1 files changed, 152 insertions, 0 deletions
diff --git a/tests/iketests/src/java/com/android/internal/net/eap/statemachine/EapSimMethodStateMachineTest.java b/tests/iketests/src/java/com/android/internal/net/eap/statemachine/EapSimMethodStateMachineTest.java
new file mode 100644
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--- /dev/null
+++ b/tests/iketests/src/java/com/android/internal/net/eap/statemachine/EapSimMethodStateMachineTest.java
@@ -0,0 +1,152 @@
+/*
+ * 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_TYPE_SIM;
+import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_REQUEST;
+import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_SIM_CLIENT_ERROR_UNABLE_TO_PROCESS;
+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 com.android.internal.net.eap.message.simaka.EapSimTypeData.EAP_SIM_START;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+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.EapError;
+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.simaka.EapSimAkaAttribute.AtNotification;
+import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtVersionList;
+import com.android.internal.net.eap.message.simaka.EapSimAkaTypeData;
+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.EapSimMethodStateMachine.CreatedState;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.security.SecureRandom;
+import java.util.Arrays;
+
+public class EapSimMethodStateMachineTest {
+    private static final int SUB_ID = 1;
+    private static final byte[] DUMMY_EAP_TYPE_DATA = hexStringToByteArray("112233445566");
+
+    // EAP-Identity = hex("test@android.net")
+    protected static final byte[] EAP_IDENTITY_BYTES =
+            hexStringToByteArray("7465737440616E64726F69642E6E6574");
+
+    private TelephonyManager mMockTelephonyManager;
+    private EapSimTypeDataDecoder mMockEapSimTypeDataDecoder;
+
+    private EapSimConfig mEapSimConfig = new EapSimConfig(SUB_ID, APPTYPE_USIM);
+    private 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 testEapSimMethodStateMachineStartState() {
+        assertTrue(mEapSimMethodStateMachine.getState() instanceof CreatedState);
+    }
+
+    @Test
+    public void testGetMethod() {
+        assertEquals(EAP_TYPE_SIM, mEapSimMethodStateMachine.getEapMethod());
+    }
+
+    @Test
+    public void testEapSimFailsOnMultipleSimNotifications() throws Exception {
+        EapData eapData = new EapData(EAP_TYPE_SIM, DUMMY_EAP_TYPE_DATA);
+        EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData);
+
+        // First EAP-SIM/Notification
+        EapSimTypeData notificationTypeData =
+                new EapSimTypeData(
+                        EAP_SIM_NOTIFICATION,
+                        Arrays.asList(new AtNotification(GENERAL_FAILURE_PRE_CHALLENGE)));
+        DecodeResult<EapSimTypeData> decodeResult = new DecodeResult<>(notificationTypeData);
+        when(mMockEapSimTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult);
+
+        EapResponse eapResponse = (EapResponse) mEapSimMethodStateMachine.process(eapMessage);
+        assertArrayEquals(EAP_SIM_NOTIFICATION_RESPONSE, eapResponse.packet);
+        verify(mMockEapSimTypeDataDecoder).decode(DUMMY_EAP_TYPE_DATA);
+        verifyNoMoreInteractions(mMockTelephonyManager, mMockEapSimTypeDataDecoder);
+
+        // Transition to StartState
+        decodeResult =
+                new DecodeResult<>(
+                        new EapSimTypeData(EAP_SIM_START, Arrays.asList(new AtVersionList(8, 1))));
+        when(mMockEapSimTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult);
+
+        eapResponse = (EapResponse) mEapSimMethodStateMachine.process(eapMessage);
+        assertFalse(
+                "EAP-Request/SIM-Start returned a Client-Error response",
+                Arrays.equals(EAP_SIM_CLIENT_ERROR_UNABLE_TO_PROCESS, eapResponse.packet));
+
+        // decoded in: previous 1 time + in CreatedState and StartState
+        verify(mMockEapSimTypeDataDecoder, times(3)).decode(eq(DUMMY_EAP_TYPE_DATA));
+        verifyNoMoreInteractions(mMockTelephonyManager, mMockEapSimTypeDataDecoder);
+
+        // Second EAP-SIM/Notification
+        decodeResult = new EapSimAkaTypeData.DecodeResult<>(notificationTypeData);
+        when(mMockEapSimTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult);
+
+        EapError eapError = (EapError) mEapSimMethodStateMachine.process(eapMessage);
+        assertTrue(eapError.cause instanceof EapInvalidRequestException);
+
+        // decoded previous 3 times + 1
+        verify(mMockEapSimTypeDataDecoder, times(4)).decode(DUMMY_EAP_TYPE_DATA);
+        verifyNoMoreInteractions(mMockTelephonyManager, mMockEapSimTypeDataDecoder);
+    }
+}