Alter MODEL build property with an extra space (6b874c0b) · Commits · e / os / android_frameworks_base

core/java/android/app/Instrumentation.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -63,6 +63,8 @@ import java.lang.annotation.RetentionPolicy;
		import java.util.ArrayList;
		import java.util.List;

		import com.android.internal.safetynet.SafetyNetHooks;

		/**
		* Base class for implementing application instrumentation code. When running
		* with instrumentation turned on, this class will be instantiated for you
		@@ -1157,6 +1159,7 @@ public class Instrumentation {
		Application app = getFactory(context.getPackageName())
		.instantiateApplication(cl, className);
		app.attach(context);
		SafetyNetHooks.init(app);
		return app;
		}

		@@ -1174,6 +1177,7 @@ public class Instrumentation {
		ClassNotFoundException {
		Application app = (Application)clazz.newInstance();
		app.attach(context);
		SafetyNetHooks.init(app);
		return app;
		}

core/java/com/android/internal/safetynet/SafetyNetHooks.java

0 → 100644

+60 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 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 com.android.internal.safetynet;

		import java.lang.reflect.Field;
		import java.util.Arrays;

		import android.app.Application;
		import android.os.Build;
		import android.os.Build.VERSION;
		import android.util.Log;

		public final class SafetyNetHooks {

		private static final String TAG = "SafetyNetHooks";
		private static final String GMS_PACKAGE_NAME = "com.google.android.gms";

		private static void setBuildField(String key, String value) {
		try {
		Field field = Build.class.getDeclaredField(key);
		field.setAccessible(true);
		field.set(null, value);
		field.setAccessible(false);
		} catch (NoSuchFieldException \| IllegalAccessException e) {
		Log.e(TAG, "Failed to fake Build." + key, e);
		}
		}

		private static void setSecurityPatch(String value) {
		try {
		Field field = VERSION.class.getDeclaredField("SECURITY_PATCH");
		field.setAccessible(true);
		field.set(null, value);
		field.setAccessible(false);
		} catch (NoSuchFieldException \| IllegalAccessException e) {
		Log.e(TAG, "Failed to fake Build.VERSION.SECURITY_PATCH", e);
		}
		}

		public static void init(Application app) {
		if (GMS_PACKAGE_NAME.equals(app.getPackageName())) {
		setBuildField("MODEL", Build.MODEL + " ");
		setSecurityPatch("2021-10-05");
		}
		}
		}