s3:dbwrap: move all .c and .h files of dbwrap to lib/dbwrap/

Autobuild-User: Michael Adam <obnox@samba.org>
Autobuild-Date: Fri Jul 29 13:34:22 CEST 2011 on sn-devel-104

1 files changed, 0 insertions, 379 deletions

diff --git a/source3/lib/dbwrap_tdb.c b/source3/lib/dbwrap_tdb.c
deleted file mode 100644
index 2efb3dfe39..0000000000
--- a/source3/lib/dbwrap_tdb.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-   Database interface wrapper around tdb
-   Copyright (C) Volker Lendecke 2005-2007
-   
-   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 "dbwrap.h"
-#include "lib/util/tdb_wrap.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_abort(data->private_data, struct db_tdb_ctx);
-
-	/* This hex_encode_talloc() call allocates memory on data context. By way how current 
-	   __talloc_free() code works, it is OK to allocate in the destructor as 
-	   the children of data will be freed after call to the destructor and this 
-	   new 'child' will be caught and freed correctly.
-	 */
-	DEBUG(10, (DEBUGLEVEL > 10
-		   ? "Unlocking key %s\n" : "Unlocking key %.20s\n",
-		   hex_encode_talloc(data, (unsigned char *)data->key.dptr,
-			      data->key.dsize)));
-
-	tdb_chainunlock(ctx->wtdb->tdb, data->key);
-	return 0;
-}
-
-struct tdb_fetch_locked_state {
-	TALLOC_CTX *mem_ctx;
-	struct db_record *result;
-};
-
-static int db_tdb_fetchlock_parse(TDB_DATA key, TDB_DATA data,
-				  void *private_data)
-{
-	struct tdb_fetch_locked_state *state =
-		(struct tdb_fetch_locked_state *)private_data;
-
-	state->result = (struct db_record *)talloc_size(
-		state->mem_ctx,
-		sizeof(struct db_record) + key.dsize + data.dsize);
-
-	if (state->result == NULL) {
-		return 0;
-	}
-
-	state->result->key.dsize = key.dsize;
-	state->result->key.dptr = ((uint8 *)state->result)
-		+ sizeof(struct db_record);
-	memcpy(state->result->key.dptr, key.dptr, key.dsize);
-
-	state->result->value.dsize = data.dsize;
-
-	if (data.dsize > 0) {
-		state->result->value.dptr = state->result->key.dptr+key.dsize;
-		memcpy(state->result->value.dptr, data.dptr, data.dsize);
-	}
-	else {
-		state->result->value.dptr = NULL;
-	}
-
-	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_abort(db->private_data,
-						       struct db_tdb_ctx);
-	struct tdb_fetch_locked_state state;
-
-	/* Do not accidently allocate/deallocate w/o need when debug level is lower than needed */
-	if(DEBUGLEVEL >= 10) {
-		char *keystr = hex_encode_talloc(talloc_tos(), (unsigned char*)key.dptr, key.dsize);
-		DEBUG(10, (DEBUGLEVEL > 10
-			   ? "Locking key %s\n" : "Locking key %.20s\n",
-			   keystr));
-		TALLOC_FREE(keystr);
-	}
-
-	if (tdb_chainlock(ctx->wtdb->tdb, key) != 0) {
-		DEBUG(3, ("tdb_chainlock failed\n"));
-		return NULL;
-	}
-
-	state.mem_ctx = mem_ctx;
-	state.result = NULL;
-
-	tdb_parse_record(ctx->wtdb->tdb, key, db_tdb_fetchlock_parse, &state);
-
-	if (state.result == NULL) {
-		db_tdb_fetchlock_parse(key, tdb_null, &state);
-	}
-
-	if (state.result == NULL) {
-		tdb_chainunlock(ctx->wtdb->tdb, key);
-		return NULL;
-	}
-
-	talloc_set_destructor(state.result, db_tdb_record_destr);
-
-	state.result->private_data = talloc_reference(state.result, ctx);
-	state.result->store = db_tdb_store;
-	state.result->delete_rec = db_tdb_delete;
-
-	DEBUG(10, ("Allocated locked data 0x%p\n", state.result));
-
-	return state.result;
-}
-
-struct tdb_fetch_state {
-	TALLOC_CTX *mem_ctx;
-	int result;
-	TDB_DATA data;
-};
-
-static int db_tdb_fetch_parse(TDB_DATA key, TDB_DATA data,
-			      void *private_data)
-{
-	struct tdb_fetch_state *state =
-		(struct tdb_fetch_state *)private_data;
-
-	state->data.dptr = (uint8 *)talloc_memdup(state->mem_ctx, data.dptr,
-						  data.dsize);
-	if (state->data.dptr == NULL) {
-		state->result = -1;
-		return 0;
-	}
-
-	state->data.dsize = data.dsize;
-	return 0;
-}
-
-static int db_tdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
-			TDB_DATA key, TDB_DATA *pdata)
-{
-	struct db_tdb_ctx *ctx = talloc_get_type_abort(
-		db->private_data, struct db_tdb_ctx);
-
-	struct tdb_fetch_state state;
-
-	state.mem_ctx = mem_ctx;
-	state.result = 0;
-	state.data = tdb_null;
-
-	tdb_parse_record(ctx->wtdb->tdb, key, db_tdb_fetch_parse, &state);
-
-	if (state.result == -1) {
-		return -1;
-	}
-
-	*pdata = state.data;
-	return 0;
-}
-
-static int db_tdb_parse(struct db_context *db, TDB_DATA key,
-			int (*parser)(TDB_DATA key, TDB_DATA data,
-				      void *private_data),
-			void *private_data)
-{
-	struct db_tdb_ctx *ctx = talloc_get_type_abort(
-		db->private_data, struct db_tdb_ctx);
-
-	return tdb_parse_record(ctx->wtdb->tdb, key, parser, private_data);
-}
-
-static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag)
-{
-	struct db_tdb_ctx *ctx = talloc_get_type_abort(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_abort(rec->private_data,
-						       struct db_tdb_ctx);
-
-	if (tdb_delete(ctx->wtdb->tdb, rec->key) == 0) {
-		return NT_STATUS_OK;
-	}
-
-	if (tdb_error(ctx->wtdb->tdb) == TDB_ERR_NOEXIST) {
-		return NT_STATUS_NOT_FOUND;
-	}
-
-	return 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_abort(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_abort(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_abort(db->private_data, struct db_tdb_ctx);
-	return tdb_get_seqnum(db_ctx->wtdb->tdb);
-}
-
-static int db_tdb_get_flags(struct db_context *db)
-
-{
-	struct db_tdb_ctx *db_ctx =
-		talloc_get_type_abort(db->private_data, struct db_tdb_ctx);
-	return tdb_get_flags(db_ctx->wtdb->tdb);
-}
-
-static int db_tdb_transaction_start(struct db_context *db)
-{
-	struct db_tdb_ctx *db_ctx =
-		talloc_get_type_abort(db->private_data, struct db_tdb_ctx);
-	return tdb_transaction_start(db_ctx->wtdb->tdb);
-}
-
-static int db_tdb_transaction_commit(struct db_context *db)
-{
-	struct db_tdb_ctx *db_ctx =
-		talloc_get_type_abort(db->private_data, struct db_tdb_ctx);
-	return tdb_transaction_commit(db_ctx->wtdb->tdb);
-}
-
-static int db_tdb_transaction_cancel(struct db_context *db)
-{
-	struct db_tdb_ctx *db_ctx =
-		talloc_get_type_abort(db->private_data, struct db_tdb_ctx);
-	tdb_transaction_cancel(db_ctx->wtdb->tdb);
-	return 0;
-}
-
-struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
-			       const char *name,
-			       int hash_size, int tdb_flags,
-			       int open_flags, mode_t mode)
-{
-	struct db_context *result = NULL;
-	struct db_tdb_ctx *db_tdb;
-
-	result = talloc_zero(mem_ctx, struct db_context);
-	if (result == NULL) {
-		DEBUG(0, ("talloc failed\n"));
-		goto fail;
-	}
-
-	result->private_data = db_tdb = talloc(result, struct db_tdb_ctx);
-	if (db_tdb == NULL) {
-		DEBUG(0, ("talloc failed\n"));
-		goto fail;
-	}
-
-	db_tdb->wtdb = tdb_wrap_open(db_tdb, name, hash_size, tdb_flags,
-				     open_flags, mode);
-	if (db_tdb->wtdb == NULL) {
-		DEBUG(3, ("Could not open tdb: %s\n", strerror(errno)));
-		goto fail;
-	}
-
-	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->parse_record = db_tdb_parse;
-	result->get_seqnum = db_tdb_get_seqnum;
-	result->get_flags = db_tdb_get_flags;
-	result->persistent = ((tdb_flags & TDB_CLEAR_IF_FIRST) == 0);
-	result->transaction_start = db_tdb_transaction_start;
-	result->transaction_commit = db_tdb_transaction_commit;
-	result->transaction_cancel = db_tdb_transaction_cancel;
-	return result;
-
- fail:
-	if (result != NULL) {
-		TALLOC_FREE(result);
-	}
-	return NULL;
-}