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 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1525165387.23227.44.camel@petrovitsch.priv.at \
--to=bernd@petrovitsch.priv.at \
--cc=linux-kernel@vger.kernel.org \
--cc=tony@tony.gen.nz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®