コード例 #1
0
        public async Task <DnsMessage> ResolveTlsAsync(IPEndPoint serverEndpoint, string serverCN, DnsMessage message, CancellationToken stoppingToken)
        {
            using (var server = new TcpClient())
            {
                server.NoDelay = true;
                await server.ConnectAsync(serverEndpoint.Address, serverEndpoint.Port);

                using (SslStream serverStream = new SslStream(
                           server.GetStream(),
                           false,
                           new RemoteCertificateValidationCallback(new SslStreamHelper(_logger).ValidateServerCertificate)))
                {
                    await serverStream.AuthenticateAsClientAsync(serverCN);

                    _logger.LogDebug($"Established {serverEndpoint}");

                    await SendTcpAsync(serverStream, message, stoppingToken);

                    return(await ReadTcpAsync(serverStream, stoppingToken));
                }
            }
        }
コード例 #2
0
        public async Task SendTcpAsync(Stream stream, DnsMessage message, CancellationToken stoppingToken)
        {
            await stream.WriteAsync(message.Length, 0, message.Length.Length, stoppingToken);

            await stream.WriteAsync(message.Data, 0, message.Data.Length, stoppingToken);
        }