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.
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test/jdk/java/net/ipv6tests/UdpTest.java
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test/jdk/java/net/ipv6tests/UdpTest.java
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/*
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* Copyright (c) 2003, 2025, 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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/*
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* @test
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* @bug 4868820
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* @key intermittent
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* @summary IPv6 support for Windows XP and 2003 server.
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* This test requires binding to the wildcard address and as such
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* may fail intermittently on some platforms.
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* @library /test/lib
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* @build jdk.test.lib.NetworkConfiguration
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* jdk.test.lib.Platform
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* @run main UdpTest -d
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*/
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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import java.net.Inet4Address;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import java.net.PortUnreachableException;
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import java.net.SocketTimeoutException;
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import java.util.concurrent.TimeUnit;
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public class UdpTest extends Tests {
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static DatagramSocket c3, s1, s2, s3;
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static InetAddress s1peer, s2peer;
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static InetAddress ia4any;
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static InetAddress ia6any;
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static Inet6Address ia6addr;
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static InetAddress ia6bad; /* a global 6to4 IPv6 address, which cant be connected to */
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static InetAddress ia6rem1;
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static Inet4Address ia4addr;
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static {
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try {
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ia4any = InetAddress.getByName ("0.0.0.0");
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ia6any = InetAddress.getByName ("::0");
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try {
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ia6bad = InetAddress.getByName ("2002:819c:dc29:1:1322:33ff:fe44:5566%net0");
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} catch (Exception e) {
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ia6bad = InetAddress.getByName ("2002:819c:dc29:1:1322:33ff:fe44:5566");
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}
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//ia6rem1 = InetAddress.getByName ("fe80::a00:20ff:feed:b08d%eth0");
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//ia6rem1 = InetAddress.getByName ("129.156.220.63");
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} catch (Exception e) {
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e.printStackTrace();
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}
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ia6addr = getFirstLocalIPv6Address ();
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ia4addr = getFirstLocalIPv4Address ();
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}
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public static void main (String[] args) throws Exception {
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checkDebug(args);
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if (ia4addr == null) {
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System.out.println ("No local IPv4 addresses: exiting now");
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return;
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}
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if (ia6addr == null) {
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System.out.println ("No local IPv6 addresses: exiting now");
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return;
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}
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dprintln ("Local Addresses");
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dprintln (ia4addr.toString());
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dprintln (ia6addr.toString());
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test1 ();
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test2 ();
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if (!isLinux()) {
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test3 ();
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}
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test4 ();
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}
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/* basic UDP connectivity test using IPv6 only and IPv4/IPv6 together */
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static void test1 () throws Exception {
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System.out.println("Test1 starting");
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s1 = new DatagramSocket ();
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s2 = new DatagramSocket ();
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simpleDataExchange (s1, ia4addr, s2, ia4addr);
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s1.close (); s2.close ();
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/* IPv6 */
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s1 = new DatagramSocket ();
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s2 = new DatagramSocket ();
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simpleDataExchange (s1, ia6addr, s2, ia6addr);
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s1.close (); s2.close ();
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/* IPv6 only */
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s1 = new DatagramSocket (0, ia6addr);
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s2 = new DatagramSocket (0, ia6addr);
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simpleDataExchange (s1, ia6addr, s2, ia6addr);
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s1.close (); s2.close ();
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/* IPv6 and IPv4 */
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s1 = new DatagramSocket ();
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s2 = new DatagramSocket ();
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simpleDataExchange (s1, ia6addr, s2, ia4addr);
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s1.close (); s2.close ();
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/* listen on anyaddr and check receive from IPv4 and IPv6 */
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s1 = new DatagramSocket ();
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s2 = new DatagramSocket (0, ia6addr);
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s3 = new DatagramSocket (0, ia4addr);
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datagramEcho (s2, s1, ia6addr);
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datagramEcho (s3, s1, ia4addr);
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s1.close (); s2.close (); s3.close();
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System.out.println ("Test1: OK");
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}
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/* check timeouts on receive */
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static void test2 () throws Exception {
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System.out.println("Test2 starting");
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s1 = new DatagramSocket ();
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s2 = new DatagramSocket ();
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s1.setSoTimeout (4000);
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long t1 = System.nanoTime();
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try {
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s1.receive (new DatagramPacket (new byte [128], 128));
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throw new Exception ("expected receive timeout ");
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} catch (SocketTimeoutException e) {
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}
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final long expectedTime = TimeUnit.SECONDS.toMillis(4);
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checkIfTimeOut(TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - t1), expectedTime);
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/* check data can be exchanged now */
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simpleDataExchange (s1, ia6addr, s2, ia4addr);
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/* double check timeout still works */
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t1 = System.nanoTime();
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try {
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s1.receive (new DatagramPacket (new byte [128], 128));
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throw new Exception ("expected receive timeout ");
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} catch (SocketTimeoutException e) {
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}
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checkIfTimeOut(TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - t1), expectedTime);
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/* check receive works after a delay < timeout */
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final DatagramSocket s = s2;
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final InetAddress ia6 = ia6addr;
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final int port = s1.getLocalPort();
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s1.setSoTimeout(10000);
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runAfter (2000, new Runnable () {
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public void run () {
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try {
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DatagramPacket p = new DatagramPacket ("Hello 123".getBytes(), 0, 8, ia6, port);
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s.send (p);
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} catch (Exception e) {}
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}
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});
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t1 = System.nanoTime();
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s1.receive (new DatagramPacket (new byte [128], 128));
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final long startTime = TimeUnit.SECONDS.toMillis(2);
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checkIfTimeOut(TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - t1), startTime);
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s1.close ();
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s2.close ();
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System.out.println ("Test2: OK");
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}
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/* check connected sockets */
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static void test3 () throws Exception {
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System.out.println("Test3 starting");
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s1 = new DatagramSocket ();
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s2 = new DatagramSocket ();
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s1.connect (ia6addr, s2.getLocalPort());
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datagramEcho (s1, s2, null);
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s1.close (); s2.close();
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System.out.println ("Test3: OK");
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}
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/* check PortUnreachable */
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static void test4 () throws Exception {
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System.out.println("Test4 starting");
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s1 = new DatagramSocket ();
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s1.connect (ia6addr, 5000);
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s1.setSoTimeout (3000);
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try {
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DatagramPacket p = new DatagramPacket ("HelloWorld".getBytes(), "HelloWorld".length());
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s1.send (p);
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p = new DatagramPacket (new byte[128], 128);
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s1.receive (p);
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} catch (PortUnreachableException e) {
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System.out.println ("Test4: OK");
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return;
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} catch (SocketTimeoutException e) {
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System.out.println ("Test4: failed. Never mind, it's an OS bug");
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}
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}
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}
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