100 lines
3.8 KiB
Java
100 lines
3.8 KiB
Java
/*
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* Copyright (c) 2008, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6731685 8249783
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* @summary CertificateFactory.generateCertificates throws IOException on PKCS7 cert chain
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* @modules java.base/sun.security.util:+open
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* @library /test/lib
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*/
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import java.io.*;
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import java.lang.reflect.Field;
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import java.util.Arrays;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Utils;
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import sun.security.util.*;
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public class Indefinite {
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public static void main(String[] args) throws Exception {
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// Indefinite length with trailing bytes
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test(true, new byte[] {
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// An OCTET-STRING in 2 parts
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0x24, (byte) 0x80, 4, 2, 'a', 'b', 4, 2, 'c', 'd', 0, 0,
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// Garbage follows, may be falsely recognized as EOC
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0, 0, 0, 0,
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// and more
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7, 8, 9, 10});
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// Definite length with trailing bytes
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test(false, new byte[] {
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4, 4, 'a', 'b', 'c', 'd',
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0, 0, 0, 0, 7, 8, 9, 10 });
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}
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static void test(boolean indefinite, byte[] input) throws Exception {
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// 1. parse stream
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InputStream ins = new ByteArrayInputStream(input);
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DerValue v = new DerValue(ins);
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Asserts.assertEQ(new String(v.getOctetString()), "abcd");
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if (indefinite) {
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// Trailing bytes might be consumed by the conversion but can
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// be found in DerValue "after end".
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Field buffer = DerValue.class.getDeclaredField("buffer");
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Field end = DerValue.class.getDeclaredField("end");
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buffer.setAccessible(true);
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end.setAccessible(true);
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int bufferLen = ((byte[])buffer.get(v)).length;
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int endPos = end.getInt(v);
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// Data "after end": bufferLen - endPos
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// Data remained in stream: ins.available()x`
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Asserts.assertEQ(bufferLen - endPos + ins.available(), 8);
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} else {
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// Trailing bytes remain in the stream for definite length
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Asserts.assertEQ(ins.available(), 8);
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}
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// 2. parse DerInputStream
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DerInputStream ds = new DerInputStream(input);
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Asserts.assertEQ(new String(ds.getDerValue().getOctetString()), "abcd");
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Asserts.assertEQ(ds.available(), 8);
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Asserts.assertTrue(Arrays.equals(ds.toByteArray(),
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new byte[]{0,0,0,0,7,8,9,10}));
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// 3. Parse full byte array
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Utils.runAndCheckException(() -> new DerValue(input),
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e -> Asserts.assertTrue(e instanceof IOException
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&& e.getMessage().equals("extra data at the end")));
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// 4. Parse exact byte array
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Asserts.assertEQ(new String(new DerValue(Arrays.copyOf(input, input.length - 8))
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.getOctetString()), "abcd");
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}
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}
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