| /* |
| * Copyright (c) 2010, 2013, 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. |
| * |
| * 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. |
| */ |
| /* |
| * @test |
| * @bug 6844909 8012679 |
| * @modules java.security.jgss/sun.security.krb5 |
| * java.security.jgss/sun.security.krb5.internal.crypto |
| * @run main/othervm WeakCrypto |
| * @run main/othervm WeakCrypto true |
| * @run main/othervm WeakCrypto false |
| * @summary support allow_weak_crypto in krb5.conf |
| */ |
| |
| import java.io.File; |
| import java.lang.Exception; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| |
| import sun.security.krb5.internal.crypto.EType; |
| import sun.security.krb5.EncryptedData; |
| |
| public class WeakCrypto { |
| public static void main(String[] args) throws Exception { |
| String conf = "[libdefaults]\n" + |
| (args.length > 0 ? ("allow_weak_crypto = " + args[0]) : ""); |
| Files.write(Paths.get("krb5.conf"), conf.getBytes()); |
| System.setProperty("java.security.krb5.conf", "krb5.conf"); |
| |
| boolean expected = args.length != 0 && args[0].equals("true"); |
| int[] etypes = EType.getBuiltInDefaults(); |
| |
| boolean found = false; |
| for (int i=0, length = etypes.length; i<length; i++) { |
| if (etypes[i] == EncryptedData.ETYPE_DES_CBC_CRC || |
| etypes[i] == EncryptedData.ETYPE_DES_CBC_MD4 || |
| etypes[i] == EncryptedData.ETYPE_DES_CBC_MD5) { |
| found = true; |
| } |
| } |
| if (expected != found) { |
| throw new Exception(); |
| } |
| } |
| } |