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/io/File/Unicode.java
+++ b/test/jdk/java/io/File/Unicode.java
@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2004, 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 5016938
+ * @summary Test file operations with Unicode filenames
+ * @author Martin Buchholz
+ */
+
+import java.io.*;
+
+public class Unicode
+{
+    static int fail = 0;
+    static void fail(String msg) {
+        fail++;
+        System.err.println(msg);
+    }
+
+    static boolean creat(File f) throws Exception {
+        try {
+            FileOutputStream out = new FileOutputStream(f);
+            out.write(new byte[]{'a', 'b', 'c'});
+            out.close();
+            // Check that the file we tried to create has the expected name
+            return find(f);
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    static boolean find(File f) throws Exception {
+        String fn = f.getPath();
+        String[] fns = new File(".").list();
+        for (int i = 0; i < fns.length; i++)
+            if (fns[i].equals(fn))
+                return true;
+        return false;
+    }
+
+    static void sanityCheck(File f) throws Exception {
+        if (! f.exists())      fail("! f.exists()");
+        if (  f.length() != 3) fail("  f.length() != 3");
+        if (  f.isAbsolute())  fail("  f.isAbsolute()");
+        if (! f.canRead())     fail("! f.canRead()");
+        if (! f.canWrite())    fail("! f.canWrite()");
+        if (  f.isHidden())    fail("  f.isHidden()");
+        if (! f.isFile())      fail("! f.isFile()");
+        if (  f.isDirectory()) fail("  f.isDirectory()");
+    }
+
+    public static void main(String [] args) throws Exception {
+        final File f1 = new File("\u0411.tst");
+        final File f2 = new File("\u0412.tst");
+
+        try {
+            if (! creat(f1))
+                // Couldn't create file with Unicode filename?
+                return;
+
+            System.out.println("This system supports Unicode filenames!");
+            sanityCheck(f1);
+
+            f1.renameTo(f2);
+            sanityCheck(f2);
+            if (! f2.delete()) fail("! f2.delete()");
+            if (  f2.exists()) fail("  f2.exists()");
+            if (  f1.exists()) fail("  f1.exists()");
+            if (  f1.delete()) fail("  f1.delete()");
+
+            if (fail != 0) throw new Exception(fail + " failures");
+        } finally {
+            f1.delete();
+            f2.delete();
+        }
+    }
+}