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11850e4605
Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
168 lines
6.5 KiB
C
168 lines
6.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Database interface wrapper around tdb
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Copyright (C) Volker Lendecke 2005-2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DBWRAP_H__
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#define __DBWRAP_H__
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#include "tdb.h"
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struct db_record;
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struct db_context;
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enum dbwrap_lock_order {
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DBWRAP_LOCK_ORDER_1 = 1,
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DBWRAP_LOCK_ORDER_2 = 2,
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DBWRAP_LOCK_ORDER_3 = 3
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};
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#define DBWRAP_LOCK_ORDER_MAX DBWRAP_LOCK_ORDER_3
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/* The following definitions come from lib/dbwrap.c */
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TDB_DATA dbwrap_record_get_key(const struct db_record *rec);
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TDB_DATA dbwrap_record_get_value(const struct db_record *rec);
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NTSTATUS dbwrap_record_store(struct db_record *rec, TDB_DATA data, int flags);
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NTSTATUS dbwrap_record_delete(struct db_record *rec);
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struct db_record *dbwrap_fetch_locked(struct db_context *db,
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TALLOC_CTX *mem_ctx,
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TDB_DATA key);
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struct db_record *dbwrap_try_fetch_locked(struct db_context *db,
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TALLOC_CTX *mem_ctx,
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TDB_DATA key);
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struct db_record *dbwrap_fetch_locked_timeout(struct db_context *db,
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TALLOC_CTX *mem_ctx,
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TDB_DATA key,
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unsigned int timeout);
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struct db_context *dbwrap_record_get_db(struct db_record *rec);
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void dbwrap_set_stored_callback(
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struct db_context *db,
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void (*cb)(struct db_context *db, struct db_record *rec,
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void *private_data),
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void *private_data);
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NTSTATUS dbwrap_delete(struct db_context *db, TDB_DATA key);
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NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
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TDB_DATA data, int flags);
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NTSTATUS dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
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TDB_DATA key, TDB_DATA *value);
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bool dbwrap_exists(struct db_context *db, TDB_DATA key);
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NTSTATUS dbwrap_traverse(struct db_context *db,
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int (*f)(struct db_record*, void*),
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void *private_data,
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int *count);
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NTSTATUS dbwrap_traverse_read(struct db_context *db,
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int (*f)(struct db_record*, void*),
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void *private_data,
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int *count);
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NTSTATUS dbwrap_parse_record(struct db_context *db, TDB_DATA key,
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void (*parser)(TDB_DATA key, TDB_DATA data,
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void *private_data),
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void *private_data);
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int dbwrap_wipe(struct db_context *db);
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int dbwrap_check(struct db_context *db);
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int dbwrap_get_seqnum(struct db_context *db);
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/* Returns 0 if unknown. */
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int dbwrap_hash_size(struct db_context *db);
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int dbwrap_transaction_start(struct db_context *db);
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NTSTATUS dbwrap_transaction_start_nonblock(struct db_context *db);
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int dbwrap_transaction_commit(struct db_context *db);
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int dbwrap_transaction_cancel(struct db_context *db);
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void dbwrap_db_id(struct db_context *db, const uint8_t **id, size_t *idlen);
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bool dbwrap_is_persistent(struct db_context *db);
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const char *dbwrap_name(struct db_context *db);
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/* The following definitions come from lib/dbwrap_util.c */
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NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
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NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
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TDB_DATA data, int flags);
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NTSTATUS dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
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const char *key, TDB_DATA *value);
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NTSTATUS dbwrap_fetch_int32(struct db_context *db, TDB_DATA key,
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int32_t *result);
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NTSTATUS dbwrap_fetch_int32_bystring(struct db_context *db, const char *keystr,
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int32_t *result);
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NTSTATUS dbwrap_store_int32_bystring(struct db_context *db, const char *keystr,
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int32_t v);
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NTSTATUS dbwrap_fetch_uint32_bystring(struct db_context *db,
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const char *keystr, uint32_t *val);
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NTSTATUS dbwrap_store_uint32_bystring(struct db_context *db,
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const char *keystr, uint32_t v);
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NTSTATUS dbwrap_change_uint32_atomic_bystring(struct db_context *db,
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const char *keystr,
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uint32_t *oldval,
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uint32_t change_val);
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NTSTATUS dbwrap_trans_change_uint32_atomic_bystring(struct db_context *db,
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const char *keystr,
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uint32_t *oldval,
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uint32_t change_val);
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NTSTATUS dbwrap_change_int32_atomic(struct db_context *db,
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TDB_DATA key,
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int32_t *oldval,
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int32_t change_val);
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NTSTATUS dbwrap_change_int32_atomic_bystring(struct db_context *db,
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const char *keystr,
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int32_t *oldval,
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int32_t change_val);
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NTSTATUS dbwrap_trans_change_int32_atomic_bystring(struct db_context *db,
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const char *keystr,
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int32_t *oldval,
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int32_t change_val);
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NTSTATUS dbwrap_trans_store(struct db_context *db, TDB_DATA key, TDB_DATA dbuf,
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int flag);
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NTSTATUS dbwrap_trans_delete(struct db_context *db, TDB_DATA key);
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NTSTATUS dbwrap_trans_store_int32_bystring(struct db_context *db,
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const char *keystr,
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int32_t v);
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NTSTATUS dbwrap_trans_store_uint32_bystring(struct db_context *db,
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const char *keystr,
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uint32_t v);
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NTSTATUS dbwrap_trans_store_bystring(struct db_context *db, const char *key,
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TDB_DATA data, int flags);
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NTSTATUS dbwrap_trans_delete_bystring(struct db_context *db, const char *key);
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NTSTATUS dbwrap_trans_do(struct db_context *db,
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NTSTATUS (*action)(struct db_context *, void *),
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void *private_data);
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NTSTATUS dbwrap_trans_traverse(struct db_context *db,
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int (*f)(struct db_record*, void*),
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void *private_data);
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NTSTATUS dbwrap_delete_bystring_upper(struct db_context *db, const char *key);
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NTSTATUS dbwrap_store_bystring_upper(struct db_context *db, const char *key,
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TDB_DATA data, int flags);
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NTSTATUS dbwrap_fetch_bystring_upper(struct db_context *db, TALLOC_CTX *mem_ctx,
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const char *key, TDB_DATA *value);
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/**
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* This opens an ntdb or tdb file: you can hand it a .ntdb or .tdb extension
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* and it will decide (based on parameter settings, or else what exists) which
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* to use.
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*
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* For backwards compatibility, it takes tdb-style open flags, not ntdb!
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*/
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struct db_context *dbwrap_local_open(TALLOC_CTX *mem_ctx,
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struct loadparm_context *lp_ctx,
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const char *name,
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int hash_size, int tdb_flags,
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int open_flags, mode_t mode,
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enum dbwrap_lock_order lock_order);
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#endif /* __DBWRAP_H__ */
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