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Date: Thu, 24 Jun 2004 19:10:24 GMT
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From: Giorgos Keramidas <keramida@ceid.upatras.gr>
Subject: Re: misc/68134: 'invalid hostname' displayed in w/who output
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The following reply was made to PR misc/68134; it has been noted by GNATS.

From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Jonas Nagel <fireball@zerouptime.ch>
Cc: bug-followup@freebsd.org
Subject: Re: misc/68134: 'invalid hostname' displayed in w/who output
Date: Thu, 24 Jun 2004 21:09:03 +0300

 On 2004-06-20 03:58, Jonas Nagel <fireball@zerouptime.ch> wrote:
 > System:
 > FreeBSD www.zerouptime.ch 4.10-RELEASE FreeBSD 4.10-RELEASE #0:
 > Sat Jun 12 17:49:50 CEST 2004 root@www.zerouptime.ch:/usr/obj/usr/src/sys/WWW i386
 
 > >Description:
 >
 > fireball@www[~]$ w
 >  3:50AM  up 6 days, 23:05, 2 users, load averages: 0.26, 0.06, 0.02
 > USER             TTY      FROM              LOGIN@  IDLE WHAT
 > fireball         p0       invalid hostname Sat04AM     - vi /tmp/pf.SSE0doNI
 > fireball         p1       invalid hostname  3:50AM     - w
 > fireball@www[~]$ who
 > fireball         ttyp0    Jun 19 04:07 (invalid hostname)
 > fireball         ttyp1    Jun 20 03:50 (invalid hostname)
 >
 > I actually do have an IP of 192.168.0.xxx. Maybe is to mention that I
 > am accessing the box (in the DMZ) through a NAT (ipnat), and IMO it
 > should be displaying the IP if it is unable to resolve the hostname
 > correctly.
 
 I think it's probably revision 1.48 of src/usr.bin/w/w.c that you want.
 
 : revision 1.48
 : date: 2001/07/26 19:20:13;  author: brian;  state: Exp;  lines: +40 -41
 : When -n is specified, don't attempt to turn hostnames found in utmp
 : into addresses as we have no idea what address family they belong to.
 :
 : When -n is not specified, resolve IPv6 as well as IPv4 addresses found
 : in the host field of utmp.  Use realhostname_sa() to resolve addresses
 : (the old code was wrong).
 :
 : Rename ``x'' to ``x_suffix'' to avoid confusion.
 :
 : Hard code the host column width to 16 (against the imminent increase
 : of UT_HOSTSIZE in utmp.h).
 
 I don't have a 4.X installation nearby to test this & merge it though :(
 
 - Giorgos