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 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 19 | import static android.Manifest.permission.CONNECTIVITY_INTERNAL; |
Jeff Sharkey | 1a30395 | 2011-06-16 13:04:20 -0700 | [diff] [blame] | 20 | import static android.Manifest.permission.MANAGE_NETWORK_POLICY; |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 21 | import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE; |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 22 | import static android.net.ConnectivityManager.CONNECTIVITY_ACTION; |
| 23 | import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE; |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 24 | import static android.net.ConnectivityManager.TYPE_BLUETOOTH; |
| 25 | import static android.net.ConnectivityManager.TYPE_DUMMY; |
| 26 | import static android.net.ConnectivityManager.TYPE_ETHERNET; |
| 27 | import static android.net.ConnectivityManager.TYPE_MOBILE; |
| 28 | import static android.net.ConnectivityManager.TYPE_WIFI; |
| 29 | import static android.net.ConnectivityManager.TYPE_WIMAX; |
| 30 | import static android.net.ConnectivityManager.getNetworkTypeName; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 31 | import static android.net.ConnectivityManager.isNetworkTypeValid; |
| 32 | import static android.net.NetworkPolicyManager.RULE_ALLOW_ALL; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 33 | import static android.net.NetworkPolicyManager.RULE_REJECT_METERED; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 34 | |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 35 | import android.app.Activity; |
Jaikumar Ganesh | 15c7439 | 2010-12-21 22:31:44 -0800 | [diff] [blame] | 36 | import android.bluetooth.BluetoothTetheringDataTracker; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 37 | import android.content.BroadcastReceiver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | import android.content.ContentResolver; |
| 39 | import android.content.Context; |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 40 | import android.content.ContextWrapper; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | import android.content.Intent; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 42 | import android.content.IntentFilter; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | import android.content.pm.PackageManager; |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 44 | import android.content.res.Resources; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 45 | import android.database.ContentObserver; |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 46 | import android.net.CaptivePortalTracker; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | import android.net.ConnectivityManager; |
Robert Greenwalt | da3d5e6 | 2010-12-06 13:56:24 -0800 | [diff] [blame] | 48 | import android.net.DummyDataStateTracker; |
Benoit Goby | 1997069 | 2010-12-22 14:29:40 -0800 | [diff] [blame] | 49 | import android.net.EthernetDataTracker; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 50 | import android.net.IConnectivityManager; |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 51 | import android.net.INetworkManagementEventObserver; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 52 | import android.net.INetworkPolicyListener; |
| 53 | import android.net.INetworkPolicyManager; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 54 | import android.net.INetworkStatsService; |
Wink Saville | c9822c5 | 2011-07-14 12:23:28 -0700 | [diff] [blame] | 55 | import android.net.LinkAddress; |
Jaikumar Ganesh | 15c7439 | 2010-12-21 22:31:44 -0800 | [diff] [blame] | 56 | import android.net.LinkProperties; |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 57 | import android.net.LinkProperties.CompareResult; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 58 | import android.net.MobileDataStateTracker; |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 59 | import android.net.NetworkConfig; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | import android.net.NetworkInfo; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 61 | import android.net.NetworkInfo.DetailedState; |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 62 | import android.net.NetworkQuotaInfo; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 63 | import android.net.NetworkState; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 64 | import android.net.NetworkStateTracker; |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 65 | import android.net.NetworkUtils; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 66 | import android.net.Proxy; |
| 67 | import android.net.ProxyProperties; |
Robert Greenwalt | aa70f10 | 2011-04-28 14:28:50 -0700 | [diff] [blame] | 68 | import android.net.RouteInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 69 | import android.net.wifi.WifiStateTracker; |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 70 | import android.net.wimax.WimaxManagerConstants; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 71 | import android.os.Binder; |
Mike Lockwood | da8bb74 | 2011-05-28 13:24:04 -0400 | [diff] [blame] | 72 | import android.os.FileUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | import android.os.Handler; |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 74 | import android.os.HandlerThread; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 75 | import android.os.IBinder; |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 76 | import android.os.INetworkManagementService; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | import android.os.Looper; |
| 78 | import android.os.Message; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 79 | import android.os.ParcelFileDescriptor; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 80 | import android.os.PowerManager; |
Jeff Sharkey | f56e243 | 2012-09-06 17:54:29 -0700 | [diff] [blame] | 81 | import android.os.Process; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 82 | import android.os.RemoteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 83 | import android.os.ServiceManager; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 84 | import android.os.SystemClock; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | import android.os.SystemProperties; |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 86 | import android.os.UserHandle; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | import android.provider.Settings; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 88 | import android.security.Credentials; |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 89 | import android.security.KeyStore; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 90 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | import android.util.EventLog; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 92 | import android.util.Slog; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 93 | import android.util.SparseIntArray; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 94 | |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 95 | import com.android.internal.net.LegacyVpnInfo; |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 96 | import com.android.internal.net.VpnConfig; |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 97 | import com.android.internal.net.VpnProfile; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 98 | import com.android.internal.telephony.Phone; |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 99 | import com.android.internal.telephony.PhoneConstants; |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 100 | import com.android.internal.util.IndentingPrintWriter; |
Jeff Sharkey | 1059c3c | 2011-10-04 16:54:49 -0700 | [diff] [blame] | 101 | import com.android.server.am.BatteryStatsService; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 102 | import com.android.server.connectivity.Tethering; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 103 | import com.android.server.connectivity.Vpn; |
Jeff Sharkey | 216c181 | 2012-08-05 14:29:23 -0700 | [diff] [blame] | 104 | import com.android.server.net.BaseNetworkObserver; |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 105 | import com.android.server.net.LockdownVpnTracker; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 106 | import com.google.android.collect.Lists; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 107 | import com.google.android.collect.Sets; |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 108 | |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 109 | import dalvik.system.DexClassLoader; |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 110 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 111 | import java.io.FileDescriptor; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 112 | import java.io.IOException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 113 | import java.io.PrintWriter; |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 114 | import java.lang.reflect.Constructor; |
Wink Saville | c9822c5 | 2011-07-14 12:23:28 -0700 | [diff] [blame] | 115 | import java.net.Inet4Address; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 116 | import java.net.Inet6Address; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 117 | import java.net.InetAddress; |
| 118 | import java.net.UnknownHostException; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 119 | import java.util.ArrayList; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 120 | import java.util.Arrays; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 121 | import java.util.Collection; |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 122 | import java.util.GregorianCalendar; |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 123 | import java.util.HashSet; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 124 | import java.util.List; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 125 | |
| 126 | /** |
| 127 | * @hide |
| 128 | */ |
| 129 | public class ConnectivityService extends IConnectivityManager.Stub { |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 130 | private static final String TAG = "ConnectivityService"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 131 | |
Robert Greenwalt | ba175a5 | 2010-10-05 19:12:26 -0700 | [diff] [blame] | 132 | private static final boolean DBG = true; |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 133 | private static final boolean VDBG = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 134 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 135 | private static final boolean LOGD_RULES = false; |
| 136 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 137 | // TODO: create better separation between radio types and network types |
| 138 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 139 | // how long to wait before switching back to a radio's default network |
| 140 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 141 | // system property that can override the above value |
| 142 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 143 | "android.telephony.apn-restore"; |
| 144 | |
Robert Greenwalt | f43396c | 2011-05-06 17:10:53 -0700 | [diff] [blame] | 145 | // used in recursive route setting to add gateways for the host for which |
| 146 | // a host route was requested. |
| 147 | private static final int MAX_HOSTROUTE_CYCLE_COUNT = 10; |
| 148 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 149 | private Tethering mTethering; |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 150 | private boolean mTetheringConfigValid = false; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 151 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 152 | private KeyStore mKeyStore; |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 153 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 154 | private Vpn mVpn; |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 155 | private VpnCallback mVpnCallback = new VpnCallback(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 156 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 157 | private boolean mLockdownEnabled; |
| 158 | private LockdownVpnTracker mLockdownTracker; |
| 159 | |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 160 | /** Lock around {@link #mUidRules} and {@link #mMeteredIfaces}. */ |
| 161 | private Object mRulesLock = new Object(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 162 | /** Currently active network rules by UID. */ |
| 163 | private SparseIntArray mUidRules = new SparseIntArray(); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 164 | /** Set of ifaces that are costly. */ |
| 165 | private HashSet<String> mMeteredIfaces = Sets.newHashSet(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 166 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 167 | /** |
| 168 | * Sometimes we want to refer to the individual network state |
| 169 | * trackers separately, and sometimes we just want to treat them |
| 170 | * abstractly. |
| 171 | */ |
| 172 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 173 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 174 | /* Handles captive portal check on a network */ |
| 175 | private CaptivePortalTracker mCaptivePortalTracker; |
| 176 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 177 | /** |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 178 | * The link properties that define the current links |
| 179 | */ |
| 180 | private LinkProperties mCurrentLinkProperties[]; |
| 181 | |
| 182 | /** |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 183 | * A per Net list of the PID's that requested access to the net |
| 184 | * used both as a refcount and for per-PID DNS selection |
| 185 | */ |
| 186 | private List mNetRequestersPids[]; |
| 187 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 188 | // priority order of the nettrackers |
| 189 | // (excluding dynamically set mNetworkPreference) |
| 190 | // TODO - move mNetworkTypePreference into this |
| 191 | private int[] mPriorityList; |
| 192 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 193 | private Context mContext; |
| 194 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 195 | private int mActiveDefaultNetwork = -1; |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 196 | // 0 is full bad, 100 is full good |
| 197 | private int mDefaultInetCondition = 0; |
| 198 | private int mDefaultInetConditionPublished = 0; |
| 199 | private boolean mInetConditionChangeInFlight = false; |
| 200 | private int mDefaultConnectionSequence = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 201 | |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 202 | private Object mDnsLock = new Object(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 203 | private int mNumDnsEntries; |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 204 | private boolean mDnsOverridden = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 205 | |
| 206 | private boolean mTestMode; |
Joe Onorato | 0009287 | 2010-09-01 21:18:22 -0700 | [diff] [blame] | 207 | private static ConnectivityService sServiceInstance; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 208 | |
Robert Greenwalt | 59b1a4e | 2011-05-10 15:05:02 -0700 | [diff] [blame] | 209 | private INetworkManagementService mNetd; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 210 | private INetworkPolicyManager mPolicyManager; |
Robert Greenwalt | 59b1a4e | 2011-05-10 15:05:02 -0700 | [diff] [blame] | 211 | |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 212 | private static final int ENABLED = 1; |
| 213 | private static final int DISABLED = 0; |
| 214 | |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 215 | private static final boolean ADD = true; |
| 216 | private static final boolean REMOVE = false; |
| 217 | |
| 218 | private static final boolean TO_DEFAULT_TABLE = true; |
| 219 | private static final boolean TO_SECONDARY_TABLE = false; |
| 220 | |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 221 | /** |
| 222 | * used internally as a delayed event to make us switch back to the |
| 223 | * default network |
| 224 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 225 | private static final int EVENT_RESTORE_DEFAULT_NETWORK = 1; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 226 | |
| 227 | /** |
| 228 | * used internally to change our mobile data enabled flag |
| 229 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 230 | private static final int EVENT_CHANGE_MOBILE_DATA_ENABLED = 2; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 231 | |
| 232 | /** |
| 233 | * used internally to change our network preference setting |
| 234 | * arg1 = networkType to prefer |
| 235 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 236 | private static final int EVENT_SET_NETWORK_PREFERENCE = 3; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 237 | |
| 238 | /** |
| 239 | * used internally to synchronize inet condition reports |
| 240 | * arg1 = networkType |
| 241 | * arg2 = condition (0 bad, 100 good) |
| 242 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 243 | private static final int EVENT_INET_CONDITION_CHANGE = 4; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 244 | |
| 245 | /** |
| 246 | * used internally to mark the end of inet condition hold periods |
| 247 | * arg1 = networkType |
| 248 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 249 | private static final int EVENT_INET_CONDITION_HOLD_END = 5; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 250 | |
| 251 | /** |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 252 | * used internally to set enable/disable cellular data |
| 253 | * arg1 = ENBALED or DISABLED |
| 254 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 255 | private static final int EVENT_SET_MOBILE_DATA = 7; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 256 | |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 257 | /** |
| 258 | * used internally to clear a wakelock when transitioning |
| 259 | * from one net to another |
| 260 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 261 | private static final int EVENT_CLEAR_NET_TRANSITION_WAKELOCK = 8; |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 262 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 263 | /** |
| 264 | * used internally to reload global proxy settings |
| 265 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 266 | private static final int EVENT_APPLY_GLOBAL_HTTP_PROXY = 9; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 267 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 268 | /** |
| 269 | * used internally to set external dependency met/unmet |
| 270 | * arg1 = ENABLED (met) or DISABLED (unmet) |
| 271 | * arg2 = NetworkType |
| 272 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 273 | private static final int EVENT_SET_DEPENDENCY_MET = 10; |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 274 | |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 275 | /** |
| 276 | * used internally to restore DNS properties back to the |
| 277 | * default network |
| 278 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 279 | private static final int EVENT_RESTORE_DNS = 11; |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 280 | |
Wink Saville | 2b30afd | 2011-08-05 11:40:22 -0700 | [diff] [blame] | 281 | /** |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 282 | * used internally to send a sticky broadcast delayed. |
| 283 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 284 | private static final int EVENT_SEND_STICKY_BROADCAST_INTENT = 12; |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 285 | |
Jeff Sharkey | 8e28b7d | 2011-08-19 02:24:24 -0700 | [diff] [blame] | 286 | /** |
| 287 | * Used internally to |
| 288 | * {@link NetworkStateTracker#setPolicyDataEnable(boolean)}. |
| 289 | */ |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 290 | private static final int EVENT_SET_POLICY_DATA_ENABLE = 13; |
Jeff Sharkey | 8e28b7d | 2011-08-19 02:24:24 -0700 | [diff] [blame] | 291 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 292 | private static final int EVENT_VPN_STATE_CHANGED = 14; |
| 293 | |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 294 | /** Handler used for internal events. */ |
| 295 | private InternalHandler mHandler; |
| 296 | /** Handler used for incoming {@link NetworkStateTracker} events. */ |
| 297 | private NetworkStateTrackerHandler mTrackerHandler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 298 | |
| 299 | // list of DeathRecipients used to make sure features are turned off when |
| 300 | // a process dies |
Kazuhiro Ondo | 3bed4c9 | 2011-07-19 11:23:37 -0500 | [diff] [blame] | 301 | private List<FeatureUser> mFeatureUsers; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 302 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 303 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 304 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 305 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 306 | private PowerManager.WakeLock mNetTransitionWakeLock; |
| 307 | private String mNetTransitionWakeLockCausedBy = ""; |
| 308 | private int mNetTransitionWakeLockSerialNumber; |
| 309 | private int mNetTransitionWakeLockTimeout; |
| 310 | |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 311 | private InetAddress mDefaultDns; |
| 312 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 313 | // this collection is used to refcount the added routes - if there are none left |
| 314 | // it's time to remove the route from the route table |
| 315 | private Collection<RouteInfo> mAddedRoutes = new ArrayList<RouteInfo>(); |
| 316 | |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 317 | // used in DBG mode to track inet condition reports |
| 318 | private static final int INET_CONDITION_LOG_MAX_SIZE = 15; |
| 319 | private ArrayList mInetLog; |
| 320 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 321 | // track the current default http proxy - tell the world if we get a new one (real change) |
| 322 | private ProxyProperties mDefaultProxy = null; |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 323 | private Object mDefaultProxyLock = new Object(); |
| 324 | private boolean mDefaultProxyDisabled = false; |
| 325 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 326 | // track the global proxy. |
| 327 | private ProxyProperties mGlobalProxy = null; |
| 328 | private final Object mGlobalProxyLock = new Object(); |
| 329 | |
| 330 | private SettingsObserver mSettingsObserver; |
| 331 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 332 | NetworkConfig[] mNetConfigs; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 333 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 334 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 335 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 336 | public int mSimultaneity; |
| 337 | public int mType; |
| 338 | public RadioAttributes(String init) { |
| 339 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 340 | mType = Integer.parseInt(fragments[0]); |
| 341 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 342 | } |
| 343 | } |
| 344 | RadioAttributes[] mRadioAttributes; |
| 345 | |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 346 | // the set of network types that can only be enabled by system/sig apps |
| 347 | List mProtectedNetworks; |
| 348 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 349 | public ConnectivityService(Context context, INetworkManagementService netd, |
| 350 | INetworkStatsService statsService, INetworkPolicyManager policyManager) { |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 351 | // Currently, omitting a NetworkFactory will create one internally |
| 352 | // TODO: create here when we have cleaner WiMAX support |
| 353 | this(context, netd, statsService, policyManager, null); |
| 354 | } |
| 355 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 356 | public ConnectivityService(Context context, INetworkManagementService netManager, |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 357 | INetworkStatsService statsService, INetworkPolicyManager policyManager, |
| 358 | NetworkFactory netFactory) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 359 | if (DBG) log("ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 360 | |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 361 | HandlerThread handlerThread = new HandlerThread("ConnectivityServiceThread"); |
| 362 | handlerThread.start(); |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 363 | mHandler = new InternalHandler(handlerThread.getLooper()); |
| 364 | mTrackerHandler = new NetworkStateTrackerHandler(handlerThread.getLooper()); |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 365 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 366 | if (netFactory == null) { |
| 367 | netFactory = new DefaultNetworkFactory(context, mTrackerHandler); |
| 368 | } |
| 369 | |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 370 | // setup our unique device name |
Robert Greenwalt | 733c629 | 2010-12-06 09:30:17 -0800 | [diff] [blame] | 371 | if (TextUtils.isEmpty(SystemProperties.get("net.hostname"))) { |
| 372 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 373 | Settings.Secure.ANDROID_ID); |
| 374 | if (id != null && id.length() > 0) { |
Irfan Sheriff | a10a3ad | 2011-09-20 15:17:07 -0700 | [diff] [blame] | 375 | String name = new String("android-").concat(id); |
Robert Greenwalt | 733c629 | 2010-12-06 09:30:17 -0800 | [diff] [blame] | 376 | SystemProperties.set("net.hostname", name); |
| 377 | } |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 378 | } |
| 379 | |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 380 | // read our default dns server ip |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 381 | String dns = Settings.Global.getString(context.getContentResolver(), |
| 382 | Settings.Global.DEFAULT_DNS_SERVER); |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 383 | if (dns == null || dns.length() == 0) { |
| 384 | dns = context.getResources().getString( |
| 385 | com.android.internal.R.string.config_default_dns_server); |
| 386 | } |
| 387 | try { |
Robert Greenwalt | e590373 | 2011-02-22 16:00:42 -0800 | [diff] [blame] | 388 | mDefaultDns = NetworkUtils.numericToInetAddress(dns); |
| 389 | } catch (IllegalArgumentException e) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 390 | loge("Error setting defaultDns using " + dns); |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 391 | } |
| 392 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 393 | mContext = checkNotNull(context, "missing Context"); |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 394 | mNetd = checkNotNull(netManager, "missing INetworkManagementService"); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 395 | mPolicyManager = checkNotNull(policyManager, "missing INetworkPolicyManager"); |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 396 | mKeyStore = KeyStore.getInstance(); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 397 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 398 | try { |
| 399 | mPolicyManager.registerListener(mPolicyListener); |
| 400 | } catch (RemoteException e) { |
| 401 | // ouch, no rules updates means some processes may never get network |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 402 | loge("unable to register INetworkPolicyListener" + e.toString()); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | final PowerManager powerManager = (PowerManager) context.getSystemService( |
| 406 | Context.POWER_SERVICE); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 407 | mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 408 | mNetTransitionWakeLockTimeout = mContext.getResources().getInteger( |
| 409 | com.android.internal.R.integer.config_networkTransitionTimeout); |
| 410 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 411 | mNetTrackers = new NetworkStateTracker[ |
| 412 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 413 | mCurrentLinkProperties = new LinkProperties[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 414 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 415 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 416 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 417 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 418 | mNetConfigs = new NetworkConfig[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 419 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 420 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 421 | String[] raStrings = context.getResources().getStringArray( |
| 422 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 423 | for (String raString : raStrings) { |
| 424 | RadioAttributes r = new RadioAttributes(raString); |
| 425 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 426 | loge("Error in radioAttributes - ignoring attempt to define type " + r.mType); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 427 | continue; |
| 428 | } |
| 429 | if (mRadioAttributes[r.mType] != null) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 430 | loge("Error in radioAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 431 | r.mType); |
| 432 | continue; |
| 433 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 434 | mRadioAttributes[r.mType] = r; |
| 435 | } |
| 436 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 437 | String[] naStrings = context.getResources().getStringArray( |
| 438 | com.android.internal.R.array.networkAttributes); |
| 439 | for (String naString : naStrings) { |
| 440 | try { |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 441 | NetworkConfig n = new NetworkConfig(naString); |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 442 | if (n.type > ConnectivityManager.MAX_NETWORK_TYPE) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 443 | loge("Error in networkAttributes - ignoring attempt to define type " + |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 444 | n.type); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 445 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 446 | } |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 447 | if (mNetConfigs[n.type] != null) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 448 | loge("Error in networkAttributes - ignoring attempt to redefine type " + |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 449 | n.type); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 450 | continue; |
| 451 | } |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 452 | if (mRadioAttributes[n.radio] == null) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 453 | loge("Error in networkAttributes - ignoring attempt to use undefined " + |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 454 | "radio " + n.radio + " in network type " + n.type); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 455 | continue; |
| 456 | } |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 457 | mNetConfigs[n.type] = n; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 458 | mNetworksDefined++; |
| 459 | } catch(Exception e) { |
| 460 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 461 | } |
| 462 | } |
| 463 | |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 464 | mProtectedNetworks = new ArrayList<Integer>(); |
| 465 | int[] protectedNetworks = context.getResources().getIntArray( |
| 466 | com.android.internal.R.array.config_protectedNetworks); |
| 467 | for (int p : protectedNetworks) { |
| 468 | if ((mNetConfigs[p] != null) && (mProtectedNetworks.contains(p) == false)) { |
| 469 | mProtectedNetworks.add(p); |
| 470 | } else { |
| 471 | if (DBG) loge("Ignoring protectedNetwork " + p); |
| 472 | } |
| 473 | } |
| 474 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 475 | // high priority first |
| 476 | mPriorityList = new int[mNetworksDefined]; |
| 477 | { |
| 478 | int insertionPoint = mNetworksDefined-1; |
| 479 | int currentLowest = 0; |
| 480 | int nextLowest = 0; |
| 481 | while (insertionPoint > -1) { |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 482 | for (NetworkConfig na : mNetConfigs) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 483 | if (na == null) continue; |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 484 | if (na.priority < currentLowest) continue; |
| 485 | if (na.priority > currentLowest) { |
| 486 | if (na.priority < nextLowest || nextLowest == 0) { |
| 487 | nextLowest = na.priority; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 488 | } |
| 489 | continue; |
| 490 | } |
Wink Saville | 975c848 | 2011-04-07 14:23:45 -0700 | [diff] [blame] | 491 | mPriorityList[insertionPoint--] = na.type; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 492 | } |
| 493 | currentLowest = nextLowest; |
| 494 | nextLowest = 0; |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 499 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 500 | mNetRequestersPids[i] = new ArrayList(); |
| 501 | } |
| 502 | |
Kazuhiro Ondo | 3bed4c9 | 2011-07-19 11:23:37 -0500 | [diff] [blame] | 503 | mFeatureUsers = new ArrayList<FeatureUser>(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 504 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 505 | mNumDnsEntries = 0; |
| 506 | |
| 507 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 508 | && SystemProperties.get("ro.build.type").equals("eng"); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 509 | |
| 510 | // Create and start trackers for hard-coded networks |
| 511 | for (int targetNetworkType : mPriorityList) { |
| 512 | final NetworkConfig config = mNetConfigs[targetNetworkType]; |
| 513 | final NetworkStateTracker tracker; |
| 514 | try { |
| 515 | tracker = netFactory.createTracker(targetNetworkType, config); |
| 516 | mNetTrackers[targetNetworkType] = tracker; |
| 517 | } catch (IllegalArgumentException e) { |
| 518 | Slog.e(TAG, "Problem creating " + getNetworkTypeName(targetNetworkType) |
| 519 | + " tracker: " + e); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 520 | continue; |
| 521 | } |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 522 | |
| 523 | tracker.startMonitoring(context, mTrackerHandler); |
| 524 | if (config.isDefault()) { |
| 525 | tracker.reconnect(); |
Robert Greenwalt | 6537b02 | 2011-11-10 16:55:20 -0800 | [diff] [blame] | 526 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 527 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 528 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 529 | mTethering = new Tethering(mContext, mNetd, statsService, this, mHandler.getLooper()); |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 530 | mTetheringConfigValid = ((mTethering.getTetherableUsbRegexs().length != 0 || |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 531 | mTethering.getTetherableWifiRegexs().length != 0 || |
| 532 | mTethering.getTetherableBluetoothRegexs().length != 0) && |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 533 | mTethering.getUpstreamIfaceTypes().length != 0); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 534 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 535 | mVpn = new Vpn(mContext, mVpnCallback, mNetd); |
| 536 | mVpn.startMonitoring(mContext, mTrackerHandler); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 537 | |
Chia-chi Yeh | 008ff39 | 2011-05-23 15:08:29 -0700 | [diff] [blame] | 538 | try { |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 539 | mNetd.registerObserver(mTethering); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 540 | mNetd.registerObserver(mDataActivityObserver); |
Chia-chi Yeh | 008ff39 | 2011-05-23 15:08:29 -0700 | [diff] [blame] | 541 | } catch (RemoteException e) { |
| 542 | loge("Error registering observer :" + e); |
| 543 | } |
| 544 | |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 545 | if (DBG) { |
| 546 | mInetLog = new ArrayList(); |
| 547 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 548 | |
| 549 | mSettingsObserver = new SettingsObserver(mHandler, EVENT_APPLY_GLOBAL_HTTP_PROXY); |
| 550 | mSettingsObserver.observe(mContext); |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 551 | |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 552 | mCaptivePortalTracker = CaptivePortalTracker.makeCaptivePortalTracker(mContext, this); |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 553 | loadGlobalProxy(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 554 | } |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 555 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 556 | /** |
| 557 | * Factory that creates {@link NetworkStateTracker} instances using given |
| 558 | * {@link NetworkConfig}. |
| 559 | */ |
| 560 | public interface NetworkFactory { |
| 561 | public NetworkStateTracker createTracker(int targetNetworkType, NetworkConfig config); |
| 562 | } |
| 563 | |
| 564 | private static class DefaultNetworkFactory implements NetworkFactory { |
| 565 | private final Context mContext; |
| 566 | private final Handler mTrackerHandler; |
| 567 | |
| 568 | public DefaultNetworkFactory(Context context, Handler trackerHandler) { |
| 569 | mContext = context; |
| 570 | mTrackerHandler = trackerHandler; |
| 571 | } |
| 572 | |
| 573 | @Override |
| 574 | public NetworkStateTracker createTracker(int targetNetworkType, NetworkConfig config) { |
| 575 | switch (config.radio) { |
| 576 | case TYPE_WIFI: |
| 577 | return new WifiStateTracker(targetNetworkType, config.name); |
| 578 | case TYPE_MOBILE: |
| 579 | return new MobileDataStateTracker(targetNetworkType, config.name); |
| 580 | case TYPE_DUMMY: |
| 581 | return new DummyDataStateTracker(targetNetworkType, config.name); |
| 582 | case TYPE_BLUETOOTH: |
| 583 | return BluetoothTetheringDataTracker.getInstance(); |
| 584 | case TYPE_WIMAX: |
| 585 | return makeWimaxStateTracker(mContext, mTrackerHandler); |
| 586 | case TYPE_ETHERNET: |
| 587 | return EthernetDataTracker.getInstance(); |
| 588 | default: |
| 589 | throw new IllegalArgumentException( |
| 590 | "Trying to create a NetworkStateTracker for an unknown radio type: " |
| 591 | + config.radio); |
| 592 | } |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | /** |
| 597 | * Loads external WiMAX library and registers as system service, returning a |
| 598 | * {@link NetworkStateTracker} for WiMAX. Caller is still responsible for |
| 599 | * invoking {@link NetworkStateTracker#startMonitoring(Context, Handler)}. |
| 600 | */ |
| 601 | private static NetworkStateTracker makeWimaxStateTracker( |
| 602 | Context context, Handler trackerHandler) { |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 603 | // Initialize Wimax |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 604 | DexClassLoader wimaxClassLoader; |
| 605 | Class wimaxStateTrackerClass = null; |
| 606 | Class wimaxServiceClass = null; |
| 607 | Class wimaxManagerClass; |
| 608 | String wimaxJarLocation; |
| 609 | String wimaxLibLocation; |
| 610 | String wimaxManagerClassName; |
| 611 | String wimaxServiceClassName; |
| 612 | String wimaxStateTrackerClassName; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 613 | |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 614 | NetworkStateTracker wimaxStateTracker = null; |
| 615 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 616 | boolean isWimaxEnabled = context.getResources().getBoolean( |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 617 | com.android.internal.R.bool.config_wimaxEnabled); |
| 618 | |
| 619 | if (isWimaxEnabled) { |
| 620 | try { |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 621 | wimaxJarLocation = context.getResources().getString( |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 622 | com.android.internal.R.string.config_wimaxServiceJarLocation); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 623 | wimaxLibLocation = context.getResources().getString( |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 624 | com.android.internal.R.string.config_wimaxNativeLibLocation); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 625 | wimaxManagerClassName = context.getResources().getString( |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 626 | com.android.internal.R.string.config_wimaxManagerClassname); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 627 | wimaxServiceClassName = context.getResources().getString( |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 628 | com.android.internal.R.string.config_wimaxServiceClassname); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 629 | wimaxStateTrackerClassName = context.getResources().getString( |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 630 | com.android.internal.R.string.config_wimaxStateTrackerClassname); |
| 631 | |
Dianne Hackborn | 7ff3011 | 2012-11-08 11:12:09 -0800 | [diff] [blame] | 632 | if (DBG) log("wimaxJarLocation: " + wimaxJarLocation); |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 633 | wimaxClassLoader = new DexClassLoader(wimaxJarLocation, |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 634 | new ContextWrapper(context).getCacheDir().getAbsolutePath(), |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 635 | wimaxLibLocation, ClassLoader.getSystemClassLoader()); |
| 636 | |
| 637 | try { |
| 638 | wimaxManagerClass = wimaxClassLoader.loadClass(wimaxManagerClassName); |
| 639 | wimaxStateTrackerClass = wimaxClassLoader.loadClass(wimaxStateTrackerClassName); |
| 640 | wimaxServiceClass = wimaxClassLoader.loadClass(wimaxServiceClassName); |
| 641 | } catch (ClassNotFoundException ex) { |
| 642 | loge("Exception finding Wimax classes: " + ex.toString()); |
| 643 | return null; |
| 644 | } |
| 645 | } catch(Resources.NotFoundException ex) { |
| 646 | loge("Wimax Resources does not exist!!! "); |
| 647 | return null; |
| 648 | } |
| 649 | |
| 650 | try { |
Dianne Hackborn | 7ff3011 | 2012-11-08 11:12:09 -0800 | [diff] [blame] | 651 | if (DBG) log("Starting Wimax Service... "); |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 652 | |
| 653 | Constructor wmxStTrkrConst = wimaxStateTrackerClass.getConstructor |
| 654 | (new Class[] {Context.class, Handler.class}); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 655 | wimaxStateTracker = (NetworkStateTracker) wmxStTrkrConst.newInstance( |
| 656 | context, trackerHandler); |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 657 | |
| 658 | Constructor wmxSrvConst = wimaxServiceClass.getDeclaredConstructor |
| 659 | (new Class[] {Context.class, wimaxStateTrackerClass}); |
| 660 | wmxSrvConst.setAccessible(true); |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 661 | IBinder svcInvoker = (IBinder)wmxSrvConst.newInstance(context, wimaxStateTracker); |
tk.mun | 148c7d0 | 2011-10-13 22:51:57 +0900 | [diff] [blame] | 662 | wmxSrvConst.setAccessible(false); |
| 663 | |
| 664 | ServiceManager.addService(WimaxManagerConstants.WIMAX_SERVICE, svcInvoker); |
| 665 | |
| 666 | } catch(Exception ex) { |
| 667 | loge("Exception creating Wimax classes: " + ex.toString()); |
| 668 | return null; |
| 669 | } |
| 670 | } else { |
| 671 | loge("Wimax is not enabled or not added to the network attributes!!! "); |
| 672 | return null; |
| 673 | } |
| 674 | |
| 675 | return wimaxStateTracker; |
| 676 | } |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 677 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 678 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 679 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 680 | * @param preference the new preference |
| 681 | */ |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 682 | public void setNetworkPreference(int preference) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 683 | enforceChangePermission(); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 684 | |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 685 | mHandler.sendMessage( |
| 686 | mHandler.obtainMessage(EVENT_SET_NETWORK_PREFERENCE, preference, 0)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | public int getNetworkPreference() { |
| 690 | enforceAccessPermission(); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 691 | int preference; |
| 692 | synchronized(this) { |
| 693 | preference = mNetworkPreference; |
| 694 | } |
| 695 | return preference; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 696 | } |
| 697 | |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 698 | private void handleSetNetworkPreference(int preference) { |
| 699 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 700 | mNetConfigs[preference] != null && |
| 701 | mNetConfigs[preference].isDefault()) { |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 702 | if (mNetworkPreference != preference) { |
| 703 | final ContentResolver cr = mContext.getContentResolver(); |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 704 | Settings.Global.putInt(cr, Settings.Global.NETWORK_PREFERENCE, preference); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 705 | synchronized(this) { |
| 706 | mNetworkPreference = preference; |
| 707 | } |
| 708 | enforcePreference(); |
| 709 | } |
| 710 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 711 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 712 | |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 713 | private int getConnectivityChangeDelay() { |
| 714 | final ContentResolver cr = mContext.getContentResolver(); |
| 715 | |
| 716 | /** Check system properties for the default value then use secure settings value, if any. */ |
| 717 | int defaultDelay = SystemProperties.getInt( |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 718 | "conn." + Settings.Global.CONNECTIVITY_CHANGE_DELAY, |
| 719 | ConnectivityManager.CONNECTIVITY_CHANGE_DELAY_DEFAULT); |
| 720 | return Settings.Global.getInt(cr, Settings.Global.CONNECTIVITY_CHANGE_DELAY, |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 721 | defaultDelay); |
| 722 | } |
| 723 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 724 | private int getPersistedNetworkPreference() { |
| 725 | final ContentResolver cr = mContext.getContentResolver(); |
| 726 | |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 727 | final int networkPrefSetting = Settings.Global |
| 728 | .getInt(cr, Settings.Global.NETWORK_PREFERENCE, -1); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 729 | if (networkPrefSetting != -1) { |
| 730 | return networkPrefSetting; |
| 731 | } |
| 732 | |
| 733 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 734 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 735 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 736 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 737 | * Make the state of network connectivity conform to the preference settings |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 738 | * In this method, we only tear down a non-preferred network. Establishing |
| 739 | * a connection to the preferred network is taken care of when we handle |
| 740 | * the disconnect event from the non-preferred network |
| 741 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 742 | */ |
| 743 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 744 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 745 | return; |
| 746 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 747 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 748 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 749 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 750 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 751 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 752 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 753 | if (DBG) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 754 | log("tearing down " + mNetTrackers[t].getNetworkInfo() + |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 755 | " in enforcePreference"); |
| 756 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 757 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 758 | } |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | private boolean teardown(NetworkStateTracker netTracker) { |
| 763 | if (netTracker.teardown()) { |
| 764 | netTracker.setTeardownRequested(true); |
| 765 | return true; |
| 766 | } else { |
| 767 | return false; |
| 768 | } |
| 769 | } |
| 770 | |
| 771 | /** |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 772 | * Check if UID should be blocked from using the network represented by the |
| 773 | * given {@link NetworkStateTracker}. |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 774 | */ |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 775 | private boolean isNetworkBlocked(NetworkStateTracker tracker, int uid) { |
| 776 | final String iface = tracker.getLinkProperties().getInterfaceName(); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 777 | |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 778 | final boolean networkCostly; |
| 779 | final int uidRules; |
| 780 | synchronized (mRulesLock) { |
| 781 | networkCostly = mMeteredIfaces.contains(iface); |
| 782 | uidRules = mUidRules.get(uid, RULE_ALLOW_ALL); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 783 | } |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 784 | |
| 785 | if (networkCostly && (uidRules & RULE_REJECT_METERED) != 0) { |
| 786 | return true; |
| 787 | } |
| 788 | |
| 789 | // no restrictive rules; network is visible |
| 790 | return false; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 791 | } |
| 792 | |
| 793 | /** |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 794 | * Return a filtered {@link NetworkInfo}, potentially marked |
| 795 | * {@link DetailedState#BLOCKED} based on |
| 796 | * {@link #isNetworkBlocked(NetworkStateTracker, int)}. |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 797 | */ |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 798 | private NetworkInfo getFilteredNetworkInfo(NetworkStateTracker tracker, int uid) { |
| 799 | NetworkInfo info = tracker.getNetworkInfo(); |
| 800 | if (isNetworkBlocked(tracker, uid)) { |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 801 | // network is blocked; clone and override state |
| 802 | info = new NetworkInfo(info); |
| 803 | info.setDetailedState(DetailedState.BLOCKED, null, null); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 804 | } |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 805 | if (mLockdownTracker != null) { |
| 806 | info = mLockdownTracker.augmentNetworkInfo(info); |
| 807 | } |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 808 | return info; |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 812 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 813 | * It is assumed that at most one network is active at a time. If more |
| 814 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 815 | * @return the info for the active network, or {@code null} if none is |
| 816 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 817 | */ |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 818 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 819 | public NetworkInfo getActiveNetworkInfo() { |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 820 | enforceAccessPermission(); |
| 821 | final int uid = Binder.getCallingUid(); |
| 822 | return getNetworkInfo(mActiveDefaultNetwork, uid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 823 | } |
| 824 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 825 | public NetworkInfo getActiveNetworkInfoUnfiltered() { |
| 826 | enforceAccessPermission(); |
| 827 | if (isNetworkTypeValid(mActiveDefaultNetwork)) { |
| 828 | final NetworkStateTracker tracker = mNetTrackers[mActiveDefaultNetwork]; |
| 829 | if (tracker != null) { |
| 830 | return tracker.getNetworkInfo(); |
| 831 | } |
| 832 | } |
| 833 | return null; |
| 834 | } |
| 835 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 836 | @Override |
| 837 | public NetworkInfo getActiveNetworkInfoForUid(int uid) { |
| 838 | enforceConnectivityInternalPermission(); |
| 839 | return getNetworkInfo(mActiveDefaultNetwork, uid); |
| 840 | } |
| 841 | |
| 842 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 843 | public NetworkInfo getNetworkInfo(int networkType) { |
| 844 | enforceAccessPermission(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 845 | final int uid = Binder.getCallingUid(); |
| 846 | return getNetworkInfo(networkType, uid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 847 | } |
| 848 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 849 | private NetworkInfo getNetworkInfo(int networkType, int uid) { |
| 850 | NetworkInfo info = null; |
| 851 | if (isNetworkTypeValid(networkType)) { |
| 852 | final NetworkStateTracker tracker = mNetTrackers[networkType]; |
| 853 | if (tracker != null) { |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 854 | info = getFilteredNetworkInfo(tracker, uid); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 855 | } |
| 856 | } |
| 857 | return info; |
| 858 | } |
| 859 | |
| 860 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 861 | public NetworkInfo[] getAllNetworkInfo() { |
| 862 | enforceAccessPermission(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 863 | final int uid = Binder.getCallingUid(); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 864 | final ArrayList<NetworkInfo> result = Lists.newArrayList(); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 865 | synchronized (mRulesLock) { |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 866 | for (NetworkStateTracker tracker : mNetTrackers) { |
| 867 | if (tracker != null) { |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 868 | result.add(getFilteredNetworkInfo(tracker, uid)); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 869 | } |
| 870 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 871 | } |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 872 | return result.toArray(new NetworkInfo[result.size()]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | } |
| 874 | |
Robert Greenwalt | 9b2886e | 2011-08-31 11:46:42 -0700 | [diff] [blame] | 875 | @Override |
| 876 | public boolean isNetworkSupported(int networkType) { |
| 877 | enforceAccessPermission(); |
| 878 | return (isNetworkTypeValid(networkType) && (mNetTrackers[networkType] != null)); |
| 879 | } |
| 880 | |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 881 | /** |
| 882 | * Return LinkProperties for the active (i.e., connected) default |
| 883 | * network interface. It is assumed that at most one default network |
| 884 | * is active at a time. If more than one is active, it is indeterminate |
| 885 | * which will be returned. |
| 886 | * @return the ip properties for the active network, or {@code null} if |
| 887 | * none is active |
| 888 | */ |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 889 | @Override |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 890 | public LinkProperties getActiveLinkProperties() { |
Robert Greenwalt | 5991158 | 2011-05-20 12:23:41 -0700 | [diff] [blame] | 891 | return getLinkProperties(mActiveDefaultNetwork); |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 892 | } |
| 893 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 894 | @Override |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 895 | public LinkProperties getLinkProperties(int networkType) { |
| 896 | enforceAccessPermission(); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 897 | if (isNetworkTypeValid(networkType)) { |
| 898 | final NetworkStateTracker tracker = mNetTrackers[networkType]; |
| 899 | if (tracker != null) { |
| 900 | return tracker.getLinkProperties(); |
| 901 | } |
Robert Greenwalt | d192dad | 2010-09-14 09:18:02 -0700 | [diff] [blame] | 902 | } |
| 903 | return null; |
| 904 | } |
| 905 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 906 | @Override |
| 907 | public NetworkState[] getAllNetworkState() { |
| 908 | enforceAccessPermission(); |
| 909 | final int uid = Binder.getCallingUid(); |
| 910 | final ArrayList<NetworkState> result = Lists.newArrayList(); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 911 | synchronized (mRulesLock) { |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 912 | for (NetworkStateTracker tracker : mNetTrackers) { |
| 913 | if (tracker != null) { |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 914 | final NetworkInfo info = getFilteredNetworkInfo(tracker, uid); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 915 | result.add(new NetworkState( |
| 916 | info, tracker.getLinkProperties(), tracker.getLinkCapabilities())); |
| 917 | } |
| 918 | } |
| 919 | } |
| 920 | return result.toArray(new NetworkState[result.size()]); |
| 921 | } |
| 922 | |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 923 | private NetworkState getNetworkStateUnchecked(int networkType) { |
| 924 | if (isNetworkTypeValid(networkType)) { |
| 925 | final NetworkStateTracker tracker = mNetTrackers[networkType]; |
| 926 | if (tracker != null) { |
| 927 | return new NetworkState(tracker.getNetworkInfo(), tracker.getLinkProperties(), |
| 928 | tracker.getLinkCapabilities()); |
| 929 | } |
| 930 | } |
| 931 | return null; |
| 932 | } |
| 933 | |
| 934 | @Override |
| 935 | public NetworkQuotaInfo getActiveNetworkQuotaInfo() { |
| 936 | enforceAccessPermission(); |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 937 | |
| 938 | final long token = Binder.clearCallingIdentity(); |
| 939 | try { |
| 940 | final NetworkState state = getNetworkStateUnchecked(mActiveDefaultNetwork); |
| 941 | if (state != null) { |
| 942 | try { |
| 943 | return mPolicyManager.getNetworkQuotaInfo(state); |
| 944 | } catch (RemoteException e) { |
| 945 | } |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 946 | } |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 947 | return null; |
| 948 | } finally { |
| 949 | Binder.restoreCallingIdentity(token); |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 950 | } |
Jeff Sharkey | f0ceede | 2011-08-02 17:22:34 -0700 | [diff] [blame] | 951 | } |
| 952 | |
Jeff Sharkey | 9f7cbf0 | 2012-04-12 18:34:54 -0700 | [diff] [blame] | 953 | @Override |
| 954 | public boolean isActiveNetworkMetered() { |
| 955 | enforceAccessPermission(); |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 956 | final long token = Binder.clearCallingIdentity(); |
| 957 | try { |
Jeff Sharkey | 5f4dafb | 2012-04-30 15:47:05 -0700 | [diff] [blame] | 958 | return isNetworkMeteredUnchecked(mActiveDefaultNetwork); |
Jeff Sharkey | 15ec7d6 | 2012-04-17 12:23:40 -0700 | [diff] [blame] | 959 | } finally { |
| 960 | Binder.restoreCallingIdentity(token); |
Jeff Sharkey | 9f7cbf0 | 2012-04-12 18:34:54 -0700 | [diff] [blame] | 961 | } |
Jeff Sharkey | 9f7cbf0 | 2012-04-12 18:34:54 -0700 | [diff] [blame] | 962 | } |
| 963 | |
Jeff Sharkey | 5f4dafb | 2012-04-30 15:47:05 -0700 | [diff] [blame] | 964 | private boolean isNetworkMeteredUnchecked(int networkType) { |
| 965 | final NetworkState state = getNetworkStateUnchecked(networkType); |
| 966 | if (state != null) { |
| 967 | try { |
| 968 | return mPolicyManager.isNetworkMetered(state); |
| 969 | } catch (RemoteException e) { |
| 970 | } |
| 971 | } |
| 972 | return false; |
| 973 | } |
| 974 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 975 | public boolean setRadios(boolean turnOn) { |
| 976 | boolean result = true; |
| 977 | enforceChangePermission(); |
| 978 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 979 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 980 | } |
| 981 | return result; |
| 982 | } |
| 983 | |
| 984 | public boolean setRadio(int netType, boolean turnOn) { |
| 985 | enforceChangePermission(); |
| 986 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 987 | return false; |
| 988 | } |
| 989 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 990 | return tracker != null && tracker.setRadio(turnOn); |
| 991 | } |
| 992 | |
Jeff Sharkey | 216c181 | 2012-08-05 14:29:23 -0700 | [diff] [blame] | 993 | private INetworkManagementEventObserver mDataActivityObserver = new BaseNetworkObserver() { |
| 994 | @Override |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 995 | public void interfaceClassDataActivityChanged(String label, boolean active) { |
| 996 | int deviceType = Integer.parseInt(label); |
| 997 | sendDataActivityBroadcast(deviceType, active); |
| 998 | } |
Jeff Sharkey | 216c181 | 2012-08-05 14:29:23 -0700 | [diff] [blame] | 999 | }; |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1000 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1001 | /** |
| 1002 | * Used to notice when the calling process dies so we can self-expire |
| 1003 | * |
| 1004 | * Also used to know if the process has cleaned up after itself when |
| 1005 | * our auto-expire timer goes off. The timer has a link to an object. |
| 1006 | * |
| 1007 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1008 | private class FeatureUser implements IBinder.DeathRecipient { |
| 1009 | int mNetworkType; |
| 1010 | String mFeature; |
| 1011 | IBinder mBinder; |
| 1012 | int mPid; |
| 1013 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1014 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1015 | |
| 1016 | FeatureUser(int type, String feature, IBinder binder) { |
| 1017 | super(); |
| 1018 | mNetworkType = type; |
| 1019 | mFeature = feature; |
| 1020 | mBinder = binder; |
| 1021 | mPid = getCallingPid(); |
| 1022 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1023 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1024 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1025 | try { |
| 1026 | mBinder.linkToDeath(this, 0); |
| 1027 | } catch (RemoteException e) { |
| 1028 | binderDied(); |
| 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | void unlinkDeathRecipient() { |
| 1033 | mBinder.unlinkToDeath(this, 0); |
| 1034 | } |
| 1035 | |
| 1036 | public void binderDied() { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 1037 | log("ConnectivityService FeatureUser binderDied(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1038 | mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + |
| 1039 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1040 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1041 | } |
| 1042 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1043 | public void expire() { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1044 | if (VDBG) { |
| 1045 | log("ConnectivityService FeatureUser expire(" + |
| 1046 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 1047 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
| 1048 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1049 | stopUsingNetworkFeature(this, false); |
| 1050 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1051 | |
Kazuhiro Ondo | 3bed4c9 | 2011-07-19 11:23:37 -0500 | [diff] [blame] | 1052 | public boolean isSameUser(FeatureUser u) { |
| 1053 | if (u == null) return false; |
| 1054 | |
| 1055 | return isSameUser(u.mPid, u.mUid, u.mNetworkType, u.mFeature); |
| 1056 | } |
| 1057 | |
| 1058 | public boolean isSameUser(int pid, int uid, int networkType, String feature) { |
| 1059 | if ((mPid == pid) && (mUid == uid) && (mNetworkType == networkType) && |
| 1060 | TextUtils.equals(mFeature, feature)) { |
| 1061 | return true; |
| 1062 | } |
| 1063 | return false; |
| 1064 | } |
| 1065 | |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1066 | public String toString() { |
| 1067 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 1068 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 1069 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1070 | } |
| 1071 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1072 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1073 | public int startUsingNetworkFeature(int networkType, String feature, |
| 1074 | IBinder binder) { |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1075 | long startTime = 0; |
| 1076 | if (DBG) { |
| 1077 | startTime = SystemClock.elapsedRealtime(); |
| 1078 | } |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1079 | if (VDBG) { |
Jeff Sharkey | 5f4dafb | 2012-04-30 15:47:05 -0700 | [diff] [blame] | 1080 | log("startUsingNetworkFeature for net " + networkType + ": " + feature + ", uid=" |
| 1081 | + Binder.getCallingUid()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1082 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1083 | enforceChangePermission(); |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1084 | try { |
| 1085 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 1086 | mNetConfigs[networkType] == null) { |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1087 | return PhoneConstants.APN_REQUEST_FAILED; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1088 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1089 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1090 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1091 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1092 | // TODO - move this into individual networktrackers |
| 1093 | int usedNetworkType = convertFeatureToNetworkType(networkType, feature); |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 1094 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1095 | if (mLockdownEnabled) { |
| 1096 | // Since carrier APNs usually aren't available from VPN |
| 1097 | // endpoint, mark them as unavailable. |
| 1098 | return PhoneConstants.APN_TYPE_NOT_AVAILABLE; |
| 1099 | } |
| 1100 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1101 | if (mProtectedNetworks.contains(usedNetworkType)) { |
| 1102 | enforceConnectivityInternalPermission(); |
| 1103 | } |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 1104 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1105 | // if UID is restricted, don't allow them to bring up metered APNs |
| 1106 | final boolean networkMetered = isNetworkMeteredUnchecked(usedNetworkType); |
| 1107 | final int uidRules; |
| 1108 | synchronized (mRulesLock) { |
| 1109 | uidRules = mUidRules.get(Binder.getCallingUid(), RULE_ALLOW_ALL); |
| 1110 | } |
| 1111 | if (networkMetered && (uidRules & RULE_REJECT_METERED) != 0) { |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1112 | return PhoneConstants.APN_REQUEST_FAILED; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1113 | } |
Jeff Sharkey | 5f4dafb | 2012-04-30 15:47:05 -0700 | [diff] [blame] | 1114 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1115 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 1116 | if (network != null) { |
| 1117 | Integer currentPid = new Integer(getCallingPid()); |
| 1118 | if (usedNetworkType != networkType) { |
| 1119 | NetworkInfo ni = network.getNetworkInfo(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1120 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1121 | if (ni.isAvailable() == false) { |
| 1122 | if (!TextUtils.equals(feature,Phone.FEATURE_ENABLE_DUN_ALWAYS)) { |
| 1123 | if (DBG) log("special network not available ni=" + ni.getTypeName()); |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1124 | return PhoneConstants.APN_TYPE_NOT_AVAILABLE; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1125 | } else { |
| 1126 | // else make the attempt anyway - probably giving REQUEST_STARTED below |
| 1127 | if (DBG) { |
| 1128 | log("special network not available, but try anyway ni=" + |
| 1129 | ni.getTypeName()); |
Kazuhiro Ondo | 3bed4c9 | 2011-07-19 11:23:37 -0500 | [diff] [blame] | 1130 | } |
| 1131 | } |
| 1132 | } |
| 1133 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1134 | int restoreTimer = getRestoreDefaultNetworkDelay(usedNetworkType); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1135 | |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1136 | synchronized(this) { |
| 1137 | boolean addToList = true; |
| 1138 | if (restoreTimer < 0) { |
| 1139 | // In case there is no timer is specified for the feature, |
| 1140 | // make sure we don't add duplicate entry with the same request. |
| 1141 | for (FeatureUser u : mFeatureUsers) { |
| 1142 | if (u.isSameUser(f)) { |
| 1143 | // Duplicate user is found. Do not add. |
| 1144 | addToList = false; |
| 1145 | break; |
| 1146 | } |
| 1147 | } |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1148 | } |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1149 | |
| 1150 | if (addToList) mFeatureUsers.add(f); |
| 1151 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 1152 | // this gets used for per-pid dns when connected |
| 1153 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 1154 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1155 | } |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1156 | |
| 1157 | if (restoreTimer >= 0) { |
| 1158 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1159 | EVENT_RESTORE_DEFAULT_NETWORK, f), restoreTimer); |
| 1160 | } |
| 1161 | |
| 1162 | if ((ni.isConnectedOrConnecting() == true) && |
| 1163 | !network.isTeardownRequested()) { |
| 1164 | if (ni.isConnected() == true) { |
| 1165 | final long token = Binder.clearCallingIdentity(); |
| 1166 | try { |
| 1167 | // add the pid-specific dns |
| 1168 | handleDnsConfigurationChange(usedNetworkType); |
| 1169 | if (VDBG) log("special network already active"); |
| 1170 | } finally { |
| 1171 | Binder.restoreCallingIdentity(token); |
| 1172 | } |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1173 | return PhoneConstants.APN_ALREADY_ACTIVE; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1174 | } |
| 1175 | if (VDBG) log("special network already connecting"); |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1176 | return PhoneConstants.APN_REQUEST_STARTED; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | // check if the radio in play can make another contact |
| 1180 | // assume if cannot for now |
| 1181 | |
| 1182 | if (DBG) { |
| 1183 | log("startUsingNetworkFeature reconnecting to " + networkType + ": " + |
| 1184 | feature); |
| 1185 | } |
| 1186 | network.reconnect(); |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1187 | return PhoneConstants.APN_REQUEST_STARTED; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1188 | } else { |
| 1189 | // need to remember this unsupported request so we respond appropriately on stop |
| 1190 | synchronized(this) { |
| 1191 | mFeatureUsers.add(f); |
| 1192 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 1193 | // this gets used for per-pid dns when connected |
| 1194 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 1195 | } |
Robert Greenwalt | 0be1e98 | 2010-12-15 13:26:33 -0800 | [diff] [blame] | 1196 | } |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1197 | return -1; |
Robert Greenwalt | 0be1e98 | 2010-12-15 13:26:33 -0800 | [diff] [blame] | 1198 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1199 | } |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 1200 | return PhoneConstants.APN_TYPE_NOT_AVAILABLE; |
Robert Greenwalt | 5a0c320 | 2012-05-22 16:07:46 -0700 | [diff] [blame] | 1201 | } finally { |
| 1202 | if (DBG) { |
| 1203 | final long execTime = SystemClock.elapsedRealtime() - startTime; |
| 1204 | if (execTime > 250) { |
| 1205 | loge("startUsingNetworkFeature took too long: " + execTime + "ms"); |
| 1206 | } else { |
| 1207 | if (VDBG) log("startUsingNetworkFeature took " + execTime + "ms"); |
| 1208 | } |
| 1209 | } |
| 1210 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1211 | } |
| 1212 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1213 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1214 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 1215 | enforceChangePermission(); |
| 1216 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1217 | int pid = getCallingPid(); |
| 1218 | int uid = getCallingUid(); |
| 1219 | |
| 1220 | FeatureUser u = null; |
| 1221 | boolean found = false; |
| 1222 | |
| 1223 | synchronized(this) { |
Kazuhiro Ondo | 3bed4c9 | 2011-07-19 11:23:37 -0500 | [diff] [blame] | 1224 | for (FeatureUser x : mFeatureUsers) { |
| 1225 | if (x.isSameUser(pid, uid, networkType, feature)) { |
| 1226 | u = x; |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1227 | found = true; |
| 1228 | break; |
| 1229 | } |
| 1230 | } |
| 1231 | } |
| 1232 | if (found && u != null) { |
| 1233 | // stop regardless of how many other time this proc had called start |
| 1234 | return stopUsingNetworkFeature(u, true); |
| 1235 | } else { |
| 1236 | // none found! |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1237 | if (VDBG) log("stopUsingNetworkFeature - not a live request, ignoring"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1238 | return 1; |
| 1239 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1240 | } |
| 1241 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1242 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 1243 | int networkType = u.mNetworkType; |
| 1244 | String feature = u.mFeature; |
| 1245 | int pid = u.mPid; |
| 1246 | int uid = u.mUid; |
| 1247 | |
| 1248 | NetworkStateTracker tracker = null; |
| 1249 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 1250 | |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1251 | if (VDBG) { |
| 1252 | log("stopUsingNetworkFeature: net " + networkType + ": " + feature); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1253 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 1254 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1255 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1256 | if (DBG) { |
| 1257 | log("stopUsingNetworkFeature: net " + networkType + ": " + feature + |
| 1258 | ", net is invalid"); |
| 1259 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1260 | return -1; |
| 1261 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1262 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1263 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 1264 | // sync block |
| 1265 | synchronized(this) { |
| 1266 | // check if this process still has an outstanding start request |
| 1267 | if (!mFeatureUsers.contains(u)) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1268 | if (VDBG) { |
| 1269 | log("stopUsingNetworkFeature: this process has no outstanding requests" + |
| 1270 | ", ignoring"); |
| 1271 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1272 | return 1; |
| 1273 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1274 | u.unlinkDeathRecipient(); |
| 1275 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 1276 | // If we care about duplicate requests, check for that here. |
| 1277 | // |
| 1278 | // This is done to support the extension of a request - the app |
| 1279 | // can request we start the network feature again and renew the |
| 1280 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 1281 | // do not pay attention to duplicate requests - in effect the |
| 1282 | // API does not refcount and a single stop will counter multiple starts. |
| 1283 | if (ignoreDups == false) { |
Kazuhiro Ondo | 3bed4c9 | 2011-07-19 11:23:37 -0500 | [diff] [blame] | 1284 | for (FeatureUser x : mFeatureUsers) { |
| 1285 | if (x.isSameUser(u)) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1286 | if (VDBG) log("stopUsingNetworkFeature: dup is found, ignoring"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1287 | return 1; |
| 1288 | } |
| 1289 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1290 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1291 | |
repo sync | aea743a | 2011-07-29 23:55:49 -0700 | [diff] [blame] | 1292 | // TODO - move to individual network trackers |
| 1293 | int usedNetworkType = convertFeatureToNetworkType(networkType, feature); |
| 1294 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1295 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1296 | if (tracker == null) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1297 | if (DBG) { |
| 1298 | log("stopUsingNetworkFeature: net " + networkType + ": " + feature + |
| 1299 | " no known tracker for used net type " + usedNetworkType); |
| 1300 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1301 | return -1; |
| 1302 | } |
| 1303 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1304 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1305 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 1306 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1307 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1308 | if (VDBG) { |
| 1309 | log("stopUsingNetworkFeature: net " + networkType + ": " + feature + |
| 1310 | " others still using it"); |
| 1311 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1312 | return 1; |
| 1313 | } |
| 1314 | callTeardown = true; |
Robert Greenwalt | 19b9ab4 | 2011-01-10 11:58:31 -0800 | [diff] [blame] | 1315 | } else { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1316 | if (DBG) { |
| 1317 | log("stopUsingNetworkFeature: net " + networkType + ": " + feature + |
| 1318 | " not a known feature - dropping"); |
| 1319 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1320 | } |
| 1321 | } |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1322 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1323 | if (callTeardown) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1324 | if (DBG) { |
| 1325 | log("stopUsingNetworkFeature: teardown net " + networkType + ": " + feature); |
| 1326 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1327 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1328 | return 1; |
| 1329 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 1330 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1331 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | /** |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 1335 | * @deprecated use requestRouteToHostAddress instead |
| 1336 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1337 | * Ensure that a network route exists to deliver traffic to the specified |
| 1338 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1339 | * @param networkType the type of the network over which traffic to the |
| 1340 | * specified host is to be routed |
| 1341 | * @param hostAddress the IP address of the host to which the route is |
| 1342 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1343 | * @return {@code true} on success, {@code false} on failure |
| 1344 | */ |
| 1345 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 1346 | InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress); |
| 1347 | |
| 1348 | if (inetAddress == null) { |
| 1349 | return false; |
| 1350 | } |
| 1351 | |
| 1352 | return requestRouteToHostAddress(networkType, inetAddress.getAddress()); |
| 1353 | } |
| 1354 | |
| 1355 | /** |
| 1356 | * Ensure that a network route exists to deliver traffic to the specified |
| 1357 | * host via the specified network interface. |
| 1358 | * @param networkType the type of the network over which traffic to the |
| 1359 | * specified host is to be routed |
| 1360 | * @param hostAddress the IP address of the host to which the route is |
| 1361 | * desired |
| 1362 | * @return {@code true} on success, {@code false} on failure |
| 1363 | */ |
| 1364 | public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1365 | enforceChangePermission(); |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 1366 | if (mProtectedNetworks.contains(networkType)) { |
| 1367 | enforceConnectivityInternalPermission(); |
| 1368 | } |
| 1369 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1370 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1371 | if (DBG) log("requestRouteToHostAddress on invalid network: " + networkType); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1372 | return false; |
| 1373 | } |
| 1374 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 1375 | DetailedState netState = tracker.getNetworkInfo().getDetailedState(); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 1376 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 1377 | if (tracker == null || (netState != DetailedState.CONNECTED && |
| 1378 | netState != DetailedState.CAPTIVE_PORTAL_CHECK) || |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1379 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1380 | if (VDBG) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 1381 | log("requestRouteToHostAddress on down network " + |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 1382 | "(" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 1383 | } |
| 1384 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1385 | } |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1386 | final long token = Binder.clearCallingIdentity(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1387 | try { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 1388 | InetAddress addr = InetAddress.getByAddress(hostAddress); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1389 | LinkProperties lp = tracker.getLinkProperties(); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1390 | return addRouteToAddress(lp, addr); |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1391 | } catch (UnknownHostException e) { |
| 1392 | if (DBG) log("requestRouteToHostAddress got " + e.toString()); |
| 1393 | } finally { |
| 1394 | Binder.restoreCallingIdentity(token); |
| 1395 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1396 | return false; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1397 | } |
| 1398 | |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1399 | private boolean addRoute(LinkProperties p, RouteInfo r, boolean toDefaultTable) { |
| 1400 | return modifyRoute(p.getInterfaceName(), p, r, 0, ADD, toDefaultTable); |
Robert Greenwalt | f43396c | 2011-05-06 17:10:53 -0700 | [diff] [blame] | 1401 | } |
| 1402 | |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1403 | private boolean removeRoute(LinkProperties p, RouteInfo r, boolean toDefaultTable) { |
| 1404 | return modifyRoute(p.getInterfaceName(), p, r, 0, REMOVE, toDefaultTable); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1405 | } |
| 1406 | |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1407 | private boolean addRouteToAddress(LinkProperties lp, InetAddress addr) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1408 | return modifyRouteToAddress(lp, addr, ADD, TO_DEFAULT_TABLE); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1409 | } |
| 1410 | |
| 1411 | private boolean removeRouteToAddress(LinkProperties lp, InetAddress addr) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1412 | return modifyRouteToAddress(lp, addr, REMOVE, TO_DEFAULT_TABLE); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1413 | } |
| 1414 | |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1415 | private boolean modifyRouteToAddress(LinkProperties lp, InetAddress addr, boolean doAdd, |
| 1416 | boolean toDefaultTable) { |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1417 | RouteInfo bestRoute = RouteInfo.selectBestRoute(lp.getRoutes(), addr); |
| 1418 | if (bestRoute == null) { |
| 1419 | bestRoute = RouteInfo.makeHostRoute(addr); |
| 1420 | } else { |
| 1421 | if (bestRoute.getGateway().equals(addr)) { |
| 1422 | // if there is no better route, add the implied hostroute for our gateway |
| 1423 | bestRoute = RouteInfo.makeHostRoute(addr); |
| 1424 | } else { |
| 1425 | // if we will connect to this through another route, add a direct route |
| 1426 | // to it's gateway |
| 1427 | bestRoute = RouteInfo.makeHostRoute(addr, bestRoute.getGateway()); |
| 1428 | } |
| 1429 | } |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1430 | return modifyRoute(lp.getInterfaceName(), lp, bestRoute, 0, doAdd, toDefaultTable); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 1431 | } |
| 1432 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1433 | private boolean modifyRoute(String ifaceName, LinkProperties lp, RouteInfo r, int cycleCount, |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1434 | boolean doAdd, boolean toDefaultTable) { |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1435 | if ((ifaceName == null) || (lp == null) || (r == null)) { |
| 1436 | if (DBG) log("modifyRoute got unexpected null: " + ifaceName + ", " + lp + ", " + r); |
| 1437 | return false; |
| 1438 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1439 | |
| 1440 | if (cycleCount > MAX_HOSTROUTE_CYCLE_COUNT) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1441 | loge("Error modifying route - too much recursion"); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1442 | return false; |
| 1443 | } |
| 1444 | |
| 1445 | if (r.isHostRoute() == false) { |
| 1446 | RouteInfo bestRoute = RouteInfo.selectBestRoute(lp.getRoutes(), r.getGateway()); |
| 1447 | if (bestRoute != null) { |
Robert Greenwalt | 476f552 | 2011-07-15 09:45:08 -0700 | [diff] [blame] | 1448 | if (bestRoute.getGateway().equals(r.getGateway())) { |
| 1449 | // if there is no better route, add the implied hostroute for our gateway |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1450 | bestRoute = RouteInfo.makeHostRoute(r.getGateway()); |
Robert Greenwalt | 476f552 | 2011-07-15 09:45:08 -0700 | [diff] [blame] | 1451 | } else { |
| 1452 | // if we will connect to our gateway through another route, add a direct |
| 1453 | // route to it's gateway |
| 1454 | bestRoute = RouteInfo.makeHostRoute(r.getGateway(), bestRoute.getGateway()); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1455 | } |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1456 | modifyRoute(ifaceName, lp, bestRoute, cycleCount+1, doAdd, toDefaultTable); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1457 | } |
| 1458 | } |
| 1459 | if (doAdd) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1460 | if (VDBG) log("Adding " + r + " for interface " + ifaceName); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1461 | try { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1462 | if (toDefaultTable) { |
| 1463 | mAddedRoutes.add(r); // only track default table - only one apps can effect |
| 1464 | mNetd.addRoute(ifaceName, r); |
| 1465 | } else { |
| 1466 | mNetd.addSecondaryRoute(ifaceName, r); |
| 1467 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1468 | } catch (Exception e) { |
| 1469 | // never crash - catch them all |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 1470 | if (DBG) loge("Exception trying to add a route: " + e); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1471 | return false; |
| 1472 | } |
| 1473 | } else { |
| 1474 | // if we remove this one and there are no more like it, then refcount==0 and |
| 1475 | // we can remove it from the table |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1476 | if (toDefaultTable) { |
| 1477 | mAddedRoutes.remove(r); |
| 1478 | if (mAddedRoutes.contains(r) == false) { |
| 1479 | if (VDBG) log("Removing " + r + " for interface " + ifaceName); |
| 1480 | try { |
| 1481 | mNetd.removeRoute(ifaceName, r); |
| 1482 | } catch (Exception e) { |
| 1483 | // never crash - catch them all |
Robert Greenwalt | 2473a4ba | 2012-04-23 18:00:37 -0700 | [diff] [blame] | 1484 | if (VDBG) loge("Exception trying to remove a route: " + e); |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1485 | return false; |
| 1486 | } |
| 1487 | } else { |
| 1488 | if (VDBG) log("not removing " + r + " as it's still in use"); |
| 1489 | } |
| 1490 | } else { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1491 | if (VDBG) log("Removing " + r + " for interface " + ifaceName); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1492 | try { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1493 | mNetd.removeSecondaryRoute(ifaceName, r); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1494 | } catch (Exception e) { |
| 1495 | // never crash - catch them all |
Robert Greenwalt | 2473a4ba | 2012-04-23 18:00:37 -0700 | [diff] [blame] | 1496 | if (VDBG) loge("Exception trying to remove a route: " + e); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1497 | return false; |
| 1498 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1499 | } |
| 1500 | } |
| 1501 | return true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1502 | } |
| 1503 | |
| 1504 | /** |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1505 | * @see ConnectivityManager#getMobileDataEnabled() |
| 1506 | */ |
| 1507 | public boolean getMobileDataEnabled() { |
Wink Saville | e798268 | 2010-12-07 10:31:02 -0800 | [diff] [blame] | 1508 | // TODO: This detail should probably be in DataConnectionTracker's |
| 1509 | // which is where we store the value and maybe make this |
| 1510 | // asynchronous. |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1511 | enforceAccessPermission(); |
Jeff Sharkey | bdfce2e | 2012-09-26 15:54:06 -0700 | [diff] [blame] | 1512 | boolean retVal = Settings.Global.getInt(mContext.getContentResolver(), |
| 1513 | Settings.Global.MOBILE_DATA, 1) == 1; |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1514 | if (VDBG) log("getMobileDataEnabled returning " + retVal); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1515 | return retVal; |
| 1516 | } |
| 1517 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1518 | public void setDataDependency(int networkType, boolean met) { |
Robert Greenwalt | 5039320 | 2011-06-21 17:26:14 -0700 | [diff] [blame] | 1519 | enforceConnectivityInternalPermission(); |
| 1520 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1521 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_DEPENDENCY_MET, |
| 1522 | (met ? ENABLED : DISABLED), networkType)); |
| 1523 | } |
| 1524 | |
| 1525 | private void handleSetDependencyMet(int networkType, boolean met) { |
| 1526 | if (mNetTrackers[networkType] != null) { |
| 1527 | if (DBG) { |
| 1528 | log("handleSetDependencyMet(" + networkType + ", " + met + ")"); |
| 1529 | } |
| 1530 | mNetTrackers[networkType].setDependencyMet(met); |
| 1531 | } |
| 1532 | } |
| 1533 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1534 | private INetworkPolicyListener mPolicyListener = new INetworkPolicyListener.Stub() { |
| 1535 | @Override |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1536 | public void onUidRulesChanged(int uid, int uidRules) { |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1537 | // caller is NPMS, since we only register with them |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1538 | if (LOGD_RULES) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1539 | log("onUidRulesChanged(uid=" + uid + ", uidRules=" + uidRules + ")"); |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1540 | } |
| 1541 | |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1542 | synchronized (mRulesLock) { |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1543 | // skip update when we've already applied rules |
| 1544 | final int oldRules = mUidRules.get(uid, RULE_ALLOW_ALL); |
| 1545 | if (oldRules == uidRules) return; |
| 1546 | |
| 1547 | mUidRules.put(uid, uidRules); |
| 1548 | } |
| 1549 | |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1550 | // TODO: notify UID when it has requested targeted updates |
| 1551 | } |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1552 | |
| 1553 | @Override |
| 1554 | public void onMeteredIfacesChanged(String[] meteredIfaces) { |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1555 | // caller is NPMS, since we only register with them |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1556 | if (LOGD_RULES) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1557 | log("onMeteredIfacesChanged(ifaces=" + Arrays.toString(meteredIfaces) + ")"); |
Jeff Sharkey | fdfef57 | 2011-06-16 15:07:48 -0700 | [diff] [blame] | 1558 | } |
| 1559 | |
| 1560 | synchronized (mRulesLock) { |
| 1561 | mMeteredIfaces.clear(); |
| 1562 | for (String iface : meteredIfaces) { |
| 1563 | mMeteredIfaces.add(iface); |
| 1564 | } |
| 1565 | } |
| 1566 | } |
Jeff Sharkey | 1f8ea2d | 2012-02-07 12:05:43 -0800 | [diff] [blame] | 1567 | |
| 1568 | @Override |
| 1569 | public void onRestrictBackgroundChanged(boolean restrictBackground) { |
| 1570 | // caller is NPMS, since we only register with them |
| 1571 | if (LOGD_RULES) { |
| 1572 | log("onRestrictBackgroundChanged(restrictBackground=" + restrictBackground + ")"); |
| 1573 | } |
| 1574 | |
| 1575 | // kick off connectivity change broadcast for active network, since |
| 1576 | // global background policy change is radical. |
| 1577 | final int networkType = mActiveDefaultNetwork; |
| 1578 | if (isNetworkTypeValid(networkType)) { |
| 1579 | final NetworkStateTracker tracker = mNetTrackers[networkType]; |
| 1580 | if (tracker != null) { |
| 1581 | final NetworkInfo info = tracker.getNetworkInfo(); |
| 1582 | if (info != null && info.isConnected()) { |
| 1583 | sendConnectedBroadcast(info); |
| 1584 | } |
| 1585 | } |
| 1586 | } |
| 1587 | } |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 1588 | }; |
| 1589 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1590 | /** |
| 1591 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 1592 | */ |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 1593 | public void setMobileDataEnabled(boolean enabled) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1594 | enforceChangePermission(); |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 1595 | if (DBG) log("setMobileDataEnabled(" + enabled + ")"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1596 | |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 1597 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_MOBILE_DATA, |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1598 | (enabled ? ENABLED : DISABLED), 0)); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 1599 | } |
| 1600 | |
| 1601 | private void handleSetMobileData(boolean enabled) { |
Wink Saville | e798268 | 2010-12-07 10:31:02 -0800 | [diff] [blame] | 1602 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 1603 | if (VDBG) { |
| 1604 | log(mNetTrackers[ConnectivityManager.TYPE_MOBILE].toString() + enabled); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1605 | } |
Jeff Sharkey | 8e28b7d | 2011-08-19 02:24:24 -0700 | [diff] [blame] | 1606 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].setUserDataEnable(enabled); |
| 1607 | } |
tk.mun | b97d34c | 2012-01-06 10:43:52 +0900 | [diff] [blame] | 1608 | if (mNetTrackers[ConnectivityManager.TYPE_WIMAX] != null) { |
| 1609 | if (VDBG) { |
| 1610 | log(mNetTrackers[ConnectivityManager.TYPE_WIMAX].toString() + enabled); |
| 1611 | } |
| 1612 | mNetTrackers[ConnectivityManager.TYPE_WIMAX].setUserDataEnable(enabled); |
| 1613 | } |
Jeff Sharkey | 8e28b7d | 2011-08-19 02:24:24 -0700 | [diff] [blame] | 1614 | } |
| 1615 | |
| 1616 | @Override |
| 1617 | public void setPolicyDataEnable(int networkType, boolean enabled) { |
| 1618 | // only someone like NPMS should only be calling us |
| 1619 | mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG); |
| 1620 | |
| 1621 | mHandler.sendMessage(mHandler.obtainMessage( |
| 1622 | EVENT_SET_POLICY_DATA_ENABLE, networkType, (enabled ? ENABLED : DISABLED))); |
| 1623 | } |
| 1624 | |
| 1625 | private void handleSetPolicyDataEnable(int networkType, boolean enabled) { |
| 1626 | if (isNetworkTypeValid(networkType)) { |
| 1627 | final NetworkStateTracker tracker = mNetTrackers[networkType]; |
| 1628 | if (tracker != null) { |
| 1629 | tracker.setPolicyDataEnable(enabled); |
| 1630 | } |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 1631 | } |
| 1632 | } |
| 1633 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1634 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1635 | mContext.enforceCallingOrSelfPermission( |
| 1636 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 1637 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1638 | } |
| 1639 | |
| 1640 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1641 | mContext.enforceCallingOrSelfPermission( |
| 1642 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 1643 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1644 | } |
| 1645 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1646 | // TODO Make this a special check when it goes public |
| 1647 | private void enforceTetherChangePermission() { |
| 1648 | mContext.enforceCallingOrSelfPermission( |
| 1649 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 1650 | "ConnectivityService"); |
| 1651 | } |
| 1652 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1653 | private void enforceTetherAccessPermission() { |
| 1654 | mContext.enforceCallingOrSelfPermission( |
| 1655 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 1656 | "ConnectivityService"); |
| 1657 | } |
| 1658 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1659 | private void enforceConnectivityInternalPermission() { |
| 1660 | mContext.enforceCallingOrSelfPermission( |
| 1661 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 1662 | "ConnectivityService"); |
| 1663 | } |
| 1664 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1665 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1666 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 1667 | * network, we ignore it. If it is for the active network, we send out a |
| 1668 | * broadcast. But first, we check whether it might be possible to connect |
| 1669 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1670 | * @param info the {@code NetworkInfo} for the network |
| 1671 | */ |
| 1672 | private void handleDisconnect(NetworkInfo info) { |
| 1673 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1674 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1675 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1676 | mNetTrackers[prevNetType].setTeardownRequested(false); |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 1677 | |
| 1678 | // Remove idletimer previously setup in {@code handleConnect} |
| 1679 | removeDataActivityTracking(prevNetType); |
| 1680 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1681 | /* |
| 1682 | * If the disconnected network is not the active one, then don't report |
| 1683 | * this as a loss of connectivity. What probably happened is that we're |
| 1684 | * getting the disconnect for a network that we explicitly disabled |
| 1685 | * in accordance with network preference policies. |
| 1686 | */ |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1687 | if (!mNetConfigs[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1688 | List pids = mNetRequestersPids[prevNetType]; |
| 1689 | for (int i = 0; i<pids.size(); i++) { |
| 1690 | Integer pid = (Integer)pids.get(i); |
| 1691 | // will remove them because the net's no longer connected |
| 1692 | // need to do this now as only now do we know the pids and |
| 1693 | // can properly null things that are no longer referenced. |
| 1694 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1695 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1696 | } |
| 1697 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1698 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 1699 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); |
Jeff Sharkey | 75fbb4b | 2012-08-06 11:41:50 -0700 | [diff] [blame] | 1700 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1701 | if (info.isFailover()) { |
| 1702 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1703 | info.setFailover(false); |
| 1704 | } |
| 1705 | if (info.getReason() != null) { |
| 1706 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1707 | } |
| 1708 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1709 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1710 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1711 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1712 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1713 | if (mNetConfigs[prevNetType].isDefault()) { |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1714 | tryFailover(prevNetType); |
| 1715 | if (mActiveDefaultNetwork != -1) { |
| 1716 | NetworkInfo switchTo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(); |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1717 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1718 | } else { |
Robert Greenwalt | 029be81 | 2010-09-20 18:01:43 -0700 | [diff] [blame] | 1719 | mDefaultInetConditionPublished = 0; // we're not connected anymore |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1720 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1721 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1722 | } |
Robert Greenwalt | 029be81 | 2010-09-20 18:01:43 -0700 | [diff] [blame] | 1723 | intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); |
Robert Greenwalt | ec896c6 | 2011-06-15 12:22:07 -0700 | [diff] [blame] | 1724 | |
| 1725 | // Reset interface if no other connections are using the same interface |
| 1726 | boolean doReset = true; |
| 1727 | LinkProperties linkProperties = mNetTrackers[prevNetType].getLinkProperties(); |
| 1728 | if (linkProperties != null) { |
| 1729 | String oldIface = linkProperties.getInterfaceName(); |
| 1730 | if (TextUtils.isEmpty(oldIface) == false) { |
| 1731 | for (NetworkStateTracker networkStateTracker : mNetTrackers) { |
| 1732 | if (networkStateTracker == null) continue; |
| 1733 | NetworkInfo networkInfo = networkStateTracker.getNetworkInfo(); |
| 1734 | if (networkInfo.isConnected() && networkInfo.getType() != prevNetType) { |
| 1735 | LinkProperties l = networkStateTracker.getLinkProperties(); |
| 1736 | if (l == null) continue; |
| 1737 | if (oldIface.equals(l.getInterfaceName())) { |
| 1738 | doReset = false; |
| 1739 | break; |
| 1740 | } |
| 1741 | } |
| 1742 | } |
| 1743 | } |
| 1744 | } |
| 1745 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1746 | // do this before we broadcast the change |
Robert Greenwalt | ec896c6 | 2011-06-15 12:22:07 -0700 | [diff] [blame] | 1747 | handleConnectivityChange(prevNetType, doReset); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1748 | |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1749 | final Intent immediateIntent = new Intent(intent); |
| 1750 | immediateIntent.setAction(CONNECTIVITY_ACTION_IMMEDIATE); |
| 1751 | sendStickyBroadcast(immediateIntent); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1752 | sendStickyBroadcastDelayed(intent, getConnectivityChangeDelay()); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1753 | /* |
| 1754 | * If the failover network is already connected, then immediately send |
| 1755 | * out a followup broadcast indicating successful failover |
| 1756 | */ |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1757 | if (mActiveDefaultNetwork != -1) { |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1758 | sendConnectedBroadcastDelayed(mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(), |
| 1759 | getConnectivityChangeDelay()); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1760 | } |
| 1761 | } |
| 1762 | |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1763 | private void tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1764 | /* |
Robert Greenwalt | bff9018 | 2011-01-06 15:41:07 -0800 | [diff] [blame] | 1765 | * If this is a default network, check if other defaults are available. |
| 1766 | * Try to reconnect on all available and let them hash it out when |
| 1767 | * more than one connects. |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1768 | */ |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1769 | if (mNetConfigs[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1770 | if (mActiveDefaultNetwork == prevNetType) { |
| 1771 | mActiveDefaultNetwork = -1; |
| 1772 | } |
| 1773 | |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1774 | // don't signal a reconnect for anything lower or equal priority than our |
| 1775 | // current connected default |
| 1776 | // TODO - don't filter by priority now - nice optimization but risky |
| 1777 | // int currentPriority = -1; |
| 1778 | // if (mActiveDefaultNetwork != -1) { |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1779 | // currentPriority = mNetConfigs[mActiveDefaultNetwork].mPriority; |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1780 | // } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1781 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1782 | if (checkType == prevNetType) continue; |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1783 | if (mNetConfigs[checkType] == null) continue; |
| 1784 | if (!mNetConfigs[checkType].isDefault()) continue; |
Robert Greenwalt | 424781e | 2011-11-11 09:56:03 -0800 | [diff] [blame] | 1785 | if (mNetTrackers[checkType] == null) continue; |
Wink Saville | 9f7a0b2 | 2011-01-26 15:43:49 -0800 | [diff] [blame] | 1786 | |
| 1787 | // Enabling the isAvailable() optimization caused mobile to not get |
| 1788 | // selected if it was in the middle of error handling. Specifically |
| 1789 | // a moble connection that took 30 seconds to complete the DEACTIVATE_DATA_CALL |
| 1790 | // would not be available and we wouldn't get connected to anything. |
| 1791 | // So removing the isAvailable() optimization below for now. TODO: This |
| 1792 | // optimization should work and we need to investigate why it doesn't work. |
| 1793 | // This could be related to how DEACTIVATE_DATA_CALL is reporting its |
| 1794 | // complete before it is really complete. |
| 1795 | // if (!mNetTrackers[checkType].isAvailable()) continue; |
| 1796 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1797 | // if (currentPriority >= mNetConfigs[checkType].mPriority) continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1798 | |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1799 | NetworkStateTracker checkTracker = mNetTrackers[checkType]; |
| 1800 | NetworkInfo checkInfo = checkTracker.getNetworkInfo(); |
| 1801 | if (!checkInfo.isConnectedOrConnecting() || checkTracker.isTeardownRequested()) { |
| 1802 | checkInfo.setFailover(true); |
| 1803 | checkTracker.reconnect(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1804 | } |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1805 | if (DBG) log("Attempting to switch to " + checkInfo.getTypeName()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1806 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1807 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1808 | } |
| 1809 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1810 | public void sendConnectedBroadcast(NetworkInfo info) { |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1811 | sendGeneralBroadcast(info, CONNECTIVITY_ACTION_IMMEDIATE); |
| 1812 | sendGeneralBroadcast(info, CONNECTIVITY_ACTION); |
Robert Greenwalt | 1e9aac2 | 2010-09-15 17:36:33 -0700 | [diff] [blame] | 1813 | } |
| 1814 | |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1815 | private void sendConnectedBroadcastDelayed(NetworkInfo info, int delayMs) { |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1816 | sendGeneralBroadcast(info, CONNECTIVITY_ACTION_IMMEDIATE); |
| 1817 | sendGeneralBroadcastDelayed(info, CONNECTIVITY_ACTION, delayMs); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1818 | } |
| 1819 | |
Robert Greenwalt | 1e9aac2 | 2010-09-15 17:36:33 -0700 | [diff] [blame] | 1820 | private void sendInetConditionBroadcast(NetworkInfo info) { |
| 1821 | sendGeneralBroadcast(info, ConnectivityManager.INET_CONDITION_ACTION); |
| 1822 | } |
| 1823 | |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1824 | private Intent makeGeneralIntent(NetworkInfo info, String bcastType) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1825 | if (mLockdownTracker != null) { |
| 1826 | info = mLockdownTracker.augmentNetworkInfo(info); |
| 1827 | } |
| 1828 | |
Robert Greenwalt | 1e9aac2 | 2010-09-15 17:36:33 -0700 | [diff] [blame] | 1829 | Intent intent = new Intent(bcastType); |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 1830 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); |
Jeff Sharkey | 75fbb4b | 2012-08-06 11:41:50 -0700 | [diff] [blame] | 1831 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1832 | if (info.isFailover()) { |
| 1833 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1834 | info.setFailover(false); |
| 1835 | } |
| 1836 | if (info.getReason() != null) { |
| 1837 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1838 | } |
| 1839 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1840 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1841 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1842 | } |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 1843 | intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1844 | return intent; |
| 1845 | } |
| 1846 | |
| 1847 | private void sendGeneralBroadcast(NetworkInfo info, String bcastType) { |
| 1848 | sendStickyBroadcast(makeGeneralIntent(info, bcastType)); |
| 1849 | } |
| 1850 | |
| 1851 | private void sendGeneralBroadcastDelayed(NetworkInfo info, String bcastType, int delayMs) { |
| 1852 | sendStickyBroadcastDelayed(makeGeneralIntent(info, bcastType), delayMs); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1853 | } |
| 1854 | |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1855 | private void sendDataActivityBroadcast(int deviceType, boolean active) { |
| 1856 | Intent intent = new Intent(ConnectivityManager.ACTION_DATA_ACTIVITY_CHANGE); |
| 1857 | intent.putExtra(ConnectivityManager.EXTRA_DEVICE_TYPE, deviceType); |
| 1858 | intent.putExtra(ConnectivityManager.EXTRA_IS_ACTIVE, active); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1859 | final long ident = Binder.clearCallingIdentity(); |
| 1860 | try { |
| 1861 | mContext.sendOrderedBroadcastAsUser(intent, UserHandle.ALL, |
| 1862 | RECEIVE_DATA_ACTIVITY_CHANGE, null, null, 0, null, null); |
| 1863 | } finally { |
| 1864 | Binder.restoreCallingIdentity(ident); |
| 1865 | } |
Haoyu Bai | db3c867 | 2012-06-20 14:29:57 -0700 | [diff] [blame] | 1866 | } |
| 1867 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1868 | /** |
| 1869 | * Called when an attempt to fail over to another network has failed. |
| 1870 | * @param info the {@link NetworkInfo} for the failed network |
| 1871 | */ |
| 1872 | private void handleConnectionFailure(NetworkInfo info) { |
| 1873 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1874 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1875 | String reason = info.getReason(); |
| 1876 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1877 | |
Robert Greenwalt | 572172b | 2010-10-08 16:35:52 -0700 | [diff] [blame] | 1878 | String reasonText; |
| 1879 | if (reason == null) { |
| 1880 | reasonText = "."; |
| 1881 | } else { |
| 1882 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1883 | } |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 1884 | loge("Attempt to connect to " + info.getTypeName() + " failed" + reasonText); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1885 | |
| 1886 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 1887 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); |
Jeff Sharkey | 75fbb4b | 2012-08-06 11:41:50 -0700 | [diff] [blame] | 1888 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1889 | if (getActiveNetworkInfo() == null) { |
| 1890 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1891 | } |
| 1892 | if (reason != null) { |
| 1893 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1894 | } |
| 1895 | if (extraInfo != null) { |
| 1896 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1897 | } |
| 1898 | if (info.isFailover()) { |
| 1899 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1900 | info.setFailover(false); |
| 1901 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1902 | |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 1903 | if (mNetConfigs[info.getType()].isDefault()) { |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1904 | tryFailover(info.getType()); |
| 1905 | if (mActiveDefaultNetwork != -1) { |
| 1906 | NetworkInfo switchTo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(); |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1907 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1908 | } else { |
Robert Greenwalt | 029be81 | 2010-09-20 18:01:43 -0700 | [diff] [blame] | 1909 | mDefaultInetConditionPublished = 0; |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1910 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1911 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1912 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1913 | |
Robert Greenwalt | 029be81 | 2010-09-20 18:01:43 -0700 | [diff] [blame] | 1914 | intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1915 | |
| 1916 | final Intent immediateIntent = new Intent(intent); |
| 1917 | immediateIntent.setAction(CONNECTIVITY_ACTION_IMMEDIATE); |
| 1918 | sendStickyBroadcast(immediateIntent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1919 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1920 | /* |
| 1921 | * If the failover network is already connected, then immediately send |
| 1922 | * out a followup broadcast indicating successful failover |
| 1923 | */ |
Robert Greenwalt | f21ef7d | 2011-01-11 13:56:33 -0800 | [diff] [blame] | 1924 | if (mActiveDefaultNetwork != -1) { |
| 1925 | sendConnectedBroadcast(mNetTrackers[mActiveDefaultNetwork].getNetworkInfo()); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1926 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1927 | } |
| 1928 | |
| 1929 | private void sendStickyBroadcast(Intent intent) { |
| 1930 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1931 | if (!mSystemReady) { |
| 1932 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1933 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1934 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1935 | if (VDBG) { |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1936 | log("sendStickyBroadcast: action=" + intent.getAction()); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1937 | } |
| 1938 | |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 1939 | final long ident = Binder.clearCallingIdentity(); |
| 1940 | try { |
| 1941 | mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| 1942 | } finally { |
| 1943 | Binder.restoreCallingIdentity(ident); |
| 1944 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1945 | } |
| 1946 | } |
| 1947 | |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1948 | private void sendStickyBroadcastDelayed(Intent intent, int delayMs) { |
| 1949 | if (delayMs <= 0) { |
| 1950 | sendStickyBroadcast(intent); |
| 1951 | } else { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1952 | if (VDBG) { |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 1953 | log("sendStickyBroadcastDelayed: delayMs=" + delayMs + ", action=" |
| 1954 | + intent.getAction()); |
| 1955 | } |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 1956 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1957 | EVENT_SEND_STICKY_BROADCAST_INTENT, intent), delayMs); |
| 1958 | } |
| 1959 | } |
| 1960 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1961 | void systemReady() { |
| 1962 | synchronized(this) { |
| 1963 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1964 | if (mInitialBroadcast != null) { |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 1965 | mContext.sendStickyBroadcastAsUser(mInitialBroadcast, UserHandle.ALL); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1966 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1967 | } |
| 1968 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 1969 | // load the global proxy at startup |
| 1970 | mHandler.sendMessage(mHandler.obtainMessage(EVENT_APPLY_GLOBAL_HTTP_PROXY)); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1971 | |
| 1972 | // Try bringing up tracker, but if KeyStore isn't ready yet, wait |
| 1973 | // for user to unlock device. |
| 1974 | if (!updateLockdownVpn()) { |
| 1975 | final IntentFilter filter = new IntentFilter(Intent.ACTION_USER_PRESENT); |
| 1976 | mContext.registerReceiver(mUserPresentReceiver, filter); |
| 1977 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1978 | } |
| 1979 | |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 1980 | private BroadcastReceiver mUserPresentReceiver = new BroadcastReceiver() { |
| 1981 | @Override |
| 1982 | public void onReceive(Context context, Intent intent) { |
| 1983 | // Try creating lockdown tracker, since user present usually means |
| 1984 | // unlocked keystore. |
| 1985 | if (updateLockdownVpn()) { |
| 1986 | mContext.unregisterReceiver(this); |
| 1987 | } |
| 1988 | } |
| 1989 | }; |
| 1990 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 1991 | private boolean isNewNetTypePreferredOverCurrentNetType(int type) { |
| 1992 | if ((type != mNetworkPreference && |
| 1993 | mNetConfigs[mActiveDefaultNetwork].priority > |
| 1994 | mNetConfigs[type].priority) || |
| 1995 | mNetworkPreference == mActiveDefaultNetwork) return false; |
| 1996 | return true; |
| 1997 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1998 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 1999 | private void handleConnect(NetworkInfo info) { |
| 2000 | final int newNetType = info.getType(); |
| 2001 | |
| 2002 | setupDataActivityTracking(newNetType); |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 2003 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2004 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 2005 | boolean isFailover = info.isFailover(); |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2006 | final NetworkStateTracker thisNet = mNetTrackers[newNetType]; |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 2007 | final String thisIface = thisNet.getLinkProperties().getInterfaceName(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2008 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2009 | // if this is a default net and other default is running |
| 2010 | // kill the one not preferred |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2011 | if (mNetConfigs[newNetType].isDefault()) { |
| 2012 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != newNetType) { |
| 2013 | if (isNewNetTypePreferredOverCurrentNetType(newNetType)) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2014 | // tear down the other |
| 2015 | NetworkStateTracker otherNet = |
| 2016 | mNetTrackers[mActiveDefaultNetwork]; |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2017 | if (DBG) { |
| 2018 | log("Policy requires " + otherNet.getNetworkInfo().getTypeName() + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2019 | " teardown"); |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2020 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2021 | if (!teardown(otherNet)) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2022 | loge("Network declined teardown request"); |
Robert Greenwalt | 27725e8 | 2011-03-29 11:36:28 -0700 | [diff] [blame] | 2023 | teardown(thisNet); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2024 | return; |
| 2025 | } |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2026 | } else { |
| 2027 | // don't accept this one |
| 2028 | if (VDBG) { |
| 2029 | log("Not broadcasting CONNECT_ACTION " + |
| 2030 | "to torn down network " + info.getTypeName()); |
| 2031 | } |
| 2032 | teardown(thisNet); |
| 2033 | return; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2034 | } |
| 2035 | } |
| 2036 | synchronized (ConnectivityService.this) { |
| 2037 | // have a new default network, release the transition wakelock in a second |
| 2038 | // if it's held. The second pause is to allow apps to reconnect over the |
| 2039 | // new network |
| 2040 | if (mNetTransitionWakeLock.isHeld()) { |
| 2041 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 2042 | EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2043 | mNetTransitionWakeLockSerialNumber, 0), |
| 2044 | 1000); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2045 | } |
| 2046 | } |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2047 | mActiveDefaultNetwork = newNetType; |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 2048 | // this will cause us to come up initially as unconnected and switching |
| 2049 | // to connected after our normal pause unless somebody reports us as reall |
| 2050 | // disconnected |
| 2051 | mDefaultInetConditionPublished = 0; |
| 2052 | mDefaultConnectionSequence++; |
| 2053 | mInetConditionChangeInFlight = false; |
| 2054 | // Don't do this - if we never sign in stay, grey |
| 2055 | //reportNetworkCondition(mActiveDefaultNetwork, 100); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2056 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2057 | thisNet.setTeardownRequested(false); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2058 | updateNetworkSettings(thisNet); |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2059 | handleConnectivityChange(newNetType, false); |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 2060 | sendConnectedBroadcastDelayed(info, getConnectivityChangeDelay()); |
Jeff Sharkey | 1059c3c | 2011-10-04 16:54:49 -0700 | [diff] [blame] | 2061 | |
| 2062 | // notify battery stats service about this network |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 2063 | if (thisIface != null) { |
Jeff Sharkey | 1059c3c | 2011-10-04 16:54:49 -0700 | [diff] [blame] | 2064 | try { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2065 | BatteryStatsService.getService().noteNetworkInterfaceType(thisIface, newNetType); |
Jeff Sharkey | 1059c3c | 2011-10-04 16:54:49 -0700 | [diff] [blame] | 2066 | } catch (RemoteException e) { |
| 2067 | // ignored; service lives in system_server |
| 2068 | } |
| 2069 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2070 | } |
| 2071 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2072 | private void handleCaptivePortalTrackerCheck(NetworkInfo info) { |
| 2073 | if (DBG) log("Captive portal check " + info); |
| 2074 | int type = info.getType(); |
| 2075 | final NetworkStateTracker thisNet = mNetTrackers[type]; |
| 2076 | if (mNetConfigs[type].isDefault()) { |
| 2077 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 2078 | if (isNewNetTypePreferredOverCurrentNetType(type)) { |
| 2079 | if (DBG) log("Captive check on " + info.getTypeName()); |
Irfan Sheriff | 9538bdd | 2012-09-20 09:32:41 -0700 | [diff] [blame] | 2080 | mCaptivePortalTracker.detectCaptivePortal(new NetworkInfo(info)); |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2081 | return; |
| 2082 | } else { |
| 2083 | if (DBG) log("Tear down low priority net " + info.getTypeName()); |
| 2084 | teardown(thisNet); |
| 2085 | return; |
| 2086 | } |
| 2087 | } |
| 2088 | } |
| 2089 | |
| 2090 | thisNet.captivePortalCheckComplete(); |
| 2091 | } |
| 2092 | |
| 2093 | /** @hide */ |
| 2094 | public void captivePortalCheckComplete(NetworkInfo info) { |
| 2095 | mNetTrackers[info.getType()].captivePortalCheckComplete(); |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2096 | } |
| 2097 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2098 | /** |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 2099 | * Setup data activity tracking for the given network interface. |
| 2100 | * |
| 2101 | * Every {@code setupDataActivityTracking} should be paired with a |
| 2102 | * {@link removeDataActivityTracking} for cleanup. |
| 2103 | */ |
| 2104 | private void setupDataActivityTracking(int type) { |
| 2105 | final NetworkStateTracker thisNet = mNetTrackers[type]; |
| 2106 | final String iface = thisNet.getLinkProperties().getInterfaceName(); |
| 2107 | |
| 2108 | final int timeout; |
| 2109 | |
| 2110 | if (ConnectivityManager.isNetworkTypeMobile(type)) { |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 2111 | timeout = Settings.Global.getInt(mContext.getContentResolver(), |
| 2112 | Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE, |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 2113 | 0); |
| 2114 | // Canonicalize mobile network type |
| 2115 | type = ConnectivityManager.TYPE_MOBILE; |
| 2116 | } else if (ConnectivityManager.TYPE_WIFI == type) { |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 2117 | timeout = Settings.Global.getInt(mContext.getContentResolver(), |
| 2118 | Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI, |
Haoyu Bai | 0412423 | 2012-06-28 15:26:19 -0700 | [diff] [blame] | 2119 | 0); |
| 2120 | } else { |
| 2121 | // do not track any other networks |
| 2122 | timeout = 0; |
| 2123 | } |
| 2124 | |
| 2125 | if (timeout > 0 && iface != null) { |
| 2126 | try { |
| 2127 | mNetd.addIdleTimer(iface, timeout, Integer.toString(type)); |
| 2128 | } catch (RemoteException e) { |
| 2129 | } |
| 2130 | } |
| 2131 | } |
| 2132 | |
| 2133 | /** |
| 2134 | * Remove data activity tracking when network disconnects. |
| 2135 | */ |
| 2136 | private void removeDataActivityTracking(int type) { |
| 2137 | final NetworkStateTracker net = mNetTrackers[type]; |
| 2138 | final String iface = net.getLinkProperties().getInterfaceName(); |
| 2139 | |
| 2140 | if (iface != null && (ConnectivityManager.isNetworkTypeMobile(type) || |
| 2141 | ConnectivityManager.TYPE_WIFI == type)) { |
| 2142 | try { |
| 2143 | // the call fails silently if no idletimer setup for this interface |
| 2144 | mNetd.removeIdleTimer(iface); |
| 2145 | } catch (RemoteException e) { |
| 2146 | } |
| 2147 | } |
| 2148 | } |
| 2149 | |
| 2150 | /** |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2151 | * After a change in the connectivity state of a network. We're mainly |
| 2152 | * concerned with making sure that the list of DNS servers is set up |
| 2153 | * according to which networks are connected, and ensuring that the |
| 2154 | * right routing table entries exist. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2155 | */ |
Robert Greenwalt | ec896c6 | 2011-06-15 12:22:07 -0700 | [diff] [blame] | 2156 | private void handleConnectivityChange(int netType, boolean doReset) { |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2157 | int resetMask = doReset ? NetworkUtils.RESET_ALL_ADDRESSES : 0; |
| 2158 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2159 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2160 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2161 | * will allow it's DNS servers to be accessed. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2162 | */ |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2163 | handleDnsConfigurationChange(netType); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2164 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2165 | LinkProperties curLp = mCurrentLinkProperties[netType]; |
| 2166 | LinkProperties newLp = null; |
| 2167 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2168 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2169 | newLp = mNetTrackers[netType].getLinkProperties(); |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2170 | if (VDBG) { |
| 2171 | log("handleConnectivityChange: changed linkProperty[" + netType + "]:" + |
| 2172 | " doReset=" + doReset + " resetMask=" + resetMask + |
| 2173 | "\n curLp=" + curLp + |
| 2174 | "\n newLp=" + newLp); |
| 2175 | } |
| 2176 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2177 | if (curLp != null) { |
| 2178 | if (curLp.isIdenticalInterfaceName(newLp)) { |
| 2179 | CompareResult<LinkAddress> car = curLp.compareAddresses(newLp); |
| 2180 | if ((car.removed.size() != 0) || (car.added.size() != 0)) { |
| 2181 | for (LinkAddress linkAddr : car.removed) { |
| 2182 | if (linkAddr.getAddress() instanceof Inet4Address) { |
| 2183 | resetMask |= NetworkUtils.RESET_IPV4_ADDRESSES; |
| 2184 | } |
| 2185 | if (linkAddr.getAddress() instanceof Inet6Address) { |
| 2186 | resetMask |= NetworkUtils.RESET_IPV6_ADDRESSES; |
| 2187 | } |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2188 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2189 | if (DBG) { |
| 2190 | log("handleConnectivityChange: addresses changed" + |
| 2191 | " linkProperty[" + netType + "]:" + " resetMask=" + resetMask + |
| 2192 | "\n car=" + car); |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2193 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2194 | } else { |
| 2195 | if (DBG) { |
| 2196 | log("handleConnectivityChange: address are the same reset per doReset" + |
| 2197 | " linkProperty[" + netType + "]:" + |
| 2198 | " resetMask=" + resetMask); |
| 2199 | } |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2200 | } |
| 2201 | } else { |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2202 | resetMask = NetworkUtils.RESET_ALL_ADDRESSES; |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2203 | if (DBG) { |
| 2204 | log("handleConnectivityChange: interface not not equivalent reset both" + |
| 2205 | " linkProperty[" + netType + "]:" + |
| 2206 | " resetMask=" + resetMask); |
| 2207 | } |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2208 | } |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 2209 | } |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 2210 | if (mNetConfigs[netType].isDefault()) { |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 2211 | handleApplyDefaultProxy(newLp.getHttpProxy()); |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2212 | } |
| 2213 | } else { |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2214 | if (VDBG) { |
| 2215 | log("handleConnectivityChange: changed linkProperty[" + netType + "]:" + |
| 2216 | " doReset=" + doReset + " resetMask=" + resetMask + |
| 2217 | "\n curLp=" + curLp + |
| 2218 | "\n newLp= null"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2219 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2220 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2221 | mCurrentLinkProperties[netType] = newLp; |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2222 | boolean resetDns = updateRoutes(newLp, curLp, mNetConfigs[netType].isDefault()); |
Robert Greenwalt | ec896c6 | 2011-06-15 12:22:07 -0700 | [diff] [blame] | 2223 | |
Chia-chi Yeh | 0c074e6 | 2011-08-15 15:19:40 -0700 | [diff] [blame] | 2224 | if (resetMask != 0 || resetDns) { |
Robert Greenwalt | ec896c6 | 2011-06-15 12:22:07 -0700 | [diff] [blame] | 2225 | LinkProperties linkProperties = mNetTrackers[netType].getLinkProperties(); |
| 2226 | if (linkProperties != null) { |
| 2227 | String iface = linkProperties.getInterfaceName(); |
| 2228 | if (TextUtils.isEmpty(iface) == false) { |
Chia-chi Yeh | 0c074e6 | 2011-08-15 15:19:40 -0700 | [diff] [blame] | 2229 | if (resetMask != 0) { |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2230 | if (DBG) log("resetConnections(" + iface + ", " + resetMask + ")"); |
| 2231 | NetworkUtils.resetConnections(iface, resetMask); |
Chia-chi Yeh | 0c074e6 | 2011-08-15 15:19:40 -0700 | [diff] [blame] | 2232 | |
| 2233 | // Tell VPN the interface is down. It is a temporary |
| 2234 | // but effective fix to make VPN aware of the change. |
| 2235 | if ((resetMask & NetworkUtils.RESET_IPV4_ADDRESSES) != 0) { |
| 2236 | mVpn.interfaceStatusChanged(iface, false); |
| 2237 | } |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2238 | } |
| 2239 | if (resetDns) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2240 | if (VDBG) log("resetting DNS cache for " + iface); |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2241 | try { |
| 2242 | mNetd.flushInterfaceDnsCache(iface); |
| 2243 | } catch (Exception e) { |
| 2244 | // never crash - catch them all |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2245 | if (DBG) loge("Exception resetting dns cache: " + e); |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2246 | } |
| 2247 | } |
Robert Greenwalt | ec896c6 | 2011-06-15 12:22:07 -0700 | [diff] [blame] | 2248 | } |
| 2249 | } |
| 2250 | } |
Kazuhiro Ondo | 1ccb10e | 2011-06-22 21:10:34 -0500 | [diff] [blame] | 2251 | |
| 2252 | // TODO: Temporary notifying upstread change to Tethering. |
| 2253 | // @see bug/4455071 |
| 2254 | /** Notify TetheringService if interface name has been changed. */ |
| 2255 | if (TextUtils.equals(mNetTrackers[netType].getNetworkInfo().getReason(), |
Wink Saville | a639b31 | 2012-07-10 12:37:54 -0700 | [diff] [blame] | 2256 | PhoneConstants.REASON_LINK_PROPERTIES_CHANGED)) { |
Kazuhiro Ondo | 1ccb10e | 2011-06-22 21:10:34 -0500 | [diff] [blame] | 2257 | if (isTetheringSupported()) { |
| 2258 | mTethering.handleTetherIfaceChange(); |
| 2259 | } |
| 2260 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2261 | } |
| 2262 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2263 | /** |
| 2264 | * Add and remove routes using the old properties (null if not previously connected), |
| 2265 | * new properties (null if becoming disconnected). May even be double null, which |
| 2266 | * is a noop. |
| 2267 | * Uses isLinkDefault to determine if default routes should be set or conversely if |
| 2268 | * host routes should be set to the dns servers |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2269 | * returns a boolean indicating the routes changed |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2270 | */ |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2271 | private boolean updateRoutes(LinkProperties newLp, LinkProperties curLp, |
| 2272 | boolean isLinkDefault) { |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2273 | Collection<RouteInfo> routesToAdd = null; |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2274 | CompareResult<InetAddress> dnsDiff = new CompareResult<InetAddress>(); |
| 2275 | CompareResult<RouteInfo> routeDiff = new CompareResult<RouteInfo>(); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2276 | if (curLp != null) { |
| 2277 | // check for the delta between the current set and the new |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2278 | routeDiff = curLp.compareRoutes(newLp); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2279 | dnsDiff = curLp.compareDnses(newLp); |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2280 | } else if (newLp != null) { |
| 2281 | routeDiff.added = newLp.getRoutes(); |
| 2282 | dnsDiff.added = newLp.getDnses(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2283 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2284 | |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2285 | boolean routesChanged = (routeDiff.removed.size() != 0 || routeDiff.added.size() != 0); |
| 2286 | |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2287 | for (RouteInfo r : routeDiff.removed) { |
| 2288 | if (isLinkDefault || ! r.isDefaultRoute()) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 2289 | removeRoute(curLp, r, TO_DEFAULT_TABLE); |
| 2290 | } |
| 2291 | if (isLinkDefault == false) { |
| 2292 | // remove from a secondary route table |
| 2293 | removeRoute(curLp, r, TO_SECONDARY_TABLE); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2294 | } |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2295 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2296 | |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2297 | for (RouteInfo r : routeDiff.added) { |
| 2298 | if (isLinkDefault || ! r.isDefaultRoute()) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 2299 | addRoute(newLp, r, TO_DEFAULT_TABLE); |
Robert Greenwalt | e6b2429 | 2011-08-09 16:52:58 -0700 | [diff] [blame] | 2300 | } else { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 2301 | // add to a secondary route table |
| 2302 | addRoute(newLp, r, TO_SECONDARY_TABLE); |
| 2303 | |
Robert Greenwalt | e6b2429 | 2011-08-09 16:52:58 -0700 | [diff] [blame] | 2304 | // many radios add a default route even when we don't want one. |
| 2305 | // remove the default route unless somebody else has asked for it |
| 2306 | String ifaceName = newLp.getInterfaceName(); |
| 2307 | if (TextUtils.isEmpty(ifaceName) == false && mAddedRoutes.contains(r) == false) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2308 | if (VDBG) log("Removing " + r + " for interface " + ifaceName); |
Robert Greenwalt | e6b2429 | 2011-08-09 16:52:58 -0700 | [diff] [blame] | 2309 | try { |
| 2310 | mNetd.removeRoute(ifaceName, r); |
| 2311 | } catch (Exception e) { |
| 2312 | // never crash - catch them all |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 2313 | if (DBG) loge("Exception trying to remove a route: " + e); |
Robert Greenwalt | e6b2429 | 2011-08-09 16:52:58 -0700 | [diff] [blame] | 2314 | } |
| 2315 | } |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2316 | } |
| 2317 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2318 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 2319 | if (!isLinkDefault) { |
| 2320 | // handle DNS routes |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2321 | if (routesChanged) { |
Robert Greenwalt | ad55d35 | 2011-07-22 11:55:33 -0700 | [diff] [blame] | 2322 | // routes changed - remove all old dns entries and add new |
| 2323 | if (curLp != null) { |
| 2324 | for (InetAddress oldDns : curLp.getDnses()) { |
| 2325 | removeRouteToAddress(curLp, oldDns); |
| 2326 | } |
| 2327 | } |
| 2328 | if (newLp != null) { |
| 2329 | for (InetAddress newDns : newLp.getDnses()) { |
| 2330 | addRouteToAddress(newLp, newDns); |
| 2331 | } |
Robert Greenwalt | edcb4f9 | 2011-03-22 18:47:42 -0700 | [diff] [blame] | 2332 | } |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2333 | } else { |
| 2334 | // no change in routes, check for change in dns themselves |
| 2335 | for (InetAddress oldDns : dnsDiff.removed) { |
| 2336 | removeRouteToAddress(curLp, oldDns); |
| 2337 | } |
| 2338 | for (InetAddress newDns : dnsDiff.added) { |
| 2339 | addRouteToAddress(newLp, newDns); |
| 2340 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2341 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2342 | } |
Robert Greenwalt | f125a09 | 2011-08-15 12:31:55 -0700 | [diff] [blame] | 2343 | return routesChanged; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2344 | } |
| 2345 | |
| 2346 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2347 | /** |
| 2348 | * Reads the network specific TCP buffer sizes from SystemProperties |
| 2349 | * net.tcp.buffersize.[default|wifi|umts|edge|gprs] and set them for system |
| 2350 | * wide use |
| 2351 | */ |
| 2352 | public void updateNetworkSettings(NetworkStateTracker nt) { |
| 2353 | String key = nt.getTcpBufferSizesPropName(); |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 2354 | String bufferSizes = key == null ? null : SystemProperties.get(key); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2355 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 2356 | if (TextUtils.isEmpty(bufferSizes)) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2357 | if (VDBG) log(key + " not found in system properties. Using defaults"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2358 | |
| 2359 | // Setting to default values so we won't be stuck to previous values |
| 2360 | key = "net.tcp.buffersize.default"; |
| 2361 | bufferSizes = SystemProperties.get(key); |
| 2362 | } |
| 2363 | |
| 2364 | // Set values in kernel |
| 2365 | if (bufferSizes.length() != 0) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2366 | if (VDBG) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2367 | log("Setting TCP values: [" + bufferSizes |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2368 | + "] which comes from [" + key + "]"); |
| 2369 | } |
| 2370 | setBufferSize(bufferSizes); |
| 2371 | } |
| 2372 | } |
| 2373 | |
| 2374 | /** |
| 2375 | * Writes TCP buffer sizes to /sys/kernel/ipv4/tcp_[r/w]mem_[min/def/max] |
| 2376 | * which maps to /proc/sys/net/ipv4/tcp_rmem and tcpwmem |
| 2377 | * |
| 2378 | * @param bufferSizes in the format of "readMin, readInitial, readMax, |
| 2379 | * writeMin, writeInitial, writeMax" |
| 2380 | */ |
| 2381 | private void setBufferSize(String bufferSizes) { |
| 2382 | try { |
| 2383 | String[] values = bufferSizes.split(","); |
| 2384 | |
| 2385 | if (values.length == 6) { |
| 2386 | final String prefix = "/sys/kernel/ipv4/tcp_"; |
Mike Lockwood | da8bb74 | 2011-05-28 13:24:04 -0400 | [diff] [blame] | 2387 | FileUtils.stringToFile(prefix + "rmem_min", values[0]); |
| 2388 | FileUtils.stringToFile(prefix + "rmem_def", values[1]); |
| 2389 | FileUtils.stringToFile(prefix + "rmem_max", values[2]); |
| 2390 | FileUtils.stringToFile(prefix + "wmem_min", values[3]); |
| 2391 | FileUtils.stringToFile(prefix + "wmem_def", values[4]); |
| 2392 | FileUtils.stringToFile(prefix + "wmem_max", values[5]); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2393 | } else { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2394 | loge("Invalid buffersize string: " + bufferSizes); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2395 | } |
| 2396 | } catch (IOException e) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2397 | loge("Can't set tcp buffer sizes:" + e); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 2398 | } |
| 2399 | } |
| 2400 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2401 | /** |
| 2402 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 2403 | * on the highest priority active net which this process requested. |
| 2404 | * If there aren't any, clear it out |
| 2405 | */ |
| 2406 | private void reassessPidDns(int myPid, boolean doBump) |
| 2407 | { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2408 | if (VDBG) log("reassessPidDns for pid " + myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2409 | for(int i : mPriorityList) { |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 2410 | if (mNetConfigs[i].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2411 | continue; |
| 2412 | } |
| 2413 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 2414 | if (nt.getNetworkInfo().isConnected() && |
| 2415 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 2416 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 2417 | if (p == null) continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2418 | List pids = mNetRequestersPids[i]; |
| 2419 | for (int j=0; j<pids.size(); j++) { |
| 2420 | Integer pid = (Integer)pids.get(j); |
| 2421 | if (pid.intValue() == myPid) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 2422 | Collection<InetAddress> dnses = p.getDnses(); |
Lorenzo Colitti | c1358b2 | 2011-09-28 22:31:45 -0700 | [diff] [blame] | 2423 | writePidDns(dnses, myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2424 | if (doBump) { |
| 2425 | bumpDns(); |
| 2426 | } |
| 2427 | return; |
| 2428 | } |
| 2429 | } |
| 2430 | } |
| 2431 | } |
| 2432 | // nothing found - delete |
| 2433 | for (int i = 1; ; i++) { |
| 2434 | String prop = "net.dns" + i + "." + myPid; |
| 2435 | if (SystemProperties.get(prop).length() == 0) { |
| 2436 | if (doBump) { |
| 2437 | bumpDns(); |
| 2438 | } |
| 2439 | return; |
| 2440 | } |
| 2441 | SystemProperties.set(prop, ""); |
| 2442 | } |
| 2443 | } |
| 2444 | |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2445 | // return true if results in a change |
Lorenzo Colitti | c1358b2 | 2011-09-28 22:31:45 -0700 | [diff] [blame] | 2446 | private boolean writePidDns(Collection <InetAddress> dnses, int pid) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2447 | int j = 1; |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2448 | boolean changed = false; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 2449 | for (InetAddress dns : dnses) { |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2450 | String dnsString = dns.getHostAddress(); |
| 2451 | if (changed || !dnsString.equals(SystemProperties.get("net.dns" + j + "." + pid))) { |
| 2452 | changed = true; |
yoonsung.nam | 7b72ea7 | 2012-03-02 19:56:16 +0900 | [diff] [blame] | 2453 | SystemProperties.set("net.dns" + j + "." + pid, dns.getHostAddress()); |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2454 | } |
yoonsung.nam | 7b72ea7 | 2012-03-02 19:56:16 +0900 | [diff] [blame] | 2455 | j++; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2456 | } |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2457 | return changed; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2458 | } |
| 2459 | |
| 2460 | private void bumpDns() { |
| 2461 | /* |
| 2462 | * Bump the property that tells the name resolver library to reread |
| 2463 | * the DNS server list from the properties. |
| 2464 | */ |
| 2465 | String propVal = SystemProperties.get("net.dnschange"); |
| 2466 | int n = 0; |
| 2467 | if (propVal.length() != 0) { |
| 2468 | try { |
| 2469 | n = Integer.parseInt(propVal); |
| 2470 | } catch (NumberFormatException e) {} |
| 2471 | } |
| 2472 | SystemProperties.set("net.dnschange", "" + (n+1)); |
Robert Greenwalt | 03595d0 | 2010-11-02 14:08:23 -0700 | [diff] [blame] | 2473 | /* |
| 2474 | * Tell the VMs to toss their DNS caches |
| 2475 | */ |
| 2476 | Intent intent = new Intent(Intent.ACTION_CLEAR_DNS_CACHE); |
| 2477 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Stan Chesnutt | 3d1db86 | 2011-01-05 17:14:03 -0800 | [diff] [blame] | 2478 | /* |
| 2479 | * Connectivity events can happen before boot has completed ... |
| 2480 | */ |
| 2481 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 2482 | final long ident = Binder.clearCallingIdentity(); |
| 2483 | try { |
| 2484 | mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| 2485 | } finally { |
| 2486 | Binder.restoreCallingIdentity(ident); |
| 2487 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2488 | } |
| 2489 | |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2490 | // Caller must grab mDnsLock. |
Robert Greenwalt | a10b7fd | 2011-07-25 16:06:25 -0700 | [diff] [blame] | 2491 | private boolean updateDns(String network, String iface, |
Lorenzo Colitti | c1358b2 | 2011-09-28 22:31:45 -0700 | [diff] [blame] | 2492 | Collection<InetAddress> dnses, String domains) { |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2493 | boolean changed = false; |
| 2494 | int last = 0; |
| 2495 | if (dnses.size() == 0 && mDefaultDns != null) { |
| 2496 | ++last; |
| 2497 | String value = mDefaultDns.getHostAddress(); |
| 2498 | if (!value.equals(SystemProperties.get("net.dns1"))) { |
| 2499 | if (DBG) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2500 | loge("no dns provided for " + network + " - using " + value); |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2501 | } |
| 2502 | changed = true; |
| 2503 | SystemProperties.set("net.dns1", value); |
| 2504 | } |
| 2505 | } else { |
| 2506 | for (InetAddress dns : dnses) { |
| 2507 | ++last; |
| 2508 | String key = "net.dns" + last; |
| 2509 | String value = dns.getHostAddress(); |
| 2510 | if (!changed && value.equals(SystemProperties.get(key))) { |
| 2511 | continue; |
| 2512 | } |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2513 | if (VDBG) { |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2514 | log("adding dns " + value + " for " + network); |
| 2515 | } |
| 2516 | changed = true; |
| 2517 | SystemProperties.set(key, value); |
| 2518 | } |
| 2519 | } |
| 2520 | for (int i = last + 1; i <= mNumDnsEntries; ++i) { |
| 2521 | String key = "net.dns" + i; |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2522 | if (VDBG) log("erasing " + key); |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2523 | changed = true; |
| 2524 | SystemProperties.set(key, ""); |
| 2525 | } |
| 2526 | mNumDnsEntries = last; |
| 2527 | |
Robert Greenwalt | a10b7fd | 2011-07-25 16:06:25 -0700 | [diff] [blame] | 2528 | if (changed) { |
| 2529 | try { |
| 2530 | mNetd.setDnsServersForInterface(iface, NetworkUtils.makeStrings(dnses)); |
| 2531 | mNetd.setDefaultInterfaceForDns(iface); |
| 2532 | } catch (Exception e) { |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 2533 | if (DBG) loge("exception setting default dns interface: " + e); |
Robert Greenwalt | a10b7fd | 2011-07-25 16:06:25 -0700 | [diff] [blame] | 2534 | } |
| 2535 | } |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2536 | if (!domains.equals(SystemProperties.get("net.dns.search"))) { |
| 2537 | SystemProperties.set("net.dns.search", domains); |
| 2538 | changed = true; |
| 2539 | } |
| 2540 | return changed; |
| 2541 | } |
| 2542 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2543 | private void handleDnsConfigurationChange(int netType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2544 | // add default net's dns entries |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2545 | NetworkStateTracker nt = mNetTrackers[netType]; |
| 2546 | if (nt != null && nt.getNetworkInfo().isConnected() && !nt.isTeardownRequested()) { |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 2547 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2548 | if (p == null) return; |
| 2549 | Collection<InetAddress> dnses = p.getDnses(); |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2550 | boolean changed = false; |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 2551 | if (mNetConfigs[netType].isDefault()) { |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2552 | String network = nt.getNetworkInfo().getTypeName(); |
| 2553 | synchronized (mDnsLock) { |
| 2554 | if (!mDnsOverridden) { |
Lorenzo Colitti | c1358b2 | 2011-09-28 22:31:45 -0700 | [diff] [blame] | 2555 | changed = updateDns(network, p.getInterfaceName(), dnses, ""); |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 2556 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2557 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2558 | } else { |
Robert Greenwalt | a10b7fd | 2011-07-25 16:06:25 -0700 | [diff] [blame] | 2559 | try { |
Robert Greenwalt | c59c6da | 2011-07-27 10:00:36 -0700 | [diff] [blame] | 2560 | mNetd.setDnsServersForInterface(p.getInterfaceName(), |
Robert Greenwalt | a10b7fd | 2011-07-25 16:06:25 -0700 | [diff] [blame] | 2561 | NetworkUtils.makeStrings(dnses)); |
| 2562 | } catch (Exception e) { |
Robert Greenwalt | 8beff95 | 2011-12-13 15:26:02 -0800 | [diff] [blame] | 2563 | if (DBG) loge("exception setting dns servers: " + e); |
Robert Greenwalt | a10b7fd | 2011-07-25 16:06:25 -0700 | [diff] [blame] | 2564 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2565 | // set per-pid dns for attached secondary nets |
| 2566 | List pids = mNetRequestersPids[netType]; |
| 2567 | for (int y=0; y< pids.size(); y++) { |
| 2568 | Integer pid = (Integer)pids.get(y); |
Lorenzo Colitti | c1358b2 | 2011-09-28 22:31:45 -0700 | [diff] [blame] | 2569 | changed = writePidDns(dnses, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2570 | } |
| 2571 | } |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 2572 | if (changed) bumpDns(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2573 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2574 | } |
| 2575 | |
Robert Greenwalt | f2102f7 | 2011-05-03 19:02:44 -0700 | [diff] [blame] | 2576 | private int getRestoreDefaultNetworkDelay(int networkType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2577 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 2578 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 2579 | if(restoreDefaultNetworkDelayStr != null && |
| 2580 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 2581 | try { |
| 2582 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 2583 | } catch (NumberFormatException e) { |
| 2584 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2585 | } |
Robert Greenwalt | f2102f7 | 2011-05-03 19:02:44 -0700 | [diff] [blame] | 2586 | // if the system property isn't set, use the value for the apn type |
| 2587 | int ret = RESTORE_DEFAULT_NETWORK_DELAY; |
| 2588 | |
| 2589 | if ((networkType <= ConnectivityManager.MAX_NETWORK_TYPE) && |
| 2590 | (mNetConfigs[networkType] != null)) { |
| 2591 | ret = mNetConfigs[networkType].restoreTime; |
| 2592 | } |
| 2593 | return ret; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2594 | } |
| 2595 | |
| 2596 | @Override |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2597 | protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
| 2598 | final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 2599 | if (mContext.checkCallingOrSelfPermission( |
| 2600 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2601 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 2602 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 2603 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 2604 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2605 | return; |
| 2606 | } |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2607 | |
| 2608 | // TODO: add locking to get atomic snapshot |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2609 | pw.println(); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2610 | for (int i = 0; i < mNetTrackers.length; i++) { |
| 2611 | final NetworkStateTracker nst = mNetTrackers[i]; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2612 | if (nst != null) { |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2613 | pw.println("NetworkStateTracker for " + getNetworkTypeName(i) + ":"); |
| 2614 | pw.increaseIndent(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2615 | if (nst.getNetworkInfo().isConnected()) { |
| 2616 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 2617 | getTypeName()); |
| 2618 | } |
| 2619 | pw.println(nst.getNetworkInfo()); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2620 | pw.println(nst.getLinkProperties()); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2621 | pw.println(nst); |
| 2622 | pw.println(); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2623 | pw.decreaseIndent(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2624 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2625 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2626 | |
| 2627 | pw.println("Network Requester Pids:"); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2628 | pw.increaseIndent(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2629 | for (int net : mPriorityList) { |
| 2630 | String pidString = net + ": "; |
| 2631 | for (Object pid : mNetRequestersPids[net]) { |
| 2632 | pidString = pidString + pid.toString() + ", "; |
| 2633 | } |
| 2634 | pw.println(pidString); |
| 2635 | } |
| 2636 | pw.println(); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2637 | pw.decreaseIndent(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2638 | |
| 2639 | pw.println("FeatureUsers:"); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2640 | pw.increaseIndent(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 2641 | for (Object requester : mFeatureUsers) { |
| 2642 | pw.println(requester.toString()); |
| 2643 | } |
| 2644 | pw.println(); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2645 | pw.decreaseIndent(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2646 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2647 | synchronized (this) { |
| 2648 | pw.println("NetworkTranstionWakeLock is currently " + |
| 2649 | (mNetTransitionWakeLock.isHeld() ? "" : "not ") + "held."); |
| 2650 | pw.println("It was last requested for "+mNetTransitionWakeLockCausedBy); |
| 2651 | } |
| 2652 | pw.println(); |
| 2653 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2654 | mTethering.dump(fd, pw, args); |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 2655 | |
| 2656 | if (mInetLog != null) { |
| 2657 | pw.println(); |
| 2658 | pw.println("Inet condition reports:"); |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2659 | pw.increaseIndent(); |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 2660 | for(int i = 0; i < mInetLog.size(); i++) { |
| 2661 | pw.println(mInetLog.get(i)); |
| 2662 | } |
Jeff Sharkey | e6e6197 | 2012-09-14 13:47:51 -0700 | [diff] [blame] | 2663 | pw.decreaseIndent(); |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 2664 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2665 | } |
| 2666 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 2667 | // must be stateless - things change under us. |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2668 | private class NetworkStateTrackerHandler extends Handler { |
| 2669 | public NetworkStateTrackerHandler(Looper looper) { |
Wink Saville | bb08caf | 2010-09-02 19:23:52 -0700 | [diff] [blame] | 2670 | super(looper); |
| 2671 | } |
| 2672 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2673 | @Override |
| 2674 | public void handleMessage(Message msg) { |
| 2675 | NetworkInfo info; |
| 2676 | switch (msg.what) { |
| 2677 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 2678 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 2679 | int type = info.getType(); |
| 2680 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 2681 | |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2682 | if (VDBG || (state == NetworkInfo.State.CONNECTED) || |
| 2683 | (state == NetworkInfo.State.DISCONNECTED)) { |
| 2684 | log("ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 2685 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 2686 | state + "/" + info.getDetailedState()); |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2687 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2688 | |
Jeff Sharkey | 2528b50 | 2012-11-09 15:57:02 -0800 | [diff] [blame] | 2689 | EventLogTags.writeConnectivityStateChanged( |
| 2690 | info.getType(), info.getSubtype(), info.getDetailedState().ordinal()); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 2691 | |
| 2692 | if (info.getDetailedState() == |
| 2693 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2694 | handleConnectionFailure(info); |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 2695 | } else if (info.getDetailedState() == |
| 2696 | DetailedState.CAPTIVE_PORTAL_CHECK) { |
| 2697 | handleCaptivePortalTrackerCheck(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 2698 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2699 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 2700 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2701 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 2702 | // the logic here is, handle SUSPENDED the same as |
| 2703 | // DISCONNECTED. The only difference being we are |
| 2704 | // broadcasting an intent with NetworkInfo that's |
| 2705 | // suspended. This allows the applications an |
| 2706 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 2707 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2708 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 2709 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2710 | handleConnect(info); |
| 2711 | } |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 2712 | if (mLockdownTracker != null) { |
| 2713 | mLockdownTracker.onNetworkInfoChanged(info); |
| 2714 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2715 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2716 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 2717 | info = (NetworkInfo) msg.obj; |
Kazuhiro Ondo | 1ccb10e | 2011-06-22 21:10:34 -0500 | [diff] [blame] | 2718 | // TODO: Temporary allowing network configuration |
| 2719 | // change not resetting sockets. |
| 2720 | // @see bug/4455071 |
| 2721 | handleConnectivityChange(info.getType(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2722 | break; |
Robert Greenwalt | d14e176 | 2012-08-20 11:15:39 -0700 | [diff] [blame] | 2723 | case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: |
| 2724 | info = (NetworkInfo) msg.obj; |
| 2725 | type = info.getType(); |
| 2726 | updateNetworkSettings(mNetTrackers[type]); |
| 2727 | break; |
Jeff Sharkey | 4c628eb | 2012-07-23 13:19:46 -0700 | [diff] [blame] | 2728 | } |
| 2729 | } |
| 2730 | } |
| 2731 | |
| 2732 | private class InternalHandler extends Handler { |
| 2733 | public InternalHandler(Looper looper) { |
| 2734 | super(looper); |
| 2735 | } |
| 2736 | |
| 2737 | @Override |
| 2738 | public void handleMessage(Message msg) { |
| 2739 | NetworkInfo info; |
| 2740 | switch (msg.what) { |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 2741 | case EVENT_CLEAR_NET_TRANSITION_WAKELOCK: |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2742 | String causedBy = null; |
| 2743 | synchronized (ConnectivityService.this) { |
| 2744 | if (msg.arg1 == mNetTransitionWakeLockSerialNumber && |
| 2745 | mNetTransitionWakeLock.isHeld()) { |
| 2746 | mNetTransitionWakeLock.release(); |
| 2747 | causedBy = mNetTransitionWakeLockCausedBy; |
| 2748 | } |
| 2749 | } |
| 2750 | if (causedBy != null) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 2751 | log("NetTransition Wakelock for " + causedBy + " released by timeout"); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2752 | } |
Robert Greenwalt | 057d5e9 | 2010-09-09 14:05:10 -0700 | [diff] [blame] | 2753 | break; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2754 | case EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 2755 | FeatureUser u = (FeatureUser)msg.obj; |
| 2756 | u.expire(); |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 2757 | break; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2758 | case EVENT_INET_CONDITION_CHANGE: |
| 2759 | { |
| 2760 | int netType = msg.arg1; |
| 2761 | int condition = msg.arg2; |
| 2762 | handleInetConditionChange(netType, condition); |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2763 | break; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2764 | } |
| 2765 | case EVENT_INET_CONDITION_HOLD_END: |
| 2766 | { |
| 2767 | int netType = msg.arg1; |
| 2768 | int sequence = msg.arg2; |
| 2769 | handleInetConditionHoldEnd(netType, sequence); |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 2770 | break; |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2771 | } |
| 2772 | case EVENT_SET_NETWORK_PREFERENCE: |
| 2773 | { |
| 2774 | int preference = msg.arg1; |
| 2775 | handleSetNetworkPreference(preference); |
| 2776 | break; |
| 2777 | } |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2778 | case EVENT_SET_MOBILE_DATA: |
| 2779 | { |
| 2780 | boolean enabled = (msg.arg1 == ENABLED); |
| 2781 | handleSetMobileData(enabled); |
| 2782 | break; |
| 2783 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 2784 | case EVENT_APPLY_GLOBAL_HTTP_PROXY: |
| 2785 | { |
| 2786 | handleDeprecatedGlobalHttpProxy(); |
Robert Greenwalt | d55a6b4 | 2011-03-25 13:09:25 -0700 | [diff] [blame] | 2787 | break; |
| 2788 | } |
| 2789 | case EVENT_SET_DEPENDENCY_MET: |
| 2790 | { |
| 2791 | boolean met = (msg.arg1 == ENABLED); |
| 2792 | handleSetDependencyMet(msg.arg2, met); |
| 2793 | break; |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 2794 | } |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 2795 | case EVENT_RESTORE_DNS: |
| 2796 | { |
| 2797 | if (mActiveDefaultNetwork != -1) { |
| 2798 | handleDnsConfigurationChange(mActiveDefaultNetwork); |
| 2799 | } |
| 2800 | break; |
| 2801 | } |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 2802 | case EVENT_SEND_STICKY_BROADCAST_INTENT: |
| 2803 | { |
| 2804 | Intent intent = (Intent)msg.obj; |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 2805 | sendStickyBroadcast(intent); |
| 2806 | break; |
| 2807 | } |
Jeff Sharkey | 8e28b7d | 2011-08-19 02:24:24 -0700 | [diff] [blame] | 2808 | case EVENT_SET_POLICY_DATA_ENABLE: { |
| 2809 | final int networkType = msg.arg1; |
| 2810 | final boolean enabled = msg.arg2 == ENABLED; |
| 2811 | handleSetPolicyDataEnable(networkType, enabled); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 2812 | break; |
| 2813 | } |
| 2814 | case EVENT_VPN_STATE_CHANGED: { |
| 2815 | if (mLockdownTracker != null) { |
| 2816 | mLockdownTracker.onVpnStateChanged((NetworkInfo) msg.obj); |
| 2817 | } |
| 2818 | break; |
Jeff Sharkey | 8e28b7d | 2011-08-19 02:24:24 -0700 | [diff] [blame] | 2819 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2820 | } |
| 2821 | } |
| 2822 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2823 | |
| 2824 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 2825 | public int tether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2826 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 2827 | |
| 2828 | if (isTetheringSupported()) { |
| 2829 | return mTethering.tether(iface); |
| 2830 | } else { |
| 2831 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 2832 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2833 | } |
| 2834 | |
| 2835 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 2836 | public int untether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2837 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 2838 | |
| 2839 | if (isTetheringSupported()) { |
| 2840 | return mTethering.untether(iface); |
| 2841 | } else { |
| 2842 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 2843 | } |
| 2844 | } |
| 2845 | |
| 2846 | // javadoc from interface |
| 2847 | public int getLastTetherError(String iface) { |
| 2848 | enforceTetherAccessPermission(); |
| 2849 | |
| 2850 | if (isTetheringSupported()) { |
| 2851 | return mTethering.getLastTetherError(iface); |
| 2852 | } else { |
| 2853 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 2854 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2855 | } |
| 2856 | |
| 2857 | // TODO - proper iface API for selection by property, inspection, etc |
| 2858 | public String[] getTetherableUsbRegexs() { |
| 2859 | enforceTetherAccessPermission(); |
| 2860 | if (isTetheringSupported()) { |
| 2861 | return mTethering.getTetherableUsbRegexs(); |
| 2862 | } else { |
| 2863 | return new String[0]; |
| 2864 | } |
| 2865 | } |
| 2866 | |
| 2867 | public String[] getTetherableWifiRegexs() { |
| 2868 | enforceTetherAccessPermission(); |
| 2869 | if (isTetheringSupported()) { |
| 2870 | return mTethering.getTetherableWifiRegexs(); |
| 2871 | } else { |
| 2872 | return new String[0]; |
| 2873 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2874 | } |
| 2875 | |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 2876 | public String[] getTetherableBluetoothRegexs() { |
| 2877 | enforceTetherAccessPermission(); |
| 2878 | if (isTetheringSupported()) { |
| 2879 | return mTethering.getTetherableBluetoothRegexs(); |
| 2880 | } else { |
| 2881 | return new String[0]; |
| 2882 | } |
| 2883 | } |
| 2884 | |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 2885 | public int setUsbTethering(boolean enable) { |
| 2886 | enforceTetherAccessPermission(); |
| 2887 | if (isTetheringSupported()) { |
| 2888 | return mTethering.setUsbTethering(enable); |
| 2889 | } else { |
| 2890 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 2891 | } |
| 2892 | } |
| 2893 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2894 | // TODO - move iface listing, queries, etc to new module |
| 2895 | // javadoc from interface |
| 2896 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2897 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2898 | return mTethering.getTetherableIfaces(); |
| 2899 | } |
| 2900 | |
| 2901 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2902 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 2903 | return mTethering.getTetheredIfaces(); |
| 2904 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2905 | |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 2906 | @Override |
| 2907 | public String[] getTetheredIfacePairs() { |
| 2908 | enforceTetherAccessPermission(); |
| 2909 | return mTethering.getTetheredIfacePairs(); |
| 2910 | } |
| 2911 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 2912 | public String[] getTetheringErroredIfaces() { |
| 2913 | enforceTetherAccessPermission(); |
| 2914 | return mTethering.getErroredIfaces(); |
| 2915 | } |
| 2916 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2917 | // if ro.tether.denied = true we default to no tethering |
| 2918 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 2919 | // had previously been turned off. |
| 2920 | public boolean isTetheringSupported() { |
| 2921 | enforceTetherAccessPermission(); |
| 2922 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
Jeff Brown | bf6f6f9 | 2012-09-25 15:03:20 -0700 | [diff] [blame] | 2923 | boolean tetherEnabledInSettings = (Settings.Global.getInt(mContext.getContentResolver(), |
| 2924 | Settings.Global.TETHER_SUPPORTED, defaultVal) != 0); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 2925 | return tetherEnabledInSettings && mTetheringConfigValid; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 2926 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2927 | |
| 2928 | // An API NetworkStateTrackers can call when they lose their network. |
| 2929 | // This will automatically be cleared after X seconds or a network becomes CONNECTED, |
| 2930 | // whichever happens first. The timer is started by the first caller and not |
| 2931 | // restarted by subsequent callers. |
| 2932 | public void requestNetworkTransitionWakelock(String forWhom) { |
| 2933 | enforceConnectivityInternalPermission(); |
| 2934 | synchronized (this) { |
| 2935 | if (mNetTransitionWakeLock.isHeld()) return; |
| 2936 | mNetTransitionWakeLockSerialNumber++; |
| 2937 | mNetTransitionWakeLock.acquire(); |
| 2938 | mNetTransitionWakeLockCausedBy = forWhom; |
| 2939 | } |
| 2940 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
Robert Greenwalt | f333123 | 2010-09-24 14:32:21 -0700 | [diff] [blame] | 2941 | EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 2942 | mNetTransitionWakeLockSerialNumber, 0), |
| 2943 | mNetTransitionWakeLockTimeout); |
| 2944 | return; |
| 2945 | } |
Robert Greenwalt | ca4306c | 2010-09-09 13:15:32 -0700 | [diff] [blame] | 2946 | |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 2947 | // 100 percent is full good, 0 is full bad. |
| 2948 | public void reportInetCondition(int networkType, int percentage) { |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 2949 | if (VDBG) log("reportNetworkCondition(" + networkType + ", " + percentage + ")"); |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 2950 | mContext.enforceCallingOrSelfPermission( |
| 2951 | android.Manifest.permission.STATUS_BAR, |
| 2952 | "ConnectivityService"); |
| 2953 | |
Robert Greenwalt | 4e8dfef | 2010-09-20 14:35:25 -0700 | [diff] [blame] | 2954 | if (DBG) { |
| 2955 | int pid = getCallingPid(); |
| 2956 | int uid = getCallingUid(); |
| 2957 | String s = pid + "(" + uid + ") reports inet is " + |
| 2958 | (percentage > 50 ? "connected" : "disconnected") + " (" + percentage + ") on " + |
| 2959 | "network Type " + networkType + " at " + GregorianCalendar.getInstance().getTime(); |
| 2960 | mInetLog.add(s); |
| 2961 | while(mInetLog.size() > INET_CONDITION_LOG_MAX_SIZE) { |
| 2962 | mInetLog.remove(0); |
| 2963 | } |
| 2964 | } |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 2965 | mHandler.sendMessage(mHandler.obtainMessage( |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2966 | EVENT_INET_CONDITION_CHANGE, networkType, percentage)); |
| 2967 | } |
| 2968 | |
| 2969 | private void handleInetConditionChange(int netType, int condition) { |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2970 | if (mActiveDefaultNetwork == -1) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2971 | if (DBG) log("handleInetConditionChange: no active default network - ignore"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2972 | return; |
| 2973 | } |
| 2974 | if (mActiveDefaultNetwork != netType) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2975 | if (DBG) log("handleInetConditionChange: net=" + netType + |
| 2976 | " != default=" + mActiveDefaultNetwork + " - ignore"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2977 | return; |
| 2978 | } |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2979 | if (VDBG) { |
| 2980 | log("handleInetConditionChange: net=" + |
| 2981 | netType + ", condition=" + condition + |
| 2982 | ",mActiveDefaultNetwork=" + mActiveDefaultNetwork); |
| 2983 | } |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2984 | mDefaultInetCondition = condition; |
| 2985 | int delay; |
| 2986 | if (mInetConditionChangeInFlight == false) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 2987 | if (VDBG) log("handleInetConditionChange: starting a change hold"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2988 | // setup a new hold to debounce this |
| 2989 | if (mDefaultInetCondition > 50) { |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 2990 | delay = Settings.Global.getInt(mContext.getContentResolver(), |
| 2991 | Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY, 500); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2992 | } else { |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 2993 | delay = Settings.Global.getInt(mContext.getContentResolver(), |
| 2994 | Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY, 3000); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 2995 | } |
| 2996 | mInetConditionChangeInFlight = true; |
| 2997 | mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_INET_CONDITION_HOLD_END, |
| 2998 | mActiveDefaultNetwork, mDefaultConnectionSequence), delay); |
| 2999 | } else { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 3000 | // we've set the new condition, when this hold ends that will get picked up |
| 3001 | if (VDBG) log("handleInetConditionChange: currently in hold - not setting new end evt"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3002 | } |
| 3003 | } |
| 3004 | |
| 3005 | private void handleInetConditionHoldEnd(int netType, int sequence) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 3006 | if (DBG) { |
| 3007 | log("handleInetConditionHoldEnd: net=" + netType + |
| 3008 | ", condition=" + mDefaultInetCondition + |
| 3009 | ", published condition=" + mDefaultInetConditionPublished); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3010 | } |
| 3011 | mInetConditionChangeInFlight = false; |
| 3012 | |
| 3013 | if (mActiveDefaultNetwork == -1) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 3014 | if (DBG) log("handleInetConditionHoldEnd: no active default network - ignoring"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3015 | return; |
| 3016 | } |
| 3017 | if (mDefaultConnectionSequence != sequence) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 3018 | if (DBG) log("handleInetConditionHoldEnd: event hold for obsolete network - ignoring"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3019 | return; |
| 3020 | } |
Wink Saville | 628b085 | 2011-08-04 15:01:58 -0700 | [diff] [blame] | 3021 | // TODO: Figure out why this optimization sometimes causes a |
| 3022 | // change in mDefaultInetCondition to be missed and the |
| 3023 | // UI to not be updated. |
| 3024 | //if (mDefaultInetConditionPublished == mDefaultInetCondition) { |
| 3025 | // if (DBG) log("no change in condition - aborting"); |
| 3026 | // return; |
| 3027 | //} |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3028 | NetworkInfo networkInfo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(); |
| 3029 | if (networkInfo.isConnected() == false) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 3030 | if (DBG) log("handleInetConditionHoldEnd: default network not connected - ignoring"); |
Robert Greenwalt | 8dcc28b | 2010-09-23 10:05:56 -0700 | [diff] [blame] | 3031 | return; |
| 3032 | } |
| 3033 | mDefaultInetConditionPublished = mDefaultInetCondition; |
| 3034 | sendInetConditionBroadcast(networkInfo); |
| 3035 | return; |
Robert Greenwalt | d7085fc | 2010-09-08 15:24:47 -0700 | [diff] [blame] | 3036 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3037 | |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3038 | public ProxyProperties getProxy() { |
| 3039 | synchronized (mDefaultProxyLock) { |
| 3040 | return mDefaultProxyDisabled ? null : mDefaultProxy; |
| 3041 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3042 | } |
| 3043 | |
| 3044 | public void setGlobalProxy(ProxyProperties proxyProperties) { |
| 3045 | enforceChangePermission(); |
| 3046 | synchronized (mGlobalProxyLock) { |
| 3047 | if (proxyProperties == mGlobalProxy) return; |
| 3048 | if (proxyProperties != null && proxyProperties.equals(mGlobalProxy)) return; |
| 3049 | if (mGlobalProxy != null && mGlobalProxy.equals(proxyProperties)) return; |
| 3050 | |
| 3051 | String host = ""; |
| 3052 | int port = 0; |
| 3053 | String exclList = ""; |
| 3054 | if (proxyProperties != null && !TextUtils.isEmpty(proxyProperties.getHost())) { |
| 3055 | mGlobalProxy = new ProxyProperties(proxyProperties); |
| 3056 | host = mGlobalProxy.getHost(); |
| 3057 | port = mGlobalProxy.getPort(); |
| 3058 | exclList = mGlobalProxy.getExclusionList(); |
| 3059 | } else { |
| 3060 | mGlobalProxy = null; |
| 3061 | } |
| 3062 | ContentResolver res = mContext.getContentResolver(); |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 3063 | Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, host); |
| 3064 | Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, port); |
| 3065 | Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3066 | exclList); |
| 3067 | } |
| 3068 | |
| 3069 | if (mGlobalProxy == null) { |
| 3070 | proxyProperties = mDefaultProxy; |
| 3071 | } |
Chia-chi Yeh | e4474c3 | 2011-09-28 16:38:18 -0700 | [diff] [blame] | 3072 | //sendProxyBroadcast(proxyProperties); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3073 | } |
| 3074 | |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 3075 | private void loadGlobalProxy() { |
| 3076 | ContentResolver res = mContext.getContentResolver(); |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 3077 | String host = Settings.Global.getString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST); |
| 3078 | int port = Settings.Global.getInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, 0); |
| 3079 | String exclList = Settings.Global.getString(res, |
| 3080 | Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST); |
Robert Greenwalt | b7090d6 | 2010-12-02 11:31:00 -0800 | [diff] [blame] | 3081 | if (!TextUtils.isEmpty(host)) { |
| 3082 | ProxyProperties proxyProperties = new ProxyProperties(host, port, exclList); |
| 3083 | synchronized (mGlobalProxyLock) { |
| 3084 | mGlobalProxy = proxyProperties; |
| 3085 | } |
| 3086 | } |
| 3087 | } |
| 3088 | |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3089 | public ProxyProperties getGlobalProxy() { |
| 3090 | synchronized (mGlobalProxyLock) { |
| 3091 | return mGlobalProxy; |
| 3092 | } |
| 3093 | } |
| 3094 | |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3095 | private void handleApplyDefaultProxy(ProxyProperties proxy) { |
| 3096 | if (proxy != null && TextUtils.isEmpty(proxy.getHost())) { |
| 3097 | proxy = null; |
| 3098 | } |
| 3099 | synchronized (mDefaultProxyLock) { |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3100 | if (mDefaultProxy != null && mDefaultProxy.equals(proxy)) return; |
| 3101 | if (mDefaultProxy == proxy) return; |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3102 | mDefaultProxy = proxy; |
| 3103 | |
| 3104 | if (!mDefaultProxyDisabled) { |
| 3105 | sendProxyBroadcast(proxy); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3106 | } |
| 3107 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3108 | } |
| 3109 | |
| 3110 | private void handleDeprecatedGlobalHttpProxy() { |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 3111 | String proxy = Settings.Global.getString(mContext.getContentResolver(), |
| 3112 | Settings.Global.HTTP_PROXY); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3113 | if (!TextUtils.isEmpty(proxy)) { |
| 3114 | String data[] = proxy.split(":"); |
| 3115 | String proxyHost = data[0]; |
| 3116 | int proxyPort = 8080; |
| 3117 | if (data.length > 1) { |
| 3118 | try { |
| 3119 | proxyPort = Integer.parseInt(data[1]); |
| 3120 | } catch (NumberFormatException e) { |
| 3121 | return; |
| 3122 | } |
| 3123 | } |
| 3124 | ProxyProperties p = new ProxyProperties(data[0], proxyPort, ""); |
| 3125 | setGlobalProxy(p); |
| 3126 | } |
| 3127 | } |
| 3128 | |
| 3129 | private void sendProxyBroadcast(ProxyProperties proxy) { |
Robert Greenwalt | 55985be | 2010-12-23 15:51:10 -0800 | [diff] [blame] | 3130 | if (proxy == null) proxy = new ProxyProperties("", 0, ""); |
Robert Greenwalt | 58d4c59 | 2011-08-02 17:18:41 -0700 | [diff] [blame] | 3131 | if (DBG) log("sending Proxy Broadcast for " + proxy); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3132 | Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION); |
Stan Chesnutt | b35d67a | 2011-01-06 11:00:19 -0800 | [diff] [blame] | 3133 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING | |
| 3134 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3135 | intent.putExtra(Proxy.EXTRA_PROXY_INFO, proxy); |
Dianne Hackborn | fd8bf5c | 2012-09-04 18:48:37 -0700 | [diff] [blame] | 3136 | final long ident = Binder.clearCallingIdentity(); |
| 3137 | try { |
| 3138 | mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| 3139 | } finally { |
| 3140 | Binder.restoreCallingIdentity(ident); |
| 3141 | } |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3142 | } |
| 3143 | |
| 3144 | private static class SettingsObserver extends ContentObserver { |
| 3145 | private int mWhat; |
| 3146 | private Handler mHandler; |
| 3147 | SettingsObserver(Handler handler, int what) { |
| 3148 | super(handler); |
| 3149 | mHandler = handler; |
| 3150 | mWhat = what; |
| 3151 | } |
| 3152 | |
| 3153 | void observe(Context context) { |
| 3154 | ContentResolver resolver = context.getContentResolver(); |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 3155 | resolver.registerContentObserver(Settings.Global.getUriFor( |
| 3156 | Settings.Global.HTTP_PROXY), false, this); |
Robert Greenwalt | 434203a | 2010-10-11 16:00:27 -0700 | [diff] [blame] | 3157 | } |
| 3158 | |
| 3159 | @Override |
| 3160 | public void onChange(boolean selfChange) { |
| 3161 | mHandler.obtainMessage(mWhat).sendToTarget(); |
| 3162 | } |
| 3163 | } |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 3164 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 3165 | private static void log(String s) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 3166 | Slog.d(TAG, s); |
| 3167 | } |
| 3168 | |
Jeff Sharkey | fb878b6 | 2012-07-26 18:32:30 -0700 | [diff] [blame] | 3169 | private static void loge(String s) { |
Wink Saville | ed9c02b | 2010-12-03 12:01:38 -0800 | [diff] [blame] | 3170 | Slog.e(TAG, s); |
| 3171 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3172 | |
repo sync | aea743a | 2011-07-29 23:55:49 -0700 | [diff] [blame] | 3173 | int convertFeatureToNetworkType(int networkType, String feature) { |
| 3174 | int usedNetworkType = networkType; |
| 3175 | |
| 3176 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
| 3177 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 3178 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 3179 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 3180 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 3181 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN) || |
| 3182 | TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN_ALWAYS)) { |
| 3183 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 3184 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 3185 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 3186 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_FOTA)) { |
| 3187 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_FOTA; |
| 3188 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_IMS)) { |
| 3189 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_IMS; |
| 3190 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_CBS)) { |
| 3191 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_CBS; |
| 3192 | } else { |
| 3193 | Slog.e(TAG, "Can't match any mobile netTracker!"); |
| 3194 | } |
| 3195 | } else if (networkType == ConnectivityManager.TYPE_WIFI) { |
| 3196 | if (TextUtils.equals(feature, "p2p")) { |
| 3197 | usedNetworkType = ConnectivityManager.TYPE_WIFI_P2P; |
| 3198 | } else { |
| 3199 | Slog.e(TAG, "Can't match any wifi netTracker!"); |
| 3200 | } |
| 3201 | } else { |
| 3202 | Slog.e(TAG, "Unexpected network type"); |
Wink Saville | 2b8bcfe | 2011-02-24 17:58:51 -0800 | [diff] [blame] | 3203 | } |
repo sync | aea743a | 2011-07-29 23:55:49 -0700 | [diff] [blame] | 3204 | return usedNetworkType; |
Wink Saville | 2b8bcfe | 2011-02-24 17:58:51 -0800 | [diff] [blame] | 3205 | } |
Jeff Sharkey | c006f1a | 2011-05-19 17:12:49 -0700 | [diff] [blame] | 3206 | |
| 3207 | private static <T> T checkNotNull(T value, String message) { |
| 3208 | if (value == null) { |
| 3209 | throw new NullPointerException(message); |
| 3210 | } |
| 3211 | return value; |
| 3212 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3213 | |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3214 | /** |
| 3215 | * Protect a socket from VPN routing rules. This method is used by |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3216 | * VpnBuilder and not available in ConnectivityManager. Permissions |
| 3217 | * are checked in Vpn class. |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3218 | * @hide |
| 3219 | */ |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3220 | @Override |
Chia-chi Yeh | 5779c9c | 2011-07-14 16:19:19 -0700 | [diff] [blame] | 3221 | public boolean protectVpn(ParcelFileDescriptor socket) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3222 | throwIfLockdownEnabled(); |
Chia-chi Yeh | 5779c9c | 2011-07-14 16:19:19 -0700 | [diff] [blame] | 3223 | try { |
| 3224 | int type = mActiveDefaultNetwork; |
| 3225 | if (ConnectivityManager.isNetworkTypeValid(type)) { |
| 3226 | mVpn.protect(socket, mNetTrackers[type].getLinkProperties().getInterfaceName()); |
| 3227 | return true; |
| 3228 | } |
| 3229 | } catch (Exception e) { |
| 3230 | // ignore |
| 3231 | } finally { |
| 3232 | try { |
| 3233 | socket.close(); |
| 3234 | } catch (Exception e) { |
| 3235 | // ignore |
| 3236 | } |
| 3237 | } |
| 3238 | return false; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3239 | } |
| 3240 | |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3241 | /** |
| 3242 | * Prepare for a VPN application. This method is used by VpnDialogs |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3243 | * and not available in ConnectivityManager. Permissions are checked |
| 3244 | * in Vpn class. |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3245 | * @hide |
| 3246 | */ |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3247 | @Override |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 3248 | public boolean prepareVpn(String oldPackage, String newPackage) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3249 | throwIfLockdownEnabled(); |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 3250 | return mVpn.prepare(oldPackage, newPackage); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3251 | } |
| 3252 | |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3253 | /** |
| 3254 | * Configure a TUN interface and return its file descriptor. Parameters |
| 3255 | * 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] | 3256 | * and not available in ConnectivityManager. Permissions are checked in |
| 3257 | * Vpn class. |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3258 | * @hide |
| 3259 | */ |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3260 | @Override |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 3261 | public ParcelFileDescriptor establishVpn(VpnConfig config) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3262 | throwIfLockdownEnabled(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3263 | return mVpn.establish(config); |
| 3264 | } |
| 3265 | |
Chia-chi Yeh | 77fd485 | 2011-07-02 17:15:00 -0700 | [diff] [blame] | 3266 | /** |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 3267 | * Start legacy VPN, controlling native daemons as needed. Creates a |
| 3268 | * secondary thread to perform connection work, returning quickly. |
Chia-chi Yeh | 77fd485 | 2011-07-02 17:15:00 -0700 | [diff] [blame] | 3269 | */ |
| 3270 | @Override |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 3271 | public void startLegacyVpn(VpnProfile profile) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3272 | throwIfLockdownEnabled(); |
Jeff Sharkey | 82f8521 | 2012-08-24 11:17:25 -0700 | [diff] [blame] | 3273 | final LinkProperties egress = getActiveLinkProperties(); |
| 3274 | if (egress == null) { |
| 3275 | throw new IllegalStateException("Missing active network connection"); |
| 3276 | } |
| 3277 | mVpn.startLegacyVpn(profile, mKeyStore, egress); |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3278 | } |
| 3279 | |
| 3280 | /** |
| 3281 | * Return the information of the ongoing legacy VPN. This method is used |
| 3282 | * by VpnSettings and not available in ConnectivityManager. Permissions |
| 3283 | * are checked in Vpn class. |
| 3284 | * @hide |
| 3285 | */ |
| 3286 | @Override |
| 3287 | public LegacyVpnInfo getLegacyVpnInfo() { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3288 | throwIfLockdownEnabled(); |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 3289 | return mVpn.getLegacyVpnInfo(); |
Chia-chi Yeh | 77fd485 | 2011-07-02 17:15:00 -0700 | [diff] [blame] | 3290 | } |
| 3291 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3292 | /** |
| 3293 | * Callback for VPN subsystem. Currently VPN is not adapted to the service |
| 3294 | * through NetworkStateTracker since it works differently. For example, it |
| 3295 | * needs to override DNS servers but never takes the default routes. It |
| 3296 | * relies on another data network, and it could keep existing connections |
| 3297 | * alive after reconnecting, switching between networks, or even resuming |
| 3298 | * from deep sleep. Calls from applications should be done synchronously |
| 3299 | * to avoid race conditions. As these are all hidden APIs, refactoring can |
| 3300 | * be done whenever a better abstraction is developed. |
| 3301 | */ |
| 3302 | public class VpnCallback { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3303 | private VpnCallback() { |
| 3304 | } |
| 3305 | |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 3306 | public void onStateChanged(NetworkInfo info) { |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3307 | mHandler.obtainMessage(EVENT_VPN_STATE_CHANGED, info).sendToTarget(); |
Jeff Sharkey | 899223b | 2012-08-04 15:24:58 -0700 | [diff] [blame] | 3308 | } |
| 3309 | |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 3310 | public void override(List<String> dnsServers, List<String> searchDomains) { |
| 3311 | if (dnsServers == null) { |
| 3312 | restore(); |
| 3313 | return; |
| 3314 | } |
| 3315 | |
| 3316 | // Convert DNS servers into addresses. |
| 3317 | List<InetAddress> addresses = new ArrayList<InetAddress>(); |
| 3318 | for (String address : dnsServers) { |
| 3319 | // Double check the addresses and remove invalid ones. |
| 3320 | try { |
| 3321 | addresses.add(InetAddress.parseNumericAddress(address)); |
| 3322 | } catch (Exception e) { |
| 3323 | // ignore |
| 3324 | } |
| 3325 | } |
| 3326 | if (addresses.isEmpty()) { |
| 3327 | restore(); |
| 3328 | return; |
| 3329 | } |
| 3330 | |
| 3331 | // Concatenate search domains into a string. |
| 3332 | StringBuilder buffer = new StringBuilder(); |
| 3333 | if (searchDomains != null) { |
| 3334 | for (String domain : searchDomains) { |
| 3335 | buffer.append(domain).append(' '); |
| 3336 | } |
| 3337 | } |
| 3338 | String domains = buffer.toString().trim(); |
| 3339 | |
| 3340 | // Apply DNS changes. |
| 3341 | boolean changed = false; |
| 3342 | synchronized (mDnsLock) { |
Lorenzo Colitti | c1358b2 | 2011-09-28 22:31:45 -0700 | [diff] [blame] | 3343 | changed = updateDns("VPN", "VPN", addresses, domains); |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 3344 | mDnsOverridden = true; |
| 3345 | } |
| 3346 | if (changed) { |
| 3347 | bumpDns(); |
| 3348 | } |
| 3349 | |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3350 | // Temporarily disable the default proxy. |
| 3351 | synchronized (mDefaultProxyLock) { |
| 3352 | mDefaultProxyDisabled = true; |
| 3353 | if (mDefaultProxy != null) { |
| 3354 | sendProxyBroadcast(null); |
| 3355 | } |
| 3356 | } |
| 3357 | |
| 3358 | // TODO: support proxy per network. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3359 | } |
| 3360 | |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 3361 | public void restore() { |
| 3362 | synchronized (mDnsLock) { |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3363 | if (mDnsOverridden) { |
| 3364 | mDnsOverridden = false; |
| 3365 | mHandler.sendEmptyMessage(EVENT_RESTORE_DNS); |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 3366 | } |
Chia-chi Yeh | 44bb251 | 2011-07-14 18:01:57 -0700 | [diff] [blame] | 3367 | } |
Chia-chi Yeh | 4c12a47 | 2011-10-03 15:34:04 -0700 | [diff] [blame] | 3368 | synchronized (mDefaultProxyLock) { |
| 3369 | mDefaultProxyDisabled = false; |
| 3370 | if (mDefaultProxy != null) { |
| 3371 | sendProxyBroadcast(mDefaultProxy); |
| 3372 | } |
| 3373 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 3374 | } |
| 3375 | } |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3376 | |
| 3377 | @Override |
| 3378 | public boolean updateLockdownVpn() { |
Jeff Sharkey | f56e243 | 2012-09-06 17:54:29 -0700 | [diff] [blame] | 3379 | enforceSystemUid(); |
Jeff Sharkey | 69ddab4 | 2012-08-25 00:05:46 -0700 | [diff] [blame] | 3380 | |
| 3381 | // Tear down existing lockdown if profile was removed |
| 3382 | mLockdownEnabled = LockdownVpnTracker.isEnabled(); |
| 3383 | if (mLockdownEnabled) { |
| 3384 | if (mKeyStore.state() != KeyStore.State.UNLOCKED) { |
| 3385 | Slog.w(TAG, "KeyStore locked; unable to create LockdownTracker"); |
| 3386 | return false; |
| 3387 | } |
| 3388 | |
| 3389 | final String profileName = new String(mKeyStore.get(Credentials.LOCKDOWN_VPN)); |
| 3390 | final VpnProfile profile = VpnProfile.decode( |
| 3391 | profileName, mKeyStore.get(Credentials.VPN + profileName)); |
| 3392 | setLockdownTracker(new LockdownVpnTracker(mContext, mNetd, this, mVpn, profile)); |
| 3393 | } else { |
| 3394 | setLockdownTracker(null); |
| 3395 | } |
| 3396 | |
| 3397 | return true; |
| 3398 | } |
| 3399 | |
| 3400 | /** |
| 3401 | * Internally set new {@link LockdownVpnTracker}, shutting down any existing |
| 3402 | * {@link LockdownVpnTracker}. Can be {@code null} to disable lockdown. |
| 3403 | */ |
| 3404 | private void setLockdownTracker(LockdownVpnTracker tracker) { |
| 3405 | // Shutdown any existing tracker |
| 3406 | final LockdownVpnTracker existing = mLockdownTracker; |
| 3407 | mLockdownTracker = null; |
| 3408 | if (existing != null) { |
| 3409 | existing.shutdown(); |
| 3410 | } |
| 3411 | |
| 3412 | try { |
| 3413 | if (tracker != null) { |
| 3414 | mNetd.setFirewallEnabled(true); |
| 3415 | mLockdownTracker = tracker; |
| 3416 | mLockdownTracker.init(); |
| 3417 | } else { |
| 3418 | mNetd.setFirewallEnabled(false); |
| 3419 | } |
| 3420 | } catch (RemoteException e) { |
| 3421 | // ignored; NMS lives inside system_server |
| 3422 | } |
| 3423 | } |
| 3424 | |
| 3425 | private void throwIfLockdownEnabled() { |
| 3426 | if (mLockdownEnabled) { |
| 3427 | throw new IllegalStateException("Unavailable in lockdown mode"); |
| 3428 | } |
| 3429 | } |
Jeff Sharkey | f56e243 | 2012-09-06 17:54:29 -0700 | [diff] [blame] | 3430 | |
| 3431 | private static void enforceSystemUid() { |
| 3432 | final int uid = Binder.getCallingUid(); |
| 3433 | if (uid != Process.SYSTEM_UID) { |
| 3434 | throw new SecurityException("Only available to AID_SYSTEM"); |
| 3435 | } |
| 3436 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3437 | } |