mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-18 03:11:57 +03:00
467 lines
25 KiB
JavaScript
467 lines
25 KiB
JavaScript
|
|
var http = require('http');
|
|
var childProcess = require('child_process');
|
|
var meshCoreObj = { "action": "coreinfo", "value": "MeshCore Recovery", "caps": 14 }; // Capability bitmask: 1 = Desktop, 2 = Terminal, 4 = Files, 8 = Console, 16 = JavaScript
|
|
var nextTunnelIndex = 1;
|
|
var tunnels = {};
|
|
var fs = require('fs');
|
|
|
|
//attachDebugger({ webport: 9994, wait: 1 }).then(function (p) { console.log('Debug on port: ' + p); });
|
|
|
|
function sendConsoleText(msg)
|
|
{
|
|
require('MeshAgent').SendCommand({ "action": "msg", "type": "console", "value": msg });
|
|
}
|
|
// Return p number of spaces
|
|
function addPad(p, ret) { var r = ''; for (var i = 0; i < p; i++) { r += ret; } return r; }
|
|
|
|
var path =
|
|
{
|
|
join: function ()
|
|
{
|
|
var x = [];
|
|
for (var i in arguments)
|
|
{
|
|
var w = arguments[i];
|
|
if (w != null)
|
|
{
|
|
while (w.endsWith('/') || w.endsWith('\\')) { w = w.substring(0, w.length - 1); }
|
|
if (i != 0)
|
|
{
|
|
while (w.startsWith('/') || w.startsWith('\\')) { w = w.substring(1); }
|
|
}
|
|
x.push(w);
|
|
}
|
|
}
|
|
if (x.length == 0) return '/';
|
|
return x.join('/');
|
|
}
|
|
};
|
|
// Convert an object to string with all functions
|
|
function objToString(x, p, pad, ret) {
|
|
if (ret == undefined) ret = '';
|
|
if (p == undefined) p = 0;
|
|
if (x == null) { return '[null]'; }
|
|
if (p > 8) { return '[...]'; }
|
|
if (x == undefined) { return '[undefined]'; }
|
|
if (typeof x == 'string') { if (p == 0) return x; return '"' + x + '"'; }
|
|
if (typeof x == 'buffer') { return '[buffer]'; }
|
|
if (typeof x != 'object') { return x; }
|
|
var r = '{' + (ret ? '\r\n' : ' ');
|
|
for (var i in x) { if (i != '_ObjectID') { r += (addPad(p + 2, pad) + i + ': ' + objToString(x[i], p + 2, pad, ret) + (ret ? '\r\n' : ' ')); } }
|
|
return r + addPad(p, pad) + '}';
|
|
}
|
|
|
|
// Split a string taking into account the quoats. Used for command line parsing
|
|
function splitArgs(str)
|
|
{
|
|
var myArray = [], myRegexp = /[^\s"]+|"([^"]*)"/gi;
|
|
do { var match = myRegexp.exec(str); if (match != null) { myArray.push(match[1] ? match[1] : match[0]); } } while (match != null);
|
|
return myArray;
|
|
}
|
|
|
|
// Parse arguments string array into an object
|
|
function parseArgs(argv)
|
|
{
|
|
var results = { '_': [] }, current = null;
|
|
for (var i = 1, len = argv.length; i < len; i++) {
|
|
var x = argv[i];
|
|
if (x.length > 2 && x[0] == '-' && x[1] == '-') {
|
|
if (current != null) { results[current] = true; }
|
|
current = x.substring(2);
|
|
} else {
|
|
if (current != null) { results[current] = toNumberIfNumber(x); current = null; } else { results['_'].push(toNumberIfNumber(x)); }
|
|
}
|
|
}
|
|
if (current != null) { results[current] = true; }
|
|
return results;
|
|
}
|
|
// Get server target url with a custom path
|
|
function getServerTargetUrl(path)
|
|
{
|
|
var x = require('MeshAgent').ServerUrl;
|
|
//sendConsoleText("mesh.ServerUrl: " + mesh.ServerUrl);
|
|
if (x == null) { return null; }
|
|
if (path == null) { path = ''; }
|
|
x = http.parseUri(x);
|
|
if (x == null) return null;
|
|
return x.protocol + '//' + x.host + ':' + x.port + '/' + path;
|
|
}
|
|
|
|
// Get server url. If the url starts with "*/..." change it, it not use the url as is.
|
|
function getServerTargetUrlEx(url)
|
|
{
|
|
if (url.substring(0, 2) == '*/') { return getServerTargetUrl(url.substring(2)); }
|
|
return url;
|
|
}
|
|
|
|
require('MeshAgent').on('Connected', function ()
|
|
{
|
|
require('os').name().then(function (v)
|
|
{
|
|
sendConsoleText("Mesh Agent Receovery Console, OS: " + v);
|
|
require('MeshAgent').SendCommand(meshCoreObj);
|
|
});
|
|
});
|
|
|
|
// Tunnel callback operations
|
|
function onTunnelUpgrade(response, s, head) {
|
|
this.s = s;
|
|
s.httprequest = this;
|
|
s.end = onTunnelClosed;
|
|
s.tunnel = this;
|
|
|
|
//sendConsoleText('onTunnelUpgrade');
|
|
|
|
if (this.tcpport != null) {
|
|
// This is a TCP relay connection, pause now and try to connect to the target.
|
|
s.pause();
|
|
s.data = onTcpRelayServerTunnelData;
|
|
var connectionOptions = { port: parseInt(this.tcpport) };
|
|
if (this.tcpaddr != null) { connectionOptions.host = this.tcpaddr; } else { connectionOptions.host = '127.0.0.1'; }
|
|
s.tcprelay = net.createConnection(connectionOptions, onTcpRelayTargetTunnelConnect);
|
|
s.tcprelay.peerindex = this.index;
|
|
} else {
|
|
// This is a normal connect for KVM/Terminal/Files
|
|
s.data = onTunnelData;
|
|
}
|
|
}
|
|
|
|
require('MeshAgent').AddCommandHandler(function (data)
|
|
{
|
|
if (typeof data == 'object')
|
|
{
|
|
// If this is a console command, parse it and call the console handler
|
|
switch (data.action)
|
|
{
|
|
case 'msg':
|
|
{
|
|
switch (data.type)
|
|
{
|
|
case 'console': { // Process a console command
|
|
if (data.value && data.sessionid)
|
|
{
|
|
var args = splitArgs(data.value);
|
|
processConsoleCommand(args[0].toLowerCase(), parseArgs(args), data.rights, data.sessionid);
|
|
}
|
|
break;
|
|
}
|
|
case 'tunnel':
|
|
{
|
|
if (data.value != null) { // Process a new tunnel connection request
|
|
// Create a new tunnel object
|
|
var xurl = getServerTargetUrlEx(data.value);
|
|
if (xurl != null) {
|
|
var woptions = http.parseUri(xurl);
|
|
woptions.rejectUnauthorized = 0;
|
|
//sendConsoleText(JSON.stringify(woptions));
|
|
var tunnel = http.request(woptions);
|
|
tunnel.on('upgrade', function (response, s, head)
|
|
{
|
|
this.s = s;
|
|
s.httprequest = this;
|
|
s.tunnel = this;
|
|
s.on('end', function ()
|
|
{
|
|
if (tunnels[this.httprequest.index] == null) return; // Stop duplicate calls.
|
|
|
|
// If there is a upload or download active on this connection, close the file
|
|
if (this.httprequest.uploadFile) { fs.closeSync(this.httprequest.uploadFile); this.httprequest.uploadFile = undefined; }
|
|
if (this.httprequest.downloadFile) { fs.closeSync(this.httprequest.downloadFile); this.httprequest.downloadFile = undefined; }
|
|
|
|
|
|
//sendConsoleText("Tunnel #" + this.httprequest.index + " closed.", this.httprequest.sessionid);
|
|
delete tunnels[this.httprequest.index];
|
|
|
|
// Clean up WebSocket
|
|
this.removeAllListeners('data');
|
|
});
|
|
s.on('data', function (data)
|
|
{
|
|
// If this is upload data, save it to file
|
|
if (this.httprequest.uploadFile)
|
|
{
|
|
try { fs.writeSync(this.httprequest.uploadFile, data); } catch (e) { this.write(new Buffer(JSON.stringify({ action: 'uploaderror' }))); return; } // Write to the file, if there is a problem, error out.
|
|
this.write(new Buffer(JSON.stringify({ action: 'uploadack', reqid: this.httprequest.uploadFileid }))); // Ask for more data
|
|
return;
|
|
}
|
|
|
|
if (this.httprequest.state == 0) {
|
|
// Check if this is a relay connection
|
|
if (data == 'c') { this.httprequest.state = 1; sendConsoleText("Tunnel #" + this.httprequest.index + " now active", this.httprequest.sessionid); }
|
|
} else {
|
|
// Handle tunnel data
|
|
if (this.httprequest.protocol == 0)
|
|
{
|
|
// Take a look at the protocol
|
|
this.httprequest.protocol = parseInt(data);
|
|
if (typeof this.httprequest.protocol != 'number') { this.httprequest.protocol = 0; }
|
|
if (this.httprequest.protocol == 1)
|
|
{
|
|
// Remote terminal using native pipes
|
|
if (process.platform == "win32")
|
|
{
|
|
this.httprequest._term = require('win-terminal').Start(80, 25);
|
|
this.httprequest._term.pipe(this, { dataTypeSkip: 1 });
|
|
this.pipe(this.httprequest._term, { dataTypeSkip: 1, end: false });
|
|
this.prependListener('end', function () { this.httprequest._term.end(function () { sendConsoleText('Terminal was closed'); }); });
|
|
}
|
|
else
|
|
{
|
|
this.httprequest.process = childProcess.execFile("/bin/sh", ["sh"], { type: childProcess.SpawnTypes.TERM });
|
|
this.httprequest.process.tunnel = this;
|
|
this.httprequest.process.on('exit', function (ecode, sig) { this.tunnel.end(); });
|
|
this.httprequest.process.stderr.on('data', function (chunk) { this.parent.tunnel.write(chunk); });
|
|
this.httprequest.process.stdout.pipe(this, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
|
|
this.pipe(this.httprequest.process.stdin, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
|
|
this.prependListener('end', function () { this.httprequest.process.kill(); });
|
|
}
|
|
|
|
this.on('end', function () {
|
|
if (process.platform == "win32")
|
|
{
|
|
// Unpipe the web socket
|
|
this.unpipe(this.httprequest._term);
|
|
this.httprequest._term.unpipe(this);
|
|
|
|
// Clean up
|
|
this.httprequest._term.end();
|
|
this.httprequest._term = null;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
else if (this.httprequest.protocol == 5)
|
|
{
|
|
// Process files commands
|
|
var cmd = null;
|
|
try { cmd = JSON.parse(data); } catch (e) { };
|
|
if (cmd == null) { return; }
|
|
if ((cmd.ctrlChannel == '102938') || ((cmd.type == 'offer') && (cmd.sdp != null))) { return; } // If this is control data, handle it now.
|
|
if (cmd.action == undefined) { return; }
|
|
console.log('action: ', cmd.action);
|
|
|
|
//sendConsoleText('CMD: ' + JSON.stringify(cmd));
|
|
|
|
if ((cmd.path != null) && (process.platform != 'win32') && (cmd.path[0] != '/')) { cmd.path = '/' + cmd.path; } // Add '/' to paths on non-windows
|
|
//console.log(objToString(cmd, 0, ' '));
|
|
switch (cmd.action)
|
|
{
|
|
case 'ls':
|
|
// Send the folder content to the browser
|
|
var response = getDirectoryInfo(cmd.path);
|
|
if (cmd.reqid != undefined) { response.reqid = cmd.reqid; }
|
|
this.write(new Buffer(JSON.stringify(response)));
|
|
break;
|
|
case 'mkdir': {
|
|
// Create a new empty folder
|
|
fs.mkdirSync(cmd.path);
|
|
break;
|
|
}
|
|
case 'rm': {
|
|
// Delete, possibly recursive delete
|
|
for (var i in cmd.delfiles)
|
|
{
|
|
try { deleteFolderRecursive(path.join(cmd.path, cmd.delfiles[i]), cmd.rec); } catch (e) { }
|
|
}
|
|
break;
|
|
}
|
|
case 'rename': {
|
|
// Rename a file or folder
|
|
var oldfullpath = path.join(cmd.path, cmd.oldname);
|
|
var newfullpath = path.join(cmd.path, cmd.newname);
|
|
try { fs.renameSync(oldfullpath, newfullpath); } catch (e) { console.log(e); }
|
|
break;
|
|
}
|
|
case 'upload': {
|
|
// Upload a file, browser to agent
|
|
if (this.httprequest.uploadFile != undefined) { fs.closeSync(this.httprequest.uploadFile); this.httprequest.uploadFile = undefined; }
|
|
if (cmd.path == undefined) break;
|
|
var filepath = cmd.name ? path.join(cmd.path, cmd.name) : cmd.path;
|
|
try { this.httprequest.uploadFile = fs.openSync(filepath, 'wbN'); } catch (e) { this.write(new Buffer(JSON.stringify({ action: 'uploaderror', reqid: cmd.reqid }))); break; }
|
|
this.httprequest.uploadFileid = cmd.reqid;
|
|
if (this.httprequest.uploadFile) { this.write(new Buffer(JSON.stringify({ action: 'uploadstart', reqid: this.httprequest.uploadFileid }))); }
|
|
break;
|
|
}
|
|
case 'copy': {
|
|
// Copy a bunch of files from scpath to dspath
|
|
for (var i in cmd.names) {
|
|
var sc = path.join(cmd.scpath, cmd.names[i]), ds = path.join(cmd.dspath, cmd.names[i]);
|
|
if (sc != ds) { try { fs.copyFileSync(sc, ds); } catch (e) { } }
|
|
}
|
|
break;
|
|
}
|
|
case 'move': {
|
|
// Move a bunch of files from scpath to dspath
|
|
for (var i in cmd.names) {
|
|
var sc = path.join(cmd.scpath, cmd.names[i]), ds = path.join(cmd.dspath, cmd.names[i]);
|
|
if (sc != ds) { try { fs.copyFileSync(sc, ds); fs.unlinkSync(sc); } catch (e) { } }
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
});
|
|
tunnel.onerror = function (e) { sendConsoleText('ERROR: ' + JSON.stringify(e)); }
|
|
tunnel.sessionid = data.sessionid;
|
|
tunnel.rights = data.rights;
|
|
tunnel.state = 0;
|
|
tunnel.url = xurl;
|
|
tunnel.protocol = 0;
|
|
tunnel.tcpaddr = data.tcpaddr;
|
|
tunnel.tcpport = data.tcpport;
|
|
tunnel.end();
|
|
// Put the tunnel in the tunnels list
|
|
var index = nextTunnelIndex++;
|
|
tunnel.index = index;
|
|
tunnels[index] = tunnel;
|
|
|
|
//sendConsoleText('New tunnel connection #' + index + ': ' + tunnel.url + ', rights: ' + tunnel.rights, data.sessionid);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
// Unknown action, ignore it.
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
// Unknown action, ignore it.
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
function processConsoleCommand(cmd, args, rights, sessionid)
|
|
{
|
|
try
|
|
{
|
|
var response = null;
|
|
switch (cmd)
|
|
{
|
|
case 'help':
|
|
response = 'Available commands are: osinfo, dbkeys, dbget, dbset, dbcompact, netinfo.';
|
|
break;
|
|
|
|
case 'osinfo': { // Return the operating system information
|
|
var i = 1;
|
|
if (args['_'].length > 0) { i = parseInt(args['_'][0]); if (i > 8) { i = 8; } response = 'Calling ' + i + ' times.'; }
|
|
for (var j = 0; j < i; j++) {
|
|
var pr = require('os').name();
|
|
pr.sessionid = sessionid;
|
|
pr.then(function (v) { sendConsoleText("OS: " + v, this.sessionid); });
|
|
}
|
|
break;
|
|
}
|
|
case 'dbkeys': { // Return all data store keys
|
|
response = JSON.stringify(db.Keys);
|
|
break;
|
|
}
|
|
case 'dbget': { // Return the data store value for a given key
|
|
if (db == null) { response = 'Database not accessible.'; break; }
|
|
if (args['_'].length != 1) {
|
|
response = 'Proper usage: dbget (key)'; // Display the value for a given database key
|
|
} else {
|
|
response = db.Get(args['_'][0]);
|
|
}
|
|
break;
|
|
}
|
|
case 'dbset': { // Set a data store key and value pair
|
|
if (db == null) { response = 'Database not accessible.'; break; }
|
|
if (args['_'].length != 2) {
|
|
response = 'Proper usage: dbset (key) (value)'; // Set a database key
|
|
} else {
|
|
var r = db.Put(args['_'][0], args['_'][1]);
|
|
response = 'Key set: ' + r;
|
|
}
|
|
break;
|
|
}
|
|
case 'dbcompact': { // Compact the data store
|
|
if (db == null) { response = 'Database not accessible.'; break; }
|
|
var r = db.Compact();
|
|
response = 'Database compacted: ' + r;
|
|
break;
|
|
}
|
|
case 'tunnels': { // Show the list of current tunnels
|
|
response = '';
|
|
for (var i in tunnels) { response += 'Tunnel #' + i + ', ' + tunnels[i].url + '\r\n'; }
|
|
if (response == '') { response = 'No websocket sessions.'; }
|
|
break;
|
|
}
|
|
case 'netinfo': { // Show network interface information
|
|
//response = objToString(mesh.NetInfo, 0, ' ');
|
|
var interfaces = require('os').networkInterfaces();
|
|
response = objToString(interfaces, 0, ' ', true);
|
|
break;
|
|
}
|
|
default: { // This is an unknown command, return an error message
|
|
response = 'Unknown command \"' + cmd + '\", type \"help\" for list of avaialble commands.';
|
|
break;
|
|
}
|
|
}
|
|
} catch (e) { response = 'Command returned an exception error: ' + e; console.log(e); }
|
|
if (response != null) { sendConsoleText(response, sessionid); }
|
|
}
|
|
|
|
// Get a formated response for a given directory path
|
|
function getDirectoryInfo(reqpath)
|
|
{
|
|
var response = { path: reqpath, dir: [] };
|
|
if (((reqpath == undefined) || (reqpath == '')) && (process.platform == 'win32')) {
|
|
// List all the drives in the root, or the root itself
|
|
var results = null;
|
|
try { results = fs.readDrivesSync(); } catch (e) { } // TODO: Anyway to get drive total size and free space? Could draw a progress bar.
|
|
if (results != null) {
|
|
for (var i = 0; i < results.length; ++i) {
|
|
var drive = { n: results[i].name, t: 1 };
|
|
if (results[i].type == 'REMOVABLE') { drive.dt = 'removable'; } // TODO: See if this is USB/CDROM or something else, we can draw icons.
|
|
response.dir.push(drive);
|
|
}
|
|
}
|
|
} else {
|
|
// List all the files and folders in this path
|
|
if (reqpath == '') { reqpath = '/'; }
|
|
var results = null, xpath = path.join(reqpath, '*');
|
|
//if (process.platform == "win32") { xpath = xpath.split('/').join('\\'); }
|
|
try { results = fs.readdirSync(xpath); } catch (e) { }
|
|
if (results != null) {
|
|
for (var i = 0; i < results.length; ++i) {
|
|
if ((results[i] != '.') && (results[i] != '..')) {
|
|
var stat = null, p = path.join(reqpath, results[i]);
|
|
//if (process.platform == "win32") { p = p.split('/').join('\\'); }
|
|
try { stat = fs.statSync(p); } catch (e) { } // TODO: Get file size/date
|
|
if ((stat != null) && (stat != undefined)) {
|
|
if (stat.isDirectory() == true) {
|
|
response.dir.push({ n: results[i], t: 2, d: stat.mtime });
|
|
} else {
|
|
response.dir.push({ n: results[i], t: 3, s: stat.size, d: stat.mtime });
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return response;
|
|
}
|
|
// Delete a directory with a files and directories within it
|
|
function deleteFolderRecursive(path, rec) {
|
|
if (fs.existsSync(path)) {
|
|
if (rec == true) {
|
|
fs.readdirSync(path.join(path, '*')).forEach(function (file, index) {
|
|
var curPath = path.join(path, file);
|
|
if (fs.statSync(curPath).isDirectory()) { // recurse
|
|
deleteFolderRecursive(curPath, true);
|
|
} else { // delete file
|
|
fs.unlinkSync(curPath);
|
|
}
|
|
});
|
|
}
|
|
fs.unlinkSync(path);
|
|
}
|
|
};
|