test/jdk/com/sun/tools/attach/PermissionTest.java
changeset 47216 71c04702a3d5
parent 45028 b0ea3c0bfb81
child 51541 69ee8894f5fa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/com/sun/tools/attach/PermissionTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2005, 2015, 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 com.sun.tools.attach.VirtualMachine;
+import com.sun.tools.attach.AttachNotSupportedException;
+import java.io.File;
+import jdk.testlibrary.OutputAnalyzer;
+import jdk.testlibrary.ProcessTools;
+import jdk.testlibrary.ProcessThread;
+
+/*
+ * @test
+ * @bug 6173612 6273707 6277253 6335921 6348630 6342019 6381757
+ * @summary Basic unit tests for the VM attach mechanism. Unit test for Attach
+ * API - this checks that a SecurityException is thrown as expected.
+ *
+ * @library /lib/testlibrary
+ * @modules jdk.attach
+ *          jdk.jartool/sun.tools.jar
+ *
+ * @run build jdk.testlibrary.* Application
+ * @run main PermissionTest
+ */
+public class PermissionTest {
+
+    /*
+     * The actual test is in the nested class TestMain.
+     * The responsibility of this class is to:
+     * 1. Start the Application class in a separate process.
+     * 2. Find the pid and shutdown port of the running Application.
+     * 3. Run the tests in TstMain that will attach to the Application.
+     * 4. Shut down the Application.
+     */
+    public static void main(String args[]) throws Throwable {
+        ProcessThread processThread = null;
+        try {
+            processThread = RunnerUtil.startApplication();
+            runTests(processThread.getPid());
+        } catch (Throwable t) {
+            System.out.println("TestPermission got unexpected exception: " + t);
+            t.printStackTrace();
+            throw t;
+        } finally {
+            // Make sure the Application process is stopped.
+            RunnerUtil.stopApplication(processThread);
+        }
+    }
+
+    /**
+     * Runs the actual test the nested class TestMain.
+     * The test is run in a separate process because we need to add to the classpath.
+     */
+    private static void runTests(long pid) throws Throwable {
+        final String sep = File.separator;
+
+        String classpath =
+            System.getProperty("test.class.path", "");
+        String testSrc = System.getProperty("test.src", "") + sep;
+
+        // Use a policy that will NOT allow attach. Test will verify exception.
+        String[] args = {
+            "-classpath",
+            classpath,
+            "-Djava.security.manager",
+            String.format("-Djava.security.policy=%sjava.policy.deny", testSrc),
+            "PermissionTest$TestMain",
+            Long.toString(pid),
+            "true" };
+        OutputAnalyzer output = ProcessTools.executeTestJvm(args);
+        output.shouldHaveExitValue(0);
+
+        // Use a policy that will allow attach.
+        args = new String[] {
+            "-classpath",
+            classpath,
+            "-Djava.security.manager",
+            String.format("-Djava.security.policy=%sjava.policy.allow", testSrc),
+            "PermissionTest$TestMain",
+            Long.toString(pid),
+            "false" };
+        output = ProcessTools.executeTestJvm(args);
+        output.shouldHaveExitValue(0);
+    }
+
+    /**
+     * This is the actual test code. It will attach to the Application and verify
+     * that we get a SecurityException when that is expected.
+     */
+    public static class TestMain {
+        public static void main(String args[]) throws Exception {
+            SecurityManager sm = System.getSecurityManager();
+            if (sm == null) {
+                throw new RuntimeException("Test configuration error - no security manager set");
+            }
+
+            String pid = args[0];
+            boolean shouldFail = Boolean.parseBoolean(args[1]);
+
+            try {
+                VirtualMachine.attach(pid).detach();
+                if (shouldFail) {
+                    throw new RuntimeException("SecurityException should be thrown");
+                }
+                System.out.println(" - attached to target VM as expected.");
+            } catch (Exception x) {
+                // AttachNotSupportedException thrown when no providers can be loaded
+                if (shouldFail && ((x instanceof AttachNotSupportedException) ||
+                    (x instanceof SecurityException))) {
+                    System.out.println(" - exception thrown as expected.");
+                } else {
+                    throw x;
+                }
+            }
+        }
+    }
+}