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Merge pull request #596 from cedwards/2023_release
2023 release
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Original file line number | Diff line number | Diff line change |
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#!/bin/sh | ||
# | ||
# Copyright (c) 2018-2023, Christer Edwards <christer.edwards@gmail.com> | ||
# All rights reserved. | ||
# | ||
# Redistribution and use in source and binary forms, with or without | ||
# modification, are permitted provided that the following conditions are met: | ||
# | ||
# * Redistributions of source code must retain the above copyright notice, this | ||
# list of conditions and the following disclaimer. | ||
# | ||
# * 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. | ||
# | ||
# * Neither the name of the copyright holder nor the names of its | ||
# contributors may be used to endorse or promote products derived from | ||
# this software without specific prior written permission. | ||
# | ||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT HOLDER 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. | ||
|
||
. /usr/local/share/bastille/common.sh | ||
. /usr/local/etc/bastille/bastille.conf | ||
|
||
usage() { | ||
error_exit "Usage: bastille setup [pf|bastille0|zfs|vnet]" | ||
} | ||
|
||
# Check for too many args | ||
if [ $# -gt 1 ]; then | ||
usage | ||
fi | ||
|
||
# Configure bastille0 network interface | ||
configure_bastille0() { | ||
info "Configuring bastille0 loopback interface" | ||
sysrc cloned_interfaces+=lo1 | ||
sysrc ifconfig_lo1_name="bastille0" | ||
|
||
info "Bringing up new interface: bastille0" | ||
service netif cloneup | ||
} | ||
|
||
configure_vnet() { | ||
info "Configuring bridge interface" | ||
sysrc cloned_interfaces+=bridge1 | ||
sysrc ifconfig_bridge1_name=bastille1 | ||
|
||
info "Bringing up new interface: bastille1" | ||
service netif cloneup | ||
} | ||
|
||
# Configure pf firewall | ||
configure_pf() { | ||
if [ ! -f "${bastille_pf_conf}" ]; then | ||
local ext_if | ||
ext_if=$(netstat -rn | awk '/default/ {print $4}' | head -n1) | ||
info "Determined default network interface: ($ext_if)" | ||
info "${bastille_pf_conf} does not exist: creating..." | ||
|
||
## creating pf.conf | ||
cat << EOF > ${bastille_pf_conf} | ||
## generated by bastille setup | ||
ext_if="$ext_if" | ||
set block-policy return | ||
scrub in on \$ext_if all fragment reassemble | ||
set skip on lo | ||
table <jails> persist | ||
nat on \$ext_if from <jails> to any -> (\$ext_if:0) | ||
rdr-anchor "rdr/*" | ||
block in all | ||
pass out quick keep state | ||
antispoof for \$ext_if inet | ||
pass in inet proto tcp from any to any port ssh flags S/SA keep state | ||
EOF | ||
sysrc pf_enable=YES | ||
else | ||
error_exit "${bastille_pf_conf} already exists. Exiting." | ||
fi | ||
} | ||
|
||
# Configure ZFS | ||
configure_zfs() { | ||
if [ ! "$(kldstat -q -m zfs)" ]; then | ||
info "ZFS module not loaded; skipping..." | ||
else | ||
bastille_zroot=$(zpool list | grep -v NAME | awk '{print $1}') | ||
sysrc -f "${bastille_prefix}/bastille.conf" bastille_zfs_enable=YES | ||
sysrc -f "${bastille_prefix}/bastille.conf" bastille_zfs_zpool="${bastille_zroot}" | ||
fi | ||
} | ||
|
||
# Run all functions if no args (default) | ||
if [ $# -eq 0 ]; then | ||
configure_bastille0 | ||
configure_pf | ||
configure_zfs | ||
fi | ||
|
||
# Handle special-case commands first. | ||
case "$1" in | ||
help|-h|--help) | ||
usage | ||
;; | ||
pf|firewall) | ||
configure_pf | ||
;; | ||
bastille0|network) | ||
configure_bastille0 | ||
;; | ||
zfs) | ||
configure_zfs | ||
;; | ||
esac |
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