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/net/URLEncoder/URLEncodeDecode.java
+++ b/test/jdk/java/net/URLEncoder/URLEncodeDecode.java
@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2000, 2001, 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 4257115
+ * @summary Test URL encoder and decoder on a string that contains
+ * characters within and beyond the 8859-1 range.
+ *
+ */
+
+import java.io.*;
+import java.net.*;
+
+public class URLEncodeDecode {
+
+    static char chars[] = {'H', 'e', 'l', 'l', 'o',
+                           ' ', '+', '%',
+                           '-', '_', '.',       '!', '~', '*', '\'', '(',
+                           ')',
+                           '@',
+                           '\u00ae', '\u0101', '\u10a0'};
+
+    static String str = new String(chars);
+
+    static String correctEncodedUTF8 =
+        "Hello+%2B%25-_.%21%7E*%27%28%29%40%C2%AE%C4%81%E1%82%A0";
+
+    public static void main(String[] args) throws Exception {
+
+        System.out.println("Constructed the string: " + str);
+        System.out.println("The Unicode bytes are: " +
+                           getHexBytes(str));
+        System.out.println("");
+        test("UTF-8", correctEncodedUTF8);
+    }
+
+    private static void test(String enc, String correctEncoded)
+        throws Exception{
+
+        String encoded = null;
+        String outStr = null;
+
+        if (enc == null) {
+            encoded = URLEncoder.encode(str);
+            outStr = "default";
+        }
+        else {
+            encoded = URLEncoder.encode(str, enc);
+            outStr = enc;
+        }
+
+        System.out.println("URLEncode it ("
+                           + outStr + ") : " + encoded);
+        System.out.println("The Unicode bytes are: " +
+                           getHexBytes(encoded));
+
+        if (encoded.equals(correctEncoded))
+            System.out.println("The encoding is correct!");
+        else {
+            throw new Exception("The encoding is incorrect!" +
+                                " It should be " + correctEncoded);
+        }
+        System.out.println("");
+
+        String decoded = null;
+
+        if (enc == null)
+            decoded = URLDecoder.decode(encoded);
+        else
+            decoded = URLDecoder.decode(encoded, enc);
+
+        System.out.println("URLDecode it ("
+                           + outStr + ") : " + decoded);
+        System.out.println("The Unicode bytes are: " +
+                           getHexBytes(decoded));
+
+        if (str.equals(decoded))
+            System.out.println("The decoding is correct");
+        else {
+            throw new Exception("The decoded is not equal to the original");
+        }
+
+    }
+
+    private static String getHexBytes(String s) throws Exception {
+        StringBuffer sb = new StringBuffer();
+        for (int i = 0; i < s.length(); i++) {
+
+            int a = s.charAt(i);
+            int b1 = (a >>8) & 0xff;
+            int b2 = (byte)a;
+            int b11 = (b1>>4) & 0x0f;
+            int b12 = b1 & 0x0f;
+            int b21 = (b2 >>4) & 0x0f;
+            int b22 = b2 & 0x0f;
+
+            sb.append(Integer.toHexString(b11));
+            sb.append(Integer.toHexString(b12));
+            sb.append(Integer.toHexString(b21));
+            sb.append(Integer.toHexString(b22));
+            sb.append(' ');
+        }
+        return sb.toString();
+    }
+
+}