Resolving resources across users.
When an intent is sent to another profile:
For content uris contained in this intent:
The userId of the source user is added to the userInfo part.
The ActivityManagerService has been modified to resolve resources in the user specified by the uri.
The user id to which the uri belongs to is stored in the UriPermission.
Change-Id: I43dc76895aba692bf148d276253aeaf9c75fce34
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 57da21e..263a675 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -1113,7 +1113,8 @@
int pid = data.readInt();
int uid = data.readInt();
int mode = data.readInt();
- int res = checkUriPermission(uri, pid, uid, mode);
+ int userId = data.readInt();
+ int res = checkUriPermission(uri, pid, uid, mode, userId);
reply.writeNoException();
reply.writeInt(res);
return true;
@@ -1138,7 +1139,8 @@
String targetPkg = data.readString();
Uri uri = Uri.CREATOR.createFromParcel(data);
int mode = data.readInt();
- grantUriPermission(app, targetPkg, uri, mode);
+ int userId = data.readInt();
+ grantUriPermission(app, targetPkg, uri, mode, userId);
reply.writeNoException();
return true;
}
@@ -1149,7 +1151,8 @@
IApplicationThread app = ApplicationThreadNative.asInterface(b);
Uri uri = Uri.CREATOR.createFromParcel(data);
int mode = data.readInt();
- revokeUriPermission(app, uri, mode);
+ int userId = data.readInt();
+ revokeUriPermission(app, uri, mode, userId);
reply.writeNoException();
return true;
}
@@ -1158,7 +1161,8 @@
data.enforceInterface(IActivityManager.descriptor);
Uri uri = Uri.CREATOR.createFromParcel(data);
int mode = data.readInt();
- takePersistableUriPermission(uri, mode);
+ int userId = data.readInt();
+ takePersistableUriPermission(uri, mode, userId);
reply.writeNoException();
return true;
}
@@ -1167,7 +1171,8 @@
data.enforceInterface(IActivityManager.descriptor);
Uri uri = Uri.CREATOR.createFromParcel(data);
int mode = data.readInt();
- releasePersistableUriPermission(uri, mode);
+ int userId = data.readInt();
+ releasePersistableUriPermission(uri, mode, userId);
reply.writeNoException();
return true;
}
@@ -1601,7 +1606,8 @@
String targetPkg = data.readString();
Uri uri = Uri.CREATOR.createFromParcel(data);
int mode = data.readInt();
- grantUriPermissionFromOwner(owner, fromUid, targetPkg, uri, mode);
+ int userId = data.readInt();
+ grantUriPermissionFromOwner(owner, fromUid, targetPkg, uri, mode, userId);
reply.writeNoException();
return true;
}
@@ -1611,10 +1617,11 @@
IBinder owner = data.readStrongBinder();
Uri uri = null;
if (data.readInt() != 0) {
- Uri.CREATOR.createFromParcel(data);
+ uri = Uri.CREATOR.createFromParcel(data);
}
int mode = data.readInt();
- revokeUriPermissionFromOwner(owner, uri, mode);
+ int userId = data.readInt();
+ revokeUriPermissionFromOwner(owner, uri, mode, userId);
reply.writeNoException();
return true;
}
@@ -1625,7 +1632,8 @@
String targetPkg = data.readString();
Uri uri = Uri.CREATOR.createFromParcel(data);
int modeFlags = data.readInt();
- int res = checkGrantUriPermission(callingUid, targetPkg, uri, modeFlags);
+ int userId = data.readInt();
+ int res = checkGrantUriPermission(callingUid, targetPkg, uri, modeFlags, userId);
reply.writeNoException();
reply.writeInt(res);
return true;
@@ -3543,7 +3551,7 @@
reply.recycle();
return res;
}
- public int checkUriPermission(Uri uri, int pid, int uid, int mode)
+ public int checkUriPermission(Uri uri, int pid, int uid, int mode, int userId)
throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
@@ -3552,6 +3560,7 @@
data.writeInt(pid);
data.writeInt(uid);
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(CHECK_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
int res = reply.readInt();
@@ -3560,7 +3569,7 @@
return res;
}
public void grantUriPermission(IApplicationThread caller, String targetPkg,
- Uri uri, int mode) throws RemoteException {
+ Uri uri, int mode, int userId) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
@@ -3568,19 +3577,21 @@
data.writeString(targetPkg);
uri.writeToParcel(data, 0);
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(GRANT_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
data.recycle();
reply.recycle();
}
public void revokeUriPermission(IApplicationThread caller, Uri uri,
- int mode) throws RemoteException {
+ int mode, int userId) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
data.writeStrongBinder(caller.asBinder());
uri.writeToParcel(data, 0);
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(REVOKE_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
data.recycle();
@@ -3588,12 +3599,14 @@
}
@Override
- public void takePersistableUriPermission(Uri uri, int mode) throws RemoteException {
+ public void takePersistableUriPermission(Uri uri, int mode, int userId)
+ throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
uri.writeToParcel(data, 0);
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(TAKE_PERSISTABLE_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
data.recycle();
@@ -3601,12 +3614,14 @@
}
@Override
- public void releasePersistableUriPermission(Uri uri, int mode) throws RemoteException {
+ public void releasePersistableUriPermission(Uri uri, int mode, int userId)
+ throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
uri.writeToParcel(data, 0);
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(RELEASE_PERSISTABLE_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
data.recycle();
@@ -4160,7 +4175,7 @@
}
public void grantUriPermissionFromOwner(IBinder owner, int fromUid, String targetPkg,
- Uri uri, int mode) throws RemoteException {
+ Uri uri, int mode, int userId) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
@@ -4169,6 +4184,7 @@
data.writeString(targetPkg);
uri.writeToParcel(data, 0);
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(GRANT_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
data.recycle();
@@ -4176,7 +4192,7 @@
}
public void revokeUriPermissionFromOwner(IBinder owner, Uri uri,
- int mode) throws RemoteException {
+ int mode, int userId) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
@@ -4188,6 +4204,7 @@
data.writeInt(0);
}
data.writeInt(mode);
+ data.writeInt(userId);
mRemote.transact(REVOKE_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
data.recycle();
@@ -4195,7 +4212,7 @@
}
public int checkGrantUriPermission(int callingUid, String targetPkg,
- Uri uri, int modeFlags) throws RemoteException {
+ Uri uri, int modeFlags, int userId) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
data.writeInterfaceToken(IActivityManager.descriptor);
@@ -4203,6 +4220,7 @@
data.writeString(targetPkg);
uri.writeToParcel(data, 0);
data.writeInt(modeFlags);
+ data.writeInt(userId);
mRemote.transact(CHECK_GRANT_URI_PERMISSION_TRANSACTION, data, reply, 0);
reply.readException();
int res = reply.readInt();