Path: blob/aarch64-shenandoah-jdk8u272-b10/jdk/test/java/net/InetAddress/GetLocalHostWithSM.java
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/*1* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.2* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.3*4* This code is free software; you can redistribute it and/or modify it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation.7*8* This code is distributed in the hope that it will be useful, but WITHOUT9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License11* version 2 for more details (a copy is included in the LICENSE file that12* accompanied this code).13*14* You should have received a copy of the GNU General Public License version15* 2 along with this work; if not, write to the Free Software Foundation,16* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.17*18* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA19* or visit www.oracle.com if you need additional information or have any20* questions.21*/2223/**24* @test25* @bug 4531817 802624526* @summary Inet[46]Address.localHost need doPrivileged27* @run main/othervm GetLocalHostWithSM28* @run main/othervm -Djava.net.preferIPv4Stack=true GetLocalHostWithSM29* @run main/othervm -Djava.net.preferIPv6Addresses=true GetLocalHostWithSM30* files needed: GetLocalHostWithSM.java, MyPrincipal.java, and policy.file31*/3233import java.net.*;3435import javax.security.auth.Subject;36import java.security.Principal;37import java.security.PrivilegedExceptionAction;38import java.util.*;3940public class GetLocalHostWithSM {4142public static void main(String[] args) throws Exception {4344// try setting the local hostname45InetAddress localHost = InetAddress.getLocalHost();46if (localHost.isLoopbackAddress()) {47System.err.println("Local host name is resolved into a loopback address. Quit now!");48return;49}50System.setProperty("host.name", localHost.51getHostName());52String policyFileName = System.getProperty("test.src", ".") +53"/" + "policy.file";54System.setProperty("java.security.policy", policyFileName);55System.setSecurityManager(new SecurityManager());5657InetAddress localHost1 = null;58InetAddress localHost2 = null;5960localHost1 = InetAddress.getLocalHost();6162Subject mySubject = new Subject();63MyPrincipal userPrincipal = new MyPrincipal("test");64mySubject.getPrincipals().add(userPrincipal);65localHost2 = (InetAddress)Subject.doAsPrivileged(mySubject,66new MyAction(), null);6768if (localHost1.equals(localHost2)) {69System.out.println("localHost1 = " + localHost1);70throw new RuntimeException("InetAddress.getLocalHost() test " +71" fails. localHost2 should be " +72" the real address instead of " +73" the loopback address."+localHost2);74}75}76}777879class MyAction implements PrivilegedExceptionAction {8081public Object run() throws Exception {82return InetAddress.getLocalHost();83}84}858687