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/*
* OSS-Fuzz target for libfvde volume type
*
* Copyright (C) 2011-2024, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <stdint.h>
/* Note that some of the OSS-Fuzz engines use C++
*/
extern "C" {
#include "ossfuzz_libbfio.h"
#include "ossfuzz_libfvde.h"
#if !defined( LIBFVDE_HAVE_BFIO )
/* Opens a volume using a Basic File IO (bfio) handle
* Returns 1 if successful or -1 on error
*/
LIBFVDE_EXTERN \
int libfvde_volume_open_file_io_handle(
libfvde_volume_t *volume,
libbfio_handle_t *file_io_handle,
int access_flags,
libfvde_error_t **error );
/* Opens the physical volume files
* This function assumes the physical volume files are in same order as defined by the metadata
* Returns 1 if successful or -1 on error
*/
LIBFVDE_EXTERN \
int libfvde_volume_open_physical_volume_files_file_io_pool(
libfvde_volume_t *volume,
libbfio_pool_t *file_io_pool,
libfvde_error_t **error );
#endif /* !defined( LIBFVDE_HAVE_BFIO ) */
int LLVMFuzzerTestOneInput(
const uint8_t *data,
size_t size )
{
libbfio_handle_t *file_io_handle = NULL;
libbfio_pool_t *file_io_pool = NULL;
libfvde_volume_t *volume = NULL;
int entry_index = 0;
if( libbfio_memory_range_initialize(
&file_io_handle,
NULL ) != 1 )
{
return( 0 );
}
if( libbfio_memory_range_set(
file_io_handle,
(uint8_t *) data,
size,
NULL ) != 1 )
{
goto on_error_libbfio;
}
if( libbfio_pool_initialize(
&file_io_pool,
0,
0,
NULL ) != 1 )
{
goto on_error_libbfio;
}
if( libfvde_volume_initialize(
&volume,
NULL ) != 1 )
{
goto on_error_libbfio;
}
if( libfvde_volume_open_file_io_handle(
volume,
file_io_handle,
LIBFVDE_OPEN_READ,
NULL ) != 1 )
{
goto on_error_libfvde;
}
if( libbfio_pool_append_handle(
file_io_pool,
&entry_index,
file_io_handle,
LIBBFIO_OPEN_READ,
NULL ) != 1 )
{
goto on_error_libfvde;
}
/* The file IO pool takes over management of the file IO handle
*/
file_io_handle = NULL;
if( libfvde_volume_open_physical_volume_files_file_io_pool(
volume,
file_io_pool,
NULL ) != 1 )
{
goto on_error_libfvde;
}
libfvde_volume_close(
volume,
NULL );
on_error_libfvde:
libfvde_volume_free(
&volume,
NULL );
on_error_libbfio:
/* Note that on error the volume still has a reference to file_io_pool
* that will be closed. Therefore the file IO pool and handle need to
* be freed after closing or freeing the volume.
*/
if( file_io_pool != NULL )
{
libbfio_pool_free(
&file_io_pool,
NULL );
}
if( file_io_handle != NULL )
{
libbfio_handle_free(
&file_io_handle,
NULL );
}
return( 0 );
}
} /* extern "C" */
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