113 lines
3.9 KiB
Java
113 lines
3.9 KiB
Java
/*
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* Copyright (c) 2023, 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 static jdk.test.lib.Asserts.*;
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import java.io.IOException;
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import java.lang.management.ManagementFactory;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.jar.Attributes;
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import java.util.jar.Manifest;
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import java.util.List;
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import com.sun.management.HotSpotDiagnosticMXBean;
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import com.sun.management.VMOption;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.Utils;
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import jdk.test.lib.util.JarUtils;
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/*
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* @test id=default
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* @bug 8304438
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* @summary JVMTI.agent_load should obey EnableDynamicAgentLoading (by default)
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* @modules jdk.attach jdk.jcmd
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* @library /test/lib
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* @build JavaAgent
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* @run main/othervm TestJcmdNoAgentLoad
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*/
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/*
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* @test id=disabled
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* @bug 8304438
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* @summary JVMTI.agent_load should obey EnableDynamicAgentLoading (disabled)
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* @modules jdk.attach jdk.jcmd
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* @library /test/lib
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* @build JavaAgent
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* @run main/othervm -XX:-EnableDynamicAgentLoading TestJcmdNoAgentLoad
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*/
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/*
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* @test id=enabled
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* @bug 8304438
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* @summary JVMTI.agent_load should obey EnableDynamicAgentLoading (enabled)
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* @modules jdk.attach jdk.jcmd
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* @library /test/lib
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* @build JavaAgent
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* @run main/othervm -XX:+EnableDynamicAgentLoading TestJcmdNoAgentLoad
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*/
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public class TestJcmdNoAgentLoad {
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private static final String PTRN = "Dynamic agent loading is not enabled";
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private static boolean dynamicLoadingEnabled = true;
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private static final String TEST_CLASSES = System.getProperty("test.classes");
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private static String javaAgent;
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static {
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// get VM option EnableDynamicAgentLoading value
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HotSpotDiagnosticMXBean bean = ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
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VMOption dynamicLoadingEnabledOpt = bean.getVMOption("EnableDynamicAgentLoading");
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dynamicLoadingEnabled = dynamicLoadingEnabledOpt.getValue().equals("true");
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}
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public static void main(String[] args) throws Exception {
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setup();
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testNoAgentLoad(new String[] { "JVMTI.agent_load", javaAgent });
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}
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private static void setup() throws Exception {
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// create JAR file with Java agent
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Manifest man = new Manifest();
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Attributes attrs = man.getMainAttributes();
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attrs.put(Attributes.Name.MANIFEST_VERSION, "1.0");
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attrs.put(new Attributes.Name("Agent-Class"), "JavaAgent");
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Path jarfile = Path.of("javaagent.jar");
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Path classes = Path.of(TEST_CLASSES);
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JarUtils.createJarFile(jarfile, man, classes, Path.of("JavaAgent.class"));
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javaAgent = jarfile.toString();
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}
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private static void testNoAgentLoad(String... jcmdArgs) throws Exception {
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OutputAnalyzer output = JcmdBase.jcmd(jcmdArgs);
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output.shouldHaveExitValue(0);
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if (dynamicLoadingEnabled) {
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output.shouldNotContain(PTRN);
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} else {
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output.shouldContain(PTRN);
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}
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}
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}
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