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/*
* OSS-Fuzz target for libcreg value type
*
* Copyright (C) 2013-2024, 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_libcreg.h"
#if !defined( LIBCREG_HAVE_BFIO )
/* Opens a file using a Basic File IO (bfio) handle
* Returns 1 if successful or -1 on error
*/
LIBCREG_EXTERN \
int libcreg_file_open_file_io_handle(
libcreg_file_t *file,
libbfio_handle_t *file_io_handle,
int access_flags,
libcreg_error_t **error );
#endif /* !defined( LIBCREG_HAVE_BFIO ) */
int LLVMFuzzerTestOneInput(
const uint8_t *data,
size_t size )
{
libbfio_handle_t *file_io_handle = NULL;
libcreg_file_t *file = NULL;
libcreg_key_t *root_key = NULL;
libcreg_key_t *sub_key = NULL;
libcreg_value_t *value = NULL;
uint32_t value_type = 0;
int number_of_sub_keys = 0;
int number_of_values = 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( libcreg_file_initialize(
&file,
NULL ) != 1 )
{
goto on_error_libbfio;
}
if( libcreg_file_open_file_io_handle(
file,
file_io_handle,
LIBCREG_OPEN_READ,
NULL ) != 1 )
{
goto on_error_libcreg_file;
}
if( libcreg_file_get_root_key(
file,
&root_key,
NULL ) == 1 )
{
if( libcreg_key_get_number_of_sub_keys(
root_key,
&number_of_sub_keys,
NULL ) != 1 )
{
goto on_error_libcreg_root_key;
}
if( number_of_sub_keys > 0 )
{
if( libcreg_key_get_sub_key_by_index(
root_key,
0,
&sub_key,
NULL ) != 1 )
{
goto on_error_libcreg_root_key;
}
if( libcreg_key_get_number_of_values(
sub_key,
&number_of_values,
NULL ) != 1 )
{
goto on_error_libcreg_sub_key;
}
if( number_of_sub_keys > 0 )
{
if( libcreg_key_get_value_by_index(
root_key,
0,
&value,
NULL ) != 1 )
{
goto on_error_libcreg_sub_key;
}
libcreg_value_get_value_type(
value,
&value_type,
NULL );
libcreg_value_free(
&value,
NULL );
}
on_error_libcreg_sub_key:
libcreg_key_free(
&sub_key,
NULL );
}
on_error_libcreg_root_key:
libcreg_key_free(
&root_key,
NULL );
}
libcreg_file_close(
file,
NULL );
on_error_libcreg_file:
libcreg_file_free(
&file,
NULL );
on_error_libbfio:
libbfio_handle_free(
&file_io_handle,
NULL );
return( 0 );
}
} /* extern "C" */
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