From: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
To: Shawn Pearce <spearce@spearce.org>
Cc: Jeff King <peff@peff.net>, Junio C Hamano <gitster@pobox.com>,
Michael J Gruber <git@drmicha.warpmail.net>,
git@vger.kernel.org
Subject: Re: Dropping '+' from fetch = +refs/heads/*:refs/remotes/origin/*?
Date: Tue, 06 Sep 2011 09:39:05 +0200 [thread overview]
Message-ID: <vpqvct69l2e.fsf@bauges.imag.fr> (raw)
In-Reply-To: <CAJo=hJtuUe1ajjW9dNU4JzjE+P94a42W7ZvC+iQBQTeGXVvS8Q@mail.gmail.com> (Shawn Pearce's message of "Mon, 5 Sep 2011 11:15:26 -0700")
Shawn Pearce <spearce@spearce.org> writes:
> Again, the repository owner would notice on their next push, and
> notify people the repository is not to be trusted.
For simple attack, yes. But if the server is compromised, you can't
trust it anymore to error out on non-fast-forward. I don't think it
would be very complex to write a modified Git server that would come
back to the official history before a push, and re-introduce faulty
commits right after. pushers wouldn't notice, and fetchers would get
compromised history.
OTOH, non-fast-forward fetches can be reliably detected client-side, and
I like being able to think "whatever the server does, I don't care
because I'm using Git".
--
Matthieu Moy
http://www-verimag.imag.fr/~moy/
next prev parent reply other threads:[~2011-09-06 7:39 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-01 18:25 Dropping '+' from fetch = +refs/heads/*:refs/remotes/origin/*? Junio C Hamano
2011-09-01 18:39 ` Junio C Hamano
2011-09-01 19:14 ` Shawn Pearce
2011-09-01 19:20 ` Michael J Gruber
2011-09-01 19:35 ` Matthieu Moy
2011-09-01 19:50 ` Shawn Pearce
2011-09-02 5:55 ` Matthieu Moy
2011-09-02 0:00 ` Jeff King
2011-09-02 7:00 ` Johannes Sixt
2011-09-02 15:26 ` Jeff King
2011-09-02 7:42 ` Michael J Gruber
2011-09-02 15:29 ` Jeff King
2011-09-02 16:14 ` Junio C Hamano
2011-09-02 16:25 ` Jeff King
2011-09-02 16:47 ` Junio C Hamano
2011-09-05 18:15 ` Shawn Pearce
2011-09-05 20:47 ` Jeff King
2011-09-05 20:53 ` Shawn Pearce
2011-09-05 20:57 ` Jeff King
2011-09-05 21:14 ` Shawn Pearce
2011-09-07 21:20 ` [RFC/PATCH] fetch: bigger forced-update warnings Jeff King
2011-09-07 21:39 ` Shawn Pearce
2011-09-07 21:53 ` Junio C Hamano
2011-09-07 21:57 ` Jeff King
2011-09-07 22:42 ` Thomas Rast
2011-09-06 7:39 ` Matthieu Moy [this message]
2011-09-06 7:51 ` Dropping '+' from fetch = +refs/heads/*:refs/remotes/origin/*? Michael J Gruber
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