#!/bin/sh
# $Id: fetchipac,v 1.3 1998/02/23 13:52:38 moritz Exp $
#
# Fetch IP accounting stats
# Copyright (C) 1997, 1998 Moritz Both
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# The author can be reached via email: moritz@daneben.de, or by
# snail mail: Moritz Both, c/o Comlink, Im Moore 26, 30167 Hannover,
#             Germany. Phone: +49-511-1617811
#

# =()<ACCTDIR="@<ACCTDIR>@">()=
ACCTDIR="/var/log/ip-acct"
# =()<RUNFILE="@<RUNFILE>@">()=
RUNFILE="/var/run/ip-accounting-rules"
# =()<IPFWADM="@<IPFWADM>@">()=
IPFWADM="/sbin/ipfwadm"
# =()<DATDELIM="@<DATDELIM>@">()=
DATDELIM="#-#-#-#-#"
# =()<LOCKFILE="@<LOCKFILE>@">()=
LOCKFILE="/tmp/ipac.lck"


# Options to ipfwadm: l=list, A=Accounting, n=numeric output,
#          x=eXpand numbers (display exact values), v=verbose, 
#          e=extended output mode, z=reset counters
OPTS="-lAnxvez"

if [ -f $LOCKFILE ]; then
	# lock file exists, so ipacset might be running
	# remove lock file if process died.
	if kill -0 `cat $LOCKFILE` 2>/dev/null; then
		:
	else
		rm -f $LOCKFILE
		test -f $LOCKFILE && exec $0
	fi
	exit 1
fi

if [ ! -r $RUNFILE ]; then
	# no run file?
	echo "$0: Cant read \"$RUNFILE\" - ipacset not run?"
	exit 1
fi

test -d $ACCTDIR || mkdir $ACCTDIR || exit 1
if [ ! -x $IPFWADM ]; then
	echo "$0: Cannot execute $IPFWADM" >&2
	exit 1
fi

FILE=$ACCTDIR/`date +"%Y%m%d-%H%M%S"`

cat $RUNFILE >$FILE || exit 1
echo "$DATDELIM" >>$FILE
$IPFWADM $OPTS >>$FILE

# EOF
