#!/bin/sh
#
#	/sbin/bastille-firewall-reset
#
# $Id: bastille-firewall-reset,v 1.2 2002/01/25 04:38:03 peterw Exp $
#
# Script to reset the firewall if, and only if, it is
# enabled as a "S" init script for this runlevel
#
# Note this script is automatically linked in to
# /etc/dhcpc/dhcpcd-<interface>.exe by the firewall script;
# if you need a custom /etc/dhcpc/dhcpcd-<interface>.exe
# app, you should be sure to call this script, too
#
#    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

PATH=/sbin:/bin:/usr/sbin:/usr/bin
INITBASEDIR=/etc/rc.d/init.d

# find our runlevel number
RUNLEVEL=`runlevel | sed 's:[^0-9]::g'`
if [ -z "${RUNLEVEL}" ]; then
	echo "Error: unable to determine runlevel"
	exit 1
fi

# see if the firewall script is normally run as an init script
# (even if normally a "K" for this level: if you're in runlevel 1, where
#  _normally_ you don't run the firewall, but you go ahead and activate
#  an interface, chances are you'd prefer to have the firewall up)
FWALL_CHECK=`ls -l ${INITBASEDIR}/../rc${RUNLEVEL}.d | grep ' [SK]' | grep 'bastille-firewall$' `

if [ -z "${FWALL_CHECK}" ]; then
	echo "Note: bastille-firewall does not seem to be enabled in runlevel ${RUNLEVEL}"
	echo "      Firewall script will not be run!"
	exit
fi

# looks like we use the firewall in this level
if [ -x ${INITBASEDIR}/bastille-firewall ]; then
	# we have a firewall, run it
	${INITBASEDIR}/bastille-firewall start
	# See if we need to schedule another reset at DHCP renewal time
	if [ ! -z "$1" -a -f /etc/sysconfig/network-scripts/ifcfg-${1} ]; then
		# Load the configuration info for this interface
		. /etc/sysconfig/network-scripts/ifcfg-${1}
		if [ "${BOOTPROTO}" = "dhcp" -a -x /sbin/bastille-firewall-schedule ] ; then
			# Make sure we schedule a lease renewal and firewall reset
			echo "\"${1}\" is a DHCP-configured interface; scheduling lease renewal"
			/sbin/bastille-firewall-schedule $1
		fi
	fi
else
	echo "Error: expected to find ${INITBASEDIR}/bastille-firewall"
fi


