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/java/net/vthread/InterruptHttp.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2020, 2023, 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
+ * @summary Test that HTTP connections can be interrupted
+ * @library /test/lib
+ * @compile InterruptHttp.java
+ * @run main/othervm InterruptHttp
+ */
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import java.net.URL;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.atomic.AtomicReference;
+import jdk.test.lib.net.URIBuilder;
+
+public class InterruptHttp {
+
+    public static void main(String[] args) throws Exception {
+        try (Server server = new Server().start()) {
+            AtomicReference<Exception> exception = new AtomicReference<>();
+
+            // http://host:port/hello
+            URL url = URIBuilder.newBuilder()
+                    .scheme("http")
+                    .loopback()
+                    .port(server.port())
+                    .path("/hello")
+                    .toURL();
+
+            // start thread to connect to server
+            Thread thread = Thread.ofVirtual().start(() -> {
+                try {
+                    try (InputStream in = url.openStream()) { }
+                } catch (Exception e) {
+                    exception.set(e);
+                }
+            });
+
+            // give time for thread to block waiting for HTTP server
+            while (server.connectionCount() == 0) {
+                Thread.sleep(100);
+            }
+            thread.interrupt();
+            thread.join();
+
+            // HTTP request should fail with a SocketException
+            Exception e = exception.get();
+            if (!(e instanceof SocketException))
+                throw new RuntimeException("Expected SocketException, got: " + e);
+
+            // server should have accepted one connection
+            if (server.connectionCount() != 1)
+                throw new RuntimeException("Expected 1 HTTP connection");
+        }
+    }
+
+    /**
+     * Simple server that accepts connections but does not reply.
+     */
+    static class Server implements Closeable {
+        private final ServerSocket listener;
+        private final List<Socket> connections = new CopyOnWriteArrayList<>();
+
+        Server() throws IOException {
+            InetAddress lb = InetAddress.getLoopbackAddress();
+            listener = new ServerSocket(0, -1, lb);
+        }
+
+        Server start() {
+            Thread.ofVirtual().start(this::run);
+            return this;
+        }
+
+        private void run() {
+            try {
+                while (true) {
+                    Socket s = listener.accept();
+                    connections.add(s);
+                }
+            } catch (Exception e) {
+                if (!listener.isClosed()) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        int connectionCount() {
+            return connections.size();
+        }
+
+        int port() {
+            return listener.getLocalPort();
+        }
+
+        @Override
+        public void close() throws IOException {
+            connections.forEach(s -> {
+                try { s.close(); } catch (Exception ignore) { }
+            });
+            listener.close();
+        }
+    }
+}