Installer.java revision 1566233bfdb994cd41d21ffb2615af8d0e29166f
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 17package com.android.server.pm; 18 19import android.annotation.Nullable; 20import android.content.Context; 21import android.content.pm.PackageStats; 22import android.os.Build; 23import android.os.IBinder; 24import android.os.IBinder.DeathRecipient; 25import android.os.IInstalld; 26import android.os.RemoteException; 27import android.os.ServiceManager; 28import android.text.format.DateUtils; 29import android.util.Slog; 30 31import com.android.internal.os.BackgroundThread; 32import com.android.server.SystemService; 33 34import dalvik.system.VMRuntime; 35 36public class Installer extends SystemService { 37 private static final String TAG = "Installer"; 38 39 /* *************************************************************************** 40 * IMPORTANT: These values are passed to native code. Keep them in sync with 41 * frameworks/native/cmds/installd/installd.h 42 * **************************************************************************/ 43 /** Application should be visible to everyone */ 44 public static final int DEXOPT_PUBLIC = 1 << 1; 45 /** Application wants to run in VM safe mode */ 46 public static final int DEXOPT_SAFEMODE = 1 << 2; 47 /** Application wants to allow debugging of its code */ 48 public static final int DEXOPT_DEBUGGABLE = 1 << 3; 49 /** The system boot has finished */ 50 public static final int DEXOPT_BOOTCOMPLETE = 1 << 4; 51 /** Hint that the dexopt type is profile-guided. */ 52 public static final int DEXOPT_PROFILE_GUIDED = 1 << 5; 53 /** The compilation is for a secondary dex file. */ 54 public static final int DEXOPT_SECONDARY_DEX = 1 << 6; 55 /** Ignore the result of dexoptNeeded and force compilation. */ 56 public static final int DEXOPT_FORCE = 1 << 7; 57 /** Indicates that the dex file passed to dexopt in on CE storage. */ 58 public static final int DEXOPT_STORAGE_CE = 1 << 8; 59 /** Indicates that the dex file passed to dexopt in on DE storage. */ 60 public static final int DEXOPT_STORAGE_DE = 1 << 9; 61 62 // NOTE: keep in sync with installd 63 public static final int FLAG_CLEAR_CACHE_ONLY = 1 << 8; 64 public static final int FLAG_CLEAR_CODE_CACHE_ONLY = 1 << 9; 65 public static final int FLAG_USE_QUOTA = 1 << 12; 66 public static final int FLAG_FREE_CACHE_V2 = 1 << 13; 67 public static final int FLAG_FREE_CACHE_V2_DEFY_QUOTA = 1 << 14; 68 public static final int FLAG_FREE_CACHE_NOOP = 1 << 15; 69 public static final int FLAG_FORCE = 1 << 16; 70 71 private final boolean mIsolated; 72 73 private volatile IInstalld mInstalld; 74 private volatile Object mWarnIfHeld; 75 76 public Installer(Context context) { 77 this(context, false); 78 } 79 80 /** 81 * @param isolated indicates if this object should <em>not</em> connect to 82 * the real {@code installd}. All remote calls will be ignored 83 * unless you extend this class and intercept them. 84 */ 85 public Installer(Context context, boolean isolated) { 86 super(context); 87 mIsolated = isolated; 88 } 89 90 /** 91 * Yell loudly if someone tries making future calls while holding a lock on 92 * the given object. 93 */ 94 public void setWarnIfHeld(Object warnIfHeld) { 95 mWarnIfHeld = warnIfHeld; 96 } 97 98 @Override 99 public void onStart() { 100 if (mIsolated) { 101 mInstalld = null; 102 } else { 103 connect(); 104 } 105 } 106 107 private void connect() { 108 IBinder binder = ServiceManager.getService("installd"); 109 if (binder != null) { 110 try { 111 binder.linkToDeath(new DeathRecipient() { 112 @Override 113 public void binderDied() { 114 Slog.w(TAG, "installd died; reconnecting"); 115 connect(); 116 } 117 }, 0); 118 } catch (RemoteException e) { 119 binder = null; 120 } 121 } 122 123 if (binder != null) { 124 mInstalld = IInstalld.Stub.asInterface(binder); 125 try { 126 invalidateMounts(); 127 } catch (InstallerException ignored) { 128 } 129 } else { 130 Slog.w(TAG, "installd not found; trying again"); 131 BackgroundThread.getHandler().postDelayed(() -> { 132 connect(); 133 }, DateUtils.SECOND_IN_MILLIS); 134 } 135 } 136 137 /** 138 * Do several pre-flight checks before making a remote call. 139 * 140 * @return if the remote call should continue. 141 */ 142 private boolean checkBeforeRemote() { 143 if (mWarnIfHeld != null && Thread.holdsLock(mWarnIfHeld)) { 144 Slog.wtf(TAG, "Calling thread " + Thread.currentThread().getName() + " is holding 0x" 145 + Integer.toHexString(System.identityHashCode(mWarnIfHeld)), new Throwable()); 146 } 147 if (mIsolated) { 148 Slog.i(TAG, "Ignoring request because this installer is isolated"); 149 return false; 150 } else { 151 return true; 152 } 153 } 154 155 public long createAppData(String uuid, String packageName, int userId, int flags, int appId, 156 String seInfo, int targetSdkVersion) throws InstallerException { 157 if (!checkBeforeRemote()) return -1; 158 try { 159 return mInstalld.createAppData(uuid, packageName, userId, flags, appId, seInfo, 160 targetSdkVersion); 161 } catch (Exception e) { 162 throw InstallerException.from(e); 163 } 164 } 165 166 public void restoreconAppData(String uuid, String packageName, int userId, int flags, int appId, 167 String seInfo) throws InstallerException { 168 if (!checkBeforeRemote()) return; 169 try { 170 mInstalld.restoreconAppData(uuid, packageName, userId, flags, appId, seInfo); 171 } catch (Exception e) { 172 throw InstallerException.from(e); 173 } 174 } 175 176 public void migrateAppData(String uuid, String packageName, int userId, int flags) 177 throws InstallerException { 178 if (!checkBeforeRemote()) return; 179 try { 180 mInstalld.migrateAppData(uuid, packageName, userId, flags); 181 } catch (Exception e) { 182 throw InstallerException.from(e); 183 } 184 } 185 186 public void clearAppData(String uuid, String packageName, int userId, int flags, 187 long ceDataInode) throws InstallerException { 188 if (!checkBeforeRemote()) return; 189 try { 190 mInstalld.clearAppData(uuid, packageName, userId, flags, ceDataInode); 191 } catch (Exception e) { 192 throw InstallerException.from(e); 193 } 194 } 195 196 public void destroyAppData(String uuid, String packageName, int userId, int flags, 197 long ceDataInode) throws InstallerException { 198 if (!checkBeforeRemote()) return; 199 try { 200 mInstalld.destroyAppData(uuid, packageName, userId, flags, ceDataInode); 201 } catch (Exception e) { 202 throw InstallerException.from(e); 203 } 204 } 205 206 public void fixupAppData(String uuid, int flags) throws InstallerException { 207 if (!checkBeforeRemote()) return; 208 try { 209 mInstalld.fixupAppData(uuid, flags); 210 } catch (Exception e) { 211 throw InstallerException.from(e); 212 } 213 } 214 215 public void moveCompleteApp(String fromUuid, String toUuid, String packageName, 216 String dataAppName, int appId, String seInfo, int targetSdkVersion) 217 throws InstallerException { 218 if (!checkBeforeRemote()) return; 219 try { 220 mInstalld.moveCompleteApp(fromUuid, toUuid, packageName, dataAppName, appId, seInfo, 221 targetSdkVersion); 222 } catch (Exception e) { 223 throw InstallerException.from(e); 224 } 225 } 226 227 public void getAppSize(String uuid, String[] packageNames, int userId, int flags, int appId, 228 long[] ceDataInodes, String[] codePaths, PackageStats stats) 229 throws InstallerException { 230 if (!checkBeforeRemote()) return; 231 try { 232 final long[] res = mInstalld.getAppSize(uuid, packageNames, userId, flags, 233 appId, ceDataInodes, codePaths); 234 stats.codeSize += res[0]; 235 stats.dataSize += res[1]; 236 stats.cacheSize += res[2]; 237 stats.externalCodeSize += res[3]; 238 stats.externalDataSize += res[4]; 239 stats.externalCacheSize += res[5]; 240 } catch (Exception e) { 241 throw InstallerException.from(e); 242 } 243 } 244 245 public void getUserSize(String uuid, int userId, int flags, int[] appIds, PackageStats stats) 246 throws InstallerException { 247 if (!checkBeforeRemote()) return; 248 try { 249 final long[] res = mInstalld.getUserSize(uuid, userId, flags, appIds); 250 stats.codeSize += res[0]; 251 stats.dataSize += res[1]; 252 stats.cacheSize += res[2]; 253 stats.externalCodeSize += res[3]; 254 stats.externalDataSize += res[4]; 255 stats.externalCacheSize += res[5]; 256 } catch (Exception e) { 257 throw InstallerException.from(e); 258 } 259 } 260 261 public long[] getExternalSize(String uuid, int userId, int flags) throws InstallerException { 262 if (!checkBeforeRemote()) return new long[4]; 263 try { 264 return mInstalld.getExternalSize(uuid, userId, flags); 265 } catch (Exception e) { 266 throw InstallerException.from(e); 267 } 268 } 269 270 public void setAppQuota(String uuid, int userId, int appId, long cacheQuota) 271 throws InstallerException { 272 if (!checkBeforeRemote()) return; 273 try { 274 mInstalld.setAppQuota(uuid, userId, appId, cacheQuota); 275 } catch (Exception e) { 276 throw InstallerException.from(e); 277 } 278 } 279 280 public void dexopt(String apkPath, int uid, @Nullable String pkgName, String instructionSet, 281 int dexoptNeeded, @Nullable String outputPath, int dexFlags, 282 String compilerFilter, @Nullable String volumeUuid, @Nullable String sharedLibraries) 283 throws InstallerException { 284 assertValidInstructionSet(instructionSet); 285 if (!checkBeforeRemote()) return; 286 try { 287 mInstalld.dexopt(apkPath, uid, pkgName, instructionSet, dexoptNeeded, outputPath, 288 dexFlags, compilerFilter, volumeUuid, sharedLibraries); 289 } catch (Exception e) { 290 throw InstallerException.from(e); 291 } 292 } 293 294 public boolean mergeProfiles(int uid, String packageName) throws InstallerException { 295 if (!checkBeforeRemote()) return false; 296 try { 297 return mInstalld.mergeProfiles(uid, packageName); 298 } catch (Exception e) { 299 throw InstallerException.from(e); 300 } 301 } 302 303 public boolean dumpProfiles(int uid, String packageName, String codePaths) 304 throws InstallerException { 305 if (!checkBeforeRemote()) return false; 306 try { 307 return mInstalld.dumpProfiles(uid, packageName, codePaths); 308 } catch (Exception e) { 309 throw InstallerException.from(e); 310 } 311 } 312 313 public void idmap(String targetApkPath, String overlayApkPath, int uid) 314 throws InstallerException { 315 if (!checkBeforeRemote()) return; 316 try { 317 mInstalld.idmap(targetApkPath, overlayApkPath, uid); 318 } catch (Exception e) { 319 throw InstallerException.from(e); 320 } 321 } 322 323 public void removeIdmap(String overlayApkPath) throws InstallerException { 324 if (!checkBeforeRemote()) return; 325 try { 326 mInstalld.removeIdmap(overlayApkPath); 327 } catch (Exception e) { 328 throw InstallerException.from(e); 329 } 330 } 331 332 public void rmdex(String codePath, String instructionSet) throws InstallerException { 333 assertValidInstructionSet(instructionSet); 334 if (!checkBeforeRemote()) return; 335 try { 336 mInstalld.rmdex(codePath, instructionSet); 337 } catch (Exception e) { 338 throw InstallerException.from(e); 339 } 340 } 341 342 public void rmPackageDir(String packageDir) throws InstallerException { 343 if (!checkBeforeRemote()) return; 344 try { 345 mInstalld.rmPackageDir(packageDir); 346 } catch (Exception e) { 347 throw InstallerException.from(e); 348 } 349 } 350 351 public void clearAppProfiles(String packageName) throws InstallerException { 352 if (!checkBeforeRemote()) return; 353 try { 354 mInstalld.clearAppProfiles(packageName); 355 } catch (Exception e) { 356 throw InstallerException.from(e); 357 } 358 } 359 360 public void destroyAppProfiles(String packageName) throws InstallerException { 361 if (!checkBeforeRemote()) return; 362 try { 363 mInstalld.destroyAppProfiles(packageName); 364 } catch (Exception e) { 365 throw InstallerException.from(e); 366 } 367 } 368 369 public void createUserData(String uuid, int userId, int userSerial, int flags) 370 throws InstallerException { 371 if (!checkBeforeRemote()) return; 372 try { 373 mInstalld.createUserData(uuid, userId, userSerial, flags); 374 } catch (Exception e) { 375 throw InstallerException.from(e); 376 } 377 } 378 379 public void destroyUserData(String uuid, int userId, int flags) throws InstallerException { 380 if (!checkBeforeRemote()) return; 381 try { 382 mInstalld.destroyUserData(uuid, userId, flags); 383 } catch (Exception e) { 384 throw InstallerException.from(e); 385 } 386 } 387 388 public void markBootComplete(String instructionSet) throws InstallerException { 389 assertValidInstructionSet(instructionSet); 390 if (!checkBeforeRemote()) return; 391 try { 392 mInstalld.markBootComplete(instructionSet); 393 } catch (Exception e) { 394 throw InstallerException.from(e); 395 } 396 } 397 398 public void freeCache(String uuid, long freeStorageSize, int flags) throws InstallerException { 399 if (!checkBeforeRemote()) return; 400 try { 401 mInstalld.freeCache(uuid, freeStorageSize, flags); 402 } catch (Exception e) { 403 throw InstallerException.from(e); 404 } 405 } 406 407 /** 408 * Links the 32 bit native library directory in an application's data 409 * directory to the real location for backward compatibility. Note that no 410 * such symlink is created for 64 bit shared libraries. 411 */ 412 public void linkNativeLibraryDirectory(String uuid, String packageName, String nativeLibPath32, 413 int userId) throws InstallerException { 414 if (!checkBeforeRemote()) return; 415 try { 416 mInstalld.linkNativeLibraryDirectory(uuid, packageName, nativeLibPath32, userId); 417 } catch (Exception e) { 418 throw InstallerException.from(e); 419 } 420 } 421 422 public void createOatDir(String oatDir, String dexInstructionSet) 423 throws InstallerException { 424 if (!checkBeforeRemote()) return; 425 try { 426 mInstalld.createOatDir(oatDir, dexInstructionSet); 427 } catch (Exception e) { 428 throw InstallerException.from(e); 429 } 430 } 431 432 public void linkFile(String relativePath, String fromBase, String toBase) 433 throws InstallerException { 434 if (!checkBeforeRemote()) return; 435 try { 436 mInstalld.linkFile(relativePath, fromBase, toBase); 437 } catch (Exception e) { 438 throw InstallerException.from(e); 439 } 440 } 441 442 public void moveAb(String apkPath, String instructionSet, String outputPath) 443 throws InstallerException { 444 if (!checkBeforeRemote()) return; 445 try { 446 mInstalld.moveAb(apkPath, instructionSet, outputPath); 447 } catch (Exception e) { 448 throw InstallerException.from(e); 449 } 450 } 451 452 public void deleteOdex(String apkPath, String instructionSet, String outputPath) 453 throws InstallerException { 454 if (!checkBeforeRemote()) return; 455 try { 456 mInstalld.deleteOdex(apkPath, instructionSet, outputPath); 457 } catch (Exception e) { 458 throw InstallerException.from(e); 459 } 460 } 461 462 public boolean reconcileSecondaryDexFile(String apkPath, String packageName, int uid, 463 String[] isas, @Nullable String volumeUuid, int flags) throws InstallerException { 464 for (int i = 0; i < isas.length; i++) { 465 assertValidInstructionSet(isas[i]); 466 } 467 if (!checkBeforeRemote()) return false; 468 try { 469 return mInstalld.reconcileSecondaryDexFile(apkPath, packageName, uid, isas, 470 volumeUuid, flags); 471 } catch (Exception e) { 472 throw InstallerException.from(e); 473 } 474 } 475 476 public void invalidateMounts() throws InstallerException { 477 if (!checkBeforeRemote()) return; 478 try { 479 mInstalld.invalidateMounts(); 480 } catch (Exception e) { 481 throw InstallerException.from(e); 482 } 483 } 484 485 public boolean isQuotaSupported(String volumeUuid) throws InstallerException { 486 if (!checkBeforeRemote()) return false; 487 try { 488 return mInstalld.isQuotaSupported(volumeUuid); 489 } catch (Exception e) { 490 throw InstallerException.from(e); 491 } 492 } 493 494 private static void assertValidInstructionSet(String instructionSet) 495 throws InstallerException { 496 for (String abi : Build.SUPPORTED_ABIS) { 497 if (VMRuntime.getInstructionSet(abi).equals(instructionSet)) { 498 return; 499 } 500 } 501 throw new InstallerException("Invalid instruction set: " + instructionSet); 502 } 503 504 public static class InstallerException extends Exception { 505 public InstallerException(String detailMessage) { 506 super(detailMessage); 507 } 508 509 public static InstallerException from(Exception e) throws InstallerException { 510 throw new InstallerException(e.toString()); 511 } 512 } 513} 514