| /* |
| * 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 com.android.internal.net.eap.message.EapData.EAP_TYPE_MSCHAP_V2; |
| import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_REQUEST; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_MSCHAP_V2_FAILURE_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_MSCHAP_V2_SUCCESS_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.ID_INT; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.INVALID_AUTHENTICATOR_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_AUTHENTICATOR_CHALLENGE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_AUTHENTICATOR_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_ID_INT; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_NT_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_PEER_CHALLENGE; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.CHALLENGE_BYTES; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.ERROR_CODE; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.MESSAGE; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.PASSWORD_CHANGE_PROTOCOL; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.RETRY_BIT; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EAP_MSCHAP_V2_FAILURE; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EAP_MSCHAP_V2_SUCCESS; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| 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.exceptions.EapInvalidRequestException; |
| import com.android.internal.net.eap.message.EapData; |
| import com.android.internal.net.eap.message.EapMessage; |
| import com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2FailureRequest; |
| import com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2SuccessRequest; |
| import com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2TypeDataDecoder.DecodeResult; |
| import com.android.internal.net.eap.statemachine.EapMethodStateMachine.FinalState; |
| import com.android.internal.net.eap.statemachine.EapMsChapV2MethodStateMachine.AwaitingEapFailureState; |
| import com.android.internal.net.eap.statemachine.EapMsChapV2MethodStateMachine.AwaitingEapSuccessState; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.BufferUnderflowException; |
| |
| public class EapMsChapV2ValidateAuthenticatorStateTest extends EapMsChapV2StateTest { |
| private static final int INVALID_OP_CODE = -1; |
| |
| @Before |
| @Override |
| public void setUp() { |
| super.setUp(); |
| |
| mStateMachine.transitionTo( |
| mStateMachine.new ValidateAuthenticatorState( |
| MSCHAP_V2_AUTHENTICATOR_CHALLENGE, |
| MSCHAP_V2_PEER_CHALLENGE, |
| MSCHAP_V2_NT_RESPONSE)); |
| } |
| |
| @Test |
| public void testProcessSuccessRequest() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_MSCHAP_V2, DUMMY_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| |
| EapMsChapV2SuccessRequest successRequest = |
| new EapMsChapV2SuccessRequest( |
| MSCHAP_V2_ID_INT, 0, MSCHAP_V2_AUTHENTICATOR_RESPONSE, MESSAGE); |
| |
| when(mMockTypeDataDecoder.getOpCode(eq(DUMMY_TYPE_DATA))).thenReturn(EAP_MSCHAP_V2_SUCCESS); |
| when(mMockTypeDataDecoder.decodeSuccessRequest(any(String.class), eq(DUMMY_TYPE_DATA))) |
| .thenReturn(new DecodeResult<>(successRequest)); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_MSCHAP_V2_SUCCESS_RESPONSE, eapResponse.packet); |
| assertTrue(mStateMachine.getState() instanceof AwaitingEapSuccessState); |
| verify(mMockTypeDataDecoder).getOpCode(eq(DUMMY_TYPE_DATA)); |
| verify(mMockTypeDataDecoder).decodeSuccessRequest(any(String.class), eq(DUMMY_TYPE_DATA)); |
| } |
| |
| @Test |
| public void testProcessInvalidSuccessRequest() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_MSCHAP_V2, DUMMY_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| |
| EapMsChapV2SuccessRequest successRequest = |
| new EapMsChapV2SuccessRequest( |
| MSCHAP_V2_ID_INT, 0, INVALID_AUTHENTICATOR_RESPONSE, MESSAGE); |
| |
| when(mMockTypeDataDecoder.getOpCode(eq(DUMMY_TYPE_DATA))).thenReturn(EAP_MSCHAP_V2_SUCCESS); |
| when(mMockTypeDataDecoder.decodeSuccessRequest(any(String.class), eq(DUMMY_TYPE_DATA))) |
| .thenReturn(new DecodeResult<>(successRequest)); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| assertTrue(result instanceof EapFailure); |
| assertTrue(mStateMachine.getState() instanceof FinalState); |
| verify(mMockTypeDataDecoder).getOpCode(eq(DUMMY_TYPE_DATA)); |
| verify(mMockTypeDataDecoder).decodeSuccessRequest(any(String.class), eq(DUMMY_TYPE_DATA)); |
| } |
| |
| @Test |
| public void testProcessFailureRequest() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_MSCHAP_V2, DUMMY_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| |
| EapMsChapV2FailureRequest failureRequest = |
| new EapMsChapV2FailureRequest( |
| MSCHAP_V2_ID_INT, |
| 0, |
| ERROR_CODE, |
| RETRY_BIT, |
| CHALLENGE_BYTES, |
| PASSWORD_CHANGE_PROTOCOL, |
| MESSAGE); |
| |
| when(mMockTypeDataDecoder.getOpCode(eq(DUMMY_TYPE_DATA))).thenReturn(EAP_MSCHAP_V2_FAILURE); |
| when(mMockTypeDataDecoder.decodeFailureRequest(any(String.class), eq(DUMMY_TYPE_DATA))) |
| .thenReturn(new DecodeResult<>(failureRequest)); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_MSCHAP_V2_FAILURE_RESPONSE, eapResponse.packet); |
| assertTrue(mStateMachine.getState() instanceof AwaitingEapFailureState); |
| verify(mMockTypeDataDecoder).getOpCode(eq(DUMMY_TYPE_DATA)); |
| verify(mMockTypeDataDecoder).decodeFailureRequest(any(String.class), eq(DUMMY_TYPE_DATA)); |
| } |
| |
| @Test |
| public void testProcessEmptyTypeData() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_MSCHAP_V2, new byte[0]); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| |
| when(mMockTypeDataDecoder.getOpCode(eq(new byte[0]))) |
| .thenThrow(new BufferUnderflowException()); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| EapError eapError = (EapError) result; |
| assertTrue(eapError.cause instanceof BufferUnderflowException); |
| verify(mMockTypeDataDecoder).getOpCode(eq(new byte[0])); |
| } |
| |
| @Test |
| public void testProcessInvalidPacket() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_MSCHAP_V2, DUMMY_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| |
| when(mMockTypeDataDecoder.getOpCode(eq(DUMMY_TYPE_DATA))).thenReturn(INVALID_OP_CODE); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| EapError eapError = (EapError) result; |
| assertTrue(eapError.cause instanceof EapInvalidRequestException); |
| verify(mMockTypeDataDecoder).getOpCode(eq(DUMMY_TYPE_DATA)); |
| } |
| } |