/*

 * Password keep functions

 *

 * Copyright (C) 2011-2023, 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 <byte_stream.h>

#include <memory.h>

#include <types.h>

#include "libbde_libcerror.h"

#include "libbde_password_keep.h"

/* Creates a password keep

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

 * Returns 1 if successful or -1 on error

 */

int libbde_password_keep_initialize(

     libbde_password_keep_t **password_keep,

     libcerror_error_t **error )

{

  static char *function = "libbde_password_keep_initialize";

  if( password_keep == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid pasword keep.",

     function );

    return( -1 );

  }

  if( *password_keep != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid pasword keep value already set.",

     function );

    return( -1 );

  }

  *password_keep = memory_allocate_structure(

                    libbde_password_keep_t );

  if( *password_keep == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create pasword keep.",

     function );

    goto on_error;

  }

  if( memory_set(

       *password_keep,

       0,

       sizeof( libbde_password_keep_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear pasword keep.",

     function );

    memory_free(

     *password_keep );

    *password_keep = NULL;

    return( -1 );

  }

  return( 1 );

on_error:

  if( *password_keep != NULL )

  {

    memory_free(

     *password_keep );

    *password_keep = NULL;

  }

  return( -1 );

}

/* Frees a password keep

 * Returns 1 if successful or -1 on error

 */

int libbde_password_keep_free(

     libbde_password_keep_t **password_keep,

     libcerror_error_t **error )

{

  static char *function = "libbde_password_keep_free";

  int result            = 1;

  if( password_keep == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid pasword keep.",

     function );

    return( -1 );

  }

  if( *password_keep != NULL )

  {

    if( memory_set(

         *password_keep,

         0,

         sizeof( libbde_password_keep_t ) ) == NULL )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_MEMORY,

       LIBCERROR_MEMORY_ERROR_SET_FAILED,

       "%s: unable to clear password keep.",

       function );

      result = -1;

    }

    memory_free(

     *password_keep );

    *password_keep = NULL;

  }

  return( result );

}