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/sun/net/www/http/ChunkedInputStream/ChunkedEncodingTest.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2004, 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 4333920
+ * @modules jdk.httpserver
+ * @library /test/lib
+ * @run main ChunkedEncodingTest
+ * @summary ChunkedEncodingTest unit test
+ */
+
+import java.io.*;
+import java.net.*;
+import java.security.*;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpExchange;
+import static java.lang.System.out;
+import jdk.test.lib.net.URIBuilder;
+
+public class ChunkedEncodingTest{
+    private static MessageDigest serverDigest, clientDigest;
+    private static volatile byte[] serverMac, clientMac;
+
+    static void client(String u) throws Exception {
+        URL url = new URL(u);
+        out.println("client opening connection to: " + u);
+        URLConnection urlc = url.openConnection();
+        DigestInputStream dis =
+                new DigestInputStream(urlc.getInputStream(), clientDigest);
+        while (dis.read() != -1);
+        clientMac = dis.getMessageDigest().digest();
+        dis.close();
+    }
+
+    public static void test() {
+        HttpServer server = null;
+        try {
+            serverDigest = MessageDigest.getInstance("MD5");
+            clientDigest = MessageDigest.getInstance("MD5");
+            server = startHttpServer();
+
+            int port = server.getAddress().getPort();
+            out.println ("Server listening on port: " + port);
+            String url = URIBuilder.newBuilder()
+                .scheme("http")
+                .host(server.getAddress().getAddress())
+                .port(port)
+                .path("/chunked/")
+                .build().toString();
+            client(url);
+
+            if (!MessageDigest.isEqual(clientMac, serverMac)) {
+                throw new RuntimeException(
+                 "Data received is NOT equal to the data sent");
+            }
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        } finally {
+            if (server != null)
+                server.stop(0);
+        }
+    }
+
+    public static void main(String[] args) {
+        test();
+    }
+
+    /**
+     * Http Server
+     */
+    static HttpServer startHttpServer() throws IOException {
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        HttpServer httpServer = HttpServer.create(new InetSocketAddress(loopback, 0), 0);
+        HttpHandler httpHandler = new SimpleHandler();
+        httpServer.createContext("/chunked/", httpHandler);
+        httpServer.start();
+        return httpServer;
+    }
+
+    static class SimpleHandler implements HttpHandler {
+        static byte[] baMessage;
+        final static int CHUNK_SIZE = 8 * 1024;
+        final static int MESSAGE_LENGTH = 52 * CHUNK_SIZE;
+
+        static {
+            baMessage = new byte[MESSAGE_LENGTH];
+            for (int i=0; i<MESSAGE_LENGTH; i++)
+                baMessage[i] = (byte)i;
+        }
+
+        @Override
+        public void handle(HttpExchange t) throws IOException {
+            InputStream is = t.getRequestBody();
+            while (is.read() != -1);
+            is.close();
+
+            t.sendResponseHeaders (200, 0);
+            OutputStream os = t.getResponseBody();
+            DigestOutputStream dos = new DigestOutputStream(os, serverDigest);
+
+            int offset = 0;
+            for (int i=0; i<52; i++) {
+                dos.write(baMessage, offset, CHUNK_SIZE);
+                offset += CHUNK_SIZE;
+            }
+            serverMac = serverDigest.digest();
+            os.close();
+            t.close();
+        }
+    }
+}