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

   1 /* init.c - initialize bdb backend */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12 #include <ac/unistd.h>
  13 #include <ac/stdlib.h>
  14
  15 #include "back-bdb.h"
  16 #include "external.h"
  17 #include <lutil.h>
  18
  19 static struct bdbi_database {
  20         char *file;
  21         char *name;
  22         int type;
  23         int flags;
  24 } bdbi_databases[] = {
  25         { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
  26 #ifdef BDB_HIER
  27         { "id2parent" BDB_SUFFIX, "id2parent", DB_BTREE, 0 },
  28 #else
  29         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  30 #endif
  31         { NULL, NULL, 0, 0 }
  32 };
  33
  34 struct berval bdb_uuid = { 0, NULL };
  35
  36 typedef void * db_malloc(size_t);
  37 typedef void * db_realloc(void *, size_t);
  38
  39 #if 0
  40 static int
  41 bdb_open( BackendInfo *bi )
  42 {
  43         return 0;
  44 }
  45
  46 static int
  47 bdb_destroy( BackendInfo *bi )
  48 {
  49         return 0;
  50 }
  51
  52 static int
  53 bdb_close( BackendInfo *bi )
  54 {
  55         /* terminate the underlying database system */
  56         return 0;
  57 }
  58 #endif
  59
  60 static int
  61 bdb_db_init( BackendDB *be )
  62 {
  63         struct bdb_info *bdb;
  64
  65 #ifdef NEW_LOGGING
  66         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
  67 #else
  68         Debug( LDAP_DEBUG_ANY,
  69                 "bdb_db_init: Initializing BDB database\n",
  70                 0, 0, 0 );
  71 #endif
  72
  73         /* indicate system schema supported */
  74         be->be_flags |=
  75 #ifdef BDB_SUBENTRIES
  76                 SLAP_BFLAG_SUBENTRIES |
  77 #endif
  78 #ifdef BDB_ALIASES
  79                 SLAP_BFLAG_ALIASES |
  80 #endif
  81                 SLAP_BFLAG_REFERRALS;
  82
  83         /* allocate backend-database-specific stuff */
  84         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  85
  86         /* DBEnv parameters */
  87         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  88         bdb->bi_dbenv_xflags = 0;
  89         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  90
  91         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  92
  93         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  94         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
  95         bdb->bi_search_stack = NULL;
  96
  97 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
  98         LDAP_LIST_INIT (&bdb->psearch_list);
  99 #endif
 100
 101         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
 102         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
 103         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
 104         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
 105 #ifdef BDB_HIER
 106         ldap_pvt_thread_rdwr_init( &bdb->bi_tree_rdwr );
 107 #endif
 108
 109         be->be_private = bdb;
 110
 111         return 0;
 112 }
 113
 114 int
 115 bdb_bt_compare(
 116         DB *db,
 117         const DBT *usrkey,
 118         const DBT *curkey
 119 )
 120 {
 121         unsigned char *u, *c;
 122         int i, x;
 123
 124         u = usrkey->data;
 125         c = curkey->data;
 126
 127 #ifdef WORDS_BIGENDIAN
 128         for( i = 0; i < (int)sizeof(ID); i++)
 129 #else
 130         for( i = sizeof(ID)-1; i >= 0; i--)
 131 #endif
 132         {
 133                 x = u[i] - c[i];
 134                 if( x ) return x;
 135         }
 136
 137         return 0;
 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 #ifdef NEW_LOGGING
 151         LDAP_LOG( BACK_BDB, ARGS,
 152                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 153 #else
 154         Debug( LDAP_DEBUG_ARGS,
 155                 "bdb_db_open: %s\n",
 156                 be->be_suffix[0].bv_val, 0, 0 );
 157 #endif
 158
 159 #ifndef BDB_MULTIPLE_SUFFIXES
 160         if ( be->be_suffix[1].bv_val ) {
 161 #ifdef NEW_LOGGING
 162         LDAP_LOG( BACK_BDB, ERR,
 163                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 164 #else
 165         Debug( LDAP_DEBUG_ANY,
 166                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 167 #endif
 168                 return -1;
 169         }
 170 #endif
 171         /* we should check existance of dbenv_home and db_directory */
 172
 173         rc = db_env_create( &bdb->bi_dbenv, 0 );
 174         if( rc != 0 ) {
 175 #ifdef NEW_LOGGING
 176                 LDAP_LOG( BACK_BDB, ERR,
 177                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 178                         db_strerror(rc), rc, 0 );
 179 #else
 180                 Debug( LDAP_DEBUG_ANY,
 181                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 182                         db_strerror(rc), rc, 0 );
 183 #endif
 184                 return rc;
 185         }
 186
 187         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 188                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 189
 190 #if 0
 191         /* Never do automatic recovery, must perform it manually.
 192          * Otherwise restarting with gentlehup will corrupt the
 193          * database.
 194          */
 195         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 196 #endif
 197
 198         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 199         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 200         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 201
 202 #ifdef SLAP_IDL_CACHE
 203         if ( bdb->bi_idl_cache_max_size ) {
 204                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_mutex );
 205                 bdb->bi_idl_cache_size = 0;
 206         }
 207 #endif
 208
 209 #ifdef BDB_SUBDIRS
 210         {
 211                 char dir[MAXPATHLEN];
 212                 size_t len = strlen( bdb->bi_dbenv_home );
 213
 214                 strcpy( dir, bdb->bi_dbenv_home );
 215                 strcat( &dir[len], BDB_TMP_SUBDIR );
 216
 217                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 218                 if( rc != 0 ) {
 219 #ifdef NEW_LOGGING
 220                         LDAP_LOG( BACK_BDB, ERR,
 221                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 222                                 dir, db_strerror(rc), rc );
 223 #else
 224                         Debug( LDAP_DEBUG_ANY,
 225                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 226                                 dir, db_strerror(rc), rc );
 227 #endif
 228                         return rc;
 229                 }
 230
 231                 strcat( &dir[len], BDB_LG_SUBDIR );
 232
 233                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 234                 if( rc != 0 ) {
 235 #ifdef NEW_LOGGING
 236                         LDAP_LOG( BACK_BDB, ERR,
 237                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 238                                 dir, db_strerror(rc), rc );
 239 #else
 240                         Debug( LDAP_DEBUG_ANY,
 241                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 242                                 dir, db_strerror(rc), rc );
 243 #endif
 244                         return rc;
 245                 }
 246
 247                 strcat( &dir[len], BDB_DATA_SUBDIR );
 248
 249                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 250                 if( rc != 0 ) {
 251 #ifdef NEW_LOGGING
 252                         LDAP_LOG( BACK_BDB, ERR,
 253                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 254                                 dir, db_strerror(rc), rc );
 255 #else
 256                         Debug( LDAP_DEBUG_ANY,
 257                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 258                                 dir, db_strerror(rc), rc );
 259 #endif
 260                         return rc;
 261                 }
 262         }
 263 #endif
 264
 265 #ifdef NEW_LOGGING
 266         LDAP_LOG( BACK_BDB, DETAIL1,
 267                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 268 #else
 269         Debug( LDAP_DEBUG_TRACE,
 270                 "bdb_db_open: dbenv_open(%s)\n",
 271                 bdb->bi_dbenv_home, 0, 0);
 272 #endif
 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 #ifdef NEW_LOGGING
 289                 LDAP_LOG( BACK_BDB, ERR,
 290                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 291                         db_strerror(rc), rc, 0 );
 292 #else
 293                 Debug( LDAP_DEBUG_ANY,
 294                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 295                         db_strerror(rc), rc, 0 );
 296 #endif
 297                 return rc;
 298         }
 299
 300         if( bdb->bi_dbenv_xflags != 0 ) {
 301                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 302                         bdb->bi_dbenv_xflags, 1);
 303                 if( rc != 0 ) {
 304 #ifdef NEW_LOGGING
 305                         LDAP_LOG( BACK_BDB, ERR,
 306                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 307                                 db_strerror(rc), rc, 0 );
 308 #else
 309                         Debug( LDAP_DEBUG_ANY,
 310                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 311                                 db_strerror(rc), rc, 0 );
 312 #endif
 313                         return rc;
 314                 }
 315         }
 316
 317         flags = DB_THREAD | DB_CREATE | bdb->bi_db_opflags;
 318
 319         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 320                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 321
 322         /* open (and create) main database */
 323         for( i = 0; bdbi_databases[i].name; i++ ) {
 324                 struct bdb_db_info *db;
 325
 326                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 327
 328                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 329                 if( rc != 0 ) {
 330 #ifdef NEW_LOGGING
 331                         LDAP_LOG( BACK_BDB, ERR,
 332                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 333                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 334 #else
 335                         Debug( LDAP_DEBUG_ANY,
 336                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 337                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 338 #endif
 339                         return rc;
 340                 }
 341
 342                 if( i == BDB_ID2ENTRY ) {
 343                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 344                                 bdb_bt_compare );
 345                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 346                                 BDB_ID2ENTRY_PAGESIZE );
 347                 } else {
 348 #ifdef BDB_HIER
 349                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 350                                 bdb_bt_compare );
 351 #else
 352                         rc = db->bdi_db->set_flags( db->bdi_db,
 353                                 DB_DUP | DB_DUPSORT );
 354                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 355                                 bdb_bt_compare );
 356 #endif
 357                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 358                                 BDB_PAGESIZE );
 359                 }
 360
 361 #ifdef HAVE_EBCDIC
 362                 strcpy( path, bdbi_databases[i].file );
 363                 __atoe( path );
 364                 rc = DB_OPEN( db->bdi_db,
 365                         path,
 366                 /*      bdbi_databases[i].name, */ NULL,
 367                         bdbi_databases[i].type,
 368                         bdbi_databases[i].flags | flags,
 369                         bdb->bi_dbenv_mode );
 370 #else
 371                 rc = DB_OPEN( db->bdi_db,
 372                         bdbi_databases[i].file,
 373                 /*      bdbi_databases[i].name, */ NULL,
 374                         bdbi_databases[i].type,
 375                         bdbi_databases[i].flags | flags,
 376                         bdb->bi_dbenv_mode );
 377 #endif
 378
 379                 if( rc != 0 ) {
 380 #ifdef NEW_LOGGING
 381                         LDAP_LOG( BACK_BDB, ERR,
 382                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 383                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 384 #else
 385                         Debug( LDAP_DEBUG_ANY,
 386                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 387                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 388 #endif
 389                         return rc;
 390                 }
 391
 392                 db->bdi_name = bdbi_databases[i].name;
 393                 bdb->bi_databases[i] = db;
 394         }
 395
 396         bdb->bi_databases[i] = NULL;
 397         bdb->bi_ndatabases = i;
 398
 399         /* get nextid */
 400         rc = bdb_last_id( be, NULL );
 401         if( rc != 0 ) {
 402 #ifdef NEW_LOGGING
 403                         LDAP_LOG( BACK_BDB, ERR,
 404                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 405                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 406 #else
 407                 Debug( LDAP_DEBUG_ANY,
 408                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 409                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 410 #endif
 411                 return rc;
 412         }
 413
 414         /* <insert> open (and create) index databases */
 415 #ifdef BDB_HIER
 416         rc = bdb_build_tree( be );
 417 #endif
 418         return 0;
 419 }
 420
 421 static int
 422 bdb_db_close( BackendDB *be )
 423 {
 424         int rc;
 425         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 426         struct bdb_db_info *db;
 427 #ifdef SLAP_IDL_CACHE
 428         bdb_idl_cache_entry_t *entry, *next_entry;
 429 #endif
 430
 431         while( bdb->bi_ndatabases-- ) {
 432                 db = bdb->bi_databases[bdb->bi_ndatabases];
 433                 rc = db->bdi_db->close( db->bdi_db, 0 );
 434                 /* Lower numbered names are not strdup'd */
 435                 if( bdb->bi_ndatabases >= BDB_NDB )
 436                         free( db->bdi_name );
 437                 free( db );
 438         }
 439         free( bdb->bi_databases );
 440         bdb_attr_index_destroy( bdb->bi_attrs );
 441
 442         bdb_cache_release_all (&bdb->bi_cache);
 443
 444 #ifdef SLAP_IDL_CACHE
 445         ldap_pvt_thread_mutex_lock ( &bdb->bi_idl_tree_mutex );
 446         entry = bdb->bi_idl_lru_head;
 447         while ( entry != NULL ) {
 448                 next_entry = entry->idl_lru_next;
 449                 free( entry->idl );
 450                 free( entry->kstr.bv_val );
 451                 free( entry );
 452                 entry = next_entry;
 453         }
 454         ldap_pvt_thread_mutex_unlock ( &bdb->bi_idl_tree_mutex );
 455 #endif
 456
 457         return 0;
 458 }
 459
 460 static int
 461 bdb_db_destroy( BackendDB *be )
 462 {
 463         int rc;
 464         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 465
 466         /* close db environment */
 467         if( bdb->bi_dbenv ) {
 468                 /* force a checkpoint */
 469                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 470                 if( rc != 0 ) {
 471 #ifdef NEW_LOGGING
 472                         LDAP_LOG( BACK_BDB, ERR,
 473                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 474                                 db_strerror(rc), rc, 0 );
 475 #else
 476                         Debug( LDAP_DEBUG_ANY,
 477                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 478                                 db_strerror(rc), rc, 0 );
 479 #endif
 480                 }
 481
 482                 bdb_cache_release_all (&bdb->bi_cache);
 483
 484                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 485                 bdb->bi_dbenv = NULL;
 486                 if( rc != 0 ) {
 487 #ifdef NEW_LOGGING
 488                         LDAP_LOG( BACK_BDB, ERR,
 489                                 "bdb_db_destroy: close failed: %s (%d)\n",
 490                                 db_strerror(rc), rc, 0 );
 491 #else
 492                         Debug( LDAP_DEBUG_ANY,
 493                                 "bdb_db_destroy: close failed: %s (%d)\n",
 494                                 db_strerror(rc), rc, 0 );
 495 #endif
 496                         return rc;
 497                 }
 498         }
 499
 500         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 501
 502 #ifdef BDB_HIER
 503         ldap_pvt_thread_rdwr_destroy( &bdb->bi_tree_rdwr );
 504 #endif
 505         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 506         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 507         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 508         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 509
 510         ch_free( bdb );
 511         be->be_private = NULL;
 512
 513         return 0;
 514 }
 515
 516 #ifdef SLAPD_BDB_DYNAMIC
 517 int back_bdb_LTX_init_module( int argc, char *argv[] ) {
 518         BackendInfo bi;
 519
 520         memset( &bi, '\0', sizeof(bi) );
 521         bi.bi_type = "bdb";
 522         bi.bi_init = bdb_initialize;
 523
 524         backend_add( &bi );
 525         return 0;
 526 }
 527 #endif /* SLAPD_BDB_DYNAMIC */
 528
 529 int
 530 bdb_initialize(
 531         BackendInfo     *bi
 532 )
 533 {
 534         static char *controls[] = {
 535                 LDAP_CONTROL_MANAGEDSAIT,
 536                 LDAP_CONTROL_NOOP,
 537 #ifdef LDAP_CONTROL_PAGEDRESULTS
 538                 LDAP_CONTROL_PAGEDRESULTS,
 539 #endif
 540                 LDAP_CONTROL_VALUESRETURNFILTER,
 541 #ifdef LDAP_CONTROL_SUBENTRIES
 542                 LDAP_CONTROL_SUBENTRIES,
 543 #endif
 544 #ifdef LDAP_CLIENT_UPDATE
 545                 LDAP_CONTROL_CLIENT_UPDATE,
 546 #endif
 547                 NULL
 548         };
 549
 550         bi->bi_controls = controls;
 551
 552         /* initialize the underlying database system */
 553 #ifdef NEW_LOGGING
 554         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
 555 #else
 556         Debug( LDAP_DEBUG_TRACE, "bdb_initialize: initialize BDB backend\n",
 557                 0, 0, 0 );
 558 #endif
 559
 560         {       /* version check */
 561                 int major, minor, patch;
 562                 char *version = db_version( &major, &minor, &patch );
 563 #ifdef HAVE_EBCDIC
 564                 char v2[1024];
 565
 566                 /* All our stdio does an ASCII to EBCDIC conversion on
 567                  * the output. Strings from the BDB library are already
 568                  * in EBCDIC; we have to go back and forth...
 569                  */
 570                 strcpy( v2, version );
 571                 __etoa( v2 );
 572                 version = v2;
 573 #endif
 574
 575                 if( major != DB_VERSION_MAJOR ||
 576                         minor != DB_VERSION_MINOR ||
 577                         patch < DB_VERSION_PATCH )
 578                 {
 579 #ifdef NEW_LOGGING
 580                         LDAP_LOG( BACK_BDB, ERR,
 581                                 "bdb_db_initialize: version mismatch: "
 582                                 "\texpected: %s \tgot: %s\n", DB_VERSION_STRING, version, 0 );
 583 #else
 584                         Debug( LDAP_DEBUG_ANY,
 585                                 "bdb_initialize: version mismatch\n"
 586                                 "\texpected: " DB_VERSION_STRING "\n"
 587                                 "\tgot: %s \n", version, 0, 0 );
 588 #endif
 589                 }
 590
 591 #ifdef NEW_LOGGING
 592                 LDAP_LOG( BACK_BDB, DETAIL1,
 593                         "bdb_db_initialize: %s\n", version, 0, 0 );
 594 #else
 595                 Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
 596                         version, 0, 0 );
 597 #endif
 598         }
 599
 600         db_env_set_func_free( ber_memfree );
 601         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 602         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 603 #ifndef NO_THREAD
 604         /* This is a no-op on a NO_THREAD build. Leave the default
 605          * alone so that BDB will sleep on interprocess conflicts.
 606          */
 607         db_env_set_func_yield( ldap_pvt_thread_yield );
 608 #endif
 609
 610         {
 611                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 612
 613                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 614                 bdb_uuid.bv_val = uuidbuf;
 615         }
 616
 617         bi->bi_open = 0;
 618         bi->bi_close = 0;
 619         bi->bi_config = 0;
 620         bi->bi_destroy = 0;
 621
 622         bi->bi_db_init = bdb_db_init;
 623         bi->bi_db_config = bdb_db_config;
 624         bi->bi_db_open = bdb_db_open;
 625         bi->bi_db_close = bdb_db_close;
 626         bi->bi_db_destroy = bdb_db_destroy;
 627
 628         bi->bi_op_add = bdb_add;
 629         bi->bi_op_bind = bdb_bind;
 630         bi->bi_op_compare = bdb_compare;
 631         bi->bi_op_delete = bdb_delete;
 632         bi->bi_op_modify = bdb_modify;
 633         bi->bi_op_modrdn = bdb_modrdn;
 634         bi->bi_op_search = bdb_search;
 635
 636         bi->bi_op_unbind = 0;
 637
 638 #ifdef LDAP_CLIENT_UPDATE
 639         bi->bi_op_abandon = bdb_abandon;
 640         bi->bi_op_cancel = bdb_cancel;
 641 #else
 642         bi->bi_op_abandon = 0;
 643         bi->bi_op_cancel = 0;
 644 #endif
 645
 646         bi->bi_extended = bdb_extended;
 647
 648 #if 1
 649         /*
 650          * these routines (and their callers) are not yet designed
 651          * to work with transaction.  Using them may cause deadlock.
 652          */
 653         bi->bi_acl_group = bdb_group;
 654         bi->bi_acl_attribute = bdb_attribute;
 655 #else
 656         bi->bi_acl_group = 0;
 657         bi->bi_acl_attribute = 0;
 658 #endif
 659
 660         bi->bi_chk_referrals = bdb_referrals;
 661         bi->bi_operational = bdb_operational;
 662         bi->bi_has_subordinates = bdb_hasSubordinates;
 663         bi->bi_entry_release_rw = bdb_entry_release;
 664
 665         /*
 666          * hooks for slap tools
 667          */
 668         bi->bi_tool_entry_open = bdb_tool_entry_open;
 669         bi->bi_tool_entry_close = bdb_tool_entry_close;
 670         bi->bi_tool_entry_first = bdb_tool_entry_next;
 671         bi->bi_tool_entry_next = bdb_tool_entry_next;
 672         bi->bi_tool_entry_get = bdb_tool_entry_get;
 673         bi->bi_tool_entry_put = bdb_tool_entry_put;
 674         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 675         bi->bi_tool_sync = 0;
 676
 677         bi->bi_connection_init = 0;
 678         bi->bi_connection_destroy = 0;
 679
 680         return 0;
 681 }