mirror of
https://github.com/mRemoteNG/mRemoteNG.git
synced 2026-02-17 14:07:46 +08:00
965 lines
37 KiB
C#
965 lines
37 KiB
C#
using System;
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using System.Diagnostics;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Timers;
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using System.Windows.Forms;
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using AxMSTSCLib;
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using mRemoteNG.App;
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using mRemoteNG.Messages;
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using mRemoteNG.Properties;
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using mRemoteNG.Security.SymmetricEncryption;
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using mRemoteNG.Tools;
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using mRemoteNG.UI;
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using mRemoteNG.UI.Forms;
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using mRemoteNG.UI.Tabs;
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using MSTSCLib;
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using mRemoteNG.Resources.Language;
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using System.Runtime.Versioning;
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using FileDialog = Microsoft.Win32.FileDialog;
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using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;
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using System.DirectoryServices.ActiveDirectory;
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namespace mRemoteNG.Connection.Protocol.RDP
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{
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[SupportedOSPlatform("windows")]
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public class RdpProtocol : ProtocolBase, ISupportsViewOnly
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{
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/* RDP v8 requires Windows 7 with:
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* https://support.microsoft.com/en-us/kb/2592687
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* OR
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* https://support.microsoft.com/en-us/kb/2923545
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*
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* Windows 8+ support RDP v8 out of the box.
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*/
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private MsRdpClient6NotSafeForScripting _rdpClient; // lowest version supported
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protected virtual RdpVersion RdpProtocolVersion => RDP.RdpVersion.Rdc6;
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protected ConnectionInfo connectionInfo;
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protected Version RdpVersion;
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private readonly DisplayProperties _displayProperties;
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protected readonly FrmMain _frmMain = FrmMain.Default;
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protected bool loginComplete;
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private bool _redirectKeys;
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private bool _alertOnIdleDisconnect;
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protected uint DesktopScaleFactor => (uint)(_displayProperties.ResolutionScalingFactor.Width * 100);
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protected readonly uint DeviceScaleFactor = 100;
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protected readonly uint Orientation = 0;
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private AxHost AxHost => (AxHost)Control;
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#region Properties
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public virtual bool SmartSize
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{
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get
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{
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try
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{
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return _rdpClient.AdvancedSettings2.SmartSizing;
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}
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catch (System.Runtime.InteropServices.InvalidComObjectException)
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{
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// The COM object is separated from its RCW, try reacquiring the RCW or recreating the COM object
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_rdpClient = new MsRdpClient6NotSafeForScripting();
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return _rdpClient.AdvancedSettings2.SmartSizing;
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}
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}
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protected set
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{
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try
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{
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_rdpClient.AdvancedSettings2.SmartSizing = value;
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}
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catch (System.Runtime.InteropServices.InvalidComObjectException)
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{
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// The COM object is separated from its RCW, try reacquiring the RCW or recreating the COM object
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_rdpClient = new MsRdpClient6NotSafeForScripting();
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_rdpClient.AdvancedSettings2.SmartSizing = value;
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}
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}
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}
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public virtual bool Fullscreen
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{
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get => _rdpClient.FullScreen;
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protected set => _rdpClient.FullScreen = value;
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}
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private bool RedirectKeys
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{
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set
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{
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_redirectKeys = value;
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try
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{
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if (!_redirectKeys)
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{
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return;
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}
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Debug.Assert(Convert.ToBoolean(_rdpClient.SecuredSettingsEnabled));
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IMsRdpClientSecuredSettings msRdpClientSecuredSettings = _rdpClient.SecuredSettings2;
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msRdpClientSecuredSettings.KeyboardHookMode = 1; // Apply key combinations at the remote server.
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetRedirectKeysFailed, ex);
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}
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}
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}
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public bool LoadBalanceInfoUseUtf8 { get; set; }
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public bool ViewOnly
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{
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get => !AxHost.Enabled;
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set => AxHost.Enabled = !value;
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}
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#endregion
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#region Constructors
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public RdpProtocol()
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{
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_displayProperties = new DisplayProperties();
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tmrReconnect.Elapsed += tmrReconnect_Elapsed;
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}
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#endregion
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#region Public Methods
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protected virtual AxHost CreateActiveXRdpClientControl()
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{
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return new AxMsRdpClient6NotSafeForScripting();
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}
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public override bool Initialize()
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{
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connectionInfo = InterfaceControl.Info;
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Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, $"Requesting RDP version: {connectionInfo.RdpVersion}. Using: {RdpProtocolVersion}");
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Control = CreateActiveXRdpClientControl();
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base.Initialize();
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try
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{
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if (!InitializeActiveXControl()) return false;
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RdpVersion = new Version(_rdpClient.Version);
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if (RdpVersion < Versions.RDC61) return false; // only RDP versions 6.1 and greater are supported; minimum dll version checked, MSTSCLIB is not capable
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SetRdpClientProperties();
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return true;
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetPropsFailed, ex);
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return false;
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}
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}
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private bool InitializeActiveXControl()
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{
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try
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{
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Control.GotFocus += RdpClient_GotFocus;
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Control.CreateControl();
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while (!Control.Created)
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{
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Thread.Sleep(50);
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Application.DoEvents();
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}
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Control.Anchor = AnchorStyles.None;
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_rdpClient = (MsRdpClient6NotSafeForScripting)((AxHost)Control).GetOcx();
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return true;
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}
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catch (COMException ex)
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{
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if (ex.Message.Contains("CLASS_E_CLASSNOTAVAILABLE"))
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{
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Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, string.Format(Language.RdpProtocolVersionNotSupported, connectionInfo.RdpVersion));
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}
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else
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{
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Runtime.MessageCollector.AddExceptionMessage(Language.RdpControlCreationFailed, ex);
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}
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Control.Dispose();
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return false;
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}
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}
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public override bool Connect()
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{
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loginComplete = false;
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SetEventHandlers();
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try
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{
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_rdpClient.Connect();
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base.Connect();
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return true;
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.ConnectionOpenFailed, ex);
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}
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return false;
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}
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public override void Disconnect()
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{
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try
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{
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_rdpClient.Disconnect();
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpDisconnectFailed, ex);
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Close();
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}
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}
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public void ToggleFullscreen()
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{
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try
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{
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Fullscreen = !Fullscreen;
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpToggleFullscreenFailed, ex);
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}
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}
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public void ToggleSmartSize()
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{
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try
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{
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SmartSize = !SmartSize;
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpToggleSmartSizeFailed, ex);
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}
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}
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/// <summary>
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/// Toggles whether the RDP ActiveX control will capture and send input events to the remote host.
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/// The local host will continue to receive data from the remote host regardless of this setting.
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/// </summary>
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public void ToggleViewOnly()
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{
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try
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{
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ViewOnly = !ViewOnly;
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}
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catch
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{
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Runtime.MessageCollector.AddMessage(MessageClass.WarningMsg, $"Could not toggle view only mode for host {connectionInfo.Hostname}");
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}
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}
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public override void Focus()
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{
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try
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{
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if (Control.ContainsFocus == false)
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{
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Control.Focus();
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}
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpFocusFailed, ex);
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}
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}
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/// <summary>
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/// Determines if this version of the RDP client
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/// is supported on this machine.
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/// </summary>
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/// <returns></returns>
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public bool RdpVersionSupported()
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{
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try
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{
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using AxHost control = CreateActiveXRdpClientControl();
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control.CreateControl();
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return true;
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}
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catch
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{
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return false;
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}
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}
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#endregion
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#region Private Methods
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protected static class Versions
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{
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// https://en.wikipedia.org/wiki/Remote_Desktop_Protocol
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public static readonly Version RDC60 = new(6, 0, 6000);
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public static readonly Version RDC61 = new(6, 0, 6001);
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public static readonly Version RDC70 = new(6, 1, 7600);
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public static readonly Version RDC80 = new(6, 2, 9200);
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public static readonly Version RDC81 = new(6, 3, 9600);
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public static readonly Version RDC100 = new(10, 0, 0);
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}
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private void SetRdpClientProperties()
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{
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// https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/rdp-files
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_rdpClient.Server = connectionInfo.Hostname;
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SetCredentials();
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SetResolution();
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_rdpClient.FullScreenTitle = connectionInfo.Name;
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_alertOnIdleDisconnect = connectionInfo.RDPAlertIdleTimeout;
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_rdpClient.AdvancedSettings2.MinutesToIdleTimeout = connectionInfo.RDPMinutesToIdleTimeout;
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#region Remote Desktop Services
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_rdpClient.SecuredSettings2.StartProgram = connectionInfo.RDPStartProgram;
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_rdpClient.SecuredSettings2.WorkDir = connectionInfo.RDPStartProgramWorkDir;
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#endregion
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//not user changeable
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_rdpClient.AdvancedSettings2.GrabFocusOnConnect = true;
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_rdpClient.AdvancedSettings3.EnableAutoReconnect = true;
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_rdpClient.AdvancedSettings3.MaxReconnectAttempts = Settings.Default.RdpReconnectionCount;
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_rdpClient.AdvancedSettings2.keepAliveInterval = 60000; //in milliseconds (10,000 = 10 seconds)
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_rdpClient.AdvancedSettings5.AuthenticationLevel = 0;
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_rdpClient.AdvancedSettings2.EncryptionEnabled = 1;
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_rdpClient.AdvancedSettings2.overallConnectionTimeout = Settings.Default.ConRDPOverallConnectionTimeout;
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_rdpClient.AdvancedSettings2.BitmapPeristence = Convert.ToInt32(connectionInfo.CacheBitmaps);
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if (RdpVersion >= Versions.RDC61)
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{
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_rdpClient.AdvancedSettings7.EnableCredSspSupport = connectionInfo.UseCredSsp;
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}
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SetUseConsoleSession();
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SetPort();
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RedirectKeys = connectionInfo.RedirectKeys;
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SetRedirection();
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SetAuthenticationLevel();
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SetLoadBalanceInfo();
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SetRdGateway();
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ViewOnly = Force.HasFlag(ConnectionInfo.Force.ViewOnly);
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_rdpClient.ColorDepth = (int)connectionInfo.Colors;
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SetPerformanceFlags();
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_rdpClient.ConnectingText = Language.Connecting;
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}
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protected object GetExtendedProperty(string property)
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{
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try
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{
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// ReSharper disable once UseIndexedProperty
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return ((IMsRdpExtendedSettings)_rdpClient).get_Property(property);
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionMessage($"Error getting extended RDP property '{property}'", ex, MessageClass.WarningMsg, false);
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return null;
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}
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}
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protected void SetExtendedProperty(string property, object value)
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{
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try
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{
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// ReSharper disable once UseIndexedProperty
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((IMsRdpExtendedSettings)_rdpClient).set_Property(property, ref value);
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionMessage($"Error setting extended RDP property '{property}'", ex, MessageClass.WarningMsg, false);
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}
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}
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private void SetRdGateway()
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{
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try
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{
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if (_rdpClient.TransportSettings.GatewayIsSupported == 0)
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{
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Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, Language.RdpGatewayNotSupported, true);
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return;
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}
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Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, Language.RdpGatewayIsSupported, true);
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if (connectionInfo.RDGatewayUsageMethod == RDGatewayUsageMethod.Never) return;
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// USE GATEWAY
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_rdpClient.TransportSettings.GatewayUsageMethod = (uint)connectionInfo.RDGatewayUsageMethod;
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_rdpClient.TransportSettings.GatewayHostname = connectionInfo.RDGatewayHostname;
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_rdpClient.TransportSettings.GatewayProfileUsageMethod = 1; // TSC_PROXY_PROFILE_MODE_EXPLICIT
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if (connectionInfo.RDGatewayUseConnectionCredentials == RDGatewayUseConnectionCredentials.SmartCard)
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{
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_rdpClient.TransportSettings.GatewayCredsSource = 1; // TSC_PROXY_CREDS_MODE_SMARTCARD
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}
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if (RdpVersion < Versions.RDC61 || Force.HasFlag(ConnectionInfo.Force.NoCredentials)) return;
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switch (connectionInfo.RDGatewayUseConnectionCredentials)
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{
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case RDGatewayUseConnectionCredentials.Yes:
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_rdpClient.TransportSettings2.GatewayUsername = connectionInfo.Username;
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_rdpClient.TransportSettings2.GatewayPassword = connectionInfo.Password;
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_rdpClient.TransportSettings2.GatewayDomain = connectionInfo?.Domain;
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break;
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case RDGatewayUseConnectionCredentials.SmartCard:
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_rdpClient.TransportSettings2.GatewayCredSharing = 0;
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break;
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default:
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{
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_rdpClient.TransportSettings2.GatewayCredSharing = 0;
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string gwu = connectionInfo.RDGatewayUsername;
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string gwp = connectionInfo.RDGatewayPassword;
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string gwd = connectionInfo.RDGatewayDomain;
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string pkey = "";
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// access secret server api if necessary
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if (InterfaceControl.Info.RDGatewayExternalCredentialProvider == ExternalCredentialProvider.DelineaSecretServer)
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{
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try
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{
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string RDGUserViaAPI = InterfaceControl.Info.RDGatewayUserViaAPI;
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ExternalConnectors.DSS.SecretServerInterface.FetchSecretFromServer($"{RDGUserViaAPI}", out gwu, out gwp, out gwd, out pkey);
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}
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catch (Exception ex)
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{
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Event_ErrorOccured(this, "Secret Server Interface Error: " + ex.Message, 0);
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}
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}
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else if (InterfaceControl.Info.ExternalCredentialProvider == ExternalCredentialProvider.ClickstudiosPasswordState)
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{
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try
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{
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string RDGUserViaAPI = InterfaceControl.Info.RDGatewayUserViaAPI;
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ExternalConnectors.CPS.PasswordstateInterface.FetchSecretFromServer($"{RDGUserViaAPI}", out gwu, out gwp, out gwd, out pkey);
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}
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catch (Exception ex)
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{
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Event_ErrorOccured(this, "Passwordstate Interface Error: " + ex.Message, 0);
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}
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}
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if (connectionInfo.RDGatewayUseConnectionCredentials != RDGatewayUseConnectionCredentials.AccessToken)
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{
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_rdpClient.TransportSettings2.GatewayUsername = gwu;
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_rdpClient.TransportSettings2.GatewayPassword = gwp;
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_rdpClient.TransportSettings2.GatewayDomain = gwd;
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}
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else
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{
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//TODO: should we check client version and throw if it is less than 7
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}
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break;
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}
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}
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetGatewayFailed, ex);
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}
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}
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private void SetUseConsoleSession()
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{
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try
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{
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bool value;
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if (Force.HasFlag(ConnectionInfo.Force.UseConsoleSession))
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{
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value = true;
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}
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else if (Force.HasFlag(ConnectionInfo.Force.DontUseConsoleSession))
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{
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value = false;
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}
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else
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{
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value = connectionInfo.UseConsoleSession;
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}
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if (RdpVersion >= Versions.RDC61)
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{
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Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, string.Format(Language.RdpSetConsoleSwitch, RdpVersion), true);
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_rdpClient.AdvancedSettings7.ConnectToAdministerServer = value;
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}
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else
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{
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Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"{string.Format(Language.RdpSetConsoleSwitch, RdpVersion)}{Environment.NewLine}No longer supported in this RDP version. Reference: https://msdn.microsoft.com/en-us/library/aa380863(v=vs.85).aspx", true);
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// ConnectToServerConsole is deprecated
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//https://msdn.microsoft.com/en-us/library/aa380863(v=vs.85).aspx
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//_rdpClient.AdvancedSettings2.ConnectToServerConsole = value;
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}
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}
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catch (Exception ex)
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{
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Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetConsoleSessionFailed, ex);
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}
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}
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private void SetCredentials()
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{
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try
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|
{
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if (Force.HasFlag(ConnectionInfo.Force.NoCredentials))
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{
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return;
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}
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string userName = connectionInfo?.Username ?? "";
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string password = connectionInfo?.Password ?? "";
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string domain = connectionInfo?.Domain ?? "";
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string userViaApi = connectionInfo?.UserViaAPI ?? "";
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string pkey = "";
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// access secret server api if necessary
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if (InterfaceControl.Info.ExternalCredentialProvider == ExternalCredentialProvider.DelineaSecretServer)
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{
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try
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{
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ExternalConnectors.DSS.SecretServerInterface.FetchSecretFromServer($"{userViaApi}", out userName, out password, out domain, out pkey);
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}
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catch (Exception ex)
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{
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Event_ErrorOccured(this, "Secret Server Interface Error: " + ex.Message, 0);
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}
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}
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|
else if (InterfaceControl.Info.ExternalCredentialProvider == ExternalCredentialProvider.ClickstudiosPasswordState)
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|
{
|
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try
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|
{
|
|
ExternalConnectors.CPS.PasswordstateInterface.FetchSecretFromServer($"{userViaApi}", out userName, out password, out domain, out pkey);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Event_ErrorOccured(this, "Passwordstate Interface Error: " + ex.Message, 0);
|
|
}
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(userName))
|
|
{
|
|
switch (Properties.OptionsCredentialsPage.Default.EmptyCredentials)
|
|
{
|
|
case "windows":
|
|
_rdpClient.UserName = Environment.UserName;
|
|
break;
|
|
case "custom" when !string.IsNullOrEmpty(Properties.OptionsCredentialsPage.Default.DefaultUsername):
|
|
_rdpClient.UserName = Properties.OptionsCredentialsPage.Default.DefaultUsername;
|
|
break;
|
|
case "custom":
|
|
try
|
|
{
|
|
ExternalConnectors.DSS.SecretServerInterface.FetchSecretFromServer(Properties.OptionsCredentialsPage.Default.UserViaAPIDefault, out userName, out password, out domain, out pkey);
|
|
_rdpClient.UserName = userName;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Event_ErrorOccured(this, "Secret Server Interface Error: " + ex.Message, 0);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_rdpClient.UserName = userName;
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(password))
|
|
{
|
|
if (Properties.OptionsCredentialsPage.Default.EmptyCredentials == "custom")
|
|
{
|
|
if (Properties.OptionsCredentialsPage.Default.DefaultPassword != "")
|
|
{
|
|
LegacyRijndaelCryptographyProvider cryptographyProvider = new();
|
|
_rdpClient.AdvancedSettings2.ClearTextPassword = cryptographyProvider.Decrypt(Properties.OptionsCredentialsPage.Default.DefaultPassword, Runtime.EncryptionKey);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_rdpClient.AdvancedSettings2.ClearTextPassword = password;
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(domain))
|
|
{
|
|
_rdpClient.Domain = Properties.OptionsCredentialsPage.Default.EmptyCredentials switch
|
|
{
|
|
"windows" => Environment.UserDomainName,
|
|
"custom" => Properties.OptionsCredentialsPage.Default.DefaultDomain,
|
|
_ => _rdpClient.Domain
|
|
};
|
|
}
|
|
else
|
|
{
|
|
_rdpClient.Domain = domain;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetCredentialsFailed, ex);
|
|
}
|
|
}
|
|
|
|
private void SetResolution()
|
|
{
|
|
try
|
|
{
|
|
SetExtendedProperty("DesktopScaleFactor", DesktopScaleFactor);
|
|
SetExtendedProperty("DeviceScaleFactor", DeviceScaleFactor);
|
|
|
|
if (Force.HasFlag(ConnectionInfo.Force.Fullscreen))
|
|
{
|
|
_rdpClient.FullScreen = true;
|
|
_rdpClient.DesktopWidth = Screen.FromControl(_frmMain).Bounds.Width;
|
|
_rdpClient.DesktopHeight = Screen.FromControl(_frmMain).Bounds.Height;
|
|
|
|
return;
|
|
}
|
|
|
|
switch (InterfaceControl.Info.Resolution)
|
|
{
|
|
case RDPResolutions.FitToWindow:
|
|
case RDPResolutions.SmartSize:
|
|
{
|
|
_rdpClient.DesktopWidth = InterfaceControl.Size.Width;
|
|
_rdpClient.DesktopHeight = InterfaceControl.Size.Height;
|
|
|
|
if (InterfaceControl.Info.Resolution == RDPResolutions.SmartSize)
|
|
{
|
|
_rdpClient.AdvancedSettings2.SmartSizing = true;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case RDPResolutions.Fullscreen:
|
|
_rdpClient.FullScreen = true;
|
|
_rdpClient.DesktopWidth = Screen.FromControl(_frmMain).Bounds.Width;
|
|
_rdpClient.DesktopHeight = Screen.FromControl(_frmMain).Bounds.Height;
|
|
break;
|
|
default:
|
|
{
|
|
System.Drawing.Rectangle resolution = connectionInfo.Resolution.GetResolutionRectangle();
|
|
_rdpClient.DesktopWidth = resolution.Width;
|
|
_rdpClient.DesktopHeight = resolution.Height;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetResolutionFailed, ex);
|
|
}
|
|
}
|
|
|
|
private void SetPort()
|
|
{
|
|
try
|
|
{
|
|
if (connectionInfo.Port != (int)Defaults.Port)
|
|
{
|
|
_rdpClient.AdvancedSettings2.RDPPort = connectionInfo.Port;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetPortFailed, ex);
|
|
}
|
|
}
|
|
|
|
private void SetRedirection()
|
|
{
|
|
try
|
|
{
|
|
SetDriveRedirection();
|
|
_rdpClient.AdvancedSettings2.RedirectPorts = connectionInfo.RedirectPorts;
|
|
_rdpClient.AdvancedSettings2.RedirectPrinters = connectionInfo.RedirectPrinters;
|
|
_rdpClient.AdvancedSettings2.RedirectSmartCards = connectionInfo.RedirectSmartCards;
|
|
_rdpClient.SecuredSettings2.AudioRedirectionMode = (int)connectionInfo.RedirectSound;
|
|
_rdpClient.AdvancedSettings6.RedirectClipboard = connectionInfo.RedirectClipboard;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetRedirectionFailed, ex);
|
|
}
|
|
}
|
|
|
|
private void SetDriveRedirection()
|
|
{
|
|
if (RDPDiskDrives.None == connectionInfo.RedirectDiskDrives)
|
|
_rdpClient.AdvancedSettings2.RedirectDrives = false;
|
|
else if (RDPDiskDrives.All == connectionInfo.RedirectDiskDrives)
|
|
_rdpClient.AdvancedSettings2.RedirectDrives = true;
|
|
else if (RDPDiskDrives.Custom == connectionInfo.RedirectDiskDrives)
|
|
{
|
|
IMsRdpClientNonScriptable5 rdpNS5 = (IMsRdpClientNonScriptable5)((AxHost)Control).GetOcx();
|
|
for (uint i = 0; i < rdpNS5.DriveCollection.DriveCount; i++)
|
|
{
|
|
IMsRdpDrive drive = rdpNS5.DriveCollection.DriveByIndex[i];
|
|
drive.RedirectionState = connectionInfo.RedirectDiskDrivesCustom.Contains(drive.Name.Substring(0, 1));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Local Drives
|
|
IMsRdpClientNonScriptable5 rdpNS5 = (IMsRdpClientNonScriptable5)((AxHost)Control).GetOcx();
|
|
for (uint i = 0; i < rdpNS5.DriveCollection.DriveCount; i++)
|
|
{
|
|
IMsRdpDrive drive = rdpNS5.DriveCollection.DriveByIndex[i];
|
|
drive.RedirectionState = IsLocal(drive);
|
|
}
|
|
}
|
|
}
|
|
|
|
private bool IsLocal(IMsRdpDrive drive)
|
|
{
|
|
DriveInfo[] myDrives = DriveInfo.GetDrives();
|
|
foreach (DriveInfo myDrive in myDrives)
|
|
{
|
|
if (myDrive.Name.Substring(0, 1).Equals(drive.Name.Substring(0,1)))
|
|
{
|
|
return myDrive.DriveType == DriveType.Fixed;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private void SetPerformanceFlags()
|
|
{
|
|
try
|
|
{
|
|
int pFlags = 0;
|
|
if (connectionInfo.DisplayThemes == false)
|
|
pFlags += (int)RDPPerformanceFlags.DisableThemes;
|
|
|
|
if (connectionInfo.DisplayWallpaper == false)
|
|
pFlags += (int)RDPPerformanceFlags.DisableWallpaper;
|
|
|
|
if (connectionInfo.EnableFontSmoothing)
|
|
pFlags += (int)RDPPerformanceFlags.EnableFontSmoothing;
|
|
|
|
if (connectionInfo.EnableDesktopComposition)
|
|
pFlags += (int)RDPPerformanceFlags.EnableDesktopComposition;
|
|
|
|
if (connectionInfo.DisableFullWindowDrag)
|
|
pFlags += (int)RDPPerformanceFlags.DisableFullWindowDrag;
|
|
|
|
if (connectionInfo.DisableMenuAnimations)
|
|
pFlags += (int)RDPPerformanceFlags.DisableMenuAnimations;
|
|
|
|
if (connectionInfo.DisableCursorShadow)
|
|
pFlags += (int)RDPPerformanceFlags.DisableCursorShadow;
|
|
|
|
if (connectionInfo.DisableCursorBlinking)
|
|
pFlags += (int)RDPPerformanceFlags.DisableCursorBlinking;
|
|
|
|
_rdpClient.AdvancedSettings2.PerformanceFlags = pFlags;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetPerformanceFlagsFailed, ex);
|
|
}
|
|
}
|
|
|
|
private void SetAuthenticationLevel()
|
|
{
|
|
try
|
|
{
|
|
_rdpClient.AdvancedSettings5.AuthenticationLevel = (uint)connectionInfo.RDPAuthenticationLevel;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetAuthenticationLevelFailed, ex);
|
|
}
|
|
}
|
|
|
|
private void SetLoadBalanceInfo()
|
|
{
|
|
if (string.IsNullOrEmpty(connectionInfo.LoadBalanceInfo))
|
|
{
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
_rdpClient.AdvancedSettings2.LoadBalanceInfo = LoadBalanceInfoUseUtf8
|
|
? new AzureLoadBalanceInfoEncoder().Encode(connectionInfo.LoadBalanceInfo)
|
|
: connectionInfo.LoadBalanceInfo;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace("Unable to set load balance info.", ex);
|
|
}
|
|
}
|
|
|
|
protected virtual void SetEventHandlers()
|
|
{
|
|
try
|
|
{
|
|
_rdpClient.OnConnecting += RDPEvent_OnConnecting;
|
|
_rdpClient.OnConnected += RDPEvent_OnConnected;
|
|
_rdpClient.OnLoginComplete += RDPEvent_OnLoginComplete;
|
|
_rdpClient.OnFatalError += RDPEvent_OnFatalError;
|
|
_rdpClient.OnDisconnected += RDPEvent_OnDisconnected;
|
|
_rdpClient.OnIdleTimeoutNotification += RDPEvent_OnIdleTimeoutNotification;
|
|
_rdpClient.OnLeaveFullScreenMode += RDPEvent_OnLeaveFullscreenMode;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionStackTrace(Language.RdpSetEventHandlersFailed, ex);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Private Events & Handlers
|
|
|
|
private void RDPEvent_OnIdleTimeoutNotification()
|
|
{
|
|
Close(); //Simply close the RDP Session if the idle timeout has been triggered.
|
|
|
|
if (!_alertOnIdleDisconnect) return;
|
|
MessageBox.Show($@"The {connectionInfo.Name} session was disconnected due to inactivity", @"Session Disconnected", MessageBoxButtons.OK, MessageBoxIcon.Information);
|
|
}
|
|
|
|
private void RDPEvent_OnFatalError(int errorCode)
|
|
{
|
|
string errorMsg = RdpErrorCodes.GetError(errorCode);
|
|
Event_ErrorOccured(this, errorMsg, errorCode);
|
|
}
|
|
|
|
private void RDPEvent_OnDisconnected(int discReason)
|
|
{
|
|
const int UI_ERR_NORMAL_DISCONNECT = 0xB08;
|
|
if (discReason != UI_ERR_NORMAL_DISCONNECT)
|
|
{
|
|
string reason = _rdpClient.GetErrorDescription((uint)discReason, (uint)_rdpClient.ExtendedDisconnectReason);
|
|
Event_Disconnected(this, reason, discReason);
|
|
}
|
|
|
|
if (Properties.OptionsAdvancedPage.Default.ReconnectOnDisconnect)
|
|
{
|
|
ReconnectGroup = new ReconnectGroup();
|
|
ReconnectGroup.CloseClicked += Event_ReconnectGroupCloseClicked;
|
|
ReconnectGroup.Left = (int)((double)Control.Width / 2 - (double)ReconnectGroup.Width / 2);
|
|
ReconnectGroup.Top = (int)((double)Control.Height / 2 - (double)ReconnectGroup.Height / 2);
|
|
ReconnectGroup.Parent = Control;
|
|
ReconnectGroup.Show();
|
|
tmrReconnect.Enabled = true;
|
|
}
|
|
else
|
|
{
|
|
Close();
|
|
}
|
|
}
|
|
|
|
private void RDPEvent_OnConnecting()
|
|
{
|
|
Event_Connecting(this);
|
|
}
|
|
|
|
private void RDPEvent_OnConnected()
|
|
{
|
|
Event_Connected(this);
|
|
}
|
|
|
|
private void RDPEvent_OnLoginComplete()
|
|
{
|
|
loginComplete = true;
|
|
}
|
|
|
|
private void RDPEvent_OnLeaveFullscreenMode()
|
|
{
|
|
Fullscreen = false;
|
|
_leaveFullscreenEvent?.Invoke(this, EventArgs.Empty);
|
|
}
|
|
|
|
private void RdpClient_GotFocus(object sender, EventArgs e)
|
|
{
|
|
((ConnectionTab)Control.Parent.Parent).Focus();
|
|
}
|
|
#endregion
|
|
|
|
#region Public Events & Handlers
|
|
|
|
public delegate void LeaveFullscreenEventHandler(object sender, EventArgs e);
|
|
|
|
private LeaveFullscreenEventHandler _leaveFullscreenEvent;
|
|
|
|
public event LeaveFullscreenEventHandler LeaveFullscreen
|
|
{
|
|
add => _leaveFullscreenEvent = (LeaveFullscreenEventHandler)Delegate.Combine(_leaveFullscreenEvent, value);
|
|
remove => _leaveFullscreenEvent = (LeaveFullscreenEventHandler)Delegate.Remove(_leaveFullscreenEvent, value);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Enums
|
|
|
|
public enum Defaults
|
|
{
|
|
Colors = RDPColors.Colors16Bit,
|
|
Sounds = RDPSounds.DoNotPlay,
|
|
Resolution = RDPResolutions.FitToWindow,
|
|
Port = 3389
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Reconnect Stuff
|
|
|
|
private void tmrReconnect_Elapsed(object sender, ElapsedEventArgs e)
|
|
{
|
|
try
|
|
{
|
|
bool srvReady = PortScanner.IsPortOpen(connectionInfo.Hostname, Convert.ToString(connectionInfo.Port));
|
|
|
|
ReconnectGroup.ServerReady = srvReady;
|
|
|
|
if (!ReconnectGroup.ReconnectWhenReady || !srvReady) return;
|
|
tmrReconnect.Enabled = false;
|
|
ReconnectGroup.DisposeReconnectGroup();
|
|
//SetProps()
|
|
_rdpClient.Connect();
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Runtime.MessageCollector.AddExceptionMessage(
|
|
string.Format(Language.AutomaticReconnectError, connectionInfo.Hostname),
|
|
ex, MessageClass.WarningMsg, false);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
}
|
|
} |