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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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84
test/jdk/java/util/Currency/CheckDataVersion.java Normal file
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/*
* Copyright (c) 2007, 2025, 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.
*/
/*
Check the consistency between the regression tests and the currency
data in the JRE. This class is used by other test classes.
*/
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.util.Currency;
class CheckDataVersion {
static final String datafile = "ISO4217-list-one.txt";
static final String FILEVERSIONKEY = "FILEVERSION=";
static final String DATAVERSIONKEY = "DATAVERSION=";
static String fileVersion;
static String dataVersion;
static boolean checked = false;
static void check() {
if (!checked) {
try {
FileReader fr = new FileReader(new File(System.getProperty("test.src", "."), datafile));
BufferedReader in = new BufferedReader(fr);
String line;
while ((line = in.readLine()) != null) {
if (line.startsWith(FILEVERSIONKEY)) {
fileVersion = line.substring(FILEVERSIONKEY.length());
}
if (line.startsWith(DATAVERSIONKEY)) {
dataVersion = line.substring(DATAVERSIONKEY.length());
}
if (fileVersion != null && dataVersion != null) {
break;
}
}
InputStream JREdata = Currency.class.getModule().getResourceAsStream("java/util/currency.data");
DataInputStream dis = new DataInputStream(JREdata);
int magic = dis.readInt();
if (magic != 0x43757244) {
throw new RuntimeException("The magic number in the JRE's currency data is incorrect. Expected: 0x43757244, Got: 0x"+magic);
}
int fileVerNumber = dis.readInt();
int dataVerNumber = dis.readInt();
if (Integer.parseInt(fileVersion) != fileVerNumber ||
Integer.parseInt(dataVersion) != dataVerNumber) {
throw new RuntimeException("Test data and JRE's currency data are inconsistent. test: (file: "+fileVersion+" data: "+dataVersion+"), JRE: (file: "+fileVerNumber+" data: "+dataVerNumber+")");
}
System.out.println("test: (file: "+fileVersion+" data: "+dataVersion+"), JRE: (file: "+fileVerNumber+" data: "+dataVerNumber+")");
} catch (IOException ioe) {
throw new RuntimeException(
"currency.data was not retrieved properly", ioe);
}
checked = true;
}
}
}