#!/bin/sh
+###############################################################################
+# #
+# IPFire.org - A linux based firewall #
+# Copyright (C) 2013 Alexander Marx <amarx@ipfire.org> #
+# #
+# 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 3 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, see <http://www.gnu.org/licenses/>. #
+# #
+###############################################################################
+eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
eval $(/usr/local/bin/readhash /var/ipfire/forward/settings)
eval $(/usr/local/bin/readhash /var/ipfire/optionsfw/settings)
-eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
iptables -F POLICYFWD
iptables -F POLICYOUT
iptables -F POLICYIN
if [ -f "/var/ipfire/red/iface" ]; then
- IFACE=`cat /var/ipfire/red/iface`
+ IFACE="$(</var/ipfire/red/iface)"
fi
-#FORWARDFW
-if [ "$POLICY" == "MODE1" ]; then
- if [ "$FWPOLICY" == "REJECT" ]; then
- if [ "$DROPFORWARD" == "on" ]; then
- /sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "REJECT_FORWARD"
- fi
- /sbin/iptables -A POLICYFWD -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_FORWARD"
+# Figure out what devices are configured.
+HAVE_BLUE="false"
+HAVE_ORANGE="false"
+
+case "${CONFIG_TYPE}" in
+ 2)
+ HAVE_BLUE="true"
+ ;;
+ 3)
+ HAVE_ORANGE="true"
+ ;;
+ 4)
+ HAVE_BLUE="true"
+ HAVE_ORANGE="true"
+ ;;
+esac
+
+# INPUT
+case "${FWPOLICY2}" in
+ REJECT)
+ if [ "${DROPINPUT}" = "on" ]; then
+ /sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "REJECT_INPUT"
fi
- if [ "$FWPOLICY" == "DROP" ]; then
- if [ "$DROPFORWARD" == "on" ]; then
- /sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD"
- fi
- /sbin/iptables -A POLICYFWD -j DROP -m comment --comment "DROP_FORWARD"
+ /sbin/iptables -A POLICYIN -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_INPUT"
+ ;;
+ *) # DROP
+ if [ "${DROPINPUT}" = "on" ]; then
+ /sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "DROP_INPUT"
fi
-else
- if [ "$BLUE_DEV" ] && [ "$IFACE" ]; then
- /sbin/iptables -A POLICYFWD -i blue0 ! -o $IFACE -j DROP
- fi
- /sbin/iptables -A POLICYFWD -i orange0 ! -o $IFACE -j DROP
- /sbin/iptables -A POLICYFWD -j ACCEPT
- /sbin/iptables -A POLICYFWD -m comment --comment "DROP_FORWARD" -j DROP
-fi
+ /sbin/iptables -A POLICYIN -j DROP -m comment --comment "DROP_INPUT"
+ ;;
+esac
-#OUTGOINGFW
-if [ "$POLICY1" == "MODE1" ]; then
- if [ "$FWPOLICY1" == "REJECT" ]; then
- if [ "$DROPOUTGOING" == "on" ]; then
- /sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "REJECT_OUTPUT"
- fi
- /sbin/iptables -A POLICYOUT -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_OUTPUT"
- fi
- if [ "$FWPOLICY1" == "DROP" ]; then
- if [ "$DROPOUTGOING" == "on" ]; then
- /sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "DROP_OUTPUT"
+# FORWARD
+case "${POLICY}" in
+ MODE1)
+ case "${FWPOLICY}" in
+ REJECT)
+ if [ "${DROPFORWARD}" = "on" ]; then
+ /sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "REJECT_FORWARD"
+ fi
+ /sbin/iptables -A POLICYFWD -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_FORWARD"
+ ;;
+ *) # DROP
+ if [ "${DROPFORWARD}" = "on" ]; then
+ /sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD"
+ fi
+ /sbin/iptables -A POLICYFWD -j DROP -m comment --comment "DROP_FORWARD"
+ ;;
+ esac
+ ;;
+
+ *)
+ if [ -n "${IFACE}" ]; then
+ if [ "${HAVE_BLUE}" = "true" ] && [ -n "${BLUE_DEV}" ]; then
+ /sbin/iptables -A POLICYFWD -i "${BLUE_DEV}" ! -o "${IFACE}" -j DROP
+ fi
+ if [ "${HAVE_ORANGE}" = "true" ] && [ -n "${ORANGE_DEV}" ]; then
+ /sbin/iptables -A POLICYFWD -i "${ORANGE_DEV}" ! -o "${IFACE}" -j DROP
+ fi
fi
- /sbin/iptables -A POLICYOUT -j DROP -m comment --comment "DROP_OUTPUT"
- fi
-else
- /sbin/iptables -A POLICYOUT -j ACCEPT
- /sbin/iptables -A POLICYOUT -m comment --comment "DROP_OUTPUT" -j DROP
-fi
-#INPUT
-if [ "$FWPOLICY2" == "REJECT" ]; then
- if [ "$DROPINPUT" == "on" ]; then
- /sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "REJECT_INPUT"
- fi
- /sbin/iptables -A POLICYIN -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_INPUT"
-fi
-if [ "$FWPOLICY2" == "DROP" ]; then
- if [ "$DROPINPUT" == "on" ]; then
- /sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "DROP_INPUT"
- fi
- /sbin/iptables -A POLICYIN -j DROP -m comment --comment "DROP_INPUT"
-fi
+ /sbin/iptables -A POLICYFWD -j ACCEPT
+ /sbin/iptables -A POLICYFWD -m comment --comment "DROP_FORWARD" -j DROP
+ ;;
+esac
+
+# OUTGOING
+case "${POLICY1}" in
+ MODE1)
+ case "${FWPOLICY1}" in
+ REJECT)
+ if [ "${DROPOUTGOING}" = "on" ]; then
+ /sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "REJECT_OUTPUT"
+ fi
+ /sbin/iptables -A POLICYOUT -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_OUTPUT"
+ ;;
+ *) # DROP
+ if [ "${DROPOUTGOING}" == "on" ]; then
+ /sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "DROP_OUTPUT"
+ fi
+ /sbin/iptables -A POLICYOUT -j DROP -m comment --comment "DROP_OUTPUT"
+ ;;
+ esac
+ ;;
+ *)
+ /sbin/iptables -A POLICYOUT -j ACCEPT
+ /sbin/iptables -A POLICYOUT -m comment --comment "DROP_OUTPUT" -j DROP
+ ;;
+esac
exit 0
projects / people / teissler / ipfire-2.x.git / blobdiff