From: David Newall <david@davidnewall.com>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 1/2] [RFC] Simple tamper-proof device filesystem.
Date: Sun, 16 Dec 2007 22:01:20 +1030 [thread overview]
Message-ID: <47650C88.6040105@davidnewall.com> (raw)
In-Reply-To: <200712162026.BFJ01924.tOFJSFOQMVHOLF@I-love.SAKURA.ne.jp>
Tetsuo Handa wrote:
> David Newall wrote:
>
>> Tetsuo Handa wrote:
>>
>>> /dev needs to be writable, but this means that files on /dev might be
>>> tampered with.
>>>
>> I infer that you mean /dev needs to be writable by anyone, not by just
>> its owner or owner and group (conventionally root/root.) This goes
>> against conventional wisdom, which is that /dev must be writable only by
>> the administrator. Why do you say otherwise?
>>
> I didn't mean that "/dev is writable by everybody".
>
Glad to hear it! :)
> I meant that "/dev must be mounted for read-write mode"
>
Again, why?
next prev parent reply other threads:[~2007-12-16 11:31 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071216080441.435456586@I-love.SAKURA.ne.jp>
[not found] ` <20071216080628.061470932@I-love.SAKURA.ne.jp>
2007-12-16 10:44 ` [patch 0/2] [RFC] Simple tamper-proof device filesystem Tetsuo Handa
2007-12-16 10:56 ` [patch 1/2] " Tetsuo Handa
2007-12-06 15:29 ` Pavel Machek
2007-12-18 15:55 ` Valdis.Kletnieks
2007-12-18 16:43 ` Casey Schaufler
2007-12-16 11:21 ` David Newall
2007-12-16 11:26 ` Tetsuo Handa
2007-12-16 11:31 ` David Newall [this message]
2007-12-16 11:36 ` Tetsuo Handa
2007-12-16 11:58 ` David Newall
2007-12-16 12:03 ` Tetsuo Handa
2007-12-16 12:14 ` Tetsuo Handa
2007-12-17 6:00 ` David Newall
2007-12-18 15:33 ` Radoslaw Szkodzinski
2007-12-16 16:52 ` Indan Zupancic
2007-12-16 19:48 ` Al Viro
2007-12-17 0:40 ` Tetsuo Handa
2007-12-17 11:44 ` Indan Zupancic
2007-12-17 12:59 ` Tetsuo Handa
2007-12-17 13:05 ` Al Boldi
2007-12-17 13:16 ` Tetsuo Handa
2007-12-18 15:22 ` Radoslaw Szkodzinski
2007-12-19 12:11 ` Tetsuo Handa
2007-12-19 19:14 ` Radoslaw Szkodzinski
2007-12-17 13:32 ` Tetsuo Handa
2007-12-17 6:42 ` penguin-kernel
2007-12-17 8:38 ` David Wagner
2007-12-17 1:19 ` David Wagner
2007-12-17 19:48 ` Serge E. Hallyn
[not found] ` <20071217194802.GA14156-6s5zFf/epYLPQpwDFJZrxKsjOiXwFzmk@public.gmane.org>
2007-12-18 0:03 ` Tetsuo Handa
2007-12-18 0:03 ` Tetsuo Handa
2007-12-18 0:39 ` Serge E. Hallyn
2007-12-18 1:39 ` Oren Laadan
2007-12-18 2:09 ` Serge E. Hallyn
2007-12-18 3:04 ` Oren Laadan
2007-12-19 9:43 ` Pavel Emelyanov
2007-12-19 14:10 ` Serge E. Hallyn
2007-12-20 0:07 ` Oren Laadan
2007-12-20 7:42 ` Pavel Emelyanov
2007-12-20 14:09 ` Serge E. Hallyn
[not found] ` <476A1CE0.30505-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-12-21 1:47 ` Oren Laadan
2007-12-21 1:47 ` Oren Laadan
2007-12-19 14:13 ` Serge E. Hallyn
2007-12-18 1:55 ` Serge E. Hallyn
2007-12-18 2:26 ` Tetsuo Handa
2007-12-18 2:53 ` serge
2007-12-18 3:40 ` Tetsuo Handa
2007-12-19 23:43 ` Serge E. Hallyn
2007-12-24 13:09 ` Tetsuo Handa
2007-12-16 11:03 ` [patch 2/2] " Tetsuo Handa
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