/*
* Copyright (C) 2007 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 tests.security.permissions;
import dalvik.annotation.AndroidOnly;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargetClass;
import dalvik.system.DexFile;
import junit.framework.TestCase;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.Permission;
import tests.support.Support_ClassLoader;
import tests.support.resource.Support_Resources;
/*
* This class tests the security permissions which are documented in
* http://java.sun.com/j2se/1.5.0/docs/guide/security/permissions.html#PermsAndMethods
* for class java.lang.ClassLoader
*/
@TestTargetClass(java.lang.ClassLoader.class)
public class JavaLangClassLoaderTest extends TestCase {
SecurityManager old;
@Override
protected void setUp() throws Exception {
old = System.getSecurityManager();
super.setUp();
}
@Override
protected void tearDown() throws Exception {
System.setSecurityManager(old);
super.tearDown();
}
@TestTargets({
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that ClassLoader constructor calls checkCreateClassLoader on security manager.",
method = "ClassLoader",
args = {}
),
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that ClassLoader constructor calls checkCreateClassLoader on security manager.",
method = "ClassLoader",
args = {java.lang.ClassLoader.class}
)
})
public void test_ClassLoaderCtor () {
class TestSecurityManager extends SecurityManager {
boolean called;
void reset(){
called = false;
}
@Override
public void checkCreateClassLoader(){
called = true;
}
@Override
public void checkPermission(Permission p) {
}
}
// class MyClassLoader defined package visible constructors
class MyClassLoader extends ClassLoader {
MyClassLoader(){super();}
MyClassLoader(ClassLoader parent){super(parent);}
}
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
ClassLoader c1 = new MyClassLoader();
assertTrue("ClassLoader ctor must call checkCreateClassLoader on security manager", s.called);
s.reset();
ClassLoader c2 = new MyClassLoader(c1);
assertTrue("ClassLoader ctor must call checkCreateClassLoader on security manager", s.called);
}
@TestTargets({
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that ClassLoader.getSystemClassLoader() calls checkPermission on security manager.",
method = "getSystemClassLoader",
args = {}
),
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that ClassLoader.getParent() calls checkPermission on security manager.",
method = "getParent",
args = {}
)
})
@AndroidOnly("uses DexFile")
public void test_getSystemClassLoader () throws IOException,
IllegalAccessException, InstantiationException {
class TestSecurityManager extends SecurityManager {
boolean called;
void reset(){
called = false;
}
@Override
public void checkPermission(Permission permission){
if(permission instanceof RuntimePermission &&
"getClassLoader".equals(permission.getName())){
called = true;
}
}
}
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
File tempFile = Support_Resources.createTempFile(".jar");
tempFile.delete();
tempFile.deleteOnExit();
File tempCache = Support_Resources.createTempFile(".dex");
tempCache.delete();
tempCache.deleteOnExit();
/*
* The testdex.jar contains the following two classes:
*
* package tests.security.permissions.resources;
*
* public class TestClass1 {
*
* public TestClass1() {
* ClassLoader.getSystemClassLoader();
* }
* }
*
* package tests.security.permissions.resources;
*
* public class TestClass2 {
*
* public TestClass2 () {
* getClass().getClassLoader().getParent();
* }
* }
*/
InputStream is = Support_Resources.getResourceStream("testdex.jar");
Support_Resources.copyLocalFileto(tempFile, is);
DexFile dexfile = DexFile.loadDex(tempFile.getAbsolutePath(),
tempCache.getAbsolutePath(), 0);
ClassLoader pcl = Support_ClassLoader.getInstance(
new URL(Support_Resources.getResourceURL("testdex.jar")),
ClassLoader.getSystemClassLoader());
Class<?> testClass = dexfile.loadClass(
"tests/security/permissions/resources/TestClass1", pcl);
assertNotNull("failed to load TestlClass1", testClass);
s.reset();
testClass.newInstance();
assertTrue("ClassLoader.getSystemClassLoader() must call "
+ "checkPermission on security manager", s.called);
testClass = dexfile.loadClass(
"tests/security/permissions/resources/TestClass2", pcl);
assertNotNull("failed to load TestClass2", testClass);
s.reset();
testClass.newInstance();
assertTrue("Method getParent on a class loader must call "
+ "checkPermission on security manager", s.called);
}
}