1/*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * @test
26 * @bug 8022718
27 * @summary Runtime accessibility checking: protected class, if extended, should be accessible from another package
28 * @modules java.base/jdk.internal.org.objectweb.asm
29 * @compile -XDignore.symbol.file BogoLoader.java MethodInvoker.java Test.java anotherpkg/MethodSupplierOuter.java
30 * @run main/othervm Test
31 */
32
33import java.lang.reflect.InvocationTargetException;
34import java.lang.reflect.Method;
35import java.util.HashMap;
36import java.util.HashSet;
37import jdk.internal.org.objectweb.asm.ClassWriter;
38import jdk.internal.org.objectweb.asm.MethodVisitor;
39import jdk.internal.org.objectweb.asm.ClassVisitor;
40import jdk.internal.org.objectweb.asm.Opcodes;
41
42interface MyFunctionalInterface {
43
44    void invokeMethodReference();
45}
46
47class MakeProtected implements BogoLoader.VisitorMaker, Opcodes {
48
49    final boolean whenVisitInner;
50
51    MakeProtected(boolean when_visit_inner) {
52        super();
53        whenVisitInner = when_visit_inner;
54    }
55
56    public ClassVisitor make(ClassVisitor cv) {
57        return new ClassVisitor(Opcodes.ASM5, cv) {
58
59            @Override
60            public void visitInnerClass(String name, String outerName,
61                    String innerName, int access) {
62                if (whenVisitInner) {
63                    int access_ = (ACC_PROTECTED | access) & ~(ACC_PRIVATE | ACC_PUBLIC);
64                    System.out.println("visitInnerClass: name = " + name
65                            + ", outerName = " + outerName
66                            + ", innerName = " + innerName
67                            + ", access original = 0x" + Integer.toHexString(access)
68                            + ", access modified to 0x" + Integer.toHexString(access_));
69                    access = access_;
70                }
71                super.visitInnerClass(name, outerName, innerName, access);
72            }
73        };
74    }
75};
76
77public class Test {
78
79    public static void main(String argv[]) throws Exception, Throwable {
80        BogoLoader.VisitorMaker makeProtectedNop = new MakeProtected(false);
81        BogoLoader.VisitorMaker makeProtectedMod = new MakeProtected(true);
82
83        int errors = 0;
84        errors += tryModifiedInvocation(makeProtectedNop);
85        errors += tryModifiedInvocation(makeProtectedMod);
86
87        if (errors > 0) {
88            throw new Error("FAIL; there were errors");
89        }
90    }
91
92    private static int tryModifiedInvocation(BogoLoader.VisitorMaker makeProtected)
93            throws Throwable, ClassNotFoundException {
94        HashMap<String, BogoLoader.VisitorMaker> replace
95                = new HashMap<String, BogoLoader.VisitorMaker>();
96        replace.put("anotherpkg.MethodSupplierOuter$MethodSupplier", makeProtected);
97        HashSet<String> in_bogus = new HashSet<String>();
98        in_bogus.add("MethodInvoker");
99        in_bogus.add("MyFunctionalInterface");
100        in_bogus.add("anotherpkg.MethodSupplierOuter"); // seems to be never loaded
101        in_bogus.add("anotherpkg.MethodSupplierOuter$MethodSupplier");
102
103        BogoLoader bl = new BogoLoader(in_bogus, replace);
104        try {
105            Class<?> isw = bl.loadClass("MethodInvoker");
106            Method meth = isw.getMethod("invoke");
107            Object result = meth.invoke(null);
108        } catch (Throwable th) {
109            System.out.flush();
110            Thread.sleep(250); // Let Netbeans get its I/O sorted out.
111            th.printStackTrace();
112            System.err.flush();
113            Thread.sleep(250); // Let Netbeans get its I/O sorted out.
114            return 1;
115        }
116        return 0;
117    }
118}
119