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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/net/MulticastSocket/MulticastAddresses.java
+++ b/test/jdk/java/net/MulticastSocket/MulticastAddresses.java
@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2001, 2021, 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.
+ */
+
+/*
+ * @test
+ * @bug 4488458
+ * @library /test/lib
+ * @summary Test that MutlicastSocket.joinGroup is working for
+ *          various multicast and non-multicast addresses.
+ * @run main MulticastAddresses
+ */
+
+import jdk.test.lib.NetworkConfiguration;
+
+import java.net.*;
+import java.io.IOException;
+import java.util.stream.Collectors;
+
+public class MulticastAddresses {
+    public static void runTest(NetworkInterface ni,
+                               String[] multicasts,
+                               String[] nonMulticasts) throws Exception {
+        int failures = 0;
+
+        MulticastSocket s = new MulticastSocket();
+
+        /* test valid multicast addresses */
+        for (int i = 0; i < multicasts.length; i++) {
+            InetAddress ia = InetAddress.getByName(multicasts[i]);
+
+            System.out.println("Test: " + ia + " " + " ni: " + ni);
+            try {
+
+                System.out.print("    joinGroup(InetAddress) ");
+                s.joinGroup(ia);
+                s.leaveGroup(ia);
+                System.out.println("    Passed.");
+
+                System.out.print("    joinGroup(InetAddress,NetworkInterface) ");
+                s.joinGroup(new InetSocketAddress(ia, 0), ni);
+                s.leaveGroup(new InetSocketAddress(ia, 0), ni);
+                System.out.println("    Passed.");
+            } catch (IOException e) {
+                failures++;
+                System.out.println("Failed: " + e.getMessage());
+            }
+
+        }
+
+        /* test non-multicast addresses */
+        for (int i = 0; i < nonMulticasts.length; i++) {
+            InetAddress ia = InetAddress.getByName(nonMulticasts[i]);
+            boolean failed = false;
+
+            System.out.println("Test: " + ia + " ");
+            try {
+                System.out.println("    joinGroup(InetAddress) ");
+                s.joinGroup(ia);
+
+                System.out.println("Failed!! -- incorrectly joined group");
+                failed = true;
+            } catch (IOException e) {
+                System.out.println("    Passed: " + e.getMessage());
+            }
+            if (failed) {
+                s.leaveGroup(ia);
+                failures++;
+            }
+        }
+        s.close();
+        if (failures > 0) {
+            throw new Exception(failures + " test(s) failed - see log file.");
+        }
+    }
+
+
+    public static void main(String args[]) throws Exception {
+
+        String[] multicastIPv4 = {
+                "224.80.80.80",
+        };
+        String[] multicastIPv6 = {
+                "ff01::1",
+                "ff02::1234",
+                "ff05::a",
+                "ff0e::1234:a"};
+
+        String[] nonMulticastIPv4 = {
+                "129.1.1.1"
+        };
+
+        String[] nonMulticastIPv6 = {
+                "::1",
+                "::129.1.1.1",
+                "fe80::a00:20ff:fee5:bc02"};
+
+        /*
+         * Examine the network interfaces and determine :-
+         *
+         * 1. If host has IPv6 support
+         * 2. Get reference to a non-loopback interface
+         */
+        NetworkConfiguration nc = NetworkConfiguration.probe();
+        var ipv6List = nc.ip6MulticastInterfaces(false)
+                .collect(Collectors.toList());
+
+        var ipv4List = nc.ip4MulticastInterfaces(false)
+                .collect(Collectors.toList());
+
+        if (ipv6List.retainAll(ipv4List)) {
+            runTest(ipv6List.get(0), multicastIPv4, nonMulticastIPv4);
+            runTest(ipv6List.get(0), multicastIPv6, nonMulticastIPv6);
+        } else {
+            if (!ipv4List.isEmpty())
+                runTest(ipv4List.get(0), multicastIPv4, nonMulticastIPv4);
+            if (!ipv6List.isEmpty())
+                runTest(ipv6List.get(0), multicastIPv6, nonMulticastIPv6);
+        }
+    }
+}