130 lines
4.3 KiB
Java
130 lines
4.3 KiB
Java
/*
|
|
* Copyright (c) 2007, 2015, 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 6490436
|
|
* @summary Verify that protected constructor calls are not allowed for any classfile versions in either verifier.
|
|
* @author Keith McGuigan
|
|
*/
|
|
|
|
public class VerifyProtectedConstructor extends ClassLoader {
|
|
public static void main(String argv[]) throws Exception {
|
|
VerifyProtectedConstructor t = new VerifyProtectedConstructor();
|
|
|
|
t.loadSuperClass();
|
|
|
|
try {
|
|
t.checkClassVersion(49); // should not throw VerifyError
|
|
throw new Exception("FAIL: should be a VerifyError for CF version 49");
|
|
}
|
|
catch(VerifyError e) {
|
|
System.out.println("PASS for CF version 49");
|
|
}
|
|
|
|
try {
|
|
t.checkClassVersion(50); // should throw VerifyError
|
|
throw new Exception("FAIL: should be a VerifyError for CF version 50");
|
|
}
|
|
catch(VerifyError e) {
|
|
System.out.println("PASS");
|
|
}
|
|
}
|
|
|
|
private void loadSuperClass() {
|
|
/* -- code for super class A.A --
|
|
package A;
|
|
public class A {
|
|
protected A() {}
|
|
}
|
|
*/
|
|
long[] cls_data = {
|
|
0xcafebabe00000032L, 0x000a0a0003000707L,
|
|
0x0008070009010006L, 0x3c696e69743e0100L,
|
|
0x0328295601000443L, 0x6f64650c00040005L,
|
|
0x010003412f410100L, 0x106a6176612f6c61L,
|
|
0x6e672f4f626a6563L, 0x7400210002000300L,
|
|
0x0000000001000400L, 0x0400050001000600L,
|
|
0x0000110001000100L, 0x0000052ab70001b1L,
|
|
0x0000000000000000L // 2 bytes extra
|
|
};
|
|
final int EXTRA = 2;
|
|
byte cf_bytes[] = toByteArray(cls_data);
|
|
defineClass("A.A", cf_bytes, 0, cf_bytes.length - EXTRA);
|
|
}
|
|
|
|
private int num_calls;
|
|
private static String classNames[] = { "B.B", "C.C" };
|
|
|
|
private void checkClassVersion(int version) throws VerifyError {
|
|
// This class is in violation of the spec since it accesses
|
|
// a protected constructor of a superclass while not being in the
|
|
// same package.
|
|
/* -- code for test class --
|
|
package B;
|
|
public class B extends A.A {
|
|
public static void f() { new A.A(); }
|
|
}
|
|
*/
|
|
long[] cls_data = {
|
|
0xcafebabe00000032L, 0x000b0a0002000807L,
|
|
0x000907000a010006L, 0x3c696e69743e0100L,
|
|
0x0328295601000443L, 0x6f6465010001660cL,
|
|
0x0004000501000341L, 0x2f41010003422f42L,
|
|
0x0021000300020000L, 0x0000000200010004L,
|
|
0x0005000100060000L, 0x0011000100010000L,
|
|
0x00052ab70001b100L, 0x0000000009000700L,
|
|
0x0500010006000000L, 0x1500020000000000L,
|
|
0x09bb000259b70001L, 0x57b1000000000000L // no extra bytes
|
|
};
|
|
final int EXTRA = 0;
|
|
|
|
byte cf_bytes[] = toByteArray(cls_data);
|
|
|
|
// set version
|
|
cf_bytes[7] = (byte)version;
|
|
|
|
// Change B.B to C.C, D.D, ... for subsequent calls so we can call this
|
|
// multiple times and define different classes.
|
|
cf_bytes[61] += num_calls;
|
|
cf_bytes[63] += num_calls;
|
|
String name = classNames[num_calls];
|
|
num_calls++;
|
|
|
|
Class c = defineClass(name, cf_bytes, 0, cf_bytes.length - EXTRA);
|
|
|
|
try { c.newInstance(); } // to force linking, thus verification
|
|
catch(InstantiationException e) {}
|
|
catch(IllegalAccessException e) {}
|
|
}
|
|
|
|
static private byte[] toByteArray(long arr[]) {
|
|
// convert long array to byte array
|
|
java.nio.ByteBuffer bbuf = java.nio.ByteBuffer.allocate(arr.length * 8);
|
|
bbuf.asLongBuffer().put(java.nio.LongBuffer.wrap(arr));
|
|
return bbuf.array();
|
|
}
|
|
}
|