git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/config.c

   1 /* config.c - bdb backend configuration file routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2005 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/ctype.h>
  21 #include <ac/string.h>
  22
  23 #include "back-bdb.h"
  24
  25 #include "config.h"
  26
  27 #include "lutil.h"
  28 #include "ldap_rq.h"
  29
  30 #ifdef DB_DIRTY_READ
  31 #       define  SLAP_BDB_ALLOW_DIRTY_READ
  32 #endif
  33
  34 #define bdb_cf_gen                      BDB_SYMBOL(cf_gen)
  35 #define bdb_cf_cleanup          BDB_SYMBOL(cf_cleanup)
  36 #define bdb_checkpoint          BDB_SYMBOL(checkpoint)
  37 #define bdb_online_index        BDB_SYMBOL(online_index)
  38
  39 static ConfigDriver bdb_cf_gen;
  40
  41 enum {
  42         BDB_CHKPT = 1,
  43         BDB_CONFIG,
  44         BDB_DIRECTORY,
  45         BDB_NOSYNC,
  46         BDB_DIRTYR,
  47         BDB_INDEX,
  48         BDB_LOCKD,
  49         BDB_SSTACK
  50 };
  51
  52 static ConfigTable bdbcfg[] = {
  53         { "directory", "dir", 2, 2, 0, ARG_STRING|ARG_MAGIC|BDB_DIRECTORY,
  54                 bdb_cf_gen, "( OLcfgDbAt:0.1 NAME 'olcDbDirectory' "
  55                         "DESC 'Directory for database content' "
  56                         "EQUALITY caseIgnoreMatch "
  57                         "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  58         { "cachesize", "size", 2, 2, 0, ARG_INT|ARG_OFFSET,
  59                 (void *)offsetof(struct bdb_info, bi_cache.c_maxsize),
  60                 "( OLcfgDbAt:1.1 NAME 'olcDbCacheSize' "
  61                         "DESC 'Entry cache size in entries' "
  62                         "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  63         { "checkpoint", "kbyte> <min", 3, 3, 0, ARG_MAGIC|BDB_CHKPT,
  64                 bdb_cf_gen, "( OLcfgDbAt:1.2 NAME 'olcDbCheckpoint' "
  65                         "DESC 'Database checkpoint interval in kbytes and minutes' "
  66                         "SYNTAX OMsDirectoryString SINGLE-VALUE )",NULL, NULL },
  67         { "dbconfig", "DB_CONFIG setting", 1, 0, 0, ARG_MAGIC|BDB_CONFIG,
  68                 bdb_cf_gen, "( OLcfgDbAt:1.3 NAME 'olcDbConfig' "
  69                         "DESC 'BerkeleyDB DB_CONFIG configuration directives' "
  70                         "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",NULL, NULL },
  71         { "dbnosync", NULL, 1, 2, 0, ARG_ON_OFF|ARG_MAGIC|BDB_NOSYNC,
  72                 bdb_cf_gen, "( OLcfgDbAt:1.4 NAME 'olcDbNoSync' "
  73                         "DESC 'Disable synchronous database writes' "
  74                         "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  75         { "dirtyread", NULL, 1, 2, 0,
  76 #ifdef SLAP_BDB_ALLOW_DIRTY_READ
  77                 ARG_ON_OFF|ARG_MAGIC|BDB_DIRTYR, bdb_cf_gen,
  78 #else
  79                 ARG_IGNORED, NULL,
  80 #endif
  81                 "( OLcfgDbAt:1.5 NAME 'olcDbDirtyRead' "
  82                 "DESC 'Allow reads of uncommitted data' "
  83                 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  84         { "idlcachesize", "size", 2, 2, 0, ARG_INT|ARG_OFFSET,
  85                 (void *)offsetof(struct bdb_info,bi_idl_cache_max_size),
  86                 "( OLcfgDbAt:1.6 NAME 'olcDbIDLcacheSize' "
  87                 "DESC 'IDL cache size in IDLs' "
  88                 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  89         { "index", "attr> <[pres,eq,approx,sub]", 2, 3, 0, ARG_MAGIC|BDB_INDEX,
  90                 bdb_cf_gen, "( OLcfgDbAt:0.2 NAME 'olcDbIndex' "
  91                 "DESC 'Attribute index parameters' "
  92                 "EQUALITY caseIgnoreMatch "
  93                 "SYNTAX OMsDirectoryString )", NULL, NULL },
  94         { "linearindex", NULL, 1, 2, 0, ARG_ON_OFF|ARG_OFFSET,
  95                 (void *)offsetof(struct bdb_info, bi_linear_index),
  96                 "( OLcfgDbAt:1.7 NAME 'olcDbLinearIndex' "
  97                 "DESC 'Index attributes one at a time' "
  98                 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  99         { "lockdetect", "policy", 2, 2, 0, ARG_MAGIC|BDB_LOCKD,
 100                 bdb_cf_gen, "( OLcfgDbAt:1.8 NAME 'olcDbLockDetect' "
 101                 "DESC 'Deadlock detection algorithm' "
 102                 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
 103         { "mode", "mode", 2, 2, 0, ARG_INT|ARG_OFFSET,
 104                 (void *)offsetof(struct bdb_info, bi_dbenv_mode),
 105                 "( OLcfgDbAt:0.3 NAME 'olcDbMode' "
 106                 "DESC 'Unix permissions of database files' "
 107                 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
 108         { "searchstack", "depth", 2, 2, 0, ARG_INT|ARG_MAGIC|BDB_SSTACK,
 109                 bdb_cf_gen, "( OLcfgDbAt:1.9 NAME 'olcDbSearchStack' "
 110                 "DESC 'Depth of search stack in IDLs' "
 111                 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
 112         { "shm_key", "key", 2, 2, 0, ARG_INT|ARG_OFFSET,
 113                 (void *)offsetof(struct bdb_info, bi_shm_key),
 114                 "( OLcfgDbAt:1.10 NAME 'olcDbShmKey' "
 115                 "DESC 'Key for shared memory region' "
 116                 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
 117         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 118                 NULL, NULL, NULL, NULL }
 119 };
 120
 121 static ConfigOCs bdbocs[] = {
 122         {
 123 #ifdef BDB_HIER
 124                 "( OLcfgDbOc:1.2 "
 125                 "NAME 'olcHdbConfig' "
 126                 "DESC 'HDB backend configuration' "
 127 #else
 128                 "( OLcfgDbOc:1.1 "
 129                 "NAME 'olcBdbConfig' "
 130                 "DESC 'BDB backend configuration' "
 131 #endif
 132                 "SUP olcDatabaseConfig "
 133                 "MUST olcDbDirectory "
 134                 "MAY ( olcDbCacheSize $ olcDbCheckpoint $ olcDbConfig $ "
 135                 "olcDbNoSync $ olcDbDirtyRead $ olcDbIDLcacheSize $ "
 136                 "olcDbIndex $ olcDbLinearIndex $ olcDbLockDetect $ "
 137                 "olcDbMode $ olcDbSearchStack $ olcDbShmKey ) )",
 138                         Cft_Database, bdbcfg },
 139         { NULL, 0, NULL }
 140 };
 141
 142 static slap_verbmasks bdb_lockd[] = {
 143         { BER_BVC("default"), DB_LOCK_DEFAULT },
 144         { BER_BVC("oldest"), DB_LOCK_OLDEST },
 145         { BER_BVC("random"), DB_LOCK_RANDOM },
 146         { BER_BVC("youngest"), DB_LOCK_YOUNGEST },
 147         { BER_BVC("fewest"), DB_LOCK_MINLOCKS },
 148         { BER_BVNULL, 0 }
 149 };
 150
 151 /* perform periodic checkpoints */
 152 static void *
 153 bdb_checkpoint( void *ctx, void *arg )
 154 {
 155         struct re_s *rtask = arg;
 156         struct bdb_info *bdb = rtask->arg;
 157
 158         TXN_CHECKPOINT( bdb->bi_dbenv, bdb->bi_txn_cp_kbyte,
 159                 bdb->bi_txn_cp_min, 0 );
 160         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 161         ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 162         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 163         return NULL;
 164 }
 165
 166 /* reindex entries on the fly */
 167 static void *
 168 bdb_online_index( void *ctx, void *arg )
 169 {
 170         struct re_s *rtask = arg;
 171         BackendDB *be = rtask->arg;
 172         struct bdb_info *bdb = be->be_private;
 173
 174         Connection conn = {0};
 175         char opbuf[OPERATION_BUFFER_SIZE];
 176         Operation *op = (Operation *)opbuf;
 177
 178         DBC *curs;
 179         DBT key, data;
 180         DB_TXN *txn;
 181         DB_LOCK lock;
 182         u_int32_t locker;
 183         ID id, nid;
 184         EntryInfo *ei;
 185         int rc, getnext = 1;
 186
 187         connection_fake_init( &conn, op, ctx );
 188
 189         op->o_bd = be;
 190
 191         DBTzero( &key );
 192         DBTzero( &data );
 193
 194         id = 1;
 195         key.data = &nid;
 196         key.size = key.ulen = sizeof(ID);
 197         key.flags = DB_DBT_USERMEM;
 198
 199         data.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL;
 200         data.dlen = data.ulen = 0;
 201
 202         while ( 1 ) {
 203                 if ( slapd_shutdown )
 204                         break;
 205
 206                 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &txn, bdb->bi_db_opflags );
 207                 if ( rc )
 208                         break;
 209                 locker = TXN_ID( txn );
 210                 if ( getnext ) {
 211                         getnext = 0;
 212                         BDB_ID2DISK( id, &nid );
 213                         rc = bdb->bi_id2entry->bdi_db->cursor(
 214                                 bdb->bi_id2entry->bdi_db, txn, &curs, bdb->bi_db_opflags );
 215                         if ( rc ) {
 216                                 TXN_ABORT( txn );
 217                                 break;
 218                         }
 219                         rc = curs->c_get( curs, &key, &data, DB_SET_RANGE );
 220                         curs->c_close( curs );
 221                         if ( rc ) {
 222                                 TXN_ABORT( txn );
 223                                 if ( rc == DB_NOTFOUND )
 224                                         rc = 0;
 225                                 if ( rc == DB_LOCK_DEADLOCK ) {
 226                                         ldap_pvt_thread_yield();
 227                                         continue;
 228                                 }
 229                                 break;
 230                         }
 231                         BDB_DISK2ID( &nid, &id );
 232                 }
 233
 234                 ei = NULL;
 235                 rc = bdb_cache_find_id( op, txn, id, &ei, 0, locker, &lock );
 236                 if ( rc ) {
 237                         TXN_ABORT( txn );
 238                         if ( rc == DB_LOCK_DEADLOCK ) {
 239                                 ldap_pvt_thread_yield();
 240                                 continue;
 241                         }
 242                         if ( rc == DB_NOTFOUND ) {
 243                                 id++;
 244                                 getnext = 1;
 245                                 continue;
 246                         }
 247                         break;
 248                 }
 249                 if ( ei->bei_e ) {
 250                         rc = bdb_index_entry( op, txn, BDB_INDEX_UPDATE_OP, ei->bei_e );
 251                         if ( rc == DB_LOCK_DEADLOCK ) {
 252                                 TXN_ABORT( txn );
 253                                 ldap_pvt_thread_yield();
 254                                 continue;
 255                         }
 256                         if ( rc == 0 ) {
 257                                 rc = TXN_COMMIT( txn, 0 );
 258                                 txn = NULL;
 259                         }
 260                         if ( rc )
 261                                 break;
 262                 }
 263                 id++;
 264                 getnext = 1;
 265         }
 266 out:
 267         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 268         ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 269         bdb->bi_index_task = NULL;
 270         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
 271         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 272
 273         return NULL;
 274 }
 275
 276 /* Cleanup loose ends after Modify completes */
 277 static int
 278 bdb_cf_cleanup( ConfigArgs *c )
 279 {
 280         struct bdb_info *bdb = c->be->be_private;
 281         int rc = 0;
 282
 283         if ( bdb->bi_flags & BDB_UPD_CONFIG ) {
 284                 if ( bdb->bi_db_config ) {
 285                         int i;
 286                         FILE *f = fopen( bdb->bi_db_config_path, "w" );
 287                         if ( f ) {
 288                                 for (i=0; bdb->bi_db_config[i].bv_val; i++)
 289                                         fprintf( f, "%s\n", bdb->bi_db_config[i].bv_val );
 290                                 fclose( f );
 291                         }
 292                 } else {
 293                         unlink( bdb->bi_db_config_path );
 294                 }
 295                 bdb->bi_flags ^= BDB_UPD_CONFIG;
 296         }
 297
 298         if ( bdb->bi_flags & BDB_DEL_INDEX ) {
 299                 bdb_attr_flush( bdb );
 300                 bdb->bi_flags ^= BDB_DEL_INDEX;
 301         }
 302
 303         if ( bdb->bi_flags & BDB_RE_OPEN ) {
 304                 bdb->bi_flags ^= BDB_RE_OPEN;
 305                 rc = c->be->bd_info->bi_db_close( c->be );
 306                 if ( rc == 0 )
 307                         rc = c->be->bd_info->bi_db_open( c->be );
 308                 /* If this fails, we need to restart */
 309                 if ( rc ) {
 310                         slapd_shutdown = 2;
 311                         Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_cf_cleanup)
 312                                 ": failed to reopen database, rc=%d", rc, 0, 0 );
 313                 }
 314         }
 315         return rc;
 316 }
 317
 318 static int
 319 bdb_cf_gen(ConfigArgs *c)
 320 {
 321         struct bdb_info *bdb = c->be->be_private;
 322         int rc;
 323
 324         if ( c->op == SLAP_CONFIG_EMIT ) {
 325                 rc = 0;
 326                 switch( c->type ) {
 327                 case BDB_CHKPT:
 328                         if (bdb->bi_txn_cp ) {
 329                                 char buf[64];
 330                                 struct berval bv;
 331                                 bv.bv_len = sprintf( buf, "%d %d", bdb->bi_txn_cp_kbyte,
 332                                         bdb->bi_txn_cp_min );
 333                                 bv.bv_val = buf;
 334                                 value_add_one( &c->rvalue_vals, &bv );
 335                         } else{
 336                                 rc = 1;
 337                         }
 338                         break;
 339
 340                 case BDB_DIRECTORY:
 341                         if ( bdb->bi_dbenv_home ) {
 342                                 c->value_string = ch_strdup( bdb->bi_dbenv_home );
 343                         } else {
 344                                 rc = 1;
 345                         }
 346                         break;
 347
 348                 case BDB_CONFIG:
 349                         if (( slapMode&SLAP_SERVER_MODE ) && !( bdb->bi_flags&BDB_IS_OPEN )
 350                                 && !bdb->bi_db_config ) {
 351                                 char    buf[SLAP_TEXT_BUFLEN];
 352                                 FILE *f = fopen( bdb->bi_db_config_path, "r" );
 353                                 struct berval bv;
 354
 355                                 if ( f ) {
 356                                         bdb->bi_flags |= BDB_HAS_CONFIG;
 357                                         while ( fgets( buf, sizeof(buf), f )) {
 358                                                 ber_str2bv( buf, 0, 1, &bv );
 359                                                 if ( bv.bv_val[bv.bv_len-1] == '\n' ) {
 360                                                         bv.bv_len--;
 361                                                         bv.bv_val[bv.bv_len] = '\0';
 362                                                 }
 363                                                 /* shouldn't need this, but ... */
 364                                                 if ( bv.bv_val[bv.bv_len-1] == '\r' ) {
 365                                                         bv.bv_len--;
 366                                                         bv.bv_val[bv.bv_len] = '\0';
 367                                                 }
 368                                                 ber_bvarray_add( &bdb->bi_db_config, &bv );
 369                                         }
 370                                         fclose( f );
 371                                 }
 372                         }
 373                         if ( bdb->bi_db_config ) {
 374                                 int i;
 375                                 struct berval bv;
 376
 377                                 bv.bv_val = c->log;
 378                                 for (i=0; !BER_BVISNULL(&bdb->bi_db_config[i]); i++) {
 379                                         bv.bv_len = sprintf( bv.bv_val, "{%d}%s", i,
 380                                                 bdb->bi_db_config[i].bv_val );
 381                                         value_add_one( &c->rvalue_vals, &bv );
 382                                 }
 383                         }
 384                         if ( !c->rvalue_vals ) rc = 1;
 385                         break;
 386
 387                 case BDB_NOSYNC:
 388                         if ( bdb->bi_dbenv_xflags & DB_TXN_NOSYNC )
 389                                 c->value_int = 1;
 390                         break;
 391
 392                 case BDB_INDEX:
 393                         bdb_attr_index_unparse( bdb, &c->rvalue_vals );
 394                         if ( !c->rvalue_vals ) rc = 1;
 395                         break;
 396
 397                 case BDB_LOCKD:
 398                         rc = 1;
 399                         if ( bdb->bi_lock_detect != DB_LOCK_DEFAULT ) {
 400                                 int i;
 401                                 for (i=0; !BER_BVISNULL(&bdb_lockd[i].word); i++) {
 402                                         if ( bdb->bi_lock_detect == bdb_lockd[i].mask ) {
 403                                                 value_add_one( &c->rvalue_vals, &bdb_lockd[i].word );
 404                                                 rc = 0;
 405                                                 break;
 406                                         }
 407                                 }
 408                         }
 409                         break;
 410
 411                 case BDB_SSTACK:
 412                         c->value_int = bdb->bi_search_stack_depth;
 413                         break;
 414                 }
 415                 return rc;
 416         } else if ( c->op == LDAP_MOD_DELETE ) {
 417                 rc = 0;
 418                 switch( c->type ) {
 419                 /* single-valued no-ops */
 420                 case BDB_LOCKD:
 421                 case BDB_SSTACK:
 422                         break;
 423
 424                 case BDB_CHKPT:
 425                         if ( bdb->bi_txn_cp_task ) {
 426                                 struct re_s *re = bdb->bi_txn_cp_task;
 427                                 bdb->bi_txn_cp_task = NULL;
 428                                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
 429                                         ldap_pvt_runqueue_stoptask( &slapd_rq, re );
 430                                 ldap_pvt_runqueue_remove( &slapd_rq, re );
 431                         }
 432                         bdb->bi_txn_cp = 0;
 433                         break;
 434                 case BDB_CONFIG:
 435                         if ( c->valx < 0 ) {
 436                                 ber_bvarray_free( bdb->bi_db_config );
 437                                 bdb->bi_db_config = NULL;
 438                         } else {
 439                                 int i = c->valx;
 440                                 ch_free( bdb->bi_db_config[i].bv_val );
 441                                 for (; bdb->bi_db_config[i].bv_val; i++)
 442                                         bdb->bi_db_config[i] = bdb->bi_db_config[i+1];
 443                         }
 444                         bdb->bi_flags |= BDB_UPD_CONFIG;
 445                         c->cleanup = bdb_cf_cleanup;
 446                         break;
 447                 case BDB_DIRECTORY:
 448                         bdb->bi_flags |= BDB_RE_OPEN;
 449                         bdb->bi_flags ^= BDB_HAS_CONFIG;
 450                         ch_free( bdb->bi_dbenv_home );
 451                         bdb->bi_dbenv_home = NULL;
 452                         ch_free( bdb->bi_db_config_path );
 453                         bdb->bi_db_config_path = NULL;
 454                         c->cleanup = bdb_cf_cleanup;
 455                         ldap_pvt_thread_pool_purgekey( bdb->bi_dbenv );
 456                         ldap_pvt_thread_pool_purgekey( ((char *)bdb->bi_dbenv) + 1 );
 457                         break;
 458                 case BDB_NOSYNC:
 459                         bdb->bi_dbenv->set_flags( bdb->bi_dbenv, DB_TXN_NOSYNC, 0 );
 460                         break;
 461                 case BDB_INDEX: {
 462                         AttributeDescription *ad = NULL;
 463                         struct berval bv, def = BER_BVC("default");
 464                         char *ptr;
 465                         const char *text;
 466                         for (ptr = c->line; !isspace( *ptr ); ptr++);
 467                         bv.bv_val = c->line;
 468                         bv.bv_len = ptr - bv.bv_val;
 469                         if ( bvmatch( &bv, &def )) {
 470                                 bdb->bi_defaultmask = 0;
 471                         } else {
 472                                 slap_bv2ad( &bv, &ad, &text );
 473                                 if ( ad ) {
 474                                         AttrInfo *ai = bdb_attr_mask( bdb, ad );
 475                                         ai->ai_indexmask |= BDB_INDEX_DELETING;
 476                                         bdb->bi_flags |= BDB_DEL_INDEX;
 477                                         c->cleanup = bdb_cf_cleanup;
 478                                 }
 479                         }
 480                         }
 481                         break;
 482                 }
 483                 return rc;
 484         }
 485
 486         switch( c->type ) {
 487         case BDB_CHKPT:
 488                 bdb->bi_txn_cp = 1;
 489                 bdb->bi_txn_cp_kbyte = strtol( c->argv[1], NULL, 0 );
 490                 bdb->bi_txn_cp_min = strtol( c->argv[2], NULL, 0 );
 491                 /* If we're in server mode and time-based checkpointing is enabled,
 492                  * submit a task to perform periodic checkpoints.
 493                  */
 494                 if ((slapMode & SLAP_SERVER_MODE) && bdb->bi_txn_cp_min ) {
 495                         struct re_s *re = bdb->bi_txn_cp_task;
 496                         if ( re ) {
 497                                 re->interval.tv_sec = bdb->bi_txn_cp_min * 60;
 498                         } else {
 499                                 if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) {
 500                                         fprintf( stderr, "%s: "
 501                                                 "\"checkpoint\" must occur after \"suffix\".\n",
 502                                                 c->log );
 503                                         return 1;
 504                                 }
 505                                 bdb->bi_txn_cp_task = ldap_pvt_runqueue_insert( &slapd_rq,
 506                                         bdb->bi_txn_cp_min * 60, bdb_checkpoint, bdb,
 507                                         LDAP_XSTRING(bdb_checkpoint), c->be->be_suffix[0].bv_val );
 508                         }
 509                 }
 510                 break;
 511
 512         case BDB_CONFIG: {
 513                 char *ptr = c->line;
 514                 struct berval bv;
 515
 516                 if ( c->op == SLAP_CONFIG_ADD ) {
 517                         ptr += STRLENOF("dbconfig");
 518                         while (!isspace(*ptr)) ptr++;
 519                         while (isspace(*ptr)) ptr++;
 520                 }
 521
 522                 if ( bdb->bi_flags & BDB_IS_OPEN ) {
 523                         bdb->bi_flags |= BDB_UPD_CONFIG;
 524                         c->cleanup = bdb_cf_cleanup;
 525                 } else {
 526                 /* If we're just starting up...
 527                  */
 528                         FILE *f;
 529                         /* If a DB_CONFIG file exists, or we don't know the path
 530                          * to the DB_CONFIG file, ignore these directives
 531                          */
 532                         if (( bdb->bi_flags & BDB_HAS_CONFIG ) || !bdb->bi_db_config_path )
 533                                 break;
 534                         f = fopen( bdb->bi_db_config_path, "a" );
 535                         if ( f ) {
 536                                 /* FIXME: EBCDIC probably needs special handling */
 537                                 fprintf( f, "%s\n", ptr );
 538                                 fclose( f );
 539                         }
 540                 }
 541                 ber_str2bv( ptr, 0, 1, &bv );
 542                 ber_bvarray_add( &bdb->bi_db_config, &bv );
 543                 }
 544                 break;
 545
 546         case BDB_DIRECTORY: {
 547                 FILE *f;
 548                 char *ptr;
 549
 550                 if ( bdb->bi_dbenv_home )
 551                         ch_free( bdb->bi_dbenv_home );
 552                 bdb->bi_dbenv_home = c->value_string;
 553
 554                 /* See if a DB_CONFIG file already exists here */
 555                 if ( bdb->bi_db_config_path )
 556                         ch_free( bdb->bi_db_config_path );
 557                 bdb->bi_db_config_path = ch_malloc( strlen( bdb->bi_dbenv_home ) +
 558                         STRLENOF(LDAP_DIRSEP) + STRLENOF("DB_CONFIG") + 1 );
 559                 ptr = lutil_strcopy( bdb->bi_db_config_path, bdb->bi_dbenv_home );
 560                 *ptr++ = LDAP_DIRSEP[0];
 561                 strcpy( ptr, "DB_CONFIG" );
 562
 563                 f = fopen( bdb->bi_db_config_path, "r" );
 564                 if ( f ) {
 565                         bdb->bi_flags |= BDB_HAS_CONFIG;
 566                         fclose(f);
 567                 }
 568                 }
 569                 break;
 570
 571         case BDB_NOSYNC:
 572                 if ( c->value_int )
 573                         bdb->bi_dbenv_xflags |= DB_TXN_NOSYNC;
 574                 else
 575                         bdb->bi_dbenv_xflags &= ~DB_TXN_NOSYNC;
 576                 if ( bdb->bi_flags & BDB_IS_OPEN ) {
 577                         bdb->bi_dbenv->set_flags( bdb->bi_dbenv, DB_TXN_NOSYNC,
 578                                 c->value_int );
 579                 }
 580                 break;
 581
 582         case BDB_INDEX:
 583                 rc = bdb_attr_index_config( bdb, c->fname, c->lineno,
 584                         c->argc - 1, &c->argv[1] );
 585
 586                 if( rc != LDAP_SUCCESS ) return 1;
 587                 if (( bdb->bi_flags & BDB_IS_OPEN ) && !bdb->bi_index_task ) {
 588                         /* Start the task as soon as we finish here. Set a long
 589                          * interval (10 hours) so that it only gets scheduled once.
 590                          */
 591                         if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) {
 592                                 fprintf( stderr, "%s: "
 593                                         "\"index\" must occur after \"suffix\".\n",
 594                                         c->log );
 595                                 return 1;
 596                         }
 597                         bdb->bi_index_task = ldap_pvt_runqueue_insert( &slapd_rq, 36000,
 598                                 bdb_online_index, c->be,
 599                                 LDAP_XSTRING(bdb_online_index), c->be->be_suffix[0].bv_val );
 600                 }
 601                 break;
 602
 603         case BDB_LOCKD:
 604                 rc = verb_to_mask( c->argv[1], bdb_lockd );
 605                 if ( BER_BVISNULL(&bdb_lockd[rc].word) ) {
 606                         fprintf( stderr, "%s: "
 607                                 "bad policy (%s) in \"lockDetect <policy>\" line\n",
 608                                 c->log, c->argv[1] );
 609                         return 1;
 610                 }
 611                 bdb->bi_lock_detect = rc;
 612                 break;
 613
 614         case BDB_SSTACK:
 615                 if ( c->value_int < MINIMUM_SEARCH_STACK_DEPTH ) {
 616                         fprintf( stderr,
 617                 "%s: depth %d too small, using %d\n",
 618                         c->log, c->value_int, MINIMUM_SEARCH_STACK_DEPTH );
 619                         c->value_int = MINIMUM_SEARCH_STACK_DEPTH;
 620                 }
 621                 bdb->bi_search_stack_depth = c->value_int;
 622                 break;
 623         }
 624         return 0;
 625 }
 626
 627 int bdb_back_init_cf( BackendInfo *bi )
 628 {
 629         int rc;
 630         bi->bi_cf_ocs = bdbocs;
 631
 632         rc = config_register_schema( bdbcfg, bdbocs );
 633         if ( rc ) return rc;
 634         return 0;
 635 }