Java example source code file (UnknownCCEntry.java)

This example Java source code file (UnknownCCEntry.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

credentialscache, exception, file, fileoutputstream, tgt, unknownccentry

The UnknownCCEntry.java Java example source code

/*
 * Copyright (c) 2010, 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 6979329
 * @summary CCacheInputStream fails to read ticket cache files from Kerberos 1.8.1
 */

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import sun.security.krb5.internal.ccache.CCacheInputStream;
import sun.security.krb5.internal.ccache.CredentialsCache;

public class UnknownCCEntry {
    public static void main(String[] args) throws Exception {
        // This is a ccache file generated on a test machine:
        // Default principal: dummy@MAX.LOCAL
        // Valid starting     Expires            Service principal
        // 08/24/10 10:37:28  08/25/10 10:37:28  krbtgt/MAX.LOCAL@MAX.LOCAL
        // Flags: FI, Etype (skey, tkt): AES-128 CTS mode with 96-bit SHA-1
        //        HMAC, AES-256 CTS mode with 96-bit SHA-1 HMAC
        byte[] krb5cc = {
            (byte)0x05, (byte)0x04, (byte)0x00, (byte)0x0C,
            (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x08,
            (byte)0xFF, (byte)0xFF, (byte)0xFF, (byte)0xFA,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x09,
            (byte)0x4D, (byte)0x41, (byte)0x58, (byte)0x2E,
            (byte)0x4C, (byte)0x4F, (byte)0x43, (byte)0x41,
            (byte)0x4C, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x05, (byte)0x64, (byte)0x75, (byte)0x6D,
            (byte)0x6D, (byte)0x79, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x09, (byte)0x4D, (byte)0x41,
            (byte)0x58, (byte)0x2E, (byte)0x4C, (byte)0x4F,
            (byte)0x43, (byte)0x41, (byte)0x4C, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x05, (byte)0x64,
            (byte)0x75, (byte)0x6D, (byte)0x6D, (byte)0x79,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x02,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x09,
            (byte)0x4D, (byte)0x41, (byte)0x58, (byte)0x2E,
            (byte)0x4C, (byte)0x4F, (byte)0x43, (byte)0x41,
            (byte)0x4C, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x06, (byte)0x6B, (byte)0x72, (byte)0x62,
            (byte)0x74, (byte)0x67, (byte)0x74, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x09, (byte)0x4D,
            (byte)0x41, (byte)0x58, (byte)0x2E, (byte)0x4C,
            (byte)0x4F, (byte)0x43, (byte)0x41, (byte)0x4C,
            (byte)0x00, (byte)0x11, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x10, (byte)0x92, (byte)0x1D,
            (byte)0x1A, (byte)0x0C, (byte)0x7F, (byte)0xB8,
            (byte)0x01, (byte)0x2E, (byte)0xC9, (byte)0xF5,
            (byte)0x7B, (byte)0x92, (byte)0x81, (byte)0xCA,
            (byte)0x49, (byte)0xC5, (byte)0x4C, (byte)0x73,
            (byte)0x30, (byte)0x68, (byte)0x4C, (byte)0x73,
            (byte)0x30, (byte)0x68, (byte)0x4C, (byte)0x74,
            (byte)0x81, (byte)0xE8, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x40,
            (byte)0x41, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x01, (byte)0x29, (byte)0x61,
            (byte)0x82, (byte)0x01, (byte)0x25, (byte)0x30,
            (byte)0x82, (byte)0x01, (byte)0x21, (byte)0xA0,
            (byte)0x03, (byte)0x02, (byte)0x01, (byte)0x05,
            (byte)0xA1, (byte)0x0B, (byte)0x1B, (byte)0x09,
            (byte)0x4D, (byte)0x41, (byte)0x58, (byte)0x2E,
            (byte)0x4C, (byte)0x4F, (byte)0x43, (byte)0x41,
            (byte)0x4C, (byte)0xA2, (byte)0x1E, (byte)0x30,
            (byte)0x1C, (byte)0xA0, (byte)0x03, (byte)0x02,
            (byte)0x01, (byte)0x00, (byte)0xA1, (byte)0x15,
            (byte)0x30, (byte)0x13, (byte)0x1B, (byte)0x06,
            (byte)0x6B, (byte)0x72, (byte)0x62, (byte)0x74,
            (byte)0x67, (byte)0x74, (byte)0x1B, (byte)0x09,
            (byte)0x4D, (byte)0x41, (byte)0x58, (byte)0x2E,
            (byte)0x4C, (byte)0x4F, (byte)0x43, (byte)0x41,
            (byte)0x4C, (byte)0xA3, (byte)0x81, (byte)0xEC,
            (byte)0x30, (byte)0x81, (byte)0xE9, (byte)0xA0,
            (byte)0x03, (byte)0x02, (byte)0x01, (byte)0x12,
            (byte)0xA1, (byte)0x03, (byte)0x02, (byte)0x01,
            (byte)0x01, (byte)0xA2, (byte)0x81, (byte)0xDC,
            (byte)0x04, (byte)0x81, (byte)0xD9, (byte)0xFB,
            (byte)0x4B, (byte)0xD2, (byte)0x55, (byte)0x33,
            (byte)0xA8, (byte)0x1A, (byte)0xE6, (byte)0xB5,
            (byte)0x3D, (byte)0x67, (byte)0x46, (byte)0x69,
            (byte)0x6F, (byte)0x0A, (byte)0x64, (byte)0xE7,
            (byte)0x3D, (byte)0xEF, (byte)0x22, (byte)0xBE,
            (byte)0x81, (byte)0x32, (byte)0xF3, (byte)0x72,
            (byte)0xB4, (byte)0x50, (byte)0xE3, (byte)0xC3,
            (byte)0xDB, (byte)0xE5, (byte)0x38, (byte)0x3C,
            (byte)0x60, (byte)0xC8, (byte)0x08, (byte)0x53,
            (byte)0x44, (byte)0x6F, (byte)0xDF, (byte)0x55,
            (byte)0x67, (byte)0x32, (byte)0x02, (byte)0xDD,
            (byte)0x6B, (byte)0xFB, (byte)0x23, (byte)0x1A,
            (byte)0x88, (byte)0x71, (byte)0xE0, (byte)0xF8,
            (byte)0xBB, (byte)0x51, (byte)0x1E, (byte)0x76,
            (byte)0xC9, (byte)0x1F, (byte)0x45, (byte)0x9B,
            (byte)0xA0, (byte)0xA5, (byte)0x61, (byte)0x45,
            (byte)0x9E, (byte)0x65, (byte)0xB8, (byte)0xD6,
            (byte)0x0E, (byte)0x3C, (byte)0xD9, (byte)0x56,
            (byte)0xD6, (byte)0xA6, (byte)0xDD, (byte)0x36,
            (byte)0x21, (byte)0x25, (byte)0x0E, (byte)0xE6,
            (byte)0xAD, (byte)0xA0, (byte)0x3A, (byte)0x9B,
            (byte)0x21, (byte)0x87, (byte)0xE2, (byte)0xAF,
            (byte)0x3A, (byte)0xEF, (byte)0x75, (byte)0x85,
            (byte)0xA8, (byte)0xD7, (byte)0xE5, (byte)0x46,
            (byte)0xD8, (byte)0x5C, (byte)0x17, (byte)0x4E,
            (byte)0x64, (byte)0x51, (byte)0xDB, (byte)0x38,
            (byte)0x8E, (byte)0x6B, (byte)0x02, (byte)0x05,
            (byte)0x46, (byte)0x77, (byte)0xD0, (byte)0x75,
            (byte)0x8A, (byte)0xE0, (byte)0x42, (byte)0x5E,
            (byte)0x8D, (byte)0x49, (byte)0x86, (byte)0xDE,
            (byte)0x6C, (byte)0xBC, (byte)0xAF, (byte)0x10,
            (byte)0x9A, (byte)0x97, (byte)0x64, (byte)0xA6,
            (byte)0xBD, (byte)0xDB, (byte)0x01, (byte)0x40,
            (byte)0xA9, (byte)0x3D, (byte)0x74, (byte)0x99,
            (byte)0xDC, (byte)0x63, (byte)0x34, (byte)0x40,
            (byte)0x31, (byte)0x57, (byte)0xC7, (byte)0x70,
            (byte)0x9F, (byte)0xCE, (byte)0xC6, (byte)0x7B,
            (byte)0x00, (byte)0x5B, (byte)0x02, (byte)0x5C,
            (byte)0xC7, (byte)0x81, (byte)0x40, (byte)0x4D,
            (byte)0xA7, (byte)0xB1, (byte)0xD2, (byte)0xEA,
            (byte)0x8E, (byte)0xEC, (byte)0xA0, (byte)0xB3,
            (byte)0x03, (byte)0x29, (byte)0xB8, (byte)0x44,
            (byte)0xD7, (byte)0xA1, (byte)0x2B, (byte)0x37,
            (byte)0x9D, (byte)0x19, (byte)0x11, (byte)0x1D,
            (byte)0x58, (byte)0xE8, (byte)0x06, (byte)0xE7,
            (byte)0x06, (byte)0xE3, (byte)0xF7, (byte)0xEF,
            (byte)0x05, (byte)0xA9, (byte)0x05, (byte)0x93,
            (byte)0x42, (byte)0x94, (byte)0x5A, (byte)0xD6,
            (byte)0xA0, (byte)0x24, (byte)0x3A, (byte)0x52,
            (byte)0x92, (byte)0xA3, (byte)0x79, (byte)0x98,
            (byte)0x3C, (byte)0x68, (byte)0x55, (byte)0x1B,
            (byte)0x6A, (byte)0xC5, (byte)0x83, (byte)0x89,
            (byte)0x5A, (byte)0x79, (byte)0x5C, (byte)0x52,
            (byte)0xBA, (byte)0xB8, (byte)0xF7, (byte)0x72,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x09,
            (byte)0x4D, (byte)0x41, (byte)0x58, (byte)0x2E,
            (byte)0x4C, (byte)0x4F, (byte)0x43, (byte)0x41,
            (byte)0x4C, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x05, (byte)0x64, (byte)0x75, (byte)0x6D,
            (byte)0x6D, (byte)0x79, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x03, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x0C, (byte)0x58, (byte)0x2D,
            (byte)0x43, (byte)0x41, (byte)0x43, (byte)0x48,
            (byte)0x45, (byte)0x43, (byte)0x4F, (byte)0x4E,
            (byte)0x46, (byte)0x3A, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x15, (byte)0x6B, (byte)0x72,
            (byte)0x62, (byte)0x35, (byte)0x5F, (byte)0x63,
            (byte)0x63, (byte)0x61, (byte)0x63, (byte)0x68,
            (byte)0x65, (byte)0x5F, (byte)0x63, (byte)0x6F,
            (byte)0x6E, (byte)0x66, (byte)0x5F, (byte)0x64,
            (byte)0x61, (byte)0x74, (byte)0x61, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x0A, (byte)0x66,
            (byte)0x61, (byte)0x73, (byte)0x74, (byte)0x5F,
            (byte)0x61, (byte)0x76, (byte)0x61, (byte)0x69,
            (byte)0x6C, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x1A, (byte)0x6B, (byte)0x72, (byte)0x62,
            (byte)0x74, (byte)0x67, (byte)0x74, (byte)0x2F,
            (byte)0x4D, (byte)0x41, (byte)0x58, (byte)0x2E,
            (byte)0x4C, (byte)0x4F, (byte)0x43, (byte)0x41,
            (byte)0x4C, (byte)0x40, (byte)0x4D, (byte)0x41,
            (byte)0x58, (byte)0x2E, (byte)0x4C, (byte)0x4F,
            (byte)0x43, (byte)0x41, (byte)0x4C, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00, (byte)0x03, (byte)0x79, (byte)0x65,
            (byte)0x73, (byte)0x00, (byte)0x00, (byte)0x00,
            (byte)0x00,
        };

        File f = File.createTempFile("ccache", "cc", new File("."));
        FileOutputStream fout = new FileOutputStream(f);
        fout.write(krb5cc);
        fout.close();

        CredentialsCache cc = CredentialsCache.getInstance(f.getPath());
        if (!cc.getDefaultCreds().getServicePrincipal().getNameStrings()[0]
                .equals("krbtgt")) {
            throw new Exception("No TGT found");
        }
    }
}