Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | |
markchien | 503be61 | 2020-04-12 21:41:29 +0800 | [diff] [blame] | 17 | package com.android.networkstack.tethering; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 18 | |
Erik Kline | 54f2f37 | 2017-05-15 21:11:47 +0900 | [diff] [blame] | 19 | import static android.content.Context.TELEPHONY_SERVICE; |
Erik Kline | 1e54351 | 2017-03-09 11:44:11 +0900 | [diff] [blame] | 20 | import static android.net.ConnectivityManager.TYPE_ETHERNET; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 21 | import static android.net.ConnectivityManager.TYPE_MOBILE; |
| 22 | import static android.net.ConnectivityManager.TYPE_MOBILE_DUN; |
| 23 | import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI; |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 24 | import static android.provider.DeviceConfig.NAMESPACE_CONNECTIVITY; |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 25 | |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 26 | import android.content.Context; |
| 27 | import android.content.res.Resources; |
markchien | 0df2ebc4 | 2019-09-30 14:40:57 +0800 | [diff] [blame] | 28 | import android.net.TetheringConfigurationParcel; |
Erik Kline | e93ed61 | 2018-04-10 07:01:16 +0000 | [diff] [blame] | 29 | import android.net.util.SharedLog; |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 30 | import android.provider.DeviceConfig; |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 31 | import android.telephony.SubscriptionManager; |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 32 | import android.telephony.TelephonyManager; |
| 33 | import android.text.TextUtils; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 34 | |
Chalard Jean | 918a68b | 2018-01-19 17:00:47 +0900 | [diff] [blame] | 35 | import com.android.internal.annotations.VisibleForTesting; |
| 36 | |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 37 | import java.io.PrintWriter; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 38 | import java.util.ArrayList; |
| 39 | import java.util.Arrays; |
| 40 | import java.util.Collection; |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 41 | import java.util.StringJoiner; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 42 | |
| 43 | |
| 44 | /** |
| 45 | * A utility class to encapsulate the various tethering configuration elements. |
| 46 | * |
| 47 | * This configuration data includes elements describing upstream properties |
| 48 | * (preferred and required types of upstream connectivity as well as default |
| 49 | * DNS servers to use if none are available) and downstream properties (such |
| 50 | * as regular expressions use to match suitable downstream interfaces and the |
| 51 | * DHCPv4 ranges to use). |
| 52 | * |
| 53 | * @hide |
| 54 | */ |
| 55 | public class TetheringConfiguration { |
| 56 | private static final String TAG = TetheringConfiguration.class.getSimpleName(); |
| 57 | |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 58 | private static final String[] EMPTY_STRING_ARRAY = new String[0]; |
| 59 | |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 60 | // Default ranges used for the legacy DHCP server. |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 61 | // USB is 192.168.42.1 and 255.255.255.0 |
| 62 | // Wifi is 192.168.43.1 and 255.255.255.0 |
| 63 | // BT is limited to max default of 5 connections. 192.168.44.1 to 192.168.48.1 |
| 64 | // with 255.255.255.0 |
| 65 | // P2P is 192.168.49.1 and 255.255.255.0 |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 66 | private static final String[] LEGACY_DHCP_DEFAULT_RANGE = { |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 67 | "192.168.42.2", "192.168.42.254", "192.168.43.2", "192.168.43.254", |
| 68 | "192.168.44.2", "192.168.44.254", "192.168.45.2", "192.168.45.254", |
| 69 | "192.168.46.2", "192.168.46.254", "192.168.47.2", "192.168.47.254", |
| 70 | "192.168.48.2", "192.168.48.254", "192.168.49.2", "192.168.49.254", |
| 71 | }; |
| 72 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 73 | private static final String[] DEFAULT_IPV4_DNS = {"8.8.4.4", "8.8.8.8"}; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 74 | |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 75 | /** |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 76 | * Override enabling BPF offload configuration for tethering. |
| 77 | */ |
| 78 | public static final String OVERRIDE_TETHER_ENABLE_BPF_OFFLOAD = |
| 79 | "override_tether_enable_bpf_offload"; |
| 80 | |
| 81 | /** |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 82 | * Use the old dnsmasq DHCP server for tethering instead of the framework implementation. |
| 83 | */ |
| 84 | public static final String TETHER_ENABLE_LEGACY_DHCP_SERVER = |
| 85 | "tether_enable_legacy_dhcp_server"; |
| 86 | |
junyulai | aea13ae | 2020-04-30 15:21:55 +0800 | [diff] [blame] | 87 | /** |
| 88 | * Default value that used to periodic polls tether offload stats from tethering offload HAL |
| 89 | * to make the data warnings work. |
| 90 | */ |
| 91 | public static final int DEFAULT_TETHER_OFFLOAD_POLL_INTERVAL_MS = 5000; |
| 92 | |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 93 | public final String[] tetherableUsbRegexs; |
| 94 | public final String[] tetherableWifiRegexs; |
Jimmy Chen | bcd86d0 | 2019-07-15 18:03:23 +0800 | [diff] [blame] | 95 | public final String[] tetherableWifiP2pRegexs; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 96 | public final String[] tetherableBluetoothRegexs; |
Milim Lee | 31ef4c0 | 2019-10-17 05:02:33 +0900 | [diff] [blame] | 97 | public final String[] tetherableNcmRegexs; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 98 | public final boolean isDunRequired; |
Erik Kline | 7230290 | 2018-06-14 17:36:40 +0900 | [diff] [blame] | 99 | public final boolean chooseUpstreamAutomatically; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 100 | public final Collection<Integer> preferredUpstreamIfaceTypes; |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 101 | public final String[] legacyDhcpRanges; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 102 | public final String[] defaultIPv4DNS; |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 103 | public final boolean enableLegacyDhcpServer; |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 104 | // TODO: Add to TetheringConfigurationParcel if required. |
| 105 | public final boolean enableBpfOffload; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 106 | |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 107 | public final String[] provisioningApp; |
| 108 | public final String provisioningAppNoUi; |
markchien | 3b51963 | 2018-09-07 16:19:12 +0800 | [diff] [blame] | 109 | public final int provisioningCheckPeriod; |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 110 | |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 111 | public final int activeDataSubId; |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 112 | |
junyulai | aea13ae | 2020-04-30 15:21:55 +0800 | [diff] [blame] | 113 | private final int mOffloadPollInterval; |
| 114 | |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 115 | public TetheringConfiguration(Context ctx, SharedLog log, int id) { |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 116 | final SharedLog configLog = log.forSubComponent("config"); |
| 117 | |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 118 | activeDataSubId = id; |
| 119 | Resources res = getResources(ctx, activeDataSubId); |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 120 | |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 121 | tetherableUsbRegexs = getResourceStringArray(res, R.array.config_tether_usb_regexs); |
Milim Lee | 31ef4c0 | 2019-10-17 05:02:33 +0900 | [diff] [blame] | 122 | tetherableNcmRegexs = getResourceStringArray(res, R.array.config_tether_ncm_regexs); |
Erik Kline | 9e22554 | 2017-06-08 17:48:48 +0900 | [diff] [blame] | 123 | // TODO: Evaluate deleting this altogether now that Wi-Fi always passes |
| 124 | // us an interface name. Careful consideration needs to be given to |
| 125 | // implications for Settings and for provisioning checks. |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 126 | tetherableWifiRegexs = getResourceStringArray(res, R.array.config_tether_wifi_regexs); |
| 127 | tetherableWifiP2pRegexs = getResourceStringArray( |
| 128 | res, R.array.config_tether_wifi_p2p_regexs); |
| 129 | tetherableBluetoothRegexs = getResourceStringArray( |
| 130 | res, R.array.config_tether_bluetooth_regexs); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 131 | |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 132 | isDunRequired = checkDunRequired(ctx); |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 133 | |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 134 | chooseUpstreamAutomatically = getResourceBoolean( |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 135 | res, R.bool.config_tether_upstream_automatic, false /** default value */); |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 136 | preferredUpstreamIfaceTypes = getUpstreamIfaceTypes(res, isDunRequired); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 137 | |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 138 | legacyDhcpRanges = getLegacyDhcpRanges(res); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 139 | defaultIPv4DNS = copy(DEFAULT_IPV4_DNS); |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 140 | enableBpfOffload = getEnableBpfOffload(res); |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 141 | enableLegacyDhcpServer = getEnableLegacyDhcpServer(res); |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 142 | |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 143 | provisioningApp = getResourceStringArray(res, R.array.config_mobile_hotspot_provision_app); |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 144 | provisioningAppNoUi = getProvisioningAppNoUi(res); |
markchien | 3b51963 | 2018-09-07 16:19:12 +0800 | [diff] [blame] | 145 | provisioningCheckPeriod = getResourceInteger(res, |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 146 | R.integer.config_mobile_hotspot_provision_check_period, |
markchien | 3b51963 | 2018-09-07 16:19:12 +0800 | [diff] [blame] | 147 | 0 /* No periodic re-check */); |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 148 | |
junyulai | aea13ae | 2020-04-30 15:21:55 +0800 | [diff] [blame] | 149 | mOffloadPollInterval = getResourceInteger(res, |
| 150 | R.integer.config_tether_offload_poll_interval, |
| 151 | DEFAULT_TETHER_OFFLOAD_POLL_INTERVAL_MS); |
| 152 | |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 153 | configLog.log(toString()); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 154 | } |
| 155 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 156 | /** Check whether input interface belong to usb.*/ |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 157 | public boolean isUsb(String iface) { |
| 158 | return matchesDownstreamRegexs(iface, tetherableUsbRegexs); |
| 159 | } |
| 160 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 161 | /** Check whether input interface belong to wifi.*/ |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 162 | public boolean isWifi(String iface) { |
| 163 | return matchesDownstreamRegexs(iface, tetherableWifiRegexs); |
| 164 | } |
| 165 | |
Jimmy Chen | bcd86d0 | 2019-07-15 18:03:23 +0800 | [diff] [blame] | 166 | /** Check whether this interface is Wifi P2P interface. */ |
| 167 | public boolean isWifiP2p(String iface) { |
| 168 | return matchesDownstreamRegexs(iface, tetherableWifiP2pRegexs); |
| 169 | } |
| 170 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 171 | /** Check whether using legacy mode for wifi P2P. */ |
Jimmy Chen | bcd86d0 | 2019-07-15 18:03:23 +0800 | [diff] [blame] | 172 | public boolean isWifiP2pLegacyTetheringMode() { |
| 173 | return (tetherableWifiP2pRegexs == null || tetherableWifiP2pRegexs.length == 0); |
| 174 | } |
| 175 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 176 | /** Check whether input interface belong to bluetooth.*/ |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 177 | public boolean isBluetooth(String iface) { |
| 178 | return matchesDownstreamRegexs(iface, tetherableBluetoothRegexs); |
| 179 | } |
| 180 | |
Milim Lee | 31ef4c0 | 2019-10-17 05:02:33 +0900 | [diff] [blame] | 181 | /** Check if interface is ncm */ |
| 182 | public boolean isNcm(String iface) { |
| 183 | return matchesDownstreamRegexs(iface, tetherableNcmRegexs); |
| 184 | } |
| 185 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 186 | /** Check whether no ui entitlement application is available.*/ |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 187 | public boolean hasMobileHotspotProvisionApp() { |
| 188 | return !TextUtils.isEmpty(provisioningAppNoUi); |
| 189 | } |
| 190 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 191 | /** Does the dumping.*/ |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 192 | public void dump(PrintWriter pw) { |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 193 | pw.print("activeDataSubId: "); |
| 194 | pw.println(activeDataSubId); |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 195 | |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 196 | dumpStringArray(pw, "tetherableUsbRegexs", tetherableUsbRegexs); |
| 197 | dumpStringArray(pw, "tetherableWifiRegexs", tetherableWifiRegexs); |
Jimmy Chen | bcd86d0 | 2019-07-15 18:03:23 +0800 | [diff] [blame] | 198 | dumpStringArray(pw, "tetherableWifiP2pRegexs", tetherableWifiP2pRegexs); |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 199 | dumpStringArray(pw, "tetherableBluetoothRegexs", tetherableBluetoothRegexs); |
Milim Lee | 31ef4c0 | 2019-10-17 05:02:33 +0900 | [diff] [blame] | 200 | dumpStringArray(pw, "tetherableNcmRegexs", tetherableNcmRegexs); |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 201 | |
| 202 | pw.print("isDunRequired: "); |
| 203 | pw.println(isDunRequired); |
| 204 | |
Erik Kline | 7230290 | 2018-06-14 17:36:40 +0900 | [diff] [blame] | 205 | pw.print("chooseUpstreamAutomatically: "); |
| 206 | pw.println(chooseUpstreamAutomatically); |
markchien | 87d3f7d | 2020-01-08 20:58:23 +0800 | [diff] [blame] | 207 | pw.print("legacyPreredUpstreamIfaceTypes: "); |
| 208 | pw.println(Arrays.toString(toIntArray(preferredUpstreamIfaceTypes))); |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 209 | |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 210 | dumpStringArray(pw, "legacyDhcpRanges", legacyDhcpRanges); |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 211 | dumpStringArray(pw, "defaultIPv4DNS", defaultIPv4DNS); |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 212 | |
junyulai | aea13ae | 2020-04-30 15:21:55 +0800 | [diff] [blame] | 213 | pw.print("offloadPollInterval: "); |
| 214 | pw.println(mOffloadPollInterval); |
| 215 | |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 216 | dumpStringArray(pw, "provisioningApp", provisioningApp); |
| 217 | pw.print("provisioningAppNoUi: "); |
| 218 | pw.println(provisioningAppNoUi); |
Remi NGUYEN VAN | 9865cc1 | 2018-08-30 16:49:52 +0900 | [diff] [blame] | 219 | |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 220 | pw.print("enableBpfOffload: "); |
| 221 | pw.println(enableBpfOffload); |
| 222 | |
Remi NGUYEN VAN | 9865cc1 | 2018-08-30 16:49:52 +0900 | [diff] [blame] | 223 | pw.print("enableLegacyDhcpServer: "); |
| 224 | pw.println(enableLegacyDhcpServer); |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 225 | } |
| 226 | |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 227 | /** Returns the string representation of this object.*/ |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 228 | public String toString() { |
| 229 | final StringJoiner sj = new StringJoiner(" "); |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 230 | sj.add(String.format("activeDataSubId:%d", activeDataSubId)); |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 231 | sj.add(String.format("tetherableUsbRegexs:%s", makeString(tetherableUsbRegexs))); |
| 232 | sj.add(String.format("tetherableWifiRegexs:%s", makeString(tetherableWifiRegexs))); |
Jimmy Chen | bcd86d0 | 2019-07-15 18:03:23 +0800 | [diff] [blame] | 233 | sj.add(String.format("tetherableWifiP2pRegexs:%s", makeString(tetherableWifiP2pRegexs))); |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 234 | sj.add(String.format("tetherableBluetoothRegexs:%s", |
| 235 | makeString(tetherableBluetoothRegexs))); |
| 236 | sj.add(String.format("isDunRequired:%s", isDunRequired)); |
Erik Kline | 7230290 | 2018-06-14 17:36:40 +0900 | [diff] [blame] | 237 | sj.add(String.format("chooseUpstreamAutomatically:%s", chooseUpstreamAutomatically)); |
junyulai | aea13ae | 2020-04-30 15:21:55 +0800 | [diff] [blame] | 238 | sj.add(String.format("offloadPollInterval:%d", mOffloadPollInterval)); |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 239 | sj.add(String.format("preferredUpstreamIfaceTypes:%s", |
markchien | 87d3f7d | 2020-01-08 20:58:23 +0800 | [diff] [blame] | 240 | toIntArray(preferredUpstreamIfaceTypes))); |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 241 | sj.add(String.format("provisioningApp:%s", makeString(provisioningApp))); |
| 242 | sj.add(String.format("provisioningAppNoUi:%s", provisioningAppNoUi)); |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 243 | sj.add(String.format("enableBpfOffload:%s", enableBpfOffload)); |
Remi NGUYEN VAN | 9865cc1 | 2018-08-30 16:49:52 +0900 | [diff] [blame] | 244 | sj.add(String.format("enableLegacyDhcpServer:%s", enableLegacyDhcpServer)); |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 245 | return String.format("TetheringConfiguration{%s}", sj.toString()); |
| 246 | } |
| 247 | |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 248 | private static void dumpStringArray(PrintWriter pw, String label, String[] values) { |
| 249 | pw.print(label); |
| 250 | pw.print(": "); |
| 251 | |
| 252 | if (values != null) { |
| 253 | final StringJoiner sj = new StringJoiner(", ", "[", "]"); |
markchien | a6ba54d | 2019-09-03 15:58:06 +0800 | [diff] [blame] | 254 | for (String value : values) sj.add(value); |
Erik Kline | 9db1b54 | 2017-03-16 14:10:27 +0900 | [diff] [blame] | 255 | pw.print(sj.toString()); |
| 256 | } else { |
| 257 | pw.print("null"); |
| 258 | } |
| 259 | |
| 260 | pw.println(); |
| 261 | } |
| 262 | |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 263 | private static String makeString(String[] strings) { |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 264 | if (strings == null) return "null"; |
Erik Kline | 6bd7453 | 2017-05-19 10:10:41 +0900 | [diff] [blame] | 265 | final StringJoiner sj = new StringJoiner(",", "[", "]"); |
| 266 | for (String s : strings) sj.add(s); |
| 267 | return sj.toString(); |
| 268 | } |
| 269 | |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 270 | /** Check whether dun is required. */ |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 271 | public static boolean checkDunRequired(Context ctx) { |
Erik Kline | 54f2f37 | 2017-05-15 21:11:47 +0900 | [diff] [blame] | 272 | final TelephonyManager tm = (TelephonyManager) ctx.getSystemService(TELEPHONY_SERVICE); |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 273 | // TelephonyManager would uses the active data subscription, which should be the one used |
| 274 | // by tethering. |
| 275 | return (tm != null) ? tm.isTetheringApnRequired() : false; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 276 | } |
| 277 | |
junyulai | aea13ae | 2020-04-30 15:21:55 +0800 | [diff] [blame] | 278 | public int getOffloadPollInterval() { |
| 279 | return mOffloadPollInterval; |
| 280 | } |
| 281 | |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 282 | private static Collection<Integer> getUpstreamIfaceTypes(Resources res, boolean dunRequired) { |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 283 | final int[] ifaceTypes = res.getIntArray(R.array.config_tether_upstream_types); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 284 | final ArrayList<Integer> upstreamIfaceTypes = new ArrayList<>(ifaceTypes.length); |
| 285 | for (int i : ifaceTypes) { |
| 286 | switch (i) { |
| 287 | case TYPE_MOBILE: |
| 288 | case TYPE_MOBILE_HIPRI: |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 289 | if (dunRequired) continue; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 290 | break; |
| 291 | case TYPE_MOBILE_DUN: |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 292 | if (!dunRequired) continue; |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 293 | break; |
| 294 | } |
| 295 | upstreamIfaceTypes.add(i); |
| 296 | } |
| 297 | |
| 298 | // Fix up upstream interface types for DUN or mobile. NOTE: independent |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 299 | // of the value of |dunRequired|, cell data of one form or another is |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 300 | // *always* an upstream, regardless of the upstream interface types |
| 301 | // specified by configuration resources. |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 302 | if (dunRequired) { |
Erik Kline | 1e54351 | 2017-03-09 11:44:11 +0900 | [diff] [blame] | 303 | appendIfNotPresent(upstreamIfaceTypes, TYPE_MOBILE_DUN); |
Jayachandran C | 5805982 | 2017-05-17 23:53:59 -0700 | [diff] [blame] | 304 | } else { |
Jayachandran C | 5805982 | 2017-05-17 23:53:59 -0700 | [diff] [blame] | 305 | // Do not modify if a cellular interface type is already present in the |
| 306 | // upstream interface types. Add TYPE_MOBILE and TYPE_MOBILE_HIPRI if no |
| 307 | // cellular interface types are found in the upstream interface types. |
markchien | db3a236 | 2018-10-05 12:36:08 +0800 | [diff] [blame] | 308 | // This preserves backwards compatibility and prevents the DUN and default |
| 309 | // mobile types incorrectly appearing together, which could happen on |
| 310 | // previous releases in the common case where checkDunRequired returned |
| 311 | // DUN_UNSPECIFIED. |
| 312 | if (!containsOneOf(upstreamIfaceTypes, TYPE_MOBILE, TYPE_MOBILE_HIPRI)) { |
Jayachandran C | 5805982 | 2017-05-17 23:53:59 -0700 | [diff] [blame] | 313 | upstreamIfaceTypes.add(TYPE_MOBILE); |
| 314 | upstreamIfaceTypes.add(TYPE_MOBILE_HIPRI); |
| 315 | } |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 316 | } |
| 317 | |
Erik Kline | 1e54351 | 2017-03-09 11:44:11 +0900 | [diff] [blame] | 318 | // Always make sure our good friend Ethernet is present. |
| 319 | // TODO: consider unilaterally forcing this at the front. |
| 320 | prependIfNotPresent(upstreamIfaceTypes, TYPE_ETHERNET); |
| 321 | |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 322 | return upstreamIfaceTypes; |
| 323 | } |
| 324 | |
| 325 | private static boolean matchesDownstreamRegexs(String iface, String[] regexs) { |
| 326 | for (String regex : regexs) { |
| 327 | if (iface.matches(regex)) return true; |
| 328 | } |
| 329 | return false; |
| 330 | } |
| 331 | |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 332 | private static String[] getLegacyDhcpRanges(Resources res) { |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 333 | final String[] fromResource = getResourceStringArray(res, R.array.config_tether_dhcp_range); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 334 | if ((fromResource.length > 0) && (fromResource.length % 2 == 0)) { |
| 335 | return fromResource; |
| 336 | } |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 337 | return copy(LEGACY_DHCP_DEFAULT_RANGE); |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 338 | } |
| 339 | |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 340 | private static String getProvisioningAppNoUi(Resources res) { |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 341 | try { |
markchien | da4519a | 2020-01-14 12:46:53 +0800 | [diff] [blame] | 342 | return res.getString(R.string.config_mobile_hotspot_provision_app_no_ui); |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 343 | } catch (Resources.NotFoundException e) { |
| 344 | return ""; |
| 345 | } |
| 346 | } |
| 347 | |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 348 | private static boolean getResourceBoolean(Resources res, int resId, boolean defaultValue) { |
Erik Kline | 7230290 | 2018-06-14 17:36:40 +0900 | [diff] [blame] | 349 | try { |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 350 | return res.getBoolean(resId); |
Erik Kline | 7230290 | 2018-06-14 17:36:40 +0900 | [diff] [blame] | 351 | } catch (Resources.NotFoundException e404) { |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 352 | return defaultValue; |
Erik Kline | 7230290 | 2018-06-14 17:36:40 +0900 | [diff] [blame] | 353 | } |
| 354 | } |
| 355 | |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 356 | private static String[] getResourceStringArray(Resources res, int resId) { |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 357 | try { |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 358 | final String[] strArray = res.getStringArray(resId); |
Erik Kline | e0f3403 | 2018-02-28 15:01:35 +0900 | [diff] [blame] | 359 | return (strArray != null) ? strArray : EMPTY_STRING_ARRAY; |
| 360 | } catch (Resources.NotFoundException e404) { |
| 361 | return EMPTY_STRING_ARRAY; |
| 362 | } |
| 363 | } |
| 364 | |
markchien | 3b51963 | 2018-09-07 16:19:12 +0800 | [diff] [blame] | 365 | private static int getResourceInteger(Resources res, int resId, int defaultValue) { |
| 366 | try { |
| 367 | return res.getInteger(resId); |
| 368 | } catch (Resources.NotFoundException e404) { |
| 369 | return defaultValue; |
| 370 | } |
| 371 | } |
| 372 | |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 373 | private boolean getEnableBpfOffload(final Resources res) { |
| 374 | // Get BPF offload config |
| 375 | // Priority 1: Device config |
| 376 | // Priority 2: Resource config |
| 377 | // Priority 3: Default value |
| 378 | final boolean resourceValue = getResourceBoolean( |
| 379 | res, R.bool.config_tether_enable_bpf_offload, true /** default value */); |
| 380 | |
| 381 | // Due to the limitation of static mock for testing, using #getProperty directly instead |
| 382 | // of getDeviceConfigBoolean. getDeviceConfigBoolean is not invoked because it uses |
| 383 | // #getBoolean to get the boolean device config. The test can't know that the returned |
| 384 | // boolean value comes from device config or default value (because of null property |
| 385 | // string). Because the test would like to verify null property boolean string case, |
| 386 | // use DeviceConfig.getProperty here. See also the test case testBpfOffload{*} in |
| 387 | // TetheringConfigurationTest.java. |
| 388 | final String value = DeviceConfig.getProperty( |
| 389 | NAMESPACE_CONNECTIVITY, OVERRIDE_TETHER_ENABLE_BPF_OFFLOAD); |
| 390 | return (value != null) ? Boolean.parseBoolean(value) : resourceValue; |
| 391 | } |
| 392 | |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 393 | private boolean getEnableLegacyDhcpServer(final Resources res) { |
Nucca Chen | 95e0bac | 2020-05-12 11:34:28 +0000 | [diff] [blame] | 394 | return getResourceBoolean( |
| 395 | res, R.bool.config_tether_enable_legacy_dhcp_server, false /** default value */) |
markchien | 2dfee02 | 2020-01-13 16:09:42 +0800 | [diff] [blame] | 396 | || getDeviceConfigBoolean(TETHER_ENABLE_LEGACY_DHCP_SERVER); |
| 397 | } |
| 398 | |
| 399 | @VisibleForTesting |
| 400 | protected boolean getDeviceConfigBoolean(final String name) { |
| 401 | return DeviceConfig.getBoolean(NAMESPACE_CONNECTIVITY, name, false /** defaultValue */); |
Remi NGUYEN VAN | e3bb5c5 | 2018-06-12 15:57:04 +0900 | [diff] [blame] | 402 | } |
| 403 | |
markchien | 0b59507 | 2019-01-08 23:52:21 +0800 | [diff] [blame] | 404 | private Resources getResources(Context ctx, int subId) { |
| 405 | if (subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| 406 | return getResourcesForSubIdWrapper(ctx, subId); |
| 407 | } else { |
| 408 | return ctx.getResources(); |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | @VisibleForTesting |
| 413 | protected Resources getResourcesForSubIdWrapper(Context ctx, int subId) { |
| 414 | return SubscriptionManager.getResourcesForSubId(ctx, subId); |
| 415 | } |
| 416 | |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 417 | private static String[] copy(String[] strarray) { |
| 418 | return Arrays.copyOf(strarray, strarray.length); |
| 419 | } |
Erik Kline | 1e54351 | 2017-03-09 11:44:11 +0900 | [diff] [blame] | 420 | |
| 421 | private static void prependIfNotPresent(ArrayList<Integer> list, int value) { |
| 422 | if (list.contains(value)) return; |
| 423 | list.add(0, value); |
| 424 | } |
| 425 | |
| 426 | private static void appendIfNotPresent(ArrayList<Integer> list, int value) { |
| 427 | if (list.contains(value)) return; |
| 428 | list.add(value); |
| 429 | } |
| 430 | |
| 431 | private static boolean containsOneOf(ArrayList<Integer> list, Integer... values) { |
| 432 | for (Integer value : values) { |
| 433 | if (list.contains(value)) return true; |
| 434 | } |
| 435 | return false; |
| 436 | } |
markchien | 0df2ebc4 | 2019-09-30 14:40:57 +0800 | [diff] [blame] | 437 | |
markchien | 87d3f7d | 2020-01-08 20:58:23 +0800 | [diff] [blame] | 438 | private static int[] toIntArray(Collection<Integer> values) { |
| 439 | final int[] result = new int[values.size()]; |
| 440 | int index = 0; |
| 441 | for (Integer value : values) { |
| 442 | result[index++] = value; |
| 443 | } |
| 444 | return result; |
| 445 | } |
| 446 | |
markchien | 0df2ebc4 | 2019-09-30 14:40:57 +0800 | [diff] [blame] | 447 | /** |
| 448 | * Convert this TetheringConfiguration to a TetheringConfigurationParcel. |
| 449 | */ |
| 450 | public TetheringConfigurationParcel toStableParcelable() { |
| 451 | final TetheringConfigurationParcel parcel = new TetheringConfigurationParcel(); |
markchien | 986750b | 2019-12-06 15:24:53 +0800 | [diff] [blame] | 452 | parcel.subId = activeDataSubId; |
markchien | 0df2ebc4 | 2019-09-30 14:40:57 +0800 | [diff] [blame] | 453 | parcel.tetherableUsbRegexs = tetherableUsbRegexs; |
| 454 | parcel.tetherableWifiRegexs = tetherableWifiRegexs; |
| 455 | parcel.tetherableBluetoothRegexs = tetherableBluetoothRegexs; |
| 456 | parcel.isDunRequired = isDunRequired; |
| 457 | parcel.chooseUpstreamAutomatically = chooseUpstreamAutomatically; |
| 458 | |
markchien | 87d3f7d | 2020-01-08 20:58:23 +0800 | [diff] [blame] | 459 | parcel.preferredUpstreamIfaceTypes = toIntArray(preferredUpstreamIfaceTypes); |
markchien | 0df2ebc4 | 2019-09-30 14:40:57 +0800 | [diff] [blame] | 460 | |
| 461 | parcel.legacyDhcpRanges = legacyDhcpRanges; |
| 462 | parcel.defaultIPv4DNS = defaultIPv4DNS; |
| 463 | parcel.enableLegacyDhcpServer = enableLegacyDhcpServer; |
| 464 | parcel.provisioningApp = provisioningApp; |
| 465 | parcel.provisioningAppNoUi = provisioningAppNoUi; |
| 466 | parcel.provisioningCheckPeriod = provisioningCheckPeriod; |
| 467 | return parcel; |
| 468 | } |
Erik Kline | 79868f8 | 2017-01-21 14:33:56 +0900 | [diff] [blame] | 469 | } |