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#!/bin/sh
# Copyright (c) 2016 Peter Palfrader <peter@palfrader.org>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
set -e
set -u
cd ~/certs
if [ "$#" != 1 ]; then
echo >&2 "Usage: $0 <fqdn>"
exit 1
fi
cn="$1"
shift
if ! [ -e "$cn.key" ] ; then
echo >&2 "$cn.key does not exist."
exit 1
fi
if [ -e "$cn-letsencrypt.pem" ] ; then
pem="$cn-letsencrypt.pem"
chain="extra/letsencryptauthorityx1.pem"
elif [ -e "$cn.pem" ] ; then
pem="$cn.pem"
if [ -e "$cn-chain.pem" ]; then
chain="$cn-chain.pem"
else
chain=""
fi
elif [ -e "$cn-selfsigned.pem" ] ; then
pem="$cn-selfsigned.pem"
chain=""
echo >&2 "Warning: only selfsigned cert available for $cn."
else
echo >&2 "Error: no cert available for $cn."
exit 1
fi
(
cat "$pem"
if [ -n "$chain" ]; then
cat "$chain"
fi
size=$(openssl rsa < "$cn".key -text -noout | awk -F: '$1 == "Private-Key" {print $2}' | sed -e 's/[^0-9]//g')
if [ -e extra/dh-"$size".pem ]; then
cat extra/dh-"$size".pem;
else
echo >&2 "Warning: No extra/dh-$size.pem file found."
fi
) > $cn-combined.crt
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