/*
 * OSS-Fuzz target for libfsapfs extended_attribute type
 *
 * Copyright (C) 2018-2024, 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_libfsapfs.h"

#if !defined( LIBFSAPFS_HAVE_BFIO )

/* Opens a container using a Basic File IO (bfio) handle
 * Returns 1 if successful or -1 on error
 */
LIBFSAPFS_EXTERN \
int libfsapfs_container_open_file_io_handle(
     libfsapfs_container_t *container,
     libbfio_handle_t *file_io_handle,
     int access_flags,
     libfsapfs_error_t **error );

#endif /* !defined( LIBFSAPFS_HAVE_BFIO ) */

int LLVMFuzzerTestOneInput(
     const uint8_t *data,
     size_t size )
{
	libbfio_handle_t *file_io_handle                   = NULL;
	libfsapfs_container_t *container                   = NULL;
	libfsapfs_extended_attribute_t *extended_attribute = NULL;
	libfsapfs_file_entry_t *file_entry                 = NULL;
	libfsapfs_volume_t *volume                         = NULL;
	int number_of_extended_attributes                  = 0;
	int number_of_volumes                              = 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( libfsapfs_container_initialize(
	     &container,
	     NULL ) != 1 )
	{
		goto on_error_libbfio;
	}
	if( libfsapfs_container_open_file_io_handle(
	     container,
	     file_io_handle,
	     LIBFSAPFS_OPEN_READ,
	     NULL ) != 1 )
	{
		goto on_error_libfsapfs_container;
	}
	if( libfsapfs_container_get_number_of_volumes(
	     container,
	     &number_of_volumes,
	     NULL ) != 1 )
	{
		goto on_error_libfsapfs_container;
	}
	if( number_of_volumes > 0 )
	{
		if( libfsapfs_container_get_volume_by_index(
		     container,
		     0,
		     &volume,
		     NULL ) != 1 )
		{
			goto on_error_libfsapfs_container;
		}
		result = libfsapfs_volume_get_file_entry_by_utf8_path(
		          volume,
		          (uint8_t *) "/a_directory/a_file",
		          19,
		          &file_entry,
		          NULL );

		if( result == 1 )
		{
			if( libfsapfs_file_entry_get_number_of_extended_attributes(
			     file_entry,
			     &number_of_extended_attributes,
			     NULL ) != 1 )
			{
				goto on_error_libfsapfs_file_entry;
			}
			if( number_of_extended_attributes > 0 )
			{
				if( libfsapfs_file_entry_get_extended_attribute_by_index(
				     file_entry,
				     0,
				     &extended_attribute,
				     NULL ) != 1 )
				{
					goto on_error_libfsapfs_file_entry;
				}
				libfsapfs_extended_attribute_free(
				 &extended_attribute,
				 NULL );
			}
on_error_libfsapfs_file_entry:
			libfsapfs_file_entry_free(
			 &file_entry,
			 NULL );
		}
		libfsapfs_volume_free(
		 &volume,
		 NULL );
	}
on_error_libfsapfs_container:
	libfsapfs_container_free(
	 &container,
	 NULL );

on_error_libbfio:
	libbfio_handle_free(
	 &file_io_handle,
	 NULL );

	return( 0 );
}

} /* extern "C" */

