/* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.os.storage; import android.os.Binder; import android.os.IBinder; import android.os.IInterface; import android.os.Parcel; import android.os.Parcelable; import android.os.RemoteException; import android.os.storage.StorageVolume; /** * WARNING! Update IMountService.h and IMountService.cpp if you change this * file. In particular, the ordering of the methods below must match the * _TRANSACTION enum in IMountService.cpp * * @hide - Applications should use android.os.storage.StorageManager to access * storage functions. */ public interface IMountService extends IInterface { /** Local-side IPC implementation stub class. */ public static abstract class Stub extends Binder implements IMountService { private static class Proxy implements IMountService { private final IBinder mRemote; Proxy(IBinder remote) { mRemote = remote; } public IBinder asBinder() { return mRemote; } public String getInterfaceDescriptor() { return DESCRIPTOR; } /** * Registers an IMountServiceListener for receiving async * notifications. */ public void registerListener(IMountServiceListener listener) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeStrongBinder((listener != null ? listener.asBinder() : null)); mRemote.transact(Stub.TRANSACTION_registerListener, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Unregisters an IMountServiceListener */ public void unregisterListener(IMountServiceListener listener) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeStrongBinder((listener != null ? listener.asBinder() : null)); mRemote.transact(Stub.TRANSACTION_unregisterListener, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Returns true if a USB mass storage host is connected */ public boolean isUsbMassStorageConnected() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); boolean _result; try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_isUsbMassStorageConnected, _data, _reply, 0); _reply.readException(); _result = 0 != _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Enables / disables USB mass storage. The caller should check * actual status of enabling/disabling USB mass storage via * StorageEventListener. */ public void setUsbMassStorageEnabled(boolean enable) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeInt((enable ? 1 : 0)); mRemote.transact(Stub.TRANSACTION_setUsbMassStorageEnabled, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Returns true if a USB mass storage host is enabled (media is * shared) */ public boolean isUsbMassStorageEnabled() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); boolean _result; try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_isUsbMassStorageEnabled, _data, _reply, 0); _reply.readException(); _result = 0 != _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Mount external storage at given mount point. Returns an int * consistent with MountServiceResultCode */ public int mountVolume(String mountPoint) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(mountPoint); mRemote.transact(Stub.TRANSACTION_mountVolume, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Safely unmount external storage at given mount point. The unmount * is an asynchronous operation. Applications should register * StorageEventListener for storage related status changes. */ public void unmountVolume(String mountPoint, boolean force, boolean removeEncryption) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(mountPoint); _data.writeInt((force ? 1 : 0)); _data.writeInt((removeEncryption ? 1 : 0)); mRemote.transact(Stub.TRANSACTION_unmountVolume, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Format external storage given a mount point. Returns an int * consistent with MountServiceResultCode */ public int formatVolume(String mountPoint) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(mountPoint); mRemote.transact(Stub.TRANSACTION_formatVolume, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Returns an array of pids with open files on the specified path. */ public int[] getStorageUsers(String path) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int[] _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(path); mRemote.transact(Stub.TRANSACTION_getStorageUsers, _data, _reply, 0); _reply.readException(); _result = _reply.createIntArray(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Gets the state of a volume via its mountpoint. */ public String getVolumeState(String mountPoint) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); String _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(mountPoint); mRemote.transact(Stub.TRANSACTION_getVolumeState, _data, _reply, 0); _reply.readException(); _result = _reply.readString(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Creates a secure container with the specified parameters. Returns * an int consistent with MountServiceResultCode */ public int createSecureContainer(String id, int sizeMb, String fstype, String key, int ownerUid, boolean external) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); _data.writeInt(sizeMb); _data.writeString(fstype); _data.writeString(key); _data.writeInt(ownerUid); _data.writeInt(external ? 1 : 0); mRemote.transact(Stub.TRANSACTION_createSecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Destroy a secure container, and free up all resources associated * with it. NOTE: Ensure all references are released prior to * deleting. Returns an int consistent with MountServiceResultCode */ public int destroySecureContainer(String id, boolean force) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); _data.writeInt((force ? 1 : 0)); mRemote.transact(Stub.TRANSACTION_destroySecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Finalize a container which has just been created and populated. * After finalization, the container is immutable. Returns an int * consistent with MountServiceResultCode */ public int finalizeSecureContainer(String id) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); mRemote.transact(Stub.TRANSACTION_finalizeSecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Mount a secure container with the specified key and owner UID. * Returns an int consistent with MountServiceResultCode */ public int mountSecureContainer(String id, String key, int ownerUid) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); _data.writeString(key); _data.writeInt(ownerUid); mRemote.transact(Stub.TRANSACTION_mountSecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Unount a secure container. Returns an int consistent with * MountServiceResultCode */ public int unmountSecureContainer(String id, boolean force) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); _data.writeInt((force ? 1 : 0)); mRemote.transact(Stub.TRANSACTION_unmountSecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Returns true if the specified container is mounted */ public boolean isSecureContainerMounted(String id) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); boolean _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); mRemote.transact(Stub.TRANSACTION_isSecureContainerMounted, _data, _reply, 0); _reply.readException(); _result = 0 != _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Rename an unmounted secure container. Returns an int consistent * with MountServiceResultCode */ public int renameSecureContainer(String oldId, String newId) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(oldId); _data.writeString(newId); mRemote.transact(Stub.TRANSACTION_renameSecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Returns the filesystem path of a mounted secure container. */ public String getSecureContainerPath(String id) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); String _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); mRemote.transact(Stub.TRANSACTION_getSecureContainerPath, _data, _reply, 0); _reply.readException(); _result = _reply.readString(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Gets an Array of currently known secure container IDs */ public String[] getSecureContainerList() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); String[] _result; try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_getSecureContainerList, _data, _reply, 0); _reply.readException(); _result = _reply.createStringArray(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Shuts down the MountService and gracefully unmounts all external * media. Invokes call back once the shutdown is complete. */ public void shutdown(IMountShutdownObserver observer) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeStrongBinder((observer != null ? observer.asBinder() : null)); mRemote.transact(Stub.TRANSACTION_shutdown, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Call into MountService by PackageManager to notify that its done * processing the media status update request. */ public void finishMediaUpdate() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_finishMediaUpdate, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Mounts an Opaque Binary Blob (OBB) with the specified decryption * key and only allows the calling process's UID access to the * contents. MountService will call back to the supplied * IObbActionListener to inform it of the terminal state of the * call. */ public void mountObb(String rawPath, String canonicalPath, String key, IObbActionListener token, int nonce) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(rawPath); _data.writeString(canonicalPath); _data.writeString(key); _data.writeStrongBinder((token != null ? token.asBinder() : null)); _data.writeInt(nonce); mRemote.transact(Stub.TRANSACTION_mountObb, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Unmounts an Opaque Binary Blob (OBB). When the force flag is * specified, any program using it will be forcibly killed to * unmount the image. MountService will call back to the supplied * IObbActionListener to inform it of the terminal state of the * call. */ public void unmountObb( String rawPath, boolean force, IObbActionListener token, int nonce) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(rawPath); _data.writeInt((force ? 1 : 0)); _data.writeStrongBinder((token != null ? token.asBinder() : null)); _data.writeInt(nonce); mRemote.transact(Stub.TRANSACTION_unmountObb, _data, _reply, 0); _reply.readException(); } finally { _reply.recycle(); _data.recycle(); } } /** * Checks whether the specified Opaque Binary Blob (OBB) is mounted * somewhere. */ public boolean isObbMounted(String rawPath) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); boolean _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(rawPath); mRemote.transact(Stub.TRANSACTION_isObbMounted, _data, _reply, 0); _reply.readException(); _result = 0 != _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Gets the path to the mounted Opaque Binary Blob (OBB). */ public String getMountedObbPath(String rawPath) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); String _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(rawPath); mRemote.transact(Stub.TRANSACTION_getMountedObbPath, _data, _reply, 0); _reply.readException(); _result = _reply.readString(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Returns whether the external storage is emulated. */ public boolean isExternalStorageEmulated() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); boolean _result; try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_isExternalStorageEmulated, _data, _reply, 0); _reply.readException(); _result = 0 != _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } public int getEncryptionState() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_getEncryptionState, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } public int decryptStorage(String password) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(password); mRemote.transact(Stub.TRANSACTION_decryptStorage, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } public int encryptStorage(String password) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(password); mRemote.transact(Stub.TRANSACTION_encryptStorage, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } public int changeEncryptionPassword(String password) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(password); mRemote.transact(Stub.TRANSACTION_changeEncryptionPassword, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } @Override public int verifyEncryptionPassword(String password) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(password); mRemote.transact(Stub.TRANSACTION_verifyEncryptionPassword, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } public StorageVolume[] getVolumeList() throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); StorageVolume[] _result; try { _data.writeInterfaceToken(DESCRIPTOR); mRemote.transact(Stub.TRANSACTION_getVolumeList, _data, _reply, 0); _reply.readException(); _result = _reply.createTypedArray(StorageVolume.CREATOR); } finally { _reply.recycle(); _data.recycle(); } return _result; } /* * Returns the filesystem path of a mounted secure container. */ public String getSecureContainerFilesystemPath(String id) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); String _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); mRemote.transact(Stub.TRANSACTION_getSecureContainerFilesystemPath, _data, _reply, 0); _reply.readException(); _result = _reply.readString(); } finally { _reply.recycle(); _data.recycle(); } return _result; } /** * Fix permissions in a container which has just been created and * populated. Returns an int consistent with MountServiceResultCode */ public int fixPermissionsSecureContainer(String id, int gid, String filename) throws RemoteException { Parcel _data = Parcel.obtain(); Parcel _reply = Parcel.obtain(); int _result; try { _data.writeInterfaceToken(DESCRIPTOR); _data.writeString(id); _data.writeInt(gid); _data.writeString(filename); mRemote.transact(Stub.TRANSACTION_fixPermissionsSecureContainer, _data, _reply, 0); _reply.readException(); _result = _reply.readInt(); } finally { _reply.recycle(); _data.recycle(); } return _result; } } private static final String DESCRIPTOR = "IMountService"; static final int TRANSACTION_registerListener = IBinder.FIRST_CALL_TRANSACTION + 0; static final int TRANSACTION_unregisterListener = IBinder.FIRST_CALL_TRANSACTION + 1; static final int TRANSACTION_isUsbMassStorageConnected = IBinder.FIRST_CALL_TRANSACTION + 2; static final int TRANSACTION_setUsbMassStorageEnabled = IBinder.FIRST_CALL_TRANSACTION + 3; static final int TRANSACTION_isUsbMassStorageEnabled = IBinder.FIRST_CALL_TRANSACTION + 4; static final int TRANSACTION_mountVolume = IBinder.FIRST_CALL_TRANSACTION + 5; static final int TRANSACTION_unmountVolume = IBinder.FIRST_CALL_TRANSACTION + 6; static final int TRANSACTION_formatVolume = IBinder.FIRST_CALL_TRANSACTION + 7; static final int TRANSACTION_getStorageUsers = IBinder.FIRST_CALL_TRANSACTION + 8; static final int TRANSACTION_getVolumeState = IBinder.FIRST_CALL_TRANSACTION + 9; static final int TRANSACTION_createSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 10; static final int TRANSACTION_finalizeSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 11; static final int TRANSACTION_destroySecureContainer = IBinder.FIRST_CALL_TRANSACTION + 12; static final int TRANSACTION_mountSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 13; static final int TRANSACTION_unmountSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 14; static final int TRANSACTION_isSecureContainerMounted = IBinder.FIRST_CALL_TRANSACTION + 15; static final int TRANSACTION_renameSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 16; static final int TRANSACTION_getSecureContainerPath = IBinder.FIRST_CALL_TRANSACTION + 17; static final int TRANSACTION_getSecureContainerList = IBinder.FIRST_CALL_TRANSACTION + 18; static final int TRANSACTION_shutdown = IBinder.FIRST_CALL_TRANSACTION + 19; static final int TRANSACTION_finishMediaUpdate = IBinder.FIRST_CALL_TRANSACTION + 20; static final int TRANSACTION_mountObb = IBinder.FIRST_CALL_TRANSACTION + 21; static final int TRANSACTION_unmountObb = IBinder.FIRST_CALL_TRANSACTION + 22; static final int TRANSACTION_isObbMounted = IBinder.FIRST_CALL_TRANSACTION + 23; static final int TRANSACTION_getMountedObbPath = IBinder.FIRST_CALL_TRANSACTION + 24; static final int TRANSACTION_isExternalStorageEmulated = IBinder.FIRST_CALL_TRANSACTION + 25; static final int TRANSACTION_decryptStorage = IBinder.FIRST_CALL_TRANSACTION + 26; static final int TRANSACTION_encryptStorage = IBinder.FIRST_CALL_TRANSACTION + 27; static final int TRANSACTION_changeEncryptionPassword = IBinder.FIRST_CALL_TRANSACTION + 28; static final int TRANSACTION_getVolumeList = IBinder.FIRST_CALL_TRANSACTION + 29; static final int TRANSACTION_getSecureContainerFilesystemPath = IBinder.FIRST_CALL_TRANSACTION + 30; static final int TRANSACTION_getEncryptionState = IBinder.FIRST_CALL_TRANSACTION + 31; static final int TRANSACTION_verifyEncryptionPassword = IBinder.FIRST_CALL_TRANSACTION + 32; static final int TRANSACTION_fixPermissionsSecureContainer = IBinder.FIRST_CALL_TRANSACTION + 33; /** * Cast an IBinder object into an IMountService interface, generating a * proxy if needed. */ public static IMountService asInterface(IBinder obj) { if (obj == null) { return null; } IInterface iin = obj.queryLocalInterface(DESCRIPTOR); if (iin != null && iin instanceof IMountService) { return (IMountService) iin; } return new IMountService.Stub.Proxy(obj); } /** Construct the stub at attach it to the interface. */ public Stub() { attachInterface(this, DESCRIPTOR); } public IBinder asBinder() { return this; } @Override public boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException { switch (code) { case INTERFACE_TRANSACTION: { reply.writeString(DESCRIPTOR); return true; } case TRANSACTION_registerListener: { data.enforceInterface(DESCRIPTOR); IMountServiceListener listener; listener = IMountServiceListener.Stub.asInterface(data.readStrongBinder()); registerListener(listener); reply.writeNoException(); return true; } case TRANSACTION_unregisterListener: { data.enforceInterface(DESCRIPTOR); IMountServiceListener listener; listener = IMountServiceListener.Stub.asInterface(data.readStrongBinder()); unregisterListener(listener); reply.writeNoException(); return true; } case TRANSACTION_isUsbMassStorageConnected: { data.enforceInterface(DESCRIPTOR); boolean result = isUsbMassStorageConnected(); reply.writeNoException(); reply.writeInt((result ? 1 : 0)); return true; } case TRANSACTION_setUsbMassStorageEnabled: { data.enforceInterface(DESCRIPTOR); boolean enable; enable = 0 != data.readInt(); setUsbMassStorageEnabled(enable); reply.writeNoException(); return true; } case TRANSACTION_isUsbMassStorageEnabled: { data.enforceInterface(DESCRIPTOR); boolean result = isUsbMassStorageEnabled(); reply.writeNoException(); reply.writeInt((result ? 1 : 0)); return true; } case TRANSACTION_mountVolume: { data.enforceInterface(DESCRIPTOR); String mountPoint; mountPoint = data.readString(); int resultCode = mountVolume(mountPoint); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_unmountVolume: { data.enforceInterface(DESCRIPTOR); String mountPoint; mountPoint = data.readString(); boolean force = 0 != data.readInt(); boolean removeEncrypt = 0 != data.readInt(); unmountVolume(mountPoint, force, removeEncrypt); reply.writeNoException(); return true; } case TRANSACTION_formatVolume: { data.enforceInterface(DESCRIPTOR); String mountPoint; mountPoint = data.readString(); int result = formatVolume(mountPoint); reply.writeNoException(); reply.writeInt(result); return true; } case TRANSACTION_getStorageUsers: { data.enforceInterface(DESCRIPTOR); String path; path = data.readString(); int[] pids = getStorageUsers(path); reply.writeNoException(); reply.writeIntArray(pids); return true; } case TRANSACTION_getVolumeState: { data.enforceInterface(DESCRIPTOR); String mountPoint; mountPoint = data.readString(); String state = getVolumeState(mountPoint); reply.writeNoException(); reply.writeString(state); return true; } case TRANSACTION_createSecureContainer: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); int sizeMb; sizeMb = data.readInt(); String fstype; fstype = data.readString(); String key; key = data.readString(); int ownerUid; ownerUid = data.readInt(); boolean external; external = 0 != data.readInt(); int resultCode = createSecureContainer(id, sizeMb, fstype, key, ownerUid, external); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_finalizeSecureContainer: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); int resultCode = finalizeSecureContainer(id); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_destroySecureContainer: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); boolean force; force = 0 != data.readInt(); int resultCode = destroySecureContainer(id, force); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_mountSecureContainer: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); String key; key = data.readString(); int ownerUid; ownerUid = data.readInt(); int resultCode = mountSecureContainer(id, key, ownerUid); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_unmountSecureContainer: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); boolean force; force = 0 != data.readInt(); int resultCode = unmountSecureContainer(id, force); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_isSecureContainerMounted: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); boolean status = isSecureContainerMounted(id); reply.writeNoException(); reply.writeInt((status ? 1 : 0)); return true; } case TRANSACTION_renameSecureContainer: { data.enforceInterface(DESCRIPTOR); String oldId; oldId = data.readString(); String newId; newId = data.readString(); int resultCode = renameSecureContainer(oldId, newId); reply.writeNoException(); reply.writeInt(resultCode); return true; } case TRANSACTION_getSecureContainerPath: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); String path = getSecureContainerPath(id); reply.writeNoException(); reply.writeString(path); return true; } case TRANSACTION_getSecureContainerList: { data.enforceInterface(DESCRIPTOR); String[] ids = getSecureContainerList(); reply.writeNoException(); reply.writeStringArray(ids); return true; } case TRANSACTION_shutdown: { data.enforceInterface(DESCRIPTOR); IMountShutdownObserver observer; observer = IMountShutdownObserver.Stub.asInterface(data .readStrongBinder()); shutdown(observer); reply.writeNoException(); return true; } case TRANSACTION_finishMediaUpdate: { data.enforceInterface(DESCRIPTOR); finishMediaUpdate(); reply.writeNoException(); return true; } case TRANSACTION_mountObb: { data.enforceInterface(DESCRIPTOR); final String rawPath = data.readString(); final String canonicalPath = data.readString(); final String key = data.readString(); IObbActionListener observer; observer = IObbActionListener.Stub.asInterface(data.readStrongBinder()); int nonce; nonce = data.readInt(); mountObb(rawPath, canonicalPath, key, observer, nonce); reply.writeNoException(); return true; } case TRANSACTION_unmountObb: { data.enforceInterface(DESCRIPTOR); String filename; filename = data.readString(); boolean force; force = 0 != data.readInt(); IObbActionListener observer; observer = IObbActionListener.Stub.asInterface(data.readStrongBinder()); int nonce; nonce = data.readInt(); unmountObb(filename, force, observer, nonce); reply.writeNoException(); return true; } case TRANSACTION_isObbMounted: { data.enforceInterface(DESCRIPTOR); String filename; filename = data.readString(); boolean status = isObbMounted(filename); reply.writeNoException(); reply.writeInt((status ? 1 : 0)); return true; } case TRANSACTION_getMountedObbPath: { data.enforceInterface(DESCRIPTOR); String filename; filename = data.readString(); String mountedPath = getMountedObbPath(filename); reply.writeNoException(); reply.writeString(mountedPath); return true; } case TRANSACTION_isExternalStorageEmulated: { data.enforceInterface(DESCRIPTOR); boolean emulated = isExternalStorageEmulated(); reply.writeNoException(); reply.writeInt(emulated ? 1 : 0); return true; } case TRANSACTION_decryptStorage: { data.enforceInterface(DESCRIPTOR); String password = data.readString(); int result = decryptStorage(password); reply.writeNoException(); reply.writeInt(result); return true; } case TRANSACTION_encryptStorage: { data.enforceInterface(DESCRIPTOR); String password = data.readString(); int result = encryptStorage(password); reply.writeNoException(); reply.writeInt(result); return true; } case TRANSACTION_changeEncryptionPassword: { data.enforceInterface(DESCRIPTOR); String password = data.readString(); int result = changeEncryptionPassword(password); reply.writeNoException(); reply.writeInt(result); return true; } case TRANSACTION_getVolumeList: { data.enforceInterface(DESCRIPTOR); StorageVolume[] result = getVolumeList(); reply.writeNoException(); reply.writeTypedArray(result, android.os.Parcelable.PARCELABLE_WRITE_RETURN_VALUE); return true; } case TRANSACTION_getSecureContainerFilesystemPath: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); String path = getSecureContainerFilesystemPath(id); reply.writeNoException(); reply.writeString(path); return true; } case TRANSACTION_getEncryptionState: { data.enforceInterface(DESCRIPTOR); int result = getEncryptionState(); reply.writeNoException(); reply.writeInt(result); return true; } case TRANSACTION_fixPermissionsSecureContainer: { data.enforceInterface(DESCRIPTOR); String id; id = data.readString(); int gid; gid = data.readInt(); String filename; filename = data.readString(); int resultCode = fixPermissionsSecureContainer(id, gid, filename); reply.writeNoException(); reply.writeInt(resultCode); return true; } } return super.onTransact(code, data, reply, flags); } } /* * Creates a secure container with the specified parameters. Returns an int * consistent with MountServiceResultCode */ public int createSecureContainer(String id, int sizeMb, String fstype, String key, int ownerUid, boolean external) throws RemoteException; /* * Destroy a secure container, and free up all resources associated with it. * NOTE: Ensure all references are released prior to deleting. Returns an * int consistent with MountServiceResultCode */ public int destroySecureContainer(String id, boolean force) throws RemoteException; /* * Finalize a container which has just been created and populated. After * finalization, the container is immutable. Returns an int consistent with * MountServiceResultCode */ public int finalizeSecureContainer(String id) throws RemoteException; /** * Call into MountService by PackageManager to notify that its done * processing the media status update request. */ public void finishMediaUpdate() throws RemoteException; /** * Format external storage given a mount point. Returns an int consistent * with MountServiceResultCode */ public int formatVolume(String mountPoint) throws RemoteException; /** * Gets the path to the mounted Opaque Binary Blob (OBB). */ public String getMountedObbPath(String rawPath) throws RemoteException; /** * Gets an Array of currently known secure container IDs */ public String[] getSecureContainerList() throws RemoteException; /* * Returns the filesystem path of a mounted secure container. */ public String getSecureContainerPath(String id) throws RemoteException; /** * Returns an array of pids with open files on the specified path. */ public int[] getStorageUsers(String path) throws RemoteException; /** * Gets the state of a volume via its mountpoint. */ public String getVolumeState(String mountPoint) throws RemoteException; /** * Checks whether the specified Opaque Binary Blob (OBB) is mounted * somewhere. */ public boolean isObbMounted(String rawPath) throws RemoteException; /* * Returns true if the specified container is mounted */ public boolean isSecureContainerMounted(String id) throws RemoteException; /** * Returns true if a USB mass storage host is connected */ public boolean isUsbMassStorageConnected() throws RemoteException; /** * Returns true if a USB mass storage host is enabled (media is shared) */ public boolean isUsbMassStorageEnabled() throws RemoteException; /** * Mounts an Opaque Binary Blob (OBB) with the specified decryption key and * only allows the calling process's UID access to the contents. * MountService will call back to the supplied IObbActionListener to inform * it of the terminal state of the call. */ public void mountObb(String rawPath, String canonicalPath, String key, IObbActionListener token, int nonce) throws RemoteException; /* * Mount a secure container with the specified key and owner UID. Returns an * int consistent with MountServiceResultCode */ public int mountSecureContainer(String id, String key, int ownerUid) throws RemoteException; /** * Mount external storage at given mount point. Returns an int consistent * with MountServiceResultCode */ public int mountVolume(String mountPoint) throws RemoteException; /** * Registers an IMountServiceListener for receiving async notifications. */ public void registerListener(IMountServiceListener listener) throws RemoteException; /* * Rename an unmounted secure container. Returns an int consistent with * MountServiceResultCode */ public int renameSecureContainer(String oldId, String newId) throws RemoteException; /** * Enables / disables USB mass storage. The caller should check actual * status of enabling/disabling USB mass storage via StorageEventListener. */ public void setUsbMassStorageEnabled(boolean enable) throws RemoteException; /** * Shuts down the MountService and gracefully unmounts all external media. * Invokes call back once the shutdown is complete. */ public void shutdown(IMountShutdownObserver observer) throws RemoteException; /** * Unmounts an Opaque Binary Blob (OBB). When the force flag is specified, * any program using it will be forcibly killed to unmount the image. * MountService will call back to the supplied IObbActionListener to inform * it of the terminal state of the call. */ public void unmountObb(String rawPath, boolean force, IObbActionListener token, int nonce) throws RemoteException; /* * Unount a secure container. Returns an int consistent with * MountServiceResultCode */ public int unmountSecureContainer(String id, boolean force) throws RemoteException; /** * Safely unmount external storage at given mount point. The unmount is an * asynchronous operation. Applications should register StorageEventListener * for storage related status changes. * @param mountPoint the mount point * @param force whether or not to forcefully unmount it (e.g. even if programs are using this * data currently) * @param removeEncryption whether or not encryption mapping should be removed from the volume. * This value implies {@code force}. */ public void unmountVolume(String mountPoint, boolean force, boolean removeEncryption) throws RemoteException; /** * Unregisters an IMountServiceListener */ public void unregisterListener(IMountServiceListener listener) throws RemoteException; /** * Returns whether or not the external storage is emulated. */ public boolean isExternalStorageEmulated() throws RemoteException; /** The volume is not encrypted. */ static final int ENCRYPTION_STATE_NONE = 1; /** The volume has been encrypted succesfully. */ static final int ENCRYPTION_STATE_OK = 0; /** The volume is in a bad state. */ static final int ENCRYPTION_STATE_ERROR_UNKNOWN = -1; /** The volume is in a bad state - partially encrypted. Data is likely irrecoverable. */ static final int ENCRYPTION_STATE_ERROR_INCOMPLETE = -2; /** * Determines the encryption state of the volume. * @return a numerical value. See {@code ENCRYPTION_STATE_*} for possible values. */ public int getEncryptionState() throws RemoteException; /** * Decrypts any encrypted volumes. */ public int decryptStorage(String password) throws RemoteException; /** * Encrypts storage. */ public int encryptStorage(String password) throws RemoteException; /** * Changes the encryption password. */ public int changeEncryptionPassword(String password) throws RemoteException; /** * Verify the encryption password against the stored volume. This method * may only be called by the system process. */ public int verifyEncryptionPassword(String password) throws RemoteException; /** * Returns list of all mountable volumes. */ public StorageVolume[] getVolumeList() throws RemoteException; /** * Gets the path on the filesystem for the ASEC container itself. * * @param cid ASEC container ID * @return path to filesystem or {@code null} if it's not found * @throws RemoteException */ public String getSecureContainerFilesystemPath(String cid) throws RemoteException; /* * Fix permissions in a container which has just been created and populated. * Returns an int consistent with MountServiceResultCode */ public int fixPermissionsSecureContainer(String id, int gid, String filename) throws RemoteException; }