IMountService.java revision 945490c12e32b1c13b9097c00702558260b2011f
1/* 2 * Copyright (C) 2010 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 android.os.storage; 18 19import android.os.Binder; 20import android.os.IBinder; 21import android.os.IInterface; 22import android.os.Parcel; 23import android.os.RemoteException; 24 25/** 26 * WARNING! Update IMountService.h and IMountService.cpp if you change this 27 * file. In particular, the ordering of the methods below must match the 28 * _TRANSACTION enum in IMountService.cpp 29 * 30 * @hide - Applications should use android.os.storage.StorageManager to access 31 * storage functions. 32 */ 33public interface IMountService extends IInterface { 34 /** Local-side IPC implementation stub class. */ 35 public static abstract class Stub extends Binder implements IMountService { 36 private static class Proxy implements IMountService { 37 private final IBinder mRemote; 38 39 Proxy(IBinder remote) { 40 mRemote = remote; 41 } 42 43 public IBinder asBinder() { 44 return mRemote; 45 } 46 47 public String getInterfaceDescriptor() { 48 return DESCRIPTOR; 49 } 50 51 /** 52 * Registers an IMountServiceListener for receiving async 53 * notifications. 54 */ 55 public void registerListener(IMountServiceListener listener) throws RemoteException { 56 Parcel _data = Parcel.obtain(); 57 Parcel _reply = Parcel.obtain(); 58 try { 59 _data.writeInterfaceToken(DESCRIPTOR); 60 _data.writeStrongBinder((listener != null ? listener.asBinder() : null)); 61 mRemote.transact(Stub.TRANSACTION_registerListener, _data, _reply, 0); 62 _reply.readException(); 63 } finally { 64 _reply.recycle(); 65 _data.recycle(); 66 } 67 } 68 69 /** 70 * Unregisters an IMountServiceListener 71 */ 72 public void unregisterListener(IMountServiceListener listener) throws RemoteException { 73 Parcel _data = Parcel.obtain(); 74 Parcel _reply = Parcel.obtain(); 75 try { 76 _data.writeInterfaceToken(DESCRIPTOR); 77 _data.writeStrongBinder((listener != null ? listener.asBinder() : null)); 78 mRemote.transact(Stub.TRANSACTION_unregisterListener, _data, _reply, 0); 79 _reply.readException(); 80 } finally { 81 _reply.recycle(); 82 _data.recycle(); 83 } 84 } 85 86 /** 87 * Returns true if a USB mass storage host is connected 88 */ 89 public boolean isUsbMassStorageConnected() throws RemoteException { 90 Parcel _data = Parcel.obtain(); 91 Parcel _reply = Parcel.obtain(); 92 boolean _result; 93 try { 94 _data.writeInterfaceToken(DESCRIPTOR); 95 mRemote.transact(Stub.TRANSACTION_isUsbMassStorageConnected, _data, _reply, 0); 96 _reply.readException(); 97 _result = 0 != _reply.readInt(); 98 } finally { 99 _reply.recycle(); 100 _data.recycle(); 101 } 102 return _result; 103 } 104 105 /** 106 * Enables / disables USB mass storage. The caller should check 107 * actual status of enabling/disabling USB mass storage via 108 * StorageEventListener. 109 */ 110 public void setUsbMassStorageEnabled(boolean enable) throws RemoteException { 111 Parcel _data = Parcel.obtain(); 112 Parcel _reply = Parcel.obtain(); 113 try { 114 _data.writeInterfaceToken(DESCRIPTOR); 115 _data.writeInt((enable ? 1 : 0)); 116 mRemote.transact(Stub.TRANSACTION_setUsbMassStorageEnabled, _data, _reply, 0); 117 _reply.readException(); 118 } finally { 119 _reply.recycle(); 120 _data.recycle(); 121 } 122 } 123 124 /** 125 * Returns true if a USB mass storage host is enabled (media is 126 * shared) 127 */ 128 public boolean isUsbMassStorageEnabled() throws RemoteException { 129 Parcel _data = Parcel.obtain(); 130 Parcel _reply = Parcel.obtain(); 131 boolean _result; 132 try { 133 _data.writeInterfaceToken(DESCRIPTOR); 134 mRemote.transact(Stub.TRANSACTION_isUsbMassStorageEnabled, _data, _reply, 0); 135 _reply.readException(); 136 _result = 0 != _reply.readInt(); 137 } finally { 138 _reply.recycle(); 139 _data.recycle(); 140 } 141 return _result; 142 } 143 144 /** 145 * Mount external storage at given mount point. Returns an int 146 * consistent with MountServiceResultCode 147 */ 148 public int mountVolume(String mountPoint) throws RemoteException { 149 Parcel _data = Parcel.obtain(); 150 Parcel _reply = Parcel.obtain(); 151 int _result; 152 try { 153 _data.writeInterfaceToken(DESCRIPTOR); 154 _data.writeString(mountPoint); 155 mRemote.transact(Stub.TRANSACTION_mountVolume, _data, _reply, 0); 156 _reply.readException(); 157 _result = _reply.readInt(); 158 } finally { 159 _reply.recycle(); 160 _data.recycle(); 161 } 162 return _result; 163 } 164 165 /** 166 * Safely unmount external storage at given mount point. The unmount 167 * is an asynchronous operation. Applications should register 168 * StorageEventListener for storage related status changes. 169 */ 170 public void unmountVolume(String mountPoint, boolean force, boolean removeEncryption) 171 throws RemoteException { 172 Parcel _data = Parcel.obtain(); 173 Parcel _reply = Parcel.obtain(); 174 try { 175 _data.writeInterfaceToken(DESCRIPTOR); 176 _data.writeString(mountPoint); 177 _data.writeInt((force ? 1 : 0)); 178 _data.writeInt((removeEncryption ? 1 : 0)); 179 mRemote.transact(Stub.TRANSACTION_unmountVolume, _data, _reply, 0); 180 _reply.readException(); 181 } finally { 182 _reply.recycle(); 183 _data.recycle(); 184 } 185 } 186 187 /** 188 * Format external storage given a mount point. Returns an int 189 * consistent with MountServiceResultCode 190 */ 191 public int formatVolume(String mountPoint) throws RemoteException { 192 Parcel _data = Parcel.obtain(); 193 Parcel _reply = Parcel.obtain(); 194 int _result; 195 try { 196 _data.writeInterfaceToken(DESCRIPTOR); 197 _data.writeString(mountPoint); 198 mRemote.transact(Stub.TRANSACTION_formatVolume, _data, _reply, 0); 199 _reply.readException(); 200 _result = _reply.readInt(); 201 } finally { 202 _reply.recycle(); 203 _data.recycle(); 204 } 205 return _result; 206 } 207 208 /** 209 * Returns an array of pids with open files on the specified path. 210 */ 211 public int[] getStorageUsers(String path) throws RemoteException { 212 Parcel _data = Parcel.obtain(); 213 Parcel _reply = Parcel.obtain(); 214 int[] _result; 215 try { 216 _data.writeInterfaceToken(DESCRIPTOR); 217 _data.writeString(path); 218 mRemote.transact(Stub.TRANSACTION_getStorageUsers, _data, _reply, 0); 219 _reply.readException(); 220 _result = _reply.createIntArray(); 221 } finally { 222 _reply.recycle(); 223 _data.recycle(); 224 } 225 return _result; 226 } 227 228 /** 229 * Gets the state of a volume via its mountpoint. 230 */ 231 public String getVolumeState(String mountPoint) throws RemoteException { 232 Parcel _data = Parcel.obtain(); 233 Parcel _reply = Parcel.obtain(); 234 String _result; 235 try { 236 _data.writeInterfaceToken(DESCRIPTOR); 237 _data.writeString(mountPoint); 238 mRemote.transact(Stub.TRANSACTION_getVolumeState, _data, _reply, 0); 239 _reply.readException(); 240 _result = _reply.readString(); 241 } finally { 242 _reply.recycle(); 243 _data.recycle(); 244 } 245 return _result; 246 } 247 248 /* 249 * Creates a secure container with the specified parameters. Returns 250 * an int consistent with MountServiceResultCode 251 */ 252 public int createSecureContainer(String id, int sizeMb, String fstype, String key, 253 int ownerUid, boolean external) throws RemoteException { 254 Parcel _data = Parcel.obtain(); 255 Parcel _reply = Parcel.obtain(); 256 int _result; 257 try { 258 _data.writeInterfaceToken(DESCRIPTOR); 259 _data.writeString(id); 260 _data.writeInt(sizeMb); 261 _data.writeString(fstype); 262 _data.writeString(key); 263 _data.writeInt(ownerUid); 264 _data.writeInt(external ? 1 : 0); 265 mRemote.transact(Stub.TRANSACTION_createSecureContainer, _data, _reply, 0); 266 _reply.readException(); 267 _result = _reply.readInt(); 268 } finally { 269 _reply.recycle(); 270 _data.recycle(); 271 } 272 return _result; 273 } 274 275 /* 276 * Destroy a secure container, and free up all resources associated 277 * with it. NOTE: Ensure all references are released prior to 278 * deleting. Returns an int consistent with MountServiceResultCode 279 */ 280 public int destroySecureContainer(String id, boolean force) throws RemoteException { 281 Parcel _data = Parcel.obtain(); 282 Parcel _reply = Parcel.obtain(); 283 int _result; 284 try { 285 _data.writeInterfaceToken(DESCRIPTOR); 286 _data.writeString(id); 287 _data.writeInt((force ? 1 : 0)); 288 mRemote.transact(Stub.TRANSACTION_destroySecureContainer, _data, _reply, 0); 289 _reply.readException(); 290 _result = _reply.readInt(); 291 } finally { 292 _reply.recycle(); 293 _data.recycle(); 294 } 295 return _result; 296 } 297 298 /* 299 * Finalize a container which has just been created and populated. 300 * After finalization, the container is immutable. Returns an int 301 * consistent with MountServiceResultCode 302 */ 303 public int finalizeSecureContainer(String id) throws RemoteException { 304 Parcel _data = Parcel.obtain(); 305 Parcel _reply = Parcel.obtain(); 306 int _result; 307 try { 308 _data.writeInterfaceToken(DESCRIPTOR); 309 _data.writeString(id); 310 mRemote.transact(Stub.TRANSACTION_finalizeSecureContainer, _data, _reply, 0); 311 _reply.readException(); 312 _result = _reply.readInt(); 313 } finally { 314 _reply.recycle(); 315 _data.recycle(); 316 } 317 return _result; 318 } 319 320 /* 321 * Mount a secure container with the specified key and owner UID. 322 * Returns an int consistent with MountServiceResultCode 323 */ 324 public int mountSecureContainer(String id, String key, int ownerUid) 325 throws RemoteException { 326 Parcel _data = Parcel.obtain(); 327 Parcel _reply = Parcel.obtain(); 328 int _result; 329 try { 330 _data.writeInterfaceToken(DESCRIPTOR); 331 _data.writeString(id); 332 _data.writeString(key); 333 _data.writeInt(ownerUid); 334 mRemote.transact(Stub.TRANSACTION_mountSecureContainer, _data, _reply, 0); 335 _reply.readException(); 336 _result = _reply.readInt(); 337 } finally { 338 _reply.recycle(); 339 _data.recycle(); 340 } 341 return _result; 342 } 343 344 /* 345 * Unount a secure container. Returns an int consistent with 346 * MountServiceResultCode 347 */ 348 public int unmountSecureContainer(String id, boolean force) throws RemoteException { 349 Parcel _data = Parcel.obtain(); 350 Parcel _reply = Parcel.obtain(); 351 int _result; 352 try { 353 _data.writeInterfaceToken(DESCRIPTOR); 354 _data.writeString(id); 355 _data.writeInt((force ? 1 : 0)); 356 mRemote.transact(Stub.TRANSACTION_unmountSecureContainer, _data, _reply, 0); 357 _reply.readException(); 358 _result = _reply.readInt(); 359 } finally { 360 _reply.recycle(); 361 _data.recycle(); 362 } 363 return _result; 364 } 365 366 /* 367 * Returns true if the specified container is mounted 368 */ 369 public boolean isSecureContainerMounted(String id) throws RemoteException { 370 Parcel _data = Parcel.obtain(); 371 Parcel _reply = Parcel.obtain(); 372 boolean _result; 373 try { 374 _data.writeInterfaceToken(DESCRIPTOR); 375 _data.writeString(id); 376 mRemote.transact(Stub.TRANSACTION_isSecureContainerMounted, _data, _reply, 0); 377 _reply.readException(); 378 _result = 0 != _reply.readInt(); 379 } finally { 380 _reply.recycle(); 381 _data.recycle(); 382 } 383 return _result; 384 } 385 386 /* 387 * Rename an unmounted secure container. Returns an int consistent 388 * with MountServiceResultCode 389 */ 390 public int renameSecureContainer(String oldId, String newId) throws RemoteException { 391 Parcel _data = Parcel.obtain(); 392 Parcel _reply = Parcel.obtain(); 393 int _result; 394 try { 395 _data.writeInterfaceToken(DESCRIPTOR); 396 _data.writeString(oldId); 397 _data.writeString(newId); 398 mRemote.transact(Stub.TRANSACTION_renameSecureContainer, _data, _reply, 0); 399 _reply.readException(); 400 _result = _reply.readInt(); 401 } finally { 402 _reply.recycle(); 403 _data.recycle(); 404 } 405 return _result; 406 } 407 408 /* 409 * Returns the filesystem path of a mounted secure container. 410 */ 411 public String getSecureContainerPath(String id) throws RemoteException { 412 Parcel _data = Parcel.obtain(); 413 Parcel _reply = Parcel.obtain(); 414 String _result; 415 try { 416 _data.writeInterfaceToken(DESCRIPTOR); 417 _data.writeString(id); 418 mRemote.transact(Stub.TRANSACTION_getSecureContainerPath, _data, _reply, 0); 419 _reply.readException(); 420 _result = _reply.readString(); 421 } finally { 422 _reply.recycle(); 423 _data.recycle(); 424 } 425 return _result; 426 } 427 428 /** 429 * Gets an Array of currently known secure container IDs 430 */ 431 public String[] getSecureContainerList() throws RemoteException { 432 Parcel _data = Parcel.obtain(); 433 Parcel _reply = Parcel.obtain(); 434 String[] _result; 435 try { 436 _data.writeInterfaceToken(DESCRIPTOR); 437 mRemote.transact(Stub.TRANSACTION_getSecureContainerList, _data, _reply, 0); 438 _reply.readException(); 439 _result = _reply.createStringArray(); 440 } finally { 441 _reply.recycle(); 442 _data.recycle(); 443 } 444 return _result; 445 } 446 447 /** 448 * Shuts down the MountService and gracefully unmounts all external 449 * media. Invokes call back once the shutdown is complete. 450 */ 451 public void shutdown(IMountShutdownObserver observer) 452 throws RemoteException { 453 Parcel _data = Parcel.obtain(); 454 Parcel _reply = Parcel.obtain(); 455 try { 456 _data.writeInterfaceToken(DESCRIPTOR); 457 _data.writeStrongBinder((observer != null ? observer.asBinder() : null)); 458 mRemote.transact(Stub.TRANSACTION_shutdown, _data, _reply, 0); 459 _reply.readException(); 460 } finally { 461 _reply.recycle(); 462 _data.recycle(); 463 } 464 } 465 466 /** 467 * Call into MountService by PackageManager to notify that its done 468 * processing the media status update request. 469 */ 470 public void finishMediaUpdate() throws RemoteException { 471 Parcel _data = Parcel.obtain(); 472 Parcel _reply = Parcel.obtain(); 473 try { 474 _data.writeInterfaceToken(DESCRIPTOR); 475 mRemote.transact(Stub.TRANSACTION_finishMediaUpdate, _data, _reply, 0); 476 _reply.readException(); 477 } finally { 478 _reply.recycle(); 479 _data.recycle(); 480 } 481 } 482 483 /** 484 * Mounts an Opaque Binary Blob (OBB) with the specified decryption 485 * key and only allows the calling process's UID access to the 486 * contents. MountService will call back to the supplied 487 * IObbActionListener to inform it of the terminal state of the 488 * call. 489 */ 490 public void mountObb(String rawPath, String canonicalPath, String key, 491 IObbActionListener token, int nonce) throws RemoteException { 492 Parcel _data = Parcel.obtain(); 493 Parcel _reply = Parcel.obtain(); 494 try { 495 _data.writeInterfaceToken(DESCRIPTOR); 496 _data.writeString(rawPath); 497 _data.writeString(canonicalPath); 498 _data.writeString(key); 499 _data.writeStrongBinder((token != null ? token.asBinder() : null)); 500 _data.writeInt(nonce); 501 mRemote.transact(Stub.TRANSACTION_mountObb, _data, _reply, 0); 502 _reply.readException(); 503 } finally { 504 _reply.recycle(); 505 _data.recycle(); 506 } 507 } 508 509 /** 510 * Unmounts an Opaque Binary Blob (OBB). When the force flag is 511 * specified, any program using it will be forcibly killed to 512 * unmount the image. MountService will call back to the supplied 513 * IObbActionListener to inform it of the terminal state of the 514 * call. 515 */ 516 public void unmountObb( 517 String rawPath, boolean force, IObbActionListener token, int nonce) 518 throws RemoteException { 519 Parcel _data = Parcel.obtain(); 520 Parcel _reply = Parcel.obtain(); 521 try { 522 _data.writeInterfaceToken(DESCRIPTOR); 523 _data.writeString(rawPath); 524 _data.writeInt((force ? 1 : 0)); 525 _data.writeStrongBinder((token != null ? token.asBinder() : null)); 526 _data.writeInt(nonce); 527 mRemote.transact(Stub.TRANSACTION_unmountObb, _data, _reply, 0); 528 _reply.readException(); 529 } finally { 530 _reply.recycle(); 531 _data.recycle(); 532 } 533 } 534 535 /** 536 * Checks whether the specified Opaque Binary Blob (OBB) is mounted 537 * somewhere. 538 */ 539 public boolean isObbMounted(String rawPath) throws RemoteException { 540 Parcel _data = Parcel.obtain(); 541 Parcel _reply = Parcel.obtain(); 542 boolean _result; 543 try { 544 _data.writeInterfaceToken(DESCRIPTOR); 545 _data.writeString(rawPath); 546 mRemote.transact(Stub.TRANSACTION_isObbMounted, _data, _reply, 0); 547 _reply.readException(); 548 _result = 0 != _reply.readInt(); 549 } finally { 550 _reply.recycle(); 551 _data.recycle(); 552 } 553 return _result; 554 } 555 556 /** 557 * Gets the path to the mounted Opaque Binary Blob (OBB). 558 */ 559 public String getMountedObbPath(String rawPath) throws RemoteException { 560 Parcel _data = Parcel.obtain(); 561 Parcel _reply = Parcel.obtain(); 562 String _result; 563 try { 564 _data.writeInterfaceToken(DESCRIPTOR); 565 _data.writeString(rawPath); 566 mRemote.transact(Stub.TRANSACTION_getMountedObbPath, _data, _reply, 0); 567 _reply.readException(); 568 _result = _reply.readString(); 569 } finally { 570 _reply.recycle(); 571 _data.recycle(); 572 } 573 return _result; 574 } 575 576 /** 577 * Returns whether the external storage is emulated. 578 */ 579 public boolean isExternalStorageEmulated() throws RemoteException { 580 Parcel _data = Parcel.obtain(); 581 Parcel _reply = Parcel.obtain(); 582 boolean _result; 583 try { 584 _data.writeInterfaceToken(DESCRIPTOR); 585 mRemote.transact(Stub.TRANSACTION_isExternalStorageEmulated, _data, _reply, 0); 586 _reply.readException(); 587 _result = 0 != _reply.readInt(); 588 } finally { 589 _reply.recycle(); 590 _data.recycle(); 591 } 592 return _result; 593 } 594 595 public int getEncryptionState() throws RemoteException { 596 Parcel _data = Parcel.obtain(); 597 Parcel _reply = Parcel.obtain(); 598 int _result; 599 try { 600 _data.writeInterfaceToken(DESCRIPTOR); 601 mRemote.transact(Stub.TRANSACTION_getEncryptionState, _data, _reply, 0); 602 _reply.readException(); 603 _result = _reply.readInt(); 604 } finally { 605 _reply.recycle(); 606 _data.recycle(); 607 } 608 return _result; 609 } 610 611 public int decryptStorage(String password) throws RemoteException { 612 Parcel _data = Parcel.obtain(); 613 Parcel _reply = Parcel.obtain(); 614 int _result; 615 try { 616 _data.writeInterfaceToken(DESCRIPTOR); 617 _data.writeString(password); 618 mRemote.transact(Stub.TRANSACTION_decryptStorage, _data, _reply, 0); 619 _reply.readException(); 620 _result = _reply.readInt(); 621 } finally { 622 _reply.recycle(); 623 _data.recycle(); 624 } 625 return _result; 626 } 627 628 public int encryptStorage(String password) throws RemoteException { 629 Parcel _data = Parcel.obtain(); 630 Parcel _reply = Parcel.obtain(); 631 int _result; 632 try { 633 _data.writeInterfaceToken(DESCRIPTOR); 634 _data.writeString(password); 635 mRemote.transact(Stub.TRANSACTION_encryptStorage, _data, _reply, 0); 636 _reply.readException(); 637 _result = _reply.readInt(); 638 } finally { 639 _reply.recycle(); 640 _data.recycle(); 641 } 642 return _result; 643 } 644 645 public int changeEncryptionPassword(int type, String password) throws RemoteException { 646 Parcel _data = Parcel.obtain(); 647 Parcel _reply = Parcel.obtain(); 648 int _result; 649 try { 650 _data.writeInterfaceToken(DESCRIPTOR); 651 _data.writeInt(type); 652 _data.writeString(password); 653 mRemote.transact(Stub.TRANSACTION_changeEncryptionPassword, _data, _reply, 0); 654 _reply.readException(); 655 _result = _reply.readInt(); 656 } finally { 657 _reply.recycle(); 658 _data.recycle(); 659 } 660 return _result; 661 } 662 663 @Override 664 public int verifyEncryptionPassword(String password) throws RemoteException { 665 Parcel _data = Parcel.obtain(); 666 Parcel _reply = Parcel.obtain(); 667 int _result; 668 try { 669 _data.writeInterfaceToken(DESCRIPTOR); 670 _data.writeString(password); 671 mRemote.transact(Stub.TRANSACTION_verifyEncryptionPassword, _data, _reply, 0); 672 _reply.readException(); 673 _result = _reply.readInt(); 674 } finally { 675 _reply.recycle(); 676 _data.recycle(); 677 } 678 return _result; 679 } 680 681 public int getPasswordType() throws RemoteException { 682 Parcel _data = Parcel.obtain(); 683 Parcel _reply = Parcel.obtain(); 684 int _result; 685 try { 686 _data.writeInterfaceToken(DESCRIPTOR); 687 mRemote.transact(Stub.TRANSACTION_getPasswordType, _data, _reply, 0); 688 _reply.readException(); 689 _result = _reply.readInt(); 690 } finally { 691 _reply.recycle(); 692 _data.recycle(); 693 } 694 return _result; 695 } 696 697 public String getPassword() throws RemoteException { 698 Parcel _data = Parcel.obtain(); 699 Parcel _reply = Parcel.obtain(); 700 String _result; 701 try { 702 _data.writeInterfaceToken(DESCRIPTOR); 703 mRemote.transact(Stub.TRANSACTION_getPassword, _data, _reply, 0); 704 _reply.readException(); 705 _result = _reply.readString(); 706 } finally { 707 _reply.recycle(); 708 _data.recycle(); 709 } 710 return _result; 711 } 712 713 public void clearPassword() throws RemoteException { 714 Parcel _data = Parcel.obtain(); 715 Parcel _reply = Parcel.obtain(); 716 String _result; 717 try { 718 _data.writeInterfaceToken(DESCRIPTOR); 719 mRemote.transact(Stub.TRANSACTION_clearPassword, _data, _reply, 0); 720 _reply.readException(); 721 } finally { 722 _reply.recycle(); 723 _data.recycle(); 724 } 725 } 726 727 public StorageVolume[] getVolumeList() throws RemoteException { 728 Parcel _data = Parcel.obtain(); 729 Parcel _reply = Parcel.obtain(); 730 StorageVolume[] _result; 731 try { 732 _data.writeInterfaceToken(DESCRIPTOR); 733 mRemote.transact(Stub.TRANSACTION_getVolumeList, _data, _reply, 0); 734 _reply.readException(); 735 _result = _reply.createTypedArray(StorageVolume.CREATOR); 736 } finally { 737 _reply.recycle(); 738 _data.recycle(); 739 } 740 return _result; 741 } 742 743 /* 744 * Returns the filesystem path of a mounted secure container. 745 */ 746 public String getSecureContainerFilesystemPath(String id) throws RemoteException { 747 Parcel _data = Parcel.obtain(); 748 Parcel _reply = Parcel.obtain(); 749 String _result; 750 try { 751 _data.writeInterfaceToken(DESCRIPTOR); 752 _data.writeString(id); 753 mRemote.transact(Stub.TRANSACTION_getSecureContainerFilesystemPath, _data, _reply, 0); 754 _reply.readException(); 755 _result = _reply.readString(); 756 } finally { 757 _reply.recycle(); 758 _data.recycle(); 759 } 760 return _result; 761 } 762 763 /** 764 * Fix permissions in a container which has just been created and 765 * populated. Returns an int consistent with MountServiceResultCode 766 */ 767 public int fixPermissionsSecureContainer(String id, int gid, String filename) 768 throws RemoteException { 769 Parcel _data = Parcel.obtain(); 770 Parcel _reply = Parcel.obtain(); 771 int _result; 772 try { 773 _data.writeInterfaceToken(DESCRIPTOR); 774 _data.writeString(id); 775 _data.writeInt(gid); 776 _data.writeString(filename); 777 mRemote.transact(Stub.TRANSACTION_fixPermissionsSecureContainer, _data, _reply, 0); 778 _reply.readException(); 779 _result = _reply.readInt(); 780 } finally { 781 _reply.recycle(); 782 _data.recycle(); 783 } 784 return _result; 785 } 786 787 @Override 788 public int mkdirs(String callingPkg, String path) throws RemoteException { 789 Parcel _data = Parcel.obtain(); 790 Parcel _reply = Parcel.obtain(); 791 int _result; 792 try { 793 _data.writeInterfaceToken(DESCRIPTOR); 794 _data.writeString(callingPkg); 795 _data.writeString(path); 796 mRemote.transact(Stub.TRANSACTION_mkdirs, _data, _reply, 0); 797 _reply.readException(); 798 _result = _reply.readInt(); 799 } finally { 800 _reply.recycle(); 801 _data.recycle(); 802 } 803 return _result; 804 } 805 } 806 807 private static final String DESCRIPTOR = "IMountService"; 808 809 static final int TRANSACTION_registerListener = IBinder.FIRST_CALL_TRANSACTION + 0; 810 811 static final int TRANSACTION_unregisterListener = IBinder.FIRST_CALL_TRANSACTION + 1; 812 813 static final int TRANSACTION_isUsbMassStorageConnected = IBinder.FIRST_CALL_TRANSACTION + 2; 814 815 static final int TRANSACTION_setUsbMassStorageEnabled = IBinder.FIRST_CALL_TRANSACTION + 3; 816 817 static final int TRANSACTION_isUsbMassStorageEnabled = IBinder.FIRST_CALL_TRANSACTION + 4; 818 819 static final int TRANSACTION_mountVolume = IBinder.FIRST_CALL_TRANSACTION + 5; 820 821 static final int TRANSACTION_unmountVolume = IBinder.FIRST_CALL_TRANSACTION + 6; 822 823 static final int TRANSACTION_formatVolume = IBinder.FIRST_CALL_TRANSACTION + 7; 824 825 static final int TRANSACTION_getStorageUsers = IBinder.FIRST_CALL_TRANSACTION + 8; 826 827 static final int TRANSACTION_getVolumeState = IBinder.FIRST_CALL_TRANSACTION + 9; 828 829 static final int TRANSACTION_createSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 10; 830 831 static final int TRANSACTION_finalizeSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 11; 832 833 static final int TRANSACTION_destroySecureContainer = IBinder.FIRST_CALL_TRANSACTION + 12; 834 835 static final int TRANSACTION_mountSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 13; 836 837 static final int TRANSACTION_unmountSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 14; 838 839 static final int TRANSACTION_isSecureContainerMounted = IBinder.FIRST_CALL_TRANSACTION + 15; 840 841 static final int TRANSACTION_renameSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 16; 842 843 static final int TRANSACTION_getSecureContainerPath = IBinder.FIRST_CALL_TRANSACTION + 17; 844 845 static final int TRANSACTION_getSecureContainerList = IBinder.FIRST_CALL_TRANSACTION + 18; 846 847 static final int TRANSACTION_shutdown = IBinder.FIRST_CALL_TRANSACTION + 19; 848 849 static final int TRANSACTION_finishMediaUpdate = IBinder.FIRST_CALL_TRANSACTION + 20; 850 851 static final int TRANSACTION_mountObb = IBinder.FIRST_CALL_TRANSACTION + 21; 852 853 static final int TRANSACTION_unmountObb = IBinder.FIRST_CALL_TRANSACTION + 22; 854 855 static final int TRANSACTION_isObbMounted = IBinder.FIRST_CALL_TRANSACTION + 23; 856 857 static final int TRANSACTION_getMountedObbPath = IBinder.FIRST_CALL_TRANSACTION + 24; 858 859 static final int TRANSACTION_isExternalStorageEmulated = IBinder.FIRST_CALL_TRANSACTION + 25; 860 861 static final int TRANSACTION_decryptStorage = IBinder.FIRST_CALL_TRANSACTION + 26; 862 863 static final int TRANSACTION_encryptStorage = IBinder.FIRST_CALL_TRANSACTION + 27; 864 865 static final int TRANSACTION_changeEncryptionPassword = IBinder.FIRST_CALL_TRANSACTION + 28; 866 867 static final int TRANSACTION_getVolumeList = IBinder.FIRST_CALL_TRANSACTION + 29; 868 869 static final int TRANSACTION_getSecureContainerFilesystemPath = IBinder.FIRST_CALL_TRANSACTION + 30; 870 871 static final int TRANSACTION_getEncryptionState = IBinder.FIRST_CALL_TRANSACTION + 31; 872 873 static final int TRANSACTION_verifyEncryptionPassword = IBinder.FIRST_CALL_TRANSACTION + 32; 874 875 static final int TRANSACTION_fixPermissionsSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 33; 876 877 static final int TRANSACTION_mkdirs = IBinder.FIRST_CALL_TRANSACTION + 34; 878 879 static final int TRANSACTION_getPasswordType = IBinder.FIRST_CALL_TRANSACTION + 35; 880 881 static final int TRANSACTION_getPassword = IBinder.FIRST_CALL_TRANSACTION + 36; 882 883 static final int TRANSACTION_clearPassword = IBinder.FIRST_CALL_TRANSACTION + 37; 884 885 /** 886 * Cast an IBinder object into an IMountService interface, generating a 887 * proxy if needed. 888 */ 889 public static IMountService asInterface(IBinder obj) { 890 if (obj == null) { 891 return null; 892 } 893 IInterface iin = obj.queryLocalInterface(DESCRIPTOR); 894 if (iin != null && iin instanceof IMountService) { 895 return (IMountService) iin; 896 } 897 return new IMountService.Stub.Proxy(obj); 898 } 899 900 /** Construct the stub at attach it to the interface. */ 901 public Stub() { 902 attachInterface(this, DESCRIPTOR); 903 } 904 905 public IBinder asBinder() { 906 return this; 907 } 908 909 @Override 910 public boolean onTransact(int code, Parcel data, Parcel reply, 911 int flags) throws RemoteException { 912 switch (code) { 913 case INTERFACE_TRANSACTION: { 914 reply.writeString(DESCRIPTOR); 915 return true; 916 } 917 case TRANSACTION_registerListener: { 918 data.enforceInterface(DESCRIPTOR); 919 IMountServiceListener listener; 920 listener = IMountServiceListener.Stub.asInterface(data.readStrongBinder()); 921 registerListener(listener); 922 reply.writeNoException(); 923 return true; 924 } 925 case TRANSACTION_unregisterListener: { 926 data.enforceInterface(DESCRIPTOR); 927 IMountServiceListener listener; 928 listener = IMountServiceListener.Stub.asInterface(data.readStrongBinder()); 929 unregisterListener(listener); 930 reply.writeNoException(); 931 return true; 932 } 933 case TRANSACTION_isUsbMassStorageConnected: { 934 data.enforceInterface(DESCRIPTOR); 935 boolean result = isUsbMassStorageConnected(); 936 reply.writeNoException(); 937 reply.writeInt((result ? 1 : 0)); 938 return true; 939 } 940 case TRANSACTION_setUsbMassStorageEnabled: { 941 data.enforceInterface(DESCRIPTOR); 942 boolean enable; 943 enable = 0 != data.readInt(); 944 setUsbMassStorageEnabled(enable); 945 reply.writeNoException(); 946 return true; 947 } 948 case TRANSACTION_isUsbMassStorageEnabled: { 949 data.enforceInterface(DESCRIPTOR); 950 boolean result = isUsbMassStorageEnabled(); 951 reply.writeNoException(); 952 reply.writeInt((result ? 1 : 0)); 953 return true; 954 } 955 case TRANSACTION_mountVolume: { 956 data.enforceInterface(DESCRIPTOR); 957 String mountPoint; 958 mountPoint = data.readString(); 959 int resultCode = mountVolume(mountPoint); 960 reply.writeNoException(); 961 reply.writeInt(resultCode); 962 return true; 963 } 964 case TRANSACTION_unmountVolume: { 965 data.enforceInterface(DESCRIPTOR); 966 String mountPoint; 967 mountPoint = data.readString(); 968 boolean force = 0 != data.readInt(); 969 boolean removeEncrypt = 0 != data.readInt(); 970 unmountVolume(mountPoint, force, removeEncrypt); 971 reply.writeNoException(); 972 return true; 973 } 974 case TRANSACTION_formatVolume: { 975 data.enforceInterface(DESCRIPTOR); 976 String mountPoint; 977 mountPoint = data.readString(); 978 int result = formatVolume(mountPoint); 979 reply.writeNoException(); 980 reply.writeInt(result); 981 return true; 982 } 983 case TRANSACTION_getStorageUsers: { 984 data.enforceInterface(DESCRIPTOR); 985 String path; 986 path = data.readString(); 987 int[] pids = getStorageUsers(path); 988 reply.writeNoException(); 989 reply.writeIntArray(pids); 990 return true; 991 } 992 case TRANSACTION_getVolumeState: { 993 data.enforceInterface(DESCRIPTOR); 994 String mountPoint; 995 mountPoint = data.readString(); 996 String state = getVolumeState(mountPoint); 997 reply.writeNoException(); 998 reply.writeString(state); 999 return true; 1000 } 1001 case TRANSACTION_createSecureContainer: { 1002 data.enforceInterface(DESCRIPTOR); 1003 String id; 1004 id = data.readString(); 1005 int sizeMb; 1006 sizeMb = data.readInt(); 1007 String fstype; 1008 fstype = data.readString(); 1009 String key; 1010 key = data.readString(); 1011 int ownerUid; 1012 ownerUid = data.readInt(); 1013 boolean external; 1014 external = 0 != data.readInt(); 1015 int resultCode = createSecureContainer(id, sizeMb, fstype, key, ownerUid, 1016 external); 1017 reply.writeNoException(); 1018 reply.writeInt(resultCode); 1019 return true; 1020 } 1021 case TRANSACTION_finalizeSecureContainer: { 1022 data.enforceInterface(DESCRIPTOR); 1023 String id; 1024 id = data.readString(); 1025 int resultCode = finalizeSecureContainer(id); 1026 reply.writeNoException(); 1027 reply.writeInt(resultCode); 1028 return true; 1029 } 1030 case TRANSACTION_destroySecureContainer: { 1031 data.enforceInterface(DESCRIPTOR); 1032 String id; 1033 id = data.readString(); 1034 boolean force; 1035 force = 0 != data.readInt(); 1036 int resultCode = destroySecureContainer(id, force); 1037 reply.writeNoException(); 1038 reply.writeInt(resultCode); 1039 return true; 1040 } 1041 case TRANSACTION_mountSecureContainer: { 1042 data.enforceInterface(DESCRIPTOR); 1043 String id; 1044 id = data.readString(); 1045 String key; 1046 key = data.readString(); 1047 int ownerUid; 1048 ownerUid = data.readInt(); 1049 int resultCode = mountSecureContainer(id, key, ownerUid); 1050 reply.writeNoException(); 1051 reply.writeInt(resultCode); 1052 return true; 1053 } 1054 case TRANSACTION_unmountSecureContainer: { 1055 data.enforceInterface(DESCRIPTOR); 1056 String id; 1057 id = data.readString(); 1058 boolean force; 1059 force = 0 != data.readInt(); 1060 int resultCode = unmountSecureContainer(id, force); 1061 reply.writeNoException(); 1062 reply.writeInt(resultCode); 1063 return true; 1064 } 1065 case TRANSACTION_isSecureContainerMounted: { 1066 data.enforceInterface(DESCRIPTOR); 1067 String id; 1068 id = data.readString(); 1069 boolean status = isSecureContainerMounted(id); 1070 reply.writeNoException(); 1071 reply.writeInt((status ? 1 : 0)); 1072 return true; 1073 } 1074 case TRANSACTION_renameSecureContainer: { 1075 data.enforceInterface(DESCRIPTOR); 1076 String oldId; 1077 oldId = data.readString(); 1078 String newId; 1079 newId = data.readString(); 1080 int resultCode = renameSecureContainer(oldId, newId); 1081 reply.writeNoException(); 1082 reply.writeInt(resultCode); 1083 return true; 1084 } 1085 case TRANSACTION_getSecureContainerPath: { 1086 data.enforceInterface(DESCRIPTOR); 1087 String id; 1088 id = data.readString(); 1089 String path = getSecureContainerPath(id); 1090 reply.writeNoException(); 1091 reply.writeString(path); 1092 return true; 1093 } 1094 case TRANSACTION_getSecureContainerList: { 1095 data.enforceInterface(DESCRIPTOR); 1096 String[] ids = getSecureContainerList(); 1097 reply.writeNoException(); 1098 reply.writeStringArray(ids); 1099 return true; 1100 } 1101 case TRANSACTION_shutdown: { 1102 data.enforceInterface(DESCRIPTOR); 1103 IMountShutdownObserver observer; 1104 observer = IMountShutdownObserver.Stub.asInterface(data 1105 .readStrongBinder()); 1106 shutdown(observer); 1107 reply.writeNoException(); 1108 return true; 1109 } 1110 case TRANSACTION_finishMediaUpdate: { 1111 data.enforceInterface(DESCRIPTOR); 1112 finishMediaUpdate(); 1113 reply.writeNoException(); 1114 return true; 1115 } 1116 case TRANSACTION_mountObb: { 1117 data.enforceInterface(DESCRIPTOR); 1118 final String rawPath = data.readString(); 1119 final String canonicalPath = data.readString(); 1120 final String key = data.readString(); 1121 IObbActionListener observer; 1122 observer = IObbActionListener.Stub.asInterface(data.readStrongBinder()); 1123 int nonce; 1124 nonce = data.readInt(); 1125 mountObb(rawPath, canonicalPath, key, observer, nonce); 1126 reply.writeNoException(); 1127 return true; 1128 } 1129 case TRANSACTION_unmountObb: { 1130 data.enforceInterface(DESCRIPTOR); 1131 String filename; 1132 filename = data.readString(); 1133 boolean force; 1134 force = 0 != data.readInt(); 1135 IObbActionListener observer; 1136 observer = IObbActionListener.Stub.asInterface(data.readStrongBinder()); 1137 int nonce; 1138 nonce = data.readInt(); 1139 unmountObb(filename, force, observer, nonce); 1140 reply.writeNoException(); 1141 return true; 1142 } 1143 case TRANSACTION_isObbMounted: { 1144 data.enforceInterface(DESCRIPTOR); 1145 String filename; 1146 filename = data.readString(); 1147 boolean status = isObbMounted(filename); 1148 reply.writeNoException(); 1149 reply.writeInt((status ? 1 : 0)); 1150 return true; 1151 } 1152 case TRANSACTION_getMountedObbPath: { 1153 data.enforceInterface(DESCRIPTOR); 1154 String filename; 1155 filename = data.readString(); 1156 String mountedPath = getMountedObbPath(filename); 1157 reply.writeNoException(); 1158 reply.writeString(mountedPath); 1159 return true; 1160 } 1161 case TRANSACTION_isExternalStorageEmulated: { 1162 data.enforceInterface(DESCRIPTOR); 1163 boolean emulated = isExternalStorageEmulated(); 1164 reply.writeNoException(); 1165 reply.writeInt(emulated ? 1 : 0); 1166 return true; 1167 } 1168 case TRANSACTION_decryptStorage: { 1169 data.enforceInterface(DESCRIPTOR); 1170 String password = data.readString(); 1171 int result = decryptStorage(password); 1172 reply.writeNoException(); 1173 reply.writeInt(result); 1174 return true; 1175 } 1176 case TRANSACTION_encryptStorage: { 1177 data.enforceInterface(DESCRIPTOR); 1178 String password = data.readString(); 1179 int result = encryptStorage(password); 1180 reply.writeNoException(); 1181 reply.writeInt(result); 1182 return true; 1183 } 1184 case TRANSACTION_changeEncryptionPassword: { 1185 data.enforceInterface(DESCRIPTOR); 1186 int type = data.readInt(); 1187 String password = data.readString(); 1188 int result = changeEncryptionPassword(type, password); 1189 reply.writeNoException(); 1190 reply.writeInt(result); 1191 return true; 1192 } 1193 case TRANSACTION_getVolumeList: { 1194 data.enforceInterface(DESCRIPTOR); 1195 StorageVolume[] result = getVolumeList(); 1196 reply.writeNoException(); 1197 reply.writeTypedArray(result, android.os.Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1198 return true; 1199 } 1200 case TRANSACTION_getSecureContainerFilesystemPath: { 1201 data.enforceInterface(DESCRIPTOR); 1202 String id; 1203 id = data.readString(); 1204 String path = getSecureContainerFilesystemPath(id); 1205 reply.writeNoException(); 1206 reply.writeString(path); 1207 return true; 1208 } 1209 case TRANSACTION_getEncryptionState: { 1210 data.enforceInterface(DESCRIPTOR); 1211 int result = getEncryptionState(); 1212 reply.writeNoException(); 1213 reply.writeInt(result); 1214 return true; 1215 } 1216 case TRANSACTION_fixPermissionsSecureContainer: { 1217 data.enforceInterface(DESCRIPTOR); 1218 String id; 1219 id = data.readString(); 1220 int gid; 1221 gid = data.readInt(); 1222 String filename; 1223 filename = data.readString(); 1224 int resultCode = fixPermissionsSecureContainer(id, gid, filename); 1225 reply.writeNoException(); 1226 reply.writeInt(resultCode); 1227 return true; 1228 } 1229 case TRANSACTION_mkdirs: { 1230 data.enforceInterface(DESCRIPTOR); 1231 String callingPkg = data.readString(); 1232 String path = data.readString(); 1233 int result = mkdirs(callingPkg, path); 1234 reply.writeNoException(); 1235 reply.writeInt(result); 1236 return true; 1237 } 1238 case TRANSACTION_getPasswordType: { 1239 data.enforceInterface(DESCRIPTOR); 1240 int result = getPasswordType(); 1241 reply.writeNoException(); 1242 reply.writeInt(result); 1243 return true; 1244 } 1245 case TRANSACTION_getPassword: { 1246 data.enforceInterface(DESCRIPTOR); 1247 String result = getPassword(); 1248 reply.writeNoException(); 1249 reply.writeString(result); 1250 return true; 1251 } 1252 case TRANSACTION_clearPassword: { 1253 data.enforceInterface(DESCRIPTOR); 1254 clearPassword(); 1255 reply.writeNoException(); 1256 return true; 1257 } 1258 } 1259 return super.onTransact(code, data, reply, flags); 1260 } 1261 } 1262 1263 /* 1264 * Creates a secure container with the specified parameters. Returns an int 1265 * consistent with MountServiceResultCode 1266 */ 1267 public int createSecureContainer(String id, int sizeMb, String fstype, String key, 1268 int ownerUid, boolean external) throws RemoteException; 1269 1270 /* 1271 * Destroy a secure container, and free up all resources associated with it. 1272 * NOTE: Ensure all references are released prior to deleting. Returns an 1273 * int consistent with MountServiceResultCode 1274 */ 1275 public int destroySecureContainer(String id, boolean force) throws RemoteException; 1276 1277 /* 1278 * Finalize a container which has just been created and populated. After 1279 * finalization, the container is immutable. Returns an int consistent with 1280 * MountServiceResultCode 1281 */ 1282 public int finalizeSecureContainer(String id) throws RemoteException; 1283 1284 /** 1285 * Call into MountService by PackageManager to notify that its done 1286 * processing the media status update request. 1287 */ 1288 public void finishMediaUpdate() throws RemoteException; 1289 1290 /** 1291 * Format external storage given a mount point. Returns an int consistent 1292 * with MountServiceResultCode 1293 */ 1294 public int formatVolume(String mountPoint) throws RemoteException; 1295 1296 /** 1297 * Gets the path to the mounted Opaque Binary Blob (OBB). 1298 */ 1299 public String getMountedObbPath(String rawPath) throws RemoteException; 1300 1301 /** 1302 * Gets an Array of currently known secure container IDs 1303 */ 1304 public String[] getSecureContainerList() throws RemoteException; 1305 1306 /* 1307 * Returns the filesystem path of a mounted secure container. 1308 */ 1309 public String getSecureContainerPath(String id) throws RemoteException; 1310 1311 /** 1312 * Returns an array of pids with open files on the specified path. 1313 */ 1314 public int[] getStorageUsers(String path) throws RemoteException; 1315 1316 /** 1317 * Gets the state of a volume via its mountpoint. 1318 */ 1319 public String getVolumeState(String mountPoint) throws RemoteException; 1320 1321 /** 1322 * Checks whether the specified Opaque Binary Blob (OBB) is mounted 1323 * somewhere. 1324 */ 1325 public boolean isObbMounted(String rawPath) throws RemoteException; 1326 1327 /* 1328 * Returns true if the specified container is mounted 1329 */ 1330 public boolean isSecureContainerMounted(String id) throws RemoteException; 1331 1332 /** 1333 * Returns true if a USB mass storage host is connected 1334 */ 1335 public boolean isUsbMassStorageConnected() throws RemoteException; 1336 1337 /** 1338 * Returns true if a USB mass storage host is enabled (media is shared) 1339 */ 1340 public boolean isUsbMassStorageEnabled() throws RemoteException; 1341 1342 /** 1343 * Mounts an Opaque Binary Blob (OBB) with the specified decryption key and 1344 * only allows the calling process's UID access to the contents. 1345 * MountService will call back to the supplied IObbActionListener to inform 1346 * it of the terminal state of the call. 1347 */ 1348 public void mountObb(String rawPath, String canonicalPath, String key, 1349 IObbActionListener token, int nonce) throws RemoteException; 1350 1351 /* 1352 * Mount a secure container with the specified key and owner UID. Returns an 1353 * int consistent with MountServiceResultCode 1354 */ 1355 public int mountSecureContainer(String id, String key, int ownerUid) throws RemoteException; 1356 1357 /** 1358 * Mount external storage at given mount point. Returns an int consistent 1359 * with MountServiceResultCode 1360 */ 1361 public int mountVolume(String mountPoint) throws RemoteException; 1362 1363 /** 1364 * Registers an IMountServiceListener for receiving async notifications. 1365 */ 1366 public void registerListener(IMountServiceListener listener) throws RemoteException; 1367 1368 /* 1369 * Rename an unmounted secure container. Returns an int consistent with 1370 * MountServiceResultCode 1371 */ 1372 public int renameSecureContainer(String oldId, String newId) throws RemoteException; 1373 1374 /** 1375 * Enables / disables USB mass storage. The caller should check actual 1376 * status of enabling/disabling USB mass storage via StorageEventListener. 1377 */ 1378 public void setUsbMassStorageEnabled(boolean enable) throws RemoteException; 1379 1380 /** 1381 * Shuts down the MountService and gracefully unmounts all external media. 1382 * Invokes call back once the shutdown is complete. 1383 */ 1384 public void shutdown(IMountShutdownObserver observer) throws RemoteException; 1385 1386 /** 1387 * Unmounts an Opaque Binary Blob (OBB). When the force flag is specified, 1388 * any program using it will be forcibly killed to unmount the image. 1389 * MountService will call back to the supplied IObbActionListener to inform 1390 * it of the terminal state of the call. 1391 */ 1392 public void unmountObb(String rawPath, boolean force, IObbActionListener token, int nonce) 1393 throws RemoteException; 1394 1395 /* 1396 * Unount a secure container. Returns an int consistent with 1397 * MountServiceResultCode 1398 */ 1399 public int unmountSecureContainer(String id, boolean force) throws RemoteException; 1400 1401 /** 1402 * Safely unmount external storage at given mount point. The unmount is an 1403 * asynchronous operation. Applications should register StorageEventListener 1404 * for storage related status changes. 1405 * @param mountPoint the mount point 1406 * @param force whether or not to forcefully unmount it (e.g. even if programs are using this 1407 * data currently) 1408 * @param removeEncryption whether or not encryption mapping should be removed from the volume. 1409 * This value implies {@code force}. 1410 */ 1411 public void unmountVolume(String mountPoint, boolean force, boolean removeEncryption) 1412 throws RemoteException; 1413 1414 /** 1415 * Unregisters an IMountServiceListener 1416 */ 1417 public void unregisterListener(IMountServiceListener listener) throws RemoteException; 1418 1419 /** 1420 * Returns whether or not the external storage is emulated. 1421 */ 1422 public boolean isExternalStorageEmulated() throws RemoteException; 1423 1424 /** The volume is not encrypted. */ 1425 static final int ENCRYPTION_STATE_NONE = 1; 1426 /** The volume has been encrypted succesfully. */ 1427 static final int ENCRYPTION_STATE_OK = 0; 1428 /** The volume is in a bad state. */ 1429 static final int ENCRYPTION_STATE_ERROR_UNKNOWN = -1; 1430 /** The volume is in a bad state - partially encrypted. Data is likely irrecoverable. */ 1431 static final int ENCRYPTION_STATE_ERROR_INCOMPLETE = -2; 1432 1433 /** 1434 * Determines the encryption state of the volume. 1435 * @return a numerical value. See {@code ENCRYPTION_STATE_*} for possible values. 1436 */ 1437 public int getEncryptionState() throws RemoteException; 1438 1439 /** 1440 * Decrypts any encrypted volumes. 1441 */ 1442 public int decryptStorage(String password) throws RemoteException; 1443 1444 /** 1445 * Encrypts storage. 1446 */ 1447 public int encryptStorage(String password) throws RemoteException; 1448 1449 /** 1450 * Changes the encryption password. 1451 */ 1452 public int changeEncryptionPassword(int type, String password) 1453 throws RemoteException; 1454 1455 /** 1456 * Verify the encryption password against the stored volume. This method 1457 * may only be called by the system process. 1458 */ 1459 public int verifyEncryptionPassword(String password) throws RemoteException; 1460 1461 /** 1462 * Returns list of all mountable volumes. 1463 */ 1464 public StorageVolume[] getVolumeList() throws RemoteException; 1465 1466 /** 1467 * Gets the path on the filesystem for the ASEC container itself. 1468 * 1469 * @param cid ASEC container ID 1470 * @return path to filesystem or {@code null} if it's not found 1471 * @throws RemoteException 1472 */ 1473 public String getSecureContainerFilesystemPath(String cid) throws RemoteException; 1474 1475 /* 1476 * Fix permissions in a container which has just been created and populated. 1477 * Returns an int consistent with MountServiceResultCode 1478 */ 1479 public int fixPermissionsSecureContainer(String id, int gid, String filename) 1480 throws RemoteException; 1481 1482 /** 1483 * Ensure that all directories along given path exist, creating parent 1484 * directories as needed. Validates that given path is absolute and that it 1485 * contains no relative "." or ".." paths or symlinks. Also ensures that 1486 * path belongs to a volume managed by vold, and that path is either 1487 * external storage data or OBB directory belonging to calling app. 1488 */ 1489 public int mkdirs(String callingPkg, String path) throws RemoteException; 1490 1491 /** 1492 * Determines the type of the encryption password 1493 * @return PasswordType 1494 */ 1495 public int getPasswordType() throws RemoteException; 1496 1497 /** 1498 * Get password from vold 1499 * @return password or empty string 1500 */ 1501 public String getPassword() throws RemoteException; 1502 1503 /** 1504 * Securely clear password from vold 1505 */ 1506 public void clearPassword() throws RemoteException; 1507} 1508