71 lines
2.4 KiB
Plaintext
Executable File
71 lines
2.4 KiB
Plaintext
Executable File
#/bin/bash
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# By Brielle Bruns <bruns@2mbit.com>
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# URL: http://www.sosdg.org/freestuff/firewall
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# License: GPLv3
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#
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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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#
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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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# 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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#
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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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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# 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
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FW_VERSION="2.0"
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# Important directory locations
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FWPREFIX="/usr/local"
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FWCONFIGDIR="${FWPREFIX}/etc/srfirewall"
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FWLIBDIR="${FWPREFIX}/lib/srfirewall"
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FWBINDIR="${FWPREFIX}/bin"
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# Begin sourcing critical files, because we need things like path right away
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source "${FWCONFIGDIR}/main.conf"
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source "${FWLIBDIR}/binaries.inc"
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source "${FWLIBDIR}/iptables.inc"
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source "${FWLIBDIR}/display.inc"
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source "${FWCONFIGDIR}/chains.conf"
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source "${FWCONFIGDIR}/ipv4.conf"
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source "${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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# operations we do to make the firewall script work.
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if (( ${BASH_VERSINFO[0]} <= "2" )); then
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echo "Error: We can only run with bash 3.0 or higher. Please upgrade your version"
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echo "of bash to something more recent, preferably the latest which is, as of this"
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echo "writing, 4.x"
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exit 1
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fi
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# Swap out display_c command for dummy command if they don't want
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# output when command is run.
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if [[ "${DisplayDetailedOutput" == "yes" ]]; then
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display="display_c"
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else
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display="true"
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fi
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if [[ "${EnableIPv4}" == "yes" ]]; then
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# First flush all rules
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iptables_rules_flush ipv4
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# Create the chain sets we'll need and the ones that can be
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# customized by users in their custom rules
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setup_iptables_chains ipv4
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fi
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if [[ "${EnableIPv6}" == "yes" ]]; then
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# First flush all rules
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iptables_rules_flush ipv6
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fi |