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/Socket/SetReceiveBufferSize.java

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+/*
+ * 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 4326250
+ * @summary Test Socket.setReceiveBufferSize() throwin IllegalArgumentException
+ *
+ */
+
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.net.ServerSocket;
+
+public class SetReceiveBufferSize {
+    public static void main(String[] args) throws Exception {
+        SetReceiveBufferSize s = new SetReceiveBufferSize();
+    }
+
+    public SetReceiveBufferSize() throws Exception {
+        ServerSocket ss = new ServerSocket();
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        ss.bind(new InetSocketAddress(loopback, 0));
+        Socket s = new Socket(loopback, ss.getLocalPort());
+        Socket accepted = ss.accept();
+        try {
+            s.setReceiveBufferSize(0);
+        } catch (IllegalArgumentException e) {
+            return;
+        } catch (Exception ex) {
+        } finally {
+            ss.close();
+            s.close();
+            accepted.close();
+        }
+        throw new RuntimeException("IllegalArgumentException not thrown!");
+    }
+}