#!/bin/sh
# Copyright (c) 2004, 2005
#     Stephan Schmieder <ssc@unix-geek.info>.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY STEPHAN SCHMIEDER AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL STEPHAN SCHMIEDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# definitions
ALERT_FILE='/var/log/snort/alert'
ANCHOR='snort2pf'
PFCTL='/sbin/pfctl'
SUDO='/usr/bin/sudo'
CLEAR='/usr/bin/clear'
SLEEP='/bin/sleep'
SED='/usr/bin/sed'
while ($SLEEP 1); do
        $CLEAR
        echo "Hosts currently blocked by Snort2Pf:"
        for SubAnchor in `$SUDO $PFCTL -a $ANCHOR -s Anchor`; do
                $SUDO $PFCTL -a $SubAnchor -s rules | $SED s/block\ drop\ in\ quick\ inet\ from\ // | $SED s/\ to\ any//
        done
done
