The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 com.android.server; |
| 18 | |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 19 | import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE; |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 20 | import static android.net.ConnectivityManager.CONNECTIVITY_ACTION; |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 21 | import static android.net.ConnectivityManager.NETID_UNSET; |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 22 | import static android.net.ConnectivityManager.TYPE_NONE; |
Sreeram Ramachandran | 60c0c0d | 2014-10-30 14:55:29 -0700 | [diff] [blame] | 23 | import static android.net.ConnectivityManager.TYPE_VPN; |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 24 | import static android.net.ConnectivityManager.getNetworkTypeName; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 25 | import static android.net.ConnectivityManager.isNetworkTypeValid; |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 26 | import static android.net.NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL; |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 27 | import static android.net.NetworkCapabilities.NET_CAPABILITY_FOREGROUND; |
Lorenzo Colitti | 8deb341 | 2015-05-14 17:07:20 +0900 | [diff] [blame] | 28 | import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET; |
| 29 | import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_METERED; |
| 30 | import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED; |
| 31 | import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 32 | import static android.net.NetworkPolicyManager.RULE_ALLOW_ALL; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 33 | import static android.net.NetworkPolicyManager.RULE_ALLOW_METERED; |
Felipe Leme | 46c4fc3 | 2016-05-04 09:21:43 -0700 | [diff] [blame] | 34 | import static android.net.NetworkPolicyManager.RULE_NONE; |
Felipe Leme | 781ba14 | 2016-05-09 16:24:48 -0700 | [diff] [blame] | 35 | import static android.net.NetworkPolicyManager.RULE_REJECT_ALL; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 36 | import static android.net.NetworkPolicyManager.RULE_REJECT_METERED; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 37 | import static android.net.NetworkPolicyManager.RULE_TEMPORARY_ALLOW_METERED; |
Felipe Leme | 46c4fc3 | 2016-05-04 09:21:43 -0700 | [diff] [blame] | 38 | import static android.net.NetworkPolicyManager.uidRulesToString; |
Hugo Benichi | a038568 | 2017-03-22 17:07:57 +0900 | [diff] [blame] | 39 | import static com.android.internal.util.Preconditions.checkNotNull; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 40 | |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 41 | import android.annotation.Nullable; |
Dianne Hackborn | e0e413e | 2015-12-09 17:22:26 -0800 | [diff] [blame] | 42 | import android.app.BroadcastOptions; |
Lorenzo Colitti | 0b59906 | 2016-08-22 22:36:19 +0900 | [diff] [blame] | 43 | import android.app.NotificationManager; |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 44 | import android.app.PendingIntent; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 45 | import android.content.BroadcastReceiver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | import android.content.ContentResolver; |
| 47 | import android.content.Context; |
| 48 | import android.content.Intent; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 49 | import android.content.IntentFilter; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 50 | import android.content.pm.PackageManager; |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 51 | import android.content.res.Configuration; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 52 | import android.database.ContentObserver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 53 | import android.net.ConnectivityManager; |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 54 | import android.net.ConnectivityManager.PacketKeepalive; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | import android.net.IConnectivityManager; |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 56 | import android.net.INetworkManagementEventObserver; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 57 | import android.net.INetworkPolicyListener; |
| 58 | import android.net.INetworkPolicyManager; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 59 | import android.net.INetworkStatsService; |
Jaikumar Ganesh | 15c7439 | 2010-12-21 22:31:44 -0800 | [diff] [blame] | 60 | import android.net.LinkProperties; |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 61 | import android.net.LinkProperties.CompareResult; |
Robert Greenwalt | 9ba9c58 | 2014-03-19 17:56:12 -0700 | [diff] [blame] | 62 | import android.net.Network; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 63 | import android.net.NetworkAgent; |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 64 | import android.net.NetworkCapabilities; |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 65 | import android.net.MatchAllNetworkSpecifier; |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 66 | import android.net.NetworkConfig; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 67 | import android.net.NetworkInfo; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 68 | import android.net.NetworkInfo.DetailedState; |
Sreeram Ramachandran | 8cd33ed | 2014-07-23 15:23:15 -0700 | [diff] [blame] | 69 | import android.net.NetworkMisc; |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 70 | import android.net.NetworkQuotaInfo; |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 71 | import android.net.NetworkRequest; |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 72 | import android.net.NetworkSpecifier; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 73 | import android.net.NetworkState; |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 74 | import android.net.NetworkUtils; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 75 | import android.net.Proxy; |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 76 | import android.net.ProxyInfo; |
Robert Greenwalt | aa70f10 | 2011-04-28 14:28:50 -0700 | [diff] [blame] | 77 | import android.net.RouteInfo; |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 78 | import android.net.UidRange; |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 79 | import android.net.Uri; |
Hugo Benichi | 5f16f76 | 2016-04-20 12:09:33 +0900 | [diff] [blame] | 80 | import android.net.metrics.DefaultNetworkEvent; |
Hugo Benichi | cfddd68 | 2016-05-31 16:28:06 +0900 | [diff] [blame] | 81 | import android.net.metrics.IpConnectivityLog; |
Hugo Benichi | cc92c6e | 2016-04-21 15:02:38 +0900 | [diff] [blame] | 82 | import android.net.metrics.NetworkEvent; |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 83 | import android.net.util.MultinetworkPolicyTracker; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 84 | import android.os.Binder; |
Dianne Hackborn | e0e413e | 2015-12-09 17:22:26 -0800 | [diff] [blame] | 85 | import android.os.Build; |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 86 | import android.os.Bundle; |
Mike Lockwood | da8bb74 | 2011-05-28 13:24:04 -0400 | [diff] [blame] | 87 | import android.os.FileUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 88 | import android.os.Handler; |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 89 | import android.os.HandlerThread; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 90 | import android.os.IBinder; |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 91 | import android.os.INetworkManagementService; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 92 | import android.os.Looper; |
| 93 | import android.os.Message; |
Robert Greenwalt | 665e1ae | 2012-08-21 19:27:00 -0700 | [diff] [blame] | 94 | import android.os.Messenger; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 95 | import android.os.ParcelFileDescriptor; |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 96 | import android.os.Parcelable; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 97 | import android.os.PowerManager; |
Jeff Sharkey | f56e243 | 2012-09-06 17:54:29 -0700 | [diff] [blame] | 98 | import android.os.Process; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 99 | import android.os.RemoteException; |
Jeremy Klein | 36c7aa0 | 2016-01-22 14:11:45 -0800 | [diff] [blame] | 100 | import android.os.ResultReceiver; |
Hugo Benichi | cb88323 | 2017-05-11 13:16:17 +0900 | [diff] [blame] | 101 | import android.os.ServiceSpecificException; |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 102 | import android.os.SystemClock; |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 103 | import android.os.UserHandle; |
Julia Reynolds | fc6b2a0 | 2014-06-24 10:56:55 -0400 | [diff] [blame] | 104 | import android.os.UserManager; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 105 | import android.provider.Settings; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 106 | import android.security.Credentials; |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 107 | import android.security.KeyStore; |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 108 | import android.telephony.TelephonyManager; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 109 | import android.text.TextUtils; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 110 | import android.util.ArraySet; |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 111 | import android.util.LocalLog; |
| 112 | import android.util.LocalLog.ReadOnlyLocalLog; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 113 | import android.util.Log; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 114 | import android.util.Slog; |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 115 | import android.util.SparseArray; |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 116 | import android.util.SparseBooleanArray; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 117 | import android.util.SparseIntArray; |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 118 | import android.util.Xml; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 119 | |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 120 | import com.android.internal.R; |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 121 | import com.android.internal.annotations.GuardedBy; |
Paul Jensen | 67b0b07 | 2015-06-10 11:22:17 -0400 | [diff] [blame] | 122 | import com.android.internal.annotations.VisibleForTesting; |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 123 | import com.android.internal.app.IBatteryStats; |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 124 | import com.android.internal.net.LegacyVpnInfo; |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 125 | import com.android.internal.net.NetworkStatsFactory; |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 126 | import com.android.internal.net.VpnConfig; |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 127 | import com.android.internal.net.VpnInfo; |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 128 | import com.android.internal.net.VpnProfile; |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 129 | import com.android.internal.util.AsyncChannel; |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 130 | import com.android.internal.util.IndentingPrintWriter; |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 131 | import com.android.internal.util.MessageUtils; |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 132 | import com.android.internal.util.WakeupMessage; |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 133 | import com.android.internal.util.XmlUtils; |
Jeff Sharkey | 1059c3c | 2011-10-04 16:54:49 -0700 | [diff] [blame] | 134 | import com.android.server.am.BatteryStatsService; |
John Spurlock | bf991a8 | 2013-06-24 14:20:23 -0400 | [diff] [blame] | 135 | import com.android.server.connectivity.DataConnectionStats; |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 136 | import com.android.server.connectivity.KeepaliveTracker; |
Christopher Wiley | 497c147 | 2016-10-11 13:26:03 -0700 | [diff] [blame] | 137 | import com.android.server.connectivity.MockableSystemProperties; |
Lorenzo Colitti | 13c9fde | 2013-03-15 04:22:37 +0900 | [diff] [blame] | 138 | import com.android.server.connectivity.Nat464Xlat; |
Lorenzo Colitti | 5526f9c | 2016-08-22 16:46:40 +0900 | [diff] [blame] | 139 | import com.android.server.connectivity.LingerMonitor; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 140 | import com.android.server.connectivity.NetworkAgentInfo; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 141 | import com.android.server.connectivity.NetworkDiagnostics; |
Paul Jensen | ca8f16a | 2014-05-09 12:47:55 -0400 | [diff] [blame] | 142 | import com.android.server.connectivity.NetworkMonitor; |
Lorenzo Colitti | f3ae2ee | 2016-08-22 16:30:00 +0900 | [diff] [blame] | 143 | import com.android.server.connectivity.NetworkNotificationManager; |
| 144 | import com.android.server.connectivity.NetworkNotificationManager.NotificationType; |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 145 | import com.android.server.connectivity.PacManager; |
Sreeram Ramachandran | e4a05af | 2014-09-24 09:16:19 -0700 | [diff] [blame] | 146 | import com.android.server.connectivity.PermissionMonitor; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 147 | import com.android.server.connectivity.Tethering; |
Erik Kline | 5a7c8a0 | 2017-04-30 19:36:15 +0900 | [diff] [blame] | 148 | import com.android.server.connectivity.tethering.TetheringDependencies; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 149 | import com.android.server.connectivity.Vpn; |
Jeff Sharkey | 216c181 | 2012-08-05 14:29:23 -0700 | [diff] [blame] | 150 | import com.android.server.net.BaseNetworkObserver; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 151 | import com.android.server.net.LockdownVpnTracker; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 152 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 153 | import com.google.android.collect.Lists; |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 154 | |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 155 | import org.xmlpull.v1.XmlPullParser; |
| 156 | import org.xmlpull.v1.XmlPullParserException; |
| 157 | |
| 158 | import java.io.File; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | import java.io.FileDescriptor; |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 160 | import java.io.FileNotFoundException; |
| 161 | import java.io.FileReader; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 162 | import java.io.IOException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 163 | import java.io.PrintWriter; |
Wink Saville | c9822c5 | 2011-07-14 12:23:28 -0700 | [diff] [blame] | 164 | import java.net.Inet4Address; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 165 | import java.net.InetAddress; |
| 166 | import java.net.UnknownHostException; |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 167 | import java.util.ArrayDeque; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 168 | import java.util.ArrayList; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 169 | import java.util.Arrays; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 170 | import java.util.Collection; |
Vinit Deshapnde | 1f12cb5 | 2013-08-21 13:09:01 -0700 | [diff] [blame] | 171 | import java.util.HashMap; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 172 | import java.util.HashSet; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 173 | import java.util.List; |
Vinit Deshapnde | 1f12cb5 | 2013-08-21 13:09:01 -0700 | [diff] [blame] | 174 | import java.util.Map; |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 175 | import java.util.Objects; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 176 | import java.util.SortedSet; |
| 177 | import java.util.TreeSet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | |
| 179 | /** |
| 180 | * @hide |
| 181 | */ |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 182 | public class ConnectivityService extends IConnectivityManager.Stub |
| 183 | implements PendingIntent.OnFinished { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 184 | private static final String TAG = ConnectivityService.class.getSimpleName(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 185 | |
Erik Kline | 7747fd4 | 2017-05-12 16:52:48 +0900 | [diff] [blame] | 186 | public static final String DIAG_ARG = "--diag"; |
| 187 | public static final String SHORT_ARG = "--short"; |
| 188 | |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 189 | private static final boolean DBG = true; |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 190 | private static final boolean VDBG = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 191 | |
Jake Hamby | 786e71a | 2014-02-06 14:43:50 -0800 | [diff] [blame] | 192 | private static final boolean LOGD_RULES = false; |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 193 | private static final boolean LOGD_BLOCKED_NETWORKINFO = true; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 194 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 195 | // TODO: create better separation between radio types and network types |
| 196 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 197 | // how long to wait before switching back to a radio's default network |
| 198 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 199 | // system property that can override the above value |
| 200 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 201 | "android.telephony.apn-restore"; |
| 202 | |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 203 | // How long to wait before putting up a "This network doesn't have an Internet connection, |
| 204 | // connect anyway?" dialog after the user selects a network that doesn't validate. |
| 205 | private static final int PROMPT_UNVALIDATED_DELAY_MS = 8 * 1000; |
| 206 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 207 | // Default to 30s linger time-out. Modifiable only for testing. |
| 208 | private static final String LINGER_DELAY_PROPERTY = "persist.netmon.linger"; |
| 209 | private static final int DEFAULT_LINGER_DELAY_MS = 30_000; |
| 210 | @VisibleForTesting |
| 211 | protected int mLingerDelayMs; // Can't be final, or test subclass constructors can't change it. |
| 212 | |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 213 | // How long to delay to removal of a pending intent based request. |
| 214 | // See Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS |
| 215 | private final int mReleasePendingIntentDelayMs; |
| 216 | |
Joel Scherpelz | b369bf5 | 2017-05-22 13:47:41 +0900 | [diff] [blame^] | 217 | // Driver specific constants used to select packets received via |
| 218 | // WiFi that caused the phone to exit sleep state. Currently there |
| 219 | // is only one kernel implementation so we can get away with |
| 220 | // constants. |
| 221 | private static final int mWakeupPacketMark = 0x80000000; |
| 222 | private static final int mWakeupPacketMask = 0x80000000; |
| 223 | |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 224 | private MockableSystemProperties mSystemProperties; |
| 225 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 226 | private Tethering mTethering; |
| 227 | |
Sreeram Ramachandran | e4a05af | 2014-09-24 09:16:19 -0700 | [diff] [blame] | 228 | private final PermissionMonitor mPermissionMonitor; |
| 229 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 230 | private KeyStore mKeyStore; |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 231 | |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 232 | @GuardedBy("mVpns") |
| 233 | private final SparseArray<Vpn> mVpns = new SparseArray<Vpn>(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 234 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 235 | private boolean mLockdownEnabled; |
| 236 | private LockdownVpnTracker mLockdownTracker; |
| 237 | |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 238 | /** Lock around {@link #mUidRules} and {@link #mMeteredIfaces}. */ |
| 239 | private Object mRulesLock = new Object(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 240 | /** Currently active network rules by UID. */ |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 241 | @GuardedBy("mRulesLock") |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 242 | private SparseIntArray mUidRules = new SparseIntArray(); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 243 | /** Set of ifaces that are costly. */ |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 244 | @GuardedBy("mRulesLock") |
| 245 | private ArraySet<String> mMeteredIfaces = new ArraySet<>(); |
| 246 | /** Flag indicating if background data is restricted. */ |
| 247 | @GuardedBy("mRulesLock") |
| 248 | private boolean mRestrictBackground; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 249 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 250 | final private Context mContext; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 251 | private int mNetworkPreference; |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 252 | // 0 is full bad, 100 is full good |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 253 | private int mDefaultInetConditionPublished = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 254 | |
Robert Greenwalt | 0dd19a8 | 2013-02-11 15:25:10 -0800 | [diff] [blame] | 255 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 256 | |
| 257 | private boolean mTestMode; |
Joe Onorato | 0009287 | 2010-09-01 21:18:22 -0700 | [diff] [blame] | 258 | private static ConnectivityService sServiceInstance; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 259 | |
Robert Greenwalt | 59b1a4e | 2011-05-10 15:05:02 -0700 | [diff] [blame] | 260 | private INetworkManagementService mNetd; |
Jeff Sharkey | 6973634 | 2014-12-08 14:50:12 -0800 | [diff] [blame] | 261 | private INetworkStatsService mStatsService; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 262 | private INetworkPolicyManager mPolicyManager; |
Robert Greenwalt | 59b1a4e | 2011-05-10 15:05:02 -0700 | [diff] [blame] | 263 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 264 | private String mCurrentTcpBufferSizes; |
| 265 | |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 266 | private static final int ENABLED = 1; |
| 267 | private static final int DISABLED = 0; |
| 268 | |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 269 | private static final SparseArray<String> sMagicDecoderRing = MessageUtils.findMessageNames( |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 270 | new Class[] { AsyncChannel.class, ConnectivityService.class, NetworkAgent.class, |
| 271 | NetworkAgentInfo.class }); |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 272 | |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 273 | private enum ReapUnvalidatedNetworks { |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 274 | // Tear down networks that have no chance (e.g. even if validated) of becoming |
| 275 | // the highest scoring network satisfying a NetworkRequest. This should be passed when |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 276 | // all networks have been rematched against all NetworkRequests. |
| 277 | REAP, |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 278 | // Don't reap networks. This should be passed when some networks have not yet been |
| 279 | // rematched against all NetworkRequests. |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 280 | DONT_REAP |
| 281 | }; |
| 282 | |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 283 | private enum UnneededFor { |
| 284 | LINGER, // Determine whether this network is unneeded and should be lingered. |
| 285 | TEARDOWN, // Determine whether this network is unneeded and should be torn down. |
| 286 | } |
| 287 | |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 288 | /** |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 289 | * used internally to change our mobile data enabled flag |
| 290 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 291 | private static final int EVENT_CHANGE_MOBILE_DATA_ENABLED = 2; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 292 | |
| 293 | /** |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 294 | * used internally to clear a wakelock when transitioning |
Robert Greenwalt | 2771181 | 2014-06-25 16:45:57 -0700 | [diff] [blame] | 295 | * from one net to another. Clear happens when we get a new |
| 296 | * network - EVENT_EXPIRE_NET_TRANSITION_WAKELOCK happens |
| 297 | * after a timeout if no network is found (typically 1 min). |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 298 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 299 | private static final int EVENT_CLEAR_NET_TRANSITION_WAKELOCK = 8; |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 300 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 301 | /** |
| 302 | * used internally to reload global proxy settings |
| 303 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 304 | private static final int EVENT_APPLY_GLOBAL_HTTP_PROXY = 9; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 305 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 306 | /** |
Jason Monk | decd295 | 2013-10-10 14:02:51 -0400 | [diff] [blame] | 307 | * PAC manager has received new port. |
| 308 | */ |
| 309 | private static final int EVENT_PROXY_HAS_CHANGED = 16; |
| 310 | |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 311 | /** |
| 312 | * used internally when registering NetworkFactories |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 313 | * obj = NetworkFactoryInfo |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 314 | */ |
| 315 | private static final int EVENT_REGISTER_NETWORK_FACTORY = 17; |
| 316 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 317 | /** |
| 318 | * used internally when registering NetworkAgents |
| 319 | * obj = Messenger |
| 320 | */ |
| 321 | private static final int EVENT_REGISTER_NETWORK_AGENT = 18; |
| 322 | |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 323 | /** |
| 324 | * used to add a network request |
| 325 | * includes a NetworkRequestInfo |
| 326 | */ |
| 327 | private static final int EVENT_REGISTER_NETWORK_REQUEST = 19; |
| 328 | |
| 329 | /** |
| 330 | * indicates a timeout period is over - check if we had a network yet or not |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 331 | * and if not, call the timeout callback (but leave the request live until they |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 332 | * cancel it. |
| 333 | * includes a NetworkRequestInfo |
| 334 | */ |
| 335 | private static final int EVENT_TIMEOUT_NETWORK_REQUEST = 20; |
| 336 | |
| 337 | /** |
| 338 | * used to add a network listener - no request |
| 339 | * includes a NetworkRequestInfo |
| 340 | */ |
| 341 | private static final int EVENT_REGISTER_NETWORK_LISTENER = 21; |
| 342 | |
| 343 | /** |
| 344 | * used to remove a network request, either a listener or a real request |
Paul Jensen | 7ecb42f | 2014-05-16 14:31:12 -0400 | [diff] [blame] | 345 | * arg1 = UID of caller |
| 346 | * obj = NetworkRequest |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 347 | */ |
| 348 | private static final int EVENT_RELEASE_NETWORK_REQUEST = 22; |
| 349 | |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 350 | /** |
| 351 | * used internally when registering NetworkFactories |
| 352 | * obj = Messenger |
| 353 | */ |
| 354 | private static final int EVENT_UNREGISTER_NETWORK_FACTORY = 23; |
| 355 | |
Robert Greenwalt | 2771181 | 2014-06-25 16:45:57 -0700 | [diff] [blame] | 356 | /** |
| 357 | * used internally to expire a wakelock when transitioning |
| 358 | * from one net to another. Expire happens when we fail to find |
| 359 | * a new network (typically after 1 minute) - |
| 360 | * EVENT_CLEAR_NET_TRANSITION_WAKELOCK happens if we had found |
| 361 | * a replacement network. |
| 362 | */ |
| 363 | private static final int EVENT_EXPIRE_NET_TRANSITION_WAKELOCK = 24; |
| 364 | |
Robert Greenwalt | fb68f8f | 2014-08-13 13:43:32 -0700 | [diff] [blame] | 365 | /** |
| 366 | * Used internally to indicate the system is ready. |
| 367 | */ |
| 368 | private static final int EVENT_SYSTEM_READY = 25; |
| 369 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 370 | /** |
| 371 | * used to add a network request with a pending intent |
Paul Jensen | 694f2b8 | 2015-06-17 14:15:39 -0400 | [diff] [blame] | 372 | * obj = NetworkRequestInfo |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 373 | */ |
| 374 | private static final int EVENT_REGISTER_NETWORK_REQUEST_WITH_INTENT = 26; |
| 375 | |
| 376 | /** |
| 377 | * used to remove a pending intent and its associated network request. |
| 378 | * arg1 = UID of caller |
| 379 | * obj = PendingIntent |
| 380 | */ |
| 381 | private static final int EVENT_RELEASE_NETWORK_REQUEST_WITH_INTENT = 27; |
| 382 | |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 383 | /** |
| 384 | * used to specify whether a network should be used even if unvalidated. |
| 385 | * arg1 = whether to accept the network if it's unvalidated (1 or 0) |
| 386 | * arg2 = whether to remember this choice in the future (1 or 0) |
| 387 | * obj = network |
| 388 | */ |
| 389 | private static final int EVENT_SET_ACCEPT_UNVALIDATED = 28; |
| 390 | |
| 391 | /** |
| 392 | * used to ask the user to confirm a connection to an unvalidated network. |
| 393 | * obj = network |
| 394 | */ |
| 395 | private static final int EVENT_PROMPT_UNVALIDATED = 29; |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 396 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 397 | /** |
| 398 | * used internally to (re)configure mobile data always-on settings. |
| 399 | */ |
| 400 | private static final int EVENT_CONFIGURE_MOBILE_DATA_ALWAYS_ON = 30; |
| 401 | |
Paul Jensen | 694f2b8 | 2015-06-17 14:15:39 -0400 | [diff] [blame] | 402 | /** |
| 403 | * used to add a network listener with a pending intent |
| 404 | * obj = NetworkRequestInfo |
| 405 | */ |
| 406 | private static final int EVENT_REGISTER_NETWORK_LISTENER_WITH_INTENT = 31; |
| 407 | |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 408 | /** |
| 409 | * used to specify whether a network should not be penalized when it becomes unvalidated. |
| 410 | */ |
| 411 | private static final int EVENT_SET_AVOID_UNVALIDATED = 35; |
| 412 | |
| 413 | /** |
| 414 | * used to trigger revalidation of a network. |
| 415 | */ |
| 416 | private static final int EVENT_REVALIDATE_NETWORK = 36; |
| 417 | |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 418 | private static String eventName(int what) { |
| 419 | return sMagicDecoderRing.get(what, Integer.toString(what)); |
| 420 | } |
| 421 | |
Lorenzo Colitti | e58961a | 2015-08-07 20:17:27 +0900 | [diff] [blame] | 422 | /** Handler thread used for both of the handlers below. */ |
| 423 | @VisibleForTesting |
| 424 | protected final HandlerThread mHandlerThread; |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 425 | /** Handler used for internal events. */ |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 426 | final private InternalHandler mHandler; |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 427 | /** Handler used for incoming {@link NetworkStateTracker} events. */ |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 428 | final private NetworkStateTrackerHandler mTrackerHandler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 429 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 430 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 431 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 432 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 433 | private PowerManager.WakeLock mNetTransitionWakeLock; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 434 | private int mNetTransitionWakeLockTimeout; |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 435 | private final PowerManager.WakeLock mPendingIntentWakeLock; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 436 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 437 | // track the current default http proxy - tell the world if we get a new one (real change) |
Jason Monk | cf0f97a | 2014-10-02 15:39:38 -0400 | [diff] [blame] | 438 | private volatile ProxyInfo mDefaultProxy = null; |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 439 | private Object mProxyLock = new Object(); |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 440 | private boolean mDefaultProxyDisabled = false; |
| 441 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 442 | // track the global proxy. |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 443 | private ProxyInfo mGlobalProxy = null; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 444 | |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 445 | private PacManager mPacManager = null; |
| 446 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 447 | final private SettingsObserver mSettingsObserver; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 448 | |
Julia Reynolds | fc6b2a0 | 2014-06-24 10:56:55 -0400 | [diff] [blame] | 449 | private UserManager mUserManager; |
| 450 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 451 | NetworkConfig[] mNetConfigs; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 452 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 453 | |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 454 | // the set of network types that can only be enabled by system/sig apps |
| 455 | List mProtectedNetworks; |
| 456 | |
John Spurlock | bf991a8 | 2013-06-24 14:20:23 -0400 | [diff] [blame] | 457 | private DataConnectionStats mDataConnectionStats; |
Vinit Deshapnde | 1f12cb5 | 2013-08-21 13:09:01 -0700 | [diff] [blame] | 458 | |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 459 | TelephonyManager mTelephonyManager; |
John Spurlock | bf991a8 | 2013-06-24 14:20:23 -0400 | [diff] [blame] | 460 | |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 461 | private KeepaliveTracker mKeepaliveTracker; |
Lorenzo Colitti | f3ae2ee | 2016-08-22 16:30:00 +0900 | [diff] [blame] | 462 | private NetworkNotificationManager mNotifier; |
Lorenzo Colitti | 5526f9c | 2016-08-22 16:46:40 +0900 | [diff] [blame] | 463 | private LingerMonitor mLingerMonitor; |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 464 | |
Sreeram Ramachandran | 8f4d42c | 2014-09-05 16:06:34 -0700 | [diff] [blame] | 465 | // sequence number for Networks; keep in sync with system/netd/NetworkController.cpp |
| 466 | private final static int MIN_NET_ID = 100; // some reserved marks |
Robert Greenwalt | 9ba9c58 | 2014-03-19 17:56:12 -0700 | [diff] [blame] | 467 | private final static int MAX_NET_ID = 65535; |
| 468 | private int mNextNetId = MIN_NET_ID; |
| 469 | |
Robert Greenwalt | 34524f0 | 2014-05-18 16:22:10 -0700 | [diff] [blame] | 470 | // sequence number of NetworkRequests |
| 471 | private int mNextNetworkRequestId = 1; |
| 472 | |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 473 | // NetworkRequest activity String log entries. |
| 474 | private static final int MAX_NETWORK_REQUEST_LOGS = 20; |
| 475 | private final LocalLog mNetworkRequestInfoLogs = new LocalLog(MAX_NETWORK_REQUEST_LOGS); |
| 476 | |
Hugo Benichi | c2ae287 | 2016-07-11 11:05:12 +0900 | [diff] [blame] | 477 | // NetworkInfo blocked and unblocked String log entries |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 478 | private static final int MAX_NETWORK_INFO_LOGS = 40; |
Hugo Benichi | c2ae287 | 2016-07-11 11:05:12 +0900 | [diff] [blame] | 479 | private final LocalLog mNetworkInfoBlockingLogs = new LocalLog(MAX_NETWORK_INFO_LOGS); |
| 480 | |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 481 | private static final int MAX_WAKELOCK_LOGS = 20; |
| 482 | private final LocalLog mWakelockLogs = new LocalLog(MAX_WAKELOCK_LOGS); |
| 483 | |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 484 | // Array of <Network,ReadOnlyLocalLogs> tracking network validation and results |
| 485 | private static final int MAX_VALIDATION_LOGS = 10; |
Paul Jensen | 0808eb8 | 2016-06-03 13:51:21 -0400 | [diff] [blame] | 486 | private static class ValidationLog { |
| 487 | final Network mNetwork; |
| 488 | final String mNetworkExtraInfo; |
| 489 | final ReadOnlyLocalLog mLog; |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 490 | |
Paul Jensen | 0808eb8 | 2016-06-03 13:51:21 -0400 | [diff] [blame] | 491 | ValidationLog(Network network, String networkExtraInfo, ReadOnlyLocalLog log) { |
| 492 | mNetwork = network; |
| 493 | mNetworkExtraInfo = networkExtraInfo; |
| 494 | mLog = log; |
| 495 | } |
| 496 | } |
| 497 | private final ArrayDeque<ValidationLog> mValidationLogs = |
| 498 | new ArrayDeque<ValidationLog>(MAX_VALIDATION_LOGS); |
| 499 | |
| 500 | private void addValidationLogs(ReadOnlyLocalLog log, Network network, String networkExtraInfo) { |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 501 | synchronized (mValidationLogs) { |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 502 | while (mValidationLogs.size() >= MAX_VALIDATION_LOGS) { |
| 503 | mValidationLogs.removeLast(); |
| 504 | } |
Paul Jensen | 0808eb8 | 2016-06-03 13:51:21 -0400 | [diff] [blame] | 505 | mValidationLogs.addFirst(new ValidationLog(network, networkExtraInfo, log)); |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 506 | } |
| 507 | } |
| 508 | |
Hugo Benichi | f9fdf87 | 2016-07-28 17:53:06 +0900 | [diff] [blame] | 509 | private final IpConnectivityLog mMetricsLog; |
Hugo Benichi | cfddd68 | 2016-05-31 16:28:06 +0900 | [diff] [blame] | 510 | |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 511 | @VisibleForTesting |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 512 | final MultinetworkPolicyTracker mMultinetworkPolicyTracker; |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 513 | |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 514 | /** |
| 515 | * Implements support for the legacy "one network per network type" model. |
| 516 | * |
| 517 | * We used to have a static array of NetworkStateTrackers, one for each |
| 518 | * network type, but that doesn't work any more now that we can have, |
| 519 | * for example, more that one wifi network. This class stores all the |
| 520 | * NetworkAgentInfo objects that support a given type, but the legacy |
| 521 | * API will only see the first one. |
| 522 | * |
| 523 | * It serves two main purposes: |
| 524 | * |
| 525 | * 1. Provide information about "the network for a given type" (since this |
| 526 | * API only supports one). |
| 527 | * 2. Send legacy connectivity change broadcasts. Broadcasts are sent if |
| 528 | * the first network for a given type changes, or if the default network |
| 529 | * changes. |
| 530 | */ |
| 531 | private class LegacyTypeTracker { |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 532 | |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 533 | private static final boolean DBG = true; |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 534 | private static final boolean VDBG = false; |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 535 | |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 536 | /** |
| 537 | * Array of lists, one per legacy network type (e.g., TYPE_MOBILE_MMS). |
| 538 | * Each list holds references to all NetworkAgentInfos that are used to |
| 539 | * satisfy requests for that network type. |
| 540 | * |
| 541 | * This array is built out at startup such that an unsupported network |
| 542 | * doesn't get an ArrayList instance, making this a tristate: |
| 543 | * unsupported, supported but not active and active. |
| 544 | * |
| 545 | * The actual lists are populated when we scan the network types that |
| 546 | * are supported on this device. |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 547 | * |
| 548 | * Threading model: |
| 549 | * - addSupportedType() is only called in the constructor |
| 550 | * - add(), update(), remove() are only called from the ConnectivityService handler thread. |
| 551 | * They are therefore not thread-safe with respect to each other. |
| 552 | * - getNetworkForType() can be called at any time on binder threads. It is synchronized |
| 553 | * on mTypeLists to be thread-safe with respect to a concurrent remove call. |
| 554 | * - dump is thread-safe with respect to concurrent add and remove calls. |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 555 | */ |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 556 | private final ArrayList<NetworkAgentInfo> mTypeLists[]; |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 557 | |
| 558 | public LegacyTypeTracker() { |
| 559 | mTypeLists = (ArrayList<NetworkAgentInfo>[]) |
| 560 | new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE + 1]; |
| 561 | } |
| 562 | |
| 563 | public void addSupportedType(int type) { |
| 564 | if (mTypeLists[type] != null) { |
| 565 | throw new IllegalStateException( |
| 566 | "legacy list for type " + type + "already initialized"); |
| 567 | } |
| 568 | mTypeLists[type] = new ArrayList<NetworkAgentInfo>(); |
| 569 | } |
| 570 | |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 571 | public boolean isTypeSupported(int type) { |
| 572 | return isNetworkTypeValid(type) && mTypeLists[type] != null; |
| 573 | } |
| 574 | |
| 575 | public NetworkAgentInfo getNetworkForType(int type) { |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 576 | synchronized (mTypeLists) { |
| 577 | if (isTypeSupported(type) && !mTypeLists[type].isEmpty()) { |
| 578 | return mTypeLists[type].get(0); |
| 579 | } |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 580 | } |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 581 | return null; |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 582 | } |
| 583 | |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 584 | private void maybeLogBroadcast(NetworkAgentInfo nai, DetailedState state, int type, |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 585 | boolean isDefaultNetwork) { |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 586 | if (DBG) { |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 587 | log("Sending " + state + |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 588 | " broadcast for type " + type + " " + nai.name() + |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 589 | " isDefaultNetwork=" + isDefaultNetwork); |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 590 | } |
| 591 | } |
| 592 | |
| 593 | /** Adds the given network to the specified legacy type list. */ |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 594 | public void add(int type, NetworkAgentInfo nai) { |
| 595 | if (!isTypeSupported(type)) { |
| 596 | return; // Invalid network type. |
| 597 | } |
| 598 | if (VDBG) log("Adding agent " + nai + " for legacy network type " + type); |
| 599 | |
| 600 | ArrayList<NetworkAgentInfo> list = mTypeLists[type]; |
| 601 | if (list.contains(nai)) { |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 602 | return; |
| 603 | } |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 604 | synchronized (mTypeLists) { |
| 605 | list.add(nai); |
| 606 | } |
Lorenzo Colitti | 061f415 | 2014-09-28 16:08:06 +0900 | [diff] [blame] | 607 | |
| 608 | // Send a broadcast if this is the first network of its type or if it's the default. |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 609 | final boolean isDefaultNetwork = isDefaultNetwork(nai); |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 610 | if ((list.size() == 1) || isDefaultNetwork) { |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 611 | maybeLogBroadcast(nai, DetailedState.CONNECTED, type, isDefaultNetwork); |
| 612 | sendLegacyNetworkBroadcast(nai, DetailedState.CONNECTED, type); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 613 | } |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 614 | } |
| 615 | |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 616 | /** Removes the given network from the specified legacy type list. */ |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 617 | public void remove(int type, NetworkAgentInfo nai, boolean wasDefault) { |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 618 | ArrayList<NetworkAgentInfo> list = mTypeLists[type]; |
| 619 | if (list == null || list.isEmpty()) { |
| 620 | return; |
| 621 | } |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 622 | final boolean wasFirstNetwork = list.get(0).equals(nai); |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 623 | |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 624 | synchronized (mTypeLists) { |
| 625 | if (!list.remove(nai)) { |
| 626 | return; |
| 627 | } |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 628 | } |
| 629 | |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 630 | final DetailedState state = DetailedState.DISCONNECTED; |
| 631 | |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 632 | if (wasFirstNetwork || wasDefault) { |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 633 | maybeLogBroadcast(nai, state, type, wasDefault); |
| 634 | sendLegacyNetworkBroadcast(nai, state, type); |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | if (!list.isEmpty() && wasFirstNetwork) { |
| 638 | if (DBG) log("Other network available for type " + type + |
| 639 | ", sending connected broadcast"); |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 640 | final NetworkAgentInfo replacement = list.get(0); |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 641 | maybeLogBroadcast(replacement, state, type, isDefaultNetwork(replacement)); |
| 642 | sendLegacyNetworkBroadcast(replacement, state, type); |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 643 | } |
| 644 | } |
| 645 | |
| 646 | /** Removes the given network from all legacy type lists. */ |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 647 | public void remove(NetworkAgentInfo nai, boolean wasDefault) { |
| 648 | if (VDBG) log("Removing agent " + nai + " wasDefault=" + wasDefault); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 649 | for (int type = 0; type < mTypeLists.length; type++) { |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 650 | remove(type, nai, wasDefault); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 651 | } |
| 652 | } |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 653 | |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 654 | // send out another legacy broadcast - currently only used for suspend/unsuspend |
| 655 | // toggle |
| 656 | public void update(NetworkAgentInfo nai) { |
| 657 | final boolean isDefault = isDefaultNetwork(nai); |
| 658 | final DetailedState state = nai.networkInfo.getDetailedState(); |
| 659 | for (int type = 0; type < mTypeLists.length; type++) { |
| 660 | final ArrayList<NetworkAgentInfo> list = mTypeLists[type]; |
Robert Greenwalt | 3ac71b7 | 2015-07-10 16:00:36 -0700 | [diff] [blame] | 661 | final boolean contains = (list != null && list.contains(nai)); |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 662 | final boolean isFirst = contains && (nai == list.get(0)); |
| 663 | if (isFirst || contains && isDefault) { |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 664 | maybeLogBroadcast(nai, state, type, isDefault); |
| 665 | sendLegacyNetworkBroadcast(nai, state, type); |
| 666 | } |
| 667 | } |
| 668 | } |
| 669 | |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 670 | private String naiToString(NetworkAgentInfo nai) { |
| 671 | String name = (nai != null) ? nai.name() : "null"; |
| 672 | String state = (nai.networkInfo != null) ? |
| 673 | nai.networkInfo.getState() + "/" + nai.networkInfo.getDetailedState() : |
| 674 | "???/???"; |
| 675 | return name + " " + state; |
| 676 | } |
| 677 | |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 678 | public void dump(IndentingPrintWriter pw) { |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 679 | pw.println("mLegacyTypeTracker:"); |
| 680 | pw.increaseIndent(); |
| 681 | pw.print("Supported types:"); |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 682 | for (int type = 0; type < mTypeLists.length; type++) { |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 683 | if (mTypeLists[type] != null) pw.print(" " + type); |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 684 | } |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 685 | pw.println(); |
| 686 | pw.println("Current state:"); |
| 687 | pw.increaseIndent(); |
Hugo Benichi | 78caa258 | 2016-06-21 09:48:07 +0900 | [diff] [blame] | 688 | synchronized (mTypeLists) { |
| 689 | for (int type = 0; type < mTypeLists.length; type++) { |
| 690 | if (mTypeLists[type] == null || mTypeLists[type].isEmpty()) continue; |
| 691 | for (NetworkAgentInfo nai : mTypeLists[type]) { |
| 692 | pw.println(type + " " + naiToString(nai)); |
| 693 | } |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 694 | } |
| 695 | } |
| 696 | pw.decreaseIndent(); |
| 697 | pw.decreaseIndent(); |
| 698 | pw.println(); |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 699 | } |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 700 | } |
| 701 | private LegacyTypeTracker mLegacyTypeTracker = new LegacyTypeTracker(); |
| 702 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 703 | public ConnectivityService(Context context, INetworkManagementService netManager, |
Robert Greenwalt | 6831f1d | 2014-07-27 12:06:40 -0700 | [diff] [blame] | 704 | INetworkStatsService statsService, INetworkPolicyManager policyManager) { |
Hugo Benichi | f9fdf87 | 2016-07-28 17:53:06 +0900 | [diff] [blame] | 705 | this(context, netManager, statsService, policyManager, new IpConnectivityLog()); |
| 706 | } |
| 707 | |
| 708 | @VisibleForTesting |
| 709 | protected ConnectivityService(Context context, INetworkManagementService netManager, |
| 710 | INetworkStatsService statsService, INetworkPolicyManager policyManager, |
| 711 | IpConnectivityLog logger) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 712 | if (DBG) log("ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 713 | |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 714 | mSystemProperties = getSystemProperties(); |
| 715 | |
Hugo Benichi | f9fdf87 | 2016-07-28 17:53:06 +0900 | [diff] [blame] | 716 | mMetricsLog = logger; |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 717 | mDefaultRequest = createInternetRequestForTransport(-1, NetworkRequest.Type.REQUEST); |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 718 | NetworkRequestInfo defaultNRI = new NetworkRequestInfo(null, mDefaultRequest, new Binder()); |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 719 | mNetworkRequests.put(mDefaultRequest, defaultNRI); |
| 720 | mNetworkRequestInfoLogs.log("REGISTER " + defaultNRI); |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 721 | |
| 722 | mDefaultMobileDataRequest = createInternetRequestForTransport( |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 723 | NetworkCapabilities.TRANSPORT_CELLULAR, NetworkRequest.Type.BACKGROUND_REQUEST); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 724 | |
Hugo Benichi | ad4db4e | 2016-10-17 15:54:51 +0900 | [diff] [blame] | 725 | mHandlerThread = new HandlerThread("ConnectivityServiceThread"); |
Lorenzo Colitti | e58961a | 2015-08-07 20:17:27 +0900 | [diff] [blame] | 726 | mHandlerThread.start(); |
| 727 | mHandler = new InternalHandler(mHandlerThread.getLooper()); |
| 728 | mTrackerHandler = new NetworkStateTrackerHandler(mHandlerThread.getLooper()); |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 729 | |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 730 | mReleasePendingIntentDelayMs = Settings.Secure.getInt(context.getContentResolver(), |
| 731 | Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, 5_000); |
| 732 | |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 733 | mLingerDelayMs = mSystemProperties.getInt(LINGER_DELAY_PROPERTY, DEFAULT_LINGER_DELAY_MS); |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 734 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 735 | mContext = checkNotNull(context, "missing Context"); |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 736 | mNetd = checkNotNull(netManager, "missing INetworkManagementService"); |
Jeff Sharkey | 6973634 | 2014-12-08 14:50:12 -0800 | [diff] [blame] | 737 | mStatsService = checkNotNull(statsService, "missing INetworkStatsService"); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 738 | mPolicyManager = checkNotNull(policyManager, "missing INetworkPolicyManager"); |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 739 | mKeyStore = KeyStore.getInstance(); |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 740 | mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 741 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 742 | try { |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 743 | mPolicyManager.setConnectivityListener(mPolicyListener); |
| 744 | mRestrictBackground = mPolicyManager.getRestrictBackground(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 745 | } catch (RemoteException e) { |
| 746 | // ouch, no rules updates means some processes may never get network |
Felipe Leme | d31a97f | 2016-05-06 14:53:50 -0700 | [diff] [blame] | 747 | loge("unable to register INetworkPolicyListener" + e); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | final PowerManager powerManager = (PowerManager) context.getSystemService( |
| 751 | Context.POWER_SERVICE); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 752 | mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 753 | mNetTransitionWakeLockTimeout = mContext.getResources().getInteger( |
| 754 | com.android.internal.R.integer.config_networkTransitionTimeout); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 755 | mPendingIntentWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 756 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 757 | mNetConfigs = new NetworkConfig[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 758 | |
Wink Saville | 51f456f | 2013-04-23 14:26:51 -0700 | [diff] [blame] | 759 | // TODO: What is the "correct" way to do determine if this is a wifi only device? |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 760 | boolean wifiOnly = mSystemProperties.getBoolean("ro.radio.noril", false); |
Wink Saville | 51f456f | 2013-04-23 14:26:51 -0700 | [diff] [blame] | 761 | log("wifiOnly=" + wifiOnly); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 762 | String[] naStrings = context.getResources().getStringArray( |
| 763 | com.android.internal.R.array.networkAttributes); |
| 764 | for (String naString : naStrings) { |
| 765 | try { |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 766 | NetworkConfig n = new NetworkConfig(naString); |
Wink Saville | 5e56bc5 | 2013-07-29 15:00:57 -0700 | [diff] [blame] | 767 | if (VDBG) log("naString=" + naString + " config=" + n); |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 768 | if (n.type > ConnectivityManager.MAX_NETWORK_TYPE) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 769 | loge("Error in networkAttributes - ignoring attempt to define type " + |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 770 | n.type); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 771 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 772 | } |
Wink Saville | 51f456f | 2013-04-23 14:26:51 -0700 | [diff] [blame] | 773 | if (wifiOnly && ConnectivityManager.isNetworkTypeMobile(n.type)) { |
| 774 | log("networkAttributes - ignoring mobile as this dev is wifiOnly " + |
| 775 | n.type); |
| 776 | continue; |
| 777 | } |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 778 | if (mNetConfigs[n.type] != null) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 779 | loge("Error in networkAttributes - ignoring attempt to redefine type " + |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 780 | n.type); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 781 | continue; |
| 782 | } |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 783 | mLegacyTypeTracker.addSupportedType(n.type); |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 784 | |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 785 | mNetConfigs[n.type] = n; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 786 | mNetworksDefined++; |
| 787 | } catch(Exception e) { |
| 788 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 789 | } |
| 790 | } |
Sreeram Ramachandran | 60c0c0d | 2014-10-30 14:55:29 -0700 | [diff] [blame] | 791 | |
| 792 | // Forcibly add TYPE_VPN as a supported type, if it has not already been added via config. |
| 793 | if (mNetConfigs[TYPE_VPN] == null) { |
| 794 | // mNetConfigs is used only for "restore time", which isn't applicable to VPNs, so we |
| 795 | // don't need to add TYPE_VPN to mNetConfigs. |
| 796 | mLegacyTypeTracker.addSupportedType(TYPE_VPN); |
| 797 | mNetworksDefined++; // used only in the log() statement below. |
| 798 | } |
| 799 | |
Wink Saville | 5e56bc5 | 2013-07-29 15:00:57 -0700 | [diff] [blame] | 800 | if (VDBG) log("mNetworksDefined=" + mNetworksDefined); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 801 | |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 802 | mProtectedNetworks = new ArrayList<Integer>(); |
| 803 | int[] protectedNetworks = context.getResources().getIntArray( |
| 804 | com.android.internal.R.array.config_protectedNetworks); |
| 805 | for (int p : protectedNetworks) { |
| 806 | if ((mNetConfigs[p] != null) && (mProtectedNetworks.contains(p) == false)) { |
| 807 | mProtectedNetworks.add(p); |
| 808 | } else { |
| 809 | if (DBG) loge("Ignoring protectedNetwork " + p); |
| 810 | } |
| 811 | } |
| 812 | |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 813 | mTestMode = mSystemProperties.get("cm.test.mode").equals("true") |
| 814 | && mSystemProperties.get("ro.build.type").equals("eng"); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 815 | |
Erik Kline | 5a7c8a0 | 2017-04-30 19:36:15 +0900 | [diff] [blame] | 816 | mTethering = makeTethering(); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 817 | |
Sreeram Ramachandran | e4a05af | 2014-09-24 09:16:19 -0700 | [diff] [blame] | 818 | mPermissionMonitor = new PermissionMonitor(mContext, mNetd); |
| 819 | |
Robert Greenwalt | bfc7634 | 2013-07-19 14:30:49 -0700 | [diff] [blame] | 820 | //set up the listener for user state for creating user VPNs |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 821 | IntentFilter intentFilter = new IntentFilter(); |
Robin Lee | 323f29d | 2016-05-04 16:38:06 +0100 | [diff] [blame] | 822 | intentFilter.addAction(Intent.ACTION_USER_STARTED); |
Amith Yamasani | ad2e4bf | 2016-04-26 14:35:54 -0700 | [diff] [blame] | 823 | intentFilter.addAction(Intent.ACTION_USER_STOPPED); |
Fyodor Kupolov | 1c36315 | 2015-09-02 13:27:21 -0700 | [diff] [blame] | 824 | intentFilter.addAction(Intent.ACTION_USER_ADDED); |
| 825 | intentFilter.addAction(Intent.ACTION_USER_REMOVED); |
Robin Lee | 89e7a69 | 2016-02-29 14:38:17 +0000 | [diff] [blame] | 826 | intentFilter.addAction(Intent.ACTION_USER_UNLOCKED); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 827 | mContext.registerReceiverAsUser( |
| 828 | mUserIntentReceiver, UserHandle.ALL, intentFilter, null, null); |
Robin Lee | 95204e0 | 2017-01-27 11:59:22 +0000 | [diff] [blame] | 829 | mContext.registerReceiverAsUser(mUserPresentReceiver, UserHandle.SYSTEM, |
| 830 | new IntentFilter(Intent.ACTION_USER_PRESENT), null, null); |
Lorenzo Colitti | 13c9fde | 2013-03-15 04:22:37 +0900 | [diff] [blame] | 831 | |
Chia-chi Yeh | 008ff39 | 2011-05-23 15:08:29 -0700 | [diff] [blame] | 832 | try { |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 833 | mNetd.registerObserver(mTethering); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 834 | mNetd.registerObserver(mDataActivityObserver); |
Chia-chi Yeh | 008ff39 | 2011-05-23 15:08:29 -0700 | [diff] [blame] | 835 | } catch (RemoteException e) { |
| 836 | loge("Error registering observer :" + e); |
| 837 | } |
| 838 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 839 | mSettingsObserver = new SettingsObserver(mContext, mHandler); |
| 840 | registerSettingsCallbacks(); |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 841 | |
John Spurlock | bf991a8 | 2013-06-24 14:20:23 -0400 | [diff] [blame] | 842 | mDataConnectionStats = new DataConnectionStats(mContext); |
| 843 | mDataConnectionStats.startMonitoring(); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 844 | |
Jason Monk | decd295 | 2013-10-10 14:02:51 -0400 | [diff] [blame] | 845 | mPacManager = new PacManager(mContext, mHandler, EVENT_PROXY_HAS_CHANGED); |
Wink Saville | 7788c61 | 2013-08-29 14:57:08 -0700 | [diff] [blame] | 846 | |
Julia Reynolds | fc6b2a0 | 2014-06-24 10:56:55 -0400 | [diff] [blame] | 847 | mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 848 | |
| 849 | mKeepaliveTracker = new KeepaliveTracker(mHandler); |
Lorenzo Colitti | 0b59906 | 2016-08-22 22:36:19 +0900 | [diff] [blame] | 850 | mNotifier = new NetworkNotificationManager(mContext, mTelephonyManager, |
| 851 | mContext.getSystemService(NotificationManager.class)); |
Lorenzo Colitti | 84e6f123 | 2016-08-29 14:03:11 +0900 | [diff] [blame] | 852 | |
| 853 | final int dailyLimit = Settings.Global.getInt(mContext.getContentResolver(), |
| 854 | Settings.Global.NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT, |
| 855 | LingerMonitor.DEFAULT_NOTIFICATION_DAILY_LIMIT); |
| 856 | final long rateLimit = Settings.Global.getLong(mContext.getContentResolver(), |
| 857 | Settings.Global.NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS, |
| 858 | LingerMonitor.DEFAULT_NOTIFICATION_RATE_LIMIT_MILLIS); |
| 859 | mLingerMonitor = new LingerMonitor(mContext, mNotifier, dailyLimit, rateLimit); |
Lorenzo Colitti | 2618c1b | 2016-09-16 23:43:38 +0900 | [diff] [blame] | 860 | |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 861 | mMultinetworkPolicyTracker = createMultinetworkPolicyTracker( |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 862 | mContext, mHandler, () -> rematchForAvoidBadWifiUpdate()); |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 863 | mMultinetworkPolicyTracker.start(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 864 | } |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 865 | |
Erik Kline | 5a7c8a0 | 2017-04-30 19:36:15 +0900 | [diff] [blame] | 866 | private Tethering makeTethering() { |
| 867 | // TODO: Move other elements into @Overridden getters. |
| 868 | final TetheringDependencies deps = new TetheringDependencies(); |
| 869 | return new Tethering(mContext, mNetd, mStatsService, mPolicyManager, |
| 870 | IoThread.get().getLooper(), new MockableSystemProperties(), |
| 871 | deps); |
| 872 | } |
| 873 | |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 874 | private NetworkRequest createInternetRequestForTransport( |
| 875 | int transportType, NetworkRequest.Type type) { |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 876 | NetworkCapabilities netCap = new NetworkCapabilities(); |
Lorenzo Colitti | 8deb341 | 2015-05-14 17:07:20 +0900 | [diff] [blame] | 877 | netCap.addCapability(NET_CAPABILITY_INTERNET); |
| 878 | netCap.addCapability(NET_CAPABILITY_NOT_RESTRICTED); |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 879 | if (transportType > -1) { |
| 880 | netCap.addTransportType(transportType); |
| 881 | } |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 882 | return new NetworkRequest(netCap, TYPE_NONE, nextNetworkRequestId(), type); |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 883 | } |
| 884 | |
Lorenzo Colitti | 762ea7a | 2016-06-05 21:00:23 +0900 | [diff] [blame] | 885 | // Used only for testing. |
| 886 | // TODO: Delete this and either: |
| 887 | // 1. Give Fake SettingsProvider the ability to send settings change notifications (requires |
| 888 | // changing ContentResolver to make registerContentObserver non-final). |
| 889 | // 2. Give FakeSettingsProvider an alternative notification mechanism and have the test use it |
| 890 | // by subclassing SettingsObserver. |
| 891 | @VisibleForTesting |
| 892 | void updateMobileDataAlwaysOn() { |
| 893 | mHandler.sendEmptyMessage(EVENT_CONFIGURE_MOBILE_DATA_ALWAYS_ON); |
| 894 | } |
| 895 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 896 | private void handleMobileDataAlwaysOn() { |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 897 | final boolean enable = toBool(Settings.Global.getInt( |
| 898 | mContext.getContentResolver(), Settings.Global.MOBILE_DATA_ALWAYS_ON, 1)); |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 899 | final boolean isEnabled = (mNetworkRequests.get(mDefaultMobileDataRequest) != null); |
| 900 | if (enable == isEnabled) { |
| 901 | return; // Nothing to do. |
| 902 | } |
| 903 | |
| 904 | if (enable) { |
| 905 | handleRegisterNetworkRequest(new NetworkRequestInfo( |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 906 | null, mDefaultMobileDataRequest, new Binder())); |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 907 | } else { |
| 908 | handleReleaseNetworkRequest(mDefaultMobileDataRequest, Process.SYSTEM_UID); |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | private void registerSettingsCallbacks() { |
| 913 | // Watch for global HTTP proxy changes. |
| 914 | mSettingsObserver.observe( |
| 915 | Settings.Global.getUriFor(Settings.Global.HTTP_PROXY), |
| 916 | EVENT_APPLY_GLOBAL_HTTP_PROXY); |
| 917 | |
| 918 | // Watch for whether or not to keep mobile data always on. |
| 919 | mSettingsObserver.observe( |
| 920 | Settings.Global.getUriFor(Settings.Global.MOBILE_DATA_ALWAYS_ON), |
| 921 | EVENT_CONFIGURE_MOBILE_DATA_ALWAYS_ON); |
| 922 | } |
| 923 | |
Robert Greenwalt | 34524f0 | 2014-05-18 16:22:10 -0700 | [diff] [blame] | 924 | private synchronized int nextNetworkRequestId() { |
| 925 | return mNextNetworkRequestId++; |
| 926 | } |
| 927 | |
Paul Jensen | 67b0b07 | 2015-06-10 11:22:17 -0400 | [diff] [blame] | 928 | @VisibleForTesting |
| 929 | protected int reserveNetId() { |
Paul Jensen | 60061a6 | 2014-08-05 14:13:48 -0400 | [diff] [blame] | 930 | synchronized (mNetworkForNetId) { |
| 931 | for (int i = MIN_NET_ID; i <= MAX_NET_ID; i++) { |
| 932 | int netId = mNextNetId; |
| 933 | if (++mNextNetId > MAX_NET_ID) mNextNetId = MIN_NET_ID; |
| 934 | // Make sure NetID unused. http://b/16815182 |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 935 | if (!mNetIdInUse.get(netId)) { |
| 936 | mNetIdInUse.put(netId, true); |
| 937 | return netId; |
Paul Jensen | 60061a6 | 2014-08-05 14:13:48 -0400 | [diff] [blame] | 938 | } |
| 939 | } |
| 940 | } |
| 941 | throw new IllegalStateException("No free netIds"); |
Robert Greenwalt | 9ba9c58 | 2014-03-19 17:56:12 -0700 | [diff] [blame] | 942 | } |
| 943 | |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 944 | private NetworkState getFilteredNetworkState(int networkType, int uid, boolean ignoreBlocked) { |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 945 | if (mLegacyTypeTracker.isTypeSupported(networkType)) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 946 | final NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType); |
| 947 | final NetworkState state; |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 948 | if (nai != null) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 949 | state = nai.getNetworkState(); |
| 950 | state.networkInfo.setType(networkType); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 951 | } else { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 952 | final NetworkInfo info = new NetworkInfo(networkType, 0, |
| 953 | getNetworkTypeName(networkType), ""); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 954 | info.setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, null, null); |
| 955 | info.setIsAvailable(true); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 956 | state = new NetworkState(info, new LinkProperties(), new NetworkCapabilities(), |
| 957 | null, null, null); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 958 | } |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 959 | filterNetworkStateForUid(state, uid, ignoreBlocked); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 960 | return state; |
| 961 | } else { |
| 962 | return NetworkState.EMPTY; |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 963 | } |
Paul Jensen | 7ccd3df | 2014-08-29 09:54:01 -0400 | [diff] [blame] | 964 | } |
| 965 | |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 966 | private NetworkAgentInfo getNetworkAgentInfoForNetwork(Network network) { |
| 967 | if (network == null) { |
| 968 | return null; |
| 969 | } |
| 970 | synchronized (mNetworkForNetId) { |
| 971 | return mNetworkForNetId.get(network.netId); |
| 972 | } |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 973 | } |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 974 | |
Lorenzo Colitti | d6a7980 | 2015-02-05 13:57:17 +0900 | [diff] [blame] | 975 | private Network[] getVpnUnderlyingNetworks(int uid) { |
| 976 | if (!mLockdownEnabled) { |
| 977 | int user = UserHandle.getUserId(uid); |
| 978 | synchronized (mVpns) { |
| 979 | Vpn vpn = mVpns.get(user); |
| 980 | if (vpn != null && vpn.appliesToUid(uid)) { |
| 981 | return vpn.getUnderlyingNetworks(); |
| 982 | } |
| 983 | } |
| 984 | } |
| 985 | return null; |
| 986 | } |
| 987 | |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 988 | private NetworkState getUnfilteredActiveNetworkState(int uid) { |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 989 | NetworkAgentInfo nai = getDefaultNetwork(); |
Sreeram Ramachandran | c2c0bea | 2014-11-11 16:09:21 -0800 | [diff] [blame] | 990 | |
Lorenzo Colitti | d6a7980 | 2015-02-05 13:57:17 +0900 | [diff] [blame] | 991 | final Network[] networks = getVpnUnderlyingNetworks(uid); |
| 992 | if (networks != null) { |
| 993 | // getUnderlyingNetworks() returns: |
| 994 | // null => there was no VPN, or the VPN didn't specify anything, so we use the default. |
| 995 | // empty array => the VPN explicitly said "no default network". |
| 996 | // non-empty array => the VPN specified one or more default networks; we use the |
| 997 | // first one. |
| 998 | if (networks.length > 0) { |
| 999 | nai = getNetworkAgentInfoForNetwork(networks[0]); |
| 1000 | } else { |
| 1001 | nai = null; |
Sreeram Ramachandran | c2c0bea | 2014-11-11 16:09:21 -0800 | [diff] [blame] | 1002 | } |
| 1003 | } |
| 1004 | |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1005 | if (nai != null) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1006 | return nai.getNetworkState(); |
| 1007 | } else { |
| 1008 | return NetworkState.EMPTY; |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1009 | } |
Paul Jensen | 7ccd3df | 2014-08-29 09:54:01 -0400 | [diff] [blame] | 1010 | } |
| 1011 | |
| 1012 | /** |
| 1013 | * Check if UID should be blocked from using the network with the given LinkProperties. |
| 1014 | */ |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1015 | private boolean isNetworkWithLinkPropertiesBlocked(LinkProperties lp, int uid, |
| 1016 | boolean ignoreBlocked) { |
| 1017 | // Networks aren't blocked when ignoring blocked status |
| 1018 | if (ignoreBlocked) return false; |
| 1019 | // Networks are never blocked for system services |
Felipe Leme | ee27cab | 2016-06-20 16:36:29 -0700 | [diff] [blame] | 1020 | if (isSystem(uid)) return false; |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1021 | |
| 1022 | final boolean networkMetered; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1023 | final int uidRules; |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 1024 | |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 1025 | synchronized (mVpns) { |
| 1026 | final Vpn vpn = mVpns.get(UserHandle.getUserId(uid)); |
| 1027 | if (vpn != null && vpn.isBlockingUid(uid)) { |
| 1028 | return true; |
| 1029 | } |
| 1030 | } |
| 1031 | |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 1032 | final String iface = (lp == null ? "" : lp.getInterfaceName()); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1033 | synchronized (mRulesLock) { |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1034 | networkMetered = mMeteredIfaces.contains(iface); |
Felipe Leme | 46c4fc3 | 2016-05-04 09:21:43 -0700 | [diff] [blame] | 1035 | uidRules = mUidRules.get(uid, RULE_NONE); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1036 | } |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1037 | |
Felipe Leme | d31a97f | 2016-05-06 14:53:50 -0700 | [diff] [blame] | 1038 | boolean allowed = true; |
| 1039 | // Check Data Saver Mode first... |
| 1040 | if (networkMetered) { |
| 1041 | if ((uidRules & RULE_REJECT_METERED) != 0) { |
| 1042 | if (LOGD_RULES) Log.d(TAG, "uid " + uid + " is blacklisted"); |
| 1043 | // Explicitly blacklisted. |
| 1044 | allowed = false; |
| 1045 | } else { |
| 1046 | allowed = !mRestrictBackground |
| 1047 | || (uidRules & RULE_ALLOW_METERED) != 0 |
| 1048 | || (uidRules & RULE_TEMPORARY_ALLOW_METERED) != 0; |
| 1049 | if (LOGD_RULES) Log.d(TAG, "allowed status for uid " + uid + " when" |
| 1050 | + " mRestrictBackground=" + mRestrictBackground |
| 1051 | + ", whitelisted=" + ((uidRules & RULE_ALLOW_METERED) != 0) |
| 1052 | + ", tempWhitelist= + ((uidRules & RULE_TEMPORARY_ALLOW_METERED) != 0)" |
| 1053 | + ": " + allowed); |
| 1054 | } |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1055 | } |
Felipe Leme | 781ba14 | 2016-05-09 16:24:48 -0700 | [diff] [blame] | 1056 | // ...then power restrictions. |
| 1057 | if (allowed) { |
| 1058 | allowed = (uidRules & RULE_REJECT_ALL) == 0; |
Felipe Leme | d31a97f | 2016-05-06 14:53:50 -0700 | [diff] [blame] | 1059 | if (LOGD_RULES) Log.d(TAG, "allowed status for uid " + uid + " when" |
Felipe Leme | 781ba14 | 2016-05-09 16:24:48 -0700 | [diff] [blame] | 1060 | + " rule is " + uidRulesToString(uidRules) + ": " + allowed); |
Felipe Leme | d31a97f | 2016-05-06 14:53:50 -0700 | [diff] [blame] | 1061 | } |
| 1062 | return !allowed; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1063 | } |
| 1064 | |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 1065 | private void maybeLogBlockedNetworkInfo(NetworkInfo ni, int uid) { |
Hugo Benichi | c2ae287 | 2016-07-11 11:05:12 +0900 | [diff] [blame] | 1066 | if (ni == null || !LOGD_BLOCKED_NETWORKINFO) { |
| 1067 | return; |
| 1068 | } |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 1069 | final boolean blocked; |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 1070 | synchronized (mBlockedAppUids) { |
| 1071 | if (ni.getDetailedState() == DetailedState.BLOCKED && mBlockedAppUids.add(uid)) { |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 1072 | blocked = true; |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 1073 | } else if (ni.isConnected() && mBlockedAppUids.remove(uid)) { |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 1074 | blocked = false; |
| 1075 | } else { |
| 1076 | return; |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 1077 | } |
| 1078 | } |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 1079 | String action = blocked ? "BLOCKED" : "UNBLOCKED"; |
| 1080 | log(String.format("Returning %s NetworkInfo to uid=%d", action, uid)); |
| 1081 | mNetworkInfoBlockingLogs.log(action + " " + uid); |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 1082 | } |
| 1083 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1084 | /** |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1085 | * Apply any relevant filters to {@link NetworkState} for the given UID. For |
| 1086 | * example, this may mark the network as {@link DetailedState#BLOCKED} based |
| 1087 | * on {@link #isNetworkWithLinkPropertiesBlocked}, or |
| 1088 | * {@link NetworkInfo#isMetered()} based on network policies. |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1089 | */ |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1090 | private void filterNetworkStateForUid(NetworkState state, int uid, boolean ignoreBlocked) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1091 | if (state == null || state.networkInfo == null || state.linkProperties == null) return; |
| 1092 | |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1093 | if (isNetworkWithLinkPropertiesBlocked(state.linkProperties, uid, ignoreBlocked)) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1094 | state.networkInfo.setDetailedState(DetailedState.BLOCKED, null, null); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1095 | } |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1096 | if (mLockdownTracker != null) { |
| 1097 | mLockdownTracker.augmentNetworkInfo(state.networkInfo); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1098 | } |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1099 | |
| 1100 | // TODO: apply metered state closer to NetworkAgentInfo |
| 1101 | final long token = Binder.clearCallingIdentity(); |
| 1102 | try { |
| 1103 | state.networkInfo.setMetered(mPolicyManager.isNetworkMetered(state)); |
| 1104 | } catch (RemoteException e) { |
| 1105 | } finally { |
| 1106 | Binder.restoreCallingIdentity(token); |
| 1107 | } |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1108 | } |
| 1109 | |
| 1110 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1111 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 1112 | * It is assumed that at most one network is active at a time. If more |
| 1113 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1114 | * @return the info for the active network, or {@code null} if none is |
| 1115 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1116 | */ |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1117 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1118 | public NetworkInfo getActiveNetworkInfo() { |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1119 | enforceAccessPermission(); |
| 1120 | final int uid = Binder.getCallingUid(); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1121 | final NetworkState state = getUnfilteredActiveNetworkState(uid); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1122 | filterNetworkStateForUid(state, uid, false); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1123 | maybeLogBlockedNetworkInfo(state.networkInfo, uid); |
| 1124 | return state.networkInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1125 | } |
| 1126 | |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 1127 | @Override |
| 1128 | public Network getActiveNetwork() { |
| 1129 | enforceAccessPermission(); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1130 | return getActiveNetworkForUidInternal(Binder.getCallingUid(), false); |
Robin Lee | d2baf79 | 2016-03-24 12:07:00 +0000 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | @Override |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1134 | public Network getActiveNetworkForUid(int uid, boolean ignoreBlocked) { |
Robin Lee | d2baf79 | 2016-03-24 12:07:00 +0000 | [diff] [blame] | 1135 | enforceConnectivityInternalPermission(); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1136 | return getActiveNetworkForUidInternal(uid, ignoreBlocked); |
Robin Lee | d2baf79 | 2016-03-24 12:07:00 +0000 | [diff] [blame] | 1137 | } |
| 1138 | |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1139 | private Network getActiveNetworkForUidInternal(final int uid, boolean ignoreBlocked) { |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 1140 | final int user = UserHandle.getUserId(uid); |
| 1141 | int vpnNetId = NETID_UNSET; |
| 1142 | synchronized (mVpns) { |
| 1143 | final Vpn vpn = mVpns.get(user); |
| 1144 | if (vpn != null && vpn.appliesToUid(uid)) vpnNetId = vpn.getNetId(); |
| 1145 | } |
| 1146 | NetworkAgentInfo nai; |
| 1147 | if (vpnNetId != NETID_UNSET) { |
| 1148 | synchronized (mNetworkForNetId) { |
| 1149 | nai = mNetworkForNetId.get(vpnNetId); |
| 1150 | } |
| 1151 | if (nai != null) return nai.network; |
| 1152 | } |
| 1153 | nai = getDefaultNetwork(); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1154 | if (nai != null |
| 1155 | && isNetworkWithLinkPropertiesBlocked(nai.linkProperties, uid, ignoreBlocked)) { |
| 1156 | nai = null; |
| 1157 | } |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 1158 | return nai != null ? nai.network : null; |
| 1159 | } |
| 1160 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 1161 | // Public because it's used by mLockdownTracker. |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1162 | public NetworkInfo getActiveNetworkInfoUnfiltered() { |
| 1163 | enforceAccessPermission(); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1164 | final int uid = Binder.getCallingUid(); |
| 1165 | NetworkState state = getUnfilteredActiveNetworkState(uid); |
| 1166 | return state.networkInfo; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1167 | } |
| 1168 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1169 | @Override |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1170 | public NetworkInfo getActiveNetworkInfoForUid(int uid, boolean ignoreBlocked) { |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1171 | enforceConnectivityInternalPermission(); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1172 | final NetworkState state = getUnfilteredActiveNetworkState(uid); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1173 | filterNetworkStateForUid(state, uid, ignoreBlocked); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1174 | return state.networkInfo; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1175 | } |
| 1176 | |
| 1177 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1178 | public NetworkInfo getNetworkInfo(int networkType) { |
| 1179 | enforceAccessPermission(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1180 | final int uid = Binder.getCallingUid(); |
Lorenzo Colitti | d6a7980 | 2015-02-05 13:57:17 +0900 | [diff] [blame] | 1181 | if (getVpnUnderlyingNetworks(uid) != null) { |
| 1182 | // A VPN is active, so we may need to return one of its underlying networks. This |
| 1183 | // information is not available in LegacyTypeTracker, so we have to get it from |
| 1184 | // getUnfilteredActiveNetworkState. |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1185 | final NetworkState state = getUnfilteredActiveNetworkState(uid); |
Lorenzo Colitti | d6a7980 | 2015-02-05 13:57:17 +0900 | [diff] [blame] | 1186 | if (state.networkInfo != null && state.networkInfo.getType() == networkType) { |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1187 | filterNetworkStateForUid(state, uid, false); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1188 | return state.networkInfo; |
Lorenzo Colitti | d6a7980 | 2015-02-05 13:57:17 +0900 | [diff] [blame] | 1189 | } |
| 1190 | } |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1191 | final NetworkState state = getFilteredNetworkState(networkType, uid, false); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1192 | return state.networkInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1193 | } |
| 1194 | |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1195 | @Override |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1196 | public NetworkInfo getNetworkInfoForUid(Network network, int uid, boolean ignoreBlocked) { |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1197 | enforceAccessPermission(); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1198 | final NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1199 | if (nai != null) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1200 | final NetworkState state = nai.getNetworkState(); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1201 | filterNetworkStateForUid(state, uid, ignoreBlocked); |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1202 | return state.networkInfo; |
| 1203 | } else { |
| 1204 | return null; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1205 | } |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1206 | } |
| 1207 | |
| 1208 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1209 | public NetworkInfo[] getAllNetworkInfo() { |
| 1210 | enforceAccessPermission(); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1211 | final ArrayList<NetworkInfo> result = Lists.newArrayList(); |
Paul Jensen | f9ee0e5 | 2014-09-19 11:14:12 -0400 | [diff] [blame] | 1212 | for (int networkType = 0; networkType <= ConnectivityManager.MAX_NETWORK_TYPE; |
| 1213 | networkType++) { |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1214 | NetworkInfo info = getNetworkInfo(networkType); |
| 1215 | if (info != null) { |
| 1216 | result.add(info); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1217 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1218 | } |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1219 | return result.toArray(new NetworkInfo[result.size()]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1220 | } |
| 1221 | |
Robert Greenwalt | 9b2886e | 2011-08-31 11:46:42 -0700 | [diff] [blame] | 1222 | @Override |
Lorenzo Colitti | b57edc5 | 2014-08-22 17:10:50 -0700 | [diff] [blame] | 1223 | public Network getNetworkForType(int networkType) { |
| 1224 | enforceAccessPermission(); |
| 1225 | final int uid = Binder.getCallingUid(); |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1226 | NetworkState state = getFilteredNetworkState(networkType, uid, false); |
| 1227 | if (!isNetworkWithLinkPropertiesBlocked(state.linkProperties, uid, false)) { |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1228 | return state.network; |
Lorenzo Colitti | b57edc5 | 2014-08-22 17:10:50 -0700 | [diff] [blame] | 1229 | } |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1230 | return null; |
Lorenzo Colitti | b57edc5 | 2014-08-22 17:10:50 -0700 | [diff] [blame] | 1231 | } |
| 1232 | |
| 1233 | @Override |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1234 | public Network[] getAllNetworks() { |
| 1235 | enforceAccessPermission(); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1236 | synchronized (mNetworkForNetId) { |
Paul Jensen | e75b9e3 | 2015-04-06 11:54:53 -0400 | [diff] [blame] | 1237 | final Network[] result = new Network[mNetworkForNetId.size()]; |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1238 | for (int i = 0; i < mNetworkForNetId.size(); i++) { |
Paul Jensen | e75b9e3 | 2015-04-06 11:54:53 -0400 | [diff] [blame] | 1239 | result[i] = mNetworkForNetId.valueAt(i).network; |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1240 | } |
Paul Jensen | e75b9e3 | 2015-04-06 11:54:53 -0400 | [diff] [blame] | 1241 | return result; |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1242 | } |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1243 | } |
| 1244 | |
Lorenzo Colitti | 403aa26 | 2014-11-28 11:21:30 +0900 | [diff] [blame] | 1245 | @Override |
| 1246 | public NetworkCapabilities[] getDefaultNetworkCapabilitiesForUser(int userId) { |
| 1247 | // The basic principle is: if an app's traffic could possibly go over a |
| 1248 | // network, without the app doing anything multinetwork-specific, |
| 1249 | // (hence, by "default"), then include that network's capabilities in |
| 1250 | // the array. |
| 1251 | // |
| 1252 | // In the normal case, app traffic only goes over the system's default |
| 1253 | // network connection, so that's the only network returned. |
| 1254 | // |
| 1255 | // With a VPN in force, some app traffic may go into the VPN, and thus |
| 1256 | // over whatever underlying networks the VPN specifies, while other app |
| 1257 | // traffic may go over the system default network (e.g.: a split-tunnel |
| 1258 | // VPN, or an app disallowed by the VPN), so the set of networks |
| 1259 | // returned includes the VPN's underlying networks and the system |
| 1260 | // default. |
| 1261 | enforceAccessPermission(); |
| 1262 | |
| 1263 | HashMap<Network, NetworkCapabilities> result = new HashMap<Network, NetworkCapabilities>(); |
| 1264 | |
| 1265 | NetworkAgentInfo nai = getDefaultNetwork(); |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 1266 | NetworkCapabilities nc = getNetworkCapabilitiesInternal(nai); |
Lorenzo Colitti | 403aa26 | 2014-11-28 11:21:30 +0900 | [diff] [blame] | 1267 | if (nc != null) { |
| 1268 | result.put(nai.network, nc); |
| 1269 | } |
| 1270 | |
| 1271 | if (!mLockdownEnabled) { |
| 1272 | synchronized (mVpns) { |
| 1273 | Vpn vpn = mVpns.get(userId); |
| 1274 | if (vpn != null) { |
| 1275 | Network[] networks = vpn.getUnderlyingNetworks(); |
| 1276 | if (networks != null) { |
| 1277 | for (Network network : networks) { |
| 1278 | nai = getNetworkAgentInfoForNetwork(network); |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 1279 | nc = getNetworkCapabilitiesInternal(nai); |
Lorenzo Colitti | 403aa26 | 2014-11-28 11:21:30 +0900 | [diff] [blame] | 1280 | if (nc != null) { |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 1281 | result.put(network, nc); |
Lorenzo Colitti | 403aa26 | 2014-11-28 11:21:30 +0900 | [diff] [blame] | 1282 | } |
| 1283 | } |
| 1284 | } |
| 1285 | } |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | NetworkCapabilities[] out = new NetworkCapabilities[result.size()]; |
| 1290 | out = result.values().toArray(out); |
| 1291 | return out; |
| 1292 | } |
| 1293 | |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1294 | @Override |
Robert Greenwalt | 9b2886e | 2011-08-31 11:46:42 -0700 | [diff] [blame] | 1295 | public boolean isNetworkSupported(int networkType) { |
| 1296 | enforceAccessPermission(); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1297 | return mLegacyTypeTracker.isTypeSupported(networkType); |
Robert Greenwalt | 9b2886e | 2011-08-31 11:46:42 -0700 | [diff] [blame] | 1298 | } |
| 1299 | |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 1300 | /** |
| 1301 | * Return LinkProperties for the active (i.e., connected) default |
| 1302 | * network interface. It is assumed that at most one default network |
| 1303 | * is active at a time. If more than one is active, it is indeterminate |
| 1304 | * which will be returned. |
| 1305 | * @return the ip properties for the active network, or {@code null} if |
| 1306 | * none is active |
| 1307 | */ |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1308 | @Override |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 1309 | public LinkProperties getActiveLinkProperties() { |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1310 | enforceAccessPermission(); |
| 1311 | final int uid = Binder.getCallingUid(); |
| 1312 | NetworkState state = getUnfilteredActiveNetworkState(uid); |
| 1313 | return state.linkProperties; |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 1314 | } |
| 1315 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1316 | @Override |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 1317 | public LinkProperties getLinkPropertiesForType(int networkType) { |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 1318 | enforceAccessPermission(); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1319 | NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType); |
| 1320 | if (nai != null) { |
| 1321 | synchronized (nai) { |
| 1322 | return new LinkProperties(nai.linkProperties); |
| 1323 | } |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 1324 | } |
| 1325 | return null; |
| 1326 | } |
| 1327 | |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 1328 | // TODO - this should be ALL networks |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1329 | @Override |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 1330 | public LinkProperties getLinkProperties(Network network) { |
| 1331 | enforceAccessPermission(); |
Hugo Benichi | 2955172 | 2017-04-06 16:01:44 +0900 | [diff] [blame] | 1332 | return getLinkProperties(getNetworkAgentInfoForNetwork(network)); |
| 1333 | } |
| 1334 | |
| 1335 | private LinkProperties getLinkProperties(NetworkAgentInfo nai) { |
| 1336 | if (nai == null) { |
| 1337 | return null; |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1338 | } |
Hugo Benichi | 2955172 | 2017-04-06 16:01:44 +0900 | [diff] [blame] | 1339 | synchronized (nai) { |
| 1340 | return new LinkProperties(nai.linkProperties); |
| 1341 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 1342 | } |
| 1343 | |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 1344 | private NetworkCapabilities getNetworkCapabilitiesInternal(NetworkAgentInfo nai) { |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1345 | if (nai != null) { |
| 1346 | synchronized (nai) { |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 1347 | if (nai.networkCapabilities != null) { |
| 1348 | return new NetworkCapabilities(nai.networkCapabilities); |
Sanket Padawe | 7094d22 | 2015-05-01 16:55:00 -0700 | [diff] [blame] | 1349 | } |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1350 | } |
| 1351 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 1352 | return null; |
| 1353 | } |
| 1354 | |
| 1355 | @Override |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 1356 | public NetworkCapabilities getNetworkCapabilities(Network network) { |
| 1357 | enforceAccessPermission(); |
| 1358 | return getNetworkCapabilitiesInternal(getNetworkAgentInfoForNetwork(network)); |
| 1359 | } |
| 1360 | |
| 1361 | @Override |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1362 | public NetworkState[] getAllNetworkState() { |
Jeff Sharkey | 3256601 | 2014-12-02 18:30:14 -0800 | [diff] [blame] | 1363 | // Require internal since we're handing out IMSI details |
| 1364 | enforceConnectivityInternalPermission(); |
| 1365 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1366 | final ArrayList<NetworkState> result = Lists.newArrayList(); |
Jeff Sharkey | 3256601 | 2014-12-02 18:30:14 -0800 | [diff] [blame] | 1367 | for (Network network : getAllNetworks()) { |
| 1368 | final NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 1369 | if (nai != null) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1370 | result.add(nai.getNetworkState()); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1371 | } |
| 1372 | } |
| 1373 | return result.toArray(new NetworkState[result.size()]); |
| 1374 | } |
| 1375 | |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 1376 | @Override |
| 1377 | public NetworkQuotaInfo getActiveNetworkQuotaInfo() { |
| 1378 | enforceAccessPermission(); |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1379 | final int uid = Binder.getCallingUid(); |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 1380 | final long token = Binder.clearCallingIdentity(); |
| 1381 | try { |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 1382 | final NetworkState state = getUnfilteredActiveNetworkState(uid); |
| 1383 | if (state.networkInfo != null) { |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 1384 | try { |
| 1385 | return mPolicyManager.getNetworkQuotaInfo(state); |
| 1386 | } catch (RemoteException e) { |
| 1387 | } |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 1388 | } |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 1389 | return null; |
| 1390 | } finally { |
| 1391 | Binder.restoreCallingIdentity(token); |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 1392 | } |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 1393 | } |
| 1394 | |
Jeff Sharkey | 9f7cbf0 | 2012-04-12 18:34:54 -0700 | [diff] [blame] | 1395 | @Override |
| 1396 | public boolean isActiveNetworkMetered() { |
| 1397 | enforceAccessPermission(); |
Jeff Sharkey | 9f7cbf0 | 2012-04-12 18:34:54 -0700 | [diff] [blame] | 1398 | |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1399 | final NetworkInfo info = getActiveNetworkInfo(); |
| 1400 | return (info != null) ? info.isMetered() : false; |
Jeff Sharkey | 5f4dafb | 2012-04-30 15:47:05 -0700 | [diff] [blame] | 1401 | } |
| 1402 | |
Jeff Sharkey | 216c181 | 2012-08-05 14:29:23 -0700 | [diff] [blame] | 1403 | private INetworkManagementEventObserver mDataActivityObserver = new BaseNetworkObserver() { |
| 1404 | @Override |
Ashish Sharma | 0535a9f | 2014-03-12 18:42:23 -0700 | [diff] [blame] | 1405 | public void interfaceClassDataActivityChanged(String label, boolean active, long tsNanos) { |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1406 | int deviceType = Integer.parseInt(label); |
Ashish Sharma | 0535a9f | 2014-03-12 18:42:23 -0700 | [diff] [blame] | 1407 | sendDataActivityBroadcast(deviceType, active, tsNanos); |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1408 | } |
Jeff Sharkey | 216c181 | 2012-08-05 14:29:23 -0700 | [diff] [blame] | 1409 | }; |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1410 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1411 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1412 | * Ensure that a network route exists to deliver traffic to the specified |
| 1413 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1414 | * @param networkType the type of the network over which traffic to the |
| 1415 | * specified host is to be routed |
| 1416 | * @param hostAddress the IP address of the host to which the route is |
| 1417 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1418 | * @return {@code true} on success, {@code false} on failure |
| 1419 | */ |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 1420 | @Override |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1421 | public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1422 | enforceChangePermission(); |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 1423 | if (mProtectedNetworks.contains(networkType)) { |
| 1424 | enforceConnectivityInternalPermission(); |
| 1425 | } |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1426 | |
Chad Brubaker | c023453 | 2014-02-14 13:24:29 -0800 | [diff] [blame] | 1427 | InetAddress addr; |
| 1428 | try { |
| 1429 | addr = InetAddress.getByAddress(hostAddress); |
| 1430 | } catch (UnknownHostException e) { |
| 1431 | if (DBG) log("requestRouteToHostAddress got " + e.toString()); |
| 1432 | return false; |
| 1433 | } |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 1434 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1435 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1436 | if (DBG) log("requestRouteToHostAddress on invalid network: " + networkType); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1437 | return false; |
| 1438 | } |
Robert Greenwalt | 2d37070 | 2014-06-03 17:22:11 -0700 | [diff] [blame] | 1439 | |
| 1440 | NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType); |
| 1441 | if (nai == null) { |
| 1442 | if (mLegacyTypeTracker.isTypeSupported(networkType) == false) { |
| 1443 | if (DBG) log("requestRouteToHostAddress on unsupported network: " + networkType); |
| 1444 | } else { |
| 1445 | if (DBG) log("requestRouteToHostAddress on down network: " + networkType); |
| 1446 | } |
| 1447 | return false; |
Ken Mixter | 151d303 | 2013-11-07 22:08:24 -0800 | [diff] [blame] | 1448 | } |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1449 | |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1450 | DetailedState netState; |
| 1451 | synchronized (nai) { |
| 1452 | netState = nai.networkInfo.getDetailedState(); |
| 1453 | } |
Robert Greenwalt | 2d37070 | 2014-06-03 17:22:11 -0700 | [diff] [blame] | 1454 | |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1455 | if (netState != DetailedState.CONNECTED && netState != DetailedState.CAPTIVE_PORTAL_CHECK) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1456 | if (VDBG) { |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 1457 | log("requestRouteToHostAddress on down network " |
| 1458 | + "(" + networkType + ") - dropped" |
Robert Greenwalt | 2d37070 | 2014-06-03 17:22:11 -0700 | [diff] [blame] | 1459 | + " netState=" + netState); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 1460 | } |
| 1461 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1462 | } |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1463 | |
Sreeram Ramachandran | 515350a | 2014-05-22 16:30:48 -0700 | [diff] [blame] | 1464 | final int uid = Binder.getCallingUid(); |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1465 | final long token = Binder.clearCallingIdentity(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1466 | try { |
Paul Jensen | bcc76d3 | 2014-07-11 08:17:29 -0400 | [diff] [blame] | 1467 | LinkProperties lp; |
| 1468 | int netId; |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 1469 | synchronized (nai) { |
| 1470 | lp = nai.linkProperties; |
| 1471 | netId = nai.network.netId; |
| 1472 | } |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1473 | boolean ok = addLegacyRouteToHost(lp, addr, netId, uid); |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 1474 | if (DBG) log("requestRouteToHostAddress ok=" + ok); |
| 1475 | return ok; |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1476 | } finally { |
| 1477 | Binder.restoreCallingIdentity(token); |
| 1478 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1479 | } |
| 1480 | |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1481 | private boolean addLegacyRouteToHost(LinkProperties lp, InetAddress addr, int netId, int uid) { |
Lorenzo Colitti | f83d90c | 2013-03-15 13:58:38 +0900 | [diff] [blame] | 1482 | RouteInfo bestRoute = RouteInfo.selectBestRoute(lp.getAllRoutes(), addr); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1483 | if (bestRoute == null) { |
Lorenzo Colitti | f83d90c | 2013-03-15 13:58:38 +0900 | [diff] [blame] | 1484 | bestRoute = RouteInfo.makeHostRoute(addr, lp.getInterfaceName()); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1485 | } else { |
Lorenzo Colitti | f83d90c | 2013-03-15 13:58:38 +0900 | [diff] [blame] | 1486 | String iface = bestRoute.getInterface(); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1487 | if (bestRoute.getGateway().equals(addr)) { |
| 1488 | // if there is no better route, add the implied hostroute for our gateway |
Lorenzo Colitti | e167135 | 2013-03-08 12:30:44 -0800 | [diff] [blame] | 1489 | bestRoute = RouteInfo.makeHostRoute(addr, iface); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1490 | } else { |
| 1491 | // if we will connect to this through another route, add a direct route |
| 1492 | // to it's gateway |
Lorenzo Colitti | e167135 | 2013-03-08 12:30:44 -0800 | [diff] [blame] | 1493 | bestRoute = RouteInfo.makeHostRoute(addr, bestRoute.getGateway(), iface); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1494 | } |
| 1495 | } |
Lorenzo Colitti | aa281e2 | 2015-09-04 13:12:42 +0900 | [diff] [blame] | 1496 | if (DBG) log("Adding legacy route " + bestRoute + |
| 1497 | " for UID/PID " + uid + "/" + Binder.getCallingPid()); |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 1498 | try { |
| 1499 | mNetd.addLegacyRouteForNetId(netId, bestRoute, uid); |
| 1500 | } catch (Exception e) { |
| 1501 | // never crash - catch them all |
| 1502 | if (DBG) loge("Exception trying to add a route: " + e); |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1503 | return false; |
| 1504 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1505 | return true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1506 | } |
| 1507 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1508 | private INetworkPolicyListener mPolicyListener = new INetworkPolicyListener.Stub() { |
| 1509 | @Override |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1510 | public void onUidRulesChanged(int uid, int uidRules) { |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1511 | // caller is NPMS, since we only register with them |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1512 | if (LOGD_RULES) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1513 | log("onUidRulesChanged(uid=" + uid + ", uidRules=" + uidRules + ")"); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1514 | } |
| 1515 | |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1516 | synchronized (mRulesLock) { |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1517 | // skip update when we've already applied rules |
Felipe Leme | d31a97f | 2016-05-06 14:53:50 -0700 | [diff] [blame] | 1518 | final int oldRules = mUidRules.get(uid, RULE_NONE); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1519 | if (oldRules == uidRules) return; |
| 1520 | |
Felipe Leme | 781ba14 | 2016-05-09 16:24:48 -0700 | [diff] [blame] | 1521 | if (uidRules == RULE_NONE) { |
| 1522 | mUidRules.delete(uid); |
| 1523 | } else { |
| 1524 | mUidRules.put(uid, uidRules); |
| 1525 | } |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1526 | } |
| 1527 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1528 | // TODO: notify UID when it has requested targeted updates |
| 1529 | } |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1530 | |
| 1531 | @Override |
| 1532 | public void onMeteredIfacesChanged(String[] meteredIfaces) { |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1533 | // caller is NPMS, since we only register with them |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1534 | if (LOGD_RULES) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1535 | log("onMeteredIfacesChanged(ifaces=" + Arrays.toString(meteredIfaces) + ")"); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1536 | } |
| 1537 | |
| 1538 | synchronized (mRulesLock) { |
| 1539 | mMeteredIfaces.clear(); |
| 1540 | for (String iface : meteredIfaces) { |
| 1541 | mMeteredIfaces.add(iface); |
| 1542 | } |
| 1543 | } |
| 1544 | } |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1545 | |
| 1546 | @Override |
| 1547 | public void onRestrictBackgroundChanged(boolean restrictBackground) { |
| 1548 | // caller is NPMS, since we only register with them |
| 1549 | if (LOGD_RULES) { |
| 1550 | log("onRestrictBackgroundChanged(restrictBackground=" + restrictBackground + ")"); |
| 1551 | } |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 1552 | |
| 1553 | synchronized (mRulesLock) { |
| 1554 | mRestrictBackground = restrictBackground; |
| 1555 | } |
| 1556 | |
Felipe Leme | 70c8b9b | 2016-04-25 14:41:31 -0700 | [diff] [blame] | 1557 | if (restrictBackground) { |
| 1558 | log("onRestrictBackgroundChanged(true): disabling tethering"); |
| 1559 | mTethering.untetherAll(); |
| 1560 | } |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1561 | } |
Felipe Leme | 019fcd2 | 2016-04-19 10:24:39 -0700 | [diff] [blame] | 1562 | |
| 1563 | @Override |
| 1564 | public void onRestrictBackgroundWhitelistChanged(int uid, boolean whitelisted) { |
| 1565 | if (LOGD_RULES) { |
| 1566 | // caller is NPMS, since we only register with them |
| 1567 | log("onRestrictBackgroundWhitelistChanged(uid=" + uid + ", whitelisted=" |
| 1568 | + whitelisted + ")"); |
| 1569 | } |
| 1570 | } |
Felipe Leme | 99d5d3d | 2016-05-16 13:30:57 -0700 | [diff] [blame] | 1571 | @Override |
| 1572 | public void onRestrictBackgroundBlacklistChanged(int uid, boolean blacklisted) { |
| 1573 | if (LOGD_RULES) { |
| 1574 | // caller is NPMS, since we only register with them |
| 1575 | log("onRestrictBackgroundBlacklistChanged(uid=" + uid + ", blacklisted=" |
| 1576 | + blacklisted + ")"); |
| 1577 | } |
| 1578 | } |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1579 | }; |
| 1580 | |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 1581 | /** |
| 1582 | * Require that the caller is either in the same user or has appropriate permission to interact |
| 1583 | * across users. |
| 1584 | * |
| 1585 | * @param userId Target user for whatever operation the current IPC is supposed to perform. |
| 1586 | */ |
| 1587 | private void enforceCrossUserPermission(int userId) { |
| 1588 | if (userId == UserHandle.getCallingUserId()) { |
| 1589 | // Not a cross-user call. |
| 1590 | return; |
| 1591 | } |
| 1592 | mContext.enforceCallingOrSelfPermission( |
| 1593 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| 1594 | "ConnectivityService"); |
| 1595 | } |
| 1596 | |
Paul Jensen | 7ccd3df | 2014-08-29 09:54:01 -0400 | [diff] [blame] | 1597 | private void enforceInternetPermission() { |
| 1598 | mContext.enforceCallingOrSelfPermission( |
| 1599 | android.Manifest.permission.INTERNET, |
| 1600 | "ConnectivityService"); |
| 1601 | } |
| 1602 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1603 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1604 | mContext.enforceCallingOrSelfPermission( |
| 1605 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 1606 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1607 | } |
| 1608 | |
| 1609 | private void enforceChangePermission() { |
Lorenzo Colitti | d542705 | 2015-10-15 16:29:00 +0900 | [diff] [blame] | 1610 | ConnectivityManager.enforceChangePermission(mContext); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1611 | } |
| 1612 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1613 | private void enforceTetherAccessPermission() { |
| 1614 | mContext.enforceCallingOrSelfPermission( |
| 1615 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 1616 | "ConnectivityService"); |
| 1617 | } |
| 1618 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1619 | private void enforceConnectivityInternalPermission() { |
| 1620 | mContext.enforceCallingOrSelfPermission( |
| 1621 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 1622 | "ConnectivityService"); |
| 1623 | } |
| 1624 | |
Hugo Benichi | 514da60 | 2016-07-19 15:59:27 +0900 | [diff] [blame] | 1625 | private void enforceConnectivityRestrictedNetworksPermission() { |
| 1626 | try { |
| 1627 | mContext.enforceCallingOrSelfPermission( |
| 1628 | android.Manifest.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS, |
| 1629 | "ConnectivityService"); |
| 1630 | return; |
| 1631 | } catch (SecurityException e) { /* fallback to ConnectivityInternalPermission */ } |
| 1632 | enforceConnectivityInternalPermission(); |
| 1633 | } |
| 1634 | |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 1635 | private void enforceKeepalivePermission() { |
Lorenzo Colitti | 7914ce5 | 2015-09-08 13:21:48 +0900 | [diff] [blame] | 1636 | mContext.enforceCallingOrSelfPermission(KeepaliveTracker.PERMISSION, "ConnectivityService"); |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 1637 | } |
| 1638 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 1639 | // Public because it's used by mLockdownTracker. |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1640 | public void sendConnectedBroadcast(NetworkInfo info) { |
Robert Greenwalt | 5a6bdc4 | 2013-02-15 10:56:35 -0800 | [diff] [blame] | 1641 | enforceConnectivityInternalPermission(); |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1642 | sendGeneralBroadcast(info, CONNECTIVITY_ACTION); |
Robert Greenwalt | 1e9aac2 | 2010-09-15 17:36:33 -0700 | [diff] [blame] | 1643 | } |
| 1644 | |
| 1645 | private void sendInetConditionBroadcast(NetworkInfo info) { |
| 1646 | sendGeneralBroadcast(info, ConnectivityManager.INET_CONDITION_ACTION); |
| 1647 | } |
| 1648 | |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1649 | private Intent makeGeneralIntent(NetworkInfo info, String bcastType) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1650 | if (mLockdownTracker != null) { |
Jeff Sharkey | f07c7b9 | 2016-04-22 09:50:16 -0600 | [diff] [blame] | 1651 | info = new NetworkInfo(info); |
| 1652 | mLockdownTracker.augmentNetworkInfo(info); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1653 | } |
| 1654 | |
Robert Greenwalt | 1e9aac2 | 2010-09-15 17:36:33 -0700 | [diff] [blame] | 1655 | Intent intent = new Intent(bcastType); |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 1656 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); |
Jeff Sharkey | 75fbb4b | 2012-08-06 11:41:50 -0700 | [diff] [blame] | 1657 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1658 | if (info.isFailover()) { |
| 1659 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1660 | info.setFailover(false); |
| 1661 | } |
| 1662 | if (info.getReason() != null) { |
| 1663 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1664 | } |
| 1665 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1666 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1667 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1668 | } |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 1669 | intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1670 | return intent; |
| 1671 | } |
| 1672 | |
| 1673 | private void sendGeneralBroadcast(NetworkInfo info, String bcastType) { |
| 1674 | sendStickyBroadcast(makeGeneralIntent(info, bcastType)); |
| 1675 | } |
| 1676 | |
Ashish Sharma | 0535a9f | 2014-03-12 18:42:23 -0700 | [diff] [blame] | 1677 | private void sendDataActivityBroadcast(int deviceType, boolean active, long tsNanos) { |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1678 | Intent intent = new Intent(ConnectivityManager.ACTION_DATA_ACTIVITY_CHANGE); |
| 1679 | intent.putExtra(ConnectivityManager.EXTRA_DEVICE_TYPE, deviceType); |
| 1680 | intent.putExtra(ConnectivityManager.EXTRA_IS_ACTIVE, active); |
Ashish Sharma | 0535a9f | 2014-03-12 18:42:23 -0700 | [diff] [blame] | 1681 | intent.putExtra(ConnectivityManager.EXTRA_REALTIME_NS, tsNanos); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1682 | final long ident = Binder.clearCallingIdentity(); |
| 1683 | try { |
| 1684 | mContext.sendOrderedBroadcastAsUser(intent, UserHandle.ALL, |
| 1685 | RECEIVE_DATA_ACTIVITY_CHANGE, null, null, 0, null, null); |
| 1686 | } finally { |
| 1687 | Binder.restoreCallingIdentity(ident); |
| 1688 | } |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1689 | } |
| 1690 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1691 | private void sendStickyBroadcast(Intent intent) { |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 1692 | synchronized (this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1693 | if (!mSystemReady) { |
| 1694 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1695 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1696 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 1697 | if (VDBG) { |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1698 | log("sendStickyBroadcast: action=" + intent.getAction()); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1699 | } |
| 1700 | |
Dianne Hackborn | e0e413e | 2015-12-09 17:22:26 -0800 | [diff] [blame] | 1701 | Bundle options = null; |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1702 | final long ident = Binder.clearCallingIdentity(); |
Dianne Hackborn | 1e01d16 | 2014-12-04 17:46:42 -0800 | [diff] [blame] | 1703 | if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) { |
Robert Greenwalt | e94a6ff | 2015-09-01 08:23:04 -0700 | [diff] [blame] | 1704 | final NetworkInfo ni = intent.getParcelableExtra( |
| 1705 | ConnectivityManager.EXTRA_NETWORK_INFO); |
| 1706 | if (ni.getType() == ConnectivityManager.TYPE_MOBILE_SUPL) { |
| 1707 | intent.setAction(ConnectivityManager.CONNECTIVITY_ACTION_SUPL); |
| 1708 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
Dianne Hackborn | e0e413e | 2015-12-09 17:22:26 -0800 | [diff] [blame] | 1709 | } else { |
| 1710 | BroadcastOptions opts = BroadcastOptions.makeBasic(); |
| 1711 | opts.setMaxManifestReceiverApiLevel(Build.VERSION_CODES.M); |
| 1712 | options = opts.toBundle(); |
Robert Greenwalt | e94a6ff | 2015-09-01 08:23:04 -0700 | [diff] [blame] | 1713 | } |
Dianne Hackborn | 1e01d16 | 2014-12-04 17:46:42 -0800 | [diff] [blame] | 1714 | final IBatteryStats bs = BatteryStatsService.getService(); |
| 1715 | try { |
Dianne Hackborn | 1e01d16 | 2014-12-04 17:46:42 -0800 | [diff] [blame] | 1716 | bs.noteConnectivityChanged(intent.getIntExtra( |
| 1717 | ConnectivityManager.EXTRA_NETWORK_TYPE, ConnectivityManager.TYPE_NONE), |
| 1718 | ni != null ? ni.getState().toString() : "?"); |
| 1719 | } catch (RemoteException e) { |
| 1720 | } |
| 1721 | } |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1722 | try { |
Dianne Hackborn | e0e413e | 2015-12-09 17:22:26 -0800 | [diff] [blame] | 1723 | mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL, options); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1724 | } finally { |
| 1725 | Binder.restoreCallingIdentity(ident); |
| 1726 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1727 | } |
| 1728 | } |
| 1729 | |
| 1730 | void systemReady() { |
Wink Saville | 948282b | 2013-08-29 08:55:16 -0700 | [diff] [blame] | 1731 | loadGlobalProxy(); |
| 1732 | |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 1733 | synchronized (this) { |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1734 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1735 | if (mInitialBroadcast != null) { |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 1736 | mContext.sendStickyBroadcastAsUser(mInitialBroadcast, UserHandle.ALL); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1737 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1738 | } |
| 1739 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 1740 | // load the global proxy at startup |
| 1741 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_APPLY_GLOBAL_HTTP_PROXY)); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1742 | |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 1743 | // Try bringing up tracker, but KeyStore won't be ready yet for secondary users so wait |
| 1744 | // for user to unlock device too. |
| 1745 | updateLockdownVpn(); |
Robert Greenwalt | fb68f8f | 2014-08-13 13:43:32 -0700 | [diff] [blame] | 1746 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 1747 | // Configure whether mobile data is always on. |
| 1748 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_CONFIGURE_MOBILE_DATA_ALWAYS_ON)); |
| 1749 | |
Robert Greenwalt | fb68f8f | 2014-08-13 13:43:32 -0700 | [diff] [blame] | 1750 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_SYSTEM_READY)); |
Sreeram Ramachandran | e4a05af | 2014-09-24 09:16:19 -0700 | [diff] [blame] | 1751 | |
| 1752 | mPermissionMonitor.startMonitoring(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1753 | } |
| 1754 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1755 | /** |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1756 | * Setup data activity tracking for the given network. |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1757 | * |
| 1758 | * Every {@code setupDataActivityTracking} should be paired with a |
Dianne Hackborn | 77b987f | 2014-02-26 16:20:52 -0800 | [diff] [blame] | 1759 | * {@link #removeDataActivityTracking} for cleanup. |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1760 | */ |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1761 | private void setupDataActivityTracking(NetworkAgentInfo networkAgent) { |
| 1762 | final String iface = networkAgent.linkProperties.getInterfaceName(); |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1763 | |
| 1764 | final int timeout; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1765 | int type = ConnectivityManager.TYPE_NONE; |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1766 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1767 | if (networkAgent.networkCapabilities.hasTransport( |
| 1768 | NetworkCapabilities.TRANSPORT_CELLULAR)) { |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 1769 | timeout = Settings.Global.getInt(mContext.getContentResolver(), |
| 1770 | Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE, |
Adam Lesinski | ed6160d | 2015-08-18 11:47:07 -0700 | [diff] [blame] | 1771 | 10); |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1772 | type = ConnectivityManager.TYPE_MOBILE; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1773 | } else if (networkAgent.networkCapabilities.hasTransport( |
| 1774 | NetworkCapabilities.TRANSPORT_WIFI)) { |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 1775 | timeout = Settings.Global.getInt(mContext.getContentResolver(), |
| 1776 | Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI, |
Adam Lesinski | 06f46cb | 2015-06-23 13:42:53 -0700 | [diff] [blame] | 1777 | 15); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1778 | type = ConnectivityManager.TYPE_WIFI; |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1779 | } else { |
| 1780 | // do not track any other networks |
| 1781 | timeout = 0; |
| 1782 | } |
| 1783 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1784 | if (timeout > 0 && iface != null && type != ConnectivityManager.TYPE_NONE) { |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1785 | try { |
Dianne Hackborn | 77b987f | 2014-02-26 16:20:52 -0800 | [diff] [blame] | 1786 | mNetd.addIdleTimer(iface, timeout, type); |
Robert Greenwalt | d9cb2f3 | 2014-03-19 14:26:28 -0700 | [diff] [blame] | 1787 | } catch (Exception e) { |
| 1788 | // You shall not crash! |
| 1789 | loge("Exception in setupDataActivityTracking " + e); |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1790 | } |
| 1791 | } |
| 1792 | } |
| 1793 | |
| 1794 | /** |
| 1795 | * Remove data activity tracking when network disconnects. |
| 1796 | */ |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1797 | private void removeDataActivityTracking(NetworkAgentInfo networkAgent) { |
| 1798 | final String iface = networkAgent.linkProperties.getInterfaceName(); |
| 1799 | final NetworkCapabilities caps = networkAgent.networkCapabilities; |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1800 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1801 | if (iface != null && (caps.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) || |
| 1802 | caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI))) { |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1803 | try { |
| 1804 | // the call fails silently if no idletimer setup for this interface |
| 1805 | mNetd.removeIdleTimer(iface); |
Robert Greenwalt | d9cb2f3 | 2014-03-19 14:26:28 -0700 | [diff] [blame] | 1806 | } catch (Exception e) { |
| 1807 | loge("Exception in removeDataActivityTracking " + e); |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1808 | } |
| 1809 | } |
| 1810 | } |
| 1811 | |
| 1812 | /** |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1813 | * Reads the network specific MTU size from reources. |
| 1814 | * and set it on it's iface. |
| 1815 | */ |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1816 | private void updateMtu(LinkProperties newLp, LinkProperties oldLp) { |
| 1817 | final String iface = newLp.getInterfaceName(); |
| 1818 | final int mtu = newLp.getMtu(); |
Pierre Imai | accd5fc | 2016-02-08 16:01:40 +0900 | [diff] [blame] | 1819 | if (oldLp == null && mtu == 0) { |
| 1820 | // Silently ignore unset MTU value. |
| 1821 | return; |
| 1822 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1823 | if (oldLp != null && newLp.isIdenticalMtu(oldLp)) { |
| 1824 | if (VDBG) log("identical MTU - not setting"); |
| 1825 | return; |
| 1826 | } |
Robert Greenwalt | 4307403 | 2014-08-15 17:53:05 -0700 | [diff] [blame] | 1827 | if (LinkProperties.isValidMtu(mtu, newLp.hasGlobalIPv6Address()) == false) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 1828 | if (mtu != 0) loge("Unexpected mtu value: " + mtu + ", " + iface); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1829 | return; |
| 1830 | } |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1831 | |
w19976 | 15afd81 | 2014-08-05 15:18:11 -0700 | [diff] [blame] | 1832 | // Cannot set MTU without interface name |
| 1833 | if (TextUtils.isEmpty(iface)) { |
| 1834 | loge("Setting MTU size with null iface."); |
| 1835 | return; |
| 1836 | } |
| 1837 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1838 | try { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 1839 | if (VDBG) log("Setting MTU size: " + iface + ", " + mtu); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 1840 | mNetd.setMtu(iface, mtu); |
| 1841 | } catch (Exception e) { |
| 1842 | Slog.e(TAG, "exception in setMtu()" + e); |
| 1843 | } |
| 1844 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1845 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1846 | private static final String DEFAULT_TCP_BUFFER_SIZES = "4096,87380,110208,4096,16384,110208"; |
Paul Jensen | d7b6ca9 | 2015-05-13 14:05:12 -0400 | [diff] [blame] | 1847 | private static final String DEFAULT_TCP_RWND_KEY = "net.tcp.default_init_rwnd"; |
| 1848 | |
| 1849 | // Overridden for testing purposes to avoid writing to SystemProperties. |
Paul Jensen | 67b0b07 | 2015-06-10 11:22:17 -0400 | [diff] [blame] | 1850 | @VisibleForTesting |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 1851 | protected MockableSystemProperties getSystemProperties() { |
| 1852 | return new MockableSystemProperties(); |
Paul Jensen | d7b6ca9 | 2015-05-13 14:05:12 -0400 | [diff] [blame] | 1853 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1854 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1855 | private void updateTcpBufferSizes(NetworkAgentInfo nai) { |
| 1856 | if (isDefaultNetwork(nai) == false) { |
| 1857 | return; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1858 | } |
| 1859 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1860 | String tcpBufferSizes = nai.linkProperties.getTcpBufferSizes(); |
| 1861 | String[] values = null; |
| 1862 | if (tcpBufferSizes != null) { |
| 1863 | values = tcpBufferSizes.split(","); |
| 1864 | } |
| 1865 | |
| 1866 | if (values == null || values.length != 6) { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 1867 | if (DBG) log("Invalid tcpBufferSizes string: " + tcpBufferSizes +", using defaults"); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1868 | tcpBufferSizes = DEFAULT_TCP_BUFFER_SIZES; |
| 1869 | values = tcpBufferSizes.split(","); |
| 1870 | } |
| 1871 | |
| 1872 | if (tcpBufferSizes.equals(mCurrentTcpBufferSizes)) return; |
| 1873 | |
| 1874 | try { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 1875 | if (VDBG) Slog.d(TAG, "Setting tx/rx TCP buffers to " + tcpBufferSizes); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1876 | |
| 1877 | final String prefix = "/sys/kernel/ipv4/tcp_"; |
| 1878 | FileUtils.stringToFile(prefix + "rmem_min", values[0]); |
| 1879 | FileUtils.stringToFile(prefix + "rmem_def", values[1]); |
| 1880 | FileUtils.stringToFile(prefix + "rmem_max", values[2]); |
| 1881 | FileUtils.stringToFile(prefix + "wmem_min", values[3]); |
| 1882 | FileUtils.stringToFile(prefix + "wmem_def", values[4]); |
| 1883 | FileUtils.stringToFile(prefix + "wmem_max", values[5]); |
| 1884 | mCurrentTcpBufferSizes = tcpBufferSizes; |
| 1885 | } catch (IOException e) { |
| 1886 | loge("Can't set TCP buffer sizes:" + e); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1887 | } |
JP Abgrall | 32d1ac4d | 2014-02-21 12:05:20 -0800 | [diff] [blame] | 1888 | |
JP Abgrall | 32d1ac4d | 2014-02-21 12:05:20 -0800 | [diff] [blame] | 1889 | Integer rwndValue = Settings.Global.getInt(mContext.getContentResolver(), |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 1890 | Settings.Global.TCP_DEFAULT_INIT_RWND, |
| 1891 | mSystemProperties.getInt("net.tcp.default_init_rwnd", 0)); |
JP Abgrall | 32d1ac4d | 2014-02-21 12:05:20 -0800 | [diff] [blame] | 1892 | final String sysctlKey = "sys.sysctl.tcp_def_init_rwnd"; |
| 1893 | if (rwndValue != 0) { |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 1894 | mSystemProperties.set(sysctlKey, rwndValue.toString()); |
JP Abgrall | 32d1ac4d | 2014-02-21 12:05:20 -0800 | [diff] [blame] | 1895 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1896 | } |
| 1897 | |
Mattias Falk | 8b47b36 | 2011-08-23 14:15:13 +0200 | [diff] [blame] | 1898 | private void flushVmDnsCache() { |
Robert Greenwalt | 03595d0 | 2010-11-02 14:08:23 -0700 | [diff] [blame] | 1899 | /* |
| 1900 | * Tell the VMs to toss their DNS caches |
| 1901 | */ |
| 1902 | Intent intent = new Intent(Intent.ACTION_CLEAR_DNS_CACHE); |
| 1903 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Stan Chesnutt | 3d1db86 | 2011-01-05 17:14:03 -0800 | [diff] [blame] | 1904 | /* |
| 1905 | * Connectivity events can happen before boot has completed ... |
| 1906 | */ |
| 1907 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1908 | final long ident = Binder.clearCallingIdentity(); |
| 1909 | try { |
| 1910 | mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| 1911 | } finally { |
| 1912 | Binder.restoreCallingIdentity(ident); |
| 1913 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1914 | } |
| 1915 | |
Robert Greenwalt | 562cc54 | 2014-05-15 18:07:26 -0700 | [diff] [blame] | 1916 | @Override |
| 1917 | public int getRestoreDefaultNetworkDelay(int networkType) { |
Lorenzo Colitti | 42cdf57 | 2017-03-21 18:54:11 +0900 | [diff] [blame] | 1918 | String restoreDefaultNetworkDelayStr = mSystemProperties.get( |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1919 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1920 | if(restoreDefaultNetworkDelayStr != null && |
| 1921 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1922 | try { |
Narayan Kamath | a09b4d2 | 2016-04-15 18:32:45 +0100 | [diff] [blame] | 1923 | return Integer.parseInt(restoreDefaultNetworkDelayStr); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1924 | } catch (NumberFormatException e) { |
| 1925 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1926 | } |
Robert Greenwalt | f2102f7 | 2011-05-03 19:02:44 -0700 | [diff] [blame] | 1927 | // if the system property isn't set, use the value for the apn type |
| 1928 | int ret = RESTORE_DEFAULT_NETWORK_DELAY; |
| 1929 | |
| 1930 | if ((networkType <= ConnectivityManager.MAX_NETWORK_TYPE) && |
| 1931 | (mNetConfigs[networkType] != null)) { |
| 1932 | ret = mNetConfigs[networkType].restoreTime; |
| 1933 | } |
| 1934 | return ret; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1935 | } |
| 1936 | |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 1937 | private boolean argsContain(String[] args, String target) { |
Erik Kline | 379747a | 2015-06-05 17:47:34 +0900 | [diff] [blame] | 1938 | for (String arg : args) { |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 1939 | if (arg.equals(target)) return true; |
Erik Kline | 379747a | 2015-06-05 17:47:34 +0900 | [diff] [blame] | 1940 | } |
| 1941 | return false; |
| 1942 | } |
| 1943 | |
Lorenzo Colitti | 5ff640d | 2016-03-03 17:53:46 +0900 | [diff] [blame] | 1944 | private void dumpNetworkDiagnostics(IndentingPrintWriter pw) { |
| 1945 | final List<NetworkDiagnostics> netDiags = new ArrayList<NetworkDiagnostics>(); |
| 1946 | final long DIAG_TIME_MS = 5000; |
| 1947 | for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) { |
| 1948 | // Start gathering diagnostic information. |
| 1949 | netDiags.add(new NetworkDiagnostics( |
| 1950 | nai.network, |
| 1951 | new LinkProperties(nai.linkProperties), // Must be a copy. |
| 1952 | DIAG_TIME_MS)); |
| 1953 | } |
| 1954 | |
| 1955 | for (NetworkDiagnostics netDiag : netDiags) { |
| 1956 | pw.println(); |
| 1957 | netDiag.waitForMeasurements(); |
| 1958 | netDiag.dump(pw); |
| 1959 | } |
| 1960 | } |
| 1961 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1962 | @Override |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 1963 | protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
| 1964 | final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1965 | if (mContext.checkCallingOrSelfPermission( |
| 1966 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1967 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1968 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1969 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1970 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1971 | return; |
| 1972 | } |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 1973 | |
Erik Kline | 7747fd4 | 2017-05-12 16:52:48 +0900 | [diff] [blame] | 1974 | if (argsContain(args, DIAG_ARG)) { |
Lorenzo Colitti | 5ff640d | 2016-03-03 17:53:46 +0900 | [diff] [blame] | 1975 | dumpNetworkDiagnostics(pw); |
| 1976 | return; |
| 1977 | } |
Erik Kline | 379747a | 2015-06-05 17:47:34 +0900 | [diff] [blame] | 1978 | |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 1979 | pw.print("NetworkFactories for:"); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 1980 | for (NetworkFactoryInfo nfi : mNetworkFactoryInfos.values()) { |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 1981 | pw.print(" " + nfi.name); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 1982 | } |
Lorenzo Colitti | e380546 | 2015-06-03 11:18:24 +0900 | [diff] [blame] | 1983 | pw.println(); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 1984 | pw.println(); |
| 1985 | |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 1986 | final NetworkAgentInfo defaultNai = getDefaultNetwork(); |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 1987 | pw.print("Active default network: "); |
| 1988 | if (defaultNai == null) { |
| 1989 | pw.println("none"); |
| 1990 | } else { |
| 1991 | pw.println(defaultNai.network.netId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1992 | } |
Dianne Hackborn | 77b987f | 2014-02-26 16:20:52 -0800 | [diff] [blame] | 1993 | pw.println(); |
| 1994 | |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 1995 | pw.println("Current Networks:"); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 1996 | pw.increaseIndent(); |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 1997 | for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) { |
| 1998 | pw.println(nai.toString()); |
| 1999 | pw.increaseIndent(); |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2000 | pw.println(String.format( |
| 2001 | "Requests: REQUEST:%d LISTEN:%d BACKGROUND_REQUEST:%d total:%d", |
| 2002 | nai.numForegroundNetworkRequests(), |
| 2003 | nai.numNetworkRequests() - nai.numRequestNetworkRequests(), |
| 2004 | nai.numBackgroundNetworkRequests(), |
| 2005 | nai.numNetworkRequests())); |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 2006 | pw.increaseIndent(); |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 2007 | for (int i = 0; i < nai.numNetworkRequests(); i++) { |
| 2008 | pw.println(nai.requestAt(i).toString()); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2009 | } |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 2010 | pw.decreaseIndent(); |
| 2011 | pw.println("Lingered:"); |
| 2012 | pw.increaseIndent(); |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2013 | nai.dumpLingerTimers(pw); |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 2014 | pw.decreaseIndent(); |
| 2015 | pw.decreaseIndent(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2016 | } |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2017 | pw.decreaseIndent(); |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 2018 | pw.println(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2019 | |
Felipe Leme | 70c8b9b | 2016-04-25 14:41:31 -0700 | [diff] [blame] | 2020 | pw.println("Metered Interfaces:"); |
| 2021 | pw.increaseIndent(); |
| 2022 | for (String value : mMeteredIfaces) { |
| 2023 | pw.println(value); |
| 2024 | } |
| 2025 | pw.decreaseIndent(); |
| 2026 | pw.println(); |
| 2027 | |
Jeff Sharkey | 1b6519b | 2016-04-28 15:33:18 -0600 | [diff] [blame] | 2028 | pw.print("Restrict background: "); |
| 2029 | pw.println(mRestrictBackground); |
| 2030 | pw.println(); |
| 2031 | |
Felipe Leme | 46c4fc3 | 2016-05-04 09:21:43 -0700 | [diff] [blame] | 2032 | pw.println("Status for known UIDs:"); |
| 2033 | pw.increaseIndent(); |
| 2034 | final int size = mUidRules.size(); |
| 2035 | for (int i = 0; i < size; i++) { |
| 2036 | final int uid = mUidRules.keyAt(i); |
| 2037 | pw.print("UID="); |
| 2038 | pw.print(uid); |
| 2039 | final int uidRules = mUidRules.get(uid, RULE_NONE); |
| 2040 | pw.print(" rules="); |
| 2041 | pw.print(uidRulesToString(uidRules)); |
| 2042 | pw.println(); |
| 2043 | } |
| 2044 | pw.println(); |
| 2045 | pw.decreaseIndent(); |
| 2046 | |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 2047 | pw.println("Network Requests:"); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2048 | pw.increaseIndent(); |
Robert Greenwalt | c9c90c7 | 2014-05-13 15:36:27 -0700 | [diff] [blame] | 2049 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
| 2050 | pw.println(nri.toString()); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2051 | } |
| 2052 | pw.println(); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2053 | pw.decreaseIndent(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2054 | |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 2055 | mLegacyTypeTracker.dump(pw); |
Robert Greenwalt | d49ac33 | 2014-07-30 16:31:24 -0700 | [diff] [blame] | 2056 | |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 2057 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2058 | mTethering.dump(fd, pw, args); |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 2059 | |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 2060 | pw.println(); |
| 2061 | mKeepaliveTracker.dump(pw); |
| 2062 | |
Lorenzo Colitti | 5ff640d | 2016-03-03 17:53:46 +0900 | [diff] [blame] | 2063 | pw.println(); |
Lorenzo Colitti | 29bd384 | 2016-09-20 16:03:27 +0900 | [diff] [blame] | 2064 | dumpAvoidBadWifiSettings(pw); |
Lorenzo Colitti | 5ff640d | 2016-03-03 17:53:46 +0900 | [diff] [blame] | 2065 | |
Erik Kline | 7747fd4 | 2017-05-12 16:52:48 +0900 | [diff] [blame] | 2066 | if (argsContain(args, SHORT_ARG) == false) { |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 2067 | pw.println(); |
| 2068 | synchronized (mValidationLogs) { |
| 2069 | pw.println("mValidationLogs (most recent first):"); |
Paul Jensen | 0808eb8 | 2016-06-03 13:51:21 -0400 | [diff] [blame] | 2070 | for (ValidationLog p : mValidationLogs) { |
| 2071 | pw.println(p.mNetwork + " - " + p.mNetworkExtraInfo); |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 2072 | pw.increaseIndent(); |
Paul Jensen | 0808eb8 | 2016-06-03 13:51:21 -0400 | [diff] [blame] | 2073 | p.mLog.dump(fd, pw, args); |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 2074 | pw.decreaseIndent(); |
| 2075 | } |
| 2076 | } |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 2077 | |
| 2078 | pw.println(); |
| 2079 | pw.println("mNetworkRequestInfoLogs (most recent first):"); |
| 2080 | pw.increaseIndent(); |
| 2081 | mNetworkRequestInfoLogs.reverseDump(fd, pw, args); |
| 2082 | pw.decreaseIndent(); |
Hugo Benichi | c2ae287 | 2016-07-11 11:05:12 +0900 | [diff] [blame] | 2083 | |
| 2084 | pw.println(); |
| 2085 | pw.println("mNetworkInfoBlockingLogs (most recent first):"); |
| 2086 | pw.increaseIndent(); |
| 2087 | mNetworkInfoBlockingLogs.reverseDump(fd, pw, args); |
| 2088 | pw.decreaseIndent(); |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 2089 | |
| 2090 | pw.println(); |
| 2091 | pw.println("NetTransition WakeLock activity (most recent first):"); |
| 2092 | pw.increaseIndent(); |
| 2093 | mWakelockLogs.reverseDump(fd, pw, args); |
| 2094 | pw.decreaseIndent(); |
Robert Greenwalt | 22b4c6a | 2015-06-23 15:03:33 -0700 | [diff] [blame] | 2095 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2096 | } |
| 2097 | |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2098 | private boolean isLiveNetworkAgent(NetworkAgentInfo nai, int what) { |
Paul Jensen | ad50a1f | 2014-09-05 12:06:44 -0400 | [diff] [blame] | 2099 | if (nai.network == null) return false; |
Sreeram Ramachandran | 21b5ee3 | 2014-11-12 22:31:52 -0800 | [diff] [blame] | 2100 | final NetworkAgentInfo officialNai = getNetworkAgentInfoForNetwork(nai.network); |
Robert Greenwalt | 73ed9d8 | 2014-08-19 18:58:04 -0700 | [diff] [blame] | 2101 | if (officialNai != null && officialNai.equals(nai)) return true; |
| 2102 | if (officialNai != null || VDBG) { |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 2103 | loge(eventName(what) + " - isLiveNetworkAgent found mismatched netId: " + officialNai + |
Robert Greenwalt | 73ed9d8 | 2014-08-19 18:58:04 -0700 | [diff] [blame] | 2104 | " - " + nai); |
| 2105 | } |
| 2106 | return false; |
| 2107 | } |
| 2108 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2109 | // must be stateless - things change under us. |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2110 | private class NetworkStateTrackerHandler extends Handler { |
| 2111 | public NetworkStateTrackerHandler(Looper looper) { |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 2112 | super(looper); |
| 2113 | } |
| 2114 | |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2115 | private boolean maybeHandleAsyncChannelMessage(Message msg) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2116 | switch (msg.what) { |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2117 | default: |
| 2118 | return false; |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 2119 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2120 | handleAsyncChannelHalfConnect(msg); |
| 2121 | break; |
| 2122 | } |
| 2123 | case AsyncChannel.CMD_CHANNEL_DISCONNECT: { |
| 2124 | NetworkAgentInfo nai = mNetworkAgentInfos.get(msg.replyTo); |
| 2125 | if (nai != null) nai.asyncChannel.disconnect(); |
| 2126 | break; |
| 2127 | } |
| 2128 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 2129 | handleAsyncChannelDisconnected(msg); |
| 2130 | break; |
| 2131 | } |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2132 | } |
| 2133 | return true; |
| 2134 | } |
| 2135 | |
| 2136 | private void maybeHandleNetworkAgentMessage(Message msg) { |
| 2137 | NetworkAgentInfo nai = mNetworkAgentInfos.get(msg.replyTo); |
| 2138 | if (nai == null) { |
| 2139 | if (VDBG) { |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 2140 | log(String.format("%s from unknown NetworkAgent", eventName(msg.what))); |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2141 | } |
| 2142 | return; |
| 2143 | } |
| 2144 | |
| 2145 | switch (msg.what) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2146 | case NetworkAgent.EVENT_NETWORK_CAPABILITIES_CHANGED: { |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2147 | final NetworkCapabilities networkCapabilities = (NetworkCapabilities) msg.obj; |
| 2148 | if (networkCapabilities.hasCapability(NET_CAPABILITY_CAPTIVE_PORTAL) || |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 2149 | networkCapabilities.hasCapability(NET_CAPABILITY_VALIDATED) || |
| 2150 | networkCapabilities.hasCapability(NET_CAPABILITY_FOREGROUND)) { |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2151 | Slog.wtf(TAG, "BUG: " + nai + " has CS-managed capability."); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 2152 | } |
Hugo Benichi | f15b282 | 2016-09-15 18:18:48 +0900 | [diff] [blame] | 2153 | updateCapabilities(nai.getCurrentScore(), nai, networkCapabilities); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 2154 | break; |
| 2155 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2156 | case NetworkAgent.EVENT_NETWORK_PROPERTIES_CHANGED: { |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2157 | if (VDBG) { |
| 2158 | log("Update of LinkProperties for " + nai.name() + |
Robin Lee | 585e248 | 2016-05-01 23:00:00 +0100 | [diff] [blame] | 2159 | "; created=" + nai.created + |
| 2160 | "; everConnected=" + nai.everConnected); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2161 | } |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2162 | LinkProperties oldLp = nai.linkProperties; |
| 2163 | synchronized (nai) { |
| 2164 | nai.linkProperties = (LinkProperties)msg.obj; |
| 2165 | } |
Robin Lee | 585e248 | 2016-05-01 23:00:00 +0100 | [diff] [blame] | 2166 | if (nai.everConnected) updateLinkProperties(nai, oldLp); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2167 | break; |
| 2168 | } |
| 2169 | case NetworkAgent.EVENT_NETWORK_INFO_CHANGED: { |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2170 | NetworkInfo info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2171 | updateNetworkInfo(nai, info); |
| 2172 | break; |
| 2173 | } |
Robert Greenwalt | 55691b8 | 2014-05-27 13:20:24 -0700 | [diff] [blame] | 2174 | case NetworkAgent.EVENT_NETWORK_SCORE_CHANGED: { |
Robert Greenwalt | 55691b8 | 2014-05-27 13:20:24 -0700 | [diff] [blame] | 2175 | Integer score = (Integer) msg.obj; |
Robert Greenwalt | ac96c52 | 2014-06-03 16:43:57 -0700 | [diff] [blame] | 2176 | if (score != null) updateNetworkScore(nai, score.intValue()); |
Robert Greenwalt | 55691b8 | 2014-05-27 13:20:24 -0700 | [diff] [blame] | 2177 | break; |
| 2178 | } |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 2179 | case NetworkAgent.EVENT_UID_RANGES_ADDED: { |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 2180 | try { |
| 2181 | mNetd.addVpnUidRanges(nai.network.netId, (UidRange[])msg.obj); |
Sreeram Ramachandran | 42065ac | 2014-07-27 00:37:35 -0700 | [diff] [blame] | 2182 | } catch (Exception e) { |
| 2183 | // Never crash! |
| 2184 | loge("Exception in addVpnUidRanges: " + e); |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 2185 | } |
| 2186 | break; |
| 2187 | } |
| 2188 | case NetworkAgent.EVENT_UID_RANGES_REMOVED: { |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 2189 | try { |
| 2190 | mNetd.removeVpnUidRanges(nai.network.netId, (UidRange[])msg.obj); |
Sreeram Ramachandran | 42065ac | 2014-07-27 00:37:35 -0700 | [diff] [blame] | 2191 | } catch (Exception e) { |
| 2192 | // Never crash! |
| 2193 | loge("Exception in removeVpnUidRanges: " + e); |
| 2194 | } |
| 2195 | break; |
| 2196 | } |
Robert Greenwalt | e73cc46 | 2014-09-07 16:50:01 -0700 | [diff] [blame] | 2197 | case NetworkAgent.EVENT_SET_EXPLICITLY_SELECTED: { |
Robin Lee | 585e248 | 2016-05-01 23:00:00 +0100 | [diff] [blame] | 2198 | if (nai.everConnected && !nai.networkMisc.explicitlySelected) { |
| 2199 | loge("ERROR: already-connected network explicitly selected."); |
Paul Jensen | 4b9b2be | 2014-09-26 10:10:22 -0400 | [diff] [blame] | 2200 | } |
Robert Greenwalt | e73cc46 | 2014-09-07 16:50:01 -0700 | [diff] [blame] | 2201 | nai.networkMisc.explicitlySelected = true; |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2202 | nai.networkMisc.acceptUnvalidated = (boolean) msg.obj; |
Robert Greenwalt | e73cc46 | 2014-09-07 16:50:01 -0700 | [diff] [blame] | 2203 | break; |
| 2204 | } |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 2205 | case NetworkAgent.EVENT_PACKET_KEEPALIVE: { |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 2206 | mKeepaliveTracker.handleEventPacketKeepalive(nai, msg); |
| 2207 | break; |
| 2208 | } |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2209 | } |
| 2210 | } |
| 2211 | |
| 2212 | private boolean maybeHandleNetworkMonitorMessage(Message msg) { |
| 2213 | switch (msg.what) { |
| 2214 | default: |
| 2215 | return false; |
Paul Jensen | ad50a1f | 2014-09-05 12:06:44 -0400 | [diff] [blame] | 2216 | case NetworkMonitor.EVENT_NETWORK_TESTED: { |
Paul Jensen | 23243731 | 2016-04-06 09:51:26 -0400 | [diff] [blame] | 2217 | final NetworkAgentInfo nai; |
| 2218 | synchronized (mNetworkForNetId) { |
| 2219 | nai = mNetworkForNetId.get(msg.arg2); |
| 2220 | } |
| 2221 | if (nai != null) { |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 2222 | final boolean valid = |
| 2223 | (msg.arg1 == NetworkMonitor.NETWORK_TEST_RESULT_VALID); |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 2224 | final boolean wasValidated = nai.lastValidated; |
Paul Jensen | 23243731 | 2016-04-06 09:51:26 -0400 | [diff] [blame] | 2225 | if (DBG) log(nai.name() + " validation " + (valid ? "passed" : "failed") + |
| 2226 | (msg.obj == null ? "" : " with redirect to " + (String)msg.obj)); |
Paul Jensen | 1c7ba02 | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2227 | if (valid != nai.lastValidated) { |
| 2228 | final int oldScore = nai.getCurrentScore(); |
Paul Jensen | 1c7ba02 | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2229 | nai.lastValidated = valid; |
| 2230 | nai.everValidated |= valid; |
Hugo Benichi | f15b282 | 2016-09-15 18:18:48 +0900 | [diff] [blame] | 2231 | updateCapabilities(oldScore, nai, nai.networkCapabilities); |
Paul Jensen | 1c7ba02 | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2232 | // If score has changed, rebroadcast to NetworkFactories. b/17726566 |
| 2233 | if (oldScore != nai.getCurrentScore()) sendUpdatedScoreToFactories(nai); |
Paul Jensen | ad50a1f | 2014-09-05 12:06:44 -0400 | [diff] [blame] | 2234 | } |
Lorenzo Colitti | 7b42f39 | 2014-12-17 11:26:49 +0900 | [diff] [blame] | 2235 | updateInetCondition(nai); |
Robert Greenwalt | 49f63fb | 2014-09-13 12:04:12 -0700 | [diff] [blame] | 2236 | // Let the NetworkAgent know the state of its network |
Paul Jensen | 23243731 | 2016-04-06 09:51:26 -0400 | [diff] [blame] | 2237 | Bundle redirectUrlBundle = new Bundle(); |
| 2238 | redirectUrlBundle.putString(NetworkAgent.REDIRECT_URL_KEY, (String)msg.obj); |
Robert Greenwalt | 49f63fb | 2014-09-13 12:04:12 -0700 | [diff] [blame] | 2239 | nai.asyncChannel.sendMessage( |
Paul Jensen | 23243731 | 2016-04-06 09:51:26 -0400 | [diff] [blame] | 2240 | NetworkAgent.CMD_REPORT_NETWORK_STATUS, |
Robert Greenwalt | 49f63fb | 2014-09-13 12:04:12 -0700 | [diff] [blame] | 2241 | (valid ? NetworkAgent.VALID_NETWORK : NetworkAgent.INVALID_NETWORK), |
Paul Jensen | 23243731 | 2016-04-06 09:51:26 -0400 | [diff] [blame] | 2242 | 0, redirectUrlBundle); |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 2243 | if (wasValidated && !nai.lastValidated) { |
| 2244 | handleNetworkUnvalidated(nai); |
| 2245 | } |
Robert Greenwalt | 73ed9d8 | 2014-08-19 18:58:04 -0700 | [diff] [blame] | 2246 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2247 | break; |
| 2248 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 2249 | case NetworkMonitor.EVENT_PROVISIONING_NOTIFICATION: { |
Lorenzo Colitti | f6673d0 | 2015-05-21 16:17:05 +0900 | [diff] [blame] | 2250 | final int netId = msg.arg2; |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 2251 | final boolean visible = toBool(msg.arg1); |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2252 | final NetworkAgentInfo nai; |
| 2253 | synchronized (mNetworkForNetId) { |
| 2254 | nai = mNetworkForNetId.get(netId); |
| 2255 | } |
Calvin On | 1f64f3f | 2016-10-11 15:10:46 -0700 | [diff] [blame] | 2256 | // If captive portal status has changed, update capabilities or disconnect. |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2257 | if (nai != null && (visible != nai.lastCaptivePortalDetected)) { |
Hugo Benichi | f15b282 | 2016-09-15 18:18:48 +0900 | [diff] [blame] | 2258 | final int oldScore = nai.getCurrentScore(); |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2259 | nai.lastCaptivePortalDetected = visible; |
| 2260 | nai.everCaptivePortalDetected |= visible; |
Calvin On | 1f64f3f | 2016-10-11 15:10:46 -0700 | [diff] [blame] | 2261 | if (nai.lastCaptivePortalDetected && |
| 2262 | Settings.Global.CAPTIVE_PORTAL_MODE_AVOID == getCaptivePortalMode()) { |
| 2263 | if (DBG) log("Avoiding captive portal network: " + nai.name()); |
| 2264 | nai.asyncChannel.sendMessage( |
| 2265 | NetworkAgent.CMD_PREVENT_AUTOMATIC_RECONNECT); |
| 2266 | teardownUnneededNetwork(nai); |
| 2267 | break; |
| 2268 | } |
Hugo Benichi | f15b282 | 2016-09-15 18:18:48 +0900 | [diff] [blame] | 2269 | updateCapabilities(oldScore, nai, nai.networkCapabilities); |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2270 | } |
| 2271 | if (!visible) { |
Lorenzo Colitti | 0b59906 | 2016-08-22 22:36:19 +0900 | [diff] [blame] | 2272 | mNotifier.clearNotification(netId); |
Paul Jensen | fdc4e4a | 2014-07-15 12:07:36 -0400 | [diff] [blame] | 2273 | } else { |
Paul Jensen | 5df4bec | 2014-08-25 22:45:39 -0400 | [diff] [blame] | 2274 | if (nai == null) { |
| 2275 | loge("EVENT_PROVISIONING_NOTIFICATION from unknown NetworkMonitor"); |
| 2276 | break; |
| 2277 | } |
fionaxu | 1bf6ec2 | 2016-05-23 16:33:16 -0700 | [diff] [blame] | 2278 | if (!nai.networkMisc.provisioningNotificationDisabled) { |
Lorenzo Colitti | 5526f9c | 2016-08-22 16:46:40 +0900 | [diff] [blame] | 2279 | mNotifier.showNotification(netId, NotificationType.SIGN_IN, nai, null, |
Lorenzo Colitti | 0b59906 | 2016-08-22 22:36:19 +0900 | [diff] [blame] | 2280 | (PendingIntent) msg.obj, nai.networkMisc.explicitlySelected); |
fionaxu | 1bf6ec2 | 2016-05-23 16:33:16 -0700 | [diff] [blame] | 2281 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 2282 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 2283 | break; |
| 2284 | } |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2285 | } |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2286 | return true; |
| 2287 | } |
| 2288 | |
Calvin On | 1f64f3f | 2016-10-11 15:10:46 -0700 | [diff] [blame] | 2289 | private int getCaptivePortalMode() { |
| 2290 | return Settings.Global.getInt(mContext.getContentResolver(), |
| 2291 | Settings.Global.CAPTIVE_PORTAL_MODE, |
| 2292 | Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT); |
| 2293 | } |
| 2294 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2295 | private boolean maybeHandleNetworkAgentInfoMessage(Message msg) { |
| 2296 | switch (msg.what) { |
| 2297 | default: |
| 2298 | return false; |
| 2299 | case NetworkAgentInfo.EVENT_NETWORK_LINGER_COMPLETE: { |
| 2300 | NetworkAgentInfo nai = (NetworkAgentInfo) msg.obj; |
| 2301 | if (nai != null && isLiveNetworkAgent(nai, msg.what)) { |
| 2302 | handleLingerComplete(nai); |
| 2303 | } |
| 2304 | break; |
| 2305 | } |
| 2306 | } |
| 2307 | return true; |
| 2308 | } |
| 2309 | |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2310 | @Override |
| 2311 | public void handleMessage(Message msg) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2312 | if (!maybeHandleAsyncChannelMessage(msg) && |
| 2313 | !maybeHandleNetworkMonitorMessage(msg) && |
| 2314 | !maybeHandleNetworkAgentInfoMessage(msg)) { |
Lorenzo Colitti | 9b0c8fd | 2016-04-05 17:52:16 +0900 | [diff] [blame] | 2315 | maybeHandleNetworkAgentMessage(msg); |
| 2316 | } |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2317 | } |
| 2318 | } |
| 2319 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2320 | private void updateLingerState(NetworkAgentInfo nai, long now) { |
| 2321 | // 1. Update the linger timer. If it's changed, reschedule or cancel the alarm. |
| 2322 | // 2. If the network was lingering and there are now requests, unlinger it. |
| 2323 | // 3. If this network is unneeded (which implies it is not lingering), and there is at least |
| 2324 | // one lingered request, start lingering. |
| 2325 | nai.updateLingerTimer(); |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2326 | if (nai.isLingering() && nai.numForegroundNetworkRequests() > 0) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2327 | if (DBG) log("Unlingering " + nai.name()); |
| 2328 | nai.unlinger(); |
| 2329 | logNetworkEvent(nai, NetworkEvent.NETWORK_UNLINGER); |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2330 | } else if (unneeded(nai, UnneededFor.LINGER) && nai.getLingerExpiry() > 0) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2331 | int lingerTime = (int) (nai.getLingerExpiry() - now); |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2332 | if (DBG) log("Lingering " + nai.name() + " for " + lingerTime + "ms"); |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2333 | nai.linger(); |
| 2334 | logNetworkEvent(nai, NetworkEvent.NETWORK_LINGER); |
| 2335 | notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOSING, lingerTime); |
| 2336 | } |
Paul Jensen | 0cc1732 | 2014-11-25 15:26:53 -0500 | [diff] [blame] | 2337 | } |
| 2338 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2339 | private void handleAsyncChannelHalfConnect(Message msg) { |
| 2340 | AsyncChannel ac = (AsyncChannel) msg.obj; |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 2341 | if (mNetworkFactoryInfos.containsKey(msg.replyTo)) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2342 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 2343 | if (VDBG) log("NetworkFactory connected"); |
| 2344 | // A network factory has connected. Send it all current NetworkRequests. |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2345 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
Lorenzo Colitti | f4a45f4 | 2016-07-18 18:17:08 +0900 | [diff] [blame] | 2346 | if (nri.request.isListen()) continue; |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2347 | NetworkAgentInfo nai = mNetworkForRequestId.get(nri.request.requestId); |
Robert Greenwalt | 55691b8 | 2014-05-27 13:20:24 -0700 | [diff] [blame] | 2348 | ac.sendMessage(android.net.NetworkFactory.CMD_REQUEST_NETWORK, |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 2349 | (nai != null ? nai.getCurrentScore() : 0), 0, nri.request); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2350 | } |
| 2351 | } else { |
| 2352 | loge("Error connecting NetworkFactory"); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 2353 | mNetworkFactoryInfos.remove(msg.obj); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2354 | } |
| 2355 | } else if (mNetworkAgentInfos.containsKey(msg.replyTo)) { |
| 2356 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 2357 | if (VDBG) log("NetworkAgent connected"); |
| 2358 | // A network agent has requested a connection. Establish the connection. |
| 2359 | mNetworkAgentInfos.get(msg.replyTo).asyncChannel. |
| 2360 | sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION); |
| 2361 | } else { |
| 2362 | loge("Error connecting NetworkAgent"); |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 2363 | NetworkAgentInfo nai = mNetworkAgentInfos.remove(msg.replyTo); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2364 | if (nai != null) { |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 2365 | final boolean wasDefault = isDefaultNetwork(nai); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 2366 | synchronized (mNetworkForNetId) { |
| 2367 | mNetworkForNetId.remove(nai.network.netId); |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 2368 | mNetIdInUse.delete(nai.network.netId); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 2369 | } |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 2370 | // Just in case. |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 2371 | mLegacyTypeTracker.remove(nai, wasDefault); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2372 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2373 | } |
| 2374 | } |
| 2375 | } |
Paul Jensen | 0cc1732 | 2014-11-25 15:26:53 -0500 | [diff] [blame] | 2376 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2377 | private void handleAsyncChannelDisconnected(Message msg) { |
| 2378 | NetworkAgentInfo nai = mNetworkAgentInfos.get(msg.replyTo); |
| 2379 | if (nai != null) { |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2380 | if (DBG) { |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 2381 | log(nai.name() + " got DISCONNECTED, was satisfying " + nai.numNetworkRequests()); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2382 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2383 | // A network agent has disconnected. |
Robert Greenwalt | 562cc54 | 2014-05-15 18:07:26 -0700 | [diff] [blame] | 2384 | // TODO - if we move the logic to the network agent (have them disconnect |
| 2385 | // because they lost all their requests or because their score isn't good) |
| 2386 | // then they would disconnect organically, report their new state and then |
| 2387 | // disconnect the channel. |
| 2388 | if (nai.networkInfo.isConnected()) { |
| 2389 | nai.networkInfo.setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, |
| 2390 | null, null); |
| 2391 | } |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 2392 | final boolean wasDefault = isDefaultNetwork(nai); |
| 2393 | if (wasDefault) { |
Robert Greenwalt | bf4eed7 | 2014-08-06 21:32:18 -0700 | [diff] [blame] | 2394 | mDefaultInetConditionPublished = 0; |
Hugo Benichi | 1654b1d | 2016-05-24 11:50:31 +0900 | [diff] [blame] | 2395 | // Log default network disconnection before required book-keeping. |
| 2396 | // Let rematchAllNetworksAndRequests() below record a new default network event |
| 2397 | // if there is a fallback. Taken together, the two form a X -> 0, 0 -> Y sequence |
| 2398 | // whose timestamps tell how long it takes to recover a default network. |
| 2399 | logDefaultNetworkEvent(null, nai); |
Robert Greenwalt | bf4eed7 | 2014-08-06 21:32:18 -0700 | [diff] [blame] | 2400 | } |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 2401 | notifyIfacesChangedForNetworkStats(); |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 2402 | // TODO - we shouldn't send CALLBACK_LOST to requests that can be satisfied |
| 2403 | // by other networks that are already connected. Perhaps that can be done by |
| 2404 | // sending all CALLBACK_LOST messages (for requests, not listens) at the end |
| 2405 | // of rematchAllNetworksAndRequests |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2406 | notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOST); |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 2407 | mKeepaliveTracker.handleStopAllKeepalives(nai, |
| 2408 | ConnectivityManager.PacketKeepalive.ERROR_INVALID_NETWORK); |
Paul Jensen | ca8f16a | 2014-05-09 12:47:55 -0400 | [diff] [blame] | 2409 | nai.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_DISCONNECTED); |
Paul Jensen | 3b75982 | 2014-05-13 11:44:01 -0400 | [diff] [blame] | 2410 | mNetworkAgentInfos.remove(msg.replyTo); |
| 2411 | updateClat(null, nai.linkProperties, nai); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 2412 | synchronized (mNetworkForNetId) { |
Paul Jensen | 62d3080 | 2015-06-17 14:42:30 -0400 | [diff] [blame] | 2413 | // Remove the NetworkAgent, but don't mark the netId as |
| 2414 | // available until we've told netd to delete it below. |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 2415 | mNetworkForNetId.remove(nai.network.netId); |
| 2416 | } |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 2417 | // Remove all previously satisfied requests. |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 2418 | for (int i = 0; i < nai.numNetworkRequests(); i++) { |
| 2419 | NetworkRequest request = nai.requestAt(i); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2420 | NetworkAgentInfo currentNetwork = mNetworkForRequestId.get(request.requestId); |
| 2421 | if (currentNetwork != null && currentNetwork.network.netId == nai.network.netId) { |
| 2422 | mNetworkForRequestId.remove(request.requestId); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2423 | sendUpdatedScoreToFactories(request, 0); |
| 2424 | } |
| 2425 | } |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2426 | nai.clearLingerState(); |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 2427 | if (nai.isSatisfyingRequest(mDefaultRequest.requestId)) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2428 | removeDataActivityTracking(nai); |
Lorenzo Colitti | 0cb7903 | 2014-10-15 16:06:07 +0900 | [diff] [blame] | 2429 | notifyLockdownVpn(nai); |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 2430 | ensureNetworkTransitionWakelock(nai.name()); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2431 | } |
Lorenzo Colitti | cc917ce | 2015-05-01 00:30:10 +0900 | [diff] [blame] | 2432 | mLegacyTypeTracker.remove(nai, wasDefault); |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 2433 | rematchAllNetworksAndRequests(null, 0); |
Lorenzo Colitti | 5526f9c | 2016-08-22 16:46:40 +0900 | [diff] [blame] | 2434 | mLingerMonitor.noteDisconnect(nai); |
Paul Jensen | 62d3080 | 2015-06-17 14:42:30 -0400 | [diff] [blame] | 2435 | if (nai.created) { |
| 2436 | // Tell netd to clean up the configuration for this network |
| 2437 | // (routing rules, DNS, etc). |
| 2438 | // This may be slow as it requires a lot of netd shelling out to ip and |
| 2439 | // ip[6]tables to flush routes and remove the incoming packet mark rule, so do it |
| 2440 | // after we've rematched networks with requests which should make a potential |
| 2441 | // fallback network the default or requested a new network from the |
| 2442 | // NetworkFactories, so network traffic isn't interrupted for an unnecessarily |
| 2443 | // long time. |
| 2444 | try { |
| 2445 | mNetd.removeNetwork(nai.network.netId); |
| 2446 | } catch (Exception e) { |
| 2447 | loge("Exception removing network: " + e); |
| 2448 | } |
| 2449 | } |
| 2450 | synchronized (mNetworkForNetId) { |
| 2451 | mNetIdInUse.delete(nai.network.netId); |
| 2452 | } |
| 2453 | } else { |
| 2454 | NetworkFactoryInfo nfi = mNetworkFactoryInfos.remove(msg.replyTo); |
| 2455 | if (DBG && nfi != null) log("unregisterNetworkFactory for " + nfi.name); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2456 | } |
| 2457 | } |
| 2458 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 2459 | // If this method proves to be too slow then we can maintain a separate |
| 2460 | // pendingIntent => NetworkRequestInfo map. |
| 2461 | // This method assumes that every non-null PendingIntent maps to exactly 1 NetworkRequestInfo. |
| 2462 | private NetworkRequestInfo findExistingNetworkRequestInfo(PendingIntent pendingIntent) { |
| 2463 | Intent intent = pendingIntent.getIntent(); |
| 2464 | for (Map.Entry<NetworkRequest, NetworkRequestInfo> entry : mNetworkRequests.entrySet()) { |
| 2465 | PendingIntent existingPendingIntent = entry.getValue().mPendingIntent; |
| 2466 | if (existingPendingIntent != null && |
| 2467 | existingPendingIntent.getIntent().filterEquals(intent)) { |
| 2468 | return entry.getValue(); |
| 2469 | } |
| 2470 | } |
| 2471 | return null; |
| 2472 | } |
| 2473 | |
| 2474 | private void handleRegisterNetworkRequestWithIntent(Message msg) { |
| 2475 | final NetworkRequestInfo nri = (NetworkRequestInfo) (msg.obj); |
| 2476 | |
| 2477 | NetworkRequestInfo existingRequest = findExistingNetworkRequestInfo(nri.mPendingIntent); |
| 2478 | if (existingRequest != null) { // remove the existing request. |
| 2479 | if (DBG) log("Replacing " + existingRequest.request + " with " |
| 2480 | + nri.request + " because their intents matched."); |
| 2481 | handleReleaseNetworkRequest(existingRequest.request, getCallingUid()); |
| 2482 | } |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 2483 | handleRegisterNetworkRequest(nri); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 2484 | } |
| 2485 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 2486 | private void handleRegisterNetworkRequest(NetworkRequestInfo nri) { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 2487 | mNetworkRequests.put(nri.request, nri); |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 2488 | mNetworkRequestInfoLogs.log("REGISTER " + nri); |
Lorenzo Colitti | f4a45f4 | 2016-07-18 18:17:08 +0900 | [diff] [blame] | 2489 | if (nri.request.isListen()) { |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 2490 | for (NetworkAgentInfo network : mNetworkAgentInfos.values()) { |
Lorenzo Colitti | 6bc0a2b | 2015-09-15 15:56:01 +0900 | [diff] [blame] | 2491 | if (nri.request.networkCapabilities.hasSignalStrength() && |
| 2492 | network.satisfiesImmutableCapabilitiesOf(nri.request)) { |
| 2493 | updateSignalStrengthThresholds(network, "REGISTER", nri.request); |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 2494 | } |
| 2495 | } |
| 2496 | } |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 2497 | rematchAllNetworksAndRequests(null, 0); |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 2498 | if (nri.request.isRequest() && mNetworkForRequestId.get(nri.request.requestId) == null) { |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 2499 | sendUpdatedScoreToFactories(nri.request, 0); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2500 | } |
| 2501 | } |
| 2502 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 2503 | private void handleReleaseNetworkRequestWithIntent(PendingIntent pendingIntent, |
| 2504 | int callingUid) { |
| 2505 | NetworkRequestInfo nri = findExistingNetworkRequestInfo(pendingIntent); |
| 2506 | if (nri != null) { |
| 2507 | handleReleaseNetworkRequest(nri.request, callingUid); |
| 2508 | } |
| 2509 | } |
| 2510 | |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2511 | // Determines whether the network is the best (or could become the best, if it validated), for |
| 2512 | // none of a particular type of NetworkRequests. The type of NetworkRequests considered depends |
| 2513 | // on the value of reason: |
| 2514 | // |
| 2515 | // - UnneededFor.TEARDOWN: non-listen NetworkRequests. If a network is unneeded for this reason, |
| 2516 | // then it should be torn down. |
| 2517 | // - UnneededFor.LINGER: foreground NetworkRequests. If a network is unneeded for this reason, |
| 2518 | // then it should be lingered. |
| 2519 | private boolean unneeded(NetworkAgentInfo nai, UnneededFor reason) { |
| 2520 | final int numRequests; |
| 2521 | switch (reason) { |
| 2522 | case TEARDOWN: |
| 2523 | numRequests = nai.numRequestNetworkRequests(); |
| 2524 | break; |
| 2525 | case LINGER: |
| 2526 | numRequests = nai.numForegroundNetworkRequests(); |
| 2527 | break; |
| 2528 | default: |
| 2529 | Slog.wtf(TAG, "Invalid reason. Cannot happen."); |
| 2530 | return true; |
| 2531 | } |
| 2532 | |
| 2533 | if (!nai.everConnected || nai.isVPN() || nai.isLingering() || numRequests > 0) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 2534 | return false; |
| 2535 | } |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 2536 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2537 | if (reason == UnneededFor.LINGER && nri.request.isBackgroundRequest()) { |
| 2538 | // Background requests don't affect lingering. |
| 2539 | continue; |
| 2540 | } |
| 2541 | |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 2542 | // If this Network is already the highest scoring Network for a request, or if |
| 2543 | // there is hope for it to become one if it validated, then it is needed. |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 2544 | if (nri.request.isRequest() && nai.satisfies(nri.request) && |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 2545 | (nai.isSatisfyingRequest(nri.request.requestId) || |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 2546 | // Note that this catches two important cases: |
| 2547 | // 1. Unvalidated cellular will not be reaped when unvalidated WiFi |
| 2548 | // is currently satisfying the request. This is desirable when |
| 2549 | // cellular ends up validating but WiFi does not. |
| 2550 | // 2. Unvalidated WiFi will not be reaped when validated cellular |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 2551 | // is currently satisfying the request. This is desirable when |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 2552 | // WiFi ends up validating and out scoring cellular. |
| 2553 | mNetworkForRequestId.get(nri.request.requestId).getCurrentScore() < |
| 2554 | nai.getCurrentScoreAsValidated())) { |
| 2555 | return false; |
Paul Jensen | 9936484 | 2014-12-09 11:43:45 -0500 | [diff] [blame] | 2556 | } |
| 2557 | } |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 2558 | return true; |
Paul Jensen | 9936484 | 2014-12-09 11:43:45 -0500 | [diff] [blame] | 2559 | } |
| 2560 | |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2561 | private NetworkRequestInfo getNriForAppRequest( |
| 2562 | NetworkRequest request, int callingUid, String requestedOperation) { |
| 2563 | final NetworkRequestInfo nri = mNetworkRequests.get(request); |
| 2564 | |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2565 | if (nri != null) { |
Jeff Davidson | 6f91390 | 2014-08-21 15:54:15 -0700 | [diff] [blame] | 2566 | if (Process.SYSTEM_UID != callingUid && nri.mUid != callingUid) { |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2567 | log(String.format("UID %d attempted to %s for unowned request %s", |
| 2568 | callingUid, requestedOperation, nri)); |
| 2569 | return null; |
Paul Jensen | 7ecb42f | 2014-05-16 14:31:12 -0400 | [diff] [blame] | 2570 | } |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2571 | } |
| 2572 | |
| 2573 | return nri; |
| 2574 | } |
| 2575 | |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2576 | private void handleTimedOutNetworkRequest(final NetworkRequestInfo nri) { |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 2577 | if (mNetworkRequests.get(nri.request) == null) { |
| 2578 | return; |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2579 | } |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 2580 | if (mNetworkForRequestId.get(nri.request.requestId) != null) { |
| 2581 | return; |
| 2582 | } |
| 2583 | if (VDBG || (DBG && nri.request.isRequest())) { |
| 2584 | log("releasing " + nri.request + " (timeout)"); |
| 2585 | } |
| 2586 | handleRemoveNetworkRequest(nri); |
| 2587 | callCallbackForRequest(nri, null, ConnectivityManager.CALLBACK_UNAVAIL, 0); |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2588 | } |
| 2589 | |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2590 | private void handleReleaseNetworkRequest(NetworkRequest request, int callingUid) { |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 2591 | final NetworkRequestInfo nri = |
| 2592 | getNriForAppRequest(request, callingUid, "release NetworkRequest"); |
| 2593 | if (nri == null) { |
| 2594 | return; |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2595 | } |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 2596 | if (VDBG || (DBG && nri.request.isRequest())) { |
| 2597 | log("releasing " + nri.request + " (release request)"); |
| 2598 | } |
| 2599 | handleRemoveNetworkRequest(nri); |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2600 | } |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2601 | |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 2602 | private void handleRemoveNetworkRequest(final NetworkRequestInfo nri) { |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2603 | nri.unlinkDeathRecipient(); |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2604 | mNetworkRequests.remove(nri.request); |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2605 | synchronized (mUidToNetworkRequestCount) { |
| 2606 | int requests = mUidToNetworkRequestCount.get(nri.mUid, 0); |
| 2607 | if (requests < 1) { |
| 2608 | Slog.wtf(TAG, "BUG: too small request count " + requests + " for UID " + |
| 2609 | nri.mUid); |
| 2610 | } else if (requests == 1) { |
| 2611 | mUidToNetworkRequestCount.removeAt( |
| 2612 | mUidToNetworkRequestCount.indexOfKey(nri.mUid)); |
| 2613 | } else { |
| 2614 | mUidToNetworkRequestCount.put(nri.mUid, requests - 1); |
| 2615 | } |
| 2616 | } |
| 2617 | mNetworkRequestInfoLogs.log("RELEASE " + nri); |
| 2618 | if (nri.request.isRequest()) { |
| 2619 | boolean wasKept = false; |
| 2620 | NetworkAgentInfo nai = mNetworkForRequestId.get(nri.request.requestId); |
| 2621 | if (nai != null) { |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 2622 | boolean wasBackgroundNetwork = nai.isBackgroundNetwork(); |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2623 | nai.removeRequest(nri.request.requestId); |
| 2624 | if (VDBG) { |
| 2625 | log(" Removing from current network " + nai.name() + |
| 2626 | ", leaving " + nai.numNetworkRequests() + " requests."); |
| 2627 | } |
| 2628 | // If there are still lingered requests on this network, don't tear it down, |
| 2629 | // but resume lingering instead. |
| 2630 | updateLingerState(nai, SystemClock.elapsedRealtime()); |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 2631 | if (unneeded(nai, UnneededFor.TEARDOWN)) { |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2632 | if (DBG) log("no live requests for " + nai.name() + "; disconnecting"); |
| 2633 | teardownUnneededNetwork(nai); |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 2634 | } else { |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2635 | wasKept = true; |
| 2636 | } |
| 2637 | mNetworkForRequestId.remove(nri.request.requestId); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 2638 | if (!wasBackgroundNetwork && nai.isBackgroundNetwork()) { |
| 2639 | // Went from foreground to background. |
Lorenzo Colitti | b8167f6 | 2016-09-15 22:47:08 +0900 | [diff] [blame] | 2640 | updateCapabilities(nai.getCurrentScore(), nai, nai.networkCapabilities); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 2641 | } |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2642 | } |
| 2643 | |
| 2644 | // TODO: remove this code once we know that the Slog.wtf is never hit. |
| 2645 | // |
| 2646 | // Find all networks that are satisfying this request and remove the request |
| 2647 | // from their request lists. |
| 2648 | // TODO - it's my understanding that for a request there is only a single |
| 2649 | // network satisfying it, so this loop is wasteful |
| 2650 | for (NetworkAgentInfo otherNai : mNetworkAgentInfos.values()) { |
| 2651 | if (otherNai.isSatisfyingRequest(nri.request.requestId) && otherNai != nai) { |
| 2652 | Slog.wtf(TAG, "Request " + nri.request + " satisfied by " + |
| 2653 | otherNai.name() + ", but mNetworkAgentInfos says " + |
| 2654 | (nai != null ? nai.name() : "null")); |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 2655 | } |
| 2656 | } |
Lorenzo Colitti | 446598c | 2016-07-06 19:04:26 +0900 | [diff] [blame] | 2657 | |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2658 | // Maintain the illusion. When this request arrived, we might have pretended |
| 2659 | // that a network connected to serve it, even though the network was already |
| 2660 | // connected. Now that this request has gone away, we might have to pretend |
| 2661 | // that the network disconnected. LegacyTypeTracker will generate that |
| 2662 | // phantom disconnect for this type. |
| 2663 | if (nri.request.legacyType != TYPE_NONE && nai != null) { |
| 2664 | boolean doRemove = true; |
| 2665 | if (wasKept) { |
| 2666 | // check if any of the remaining requests for this network are for the |
| 2667 | // same legacy type - if so, don't remove the nai |
| 2668 | for (int i = 0; i < nai.numNetworkRequests(); i++) { |
| 2669 | NetworkRequest otherRequest = nai.requestAt(i); |
| 2670 | if (otherRequest.legacyType == nri.request.legacyType && |
| 2671 | otherRequest.isRequest()) { |
| 2672 | if (DBG) log(" still have other legacy request - leaving"); |
| 2673 | doRemove = false; |
Robert Greenwalt | 5148185 | 2015-01-08 14:43:31 -0800 | [diff] [blame] | 2674 | } |
| 2675 | } |
Robert Greenwalt | 4456cf3 | 2014-08-24 22:52:10 -0700 | [diff] [blame] | 2676 | } |
| 2677 | |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2678 | if (doRemove) { |
| 2679 | mLegacyTypeTracker.remove(nri.request.legacyType, nai, false); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2680 | } |
| 2681 | } |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 2682 | |
| 2683 | for (NetworkFactoryInfo nfi : mNetworkFactoryInfos.values()) { |
| 2684 | nfi.asyncChannel.sendMessage(android.net.NetworkFactory.CMD_CANCEL_REQUEST, |
| 2685 | nri.request); |
| 2686 | } |
| 2687 | } else { |
| 2688 | // listens don't have a singular affectedNetwork. Check all networks to see |
| 2689 | // if this listen request applies and remove it. |
| 2690 | for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) { |
| 2691 | nai.removeRequest(nri.request.requestId); |
| 2692 | if (nri.request.networkCapabilities.hasSignalStrength() && |
| 2693 | nai.satisfiesImmutableCapabilitiesOf(nri.request)) { |
| 2694 | updateSignalStrengthThresholds(nai, "RELEASE", nri.request); |
| 2695 | } |
| 2696 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2697 | } |
| 2698 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2699 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 2700 | @Override |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2701 | public void setAcceptUnvalidated(Network network, boolean accept, boolean always) { |
| 2702 | enforceConnectivityInternalPermission(); |
| 2703 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_ACCEPT_UNVALIDATED, |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 2704 | encodeBool(accept), encodeBool(always), network)); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2705 | } |
| 2706 | |
Lorenzo Colitti | 165c51c | 2016-09-19 01:00:19 +0900 | [diff] [blame] | 2707 | @Override |
| 2708 | public void setAvoidUnvalidated(Network network) { |
| 2709 | enforceConnectivityInternalPermission(); |
| 2710 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_AVOID_UNVALIDATED, network)); |
| 2711 | } |
| 2712 | |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2713 | private void handleSetAcceptUnvalidated(Network network, boolean accept, boolean always) { |
| 2714 | if (DBG) log("handleSetAcceptUnvalidated network=" + network + |
| 2715 | " accept=" + accept + " always=" + always); |
| 2716 | |
| 2717 | NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 2718 | if (nai == null) { |
| 2719 | // Nothing to do. |
| 2720 | return; |
| 2721 | } |
| 2722 | |
| 2723 | if (nai.everValidated) { |
Lorenzo Colitti | f6673d0 | 2015-05-21 16:17:05 +0900 | [diff] [blame] | 2724 | // The network validated while the dialog box was up. Take no action. |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2725 | return; |
| 2726 | } |
| 2727 | |
| 2728 | if (!nai.networkMisc.explicitlySelected) { |
| 2729 | Slog.wtf(TAG, "BUG: setAcceptUnvalidated non non-explicitly selected network"); |
| 2730 | } |
| 2731 | |
| 2732 | if (accept != nai.networkMisc.acceptUnvalidated) { |
| 2733 | int oldScore = nai.getCurrentScore(); |
| 2734 | nai.networkMisc.acceptUnvalidated = accept; |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 2735 | rematchAllNetworksAndRequests(nai, oldScore); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2736 | sendUpdatedScoreToFactories(nai); |
| 2737 | } |
| 2738 | |
| 2739 | if (always) { |
| 2740 | nai.asyncChannel.sendMessage( |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 2741 | NetworkAgent.CMD_SAVE_ACCEPT_UNVALIDATED, encodeBool(accept)); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2742 | } |
| 2743 | |
Lorenzo Colitti | f6673d0 | 2015-05-21 16:17:05 +0900 | [diff] [blame] | 2744 | if (!accept) { |
Paul Jensen | f95d220 | 2015-07-13 15:19:51 -0400 | [diff] [blame] | 2745 | // Tell the NetworkAgent to not automatically reconnect to the network. |
| 2746 | nai.asyncChannel.sendMessage(NetworkAgent.CMD_PREVENT_AUTOMATIC_RECONNECT); |
| 2747 | // Teardown the nework. |
| 2748 | teardownUnneededNetwork(nai); |
Lorenzo Colitti | f6673d0 | 2015-05-21 16:17:05 +0900 | [diff] [blame] | 2749 | } |
| 2750 | |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2751 | } |
| 2752 | |
Lorenzo Colitti | 165c51c | 2016-09-19 01:00:19 +0900 | [diff] [blame] | 2753 | private void handleSetAvoidUnvalidated(Network network) { |
| 2754 | NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 2755 | if (nai == null || nai.lastValidated) { |
| 2756 | // Nothing to do. The network either disconnected or revalidated. |
| 2757 | return; |
| 2758 | } |
| 2759 | if (!nai.avoidUnvalidated) { |
| 2760 | int oldScore = nai.getCurrentScore(); |
| 2761 | nai.avoidUnvalidated = true; |
| 2762 | rematchAllNetworksAndRequests(nai, oldScore); |
| 2763 | sendUpdatedScoreToFactories(nai); |
| 2764 | } |
| 2765 | } |
| 2766 | |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2767 | private void scheduleUnvalidatedPrompt(NetworkAgentInfo nai) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 2768 | if (VDBG) log("scheduleUnvalidatedPrompt " + nai.network); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2769 | mHandler.sendMessageDelayed( |
| 2770 | mHandler.obtainMessage(EVENT_PROMPT_UNVALIDATED, nai.network), |
| 2771 | PROMPT_UNVALIDATED_DELAY_MS); |
| 2772 | } |
| 2773 | |
Lorenzo Colitti | 2965d33 | 2017-04-27 14:30:21 +0900 | [diff] [blame] | 2774 | @Override |
| 2775 | public void startCaptivePortalApp(Network network) { |
| 2776 | enforceConnectivityInternalPermission(); |
| 2777 | mHandler.post(() -> { |
| 2778 | NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 2779 | if (nai == null) return; |
| 2780 | if (!nai.networkCapabilities.hasCapability(NET_CAPABILITY_CAPTIVE_PORTAL)) return; |
| 2781 | nai.networkMonitor.sendMessage(NetworkMonitor.CMD_LAUNCH_CAPTIVE_PORTAL_APP); |
| 2782 | }); |
| 2783 | } |
| 2784 | |
Hugo Benichi | c8e9e12 | 2016-09-14 23:23:08 +0000 | [diff] [blame] | 2785 | public boolean avoidBadWifi() { |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 2786 | return mMultinetworkPolicyTracker.getAvoidBadWifi(); |
Lorenzo Colitti | 2618c1b | 2016-09-16 23:43:38 +0900 | [diff] [blame] | 2787 | } |
| 2788 | |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 2789 | private void rematchForAvoidBadWifiUpdate() { |
| 2790 | rematchAllNetworksAndRequests(null, 0); |
| 2791 | for (NetworkAgentInfo nai: mNetworkAgentInfos.values()) { |
| 2792 | if (nai.networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) { |
| 2793 | sendUpdatedScoreToFactories(nai); |
| 2794 | } |
| 2795 | } |
Lorenzo Colitti | 165c51c | 2016-09-19 01:00:19 +0900 | [diff] [blame] | 2796 | } |
| 2797 | |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 2798 | // TODO: Evaluate whether this is of interest to other consumers of |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 2799 | // MultinetworkPolicyTracker and worth moving out of here. |
Lorenzo Colitti | 29bd384 | 2016-09-20 16:03:27 +0900 | [diff] [blame] | 2800 | private void dumpAvoidBadWifiSettings(IndentingPrintWriter pw) { |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 2801 | final boolean configRestrict = mMultinetworkPolicyTracker.configRestrictsAvoidBadWifi(); |
Lorenzo Colitti | 29bd384 | 2016-09-20 16:03:27 +0900 | [diff] [blame] | 2802 | if (!configRestrict) { |
| 2803 | pw.println("Bad Wi-Fi avoidance: unrestricted"); |
| 2804 | return; |
| 2805 | } |
| 2806 | |
| 2807 | pw.println("Bad Wi-Fi avoidance: " + avoidBadWifi()); |
| 2808 | pw.increaseIndent(); |
| 2809 | pw.println("Config restrict: " + configRestrict); |
| 2810 | |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 2811 | final String value = mMultinetworkPolicyTracker.getAvoidBadWifiSetting(); |
Lorenzo Colitti | 29bd384 | 2016-09-20 16:03:27 +0900 | [diff] [blame] | 2812 | String description; |
| 2813 | // Can't use a switch statement because strings are legal case labels, but null is not. |
| 2814 | if ("0".equals(value)) { |
| 2815 | description = "get stuck"; |
| 2816 | } else if (value == null) { |
| 2817 | description = "prompt"; |
| 2818 | } else if ("1".equals(value)) { |
| 2819 | description = "avoid"; |
| 2820 | } else { |
| 2821 | description = value + " (?)"; |
| 2822 | } |
| 2823 | pw.println("User setting: " + description); |
| 2824 | pw.println("Network overrides:"); |
| 2825 | pw.increaseIndent(); |
| 2826 | for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) { |
| 2827 | if (nai.avoidUnvalidated) { |
| 2828 | pw.println(nai.name()); |
| 2829 | } |
| 2830 | } |
| 2831 | pw.decreaseIndent(); |
| 2832 | pw.decreaseIndent(); |
| 2833 | } |
| 2834 | |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 2835 | private void showValidationNotification(NetworkAgentInfo nai, NotificationType type) { |
| 2836 | final String action; |
| 2837 | switch (type) { |
| 2838 | case NO_INTERNET: |
| 2839 | action = ConnectivityManager.ACTION_PROMPT_UNVALIDATED; |
| 2840 | break; |
| 2841 | case LOST_INTERNET: |
| 2842 | action = ConnectivityManager.ACTION_PROMPT_LOST_VALIDATION; |
| 2843 | break; |
| 2844 | default: |
| 2845 | Slog.wtf(TAG, "Unknown notification type " + type); |
| 2846 | return; |
| 2847 | } |
| 2848 | |
| 2849 | Intent intent = new Intent(action); |
| 2850 | intent.setData(Uri.fromParts("netId", Integer.toString(nai.network.netId), null)); |
| 2851 | intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| 2852 | intent.setClassName("com.android.settings", |
| 2853 | "com.android.settings.wifi.WifiNoInternetDialog"); |
| 2854 | |
| 2855 | PendingIntent pendingIntent = PendingIntent.getActivityAsUser( |
| 2856 | mContext, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT, null, UserHandle.CURRENT); |
| 2857 | mNotifier.showNotification(nai.network.netId, type, nai, null, pendingIntent, true); |
| 2858 | } |
| 2859 | |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2860 | private void handlePromptUnvalidated(Network network) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 2861 | if (VDBG) log("handlePromptUnvalidated " + network); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2862 | NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 2863 | |
| 2864 | // Only prompt if the network is unvalidated and was explicitly selected by the user, and if |
| 2865 | // we haven't already been told to switch to it regardless of whether it validated or not. |
Lorenzo Colitti | d49159f | 2015-05-14 23:15:10 +0900 | [diff] [blame] | 2866 | // Also don't prompt on captive portals because we're already prompting the user to sign in. |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 2867 | if (nai == null || nai.everValidated || nai.everCaptivePortalDetected || |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2868 | !nai.networkMisc.explicitlySelected || nai.networkMisc.acceptUnvalidated) { |
| 2869 | return; |
| 2870 | } |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 2871 | showValidationNotification(nai, NotificationType.NO_INTERNET); |
| 2872 | } |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2873 | |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 2874 | private void handleNetworkUnvalidated(NetworkAgentInfo nai) { |
| 2875 | NetworkCapabilities nc = nai.networkCapabilities; |
| 2876 | if (DBG) log("handleNetworkUnvalidated " + nai.name() + " cap=" + nc); |
Lorenzo Colitti | f6673d0 | 2015-05-21 16:17:05 +0900 | [diff] [blame] | 2877 | |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 2878 | if (nc.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) && |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 2879 | mMultinetworkPolicyTracker.shouldNotifyWifiUnvalidated()) { |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 2880 | showValidationNotification(nai, NotificationType.LOST_INTERNET); |
| 2881 | } |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2882 | } |
| 2883 | |
Lorenzo Colitti | 46aa9c0 | 2017-01-24 18:08:41 +0900 | [diff] [blame] | 2884 | @Override |
| 2885 | public int getMultipathPreference(Network network) { |
| 2886 | enforceAccessPermission(); |
| 2887 | |
| 2888 | NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 2889 | if (nai != null && !nai.networkInfo.isMetered()) { |
| 2890 | return ConnectivityManager.MULTIPATH_PREFERENCE_UNMETERED; |
| 2891 | } |
| 2892 | |
| 2893 | return mMultinetworkPolicyTracker.getMeteredMultipathPreference(); |
| 2894 | } |
| 2895 | |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2896 | private class InternalHandler extends Handler { |
| 2897 | public InternalHandler(Looper looper) { |
| 2898 | super(looper); |
| 2899 | } |
| 2900 | |
| 2901 | @Override |
| 2902 | public void handleMessage(Message msg) { |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2903 | switch (msg.what) { |
Robert Greenwalt | 2771181 | 2014-06-25 16:45:57 -0700 | [diff] [blame] | 2904 | case EVENT_EXPIRE_NET_TRANSITION_WAKELOCK: |
Sreeram Ramachandran | b1486ae | 2013-08-27 11:41:19 -0700 | [diff] [blame] | 2905 | case EVENT_CLEAR_NET_TRANSITION_WAKELOCK: { |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 2906 | handleReleaseNetworkTransitionWakelock(msg.what); |
Robert Greenwalt | 057d5e9 | 2010-09-09 14:05:10 -0700 | [diff] [blame] | 2907 | break; |
Sreeram Ramachandran | b1486ae | 2013-08-27 11:41:19 -0700 | [diff] [blame] | 2908 | } |
Sreeram Ramachandran | b1486ae | 2013-08-27 11:41:19 -0700 | [diff] [blame] | 2909 | case EVENT_APPLY_GLOBAL_HTTP_PROXY: { |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 2910 | handleDeprecatedGlobalHttpProxy(); |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 2911 | break; |
| 2912 | } |
Jason Monk | decd295 | 2013-10-10 14:02:51 -0400 | [diff] [blame] | 2913 | case EVENT_PROXY_HAS_CHANGED: { |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 2914 | handleApplyDefaultProxy((ProxyInfo)msg.obj); |
Jason Monk | decd295 | 2013-10-10 14:02:51 -0400 | [diff] [blame] | 2915 | break; |
| 2916 | } |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 2917 | case EVENT_REGISTER_NETWORK_FACTORY: { |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 2918 | handleRegisterNetworkFactory((NetworkFactoryInfo)msg.obj); |
| 2919 | break; |
| 2920 | } |
| 2921 | case EVENT_UNREGISTER_NETWORK_FACTORY: { |
| 2922 | handleUnregisterNetworkFactory((Messenger)msg.obj); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 2923 | break; |
| 2924 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 2925 | case EVENT_REGISTER_NETWORK_AGENT: { |
| 2926 | handleRegisterNetworkAgent((NetworkAgentInfo)msg.obj); |
| 2927 | break; |
| 2928 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2929 | case EVENT_REGISTER_NETWORK_REQUEST: |
| 2930 | case EVENT_REGISTER_NETWORK_LISTENER: { |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 2931 | handleRegisterNetworkRequest((NetworkRequestInfo) msg.obj); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2932 | break; |
| 2933 | } |
Paul Jensen | 694f2b8 | 2015-06-17 14:15:39 -0400 | [diff] [blame] | 2934 | case EVENT_REGISTER_NETWORK_REQUEST_WITH_INTENT: |
| 2935 | case EVENT_REGISTER_NETWORK_LISTENER_WITH_INTENT: { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 2936 | handleRegisterNetworkRequestWithIntent(msg); |
| 2937 | break; |
| 2938 | } |
Erik Kline | 3841a48 | 2015-11-25 12:49:38 +0900 | [diff] [blame] | 2939 | case EVENT_TIMEOUT_NETWORK_REQUEST: { |
| 2940 | NetworkRequestInfo nri = (NetworkRequestInfo) msg.obj; |
| 2941 | handleTimedOutNetworkRequest(nri); |
| 2942 | break; |
| 2943 | } |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 2944 | case EVENT_RELEASE_NETWORK_REQUEST_WITH_INTENT: { |
| 2945 | handleReleaseNetworkRequestWithIntent((PendingIntent) msg.obj, msg.arg1); |
| 2946 | break; |
| 2947 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2948 | case EVENT_RELEASE_NETWORK_REQUEST: { |
Paul Jensen | 7ecb42f | 2014-05-16 14:31:12 -0400 | [diff] [blame] | 2949 | handleReleaseNetworkRequest((NetworkRequest) msg.obj, msg.arg1); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 2950 | break; |
| 2951 | } |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2952 | case EVENT_SET_ACCEPT_UNVALIDATED: { |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 2953 | Network network = (Network) msg.obj; |
| 2954 | handleSetAcceptUnvalidated(network, toBool(msg.arg1), toBool(msg.arg2)); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2955 | break; |
| 2956 | } |
Lorenzo Colitti | 165c51c | 2016-09-19 01:00:19 +0900 | [diff] [blame] | 2957 | case EVENT_SET_AVOID_UNVALIDATED: { |
| 2958 | handleSetAvoidUnvalidated((Network) msg.obj); |
| 2959 | break; |
| 2960 | } |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 2961 | case EVENT_PROMPT_UNVALIDATED: { |
| 2962 | handlePromptUnvalidated((Network) msg.obj); |
| 2963 | break; |
| 2964 | } |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 2965 | case EVENT_CONFIGURE_MOBILE_DATA_ALWAYS_ON: { |
| 2966 | handleMobileDataAlwaysOn(); |
| 2967 | break; |
| 2968 | } |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 2969 | // Sent by KeepaliveTracker to process an app request on the state machine thread. |
| 2970 | case NetworkAgent.CMD_START_PACKET_KEEPALIVE: { |
| 2971 | mKeepaliveTracker.handleStartKeepalive(msg); |
| 2972 | break; |
| 2973 | } |
| 2974 | // Sent by KeepaliveTracker to process an app request on the state machine thread. |
| 2975 | case NetworkAgent.CMD_STOP_PACKET_KEEPALIVE: { |
| 2976 | NetworkAgentInfo nai = getNetworkAgentInfoForNetwork((Network) msg.obj); |
| 2977 | int slot = msg.arg1; |
| 2978 | int reason = msg.arg2; |
| 2979 | mKeepaliveTracker.handleStopKeepalive(nai, slot, reason); |
| 2980 | break; |
| 2981 | } |
Robert Greenwalt | fb68f8f | 2014-08-13 13:43:32 -0700 | [diff] [blame] | 2982 | case EVENT_SYSTEM_READY: { |
| 2983 | for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) { |
| 2984 | nai.networkMonitor.systemReady = true; |
| 2985 | } |
| 2986 | break; |
| 2987 | } |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 2988 | case EVENT_REVALIDATE_NETWORK: { |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 2989 | handleReportNetworkConnectivity((Network) msg.obj, msg.arg1, toBool(msg.arg2)); |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 2990 | break; |
| 2991 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2992 | } |
| 2993 | } |
| 2994 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2995 | |
| 2996 | // javadoc from interface |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 2997 | @Override |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 2998 | public int tether(String iface, String callerPkg) { |
| 2999 | ConnectivityManager.enforceTetherChangePermission(mContext, callerPkg); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 3000 | if (isTetheringSupported()) { |
Felipe Leme | 70c8b9b | 2016-04-25 14:41:31 -0700 | [diff] [blame] | 3001 | final int status = mTethering.tether(iface); |
Felipe Leme | 70c8b9b | 2016-04-25 14:41:31 -0700 | [diff] [blame] | 3002 | return status; |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 3003 | } else { |
| 3004 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 3005 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3006 | } |
| 3007 | |
| 3008 | // javadoc from interface |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3009 | @Override |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 3010 | public int untether(String iface, String callerPkg) { |
| 3011 | ConnectivityManager.enforceTetherChangePermission(mContext, callerPkg); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 3012 | |
| 3013 | if (isTetheringSupported()) { |
Felipe Leme | 70c8b9b | 2016-04-25 14:41:31 -0700 | [diff] [blame] | 3014 | final int status = mTethering.untether(iface); |
Felipe Leme | 70c8b9b | 2016-04-25 14:41:31 -0700 | [diff] [blame] | 3015 | return status; |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 3016 | } else { |
| 3017 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 3018 | } |
| 3019 | } |
| 3020 | |
| 3021 | // javadoc from interface |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3022 | @Override |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 3023 | public int getLastTetherError(String iface) { |
| 3024 | enforceTetherAccessPermission(); |
| 3025 | |
| 3026 | if (isTetheringSupported()) { |
| 3027 | return mTethering.getLastTetherError(iface); |
| 3028 | } else { |
| 3029 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 3030 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3031 | } |
| 3032 | |
| 3033 | // TODO - proper iface API for selection by property, inspection, etc |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3034 | @Override |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3035 | public String[] getTetherableUsbRegexs() { |
| 3036 | enforceTetherAccessPermission(); |
| 3037 | if (isTetheringSupported()) { |
| 3038 | return mTethering.getTetherableUsbRegexs(); |
| 3039 | } else { |
| 3040 | return new String[0]; |
| 3041 | } |
| 3042 | } |
| 3043 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3044 | @Override |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3045 | public String[] getTetherableWifiRegexs() { |
| 3046 | enforceTetherAccessPermission(); |
| 3047 | if (isTetheringSupported()) { |
| 3048 | return mTethering.getTetherableWifiRegexs(); |
| 3049 | } else { |
| 3050 | return new String[0]; |
| 3051 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3052 | } |
| 3053 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3054 | @Override |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 3055 | public String[] getTetherableBluetoothRegexs() { |
| 3056 | enforceTetherAccessPermission(); |
| 3057 | if (isTetheringSupported()) { |
| 3058 | return mTethering.getTetherableBluetoothRegexs(); |
| 3059 | } else { |
| 3060 | return new String[0]; |
| 3061 | } |
| 3062 | } |
| 3063 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3064 | @Override |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 3065 | public int setUsbTethering(boolean enable, String callerPkg) { |
| 3066 | ConnectivityManager.enforceTetherChangePermission(mContext, callerPkg); |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 3067 | if (isTetheringSupported()) { |
| 3068 | return mTethering.setUsbTethering(enable); |
| 3069 | } else { |
| 3070 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 3071 | } |
| 3072 | } |
| 3073 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3074 | // TODO - move iface listing, queries, etc to new module |
| 3075 | // javadoc from interface |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3076 | @Override |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3077 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3078 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3079 | return mTethering.getTetherableIfaces(); |
| 3080 | } |
| 3081 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3082 | @Override |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3083 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3084 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 3085 | return mTethering.getTetheredIfaces(); |
| 3086 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3087 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3088 | @Override |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 3089 | public String[] getTetheringErroredIfaces() { |
| 3090 | enforceTetherAccessPermission(); |
| 3091 | return mTethering.getErroredIfaces(); |
| 3092 | } |
| 3093 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3094 | @Override |
Robert Greenwalt | 9c7e2c2 | 2014-06-23 14:53:42 -0700 | [diff] [blame] | 3095 | public String[] getTetheredDhcpRanges() { |
| 3096 | enforceConnectivityInternalPermission(); |
| 3097 | return mTethering.getTetheredDhcpRanges(); |
| 3098 | } |
| 3099 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3100 | // if ro.tether.denied = true we default to no tethering |
| 3101 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 3102 | // had previously been turned off. |
Jeremy Klein | aaa20ad | 2016-01-29 12:06:33 -0800 | [diff] [blame] | 3103 | @Override |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3104 | public boolean isTetheringSupported() { |
| 3105 | enforceTetherAccessPermission(); |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 3106 | int defaultVal = encodeBool(!mSystemProperties.get("ro.tether.denied").equals("true")); |
| 3107 | boolean tetherSupported = toBool(Settings.Global.getInt(mContext.getContentResolver(), |
| 3108 | Settings.Global.TETHER_SUPPORTED, defaultVal)); |
| 3109 | boolean tetherEnabledInSettings = tetherSupported |
Julia Reynolds | fc6b2a0 | 2014-06-24 10:56:55 -0400 | [diff] [blame] | 3110 | && !mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING); |
Jeremy Klein | 246a1fe | 2017-03-17 14:30:02 -0700 | [diff] [blame] | 3111 | |
| 3112 | // Elevate to system UID to avoid caller requiring MANAGE_USERS permission. |
| 3113 | boolean adminUser = false; |
| 3114 | final long token = Binder.clearCallingIdentity(); |
| 3115 | try { |
| 3116 | adminUser = mUserManager.isAdminUser(); |
| 3117 | } finally { |
| 3118 | Binder.restoreCallingIdentity(token); |
| 3119 | } |
| 3120 | |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 3121 | return tetherEnabledInSettings && adminUser && mTethering.hasTetherableConfiguration(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 3122 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 3123 | |
Jeremy Klein | aaa20ad | 2016-01-29 12:06:33 -0800 | [diff] [blame] | 3124 | @Override |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 3125 | public void startTethering(int type, ResultReceiver receiver, boolean showProvisioningUi, |
| 3126 | String callerPkg) { |
| 3127 | ConnectivityManager.enforceTetherChangePermission(mContext, callerPkg); |
Jeremy Klein | 36c7aa0 | 2016-01-22 14:11:45 -0800 | [diff] [blame] | 3128 | if (!isTetheringSupported()) { |
| 3129 | receiver.send(ConnectivityManager.TETHER_ERROR_UNSUPPORTED, null); |
| 3130 | return; |
| 3131 | } |
| 3132 | mTethering.startTethering(type, receiver, showProvisioningUi); |
| 3133 | } |
| 3134 | |
Jeremy Klein | aaa20ad | 2016-01-29 12:06:33 -0800 | [diff] [blame] | 3135 | @Override |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 3136 | public void stopTethering(int type, String callerPkg) { |
| 3137 | ConnectivityManager.enforceTetherChangePermission(mContext, callerPkg); |
Jeremy Klein | 36c7aa0 | 2016-01-22 14:11:45 -0800 | [diff] [blame] | 3138 | mTethering.stopTethering(type); |
| 3139 | } |
| 3140 | |
Robert Greenwalt | 17c3e0f | 2014-07-02 09:59:16 -0700 | [diff] [blame] | 3141 | // Called when we lose the default network and have no replacement yet. |
| 3142 | // This will automatically be cleared after X seconds or a new default network |
| 3143 | // becomes CONNECTED, whichever happens first. The timer is started by the |
| 3144 | // first caller and not restarted by subsequent callers. |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3145 | private void ensureNetworkTransitionWakelock(String forWhom) { |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 3146 | synchronized (this) { |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3147 | if (mNetTransitionWakeLock.isHeld()) { |
| 3148 | return; |
| 3149 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 3150 | mNetTransitionWakeLock.acquire(); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 3151 | } |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3152 | mWakelockLogs.log("ACQUIRE for " + forWhom); |
| 3153 | Message msg = mHandler.obtainMessage(EVENT_EXPIRE_NET_TRANSITION_WAKELOCK); |
| 3154 | mHandler.sendMessageDelayed(msg, mNetTransitionWakeLockTimeout); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 3155 | } |
Robert Greenwalt | ca4306c | 2010-09-09 13:15:32 -0700 | [diff] [blame] | 3156 | |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3157 | // Called when we gain a new default network to release the network transition wakelock in a |
| 3158 | // second, to allow a grace period for apps to reconnect over the new network. Pending expiry |
| 3159 | // message is cancelled. |
| 3160 | private void scheduleReleaseNetworkTransitionWakelock() { |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 3161 | synchronized (this) { |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3162 | if (!mNetTransitionWakeLock.isHeld()) { |
| 3163 | return; // expiry message released the lock first. |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 3164 | } |
| 3165 | } |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3166 | // Cancel self timeout on wakelock hold. |
| 3167 | mHandler.removeMessages(EVENT_EXPIRE_NET_TRANSITION_WAKELOCK); |
| 3168 | Message msg = mHandler.obtainMessage(EVENT_CLEAR_NET_TRANSITION_WAKELOCK); |
| 3169 | mHandler.sendMessageDelayed(msg, 1000); |
| 3170 | } |
| 3171 | |
| 3172 | // Called when either message of ensureNetworkTransitionWakelock or |
| 3173 | // scheduleReleaseNetworkTransitionWakelock is processed. |
| 3174 | private void handleReleaseNetworkTransitionWakelock(int eventId) { |
| 3175 | String event = eventName(eventId); |
| 3176 | synchronized (this) { |
| 3177 | if (!mNetTransitionWakeLock.isHeld()) { |
| 3178 | mWakelockLogs.log(String.format("RELEASE: already released (%s)", event)); |
| 3179 | Slog.w(TAG, "expected Net Transition WakeLock to be held"); |
| 3180 | return; |
| 3181 | } |
| 3182 | mNetTransitionWakeLock.release(); |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 3183 | } |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 3184 | mWakelockLogs.log(String.format("RELEASE (%s)", event)); |
Hugo Benichi | af52d7a | 2017-03-30 10:46:05 +0900 | [diff] [blame] | 3185 | } |
| 3186 | |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 3187 | // 100 percent is full good, 0 is full bad. |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3188 | @Override |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 3189 | public void reportInetCondition(int networkType, int percentage) { |
Robert Greenwalt | bf4eed7 | 2014-08-06 21:32:18 -0700 | [diff] [blame] | 3190 | NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType); |
Lorenzo Colitti | 0831f66 | 2015-02-11 07:39:20 +0900 | [diff] [blame] | 3191 | if (nai == null) return; |
Paul Jensen | bfd17b7 | 2015-04-07 12:43:13 -0400 | [diff] [blame] | 3192 | reportNetworkConnectivity(nai.network, percentage > 50); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3193 | } |
| 3194 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3195 | @Override |
Paul Jensen | bfd17b7 | 2015-04-07 12:43:13 -0400 | [diff] [blame] | 3196 | public void reportNetworkConnectivity(Network network, boolean hasConnectivity) { |
Paul Jensen | 7ccd3df | 2014-08-29 09:54:01 -0400 | [diff] [blame] | 3197 | enforceAccessPermission(); |
| 3198 | enforceInternetPermission(); |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 3199 | final int uid = Binder.getCallingUid(); |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 3200 | final int connectivityInfo = encodeBool(hasConnectivity); |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 3201 | mHandler.sendMessage( |
| 3202 | mHandler.obtainMessage(EVENT_REVALIDATE_NETWORK, uid, connectivityInfo, network)); |
| 3203 | } |
Paul Jensen | 7ccd3df | 2014-08-29 09:54:01 -0400 | [diff] [blame] | 3204 | |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 3205 | private void handleReportNetworkConnectivity( |
| 3206 | Network network, int uid, boolean hasConnectivity) { |
Hugo Benichi | 2955172 | 2017-04-06 16:01:44 +0900 | [diff] [blame] | 3207 | final NetworkAgentInfo nai; |
Paul Jensen | bfd17b7 | 2015-04-07 12:43:13 -0400 | [diff] [blame] | 3208 | if (network == null) { |
| 3209 | nai = getDefaultNetwork(); |
| 3210 | } else { |
| 3211 | nai = getNetworkAgentInfoForNetwork(network); |
| 3212 | } |
Paul Jensen | 4e8050e | 2015-06-25 10:28:34 -0400 | [diff] [blame] | 3213 | if (nai == null || nai.networkInfo.getState() == NetworkInfo.State.DISCONNECTING || |
| 3214 | nai.networkInfo.getState() == NetworkInfo.State.DISCONNECTED) { |
| 3215 | return; |
| 3216 | } |
Paul Jensen | bfd17b7 | 2015-04-07 12:43:13 -0400 | [diff] [blame] | 3217 | // Revalidate if the app report does not match our current validated state. |
Hugo Benichi | 2955172 | 2017-04-06 16:01:44 +0900 | [diff] [blame] | 3218 | if (hasConnectivity == nai.lastValidated) { |
| 3219 | return; |
| 3220 | } |
Paul Jensen | bfd17b7 | 2015-04-07 12:43:13 -0400 | [diff] [blame] | 3221 | if (DBG) { |
Hugo Benichi | 1c51d7a | 2017-04-06 17:22:18 +0900 | [diff] [blame] | 3222 | int netid = nai.network.netId; |
| 3223 | log("reportNetworkConnectivity(" + netid + ", " + hasConnectivity + ") by " + uid); |
Paul Jensen | bfd17b7 | 2015-04-07 12:43:13 -0400 | [diff] [blame] | 3224 | } |
Hugo Benichi | 2955172 | 2017-04-06 16:01:44 +0900 | [diff] [blame] | 3225 | // Validating a network that has not yet connected could result in a call to |
| 3226 | // rematchNetworkAndRequests() which is not meant to work on such networks. |
| 3227 | if (!nai.everConnected) { |
| 3228 | return; |
Paul Jensen | 7ccd3df | 2014-08-29 09:54:01 -0400 | [diff] [blame] | 3229 | } |
Hugo Benichi | 2955172 | 2017-04-06 16:01:44 +0900 | [diff] [blame] | 3230 | LinkProperties lp = getLinkProperties(nai); |
| 3231 | if (isNetworkWithLinkPropertiesBlocked(lp, uid, false)) { |
| 3232 | return; |
| 3233 | } |
| 3234 | nai.networkMonitor.sendMessage(NetworkMonitor.CMD_FORCE_REEVALUATION, uid); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 3235 | } |
| 3236 | |
Paul Jensen | cee9b51 | 2015-05-06 07:32:40 -0400 | [diff] [blame] | 3237 | private ProxyInfo getDefaultProxy() { |
Robert Greenwalt | e436e4f | 2013-02-22 14:57:00 -0800 | [diff] [blame] | 3238 | // this information is already available as a world read/writable jvm property |
| 3239 | // so this API change wouldn't have a benifit. It also breaks the passing |
| 3240 | // of proxy info to all the JVMs. |
| 3241 | // enforceAccessPermission(); |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3242 | synchronized (mProxyLock) { |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3243 | ProxyInfo ret = mGlobalProxy; |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3244 | if ((ret == null) && !mDefaultProxyDisabled) ret = mDefaultProxy; |
| 3245 | return ret; |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3246 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3247 | } |
| 3248 | |
Lorenzo Colitti | 1866028 | 2016-07-04 12:55:44 +0900 | [diff] [blame] | 3249 | @Override |
Paul Jensen | cee9b51 | 2015-05-06 07:32:40 -0400 | [diff] [blame] | 3250 | public ProxyInfo getProxyForNetwork(Network network) { |
| 3251 | if (network == null) return getDefaultProxy(); |
| 3252 | final ProxyInfo globalProxy = getGlobalProxy(); |
| 3253 | if (globalProxy != null) return globalProxy; |
| 3254 | if (!NetworkUtils.queryUserAccess(Binder.getCallingUid(), network.netId)) return null; |
| 3255 | // Don't call getLinkProperties() as it requires ACCESS_NETWORK_STATE permission, which |
| 3256 | // caller may not have. |
| 3257 | final NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network); |
| 3258 | if (nai == null) return null; |
| 3259 | synchronized (nai) { |
| 3260 | final ProxyInfo proxyInfo = nai.linkProperties.getHttpProxy(); |
| 3261 | if (proxyInfo == null) return null; |
| 3262 | return new ProxyInfo(proxyInfo); |
| 3263 | } |
| 3264 | } |
| 3265 | |
Paul Jensen | e0bef71 | 2014-12-10 15:12:18 -0500 | [diff] [blame] | 3266 | // Convert empty ProxyInfo's to null as null-checks are used to determine if proxies are present |
| 3267 | // (e.g. if mGlobalProxy==null fall back to network-specific proxy, if network-specific |
| 3268 | // proxy is null then there is no proxy in place). |
| 3269 | private ProxyInfo canonicalizeProxyInfo(ProxyInfo proxy) { |
| 3270 | if (proxy != null && TextUtils.isEmpty(proxy.getHost()) |
| 3271 | && (proxy.getPacFileUrl() == null || Uri.EMPTY.equals(proxy.getPacFileUrl()))) { |
| 3272 | proxy = null; |
| 3273 | } |
| 3274 | return proxy; |
| 3275 | } |
| 3276 | |
| 3277 | // ProxyInfo equality function with a couple modifications over ProxyInfo.equals() to make it |
| 3278 | // better for determining if a new proxy broadcast is necessary: |
| 3279 | // 1. Canonicalize empty ProxyInfos to null so an empty proxy compares equal to null so as to |
| 3280 | // avoid unnecessary broadcasts. |
| 3281 | // 2. Make sure all parts of the ProxyInfo's compare true, including the host when a PAC URL |
| 3282 | // is in place. This is important so legacy PAC resolver (see com.android.proxyhandler) |
| 3283 | // changes aren't missed. The legacy PAC resolver pretends to be a simple HTTP proxy but |
| 3284 | // actually uses the PAC to resolve; this results in ProxyInfo's with PAC URL, host and port |
| 3285 | // all set. |
| 3286 | private boolean proxyInfoEqual(ProxyInfo a, ProxyInfo b) { |
| 3287 | a = canonicalizeProxyInfo(a); |
| 3288 | b = canonicalizeProxyInfo(b); |
| 3289 | // ProxyInfo.equals() doesn't check hosts when PAC URLs are present, but we need to check |
| 3290 | // hosts even when PAC URLs are present to account for the legacy PAC resolver. |
| 3291 | return Objects.equals(a, b) && (a == null || Objects.equals(a.getHost(), b.getHost())); |
| 3292 | } |
| 3293 | |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3294 | public void setGlobalProxy(ProxyInfo proxyProperties) { |
Robert Greenwalt | a9bebc2 | 2013-04-10 15:32:18 -0700 | [diff] [blame] | 3295 | enforceConnectivityInternalPermission(); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3296 | |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3297 | synchronized (mProxyLock) { |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3298 | if (proxyProperties == mGlobalProxy) return; |
| 3299 | if (proxyProperties != null && proxyProperties.equals(mGlobalProxy)) return; |
| 3300 | if (mGlobalProxy != null && mGlobalProxy.equals(proxyProperties)) return; |
| 3301 | |
| 3302 | String host = ""; |
| 3303 | int port = 0; |
| 3304 | String exclList = ""; |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3305 | String pacFileUrl = ""; |
| 3306 | if (proxyProperties != null && (!TextUtils.isEmpty(proxyProperties.getHost()) || |
Geoffrey Borggaard | 79adc95 | 2014-11-20 14:35:32 -0500 | [diff] [blame] | 3307 | !Uri.EMPTY.equals(proxyProperties.getPacFileUrl()))) { |
Raj Mamadgi | 92d02491 | 2013-11-11 13:52:58 -0800 | [diff] [blame] | 3308 | if (!proxyProperties.isValid()) { |
| 3309 | if (DBG) |
| 3310 | log("Invalid proxy properties, ignoring: " + proxyProperties.toString()); |
| 3311 | return; |
| 3312 | } |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3313 | mGlobalProxy = new ProxyInfo(proxyProperties); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3314 | host = mGlobalProxy.getHost(); |
| 3315 | port = mGlobalProxy.getPort(); |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3316 | exclList = mGlobalProxy.getExclusionListAsString(); |
Geoffrey Borggaard | 79adc95 | 2014-11-20 14:35:32 -0500 | [diff] [blame] | 3317 | if (!Uri.EMPTY.equals(proxyProperties.getPacFileUrl())) { |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3318 | pacFileUrl = proxyProperties.getPacFileUrl().toString(); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3319 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3320 | } else { |
| 3321 | mGlobalProxy = null; |
| 3322 | } |
| 3323 | ContentResolver res = mContext.getContentResolver(); |
Robert Greenwalt | a9bebc2 | 2013-04-10 15:32:18 -0700 | [diff] [blame] | 3324 | final long token = Binder.clearCallingIdentity(); |
| 3325 | try { |
| 3326 | Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, host); |
| 3327 | Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, port); |
| 3328 | Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, |
| 3329 | exclList); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3330 | Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_PAC, pacFileUrl); |
Robert Greenwalt | a9bebc2 | 2013-04-10 15:32:18 -0700 | [diff] [blame] | 3331 | } finally { |
| 3332 | Binder.restoreCallingIdentity(token); |
| 3333 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3334 | |
Jason Monk | cf0f97a | 2014-10-02 15:39:38 -0400 | [diff] [blame] | 3335 | if (mGlobalProxy == null) { |
| 3336 | proxyProperties = mDefaultProxy; |
| 3337 | } |
| 3338 | sendProxyBroadcast(proxyProperties); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3339 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3340 | } |
| 3341 | |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 3342 | private void loadGlobalProxy() { |
| 3343 | ContentResolver res = mContext.getContentResolver(); |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 3344 | String host = Settings.Global.getString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST); |
| 3345 | int port = Settings.Global.getInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, 0); |
| 3346 | String exclList = Settings.Global.getString(res, |
| 3347 | Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3348 | String pacFileUrl = Settings.Global.getString(res, Settings.Global.GLOBAL_HTTP_PROXY_PAC); |
| 3349 | if (!TextUtils.isEmpty(host) || !TextUtils.isEmpty(pacFileUrl)) { |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3350 | ProxyInfo proxyProperties; |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3351 | if (!TextUtils.isEmpty(pacFileUrl)) { |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3352 | proxyProperties = new ProxyInfo(pacFileUrl); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3353 | } else { |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3354 | proxyProperties = new ProxyInfo(host, port, exclList); |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3355 | } |
Raj Mamadgi | 92d02491 | 2013-11-11 13:52:58 -0800 | [diff] [blame] | 3356 | if (!proxyProperties.isValid()) { |
| 3357 | if (DBG) log("Invalid proxy properties, ignoring: " + proxyProperties.toString()); |
| 3358 | return; |
| 3359 | } |
| 3360 | |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3361 | synchronized (mProxyLock) { |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 3362 | mGlobalProxy = proxyProperties; |
| 3363 | } |
| 3364 | } |
| 3365 | } |
| 3366 | |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3367 | public ProxyInfo getGlobalProxy() { |
Robert Greenwalt | e436e4f | 2013-02-22 14:57:00 -0800 | [diff] [blame] | 3368 | // this information is already available as a world read/writable jvm property |
| 3369 | // so this API change wouldn't have a benifit. It also breaks the passing |
| 3370 | // of proxy info to all the JVMs. |
| 3371 | // enforceAccessPermission(); |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3372 | synchronized (mProxyLock) { |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3373 | return mGlobalProxy; |
| 3374 | } |
| 3375 | } |
| 3376 | |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3377 | private void handleApplyDefaultProxy(ProxyInfo proxy) { |
Jason Monk | 602b232 | 2013-07-03 17:04:33 -0400 | [diff] [blame] | 3378 | if (proxy != null && TextUtils.isEmpty(proxy.getHost()) |
Geoffrey Borggaard | 79adc95 | 2014-11-20 14:35:32 -0500 | [diff] [blame] | 3379 | && Uri.EMPTY.equals(proxy.getPacFileUrl())) { |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3380 | proxy = null; |
| 3381 | } |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3382 | synchronized (mProxyLock) { |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3383 | if (mDefaultProxy != null && mDefaultProxy.equals(proxy)) return; |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3384 | if (mDefaultProxy == proxy) return; // catches repeated nulls |
Robert Greenwalt | a8dae99 | 2013-11-18 09:43:59 -0800 | [diff] [blame] | 3385 | if (proxy != null && !proxy.isValid()) { |
Raj Mamadgi | 92d02491 | 2013-11-11 13:52:58 -0800 | [diff] [blame] | 3386 | if (DBG) log("Invalid proxy properties, ignoring: " + proxy.toString()); |
| 3387 | return; |
| 3388 | } |
Jason Monk | 56cf1ab | 2014-04-28 14:57:27 -0400 | [diff] [blame] | 3389 | |
| 3390 | // This call could be coming from the PacManager, containing the port of the local |
| 3391 | // proxy. If this new proxy matches the global proxy then copy this proxy to the |
| 3392 | // global (to get the correct local port), and send a broadcast. |
| 3393 | // TODO: Switch PacManager to have its own message to send back rather than |
| 3394 | // reusing EVENT_HAS_CHANGED_PROXY and this call to handleApplyDefaultProxy. |
Geoffrey Borggaard | 79adc95 | 2014-11-20 14:35:32 -0500 | [diff] [blame] | 3395 | if ((mGlobalProxy != null) && (proxy != null) |
| 3396 | && (!Uri.EMPTY.equals(proxy.getPacFileUrl())) |
Jason Monk | 56cf1ab | 2014-04-28 14:57:27 -0400 | [diff] [blame] | 3397 | && proxy.getPacFileUrl().equals(mGlobalProxy.getPacFileUrl())) { |
| 3398 | mGlobalProxy = proxy; |
| 3399 | sendProxyBroadcast(mGlobalProxy); |
| 3400 | return; |
| 3401 | } |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3402 | mDefaultProxy = proxy; |
| 3403 | |
Robert Greenwalt | 00e8d4c | 2013-04-05 17:14:19 -0700 | [diff] [blame] | 3404 | if (mGlobalProxy != null) return; |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3405 | if (!mDefaultProxyDisabled) { |
| 3406 | sendProxyBroadcast(proxy); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3407 | } |
| 3408 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3409 | } |
| 3410 | |
Paul Jensen | e0bef71 | 2014-12-10 15:12:18 -0500 | [diff] [blame] | 3411 | // If the proxy has changed from oldLp to newLp, resend proxy broadcast with default proxy. |
| 3412 | // This method gets called when any network changes proxy, but the broadcast only ever contains |
| 3413 | // the default proxy (even if it hasn't changed). |
| 3414 | // TODO: Deprecate the broadcast extras as they aren't necessarily applicable in a multi-network |
| 3415 | // world where an app might be bound to a non-default network. |
| 3416 | private void updateProxy(LinkProperties newLp, LinkProperties oldLp, NetworkAgentInfo nai) { |
| 3417 | ProxyInfo newProxyInfo = newLp == null ? null : newLp.getHttpProxy(); |
| 3418 | ProxyInfo oldProxyInfo = oldLp == null ? null : oldLp.getHttpProxy(); |
| 3419 | |
| 3420 | if (!proxyInfoEqual(newProxyInfo, oldProxyInfo)) { |
| 3421 | sendProxyBroadcast(getDefaultProxy()); |
| 3422 | } |
| 3423 | } |
| 3424 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3425 | private void handleDeprecatedGlobalHttpProxy() { |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 3426 | String proxy = Settings.Global.getString(mContext.getContentResolver(), |
| 3427 | Settings.Global.HTTP_PROXY); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3428 | if (!TextUtils.isEmpty(proxy)) { |
| 3429 | String data[] = proxy.split(":"); |
Andreas Huber | 7b8e1ea | 2013-05-28 15:17:37 -0700 | [diff] [blame] | 3430 | if (data.length == 0) { |
| 3431 | return; |
| 3432 | } |
| 3433 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3434 | String proxyHost = data[0]; |
| 3435 | int proxyPort = 8080; |
| 3436 | if (data.length > 1) { |
| 3437 | try { |
| 3438 | proxyPort = Integer.parseInt(data[1]); |
| 3439 | } catch (NumberFormatException e) { |
| 3440 | return; |
| 3441 | } |
| 3442 | } |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3443 | ProxyInfo p = new ProxyInfo(data[0], proxyPort, ""); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3444 | setGlobalProxy(p); |
| 3445 | } |
| 3446 | } |
| 3447 | |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 3448 | private void sendProxyBroadcast(ProxyInfo proxy) { |
| 3449 | if (proxy == null) proxy = new ProxyInfo("", 0, ""); |
Jason Monk | 6f8a68f | 2013-08-23 19:21:25 -0400 | [diff] [blame] | 3450 | if (mPacManager.setCurrentProxyScriptUrl(proxy)) return; |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 3451 | if (DBG) log("sending Proxy Broadcast for " + proxy); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3452 | Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION); |
Stan Chesnutt | b35d67a | 2011-01-06 11:00:19 -0800 | [diff] [blame] | 3453 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING | |
| 3454 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3455 | intent.putExtra(Proxy.EXTRA_PROXY_INFO, proxy); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 3456 | final long ident = Binder.clearCallingIdentity(); |
| 3457 | try { |
| 3458 | mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| 3459 | } finally { |
| 3460 | Binder.restoreCallingIdentity(ident); |
| 3461 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3462 | } |
| 3463 | |
| 3464 | private static class SettingsObserver extends ContentObserver { |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 3465 | final private HashMap<Uri, Integer> mUriEventMap; |
| 3466 | final private Context mContext; |
| 3467 | final private Handler mHandler; |
| 3468 | |
| 3469 | SettingsObserver(Context context, Handler handler) { |
| 3470 | super(null); |
| 3471 | mUriEventMap = new HashMap<Uri, Integer>(); |
| 3472 | mContext = context; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3473 | mHandler = handler; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3474 | } |
| 3475 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 3476 | void observe(Uri uri, int what) { |
| 3477 | mUriEventMap.put(uri, what); |
| 3478 | final ContentResolver resolver = mContext.getContentResolver(); |
| 3479 | resolver.registerContentObserver(uri, false, this); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3480 | } |
| 3481 | |
| 3482 | @Override |
| 3483 | public void onChange(boolean selfChange) { |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 3484 | Slog.wtf(TAG, "Should never be reached."); |
| 3485 | } |
| 3486 | |
| 3487 | @Override |
| 3488 | public void onChange(boolean selfChange, Uri uri) { |
| 3489 | final Integer what = mUriEventMap.get(uri); |
| 3490 | if (what != null) { |
| 3491 | mHandler.obtainMessage(what.intValue()).sendToTarget(); |
| 3492 | } else { |
| 3493 | loge("No matching event to send for URI=" + uri); |
| 3494 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3495 | } |
| 3496 | } |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 3497 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 3498 | private static void log(String s) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 3499 | Slog.d(TAG, s); |
| 3500 | } |
| 3501 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 3502 | private static void loge(String s) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 3503 | Slog.e(TAG, s); |
| 3504 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3505 | |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3506 | /** |
Jeff Davidson | 11008a7 | 2014-11-20 13:12:46 -0800 | [diff] [blame] | 3507 | * Prepare for a VPN application. |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3508 | * VPN permissions are checked in the {@link Vpn} class. If the caller is not {@code userId}, |
| 3509 | * {@link android.Manifest.permission.INTERACT_ACROSS_USERS_FULL} permission is required. |
| 3510 | * |
| 3511 | * @param oldPackage Package name of the application which currently controls VPN, which will |
| 3512 | * be replaced. If there is no such application, this should should either be |
| 3513 | * {@code null} or {@link VpnConfig.LEGACY_VPN}. |
| 3514 | * @param newPackage Package name of the application which should gain control of VPN, or |
| 3515 | * {@code null} to disable. |
| 3516 | * @param userId User for whom to prepare the new VPN. |
| 3517 | * |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3518 | * @hide |
| 3519 | */ |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3520 | @Override |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3521 | public boolean prepareVpn(@Nullable String oldPackage, @Nullable String newPackage, |
| 3522 | int userId) { |
| 3523 | enforceCrossUserPermission(userId); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3524 | throwIfLockdownEnabled(); |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3525 | |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3526 | synchronized (mVpns) { |
Robin Lee | 4728345 | 2015-06-01 10:57:03 -0700 | [diff] [blame] | 3527 | Vpn vpn = mVpns.get(userId); |
| 3528 | if (vpn != null) { |
| 3529 | return vpn.prepare(oldPackage, newPackage); |
| 3530 | } else { |
| 3531 | return false; |
| 3532 | } |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3533 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3534 | } |
| 3535 | |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3536 | /** |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3537 | * Set whether the VPN package has the ability to launch VPNs without user intervention. |
| 3538 | * This method is used by system-privileged apps. |
| 3539 | * VPN permissions are checked in the {@link Vpn} class. If the caller is not {@code userId}, |
| 3540 | * {@link android.Manifest.permission.INTERACT_ACROSS_USERS_FULL} permission is required. |
| 3541 | * |
| 3542 | * @param packageName The package for which authorization state should change. |
| 3543 | * @param userId User for whom {@code packageName} is installed. |
| 3544 | * @param authorized {@code true} if this app should be able to start a VPN connection without |
| 3545 | * explicit user approval, {@code false} if not. |
| 3546 | * |
Jeff Davidson | 0554260 | 2014-08-11 14:07:27 -0700 | [diff] [blame] | 3547 | * @hide |
| 3548 | */ |
| 3549 | @Override |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3550 | public void setVpnPackageAuthorization(String packageName, int userId, boolean authorized) { |
| 3551 | enforceCrossUserPermission(userId); |
| 3552 | |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3553 | synchronized (mVpns) { |
Robin Lee | 4728345 | 2015-06-01 10:57:03 -0700 | [diff] [blame] | 3554 | Vpn vpn = mVpns.get(userId); |
| 3555 | if (vpn != null) { |
| 3556 | vpn.setPackageAuthorization(packageName, authorized); |
| 3557 | } |
Jeff Davidson | 0554260 | 2014-08-11 14:07:27 -0700 | [diff] [blame] | 3558 | } |
| 3559 | } |
| 3560 | |
| 3561 | /** |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3562 | * Configure a TUN interface and return its file descriptor. Parameters |
| 3563 | * are encoded and opaque to this class. This method is used by VpnBuilder |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3564 | * and not available in ConnectivityManager. Permissions are checked in |
| 3565 | * Vpn class. |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3566 | * @hide |
| 3567 | */ |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3568 | @Override |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3569 | public ParcelFileDescriptor establishVpn(VpnConfig config) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3570 | throwIfLockdownEnabled(); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3571 | int user = UserHandle.getUserId(Binder.getCallingUid()); |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3572 | synchronized (mVpns) { |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3573 | return mVpns.get(user).establish(config); |
| 3574 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3575 | } |
| 3576 | |
Chia-chi Yeh | 77fd485 | 2011-07-02 17:15:00 -0700 | [diff] [blame] | 3577 | /** |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 3578 | * Start legacy VPN, controlling native daemons as needed. Creates a |
| 3579 | * secondary thread to perform connection work, returning quickly. |
Chia-chi Yeh | 77fd485 | 2011-07-02 17:15:00 -0700 | [diff] [blame] | 3580 | */ |
| 3581 | @Override |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 3582 | public void startLegacyVpn(VpnProfile profile) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3583 | throwIfLockdownEnabled(); |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 3584 | final LinkProperties egress = getActiveLinkProperties(); |
| 3585 | if (egress == null) { |
| 3586 | throw new IllegalStateException("Missing active network connection"); |
| 3587 | } |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3588 | int user = UserHandle.getUserId(Binder.getCallingUid()); |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3589 | synchronized (mVpns) { |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3590 | mVpns.get(user).startLegacyVpn(profile, mKeyStore, egress); |
| 3591 | } |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3592 | } |
| 3593 | |
| 3594 | /** |
| 3595 | * Return the information of the ongoing legacy VPN. This method is used |
| 3596 | * by VpnSettings and not available in ConnectivityManager. Permissions |
| 3597 | * are checked in Vpn class. |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3598 | */ |
| 3599 | @Override |
Robin Lee | 3eed5ec | 2015-07-07 12:28:13 -0700 | [diff] [blame] | 3600 | public LegacyVpnInfo getLegacyVpnInfo(int userId) { |
| 3601 | enforceCrossUserPermission(userId); |
Hung-ying Tyan | 44c8c5c | 2015-07-29 12:39:21 +0800 | [diff] [blame] | 3602 | |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3603 | synchronized (mVpns) { |
Robin Lee | 3eed5ec | 2015-07-07 12:28:13 -0700 | [diff] [blame] | 3604 | return mVpns.get(userId).getLegacyVpnInfo(); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3605 | } |
Chia-chi Yeh | 77fd485 | 2011-07-02 17:15:00 -0700 | [diff] [blame] | 3606 | } |
| 3607 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3608 | /** |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 3609 | * Return the information of all ongoing VPNs. This method is used by NetworkStatsService |
| 3610 | * and not available in ConnectivityManager. |
| 3611 | */ |
| 3612 | @Override |
| 3613 | public VpnInfo[] getAllVpnInfo() { |
| 3614 | enforceConnectivityInternalPermission(); |
| 3615 | if (mLockdownEnabled) { |
| 3616 | return new VpnInfo[0]; |
| 3617 | } |
| 3618 | |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3619 | synchronized (mVpns) { |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 3620 | List<VpnInfo> infoList = new ArrayList<>(); |
| 3621 | for (int i = 0; i < mVpns.size(); i++) { |
| 3622 | VpnInfo info = createVpnInfo(mVpns.valueAt(i)); |
| 3623 | if (info != null) { |
| 3624 | infoList.add(info); |
| 3625 | } |
| 3626 | } |
| 3627 | return infoList.toArray(new VpnInfo[infoList.size()]); |
| 3628 | } |
| 3629 | } |
| 3630 | |
| 3631 | /** |
| 3632 | * @return VPN information for accounting, or null if we can't retrieve all required |
| 3633 | * information, e.g primary underlying iface. |
| 3634 | */ |
| 3635 | @Nullable |
| 3636 | private VpnInfo createVpnInfo(Vpn vpn) { |
| 3637 | VpnInfo info = vpn.getVpnInfo(); |
| 3638 | if (info == null) { |
| 3639 | return null; |
| 3640 | } |
| 3641 | Network[] underlyingNetworks = vpn.getUnderlyingNetworks(); |
| 3642 | // see VpnService.setUnderlyingNetworks()'s javadoc about how to interpret |
| 3643 | // the underlyingNetworks list. |
| 3644 | if (underlyingNetworks == null) { |
| 3645 | NetworkAgentInfo defaultNetwork = getDefaultNetwork(); |
| 3646 | if (defaultNetwork != null && defaultNetwork.linkProperties != null) { |
| 3647 | info.primaryUnderlyingIface = getDefaultNetwork().linkProperties.getInterfaceName(); |
| 3648 | } |
| 3649 | } else if (underlyingNetworks.length > 0) { |
| 3650 | LinkProperties linkProperties = getLinkProperties(underlyingNetworks[0]); |
| 3651 | if (linkProperties != null) { |
| 3652 | info.primaryUnderlyingIface = linkProperties.getInterfaceName(); |
| 3653 | } |
| 3654 | } |
| 3655 | return info.primaryUnderlyingIface == null ? null : info; |
| 3656 | } |
| 3657 | |
| 3658 | /** |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3659 | * Returns the information of the ongoing VPN for {@code userId}. This method is used by |
| 3660 | * VpnDialogs and not available in ConnectivityManager. |
Chad Brubaker | bf6ff2c | 2013-07-16 18:59:12 -0700 | [diff] [blame] | 3661 | * Permissions are checked in Vpn class. |
| 3662 | * @hide |
| 3663 | */ |
| 3664 | @Override |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 3665 | public VpnConfig getVpnConfig(int userId) { |
| 3666 | enforceCrossUserPermission(userId); |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3667 | synchronized (mVpns) { |
Robin Lee | 4728345 | 2015-06-01 10:57:03 -0700 | [diff] [blame] | 3668 | Vpn vpn = mVpns.get(userId); |
| 3669 | if (vpn != null) { |
| 3670 | return vpn.getVpnConfig(); |
| 3671 | } else { |
| 3672 | return null; |
| 3673 | } |
Chad Brubaker | bf6ff2c | 2013-07-16 18:59:12 -0700 | [diff] [blame] | 3674 | } |
| 3675 | } |
| 3676 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3677 | @Override |
| 3678 | public boolean updateLockdownVpn() { |
Jeff Sharkey | 3671b1e | 2013-01-31 17:22:26 -0800 | [diff] [blame] | 3679 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 3680 | Slog.w(TAG, "Lockdown VPN only available to AID_SYSTEM"); |
| 3681 | return false; |
| 3682 | } |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3683 | |
| 3684 | // Tear down existing lockdown if profile was removed |
| 3685 | mLockdownEnabled = LockdownVpnTracker.isEnabled(); |
| 3686 | if (mLockdownEnabled) { |
sj.cha | 2f73d55 | 2017-01-19 08:48:47 +0900 | [diff] [blame] | 3687 | byte[] profileTag = mKeyStore.get(Credentials.LOCKDOWN_VPN); |
| 3688 | if (profileTag == null) { |
| 3689 | Slog.e(TAG, "Lockdown VPN configured but cannot be read from keystore"); |
| 3690 | return false; |
| 3691 | } |
| 3692 | String profileName = new String(profileTag); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3693 | final VpnProfile profile = VpnProfile.decode( |
| 3694 | profileName, mKeyStore.get(Credentials.VPN + profileName)); |
Lorenzo Colitti | 9b23f88 | 2015-10-13 15:21:21 +0900 | [diff] [blame] | 3695 | if (profile == null) { |
| 3696 | Slog.e(TAG, "Lockdown VPN configured invalid profile " + profileName); |
| 3697 | setLockdownTracker(null); |
| 3698 | return true; |
| 3699 | } |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3700 | int user = UserHandle.getUserId(Binder.getCallingUid()); |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3701 | synchronized (mVpns) { |
Robin Lee | 18566c1 | 2016-03-14 13:08:48 +0000 | [diff] [blame] | 3702 | Vpn vpn = mVpns.get(user); |
| 3703 | if (vpn == null) { |
| 3704 | Slog.w(TAG, "VPN for user " + user + " not ready yet. Skipping lockdown"); |
| 3705 | return false; |
| 3706 | } |
| 3707 | setLockdownTracker(new LockdownVpnTracker(mContext, mNetd, this, vpn, profile)); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3708 | } |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3709 | } else { |
| 3710 | setLockdownTracker(null); |
| 3711 | } |
| 3712 | |
| 3713 | return true; |
| 3714 | } |
| 3715 | |
| 3716 | /** |
| 3717 | * Internally set new {@link LockdownVpnTracker}, shutting down any existing |
| 3718 | * {@link LockdownVpnTracker}. Can be {@code null} to disable lockdown. |
| 3719 | */ |
| 3720 | private void setLockdownTracker(LockdownVpnTracker tracker) { |
| 3721 | // Shutdown any existing tracker |
| 3722 | final LockdownVpnTracker existing = mLockdownTracker; |
| 3723 | mLockdownTracker = null; |
| 3724 | if (existing != null) { |
| 3725 | existing.shutdown(); |
| 3726 | } |
| 3727 | |
Robin Lee | c3736bc | 2017-03-10 16:19:54 +0000 | [diff] [blame] | 3728 | if (tracker != null) { |
| 3729 | mLockdownTracker = tracker; |
| 3730 | mLockdownTracker.init(); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3731 | } |
| 3732 | } |
| 3733 | |
| 3734 | private void throwIfLockdownEnabled() { |
| 3735 | if (mLockdownEnabled) { |
| 3736 | throw new IllegalStateException("Unavailable in lockdown mode"); |
| 3737 | } |
| 3738 | } |
Robert Greenwalt | 665e1ae | 2012-08-21 19:27:00 -0700 | [diff] [blame] | 3739 | |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3740 | /** |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3741 | * Starts the always-on VPN {@link VpnService} for user {@param userId}, which should perform |
| 3742 | * some setup and then call {@code establish()} to connect. |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3743 | * |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3744 | * @return {@code true} if the service was started, the service was already connected, or there |
| 3745 | * was no always-on VPN to start. {@code false} otherwise. |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3746 | */ |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3747 | private boolean startAlwaysOnVpn(int userId) { |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3748 | synchronized (mVpns) { |
| 3749 | Vpn vpn = mVpns.get(userId); |
| 3750 | if (vpn == null) { |
| 3751 | // Shouldn't happen as all codepaths that point here should have checked the Vpn |
| 3752 | // exists already. |
| 3753 | Slog.wtf(TAG, "User " + userId + " has no Vpn configuration"); |
| 3754 | return false; |
| 3755 | } |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3756 | |
Robin Lee | 812800c | 2016-05-13 15:38:08 +0100 | [diff] [blame] | 3757 | return vpn.startAlwaysOnVpn(); |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3758 | } |
| 3759 | } |
| 3760 | |
| 3761 | @Override |
Robin Lee | dc67971 | 2016-05-03 13:23:03 +0100 | [diff] [blame] | 3762 | public boolean setAlwaysOnVpnPackage(int userId, String packageName, boolean lockdown) { |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3763 | enforceConnectivityInternalPermission(); |
| 3764 | enforceCrossUserPermission(userId); |
| 3765 | |
| 3766 | // Can't set always-on VPN if legacy VPN is already in lockdown mode. |
| 3767 | if (LockdownVpnTracker.isEnabled()) { |
| 3768 | return false; |
| 3769 | } |
| 3770 | |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3771 | synchronized (mVpns) { |
| 3772 | Vpn vpn = mVpns.get(userId); |
| 3773 | if (vpn == null) { |
| 3774 | Slog.w(TAG, "User " + userId + " has no Vpn configuration"); |
| 3775 | return false; |
| 3776 | } |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3777 | if (!vpn.setAlwaysOnPackage(packageName, lockdown)) { |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3778 | return false; |
| 3779 | } |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3780 | if (!startAlwaysOnVpn(userId)) { |
| 3781 | vpn.setAlwaysOnPackage(null, false); |
Robin Lee | 244ce8e | 2016-01-05 18:03:46 +0000 | [diff] [blame] | 3782 | return false; |
| 3783 | } |
| 3784 | } |
| 3785 | return true; |
| 3786 | } |
| 3787 | |
| 3788 | @Override |
| 3789 | public String getAlwaysOnVpnPackage(int userId) { |
| 3790 | enforceConnectivityInternalPermission(); |
| 3791 | enforceCrossUserPermission(userId); |
| 3792 | |
| 3793 | synchronized (mVpns) { |
| 3794 | Vpn vpn = mVpns.get(userId); |
| 3795 | if (vpn == null) { |
| 3796 | Slog.w(TAG, "User " + userId + " has no Vpn configuration"); |
| 3797 | return null; |
| 3798 | } |
| 3799 | return vpn.getAlwaysOnPackage(); |
| 3800 | } |
| 3801 | } |
| 3802 | |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 3803 | @Override |
Wink Saville | 948282b | 2013-08-29 08:55:16 -0700 | [diff] [blame] | 3804 | public int checkMobileProvisioning(int suggestedTimeOutMs) { |
Paul Jensen | 89e0f09 | 2014-09-15 15:59:36 -0400 | [diff] [blame] | 3805 | // TODO: Remove? Any reason to trigger a provisioning check? |
| 3806 | return -1; |
Wink Saville | 948282b | 2013-08-29 08:55:16 -0700 | [diff] [blame] | 3807 | } |
| 3808 | |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3809 | /** Location to an updatable file listing carrier provisioning urls. |
| 3810 | * An example: |
| 3811 | * |
| 3812 | * <?xml version="1.0" encoding="utf-8"?> |
| 3813 | * <provisioningUrls> |
| 3814 | * <provisioningUrl mcc="310" mnc="4">http://myserver.com/foo?mdn=%3$s&iccid=%1$s&imei=%2$s</provisioningUrl> |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3815 | * </provisioningUrls> |
| 3816 | */ |
| 3817 | private static final String PROVISIONING_URL_PATH = |
| 3818 | "/data/misc/radio/provisioning_urls.xml"; |
| 3819 | private final File mProvisioningUrlFile = new File(PROVISIONING_URL_PATH); |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 3820 | |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3821 | /** XML tag for root element. */ |
| 3822 | private static final String TAG_PROVISIONING_URLS = "provisioningUrls"; |
| 3823 | /** XML tag for individual url */ |
| 3824 | private static final String TAG_PROVISIONING_URL = "provisioningUrl"; |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3825 | /** XML attribute for mcc */ |
| 3826 | private static final String ATTR_MCC = "mcc"; |
| 3827 | /** XML attribute for mnc */ |
| 3828 | private static final String ATTR_MNC = "mnc"; |
| 3829 | |
Paul Jensen | 434dde8 | 2015-06-11 09:43:30 -0400 | [diff] [blame] | 3830 | private String getProvisioningUrlBaseFromFile() { |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3831 | FileReader fileReader = null; |
| 3832 | XmlPullParser parser = null; |
| 3833 | Configuration config = mContext.getResources().getConfiguration(); |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3834 | |
| 3835 | try { |
| 3836 | fileReader = new FileReader(mProvisioningUrlFile); |
| 3837 | parser = Xml.newPullParser(); |
| 3838 | parser.setInput(fileReader); |
| 3839 | XmlUtils.beginDocument(parser, TAG_PROVISIONING_URLS); |
| 3840 | |
| 3841 | while (true) { |
| 3842 | XmlUtils.nextElement(parser); |
| 3843 | |
| 3844 | String element = parser.getName(); |
| 3845 | if (element == null) break; |
| 3846 | |
Paul Jensen | 434dde8 | 2015-06-11 09:43:30 -0400 | [diff] [blame] | 3847 | if (element.equals(TAG_PROVISIONING_URL)) { |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3848 | String mcc = parser.getAttributeValue(null, ATTR_MCC); |
| 3849 | try { |
| 3850 | if (mcc != null && Integer.parseInt(mcc) == config.mcc) { |
| 3851 | String mnc = parser.getAttributeValue(null, ATTR_MNC); |
| 3852 | if (mnc != null && Integer.parseInt(mnc) == config.mnc) { |
| 3853 | parser.next(); |
| 3854 | if (parser.getEventType() == XmlPullParser.TEXT) { |
| 3855 | return parser.getText(); |
| 3856 | } |
| 3857 | } |
| 3858 | } |
| 3859 | } catch (NumberFormatException e) { |
| 3860 | loge("NumberFormatException in getProvisioningUrlBaseFromFile: " + e); |
| 3861 | } |
| 3862 | } |
| 3863 | } |
| 3864 | return null; |
| 3865 | } catch (FileNotFoundException e) { |
| 3866 | loge("Carrier Provisioning Urls file not found"); |
| 3867 | } catch (XmlPullParserException e) { |
| 3868 | loge("Xml parser exception reading Carrier Provisioning Urls file: " + e); |
| 3869 | } catch (IOException e) { |
| 3870 | loge("I/O exception reading Carrier Provisioning Urls file: " + e); |
| 3871 | } finally { |
| 3872 | if (fileReader != null) { |
| 3873 | try { |
| 3874 | fileReader.close(); |
| 3875 | } catch (IOException e) {} |
| 3876 | } |
| 3877 | } |
| 3878 | return null; |
| 3879 | } |
| 3880 | |
Wink Saville | 42d4f08 | 2013-07-20 20:31:59 -0700 | [diff] [blame] | 3881 | @Override |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3882 | public String getMobileProvisioningUrl() { |
| 3883 | enforceConnectivityInternalPermission(); |
Paul Jensen | 434dde8 | 2015-06-11 09:43:30 -0400 | [diff] [blame] | 3884 | String url = getProvisioningUrlBaseFromFile(); |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3885 | if (TextUtils.isEmpty(url)) { |
| 3886 | url = mContext.getResources().getString(R.string.mobile_provisioning_url); |
Wink Saville | 42d4f08 | 2013-07-20 20:31:59 -0700 | [diff] [blame] | 3887 | log("getMobileProvisioningUrl: mobile_provisioining_url from resource =" + url); |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3888 | } else { |
Wink Saville | 42d4f08 | 2013-07-20 20:31:59 -0700 | [diff] [blame] | 3889 | log("getMobileProvisioningUrl: mobile_provisioning_url from File =" + url); |
Robert Greenwalt | e182bfe | 2013-07-16 12:06:09 -0700 | [diff] [blame] | 3890 | } |
Wink Saville | 8cf3560 | 2013-07-10 23:00:07 -0700 | [diff] [blame] | 3891 | // populate the iccid, imei and phone number in the provisioning url. |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 3892 | if (!TextUtils.isEmpty(url)) { |
Wink Saville | 8cf3560 | 2013-07-10 23:00:07 -0700 | [diff] [blame] | 3893 | String phoneNumber = mTelephonyManager.getLine1Number(); |
| 3894 | if (TextUtils.isEmpty(phoneNumber)) { |
| 3895 | phoneNumber = "0000000000"; |
| 3896 | } |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 3897 | url = String.format(url, |
| 3898 | mTelephonyManager.getSimSerialNumber() /* ICCID */, |
| 3899 | mTelephonyManager.getDeviceId() /* IMEI */, |
Wink Saville | 8cf3560 | 2013-07-10 23:00:07 -0700 | [diff] [blame] | 3900 | phoneNumber /* Phone numer */); |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 3901 | } |
| 3902 | |
Wink Saville | ab9321d | 2013-06-29 21:10:57 -0700 | [diff] [blame] | 3903 | return url; |
| 3904 | } |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3905 | |
Wink Saville | 948282b | 2013-08-29 08:55:16 -0700 | [diff] [blame] | 3906 | @Override |
| 3907 | public void setProvisioningNotificationVisible(boolean visible, int networkType, |
Paul Jensen | 89e0f09 | 2014-09-15 15:59:36 -0400 | [diff] [blame] | 3908 | String action) { |
Wink Saville | 948282b | 2013-08-29 08:55:16 -0700 | [diff] [blame] | 3909 | enforceConnectivityInternalPermission(); |
Paul Jensen | 89e0f09 | 2014-09-15 15:59:36 -0400 | [diff] [blame] | 3910 | final long ident = Binder.clearCallingIdentity(); |
| 3911 | try { |
Lorenzo Colitti | 0b59906 | 2016-08-22 22:36:19 +0900 | [diff] [blame] | 3912 | // Concatenate the range of types onto the range of NetIDs. |
| 3913 | int id = MAX_NET_ID + 1 + (networkType - ConnectivityManager.TYPE_NONE); |
| 3914 | mNotifier.setProvNotificationVisible(visible, id, action); |
Paul Jensen | 89e0f09 | 2014-09-15 15:59:36 -0400 | [diff] [blame] | 3915 | } finally { |
| 3916 | Binder.restoreCallingIdentity(ident); |
| 3917 | } |
Wink Saville | 948282b | 2013-08-29 08:55:16 -0700 | [diff] [blame] | 3918 | } |
Wink Saville | 7788c61 | 2013-08-29 14:57:08 -0700 | [diff] [blame] | 3919 | |
Yuhao Zheng | 5cd1a0e | 2013-09-09 17:00:04 -0700 | [diff] [blame] | 3920 | @Override |
| 3921 | public void setAirplaneMode(boolean enable) { |
| 3922 | enforceConnectivityInternalPermission(); |
Yuhao Zheng | 5cd1a0e | 2013-09-09 17:00:04 -0700 | [diff] [blame] | 3923 | final long ident = Binder.clearCallingIdentity(); |
| 3924 | try { |
Yuhao Zheng | 5530e4b | 2013-09-11 09:36:41 -0700 | [diff] [blame] | 3925 | final ContentResolver cr = mContext.getContentResolver(); |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 3926 | Settings.Global.putInt(cr, Settings.Global.AIRPLANE_MODE_ON, encodeBool(enable)); |
Yuhao Zheng | 5530e4b | 2013-09-11 09:36:41 -0700 | [diff] [blame] | 3927 | Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED); |
| 3928 | intent.putExtra("state", enable); |
xinhe | 98e25fc | 2014-11-17 11:35:01 -0800 | [diff] [blame] | 3929 | mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
Yuhao Zheng | 5cd1a0e | 2013-09-09 17:00:04 -0700 | [diff] [blame] | 3930 | } finally { |
| 3931 | Binder.restoreCallingIdentity(ident); |
| 3932 | } |
| 3933 | } |
| 3934 | |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3935 | private void onUserStart(int userId) { |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3936 | synchronized (mVpns) { |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3937 | Vpn userVpn = mVpns.get(userId); |
| 3938 | if (userVpn != null) { |
| 3939 | loge("Starting user already has a VPN"); |
| 3940 | return; |
| 3941 | } |
Paul Jensen | e75b9e3 | 2015-04-06 11:54:53 -0400 | [diff] [blame] | 3942 | userVpn = new Vpn(mHandler.getLooper(), mContext, mNetd, userId); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3943 | mVpns.put(userId, userVpn); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3944 | } |
Robin Lee | 9a5f485 | 2015-12-17 11:42:22 +0000 | [diff] [blame] | 3945 | if (mUserManager.getUserInfo(userId).isPrimary() && LockdownVpnTracker.isEnabled()) { |
| 3946 | updateLockdownVpn(); |
Robin Lee | 9a5f485 | 2015-12-17 11:42:22 +0000 | [diff] [blame] | 3947 | } |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3948 | } |
| 3949 | |
| 3950 | private void onUserStop(int userId) { |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3951 | synchronized (mVpns) { |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3952 | Vpn userVpn = mVpns.get(userId); |
| 3953 | if (userVpn == null) { |
Amith Yamasani | ad2e4bf | 2016-04-26 14:35:54 -0700 | [diff] [blame] | 3954 | loge("Stopped user has no VPN"); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3955 | return; |
| 3956 | } |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3957 | userVpn.onUserStopped(); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3958 | mVpns.delete(userId); |
| 3959 | } |
| 3960 | } |
| 3961 | |
Fyodor Kupolov | 1c36315 | 2015-09-02 13:27:21 -0700 | [diff] [blame] | 3962 | private void onUserAdded(int userId) { |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3963 | synchronized (mVpns) { |
Fyodor Kupolov | 1c36315 | 2015-09-02 13:27:21 -0700 | [diff] [blame] | 3964 | final int vpnsSize = mVpns.size(); |
| 3965 | for (int i = 0; i < vpnsSize; i++) { |
| 3966 | Vpn vpn = mVpns.valueAt(i); |
| 3967 | vpn.onUserAdded(userId); |
| 3968 | } |
| 3969 | } |
| 3970 | } |
| 3971 | |
| 3972 | private void onUserRemoved(int userId) { |
Hugo Benichi | 20035e0 | 2017-04-26 14:53:28 +0900 | [diff] [blame] | 3973 | synchronized (mVpns) { |
Fyodor Kupolov | 1c36315 | 2015-09-02 13:27:21 -0700 | [diff] [blame] | 3974 | final int vpnsSize = mVpns.size(); |
| 3975 | for (int i = 0; i < vpnsSize; i++) { |
| 3976 | Vpn vpn = mVpns.valueAt(i); |
| 3977 | vpn.onUserRemoved(userId); |
| 3978 | } |
| 3979 | } |
| 3980 | } |
| 3981 | |
Robin Lee | 89e7a69 | 2016-02-29 14:38:17 +0000 | [diff] [blame] | 3982 | private void onUserUnlocked(int userId) { |
Robin Lee | 9a5f485 | 2015-12-17 11:42:22 +0000 | [diff] [blame] | 3983 | // User present may be sent because of an unlock, which might mean an unlocked keystore. |
| 3984 | if (mUserManager.getUserInfo(userId).isPrimary() && LockdownVpnTracker.isEnabled()) { |
| 3985 | updateLockdownVpn(); |
| 3986 | } else { |
Robin Lee | 17e6183 | 2016-05-09 13:46:28 +0100 | [diff] [blame] | 3987 | startAlwaysOnVpn(userId); |
Robin Lee | 9a5f485 | 2015-12-17 11:42:22 +0000 | [diff] [blame] | 3988 | } |
| 3989 | } |
| 3990 | |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3991 | private BroadcastReceiver mUserIntentReceiver = new BroadcastReceiver() { |
| 3992 | @Override |
| 3993 | public void onReceive(Context context, Intent intent) { |
| 3994 | final String action = intent.getAction(); |
| 3995 | final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); |
| 3996 | if (userId == UserHandle.USER_NULL) return; |
| 3997 | |
Robin Lee | 323f29d | 2016-05-04 16:38:06 +0100 | [diff] [blame] | 3998 | if (Intent.ACTION_USER_STARTED.equals(action)) { |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 3999 | onUserStart(userId); |
Amith Yamasani | ad2e4bf | 2016-04-26 14:35:54 -0700 | [diff] [blame] | 4000 | } else if (Intent.ACTION_USER_STOPPED.equals(action)) { |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 4001 | onUserStop(userId); |
Fyodor Kupolov | 1c36315 | 2015-09-02 13:27:21 -0700 | [diff] [blame] | 4002 | } else if (Intent.ACTION_USER_ADDED.equals(action)) { |
| 4003 | onUserAdded(userId); |
| 4004 | } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| 4005 | onUserRemoved(userId); |
Robin Lee | 89e7a69 | 2016-02-29 14:38:17 +0000 | [diff] [blame] | 4006 | } else if (Intent.ACTION_USER_UNLOCKED.equals(action)) { |
| 4007 | onUserUnlocked(userId); |
Chad Brubaker | 4ca19e8 | 2013-06-14 11:16:51 -0700 | [diff] [blame] | 4008 | } |
| 4009 | } |
| 4010 | }; |
Vinit Deshapnde | 1f12cb5 | 2013-08-21 13:09:01 -0700 | [diff] [blame] | 4011 | |
Robin Lee | 95204e0 | 2017-01-27 11:59:22 +0000 | [diff] [blame] | 4012 | private BroadcastReceiver mUserPresentReceiver = new BroadcastReceiver() { |
| 4013 | @Override |
| 4014 | public void onReceive(Context context, Intent intent) { |
| 4015 | // Try creating lockdown tracker, since user present usually means |
| 4016 | // unlocked keystore. |
| 4017 | updateLockdownVpn(); |
| 4018 | mContext.unregisterReceiver(this); |
| 4019 | } |
| 4020 | }; |
| 4021 | |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4022 | private final HashMap<Messenger, NetworkFactoryInfo> mNetworkFactoryInfos = |
| 4023 | new HashMap<Messenger, NetworkFactoryInfo>(); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4024 | private final HashMap<NetworkRequest, NetworkRequestInfo> mNetworkRequests = |
| 4025 | new HashMap<NetworkRequest, NetworkRequestInfo>(); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 4026 | |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 4027 | private static final int MAX_NETWORK_REQUESTS_PER_UID = 100; |
| 4028 | // Map from UID to number of NetworkRequests that UID has filed. |
| 4029 | @GuardedBy("mUidToNetworkRequestCount") |
| 4030 | private final SparseIntArray mUidToNetworkRequestCount = new SparseIntArray(); |
| 4031 | |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4032 | private static class NetworkFactoryInfo { |
| 4033 | public final String name; |
| 4034 | public final Messenger messenger; |
| 4035 | public final AsyncChannel asyncChannel; |
| 4036 | |
| 4037 | public NetworkFactoryInfo(String name, Messenger messenger, AsyncChannel asyncChannel) { |
| 4038 | this.name = name; |
| 4039 | this.messenger = messenger; |
| 4040 | this.asyncChannel = asyncChannel; |
| 4041 | } |
| 4042 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4043 | |
Lorenzo Colitti | 1ec11eb | 2016-07-05 01:22:13 +0900 | [diff] [blame] | 4044 | private void ensureNetworkRequestHasType(NetworkRequest request) { |
| 4045 | if (request.type == NetworkRequest.Type.NONE) { |
| 4046 | throw new IllegalArgumentException( |
| 4047 | "All NetworkRequests in ConnectivityService must have a type"); |
| 4048 | } |
| 4049 | } |
| 4050 | |
Robert Greenwalt | 39fa65a | 2014-07-27 10:56:49 -0700 | [diff] [blame] | 4051 | /** |
| 4052 | * Tracks info about the requester. |
| 4053 | * Also used to notice when the calling process dies so we can self-expire |
| 4054 | */ |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4055 | private class NetworkRequestInfo implements IBinder.DeathRecipient { |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4056 | final NetworkRequest request; |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4057 | final PendingIntent mPendingIntent; |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 4058 | boolean mPendingIntentSent; |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4059 | private final IBinder mBinder; |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4060 | final int mPid; |
| 4061 | final int mUid; |
| 4062 | final Messenger messenger; |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4063 | |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4064 | NetworkRequestInfo(NetworkRequest r, PendingIntent pi) { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4065 | request = r; |
Lorenzo Colitti | 1ec11eb | 2016-07-05 01:22:13 +0900 | [diff] [blame] | 4066 | ensureNetworkRequestHasType(request); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4067 | mPendingIntent = pi; |
| 4068 | messenger = null; |
| 4069 | mBinder = null; |
| 4070 | mPid = getCallingPid(); |
| 4071 | mUid = getCallingUid(); |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 4072 | enforceRequestCountLimit(); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4073 | } |
| 4074 | |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4075 | NetworkRequestInfo(Messenger m, NetworkRequest r, IBinder binder) { |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4076 | super(); |
| 4077 | messenger = m; |
| 4078 | request = r; |
Lorenzo Colitti | 1ec11eb | 2016-07-05 01:22:13 +0900 | [diff] [blame] | 4079 | ensureNetworkRequestHasType(request); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4080 | mBinder = binder; |
| 4081 | mPid = getCallingPid(); |
| 4082 | mUid = getCallingUid(); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4083 | mPendingIntent = null; |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 4084 | enforceRequestCountLimit(); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4085 | |
| 4086 | try { |
| 4087 | mBinder.linkToDeath(this, 0); |
| 4088 | } catch (RemoteException e) { |
| 4089 | binderDied(); |
| 4090 | } |
| 4091 | } |
| 4092 | |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 4093 | private void enforceRequestCountLimit() { |
| 4094 | synchronized (mUidToNetworkRequestCount) { |
| 4095 | int networkRequests = mUidToNetworkRequestCount.get(mUid, 0) + 1; |
| 4096 | if (networkRequests >= MAX_NETWORK_REQUESTS_PER_UID) { |
Hugo Benichi | cb88323 | 2017-05-11 13:16:17 +0900 | [diff] [blame] | 4097 | throw new ServiceSpecificException( |
| 4098 | ConnectivityManager.Errors.TOO_MANY_REQUESTS); |
Paul Jensen | 4e1d3fd | 2016-04-08 13:56:52 -0400 | [diff] [blame] | 4099 | } |
| 4100 | mUidToNetworkRequestCount.put(mUid, networkRequests); |
| 4101 | } |
| 4102 | } |
| 4103 | |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4104 | void unlinkDeathRecipient() { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4105 | if (mBinder != null) { |
| 4106 | mBinder.unlinkToDeath(this, 0); |
| 4107 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4108 | } |
| 4109 | |
| 4110 | public void binderDied() { |
| 4111 | log("ConnectivityService NetworkRequestInfo binderDied(" + |
| 4112 | request + ", " + mBinder + ")"); |
| 4113 | releaseNetworkRequest(request); |
| 4114 | } |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4115 | |
| 4116 | public String toString() { |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4117 | return "uid/pid:" + mUid + "/" + mPid + " " + request + |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4118 | (mPendingIntent == null ? "" : " to trigger " + mPendingIntent); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4119 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4120 | } |
| 4121 | |
Lorenzo Colitti | 260a36d | 2015-07-08 12:49:04 +0900 | [diff] [blame] | 4122 | private void ensureRequestableCapabilities(NetworkCapabilities networkCapabilities) { |
| 4123 | final String badCapability = networkCapabilities.describeFirstNonRequestableCapability(); |
| 4124 | if (badCapability != null) { |
| 4125 | throw new IllegalArgumentException("Cannot request network with " + badCapability); |
Paul Jensen | bb2e0e9 | 2015-06-16 15:11:58 -0400 | [diff] [blame] | 4126 | } |
| 4127 | } |
| 4128 | |
Erik Kline | 9d598e1 | 2015-07-13 16:37:51 +0900 | [diff] [blame] | 4129 | private ArrayList<Integer> getSignalStrengthThresholds(NetworkAgentInfo nai) { |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 4130 | final SortedSet<Integer> thresholds = new TreeSet(); |
| 4131 | synchronized (nai) { |
| 4132 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
| 4133 | if (nri.request.networkCapabilities.hasSignalStrength() && |
| 4134 | nai.satisfiesImmutableCapabilitiesOf(nri.request)) { |
| 4135 | thresholds.add(nri.request.networkCapabilities.getSignalStrength()); |
| 4136 | } |
| 4137 | } |
| 4138 | } |
Erik Kline | 9d598e1 | 2015-07-13 16:37:51 +0900 | [diff] [blame] | 4139 | return new ArrayList<Integer>(thresholds); |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 4140 | } |
| 4141 | |
Lorenzo Colitti | 6bc0a2b | 2015-09-15 15:56:01 +0900 | [diff] [blame] | 4142 | private void updateSignalStrengthThresholds( |
| 4143 | NetworkAgentInfo nai, String reason, NetworkRequest request) { |
| 4144 | ArrayList<Integer> thresholdsArray = getSignalStrengthThresholds(nai); |
Erik Kline | 9d598e1 | 2015-07-13 16:37:51 +0900 | [diff] [blame] | 4145 | Bundle thresholds = new Bundle(); |
Lorenzo Colitti | 6bc0a2b | 2015-09-15 15:56:01 +0900 | [diff] [blame] | 4146 | thresholds.putIntegerArrayList("thresholds", thresholdsArray); |
| 4147 | |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4148 | if (VDBG || (DBG && !"CONNECT".equals(reason))) { |
Lorenzo Colitti | 6bc0a2b | 2015-09-15 15:56:01 +0900 | [diff] [blame] | 4149 | String detail; |
| 4150 | if (request != null && request.networkCapabilities.hasSignalStrength()) { |
| 4151 | detail = reason + " " + request.networkCapabilities.getSignalStrength(); |
| 4152 | } else { |
| 4153 | detail = reason; |
| 4154 | } |
| 4155 | log(String.format("updateSignalStrengthThresholds: %s, sending %s to %s", |
| 4156 | detail, Arrays.toString(thresholdsArray.toArray()), nai.name())); |
| 4157 | } |
| 4158 | |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 4159 | nai.asyncChannel.sendMessage( |
| 4160 | android.net.NetworkAgent.CMD_SET_SIGNAL_STRENGTH_THRESHOLDS, |
Erik Kline | 9d598e1 | 2015-07-13 16:37:51 +0900 | [diff] [blame] | 4161 | 0, 0, thresholds); |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 4162 | } |
| 4163 | |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 4164 | private void ensureValidNetworkSpecifier(NetworkCapabilities nc) { |
| 4165 | if (nc == null) { |
| 4166 | return; |
| 4167 | } |
| 4168 | NetworkSpecifier ns = nc.getNetworkSpecifier(); |
| 4169 | if (ns == null) { |
| 4170 | return; |
| 4171 | } |
| 4172 | MatchAllNetworkSpecifier.checkNotMatchAllNetworkSpecifier(ns); |
| 4173 | ns.assertValidFromUid(Binder.getCallingUid()); |
| 4174 | } |
| 4175 | |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4176 | @Override |
| 4177 | public NetworkRequest requestNetwork(NetworkCapabilities networkCapabilities, |
Robert Greenwalt | 6078b50 | 2014-06-11 16:05:07 -0700 | [diff] [blame] | 4178 | Messenger messenger, int timeoutMs, IBinder binder, int legacyType) { |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4179 | final NetworkRequest.Type type = (networkCapabilities == null) |
| 4180 | ? NetworkRequest.Type.TRACK_DEFAULT |
| 4181 | : NetworkRequest.Type.REQUEST; |
Erik Kline | a2d2940 | 2016-03-16 15:31:39 +0900 | [diff] [blame] | 4182 | // If the requested networkCapabilities is null, take them instead from |
| 4183 | // the default network request. This allows callers to keep track of |
| 4184 | // the system default network. |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4185 | if (type == NetworkRequest.Type.TRACK_DEFAULT) { |
Erik Kline | a2d2940 | 2016-03-16 15:31:39 +0900 | [diff] [blame] | 4186 | networkCapabilities = new NetworkCapabilities(mDefaultRequest.networkCapabilities); |
| 4187 | enforceAccessPermission(); |
| 4188 | } else { |
| 4189 | networkCapabilities = new NetworkCapabilities(networkCapabilities); |
| 4190 | enforceNetworkRequestPermissions(networkCapabilities); |
Lorenzo Colitti | b60570c | 2016-07-01 13:20:10 +0900 | [diff] [blame] | 4191 | // TODO: this is incorrect. We mark the request as metered or not depending on the state |
| 4192 | // of the app when the request is filed, but we never change the request if the app |
| 4193 | // changes network state. http://b/29964605 |
| 4194 | enforceMeteredApnPolicy(networkCapabilities); |
Erik Kline | a2d2940 | 2016-03-16 15:31:39 +0900 | [diff] [blame] | 4195 | } |
Lorenzo Colitti | 260a36d | 2015-07-08 12:49:04 +0900 | [diff] [blame] | 4196 | ensureRequestableCapabilities(networkCapabilities); |
Robert Greenwalt | 39fa65a | 2014-07-27 10:56:49 -0700 | [diff] [blame] | 4197 | |
Etan Cohen | ba07c8c | 2017-02-05 10:42:27 -0800 | [diff] [blame] | 4198 | if (timeoutMs < 0) { |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4199 | throw new IllegalArgumentException("Bad timeout specified"); |
| 4200 | } |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 4201 | ensureValidNetworkSpecifier(networkCapabilities); |
Etan Cohen | ddb9ef0 | 2015-11-18 10:56:15 -0800 | [diff] [blame] | 4202 | |
Robert Greenwalt | 39fa65a | 2014-07-27 10:56:49 -0700 | [diff] [blame] | 4203 | NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, legacyType, |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4204 | nextNetworkRequestId(), type); |
| 4205 | NetworkRequestInfo nri = new NetworkRequestInfo(messenger, networkRequest, binder); |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 4206 | if (DBG) log("requestNetwork for " + nri); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4207 | |
| 4208 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_REQUEST, nri)); |
Robert Greenwalt | 6078b50 | 2014-06-11 16:05:07 -0700 | [diff] [blame] | 4209 | if (timeoutMs > 0) { |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4210 | mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_TIMEOUT_NETWORK_REQUEST, |
Robert Greenwalt | 6078b50 | 2014-06-11 16:05:07 -0700 | [diff] [blame] | 4211 | nri), timeoutMs); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4212 | } |
| 4213 | return networkRequest; |
| 4214 | } |
| 4215 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4216 | private void enforceNetworkRequestPermissions(NetworkCapabilities networkCapabilities) { |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 4217 | if (networkCapabilities.hasCapability(NET_CAPABILITY_NOT_RESTRICTED) == false) { |
Hugo Benichi | 514da60 | 2016-07-19 15:59:27 +0900 | [diff] [blame] | 4218 | enforceConnectivityRestrictedNetworksPermission(); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4219 | } else { |
| 4220 | enforceChangePermission(); |
| 4221 | } |
| 4222 | } |
| 4223 | |
fenglu | b15e72b | 2015-03-20 11:29:56 -0700 | [diff] [blame] | 4224 | @Override |
fenglu | db57147 | 2015-04-21 17:12:05 -0700 | [diff] [blame] | 4225 | public boolean requestBandwidthUpdate(Network network) { |
fenglu | b15e72b | 2015-03-20 11:29:56 -0700 | [diff] [blame] | 4226 | enforceAccessPermission(); |
| 4227 | NetworkAgentInfo nai = null; |
| 4228 | if (network == null) { |
| 4229 | return false; |
| 4230 | } |
| 4231 | synchronized (mNetworkForNetId) { |
| 4232 | nai = mNetworkForNetId.get(network.netId); |
| 4233 | } |
| 4234 | if (nai != null) { |
| 4235 | nai.asyncChannel.sendMessage(android.net.NetworkAgent.CMD_REQUEST_BANDWIDTH_UPDATE); |
| 4236 | return true; |
| 4237 | } |
| 4238 | return false; |
| 4239 | } |
| 4240 | |
Felipe Leme | ee27cab | 2016-06-20 16:36:29 -0700 | [diff] [blame] | 4241 | private boolean isSystem(int uid) { |
| 4242 | return uid < Process.FIRST_APPLICATION_UID; |
| 4243 | } |
fenglu | b15e72b | 2015-03-20 11:29:56 -0700 | [diff] [blame] | 4244 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4245 | private void enforceMeteredApnPolicy(NetworkCapabilities networkCapabilities) { |
Felipe Leme | ee27cab | 2016-06-20 16:36:29 -0700 | [diff] [blame] | 4246 | final int uid = Binder.getCallingUid(); |
| 4247 | if (isSystem(uid)) { |
| 4248 | return; |
| 4249 | } |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4250 | // if UID is restricted, don't allow them to bring up metered APNs |
Lorenzo Colitti | 76f6779 | 2015-05-14 17:28:27 +0900 | [diff] [blame] | 4251 | if (networkCapabilities.hasCapability(NET_CAPABILITY_NOT_METERED) == false) { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4252 | final int uidRules; |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4253 | synchronized(mRulesLock) { |
| 4254 | uidRules = mUidRules.get(uid, RULE_ALLOW_ALL); |
| 4255 | } |
Felipe Leme | a4aba6e | 2016-05-20 18:04:14 -0700 | [diff] [blame] | 4256 | if (mRestrictBackground && (uidRules & RULE_ALLOW_METERED) == 0 |
| 4257 | && (uidRules & RULE_TEMPORARY_ALLOW_METERED) == 0) { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4258 | // we could silently fail or we can filter the available nets to only give |
Felipe Leme | d31a97f | 2016-05-06 14:53:50 -0700 | [diff] [blame] | 4259 | // them those they have access to. Chose the more useful option. |
Lorenzo Colitti | 8deb341 | 2015-05-14 17:07:20 +0900 | [diff] [blame] | 4260 | networkCapabilities.addCapability(NET_CAPABILITY_NOT_METERED); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4261 | } |
| 4262 | } |
| 4263 | } |
| 4264 | |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4265 | @Override |
| 4266 | public NetworkRequest pendingRequestForNetwork(NetworkCapabilities networkCapabilities, |
| 4267 | PendingIntent operation) { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4268 | checkNotNull(operation, "PendingIntent cannot be null."); |
| 4269 | networkCapabilities = new NetworkCapabilities(networkCapabilities); |
| 4270 | enforceNetworkRequestPermissions(networkCapabilities); |
| 4271 | enforceMeteredApnPolicy(networkCapabilities); |
Lorenzo Colitti | 260a36d | 2015-07-08 12:49:04 +0900 | [diff] [blame] | 4272 | ensureRequestableCapabilities(networkCapabilities); |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 4273 | ensureValidNetworkSpecifier(networkCapabilities); |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 4274 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4275 | NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, TYPE_NONE, |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4276 | nextNetworkRequestId(), NetworkRequest.Type.REQUEST); |
| 4277 | NetworkRequestInfo nri = new NetworkRequestInfo(networkRequest, operation); |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 4278 | if (DBG) log("pendingRequest for " + nri); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4279 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_REQUEST_WITH_INTENT, |
| 4280 | nri)); |
| 4281 | return networkRequest; |
| 4282 | } |
| 4283 | |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 4284 | private void releasePendingNetworkRequestWithDelay(PendingIntent operation) { |
| 4285 | mHandler.sendMessageDelayed( |
| 4286 | mHandler.obtainMessage(EVENT_RELEASE_NETWORK_REQUEST_WITH_INTENT, |
| 4287 | getCallingUid(), 0, operation), mReleasePendingIntentDelayMs); |
| 4288 | } |
| 4289 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4290 | @Override |
| 4291 | public void releasePendingNetworkRequest(PendingIntent operation) { |
Paul Jensen | 1a81c39 | 2015-05-21 08:15:08 -0400 | [diff] [blame] | 4292 | checkNotNull(operation, "PendingIntent cannot be null."); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4293 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_RELEASE_NETWORK_REQUEST_WITH_INTENT, |
| 4294 | getCallingUid(), 0, operation)); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4295 | } |
| 4296 | |
Lorenzo Colitti | fa57c48 | 2015-04-22 10:44:49 +0900 | [diff] [blame] | 4297 | // In order to implement the compatibility measure for pre-M apps that call |
| 4298 | // WifiManager.enableNetwork(..., true) without also binding to that network explicitly, |
| 4299 | // WifiManager registers a network listen for the purpose of calling setProcessDefaultNetwork. |
| 4300 | // This ensures it has permission to do so. |
| 4301 | private boolean hasWifiNetworkListenPermission(NetworkCapabilities nc) { |
| 4302 | if (nc == null) { |
| 4303 | return false; |
| 4304 | } |
| 4305 | int[] transportTypes = nc.getTransportTypes(); |
| 4306 | if (transportTypes.length != 1 || transportTypes[0] != NetworkCapabilities.TRANSPORT_WIFI) { |
| 4307 | return false; |
| 4308 | } |
| 4309 | try { |
| 4310 | mContext.enforceCallingOrSelfPermission( |
| 4311 | android.Manifest.permission.ACCESS_WIFI_STATE, |
| 4312 | "ConnectivityService"); |
| 4313 | } catch (SecurityException e) { |
| 4314 | return false; |
| 4315 | } |
| 4316 | return true; |
| 4317 | } |
| 4318 | |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4319 | @Override |
| 4320 | public NetworkRequest listenForNetwork(NetworkCapabilities networkCapabilities, |
| 4321 | Messenger messenger, IBinder binder) { |
Lorenzo Colitti | fa57c48 | 2015-04-22 10:44:49 +0900 | [diff] [blame] | 4322 | if (!hasWifiNetworkListenPermission(networkCapabilities)) { |
| 4323 | enforceAccessPermission(); |
| 4324 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4325 | |
Lorenzo Colitti | fbe9b1a | 2016-07-28 17:14:11 +0900 | [diff] [blame] | 4326 | NetworkCapabilities nc = new NetworkCapabilities(networkCapabilities); |
| 4327 | if (!ConnectivityManager.checkChangePermission(mContext)) { |
| 4328 | // Apps without the CHANGE_NETWORK_STATE permission can't use background networks, so |
| 4329 | // make all their listens include NET_CAPABILITY_FOREGROUND. That way, they will get |
| 4330 | // onLost and onAvailable callbacks when networks move in and out of the background. |
| 4331 | // There is no need to do this for requests because an app without CHANGE_NETWORK_STATE |
| 4332 | // can't request networks. |
| 4333 | nc.addCapability(NET_CAPABILITY_FOREGROUND); |
| 4334 | } |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 4335 | ensureValidNetworkSpecifier(networkCapabilities); |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 4336 | |
Lorenzo Colitti | fbe9b1a | 2016-07-28 17:14:11 +0900 | [diff] [blame] | 4337 | NetworkRequest networkRequest = new NetworkRequest(nc, TYPE_NONE, nextNetworkRequestId(), |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4338 | NetworkRequest.Type.LISTEN); |
| 4339 | NetworkRequestInfo nri = new NetworkRequestInfo(messenger, networkRequest, binder); |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4340 | if (VDBG) log("listenForNetwork for " + nri); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4341 | |
| 4342 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_LISTENER, nri)); |
| 4343 | return networkRequest; |
| 4344 | } |
| 4345 | |
| 4346 | @Override |
| 4347 | public void pendingListenForNetwork(NetworkCapabilities networkCapabilities, |
| 4348 | PendingIntent operation) { |
Paul Jensen | 694f2b8 | 2015-06-17 14:15:39 -0400 | [diff] [blame] | 4349 | checkNotNull(operation, "PendingIntent cannot be null."); |
| 4350 | if (!hasWifiNetworkListenPermission(networkCapabilities)) { |
| 4351 | enforceAccessPermission(); |
| 4352 | } |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 4353 | ensureValidNetworkSpecifier(networkCapabilities); |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 4354 | |
Erik Kline | 7523eb3 | 2015-07-09 18:24:03 +0900 | [diff] [blame] | 4355 | NetworkRequest networkRequest = new NetworkRequest( |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 4356 | new NetworkCapabilities(networkCapabilities), TYPE_NONE, nextNetworkRequestId(), |
| 4357 | NetworkRequest.Type.LISTEN); |
| 4358 | NetworkRequestInfo nri = new NetworkRequestInfo(networkRequest, operation); |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4359 | if (VDBG) log("pendingListenForNetwork for " + nri); |
Paul Jensen | 694f2b8 | 2015-06-17 14:15:39 -0400 | [diff] [blame] | 4360 | |
| 4361 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_LISTENER, nri)); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4362 | } |
| 4363 | |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 4364 | @Override |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4365 | public void releaseNetworkRequest(NetworkRequest networkRequest) { |
Lorenzo Colitti | 1ec11eb | 2016-07-05 01:22:13 +0900 | [diff] [blame] | 4366 | ensureNetworkRequestHasType(networkRequest); |
Erik Kline | acdd639 | 2016-07-07 16:50:58 +0900 | [diff] [blame] | 4367 | mHandler.sendMessage(mHandler.obtainMessage( |
| 4368 | EVENT_RELEASE_NETWORK_REQUEST, getCallingUid(), 0, networkRequest)); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4369 | } |
| 4370 | |
| 4371 | @Override |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4372 | public void registerNetworkFactory(Messenger messenger, String name) { |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 4373 | enforceConnectivityInternalPermission(); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4374 | NetworkFactoryInfo nfi = new NetworkFactoryInfo(name, messenger, new AsyncChannel()); |
| 4375 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_FACTORY, nfi)); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 4376 | } |
| 4377 | |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4378 | private void handleRegisterNetworkFactory(NetworkFactoryInfo nfi) { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4379 | if (DBG) log("Got NetworkFactory Messenger for " + nfi.name); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4380 | mNetworkFactoryInfos.put(nfi.messenger, nfi); |
| 4381 | nfi.asyncChannel.connect(mContext, mTrackerHandler, nfi.messenger); |
| 4382 | } |
| 4383 | |
| 4384 | @Override |
| 4385 | public void unregisterNetworkFactory(Messenger messenger) { |
| 4386 | enforceConnectivityInternalPermission(); |
| 4387 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_UNREGISTER_NETWORK_FACTORY, messenger)); |
| 4388 | } |
| 4389 | |
| 4390 | private void handleUnregisterNetworkFactory(Messenger messenger) { |
| 4391 | NetworkFactoryInfo nfi = mNetworkFactoryInfos.remove(messenger); |
| 4392 | if (nfi == null) { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4393 | loge("Failed to find Messenger in unregisterNetworkFactory"); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4394 | return; |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4395 | } |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4396 | if (DBG) log("unregisterNetworkFactory for " + nfi.name); |
Robert Greenwalt | e049c23 | 2014-04-11 15:53:27 -0700 | [diff] [blame] | 4397 | } |
| 4398 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4399 | /** |
| 4400 | * NetworkAgentInfo supporting a request by requestId. |
| 4401 | * These have already been vetted (their Capabilities satisfy the request) |
| 4402 | * and the are the highest scored network available. |
| 4403 | * the are keyed off the Requests requestId. |
| 4404 | */ |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4405 | // TODO: Yikes, this is accessed on multiple threads: add synchronization. |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4406 | private final SparseArray<NetworkAgentInfo> mNetworkForRequestId = |
| 4407 | new SparseArray<NetworkAgentInfo>(); |
| 4408 | |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4409 | // NOTE: Accessed on multiple threads, must be synchronized on itself. |
| 4410 | @GuardedBy("mNetworkForNetId") |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4411 | private final SparseArray<NetworkAgentInfo> mNetworkForNetId = |
| 4412 | new SparseArray<NetworkAgentInfo>(); |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4413 | // NOTE: Accessed on multiple threads, synchronized with mNetworkForNetId. |
| 4414 | // An entry is first added to mNetIdInUse, prior to mNetworkForNetId, so |
| 4415 | // there may not be a strict 1:1 correlation between the two. |
| 4416 | @GuardedBy("mNetworkForNetId") |
| 4417 | private final SparseBooleanArray mNetIdInUse = new SparseBooleanArray(); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4418 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4419 | // NetworkAgentInfo keyed off its connecting messenger |
| 4420 | // TODO - eval if we can reduce the number of lists/hashmaps/sparsearrays |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4421 | // NOTE: Only should be accessed on ConnectivityServiceThread, except dump(). |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4422 | private final HashMap<Messenger, NetworkAgentInfo> mNetworkAgentInfos = |
| 4423 | new HashMap<Messenger, NetworkAgentInfo>(); |
| 4424 | |
Lorenzo Colitti | c1a6ce7 | 2016-01-22 04:04:57 +0900 | [diff] [blame] | 4425 | @GuardedBy("mBlockedAppUids") |
| 4426 | private final HashSet<Integer> mBlockedAppUids = new HashSet(); |
| 4427 | |
Paul Jensen | 2c311d6 | 2014-11-17 12:34:51 -0500 | [diff] [blame] | 4428 | // Note: if mDefaultRequest is changed, NetworkMonitor needs to be updated. |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4429 | private final NetworkRequest mDefaultRequest; |
| 4430 | |
Erik Kline | da4bfa8 | 2015-04-30 12:58:40 +0900 | [diff] [blame] | 4431 | // Request used to optionally keep mobile data active even when higher |
| 4432 | // priority networks like Wi-Fi are active. |
| 4433 | private final NetworkRequest mDefaultMobileDataRequest; |
| 4434 | |
Lorenzo Colitti | 403aa26 | 2014-11-28 11:21:30 +0900 | [diff] [blame] | 4435 | private NetworkAgentInfo getDefaultNetwork() { |
| 4436 | return mNetworkForRequestId.get(mDefaultRequest.requestId); |
| 4437 | } |
| 4438 | |
Robert Greenwalt | bf4eed7 | 2014-08-06 21:32:18 -0700 | [diff] [blame] | 4439 | private boolean isDefaultNetwork(NetworkAgentInfo nai) { |
Lorenzo Colitti | 403aa26 | 2014-11-28 11:21:30 +0900 | [diff] [blame] | 4440 | return nai == getDefaultNetwork(); |
Robert Greenwalt | bf4eed7 | 2014-08-06 21:32:18 -0700 | [diff] [blame] | 4441 | } |
| 4442 | |
Lorenzo Colitti | 5526f9c | 2016-08-22 16:46:40 +0900 | [diff] [blame] | 4443 | private boolean isDefaultRequest(NetworkRequestInfo nri) { |
| 4444 | return nri.request.requestId == mDefaultRequest.requestId; |
| 4445 | } |
| 4446 | |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4447 | public int registerNetworkAgent(Messenger messenger, NetworkInfo networkInfo, |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4448 | LinkProperties linkProperties, NetworkCapabilities networkCapabilities, |
Sreeram Ramachandran | 8cd33ed | 2014-07-23 15:23:15 -0700 | [diff] [blame] | 4449 | int currentScore, NetworkMisc networkMisc) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4450 | enforceConnectivityInternalPermission(); |
| 4451 | |
Paul Jensen | 2c311d6 | 2014-11-17 12:34:51 -0500 | [diff] [blame] | 4452 | // TODO: Instead of passing mDefaultRequest, provide an API to determine whether a Network |
| 4453 | // satisfies mDefaultRequest. |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 4454 | final NetworkAgentInfo nai = new NetworkAgentInfo(messenger, new AsyncChannel(), |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4455 | new Network(reserveNetId()), new NetworkInfo(networkInfo), new LinkProperties( |
| 4456 | linkProperties), new NetworkCapabilities(networkCapabilities), currentScore, |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 4457 | mContext, mTrackerHandler, new NetworkMisc(networkMisc), mDefaultRequest, this); |
Robert Greenwalt | fb68f8f | 2014-08-13 13:43:32 -0700 | [diff] [blame] | 4458 | synchronized (this) { |
| 4459 | nai.networkMonitor.systemReady = mSystemReady; |
| 4460 | } |
Paul Jensen | 0808eb8 | 2016-06-03 13:51:21 -0400 | [diff] [blame] | 4461 | addValidationLogs(nai.networkMonitor.getValidationLogs(), nai.network, |
| 4462 | networkInfo.getExtraInfo()); |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4463 | if (DBG) log("registerNetworkAgent " + nai); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4464 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_AGENT, nai)); |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4465 | return nai.network.netId; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4466 | } |
| 4467 | |
| 4468 | private void handleRegisterNetworkAgent(NetworkAgentInfo na) { |
| 4469 | if (VDBG) log("Got NetworkAgent Messenger"); |
| 4470 | mNetworkAgentInfos.put(na.messenger, na); |
Paul Jensen | 31a94f4 | 2015-02-13 14:18:39 -0500 | [diff] [blame] | 4471 | synchronized (mNetworkForNetId) { |
| 4472 | mNetworkForNetId.put(na.network.netId, na); |
| 4473 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4474 | na.asyncChannel.connect(mContext, mTrackerHandler, na.messenger); |
| 4475 | NetworkInfo networkInfo = na.networkInfo; |
| 4476 | na.networkInfo = null; |
| 4477 | updateNetworkInfo(na, networkInfo); |
| 4478 | } |
| 4479 | |
| 4480 | private void updateLinkProperties(NetworkAgentInfo networkAgent, LinkProperties oldLp) { |
| 4481 | LinkProperties newLp = networkAgent.linkProperties; |
| 4482 | int netId = networkAgent.network.netId; |
| 4483 | |
Lorenzo Colitti | 1df5fa5 | 2014-09-20 13:47:47 +0900 | [diff] [blame] | 4484 | // The NetworkAgentInfo does not know whether clatd is running on its network or not. Before |
| 4485 | // we do anything else, make sure its LinkProperties are accurate. |
Lorenzo Colitti | 9543946 | 2014-10-09 13:44:48 +0900 | [diff] [blame] | 4486 | if (networkAgent.clatd != null) { |
| 4487 | networkAgent.clatd.fixupLinkProperties(oldLp); |
| 4488 | } |
Lorenzo Colitti | 1df5fa5 | 2014-09-20 13:47:47 +0900 | [diff] [blame] | 4489 | |
Joel Scherpelz | b369bf5 | 2017-05-22 13:47:41 +0900 | [diff] [blame^] | 4490 | updateInterfaces(newLp, oldLp, netId, networkAgent.networkCapabilities); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4491 | updateMtu(newLp, oldLp); |
| 4492 | // TODO - figure out what to do for clat |
| 4493 | // for (LinkProperties lp : newLp.getStackedLinks()) { |
| 4494 | // updateMtu(lp, null); |
| 4495 | // } |
Lorenzo Colitti | 1df5fa5 | 2014-09-20 13:47:47 +0900 | [diff] [blame] | 4496 | updateTcpBufferSizes(networkAgent); |
Lorenzo Colitti | 829dfa7 | 2014-11-28 20:07:46 +0900 | [diff] [blame] | 4497 | |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4498 | updateRoutes(newLp, oldLp, netId); |
| 4499 | updateDnses(newLp, oldLp, netId); |
Lorenzo Colitti | 829dfa7 | 2014-11-28 20:07:46 +0900 | [diff] [blame] | 4500 | |
Paul Jensen | 3b75982 | 2014-05-13 11:44:01 -0400 | [diff] [blame] | 4501 | updateClat(newLp, oldLp, networkAgent); |
Paul Jensen | e0bef71 | 2014-12-10 15:12:18 -0500 | [diff] [blame] | 4502 | if (isDefaultNetwork(networkAgent)) { |
| 4503 | handleApplyDefaultProxy(newLp.getHttpProxy()); |
| 4504 | } else { |
| 4505 | updateProxy(newLp, oldLp, networkAgent); |
| 4506 | } |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4507 | // TODO - move this check to cover the whole function |
| 4508 | if (!Objects.equals(newLp, oldLp)) { |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 4509 | notifyIfacesChangedForNetworkStats(); |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4510 | notifyNetworkCallbacks(networkAgent, ConnectivityManager.CALLBACK_IP_CHANGED); |
| 4511 | } |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 4512 | |
| 4513 | mKeepaliveTracker.handleCheckKeepalivesStillValid(networkAgent); |
Paul Jensen | 3b75982 | 2014-05-13 11:44:01 -0400 | [diff] [blame] | 4514 | } |
| 4515 | |
Lorenzo Colitti | 9543946 | 2014-10-09 13:44:48 +0900 | [diff] [blame] | 4516 | private void updateClat(LinkProperties newLp, LinkProperties oldLp, NetworkAgentInfo nai) { |
| 4517 | final boolean wasRunningClat = nai.clatd != null && nai.clatd.isStarted(); |
| 4518 | final boolean shouldRunClat = Nat464Xlat.requiresClat(nai); |
Paul Jensen | 3b75982 | 2014-05-13 11:44:01 -0400 | [diff] [blame] | 4519 | |
Lorenzo Colitti | 1df5fa5 | 2014-09-20 13:47:47 +0900 | [diff] [blame] | 4520 | if (!wasRunningClat && shouldRunClat) { |
Lorenzo Colitti | 9543946 | 2014-10-09 13:44:48 +0900 | [diff] [blame] | 4521 | nai.clatd = new Nat464Xlat(mContext, mNetd, mTrackerHandler, nai); |
| 4522 | nai.clatd.start(); |
Lorenzo Colitti | 1df5fa5 | 2014-09-20 13:47:47 +0900 | [diff] [blame] | 4523 | } else if (wasRunningClat && !shouldRunClat) { |
Lorenzo Colitti | 9543946 | 2014-10-09 13:44:48 +0900 | [diff] [blame] | 4524 | nai.clatd.stop(); |
Paul Jensen | 3b75982 | 2014-05-13 11:44:01 -0400 | [diff] [blame] | 4525 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4526 | } |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 4527 | |
Joel Scherpelz | b369bf5 | 2017-05-22 13:47:41 +0900 | [diff] [blame^] | 4528 | private void wakeupAddInterface(String iface, NetworkCapabilities caps) throws RemoteException { |
| 4529 | // Marks are only available on WiFi interaces. Checking for |
| 4530 | // marks on unsupported interfaces is harmless. |
| 4531 | if (!caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) { |
| 4532 | return; |
| 4533 | } |
| 4534 | mNetd.getNetdService().wakeupAddInterface( |
| 4535 | iface, "iface:" + iface, mWakeupPacketMark, mWakeupPacketMask); |
| 4536 | } |
| 4537 | |
| 4538 | private void wakeupDelInterface(String iface, NetworkCapabilities caps) throws RemoteException { |
| 4539 | if (!caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) { |
| 4540 | return; |
| 4541 | } |
| 4542 | mNetd.getNetdService().wakeupDelInterface( |
| 4543 | iface, "iface:" + iface, mWakeupPacketMark, mWakeupPacketMask); |
| 4544 | } |
| 4545 | |
| 4546 | private void updateInterfaces(LinkProperties newLp, LinkProperties oldLp, int netId, |
| 4547 | NetworkCapabilities caps) { |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 4548 | CompareResult<String> interfaceDiff = new CompareResult<String>(); |
| 4549 | if (oldLp != null) { |
| 4550 | interfaceDiff = oldLp.compareAllInterfaceNames(newLp); |
| 4551 | } else if (newLp != null) { |
| 4552 | interfaceDiff.added = newLp.getAllInterfaceNames(); |
| 4553 | } |
| 4554 | for (String iface : interfaceDiff.added) { |
| 4555 | try { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4556 | if (DBG) log("Adding iface " + iface + " to network " + netId); |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 4557 | mNetd.addInterfaceToNetwork(iface, netId); |
Joel Scherpelz | b369bf5 | 2017-05-22 13:47:41 +0900 | [diff] [blame^] | 4558 | wakeupAddInterface(iface, caps); |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 4559 | } catch (Exception e) { |
| 4560 | loge("Exception adding interface: " + e); |
| 4561 | } |
| 4562 | } |
| 4563 | for (String iface : interfaceDiff.removed) { |
| 4564 | try { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4565 | if (DBG) log("Removing iface " + iface + " from network " + netId); |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 4566 | mNetd.removeInterfaceFromNetwork(iface, netId); |
Joel Scherpelz | b369bf5 | 2017-05-22 13:47:41 +0900 | [diff] [blame^] | 4567 | wakeupDelInterface(iface, caps); |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 4568 | } catch (Exception e) { |
| 4569 | loge("Exception removing interface: " + e); |
| 4570 | } |
| 4571 | } |
| 4572 | } |
| 4573 | |
Paul Jensen | 5fb2c6ff | 2014-08-06 15:51:33 -0400 | [diff] [blame] | 4574 | /** |
| 4575 | * Have netd update routes from oldLp to newLp. |
| 4576 | * @return true if routes changed between oldLp and newLp |
| 4577 | */ |
| 4578 | private boolean updateRoutes(LinkProperties newLp, LinkProperties oldLp, int netId) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4579 | CompareResult<RouteInfo> routeDiff = new CompareResult<RouteInfo>(); |
| 4580 | if (oldLp != null) { |
| 4581 | routeDiff = oldLp.compareAllRoutes(newLp); |
| 4582 | } else if (newLp != null) { |
| 4583 | routeDiff.added = newLp.getAllRoutes(); |
| 4584 | } |
| 4585 | |
| 4586 | // add routes before removing old in case it helps with continuous connectivity |
| 4587 | |
| 4588 | // do this twice, adding non-nexthop routes first, then routes they are dependent on |
| 4589 | for (RouteInfo route : routeDiff.added) { |
| 4590 | if (route.hasGateway()) continue; |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4591 | if (VDBG) log("Adding Route [" + route + "] to network " + netId); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4592 | try { |
| 4593 | mNetd.addRoute(netId, route); |
| 4594 | } catch (Exception e) { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4595 | if ((route.getDestination().getAddress() instanceof Inet4Address) || VDBG) { |
| 4596 | loge("Exception in addRoute for non-gateway: " + e); |
| 4597 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4598 | } |
| 4599 | } |
| 4600 | for (RouteInfo route : routeDiff.added) { |
| 4601 | if (route.hasGateway() == false) continue; |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4602 | if (VDBG) log("Adding Route [" + route + "] to network " + netId); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4603 | try { |
| 4604 | mNetd.addRoute(netId, route); |
| 4605 | } catch (Exception e) { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4606 | if ((route.getGateway() instanceof Inet4Address) || VDBG) { |
| 4607 | loge("Exception in addRoute for gateway: " + e); |
| 4608 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4609 | } |
| 4610 | } |
| 4611 | |
| 4612 | for (RouteInfo route : routeDiff.removed) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4613 | if (VDBG) log("Removing Route [" + route + "] from network " + netId); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4614 | try { |
| 4615 | mNetd.removeRoute(netId, route); |
| 4616 | } catch (Exception e) { |
| 4617 | loge("Exception in removeRoute: " + e); |
| 4618 | } |
| 4619 | } |
Paul Jensen | 5fb2c6ff | 2014-08-06 15:51:33 -0400 | [diff] [blame] | 4620 | return !routeDiff.added.isEmpty() || !routeDiff.removed.isEmpty(); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4621 | } |
Erik Kline | 4136850 | 2015-06-17 13:19:54 +0900 | [diff] [blame] | 4622 | |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4623 | private void updateDnses(LinkProperties newLp, LinkProperties oldLp, int netId) { |
| 4624 | if (oldLp != null && newLp.isIdenticalDnses(oldLp)) { |
| 4625 | return; // no updating necessary |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4626 | } |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4627 | |
| 4628 | Collection<InetAddress> dnses = newLp.getDnsServers(); |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4629 | if (DBG) log("Setting DNS servers for network " + netId + " to " + dnses); |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4630 | try { |
Pierre Imai | bd8759b | 2016-04-28 17:00:04 +0900 | [diff] [blame] | 4631 | mNetd.setDnsConfigurationForNetwork( |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4632 | netId, NetworkUtils.makeStrings(dnses), newLp.getDomains()); |
| 4633 | } catch (Exception e) { |
Pierre Imai | bd8759b | 2016-04-28 17:00:04 +0900 | [diff] [blame] | 4634 | loge("Exception in setDnsConfigurationForNetwork: " + e); |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4635 | } |
Lorenzo Colitti | c02ac73 | 2017-01-06 10:25:02 +0900 | [diff] [blame] | 4636 | final NetworkAgentInfo defaultNai = getDefaultNetwork(); |
| 4637 | if (defaultNai != null && defaultNai.network.netId == netId) { |
| 4638 | setDefaultDnsSystemProperties(dnses); |
| 4639 | } |
Erik Kline | 9488787 | 2016-04-05 13:30:49 +0900 | [diff] [blame] | 4640 | flushVmDnsCache(); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4641 | } |
| 4642 | |
Lorenzo Colitti | c02ac73 | 2017-01-06 10:25:02 +0900 | [diff] [blame] | 4643 | private void setDefaultDnsSystemProperties(Collection<InetAddress> dnses) { |
| 4644 | int last = 0; |
| 4645 | for (InetAddress dns : dnses) { |
| 4646 | ++last; |
Erik Kline | 4edba01 | 2017-04-07 15:29:29 +0900 | [diff] [blame] | 4647 | setNetDnsProperty(last, dns.getHostAddress()); |
Lorenzo Colitti | c02ac73 | 2017-01-06 10:25:02 +0900 | [diff] [blame] | 4648 | } |
| 4649 | for (int i = last + 1; i <= mNumDnsEntries; ++i) { |
Erik Kline | 4edba01 | 2017-04-07 15:29:29 +0900 | [diff] [blame] | 4650 | setNetDnsProperty(i, ""); |
Lorenzo Colitti | c02ac73 | 2017-01-06 10:25:02 +0900 | [diff] [blame] | 4651 | } |
| 4652 | mNumDnsEntries = last; |
| 4653 | } |
| 4654 | |
Erik Kline | 4edba01 | 2017-04-07 15:29:29 +0900 | [diff] [blame] | 4655 | private void setNetDnsProperty(int which, String value) { |
| 4656 | final String key = "net.dns" + which; |
| 4657 | // Log and forget errors setting unsupported properties. |
| 4658 | try { |
| 4659 | mSystemProperties.set(key, value); |
| 4660 | } catch (Exception e) { |
| 4661 | Log.e(TAG, "Error setting unsupported net.dns property: ", e); |
| 4662 | } |
| 4663 | } |
| 4664 | |
Lorenzo Colitti | fbe9b1a | 2016-07-28 17:14:11 +0900 | [diff] [blame] | 4665 | private String getNetworkPermission(NetworkCapabilities nc) { |
| 4666 | // TODO: make these permission strings AIDL constants instead. |
| 4667 | if (!nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED)) { |
| 4668 | return NetworkManagementService.PERMISSION_SYSTEM; |
| 4669 | } |
| 4670 | if (!nc.hasCapability(NET_CAPABILITY_FOREGROUND)) { |
| 4671 | return NetworkManagementService.PERMISSION_NETWORK; |
| 4672 | } |
| 4673 | return null; |
| 4674 | } |
| 4675 | |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 4676 | /** |
| 4677 | * Update the NetworkCapabilities for {@code networkAgent} to {@code networkCapabilities} |
| 4678 | * augmented with any stateful capabilities implied from {@code networkAgent} |
| 4679 | * (e.g., validated status and captive portal status). |
| 4680 | * |
Hugo Benichi | f15b282 | 2016-09-15 18:18:48 +0900 | [diff] [blame] | 4681 | * @param oldScore score of the network before any of the changes that prompted us |
| 4682 | * to call this function. |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 4683 | * @param nai the network having its capabilities updated. |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 4684 | * @param networkCapabilities the new network capabilities. |
| 4685 | */ |
Hugo Benichi | f15b282 | 2016-09-15 18:18:48 +0900 | [diff] [blame] | 4686 | private void updateCapabilities( |
| 4687 | int oldScore, NetworkAgentInfo nai, NetworkCapabilities networkCapabilities) { |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4688 | if (nai.everConnected && !nai.networkCapabilities.equalImmutableCapabilities( |
| 4689 | networkCapabilities)) { |
| 4690 | Slog.wtf(TAG, "BUG: " + nai + " changed immutable capabilities: " |
| 4691 | + nai.networkCapabilities + " -> " + networkCapabilities); |
| 4692 | } |
| 4693 | |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 4694 | // Don't modify caller's NetworkCapabilities. |
| 4695 | networkCapabilities = new NetworkCapabilities(networkCapabilities); |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 4696 | if (nai.lastValidated) { |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 4697 | networkCapabilities.addCapability(NET_CAPABILITY_VALIDATED); |
| 4698 | } else { |
| 4699 | networkCapabilities.removeCapability(NET_CAPABILITY_VALIDATED); |
| 4700 | } |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 4701 | if (nai.lastCaptivePortalDetected) { |
Paul Jensen | 3d194ea | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 4702 | networkCapabilities.addCapability(NET_CAPABILITY_CAPTIVE_PORTAL); |
| 4703 | } else { |
| 4704 | networkCapabilities.removeCapability(NET_CAPABILITY_CAPTIVE_PORTAL); |
| 4705 | } |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4706 | if (nai.isBackgroundNetwork()) { |
| 4707 | networkCapabilities.removeCapability(NET_CAPABILITY_FOREGROUND); |
| 4708 | } else { |
| 4709 | networkCapabilities.addCapability(NET_CAPABILITY_FOREGROUND); |
| 4710 | } |
| 4711 | |
| 4712 | if (Objects.equals(nai.networkCapabilities, networkCapabilities)) return; |
| 4713 | |
Lorenzo Colitti | fbe9b1a | 2016-07-28 17:14:11 +0900 | [diff] [blame] | 4714 | final String oldPermission = getNetworkPermission(nai.networkCapabilities); |
| 4715 | final String newPermission = getNetworkPermission(networkCapabilities); |
| 4716 | if (!Objects.equals(oldPermission, newPermission) && nai.created && !nai.isVPN()) { |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4717 | try { |
Lorenzo Colitti | fbe9b1a | 2016-07-28 17:14:11 +0900 | [diff] [blame] | 4718 | mNetd.setNetworkPermission(nai.network.netId, newPermission); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4719 | } catch (RemoteException e) { |
| 4720 | loge("Exception in setNetworkPermission: " + e); |
Paul Jensen | 487ffe7 | 2015-07-24 15:57:11 -0400 | [diff] [blame] | 4721 | } |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4722 | } |
| 4723 | |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4724 | final NetworkCapabilities prevNc = nai.networkCapabilities; |
| 4725 | synchronized (nai) { |
| 4726 | nai.networkCapabilities = networkCapabilities; |
| 4727 | } |
| 4728 | if (nai.getCurrentScore() == oldScore && |
| 4729 | networkCapabilities.equalRequestableCapabilities(prevNc)) { |
| 4730 | // If the requestable capabilities haven't changed, and the score hasn't changed, then |
| 4731 | // the change we're processing can't affect any requests, it can only affect the listens |
| 4732 | // on this network. We might have been called by rematchNetworkAndRequests when a |
| 4733 | // network changed foreground state. |
| 4734 | processListenRequests(nai, true); |
| 4735 | } else { |
| 4736 | // If the requestable capabilities have changed or the score changed, we can't have been |
| 4737 | // called by rematchNetworkAndRequests, so it's safe to start a rematch. |
Paul Jensen | e098854 | 2015-06-25 15:30:08 -0400 | [diff] [blame] | 4738 | rematchAllNetworksAndRequests(nai, oldScore); |
| 4739 | notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_CAP_CHANGED); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 4740 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4741 | } |
| 4742 | |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 4743 | private void sendUpdatedScoreToFactories(NetworkAgentInfo nai) { |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 4744 | for (int i = 0; i < nai.numNetworkRequests(); i++) { |
| 4745 | NetworkRequest nr = nai.requestAt(i); |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 4746 | // Don't send listening requests to factories. b/17393458 |
Lorenzo Colitti | f4a45f4 | 2016-07-18 18:17:08 +0900 | [diff] [blame] | 4747 | if (nr.isListen()) continue; |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 4748 | sendUpdatedScoreToFactories(nr, nai.getCurrentScore()); |
| 4749 | } |
| 4750 | } |
| 4751 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4752 | private void sendUpdatedScoreToFactories(NetworkRequest networkRequest, int score) { |
| 4753 | if (VDBG) log("sending new Min Network Score(" + score + "): " + networkRequest.toString()); |
Robert Greenwalt | a67be03 | 2014-05-16 15:49:14 -0700 | [diff] [blame] | 4754 | for (NetworkFactoryInfo nfi : mNetworkFactoryInfos.values()) { |
Robert Greenwalt | 55691b8 | 2014-05-27 13:20:24 -0700 | [diff] [blame] | 4755 | nfi.asyncChannel.sendMessage(android.net.NetworkFactory.CMD_REQUEST_NETWORK, score, 0, |
| 4756 | networkRequest); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4757 | } |
| 4758 | } |
| 4759 | |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4760 | private void sendPendingIntentForRequest(NetworkRequestInfo nri, NetworkAgentInfo networkAgent, |
| 4761 | int notificationType) { |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 4762 | if (notificationType == ConnectivityManager.CALLBACK_AVAILABLE && !nri.mPendingIntentSent) { |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4763 | Intent intent = new Intent(); |
Jeremy Joslin | a68e7d7 | 2014-11-26 14:24:15 -0800 | [diff] [blame] | 4764 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK, networkAgent.network); |
| 4765 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_REQUEST, nri.request); |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 4766 | nri.mPendingIntentSent = true; |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4767 | sendIntent(nri.mPendingIntent, intent); |
| 4768 | } |
| 4769 | // else not handled |
| 4770 | } |
| 4771 | |
| 4772 | private void sendIntent(PendingIntent pendingIntent, Intent intent) { |
| 4773 | mPendingIntentWakeLock.acquire(); |
| 4774 | try { |
| 4775 | if (DBG) log("Sending " + pendingIntent); |
| 4776 | pendingIntent.send(mContext, 0, intent, this /* onFinished */, null /* Handler */); |
| 4777 | } catch (PendingIntent.CanceledException e) { |
| 4778 | if (DBG) log(pendingIntent + " was not sent, it had been canceled."); |
| 4779 | mPendingIntentWakeLock.release(); |
| 4780 | releasePendingNetworkRequest(pendingIntent); |
| 4781 | } |
| 4782 | // ...otherwise, mPendingIntentWakeLock.release() gets called by onSendFinished() |
| 4783 | } |
| 4784 | |
| 4785 | @Override |
| 4786 | public void onSendFinished(PendingIntent pendingIntent, Intent intent, int resultCode, |
| 4787 | String resultData, Bundle resultExtras) { |
| 4788 | if (DBG) log("Finished sending " + pendingIntent); |
| 4789 | mPendingIntentWakeLock.release(); |
Jeremy Joslin | 7929484 | 2014-12-03 17:15:28 -0800 | [diff] [blame] | 4790 | // Release with a delay so the receiving client has an opportunity to put in its |
| 4791 | // own request. |
| 4792 | releasePendingNetworkRequestWithDelay(pendingIntent); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 4793 | } |
| 4794 | |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4795 | private static void callCallbackForRequest(NetworkRequestInfo nri, |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4796 | NetworkAgentInfo networkAgent, int notificationType, int arg1) { |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4797 | if (nri.messenger == null) { |
| 4798 | return; // Default request has no msgr |
| 4799 | } |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4800 | Bundle bundle = new Bundle(); |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4801 | // TODO: check if defensive copies of data is needed. |
| 4802 | putParcelable(bundle, new NetworkRequest(nri.request)); |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4803 | Message msg = Message.obtain(); |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4804 | if (notificationType != ConnectivityManager.CALLBACK_UNAVAIL) { |
| 4805 | putParcelable(bundle, networkAgent.network); |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4806 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4807 | switch (notificationType) { |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4808 | case ConnectivityManager.CALLBACK_LOSING: { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4809 | msg.arg1 = arg1; |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4810 | break; |
| 4811 | } |
| 4812 | case ConnectivityManager.CALLBACK_CAP_CHANGED: { |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4813 | putParcelable(bundle, new NetworkCapabilities(networkAgent.networkCapabilities)); |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4814 | break; |
| 4815 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4816 | case ConnectivityManager.CALLBACK_IP_CHANGED: { |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4817 | putParcelable(bundle, new LinkProperties(networkAgent.linkProperties)); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4818 | break; |
| 4819 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4820 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4821 | msg.what = notificationType; |
Robert Greenwalt | a848c1c | 2014-09-30 16:50:07 -0700 | [diff] [blame] | 4822 | msg.setData(bundle); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4823 | try { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4824 | if (VDBG) { |
Hugo Benichi | a038568 | 2017-03-22 17:07:57 +0900 | [diff] [blame] | 4825 | String notification = ConnectivityManager.getCallbackName(notificationType); |
| 4826 | log("sending notification " + notification + " for " + nri.request); |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4827 | } |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4828 | nri.messenger.send(msg); |
| 4829 | } catch (RemoteException e) { |
| 4830 | // may occur naturally in the race of binder death. |
| 4831 | loge("RemoteException caught trying to send a callback msg for " + nri.request); |
| 4832 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4833 | } |
| 4834 | |
Hugo Benichi | dba33db | 2017-03-23 22:40:44 +0900 | [diff] [blame] | 4835 | private static <T extends Parcelable> void putParcelable(Bundle bundle, T t) { |
| 4836 | bundle.putParcelable(t.getClass().getSimpleName(), t); |
| 4837 | } |
| 4838 | |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 4839 | private void teardownUnneededNetwork(NetworkAgentInfo nai) { |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 4840 | if (nai.numRequestNetworkRequests() != 0) { |
| 4841 | for (int i = 0; i < nai.numNetworkRequests(); i++) { |
| 4842 | NetworkRequest nr = nai.requestAt(i); |
| 4843 | // Ignore listening requests. |
Lorenzo Colitti | f4a45f4 | 2016-07-18 18:17:08 +0900 | [diff] [blame] | 4844 | if (nr.isListen()) continue; |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 4845 | loge("Dead network still had at least " + nr); |
| 4846 | break; |
| 4847 | } |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 4848 | } |
| 4849 | nai.asyncChannel.disconnect(); |
| 4850 | } |
| 4851 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4852 | private void handleLingerComplete(NetworkAgentInfo oldNetwork) { |
| 4853 | if (oldNetwork == null) { |
| 4854 | loge("Unknown NetworkAgentInfo in handleLingerComplete"); |
| 4855 | return; |
| 4856 | } |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 4857 | if (DBG) log("handleLingerComplete for " + oldNetwork.name()); |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4858 | |
| 4859 | // If we get here it means that the last linger timeout for this network expired. So there |
| 4860 | // must be no other active linger timers, and we must stop lingering. |
| 4861 | oldNetwork.clearLingerState(); |
| 4862 | |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 4863 | if (unneeded(oldNetwork, UnneededFor.TEARDOWN)) { |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4864 | // Tear the network down. |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4865 | teardownUnneededNetwork(oldNetwork); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4866 | } else { |
| 4867 | // Put the network in the background. |
Lorenzo Colitti | b8167f6 | 2016-09-15 22:47:08 +0900 | [diff] [blame] | 4868 | updateCapabilities(oldNetwork.getCurrentScore(), oldNetwork, |
| 4869 | oldNetwork.networkCapabilities); |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4870 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4871 | } |
| 4872 | |
Hugo Benichi | 1654b1d | 2016-05-24 11:50:31 +0900 | [diff] [blame] | 4873 | private void makeDefault(NetworkAgentInfo newNetwork) { |
Robert Greenwalt | fc0c689 | 2014-08-27 14:34:02 -0700 | [diff] [blame] | 4874 | if (DBG) log("Switching to new default network: " + newNetwork); |
Paul Jensen | 27b02b7 | 2014-07-14 12:03:33 -0400 | [diff] [blame] | 4875 | setupDataActivityTracking(newNetwork); |
| 4876 | try { |
| 4877 | mNetd.setDefaultNetId(newNetwork.network.netId); |
| 4878 | } catch (Exception e) { |
| 4879 | loge("Exception setting default network :" + e); |
| 4880 | } |
Lorenzo Colitti | 0cb7903 | 2014-10-15 16:06:07 +0900 | [diff] [blame] | 4881 | notifyLockdownVpn(newNetwork); |
Paul Jensen | 27b02b7 | 2014-07-14 12:03:33 -0400 | [diff] [blame] | 4882 | handleApplyDefaultProxy(newNetwork.linkProperties.getHttpProxy()); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 4883 | updateTcpBufferSizes(newNetwork); |
Lorenzo Colitti | c02ac73 | 2017-01-06 10:25:02 +0900 | [diff] [blame] | 4884 | setDefaultDnsSystemProperties(newNetwork.linkProperties.getDnsServers()); |
Paul Jensen | 27b02b7 | 2014-07-14 12:03:33 -0400 | [diff] [blame] | 4885 | } |
| 4886 | |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4887 | private void processListenRequests(NetworkAgentInfo nai, boolean capabilitiesChanged) { |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 4888 | // For consistency with previous behaviour, send onLost callbacks before onAvailable. |
| 4889 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
| 4890 | NetworkRequest nr = nri.request; |
| 4891 | if (!nr.isListen()) continue; |
| 4892 | if (nai.isSatisfyingRequest(nr.requestId) && !nai.satisfies(nr)) { |
| 4893 | nai.removeRequest(nri.request.requestId); |
| 4894 | callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_LOST, 0); |
| 4895 | } |
| 4896 | } |
| 4897 | |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4898 | if (capabilitiesChanged) { |
| 4899 | notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_CAP_CHANGED); |
| 4900 | } |
| 4901 | |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 4902 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
| 4903 | NetworkRequest nr = nri.request; |
| 4904 | if (!nr.isListen()) continue; |
| 4905 | if (nai.satisfies(nr) && !nai.isSatisfyingRequest(nr.requestId)) { |
| 4906 | nai.addRequest(nr); |
Erik Kline | c75d4fa | 2017-02-15 19:59:17 +0900 | [diff] [blame] | 4907 | notifyNetworkAvailable(nai, nri); |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 4908 | } |
| 4909 | } |
| 4910 | } |
| 4911 | |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 4912 | // Handles a network appearing or improving its score. |
| 4913 | // |
| 4914 | // - Evaluates all current NetworkRequests that can be |
| 4915 | // satisfied by newNetwork, and reassigns to newNetwork |
| 4916 | // any such requests for which newNetwork is the best. |
| 4917 | // |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 4918 | // - Lingers any validated Networks that as a result are no longer |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 4919 | // needed. A network is needed if it is the best network for |
| 4920 | // one or more NetworkRequests, or if it is a VPN. |
| 4921 | // |
Paul Jensen | 4b9b2be | 2014-09-26 10:10:22 -0400 | [diff] [blame] | 4922 | // - Tears down newNetwork if it just became validated |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 4923 | // but turns out to be unneeded. |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 4924 | // |
| 4925 | // - If reapUnvalidatedNetworks==REAP, tears down unvalidated |
| 4926 | // networks that have no chance (i.e. even if validated) |
| 4927 | // of becoming the highest scoring network. |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 4928 | // |
| 4929 | // NOTE: This function only adds NetworkRequests that "newNetwork" could satisfy, |
| 4930 | // it does not remove NetworkRequests that other Networks could better satisfy. |
| 4931 | // If you need to handle decreases in score, use {@link rematchAllNetworksAndRequests}. |
| 4932 | // This function should be used when possible instead of {@code rematchAllNetworksAndRequests} |
| 4933 | // as it performs better by a factor of the number of Networks. |
Paul Jensen | 4b9b2be | 2014-09-26 10:10:22 -0400 | [diff] [blame] | 4934 | // |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 4935 | // @param newNetwork is the network to be matched against NetworkRequests. |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 4936 | // @param reapUnvalidatedNetworks indicates if an additional pass over all networks should be |
| 4937 | // performed to tear down unvalidated networks that have no chance (i.e. even if |
| 4938 | // validated) of becoming the highest scoring network. |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 4939 | private void rematchNetworkAndRequests(NetworkAgentInfo newNetwork, |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4940 | ReapUnvalidatedNetworks reapUnvalidatedNetworks, long now) { |
Robin Lee | 585e248 | 2016-05-01 23:00:00 +0100 | [diff] [blame] | 4941 | if (!newNetwork.everConnected) return; |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 4942 | boolean keep = newNetwork.isVPN(); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4943 | boolean isNewDefault = false; |
Paul Jensen | f4ffaa4 | 2014-12-15 11:56:18 -0500 | [diff] [blame] | 4944 | NetworkAgentInfo oldDefaultNetwork = null; |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4945 | |
| 4946 | final boolean wasBackgroundNetwork = newNetwork.isBackgroundNetwork(); |
| 4947 | final int score = newNetwork.getCurrentScore(); |
| 4948 | |
Robert Greenwalt | a9ebeef | 2015-09-03 16:41:45 -0700 | [diff] [blame] | 4949 | if (VDBG) log("rematching " + newNetwork.name()); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4950 | |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 4951 | // Find and migrate to this Network any NetworkRequests for |
| 4952 | // which this network is now the best. |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4953 | ArrayList<NetworkAgentInfo> affectedNetworks = new ArrayList<NetworkAgentInfo>(); |
Paul Jensen | 3d91146 | 2015-06-12 06:40:24 -0400 | [diff] [blame] | 4954 | ArrayList<NetworkRequestInfo> addedRequests = new ArrayList<NetworkRequestInfo>(); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4955 | NetworkCapabilities nc = newNetwork.networkCapabilities; |
| 4956 | if (VDBG) log(" network has: " + nc); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4957 | for (NetworkRequestInfo nri : mNetworkRequests.values()) { |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 4958 | // Process requests in the first pass and listens in the second pass. This allows us to |
| 4959 | // change a network's capabilities depending on which requests it has. This is only |
| 4960 | // correct if the change in capabilities doesn't affect whether the network satisfies |
| 4961 | // requests or not, and doesn't affect the network's score. |
| 4962 | if (nri.request.isListen()) continue; |
| 4963 | |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 4964 | final NetworkAgentInfo currentNetwork = mNetworkForRequestId.get(nri.request.requestId); |
| 4965 | final boolean satisfies = newNetwork.satisfies(nri.request); |
| 4966 | if (newNetwork == currentNetwork && satisfies) { |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 4967 | if (VDBG) { |
Robert Greenwalt | e73cc46 | 2014-09-07 16:50:01 -0700 | [diff] [blame] | 4968 | log("Network " + newNetwork.name() + " was already satisfying" + |
| 4969 | " request " + nri.request.requestId + ". No change."); |
| 4970 | } |
Lorenzo Colitti | bce0106 | 2014-05-29 14:05:41 +0900 | [diff] [blame] | 4971 | keep = true; |
| 4972 | continue; |
| 4973 | } |
| 4974 | |
| 4975 | // check if it satisfies the NetworkCapabilities |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4976 | if (VDBG) log(" checking if request is satisfied: " + nri.request); |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 4977 | if (satisfies) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4978 | // next check if it's better than any current network we're using for |
| 4979 | // this request |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4980 | if (VDBG) { |
| 4981 | log("currentScore = " + |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 4982 | (currentNetwork != null ? currentNetwork.getCurrentScore() : 0) + |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4983 | ", newScore = " + score); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4984 | } |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 4985 | if (currentNetwork == null || currentNetwork.getCurrentScore() < score) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4986 | if (VDBG) log("rematch for " + newNetwork.name()); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4987 | if (currentNetwork != null) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4988 | if (VDBG) log(" accepting network in place of " + currentNetwork.name()); |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 4989 | currentNetwork.removeRequest(nri.request.requestId); |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4990 | currentNetwork.lingerRequest(nri.request, now, mLingerDelayMs); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4991 | affectedNetworks.add(currentNetwork); |
| 4992 | } else { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 4993 | if (VDBG) log(" accepting network in place of null"); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 4994 | } |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 4995 | newNetwork.unlingerRequest(nri.request); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 4996 | mNetworkForRequestId.put(nri.request.requestId, newNetwork); |
Paul Jensen | 3d91146 | 2015-06-12 06:40:24 -0400 | [diff] [blame] | 4997 | if (!newNetwork.addRequest(nri.request)) { |
| 4998 | Slog.wtf(TAG, "BUG: " + newNetwork.name() + " already has " + nri.request); |
| 4999 | } |
| 5000 | addedRequests.add(nri); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5001 | keep = true; |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5002 | // Tell NetworkFactories about the new score, so they can stop |
| 5003 | // trying to connect if they know they cannot match it. |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5004 | // TODO - this could get expensive if we have alot of requests for this |
| 5005 | // network. Think about if there is a way to reduce this. Push |
| 5006 | // netid->request mapping to each factory? |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 5007 | sendUpdatedScoreToFactories(nri.request, score); |
Lorenzo Colitti | 5526f9c | 2016-08-22 16:46:40 +0900 | [diff] [blame] | 5008 | if (isDefaultRequest(nri)) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5009 | isNewDefault = true; |
Paul Jensen | f4ffaa4 | 2014-12-15 11:56:18 -0500 | [diff] [blame] | 5010 | oldDefaultNetwork = currentNetwork; |
Lorenzo Colitti | c2e10bb | 2016-08-29 14:03:11 +0900 | [diff] [blame] | 5011 | if (currentNetwork != null) { |
| 5012 | mLingerMonitor.noteLingerDefaultNetwork(currentNetwork, newNetwork); |
| 5013 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5014 | } |
| 5015 | } |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 5016 | } else if (newNetwork.isSatisfyingRequest(nri.request.requestId)) { |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5017 | // If "newNetwork" is listed as satisfying "nri" but no longer satisfies "nri", |
| 5018 | // mark it as no longer satisfying "nri". Because networks are processed by |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 5019 | // rematchAllNetworksAndRequests() in descending score order, "currentNetwork" will |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5020 | // match "newNetwork" before this loop will encounter a "currentNetwork" with higher |
| 5021 | // score than "newNetwork" and where "currentNetwork" no longer satisfies "nri". |
| 5022 | // This means this code doesn't have to handle the case where "currentNetwork" no |
| 5023 | // longer satisfies "nri" when "currentNetwork" does not equal "newNetwork". |
| 5024 | if (DBG) { |
| 5025 | log("Network " + newNetwork.name() + " stopped satisfying" + |
| 5026 | " request " + nri.request.requestId); |
| 5027 | } |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 5028 | newNetwork.removeRequest(nri.request.requestId); |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5029 | if (currentNetwork == newNetwork) { |
| 5030 | mNetworkForRequestId.remove(nri.request.requestId); |
| 5031 | sendUpdatedScoreToFactories(nri.request, 0); |
| 5032 | } else { |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 5033 | Slog.wtf(TAG, "BUG: Removing request " + nri.request.requestId + " from " + |
| 5034 | newNetwork.name() + |
| 5035 | " without updating mNetworkForRequestId or factories!"); |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5036 | } |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 5037 | // TODO: Technically, sending CALLBACK_LOST here is |
| 5038 | // incorrect if there is a replacement network currently |
| 5039 | // connected that can satisfy nri, which is a request |
| 5040 | // (not a listen). However, the only capability that can both |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5041 | // a) be requested and b) change is NET_CAPABILITY_TRUSTED, |
| 5042 | // so this code is only incorrect for a network that loses |
| 5043 | // the TRUSTED capability, which is a rare case. |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5044 | callCallbackForRequest(nri, newNetwork, ConnectivityManager.CALLBACK_LOST, 0); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 5045 | } |
| 5046 | } |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5047 | if (isNewDefault) { |
| 5048 | // Notify system services that this network is up. |
Hugo Benichi | 1654b1d | 2016-05-24 11:50:31 +0900 | [diff] [blame] | 5049 | makeDefault(newNetwork); |
| 5050 | // Log 0 -> X and Y -> X default network transitions, where X is the new default. |
| 5051 | logDefaultNetworkEvent(newNetwork, oldDefaultNetwork); |
Hugo Benichi | 4c31b34 | 2017-03-30 23:18:10 +0900 | [diff] [blame] | 5052 | // Have a new default network, release the transition wakelock in |
| 5053 | scheduleReleaseNetworkTransitionWakelock(); |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5054 | } |
| 5055 | |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 5056 | if (!newNetwork.networkCapabilities.equalRequestableCapabilities(nc)) { |
| 5057 | Slog.wtf(TAG, String.format( |
| 5058 | "BUG: %s changed requestable capabilities during rematch: %s -> %s", |
| 5059 | nc, newNetwork.networkCapabilities)); |
| 5060 | } |
| 5061 | if (newNetwork.getCurrentScore() != score) { |
| 5062 | Slog.wtf(TAG, String.format( |
| 5063 | "BUG: %s changed score during rematch: %d -> %d", |
| 5064 | score, newNetwork.getCurrentScore())); |
| 5065 | } |
| 5066 | |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 5067 | // Second pass: process all listens. |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 5068 | if (wasBackgroundNetwork != newNetwork.isBackgroundNetwork()) { |
| 5069 | // If the network went from background to foreground or vice versa, we need to update |
| 5070 | // its foreground state. It is safe to do this after rematching the requests because |
| 5071 | // NET_CAPABILITY_FOREGROUND does not affect requests, as is not a requestable |
| 5072 | // capability and does not affect the network's score (see the Slog.wtf call above). |
Lorenzo Colitti | b8167f6 | 2016-09-15 22:47:08 +0900 | [diff] [blame] | 5073 | updateCapabilities(score, newNetwork, newNetwork.networkCapabilities); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 5074 | } else { |
| 5075 | processListenRequests(newNetwork, false); |
| 5076 | } |
Lorenzo Colitti | 72bbf48 | 2016-07-20 02:39:22 +0900 | [diff] [blame] | 5077 | |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5078 | // do this after the default net is switched, but |
| 5079 | // before LegacyTypeTracker sends legacy broadcasts |
Erik Kline | c75d4fa | 2017-02-15 19:59:17 +0900 | [diff] [blame] | 5080 | for (NetworkRequestInfo nri : addedRequests) notifyNetworkAvailable(newNetwork, nri); |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5081 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5082 | // Linger any networks that are no longer needed. This should be done after sending the |
| 5083 | // available callback for newNetwork. |
| 5084 | for (NetworkAgentInfo nai : affectedNetworks) { |
| 5085 | updateLingerState(nai, now); |
| 5086 | } |
| 5087 | // Possibly unlinger newNetwork. Unlingering a network does not send any callbacks so it |
| 5088 | // does not need to be done in any particular order. |
| 5089 | updateLingerState(newNetwork, now); |
| 5090 | |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5091 | if (isNewDefault) { |
| 5092 | // Maintain the illusion: since the legacy API only |
| 5093 | // understands one network at a time, we must pretend |
| 5094 | // that the current default network disconnected before |
| 5095 | // the new one connected. |
| 5096 | if (oldDefaultNetwork != null) { |
| 5097 | mLegacyTypeTracker.remove(oldDefaultNetwork.networkInfo.getType(), |
| 5098 | oldDefaultNetwork, true); |
| 5099 | } |
| 5100 | mDefaultInetConditionPublished = newNetwork.lastValidated ? 100 : 0; |
| 5101 | mLegacyTypeTracker.add(newNetwork.networkInfo.getType(), newNetwork); |
| 5102 | notifyLockdownVpn(newNetwork); |
| 5103 | } |
| 5104 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5105 | if (keep) { |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 5106 | // Notify battery stats service about this network, both the normal |
| 5107 | // interface and any stacked links. |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5108 | // TODO: Avoid redoing this; this must only be done once when a network comes online. |
Dianne Hackborn | 2932513 | 2014-05-21 15:01:03 -0700 | [diff] [blame] | 5109 | try { |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 5110 | final IBatteryStats bs = BatteryStatsService.getService(); |
| 5111 | final int type = newNetwork.networkInfo.getType(); |
| 5112 | |
| 5113 | final String baseIface = newNetwork.linkProperties.getInterfaceName(); |
| 5114 | bs.noteNetworkInterfaceType(baseIface, type); |
| 5115 | for (LinkProperties stacked : newNetwork.linkProperties.getStackedLinks()) { |
| 5116 | final String stackedIface = stacked.getInterfaceName(); |
| 5117 | bs.noteNetworkInterfaceType(stackedIface, type); |
| 5118 | NetworkStatsFactory.noteStackedIface(stackedIface, baseIface); |
| 5119 | } |
| 5120 | } catch (RemoteException ignored) { |
| 5121 | } |
| 5122 | |
Robert Greenwalt | 152ed37 | 2014-12-17 17:19:53 -0800 | [diff] [blame] | 5123 | // This has to happen after the notifyNetworkCallbacks as that tickles each |
| 5124 | // ConnectivityManager instance so that legacy requests correctly bind dns |
| 5125 | // requests to this network. The legacy users are listening for this bcast |
| 5126 | // and will generally do a dns request so they can ensureRouteToHost and if |
| 5127 | // they do that before the callbacks happen they'll use the default network. |
| 5128 | // |
| 5129 | // TODO: Is there still a race here? We send the broadcast |
| 5130 | // after sending the callback, but if the app can receive the |
| 5131 | // broadcast before the callback, it might still break. |
| 5132 | // |
| 5133 | // This *does* introduce a race where if the user uses the new api |
| 5134 | // (notification callbacks) and then uses the old api (getNetworkInfo(type)) |
| 5135 | // they may get old info. Reverse this after the old startUsing api is removed. |
| 5136 | // This is on top of the multiple intent sequencing referenced in the todo above. |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 5137 | for (int i = 0; i < newNetwork.numNetworkRequests(); i++) { |
| 5138 | NetworkRequest nr = newNetwork.requestAt(i); |
Lorenzo Colitti | b35d40d | 2016-07-01 13:19:21 +0900 | [diff] [blame] | 5139 | if (nr.legacyType != TYPE_NONE && nr.isRequest()) { |
Robert Greenwalt | 152ed37 | 2014-12-17 17:19:53 -0800 | [diff] [blame] | 5140 | // legacy type tracker filters out repeat adds |
| 5141 | mLegacyTypeTracker.add(nr.legacyType, newNetwork); |
| 5142 | } |
| 5143 | } |
Sreeram Ramachandran | 60c0c0d | 2014-10-30 14:55:29 -0700 | [diff] [blame] | 5144 | |
| 5145 | // A VPN generally won't get added to the legacy tracker in the "for (nri)" loop above, |
| 5146 | // because usually there are no NetworkRequests it satisfies (e.g., mDefaultRequest |
| 5147 | // wants the NOT_VPN capability, so it will never be satisfied by a VPN). So, add the |
| 5148 | // newNetwork to the tracker explicitly (it's a no-op if it has already been added). |
| 5149 | if (newNetwork.isVPN()) { |
| 5150 | mLegacyTypeTracker.add(TYPE_VPN, newNetwork); |
| 5151 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5152 | } |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 5153 | if (reapUnvalidatedNetworks == ReapUnvalidatedNetworks.REAP) { |
| 5154 | for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) { |
Lorenzo Colitti | 3d4a106 | 2016-09-09 18:48:56 +0900 | [diff] [blame] | 5155 | if (unneeded(nai, UnneededFor.TEARDOWN)) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5156 | if (nai.getLingerExpiry() > 0) { |
| 5157 | // This network has active linger timers and no requests, but is not |
| 5158 | // lingering. Linger it. |
| 5159 | // |
| 5160 | // One way (the only way?) this can happen if this network is unvalidated |
| 5161 | // and became unneeded due to another network improving its score to the |
| 5162 | // point where this network will no longer be able to satisfy any requests |
| 5163 | // even if it validates. |
| 5164 | updateLingerState(nai, now); |
| 5165 | } else { |
| 5166 | if (DBG) log("Reaping " + nai.name()); |
| 5167 | teardownUnneededNetwork(nai); |
| 5168 | } |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 5169 | } |
| 5170 | } |
| 5171 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5172 | } |
| 5173 | |
Paul Jensen | 1c7ba02 | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 5174 | /** |
| 5175 | * Attempt to rematch all Networks with NetworkRequests. This may result in Networks |
| 5176 | * being disconnected. |
| 5177 | * @param changed If only one Network's score or capabilities have been modified since the last |
| 5178 | * time this function was called, pass this Network in this argument, otherwise pass |
| 5179 | * null. |
| 5180 | * @param oldScore If only one Network has been changed but its NetworkCapabilities have not |
| 5181 | * changed, pass in the Network's score (from getCurrentScore()) prior to the change via |
| 5182 | * this argument, otherwise pass {@code changed.getCurrentScore()} or 0 if |
| 5183 | * {@code changed} is {@code null}. This is because NetworkCapabilities influence a |
| 5184 | * network's score. |
Paul Jensen | 1c7ba02 | 2015-06-16 14:27:36 -0400 | [diff] [blame] | 5185 | */ |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 5186 | private void rematchAllNetworksAndRequests(NetworkAgentInfo changed, int oldScore) { |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5187 | // TODO: This may get slow. The "changed" parameter is provided for future optimization |
| 5188 | // to avoid the slowness. It is not simply enough to process just "changed", for |
| 5189 | // example in the case where "changed"'s score decreases and another network should begin |
| 5190 | // satifying a NetworkRequest that "changed" currently satisfies. |
| 5191 | |
| 5192 | // Optimization: Only reprocess "changed" if its score improved. This is safe because it |
| 5193 | // can only add more NetworkRequests satisfied by "changed", and this is exactly what |
| 5194 | // rematchNetworkAndRequests() handles. |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5195 | final long now = SystemClock.elapsedRealtime(); |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 5196 | if (changed != null && oldScore < changed.getCurrentScore()) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5197 | rematchNetworkAndRequests(changed, ReapUnvalidatedNetworks.REAP, now); |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5198 | } else { |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 5199 | final NetworkAgentInfo[] nais = mNetworkAgentInfos.values().toArray( |
| 5200 | new NetworkAgentInfo[mNetworkAgentInfos.size()]); |
| 5201 | // Rematch higher scoring networks first to prevent requests first matching a lower |
| 5202 | // scoring network and then a higher scoring network, which could produce multiple |
| 5203 | // callbacks and inadvertently unlinger networks. |
| 5204 | Arrays.sort(nais); |
| 5205 | for (NetworkAgentInfo nai : nais) { |
| 5206 | rematchNetworkAndRequests(nai, |
Paul Jensen | b10e37f | 2014-11-25 12:33:08 -0500 | [diff] [blame] | 5207 | // Only reap the last time through the loop. Reaping before all rematching |
| 5208 | // is complete could incorrectly teardown a network that hasn't yet been |
| 5209 | // rematched. |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 5210 | (nai != nais[nais.length-1]) ? ReapUnvalidatedNetworks.DONT_REAP |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5211 | : ReapUnvalidatedNetworks.REAP, |
| 5212 | now); |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5213 | } |
| 5214 | } |
| 5215 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5216 | |
Lorenzo Colitti | 7b42f39 | 2014-12-17 11:26:49 +0900 | [diff] [blame] | 5217 | private void updateInetCondition(NetworkAgentInfo nai) { |
Paul Jensen | ad50a1f | 2014-09-05 12:06:44 -0400 | [diff] [blame] | 5218 | // Don't bother updating until we've graduated to validated at least once. |
Lorenzo Colitti | d3b8a3e | 2014-12-17 11:14:42 +0900 | [diff] [blame] | 5219 | if (!nai.everValidated) return; |
Paul Jensen | ad50a1f | 2014-09-05 12:06:44 -0400 | [diff] [blame] | 5220 | // For now only update icons for default connection. |
| 5221 | // TODO: Update WiFi and cellular icons separately. b/17237507 |
| 5222 | if (!isDefaultNetwork(nai)) return; |
| 5223 | |
Lorenzo Colitti | 7b42f39 | 2014-12-17 11:26:49 +0900 | [diff] [blame] | 5224 | int newInetCondition = nai.lastValidated ? 100 : 0; |
Paul Jensen | ad50a1f | 2014-09-05 12:06:44 -0400 | [diff] [blame] | 5225 | // Don't repeat publish. |
| 5226 | if (newInetCondition == mDefaultInetConditionPublished) return; |
| 5227 | |
| 5228 | mDefaultInetConditionPublished = newInetCondition; |
| 5229 | sendInetConditionBroadcast(nai.networkInfo); |
| 5230 | } |
| 5231 | |
Lorenzo Colitti | 0cb7903 | 2014-10-15 16:06:07 +0900 | [diff] [blame] | 5232 | private void notifyLockdownVpn(NetworkAgentInfo nai) { |
| 5233 | if (mLockdownTracker != null) { |
| 5234 | if (nai != null && nai.isVPN()) { |
| 5235 | mLockdownTracker.onVpnStateChanged(nai.networkInfo); |
| 5236 | } else { |
| 5237 | mLockdownTracker.onNetworkInfoChanged(); |
| 5238 | } |
| 5239 | } |
| 5240 | } |
| 5241 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5242 | private void updateNetworkInfo(NetworkAgentInfo networkAgent, NetworkInfo newInfo) { |
Erik Kline | c75d4fa | 2017-02-15 19:59:17 +0900 | [diff] [blame] | 5243 | final NetworkInfo.State state = newInfo.getState(); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 5244 | NetworkInfo oldInfo = null; |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5245 | final int oldScore = networkAgent.getCurrentScore(); |
Robert Greenwalt | 73b6cbae | 2014-06-23 11:40:00 -0700 | [diff] [blame] | 5246 | synchronized (networkAgent) { |
| 5247 | oldInfo = networkAgent.networkInfo; |
| 5248 | networkAgent.networkInfo = newInfo; |
| 5249 | } |
Lorenzo Colitti | 0cb7903 | 2014-10-15 16:06:07 +0900 | [diff] [blame] | 5250 | notifyLockdownVpn(networkAgent); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5251 | |
| 5252 | if (oldInfo != null && oldInfo.getState() == state) { |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 5253 | if (oldInfo.isRoaming() != newInfo.isRoaming()) { |
| 5254 | if (VDBG) log("roaming status changed, notifying NetworkStatsService"); |
| 5255 | notifyIfacesChangedForNetworkStats(); |
| 5256 | } else if (VDBG) log("ignoring duplicate network state non-change"); |
| 5257 | // In either case, no further work should be needed. |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5258 | return; |
| 5259 | } |
| 5260 | if (DBG) { |
| 5261 | log(networkAgent.name() + " EVENT_NETWORK_INFO_CHANGED, going from " + |
| 5262 | (oldInfo == null ? "null" : oldInfo.getState()) + |
| 5263 | " to " + state); |
| 5264 | } |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 5265 | |
Robin Lee | 585e248 | 2016-05-01 23:00:00 +0100 | [diff] [blame] | 5266 | if (!networkAgent.created |
| 5267 | && (state == NetworkInfo.State.CONNECTED |
| 5268 | || (state == NetworkInfo.State.CONNECTING && networkAgent.isVPN()))) { |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 5269 | |
| 5270 | // A network that has just connected has zero requests and is thus a foreground network. |
| 5271 | networkAgent.networkCapabilities.addCapability(NET_CAPABILITY_FOREGROUND); |
| 5272 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5273 | try { |
Paul Jensen | eec7541 | 2014-08-04 12:21:19 -0400 | [diff] [blame] | 5274 | // This should never fail. Specifying an already in use NetID will cause failure. |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 5275 | if (networkAgent.isVPN()) { |
| 5276 | mNetd.createVirtualNetwork(networkAgent.network.netId, |
Sreeram Ramachandran | 8cd33ed | 2014-07-23 15:23:15 -0700 | [diff] [blame] | 5277 | !networkAgent.linkProperties.getDnsServers().isEmpty(), |
| 5278 | (networkAgent.networkMisc == null || |
| 5279 | !networkAgent.networkMisc.allowBypass)); |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 5280 | } else { |
Paul Jensen | 487ffe7 | 2015-07-24 15:57:11 -0400 | [diff] [blame] | 5281 | mNetd.createPhysicalNetwork(networkAgent.network.netId, |
Lorenzo Colitti | fbe9b1a | 2016-07-28 17:14:11 +0900 | [diff] [blame] | 5282 | getNetworkPermission(networkAgent.networkCapabilities)); |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 5283 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5284 | } catch (Exception e) { |
Lorenzo Colitti | bce0106 | 2014-05-29 14:05:41 +0900 | [diff] [blame] | 5285 | loge("Error creating network " + networkAgent.network.netId + ": " |
| 5286 | + e.getMessage()); |
| 5287 | return; |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5288 | } |
Paul Jensen | eec7541 | 2014-08-04 12:21:19 -0400 | [diff] [blame] | 5289 | networkAgent.created = true; |
Robin Lee | 585e248 | 2016-05-01 23:00:00 +0100 | [diff] [blame] | 5290 | } |
| 5291 | |
| 5292 | if (!networkAgent.everConnected && state == NetworkInfo.State.CONNECTED) { |
| 5293 | networkAgent.everConnected = true; |
| 5294 | |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5295 | updateLinkProperties(networkAgent, null); |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 5296 | notifyIfacesChangedForNetworkStats(); |
Lorenzo Colitti | bdc4549 | 2015-04-09 14:35:26 +0900 | [diff] [blame] | 5297 | |
Paul Jensen | ca8f16a | 2014-05-09 12:47:55 -0400 | [diff] [blame] | 5298 | networkAgent.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_CONNECTED); |
Lorenzo Colitti | e03c3c7 | 2015-04-03 16:38:52 +0900 | [diff] [blame] | 5299 | scheduleUnvalidatedPrompt(networkAgent); |
Lorenzo Colitti | bdc4549 | 2015-04-09 14:35:26 +0900 | [diff] [blame] | 5300 | |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 5301 | if (networkAgent.isVPN()) { |
| 5302 | // Temporarily disable the default proxy (not global). |
| 5303 | synchronized (mProxyLock) { |
| 5304 | if (!mDefaultProxyDisabled) { |
| 5305 | mDefaultProxyDisabled = true; |
| 5306 | if (mGlobalProxy == null && mDefaultProxy != null) { |
| 5307 | sendProxyBroadcast(null); |
| 5308 | } |
| 5309 | } |
| 5310 | } |
| 5311 | // TODO: support proxy per network. |
| 5312 | } |
Lorenzo Colitti | bdc4549 | 2015-04-09 14:35:26 +0900 | [diff] [blame] | 5313 | |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 5314 | // Whether a particular NetworkRequest listen should cause signal strength thresholds to |
| 5315 | // be communicated to a particular NetworkAgent depends only on the network's immutable, |
| 5316 | // capabilities, so it only needs to be done once on initial connect, not every time the |
| 5317 | // network's capabilities change. Note that we do this before rematching the network, |
| 5318 | // so we could decide to tear it down immediately afterwards. That's fine though - on |
| 5319 | // disconnection NetworkAgents should stop any signal strength monitoring they have been |
| 5320 | // doing. |
Lorenzo Colitti | 6bc0a2b | 2015-09-15 15:56:01 +0900 | [diff] [blame] | 5321 | updateSignalStrengthThresholds(networkAgent, "CONNECT", null); |
Lorenzo Colitti | c3f21f3 | 2015-07-06 23:50:27 +0900 | [diff] [blame] | 5322 | |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5323 | // Consider network even though it is not yet validated. |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5324 | final long now = SystemClock.elapsedRealtime(); |
| 5325 | rematchNetworkAndRequests(networkAgent, ReapUnvalidatedNetworks.REAP, now); |
Lorenzo Colitti | bdc4549 | 2015-04-09 14:35:26 +0900 | [diff] [blame] | 5326 | |
| 5327 | // This has to happen after matching the requests, because callbacks are just requests. |
| 5328 | notifyNetworkCallbacks(networkAgent, ConnectivityManager.CALLBACK_PRECHECK); |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5329 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5330 | networkAgent.asyncChannel.disconnect(); |
Paul Jensen | 6bc2c2c | 2014-05-07 15:27:40 -0400 | [diff] [blame] | 5331 | if (networkAgent.isVPN()) { |
| 5332 | synchronized (mProxyLock) { |
| 5333 | if (mDefaultProxyDisabled) { |
| 5334 | mDefaultProxyDisabled = false; |
| 5335 | if (mGlobalProxy == null && mDefaultProxy != null) { |
| 5336 | sendProxyBroadcast(mDefaultProxy); |
| 5337 | } |
| 5338 | } |
| 5339 | } |
| 5340 | } |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5341 | } else if ((oldInfo != null && oldInfo.getState() == NetworkInfo.State.SUSPENDED) || |
| 5342 | state == NetworkInfo.State.SUSPENDED) { |
| 5343 | // going into or coming out of SUSPEND: rescore and notify |
| 5344 | if (networkAgent.getCurrentScore() != oldScore) { |
Paul Jensen | 3b9ce37 | 2015-07-10 12:19:38 -0400 | [diff] [blame] | 5345 | rematchAllNetworksAndRequests(networkAgent, oldScore); |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5346 | } |
| 5347 | notifyNetworkCallbacks(networkAgent, (state == NetworkInfo.State.SUSPENDED ? |
| 5348 | ConnectivityManager.CALLBACK_SUSPENDED : |
| 5349 | ConnectivityManager.CALLBACK_RESUMED)); |
| 5350 | mLegacyTypeTracker.update(networkAgent); |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5351 | } |
| 5352 | } |
| 5353 | |
Robert Greenwalt | ac96c52 | 2014-06-03 16:43:57 -0700 | [diff] [blame] | 5354 | private void updateNetworkScore(NetworkAgentInfo nai, int score) { |
Lorenzo Colitti | 39d2bb5 | 2016-04-08 23:09:09 +0900 | [diff] [blame] | 5355 | if (VDBG) log("updateNetworkScore for " + nai.name() + " to " + score); |
Robert Greenwalt | 35f7a94 | 2014-09-09 14:46:37 -0700 | [diff] [blame] | 5356 | if (score < 0) { |
| 5357 | loge("updateNetworkScore for " + nai.name() + " got a negative score (" + score + |
| 5358 | "). Bumping score to min of 0"); |
| 5359 | score = 0; |
| 5360 | } |
Robert Greenwalt | ac96c52 | 2014-06-03 16:43:57 -0700 | [diff] [blame] | 5361 | |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5362 | final int oldScore = nai.getCurrentScore(); |
| 5363 | nai.setCurrentScore(score); |
Robert Greenwalt | ac96c52 | 2014-06-03 16:43:57 -0700 | [diff] [blame] | 5364 | |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 5365 | rematchAllNetworksAndRequests(nai, oldScore); |
Paul Jensen | 2161a8e | 2014-09-11 11:00:39 -0400 | [diff] [blame] | 5366 | |
Paul Jensen | c8b9a74 | 2014-09-30 15:37:41 -0400 | [diff] [blame] | 5367 | sendUpdatedScoreToFactories(nai); |
Robert Greenwalt | 55691b8 | 2014-05-27 13:20:24 -0700 | [diff] [blame] | 5368 | } |
| 5369 | |
Erik Kline | c75d4fa | 2017-02-15 19:59:17 +0900 | [diff] [blame] | 5370 | // Notify only this one new request of the current state. Transfer all the |
| 5371 | // current state by calling NetworkCapabilities and LinkProperties callbacks |
| 5372 | // so that callers can be guaranteed to have as close to atomicity in state |
| 5373 | // transfer as can be supported by this current API. |
| 5374 | protected void notifyNetworkAvailable(NetworkAgentInfo nai, NetworkRequestInfo nri) { |
Etan Cohen | bf3b1ba | 2016-10-27 15:05:50 -0700 | [diff] [blame] | 5375 | mHandler.removeMessages(EVENT_TIMEOUT_NETWORK_REQUEST, nri); |
Erik Kline | c75d4fa | 2017-02-15 19:59:17 +0900 | [diff] [blame] | 5376 | if (nri.mPendingIntent != null) { |
| 5377 | sendPendingIntentForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE); |
| 5378 | // Attempt no subsequent state pushes where intents are involved. |
| 5379 | return; |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 5380 | } |
Erik Kline | c75d4fa | 2017-02-15 19:59:17 +0900 | [diff] [blame] | 5381 | |
| 5382 | callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE, 0); |
| 5383 | // Whether a network is currently suspended is also an important |
| 5384 | // element of state to be transferred (it would not otherwise be |
| 5385 | // delivered by any currently available mechanism). |
| 5386 | if (nai.networkInfo.getState() == NetworkInfo.State.SUSPENDED) { |
| 5387 | callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_SUSPENDED, 0); |
| 5388 | } |
| 5389 | callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_CAP_CHANGED, 0); |
| 5390 | callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_IP_CHANGED, 0); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 5391 | } |
| 5392 | |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5393 | private void sendLegacyNetworkBroadcast(NetworkAgentInfo nai, DetailedState state, int type) { |
Lorenzo Colitti | a793a67 | 2014-07-31 23:20:17 +0900 | [diff] [blame] | 5394 | // The NetworkInfo we actually send out has no bearing on the real |
| 5395 | // state of affairs. For example, if the default connection is mobile, |
| 5396 | // and a request for HIPRI has just gone away, we need to pretend that |
| 5397 | // HIPRI has just disconnected. So we need to set the type to HIPRI and |
| 5398 | // the state to DISCONNECTED, even though the network is of type MOBILE |
| 5399 | // and is still connected. |
| 5400 | NetworkInfo info = new NetworkInfo(nai.networkInfo); |
| 5401 | info.setType(type); |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5402 | if (state != DetailedState.DISCONNECTED) { |
| 5403 | info.setDetailedState(state, null, info.getExtraInfo()); |
Erik Kline | 8f29dcf | 2014-12-08 16:25:20 +0900 | [diff] [blame] | 5404 | sendConnectedBroadcast(info); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 5405 | } else { |
Robert Greenwalt | 8d48252 | 2015-06-24 13:23:42 -0700 | [diff] [blame] | 5406 | info.setDetailedState(state, info.getReason(), info.getExtraInfo()); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 5407 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
| 5408 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 5409 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); |
| 5410 | if (info.isFailover()) { |
| 5411 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 5412 | nai.networkInfo.setFailover(false); |
| 5413 | } |
| 5414 | if (info.getReason() != null) { |
| 5415 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 5416 | } |
| 5417 | if (info.getExtraInfo() != null) { |
| 5418 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, info.getExtraInfo()); |
| 5419 | } |
| 5420 | NetworkAgentInfo newDefaultAgent = null; |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 5421 | if (nai.isSatisfyingRequest(mDefaultRequest.requestId)) { |
Paul Jensen | 85cf78e | 2015-06-25 13:25:07 -0400 | [diff] [blame] | 5422 | newDefaultAgent = getDefaultNetwork(); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 5423 | if (newDefaultAgent != null) { |
| 5424 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, |
| 5425 | newDefaultAgent.networkInfo); |
| 5426 | } else { |
| 5427 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 5428 | } |
| 5429 | } |
| 5430 | intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, |
| 5431 | mDefaultInetConditionPublished); |
Erik Kline | 8f29dcf | 2014-12-08 16:25:20 +0900 | [diff] [blame] | 5432 | sendStickyBroadcast(intent); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 5433 | if (newDefaultAgent != null) { |
Erik Kline | 8f29dcf | 2014-12-08 16:25:20 +0900 | [diff] [blame] | 5434 | sendConnectedBroadcast(newDefaultAgent.networkInfo); |
Robert Greenwalt | 32aa65a | 2014-06-02 15:32:02 -0700 | [diff] [blame] | 5435 | } |
| 5436 | } |
| 5437 | } |
| 5438 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5439 | protected void notifyNetworkCallbacks(NetworkAgentInfo networkAgent, int notifyType, int arg1) { |
Hugo Benichi | a038568 | 2017-03-22 17:07:57 +0900 | [diff] [blame] | 5440 | if (VDBG) { |
| 5441 | String notification = ConnectivityManager.getCallbackName(notifyType); |
| 5442 | log("notifyType " + notification + " for " + networkAgent.name()); |
| 5443 | } |
Lorenzo Colitti | 767708d | 2016-07-01 01:37:11 +0900 | [diff] [blame] | 5444 | for (int i = 0; i < networkAgent.numNetworkRequests(); i++) { |
| 5445 | NetworkRequest nr = networkAgent.requestAt(i); |
Robert Greenwalt | 9258c64 | 2014-03-26 16:47:06 -0700 | [diff] [blame] | 5446 | NetworkRequestInfo nri = mNetworkRequests.get(nr); |
| 5447 | if (VDBG) log(" sending notification for " + nr); |
Lorenzo Colitti | f0e9a33 | 2016-07-18 18:40:42 +0900 | [diff] [blame] | 5448 | // TODO: if we're in the middle of a rematch, can we send a CAP_CHANGED callback for |
| 5449 | // a network that no longer satisfies the listen? |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 5450 | if (nri.mPendingIntent == null) { |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5451 | callCallbackForRequest(nri, networkAgent, notifyType, arg1); |
Jeremy Joslin | 46e3ac8 | 2014-11-05 10:32:09 -0800 | [diff] [blame] | 5452 | } else { |
| 5453 | sendPendingIntentForRequest(nri, networkAgent, notifyType); |
| 5454 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5455 | } |
Robert Greenwalt | 7b81602 | 2014-04-18 15:25:25 -0700 | [diff] [blame] | 5456 | } |
Robert Greenwalt | 12e6735 | 2014-05-13 21:41:06 -0700 | [diff] [blame] | 5457 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5458 | protected void notifyNetworkCallbacks(NetworkAgentInfo networkAgent, int notifyType) { |
| 5459 | notifyNetworkCallbacks(networkAgent, notifyType, 0); |
| 5460 | } |
| 5461 | |
Jeff Sharkey | 6973634 | 2014-12-08 14:50:12 -0800 | [diff] [blame] | 5462 | /** |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 5463 | * Notify NetworkStatsService that the set of active ifaces has changed, or that one of the |
| 5464 | * properties tracked by NetworkStatsService on an active iface has changed. |
Jeff Sharkey | 6973634 | 2014-12-08 14:50:12 -0800 | [diff] [blame] | 5465 | */ |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 5466 | private void notifyIfacesChangedForNetworkStats() { |
Jeff Sharkey | 6973634 | 2014-12-08 14:50:12 -0800 | [diff] [blame] | 5467 | try { |
| 5468 | mStatsService.forceUpdateIfaces(); |
| 5469 | } catch (Exception ignored) { |
| 5470 | } |
| 5471 | } |
| 5472 | |
Sreeram Ramachandran | f4e0c0c | 2014-07-27 14:18:26 -0700 | [diff] [blame] | 5473 | @Override |
| 5474 | public boolean addVpnAddress(String address, int prefixLength) { |
| 5475 | throwIfLockdownEnabled(); |
| 5476 | int user = UserHandle.getUserId(Binder.getCallingUid()); |
| 5477 | synchronized (mVpns) { |
| 5478 | return mVpns.get(user).addAddress(address, prefixLength); |
| 5479 | } |
| 5480 | } |
| 5481 | |
| 5482 | @Override |
| 5483 | public boolean removeVpnAddress(String address, int prefixLength) { |
| 5484 | throwIfLockdownEnabled(); |
| 5485 | int user = UserHandle.getUserId(Binder.getCallingUid()); |
| 5486 | synchronized (mVpns) { |
| 5487 | return mVpns.get(user).removeAddress(address, prefixLength); |
| 5488 | } |
| 5489 | } |
Sreeram Ramachandran | c2c0bea | 2014-11-11 16:09:21 -0800 | [diff] [blame] | 5490 | |
| 5491 | @Override |
| 5492 | public boolean setUnderlyingNetworksForVpn(Network[] networks) { |
| 5493 | throwIfLockdownEnabled(); |
| 5494 | int user = UserHandle.getUserId(Binder.getCallingUid()); |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 5495 | boolean success; |
Sreeram Ramachandran | c2c0bea | 2014-11-11 16:09:21 -0800 | [diff] [blame] | 5496 | synchronized (mVpns) { |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 5497 | success = mVpns.get(user).setUnderlyingNetworks(networks); |
Sreeram Ramachandran | c2c0bea | 2014-11-11 16:09:21 -0800 | [diff] [blame] | 5498 | } |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 5499 | if (success) { |
Jeff Davidson | 0b93c5d | 2016-01-20 11:35:38 -0800 | [diff] [blame] | 5500 | notifyIfacesChangedForNetworkStats(); |
Wenchao Tong | f5ea340 | 2015-03-04 13:26:38 -0800 | [diff] [blame] | 5501 | } |
| 5502 | return success; |
Sreeram Ramachandran | c2c0bea | 2014-11-11 16:09:21 -0800 | [diff] [blame] | 5503 | } |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5504 | |
| 5505 | @Override |
Udam Saini | b7c2487 | 2016-01-04 12:16:14 -0800 | [diff] [blame] | 5506 | public String getCaptivePortalServerUrl() { |
Hugo Benichi | 92eb22fd | 2016-09-27 13:01:41 +0900 | [diff] [blame] | 5507 | return NetworkMonitor.getCaptivePortalServerHttpUrl(mContext); |
Udam Saini | b7c2487 | 2016-01-04 12:16:14 -0800 | [diff] [blame] | 5508 | } |
| 5509 | |
| 5510 | @Override |
Lorenzo Colitti | 8bf977d | 2015-06-15 14:29:22 +0900 | [diff] [blame] | 5511 | public void startNattKeepalive(Network network, int intervalSeconds, Messenger messenger, |
| 5512 | IBinder binder, String srcAddr, int srcPort, String dstAddr) { |
| 5513 | enforceKeepalivePermission(); |
| 5514 | mKeepaliveTracker.startNattKeepalive( |
| 5515 | getNetworkAgentInfoForNetwork(network), |
| 5516 | intervalSeconds, messenger, binder, |
| 5517 | srcAddr, srcPort, dstAddr, ConnectivityManager.PacketKeepalive.NATT_PORT); |
| 5518 | } |
| 5519 | |
| 5520 | @Override |
| 5521 | public void stopKeepalive(Network network, int slot) { |
| 5522 | mHandler.sendMessage(mHandler.obtainMessage( |
| 5523 | NetworkAgent.CMD_STOP_PACKET_KEEPALIVE, slot, PacketKeepalive.SUCCESS, network)); |
| 5524 | } |
| 5525 | |
| 5526 | @Override |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5527 | public void factoryReset() { |
| 5528 | enforceConnectivityInternalPermission(); |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5529 | |
| 5530 | if (mUserManager.hasUserRestriction(UserManager.DISALLOW_NETWORK_RESET)) { |
| 5531 | return; |
| 5532 | } |
| 5533 | |
Robin Lee | 3b3dd94 | 2015-05-12 18:14:58 +0100 | [diff] [blame] | 5534 | final int userId = UserHandle.getCallingUserId(); |
| 5535 | |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5536 | // Turn airplane mode off |
| 5537 | setAirplaneMode(false); |
| 5538 | |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5539 | if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING)) { |
| 5540 | // Untether |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 5541 | String pkgName = mContext.getOpPackageName(); |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5542 | for (String tether : getTetheredIfaces()) { |
Tetsutoki Shiozawa | 335d2ed | 2016-03-16 23:30:57 +0900 | [diff] [blame] | 5543 | untether(tether, pkgName); |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5544 | } |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5545 | } |
| 5546 | |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5547 | if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_VPN)) { |
Victor Chang | b04a5ea | 2016-05-30 20:36:30 +0100 | [diff] [blame] | 5548 | // Remove always-on package |
| 5549 | synchronized (mVpns) { |
| 5550 | final String alwaysOnPackage = getAlwaysOnVpnPackage(userId); |
| 5551 | if (alwaysOnPackage != null) { |
| 5552 | setAlwaysOnVpnPackage(userId, null, false); |
| 5553 | setVpnPackageAuthorization(alwaysOnPackage, userId, false); |
| 5554 | } |
| 5555 | } |
| 5556 | |
Koichi, Sugimoto | da1a7ac | 2016-01-27 18:48:58 +0900 | [diff] [blame] | 5557 | // Turn Always-on VPN off |
| 5558 | if (mLockdownEnabled && userId == UserHandle.USER_SYSTEM) { |
| 5559 | final long ident = Binder.clearCallingIdentity(); |
| 5560 | try { |
| 5561 | mKeyStore.delete(Credentials.LOCKDOWN_VPN); |
| 5562 | mLockdownEnabled = false; |
| 5563 | setLockdownTracker(null); |
| 5564 | } finally { |
| 5565 | Binder.restoreCallingIdentity(ident); |
| 5566 | } |
| 5567 | } |
| 5568 | |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5569 | // Turn VPN off |
| 5570 | VpnConfig vpnConfig = getVpnConfig(userId); |
| 5571 | if (vpnConfig != null) { |
| 5572 | if (vpnConfig.legacy) { |
| 5573 | prepareVpn(VpnConfig.LEGACY_VPN, VpnConfig.LEGACY_VPN, userId); |
| 5574 | } else { |
| 5575 | // Prevent this app (packagename = vpnConfig.user) from initiating VPN connections |
| 5576 | // in the future without user intervention. |
| 5577 | setVpnPackageAuthorization(vpnConfig.user, userId, false); |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5578 | |
Victor Chang | b04a5ea | 2016-05-30 20:36:30 +0100 | [diff] [blame] | 5579 | prepareVpn(null, VpnConfig.LEGACY_VPN, userId); |
Stuart Scott | e3e314d | 2015-04-20 14:07:45 -0700 | [diff] [blame] | 5580 | } |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5581 | } |
| 5582 | } |
Lorenzo Colitti | 9be58c5 | 2016-09-15 14:02:29 +0900 | [diff] [blame] | 5583 | |
| 5584 | Settings.Global.putString(mContext.getContentResolver(), |
| 5585 | Settings.Global.NETWORK_AVOID_BAD_WIFI, null); |
Stuart Scott | f1fb397 | 2015-04-02 18:00:02 -0700 | [diff] [blame] | 5586 | } |
Paul Jensen | cf4c2c6 | 2015-07-01 14:16:32 -0400 | [diff] [blame] | 5587 | |
| 5588 | @VisibleForTesting |
| 5589 | public NetworkMonitor createNetworkMonitor(Context context, Handler handler, |
| 5590 | NetworkAgentInfo nai, NetworkRequest defaultRequest) { |
| 5591 | return new NetworkMonitor(context, handler, nai, defaultRequest); |
| 5592 | } |
Erik Kline | 48f12f2 | 2016-04-14 17:30:59 +0900 | [diff] [blame] | 5593 | |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5594 | @VisibleForTesting |
Lorenzo Colitti | 58ebe1c | 2017-01-24 09:41:36 +0900 | [diff] [blame] | 5595 | MultinetworkPolicyTracker createMultinetworkPolicyTracker(Context c, Handler h, Runnable r) { |
| 5596 | return new MultinetworkPolicyTracker(c, h, r); |
Erik Kline | 065ab6e | 2016-10-02 18:02:14 +0900 | [diff] [blame] | 5597 | } |
| 5598 | |
| 5599 | @VisibleForTesting |
Lorenzo Colitti | b57578ca | 2016-07-01 01:53:25 +0900 | [diff] [blame] | 5600 | public WakeupMessage makeWakeupMessage(Context c, Handler h, String s, int cmd, Object obj) { |
| 5601 | return new WakeupMessage(c, h, s, cmd, 0, 0, obj); |
| 5602 | } |
| 5603 | |
Hugo Benichi | cfddd68 | 2016-05-31 16:28:06 +0900 | [diff] [blame] | 5604 | private void logDefaultNetworkEvent(NetworkAgentInfo newNai, NetworkAgentInfo prevNai) { |
Hugo Benichi | 5f16f76 | 2016-04-20 12:09:33 +0900 | [diff] [blame] | 5605 | int newNetid = NETID_UNSET; |
| 5606 | int prevNetid = NETID_UNSET; |
| 5607 | int[] transports = new int[0]; |
| 5608 | boolean hadIPv4 = false; |
| 5609 | boolean hadIPv6 = false; |
Erik Kline | 48f12f2 | 2016-04-14 17:30:59 +0900 | [diff] [blame] | 5610 | |
Hugo Benichi | 5f16f76 | 2016-04-20 12:09:33 +0900 | [diff] [blame] | 5611 | if (newNai != null) { |
| 5612 | newNetid = newNai.network.netId; |
| 5613 | transports = newNai.networkCapabilities.getTransportTypes(); |
| 5614 | } |
| 5615 | if (prevNai != null) { |
| 5616 | prevNetid = prevNai.network.netId; |
| 5617 | final LinkProperties lp = prevNai.linkProperties; |
| 5618 | hadIPv4 = lp.hasIPv4Address() && lp.hasIPv4DefaultRoute(); |
| 5619 | hadIPv6 = lp.hasGlobalIPv6Address() && lp.hasIPv6DefaultRoute(); |
| 5620 | } |
| 5621 | |
Hugo Benichi | cfddd68 | 2016-05-31 16:28:06 +0900 | [diff] [blame] | 5622 | mMetricsLog.log(new DefaultNetworkEvent(newNetid, transports, prevNetid, hadIPv4, hadIPv6)); |
| 5623 | } |
| 5624 | |
| 5625 | private void logNetworkEvent(NetworkAgentInfo nai, int evtype) { |
| 5626 | mMetricsLog.log(new NetworkEvent(nai.network.netId, evtype)); |
Erik Kline | 48f12f2 | 2016-04-14 17:30:59 +0900 | [diff] [blame] | 5627 | } |
Hugo Benichi | ab7d2e6 | 2017-04-21 15:07:12 +0900 | [diff] [blame] | 5628 | |
| 5629 | private static boolean toBool(int encodedBoolean) { |
| 5630 | return encodedBoolean != 0; // Only 0 means false. |
| 5631 | } |
| 5632 | |
| 5633 | private static int encodeBool(boolean b) { |
| 5634 | return b ? 1 : 0; |
| 5635 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 5636 | } |