First pass at adding RDP clipboard support, #3810.

MeshCentralServer.njsproj

@@ -198,6 +198,7 @@
     <Compile Include="rdp\protocol\index.js" />
     <Compile Include="rdp\protocol\nla.js" />
     <Compile Include="rdp\protocol\pdu\caps.js" />
+    <Compile Include="rdp\protocol\pdu\cliprdr.js" />
     <Compile Include="rdp\protocol\pdu\data.js" />
     <Compile Include="rdp\protocol\pdu\global.js" />
     <Compile Include="rdp\protocol\pdu\index.js" />

apprelays.js

@@ -152,7 +152,7 @@ module.exports.CreateMstscRelay = function (parent, db, ws, req, args, domain) {
                         obj.wsClient._socket.pause();
                         try {
                             obj.relaySocket.write(data, function () {
-                                try { obj.wsClient._socket.resume(); } catch (ex) { console.log(ex); }
+                                if (obj.wsClient && obj.wsClient._socket) { try { obj.wsClient._socket.resume(); } catch (ex) { console.log(ex); } }
                             });
                         } catch (ex) { console.log(ex); obj.close(); }
                     }
@@ -201,6 +201,10 @@ module.exports.CreateMstscRelay = function (parent, db, ws, req, args, domain) {
                 try { ws.send(bitmap.data); } catch (ex) { } // Send the bitmap data as binary
                 delete bitmap.data;
                 send(['rdp-bitmap', bitmap]); // Send the bitmap metadata seperately, without bitmap data.
+            }).on('clipboard', function (content) {
+                // Clipboard data changed
+                console.log('RDP clipboard recv', content);
+                send(['rdp-clipboard', content]);
             }).on('close', function () {
                 send(['rdp-close']);
             }).on('error', function (err) {
@@ -317,6 +321,7 @@ module.exports.CreateMstscRelay = function (parent, db, ws, req, args, domain) {
                 }
                 case 'mouse': { if (rdpClient && (obj.viewonly != true)) { rdpClient.sendPointerEvent(msg[1], msg[2], msg[3], msg[4]); } break; }
                 case 'wheel': { if (rdpClient && (obj.viewonly != true)) { rdpClient.sendWheelEvent(msg[1], msg[2], msg[3], msg[4]); } break; }
+                case 'clipboard': { rdpClient.setClipboardData(msg[1]); break; }
                 case 'scancode': {
                     if (obj.limitedinput == true) { // Limit keyboard input
                         var ok = false, k = msg[1];

public/scripts/agent-rdp-0.0.1.js

@@ -83,6 +83,10 @@ var CreateRDPDesktop = function (canvasid) {
                         obj.Stop();
                         break;
                     }
+                    case 'rdp-clipboard': {
+                        console.log('clipboard', msg[1]);
+                        break;
+                    }
                     case 'ping': { obj.socket.send('["pong"]'); break; }
                     case 'pong': { break; }
                 }
@@ -99,7 +103,15 @@ var CreateRDPDesktop = function (canvasid) {
         obj.Canvas.fillRect(0, 0, obj.ScreenWidth, obj.ScreenHeight);
         if (obj.socket) { obj.socket.close(); }
     }
-    
+
+    obj.m.setClipboard = function (content) {
+        console.log('s1');
+        if (obj.socket) {
+            console.log('s2', content);
+            obj.socket.send(JSON.stringify(['clipboard', content]));
+        }
+    }
+
     function changeState(newstate) {
         if (obj.State == newstate) return;
         obj.State = newstate;
@@ -153,14 +165,14 @@ var CreateRDPDesktop = function (canvasid) {
     }
     obj.m.handleKeyUp = function (e) {
         if (!obj.socket || (obj.State != 3)) return;
-        console.log('handleKeyUp', Mstsc.scancode(e));
+        //console.log('handleKeyUp', Mstsc.scancode(e));
         obj.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), false]));
         e.preventDefault();
         return false;
     }
     obj.m.handleKeyDown = function (e) {
         if (!obj.socket || (obj.State != 3)) return;
-        console.log('handleKeyDown', Mstsc.scancode(e));
+        //console.log('handleKeyDown', Mstsc.scancode(e));
         obj.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), true]));
         e.preventDefault();
         return false;

rdp/protocol/pdu/cliprdr.js

@@ -0,0 +1,327 @@
+const type = require('../../core').type;
+const EventEmitter = require('events').EventEmitter;
+const caps = require('./caps');
+const log = require('../../core').log;
+const data = require('./data');
+
+
+
+/**
+ * Cliprdr channel for all clipboard
+ * capabilities exchange
+ */
+class Cliprdr extends EventEmitter {
+
+  constructor(transport) {
+    super();
+    this.transport = transport;
+    // must be init via connect event
+    this.userId = 0;
+    this.serverCapabilities = [];
+    this.clientCapabilities = [];
+  }
+
+}
+
+
+/**
+ * Client side of Cliprdr channel automata
+ * @param transport
+ */
+class Client extends Cliprdr {
+
+  constructor(transport, fastPathTransport) {
+
+    super(transport, fastPathTransport);
+
+    this.transport.once('connect', (gccCore, userId, channelId) => {
+      this.connect(gccCore, userId, channelId);
+    }).on('close', () => {
+      this.emit('close');
+    }).on('error', (err) => {
+      this.emit('error', err);
+    });
+
+    this.content = '';
+    
+  }
+
+  /**
+   * connect function
+   * @param gccCore {type.Component(clientCoreData)}
+   */
+  connect(gccCore, userId, channelId) {
+    this.gccCore = gccCore;
+    this.userId = userId;
+    this.channelId = channelId;
+    this.transport.once('cliprdr', (s) => {
+      this.recv(s);
+    });
+  }
+
+
+  send(message) {
+    this.transport.send('cliprdr', new type.Component([
+      // Channel PDU Header
+      new type.UInt32Le(message.size()),
+      // CHANNEL_FLAG_FIRST | CHANNEL_FLAG_LAST | CHANNEL_FLAG_SHOW_PROTOCOL
+      new type.UInt32Le(0x13),
+      message
+    ]));
+  };
+
+  recv(s) {
+    s.offset = 18;
+    const pdu = data.clipPDU().read(s), type = data.ClipPDUMsgType;
+
+    switch (pdu.obj.header.obj.msgType.value) {
+      case type.CB_MONITOR_READY:
+        this.recvMonitorReadyPDU(s);
+        break;
+      case type.CB_FORMAT_LIST:
+        this.recvFormatListPDU(s);
+        break;
+      case type.CB_FORMAT_LIST_RESPONSE:
+        this.recvFormatListResponsePDU(s);
+        break;
+      case type.CB_FORMAT_DATA_REQUEST:
+        this.recvFormatDataRequestPDU(s);
+        break;
+      case type.CB_FORMAT_DATA_RESPONSE:
+        this.recvFormatDataResponsePDU(s);
+        break;
+      case type.CB_TEMP_DIRECTORY:
+        break;
+      case type.CB_CLIP_CAPS:
+        this.recvClipboardCapsPDU(s);
+        break;
+      case type.CB_FILECONTENTS_REQUEST:
+    }
+
+    this.transport.once('cliprdr', (s) => {
+      this.recv(s);
+    });
+  }
+
+  /**
+   * Receive capabilities from server
+   * @param s {type.Stream}
+   */
+  recvClipboardCapsPDU(s) {
+    // Start at 18
+    s.offset = 18;
+    // const pdu = data.clipPDU().read(s);
+    // console.log('recvClipboardCapsPDU', s);
+  }
+
+
+  /**
+   * Receive monitor ready from server
+   * @param s {type.Stream}
+   */
+  recvMonitorReadyPDU(s) {
+    s.offset = 18;
+    // const pdu = data.clipPDU().read(s);
+    // console.log('recvMonitorReadyPDU', s);
+
+    this.sendClipboardCapsPDU();
+    // this.sendClientTemporaryDirectoryPDU();
+    this.sendFormatListPDU();
+  }
+
+
+  /**
+   * Send clipboard capabilities PDU
+   */
+  sendClipboardCapsPDU() {
+    this.send(new type.Component({
+      msgType: new type.UInt16Le(data.ClipPDUMsgType.CB_CLIP_CAPS),
+      msgFlags: new type.UInt16Le(0x00),
+      dataLen: new type.UInt32Le(0x10),
+      cCapabilitiesSets: new type.UInt16Le(0x01),
+      pad1: new type.UInt16Le(0x00),
+      capabilitySetType: new type.UInt16Le(0x01),
+      lengthCapability: new type.UInt16Le(0x0c),
+      version: new type.UInt32Le(0x02),
+      capabilityFlags: new type.UInt32Le(0x02)
+    }));
+  }
+
+
+  /**
+   * Send client temporary directory PDU
+   */
+  sendClientTemporaryDirectoryPDU(path = '') {
+    // TODO
+    this.send(new type.Component({
+      msgType: new type.UInt16Le(data.ClipPDUMsgType.CB_TEMP_DIRECTORY),
+      msgFlags: new type.UInt16Le(0x00),
+      dataLen: new type.UInt32Le(0x0208),
+      wszTempDir: new type.BinaryString(Buffer.from('D:\\Vectors' + Array(251).join('\x00'), 'ucs2'), { readLength : new type.CallableValue(520)})
+    }));
+  }
+
+
+  /**
+   * Send format list PDU
+   */
+  sendFormatListPDU() {
+    this.send(new type.Component({
+      msgType: new type.UInt16Le(data.ClipPDUMsgType.CB_FORMAT_LIST),
+      msgFlags: new type.UInt16Le(0x00),
+
+      dataLen: new type.UInt32Le(0x24),
+
+      formatId6: new type.UInt32Le(0xc004),
+      formatName6: new type.BinaryString(Buffer.from('Native\x00' , 'ucs2'), { readLength : new type.CallableValue(14)}),
+
+      formatId8: new type.UInt32Le(0x0d),
+      formatName8: new type.UInt16Le(0x00),
+
+      formatId9: new type.UInt32Le(0x10),
+      formatName9: new type.UInt16Le(0x00),
+
+      formatId0: new type.UInt32Le(0x01),
+      formatName0: new type.UInt16Le(0x00),
+      
+      // dataLen: new type.UInt32Le(0xe0),
+
+      // formatId1: new type.UInt32Le(0xc08a),
+      // formatName1: new type.BinaryString(Buffer.from('Rich Text Format\x00' , 'ucs2'), { readLength : new type.CallableValue(34)}),
+
+      // formatId2: new type.UInt32Le(0xc145),
+      // formatName2: new type.BinaryString(Buffer.from('Rich Text Format Without Objects\x00' , 'ucs2'), { readLength : new type.CallableValue(66)}),
+
+      // formatId3: new type.UInt32Le(0xc143),
+      // formatName3: new type.BinaryString(Buffer.from('RTF As Text\x00' , 'ucs2'), { readLength : new type.CallableValue(24)}),
+
+      // formatId4: new type.UInt32Le(0x01),
+      // formatName4: new type.BinaryString(0x00),
+
+      formatId5: new type.UInt32Le(0x07),
+      formatName5: new type.UInt16Le(0x00),
+
+      // formatId6: new type.UInt32Le(0xc004),
+      // formatName6: new type.BinaryString(Buffer.from('Native\x00' , 'ucs2'), { readLength : new type.CallableValue(14)}),
+      
+      // formatId7: new type.UInt32Le(0xc00e),
+      // formatName7: new type.BinaryString(Buffer.from('Object Descriptor\x00' , 'ucs2'), { readLength : new type.CallableValue(36)}),
+
+      // formatId8: new type.UInt32Le(0x03),
+      // formatName8: new type.UInt16Le(0x00),
+
+      // formatId9: new type.UInt32Le(0x10),
+      // formatName9: new type.UInt16Le(0x00),
+
+      // formatId0: new type.UInt32Le(0x07),
+      // formatName0: new type.UInt16Le(0x00),
+    }));
+
+  }
+
+  /**
+   * Recvie format list PDU from server
+   * @param {type.Stream} s 
+   */
+  recvFormatListPDU(s) {
+    s.offset = 18;
+    // const pdu = data.clipPDU().read(s);
+    // console.log('recvFormatListPDU', s);
+    this.sendFormatListResponsePDU();
+  }
+
+
+  /**
+   * Send format list reesponse
+   */
+   sendFormatListResponsePDU() {
+     this.send(new type.Component({
+        msgType: new type.UInt16Le(data.ClipPDUMsgType.CB_FORMAT_LIST_RESPONSE),
+        msgFlags: new type.UInt16Le(0x01),
+        dataLen: new type.UInt32Le(0x00),
+     }));
+
+     this.sendFormatDataRequestPDU();
+   }
+
+
+  /**
+   * Receive format list response from server
+   * @param s {type.Stream}
+   */
+  recvFormatListResponsePDU(s) {
+    s.offset = 18;
+    // const pdu = data.clipPDU().read(s);
+    // console.log('recvFormatListResponsePDU', s);
+    // this.sendFormatDataRequestPDU();
+  }
+
+
+  /**
+   * Send format data request PDU
+   */
+  sendFormatDataRequestPDU(formartId = 0x0d) {
+    this.send(new type.Component({
+      msgType: new type.UInt16Le(data.ClipPDUMsgType.CB_FORMAT_DATA_REQUEST),
+      msgFlags: new type.UInt16Le(0x00),
+      dataLen: new type.UInt32Le(0x04),
+      requestedFormatId: new type.UInt32Le(formartId),
+    }));
+  }
+
+
+  /**
+   * Receive format data request PDU from server
+   * @param s {type.Stream}
+   */
+  recvFormatDataRequestPDU(s) {
+    s.offset = 18;
+    // const pdu = data.clipPDU().read(s);
+    // console.log('recvFormatDataRequestPDU', s);
+    this.sendFormatDataResponsePDU();
+  }
+
+
+  /**
+   * Send format data reesponse PDU
+   */
+  sendFormatDataResponsePDU() {
+    
+    const bufs = Buffer.from(this.content + '\x00' , 'ucs2');
+
+    this.send(new type.Component({
+      msgType: new type.UInt16Le(data.ClipPDUMsgType.CB_FORMAT_DATA_RESPONSE),
+      msgFlags: new type.UInt16Le(0x01),
+      dataLen: new type.UInt32Le(bufs.length),
+      requestedFormatData: new type.BinaryString(bufs, { readLength : new type.CallableValue(bufs.length)})
+    }));
+
+  }
+
+
+  /**
+   * Receive format data response PDU from server
+   * @param s {type.Stream}
+   */
+  recvFormatDataResponsePDU(s) {
+    s.offset = 18;
+    // const pdu = data.clipPDU().read(s);
+    const str = s.buffer.toString('ucs2', 26, s.buffer.length-2);
+    // console.log('recvFormatDataResponsePDU', str);
+    this.content = str;
+    this.emit('clipboard', str)
+  }
+
+
+// =====================================================================================
+  setClipboardData(content) {
+    this.content = content;
+    this.sendFormatListPDU();
+  }
+
+}
+	
+
+module.exports = {
+  Client
+}

rdp/protocol/pdu/data.js

@@ -1040,6 +1040,36 @@ function pdu(userId, pduMessage, opt) {
 	return new type.Component(self, opt);
 }
 
+
+const ClipPDUMsgType = {
+    CB_MONITOR_READY: 0x0001,
+    CB_FORMAT_LIST: 0x0002,
+    CB_FORMAT_LIST_RESPONSE: 0x0003,
+    CB_FORMAT_DATA_REQUEST: 0x0004,
+    CB_FORMAT_DATA_RESPONSE: 0x0005,
+    CB_TEMP_DIRECTORY: 0x0006,
+    CB_CLIP_CAPS: 0x0007,
+    CB_FILECONTENTS_REQUEST: 0x0008
+}
+
+/**
+ * @returns {type.Component}
+ */
+function clipPDU() {
+    const self = {
+        header: new type.Factory(function (s) {
+            self.header = new type.Component({
+                msgType: new type.UInt16Le().read(s),
+                msgFlags: new type.UInt16Le().read(s),
+                dataLen: new type.UInt32Le().read(s)
+            })
+        })
+
+    }
+    return new type.Component(self);
+}
+
+
 /**
  * @see http://msdn.microsoft.com/en-us/library/dd306368.aspx
  * @param opt {object} type option
@@ -1147,5 +1177,7 @@ module.exports = {
 		updateDataPDU : updateDataPDU,
 		dataPDU : dataPDU,
 		fastPathBitmapUpdateDataPDU : fastPathBitmapUpdateDataPDU,
-		fastPathUpdatePDU : fastPathUpdatePDU
+        fastPathUpdatePDU: fastPathUpdatePDU,
+        clipPDU: clipPDU,
+        ClipPDUMsgType: ClipPDUMsgType
 };

rdp/protocol/pdu/index.js

@@ -21,10 +21,12 @@ var lic = require('./lic');
 var sec = require('./sec');
 var global = require('./global');
 var data = require('./data');
+var cliprdr = require('./cliprdr');
 
 module.exports = {
-	lic : lic,
+	lic: lic,
-	sec : sec,
+	sec: sec,
-	global : global,
+	global: global,
-	data : data
+    data: data,
+    cliprdr: cliprdr
 };

rdp/protocol/rdp.js

@@ -87,6 +87,7 @@ function RdpClient(config) {
     this.x224 = new x224.Client(this.tpkt, config);
     this.mcs = new t125.mcs.Client(this.x224);
     this.sec = new pdu.sec.Client(this.mcs, this.tpkt);
+    this.cliprdr = new pdu.cliprdr.Client(this.mcs);
     this.global = new pdu.global.Client(this.sec, this.sec);
 
     // config log level
@@ -145,6 +146,9 @@ function RdpClient(config) {
             this.mcs.clientCoreData.obj.kbdLayout.value = t125.gcc.KeyboardLayout.US;
     }
 
+    this.cliprdr.on('clipboard', (content) => {
+        this.emit('clipboard', content)
+    });
 
     //bind all events
     var self = this;
@@ -328,6 +332,14 @@ RdpClient.prototype.sendWheelEvent = function (x, y, step, isNegative, isHorizon
     this.global.sendInputEvents([event]);
 }
 
+/**
+ * Clipboard event
+ * @param data {String} content for clipboard
+ */
+RdpClient.prototype.setClipboardData = function (content) {
+    this.cliprdr.setClipboardData(content);
+}
+
 function createClient(config) {
     return new RdpClient(config);
 };

rdp/protocol/t125/mcs.js

@@ -25,6 +25,7 @@ var error = require('../../core').error;
 var gcc = require('./gcc');
 var per = require('./per');
 var asn1 = require('../../asn1');
+var cliprdr = require('../pdu/cliprdr');
 
 var Message = {
 	MCS_TYPE_CONNECT_INITIAL : 0x65,
@@ -43,10 +44,33 @@ var DomainMCSPDU = {
 };
 
 var Channel = {
-    MCS_GLOBAL_CHANNEL : 1003,
+    MCS_GLOBAL_CHANNEL: 1003,
-    MCS_USERCHANNEL_BASE : 1001
+    MCS_USERCHANNEL_BASE: 1001,
+    MCS_CLIPRDR_CHANNEL: 1005
 };
 
+/**
+ * Channel Definde
+ */
+const RdpdrChannelDef = new type.Component({
+    name: new type.BinaryString(Buffer.from('rdpdr' + '\x00\x00\x00', 'binary'), { readLength: new type.CallableValue(8) }),
+    options: new type.UInt32Le(0x80800000)
+});
+
+const RdpsndChannelDef = new type.Component({
+    name: new type.BinaryString(Buffer.from('rdpsnd' + '\x00\x00', 'binary'), { readLength: new type.CallableValue(8) }),
+    options: new type.UInt32Le(0xc0000000)
+});
+
+const CliprdrChannelDef = new type.Component({
+    name: new type.BinaryString(Buffer.from('cliprdr' + '\x00', 'binary'), { readLength: new type.CallableValue(8) }),
+    // CHANNEL_OPTION_INITIALIZED |
+    // CHANNEL_OPTION_ENCRYPT_RDP |
+    // CHANNEL_OPTION_COMPRESS_RDP |
+    // CHANNEL_OPTION_SHOW_PROTOCOL
+    options: new type.UInt32Le(0xc0a00000)
+});
+
 /**
  * @see http://www.itu.int/rec/T-REC-T.125-199802-I/en page 25
  * @returns {asn1.univ.Sequence}
@@ -126,7 +150,10 @@ function MCS(transport, recvOpCode, sendOpCode) {
 	this.transport = transport;
 	this.recvOpCode = recvOpCode;
 	this.sendOpCode = sendOpCode;
-	this.channels = [{id : Channel.MCS_GLOBAL_CHANNEL, name : 'global'}];
+    this.channels = [
+        { id: Channel.MCS_GLOBAL_CHANNEL, name: 'global' },
+        { id: Channel.MCS_CLIPRDR_CHANNEL, name: 'cliprdr' }
+    ];
 	this.channels.find = function(callback) {
 		for(var i in this) {
 			if(callback(this[i])) return this[i];
@@ -207,8 +234,9 @@ function Client(transport) {
 	this.channelsConnected = 0;
 	
 	// init gcc information
-	this.clientCoreData = gcc.clientCoreData();
+    this.clientCoreData = gcc.clientCoreData();
-	this.clientNetworkData = gcc.clientNetworkData(new type.Component([]));
+    // cliprdr channel
+    this.clientNetworkData = gcc.clientNetworkData(new type.Component([RdpdrChannelDef, CliprdrChannelDef, RdpsndChannelDef]));
 	this.clientSecurityData = gcc.clientSecurityData();
 	
 	// must be readed from protocol
@@ -317,7 +345,8 @@ Client.prototype.recvChannelJoinConfirm = function(s) {
     
     var channelId = per.readInteger16(s);
 
-    if ((confirm !== 0) && (channelId === Channel.MCS_GLOBAL_CHANNEL || channelId === this.userId)) {
+    //if ((confirm !== 0) && (channelId === Channel.MCS_GLOBAL_CHANNEL || channelId === this.userId)) {
+    if ((confirm !== 0) && (channelId === Channel.MCS_CLIPRDR_CHANNEL || channelId === Channel.MCS_GLOBAL_CHANNEL || channelId === this.userId)) {
     	throw new error.UnexpectedFatalError('NODE_RDP_PROTOCOL_T125_MCS_SERVER_MUST_CONFIRM_STATIC_CHANNEL');
     }
     

rdp/security/md4.js

@@ -121,7 +121,7 @@
       } else if (message.length === undefined) {
         return method(message);
       }
-      return crypto.createHash('md4').update(new Buffer(message)).digest('hex');
+      return crypto.createHash('md4').update(Buffer.from(message)).digest('hex');
     };
     return nodeMethod;
   };

views/default.handlebars

@@ -7566,7 +7566,7 @@
             if ((navigator.clipboard != null) && (navigator.clipboard.readText != null)) {
                 try {
                     navigator.clipboard.readText().then(function(text) {
-                        meshserver.send({ action: 'msg', type: 'setclip', nodeid: currentNode._id, data: text });
+                        if (desktop.m.setClipboard) { desktop.m.setClipboard(text); } else { meshserver.send({ action: 'msg', type: 'setclip', nodeid: currentNode._id, data: text }); }
                     }).catch(function(err) { console.log(err); });
                 } catch (ex) { console.log(ex); }
             }
@@ -8332,7 +8332,8 @@
             var hwonline = ((currentNode.conn & 6) != 0); // If CIRA (2) or AMT (4) connected, enable hardware terminal
             QE('connectbutton1h', hwonline);
             QV('deskFocusBtn', (desktop != null) && (desktop.contype == 2) && (deskState != 0) && (desktopsettings.showfocus));
-            QE('DeskClip', (deskState == 3) && (desktop.contype != 4));
+            QE('DeskClip', deskState == 3);
+            //QE('DeskClip', (deskState == 3) && (desktop.contype != 4));
             QV('DeskClip', (inputAllowed) && (currentNode.agent) && ((features2 & 0x1800) != 0x1800) && (currentNode.agent.id != 11) && (currentNode.agent.id != 16) && ((desktop == null) || (desktop.contype != 2)) && ((desktopsettings.autoclipboard != true) || (navigator.clipboard == null) || (navigator.clipboard.readText == null))); // Clipboard not supported on macOS
             QE('DeskESC', (deskState == 3) && (desktop.contype != 4));
             QV('DeskESC', browserfullscreen && inputAllowed);
@@ -8737,7 +8738,7 @@
                     try {
                         navigator.clipboard.readText().then(function(text) {
                             if ((text != null) && (deskLastClipboardSent != text)) {
-                                meshserver.send({ action: 'msg', type: 'setclip', nodeid: currentNode._id, data: text });
+                                if (desktop.m.setClipboard) { desktop.m.setClipboard(text); } else { meshserver.send({ action: 'msg', type: 'setclip', nodeid: currentNode._id, data: text }); }
                                 deskLastClipboardSent = text;
                             }
                         }).catch(function(err) { });
@@ -9323,8 +9324,12 @@
 
         function showDeskClipSet() {
             if (desktop == null || desktop.State != 3) return;
-            meshserver.send({ action: 'msg', type: 'setclip', nodeid: currentNode._id, data: Q('d2clipText').value });
+            if (desktop.m.setClipboard) {
-            QV('linuxClipWarn', currentNode && currentNode.agent && (currentNode.agent.id > 4) && (currentNode.agent.id != 21) && (currentNode.agent.id != 22) && (currentNode.agent.id != 34));
+                desktop.m.setClipboard(Q('d2clipText').value);
+            } else {
+                meshserver.send({ action: 'msg', type: 'setclip', nodeid: currentNode._id, data: Q('d2clipText').value });
+                QV('linuxClipWarn', currentNode && currentNode.agent && (currentNode.agent.id > 4) && (currentNode.agent.id != 21) && (currentNode.agent.id != 22) && (currentNode.agent.id != 34));
+            }
         }
 
         // Send CTRL-ALT-DEL