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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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156
test/jdk/java/lang/ClassLoader/getResource/GetResource.java Normal file
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/*
* Copyright (c) 2014, 2023, 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 6760902
* @library /test/lib
* @build jdk.test.lib.process.ProcessTools
* @run testng GetResource
* @summary Empty path on bootclasspath is not default to current working
* directory for both class lookup and resource lookup whereas
* empty path on classpath is default to current working directory.
*/
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static jdk.test.lib.process.ProcessTools.*;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class GetResource {
private static final Path CWD = Paths.get(System.getProperty("user.dir"));
private static final String DIR_A = "a";
private static final String DIR_B = "b";
private static final String RESOURCE_NAME = "test.properties";
private static final String GETRESOURCE_CLASS = "GetResource.class";
public static void main(String... args) {
String expect = args[0] + "/" + RESOURCE_NAME;
URL url = GetResource.class.getResource(RESOURCE_NAME);
System.out.println("getResource found: " + url);
if (!url.toString().endsWith(expect)) {
throw new RuntimeException(url + " != expected resource " + expect);
}
url = ClassLoader.getSystemResource(RESOURCE_NAME);
System.out.println("getSystemResource found: " + url);
if (!url.toString().endsWith(expect)) {
throw new RuntimeException(url + " != expected resource " + expect);
}
}
@BeforeTest
public void setup() throws IOException {
// setup two directories "a" and "b"
// each directory contains both test.properties and this test class
Path testSrc = Paths.get(System.getProperty("test.src"));
Path testClasses = Paths.get(System.getProperty("test.classes"));
Files.createDirectories(Paths.get(DIR_A));
Files.createDirectories(Paths.get(DIR_B));
Files.copy(testSrc.resolve(RESOURCE_NAME),
Paths.get(DIR_A, RESOURCE_NAME));
Files.copy(testSrc.resolve(RESOURCE_NAME),
Paths.get(DIR_B, RESOURCE_NAME));
Files.copy(testClasses.resolve(GETRESOURCE_CLASS),
Paths.get(DIR_A, GETRESOURCE_CLASS));
Files.copy(testClasses.resolve(GETRESOURCE_CLASS),
Paths.get(DIR_B, GETRESOURCE_CLASS));
}
private String concat(String... dirs) {
return Stream.of(dirs).collect(Collectors.joining(File.pathSeparator));
}
@DataProvider
public Object[][] options() {
return new Object[][] {
new Object[] { List.of("-Xbootclasspath/a:a"), "a"},
new Object[] { List.of("-Xbootclasspath/a:b"), "b"},
new Object[] { List.of("-Xbootclasspath/a:" + concat("a", "b")), "a"},
new Object[] { List.of("-Xbootclasspath/a:" + concat("b", "a")), "b"},
new Object[] { List.of("-cp", "a"), "a"},
new Object[] { List.of("-cp", "b"), "b"},
new Object[] { List.of("-cp", concat("a", "b")), "a"},
new Object[] { List.of("-cp", concat("b", "a")), "b"},
};
}
@Test(dataProvider = "options")
public void test(List<String> options, String expected) throws Throwable {
runTest(CWD, options, expected);
}
@DataProvider
public Object[][] dirA() {
String dirB = ".." + File.separator + "b";
return new Object[][] {
new Object[] { List.of("-Xbootclasspath/a:."), "a"},
new Object[] { List.of("-Xbootclasspath/a:" + dirB), "b"},
// empty path in first element
new Object[] { List.of("-Xbootclasspath/a:" + File.pathSeparator + dirB), "b"},
new Object[] { List.of("-cp", File.pathSeparator), "a"},
new Object[] { List.of("-cp", dirB), "b"},
new Object[] { List.of("-cp", File.pathSeparator + dirB), "a"},
};
}
@Test(dataProvider = "dirA")
public void testCurrentDirA(List<String> options, String expected) throws Throwable {
// current working directory is "a"
runTest(CWD.resolve(DIR_A), options, expected);
}
private void runTest(Path dir, List<String> options, String expected)
throws Throwable
{
List<String> cmdLine = new ArrayList<>();
options.forEach(cmdLine::add);
cmdLine.add("GetResource");
cmdLine.add(expected);
ProcessBuilder pb = createTestJavaProcessBuilder(cmdLine);
pb.directory(dir.toFile()); // change working directory
pb.environment().remove("CLASSPATH"); // remove CLASSPATH environment variable
executeCommand(pb).shouldHaveExitValue(0);
}
}