1 /* 2 * Copyright (c) 2005, 2015 Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import com.sun.tools.attach.VirtualMachine; 25 import com.sun.tools.attach.AttachNotSupportedException; 26 import java.io.File; 27 import jdk.testlibrary.OutputAnalyzer; 28 import jdk.testlibrary.ProcessTools; 29 import jdk.testlibrary.ProcessThread; 30 31 /* 32 * @test 33 * @bug 6173612 6273707 6277253 6335921 6348630 6342019 6381757 34 * @summary Basic unit tests for the VM attach mechanism. Unit test for Attach 35 * API - this checks that a SecurityException is thrown as expected. 36 * 37 * @library /lib/testlibrary 38 * @modules jdk.attach 39 * jdk.jartool/sun.tools.jar 40 * 41 * @run build jdk.testlibrary.* Application 42 * @run main PermissionTest 43 */ 44 public class PermissionTest { 45 46 /* 47 * The actual test is in the nested class TestMain. 48 * The responsibility of this class is to: 49 * 1. Start the Application class in a separate process. 50 * 2. Find the pid and shutdown port of the running Application. 51 * 3. Run the tests in TstMain that will attach to the Application. 52 * 4. Shut down the Application. 53 */ 54 public static void main(String args[]) throws Throwable { 55 ProcessThread processThread = null; 56 try { 57 processThread = RunnerUtil.startApplication(); 58 runTests(processThread.getPid()); 59 } catch (Throwable t) { 60 System.out.println("TestPermission got unexpected exception: " + t); 61 t.printStackTrace(); 62 throw t; 63 } finally { 64 // Make sure the Application process is stopped. 65 RunnerUtil.stopApplication(processThread); 66 } 67 } 68 69 /** 70 * Runs the actual test the nested class TestMain. 71 * The test is run in a separate process because we need to add to the classpath. 72 */ 73 private static void runTests(long pid) throws Throwable { 74 final String sep = File.separator; 75 76 String classpath = 77 System.getProperty("test.class.path", ""); 78 String testSrc = System.getProperty("test.src", "") + sep; 79 80 // Use a policy that will NOT allow attach. Test will verify exception. 81 String[] args = { 82 "-classpath", 83 classpath, 84 "-Djava.security.manager", 85 String.format("-Djava.security.policy=%sjava.policy.deny", testSrc), 86 "PermissionTest$TestMain", 87 Long.toString(pid), 88 "true" }; 89 OutputAnalyzer output = ProcessTools.executeTestJvm(args); 90 output.shouldHaveExitValue(0); 91 92 // Use a policy that will allow attach. 93 args = new String[] { 94 "-classpath", 95 classpath, 96 "-Djava.security.manager", 97 String.format("-Djava.security.policy=%sjava.policy.allow", testSrc), 98 "PermissionTest$TestMain", 99 Long.toString(pid), 100 "false" }; 101 output = ProcessTools.executeTestJvm(args); 102 output.shouldHaveExitValue(0); 103 } 104 105 /** 106 * This is the actual test code. It will attach to the Application and verify 107 * that we get a SecurityException when that is expected. 108 */ 109 public static class TestMain { 110 public static void main(String args[]) throws Exception { 111 SecurityManager sm = System.getSecurityManager(); 112 if (sm == null) { 113 throw new RuntimeException("Test configuration error - no security manager set"); 114 } 115 116 String pid = args[0]; 117 boolean shouldFail = Boolean.parseBoolean(args[1]); 118 119 try { 120 VirtualMachine.attach(pid).detach(); 121 if (shouldFail) { 122 throw new RuntimeException("SecurityException should be thrown"); 123 } 124 System.out.println(" - attached to target VM as expected."); 125 } catch (Exception x) { 126 // AttachNotSupportedException thrown when no providers can be loaded 127 if (shouldFail && ((x instanceof AttachNotSupportedException) || 128 (x instanceof SecurityException))) { 129 System.out.println(" - exception thrown as expected."); 130 } else { 131 throw x; 132 } 133 } 134 } 135 } 136 }