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.

test/jdk/com/sun/net/httpserver/bugs/B6529200.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2007, 2025, 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 6529200
+ * @run main/othervm B6529200
+ * @run main/othervm -Djava.net.preferIPv6Addresses=true B6529200
+ * @summary  lightweight http server does not work with http1.0 clients
+ */
+
+import com.sun.net.httpserver.*;
+
+import java.util.concurrent.*;
+import java.io.*;
+import java.net.*;
+import static com.sun.net.httpserver.HttpExchange.RSPBODY_CHUNKED;
+
+public class B6529200 {
+
+    public static void main (String[] args) throws Exception {
+        Handler handler = new Handler();
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        InetSocketAddress addr = new InetSocketAddress (loopback, 0);
+        HttpServer server = HttpServer.create (addr, 0);
+        HttpContext ctx = server.createContext ("/test", handler);
+
+        ExecutorService executor = Executors.newCachedThreadPool();
+        server.setExecutor (executor);
+        server.start ();
+
+        /* test 1: keep-alive */
+
+        Socket sock = new Socket (loopback, server.getAddress().getPort());
+        OutputStream os = sock.getOutputStream();
+        System.out.println ("GET /test/foo HTTP/1.0\r\nConnection: keep-alive\r\n\r\n");
+        os.write ("GET /test/foo HTTP/1.0\r\nConnection: keep-alive\r\n\r\n".getBytes());
+        os.flush();
+        InputStream is = sock.getInputStream();
+        StringBuffer s = new StringBuffer();
+        boolean finished = false;
+
+        sock.setSoTimeout (10 * 1000);
+        try {
+            while (!finished) {
+                char c = (char) is.read();
+                s.append (c);
+                finished = s.indexOf ("\r\n\r\nhello") != -1;
+                /* test will timeout otherwise */
+            }
+        } catch (SocketTimeoutException e) {
+            server.stop(0);
+            executor.shutdown ();
+            throw new RuntimeException ("Test failed in test1");
+        }
+
+        System.out.println (new String (s));
+
+        /* test 2: even though we request keep-alive, server must close
+         * because it is sending unknown content length response */
+
+        System.out.println("GET /test/foo HTTP/1.0\r\nConnection: keep-alive\r\n\r\n");
+        os.write ("GET /test/foo HTTP/1.0\r\nConnection: keep-alive\r\n\r\n".getBytes());
+        os.flush();
+        int i=0,c;
+        byte [] buf = new byte [8*1024];
+        try {
+            while ((c=is.read()) != -1) {
+                buf[i++] = (byte)c;
+            }
+        } catch (SocketTimeoutException e) {
+            server.stop(0);
+            executor.shutdown ();
+            throw new RuntimeException ("Test failed in test2");
+        }
+
+        String ss = new String (buf, "ISO-8859-1");
+        if (ss.indexOf ("\r\n\r\nhello world") == -1) {
+            server.stop(0);
+            executor.shutdown ();
+            throw new RuntimeException ("Test failed in test2: wrong string");
+        }
+        System.out.println (ss);
+        is.close ();
+        server.stop(0);
+        executor.shutdown();
+    }
+
+
+    static class Handler implements HttpHandler {
+        int invocation = 1;
+        public void handle (HttpExchange t)
+            throws IOException
+        {
+            InputStream is;
+            OutputStream os;
+            switch (invocation++) {
+              case 1:
+                is = t.getRequestBody();
+                while (is.read() != -1) ;
+                is.close();
+                t.sendResponseHeaders (200, "hello".length());
+                os = t.getResponseBody();
+                os.write ("hello".getBytes());
+                os.close();
+                break;
+              case 2:
+                is = t.getRequestBody();
+                while (is.read() != -1) ;
+                is.close();
+                t.sendResponseHeaders (200, RSPBODY_CHUNKED);
+                os = t.getResponseBody();
+                os.write ("hello world".getBytes());
+                os.close();
+                break;
+            }
+        }
+    }
+}