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meshcentral.js
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meshcentral.js
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/**
* @description MeshCentral main module
* @author Ylian Saint-Hilaire
* @copyright Intel Corporation 2018-2022
* @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";
const common = require('./common.js');
// 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 (ex) { } }
function CreateMeshCentralServer(config, args) {
const obj = {};
obj.db = null;
obj.webserver = null; // HTTPS main web server, typically on port 443
obj.redirserver = null; // HTTP relay web server, typically on port 80
obj.mpsserver = null; // Intel AMT CIRA server, typically on port 4433
obj.mqttbroker = null; // MQTT server, not is not often used
obj.swarmserver = null; // Swarm server, this is used only to update older MeshCentral v1 agents
obj.smsserver = null; // SMS server, used to send user SMS messages
obj.msgserver = null; // Messaging server, used to sent used messages
obj.amtEventHandler = null;
obj.pluginHandler = null;
obj.amtScanner = null;
obj.amtManager = null; // Intel AMT manager, used to oversee all Intel AMT devices, activate them and sync policies
obj.meshScanner = null;
obj.taskManager = null;
obj.letsencrypt = null; // Let's encrypt server, used to get and renew TLS certificates
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 = common;
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.defaultMeshCoresDeflate = {};
obj.defaultMeshCoresHash = {};
obj.meshToolsBinaries = {}; // Mesh Tools Binaries, ToolName --> { hash:(sha384 hash), size:(binary size), path:(binary path) }
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.ipKvmManager = 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
obj.firstStats = true; // True until this server saves it's not stats to the database
// Server version
obj.currentVer = null;
function getCurrentVersion() { try { obj.currentVer = JSON.parse(obj.fs.readFileSync(obj.path.join(__dirname, 'package.json'), 'utf8')).version; } catch (ex) { } return obj.currentVer; } // Fetch server version
getCurrentVersion();
// 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-backups');
obj.recordpath = obj.path.join(__dirname, '../../meshcentral-recordings');
obj.webViewsPath = obj.path.join(__dirname, 'views');
obj.webPublicPath = obj.path.join(__dirname, 'public');
obj.webEmailsPath = obj.path.join(__dirname, 'emails');
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'); }
if (obj.fs.existsSync(obj.path.join(__dirname, '../../meshcentral-web/emails'))) { obj.webEmailsOverridePath = obj.path.join(__dirname, '../../meshcentral-web/emails'); }
} 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.webViewsPath = obj.path.join(__dirname, 'views');
obj.webPublicPath = obj.path.join(__dirname, 'public');
obj.webEmailsPath = obj.path.join(__dirname, 'emails');
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'); }
if (obj.fs.existsSync(obj.path.join(__dirname, '../meshcentral-web/emails'))) { obj.webEmailsOverridePath = obj.path.join(__dirname, '../meshcentral-web/emails'); }
}
// Clean up any temporary files
const removeTime = new Date(Date.now()).getTime() - (30 * 60 * 1000); // 30 minutes
const dir = obj.fs.readdir(obj.path.join(obj.filespath, 'tmp'), function (err, files) {
if (err != null) return;
for (var i in files) { try { const filepath = obj.path.join(obj.filespath, 'tmp', files[i]); if (obj.fs.statSync(filepath).mtime.getTime() < removeTime) { obj.fs.unlink(filepath, function () { }); } } catch (ex) { } }
});
// 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 (ex) { }
try { obj.fs.mkdirSync(obj.filespath); } catch (ex) { }
// Windows Specific Code, setup service and event log
obj.service = null;
obj.servicelog = null;
if (obj.platform == 'win32') {
const nodewindows = require('node-windows');
obj.service = nodewindows.Service;
const 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 (ex) { console.log('Old version of node, must upgrade.'); return; } // TODO: Not sure if this test works or not.
// Check for invalid arguments
const validArguments = ['_', 'user', 'port', 'aliasport', 'mpsport', 'mpsaliasport', 'redirport', 'rediraliasport', 'cert', 'mpscert', 'deletedomain', 'deletedefaultdomain', 'showall', 'showusers', 'showitem', 'listuserids', 'showusergroups', 'shownodes', 'showallmeshes', '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', 'dbfix', 'dbencryptkey', 'selfupdate', 'tlsoffload', 'usenodedefaulttlsciphers', 'tlsciphers', 'userallowedip', 'userblockedip', 'swarmallowedip', 'agentallowedip', 'agentblockedip', 'fastcert', 'swarmport', 'logintoken', 'logintokenkey', 'logintokengen', 'mailtokengen', 'admin', 'unadmin', 'sessionkey', 'sessiontime', 'minify', 'minifycore', 'dblistconfigfiles', 'dbshowconfigfile', 'dbpushconfigfiles', 'oldencrypt', 'dbpullconfigfiles', 'dbdeleteconfigfiles', 'vaultpushconfigfiles', 'vaultpullconfigfiles', 'vaultdeleteconfigfiles', 'configkey', 'loadconfigfromdb', 'npmpath', 'serverid', 'recordencryptionrecode', 'vault', 'token', 'unsealkey', 'name', 'log', 'dbstats', 'translate', 'createaccount', 'setuptelegram', 'resetaccount', 'pass', 'removesubdomain', 'adminaccount', 'domain', 'email', 'configfile', 'maintenancemode', 'nedbtodb', 'removetestagents', 'agentupdatetest', 'hashpassword', 'hashpass', 'indexmcrec', 'mpsdebug', 'dumpcores', 'dev', 'mysql', 'mariadb', 'trustedproxy'];
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; } }
const ENVVAR_PREFIX = "meshcentral_"
let envArgs = []
for (let [envvar, envval] of Object.entries(process.env)) {
if (envvar.toLocaleLowerCase().startsWith(ENVVAR_PREFIX)) {
let argname = envvar.slice(ENVVAR_PREFIX.length).toLocaleLowerCase()
if (!!argname && !(validArguments.indexOf(argname) == -1)) {
envArgs = envArgs.concat([`--${argname}`, envval])
}
}
}
envArgs = require('minimist')(envArgs)
obj.args = Object.assign(envArgs, obj.args)
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; }
if (obj.args.mysql == true) { console.log('Must specify: --mysql [connectionstring] \r\nExample mysql://user:[email protected]:3306/database'); return; }
if (obj.args.mariadb == true) { console.log('Must specify: --mariadb [connectionstring] \r\nExample mariadb://user:[email protected]:3306/database'); 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' + getCurrentVersion() + ', remote computer management web portal.');
console.log('This software is open source under Apache 2.0 license.');
console.log('Details at: https://www.meshcentral.com\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(' --user [username] Always login as [username] if account exists.');
console.log(' --port [number] Web 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(' --nedbtodb Transfer all NeDB records into current database.');
console.log(' --listuserids Show a list of a user identifiers in the database.');
console.log(' --cert [name], (country), (org) Create a web server certificate with [name] server name.');
console.log(' country and organization can optionally be set.');
console.log('');
console.log('Server recovery commands, use only when MeshCentral is offline.');
console.log(' --createaccount [userid] Create a new user account.');
console.log(' --resetaccount [userid] Unlock an account, disable 2FA and set a new account password.');
console.log(' --adminaccount [userid] Promote account to site administrator.');
return;
}
// Fix a NeDB database
if (obj.args.dbfix) {
var lines = null, badJsonCount = 0, fieldNames = [], fixedDb = [];
try { lines = obj.fs.readFileSync(obj.getConfigFilePath(obj.args.dbfix), { encoding: 'utf8' }).split('\n'); } catch (ex) { console.log('Invalid file: ' + obj.args.dbfix + ': ' + ex); process.exit(); }
for (var i = 0; i < lines.length; i++) {
var x = null;
try { x = JSON.parse(lines[i]); } catch (ex) { badJsonCount++; }
if (x != null) { fixedDb.push(lines[i]); for (var j in x) { if (fieldNames.indexOf(j) == -1) { fieldNames.push(j); } } }
}
console.log('Lines: ' + lines.length + ', badJSON: ' + badJsonCount + ', Feilds: ' + fieldNames);
obj.fs.writeFileSync(obj.getConfigFilePath(obj.args.dbfix) + '-fixed', fixedDb.join('\n'), { encoding: 'utf8' });
return;
}
// Check for invalid cert name
if ((obj.args.cert != null) && ((typeof obj.args.cert != "string") || (obj.args.cert.indexOf('@') >= 0) || (obj.args.cert.indexOf('/') >= 0) || (obj.args.cert.indexOf(':') >= 0))) { console.log("Invalid certificate name"); process.exit(); return; }
// Perform a password hash
if (obj.args.hashpassword) { require('./pass').hash(obj.args.hashpassword, function (err, salt, hash, tag) { console.log(salt + ',' + hash); process.exit(); }); return; }
// Dump to mesh cores
if (obj.args.dumpcores) { obj.updateMeshCore(function () { console.log('Done.'); }, true); return; }
// Setup Telegram
if (obj.args.setuptelegram) { require('./meshmessaging.js').SetupTelegram(obj); 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 meshcentral-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(obj.path.join(__dirname, 'translate'));
const 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;
} else {
// Translate all of the default files
translateEngine.startEx(['', '', 'minifyall']);
translateEngine.startEx(['', '', 'translateall']);
translateEngine.startEx(['', '', 'extractall']);
didSomething = true;
}
// Check if "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(['', '', 'minify', file]);
}
}
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']);
}
}
}
// Check domains and see if "meshcentral-web-DOMAIN" exists, if so, translate all pages in that folder
for (i in obj.config.domains) {
if (i == "") continue;
var path = obj.path.join(obj.datapath, '..', 'meshcentral-web-' + i, 'views');
if (require('fs').existsSync(path)) {
didSomething = true;
var files = obj.fs.readdirSync(path);
for (var a in files) {
var file = obj.path.join(path, files[a]);
if (file.endsWith('.handlebars') && !file.endsWith('-min.handlebars')) {
translateEngine.startEx(['', '', 'minify', file]);
}
}
files = obj.fs.readdirSync(path);
for (var a in files) {
var file = obj.path.join(path, files[a]);
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."); }
console.log('Finished Translating.')
process.exit();
return;
}
// Setup the Node+NPM path if possible, this makes it possible to update the server even if NodeJS and NPM are not in default paths.
if (obj.args.npmpath == null) {
try {
var nodepath = process.argv[0];
var npmpath = obj.path.join(obj.path.dirname(process.argv[0]), 'npm');
if (obj.fs.existsSync(nodepath) && obj.fs.existsSync(npmpath)) {
if (nodepath.indexOf(' ') >= 0) { nodepath = '"' + nodepath + '"'; }
if (npmpath.indexOf(' ') >= 0) { npmpath = '"' + npmpath + '"'; }
if (obj.platform == 'win32') { obj.args.npmpath = npmpath; } else { obj.args.npmpath = (nodepath + ' ' + npmpath); }
}
} catch (ex) { }
}
// 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 systemdConf = null;
const userinfo = require('os').userInfo();
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; }
const nodePath = stdout.substring(0, stdout.indexOf('\n'));
const config = '[Unit]\nDescription=MeshCentral Server\nWants=network-online.target\nAfter=network-online.target\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;
}
}
// Index a recorded file
if (obj.args.indexmcrec != null) {
if (typeof obj.args.indexmcrec != 'string') {
console.log('Usage: --indexmrec [filename.mcrec]');
} else if (obj.fs.existsSync(obj.args.indexmcrec)) {
console.log('Indexing file: ' + obj.args.indexmcrec);
require(require('path').join(__dirname, 'mcrec.js')).indexFile(obj.args.indexmcrec);
} else {
console.log('Unable to find file: ' + obj.args.indexmcrec);
}
return;
}
// Windows background service handling
if ((obj.platform == 'win32') && (obj.service != null)) {
// Build MeshCentral parent path and Windows Service path
var mcpath = __dirname;
if (mcpath.endsWith('\\node_modules\\meshcentral') || mcpath.endsWith('/node_modules/meshcentral')) { mcpath = require('path').join(mcpath, '..', '..'); }
const servicepath = obj.path.join(mcpath, 'WinService');
// 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 environment variables.
var serviceFilePath = null;
if (obj.fs.existsSync(obj.path.join(servicepath, 'winservice.js'))) { serviceFilePath = obj.path.join(servicepath, 'winservice.js'); }
else if (obj.fs.existsSync(obj.path.join(__dirname, '../WinService/winservice.js'))) { serviceFilePath = obj.path.join(__dirname, '../WinService/winservice.js'); }
else if (obj.fs.existsSync(obj.path.join(__dirname, 'winservice.js'))) { serviceFilePath = obj.path.join(__dirname, 'winservice.js'); }
if (serviceFilePath == null) { console.log('Unable to find winservice.js'); return; }
const svc = new obj.service({ name: 'MeshCentral', description: 'MeshCentral Remote Management Server', script: servicepath, 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 (ex) { logException(ex); } }
if (obj.args.stop == true || obj.args.restart == true) { try { svc.stop(); } catch (ex) { logException(ex); } }
if (obj.args.start == true) { try { svc.start(); } catch (ex) { logException(ex); } }
if (obj.args.xuninstall == true) { try { svc.uninstall(); } catch (ex) { logException(ex); } }
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(servicepath) == false) { try { obj.fs.mkdirSync(servicepath); } 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(servicepath, '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: servicepath }, 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(servicepath) == true) {
require('child_process').exec('node winservice.js --uninstall', { maxBuffer: 512000, timeout: 120000, cwd: servicepath }, 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(servicepath, 'winservice.js')); } catch (ex) { }
try { obj.fs.rmdirSync(servicepath); } catch (ex) { }
});
} else 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.
const startArgs = [];
for (i in process.argv) {
if (i > 0) {
const 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) {
const child_process = require('child_process');
try { if (process.traceDeprecation === true) { startArgs.unshift('--trace-deprecation'); } } catch (ex) { }
try { if (process.traceProcessWarnings === true) { startArgs.unshift('--trace-warnings'); } } catch (ex) { }
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; }
else if (typeof obj.args.specificupdate == 'string') { version = '@' + obj.args.specificupdate; delete obj.args.specificupdate; }
const child_process = require('child_process');
const npmpath = ((typeof obj.args.npmpath == 'string') ? obj.args.npmpath : 'npm');
const npmproxy = ((typeof obj.args.npmproxy == 'string') ? (' --proxy ' + obj.args.npmproxy) : '');
const 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; }
// always use --save-exact - https://stackoverflow.com/a/64507176/1210734
const xxprocess = child_process.exec(npmpath + ' install --save-exact --no-audit meshcentral' + version + npmproxy, { maxBuffer: Infinity, cwd: obj.parentpath, env: env }, function (error, stdout, stderr) {
if ((error != null) && (error != '')) { console.log('Update failed: ' + error); }
});
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) {
if (code == 0) { console.log('Update completed...'); }
// Run the server updated script if present
if (typeof obj.config.settings.runonserverupdated == 'string') {
const child_process = require('child_process');
var parentpath = __dirname;
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(obj.config.settings.runonserverupdated + ' ' + getCurrentVersion(), { maxBuffer: 512000, timeout: 120000, cwd: parentpath }, function (error, stdout, stderr) { });
}
if (obj.args.cleannpmcacheonupdate === true) {
// Perform NPM cache clean
console.log('Cleaning NPM cache...');
const xxxprocess = child_process.exec(npmpath + ' cache clean --force', { maxBuffer: Infinity, cwd: obj.parentpath, env: env }, function (error, stdout, stderr) { });
xxxprocess.on('close', function (code) { setTimeout(function () { obj.launchChildServer(startArgs); }, 1000); });
} else {
// Run the updated server
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);
// Run the server error script if present
if (typeof obj.config.settings.runonservererror == 'string') {
const child_process = require('child_process');
var parentpath = __dirname;
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(obj.config.settings.runonservererror + ' ' + getCurrentVersion(), { maxBuffer: 512000, timeout: 120000, cwd: parentpath }, function (error, stdout, stderr) { });
}
}
}
});
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; }
else if (data.indexOf('Starting self upgrade to: ') >= 0) { obj.args.specificupdate = data.substring(26).split('\r')[0].split('\n')[0]; childProcess.xrestart = 3; }
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); }
obj.logError(data);
});
childProcess.on('close', function (code) { if ((code != 0) && (code != 123)) { /* console.log("Exited with code " + code); */ } });
};
obj.logError = function (err) {
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(errlogpath, '-------- ' + new Date().toLocaleString() + ' ---- ' + getCurrentVersion() + ' --------\r\n\r\n' + err + '\r\n\r\n\r\n');
} catch (ex) { console.log('ERROR: Unable to write to mesherrors.txt.'); }
};
// 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(getCurrentVersion(), obj.args.selfupdate); return; } // If we are targetting a specific version, return that one as current.
const child_process = require('child_process');
const npmpath = ((typeof obj.args.npmpath == 'string') ? obj.args.npmpath : 'npm');
const npmproxy = ((typeof obj.args.npmproxy == 'string') ? (' --proxy ' + obj.args.npmproxy) : '');
const 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; }
const 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 (ex) { } }
callback(getCurrentVersion(), latestVer);
});
} catch (ex) { callback(getCurrentVersion(), null, ex); } // If the system is running out of memory, an exception here can easily happen.
};
// Get current version and all MeshCentral server tags using NPM
obj.getServerTags = function (callback) {
if (callback == null) return;
try {
if (typeof obj.args.selfupdate == 'string') { callback({ current: getCurrentVersion(), latest: obj.args.selfupdate }); return; } // If we are targetting a specific version, return that one as current.
const child_process = require('child_process');
const npmpath = ((typeof obj.args.npmpath == 'string') ? obj.args.npmpath : 'npm');
const npmproxy = ((typeof obj.args.npmproxy == 'string') ? (' --proxy ' + obj.args.npmproxy) : '');
const 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; }
const xxprocess = child_process.exec(npmpath + npmproxy + ' dist-tag ls meshcentral', { 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 tags = { current: getCurrentVersion() };
if (code == 0) {
try {
var lines = xxprocess.data.split('\r\n').join('\n').split('\n');
for (var i in lines) { var s = lines[i].split(': '); if ((s.length == 2) && (obj.args.npmtag == null) || (obj.args.npmtag == s[0])) { tags[s[0]] = s[1]; } }
} catch (ex) { }
}
callback(tags);
});
} catch (ex) { callback({ current: getCurrentVersion() }, ex); } // If the system is running out of memory, an exception here can easily happen.
};
// Use NPM to get list of versions
obj.getServerVersions = function (callback) {
try {
const child_process = require('child_process');
const npmpath = ((typeof obj.args.npmpath == 'string') ? obj.args.npmpath : 'npm');
const npmproxy = ((typeof obj.args.npmproxy == 'string') ? (' --proxy ' + obj.args.npmproxy) : '');
const 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; }
const xxprocess = child_process.exec(npmpath + npmproxy + ' view meshcentral versions --json', { 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) {
(code == 0) ? callback(xxprocess.data) : callback('{}');
});
} catch (ex) { callback('{}'); }
};
// Initiate server self-update
obj.performServerUpdate = function (version) {
if (obj.serverSelfWriteAllowed != true) return false;
if ((version == null) || (version == '') || (typeof version != 'string')) { console.log('Starting self upgrade...'); } else { console.log('Starting self upgrade to: ' + version); }
process.exit(200);
return true;
};
// 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
const vault = require("node-vault")({ endpoint: obj.args.vault.endpoint, token: obj.args.vault.token });
vault.unseal({ key: obj.args.vault.unsealkey })
.then(function () {
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
obj.common.objKeysToLower(config2, ['ldapoptions', 'defaultuserwebstate', 'forceduserwebstate', 'httpheaders', 'telegram/proxy']);
// 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);
// Setup syslog support. Not supported on Windows.
if ((require('os').platform() != 'win32') && ((config.settings.syslog != null) || (config.settings.syslogjson != null) || (config.settings.syslogauth != null))) {
if (config.settings.syslog === true) { config.settings.syslog = 'meshcentral'; }
if (config.settings.syslogjson === true) { config.settings.syslogjson = 'meshcentral-json'; }
if (config.settings.syslogauth === true) { config.settings.syslogauth = 'meshcentral-auth'; }
if (typeof config.settings.syslog == 'string') {
obj.syslog = require('modern-syslog');
console.log('Starting ' + config.settings.syslog + ' syslog.');
obj.syslog.init(config.settings.syslog, obj.syslog.LOG_PID | obj.syslog.LOG_ODELAY, obj.syslog.LOG_LOCAL0);
obj.syslog.log(obj.syslog.LOG_INFO, "MeshCentral v" + getCurrentVersion() + " Server Start");
}
if (typeof config.settings.syslogjson == 'string') {
obj.syslogjson = require('modern-syslog');
console.log('Starting ' + config.settings.syslogjson + ' JSON syslog.');
obj.syslogjson.init(config.settings.syslogjson, obj.syslogjson.LOG_PID | obj.syslogjson.LOG_ODELAY, obj.syslogjson.LOG_LOCAL0);
obj.syslogjson.log(obj.syslogjson.LOG_INFO, "MeshCentral v" + getCurrentVersion() + " Server Start");
}
if (typeof config.settings.syslogauth == 'string') {
obj.syslogauth = require('modern-syslog');
console.log('Starting ' + config.settings.syslogauth + ' auth syslog.');
obj.syslogauth.init(config.settings.syslogauth, obj.syslogauth.LOG_PID | obj.syslogauth.LOG_ODELAY, obj.syslogauth.LOG_LOCAL0);
obj.syslogauth.log(obj.syslogauth.LOG_INFO, "MeshCentral v" + getCurrentVersion() + " Server Start");
}
}
// Setup TCP syslog support, this works on all OS's.
if (config.settings.syslogtcp != null) {
const syslog = require('syslog');
if (config.settings.syslogtcp === true) {
obj.syslogtcp = syslog.createClient(514, 'localhost');
} else {
const sp = config.settings.syslogtcp.split(':');
obj.syslogtcp = syslog.createClient(parseInt(sp[1]), sp[0]);
}
obj.syslogtcp.log("MeshCentral v" + getCurrentVersion() + " Server Start", obj.syslogtcp.LOG_INFO);
}
// Check top level configuration for any unrecognized values
if (config) { for (var i in config) { if ((typeof i == 'string') && (i.length > 0) && (i[0] != '_') && (['settings', 'domaindefaults', 'domains', 'configfiles', 'smtp', 'letsencrypt', 'peers', 'sms', 'messaging', 'sendgrid', 'sendmail', 'firebase', 'firebaserelay', '$schema'].indexOf(i) == -1)) { addServerWarning('Unrecognized configuration option \"' + i + '\".', 3, [i]); } } }
// Read IP lists from files if applicable
config.settings.userallowedip = obj.args.userallowedip = readIpListFromFile(obj.args.userallowedip);
config.settings.userblockedip = obj.args.userblockedip = readIpListFromFile(obj.args.userblockedip);
config.settings.agentallowedip = obj.args.agentallowedip = readIpListFromFile(obj.args.agentallowedip);
config.settings.agentblockedip = obj.args.agentblockedip = readIpListFromFile(obj.args.agentblockedip);
config.settings.swarmallowedip = obj.args.swarmallowedip = readIpListFromFile(obj.args.swarmallowedip);
// Check IP lists and ranges
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(' ').join('').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(' ').join('').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(' ').join('').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(' ').join('').split(','); } }
if (typeof obj.args.swarmallowedip == 'string') { if (obj.args.swarmallowedip == '') { obj.args.swarmallowedip = null; } else { obj.args.swarmallowedip = obj.args.swarmallowedip.split(' ').join('').split(','); } }
if ((typeof obj.args.agentupdateblocksize == 'number') && (obj.args.agentupdateblocksize >= 1024) && (obj.args.agentupdateblocksize <= 65531)) { obj.agentUpdateBlockSize = obj.args.agentupdateblocksize; }
if (typeof obj.args.trustedproxy == 'string') { obj.args.trustedproxy = obj.args.trustedproxy.split(' ').join('').split(','); }
if (typeof obj.args.tlsoffload == 'string') { obj.args.tlsoffload = obj.args.tlsoffload.split(' ').join('').split(','); }
// Check the "cookieIpCheck" value
if ((obj.args.cookieipcheck === false) || (obj.args.cookieipcheck == 'none')) { obj.args.cookieipcheck = 'none'; }
else if ((typeof obj.args.cookieipcheck != 'string') || (obj.args.cookieipcheck.toLowerCase() != 'strict')) { obj.args.cookieipcheck = 'lax'; }
else { obj.args.cookieipcheck = 'strict'; }
// Check the "cookieSameSite" value
if (typeof obj.args.cookiesamesite != 'string') { delete obj.args.cookiesamesite; }
else if (['none', 'lax', 'strict'].indexOf(obj.args.cookiesamesite.toLowerCase()) == -1) { delete obj.args.cookiesamesite; } else { obj.args.cookiesamesite = obj.args.cookiesamesite.toLowerCase(); }
// Check if WebSocket compression is supported. It's known to be broken in NodeJS v11.11 to v12.15, and v13.2
const verSplit = process.version.substring(1).split('.');
const ver = parseInt(verSplit[0]) + (parseInt(verSplit[1]) / 100);
if (((ver >= 11.11) && (ver <= 12.15)) || (ver == 13.2)) {
if ((obj.args.wscompression === true) || (obj.args.agentwscompression === true)) { addServerWarning('WebSocket compression is disabled, this feature is broken in NodeJS v11.11 to v12.15 and v13.2', 4); }
obj.args.wscompression = obj.args.agentwscompression = false;
obj.config.settings.wscompression = obj.config.settings.agentwscompression = false;
}
// 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(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.showusers) { obj.db.GetAllType('user', function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.showitem) { obj.db.Get(obj.args.showitem, function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.listuserids) { obj.db.GetAllType('user', function (err, docs) { for (var i in docs) { console.log(docs[i]._id); } process.exit(); }); return; }
if (obj.args.showusergroups) { obj.db.GetAllType('ugrp', function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.shownodes) { obj.db.GetAllType('node', function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.showallmeshes) { obj.db.GetAllType('mesh', function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.showmeshes) { obj.db.GetAllType('mesh', function (err, docs) { var x = []; for (var i in docs) { if (docs[i].deleted == null) { x.push(docs[i]); } } console.log(JSON.stringify(x, null, 2)); process.exit(); }); return; }
if (obj.args.showevents) { obj.db.GetAllEvents(function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.showsmbios) { obj.db.GetAllSMBIOS(function (err, docs) { console.log(JSON.stringify(docs, null, 2)); process.exit(); }); return; }
if (obj.args.showpower) { obj.db.getAllPower(function (err, docs) { console.log(JSON.stringify(docs, null, 2)); 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; }
if (obj.args.createaccount) { // Create a new user account
if ((typeof obj.args.createaccount != 'string') || ((obj.args.pass == null) && (obj.args.hashpass == null)) || (obj.args.pass == '') || (obj.args.hashpass == '') || (obj.args.createaccount.indexOf(' ') >= 0)) { console.log("Usage: --createaccount [userid] --pass [password] --domain (domain) --email (email) --name (name)."); process.exit(); return; }
var userid = 'user/' + (obj.args.domain ? obj.args.domain : '') + '/' + obj.args.createaccount.toLowerCase(), domainid = obj.args.domain ? obj.args.domain : '';
if (obj.args.createaccount.startsWith('user/')) { userid = obj.args.createaccount; domainid = obj.args.createaccount.split('/')[1]; }
if (userid.split('/').length != 3) { console.log("Invalid userid."); process.exit(); return; }
obj.db.Get(userid, function (err, docs) {
if (err != null) { console.log("Database error: " + err); process.exit(); return; }
if ((docs != null) && (docs.length != 0)) { console.log('User already exists.'); process.exit(); return; }
if ((domainid != '') && ((config.domains == null) || (config.domains[domainid] == null))) { console.log("Invalid domain."); process.exit(); return; }
const user = { _id: userid, type: 'user', name: (typeof obj.args.name == 'string') ? obj.args.name : (userid.split('/')[2]), domain: domainid, creation: Math.floor(Date.now() / 1000), links: {} };
if (typeof obj.args.email == 'string') { user.email = obj.args.email; user.emailVerified = true; }
if (obj.args.hashpass) {
// Create an account using a pre-hashed password. Use --hashpassword to pre-hash a password.
var hashpasssplit = obj.args.hashpass.split(',');
if (hashpasssplit.length != 2) { console.log("Invalid hashed password."); process.exit(); return; }
user.salt = hashpasssplit[0];
user.hash = hashpasssplit[1];
obj.db.Set(user, function () { console.log("Done. This command will only work if MeshCentral is stopped."); process.exit(); return; });
} else {
// Hash the password and create the account.
require('./pass').hash(obj.args.pass, function (err, salt, hash, tag) { if (err) { console.log("Unable create account password: " + err); process.exit(); return; } user.salt = salt; user.hash = hash; obj.db.Set(user, function () { console.log("Done."); process.exit(); return; }); }, 0);
}
});
return;
}
if (obj.args.resetaccount) { // Unlock a user account, set a new password and remove 2FA
if ((typeof obj.args.resetaccount != 'string') || (obj.args.resetaccount.indexOf(' ') >= 0)) { console.log("Usage: --resetaccount [userid] --domain (domain) --pass [password]."); process.exit(); return; }
var userid = 'user/' + (obj.args.domain ? obj.args.domain : '') + '/' + obj.args.resetaccount.toLowerCase();
if (obj.args.resetaccount.startsWith('user/')) { userid = obj.args.resetaccount; }
if (userid.split('/').length != 3) { console.log("Invalid userid."); process.exit(); return; }
obj.db.Get(userid, function (err, docs) {
if (err != null) { console.log("Database error: " + err); process.exit(); return; }
if ((docs == null) || (docs.length == 0)) { console.log("Unknown userid, usage: --resetaccount [userid] --domain (domain) --pass [password]."); process.exit(); return; }
const user = docs[0]; if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { user.siteadmin -= 32; } // Unlock the account.
delete user.phone; delete user.otpekey; delete user.otpsecret; delete user.otpkeys; delete user.otphkeys; delete user.otpdev; delete user.otpsms; delete user.otpmsg; // Disable 2FA
delete user.msghandle; // Disable users 2fa messaging too
var config = getConfig(false);
if (config.domains[user.domain].auth || config.domains[user.domain].authstrategies) {
console.log('This users domain has external authentication methods enabled so the password will not be changed if you set one')
obj.db.Set(user, function () { console.log("Done."); process.exit(); return; });
} else {
if (obj.args.hashpass && (typeof obj.args.hashpass == 'string')) {
// Reset an account using a pre-hashed password. Use --hashpassword to pre-hash a password.
var hashpasssplit = obj.args.hashpass.split(',');
if (hashpasssplit.length != 2) { console.log("Invalid hashed password."); process.exit(); return; }
user.salt = hashpasssplit[0];
user.hash = hashpasssplit[1];
obj.db.Set(user, function () { console.log("Done. This command will only work if MeshCentral is stopped."); process.exit(); return; });
} else if (obj.args.pass && (typeof obj.args.pass == 'string')) {
// Hash the password and reset the account.
require('./pass').hash(String(obj.args.pass), user.salt, function (err, hash, tag) {
if (err) { console.log("Unable to reset password: " + err); process.exit(); return; }
user.hash = hash;
obj.db.Set(user, function () { console.log("Done."); process.exit(); return; });
}, 0);
} else {
console.log('Not setting a users password');
obj.db.Set(user, function () { console.log("Done."); process.exit(); return; });
}
}
});
return;
}
if (obj.args.adminaccount) { // Set a user account to server administrator
if ((typeof obj.args.adminaccount != 'string') || (obj.args.adminaccount.indexOf(' ') >= 0)) { console.log("Invalid userid, usage: --adminaccount [username] --domain (domain)"); process.exit(); return; }
var userid = 'user/' + (obj.args.domain ? obj.args.domain : '') + '/' + obj.args.adminaccount.toLowerCase();
if (obj.args.adminaccount.startsWith('user/')) { userid = obj.args.adminaccount; }
if (userid.split('/').length != 3) { console.log("Invalid userid."); process.exit(); return; }
obj.db.Get(userid, function (err, docs) {
if (err != null) { console.log("Database error: " + err); process.exit(); return; }
if ((docs == null) || (docs.length == 0)) { console.log("Unknown userid, usage: --adminaccount [userid] --domain (domain)."); process.exit(); return; }
docs[0].siteadmin = 0xFFFFFFFF; // Set user as site administrator
obj.db.Set(docs[0], function () { console.log("Done. This command will only work if MeshCentral is stopped."); process.exit(); return; });
});
return;
}
if (obj.args.removesubdomain) { // Remove all references to a sub domain from the database
if ((typeof obj.args.removesubdomain != 'string') || (obj.args.removesubdomain.indexOf(' ') >= 0)) { console.log("Invalid sub domain, usage: --removesubdomain [domain]"); process.exit(); return; }
obj.db.removeDomain(obj.args.removesubdomain, function () { console.log("Done."); process.exit(); return; });
return;
}
if (obj.args.removetestagents) { // Remove all test agents from the database
db.GetAllType('node', function (err, docs) {
if ((err != null) || (docs.length == 0)) {
console.log('Unable to get any nodes from the database');
process.exit(0);
} else {
// Load all users
const allusers = {}, removeCount = 0;
obj.db.GetAllType('user', function (err, docs) {
obj.common.unEscapeAllLinksFieldName(docs);
for (i in docs) { allusers[docs[i]._id] = docs[i]; }
});
// Look at all devices
for (var i in docs) {
if ((docs[i] != null) && (docs[i].agent != null) && (docs[i].agent.id == 23)) {
// Remove this test node
const node = docs[i];
// Delete this node including network interface information, events and timeline
removeCount++;
db.Remove(node._id); // Remove node with that id
db.Remove('if' + node._id); // Remove interface information
db.Remove('nt' + node._id); // Remove notes
db.Remove('lc' + node._id); // Remove last connect time
db.Remove('si' + node._id); // Remove system information
if (db.RemoveSMBIOS) { db.RemoveSMBIOS(node._id); } // Remove SMBios data
db.RemoveAllNodeEvents(node._id); // Remove all events for this node
db.removeAllPowerEventsForNode(node._id); // Remove all power events for this node
if (typeof node.pmt == 'string') { db.Remove('pmt_' + node.pmt); } // Remove Push Messaging Token
db.Get('ra' + node._id, function (err, nodes) {
if ((nodes != null) && (nodes.length == 1)) { db.Remove('da' + nodes[0].daid); } // Remove diagnostic agent to real agent link
db.Remove('ra' + node._id); // Remove real agent to diagnostic agent link
});
// Remove any user node links
if (node.links != null) {
for (var i in node.links) {
if (i.startsWith('user/')) {
var cuser = allusers[i];
if ((cuser != null) && (cuser.links != null) && (cuser.links[node._id] != null)) {
// Remove the user link & save the user
delete cuser.links[node._id];