client.keygen.sh
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#!/bin/bash
#
# Copyright © 2016-2024 The Thingsboard Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
usage() {
echo "This script generates client public/private key pair, extracts them to a no-password pem file,"
echo "and imports server public key to client keystore"
echo "usage: ./client.keygen.sh [-p file]"
echo " -p | --props | --properties file Properties file. default value is ./keygen.properties"
echo " -h | --help | ? Show this message"
}
PROPERTIES_FILE=keygen.properties
while true; do
case "$1" in
-p | --props | --properties) PROPERTIES_FILE=$2 ;
shift
;;
-h | --help | ?) usage
exit 0
;;
-- ) shift;
break
;;
* ) break
;;
esac
shift
done
. $PROPERTIES_FILE
if [ -f $CLIENT_FILE_PREFIX.jks ] || [ -f $CLIENT_FILE_PREFIX.pub.pem ] || [ -f $CLIENT_FILE_PREFIX.nopass.pem ] || \
[ -f $CLIENT_FILE_PREFIX.pem ] || [ -f $CLIENT_FILE_PREFIX.p12 ] || [ -f $CLIENT_FILE_PREFIX.pk8.pem ];
then
while :
do
read -p "Output files from previous server.keygen.sh script run found. Overwrite? [Y/N]: " response
case $response in
[nN]|[nN][oO])
echo "Skipping"
echo "Done"
exit 0
;;
[yY]|[yY][eE]|[yY][eE][sS]|"")
echo "Cleaning up files"
rm -rf $CLIENT_FILE_PREFIX.jks
rm -rf $CLIENT_FILE_PREFIX.pub.pem
rm -rf $CLIENT_FILE_PREFIX.nopass.pem
rm -rf $CLIENT_FILE_PREFIX.pem
rm -rf $CLIENT_FILE_PREFIX.p12
rm -rf $CLIENT_FILE_PREFIX.pk8.pem
break;
;;
*) echo "Please reply 'yes' or 'no'"
;;
esac
done
fi
OPENSSL_CMD=""
case $CLIENT_KEY_ALG in
RSA)
OPENSSL_CMD="rsa"
;;
EC)
OPENSSL_CMD="ec"
;;
esac
if [ -z "$OPENSSL_CMD" ]; then
echo "Unexpected CLIENT_KEY_ALG. Exiting."
exit 0
fi
echo "INFO: your hostname is $(hostname)"
echo "INFO: your CN (domain suffix) for key is $DOMAIN_SUFFIX"
echo "Generating SSL Key Pair..."
keytool -genkeypair -v \
-alias $CLIENT_KEY_ALIAS \
-keystore $CLIENT_FILE_PREFIX.jks \
-keypass $CLIENT_KEY_PASSWORD \
-storepass $CLIENT_KEYSTORE_PASSWORD \
-keyalg $CLIENT_KEY_ALG \
-groupname $CLIENT_KEY_GROUP_NAME \
-validity 9999 \
-dname "CN=$DOMAIN_SUFFIX, OU=$ORGANIZATIONAL_UNIT, O=$ORGANIZATION, L=$CITY, ST=$STATE_OR_PROVINCE, C=$TWO_LETTER_COUNTRY_CODE"
echo "Converting keystore to pkcs12"
keytool -importkeystore \
-srckeystore $CLIENT_FILE_PREFIX.jks \
-destkeystore $CLIENT_FILE_PREFIX.p12 \
-srcalias $CLIENT_KEY_ALIAS \
-srcstoretype jks \
-deststoretype pkcs12 \
-srcstorepass $CLIENT_KEYSTORE_PASSWORD \
-deststorepass $CLIENT_KEY_PASSWORD \
-srckeypass $CLIENT_KEY_PASSWORD \
-destkeypass $CLIENT_KEY_PASSWORD
echo "Converting pkcs12 to pem"
openssl pkcs12 -in $CLIENT_FILE_PREFIX.p12 \
-out $CLIENT_FILE_PREFIX.pem \
-passin pass:$CLIENT_KEY_PASSWORD \
-passout pass:$CLIENT_KEY_PASSWORD
echo "Converting pem to pkcs8"
openssl pkcs8 \
-topk8 \
-nocrypt \
-in $CLIENT_FILE_PREFIX.pem \
-out $CLIENT_FILE_PREFIX.pk8.pem \
-passin pass:$CLIENT_KEY_PASSWORD
echo "Importing server public key to $CLIENT_FILE_PREFIX.jks"
keytool --importcert \
-file $SERVER_FILE_PREFIX.cer \
-keystore $CLIENT_FILE_PREFIX.jks \
-alias $SERVER_KEY_ALIAS \
-keypass $SERVER_KEY_PASSWORD \
-storepass $CLIENT_KEYSTORE_PASSWORD \
-noprompt
echo "Exporting no-password pem certificate"
openssl $OPENSSL_CMD -in $CLIENT_FILE_PREFIX.pem -out $CLIENT_FILE_PREFIX.nopass.pem -passin pass:$CLIENT_KEY_PASSWORD
tail -n +$(($(grep -m1 -n -e '-----BEGIN CERTIFICATE' $CLIENT_FILE_PREFIX.pem | cut -d: -f1) )) \
$CLIENT_FILE_PREFIX.pem >> $CLIENT_FILE_PREFIX.nopass.pem
echo "Exporting client public key"
tail -n +$(($(grep -m1 -n -e '-----BEGIN CERTIFICATE' $CLIENT_FILE_PREFIX.pem | cut -d: -f1) )) \
$CLIENT_FILE_PREFIX.pem >> $CLIENT_FILE_PREFIX.pub.pem
echo "Done."