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