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Diffstat (limited to 'source4/lib/dbwrap/dbwrap_tdb.c')
-rw-r--r--source4/lib/dbwrap/dbwrap_tdb.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/source4/lib/dbwrap/dbwrap_tdb.c b/source4/lib/dbwrap/dbwrap_tdb.c
deleted file mode 100644
index 3fd13dbd13..0000000000
--- a/source4/lib/dbwrap/dbwrap_tdb.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Database interface wrapper around tdb
-
- Copyright (C) Volker Lendecke 2005
- Copyright (C) Andrew Tridgell 2007
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "../tdb/include/tdb.h"
-#include "lib/dbwrap/dbwrap.h"
-#include "system/filesys.h"
-#include "tdb_wrap.h"
-#include "param/param.h"
-
-struct db_tdb_ctx {
- struct tdb_wrap *wtdb;
-};
-
-static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag);
-static NTSTATUS db_tdb_delete(struct db_record *rec);
-
-static int db_tdb_record_destr(struct db_record* data)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(data->private_data, struct db_tdb_ctx);
-
- if (tdb_chainunlock(ctx->wtdb->tdb, data->key) != 0) {
- DEBUG(0, ("tdb_chainunlock failed\n"));
- return -1;
- }
- return 0;
-}
-
-static int db_tdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx, TDB_DATA key, TDB_DATA *data)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(db->private_data, struct db_tdb_ctx);
- TDB_DATA value;
-
- value = tdb_fetch(ctx->wtdb->tdb, key);
- if (value.dptr == NULL) {
- return -1;
- }
-
- data->dsize = value.dsize;
- data->dptr = (uint8_t *)talloc_memdup(mem_ctx, value.dptr, value.dsize);
- free(value.dptr);
- if (data->dptr == NULL) {
- errno = ENOMEM;
- return -1;
- }
-
- return 0;
-}
-
-static struct db_record *db_tdb_fetch_locked(struct db_context *db,
- TALLOC_CTX *mem_ctx, TDB_DATA key)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(db->private_data, struct db_tdb_ctx);
- struct db_record *result;
- TDB_DATA value;
-
- result = talloc(mem_ctx, struct db_record);
- if (result == NULL) {
- return NULL;
- }
-
- result->key.dsize = key.dsize;
- result->key.dptr = (uint8_t *)talloc_memdup(result, key.dptr, key.dsize);
- if (result->key.dptr == NULL) {
- talloc_free(result);
- return NULL;
- }
-
- result->value.dptr = NULL;
- result->value.dsize = 0;
- result->private_data = talloc_reference(result, ctx);
- result->store = db_tdb_store;
- result->delete_rec = db_tdb_delete;
-
- if (tdb_chainlock(ctx->wtdb->tdb, key) != 0) {
- talloc_free(result);
- return NULL;
- }
-
- talloc_set_destructor(result, db_tdb_record_destr);
-
- value = tdb_fetch(ctx->wtdb->tdb, key);
-
- if (value.dptr == NULL) {
- return result;
- }
-
- result->value.dsize = value.dsize;
- result->value.dptr = (uint8_t *)talloc_memdup(result, value.dptr,
- value.dsize);
- free(value.dptr);
- if (result->value.dptr == NULL) {
- talloc_free(result);
- return NULL;
- }
-
- return result;
-}
-
-static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(rec->private_data, struct db_tdb_ctx);
-
- /*
- * This has a bug: We need to replace rec->value for correct
- * operation, but right now brlock and locking don't use the value
- * anymore after it was stored.
- */
-
- return (tdb_store(ctx->wtdb->tdb, rec->key, data, flag) == 0) ?
- NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-}
-
-static NTSTATUS db_tdb_delete(struct db_record *rec)
-{
- struct db_tdb_ctx *ctx = talloc_get_type(rec->private_data, struct db_tdb_ctx);
-
- return (tdb_delete(ctx->wtdb->tdb, rec->key) == 0) ?
- NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-}
-
-struct db_tdb_traverse_ctx {
- struct db_context *db;
- int (*f)(struct db_record *rec, void *private_data);
- void *private_data;
-};
-
-static int db_tdb_traverse_func(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
- void *private_data)
-{
- struct db_tdb_traverse_ctx *ctx =
- (struct db_tdb_traverse_ctx *)private_data;
- struct db_record rec;
-
- rec.key = kbuf;
- rec.value = dbuf;
- rec.store = db_tdb_store;
- rec.delete_rec = db_tdb_delete;
- rec.private_data = ctx->db->private_data;
-
- return ctx->f(&rec, ctx->private_data);
-}
-
-static int db_tdb_traverse(struct db_context *db,
- int (*f)(struct db_record *rec, void *private_data),
- void *private_data)
-{
- struct db_tdb_ctx *db_ctx =
- talloc_get_type(db->private_data, struct db_tdb_ctx);
- struct db_tdb_traverse_ctx ctx;
-
- ctx.db = db;
- ctx.f = f;
- ctx.private_data = private_data;
- return tdb_traverse(db_ctx->wtdb->tdb, db_tdb_traverse_func, &ctx);
-}
-
-static NTSTATUS db_tdb_store_deny(struct db_record *rec, TDB_DATA data, int flag)
-{
- return NT_STATUS_MEDIA_WRITE_PROTECTED;
-}
-
-static NTSTATUS db_tdb_delete_deny(struct db_record *rec)
-{
- return NT_STATUS_MEDIA_WRITE_PROTECTED;
-}
-
-static int db_tdb_traverse_read_func(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
- void *private_data)
-{
- struct db_tdb_traverse_ctx *ctx =
- (struct db_tdb_traverse_ctx *)private_data;
- struct db_record rec;
-
- rec.key = kbuf;
- rec.value = dbuf;
- rec.store = db_tdb_store_deny;
- rec.delete_rec = db_tdb_delete_deny;
- rec.private_data = ctx->db->private_data;
-
- return ctx->f(&rec, ctx->private_data);
-}
-
-static int db_tdb_traverse_read(struct db_context *db,
- int (*f)(struct db_record *rec, void *private_data),
- void *private_data)
-{
- struct db_tdb_ctx *db_ctx =
- talloc_get_type(db->private_data, struct db_tdb_ctx);
- struct db_tdb_traverse_ctx ctx;
-
- ctx.db = db;
- ctx.f = f;
- ctx.private_data = private_data;
- return tdb_traverse_read(db_ctx->wtdb->tdb, db_tdb_traverse_read_func, &ctx);
-}
-
-static int db_tdb_get_seqnum(struct db_context *db)
-
-{
- struct db_tdb_ctx *db_ctx =
- talloc_get_type(db->private_data, struct db_tdb_ctx);
- return tdb_get_seqnum(db_ctx->wtdb->tdb);
-}
-
-/*
- open a temporary database
- */
-struct db_context *db_tmp_open_tdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx,
- const char *name, int tdb_flags)
-{
- struct db_context *result;
- struct db_tdb_ctx *db_tdb;
- char *path;
-
- result = talloc_zero(mem_ctx, struct db_context);
- if (result == NULL) goto failed;
-
- db_tdb = talloc(result, struct db_tdb_ctx);
- if (db_tdb == NULL) goto failed;
-
- result->private_data = db_tdb;
-
- /* the name passed in should not be a full path, it should be
- just be the db name */
- path = smbd_tmp_path(result, lp_ctx, name);
-
- db_tdb->wtdb = tdb_wrap_open(db_tdb, path, 0, tdb_flags,
- O_CREAT|O_RDWR, 0666);
- if (db_tdb->wtdb == NULL) {
- DEBUG(3, ("Could not open tdb '%s': %s\n", path, strerror(errno)));
- goto failed;
- }
-
- talloc_free(path);
-
- result->fetch_locked = db_tdb_fetch_locked;
- result->fetch = db_tdb_fetch;
- result->traverse = db_tdb_traverse;
- result->traverse_read = db_tdb_traverse_read;
- result->get_seqnum = db_tdb_get_seqnum;
-
- return result;
-
- failed:
- talloc_free(result);
- return NULL;
-}
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