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/*
* Copyright (C) 2022 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.server.connectivity;
import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
import static android.telephony.TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED;
import static com.android.testutils.DevSdkIgnoreRuleKt.SC_V2;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import android.annotation.NonNull;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.net.NetworkRequest;
import android.net.NetworkSpecifier;
import android.net.TelephonyNetworkSpecifier;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import com.android.networkstack.apishim.TelephonyManagerShimImpl;
import com.android.networkstack.apishim.common.TelephonyManagerShim;
import com.android.networkstack.apishim.common.UnsupportedApiLevelException;
import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
import com.android.testutils.DevSdkIgnoreRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import java.util.Collections;
import java.util.List;
/**
* Tests for CarrierPrivilegeAuthenticatorTest.
*
* Build, install and run with:
* runtest frameworks-net -c com.android.server.connectivity.CarrierPrivilegeAuthenticatorTest
*/
@RunWith(DevSdkIgnoreRunner.class)
@IgnoreUpTo(SC_V2) // TODO: Use to Build.VERSION_CODES.SC_V2 when available
public class CarrierPrivilegeAuthenticatorTest {
private static final int SUBSCRIPTION_COUNT = 2;
private static final int TEST_SUBSCRIPTION_ID = 1;
@NonNull private final Context mContext;
@NonNull private final TelephonyManager mTelephonyManager;
@NonNull private final TelephonyManagerShimImpl mTelephonyManagerShim;
@NonNull private final PackageManager mPackageManager;
@NonNull private TestCarrierPrivilegeAuthenticator mCarrierPrivilegeAuthenticator;
private final int mCarrierConfigPkgUid = 12345;
private final String mTestPkg = "com.android.server.connectivity.test";
public class TestCarrierPrivilegeAuthenticator extends CarrierPrivilegeAuthenticator {
TestCarrierPrivilegeAuthenticator(@NonNull final Context c,
@NonNull final TelephonyManager t) {
super(c, t, mTelephonyManagerShim);
}
@Override
protected int getSlotIndex(int subId) {
if (SubscriptionManager.DEFAULT_SUBSCRIPTION_ID == subId) return TEST_SUBSCRIPTION_ID;
return subId;
}
}
public CarrierPrivilegeAuthenticatorTest() {
mContext = mock(Context.class);
mTelephonyManager = mock(TelephonyManager.class);
mTelephonyManagerShim = mock(TelephonyManagerShimImpl.class);
mPackageManager = mock(PackageManager.class);
}
@Before
public void setUp() throws Exception {
doReturn(SUBSCRIPTION_COUNT).when(mTelephonyManager).getActiveModemCount();
doReturn(mTestPkg).when(mTelephonyManagerShim)
.getCarrierServicePackageNameForLogicalSlot(anyInt());
doReturn(mPackageManager).when(mContext).getPackageManager();
final ApplicationInfo applicationInfo = new ApplicationInfo();
applicationInfo.uid = mCarrierConfigPkgUid;
doReturn(applicationInfo).when(mPackageManager)
.getApplicationInfo(eq(mTestPkg), anyInt());
mCarrierPrivilegeAuthenticator =
new TestCarrierPrivilegeAuthenticator(mContext, mTelephonyManager);
}
private IntentFilter getIntentFilter() {
final ArgumentCaptor<IntentFilter> captor = ArgumentCaptor.forClass(IntentFilter.class);
verify(mContext).registerReceiver(any(), captor.capture(), any(), any());
return captor.getValue();
}
private List<TelephonyManagerShim.CarrierPrivilegesListenerShim>
getCarrierPrivilegesListeners() {
final ArgumentCaptor<TelephonyManagerShim.CarrierPrivilegesListenerShim> captor =
ArgumentCaptor.forClass(TelephonyManagerShim.CarrierPrivilegesListenerShim.class);
try {
verify(mTelephonyManagerShim, atLeastOnce())
.addCarrierPrivilegesListener(anyInt(), any(), captor.capture());
} catch (UnsupportedApiLevelException e) {
}
return captor.getAllValues();
}
private Intent buildTestMultiSimConfigBroadcastIntent() {
final Intent intent = new Intent(ACTION_MULTI_SIM_CONFIG_CHANGED);
return intent;
}
@Test
public void testConstructor() throws Exception {
verify(mContext).registerReceiver(
eq(mCarrierPrivilegeAuthenticator),
any(IntentFilter.class),
any(),
any());
final IntentFilter filter = getIntentFilter();
assertEquals(1, filter.countActions());
assertTrue(filter.hasAction(ACTION_MULTI_SIM_CONFIG_CHANGED));
verify(mTelephonyManagerShim, times(2))
.addCarrierPrivilegesListener(anyInt(), any(), any());
verify(mTelephonyManagerShim)
.addCarrierPrivilegesListener(eq(0), any(), any());
verify(mTelephonyManagerShim)
.addCarrierPrivilegesListener(eq(1), any(), any());
assertEquals(2, getCarrierPrivilegesListeners().size());
final TelephonyNetworkSpecifier telephonyNetworkSpecifier =
new TelephonyNetworkSpecifier(0);
final NetworkRequest.Builder networkRequestBuilder = new NetworkRequest.Builder();
networkRequestBuilder.addTransportType(TRANSPORT_CELLULAR);
networkRequestBuilder.setNetworkSpecifier(telephonyNetworkSpecifier);
assertTrue(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid, networkRequestBuilder.build().networkCapabilities));
assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid + 1, networkRequestBuilder.build().networkCapabilities));
}
@Test
public void testMultiSimConfigChanged() throws Exception {
doReturn(1).when(mTelephonyManager).getActiveModemCount();
final List<TelephonyManagerShim.CarrierPrivilegesListenerShim> carrierPrivilegesListeners =
getCarrierPrivilegesListeners();
mCarrierPrivilegeAuthenticator.onReceive(
mContext, buildTestMultiSimConfigBroadcastIntent());
for (TelephonyManagerShim.CarrierPrivilegesListenerShim carrierPrivilegesListener
: carrierPrivilegesListeners) {
verify(mTelephonyManagerShim)
.removeCarrierPrivilegesListener(eq(carrierPrivilegesListener));
}
// Expect a new CarrierPrivilegesListener to have been registered for slot 0, and none other
// (2 previously registered during startup, for slots 0 & 1)
verify(mTelephonyManagerShim, times(3))
.addCarrierPrivilegesListener(anyInt(), any(), any());
verify(mTelephonyManagerShim, times(2))
.addCarrierPrivilegesListener(eq(0), any(), any());
final TelephonyNetworkSpecifier telephonyNetworkSpecifier =
new TelephonyNetworkSpecifier(0);
final NetworkRequest.Builder networkRequestBuilder = new NetworkRequest.Builder();
networkRequestBuilder.addTransportType(TRANSPORT_CELLULAR);
networkRequestBuilder.setNetworkSpecifier(telephonyNetworkSpecifier);
assertTrue(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid, networkRequestBuilder.build().networkCapabilities));
assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid + 1, networkRequestBuilder.build().networkCapabilities));
}
@Test
public void testOnCarrierPrivilegesChanged() throws Exception {
final TelephonyManagerShim.CarrierPrivilegesListenerShim listener =
getCarrierPrivilegesListeners().get(0);
final TelephonyNetworkSpecifier telephonyNetworkSpecifier =
new TelephonyNetworkSpecifier(0);
final NetworkRequest.Builder networkRequestBuilder = new NetworkRequest.Builder();
networkRequestBuilder.addTransportType(TRANSPORT_CELLULAR);
networkRequestBuilder.setNetworkSpecifier(telephonyNetworkSpecifier);
final ApplicationInfo applicationInfo = new ApplicationInfo();
applicationInfo.uid = mCarrierConfigPkgUid + 1;
doReturn(applicationInfo).when(mPackageManager)
.getApplicationInfo(eq(mTestPkg), anyInt());
listener.onCarrierPrivilegesChanged(Collections.emptyList(), new int[] {});
assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid, networkRequestBuilder.build().networkCapabilities));
assertTrue(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid + 1, networkRequestBuilder.build().networkCapabilities));
}
@Test
public void testDefaultSubscription() throws Exception {
final NetworkRequest.Builder networkRequestBuilder = new NetworkRequest.Builder();
networkRequestBuilder.addTransportType(TRANSPORT_CELLULAR);
assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid, networkRequestBuilder.build().networkCapabilities));
networkRequestBuilder.setNetworkSpecifier(new TelephonyNetworkSpecifier(0));
assertTrue(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid, networkRequestBuilder.build().networkCapabilities));
// The builder for NetworkRequest doesn't allow removing the transport as long as a
// specifier is set, so unset it first. TODO : fix the builder
networkRequestBuilder.setNetworkSpecifier((NetworkSpecifier) null);
networkRequestBuilder.removeTransportType(TRANSPORT_CELLULAR);
networkRequestBuilder.addTransportType(TRANSPORT_WIFI);
networkRequestBuilder.setNetworkSpecifier(new TelephonyNetworkSpecifier(0));
assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
mCarrierConfigPkgUid, networkRequestBuilder.build().networkCapabilities));
}
}
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