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create-winrm-client-cert.sh
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executable file
·59 lines (45 loc) · 1.78 KB
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#!/bin/bash
# Copyright 2013 Cloudbase Solutions Srl
#
# 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.
set -e
USER_NAME=${1:-cloudbase-init-user-$RANDOM}
UPN=$USER_NAME@localhost
SUBJECT="/CN=$USER_NAME"
PFX_FILE=${2:-winrm_client_cert}.pfx
PEM_FILE=${PFX_FILE%.*}.pem
PRIVATE_DIR=`mktemp -d -t cloudbase-initXXXXXX`
chmod 700 $PRIVATE_DIR
EXT_CONF_FILE=`mktemp -t cloudbase-initXXXXXX.conf`
KEY_FILE=$PRIVATE_DIR/cert.key
cat > $EXT_CONF_FILE << EOF
distinguished_name = req_distinguished_name
[req_distinguished_name]
[v3_req_client]
extendedKeyUsage = clientAuth
subjectAltName = otherName:1.3.6.1.4.1.311.20.2.3;UTF8:$UPN
EOF
export OPENSSL_CONF=$EXT_CONF_FILE
openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -out "$PEM_FILE" \
-outform PEM -keyout $KEY_FILE -subj "$SUBJECT" \
-extensions v3_req_client 2> /dev/null
rm $EXT_CONF_FILE
unset OPENSSL_CONF
# This will ask for an export password.
# To avoid it, add: -password pass:yourpassword
openssl pkcs12 -export -in "$PEM_FILE" -inkey $KEY_FILE -out "$PFX_FILE"
rm -rf $PRIVATE_DIR
THUMBPRINT=`openssl x509 -inform PEM -in "$PEM_FILE" -fingerprint -noout | \
sed -e 's/\://g' | sed -n 's/^.*=\(.*\)$/\1/p'`
echo "Certificate Subject: $(echo \"$SUBJECT\" | sed -e 's/\///g')"
echo "Certificate Thumbprint: $THUMBPRINT"