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