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hc_python
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lib64
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python3.8
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mysqlx
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authentication.py
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# MySQL Connector/Python - MySQL driver written in Python. # Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. # MySQL Connector/Python is licensed under the terms of the GPLv2 # <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most # MySQL Connectors. There are special exceptions to the terms and # conditions of the GPLv2 as it is applied to this software, see the # FOSS License Exception # <http://www.mysql.com/about/legal/licensing/foss-exception.html>. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation. # # 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 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 """Implementation of MySQL Authentication Plugin.""" import hashlib import struct from .compat import PY3, UNICODE_TYPES, hexlify class MySQL41AuthPlugin(object): def __init__(self, username, password): self._username = username self._password = password.encode("utf-8") \ if isinstance(password, UNICODE_TYPES) else password def name(self): return "MySQL 4.1 Authentication Plugin" def auth_name(self): return "MYSQL41" def xor_string(self, hash1, hash2): """Encrypt/Decrypt function used for password encryption in authentication, using a simple XOR. """ if PY3: xored = [h1 ^ h2 for (h1, h2) in zip(hash1, hash2)] else: xored = [ord(h1) ^ ord(h2) for (h1, h2) in zip(hash1, hash2)] return struct.pack("20B", *xored) def build_authentication_response(self, data): """Hashing for MySQL 4.1 authentication """ if self._password: h1 = hashlib.sha1(self._password).digest() h2 = hashlib.sha1(h1).digest() auth_response = self.xor_string( h1, hashlib.sha1(data + h2).digest()) return "{0}\0{1}\0*{2}\0".format("", self._username, hexlify(auth_response)) else: return "{0}\0{1}\0".format("", self._username)