|Summary:||[patch] graphics/svgalib checks wrong virtual console for ownership|
|Product:||Ports & Packages||Reporter:||Alexey Dokuchaev <danfe>|
|Component:||Individual Port(s)||Assignee:||freebsd-ports-bugs (Nobody) <ports-bugs>|
|Severity:||Affects Only Me|
Description Alexey Dokuchaev 2003-09-21 10:20:19 UTC
graphics/svgalib contains an off-by-one error in the code that checks that the user is the owner of the current virtual terminal. Instead of checking /dev/ttyv[X], it checks /dev/ttyv[X+1]. Submitted by: Chris Pressey <firstname.lastname@example.org> This happens because svgalib was written for Linnex, and they start tty numbering from 1, contrary to FreeBSD, which does it from 0. I always knew that FreeBSD is better: who counts from 1 in this world?! ;-) How-To-Repeat: Log in as a non-root user on ttyv0. Make sure that this user is not also logged in on ttyv1. Run a program that uses graphics/svgalib (such as seejpeg, or Quake game). SVGAlib will produce an error to the effect that you are not the owner of the current virtual console. Log in as the same user on ttyv1. Switch back to ttyv0 and try running seejpeg a second time. This time it should work, as the user on ttyv0 also owns ttyv1.
Comment 1 Edwin Groothuis 2003-09-24 09:14:17 UTC
State Changed From-To: open->closed Commited, thanks!