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/*
* OSS-Fuzz target for libfsext volume type
*
* Copyright (C) 2010-2026, 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_libfsext.h"
#if !defined( LIBFSEXT_HAVE_BFIO )
/* Opens a volume using a Basic File IO (bfio) handle
* Returns 1 if successful or -1 on error
*/
LIBFSEXT_EXTERN \
int libfsext_volume_open_file_io_handle(
libfsext_volume_t *volume,
libbfio_handle_t *file_io_handle,
int access_flags,
libfsext_error_t **error );
#endif /* !defined( LIBFSEXT_HAVE_BFIO ) */
int LLVMFuzzerTestOneInput(
const uint8_t *data,
size_t size )
{
uint8_t volume_identifier[ 16 ];
uint8_t string_value[ 64 ];
libbfio_handle_t *file_io_handle = NULL;
libfsext_volume_t *volume = NULL;
size_t string_size = 0;
uint32_t compatible_features_flags = 0;
uint32_t incompatible_features_flags = 0;
uint32_t number_of_file_entries = 0;
uint32_t read_only_compatible_features_flags = 0;
int32_t posix_time = 0;
uint8_t format_version = 0;
int result = 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( libfsext_volume_initialize(
&volume,
NULL ) != 1 )
{
goto on_error_libbfio;
}
result = libfsext_volume_open_file_io_handle(
volume,
file_io_handle,
LIBFSEXT_OPEN_READ,
NULL );
if( result != -1 )
{
libfsext_volume_get_format_version(
volume,
&format_version,
NULL );
libfsext_volume_get_features_flags(
volume,
&compatible_features_flags,
&incompatible_features_flags,
&read_only_compatible_features_flags,
NULL );
libfsext_volume_get_identifier(
volume,
volume_identifier,
16,
NULL );
libfsext_volume_get_utf8_label_size(
volume,
&string_size,
NULL );
libfsext_volume_get_utf8_label(
volume,
string_value,
64,
NULL );
libfsext_volume_get_utf8_last_mount_path_size(
volume,
&string_size,
NULL );
libfsext_volume_get_utf8_last_mount_path(
volume,
string_value,
64,
NULL );
libfsext_volume_get_last_mount_time(
volume,
&posix_time,
NULL );
libfsext_volume_get_last_written_time(
volume,
&posix_time,
NULL );
libfsext_volume_get_number_of_file_entries(
volume,
&number_of_file_entries,
NULL );
libfsext_volume_close(
volume,
NULL );
}
libfsext_volume_free(
&volume,
NULL );
on_error_libbfio:
libbfio_handle_free(
&file_io_handle,
NULL );
return( 0 );
}
} /* extern "C" */
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