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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/net/URLConnection/SetIfModifiedSince.java
+++ b/test/jdk/java/net/URLConnection/SetIfModifiedSince.java
@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2000, 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 4397096
+ * @library /test/lib
+ * @run main/othervm SetIfModifiedSince
+ * @summary setIfModifiedSince() of HttpURLConnection sets invalid date of default locale
+ */
+
+import java.net.*;
+import java.io.*;
+import java.util.*;
+
+import jdk.test.lib.net.URIBuilder;
+
+public class SetIfModifiedSince {
+    static volatile boolean successfulHeaderCheck = false;
+    static final String MARKER = "A-test-name";
+
+    static class XServer extends Thread {
+        ServerSocket srv;
+        Socket s;
+        InputStream is;
+        OutputStream os;
+
+        XServer (ServerSocket s) {
+            srv = s;
+        }
+
+        Socket getSocket () {
+            return (s);
+        }
+
+        public void run() {
+            boolean foundMarker = false;
+            while (!foundMarker) {
+                String x;
+                try {
+                    s = srv.accept();
+                    System.out.println("Server: accepting connection from: " + s);
+                    is = s.getInputStream ();
+                } catch (IOException io) {
+                    System.err.println("Server: Failed to accept connection: " + io);
+                    io.printStackTrace();
+                    try { srv.close(); } catch (IOException ioc) { }
+                    break;
+                }
+                try {
+                    BufferedReader r = new BufferedReader(new InputStreamReader(is));
+                    os = s.getOutputStream ();
+                    boolean foundHeader;
+                    while ((x=r.readLine()) != null) {
+                        String testname = MARKER + ": ";
+                        String header = "If-Modified-Since: ";
+                        if (x.startsWith(header)) {
+                            foundHeader = true;
+                            System.out.println("Server: found header: " + x);
+                            if (x.charAt(header.length()) == '?') {
+                                s.close ();
+                                srv.close (); // or else the HTTPURLConnection will retry
+                                throw new RuntimeException
+                                        ("Invalid HTTP date specification");
+                            }
+                            if (foundMarker) break;
+                        } else if (x.startsWith(testname)) {
+                           foundMarker = true;
+                           System.out.println("Server: found marker: " + x);
+                        }
+                    }
+                    successfulHeaderCheck = true;
+                    s.close ();
+                    // only close server if connected from this test.
+                    if (foundMarker) {
+                        srv.close (); // or else the HTTPURLConnection will retry
+                    }
+                } catch (IOException e) {}
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        Locale reservedLocale = Locale.getDefault();
+        try {
+            Locale.setDefault(Locale.JAPAN);
+            ServerSocket serversocket = new ServerSocket();
+            serversocket.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
+            int port = serversocket.getLocalPort ();
+            XServer server = new XServer (serversocket);
+            server.start ();
+            Thread.sleep (2000);
+            URL url = URIBuilder.newBuilder()
+                    .scheme("http")
+                    .loopback()
+                    .port(port)
+                    .path("/index.html")
+                    .toURLUnchecked();
+            URLConnection urlc = url.openConnection(Proxy.NO_PROXY);
+            urlc.setRequestProperty(MARKER, "SetIfModifiedSince");
+            urlc.setIfModifiedSince (10000000);
+            InputStream is = urlc.getInputStream ();
+            int i = 0, c;
+            Thread.sleep(5000);
+            if (!successfulHeaderCheck) {
+                throw new RuntimeException("Header check was unsuccessful");
+            }
+        } catch (SocketException ce) {
+            if (!successfulHeaderCheck) {
+                throw ce;
+            }
+            System.out.println("ConnectionException expected on successful check of If-modified-since header");
+        } finally {
+            // restore the reserved locale
+            Locale.setDefault(reservedLocale);
+        }
+
+    }
+}