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 const 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         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  27         { NULL, NULL, 0, 0 }
  28 };
  29
  30 struct berval bdb_uuid = { 0, NULL };
  31
  32 typedef void * db_malloc(size_t);
  33 typedef void * db_realloc(void *, size_t);
  34
  35 #if 0
  36 static int
  37 bdb_open( BackendInfo *bi )
  38 {
  39         return 0;
  40 }
  41
  42 static int
  43 bdb_destroy( BackendInfo *bi )
  44 {
  45         return 0;
  46 }
  47
  48 static int
  49 bdb_close( BackendInfo *bi )
  50 {
  51         /* terminate the underlying database system */
  52         return 0;
  53 }
  54 #endif
  55
  56 static int
  57 bdb_db_init( BackendDB *be )
  58 {
  59         struct bdb_info *bdb;
  60
  61 #ifdef NEW_LOGGING
  62         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
  63 #else
  64         Debug( LDAP_DEBUG_ANY,
  65                 "bdb_db_init: Initializing BDB database\n",
  66                 0, 0, 0 );
  67 #endif
  68
  69         /* indicate system schema supported */
  70         be->be_flags |=
  71                 SLAP_BFLAG_INCREMENT |
  72 #ifdef BDB_SUBENTRIES
  73                 SLAP_BFLAG_SUBENTRIES |
  74 #endif
  75 #ifdef BDB_ALIASES
  76                 SLAP_BFLAG_ALIASES |
  77 #endif
  78                 SLAP_BFLAG_REFERRALS;
  79
  80         /* allocate backend-database-specific stuff */
  81         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  82
  83         /* DBEnv parameters */
  84         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  85         bdb->bi_dbenv_xflags = 0;
  86         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  87
  88         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  89
  90         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  91         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
  92         bdb->bi_search_stack = NULL;
  93
  94         LDAP_LIST_INIT (&bdb->bi_psearch_list);
  95
  96         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
  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 {
 113         unsigned char *u, *c;
 114         int i, x;
 115
 116         u = usrkey->data;
 117         c = curkey->data;
 118
 119 #ifdef WORDS_BIGENDIAN
 120         for( i = 0; i < (int)sizeof(ID); i++)
 121 #else
 122         for( i = sizeof(ID)-1; i >= 0; i--)
 123 #endif
 124         {
 125                 x = u[i] - c[i];
 126                 if( x ) return x;
 127         }
 128
 129         return 0;
 130 }
 131
 132 static int
 133 bdb_db_open( BackendDB *be )
 134 {
 135         int rc, i;
 136         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 137         u_int32_t flags;
 138 #ifdef HAVE_EBCDIC
 139         char path[MAXPATHLEN];
 140 #endif
 141
 142 #ifdef NEW_LOGGING
 143         LDAP_LOG( BACK_BDB, ARGS,
 144                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 145 #else
 146         Debug( LDAP_DEBUG_ARGS,
 147                 "bdb_db_open: %s\n",
 148                 be->be_suffix[0].bv_val, 0, 0 );
 149 #endif
 150
 151 #ifndef BDB_MULTIPLE_SUFFIXES
 152         if ( be->be_suffix[1].bv_val ) {
 153 #ifdef NEW_LOGGING
 154         LDAP_LOG( BACK_BDB, ERR,
 155                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 156 #else
 157         Debug( LDAP_DEBUG_ANY,
 158                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 159 #endif
 160                 return -1;
 161         }
 162 #endif
 163         /* we should check existance of dbenv_home and db_directory */
 164
 165         rc = db_env_create( &bdb->bi_dbenv, 0 );
 166         if( rc != 0 ) {
 167 #ifdef NEW_LOGGING
 168                 LDAP_LOG( BACK_BDB, ERR,
 169                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 170                         db_strerror(rc), rc, 0 );
 171 #else
 172                 Debug( LDAP_DEBUG_ANY,
 173                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 174                         db_strerror(rc), rc, 0 );
 175 #endif
 176                 return rc;
 177         }
 178
 179         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 180                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 181
 182 #if 0
 183         /* Never do automatic recovery, must perform it manually.
 184          * Otherwise restarting with gentlehup will corrupt the
 185          * database.
 186          */
 187         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 188 #endif
 189
 190         /* If a key was set, use shared memory for the BDB environment */
 191         if ( bdb->bi_shm_key ) {
 192                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 193                 flags |= DB_SYSTEM_MEM;
 194         }
 195
 196         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 197         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 198         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 199
 200 #ifdef SLAP_IDL_CACHE
 201         if ( bdb->bi_idl_cache_max_size ) {
 202                 bdb->bi_idl_tree = NULL;
 203                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 204                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 205                 bdb->bi_idl_cache_size = 0;
 206         }
 207 #endif
 208
 209 #ifdef BDB_SUBDIRS
 210         {
 211                 char dir[MAXPATHLEN], *ptr;
 212
 213                 if (bdb->bi_dbenv_home[0] == '.') {
 214                         /* If home is a relative path, relative subdirs
 215                          * are just concat'd by BDB. We don't want the
 216                          * path to be concat'd twice, e.g.
 217                          * ./test-db/./test-db/tmp
 218                          */
 219                         ptr = dir;
 220                 } else {
 221                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 222                         *ptr++ = LDAP_DIRSEP[0];
 223 #ifdef HAVE_EBCDIC
 224                         __atoe( dir );
 225 #endif
 226                 }
 227
 228                 strcpy( ptr, BDB_TMP_SUBDIR );
 229 #ifdef HAVE_EBCDIC
 230                 __atoe( ptr );
 231 #endif
 232                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 233                 if( rc != 0 ) {
 234 #ifdef NEW_LOGGING
 235                         LDAP_LOG( BACK_BDB, ERR,
 236                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 237                                 dir, db_strerror(rc), rc );
 238 #else
 239                         Debug( LDAP_DEBUG_ANY,
 240                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 241                                 dir, db_strerror(rc), rc );
 242 #endif
 243                         return rc;
 244                 }
 245
 246                 strcpy( ptr, BDB_LG_SUBDIR );
 247 #ifdef HAVE_EBCDIC
 248                 __atoe( ptr );
 249 #endif
 250                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 251                 if( rc != 0 ) {
 252 #ifdef NEW_LOGGING
 253                         LDAP_LOG( BACK_BDB, ERR,
 254                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 255                                 dir, db_strerror(rc), rc );
 256 #else
 257                         Debug( LDAP_DEBUG_ANY,
 258                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 259                                 dir, db_strerror(rc), rc );
 260 #endif
 261                         return rc;
 262                 }
 263
 264                 strcpy( ptr, BDB_DATA_SUBDIR );
 265 #ifdef HAVE_EBCDIC
 266                 __atoe( ptr );
 267 #endif
 268                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 269                 if( rc != 0 ) {
 270 #ifdef NEW_LOGGING
 271                         LDAP_LOG( BACK_BDB, ERR,
 272                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 273                                 dir, db_strerror(rc), rc );
 274 #else
 275                         Debug( LDAP_DEBUG_ANY,
 276                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 277                                 dir, db_strerror(rc), rc );
 278 #endif
 279                         return rc;
 280                 }
 281         }
 282 #endif
 283
 284 #ifdef NEW_LOGGING
 285         LDAP_LOG( BACK_BDB, DETAIL1,
 286                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 287 #else
 288         Debug( LDAP_DEBUG_TRACE,
 289                 "bdb_db_open: dbenv_open(%s)\n",
 290                 bdb->bi_dbenv_home, 0, 0);
 291 #endif
 292
 293 #ifdef HAVE_EBCDIC
 294         strcpy( path, bdb->bi_dbenv_home );
 295         __atoe( path );
 296         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 297                 path,
 298                 flags,
 299                 bdb->bi_dbenv_mode );
 300 #else
 301         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 302                 bdb->bi_dbenv_home,
 303                 flags,
 304                 bdb->bi_dbenv_mode );
 305 #endif
 306         if( rc != 0 ) {
 307 #ifdef NEW_LOGGING
 308                 LDAP_LOG( BACK_BDB, ERR,
 309                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 310                         db_strerror(rc), rc, 0 );
 311 #else
 312                 Debug( LDAP_DEBUG_ANY,
 313                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 314                         db_strerror(rc), rc, 0 );
 315 #endif
 316                 return rc;
 317         }
 318
 319         if( bdb->bi_dbenv_xflags != 0 ) {
 320                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 321                         bdb->bi_dbenv_xflags, 1);
 322                 if( rc != 0 ) {
 323 #ifdef NEW_LOGGING
 324                         LDAP_LOG( BACK_BDB, ERR,
 325                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 326                                 db_strerror(rc), rc, 0 );
 327 #else
 328                         Debug( LDAP_DEBUG_ANY,
 329                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 330                                 db_strerror(rc), rc, 0 );
 331 #endif
 332                         return rc;
 333                 }
 334         }
 335
 336         flags = DB_THREAD | bdb->bi_db_opflags;
 337
 338         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 339                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 340
 341         /* open (and create) main database */
 342         for( i = 0; bdbi_databases[i].name; i++ ) {
 343                 struct bdb_db_info *db;
 344
 345                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 346
 347                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 348                 if( rc != 0 ) {
 349 #ifdef NEW_LOGGING
 350                         LDAP_LOG( BACK_BDB, ERR,
 351                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 352                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 353 #else
 354                         Debug( LDAP_DEBUG_ANY,
 355                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 356                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 357 #endif
 358                         return rc;
 359                 }
 360
 361                 if( i == BDB_ID2ENTRY ) {
 362                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 363                                 bdb_bt_compare );
 364                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 365                                 BDB_ID2ENTRY_PAGESIZE );
 366                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 367                                 flags |= DB_RDONLY;
 368                         } else {
 369                                 flags |= DB_CREATE;
 370                         }
 371                 } else {
 372                         rc = db->bdi_db->set_flags( db->bdi_db,
 373                                 DB_DUP | DB_DUPSORT );
 374 #ifndef BDB_HIER
 375                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 376                                 bdb_bt_compare );
 377                         if ( slapMode & SLAP_TOOL_READONLY ) {
 378                                 flags |= DB_RDONLY;
 379                         } else {
 380                                 flags |= DB_CREATE;
 381                         }
 382 #else
 383                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 384                                 bdb_dup_compare );
 385                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 386                                 bdb_bt_compare );
 387                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 388                                 flags |= DB_RDONLY;
 389                         } else {
 390                                 flags |= DB_CREATE;
 391                         }
 392 #endif
 393                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 394                                 BDB_PAGESIZE );
 395                 }
 396
 397 #ifdef HAVE_EBCDIC
 398                 strcpy( path, bdbi_databases[i].file );
 399                 __atoe( path );
 400                 rc = DB_OPEN( db->bdi_db, NULL,
 401                         path,
 402                 /*      bdbi_databases[i].name, */ NULL,
 403                         bdbi_databases[i].type,
 404                         bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
 405                         bdb->bi_dbenv_mode );
 406 #else
 407                 rc = DB_OPEN( db->bdi_db, NULL,
 408                         bdbi_databases[i].file,
 409                 /*      bdbi_databases[i].name, */ NULL,
 410                         bdbi_databases[i].type,
 411                         bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
 412                         bdb->bi_dbenv_mode );
 413 #endif
 414
 415                 if( rc != 0 ) {
 416 #ifdef NEW_LOGGING
 417                         LDAP_LOG( BACK_BDB, ERR,
 418                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 419                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 420 #else
 421                         Debug( LDAP_DEBUG_ANY,
 422                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 423                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 424 #endif
 425                         return rc;
 426                 }
 427
 428                 flags &= ~(DB_CREATE | DB_RDONLY);
 429                 db->bdi_name = bdbi_databases[i].name;
 430                 bdb->bi_databases[i] = db;
 431         }
 432
 433         bdb->bi_databases[i] = NULL;
 434         bdb->bi_ndatabases = i;
 435
 436         /* get nextid */
 437         rc = bdb_last_id( be, NULL );
 438         if( rc != 0 ) {
 439 #ifdef NEW_LOGGING
 440                         LDAP_LOG( BACK_BDB, ERR,
 441                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 442                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 443 #else
 444                 Debug( LDAP_DEBUG_ANY,
 445                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 446                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 447 #endif
 448                 return rc;
 449         }
 450
 451         /* <insert> open (and create) index databases */
 452         return 0;
 453 }
 454
 455 static int
 456 bdb_db_close( BackendDB *be )
 457 {
 458         int rc;
 459         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 460         struct bdb_db_info *db;
 461 #ifdef SLAP_IDL_CACHE
 462         bdb_idl_cache_entry_t *entry, *next_entry;
 463 #endif
 464
 465         while( bdb->bi_ndatabases-- ) {
 466                 db = bdb->bi_databases[bdb->bi_ndatabases];
 467                 rc = db->bdi_db->close( db->bdi_db, 0 );
 468                 /* Lower numbered names are not strdup'd */
 469                 if( bdb->bi_ndatabases >= BDB_NDB )
 470                         free( db->bdi_name );
 471                 free( db );
 472         }
 473         free( bdb->bi_databases );
 474         bdb_attr_index_destroy( bdb->bi_attrs );
 475
 476         bdb_cache_release_all (&bdb->bi_cache);
 477
 478 #ifdef SLAP_IDL_CACHE
 479         if ( bdb->bi_idl_cache_max_size ) {
 480                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 481                 avl_free( bdb->bi_idl_tree, NULL );
 482                 entry = bdb->bi_idl_lru_head;
 483                 while ( entry != NULL ) {
 484                         next_entry = entry->idl_lru_next;
 485                         if ( entry->idl )
 486                                 free( entry->idl );
 487                         free( entry->kstr.bv_val );
 488                         free( entry );
 489                         entry = next_entry;
 490                 }
 491                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 492         }
 493 #endif
 494
 495         return 0;
 496 }
 497
 498 static int
 499 bdb_db_destroy( BackendDB *be )
 500 {
 501         int rc;
 502         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 503
 504         /* close db environment */
 505         if( bdb->bi_dbenv ) {
 506                 /* force a checkpoint */
 507                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 508                 if( rc != 0 ) {
 509 #ifdef NEW_LOGGING
 510                         LDAP_LOG( BACK_BDB, ERR,
 511                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 512                                 db_strerror(rc), rc, 0 );
 513 #else
 514                         Debug( LDAP_DEBUG_ANY,
 515                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 516                                 db_strerror(rc), rc, 0 );
 517 #endif
 518                 }
 519
 520                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 521                 bdb->bi_dbenv = NULL;
 522                 if( rc != 0 ) {
 523 #ifdef NEW_LOGGING
 524                         LDAP_LOG( BACK_BDB, ERR,
 525                                 "bdb_db_destroy: close failed: %s (%d)\n",
 526                                 db_strerror(rc), rc, 0 );
 527 #else
 528                         Debug( LDAP_DEBUG_ANY,
 529                                 "bdb_db_destroy: close failed: %s (%d)\n",
 530                                 db_strerror(rc), rc, 0 );
 531 #endif
 532                         return rc;
 533                 }
 534         }
 535
 536         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 537
 538         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 539         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 540         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 541         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 542 #ifdef SLAP_IDL_CACHE
 543         if ( bdb->bi_idl_cache_max_size ) {
 544                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 545                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 546         }
 547 #endif
 548
 549         ch_free( bdb );
 550         be->be_private = NULL;
 551
 552         return 0;
 553 }
 554
 555 #ifdef SLAPD_BDB_DYNAMIC
 556 int init_module( int argc, char *argv[] ) {
 557         BackendInfo bi;
 558
 559         memset( &bi, '\0', sizeof(bi) );
 560         bi.bi_type = "bdb";
 561         bi.bi_init = bdb_initialize;
 562
 563         backend_add( &bi );
 564         return 0;
 565 }
 566 #endif /* SLAPD_BDB_DYNAMIC */
 567
 568 int
 569 bdb_initialize(
 570         BackendInfo     *bi
 571 )
 572 {
 573         static char *controls[] = {
 574                 LDAP_CONTROL_ASSERT,
 575                 LDAP_CONTROL_MANAGEDSAIT,
 576                 LDAP_CONTROL_NOOP,
 577 #ifdef LDAP_CONTROL_PAGEDRESULTS
 578                 LDAP_CONTROL_PAGEDRESULTS,
 579 #endif
 580 #ifdef LDAP_CONTROL_SUBENTRIES
 581                 LDAP_CONTROL_SUBENTRIES,
 582 #endif
 583                 LDAP_CONTROL_VALUESRETURNFILTER,
 584                 NULL
 585         };
 586
 587         bi->bi_controls = controls;
 588
 589         /* initialize the underlying database system */
 590 #ifdef NEW_LOGGING
 591         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
 592 #else
 593         Debug( LDAP_DEBUG_TRACE, "bdb_initialize: initialize BDB backend\n",
 594                 0, 0, 0 );
 595 #endif
 596
 597         {       /* version check */
 598                 int major, minor, patch;
 599                 char *version = db_version( &major, &minor, &patch );
 600 #ifdef HAVE_EBCDIC
 601                 char v2[1024];
 602
 603                 /* All our stdio does an ASCII to EBCDIC conversion on
 604                  * the output. Strings from the BDB library are already
 605                  * in EBCDIC; we have to go back and forth...
 606                  */
 607                 strcpy( v2, version );
 608                 __etoa( v2 );
 609                 version = v2;
 610 #endif
 611
 612                 if( major != DB_VERSION_MAJOR ||
 613                         minor != DB_VERSION_MINOR ||
 614                         patch < DB_VERSION_PATCH )
 615                 {
 616 #ifdef NEW_LOGGING
 617                         LDAP_LOG( BACK_BDB, ERR,
 618                                 "bdb_initialize: BDB library version mismatch:"
 619                                 " expected " DB_VERSION_STRING ","
 620                                 " got %s\n", version, 0, 0 );
 621 #else
 622                         Debug( LDAP_DEBUG_ANY,
 623                                 "bdb_initialize: BDB library version mismatch:"
 624                                 " expected " DB_VERSION_STRING ","
 625                                 " got %s\n", version, 0, 0 );
 626 #endif
 627                 }
 628
 629 #ifdef NEW_LOGGING
 630                 LDAP_LOG( BACK_BDB, DETAIL1,
 631                         "bdb_db_initialize: %s\n", version, 0, 0 );
 632 #else
 633                 Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
 634                         version, 0, 0 );
 635 #endif
 636         }
 637
 638         db_env_set_func_free( ber_memfree );
 639         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 640         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 641 #ifndef NO_THREAD
 642         /* This is a no-op on a NO_THREAD build. Leave the default
 643          * alone so that BDB will sleep on interprocess conflicts.
 644          */
 645         db_env_set_func_yield( ldap_pvt_thread_yield );
 646 #endif
 647
 648         {
 649                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 650
 651                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 652                 bdb_uuid.bv_val = uuidbuf;
 653         }
 654
 655         bi->bi_open = 0;
 656         bi->bi_close = 0;
 657         bi->bi_config = 0;
 658         bi->bi_destroy = 0;
 659
 660         bi->bi_db_init = bdb_db_init;
 661         bi->bi_db_config = bdb_db_config;
 662         bi->bi_db_open = bdb_db_open;
 663         bi->bi_db_close = bdb_db_close;
 664         bi->bi_db_destroy = bdb_db_destroy;
 665
 666         bi->bi_op_add = bdb_add;
 667         bi->bi_op_bind = bdb_bind;
 668         bi->bi_op_compare = bdb_compare;
 669         bi->bi_op_delete = bdb_delete;
 670         bi->bi_op_modify = bdb_modify;
 671         bi->bi_op_modrdn = bdb_modrdn;
 672         bi->bi_op_search = bdb_search;
 673
 674         bi->bi_op_unbind = 0;
 675
 676         bi->bi_op_abandon = bdb_abandon;
 677         bi->bi_op_cancel = bdb_cancel;
 678
 679         bi->bi_extended = bdb_extended;
 680
 681         bi->bi_chk_referrals = bdb_referrals;
 682         bi->bi_operational = bdb_operational;
 683         bi->bi_has_subordinates = bdb_hasSubordinates;
 684         bi->bi_entry_release_rw = bdb_entry_release;
 685         bi->bi_entry_get_rw = bdb_entry_get;
 686
 687         /*
 688          * hooks for slap tools
 689          */
 690         bi->bi_tool_entry_open = bdb_tool_entry_open;
 691         bi->bi_tool_entry_close = bdb_tool_entry_close;
 692         bi->bi_tool_entry_first = bdb_tool_entry_next;
 693         bi->bi_tool_entry_next = bdb_tool_entry_next;
 694         bi->bi_tool_entry_get = bdb_tool_entry_get;
 695         bi->bi_tool_entry_put = bdb_tool_entry_put;
 696         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 697         bi->bi_tool_sync = 0;
 698         bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
 699         bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
 700         bi->bi_tool_entry_modify = bdb_tool_entry_modify;
 701
 702         bi->bi_connection_init = 0;
 703         bi->bi_connection_destroy = 0;
 704
 705         return 0;
 706 }