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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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189
test/jdk/java/net/URLConnection/ResendPostBody.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 4361492
* @summary HTTPUrlConnection does not receive binary data correctly
* @library /test/lib
* @run main/timeout=20 ResendPostBody
*/
import java.io.*;
import java.net.*;
import jdk.test.lib.net.URIBuilder;
/*
* This test does the following:
* 1. client opens HTTP connection to server
* 2. client sends POST with a body containing "ZZZ"
* 3. server waits for POST and closes connection without replying
* 4. client should re-open the connection and re-send the POST
* 5. <bug>The client forgets to re-send the body with the POST
* The server hangs waiting for the body</bug>
*
* <bugfixed>The client sends the body. The server reads it and the
* test terminates normally </bugfixed>
*/
public class ResendPostBody {
static class Server extends Thread {
private InputStream in;
private OutputStream out;
private Socket sock;
private StringBuffer response;
private ServerSocket server;
Server(ServerSocket s) throws IOException {
server = s;
}
void waitFor(String s) throws IOException {
byte[] w = s.getBytes();
for (int c = 0; c < w.length; c++) {
byte expected = w[c];
int b = in.read();
if (b == -1) {
acceptConn();
}
if ((byte) b != expected) {
c = 0;
}
}
}
private boolean done = false;
public synchronized boolean finished() {
return done;
}
public synchronized void setFinished(boolean b) throws IOException {
done = b;
this.closeConn();
server.close();
}
void acceptConn() throws IOException {
sock = server.accept();
in = sock.getInputStream();
out = sock.getOutputStream();
}
void closeConn() throws IOException {
in.close();
out.close();
sock.close();
}
public void run() {
try {
response = new StringBuffer(1024);
acceptConn();
waitFor("POST");
waitFor("ZZZ");
Thread.sleep(500);
sock.close();
acceptConn();
waitFor("POST");
waitFor("ZZZ");
response.append("HTTP/1.1 200 OK\r\n");
response.append("Server: Microsoft-IIS/5.0");
response.append("Date: Wed, 26 Jul 2000 14:17:04 GMT\r\n\r\n");
out.write(response.toString().getBytes());
out.flush();
while (!finished()) {
Thread.sleep(1000);
}
} catch (Exception e) {
if (!done) {
System.err.println("Server Exception: " + e);
}
} finally {
try {
closeConn();
} catch (IOException ioe) {
if (!done) {
ioe.printStackTrace();
}
}
}
}
}
private ServerSocket ss;
private Server server;
public static void main(String[] args) throws Exception {
if (args.length == 1 && args[0].equals("-i")) {
System.out.println("Press return when ready");
System.in.read();
System.out.println("Done");
}
ResendPostBody t = new ResendPostBody();
t.execute();
}
public void execute() throws Exception {
byte b[] = "X=ABCDEFGHZZZ".getBytes();
ss = new ServerSocket(0, 0, InetAddress.getLoopbackAddress());
server = new Server(ss);
server.start();
/* Get the URL */
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(ss.getLocalPort())
.path("/test")
.toURL();
HttpURLConnection conURL = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
conURL.setDoOutput(true);
conURL.setDoInput(true);
conURL.setAllowUserInteraction(false);
conURL.setUseCaches(false);
conURL.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conURL.setRequestProperty("Content-Length", "" + b.length);
conURL.setRequestProperty("Connection", "Close");
/* POST some data */
DataOutputStream OutStream = new DataOutputStream(conURL.getOutputStream());
OutStream.write(b, 0, b.length);
OutStream.flush();
OutStream.close();
/* Read the response */
int resp = conURL.getResponseCode();
server.setFinished(true); // Set finished and close ServerSocket
server.join(); // Join server thread
if (resp != 200)
throw new RuntimeException("Response code was not 200: " + resp);
}
}