| /* |
| * 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.server.net; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| |
| import android.net.IpConfiguration; |
| import android.net.IpConfiguration.IpAssignment; |
| import android.net.IpConfiguration.ProxySettings; |
| import android.net.LinkAddress; |
| import android.net.NetworkUtils; |
| import android.net.ProxyInfo; |
| import android.net.StaticIpConfiguration; |
| import android.util.ArrayMap; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * Unit tests for {@link IpConfigStore} |
| */ |
| @RunWith(AndroidJUnit4.class) |
| public class IpConfigStoreTest { |
| |
| @Test |
| public void backwardCompatibility2to3() throws IOException { |
| final int KEY_CONFIG = 17; |
| ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); |
| DataOutputStream outputStream = new DataOutputStream(byteStream); |
| |
| IpConfiguration expectedConfig = new IpConfiguration(IpAssignment.DHCP, |
| ProxySettings.NONE, null, null); |
| |
| // Emulate writing to old format. |
| writeDhcpConfigV2(outputStream, KEY_CONFIG, expectedConfig); |
| |
| InputStream in = new ByteArrayInputStream(byteStream.toByteArray()); |
| ArrayMap<String, IpConfiguration> configurations = IpConfigStore.readIpConfigurations(in); |
| |
| assertNotNull(configurations); |
| assertEquals(1, configurations.size()); |
| IpConfiguration actualConfig = configurations.get(String.valueOf(KEY_CONFIG)); |
| assertNotNull(actualConfig); |
| assertEquals(expectedConfig, actualConfig); |
| } |
| |
| @Test |
| public void staticIpMultiNetworks() throws Exception { |
| final String IFACE_1 = "eth0"; |
| final String IFACE_2 = "eth1"; |
| final String IP_ADDR_1 = "192.168.1.10/24"; |
| final String IP_ADDR_2 = "192.168.1.20/24"; |
| final String DNS_IP_ADDR_1 = "1.2.3.4"; |
| final String DNS_IP_ADDR_2 = "5.6.7.8"; |
| |
| StaticIpConfiguration staticIpConfiguration = new StaticIpConfiguration(); |
| staticIpConfiguration.ipAddress = new LinkAddress(IP_ADDR_1); |
| staticIpConfiguration.dnsServers.add(NetworkUtils.numericToInetAddress(DNS_IP_ADDR_1)); |
| staticIpConfiguration.dnsServers.add(NetworkUtils.numericToInetAddress(DNS_IP_ADDR_2)); |
| |
| ProxyInfo proxyInfo = new ProxyInfo("10.10.10.10", 88, "host1,host2"); |
| |
| IpConfiguration expectedConfig1 = new IpConfiguration(IpAssignment.STATIC, |
| ProxySettings.STATIC, staticIpConfiguration, proxyInfo); |
| IpConfiguration expectedConfig2 = new IpConfiguration(expectedConfig1); |
| expectedConfig2.getStaticIpConfiguration().ipAddress = new LinkAddress(IP_ADDR_2); |
| |
| ArrayMap<String, IpConfiguration> expectedNetworks = new ArrayMap<>(); |
| expectedNetworks.put(IFACE_1, expectedConfig1); |
| expectedNetworks.put(IFACE_2, expectedConfig2); |
| |
| MockedDelayedDiskWrite writer = new MockedDelayedDiskWrite(); |
| IpConfigStore store = new IpConfigStore(writer); |
| store.writeIpConfigurations("file/path/not/used/", expectedNetworks); |
| |
| InputStream in = new ByteArrayInputStream(writer.byteStream.toByteArray()); |
| ArrayMap<String, IpConfiguration> actualNetworks = IpConfigStore.readIpConfigurations(in); |
| assertNotNull(actualNetworks); |
| assertEquals(2, actualNetworks.size()); |
| assertEquals(expectedNetworks.get(IFACE_1), actualNetworks.get(IFACE_1)); |
| assertEquals(expectedNetworks.get(IFACE_2), actualNetworks.get(IFACE_2)); |
| } |
| |
| // This is simplified snapshot of code that was used to store values in V2 format (key as int). |
| private static void writeDhcpConfigV2(DataOutputStream out, int configKey, |
| IpConfiguration config) throws IOException { |
| out.writeInt(2); // VERSION 2 |
| switch (config.ipAssignment) { |
| case DHCP: |
| out.writeUTF("ipAssignment"); |
| out.writeUTF(config.ipAssignment.toString()); |
| break; |
| default: |
| fail("Not supported in test environment"); |
| } |
| |
| out.writeUTF("id"); |
| out.writeInt(configKey); |
| out.writeUTF("eos"); |
| } |
| |
| /** Synchronously writes into given byte steam */ |
| private static class MockedDelayedDiskWrite extends DelayedDiskWrite { |
| final ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); |
| |
| @Override |
| public void write(String filePath, Writer w) { |
| DataOutputStream outputStream = new DataOutputStream(byteStream); |
| |
| try { |
| w.onWriteCalled(outputStream); |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| } |
| } |