bin/53520: su to another user does not update utmp

[Kristofer Pettijohn]

>Number:         53520
>Category:       bin
>Synopsis:       su to another user does not update utmp
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jun 19 16:40:01 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Kristofer Pettijohn
>Release:        FreeBSD 5.1-CURRENT i386
>Organization:
VISI.com
>Environment:
System: FreeBSD aradia.cybernetik.net 5.1-CURRENT FreeBSD 5.1-CURRENT #1: Thu Jun 19 17:21:58 CDT 2003 kristofer at aradia.cybernetik.net:/usr/obj/usr/src/sys/ARADIA i386


>Description:
	su'ing to another into another user's shell and exiting back into
	the su'ing users shell does not update utmp; wrong user appears
	online
>How-To-Repeat:
        kristofer at aradia:~> uname -a
        FreeBSD aradia.cybernetik.net 5.1-CURRENT FreeBSD 5.1-CURRENT #1: Thu Jun 19 17:21:58 CDT 2003     kristofer at aradia.cybernetik.net:/usr/obj/usr/src/sys/ARADIA  i386
        kristofer at aradia:~> su - wanda
        Password:
        Last login: Thu Jun 19 12:53:45 on ttyp5
        w
        $  6:26PM  up 2 mins, 1 user, load averages: 0.61, 0.36, 0.15
        USER             TTY      FROM              LOGIN@  IDLE WHAT
        wanda            p1       -                 6:26PM     - w
        $ exit
        kristofer at aradia:~> w
         6:26PM  up 2 mins, 1 user, load averages: 0.56, 0.35, 0.15
        USER             TTY      FROM              LOGIN@  IDLE WHAT
        wanda            p1       -                 6:26PM     - w
        kristofer at aradia:~> 
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: