1 files changed, 107 insertions, 0 deletions
diff --git a/tests/iketests/src/java/com/android/ike/ikev2/message/IkeNotifyPayloadTest.java b/tests/iketests/src/java/com/android/ike/ikev2/message/IkeNotifyPayloadTest.java
new file mode 100644
index 00000000..3e9ba80f
--- /dev/null
+++ b/tests/iketests/src/java/com/android/ike/ikev2/message/IkeNotifyPayloadTest.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2018 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.ike.ikev2.message;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import com.android.ike.ikev2.exceptions.InvalidSyntaxException;
+
+import org.junit.Test;
+
+import java.net.InetAddress;
+import java.nio.ByteBuffer;
+
+public final class IkeNotifyPayloadTest {
+    private static final String NOTIFY_PAYLOAD_GENERIC_HEADER = "2900001c";
+    private static final String NOTIFY_PAYLOAD_BODY_RAW_PACKET =
+            "00004004e54f73b7d83f6beb881eab2051d8663f421d10b0";
+
+    private static final String NAT_DETECTION_SOURCE_IP_DATA_HEX_STRING =
+            "e54f73b7d83f6beb881eab2051d8663f421d10b0";
+    private static final String IKE_INITIATOR_SPI_HEX_STRING = "5f54bf6d8b48e6e1";
+    private static final String IKE_RESPODNER_SPI_HEX_STRING = "0000000000000000";
+    private static final String IP_ADDR = "10.80.80.13";
+    private static final int PORT = 500;
+
+    private static final int EXPECTED_PROTOCOL_ID = IkePayload.PROTOCOL_ID_UNSET;
+    private static final int EXPECTED_SPI_SIZE = IkePayload.SPI_LEN_NOT_INCLUDED;
+
+    @IkePayload.PayloadType
+    private static final int NEXT_PAYLOAD_TYPE = IkePayload.PAYLOAD_TYPE_NOTIFY;
+
+    @IkeNotifyPayload.NotifyType
+    private static final int EXPECTED_NOTIFY_TYPE =
+            IkeNotifyPayload.NOTIFY_TYPE_NAT_DETECTION_SOURCE_IP;
+
+    private static final int EXPECTED_NOTIFY_DATA_LEN = 20;
+
+    private static final int POS_PROTOCOL_ID = 0;
+
+    @Test
+    public void testDecodeNotifyPayload() throws Exception {
+        byte[] inputPacket = TestUtils.hexStringToByteArray(NOTIFY_PAYLOAD_BODY_RAW_PACKET);
+        IkeNotifyPayload payload = new IkeNotifyPayload(false, inputPacket);
+        assertEquals(EXPECTED_PROTOCOL_ID, payload.protocolId);
+        assertEquals(EXPECTED_SPI_SIZE, payload.spiSize);
+        assertEquals(EXPECTED_NOTIFY_TYPE, payload.notifyType);
+        assertEquals(EXPECTED_SPI_SIZE, payload.spi);
+        assertEquals(EXPECTED_NOTIFY_DATA_LEN, payload.notifyData.length);
+    }
+
+    @Test
+    public void testDecodeNotifyPayloadThrowException() throws Exception {
+        byte[] inputPacket = TestUtils.hexStringToByteArray(NOTIFY_PAYLOAD_BODY_RAW_PACKET);
+        // Change Protocol ID to ESP
+        inputPacket[POS_PROTOCOL_ID] = (byte) (IkePayload.PROTOCOL_ID_ESP & 0xFF);
+        try {
+            IkeNotifyPayload payload = new IkeNotifyPayload(false, inputPacket);
+            fail("Expected InvalidSyntaxException: Protocol ID should not be ESP");
+        } catch (InvalidSyntaxException expected) {
+        }
+    }
+
+    @Test
+    public void testGenerateNatDetectionData() throws Exception {
+        long initiatorIkeSpi = Long.parseLong(IKE_INITIATOR_SPI_HEX_STRING, 16);
+        long responderIkespi = Long.parseLong(IKE_RESPODNER_SPI_HEX_STRING, 16);
+        InetAddress inetAddress = InetAddress.getByName(IP_ADDR);
+
+        byte[] netDetectionData =
+                IkeNotifyPayload.generateNatDetectionData(
+                        initiatorIkeSpi, responderIkespi, inetAddress, PORT);
+
+        byte[] expectedBytes =
+                TestUtils.hexStringToByteArray(NAT_DETECTION_SOURCE_IP_DATA_HEX_STRING);
+        assertArrayEquals(expectedBytes, netDetectionData);
+    }
+
+    @Test
+    public void testEncodeNotifyPayload() throws Exception {
+        byte[] inputPacket = TestUtils.hexStringToByteArray(NOTIFY_PAYLOAD_BODY_RAW_PACKET);
+        IkeNotifyPayload payload = new IkeNotifyPayload(false, inputPacket);
+
+        ByteBuffer byteBuffer = ByteBuffer.allocate(payload.getPayloadLength());
+        payload.encodeToByteBuffer(NEXT_PAYLOAD_TYPE, byteBuffer);
+
+        byte[] expectedNoncePayload =
+                TestUtils.hexStringToByteArray(
+                        NOTIFY_PAYLOAD_GENERIC_HEADER + NOTIFY_PAYLOAD_BODY_RAW_PACKET);
+        assertArrayEquals(expectedNoncePayload, byteBuffer.array());
+    }
+}