/*

 * 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" */