1 /* $NetBSD: config.c,v 1.2 2020/08/11 13:15:40 christos Exp $ */ 2 3 /* config.c - mdb backend configuration file routine */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 2000-2020 The OpenLDAP Foundation. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in the file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 19 #include <sys/cdefs.h> 20 __RCSID("$NetBSD: config.c,v 1.2 2020/08/11 13:15:40 christos Exp $"); 21 22 #include "portable.h" 23 24 #include <stdio.h> 25 #include <ac/ctype.h> 26 #include <ac/string.h> 27 #include <ac/errno.h> 28 29 #include "back-mdb.h" 30 31 #include "config.h" 32 33 #include "lutil.h" 34 #include "ldap_rq.h" 35 36 static ConfigDriver mdb_cf_gen; 37 38 enum { 39 MDB_CHKPT = 1, 40 MDB_DIRECTORY, 41 MDB_DBNOSYNC, 42 MDB_ENVFLAGS, 43 MDB_INDEX, 44 MDB_MAXREADERS, 45 MDB_MAXSIZE, 46 MDB_MODE, 47 MDB_SSTACK 48 }; 49 50 static ConfigTable mdbcfg[] = { 51 { "directory", "dir", 2, 2, 0, ARG_STRING|ARG_MAGIC|MDB_DIRECTORY, 52 mdb_cf_gen, "( OLcfgDbAt:0.1 NAME 'olcDbDirectory' " 53 "DESC 'Directory for database content' " 54 "EQUALITY caseIgnoreMatch " 55 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, 56 { "checkpoint", "kbyte> <min", 3, 3, 0, ARG_MAGIC|MDB_CHKPT, 57 mdb_cf_gen, "( OLcfgDbAt:1.2 NAME 'olcDbCheckpoint' " 58 "DESC 'Database checkpoint interval in kbytes and minutes' " 59 "SYNTAX OMsDirectoryString SINGLE-VALUE )",NULL, NULL }, 60 { "dbnosync", NULL, 1, 2, 0, ARG_ON_OFF|ARG_MAGIC|MDB_DBNOSYNC, 61 mdb_cf_gen, "( OLcfgDbAt:1.4 NAME 'olcDbNoSync' " 62 "DESC 'Disable synchronous database writes' " 63 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, 64 { "envflags", "flags", 2, 0, 0, ARG_MAGIC|MDB_ENVFLAGS, 65 mdb_cf_gen, "( OLcfgDbAt:12.3 NAME 'olcDbEnvFlags' " 66 "DESC 'Database environment flags' " 67 "EQUALITY caseIgnoreMatch " 68 "SYNTAX OMsDirectoryString )", NULL, NULL }, 69 { "index", "attr> <[pres,eq,approx,sub]", 2, 3, 0, ARG_MAGIC|MDB_INDEX, 70 mdb_cf_gen, "( OLcfgDbAt:0.2 NAME 'olcDbIndex' " 71 "DESC 'Attribute index parameters' " 72 "EQUALITY caseIgnoreMatch " 73 "SYNTAX OMsDirectoryString )", NULL, NULL }, 74 { "maxreaders", "num", 2, 2, 0, ARG_UINT|ARG_MAGIC|MDB_MAXREADERS, 75 mdb_cf_gen, "( OLcfgDbAt:12.1 NAME 'olcDbMaxReaders' " 76 "DESC 'Maximum number of threads that may access the DB concurrently' " 77 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, 78 { "maxsize", "size", 2, 2, 0, ARG_ULONG|ARG_MAGIC|MDB_MAXSIZE, 79 mdb_cf_gen, "( OLcfgDbAt:12.2 NAME 'olcDbMaxSize' " 80 "DESC 'Maximum size of DB in bytes' " 81 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, 82 { "mode", "mode", 2, 2, 0, ARG_MAGIC|MDB_MODE, 83 mdb_cf_gen, "( OLcfgDbAt:0.3 NAME 'olcDbMode' " 84 "DESC 'Unix permissions of database files' " 85 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, 86 { "rtxnsize", "entries", 2, 2, 0, ARG_UINT|ARG_OFFSET, 87 (void *)offsetof(struct mdb_info, mi_rtxn_size), 88 "( OLcfgDbAt:12.5 NAME 'olcDbRtxnSize' " 89 "DESC 'Number of entries to process in one read transaction' " 90 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, 91 { "searchstack", "depth", 2, 2, 0, ARG_INT|ARG_MAGIC|MDB_SSTACK, 92 mdb_cf_gen, "( OLcfgDbAt:1.9 NAME 'olcDbSearchStack' " 93 "DESC 'Depth of search stack in IDLs' " 94 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, 95 { NULL, NULL, 0, 0, 0, ARG_IGNORED, 96 NULL, NULL, NULL, NULL } 97 }; 98 99 static ConfigOCs mdbocs[] = { 100 { 101 "( OLcfgDbOc:12.1 " 102 "NAME 'olcMdbConfig' " 103 "DESC 'MDB backend configuration' " 104 "SUP olcDatabaseConfig " 105 "MUST olcDbDirectory " 106 "MAY ( olcDbCheckpoint $ olcDbEnvFlags $ " 107 "olcDbNoSync $ olcDbIndex $ olcDbMaxReaders $ olcDbMaxSize $ " 108 "olcDbMode $ olcDbSearchStack $ olcDbRtxnSize ) )", 109 Cft_Database, mdbcfg }, 110 { NULL, 0, NULL } 111 }; 112 113 static slap_verbmasks mdb_envflags[] = { 114 { BER_BVC("nosync"), MDB_NOSYNC }, 115 { BER_BVC("nometasync"), MDB_NOMETASYNC }, 116 { BER_BVC("writemap"), MDB_WRITEMAP }, 117 { BER_BVC("mapasync"), MDB_MAPASYNC }, 118 { BER_BVC("nordahead"), MDB_NORDAHEAD }, 119 { BER_BVNULL, 0 } 120 }; 121 122 /* perform periodic syncs */ 123 static void * 124 mdb_checkpoint( void *ctx, void *arg ) 125 { 126 struct re_s *rtask = arg; 127 struct mdb_info *mdb = rtask->arg; 128 129 mdb_env_sync( mdb->mi_dbenv, 1 ); 130 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); 131 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); 132 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); 133 return NULL; 134 } 135 136 /* reindex entries on the fly */ 137 static void * 138 mdb_online_index( void *ctx, void *arg ) 139 { 140 struct re_s *rtask = arg; 141 BackendDB *be = rtask->arg; 142 struct mdb_info *mdb = be->be_private; 143 144 Connection conn = {0}; 145 OperationBuffer opbuf; 146 Operation *op; 147 148 MDB_cursor *curs; 149 MDB_val key, data; 150 MDB_txn *txn; 151 ID id; 152 Entry *e; 153 int rc, getnext = 1; 154 int i; 155 156 connection_fake_init( &conn, &opbuf, ctx ); 157 op = &opbuf.ob_op; 158 159 op->o_bd = be; 160 161 id = 1; 162 key.mv_size = sizeof(ID); 163 164 while ( 1 ) { 165 if ( slapd_shutdown ) 166 break; 167 168 rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn ); 169 if ( rc ) 170 break; 171 rc = mdb_cursor_open( txn, mdb->mi_id2entry, &curs ); 172 if ( rc ) { 173 mdb_txn_abort( txn ); 174 break; 175 } 176 if ( getnext ) { 177 getnext = 0; 178 key.mv_data = &id; 179 rc = mdb_cursor_get( curs, &key, &data, MDB_SET_RANGE ); 180 if ( rc ) { 181 mdb_txn_abort( txn ); 182 if ( rc == MDB_NOTFOUND ) 183 rc = 0; 184 break; 185 } 186 memcpy( &id, key.mv_data, sizeof( id )); 187 } 188 189 rc = mdb_id2entry( op, curs, id, &e ); 190 mdb_cursor_close( curs ); 191 if ( rc ) { 192 mdb_txn_abort( txn ); 193 if ( rc == MDB_NOTFOUND ) { 194 id++; 195 getnext = 1; 196 continue; 197 } 198 break; 199 } 200 rc = mdb_index_entry( op, txn, MDB_INDEX_UPDATE_OP, e ); 201 mdb_entry_return( op, e ); 202 if ( rc == 0 ) { 203 rc = mdb_txn_commit( txn ); 204 txn = NULL; 205 } else { 206 mdb_txn_abort( txn ); 207 txn = NULL; 208 } 209 if ( rc ) { 210 Debug( LDAP_DEBUG_ANY, 211 LDAP_XSTRING(mdb_online_index) ": database %s: " 212 "txn_commit failed: %s (%d)\n", 213 be->be_suffix[0].bv_val, mdb_strerror(rc), rc ); 214 break; 215 } 216 id++; 217 getnext = 1; 218 } 219 220 for ( i = 0; i < mdb->mi_nattrs; i++ ) { 221 if ( mdb->mi_attrs[ i ]->ai_indexmask & MDB_INDEX_DELETING 222 || mdb->mi_attrs[ i ]->ai_newmask == 0 ) 223 { 224 continue; 225 } 226 mdb->mi_attrs[ i ]->ai_indexmask = mdb->mi_attrs[ i ]->ai_newmask; 227 mdb->mi_attrs[ i ]->ai_newmask = 0; 228 } 229 230 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); 231 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); 232 mdb->mi_index_task = NULL; 233 ldap_pvt_runqueue_remove( &slapd_rq, rtask ); 234 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); 235 236 return NULL; 237 } 238 239 /* Cleanup loose ends after Modify completes */ 240 static int 241 mdb_cf_cleanup( ConfigArgs *c ) 242 { 243 struct mdb_info *mdb = c->be->be_private; 244 int rc = 0; 245 246 if ( mdb->mi_flags & MDB_DEL_INDEX ) { 247 mdb_attr_flush( mdb ); 248 mdb->mi_flags ^= MDB_DEL_INDEX; 249 } 250 251 if ( mdb->mi_flags & MDB_RE_OPEN ) { 252 mdb->mi_flags ^= MDB_RE_OPEN; 253 rc = c->be->bd_info->bi_db_close( c->be, &c->reply ); 254 if ( rc == 0 ) 255 rc = c->be->bd_info->bi_db_open( c->be, &c->reply ); 256 /* If this fails, we need to restart */ 257 if ( rc ) { 258 slapd_shutdown = 2; 259 snprintf( c->cr_msg, sizeof( c->cr_msg ), 260 "failed to reopen database, rc=%d", rc ); 261 Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(mdb_cf_cleanup) 262 ": %s\n", c->cr_msg, 0, 0 ); 263 rc = LDAP_OTHER; 264 } 265 } 266 267 if ( mdb->mi_flags & MDB_OPEN_INDEX ) { 268 mdb->mi_flags ^= MDB_OPEN_INDEX; 269 rc = mdb_attr_dbs_open( c->be, NULL, &c->reply ); 270 if ( rc ) 271 rc = LDAP_OTHER; 272 } 273 return rc; 274 } 275 276 static int 277 mdb_cf_gen( ConfigArgs *c ) 278 { 279 struct mdb_info *mdb = c->be->be_private; 280 int rc; 281 282 if ( c->op == SLAP_CONFIG_EMIT ) { 283 rc = 0; 284 switch( c->type ) { 285 case MDB_MODE: { 286 char buf[64]; 287 struct berval bv; 288 bv.bv_len = snprintf( buf, sizeof(buf), "0%o", mdb->mi_dbenv_mode ); 289 if ( bv.bv_len > 0 && bv.bv_len < sizeof(buf) ) { 290 bv.bv_val = buf; 291 value_add_one( &c->rvalue_vals, &bv ); 292 } else { 293 rc = 1; 294 } 295 } break; 296 297 case MDB_CHKPT: 298 if ( mdb->mi_txn_cp ) { 299 char buf[64]; 300 struct berval bv; 301 bv.bv_len = snprintf( buf, sizeof(buf), "%ld %ld", 302 (long) mdb->mi_txn_cp_kbyte, (long) mdb->mi_txn_cp_min ); 303 if ( bv.bv_len > 0 && bv.bv_len < sizeof(buf) ) { 304 bv.bv_val = buf; 305 value_add_one( &c->rvalue_vals, &bv ); 306 } else { 307 rc = 1; 308 } 309 } else { 310 rc = 1; 311 } 312 break; 313 314 case MDB_DIRECTORY: 315 if ( mdb->mi_dbenv_home ) { 316 c->value_string = ch_strdup( mdb->mi_dbenv_home ); 317 } else { 318 rc = 1; 319 } 320 break; 321 322 case MDB_DBNOSYNC: 323 if ( mdb->mi_dbenv_flags & MDB_NOSYNC ) 324 c->value_int = 1; 325 break; 326 327 case MDB_ENVFLAGS: 328 if ( mdb->mi_dbenv_flags ) { 329 mask_to_verbs( mdb_envflags, mdb->mi_dbenv_flags, &c->rvalue_vals ); 330 } 331 if ( !c->rvalue_vals ) rc = 1; 332 break; 333 334 case MDB_INDEX: 335 mdb_attr_index_unparse( mdb, &c->rvalue_vals ); 336 if ( !c->rvalue_vals ) rc = 1; 337 break; 338 339 case MDB_SSTACK: 340 c->value_int = mdb->mi_search_stack_depth; 341 break; 342 343 case MDB_MAXREADERS: 344 c->value_int = mdb->mi_readers; 345 break; 346 347 case MDB_MAXSIZE: 348 c->value_ulong = mdb->mi_mapsize; 349 break; 350 } 351 return rc; 352 } else if ( c->op == LDAP_MOD_DELETE ) { 353 rc = 0; 354 switch( c->type ) { 355 case MDB_MODE: 356 #if 0 357 /* FIXME: does it make any sense to change the mode, 358 * if we don't exec a chmod()? */ 359 mdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE; 360 break; 361 #endif 362 363 /* single-valued no-ops */ 364 case MDB_SSTACK: 365 case MDB_MAXREADERS: 366 case MDB_MAXSIZE: 367 break; 368 369 case MDB_CHKPT: 370 if ( mdb->mi_txn_cp_task ) { 371 struct re_s *re = mdb->mi_txn_cp_task; 372 mdb->mi_txn_cp_task = NULL; 373 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); 374 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) ) 375 ldap_pvt_runqueue_stoptask( &slapd_rq, re ); 376 ldap_pvt_runqueue_remove( &slapd_rq, re ); 377 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); 378 } 379 mdb->mi_txn_cp = 0; 380 break; 381 case MDB_DIRECTORY: 382 mdb->mi_flags |= MDB_RE_OPEN; 383 ch_free( mdb->mi_dbenv_home ); 384 mdb->mi_dbenv_home = NULL; 385 c->cleanup = mdb_cf_cleanup; 386 ldap_pvt_thread_pool_purgekey( mdb->mi_dbenv ); 387 break; 388 case MDB_DBNOSYNC: 389 mdb_env_set_flags( mdb->mi_dbenv, MDB_NOSYNC, 0 ); 390 mdb->mi_dbenv_flags &= ~MDB_NOSYNC; 391 break; 392 393 case MDB_ENVFLAGS: 394 if ( c->valx == -1 ) { 395 int i; 396 for ( i=0; mdb_envflags[i].mask; i++) { 397 if ( mdb->mi_dbenv_flags & mdb_envflags[i].mask ) { 398 /* not all flags are runtime resettable */ 399 rc = mdb_env_set_flags( mdb->mi_dbenv, mdb_envflags[i].mask, 0 ); 400 if ( rc ) { 401 mdb->mi_flags |= MDB_RE_OPEN; 402 c->cleanup = mdb_cf_cleanup; 403 rc = 0; 404 } 405 mdb->mi_dbenv_flags ^= mdb_envflags[i].mask; 406 } 407 } 408 } else { 409 int i = verb_to_mask( c->line, mdb_envflags ); 410 if ( mdb_envflags[i].mask & mdb->mi_dbenv_flags ) { 411 rc = mdb_env_set_flags( mdb->mi_dbenv, mdb_envflags[i].mask, 0 ); 412 if ( rc ) { 413 mdb->mi_flags |= MDB_RE_OPEN; 414 c->cleanup = mdb_cf_cleanup; 415 rc = 0; 416 } 417 mdb->mi_dbenv_flags ^= mdb_envflags[i].mask; 418 } else { 419 /* unknown keyword */ 420 snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: unknown keyword \"%s\"", 421 c->argv[0], c->argv[i] ); 422 Debug( LDAP_DEBUG_CONFIG, "%s %s\n", c->log, c->cr_msg, 0 ); 423 rc = 1; 424 } 425 } 426 break; 427 428 case MDB_INDEX: 429 if ( c->valx == -1 ) { 430 int i; 431 432 /* delete all */ 433 for ( i = 0; i < mdb->mi_nattrs; i++ ) { 434 mdb->mi_attrs[i]->ai_indexmask |= MDB_INDEX_DELETING; 435 } 436 mdb->mi_defaultmask = 0; 437 mdb->mi_flags |= MDB_DEL_INDEX; 438 c->cleanup = mdb_cf_cleanup; 439 440 } else { 441 struct berval bv, def = BER_BVC("default"); 442 char *ptr; 443 444 for (ptr = c->line; !isspace( (unsigned char) *ptr ); ptr++); 445 446 bv.bv_val = c->line; 447 bv.bv_len = ptr - bv.bv_val; 448 if ( bvmatch( &bv, &def )) { 449 mdb->mi_defaultmask = 0; 450 451 } else { 452 int i; 453 char **attrs; 454 char sep; 455 456 sep = bv.bv_val[ bv.bv_len ]; 457 bv.bv_val[ bv.bv_len ] = '\0'; 458 attrs = ldap_str2charray( bv.bv_val, "," ); 459 460 for ( i = 0; attrs[ i ]; i++ ) { 461 AttributeDescription *ad = NULL; 462 const char *text; 463 AttrInfo *ai; 464 465 slap_str2ad( attrs[ i ], &ad, &text ); 466 /* if we got here... */ 467 assert( ad != NULL ); 468 469 ai = mdb_attr_mask( mdb, ad ); 470 /* if we got here... */ 471 assert( ai != NULL ); 472 473 ai->ai_indexmask |= MDB_INDEX_DELETING; 474 mdb->mi_flags |= MDB_DEL_INDEX; 475 c->cleanup = mdb_cf_cleanup; 476 } 477 478 bv.bv_val[ bv.bv_len ] = sep; 479 ldap_charray_free( attrs ); 480 } 481 } 482 break; 483 } 484 return rc; 485 } 486 487 switch( c->type ) { 488 case MDB_MODE: 489 if ( ASCII_DIGIT( c->argv[1][0] ) ) { 490 long mode; 491 char *next; 492 errno = 0; 493 mode = strtol( c->argv[1], &next, 0 ); 494 if ( errno != 0 || next == c->argv[1] || next[0] != '\0' ) { 495 fprintf( stderr, "%s: " 496 "unable to parse mode=\"%s\".\n", 497 c->log, c->argv[1] ); 498 return 1; 499 } 500 mdb->mi_dbenv_mode = mode; 501 502 } else { 503 char *m = c->argv[1]; 504 int who, what, mode = 0; 505 506 if ( strlen( m ) != STRLENOF("-rwxrwxrwx") ) { 507 return 1; 508 } 509 510 if ( m[0] != '-' ) { 511 return 1; 512 } 513 514 m++; 515 for ( who = 0; who < 3; who++ ) { 516 for ( what = 0; what < 3; what++, m++ ) { 517 if ( m[0] == '-' ) { 518 continue; 519 } else if ( m[0] != "rwx"[what] ) { 520 return 1; 521 } 522 mode += ((1 << (2 - what)) << 3*(2 - who)); 523 } 524 } 525 mdb->mi_dbenv_mode = mode; 526 } 527 break; 528 case MDB_CHKPT: { 529 unsigned cp_kbyte, cp_min; 530 if ( lutil_atoux( &cp_kbyte, c->argv[1], 0 ) != 0 ) { 531 fprintf( stderr, "%s: " 532 "invalid kbyte \"%s\" in \"checkpoint\".\n", 533 c->log, c->argv[1] ); 534 return 1; 535 } 536 if ( lutil_atoux( &cp_min, c->argv[2], 0 ) != 0 ) { 537 fprintf( stderr, "%s: " 538 "invalid minutes \"%s\" in \"checkpoint\".\n", 539 c->log, c->argv[2] ); 540 return 1; 541 } 542 mdb->mi_txn_cp = 1; 543 mdb->mi_txn_cp_kbyte = cp_kbyte; 544 mdb->mi_txn_cp_min = cp_min; 545 /* If we're in server mode and time-based checkpointing is enabled, 546 * submit a task to perform periodic checkpoints. 547 */ 548 if ((slapMode & SLAP_SERVER_MODE) && mdb->mi_txn_cp_min ) { 549 struct re_s *re = mdb->mi_txn_cp_task; 550 if ( re ) { 551 re->interval.tv_sec = mdb->mi_txn_cp_min * 60; 552 } else { 553 if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) { 554 fprintf( stderr, "%s: " 555 "\"checkpoint\" must occur after \"suffix\".\n", 556 c->log ); 557 return 1; 558 } 559 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); 560 mdb->mi_txn_cp_task = ldap_pvt_runqueue_insert( &slapd_rq, 561 mdb->mi_txn_cp_min * 60, mdb_checkpoint, mdb, 562 LDAP_XSTRING(mdb_checkpoint), c->be->be_suffix[0].bv_val ); 563 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); 564 } 565 } 566 } break; 567 568 case MDB_DIRECTORY: { 569 FILE *f; 570 char *ptr, *testpath; 571 int len; 572 573 len = strlen( c->value_string ); 574 testpath = ch_malloc( len + STRLENOF(LDAP_DIRSEP) + STRLENOF("DUMMY") + 1 ); 575 ptr = lutil_strcopy( testpath, c->value_string ); 576 *ptr++ = LDAP_DIRSEP[0]; 577 strcpy( ptr, "DUMMY" ); 578 f = fopen( testpath, "w" ); 579 if ( f ) { 580 fclose( f ); 581 unlink( testpath ); 582 } 583 ch_free( testpath ); 584 if ( !f ) { 585 snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: invalid path: %s", 586 c->log, strerror( errno )); 587 Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 ); 588 return -1; 589 } 590 591 if ( mdb->mi_dbenv_home ) 592 ch_free( mdb->mi_dbenv_home ); 593 mdb->mi_dbenv_home = c->value_string; 594 595 } 596 break; 597 598 case MDB_DBNOSYNC: 599 if ( c->value_int ) 600 mdb->mi_dbenv_flags |= MDB_NOSYNC; 601 else 602 mdb->mi_dbenv_flags &= ~MDB_NOSYNC; 603 if ( mdb->mi_flags & MDB_IS_OPEN ) { 604 mdb_env_set_flags( mdb->mi_dbenv, MDB_NOSYNC, 605 c->value_int ); 606 } 607 break; 608 609 case MDB_ENVFLAGS: { 610 int i, j; 611 for ( i=1; i<c->argc; i++ ) { 612 j = verb_to_mask( c->argv[i], mdb_envflags ); 613 if ( mdb_envflags[j].mask ) { 614 if ( mdb->mi_flags & MDB_IS_OPEN ) 615 rc = mdb_env_set_flags( mdb->mi_dbenv, mdb_envflags[j].mask, 1 ); 616 else 617 rc = 0; 618 if ( rc ) { 619 mdb->mi_flags |= MDB_RE_OPEN; 620 c->cleanup = mdb_cf_cleanup; 621 rc = 0; 622 } 623 mdb->mi_dbenv_flags |= mdb_envflags[j].mask; 624 } else { 625 /* unknown keyword */ 626 snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: unknown keyword \"%s\"", 627 c->argv[0], c->argv[i] ); 628 Debug( LDAP_DEBUG_ANY, "%s %s\n", c->log, c->cr_msg, 0 ); 629 return 1; 630 } 631 } 632 } 633 break; 634 635 case MDB_INDEX: 636 rc = mdb_attr_index_config( mdb, c->fname, c->lineno, 637 c->argc - 1, &c->argv[1], &c->reply); 638 639 if( rc != LDAP_SUCCESS ) return 1; 640 if ( mdb->mi_flags & MDB_IS_OPEN ) { 641 mdb->mi_flags |= MDB_OPEN_INDEX; 642 c->cleanup = mdb_cf_cleanup; 643 if ( !mdb->mi_index_task ) { 644 /* Start the task as soon as we finish here. Set a long 645 * interval (10 hours) so that it only gets scheduled once. 646 */ 647 if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) { 648 fprintf( stderr, "%s: " 649 "\"index\" must occur after \"suffix\".\n", 650 c->log ); 651 return 1; 652 } 653 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); 654 mdb->mi_index_task = ldap_pvt_runqueue_insert( &slapd_rq, 36000, 655 mdb_online_index, c->be, 656 LDAP_XSTRING(mdb_online_index), c->be->be_suffix[0].bv_val ); 657 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); 658 } 659 } 660 break; 661 662 case MDB_SSTACK: 663 if ( c->value_int < MINIMUM_SEARCH_STACK_DEPTH ) { 664 fprintf( stderr, 665 "%s: depth %d too small, using %d\n", 666 c->log, c->value_int, MINIMUM_SEARCH_STACK_DEPTH ); 667 c->value_int = MINIMUM_SEARCH_STACK_DEPTH; 668 } 669 mdb->mi_search_stack_depth = c->value_int; 670 break; 671 672 case MDB_MAXREADERS: 673 mdb->mi_readers = c->value_int; 674 if ( mdb->mi_flags & MDB_IS_OPEN ) { 675 mdb->mi_flags |= MDB_RE_OPEN; 676 c->cleanup = mdb_cf_cleanup; 677 } 678 break; 679 680 case MDB_MAXSIZE: 681 mdb->mi_mapsize = c->value_ulong; 682 if ( mdb->mi_flags & MDB_IS_OPEN ) { 683 mdb->mi_flags |= MDB_RE_OPEN; 684 c->cleanup = mdb_cf_cleanup; 685 } 686 break; 687 688 } 689 return 0; 690 } 691 692 int mdb_back_init_cf( BackendInfo *bi ) 693 { 694 int rc; 695 bi->bi_cf_ocs = mdbocs; 696 697 rc = config_register_schema( mdbcfg, mdbocs ); 698 if ( rc ) return rc; 699 return 0; 700 } 701