158 lines
6.5 KiB
Java
158 lines
6.5 KiB
Java
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.net.InetAddress;
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import java.rmi.AccessException;
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import java.rmi.NotBoundException;
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import java.rmi.registry.LocateRegistry;
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import java.rmi.registry.Registry;
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import java.util.Set;
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/* @test
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* @bug 8174770
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* @summary Verify that JMX Registry rejects non-local access for bind, unbind, rebind.
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* The test is manual because the (non-local) host and port running JMX must be supplied as properties.
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* @run main/othervm/manual -Djmx-registry.host=jmx-registry-host -Djmx-registry.port=jmx-registry-port NonLocalJMXRemoteTest
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*/
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/**
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* Verify that access checks for the Registry exported by JMX Registry.bind(),
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* .rebind(), and .unbind() are prevented on remote access to the registry.
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* The test verifies that the access check is performed *before* the object to be
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* bound or rebound is deserialized.
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* This tests the SingleEntryRegistry implemented by JMX.
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* This test is a manual test and uses JMX running on a *different* host.
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* JMX can be enabled in any Java runtime; for example:
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*
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* Note: Use remote host with latest JDK update release for invoking rmiregistry.
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*
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* Note: Test should be ran twice once using arg1 and once using arg2.
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*
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* login or ssh to the remote host and invoke rmiregistry with arg1.
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* It will not show any output.
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* Execute the test, after test completes execution, stop the server.
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*
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* repeat above step using arg2 and execute the test.
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*
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*
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* arg1: {@code $JDK_HOME/bin/rmiregistry \
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* -J-Dcom.sun.management.jmxremote.port=8888 \
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* -J-Dcom.sun.management.jmxremote.local.only=false \
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* -J-Dcom.sun.management.jmxremote.ssl=false \
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* -J-Dcom.sun.management.jmxremote.authenticate=false
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* }
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*
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*
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* replace "jmx-registry-host" with the hostname or IP address of the remote host
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* for property "-J-Dcom.sun.management.jmxremote.host" below.
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*
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* arg2: {@code $JDK_HOME/bin/rmiregistry \
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* -J-Dcom.sun.management.jmxremote.port=8888 \
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* -J-Dcom.sun.management.jmxremote.local.only=false \
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* -J-Dcom.sun.management.jmxremote.ssl=false \
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* -J-Dcom.sun.management.jmxremote.authenticate=false \
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* -J-Dcom.sun.management.jmxremote.host="jmx-registry-host"
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* }
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*
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* On the first host modify the @run command above to replace "jmx-registry-host"
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* with the hostname or IP address of the different host and run the test with jtreg.
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*/
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public class NonLocalJMXRemoteTest {
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public static void main(String[] args) throws Exception {
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String host = System.getProperty("jmx-registry.host");
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if (host == null || host.isEmpty()) {
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throw new RuntimeException("Specify host with system property: -Djmx-registry.host=<host>");
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}
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int port = Integer.getInteger("jmx-registry.port", -1);
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if (port <= 0) {
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throw new RuntimeException("Specify port with system property: -Djmx-registry.port=<port>");
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}
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// Check if running the test on a local system; it only applies to remote
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String myHostName = InetAddress.getLocalHost().getHostName();
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Set<InetAddress> myAddrs = Set.of(InetAddress.getAllByName(myHostName));
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Set<InetAddress> hostAddrs = Set.of(InetAddress.getAllByName(host));
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if (hostAddrs.stream().anyMatch(i -> myAddrs.contains(i))
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|| hostAddrs.stream().anyMatch(h -> h.isLoopbackAddress())) {
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throw new RuntimeException("Error: property 'jmx-registry.host' must not be the local host%n");
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}
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Registry registry = LocateRegistry.getRegistry(host, port);
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try {
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// Verify it is a JMX Registry
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registry.lookup("jmxrmi");
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} catch (NotBoundException nf) {
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throw new RuntimeException("Not a JMX registry, jmxrmi is not bound", nf);
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}
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try {
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registry.bind("foo", null);
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throw new RuntimeException("Remote access should not succeed for method: bind");
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} catch (Exception e) {
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assertIsAccessException(e);
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}
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try {
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registry.rebind("foo", null);
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throw new RuntimeException("Remote access should not succeed for method: rebind");
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} catch (Exception e) {
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assertIsAccessException(e);
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}
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try {
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registry.unbind("foo");
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throw new RuntimeException("Remote access should not succeed for method: unbind");
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} catch (Exception e) {
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assertIsAccessException(e);
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}
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}
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/**
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* Check the exception chain for the expected AccessException and message.
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* @param ex the exception from the remote invocation.
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*/
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private static void assertIsAccessException(Throwable ex) {
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Throwable t = ex;
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while (!(t instanceof AccessException) && t.getCause() != null) {
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t = t.getCause();
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}
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if (t instanceof AccessException) {
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String msg = t.getMessage();
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int asIndex = msg.indexOf("Registry");
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int disallowIndex = msg.indexOf("disallowed");
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int nonLocalHostIndex = msg.indexOf("non-local host");
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if (asIndex < 0 ||
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disallowIndex < 0 ||
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nonLocalHostIndex < 0 ) {
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System.out.println("Exception message is " + msg);
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throw new RuntimeException("exception message is malformed", t);
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}
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System.out.printf("Found expected AccessException: %s%n%n", t);
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} else {
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throw new RuntimeException("AccessException did not occur when expected", ex);
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}
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}
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}
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