/*
 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2.0,
 * as published by the Free Software Foundation.
 *
 * This program is also distributed with certain software (including
 * but not limited to OpenSSL) that is licensed under separate terms,
 * as designated in a particular file or component or in included license
 * documentation.  The authors of MySQL hereby grant you an additional
 * permission to link the program and your derivative works with the
 * separately licensed software that they have included with MySQL.
 *
 * 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, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 */

#include "../global_defines.h"
#ifdef MYSQL8
#include "my_inttypes.h"
#else
#include "my_global.h"
#endif
#include "mysql_com.h"
#include "password.h"

#include "native_verification.h"

namespace polarx_rpc {

bool Native_verification::verify_authentication_string(
    const std::string &user, const std::string &host,
    const std::string &client_string, const std::string &db_string) const {
  if (client_string.empty())
    return db_string.empty();

  if (db_string.empty())
    return false;

  uint8 db_hash[SCRAMBLE_LENGTH + 1] = {0};
  uint8 user_hash[SCRAMBLE_LENGTH + 1] = {0};
  ::get_salt_from_password(db_hash, db_string.c_str());
  ::get_salt_from_password(user_hash, client_string.c_str());
  return 0 ==
         ::check_scramble((const uchar *)user_hash, k_salt.c_str(), db_hash);
}

} // namespace polarx_rpc