99 lines
3.7 KiB
Java
99 lines
3.7 KiB
Java
/*
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* Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4313887 6838333
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* @summary Unit test for File.createTemporaryXXX (to be be moved to test/java/io/File)
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* @library ..
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*/
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import java.nio.file.*;
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import static java.nio.file.StandardOpenOption.*;
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import java.nio.file.attribute.*;
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import java.io.File;
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import java.io.IOException;
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import java.util.Set;
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public class TemporaryFiles {
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static void checkInTempDirectory(Path file) {
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Path tmpdir = Paths.get(System.getProperty("java.io.tmpdir"));
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if (!file.getParent().equals(tmpdir))
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throw new RuntimeException("Not in temporary directory");
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}
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static void checkFile(Path file) throws IOException {
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// check file is in temporary directory
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checkInTempDirectory(file);
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// check that file can be opened for reading and writing
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file.newByteChannel(READ).close();
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file.newByteChannel(WRITE).close();
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file.newByteChannel(READ,WRITE).close();
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// check file permissions are 0600 or more secure
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if (file.getFileStore().supportsFileAttributeView("posix")) {
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Set<PosixFilePermission> perms = Attributes
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.readPosixFileAttributes(file).permissions();
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perms.remove(PosixFilePermission.OWNER_READ);
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perms.remove(PosixFilePermission.OWNER_WRITE);
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if (!perms.isEmpty())
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throw new RuntimeException("Temporary file is not secure");
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}
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}
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static void checkDirectory(Path dir) throws IOException {
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// check directory is in temporary directory
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checkInTempDirectory(dir);
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// check directory is empty
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DirectoryStream<Path> stream = dir.newDirectoryStream();
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try {
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if (stream.iterator().hasNext())
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throw new RuntimeException("Tempory directory not empty");
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} finally {
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stream.close();
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}
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// check file permissions are 0700 or more secure
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if (dir.getFileStore().supportsFileAttributeView("posix")) {
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Set<PosixFilePermission> perms = Attributes
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.readPosixFileAttributes(dir).permissions();
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perms.remove(PosixFilePermission.OWNER_READ);
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perms.remove(PosixFilePermission.OWNER_WRITE);
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perms.remove(PosixFilePermission.OWNER_EXECUTE);
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if (!perms.isEmpty())
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throw new RuntimeException("Temporary directory is not secure");
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}
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}
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public static void main(String[] args) throws IOException {
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Path file = File.createTemporaryFile("blah", null).toPath();
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try {
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checkFile(file);
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} finally {
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TestUtil.deleteUnchecked(file);
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}
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}
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}
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