/*

 * OSS-Fuzz target for libfsext volume type

 *

 * Copyright (C) 2010-2024, 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_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" */