EDIT: of course, I meant security-manager, NOT security-server ;-)

 
Tomasz Świerczek
Samsung R&D Institute Poland
Samsung Electronics
Office +48 22 377 95 59
Cell +48 503 135 021
[email protected]


-----Original Message-----
From: Dev [mailto:[email protected]] On Behalf Of Tomasz Swierczek
Sent: Thursday, November 20, 2014 10:12 AM
To: Rafal Krypa; 'Corentin Lecouvey'; [email protected]
Subject: Re: [Dev] transferring files from and to a service

Okay, so if this is the usecase, then we need to have, like I mentioned, the
mv_chmod_chown() API in security-server PLUS some way of authorizing this
action (ie. guard it with http://tizen.org/privilege/system like it was
proposed or some other, more precise privilege, allowed only for
system-level things).


@Rafal, Casey, others - what is your opinion?


BRs,


 
Tomasz Świerczek
Samsung R&D Institute Poland
Samsung Electronics
Office +48 22 377 95 59
Cell +48 503 135 021
[email protected]


-----Original Message-----
From: Dev [mailto:[email protected]] On Behalf Of Corentin
Lecouvey
Sent: Thursday, November 20, 2014 10:06 AM
To: [email protected]
Subject: Re: [Dev] transferring files from and to a service

Hi Tomasz,

Good to hear that security-manager has so much power.

When receiving a file over bluetooth, it will be received in a 
"bluetooth" user folder as obexd will be run as "bluetooth".
The point then is to move the received file to the targeted user 
download folder with the user ownership and permissions.
We will need the security-manager help to do that.

>   
> +1.
>
> Security-Manager already has "power" to re-label files, so
chmod/chown/mv/DAC_OVERRIDE will not be any extension to its (already high)
capabilities.
>
> In the tandem <Security-Manager (SM), Bluetooth service (BT), The app
(APP)> probably Bluetooth would want to create file on its own to be able to
fill its contents quickly. Questions to be answered:
>
> 1) when the file needs to be shown to the application?
The file can be shown after the file has been transferred in the user 
download folder.

> 2) (follow-up) where should it be initially created: some BT-private
directory where BT can fill its contents and then move+chmod+chown OR
already the original destination (known & accessible to APP))
I think the easiest way is the first proposal: receive the file in 
"bluetooth" user provate directory and then move thanks to 
security-manager to the right user directory.

> 3) or, do we want to let SM expose API that manages files somehow and then
mv/chmod/chown it? If yes, this means using custom SM API in Bluetooth for
even bigger extent than just simple move_and_chmod_and_chown() call.
I think if SM offers a move_and_chmod_and_chown() API, it could be 
sufficient but I may wrong.

Thanks and regards,
Corentin
>
>
> BRs,
>
> Tomasz
>
> _______________________________________________
> Dev mailing list
> [email protected]
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