/*

 * Volume functions

 *

 * Copyright (C) 2018-2023, 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 <memory.h>

#include <narrow_string.h>

#include <types.h>

#include <wide_string.h>

#include "libfsapfs_container_data_handle.h"

#include "libfsapfs_container_key_bag.h"

#include "libfsapfs_debug.h"

#include "libfsapfs_definitions.h"

#include "libfsapfs_encryption_context.h"

#include "libfsapfs_extent_reference_tree.h"

#include "libfsapfs_file_entry.h"

#include "libfsapfs_file_system.h"

#include "libfsapfs_file_system_btree.h"

#include "libfsapfs_file_system_data_handle.h"

#include "libfsapfs_inode.h"

#include "libfsapfs_io_handle.h"

#include "libfsapfs_libbfio.h"

#include "libfsapfs_libcerror.h"

#include "libfsapfs_libcnotify.h"

#include "libfsapfs_libcthreads.h"

#include "libfsapfs_libfdata.h"

#include "libfsapfs_libuna.h"

#include "libfsapfs_object_map.h"

#include "libfsapfs_object_map_btree.h"

#include "libfsapfs_object_map_descriptor.h"

#include "libfsapfs_snapshot.h"

#include "libfsapfs_snapshot_metadata.h"

#include "libfsapfs_snapshot_metadata_tree.h"

#include "libfsapfs_volume.h"

#include "libfsapfs_volume_key_bag.h"

#include "libfsapfs_volume_superblock.h"

/* Creates a volume

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

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_volume_initialize(

     libfsapfs_volume_t **volume,

     libfsapfs_io_handle_t *io_handle,

     libbfio_handle_t *file_io_handle,

     libfsapfs_container_key_bag_t *container_key_bag,

     libcerror_error_t **error )

{

  libfsapfs_internal_volume_t *internal_volume = NULL;

  static char *function                        = "libfsapfs_volume_initialize";

  if( volume == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid volume.",

     function );

    return( -1 );

  }

  if( *volume != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume value already set.",

     function );

    return( -1 );

  }

  if( io_handle == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid IO handle.",

     function );

    return( -1 );

  }

  if( file_io_handle == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid file IO handle.",

     function );

    return( -1 );

  }

  internal_volume = memory_allocate_structure(

                     libfsapfs_internal_volume_t );

  if( internal_volume == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create volume.",

     function );

    goto on_error;

  }

  if( memory_set(

       internal_volume,

       0,

       sizeof( libfsapfs_internal_volume_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear volume.",

     function );

    goto on_error;

  }

/* TODO clone file_io_handle? */

  internal_volume->io_handle         = io_handle;

  internal_volume->file_io_handle    = file_io_handle;

  internal_volume->container_key_bag = container_key_bag;

  internal_volume->is_locked         = 1;

#if defined( HAVE_LIBFSAPFS_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_initialize(

       &( internal_volume->read_write_lock ),

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to initialize read/write lock.",

     function );

    goto on_error;

  }

#endif

  *volume = (libfsapfs_volume_t *) internal_volume;

  return( 1 );

on_error:

  if( internal_volume != NULL )

  {

    memory_free(

     internal_volume );

  }

  return( -1 );

}

/* Frees a volume

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_volume_free(

     libfsapfs_volume_t **volume,

     libcerror_error_t **error )

{

  libfsapfs_internal_volume_t *internal_volume = NULL;

  static char *function                        = "libfsapfs_volume_free";

  int result                                   = 1;

  if( volume == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid volume.",

     function );

    return( -1 );

  }

  if( *volume != NULL )

  {

    internal_volume = (libfsapfs_internal_volume_t *) *volume;

    *volume         = NULL;

    if( internal_volume->file_io_handle != NULL )

    {

      if( libfsapfs_internal_volume_close(

           internal_volume,

           error ) != 0 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_CLOSE_FAILED,

         "%s: unable to close volume.",

         function );

        result = -1;

      }

    }

#if defined( HAVE_LIBFSAPFS_MULTI_THREAD_SUPPORT )

    if( libcthreads_read_write_lock_free(

         &( internal_volume->read_write_lock ),

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

       "%s: unable to free read/write lock.",

       function );

      result = -1;

    }

#endif

    memory_free(

     internal_volume );

  }

  return( result );

}

/* Opens a volume for reading

 * Returns 1 if successful or -1 on error

 */

int libfsapfs_internal_volume_open_read(

     libfsapfs_internal_volume_t *internal_volume,

     libbfio_handle_t *file_io_handle,

     off64_t file_offset,

     libcerror_error_t **error )

{

  libfsapfs_container_data_handle_t *container_data_handle     = NULL;

  libfsapfs_file_system_data_handle_t *file_system_data_handle = NULL;

  libfsapfs_object_map_t *object_map                           = NULL;

  static char *function                                        = "libfsapfs_internal_volume_open_read";

  uint64_t key_bag_block_number                                = 0;

  uint64_t key_bag_number_of_blocks                            = 0;

  int element_index                                            = 0;

  int result                                                   = 0;

#if defined( HAVE_DEBUG_OUTPUT )

  libfsapfs_extent_reference_tree_t *extent_reference_tree     = NULL;

#endif

  if( internal_volume == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid volume.",

     function );

    return( -1 );

  }

  if( internal_volume->io_handle == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,

     "%s: invalid volume - missing IO handle.",

     function );

    return( -1 );

  }

  if( internal_volume->superblock != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - superblock map value already set.",

     function );

    return( -1 );

  }

  if( internal_volume->container_data_block_vector != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - container data block vector value already set.",

     function );

    return( -1 );

  }

  if( internal_volume->object_map_btree != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - object map B-tree value already set.",

     function );

    return( -1 );

  }

  if( internal_volume->snapshot_metadata_tree != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - snapshot metadata tree value already set.",

     function );

    return( -1 );

  }

  if( internal_volume->key_bag != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - key bag value already set.",

     function );

    return( -1 );

  }

  if( internal_volume->encryption_context != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - encryption context value already set.",

     function );

    return( -1 );

  }

  if( internal_volume->file_system_data_block_vector != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid volume - file system data block vector value already set.",

     function );

    return( -1 );

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "Reading volume superblock:\n" );

  }

#endif

  if( libfsapfs_volume_superblock_initialize(

       &( internal_volume->superblock ),

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

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

     function );

    goto on_error;

  }

  if( libfsapfs_volume_superblock_read_file_io_handle(

       internal_volume->superblock,

       file_io_handle,

       file_offset,

       0,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

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

     function,

     file_offset,

     file_offset );

    goto on_error;

  }

  if( libfsapfs_container_data_handle_initialize(

       &container_data_handle,

       internal_volume->io_handle,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create container data handle.",

     function );

    goto on_error;

  }

  if( libfdata_vector_initialize(

       &( internal_volume->container_data_block_vector ),

       (size64_t) internal_volume->io_handle->block_size,

       (intptr_t *) container_data_handle,

       (int (*)(intptr_t **, libcerror_error_t **)) &libfsapfs_container_data_handle_free,

       NULL,

       (int (*)(intptr_t *, intptr_t *, libfdata_vector_t *, libfdata_cache_t *, int, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libfsapfs_container_data_handle_read_data_block,

       NULL,

       LIBFDATA_DATA_HANDLE_FLAG_MANAGED,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create container data block vector.",

     function );

    goto on_error;

  }

  internal_volume->container_data_handle = container_data_handle;

  container_data_handle                  = NULL;

  if( libfdata_vector_append_segment(

       internal_volume->container_data_block_vector,

       &element_index,

       0,

       0,

       internal_volume->io_handle->container_size,

       0,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,

     "%s: unable to append segment to container data block vector.",

     function );

    goto on_error;

  }

/* TODO refactor into function to read object map */

  if( internal_volume->superblock->object_map_block_number == 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,

     "%s: missing object map block number.",

     function );

    goto on_error;

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "Reading object map:\n" );

  }

#endif

  file_offset = internal_volume->superblock->object_map_block_number * internal_volume->io_handle->block_size;

  if( libfsapfs_object_map_initialize(

       &object_map,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create object map.",

     function );

    goto on_error;

  }

  if( libfsapfs_object_map_read_file_io_handle(

       object_map,

       file_io_handle,

       file_offset,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_READ_FAILED,

     "%s: unable to read object map at offset: %" PRIi64 " (0x%08" PRIx64 ").",

     function,

     file_offset,

     file_offset );

    goto on_error;

  }

  if( object_map->btree_block_number == 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,

     "%s: missing object map B-tree block number.",

     function );

    goto on_error;

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( libcnotify_verbose != 0 )

  {

    libcnotify_printf(

     "Reading object map B-tree:\n" );

  }

#endif

  if( libfsapfs_object_map_btree_initialize(

       &( internal_volume->object_map_btree ),

       internal_volume->io_handle,

       internal_volume->container_data_block_vector,

       object_map->btree_block_number,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create object map B-tree.",

     function );

    goto on_error;

  }

  if( libfsapfs_object_map_free(

       &object_map,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

     "%s: unable to free object map.",

     function );

    goto on_error;

  }

  internal_volume->is_locked = 0;

  if( ( internal_volume->container_key_bag != NULL )

   && ( ( internal_volume->superblock->volume_flags & 0x00000001UL ) == 0 ) )

  {

    internal_volume->is_locked = internal_volume->container_key_bag->is_locked;

    result = libfsapfs_container_key_bag_get_volume_key_bag_extent_by_identifier(

              internal_volume->container_key_bag,

              internal_volume->superblock->volume_identifier,

              &key_bag_block_number,

              &key_bag_number_of_blocks,

              error );

    if( result == -1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_GET_FAILED,

       "%s: unable to retrieve volume key bag extent.",

       function );

      goto on_error;

    }

    else if( result != 0 )

    {

      if( ( key_bag_block_number == 0 )

       || ( key_bag_number_of_blocks == 0 ) )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

         "%s: invalid volume key bag extent.",

         function );

        goto on_error;

      }

      if( libfsapfs_volume_key_bag_initialize(

           &( internal_volume->key_bag ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create volume key bag.",

         function );

        goto on_error;

      }

      file_offset = key_bag_block_number * internal_volume->io_handle->block_size;

      if( libfsapfs_volume_key_bag_read_file_io_handle(

           internal_volume->key_bag,

           internal_volume->io_handle,

           file_io_handle,

           file_offset,

           (size64_t) key_bag_number_of_blocks * internal_volume->io_handle->block_size,

           internal_volume->superblock->volume_identifier,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read volume key bag at offset: %" PRIi64 " (0x%08" PRIx64 ").",

         function,

         file_offset,

         file_offset );

        goto on_error;

      }

      if( libfsapfs_encryption_context_initialize(

           &( internal_volume->encryption_context ),

           LIBFSAPFS_ENCRYPTION_METHOD_AES_128_XTS,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to initialize encryption context.",

         function );

        goto on_error;

      }

      internal_volume->is_locked = 1;

    }

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( internal_volume->superblock->extent_reference_tree_block_number != 0 )

  {

    if( libfsapfs_extent_reference_tree_initialize(

         &extent_reference_tree,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

       "%s: unable to create extent reference tree.",

       function );

      goto on_error;

    }

    file_offset = internal_volume->superblock->extent_reference_tree_block_number * internal_volume->io_handle->block_size;

    if( libfsapfs_extent_reference_tree_read_file_io_handle(

         extent_reference_tree,

         file_io_handle,

         file_offset,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_IO,

       LIBCERROR_IO_ERROR_READ_FAILED,

       "%s: unable to read extent reference tree at offset: %" PRIi64 " (0x%08" PRIx64 ").",

       function,

       file_offset,

       file_offset );

      goto on_error;

    }

    if( libfsapfs_extent_reference_tree_free(

         &extent_reference_tree,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

       "%s: unable to free extent reference tree.",

       function );

      goto on_error;

    }

  }

#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  if( libcdata_array_initialize(

       &( internal_volume->snapshots ),

       0,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create snapshots array.",

     function );

    goto on_error;

  }

  if( internal_volume->superblock->snapshot_metadata_tree_block_number != 0 )

  {

    if( libfsapfs_snapshot_metadata_tree_initialize(

         &( internal_volume->snapshot_metadata_tree ),

         internal_volume->io_handle,

         internal_volume->container_data_block_vector,

         internal_volume->object_map_btree,

         internal_volume->superblock->snapshot_metadata_tree_block_number,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

       "%s: unable to create snapshot metadata tree.",

       function );

      goto on_error;

    }

    if( libfsapfs_snapshot_metadata_tree_get_snapshots(

         internal_volume->snapshot_metadata_tree,

         internal_volume->file_io_handle,

         internal_volume->snapshots,

         error ) == -1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_GET_FAILED,

       "%s: unable to retrieve snapshots.",

       function );

      goto on_error;

    }

  }

  if( internal_volume->superblock->file_system_root_object_identifier == 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,

     "%s: invalid file system root object identifier - value out of bounds.",

     function );

    goto on_error;

  }

  if( libfsapfs_file_system_data_handle_initialize(

       &file_system_data_handle,

       internal_volume->io_handle,

       internal_volume->encryption_context,

       NULL,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create file system data handle.",

     function );

    goto on_error;

  }

  if( libfdata_vector_initialize(

       &( internal_volume->file_system_data_block_vector ),

       (size64_t) internal_volume->io_handle->block_size,

       (intptr_t *) file_system_data_handle,

       (int (*)(intptr_t **, libcerror_error_t **)) &libfsapfs_file_system_data_handle_free,

       NULL,

       (int (*)(intptr_t *, intptr_t *, libfdata_vector_t *, libfdata_cache_t *, int, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libfsapfs_file_system_data_handle_read_data_block,

       NULL,

       LIBFDATA_DATA_HANDLE_FLAG_MANAGED,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create file system data block vector.",

     function );

    goto on_error;

  }

  internal_volume->file_system_data_handle = file_system_data_handle;

  file_system_data_handle                  = NULL;

  if( libfdata_vector_append_segment(

       internal_volume->file_system_data_block_vector,

       &element_index,

       0,

       0,

       internal_volume->io_handle->container_size,

       0,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,

     "%s: unable to append segment to file system data block vector.",

     function );

    goto on_error;

  }

  return( 1 );

on_error:

  if( internal_volume->file_system_data_block_vector != NULL )

  {

    libfdata_vector_free(

     &( internal_volume->file_system_data_block_vector ),

     NULL );

  }

  if( file_system_data_handle != NULL )

  {

    libfsapfs_file_system_data_handle_free(

     &file_system_data_handle,

     NULL );

  }

  if( internal_volume->encryption_context != NULL )

  {

    libfsapfs_encryption_context_free(

     &( internal_volume->encryption_context ),

     NULL );

  }

  if( internal_volume->key_bag != NULL )

  {

    libfsapfs_volume_key_bag_free(

     &( internal_volume->key_bag ),

     NULL );

  }

  if( internal_volume->snapshot_metadata_tree != NULL )

  {

    libcdata_array_free(

     &( internal_volume->snapshots ),

     (int (*)(intptr_t **, libcerror_error_t **)) &libfsapfs_snapshot_metadata_free,

     NULL );

  }

  if( internal_volume->snapshot_metadata_tree != NULL )

  {

    libfsapfs_snapshot_metadata_tree_free(

     &( internal_volume->snapshot_metadata_tree ),

     NULL );

  }

#if defined( HAVE_DEBUG_OUTPUT )

  if( extent_reference_tree != NULL )

  {

    libfsapfs_extent_reference_tree_free(

     &extent_reference_tree,

     NULL );

  }

#endif

  if( internal_volume->object_map_btree != NULL )

  {

    libfsapfs_object_map_btree_free(

     &( internal_volume->object_map_btree ),

     NULL );

  }

  if( object_map != NULL )

  {

    libfsapfs_object_map_free(

     &object_map,

     NULL );

  }

  if( internal_volume->container_data_block_vector != NULL )

  {

    libfdata_vector_free(

     &( internal_volume->container_data_block_vector ),

     NULL );

  }

  if( container_data_handle != NULL )

  {

    libfsapfs_container_data_handle_free(

     &container_data_handle,

     NULL );

  }

  if( internal_volume->superblock != NULL )

  {

    libfsapfs_volume_superblock_free(

     &( internal_volume->superblock ),

     NULL );

  }

  return( -1 );

}

/* Closes a volume

 * Returns 0 if successful or -1 on error

 */

int libfsapfs_internal_volume_close(

     libfsapfs_internal_volume_t *internal_volume,

     libcerror_error_t **error )

{

  static char *function = "libfsapfs_internal_volume_close";

  int result            = 0;

  if( internal_volume == NULL )

  {

    libcerror_error_set(

     error,