| /* |
| * Copyright (C) 2019 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.net.eap.statemachine; |
| |
| import static android.telephony.TelephonyManager.APPTYPE_USIM; |
| |
| import static com.android.internal.net.TestUtils.hexStringToByteArray; |
| import static com.android.internal.net.eap.message.EapData.EAP_NOTIFICATION; |
| import static com.android.internal.net.eap.message.EapData.EAP_TYPE_SIM; |
| import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_REQUEST; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_RESPONSE_NOTIFICATION_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_SIM_CLIENT_ERROR_INSUFFICIENT_CHALLENGES; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_SIM_NOTIFICATION_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.ID_INT; |
| import static com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtNotification.GENERAL_FAILURE_PRE_CHALLENGE; |
| import static com.android.internal.net.eap.message.simaka.EapSimTypeData.EAP_SIM_NOTIFICATION; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.when; |
| |
| import android.net.eap.EapSessionConfig.EapSimConfig; |
| import android.telephony.TelephonyManager; |
| |
| import com.android.internal.net.eap.EapResult; |
| import com.android.internal.net.eap.EapResult.EapResponse; |
| import com.android.internal.net.eap.message.EapData; |
| import com.android.internal.net.eap.message.EapMessage; |
| import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtClientErrorCode; |
| import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtNotification; |
| import com.android.internal.net.eap.message.simaka.EapSimAkaTypeData.DecodeResult; |
| import com.android.internal.net.eap.message.simaka.EapSimTypeData; |
| import com.android.internal.net.eap.message.simaka.EapSimTypeData.EapSimTypeDataDecoder; |
| import com.android.internal.net.eap.statemachine.EapMethodStateMachine.EapMethodState; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.security.SecureRandom; |
| import java.util.Arrays; |
| |
| public class EapSimStateTest { |
| protected static final int SUB_ID = 1; |
| protected static final String NOTIFICATION_MESSAGE = "test"; |
| protected static final byte[] DUMMY_EAP_TYPE_DATA = hexStringToByteArray("112233445566"); |
| |
| // EAP-Identity = hex("test@android.net") |
| protected static final byte[] EAP_IDENTITY_BYTES = |
| hexStringToByteArray("7465737440616E64726F69642E6E6574"); |
| |
| protected TelephonyManager mMockTelephonyManager; |
| protected EapSimTypeDataDecoder mMockEapSimTypeDataDecoder; |
| |
| protected EapSimConfig mEapSimConfig = new EapSimConfig(SUB_ID, APPTYPE_USIM); |
| protected EapSimMethodStateMachine mEapSimMethodStateMachine; |
| |
| @Before |
| public void setUp() { |
| mMockTelephonyManager = mock(TelephonyManager.class); |
| mMockEapSimTypeDataDecoder = mock(EapSimTypeDataDecoder.class); |
| |
| when(mMockTelephonyManager.createForSubscriptionId(SUB_ID)) |
| .thenReturn(mMockTelephonyManager); |
| |
| mEapSimMethodStateMachine = |
| new EapSimMethodStateMachine( |
| mMockTelephonyManager, |
| EAP_IDENTITY_BYTES, |
| mEapSimConfig, |
| new SecureRandom(), |
| mMockEapSimTypeDataDecoder); |
| |
| verify(mMockTelephonyManager).createForSubscriptionId(SUB_ID); |
| } |
| |
| @Test |
| public void testProcessNotification() throws Exception { |
| EapData eapData = new EapData(EAP_NOTIFICATION, NOTIFICATION_MESSAGE.getBytes()); |
| EapMessage notification = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| EapMethodState preNotification = (EapMethodState) mEapSimMethodStateMachine.getState(); |
| |
| EapResult result = mEapSimMethodStateMachine.process(notification); |
| assertEquals(preNotification, mEapSimMethodStateMachine.getState()); |
| verifyNoMoreInteractions(mMockTelephonyManager, mMockEapSimTypeDataDecoder); |
| |
| assertTrue(result instanceof EapResponse); |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_RESPONSE_NOTIFICATION_PACKET, eapResponse.packet); |
| } |
| |
| @Test |
| public void testProcessEapSimNotification() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_SIM, DUMMY_EAP_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| EapMethodState preProcess = (EapMethodState) mEapSimMethodStateMachine.getState(); |
| EapSimTypeData typeData = |
| new EapSimTypeData( |
| EAP_SIM_NOTIFICATION, |
| Arrays.asList(new AtNotification(GENERAL_FAILURE_PRE_CHALLENGE))); |
| |
| DecodeResult<EapSimTypeData> decodeResult = new DecodeResult<>(typeData); |
| when(mMockEapSimTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult); |
| |
| EapResponse eapResponse = (EapResponse) mEapSimMethodStateMachine.process(eapMessage); |
| assertArrayEquals(EAP_SIM_NOTIFICATION_RESPONSE, eapResponse.packet); |
| assertEquals(preProcess, mEapSimMethodStateMachine.getState()); |
| verify(mMockEapSimTypeDataDecoder).decode(DUMMY_EAP_TYPE_DATA); |
| verifyNoMoreInteractions(mMockTelephonyManager, mMockEapSimTypeDataDecoder); |
| } |
| |
| @Test |
| public void testProcessInvalidDecodeResult() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_SIM, DUMMY_EAP_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| EapMethodState preProcess = (EapMethodState) mEapSimMethodStateMachine.getState(); |
| |
| AtClientErrorCode atClientErrorCode = AtClientErrorCode.INSUFFICIENT_CHALLENGES; |
| DecodeResult<EapSimTypeData> decodeResult = new DecodeResult<>(atClientErrorCode); |
| when(mMockEapSimTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult); |
| |
| EapResult result = mEapSimMethodStateMachine.process(eapMessage); |
| assertEquals(preProcess, mEapSimMethodStateMachine.getState()); |
| verify(mMockEapSimTypeDataDecoder).decode(DUMMY_EAP_TYPE_DATA); |
| verifyNoMoreInteractions(mMockTelephonyManager, mMockEapSimTypeDataDecoder); |
| |
| assertTrue(result instanceof EapResponse); |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_SIM_CLIENT_ERROR_INSUFFICIENT_CHALLENGES, eapResponse.packet); |
| } |
| } |