| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed 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 libcore.dalvik.system; |
| |
| import dalvik.system.PathClassLoader; |
| import java.lang.reflect.Method; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.security.CodeSigner; |
| import java.security.cert.Certificate; |
| import java.util.Enumeration; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.zip.ZipFile; |
| |
| import libcore.io.Streams; |
| import tests.support.resource.Support_Resources; |
| |
| import junit.framework.TestCase; |
| |
| public final class PathClassLoaderTest extends TestCase { |
| |
| /** |
| * Make sure we're searching the application library path first. |
| * http://b/issue?id=2933456 |
| */ |
| public void testLibraryPathSearchOrder() throws IOException { |
| File tmp = new File(System.getProperty("java.io.tmpdir")); |
| File systemLibPath = new File(tmp, "systemLibPath"); |
| File applicationLibPath = new File(tmp, "applicationLibPath"); |
| makeTempFile(systemLibPath, "libduplicated.so"); |
| File applicationLib = makeTempFile(applicationLibPath, "libduplicated.so"); |
| |
| System.setProperty("java.library.path", systemLibPath.toString()); |
| PathClassLoader pathClassLoader = new PathClassLoader(applicationLibPath.toString(), |
| applicationLibPath.toString(), getClass().getClassLoader()); |
| |
| String path = pathClassLoader.findLibrary("duplicated"); |
| assertEquals(applicationLib.toString(), path); |
| } |
| |
| private File makeTempFile(File directory, String name) throws IOException { |
| directory.mkdirs(); |
| File result = new File(directory, name); |
| FileOutputStream stream = new FileOutputStream(result); |
| stream.close(); |
| assertTrue(result.exists()); |
| return result; |
| } |
| |
| public void testAppUseOfPathClassLoader() throws Exception { |
| // Extract loading-test.jar from the resource. |
| ClassLoader pcl = PathClassLoaderTest.class.getClassLoader(); |
| File jar = File.createTempFile("loading-test", ".jar"); |
| try (InputStream in = pcl.getResourceAsStream("dalvik/system/loading-test.jar"); |
| FileOutputStream out = new FileOutputStream(jar)) { |
| Streams.copy(in, out); |
| } |
| |
| // Execute code from the jar file using a PathClassLoader. |
| PathClassLoader cl = new PathClassLoader(jar.getPath(), pcl); |
| Class c = cl.loadClass("test.Test1"); |
| Method m = c.getMethod("test", (Class[]) null); |
| String result = (String) m.invoke(null, (Object[]) null); |
| assertSame("blort", result); |
| |
| // Clean up the extracted jar file. |
| assertTrue(jar.delete()); |
| } |
| |
| public void test_classLoader_tampered_certificate_loadsOK_nullCertificates() throws Exception { |
| File resources = Support_Resources.createTempFolder(); |
| String jar = "hyts_signed_wrong_cert.jar"; |
| String signedEntryName = "coucou/FileAccess.class"; |
| Support_Resources.copyFile(resources, null, jar); |
| File f = new File(resources, jar); |
| PathClassLoader pcl = new PathClassLoader( |
| f.getAbsolutePath(), this.getClass().getClassLoader()); |
| InputStream is = pcl.getResourceAsStream(signedEntryName); |
| |
| // We can read all the bytes in the resource despite META-INF/TEST.DSA being malformed |
| // (lacking first byte compared to the one in hyts_signed.jar, see |
| // {@link org.apache.harmony.tests.java.util.jar.JarFileTest} |
| while (is.available() > 0) { |
| is.read(); |
| } |
| |
| JarFile jarFile = new JarFile(f, true /* verify */, ZipFile.OPEN_READ); |
| try { |
| JarEntry signedEntry = (JarEntry) jarFile.getEntry(signedEntryName); |
| assertNotNull(signedEntry); |
| // Check we return null for the certificates and signers. |
| assertNull(signedEntry.getCertificates()); |
| assertNull(signedEntry.getCodeSigners()); |
| } finally { |
| jarFile.close(); |
| } |
| } |
| |
| @Override protected void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| @Override protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| } |