| /* |
| * 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.eap.message.EapMessage.EAP_CODE_FAILURE; |
| import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_SUCCESS; |
| import static com.android.internal.net.eap.message.EapMessage.EAP_HEADER_LENGTH; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_AKA_PRIME_REQUEST; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_FAILURE_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_AKA; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_IDENTITY_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_MSCHAP_V2; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_NOTIFICATION_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_SIM_START_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_RESPONSE_NAK_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_RESPONSE_NOTIFICATION_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_SUCCESS_PACKET; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EMSK; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.ID_INT; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSK; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.argThat; |
| 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; |
| |
| import com.android.internal.net.eap.EapResult; |
| import com.android.internal.net.eap.EapResult.EapError; |
| import com.android.internal.net.eap.EapResult.EapFailure; |
| import com.android.internal.net.eap.EapResult.EapResponse; |
| import com.android.internal.net.eap.EapResult.EapSuccess; |
| import com.android.internal.net.eap.exceptions.EapInvalidRequestException; |
| import com.android.internal.net.eap.message.EapMessage; |
| import com.android.internal.net.eap.statemachine.EapStateMachine.FailureState; |
| import com.android.internal.net.eap.statemachine.EapStateMachine.MethodState; |
| import com.android.internal.net.eap.statemachine.EapStateMachine.SuccessState; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentMatcher; |
| |
| import java.security.SecureRandom; |
| |
| public class MethodStateTest extends EapStateTest { |
| private static final String USERNAME = "username"; |
| private static final String PASSWORD = "password"; |
| private static final String NETWORK_NAME = "android.net"; |
| private static final boolean ALLOW_MISMATCHED_NETWORK_NAMES = true; |
| |
| @Before |
| @Override |
| public void setUp() { |
| super.setUp(); |
| mEapState = mEapStateMachine.new MethodState(); |
| mEapStateMachine.transitionTo(mEapState); |
| } |
| |
| @Test |
| public void testProcessUnsupportedEapType() { |
| mEapState = mEapStateMachine.new MethodState(); |
| EapResult result = mEapState.process(EAP_REQUEST_IDENTITY_PACKET); |
| |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_RESPONSE_NAK_PACKET, eapResponse.packet); |
| } |
| |
| @Test |
| public void testProcessTransitionsToEapSim() { |
| mEapStateMachine.process(EAP_REQUEST_SIM_START_PACKET); |
| |
| assertTrue(mEapStateMachine.getState() instanceof MethodState); |
| MethodState methodState = (MethodState) mEapStateMachine.getState(); |
| assertTrue(methodState.mEapMethodStateMachine instanceof EapSimMethodStateMachine); |
| } |
| |
| @Test |
| public void testProcessTransitionToEapAka() { |
| // make EapStateMachine with EAP-AKA configurations |
| EapSessionConfig eapSessionConfig = new EapSessionConfig.Builder() |
| .setEapAkaConfig(0, APPTYPE_USIM).build(); |
| mEapStateMachine = new EapStateMachine(mContext, eapSessionConfig, new SecureRandom()); |
| |
| mEapStateMachine.process(EAP_REQUEST_AKA); |
| |
| assertTrue(mEapStateMachine.getState() instanceof MethodState); |
| MethodState methodState = (MethodState) mEapStateMachine.getState(); |
| assertTrue(methodState.mEapMethodStateMachine instanceof EapAkaMethodStateMachine); |
| } |
| |
| @Test |
| public void testProcessTransitionToEapAkaPrime() { |
| // make EapStateMachine with EAP-AKA' configurations |
| EapSessionConfig eapSessionConfig = |
| new EapSessionConfig.Builder() |
| .setEapAkaPrimeConfig( |
| 0, APPTYPE_USIM, NETWORK_NAME, ALLOW_MISMATCHED_NETWORK_NAMES) |
| .build(); |
| mEapStateMachine = new EapStateMachine(mContext, eapSessionConfig, new SecureRandom()); |
| |
| mEapStateMachine.process(EAP_AKA_PRIME_REQUEST); |
| |
| assertTrue(mEapStateMachine.getState() instanceof MethodState); |
| MethodState methodState = (MethodState) mEapStateMachine.getState(); |
| assertTrue(methodState.mEapMethodStateMachine instanceof EapAkaPrimeMethodStateMachine); |
| } |
| |
| @Test |
| public void testProcessTransitionToEapMsChapV2() { |
| // make EapStateMachine with EAP MSCHAPv2 configurations |
| EapSessionConfig eapSessionConfig = |
| new EapSessionConfig.Builder().setEapMsChapV2Config(USERNAME, PASSWORD).build(); |
| mEapStateMachine = new EapStateMachine(mContext, eapSessionConfig, new SecureRandom()); |
| |
| mEapStateMachine.process(EAP_REQUEST_MSCHAP_V2); |
| |
| assertTrue(mEapStateMachine.getState() instanceof MethodState); |
| MethodState methodState = (MethodState) mEapStateMachine.getState(); |
| assertTrue(methodState.mEapMethodStateMachine instanceof EapMsChapV2MethodStateMachine); |
| } |
| |
| @Test |
| public void testProcessTransitionToSuccessState() { |
| EapSuccess eapSuccess = new EapSuccess(MSK, EMSK); |
| |
| ArgumentMatcher<EapMessage> eapSuccessMatcher = msg -> |
| msg.eapCode == EAP_CODE_SUCCESS |
| && msg.eapIdentifier == ID_INT |
| && msg.eapLength == EAP_HEADER_LENGTH |
| && msg.eapData == null; |
| |
| EapMethodStateMachine mockEapMethodStateMachine = mock(EapMethodStateMachine.class); |
| when(mockEapMethodStateMachine.process(argThat(eapSuccessMatcher))).thenReturn(eapSuccess); |
| ((MethodState) mEapState).mEapMethodStateMachine = mockEapMethodStateMachine; |
| |
| mEapState.process(EAP_SUCCESS_PACKET); |
| verify(mockEapMethodStateMachine).process(argThat(eapSuccessMatcher)); |
| assertTrue(mEapStateMachine.getState() instanceof SuccessState); |
| verifyNoMoreInteractions(mockEapMethodStateMachine); |
| } |
| |
| @Test |
| public void testProcessTransitionToFailureState() { |
| EapFailure eapFailure = new EapFailure(); |
| |
| ArgumentMatcher<EapMessage> eapSuccessMatcher = msg -> |
| msg.eapCode == EAP_CODE_FAILURE |
| && msg.eapIdentifier == ID_INT |
| && msg.eapLength == EAP_HEADER_LENGTH |
| && msg.eapData == null; |
| |
| EapMethodStateMachine mockEapMethodStateMachine = mock(EapMethodStateMachine.class); |
| when(mockEapMethodStateMachine.process(argThat(eapSuccessMatcher))).thenReturn(eapFailure); |
| ((MethodState) mEapState).mEapMethodStateMachine = mockEapMethodStateMachine; |
| |
| mEapState.process(EAP_FAILURE_PACKET); |
| verify(mockEapMethodStateMachine).process(argThat(eapSuccessMatcher)); |
| assertTrue(mEapStateMachine.getState() instanceof FailureState); |
| verifyNoMoreInteractions(mockEapMethodStateMachine); |
| } |
| |
| @Test |
| public void testProcessEapFailureWithNoEapMethodState() { |
| EapResult result = mEapStateMachine.process(EAP_FAILURE_PACKET); |
| assertTrue(result instanceof EapFailure); |
| assertTrue(mEapStateMachine.getState() instanceof FailureState); |
| } |
| |
| @Test |
| public void testProcessEapSuccessWithNoEapMethodState() { |
| EapResult result = mEapStateMachine.process(EAP_SUCCESS_PACKET); |
| EapError eapError = (EapError) result; |
| assertTrue(eapError.cause instanceof EapInvalidRequestException); |
| assertTrue(mEapStateMachine.getState() instanceof MethodState); |
| } |
| |
| @Test |
| public void testProcessEapNotificationWithNoEapMethodState() { |
| EapResult result = mEapStateMachine.process(EAP_REQUEST_NOTIFICATION_PACKET); |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_RESPONSE_NOTIFICATION_PACKET, eapResponse.packet); |
| assertTrue(mEapStateMachine.getState() instanceof MethodState); |
| } |
| } |