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 #include "alock.h"
  28
  29 static const struct bdbi_database {
  30         char *file;
  31         char *name;
  32         int type;
  33         int flags;
  34 } bdbi_databases[] = {
  35         { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
  36         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  37         { NULL, NULL, 0, 0 }
  38 };
  39
  40 typedef void * db_malloc(size_t);
  41 typedef void * db_realloc(void *, size_t);
  42
  43 static int
  44 bdb_db_init( BackendDB *be )
  45 {
  46         struct bdb_info *bdb;
  47
  48         Debug( LDAP_DEBUG_TRACE,
  49                 LDAP_XSTRING(bdb_db_init) ": Initializing " BDB_UCTYPE " database\n",
  50                 0, 0, 0 );
  51
  52         /* allocate backend-database-specific stuff */
  53         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  54
  55         /* DBEnv parameters */
  56         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  57         bdb->bi_dbenv_xflags = 0;
  58         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  59
  60         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  61
  62         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  63         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
  64         bdb->bi_search_stack = NULL;
  65
  66         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
  67         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
  68         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
  69         ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
  70         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
  71
  72         be->be_private = bdb;
  73         be->be_cf_table = be->bd_info->bi_cf_table;
  74
  75         return 0;
  76 }
  77
  78 static void *
  79 bdb_checkpoint( void *ctx, void *arg )
  80 {
  81         struct re_s *rtask = arg;
  82         struct bdb_info *bdb = rtask->arg;
  83
  84         TXN_CHECKPOINT( bdb->bi_dbenv, bdb->bi_txn_cp_kbyte,
  85                 bdb->bi_txn_cp_min, 0 );
  86         return NULL;
  87 }
  88
  89 static int
  90 bdb_db_open( BackendDB *be )
  91 {
  92         int rc, i;
  93         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  94         u_int32_t flags;
  95 #ifdef HAVE_EBCDIC
  96         char path[MAXPATHLEN];
  97 #endif
  98
  99         Debug( LDAP_DEBUG_ARGS,
 100                 "bdb_db_open: %s\n",
 101                 be->be_suffix[0].bv_val, 0, 0 );
 102
 103 #ifndef BDB_MULTIPLE_SUFFIXES
 104         if ( be->be_suffix[1].bv_val ) {
 105         Debug( LDAP_DEBUG_ANY,
 106                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 107                 return -1;
 108         }
 109 #endif
 110         /* we should check existance of dbenv_home and db_directory */
 111
 112         rc = db_env_create( &bdb->bi_dbenv, 0 );
 113         if( rc != 0 ) {
 114                 Debug( LDAP_DEBUG_ANY,
 115                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 116                         db_strerror(rc), rc, 0 );
 117                 return rc;
 118         }
 119
 120         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE;
 121
 122         if ( !( slapMode & SLAP_TOOL_QUICK ))
 123                 flags |= DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 124
 125         rc = alock_open( &bdb->bi_alock_info, "slapd", bdb->bi_dbenv_home,
 126                 slapMode & SLAP_TOOL_READONLY ?  ALOCK_LOCKED : ALOCK_UNIQUE );
 127         if( rc == ALOCK_RECOVER ) {
 128                 Debug( LDAP_DEBUG_ANY,
 129                         "bdb_db_open: alock_open: recovery required\n", 0, 0, 0 );
 130                 flags |= DB_RECOVER;
 131         } else if( rc == ALOCK_BUSY ) {
 132                 Debug( LDAP_DEBUG_ANY,
 133                    "bdb_db_open: alock_open: database in use\n", 0, 0, 0 );
 134                 return -1;
 135         } else if( rc != ALOCK_CLEAN ) {
 136                 Debug( LDAP_DEBUG_ANY,
 137                    "bdb_db_open: alock_open: database unstable\n", 0, 0, 0 );
 138                 return -1;
 139         }
 140
 141         /* If a key was set, use shared memory for the BDB environment */
 142         if ( bdb->bi_shm_key ) {
 143                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 144                 flags |= DB_SYSTEM_MEM;
 145         }
 146
 147         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 148         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 149         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 150
 151         /* One long-lived TXN per thread, two TXNs per write op */
 152         bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv, connection_pool_max * 3 );
 153
 154 #ifdef SLAP_ZONE_ALLOC
 155         if ( bdb->bi_cache.c_maxsize ) {
 156                 bdb->bi_cache.c_zctx = slap_zn_mem_create(
 157                                                                 SLAP_ZONE_INITSIZE,
 158                                                                 SLAP_ZONE_MAXSIZE,
 159                                                                 SLAP_ZONE_DELTA,
 160                                                                 SLAP_ZONE_SIZE);
 161         }
 162 #endif
 163
 164         if ( bdb->bi_idl_cache_max_size ) {
 165                 bdb->bi_idl_tree = NULL;
 166                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 167                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 168                 bdb->bi_idl_cache_size = 0;
 169         }
 170
 171 #ifdef BDB_SUBDIRS
 172         {
 173                 char dir[MAXPATHLEN], *ptr;
 174
 175                 if (bdb->bi_dbenv_home[0] == '.') {
 176                         /* If home is a relative path, relative subdirs
 177                          * are just concat'd by BDB. We don't want the
 178                          * path to be concat'd twice, e.g.
 179                          * ./test-db/./test-db/tmp
 180                          */
 181                         ptr = dir;
 182                 } else {
 183                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 184                         *ptr++ = LDAP_DIRSEP[0];
 185 #ifdef HAVE_EBCDIC
 186                         __atoe( dir );
 187 #endif
 188                 }
 189
 190                 strcpy( ptr, BDB_TMP_SUBDIR );
 191 #ifdef HAVE_EBCDIC
 192                 __atoe( ptr );
 193 #endif
 194                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 195                 if( rc != 0 ) {
 196                         Debug( LDAP_DEBUG_ANY,
 197                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 198                                 dir, db_strerror(rc), rc );
 199                         return rc;
 200                 }
 201
 202                 strcpy( ptr, BDB_LG_SUBDIR );
 203 #ifdef HAVE_EBCDIC
 204                 __atoe( ptr );
 205 #endif
 206                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 207                 if( rc != 0 ) {
 208                         Debug( LDAP_DEBUG_ANY,
 209                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 210                                 dir, db_strerror(rc), rc );
 211                         return rc;
 212                 }
 213
 214                 strcpy( ptr, BDB_DATA_SUBDIR );
 215 #ifdef HAVE_EBCDIC
 216                 __atoe( ptr );
 217 #endif
 218                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 219                 if( rc != 0 ) {
 220                         Debug( LDAP_DEBUG_ANY,
 221                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 222                                 dir, db_strerror(rc), rc );
 223                         return rc;
 224                 }
 225         }
 226 #endif
 227
 228         if( bdb->bi_dbenv_xflags != 0 ) {
 229                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 230                         bdb->bi_dbenv_xflags, 1);
 231                 if( rc != 0 ) {
 232                         Debug( LDAP_DEBUG_ANY,
 233                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 234                                 db_strerror(rc), rc, 0 );
 235                         return rc;
 236                 }
 237         }
 238
 239         Debug( LDAP_DEBUG_TRACE,
 240                 "bdb_db_open: dbenv_open(%s)\n",
 241                 bdb->bi_dbenv_home, 0, 0);
 242
 243 #ifdef HAVE_EBCDIC
 244         strcpy( path, bdb->bi_dbenv_home );
 245         __atoe( path );
 246         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 247                 path,
 248                 flags,
 249                 bdb->bi_dbenv_mode );
 250 #else
 251         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 252                 bdb->bi_dbenv_home,
 253                 flags,
 254                 bdb->bi_dbenv_mode );
 255 #endif
 256         if( rc != 0 ) {
 257                 Debug( LDAP_DEBUG_ANY,
 258                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 259                         db_strerror(rc), rc, 0 );
 260                 return rc;
 261         }
 262         if( flags & DB_RECOVER ) {
 263                 rc = alock_recover (&bdb->bi_alock_info);
 264                 if( rc != 0 ) {
 265                         Debug( LDAP_DEBUG_ANY,
 266                            "bdb_db_open: unable to alock_recover\n", 0, 0, 0 );
 267                         return -1;
 268                 }
 269         }
 270
 271         flags = DB_THREAD | bdb->bi_db_opflags;
 272
 273 #ifdef DB_AUTO_COMMIT
 274         if ( !( slapMode & SLAP_TOOL_QUICK ))
 275                 flags |= DB_AUTO_COMMIT;
 276 #endif
 277
 278         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 279                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 280
 281         /* open (and create) main database */
 282         for( i = 0; bdbi_databases[i].name; i++ ) {
 283                 struct bdb_db_info *db;
 284
 285                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 286
 287                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 288                 if( rc != 0 ) {
 289                         Debug( LDAP_DEBUG_ANY,
 290                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 291                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 292                         return rc;
 293                 }
 294
 295                 if( i == BDB_ID2ENTRY ) {
 296                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 297                                 BDB_ID2ENTRY_PAGESIZE );
 298                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 299                                 flags |= DB_RDONLY;
 300                         } else {
 301                                 flags |= DB_CREATE;
 302                         }
 303                 } else {
 304                         rc = db->bdi_db->set_flags( db->bdi_db,
 305                                 DB_DUP | DB_DUPSORT );
 306 #ifndef BDB_HIER
 307                         if ( slapMode & SLAP_TOOL_READONLY ) {
 308                                 flags |= DB_RDONLY;
 309                         } else {
 310                                 flags |= DB_CREATE;
 311                         }
 312 #else
 313                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 314                                 flags |= DB_RDONLY;
 315                         } else {
 316                                 flags |= DB_CREATE;
 317                         }
 318 #endif
 319                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 320                                 BDB_PAGESIZE );
 321                 }
 322
 323 #ifdef HAVE_EBCDIC
 324                 strcpy( path, bdbi_databases[i].file );
 325                 __atoe( path );
 326                 rc = DB_OPEN( db->bdi_db,
 327                         path,
 328                 /*      bdbi_databases[i].name, */ NULL,
 329                         bdbi_databases[i].type,
 330                         bdbi_databases[i].flags | flags,
 331                         bdb->bi_dbenv_mode );
 332 #else
 333                 rc = DB_OPEN( db->bdi_db,
 334                         bdbi_databases[i].file,
 335                 /*      bdbi_databases[i].name, */ NULL,
 336                         bdbi_databases[i].type,
 337                         bdbi_databases[i].flags | flags,
 338                         bdb->bi_dbenv_mode );
 339 #endif
 340
 341                 if ( rc != 0 ) {
 342                         char    buf[SLAP_TEXT_BUFLEN];
 343
 344                         snprintf( buf, sizeof(buf), "%s/%s",
 345                                 bdb->bi_dbenv_home, bdbi_databases[i].file );
 346                         Debug( LDAP_DEBUG_ANY,
 347                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 348                                 buf, db_strerror(rc), rc );
 349                         return rc;
 350                 }
 351
 352                 flags &= ~(DB_CREATE | DB_RDONLY);
 353                 db->bdi_name = bdbi_databases[i].name;
 354                 bdb->bi_databases[i] = db;
 355         }
 356
 357         bdb->bi_databases[i] = NULL;
 358         bdb->bi_ndatabases = i;
 359
 360         /* get nextid */
 361         rc = bdb_last_id( be, NULL );
 362         if( rc != 0 ) {
 363                 Debug( LDAP_DEBUG_ANY,
 364                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 365                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 366                 return rc;
 367         }
 368
 369         if ( !( slapMode & SLAP_TOOL_QUICK )) {
 370                 XLOCK_ID(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
 371         }
 372
 373         /* If we're in server mode and time-based checkpointing is enabled,
 374          * submit a task to perform periodic checkpoints.
 375          */
 376         if ( slapMode & SLAP_SERVER_MODE && bdb->bi_txn_cp &&
 377                 bdb->bi_txn_cp_min )  {
 378                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 379                 ldap_pvt_runqueue_insert( &slapd_rq, bdb->bi_txn_cp_min*60,
 380                         bdb_checkpoint, bdb );
 381                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 382         }
 383
 384         return 0;
 385 }
 386
 387 static int
 388 bdb_db_close( BackendDB *be )
 389 {
 390         int rc;
 391         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 392         struct bdb_db_info *db;
 393         bdb_idl_cache_entry_t *entry, *next_entry;
 394
 395         while( bdb->bi_ndatabases-- ) {
 396                 db = bdb->bi_databases[bdb->bi_ndatabases];
 397                 rc = db->bdi_db->close( db->bdi_db, 0 );
 398                 /* Lower numbered names are not strdup'd */
 399                 if( bdb->bi_ndatabases >= BDB_NDB )
 400                         free( db->bdi_name );
 401                 free( db );
 402         }
 403         free( bdb->bi_databases );
 404         bdb_attr_index_destroy( bdb->bi_attrs );
 405
 406         bdb_cache_release_all (&bdb->bi_cache);
 407
 408         if ( bdb->bi_idl_cache_max_size ) {
 409                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 410                 avl_free( bdb->bi_idl_tree, NULL );
 411                 entry = bdb->bi_idl_lru_head;
 412                 while ( entry != NULL ) {
 413                         next_entry = entry->idl_lru_next;
 414                         if ( entry->idl )
 415                                 free( entry->idl );
 416                         free( entry->kstr.bv_val );
 417                         free( entry );
 418                         entry = next_entry;
 419                 }
 420                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 421         }
 422
 423         if ( !( slapMode & SLAP_TOOL_QUICK )) {
 424                 XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
 425         }
 426
 427         return 0;
 428 }
 429
 430 static int
 431 bdb_db_destroy( BackendDB *be )
 432 {
 433         int rc;
 434         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 435
 436         /* close db environment */
 437         if( bdb->bi_dbenv ) {
 438                 /* force a checkpoint */
 439                 if ( !( slapMode & SLAP_TOOL_QUICK )) {
 440                         rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 441                         if( rc != 0 ) {
 442                                 Debug( LDAP_DEBUG_ANY,
 443                                         "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 444                                         db_strerror(rc), rc, 0 );
 445                         }
 446                 }
 447
 448                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 449                 bdb->bi_dbenv = NULL;
 450                 if( rc != 0 ) {
 451                         Debug( LDAP_DEBUG_ANY,
 452                                 "bdb_db_destroy: close failed: %s (%d)\n",
 453                                 db_strerror(rc), rc, 0 );
 454                         return rc;
 455                 }
 456         }
 457
 458         rc = alock_close( &bdb->bi_alock_info );
 459         if( rc != 0 ) {
 460                 Debug( LDAP_DEBUG_ANY,
 461                         "bdb_db_destroy: alock_close failed\n", 0, 0, 0 );
 462                 return -1;
 463         }
 464
 465         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 466
 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_cache.c_dntree.bei_kids_mutex );
 470         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 471         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 472         if ( bdb->bi_idl_cache_max_size ) {
 473                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 474                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 475         }
 476
 477         ch_free( bdb );
 478         be->be_private = NULL;
 479
 480         return 0;
 481 }
 482
 483 int
 484 bdb_back_initialize(
 485         BackendInfo     *bi )
 486 {
 487         int rc;
 488
 489         static char *controls[] = {
 490                 LDAP_CONTROL_ASSERT,
 491                 LDAP_CONTROL_MANAGEDSAIT,
 492                 LDAP_CONTROL_NOOP,
 493                 LDAP_CONTROL_PAGEDRESULTS,
 494 #ifdef LDAP_CONTROL_SUBENTRIES
 495                 LDAP_CONTROL_SUBENTRIES,
 496 #endif
 497 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
 498                 LDAP_CONTROL_X_PERMISSIVE_MODIFY,
 499 #endif
 500                 NULL
 501         };
 502
 503         /* initialize the underlying database system */
 504         Debug( LDAP_DEBUG_TRACE,
 505                 LDAP_XSTRING(bdb_back_initialize) ": initialize "
 506                 BDB_UCTYPE " backend\n", 0, 0, 0 );
 507
 508         bi->bi_flags |=
 509                 SLAP_BFLAG_INCREMENT |
 510 #ifdef BDB_SUBENTRIES
 511                 SLAP_BFLAG_SUBENTRIES |
 512 #endif
 513                 SLAP_BFLAG_ALIASES |
 514                 SLAP_BFLAG_REFERRALS;
 515
 516         bi->bi_controls = controls;
 517
 518         {       /* version check */
 519                 int major, minor, patch, ver;
 520                 char *version = db_version( &major, &minor, &patch );
 521 #ifdef HAVE_EBCDIC
 522                 char v2[1024];
 523
 524                 /* All our stdio does an ASCII to EBCDIC conversion on
 525                  * the output. Strings from the BDB library are already
 526                  * in EBCDIC; we have to go back and forth...
 527                  */
 528                 strcpy( v2, version );
 529                 __etoa( v2 );
 530                 version = v2;
 531 #endif
 532
 533                 ver = (major << 24) | (minor << 16) | patch;
 534                 if( ver != DB_VERSION_FULL ) {
 535                         /* fail if a versions don't match */
 536                         Debug( LDAP_DEBUG_ANY,
 537                                 LDAP_XSTRING(bdb_back_initialize) ": "
 538                                 "BDB library version mismatch:"
 539                                 " expected " DB_VERSION_STRING ","
 540                                 " got %s\n", version, 0, 0 );
 541                         return -1;
 542                 }
 543
 544                 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_back_initialize)
 545                         ": %s\n", version, 0, 0 );
 546         }
 547
 548         db_env_set_func_free( ber_memfree );
 549         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 550         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 551 #ifndef NO_THREAD
 552         /* This is a no-op on a NO_THREAD build. Leave the default
 553          * alone so that BDB will sleep on interprocess conflicts.
 554          */
 555         db_env_set_func_yield( ldap_pvt_thread_yield );
 556 #endif
 557
 558         bi->bi_open = 0;
 559         bi->bi_close = 0;
 560         bi->bi_config = 0;
 561         bi->bi_destroy = 0;
 562
 563         bi->bi_db_init = bdb_db_init;
 564         bi->bi_db_config = config_generic_wrapper;
 565         bi->bi_db_open = bdb_db_open;
 566         bi->bi_db_close = bdb_db_close;
 567         bi->bi_db_destroy = bdb_db_destroy;
 568
 569         bi->bi_op_add = bdb_add;
 570         bi->bi_op_bind = bdb_bind;
 571         bi->bi_op_compare = bdb_compare;
 572         bi->bi_op_delete = bdb_delete;
 573         bi->bi_op_modify = bdb_modify;
 574         bi->bi_op_modrdn = bdb_modrdn;
 575         bi->bi_op_search = bdb_search;
 576
 577         bi->bi_op_unbind = 0;
 578
 579         bi->bi_extended = bdb_extended;
 580
 581         bi->bi_chk_referrals = bdb_referrals;
 582         bi->bi_operational = bdb_operational;
 583         bi->bi_has_subordinates = bdb_hasSubordinates;
 584         bi->bi_entry_release_rw = bdb_entry_release;
 585         bi->bi_entry_get_rw = bdb_entry_get;
 586
 587         /*
 588          * hooks for slap tools
 589          */
 590         bi->bi_tool_entry_open = bdb_tool_entry_open;
 591         bi->bi_tool_entry_close = bdb_tool_entry_close;
 592         bi->bi_tool_entry_first = bdb_tool_entry_next;
 593         bi->bi_tool_entry_next = bdb_tool_entry_next;
 594         bi->bi_tool_entry_get = bdb_tool_entry_get;
 595         bi->bi_tool_entry_put = bdb_tool_entry_put;
 596         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 597         bi->bi_tool_sync = 0;
 598         bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
 599         bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
 600         bi->bi_tool_entry_modify = bdb_tool_entry_modify;
 601
 602         bi->bi_connection_init = 0;
 603         bi->bi_connection_destroy = 0;
 604
 605         rc = bdb_back_init_cf(bi);
 606
 607         return rc;
 608 }
 609
 610 #if     (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
 611         (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
 612
 613 /* conditionally define the init_module() function */
 614 #ifdef BDB_HIER
 615 SLAP_BACKEND_INIT_MODULE( hdb )
 616 #else /* !BDB_HIER */
 617 SLAP_BACKEND_INIT_MODULE( bdb )
 618 #endif /* !BDB_HIER */
 619
 620 #endif /* SLAPD_[BH]DB == SLAPD_MOD_DYNAMIC */
 621