| /* |
| * Copyright (C) 2022 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.net.module.util.netlink; |
| |
| import static android.system.OsConstants.AF_INET; |
| import static android.system.OsConstants.AF_INET6; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import android.net.InetAddresses; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.net.Inet4Address; |
| import java.net.Inet6Address; |
| import java.net.InetSocketAddress; |
| import java.nio.ByteBuffer; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class StructInetDiagSockIdTest { |
| private static final Inet4Address IPV4_SRC_ADDR = |
| (Inet4Address) InetAddresses.parseNumericAddress("192.0.2.1"); |
| private static final Inet4Address IPV4_DST_ADDR = |
| (Inet4Address) InetAddresses.parseNumericAddress("198.51.100.1"); |
| private static final Inet6Address IPV6_SRC_ADDR = |
| (Inet6Address) InetAddresses.parseNumericAddress("2001:db8::1"); |
| private static final Inet6Address IPV6_DST_ADDR = |
| (Inet6Address) InetAddresses.parseNumericAddress("2001:db8::2"); |
| private static final int SRC_PORT = 65297; |
| private static final int DST_PORT = 443; |
| private static final int IF_INDEX = 7; |
| private static final long COOKIE = 561; |
| |
| private static final byte[] INET_DIAG_SOCKET_ID_IPV4 = |
| new byte[] { |
| // src port, dst port |
| (byte) 0xff, (byte) 0x11, (byte) 0x01, (byte) 0xbb, |
| // src address |
| (byte) 0xc0, (byte) 0x00, (byte) 0x02, (byte) 0x01, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // dst address |
| (byte) 0xc6, (byte) 0x33, (byte) 0x64, (byte) 0x01, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // if index |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // cookie |
| (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff |
| }; |
| |
| private static final byte[] INET_DIAG_SOCKET_ID_IPV4_IF_COOKIE = |
| new byte[] { |
| // src port, dst port |
| (byte) 0xff, (byte) 0x11, (byte) 0x01, (byte) 0xbb, |
| // src address |
| (byte) 0xc0, (byte) 0x00, (byte) 0x02, (byte) 0x01, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // dst address |
| (byte) 0xc6, (byte) 0x33, (byte) 0x64, (byte) 0x01, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // if index |
| (byte) 0x07, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // cookie |
| (byte) 0x31, (byte) 0x02, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| }; |
| |
| private static final byte[] INET_DIAG_SOCKET_ID_IPV6 = |
| new byte[] { |
| // src port, dst port |
| (byte) 0xff, (byte) 0x11, (byte) 0x01, (byte) 0xbb, |
| // src address |
| (byte) 0x20, (byte) 0x01, (byte) 0x0d, (byte) 0xb8, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01, |
| // dst address |
| (byte) 0x20, (byte) 0x01, (byte) 0x0d, (byte) 0xb8, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02, |
| // if index |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // cookie |
| (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff |
| }; |
| |
| private static final byte[] INET_DIAG_SOCKET_ID_IPV6_IF_COOKIE = |
| new byte[] { |
| // src port, dst port |
| (byte) 0xff, (byte) 0x11, (byte) 0x01, (byte) 0xbb, |
| // src address |
| (byte) 0x20, (byte) 0x01, (byte) 0x0d, (byte) 0xb8, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01, |
| // dst address |
| (byte) 0x20, (byte) 0x01, (byte) 0x0d, (byte) 0xb8, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02, |
| // if index |
| (byte) 0x07, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| // cookie |
| (byte) 0x31, (byte) 0x02, (byte) 0x00, (byte) 0x00, |
| (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| }; |
| |
| @Test |
| public void testPackStructInetDiagSockIdWithIpv4() { |
| final InetSocketAddress srcAddr = new InetSocketAddress(IPV4_SRC_ADDR, SRC_PORT); |
| final InetSocketAddress dstAddr = new InetSocketAddress(IPV4_DST_ADDR, DST_PORT); |
| final StructInetDiagSockId sockId = new StructInetDiagSockId(srcAddr, dstAddr); |
| final ByteBuffer buffer = ByteBuffer.allocate(StructInetDiagSockId.STRUCT_SIZE); |
| sockId.pack(buffer); |
| assertArrayEquals(INET_DIAG_SOCKET_ID_IPV4, buffer.array()); |
| } |
| |
| @Test |
| public void testPackStructInetDiagSockIdWithIpv6() { |
| final InetSocketAddress srcAddr = new InetSocketAddress(IPV6_SRC_ADDR, SRC_PORT); |
| final InetSocketAddress dstAddr = new InetSocketAddress(IPV6_DST_ADDR, DST_PORT); |
| final StructInetDiagSockId sockId = new StructInetDiagSockId(srcAddr, dstAddr); |
| final ByteBuffer buffer = ByteBuffer.allocate(StructInetDiagSockId.STRUCT_SIZE); |
| sockId.pack(buffer); |
| assertArrayEquals(INET_DIAG_SOCKET_ID_IPV6, buffer.array()); |
| } |
| |
| @Test |
| public void testPackStructInetDiagSockIdWithIpv4IfIndexCookie() { |
| final InetSocketAddress srcAddr = new InetSocketAddress(IPV4_SRC_ADDR, SRC_PORT); |
| final InetSocketAddress dstAddr = new InetSocketAddress(IPV4_DST_ADDR, DST_PORT); |
| final StructInetDiagSockId sockId = |
| new StructInetDiagSockId(srcAddr, dstAddr, IF_INDEX, COOKIE); |
| final ByteBuffer buffer = ByteBuffer.allocate(StructInetDiagSockId.STRUCT_SIZE); |
| sockId.pack(buffer); |
| assertArrayEquals(INET_DIAG_SOCKET_ID_IPV4_IF_COOKIE, buffer.array()); |
| } |
| |
| @Test |
| public void testPackStructInetDiagSockIdWithIpv6IfIndexCookie() { |
| final InetSocketAddress srcAddr = new InetSocketAddress(IPV6_SRC_ADDR, SRC_PORT); |
| final InetSocketAddress dstAddr = new InetSocketAddress(IPV6_DST_ADDR, DST_PORT); |
| final StructInetDiagSockId sockId = |
| new StructInetDiagSockId(srcAddr, dstAddr, IF_INDEX, COOKIE); |
| final ByteBuffer buffer = ByteBuffer.allocate(StructInetDiagSockId.STRUCT_SIZE); |
| sockId.pack(buffer); |
| assertArrayEquals(INET_DIAG_SOCKET_ID_IPV6_IF_COOKIE, buffer.array()); |
| } |
| |
| @Test |
| public void testParseStructInetDiagSockIdWithIpv4() { |
| final ByteBuffer buffer = ByteBuffer.wrap(INET_DIAG_SOCKET_ID_IPV4_IF_COOKIE); |
| final StructInetDiagSockId sockId = StructInetDiagSockId.parse(buffer, (byte) AF_INET); |
| |
| assertEquals(SRC_PORT, sockId.locSocketAddress.getPort()); |
| assertEquals(IPV4_SRC_ADDR, sockId.locSocketAddress.getAddress()); |
| assertEquals(DST_PORT, sockId.remSocketAddress.getPort()); |
| assertEquals(IPV4_DST_ADDR, sockId.remSocketAddress.getAddress()); |
| assertEquals(IF_INDEX, sockId.ifIndex); |
| assertEquals(COOKIE, sockId.cookie); |
| } |
| |
| @Test |
| public void testParseStructInetDiagSockIdWithIpv6() { |
| final ByteBuffer buffer = ByteBuffer.wrap(INET_DIAG_SOCKET_ID_IPV6_IF_COOKIE); |
| final StructInetDiagSockId sockId = StructInetDiagSockId.parse(buffer, (byte) AF_INET6); |
| |
| assertEquals(SRC_PORT, sockId.locSocketAddress.getPort()); |
| assertEquals(IPV6_SRC_ADDR, sockId.locSocketAddress.getAddress()); |
| assertEquals(DST_PORT, sockId.remSocketAddress.getPort()); |
| assertEquals(IPV6_DST_ADDR, sockId.remSocketAddress.getAddress()); |
| assertEquals(IF_INDEX, sockId.ifIndex); |
| assertEquals(COOKIE, sockId.cookie); |
| } |
| |
| @Test |
| public void testToStringStructInetDiagSockIdWithIpv4() { |
| final InetSocketAddress srcAddr = new InetSocketAddress(IPV4_SRC_ADDR, SRC_PORT); |
| final InetSocketAddress dstAddr = new InetSocketAddress(IPV4_DST_ADDR, DST_PORT); |
| final StructInetDiagSockId sockId = new StructInetDiagSockId(srcAddr, dstAddr); |
| assertEquals("StructInetDiagSockId{ idiag_sport{65297}, idiag_dport{443}," |
| + " idiag_src{192.0.2.1}, idiag_dst{198.51.100.1}, idiag_if{0}," |
| + " idiag_cookie{INET_DIAG_NOCOOKIE}}", sockId.toString()); |
| } |
| |
| @Test |
| public void testToStringStructInetDiagSockIdWithIpv6() { |
| final InetSocketAddress srcAddr = new InetSocketAddress(IPV6_SRC_ADDR, SRC_PORT); |
| final InetSocketAddress dstAddr = new InetSocketAddress(IPV6_DST_ADDR, DST_PORT); |
| final StructInetDiagSockId sockId = new StructInetDiagSockId(srcAddr, dstAddr); |
| assertEquals("StructInetDiagSockId{ idiag_sport{65297}, idiag_dport{443}," |
| + " idiag_src{2001:db8::1}, idiag_dst{2001:db8::2}, idiag_if{0}," |
| + " idiag_cookie{INET_DIAG_NOCOOKIE}}", sockId.toString()); |
| } |
| } |