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meshcentral.js
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/**
* @description MeshCentral main module
* @author Ylian Saint-Hilaire
* @copyright Intel Corporation 2018-2019
* @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.currentVer = 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
try { obj.currentVer = JSON.parse(obj.fs.readFileSync(obj.path.join(__dirname, 'package.json'), 'utf8')).version; } catch (e) { } // Fetch server version
// 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', 'cert', 'mpscert', 'deletedomain', 'deletedefaultdomain', 'showall', 'showusers', 'shownodes', 'showmeshes', 'showevents', 'showpower', 'clearpower', 'showiplocations', 'help', 'exactports', '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'];
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' + obj.currentVer + ', a open source remote computer management web portal.');
console.log('Details at: https://www.meshcommander.com/meshcentral2\r\n');
if (obj.platform == 'win32') {
console.log('Run as a Windows Service');
console.log(' --install/uninstall Install Meshcentral as a background service.');
console.log(' --start/stop/restart Control Meshcentral background service.');
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;
}
// Check if we need to install, start, stop, remove ourself as a background service
if ((obj.service != null) && ((obj.args.install == true) || (obj.args.uninstall == true) || (obj.args.start == true) || (obj.args.stop == true) || (obj.args.restart == true))) {
var env = [], xenv = ['user', 'port', 'aliasport', 'mpsport', 'mpsaliasport', 'redirport', 'exactport', '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.install == 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.uninstall == true) { try { svc.uninstall(); } catch (e) { logException(e); } }
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 xxprocess = child_process.exec(npmpath + ' install meshcentral' + version + npmproxy, { maxBuffer: Infinity, cwd: obj.parentpath }, 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; } console.log(data); });
childProcess.stderr.on('data', function (data) {
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() + ' ---- ' + obj.currentVer + ' --------\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(obj.currentVer, 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 xxprocess = child_process.exec(npmpath + npmproxy + ' view meshcentral dist-tags.latest', { maxBuffer: 512000, cwd: obj.parentpath }, 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(obj.currentVer, latestVer);
});
} catch (ex) { callback(obj.currentVer, 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)) { console.log('WARNING: unrecognized configuration option \"' + i + '\".'); } } }
if (typeof obj.args.userallowedip == 'string') { if (obj.args.userallowedip == '') { obj.args.userallowedip = null; } else { obj.args.userallowedip = obj.args.userallowedip.split(','); } }
if (typeof obj.args.userblockedip == 'string') { if (obj.args.userblockedip == '') { obj.args.userblockedip = null; } else { obj.args.userblockedip = obj.args.userblockedip.split(','); } }
if (typeof obj.args.agentallowedip == 'string') { if (obj.args.agentallowedip == '') { obj.args.agentallowedip = null; } else { obj.args.agentallowedip = obj.args.agentallowedip.split(','); } }
if (typeof obj.args.agentblockedip == 'string') { if (obj.args.agentblockedip == '') { obj.args.agentblockedip = null; } else { 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.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.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; }
// 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 (obj.currentVer !== 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', '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) { if (obj.config.domains[i].title == null) { obj.config.domains[i].title = 'MeshCentral'; } if (obj.config.domains[i].title2 == null) { obj.config.domains[i].title2 = '2.0 Beta 2'; } 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 (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].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].userallowedip.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].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))) { console.log("WARNING: 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)) { console.log("WARNING: Can't have more than 4 CIRA local FQDN's. Ignoring value."); obj.args.ciralocalfqdn = null; }
if (obj.args.ignoreagenthashcheck === true) { console.log("WARNING: 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.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)) {
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) {
if ((obj.config.letsencrypt == null) || (obj.redirserver == null)) {
obj.StartEx3(certs); // Just use the configured certificates
} else {
var le = require('./letsencrypt.js');
obj.letsencrypt = le.CreateLetsEncrypt(obj);
if (obj.letsencrypt != null) {
obj.letsencrypt.getCertificate(certs, obj.StartEx3); // Use Let's Encrypt certificate
} else {
console.log("ERROR: Unable to setup GreenLock module.");
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" + obj.currentVer + ', ' + (["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) { console.log("WARNING: 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; }