Hello,

please note that adding a development mode which can be activated (on a
temporary basis) on demand by the user (like on Android) might be an
acceptable option to help you to find a way forward.

Regards

Dominig


Le 03/11/2014 08:35, YeongKyoon Lee a écrit :
> Samsung Enterprise Portal mySingle
>
> Hi
>
> Let me explain or correct Tizen 2.x SDK ways about user account.
>
> - All the tools in 2.x SDK can access platform contents only through sdbd.
>
> - sdbd reads, writes or executes platform files as developer or root
> account according to each action, where most tools including
> Web/Native IDE, Valgrind, gdbserver, use developer account, but
> Platform IDE and some Dynamic Analyzer use root.
>
> - OProfile has been deprecated and replaced by SWAP in SDK.
>
>  
>
> I think that we need more investigation multiuser support for 3.0
> especially for the scenarios of installing/launching/debugging apps. 
>
> We, SDK team, will share the investigation results someday.
>
>  
>
> Regards,
>
> Yeongkyoon Lee
>
>  
>
> ------- *Original Message* -------
>
> *Sender* : Schaufler, Casey<[email protected]>
>
> *Date* : Oct 30, 2014 01:34 (GMT+09:00)
>
> *Title* : Re: [Dev] SDK vs multiuser and security features
>
>  
>
> > -----Original Message-----
> > From: Dev [mailto:[email protected]] On Behalf Of Liu, Alice
> > Sent: Tuesday, October 28, 2014 8:12 PM
> > To: Dominig ar Foll (Intel OTC); [email protected]
> > Cc: Ji, John; Mei, Paul
> > Subject: Re: [Dev] SDK vs multiuser and security features
> >
> >
> > Hi,
> >
> > Let me raise two SDK specific issues. It may bring us more thinking
> about SDK
> > user and security features.
>
> You appear to be requesting that the SDK environment be
> different from the production environment. I don't have a
> problem with that, but we need to be clear that the basic
> system behavior has to meet our production security
> requirements. The SDK may choose to change some of
> the system behavior to make for a better developer
> experience.
>
> > 1. Currently journal log only can be accessed by 'root' user, other
> users
> > including 'app' user cannot access it. But as SDK developers, they
> need to get
> > some log such as web application console log or even system level log to
> > address the causes once running applications failed.
>
> Controlling access to the system logs is a basic security
> requirement. It would be easy enough to provide a service
> in the SDK environment to allow access to the logs, but
> it cannot go into the base system.
>
> > 2. Some native apps' debugging tools such as gdbserver, oprofile and
> valgrind
> > need a specific privilege to run. I am not sure in Tizen 3, what
> privilege it
> > needs. It may need to access some kernel device nodes. I concern if
> 'app'
> > user has the privilege to access kernel device node.
> > Although currently IVI SDK doesn't support native apps(I am not sure
> if IVI
> > SDK also need to support native apps in future). It is a key issue
> for Tizen
> > SDK(including mobile SDK, wearable SDK, or others).
>
> What did you have to do in a special way for Tizen 2?
>
>
> > Thanks.
> > Best regards,
> > Alice
> >
> > -----Original Message-----
> > From: Dev [mailto:[email protected]] On Behalf Of Dominig
> ar Foll
> > (Intel OTC)
> > Sent: Tuesday, October 28, 2014 9:39 PM
> > To: [email protected]
> > Subject: [Dev] SDK vs multiuser and security features
> >
> > Hello;
> >
> > We have recently seen a set of bugs raised due to side effect of the SDK
> > mode of operation based on tizen 2 but used on Tizen 3.
> > I would like to invite the SDK architects to express their view on
> the transfer
> > from Tizen 2 to 3 operation mode and how they propose to update the SDK.
> >
> > I see few changes that will need to happen in order for the SDK to
> operate
> > with Tizen 3 and we should address them soon rather than later.
> > They might be more.
> >
> >   - user App is going away. So no cross profile assumption on a
> default user ID
> > can be made any more. The SDK will have to connect as a real valid user.
> >   - security and data privacy enforcement cannot be turned off and
> so faking
> > user ID will not work.
> >   - Security features are linked to the Kernel which is 3.14, and so
> the SDK
> > should be aligned. It should run with security "on".
> >   - sdb mode of operation is a security back door which needs to be
> fixed (or
> > replaced)
> >
> > It would be great to get a Wiki page created with your proposed model.
> >
> > Regards
> >
> > --
> > Dominig ar Foll
> > Senior Software Architect
> > Open Source Technology Centre
> > Intel SSG
> >
> > _______________________________________________
> > Dev mailing list
> > [email protected]
> > https://lists.tizen.org/listinfo/dev
> > _______________________________________________
> > Dev mailing list
> > [email protected]
> > https://lists.tizen.org/listinfo/dev
> _______________________________________________
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>

-- 
Dominig ar Foll
Senior Software Architect
Intel Open Source Technology Centre

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