/*

 * Windows NT Security Identifier (SID) functions

 *

 * Copyright (C) 2009-2024, Joachim Metz <joachim.metz@gmail.com>

 *

 * Refer to AUTHORS for acknowledgements.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 */

#include <common.h>

#include <byte_stream.h>

#include <memory.h>

#include <types.h>

#include "libfwnt_definitions.h"

#include "libfwnt_libcerror.h"

#include "libfwnt_security_identifier.h"

#include "libfwnt_types.h"

/* Creates a security identifier

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

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_initialize(

     libfwnt_security_identifier_t **security_identifier,

     libcerror_error_t **error )

{

  libfwnt_internal_security_identifier_t *internal_security_identifier = NULL;

  static char *function                                                = "libfwnt_security_identifier_initialize";

  if( security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  if( *security_identifier != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid security identifier value already set.",

     function );

    return( -1 );

  }

  internal_security_identifier = memory_allocate_structure(

                                  libfwnt_internal_security_identifier_t );

  if( internal_security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create security identifier.",

     function );

    goto on_error;

  }

  if( memory_set(

       internal_security_identifier,

       0,

       sizeof( libfwnt_internal_security_identifier_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear security identifier.",

     function );

    goto on_error;

  }

  *security_identifier = (libfwnt_security_identifier_t *) internal_security_identifier;

  return( 1 );

on_error:

  if( internal_security_identifier != NULL )

  {

    memory_free(

     internal_security_identifier );

  }

  return( -1 );

}

/* Frees a security identifier

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_free(

     libfwnt_security_identifier_t **security_identifier,

     libcerror_error_t **error )

{

  libfwnt_internal_security_identifier_t *internal_security_identifier = NULL;

  static char *function                                                = "libfwnt_security_identifier_free";

  int result                                                           = 1;

  if( security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  if( *security_identifier != NULL )

  {

    internal_security_identifier = (libfwnt_internal_security_identifier_t *) *security_identifier;

    if( internal_security_identifier->is_managed == 0 )

    {

      if( libfwnt_internal_security_identifier_free(

           &internal_security_identifier,

           error ) != 1 )

      {

        libcerror_error_set(

         error,

         LIBCERROR_ERROR_DOMAIN_RUNTIME,

         LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

         "%s: unable to free security identifier.",

         function );

        result = -1;

      }

    }

    *security_identifier = NULL;

  }

  return( result );

}

/* Frees a security identifier

 * Returns 1 if successful or -1 on error

 */

int libfwnt_internal_security_identifier_free(

     libfwnt_internal_security_identifier_t **internal_security_identifier,

     libcerror_error_t **error )

{

  static char *function = "libfwnt_internal_security_identifier_free";

  if( internal_security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  if( *internal_security_identifier != NULL )

  {

    memory_free(

     *internal_security_identifier );

    *internal_security_identifier = NULL;

  }

  return( 1 );

}

/* Converts a security identifier stored in a byte stream into a runtime version

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_copy_from_byte_stream(

     libfwnt_security_identifier_t *security_identifier,

     const uint8_t *byte_stream,

     size_t byte_stream_size,

     int byte_order,

     libcerror_error_t **error )

{

  libfwnt_internal_security_identifier_t *internal_security_identifier = NULL;

  static char *function                                                = "libfwnt_security_identifier_copy_from_byte_stream";

  size_t security_identifier_size                                      = 0;

  uint8_t sub_authority_index                                          = 0;

  if( security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  internal_security_identifier = (libfwnt_internal_security_identifier_t *) security_identifier;

  if( byte_stream == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid byte stream.",

     function );

    return( -1 );

  }

  if( byte_stream_size < 8 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: byte stream too small.",

     function );

    return( -1 );

  }

  if( byte_stream_size > (size_t) SSIZE_MAX )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

     "%s: byte stream size exceeds maximum.",

     function );

    return( -1 );

  }

  if( byte_order != LIBFWNT_ENDIAN_LITTLE )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported byte order.",

     function );

    return( -1 );

  }

  internal_security_identifier->revision_number           = byte_stream[ 0 ];

  internal_security_identifier->number_of_sub_authorities = byte_stream[ 1 ];

  if( internal_security_identifier->number_of_sub_authorities > 15 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported security identifier contains more than 15 sub authoritites.",

     function );

    return( -1 );

  }

  security_identifier_size = 8 + ( (size_t) internal_security_identifier->number_of_sub_authorities * 4 );

  if( (size_t) security_identifier_size > byte_stream_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: byte stream too small.",

     function );

    return( -1 );

  }

  byte_stream += 2;

  /* The authority is stored as a 48-bit value

   */

  byte_stream_copy_to_uint48_big_endian(

   byte_stream,

   internal_security_identifier->authority );

  byte_stream += 6;

  for( sub_authority_index = 0;

       sub_authority_index < internal_security_identifier->number_of_sub_authorities;

       sub_authority_index++ )

  {

    byte_stream_copy_to_uint32_little_endian(

     byte_stream,

     internal_security_identifier->sub_authority[ sub_authority_index ] );

    byte_stream += 4;

  }

  return( 1 );

}

/* Deterimes the size of the string for the security identifier

 * The string size includes the end of string character

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_get_string_size(

     libfwnt_security_identifier_t *security_identifier,

     size_t *string_size,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  libfwnt_internal_security_identifier_t *internal_security_identifier = NULL;

  static char *function                                                = "libfwnt_security_identifier_get_string_size";

  size_t value_string_index                                            = 0;

  uint64_t value_64bit                                                 = 0;

  uint8_t sub_authority_index                                          = 0;

  if( security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  internal_security_identifier = (libfwnt_internal_security_identifier_t *) security_identifier;

  if( string_size == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid string size.",

     function );

    return( -1 );

  }

  if( string_format_flags != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags.",

     function );

    return( -1 );

  }

  value_string_index = 2;

  value_64bit = internal_security_identifier->revision_number;

  do

  {

    value_string_index++;

    value_64bit /= 10;

  }

  while( value_64bit > 0 );

  value_string_index++;

  value_64bit = internal_security_identifier->authority;

  do

  {

    value_string_index++;

    value_64bit /= 10;

  }

  while( value_64bit > 0 );

  for( sub_authority_index = 0;

       sub_authority_index < internal_security_identifier->number_of_sub_authorities;

       sub_authority_index++ )

  {

    value_string_index++;

    value_64bit = internal_security_identifier->sub_authority[ sub_authority_index ];

    do

    {

      value_string_index++;

      value_64bit /= 10;

    }

    while( value_64bit > 0 );

  }

  value_string_index++;

  *string_size = value_string_index;

  return( 1 );

}

/* Converts the security identifier into an UTF-8 string

 * The string size should include the end of string character

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_copy_to_utf8_string(

     libfwnt_security_identifier_t *security_identifier,

     uint8_t *utf8_string,

     size_t utf8_string_size,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  static char *function    = "libfwnt_security_identifier_copy_to_utf8_string";

  size_t utf8_string_index = 0;

  if( libfwnt_security_identifier_copy_to_utf8_string_with_index(

       security_identifier,

       utf8_string,

       utf8_string_size,

       &utf8_string_index,

       string_format_flags,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,

     "%s: unable to copy security identifier to UTF-8 string.",

     function );

    return( -1 );

  }

  return( 1 );

}

/* Converts the security identifier into an UTF-8 string

 * The string size should include the end of string character

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_copy_to_utf8_string_with_index(

     libfwnt_security_identifier_t *security_identifier,

     uint8_t *utf8_string,

     size_t utf8_string_size,

     size_t *utf8_string_index,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  libfwnt_internal_security_identifier_t *internal_security_identifier = NULL;

  static char *function                                                = "libfwnt_security_identifier_copy_to_utf8_string";

  size_t string_index                                                  = 0;

  size_t value_string_index                                            = 0;

  size_t value_string_length                                           = 0;

  uint64_t value_64bit                                                 = 0;

  uint8_t sub_authority_index                                          = 0;

  if( security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  internal_security_identifier = (libfwnt_internal_security_identifier_t *) security_identifier;

  if( utf8_string == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-8 size.",

     function );

    return( -1 );

  }

  if( utf8_string_size > (size_t) SSIZE_MAX )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

     "%s: UTF-8 string size exceeds maximum.",

     function );

    return( -1 );

  }

  if( utf8_string_index == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-8 string index.",

     function );

    return( -1 );

  }

  if( string_format_flags != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags.",

     function );

    return( -1 );

  }

  string_index = *utf8_string_index;

  if( ( string_index + 2 ) >= utf8_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-8 string is too small.",

     function );

    return( -1 );

  }

  utf8_string[ string_index++ ] = (uint8_t) 'S';

  utf8_string[ string_index++ ] = (uint8_t) '-';

  value_64bit         = internal_security_identifier->revision_number;

  value_string_length = 0;

  do

  {

    value_string_length++;

    value_64bit /= 10;

  }

  while( value_64bit > 0 );

  if( ( string_index + value_string_length + 1 ) >= utf8_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-8 string is too small.",

     function );

    return( -1 );

  }

  value_64bit        = internal_security_identifier->revision_number;

  value_string_index = value_string_length;

  while( value_string_index > 0 )

  {

    value_string_index--;

    utf8_string[ string_index + value_string_index ] = (uint8_t) '0' + (uint8_t) ( value_64bit % 10 );

    value_64bit /= 10;

  }

  string_index += value_string_length;

  utf8_string[ string_index++ ] = (uint8_t) '-';

  value_64bit         = internal_security_identifier->authority;

  value_string_length = 0;

  do

  {

    value_string_length++;

    value_64bit /= 10;

  }

  while( value_64bit > 0 );

  if( ( string_index + value_string_length ) >= utf8_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-8 string is too small.",

     function );

    return( -1 );

  }

  value_64bit        = internal_security_identifier->authority;

  value_string_index = value_string_length;

  while( value_string_index > 0 )

  {

    value_string_index--;

    utf8_string[ string_index + value_string_index ] = (uint8_t) '0' + (uint8_t) ( value_64bit % 10 );

    value_64bit /= 10;

  }

  string_index += value_string_length;

  for( sub_authority_index = 0;

       sub_authority_index < internal_security_identifier->number_of_sub_authorities;

       sub_authority_index++ )

  {

    value_64bit         = internal_security_identifier->sub_authority[ sub_authority_index ];

    value_string_length = 0;

    do

    {

      value_string_length++;

      value_64bit /= 10;

    }

    while( value_64bit > 0 );

    if( ( string_index + value_string_length + 1 ) >= utf8_string_size )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

       "%s: UTF-8 string is too small.",

       function );

      return( -1 );

    }

    utf8_string[ string_index++ ] = (uint8_t) '-';

    value_64bit        = internal_security_identifier->sub_authority[ sub_authority_index ];

    value_string_index = value_string_length;

    while( value_string_index > 0 )

    {

      value_string_index--;

      utf8_string[ string_index + value_string_index ] = (uint8_t) '0' + (uint8_t) ( value_64bit % 10 );

      value_64bit /= 10;

    }

    string_index += value_string_length;

  }

  if( string_index >= utf8_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-8 string is too small.",

     function );

    return( -1 );

  }

  utf8_string[ string_index++ ] = 0;

  *utf8_string_index = string_index;

  return( 1 );

}

/* Converts the security identifier into an UTF-16 string

 * The string size should include the end of string character

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_copy_to_utf16_string(

     libfwnt_security_identifier_t *security_identifier,

     uint16_t *utf16_string,

     size_t utf16_string_size,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  static char *function    = "libfwnt_security_identifier_copy_to_utf16_string";

  size_t utf16_string_index = 0;

  if( libfwnt_security_identifier_copy_to_utf16_string_with_index(

       security_identifier,

       utf16_string,

       utf16_string_size,

       &utf16_string_index,

       string_format_flags,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,

     "%s: unable to copy security identifier to UTF-16 string.",

     function );

    return( -1 );

  }

  return( 1 );

}

/* Converts the security identifier into an UTF-16 string

 * The string size should include the end of string character

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_copy_to_utf16_string_with_index(

     libfwnt_security_identifier_t *security_identifier,

     uint16_t *utf16_string,

     size_t utf16_string_size,

     size_t *utf16_string_index,

     uint32_t string_format_flags,

     libcerror_error_t **error )

{

  libfwnt_internal_security_identifier_t *internal_security_identifier = NULL;

  static char *function                                                = "libfwnt_security_identifier_copy_to_utf16_string";

  size_t string_index                                                  = 0;

  size_t value_string_index                                            = 0;

  size_t value_string_length                                           = 0;

  uint64_t value_64bit                                                 = 0;

  uint8_t sub_authority_index                                          = 0;

  if( security_identifier == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid security identifier.",

     function );

    return( -1 );

  }

  internal_security_identifier = (libfwnt_internal_security_identifier_t *) security_identifier;

  if( utf16_string == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-16 string.",

     function );

    return( -1 );

  }

  if( utf16_string_size > (size_t) SSIZE_MAX )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,

     "%s: UTF-16 string size exceeds maximum.",

     function );

    return( -1 );

  }

  if( utf16_string_index == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid UTF-16 string index.",

     function );

    return( -1 );

  }

  if( string_format_flags != 0 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,

     "%s: unsupported string format flags.",

     function );

    return( -1 );

  }

  string_index = *utf16_string_index;

  if( ( string_index + 2 ) >= utf16_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-16 string is too small.",

     function );

    return( -1 );

  }

  utf16_string[ string_index++ ] = (uint16_t) 'S';

  utf16_string[ string_index++ ] = (uint16_t) '-';

  value_64bit         = internal_security_identifier->revision_number;

  value_string_length = 0;

  do

  {

    value_string_length++;

    value_64bit /= 10;

  }

  while( value_64bit > 0 );

  if( ( string_index + value_string_length + 1 ) >= utf16_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-16 string is too small.",

     function );

    return( -1 );

  }

  value_64bit        = internal_security_identifier->revision_number;

  value_string_index = value_string_length;

  while( value_string_index > 0 )

  {

    value_string_index--;

    utf16_string[ string_index + value_string_index ] = (uint16_t) '0' + (uint16_t) ( value_64bit % 10 );

    value_64bit /= 10;

  }

  string_index += value_string_length;

  utf16_string[ string_index++ ] = (uint16_t) '-';

  value_64bit         = internal_security_identifier->authority;

  value_string_length = 0;

  do

  {

    value_string_length++;

    value_64bit /= 10;

  }

  while( value_64bit > 0 );

  if( ( string_index + value_string_length ) >= utf16_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-16 string is too small.",

     function );

    return( -1 );

  }

  value_64bit        = internal_security_identifier->authority;

  value_string_index = value_string_length;

  while( value_string_index > 0 )

  {

    value_string_index--;

    utf16_string[ string_index + value_string_index ] = (uint16_t) '0' + (uint16_t) ( value_64bit % 10 );

    value_64bit /= 10;

  }

  string_index += value_string_length;

  for( sub_authority_index = 0;

       sub_authority_index < internal_security_identifier->number_of_sub_authorities;

       sub_authority_index++ )

  {

    value_64bit         = internal_security_identifier->sub_authority[ sub_authority_index ];

    value_string_length = 0;

    do

    {

      value_64bit /= 10;

      value_string_length++;

    }

    while( value_64bit > 0 );

    if( ( string_index + value_string_length + 1 ) >= utf16_string_size )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

       LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

       "%s: UTF-16 string is too small.",

       function );

      return( -1 );

    }

    utf16_string[ string_index++ ] = (uint16_t) '-';

    value_64bit        = internal_security_identifier->sub_authority[ sub_authority_index ];

    value_string_index = value_string_length;

    while( value_string_index > 0 )

    {

      value_string_index--;

      utf16_string[ string_index + value_string_index ] = (uint16_t) '0' + (uint16_t) ( value_64bit % 10 );

      value_64bit /= 10;

    }

    string_index += value_string_length;

  }

  if( string_index >= utf16_string_size )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,

     "%s: UTF-16 string is too small.",

     function );

    return( -1 );

  }

  utf16_string[ string_index++ ] = 0;

  *utf16_string_index = string_index;

  return( 1 );

}

/* Converts the security identifier into an UTF-32 string

 * The string size should include the end of string character

 * Returns 1 if successful or -1 on error

 */

int libfwnt_security_identifier_copy_to_utf32_string(

     libfwnt_security_identifier_t *security_identifier,