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Date:      Wed, 07 Jun 2006 01:05:54 +0100
From:      Florent Thoumie <flz@FreeBSD.org>
To:        Dirk Engling <erdgeist@erdgeist.org>
Cc:        matteo@FreeBSD.org, freebsd-rc <freebsd-rc@freebsd.org>, deyan.dyankov@gmail.com
Subject:   Re: New feature exec_afterstart
Message-ID:  <1149638754.7125.8.camel@localhost>
In-Reply-To: <448604F0.9070406@erdgeist.org>
References:  <448604F0.9070406@erdgeist.org>

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On Wed, 2006-06-07 at 00:42 +0200, Dirk Engling wrote:
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>=20
> Hello,
>=20
> while incorporating some of the jail options grouping stuff into
> /etc/rc.d/jail I noticed the introduction of a new feature called
> "exec_afterstart".
>=20
> This has not been discussed here on list but yet was introduced in 1.34
> and is going to be MFCed somewhere around soon.
>=20
> When googling around I found this:
> http://www.freebsd.org/cgi/query-pr.cgi?pr=3D97697
>=20
> I do not see, what this approach yields that cannot simply be
> accomplished by a second jail on the same jailroot/IP-combination,
> correct me, if I am wrong. Further I can not see, what /bin/sh
> introduces in terms of system (in)security that will not happen to you
> if you have syscalls.

The /bin/sh thing seemed discutable to me but I didn't investigate
enough to ask for backout.

> The patch introduces the same ugly enumeration style that already sucks
> in the ifconfig rc script and should be deprecated. Correct me, if I am
> wrong.
>=20
> So I'd strongly vote to not to MFC but rather remove this feature.

It still can be discussed now.

> Btw.: Where do these kinds of discussions normally take place? I mean
> before things are committed.

Here and in gnats. See conf and rc PRs.

PS: Matteo and submitter CC'ed.

--=20
Florent Thoumie
flz@FreeBSD.org
FreeBSD Committer

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