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 33 import java.lang.reflect.InvocationTargetException; 34 import java.lang.reflect.Method; 35 import java.util.HashMap; 36 import java.util.HashSet; 37 import jdk.internal.org.objectweb.asm.ClassWriter; 38 import jdk.internal.org.objectweb.asm.MethodVisitor; 39 import jdk.internal.org.objectweb.asm.ClassVisitor; 40 import jdk.internal.org.objectweb.asm.Opcodes; 41 42 interface MyFunctionalInterface { 43 44 void invokeMethodReference(); 45 } 46 47 class 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 77 public 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 }