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-rw-r--r--core/java/android/content/pm/IPackageManager.aidl3
-rw-r--r--core/java/android/os/storage/IMountService.java41
-rw-r--r--core/java/android/os/storage/MountServiceInternal.java82
-rw-r--r--core/java/android/os/storage/StorageManager.java14
-rw-r--r--core/java/android/os/storage/VolumeInfo.java6
5 files changed, 98 insertions, 48 deletions
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 103ee29..ceb610a 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -502,9 +502,6 @@ interface IPackageManager {
void addOnPermissionsChangeListener(in IOnPermissionsChangeListener listener);
void removeOnPermissionsChangeListener(in IOnPermissionsChangeListener listener);
-
- int getMountExternalMode(int uid);
-
void grantDefaultPermissionsToEnabledCarrierApps(in String[] packageNames, int userId);
boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId);
diff --git a/core/java/android/os/storage/IMountService.java b/core/java/android/os/storage/IMountService.java
index 84a879c..c3b098b 100644
--- a/core/java/android/os/storage/IMountService.java
+++ b/core/java/android/os/storage/IMountService.java
@@ -758,13 +758,15 @@ public interface IMountService extends IInterface {
return _result;
}
- public StorageVolume[] getVolumeList(int userId) throws RemoteException {
+ public StorageVolume[] getVolumeList(int uid, String packageName)
+ throws RemoteException {
Parcel _data = Parcel.obtain();
Parcel _reply = Parcel.obtain();
StorageVolume[] _result;
try {
_data.writeInterfaceToken(DESCRIPTOR);
- _data.writeInt(userId);
+ _data.writeInt(uid);
+ _data.writeString(packageName);
mRemote.transact(Stub.TRANSACTION_getVolumeList, _data, _reply, 0);
_reply.readException();
_result = _reply.createTypedArray(StorageVolume.CREATOR);
@@ -1177,21 +1179,6 @@ public interface IMountService extends IInterface {
_data.recycle();
}
}
-
- @Override
- public void remountUid(int uid) throws RemoteException {
- Parcel _data = Parcel.obtain();
- Parcel _reply = Parcel.obtain();
- try {
- _data.writeInterfaceToken(DESCRIPTOR);
- _data.writeInt(uid);
- mRemote.transact(Stub.TRANSACTION_remountUid, _data, _reply, 0);
- _reply.readException();
- } finally {
- _reply.recycle();
- _data.recycle();
- }
- }
}
private static final String DESCRIPTOR = "IMountService";
@@ -1307,8 +1294,6 @@ public interface IMountService extends IInterface {
static final int TRANSACTION_benchmark = IBinder.FIRST_CALL_TRANSACTION + 59;
static final int TRANSACTION_setDebugFlags = IBinder.FIRST_CALL_TRANSACTION + 60;
- static final int TRANSACTION_remountUid = IBinder.FIRST_CALL_TRANSACTION + 61;
-
/**
* Cast an IBinder object into an IMountService interface, generating a
* proxy if needed.
@@ -1622,8 +1607,9 @@ public interface IMountService extends IInterface {
}
case TRANSACTION_getVolumeList: {
data.enforceInterface(DESCRIPTOR);
- int userId = data.readInt();
- StorageVolume[] result = getVolumeList(userId);
+ int uid = data.readInt();
+ String packageName = data.readString();
+ StorageVolume[] result = getVolumeList(uid, packageName);
reply.writeNoException();
reply.writeTypedArray(result, android.os.Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
return true;
@@ -1862,13 +1848,6 @@ public interface IMountService extends IInterface {
reply.writeNoException();
return true;
}
- case TRANSACTION_remountUid: {
- data.enforceInterface(DESCRIPTOR);
- int uid = data.readInt();
- remountUid(uid);
- reply.writeNoException();
- return true;
- }
}
return super.onTransact(code, data, reply, flags);
}
@@ -2080,11 +2059,11 @@ public interface IMountService extends IInterface {
/**
* Returns list of all mountable volumes.
*/
- public StorageVolume[] getVolumeList(int userId) throws RemoteException;
+ public StorageVolume[] getVolumeList(int uid, String packageName) 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
@@ -2178,6 +2157,4 @@ public interface IMountService extends IInterface {
public String getPrimaryStorageUuid() throws RemoteException;
public void setPrimaryStorageUuid(String volumeUuid, IPackageMoveObserver callback)
throws RemoteException;
-
- public void remountUid(int uid) throws RemoteException;
}
diff --git a/core/java/android/os/storage/MountServiceInternal.java b/core/java/android/os/storage/MountServiceInternal.java
new file mode 100644
index 0000000..17aaef9
--- /dev/null
+++ b/core/java/android/os/storage/MountServiceInternal.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2015 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;
+
+/**
+ * Mount service local interface.
+ *
+ * @hide Only for use within the system server.
+ */
+public abstract class MountServiceInternal {
+
+ /**
+ * Policy that influences how external storage is mounted and reported.
+ */
+ public interface ExternalStorageMountPolicy {
+ /**
+ * Gets the external storage mount mode for the given uid.
+ *
+ * @param uid The UID for which to determine mount mode.
+ * @param packageName The package in the UID for making the call.
+ * @return The mount mode.
+ *
+ * @see com.android.internal.os.Zygote#MOUNT_EXTERNAL_NONE
+ * @see com.android.internal.os.Zygote#MOUNT_EXTERNAL_DEFAULT
+ * @see com.android.internal.os.Zygote#MOUNT_EXTERNAL_READ
+ * @see com.android.internal.os.Zygote#MOUNT_EXTERNAL_WRITE
+ */
+ public int getMountMode(int uid, String packageName);
+
+ /**
+ * Gets whether external storage should be reported to the given UID.
+ *
+ * @param uid The UID for which to determine whether it has external storage.
+ * @param packageName The package in the UID for making the call.
+ * @return Weather to report external storage.
+ * @return True to report the state of external storage, false to
+ * report it as unmounted.
+ */
+ public boolean hasExternalStorage(int uid, String packageName);
+ }
+
+ /**
+ * Adds a policy for determining how external storage is mounted and reported.
+ * The mount mode is the most conservative result from querying all registered
+ * policies. Similarly, the reported state is the most conservative result from
+ * querying all registered policies.
+ *
+ * @param policy The policy to add.
+ */
+ public abstract void addExternalStoragePolicy(ExternalStorageMountPolicy policy);
+
+ /**
+ * Notify the mount service that the mount policy for a UID changed.
+ * @param uid The UID for which policy changed.
+ * @param packageName The package in the UID for making the call.
+ */
+ public abstract void onExternalStoragePolicyChanged(int uid, String packageName);
+
+ /**
+ * Gets the mount mode to use for a given UID as determined by consultin all
+ * policies.
+ *
+ * @param uid The UID for which to get mount mode.
+ * @param packageName The package in the UID for making the call.
+ * @return The mount mode.
+ */
+ public abstract int getExternalStorageMountMode(int uid, String packageName);
+}
diff --git a/core/java/android/os/storage/StorageManager.java b/core/java/android/os/storage/StorageManager.java
index f03e04e..140f317 100644
--- a/core/java/android/os/storage/StorageManager.java
+++ b/core/java/android/os/storage/StorageManager.java
@@ -20,6 +20,7 @@ import static android.net.TrafficStats.MB_IN_BYTES;
import android.annotation.NonNull;
import android.annotation.Nullable;
+import android.app.ActivityThread;
import android.content.ContentResolver;
import android.content.Context;
import android.content.pm.IPackageMoveObserver;
@@ -857,7 +858,9 @@ public class StorageManager {
final IMountService mountService = IMountService.Stub.asInterface(
ServiceManager.getService("mount"));
try {
- return mountService.getVolumeList(userId);
+ final String packageName = ActivityThread.currentOpPackageName();
+ final int uid = ActivityThread.getPackageManager().getPackageUid(packageName, userId);
+ return mountService.getVolumeList(uid, packageName);
} catch (RemoteException e) {
throw e.rethrowAsRuntimeException();
}
@@ -894,15 +897,6 @@ public class StorageManager {
}
/** {@hide} */
- public void remountUid(int uid) {
- try {
- mMountService.remountUid(uid);
- } catch (RemoteException e) {
- throw e.rethrowAsRuntimeException();
- }
- }
-
- /** {@hide} */
private static final int DEFAULT_THRESHOLD_PERCENTAGE = 10;
private static final long DEFAULT_THRESHOLD_MAX_BYTES = 500 * MB_IN_BYTES;
private static final long DEFAULT_FULL_THRESHOLD_BYTES = MB_IN_BYTES;
diff --git a/core/java/android/os/storage/VolumeInfo.java b/core/java/android/os/storage/VolumeInfo.java
index 32f7bc9..8d603a1 100644
--- a/core/java/android/os/storage/VolumeInfo.java
+++ b/core/java/android/os/storage/VolumeInfo.java
@@ -298,14 +298,14 @@ public class VolumeInfo implements Parcelable {
}
}
- public StorageVolume buildStorageVolume(Context context, int userId) {
+ public StorageVolume buildStorageVolume(Context context, int userId, boolean reportUnmounted) {
final StorageManager storage = context.getSystemService(StorageManager.class);
final boolean removable;
final boolean emulated;
final boolean allowMassStorage = false;
- final String envState = getEnvironmentForState(state);
-
+ final String envState = reportUnmounted
+ ? Environment.MEDIA_UNMOUNTED : getEnvironmentForState(state);
File userPath = getPathForUser(userId);
if (userPath == null) {
userPath = new File("/dev/null");
generated by cgit v1.1 at 2025-08-15 07:20:31 +0000