/*

 * The container superblock functions

 *

 * 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 <common.h>

#include <byte_stream.h>

#include <memory.h>

#include <types.h>

#include "libfsapfs_checksum.h"

#include "libfsapfs_container_superblock.h"

#include "libfsapfs_debug.h"

#include "libfsapfs_io_handle.h"

#include "libfsapfs_libbfio.h"

#include "libfsapfs_libcerror.h"

#include "libfsapfs_libcnotify.h"

#include "libfsapfs_libfguid.h"

#include "fsapfs_container_superblock.h"

/* Creates a container superblock

 * Make sure the value container_superblock is referencing, is set to NULL

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_container_superblock_initialize(

     libfsapfs_container_superblock_t **container_superblock,

     libcerror_error_t **error )

{

  static char *function = "libfsapfs_container_superblock_initialize";

  if( container_superblock == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid container superblock.",

     function );

    return( -1 );

  }

  if( *container_superblock != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid container superblock value already set.",

     function );

    return( -1 );

  }

  *container_superblock = memory_allocate_structure(

                           libfsapfs_container_superblock_t );

  if( *container_superblock == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create container superblock.",

     function );

    goto on_error;

  }

  if( memory_set(

       *container_superblock,

       0,

       sizeof( libfsapfs_container_superblock_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear container superblock.",

     function );

    goto on_error;

  }

  return( 1 );

on_error:

  if( *container_superblock != NULL )

  {

    memory_free(

     *container_superblock );

    *container_superblock = NULL;

  }

  return( -1 );

}

/* Frees a container superblock

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_container_superblock_free(

     libfsapfs_container_superblock_t **container_superblock,

     libcerror_error_t **error )

{

  static char *function = "libfsapfs_container_superblock_free";

  if( container_superblock == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid container superblock.",

     function );

    return( -1 );

  }

  if( *container_superblock != NULL )

  {

    memory_free(

     *container_superblock );

    *container_superblock = NULL;

  }

  return( 1 );

}

/* Reads the container superblock

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_container_superblock_read_file_io_handle(

     libfsapfs_container_superblock_t *container_superblock,

     libbfio_handle_t *file_io_handle,

     off64_t file_offset,

     libcerror_error_t **error )

{

  uint8_t container_superblock_data[ 4096 ];

  static char *function = "libfsapfs_container_superblock_read_file_io_handle";

  ssize_t read_count    = 0;

  if( container_superblock == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid container superblock.",

     function );

    return( -1 );

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: reading container superblock at offset: %" PRIi64 " (0x%08" PRIx64 ")\n",

     function,

     file_offset,

     file_offset );

  }

#endif

  read_count = libbfio_handle_read_buffer_at_offset(

                file_io_handle,

                (uint8_t *) &container_superblock_data,

                4096,

                file_offset,

                error );

  if( read_count != (ssize_t) 4096 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

     "%s: unable to read container superblock data at offset: %" PRIi64 " (0x%08" PRIx64 ").",

     function,

     file_offset,

     file_offset );

    return( -1 );

  }

  if( libfsapfs_container_superblock_read_data(

       container_superblock,

       (uint8_t *) &container_superblock_data,

       4096,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

     "%s: unable to read container superblock data.",

     function );

    return( -1 );

  }

  return( 1 );

}

/* Reads the container superblock

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_container_superblock_read_data(

     libfsapfs_container_superblock_t *container_superblock,

     const uint8_t *data,

     size_t data_size,

     libcerror_error_t **error )

{

  static char *function              = "libfsapfs_container_superblock_read_data";

  size_t data_offset                 = 0;

  uint64_t calculated_checksum       = 0;

  uint64_t stored_checksum           = 0;

  uint64_t volume_object_identifier  = 0;

  uint32_t maximum_number_of_volumes = 0;

  uint32_t object_subtype            = 0;

  uint32_t object_type               = 0;

  int object_identifier_index        = 0;

#if defined( HAVE_DEBUG_OUTPUT )

  uint64_t value_64bit               = 0;

  uint32_t value_32bit               = 0;

  int counter_index                  = 0;

#endif

  if( container_superblock == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid container superblock.",

     function );

    return( -1 );

  }

  if( data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,

     "%s: invalid data.",

     function );

    return( -1 );

  }

  if( ( data_size < sizeof( fsapfs_container_superblock_t ) )

   || ( data_size > (size_t) SSIZE_MAX ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

     "%s: invalid data size value out of bounds.",

     function );

    return( -1 );

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: container superblock data:\n",

     function );

    libcnotify_print_data(

     data,

     sizeof( fsapfs_container_superblock_t ),

     LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );

  }

#endif

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->object_checksum,

   stored_checksum );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->object_transaction_identifier,

   container_superblock->object_transaction_identifier );

  byte_stream_copy_to_uint32_little_endian(

   ( (fsapfs_container_superblock_t *) data )->object_type,

   object_type );

  if( object_type != 0x80000001UL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: invalid object type: 0x%08" PRIx32 ".",

     function,

     object_type );

    return( -1 );

  }

  byte_stream_copy_to_uint32_little_endian(

   ( (fsapfs_container_superblock_t *) data )->object_subtype,

   object_subtype );

  if( object_subtype != 0x00000000UL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: invalid object subtype: 0x%08" PRIx32 ".",

     function,

     object_subtype );

    return( -1 );

  }

  if( memory_compare(

       ( (fsapfs_container_superblock_t *) data )->signature,

       fsapfs_container_signature,

       4 ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: invalid signature.",

     function );

    return( -1 );

  }

  byte_stream_copy_to_uint32_little_endian(

   ( (fsapfs_container_superblock_t *) data )->block_size,

   container_superblock->block_size );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->number_of_blocks,

   container_superblock->number_of_blocks );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->incompatible_features_flags,

   container_superblock->incompatible_features_flags );

  if( memory_copy(

       container_superblock->container_identifier,

       ( (fsapfs_container_superblock_t *) data )->container_identifier,

       16 ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_COPY_FAILED,

     "%s: unable to copy container identifier.",

     function );

    return( -1 );

  }

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->space_manager_object_identifier,

   container_superblock->space_manager_object_identifier );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->object_map_block_number,

   container_superblock->object_map_block_number );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->reaper_object_identifier,

   container_superblock->reaper_object_identifier );

  byte_stream_copy_to_uint32_little_endian(

   ( (fsapfs_container_superblock_t *) data )->maximum_number_of_volumes,

   maximum_number_of_volumes );

  data_offset = 184;

  for( object_identifier_index = 0;

       object_identifier_index < 100;

       object_identifier_index++ )

  {

    byte_stream_copy_to_uint64_little_endian(

     &( data[ data_offset ] ),

     volume_object_identifier );

    data_offset += 8;

    container_superblock->volume_object_identifiers[ object_identifier_index ] = volume_object_identifier;

/* TODO what about non-consecutive volume object identifiers ?*/

    if( volume_object_identifier != 0 )

    {

      container_superblock->number_of_volumes += 1;

    }

  }

  if( memory_copy(

       container_superblock->fusion_set_identifier,

       ( (fsapfs_container_superblock_t *) data )->fusion_set_identifier,

       16 ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_COPY_FAILED,

     "%s: unable to copy Fusion set identifier.",

     function );

    return( -1 );

  }

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->key_bag_block_number,

   container_superblock->key_bag_block_number );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->key_bag_number_of_blocks,

   container_superblock->key_bag_number_of_blocks );

  byte_stream_copy_to_uint32_little_endian(

   ( (fsapfs_container_superblock_t *) data )->checkpoint_descriptor_area_number_of_blocks,

   container_superblock->checkpoint_descriptor_area_number_of_blocks );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->checkpoint_descriptor_area_block_number,

   container_superblock->checkpoint_descriptor_area_block_number );

  byte_stream_copy_to_uint64_little_endian(

   ( (fsapfs_container_superblock_t *) data )->fusion_middle_tree_block_number,

   container_superblock->fusion_middle_tree_block_number );

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "%s: object checksum\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     stored_checksum );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->object_identifier,

     value_64bit );

    libcnotify_printf(

     "%s: object identifier\t\t\t\t: %" PRIu64 "\n",

     function,

     value_64bit );

    libcnotify_printf(

     "%s: object transaction identifier\t\t\t: %" PRIu64 "\n",

     function,

     container_superblock->object_transaction_identifier );

    libcnotify_printf(

     "%s: object type\t\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     object_type );

    libcnotify_printf(

     "%s: object subtype\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     object_subtype );

    libcnotify_printf(

     "%s: signature\t\t\t\t\t: %c%c%c%c\n",

     function,

     ( (fsapfs_container_superblock_t *) data )->signature[ 0 ],

     ( (fsapfs_container_superblock_t *) data )->signature[ 1 ],

     ( (fsapfs_container_superblock_t *) data )->signature[ 2 ],

     ( (fsapfs_container_superblock_t *) data )->signature[ 3 ] );

    libcnotify_printf(

     "%s: block size\t\t\t\t\t: %" PRIu32 "\n",

     function,

     container_superblock->block_size );

    libcnotify_printf(

     "%s: number of blocks\t\t\t\t: %" PRIu64 "\n",

     function,

     container_superblock->number_of_blocks );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->compatible_features_flags,

     value_64bit );

    libcnotify_printf(

     "%s: compatible features flags\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    libfsapfs_debug_print_container_compatible_features_flags(

     value_64bit );

    libcnotify_printf(

     "\n" );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->read_only_compatible_features_flags,

     value_64bit );

    libcnotify_printf(

     "%s: read-only compatible features flags\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    libfsapfs_debug_print_container_read_only_compatible_features_flags(

     value_64bit );

    libcnotify_printf(

     "\n" );

    libcnotify_printf(

     "%s: incompatible features flags\t\t\t: 0x%08" PRIx64 "\n",

     function,

     container_superblock->incompatible_features_flags );

    libfsapfs_debug_print_container_incompatible_features_flags(

     container_superblock->incompatible_features_flags );

    libcnotify_printf(

     "\n" );

    if( libfsapfs_debug_print_guid_value(

         function,

         "container identifier\t\t\t\t",

         ( (fsapfs_container_superblock_t *) data )->container_identifier,

         16,

         LIBFGUID_ENDIAN_BIG,

         LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,

       "%s: unable to print UUID value.",

       function );

      return( -1 );

    }

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->next_object_identifier,

     value_64bit );

    libcnotify_printf(

     "%s: next object identifier\t\t\t: %" PRIu64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->next_transaction_identifier,

     value_64bit );

    libcnotify_printf(

     "%s: next transaction identifier\t\t\t: %" PRIu64 "\n",

     function,

     value_64bit );

    libcnotify_printf(

     "%s: checkpoint descriptor area number of blocks\t: %" PRIu32 "\n",

     function,

     container_superblock->checkpoint_descriptor_area_number_of_blocks );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->checkpoint_data_area_number_of_blocks,

     value_32bit );

    libcnotify_printf(

     "%s: checkpoint data area number of blocks\t\t: %" PRIu32 "\n",

     function,

     value_32bit );

    libcnotify_printf(

     "%s: checkpoint descriptor area block number\t: %" PRIu64 "\n",

     function,

     container_superblock->checkpoint_descriptor_area_block_number );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->checkpoint_data_area_block_number,

     value_64bit );

    libcnotify_printf(

     "%s: checkpoint data area block number\t\t: %" PRIu64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown8,

     value_32bit );

    libcnotify_printf(

     "%s: unknown8\t\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     value_32bit );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown9,

     value_32bit );

    libcnotify_printf(

     "%s: unknown9\t\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     value_32bit );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown10,

     value_32bit );

    libcnotify_printf(

     "%s: unknown10\t\t\t\t\t: %" PRIu32 "\n",

     function,

     value_32bit );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown11,

     value_32bit );

    libcnotify_printf(

     "%s: unknown11\t\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     value_32bit );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown12,

     value_32bit );

    libcnotify_printf(

     "%s: unknown12\t\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     value_32bit );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown13,

     value_32bit );

    libcnotify_printf(

     "%s: unknown13\t\t\t\t\t: %" PRIu32 "\n",

     function,

     value_32bit );

    libcnotify_printf(

     "%s: space manager object identifier\t\t: %" PRIu64 "\n",

     function,

     container_superblock->space_manager_object_identifier );

    libcnotify_printf(

     "%s: object map block number\t\t\t: %" PRIu64 "\n",

     function,

     container_superblock->object_map_block_number );

    libcnotify_printf(

     "%s: reaper object identifier\t\t\t: %" PRIu64 "\n",

     function,

     container_superblock->reaper_object_identifier );

    byte_stream_copy_to_uint32_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown17,

     value_32bit );

    libcnotify_printf(

     "%s: unknown17\t\t\t\t\t: 0x%08" PRIx32 "\n",

     function,

     value_32bit );

    libcnotify_printf(

     "%s: maximum number of volumes\t\t\t: %" PRIu32 "\n",

     function,

     maximum_number_of_volumes );

    for( object_identifier_index = 0;

         object_identifier_index < 100;

         object_identifier_index++ )

    {

      if( container_superblock->volume_object_identifiers[ object_identifier_index ] != 0 )

      {

        libcnotify_printf(

         "%s: volume object identifier: %d\t\t\t: %" PRIu64 "\n",

         function,

         object_identifier_index,

         container_superblock->volume_object_identifiers[ object_identifier_index ] );

      }

    }

    for( counter_index = 0;

         counter_index < 32;

         counter_index++ )

    {

      byte_stream_copy_to_uint64_little_endian(

       &( ( (fsapfs_container_superblock_t *) data )->counters[ counter_index * 8 ] ),

       value_64bit );

      if( value_64bit != 0 )

      {

        libcnotify_printf(

         "%s: counter: %02d\t\t\t\t\t: 0x%08" PRIx64 "\n",

         function,

         counter_index,

         value_64bit );

      }

    }

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown20,

     value_64bit );

    libcnotify_printf(

     "%s: unknown20\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown21,

     value_64bit );

    libcnotify_printf(

     "%s: unknown21\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown22,

     value_64bit );

    libcnotify_printf(

     "%s: unknown22\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown23,

     value_64bit );

    libcnotify_printf(

     "%s: unknown23\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown24,

     value_64bit );

    libcnotify_printf(

     "%s: unknown24\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    if( libfsapfs_debug_print_guid_value(

         function,

         "Fusion set identifier\t\t\t\t",

         ( (fsapfs_container_superblock_t *) data )->fusion_set_identifier,

         16,

         LIBFGUID_ENDIAN_BIG,

         LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,

       "%s: unable to print UUID value.",

       function );

      return( -1 );

    }

    libcnotify_printf(

     "%s: key bag block number\t\t\t\t: %" PRIu64 "\n",

     function,

     container_superblock->key_bag_block_number );

    libcnotify_printf(

     "%s: key bag number of blocks\t\t\t: %" PRIu64 "\n",

     function,

     container_superblock->key_bag_number_of_blocks );

    libcnotify_printf(

     "%s: unknown29:\n",

     function );

    libcnotify_print_data(

     ( (fsapfs_container_superblock_t *) data )->unknown29,

     40,

     LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown30,

     value_64bit );

    libcnotify_printf(

     "%s: unknown30\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    libcnotify_printf(

     "%s: Fusion middle tree block number\t\t: %" PRIu64 "\n",

     function,

     container_superblock->fusion_middle_tree_block_number );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->fusion_write_back_cache_object_identifier,

     value_64bit );

    libcnotify_printf(

     "%s: Fusion write-back cache object identifier\t: %" PRIu64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown33,

     value_64bit );

    libcnotify_printf(

     "%s: unknown33\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    byte_stream_copy_to_uint64_little_endian(

     ( (fsapfs_container_superblock_t *) data )->unknown34,

     value_64bit );

    libcnotify_printf(

     "%s: unknown34\t\t\t\t\t: 0x%08" PRIx64 "\n",

     function,

     value_64bit );

    libcnotify_printf(

     "\n" );

  }

#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  if( libfsapfs_checksum_calculate_fletcher64(

       &calculated_checksum,

       &( data[ 8 ] ),

       data_size - 8,

       0,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to calculate Fletcher-64 checksum.",

     function );

    return( -1 );

  }

  if( stored_checksum != calculated_checksum )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_INPUT,

     LIBCERROR_INPUT_ERROR_CHECKSUM_MISMATCH,

     "%s: mismatch in checksum ( 0x%08" PRIx64 " != 0x%08" PRIx64 " ).\n",

     function,

     stored_checksum,

     calculated_checksum );

    return( -1 );

  }

  if( ( container_superblock->incompatible_features_flags & 0x0000000000000001 ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported format version 1.",

     function );

    return( -1 );

  }

  if( container_superblock->block_size != 4096 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported block size: %" PRIu32 ".",

     function,

     container_superblock->block_size );

    return( -1 );

  }

  if( ( container_superblock->checkpoint_descriptor_area_number_of_blocks & 0x80000000UL ) != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported checkpoint descriptor area number of blocks - MSB is set.",

     function );

    return( -1 );

  }

  if( container_superblock->checkpoint_descriptor_area_block_number == 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported checkpoint descriptor area block number: %" PRIu32 ".",

     function,

     container_superblock->checkpoint_descriptor_area_block_number );

    return( -1 );

  }

  if( maximum_number_of_volumes > 100 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

     "%s: invalid number of volumes value out of bounds.",

     function );

    return( -1 );

  }

  return( 1 );

}

/* Retrieves the container identifier

 * The identifier is an UUID stored in big-endian and is 16 bytes of size

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_container_superblock_get_container_identifier(

     libfsapfs_container_superblock_t *container_superblock,

     uint8_t *uuid_data,

     size_t uuid_data_size,

     libcerror_error_t **error )

{

  static char *function = "libfsapfs_container_superblock_get_container_identifier";

  if( container_superblock == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid container superblock.",

     function );

    return( -1 );

  }

  if( uuid_data == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UUID data.",

     function );

    return( -1 );

  }

  if( ( uuid_data_size < 16 )

   || ( uuid_data_size > (size_t) SSIZE_MAX ) )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

     "%s: invalid UUID data size value out of bounds.",

     function );

    return( -1 );

  }

  if( memory_copy(

       uuid_data,

       container_superblock->container_identifier,

       16 ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_COPY_FAILED,

     "%s: unable to copy container identifier.",

     function );

    return( -1 );

  }

  return( 1 );

}