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Article #723

Re: Paralelle Poort acess als gewone user?

#723
From: Rick Schippers
Date: Sat, 06 Nov 1999 00:00
27 lines
2036 bytes
Bart Vandewoestyne wrote:
> 
> Ik zou willen een programma schrijven om de parallelle poort te sturen.
> Ik wil dit programma als gewone user kunnen uitvoeren.  Tot nu toe slaag
> ik erin om het programma goed te doen lopen als root.  In de Linux I/O
> port programming mini-HOWTO vond ik het volgende:
> 
> The ioperm() call requires your program to have root privileges; thus
> you need to either run it as the root user, or make it setuid root.  You
> can drop the root privileges after you have called ioperm() to enable
> the ports you want to use.  You are not required to explicitly drop your
> port access privileges with ioperm(..., 0) at the end of your program;
> this is done automatically as the process exits.

[KNIP]

Kan je niet gewoon na het compilen 'chmod +s foo' doen, waarbij foo dus
je gecompilede executable is. Of denk ik nou veel te simpel?

Rick


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From: Rick Schippers <ricks@telebot.com>
Subject: Re: Paralelle Poort acess als gewone user?
Date: 1999/11/06
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