/** * @description MeshCentral main module * @author Ylian Saint-Hilaire * @copyright Intel Corporation 2018-2020 * @license Apache-2.0 * @version v0.0.1 */ /*xjslint node: true */ /*xjslint plusplus: true */ /*xjslint maxlen: 256 */ /*jshint node: true */ /*jshint strict: false */ /*jshint esversion: 6 */ "use strict"; // If running NodeJS less than version 8, try to polyfill promisify try { if (Number(process.version.match(/^v(\d+\.\d+)/)[1]) < 8) { require('util.promisify').shim(); } } catch (ex) { } // If app metrics is available if (process.argv[2] == '--launch') { try { require('appmetrics-dash').monitor({ url: '/', title: 'MeshCentral', port: 88, host: '127.0.0.1' }); } catch (e) { } } function CreateMeshCentralServer(config, args) { var obj = {}; obj.db = null; obj.webserver = null; obj.redirserver = null; obj.mpsserver = null; obj.apfserver = null; obj.mqttbroker = null; obj.swarmserver = null; obj.mailserver = null; obj.amtEventHandler = null; obj.pluginHandler = null; obj.amtScanner = null; obj.meshScanner = null; obj.letsencrypt = null; obj.eventsDispatch = {}; obj.fs = require('fs'); obj.path = require('path'); obj.crypto = require('crypto'); obj.exeHandler = require('./exeHandler.js'); obj.platform = require('os').platform(); obj.args = args; obj.common = require('./common.js'); obj.configurationFiles = null; obj.certificates = null; obj.connectivityByNode = {}; // This object keeps a list of all connected CIRA and agents, by nodeid->value (value: 1 = Agent, 2 = CIRA, 4 = AmtDirect) obj.peerConnectivityByNode = {}; // This object keeps a list of all connected CIRA and agents of peers, by serverid->nodeid->value (value: 1 = Agent, 2 = CIRA, 4 = AmtDirect) obj.debugSources = []; obj.debugRemoteSources = null; obj.config = config; // Configuration file obj.dbconfig = {}; // Persistance values, loaded from database obj.certificateOperations = null; obj.defaultMeshCmd = null; obj.defaultMeshCores = {}; obj.defaultMeshCoresHash = {}; obj.meshAgentBinaries = {}; // Mesh Agent Binaries, Architecture type --> { hash:(sha384 hash), size:(binary size), path:(binary path) } obj.meshAgentInstallScripts = {}; // Mesh Install Scripts, Script ID -- { hash:(sha384 hash), size:(binary size), path:(binary path) } obj.multiServer = null; obj.maintenanceTimer = null; obj.serverId = null; obj.serverKey = Buffer.from(obj.crypto.randomBytes(48), 'binary'); obj.loginCookieEncryptionKey = null; obj.invitationLinkEncryptionKey = null; obj.serverSelfWriteAllowed = true; obj.serverStatsCounter = Math.floor(Math.random() * 1000); obj.taskLimiter = obj.common.createTaskLimiterQueue(50, 20, 60); // (maxTasks, maxTaskTime, cleaningInterval) This is a task limiter queue to smooth out server work. obj.agentUpdateBlockSize = 65531; // MeshAgent update block size obj.serverWarnings = []; // List of warnings that should be shown to administrators obj.cookieUseOnceTable = {}; // List of cookies that are already expired obj.cookieUseOnceTableCleanCounter = 0; // Clean the cookieUseOnceTable each 20 additions // Server version obj.currentVer = null; function getCurrentVerion() { try { obj.currentVer = JSON.parse(obj.fs.readFileSync(obj.path.join(__dirname, 'package.json'), 'utf8')).version; } catch (e) { } return obj.currentVer; } // Fetch server version getCurrentVerion(); // Setup the default configuration and files paths if ((__dirname.endsWith('/node_modules/meshcentral')) || (__dirname.endsWith('\\node_modules\\meshcentral')) || (__dirname.endsWith('/node_modules/meshcentral/')) || (__dirname.endsWith('\\node_modules\\meshcentral\\'))) { obj.parentpath = obj.path.join(__dirname, '../..'); obj.datapath = obj.path.join(__dirname, '../../meshcentral-data'); obj.filespath = obj.path.join(__dirname, '../../meshcentral-files'); obj.backuppath = obj.path.join(__dirname, '../../meshcentral-backup'); obj.recordpath = obj.path.join(__dirname, '../../meshcentral-recordings'); obj.webPublicPath = obj.path.join(__dirname, 'public'); obj.webViewsPath = obj.path.join(__dirname, 'views'); if (obj.fs.existsSync(obj.path.join(__dirname, '../../meshcentral-web/views'))) { obj.webViewsOverridePath = obj.path.join(__dirname, '../../meshcentral-web/views'); } if (obj.fs.existsSync(obj.path.join(__dirname, '../../meshcentral-web/public'))) { obj.webPublicOverridePath = obj.path.join(__dirname, '../../meshcentral-web/public'); } } else { obj.parentpath = __dirname; obj.datapath = obj.path.join(__dirname, '../meshcentral-data'); obj.filespath = obj.path.join(__dirname, '../meshcentral-files'); obj.backuppath = obj.path.join(__dirname, '../meshcentral-backups'); obj.recordpath = obj.path.join(__dirname, '../meshcentral-recordings'); obj.webPublicPath = obj.path.join(__dirname, 'public'); obj.webViewsPath = obj.path.join(__dirname, 'views'); if (obj.fs.existsSync(obj.path.join(__dirname, '../meshcentral-web/views'))) { obj.webViewsOverridePath = obj.path.join(__dirname, '../meshcentral-web/views'); } if (obj.fs.existsSync(obj.path.join(__dirname, '../meshcentral-web/public'))) { obj.webPublicOverridePath = obj.path.join(__dirname, '../meshcentral-web/public'); } } // Look to see if data and/or file path is specified if (obj.config.settings && (typeof obj.config.settings.datapath == 'string')) { obj.datapath = obj.config.settings.datapath; } if (obj.config.settings && (typeof obj.config.settings.filespath == 'string')) { obj.filespath = obj.config.settings.filespath; } // Create data and files folders if needed try { obj.fs.mkdirSync(obj.datapath); } catch (e) { } try { obj.fs.mkdirSync(obj.filespath); } catch (e) { } // Windows Specific Code, setup service and event log obj.service = null; obj.servicelog = null; if (obj.platform == 'win32') { var nodewindows = require('node-windows'); obj.service = nodewindows.Service; var eventlogger = nodewindows.EventLogger; obj.servicelog = new eventlogger('MeshCentral'); } // Start the Meshcentral server obj.Start = function () { var i; try { require('./pass').hash('test', function () { }, 0); } catch (e) { console.log('Old version of node, must upgrade.'); return; } // TODO: Not sure if this test works or not. // Check for invalid arguments var validArguments = ['_', 'notls', 'user', 'port', 'aliasport', 'mpsport', 'mpsaliasport', 'redirport', 'rediraliasport', 'cert', 'mpscert', 'deletedomain', 'deletedefaultdomain', 'showall', 'showusers', 'showusergroups', 'shownodes', 'showmeshes', 'showevents', 'showsmbios', 'showpower', 'clearpower', 'showiplocations', 'help', 'exactports', 'xinstall', 'xuninstall', 'install', 'uninstall', 'start', 'stop', 'restart', 'debug', 'filespath', 'datapath', 'noagentupdate', 'launch', 'noserverbackup', 'mongodb', 'mongodbcol', 'wanonly', 'lanonly', 'nousers', 'mpspass', 'ciralocalfqdn', 'dbexport', 'dbexportmin', 'dbimport', 'dbmerge', 'dbencryptkey', 'selfupdate', 'tlsoffload', 'userallowedip', 'userblockedip', 'swarmallowedip', 'agentallowedip', 'agentblockedip', 'fastcert', 'swarmport', 'logintoken', 'logintokenkey', 'logintokengen', 'logintokengen', 'mailtokengen', 'admin', 'unadmin', 'sessionkey', 'sessiontime', 'minify', 'minifycore', 'dblistconfigfiles', 'dbshowconfigfile', 'dbpushconfigfiles', 'dbpullconfigfiles', 'dbdeleteconfigfiles', 'vaultpushconfigfiles', 'vaultpullconfigfiles', 'vaultdeleteconfigfiles', 'configkey', 'loadconfigfromdb', 'npmpath', 'memorytracking', 'serverid', 'recordencryptionrecode', 'vault', 'token', 'unsealkey', 'name', 'log', 'dbstats', 'translate']; for (var arg in obj.args) { obj.args[arg.toLocaleLowerCase()] = obj.args[arg]; if (validArguments.indexOf(arg.toLocaleLowerCase()) == -1) { console.log('Invalid argument "' + arg + '", use --help.'); return; } } if (obj.args.mongodb == true) { console.log('Must specify: --mongodb [connectionstring] \r\nSee https://docs.mongodb.com/manual/reference/connection-string/ for MongoDB connection string.'); return; } for (i in obj.config.settings) { obj.args[i] = obj.config.settings[i]; } // Place all settings into arguments, arguments have already been placed into settings so arguments take precedence. if ((obj.args.help == true) || (obj.args['?'] == true)) { console.log('MeshCentral v' + getCurrentVerion() + ', remote computer management web portal.'); console.log('This software is open source under Apache 2.0 licence.'); console.log('Details at: https://www.meshcommander.com/meshcentral2\r\n'); if ((obj.platform == 'win32') || (obj.platform == 'linux')) { console.log('Run as a background service'); console.log(' --install/uninstall Install MeshCentral as a background service.'); console.log(' --start/stop/restart Control MeshCentral background service.'); console.log(''); console.log('Run standalone, console application'); } console.log(' --notls Use HTTP instead of HTTPS for the main web server.'); console.log(' --user [username] Always login as [username] if account exists.'); console.log(' --port [number] Web server port number.'); console.log(' --mpsport [number] Intel AMT server port number.'); console.log(' --redirport [number] Creates an additional HTTP server to redirect users to the HTTPS server.'); console.log(' --exactports Server must run with correct ports or exit.'); console.log(' --noagentupdate Server will not update mesh agent native binaries.'); console.log(' --fastcert Generate weaker RSA2048 certificates.'); console.log(' --cert [name], (country), (org) Create a web server certificate with [name] server name.'); console.log(' country and organization can optionaly be set.'); return; } // Perform web site translations into different languages if (obj.args.translate) { // Check NodeJS version const NodeJSVer = Number(process.version.match(/^v(\d+\.\d+)/)[1]); if (NodeJSVer < 8) { console.log("Translation feature requires Node v8 or above, current version is " + process.version + "."); process.exit(); return; } // Check if translate.json is in the "meshcentral-data" folder, if so use that and translate default pages. var translationFile = null, customTranslation = false; if (require('fs').existsSync(obj.path.join(obj.datapath, 'translate.json'))) { translationFile = obj.path.join(obj.datapath, 'translate.json'); console.log("Using translate.json in meshentral-data."); customTranslation = true; } if (translationFile == null) { if (require('fs').existsSync(obj.path.join(__dirname, 'translate', 'translate.json'))) { translationFile = obj.path.join(__dirname, 'translate', 'translate.json'); console.log("Using default translate.json."); } } if (translationFile == null) { console.log("Unable to find translate.json."); process.exit(); return; } // Perform translation operations var didSomething = false; process.chdir('./translate'); var translateEngine = require('./translate/translate.js') if (customTranslation == true) { // Translate all of the default files using custom translation file translateEngine.startEx(['', '', 'minifyall']); translateEngine.startEx(['', '', 'translateall', translationFile]); translateEngine.startEx(['', '', 'extractall', translationFile]); didSomething = true; } // Check is "meshcentral-web" exists, if so, translate all pages in that folder. if (obj.webViewsOverridePath != null) { didSomething = true; var files = obj.fs.readdirSync(obj.webViewsOverridePath); for (var i in files) { var file = obj.path.join(obj.webViewsOverridePath, files[i]); if (file.endsWith('.handlebars') && !file.endsWith('-min.handlebars')) { translateEngine.startEx(['', '', 'translate', '*', translationFile, file, '--subdir:translations']); } } } if (obj.webPublicOverridePath != null) { didSomething = true; var files = obj.fs.readdirSync(obj.webPublicOverridePath); for (var i in files) { var file = obj.path.join(obj.webPublicOverridePath, files[i]); if (file.endsWith('.htm') && !file.endsWith('-min.htm')) { translateEngine.startEx(['', '', 'translate', '*', translationFile, file, '--subdir:translations']); } } } if (didSomething == false) { console.log("Nothing to do."); } process.exit(); return; } // Linux background service systemd handling if (obj.platform == 'linux') { if (obj.args.install == true) { // Install MeshCentral in Systemd console.log('Installing MeshCentral as background Service...'); var userinfo = require('os').userInfo(), systemdConf = null; if (require('fs').existsSync('/etc/systemd/system')) { systemdConf = '/etc/systemd/system/meshcentral.service'; } else if (require('fs').existsSync('/lib/systemd/system')) { systemdConf = '/lib/systemd/system/meshcentral.service'; } else if (require('fs').existsSync('/usr/lib/systemd/system')) { systemdConf = '/usr/lib/systemd/system/meshcentral.service'; } else { console.log('Unable to find systemd configuration folder.'); process.exit(); return; } console.log('Writing config file...'); require('child_process').exec('which node', {}, function (error, stdout, stderr) { if ((error != null) || (stdout.indexOf('\n') == -1)) { console.log('ERROR: Unable to get node location: ' + error); process.exit(); return; } var nodePath = stdout.substring(0, stdout.indexOf('\n')); var config = '[Unit]\nDescription=MeshCentral Server\n\n[Service]\nType=simple\nLimitNOFILE=1000000\nExecStart=' + nodePath + ' ' + __dirname + '/meshcentral\nWorkingDirectory=' + userinfo.homedir + '\nEnvironment=NODE_ENV=production\nUser=' + userinfo.username + '\nGroup=' + userinfo.username + '\nRestart=always\n# Restart service after 10 seconds if node service crashes\nRestartSec=10\n# Set port permissions capability\nAmbientCapabilities=cap_net_bind_service\n\n[Install]\nWantedBy=multi-user.target\n'; require('child_process').exec('echo \"' + config + '\" | sudo tee ' + systemdConf, {}, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to write config file: ' + error); process.exit(); return; } console.log('Enabling service...'); require('child_process').exec('sudo systemctl enable meshcentral.service', {}, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to enable MeshCentral as a service: ' + error); process.exit(); return; } if (stdout.length > 0) { console.log(stdout); } console.log('Starting service...'); require('child_process').exec('sudo systemctl start meshcentral.service', {}, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to start MeshCentral as a service: ' + error); process.exit(); return; } if (stdout.length > 0) { console.log(stdout); } console.log('Done.'); }); }); }); }); return; } else if (obj.args.uninstall == true) { // Uninstall MeshCentral in Systemd console.log('Uninstalling MeshCentral background service...'); var systemdConf = null; if (require('fs').existsSync('/etc/systemd/system')) { systemdConf = '/etc/systemd/system/meshcentral.service'; } else if (require('fs').existsSync('/lib/systemd/system')) { systemdConf = '/lib/systemd/system/meshcentral.service'; } else if (require('fs').existsSync('/usr/lib/systemd/system')) { systemdConf = '/usr/lib/systemd/system/meshcentral.service'; } else { console.log('Unable to find systemd configuration folder.'); process.exit(); return; } console.log('Stopping service...'); require('child_process').exec('sudo systemctl stop meshcentral.service', {}, function (err, stdout, stderr) { if ((err != null) && (err != '')) { console.log('ERROR: Unable to stop MeshCentral as a service: ' + err); } if (stdout.length > 0) { console.log(stdout); } console.log('Disabling service...'); require('child_process').exec('sudo systemctl disable meshcentral.service', {}, function (err, stdout, stderr) { if ((err != null) && (err != '')) { console.log('ERROR: Unable to disable MeshCentral as a service: ' + err); } if (stdout.length > 0) { console.log(stdout); } console.log('Removing config file...'); require('child_process').exec('sudo rm ' + systemdConf, {}, function (err, stdout, stderr) { if ((err != null) && (err != '')) { console.log('ERROR: Unable to delete MeshCentral config file: ' + err); } console.log('Done.'); }); }); }); return; } else if (obj.args.start == true) { // Start MeshCentral in Systemd require('child_process').exec('sudo systemctl start meshcentral.service', {}, function (err, stdout, stderr) { if ((err != null) && (err != '')) { console.log('ERROR: Unable to start MeshCentral: ' + err); process.exit(); return; } console.log('Done.'); }); return; } else if (obj.args.stop == true) { // Stop MeshCentral in Systemd require('child_process').exec('sudo systemctl stop meshcentral.service', {}, function (err, stdout, stderr) { if ((err != null) && (err != '')) { console.log('ERROR: Unable to stop MeshCentral: ' + err); process.exit(); return; } console.log('Done.'); }); return; } else if (obj.args.restart == true) { // Restart MeshCentral in Systemd require('child_process').exec('sudo systemctl restart meshcentral.service', {}, function (err, stdout, stderr) { if ((err != null) && (err != '')) { console.log('ERROR: Unable to restart MeshCentral: ' + err); process.exit(); return; } console.log('Done.'); }); return; } } // Windows background service handling if ((obj.platform == 'win32') && (obj.service != null)) { // Check if we need to install, start, stop, remove ourself as a background service if (((obj.args.xinstall == true) || (obj.args.xuninstall == true) || (obj.args.start == true) || (obj.args.stop == true) || (obj.args.restart == true))) { var env = [], xenv = ['user', 'port', 'aliasport', 'mpsport', 'mpsaliasport', 'redirport', 'exactport', 'rediraliasport', 'debug']; for (i in xenv) { if (obj.args[xenv[i]] != null) { env.push({ name: 'mesh' + xenv[i], value: obj.args[xenv[i]] }); } } // Set some args as service environement variables. var svc = new obj.service({ name: 'MeshCentral', description: 'MeshCentral Remote Management Server', script: obj.path.join(__dirname, 'winservice.js'), env: env, wait: 2, grow: 0.5 }); svc.on('install', function () { console.log('MeshCentral service installed.'); svc.start(); }); svc.on('uninstall', function () { console.log('MeshCentral service uninstalled.'); process.exit(); }); svc.on('start', function () { console.log('MeshCentral service started.'); process.exit(); }); svc.on('stop', function () { console.log('MeshCentral service stopped.'); if (obj.args.stop) { process.exit(); } if (obj.args.restart) { console.log('Holding 5 seconds...'); setTimeout(function () { svc.start(); }, 5000); } }); svc.on('alreadyinstalled', function () { console.log('MeshCentral service already installed.'); process.exit(); }); svc.on('invalidinstallation', function () { console.log('Invalid MeshCentral service installation.'); process.exit(); }); if (obj.args.xinstall == true) { try { svc.install(); } catch (e) { logException(e); } } if (obj.args.stop == true || obj.args.restart == true) { try { svc.stop(); } catch (e) { logException(e); } } if (obj.args.start == true || obj.args.restart == true) { try { svc.start(); } catch (e) { logException(e); } } if (obj.args.xuninstall == true) { try { svc.uninstall(); } catch (e) { logException(e); } } return; } // Windows service install using the external winservice.js if (obj.args.install == true) { console.log('Installing MeshCentral as Windows Service...'); if (obj.fs.existsSync(obj.path.join(__dirname, '../WinService')) == false) { try { obj.fs.mkdirSync(obj.path.join(__dirname, '../WinService')); } catch (ex) { console.log('ERROR: Unable to create WinService folder: ' + ex); process.exit(); return; } } try { obj.fs.createReadStream(obj.path.join(__dirname, 'winservice.js')).pipe(obj.fs.createWriteStream(obj.path.join(__dirname, '../WinService/winservice.js'))); } catch (ex) { console.log('ERROR: Unable to copy winservice.js: ' + ex); process.exit(); return; } require('child_process').exec('node winservice.js --install', { maxBuffer: 512000, timeout: 120000, cwd: obj.path.join(__dirname, '../WinService') }, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to install MeshCentral as a service: ' + error); process.exit(); return; } console.log(stdout); }); return; } else if (obj.args.uninstall == true) { console.log('Uninstalling MeshCentral Windows Service...'); if (obj.fs.existsSync(obj.path.join(__dirname, '../WinService')) == true) { require('child_process').exec('node winservice.js --uninstall', { maxBuffer: 512000, timeout: 120000, cwd: obj.path.join(__dirname, '../WinService') }, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to uninstall MeshCentral service: ' + error); process.exit(); return; } console.log(stdout); try { obj.fs.unlinkSync(obj.path.join(__dirname, '../WinService/winservice.js')); } catch (ex) { } try { obj.fs.rmdirSync(obj.path.join(__dirname, '../WinService')); } catch (ex) { } }); } else { require('child_process').exec('node winservice.js --uninstall', { maxBuffer: 512000, timeout: 120000, cwd: __dirname }, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to uninstall MeshCentral service: ' + error); process.exit(); return; } console.log(stdout); }); } return; } } // If "--launch" is in the arguments, launch now if (obj.args.launch) { if (obj.args.vault) { obj.StartVault(); } else { obj.StartEx(); } } else { // if "--launch" is not specified, launch the server as a child process. var startArgs = []; for (i in process.argv) { if (i > 0) { var arg = process.argv[i]; if ((arg.length > 0) && ((arg.indexOf(' ') >= 0) || (arg.indexOf('&') >= 0))) { startArgs.push(arg); } else { startArgs.push(arg); } } } startArgs.push('--launch', process.pid); obj.launchChildServer(startArgs); } }; // Launch MeshCentral as a child server and monitor it. obj.launchChildServer = function (startArgs) { var child_process = require('child_process'); childProcess = child_process.execFile(process.argv[0], startArgs, { maxBuffer: Infinity, cwd: obj.parentpath }, function (error, stdout, stderr) { if (childProcess.xrestart == 1) { setTimeout(function () { obj.launchChildServer(startArgs); }, 500); // This is an expected restart. } else if (childProcess.xrestart == 2) { console.log('Expected exit...'); process.exit(); // User CTRL-C exit. } else if (childProcess.xrestart == 3) { // Server self-update exit var version = ''; if (typeof obj.args.selfupdate == 'string') { version = '@' + obj.args.selfupdate; } var child_process = require('child_process'); var npmpath = ((typeof obj.args.npmpath == 'string') ? obj.args.npmpath : 'npm'); var npmproxy = ((typeof obj.args.npmproxy == 'string') ? (' --proxy ' + obj.args.npmproxy) : ''); var env = Object.assign({}, process.env); // Shallow clone if (typeof obj.args.npmproxy == 'string') { env['HTTP_PROXY'] = env['HTTPS_PROXY'] = env['http_proxy'] = env['https_proxy'] = obj.args.npmproxy; } var xxprocess = child_process.exec(npmpath + ' install meshcentral' + version + npmproxy, { maxBuffer: Infinity, cwd: obj.parentpath, env: env }, function (error, stdout, stderr) { }); xxprocess.data = ''; xxprocess.stdout.on('data', function (data) { xxprocess.data += data; }); xxprocess.stderr.on('data', function (data) { xxprocess.data += data; }); xxprocess.on('close', function (code) { console.log('Update completed...'); setTimeout(function () { obj.launchChildServer(startArgs); }, 1000); }); } else { if (error != null) { // This is an un-expected restart console.log(error); console.log('ERROR: MeshCentral failed with critical error, check MeshErrors.txt. Restarting in 5 seconds...'); setTimeout(function () { obj.launchChildServer(startArgs); }, 5000); } } }); childProcess.stdout.on('data', function (data) { if (data[data.length - 1] == '\n') { data = data.substring(0, data.length - 1); } if (data.indexOf('Updating settings folder...') >= 0) { childProcess.xrestart = 1; } else if (data.indexOf('Updating server certificates...') >= 0) { childProcess.xrestart = 1; } else if (data.indexOf('Server Ctrl-C exit...') >= 0) { childProcess.xrestart = 2; } else if (data.indexOf('Starting self upgrade...') >= 0) { childProcess.xrestart = 3; } else if (data.indexOf('Server restart...') >= 0) { childProcess.xrestart = 1; } var datastr = data; while (datastr.endsWith('\r') || datastr.endsWith('\n')) { datastr = datastr.substring(0, datastr.length - 1); } console.log(datastr); }); childProcess.stderr.on('data', function (data) { var datastr = data; while (datastr.endsWith('\r') || datastr.endsWith('\n')) { datastr = datastr.substring(0, datastr.length - 1); } console.log('ERR: ' + datastr); if (data.startsWith('le.challenges[tls-sni-01].loopback')) { return; } // Ignore this error output from GreenLock if (data[data.length - 1] == '\n') { data = data.substring(0, data.length - 1); } try { var errlogpath = null; if (typeof obj.args.mesherrorlogpath == 'string') { errlogpath = obj.path.join(obj.args.mesherrorlogpath, 'mesherrors.txt'); } else { errlogpath = obj.getConfigFilePath('mesherrors.txt'); } obj.fs.appendFileSync(obj.getConfigFilePath('mesherrors.txt'), '-------- ' + new Date().toLocaleString() + ' ---- ' + getCurrentVerion() + ' --------\r\n\r\n' + data + '\r\n\r\n\r\n'); } catch (ex) { console.log('ERROR: Unable to write to mesherrors.txt.'); } }); childProcess.on('close', function (code) { if ((code != 0) && (code != 123)) { /* console.log("Exited with code " + code); */ } }); }; // Get current and latest MeshCentral server versions using NPM obj.getLatestServerVersion = function (callback) { if (callback == null) return; try { if (typeof obj.args.selfupdate == 'string') { callback(getCurrentVerion(), obj.args.selfupdate); return; } // If we are targetting a specific version, return that one as current. var child_process = require('child_process'); var npmpath = ((typeof obj.args.npmpath == 'string') ? obj.args.npmpath : 'npm'); var npmproxy = ((typeof obj.args.npmproxy == 'string') ? (' --proxy ' + obj.args.npmproxy) : ''); var env = Object.assign({}, process.env); // Shallow clone if (typeof obj.args.npmproxy == 'string') { env['HTTP_PROXY'] = env['HTTPS_PROXY'] = env['http_proxy'] = env['https_proxy'] = obj.args.npmproxy; } var xxprocess = child_process.exec(npmpath + npmproxy + ' view meshcentral dist-tags.latest', { maxBuffer: 512000, cwd: obj.parentpath, env: env }, function (error, stdout, stderr) { }); xxprocess.data = ''; xxprocess.stdout.on('data', function (data) { xxprocess.data += data; }); xxprocess.stderr.on('data', function (data) { }); xxprocess.on('close', function (code) { var latestVer = null; if (code == 0) { try { latestVer = xxprocess.data.split(' ').join('').split('\r').join('').split('\n').join(''); } catch (e) { } } callback(getCurrentVerion(), latestVer); }); } catch (ex) { callback(getCurrentVerion(), null, ex); } // If the system is running out of memory, an exception here can easily happen. }; // Initiate server self-update obj.performServerUpdate = function () { if (obj.serverSelfWriteAllowed == true) { console.log('Starting self upgrade...'); process.exit(200); return true; } return false; }; // Initiate server self-update obj.performServerCertUpdate = function () { console.log('Updating server certificates...'); process.exit(200); }; // Start by loading configuration from Vault obj.StartVault = function () { // Check that the configuration can only be loaded from one place if ((obj.args.vault != null) && (obj.args.loadconfigfromdb != null)) { console.log("Can't load configuration from both database and Vault."); process.exit(); return; } // Fix arguments if needed if (typeof obj.args.vault == 'string') { obj.args.vault = { endpoint: obj.args.vault }; if (typeof obj.args.token == 'string') { obj.args.vault.token = obj.args.token; } if (typeof obj.args.unsealkey == 'string') { obj.args.vault.unsealkey = obj.args.unsealkey; } if (typeof obj.args.name == 'string') { obj.args.vault.name = obj.args.name; } } // Load configuration for HashiCorp's Vault if needed if (obj.args.vault) { if (obj.args.vault.endpoint == null) { console.log('Missing Vault endpoint.'); process.exit(); return; } if (obj.args.vault.token == null) { console.log('Missing Vault token.'); process.exit(); return; } if (obj.args.vault.unsealkey == null) { console.log('Missing Vault unsealkey.'); process.exit(); return; } if (obj.args.vault.name == null) { obj.args.vault.name = 'meshcentral'; } // Get new instance of the client var vault = require("node-vault")({ endpoint: obj.args.vault.endpoint, token: obj.args.vault.token }); vault.unseal({ key: obj.args.vault.unsealkey }) .then(() => { if (obj.args.vaultdeleteconfigfiles) { vault.delete('secret/data/' + obj.args.vault.name) .then(function (r) { console.log('Done.'); process.exit(); }) .catch(function (x) { console.log(x); process.exit(); }); } else if (obj.args.vaultpushconfigfiles) { // Push configuration files into Vault if ((obj.args.vaultpushconfigfiles == '*') || (obj.args.vaultpushconfigfiles === true)) { obj.args.vaultpushconfigfiles = obj.datapath; } obj.fs.readdir(obj.args.vaultpushconfigfiles, function (err, files) { if (err != null) { console.log('ERROR: Unable to read from folder ' + obj.args.vaultpushconfigfiles); process.exit(); return; } var configFound = false; for (var i in files) { if (files[i] == 'config.json') { configFound = true; } } if (configFound == false) { console.log('ERROR: No config.json in folder ' + obj.args.vaultpushconfigfiles); process.exit(); return; } var configFiles = {}; for (var i in files) { const file = files[i]; if ((file == 'config.json') || file.endsWith('.key') || file.endsWith('.crt') || (file == 'terms.txt') || file.endsWith('.jpg') || file.endsWith('.png')) { const path = obj.path.join(obj.args.vaultpushconfigfiles, files[i]), binary = Buffer.from(obj.fs.readFileSync(path, { encoding: 'binary' }), 'binary'); console.log('Pushing ' + file + ', ' + binary.length + ' bytes.'); if (file.endsWith('.json') || file.endsWith('.key') || file.endsWith('.crt')) { configFiles[file] = binary.toString(); } else { configFiles[file] = binary.toString('base64'); } } } vault.write('secret/data/' + obj.args.vault.name, { "data": configFiles }) .then(function (r) { console.log('Done.'); process.exit(); }) .catch(function (x) { console.log(x); process.exit(); }); }); } else { // Read configuration files from Vault vault.read('secret/data/' + obj.args.vault.name) .then(function (r) { if ((r == null) || (r.data == null) || (r.data.data == null)) { console.log('Unable to read configuration from Vault.'); process.exit(); return; } var configFiles = obj.configurationFiles = r.data.data; // Decode Base64 when needed for (var file in configFiles) { if (!file.endsWith('.json') && !file.endsWith('.key') && !file.endsWith('.crt')) { configFiles[file] = Buffer.from(configFiles[file], 'base64'); } } // Save all of the files if (obj.args.vaultpullconfigfiles) { for (var i in configFiles) { var fullFileName = obj.path.join(obj.args.vaultpullconfigfiles, i); try { obj.fs.writeFileSync(fullFileName, configFiles[i]); } catch (ex) { console.log('Unable to write to ' + fullFileName); process.exit(); return; } console.log('Pulling ' + i + ', ' + configFiles[i].length + ' bytes.'); } console.log('Done.'); process.exit(); } // Parse the new configuration file var config2 = null; try { config2 = JSON.parse(configFiles['config.json']); } catch (ex) { console.log('Error, unable to parse config.json from Vault.'); process.exit(); return; } // Set the command line arguments to the config file if they are not present if (!config2.settings) { config2.settings = {}; } for (var i in args) { config2.settings[i] = args[i]; } obj.args = args = config2.settings; // Lower case all keys in the config file try { require('./common.js').objKeysToLower(config2, ["ldapoptions"]); } catch (ex) { console.log('CRITICAL ERROR: Unable to access the file \"./common.js\".\r\nCheck folder & file permissions.'); process.exit(); return; } // Grad some of the values from the original config.json file if present. if ((config.settings.vault != null) && (config2.settings != null)) { config2.settings.vault = config.settings.vault; } // We got a new config.json from the database, let's use it. config = obj.config = config2; obj.StartEx(); }) .catch(function (x) { console.log(x); process.exit(); }); } }).catch(function (x) { console.log(x); process.exit(); }); return; } } // Look for easy command line instructions and do them here. obj.StartEx = function () { var i; //var wincmd = require('node-windows'); //wincmd.list(function (svc) { console.log(svc); }, true); // Check top level configuration for any unreconized values if (config) { for (var i in config) { if ((typeof i == 'string') && (i.length > 0) && (i[0] != '_') && (['settings', 'domains', 'configfiles', 'smtp', 'letsencrypt', 'peers'].indexOf(i) == -1)) { addServerWarning('Unrecognized configuration option \"' + i + '\".'); } } } if (typeof obj.args.userallowedip == 'string') { if (obj.args.userallowedip == '') { config.settings.userallowedip = obj.args.userallowedip = null; } else { config.settings.userallowedip = obj.args.userallowedip = obj.args.userallowedip.split(','); } } if (typeof obj.args.userblockedip == 'string') { if (obj.args.userblockedip == '') { config.settings.userblockedip = obj.args.userblockedip = null; } else { config.settings.userblockedip = obj.args.userblockedip = obj.args.userblockedip.split(','); } } if (typeof obj.args.agentallowedip == 'string') { if (obj.args.agentallowedip == '') { config.settings.agentallowedip = obj.args.agentallowedip = null; } else { config.settings.agentallowedip = obj.args.agentallowedip = obj.args.agentallowedip.split(','); } } if (typeof obj.args.agentblockedip == 'string') { if (obj.args.agentblockedip == '') { config.settings.agentblockedip = obj.args.agentblockedip = null; } else { config.settings.agentblockedip = obj.args.agentblockedip = obj.args.agentblockedip.split(','); } } if (typeof obj.args.swarmallowedip == 'string') { if (obj.args.swarmallowedip == '') { obj.args.swarmallowedip = null; } else { obj.args.swarmallowedip = obj.args.swarmallowedip.split(','); } } if ((typeof obj.args.agentupdateblocksize == 'number') && (obj.args.agentupdateblocksize >= 1024) && (obj.args.agentupdateblocksize <= 65531)) { obj.agentUpdateBlockSize = obj.args.agentupdateblocksize; } // Local console tracing if (typeof obj.args.debug == 'string') { obj.debugSources = obj.args.debug.toLowerCase().split(','); } else if (typeof obj.args.debug == 'object') { obj.debugSources = obj.args.debug; } else if (obj.args.debug === true) { obj.debugSources = '*'; } require('./db.js').CreateDB(obj, function (db) { obj.db = db; obj.db.SetupDatabase(function (dbversion) { // See if any database operations needs to be completed if (obj.args.deletedomain) { obj.db.DeleteDomain(obj.args.deletedomain, function () { console.log('Deleted domain ' + obj.args.deletedomain + '.'); process.exit(); }); return; } if (obj.args.deletedefaultdomain) { obj.db.DeleteDomain('', function () { console.log('Deleted default domain.'); process.exit(); }); return; } if (obj.args.showall) { obj.db.GetAll(function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.showusers) { obj.db.GetAllType('user', function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.showusergroups) { obj.db.GetAllType('ugrp', function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.shownodes) { obj.db.GetAllType('node', function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.showmeshes) { obj.db.GetAllType('mesh', function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.showevents) { obj.db.GetAllEvents(function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.showsmbios) { obj.db.GetAllSMBIOS(function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.showpower) { obj.db.getAllPower(function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.clearpower) { obj.db.removeAllPowerEvents(function () { process.exit(); }); return; } if (obj.args.showiplocations) { obj.db.GetAllType('iploc', function (err, docs) { console.log(docs); process.exit(); }); return; } if (obj.args.logintoken) { obj.getLoginToken(obj.args.logintoken, function (r) { console.log(r); process.exit(); }); return; } if (obj.args.logintokenkey) { obj.showLoginTokenKey(function (r) { console.log(r); process.exit(); }); return; } if (obj.args.recordencryptionrecode) { obj.db.performRecordEncryptionRecode(function (count) { console.log('Re-encoded ' + count + ' record(s).'); process.exit(); }); return; } if (obj.args.dbstats) { obj.db.getDbStats(function (stats) { console.log(stats); process.exit(); }); return; } // Show a list of all configuration files in the database if (obj.args.dblistconfigfiles) { obj.db.GetAllType('cfile', function (err, docs) { if (err == null) { if (docs.length == 0) { console.log("No files found."); } else { for (var i in docs) { console.log(docs[i]._id.split('/')[1] + ', ' + Buffer.from(docs[i].data, 'base64').length + ' bytes.'); } } } else { console.log('Unable to read from database.'); } process.exit(); }); return; } // Display the content of a configuration file in the database if (obj.args.dbshowconfigfile) { if (typeof obj.args.configkey != 'string') { console.log("Error, --configkey is required."); process.exit(); return; } obj.db.getConfigFile(obj.args.dbshowconfigfile, function (err, docs) { if (err == null) { if (docs.length == 0) { console.log("File not found."); } else { var data = obj.db.decryptData(obj.args.configkey, docs[0].data); if (data == null) { console.log("Invalid config key."); } else { console.log(data); } } } else { console.log("Unable to read from database."); } process.exit(); }); return; } // Delete all configuration files from database if (obj.args.dbdeleteconfigfiles) { console.log("Deleting all configuration files from the database..."); obj.db.RemoveAllOfType('cfile', function () { console.log('Done.'); process.exit(); }); } // Push all relevent files from meshcentral-data into the database if (obj.args.dbpushconfigfiles) { if (typeof obj.args.configkey != 'string') { console.log("Error, --configkey is required."); process.exit(); return; } if ((obj.args.dbpushconfigfiles !== true) && (typeof obj.args.dbpushconfigfiles != 'string')) { console.log("Usage: --dbpulldatafiles (path) This will import files from folder into the database"); console.log(" --dbpulldatafiles This will import files from meshcentral-data into the db."); process.exit(); } else { if ((obj.args.dbpushconfigfiles == '*') || (obj.args.dbpushconfigfiles === true)) { obj.args.dbpushconfigfiles = obj.datapath; } obj.fs.readdir(obj.args.dbpushconfigfiles, function (err, files) { if (err != null) { console.log('ERROR: Unable to read from folder ' + obj.args.dbpushconfigfiles); process.exit(); return; } var configFound = false; for (var i in files) { if (files[i] == 'config.json') { configFound = true; } } if (configFound == false) { console.log('ERROR: No config.json in folder ' + obj.args.dbpushconfigfiles); process.exit(); return; } obj.db.RemoveAllOfType('cfile', function () { obj.fs.readdir(obj.args.dbpushconfigfiles, function (err, files) { var lockCount = 1 for (var i in files) { const file = files[i]; if ((file == 'config.json') || file.endsWith('.key') || file.endsWith('.crt') || (file == 'terms.txt') || file.endsWith('.jpg') || file.endsWith('.png')) { const path = obj.path.join(obj.args.dbpushconfigfiles, files[i]), binary = Buffer.from(obj.fs.readFileSync(path, { encoding: 'binary' }), 'binary'); console.log('Pushing ' + file + ', ' + binary.length + ' bytes.'); lockCount++; obj.db.setConfigFile(file, obj.db.encryptData(obj.args.configkey, binary), function () { if ((--lockCount) == 0) { console.log('Done.'); process.exit(); } }); } } if (--lockCount == 0) { process.exit(); } }); }); }); } return; } // Pull all database files into meshcentral-data if (obj.args.dbpullconfigfiles) { if (typeof obj.args.configkey != 'string') { console.log("Error, --configkey is required."); process.exit(); return; } if (typeof obj.args.dbpullconfigfiles != 'string') { console.log("Usage: --dbpulldatafiles (path)"); process.exit(); } else { obj.db.GetAllType('cfile', function (err, docs) { if (err == null) { if (docs.length == 0) { console.log("File not found."); } else { for (var i in docs) { const file = docs[i]._id.split('/')[1], binary = obj.db.decryptData(obj.args.configkey, docs[i].data); if (binary == null) { console.log("Invalid config key."); } else { var fullFileName = obj.path.join(obj.args.dbpullconfigfiles, file); try { obj.fs.writeFileSync(fullFileName, binary); } catch (ex) { console.log('Unable to write to ' + fullFileName); process.exit(); return; } console.log('Pulling ' + file + ', ' + binary.length + ' bytes.'); } } } } else { console.log("Unable to read from database."); } process.exit(); }); } return; } if (obj.args.dbexport) { // Export the entire database to a JSON file if (obj.args.dbexport == true) { obj.args.dbexport = obj.getConfigFilePath('meshcentral.db.json'); } obj.db.GetAll(function (err, docs) { obj.fs.writeFileSync(obj.args.dbexport, JSON.stringify(docs)); console.log('Exported ' + docs.length + ' objects(s) to ' + obj.args.dbexport + '.'); process.exit(); }); return; } if (obj.args.dbexportmin) { // Export a minimal database to a JSON file. Export only users, meshes and nodes. // This is a useful command to look at the database. if (obj.args.dbexportmin == true) { obj.args.dbexportmin = obj.getConfigFilePath('meshcentral.db.json'); } obj.db.GetAllType({ $in: ['user', 'node', 'mesh'] }, function (err, docs) { obj.fs.writeFileSync(obj.args.dbexportmin, JSON.stringify(docs)); console.log('Exported ' + docs.length + ' objects(s) to ' + obj.args.dbexportmin + '.'); process.exit(); }); return; } if (obj.args.dbimport) { // Import the entire database from a JSON file if (obj.args.dbimport == true) { obj.args.dbimport = obj.getConfigFilePath('meshcentral.db.json'); } var json = null, json2 = "", badCharCount = 0; try { json = obj.fs.readFileSync(obj.args.dbimport, { encoding: 'utf8' }); } catch (e) { console.log('Invalid JSON file: ' + obj.args.dbimport + ': ' + e); process.exit(); } for (i = 0; i < json.length; i++) { if (json.charCodeAt(i) >= 32) { json2 += json[i]; } else { var tt = json.charCodeAt(i); if (tt != 10 && tt != 13) { badCharCount++; } } } // Remove all bad chars if (badCharCount > 0) { console.log(badCharCount + ' invalid character(s) where removed.'); } try { json = JSON.parse(json2); } catch (e) { console.log('Invalid JSON format: ' + obj.args.dbimport + ': ' + e); process.exit(); } if ((json == null) || (typeof json.length != 'number') || (json.length < 1)) { console.log('Invalid JSON format: ' + obj.args.dbimport + '.'); } for (i in json) { if ((json[i].type == "mesh") && (json[i].links != null)) { for (var j in json[i].links) { var esc = obj.common.escapeFieldName(j); if (esc !== j) { json[i].links[esc] = json[i].links[j]; delete json[i].links[j]; } } } } // Escape MongoDB invalid field chars //for (i in json) { if ((json[i].type == "node") && (json[i].host != null)) { json[i].rname = json[i].host; delete json[i].host; } } // DEBUG: Change host to rname setTimeout(function () { // If the Mongo database is being created for the first time, there is a race condition here. This will get around it. obj.db.RemoveAll(function () { obj.db.InsertMany(json, function (err) { if (err != null) { console.log(err); } else { console.log('Imported ' + json.length + ' objects(s) from ' + obj.args.dbimport + '.'); } process.exit(); }); }); }, 100); return; } /* if (obj.args.dbimport) { // Import the entire database from a very large JSON file obj.db.RemoveAll(function () { if (obj.args.dbimport == true) { obj.args.dbimport = obj.getConfigFilePath('meshcentral.db.json'); } var json = null, json2 = "", badCharCount = 0; const StreamArray = require('stream-json/streamers/StreamArray'); const jsonStream = StreamArray.withParser(); jsonStream.on('data', function (data) { obj.db.Set(data.value); }); jsonStream.on('end', () => { console.log('Done.'); process.exit(); }); obj.fs.createReadStream(obj.args.dbimport).pipe(jsonStream.input); }); return; } */ if (obj.args.dbmerge) { // Import the entire database from a JSON file if (obj.args.dbmerge == true) { obj.args.dbmerge = obj.getConfigFilePath('meshcentral.db.json'); } var json = null, json2 = "", badCharCount = 0; try { json = obj.fs.readFileSync(obj.args.dbmerge, { encoding: 'utf8' }); } catch (e) { console.log('Invalid JSON file: ' + obj.args.dbmerge + ': ' + e); process.exit(); } for (i = 0; i < json.length; i++) { if (json.charCodeAt(i) >= 32) { json2 += json[i]; } else { var tt = json.charCodeAt(i); if (tt != 10 && tt != 13) { badCharCount++; } } } // Remove all bad chars if (badCharCount > 0) { console.log(badCharCount + ' invalid character(s) where removed.'); } try { json = JSON.parse(json2); } catch (e) { console.log('Invalid JSON format: ' + obj.args.dbmerge + ': ' + e); process.exit(); } if ((json == null) || (typeof json.length != 'number') || (json.length < 1)) { console.log('Invalid JSON format: ' + obj.args.dbimport + '.'); } // Get all users from current database obj.db.GetAllType('user', function (err, docs) { var users = {}, usersCount = 0; for (var i in docs) { users[docs[i]._id] = docs[i]; usersCount++; } // Fetch all meshes from the database obj.db.GetAllType('mesh', function (err, docs) { obj.common.unEscapeAllLinksFieldName(docs); var meshes = {}, meshesCount = 0; for (var i in docs) { meshes[docs[i]._id] = docs[i]; meshesCount++; } console.log('Loaded ' + usersCount + ' users and ' + meshesCount + ' meshes.'); // Look at each object in the import file var objectToAdd = []; for (var i in json) { var newobj = json[i]; if (newobj.type == 'user') { // Check if the user already exists var existingUser = users[newobj._id]; if (existingUser) { // Merge the links if (typeof newobj.links == 'object') { for (var j in newobj.links) { if ((existingUser.links == null) || (existingUser.links[j] == null)) { if (existingUser.links == null) { existingUser.links = {}; } existingUser.links[j] = newobj.links[j]; } } } if (existingUser.name == 'admin') { existingUser.links = {}; } objectToAdd.push(existingUser); // Add this user } else { objectToAdd.push(newobj); // Add this user } } else if (newobj.type == 'mesh') { // Add this object after escaping objectToAdd.push(obj.common.escapeLinksFieldName(newobj)); } // Don't add nodes. } console.log('Importing ' + objectToAdd.length + ' object(s)...'); var pendingCalls = 1; for (var i in objectToAdd) { pendingCalls++; obj.db.Set(objectToAdd[i], function (err) { if (err != null) { console.log(err); } else { if (--pendingCalls == 0) { process.exit(); } } }); } if (--pendingCalls == 0) { process.exit(); } }); }); return; } // Load configuration for database if needed if (obj.args.loadconfigfromdb) { var key = null; if (typeof obj.args.configkey == 'string') { key = obj.args.configkey; } else if (typeof obj.args.loadconfigfromdb == 'string') { key = obj.args.loadconfigfromdb; } if (key == null) { console.log("Error, --configkey is required."); process.exit(); return; } obj.db.getAllConfigFiles(key, function (configFiles) { if (configFiles == null) { console.log("Error, no configuration files found or invalid configkey."); process.exit(); return; } if (!configFiles['config.json']) { console.log("Error, could not file config.json from database."); process.exit(); return; } obj.configurationFiles = configFiles; // Parse the new configuration file var config2 = null; try { config2 = JSON.parse(configFiles['config.json']); } catch (ex) { console.log('Error, unable to parse config.json from database.'); process.exit(); return; } // Set the command line arguments to the config file if they are not present if (!config2.settings) { config2.settings = {}; } for (i in args) { config2.settings[i] = args[i]; } // Lower case all keys in the config file try { require('./common.js').objKeysToLower(config2, ['ldapoptions']); } catch (ex) { console.log("CRITICAL ERROR: Unable to access the file \"./common.js\".\r\nCheck folder & file permissions."); process.exit(); return; } // Grad some of the values from the original config.json file if present. config2['mongodb'] = config['mongodb']; config2['mongodbcol'] = config['mongodbcol']; config2['dbencryptkey'] = config['dbencryptkey']; // We got a new config.json from the database, let's use it. config = obj.config = config2; obj.StartEx1b(); }); } else { config = obj.config = getConfig(obj.args.vault == null); obj.StartEx1b(); } }); } ); }; // Time to start the server of real. obj.StartEx1b = function () { var i; // Check if self update is allowed. If running as a Windows service, self-update is not possible. if (obj.fs.existsSync(obj.path.join(__dirname, 'daemon'))) { obj.serverSelfWriteAllowed = false; } // If we are targetting a specific version, update now. if ((obj.serverSelfWriteAllowed == true) && (typeof obj.args.selfupdate == 'string')) { obj.args.selfupdate = obj.args.selfupdate.toLowerCase(); if (getCurrentVerion() !== obj.args.selfupdate) { obj.performServerUpdate(); return; } // We are targetting a specific version, run self update now. } // Write the server state obj.updateServerState('state', 'starting'); if (process.pid) { obj.updateServerState('server-pid', process.pid); } if (process.ppid) { obj.updateServerState('server-parent-pid', process.ppid); } // Start memory tracking if requested if (typeof obj.args.memorytracking == 'number') { var info = process.memoryUsage(), txt = []; info.time = Date.now(); for (var i in info) { txt.push(i); } obj.fs.appendFile(obj.getConfigFilePath('memorytracking.csv'), txt.join(',') + '\r\n', function (err) { }); setInterval(function () { var info = process.memoryUsage(), txt = []; info.time = Date.now(); for (var i in info) { txt.push(info[i]); } obj.fs.appendFile(obj.getConfigFilePath('memorytracking.csv'), txt.join(',') + '\r\n', function (err) { }); }, (obj.args.memorytracking * 1000)); } // Read environment variables. For a subset of arguments, we allow them to be read from environment variables. var xenv = ['user', 'port', 'mpsport', 'mpsaliasport', 'redirport', 'rediraliasport', 'exactport', 'debug']; for (i in xenv) { if ((obj.args[xenv[i]] == null) && (process.env['mesh' + xenv[i]])) { obj.args[xenv[i]] = obj.common.toNumber(process.env['mesh' + xenv[i]]); } } // Validate the domains, this is used for multi-hosting if (obj.config.domains == null) { obj.config.domains = {}; } if (obj.config.domains[''] == null) { obj.config.domains[''] = {}; } if (obj.config.domains[''].dns != null) { console.log("ERROR: Default domain can't have a DNS name."); return; } var xdomains = {}; for (i in obj.config.domains) { xdomains[i.toLowerCase()] = obj.config.domains[i]; } obj.config.domains = xdomains; var bannedDomains = ['public', 'private', 'images', 'scripts', 'styles', 'views']; // List of banned domains for (i in obj.config.domains) { for (var j in bannedDomains) { if (i == bannedDomains[j]) { console.log("ERROR: Domain '" + i + "' is not allowed domain name in config.json."); return; } } } for (i in obj.config.domains) { if ((i.length > 0) && (i[0] == '_')) { delete obj.config.domains[i]; continue; } // Remove any domains with names that start with _ if (typeof config.domains[i].auth == 'string') { config.domains[i].auth = config.domains[i].auth.toLowerCase(); } if (obj.config.domains[i].limits == null) { obj.config.domains[i].limits = {}; } if (obj.config.domains[i].dns == null) { obj.config.domains[i].url = (i == '') ? '/' : ('/' + i + '/'); } else { obj.config.domains[i].url = '/'; } obj.config.domains[i].id = i; if (typeof obj.config.domains[i].loginkey == 'string') { obj.config.domains[i].loginkey = [obj.config.domains[i].loginkey]; } if (typeof obj.config.domains[i].userallowedip == 'string') { if (obj.config.domains[i].userallowedip == '') { obj.config.domains[i].userallowedip = null; } else { obj.config.domains[i].userallowedip = obj.config.domains[i].userallowedip.split(','); } } if (typeof obj.config.domains[i].userblockedip == 'string') { if (obj.config.domains[i].userblockedip == '') { obj.config.domains[i].userblockedip = null; } else { obj.config.domains[i].userblockedip = obj.config.domains[i].userblockedip.split(','); } } if (typeof obj.config.domains[i].agentallowedip == 'string') { if (obj.config.domains[i].agentallowedip == '') { obj.config.domains[i].agentallowedip = null; } else { obj.config.domains[i].agentallowedip = obj.config.domains[i].agentallowedip.split(','); } } if (typeof obj.config.domains[i].agentblockedip == 'string') { if (obj.config.domains[i].agentblockedip == '') { obj.config.domains[i].agentblockedip = null; } else { obj.config.domains[i].agentblockedip = obj.config.domains[i].agentblockedip.split(','); } } if ((obj.config.domains[i].passwordrequirements != null) && (typeof obj.config.domains[i].passwordrequirements == 'object')) { if (typeof obj.config.domains[i].passwordrequirements.skip2factor == 'string') { obj.config.domains[i].passwordrequirements.skip2factor = obj.config.domains[i].passwordrequirements.skip2factor.split(','); } else { delete obj.config.domains[i].passwordrequirements.skip2factor; } } if ((obj.config.domains[i].auth == 'ldap') && (typeof obj.config.domains[i].ldapoptions != 'object')) { if (i == '') { console.log("ERROR: Default domain is LDAP, but is missing LDAPOptions."); } else { console.log("ERROR: Domain '" + i + "' is LDAP, but is missing LDAPOptions."); } process.exit(); return; } if ((obj.config.domains[i].auth == 'ldap') || (obj.config.domains[i].auth == 'sspi')) { obj.config.domains[i].newaccounts = 0; } // No new accounts allowed in SSPI/LDAP authentication modes. // Convert newAccountsRights from a array of strings to flags number. if (obj.config.domains[i].newaccountsrights && Array.isArray(obj.config.domains[i].newaccountsrights)) { var newAccRights = 0; for (var j in obj.config.domains[i].newaccountsrights) { var r = obj.config.domains[i].newaccountsrights[j].toLowerCase(); if (r == 'fulladmin') { newAccRights = 4294967295; } // 0xFFFFFFFF if (r == 'serverbackup') { newAccRights |= 1; } if (r == 'manageusers') { newAccRights |= 2; } if (r == 'serverrestore') { newAccRights |= 4; } if (r == 'fileaccess') { newAccRights |= 8; } if (r == 'serverupdate') { newAccRights |= 16; } if (r == 'locked') { newAccRights |= 32; } if (r == 'nonewgroups') { newAccRights |= 64; } if (r == 'notools') { newAccRights |= 128; } } obj.config.domains[i].newaccountsrights = newAccRights; } if (obj.config.domains[i].newaccountsrights && (typeof (obj.config.domains[i].newaccountsrights) != 'number')) { delete obj.config.domains[i].newaccountsrights; } } // Log passed arguments into Windows Service Log //if (obj.servicelog != null) { var s = ''; for (i in obj.args) { if (i != '_') { if (s.length > 0) { s += ', '; } s += i + "=" + obj.args[i]; } } logInfoEvent('MeshServer started with arguments: ' + s); } // Look at passed in arguments if ((obj.args.user != null) && (typeof obj.args.user != 'string')) { delete obj.args.user; } if ((obj.args.ciralocalfqdn != null) && ((obj.args.lanonly == true) || (obj.args.wanonly == true))) { addServerWarning("CIRA local FQDN's ignored when server in LAN-only or WAN-only mode."); } if ((obj.args.ciralocalfqdn != null) && (obj.args.ciralocalfqdn.split(',').length > 4)) { addServerWarning("Can't have more than 4 CIRA local FQDN's. Ignoring value."); obj.args.ciralocalfqdn = null; } if (obj.args.ignoreagenthashcheck === true) { addServerWarning("Agent hash checking is being skipped, this is unsafe."); } if (obj.args.port == null || typeof obj.args.port != 'number') { if (obj.args.notls == null) { obj.args.port = 443; } else { obj.args.port = 80; } } if (obj.args.aliasport != null && (typeof obj.args.aliasport != 'number')) obj.args.aliasport = null; if (obj.args.mpsport == null || typeof obj.args.mpsport != 'number') obj.args.mpsport = 4433; if (obj.args.mpsaliasport != null && (typeof obj.args.mpsaliasport != 'number')) obj.args.mpsaliasport = null; if (obj.args.rediraliasport != null && (typeof obj.args.rediraliasport != 'number')) obj.args.rediraliasport = null; if (obj.args.notls == null && obj.args.redirport == null) obj.args.redirport = 80; if (obj.args.minifycore === 0) obj.args.minifycore = false; if (typeof args.agentidletimeout != 'number') { args.agentidletimeout = 150000; } else { args.agentidletimeout *= 1000 } // Default agent idle timeout is 2m, 30sec. // Setup a site administrator if ((obj.args.admin) && (typeof obj.args.admin == 'string')) { var adminname = obj.args.admin.split('/'); if (adminname.length == 1) { adminname = 'user//' + adminname[0]; } else if (adminname.length == 2) { adminname = 'user/' + adminname[0] + '/' + adminname[1]; } else { console.log("Invalid administrator name."); process.exit(); return; } obj.db.Get(adminname, function (err, user) { if (user.length != 1) { console.log("Invalid user name."); process.exit(); return; } user[0].siteadmin = 4294967295; // 0xFFFFFFFF obj.db.Set(user[0], function () { if (user[0].domain == '') { console.log('User ' + user[0].name + ' set to site administrator.'); } else { console.log("User " + user[0].name + " of domain " + user[0].domain + " set to site administrator."); } process.exit(); return; }); }); return; } // Remove a site administrator if ((obj.args.unadmin) && (typeof obj.args.unadmin == 'string')) { var adminname = obj.args.unadmin.split('/'); if (adminname.length == 1) { adminname = 'user//' + adminname[0]; } else if (adminname.length == 2) { adminname = 'user/' + adminname[0] + '/' + adminname[1]; } else { console.log("Invalid administrator name."); process.exit(); return; } obj.db.Get(adminname, function (err, user) { if (user.length != 1) { console.log("Invalid user name."); process.exit(); return; } if (user[0].siteadmin) { delete user[0].siteadmin; } obj.db.Set(user[0], function () { if (user[0].domain == '') { console.log("User " + user[0].name + " is not a site administrator."); } else { console.log("User " + user[0].name + " of domain " + user[0].domain + " is not a site administrator."); } process.exit(); return; }); }); return; } // Perform other database cleanup obj.db.cleanup(); // Set all nodes to power state of unknown (0) obj.db.storePowerEvent({ time: new Date(), nodeid: '*', power: 0, s: 1 }, obj.multiServer); // s:1 indicates that the server is starting up. // Read or setup database configuration values obj.db.Get('dbconfig', function (err, dbconfig) { if (dbconfig.length == 1) { obj.dbconfig = dbconfig[0]; } else { obj.dbconfig = { _id: 'dbconfig', version: 1 }; } if (obj.dbconfig.amtWsEventSecret == null) { obj.crypto.randomBytes(32, function (err, buf) { obj.dbconfig.amtWsEventSecret = buf.toString('hex'); obj.db.Set(obj.dbconfig); }); } // This is used by the user to create a username/password for a Intel AMT WSMAN event subscription if (obj.args.getwspass) { if (obj.args.getwspass.length == 64) { obj.crypto.randomBytes(6, function (err, buf) { while (obj.dbconfig.amtWsEventSecret == null) { process.nextTick(); } var username = buf.toString('hex'); var nodeid = obj.args.getwspass; var pass = obj.crypto.createHash('sha384').update(username.toLowerCase() + ':' + nodeid + ':' + obj.dbconfig.amtWsEventSecret).digest('base64').substring(0, 12).split('/').join('x').split('\\').join('x'); console.log("--- Intel(r) AMT WSMAN eventing credentials ---"); console.log("Username: " + username); console.log("Password: " + pass); console.log("Argument: " + nodeid); process.exit(); }); } else { console.log("Invalid NodeID."); process.exit(); } return; } // Start plugin manager if configuration allows this. if ((obj.config) && (obj.config.settings) && (obj.config.settings.plugins != null)) { const nodeVersion = Number(process.version.match(/^v(\d+\.\d+)/)[1]); if (nodeVersion < 7) { addServerWarning("Plugin support requires Node v7.0 or higher."); delete obj.config.settings.plugins; } else { obj.pluginHandler = require('./pluginHandler.js').pluginHandler(obj); } } // Load the default meshcore and meshcmd obj.updateMeshCore(); obj.updateMeshCmd(); // Setup and start the redirection server if needed. We must start the redirection server before Let's Encrypt. if ((obj.args.redirport != null) && (typeof obj.args.redirport == 'number') && (obj.args.redirport != 0)) { obj.redirserver = require('./redirserver.js').CreateRedirServer(obj, obj.db, obj.args, obj.StartEx2); } else { obj.StartEx2(); // If not needed, move on. } }); } // Done starting the redirection server, go on to load the server certificates obj.StartEx2 = function () { // Load server certificates obj.certificateOperations = require('./certoperations.js').CertificateOperations(obj); obj.certificateOperations.GetMeshServerCertificate(obj.args, obj.config, function (certs) { // Get the current node version const nodeVersion = Number(process.version.match(/^v(\d+\.\d+)/)[1]); if ((nodeVersion < 8) || (require('crypto').generateKeyPair == null) || (obj.config.letsencrypt == null) || (obj.redirserver == null)) { obj.StartEx3(certs); // Just use the configured certificates } else { // Check Let's Encrypt settings var leok = true; if (typeof obj.config.letsencrypt.email != 'string') { leok = false; addServerWarning("Missing Let's Encrypt email address."); } else if (typeof obj.config.letsencrypt.names != 'string') { leok = false; addServerWarning("Invalid Let's Encrypt host names."); } else if (obj.config.letsencrypt.email.split('@').length != 2) { leok = false; addServerWarning("Invalid Let's Encrypt email address."); } else if (obj.config.letsencrypt.email.trim() !== obj.config.letsencrypt.email) { leok = false; addServerWarning("Invalid Let's Encrypt email address."); } else { var le = require('./letsencrypt.js'); try { obj.letsencrypt = le.CreateLetsEncrypt(obj); } catch (ex) { } if (obj.letsencrypt == null) { addServerWarning("Unable to setup GreenLock module."); leok = false; } } if (leok == true) { // Check that the email address domain MX resolves. require('dns').resolveMx(obj.config.letsencrypt.email.split('@')[1], function (err, addresses) { if (err == null) { // Check that all names resolve checkResolveAll(obj.config.letsencrypt.names.split(','), function (err) { if (err == null) { obj.letsencrypt.getCertificate(certs, obj.StartEx3); // Use Let's Encrypt } else { for (var i in err) { addServerWarning("Invalid Let's Encrypt names, unable to resolve: " + err[i]); } obj.StartEx3(certs); // Let's Encrypt did not load, just use the configured certificates } }); } else { addServerWarning("Invalid Let's Encrypt email address, unable to resolve: " + obj.config.letsencrypt.email.split('@')[1]); obj.StartEx3(certs); // Let's Encrypt did not load, just use the configured certificates } }); } else { obj.StartEx3(certs); // Let's Encrypt did not load, just use the configured certificates } } }); }; // Start the server with the given certificates, but check if we have web certificates to load obj.StartEx3 = function (certs) { obj.certificates = certs; obj.certificateOperations.acceleratorStart(certs); // Set the state of the accelerators // Load any domain web certificates for (var i in obj.config.domains) { // Load any Intel AMT ACM activation certificates obj.certificateOperations.loadIntelAmtAcmCerts(obj.config.domains[i].amtacmactivation); if (typeof obj.config.domains[i].certurl == 'string') { obj.supportsProxyCertificatesRequest = true; // If a certurl is set, enable proxy cert requests // Then, fix the URL and add 'https://' if needed if (obj.config.domains[i].certurl.indexOf('://') < 0) { obj.config.domains[i].certurl = 'https://' + obj.config.domains[i].certurl; } } } if (obj.supportsProxyCertificatesRequest == true) { obj.updateProxyCertificates(true); } obj.StartEx4(); // Keep going } // Start the server with the given certificates obj.StartEx4 = function () { var i; // If the certificate is un-configured, force LAN-only mode if (obj.certificates.CommonName.indexOf('.') == -1) { /*console.log('Server name not configured, running in LAN-only mode.');*/ obj.args.lanonly = true; } // Write server version and run mode var productionMode = (process.env.NODE_ENV && (process.env.NODE_ENV == 'production')); var runmode = (obj.args.lanonly ? 2 : (obj.args.wanonly ? 1 : 0)); console.log("MeshCentral v" + getCurrentVerion() + ', ' + (["Hybrid (LAN + WAN) mode", "WAN mode", "LAN mode"][runmode]) + (productionMode ? ", Production mode." : '.')); // Check that no sub-domains have the same DNS as the parent for (i in obj.config.domains) { if ((obj.config.domains[i].dns != null) && (obj.certificates.CommonName.toLowerCase() === obj.config.domains[i].dns.toLowerCase())) { console.log("ERROR: Server sub-domain can't have same DNS name as the parent."); process.exit(0); return; } } // Load the list of mesh agents and install scripts if (obj.args.noagentupdate == 1) { for (i in obj.meshAgentsArchitectureNumbers) { obj.meshAgentsArchitectureNumbers[i].update = false; } } obj.updateMeshAgentsTable(function () { obj.updateMeshAgentInstallScripts(); // Setup and start the web server obj.crypto.randomBytes(48, function (err, buf) { // Setup Mesh Multi-Server if needed obj.multiServer = require('./multiserver.js').CreateMultiServer(obj, obj.args); if (obj.multiServer != null) { if ((obj.db.databaseType != 3) || (obj.db.changeStream != true)) { console.log("ERROR: Multi-server support requires use of MongoDB with ReplicaSet and ChangeStream enabled."); process.exit(0); return; } obj.serverId = obj.multiServer.serverid; for (var serverid in obj.config.peers.servers) { obj.peerConnectivityByNode[serverid] = {}; } } // If the server is set to "nousers", allow only loopback unless IP filter is set if ((obj.args.nousers == true) && (obj.args.userallowedip == null)) { obj.args.userallowedip = "::1,127.0.0.1"; } // Set the session length to 60 minutes if not set and set a random key if needed if ((obj.args.sessiontime != null) && ((typeof obj.args.sessiontime != 'number') || (obj.args.sessiontime < 1))) { delete obj.args.sessiontime; } if (!obj.args.sessionkey) { obj.args.sessionkey = buf.toString('hex').toUpperCase(); } // Create APF server to hook into webserver obj.apfserver = require('./apfserver.js').CreateApfServer(obj, obj.db, obj.args); // Create MQTT Broker to hook into webserver and mpsserver if ((typeof obj.config.settings.mqtt == 'object') && (typeof obj.config.settings.mqtt.auth == 'object') && (typeof obj.config.settings.mqtt.auth.keyid == 'string') && (typeof obj.config.settings.mqtt.auth.key == 'string')) { obj.mqttbroker = require("./mqttbroker.js").CreateMQTTBroker(obj, obj.db, obj.args); } // Start the web server and if needed, the redirection web server. obj.webserver = require('./webserver.js').CreateWebServer(obj, obj.db, obj.args, obj.certificates); if (obj.redirserver != null) { obj.redirserver.hookMainWebServer(obj.certificates); } // Setup the Intel AMT event handler obj.amtEventHandler = require('./amtevents.js').CreateAmtEventsHandler(obj); // Setup the Intel AMT local network scanner if (obj.args.wanonly != true) { obj.amtScanner = require('./amtscanner.js').CreateAmtScanner(obj).start(); obj.meshScanner = require('./meshscanner.js').CreateMeshScanner(obj).start(); } // Setup and start the MPS server if ((obj.args.lanonly != true) && (obj.args.mpsport !== 0)) { obj.mpsserver = require('./mpsserver.js').CreateMpsServer(obj, obj.db, obj.args, obj.certificates); } // Setup and start the legacy swarm server if ((obj.certificates.swarmserver != null) && (obj.args.swarmport !== 0)) { if (obj.args.swarmport == null) { obj.args.swarmport = 8080; } obj.swarmserver = require('./swarmserver.js').CreateSwarmServer(obj, obj.db, obj.args, obj.certificates); } // Setup email server if ((obj.config.smtp != null) && (obj.config.smtp.host != null) && (obj.config.smtp.from != null)) { obj.mailserver = require('./meshmail.js').CreateMeshMail(obj); obj.mailserver.verify(); if (obj.args.lanonly == true) { addServerWarning("SMTP server has limited use in LAN mode."); } } // Start periodic maintenance obj.maintenanceTimer = setInterval(obj.maintenanceActions, 1000 * 60 * 60); // Run this every hour // Dispatch an event that the server is now running obj.DispatchEvent(['*'], obj, { etype: 'server', action: 'started', msg: 'Server started' }); // Plugin hook. Need to run something at server startup? This is the place. if (obj.pluginHandler) { obj.pluginHandler.callHook("server_startup"); } // Load the login cookie encryption key from the database if allowed if ((obj.config) && (obj.config.settings) && (obj.config.settings.allowlogintoken == true)) { obj.db.Get('LoginCookieEncryptionKey', function (err, docs) { if ((docs.length > 0) && (docs[0].key != null) && (obj.args.logintokengen == null) && (docs[0].key.length >= 160)) { obj.loginCookieEncryptionKey = Buffer.from(docs[0].key, 'hex'); } else { obj.loginCookieEncryptionKey = obj.generateCookieKey(); obj.db.Set({ _id: 'LoginCookieEncryptionKey', key: obj.loginCookieEncryptionKey.toString('hex'), time: Date.now() }); } }); } // Load the invitation link encryption key from the database obj.db.Get('InvitationLinkEncryptionKey', function (err, docs) { if ((docs.length > 0) && (docs[0].key != null) && (docs[0].key.length >= 160)) { obj.invitationLinkEncryptionKey = Buffer.from(docs[0].key, 'hex'); } else { obj.invitationLinkEncryptionKey = obj.generateCookieKey(); obj.db.Set({ _id: 'InvitationLinkEncryptionKey', key: obj.invitationLinkEncryptionKey.toString('hex'), time: Date.now() }); } }); // Start collecting server stats every 5 minutes setInterval(function () { obj.serverStatsCounter++; var hours = 720; // Start with all events lasting 30 days. if (((obj.serverStatsCounter) % 2) == 1) { hours = 3; } // Half of the event get removed after 3 hours. else if ((Math.floor(obj.serverStatsCounter / 2) % 2) == 1) { hours = 8; } // Another half of the event get removed after 8 hours. else if ((Math.floor(obj.serverStatsCounter / 4) % 2) == 1) { hours = 24; } // Another half of the event get removed after 24 hours. else if ((Math.floor(obj.serverStatsCounter / 8) % 2) == 1) { hours = 48; } // Another half of the event get removed after 48 hours. else if ((Math.floor(obj.serverStatsCounter / 16) % 2) == 1) { hours = 72; } // Another half of the event get removed after 72 hours. var expire = new Date(); expire.setTime(expire.getTime() + (60 * 60 * 1000 * hours)); var data = { time: new Date(), expire: expire, mem: process.memoryUsage(), //cpu: process.cpuUsage(), conn: { ca: Object.keys(obj.webserver.wsagents).length, cu: Object.keys(obj.webserver.wssessions).length, us: Object.keys(obj.webserver.wssessions2).length, rs: obj.webserver.relaySessionCount } }; if (obj.mpsserver != null) { data.conn.am = Object.keys(obj.mpsserver.ciraConnections).length; } obj.db.SetServerStats(data); // Save the stats to the database obj.DispatchEvent(['*'], obj, { action: 'servertimelinestats', data: data }); // Event the server stats }, 300000); obj.debug('main', "Server started"); if (obj.args.nousers == true) { obj.updateServerState('nousers', '1'); } obj.updateServerState('state', "running"); // Setup auto-backup defaults if (obj.config.settings.autobackup == null) { obj.config.settings.autobackup = { backupintervalhours: 24, keeplastdaysbackup: 10 }; } else if (obj.config.settings.autobackup === false) { delete obj.config.settings.autobackup; } // Setup auto-backup timer if (obj.config.settings.autobackup && (typeof obj.config.settings.autobackup.backupintervalhours == 'number')) { setInterval(obj.db.performBackup, obj.config.settings.autobackup.backupintervalhours * 60 * 60 * 1000); } }); }); }; // Refresh any certificate hashs from the reverse proxy obj.pendingProxyCertificatesRequests = 0; obj.lastProxyCertificatesRequest = null; obj.supportsProxyCertificatesRequest = false; obj.updateProxyCertificates = function (force) { if (force !== true) { if ((obj.pendingProxyCertificatesRequests > 0) || (obj.supportsProxyCertificatesRequest == false)) return; if ((obj.lastProxyCertificatesRequest != null) && ((Date.now() - obj.lastProxyCertificatesRequest) < 120000)) return; // Don't allow this call more than every 2 minutes. obj.lastProxyCertificatesRequest = Date.now(); } // Load any domain web certificates for (var i in obj.config.domains) { if (obj.config.domains[i].certurl != null) { // Load web certs obj.pendingProxyCertificatesRequests++; var dnsname = obj.config.domains[i].dns; if ((dnsname == null) && (obj.config.settings.cert != null)) { dnsname = obj.config.settings.cert; } obj.certificateOperations.loadCertificate(obj.config.domains[i].certurl, dnsname, obj.config.domains[i], function (url, cert, xhostname, xdomain) { obj.pendingProxyCertificatesRequests--; if (cert != null) { // Hash the entire cert var hash = obj.crypto.createHash('sha384').update(Buffer.from(cert, 'binary')).digest('hex'); if (xdomain.certhash != hash) { // The certificate has changed. xdomain.certkeyhash = hash; xdomain.certhash = hash; try { // Decode a RSA certificate and hash the public key, if this is not RSA, skip this. var forgeCert = obj.certificateOperations.forge.pki.certificateFromAsn1(obj.certificateOperations.forge.asn1.fromDer(cert)); xdomain.certkeyhash = obj.certificateOperations.forge.pki.getPublicKeyFingerprint(forgeCert.publicKey, { md: obj.certificateOperations.forge.md.sha384.create(), encoding: 'hex' }); //console.log('V1: ' + xdomain.certkeyhash); } catch (ex) { delete xdomain.certkeyhash; } if (obj.webserver) { obj.webserver.webCertificateHashs[xdomain.id] = obj.webserver.webCertificateFullHashs[xdomain.id] = Buffer.from(hash, 'hex').toString('binary'); if (xdomain.certkeyhash != null) { obj.webserver.webCertificateHashs[xdomain.id] = Buffer.from(xdomain.certkeyhash, 'hex').toString('binary'); } // Disconnect all agents with bad web certificates for (var i in obj.webserver.wsagentsWithBadWebCerts) { obj.webserver.wsagentsWithBadWebCerts[i].close(1); } } console.log(obj.common.format("Loaded web certificate from \"{0}\", host: \"{1}\"", url, xhostname)); console.log(obj.common.format(" SHA384 cert hash: {0}", xdomain.certhash)); if ((xdomain.certkeyhash != null) && (xdomain.certhash != xdomain.certkeyhash)) { console.log(obj.common.format(" SHA384 key hash: {0}", xdomain.certkeyhash)); } } } else { console.log(obj.common.format("Failed to load web certificate at: \"{0}\", host: \"{1}\"", url, xhostname)); } }); } } } // Perform maintenance operations (called every hour) obj.maintenanceActions = function () { // Check for self-update that targets a specific version if ((typeof obj.args.selfupdate == 'string') && (getCurrentVerion() === obj.args.selfupdate)) { obj.args.selfupdate = false; } // Check if we need to perform server self-update if ((obj.args.selfupdate) && (obj.serverSelfWriteAllowed == true)) { obj.db.getValueOfTheDay('performSelfUpdate', 1, function (performSelfUpdate) { if (performSelfUpdate.value > 0) { performSelfUpdate.value--; obj.db.Set(performSelfUpdate); obj.getLatestServerVersion(function (currentVer, latestVer) { if (currentVer != latestVer) { obj.performServerUpdate(); return; } }); } }); } }; // Stop the Meshcentral server obj.Stop = function (restoreFile) { // If the database is not setup, exit now. if (!obj.db) return; // Dispatch an event saying the server is now stopping obj.DispatchEvent(['*'], obj, { etype: 'server', action: 'stopped', msg: "Server stopped" }); // Set all nodes to power state of unknown (0) obj.db.storePowerEvent({ time: new Date(), nodeid: '*', power: 0, s: 2 }, obj.multiServer, function () { // s:2 indicates that the server is shutting down. if (restoreFile) { obj.debug('main', obj.common.format("Server stopped, updating settings: {0}", restoreFile)); console.log("Updating settings folder..."); var yauzl = require('yauzl'); yauzl.open(restoreFile, { lazyEntries: true }, function (err, zipfile) { if (err) throw err; zipfile.readEntry(); zipfile.on('entry', function (entry) { if (/\/$/.test(entry.fileName)) { // Directory file names end with '/'. // Note that entires for directories themselves are optional. // An entry's fileName implicitly requires its parent directories to exist. zipfile.readEntry(); } else { // file entry zipfile.openReadStream(entry, function (err, readStream) { if (err) throw err; readStream.on('end', function () { zipfile.readEntry(); }); // console.log('Extracting:', obj.getConfigFilePath(entry.fileName)); readStream.pipe(obj.fs.createWriteStream(obj.getConfigFilePath(entry.fileName))); }); } }); zipfile.on('end', function () { setTimeout(function () { obj.fs.unlinkSync(restoreFile); process.exit(123); }); }); }); } else { obj.debug('main', "Server stopped"); process.exit(0); } }); // Update the server state obj.updateServerState('state', "stopped"); }; // Event Dispatch obj.AddEventDispatch = function (ids, target) { obj.debug('dispatch', 'AddEventDispatch', ids); for (var i in ids) { var id = ids[i]; if (!obj.eventsDispatch[id]) { obj.eventsDispatch[id] = [target]; } else { obj.eventsDispatch[id].push(target); } } }; obj.RemoveEventDispatch = function (ids, target) { obj.debug('dispatch', 'RemoveEventDispatch', id); for (var i in ids) { var id = ids[i]; if (obj.eventsDispatch[id]) { var j = obj.eventsDispatch[id].indexOf(target); if (j >= 0) { if (obj.eventsDispatch[id].length == 1) { delete obj.eventsDispatch[id]; } else { obj.eventsDispatch[id].splice(j, 1); } } } } }; obj.RemoveEventDispatchId = function (id) { obj.debug('dispatch', 'RemoveEventDispatchId', id); if (obj.eventsDispatch[id] != null) { delete obj.eventsDispatch[id]; } }; obj.RemoveAllEventDispatch = function (target) { obj.debug('dispatch', 'RemoveAllEventDispatch'); for (var i in obj.eventsDispatch) { var j = obj.eventsDispatch[i].indexOf(target); if (j >= 0) { if (obj.eventsDispatch[i].length == 1) { delete obj.eventsDispatch[i]; } else { obj.eventsDispatch[i].splice(j, 1); } } } }; obj.DispatchEvent = function (ids, source, event, fromPeerServer) { // If the database is not setup, exit now. if (!obj.db) return; obj.debug('dispatch', 'DispatchEvent', ids); if ((typeof event == 'object') && (!event.nolog)) { event.time = new Date(); // The event we store is going to skip some of the fields so we don't store too much stuff in the database. var storeEvent = Object.assign({}, event); if (storeEvent.node) { delete storeEvent.node; } // Skip the "node" field. May skip more in the future. if (storeEvent.links) { // Escape "links" names that may have "." and/or "$" storeEvent.links = Object.assign({}, storeEvent.links); for (var i in storeEvent.links) { var ue = obj.common.escapeFieldName(i); if (ue !== i) { storeEvent.links[ue] = storeEvent.links[i]; delete storeEvent.links[i]; } } } storeEvent.ids = ids; obj.db.StoreEvent(storeEvent); } var targets = []; // List of targets we dispatched the event to, we don't want to dispatch to the same target twice. for (var j in ids) { var id = ids[j]; if (obj.eventsDispatch[id]) { for (var i in obj.eventsDispatch[id]) { if (targets.indexOf(obj.eventsDispatch[id][i]) == -1) { // Check if we already displatched to this target targets.push(obj.eventsDispatch[id][i]); try { obj.eventsDispatch[id][i].HandleEvent(source, event, ids, id); } catch (ex) { console.log(ex, obj.eventsDispatch[id][i]); } } } } } if ((fromPeerServer == null) && (obj.multiServer != null) && ((typeof event != 'object') || (event.nopeers != 1))) { obj.multiServer.DispatchEvent(ids, source, event); } }; // Get the connection state of a node obj.GetConnectivityState = function (nodeid) { return obj.connectivityByNode[nodeid]; }; // Get the routing server id for a given node and connection type, can never be self. obj.GetRoutingServerId = function (nodeid, connectType) { if (obj.multiServer == null) return null; for (var serverid in obj.peerConnectivityByNode) { if (serverid == obj.serverId) continue; var state = obj.peerConnectivityByNode[serverid][nodeid]; if ((state != null) && ((state.connectivity & connectType) != 0)) { return { serverid: serverid, meshid: state.meshid }; } } return null; }; // Update the connection state of a node when in multi-server mode // Update obj.connectivityByNode using obj.peerConnectivityByNode for the list of nodes in argument obj.UpdateConnectivityState = function (nodeids) { for (var nodeid in nodeids) { var meshid = null, state = null, oldConnectivity = 0, oldPowerState = 0, newConnectivity = 0, newPowerState = 0; var oldState = obj.connectivityByNode[nodeid]; if (oldState != null) { meshid = oldState.meshid; oldConnectivity = oldState.connectivity; oldPowerState = oldState.powerState; } for (var serverid in obj.peerConnectivityByNode) { var peerState = obj.peerConnectivityByNode[serverid][nodeid]; if (peerState != null) { if (state == null) { // Copy the state state = {}; newConnectivity = state.connectivity = peerState.connectivity; newPowerState = state.powerState = peerState.powerState; meshid = state.meshid = peerState.meshid; //if (peerState.agentPower) { state.agentPower = peerState.agentPower; } //if (peerState.ciraPower) { state.ciraPower = peerState.ciraPower; } //if (peerState.amtPower) { state.amtPower = peerState.amtPower; } } else { // Merge the state state.connectivity |= peerState.connectivity; newConnectivity = state.connectivity; if ((peerState.powerState != 0) && ((state.powerState == 0) || (peerState.powerState < state.powerState))) { newPowerState = state.powerState = peerState.powerState; } meshid = state.meshid = peerState.meshid; //if (peerState.agentPower) { state.agentPower = peerState.agentPower; } //if (peerState.ciraPower) { state.ciraPower = peerState.ciraPower; } //if (peerState.amtPower) { state.amtPower = peerState.amtPower; } } } } obj.connectivityByNode[nodeid] = state; //console.log('xx', nodeid, meshid, newConnectivity, oldPowerState, newPowerState, oldPowerState); // Event any changes on this server only if ((newConnectivity != oldPowerState) || (newPowerState != oldPowerState)) { obj.DispatchEvent(obj.webserver.CreateMeshDispatchTargets(meshid), obj, { action: 'nodeconnect', meshid: meshid, nodeid: nodeid, conn: newConnectivity, pwr: newPowerState, nolog: 1, nopeers: 1 }); } } }; // Set the connectivity state of a node and setup the server so that messages can be routed correctly. // meshId: mesh identifier of format mesh/domain/meshidhex // nodeId: node identifier of format node/domain/nodeidhex // connectTime: time of connection, milliseconds elapsed since the UNIX epoch. // connectType: Bitmask, 1 = MeshAgent, 2 = Intel AMT CIRA, 4 = Intel AMT local, 8 = Intel AMT Relay, 16 = MQTT // powerState: Value, 0 = Unknown, 1 = S0 power on, 2 = S1 Sleep, 3 = S2 Sleep, 4 = S3 Sleep, 5 = S4 Hibernate, 6 = S5 Soft-Off, 7 = Present //var connectTypeStrings = ['', 'MeshAgent', 'Intel AMT CIRA', '', 'Intel AMT local', '', '', '', 'Intel AMT Relay', '', '', '', '', '', '', '', 'MQTT']; //var powerStateStrings = ['Unknown', 'Powered', 'Sleep', 'Sleep', 'Deep Sleep', 'Hibernating', 'Soft-Off', 'Present']; obj.SetConnectivityState = function (meshid, nodeid, connectTime, connectType, powerState, serverid) { //console.log('SetConnectivity for ' + nodeid.substring(0, 16) + ', Type: ' + connectTypeStrings[connectType] + ', Power: ' + powerStateStrings[powerState] + (serverid == null ? ('') : (', ServerId: ' + serverid))); if ((serverid == null) && (obj.multiServer != null)) { obj.multiServer.DispatchMessage({ action: 'SetConnectivityState', meshid: meshid, nodeid: nodeid, connectTime: connectTime, connectType: connectType, powerState: powerState }); } if (obj.multiServer == null) { // Single server mode // Change the node connection state var eventConnectChange = 0; var state = obj.connectivityByNode[nodeid]; if (state) { // Change the connection in the node and mesh state lists if ((state.connectivity & connectType) == 0) { state.connectivity |= connectType; eventConnectChange = 1; } state.meshid = meshid; } else { // Add the connection to the node and mesh state list obj.connectivityByNode[nodeid] = state = { connectivity: connectType, meshid: meshid }; eventConnectChange = 1; } // Set node power state if (connectType == 1) { state.agentPower = powerState; } else if (connectType == 2) { state.ciraPower = powerState; } else if (connectType == 4) { state.amtPower = powerState; } var powerState = 0, oldPowerState = state.powerState; if ((state.connectivity & 1) != 0) { powerState = state.agentPower; } else if ((state.connectivity & 2) != 0) { powerState = state.ciraPower; } else if ((state.connectivity & 4) != 0) { powerState = state.amtPower; } if ((state.powerState == null) || (state.powerState != powerState)) { state.powerState = powerState; eventConnectChange = 1; // Set new power state in database var record = { time: new Date(connectTime), nodeid: nodeid, power: powerState }; if (oldPowerState != null) { record.oldPower = oldPowerState; } obj.db.storePowerEvent(record, obj.multiServer); } // Event the node connection change if (eventConnectChange == 1) { obj.DispatchEvent(obj.webserver.CreateMeshDispatchTargets(meshid), obj, { action: 'nodeconnect', meshid: meshid, nodeid: nodeid, conn: state.connectivity, pwr: state.powerState, ct: connectTime, nolog: 1, nopeers: 1 }); } } else { // Multi server mode // Change the node connection state if (serverid == null) { serverid = obj.serverId; } if (obj.peerConnectivityByNode[serverid] == null) return; // Guard against unknown serverid's var state = obj.peerConnectivityByNode[serverid][nodeid]; if (state) { // Change the connection in the node and mesh state lists if ((state.connectivity & connectType) == 0) { state.connectivity |= connectType; } state.meshid = meshid; } else { // Add the connection to the node and mesh state list obj.peerConnectivityByNode[serverid][nodeid] = state = { connectivity: connectType, meshid: meshid }; } // Set node power state if (connectType == 1) { state.agentPower = powerState; } else if (connectType == 2) { state.ciraPower = powerState; } else if (connectType == 4) { state.amtPower = powerState; } var powerState = 0, oldPowerState = state.powerState; if ((state.connectivity & 1) != 0) { powerState = state.agentPower; } else if ((state.connectivity & 2) != 0) { powerState = state.ciraPower; } else if ((state.connectivity & 4) != 0) { powerState = state.amtPower; } if ((state.powerState == null) || (state.powerState != powerState)) { state.powerState = powerState; // Set new power state in database var record = { time: new Date(connectTime), nodeid: nodeid, power: powerState, server: obj.multiServer.serverid }; if (oldPowerState != null) { record.oldPower = oldPowerState; } obj.db.storePowerEvent(record, obj.multiServer); } // Update the combined node state var x = {}; x[nodeid] = 1; obj.UpdateConnectivityState(x); } }; // Clear the connectivity state of a node and setup the server so that messages can be routed correctly. // meshId: mesh identifier of format mesh/domain/meshidhex // nodeId: node identifier of format node/domain/nodeidhex // connectType: Bitmask, 1 = MeshAgent, 2 = Intel AMT CIRA, 3 = Intel AMT local. obj.ClearConnectivityState = function (meshid, nodeid, connectType, serverid) { //console.log('ClearConnectivity for ' + nodeid.substring(0, 16) + ', Type: ' + connectTypeStrings[connectType] + (serverid == null?(''):(', ServerId: ' + serverid))); if ((serverid == null) && (obj.multiServer != null)) { obj.multiServer.DispatchMessage({ action: 'ClearConnectivityState', meshid: meshid, nodeid: nodeid, connectType: connectType }); } if (obj.multiServer == null) { // Single server mode var eventConnectChange = 0; // Remove the agent connection from the nodes connection list var state = obj.connectivityByNode[nodeid]; if (state == null) return; if ((state.connectivity & connectType) != 0) { state.connectivity -= connectType; // If the node is completely disconnected, clean it up completely if (state.connectivity == 0) { delete obj.connectivityByNode[nodeid]; state.powerState = 0; } eventConnectChange = 1; } // Clear node power state if (connectType == 1) { state.agentPower = 0; } else if (connectType == 2) { state.ciraPower = 0; } else if (connectType == 4) { state.amtPower = 0; } var powerState = 0, oldPowerState = state.powerState; if ((state.connectivity & 1) != 0) { powerState = state.agentPower; } else if ((state.connectivity & 2) != 0) { powerState = state.ciraPower; } else if ((state.connectivity & 4) != 0) { powerState = state.amtPower; } if ((state.powerState == null) || (state.powerState != powerState)) { state.powerState = powerState; eventConnectChange = 1; // Set new power state in database obj.db.storePowerEvent({ time: new Date(), nodeid: nodeid, power: powerState, oldPower: oldPowerState }, obj.multiServer); } // Event the node connection change if (eventConnectChange == 1) { obj.DispatchEvent(obj.webserver.CreateMeshDispatchTargets(meshid), obj, { action: 'nodeconnect', meshid: meshid, nodeid: nodeid, conn: state.connectivity, pwr: state.powerState, nolog: 1, nopeers: 1 }); } } else { // Multi server mode // Remove the agent connection from the nodes connection list if (serverid == null) { serverid = obj.serverId; } if (obj.peerConnectivityByNode[serverid] == null) return; // Guard against unknown serverid's var state = obj.peerConnectivityByNode[serverid][nodeid]; if (state == null) return; // If existing state exist, remove this connection if ((state.connectivity & connectType) != 0) { state.connectivity -= connectType; // Remove one connectivity mode // If the node is completely disconnected, clean it up completely if (state.connectivity == 0) { delete obj.peerConnectivityByNode[serverid][nodeid]; state.powerState = 0; } } // Clear node power state if (connectType == 1) { state.agentPower = 0; } else if (connectType == 2) { state.ciraPower = 0; } else if (connectType == 4) { state.amtPower = 0; } var powerState = 0; if ((state.connectivity & 1) != 0) { powerState = state.agentPower; } else if ((state.connectivity & 2) != 0) { powerState = state.ciraPower; } else if ((state.connectivity & 4) != 0) { powerState = state.amtPower; } if ((state.powerState == null) || (state.powerState != powerState)) { state.powerState = powerState; } // Update the combined node state var x = {}; x[nodeid] = 1; obj.UpdateConnectivityState(x); } }; // Escape a code string obj.escapeCodeString = function (str) { const escapeCodeStringTable = { '\'': '\\\'', '\"': '\\"', '\\': '\\\\', '\b': '\\b', '\f': '\\f', '\n': '\\n', '\r': '\\r', '\t': '\\t' }; var r = '', c, cr, table; for (var i = 0; i < str.length; i++) { c = str[i]; table = escapeCodeStringTable[c]; if (table != null) { r += table; } else { cr = c.charCodeAt(0); if ((cr >= 32) && (cr <= 127)) { r += c; } } } return r; } // Update the default mesh core obj.updateMeshCore = function (func) { // Figure out where meshcore.js is var meshcorePath = obj.datapath; if (obj.fs.existsSync(obj.path.join(meshcorePath, 'meshcore.js')) == false) { meshcorePath = obj.path.join(__dirname, 'agents'); if (obj.fs.existsSync(obj.path.join(meshcorePath, 'meshcore.js')) == false) { obj.defaultMeshCores = obj.defaultMeshCoresHash = { }; if (func != null) { func(false); } // meshcore.js not found } } // Read meshcore.js and all .js files in the modules folder. var meshCore = null, modulesDir = null; const modulesAdd = { 'windows-amt': ['var addedModules = [];\r\n'], 'linux-amt': ['var addedModules = [];\r\n'], 'linux-noamt': ['var addedModules = [];\r\n'] }; // Read the recovery core if present var meshRecoveryCore = null; if (obj.fs.existsSync(obj.path.join(__dirname, 'agents', 'recoverycore.js')) == true) { try { meshRecoveryCore = obj.fs.readFileSync(obj.path.join(__dirname, 'agents', 'recoverycore.js')).toString(); } catch (ex) { } if (meshRecoveryCore != null) { modulesAdd['windows-recovery'] = ['var addedModules = [];\r\n']; modulesAdd['linux-recovery'] = ['var addedModules = [];\r\n']; } } // Read the agent recovery core if present var meshAgentRecoveryCore = null; if (obj.fs.existsSync(obj.path.join(__dirname, 'agents', 'meshcore_diagnostic.js')) == true) { try { meshAgentRecoveryCore = obj.fs.readFileSync(obj.path.join(__dirname, 'agents', 'meshcore_diagnostic.js')).toString(); } catch (ex) { } if (meshAgentRecoveryCore != null) { modulesAdd['windows-agentrecovery'] = ['var addedModules = [];\r\n']; modulesAdd['linux-agentrecovery'] = ['var addedModules = [];\r\n']; } } if (obj.args.minifycore !== false) { try { meshCore = obj.fs.readFileSync(obj.path.join(meshcorePath, 'meshcore.min.js')).toString(); } catch (e) { } } // Favor minified meshcore if present. if (meshCore == null) { try { meshCore = obj.fs.readFileSync(obj.path.join(meshcorePath, 'meshcore.js')).toString(); } catch (e) { } } // Use non-minified meshcore. if (meshCore != null) { var moduleDirPath = null; if (obj.args.minifycore !== false) { try { moduleDirPath = obj.path.join(meshcorePath, 'modules_meshcore_min'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Favor minified modules if present. if (modulesDir == null) { try { moduleDirPath = obj.path.join(meshcorePath, 'modules_meshcore'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Use non-minified mofules. if (modulesDir != null) { for (var i in modulesDir) { if (modulesDir[i].toLowerCase().endsWith('.js')) { var moduleName = modulesDir[i].substring(0, modulesDir[i].length - 3); if (moduleName.endsWith('.min')) { moduleName = moduleName.substring(0, moduleName.length - 4); } // Remove the ".min" for ".min.js" files. var moduleData = [ 'try { addModule("', moduleName, '", "', obj.escapeCodeString(obj.fs.readFileSync(obj.path.join(moduleDirPath, modulesDir[i])).toString('binary')), '"); addedModules.push("', moduleName, '"); } catch (e) { }\r\n' ]; // Merge this module // NOTE: "smbios" module makes some non-AI Linux segfault, only include for IA platforms. if (moduleName.startsWith('amt-') || (moduleName == 'smbios')) { // Add to IA / Intel AMT cores only modulesAdd['windows-amt'].push(...moduleData); modulesAdd['linux-amt'].push(...moduleData); } else if (moduleName.startsWith('win-')) { // Add to Windows cores only modulesAdd['windows-amt'].push(...moduleData); } else if (moduleName.startsWith('linux-')) { // Add to Linux cores only modulesAdd['linux-amt'].push(...moduleData); modulesAdd['linux-noamt'].push(...moduleData); } else { // Add to all cores modulesAdd['windows-amt'].push(...moduleData); modulesAdd['linux-amt'].push(...moduleData); modulesAdd['linux-noamt'].push(...moduleData); } // Merge this module to recovery modules if needed if (modulesAdd['windows-recovery'] != null) { if ((moduleName == 'win-console') || (moduleName == 'win-message-pump') || (moduleName == 'win-terminal')) { modulesAdd['windows-recovery'].push(...moduleData); } } // Merge this module to agent recovery modules if needed if (modulesAdd['windows-agentrecovery'] != null) { if ((moduleName == 'win-console') || (moduleName == 'win-message-pump') || (moduleName == 'win-terminal')) { modulesAdd['windows-agentrecovery'].push(...moduleData); } } } } } // Add plugins to cores if (obj.pluginHandler) { obj.pluginHandler.addMeshCoreModules(modulesAdd); } // Merge the cores and compute the hashes for (var i in modulesAdd) { if ((i == 'windows-recovery') || (i == 'linux-recovery')) { obj.defaultMeshCores[i] = [obj.common.IntToStr(0), ...modulesAdd[i], meshRecoveryCore].join(''); } else if ((i == 'windows-agentrecovery') || (i == 'linux-agentrecovery')) { obj.defaultMeshCores[i] = [obj.common.IntToStr(0), ...modulesAdd[i], meshAgentRecoveryCore].join(''); } else { obj.defaultMeshCores[i] = [obj.common.IntToStr(0), ...modulesAdd[i], meshCore].join(''); } obj.defaultMeshCoresHash[i] = obj.crypto.createHash('sha384').update(obj.defaultMeshCores[i]).digest("binary"); obj.debug('main', 'Core module ' + i + ' is ' + obj.defaultMeshCores[i].length + ' bytes.'); //console.log('Core module ' + i + ' is ' + obj.defaultMeshCores[i].length + ' bytes.'); // DEBUG, Print the core size //obj.fs.writeFile("C:\\temp\\" + i + ".js", obj.defaultMeshCores[i].substring(4)); // DEBUG, Write the core to file } } // We are done creating all the mesh cores. if (func != null) { func(true); } }; // Update the default meshcmd obj.updateMeshCmdTimer = 'notset'; obj.updateMeshCmd = function (func) { // Figure out where meshcmd.js is and read it. var meshCmd = null, meshcmdPath, moduleAdditions = ['var addedModules = [];\r\n'], moduleDirPath, modulesDir = null; if ((obj.args.minifycore !== false) && (obj.fs.existsSync(obj.path.join(obj.datapath, 'meshcmd.min.js')))) { meshcmdPath = obj.path.join(obj.datapath, 'meshcmd.min.js'); meshCmd = obj.fs.readFileSync(meshcmdPath).toString(); } else if (obj.fs.existsSync(obj.path.join(obj.datapath, 'meshcmd.js'))) { meshcmdPath = obj.path.join(obj.datapath, 'meshcmd.js'); meshCmd = obj.fs.readFileSync(meshcmdPath).toString(); } else if ((obj.args.minifycore !== false) && (obj.fs.existsSync(obj.path.join(__dirname, 'agents', 'meshcmd.min.js')))) { meshcmdPath = obj.path.join(__dirname, 'agents', 'meshcmd.min.js'); meshCmd = obj.fs.readFileSync(meshcmdPath).toString(); } else if (obj.fs.existsSync(obj.path.join(__dirname, 'agents', 'meshcmd.js'))) { meshcmdPath = obj.path.join(__dirname, 'agents', 'meshcmd.js'); meshCmd = obj.fs.readFileSync(meshcmdPath).toString(); } else { obj.defaultMeshCmd = null; if (func != null) { func(false); } } // meshcmd.js not found meshCmd = meshCmd.replace("'***Mesh*Cmd*Version***'", '\'' + getCurrentVerion() + '\''); // Figure out where the modules_meshcmd folder is. if (obj.args.minifycore !== false) { try { moduleDirPath = obj.path.join(meshcmdPath, 'modules_meshcmd_min'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Favor minified modules if present. if (modulesDir == null) { try { moduleDirPath = obj.path.join(meshcmdPath, 'modules_meshcmd'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Use non-minified mofules. if (obj.args.minifycore !== false) { if (modulesDir == null) { try { moduleDirPath = obj.path.join(__dirname, 'agents', 'modules_meshcmd_min'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } } // Favor minified modules if present. if (modulesDir == null) { try { moduleDirPath = obj.path.join(__dirname, 'agents', 'modules_meshcmd'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Use non-minified mofules. // Read all .js files in the meshcmd modules folder. if (modulesDir != null) { for (var i in modulesDir) { if (modulesDir[i].toLowerCase().endsWith('.js')) { // Merge this module var moduleName = modulesDir[i].substring(0, modulesDir[i].length - 3); if (moduleName.endsWith('.min')) { moduleName = moduleName.substring(0, moduleName.length - 4); } // Remove the ".min" for ".min.js" files. moduleAdditions.push('try { addModule("', moduleName, '", "', obj.escapeCodeString(obj.fs.readFileSync(obj.path.join(moduleDirPath, modulesDir[i])).toString('binary')), '"); addedModules.push("', moduleName, '"); } catch (e) { }\r\n'); } } } // Set the new default meshcmd.js moduleAdditions.push(meshCmd); obj.defaultMeshCmd = moduleAdditions.join(''); //console.log('MeshCmd is ' + obj.defaultMeshCmd.length + ' bytes.'); // DEBUG, Print the merged meshcmd.js size //obj.fs.writeFile("C:\\temp\\meshcmd.js", obj.defaultMeshCmd.substring(4)); // DEBUG, Write merged meshcmd.js to file if (func != null) { func(true); } // Monitor for changes in meshcmd.js if (obj.updateMeshCmdTimer === 'notset') { obj.updateMeshCmdTimer = null; obj.fs.watch(meshcmdPath, function (eventType, filename) { if (obj.updateMeshCmdTimer != null) { clearTimeout(obj.updateMeshCmdTimer); obj.updateMeshCmdTimer = null; } obj.updateMeshCmdTimer = setTimeout(function () { obj.updateMeshCmd(); }, 5000); }); } }; // List of possible mesh agent install scripts var meshAgentsInstallScriptList = { 1: { id: 1, localname: 'meshinstall-linux.sh', rname: 'meshinstall.sh', linux: true }, 2: { id: 2, localname: 'meshinstall-initd.sh', rname: 'meshagent', linux: true }, 5: { id: 5, localname: 'meshinstall-bsd-rcd.sh', rname: 'meshagent', linux: true } }; // Update the list of available mesh agents obj.updateMeshAgentInstallScripts = function () { for (var scriptid in meshAgentsInstallScriptList) { var scriptpath = obj.path.join(__dirname, 'agents', meshAgentsInstallScriptList[scriptid].localname); var stream = null; try { stream = obj.fs.createReadStream(scriptpath); stream.xdata = ''; stream.on('data', function (data) { this.hash.update(data, 'binary'); this.xdata += data; }); stream.on('error', function (data) { // If there is an error reading this file, make sure this agent is not in the agent table if (obj.meshAgentInstallScripts[this.info.id] != null) { delete obj.meshAgentInstallScripts[this.info.id]; } }); stream.on('end', function () { // Add the agent to the agent table with all information and the hash obj.meshAgentInstallScripts[this.info.id] = Object.assign({}, this.info); obj.meshAgentInstallScripts[this.info.id].hash = this.hash.digest('hex'); obj.meshAgentInstallScripts[this.info.id].path = this.agentpath; obj.meshAgentInstallScripts[this.info.id].data = this.xdata; obj.meshAgentInstallScripts[this.info.id].url = ((obj.args.notls == true) ? 'http://' : 'https://') + obj.certificates.CommonName + ':' + ((typeof obj.args.aliasport == 'number') ? obj.args.aliasport : obj.args.port) + '/meshagents?script=' + this.info.id; var stats = null; try { stats = obj.fs.statSync(this.agentpath); } catch (e) { } if (stats != null) { obj.meshAgentInstallScripts[this.info.id].size = stats.size; } // Place Unit line breaks on Linux scripts if not already present. if (obj.meshAgentInstallScripts[this.info.id].linux === true) { obj.meshAgentInstallScripts[this.info.id].data = obj.meshAgentInstallScripts[this.info.id].data.split('\r\n').join('\n') } }); stream.info = meshAgentsInstallScriptList[scriptid]; stream.agentpath = scriptpath; stream.hash = obj.crypto.createHash('sha384', stream); } catch (e) { } } }; // List of possible mesh agents obj.meshAgentsArchitectureNumbers = { 0: { id: 0, localname: 'Unknown', rname: 'meshconsole.exe', desc: 'Unknown agent', update: false, amt: true, platform: 'unknown', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 1: { id: 1, localname: 'MeshConsole.exe', rname: 'meshconsole32.exe', desc: 'Windows x86-32 console', update: true, amt: true, platform: 'win32', core: 'windows-amt', rcore: 'windows-recovery', arcore: 'windows-agentrecovery' }, 2: { id: 2, localname: 'MeshConsole64.exe', rname: 'meshconsole64.exe', desc: 'Windows x86-64 console', update: true, amt: true, platform: 'win32', core: 'windows-amt', rcore: 'windows-recovery', arcore: 'windows-agentrecovery' }, 3: { id: 3, localname: 'MeshService-signed.exe', rname: 'meshagent32.exe', desc: 'Windows x86-32 service', update: true, amt: true, platform: 'win32', core: 'windows-amt', rcore: 'windows-recovery', arcore: 'windows-agentrecovery' }, 4: { id: 4, localname: 'MeshService64-signed.exe', rname: 'meshagent64.exe', desc: 'Windows x86-64 service', update: true, amt: true, platform: 'win32', core: 'windows-amt', rcore: 'windows-recovery', arcore: 'windows-agentrecovery' }, 5: { id: 5, localname: 'meshagent_x86', rname: 'meshagent', desc: 'Linux x86-32', update: true, amt: true, platform: 'linux', core: 'linux-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 6: { id: 6, localname: 'meshagent_x86-64', rname: 'meshagent', desc: 'Linux x86-64', update: true, amt: true, platform: 'linux', core: 'linux-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 7: { id: 7, localname: 'meshagent_mips', rname: 'meshagent', desc: 'Linux MIPS', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 8: { id: 8, localname: 'MeshAgent-Linux-XEN-x86-32', rname: 'meshagent', desc: 'XEN x86-64', update: true, amt: false, platform: 'linux', core: 'linux-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 9: { id: 9, localname: 'meshagent_arm', rname: 'meshagent', desc: 'Linux ARM5', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 10: { id: 10, localname: 'MeshAgent-Linux-ARM-PlugPC', rname: 'meshagent', desc: 'Linux ARM PlugPC', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 11: { id: 11, localname: 'meshagent_osx-x86-32', rname: 'meshosx', desc: 'Apple OSX x86-32', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 12: { id: 12, localname: 'MeshAgent-Android-x86', rname: 'meshandroid', desc: 'Android x86-32', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 13: { id: 13, localname: 'meshagent_pogo', rname: 'meshagent', desc: 'Linux ARM PogoPlug', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 14: { id: 14, localname: 'MeshAgent-Android-APK', rname: 'meshandroid', desc: 'Android Market', update: false, amt: false, platform: 'android', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // Get this one from Google Play 15: { id: 15, localname: 'meshagent_poky', rname: 'meshagent', desc: 'Linux Poky x86-32', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 16: { id: 16, localname: 'meshagent_osx-x86-64', rname: 'meshagent', desc: 'Apple OSX x86-64', update: true, amt: false, platform: 'osx', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 17: { id: 17, localname: 'MeshAgent-ChromeOS', rname: 'meshagent', desc: 'Google ChromeOS', update: false, amt: false, platform: 'chromeos', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // Get this one from Chrome store 18: { id: 18, localname: 'meshagent_poky64', rname: 'meshagent', desc: 'Linux Poky x86-64', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 19: { id: 19, localname: 'meshagent_x86_nokvm', rname: 'meshagent', desc: 'Linux x86-32 NoKVM', update: true, amt: true, platform: 'linux', core: 'linux-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 20: { id: 20, localname: 'meshagent_x86-64_nokvm', rname: 'meshagent', desc: 'Linux x86-64 NoKVM', update: true, amt: true, platform: 'linux', core: 'linux-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 21: { id: 21, localname: 'MeshAgent-WinMinCore-Console-x86-32.exe', rname: 'meshagent.exe', desc: 'Windows MinCore Console x86-32', update: true, amt: false, platform: 'win32', core: 'windows-amt', rcore: 'windows-recovery', arcore: 'windows-agentrecovery' }, 22: { id: 22, localname: 'MeshAgent-WinMinCore-Service-x86-64.exe', rname: 'meshagent.exe', desc: 'Windows MinCore Service x86-32', update: true, amt: false, platform: 'win32', core: 'windows-amt', rcore: 'windows-recovery', arcore: 'windows-agentrecovery' }, 23: { id: 23, localname: 'MeshAgent-NodeJS', rname: 'meshagent', desc: 'NodeJS', update: false, amt: false, platform: 'node', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // Get this one from NPM 24: { id: 24, localname: 'meshagent_arm-linaro', rname: 'meshagent', desc: 'Linux ARM Linaro', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, 25: { id: 25, localname: 'meshagent_armhf', rname: 'meshagent', desc: 'Linux ARM - HardFloat', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // "armv6l" and "armv7l" 26: { id: 26, localname: 'meshagent_arm64', rname: 'meshagent', desc: 'Linux ARMv8-64', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // "aarch64" 27: { id: 27, localname: 'meshagent_armhf2', rname: 'meshagent', desc: 'Linux ARM - HardFloat', update: true, amt: false, platform: 'linux', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // Raspbian 7 2015-02-02 for old Raspberry Pi. 30: { id: 30, localname: 'meshagent_freebsd_x86-64', rname: 'meshagent', desc: 'FreeBSD x86-64', update: true, amt: false, platform: 'freebsd', core: 'linux-noamt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // FreeBSD x64 10003: { id: 3, localname: 'MeshService.exe', rname: 'meshagent.exe', desc: 'Windows x86-32 service', update: true, amt: true, platform: 'win32', core: 'windows-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' }, // Unsigned version of the Windows MeshAgent x86 10004: { id: 4, localname: 'MeshService64.exe', rname: 'meshagent.exe', desc: 'Windows x86-64 service', update: true, amt: true, platform: 'win32', core: 'windows-amt', rcore: 'linux-recovery', arcore: 'linux-agentrecovery' } // Unsigned version of the Windows MeshAgent x64 }; // Update the list of available mesh agents obj.updateMeshAgentsTable = function (func) { var archcount = 0; for (var archid in obj.meshAgentsArchitectureNumbers) { var agentpath = obj.path.join(__dirname, 'agents', obj.meshAgentsArchitectureNumbers[archid].localname); // Fetch all the agent binary information var stats = null; try { stats = obj.fs.statSync(agentpath); } catch (e) { } if ((stats != null)) { // If file exists archcount++; obj.meshAgentBinaries[archid] = Object.assign({}, obj.meshAgentsArchitectureNumbers[archid]); obj.meshAgentBinaries[archid].path = agentpath; obj.meshAgentBinaries[archid].url = ((obj.args.notls == true) ? 'http://' : 'https://') + obj.certificates.CommonName + ':' + ((typeof obj.args.aliasport == 'number') ? obj.args.aliasport : obj.args.port) + '/meshagents?id=' + archid; obj.meshAgentBinaries[archid].size = stats.size; // If this is a windows binary, pull binary information if (obj.meshAgentsArchitectureNumbers[archid].platform == 'win32') { try { obj.meshAgentBinaries[archid].pe = obj.exeHandler.parseWindowsExecutable(agentpath); } catch (e) { } } // If agents must be stored in RAM or if this is a Windows 32/64 agent, load the agent in RAM. if ((obj.args.agentsinram === true) || (((archid == 3) || (archid == 4)) && (obj.args.agentsinram !== false))) { if ((archid == 3) || (archid == 4)) { // Load the agent with a random msh added to it. var outStream = new require('stream').Duplex(); outStream.meshAgentBinary = obj.meshAgentBinaries[archid]; outStream.meshAgentBinary.randomMsh = Buffer.from(obj.crypto.randomBytes(64), 'binary').toString('base64'); outStream.bufferList = []; outStream._write = function (chunk, encoding, callback) { this.bufferList.push(chunk); if (callback) callback(); }; // Append the chuck. outStream._read = function (size) { }; // Do nothing, this is not going to be called. outStream.on('finish', function () { this.meshAgentBinary.data = Buffer.concat(this.bufferList); this.meshAgentBinary.size = this.meshAgentBinary.data.length; delete this.bufferList; }) // Merge all chunks obj.exeHandler.streamExeWithMeshPolicy( { platform: 'win32', sourceFileName: agentpath, destinationStream: outStream, randomPolicy: true, // Indicates that the msh policy is random data. msh: outStream.meshAgentBinary.randomMsh, peinfo: obj.meshAgentBinaries[archid].pe }); } else { // Load the agent as-is obj.meshAgentBinaries[archid].data = obj.fs.readFileSync(agentpath); } } // Hash the binary var hashStream = obj.crypto.createHash('sha384'); hashStream.archid = archid; hashStream.on('data', function (data) { obj.meshAgentBinaries[this.archid].hash = data.toString('binary'); obj.meshAgentBinaries[this.archid].hashhex = data.toString('hex'); if ((--archcount == 0) && (func != null)) { func(); } }); var options = { sourcePath: agentpath, targetStream: hashStream, platform: obj.meshAgentsArchitectureNumbers[archid].platform }; if (obj.meshAgentBinaries[archid].pe != null) { options.peinfo = obj.meshAgentBinaries[archid].pe; } obj.exeHandler.hashExecutableFile(options); } } if ((obj.meshAgentBinaries[3] == null) && (obj.meshAgentBinaries[10003] != null)) { obj.meshAgentBinaries[3] = obj.meshAgentBinaries[10003]; } // If only the unsigned windows binaries are present, use them. if ((obj.meshAgentBinaries[4] == null) && (obj.meshAgentBinaries[10004] != null)) { obj.meshAgentBinaries[4] = obj.meshAgentBinaries[10004]; } // If only the unsigned windows binaries are present, use them. }; // Generate a time limited user login token obj.getLoginToken = function (userid, func) { if ((userid == null) || (typeof userid != 'string')) { func('Invalid userid.'); return; } var x = userid.split('/'); if (x == null || x.length != 3 || x[0] != 'user') { func('Invalid userid.'); return; } obj.db.Get(userid, function (err, docs) { if (err != null || docs == null || docs.length == 0) { func('User ' + userid + ' not found.'); return; } else { // Load the login cookie encryption key from the database obj.db.Get('LoginCookieEncryptionKey', function (err, docs) { if ((docs.length > 0) && (docs[0].key != null) && (obj.args.logintokengen == null) && (docs[0].key.length >= 160)) { // Key is present, use it. obj.loginCookieEncryptionKey = Buffer.from(docs[0].key, 'hex'); func(obj.encodeCookie({ u: userid, a: 3 }, obj.loginCookieEncryptionKey)); } else { // Key is not present, generate one. obj.loginCookieEncryptionKey = obj.generateCookieKey(); obj.db.Set({ _id: 'LoginCookieEncryptionKey', key: obj.loginCookieEncryptionKey.toString('hex'), time: Date.now() }, function () { func(obj.encodeCookie({ u: userid, a: 3 }, obj.loginCookieEncryptionKey)); }); } }); } }); }; // Show the user login token generation key obj.showLoginTokenKey = function (func) { // Load the login cookie encryption key from the database obj.db.Get('LoginCookieEncryptionKey', function (err, docs) { if ((docs.length > 0) && (docs[0].key != null) && (obj.args.logintokengen == null) && (docs[0].key.length >= 160)) { // Key is present, use it. func(docs[0].key); } else { // Key is not present, generate one. obj.loginCookieEncryptionKey = obj.generateCookieKey(); obj.db.Set({ _id: 'LoginCookieEncryptionKey', key: obj.loginCookieEncryptionKey.toString('hex'), time: Date.now() }, function () { func(obj.loginCookieEncryptionKey.toString('hex')); }); } }); }; // Generate a cryptographic key used to encode and decode cookies obj.generateCookieKey = function () { return Buffer.from(obj.crypto.randomBytes(80), 'binary'); //return Buffer.alloc(80, 0); // Sets the key to zeros, debug only. }; // Encode an object as a cookie using a key using AES-GCM. (key must be 32 bytes or more) obj.encodeCookie = function (o, key) { try { if (key == null) { key = obj.serverKey; } o.time = Math.floor(Date.now() / 1000); // Add the cookie creation time const iv = Buffer.from(obj.crypto.randomBytes(12), 'binary'), cipher = obj.crypto.createCipheriv('aes-256-gcm', key.slice(0, 32), iv); const crypted = Buffer.concat([cipher.update(JSON.stringify(o), 'utf8'), cipher.final()]); var r = Buffer.concat([iv, cipher.getAuthTag(), crypted]).toString('base64').replace(/\+/g, '@').replace(/\//g, '$'); obj.debug('cookie', 'Encoded AESGCM cookie: ' + JSON.stringify(o)); return r; } catch (ex) { obj.debug('cookie', 'ERR: Failed to encode AESGCM cookie due to exception: ' + ex); return null; } }; // Decode a cookie back into an object using a key using AES256-GCM or AES128-CBC/HMAC-SHA386. Return null if it's not a valid cookie. (key must be 32 bytes or more) obj.decodeCookie = function (cookie, key, timeout) { var r = obj.decodeCookieAESGCM(cookie, key, timeout); if (r == null) { r = obj.decodeCookieAESSHA(cookie, key, timeout); } if ((r != null) && (typeof r.once == 'string') && (r.once.length > 0)) { // This cookie must only be used once. if (timeout == null) { timeout = 2; } if (obj.cookieUseOnceTable[r.once] == null) { const ctimeout = (((r.expire) == null || (typeof r.expire != 'number')) ? (r.time + ((timeout + 3) * 60000)) : (r.time + ((r.expire + 3) * 60000))); // Store the used cookie in RAM obj.cookieUseOnceTable[r.once] = ctimeout; // Store the used cookie in the database // TODO // Send the used cookie to peer servers // TODO // Clean up the used table if (++obj.cookieUseOnceTableCleanCounter > 20) { const now = Date.now(); for (var i in obj.cookieUseOnceTable) { if (obj.cookieUseOnceTable[i] < now) { delete obj.cookieUseOnceTable[i]; } } obj.cookieUseOnceTableCleanCounter = 0; } } else { return null; } } return r; } // Decode a cookie back into an object using a key using AES256-GCM. Return null if it's not a valid cookie. (key must be 32 bytes or more) obj.decodeCookieAESGCM = function (cookie, key, timeout) { try { if (key == null) { key = obj.serverKey; } cookie = Buffer.from(cookie.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64'); const decipher = obj.crypto.createDecipheriv('aes-256-gcm', key.slice(0, 32), cookie.slice(0, 12)); decipher.setAuthTag(cookie.slice(12, 16)); const o = JSON.parse(decipher.update(cookie.slice(28), 'binary', 'utf8') + decipher.final('utf8')); if ((o.time == null) || (o.time == null) || (typeof o.time != 'number')) { obj.debug('cookie', 'ERR: Bad cookie due to invalid time'); return null; } o.time = o.time * 1000; // Decode the cookie creation time o.dtime = Date.now() - o.time; // Decode how long ago the cookie was created (in milliseconds) if ((o.expire) == null || (typeof o.expire != 'number')) { // Use a fixed cookie expire time if (timeout == null) { timeout = 2; } if ((o.dtime > (timeout * 60000)) || (o.dtime < -30000)) { obj.debug('cookie', 'ERR: Bad cookie due to timeout'); return null; } // The cookie is only valid 120 seconds, or 30 seconds back in time (in case other server's clock is not quite right) } else { // An expire time is included in the cookie (in minutes), use this. if ((o.expire !== 0) && ((o.dtime > (o.expire * 60000)) || (o.dtime < -30000))) { obj.debug('cookie', 'ERR: Bad cookie due to timeout'); return null; } // The cookie is only valid 120 seconds, or 30 seconds back in time (in case other server's clock is not quite right) } obj.debug('cookie', 'Decoded AESGCM cookie: ' + JSON.stringify(o)); return o; } catch (ex) { obj.debug('cookie', 'ERR: Bad AESGCM cookie due to exception: ' + ex); return null; } }; // Decode a cookie back into an object using a key using AES256 / HMAC-SHA386. Return null if it's not a valid cookie. (key must be 80 bytes or more) // We do this because poor .NET does not support AES256-GCM. obj.decodeCookieAESSHA = function (cookie, key, timeout) { try { if (key == null) { key = obj.serverKey; } if (key.length < 80) { return null; } cookie = Buffer.from(cookie.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64'); const decipher = obj.crypto.createDecipheriv('aes-256-cbc', key.slice(48, 80), cookie.slice(0, 16)); const rawmsg = decipher.update(cookie.slice(16), 'binary', 'binary') + decipher.final('binary'); const hmac = obj.crypto.createHmac('sha384', key.slice(0, 48)); hmac.update(rawmsg.slice(48)); if (Buffer.compare(hmac.digest(), Buffer.from(rawmsg.slice(0, 48))) == false) { return null; } const o = JSON.parse(rawmsg.slice(48).toString('utf8')); if ((o.time == null) || (o.time == null) || (typeof o.time != 'number')) { obj.debug('cookie', 'ERR: Bad cookie due to invalid time'); return null; } o.time = o.time * 1000; // Decode the cookie creation time o.dtime = Date.now() - o.time; // Decode how long ago the cookie was created (in milliseconds) if ((o.expire) == null || (typeof o.expire != 'number')) { // Use a fixed cookie expire time if (timeout == null) { timeout = 2; } if ((o.dtime > (timeout * 60000)) || (o.dtime < -30000)) { obj.debug('cookie', 'ERR: Bad cookie due to timeout'); return null; } // The cookie is only valid 120 seconds, or 30 seconds back in time (in case other server's clock is not quite right) } else { // An expire time is included in the cookie (in minutes), use this. if ((o.expire !== 0) && ((o.dtime > (o.expire * 60000)) || (o.dtime < -30000))) { obj.debug('cookie', 'ERR: Bad cookie due to timeout'); return null; } // The cookie is only valid 120 seconds, or 30 seconds back in time (in case other server's clock is not quite right) } obj.debug('cookie', 'Decoded AESSHA cookie: ' + JSON.stringify(o)); return o; } catch (ex) { obj.debug('cookie', 'ERR: Bad AESSHA cookie due to exception: ' + ex); return null; } }; // Debug obj.debug = function (source, ...args) { // Send event to console if ((obj.debugSources != null) && ((obj.debugSources == '*') || (obj.debugSources.indexOf(source) >= 0))) { console.log(source.toUpperCase() + ':', ...args); } // Send event to log file if (obj.config.settings && obj.config.settings.log) { if (typeof obj.args.log == 'string') { obj.args.log = obj.args.log.split(','); } if (obj.args.log.indexOf(source) >= 0) { const d = new Date(); if (obj.xxLogFile == null) { try { obj.xxLogFile = obj.fs.openSync(obj.getConfigFilePath('log.txt'), 'a+', 666); obj.fs.writeSync(obj.xxLogFile, '---- Log start at ' + new Date().toLocaleString() + ' ----\r\n'); obj.xxLogDateStr = d.toLocaleDateString(); } catch (ex) { } } if (obj.xxLogFile != null) { try { if (obj.xxLogDateStr != d.toLocaleDateString()) { obj.xxLogDateStr = d.toLocaleDateString(); obj.fs.writeSync(obj.xxLogFile, '---- ' + d.toLocaleDateString() + ' ----\r\n'); } obj.fs.writeSync(obj.xxLogFile, new Date().toLocaleTimeString() + ' - ' + source + ': ' + Array.prototype.slice.call(...args).join('') + '\r\n'); } catch (ex) { } } } } // Send the event to logged in administrators if ((obj.debugRemoteSources != null) && ((obj.debugRemoteSources == '*') || (obj.debugRemoteSources.indexOf(source) >= 0))) { var sendcount = 0; for (var sessionid in obj.webserver.wssessions2) { var ws = obj.webserver.wssessions2[sessionid]; if ((ws != null) && (ws.userid != null)) { var user = obj.webserver.users[ws.userid]; if ((user != null) && (user.siteadmin == 4294967295)) { try { ws.send(JSON.stringify({ action: 'trace', source: source, args: args, time: Date.now() })); sendcount++; } catch (ex) { } } } } if (sendcount == 0) { obj.debugRemoteSources = null; } // If there are no listeners, remove debug sources. } }; // Update server state. Writes a server state file. var meshServerState = {}; obj.updateServerState = function (name, val) { //console.log('updateServerState', name, val); try { if ((name != null) && (val != null)) { var changed = false; if ((name != null) && (meshServerState[name] != val)) { if ((val == null) && (meshServerState[name] != null)) { delete meshServerState[name]; changed = true; } else { if (meshServerState[name] != val) { meshServerState[name] = val; changed = true; } } } if (changed == false) return; } var r = 'time=' + Date.now() + '\r\n'; for (var i in meshServerState) { r += (i + '=' + meshServerState[i] + '\r\n'); } try { obj.fs.writeFileSync(obj.getConfigFilePath('serverstate.txt'), r); // Try to write the server state, this may fail if we don't have permission. } catch (ex) { obj.serverSelfWriteAllowed = false; } } catch (ex) { } // Do nothing since this is not a critical feature. }; // Logging funtions function logException(e) { e += ''; logErrorEvent(e); } function logInfoEvent(msg) { if (obj.servicelog != null) { obj.servicelog.info(msg); } console.log(msg); } function logWarnEvent(msg) { if (obj.servicelog != null) { obj.servicelog.warn(msg); } console.log(msg); } function logErrorEvent(msg) { if (obj.servicelog != null) { obj.servicelog.error(msg); } console.error(msg); } obj.getServerWarnings = function () { return serverWarnings; } obj.addServerWarning = function(msg, print) { serverWarnings.push(msg); if (print !== false) { console.log("WARNING: " + msg); } } // Return the path of a file into the meshcentral-data path obj.getConfigFilePath = function (filename) { if ((obj.config != null) && (obj.config.configfiles != null) && (obj.config.configfiles[filename] != null) && (typeof obj.config.configfiles[filename] == 'string')) { //console.log('getConfigFilePath(\"' + filename + '\") = ' + obj.config.configfiles[filename]); return obj.config.configfiles[filename]; } //console.log('getConfigFilePath(\"' + filename + '\") = ' + obj.path.join(obj.datapath, filename)); return obj.path.join(obj.datapath, filename); }; return obj; } // Resolve a list of names, call back with list of failed resolves. function checkResolveAll(names, func) { var dns = require('dns'), state = { func: func, count: names.length, err: null }; for (var i in names) { dns.resolve(names[i], function (err, records) { if (err != null) { if (this.state.err == null) { this.state.err = [this.name]; } else { this.state.err.push(this.name); } } if (--this.state.count == 0) { this.state.func(this.state.err); } }.bind({ name: names[i], state: state })) } } // Return the server configuration function getConfig(createSampleConfig) { // Figure out the datapath location var i, fs = require('fs'), path = require('path'), datapath = null; var args = require('minimist')(process.argv.slice(2)); if ((__dirname.endsWith('/node_modules/meshcentral')) || (__dirname.endsWith('\\node_modules\\meshcentral')) || (__dirname.endsWith('/node_modules/meshcentral/')) || (__dirname.endsWith('\\node_modules\\meshcentral\\'))) { datapath = path.join(__dirname, '../../meshcentral-data'); } else { datapath = path.join(__dirname, '../meshcentral-data'); } if (args.datapath) { datapath = args.datapath; } try { fs.mkdirSync(datapath); } catch (e) { } // Read configuration file if present and change arguments. var config = {}, configFilePath = path.join(datapath, 'config.json'); if (fs.existsSync(configFilePath)) { // Load and validate the configuration file try { config = require(configFilePath); } catch (e) { console.log('ERROR: Unable to parse ' + configFilePath + '.'); return null; } if (config.domains == null) { config.domains = {}; } for (i in config.domains) { if ((i.split('/').length > 1) || (i.split(' ').length > 1)) { console.log("ERROR: Error in config.json, domain names can't have spaces or /."); return null; } } } else { if (createSampleConfig === true) { // Copy the "sample-config.json" to give users a starting point var sampleConfigPath = path.join(__dirname, 'sample-config.json'); if (fs.existsSync(sampleConfigPath)) { fs.createReadStream(sampleConfigPath).pipe(fs.createWriteStream(configFilePath)); } } } // Set the command line arguments to the config file if they are not present if (!config.settings) { config.settings = {}; } for (i in args) { config.settings[i] = args[i]; } // Lower case all keys in the config file try { require('./common.js').objKeysToLower(config, ["ldapoptions"]); } catch (ex) { console.log('CRITICAL ERROR: Unable to access the file \"./common.js\".\r\nCheck folder & file permissions.'); process.exit(); } return config; } // Check if a list of modules are present and install any missing ones function InstallModules(modules, func) { var missingModules = []; if (modules.length > 0) { var dependencies = require("./package.json").dependencies; for (var i in modules) { // Modules may contain a version tag (foobar@1.0.0), remove it so the module can be found using require var moduleNameAndVersion = modules[i]; var moduleInfo = moduleNameAndVersion.split("@", 2); var moduleName = moduleInfo[0]; var moduleVersion = moduleInfo[1]; try { // Does the module need a specific version? if (moduleVersion) { if (require(`${moduleName}/package.json`).version != moduleVersion) { throw new Error(); } } else { // For all other modules, do the check here. // Is the module in package.json? Install exact version. if (typeof dependencies[moduleName] != undefined) { moduleVersion = dependencies[moduleName]; } require(moduleName); } } catch (e) { if (previouslyInstalledModules[modules[i]] !== true) { missingModules.push(moduleNameAndVersion); } } } if (missingModules.length > 0) { InstallModule(missingModules.shift(), InstallModules, modules, func); } else { func(); } } } // Check if a module is present and install it if missing function InstallModule(modulename, func, tag1, tag2) { console.log('Installing ' + modulename + '...'); var child_process = require('child_process'); var parentpath = __dirname; // Get the working directory if ((__dirname.endsWith('/node_modules/meshcentral')) || (__dirname.endsWith('\\node_modules\\meshcentral')) || (__dirname.endsWith('/node_modules/meshcentral/')) || (__dirname.endsWith('\\node_modules\\meshcentral\\'))) { parentpath = require('path').join(__dirname, '../..'); } child_process.exec(`npm install --no-save --no-optional ${modulename}`, { maxBuffer: 512000, timeout: 120000, cwd: parentpath }, function (error, stdout, stderr) { if ((error != null) && (error != '')) { console.log('ERROR: Unable to install required module "' + modulename + '". MeshCentral may not have access to npm, or npm may not have suffisent rights to load the new module. Try "npm install ' + modulename + '" to manualy install this module.\r\n'); process.exit(); return; } previouslyInstalledModules[modulename] = true; func(tag1, tag2); return; }); } // Detect CTRL-C on Linux and stop nicely process.on('SIGINT', function () { if (meshserver != null) { meshserver.Stop(); meshserver = null; } console.log('Server Ctrl-C exit...'); process.exit(); }); // Add a server warning, warnings will be shown to the administrator on the web application var serverWarnings = []; function addServerWarning(msg, print) { serverWarnings.push(msg); if (print !== false) { console.log("WARNING: " + msg); } } // Load the really basic modules var meshserver = null; var childProcess = null; var previouslyInstalledModules = {}; function mainStart() { // Check the NodeJS is version 6 or better. if (Number(process.version.match(/^v(\d+\.\d+)/)[1]) < 6) { console.log("MeshCentral requires Node v6 or above, current version is " + process.version + "."); return; } // If running within the node_modules folder, move working directory to the parent of the node_modules folder. if (__dirname.endsWith('\\node_modules\\meshcentral') || __dirname.endsWith('/node_modules/meshcentral')) { process.chdir(require('path').join(__dirname, '..', '..')); } // Check for any missing modules. InstallModules(['minimist'], function () { // Parse inbound arguments var args = require('minimist')(process.argv.slice(2)); // Get the server configuration var config = getConfig(false); if (config == null) { process.exit(); } // Lowercase the auth value if present for (var i in config.domains) { if (typeof config.domains[i].auth == 'string') { config.domains[i].auth = config.domains[i].auth.toLowerCase(); } } // Check is Windows SSPI and YubiKey OTP will be used var sspi = false; var ldap = false; var allsspi = true; var yubikey = false; var domainCount = 0; if (require('os').platform() == 'win32') { for (var i in config.domains) { domainCount++; if (config.domains[i].auth == 'sspi') { sspi = true; } else { allsspi = false; } } } else { allsspi = false; } if (domainCount == 0) { allsspi = false; } for (var i in config.domains) { if (config.domains[i].yubikey != null) { yubikey = true; } if (config.domains[i].auth == 'ldap') { ldap = true; } } // Get the current node version var nodeVersion = Number(process.version.match(/^v(\d+\.\d+)/)[1]); // Build the list of required modules var modules = ['ws', 'cbor', 'nedb', 'https', 'yauzl', 'xmldom', 'ipcheck', 'express', 'archiver', 'multiparty', 'node-forge', 'express-ws', 'compression', 'body-parser', 'connect-redis', 'cookie-session', 'express-handlebars']; if (require('os').platform() == 'win32') { modules.push('node-windows'); if (sspi == true) { modules.push('node-sspi'); } } // Add Windows modules if (ldap == true) { modules.push('ldapauth-fork'); } if (config.letsencrypt != null) { if ((nodeVersion < 10) || (require('crypto').generateKeyPair == null)) { addServerWarning("Let's Encrypt support requires Node v10.12 or higher.", !args.launch); } else { modules.push('greenlock'); } } // Add Greenlock Module if (config.settings.mqtt != null) { modules.push('aedes'); } // Add MQTT Modules if (config.settings.mongodb != null) { modules.push('mongodb'); } // Add MongoDB, official driver. if (config.settings.vault != null) { modules.push('node-vault'); } // Add official HashiCorp's Vault module. if (config.settings.plugins != null) { modules.push('semver'); } // Required for version compat testing and update checks if ((config.settings.plugins != null) && (config.settings.plugins.proxy != null)) { modules.push('https-proxy-agent'); } // Required for HTTP/HTTPS proxy support else if (config.settings.xmongodb != null) { modules.push('mongojs'); } // Add MongoJS, old driver. if (config.smtp != null) { modules.push('nodemailer'); } // Add SMTP support // If running NodeJS < 8, install "util.promisify" if (nodeVersion < 8) { modules.push('util.promisify'); } // Setup encrypted zip support if needed if (config.settings.autobackup && config.settings.autobackup.zippassword) { modules.push('archiver-zip-encrypted'); } // Setup 2nd factor authentication if (config.settings.no2factorauth !== true) { // Setup YubiKey OTP if configured if (yubikey == true) { modules.push('yubikeyotp'); } // Add YubiKey OTP support if (allsspi == false) { modules.push('otplib'); } // Google Authenticator support } // Install any missing modules and launch the server InstallModules(modules, function () { meshserver = CreateMeshCentralServer(config, args); meshserver.Start(); }); // On exit, also terminate the child process if applicable process.on("exit", function () { if (childProcess) { childProcess.kill(); childProcess = null; } }); // If our parent exits, we also exit if (args.launch) { process.stderr.on('end', function () { process.exit(); }); process.stdout.on('end', function () { process.exit(); }); process.stdin.on('end', function () { process.exit(); }); process.stdin.on('data', function (data) { }); } }); } if (require.main === module) { mainStart(); // Called directly, launch normally. } else { module.exports.mainStart = mainStart; // Required as a module, useful for winservice.js }