private void HandleAuthChange(MySqlPacket packet)
{
byte b = packet.ReadByte();
Debug.Assert(b == 0xfe);
string method = packet.ReadString();
byte[] authData = new byte[packet.Length - packet.Position];
Array.Copy(packet.Buffer, packet.Position, authData, 0, authData.Length);
MySqlAuthenticationPlugin plugin = MySqlAuthenticationPlugin.GetPlugin(method, driver, authData);
plugin.AuthenticationChange();
}
private static MySqlAuthenticationPlugin CreatePlugin(string method)
{
PluginInfo pi = plugins[method];
try
{
Type t = Type.GetType(pi.Type);
MySqlAuthenticationPlugin o = (MySqlAuthenticationPlugin)Activator.CreateInstance(t);
return(o);
}
catch (Exception e)
{
throw new MySqlException(String.Format(Resources.UnableToCreateAuthPlugin, method), e);
}
}
/// <summary>
/// This is a factory method that is used only internally. It creates an auth plugin based on the method type
/// </summary>
/// <param name="method"></param>
/// <param name="flags"></param>
/// <param name="settings"></param>
/// <returns></returns>
internal static MySqlAuthenticationPlugin GetPlugin(string method, NativeDriver driver, byte[] authData)
{
if (method == "mysql_old_password")
{
driver.Close(true);
throw new MySqlException(Resources.OldPasswordsNotSupported);
}
MySqlAuthenticationPlugin plugin = AuthenticationPluginManager.GetPlugin(method);
if (plugin == null)
{
throw new MySqlException(String.Format(Resources.UnknownAuthenticationMethod, method));
}
plugin.driver = driver;
plugin.SetAuthData(authData);
return(plugin);
}