1 /* init.c - initialize bdb backend */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2007 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
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>.
20 #include <ac/string.h>
21 #include <ac/unistd.h>
22 #include <ac/stdlib.h>
31 static const struct bdbi_database {
36 } bdbi_databases[] = {
37 { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
38 { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
42 typedef void * db_malloc(size_t);
43 typedef void * db_realloc(void *, size_t);
45 #define bdb_db_init BDB_SYMBOL(db_init)
46 #define bdb_db_open BDB_SYMBOL(db_open)
47 #define bdb_db_close BDB_SYMBOL(db_close)
50 bdb_db_init( BackendDB *be, ConfigReply *cr )
55 Debug( LDAP_DEBUG_TRACE,
56 LDAP_XSTRING(bdb_db_init) ": Initializing " BDB_UCTYPE " database\n",
59 /* allocate backend-database-specific stuff */
60 bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
62 /* DBEnv parameters */
63 bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
64 bdb->bi_dbenv_xflags = 0;
65 bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
67 bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
68 bdb->bi_cache.c_minfree = 1;
70 bdb->bi_lock_detect = DB_LOCK_DEFAULT;
71 bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
72 bdb->bi_search_stack = NULL;
74 ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
75 ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
77 ldap_pvt_thread_mutex_init( &bdb->bi_modrdns_mutex );
79 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_lru_mutex );
80 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_count_mutex );
81 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_eifree_mutex );
82 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
83 ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
84 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
85 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
89 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
91 rc = bdb_monitor_db_init( be );
97 bdb_db_close( BackendDB *be, ConfigReply *cr );
100 bdb_db_open( BackendDB *be, ConfigReply *cr )
103 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
104 struct stat stat1, stat2;
106 char path[MAXPATHLEN];
109 int do_recover = 0, do_alock_recover = 0;
110 int alockt, quick = 0;
112 if ( be->be_suffix == NULL ) {
113 Debug( LDAP_DEBUG_ANY,
114 LDAP_XSTRING(bdb_db_open) ": need suffix\n",
119 Debug( LDAP_DEBUG_ARGS,
120 LDAP_XSTRING(bdb_db_open) ": %s\n",
121 be->be_suffix[0].bv_val, 0, 0 );
123 #ifndef BDB_MULTIPLE_SUFFIXES
124 if ( be->be_suffix[1].bv_val ) {
126 snprintf(cr->msg, sizeof(cr->msg), "only one suffix allowed");
127 Debug( LDAP_DEBUG_ANY,
128 LDAP_XSTRING(bdb_db_open) ": %s\n", cr->msg, 0, 0 );
134 /* Check existence of dbenv_home. Any error means trouble */
135 rc = stat( bdb->bi_dbenv_home, &stat1 );
137 Debug( LDAP_DEBUG_ANY,
138 LDAP_XSTRING(bdb_db_open) ": Cannot access database directory %s (%d)\n",
139 bdb->bi_dbenv_home, errno, 0 );
143 /* Perform database use arbitration/recovery logic */
144 alockt = (slapMode & SLAP_TOOL_READONLY) ? ALOCK_LOCKED : ALOCK_UNIQUE;
145 if ( slapMode & SLAP_TOOL_QUICK ) {
146 alockt |= ALOCK_NOSAVE;
150 rc = alock_open( &bdb->bi_alock_info,
152 bdb->bi_dbenv_home, alockt );
154 /* alockt is TRUE if the existing environment was created in Quick mode */
155 alockt = (rc & ALOCK_NOSAVE) ? 1 : 0;
158 if( rc == ALOCK_RECOVER ) {
159 Debug( LDAP_DEBUG_ANY,
160 LDAP_XSTRING(bdb_db_open) ": unclean shutdown detected;"
161 " attempting recovery.\n",
163 do_alock_recover = 1;
164 do_recover = DB_RECOVER;
165 } else if( rc == ALOCK_BUSY ) {
166 Debug( LDAP_DEBUG_ANY,
167 LDAP_XSTRING(bdb_db_open) ": database already in use\n",
170 } else if( rc != ALOCK_CLEAN ) {
171 Debug( LDAP_DEBUG_ANY,
172 LDAP_XSTRING(bdb_db_open) ": alock package is unstable\n",
178 * The DB_CONFIG file may have changed. If so, recover the
179 * database so that new settings are put into effect. Also
180 * note the possible absence of DB_CONFIG in the log.
182 if( stat( bdb->bi_db_config_path, &stat1 ) == 0 ) {
184 char *ptr = lutil_strcopy(path, bdb->bi_dbenv_home);
185 *ptr++ = LDAP_DIRSEP[0];
186 strcpy( ptr, "__db.001" );
187 if( stat( path, &stat2 ) == 0 ) {
188 if( stat2.st_mtime < stat1.st_mtime ) {
189 Debug( LDAP_DEBUG_ANY,
190 LDAP_XSTRING(bdb_db_open) ": DB_CONFIG for suffix %s has changed.\n"
191 "Performing database recovery to activate new settings.\n",
192 be->be_suffix[0].bv_val, 0, 0 );
193 do_recover = DB_RECOVER;
199 Debug( LDAP_DEBUG_ANY,
200 LDAP_XSTRING(bdb_db_open) ": Warning - No DB_CONFIG file found "
201 "in directory %s: (%d)\n"
202 "Expect poor performance for suffix %s.\n",
203 bdb->bi_dbenv_home, errno, be->be_suffix[0].bv_val );
206 /* Always let slapcat run, regardless of environment state.
207 * This can be used to cause a cache flush after an unclean
210 if ( do_recover && ( slapMode & SLAP_TOOL_READONLY )) {
211 Debug( LDAP_DEBUG_ANY,
212 LDAP_XSTRING(bdb_db_open) ": Recovery skipped in read-only mode. "
213 "Run manual recovery if errors are encountered.\n",
219 /* An existing environment in Quick mode has nothing to recover. */
220 if ( alockt && do_recover ) {
221 Debug( LDAP_DEBUG_ANY,
222 LDAP_XSTRING(bdb_db_open) ": cannot recover, database must be reinitialized.\n",
228 rc = db_env_create( &bdb->bi_dbenv, 0 );
230 Debug( LDAP_DEBUG_ANY,
231 LDAP_XSTRING(bdb_db_open) ": db_env_create failed: %s (%d)\n",
232 db_strerror(rc), rc, 0 );
237 strcpy( path, bdb->bi_dbenv_home );
241 dbhome = bdb->bi_dbenv_home;
244 /* If existing environment is clean but doesn't support
245 * currently requested modes, remove it.
247 if ( !do_recover && ( alockt ^ quick )) {
249 rc = bdb->bi_dbenv->remove( bdb->bi_dbenv, dbhome, DB_FORCE );
251 Debug( LDAP_DEBUG_ANY,
252 LDAP_XSTRING(bdb_db_open) ": dbenv remove failed: %s (%d)\n",
253 db_strerror(rc), rc, 0 );
254 bdb->bi_dbenv = NULL;
257 rc = db_env_create( &bdb->bi_dbenv, 0 );
259 Debug( LDAP_DEBUG_ANY,
260 LDAP_XSTRING(bdb_db_open) ": db_env_create failed: %s (%d)\n",
261 db_strerror(rc), rc, 0 );
266 bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
267 bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
269 bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
271 /* One long-lived TXN per thread, two TXNs per write op */
272 bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv, connection_pool_max * 3 );
274 if( bdb->bi_dbenv_xflags != 0 ) {
275 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
276 bdb->bi_dbenv_xflags, 1);
278 Debug( LDAP_DEBUG_ANY,
279 LDAP_XSTRING(bdb_db_open) ": dbenv_set_flags failed: %s (%d)\n",
280 db_strerror(rc), rc, 0 );
285 #define BDB_TXN_FLAGS (DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN)
287 Debug( LDAP_DEBUG_TRACE,
288 LDAP_XSTRING(bdb_db_open) ": dbenv_open(%s)\n",
289 bdb->bi_dbenv_home, 0, 0);
291 flags = DB_INIT_MPOOL | DB_CREATE | DB_THREAD;
294 flags |= BDB_TXN_FLAGS;
296 /* If a key was set, use shared memory for the BDB environment */
297 if ( bdb->bi_shm_key ) {
298 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
299 flags |= DB_SYSTEM_MEM;
301 rc = (bdb->bi_dbenv->open)( bdb->bi_dbenv, dbhome,
302 flags | do_recover, bdb->bi_dbenv_mode );
305 /* Regular open faied, probably a missing shm environment.
306 * Start over, do a recovery.
308 if ( !do_recover && bdb->bi_shm_key ) {
309 bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
310 rc = db_env_create( &bdb->bi_dbenv, 0 );
312 Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_db_open)
313 ": Shared memory env open failed, assuming stale env\n",
318 Debug( LDAP_DEBUG_ANY,
319 LDAP_XSTRING(bdb_db_open) ": Database cannot be %s, err %d. "
320 "Restore from backup!\n",
321 do_recover ? "recovered" : "opened", rc, 0);
325 if ( do_alock_recover && alock_recover (&bdb->bi_alock_info) != 0 ) {
326 Debug( LDAP_DEBUG_ANY,
327 LDAP_XSTRING(bdb_db_open) ": alock_recover failed\n",
333 #ifdef SLAP_ZONE_ALLOC
334 if ( bdb->bi_cache.c_maxsize ) {
335 bdb->bi_cache.c_zctx = slap_zn_mem_create(
336 SLAP_ZONE_INITSIZE, SLAP_ZONE_MAXSIZE,
337 SLAP_ZONE_DELTA, SLAP_ZONE_SIZE);
341 if ( bdb->bi_idl_cache_max_size ) {
342 bdb->bi_idl_tree = NULL;
343 bdb->bi_idl_cache_size = 0;
346 flags = DB_THREAD | bdb->bi_db_opflags;
348 #ifdef DB_AUTO_COMMIT
350 flags |= DB_AUTO_COMMIT;
353 bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
354 BDB_INDICES * sizeof(struct bdb_db_info *) );
356 /* open (and create) main database */
357 for( i = 0; bdbi_databases[i].name; i++ ) {
358 struct bdb_db_info *db;
360 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
362 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
364 Debug( LDAP_DEBUG_ANY,
365 LDAP_XSTRING(bdb_db_open) ": db_create(%s) failed: %s (%d)\n",
366 bdb->bi_dbenv_home, db_strerror(rc), rc );
370 if( i == BDB_ID2ENTRY ) {
371 if ( slapMode & SLAP_TOOL_MODE )
372 db->bdi_db->mpf->set_priority( db->bdi_db->mpf,
373 DB_PRIORITY_VERY_LOW );
375 rc = db->bdi_db->set_pagesize( db->bdi_db,
376 BDB_ID2ENTRY_PAGESIZE );
377 if ( slapMode & SLAP_TOOL_READMAIN ) {
383 rc = db->bdi_db->set_flags( db->bdi_db,
384 DB_DUP | DB_DUPSORT );
386 if ( slapMode & SLAP_TOOL_READONLY ) {
392 if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
398 rc = db->bdi_db->set_pagesize( db->bdi_db,
403 strcpy( path, bdbi_databases[i].file );
405 rc = DB_OPEN( db->bdi_db,
407 /* bdbi_databases[i].name, */ NULL,
408 bdbi_databases[i].type,
409 bdbi_databases[i].flags | flags,
410 bdb->bi_dbenv_mode );
412 rc = DB_OPEN( db->bdi_db,
413 bdbi_databases[i].file,
414 /* bdbi_databases[i].name, */ NULL,
415 bdbi_databases[i].type,
416 bdbi_databases[i].flags | flags,
417 bdb->bi_dbenv_mode );
421 char buf[SLAP_TEXT_BUFLEN];
423 snprintf( buf, sizeof(buf), "%s/%s",
424 bdb->bi_dbenv_home, bdbi_databases[i].file );
425 Debug( LDAP_DEBUG_ANY,
426 LDAP_XSTRING(bdb_db_open) ": db_open(%s) failed: %s (%d)\n",
427 buf, db_strerror(rc), rc );
428 db->bdi_db->close( db->bdi_db, 0 );
432 flags &= ~(DB_CREATE | DB_RDONLY);
433 db->bdi_name = bdbi_databases[i].name;
434 bdb->bi_databases[i] = db;
437 bdb->bi_databases[i] = NULL;
438 bdb->bi_ndatabases = i;
441 rc = bdb_last_id( be, NULL );
443 Debug( LDAP_DEBUG_ANY,
444 LDAP_XSTRING(bdb_db_open) ": last_id(%s) failed: %s (%d)\n",
445 bdb->bi_dbenv_home, db_strerror(rc), rc );
450 XLOCK_ID(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
453 entry_prealloc( bdb->bi_cache.c_maxsize );
454 attr_prealloc( bdb->bi_cache.c_maxsize * 20 );
456 /* setup for empty-DN contexts */
457 if ( BER_BVISEMPTY( &be->be_nsuffix[0] )) {
458 rc = bdb_id2entry( be, NULL, 0, 0, &e );
463 ber_dupbv( &e->e_name, (struct berval *)&slap_empty_bv );
464 ber_dupbv( &e->e_nname, (struct berval *)&slap_empty_bv );
466 e->e_ocflags = SLAP_OC_GLUE|SLAP_OC__END;
467 e->e_private = &bdb->bi_cache.c_dntree;
468 bdb->bi_cache.c_dntree.bei_e = e;
471 rc = bdb_monitor_db_open( be );
476 bdb->bi_flags |= BDB_IS_OPEN;
481 bdb_db_close( be, NULL );
486 bdb_db_close( BackendDB *be, ConfigReply *cr )
489 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
490 struct bdb_db_info *db;
491 bdb_idl_cache_entry_t *entry, *next_entry;
493 /* monitor handling */
494 (void)bdb_monitor_db_close( be );
497 Entry *e = bdb->bi_cache.c_dntree.bei_e;
499 bdb->bi_cache.c_dntree.bei_e = NULL;
501 bdb_entry_return( e );
505 bdb->bi_flags &= ~BDB_IS_OPEN;
507 ber_bvarray_free( bdb->bi_db_config );
508 bdb->bi_db_config = NULL;
510 while( bdb->bi_databases && bdb->bi_ndatabases-- ) {
511 db = bdb->bi_databases[bdb->bi_ndatabases];
512 rc = db->bdi_db->close( db->bdi_db, 0 );
513 /* Lower numbered names are not strdup'd */
514 if( bdb->bi_ndatabases >= BDB_NDB )
515 free( db->bdi_name );
518 free( bdb->bi_databases );
519 bdb->bi_databases = NULL;
521 bdb_cache_release_all (&bdb->bi_cache);
523 if ( bdb->bi_idl_cache_size ) {
524 avl_free( bdb->bi_idl_tree, NULL );
525 bdb->bi_idl_tree = NULL;
526 entry = bdb->bi_idl_lru_head;
528 next_entry = entry->idl_lru_next;
531 free( entry->kstr.bv_val );
534 } while ( entry != bdb->bi_idl_lru_head );
535 bdb->bi_idl_lru_head = bdb->bi_idl_lru_tail = NULL;
538 /* close db environment */
539 if( bdb->bi_dbenv ) {
540 /* Free cache locker if we enabled locking */
541 if ( !( slapMode & SLAP_TOOL_QUICK )) {
542 XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
543 bdb->bi_cache.c_locker = 0;
545 #ifdef BDB_REUSE_LOCKERS
546 bdb_locker_flush( bdb->bi_dbenv );
548 /* force a checkpoint, but not if we were ReadOnly,
549 * and not in Quick mode since there are no transactions there.
551 if ( !( slapMode & ( SLAP_TOOL_QUICK|SLAP_TOOL_READONLY ))) {
552 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
554 Debug( LDAP_DEBUG_ANY,
555 "bdb_db_close: txn_checkpoint failed: %s (%d)\n",
556 db_strerror(rc), rc, 0 );
560 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
561 bdb->bi_dbenv = NULL;
563 Debug( LDAP_DEBUG_ANY,
564 "bdb_db_close: close failed: %s (%d)\n",
565 db_strerror(rc), rc, 0 );
570 rc = alock_close( &bdb->bi_alock_info );
572 Debug( LDAP_DEBUG_ANY,
573 "bdb_db_close: alock_close failed\n", 0, 0, 0 );
581 bdb_db_destroy( BackendDB *be, ConfigReply *cr )
583 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
585 /* monitor handling */
586 (void)bdb_monitor_db_destroy( be );
588 if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
589 if( bdb->bi_db_config_path ) ch_free( bdb->bi_db_config_path );
591 bdb_attr_index_destroy( bdb );
593 ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
594 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_lru_mutex );
595 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_count_mutex );
596 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_eifree_mutex );
597 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
599 ldap_pvt_thread_mutex_destroy( &bdb->bi_modrdns_mutex );
601 ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
602 ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
603 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
604 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
607 be->be_private = NULL;
618 static char *controls[] = {
620 LDAP_CONTROL_MANAGEDSAIT,
622 LDAP_CONTROL_PAGEDRESULTS,
623 LDAP_CONTROL_PRE_READ,
624 LDAP_CONTROL_POST_READ,
625 LDAP_CONTROL_SUBENTRIES,
626 LDAP_CONTROL_X_PERMISSIVE_MODIFY,
628 LDAP_CONTROL_X_TXN_SPEC,
633 /* initialize the underlying database system */
634 Debug( LDAP_DEBUG_TRACE,
635 LDAP_XSTRING(bdb_back_initialize) ": initialize "
636 BDB_UCTYPE " backend\n", 0, 0, 0 );
639 SLAP_BFLAG_INCREMENT |
640 SLAP_BFLAG_SUBENTRIES |
642 SLAP_BFLAG_REFERRALS;
644 bi->bi_controls = controls;
646 { /* version check */
647 int major, minor, patch, ver;
648 char *version = db_version( &major, &minor, &patch );
652 /* All our stdio does an ASCII to EBCDIC conversion on
653 * the output. Strings from the BDB library are already
654 * in EBCDIC; we have to go back and forth...
656 strcpy( v2, version );
661 ver = (major << 24) | (minor << 16) | patch;
662 if( ver != DB_VERSION_FULL ) {
663 /* fail if a versions don't match */
664 Debug( LDAP_DEBUG_ANY,
665 LDAP_XSTRING(bdb_back_initialize) ": "
666 "BDB library version mismatch:"
667 " expected " DB_VERSION_STRING ","
668 " got %s\n", version, 0, 0 );
672 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_back_initialize)
673 ": %s\n", version, 0, 0 );
676 db_env_set_func_free( ber_memfree );
677 db_env_set_func_malloc( (db_malloc *)ber_memalloc );
678 db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
680 /* This is a no-op on a NO_THREAD build. Leave the default
681 * alone so that BDB will sleep on interprocess conflicts.
683 db_env_set_func_yield( ldap_pvt_thread_yield );
691 bi->bi_db_init = bdb_db_init;
692 bi->bi_db_config = config_generic_wrapper;
693 bi->bi_db_open = bdb_db_open;
694 bi->bi_db_close = bdb_db_close;
695 bi->bi_db_destroy = bdb_db_destroy;
697 bi->bi_op_add = bdb_add;
698 bi->bi_op_bind = bdb_bind;
699 bi->bi_op_compare = bdb_compare;
700 bi->bi_op_delete = bdb_delete;
701 bi->bi_op_modify = bdb_modify;
702 bi->bi_op_modrdn = bdb_modrdn;
703 bi->bi_op_search = bdb_search;
705 bi->bi_op_unbind = 0;
707 bi->bi_extended = bdb_extended;
709 bi->bi_chk_referrals = bdb_referrals;
710 bi->bi_operational = bdb_operational;
711 bi->bi_has_subordinates = bdb_hasSubordinates;
712 bi->bi_entry_release_rw = bdb_entry_release;
713 bi->bi_entry_get_rw = bdb_entry_get;
716 * hooks for slap tools
718 bi->bi_tool_entry_open = bdb_tool_entry_open;
719 bi->bi_tool_entry_close = bdb_tool_entry_close;
720 bi->bi_tool_entry_first = bdb_tool_entry_next;
721 bi->bi_tool_entry_next = bdb_tool_entry_next;
722 bi->bi_tool_entry_get = bdb_tool_entry_get;
723 bi->bi_tool_entry_put = bdb_tool_entry_put;
724 bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
725 bi->bi_tool_sync = 0;
726 bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
727 bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
728 bi->bi_tool_entry_modify = bdb_tool_entry_modify;
730 bi->bi_connection_init = 0;
731 bi->bi_connection_destroy = 0;
733 rc = bdb_back_init_cf( bi );
738 #if (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
739 (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
741 /* conditionally define the init_module() function */
743 SLAP_BACKEND_INIT_MODULE( hdb )
744 #else /* !BDB_HIER */
745 SLAP_BACKEND_INIT_MODULE( bdb )
746 #endif /* !BDB_HIER */
748 #endif /* SLAPD_[BH]DB == SLAPD_MOD_DYNAMIC */