Old password plugin can accept '\0' value

elemount · elemount · commit 5f6f111928af · 2017-06-21T08:58:39.000Z
diff --git a/pymysql/connections.py b/pymysql/connections.py
@@ -1186,7 +1186,7 @@ def _process_auth(self, plugin_name, auth_packet):
             data = _scramble(self.password.encode('latin1'), auth_packet.read_all())
         elif plugin_name == b"mysql_old_password":
             # https://dev.mysql.com/doc/internals/en/old-password-authentication.html
-            data = _scramble_323(self.password.encode('latin1'), auth_packet.read_all())
+            data = _scramble_323(self.password.encode('latin1'), auth_packet.read_all()) + b'\0'
         elif plugin_name == b"mysql_clear_password":
             # https://dev.mysql.com/doc/internals/en/clear-text-authentication.html
             data = self.password.encode('latin1') + b'\0'
