[Dev] enforcing priviliges of web apps

Lukasz Wojciechowski l.wojciechow at partner.samsung.com
Thu May 15 09:26:31 GMT 2014

W dniu 2014-05-15 10:55, Zhang, Xu U pisze:
>> -----Original Message-----
>> From: Dev [mailto:dev-bounces at lists.tizen.org] On Behalf Of Patrick Ohly
>> Sent: Wednesday, May 14, 2014 11:02 PM
>> To: Jussi Laako
>> Cc: dev at lists.tizen.org
>> Subject: Re: [Dev] enforcing priviliges of web apps
>> On Wed, 2014-05-14 at 17:41 +0300, Jussi Laako wrote:
>>> On 14.5.2014 17:06, Patrick Ohly wrote:
>>>> The problem remains that the current D-Bus mechanism does not allow
>>>> passing this extra information.
>>> We just included appctx as part of our dbus API.
>> That works because you have full control over the D-Bus API. It does not work
>> when trying to add access control to an existing API, because it would break
>> the API for apps already using it.
>> At the moment, the patched dbus-daemon will tell clients when (and only
>> when) they ask what the application context of a certain peer is (via
>> GetConnectionSmackContext). This information is not part of the message
>> itself. I don't know how extensible the on-the-wire D-Bus message format is.
>> Perhaps it would be possible to extend the header such that the extra
>> information can be added without affecting parsing by D-Bus clients which are
>> not aware of this extension.
>> This does not address the file access issues pointed out by Rafał, which IMHO
>> is the bigger issue.
>> My feeling at the moment is that several interested bystanders (me
>> included) speculate about how Crosswalk could be secured, but do we have the
>> actual decision makers and implementers involved, too? Who owns security of
>> the web runtime?
> [Zhang Xu ] Patrick, Bai (who has left Intel) and I have designed crosswalk API permission control. The doc is here https://docs.google.com/a/intel.com/document/d/137u_gxmNaIFwVzaCkCFBJyveIdZxuAydWOkMI8oWgD0/edit
> and the implementation is done. I am informed that all web device APIs implementation should use Cynara’s service API directly. So the design will be dropped from web runtime side.
> I will implement crosswalk runtime security issues.
Intel account is required to access linked page. :(
Could You share the document somehow ?
>> --
>> Best Regards, Patrick Ohly
>> The content of this message is my personal opinion only and although I am an
>> employee of Intel, the statements I make here in no way represent Intel's
>> position on the issue, nor am I authorized to speak on behalf of Intel on this
>> matter.
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