597