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/*
* Copyright (c) 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 8308678
* @requires (os.family == "mac")
* @summary Verify UnixPath::toRealPath falls back if no perms on macOS
* @run junit/othervm -Djava.security.manager=allow MacToRealPathWithSM
*/
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
public class MacToRealPathWithSM {
private static final String POLICY_FILE = "MacToRealPath.policy";
private static Path src;
private static Path path;
@BeforeAll
public static void setup() throws IOException {
String testSrc = System.getProperty("test.src");
String tmpDir = System.getProperty("java.io.tmpdir");
if (testSrc == null || tmpDir == null)
throw new RuntimeException("This test must be run by jtreg");
System.out.printf("testSrc: %s%ntmpDir: %s%n", testSrc, tmpDir);
src = Path.of(testSrc);
Path tmp = Path.of(tmpDir);
path = Files.createTempFile(tmp, "bonjour", ".txt");
path.toFile().deleteOnExit();
// Write to the path
Files.writeString(path, "\nBonjour, tout le monde!\n");
System.out.println(Files.readString(path));
}
@ParameterizedTest
@ValueSource(strings = {"", POLICY_FILE})
@SuppressWarnings("removal")
public void testToRealPath(String policyFile) throws IOException {
// Install security manager with the given policy file
if (!policyFile.isEmpty()) {
System.setProperty("java.security.policy",
src.resolve(policyFile).toString());
System.setSecurityManager(new SecurityManager());
}
// Derive real path. Without the source change for this issue applied,
// if a SecurityManager is used which does not grant read permission
// for traversing "path" down from its root, an AccessContolException
// is thrown by UnixPath::toRealPath
assertDoesNotThrow(() ->
System.out.printf("real path: %s%n", path.toRealPath()),
"UnixPath::toRealPath() failed");
assertDoesNotThrow(() ->
System.out.printf("real path no follow: %s%n",
path.toRealPath(LinkOption.NOFOLLOW_LINKS)),
"UnixPath::toRealPath(LinkOption.NOFOLLOW_LINKS) failed");
}
}
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