Gotta love it when you have dos/win line endings unintentionally
这个提交包含在：
bbruns@gmail.com
父节点
c5a90a5522
当前提交
b0ba377ca4
140
bin/srfirewall
140
bin/srfirewall
@ -1,71 +1,71 @@
|
|||||||
#/bin/bash
|
#/bin/bash
|
||||||
# By Brielle Bruns <bruns@2mbit.com>
|
# By Brielle Bruns <bruns@2mbit.com>
|
||||||
# URL: http://www.sosdg.org/freestuff/firewall
|
# URL: http://www.sosdg.org/freestuff/firewall
|
||||||
# License: GPLv3
|
# License: GPLv3
|
||||||
#
|
#
|
||||||
# Copyright (C) 2009 - 2014 Brielle Bruns
|
# Copyright (C) 2009 - 2014 Brielle Bruns
|
||||||
# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
|
# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
|
||||||
#
|
#
|
||||||
# This program is free software: you can redistribute it and/or modify
|
# 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
|
# it under the terms of the GNU General Public License as published by
|
||||||
# the Free Software Foundation, either version 3 of the License, or
|
# the Free Software Foundation, either version 3 of the License, or
|
||||||
# (at your option) any later version.
|
# (at your option) any later version.
|
||||||
#
|
#
|
||||||
# This program is distributed in the hope that it will be useful,
|
# This program is distributed in the hope that it will be useful,
|
||||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
# GNU General Public License for more details.
|
# GNU General Public License for more details.
|
||||||
# You should have received a copy of the GNU General Public License
|
# You should have received a copy of the GNU General Public License
|
||||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
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# Static config options, normally do not need to change
|
# Static config options, normally do not need to change
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FW_VERSION="2.0"
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FW_VERSION="2.0"
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|
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# Important directory locations
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# Important directory locations
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FWPREFIX="/usr/local"
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FWPREFIX="/usr/local"
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FWCONFIGDIR="${FWPREFIX}/etc/srfirewall"
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FWCONFIGDIR="${FWPREFIX}/etc/srfirewall"
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FWLIBDIR="${FWPREFIX}/lib/srfirewall"
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FWLIBDIR="${FWPREFIX}/lib/srfirewall"
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FWBINDIR="${FWPREFIX}/bin"
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FWBINDIR="${FWPREFIX}/bin"
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# Begin sourcing critical files, because we need things like path right away
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# Begin sourcing critical files, because we need things like path right away
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source "${FWCONFIGDIR}/main.conf"
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source "${FWCONFIGDIR}/main.conf"
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source "${FWLIBDIR}/binaries.inc"
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source "${FWLIBDIR}/binaries.inc"
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source "${FWLIBDIR}/iptables.inc"
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source "${FWLIBDIR}/iptables.inc"
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source "${FWLIBDIR}/display.inc"
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source "${FWLIBDIR}/display.inc"
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source "${FWCONFIGDIR}/chains.conf"
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source "${FWCONFIGDIR}/chains.conf"
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source "${FWCONFIGDIR}/ipv4.conf"
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source "${FWCONFIGDIR}/ipv4.conf"
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source "${FWCONFIGDIR}/ipv6.conf"
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source "${FWCONFIGDIR}/ipv6.conf"
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# We require at least bash v3 or later at this point given some of the more complex
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# We require at least bash v3 or later at this point given some of the more complex
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||||||
# operations we do to make the firewall script work.
|
# operations we do to make the firewall script work.
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if (( ${BASH_VERSINFO[0]} <= "2" )); then
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if (( ${BASH_VERSINFO[0]} <= "2" )); then
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echo "Error: We can only run with bash 3.0 or higher. Please upgrade your version"
|
echo "Error: We can only run with bash 3.0 or higher. Please upgrade your version"
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echo "of bash to something more recent, preferably the latest which is, as of this"
|
echo "of bash to something more recent, preferably the latest which is, as of this"
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echo "writing, 4.x"
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echo "writing, 4.x"
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exit 1
|
exit 1
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||||||
fi
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fi
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|
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||||||
# Swap out display_c command for dummy command if they don't want
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# Swap out display_c command for dummy command if they don't want
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# output when command is run.
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# output when command is run.
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if [[ "${DisplayDetailedOutput" == "yes" ]]; then
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if [[ "${DisplayDetailedOutput" == "yes" ]]; then
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display="display_c"
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display="display_c"
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else
|
else
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display="true"
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display="true"
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fi
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fi
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|
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if [[ "${EnableIPv4}" == "yes" ]]; then
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if [[ "${EnableIPv4}" == "yes" ]]; then
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# First flush all rules
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# First flush all rules
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iptables_rules_flush ipv4
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iptables_rules_flush ipv4
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# Create the chain sets we'll need and the ones that can be
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# Create the chain sets we'll need and the ones that can be
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# customized by users in their custom rules
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# customized by users in their custom rules
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setup_iptables_chains ipv4
|
setup_iptables_chains ipv4
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fi
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fi
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if [[ "${EnableIPv6}" == "yes" ]]; then
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if [[ "${EnableIPv6}" == "yes" ]]; then
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# First flush all rules
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# First flush all rules
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iptables_rules_flush ipv6
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iptables_rules_flush ipv6
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||||||
fi
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fi
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@ -1,14 +1,14 @@
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# Chain name mapping
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# Chain name mapping
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# Don't change these unless you know what your doing
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# Don't change these unless you know what your doing
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InPreRules="In-PreRules"
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InPreRules="In-PreRules"
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OutPreRules="Out-PreRules"
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OutPreRules="Out-PreRules"
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Trusted="In-Trusted"
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Trusted="In-Trusted"
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InEasyBlock="In-EasyBlock"
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InEasyBlock="In-EasyBlock"
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OutEasyBlock="Out-EasyBlock"
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OutEasyBlock="Out-EasyBlock"
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InFilter="In-Filter"
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InFilter="In-Filter"
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OutFilter="Out-Filter"
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OutFilter="Out-Filter"
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NAT="NAT"
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NAT="NAT"
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PortForward="PortForward"
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PortForward="PortForward"
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InPostRules="In-PostRules"
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InPostRules="In-PostRules"
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OutPostRules="Out-PostRules"
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OutPostRules="Out-PostRules"
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@ -1,14 +1,14 @@
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# These are the custom files that can be used to inject rules during loading. Please don't change them
|
# These are the custom files that can be used to inject rules during loading. Please don't change them
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# unless you have a good reason.
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# unless you have a good reason.
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# To allow variable propagation/change and some creative changes of rules that I haven't tought of,
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# To allow variable propagation/change and some creative changes of rules that I haven't tought of,
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||||||
# these files are sourced into the main file during setup of the order of chains.
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# these files are sourced into the main file during setup of the order of chains.
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$V4CUSTPREFIX="${FWPREFIX}/ipv4/"
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$V4CUSTPREFIX="${FWPREFIX}/ipv4/"
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$v4_Custom_Pre="$V4CUSTPREFIX/prerun.sh"
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$v4_Custom_Pre="$V4CUSTPREFIX/prerun.sh"
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$v4_Custom_Trust="$V4CUSTPREFIX/trusted.sh"
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$v4_Custom_Trust="$V4CUSTPREFIX/trusted.sh"
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$v4_Custom_EasyBlock="$V4CUSTPREFIX/easyblock.sh"
|
$v4_Custom_EasyBlock="$V4CUSTPREFIX/easyblock.sh"
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$v4_Custom_Filter="$V4CUSTPREFIX/filter.sh"
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$v4_Custom_Filter="$V4CUSTPREFIX/filter.sh"
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$v4_Custom_NAT="$V4CUSTPREFIX/nat.sh"
|
$v4_Custom_NAT="$V4CUSTPREFIX/nat.sh"
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||||||
$v4_Custom_PortFw="$V4CUSTPREFIX/portfw.sh"
|
$v4_Custom_PortFw="$V4CUSTPREFIX/portfw.sh"
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||||||
$v4_Custom_Post="$V4CUSTPREFIX/postrun.sh"
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$v4_Custom_Post="$V4CUSTPREFIX/postrun.sh"
|
||||||
@ -1,14 +1,14 @@
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|||||||
# These are the custom files that can be used to inject rules during loading. Please don't change them
|
# These are the custom files that can be used to inject rules during loading. Please don't change them
|
||||||
# unless you have a good reason.
|
# unless you have a good reason.
|
||||||
# To allow variable propagation/change and some creative changes of rules that I haven't tought of,
|
# To allow variable propagation/change and some creative changes of rules that I haven't tought of,
|
||||||
# these files are sourced into the main file during setup of the order of chains.
|
# these files are sourced into the main file during setup of the order of chains.
|
||||||
|
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$V6CUSTPREFIX="${FWPREFIX}/ipv6/"
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$V6CUSTPREFIX="${FWPREFIX}/ipv6/"
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||||||
|
|
||||||
$v6_Custom_Pre="$V6CUSTPREFIX/prerun.sh"
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$v6_Custom_Pre="$V6CUSTPREFIX/prerun.sh"
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||||||
$v6_Custom_Trust="$V6CUSTPREFIX/trusted.sh"
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$v6_Custom_Trust="$V6CUSTPREFIX/trusted.sh"
|
||||||
$v6_Custom_EasyBlock="$V6CUSTPREFIX/easyblock.sh"
|
$v6_Custom_EasyBlock="$V6CUSTPREFIX/easyblock.sh"
|
||||||
$v6_Custom_Filter="$V6CUSTPREFIX/filter.sh"
|
$v6_Custom_Filter="$V6CUSTPREFIX/filter.sh"
|
||||||
$v6_Custom_NAT="$V6CUSTPREFIX/nat.sh"
|
$v6_Custom_NAT="$V6CUSTPREFIX/nat.sh"
|
||||||
$v6_Custom_PortFw="$V6CUSTPREFIX/portfw.sh"
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$v6_Custom_PortFw="$V6CUSTPREFIX/portfw.sh"
|
||||||
$v6_Custom_Post="$V6CUSTPREFIX/postrun.sh"
|
$v6_Custom_Post="$V6CUSTPREFIX/postrun.sh"
|
||||||
@ -1,11 +1,11 @@
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|||||||
# Main Configuration File
|
# Main Configuration File
|
||||||
|
|
||||||
# Define a prefix for important locations of binaries
|
# Define a prefix for important locations of binaries
|
||||||
PREFIX="/bin:/sbin:/usr/bin:/usr/sbin:${PREFIX}"
|
PREFIX="/bin:/sbin:/usr/bin:/usr/sbin:${PREFIX}"
|
||||||
|
|
||||||
# Enable / Disable IPv4 and IPv6 support (yes/no)
|
# Enable / Disable IPv4 and IPv6 support (yes/no)
|
||||||
EnableIPv4=yes
|
EnableIPv4=yes
|
||||||
EnableIPv6=yes
|
EnableIPv6=yes
|
||||||
|
|
||||||
# Display detailed output while running script?
|
# Display detailed output while running script?
|
||||||
EnableDetailedOutput=yes
|
EnableDetailedOutput=yes
|
||||||
@ -1,24 +1,24 @@
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|||||||
#!/bin/bash
|
#!/bin/bash
|
||||||
# By Brielle Bruns <bruns@2mbit.com>
|
# By Brielle Bruns <bruns@2mbit.com>
|
||||||
# URL: http://www.sosdg.org/freestuff/firewall
|
# URL: http://www.sosdg.org/freestuff/firewall
|
||||||
# License: GPLv3
|
# License: GPLv3
|
||||||
#
|
#
|
||||||
# Copyright (C) 2009 - 2014 Brielle Bruns
|
# Copyright (C) 2009 - 2014 Brielle Bruns
|
||||||
# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
|
# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
|
||||||
#
|
#
|
||||||
# This program is free software: you can redistribute it and/or modify
|
# 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
|
# it under the terms of the GNU General Public License as published by
|
||||||
# the Free Software Foundation, either version 3 of the License, or
|
# the Free Software Foundation, either version 3 of the License, or
|
||||||
# (at your option) any later version.
|
# (at your option) any later version.
|
||||||
#
|
#
|
||||||
# This program is distributed in the hope that it will be useful,
|
# This program is distributed in the hope that it will be useful,
|
||||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
# GNU General Public License for more details.
|
# GNU General Public License for more details.
|
||||||
# You should have received a copy of the GNU General Public License
|
# You should have received a copy of the GNU General Public License
|
||||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
# Try and set some sane defaults for common binaries we need. Can always override them later.
|
# Try and set some sane defaults for common binaries we need. Can always override them later.
|
||||||
MODPROBE=`which modprobe`
|
MODPROBE=`which modprobe`
|
||||||
IPTABLES=`which iptables`
|
IPTABLES=`which iptables`
|
||||||
IP6TABLES=`which ip6tables`
|
IP6TABLES=`which ip6tables`
|
||||||
|
|||||||
162
lib/display.inc
162
lib/display.inc
@ -1,82 +1,82 @@
|
|||||||
#!/bin/bash
|
#!/bin/bash
|
||||||
# By Brielle Bruns <bruns@2mbit.com>
|
# By Brielle Bruns <bruns@2mbit.com>
|
||||||
# URL: http://www.sosdg.org/freestuff/firewall
|
# URL: http://www.sosdg.org/freestuff/firewall
|
||||||
# License: GPLv3
|
# License: GPLv3
|
||||||
#
|
#
|
||||||
# Copyright (C) 2009 - 2014 Brielle Bruns
|
# Copyright (C) 2009 - 2014 Brielle Bruns
|
||||||
# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
|
# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
|
||||||
#
|
#
|
||||||
# This program is free software: you can redistribute it and/or modify
|
# 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
|
# it under the terms of the GNU General Public License as published by
|
||||||
# the Free Software Foundation, either version 3 of the License, or
|
# the Free Software Foundation, either version 3 of the License, or
|
||||||
# (at your option) any later version.
|
# (at your option) any later version.
|
||||||
#
|
#
|
||||||
# This program is distributed in the hope that it will be useful,
|
# This program is distributed in the hope that it will be useful,
|
||||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
# GNU General Public License for more details.
|
# GNU General Public License for more details.
|
||||||
# You should have received a copy of the GNU General Public License
|
# You should have received a copy of the GNU General Public License
|
||||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
|
||||||
# ANSI color sequences
|
# ANSI color sequences
|
||||||
BLUE="\E[34m"
|
BLUE="\E[34m"
|
||||||
GREEN="\E[32m"
|
GREEN="\E[32m"
|
||||||
RED="\E[31m"
|
RED="\E[31m"
|
||||||
YELLOW="\E[33m"
|
YELLOW="\E[33m"
|
||||||
PURPLE="\E[35m"
|
PURPLE="\E[35m"
|
||||||
AQUA="\E[36m"
|
AQUA="\E[36m"
|
||||||
WHITE="\E[1m"
|
WHITE="\E[1m"
|
||||||
GREY="\E[37m"
|
GREY="\E[37m"
|
||||||
DEFAULT_COLOR="\E[39m"
|
DEFAULT_COLOR="\E[39m"
|
||||||
|
|
||||||
# display_c $COLOR $TEXT BOOL(YN)
|
# display_c $COLOR $TEXT BOOL(YN)
|
||||||
# $COLOR being bash colors
|
# $COLOR being bash colors
|
||||||
# $TEXT being what to output (make sure to put " " around text)
|
# $TEXT being what to output (make sure to put " " around text)
|
||||||
# BOOL being (Y or N) to do newline at end or not
|
# BOOL being (Y or N) to do newline at end or not
|
||||||
function display_c {
|
function display_c {
|
||||||
unset COLOR_CODE TEXT NEWLINE
|
unset COLOR_CODE TEXT NEWLINE
|
||||||
DEFAULT_COLOR="\E[39m"
|
DEFAULT_COLOR="\E[39m"
|
||||||
COLOR_CODE=`pick_color $1`
|
COLOR_CODE=`pick_color $1`
|
||||||
TEXT="$2"
|
TEXT="$2"
|
||||||
if [ "$3" == "N" ]; then
|
if [ "$3" == "N" ]; then
|
||||||
NEWLINE="-n"
|
NEWLINE="-n"
|
||||||
fi
|
fi
|
||||||
echo -e ${NEWLINE} "${COLOR_CODE}${TEXT}${DEFAULT_COLOR}"
|
echo -e ${NEWLINE} "${COLOR_CODE}${TEXT}${DEFAULT_COLOR}"
|
||||||
}
|
}
|
||||||
|
|
||||||
# pick_color $COLOR
|
# pick_color $COLOR
|
||||||
# returns appropriate color codes for use in display_c and such
|
# returns appropriate color codes for use in display_c and such
|
||||||
function pick_color {
|
function pick_color {
|
||||||
case $1 in
|
case $1 in
|
||||||
BLUE) COLOR="\E[34m" ;;
|
BLUE) COLOR="\E[34m" ;;
|
||||||
GREEN) COLOR="\E[32m" ;;
|
GREEN) COLOR="\E[32m" ;;
|
||||||
RED) COLOR="\E[31m" ;;
|
RED) COLOR="\E[31m" ;;
|
||||||
YELLOW) COLOR="\E[33m" ;;
|
YELLOW) COLOR="\E[33m" ;;
|
||||||
PURPLE) COLOR="\E[35m" ;;
|
PURPLE) COLOR="\E[35m" ;;
|
||||||
AQUA) COLOR="\E[36m" ;;
|
AQUA) COLOR="\E[36m" ;;
|
||||||
WHITE) COLOR="\E[1m" ;;
|
WHITE) COLOR="\E[1m" ;;
|
||||||
GREY) COLOR="\E[37m" ;;
|
GREY) COLOR="\E[37m" ;;
|
||||||
*) COLOR="\E[37m" ;;
|
*) COLOR="\E[37m" ;;
|
||||||
esac
|
esac
|
||||||
echo "${COLOR}"
|
echo "${COLOR}"
|
||||||
}
|
}
|
||||||
|
|
||||||
# reset_color
|
# reset_color
|
||||||
function reset_color {
|
function reset_color {
|
||||||
unset NEWLINE
|
unset NEWLINE
|
||||||
DEFAULT_COLOR="\E[39m"
|
DEFAULT_COLOR="\E[39m"
|
||||||
if [ "$1" == "N" ]; then
|
if [ "$1" == "N" ]; then
|
||||||
NEWLINE="-n"
|
NEWLINE="-n"
|
||||||
fi
|
fi
|
||||||
echo ${NEWLINE} -e "${DEFAULT_COLOR}"
|
echo ${NEWLINE} -e "${DEFAULT_COLOR}"
|
||||||
}
|
}
|
||||||
|
|
||||||
# show_help
|
# show_help
|
||||||
# Show command line options help
|
# Show command line options help
|
||||||
function show_help {
|
function show_help {
|
||||||
echo "Firewall/SOSDG ${FW_VERSION} - Brielle Bruns <bruns@2mbit.com>"
|
echo "Firewall/SOSDG ${FW_VERSION} - Brielle Bruns <bruns@2mbit.com>"
|
||||||
echo -e "\t--help\t\tShows this info"
|
echo -e "\t--help\t\tShows this info"
|
||||||
echo -e "\t--flush\t\tFlushes all rules back to default ACCEPT"
|
echo -e "\t--flush\t\tFlushes all rules back to default ACCEPT"
|
||||||
echo -e "\t--generate-cache\tGenerate cached rule file"
|
echo -e "\t--generate-cache\tGenerate cached rule file"
|
||||||
}
|
}
|
||||||
206
lib/iptables.inc
206
lib/iptables.inc
@ -1,104 +1,104 @@
|
|||||||
#!/bin/bash
|
#!/bin/bash
|
||||||
# By Brielle Bruns <bruns@2mbit.com>
|
# By Brielle Bruns <bruns@2mbit.com>
|
||||||
# URL: http://www.sosdg.org/freestuff/firewall
|
# URL: http://www.sosdg.org/freestuff/firewall
|
||||||
# License: GPLv3
|
# License: GPLv3
|
||||||
#
|
#
|
||||||
# Copyright (C) 2009 - 2014 Brielle Bruns
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# Copyright (C) 2009 - 2014 Brielle Bruns
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# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
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# Copyright (C) 2009 - 2014 The Summit Open Source Development Group
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#
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#
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# This program is free software: you can redistribute it and/or modify
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# iptables_rules_flush (ipv6|ipv4)
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# iptables_rules_flush (ipv6|ipv4)
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# Clear all rules from iptables - be very careful in how this is called as it
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# Clear all rules from iptables - be very careful in how this is called as it
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# could easily lock out the user from the network. Best way to be safe, is to
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# could easily lock out the user from the network. Best way to be safe, is to
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# call iptables_policy_reset first then this function.
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# call iptables_policy_reset first then this function.
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function iptables_rules_flush {
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function iptables_rules_flush {
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IP_VERSION=$1
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IP_VERSION=$1
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case $IP_VERSION in
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case $IP_VERSION in
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ipv6) VER_IPTABLES=${IP6TABLES} ; TABLE_NAMES=/proc/net/ip6_tables_names ;;
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ipv6) VER_IPTABLES=${IP6TABLES} ; TABLE_NAMES=/proc/net/ip6_tables_names ;;
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ipv4|*) VER_IPTABLES=${IPTABLES} ; TABLE_NAMES=/proc/net/ip_tables_names ;;
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ipv4|*) VER_IPTABLES=${IPTABLES} ; TABLE_NAMES=/proc/net/ip_tables_names ;;
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esac
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esac
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${display_c} RED "Flushing ${IP_VERSION} rules..."
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${display_c} RED "Flushing ${IP_VERSION} rules..."
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${VER_IPTABLES} --flush &>/dev/null
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${VER_IPTABLES} --flush &>/dev/null
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${VER_IPTABLES} -F OUTPUT &>/dev/null
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${VER_IPTABLES} -F OUTPUT &>/dev/null
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${VER_IPTABLES} -F PREROUTING &>/dev/null
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${VER_IPTABLES} -F PREROUTING &>/dev/null
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${VER_IPTABLES} -F POSTROUTING &>/dev/null
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${VER_IPTABLES} -F POSTROUTING &>/dev/null
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for i in `cat $TABLE_NAMES`; do
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for i in `cat $TABLE_NAMES`; do
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${VER_IPTABLES} -F -t $i &>/dev/null
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${VER_IPTABLES} -F -t $i &>/dev/null
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done
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done
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${VER_IPTABLES} -X
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${VER_IPTABLES} -X
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}
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}
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# iptables_policy_set (ipv6|ipv4) (ACCEPT|DROP)
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# iptables_policy_set (ipv6|ipv4) (ACCEPT|DROP)
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# Sets all policy rules to either ACCEPT or DROP for ipv4 or ipv6
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# Sets all policy rules to either ACCEPT or DROP for ipv4 or ipv6
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# If no policy given, assume ACCEPT
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# If no policy given, assume ACCEPT
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function iptables_policy_reset {
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function iptables_policy_reset {
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IP_VERSION=$1
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IP_VERSION=$1
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SET_POLICY=${2=ACCEPT}
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SET_POLICY=${2=ACCEPT}
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case $IP_VERSION in
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case $IP_VERSION in
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ipv6) VER_IPTABLES=${IP6TABLES} ;;
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ipv6) VER_IPTABLES=${IP6TABLES} ;;
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ipv4|*) VER_IPTABLES=${IPTABLES} ;;
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ipv4|*) VER_IPTABLES=${IPTABLES} ;;
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esac
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esac
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${display_c} RED "Setting ${IP_VERSION} policies to ${SET_POLICY}..."
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${display_c} RED "Setting ${IP_VERSION} policies to ${SET_POLICY}..."
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${VER_IPTABLES} --policy INPUT ${SET_POLICY}
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${VER_IPTABLES} --policy INPUT ${SET_POLICY}
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${VER_IPTABLES} --policy OUTPUT ${SET_POLICY}
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${VER_IPTABLES} --policy OUTPUT ${SET_POLICY}
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${VER_IPTABLES} --policy FORWARD ${SET_POLICY}
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${VER_IPTABLES} --policy FORWARD ${SET_POLICY}
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}
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}
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# setup_iptables_chains (ipv4|ipv6)
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# setup_iptables_chains (ipv4|ipv6)
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# Creates the default chains when called
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# Creates the default chains when called
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function setup_iptables_chains {
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function setup_iptables_chains {
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IP_VERSION=$1
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IP_VERSION=$1
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case $IP_VERSION in
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case $IP_VERSION in
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ipv6) VER_IPTABLES=${IP6TABLES};
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ipv6) VER_IPTABLES=${IP6TABLES};
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IPVER="6" ;;
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IPVER="6" ;;
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ipv4|*) VER_IPTABLES=${IPTABLES}
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ipv4|*) VER_IPTABLES=${IPTABLES}
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IPVER="4" ;;
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IPVER="4" ;;
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esac
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esac
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# Create the actual chains
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# Create the actual chains
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${display_c} GREEN "Setting up chains for ${IP_VERSION}..."
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${display_c} GREEN "Setting up chains for ${IP_VERSION}..."
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${VER_IPTABLES} -N ${InPreRules}
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${VER_IPTABLES} -N ${InPreRules}
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${VER_IPTABLES} -N ${OutPreRules}
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${VER_IPTABLES} -N ${OutPreRules}
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${VER_IPTABLES} -N ${Trusted}
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${VER_IPTABLES} -N ${Trusted}
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${VER_IPTABLES} -N ${InEasyBlock}
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${VER_IPTABLES} -N ${InEasyBlock}
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${VER_IPTABLES} -N ${OutEasyBlock}
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${VER_IPTABLES} -N ${OutEasyBlock}
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${VER_IPTABLES} -N ${InFilter}
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${VER_IPTABLES} -N ${InFilter}
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${VER_IPTABLES} -N ${OutFilter}
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${VER_IPTABLES} -N ${OutFilter}
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${VER_IPTABLES} -N ${FwdFilter}
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${VER_IPTABLES} -N ${FwdFilter}
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${VER_IPTABLES} -N ${NAT}
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${VER_IPTABLES} -N ${NAT}
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${VER_IPTABLES} -N ${PortForward}
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${VER_IPTABLES} -N ${PortForward}
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${VER_IPTABLES} -N ${InPostRules}
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${VER_IPTABLES} -N ${InPostRules}
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${VER_IPTABLES} -N ${OutPostRules}
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${VER_IPTABLES} -N ${OutPostRules}
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# Set up rules - the order matters - we do it separately here
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# Set up rules - the order matters - we do it separately here
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# for easy viewing of order
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# for easy viewing of order
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if [ -x ${v${IPVER}_Custom_Pre} ]; then . ${v${IPVER}_Custom_Pre}; fi
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if [ -x ${v${IPVER}_Custom_Pre} ]; then . ${v${IPVER}_Custom_Pre}; fi
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${VER_IPTABLES} -A INPUT -j ${InPreRules}
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${VER_IPTABLES} -A INPUT -j ${InPreRules}
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${VER_IPTABLES} -A OUTPUT -j ${OutPreRules}
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${VER_IPTABLES} -A OUTPUT -j ${OutPreRules}
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if [ -x ${v${IPVER}_Custom_Trust} ]; then . ${v${IPVER}_Custom_Trust}; fi
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if [ -x ${v${IPVER}_Custom_Trust} ]; then . ${v${IPVER}_Custom_Trust}; fi
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${VER_IPTABLES} -A INPUT -j ${Trusted}
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${VER_IPTABLES} -A INPUT -j ${Trusted}
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if [ -x ${v${IPVER}_Custom_EasyBlock} ]; then . ${v${IPVER}_Custom_EasyBlock}; fi
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if [ -x ${v${IPVER}_Custom_EasyBlock} ]; then . ${v${IPVER}_Custom_EasyBlock}; fi
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${VER_IPTABLES} -A INPUT -j ${InEasyBlock}
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${VER_IPTABLES} -A INPUT -j ${InEasyBlock}
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${VER_IPTABLES} -A OUTPUT -j ${OutEasyBlock}
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${VER_IPTABLES} -A OUTPUT -j ${OutEasyBlock}
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if [ -x ${v${IPVER}_Custom_Filter} ]; then . ${v${IPVER}_Custom_Filter}; fi
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if [ -x ${v${IPVER}_Custom_Filter} ]; then . ${v${IPVER}_Custom_Filter}; fi
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${VER_IPTABLES} -A INPUT -j ${InFilter}
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${VER_IPTABLES} -A INPUT -j ${InFilter}
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${VER_IPTABLES} -A OUTPUT -j ${OutFilter}
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${VER_IPTABLES} -A OUTPUT -j ${OutFilter}
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${VER_IPTABLES} -A FORWARD -j ${FwdFilter}
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${VER_IPTABLES} -A FORWARD -j ${FwdFilter}
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if [ -x ${v${IPVER}_Custom_NAT} ]; then . ${v${IPVER}_Custom_NAT}; fi
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if [ -x ${v${IPVER}_Custom_NAT} ]; then . ${v${IPVER}_Custom_NAT}; fi
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${VER_IPTABLES} -A POSTROUTING -j ${NAT}
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${VER_IPTABLES} -A POSTROUTING -j ${NAT}
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if [ -x ${v${IPVER}_Custom_PortFw} ]; then . ${v${IPVER}_Custom_PortFw}; fi
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if [ -x ${v${IPVER}_Custom_PortFw} ]; then . ${v${IPVER}_Custom_PortFw}; fi
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${VER_IPTABLES} -A PREROUTING -j ${PortForward}
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${VER_IPTABLES} -A PREROUTING -j ${PortForward}
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if [ -x ${v${IPVER}_Custom_Post} ]; then . ${v${IPVER}_Custom_Post}; fi
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if [ -x ${v${IPVER}_Custom_Post} ]; then . ${v${IPVER}_Custom_Post}; fi
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${VER_IPTABLES} -A INPUT -j ${InPostRules}
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${VER_IPTABLES} -A INPUT -j ${InPostRules}
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${VER_IPTABLES} -A OUTPUT -j ${OutPostRules}
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${VER_IPTABLES} -A OUTPUT -j ${OutPostRules}
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}
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}
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