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/*
* Copyright (c) 2017, 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.
*/
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.nio.channels.SocketChannel;
/**
* Launched by IllegalAccessTest to attempt illegal access.
*/
public class TryAccess {
public static void main(String[] args) throws Exception {
String[] methodNames = args[0].split(",");
for (String methodName : methodNames) {
Method m = TryAccess.class.getDeclaredMethod(methodName);
m.invoke(null);
}
}
// -- static access --
static void accessPublicClassNonExportedPackage() throws Exception {
Object obj = new sun.security.x509.X500Name("CN=name");
}
static void accessPublicClassJdk9NonExportedPackage() {
Object obj = jdk.internal.misc.Unsafe.getUnsafe();
}
// -- reflective access --
static void reflectPublicMemberExportedPackage() throws Exception {
Constructor<?> ctor = String.class.getConstructor(String.class);
Object name = ctor.newInstance("value");
}
static void reflectNonPublicMemberExportedPackage() throws Exception {
Field f = String.class.getDeclaredField("value");
Object obj = f.get("foo");
}
static void reflectPublicMemberNonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("sun.security.x509.X500Name");
Constructor<?> ctor = clazz.getConstructor(String.class);
Object obj = ctor.newInstance("CN=user");
}
static void reflectNonPublicMemberNonExportedPackage() throws Exception {
SocketChannel sc = SocketChannel.open();
Field f = sc.getClass().getDeclaredField("fd");
Object obj = f.get(sc);
}
static void reflectPublicMemberJdk9NonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("jdk.internal.misc.Unsafe");
Method m = clazz.getMethod("getUnsafe");
Object obj = m.invoke(null);
}
static void reflectPublicMemberApplicationModule() throws Exception {
Class<?> clazz = Class.forName("p.Type");
Constructor<?> ctor = clazz.getConstructor(int.class);
Object obj = ctor.newInstance(1);
}
// -- setAccessible --
static void setAccessiblePublicMemberExportedPackage() throws Exception {
Constructor<?> ctor = String.class.getConstructor(String.class);
ctor.setAccessible(true);
}
static void setAccessibleNonPublicMemberExportedPackage() throws Exception {
Method method = ClassLoader.class.getDeclaredMethod("defineClass",
byte[].class, int.class, int.class);
method.setAccessible(true);
}
static void setAccessiblePublicMemberNonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("sun.security.x509.X500Name");
Constructor<?> ctor = clazz.getConstructor(String.class);
ctor.setAccessible(true);
}
static void setAccessibleNonPublicMemberNonExportedPackage() throws Exception {
SocketChannel sc = SocketChannel.open();
Field f = sc.getClass().getDeclaredField("fd");
f.setAccessible(true);
}
static void setAccessiblePublicMemberJdk9NonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("jdk.internal.misc.Unsafe");
Method m = clazz.getMethod("getUnsafe");
m.setAccessible(true);
}
static void setAccessiblePublicMemberApplicationModule() throws Exception {
Class<?> clazz = Class.forName("p.Type");
Constructor<?> ctor = clazz.getConstructor(int.class);
ctor.setAccessible(true);
}
static void setAccessibleNotPublicMemberApplicationModule() throws Exception {
Class<?> clazz = Class.forName("p.Type");
Constructor<?> ctor = clazz.getDeclaredConstructor(int.class, int.class);
ctor.setAccessible(true);
}
// -- privateLookupIn --
static void privateLookupPublicClassExportedPackage() throws Exception {
MethodHandles.privateLookupIn(String.class, MethodHandles.lookup());
}
static void privateLookupNonPublicClassExportedPackage() throws Exception {
Class<?> clazz = Class.forName("java.lang.WeakPairMap");
MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
}
static void privateLookupPublicClassNonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("sun.security.x509.X500Name");
MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
}
static void privateLookupNonPublicClassNonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("sun.nio.ch.SocketChannelImpl");
MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
}
static void privateLookupPublicClassJdk9NonExportedPackage() throws Exception {
Class<?> clazz = Class.forName("jdk.internal.misc.Unsafe");
MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
}
static void privateLookupPublicClassApplicationModule() throws Exception {
Class<?> clazz = Class.forName("p.Type");
MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
}
// -- export/open packages to this unnamed module --
static void exportNonExportedPackages() throws Exception {
Class<?> helper = Class.forName("java.lang.Helper");
Method m = helper.getMethod("export", String.class, Module.class);
m.invoke(null, "sun.security.x509", TryAccess.class.getModule());
m.invoke(null, "sun.nio.ch", TryAccess.class.getModule());
}
static void openExportedPackage() throws Exception {
Class<?> helper = Class.forName("java.lang.Helper");
Method m = helper.getMethod("open", String.class, Module.class);
m.invoke(null, "java.lang", TryAccess.class.getModule());
}
static void openNonExportedPackages() throws Exception {
Class<?> helper = Class.forName("java.lang.Helper");
Method m = helper.getMethod("open", String.class, Module.class);
m.invoke(null, "sun.security.x509", TryAccess.class.getModule());
m.invoke(null, "sun.nio.ch", TryAccess.class.getModule());
}
}
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