| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8055206 |
| * @summary Check that each module loaded by the platform loader has the |
| * proper "accessClassInPackage" RuntimePermissions to access its |
| * qualified exports. |
| * @run main CheckAccessClassInPackagePermissions |
| */ |
| |
| import java.lang.module.ModuleDescriptor; |
| import java.lang.module.ModuleDescriptor.Exports; |
| import java.net.URL; |
| import java.security.CodeSigner; |
| import java.security.CodeSource; |
| import java.security.Policy; |
| import java.security.ProtectionDomain; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| public class CheckAccessClassInPackagePermissions { |
| |
| private static final String[] deployModules = { |
| "jdk.javaws", "jdk.plugin", "jdk.plugin.server", "jdk.deploy" }; |
| |
| public static void main(String[] args) throws Exception { |
| |
| // Get the modules in the boot layer loaded by the boot or platform |
| // loader |
| ModuleLayer bootLayer = ModuleLayer.boot(); |
| Set<Module> modules = bootLayer.modules() |
| .stream() |
| .filter(CheckAccessClassInPackagePermissions::isBootOrPlatformMod) |
| .collect(Collectors.toSet()); |
| |
| // Create map of target module's qualified export packages |
| Map<String, List<String>> map = new HashMap<>(); |
| Set<Exports> qualExports = |
| modules.stream() |
| .map(Module::getDescriptor) |
| .map(ModuleDescriptor::exports) |
| .flatMap(Set::stream) |
| .filter(Exports::isQualified) |
| .collect(Collectors.toSet()); |
| for (Exports e : qualExports) { |
| Set<String> targets = e.targets(); |
| for (String t : targets) { |
| map.compute(t, (k, ov) -> { |
| if (ov == null) { |
| List<String> v = new ArrayList<>(); |
| v.add(e.source()); |
| return v; |
| } else { |
| ov.add(e.source()); |
| return ov; |
| } |
| }); |
| } |
| } |
| |
| // Check if each target module has the right permissions to access |
| // its qualified exports |
| Policy policy = Policy.getPolicy(); |
| List<String> deployMods = Arrays.asList(deployModules); |
| for (Map.Entry<String, List<String>> me : map.entrySet()) { |
| String moduleName = me.getKey(); |
| |
| // skip deploy modules since they are granted permissions in |
| // deployment policy file |
| if (deployMods.contains(moduleName)) { |
| continue; |
| } |
| |
| // is this a module loaded by the platform loader? |
| Optional<Module> module = bootLayer.findModule(moduleName); |
| if (!module.isPresent()) { |
| continue; |
| } |
| Module mod = module.get(); |
| if (mod.getClassLoader() != ClassLoader.getPlatformClassLoader()) { |
| continue; |
| } |
| |
| // create ProtectionDomain simulating module |
| URL url = new URL("jrt:/" + moduleName); |
| CodeSource cs = new CodeSource(url, (CodeSigner[])null); |
| ProtectionDomain pd = new ProtectionDomain(cs, null, null, null); |
| |
| List<String> pkgs = me.getValue(); |
| for (String p : pkgs) { |
| RuntimePermission rp = |
| new RuntimePermission("accessClassInPackage." + p); |
| if (!policy.implies(pd, rp)) { |
| throw new Exception("Module " + mod + " has not been " + |
| "granted " + rp); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Returns true if the module's loader is the boot or platform loader. |
| */ |
| private static boolean isBootOrPlatformMod(Module m) { |
| return m.getClassLoader() == null || |
| m.getClassLoader() == ClassLoader.getPlatformClassLoader(); |
| } |
| } |