| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| package org.apache.logging.log4j.core.appender; |
| |
| import org.apache.commons.lang3.SystemUtils; |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.core.Layout; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.impl.Log4jLogEvent; |
| import org.apache.logging.log4j.core.layout.PatternLayout; |
| import org.apache.logging.log4j.core.util.FileUtils; |
| import org.apache.logging.log4j.test.junit.CleanUpDirectories; |
| import org.apache.logging.log4j.core.junit.LoggerContextSource; |
| import org.apache.logging.log4j.message.SimpleMessage; |
| import org.apache.logging.log4j.spi.ExtendedLogger; |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.params.ParameterizedTest; |
| import org.junit.jupiter.params.provider.CsvSource; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.nio.file.attribute.PosixFileAttributes; |
| import java.nio.file.attribute.PosixFilePermissions; |
| import java.util.stream.Stream; |
| |
| import static org.apache.logging.log4j.util.Unbox.box; |
| import static org.junit.jupiter.api.Assertions.*; |
| import static org.junit.jupiter.api.Assumptions.assumeTrue; |
| |
| /** |
| * Tests {@link FileAppender}. |
| */ |
| @CleanUpDirectories(FileAppenderPermissionsTest.DIR) |
| public class FileAppenderPermissionsTest { |
| |
| static final String DIR = "target/permissions1"; |
| |
| @BeforeAll |
| public static void beforeClass() { |
| System.setProperty("log4j2.debug", "true"); |
| assumeTrue(FileUtils.isFilePosixAttributeViewSupported()); |
| } |
| |
| @ParameterizedTest |
| @CsvSource({ "rwxrwxrwx,true,2", "rw-r--r--,false,3", "rw-------,true,4", "rw-rw----,false,5" }) |
| public void testFilePermissionsAPI(final String filePermissions, final boolean createOnDemand, final int fileIndex) |
| throws Exception { |
| final File file = new File(DIR, "AppenderTest-" + fileIndex + ".log"); |
| final Path path = file.toPath(); |
| final Layout<String> layout = PatternLayout.newBuilder().setPattern(PatternLayout.SIMPLE_CONVERSION_PATTERN) |
| .build(); |
| // @formatter:off |
| final FileAppender appender = FileAppender.newBuilder() |
| .setFileName(file.getAbsolutePath()) |
| .setName("test") |
| .setImmediateFlush(false) |
| .setIgnoreExceptions(false) |
| .setBufferedIo(false) |
| .setBufferSize(1) |
| .setLayout(layout) |
| .setCreateOnDemand(createOnDemand) |
| .setFilePermissions(filePermissions) |
| .build(); |
| // @formatter:on |
| try { |
| appender.start(); |
| assertTrue(appender.isStarted(), "Appender did not start"); |
| assertNotEquals(createOnDemand, Files.exists(path)); |
| long curLen = file.length(); |
| long prevLen = curLen; |
| assertEquals(curLen, 0, "File length: " + curLen); |
| for (int i = 0; i < 100; ++i) { |
| final LogEvent event = Log4jLogEvent.newBuilder().setLoggerName("TestLogger") // |
| .setLoggerFqcn(FileAppenderPermissionsTest.class.getName()).setLevel(Level.INFO) // |
| .setMessage(new SimpleMessage("Test")).setThreadName(this.getClass().getSimpleName()) // |
| .setTimeMillis(System.currentTimeMillis()).build(); |
| try { |
| appender.append(event); |
| curLen = file.length(); |
| assertTrue(curLen > prevLen, "File length: " + curLen); |
| // Give up control long enough for another thread/process to occasionally do something. |
| Thread.sleep(25); |
| } catch (final Exception ex) { |
| throw ex; |
| } |
| prevLen = curLen; |
| } |
| assertEquals(filePermissions, PosixFilePermissions.toString(Files.getPosixFilePermissions(path))); |
| } finally { |
| appender.stop(); |
| } |
| assertFalse(appender.isStarted(), "Appender did not stop"); |
| } |
| |
| @ParameterizedTest |
| @CsvSource({ "rwxrwxrwx,2", "rw-r--r--,3", "rw-------,4", "rw-rw----,5" }) |
| public void testFileUserGroupAPI(final String filePermissions, final int fileIndex) |
| throws Exception { |
| final File file = new File(DIR, "AppenderTest-" + (1000 + fileIndex) + ".log"); |
| final Path path = file.toPath(); |
| final String user = findAUser(); |
| assertNotNull(user); |
| final String group = findAGroup(user); |
| assertNotNull(group); |
| |
| final Layout<String> layout = PatternLayout.newBuilder().setPattern(PatternLayout.SIMPLE_CONVERSION_PATTERN) |
| .build(); |
| // @formatter:off |
| final FileAppender appender = FileAppender.newBuilder() |
| .setFileName(file.getAbsolutePath()) |
| .setName("test") |
| .setImmediateFlush(true) |
| .setIgnoreExceptions(false) |
| .setBufferedIo(false) |
| .setBufferSize(1) |
| .setLayout(layout) |
| .setFilePermissions(filePermissions) |
| .setFileOwner(user) |
| .setFileGroup(group) |
| .build(); |
| // @formatter:on |
| try { |
| appender.start(); |
| assertTrue(appender.isStarted(), "Appender did not start"); |
| long curLen = file.length(); |
| long prevLen = curLen; |
| assertEquals(curLen, 0, file + " File length: " + curLen); |
| for (int i = 0; i < 100; ++i) { |
| final LogEvent event = Log4jLogEvent.newBuilder().setLoggerName("TestLogger") // |
| .setLoggerFqcn(FileAppenderPermissionsTest.class.getName()).setLevel(Level.INFO) // |
| .setMessage(new SimpleMessage("Test")).setThreadName(this.getClass().getSimpleName()) // |
| .setTimeMillis(System.currentTimeMillis()).build(); |
| try { |
| appender.append(event); |
| curLen = file.length(); |
| assertTrue(curLen > prevLen, "File length: " + curLen); |
| // Give up control long enough for another thread/process to occasionally do something. |
| Thread.sleep(25); |
| } catch (final Exception ex) { |
| throw ex; |
| } |
| prevLen = curLen; |
| } |
| assertEquals(filePermissions, PosixFilePermissions.toString(Files.getPosixFilePermissions(path))); |
| assertEquals(user, Files.getOwner(path).getName()); |
| assertEquals(group, Files.readAttributes(path, PosixFileAttributes.class).group().getName()); |
| } finally { |
| appender.stop(); |
| } |
| assertFalse(appender.isStarted(), "Appender did not stop"); |
| } |
| |
| @Test |
| @LoggerContextSource(value = "log4j-posix.xml", timeout = 10) |
| void testFilePermissions(final LoggerContext context) throws IOException { |
| final ExtendedLogger logger = context.getLogger(getClass()); |
| for (int i = 0; i < 1000; i++) { |
| logger.debug("This is test message number {}", box(i)); |
| } |
| final String permissions = PosixFilePermissions.toString( |
| Files.getPosixFilePermissions(Paths.get("target/permissions1/AppenderTest-1.log"))); |
| assertEquals("rw-------", permissions); |
| } |
| |
| public static String findAGroup(final String user) throws IOException { |
| if (SystemUtils.IS_OS_MAC_OSX) { |
| return "staff"; |
| } |
| try (final Stream<String> lines = Files.lines(Paths.get("/etc/group"))) { |
| return lines.filter(group -> !group.startsWith(user) && group.contains(user)) |
| .map(group -> group.substring(0, group.indexOf(':'))) |
| .findAny() |
| .orElse(user); |
| } |
| } |
| |
| private static String findAUser() throws IOException { |
| // On jenkins build within ubuntu, it is not possible to chmod to another user |
| return System.getProperty("user.name"); |
| } |
| |
| |
| } |