/* config.c - bdb backend configuration file routine */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2000-2021 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #include "portable.h" #include #include #include #include #include "back-bdb.h" #include "config.h" #include "lutil.h" #include "ldap_rq.h" #ifdef DB_DIRTY_READ # define SLAP_BDB_ALLOW_DIRTY_READ #endif #define bdb_cf_gen BDB_SYMBOL(cf_gen) #define bdb_cf_cleanup BDB_SYMBOL(cf_cleanup) #define bdb_checkpoint BDB_SYMBOL(checkpoint) #define bdb_online_index BDB_SYMBOL(online_index) static ConfigDriver bdb_cf_gen; enum { BDB_CHKPT = 1, BDB_CONFIG, BDB_CRYPTFILE, BDB_CRYPTKEY, BDB_DIRECTORY, BDB_NOSYNC, BDB_DIRTYR, BDB_INDEX, BDB_LOCKD, BDB_SSTACK, BDB_MODE, BDB_PGSIZE, BDB_CHECKSUM }; static ConfigTable bdbcfg[] = { { "directory", "dir", 2, 2, 0, ARG_STRING|ARG_MAGIC|BDB_DIRECTORY, bdb_cf_gen, "( OLcfgDbAt:0.1 NAME 'olcDbDirectory' " "DESC 'Directory for database content' " "EQUALITY caseIgnoreMatch " "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, { "cachefree", "size", 2, 2, 0, ARG_ULONG|ARG_OFFSET, (void *)offsetof(struct bdb_info, bi_cache.c_minfree), "( OLcfgDbAt:1.11 NAME 'olcDbCacheFree' " "DESC 'Number of extra entries to free when max is reached' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, { "cachesize", "size", 2, 2, 0, ARG_ULONG|ARG_OFFSET, (void *)offsetof(struct bdb_info, bi_cache.c_maxsize), "( OLcfgDbAt:1.1 NAME 'olcDbCacheSize' " "DESC 'Entry cache size in entries' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, { "checkpoint", "kbyte> <[pres,eq,approx,sub]", 2, 3, 0, ARG_MAGIC|BDB_INDEX, bdb_cf_gen, "( OLcfgDbAt:0.2 NAME 'olcDbIndex' " "DESC 'Attribute index parameters' " "EQUALITY caseIgnoreMatch " "SYNTAX OMsDirectoryString )", NULL, NULL }, { "linearindex", NULL, 1, 2, 0, ARG_ON_OFF|ARG_OFFSET, (void *)offsetof(struct bdb_info, bi_linear_index), "( OLcfgDbAt:1.7 NAME 'olcDbLinearIndex' " "DESC 'Index attributes one at a time' " "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, { "lockdetect", "policy", 2, 2, 0, ARG_MAGIC|BDB_LOCKD, bdb_cf_gen, "( OLcfgDbAt:1.8 NAME 'olcDbLockDetect' " "DESC 'Deadlock detection algorithm' " "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, { "mode", "mode", 2, 2, 0, ARG_MAGIC|BDB_MODE, bdb_cf_gen, "( OLcfgDbAt:0.3 NAME 'olcDbMode' " "DESC 'Unix permissions of database files' " "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, { "searchstack", "depth", 2, 2, 0, ARG_INT|ARG_MAGIC|BDB_SSTACK, bdb_cf_gen, "( OLcfgDbAt:1.9 NAME 'olcDbSearchStack' " "DESC 'Depth of search stack in IDLs' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, { "shm_key", "key", 2, 2, 0, ARG_LONG|ARG_OFFSET, (void *)offsetof(struct bdb_info, bi_shm_key), "( OLcfgDbAt:1.10 NAME 'olcDbShmKey' " "DESC 'Key for shared memory region' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, { NULL, NULL, 0, 0, 0, ARG_IGNORED, NULL, NULL, NULL, NULL } }; static ConfigOCs bdbocs[] = { { #ifdef BDB_HIER "( OLcfgDbOc:1.2 " "NAME 'olcHdbConfig' " "DESC 'HDB backend configuration' " #else "( OLcfgDbOc:1.1 " "NAME 'olcBdbConfig' " "DESC 'BDB backend configuration' " #endif "SUP olcDatabaseConfig " "MUST olcDbDirectory " "MAY ( olcDbCacheSize $ olcDbCheckpoint $ olcDbChecksum $ " "olcDbConfig $ olcDbCryptFile $ olcDbCryptKey $ " "olcDbNoSync $ olcDbDirtyRead $ olcDbIDLcacheSize $ " "olcDbIndex $ olcDbLinearIndex $ olcDbLockDetect $ " "olcDbMode $ olcDbSearchStack $ olcDbShmKey $ " "olcDbCacheFree $ olcDbDNcacheSize $ olcDbPageSize ) )", Cft_Database, bdbcfg }, { NULL, 0, NULL } }; static slap_verbmasks bdb_lockd[] = { { BER_BVC("default"), DB_LOCK_DEFAULT }, { BER_BVC("oldest"), DB_LOCK_OLDEST }, { BER_BVC("random"), DB_LOCK_RANDOM }, { BER_BVC("youngest"), DB_LOCK_YOUNGEST }, { BER_BVC("fewest"), DB_LOCK_MINLOCKS }, { BER_BVNULL, 0 } }; /* perform periodic checkpoints */ static void * bdb_checkpoint( void *ctx, void *arg ) { struct re_s *rtask = arg; struct bdb_info *bdb = rtask->arg; TXN_CHECKPOINT( bdb->bi_dbenv, bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 ); ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); return NULL; } /* reindex entries on the fly */ static void * bdb_online_index( void *ctx, void *arg ) { struct re_s *rtask = arg; BackendDB *be = rtask->arg; struct bdb_info *bdb = be->be_private; Connection conn = {0}; OperationBuffer opbuf; Operation *op; DBC *curs; DBT key, data; DB_TXN *txn; DB_LOCK lock; ID id, nid; EntryInfo *ei; int rc, getnext = 1; int i; connection_fake_init( &conn, &opbuf, ctx ); op = &opbuf.ob_op; op->o_bd = be; DBTzero( &key ); DBTzero( &data ); id = 1; key.data = &nid; key.size = key.ulen = sizeof(ID); key.flags = DB_DBT_USERMEM; data.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL; data.dlen = data.ulen = 0; while ( 1 ) { if ( slapd_shutdown ) break; rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &txn, bdb->bi_db_opflags ); if ( rc ) break; Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_online_index) ": txn id: %x\n", txn->id(txn), 0, 0 ); if ( getnext ) { getnext = 0; BDB_ID2DISK( id, &nid ); rc = bdb->bi_id2entry->bdi_db->cursor( bdb->bi_id2entry->bdi_db, txn, &curs, bdb->bi_db_opflags ); if ( rc ) { TXN_ABORT( txn ); break; } rc = curs->c_get( curs, &key, &data, DB_SET_RANGE ); curs->c_close( curs ); if ( rc ) { TXN_ABORT( txn ); if ( rc == DB_NOTFOUND ) rc = 0; if ( rc == DB_LOCK_DEADLOCK ) { ldap_pvt_thread_yield(); continue; } break; } BDB_DISK2ID( &nid, &id ); } ei = NULL; rc = bdb_cache_find_id( op, txn, id, &ei, 0, &lock ); if ( rc ) { TXN_ABORT( txn ); if ( rc == DB_LOCK_DEADLOCK ) { ldap_pvt_thread_yield(); continue; } if ( rc == DB_NOTFOUND ) { id++; getnext = 1; continue; } break; } if ( ei->bei_e ) { rc = bdb_index_entry( op, txn, BDB_INDEX_UPDATE_OP, ei->bei_e ); if ( rc ) { TXN_ABORT( txn ); if ( rc == DB_LOCK_DEADLOCK ) { ldap_pvt_thread_yield(); continue; } break; } rc = TXN_COMMIT( txn, 0 ); txn = NULL; } id++; getnext = 1; } for ( i = 0; i < bdb->bi_nattrs; i++ ) { if ( bdb->bi_attrs[ i ]->ai_indexmask & BDB_INDEX_DELETING || bdb->bi_attrs[ i ]->ai_newmask == 0 ) { continue; } bdb->bi_attrs[ i ]->ai_indexmask = bdb->bi_attrs[ i ]->ai_newmask; bdb->bi_attrs[ i ]->ai_newmask = 0; } ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); bdb->bi_index_task = NULL; ldap_pvt_runqueue_remove( &slapd_rq, rtask ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); return NULL; } /* Cleanup loose ends after Modify completes */ static int bdb_cf_cleanup( ConfigArgs *c ) { struct bdb_info *bdb = c->be->be_private; int rc = 0; BerVarray bva; if ( bdb->bi_flags & BDB_DEL_INDEX ) { bdb_attr_flush( bdb ); bdb->bi_flags ^= BDB_DEL_INDEX; } if ( bdb->bi_flags & BDB_RE_OPEN ) { bdb->bi_flags ^= BDB_RE_OPEN; bva = bdb->bi_db_config; bdb->bi_db_config = NULL; rc = c->be->bd_info->bi_db_close( c->be, &c->reply ); if ( rc == 0 ) { if ( bdb->bi_flags & BDB_UPD_CONFIG ) { if ( bva ) { int i; FILE *f = fopen( bdb->bi_db_config_path, "w" ); if ( f ) { bdb->bi_db_config = bva; bva = NULL; for (i=0; bdb->bi_db_config[i].bv_val; i++) fprintf( f, "%s\n", bdb->bi_db_config[i].bv_val ); fclose( f ); } else { ber_bvarray_free( bva ); } } else { unlink( bdb->bi_db_config_path ); } bdb->bi_flags ^= BDB_UPD_CONFIG; } rc = c->be->bd_info->bi_db_open( c->be, &c->reply ); } /* If this fails, we need to restart */ if ( rc ) { slapd_shutdown = 2; snprintf( c->cr_msg, sizeof( c->cr_msg ), "failed to reopen database, rc=%d", rc ); Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_cf_cleanup) ": %s\n", c->cr_msg, 0, 0 ); rc = LDAP_OTHER; } } return rc; } static int bdb_cf_gen( ConfigArgs *c ) { struct bdb_info *bdb = c->be->be_private; int rc; if ( c->op == SLAP_CONFIG_EMIT ) { rc = 0; switch( c->type ) { case BDB_MODE: { char buf[64]; struct berval bv; bv.bv_len = snprintf( buf, sizeof(buf), "0%o", bdb->bi_dbenv_mode ); if ( bv.bv_len > 0 && bv.bv_len < sizeof(buf) ) { bv.bv_val = buf; value_add_one( &c->rvalue_vals, &bv ); } else { rc = 1; } } break; case BDB_CHKPT: if ( bdb->bi_txn_cp ) { char buf[64]; struct berval bv; bv.bv_len = snprintf( buf, sizeof(buf), "%ld %ld", (long) bdb->bi_txn_cp_kbyte, (long) bdb->bi_txn_cp_min ); if ( bv.bv_len > 0 && bv.bv_len < sizeof(buf) ) { bv.bv_val = buf; value_add_one( &c->rvalue_vals, &bv ); } else { rc = 1; } } else { rc = 1; } break; case BDB_CRYPTFILE: if ( bdb->bi_db_crypt_file ) { c->value_string = ch_strdup( bdb->bi_db_crypt_file ); } else { rc = 1; } break; /* If a crypt file has been set, its contents are copied here. * But we don't want the key to be incorporated here. */ case BDB_CRYPTKEY: if ( !bdb->bi_db_crypt_file && !BER_BVISNULL( &bdb->bi_db_crypt_key )) { value_add_one( &c->rvalue_vals, &bdb->bi_db_crypt_key ); } else { rc = 1; } break; case BDB_DIRECTORY: if ( bdb->bi_dbenv_home ) { c->value_string = ch_strdup( bdb->bi_dbenv_home ); } else { rc = 1; } break; case BDB_CONFIG: if ( !( bdb->bi_flags & BDB_IS_OPEN ) && !bdb->bi_db_config ) { char buf[SLAP_TEXT_BUFLEN]; FILE *f = fopen( bdb->bi_db_config_path, "r" ); struct berval bv; if ( f ) { bdb->bi_flags |= BDB_HAS_CONFIG; while ( fgets( buf, sizeof(buf), f )) { ber_str2bv( buf, 0, 1, &bv ); if ( bv.bv_len > 0 && bv.bv_val[bv.bv_len-1] == '\n' ) { bv.bv_len--; bv.bv_val[bv.bv_len] = '\0'; } /* shouldn't need this, but ... */ if ( bv.bv_len > 0 && bv.bv_val[bv.bv_len-1] == '\r' ) { bv.bv_len--; bv.bv_val[bv.bv_len] = '\0'; } ber_bvarray_add( &bdb->bi_db_config, &bv ); } fclose( f ); } } if ( bdb->bi_db_config ) { int i; struct berval bv; bv.bv_val = c->log; for (i=0; !BER_BVISNULL(&bdb->bi_db_config[i]); i++) { bv.bv_len = sprintf( bv.bv_val, "{%d}%s", i, bdb->bi_db_config[i].bv_val ); value_add_one( &c->rvalue_vals, &bv ); } } if ( !c->rvalue_vals ) rc = 1; break; case BDB_NOSYNC: if ( bdb->bi_dbenv_xflags & DB_TXN_NOSYNC ) c->value_int = 1; break; case BDB_CHECKSUM: if ( bdb->bi_flags & BDB_CHKSUM ) c->value_int = 1; break; case BDB_INDEX: bdb_attr_index_unparse( bdb, &c->rvalue_vals ); if ( !c->rvalue_vals ) rc = 1; break; case BDB_LOCKD: rc = 1; if ( bdb->bi_lock_detect != DB_LOCK_DEFAULT ) { int i; for (i=0; !BER_BVISNULL(&bdb_lockd[i].word); i++) { if ( bdb->bi_lock_detect == (u_int32_t)bdb_lockd[i].mask ) { value_add_one( &c->rvalue_vals, &bdb_lockd[i].word ); rc = 0; break; } } } break; case BDB_SSTACK: c->value_int = bdb->bi_search_stack_depth; break; case BDB_PGSIZE: { struct bdb_db_pgsize *ps; char buf[SLAP_TEXT_BUFLEN]; struct berval bv; int rc = 1; bv.bv_val = buf; for ( ps = bdb->bi_pagesizes; ps; ps = ps->bdp_next ) { bv.bv_len = sprintf( buf, "%s %d", ps->bdp_name.bv_val, ps->bdp_size / 1024 ); value_add_one( &c->rvalue_vals, &bv ); rc = 0; } break; } } return rc; } else if ( c->op == LDAP_MOD_DELETE ) { rc = 0; switch( c->type ) { case BDB_MODE: #if 0 /* FIXME: does it make any sense to change the mode, * if we don't exec a chmod()? */ bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE; break; #endif /* single-valued no-ops */ case BDB_LOCKD: case BDB_SSTACK: break; case BDB_CHKPT: if ( bdb->bi_txn_cp_task ) { struct re_s *re = bdb->bi_txn_cp_task; bdb->bi_txn_cp_task = NULL; ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) ) ldap_pvt_runqueue_stoptask( &slapd_rq, re ); ldap_pvt_runqueue_remove( &slapd_rq, re ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); } bdb->bi_txn_cp = 0; break; case BDB_CONFIG: if ( c->valx < 0 ) { ber_bvarray_free( bdb->bi_db_config ); bdb->bi_db_config = NULL; } else { int i = c->valx; ch_free( bdb->bi_db_config[i].bv_val ); for (; bdb->bi_db_config[i].bv_val; i++) bdb->bi_db_config[i] = bdb->bi_db_config[i+1]; } bdb->bi_flags |= BDB_UPD_CONFIG|BDB_RE_OPEN; c->cleanup = bdb_cf_cleanup; break; /* Doesn't really make sense to change these on the fly; * the entire DB must be dumped and reloaded */ case BDB_CRYPTFILE: if ( bdb->bi_db_crypt_file ) { ch_free( bdb->bi_db_crypt_file ); bdb->bi_db_crypt_file = NULL; } /* FALLTHRU */ case BDB_CRYPTKEY: if ( !BER_BVISNULL( &bdb->bi_db_crypt_key )) { ch_free( bdb->bi_db_crypt_key.bv_val ); BER_BVZERO( &bdb->bi_db_crypt_key ); } break; case BDB_DIRECTORY: bdb->bi_flags |= BDB_RE_OPEN; bdb->bi_flags ^= BDB_HAS_CONFIG; ch_free( bdb->bi_dbenv_home ); bdb->bi_dbenv_home = NULL; ch_free( bdb->bi_db_config_path ); bdb->bi_db_config_path = NULL; c->cleanup = bdb_cf_cleanup; ldap_pvt_thread_pool_purgekey( bdb->bi_dbenv ); break; case BDB_NOSYNC: bdb->bi_dbenv->set_flags( bdb->bi_dbenv, DB_TXN_NOSYNC, 0 ); break; case BDB_CHECKSUM: bdb->bi_flags &= ~BDB_CHKSUM; break; case BDB_INDEX: if ( c->valx == -1 ) { int i; /* delete all */ for ( i = 0; i < bdb->bi_nattrs; i++ ) { bdb->bi_attrs[i]->ai_indexmask |= BDB_INDEX_DELETING; } bdb->bi_defaultmask = 0; bdb->bi_flags |= BDB_DEL_INDEX; c->cleanup = bdb_cf_cleanup; } else { struct berval bv, def = BER_BVC("default"); char *ptr; for (ptr = c->line; !isspace( (unsigned char) *ptr ); ptr++); bv.bv_val = c->line; bv.bv_len = ptr - bv.bv_val; if ( bvmatch( &bv, &def )) { bdb->bi_defaultmask = 0; } else { int i; char **attrs; char sep; sep = bv.bv_val[ bv.bv_len ]; bv.bv_val[ bv.bv_len ] = '\0'; attrs = ldap_str2charray( bv.bv_val, "," ); for ( i = 0; attrs[ i ]; i++ ) { AttributeDescription *ad = NULL; const char *text; AttrInfo *ai; slap_str2ad( attrs[ i ], &ad, &text ); /* if we got here... */ assert( ad != NULL ); ai = bdb_attr_mask( bdb, ad ); /* if we got here... */ assert( ai != NULL ); ai->ai_indexmask |= BDB_INDEX_DELETING; bdb->bi_flags |= BDB_DEL_INDEX; c->cleanup = bdb_cf_cleanup; } bv.bv_val[ bv.bv_len ] = sep; ldap_charray_free( attrs ); } } break; /* doesn't make sense on the fly; the DB file must be * recreated */ case BDB_PGSIZE: { struct bdb_db_pgsize *ps, **prev; int i; for ( i = 0, prev = &bdb->bi_pagesizes, ps = *prev; ps; prev = &ps->bdp_next, ps = ps->bdp_next, i++ ) { if ( c->valx == -1 || i == c->valx ) { *prev = ps->bdp_next; ch_free( ps ); ps = *prev; if ( i == c->valx ) break; } } } break; } return rc; } switch( c->type ) { case BDB_MODE: if ( ASCII_DIGIT( c->argv[1][0] ) ) { long mode; char *next; errno = 0; mode = strtol( c->argv[1], &next, 0 ); if ( errno != 0 || next == c->argv[1] || next[0] != '\0' ) { fprintf( stderr, "%s: " "unable to parse mode=\"%s\".\n", c->log, c->argv[1] ); return 1; } bdb->bi_dbenv_mode = mode; } else { char *m = c->argv[1]; int who, what, mode = 0; if ( strlen( m ) != STRLENOF("-rwxrwxrwx") ) { return 1; } if ( m[0] != '-' ) { return 1; } m++; for ( who = 0; who < 3; who++ ) { for ( what = 0; what < 3; what++, m++ ) { if ( m[0] == '-' ) { continue; } else if ( m[0] != "rwx"[what] ) { return 1; } mode += ((1 << (2 - what)) << 3*(2 - who)); } } bdb->bi_dbenv_mode = mode; } break; case BDB_CHKPT: { long l; bdb->bi_txn_cp = 1; if ( lutil_atolx( &l, c->argv[1], 0 ) != 0 ) { fprintf( stderr, "%s: " "invalid kbyte \"%s\" in \"checkpoint\".\n", c->log, c->argv[1] ); return 1; } bdb->bi_txn_cp_kbyte = l; if ( lutil_atolx( &l, c->argv[2], 0 ) != 0 ) { fprintf( stderr, "%s: " "invalid minutes \"%s\" in \"checkpoint\".\n", c->log, c->argv[2] ); return 1; } bdb->bi_txn_cp_min = l; /* If we're in server mode and time-based checkpointing is enabled, * submit a task to perform periodic checkpoints. */ if ((slapMode & SLAP_SERVER_MODE) && bdb->bi_txn_cp_min ) { struct re_s *re = bdb->bi_txn_cp_task; if ( re ) { re->interval.tv_sec = bdb->bi_txn_cp_min * 60; } else { if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) { fprintf( stderr, "%s: " "\"checkpoint\" must occur after \"suffix\".\n", c->log ); return 1; } ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); bdb->bi_txn_cp_task = ldap_pvt_runqueue_insert( &slapd_rq, bdb->bi_txn_cp_min * 60, bdb_checkpoint, bdb, LDAP_XSTRING(bdb_checkpoint), c->be->be_suffix[0].bv_val ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); } } } break; case BDB_CONFIG: { char *ptr = c->line; struct berval bv; if ( c->op == SLAP_CONFIG_ADD ) { ptr += STRLENOF("dbconfig"); while (!isspace((unsigned char)*ptr)) ptr++; while (isspace((unsigned char)*ptr)) ptr++; } if ( bdb->bi_flags & BDB_IS_OPEN ) { bdb->bi_flags |= BDB_UPD_CONFIG|BDB_RE_OPEN; c->cleanup = bdb_cf_cleanup; } else { /* If we're just starting up... */ FILE *f; /* If a DB_CONFIG file exists, or we don't know the path * to the DB_CONFIG file, ignore these directives */ if (( bdb->bi_flags & BDB_HAS_CONFIG ) || !bdb->bi_db_config_path ) break; f = fopen( bdb->bi_db_config_path, "a" ); if ( f ) { /* FIXME: EBCDIC probably needs special handling */ fprintf( f, "%s\n", ptr ); fclose( f ); } } ber_str2bv( ptr, 0, 1, &bv ); ber_bvarray_add( &bdb->bi_db_config, &bv ); } break; case BDB_CRYPTFILE: rc = lutil_get_filed_password( c->value_string, &bdb->bi_db_crypt_key ); if ( rc == 0 ) { bdb->bi_db_crypt_file = c->value_string; } break; /* Cannot set key if file was already set */ case BDB_CRYPTKEY: if ( bdb->bi_db_crypt_file ) { rc = 1; } else { bdb->bi_db_crypt_key = c->value_bv; } break; case BDB_DIRECTORY: { FILE *f; char *ptr, *testpath; int len; len = strlen( c->value_string ); testpath = ch_malloc( len + STRLENOF(LDAP_DIRSEP) + STRLENOF("DUMMY") + 1 ); ptr = lutil_strcopy( testpath, c->value_string ); *ptr++ = LDAP_DIRSEP[0]; strcpy( ptr, "DUMMY" ); f = fopen( testpath, "w" ); if ( f ) { fclose( f ); unlink( testpath ); } ch_free( testpath ); if ( !f ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: invalid path: %s", c->log, strerror( errno )); Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 ); return -1; } if ( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home ); bdb->bi_dbenv_home = c->value_string; /* See if a DB_CONFIG file already exists here */ if ( bdb->bi_db_config_path ) ch_free( bdb->bi_db_config_path ); bdb->bi_db_config_path = ch_malloc( len + STRLENOF(LDAP_DIRSEP) + STRLENOF("DB_CONFIG") + 1 ); ptr = lutil_strcopy( bdb->bi_db_config_path, bdb->bi_dbenv_home ); *ptr++ = LDAP_DIRSEP[0]; strcpy( ptr, "DB_CONFIG" ); f = fopen( bdb->bi_db_config_path, "r" ); if ( f ) { bdb->bi_flags |= BDB_HAS_CONFIG; fclose(f); } } break; case BDB_NOSYNC: if ( c->value_int ) bdb->bi_dbenv_xflags |= DB_TXN_NOSYNC; else bdb->bi_dbenv_xflags &= ~DB_TXN_NOSYNC; if ( bdb->bi_flags & BDB_IS_OPEN ) { bdb->bi_dbenv->set_flags( bdb->bi_dbenv, DB_TXN_NOSYNC, c->value_int ); } break; case BDB_CHECKSUM: if ( c->value_int ) bdb->bi_flags |= BDB_CHKSUM; else bdb->bi_flags &= ~BDB_CHKSUM; break; case BDB_INDEX: rc = bdb_attr_index_config( bdb, c->fname, c->lineno, c->argc - 1, &c->argv[1], &c->reply); if( rc != LDAP_SUCCESS ) return 1; if (( bdb->bi_flags & BDB_IS_OPEN ) && !bdb->bi_index_task ) { /* Start the task as soon as we finish here. Set a long * interval (10 hours) so that it only gets scheduled once. */ if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) { fprintf( stderr, "%s: " "\"index\" must occur after \"suffix\".\n", c->log ); return 1; } ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); bdb->bi_index_task = ldap_pvt_runqueue_insert( &slapd_rq, 36000, bdb_online_index, c->be, LDAP_XSTRING(bdb_online_index), c->be->be_suffix[0].bv_val ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); } break; case BDB_LOCKD: rc = verb_to_mask( c->argv[1], bdb_lockd ); if ( BER_BVISNULL(&bdb_lockd[rc].word) ) { fprintf( stderr, "%s: " "bad policy (%s) in \"lockDetect \" line\n", c->log, c->argv[1] ); return 1; } bdb->bi_lock_detect = (u_int32_t)rc; break; case BDB_SSTACK: if ( c->value_int < MINIMUM_SEARCH_STACK_DEPTH ) { fprintf( stderr, "%s: depth %d too small, using %d\n", c->log, c->value_int, MINIMUM_SEARCH_STACK_DEPTH ); c->value_int = MINIMUM_SEARCH_STACK_DEPTH; } bdb->bi_search_stack_depth = c->value_int; break; case BDB_PGSIZE: { struct bdb_db_pgsize *ps, **prev; int i, s; s = atoi(c->argv[2]); if ( s < 1 || s > 64 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: size must be > 0 and <= 64: %d", c->log, s ); Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 ); return -1; } i = strlen(c->argv[1]); ps = ch_malloc( sizeof(struct bdb_db_pgsize) + i + 1 ); ps->bdp_next = NULL; ps->bdp_name.bv_len = i; ps->bdp_name.bv_val = (char *)(ps+1); strcpy( ps->bdp_name.bv_val, c->argv[1] ); ps->bdp_size = s * 1024; for ( prev = &bdb->bi_pagesizes; *prev; prev = &(*prev)->bdp_next ) ; *prev = ps; } break; } return 0; } int bdb_back_init_cf( BackendInfo *bi ) { int rc; bi->bi_cf_ocs = bdbocs; rc = config_register_schema( bdbcfg, bdbocs ); if ( rc ) return rc; return 0; }