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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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47
test/jdk/java/nio/file/attribute/AclEntry/EmptySet.java Normal file
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/*
* Copyright (c) 2011, 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 7076310
* @summary Test AclEntry.Builder setFlags and setPermissions with empty sets
*/
import java.nio.file.attribute.*;
import java.util.*;
/*
* Test for bug 7076310 "(file) AclEntry.Builder setFlags throws
* IllegalArgumentException if set argument is empty"
* The bug is only applies when the given Set is NOT an instance of EnumSet.
*
* The setPermissions method also has the same problem.
*/
public class EmptySet {
public static void main(String[] args) {
Set<AclEntryFlag> flags = new HashSet<>();
AclEntry.newBuilder().setFlags(flags);
Set<AclEntryPermission> perms = new HashSet<>();
AclEntry.newBuilder().setPermissions(perms);
}
}

173
test/jdk/java/nio/file/attribute/AclFileAttributeView/Basic.java Normal file
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/*
* Copyright (c) 2008, 2011, 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 4313887 6838333 6891404
* @summary Unit test for java.nio.file.attribute.AclFileAttribueView
* @library ../..
* @key randomness
*/
import java.nio.file.*;
import java.nio.file.attribute.*;
import java.io.IOException;
import java.util.*;
import static java.nio.file.attribute.AclEntryType.*;
import static java.nio.file.attribute.AclEntryPermission.*;
import static java.nio.file.attribute.AclEntryFlag.*;
public class Basic {
static void printAcl(List<AclEntry> acl) {
for (AclEntry entry: acl) {
System.out.format(" %s%n", entry);
}
}
// sanity check read and writing ACL
static void testReadWrite(Path dir) throws IOException {
Path file = dir.resolve("foo");
if (Files.notExists(file))
Files.createFile(file);
AclFileAttributeView view =
Files.getFileAttributeView(file, AclFileAttributeView.class);
// print existing ACL
List<AclEntry> acl = view.getAcl();
System.out.println(" -- current ACL --");
printAcl(acl);
// insert entry to grant owner read access
UserPrincipal owner = view.getOwner();
AclEntry entry = AclEntry.newBuilder()
.setType(ALLOW)
.setPrincipal(owner)
.setPermissions(READ_DATA, READ_ATTRIBUTES)
.build();
System.out.println(" -- insert (entry 0) --");
System.out.format(" %s%n", entry);
acl.add(0, entry);
view.setAcl(acl);
// re-ACL and check entry
List<AclEntry> newacl = view.getAcl();
System.out.println(" -- current ACL --");
printAcl(acl);
if (!newacl.get(0).equals(entry)) {
throw new RuntimeException("Entry 0 is not expected");
}
// if PosixFileAttributeView then repeat test with OWNER@
if (Files.getFileStore(file).supportsFileAttributeView("posix")) {
owner = file.getFileSystem().getUserPrincipalLookupService()
.lookupPrincipalByName("OWNER@");
entry = AclEntry.newBuilder(entry).setPrincipal(owner).build();
System.out.println(" -- replace (entry 0) --");
System.out.format(" %s%n", entry);
acl.set(0, entry);
view.setAcl(acl);
newacl = view.getAcl();
System.out.println(" -- current ACL --");
printAcl(acl);
if (!newacl.get(0).equals(entry)) {
throw new RuntimeException("Entry 0 is not expected");
}
}
}
static FileAttribute<List<AclEntry>> asAclAttribute(final List<AclEntry> acl) {
return new FileAttribute<List<AclEntry>>() {
public String name() { return "acl:acl"; }
public List<AclEntry> value() { return acl; }
};
}
static void assertEquals(List<AclEntry> actual, List<AclEntry> expected) {
if (!actual.equals(expected)) {
System.err.format("Actual: %s\n", actual);
System.err.format("Expected: %s\n", expected);
throw new RuntimeException("ACL not expected");
}
}
// sanity check create a file or directory with initial ACL
static void testCreateFile(Path dir) throws IOException {
UserPrincipal user = Files.getOwner(dir);
AclFileAttributeView view;
// create file with initial ACL
System.out.println("-- create file with initial ACL --");
Path file = dir.resolve("gus");
List<AclEntry> fileAcl = Arrays.asList(
AclEntry.newBuilder()
.setType(AclEntryType.ALLOW)
.setPrincipal(user)
.setPermissions(SYNCHRONIZE, READ_DATA, WRITE_DATA,
READ_ATTRIBUTES, READ_ACL, WRITE_ATTRIBUTES, DELETE)
.build());
Files.createFile(file, asAclAttribute(fileAcl));
view = Files.getFileAttributeView(file, AclFileAttributeView.class);
assertEquals(view.getAcl(), fileAcl);
// create directory with initial ACL
System.out.println("-- create directory with initial ACL --");
Path subdir = dir.resolve("stuff");
List<AclEntry> dirAcl = Arrays.asList(
AclEntry.newBuilder()
.setType(AclEntryType.ALLOW)
.setPrincipal(user)
.setPermissions(SYNCHRONIZE, ADD_FILE, DELETE)
.build(),
AclEntry.newBuilder(fileAcl.get(0))
.setFlags(FILE_INHERIT)
.build());
Files.createDirectory(subdir, asAclAttribute(dirAcl));
view = Files.getFileAttributeView(subdir, AclFileAttributeView.class);
assertEquals(view.getAcl(), dirAcl);
}
public static void main(String[] args) throws IOException {
// use work directory rather than system temporary directory to
// improve chances that ACLs are supported
Path dir = Paths.get("./work" + new Random().nextInt());
Files.createDirectory(dir);
try {
if (!Files.getFileStore(dir).supportsFileAttributeView("acl")) {
System.out.println("ACLs not supported - test skipped!");
return;
}
testReadWrite(dir);
// only currently feasible on Windows
if (System.getProperty("os.name").startsWith("Windows"))
testCreateFile(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}

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test/jdk/java/nio/file/attribute/BasicFileAttributeView/Basic.java Normal file
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/*
* Copyright (c) 2008, 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.
*/
/* @test
* @bug 4313887 6838333 8364277
* @summary Unit test for java.nio.file.attribute.BasicFileAttributeView
* @library ../.. /test/lib
* @build jdk.test.lib.Platform
* jdk.test.lib.util.FileUtils
* @run main/othervm --enable-native-access=ALL-UNNAMED Basic
*/
import java.nio.file.*;
import java.nio.file.attribute.*;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.io.*;
import jdk.test.lib.Platform;
import jdk.test.lib.util.FileUtils;
public class Basic {
static void check(boolean okay, String msg) {
if (!okay)
throw new RuntimeException(msg);
}
static void checkAttributesOfDirectory(Path dir)
throws IOException
{
BasicFileAttributes attrs = Files.readAttributes(dir, BasicFileAttributes.class);
check(attrs.isDirectory(), "is a directory");
check(!attrs.isRegularFile(), "is not a regular file");
check(!attrs.isSymbolicLink(), "is not a link");
check(!attrs.isOther(), "is not other");
// last-modified-time should match java.io.File in seconds
File f = new File(dir.toString());
check(f.lastModified()/1000 == attrs.lastModifiedTime().to(TimeUnit.SECONDS),
"last-modified time should be the same");
}
static void checkAttributesOfFile(Path dir, Path file)
throws IOException
{
BasicFileAttributes attrs = Files.readAttributes(file, BasicFileAttributes.class);
check(attrs.isRegularFile(), "is a regular file");
check(!attrs.isDirectory(), "is not a directory");
check(!attrs.isSymbolicLink(), "is not a link");
check(!attrs.isOther(), "is not other");
// size and last-modified-time should match java.io.File in seconds
File f = new File(file.toString());
check(f.length() == attrs.size(), "size should be the same");
check(f.lastModified()/1000 == attrs.lastModifiedTime().to(TimeUnit.SECONDS),
"last-modified time should be the same");
// copy last-modified time from directory to file,
// re-read attribtues, and check they match
BasicFileAttributeView view =
Files.getFileAttributeView(file, BasicFileAttributeView.class);
BasicFileAttributes dirAttrs = Files.readAttributes(dir, BasicFileAttributes.class);
view.setTimes(dirAttrs.lastModifiedTime(), null, null);
attrs = view.readAttributes();
check(attrs.lastModifiedTime().equals(dirAttrs.lastModifiedTime()),
"last-modified time should be equal");
// security tests
check (!(attrs instanceof PosixFileAttributes),
"should not be able to cast to PosixFileAttributes");
}
static void checkAttributesOfLink(Path link)
throws IOException
{
BasicFileAttributes attrs =
Files.readAttributes(link, BasicFileAttributes.class, LinkOption.NOFOLLOW_LINKS);
check(attrs.isSymbolicLink(), "is a link");
check(!attrs.isDirectory(), "is a directory");
check(!attrs.isRegularFile(), "is not a regular file");
check(!attrs.isOther(), "is not other");
}
static void checkAttributesOfJunction(Path junction)
throws IOException
{
BasicFileAttributes attrs =
Files.readAttributes(junction, BasicFileAttributes.class, LinkOption.NOFOLLOW_LINKS);
check(!attrs.isSymbolicLink(), "is a link");
check(!attrs.isDirectory(), "is a directory");
check(!attrs.isRegularFile(), "is not a regular file");
check(attrs.isOther(), "is other");
}
static void attributeReadWriteTests(Path dir)
throws IOException
{
// create file
Path file = dir.resolve("foo");
try (OutputStream out = Files.newOutputStream(file)) {
out.write("this is not an empty file".getBytes("UTF-8"));
}
// check attributes of directory and file
checkAttributesOfDirectory(dir);
checkAttributesOfFile(dir, file);
// symbolic links may be supported
Path link = dir.resolve("link");
try {
Files.createSymbolicLink(link, file);
checkAttributesOfLink(link);
} catch (IOException | UnsupportedOperationException x) {
if (!Platform.isWindows())
return;
}
// NTFS junctions are Windows-only
if (Platform.isWindows()) {
Path junction = dir.resolve("junction");
FileUtils.createWinDirectoryJunction(junction, dir);
checkAttributesOfJunction(junction);
}
}
public static void main(String[] args) throws IOException {
// create temporary directory to run tests
Path dir = TestUtil.createTemporaryDirectory();
try {
attributeReadWriteTests(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}

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test/jdk/java/nio/file/attribute/BasicFileAttributeView/CreationTime.java Normal file
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/*
* Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024 Alibaba Group Holding Limited. 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 id=tmp
* @bug 8011536 8151430 8316304 8334339
* @summary Basic test for creationTime attribute on platforms/file systems
* that support it, tests using /tmp directory.
* @library ../.. /test/lib /java/foreign
* @build jdk.test.lib.Platform NativeTestHelper
* @run main/othervm/native --enable-native-access=ALL-UNNAMED CreationTime
*/
/* @test id=cwd
* @summary Basic test for creationTime attribute on platforms/file systems
* that support it, tests using the test scratch directory, the test
* scratch directory maybe at diff disk partition to /tmp on linux.
* @library ../.. /test/lib /java/foreign
* @build jdk.test.lib.Platform NativeTestHelper
* @run main/othervm/native --enable-native-access=ALL-UNNAMED CreationTime .
*/
import java.lang.foreign.Linker;
import java.nio.file.Path;
import java.nio.file.Files;
import java.nio.file.attribute.*;
import java.time.Instant;
import java.io.IOException;
import jdk.test.lib.Platform;
import jtreg.SkippedException;
public class CreationTime {
/**
* Reads the creationTime attribute
*/
private static FileTime creationTime(Path file) throws IOException {
return Files.readAttributes(file, BasicFileAttributes.class).creationTime();
}
/**
* Sets the creationTime attribute
*/
private static void setCreationTime(Path file, FileTime time) throws IOException {
BasicFileAttributeView view =
Files.getFileAttributeView(file, BasicFileAttributeView.class);
view.setTimes(null, null, time);
}
static void test(Path top) throws IOException {
Path file = Files.createFile(top.resolve("foo"));
/**
* Check that creationTime reported
*/
FileTime creationTime = creationTime(file);
Instant now = Instant.now();
if (Math.abs(creationTime.toMillis()-now.toEpochMilli()) > 10000L) {
System.err.println("creationTime.toMillis() == " + creationTime.toMillis());
System.err.println("File creation time reported as: " + creationTime);
throw new RuntimeException("Expected to be close to: " + now);
}
/**
* Is the creationTime attribute supported here?
*/
boolean supportsCreationTimeRead = false;
boolean supportsCreationTimeWrite = false;
if (Platform.isOSX()) {
String type = Files.getFileStore(file).type();
if (type.equals("apfs") || type.equals("hfs")) {
supportsCreationTimeRead = true;
supportsCreationTimeWrite = true;
}
} else if (Platform.isWindows()) {
String type = Files.getFileStore(file).type();
if (type.equals("NTFS") || type.equals("FAT")) {
supportsCreationTimeRead = true;
supportsCreationTimeWrite = true;
}
} else if (Platform.isLinux()) {
// Creation time read depends on statx system call support
try {
supportsCreationTimeRead = CreationTimeHelper.
linuxIsCreationTimeSupported(file.toAbsolutePath().toString());
} catch (Throwable e) {
supportsCreationTimeRead = false;
}
// Creation time updates are not supported on Linux
supportsCreationTimeWrite = false;
}
System.out.println(top + " supportsCreationTimeRead == " + supportsCreationTimeRead);
/**
* If the creation-time attribute is supported then change the file's
* last modified and check that it doesn't change the creation-time.
*/
if (supportsCreationTimeRead) {
// change modified time by +1 hour
Instant plusHour = Instant.now().plusSeconds(60L * 60L);
Files.setLastModifiedTime(file, FileTime.from(plusHour));
FileTime current = creationTime(file);
if (!current.equals(creationTime)) {
System.err.println("current = " + current);
System.err.println("creationTime = " + creationTime);
throw new RuntimeException("Creation time should not have changed");
}
}
/**
* If the creation-time attribute is supported and can be changed then
* check that the change is effective.
*/
if (supportsCreationTimeWrite) {
// change creation time by -1 hour
Instant minusHour = Instant.now().minusSeconds(60L * 60L);
creationTime = FileTime.from(minusHour);
setCreationTime(file, creationTime);
FileTime current = creationTime(file);
if (Math.abs(creationTime.toMillis()-current.toMillis()) > 1000L)
throw new RuntimeException("Creation time not changed");
}
}
public static void main(String[] args) throws IOException {
// create temporary directory to run tests
Path dir;
if (args.length == 0) {
dir = TestUtil.createTemporaryDirectory();
} else {
dir = TestUtil.createTemporaryDirectory(args[0]);
}
try {
test(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}

61
test/jdk/java/nio/file/attribute/BasicFileAttributeView/CreationTimeHelper.java Normal file
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/*
* Copyright (c) 2024 Alibaba Group Holding Limited. 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.lang.foreign.Arena;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.Linker;
import java.lang.foreign.MemorySegment;
import java.lang.foreign.SymbolLookup;
import java.lang.foreign.ValueLayout;
import java.lang.invoke.MethodHandle;
public class CreationTimeHelper extends NativeTestHelper {
static {
System.loadLibrary("CreationTimeHelper");
}
final static Linker abi = Linker.nativeLinker();
static final SymbolLookup lookup = SymbolLookup.loaderLookup();
final static MethodHandle methodHandle = abi.
downcallHandle(lookup.findOrThrow("linuxIsCreationTimeSupported"),
FunctionDescriptor.of(C_BOOL, C_POINTER));
// Helper so as to determine birth time support or not on Linux.
// Support is determined in a two-step process:
// 1. Determine if `statx` system call is available. If available proceed,
// otherwise return false.
// 2. Perform an actual `statx` call on the given file and check for birth
// time support in the mask returned from the call. This is needed,
// since some file systems, like nfs/tmpfs etc., don't support birth
// time even though the `statx` system call is available.
static boolean linuxIsCreationTimeSupported(String file) throws Throwable {
if (!abi.defaultLookup().find("statx").isPresent()) {
return false;
}
try (var arena = Arena.ofConfined()) {
MemorySegment s = arena.allocateFrom(file);
return (boolean)methodHandle.invokeExact(s);
}
}
}

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test/jdk/java/nio/file/attribute/BasicFileAttributeView/SetTimesNanos.java Normal file
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/*
* Copyright (c) 2019, 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.
*/
/* @test
* @bug 8181493 8231174 8343417
* @summary Verify that nanosecond precision is maintained for file timestamps
* @library ../.. /test/lib
* @build jdk.test.lib.Platform
* @modules java.base/sun.nio.fs:+open
* @run main SetTimesNanos
*/
import java.io.IOException;
import java.lang.reflect.Method;
import java.nio.file.Files;
import java.nio.file.FileStore;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.FileTime;
import java.util.List;
import java.util.Set;
import static java.nio.file.LinkOption.*;
import static java.util.concurrent.TimeUnit.*;
import jdk.test.lib.Platform;
import jtreg.SkippedException;
public class SetTimesNanos {
public static void main(String[] args) throws Exception {
Path dirPath = Path.of("test");
Path dir = Files.createDirectory(dirPath);
FileStore store = Files.getFileStore(dir);
System.out.format("FileStore: \"%s\" on %s (%s)%n",
dir, store.name(), store.type());
Set<String> testedTypes = Platform.isWindows() ?
Set.of("NTFS") : Set.of("apfs", "ext4", "xfs", "zfs");
if (!testedTypes.contains(store.type())) {
throw new SkippedException(store.type() + " not in " + testedTypes);
}
testNanos(dir);
Path file = Files.createFile(dir.resolve("test.dat"));
testNanos(file);
if (TestUtil.supportsSymbolicLinks(Path.of(""))) {
testNanosLink(false);
testNanosLink(true);
}
}
private static void testNanos(Path path) throws IOException {
// Set modification and access times
// Time stamp = "2017-01-01 01:01:01.123456789";
long timeNanos = 1_483_261_261L*1_000_000_000L + 123_456_789L;
FileTime pathTime = FileTime.from(timeNanos, NANOSECONDS);
BasicFileAttributeView view =
Files.getFileAttributeView(path, BasicFileAttributeView.class);
view.setTimes(pathTime, pathTime, null);
// Windows file time resolution is 100ns so truncate
if (Platform.isWindows()) {
timeNanos = 100L*(timeNanos/100L);
}
// Read attributes
BasicFileAttributes attrs =
Files.readAttributes(path, BasicFileAttributes.class);
// Check timestamps
String[] timeNames = new String[] {"modification", "access"};
FileTime[] times = new FileTime[] {attrs.lastModifiedTime(),
attrs.lastAccessTime()};
for (int i = 0; i < timeNames.length; i++) {
long nanos = times[i].to(NANOSECONDS);
if (nanos != timeNanos) {
throw new RuntimeException("Expected " + timeNames[i] +
" timestamp to be '" + timeNanos + "', but was '" +
nanos + "'");
}
}
}
private static void testNanosLink(boolean absolute) throws IOException {
System.out.println("absolute: " + absolute);
var target = Path.of("target");
var symlink = Path.of("symlink");
if (absolute)
symlink = symlink.toAbsolutePath();
try {
Files.createFile(target);
Files.createSymbolicLink(symlink, target);
long timeNanos = 1730417633157646106L;
// Windows file time resolution is 100ns so truncate
if (Platform.isWindows()) {
timeNanos = 100L*(timeNanos/100L);
}
var newTime = FileTime.from(timeNanos, NANOSECONDS);
System.out.println("newTime: " + newTime.to(NANOSECONDS));
for (Path p : List.of(target, symlink)) {
System.out.println("p: " + p);
var view = Files.getFileAttributeView(p,
BasicFileAttributeView.class, NOFOLLOW_LINKS);
view.setTimes(newTime, newTime, null);
var attrs = view.readAttributes();
if (!attrs.lastAccessTime().equals(newTime))
throw new RuntimeException("Last access time "
+ attrs.lastAccessTime()
+ " != " + newTime);
if (!attrs.lastAccessTime().equals(newTime))
throw new RuntimeException("Last modified time "
+ attrs.lastModifiedTime()
+ " != " + newTime);
}
} finally {
Files.deleteIfExists(target);
Files.deleteIfExists(symlink);
}
}
}

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/*
* Copyright (c) 2015, 2016, 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 8139133
* @summary Verify ability to set time attributes of socket files with no device
* @requires os.family == "linux"
*/
import java.io.File;
import java.io.InputStream;
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardWatchEventKinds;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
public class UnixSocketFile {
private static final String TEST_SUB_DIR = "UnixSocketFile";
private static final String SOCKET_FILE_NAME = "mysocket";
private static final String CMD_BASE = "nc -lU";
public static void main(String[] args)
throws InterruptedException, IOException {
// Use 'which' to verify that 'nc' is available and skip the test
// if it is not.
Process proc = Runtime.getRuntime().exec("which nc");
InputStream stdout = proc.getInputStream();
int b = stdout.read();
proc.destroy();
if (b == -1) {
System.err.println("Netcat command unavailable; skipping test.");
return;
}
// Verify that 'nc' accepts '-U' for Unix domain sockets.
// Skip the test if it is not.
Process procHelp = Runtime.getRuntime().exec(CMD_BASE + " -h");
if (procHelp.waitFor() != 0) {
System.err.println("Netcat does not accept required options; skipping test.");
return;
}
// Create a new sub-directory of the nominal test directory in which
// 'nc' will create the socket file.
String testSubDir = System.getProperty("test.dir", ".")
+ File.separator + TEST_SUB_DIR;
Path socketTestDir = Paths.get(testSubDir);
Files.createDirectory(socketTestDir);
// Set the path of the socket file.
String socketFilePath = testSubDir + File.separator
+ SOCKET_FILE_NAME;
// Create a process which executes the nc (netcat) utility to create
// a socket file at the indicated location.
FileSystem fs = FileSystems.getDefault();
try (WatchService ws = fs.newWatchService()) {
// Watch the test sub-directory to receive notification when an
// entry, i.e., the socket file, is added to the sub-directory.
WatchKey wk = socketTestDir.register(ws,
StandardWatchEventKinds.ENTRY_CREATE);
// Execute the 'nc' command.
proc = Runtime.getRuntime().exec(CMD_BASE + " " + socketFilePath);
// Wait until the socket file is created.
WatchKey key = ws.take();
if (key != wk) {
throw new RuntimeException("Unknown entry created - expected: "
+ wk.watchable() + ", actual: " + key.watchable());
}
wk.cancel();
}
// Verify that the socket file in fact exists.
Path socketPath = fs.getPath(socketFilePath);
if (!Files.exists(socketPath)) {
throw new RuntimeException("Socket file " + socketFilePath
+ " was not created by \"nc\" command.");
}
// Retrieve the most recent access and modification times of the
// socket file; print the values.
BasicFileAttributeView attributeView = Files.getFileAttributeView(
socketPath, BasicFileAttributeView.class);
BasicFileAttributes oldAttributes = attributeView.readAttributes();
FileTime oldAccessTime = oldAttributes.lastAccessTime();
FileTime oldModifiedTime = oldAttributes.lastModifiedTime();
System.out.println("Old times: " + oldAccessTime
+ " " + oldModifiedTime);
// Calculate the time to which the access and modification times of the
// socket file will be changed.
FileTime newFileTime =
FileTime.fromMillis(oldAccessTime.toMillis() + 1066);
try {
// Set the access and modification times of the socket file.
attributeView.setTimes(newFileTime, newFileTime, null);
// Retrieve the updated access and modification times of the
// socket file; print the values.
FileTime newAccessTime = null;
FileTime newModifiedTime = null;
BasicFileAttributes newAttributes = attributeView.readAttributes();
newAccessTime = newAttributes.lastAccessTime();
newModifiedTime = newAttributes.lastModifiedTime();
System.out.println("New times: " + newAccessTime + " "
+ newModifiedTime);
// Verify that the updated times have the expected values.
if ((newAccessTime != null && !newAccessTime.equals(newFileTime))
|| (newModifiedTime != null
&& !newModifiedTime.equals(newFileTime))) {
throw new RuntimeException("Failed to set correct times.");
}
} finally {
// Destry the process running netcat and delete the socket file.
proc.destroy();
Files.delete(socketPath);
}
}
}

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/*
* Copyright (c) 2024 Alibaba Group Holding Limited. 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.
*/
#include "export.h"
#include <stdbool.h>
#if defined(__linux__)
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dlfcn.h>
#ifndef STATX_BASIC_STATS
#define STATX_BASIC_STATS 0x000007ffU
#endif
#ifndef STATX_BTIME
#define STATX_BTIME 0x00000800U
#endif
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT RTLD_LOCAL
#endif
#ifndef AT_SYMLINK_NOFOLLOW
#define AT_SYMLINK_NOFOLLOW 0x100
#endif
#ifndef AT_FDCWD
#define AT_FDCWD -100
#endif
/*
* Timestamp structure for the timestamps in struct statx.
*/
struct my_statx_timestamp {
int64_t tv_sec;
uint32_t tv_nsec;
int32_t __reserved;
};
/*
* struct statx used by statx system call on >= glibc 2.28
* systems
*/
struct my_statx
{
uint32_t stx_mask;
uint32_t stx_blksize;
uint64_t stx_attributes;
uint32_t stx_nlink;
uint32_t stx_uid;
uint32_t stx_gid;
uint16_t stx_mode;
uint16_t __statx_pad1[1];
uint64_t stx_ino;
uint64_t stx_size;
uint64_t stx_blocks;
uint64_t stx_attributes_mask;
struct my_statx_timestamp stx_atime;
struct my_statx_timestamp stx_btime;
struct my_statx_timestamp stx_ctime;
struct my_statx_timestamp stx_mtime;
uint32_t stx_rdev_major;
uint32_t stx_rdev_minor;
uint32_t stx_dev_major;
uint32_t stx_dev_minor;
uint64_t __statx_pad2[14];
};
typedef int statx_func(int dirfd, const char *restrict pathname, int flags,
unsigned int mask, struct my_statx *restrict statxbuf);
static statx_func* my_statx_func = NULL;
#endif //#defined(__linux__)
// static boolean linuxIsCreationTimeSupported(char* file)
EXPORT bool linuxIsCreationTimeSupported(char* file) {
#if defined(__linux__)
struct my_statx stx = {0};
int ret, atflag = AT_SYMLINK_NOFOLLOW;
unsigned int mask = STATX_BASIC_STATS | STATX_BTIME;
my_statx_func = (statx_func*) dlsym(RTLD_DEFAULT, "statx");
if (my_statx_func == NULL) {
return false;
}
if (file == NULL) {
printf("input file error!\n");
return false;
}
ret = my_statx_func(AT_FDCWD, file, atflag, mask, &stx);
if (ret != 0) {
return false;
}
// On some systems where statx is available but birth time might still not
// be supported as it's file system specific. The only reliable way to
// check for supported or not is looking at the filled in STATX_BTIME bit
// in the returned statx buffer mask.
if ((stx.stx_mask & STATX_BTIME) != 0)
return true;
return false;
#else
return false;
#endif
}

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/*
* Copyright (c) 2008, 2024, 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 4313887 6838333
* @summary Unit test for java.nio.file.attribute.DosFileAttributeView
* @library ../..
*/
import java.nio.file.*;
import static java.nio.file.LinkOption.*;
import java.nio.file.attribute.*;
import java.util.*;
import java.io.IOException;
public class Basic {
static void check(boolean okay) {
if (!okay)
throw new RuntimeException("Test failed");
}
// exercise each setter/getter method, leaving all attributes unset
static void testAttributes(DosFileAttributeView view) throws IOException {
view.setReadOnly(true);
check(view.readAttributes().isReadOnly());
view.setReadOnly(false);
check(!view.readAttributes().isReadOnly());
view.setHidden(true);
check(view.readAttributes().isHidden());
view.setHidden(false);
check(!view.readAttributes().isHidden());
view.setArchive(true);
check(view.readAttributes().isArchive());
view.setArchive(false);
check(!view.readAttributes().isArchive());
view.setSystem(true);
check(view.readAttributes().isSystem());
view.setSystem(false);
check(!view.readAttributes().isSystem());
}
// set the value of all attributes
static void setAll(DosFileAttributeView view, boolean value)
throws IOException
{
view.setReadOnly(value);
view.setHidden(value);
view.setArchive(value);
view.setSystem(value);
}
// read and write FAT attributes
static void readWriteTests(Path dir) throws IOException {
// create "foo" and test that we can read/write each FAT attribute
Path file = Files.createFile(dir.resolve("foo"));
try {
testAttributes(Files.getFileAttributeView(file, DosFileAttributeView.class));
// Following tests use a symbolic link so skip if not supported
if (!TestUtil.supportsSymbolicLinks(dir))
return;
Path link = dir.resolve("link");
Files.createSymbolicLink(link, file);
// test following links
testAttributes(Files.getFileAttributeView(link, DosFileAttributeView.class));
// test not following links
try {
try {
testAttributes(Files
.getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS));
} catch (IOException x) {
// access to link attributes not supported
return;
}
// set all attributes on link
// run test on target of link (which leaves them all un-set)
// check that attributes of link remain all set
setAll(Files
.getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS), true);
testAttributes(Files
.getFileAttributeView(link, DosFileAttributeView.class));
DosFileAttributes attrs =
Files.getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS)
.readAttributes();
check(attrs.isReadOnly());
check(attrs.isHidden());
check(attrs.isArchive());
check(attrs.isSystem());
setAll(Files
.getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS), false);
// set all attributes on target
// run test on link (which leaves them all un-set)
// check that attributes of target remain all set
setAll(Files.getFileAttributeView(link, DosFileAttributeView.class), true);
testAttributes(Files
.getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS));
attrs = Files.getFileAttributeView(link, DosFileAttributeView.class).readAttributes();
check(attrs.isReadOnly());
check(attrs.isHidden());
check(attrs.isArchive());
check(attrs.isSystem());
setAll(Files.getFileAttributeView(link, DosFileAttributeView.class), false);
} finally {
TestUtil.deleteUnchecked(link);
}
} finally {
TestUtil.deleteUnchecked(file);
}
}
public static void main(String[] args) throws IOException {
// create temporary directory to run tests
Path dir = TestUtil.createTemporaryDirectory();
try {
// skip test if DOS file attributes not supported
if (!Files.getFileStore(dir).supportsFileAttributeView("dos")) {
System.out.println("DOS file attribute not supported.");
return;
}
readWriteTests(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}

346
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/*
* Copyright (c) 2009, 2013, 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 6844313 8011647
* @summary Unit test for java.nio.file.FileTime
* @key randomness
*/
import java.nio.file.attribute.FileTime;
import java.time.Instant;
import java.util.concurrent.TimeUnit;
import static java.util.concurrent.TimeUnit.*;
import java.util.Random;
import java.util.EnumSet;
public class Basic {
static final Random rand = new Random();
public static void main(String[] args) {
long now = System.currentTimeMillis();
long tomorrowInDays = TimeUnit.DAYS.convert(now, MILLISECONDS) + 1;
long yesterdayInDays = TimeUnit.DAYS.convert(now, MILLISECONDS) - 1;
Instant nowInstant = Instant.ofEpochMilli(now);
// equals
eq(now, MILLISECONDS, now, MILLISECONDS);
eq(now, MILLISECONDS, now*1000L, MICROSECONDS);
neq(now, MILLISECONDS, 0, MILLISECONDS);
neq(now, MILLISECONDS, 0, MICROSECONDS);
eq(nowInstant, now, MILLISECONDS);
eq(nowInstant, now*1000L, MICROSECONDS);
neq(nowInstant, 0, MILLISECONDS);
neq(nowInstant, 0, MICROSECONDS);
// compareTo
cmp(now, MILLISECONDS, now, MILLISECONDS, 0);
cmp(now, MILLISECONDS, now*1000L, MICROSECONDS, 0);
cmp(now, MILLISECONDS, now-1234, MILLISECONDS, 1);
cmp(now, MILLISECONDS, now+1234, MILLISECONDS, -1);
cmp(tomorrowInDays, DAYS, now, MILLISECONDS, 1);
cmp(now, MILLISECONDS, tomorrowInDays, DAYS, -1);
cmp(yesterdayInDays, DAYS, now, MILLISECONDS, -1);
cmp(now, MILLISECONDS, yesterdayInDays, DAYS, 1);
cmp(yesterdayInDays, DAYS, now, MILLISECONDS, -1);
cmp(Long.MAX_VALUE, DAYS, Long.MAX_VALUE, NANOSECONDS, 1);
cmp(Long.MAX_VALUE, DAYS, Long.MIN_VALUE, NANOSECONDS, 1);
cmp(Long.MIN_VALUE, DAYS, Long.MIN_VALUE, NANOSECONDS, -1);
cmp(Long.MIN_VALUE, DAYS, Long.MAX_VALUE, NANOSECONDS, -1);
cmp(Instant.MIN, Long.MIN_VALUE, DAYS, 1);
cmp(Instant.MIN, Long.MIN_VALUE, HOURS, 1);
cmp(Instant.MIN, Long.MIN_VALUE, MINUTES, 1);
cmp(Instant.MIN, Long.MIN_VALUE, SECONDS, 1);
cmp(Instant.MIN, Instant.MIN.getEpochSecond() - 1, SECONDS, 1);
cmp(Instant.MIN, Instant.MIN.getEpochSecond() - 100, SECONDS, 1);
cmp(Instant.MIN, Instant.MIN.getEpochSecond(), SECONDS, 0);
cmp(Instant.MAX, Long.MAX_VALUE, DAYS, -1);
cmp(Instant.MAX, Long.MAX_VALUE, HOURS, -1);
cmp(Instant.MAX, Long.MAX_VALUE, MINUTES, -1);
cmp(Instant.MAX, Long.MAX_VALUE, SECONDS, -1);
cmp(Instant.MAX, Instant.MAX.getEpochSecond() + 1, SECONDS, -1);
cmp(Instant.MAX, Instant.MAX.getEpochSecond() + 100, SECONDS, -1);
cmp(Instant.MAX, Instant.MAX.getEpochSecond(), SECONDS, 0);
cmp(nowInstant, now, MILLISECONDS, 0);
cmp(nowInstant, now*1000L, MICROSECONDS, 0);
cmp(nowInstant, now-1234, MILLISECONDS, 1);
cmp(nowInstant, now+1234, MILLISECONDS, -1);
cmp(nowInstant, tomorrowInDays, DAYS, -1);
cmp(nowInstant, yesterdayInDays, DAYS, 1);
// to(TimeUnit)
to(MILLISECONDS.convert(1, DAYS) - 1, MILLISECONDS);
to(MILLISECONDS.convert(1, DAYS) + 0, MILLISECONDS);
to(MILLISECONDS.convert(1, DAYS) + 1, MILLISECONDS);
to(1, MILLISECONDS);
to(0, MILLISECONDS);
to(1, MILLISECONDS);
to(MILLISECONDS.convert(-1, DAYS) - 1, MILLISECONDS);
to(MILLISECONDS.convert(-1, DAYS) + 0, MILLISECONDS);
to(MILLISECONDS.convert(-1, DAYS) + 1, MILLISECONDS);
for (TimeUnit unit: TimeUnit.values()) {
for (int i=0; i<100; i++) { to(rand.nextLong(), unit); }
to(Long.MIN_VALUE, unit);
to(Long.MAX_VALUE, unit);
}
// toInstant()
int N = 1000;
for (TimeUnit unit : EnumSet.allOf(TimeUnit.class)) {
for (int i = 0; i < N; i++) {
long value = rand.nextLong();
FileTime ft = FileTime.from(value, unit);
Instant instant = ft.toInstant();
if (instant != Instant.MIN && instant != Instant.MAX) {
eqTime(value, unit, instant);
}
}
}
for (TimeUnit unit : EnumSet.allOf(TimeUnit.class)) {
long value = Long.MIN_VALUE;
FileTime ft = FileTime.from(value, unit);
Instant instant = ft.toInstant();
if (unit.compareTo(TimeUnit.SECONDS) < 0) {
eqTime(value, unit, instant);
} else if (!instant.equals(Instant.MIN)) {
throw new RuntimeException("should overflow to MIN");
}
value = Long.MAX_VALUE;
ft = FileTime.from(value, unit);
instant = ft.toInstant();
if (unit.compareTo(TimeUnit.SECONDS) < 0) {
eqTime(value, unit, instant);
} else if (!instant.equals(Instant.MAX)) {
throw new RuntimeException("should overflow to MAX");
}
}
// from(Instant)
final long MAX_SECOND = 31556889864403199L;
for (int i = 0; i < N; i++) {
long v = rand.nextLong();
long secs = v % MAX_SECOND;
Instant instant = Instant.ofEpochSecond(secs, rand.nextInt(1000_000_000));
FileTime ft = FileTime.from(instant);
if (!ft.toInstant().equals(instant) || ft.to(SECONDS) != secs) {
throw new RuntimeException("from(Instant) failed");
}
long millis = v;
instant = Instant.ofEpochMilli(millis);
ft = FileTime.from(instant);
if (!ft.toInstant().equals(instant) ||
ft.toMillis() != instant.toEpochMilli()) {
throw new RuntimeException("from(Instant) failed");
}
long nanos = v;
ft = FileTime.from(nanos, NANOSECONDS);
secs = nanos / 1000_000_000;
nanos = nanos % 1000_000_000;
instant = Instant.ofEpochSecond(secs, nanos);
if (!ft.equals(FileTime.from(instant))) {
throw new RuntimeException("from(Instant) failed");
}
}
// toString
ts(1L, DAYS, "1970-01-02T00:00:00Z");
ts(1L, HOURS, "1970-01-01T01:00:00Z");
ts(1L, MINUTES, "1970-01-01T00:01:00Z");
ts(1L, SECONDS, "1970-01-01T00:00:01Z");
ts(1L, MILLISECONDS, "1970-01-01T00:00:00.001Z");
ts(1L, MICROSECONDS, "1970-01-01T00:00:00.000001Z");
ts(1L, NANOSECONDS, "1970-01-01T00:00:00.000000001Z");
ts(999999999L, NANOSECONDS, "1970-01-01T00:00:00.999999999Z");
ts(9999999999L, NANOSECONDS, "1970-01-01T00:00:09.999999999Z");
ts(-1L, DAYS, "1969-12-31T00:00:00Z");
ts(-1L, HOURS, "1969-12-31T23:00:00Z");
ts(-1L, MINUTES, "1969-12-31T23:59:00Z");
ts(-1L, SECONDS, "1969-12-31T23:59:59Z");
ts(-1L, MILLISECONDS, "1969-12-31T23:59:59.999Z");
ts(-1L, MICROSECONDS, "1969-12-31T23:59:59.999999Z");
ts(-1L, NANOSECONDS, "1969-12-31T23:59:59.999999999Z");
ts(-999999999L, NANOSECONDS, "1969-12-31T23:59:59.000000001Z");
ts(-9999999999L, NANOSECONDS, "1969-12-31T23:59:50.000000001Z");
ts(-62135596799999L, MILLISECONDS, "0001-01-01T00:00:00.001Z");
ts(-62135596800000L, MILLISECONDS, "0001-01-01T00:00:00Z");
ts(-62135596800001L, MILLISECONDS, "-0001-12-31T23:59:59.999Z");
ts(253402300799999L, MILLISECONDS, "9999-12-31T23:59:59.999Z");
ts(-377642044800001L, MILLISECONDS, "-9999-12-31T23:59:59.999Z");
// NTFS epoch in usec.
ts(-11644473600000000L, MICROSECONDS, "1601-01-01T00:00:00Z");
ts(Instant.MIN, "-1000000001-01-01T00:00:00Z");
ts(Instant.MAX, "1000000000-12-31T23:59:59.999999999Z");
try {
FileTime.from(0L, null);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException npe) { }
try {
FileTime.from(null);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException npe) { }
FileTime time = FileTime.fromMillis(now);
if (time.equals(null))
throw new RuntimeException("should not be equal to null");
try {
time.compareTo(null);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException npe) { }
// Instant + toMilli() overflow
overflow(Long.MAX_VALUE,
FileTime.from(Instant.MAX).toMillis());
overflow(Long.MAX_VALUE,
FileTime.from(Instant.ofEpochSecond(Long.MAX_VALUE / 1000 + 1))
.toMillis());
overflow(Long.MIN_VALUE,
FileTime.from(Instant.MIN).toMillis());
overflow(Long.MIN_VALUE,
FileTime.from(Instant.ofEpochSecond(Long.MIN_VALUE / 1000 - 1))
.toMillis());
// Instant + to(TimeUnit) overflow
overflow(Long.MAX_VALUE,
FileTime.from(Instant.ofEpochSecond(Long.MAX_VALUE / 1000 + 1))
.to(MILLISECONDS));
overflow(Long.MAX_VALUE,
FileTime.from(Instant.ofEpochSecond(Long.MAX_VALUE / 1000,
MILLISECONDS.toNanos(1000)))
.to(MILLISECONDS));
overflow(Long.MIN_VALUE,
FileTime.from(Instant.ofEpochSecond(Long.MIN_VALUE / 1000 - 1))
.to(MILLISECONDS));
overflow(Long.MIN_VALUE,
FileTime.from(Instant.ofEpochSecond(Long.MIN_VALUE / 1000,
-MILLISECONDS.toNanos(1)))
.to(MILLISECONDS));
}
static void overflow(long minmax, long v) {
if (v != minmax)
throw new RuntimeException("saturates to Long.MIN/MAX_VALUE expected");
}
static void cmp(long v1, TimeUnit u1, long v2, TimeUnit u2, int expected) {
int result = FileTime.from(v1, u1).compareTo(FileTime.from(v2, u2));
if (result != expected)
throw new RuntimeException("unexpected order");
}
static void cmp(Instant ins, long v2, TimeUnit u2, int expected) {
int result = FileTime.from(ins).compareTo(FileTime.from(v2, u2));
if (result != expected)
throw new RuntimeException("unexpected order");
}
static void eq(long v1, TimeUnit u1, long v2, TimeUnit u2) {
FileTime t1 = FileTime.from(v1, u1);
FileTime t2 = FileTime.from(v2, u2);
if (!t1.equals(t2))
throw new RuntimeException("not equal");
if (t1.hashCode() != t2.hashCode())
throw new RuntimeException("hashCodes should be equal");
}
static void eq(Instant ins, long v2, TimeUnit u2) {
FileTime t1 = FileTime.from(ins);
FileTime t2 = FileTime.from(v2, u2);
if (!t1.equals(t2))
throw new RuntimeException("not equal");
if (t1.hashCode() != t2.hashCode())
throw new RuntimeException("hashCodes should be equal");
}
static void eqTime(long value, TimeUnit unit, Instant instant) {
long secs = SECONDS.convert(value, unit);
long nanos = NANOSECONDS.convert(value - unit.convert(secs, SECONDS), unit);
if (nanos < 0) { // normalize nanoOfSecond to positive
secs -= 1;
nanos += 1000_000_000;
}
if (secs != instant.getEpochSecond() || (int)nanos != instant.getNano()) {
System.err.println(" ins=" + instant);
throw new RuntimeException("ft and instant are not the same time point");
}
}
static void neq(long v1, TimeUnit u1, long v2, TimeUnit u2) {
FileTime t1 = FileTime.from(v1, u1);
FileTime t2 = FileTime.from(v2, u2);
if (t1.equals(t2))
throw new RuntimeException("should not be equal");
}
static void neq(Instant ins, long v2, TimeUnit u2) {
FileTime t1 = FileTime.from(ins);
FileTime t2 = FileTime.from(v2, u2);
if (t1.equals(t2))
throw new RuntimeException("should not be equal");
}
static void to(long v, TimeUnit unit) {
FileTime t = FileTime.from(v, unit);
for (TimeUnit u: TimeUnit.values()) {
long result = t.to(u);
long expected = u.convert(v, unit);
if (result != expected) {
throw new RuntimeException("unexpected result");
}
}
}
static void ts(long v, TimeUnit unit, String expected) {
String result = FileTime.from(v, unit).toString();
if (!result.equals(expected)) {
System.err.format("FileTime.from(%d, %s).toString() failed\n", v, unit);
System.err.format("Expected: %s\n", expected);
System.err.format(" Got: %s\n", result);
throw new RuntimeException();
}
}
static void ts(Instant instant, String expected) {
String result = FileTime.from(instant).toString();
if (!result.equals(expected)) {
System.err.format("FileTime.from(%s).toString() failed\n", instant);
System.err.format("Expected: %s\n", expected);
System.err.format(" Got: %s\n", result);
throw new RuntimeException();
}
}
}

437
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/*
* Copyright (c) 2008, 2024, 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 4313887 6838333 8062795
* @summary Unit test for java.nio.file.attribute.PosixFileAttributeView
* @library ../..
*/
import java.nio.file.*;
import static java.nio.file.LinkOption.*;
import java.nio.file.attribute.*;
import java.io.IOException;
import java.util.*;
/**
* Unit test for PosixFileAttributeView, passing silently if this attribute
* view is not available.
*/
public class Basic {
/**
* Use view to update permission to the given mode and check that the
* permissions have been updated.
*/
static void testPermissions(Path file, String mode) throws IOException {
System.out.format("change mode: %s\n", mode);
Set<PosixFilePermission> perms = PosixFilePermissions.fromString(mode);
// change permissions and re-read them.
Files.setPosixFilePermissions(file, perms);
Set<PosixFilePermission> current = Files.getPosixFilePermissions(file);
if (!current.equals(perms)) {
throw new RuntimeException("Actual permissions: " +
PosixFilePermissions.toString(current) + ", expected: " +
PosixFilePermissions.toString(perms));
}
// repeat test using setAttribute/getAttribute
Files.setAttribute(file, "posix:permissions", perms);
current = (Set<PosixFilePermission>)Files.getAttribute(file, "posix:permissions");
if (!current.equals(perms)) {
throw new RuntimeException("Actual permissions: " +
PosixFilePermissions.toString(current) + ", expected: " +
PosixFilePermissions.toString(perms));
}
}
/**
* Check that the actual permissions of a file match or make it more
* secure than requested
*/
static void checkSecure(Set<PosixFilePermission> requested,
Set<PosixFilePermission> actual)
{
for (PosixFilePermission perm: actual) {
if (!requested.contains(perm)) {
throw new RuntimeException("Actual permissions: " +
PosixFilePermissions.toString(actual) + ", requested: " +
PosixFilePermissions.toString(requested) +
" - file is less secure than requested");
}
}
}
/**
* Create file with given mode and check that the file is created with a
* mode that is not less secure
*/
static void createWithPermissions(Path file,
String mode)
throws IOException
{
Set<PosixFilePermission> requested = PosixFilePermissions.fromString(mode);
FileAttribute<Set<PosixFilePermission>> attr =
PosixFilePermissions.asFileAttribute(requested);
System.out.format("create file with mode: %s\n", mode);
Files.createFile(file, attr);
try {
checkSecure(requested,
Files.getFileAttributeView(file, PosixFileAttributeView.class)
.readAttributes()
.permissions());
} finally {
Files.delete(file);
}
System.out.format("create directory with mode: %s\n", mode);
Files.createDirectory(file, attr);
try {
checkSecure(requested,
Files.getFileAttributeView(file, PosixFileAttributeView.class)
.readAttributes()
.permissions());
} finally {
Files.delete(file);
}
}
/**
* Test the setPermissions/permissions methods.
*/
static void permissionTests(Path dir)
throws IOException
{
System.out.println("-- Permission Tests --");
// create file and test updating and reading its permissions
Path file = dir.resolve("foo");
System.out.format("create %s\n", file);
Files.createFile(file);
try {
// get initial permissions so that we can restore them later
PosixFileAttributeView view =
Files.getFileAttributeView(file, PosixFileAttributeView.class);
Set<PosixFilePermission> save = view.readAttributes()
.permissions();
// test various modes
try {
testPermissions(file, "---------");
testPermissions(file, "r--------");
testPermissions(file, "-w-------");
testPermissions(file, "--x------");
testPermissions(file, "rwx------");
testPermissions(file, "---r-----");
testPermissions(file, "----w----");
testPermissions(file, "-----x---");
testPermissions(file, "---rwx---");
testPermissions(file, "------r--");
testPermissions(file, "-------w-");
testPermissions(file, "--------x");
testPermissions(file, "------rwx");
testPermissions(file, "r--r-----");
testPermissions(file, "r--r--r--");
testPermissions(file, "rw-rw----");
testPermissions(file, "rwxrwx---");
testPermissions(file, "rw-rw-r--");
testPermissions(file, "r-xr-x---");
testPermissions(file, "r-xr-xr-x");
testPermissions(file, "rwxrwxrwx");
} finally {
view.setPermissions(save);
}
} finally {
Files.delete(file);
}
if (TestUtil.supportsSymbolicLinks(dir)) {
// create link (to file that doesn't exist) and test reading of
// permissions
Path link = dir.resolve("link");
System.out.format("create link %s\n", link);
Files.createSymbolicLink(link, file);
try {
PosixFileAttributes attrs =
Files.getFileAttributeView(link,
PosixFileAttributeView.class,
NOFOLLOW_LINKS)
.readAttributes();
if (!attrs.isSymbolicLink()) {
throw new RuntimeException("not a link");
}
} finally {
Files.delete(link);
}
// test that setting permissions on paths with and without
// links succeeds when the NOFOLLOW_LINKS option is set
// ensure there are no links in the path to test
Path realDir = dir.toRealPath();
// realDir/a/b/c/d
Path leaf = realDir.resolve(Path.of("a", "b", "c", "d"));
Files.createDirectories(leaf);
// realDir/a/b/c/d/FUBAR
Path sansLinks = Files.createTempFile(leaf, "FU", "BAR");
PosixFileAttributeView sansView =
Files.getFileAttributeView(sansLinks,
PosixFileAttributeView.class,
LinkOption.NOFOLLOW_LINKS);
sansView.setPermissions(Set.of(PosixFilePermission.OWNER_WRITE));
sansView.setPermissions(Set.of(PosixFilePermission.OWNER_WRITE));
// reinstate read permission
sansView.setPermissions(Set.of(PosixFilePermission.OWNER_READ,
PosixFilePermission.OWNER_WRITE));
// lien -> realDir/a/b/c
Path lien = realDir.resolve(Path.of("a", "lien"));
Files.createSymbolicLink(lien,
realDir.resolve(Path.of("a", "b", "c")));
// lien/d/FUBAR
Path withLinks = lien.resolve(Path.of("d"),
sansLinks.getFileName());
PosixFileAttributeView withView =
Files.getFileAttributeView(withLinks,
PosixFileAttributeView.class,
LinkOption.NOFOLLOW_LINKS);
withView.setPermissions(Set.of(PosixFilePermission.OWNER_WRITE));
withView.setPermissions(Set.of(PosixFilePermission.OWNER_WRITE));
}
System.out.println("OKAY");
}
/**
* Test creating a file and directory with initial permissios
*/
static void createTests(Path dir)
throws IOException
{
System.out.println("-- Create Tests --");
Path file = dir.resolve("foo");
createWithPermissions(file, "---------");
createWithPermissions(file, "r--------");
createWithPermissions(file, "-w-------");
createWithPermissions(file, "--x------");
createWithPermissions(file, "rwx------");
createWithPermissions(file, "---r-----");
createWithPermissions(file, "----w----");
createWithPermissions(file, "-----x---");
createWithPermissions(file, "---rwx---");
createWithPermissions(file, "------r--");
createWithPermissions(file, "-------w-");
createWithPermissions(file, "--------x");
createWithPermissions(file, "------rwx");
createWithPermissions(file, "r--r-----");
createWithPermissions(file, "r--r--r--");
createWithPermissions(file, "rw-rw----");
createWithPermissions(file, "rwxrwx---");
createWithPermissions(file, "rw-rw-r--");
createWithPermissions(file, "r-xr-x---");
createWithPermissions(file, "r-xr-xr-x");
createWithPermissions(file, "rwxrwxrwx");
System.out.println("OKAY");
}
/**
* Test setOwner/setGroup methods - this test simply exercises the
* methods to avoid configuration.
*/
static void ownerTests(Path dir)
throws IOException
{
System.out.println("-- Owner Tests --");
Path file = dir.resolve("gus");
System.out.format("create %s\n", file);
Files.createFile(file);
try {
// read attributes of directory to get owner/group
PosixFileAttributeView view =
Files.getFileAttributeView(file, PosixFileAttributeView.class);
PosixFileAttributes attrs = view.readAttributes();
// set to existing owner/group
view.setOwner(attrs.owner());
view.setGroup(attrs.group());
// repeat test using set/getAttribute
UserPrincipal owner = (UserPrincipal)Files.getAttribute(file, "posix:owner");
Files.setAttribute(file, "posix:owner", owner);
UserPrincipal group = (UserPrincipal)Files.getAttribute(file, "posix:group");
Files.setAttribute(file, "posix:group", group);
} finally {
Files.delete(file);
}
System.out.println("OKAY");
}
/**
* Test the lookupPrincipalByName/lookupPrincipalByGroupName methods
*/
static void lookupPrincipalTests(Path dir)
throws IOException
{
System.out.println("-- Lookup UserPrincipal Tests --");
UserPrincipalLookupService lookupService = dir.getFileSystem()
.getUserPrincipalLookupService();
// read attributes of directory to get owner/group
PosixFileAttributes attrs = Files.readAttributes(dir, PosixFileAttributes.class);
// lookup owner and check it matches file's owner
System.out.format("lookup: %s\n", attrs.owner().getName());
try {
UserPrincipal owner = lookupService.lookupPrincipalByName(attrs.owner().getName());
if (owner instanceof GroupPrincipal)
throw new RuntimeException("owner is a group?");
if (!owner.equals(attrs.owner()))
throw new RuntimeException("owner different from file owner");
} catch (UserPrincipalNotFoundException x) {
System.out.println("user not found - test skipped");
}
// lookup group and check it matches file's group-owner
System.out.format("lookup group: %s\n", attrs.group().getName());
try {
GroupPrincipal group = lookupService.lookupPrincipalByGroupName(attrs.group().getName());
if (!group.equals(attrs.group()))
throw new RuntimeException("group different from file group-owner");
} catch (UserPrincipalNotFoundException x) {
System.out.println("group not found - test skipped");
}
// test that UserPrincipalNotFoundException is thrown
String invalidPrincipal = "scumbag99";
try {
System.out.format("lookup: %s\n", invalidPrincipal);
lookupService.lookupPrincipalByName(invalidPrincipal);
throw new RuntimeException("'" + invalidPrincipal + "' is a valid user?");
} catch (UserPrincipalNotFoundException x) {
}
try {
System.out.format("lookup group: %s\n", invalidPrincipal);
lookupService.lookupPrincipalByGroupName("idonotexist");
throw new RuntimeException("'" + invalidPrincipal + "' is a valid group?");
} catch (UserPrincipalNotFoundException x) {
}
System.out.println("OKAY");
}
/**
* Test various exceptions are thrown as expected
*/
@SuppressWarnings("unchecked")
static void exceptionsTests(Path dir)
throws IOException
{
System.out.println("-- Exceptions --");
PosixFileAttributeView view =
Files.getFileAttributeView(dir,PosixFileAttributeView.class);
// NullPointerException
try {
view.setOwner(null);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
try {
view.setGroup(null);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
UserPrincipalLookupService lookupService = dir.getFileSystem()
.getUserPrincipalLookupService();
try {
lookupService.lookupPrincipalByName(null);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
try {
lookupService.lookupPrincipalByGroupName(null);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
try {
view.setPermissions(null);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
try {
Set<PosixFilePermission> perms = new HashSet<>();
perms.add(null);
view.setPermissions(perms);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
// ClassCastException
try {
Set perms = new HashSet(); // raw type
perms.add(new Object());
view.setPermissions(perms);
throw new RuntimeException("ClassCastException not thrown");
} catch (ClassCastException x) {
}
System.out.println("OKAY");
}
public static void main(String[] args) throws IOException {
Path dir = TestUtil.createTemporaryDirectory();
try {
if (!Files.getFileStore(dir).supportsFileAttributeView("posix")) {
System.out.println("PosixFileAttributeView not supported");
return;
}
permissionTests(dir);
createTests(dir);
ownerTests(dir);
lookupPrincipalTests(dir);
exceptionsTests(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}

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/*
* Copyright (c) 2008, 2026, 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 4313887 6838333 8273922
* @summary Unit test for java.nio.file.attribute.UserDefinedFileAttributeView
* (use -Dseed=X to set PRNG seed)
* @library ../.. /test/lib
* @key randomness
* @build jdk.test.lib.Platform
* @build jdk.test.lib.RandomFactory
* @build jtreg.SkippedException
* @run main Basic
*/
import java.io.IOException;
import java.lang.foreign.Arena;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.attribute.UserDefinedFileAttributeView;
import java.util.Arrays;
import java.util.Map;
import java.util.Random;
import jdk.test.lib.Platform;
import jdk.test.lib.RandomFactory;
import jtreg.SkippedException;
public class Basic {
// Must be indeterministic
private static final Random rand = RandomFactory.getRandom();
private static final String ATTR_NAME = "mime_type";
private static final String ATTR_VALUE = "text/plain";
private static final String ATTR_VALUE2 = "text/html";
static interface Task {
void run() throws Exception;
}
static void tryCatch(Class<? extends Throwable> ex, Task task) {
boolean caught = false;
try {
task.run();
} catch (Throwable x) {
if (ex.isAssignableFrom(x.getClass())) {
caught = true;
} else {
throw new RuntimeException(x);
}
}
if (!caught)
throw new RuntimeException(ex.getName() + " expected");
}
static void expectNullPointerException(Task task) {
tryCatch(NullPointerException.class, task);
}
static boolean hasAttribute(UserDefinedFileAttributeView view, String attr)
throws IOException
{
for (String name: view.list()) {
if (name.equals(ATTR_NAME))
return true;
}
return false;
}
static void test(Path file, LinkOption... options) throws IOException {
final UserDefinedFileAttributeView view =
Files.getFileAttributeView(file, UserDefinedFileAttributeView.class, options);
final ByteBuffer buf = switch (rand.nextInt(3)) {
case 0 -> ByteBuffer.allocate(100);
case 1 -> ByteBuffer.allocateDirect(100);
case 2 -> Arena.ofAuto().allocate(100).asByteBuffer();
default -> throw new InternalError("Should not reach here");
};
// Test: write
buf.put(ATTR_VALUE.getBytes()).flip();
int size = buf.remaining();
int nwrote = view.write(ATTR_NAME, buf);
if (nwrote != size)
throw new RuntimeException("Unexpected number of bytes written");
// Test: size
if (view.size(ATTR_NAME) != size)
throw new RuntimeException("Unexpected size");
// Test: read
buf.clear();
int nread = view.read(ATTR_NAME, buf);
if (nread != size)
throw new RuntimeException("Unexpected number of bytes read");
buf.flip();
String value = Charset.defaultCharset().decode(buf).toString();
if (!value.equals(ATTR_VALUE))
throw new RuntimeException("Unexpected attribute value");
// Test: read with insufficient space
tryCatch(IOException.class, new Task() {
public void run() throws IOException {
view.read(ATTR_NAME, ByteBuffer.allocateDirect(1));
}});
// Test: replace value
buf.clear();
buf.put(ATTR_VALUE2.getBytes()).flip();
size = buf.remaining();
view.write(ATTR_NAME, buf);
if (view.size(ATTR_NAME) != size)
throw new RuntimeException("Unexpected size");
// Test: list
if (!hasAttribute(view, ATTR_NAME))
throw new RuntimeException("Attribute name not in list");
// Test: delete
view.delete(ATTR_NAME);
if (hasAttribute(view, ATTR_NAME))
throw new RuntimeException("Attribute name in list");
// Test: dynamic access
String name = "user:" + ATTR_NAME;
byte[] valueAsBytes = ATTR_VALUE.getBytes();
Files.setAttribute(file, name, valueAsBytes);
byte[] actualAsBytes = (byte[])Files.getAttribute(file, name);
if (!Arrays.equals(valueAsBytes, actualAsBytes))
throw new RuntimeException("Unexpected attribute value");
Map<String,?> map = Files.readAttributes(file, name);
if (!Arrays.equals(valueAsBytes, (byte[])map.get(ATTR_NAME)))
throw new RuntimeException("Unexpected attribute value");
map = Files.readAttributes(file, "user:*");
if (!Arrays.equals(valueAsBytes, (byte[])map.get(ATTR_NAME)))
throw new RuntimeException("Unexpected attribute value");
}
private static void setEA(Path longPath, String s) throws IOException {
System.out.println("Setting short EA '" + s +
"' on path of length " + longPath.toString().length());
Files.setAttribute(longPath, s,
ByteBuffer.wrap("ea-value".getBytes(StandardCharsets.UTF_8)));
}
static void miscTests(final Path dir) throws IOException {
final UserDefinedFileAttributeView view =
Files.getFileAttributeView(dir, UserDefinedFileAttributeView.class);
view.write(ATTR_NAME, ByteBuffer.wrap(ATTR_VALUE.getBytes()));
// NullPointerException
final ByteBuffer buf = ByteBuffer.allocate(100);
expectNullPointerException(new Task() {
public void run() throws IOException {
view.read(null, buf);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
view.read(ATTR_NAME, null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
view.write(null, buf);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
view.write(ATTR_NAME, null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
view.size(null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
view.delete(null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.getAttribute(dir, null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.getAttribute(dir, "user:" + ATTR_NAME, (LinkOption[])null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.setAttribute(dir, "user:" + ATTR_NAME, null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.setAttribute(dir, null, new byte[0]);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.setAttribute(dir, "user: " + ATTR_NAME, new byte[0], (LinkOption[])null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.readAttributes(dir, (String)null);
}});
expectNullPointerException(new Task() {
public void run() throws IOException {
Files.readAttributes(dir, "*", (LinkOption[])null);
}});
// Read-only buffer
tryCatch(IllegalArgumentException.class, new Task() {
public void run() throws IOException {
ByteBuffer buf = ByteBuffer.wrap(ATTR_VALUE.getBytes()).asReadOnlyBuffer();
view.write(ATTR_NAME, buf);
buf.flip();
view.read(ATTR_NAME, buf);
}});
// Zero bytes remaining
tryCatch(IOException.class, new Task() {
public void run() throws IOException {
ByteBuffer buf = buf = ByteBuffer.allocateDirect(100);
buf.position(buf.capacity());
view.read(ATTR_NAME, buf);
}});
// Long attribute name
if (Platform.isWindows()) {
Path tmp = Files.createTempDirectory(dir, "ea-length-bug");
int len = tmp.toString().length();
// We need to run up to MAX_PATH for directories,
// but not quite go over it.
int MAX_PATH = 250;
int requiredLen = MAX_PATH - len - 2;
// Create a really long directory name.
Path longPath = tmp.resolve("x".repeat(requiredLen));
// Make sure the directory exists.
Files.createDirectory(longPath);
try {
System.out.println("Testing " + longPath);
// Try to set absolute path as extended attribute;
// expect IAE
tryCatch(IllegalArgumentException.class, new Task() {
public void run() throws IOException {
setEA(longPath, "user:C:\\");
}
});
// Try to set an extended attribute on it.
setEA(longPath, "user:short");
setEA(longPath, "user:reallyquitelonglongattrname");
} finally {
Files.delete(longPath);
}
}
}
public static void main(String[] args) throws IOException {
// create temporary directory to run tests
Path dir = TestUtil.createTemporaryDirectory();
try {
if (!Files.getFileStore(dir).supportsFileAttributeView("user"))
throw new SkippedException("UserDefinedFileAttributeView not supported");
// test access to user defined attributes of regular file
Path file = dir.resolve("foo.html");
Files.createFile(file);
try {
test(file);
} finally {
Files.delete(file);
}
// test access to user defined attributes of directory
Path subdir = dir.resolve("foo");
Files.createDirectory(subdir);
try {
test(subdir);
} finally {
Files.delete(subdir);
}
// test access to user defined attributes of sym link
if (TestUtil.supportsSymbolicLinks(dir)) {
Path target = dir.resolve("doesnotexist");
Path link = dir.resolve("link");
Files.createSymbolicLink(link, target);
try {
test(link, LinkOption.NOFOLLOW_LINKS);
} catch (IOException x) {
// access to attributes of sym link may not be supported
} finally {
Files.delete(link);
}
}
// misc. tests
try {
file = dir.resolve("foo.txt");
Files.createFile(file);
miscTests(dir);
} finally {
Files.delete(file);
}
} finally {
TestUtil.removeAll(dir);
}
}
}