| /* |
| * Copyright (c) 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 8017212 |
| * @summary Examine methods in File.java that access the file system do the |
| * right permission check when a security manager exists. |
| * @author Dan Xu |
| */ |
| |
| import java.io.File; |
| import java.io.FilenameFilter; |
| import java.io.FileFilter; |
| import java.io.IOException; |
| import java.security.Permission; |
| import java.util.ArrayList; |
| import java.util.EnumMap; |
| import java.util.EnumSet; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class CheckPermission { |
| |
| private static final String CHECK_PERMISSION_TEST = "CheckPermissionTest"; |
| |
| public enum FileOperation { |
| READ, WRITE, DELETE, EXEC |
| } |
| |
| static class Checks { |
| private List<Permission> permissionsChecked = new ArrayList<>(); |
| private Set<String> propertiesChecked = new HashSet<>(); |
| |
| private Map<FileOperation, List<String>> fileOperationChecked = |
| new EnumMap<>(FileOperation.class); |
| |
| List<Permission> permissionsChecked() { |
| return permissionsChecked; |
| } |
| |
| Set<String> propertiesChecked() { |
| return propertiesChecked; |
| } |
| |
| List<String> fileOperationChecked(FileOperation op) { |
| return fileOperationChecked.get(op); |
| } |
| |
| void addFileOperation(FileOperation op, String file) { |
| List<String> opList = fileOperationChecked.get(op); |
| if (opList == null) { |
| opList = new ArrayList<>(); |
| fileOperationChecked.put(op, opList); |
| } |
| opList.add(file); |
| } |
| } |
| |
| static ThreadLocal<Checks> myChecks = new ThreadLocal<>(); |
| |
| static void prepare() { |
| myChecks.set(new Checks()); |
| } |
| |
| static class LoggingSecurityManager extends SecurityManager { |
| static void install() { |
| System.setSecurityManager(new LoggingSecurityManager()); |
| } |
| |
| private void checkFileOperation(FileOperation op, String file) { |
| Checks checks = myChecks.get(); |
| if (checks != null) |
| checks.addFileOperation(op, file); |
| } |
| |
| @Override |
| public void checkRead(String file) { |
| checkFileOperation(FileOperation.READ, file); |
| } |
| |
| @Override |
| public void checkWrite(String file) { |
| checkFileOperation(FileOperation.WRITE, file); |
| } |
| |
| @Override |
| public void checkDelete(String file) { |
| checkFileOperation(FileOperation.DELETE, file); |
| } |
| |
| @Override |
| public void checkExec(String file) { |
| checkFileOperation(FileOperation.EXEC, file); |
| } |
| |
| @Override |
| public void checkPermission(Permission perm) { |
| Checks checks = myChecks.get(); |
| if (checks != null) |
| checks.permissionsChecked().add(perm); |
| } |
| |
| @Override |
| public void checkPropertyAccess(String key) { |
| Checks checks = myChecks.get(); |
| if (checks != null) |
| checks.propertiesChecked().add(key); |
| } |
| } |
| |
| static void assertCheckPermission(Class<? extends Permission> type, |
| String name) |
| { |
| for (Permission perm : myChecks.get().permissionsChecked()) { |
| if (type.isInstance(perm) && perm.getName().equals(name)) |
| return; |
| } |
| throw new RuntimeException(type.getName() + "(\"" + name |
| + "\") not checked"); |
| } |
| |
| static void assertCheckPropertyAccess(String key) { |
| if (!myChecks.get().propertiesChecked().contains(key)) |
| throw new RuntimeException("Property " + key + " not checked"); |
| } |
| |
| static void assertChecked(File file, List<String> list) { |
| if (list != null && !list.isEmpty()) { |
| for (String path : list) { |
| if (path.equals(file.getPath())) |
| return; |
| } |
| } |
| throw new RuntimeException("Access not checked"); |
| } |
| |
| static void assertNotChecked(File file, List<String> list) { |
| if (list != null && !list.isEmpty()) { |
| for (String path : list) { |
| if (path.equals(file.getPath())) |
| throw new RuntimeException("Access checked"); |
| } |
| } |
| } |
| |
| static void assertCheckOperation(File file, Set<FileOperation> ops) { |
| for (FileOperation op : ops) |
| assertChecked(file, myChecks.get().fileOperationChecked(op)); |
| } |
| |
| static void assertNotCheckOperation(File file, Set<FileOperation> ops) { |
| for (FileOperation op : ops) |
| assertNotChecked(file, myChecks.get().fileOperationChecked(op)); |
| } |
| |
| static void assertOnlyCheckOperation(File file, |
| EnumSet<FileOperation> ops) |
| { |
| assertCheckOperation(file, ops); |
| assertNotCheckOperation(file, EnumSet.complementOf(ops)); |
| } |
| |
| static File testFile, another; |
| |
| static void setup() { |
| testFile = new File(CHECK_PERMISSION_TEST + System.currentTimeMillis()); |
| if (testFile.exists()) { |
| testFile.delete(); |
| } |
| |
| another = new File(CHECK_PERMISSION_TEST + "Another" |
| + System.currentTimeMillis()); |
| if (another.exists()) { |
| another.delete(); |
| } |
| |
| LoggingSecurityManager.install(); |
| } |
| |
| public static void main(String[] args) throws IOException { |
| setup(); |
| |
| prepare(); |
| testFile.canRead(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.canWrite(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.exists(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.isDirectory(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.isFile(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.isHidden(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.lastModified(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.length(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.createNewFile(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.list(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.list(new FilenameFilter() { |
| @Override |
| public boolean accept(File dir, String name) { |
| return false; |
| } |
| }); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.listFiles(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.listFiles(new FilenameFilter() { |
| @Override |
| public boolean accept(File dir, String name) { |
| return false; |
| } |
| }); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.listFiles(new FileFilter() { |
| @Override |
| public boolean accept(File file) { |
| return false; |
| } |
| }); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| |
| prepare(); |
| testFile.mkdir(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| if (testFile.exists()) { |
| prepare(); |
| testFile.mkdirs(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| } |
| |
| if (!another.exists()) { |
| prepare(); |
| another.mkdirs(); |
| assertOnlyCheckOperation(another, |
| EnumSet.of(FileOperation.READ, FileOperation.WRITE)); |
| } |
| |
| prepare(); |
| another.delete(); |
| assertOnlyCheckOperation(another, EnumSet.of(FileOperation.DELETE)); |
| |
| prepare(); |
| boolean renRst = testFile.renameTo(another); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| assertOnlyCheckOperation(another, EnumSet.of(FileOperation.WRITE)); |
| |
| if (renRst) { |
| if (testFile.exists()) |
| throw new RuntimeException(testFile + " is already renamed to " |
| + another); |
| testFile = another; |
| } |
| |
| prepare(); |
| testFile.setLastModified(0); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setReadOnly(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setWritable(true, true); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setWritable(true); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setReadable(true, true); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setReadable(true); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setExecutable(true, true); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.setExecutable(true); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.WRITE)); |
| |
| prepare(); |
| testFile.canExecute(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.EXEC)); |
| |
| prepare(); |
| testFile.getTotalSpace(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| assertCheckPermission(RuntimePermission.class, |
| "getFileSystemAttributes"); |
| |
| prepare(); |
| testFile.getFreeSpace(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| assertCheckPermission(RuntimePermission.class, |
| "getFileSystemAttributes"); |
| |
| prepare(); |
| testFile.getUsableSpace(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.READ)); |
| assertCheckPermission(RuntimePermission.class, |
| "getFileSystemAttributes"); |
| |
| prepare(); |
| File tmpFile = File.createTempFile(CHECK_PERMISSION_TEST, null); |
| assertOnlyCheckOperation(tmpFile, EnumSet.of(FileOperation.WRITE)); |
| tmpFile.delete(); |
| assertCheckOperation(tmpFile, EnumSet.of(FileOperation.DELETE)); |
| |
| prepare(); |
| tmpFile = File.createTempFile(CHECK_PERMISSION_TEST, null, null); |
| assertOnlyCheckOperation(tmpFile, EnumSet.of(FileOperation.WRITE)); |
| tmpFile.delete(); |
| assertCheckOperation(tmpFile, EnumSet.of(FileOperation.DELETE)); |
| |
| prepare(); |
| testFile.deleteOnExit(); |
| assertOnlyCheckOperation(testFile, EnumSet.of(FileOperation.DELETE)); |
| } |
| } |