lkml.org 
[lkml]   [2005]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFD] 'nice' attribute for executable files
Date
Wiktor <victorjan@poczta.onet.pl> writes:

> Horst von Brand wrote:
>> Even better: Write a C wrapper for each affected program that just
>> renices
>> it as needed.
>
> I suggest to implement scalable solution, so the final user wont't
> have to write separate wrapper for *each* program. universal wrapper
> is better solution, but (now i know, that implementing something that
> can be dangerous if used incorrectly is so evil, that only the devil
> could have proposed it) it forces use of database (that normally would
> be kept in filesystem's file metadata)

A userspace solution could still use POSIX extended attributes.

> and if some-malicious-person would have accessed it in write mode
> (as result of wrong file permissions), the system performerance
> would be in danger. in my solution, there is per-file attribute,
> accessible only for root, and if hacker has root permissions,
> existence of nice attribute is meaningless.

You forgot something: this idea of yours needs to be implemented,
tested, and debugged. Those things take time, and effort, and are
still of very little value.

--
Måns Rullgård
mru@inprovide.com

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-04-06 13:31    [W:0.187 / U:0.708 seconds]
©2003-2014 Jasper Spaans. Advertise on this site