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Date:      Sun, 10 Jul 2011 01:22:20 +0300
From:      Gleb Kurtsou <gleb.kurtsou@gmail.com>
To:        Gabor Kovesdan <gabor@FreeBSD.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Capsicum project: Ideas needed
Message-ID:  <20110709222220.GA82930@tops>
In-Reply-To: <4E186B89.8080003@FreeBSD.org>
References:  <4E167C94.70300@kibab.com> <iv6ss5$1h5$1@dough.gmane.org> <4E186B89.8080003@FreeBSD.org>

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On (09/07/2011 15:54), Gabor Kovesdan wrote:
> Em 08-07-2011 13:23, Ivan Voras escreveu:
> > On 08/07/2011 05:42, Ilya Bakulin wrote:
> >> Hi hackers,
> >> As a part of ongoing effort to enhance usage of Capsicum in FreeBSD base
> >> system, I want to ask you, which applications in the base system should
> >> receive sandboxing support.
> >
> > How about a small description what sandboxing can bring to applications?
> >
> > I'm browsing the documents at 
> > http://www.cl.cam.ac.uk/research/security/capsicum/documentation.html 
> > but it looks like it still mostly describes the generic framework 
> > rather than what you can do with it. From it, it looks like you can 
> > set limits on file handle operations (e.g. (lc_limitfd(STDOUT_FILENO, 
> > CAP_FSTAT | CAP_SEEK | CAP_WRITE)), but what else?
> Yes, I've been reading the thread and I don't know either what are the 
> deliverables of a Capsicum sandbox.
> 
> Anyway, consider sendmail and BIND. I think these are important enough 
> to get some more protection.
Both sendmail and bind are very complicated peaces of software. I thinks
it would be necessary to split them up into several independent daemons
first and than place each into capsicum sandbox. Privilege separation
makes sshd a better condidate here (sshd is already sandboxed).

I'd really like to see lwresd sandboxed and enabled by default, ntpdate
may also be a good candidate but it's not that important.

> 
> Gabor
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