/*

 * Attribute functions

 *

 * Copyright (C) 2010-2023, 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 <types.h>

#include "libfsntfs_attribute.h"

#include "libfsntfs_bitmap_values.h"

#include "libfsntfs_data_run.h"

#include "libfsntfs_debug.h"

#include "libfsntfs_definitions.h"

#include "libfsntfs_file_name_values.h"

#include "libfsntfs_io_handle.h"

#include "libfsntfs_libbfio.h"

#include "libfsntfs_libcdata.h"

#include "libfsntfs_libcerror.h"

#include "libfsntfs_libcnotify.h"

#include "libfsntfs_libcthreads.h"

#include "libfsntfs_logged_utility_stream_values.h"

#include "libfsntfs_mft_attribute.h"

#include "libfsntfs_object_identifier_values.h"

#include "libfsntfs_path_hint.h"

#include "libfsntfs_reparse_point_values.h"

#include "libfsntfs_security_descriptor_values.h"

#include "libfsntfs_standard_information_values.h"

#include "libfsntfs_txf_data_values.h"

#include "libfsntfs_types.h"

#include "libfsntfs_unused.h"

#include "libfsntfs_volume_information_values.h"

#include "libfsntfs_volume_name_values.h"

/* Creates an attribute

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

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_attribute_initialize(

     libfsntfs_attribute_t **attribute,

     libfsntfs_mft_attribute_t *mft_attribute,

     libcerror_error_t **error )

{

  libfsntfs_internal_attribute_t *internal_attribute = NULL;

  static char *function                              = "libfsntfs_attribute_initialize";

  if( attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  if( *attribute != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

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

     function );

    return( -1 );

  }

  if( mft_attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid MFT attribute.",

     function );

    return( -1 );

  }

  internal_attribute = memory_allocate_structure(

                        libfsntfs_internal_attribute_t );

  if( internal_attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create attribute.",

     function );

    goto on_error;

  }

  if( memory_set(

       internal_attribute,

       0,

       sizeof( libfsntfs_internal_attribute_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear attribute.",

     function );

    memory_free(

     internal_attribute );

    return( -1 );

  }

#if defined( HAVE_LIBFSNTFS_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_initialize(

       &( internal_attribute->read_write_lock ),

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

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

     function );

    goto on_error;

  }

#endif

  internal_attribute->mft_attribute = mft_attribute;

  *attribute = (libfsntfs_attribute_t *) internal_attribute;

  return( 1 );

on_error:

  if( internal_attribute != NULL )

  {

    memory_free(

     internal_attribute );

  }

  return( -1 );

}

/* Frees an attribute

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_attribute_free(

     libfsntfs_attribute_t **attribute,

     libcerror_error_t **error )

{

  static char *function = "libfsntfs_attribute_free";

  if( attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  if( *attribute != NULL )

  {

    *attribute = NULL;

  }

  return( 1 );

}

/* Frees an attribute

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_internal_attribute_free(

     libfsntfs_internal_attribute_t **internal_attribute,

     libcerror_error_t **error )

{

  static char *function = "libfsntfs_internal_attribute_free";

  int result            = 1;

  if( internal_attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  if( *internal_attribute != NULL )

  {

    /* The mft_attribute reference is freed elsewhere

     */

#if defined( HAVE_LIBFSNTFS_MULTI_THREAD_SUPPORT )

    if( libcthreads_read_write_lock_free(

         &( ( *internal_attribute )->read_write_lock ),

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

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

       function );

      result = -1;

    }

#endif

    if( ( *internal_attribute )->path_hint != NULL )

    {

      if( libfsntfs_path_hint_free(

           &( ( *internal_attribute )->path_hint ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

         "%s: unable to free attribute path hint.",

         function );

        result = -1;

      }

    }

    if( ( *internal_attribute )->value != NULL )

    {

      if( ( *internal_attribute )->free_value != NULL )

      {

        if( ( *internal_attribute )->free_value(

             &( ( *internal_attribute )->value ),

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

           "%s: unable to free attribute value.",

           function );

          result = -1;

        }

      }

    }

    memory_free(

     *internal_attribute );

    *internal_attribute = NULL;

  }

  return( result );

}

/* Reads the attribute value

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_internal_attribute_read_value(

     libfsntfs_internal_attribute_t *internal_attribute,

     libfsntfs_io_handle_t *io_handle,

     libbfio_handle_t *file_io_handle,

     uint8_t flags,

     libcerror_error_t **error )

{

  static char *function   = "libfsntfs_internal_attribute_read_value";

  uint32_t attribute_type = 0;

  int result              = 0;

  if( internal_attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  if( internal_attribute->value != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid attribute - value already set.",

     function );

    return( -1 );

  }

  if( libfsntfs_internal_attribute_get_type(

       internal_attribute,

       &attribute_type,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve type from attribute.",

     function );

    goto on_error;

  }

  switch( attribute_type )

  {

    case LIBFSNTFS_ATTRIBUTE_TYPE_BITMAP:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_bitmap_values_free;

      if( libfsntfs_bitmap_values_initialize(

           (libfsntfs_bitmap_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create bitmap values.",

         function );

        goto on_error;

      }

      if( libfsntfs_bitmap_values_read_from_mft_attribute(

           (libfsntfs_bitmap_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           io_handle,

           file_io_handle,

           io_handle->cluster_block_size,

           flags,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read bitmap values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_FILE_NAME:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_file_name_values_free;

      if( libfsntfs_file_name_values_initialize(

           (libfsntfs_file_name_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create file name values.",

         function );

        goto on_error;

      }

      if( libfsntfs_file_name_values_read_from_mft_attribute(

           (libfsntfs_file_name_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read file name values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_LOGGED_UTILITY_STREAM:

      result = libfsntfs_mft_attribute_compare_name_with_utf8_string(

                internal_attribute->mft_attribute,

                (uint8_t *) "$TXF_DATA",

                9,

                error );

      if( result == -1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_GENERIC,

         "%s: unable to compare UTF-8 string with attribute name.",

         function );

        goto on_error;

      }

      else if( result != 0 )

      {

        internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_txf_data_values_free;

        if( libfsntfs_txf_data_values_initialize(

             (libfsntfs_txf_data_values_t **) &( internal_attribute->value ),

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

           "%s: unable to create TxF data values.",

           function );

          goto on_error;

        }

        if( libfsntfs_txf_data_values_read_from_mft_attribute(

             (libfsntfs_txf_data_values_t *) internal_attribute->value,

             internal_attribute->mft_attribute,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_IO,

           LIBCERROR_IO_ERROR_READ_FAILED,

           "%s: unable to read TxF data values.",

           function );

          goto on_error;

        }

      }

      else

      {

        internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_logged_utility_stream_values_free;

        if( libfsntfs_logged_utility_stream_values_initialize(

             (libfsntfs_logged_utility_stream_values_t **) &( internal_attribute->value ),

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_RUNTIME,

           LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

           "%s: unable to create logged utility stream values.",

           function );

          goto on_error;

        }

        if( libfsntfs_logged_utility_stream_values_read_from_mft_attribute(

             (libfsntfs_logged_utility_stream_values_t *) internal_attribute->value,

             internal_attribute->mft_attribute,

             error ) != 1 )

        {

          libcerror_error_set(

           error,

           LIBCERROR_ERROR_DOMAIN_IO,

           LIBCERROR_IO_ERROR_READ_FAILED,

           "%s: unable to read logged utility stream values.",

           function );

          goto on_error;

        }

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_OBJECT_IDENTIFIER:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_object_identifier_values_free;

      if( libfsntfs_object_identifier_values_initialize(

           (libfsntfs_object_identifier_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create object identifier values.",

         function );

        goto on_error;

      }

      if( libfsntfs_object_identifier_values_read_from_mft_attribute(

           (libfsntfs_object_identifier_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read object identifier values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_REPARSE_POINT:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_reparse_point_values_free;

      if( libfsntfs_reparse_point_values_initialize(

           (libfsntfs_reparse_point_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create reparse point values.",

         function );

        goto on_error;

      }

      if( libfsntfs_reparse_point_values_read_from_mft_attribute(

           (libfsntfs_reparse_point_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read reparse point values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_SECURITY_DESCRIPTOR:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_security_descriptor_values_free;

      if( libfsntfs_security_descriptor_values_initialize(

           (libfsntfs_security_descriptor_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create security descriptor values.",

         function );

        goto on_error;

      }

      if( libfsntfs_security_descriptor_values_read_from_mft_attribute(

           (libfsntfs_security_descriptor_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           io_handle,

           file_io_handle,

           flags,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read security descriptor values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_STANDARD_INFORMATION:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_standard_information_values_free;

      if( libfsntfs_standard_information_values_initialize(

           (libfsntfs_standard_information_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create standard information values.",

         function );

        goto on_error;

      }

      if( libfsntfs_standard_information_values_read_from_mft_attribute(

           (libfsntfs_standard_information_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read standard information values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_VOLUME_INFORMATION:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_volume_information_values_free;

      if( libfsntfs_volume_information_values_initialize(

           (libfsntfs_volume_information_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create volume information values.",

         function );

        goto on_error;

      }

      if( libfsntfs_volume_information_values_read_from_mft_attribute(

           (libfsntfs_volume_information_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read volume information values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_VOLUME_NAME:

      internal_attribute->free_value = (int (*)(intptr_t **, libcerror_error_t **)) &libfsntfs_volume_name_values_free;

      if( libfsntfs_volume_name_values_initialize(

           (libfsntfs_volume_name_values_t **) &( internal_attribute->value ),

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

         "%s: unable to create volume name values.",

         function );

        goto on_error;

      }

      if( libfsntfs_volume_name_values_read_from_mft_attribute(

           (libfsntfs_volume_name_values_t *) internal_attribute->value,

           internal_attribute->mft_attribute,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_READ_FAILED,

         "%s: unable to read volume name values.",

         function );

        goto on_error;

      }

      break;

    case LIBFSNTFS_ATTRIBUTE_TYPE_INDEX_ALLOCATION:

    case LIBFSNTFS_ATTRIBUTE_TYPE_INDEX_ROOT:

    default:

      break;

  }

  return( 1 );

on_error:

  if( ( internal_attribute->value != NULL )

   && ( internal_attribute->free_value != NULL ) )

  {

    internal_attribute->free_value(

     &( internal_attribute->value ),

     NULL );

  }

  return( -1 );

}

/* Retrieves the type

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_internal_attribute_get_type(

     libfsntfs_internal_attribute_t *internal_attribute,

     uint32_t *type,

     libcerror_error_t **error )

{

  static char *function = "libfsntfs_internal_attribute_get_type";

  if( internal_attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  if( libfsntfs_mft_attribute_get_type(

       internal_attribute->mft_attribute,

       type,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve type from MFT attribute.",

     function );

    return( -1 );

  }

  return( 1 );

}

/* Retrieves the type

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_attribute_get_type(

     libfsntfs_attribute_t *attribute,

     uint32_t *type,

     libcerror_error_t **error )

{

  libfsntfs_internal_attribute_t *internal_attribute = NULL;

  static char *function                              = "libfsntfs_attribute_get_type";

  int result                                         = 1;

  if( attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  internal_attribute = (libfsntfs_internal_attribute_t *) attribute;

#if defined( HAVE_LIBFSNTFS_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_attribute->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  if( libfsntfs_internal_attribute_get_type(

       internal_attribute,

       type,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve type.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBFSNTFS_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_attribute->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the data flags

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_attribute_get_data_flags(

     libfsntfs_attribute_t *attribute,

     uint16_t *data_flags,

     libcerror_error_t **error )

{

  libfsntfs_internal_attribute_t *internal_attribute = NULL;

  static char *function                              = "libfsntfs_attribute_get_data_flags";

  uint16_t safe_data_flags                           = 0;

  int result                                         = 1;

  if( attribute == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid attribute.",

     function );

    return( -1 );

  }

  internal_attribute = (libfsntfs_internal_attribute_t *) attribute;

  if( data_flags == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid data flags.",

     function );

    return( -1 );

  }

#if defined( HAVE_LIBFSNTFS_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_attribute->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  if( internal_attribute->mft_attribute != NULL )

  {

    if( libfsntfs_mft_attribute_get_data_flags(

         internal_attribute->mft_attribute,

         &safe_data_flags,

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_GET_FAILED,

       "%s: unable to retrieve data flags from MFT attribute.",

       function );

      result = -1;

    }

  }

#if defined( HAVE_LIBFSNTFS_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_attribute->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  if( result == 1 )

  {

    *data_flags = safe_data_flags;

  }

  return( result );

}

/* Retrieves the value

 * Returns 1 if successful or -1 on error

 */

int libfsntfs_internal_attribute_get_value(

     libfsntfs_internal_attribute_t *internal_attribute,

     intptr_t **value,

     libcerror_error_t **error )

{

  static char *function = "libfsntfs_internal_attribute_get_value";

  if( internal_attribute == NULL )

  {