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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/lang/System/MacEncoding/TestFileEncoding.java Normal file
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/*
* Copyright (c) 2013, 2021, 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.
*/
import java.util.*;
/*
* @test
* @bug 8011194 8260265
* @summary Test value of file.encoding for corresponding value of LANG, etc
* @library ../../../../tools/launcher/ ../
* @modules jdk.compiler
* @build TestHelper TestFileEncoding ExpectedEncoding
* @run main TestFileEncoding UTF-8
* @run main/othervm -Dfile.encoding=MyEncoding -DuserEncoding=MyEncoding TestFileEncoding MyEncoding
* @run main/othervm -DuserEncoding=COMPAT TestFileEncoding UTF-8
* @run main TestFileEncoding UTF-8 en_US.UTF-8
* @run main/othervm -Dfile.encoding=MyEncoding -DuserEncoding=MyEncoding TestFileEncoding MyEncoding en_US.UTF-8
* @run main/othervm -DuserEncoding=COMPAT TestFileEncoding UTF-8 en_US.UTF-8
* @run main TestFileEncoding UTF-8 C
* @run main/othervm -Dfile.encoding=MyEncoding -DuserEncoding=MyEncoding TestFileEncoding MyEncoding C
* @run main/othervm -DuserEncoding=COMPAT TestFileEncoding US-ASCII C
* @author Brent Christian
*/
/**
* Setup the environment and run a sub-test to check the expected value of
* file.encoding, based on the value(s) of encoding-related environment vars
* (LANG, LC_ALL, LC_CTYPE).
*
* The first argument (required) is the expected value of the
* file.encoding System property.
* The second argument (optional) is the value to set to the LANG/etc env vars.
*/
public class TestFileEncoding {
private static final String TEST_NAME = "ExpectedEncoding";
private String expectedEncoding; // Expected value for file.encoding
private String langVar = null; // Value to set for LANG, etc
private static Set<String> envToRm = HashSet.newHashSet(3);
static {
// Take these vars out of the test's run environment, possibly adding
// our own value back in.
envToRm.add("LANG");
envToRm.add("LC_ALL");
envToRm.add("LC_CTYPE");
}
public TestFileEncoding(String expectedEncoding) {
this.expectedEncoding = expectedEncoding;
}
public TestFileEncoding(String expectedEncoding, String langVar) {
this.expectedEncoding = expectedEncoding;
this.langVar = langVar;
}
/*
* Launch ExpectedEncoding with the given parameters, check for the
* expected file.encoding.
*/
private void run() {
String testClasses = System.getProperty("test.classes");
// Pick up VM opts
String vmOptsStr = System.getProperty("test.vm.opts");
System.out.println("test.vm.opts: " + vmOptsStr);
String[] vmOpts = new String[0];
if (vmOptsStr != null && !"".equals(vmOptsStr)) {
vmOpts = vmOptsStr.split(" ");
System.out.println("found vm options:");
for (String opt : vmOpts) {
System.out.println(" <" + opt + ">");
}
}
// Build java cmd
LinkedList<String> cmdList = new LinkedList<>();
cmdList.add(TestHelper.javaCmd);
for (String vmOpt : vmOpts) {
if (vmOpt != null && !vmOpt.equals("")) {
cmdList.add(vmOpt);
}
}
// See if the user specified a file.encoding that we should pass through
String userEncoding = System.getProperty("userEncoding");
if (userEncoding != null) {
cmdList.add("-Dfile.encoding="+userEncoding);
}
cmdList.add("-cp");
cmdList.add(testClasses);
cmdList.add(TEST_NAME);
cmdList.add(expectedEncoding);
cmdList.add("skip"); // ignore sun.jnu.encoding for this test
String cmdArray[] = new String[cmdList.size()];
cmdList.toArray(cmdArray);
// Run the test(s)
if (langVar == null) {
System.out.println("TestFileEncoding: Running with no envvars set");
TestHelper.TestResult tr = TestHelper.doExec(null, envToRm,
cmdArray);
checkResult(tr);
} else {
runWithEnvVar("LANG", cmdArray);
runWithEnvVar("LC_ALL", cmdArray);
runWithEnvVar("LC_CTYPE", cmdArray);
}
}
/*
* Run the test, setting the environment named by envVarName to the value
* in langVar.
*/
private void runWithEnvVar(String envVarName, String[] cmdArray) {
Map<String, String> envToAdd = new HashMap<>(1);
TestHelper.TestResult tr = null;
System.out.println("TestFileEncoding: Running with " + envVarName + "=" + langVar);
envToAdd.put(envVarName, langVar);
tr = TestHelper.doExec(envToAdd, envToRm, cmdArray);
checkResult(tr);
}
private void checkResult(TestHelper.TestResult tr) {
System.out.println(tr);
if (!tr.isOK()) {
throw new RuntimeException("TEST FAILED: !tr.isOK()");
}
}
public static void main(String[] args) {
TestFileEncoding cfe = null;
if (!TestHelper.isMacOSX) {
System.out.println("Test is currently only for Mac OS X - pass.");
return;
}
if (args.length == 1) {
cfe = new TestFileEncoding(args[0]);
} else if (args.length == 2) {
cfe = new TestFileEncoding(args[0], args[1]);
} else {
System.out.println("Usage: TestFileEncoding <expected file.encoding>");
System.out.println(" TestFileEncoding <expected file.encoding> <value for LANG/etc env var>");
return;
}
cfe.run();
}
}