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/*
* OSS-Fuzz target for libfshfs extended_attribute type
*
* Copyright (C) 2009-2024, 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_libfshfs.h"
#if !defined( LIBFSHFS_HAVE_BFIO )
/* Opens a volume using a Basic File IO (bfio) handle
* Returns 1 if successful or -1 on error
*/
LIBFSHFS_EXTERN \
int libfshfs_volume_open_file_io_handle(
libfshfs_volume_t *volume,
libbfio_handle_t *file_io_handle,
int access_flags,
libfshfs_error_t **error );
#endif /* !defined( LIBFSHFS_HAVE_BFIO ) */
int LLVMFuzzerTestOneInput(
const uint8_t *data,
size_t size )
{
libbfio_handle_t *file_io_handle = NULL;
libfshfs_extended_attribute_t *extended_attribute = NULL;
libfshfs_file_entry_t *file_entry = NULL;
libfshfs_volume_t *volume = NULL;
int number_of_extended_attributes = 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( libfshfs_volume_initialize(
&volume,
NULL ) != 1 )
{
goto on_error_libbfio;
}
if( libfshfs_volume_open_file_io_handle(
volume,
file_io_handle,
LIBFSHFS_OPEN_READ,
NULL ) != 1 )
{
goto on_error_libfshfs_volume;
}
result = libfshfs_volume_get_file_entry_by_utf8_path(
volume,
(uint8_t *) "/a_directory/a_file",
19,
&file_entry,
NULL );
if( result == 1 )
{
if( libfshfs_file_entry_get_number_of_extended_attributes(
file_entry,
&number_of_extended_attributes,
NULL ) != 1 )
{
goto on_error_libfshfs_file_entry;
}
if( number_of_extended_attributes > 0 )
{
if( libfshfs_file_entry_get_extended_attribute_by_index(
file_entry,
0,
&extended_attribute,
NULL ) != 1 )
{
goto on_error_libfshfs_file_entry;
}
libfshfs_extended_attribute_free(
&extended_attribute,
NULL );
}
on_error_libfshfs_file_entry:
libfshfs_file_entry_free(
&file_entry,
NULL );
}
libfshfs_volume_close(
volume,
NULL );
on_error_libfshfs_volume:
libfshfs_volume_free(
&volume,
NULL );
on_error_libbfio:
libbfio_handle_free(
&file_io_handle,
NULL );
return( 0 );
}
} /* extern "C" */
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