mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-26 07:05:52 -05:00
1. Added Windows Terminal Fix (ConPTY Leak/Workaround) back in
2. Added python/script XOPTION 3. Changed resize to use tcsetsize if available 4. Added tunnel idleTimeout Ping
This commit is contained in:
Bryan Roe
parent
5479b21876
commit
14338bc4e6
@ -1140,117 +1140,160 @@ function createMeshCore(agent) {
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};
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// Remote terminal using native pipes
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if (process.platform == 'win32') {
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try {
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if (process.platform == 'win32')
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{
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try
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{
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var cols = 80, rows = 25;
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if (this.httprequest.xoptions) {
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if (this.httprequest.xoptions)
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{
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if (this.httprequest.xoptions.rows) { rows = this.httprequest.xoptions.rows; }
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if (this.httprequest.xoptions.cols) { cols = this.httprequest.xoptions.cols; }
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}
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if (!require('win-terminal').PowerShellCapable() && (this.httprequest.protocol == 6 || this.httprequest.protocol == 9)) { throw ('PowerShell is not supported on this version of windows'); }
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if ((this.httprequest.protocol == 1) || (this.httprequest.protocol == 6)) {
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if ((this.httprequest.protocol == 1) || (this.httprequest.protocol == 6))
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{
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// Admin Terminal
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if (require('win-virtual-terminal').supported) {
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if (require('win-virtual-terminal').supported)
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{
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// ConPTY PseudoTerminal
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this.httprequest._term = require('win-virtual-terminal')[this.httprequest.protocol == 6 ? 'StartPowerShell' : 'Start'](cols, rows);
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// this.httprequest._term = require('win-virtual-terminal')[this.httprequest.protocol == 6 ? 'StartPowerShell' : 'Start'](80, 25);
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// The above line is commented out, because there is a bug with ClosePseudoConsole() API, so this is the workaround
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this.httprequest._dispatcher = require('win-dispatcher').dispatch({ modules: [{ name: 'win-virtual-terminal', script: getJSModule('win-virtual-terminal') }], launch: { module: 'win-virtual-terminal', method: (this.httprequest.protocol == 9 ? 'StartPowerShell' : 'Start'), args: [cols, rows] } });
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this.httprequest._dispatcher.ws = this;
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this.httprequest._dispatcher.on('connection', function (c)
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{
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console.log('client connected');
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this.ws._term = c;
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c.pipe(this.ws, { dataTypeSkip: 1 });
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this.ws.pipe(c, { dataTypeSkip: 1 });
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});
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}
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else {
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else
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{
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// Legacy Terminal
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this.httprequest._term = require('win-terminal')[this.httprequest.protocol == 6 ? 'StartPowerShell' : 'Start'](cols, rows);
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}
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} else {
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}
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else
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{
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// Logged in user
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var userPromise = require('user-sessions').enumerateUsers();
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userPromise.that = this;
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userPromise.then(function (u) {
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userPromise.then(function (u)
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{
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var that = this.that;
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if (u.Active.length > 0) {
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if (u.Active.length > 0)
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{
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var username = u.Active[0].Username;
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if (require('win-virtual-terminal').supported) {
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if (require('win-virtual-terminal').supported)
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{
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// ConPTY PseudoTerminal
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that.httprequest._dispatcher = require('win-dispatcher').dispatch({ user: username, modules: [{ name: 'win-virtual-terminal', script: getJSModule('win-virtual-terminal') }], launch: { module: 'win-virtual-terminal', method: (that.httprequest.protocol == 9 ? 'StartPowerShell' : 'Start'), args: [cols, rows] } });
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} else {
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}
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else
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{
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// Legacy Terminal
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that.httprequest._dispatcher = require('win-dispatcher').dispatch({ user: username, modules: [{ name: 'win-terminal', script: getJSModule('win-terminal') }], launch: { module: 'win-terminal', method: (that.httprequest.protocol == 9 ? 'StartPowerShell' : 'Start'), args: [cols, rows] } });
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}
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that.httprequest._dispatcher.ws = that;
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that.httprequest._dispatcher.on('connection', function (c) {
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that.httprequest._dispatcher.on('connection', function (c)
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{
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console.log('client connected');
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this.ws._term = c;
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c.pipe(this.ws, { dataTypeSkip: 1 });
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this.ws.pipe(c, { dataTypeSkip: 1, end: false });
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this.ws.prependListener('end', function () {
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if (this.httprequest._term) { this.httprequest._term.end(function () { console.log("Terminal was closed"); }); }
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});
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this.ws.pipe(c, { dataTypeSkip: 1 });
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});
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}
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});
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});
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}
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} catch (e) {
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} catch (e)
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{
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MeshServerLog('Failed to start remote terminal session, ' + e.toString() + ' (' + this.httprequest.remoteaddr + ')', this.httprequest);
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this.write(JSON.stringify({ ctrlChannel: '102938', type: 'console', msg: e.toString() }));
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this.end();
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return;
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}
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if (!this.httprequest._dispatcher) {
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if (!this.httprequest._dispatcher)
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{
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this.httprequest._term.pipe(this, { dataTypeSkip: 1 });
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this.pipe(this.httprequest._term, { dataTypeSkip: 1, end: false });
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this.prependListener('end', function () { this.httprequest._term.end(function () { console.log("Terminal was closed"); }); });
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}
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} else {
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try {
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}
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else
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{
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try
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{
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var bash = fs.existsSync('/bin/bash') ? '/bin/bash' : false;
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var sh = fs.existsSync('/bin/sh') ? '/bin/sh' : false;
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var script = false;
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try {
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if (require('linux-gnome-helpers').scriptVersion) {
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if (require('linux-gnome-helpers').scriptVersion.major > 2 ||
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(require('linux-gnome-helpers').scriptVersion.major == 2 && require('linux-gnome-helpers').scriptVersion.minor >= 25)) {
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script = '/usr/bin/script';
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if (this.httprequest.xoptions.script)
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{
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try
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{
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if (require('linux-gnome-helpers').scriptVersion)
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{
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if (require('linux-gnome-helpers').scriptVersion.major > 2 ||
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(require('linux-gnome-helpers').scriptVersion.major == 2 && require('linux-gnome-helpers').scriptVersion.minor >= 25))
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{
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script = '/usr/bin/script';
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}
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}
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}
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} catch (ex) { }
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var python = fs.existsSync('/usr/bin/python') ? '/usr/bin/python' : false;
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} catch (ex) { }
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}
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var python = (this.httprequest.xoptions.python && fs.existsSync('/usr/bin/python')) ? '/usr/bin/python' : false;
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var shell = bash || sh;
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var pty = python || script;
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var env = { HISTCONTROL: 'ignoreboth', TERM: 'xterm' };
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if (this.httprequest.xoptions) {
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if (this.httprequest.xoptions)
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{
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if (this.httprequest.xoptions.rows) { env.LINES = ('' + this.httprequest.xoptions.rows); }
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if (this.httprequest.xoptions.cols) { env.COLUMNS = ('' + this.httprequest.xoptions.cols); }
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}
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var options = { uid: (this.httprequest.protocol == 8) ? require('user-sessions').consoleUid() : null, env: env };
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var setupcommands = ' alias ls=\'ls --color=auto\'\n';
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if (shell == sh) setupcommands += ' stty erase ^H\n';
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// Dynamic resizing is only supported in PTYs
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if (pty) setupcommands += ' mcresize() { old=$(stty -g);stty raw -echo min 0 time 5;printf \'\\0337\\033[r\\033[999;999H\\033[6n\\0338\' > /dev/tty;IFS=\'[;R\' read -r _ rows cols _ < /dev/tty;stty "$old";stty cols "$cols" rows "$rows"; };trap mcresize SIGWINCH;\n'
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if (script && shell && process.platform == 'linux') {
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if (script && shell && process.platform == 'linux')
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{
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this.httprequest.process = childProcess.execFile(script, ['script', '--return', '--quiet', '-c', '"' + shell + '"', '/dev/null'], options); // Start as active user
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this.httprequest.process.stdin.write(setupcommands);
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} else if (python && shell) {
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}
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else if (python && shell)
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{
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this.httprequest.process = childProcess.execFile(python, ['python', '-c', 'import pty; pty.spawn(["' + shell + '"])'], options); // Start as active user
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if (process.platform == 'linux') { this.httprequest.process.stdin.write(setupcommands); }
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} else if (bash) {
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}
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else if (bash)
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{
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options.type = childProcess.SpawnTypes.TERM;
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this.httprequest.process = childProcess.execFile(bash, ['bash', '-i'], options); // Start as active user
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if (process.platform == 'linux') { this.httprequest.process.stdin.write(setupcommands); }
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} else if (sh) {
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}
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else if (sh)
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{
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options.type = childProcess.SpawnTypes.TERM;
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this.httprequest.process = childProcess.execFile(sh, ['sh'], options); // Start as active user
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if (process.platform == 'linux') { this.httprequest.process.stdin.write(setupcommands + "PS1='$ '\n"); }
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} else {
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}
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else
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{
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MeshServerLog("Failed to start remote terminal session, no shell found");
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return;
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}
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} catch (e) {
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} catch (e)
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{
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MeshServerLog("Failed to start remote terminal session, " + e.toString() + ' (' + this.httprequest.remoteaddr + ')', this.httprequest);
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this.write(JSON.stringify({ ctrlChannel: '102938', type: 'console', msg: e.toString() }));
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this.end();
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return;
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}
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this.httprequest.process.pty = pty;
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if (this.httprequest.process.tcsetsize && this.httprequest.xoptions) { this.httprequest.process.tcsetsize(this.httprequest.xoptions.rows, this.httprequest.xoptions.cols); }
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this.httprequest.process.tunnel = this;
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this.httprequest.process.on('exit', function (ecode, sig) { this.tunnel.end(); });
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this.httprequest.process.stdin.write(" clear\n");
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@ -1786,17 +1829,17 @@ function createMeshCore(agent) {
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}
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case 'termsize': {
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// Indicates a change in terminal size
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if (process.platform == 'win32') {
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if (process.platform == 'win32')
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{
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if (ws.httprequest._term == null) return;
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//sendConsoleText('Win32-TermSize: ' + obj.cols + 'x' + obj.rows);
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// TODO
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} else {
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if (ws.httprequest.process == null || !ws.httprequest.process.pty) return;
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// ILibDuktape_ChildProcess kill doesn't support sending signals
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if (fs.existsSync('/bin/kill')) {
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// We need to send signal to the child of the process, since the child is the shell
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childProcess.execFile('/bin/bash', ['bash', '-c', 'kill -SIGWINCH $(pgrep -P ' + ws.httprequest.process.pid + ')']);
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}
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} else
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{
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if (ws.httprequest.process == null || ws.httprequest.process.pty == 0) return;
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//sendConsoleText('Linux Resize: ' + obj.cols + 'x' + obj.rows);
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if (ws.httprequest.process.tcsetsize) { ws.httprequest.process.tcsetsize(obj.rows, obj.cols); }
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}
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break;
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}
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