From: milki <milki@rescomp.berkeley.edu>
Date: Sat, 10 May 2014 17:32:26 GMT
Subject: Re: optimising a push by fetching objects from nearby repos
Message-ID: <20140510173226.GA27483@hal.rescomp.berkeley.edu>
In-Reply-To: <20140510172338.GB45511@vauxhall.crustytoothpaste.net>

On 17:23 Sat 10 May     , brian m. carlson wrote:
> I don't believe this is possible.  There has been some discussion on
> related matters at least fairly recently, though.
> 
> Part of the reason nobody has implemented this is because it exposes
> additional security concerns.  If I create a commit that references an
> object I don't own, but is in someone else's repository, this feature
> could allow me to gain access to objects which I shouldn't have access
> to unless the authentication and permissions layer is very, very
> careful.  This would make many very simple HTTPS and SSH setups much
> more complex.  Alternates don't have this problem because they're done
> server-side.

If this were implemented service side and specified with, say, a config
option, would this security concern go away?

-- 
milki