[sugar] Initial Security Patches

[Noah Kantrowitz]

Our rough idea was to say unsigned activities can't talk to each  
other. signed<->* and sugar<->* would still be allowed though. Should  
be enough to stop the most flagrant issues, while still allowing  
interesting uses of DBus.

--Noah

On Jul 31, 2007, at 5:26 PM, Marco Pesenti Gritti wrote:

>>> 2 Activities lose the ability to provide services, which might be
>>> useful for direct interaction between activities. Ex. Write activity
>>> getting an image from the Camera activity.
>>
>> Noah has thought more about this issue than I have, since he has been
>> working to improve our the state of our messaging security. In the  
>> mean
>> time, however, while I begin to ponder it, is there any list of
>> inter-activity relationships that already exist at the present  
>> time? Or
>> any discussion of proposed relationships?
>
> Well, it's mostly a theoretical  concern. Right now we don't have any
> of such relationships.  I just fear it might be a problem as the
> system matures...
>
> Marco
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