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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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102
test/jdk/sun/nio/cs/TestISO2022JPSubBytes.java Normal file
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/*
* Copyright (c) 2008, 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 4262894 6233303
* @summary Testing substitute character Escape sequence
* @modules jdk.charsets
*/
import java.nio.*;
import java.nio.charset.*;
public class TestISO2022JPSubBytes {
/* \U2460 is not valid character in ISO2022JP and will be substituted
* with replacement character. If the replacement character is not the
* "current charset" character, correct escape sequence should be output
* for changing character set.
*/
static char[][] in = { {'\u25cb', '\u2460', '\u25cb'},
{'\u0061', '\u2460', '\u0061'},
{'\u25cb', '\u2460', '\u25cb'},
{'\u0061', '\u2460', '\u0061'},
};
static byte[][] expected = { {0x1b, 0x24, 0x42, 0x21, 0x7b,
0x21, 0x29,
0x21, 0x7b,
0x1b, 0x28, 0x42},
{0x61,
0x1b, 0x24, 0x42, 0x21, 0x29,
0x1b, 0x28, 0x42, 0x61},
{0x1b, 0x24, 0x42, 0x21, 0x7b,
0x1b, 0x28, 0x42, 0x3f,
0x1b, 0x24, 0x42, 0x21, 0x7b,
0x1b, 0x28, 0x42},
{0x61,
0x3f,
0x61}
};
public static void main(String args[]) throws Exception {
CharsetEncoder enc = Charset.forName("ISO2022JP")
.newEncoder()
.onUnmappableCharacter(CodingErrorAction.REPLACE);
test(enc, in[0], expected[0]);
enc.reset();
test(enc, in[1], expected[1]);
enc.reset();
enc.replaceWith(new byte[]{(byte)'?'});
test(enc, in[2], expected[2]);
enc.reset();
test(enc, in[3], expected[3]);
}
public static void test (CharsetEncoder enc,
char[] inputChars,
byte[] expectedBytes) throws Exception
{
ByteBuffer bb = ByteBuffer.allocate(expectedBytes.length);
enc.encode(CharBuffer.wrap(inputChars), bb, true);
enc.flush(bb);
bb.flip();
byte[] outputBuff = bb.array();
int outputLen = bb.limit();
if (outputLen != expectedBytes.length) {
throw new Exception("Output bytes does not match");
}
for (int i = 0; i < outputLen; ++i) {
System.out.printf("<%x:%x> ",
expectedBytes[i] & 0xff,
outputBuff[i] & 0xff);
if (expectedBytes[i] != outputBuff[i]) {
System.out.println("...");
throw new Exception("Output bytes does not match");
}
}
System.out.println();
}
}