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/*
* Copyright (c) 2021, 2023, 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 org.testng.Assert;
import org.testng.annotations.Test;
import java.net.InetAddress;
import java.security.Permission;
import java.util.ServiceConfigurationError;
import java.util.logging.Logger;
/*
* @test
* @summary Test that instantiation of InetAddressResolverProvider requires "inetAddressResolverProvider"
* RuntimePermission when running with security manager.
* @library lib providers/simple
* @build test.library/testlib.ResolutionRegistry simple.provider/impl.SimpleResolverProviderImpl
* RuntimePermissionTest
* @run testng/othervm -Djava.security.manager=allow RuntimePermissionTest
*/
public class RuntimePermissionTest {
@Test
public void withRuntimePermission() throws Exception {
testRuntimePermission(true);
}
@Test
public void noRuntimePermission() throws Exception {
testRuntimePermission(false);
}
@SuppressWarnings("removal")
private void testRuntimePermission(boolean permitInetAddressResolver) throws Exception {
// Set security manager which grants all permissions + RuntimePermission("inetAddressResolverProvider")
var securityManager = new TestSecurityManager(permitInetAddressResolver);
try {
System.setSecurityManager(securityManager);
if (permitInetAddressResolver) {
InetAddress.getByName("javaTest.org");
} else {
ServiceConfigurationError sce =
Assert.expectThrows(ServiceConfigurationError.class,
() -> InetAddress.getByName("javaTest.org"));
System.err.println("Got ServiceConfigurationError: " + sce);
Throwable cause = sce.getCause();
Assert.assertTrue(cause instanceof SecurityException);
Assert.assertTrue(cause.getMessage().contains(RUNTIME_PERMISSION_NAME));
}
} finally {
System.setSecurityManager(null);
}
}
static class TestSecurityManager extends SecurityManager {
final boolean permitInetAddressResolver;
public TestSecurityManager(boolean permitInetAddressResolver) {
this.permitInetAddressResolver = permitInetAddressResolver;
System.err.println("inetAddressResolverProvider permission is " +
(permitInetAddressResolver ? "granted" : "not granted"));
}
@Override
public void checkPermission(Permission permission) {
if (permission instanceof RuntimePermission) {
if (RUNTIME_PERMISSION_NAME.equals(permission.getName()) && !permitInetAddressResolver) {
System.err.println("Denying '" + RUNTIME_PERMISSION_NAME + "' permission");
throw new SecurityException("Access Denied: " + RUNTIME_PERMISSION_NAME);
} else {
// Do not do anything for non-matching Permission. Otherwise the test
// has a chance to re-enter here recursively, e.g. due to permission
// checks during class load. This would eventually overflow the stack.
}
}
}
}
private static final String RUNTIME_PERMISSION_NAME = "inetAddressResolverProvider";
}
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