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/*
* 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.ipsec.ike.message;
import static com.android.internal.net.ipsec.ike.message.IkeMessage.DECODE_STATUS_UNPROTECTED_ERROR;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import android.net.ipsec.ike.exceptions.IkeProtocolException;
import android.util.Pair;
import com.android.internal.net.TestUtils;
import com.android.internal.net.ipsec.ike.message.IkeMessage.DecodeResult;
import com.android.internal.net.ipsec.ike.message.IkeMessage.DecodeResultError;
import java.nio.ByteBuffer;
/**
* IkeTestUtils provides utility methods for testing IKE library.
*
* <p>TODO: Consider moving it under ikev2/
*/
public final class IkeTestUtils {
public static IkePayload hexStringToIkePayload(
@IkePayload.PayloadType int payloadType, boolean isResp, String payloadHexString)
throws IkeProtocolException {
byte[] payloadBytes = TestUtils.hexStringToByteArray(payloadHexString);
// Returned Pair consists of the IkePayload and the following IkePayload's type.
Pair<IkePayload, Integer> pair =
IkePayloadFactory.getIkePayload(payloadType, isResp, ByteBuffer.wrap(payloadBytes));
return pair.first;
}
public static <T extends IkeProtocolException> T decodeAndVerifyUnprotectedErrorMsg(
byte[] inputPacket, Class<T> expectedException) throws Exception {
IkeHeader header = new IkeHeader(inputPacket);
DecodeResult decodeResult = IkeMessage.decode(0, header, inputPacket);
assertEquals(DECODE_STATUS_UNPROTECTED_ERROR, decodeResult.status);
DecodeResultError resultError = (DecodeResultError) decodeResult;
assertNotNull(resultError.ikeException);
assertTrue(expectedException.isInstance(resultError.ikeException));
return (T) resultError.ikeException;
}
public static IkeSkfPayload makeDummySkfPayload(
byte[] unencryptedData, int fragNum, int totalFrags) throws Exception {
IkeEncryptedPayloadBody mockEncryptedBody = mock(IkeEncryptedPayloadBody.class);
when(mockEncryptedBody.getUnencryptedData()).thenReturn(unencryptedData);
return new IkeSkfPayload(mockEncryptedBody, fragNum, totalFrags);
}
}
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