1 /* 2 * Copyright (c) 2016, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * @test 28 * @summary Test that if class c5 in an unnamed module can read package p6 in module m2, but package p6 in module m2 is 29 * exported qualifiedly to module m3, then class c5 in an unnamed module can not read p6.c6 in module m2. 30 * @modules java.base/jdk.internal.misc 31 * @library /testlibrary /test/lib 32 * @compile myloaders/MySameClassLoader.java 33 * @compile p6/c6.java 34 * @compile c5.java 35 * @build UmodUpkg_ExpQualOther 36 * @run main/othervm -Xbootclasspath/a:. UmodUpkg_ExpQualOther 37 */ 38 39 import static jdk.test.lib.Asserts.*; 40 41 import java.lang.reflect.Layer; 42 import java.lang.module.Configuration; 43 import java.lang.module.ModuleDescriptor; 44 import java.lang.module.ModuleFinder; 45 import java.util.HashMap; 46 import java.util.Map; 47 import java.util.Set; 48 import myloaders.MySameClassLoader; 49 50 // 51 // ClassLoader1 --> defines m1 --> no packages 52 // defines m2 --> packages p6 53 // defines m3 --> packages p3 54 // 55 // m1 can read m2 56 // package p6 in m2 is exported to m3 57 // 58 // class c5 defined in m1 tries to access p6.c6 defined in m2 59 // Access denied since although m1 can read m2, p6 is exported only to m3. 60 // 61 public class UmodUpkg_ExpQualOther { 62 63 // Create a Layer over the boot layer. 64 // Define modules within this layer to test access between 65 // publically defined classes within packages of those modules. 66 public void createLayerOnBoot() throws Throwable { 67 68 // Define module: m1 (need to define m1 to establish the Layer successfully) 69 // Can read: java.base, m2, m3 70 // Packages: none 71 // Packages exported: none 72 ModuleDescriptor descriptor_m1 = 73 new ModuleDescriptor.Builder("m1") 74 .requires("java.base") 75 .requires("m2") 76 .requires("m3") 77 .build(); 78 79 // Define module: m2 80 // Can read: java.base 81 // Packages: p6 82 // Packages exported: p6 is exported to m3 83 ModuleDescriptor descriptor_m2 = 84 new ModuleDescriptor.Builder("m2") 85 .requires("java.base") 86 .exports("p6", "m3") 87 .build(); 88 89 // Define module: m3 90 // Can read: java.base 91 // Packages: p3 92 // Packages exported: none 93 ModuleDescriptor descriptor_m3 = 94 new ModuleDescriptor.Builder("m3") 95 .requires("java.base") 96 .build(); 97 98 // Set up a ModuleFinder containing all modules for this layer. 99 ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2, descriptor_m3); 100 101 // Resolves "m1" 102 Configuration cf = Layer.boot() 103 .configuration() 104 .resolveRequires(finder, ModuleFinder.of(), Set.of("m1")); 105 106 // map each module to differing class loaders for this test 107 Map<String, ClassLoader> map = new HashMap<>(); 108 map.put("m1", MySameClassLoader.loader1); 109 map.put("m2", MySameClassLoader.loader1); 110 map.put("m3", MySameClassLoader.loader1); 111 112 // Create Layer that contains m1, m2 and m3 113 Layer layer = Layer.boot().defineModules(cf, map::get); 114 115 assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1); 116 assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1); 117 assertTrue(layer.findLoader("m3") == MySameClassLoader.loader1); 118 assertTrue(layer.findLoader("java.base") == null); 119 120 // now use the same loader to load class c5 121 Class c5_class = MySameClassLoader.loader1.loadClass("c5"); 122 try { 123 c5_class.newInstance(); 124 throw new RuntimeException("Failed to get IAE (p6 in m2 is exported to m3, not unqualifiedly to everyone)"); 125 } catch (IllegalAccessError e) { 126 System.out.println(e.getMessage()); 127 if (!e.getMessage().contains("does not export")) { 128 throw new RuntimeException("Wrong message: " + e.getMessage()); 129 } 130 } 131 } 132 133 public static void main(String args[]) throws Throwable { 134 UmodUpkg_ExpQualOther test = new UmodUpkg_ExpQualOther(); 135 test.createLayerOnBoot(); 136 } 137 }