/src/libfsext/libfsext/libfsext_inode.c

Source
/*
 * Inode functions
 *
 * Copyright (C) 2010-2026, 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 <narrow_string.h>
#include <system_string.h>
#include <types.h>
#include <wide_string.h>

#include "libfsext_attribute_values.h"
#include "libfsext_attributes_block.h"
#include "libfsext_block_data.h"
#include "libfsext_checksum.h"
#include "libfsext_data_blocks.h"
#include "libfsext_debug.h"
#include "libfsext_definitions.h"
#include "libfsext_extents.h"
#include "libfsext_inode.h"
#include "libfsext_io_handle.h"
#include "libfsext_libbfio.h"
#include "libfsext_libcdata.h"
#include "libfsext_libcerror.h"
#include "libfsext_libcnotify.h"
#include "libfsext_libfdata.h"
#include "libfsext_libfdatetime.h"
#include "libfsext_unused.h"
#include "libfsext_types.h"

#include "fsext_inode.h"

/* Creates a inode
 * Make sure the value inode is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_initialize(
     libfsext_inode_t **inode,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_initialize";

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

    return( -1 );
  }
  if( *inode != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid inode value already set.",
     function );

    return( -1 );
  }
  *inode = memory_allocate_structure(
            libfsext_inode_t );

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

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

    memory_free(
     *inode );

    *inode = NULL;

    return( -1 );
  }
  if( libcdata_array_initialize(
       &( ( *inode )->data_extents_array ),
       0,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create data extents array.",
     function );

    goto on_error;
  }
  return( 1 );

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

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

/* Frees a inode
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_free(
     libfsext_inode_t **inode,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_free";
  int result            = 1;

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

    return( -1 );
  }
  if( *inode != NULL )
  {
    if( libcdata_array_free(
         &( ( *inode )->data_extents_array ),
         (int (*)(intptr_t **, libcerror_error_t **)) &libfsext_extent_free,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free data extents array.",
       function );

      result = -1;
    }
    if( ( *inode )->extended_attributes_array != NULL )
    {
      if( libcdata_array_free(
           &( ( *inode )->extended_attributes_array ),
           (int (*)(intptr_t **, libcerror_error_t **)) &libfsext_attribute_values_free,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
         "%s: unable to free extended attributes array.",
         function );

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

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

/* Clones an inode
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_clone(
     libfsext_inode_t **destination_inode,
     libfsext_inode_t *source_inode,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_clone";

  if( destination_inode == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid inode.",
     function );

    return( -1 );
  }
  if( *destination_inode != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid destination inode value already set.",
     function );

    return( -1 );
  }
  if( source_inode == NULL )
  {
    *destination_inode = source_inode;

    return( 1 );
  }
  *destination_inode = memory_allocate_structure(
                        libfsext_inode_t );

  if( *destination_inode == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create destination inode.",
     function );

    goto on_error;
  }
  if( memory_copy(
       *destination_inode,
       source_inode,
       sizeof( libfsext_inode_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_COPY_FAILED,
     "%s: unable to copy source to destination inode.",
     function );

    goto on_error;
  }
  ( *destination_inode )->data_extents_array        = NULL;
  ( *destination_inode )->extended_attributes_array = NULL;

  if( libcdata_array_clone(
       &( ( *destination_inode )->data_extents_array ),
       source_inode->data_extents_array,
       (int (*)(intptr_t **, libcerror_error_t **)) &libfsext_extent_free,
       (int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) &libfsext_extent_clone,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create destination data extents array.",
     function );

    goto on_error;
  }
  /* Since the extended attribute array is only used in the file entry
   * do not do a full clone here.
   */
  if( source_inode->extended_attributes_array != NULL )
  {
    ( *destination_inode )->extended_attributes_array = source_inode->extended_attributes_array;
    source_inode->extended_attributes_array           = NULL;
  }
  return( 1 );

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

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

/* Reads the inode data
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_read_data(
     libfsext_inode_t *inode,
     libfsext_io_handle_t *io_handle,
     const uint8_t *data,
     size_t data_size,
     libcerror_error_t **error )
{
  uint8_t checksum_data[ 4 ];
  uint8_t empty_checksum_data[ 2 ]     = { 0, 0 };

  static char *function                = "libfsext_inode_read_data";
  size_t data_offset                   = 0;
  uint32_t access_time                 = 0;
  uint32_t calculated_checksum         = 0;
  uint32_t creation_time               = 0;
  uint32_t data_size_upper             = 0;
  uint32_t inode_change_time           = 0;
  uint32_t modification_time           = 0;
  uint32_t signature                   = 0;
  uint32_t stored_checksum             = 0;
  uint32_t supported_inode_flags       = 0;
  uint32_t value_32bit                 = 0;
  uint16_t extended_inode_size         = 0;
  uint16_t file_acl_block_number_upper = 0;
  uint16_t group_identifier_upper      = 0;
  uint16_t number_of_blocks_upper      = 0;
  uint16_t owner_identifier_upper      = 0;
  uint16_t value_16bit                 = 0;
  int result                           = 0;

#if defined( HAVE_DEBUG_OUTPUT )
  uint8_t value_data[ 8 ];
#endif

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

    return( -1 );
  }
  if( inode->extended_attributes_array != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid inode - extended attributes array 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( data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid data.",
     function );

    return( -1 );
  }
  if( ( data_size != 128 )
   && ( data_size != 256 )
   && ( data_size != 512 )
   && ( data_size != 1024 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported data size.",
     function );

    return( -1 );
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: inode data:\n",
     function );
    libcnotify_print_data(
     data,
     data_size,
     LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
  }
#endif
  result = libfsext_block_data_check_empty(
            data,
            data_size,
            error );

  if( result == -1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to determine if inode is empty.",
     function );

    goto on_error;
  }
  else if( result != 0 )
  {
    inode->is_empty = 1;

    return( 1 );
  }
  inode->is_empty = 0;

  /* Check the inode flags and extended inode size first
   * since they can influence what values are stored in the inode
   */
  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->flags,
   inode->flags );

  if( data_size > 128 )
  {
    byte_stream_copy_to_uint16_little_endian(
     ( (fsext_inode_ext3_t *) data )->extended_inode_size,
     extended_inode_size );

    if( extended_inode_size > ( data_size - sizeof( fsext_inode_ext2_t ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extended inode size value out of bounds.",
       function );

      goto on_error;
    }
  }
  byte_stream_copy_to_uint16_little_endian(
   ( (fsext_inode_ext2_t *) data )->file_mode,
   inode->file_mode );

  byte_stream_copy_to_uint16_little_endian(
   ( (fsext_inode_ext2_t *) data )->owner_identifier,
   inode->owner_identifier );

  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->data_size,
   inode->data_size );

  if( ( inode->flags & LIBFSEXT_INODE_FLAG_IS_EXTENDED_ATTRIBUTE_INODE ) == 0 )
  {
    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext2_t *) data )->access_time,
     access_time );

    inode->access_time  = (int32_t) access_time;
    inode->access_time *= 1000000000;

    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext2_t *) data )->inode_change_time,
     inode_change_time );

    inode->inode_change_time  = (int32_t) inode_change_time;
    inode->inode_change_time *= 1000000000;

    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext2_t *) data )->modification_time,
     modification_time );

    inode->modification_time  = (int32_t) modification_time;
    inode->modification_time *= 1000000000;
  }
  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->deletion_time,
   inode->deletion_time );

  byte_stream_copy_to_uint16_little_endian(
   ( (fsext_inode_ext2_t *) data )->group_identifier,
   inode->group_identifier );

  byte_stream_copy_to_uint16_little_endian(
   ( (fsext_inode_ext2_t *) data )->number_of_links,
   inode->number_of_links );

  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->number_of_blocks,
   inode->number_of_blocks );

#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: file mode\t\t\t\t\t: %" PRIo16 " (0x%04" PRIx16 ")\n",
     function,
     inode->file_mode,
     inode->file_mode );
    libfsext_debug_print_file_mode(
     inode->file_mode );

    libcnotify_printf(
     "%s: owner identifier (lower)\t\t\t: %" PRIu16 "\n",
     function,
     inode->owner_identifier );

    if( io_handle->format_version == 4 )
    {
      libcnotify_printf(
       "%s: data size (lower)\t\t\t\t: %" PRIu64 "\n",
       function,
       inode->data_size );
    }
    else
    {
      libcnotify_printf(
       "%s: data size\t\t\t\t\t: %" PRIu64 "\n",
       function,
       inode->data_size );
    }
    if( ( inode->flags & LIBFSEXT_INODE_FLAG_IS_EXTENDED_ATTRIBUTE_INODE ) == 0 )
    {
      if( libfsext_debug_print_posix_time_value(
           function,
           "access time (seconds)\t\t\t\t",
           ( (fsext_inode_ext2_t *) data )->access_time,
           4,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_SECONDS_32BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      if( libfsext_debug_print_posix_time_value(
           function,
           "inode change time (seconds)\t\t\t",
           ( (fsext_inode_ext2_t *) data )->inode_change_time,
           4,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_SECONDS_32BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      if( libfsext_debug_print_posix_time_value(
           function,
           "modification time (seconds)\t\t\t",
           ( (fsext_inode_ext2_t *) data )->modification_time,
           4,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_SECONDS_32BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
    }
    else
    {
/* TODO implement, extended attribute value data checksum */
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext2_t *) data )->access_time,
       value_32bit );
      libcnotify_printf(
       "%s: value data checksum\t\t\t\t: 0x%08" PRIx32 "\n",
       function,
       value_32bit );

/* TODO implement, lower 32-bit of extended attribute reference count */
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext2_t *) data )->inode_change_time,
       value_32bit );
      libcnotify_printf(
       "%s: reference count (lower)\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );

/* TODO implement, lower 32-bit of extended attribute owner inode number */
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext2_t *) data )->modification_time,
       value_32bit );
      libcnotify_printf(
       "%s: owner inode number\t\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );
    }
    if( libfsext_debug_print_posix_time_value(
         function,
         "deletion time\t\t\t\t\t",
         ( (fsext_inode_ext2_t *) data )->deletion_time,
         4,
         LIBFDATETIME_ENDIAN_LITTLE,
         LIBFDATETIME_POSIX_TIME_VALUE_TYPE_SECONDS_32BIT_SIGNED,
         LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
       "%s: unable to print POSIX time value.",
       function );

      goto on_error;
    }
    libcnotify_printf(
     "%s: group identifier (lower)\t\t\t: %" PRIu16 "\n",
     function,
     inode->group_identifier );

    libcnotify_printf(
     "%s: number of (hard) links\t\t\t: %" PRIu16 "\n",
     function,
     inode->number_of_links );

    if( io_handle->format_version == 4 )
    {
      libcnotify_printf(
       "%s: number of blocks (lower)\t\t\t: %" PRIu32 "\n",
       function,
       inode->number_of_blocks );
    }
    else
    {
      libcnotify_printf(
       "%s: number of blocks\t\t\t\t: %" PRIu32 "\n",
       function,
       inode->number_of_blocks );
    }
    libcnotify_printf(
     "%s: flags\t\t\t\t\t\t: 0x%08" PRIx32 "\n",
     function,
     inode->flags );
    libfsext_debug_print_inode_flags(
     inode->flags );
    libcnotify_printf(
     "\n" );

    if( io_handle->format_version == 4 )
    {
      if( ( inode->flags & LIBFSEXT_INODE_FLAG_IS_EXTENDED_ATTRIBUTE_INODE ) == 0 )
      {
        byte_stream_copy_to_uint32_little_endian(
         ( (fsext_inode_ext4_t *) data )->version_lower,
         value_32bit );
        libcnotify_printf(
         "%s: version (lower)\t\t\t\t: %" PRIu32 "\n",
         function,
         value_32bit );
      }
      else
      {
/* TODO implement, upper 32-bit of extended attribute reference count */
        byte_stream_copy_to_uint32_little_endian(
         ( (fsext_inode_ext4_t *) data )->version_lower,
         value_32bit );
        libcnotify_printf(
         "%s: reference count (upper)\t\t\t: %" PRIu32 "\n",
         function,
         value_32bit );
      }
    }
    else
    {
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext2_t *) data )->unknown1,
       value_32bit );
      libcnotify_printf(
       "%s: unknown (reserved)\t\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );
    }
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

/* TODO check if corresponding flag in superblock is set? */

  supported_inode_flags = 0x00000001UL
                        | 0x00000002UL
                        | 0x00000008UL
                        | 0x00000010UL
                        | 0x00000020UL
                        | 0x00000040UL
                        | 0x00000080UL
                        | 0x00001000UL
                        | 0x00004000UL
                        | 0x00008000UL
                        | 0x00010000UL
                        | 0x00080000UL
                        | 0x00200000UL
                        | 0x10000000UL;

  if( ( inode->flags & ~( supported_inode_flags ) ) != 0 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported inode flags: 0x%08" PRIx32 ".",
     function,
     inode->flags );

    goto on_error;
  }
  if( memory_copy(
       inode->data_reference,
       ( (fsext_inode_ext2_t *) data )->data_reference,
       60 ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_COPY_FAILED,
     "%s: unable to copy data reference.",
     function );

    goto on_error;
  }
  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->nfs_generation_number,
   inode->nfs_generation_number );

  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->file_acl_block_number,
   inode->file_acl_block_number );

  if( io_handle->format_version == 4 )
  {
    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext4_t *) data )->data_size_upper,
     data_size_upper );

    inode->data_size |= (uint64_t) data_size_upper << 32;
  }
  else
  {
    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext2_t *) data )->directory_acl,
     inode->directory_acl );
  }
  byte_stream_copy_to_uint32_little_endian(
   ( (fsext_inode_ext2_t *) data )->fragment_block_address,
   inode->fragment_block_address );

  if( io_handle->format_version == 4 )
  {
    byte_stream_copy_to_uint16_little_endian(
     ( (fsext_inode_ext4_t *) data )->number_of_blocks_upper,
     number_of_blocks_upper );

    inode->number_of_blocks |= (uint64_t) number_of_blocks_upper << 32;

    byte_stream_copy_to_uint16_little_endian(
     ( (fsext_inode_ext4_t *) data )->file_acl_block_number_upper,
     file_acl_block_number_upper );
  }
  else
  {
    /* TODO: fragment_block_index */

    /* TODO: fragment_size */
  }
  byte_stream_copy_to_uint16_little_endian(
   ( (fsext_inode_ext2_t *) data )->owner_identifier_upper,
   owner_identifier_upper );

  inode->owner_identifier |= (uint32_t) owner_identifier_upper << 16;

  byte_stream_copy_to_uint16_little_endian(
   ( (fsext_inode_ext2_t *) data )->group_identifier_upper,
   group_identifier_upper );

  inode->group_identifier |= (uint32_t) group_identifier_upper << 16;

  if( io_handle->format_version == 4 )
  {
    byte_stream_copy_to_uint16_little_endian(
     ( (fsext_inode_ext4_t *) data )->checksum_lower,
     value_16bit );

    stored_checksum = value_16bit;

    if( extended_inode_size >= 4 )
    {
      byte_stream_copy_to_uint16_little_endian(
       ( (fsext_inode_ext4_t *) data )->checksum_upper,
       value_16bit );

      stored_checksum |= (uint32_t) value_16bit << 16;
    }
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    if( ( io_handle->format_version == 4 )
     && ( ( inode->flags & 0x10080000UL ) != 0 ) )
    {
      libcnotify_printf(
       "%s: data reference:\n",
       function );
      libcnotify_print_data(
       inode->data_reference,
       60,
       0 );
    }
    else if( ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_CHARACTER_DEVICE )
          || ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_BLOCK_DEVICE ) )
    {
      libcnotify_printf(
       "%s: minor device number\t\t\t\t: %" PRIu8 "\n",
       function,
       inode->data_reference[ 0 ] );

      libcnotify_printf(
       "%s: major device number\t\t\t\t: %" PRIu8 "\n",
       function,
       inode->data_reference[ 1 ] );
    }
    else if( ( ( inode->file_mode & 0xf000 ) == 0xa000 )
          && ( inode->data_size < 60 ) )
    {
      libcnotify_printf(
       "%s: symbolic link data:\n",
       function );
      libcnotify_print_data(
       inode->data_reference,
       60,
       0 );
    }
    else
    {
      libcnotify_printf(
       "%s: direct block numbers\t\t\t\t:",
       function );

      for( data_offset = 0;
           data_offset < 48;
           data_offset += 4 )
      {
        byte_stream_copy_to_uint32_little_endian(
         &( ( inode->data_reference )[ data_offset ] ),
         value_32bit );

        if( data_offset == 0 )
        {
          libcnotify_printf(
           " %" PRIu32 "",
           value_32bit );
        }
        else
        {
          libcnotify_printf(
           ", %" PRIu32 "",
           value_32bit );
        }
      }
      libcnotify_printf(
       "\n" );

      byte_stream_copy_to_uint32_little_endian(
       &( ( inode->data_reference )[ data_offset ] ),
       value_32bit );

      data_offset += 4;

      libcnotify_printf(
       "%s: indirect block number\t\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );

      byte_stream_copy_to_uint32_little_endian(
       &( ( inode->data_reference )[ data_offset ] ),
       value_32bit );

      data_offset += 4;

      libcnotify_printf(
       "%s: double indirect block number\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );

      byte_stream_copy_to_uint32_little_endian(
       &( ( inode->data_reference )[ data_offset ] ),
       value_32bit );

      data_offset += 4;

      libcnotify_printf(
       "%s: triple indirect block number\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );
    }
    libcnotify_printf(
     "%s: NFS generation number\t\t\t\t: %" PRIu32 "\n",
     function,
     inode->nfs_generation_number );

    if( io_handle->format_version == 4 )
    {
      libcnotify_printf(
       "%s: file ACL block number (lower)\t\t\t: %" PRIu32 "\n",
       function,
       inode->file_acl_block_number );

      libcnotify_printf(
       "%s: data size (upper)\t\t\t\t: %" PRIu32 "\n",
       function,
       data_size_upper );
    }
    else
    {
      libcnotify_printf(
       "%s: file ACL block number\t\t\t\t: %" PRIu32 "\n",
       function,
       inode->file_acl_block_number );

      libcnotify_printf(
       "%s: directory ACL\t\t\t\t\t: %" PRIu32 "\n",
       function,
       inode->directory_acl );
    }
    libcnotify_printf(
     "%s: fragment block address\t\t\t: %" PRIu32 "\n",
     function,
     inode->fragment_block_address );

    if( io_handle->format_version == 4 )
    {
      libcnotify_printf(
       "%s: number of blocks (upper)\t\t\t: %" PRIu16 "\n",
       function,
       number_of_blocks_upper );

      libcnotify_printf(
       "%s: file ACL block number (upper)\t\t\t: %" PRIu16 "\n",
       function,
       file_acl_block_number_upper );
    }
    else
    {
      libcnotify_printf(
       "%s: fragment block index\t\t\t\t: %" PRIu8 "\n",
       function,
       ( (fsext_inode_ext2_t *) data )->fragment_block_index );

      libcnotify_printf(
       "%s: fragment size\t\t\t\t\t: %" PRIu8 "\n",
       function,
       ( (fsext_inode_ext2_t *) data )->fragment_size );

      byte_stream_copy_to_uint16_little_endian(
       ( (fsext_inode_ext2_t *) data )->padding1,
       value_16bit );
      libcnotify_printf(
       "%s: padding1\t\t\t\t\t: %" PRIu16 "\n",
       function,
       value_16bit );
    }
    libcnotify_printf(
     "%s: owner identifier (upper)\t\t\t: %" PRIu16 "\n",
     function,
     owner_identifier_upper );

    libcnotify_printf(
     "%s: group identifier (upper)\t\t\t: %" PRIu16 "\n",
     function,
     group_identifier_upper );

    if( io_handle->format_version == 4 )
    {
      byte_stream_copy_to_uint16_little_endian(
       ( (fsext_inode_ext4_t *) data )->checksum_lower,
       value_16bit );
      libcnotify_printf(
       "%s: checksum (lower)\t\t\t\t: 0x%04" PRIx16 "\n",
       function,
       value_16bit );

      byte_stream_copy_to_uint16_little_endian(
       ( (fsext_inode_ext4_t *) data )->unknown2,
       value_16bit );
      libcnotify_printf(
       "%s: unknown (reserved)\t\t\t\t: %" PRIu16 "\n",
       function,
       value_16bit );
    }
    else
    {
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext2_t *) data )->unknown2,
       value_32bit );
      libcnotify_printf(
       "%s: unknown (reserved)\t\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );
    }
    if( data_size > 128 )
    {
      libcnotify_printf(
       "%s: extended inode size\t\t\t\t: %" PRIu16 "\n",
       function,
       extended_inode_size );
    }
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  if( extended_inode_size >= 28 )
  {
    if( ( inode->flags & LIBFSEXT_INODE_FLAG_IS_EXTENDED_ATTRIBUTE_INODE ) == 0 )
    {
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->inode_change_time_extra,
       value_32bit );

      if( ( value_32bit & 0x00000003UL ) != 0 )
      {
        inode->inode_change_time  = 0x100000000UL;
        inode->inode_change_time *= ( value_32bit & 0x00000003UL );
        inode->inode_change_time += (int32_t) inode_change_time;

        if( ( inode->inode_change_time < ( (int64_t) INT64_MIN / 1000000000 ) )
         || ( inode->inode_change_time > ( (int64_t) INT64_MAX / 1000000000 ) ) )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
           "%s: unsupported inode change time value out of bounds.",
           function );

          goto on_error;
        }
        inode->inode_change_time *= 1000000000;
      }
      value_32bit >>= 2;

      if( ( inode->inode_change_time < ( (int64_t) INT64_MIN + value_32bit ) )
       || ( inode->inode_change_time > ( (int64_t) INT64_MAX - value_32bit ) ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
         "%s: unsupported inode change time value out of bounds.",
         function );

        goto on_error;
      }
      inode->inode_change_time += value_32bit;

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->modification_time_extra,
       value_32bit );

      if( ( value_32bit & 0x00000003UL ) != 0 )
      {
        inode->modification_time  = 0x100000000UL;
        inode->modification_time *= ( value_32bit & 0x00000003UL );
        inode->modification_time += (int32_t) modification_time;

        if( ( inode->modification_time < ( (int64_t) INT64_MIN / 1000000000 ) )
         || ( inode->modification_time > ( (int64_t) INT64_MAX / 1000000000 ) ) )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
           "%s: unsupported modification time value out of bounds.",
           function );

          goto on_error;
        }
        inode->modification_time *= 1000000000;
      }
      value_32bit >>= 2;

      if( ( inode->modification_time < ( (int64_t) INT64_MIN + value_32bit ) )
       || ( inode->modification_time > ( (int64_t) INT64_MAX - value_32bit ) ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
         "%s: unsupported modification time value out of bounds.",
         function );

        goto on_error;
      }
      inode->modification_time += value_32bit;

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->access_time_extra,
       value_32bit );

      if( ( value_32bit & 0x00000003UL ) != 0 )
      {
        inode->access_time  = 0x100000000UL;
        inode->access_time *= ( value_32bit & 0x00000003UL );
        inode->access_time += (int32_t) access_time;

        if( ( inode->access_time < ( (int64_t) INT64_MIN / 1000000000 ) )
         || ( inode->access_time > ( (int64_t) INT64_MAX / 1000000000 ) ) )
        {
          libcerror_error_set(
           error,
           LIBCERROR_ERROR_DOMAIN_RUNTIME,
           LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
           "%s: unsupported access time value out of bounds.",
           function );

          goto on_error;
        }
        inode->access_time *= 1000000000;
      }
      value_32bit >>= 2;

      if( ( inode->access_time < ( (int64_t) INT64_MIN + value_32bit ) )
       || ( inode->access_time > ( (int64_t) INT64_MAX - value_32bit ) ) )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
         "%s: unsupported access time value out of bounds.",
         function );

        goto on_error;
      }
      inode->access_time += value_32bit;
    }
    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext4_t *) data )->creation_time,
     creation_time );

    byte_stream_copy_to_uint32_little_endian(
     ( (fsext_inode_ext4_t *) data )->creation_time_extra,
     value_32bit );

    if( ( value_32bit & 0x00000003UL ) == 0 )
    {
      inode->creation_time = (int32_t) creation_time;
    }
    else
    {
      inode->creation_time  = 0x100000000UL;
      inode->creation_time *= ( value_32bit & 0x00000003UL );
      inode->creation_time += (int32_t) creation_time;
    }
    value_32bit >>= 2;

    if( ( inode->creation_time < ( ( (int64_t) INT64_MIN + value_32bit ) / 1000000000 ) )
     || ( inode->creation_time > ( ( (int64_t) INT64_MAX - value_32bit ) / 1000000000 ) ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: unsupported creation time value out of bounds.",
       function );

      goto on_error;
    }
    inode->creation_time *= 1000000000;
    inode->creation_time += value_32bit;

    inode->has_creation_time = 1;

#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      byte_stream_copy_to_uint16_little_endian(
       ( (fsext_inode_ext4_t *) data )->checksum_upper,
       value_16bit );
      libcnotify_printf(
       "%s: checksum (upper)\t\t\t\t: 0x%04" PRIx16 "\n",
       function,
       value_16bit );

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->inode_change_time_extra,
       value_32bit );
      libcnotify_printf(
       "%s: inode change time extra\t\t\t: 0x%04" PRIx32 "\n",
       function,
       value_32bit );

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->modification_time_extra,
       value_32bit );
      libcnotify_printf(
       "%s: modification time extra\t\t\t: 0x%04" PRIx32 "\n",
       function,
       value_32bit );

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->access_time_extra,
       value_32bit );
      libcnotify_printf(
       "%s: access time extra\t\t\t\t: 0x%04" PRIx32 "\n",
       function,
       value_32bit );

      if( libfsext_debug_print_posix_time_value(
           function,
           "creation time (seconds)\t\t\t",
           ( (fsext_inode_ext4_t *) data )->creation_time,
           4,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_SECONDS_32BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->creation_time_extra,
       value_32bit );
      libcnotify_printf(
       "%s: creation time extra\t\t\t\t: 0x%04" PRIx32 "\n",
       function,
       value_32bit );

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->version_upper,
       value_32bit );
      libcnotify_printf(
       "%s: version (upper)\t\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );

      byte_stream_copy_to_uint32_little_endian(
       ( (fsext_inode_ext4_t *) data )->project_identifier,
       value_32bit );
      libcnotify_printf(
       "%s: project identifier\t\t\t\t: %" PRIu32 "\n",
       function,
       value_32bit );
    }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    if( io_handle->format_version == 4 )
    {
      libcnotify_printf(
       "%s: data size\t\t\t\t\t: %" PRIu64 "\n",
       function,
       inode->data_size );

    }
    if( extended_inode_size >= 28 )
    {
      byte_stream_copy_from_uint64_little_endian(
       value_data,
       inode->inode_change_time );

      if( libfsext_debug_print_posix_time_value(
           function,
           "inode change time\t\t\t\t",
           value_data,
           8,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_NANO_SECONDS_64BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME_NANO_SECONDS,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      byte_stream_copy_from_uint64_little_endian(
       value_data,
       inode->modification_time );

      if( libfsext_debug_print_posix_time_value(
           function,
           "modification time\t\t\t\t",
           value_data,
           8,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_NANO_SECONDS_64BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME_NANO_SECONDS,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      byte_stream_copy_from_uint64_little_endian(
       value_data,
       inode->access_time );

      if( libfsext_debug_print_posix_time_value(
           function,
           "access time\t\t\t\t\t",
           value_data,
           8,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_NANO_SECONDS_64BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME_NANO_SECONDS,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      byte_stream_copy_from_uint64_little_endian(
       value_data,
       inode->creation_time );

      if( libfsext_debug_print_posix_time_value(
           function,
           "creation time\t\t\t\t\t",
           value_data,
           8,
           LIBFDATETIME_ENDIAN_LITTLE,
           LIBFDATETIME_POSIX_TIME_VALUE_TYPE_NANO_SECONDS_64BIT_SIGNED,
           LIBFDATETIME_STRING_FORMAT_TYPE_CTIME | LIBFDATETIME_STRING_FORMAT_FLAG_DATE_TIME_NANO_SECONDS,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_PRINT_FAILED,
         "%s: unable to print POSIX time value.",
         function );

        goto on_error;
      }
      libcnotify_printf(
       "%s: checksum\t\t\t\t\t: 0x%08" PRIx32 "\n",
       function,
       stored_checksum );

/* TODO print version */
    }
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  if( ( io_handle->read_only_compatible_features_flags & LIBFSEXT_READ_ONLY_COMPATIBLE_FEATURES_FLAG_METADATA_CHECKSUM ) != 0 )
  {
    byte_stream_copy_from_uint32_little_endian(
     checksum_data,
     inode->inode_number );

    if( libfsext_checksum_calculate_crc32(
         &calculated_checksum,
         checksum_data,
         4,
         io_handle->metadata_checksum_seed,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to calculate CRC-32.",
       function );

      return( -1 );
    }
    if( libfsext_checksum_calculate_crc32(
         &calculated_checksum,
         ( (fsext_inode_ext4_t *) data )->nfs_generation_number,
         4,
         calculated_checksum,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to calculate CRC-32.",
       function );

      return( -1 );
    }
    if( libfsext_checksum_calculate_crc32(
         &calculated_checksum,
         data,
         124,
         calculated_checksum,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to calculate CRC-32.",
       function );

      return( -1 );
    }
    if( libfsext_checksum_calculate_crc32(
         &calculated_checksum,
         empty_checksum_data,
         2,
         calculated_checksum,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to calculate CRC-32.",
       function );

      return( -1 );
    }
    if( libfsext_checksum_calculate_crc32(
         &calculated_checksum,
         &( data[ 126 ] ),
         2,
         calculated_checksum,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_SET_FAILED,
       "%s: unable to calculate CRC-32.",
       function );

      return( -1 );
    }
    if( data_size > 128 )
    {
      if( libfsext_checksum_calculate_crc32(
           &calculated_checksum,
           &( data[ 128 ] ),
           2,
           calculated_checksum,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_SET_FAILED,
         "%s: unable to calculate CRC-32.",
         function );

        return( -1 );
      }
      if( libfsext_checksum_calculate_crc32(
           &calculated_checksum,
           empty_checksum_data,
           2,
           calculated_checksum,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_SET_FAILED,
         "%s: unable to calculate CRC-32.",
         function );

        return( -1 );
      }
      if( libfsext_checksum_calculate_crc32(
           &calculated_checksum,
           &( data[ 132 ] ),
           data_size - 132,
           calculated_checksum,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_SET_FAILED,
         "%s: unable to calculate CRC-32.",
         function );

        return( -1 );
      }
    }
    calculated_checksum = 0xffffffffUL - calculated_checksum;

    if( ( stored_checksum != 0 )
     && ( stored_checksum != calculated_checksum ) )
    {
#if defined( HAVE_DEBUG_OUTPUT )
      if( libcnotify_verbose != 0 )
      {
        libcnotify_printf(
         "%s: mismatch in checksum ( 0x%08" PRIx32 " != 0x%08" PRIx32 " ).\n",
         function,
         stored_checksum,
         calculated_checksum );
      }
#endif
    }
  }
  data_offset = 128 + extended_inode_size;

  if( extended_inode_size >= 28 )
  {
#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: unknown exended inode data:\n",
       function );
      libcnotify_print_data(
       &( data[ sizeof( fsext_inode_ext4_t ) ] ),
       data_offset - sizeof( fsext_inode_ext4_t ),
       LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
    }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

    inode->file_acl_block_number |= (uint64_t) file_acl_block_number_upper << 32;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  else if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "\n" );
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  if( data_offset < ( data_size - 4 ) )
  {
    byte_stream_copy_to_uint32_little_endian(
     &( data[ data_offset ] ),
     signature );
  }
  if( signature == 0xea020000UL )
  {
#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: extended attributes data:\n",
       function );
      libcnotify_print_data(
       &( data[ data_offset ] ),
       data_size - data_offset,
       LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
    }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

    if( libcdata_array_initialize(
         &( inode->extended_attributes_array ),
         0,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extended attributes array.",
       function );

      goto on_error;
    }
    if( libfsext_attributes_block_read_entries_data(
         &( data[ data_offset + 4 ] ),
         data_size - data_offset - 4,
         0,
         inode->extended_attributes_array,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_IO,
       LIBCERROR_IO_ERROR_READ_FAILED,
       "%s: unable to read extended attributes entries.",
       function );

      goto on_error;
    }
  }
#if defined( HAVE_DEBUG_OUTPUT )
  else if( libcnotify_verbose != 0 )
  {
    if( data_offset < data_size )
    {
      libcnotify_printf(
       "%s: trailing data:\n",
       function );
      libcnotify_print_data(
       &( data[ data_offset ] ),
       data_size - data_offset,
       LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
    }
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  return( 1 );

on_error:
  if( inode->extended_attributes_array != NULL )
  {
    libcdata_array_free(
     &( inode->extended_attributes_array ),
     (int (*)(intptr_t **, libcerror_error_t **)) &libfsext_attribute_values_free,
     NULL );
  }
  return( -1 );
}

/* Reads the inode data reference
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_read_data_reference(
     libfsext_inode_t *inode,
     libfsext_io_handle_t *io_handle,
     libbfio_handle_t *file_io_handle,
     libcerror_error_t **error )
{
  static char *function     = "libfsext_inode_read_data_reference";
  uint32_t number_of_blocks = 0;

  if( inode == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid inode.",
     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( io_handle->block_size == 0 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid IO handle - block size value out of bounds.",
     function );

    return( -1 );
  }
  if( ( io_handle->format_version == 4 )
   && ( ( inode->flags & LIBFSEXT_INODE_FLAG_COMPRESSED_DATA ) != 0 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
     "%s: compressed data currently not supported.",
     function );

    return( -1 );
  }
  if( inode->data_size > 0 )
  {
    if( ( inode->data_size / io_handle->block_size ) > (uint64_t) ( UINT32_MAX - 1 ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid inode - data size value out of bounds.",
       function );

      return( -1 );
    }
    number_of_blocks = (uint32_t) ( inode->data_size / io_handle->block_size );

    if( ( inode->data_size % io_handle->block_size ) != 0 )
    {
      number_of_blocks++;
    }
    if( ( io_handle->format_version == 4 )
     && ( ( inode->flags & LIBFSEXT_INODE_FLAG_INLINE_DATA ) != 0 ) )
    {
      /* The data is stored inline in inode->data_reference
       * Note that inode->data_size can be larger than 60
       */
    }
    else if( ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_CHARACTER_DEVICE )
          || ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_BLOCK_DEVICE ) )
    {
      /* The major and minor device numbers are stored in inode->data_reference */
    }
    else if( ( ( inode->file_mode & 0xf000 ) == 0xa000 )
          && ( inode->data_size < 60 ) )
    {
      /* The symbolic link target path is stored in inode->data_reference */
    }
    else if( ( io_handle->format_version == 4 )
          && ( ( inode->flags & LIBFSEXT_INODE_FLAG_HAS_EXTENTS ) != 0 ) )
    {
      if( libfsext_extents_read_inode_data_reference(
           inode->data_extents_array,
           io_handle,
           file_io_handle,
           number_of_blocks,
           inode->data_reference,
           60,
           error ) == -1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_IO,
         LIBCERROR_IO_ERROR_READ_FAILED,
         "%s: unable to read extents from data reference.",
         function );

        return( -1 );
      }
    }
    else
    {
      if( libfsext_data_blocks_read_inode_data_reference(
           inode->data_extents_array,
           io_handle,
           file_io_handle,
           number_of_blocks,
           inode->data_reference,
           60,
           error ) != 1 )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_IO,
         LIBCERROR_IO_ERROR_READ_FAILED,
         "%s: unable to read data blocks from data reference.",
         function );

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

/* Determines if the inode is empty
 * Returns 1 if empty, 0 if not or -1 on error
 */
int libfsext_inode_is_empty(
     libfsext_inode_t *inode,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_is_empty";

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

    return( -1 );
  }
  return( (int) inode->is_empty );
}

/* Retrieves the access date and time
 * The timestamp is a signed 64-bit POSIX date and time value in number of nano seconds
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_access_time(
     libfsext_inode_t *inode,
     int64_t *posix_time,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_access_time";

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

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

    return( -1 );
  }
  *posix_time = inode->access_time;

  return( 1 );
}

/* Retrieves the creation date and time
 * The timestamp is a signed 64-bit POSIX date and time value in number of nano seconds
 * Returns 1 if successful, 0 if not available or -1 on error
 */
int libfsext_inode_get_creation_time(
     libfsext_inode_t *inode,
     int64_t *posix_time,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_creation_time";

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

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

    return( -1 );
  }
  if( inode->has_creation_time != 0 )
  {
    *posix_time = inode->creation_time;

    return( 1 );
  }
  return( 0 );
}

/* Retrieves the inode change time date and time
 * The timestamp is a signed 64-bit POSIX date and time value in number of nano seconds
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_inode_change_time(
     libfsext_inode_t *inode,
     int64_t *posix_time,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_inode_change_time";

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

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

    return( -1 );
  }
  *posix_time = inode->inode_change_time;

  return( 1 );
}

/* Retrieves the modification date and time
 * The timestamp is a signed 64-bit POSIX date and time value in number of nano seconds
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_modification_time(
     libfsext_inode_t *inode,
     int64_t *posix_time,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_modification_time";

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

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

    return( -1 );
  }
  *posix_time = inode->modification_time;

  return( 1 );
}

/* Retrieves the deletion date and time
 * The timestamp is a signed 32-bit POSIX date and time value in number of seconds
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_deletion_time(
     libfsext_inode_t *inode,
     int32_t *posix_time,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_deletion_time";

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

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

    return( -1 );
  }
  *posix_time = (int32_t) inode->deletion_time;

  return( 1 );
}

/* Retrieves the file mode
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_file_mode(
     libfsext_inode_t *inode,
     uint16_t *file_mode,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_file_mode";

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

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

    return( -1 );
  }
  *file_mode = inode->file_mode;

  return( 1 );
}

/* Retrieves the number of (hard) links
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_number_of_links(
     libfsext_inode_t *inode,
     uint16_t *number_of_links,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_number_of_links";

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

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

    return( -1 );
  }
  *number_of_links = inode->number_of_links;

  return( 1 );
}

/* Retrieves the data size
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_data_size(
     libfsext_inode_t *inode,
     uint64_t *data_size,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_data_size";

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

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

    return( -1 );
  }
  *data_size = inode->data_size;

  return( 1 );
}

/* Retrieves the owner identifier
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_owner_identifier(
     libfsext_inode_t *inode,
     uint32_t *owner_identifier,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_owner_identifier";

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

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

    return( -1 );
  }
  *owner_identifier = inode->owner_identifier;

  return( 1 );
}

/* Retrieves the group identifier
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_group_identifier(
     libfsext_inode_t *inode,
     uint32_t *group_identifier,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_group_identifier";

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

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

    return( -1 );
  }
  *group_identifier = inode->group_identifier;

  return( 1 );
}

/* Retrieves the file ACL (or extended attributes) block numer
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_file_acl_block_number(
     libfsext_inode_t *inode,
     uint32_t *file_acl_block_number,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_file_acl_block_number";

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

    return( -1 );
  }
  if( file_acl_block_number == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid file ACL block number.",
     function );

    return( -1 );
  }
  *file_acl_block_number = inode->file_acl_block_number;

  return( 1 );
}

/* Retrieves the device identifier
 * Returns 1 if successful, 0 if not available or -1 on error
 */
int libfsext_inode_get_device_identifier(
     libfsext_inode_t *inode,
     uint32_t *device_identifier,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_device_identifier";

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

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

    return( -1 );
  }
  if( ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_CHARACTER_DEVICE )
   || ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_BLOCK_DEVICE ) )
  {
    byte_stream_copy_to_uint16_little_endian(
     inode->data_reference,
     *device_identifier );

    return( 1 );
  }
  return( 0 );
}

/* Retrieves the device number
 * Returns 1 if successful, 0 if not available or -1 on error
 */
int libfsext_inode_get_device_number(
     libfsext_inode_t *inode,
     uint8_t *major_device_number,
     uint8_t *minor_device_number,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_device_number";

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

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

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

    return( -1 );
  }
  if( ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_CHARACTER_DEVICE )
   || ( ( inode->file_mode & 0xf000 ) == LIBFSEXT_FILE_TYPE_BLOCK_DEVICE ) )
  {
    *major_device_number = inode->data_reference[ 1 ];
    *minor_device_number = inode->data_reference[ 0 ];

    return( 1 );
  }
  return( 0 );
}

/* Retrieves the number of extents
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_number_of_extents(
     libfsext_inode_t *inode,
     int *number_of_extents,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_number_of_extents";

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

    return( -1 );
  }
  if( libcdata_array_get_number_of_entries(
       inode->data_extents_array,
       number_of_extents,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve number of entries.",
     function );

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

/* Retrieves a specific extent
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_get_extent_by_index(
     libfsext_inode_t *inode,
     int extent_index,
     libfsext_extent_t **extent,
     libcerror_error_t **error )
{
  static char *function = "libfsext_inode_get_extent_by_index";

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

    return( -1 );
  }
  if( libcdata_array_get_entry_by_index(
       inode->data_extents_array,
       extent_index,
       (intptr_t **) extent,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve extent: %d.",
     function,
     extent_index );

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

/* Reads an inode
 * Callback function for the inodes vector
 * Returns 1 if successful or -1 on error
 */
int libfsext_inode_read_element_data(
     libfsext_io_handle_t *io_handle,
     libbfio_handle_t *file_io_handle,
     libfdata_vector_t *vector,
     libfdata_cache_t *cache,
     int element_index,
     int element_data_file_index LIBFSEXT_ATTRIBUTE_UNUSED,
     off64_t element_data_offset,
     size64_t element_data_size,
     uint32_t element_flags LIBFSEXT_ATTRIBUTE_UNUSED,
     uint8_t read_flags LIBFSEXT_ATTRIBUTE_UNUSED,
     libcerror_error_t **error )
{
  libfsext_inode_t *inode = NULL;
  uint8_t *data           = NULL;
  static char *function   = "libfsext_inode_read_element_data";
  ssize_t read_count      = 0;

  LIBFSEXT_UNREFERENCED_PARAMETER( element_data_file_index )
  LIBFSEXT_UNREFERENCED_PARAMETER( element_flags )
  LIBFSEXT_UNREFERENCED_PARAMETER( read_flags )

  if( (uint64_t) element_index > (uint64_t) ( UINT32_MAX - 1 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: element index value out of bounds.",
     function );

    return( -1 );
  }
  if( ( element_data_size == 0 )
   || ( element_data_size > (size64_t) MEMORY_MAXIMUM_ALLOCATION_SIZE ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: element data size value out of bounds.",
     function );

    return( -1 );
  }
  data = (uint8_t *) memory_allocate(
                      sizeof( uint8_t ) * (size_t) element_data_size );

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

    goto on_error;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: reading inode at offset: %" PRIi64 " (0x%08" PRIx64 ")\n",
     function,
     element_data_offset,
     element_data_offset );
  }
#endif
  read_count = libbfio_handle_read_buffer_at_offset(
                file_io_handle,
                data,
                (size_t) element_data_size,
                element_data_offset,
                error );

  if( read_count != (ssize_t) element_data_size )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read inode at offset: %" PRIi64 " (0x%08" PRIx64 ").",
     function,
     element_data_offset,
     element_data_offset );

    goto on_error;
  }
  if( libfsext_inode_initialize(
       &inode,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create inode.",
     function );

    goto on_error;
  }
  inode->inode_number = (uint32_t) element_index + 1;

  if( libfsext_inode_read_data(
       inode,
       io_handle,
       data,
       (size_t) element_data_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read inode at offset: %" PRIi64 " (0x%08" PRIx64 ").",
     function,
     element_data_offset,
     element_data_offset );

    goto on_error;
  }
  if( libfsext_inode_read_data_reference(
       inode,
       io_handle,
       file_io_handle,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read inode data reference.",
     function );

    goto on_error;
  }
  if( libfdata_vector_set_element_value_by_index(
       vector,
       (intptr_t *) file_io_handle,
       cache,
       element_index,
       (intptr_t *) inode,
       (int (*)(intptr_t **, libcerror_error_t **)) &libfsext_inode_free,
       LIBFDATA_LIST_ELEMENT_VALUE_FLAG_MANAGED,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_SET_FAILED,
     "%s: unable to set inode as element value.",
     function );

    goto on_error;
  }
  memory_free(
   data );

  return( 1 );

on_error:
  if( inode != NULL )
  {
    libfsext_inode_free(
     &inode,
     NULL );
  }
  if( data != NULL )
  {
    memory_free(
     data );
  }
  return( -1 );
}


Coverage Report

Created: 2026-07-25 07:30