b199b960c7
This is to be used by privileged components (e.g., JobScheduler) to request callbacks about the state of other UIDs on the system. Bug: 165835257 Test: new unit test coverage Change-Id: I29f155710394e58c14fcef488db6271d8d83033a
431 lines
18 KiB
Java
431 lines
18 KiB
Java
/*
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* Copyright (C) 2017 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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package android.net;
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import static android.net.ConnectivityManager.TYPE_NONE;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_CBS;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_DUN;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_FOTA;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_IMS;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_MMS;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_VPN;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_SUPL;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_TRUSTED;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_WIFI_P2P;
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import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
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import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
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import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
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import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
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import static android.net.NetworkRequest.Type.BACKGROUND_REQUEST;
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import static android.net.NetworkRequest.Type.REQUEST;
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import static android.net.NetworkRequest.Type.TRACK_DEFAULT;
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import static android.net.NetworkRequest.Type.TRACK_SYSTEM_DEFAULT;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import static org.mockito.ArgumentMatchers.eq;
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import static org.mockito.ArgumentMatchers.nullable;
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import static org.mockito.Mockito.any;
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import static org.mockito.Mockito.anyBoolean;
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import static org.mockito.Mockito.anyInt;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.reset;
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import static org.mockito.Mockito.timeout;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.net.ConnectivityManager.NetworkCallback;
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import android.os.Build.VERSION_CODES;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.Message;
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import android.os.Messenger;
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import android.os.Process;
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import androidx.test.filters.SmallTest;
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import androidx.test.runner.AndroidJUnit4;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.mockito.ArgumentCaptor;
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import org.mockito.Mock;
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import org.mockito.MockitoAnnotations;
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@RunWith(AndroidJUnit4.class)
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@SmallTest
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public class ConnectivityManagerTest {
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@Mock Context mCtx;
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@Mock IConnectivityManager mService;
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@Before
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public void setUp() {
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MockitoAnnotations.initMocks(this);
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}
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static NetworkCapabilities verifyNetworkCapabilities(
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int legacyType, int transportType, int... capabilities) {
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final NetworkCapabilities nc = ConnectivityManager.networkCapabilitiesForType(legacyType);
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assertNotNull(nc);
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assertTrue(nc.hasTransport(transportType));
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for (int capability : capabilities) {
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assertTrue(nc.hasCapability(capability));
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}
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return nc;
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}
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static void verifyUnrestrictedNetworkCapabilities(int legacyType, int transportType) {
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verifyNetworkCapabilities(
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legacyType,
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transportType,
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NET_CAPABILITY_INTERNET,
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NET_CAPABILITY_NOT_RESTRICTED,
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NET_CAPABILITY_NOT_VPN,
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NET_CAPABILITY_TRUSTED);
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}
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static void verifyRestrictedMobileNetworkCapabilities(int legacyType, int capability) {
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final NetworkCapabilities nc = verifyNetworkCapabilities(
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legacyType,
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TRANSPORT_CELLULAR,
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capability,
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NET_CAPABILITY_NOT_VPN,
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NET_CAPABILITY_TRUSTED);
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assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
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assertFalse(nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED));
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobile() {
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verifyUnrestrictedNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE, TRANSPORT_CELLULAR);
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileCbs() {
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verifyRestrictedMobileNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_CBS, NET_CAPABILITY_CBS);
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileDun() {
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verifyRestrictedMobileNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_DUN, NET_CAPABILITY_DUN);
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileFota() {
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verifyRestrictedMobileNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_FOTA, NET_CAPABILITY_FOTA);
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileHipri() {
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verifyUnrestrictedNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_HIPRI, TRANSPORT_CELLULAR);
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileIms() {
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verifyRestrictedMobileNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_IMS, NET_CAPABILITY_IMS);
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileMms() {
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final NetworkCapabilities nc = verifyNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_MMS,
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TRANSPORT_CELLULAR,
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NET_CAPABILITY_MMS,
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NET_CAPABILITY_NOT_VPN,
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NET_CAPABILITY_TRUSTED);
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assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
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}
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@Test
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public void testNetworkCapabilitiesForTypeMobileSupl() {
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final NetworkCapabilities nc = verifyNetworkCapabilities(
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ConnectivityManager.TYPE_MOBILE_SUPL,
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TRANSPORT_CELLULAR,
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NET_CAPABILITY_SUPL,
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NET_CAPABILITY_NOT_VPN,
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NET_CAPABILITY_TRUSTED);
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assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
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}
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@Test
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public void testNetworkCapabilitiesForTypeWifi() {
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verifyUnrestrictedNetworkCapabilities(
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ConnectivityManager.TYPE_WIFI, TRANSPORT_WIFI);
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}
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@Test
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public void testNetworkCapabilitiesForTypeWifiP2p() {
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final NetworkCapabilities nc = verifyNetworkCapabilities(
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ConnectivityManager.TYPE_WIFI_P2P,
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TRANSPORT_WIFI,
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NET_CAPABILITY_NOT_RESTRICTED, NET_CAPABILITY_NOT_VPN,
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NET_CAPABILITY_TRUSTED, NET_CAPABILITY_WIFI_P2P);
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assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
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}
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@Test
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public void testNetworkCapabilitiesForTypeBluetooth() {
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verifyUnrestrictedNetworkCapabilities(
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ConnectivityManager.TYPE_BLUETOOTH, TRANSPORT_BLUETOOTH);
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}
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@Test
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public void testNetworkCapabilitiesForTypeEthernet() {
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verifyUnrestrictedNetworkCapabilities(
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ConnectivityManager.TYPE_ETHERNET, TRANSPORT_ETHERNET);
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}
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@Test
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public void testCallbackRelease() throws Exception {
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ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
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NetworkRequest request = makeRequest(1);
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NetworkCallback callback = mock(ConnectivityManager.NetworkCallback.class);
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Handler handler = new Handler(Looper.getMainLooper());
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ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
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// register callback
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when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
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anyInt(), anyInt(), any(), nullable(String.class))).thenReturn(request);
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manager.requestNetwork(request, callback, handler);
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// callback triggers
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captor.getValue().send(makeMessage(request, ConnectivityManager.CALLBACK_AVAILABLE));
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verify(callback, timeout(500).times(1)).onAvailable(any(Network.class),
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any(NetworkCapabilities.class), any(LinkProperties.class), anyBoolean());
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// unregister callback
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manager.unregisterNetworkCallback(callback);
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verify(mService, times(1)).releaseNetworkRequest(request);
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// callback does not trigger anymore.
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captor.getValue().send(makeMessage(request, ConnectivityManager.CALLBACK_LOSING));
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verify(callback, timeout(500).times(0)).onLosing(any(), anyInt());
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}
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@Test
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public void testCallbackRecycling() throws Exception {
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ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
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NetworkRequest req1 = makeRequest(1);
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NetworkRequest req2 = makeRequest(2);
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NetworkCallback callback = mock(ConnectivityManager.NetworkCallback.class);
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Handler handler = new Handler(Looper.getMainLooper());
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ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
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// register callback
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when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
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anyInt(), anyInt(), any(), nullable(String.class))).thenReturn(req1);
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manager.requestNetwork(req1, callback, handler);
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// callback triggers
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captor.getValue().send(makeMessage(req1, ConnectivityManager.CALLBACK_AVAILABLE));
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verify(callback, timeout(100).times(1)).onAvailable(any(Network.class),
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any(NetworkCapabilities.class), any(LinkProperties.class), anyBoolean());
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// unregister callback
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manager.unregisterNetworkCallback(callback);
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verify(mService, times(1)).releaseNetworkRequest(req1);
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// callback does not trigger anymore.
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captor.getValue().send(makeMessage(req1, ConnectivityManager.CALLBACK_LOSING));
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verify(callback, timeout(100).times(0)).onLosing(any(), anyInt());
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// callback can be registered again
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when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
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anyInt(), anyInt(), any(), nullable(String.class))).thenReturn(req2);
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manager.requestNetwork(req2, callback, handler);
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// callback triggers
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captor.getValue().send(makeMessage(req2, ConnectivityManager.CALLBACK_LOST));
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verify(callback, timeout(100).times(1)).onLost(any());
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// unregister callback
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manager.unregisterNetworkCallback(callback);
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verify(mService, times(1)).releaseNetworkRequest(req2);
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}
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// TODO: turn on this test when request callback 1:1 mapping is enforced
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//@Test
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private void noDoubleCallbackRegistration() throws Exception {
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ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
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NetworkRequest request = makeRequest(1);
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NetworkCallback callback = new ConnectivityManager.NetworkCallback();
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ApplicationInfo info = new ApplicationInfo();
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// TODO: update version when starting to enforce 1:1 mapping
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info.targetSdkVersion = VERSION_CODES.N_MR1 + 1;
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when(mCtx.getApplicationInfo()).thenReturn(info);
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when(mService.requestNetwork(anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(),
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anyInt(), any(), nullable(String.class))).thenReturn(request);
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Handler handler = new Handler(Looper.getMainLooper());
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manager.requestNetwork(request, callback, handler);
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// callback is already registered, reregistration should fail.
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Class<IllegalArgumentException> wantException = IllegalArgumentException.class;
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expectThrowable(() -> manager.requestNetwork(request, callback), wantException);
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manager.unregisterNetworkCallback(callback);
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verify(mService, times(1)).releaseNetworkRequest(request);
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// unregistering the callback should make it registrable again.
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manager.requestNetwork(request, callback);
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}
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@Test
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public void testArgumentValidation() throws Exception {
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ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
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NetworkRequest request = mock(NetworkRequest.class);
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NetworkCallback callback = mock(NetworkCallback.class);
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Handler handler = mock(Handler.class);
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NetworkCallback nullCallback = null;
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PendingIntent nullIntent = null;
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mustFail(() -> { manager.requestNetwork(null, callback); });
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mustFail(() -> { manager.requestNetwork(request, nullCallback); });
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mustFail(() -> { manager.requestNetwork(request, callback, null); });
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mustFail(() -> { manager.requestNetwork(request, callback, -1); });
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mustFail(() -> { manager.requestNetwork(request, nullIntent); });
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mustFail(() -> { manager.registerNetworkCallback(null, callback, handler); });
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mustFail(() -> { manager.registerNetworkCallback(request, null, handler); });
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mustFail(() -> { manager.registerNetworkCallback(request, callback, null); });
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mustFail(() -> { manager.registerNetworkCallback(request, nullIntent); });
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mustFail(() -> { manager.registerDefaultNetworkCallback(null, handler); });
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mustFail(() -> { manager.registerDefaultNetworkCallback(callback, null); });
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mustFail(() -> { manager.registerSystemDefaultNetworkCallback(null, handler); });
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mustFail(() -> { manager.registerSystemDefaultNetworkCallback(callback, null); });
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mustFail(() -> { manager.unregisterNetworkCallback(nullCallback); });
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mustFail(() -> { manager.unregisterNetworkCallback(nullIntent); });
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mustFail(() -> { manager.releaseNetworkRequest(nullIntent); });
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}
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static void mustFail(Runnable fn) {
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try {
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fn.run();
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fail();
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} catch (Exception expected) {
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}
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}
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@Test
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public void testRequestType() throws Exception {
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final String testPkgName = "MyPackage";
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final String testAttributionTag = "MyTag";
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final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
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when(mCtx.getOpPackageName()).thenReturn(testPkgName);
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when(mCtx.getAttributionTag()).thenReturn(testAttributionTag);
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final NetworkRequest request = makeRequest(1);
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final NetworkCallback callback = new ConnectivityManager.NetworkCallback();
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manager.requestNetwork(request, callback);
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verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(request.networkCapabilities),
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eq(REQUEST.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
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eq(testPkgName), eq(testAttributionTag));
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reset(mService);
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// Verify that register network callback does not calls requestNetwork at all.
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manager.registerNetworkCallback(request, callback);
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verify(mService, never()).requestNetwork(anyInt(), any(), anyInt(), any(), anyInt(), any(),
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anyInt(), anyInt(), any(), any());
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verify(mService).listenForNetwork(eq(request.networkCapabilities), any(), any(), anyInt(),
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eq(testPkgName), eq(testAttributionTag));
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reset(mService);
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Handler handler = new Handler(ConnectivityThread.getInstanceLooper());
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manager.registerDefaultNetworkCallback(callback);
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verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(null),
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eq(TRACK_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
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eq(testPkgName), eq(testAttributionTag));
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reset(mService);
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manager.registerDefaultNetworkCallbackAsUid(42, callback, handler);
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verify(mService).requestNetwork(eq(42), eq(null),
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eq(TRACK_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
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eq(testPkgName), eq(testAttributionTag));
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manager.requestBackgroundNetwork(request, handler, callback);
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verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(request.networkCapabilities),
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eq(BACKGROUND_REQUEST.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
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eq(testPkgName), eq(testAttributionTag));
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reset(mService);
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manager.registerSystemDefaultNetworkCallback(callback, handler);
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verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(null),
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eq(TRACK_SYSTEM_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
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eq(testPkgName), eq(testAttributionTag));
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reset(mService);
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}
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static Message makeMessage(NetworkRequest req, int messageType) {
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Bundle bundle = new Bundle();
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bundle.putParcelable(NetworkRequest.class.getSimpleName(), req);
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// Pass default objects as we don't care which get passed here
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bundle.putParcelable(Network.class.getSimpleName(), new Network(1));
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bundle.putParcelable(NetworkCapabilities.class.getSimpleName(), new NetworkCapabilities());
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bundle.putParcelable(LinkProperties.class.getSimpleName(), new LinkProperties());
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Message msg = Message.obtain();
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msg.what = messageType;
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msg.setData(bundle);
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return msg;
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}
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static NetworkRequest makeRequest(int requestId) {
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NetworkRequest request = new NetworkRequest.Builder().clearCapabilities().build();
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return new NetworkRequest(request.networkCapabilities, ConnectivityManager.TYPE_NONE,
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requestId, NetworkRequest.Type.NONE);
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}
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static void expectThrowable(Runnable block, Class<? extends Throwable> throwableType) {
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try {
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block.run();
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} catch (Throwable t) {
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if (t.getClass().equals(throwableType)) {
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return;
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}
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fail("expected exception of type " + throwableType + ", but was " + t.getClass());
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}
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fail("expected exception of type " + throwableType);
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}
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}
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