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XTerm improvements.

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This commit is contained in:
Ylian Saint-Hilaire 2020-01-24 12:49:41 -08:00
parent 04a8804ff1
commit 58029d3b16
4 changed files with 139 additions and 102 deletions
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207
agents/meshcore.js
View File

@ -1212,11 +1212,15 @@ function createMeshCore(agent) {
var python = fs.existsSync('/usr/bin/python') ? '/usr/bin/python' : false;
var shell = bash || sh;
var options = { uid: (this.httprequest.protocol == 8) ? require('user-sessions').consoleUid() : null, env: { HISTCONTROL: 'ignoreboth', TERM: 'xterm' } };
var setupcommands = 'alias ls=\'ls --color=auto\'\n';
if (shell == sh) setupcommands += 'stty erase ^H\n';
setupcommands += 'clear\n';
var env = { HISTCONTROL: 'ignoreboth', TERM: 'xterm' }; // LINES: '100', COLUMNS: '100'
if (this.httprequest.xoptions) {
if (this.httprequest.xoptions.rows) { env.LINES = ('' + this.httprequest.xoptions.rows); }
if (this.httprequest.xoptions.cols) { env.COLUMNS = ('' + this.httprequest.xoptions.cols); }
}
var options = { uid: (this.httprequest.protocol == 8) ? require('user-sessions').consoleUid() : null, env: env };
var setupcommands = ' alias ls=\'ls --color=auto\'\n';
if (shell == sh) setupcommands += ' stty erase ^H\n';
setupcommands += ' clear\n';
if (script && shell && process.platform == 'linux') {
this.httprequest.process = childProcess.execFile(script, ['script', '--return', '--quiet', '-c', '"' + shell + '"', '/dev/null'], options); // Start as active user
@ -1760,94 +1764,119 @@ function createMeshCore(agent) {
return;
}
if (obj.type == 'options') {
// These are additional connection options passed in the control channel.
//sendConsoleText('options: ' + JSON.stringify(obj));
delete obj.type;
ws.httprequest.xoptions = obj;
} else if (obj.type == 'close') {
// We received the close on the websocket
//sendConsoleText('Tunnel #' + ws.tunnel.index + ' WebSocket control close');
try { ws.close(); } catch (e) { }
} else if (obj.type == 'webrtc0') { // Browser indicates we can start WebRTC switch-over.
if (ws.httprequest.protocol == 1) { // Terminal
// This is a terminal data stream, unpipe the terminal now and indicate to the other side that terminal data will no longer be received over WebSocket
if (process.platform == 'win32') {
ws.httprequest._term.unpipe(ws);
}
else {
ws.httprequest.process.stdout.unpipe(ws);
ws.httprequest.process.stderr.unpipe(ws);
}
} else if (ws.httprequest.protocol == 2) { // Desktop
// This is a KVM data stream, unpipe the KVM now and indicate to the other side that KVM data will no longer be received over WebSocket
ws.httprequest.desktop.kvm.unpipe(ws);
} else {
// Switch things around so all WebRTC data goes to onTunnelData().
ws.rtcchannel.httprequest = ws.httprequest;
ws.rtcchannel.removeAllListeners('data');
ws.rtcchannel.on('data', onTunnelData);
switch (obj.type) {
case 'options': {
// These are additional connection options passed in the control channel.
//sendConsoleText('options: ' + JSON.stringify(obj));
delete obj.type;
ws.httprequest.xoptions = obj;
break;
}
ws.write("{\"ctrlChannel\":\"102938\",\"type\":\"webrtc1\"}"); // End of data marker
} else if (obj.type == 'webrtc1') {
if ((ws.httprequest.protocol == 1) || (ws.httprequest.protocol == 6)) { // Terminal
// Switch the user input from websocket to webrtc at this point.
if (process.platform == 'win32') {
ws.unpipe(ws.httprequest._term);
ws.rtcchannel.pipe(ws.httprequest._term, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
}
else {
ws.unpipe(ws.httprequest.process.stdin);
ws.rtcchannel.pipe(ws.httprequest.process.stdin, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
}
ws.resume(); // Resume the websocket to keep receiving control data
} else if (ws.httprequest.protocol == 2) { // Desktop
// Switch the user input from websocket to webrtc at this point.
ws.unpipe(ws.httprequest.desktop.kvm);
try { ws.webrtc.rtcchannel.pipe(ws.httprequest.desktop.kvm, { dataTypeSkip: 1, end: false }); } catch (e) { sendConsoleText('EX2'); } // 0 = Binary, 1 = Text.
ws.resume(); // Resume the websocket to keep receiving control data
case 'close': {
// We received the close on the websocket
//sendConsoleText('Tunnel #' + ws.tunnel.index + ' WebSocket control close');
try { ws.close(); } catch (e) { }
break;
}
ws.write('{\"ctrlChannel\":\"102938\",\"type\":\"webrtc2\"}'); // Indicates we will no longer get any data on websocket, switching to WebRTC at this point.
} else if (obj.type == 'webrtc2') {
// Other side received websocket end of data marker, start sending data on WebRTC channel
if ((ws.httprequest.protocol == 1) || (ws.httprequest.protocol == 6)) { // Terminal
if (process.platform == 'win32') {
ws.httprequest._term.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
}
else {
ws.httprequest.process.stdout.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
ws.httprequest.process.stderr.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
}
} else if (ws.httprequest.protocol == 2) { // Desktop
ws.httprequest.desktop.kvm.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
}
} else if (obj.type == 'offer') {
// This is a WebRTC offer.
if ((ws.httprequest.protocol == 1) || (ws.httprequest.protocol == 6)) return; // TODO: Terminal is currently broken with WebRTC. Reject WebRTC upgrade for now.
ws.webrtc = rtc.createConnection();
ws.webrtc.websocket = ws;
ws.webrtc.on('connected', function () { /*sendConsoleText('Tunnel #' + this.websocket.tunnel.index + ' WebRTC connected');*/ });
ws.webrtc.on('disconnected', function () { /*sendConsoleText('Tunnel #' + this.websocket.tunnel.index + ' WebRTC disconnected');*/ });
ws.webrtc.on('dataChannel', function (rtcchannel) {
//sendConsoleText('WebRTC Datachannel open, protocol: ' + this.websocket.httprequest.protocol);
rtcchannel.xrtc = this;
rtcchannel.websocket = this.websocket;
this.rtcchannel = rtcchannel;
this.websocket.rtcchannel = rtcchannel;
this.websocket.rtcchannel.on('data', onTunnelWebRTCControlData);
this.websocket.rtcchannel.on('end', function () {
// The WebRTC channel closed, unpipe the KVM now. This is also done when the web socket closes.
//sendConsoleText('Tunnel #' + this.websocket.tunnel.index + ' WebRTC data channel closed');
if (this.websocket.desktop && this.websocket.desktop.kvm) {
this.unpipe(this.websocket.desktop.kvm);
this.websocket.httprequest.desktop.kvm.unpipe(this);
case 'termsize': {
if (ws.httprequest.protocol == 1) { // Terminal
// Indicates a change in terminal size
if (process.platform == 'win32') {
if (ws.httprequest._term == null) return;
//sendConsoleText('Win32-TermSize: ' + obj.cols + 'x' + obj.rows);
// TODO
} else {
if (ws.httprequest.process == null) return;
//sendConsoleText('Linux-TermSize: ' + obj.cols + 'x' + obj.rows);
// TODO
}
}
break;
}
case 'webrtc0': { // Browser indicates we can start WebRTC switch-over.
if (ws.httprequest.protocol == 1) { // Terminal
// This is a terminal data stream, unpipe the terminal now and indicate to the other side that terminal data will no longer be received over WebSocket
if (process.platform == 'win32') {
ws.httprequest._term.unpipe(ws);
} else {
ws.httprequest.process.stdout.unpipe(ws);
ws.httprequest.process.stderr.unpipe(ws);
}
} else if (ws.httprequest.protocol == 2) { // Desktop
// This is a KVM data stream, unpipe the KVM now and indicate to the other side that KVM data will no longer be received over WebSocket
ws.httprequest.desktop.kvm.unpipe(ws);
} else {
// Switch things around so all WebRTC data goes to onTunnelData().
ws.rtcchannel.httprequest = ws.httprequest;
ws.rtcchannel.removeAllListeners('data');
ws.rtcchannel.on('data', onTunnelData);
}
ws.write("{\"ctrlChannel\":\"102938\",\"type\":\"webrtc1\"}"); // End of data marker
break;
}
case 'webrtc1': {
if ((ws.httprequest.protocol == 1) || (ws.httprequest.protocol == 6)) { // Terminal
// Switch the user input from websocket to webrtc at this point.
if (process.platform == 'win32') {
ws.unpipe(ws.httprequest._term);
ws.rtcchannel.pipe(ws.httprequest._term, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
} else {
ws.unpipe(ws.httprequest.process.stdin);
ws.rtcchannel.pipe(ws.httprequest.process.stdin, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
}
ws.resume(); // Resume the websocket to keep receiving control data
} else if (ws.httprequest.protocol == 2) { // Desktop
// Switch the user input from websocket to webrtc at this point.
ws.unpipe(ws.httprequest.desktop.kvm);
try { ws.webrtc.rtcchannel.pipe(ws.httprequest.desktop.kvm, { dataTypeSkip: 1, end: false }); } catch (e) { sendConsoleText('EX2'); } // 0 = Binary, 1 = Text.
ws.resume(); // Resume the websocket to keep receiving control data
}
ws.write('{\"ctrlChannel\":\"102938\",\"type\":\"webrtc2\"}'); // Indicates we will no longer get any data on websocket, switching to WebRTC at this point.
break;
}
case 'webrtc2': {
// Other side received websocket end of data marker, start sending data on WebRTC channel
if ((ws.httprequest.protocol == 1) || (ws.httprequest.protocol == 6)) { // Terminal
if (process.platform == 'win32') {
ws.httprequest._term.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
} else {
ws.httprequest.process.stdout.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
ws.httprequest.process.stderr.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
}
} else if (ws.httprequest.protocol == 2) { // Desktop
ws.httprequest.desktop.kvm.pipe(ws.webrtc.rtcchannel, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
}
break;
}
case 'offer': {
// This is a WebRTC offer.
if ((ws.httprequest.protocol == 1) || (ws.httprequest.protocol == 6)) return; // TODO: Terminal is currently broken with WebRTC. Reject WebRTC upgrade for now.
ws.webrtc = rtc.createConnection();
ws.webrtc.websocket = ws;
ws.webrtc.on('connected', function () { /*sendConsoleText('Tunnel #' + this.websocket.tunnel.index + ' WebRTC connected');*/ });
ws.webrtc.on('disconnected', function () { /*sendConsoleText('Tunnel #' + this.websocket.tunnel.index + ' WebRTC disconnected');*/ });
ws.webrtc.on('dataChannel', function (rtcchannel) {
//sendConsoleText('WebRTC Datachannel open, protocol: ' + this.websocket.httprequest.protocol);
rtcchannel.xrtc = this;
rtcchannel.websocket = this.websocket;
this.rtcchannel = rtcchannel;
this.websocket.rtcchannel = rtcchannel;
this.websocket.rtcchannel.on('data', onTunnelWebRTCControlData);
this.websocket.rtcchannel.on('end', function () {
// The WebRTC channel closed, unpipe the KVM now. This is also done when the web socket closes.
//sendConsoleText('Tunnel #' + this.websocket.tunnel.index + ' WebRTC data channel closed');
if (this.websocket.desktop && this.websocket.desktop.kvm) {
this.unpipe(this.websocket.desktop.kvm);
this.websocket.httprequest.desktop.kvm.unpipe(this);
}
});
this.websocket.write('{\"ctrlChannel\":\"102938\",\"type\":\"webrtc0\"}'); // Indicate we are ready for WebRTC switch-over.
});
this.websocket.write('{\"ctrlChannel\":\"102938\",\"type\":\"webrtc0\"}'); // Indicate we are ready for WebRTC switch-over.
});
var sdp = null;
try { sdp = ws.webrtc.setOffer(obj.sdp); } catch (ex) { }
if (sdp != null) { ws.write({ type: 'answer', ctrlChannel: '102938', sdp: sdp }); }
var sdp = null;
try { sdp = ws.webrtc.setOffer(obj.sdp); } catch (ex) { }
if (sdp != null) { ws.write({ type: 'answer', ctrlChannel: '102938', sdp: sdp }); }
break;
}
}
}

2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "meshcentral",
"version": "0.4.7-s",
"version": "0.4.7-t",
"keywords": [
"Remote Management",
"Intel AMT",

4
public/scripts/common-0.0.1.js
View File

@ -34,8 +34,8 @@ function IntToStrX(v) { return String.fromCharCode(v & 0xFF, (v >> 8) & 0xFF, (v
function MakeToArray(v) { if (!v || v == null || typeof v == 'object') return v; return [v]; }
function SplitArray(v) { return v.split(','); }
function Clone(v) { return JSON.parse(JSON.stringify(v)); }
function EscapeHtml(x) { if (typeof x == "string") return x.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;'); if (typeof x == "boolean") return x; if (typeof x == "number") return x; }
function EscapeHtmlBreaks(x) { if (typeof x == "string") return x.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;').replace(/\r/g, '<br />').replace(/\n/g, '').replace(/\t/g, '&nbsp;&nbsp;'); if (typeof x == "boolean") return x; if (typeof x == "number") return x; }
function EscapeHtml(x) { if (typeof x == 'string') return x.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;'); if (typeof x == 'boolean') return x; if (typeof x == 'number') return x; }
function EscapeHtmlBreaks(x) { if (typeof x == 'string') return x.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;').replace(/\r/g, '<br />').replace(/\n/g, '').replace(/\t/g, '&nbsp;&nbsp;'); if (typeof x == 'boolean') return x; if (typeof x == 'number') return x; }
// Move an element from one position in an array to a new position
function ArrayElementMove(arr, from, to) { arr.splice(to, 0, arr.splice(from, 1)[0]); };

28
views/xterm.handlebars
View File

@ -18,7 +18,7 @@
</head>
<body style="overflow:hidden;background-color:black">
<div id=p11 class="noselect" style="overflow:hidden">
<div id=deskarea0>
<div id=deskarea0 style="position:relative">
<div id=deskarea1 class="areaHead">
<div class="toright2">
</div>
@ -36,7 +36,7 @@
<div id="bigfail" style="display:none;left:calc((100vh / 2))"><b>&#10007;</b></div>
<div id="metadatadiv" style="padding:20px;color:lightgrey;text-align:left;display:none"></div>
<div id=terminal style="max-height:calc(100vh - 54px);height:calc(100vh - 54px);"></div>
<div id=p11DeskConsoleMsg style="display:none;cursor:pointer;position:absolute;left:30px;top:17px;color:yellow;background-color:rgba(0,0,0,0.6);padding:10px;border-radius:5px" onclick=clearConsoleMsg()></div>
<div id=TermConsoleMsg style="cursor:pointer;z-index:10;position:absolute;left:30px;top:17px;color:yellow;background-color:rgba(0,0,0,0.6);padding:10px;border-radius:5px" onclick=clearConsoleMsg()></div>
</div>
<div id=deskarea4 class="areaHead">
<div class="toright2">
@ -75,6 +75,7 @@
var authRelayCookie = '{{{authRelayCookie}}}';
var serverPublicNamePort = '{{{serverDnsName}}}:{{{serverPublicPort}}}';
var StatusStrs = ["Disconnected", "Connecting...", "Setup...", "Connected", "Intel&reg; AMT Connected"];
var resizeTimer = null;
function start() {
// Parse any URL arguments
@ -123,6 +124,12 @@
return obj;
}
// Send the new terminal size to the agent
function sendResize() {
resizeTimer = null;
if ((term != null) && (tunnel != null)) { tunnel.sendCtrlMsg(JSON.stringify({ ctrlChannel: '102938', type: 'termsize', cols: term.cols, rows: term.rows })); }
}
// Called when the connect/disconnect button is pressed
function connectButton() {
if (!tunnel) {
@ -133,17 +140,15 @@
if (termfit) { term.loadAddon(termfit); }
term.open(Q('terminal'));
term.onData(function (data) { if (tunnel != null) { tunnel.sendText(data); } })
term.onResize(function (size) {
//console.log('Resize', size);
//term.resize(size.cols, size.rows);
//if (tunnel != null) { tunnel.send(String.fromCharCode(27) + '[8;' + size.cols + ';' + size.rows + 't') }
});
term.onResize(function (size) { if (resizeTimer == null) { resizeTimer = setTimeout(sendResize, 200); } });
if (termfit) { termfit.fit(); }
// Setup a terminal tunnel to the agent
tunnel = CreateAgentRedirect(meshserver, CreateRemoteTunnel(tunnelUpdate), serverPublicNamePort, authCookie, authRelayCookie, domainUrl);
tunnel.options = { cols: term.cols, rows: term.rows };
tunnel.Start(args.nodeid);
tunnel.onStateChanged = onTunnelStateChange;
tunnel.onConsoleMessageChange = function (server, msg) { setConsoleMsg(msg); };
} else {
tunnel.Stop();
}
@ -162,9 +167,7 @@
case 0:
// Disconnected, clear the terminal
term.dispose();
term = null;
termfit = null;
tunnel = null;
term = termfit = tunnel = null;
break;
case 3:
// Connected
@ -177,6 +180,11 @@
updateButtons();
}
// Console messages
var termConsoleMsgTimer = null;
function clearConsoleMsg() { QV('TermConsoleMsg', false); if (termConsoleMsgTimer) { clearTimeout(termConsoleMsgTimer); termConsoleMsgTimer = null; } }
function setConsoleMsg(msg) { QH('TermConsoleMsg', EscapeHtml(msg).split('\n').join('<br />')); QV('TermConsoleMsg', true); termConsoleMsgTimer = setTimeout(clearConsoleMsg, 8000); }
//
// POPUP DIALOG
//