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 2000-2003 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_mutex_init( &bdb->bi_cache.lru_mutex );
 108         ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 109         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
 110
 111         be->be_private = bdb;
 112
 113         return 0;
 114 }
 115
 116 int
 117 bdb_bt_compare(
 118         DB *db,
 119         const DBT *usrkey,
 120         const DBT *curkey
 121 )
 122 {
 123         unsigned char *u, *c;
 124         int i, x;
 125
 126         u = usrkey->data;
 127         c = curkey->data;
 128
 129 #ifdef WORDS_BIGENDIAN
 130         for( i = 0; i < (int)sizeof(ID); i++)
 131 #else
 132         for( i = sizeof(ID)-1; i >= 0; i--)
 133 #endif
 134         {
 135                 x = u[i] - c[i];
 136                 if( x ) return x;
 137         }
 138
 139         return 0;
 140 }
 141
 142 static int
 143 bdb_db_open( BackendDB *be )
 144 {
 145         int rc, i;
 146         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 147         u_int32_t flags;
 148 #ifdef HAVE_EBCDIC
 149         char path[MAXPATHLEN];
 150 #endif
 151
 152 #ifdef NEW_LOGGING
 153         LDAP_LOG( BACK_BDB, ARGS,
 154                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 155 #else
 156         Debug( LDAP_DEBUG_ARGS,
 157                 "bdb_db_open: %s\n",
 158                 be->be_suffix[0].bv_val, 0, 0 );
 159 #endif
 160
 161 #ifndef BDB_MULTIPLE_SUFFIXES
 162         if ( be->be_suffix[1].bv_val ) {
 163 #ifdef NEW_LOGGING
 164         LDAP_LOG( BACK_BDB, ERR,
 165                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 166 #else
 167         Debug( LDAP_DEBUG_ANY,
 168                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 169 #endif
 170                 return -1;
 171         }
 172 #endif
 173         /* we should check existance of dbenv_home and db_directory */
 174
 175         rc = db_env_create( &bdb->bi_dbenv, 0 );
 176         if( rc != 0 ) {
 177 #ifdef NEW_LOGGING
 178                 LDAP_LOG( BACK_BDB, ERR,
 179                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 180                         db_strerror(rc), rc, 0 );
 181 #else
 182                 Debug( LDAP_DEBUG_ANY,
 183                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 184                         db_strerror(rc), rc, 0 );
 185 #endif
 186                 return rc;
 187         }
 188
 189         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 190                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 191
 192 #if 0
 193         /* Never do automatic recovery, must perform it manually.
 194          * Otherwise restarting with gentlehup will corrupt the
 195          * database.
 196          */
 197         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 198 #endif
 199
 200         /* If a key was set, use shared memory for the BDB environment */
 201         if ( bdb->bi_shm_key ) {
 202                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 203                 flags |= DB_SYSTEM_MEM;
 204         }
 205
 206         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 207         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 208         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 209
 210 #ifdef SLAP_IDL_CACHE
 211         if ( bdb->bi_idl_cache_max_size ) {
 212                 bdb->bi_idl_tree = NULL;
 213                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 214                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 215                 bdb->bi_idl_cache_size = 0;
 216         }
 217 #endif
 218
 219 #ifdef BDB_SUBDIRS
 220         {
 221                 char dir[MAXPATHLEN], *ptr;
 222
 223                 if (bdb->bi_dbenv_home[0] == '.') {
 224                         /* If home is a relative path, relative subdirs
 225                          * are just concat'd by BDB. We don't want the
 226                          * path to be concat'd twice, e.g.
 227                          * ./test-db/./test-db/tmp
 228                          */
 229                         ptr = dir;
 230                 } else {
 231                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 232                         *ptr++ = LDAP_DIRSEP[0];
 233 #ifdef HAVE_EBCDIC
 234                         __atoe( dir );
 235 #endif
 236                 }
 237
 238                 strcpy( ptr, BDB_TMP_SUBDIR );
 239 #ifdef HAVE_EBCDIC
 240                 __atoe( ptr );
 241 #endif
 242                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 243                 if( rc != 0 ) {
 244 #ifdef NEW_LOGGING
 245                         LDAP_LOG( BACK_BDB, ERR,
 246                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 247                                 dir, db_strerror(rc), rc );
 248 #else
 249                         Debug( LDAP_DEBUG_ANY,
 250                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 251                                 dir, db_strerror(rc), rc );
 252 #endif
 253                         return rc;
 254                 }
 255
 256                 strcpy( ptr, BDB_LG_SUBDIR );
 257 #ifdef HAVE_EBCDIC
 258                 __atoe( ptr );
 259 #endif
 260                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 261                 if( rc != 0 ) {
 262 #ifdef NEW_LOGGING
 263                         LDAP_LOG( BACK_BDB, ERR,
 264                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 265                                 dir, db_strerror(rc), rc );
 266 #else
 267                         Debug( LDAP_DEBUG_ANY,
 268                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 269                                 dir, db_strerror(rc), rc );
 270 #endif
 271                         return rc;
 272                 }
 273
 274                 strcpy( ptr, BDB_DATA_SUBDIR );
 275 #ifdef HAVE_EBCDIC
 276                 __atoe( ptr );
 277 #endif
 278                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 279                 if( rc != 0 ) {
 280 #ifdef NEW_LOGGING
 281                         LDAP_LOG( BACK_BDB, ERR,
 282                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 283                                 dir, db_strerror(rc), rc );
 284 #else
 285                         Debug( LDAP_DEBUG_ANY,
 286                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 287                                 dir, db_strerror(rc), rc );
 288 #endif
 289                         return rc;
 290                 }
 291         }
 292 #endif
 293
 294 #ifdef NEW_LOGGING
 295         LDAP_LOG( BACK_BDB, DETAIL1,
 296                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 297 #else
 298         Debug( LDAP_DEBUG_TRACE,
 299                 "bdb_db_open: dbenv_open(%s)\n",
 300                 bdb->bi_dbenv_home, 0, 0);
 301 #endif
 302
 303 #ifdef HAVE_EBCDIC
 304         strcpy( path, bdb->bi_dbenv_home );
 305         __atoe( path );
 306         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 307                 path,
 308                 flags,
 309                 bdb->bi_dbenv_mode );
 310 #else
 311         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 312                 bdb->bi_dbenv_home,
 313                 flags,
 314                 bdb->bi_dbenv_mode );
 315 #endif
 316         if( rc != 0 ) {
 317 #ifdef NEW_LOGGING
 318                 LDAP_LOG( BACK_BDB, ERR,
 319                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 320                         db_strerror(rc), rc, 0 );
 321 #else
 322                 Debug( LDAP_DEBUG_ANY,
 323                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 324                         db_strerror(rc), rc, 0 );
 325 #endif
 326                 return rc;
 327         }
 328
 329         if( bdb->bi_dbenv_xflags != 0 ) {
 330                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 331                         bdb->bi_dbenv_xflags, 1);
 332                 if( rc != 0 ) {
 333 #ifdef NEW_LOGGING
 334                         LDAP_LOG( BACK_BDB, ERR,
 335                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 336                                 db_strerror(rc), rc, 0 );
 337 #else
 338                         Debug( LDAP_DEBUG_ANY,
 339                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 340                                 db_strerror(rc), rc, 0 );
 341 #endif
 342                         return rc;
 343                 }
 344         }
 345
 346         flags = DB_THREAD | bdb->bi_db_opflags;
 347
 348         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 349                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 350
 351         /* open (and create) main database */
 352         for( i = 0; bdbi_databases[i].name; i++ ) {
 353                 struct bdb_db_info *db;
 354
 355                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 356
 357                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 358                 if( rc != 0 ) {
 359 #ifdef NEW_LOGGING
 360                         LDAP_LOG( BACK_BDB, ERR,
 361                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 362                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 363 #else
 364                         Debug( LDAP_DEBUG_ANY,
 365                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 366                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 367 #endif
 368                         return rc;
 369                 }
 370
 371                 if( i == BDB_ID2ENTRY ) {
 372                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 373                                 bdb_bt_compare );
 374                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 375                                 BDB_ID2ENTRY_PAGESIZE );
 376                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 377                                 flags |= DB_RDONLY;
 378                         } else {
 379                                 flags |= DB_CREATE;
 380                         }
 381                 } else {
 382                         rc = db->bdi_db->set_flags( db->bdi_db,
 383                                 DB_DUP | DB_DUPSORT );
 384 #ifndef BDB_HIER
 385                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 386                                 bdb_bt_compare );
 387                         if ( slapMode & SLAP_TOOL_READONLY ) {
 388                                 flags |= DB_RDONLY;
 389                         } else {
 390                                 flags |= DB_CREATE;
 391                         }
 392 #else
 393                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 394                                 bdb_dup_compare );
 395                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 396                                 bdb_bt_compare );
 397                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 398                                 flags |= DB_RDONLY;
 399                         } else {
 400                                 flags |= DB_CREATE;
 401                         }
 402 #endif
 403                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 404                                 BDB_PAGESIZE );
 405                 }
 406
 407 #ifdef HAVE_EBCDIC
 408                 strcpy( path, bdbi_databases[i].file );
 409                 __atoe( path );
 410                 rc = DB_OPEN( db->bdi_db,
 411                         path,
 412                 /*      bdbi_databases[i].name, */ NULL,
 413                         bdbi_databases[i].type,
 414                         bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
 415                         bdb->bi_dbenv_mode );
 416 #else
 417                 rc = DB_OPEN( db->bdi_db,
 418                         bdbi_databases[i].file,
 419                 /*      bdbi_databases[i].name, */ NULL,
 420                         bdbi_databases[i].type,
 421                         bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
 422                         bdb->bi_dbenv_mode );
 423 #endif
 424
 425                 if( rc != 0 ) {
 426 #ifdef NEW_LOGGING
 427                         LDAP_LOG( BACK_BDB, ERR,
 428                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 429                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 430 #else
 431                         Debug( LDAP_DEBUG_ANY,
 432                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 433                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 434 #endif
 435                         return rc;
 436                 }
 437
 438                 flags &= ~(DB_CREATE | DB_RDONLY);
 439                 db->bdi_name = bdbi_databases[i].name;
 440                 bdb->bi_databases[i] = db;
 441         }
 442
 443         bdb->bi_databases[i] = NULL;
 444         bdb->bi_ndatabases = i;
 445
 446         /* get nextid */
 447         rc = bdb_last_id( be, NULL );
 448         if( rc != 0 ) {
 449 #ifdef NEW_LOGGING
 450                         LDAP_LOG( BACK_BDB, ERR,
 451                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 452                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 453 #else
 454                 Debug( LDAP_DEBUG_ANY,
 455                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 456                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 457 #endif
 458                 return rc;
 459         }
 460
 461         /* <insert> open (and create) index databases */
 462         return 0;
 463 }
 464
 465 static int
 466 bdb_db_close( BackendDB *be )
 467 {
 468         int rc;
 469         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 470         struct bdb_db_info *db;
 471 #ifdef SLAP_IDL_CACHE
 472         bdb_idl_cache_entry_t *entry, *next_entry;
 473 #endif
 474
 475         while( bdb->bi_ndatabases-- ) {
 476                 db = bdb->bi_databases[bdb->bi_ndatabases];
 477                 rc = db->bdi_db->close( db->bdi_db, 0 );
 478                 /* Lower numbered names are not strdup'd */
 479                 if( bdb->bi_ndatabases >= BDB_NDB )
 480                         free( db->bdi_name );
 481                 free( db );
 482         }
 483         free( bdb->bi_databases );
 484         bdb_attr_index_destroy( bdb->bi_attrs );
 485
 486         bdb_cache_release_all (&bdb->bi_cache);
 487
 488 #ifdef SLAP_IDL_CACHE
 489         if ( bdb->bi_idl_cache_max_size ) {
 490                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 491                 avl_free( bdb->bi_idl_tree, NULL );
 492                 entry = bdb->bi_idl_lru_head;
 493                 while ( entry != NULL ) {
 494                         next_entry = entry->idl_lru_next;
 495                         if ( entry->idl )
 496                                 free( entry->idl );
 497                         free( entry->kstr.bv_val );
 498                         free( entry );
 499                         entry = next_entry;
 500                 }
 501                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 502         }
 503 #endif
 504
 505         return 0;
 506 }
 507
 508 static int
 509 bdb_db_destroy( BackendDB *be )
 510 {
 511         int rc;
 512         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 513
 514         /* close db environment */
 515         if( bdb->bi_dbenv ) {
 516                 /* force a checkpoint */
 517                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 518                 if( rc != 0 ) {
 519 #ifdef NEW_LOGGING
 520                         LDAP_LOG( BACK_BDB, ERR,
 521                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 522                                 db_strerror(rc), rc, 0 );
 523 #else
 524                         Debug( LDAP_DEBUG_ANY,
 525                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 526                                 db_strerror(rc), rc, 0 );
 527 #endif
 528                 }
 529
 530                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 531                 bdb->bi_dbenv = NULL;
 532                 if( rc != 0 ) {
 533 #ifdef NEW_LOGGING
 534                         LDAP_LOG( BACK_BDB, ERR,
 535                                 "bdb_db_destroy: close failed: %s (%d)\n",
 536                                 db_strerror(rc), rc, 0 );
 537 #else
 538                         Debug( LDAP_DEBUG_ANY,
 539                                 "bdb_db_destroy: close failed: %s (%d)\n",
 540                                 db_strerror(rc), rc, 0 );
 541 #endif
 542                         return rc;
 543                 }
 544         }
 545
 546         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 547
 548         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 549         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 550         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 551         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 552         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 553 #ifdef SLAP_IDL_CACHE
 554         if ( bdb->bi_idl_cache_max_size ) {
 555                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 556                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 557         }
 558 #endif
 559
 560         ch_free( bdb );
 561         be->be_private = NULL;
 562
 563         return 0;
 564 }
 565
 566 #if     (defined(SLAPD_BDB_DYNAMIC) && !defined(BDB_HIER)) || \
 567         (defined(SLAPD_HDB_DYNAMIC) && defined(BDB_HIER))
 568 int init_module( int argc, char *argv[] ) {
 569         BackendInfo bi;
 570
 571         memset( &bi, '\0', sizeof(bi) );
 572 #ifdef BDB_HIER
 573         bi.bi_type = "hdb";
 574 #else
 575         bi.bi_type = "bdb";
 576 #endif
 577         bi.bi_init = bdb_initialize;
 578
 579         backend_add( &bi );
 580         return 0;
 581 }
 582 #endif /* SLAPD_BDB_DYNAMIC */
 583
 584 int
 585 bdb_initialize(
 586         BackendInfo     *bi
 587 )
 588 {
 589         static char *controls[] = {
 590                 LDAP_CONTROL_ASSERT,
 591                 LDAP_CONTROL_MANAGEDSAIT,
 592                 LDAP_CONTROL_NOOP,
 593 #ifdef LDAP_CONTROL_PAGEDRESULTS
 594                 LDAP_CONTROL_PAGEDRESULTS,
 595 #endif
 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 }