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/io/File/SetReadOnly.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 1998, 2012, 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 4091757 4939819 6728842
+   @summary Basic test for setReadOnly method
+   @build SetReadOnly Util
+   @run main SetReadOnly
+ */
+
+import java.io.*;
+
+
+public class SetReadOnly {
+
+    public static void main(String[] args) throws Exception {
+        if (Util.isPrivileged()) {
+            System.out.println("Unable to test file permissions when running with privileges");
+            return;
+        }
+
+        File d = new File(System.getProperty("test.dir", "."));
+        File f = new File(d, "x.SetReadOnly");
+
+        if (f.exists()) {
+            if (!f.delete())
+                throw new Exception("Can't delete test file " + f);
+        }
+        if (f.setReadOnly())
+            throw new Exception("Succeeded on non-existent file: " + f);
+
+        OutputStream o = new FileOutputStream(f);
+        o.write('x');
+        o.close();
+        if (!f.setReadOnly())
+            throw new Exception(f + ": Failed on file");
+        if (f.canWrite())
+            throw new Exception(f + ": File is writeable");
+
+        f = new File(d, "x.SetReadOnly.dir");
+        if (f.exists()) {
+            if (!f.delete())
+                throw new Exception("Can't delete test directory " + f);
+        }
+        if (!f.mkdir())
+            throw new Exception(f + ": Cannot create directory");
+        if (f.setReadOnly() && f.canWrite())
+            throw new Exception(f + ": Directory is writeable");
+        if (!f.delete())
+            throw new Exception(f + ": Cannot delete directory");
+
+    }
+
+}