| /* |
| * Copyright (c) 2019, 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 8231254 |
| * @requires os.family == "mac" |
| * @summary Check access and basic NIO APIs on APFS for macOS version >= 10.15 |
| */ |
| import java.io.BufferedReader; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.SeekableByteChannel; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.StandardOpenOption; |
| import java.nio.file.attribute.FileTime; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.Random; |
| |
| public class MacVolumesTest { |
| private static final String SYSTEM_VOLUME = "/"; |
| private static final String DATA_VOLUME = "/System/Volumes/Data"; |
| private static final String FIRMLINKS = "/usr/share/firmlinks"; |
| |
| private static final void checkSystemVolume() throws IOException { |
| System.out.format("--- Checking system volume %s ---%n", SYSTEM_VOLUME); |
| Path root = Path.of(SYSTEM_VOLUME); |
| if (!Files.getFileStore(root).isReadOnly()) { |
| throw new RuntimeException("Root volume is not read-only"); |
| } |
| |
| Path tempDir; |
| try { |
| tempDir = Files.createTempDirectory(root, "tempDir"); |
| throw new RuntimeException("Created temporary directory in root"); |
| } catch (IOException ignore) { |
| } |
| |
| Path tempFile; |
| try { |
| tempFile = Files.createTempFile(root, "tempFile", null); |
| throw new RuntimeException("Created temporary file in root"); |
| } catch (IOException ignore) { |
| } |
| |
| Path path = null; |
| Path etc = Path.of(SYSTEM_VOLUME, "etc"); |
| if (Files.isWritable(etc)) { |
| throw new RuntimeException("System path " + etc + " is writable"); |
| } |
| try (DirectoryStream<Path> ds = Files.newDirectoryStream(etc)) { |
| Iterator<Path> paths = ds.iterator(); |
| while (paths.hasNext()) { |
| Path p = paths.next(); |
| if (Files.isReadable(p) && Files.isRegularFile(p)) { |
| path = p; |
| break; |
| } |
| } |
| } |
| if (path == null) { |
| System.err.println("No root test file found: skipping file test"); |
| return; |
| } |
| System.out.format("Using root test file %s%n", path); |
| |
| if (Files.isWritable(path)) { |
| throw new RuntimeException("Test file " + path + " is writable"); |
| } |
| |
| FileTime creationTime = |
| (FileTime)Files.getAttribute(path, "basic:creationTime"); |
| System.out.format("%s creation time: %s%n", path, creationTime); |
| |
| long size = Files.size(path); |
| int capacity = (int)Math.min(1024, size); |
| ByteBuffer buf = ByteBuffer.allocate(capacity); |
| try (SeekableByteChannel sbc = Files.newByteChannel(path)) { |
| int n = sbc.read(buf); |
| System.out.format("Read %d bytes from %s%n", n, path); |
| } |
| } |
| |
| private static final void checkDataVolume() throws IOException { |
| System.out.format("--- Checking data volume %s ---%n", DATA_VOLUME); |
| Path data = Path.of(DATA_VOLUME, "private", "tmp"); |
| if (Files.getFileStore(data).isReadOnly()) { |
| throw new RuntimeException("Data volume is read-only"); |
| } |
| |
| Path tempDir = Files.createTempDirectory(data, "tempDir"); |
| tempDir.toFile().deleteOnExit(); |
| System.out.format("Temporary directory: %s%n", tempDir); |
| if (!Files.isWritable(tempDir)) { |
| throw new RuntimeException("Temporary directory is not writable"); |
| } |
| |
| Path tempFile = Files.createTempFile(tempDir, "tempFile", null); |
| tempFile.toFile().deleteOnExit(); |
| System.out.format("Temporary file: %s%n", tempFile); |
| if (!Files.isWritable(tempFile)) { |
| throw new RuntimeException("Temporary file is not writable"); |
| } |
| |
| byte[] bytes = new byte[42]; |
| new Random().nextBytes(bytes); |
| try (SeekableByteChannel sbc = Files.newByteChannel(tempFile, |
| StandardOpenOption.WRITE)) { |
| ByteBuffer src = ByteBuffer.wrap(bytes); |
| if (sbc.write(src) != bytes.length) { |
| throw new RuntimeException("Incorrect number of bytes written"); |
| } |
| } |
| |
| try (SeekableByteChannel sbc = Files.newByteChannel(tempFile)) { |
| ByteBuffer dst = ByteBuffer.allocate(bytes.length); |
| if (sbc.read(dst) != bytes.length) { |
| throw new RuntimeException("Incorrect number of bytes read"); |
| } |
| if (!Arrays.equals(dst.array(), bytes)) { |
| throw new RuntimeException("Bytes read != bytes written"); |
| } |
| } |
| } |
| |
| static void checkFirmlinks() throws IOException { |
| System.out.format("--- Checking firmlinks %s ---%n", FIRMLINKS); |
| Path firmlinks = Path.of(FIRMLINKS); |
| if (!Files.exists(firmlinks)) { |
| System.err.format("%s does not exist: skipping firmlinks test%n", |
| firmlinks); |
| return; |
| } else if (!Files.isReadable(firmlinks)) { |
| throw new RuntimeException(String.format("%s is not readable", |
| firmlinks)); |
| } |
| |
| try (BufferedReader br = Files.newBufferedReader(firmlinks)) { |
| String line; |
| while ((line = br.readLine()) != null) { |
| String file = line.split("\\s")[0]; |
| Path path = Path.of(file); |
| if (!Files.exists(path)) { |
| System.err.format("Firmlink %s does not exist: skipping%n", |
| file); |
| continue; |
| } |
| if (Files.getFileStore(path).isReadOnly()) { |
| String msg = String.format("%s is read-only%n", file); |
| throw new RuntimeException(msg); |
| } else { |
| System.out.format("Firmlink %s OK%n", file); |
| } |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| String[] osv = System.getProperty("os.version").split("\\."); |
| int major = Integer.valueOf(osv[0]); |
| int minor = Integer.valueOf(osv[1]); |
| if (major < 10 || (major == 10 && minor < 15)) { |
| System.out.format("macOS version %d.%d too old: skipping test%n", |
| major, minor); |
| return; |
| } |
| |
| // Check system volume for read-only. |
| checkSystemVolume(); |
| |
| // Check data volume for read-write. |
| checkDataVolume(); |
| |
| // Check firmlinks for read-write. |
| checkFirmlinks(); |
| } |
| } |