private static void Main(string[] args)
{
Console.WriteLine("Listening on local port 5900.");
Console.WriteLine("Try to connect! The password is: {0}", password);
// Wait for a connection.
var listener = new TcpListener(IPAddress.Loopback, 5900);
listener.Start();
var client = listener.AcceptTcpClient();
// Set up a framebuffer and options.
var options = new VncServerSessionOptions();
options.AuthenticationMethod = AuthenticationMethod.Password;
// Create a session.
session = new VncServerSession(
new VncPasswordChallenge(),
new ConsoleLogger());
session.Connected += HandleConnected;
session.ConnectionFailed += HandleConnectionFailed;
session.Closed += HandleClosed;
session.PasswordProvided += HandlePasswordProvided;
session.SetFramebufferSource(new DummyFramebufferSource());
session.Connect(client.GetStream(), options);
// Let's go.
Console.WriteLine("Hit ENTER to exit");
Console.ReadLine();
}
public static int StartWithHeadlessVncPlatform <T>(
this T builder,
string host, int port,
string[] args, ShutdownMode shutdownMode = ShutdownMode.OnLastWindowClose)
where T : AppBuilderBase <T>, new()
{
var tcpServer = new TcpListener(host == null ? IPAddress.Loopback : IPAddress.Parse(host), port);
tcpServer.Start();
return(builder
.UseHeadless(false)
.AfterSetup(_ =>
{
var lt = ((IClassicDesktopStyleApplicationLifetime)builder.Instance.ApplicationLifetime);
lt.Startup += async delegate
{
while (true)
{
var client = await tcpServer.AcceptTcpClientAsync();
var options = new VncServerSessionOptions
{
AuthenticationMethod = AuthenticationMethod.None
};
var session = new VncServerSession();
session.SetFramebufferSource(new HeadlessVncFramebufferSource(
session, lt.MainWindow));
session.Connect(client.GetStream(), options);
}
};
})
.StartWithClassicDesktopLifetime(args, shutdownMode));
}
static void Main(string[] args)
{
Console.WriteLine("Listening on local port 5900.");
Console.WriteLine("Try to connect! The password is: {0}", Password);
// Wait for a connection.
var listener = new TcpListener(IPAddress.Any, 5900);
listener.Start();
var client = listener.AcceptTcpClient();
// Set up a framebuffer and options.
var options = new VncServerSessionOptions {
AuthenticationMethod = AuthenticationMethod.Password
};
// Create a session.
Session = new VncServerSession();
Session.Connected += HandleConnected;
Session.ConnectionFailed += HandleConnectionFailed;
Session.Closed += HandleClosed;
Session.PasswordProvided += HandlePasswordProvided;
Session.SetFramebufferSource(new VncScreenFramebufferSource("Hello World", Screen.PrimaryScreen));
Session.Connect(client.GetStream(), options);
// Let's go.
Application.Run();
}
public void NegotiateSecurityInvalidMethodTest()
{
using (var stream = new TestStream())
{
// Have the client send authentication method 'None', while we only accept 'Password'
VncStream clientStream = new VncStream(stream.Input);
clientStream.SendByte((byte)AuthenticationMethod.None);
stream.Input.Position = 0;
var session = new VncServerSession();
session.Connect(stream, null, startThread: false);
Assert.False(session.NegotiateSecurity(new AuthenticationMethod[] { AuthenticationMethod.Password }));
VncStream serverStream = new VncStream(stream.Output);
stream.Output.Position = 0;
// Server will have offered 1 authentication method, and disconnected when the client
// accepted an invalid authentication method.
Assert.Equal(1, serverStream.ReceiveByte()); // 1 authentication method offered
Assert.Equal((byte)AuthenticationMethod.Password, serverStream.ReceiveByte()); // The authentication method offered
Assert.Equal(1u, serverStream.ReceiveUInt32BE()); // authentication failed
Assert.Equal("Invalid authentication method.", serverStream.ReceiveString()); // error message
}
}
public void NegotiateSecurityIncorrectPasswordTest()
{
using (var stream = new TestStream())
{
// Have the client send authentication method 'Password', which is what the server expects
VncStream clientStream = new VncStream(stream.Input);
clientStream.SendByte((byte)AuthenticationMethod.Password);
clientStream.Send(new byte[16]); // An empty response
stream.Input.Position = 0;
var session = new VncServerSession();
session.Connect(stream, null, startThread: false);
Assert.False(session.NegotiateSecurity(new AuthenticationMethod[] { AuthenticationMethod.Password }));
VncStream serverStream = new VncStream(stream.Output);
stream.Output.Position = 0;
// Server will have offered 1 authentication method, and failed to authenticate
// the client
Assert.Equal(1, serverStream.ReceiveByte()); // 1 authentication method offered
Assert.Equal((byte)AuthenticationMethod.Password, serverStream.ReceiveByte()); // The authentication method offered
Assert.NotEqual(0u, serverStream.ReceiveUInt32BE()); // Challenge, part 1
Assert.NotEqual(0u, serverStream.ReceiveUInt32BE()); // Challenge, part 2
Assert.NotEqual(0u, serverStream.ReceiveUInt32BE()); // Challenge, part 3
Assert.NotEqual(0u, serverStream.ReceiveUInt32BE()); // Challenge, part 4
Assert.Equal(1u, serverStream.ReceiveUInt32BE()); // Authentication failed
Assert.Equal("Failed to authenticate", serverStream.ReceiveString()); // Error message
Assert.Equal(stream.Output.Length, stream.Output.Position);
Assert.Equal(stream.Input.Length, stream.Input.Position);
}
}
public void HandleSetEncodingsTest(bool forceConnect, VncEncoding expectedEncoding)
{
using (var stream = new TestStream())
{
// Have the client send a list of supported encodings, including
// Raw and zlib
VncStream clientStream = new VncStream(stream.Input);
clientStream.SendByte(0);
clientStream.SendUInt16BE(2); // 2 encodings are supported
clientStream.SendUInt32BE((uint)VncEncoding.Raw);
clientStream.SendUInt32BE((uint)VncEncoding.Zlib);
stream.Input.Position = 0;
var session = new VncServerSession();
session.Connect(stream, null, startThread: false, forceConnected: forceConnect);
session.HandleSetEncodings();
// The server should not have written any output, but switched
// to zlib encoding
VncStream serverStream = new VncStream(stream.Output);
Assert.Equal(0, serverStream.Stream.Length);
stream.Output.Position = 0;
Assert.Equal(expectedEncoding, session.Encoder.Encoding);
}
}
private void HandleConnectionFailed(object sender, ConnectEventArgs e)
{
VncServerSession session = sender as VncServerSession;
Dictionary <string, string> connectInfo = session.UserData as Dictionary <string, string>;
OnAddLogEvent($"连接失败:{connectInfo["LoalIp"]}:{connectInfo["LocalpPort"]} X {connectInfo["RemoteIp"]}:{connectInfo["RemotePort"]}");
}
public void FramebufferSendChangesTest()
{
var session = new VncServerSession();
var framebufferSourceMock = new Mock <IVncFramebufferSource>();
var framebuffer = new VncFramebuffer("My Framebuffer", width: 0x4f4, height: 0x3c1, pixelFormat: VncPixelFormat.RGB32);
framebufferSourceMock
.Setup(f => f.Capture())
.Returns(
() =>
{
return(framebuffer);
});
session.FramebufferUpdateRequest = new FramebufferUpdateRequest(false, new VncRectangle(0, 0, 100, 100));
session.SetFramebufferSource(framebufferSourceMock.Object);
session.FramebufferSendChanges();
Assert.Equal(framebuffer, session.Framebuffer);
framebufferSourceMock = new Mock <IVncFramebufferSource>();
framebufferSourceMock
.Setup(f => f.Capture())
.Throws(new IOException());
session.FramebufferUpdateRequest = new FramebufferUpdateRequest(false, new VncRectangle(0, 0, 100, 100));
session.SetFramebufferSource(framebufferSourceMock.Object);
// should not throw and exception.
session.FramebufferSendChanges();
Assert.Equal(framebuffer, session.Framebuffer);
}
public void DefaultEncodersTest()
{
var session = new VncServerSession();
Assert.Collection(
session.Encoders,
(e) => Assert.IsType <TightEncoder>(e));
}
public static void ListenerThread()
{
while (true)
{
// Wait for a connection.
TcpClient client = listener.AcceptTcpClient(); //AcceptTcpClient 접속하는 클라이언트에 대해 TCPClient 객체 생성
// Set up a framebuffer and options.
var options = new VncServerSessionOptions();
options.AuthenticationMethod = AuthenticationMethod.Password;
// Virtual mouse
var mouse = new VncMouse();
// Virtual keyboard
var keyboard = new VncKeyboard();
// Create a session.
session = new VncServerSession();
session.LogData += HandleLogData; //로그를 저장하기위해 새로추가
session.Connected += HandleConnected;
session.ConnectionFailed += HandleConnectionFailed;
session.Closed += HandleClosed;
session.PasswordProvided += HandlePasswordProvided;
session.SetFramebufferSource(new VncScreenFramebufferSource("Hello World", Screen.PrimaryScreen));
session.PointerChanged += mouse.OnMouseUpdate;
session.KeyChanged += keyboard.OnKeyboardUpdate;
session.Connect(client.GetStream(), options);
//세션을 저장하는곳
NetWorkItem item;
item.session = session;
item.tcpClient = client;
sessionList.Add(item);
// 접속한 ip따오는
Socket c = client.Client;
IPEndPoint ip_point = (IPEndPoint)c.RemoteEndPoint; //누가요청했는지 접근할수있게 IPEndPoint속성을 이용
clientIP = ip_point.Address.ToString();
session.ip = ip_point.Address.ToString();
// MessageBox.Show(ip);
clientID = session.UserData;
session.id = clientID;
// MessageBox.Show(userID);
// Let's go.
//Application.Run();
}
}
private void ConnectService(TcpClient tcpClient)
{
try
{
string loalIp = GetLocalIpAddress();
IPEndPoint remotePoint = tcpClient.Client.RemoteEndPoint as IPEndPoint;
IPEndPoint localpPoint = tcpClient.Client.LocalEndPoint as IPEndPoint;
OnAddLogEvent($"VNC连接接入,客户端ip:{remotePoint.Address},端口:{remotePoint.Port}");
VncServerSessionOptions options = new VncServerSessionOptions();
//设置需要密码验证
options.AuthenticationMethod = AuthenticationMethod.Password;
// 创建一个会话
VncServerSession session = new VncServerSession();
session.MaxUpdateRate = 20;
session.Connected += HandleConnected;
session.ConnectionFailed += HandleConnectionFailed;
session.Closed += HandleClosed;
session.PasswordProvided += HandlePasswordProvided;
session.CreatingDesktop += Session_CreatingDesktop;
//session.FramebufferCapturing += Session_FramebufferCapturing;
session.FramebufferUpdating += Session_FramebufferUpdating;
session.KeyChanged += Session_KeyChanged;
session.PointerChanged += Session_PointerChanged;
session.RemoteClipboardChanged += Session_RemoteClipboardChanged;
//设置分享的屏幕等信息 连接名字 name
string name = loalIp + ":" + localpPoint.Port + "--" + remotePoint.Address + ":" + remotePoint.Port;
VncScreenFramebufferSource vncScreenSource = new VncScreenFramebufferSource(name, Screen.PrimaryScreen);
session.SetFramebufferSource(vncScreenSource);
Dictionary <string, string> connectInfo = new Dictionary <string, string>()
{
{ "LoalIp", loalIp },
{ "LocalpPort", localpPoint.Port.ToString() },
{ "RemoteIp", remotePoint.Address.ToString() },
{ "RemotePort", remotePoint.Port.ToString() },
};
session.UserData = connectInfo;
session.Connect(tcpClient, options);
sessionList.Add(session);
}
catch (Exception ex)
{
OnAddLogEvent($"连接出现错误，原因：{ex.Message}");
}
}
public static void Listen()
{
if (GV.IP.StartsWith("172.27"))
{
Random Rand = new Random();
TcpListener listener = null;
while (true)
{
try
{
int iPort = Rand.Next(10000, 60000);//Max 65535
listener = new TcpListener(IPAddress.Any, iPort);
listener.Start();
ExecuteQuery("UPDATE c_machines set STATUS = 'Online', SystemState = '' ,RDPPort='" + iPort + "',CMVersion = '" + GV.sSoftwareVersion + "',LastSession='" + GV.sSessionID + "',LastUpdatedDate = GETDATE(), LastLoggedProjectID='" + GV.sProjectID + "' WHERE MachineID='" + GV.sMachineID + "';");
break;
}
catch (Exception ex)
{
listener = null;
Thread.Sleep(30000);
}
}
try
{
var client = listener.AcceptTcpClient();
// Set up a framebuffer and options.
var options = new VncServerSessionOptions();
options.AuthenticationMethod = AuthenticationMethod.Password;
// Create a session.
Session = new VncServerSession();
Session.Connected += SessionConnected;
Session.ConnectionFailed += ConnectionFailed;
Session.Closed += ConnectionClosed;
Session.PasswordProvided += HandlePasswordProvided;
Session.SetFramebufferSource(new VncScreenFramebufferSource("Hello World", System.Windows.Forms.Screen.PrimaryScreen));
Session.Connect(client.GetStream(), options);
}
catch (Exception ex)
{
ExecuteQuery("UPDATE c_machines set STATUS = 'Connection Error',RDPPort='',LastUpdatedDate = GETDATE() WHERE MachineID='" + GV.sMachineID + "';");
GM.Error_Log(System.Reflection.MethodBase.GetCurrentMethod(), ex, true, false);
}
}
}
private void HandleClosed(object sender, ConnectEventArgs e)
{
Dictionary <string, dynamic> DicMsg = new Dictionary <string, dynamic>()
{
{ "LineWidth", whiteBoard.PenWidth },
{ "LineColor", new int[] { whiteBoard.PenColor.A, whiteBoard.PenColor.R, whiteBoard.PenColor.G, whiteBoard.PenColor.B } },
{ "OperateMsg", "CloseWhiteBoard" },
};
string sendStr = JsonConvert.SerializeObject(DicMsg);
Session_RemoteClipboardChanged(sender, new RemoteClipboardChangedEventArgs(sendStr));
VncServerSession session = sender as VncServerSession;
Dictionary <string, string> connectInfo = session.UserData as Dictionary <string, string>;
OnAddLogEvent($"连接关闭:{connectInfo["LoalIp"]}:{connectInfo["LocalpPort"]} X {connectInfo["RemoteIp"]}:{connectInfo["RemotePort"]}");
}
public void NegotiateSecurityNoSecurityTypesTest()
{
using (var stream = new TestStream())
{
var session = new VncServerSession();
session.Connect(stream, null, startThread: false);
Assert.False(session.NegotiateSecurity(Array.Empty <AuthenticationMethod>()));
VncStream serverStream = new VncStream(stream.Output);
stream.Output.Position = 0;
// Server should have sent a zero-length array, and a message explaining
// the disconnect reason
Assert.Equal(0, serverStream.ReceiveByte());
Assert.Equal("The server and client could not agree on any authentication method.", serverStream.ReceiveString());
}
}
public void NegotiateVersionNot38Test(string version)
{
using (var stream = new TestStream())
{
// Mimick the client negotiating RFB 3.8
VncStream clientStream = new VncStream(stream.Input);
clientStream.SendString(version);
stream.Input.Position = 0;
VncServerSession session = new VncServerSession();
session.Connect(stream, null, startThread: false);
Assert.True(session.NegotiateVersion(out AuthenticationMethod[] methods));
Assert.Empty(methods);
stream.Output.Position = 0;
Assert.Equal(Encoding.UTF8.GetBytes("RFB 003.008\n"), ((MemoryStream)stream.Output).ToArray());
}
}
public void NegotiateVersionBoth38Test(VncServerSessionOptions sessionOptions, AuthenticationMethod expectedAuthenticationMethod)
{
using (var stream = new TestStream())
{
// Mimick the client negotiating RFB 3.8
VncStream clientStream = new VncStream(stream.Input);
clientStream.SendString("RFB 003.008\n");
stream.Input.Position = 0;
VncServerSession session = new VncServerSession();
session.Connect(stream, sessionOptions, startThread: false);
Assert.True(session.NegotiateVersion(out AuthenticationMethod[] methods));
Assert.Collection(
methods,
(m) => Assert.Equal(expectedAuthenticationMethod, m));
stream.Output.Position = 0;
Assert.Equal(Encoding.UTF8.GetBytes("RFB 003.008\n"), ((MemoryStream)stream.Output).ToArray());
}
}
private void ConnectService(TcpClient tcpClient)
{
try
{
string loalIp = GetLocalIpAddress();
IPEndPoint remotePoint = tcpClient.Client.RemoteEndPoint as IPEndPoint;
Console.WriteLine($"VNC连接接入,客户端ip:{remotePoint.Address},端口:{remotePoint.Port}");
VncServerSessionOptions options = new VncServerSessionOptions();
//设置需要密码验证
options.AuthenticationMethod = AuthenticationMethod.Password;
// 创建一个会话
VncServerSession session = new VncServerSession();
session.Connected += HandleConnected;
session.ConnectionFailed += HandleConnectionFailed;
session.Closed += HandleClosed;
session.PasswordProvided += HandlePasswordProvided;
session.CreatingDesktop += Session_CreatingDesktop;
session.KeyChanged += Session_KeyChanged;
session.PointerChanged += Session_PointerChanged;
session.RemoteClipboardChanged += Session_RemoteClipboardChanged;
//设置分享的屏幕等信息 连接名字 name
string name = loalIp + ":" + this.servicePort + "--" + remotePoint.Address + ":" + remotePoint.Port;
VncScreenFramebufferSource vncScreenSource = new VncScreenFramebufferSource(name, Screen.PrimaryScreen);
session.SetFramebufferSource(vncScreenSource);
session.Connect(tcpClient, options);
sessionList.Add(session);
}
catch (Exception ex)
{
Console.WriteLine($"连接出现错误，原因：{ex.Message}");
}
}
public void NegotiateSecuritySuccessTest()
{
using (var stream = new TestStream())
{
// Have the client send authentication method 'None', which is what the server expects
VncStream clientStream = new VncStream(stream.Input);
clientStream.SendByte((byte)AuthenticationMethod.None);
stream.Input.Position = 0;
var session = new VncServerSession();
session.Connect(stream, null, startThread: false);
Assert.True(session.NegotiateSecurity(new AuthenticationMethod[] { AuthenticationMethod.None }));
VncStream serverStream = new VncStream(stream.Output);
stream.Output.Position = 0;
// Server will have offered 1 authentication method, and successfully authenticated
// the client
Assert.Equal(1, serverStream.ReceiveByte()); // 1 authentication method offered
Assert.Equal((byte)AuthenticationMethod.None, serverStream.ReceiveByte()); // The authentication method offered
Assert.Equal(0u, serverStream.ReceiveUInt32BE()); // authentication succeeded
}
}
public HeadlessVncFramebufferSource(VncServerSession session, Window window)
{
Window = (IHeadlessWindow)window.PlatformImpl;
session.PointerChanged += (_, args) =>
{
var pt = new Point(args.X, args.Y);
var buttons = (VncButton)args.PressedButtons;
int TranslateButton(VncButton vncButton) =>
vncButton == VncButton.Left ? 0 : vncButton == VncButton.Right ? 1 : 2;
var modifiers = (RawInputModifiers)(((int)buttons & 7) << 4);
Dispatcher.UIThread.Post(() =>
{
Window?.MouseMove(pt);
foreach (var btn in CheckedButtons)
{
if (_previousButtons.HasFlag(btn) && !buttons.HasFlag(btn))
{
Window?.MouseUp(pt, TranslateButton(btn), modifiers);
}
}
foreach (var btn in CheckedButtons)
{
if (!_previousButtons.HasFlag(btn) && buttons.HasFlag(btn))
{
Window?.MouseDown(pt, TranslateButton(btn), modifiers);
}
}
_previousButtons = buttons;
}, DispatcherPriority.Input);
};
}
public void SetDesktopSizeTest()
{
var framebuffer1 = new VncFramebuffer("test-1", 100, 200, VncPixelFormat.RGB32);
var framebuffer2 = new VncFramebuffer("test-2", 200, 400, VncPixelFormat.RGB32);
var framebuffer = framebuffer1;
var framebufferSourceMock = new Mock <IVncFramebufferSource>(MockBehavior.Strict);
framebufferSourceMock
.Setup(m => m.SetDesktopSize(200, 300))
.Returns(ExtendedDesktopSizeStatus.Success)
.Callback(() => { framebuffer = framebuffer2; });
framebufferSourceMock
.Setup(m => m.Capture())
.Returns(() => framebuffer);
using (var stream = new TestStream())
{
VncStream clientStream = new VncStream(stream.Input);
// Negotiating the dessktop size
clientStream.SendByte(0); // share desktop setting
// Send a SetDesktopSize request
clientStream.SendByte((byte)VncMessageType.SetDesktopSize);
clientStream.SendByte(0); // padding
clientStream.SendUInt16BE(200); // width
clientStream.SendUInt16BE(300); // height
clientStream.SendByte(1); // number of screens
clientStream.SendByte(0); // padding
clientStream.SendUInt32BE(1); // screen id
clientStream.SendUInt16BE(0); // x position
clientStream.SendUInt16BE(0); // x position
clientStream.SendUInt16BE(200); // width
clientStream.SendUInt16BE(300); // height
clientStream.SendUInt32BE(0); // flags
stream.Input.Position = 0;
var session = new VncServerSession();
session.SetFramebufferSource(framebufferSourceMock.Object);
session.Connect(stream, null, startThread: false);
// Negotiate the desktop
session.NegotiateDesktop();
Assert.Equal(VncPixelFormat.RGB32, session.ClientPixelFormat);
// Handle the SetDesktopSize request
session.HandleMessage();
VncStream serverStream = new VncStream(stream.Output);
stream.Output.Position = 0;
// Desktop negotiation result
Assert.Equal(100, serverStream.ReceiveUInt16BE());
Assert.Equal(200, serverStream.ReceiveUInt16BE());
var format = serverStream.Receive(16);
Assert.Equal("test-1", serverStream.ReceiveString());
// SetDesktopSize result
Assert.Equal(0, serverStream.ReceiveUInt16BE()); // Update rectangle request
Assert.Equal(1, serverStream.ReceiveUInt16BE()); // 1 rectangle;
Assert.Equal((ushort)ExtendedDesktopSizeReason.Client, serverStream.ReceiveUInt16BE()); // x
Assert.Equal((ushort)ExtendedDesktopSizeStatus.Success, serverStream.ReceiveUInt16BE()); // y
Assert.Equal(100, serverStream.ReceiveUInt16BE()); // width
Assert.Equal(200, serverStream.ReceiveUInt16BE()); // height
Assert.Equal((int)VncEncoding.ExtendedDesktopSize, (int)serverStream.ReceiveUInt32BE()); // encoding
Assert.Equal(1u, serverStream.ReceiveByte()); // Number of screens
serverStream.Receive(3); // Padding
Assert.Equal(0u, serverStream.ReceiveUInt32BE()); // screen ID
Assert.Equal(0u, serverStream.ReceiveUInt16BE()); // x-position
Assert.Equal(0u, serverStream.ReceiveUInt16BE()); // y-position
Assert.Equal(100u, serverStream.ReceiveUInt16BE()); // width
Assert.Equal(200u, serverStream.ReceiveUInt16BE()); // height
Assert.Equal(0u, serverStream.ReceiveUInt32BE()); // flags
Assert.Equal(stream.Output.Length, stream.Output.Position);
Assert.Equal(stream.Input.Length, stream.Input.Position);
}
}
public void FramebufferManualInvalidateNullTest()
{
var session = new VncServerSession();
Assert.Throws <ArgumentNullException>(() => session.FramebufferManualInvalidate(null));
}
public void SendLocalClipboardChangeNullTest()
{
var session = new VncServerSession();
Assert.Throws <ArgumentNullException>(() => session.SendLocalClipboardChange(null));
}
public void ConnectNullTest()
{
var session = new VncServerSession();
Assert.Throws <ArgumentNullException>(() => session.Connect(null, null));
}
static void ConnectionClosed(object sender, EventArgs e)
{
//Thread.Sleep(60000);
Session = null;
Listen();
}
