/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.lang.reflect.InvocationTargetException;
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public class Linking {
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public static boolean canAccess(String className, boolean takesParameter) throws Exception {
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try {
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Class<?> c = Class.forName(className);
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if (takesParameter) {
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c.getDeclaredMethod("access", Integer.TYPE).invoke(null, 42);
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} else {
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c.getDeclaredMethod("access").invoke(null);
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}
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return true;
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} catch (InvocationTargetException ex) {
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if (ex.getCause() instanceof NoSuchFieldError || ex.getCause() instanceof NoSuchMethodError) {
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return false;
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} else {
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throw ex;
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}
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}
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}
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}
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// INSTANCE FIELD GET
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class LinkFieldGetWhitelist {
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public static int access() {
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return new ParentClass().fieldPublicWhitelist;
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}
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}
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class LinkFieldGetLightGreylist {
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public static int access() {
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return new ParentClass().fieldPublicLightGreylist;
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}
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}
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class LinkFieldGetDarkGreylist {
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public static int access() {
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return new ParentClass().fieldPublicDarkGreylist;
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}
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}
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class LinkFieldGetBlacklist {
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public static int access() {
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return new ParentClass().fieldPublicBlacklist;
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}
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}
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class LinkFieldGetBlacklistAndCorePlatformApi {
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public static int access() {
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return new ParentClass().fieldPublicBlacklistAndCorePlatformApi;
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}
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}
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// INSTANCE FIELD SET
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class LinkFieldSetWhitelist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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new ParentClass().fieldPublicWhitelistB = x;
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}
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}
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class LinkFieldSetLightGreylist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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new ParentClass().fieldPublicLightGreylistB = x;
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}
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}
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class LinkFieldSetDarkGreylist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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new ParentClass().fieldPublicDarkGreylistB = x;
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}
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}
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class LinkFieldSetBlacklist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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new ParentClass().fieldPublicBlacklistB = x;
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}
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}
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class LinkFieldSetBlacklistAndCorePlatformApi {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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new ParentClass().fieldPublicBlacklistAndCorePlatformApiB = x;
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}
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}
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// STATIC FIELD GET
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class LinkFieldGetStaticWhitelist {
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public static int access() {
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return ParentClass.fieldPublicStaticWhitelist;
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}
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}
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class LinkFieldGetStaticLightGreylist {
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public static int access() {
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return ParentClass.fieldPublicStaticLightGreylist;
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}
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}
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class LinkFieldGetStaticDarkGreylist {
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public static int access() {
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return ParentClass.fieldPublicStaticDarkGreylist;
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}
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}
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class LinkFieldGetStaticBlacklist {
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public static int access() {
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return ParentClass.fieldPublicStaticBlacklist;
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}
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}
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class LinkFieldGetStaticBlacklistAndCorePlatformApi {
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public static int access() {
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return ParentClass.fieldPublicStaticBlacklistAndCorePlatformApi;
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}
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}
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// STATIC FIELD SET
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class LinkFieldSetStaticWhitelist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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ParentClass.fieldPublicStaticWhitelistB = x;
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}
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}
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class LinkFieldSetStaticLightGreylist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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ParentClass.fieldPublicStaticLightGreylistB = x;
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}
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}
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class LinkFieldSetStaticDarkGreylist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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ParentClass.fieldPublicStaticDarkGreylistB = x;
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}
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}
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class LinkFieldSetStaticBlacklist {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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ParentClass.fieldPublicStaticBlacklistB = x;
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}
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}
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class LinkFieldSetStaticBlacklistAndCorePlatformApi {
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public static void access(int x) {
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// Need to use a different field from the getter to bypass DexCache.
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ParentClass.fieldPublicStaticBlacklistAndCorePlatformApiB = x;
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}
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}
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// INVOKE INSTANCE METHOD
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class LinkMethodWhitelist {
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public static int access() {
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return new ParentClass().methodPublicWhitelist();
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}
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}
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class LinkMethodLightGreylist {
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public static int access() {
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return new ParentClass().methodPublicLightGreylist();
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}
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}
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class LinkMethodDarkGreylist {
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public static int access() {
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return new ParentClass().methodPublicDarkGreylist();
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}
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}
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class LinkMethodBlacklist {
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public static int access() {
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return new ParentClass().methodPublicBlacklist();
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}
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}
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class LinkMethodBlacklistAndCorePlatformApi {
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public static int access() {
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return new ParentClass().methodPublicBlacklistAndCorePlatformApi();
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}
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}
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// INVOKE INSTANCE INTERFACE METHOD
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class LinkMethodInterfaceWhitelist {
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public static int access() {
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return DummyClass.getInterfaceInstance().methodPublicWhitelist();
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}
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}
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class LinkMethodInterfaceLightGreylist {
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public static int access() {
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return DummyClass.getInterfaceInstance().methodPublicLightGreylist();
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}
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}
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class LinkMethodInterfaceDarkGreylist {
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public static int access() {
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return DummyClass.getInterfaceInstance().methodPublicDarkGreylist();
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}
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}
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class LinkMethodInterfaceBlacklist {
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public static int access() {
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return DummyClass.getInterfaceInstance().methodPublicBlacklist();
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}
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}
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class LinkMethodInterfaceBlacklistAndCorePlatformApi {
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public static int access() {
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return DummyClass.getInterfaceInstance().methodPublicBlacklistAndCorePlatformApi();
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}
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}
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// INVOKE STATIC METHOD
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class LinkMethodStaticWhitelist {
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public static int access() {
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return ParentClass.methodPublicStaticWhitelist();
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}
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}
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class LinkMethodStaticLightGreylist {
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public static int access() {
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return ParentClass.methodPublicStaticLightGreylist();
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}
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}
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class LinkMethodStaticDarkGreylist {
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public static int access() {
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return ParentClass.methodPublicStaticDarkGreylist();
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}
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}
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class LinkMethodStaticBlacklist {
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public static int access() {
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return ParentClass.methodPublicStaticBlacklist();
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}
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}
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class LinkMethodStaticBlacklistAndCorePlatformApi {
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public static int access() {
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return ParentClass.methodPublicStaticBlacklistAndCorePlatformApi();
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}
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}
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// INVOKE INTERFACE STATIC METHOD
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class LinkMethodInterfaceStaticWhitelist {
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public static int access() {
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return ParentInterface.methodPublicStaticWhitelist();
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}
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}
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class LinkMethodInterfaceStaticLightGreylist {
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public static int access() {
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return ParentInterface.methodPublicStaticLightGreylist();
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}
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}
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class LinkMethodInterfaceStaticDarkGreylist {
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public static int access() {
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return ParentInterface.methodPublicStaticDarkGreylist();
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}
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}
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class LinkMethodInterfaceStaticBlacklist {
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public static int access() {
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return ParentInterface.methodPublicStaticBlacklist();
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}
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}
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class LinkMethodInterfaceStaticBlacklistAndCorePlatformApi {
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public static int access() {
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return ParentInterface.methodPublicStaticBlacklistAndCorePlatformApi();
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}
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}
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