471 lines
26 KiB
JavaScript
471 lines
26 KiB
JavaScript
/**
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* @description Certificate generator
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* @author Joko Sastriawan / Ylian Saint-Hilaire
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* @copyright Intel Corporation 2018
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* @license Apache-2.0
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* @version v0.0.1
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*/
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module.exports.CertificateOperations = function () {
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var obj = {};
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obj.fs = require('fs');
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obj.forge = require('node-forge');
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obj.crypto = require('crypto');
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obj.pki = obj.forge.pki;
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obj.dirExists = function (filePath) { try { return obj.fs.statSync(filePath).isDirectory(); } catch (err) { return false; } }
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obj.getFilesizeInBytes = function(filename) { try { return obj.fs.statSync(filename)["size"]; } catch (err) { return -1; } }
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obj.fileExists = function(filePath) { try { return obj.fs.statSync(filePath).isFile(); } catch (err) { return false; } }
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// Return the SHA386 hash of the certificate public key
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obj.getPublicKeyHash = function (cert) {
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var publickey = obj.pki.certificateFromPem(cert).publicKey;
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return obj.pki.getPublicKeyFingerprint(publickey, { encoding: 'hex', md: obj.forge.md.sha384.create() });
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}
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// Create a self-signed certificate
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obj.GenerateRootCertificate = function (addThumbPrintToName, commonName, country, organization, strong) {
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var keys = obj.pki.rsa.generateKeyPair((strong == true) ? 3072 : 2048);
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var cert = obj.pki.createCertificate();
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cert.publicKey = keys.publicKey;
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cert.serialNumber = '' + Math.floor((Math.random() * 100000) + 1); ;
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cert.validity.notBefore = new Date();
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cert.validity.notBefore.setFullYear(cert.validity.notBefore.getFullYear() - 1); // Create a certificate that is valid one year before, to make sure out-of-sync clocks don't reject this cert.
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cert.validity.notAfter = new Date();
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cert.validity.notAfter.setFullYear(cert.validity.notAfter.getFullYear() + 30);
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if (addThumbPrintToName == true) { commonName += '-' + obj.pki.getPublicKeyFingerprint(cert.publicKey, { encoding: 'hex' }).substring(0, 6); }
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if (country == undefined) { country = 'unknown'; }
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if (organization == undefined) { organization = 'unknown'; }
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var attrs = [{ name: 'commonName', value: commonName }, { name: 'organizationName', value: organization }, { name: 'countryName', value: country }];
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cert.setSubject(attrs);
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cert.setIssuer(attrs);
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// Create a root certificate
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cert.setExtensions([{
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name: 'basicConstraints',
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cA: true
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}, {
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name: 'nsCertType',
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sslCA: true,
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emailCA: true,
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objCA: true
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}, {
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name: 'subjectKeyIdentifier'
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}]);
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cert.sign(keys.privateKey, obj.forge.md.sha384.create());
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return { cert: cert, key: keys.privateKey };
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}
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// Issue a certificate from a root
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obj.IssueWebServerCertificate = function (rootcert, addThumbPrintToName, commonName, country, organization, extKeyUsage, strong) {
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var keys = obj.pki.rsa.generateKeyPair((strong == true) ? 3072 : 2048);
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var cert = obj.pki.createCertificate();
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cert.publicKey = keys.publicKey;
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cert.serialNumber = '' + Math.floor((Math.random() * 100000) + 1); ;
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cert.validity.notBefore = new Date();
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cert.validity.notBefore.setFullYear(cert.validity.notAfter.getFullYear() - 1); // Create a certificate that is valid one year before, to make sure out-of-sync clocks don't reject this cert.
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cert.validity.notAfter = new Date();
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cert.validity.notAfter.setFullYear(cert.validity.notAfter.getFullYear() + 30);
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if (addThumbPrintToName == true) { commonName += '-' + obj.pki.getPublicKeyFingerprint(cert.publicKey, { encoding: 'hex' }).substring(0, 6); }
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var attrs = [ { name: 'commonName', value: commonName }];
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if (country != undefined) attrs.push({ name: 'countryName', value: country });
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if (organization != undefined) attrs.push({ name: 'organizationName', value: organization });
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cert.setSubject(attrs);
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cert.setIssuer(rootcert.cert.subject.attributes);
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if (extKeyUsage == null) { extKeyUsage = { name: 'extKeyUsage', serverAuth: true, } } else { extKeyUsage.name = 'extKeyUsage'; }
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var subjectAltName = null;
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if (extKeyUsage.serverAuth == true) {
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subjectAltName = {
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name: 'subjectAltName',
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altNames: [{
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type: 6, // URI
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value: 'http://' + commonName + '/'
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}, {
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type: 6, // URL
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value: 'http://localhost/'
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}]
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}
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}
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/*
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{
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name: 'extKeyUsage',
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serverAuth: true,
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clientAuth: true,
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codeSigning: true,
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emailProtection: true,
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timeStamping: true,
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'2.16.840.1.113741.1.2.1': true
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}
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*/
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var extensions = [{
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name: 'basicConstraints',
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cA: false
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}, {
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name: 'keyUsage',
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keyCertSign: true,
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digitalSignature: true,
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nonRepudiation: true,
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keyEncipherment: true,
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dataEncipherment: true
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}, extKeyUsage, {
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name: 'nsCertType',
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client: false,
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server: true,
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email: false,
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objsign: false,
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sslCA: false,
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emailCA: false,
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objCA: false
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}, {
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name: 'subjectKeyIdentifier'
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}]
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if (subjectAltName != null) extensions.push(subjectAltName);
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cert.setExtensions(extensions);
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cert.sign(rootcert.key, obj.forge.md.sha384.create());
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return { cert: cert, key: keys.privateKey };
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}
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// Returns the web server TLS certificate and private key, if not present, create demonstration ones.
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obj.GetMeshServerCertificate = function (directory, args, config, func) {
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var certargs = args.cert;
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var strongCertificate = (args.fastcert ? false : true);
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var rcountmax = 5;
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// commonName, country, organization
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// If the certificates directory does not exist, create it.
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if (!obj.dirExists(directory)) { obj.fs.mkdirSync(directory); }
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var r = {}, rcount = 0;
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// If the root certificate already exist, load it
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if (obj.fileExists(directory + '/root-cert-public.crt') && obj.fileExists(directory + '/root-cert-private.key')) {
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var rootCertificate = obj.fs.readFileSync(directory + '/root-cert-public.crt', 'utf8');
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var rootPrivateKey = obj.fs.readFileSync(directory + '/root-cert-private.key', 'utf8');
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r.root = { cert: rootCertificate, key: rootPrivateKey };
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rcount++;
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}
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if (args.tlsoffload == true) {
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// If the web certificate already exist, load it. Load just the certificate since we are in TLS offload situation
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if (obj.fileExists(directory + '/webserver-cert-public.crt')) {
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var webCertificate = obj.fs.readFileSync(directory + '/webserver-cert-public.crt', 'utf8');
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r.web = { cert: webCertificate };
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rcount++;
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}
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} else {
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// If the web certificate already exist, load it. Load both certificate and private key
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if (obj.fileExists(directory + '/webserver-cert-public.crt') && obj.fileExists(directory + '/webserver-cert-private.key')) {
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var webCertificate = obj.fs.readFileSync(directory + '/webserver-cert-public.crt', 'utf8');
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var webPrivateKey = obj.fs.readFileSync(directory + '/webserver-cert-private.key', 'utf8');
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r.web = { cert: webCertificate, key: webPrivateKey };
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rcount++;
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}
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}
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// If the mps certificate already exist, load it
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if (obj.fileExists(directory + '/mpsserver-cert-public.crt') && obj.fileExists(directory + '/mpsserver-cert-private.key')) {
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var mpsCertificate = obj.fs.readFileSync(directory + '/mpsserver-cert-public.crt', 'utf8');
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var mpsPrivateKey = obj.fs.readFileSync(directory + '/mpsserver-cert-private.key', 'utf8');
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r.mps = { cert: mpsCertificate, key: mpsPrivateKey };
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rcount++;
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}
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// If the agent certificate already exist, load it
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if (obj.fileExists(directory + '/agentserver-cert-public.crt') && obj.fileExists(directory + '/agentserver-cert-private.key')) {
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var agentCertificate = obj.fs.readFileSync(directory + '/agentserver-cert-public.crt', 'utf8');
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var agentPrivateKey = obj.fs.readFileSync(directory + '/agentserver-cert-private.key', 'utf8');
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r.agent = { cert: agentCertificate, key: agentPrivateKey };
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rcount++;
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}
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// If the console certificate already exist, load it
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if (obj.fileExists(directory + '/amtconsole-cert-public.crt') && obj.fileExists(directory + '/agentserver-cert-private.key')) {
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var amtConsoleCertificate = obj.fs.readFileSync(directory + '/amtconsole-cert-public.crt', 'utf8');
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var amtConsolePrivateKey = obj.fs.readFileSync(directory + '/amtconsole-cert-private.key', 'utf8');
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r.console = { cert: amtConsoleCertificate, key: amtConsolePrivateKey };
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rcount++;
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}
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// If the swarm server certificate exist, load it (This is an optional certificate)
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if (obj.fileExists(directory + '/swarmserver-cert-public.crt') && obj.fileExists(directory + '/swarmserver-cert-private.key')) {
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var swarmServerCertificate = obj.fs.readFileSync(directory + '/swarmserver-cert-public.crt', 'utf8');
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var swarmServerPrivateKey = obj.fs.readFileSync(directory + '/swarmserver-cert-private.key', 'utf8');
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r.swarmserver = { cert: swarmServerCertificate, key: swarmServerPrivateKey };
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}
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// If the swarm server root certificate exist, load it (This is an optional certificate)
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if (obj.fileExists(directory + '/swarmserverroot-cert-public.crt')) {
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var swarmServerRootCertificate = obj.fs.readFileSync(directory + '/swarmserverroot-cert-public.crt', 'utf8');
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r.swarmserverroot = { cert: swarmServerRootCertificate };
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}
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// If CA certificates are present, load them
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if (r.web != null) {
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var caok, caindex = 1, calist = [];
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do {
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caok = false;
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if (obj.fileExists(directory + '/webserver-cert-chain' + caindex + '.crt')) {
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var caCertificate = obj.fs.readFileSync(directory + '/webserver-cert-chain' + caindex + '.crt', 'utf8');
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calist.push(caCertificate);
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caok = true;
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}
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caindex++;
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} while (caok == true);
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r.web.ca = calist;
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}
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// Decode certificate arguments
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var commonName = 'un-configured', country, organization, forceWebCertGen = 0;
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if (certargs != undefined) {
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var args = certargs.split(',');
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if (args.length > 0) commonName = args[0];
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if (args.length > 1) country = args[1];
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if (args.length > 2) organization = args[2];
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}
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// Look for domains that have DNS names and load their certificates
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r.dns = {};
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for (var i in config.domains) {
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if ((i != '') && (config.domains[i] != null) && (config.domains[i].dns != null)) {
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var dnsname = config.domains[i].dns;
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if (args.tlsoffload == true) {
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// If the web certificate already exist, load it. Load just the certificate since we are in TLS offload situation
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if (obj.fileExists(directory + '/webserver-' + i + '-cert-public.crt')) {
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r.dns[i] = { cert: obj.fs.readFileSync(directory + '/webserver-' + i + '-cert-public.crt', 'utf8') };
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config.domains[i].certs = r.dns[i];
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} else {
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console.log('WARNING: File "webserver-' + i + '-cert-public.crt" missing, domain "' + i + '" will not work correctly.');
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}
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} else {
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// If the web certificate already exist, load it. Load both certificate and private key
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if (obj.fileExists(directory + '/webserver-' + i + '-cert-public.crt') && obj.fileExists(directory + '/webserver-' + i + '-cert-private.key')) {
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r.dns[i] = { cert: obj.fs.readFileSync(directory + '/webserver-' + i + '-cert-public.crt', 'utf8'), key: obj.fs.readFileSync(directory + '/webserver-' + i + '-cert-private.key', 'utf8') };
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config.domains[i].certs = r.dns[i];
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// If CA certificates are present, load them
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var caok, caindex = 1, calist = [];
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do {
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caok = false;
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if (obj.fileExists(directory + '/webserver-' + i + '-cert-chain' + caindex + '.crt')) {
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var caCertificate = obj.fs.readFileSync(directory + '/webserver-' + i + '-cert-chain' + caindex + '.crt', 'utf8');
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calist.push(caCertificate);
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caok = true;
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}
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caindex++;
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} while (caok == true);
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r.dns[i].ca = calist;
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} else {
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rcountmax++; // This certificate must be generated
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}
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}
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}
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}
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if (rcount == rcountmax) {
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// Fetch the Intel AMT console name
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var consoleCertificate = obj.pki.certificateFromPem(r.console.cert);
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r.AmtConsoleName = consoleCertificate.subject.getField('CN').value;
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// Fetch the Intel AMT MPS common name
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var mpsCertificate = obj.pki.certificateFromPem(r.mps.cert);
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r.AmtMpsName = mpsCertificate.subject.getField('CN').value;
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// Fetch the name of the server
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var webCertificate = obj.pki.certificateFromPem(r.web.cert);
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r.CommonName = webCertificate.subject.getField('CN').value;
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var rootCertificate = obj.pki.certificateFromPem(r.root.cert);
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r.RootName = rootCertificate.subject.getField('CN').value;
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if (certargs == undefined) { if (func != undefined) { func(r); } return r }; // If no certificate arguments are given, keep the certificate
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var xcountry, xcountryField = webCertificate.subject.getField('C');
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if (xcountryField != null) { xcountry = xcountryField.value; }
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var xorganization, xorganizationField = webCertificate.subject.getField('O');
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if (xorganizationField != null) { xorganization = xorganizationField.value; }
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if ((r.CommonName == commonName) && (xcountry == country) && (xorganization == organization) && (r.AmtMpsName == commonName)) { if (func != undefined) { func(r); } return r; } else { forceWebCertGen = 1; } // If the certificate matches what we want, keep it.
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}
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console.log('Generating certificates, may take a few minutes...');
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// If a certificate is missing, but web certificate is present and --cert is not used, set the names to be the same as the web certificate
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if ((certargs == null) && (r.web != null)) {
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var webCertificate = obj.pki.certificateFromPem(r.web.cert);
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commonName = webCertificate.subject.getField('CN').value;
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var xcountryField = webCertificate.subject.getField('C');
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if (xcountryField != null) { country = xcountryField.value; }
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var xorganizationField = webCertificate.subject.getField('O');
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if (xorganizationField != null) { organization = xorganizationField.value; }
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}
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var rootCertAndKey, rootCertificate, rootPrivateKey, rootName;
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if (r.root == undefined) {
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// If the root certificate does not exist, create one
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console.log('Generating root certificate...');
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rootCertAndKey = obj.GenerateRootCertificate(true, 'MeshCentralRoot', null, null, strongCertificate);
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rootCertificate = obj.pki.certificateToPem(rootCertAndKey.cert);
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rootPrivateKey = obj.pki.privateKeyToPem(rootCertAndKey.key);
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obj.fs.writeFileSync(directory + '/root-cert-public.crt', rootCertificate);
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obj.fs.writeFileSync(directory + '/root-cert-private.key', rootPrivateKey);
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} else {
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// Keep the root certificate we have
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rootCertAndKey = { cert: obj.pki.certificateFromPem(r.root.cert), key: obj.pki.privateKeyFromPem(r.root.key) };
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rootCertificate = r.root.cert
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rootPrivateKey = r.root.key
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}
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var rootName = rootCertAndKey.cert.subject.getField('CN').value;
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// If the web certificate does not exist, create one
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var webCertAndKey, webCertificate, webPrivateKey;
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if ((r.web == null) || (forceWebCertGen == 1)) {
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console.log('Generating HTTPS certificate...');
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webCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, commonName, country, organization, null, strongCertificate);
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webCertificate = obj.pki.certificateToPem(webCertAndKey.cert);
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webPrivateKey = obj.pki.privateKeyToPem(webCertAndKey.key);
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obj.fs.writeFileSync(directory + '/webserver-cert-public.crt', webCertificate);
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obj.fs.writeFileSync(directory + '/webserver-cert-private.key', webPrivateKey);
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} else {
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// Keep the console certificate we have
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webCertAndKey = { cert: obj.pki.certificateFromPem(r.web.cert), key: obj.pki.privateKeyFromPem(r.web.key) };
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webCertificate = r.web.cert
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webPrivateKey = r.web.key
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}
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// If the mesh agent server certificate does not exist, create one
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var agentCertAndKey, agentCertificate, agentPrivateKey;
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if (r.agent == null) {
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console.log('Generating MeshAgent certificate...');
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agentCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, true, 'MeshCentralAgentServer', null, strongCertificate);
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agentCertificate = obj.pki.certificateToPem(agentCertAndKey.cert);
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agentPrivateKey = obj.pki.privateKeyToPem(agentCertAndKey.key);
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obj.fs.writeFileSync(directory + '/agentserver-cert-public.crt', agentCertificate);
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obj.fs.writeFileSync(directory + '/agentserver-cert-private.key', agentPrivateKey);
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} else {
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// Keep the mesh agent server certificate we have
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agentCertAndKey = { cert: obj.pki.certificateFromPem(r.agent.cert), key: obj.pki.privateKeyFromPem(r.agent.key) };
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agentCertificate = r.agent.cert
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agentPrivateKey = r.agent.key
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}
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// If the Intel AMT MPS certificate does not exist, create one
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var mpsCertAndKey, mpsCertificate, mpsPrivateKey;
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if ((r.mps == null) || (forceWebCertGen == 1)) {
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console.log('Generating Intel AMT MPS certificate...');
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mpsCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, commonName, country, organization, null, false);
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mpsCertificate = obj.pki.certificateToPem(mpsCertAndKey.cert);
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mpsPrivateKey = obj.pki.privateKeyToPem(mpsCertAndKey.key);
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obj.fs.writeFileSync(directory + '/mpsserver-cert-public.crt', mpsCertificate);
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obj.fs.writeFileSync(directory + '/mpsserver-cert-private.key', mpsPrivateKey);
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} else {
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// Keep the console certificate we have
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mpsCertAndKey = { cert: obj.pki.certificateFromPem(r.mps.cert), key: obj.pki.privateKeyFromPem(r.mps.key) };
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mpsCertificate = r.mps.cert
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mpsPrivateKey = r.mps.key
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}
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// If the Intel AMT console certificate does not exist, create one
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var consoleCertAndKey, consoleCertificate, consolePrivateKey, amtConsoleName = 'MeshCentral';
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if (r.console == null) {
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console.log('Generating Intel AMT console certificate...');
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consoleCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, amtConsoleName, country, organization, { name: 'extKeyUsage', clientAuth: true, '2.16.840.1.113741.1.2.1': true, '2.16.840.1.113741.1.2.2': true, '2.16.840.1.113741.1.2.3': true }, false); // Intel AMT Remote, Agent and Activation usages
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consoleCertificate = obj.pki.certificateToPem(consoleCertAndKey.cert);
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consolePrivateKey = obj.pki.privateKeyToPem(consoleCertAndKey.key);
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obj.fs.writeFileSync(directory + '/amtconsole-cert-public.crt', consoleCertificate);
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obj.fs.writeFileSync(directory + '/amtconsole-cert-private.key', consolePrivateKey);
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} else {
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// Keep the console certificate we have
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consoleCertAndKey = { cert: obj.pki.certificateFromPem(r.console.cert), key: obj.pki.privateKeyFromPem(r.console.key) };
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consoleCertificate = r.console.cert
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consolePrivateKey = r.console.key
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amtConsoleName = consoleCertAndKey.cert.subject.getField('CN').value;
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}
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var r = { root: { cert: rootCertificate, key: rootPrivateKey }, web: { cert: webCertificate, key: webPrivateKey, ca: [] }, mps: { cert: mpsCertificate, key: mpsPrivateKey }, agent: { cert: agentCertificate, key: agentPrivateKey }, console: { cert: consoleCertificate, key: consolePrivateKey }, ca: calist, CommonName: commonName, RootName: rootName, AmtConsoleName: amtConsoleName, dns: {} };
|
|
|
|
// Look for domains with DNS names that have no certificates and generated them.
|
|
for (var i in config.domains) {
|
|
if ((i != '') && (config.domains[i] != null) && (config.domains[i].dns != null)) {
|
|
var dnsname = config.domains[i].dns;
|
|
if (args.tlsoffload != true) {
|
|
// If the web certificate does not exist, create it
|
|
if ((obj.fileExists(directory + '/webserver-' + i + '-cert-public.crt') == false) || (obj.fileExists(directory + '/webserver-' + i + '-cert-private.key') == false)) {
|
|
console.log('Generating HTTPS certificate for ' + i + '...');
|
|
var xwebCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, dnsname, country, organization, null, strongCertificate);
|
|
var xwebCertificate = obj.pki.certificateToPem(xwebCertAndKey.cert);
|
|
var xwebPrivateKey = obj.pki.privateKeyToPem(xwebCertAndKey.key);
|
|
obj.fs.writeFileSync(directory + '/webserver-' + i + '-cert-public.crt', xwebCertificate);
|
|
obj.fs.writeFileSync(directory + '/webserver-' + i + '-cert-private.key', xwebPrivateKey);
|
|
r.dns[i] = { cert: xwebCertificate, key: xwebPrivateKey };
|
|
config.domains[i].certs = r.dns[i];
|
|
|
|
// If CA certificates are present, load them
|
|
var caok, caindex = 1, calist = [];
|
|
do {
|
|
caok = false;
|
|
if (obj.fileExists(directory + '/webserver-' + i + '-cert-chain' + caindex + '.crt')) {
|
|
var caCertificate = obj.fs.readFileSync(directory + '/webserver-' + i + '-cert-chain' + caindex + '.crt', 'utf8');
|
|
calist.push(caCertificate);
|
|
caok = true;
|
|
}
|
|
caindex++;
|
|
} while (caok == true);
|
|
r.dns[i].ca = calist;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (func != undefined) { func(r); }
|
|
return r;
|
|
}
|
|
|
|
// Accelerators, used to dispatch work to other processes
|
|
const fork = require('child_process').fork;
|
|
const program = require('path').join(__dirname, 'meshaccelerator.js');
|
|
const acceleratorTotalCount = require('os').cpus().length;
|
|
var acceleratorCreateCount = acceleratorTotalCount;
|
|
var freeAccelerators = [];
|
|
var pendingAccelerator = [];
|
|
obj.acceleratorCertStore = null;
|
|
|
|
// Create a new accelerator module
|
|
obj.getAccelerator = function () {
|
|
if (obj.acceleratorCertStore == null) { return null; }
|
|
if (freeAccelerators.length > 0) { return freeAccelerators.pop(); }
|
|
if (acceleratorCreateCount > 0) {
|
|
acceleratorCreateCount--;
|
|
var accelerator = fork(program, [], { stdio: ['pipe', 'pipe', 'pipe', 'ipc'] });
|
|
accelerator.on('message', function (message) { this.func(message); if (pendingAccelerator.length > 0) { accelerator.send(pendingAccelerator.shift()); } else { freeAccelerators.push(this); } });
|
|
accelerator.send({ action: 'setState', certs: obj.acceleratorCertStore });
|
|
return accelerator;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
// Set the state of the accelerators. This way, we don't have to send certificate & keys to them each time.
|
|
obj.acceleratorStart = function (certificates) {
|
|
if (obj.acceleratorCertStore != null) { console.error('ERROR: Accelerators can only be started once.'); return; }
|
|
obj.acceleratorCertStore = [{ cert: certificates.agent.cert, key: certificates.agent.key }];
|
|
if (certificates.swarmserver != null) { obj.acceleratorCertStore.push({ cert: certificates.swarmserver.cert, key: certificates.swarmserver.key }); }
|
|
}
|
|
|
|
// Perform any RSA signature, just pass in the private key and data.
|
|
obj.acceleratorPerformSignature = function (privatekey, data, func) {
|
|
if (acceleratorTotalCount <= 1) {
|
|
// No accelerators available
|
|
if (typeof privatekey == 'number') { privatekey = obj.acceleratorCertStore[privatekey].key; }
|
|
const sign = obj.crypto.createSign('SHA384');
|
|
sign.end(new Buffer(data, 'binary'));
|
|
func(sign.sign(privatekey).toString('binary'));
|
|
} else {
|
|
var acc = obj.getAccelerator();
|
|
if (acc == null) {
|
|
// Add to pending accelerator workload
|
|
pendingAccelerator.push({ action: 'sign', key: privatekey, data: data });
|
|
} else {
|
|
// Send to accelerator now
|
|
acc.func = func;
|
|
acc.send({ action: 'sign', key: privatekey, data: data });
|
|
}
|
|
}
|
|
}
|
|
|
|
return obj;
|
|
};
|