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/SocketChannel/Basic.java
+++ b/test/jdk/java/nio/channels/SocketChannel/Basic.java
@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2000, 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
+ * @summary Unit test for socket channels
+ * @library .. /test/lib
+ * @build jdk.test.lib.Utils TestServers
+ * @run main Basic
+ */
+
+import java.net.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.nio.charset.*;
+
+
+public class Basic {
+
+    static java.io.PrintStream out = System.out;
+
+    static void test(TestServers.DayTimeServer daytimeServer) throws Exception {
+        InetSocketAddress isa
+            = new InetSocketAddress(daytimeServer.getAddress(),
+                                    daytimeServer.getPort());
+        SocketChannel sc = SocketChannel.open(isa);
+        out.println("opened: " + sc);
+        /*
+        out.println("opts:   " + sc.options());
+        ((SocketOpts.IP.TCP)sc.options())
+            .noDelay(true)
+            .typeOfService(SocketOpts.IP.TOS_THROUGHPUT)
+            .broadcast(true)
+            .keepAlive(true)
+            .linger(42)
+            .outOfBandInline(true)
+            .receiveBufferSize(128)
+            .sendBufferSize(128)
+            .reuseAddress(true);
+        out.println("        " + sc.options());
+        */
+        // sc.connect(isa);
+        out.println("connected: " + sc);
+        ByteBuffer bb = ByteBuffer.allocateDirect(100);
+        int n = sc.read(bb);
+        bb.position(bb.position() - 2);         // Drop CRLF
+        bb.flip();
+        CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb);
+        out.println(isa + " says: \"" + cb + "\"");
+        sc.socket().shutdownInput();
+        out.println("ishut: " + sc);
+        sc.socket().shutdownOutput();
+        out.println("oshut: " + sc);
+        sc.close();
+        out.println("closed: " + sc);
+    }
+
+    public static void main(String[] args) throws Exception {
+        try (TestServers.DayTimeServer dayTimeServer
+                = TestServers.DayTimeServer.startNewServer(100)) {
+            test(dayTimeServer);
+        }
+    }
+
+}