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 /**
  26  * @test
  27  * @bug 8022718
  28  * @summary Runtime accessibility checking: protected class, if extended, should be accessible from another package
  29  * @modules java.base/jdk.internal.org.objectweb.asm
  30  * @compile -XDignore.symbol.file BogoLoader.java MethodInvoker.java Test.java anotherpkg/MethodSupplierOuter.java
  31  * @run main/othervm Test
  32  */
  33 
  34 import java.lang.reflect.InvocationTargetException;
  35 import java.lang.reflect.Method;
  36 import java.util.HashMap;
  37 import java.util.HashSet;
  38 import jdk.internal.org.objectweb.asm.ClassWriter;
  39 import jdk.internal.org.objectweb.asm.MethodVisitor;
  40 import jdk.internal.org.objectweb.asm.ClassVisitor;
  41 import jdk.internal.org.objectweb.asm.Opcodes;
  42 
  43 interface MyFunctionalInterface {
  44 
  45     void invokeMethodReference();
  46 }
  47 
  48 class MakeProtected implements BogoLoader.VisitorMaker, Opcodes {
  49 
  50     final boolean whenVisitInner;
  51 
  52     MakeProtected(boolean when_visit_inner) {
  53         super();
  54         whenVisitInner = when_visit_inner;
  55     }
  56 
  57     public ClassVisitor make(ClassVisitor cv) {
  58         return new ClassVisitor(Opcodes.ASM5, cv) {
  59 
  60             @Override
  61             public void visitInnerClass(String name, String outerName,
  62                     String innerName, int access) {
  63                 if (whenVisitInner) {
  64                     int access_ = (ACC_PROTECTED | access) & ~(ACC_PRIVATE | ACC_PUBLIC);
  65                     System.out.println("visitInnerClass: name = " + name
  66                             + ", outerName = " + outerName
  67                             + ", innerName = " + innerName
  68                             + ", access original = 0x" + Integer.toHexString(access)
  69                             + ", access modified to 0x" + Integer.toHexString(access_));
  70                     access = access_;
  71                 }
  72                 super.visitInnerClass(name, outerName, innerName, access);
  73             }
  74         };
  75     }
  76 };
  77 
  78 public class Test {
  79 
  80     public static void main(String argv[]) throws Exception, Throwable {
  81         BogoLoader.VisitorMaker makeProtectedNop = new MakeProtected(false);
  82         BogoLoader.VisitorMaker makeProtectedMod = new MakeProtected(true);
  83 
  84         int errors = 0;
  85         errors += tryModifiedInvocation(makeProtectedNop);
  86         errors += tryModifiedInvocation(makeProtectedMod);
  87 
  88         if (errors > 0) {
  89             throw new Error("FAIL; there were errors");
  90         }
  91     }
  92 
  93     private static int tryModifiedInvocation(BogoLoader.VisitorMaker makeProtected)
  94             throws Throwable, ClassNotFoundException {
  95         HashMap<String, BogoLoader.VisitorMaker> replace
  96                 = new HashMap<String, BogoLoader.VisitorMaker>();
  97         replace.put("anotherpkg.MethodSupplierOuter$MethodSupplier", makeProtected);
  98         HashSet<String> in_bogus = new HashSet<String>();
  99         in_bogus.add("MethodInvoker");
 100         in_bogus.add("MyFunctionalInterface");
 101         in_bogus.add("anotherpkg.MethodSupplierOuter"); // seems to be never loaded
 102         in_bogus.add("anotherpkg.MethodSupplierOuter$MethodSupplier");
 103 
 104         BogoLoader bl = new BogoLoader(in_bogus, replace);
 105         try {
 106             Class<?> isw = bl.loadClass("MethodInvoker");
 107             Method meth = isw.getMethod("invoke");
 108             Object result = meth.invoke(null);
 109         } catch (Throwable th) {
 110             System.out.flush();
 111             Thread.sleep(250); // Let Netbeans get its I/O sorted out.
 112             th.printStackTrace();
 113             System.err.flush();
 114             Thread.sleep(250); // Let Netbeans get its I/O sorted out.
 115             return 1;
 116         }
 117         return 0;
 118     }
 119 }