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#!/usr/bin/env python
#
# ===================================================================
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
# ===================================================================
#
# This script creates the private keys and certificates required for
# running the serf test suite.
#
# It should be run from the test/certs folder without arguments.
# Certificates will be created in the test/certs folder, private keys in the
# test/certs/private folder.
#
# You'll need to install pyOpenSSL for this script to work.
from OpenSSL import crypto, SSL
from calendar import timegm
from datetime import datetime
# for serf, update this number every time the certs are updated.
SERIAL_NUMBER=100020
KEY_ALGO=crypto.TYPE_RSA
KEY_SIZE=2048
KEY_CIPHER='DES3'
SIGN_ALGO='SHA256'
VALID_DAYS=365 * 3
def create_key(keyfile='', passphrase=None):
key = crypto.PKey()
key.generate_key(KEY_ALGO, KEY_SIZE)
if passphrase:
open(keyfile, "wt").write(crypto.dump_privatekey(crypto.FILETYPE_PEM,
key, KEY_CIPHER,
passphrase))
else:
open(keyfile, "wt").write(crypto.dump_privatekey(crypto.FILETYPE_PEM,
key))
return key
def create_pkcs12(clientkey, clientcert, issuer, pkcs12file, passphrase=None):
pkcs12 = crypto.PKCS12()
pkcs12.set_certificate(clientcert)
pkcs12.set_privatekey(clientkey)
pkcs12.set_ca_certificates([issuer])
open(pkcs12file, "wt").write(pkcs12.export(passphrase=passphrase,
iter=2048, maciter=2048))
def create_crl(revokedcert, cakey, cacert, crlfile, next_crl_days=VALID_DAYS):
crl = crypto.CRL()
revoked = crypto.Revoked()
serial_number = "%x" % revokedcert.get_serial_number()
now = datetime.utcnow()
now_str = now.strftime('%Y%m%d%H%M%SZ')
revoked.set_serial(serial_number)
revoked.set_reason('unspecified')
revoked.set_rev_date(now_str) # revoked as of now
crl.add_revoked(revoked)
open(crlfile, "wt").write(crl.export(cacert, cakey, days=next_crl_days,
digest=b'md5'))
# subjectAltName
def create_cert(subjectkey, certfile, issuer=None, issuerkey=None, country='',
state='', city='', org='', ou='', cn='', email='', ca=False,
valid_before=0, days_valid=VALID_DAYS, subjectAltName=None,
ocsp_responder_url=None, ocsp_signer=False):
'''
Create a X509 signed certificate.
subjectAltName
Array of fully qualified subject alternative names (use OpenSSL syntax):
For a DNS entry, use: ['DNS:localhost']. Other options are 'email', 'URI', 'IP'.
'''
cert = crypto.X509()
cert.set_version(3-1) # version 3, starts at 0
cert.get_subject().C = country
cert.get_subject().ST = state
cert.get_subject().L = city
cert.get_subject().O = org
cert.get_subject().OU = ou
if cn:
cert.get_subject().CN = cn
cert.get_subject().emailAddress = email
cert.set_serial_number(SERIAL_NUMBER)
cert.set_pubkey(subjectkey)
cert.gmtime_adj_notBefore(valid_before * 24 * 3600)
cert.gmtime_adj_notAfter(days_valid * 24 * 3600)
if issuer is None:
issuer = cert # self signed
issuerkey = subjectkey
cert.set_issuer(issuer.get_subject())
if ca:
cert.add_extensions([
crypto.X509Extension("basicConstraints", False,
"CA:TRUE"),
crypto.X509Extension("subjectKeyIdentifier", False, "hash",
subject=cert)
])
cert.add_extensions([
crypto.X509Extension("authorityKeyIdentifier", False,
"keyid:always", issuer=issuer)
])
if subjectAltName:
critical = True if not cn else False
cert.add_extensions([
crypto.X509Extension('subjectAltName', critical, ", ".join(subjectAltName))])
if ocsp_responder_url:
cert.add_extensions([
crypto.X509Extension('authorityInfoAccess', False,
'OCSP;URI:' + ocsp_responder_url)])
if ocsp_signer:
cert.add_extensions([
crypto.X509Extension('extendedKeyUsage', True, 'OCSPSigning')
])
cert.sign(issuerkey, SIGN_ALGO)
open(certfile, "wt").write(crypto.dump_certificate(crypto.FILETYPE_PEM,
cert))
return cert
if __name__ == '__main__':
# root CA key pair and certificate.
# This key will be used to sign the intermediate CA certificate
rootcakey = create_key('private/serfrootcakey.pem', 'serftest')
rootcacert = create_cert(subjectkey=rootcakey,
certfile='serfrootcacert.pem',
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Root CA', cn='Serf Root CA',
email='serfrootca@example.com', ca=True)
# intermediate CA key pair and certificate
# This key will be used to sign all server certificates
cakey = create_key('private/serfcakey.pem', 'serftest')
cacert = create_cert(subjectkey=cakey, certfile='serfcacert.pem',
issuer=rootcacert, issuerkey=rootcakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite CA', cn='Serf CA',
email='serfca@example.com', ca=True)
# server key pair
# server certificate, no errors
serverkey = create_key('private/serfserverkey.pem', 'serftest')
servercert = create_cert(subjectkey=serverkey,
certfile='serfservercert.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Server', cn='localhost',
email='serfserver@example.com')
# server certificate that expired a year ago
expiredcert = create_cert(subjectkey=serverkey,
certfile='serfserver_expired_cert.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Server', cn='localhost',
email='serfserver@example.com',
days_valid=-365)
# server certificate that will be valid in 10 years
expiredcert = create_cert(subjectkey=serverkey,
certfile='serfserver_future_cert.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Server', cn='localhost',
email='serfserver@example.com',
valid_before=10*365,
days_valid=13*365)
# server certificate with SubjectAltName and empty CN
san_nocncert = create_cert(subjectkey=serverkey,
certfile='serfserver_san_nocn_cert.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Server',
cn=None,
email='serfserver@example.com',
days_valid=13*365,
subjectAltName=['DNS:localhost'])
# server certificate with OCSP responder URL
ocspcert = create_cert(subjectkey=serverkey,
certfile='serfserver_san_ocsp_cert.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Server',
cn='localhost',
email='serfserver@example.com',
days_valid=13*365,
subjectAltName=['DNS:localhost'],
ocsp_responder_url='http://localhost:17080')
# OCSP responder certifi
ocsprspcert = create_cert(subjectkey=serverkey,
certfile='serfocspresponder.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Server',
cn='localhost',
email='serfserver@example.com',
days_valid=13*365,
ocsp_signer=True)
# client key pair and certificate
clientkey = create_key('private/serfclientkey.pem', 'serftest')
clientcert = create_cert(subjectkey=clientkey,
certfile='serfclientcert.pem',
issuer=cacert, issuerkey=cakey,
country='BE', state='Antwerp', city='Mechelen',
org='In Serf we trust, Inc.',
ou='Test Suite Client', cn='Serf Client',
email='serfclient@example.com')
clientpkcs12 = create_pkcs12(clientkey, clientcert, cacert,
'serfclientcert.p12', 'serftest')
# Note that this creates a v1 CRL file without extensions set, and with
# MD5 hash. Not ideal, but pyOpenSSL doesn't support more than this.
#
# crl
crl = create_crl(servercert, cakey, cacert, 'serfservercrl.pem')
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