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 /test/lib
32 * @compile myloaders/MySameClassLoader.java
33 * @compile p6/c6.java
34 * @compile c5.java
35 * @run main/othervm -Xbootclasspath/a:. UmodUpkg_ExpQualOther
36 */
37
38 import static jdk.test.lib.Asserts.*;
39
40 import java.lang.reflect.Layer;
41 import java.lang.module.Configuration;
42 import java.lang.module.ModuleDescriptor;
43 import java.lang.module.ModuleFinder;
44 import java.util.HashMap;
45 import java.util.Map;
46 import java.util.Set;
47 import myloaders.MySameClassLoader;
48
49 //
50 // ClassLoader1 --> defines m1 --> no packages
51 // defines m2 --> packages p6
52 // defines m3 --> packages p3
53 //
54 // m1 can read m2
55 // package p6 in m2 is exported to m3
56 //
57 // class c5 defined in m1 tries to access p6.c6 defined in m2
58 // Access denied since although m1 can read m2, p6 is exported only to m3.
59 //
60 public class UmodUpkg_ExpQualOther {
61
62 // Create a Layer over the boot layer.
63 // Define modules within this layer to test access between
64 // publically defined classes within packages of those modules.
65 public void createLayerOnBoot() throws Throwable {
66
67 // Define module: m1 (need to define m1 to establish the Layer successfully)
68 // Can read: java.base, m2, m3
69 // Packages: none
70 // Packages exported: none
71 ModuleDescriptor descriptor_m1 =
72 new ModuleDescriptor.Builder("m1")
73 .requires("java.base")
74 .requires("m2")
75 .requires("m3")
76 .build();
77
78 // Define module: m2
79 // Can read: java.base
80 // Packages: p6
81 // Packages exported: p6 is exported to m3
82 ModuleDescriptor descriptor_m2 =
83 new ModuleDescriptor.Builder("m2")
84 .requires("java.base")
85 .exports("p6", "m3")
86 .build();
87
88 // Define module: m3
89 // Can read: java.base
90 // Packages: p3
91 // Packages exported: none
92 ModuleDescriptor descriptor_m3 =
93 new ModuleDescriptor.Builder("m3")
94 .requires("java.base")
95 .build();
96
97 // Set up a ModuleFinder containing all modules for this layer.
98 ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2, descriptor_m3);
99
100 // Resolves "m1"
101 Configuration cf = Layer.boot()
102 .configuration()
103 .resolveRequires(finder, ModuleFinder.of(), Set.of("m1"));
104
105 // map each module to differing class loaders for this test
106 Map<String, ClassLoader> map = new HashMap<>();
107 map.put("m1", MySameClassLoader.loader1);
108 map.put("m2", MySameClassLoader.loader1);
109 map.put("m3", MySameClassLoader.loader1);
110
111 // Create Layer that contains m1, m2 and m3
112 Layer layer = Layer.boot().defineModules(cf, map::get);
113
114 assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1);
115 assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1);
116 assertTrue(layer.findLoader("m3") == MySameClassLoader.loader1);
117 assertTrue(layer.findLoader("java.base") == null);
118
119 // now use the same loader to load class c5
120 Class c5_class = MySameClassLoader.loader1.loadClass("c5");
121 try {
122 c5_class.newInstance();
123 throw new RuntimeException("Failed to get IAE (p6 in m2 is exported to m3, not unqualifiedly to everyone)");
124 } catch (IllegalAccessError e) {
125 System.out.println(e.getMessage());
126 if (!e.getMessage().contains("does not export")) {
127 throw new RuntimeException("Wrong message: " + e.getMessage());
128 }
129 }
130 }
131
132 public static void main(String args[]) throws Throwable {
133 UmodUpkg_ExpQualOther test = new UmodUpkg_ExpQualOther();
134 test.createLayerOnBoot();
135 }
136 }