Repository: hadoop Updated Branches: refs/heads/branch-2 09fbbff69 -> 6d7d192e4
Additional check when unpacking archives. Contributed by Wilfred Spiegelenburg. (cherry picked from commit 65e55097da2bb3f2fbdf9ba1946da25fe58bec98) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/6d7d192e Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/6d7d192e Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/6d7d192e Branch: refs/heads/branch-2 Commit: 6d7d192e4799b51931e55217e02baec14d49607b Parents: 09fbbff Author: Kihwal Lee <kih...@apache.org> Authored: Tue May 29 14:32:58 2018 -0500 Committer: Kihwal Lee <kih...@apache.org> Committed: Tue May 29 14:33:31 2018 -0500 ---------------------------------------------------------------------- .../java/org/apache/hadoop/util/RunJar.java | 5 +++ .../java/org/apache/hadoop/util/TestRunJar.java | 36 ++++++++++++++++++++ 2 files changed, 41 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/6d7d192e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java index 19b51ad..678e459 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java @@ -109,6 +109,7 @@ public class RunJar { throws IOException { try (JarFile jar = new JarFile(jarFile)) { int numOfFailedLastModifiedSet = 0; + String targetDirPath = toDir.getCanonicalPath() + File.separator; Enumeration<JarEntry> entries = jar.entries(); while (entries.hasMoreElements()) { final JarEntry entry = entries.nextElement(); @@ -117,6 +118,10 @@ public class RunJar { try (InputStream in = jar.getInputStream(entry)) { File file = new File(toDir, entry.getName()); ensureDirectory(file.getParentFile()); + if (!file.getCanonicalPath().startsWith(targetDirPath)) { + throw new IOException("expanding " + entry.getName() + + " would create file outside of " + toDir); + } try (OutputStream out = new FileOutputStream(file)) { IOUtils.copyBytes(in, out, BUFFER_SIZE); } http://git-wip-us.apache.org/repos/asf/hadoop/blob/6d7d192e/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java index 7b61b32..cb2cfa8 100644 --- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java +++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java @@ -20,12 +20,15 @@ package org.apache.hadoop.util; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; import static org.mockito.Mockito.spy; import static org.mockito.Mockito.when; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.util.jar.JarEntry; import java.util.jar.JarOutputStream; import java.util.regex.Pattern; import java.util.zip.ZipEntry; @@ -165,4 +168,37 @@ public class TestRunJar { runJar.run(args); // it should not throw an exception } + + @Test + public void testUnJar2() throws IOException { + // make a simple zip + File jarFile = new File(TEST_ROOT_DIR, TEST_JAR_NAME); + JarOutputStream jstream = + new JarOutputStream(new FileOutputStream(jarFile)); + JarEntry je = new JarEntry("META-INF/MANIFEST.MF"); + byte[] data = "Manifest-Version: 1.0\nCreated-By: 1.8.0_1 (Manual)" + .getBytes(StandardCharsets.UTF_8); + je.setSize(data.length); + jstream.putNextEntry(je); + jstream.write(data); + jstream.closeEntry(); + je = new JarEntry("../outside.path"); + data = "any data here".getBytes(StandardCharsets.UTF_8); + je.setSize(data.length); + jstream.putNextEntry(je); + jstream.write(data); + jstream.closeEntry(); + jstream.close(); + + File unjarDir = getUnjarDir("unjar-path"); + + // Unjar everything + try { + RunJar.unJar(jarFile, unjarDir); + fail("unJar should throw IOException."); + } catch (IOException e) { + GenericTestUtils.assertExceptionContains( + "would create file outside of", e); + } + } } \ No newline at end of file --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
