| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package build.tools.generatecacerts; |
| |
| import java.io.DataOutputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.UnsupportedEncodingException; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| import java.security.DigestOutputStream; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.cert.CertificateException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.X509Certificate; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Generate cacerts |
| * args[0]: Full path string to the directory that contains CA certs |
| * args[1]: Full path string to the generated cacerts |
| */ |
| public class GenerateCacerts { |
| public static void main(String[] args) throws Exception { |
| try (FileOutputStream fos = new FileOutputStream(args[1])) { |
| store(args[0], fos, "changeit".toCharArray()); |
| } |
| } |
| |
| // The following code are copied from JavaKeyStore.java. |
| |
| private static final int MAGIC = 0xfeedfeed; |
| private static final int VERSION_2 = 0x02; |
| |
| // This method is a simplified version of JavaKeyStore::engineStore. |
| // A new "dir" argument is added. All cert names in "dir" is collected into |
| // a sorted array. Each cert is stored with a creation date set to its |
| // notBefore value. Thus the output is determined as long as the certs |
| // are the same. |
| public static void store(String dir, OutputStream stream, char[] password) |
| throws IOException, NoSuchAlgorithmException, CertificateException |
| { |
| byte[] encoded; // the certificate encoding |
| CertificateFactory cf = CertificateFactory.getInstance("X509"); |
| |
| MessageDigest md = getPreKeyedHash(password); |
| DataOutputStream dos |
| = new DataOutputStream(new DigestOutputStream(stream, md)); |
| |
| dos.writeInt(MAGIC); |
| // always write the latest version |
| dos.writeInt(VERSION_2); |
| |
| // All file names in dir sorted. |
| // README is excluded. Name starting with "." excluded. |
| List<String> entries = Files.list(Paths.get(dir)) |
| .map(p -> p.getFileName().toString()) |
| .filter(s -> !s.equals("README") && !s.startsWith(".")) |
| .collect(Collectors.toList()); |
| |
| entries.sort(String::compareTo); |
| |
| dos.writeInt(entries.size()); |
| |
| for (String entry : entries) { |
| |
| String alias = entry + " [jdk]"; |
| X509Certificate cert; |
| try (InputStream fis = Files.newInputStream(Paths.get(dir, entry))) { |
| cert = (X509Certificate) cf.generateCertificate(fis); |
| } |
| |
| dos.writeInt(2); |
| |
| // Write the alias |
| dos.writeUTF(alias); |
| |
| // Write the (entry creation) date, which is notBefore of the cert |
| dos.writeLong(cert.getNotBefore().getTime()); |
| |
| // Write the trusted certificate |
| encoded = cert.getEncoded(); |
| dos.writeUTF(cert.getType()); |
| dos.writeInt(encoded.length); |
| dos.write(encoded); |
| } |
| |
| /* |
| * Write the keyed hash which is used to detect tampering with |
| * the keystore (such as deleting or modifying key or |
| * certificate entries). |
| */ |
| byte[] digest = md.digest(); |
| |
| dos.write(digest); |
| dos.flush(); |
| } |
| |
| private static MessageDigest getPreKeyedHash(char[] password) |
| throws NoSuchAlgorithmException, UnsupportedEncodingException |
| { |
| |
| MessageDigest md = MessageDigest.getInstance("SHA"); |
| byte[] passwdBytes = convertToBytes(password); |
| md.update(passwdBytes); |
| Arrays.fill(passwdBytes, (byte) 0x00); |
| md.update("Mighty Aphrodite".getBytes("UTF8")); |
| return md; |
| } |
| |
| private static byte[] convertToBytes(char[] password) { |
| int i, j; |
| byte[] passwdBytes = new byte[password.length * 2]; |
| for (i=0, j=0; i<password.length; i++) { |
| passwdBytes[j++] = (byte)(password[i] >> 8); |
| passwdBytes[j++] = (byte)password[i]; |
| } |
| return passwdBytes; |
| } |
| } |