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#!/usr/bin/env python
###
# ============LICENSE_START=======================================================
# Simulator
# ================================================================================
# Copyright (C) 2019 Nokia. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================
###
import os
import sys
import logging
import logging.config
logging.basicConfig()
logger = logging.getLogger()
logger.setLevel(logging.INFO)
# Placeholders definition - this needs to match placeholders in
# load_server_certs_xml_file and tls_listen_xml_file
SERVER_KEY_NAME = "SERVER_KEY_NAME"
SERVER_CERT_NAME = "SERVER_CERT_NAME"
SERVER_CERTIFICATE_HERE = "SERVER_CERTIFICATE_HERE"
CA_CERT_NAME = "CA_CERT_NAME"
CLIENT_CERT_NAME = "CLIENT_CERT_NAME"
CLIENT_CERTIFICATE_HERE="CLIENT_CERTIFICATE_HERE"
CA_CERTIFICATE_HERE = "CA_CERTIFICATE_HERE"
CLIENT_FINGERPRINT_HERE = "CLIENT_FINGERPRINT_HERE"
SERVER_CERTIFICATE_ENV = "SERVER_CERTIFICATE_ENV"
CA_CERTIFICATE_ENV = "CA_CERTIFICATE_ENV"
class FileHelper(object):
@classmethod
def get_file_contents(cls, filename):
with open(filename, "r") as f:
return f.read()
@classmethod
def write_file_contents(cls, filename, data):
with open(filename, "w+") as f:
f.write(data)
class CertHelper(object):
@classmethod
def get_pem_content_stripped(cls, pem_dir, pem_filename):
cmd = "cat {}/{} | grep -v '^-'".format(pem_dir, pem_filename)
content = CertHelper.system(cmd)
return content
@classmethod
def get_cert_fingerprint(cls, directory, cert_filename):
cmd = "openssl x509 -fingerprint -noout -in {}/{} | sed -e " \
"'s/SHA1 Fingerprint//; s/=//; s/=//p'" \
.format(directory, cert_filename)
fingerprint = CertHelper.system(cmd)
return fingerprint
@classmethod
def print_certs_info(cls, ca_cert, ca_fingerprint, server_cert):
logger.info("Will use server certificate: " + server_cert)
logger.info("Will use CA certificate: " + ca_cert)
logger.info("CA certificate fingerprint: " + ca_fingerprint)
@classmethod
def system(cls, cmd):
return os.popen(cmd).read().replace("\n", "")
class App(object):
@classmethod
def patch_server_certs(cls, data, server_key_filename_noext,
server_cert_filename_noext, ca_cert_filename_noext,
server_cert, ca_cert, client_cert_filename_noext, client_cert):
data = data.replace(SERVER_KEY_NAME, server_key_filename_noext)
data = data.replace(SERVER_CERT_NAME, server_cert_filename_noext)
data = data.replace(CA_CERT_NAME, ca_cert_filename_noext)
data = data.replace(CLIENT_CERT_NAME, client_cert_filename_noext)
data = data.replace(CLIENT_CERTIFICATE_HERE, client_cert)
data = data.replace(SERVER_CERTIFICATE_HERE, server_cert)
data = data.replace(CA_CERTIFICATE_HERE, ca_cert)
return data
@classmethod
def patch_tls_listen(cls, data, server_cert_filename_noext, client_fingerprint,
server_cert, ca_cert):
data = data.replace(SERVER_CERT_NAME, server_cert_filename_noext)
data = data.replace(CLIENT_FINGERPRINT_HERE, client_fingerprint)
data = data.replace(SERVER_CERTIFICATE_HERE, server_cert)
data = data.replace(CA_CERTIFICATE_HERE, ca_cert)
return data
@classmethod
def run(cls):
# name things
cert_dir = sys.argv[1]
ca_cert_filename = sys.argv[2]
server_cert_filename = sys.argv[3]
server_key_filename = sys.argv[4]
load_server_certs_xml_file = sys.argv[5]
tls_listen_xml_file = sys.argv[6]
client_cert_filename = sys.argv[7]
# strip extensions
ca_cert_filename_noext = ca_cert_filename.replace(".crt", "")
server_cert_filename_noext = server_cert_filename.replace(".crt", "")
server_key_filename_noext = server_key_filename.replace(".pem", "")
client_cert_filename_noext = client_cert_filename.replace(".crt", "")
# get certificates from files
server_cert = CertHelper.get_pem_content_stripped(cert_dir,
server_cert_filename)
ca_cert = CertHelper.get_pem_content_stripped(cert_dir,
ca_cert_filename)
client_fingerprint = CertHelper.get_cert_fingerprint(cert_dir,
client_cert_filename)
CertHelper.print_certs_info(ca_cert, client_fingerprint, server_cert)
client_cert = CertHelper.get_pem_content_stripped(cert_dir,
client_cert_filename)
# patch TLS configuration files
data_srv = FileHelper.get_file_contents(load_server_certs_xml_file)
patched_srv = App.patch_server_certs(data_srv, server_key_filename_noext,
server_cert_filename_noext,
ca_cert_filename_noext,
server_cert, ca_cert,
client_cert_filename_noext, client_cert)
FileHelper.write_file_contents(load_server_certs_xml_file, patched_srv)
data_tls = FileHelper.get_file_contents(tls_listen_xml_file)
patched_tls = App.patch_tls_listen(data_tls, server_cert_filename_noext,
client_fingerprint, server_cert, ca_cert)
FileHelper.write_file_contents(tls_listen_xml_file, patched_tls)
def main():
if len(sys.argv) is not 8:
print("Usage: {1} <cert_dir> <ca_cert_filename> <server_cert_filename> "
"<server_key_filename> <load_server_certs_xml_full_path> "
"<tls_listen_full_path> <client_cert_filename>", sys.argv[0])
return 1
App.run()
logger.info("XML files patched successfully")
if __name__ == '__main__':
main()
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