| /* |
| * 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_CHALLENGE_RESPONSE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.ID_INT; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_AUTHENTICATOR_CHALLENGE; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_ID_INT; |
| import static com.android.internal.net.eap.message.EapTestMessageDefinitions.MSCHAP_V2_PEER_CHALLENGE; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.SERVER_NAME_BYTES; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2ChallengeRequest.TYPE_DATA_HEADER_SIZE; |
| import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2ChallengeRequest.VALUE_SIZE; |
| |
| 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.doAnswer; |
| 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.EapResponse; |
| import com.android.internal.net.eap.exceptions.mschapv2.EapMsChapV2ParsingException; |
| 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.EapMsChapV2ChallengeRequest; |
| import com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2TypeDataDecoder.DecodeResult; |
| import com.android.internal.net.eap.statemachine.EapMsChapV2MethodStateMachine.ValidateAuthenticatorState; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class EapMsChapV2ChallengeStateTest extends EapMsChapV2StateTest { |
| @Before |
| @Override |
| public void setUp() { |
| super.setUp(); |
| |
| mStateMachine.transitionTo(mStateMachine.new ChallengeState()); |
| } |
| |
| @Test |
| public void testProcessChallenge() throws Exception { |
| EapData eapData = new EapData(EAP_TYPE_MSCHAP_V2, DUMMY_TYPE_DATA); |
| EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData); |
| |
| EapMsChapV2ChallengeRequest challengeRequest = |
| new EapMsChapV2ChallengeRequest( |
| MSCHAP_V2_ID_INT, |
| TYPE_DATA_HEADER_SIZE + VALUE_SIZE + SERVER_NAME_BYTES.length, |
| MSCHAP_V2_AUTHENTICATOR_CHALLENGE, |
| SERVER_NAME_BYTES); |
| when(mMockTypeDataDecoder.decodeChallengeRequest(any(String.class), eq(DUMMY_TYPE_DATA))) |
| .thenReturn(new DecodeResult<>(challengeRequest)); |
| |
| doAnswer(invocation -> { |
| byte[] dst = invocation.getArgument(0); |
| System.arraycopy(MSCHAP_V2_PEER_CHALLENGE, 0, dst, 0, MSCHAP_V2_PEER_CHALLENGE.length); |
| return null; |
| }).when(mMockSecureRandom).nextBytes(eq(new byte[MSCHAP_V2_PEER_CHALLENGE.length])); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| EapResponse eapResponse = (EapResponse) result; |
| assertArrayEquals(EAP_MSCHAP_V2_CHALLENGE_RESPONSE, eapResponse.packet); |
| assertTrue(mStateMachine.getState() instanceof ValidateAuthenticatorState); |
| verify(mMockSecureRandom).nextBytes(any(byte[].class)); |
| verify(mMockTypeDataDecoder).decodeChallengeRequest(any(String.class), eq(DUMMY_TYPE_DATA)); |
| } |
| |
| @Test |
| public void testIncorrectTypeData() 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.decodeChallengeRequest(any(String.class), eq(DUMMY_TYPE_DATA))) |
| .thenReturn( |
| new DecodeResult<>( |
| new EapError( |
| new EapMsChapV2ParsingException("incorrect type data")))); |
| |
| EapResult result = mStateMachine.process(eapMessage); |
| EapError eapError = (EapError) result; |
| assertTrue(eapError.cause instanceof EapMsChapV2ParsingException); |
| verify(mMockTypeDataDecoder).decodeChallengeRequest(any(String.class), eq(DUMMY_TYPE_DATA)); |
| } |
| } |