At 02:09 PM 5/12/1999 +0100, Hafid Akhiat wrote:
>
>Hello,
>
>svgalib: can't get I/O permissions!
>
>How do I set these permissions for all users?
>
>using: RH 5.1 (knl: 2.2.7)
>
>Greetings,
>
>Hafid
The usual way is to suid root the program. But it make sure it is
a well written program, and drops the root permisions after grabing
the ports for the video card... This is one of the problems with
using svgalib - you have to have root permisions to access the video
hardware directly. The X servers have the same problem - that is why
Redhat ships the xwrapper program to limit the damage if someone
exploits a bug in the X servers... From what I understand, the frame
buffer code for x86 machines will help solve a lot of the problems,
but it isn't ready for prime time yet...
Mikkel
---
Do not meddle in the affairs of dragons,
for you are crunchy and taste good with ketchup.
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