ports/84212: misc/screen port can't talk to TTYs

[Daniel J. O'Connor]

>Number:         84212
>Category:       ports
>Synopsis:       misc/screen port can't talk to TTYs
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jul 28 08:00:33 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Daniel J. O'Connor
>Release:        FreeBSD 5.4-STABLE i386
>Organization:
>Environment:
System: FreeBSD midget.dons.net.au 5.4-STABLE FreeBSD 5.4-STABLE #2: Wed Jul 27 20:20:22 CST 2005 darius at midget.dons.net.au:/usr/src/sys/i386/compile/MIDGET i386
>Description:
The screen 'cu' functionality does not work properly for non root users. It reports permission denied
when an attempt to open a TTY is made.

This problem does not manifest itself in 4.x, only 5.x and higher.

>How-To-Repeat:
Try and open a screen showing a serial port like so..
C-a :screen /dev/ucom0 9600

I get this in the status line ->
Cannot open line '/dev/ucom0' for R/W: Permission denied

I have permission to use /dev/ucom0..
crw-rw----  1 uucp  dialer  230, 128 Jul 27 23:59 /dev/ucom0
(I am in dialer)
cu -l /dev/ucom0 -s 9600 works fine.

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: