From owner-freebsd-security  Sat Mar  2 19:40:38 2002
Delivered-To: freebsd-security@freebsd.org
Received: from smnolde.com (att-98-60-141.atl.mediaone.net [24.98.60.141])
	by hub.freebsd.org (Postfix) with ESMTP id AA94E37B405
	for <freebsd-security@freebsd.org>; Sat,  2 Mar 2002 19:40:33 -0800 (PST)
Received: from bsd ([192.168.10.7] helo=bsd.smnolde.com)
	by smnolde.com with esmtp (TLSv1:DES-CBC3-SHA:168)
	(Exim 3.30 #1)
	id 16hMrS-00096p-00; Sat, 02 Mar 2002 22:40:34 -0500
Received: from scott by bsd.smnolde.com with local (Exim 3.33 #1)
	id 16hMrR-000Pmi-00; Sat, 02 Mar 2002 22:40:33 -0500
Date: Sat, 2 Mar 2002 22:40:33 -0500
From: "Scott M. Nolde" <scott@smnolde.com>
To: George.Giles@mcmail.vanderbilt.edu
Cc: freebsd-security@freebsd.org
Subject: Re: ipfw and DHCP
Message-ID: <20020302224033.D32060@smnolde.com>
References: <OF25945D77.FFDCD63C-ON86256B6F.004C1698@MC.VANDERBILT.EDU>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5.1i
In-Reply-To: <OF25945D77.FFDCD63C-ON86256B6F.004C1698@MC.VANDERBILT.EDU>; from George.Giles@mcmail.vanderbilt.edu on Fri, Mar 01, 2002 at 07:52:26AM -0600
X-Disclaimer: If you can read this you're looking for too much
Sender: owner-freebsd-security@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-security.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-security>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-security>
X-Loop: FreeBSD.org

George.Giles@mcmail.vanderbilt.edu(George.Giles@mcmail.vanderbilt.edu)@2002.03.01 07:52:26 +0000:
> How do you get ipfw to pick-up DHCP value for oif in the rc.firewall script
> ?
> 
This is what I do:
onet=`/sbin/ifconfig dc0 | grep -w inet | awk '{print $2}' | awk -F. \
'{print $1 "." $2 "." $3 ".0"}'`
omask=`grep subnet-mask /var/db/dhclient.leases | tail -1 | sed \
"s/[,;]//g" | awk '{print $3}'`
oip=`grep fixed-address /var/db/dhclient.leases | tail -1 | sed \
"s/[,;]//g" | awk '{print $2}'`
dns1=`grep domain-name-servers /var/db/dhclient.leases | tail -1 | sed \
"s/[,;]/ /g" | awk '{print $3}'`
dns2=`grep domain-name-servers /var/db/dhclient.leases | tail -1 | sed \
"s/[,;]/ /g" | awk '{print $4}'`
dhcp=`grep dhcp-server /var/db/dhclient.leases | tail -1 | sed "s/;//g" |\
awk '{print $3}'`

-- 
Scott Nolde
GPG Key 0xD869AB48

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-security" in the body of the message