undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/jdk/java/net/MulticastSocket/Test.java

@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2001, 2019, 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 java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.SocketTimeoutException;
+
+import jdk.test.lib.NetworkConfiguration;
+import jdk.test.lib.net.IPSupport;
+
+/**
+ * @test
+ * @bug 4488458
+ * @summary IPv4 and IPv6 multicasting broken on Linux
+ * @library /test/lib
+ * @build jdk.test.lib.NetworkConfiguration
+ *        jdk.test.lib.Platform
+ * @run main Test
+ * @run main/othervm -Djava.net.preferIPv4Stack=true Test
+ */
+public class Test {
+
+    static int count = 0;
+    static int failures = 0;
+
+    void doTest(String address) throws IOException {
+        boolean failed = false;
+
+        InetAddress ia = InetAddress.getByName(address);
+
+        count++;
+        System.out.println("**********************");
+        System.out.println("Test " + count + ": " + ia);
+
+        MulticastSocket mc = new MulticastSocket();
+        int port = mc.getLocalPort();
+        DatagramSocket s1 = new DatagramSocket();
+
+        byte msg[] = "Hello".getBytes();
+        DatagramPacket p = new DatagramPacket(msg, msg.length);
+
+        mc.setSoTimeout(2000);
+
+        try {
+            for (int i=0; i<2; i++) {
+
+                System.out.println("Join: " + ia);
+                mc.joinGroup(ia);
+
+                /* packets should be received */
+
+                for (int j = 0; j < 2; j++) {
+                    p.setAddress(ia);
+                    p.setPort(port);
+
+                    System.out.println("Send packet to: " + ia);
+                    s1.send(p);
+
+                    try {
+                        mc.receive(p);
+                        System.out.println("Got packet! - Good.");
+                    } catch (SocketTimeoutException e) {
+                        failed = true;
+                        System.out.println("Failed: No packet received within timeout!!!");
+                    }
+                }
+
+                System.out.println("Leave: " + ia);
+                mc.leaveGroup(ia);
+
+                /*
+                 * If there are multiple interface we might be a couple of
+                 * copies still in our queue
+                 */
+                try {
+                    while (true) {
+                        mc.receive(p);
+                    }
+                } catch (SocketTimeoutException e) { }
+
+                /* packets should not be received */
+
+                p.setAddress(ia);
+                p.setPort(port);
+
+                s1.send(p);
+
+                try {
+                    mc.receive(p);
+                    System.out.println("Failed: Got packet after leaving group!!!");
+                    failed = true;
+                } catch (SocketTimeoutException e) {
+                    System.out.println("No packet received within timeout! - Good.");
+                }
+            }
+
+         } catch (IOException ioe) {
+            System.out.println("Failed: Unexpected exception thrown: ");
+            ioe.printStackTrace();
+            failed = true;
+        }
+
+        mc.close();
+        s1.close();
+
+        if (failed) {
+            failures++;
+            System.out.println("Test failed!!");
+        } else {
+            System.out.println("Test passed.");
+        }
+    }
+
+    void allTests() throws IOException {
+        NetworkConfiguration nc = NetworkConfiguration.probe();
+
+        // unconditionally test IPv4 address
+        doTest("224.80.80.80");
+
+        // If IPv6 is enabled perform multicast tests with various scopes
+        if (nc.hasTestableIPv6Address()) {
+            doTest("ff01::a");
+        }
+
+        if (nc.hasLinkLocalAddress()) {
+            doTest("ff02::a");
+        }
+
+        if (nc.hasSiteLocalAddress()) {
+            doTest("ff05::a");
+        }
+
+        if (nc.has_globaladdress()) {
+            doTest("ff0e::a");
+        }
+    }
+
+    public static void main(String args[]) throws Exception {
+        IPSupport.throwSkippedExceptionIfNonOperational();
+
+        Test t = new Test();
+
+        if (args.length == 0) {
+            t.allTests();
+        } else {
+            for (int i = 0; i < args.length; i++) {
+                t.doTest(args[i]);
+            }
+        }
+
+        System.out.println("**********************");
+        System.out.println(count + " test(s) executed. " + failures +
+                           " test(s) failed.");
+
+        if (failures > 0) {
+            throw new Exception("Test failed - see log file for details");
+        }
+    }
+}