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 "external.h"
  26 #include <lutil.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 = { 0, NULL };
  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 #ifdef NEW_LOGGING
  71         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
  72 #else
  73         Debug( LDAP_DEBUG_ANY,
  74                 "bdb_db_init: Initializing BDB database\n",
  75                 0, 0, 0 );
  76 #endif
  77
  78         /* indicate system schema supported */
  79         be->be_flags |=
  80                 SLAP_BFLAG_INCREMENT |
  81 #ifdef BDB_SUBENTRIES
  82                 SLAP_BFLAG_SUBENTRIES |
  83 #endif
  84 #ifdef BDB_ALIASES
  85                 SLAP_BFLAG_ALIASES |
  86 #endif
  87                 SLAP_BFLAG_REFERRALS;
  88
  89         /* allocate backend-database-specific stuff */
  90         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  91
  92         /* DBEnv parameters */
  93         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  94         bdb->bi_dbenv_xflags = 0;
  95         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  96
  97         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  98
  99         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
 100         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
 101         bdb->bi_search_stack = NULL;
 102
 103         LDAP_LIST_INIT (&bdb->bi_psearch_list);
 104
 105         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
 106         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
 107         ldap_pvt_thread_rdwr_init ( &bdb->bi_pslist_rwlock );
 108         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
 109         ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 110         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
 111
 112         be->be_private = bdb;
 113
 114         return 0;
 115 }
 116
 117 int
 118 bdb_bt_compare(
 119         DB *db,
 120         const DBT *usrkey,
 121         const DBT *curkey
 122 )
 123 {
 124         unsigned char *u, *c;
 125         int i, x;
 126
 127         u = usrkey->data;
 128         c = curkey->data;
 129
 130 #ifdef WORDS_BIGENDIAN
 131         for( i = 0; i < (int)sizeof(ID); i++)
 132 #else
 133         for( i = sizeof(ID)-1; i >= 0; i--)
 134 #endif
 135         {
 136                 x = u[i] - c[i];
 137                 if( x ) return x;
 138         }
 139
 140         return 0;
 141 }
 142
 143 static int
 144 bdb_db_open( BackendDB *be )
 145 {
 146         int rc, i;
 147         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 148         u_int32_t flags;
 149 #ifdef HAVE_EBCDIC
 150         char path[MAXPATHLEN];
 151 #endif
 152
 153 #ifdef NEW_LOGGING
 154         LDAP_LOG( BACK_BDB, ARGS,
 155                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 156 #else
 157         Debug( LDAP_DEBUG_ARGS,
 158                 "bdb_db_open: %s\n",
 159                 be->be_suffix[0].bv_val, 0, 0 );
 160 #endif
 161
 162 #ifndef BDB_MULTIPLE_SUFFIXES
 163         if ( be->be_suffix[1].bv_val ) {
 164 #ifdef NEW_LOGGING
 165         LDAP_LOG( BACK_BDB, ERR,
 166                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 167 #else
 168         Debug( LDAP_DEBUG_ANY,
 169                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 170 #endif
 171                 return -1;
 172         }
 173 #endif
 174         /* we should check existance of dbenv_home and db_directory */
 175
 176         rc = db_env_create( &bdb->bi_dbenv, 0 );
 177         if( rc != 0 ) {
 178 #ifdef NEW_LOGGING
 179                 LDAP_LOG( BACK_BDB, ERR,
 180                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 181                         db_strerror(rc), rc, 0 );
 182 #else
 183                 Debug( LDAP_DEBUG_ANY,
 184                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 185                         db_strerror(rc), rc, 0 );
 186 #endif
 187                 return rc;
 188         }
 189
 190         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 191                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 192
 193 #if 0
 194         /* Never do automatic recovery, must perform it manually.
 195          * Otherwise restarting with gentlehup will corrupt the
 196          * database.
 197          */
 198         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 199 #endif
 200
 201         /* If a key was set, use shared memory for the BDB environment */
 202         if ( bdb->bi_shm_key ) {
 203                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 204                 flags |= DB_SYSTEM_MEM;
 205         }
 206
 207         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 208         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 209         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 210
 211 #ifdef SLAP_IDL_CACHE
 212         if ( bdb->bi_idl_cache_max_size ) {
 213                 bdb->bi_idl_tree = NULL;
 214                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 215                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 216                 bdb->bi_idl_cache_size = 0;
 217         }
 218 #endif
 219
 220 #ifdef BDB_SUBDIRS
 221         {
 222                 char dir[MAXPATHLEN], *ptr;
 223
 224                 if (bdb->bi_dbenv_home[0] == '.') {
 225                         /* If home is a relative path, relative subdirs
 226                          * are just concat'd by BDB. We don't want the
 227                          * path to be concat'd twice, e.g.
 228                          * ./test-db/./test-db/tmp
 229                          */
 230                         ptr = dir;
 231                 } else {
 232                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 233                         *ptr++ = LDAP_DIRSEP[0];
 234 #ifdef HAVE_EBCDIC
 235                         __atoe( dir );
 236 #endif
 237                 }
 238
 239                 strcpy( ptr, BDB_TMP_SUBDIR );
 240 #ifdef HAVE_EBCDIC
 241                 __atoe( ptr );
 242 #endif
 243                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 244                 if( rc != 0 ) {
 245 #ifdef NEW_LOGGING
 246                         LDAP_LOG( BACK_BDB, ERR,
 247                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 248                                 dir, db_strerror(rc), rc );
 249 #else
 250                         Debug( LDAP_DEBUG_ANY,
 251                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 252                                 dir, db_strerror(rc), rc );
 253 #endif
 254                         return rc;
 255                 }
 256
 257                 strcpy( ptr, BDB_LG_SUBDIR );
 258 #ifdef HAVE_EBCDIC
 259                 __atoe( ptr );
 260 #endif
 261                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 262                 if( rc != 0 ) {
 263 #ifdef NEW_LOGGING
 264                         LDAP_LOG( BACK_BDB, ERR,
 265                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 266                                 dir, db_strerror(rc), rc );
 267 #else
 268                         Debug( LDAP_DEBUG_ANY,
 269                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 270                                 dir, db_strerror(rc), rc );
 271 #endif
 272                         return rc;
 273                 }
 274
 275                 strcpy( ptr, BDB_DATA_SUBDIR );
 276 #ifdef HAVE_EBCDIC
 277                 __atoe( ptr );
 278 #endif
 279                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 280                 if( rc != 0 ) {
 281 #ifdef NEW_LOGGING
 282                         LDAP_LOG( BACK_BDB, ERR,
 283                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 284                                 dir, db_strerror(rc), rc );
 285 #else
 286                         Debug( LDAP_DEBUG_ANY,
 287                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 288                                 dir, db_strerror(rc), rc );
 289 #endif
 290                         return rc;
 291                 }
 292         }
 293 #endif
 294
 295 #ifdef NEW_LOGGING
 296         LDAP_LOG( BACK_BDB, DETAIL1,
 297                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 298 #else
 299         Debug( LDAP_DEBUG_TRACE,
 300                 "bdb_db_open: dbenv_open(%s)\n",
 301                 bdb->bi_dbenv_home, 0, 0);
 302 #endif
 303
 304 #ifdef HAVE_EBCDIC
 305         strcpy( path, bdb->bi_dbenv_home );
 306         __atoe( path );
 307         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 308                 path,
 309                 flags,
 310                 bdb->bi_dbenv_mode );
 311 #else
 312         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 313                 bdb->bi_dbenv_home,
 314                 flags,
 315                 bdb->bi_dbenv_mode );
 316 #endif
 317         if( rc != 0 ) {
 318 #ifdef NEW_LOGGING
 319                 LDAP_LOG( BACK_BDB, ERR,
 320                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 321                         db_strerror(rc), rc, 0 );
 322 #else
 323                 Debug( LDAP_DEBUG_ANY,
 324                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 325                         db_strerror(rc), rc, 0 );
 326 #endif
 327                 return rc;
 328         }
 329
 330         if( bdb->bi_dbenv_xflags != 0 ) {
 331                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 332                         bdb->bi_dbenv_xflags, 1);
 333                 if( rc != 0 ) {
 334 #ifdef NEW_LOGGING
 335                         LDAP_LOG( BACK_BDB, ERR,
 336                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 337                                 db_strerror(rc), rc, 0 );
 338 #else
 339                         Debug( LDAP_DEBUG_ANY,
 340                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 341                                 db_strerror(rc), rc, 0 );
 342 #endif
 343                         return rc;
 344                 }
 345         }
 346
 347         flags = DB_THREAD | bdb->bi_db_opflags;
 348
 349         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 350                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 351
 352         /* open (and create) main database */
 353         for( i = 0; bdbi_databases[i].name; i++ ) {
 354                 struct bdb_db_info *db;
 355
 356                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 357
 358                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 359                 if( rc != 0 ) {
 360 #ifdef NEW_LOGGING
 361                         LDAP_LOG( BACK_BDB, ERR,
 362                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 363                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 364 #else
 365                         Debug( LDAP_DEBUG_ANY,
 366                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 367                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 368 #endif
 369                         return rc;
 370                 }
 371
 372                 if( i == BDB_ID2ENTRY ) {
 373                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 374                                 bdb_bt_compare );
 375                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 376                                 BDB_ID2ENTRY_PAGESIZE );
 377                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 378                                 flags |= DB_RDONLY;
 379                         } else {
 380                                 flags |= DB_CREATE;
 381                         }
 382                 } else {
 383                         rc = db->bdi_db->set_flags( db->bdi_db,
 384                                 DB_DUP | DB_DUPSORT );
 385 #ifndef BDB_HIER
 386                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 387                                 bdb_bt_compare );
 388                         if ( slapMode & SLAP_TOOL_READONLY ) {
 389                                 flags |= DB_RDONLY;
 390                         } else {
 391                                 flags |= DB_CREATE;
 392                         }
 393 #else
 394                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 395                                 bdb_dup_compare );
 396                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 397                                 bdb_bt_compare );
 398                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 399                                 flags |= DB_RDONLY;
 400                         } else {
 401                                 flags |= DB_CREATE;
 402                         }
 403 #endif
 404                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 405                                 BDB_PAGESIZE );
 406                 }
 407
 408 #ifdef HAVE_EBCDIC
 409                 strcpy( path, bdbi_databases[i].file );
 410                 __atoe( path );
 411                 rc = DB_OPEN( db->bdi_db,
 412                         path,
 413                 /*      bdbi_databases[i].name, */ NULL,
 414                         bdbi_databases[i].type,
 415                         bdbi_databases[i].flags | flags,
 416                         bdb->bi_dbenv_mode );
 417 #else
 418                 rc = DB_OPEN( db->bdi_db,
 419                         bdbi_databases[i].file,
 420                 /*      bdbi_databases[i].name, */ NULL,
 421                         bdbi_databases[i].type,
 422                         bdbi_databases[i].flags | flags,
 423                         bdb->bi_dbenv_mode );
 424 #endif
 425
 426                 if( rc != 0 ) {
 427 #ifdef NEW_LOGGING
 428                         LDAP_LOG( BACK_BDB, ERR,
 429                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 430                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 431 #else
 432                         Debug( LDAP_DEBUG_ANY,
 433                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 434                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 435 #endif
 436                         return rc;
 437                 }
 438
 439                 flags &= ~(DB_CREATE | DB_RDONLY);
 440                 db->bdi_name = bdbi_databases[i].name;
 441                 bdb->bi_databases[i] = db;
 442         }
 443
 444         bdb->bi_databases[i] = NULL;
 445         bdb->bi_ndatabases = i;
 446
 447         /* get nextid */
 448         rc = bdb_last_id( be, NULL );
 449         if( rc != 0 ) {
 450 #ifdef NEW_LOGGING
 451                         LDAP_LOG( BACK_BDB, ERR,
 452                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 453                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 454 #else
 455                 Debug( LDAP_DEBUG_ANY,
 456                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 457                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 458 #endif
 459                 return rc;
 460         }
 461
 462         /* <insert> open (and create) index databases */
 463         return 0;
 464 }
 465
 466 static int
 467 bdb_db_close( BackendDB *be )
 468 {
 469         int rc;
 470         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 471         struct bdb_db_info *db;
 472 #ifdef SLAP_IDL_CACHE
 473         bdb_idl_cache_entry_t *entry, *next_entry;
 474 #endif
 475
 476         while( bdb->bi_ndatabases-- ) {
 477                 db = bdb->bi_databases[bdb->bi_ndatabases];
 478                 rc = db->bdi_db->close( db->bdi_db, 0 );
 479                 /* Lower numbered names are not strdup'd */
 480                 if( bdb->bi_ndatabases >= BDB_NDB )
 481                         free( db->bdi_name );
 482                 free( db );
 483         }
 484         free( bdb->bi_databases );
 485         bdb_attr_index_destroy( bdb->bi_attrs );
 486
 487         bdb_cache_release_all (&bdb->bi_cache);
 488
 489 #ifdef SLAP_IDL_CACHE
 490         if ( bdb->bi_idl_cache_max_size ) {
 491                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 492                 avl_free( bdb->bi_idl_tree, NULL );
 493                 entry = bdb->bi_idl_lru_head;
 494                 while ( entry != NULL ) {
 495                         next_entry = entry->idl_lru_next;
 496                         if ( entry->idl )
 497                                 free( entry->idl );
 498                         free( entry->kstr.bv_val );
 499                         free( entry );
 500                         entry = next_entry;
 501                 }
 502                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 503         }
 504 #endif
 505
 506         return 0;
 507 }
 508
 509 static int
 510 bdb_db_destroy( BackendDB *be )
 511 {
 512         int rc;
 513         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 514
 515         /* close db environment */
 516         if( bdb->bi_dbenv ) {
 517                 /* force a checkpoint */
 518                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 519                 if( rc != 0 ) {
 520 #ifdef NEW_LOGGING
 521                         LDAP_LOG( BACK_BDB, ERR,
 522                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 523                                 db_strerror(rc), rc, 0 );
 524 #else
 525                         Debug( LDAP_DEBUG_ANY,
 526                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 527                                 db_strerror(rc), rc, 0 );
 528 #endif
 529                 }
 530
 531                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 532                 bdb->bi_dbenv = NULL;
 533                 if( rc != 0 ) {
 534 #ifdef NEW_LOGGING
 535                         LDAP_LOG( BACK_BDB, ERR,
 536                                 "bdb_db_destroy: close failed: %s (%d)\n",
 537                                 db_strerror(rc), rc, 0 );
 538 #else
 539                         Debug( LDAP_DEBUG_ANY,
 540                                 "bdb_db_destroy: close failed: %s (%d)\n",
 541                                 db_strerror(rc), rc, 0 );
 542 #endif
 543                         return rc;
 544                 }
 545         }
 546
 547         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 548
 549         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 550         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 551         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 552         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_pslist_rwlock );
 553         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 554         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 555 #ifdef SLAP_IDL_CACHE
 556         if ( bdb->bi_idl_cache_max_size ) {
 557                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 558                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 559         }
 560 #endif
 561
 562         ch_free( bdb );
 563         be->be_private = NULL;
 564
 565         return 0;
 566 }
 567
 568 #if     (defined(SLAPD_BDB_DYNAMIC) && !defined(BDB_HIER)) || \
 569         (defined(SLAPD_HDB_DYNAMIC) && defined(BDB_HIER))
 570 int init_module( int argc, char *argv[] ) {
 571         BackendInfo bi;
 572
 573         memset( &bi, '\0', sizeof(bi) );
 574 #ifdef BDB_HIER
 575         bi.bi_type = "hdb";
 576 #else
 577         bi.bi_type = "bdb";
 578 #endif
 579         bi.bi_init = bdb_initialize;
 580
 581         backend_add( &bi );
 582         return 0;
 583 }
 584 #endif /* SLAPD_BDB_DYNAMIC */
 585
 586 int
 587 bdb_initialize(
 588         BackendInfo     *bi
 589 )
 590 {
 591         static char *controls[] = {
 592                 LDAP_CONTROL_ASSERT,
 593                 LDAP_CONTROL_MANAGEDSAIT,
 594                 LDAP_CONTROL_NOOP,
 595                 LDAP_CONTROL_PAGEDRESULTS,
 596 #ifdef LDAP_CONTROL_SUBENTRIES
 597                 LDAP_CONTROL_SUBENTRIES,
 598 #endif
 599                 LDAP_CONTROL_VALUESRETURNFILTER,
 600                 NULL
 601         };
 602
 603         bi->bi_controls = controls;
 604
 605         /* initialize the underlying database system */
 606 #ifdef NEW_LOGGING
 607         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
 608 #else
 609         Debug( LDAP_DEBUG_TRACE, "bdb_initialize: initialize BDB backend\n",
 610                 0, 0, 0 );
 611 #endif
 612
 613         {       /* version check */
 614                 int major, minor, patch;
 615                 char *version = db_version( &major, &minor, &patch );
 616 #ifdef HAVE_EBCDIC
 617                 char v2[1024];
 618
 619                 /* All our stdio does an ASCII to EBCDIC conversion on
 620                  * the output. Strings from the BDB library are already
 621                  * in EBCDIC; we have to go back and forth...
 622                  */
 623                 strcpy( v2, version );
 624                 __etoa( v2 );
 625                 version = v2;
 626 #endif
 627
 628                 if( major != DB_VERSION_MAJOR ||
 629                         minor != DB_VERSION_MINOR ||
 630                         patch < DB_VERSION_PATCH )
 631                 {
 632 #ifdef NEW_LOGGING
 633                         LDAP_LOG( BACK_BDB, ERR,
 634                                 "bdb_initialize: BDB library version mismatch:"
 635                                 " expected " DB_VERSION_STRING ","
 636                                 " got %s\n", version, 0, 0 );
 637 #else
 638                         Debug( LDAP_DEBUG_ANY,
 639                                 "bdb_initialize: BDB library version mismatch:"
 640                                 " expected " DB_VERSION_STRING ","
 641                                 " got %s\n", version, 0, 0 );
 642 #endif
 643                 }
 644
 645 #ifdef NEW_LOGGING
 646                 LDAP_LOG( BACK_BDB, DETAIL1,
 647                         "bdb_db_initialize: %s\n", version, 0, 0 );
 648 #else
 649                 Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
 650                         version, 0, 0 );
 651 #endif
 652         }
 653
 654         db_env_set_func_free( ber_memfree );
 655         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 656         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 657 #ifndef NO_THREAD
 658         /* This is a no-op on a NO_THREAD build. Leave the default
 659          * alone so that BDB will sleep on interprocess conflicts.
 660          */
 661         db_env_set_func_yield( ldap_pvt_thread_yield );
 662 #endif
 663
 664         {
 665                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 666
 667                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 668                 bdb_uuid.bv_val = uuidbuf;
 669         }
 670
 671         bi->bi_open = 0;
 672         bi->bi_close = 0;
 673         bi->bi_config = 0;
 674         bi->bi_destroy = 0;
 675
 676         bi->bi_db_init = bdb_db_init;
 677         bi->bi_db_config = bdb_db_config;
 678         bi->bi_db_open = bdb_db_open;
 679         bi->bi_db_close = bdb_db_close;
 680         bi->bi_db_destroy = bdb_db_destroy;
 681
 682         bi->bi_op_add = bdb_add;
 683         bi->bi_op_bind = bdb_bind;
 684         bi->bi_op_compare = bdb_compare;
 685         bi->bi_op_delete = bdb_delete;
 686         bi->bi_op_modify = bdb_modify;
 687         bi->bi_op_modrdn = bdb_modrdn;
 688         bi->bi_op_search = bdb_search;
 689
 690         bi->bi_op_unbind = 0;
 691
 692         bi->bi_op_abandon = bdb_abandon;
 693         bi->bi_op_cancel = bdb_cancel;
 694
 695         bi->bi_extended = bdb_extended;
 696
 697         bi->bi_chk_referrals = bdb_referrals;
 698         bi->bi_operational = bdb_operational;
 699         bi->bi_has_subordinates = bdb_hasSubordinates;
 700         bi->bi_entry_release_rw = bdb_entry_release;
 701         bi->bi_entry_get_rw = bdb_entry_get;
 702
 703         /*
 704          * hooks for slap tools
 705          */
 706         bi->bi_tool_entry_open = bdb_tool_entry_open;
 707         bi->bi_tool_entry_close = bdb_tool_entry_close;
 708         bi->bi_tool_entry_first = bdb_tool_entry_next;
 709         bi->bi_tool_entry_next = bdb_tool_entry_next;
 710         bi->bi_tool_entry_get = bdb_tool_entry_get;
 711         bi->bi_tool_entry_put = bdb_tool_entry_put;
 712         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 713         bi->bi_tool_sync = 0;
 714         bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
 715         bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
 716         bi->bi_tool_entry_modify = bdb_tool_entry_modify;
 717
 718         bi->bi_connection_init = 0;
 719         bi->bi_connection_destroy = 0;
 720
 721         return 0;
 722 }