1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.net.cts; 18 19 import android.content.Context; 20 import android.net.ConnectivityManager; 21 import android.net.Network; 22 import android.net.NetworkCapabilities; 23 import android.net.NetworkUtils; 24 import android.system.ErrnoException; 25 import android.system.OsConstants; 26 import android.test.AndroidTestCase; 27 28 import java.util.ArrayList; 29 30 31 public class MultinetworkApiTest extends AndroidTestCase { 32 33 static { 34 System.loadLibrary("nativemultinetwork_jni"); 35 } 36 37 private static final String TAG = "MultinetworkNativeApiTest"; 38 39 /** 40 * @return 0 on success 41 */ 42 private static native int runGetaddrinfoCheck(long networkHandle); 43 private static native int runSetprocnetwork(long networkHandle); 44 private static native int runSetsocknetwork(long networkHandle); 45 private static native int runDatagramCheck(long networkHandle); 46 47 private ConnectivityManager mCM; 48 49 protected void setUp() throws Exception { 50 super.setUp(); 51 mCM = (ConnectivityManager) getContext().getSystemService(Context.CONNECTIVITY_SERVICE); 52 } 53 54 private Network[] getTestableNetworks() { 55 final ArrayList<Network> testableNetworks = new ArrayList<Network>(); 56 for (Network network : mCM.getAllNetworks()) { 57 final NetworkCapabilities nc = mCM.getNetworkCapabilities(network); 58 if (nc != null 59 && nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED) 60 && nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) { 61 testableNetworks.add(network); 62 } 63 } 64 65 assertTrue( 66 "This test requires that at least one network be connected. " + 67 "Please ensure that the device is connected to a network.", 68 testableNetworks.size() >= 1); 69 return testableNetworks.toArray(new Network[0]); 70 } 71 72 public void testGetaddrinfo() throws ErrnoException { 73 for (Network network : getTestableNetworks()) { 74 int errno = runGetaddrinfoCheck(network.getNetworkHandle()); 75 if (errno != 0) { 76 throw new ErrnoException( 77 "getaddrinfo on " + mCM.getNetworkInfo(network), -errno); 78 } 79 } 80 } 81 82 public void testSetprocnetwork() throws ErrnoException { 83 // Hopefully no prior test in this process space has set a default network. 84 assertNull(mCM.getProcessDefaultNetwork()); 85 assertEquals(0, NetworkUtils.getBoundNetworkForProcess()); 86 87 for (Network network : getTestableNetworks()) { 88 mCM.setProcessDefaultNetwork(null); 89 assertNull(mCM.getProcessDefaultNetwork()); 90 91 int errno = runSetprocnetwork(network.getNetworkHandle()); 92 if (errno != 0) { 93 throw new ErrnoException( 94 "setprocnetwork on " + mCM.getNetworkInfo(network), -errno); 95 } 96 Network processDefault = mCM.getProcessDefaultNetwork(); 97 assertNotNull(processDefault); 98 assertEquals(network, processDefault); 99 // TODO: open DatagramSockets, connect them to 192.0.2.1 and 2001:db8::, 100 // and ensure that the source address is in fact on this network as 101 // determined by mCM.getLinkProperties(network). 102 103 mCM.setProcessDefaultNetwork(null); 104 } 105 106 for (Network network : getTestableNetworks()) { 107 NetworkUtils.bindProcessToNetwork(0); 108 assertNull(mCM.getBoundNetworkForProcess()); 109 110 int errno = runSetprocnetwork(network.getNetworkHandle()); 111 if (errno != 0) { 112 throw new ErrnoException( 113 "setprocnetwork on " + mCM.getNetworkInfo(network), -errno); 114 } 115 assertEquals(network, new Network(mCM.getBoundNetworkForProcess())); 116 // TODO: open DatagramSockets, connect them to 192.0.2.1 and 2001:db8::, 117 // and ensure that the source address is in fact on this network as 118 // determined by mCM.getLinkProperties(network). 119 120 NetworkUtils.bindProcessToNetwork(0); 121 } 122 } 123 124 public void testSetsocknetwork() throws ErrnoException { 125 for (Network network : getTestableNetworks()) { 126 int errno = runSetsocknetwork(network.getNetworkHandle()); 127 if (errno != 0) { 128 throw new ErrnoException( 129 "setsocknetwork on " + mCM.getNetworkInfo(network), -errno); 130 } 131 } 132 } 133 134 public void testNativeDatagramTransmission() throws ErrnoException { 135 for (Network network : getTestableNetworks()) { 136 int errno = runDatagramCheck(network.getNetworkHandle()); 137 if (errno != 0) { 138 throw new ErrnoException( 139 "DatagramCheck on " + mCM.getNetworkInfo(network), -errno); 140 } 141 } 142 } 143 144 public void testNoSuchNetwork() { 145 final Network eNoNet = new Network(54321); 146 assertNull(mCM.getNetworkInfo(eNoNet)); 147 148 final long eNoNetHandle = eNoNet.getNetworkHandle(); 149 assertEquals(-OsConstants.ENONET, runSetsocknetwork(eNoNetHandle)); 150 assertEquals(-OsConstants.ENONET, runSetprocnetwork(eNoNetHandle)); 151 // TODO: correct test permissions so this call is not silently re-mapped 152 // to query on the default network. 153 // assertEquals(-OsConstants.ENONET, runGetaddrinfoCheck(eNoNetHandle)); 154 } 155 156 public void testNetworkHandle() { 157 // Test Network -> NetworkHandle -> Network results in the same Network. 158 for (Network network : getTestableNetworks()) { 159 long networkHandle = network.getNetworkHandle(); 160 Network newNetwork = Network.fromNetworkHandle(networkHandle); 161 assertEquals(newNetwork, network); 162 } 163 164 // Test that only obfuscated handles are allowed. 165 try { 166 Network.fromNetworkHandle(100); 167 fail(); 168 } catch (IllegalArgumentException e) {} 169 try { 170 Network.fromNetworkHandle(-1); 171 fail(); 172 } catch (IllegalArgumentException e) {} 173 try { 174 Network.fromNetworkHandle(0); 175 fail(); 176 } catch (IllegalArgumentException e) {} 177 } 178 } 179
