125 lines
2.8 KiB
Bash
Executable File
125 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Creates or re-calculates Diffie-Hellman parameters
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# License
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# =======
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#
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# Copyright (C) 2015-2016 Bob Mottram <bob@robotics.uk.to>
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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 Affero 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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PROJECT_NAME='freedombone'
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export TEXTDOMAIN=${PROJECT_NAME}-dhparam
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export TEXTDOMAINDIR="/usr/share/locale"
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HOSTNAME=
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KEYLENGTH=2048
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RECALCULATE="no"
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FAST=''
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function show_help {
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echo ''
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echo $"${PROJECT_NAME}-dhparam -h [hostname] -l [length in bits] --recalc [yes|no] --fast [yes|no]"
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echo ''
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exit 0
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}
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function calc_dh {
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openssl dhparam -check -text $FAST $KEYLENGTH -out ${1}
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if [ ! "$?" = "0" ]; then
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exit 3674
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fi
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chmod 640 ${1}
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}
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function regenerate_dh_keys {
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for file in /etc/ssl/mycerts/*
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do
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if [[ -f $file ]]; then
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filename=/etc/ssl/certs/$(echo $file | awk -F '/etc/ssl/mycerts/' '{print $2}' | awk -F '.crt' '{print $1}').dhparam
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if [ -f $filename ]; then
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calc_dh $filename
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echo $"Recalculated DH params for $filename"
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fi
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fi
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done
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}
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while [[ $# > 1 ]]
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do
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key="$1"
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case $key in
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--help)
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show_help
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;;
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-h|--hostname)
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shift
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HOSTNAME="$1"
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;;
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-l|--dhkey)
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shift
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KEYLENGTH=${1}
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;;
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--recalc)
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shift
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RECALCULATE=${1}
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;;
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--fast)
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shift
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if [[ ${1} == "yes" || ${1} == "y" ]]; then
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FAST='-dsaparam'
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fi
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;;
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*)
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# unknown option
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;;
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esac
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shift
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done
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if [[ $RECALCULATE == "yes" || $RECALCULATE == "y" ]]; then
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regenerate_dh_keys
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exit 0
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fi
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if [ ! $HOSTNAME ]; then
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echo $'No hostname specified'
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exit 5728
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fi
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if ! which openssl > /dev/null ;then
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echo $"$0: openssl is not installed, exiting" 1>&2
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exit 5689
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fi
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if [ ! -d /etc/ssl/mycerts ]; then
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mkdir -p /etc/ssl/mycerts
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fi
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calc_dh /etc/ssl/certs/$HOSTNAME.dhparam
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systemctl reload nginx
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exit 0
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