From: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
To: Tony Wallace <tony@tony.gen.nz>, linux-kernel@vger.kernel.org
Subject: Re: Suggested new user link command
Date: Tue, 01 May 2018 11:03:07 +0200 [thread overview]
Message-ID: <1525165387.23227.44.camel@petrovitsch.priv.at> (raw)
In-Reply-To: <decdbe00-2292-3012-d7ae-6bfa382fc74a@tony.gen.nz>
Hi
On Tue, 2018-05-01 at 20:03 +1200, Tony Wallace wrote:
> I am suggesting a new command for linking files. Currently there is
> no
> easy way to link a file with a known inode number to its correct
> position in the directory tree.
>
>
> int ilink(const int inode, const char *newpath)
... avoiding any permission checks on all paths to the existing names.
> The current alternative to this command is to find the file path
> associated with an inode using the find command and then once found
> using a standard link command. Obviously this is very inefficient.
That's the price for security as it requires proper permissions.
Or is this a root-only syscall?
MfG,
Bernd
--
Bernd Petrovitsch Email : bernd@petrovitsch.priv.at
LUGA : http://www.luga.at
next prev parent reply other threads:[~2018-05-01 9:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-01 8:03 Suggested new user link command Tony Wallace
2018-05-01 9:03 ` Bernd Petrovitsch [this message]
2018-05-01 10:58 ` Tony Wallace
2018-05-01 11:04 ` Richard Weinberger
2018-05-01 12:17 ` Tony Wallace
2018-05-01 13:35 ` Bernd Petrovitsch
2018-05-01 18:41 ` Tony Wallace
2018-05-05 5:10 ` Eric W. Biederman
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