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/nio/channels/ServerSocketChannel/SocketOptionTests.java
+++ b/test/jdk/java/nio/channels/ServerSocketChannel/SocketOptionTests.java
@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2007, 2018, 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 4640544 8044773
+ * @summary Unit test for ServerSocketChannel setOption/getOption/options
+ *          methods.
+ * @modules jdk.net
+ * @requires !vm.graal.enabled
+ * @run main SocketOptionTests
+ * @run main/othervm --limit-modules=java.base SocketOptionTests
+ */
+
+import java.nio.channels.*;
+import java.net.*;
+import java.io.IOException;
+import java.util.*;
+import static java.net.StandardSocketOptions.*;
+import static jdk.net.ExtendedSocketOptions.*;
+
+public class SocketOptionTests {
+
+    private static final int DEFAULT_KEEP_ALIVE_PROBES = 7;
+    private static final int DEFAULT_KEEP_ALIVE_TIME = 1973;
+    private static final int DEFAULT_KEEP_ALIVE_INTVL = 53;
+
+    static void checkOption(ServerSocketChannel ssc, SocketOption name, Object expectedValue)
+        throws IOException
+    {
+        Object value = ssc.getOption(name);
+        if (!value.equals(expectedValue))
+            throw new RuntimeException("value not as expected");
+    }
+
+    public static void main(String[] args) throws IOException {
+        ServerSocketChannel ssc = ServerSocketChannel.open();
+
+        // check supported options
+        Set<SocketOption<?>> options = ssc.supportedOptions();
+        boolean reuseport = options.contains(SO_REUSEPORT);
+        if (!options.contains(SO_REUSEADDR))
+            throw new RuntimeException("SO_REUSEADDR should be supported");
+        if (!options.contains(SO_REUSEPORT) && reuseport)
+            throw new RuntimeException("SO_REUSEPORT should be supported");
+        if (!options.contains(SO_RCVBUF))
+            throw new RuntimeException("SO_RCVBUF should be supported");
+
+        // allowed to change when not bound
+        ssc.setOption(SO_RCVBUF, 256*1024);     // can't check
+        int before = ssc.getOption(SO_RCVBUF);
+        int after = ssc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF);
+        if (after < before)
+            throw new RuntimeException("setOption caused SO_RCVBUF to decrease");
+        ssc.setOption(SO_REUSEADDR, true);
+        checkOption(ssc, SO_REUSEADDR, true);
+        ssc.setOption(SO_REUSEADDR, false);
+        checkOption(ssc, SO_REUSEADDR, false);
+        if (reuseport) {
+            ssc.setOption(SO_REUSEPORT, true);
+            checkOption(ssc, SO_REUSEPORT, true);
+            ssc.setOption(SO_REUSEPORT, false);
+            checkOption(ssc, SO_REUSEPORT, false);
+        }
+        if (ssc.supportedOptions().containsAll(List.of(TCP_KEEPCOUNT,
+                TCP_KEEPIDLE, TCP_KEEPINTERVAL))) {
+            ssc.setOption(TCP_KEEPCOUNT, DEFAULT_KEEP_ALIVE_PROBES);
+            checkOption(ssc, TCP_KEEPCOUNT, DEFAULT_KEEP_ALIVE_PROBES);
+            ssc.setOption(TCP_KEEPIDLE, DEFAULT_KEEP_ALIVE_TIME);
+            checkOption(ssc, TCP_KEEPIDLE, DEFAULT_KEEP_ALIVE_TIME);
+            ssc.setOption(TCP_KEEPINTERVAL, DEFAULT_KEEP_ALIVE_INTVL);
+            checkOption(ssc, TCP_KEEPINTERVAL, DEFAULT_KEEP_ALIVE_INTVL);
+
+        }
+
+        // NullPointerException
+        try {
+            ssc.setOption(null, "value");
+            throw new RuntimeException("NullPointerException not thrown");
+        } catch (NullPointerException x) {
+        }
+        try {
+            ssc.getOption(null);
+            throw new RuntimeException("NullPointerException not thrown");
+        } catch (NullPointerException x) {
+        }
+
+        // ClosedChannelException
+        ssc.close();
+        try {
+            ssc.setOption(SO_REUSEADDR, true);
+            throw new RuntimeException("ClosedChannelException not thrown");
+        } catch (ClosedChannelException x) {
+        }
+    }
+}