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From: "Nikolaus Rath" <nikolaus@rath.org>
To: "Linux FS Devel" <linux-fsdevel@vger.kernel.org>
Subject: Re: [fuse-devel] Determining owner of a (fuse) mountpoint?
Date: Sun, 17 May 2020 15:59:08 +0100 [thread overview]
Message-ID: <f52ddbc4-4551-4997-8fda-235f2c461260@www.fastmail.com> (raw)
In-Reply-To: <20200517080909.lod7sjfio5jvsjr3@yavin.dot.cyphar.com>
On Sun, 17 May 2020, at 09:09, Aleksa Sarai wrote:
> On 2020-05-15, Nikolaus Rath <Nikolaus@rath.org> wrote:
> > Given a (FUSE) mountpoint (potentially mounted without -o allow_root),
> > is there a way for root to determine its "owner" (i.e. the user who has
> > started the FUSE process and invoked fusermount) that does not depend on
> > cooperation of the user/filesystem?
>
> The mount options of a FUSE mount contain the entries "user_id=N" and
> "group_id=M" which correspond to the "mount owner" and those entries are
> filled by fusermount. Is that not sufficient?
I think it is sufficient, I just never noticed it. Thanks!
Best,
-Nikolaus
--
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»Time flies like an arrow, fruit flies like a Banana.«
prev parent reply other threads:[~2020-05-17 15:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-15 19:21 Determining owner of a (fuse) mountpoint? Nikolaus Rath
2020-05-17 8:09 ` Aleksa Sarai
2020-05-17 14:59 ` Nikolaus Rath [this message]
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