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Date:      Thu, 8 Jul 1999 19:43:55 -0700 (PDT)
From:      Tani Hosokawa <unknown@riverstyx.net>
To:        Dan Nelson <dnelson@emsphone.com>
Cc:        Dan Langille <dan.langille@dvl-software.com>, questions@FreeBSD.ORG
Subject:   Re: lynx from /etc/crontab fails
Message-ID:  <Pine.LNX.4.10.9907081943030.26462-100000@avarice.riverstyx.net>
In-Reply-To: <19990708213001.A25909@dan.emsphone.com>

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On Thu, 8 Jul 1999, Dan Nelson wrote:

> > I haven't tried ktracing it (first I've heard of ktracing).  Here is
> > the script:
> > 
> > $ cat dns_update.sh 
> > #!/bin/sh
> > 
> > user_id="something"
> > password="secret"
> > 
> > ip_addr=`netstat -rn | egrep ^0.0.0.0 | sed -e "s,.* ,,g" | \
> >         xargs /sbin/ifconfig | grep "inet.addr" | sed -e "s,.*addr:,," \
> >         -e "s, .*,,"`
> 
> Wow.  What is this thing trying to do here?  It can't possibly return a
> valid value, since "netstat -rn" prints "default" for the default route
> (not 0.0.0.0), and ifconfig never prints the string "inet addr".
> 
> If you're trying to get your current dialup IP number, run this script
> from /etc/ppp/ppp.linkup, where you can pass the IP number directly
> from ppp and skip all this "guess our IP based on our default route"
> trickery.

This is obviously transplanted from a Linux box... RTFM :)

---
tani hosokawa
river styx internet




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