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

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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/net/Socket/UrgentDataTest.java Normal file
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/*
* 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.
*/
/*
* @test
* @bug 4092038
* @library /test/lib
* @summary TCP Urgent data support
* @run main UrgentDataTest
* @run main/othervm -Djava.net.preferIPv4Stack=true UrgentDataTest
*/
import java.net.*;
import java.io.*;
import jdk.test.lib.net.IPSupport;
public class UrgentDataTest {
Object opref;
boolean isClient, isServer;
String clHost;
ServerSocket listener;
Socket client, server;
int clPort;
InputStream clis, sis;
OutputStream clos, sos;
static void usage () {
System.out.println (" usage: java UrgentDataTest <runs client and server together>");
System.out.println (" usage: java UrgentDataTest -server <runs server alone>");
System.out.println (" usage: java UrgentDataTest -client host port <runs client and connects to"+
" specified server>");
}
public static void main (String args[]) {
IPSupport.throwSkippedExceptionIfNonOperational();
try {
UrgentDataTest test = new UrgentDataTest ();
if (args.length == 0) {
InetAddress loopback = InetAddress.getLoopbackAddress();
test.listener = new ServerSocket ();
test.listener.bind(new InetSocketAddress(loopback, 0));
test.isClient = true;
test.isServer = true;
test.clHost = loopback.getHostAddress();
test.clPort = test.listener.getLocalPort();
test.run();
} else if (args[0].equals ("-server")) {
test.listener = new ServerSocket (0);
System.out.println ("Server listening on port " + test.listener.getLocalPort());
test.isClient = false;
test.isServer = true;
test.run();
System.out.println ("Server: Completed OK");
} else if (args[0].equals ("-client")) {
test.isClient = true;
test.isServer = false;
test.clHost = args [1];
test.clPort = Integer.parseInt (args[2]);
test.run();
System.out.println ("Client: Completed OK");
} else {
usage ();
}
}
catch (ArrayIndexOutOfBoundsException e) {
usage();
}
catch (NumberFormatException e) {
usage();
}
catch (Exception e) {
e.printStackTrace ();
throw new RuntimeException ("Exception caught");
}
}
public void run () throws Exception {
try {
if (isClient) {
client = new Socket (clHost, clPort);
clis = client.getInputStream();
clos = client.getOutputStream();
client.setOOBInline (true);
if (client.getOOBInline() != true) {
throw new RuntimeException ("Setting OOBINLINE failed");
}
}
if (isServer) {
server = listener.accept ();
sis = server.getInputStream();
sos = server.getOutputStream();
}
if (isClient) {
clos.write ("Hello".getBytes ());
client.sendUrgentData (100);
clos.write ("world".getBytes ());
}
// read Hello world from server (during which oob byte must have been dropped)
String s = "Helloworld";
if (isServer) {
for (int y=0; y<s.length(); y++) {
int c = sis.read ();
if (c != (int)s.charAt (y)) {
throw new RuntimeException ("Unexpected character read");
}
}
// Do the same from server to client
sos.write ("Hello".getBytes ());
server.sendUrgentData (101);
sos.write ("World".getBytes ());
}
if (isClient) {
// read Hello world from client (during which oob byte must have been read)
s="Hello";
for (int y=0; y<s.length(); y++) {
int c = clis.read ();
if (c != (int)s.charAt (y)) {
throw new RuntimeException ("Unexpected character read");
}
}
if (clis.read() != 101) {
throw new RuntimeException ("OOB byte not received");
}
s="World";
for (int y=0; y<s.length(); y++) {
int c = clis.read ();
if (c != (int)s.charAt (y)) {
throw new RuntimeException ("Unexpected character read");
}
}
}
} finally {
if (listener != null) listener.close();
if (client != null) client.close ();
if (server != null) server.close ();
}
}
}