Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 | package com.android.server.adb; |
| 17 | |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 18 | import android.content.ContentResolver; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 19 | import android.content.Context; |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 20 | import android.database.ContentObserver; |
Kenny Root | dc14eb7 | 2018-10-18 10:15:22 +0900 | [diff] [blame] | 21 | import android.debug.AdbManagerInternal; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 22 | import android.debug.IAdbManager; |
Kenny Root | 61fd360 | 2018-01-19 09:01:46 -0500 | [diff] [blame] | 23 | import android.debug.IAdbTransport; |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 24 | import android.hardware.usb.UsbManager; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 25 | import android.os.Binder; |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 26 | import android.os.Handler; |
Kenny Root | 61fd360 | 2018-01-19 09:01:46 -0500 | [diff] [blame] | 27 | import android.os.IBinder; |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 28 | import android.os.Looper; |
| 29 | import android.os.Message; |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 30 | import android.os.RemoteException; |
| 31 | import android.os.SystemProperties; |
| 32 | import android.provider.Settings; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 33 | import android.service.adb.AdbServiceDumpProto; |
Kiyoung Kim | d8849f0 | 2018-12-27 17:17:46 +0900 | [diff] [blame] | 34 | import android.sysprop.AdbProperties; |
Kenny Root | 61fd360 | 2018-01-19 09:01:46 -0500 | [diff] [blame] | 35 | import android.util.ArrayMap; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 36 | import android.util.ArraySet; |
Kenny Root | 8ebd8bf | 2018-01-22 06:28:25 -0500 | [diff] [blame] | 37 | import android.util.Slog; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 38 | import android.util.proto.ProtoOutputStream; |
| 39 | |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 40 | |
| 41 | import com.android.internal.util.DumpUtils; |
| 42 | import com.android.internal.util.IndentingPrintWriter; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 43 | import com.android.internal.util.dump.DualDumpOutputStream; |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 44 | import com.android.server.FgThread; |
Kenny Root | dc14eb7 | 2018-10-18 10:15:22 +0900 | [diff] [blame] | 45 | import com.android.server.LocalServices; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 46 | import com.android.server.SystemService; |
| 47 | |
William Hester | 99a7d63 | 2019-02-06 17:36:37 -0800 | [diff] [blame^] | 48 | import java.io.File; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 49 | import java.io.FileDescriptor; |
| 50 | import java.io.PrintWriter; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 51 | import java.util.Collections; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 52 | |
| 53 | /** |
| 54 | * The Android Debug Bridge (ADB) service. This controls the availability of ADB and authorization |
| 55 | * of devices allowed to connect to ADB. |
| 56 | */ |
| 57 | public class AdbService extends IAdbManager.Stub { |
| 58 | /** |
| 59 | * Manages the service lifecycle for {@code AdbService} in {@code SystemServer}. |
| 60 | */ |
| 61 | public static class Lifecycle extends SystemService { |
| 62 | private AdbService mAdbService; |
| 63 | |
| 64 | public Lifecycle(Context context) { |
| 65 | super(context); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public void onStart() { |
| 70 | mAdbService = new AdbService(getContext()); |
| 71 | publishBinderService(Context.ADB_SERVICE, mAdbService); |
| 72 | } |
Kenny Root | 8ebd8bf | 2018-01-22 06:28:25 -0500 | [diff] [blame] | 73 | |
| 74 | @Override |
| 75 | public void onBootPhase(int phase) { |
| 76 | if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) { |
| 77 | mAdbService.systemReady(); |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 78 | } else if (phase == SystemService.PHASE_BOOT_COMPLETED) { |
| 79 | mAdbService.bootCompleted(); |
Kenny Root | 8ebd8bf | 2018-01-22 06:28:25 -0500 | [diff] [blame] | 80 | } |
| 81 | } |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 82 | } |
| 83 | |
Kenny Root | dc14eb7 | 2018-10-18 10:15:22 +0900 | [diff] [blame] | 84 | private class AdbManagerInternalImpl extends AdbManagerInternal { |
Kenny Root | 61fd360 | 2018-01-19 09:01:46 -0500 | [diff] [blame] | 85 | @Override |
| 86 | public void registerTransport(IAdbTransport transport) { |
| 87 | mTransports.put(transport.asBinder(), transport); |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | public void unregisterTransport(IAdbTransport transport) { |
| 92 | mTransports.remove(transport.asBinder()); |
| 93 | } |
Kenny Root | a269b33 | 2018-01-19 13:24:01 -0500 | [diff] [blame] | 94 | |
| 95 | @Override |
| 96 | public boolean isAdbEnabled() { |
| 97 | return mAdbEnabled; |
| 98 | } |
William Hester | 99a7d63 | 2019-02-06 17:36:37 -0800 | [diff] [blame^] | 99 | |
| 100 | @Override |
| 101 | public File getAdbKeysFile() { |
| 102 | return mDebuggingManager.getUserKeyFile(); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public File getAdbTempKeysFile() { |
| 107 | return mDebuggingManager.getAdbTempKeysFile(); |
| 108 | } |
Kenny Root | dc14eb7 | 2018-10-18 10:15:22 +0900 | [diff] [blame] | 109 | } |
| 110 | |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 111 | private final class AdbHandler extends Handler { |
| 112 | AdbHandler(Looper looper) { |
| 113 | super(looper); |
| 114 | try { |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 115 | /* |
| 116 | * Use the normal bootmode persistent prop to maintain state of adb across |
| 117 | * all boot modes. |
| 118 | */ |
| 119 | mAdbEnabled = containsFunction( |
| 120 | SystemProperties.get(USB_PERSISTENT_CONFIG_PROPERTY, ""), |
| 121 | UsbManager.USB_FUNCTION_ADB); |
| 122 | |
| 123 | // register observer to listen for settings changes |
| 124 | mContentResolver.registerContentObserver( |
| 125 | Settings.Global.getUriFor(Settings.Global.ADB_ENABLED), |
| 126 | false, new AdbSettingsObserver()); |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 127 | } catch (Exception e) { |
| 128 | Slog.e(TAG, "Error initializing AdbHandler", e); |
| 129 | } |
| 130 | } |
| 131 | |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 132 | private boolean containsFunction(String functions, String function) { |
| 133 | int index = functions.indexOf(function); |
| 134 | if (index < 0) return false; |
| 135 | if (index > 0 && functions.charAt(index - 1) != ',') return false; |
| 136 | int charAfter = index + function.length(); |
| 137 | if (charAfter < functions.length() && functions.charAt(charAfter) != ',') return false; |
| 138 | return true; |
| 139 | } |
| 140 | |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 141 | public void sendMessage(int what, boolean arg) { |
| 142 | removeMessages(what); |
| 143 | Message m = Message.obtain(this, what); |
| 144 | m.arg1 = (arg ? 1 : 0); |
| 145 | sendMessage(m); |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public void handleMessage(Message msg) { |
| 150 | switch (msg.what) { |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 151 | case MSG_ENABLE_ADB: |
| 152 | setAdbEnabled(msg.arg1 == 1); |
| 153 | break; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 154 | case MSG_BOOT_COMPLETED: |
| 155 | if (mDebuggingManager != null) { |
| 156 | mDebuggingManager.setAdbEnabled(mAdbEnabled); |
| 157 | } |
| 158 | break; |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 163 | private class AdbSettingsObserver extends ContentObserver { |
| 164 | AdbSettingsObserver() { |
| 165 | super(null); |
| 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public void onChange(boolean selfChange) { |
| 170 | boolean enable = (Settings.Global.getInt(mContentResolver, |
| 171 | Settings.Global.ADB_ENABLED, 0) > 0); |
| 172 | mHandler.sendMessage(MSG_ENABLE_ADB, enable); |
| 173 | } |
| 174 | } |
| 175 | |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 176 | private static final String TAG = "AdbService"; |
Kenny Root | 8ebd8bf | 2018-01-22 06:28:25 -0500 | [diff] [blame] | 177 | private static final boolean DEBUG = false; |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 178 | |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 179 | private static final int MSG_ENABLE_ADB = 1; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 180 | private static final int MSG_BOOT_COMPLETED = 2; |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 181 | |
| 182 | /** |
| 183 | * The persistent property which stores whether adb is enabled or not. |
| 184 | * May also contain vendor-specific default functions for testing purposes. |
| 185 | */ |
| 186 | private static final String USB_PERSISTENT_CONFIG_PROPERTY = "persist.sys.usb.config"; |
| 187 | |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 188 | private final Context mContext; |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 189 | private final ContentResolver mContentResolver; |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 190 | private final AdbService.AdbHandler mHandler; |
Kenny Root | 61fd360 | 2018-01-19 09:01:46 -0500 | [diff] [blame] | 191 | private final ArrayMap<IBinder, IAdbTransport> mTransports = new ArrayMap<>(); |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 192 | |
Kenny Root | a269b33 | 2018-01-19 13:24:01 -0500 | [diff] [blame] | 193 | private boolean mAdbEnabled; |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 194 | private AdbDebuggingManager mDebuggingManager; |
Kenny Root | a269b33 | 2018-01-19 13:24:01 -0500 | [diff] [blame] | 195 | |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 196 | private AdbService(Context context) { |
| 197 | mContext = context; |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 198 | mContentResolver = context.getContentResolver(); |
Kenny Root | dc14eb7 | 2018-10-18 10:15:22 +0900 | [diff] [blame] | 199 | |
Kiyoung Kim | d8849f0 | 2018-12-27 17:17:46 +0900 | [diff] [blame] | 200 | boolean secureAdbEnabled = AdbProperties.secure().orElse(false); |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 201 | boolean dataEncrypted = "1".equals(SystemProperties.get("vold.decrypt")); |
| 202 | if (secureAdbEnabled && !dataEncrypted) { |
| 203 | mDebuggingManager = new AdbDebuggingManager(context); |
| 204 | } |
| 205 | |
Kenny Root | c96dba7 | 2018-01-22 06:31:03 -0500 | [diff] [blame] | 206 | mHandler = new AdbHandler(FgThread.get().getLooper()); |
| 207 | |
Kenny Root | dc14eb7 | 2018-10-18 10:15:22 +0900 | [diff] [blame] | 208 | LocalServices.addService(AdbManagerInternal.class, new AdbManagerInternalImpl()); |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 209 | } |
| 210 | |
Kenny Root | 8ebd8bf | 2018-01-22 06:28:25 -0500 | [diff] [blame] | 211 | /** |
| 212 | * Called in response to {@code SystemService.PHASE_ACTIVITY_MANAGER_READY} from {@code |
| 213 | * SystemServer}. |
| 214 | */ |
| 215 | public void systemReady() { |
| 216 | if (DEBUG) Slog.d(TAG, "systemReady"); |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 217 | |
| 218 | // make sure the ADB_ENABLED setting value matches the current state |
| 219 | try { |
| 220 | Settings.Global.putInt(mContentResolver, |
| 221 | Settings.Global.ADB_ENABLED, mAdbEnabled ? 1 : 0); |
| 222 | } catch (SecurityException e) { |
| 223 | // If UserManager.DISALLOW_DEBUGGING_FEATURES is on, that this setting can't be changed. |
| 224 | Slog.d(TAG, "ADB_ENABLED is restricted."); |
| 225 | } |
| 226 | } |
| 227 | |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 228 | /** |
| 229 | * Callend in response to {@code SystemService.PHASE_BOOT_COMPLETED} from {@code SystemServer}. |
| 230 | */ |
| 231 | public void bootCompleted() { |
| 232 | if (DEBUG) Slog.d(TAG, "boot completed"); |
| 233 | mHandler.sendEmptyMessage(MSG_BOOT_COMPLETED); |
| 234 | } |
| 235 | |
| 236 | @Override |
| 237 | public void allowDebugging(boolean alwaysAllow, String publicKey) { |
| 238 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEBUGGING, null); |
| 239 | if (mDebuggingManager != null) { |
| 240 | mDebuggingManager.allowDebugging(alwaysAllow, publicKey); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | @Override |
| 245 | public void denyDebugging() { |
| 246 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEBUGGING, null); |
| 247 | if (mDebuggingManager != null) { |
| 248 | mDebuggingManager.denyDebugging(); |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | @Override |
| 253 | public void clearDebuggingKeys() { |
| 254 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEBUGGING, null); |
| 255 | if (mDebuggingManager != null) { |
| 256 | mDebuggingManager.clearDebuggingKeys(); |
| 257 | } else { |
| 258 | throw new RuntimeException("Cannot clear ADB debugging keys, " |
| 259 | + "AdbDebuggingManager not enabled"); |
| 260 | } |
| 261 | } |
| 262 | |
Kenny Root | 4731218 | 2018-01-22 08:44:44 -0500 | [diff] [blame] | 263 | private void setAdbEnabled(boolean enable) { |
| 264 | if (DEBUG) Slog.d(TAG, "setAdbEnabled(" + enable + "), mAdbEnabled=" + mAdbEnabled); |
| 265 | |
| 266 | if (enable == mAdbEnabled) { |
| 267 | return; |
| 268 | } |
| 269 | mAdbEnabled = enable; |
| 270 | |
| 271 | for (IAdbTransport transport : mTransports.values()) { |
| 272 | try { |
| 273 | transport.onAdbEnabled(enable); |
| 274 | } catch (RemoteException e) { |
| 275 | Slog.w(TAG, "Unable to send onAdbEnabled to transport " + transport.toString()); |
| 276 | } |
| 277 | } |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 278 | |
| 279 | if (mDebuggingManager != null) { |
| 280 | mDebuggingManager.setAdbEnabled(enable); |
| 281 | } |
Kenny Root | 8ebd8bf | 2018-01-22 06:28:25 -0500 | [diff] [blame] | 282 | } |
| 283 | |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 284 | @Override |
| 285 | public void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
| 286 | if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return; |
| 287 | |
| 288 | final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); |
| 289 | final long ident = Binder.clearCallingIdentity(); |
| 290 | try { |
Kenny Root | a5964c0 | 2018-01-23 20:08:39 +0900 | [diff] [blame] | 291 | ArraySet<String> argsSet = new ArraySet<>(); |
| 292 | Collections.addAll(argsSet, args); |
| 293 | |
| 294 | boolean dumpAsProto = false; |
| 295 | if (argsSet.contains("--proto")) { |
| 296 | dumpAsProto = true; |
| 297 | } |
| 298 | |
| 299 | if (argsSet.size() == 0 || argsSet.contains("-a") || dumpAsProto) { |
| 300 | DualDumpOutputStream dump; |
| 301 | if (dumpAsProto) { |
| 302 | dump = new DualDumpOutputStream(new ProtoOutputStream(fd)); |
| 303 | } else { |
| 304 | pw.println("ADB MANAGER STATE (dumpsys adb):"); |
| 305 | |
| 306 | dump = new DualDumpOutputStream(new IndentingPrintWriter(pw, " ")); |
| 307 | } |
| 308 | |
| 309 | if (mDebuggingManager != null) { |
| 310 | mDebuggingManager.dump(dump, "debugging_manager", |
| 311 | AdbServiceDumpProto.DEBUGGING_MANAGER); |
| 312 | } |
| 313 | |
| 314 | dump.flush(); |
Kenny Root | f74bfde | 2018-01-18 15:42:48 -0800 | [diff] [blame] | 315 | } else { |
| 316 | pw.println("Dump current ADB state"); |
| 317 | pw.println(" No commands available"); |
| 318 | } |
| 319 | } finally { |
| 320 | Binder.restoreCallingIdentity(ident); |
| 321 | } |
| 322 | } |
| 323 | } |