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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277
test/jdk/java/net/BindException/Test.java
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277
test/jdk/java/net/BindException/Test.java
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/*
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* Copyright (c) 2001, 2019, 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 4417734
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* @key intermittent
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* @summary Test that we get a BindException in all expected combinations
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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 Test -d
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*/
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import java.net.*;
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import java.util.Enumeration;
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import jdk.test.lib.NetworkConfiguration;
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public class Test {
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static Object[][] getTestCombinations() {
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return new Object[][] {
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{ "ServerSocket", "Socket" },
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{ "Socket", "Socket" },
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{ "DatagramSocket", "DatagramSocket" },
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};
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}
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static InetAddress ia4_this;
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static InetAddress ia6_this;
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static int count;
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static int failures;
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static boolean retried;
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static void doTest(Object test[], InetAddress ia1, InetAddress ia2,
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boolean silent) throws Exception {
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/*
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* Increment test count
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*/
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count++;
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doTest(test, count, ia1, ia2, silent, !retried);
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}
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static void doTest(Object test[], int count, InetAddress ia1, InetAddress ia2,
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boolean silent, boolean retry) throws Exception {
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String s1_type = (String)test[0];
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String s2_type = (String)test[1];
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int port = 0;
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/*
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* Do the test
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*/
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boolean gotBindException = false;
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boolean failed = false;
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Exception failed_exc = null;
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Socket sock1 = null;
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ServerSocket ss = null;
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DatagramSocket dsock1 = null;
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boolean firstBound = false;
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try {
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/* bind the first socket */
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if (s1_type.equals("Socket")) {
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sock1 = new Socket();
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sock1.bind( new InetSocketAddress(ia1, 0));
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port = sock1.getLocalPort();
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}
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if (s1_type.equals("ServerSocket")) {
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ss = new ServerSocket(0, 0, ia1);
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port = ss.getLocalPort();
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}
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if (s1_type.equals("DatagramSocket")) {
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dsock1 = new DatagramSocket( new InetSocketAddress(ia1, 0) );
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port = dsock1.getLocalPort();
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}
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/* bind the second socket */
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// The fact that the port was available for ia1 does not
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// guarantee that it will also be available for ia2 as something
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// else might already be bound to that port.
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// For the sake of test stability we will retry once in
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// case of unexpected bind exception.
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firstBound = true;
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if (s2_type.equals("Socket")) {
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try (Socket sock2 = new Socket()) {
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sock2.bind( new InetSocketAddress(ia2, port));
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}
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}
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if (s2_type.equals("ServerSocket")) {
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try (ServerSocket ss2 = new ServerSocket(port, 0, ia2)) { }
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}
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if (s2_type.equals("DatagramSocket")) {
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try (DatagramSocket ds =
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new DatagramSocket(new InetSocketAddress(ia2, port))) { }
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}
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} catch (BindException be) {
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gotBindException = true;
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failed_exc = be;
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} catch (Exception e) {
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failed = true;
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failed_exc = e;
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} finally {
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if (sock1 != null) sock1.close();
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if (ss != null) ss.close();
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if (dsock1 != null) dsock1.close();
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}
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/*
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* Did we expect a BindException?
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*/
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boolean expectedBindException = true;
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if (ia1 == ia4_this && ia2 == ia6_this) {
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expectedBindException = false;
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}
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if (ia1 == ia6_this && ia2 == ia4_this) {
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expectedBindException = false;
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}
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/*
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* Did it fail?
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*/
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if (!failed && gotBindException != expectedBindException) {
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failed = true;
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}
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/*
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* If test passed and running in silent mode then exit
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*/
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if (!failed && silent) {
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return;
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}
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if (failed && retry && firstBound) {
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// retry once at the first failure only
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retried = true;
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if (!silent) {
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System.out.println("");
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System.out.println("**************************");
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System.out.println("Test " + count + ": Retrying...");
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}
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doTest(test, count, ia1, ia2, silent, false);
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return;
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}
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if (failed || !silent) {
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System.out.println("");
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System.out.println("**************************");
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System.out.println("Test " + count);
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System.out.println(s1_type + " binds: " + ia1 + " port: " + port);
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System.out.println(s2_type + " binds: " + ia2);
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if (!failed) {
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if (gotBindException) {
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System.out.println("Got expected BindException - test passed!");
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failed_exc.printStackTrace(System.out);
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} else {
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System.out.println("No BindException as expected - test passed!");
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}
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return;
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}
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}
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if (gotBindException) {
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System.out.println("BindException unexpected - test failed!!!");
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failed_exc.printStackTrace(System.out);
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} else {
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System.out.println("No bind failure as expected - test failed!!!");
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}
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failures++;
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}
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public static void main(String args[]) throws Exception {
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boolean silent = true;
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if (args.length > 0) {
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if (args[0].equals("-d")) {
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silent = false;
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}
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}
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/*
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* Test needs an IPv4 and IPv6 address to run.
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*/
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Enumeration nifs = NetworkInterface.getNetworkInterfaces();
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while (nifs.hasMoreElements()) {
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NetworkInterface ni = (NetworkInterface)nifs.nextElement();
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Enumeration addrs = ni.getInetAddresses();
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while (addrs.hasMoreElements()) {
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InetAddress ia = (InetAddress)addrs.nextElement();
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if (ia.isLoopbackAddress() || ia.isAnyLocalAddress()) {
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continue;
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}
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if ((ia instanceof Inet4Address) && (ia4_this == null)) {
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ia4_this = ia;
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}
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if ((ia instanceof Inet6Address) && (ia6_this == null)) {
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ia6_this = ia;
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}
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}
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}
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/*
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* Perform tests on all combinations of IPv4 and IPv6
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* addresses.
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*/
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InetAddress addrs[] = { ia4_this, ia6_this };
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if (!silent) {
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System.out.println("Using ia4_this:" + ia4_this);
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System.out.println("Using ia6_this:" + ia6_this);
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}
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Object tests[][] = getTestCombinations();
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for (int i=0; i<tests.length; i++) {
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Object test[] = tests[i];
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for (int j=0; j<addrs.length; j++) {
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for (int k=0; k<addrs.length; k++) {
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if (addrs[j] == null || addrs[k] == null) {
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continue;
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}
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doTest( test, addrs[j], addrs[k], silent);
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}
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}
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}
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System.out.println("");
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System.out.println(count + " test(s) executed. " + failures + " failure(s).");
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if (failures > 0) {
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System.err.println("********************************");
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NetworkConfiguration.printSystemConfiguration(System.err);
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System.out.println("********************************");
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throw new Exception(failures + " tests(s) failed - see log");
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}
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}
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}
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