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 2000-2004 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 struct berval bdb_uuid = BER_BVNULL;
  40
  41 typedef void * db_malloc(size_t);
  42 typedef void * db_realloc(void *, size_t);
  43
  44 #if 0
  45 static int
  46 bdb_open( BackendInfo *bi )
  47 {
  48         return 0;
  49 }
  50
  51 static int
  52 bdb_destroy( BackendInfo *bi )
  53 {
  54         return 0;
  55 }
  56
  57 static int
  58 bdb_close( BackendInfo *bi )
  59 {
  60         /* terminate the underlying database system */
  61         return 0;
  62 }
  63 #endif
  64
  65 static int
  66 bdb_db_init( BackendDB *be )
  67 {
  68         struct bdb_info *bdb;
  69
  70         Debug( LDAP_DEBUG_ANY,
  71                 LDAP_XSTRING(bdb_db_init) ": Initializing "
  72                 BDB_UCTYPE " database\n", 0, 0, 0 );
  73
  74         /* allocate backend-database-specific stuff */
  75         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  76
  77         /* DBEnv parameters */
  78         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  79         bdb->bi_dbenv_xflags = 0;
  80         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  81
  82         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  83
  84         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  85         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
  86         bdb->bi_search_stack = NULL;
  87
  88 #ifdef BDB_PSEARCH
  89         LDAP_LIST_INIT (&bdb->bi_psearch_list);
  90         ldap_pvt_thread_rdwr_init ( &bdb->bi_pslist_rwlock );
  91 #endif
  92
  93         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
  94         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
  95         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
  96         ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
  97         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
  98
  99         be->be_private = bdb;
 100
 101         return 0;
 102 }
 103
 104 int
 105 bdb_bt_compare(
 106         DB *db,
 107         const DBT *usrkey,
 108         const DBT *curkey )
 109 {
 110         unsigned char *u, *c;
 111         int i, x;
 112
 113         u = usrkey->data;
 114         c = curkey->data;
 115
 116 #ifdef WORDS_BIGENDIAN
 117         for( i = 0; i < (int)sizeof(ID); i++)
 118 #else
 119         for( i = sizeof(ID)-1; i >= 0; i--)
 120 #endif
 121         {
 122                 x = u[i] - c[i];
 123                 if( x ) return x;
 124         }
 125
 126         return 0;
 127 }
 128
 129 static void *
 130 bdb_checkpoint( void *ctx, void *arg )
 131 {
 132         struct re_s *rtask = arg;
 133         struct bdb_info *bdb = rtask->arg;
 134
 135         TXN_CHECKPOINT( bdb->bi_dbenv, bdb->bi_txn_cp_kbyte,
 136                 bdb->bi_txn_cp_min, 0 );
 137         return NULL;
 138 }
 139
 140 static int
 141 bdb_db_open( BackendDB *be )
 142 {
 143         int rc, i;
 144         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 145         u_int32_t flags;
 146 #ifdef HAVE_EBCDIC
 147         char path[MAXPATHLEN];
 148 #endif
 149
 150         Debug( LDAP_DEBUG_ARGS,
 151                 "bdb_db_open: %s\n",
 152                 be->be_suffix[0].bv_val, 0, 0 );
 153
 154 #ifndef BDB_MULTIPLE_SUFFIXES
 155         if ( be->be_suffix[1].bv_val ) {
 156         Debug( LDAP_DEBUG_ANY,
 157                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 158                 return -1;
 159         }
 160 #endif
 161         /* we should check existance of dbenv_home and db_directory */
 162
 163         rc = db_env_create( &bdb->bi_dbenv, 0 );
 164         if( rc != 0 ) {
 165                 Debug( LDAP_DEBUG_ANY,
 166                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 167                         db_strerror(rc), rc, 0 );
 168                 return rc;
 169         }
 170
 171         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 172                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 173
 174 #if 0
 175         /* Never do automatic recovery, must perform it manually.
 176          * Otherwise restarting with gentlehup will corrupt the
 177          * database.
 178          */
 179         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 180 #endif
 181
 182         /* If a key was set, use shared memory for the BDB environment */
 183         if ( bdb->bi_shm_key ) {
 184                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 185                 flags |= DB_SYSTEM_MEM;
 186         }
 187
 188         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 189         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 190         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 191
 192         /* One long-lived TXN per thread, two TXNs per write op */
 193         bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv, connection_pool_max * 3 );
 194
 195         if ( bdb->bi_idl_cache_max_size ) {
 196                 bdb->bi_idl_tree = NULL;
 197                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 198                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 199                 bdb->bi_idl_cache_size = 0;
 200         }
 201
 202 #ifdef BDB_SUBDIRS
 203         {
 204                 char dir[MAXPATHLEN], *ptr;
 205
 206                 if (bdb->bi_dbenv_home[0] == '.') {
 207                         /* If home is a relative path, relative subdirs
 208                          * are just concat'd by BDB. We don't want the
 209                          * path to be concat'd twice, e.g.
 210                          * ./test-db/./test-db/tmp
 211                          */
 212                         ptr = dir;
 213                 } else {
 214                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 215                         *ptr++ = LDAP_DIRSEP[0];
 216 #ifdef HAVE_EBCDIC
 217                         __atoe( dir );
 218 #endif
 219                 }
 220
 221                 strcpy( ptr, BDB_TMP_SUBDIR );
 222 #ifdef HAVE_EBCDIC
 223                 __atoe( ptr );
 224 #endif
 225                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 226                 if( rc != 0 ) {
 227                         Debug( LDAP_DEBUG_ANY,
 228                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 229                                 dir, db_strerror(rc), rc );
 230                         return rc;
 231                 }
 232
 233                 strcpy( ptr, BDB_LG_SUBDIR );
 234 #ifdef HAVE_EBCDIC
 235                 __atoe( ptr );
 236 #endif
 237                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 238                 if( rc != 0 ) {
 239                         Debug( LDAP_DEBUG_ANY,
 240                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 241                                 dir, db_strerror(rc), rc );
 242                         return rc;
 243                 }
 244
 245                 strcpy( ptr, BDB_DATA_SUBDIR );
 246 #ifdef HAVE_EBCDIC
 247                 __atoe( ptr );
 248 #endif
 249                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 250                 if( rc != 0 ) {
 251                         Debug( LDAP_DEBUG_ANY,
 252                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 253                                 dir, db_strerror(rc), rc );
 254                         return rc;
 255                 }
 256         }
 257 #endif
 258
 259         if( bdb->bi_dbenv_xflags != 0 ) {
 260                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 261                         bdb->bi_dbenv_xflags, 1);
 262                 if( rc != 0 ) {
 263                         Debug( LDAP_DEBUG_ANY,
 264                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 265                                 db_strerror(rc), rc, 0 );
 266                         return rc;
 267                 }
 268         }
 269
 270         Debug( LDAP_DEBUG_TRACE,
 271                 "bdb_db_open: dbenv_open(%s)\n",
 272                 bdb->bi_dbenv_home, 0, 0);
 273
 274 #ifdef HAVE_EBCDIC
 275         strcpy( path, bdb->bi_dbenv_home );
 276         __atoe( path );
 277         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 278                 path,
 279                 flags,
 280                 bdb->bi_dbenv_mode );
 281 #else
 282         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 283                 bdb->bi_dbenv_home,
 284                 flags,
 285                 bdb->bi_dbenv_mode );
 286 #endif
 287         if( rc != 0 ) {
 288                 Debug( LDAP_DEBUG_ANY,
 289                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 290                         db_strerror(rc), rc, 0 );
 291                 return rc;
 292         }
 293
 294         flags = DB_THREAD | bdb->bi_db_opflags;
 295
 296         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 297                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 298
 299         /* open (and create) main database */
 300         for( i = 0; bdbi_databases[i].name; i++ ) {
 301                 struct bdb_db_info *db;
 302
 303                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 304
 305                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 306                 if( rc != 0 ) {
 307                         Debug( LDAP_DEBUG_ANY,
 308                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 309                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 310                         return rc;
 311                 }
 312
 313                 if( i == BDB_ID2ENTRY ) {
 314 #if 0
 315                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 316                                 bdb_bt_compare );
 317 #endif
 318                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 319                                 BDB_ID2ENTRY_PAGESIZE );
 320                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 321                                 flags |= DB_RDONLY;
 322                         } else {
 323                                 flags |= DB_CREATE;
 324                         }
 325                 } else {
 326                         rc = db->bdi_db->set_flags( db->bdi_db,
 327                                 DB_DUP | DB_DUPSORT );
 328 #ifndef BDB_HIER
 329 #if 0
 330                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 331                                 bdb_bt_compare );
 332 #endif
 333                         if ( slapMode & SLAP_TOOL_READONLY ) {
 334                                 flags |= DB_RDONLY;
 335                         } else {
 336                                 flags |= DB_CREATE;
 337                         }
 338 #else
 339                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 340                                 bdb_dup_compare );
 341                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 342                                 bdb_bt_compare );
 343                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 344                                 flags |= DB_RDONLY;
 345                         } else {
 346                                 flags |= DB_CREATE;
 347                         }
 348 #endif
 349                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 350                                 BDB_PAGESIZE );
 351                 }
 352
 353 #ifdef HAVE_EBCDIC
 354                 strcpy( path, bdbi_databases[i].file );
 355                 __atoe( path );
 356                 rc = DB_OPEN( db->bdi_db,
 357                         path,
 358                 /*      bdbi_databases[i].name, */ NULL,
 359                         bdbi_databases[i].type,
 360                         bdbi_databases[i].flags | flags,
 361                         bdb->bi_dbenv_mode );
 362 #else
 363                 rc = DB_OPEN( db->bdi_db,
 364                         bdbi_databases[i].file,
 365                 /*      bdbi_databases[i].name, */ NULL,
 366                         bdbi_databases[i].type,
 367                         bdbi_databases[i].flags | flags,
 368                         bdb->bi_dbenv_mode );
 369 #endif
 370
 371                 if( rc != 0 ) {
 372                         Debug( LDAP_DEBUG_ANY,
 373                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 374                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 375                         return rc;
 376                 }
 377
 378                 flags &= ~(DB_CREATE | DB_RDONLY);
 379                 db->bdi_name = bdbi_databases[i].name;
 380                 bdb->bi_databases[i] = db;
 381         }
 382
 383         bdb->bi_databases[i] = NULL;
 384         bdb->bi_ndatabases = i;
 385
 386         /* get nextid */
 387         rc = bdb_last_id( be, NULL );
 388         if( rc != 0 ) {
 389                 Debug( LDAP_DEBUG_ANY,
 390                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 391                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 392                 return rc;
 393         }
 394
 395         XLOCK_ID(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
 396
 397         /* If we're in server mode and time-based checkpointing is enabled,
 398          * submit a task to perform periodic checkpoints.
 399          */
 400         if ( slapMode & SLAP_SERVER_MODE && bdb->bi_txn_cp &&
 401                 bdb->bi_txn_cp_min )  {
 402                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 403                 ldap_pvt_runqueue_insert( &slapd_rq, bdb->bi_txn_cp_min*60,
 404                         bdb_checkpoint, bdb );
 405                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 406         }
 407
 408         /* <insert> open (and create) index databases */
 409         return 0;
 410 }
 411
 412 static int
 413 bdb_db_close( BackendDB *be )
 414 {
 415         int rc;
 416         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 417         struct bdb_db_info *db;
 418         bdb_idl_cache_entry_t *entry, *next_entry;
 419
 420         while( bdb->bi_ndatabases-- ) {
 421                 db = bdb->bi_databases[bdb->bi_ndatabases];
 422                 rc = db->bdi_db->close( db->bdi_db, 0 );
 423                 /* Lower numbered names are not strdup'd */
 424                 if( bdb->bi_ndatabases >= BDB_NDB )
 425                         free( db->bdi_name );
 426                 free( db );
 427         }
 428         free( bdb->bi_databases );
 429         bdb_attr_index_destroy( bdb->bi_attrs );
 430
 431         bdb_cache_release_all (&bdb->bi_cache);
 432
 433         if ( bdb->bi_idl_cache_max_size ) {
 434                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 435                 avl_free( bdb->bi_idl_tree, NULL );
 436                 entry = bdb->bi_idl_lru_head;
 437                 while ( entry != NULL ) {
 438                         next_entry = entry->idl_lru_next;
 439                         if ( entry->idl )
 440                                 free( entry->idl );
 441                         free( entry->kstr.bv_val );
 442                         free( entry );
 443                         entry = next_entry;
 444                 }
 445                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 446         }
 447
 448         XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
 449
 450         return 0;
 451 }
 452
 453 static int
 454 bdb_db_destroy( BackendDB *be )
 455 {
 456         int rc;
 457         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 458         Operation *ps = NULL;
 459         Operation *psn = NULL;
 460         void *saved_tmpmemctx = NULL;
 461
 462         /* close db environment */
 463         if( bdb->bi_dbenv ) {
 464                 /* force a checkpoint */
 465                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 466                 if( rc != 0 ) {
 467                         Debug( LDAP_DEBUG_ANY,
 468                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 469                                 db_strerror(rc), rc, 0 );
 470                 }
 471
 472                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 473                 bdb->bi_dbenv = NULL;
 474                 if( rc != 0 ) {
 475                         Debug( LDAP_DEBUG_ANY,
 476                                 "bdb_db_destroy: close failed: %s (%d)\n",
 477                                 db_strerror(rc), rc, 0 );
 478                         return rc;
 479                 }
 480         }
 481
 482         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 483
 484         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 485         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 486         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 487         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 488         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 489         if ( bdb->bi_idl_cache_max_size ) {
 490                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 491                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 492         }
 493
 494 #ifdef BDB_PSEARCH
 495         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_pslist_rwlock );
 496         ps = LDAP_LIST_FIRST( &bdb->bi_psearch_list );
 497
 498         if ( ps ) {
 499                 psn = LDAP_LIST_NEXT( ps, o_ps_link );
 500
 501                 saved_tmpmemctx = ps->o_tmpmemctx;
 502
 503                 if (!BER_BVISNULL(&ps->o_req_dn)) {
 504                         slap_sl_free( ps->o_req_dn.bv_val, ps->o_tmpmemctx );
 505                 }
 506                 if (!BER_BVISNULL(&ps->o_req_ndn)) {
 507                         slap_sl_free( ps->o_req_ndn.bv_val, ps->o_tmpmemctx );
 508                 }
 509                 if (!BER_BVISNULL(&ps->ors_filterstr)) {
 510                         slap_sl_free(ps->ors_filterstr.bv_val, ps->o_tmpmemctx);
 511                 }
 512                 if (ps->ors_filter != NULL) {
 513                         filter_free_x(ps, ps->ors_filter);
 514                 }
 515                 if ( ps->ors_attrs != NULL) {
 516                         ps->o_tmpfree(ps->ors_attrs, ps->o_tmpmemctx);
 517                 }
 518
 519                 slap_op_free( ps );
 520
 521                 if ( saved_tmpmemctx ) {
 522                         slap_sl_mem_destroy( NULL, saved_tmpmemctx );
 523                 }
 524         }
 525
 526         while ( psn ) {
 527                 ps = psn;
 528                 psn = LDAP_LIST_NEXT( ps, o_ps_link );
 529
 530                 saved_tmpmemctx = ps->o_tmpmemctx;
 531
 532                 if (!BER_BVISNULL(&ps->o_req_dn)) {
 533                         slap_sl_free( ps->o_req_dn.bv_val, ps->o_tmpmemctx );
 534                 }
 535                 if (!BER_BVISNULL(&ps->o_req_ndn)) {
 536                         slap_sl_free( ps->o_req_ndn.bv_val, ps->o_tmpmemctx );
 537                 }
 538                 if (!BER_BVISNULL(&ps->ors_filterstr)) {
 539                         slap_sl_free(ps->ors_filterstr.bv_val, ps->o_tmpmemctx);
 540                 }
 541                 if (ps->ors_filter != NULL) {
 542                         filter_free_x(ps, ps->ors_filter);
 543                 }
 544                 if ( ps->ors_attrs != NULL) {
 545                         ps->o_tmpfree(ps->ors_attrs, ps->o_tmpmemctx);
 546                 }
 547
 548                 slap_op_free( ps );
 549
 550                 if ( saved_tmpmemctx ) {
 551                         slap_sl_mem_destroy( NULL, saved_tmpmemctx );
 552                 }
 553         }
 554 #endif
 555
 556         ch_free( bdb );
 557         be->be_private = NULL;
 558
 559         return 0;
 560 }
 561
 562 int
 563 bdb_back_initialize(
 564         BackendInfo     *bi )
 565 {
 566         static char *controls[] = {
 567                 LDAP_CONTROL_ASSERT,
 568                 LDAP_CONTROL_MANAGEDSAIT,
 569                 LDAP_CONTROL_NOOP,
 570                 LDAP_CONTROL_PAGEDRESULTS,
 571 #ifdef LDAP_CONTROL_SUBENTRIES
 572                 LDAP_CONTROL_SUBENTRIES,
 573 #endif
 574                 LDAP_CONTROL_VALUESRETURNFILTER,
 575                 NULL
 576         };
 577
 578         /* initialize the underlying database system */
 579         Debug( LDAP_DEBUG_TRACE,
 580                 LDAP_XSTRING(bdb_back_initialize) ": initialize "
 581                 BDB_UCTYPE " backend\n", 0, 0, 0 );
 582
 583         bi->bi_flags |=
 584                 SLAP_BFLAG_INCREMENT |
 585 #ifdef BDB_SUBENTRIES
 586                 SLAP_BFLAG_SUBENTRIES |
 587 #endif
 588                 SLAP_BFLAG_ALIASES |
 589                 SLAP_BFLAG_REFERRALS;
 590
 591         bi->bi_controls = controls;
 592
 593         {       /* version check */
 594                 int major, minor, patch, ver;
 595                 char *version = db_version( &major, &minor, &patch );
 596 #ifdef HAVE_EBCDIC
 597                 char v2[1024];
 598
 599                 /* All our stdio does an ASCII to EBCDIC conversion on
 600                  * the output. Strings from the BDB library are already
 601                  * in EBCDIC; we have to go back and forth...
 602                  */
 603                 strcpy( v2, version );
 604                 __etoa( v2 );
 605                 version = v2;
 606 #endif
 607
 608                 ver = (major << 24) | (minor << 16) | patch;
 609                 if( ver < DB_VERSION_FULL )
 610                 {
 611                         Debug( LDAP_DEBUG_ANY,
 612                                 LDAP_XSTRING(bdb_back_initialize) ": "
 613                                 "BDB library version mismatch:"
 614                                 " expected " DB_VERSION_STRING ","
 615                                 " got %s\n", version, 0, 0 );
 616                 }
 617
 618                 Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_back_initialize)
 619                         ": %s\n", version, 0, 0 );
 620         }
 621
 622         db_env_set_func_free( ber_memfree );
 623         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 624         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 625 #ifndef NO_THREAD
 626         /* This is a no-op on a NO_THREAD build. Leave the default
 627          * alone so that BDB will sleep on interprocess conflicts.
 628          */
 629         db_env_set_func_yield( ldap_pvt_thread_yield );
 630 #endif
 631
 632         {
 633                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 634
 635                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 636                 bdb_uuid.bv_val = uuidbuf;
 637         }
 638
 639         bi->bi_open = 0;
 640         bi->bi_close = 0;
 641         bi->bi_config = 0;
 642         bi->bi_destroy = 0;
 643
 644         bi->bi_db_init = bdb_db_init;
 645         bi->bi_db_config = bdb_db_config;
 646         bi->bi_db_open = bdb_db_open;
 647         bi->bi_db_close = bdb_db_close;
 648         bi->bi_db_destroy = bdb_db_destroy;
 649
 650         bi->bi_op_add = bdb_add;
 651         bi->bi_op_bind = bdb_bind;
 652         bi->bi_op_compare = bdb_compare;
 653         bi->bi_op_delete = bdb_delete;
 654         bi->bi_op_modify = bdb_modify;
 655         bi->bi_op_modrdn = bdb_modrdn;
 656         bi->bi_op_search = bdb_search;
 657
 658         bi->bi_op_unbind = 0;
 659
 660 #if 0   /* DELETE ME */
 661         bi->bi_op_abandon = bdb_abandon;
 662         bi->bi_op_cancel = bdb_cancel;
 663 #endif
 664
 665         bi->bi_extended = bdb_extended;
 666
 667         bi->bi_chk_referrals = bdb_referrals;
 668         bi->bi_operational = bdb_operational;
 669         bi->bi_has_subordinates = bdb_hasSubordinates;
 670         bi->bi_entry_release_rw = bdb_entry_release;
 671         bi->bi_entry_get_rw = bdb_entry_get;
 672
 673         /*
 674          * hooks for slap tools
 675          */
 676         bi->bi_tool_entry_open = bdb_tool_entry_open;
 677         bi->bi_tool_entry_close = bdb_tool_entry_close;
 678         bi->bi_tool_entry_first = bdb_tool_entry_next;
 679         bi->bi_tool_entry_next = bdb_tool_entry_next;
 680         bi->bi_tool_entry_get = bdb_tool_entry_get;
 681         bi->bi_tool_entry_put = bdb_tool_entry_put;
 682         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 683         bi->bi_tool_sync = 0;
 684         bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
 685         bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
 686         bi->bi_tool_entry_modify = bdb_tool_entry_modify;
 687
 688         bi->bi_connection_init = 0;
 689         bi->bi_connection_destroy = 0;
 690
 691         return 0;
 692 }
 693
 694 #if     (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
 695         (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
 696
 697 /* conditionally define the init_module() function */
 698 #ifdef BDB_HIER
 699 SLAP_BACKEND_INIT_MODULE( hdb )
 700 #else /* !BDB_HIER */
 701 SLAP_BACKEND_INIT_MODULE( bdb )
 702 #endif /* !BDB_HIER */
 703
 704 #endif /* SLAPD_[BH]DB == SLAPD_MOD_DYNAMIC */
 705