151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 22c87ad3a45cecf9e344487cad1abfdebe79f2c7cNarayan Kamath * Copyright (C) 2014 The Android Open Source Project 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (c) 2005, 2013 Oracle and/or its affiliates. All rights reserved. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipackage sun.reflect.misc; 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Proxy; 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipublic final class ReflectUtil { 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ReflectUtil() { 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 3551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 36d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer public static Class<?> forName(String name) 3751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws ClassNotFoundException { 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkPackageAccess(name); 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return Class.forName(name); 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 42d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer public static Object newInstance(Class<?> cls) 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InstantiationException, IllegalAccessException { 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkPackageAccess(cls); 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cls.newInstance(); 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 48d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Android-removed: Dead code: Unused method ensureMemberAccess() 49d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer 50d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer private static boolean isSubclassOf(Class<?> queryClass, 51d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer Class<?> ofClass) 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (queryClass != null) { 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (queryClass == ofClass) { 5551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 5651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski queryClass = queryClass.getSuperclass(); 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 6051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 62d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Android-removed: Dead code: Unused method conservativeCheckMemberAccess() 63d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Checks package access on the given class. 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If it is a {@link Proxy#isProxyClass(java.lang.Class)} that implements 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * a non-public interface (i.e. may be in a non-restricted package), 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * also check the package access on the proxy interfaces. 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static void checkPackageAccess(Class<?> clazz) { 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkPackageAccess(clazz.getName()); 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isNonPublicProxyClass(clazz)) { 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkProxyPackageAccess(clazz); 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Checks package access on the given classname. 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This method is typically called when the Class instance is not 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * available and the caller attempts to load a class on behalf 8251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the true caller (application). 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static void checkPackageAccess(String name) { 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski SecurityManager s = System.getSecurityManager(); 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (s != null) { 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String cname = name.replace('/', '.'); 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cname.startsWith("[")) { 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int b = cname.lastIndexOf('[') + 2; 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (b > 1 && b < cname.length()) { 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cname = cname.substring(b); 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int i = cname.lastIndexOf('.'); 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (i != -1) { 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski s.checkPackageAccess(cname.substring(0, i)); 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 10051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 101d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer public static boolean isPackageAccessible(Class<?> clazz) { 10251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 10351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkPackageAccess(clazz); 10451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (SecurityException e) { 10551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 10651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 10751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 10851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 10951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 11051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // Returns true if p is an ancestor of cl i.e. class loader 'p' can 11151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // be found in the cl's delegation chain 11251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static boolean isAncestor(ClassLoader p, ClassLoader cl) { 11351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassLoader acl = cl; 11451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski do { 11551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski acl = acl.getParent(); 11651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (p == acl) { 11751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 11851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } while (acl != null); 12051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 12151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 12251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 12351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 12451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if package access check is needed for reflective 12551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * access from a class loader 'from' to classes or members in 12651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * a class defined by class loader 'to'. This method returns true 12751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if 'from' is not the same as or an ancestor of 'to'. All code 12851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * in a system domain are granted with all permission and so this 12951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method returns false if 'from' class loader is a class loader 13051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * loading system classes. On the other hand, if a class loader 13151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * attempts to access system domain classes, it requires package 13251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * access check and this method will return true. 13351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 13451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static boolean needsPackageAccessCheck(ClassLoader from, ClassLoader to) { 13551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (from == null || from == to) 13651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 13751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 13851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (to == null) 13951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 14051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return !isAncestor(from, to); 14251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 14351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 14551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Check package access on the proxy interfaces that the given proxy class 14651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * implements. 14751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param clazz Proxy class object 14951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 15051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static void checkProxyPackageAccess(Class<?> clazz) { 15151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski SecurityManager s = System.getSecurityManager(); 15251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (s != null) { 15351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check proxy interfaces if the given class is a proxy class 15451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (Proxy.isProxyClass(clazz)) { 15551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (Class<?> intf : clazz.getInterfaces()) { 15651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkPackageAccess(intf); 15751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 15851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 15951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 16051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 16151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 16251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 16351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Access check on the interfaces that a proxy class implements and throw 16451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code SecurityException} if it accesses a restricted package from 16551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the caller's class loader. 16651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 16751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param ccl the caller's class loader 16851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param interfaces the list of interfaces that a proxy class implements 16951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 17051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static void checkProxyPackageAccess(ClassLoader ccl, 17151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?>... interfaces) 17251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 17351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski SecurityManager sm = System.getSecurityManager(); 17451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (sm != null) { 17551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (Class<?> intf : interfaces) { 17651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassLoader cl = intf.getClassLoader(); 17751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (needsPackageAccessCheck(ccl, cl)) { 17851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkPackageAccess(intf); 17951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 18051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 18151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 18251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 18351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 184d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Android-changed: Proxy classes are generated in the default package on Android. 185d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer /* 186d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Note that bytecode instrumentation tools may exclude 'sun.*' 187d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // classes but not generated proxy classes and so keep it in com.sun.* 188d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer public static final String PROXY_PACKAGE = "com.sun.proxy"; 189d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer */ 190d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer 19151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 19251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Test if the given class is a proxy class that implements 19351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-public interface. Such proxy class may be in a non-restricted 19451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * package that bypasses checkPackageAccess. 19551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 19651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static boolean isNonPublicProxyClass(Class<?> cls) { 19751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String name = cls.getName(); 19851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int i = name.lastIndexOf('.'); 19951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String pkg = (i != -1) ? name.substring(0, i) : ""; 200d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Android-changed: Proxy classes are generated in the default package on Android. 201d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // The use of the default package (as opposed to com.sun.proxy) makes this check 202d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // imprecise. However, this function is only ever called if there's 203d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // a security manager installed (which is the never case on Android). 204d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // return Proxy.isProxyClass(cls) && !pkg.equals(PROXY_PACKAGE); 205499346040d83c7103a67e776ae59b8057ce38aaaNarayan Kamath return Proxy.isProxyClass(cls) && !pkg.isEmpty(); 20651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 207d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer 208d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Android-removed: Dead code: unused method checkProxyMethod() 209d5befe0dcdac0d57045e0a25fc794a2512704848Tobias Thierer // Android-removed: Dead code: unused method isVMAnonymousClass() 21051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 211