/src/libvmdk/libvmdk/libvmdk_extent_table.c

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/*
 * Extent table functions
 *
 * Copyright (C) 2009-2023, 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 <system_string.h>
#include <types.h>
#include <wide_string.h>

#include "libvmdk_definitions.h"
#include "libvmdk_extent_file.h"
#include "libvmdk_extent_table.h"
#include "libvmdk_extent_values.h"
#include "libvmdk_libbfio.h"
#include "libvmdk_libcdata.h"
#include "libvmdk_libcerror.h"
#include "libvmdk_libclocale.h"
#include "libvmdk_libcpath.h"
#include "libvmdk_libfcache.h"
#include "libvmdk_libfdata.h"
#include "libvmdk_libuna.h"
#include "libvmdk_system_string.h"

/* Creates an extent table
 * Make sure the value extent_table is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_initialize(
     libvmdk_extent_table_t **extent_table,
     libvmdk_io_handle_t *io_handle,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_initialize";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( *extent_table != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid extent table 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 );
  }
  *extent_table = memory_allocate_structure(
                   libvmdk_extent_table_t );

  if( *extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create extent table.",
     function );

    goto on_error;
  }
  if( memory_set(
       *extent_table,
       0,
       sizeof( libvmdk_extent_table_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear extent table.",
     function );

    goto on_error;
  }
  ( *extent_table )->io_handle = io_handle;

  return( 1 );

on_error:
  if( *extent_table != NULL )
  {
    memory_free(
     *extent_table );

    *extent_table = NULL;
  }
  return( -1 );
}

/* Frees an extent table
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_free(
     libvmdk_extent_table_t **extent_table,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_free";
  int result            = 1;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( *extent_table != NULL )
  {
    if( libvmdk_extent_table_clear(
         *extent_table,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to clear extent table.",
       function );

      result = -1;
    }
    memory_free(
     *extent_table );

    *extent_table = NULL;
  }
  return( result );
}

/* Clears the extent table
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_clear(
     libvmdk_extent_table_t *extent_table,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_clear";
  int result            = 1;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path != NULL )
  {
    memory_free(
     extent_table->data_files_path );

    extent_table->data_files_path      = NULL;
    extent_table->data_files_path_size = 0;
  }
  if( extent_table->extent_files_list != NULL )
  {
    if( libfdata_list_free(
         &( extent_table->extent_files_list ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free extent files list.",
       function );

      result = -1;
    }
  }
  if( extent_table->extent_files_cache != NULL )
  {
    if( libfcache_cache_free(
         &( extent_table->extent_files_cache ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free extent files cache.",
       function );

      result = -1;
    }
  }
  if( extent_table->extent_files_stream != NULL )
  {
    if( libfdata_stream_free(
         &( extent_table->extent_files_stream ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free extent files stream.",
       function );

      result = -1;
    }
  }
  if( memory_set(
       extent_table,
       0,
       sizeof( libvmdk_extent_table_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to extent table.",
     function );

    result = -1;
  }
  return( result );
}

/* Retrieves the size of the data file_path
 * Returns 1 if successful, 0 if value not present or -1 on error
 */
int libvmdk_extent_table_get_data_files_path_size(
     libvmdk_extent_table_t *extent_table,
     size_t *path_size,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_get_data_files_path_size";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path == NULL )
  {
    return( 0 );
  }
  if( libvmdk_system_string_size_to_narrow_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to determine data files path size.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Retrieves the data files path
 * Returns 1 if successful, 0 if value not present or -1 on error
 */
int libvmdk_extent_table_get_data_files_path(
     libvmdk_extent_table_t *extent_table,
     char *path,
     size_t path_size,
     libcerror_error_t **error )
{
  static char *function   = "libvmdk_extent_table_get_data_files_path";
  size_t narrow_path_size = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid path size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path == NULL )
  {
    return( 0 );
  }
  if( libvmdk_system_string_size_to_narrow_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       &narrow_path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to determine data files path size.",
     function );

    return( -1 );
  }
  if( path_size < narrow_path_size )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
     "%s: path too small.",
     function );

    return( -1 );
  }
  if( libvmdk_system_string_copy_to_narrow_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       path,
       path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to set data files path.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Sets the data files path
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_set_data_files_path(
     libvmdk_extent_table_t *extent_table,
     const char *path,
     size_t path_length,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_set_data_files_path";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_length > (size_t) ( SSIZE_MAX - 1 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid path length value exceeds maximum.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path != NULL )
  {
    memory_free(
     extent_table->data_files_path );

    extent_table->data_files_path      = NULL;
    extent_table->data_files_path_size = 0;
  }
  if( libvmdk_system_string_size_from_narrow_string(
       path,
       path_length + 1,
       &( extent_table->data_files_path_size ),
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to determine data files path size.",
     function );

    goto on_error;
  }
  extent_table->data_files_path = system_string_allocate(
                                   extent_table->data_files_path_size );

  if( extent_table->data_files_path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create data files path.",
     function );

    goto on_error;
  }
  if( libvmdk_system_string_copy_from_narrow_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       path,
       path_length + 1,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to set data files path.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( extent_table->data_files_path != NULL )
  {
    memory_free(
     extent_table->data_files_path );

    extent_table->data_files_path = NULL;
  }
  extent_table->data_files_path_size = 0;

  return( -1 );
}

#if defined( HAVE_WIDE_CHARACTER_TYPE )

/* Retrieves the size of the data files path
 * Returns 1 if successful, 0 if value not present or -1 on error
 */
int libvmdk_extent_table_get_data_files_path_size_wide(
     libvmdk_extent_table_t *extent_table,
     size_t *path_size,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_get_data_files_path_size_wide";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( path_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path size.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path == NULL )
  {
    return( 0 );
  }
  if( libvmdk_system_string_size_to_wide_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to determine data files path size.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Retrieves the data files path
 * Returns 1 if successful, 0 if value not present or -1 on error
 */
int libvmdk_extent_table_get_data_files_path_wide(
     libvmdk_extent_table_t *extent_table,
     wchar_t *path,
     size_t path_size,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_get_data_files_path_wide";
  size_t wide_path_size = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid path size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path == NULL )
  {
    return( 0 );
  }
  if( libvmdk_system_string_size_to_wide_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       &wide_path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to determine data files path size.",
     function );

    return( -1 );
  }
  if( path_size < wide_path_size )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
     "%s: path too small.",
     function );

    return( -1 );
  }
  if( libvmdk_system_string_copy_to_wide_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       path,
       path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to set data files path.",
     function );

    return( -1 );
  }
  return( 1 );
}

/* Sets the data files path
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_set_data_files_path_wide(
     libvmdk_extent_table_t *extent_table,
     const wchar_t *path,
     size_t path_length,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_set_data_files_path_wide";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid  path.",
     function );

    return( -1 );
  }
  if( path_length > (size_t) ( SSIZE_MAX - 1 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid path length value exceeds maximum.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path != NULL )
  {
    memory_free(
     extent_table->data_files_path );

    extent_table->data_files_path      = NULL;
    extent_table->data_files_path_size = 0;
  }
  if( libvmdk_system_string_size_from_wide_string(
       path,
       path_length + 1,
       &( extent_table->data_files_path_size ),
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to determine data files path size.",
     function );

    goto on_error;
  }
  extent_table->data_files_path = system_string_allocate(
                                   extent_table->data_files_path_size );

  if( extent_table->data_files_path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create data files path.",
     function );

    goto on_error;
  }
  if( libvmdk_system_string_copy_from_wide_string(
       extent_table->data_files_path,
       extent_table->data_files_path_size,
       path,
       path_length + 1,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_CONVERSION,
     LIBCERROR_CONVERSION_ERROR_GENERIC,
     "%s: unable to set data files path.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( extent_table->data_files_path != NULL )
  {
    memory_free(
     extent_table->data_files_path );

    extent_table->data_files_path = NULL;
  }
  extent_table->data_files_path_size = 0;

  return( -1 );
}

#endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */

/* Retrieves the path of an extent data file 
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_get_extent_data_file_path(
     libvmdk_extent_table_t *extent_table,
     libvmdk_extent_values_t *extent_values,
     char **path,
     size_t *path_size,
     libcerror_error_t **error )
{
  uint8_t *utf8_filename           = NULL;
  char *extent_data_filename       = NULL;
  static char *function            = "libvmdk_extent_table_get_extent_data_file_path";
  char *narrow_filename            = NULL;
  size_t extent_data_filename_size = 0;
  size_t narrow_filename_size      = 0;
  size_t utf8_filename_size        = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_values == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent values.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path size.",
     function );

    return( -1 );
  }
  if( libvmdk_extent_values_get_utf8_filename_size(
       extent_values,
       &utf8_filename_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-8 extent filename size.",
     function );

    goto on_error;
  }
  if( ( utf8_filename_size == 0 )
   || ( utf8_filename_size > MEMORY_MAXIMUM_ALLOCATION_SIZE ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid UTF-8 extent filename size value out of bounds.",
     function );

    goto on_error;
  }
  utf8_filename = (uint8_t *) memory_allocate(
                               sizeof( uint8_t ) * utf8_filename_size );

  if( utf8_filename == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create UTF-8 extent filename.",
     function );

    goto on_error;
  }
  if( libvmdk_extent_values_get_utf8_filename(
       extent_values,
       utf8_filename,
       utf8_filename_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-8 extent filename.",
     function );

    goto on_error;
  }
  if( libclocale_codepage == 0 )
  {
    narrow_filename      = (char *) utf8_filename;
    narrow_filename_size = utf8_filename_size;
    utf8_filename        = NULL;
  }
  else
  {
    if( libuna_byte_stream_size_from_utf8(
         utf8_filename,
         utf8_filename_size,
         libclocale_codepage,
         &narrow_filename_size,
         error ) != 1)
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve narrow extent filename size.",
       function );

      goto on_error;
    }
    if( ( narrow_filename_size == 0 )
     || ( narrow_filename_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE / sizeof( char ) ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid narrow extent filename size value out of bounds.",
       function );

      goto on_error;
    }
    narrow_filename = narrow_string_allocate(
                       narrow_filename_size );

    if( narrow_filename == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create narrow extent filename.",
       function );

      goto on_error;
    }
    if( libuna_byte_stream_copy_from_utf8(
         (uint8_t *) narrow_filename,
         narrow_filename_size,
         libclocale_codepage,
         utf8_filename,
         utf8_filename_size,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve narrow extent filename.",
       function );

      goto on_error;
    }
  }
  extent_data_filename = narrow_string_search_character_reverse(
                          narrow_filename,
                          (int) LIBCPATH_SEPARATOR,
                          narrow_filename_size );

  if( extent_data_filename != NULL )
  {
    /* Ignore the path separator itself
     */
    extent_data_filename++;

    extent_data_filename_size = (size_t) ( extent_data_filename - narrow_filename );
  }
  else
  {
    extent_data_filename      = narrow_filename;
    extent_data_filename_size = narrow_filename_size;
  }
  if( libvmdk_extent_table_join_extent_data_file_path(
       extent_table,
       extent_data_filename,
       extent_data_filename_size,
       path,
       path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to join extent data file path.",
     function );

    goto on_error;
  }
  memory_free(
   narrow_filename );

  return( 1 );

on_error:
  if( narrow_filename != NULL )
  {
    memory_free(
     narrow_filename );
  }
  if( utf8_filename != NULL )
  {
    memory_free(
     utf8_filename );
  }
  return( -1 );
}

/* Joins an extent data filename with the data files path
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_join_extent_data_file_path(
     libvmdk_extent_table_t *extent_table,
     const char *extent_data_filename,
     size_t extent_data_filename_size,
     char **path,
     size_t *path_size,
     libcerror_error_t **error )
{
  static char *function              = "libvmdk_extent_table_join_extent_data_file_path";
  char *narrow_data_files_path       = NULL;
  char *safe_path                    = NULL;
  size_t narrow_data_files_path_size = 0;
  size_t safe_path_size              = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_data_filename == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent data filename.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path size.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path == NULL )
  {
    if( ( extent_data_filename_size == 0 )
     || ( extent_data_filename_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE / sizeof( char ) ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent data filename size value out of bounds.",
       function );

      goto on_error;
    }
    safe_path = narrow_string_allocate(
                 extent_data_filename_size );

    if( safe_path == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create path.",
       function );

      goto on_error;
    }
    safe_path_size = extent_data_filename_size;

    if( narrow_string_copy(
         safe_path,
         extent_data_filename,
         extent_data_filename_size ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_COPY_FAILED,
       "%s: unable to copy path.",
       function );

      goto on_error;
    }
    safe_path[ safe_path_size - 1 ] = 0;
  }
  else
  {
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
    if( libvmdk_extent_table_get_data_files_path_size(
         extent_table,
         &narrow_data_files_path_size,
         error ) != 1)
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve narrow data files path size.",
       function );

      goto on_error;
    }
    if( ( narrow_data_files_path_size == 0 )
     || ( narrow_data_files_path_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE / sizeof( char ) ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid narrow data files path size value out of bounds.",
       function );

      goto on_error;
    }
    narrow_data_files_path = narrow_string_allocate(
                              narrow_data_files_path_size );

    if( narrow_data_files_path == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create narrow data files path.",
       function );

      goto on_error;
    }
    if( libvmdk_extent_table_get_data_files_path(
         extent_table,
         narrow_data_files_path,
         narrow_data_files_path_size,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve narrow data file path.",
       function );

      goto on_error;
    }
#else
    narrow_data_files_path      = (char *) extent_table->data_files_path;
    narrow_data_files_path_size = extent_table->data_files_path_size;

#endif /* defined( HAVE_WIDE_SYSTEM_CHARACTER ) */

    if( libcpath_path_join(
         &safe_path,
         &safe_path_size,
         narrow_data_files_path,
         narrow_data_files_path_size - 1,
         extent_data_filename,
         extent_data_filename_size - 1,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create path.",
       function );

      goto on_error;
    }
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
    memory_free(
     narrow_data_files_path );
#endif
  }
  *path      = safe_path;
  *path_size = safe_path_size;

  return( 1 );

on_error:
  if( safe_path != NULL )
  {
    memory_free(
     safe_path );
  }
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
  if( narrow_data_files_path != NULL )
  {
    memory_free(
     narrow_data_files_path );
  }
#endif
  return( -1 );
}

#if defined( HAVE_WIDE_CHARACTER_TYPE )

/* Retrieves the path of an extent data file 
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_get_extent_data_file_path_wide(
     libvmdk_extent_table_t *extent_table,
     libvmdk_extent_values_t *extent_values,
     wchar_t **path,
     size_t *path_size,
     libcerror_error_t **error )
{
  uint8_t *utf8_filename           = NULL;
  wchar_t *extent_data_filename    = NULL;
  wchar_t *wide_filename           = NULL;
  static char *function            = "libvmdk_extent_table_get_extent_data_file_path_wide";
  size_t extent_data_filename_size = 0;
  size_t utf8_filename_size        = 0;
  size_t wide_filename_size        = 0;
  int result                       = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_values == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent values.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path size.",
     function );

    return( -1 );
  }
  if( libvmdk_extent_values_get_utf8_filename_size(
       extent_values,
       &utf8_filename_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-8 extent filename size.",
     function );

    goto on_error;
  }
  if( ( utf8_filename_size == 0 )
   || ( utf8_filename_size > MEMORY_MAXIMUM_ALLOCATION_SIZE ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid UTF-8 extent filename size value out of bounds.",
     function );

    goto on_error;
  }
  utf8_filename = (uint8_t *) memory_allocate(
                               sizeof( uint8_t ) * utf8_filename_size );

  if( utf8_filename == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create UTF-8 extent filename.",
     function );

    goto on_error;
  }
  if( libvmdk_extent_values_get_utf8_filename(
       extent_values,
       utf8_filename,
       utf8_filename_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-8 extent filename.",
     function );

    goto on_error;
  }
#if SIZEOF_WCHAR_T == 4
  result = libuna_utf32_string_size_from_utf8(
            utf8_filename,
            utf8_filename_size,
            &wide_filename_size,
            error );
#elif SIZEOF_WCHAR_T == 2
  result = libuna_utf16_string_size_from_utf8(
            utf8_filename,
            utf8_filename_size,
            &wide_filename_size,
            error );
#else
#error Unsupported size of wchar_t
#endif /* SIZEOF_WCHAR_T */

  if( result != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve wide extent filename size.",
     function );

    goto on_error;
  }
  if( ( wide_filename_size == 0 )
   || ( wide_filename_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE / sizeof( wchar_t ) ) ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid wide extent filename size value out of bounds.",
     function );

    goto on_error;
  }
  wide_filename = wide_string_allocate(
                   wide_filename_size );

  if( wide_filename == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create wide extent filename.",
     function );

    goto on_error;
  }
#if SIZEOF_WCHAR_T == 4
  result = libuna_utf32_string_copy_from_utf8(
            (libuna_utf32_character_t *) wide_filename,
            wide_filename_size,
            utf8_filename,
            utf8_filename_size,
            error );
#elif SIZEOF_WCHAR_T == 2
  result = libuna_utf16_string_copy_from_utf8(
            (libuna_utf16_character_t *) wide_filename,
            wide_filename_size,
            utf8_filename,
            utf8_filename_size,
            error );
#else
#error Unsupported size of wchar_t
#endif /* SIZEOF_WCHAR_T */

  if( result != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve wide extent filename.",
     function );

    goto on_error;
  }
  memory_free(
   utf8_filename );

  utf8_filename = NULL;

  extent_data_filename = wide_string_search_character_reverse(
                          wide_filename,
                          (wint_t) LIBCPATH_SEPARATOR,
                          wide_filename_size );

  if( extent_data_filename != NULL )
  {
    /* Ignore the path separator itself
     */
    extent_data_filename++;

    extent_data_filename_size = (size_t) ( extent_data_filename - wide_filename );
  }
  else
  {
    extent_data_filename      = wide_filename;
    extent_data_filename_size = wide_filename_size;
  }
  if( libvmdk_extent_table_join_extent_data_file_path_wide(
       extent_table,
       extent_data_filename,
       extent_data_filename_size,
       path,
       path_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to join extent data file path.",
     function );

    goto on_error;
  }
  memory_free(
   wide_filename );

  return( 1 );

on_error:
  if( wide_filename != NULL )
  {
    memory_free(
     wide_filename );
  }
  if( utf8_filename != NULL )
  {
    memory_free(
     utf8_filename );
  }
  return( -1 );
}

/* Joins an extent data filename with the data files path
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_join_extent_data_file_path_wide(
     libvmdk_extent_table_t *extent_table,
     const wchar_t *extent_data_filename,
     size_t extent_data_filename_size,
     wchar_t **path,
     size_t *path_size,
     libcerror_error_t **error )
{
  wchar_t *safe_path               = NULL;
  wchar_t *wide_data_files_path    = NULL;
  static char *function            = "libvmdk_extent_table_join_extent_data_file_path_wide";
  size_t safe_path_size            = 0;
  size_t wide_data_files_path_size = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_data_filename == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent data filename.",
     function );

    return( -1 );
  }
  if( path == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path.",
     function );

    return( -1 );
  }
  if( path_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid path size.",
     function );

    return( -1 );
  }
  if( extent_table->data_files_path == NULL )
  {
    if( ( extent_data_filename_size == 0 )
     || ( extent_data_filename_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE / sizeof( wchar_t ) ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent data filename size value out of bounds.",
       function );

      goto on_error;
    }
    safe_path = wide_string_allocate(
                 extent_data_filename_size );

    if( safe_path == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create path.",
       function );

      goto on_error;
    }
    safe_path_size = extent_data_filename_size;

    if( wide_string_copy(
         safe_path,
         extent_data_filename,
         extent_data_filename_size ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_COPY_FAILED,
       "%s: unable to copy path.",
       function );

      goto on_error;
    }
    safe_path[ safe_path_size - 1 ] = 0;
  }
  else
  {
#if !defined( HAVE_WIDE_SYSTEM_CHARACTER )
    if( libvmdk_extent_table_get_data_files_path_size_wide(
         extent_table,
         &wide_data_files_path_size,
         error ) != 1)
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve wide data files path size.",
       function );

      goto on_error;
    }
    if( ( wide_data_files_path_size == 0 )
     || ( wide_data_files_path_size > ( MEMORY_MAXIMUM_ALLOCATION_SIZE / sizeof( wchar_t ) ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid wide data files path size value out of bounds.",
       function );

      goto on_error;
    }
    wide_data_files_path = wide_string_allocate(
                            wide_data_files_path_size );

    if( wide_data_files_path == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create wide data files path.",
       function );

      goto on_error;
    }
    if( libvmdk_extent_table_get_data_files_path_wide(
         extent_table,
         wide_data_files_path,
         wide_data_files_path_size,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve wide data file path.",
       function );

      goto on_error;
    }
#else
    wide_data_files_path      = (wchar_t *) extent_table->data_files_path;
    wide_data_files_path_size = extent_table->data_files_path_size;

#endif /* !defined( HAVE_WIDE_SYSTEM_CHARACTER ) */

    if( libcpath_path_join_wide(
         &safe_path,
         &safe_path_size,
         wide_data_files_path,
         wide_data_files_path_size - 1,
         extent_data_filename,
         extent_data_filename_size - 1,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create path.",
       function );

      goto on_error;
    }
#if !defined( HAVE_WIDE_SYSTEM_CHARACTER )
    memory_free(
     wide_data_files_path );
#endif
  }
  *path      = safe_path;
  *path_size = safe_path_size;

  return( 1 );

on_error:
  if( safe_path != NULL )
  {
    memory_free(
     safe_path );
  }
#if !defined( HAVE_WIDE_SYSTEM_CHARACTER )
  if( wide_data_files_path != NULL )
  {
    memory_free(
     wide_data_files_path );
  }
#endif
  return( -1 );
}

#endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */

/* Initializes the extents
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_initialize_extents(
     libvmdk_extent_table_t *extent_table,
     int number_of_extents,
     int disk_type,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_initialize_extents";
  int result            = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( ( disk_type != LIBVMDK_DISK_TYPE_FLAT_2GB_EXTENT )
   && ( disk_type != LIBVMDK_DISK_TYPE_MONOLITHIC_FLAT )
   && ( disk_type != LIBVMDK_DISK_TYPE_SPARSE_2GB_EXTENT )
   && ( disk_type != LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE )
   && ( disk_type != LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED )
   && ( disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT )
   && ( disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT_PRE_ALLOCATED )
   && ( disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT_ZEROED )
   && ( disk_type != LIBVMDK_DISK_TYPE_VMFS_SPARSE )
   && ( disk_type != LIBVMDK_DISK_TYPE_VMFS_SPARSE_THIN ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported disk type.",
     function );

    return( -1 );
  }
  if( ( disk_type == LIBVMDK_DISK_TYPE_FLAT_2GB_EXTENT )
   || ( disk_type == LIBVMDK_DISK_TYPE_MONOLITHIC_FLAT )
   || ( disk_type == LIBVMDK_DISK_TYPE_VMFS_FLAT )
   || ( disk_type == LIBVMDK_DISK_TYPE_VMFS_FLAT_PRE_ALLOCATED )
   || ( disk_type == LIBVMDK_DISK_TYPE_VMFS_FLAT_ZEROED ) )
  {
    result = libfdata_stream_initialize(
              &( extent_table->extent_files_stream ),
              (intptr_t *) extent_table->io_handle,
              NULL,
              NULL,
              NULL,
              (ssize_t (*)(intptr_t *, intptr_t *, int, int, uint8_t *, size_t, uint32_t, uint8_t, libcerror_error_t **)) &libvmdk_extent_file_read_segment_data,
              NULL,
              (off64_t (*)(intptr_t *, intptr_t *, int, int, off64_t, libcerror_error_t **)) &libvmdk_extent_file_seek_segment_offset,
              LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
              error );

    if( result != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extent files stream.",
       function );

      goto on_error;
    }
    if( libfdata_stream_resize(
         extent_table->extent_files_stream,
         number_of_extents,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED,
       "%s: unable to resize extents file stream.",
       function );

      goto on_error;
    }
  }
  else if( ( disk_type == LIBVMDK_DISK_TYPE_SPARSE_2GB_EXTENT )
        || ( disk_type == LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE )
        || ( disk_type == LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED )
        || ( disk_type == LIBVMDK_DISK_TYPE_VMFS_SPARSE )
        || ( disk_type == LIBVMDK_DISK_TYPE_VMFS_SPARSE_THIN ) )
  {
    result = libfdata_list_initialize(
              &( extent_table->extent_files_list ),
              (intptr_t *) extent_table->io_handle,
              NULL,
              NULL,
              (int (*)(intptr_t *, intptr_t *, libfdata_list_element_t *, libfdata_cache_t *, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libvmdk_extent_file_read_element_data,
              NULL,
              LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
              error );

    if( result != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extent files list.",
       function );

      goto on_error;
    }
    if( libfdata_list_resize(
         extent_table->extent_files_list,
         number_of_extents,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED,
       "%s: unable to resize extent files list.",
       function );

      goto on_error;
    }
    result = libfcache_cache_initialize(
        &( extent_table->extent_files_cache ),
        LIBVMDK_MAXIMUM_CACHE_ENTRIES_EXTENT_FILES,
        error );

    if( result != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extent files cache.",
       function );

      goto on_error;
    }
  }
  extent_table->number_of_extents = number_of_extents;
  extent_table->disk_type         = disk_type;

  return( 1 );

on_error:
  if( extent_table->extent_files_list != NULL )
  {
    libfdata_list_free(
     &( extent_table->extent_files_list ),
     NULL );
  }
  if( extent_table->extent_files_stream != NULL )
  {
    libfdata_stream_free(
     &( extent_table->extent_files_stream ),
     NULL );
  }
  return( -1 );
}

/* Sets the extent storage media size for a specific extent in the extent table
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_set_extent_storage_media_size_by_index(
     libvmdk_extent_table_t *extent_table,
     int extent_index,
     size64_t storage_media_size,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_set_extent_storage_media_size_by_index";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( libfdata_list_set_mapped_size_by_index(
       extent_table->extent_files_list,
       extent_index,
       storage_media_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
     "%s: unable to set mapped size of element: %d in extent files list.",
     function,
     extent_index );

    return( -1 );
  }
  return( 1 );
}

/* Retrieves an extent file at a specific offset from the extent table
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_get_extent_file_at_offset(
     libvmdk_extent_table_t *extent_table,
     off64_t offset,
     libbfio_pool_t *file_io_pool,
     int *extent_index,
     off64_t *extent_file_data_offset,
     libvmdk_extent_file_t **extent_file,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_get_extent_file_at_offset";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( libfdata_list_get_element_value_at_offset(
       extent_table->extent_files_list,
       (intptr_t *) file_io_pool,
       (libfdata_cache_t *) extent_table->extent_files_cache,
       offset,
       extent_index,
       extent_file_data_offset,
       (intptr_t **) extent_file,
       0,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve element at offset: %" PRIi64 " (0x%08" PRIx64 ") from extent files list.",
     function,
     offset,
     offset );

    return( -1 );
  }
  return( 1 );
}

/* Sets an extent in the extent table based on the extent values
 * Returns 1 if successful or -1 on error
 */
int libvmdk_extent_table_set_extent_by_extent_values(
     libvmdk_extent_table_t *extent_table,
     libvmdk_extent_values_t *extent_values,
     int extent_index,
     int file_io_pool_entry,
     size64_t extent_file_size,
     off64_t extent_offset,
     size64_t extent_size,
     libcerror_error_t **error )
{
  static char *function = "libvmdk_extent_table_set_extent_by_extent_values";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_values == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent values.",
     function );

    return( -1 );
  }
  if( ( extent_index < 0 )
   || ( extent_index > extent_table->number_of_extents ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid extent index value out of bounds.",
     function );

    return( -1 );
  }
  if( extent_index == 0 )
  {
    if( extent_values->type == LIBVMDK_EXTENT_TYPE_FLAT )
    {
      if( ( extent_table->disk_type != LIBVMDK_DISK_TYPE_FLAT_2GB_EXTENT )
       && ( extent_table->disk_type != LIBVMDK_DISK_TYPE_MONOLITHIC_FLAT ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: extent type not supported for disk type.",
         function );

        return( -1 );
      }
    }
    else if( extent_values->type == LIBVMDK_EXTENT_TYPE_SPARSE )
    {
      if( ( extent_table->disk_type != LIBVMDK_DISK_TYPE_SPARSE_2GB_EXTENT )
       && ( extent_table->disk_type != LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE )
       && ( extent_table->disk_type != LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: extent type not supported for disk type.",
         function );

        return( -1 );
      }
    }
    else if( extent_values->type == LIBVMDK_EXTENT_TYPE_VMFS_FLAT )
    {
      if( ( extent_table->disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT )
       && ( extent_table->disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT_PRE_ALLOCATED )
       && ( extent_table->disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT_ZEROED ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: extent type not supported for disk type.",
         function );

        return( -1 );
      }
    }
    else if( extent_values->type == LIBVMDK_EXTENT_TYPE_VMFS_SPARSE )
    {
      if( ( extent_table->disk_type != LIBVMDK_DISK_TYPE_VMFS_SPARSE )
       && ( extent_table->disk_type != LIBVMDK_DISK_TYPE_VMFS_SPARSE_THIN ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: extent type not supported for disk type.",
         function );

        return( -1 );
      }
    }
    else
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
       "%s: unsupported extent type.",
       function );

      return( -1 );
    }
    extent_table->extent_type = extent_values->type;
  }
  else if( extent_table->extent_type != extent_values->type )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: mixed extent types not supported.",
     function );

    return( -1 );
  }
  if( ( extent_values->type == LIBVMDK_EXTENT_TYPE_FLAT )
   || ( extent_values->type == LIBVMDK_EXTENT_TYPE_VMFS_FLAT ) )
  {
    if( ( extent_offset < 0 )
     || ( (size64_t) extent_offset >= extent_file_size ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent offset value out of bounds.",
       function );

      return( -1 );
    }
    if( extent_size > ( extent_file_size - (size64_t) extent_offset ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent size value out of bounds.",
       function );

      return( -1 );
    }
    if( libfdata_stream_set_segment_by_index(
         extent_table->extent_files_stream,
         extent_index,
         file_io_pool_entry,
         extent_offset,
         extent_size,
         0,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to set segment: %d in extent files stream.",
       function,
       extent_index );

      return( -1 );
    }
  }
  else if( ( extent_values->type == LIBVMDK_EXTENT_TYPE_SPARSE )
        || ( extent_values->type == LIBVMDK_EXTENT_TYPE_VMFS_SPARSE ) )
  {
    if( extent_offset != 0 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent offset value out of bounds.",
       function );

      return( -1 );
    }
    if( libfdata_list_set_element_by_index_with_mapped_size(
         extent_table->extent_files_list,
         extent_index,
         file_io_pool_entry,
         0,
         extent_file_size,
         0,
         extent_size,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to set element: %d in extent files list.",
       function,
       extent_index );

      return( -1 );
    }
  }
  return( 1 );
}


Coverage Report

Created: 2024-02-25 07:20