From: Jonathan Nieder <jrnieder@gmail.com>
To: Stefan Beller <sbeller@google.com>
Cc: Brandon Williams <bmwill@google.com>, Jeff King <peff@peff.net>,
git <git@vger.kernel.org>
Subject: Re: [PATCH 2/2] submodule: munge paths to submodule git directories
Date: Tue, 14 Aug 2018 14:12:11 -0700 [thread overview]
Message-ID: <20180814211211.GF142615@aiede.svl.corp.google.com> (raw)
In-Reply-To: <CAGZ79kZUq5jPqyb=B1ppEi1QhNGmhLXeV6vPn8ouR=YGEN32pg@mail.gmail.com>
Hi,
Stefan Beller wrote:
> On Tue, Aug 14, 2018 at 11:57 AM Jonathan Nieder <jrnieder@gmail.com> wrote:
>> Second, what if we store the pathname in config? We already store the
>> URL there:
>>
>> [submodule "plugins/hooks"]
>> url = https://gerrit.googlesource.com/plugins/hooks
>>
>> So we could (as a followup patch) do something like
>>
>> [submodule "plugins/hooks"]
>> url = https://gerrit.googlesource.com/plugins/hooks
>> gitdirname = plugins%2fhooks
>>
>> and use that for lookups instead of regenerating the directory name.
>> What do you think?
>
> As I just looked at worktree code, this sounds intriguing for the wrong
> reason (again), as a user may want to point the gitdirname to a repository
> that they have already on disk outside the actual superproject. They
> would be reinventing worktrees in the submodule space. ;-)
>
> This would open up the security hole that we just had, again.
> So we'd have to make sure that the gitdirname (instead of the
> now meaningless subsection name) is proof to ../ attacks.
>
> I feel uneasy about this as then the user might come in
> and move submodules and repoint the gitdirname...
> to a not url encoded path. Exposing this knob just
> asks for trouble, no?
What if we forbid directory separator characters in the gitdirname?
[...]
> What would happen if gitdirname is changed as part of
> history? (The same problem we have now with changing
> the subsection name)
In this proposal, it would only be read from config, not from
.gitmodules.
Thanks,
Jonathan
next prev parent reply other threads:[~2018-08-14 21:12 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-07 23:06 [RFC] submodule: munge paths to submodule git directories Brandon Williams
2018-08-07 23:25 ` Jonathan Nieder
2018-08-08 0:14 ` Junio C Hamano
2018-08-08 22:33 ` [PATCH 0/2] munge submodule names Brandon Williams
2018-08-08 22:33 ` [PATCH 1/2] submodule: create helper to build paths to submodule gitdirs Brandon Williams
2018-08-08 23:21 ` Stefan Beller
2018-08-09 0:45 ` Brandon Williams
2018-08-10 21:27 ` Junio C Hamano
2018-08-10 21:45 ` Brandon Williams
2018-08-08 22:33 ` [PATCH 2/2] submodule: munge paths to submodule git directories Brandon Williams
2018-08-09 21:26 ` Jeff King
2018-08-14 18:04 ` Brandon Williams
2018-08-14 18:57 ` Jonathan Nieder
2018-08-14 21:08 ` Stefan Beller
2018-08-14 21:12 ` Jonathan Nieder [this message]
2018-08-14 22:34 ` Stefan Beller
2018-08-16 2:34 ` Jonathan Nieder
2018-08-16 2:39 ` Stefan Beller
2018-08-16 2:47 ` Jonathan Nieder
2018-08-16 17:34 ` Brandon Williams
2018-08-16 18:19 ` [PATCH] submodule: add config for where gitdirs are located Brandon Williams
2018-08-20 22:03 ` Junio C Hamano
2018-08-16 15:07 ` [PATCH 2/2] submodule: munge paths to submodule git directories Junio C Hamano
2018-08-14 18:58 ` Jeff King
2018-08-28 21:35 ` Stefan Beller
2018-08-29 5:25 ` Jeff King
2018-08-29 18:10 ` Stefan Beller
2018-08-29 21:03 ` Jeff King
2018-08-29 21:10 ` Stefan Beller
2018-08-29 21:18 ` Jonathan Nieder
2018-08-29 21:27 ` Stefan Beller
2018-08-29 21:30 ` Jeff King
2018-08-29 21:09 ` Jonathan Nieder
2018-08-29 21:14 ` Stefan Beller
2018-08-29 21:25 ` Brandon Williams
2018-08-29 21:32 ` Jeff King
2018-08-16 0:19 ` Aaron Schrab
2019-01-15 1:25 ` [RFC] " Jonathan Nieder
2019-01-17 17:32 ` Jeff King
2019-01-17 17:57 ` Stefan Beller
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