107 lines
4.4 KiB
Java
107 lines
4.4 KiB
Java
/*
|
|
* Copyright (c) 2013, 2023, 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 8022718
|
|
* @summary Runtime accessibility checking: protected class, if extended, should be accessible from another package
|
|
* @enablePreview
|
|
* @compile -XDignore.symbol.file BogoLoader.java MethodInvoker.java Test.java anotherpkg/MethodSupplierOuter.java
|
|
* @run main/othervm Test
|
|
*/
|
|
|
|
import java.lang.classfile.ClassTransform;
|
|
import java.lang.classfile.attribute.InnerClassInfo;
|
|
import java.lang.classfile.attribute.InnerClassesAttribute;
|
|
import java.lang.classfile.constantpool.ClassEntry;
|
|
import java.lang.classfile.constantpool.Utf8Entry;
|
|
import java.lang.reflect.Method;
|
|
import java.util.HashMap;
|
|
import java.util.HashSet;
|
|
|
|
import static java.lang.classfile.ClassFile.ACC_PRIVATE;
|
|
import static java.lang.classfile.ClassFile.ACC_PROTECTED;
|
|
import static java.lang.classfile.ClassFile.ACC_PUBLIC;
|
|
|
|
interface MyFunctionalInterface {
|
|
|
|
void invokeMethodReference();
|
|
}
|
|
|
|
public class Test {
|
|
|
|
public static void main(String[] argv) throws Throwable {
|
|
ClassTransform makeProtectedNop = ClassTransform.ACCEPT_ALL;
|
|
ClassTransform makeProtectedMod = (cb, ce) -> {
|
|
if (ce instanceof InnerClassesAttribute ica) {
|
|
cb.accept(InnerClassesAttribute.of(ica.classes().stream().map(ici -> {
|
|
// AccessFlags doesn't support inner class flags yet
|
|
var flags = (ACC_PROTECTED | ici.flagsMask()) & ~(ACC_PRIVATE | ACC_PUBLIC);
|
|
System.out.println("visitInnerClass: name = " + ici.innerClass().asInternalName()
|
|
+ ", outerName = " + ici.outerClass().map(ClassEntry::asInternalName).orElse("null")
|
|
+ ", innerName = " + ici.innerName().map(Utf8Entry::stringValue).orElse("null")
|
|
+ ", access original = 0x" + Integer.toHexString(ici.flagsMask())
|
|
+ ", access modified to 0x" + Integer.toHexString(flags));
|
|
return InnerClassInfo.of(ici.innerClass(), ici.outerClass(), ici.innerName(), flags);
|
|
}).toList()));
|
|
} else {
|
|
cb.accept(ce);
|
|
}
|
|
};
|
|
|
|
int errors = 0;
|
|
errors += tryModifiedInvocation(makeProtectedNop);
|
|
errors += tryModifiedInvocation(makeProtectedMod);
|
|
|
|
if (errors > 0) {
|
|
throw new Error("FAIL; there were errors");
|
|
}
|
|
}
|
|
|
|
private static int tryModifiedInvocation(ClassTransform makeProtected)
|
|
throws Throwable {
|
|
var replace = new HashMap<String, ClassTransform>();
|
|
replace.put("anotherpkg.MethodSupplierOuter$MethodSupplier", makeProtected);
|
|
var in_bogus = new HashSet<String>();
|
|
in_bogus.add("MethodInvoker");
|
|
in_bogus.add("MyFunctionalInterface");
|
|
in_bogus.add("anotherpkg.MethodSupplierOuter"); // seems to be never loaded
|
|
in_bogus.add("anotherpkg.MethodSupplierOuter$MethodSupplier");
|
|
|
|
BogoLoader bl = new BogoLoader(in_bogus, replace);
|
|
try {
|
|
Class<?> isw = bl.loadClass("MethodInvoker");
|
|
Method meth = isw.getMethod("invoke");
|
|
Object result = meth.invoke(null);
|
|
} catch (Throwable th) {
|
|
System.out.flush();
|
|
Thread.sleep(250); // Let Netbeans get its I/O sorted out.
|
|
th.printStackTrace();
|
|
System.err.flush();
|
|
Thread.sleep(250); // Let Netbeans get its I/O sorted out.
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
}
|