161 lines
6.0 KiB
Python
161 lines
6.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 matrix.org
|
|
#
|
|
# 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.
|
|
|
|
|
|
import ConfigParser as configparser
|
|
import argparse
|
|
import socket
|
|
import sys
|
|
import os
|
|
from OpenSSL import crypto
|
|
import nacl.signing
|
|
from syutil.base64util import encode_base64
|
|
import subprocess
|
|
|
|
|
|
def load_config(description, argv):
|
|
config_parser = argparse.ArgumentParser(add_help=False)
|
|
config_parser.add_argument("-c", "--config-path", metavar="CONFIG_FILE",
|
|
help="Specify config file")
|
|
config_args, remaining_args = config_parser.parse_known_args(argv)
|
|
if config_args.config_path:
|
|
config = configparser.SafeConfigParser()
|
|
config.read([config_args.config_path])
|
|
defaults = dict(config.items("KeyServer"))
|
|
else:
|
|
defaults = {}
|
|
parser = argparse.ArgumentParser(
|
|
parents=[config_parser],
|
|
description=description,
|
|
formatter_class=argparse.RawDescriptionHelpFormatter,
|
|
)
|
|
parser.set_defaults(**defaults)
|
|
parser.add_argument("--server-name", default=socket.getfqdn(),
|
|
help="The name of the server")
|
|
parser.add_argument("--signing-key-path",
|
|
help="The signing key to sign responses with")
|
|
parser.add_argument("--tls-certificate-path",
|
|
help="PEM encoded X509 certificate for TLS")
|
|
parser.add_argument("--tls-private-key-path",
|
|
help="PEM encoded private key for TLS")
|
|
parser.add_argument("--tls-dh-params-path",
|
|
help="PEM encoded dh parameters for ephemeral keys")
|
|
parser.add_argument("--bind-port", type=int,
|
|
help="TCP port to listen on")
|
|
parser.add_argument("--bind-host", default="",
|
|
help="Local interface to listen on")
|
|
|
|
args = parser.parse_args(remaining_args)
|
|
|
|
server_config = vars(args)
|
|
del server_config["config_path"]
|
|
return server_config
|
|
|
|
|
|
def generate_config(argv):
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("-c", "--config-path", help="Specify config file",
|
|
metavar="CONFIG_FILE", required=True)
|
|
parser.add_argument("--server-name", default=socket.getfqdn(),
|
|
help="The name of the server")
|
|
parser.add_argument("--signing-key-path",
|
|
help="The signing key to sign responses with")
|
|
parser.add_argument("--tls-certificate-path",
|
|
help="PEM encoded X509 certificate for TLS")
|
|
parser.add_argument("--tls-private-key-path",
|
|
help="PEM encoded private key for TLS")
|
|
parser.add_argument("--tls-dh-params-path",
|
|
help="PEM encoded dh parameters for ephemeral keys")
|
|
parser.add_argument("--bind-port", type=int, required=True,
|
|
help="TCP port to listen on")
|
|
parser.add_argument("--bind-host", default="",
|
|
help="Local interface to listen on")
|
|
|
|
args = parser.parse_args(argv)
|
|
|
|
dir_name = os.path.dirname(args.config_path)
|
|
base_key_name = os.path.join(dir_name, args.server_name)
|
|
|
|
if args.signing_key_path is None:
|
|
args.signing_key_path = base_key_name + ".signing.key"
|
|
|
|
if args.tls_certificate_path is None:
|
|
args.tls_certificate_path = base_key_name + ".tls.crt"
|
|
|
|
if args.tls_private_key_path is None:
|
|
args.tls_private_key_path = base_key_name + ".tls.key"
|
|
|
|
if args.tls_dh_params_path is None:
|
|
args.tls_dh_params_path = base_key_name + ".tls.dh"
|
|
|
|
if not os.path.exists(args.signing_key_path):
|
|
with open(args.signing_key_path, "w") as signing_key_file:
|
|
key = nacl.signing.SigningKey.generate()
|
|
signing_key_file.write(encode_base64(key.encode()))
|
|
|
|
if not os.path.exists(args.tls_private_key_path):
|
|
with open(args.tls_private_key_path, "w") as private_key_file:
|
|
tls_private_key = crypto.PKey()
|
|
tls_private_key.generate_key(crypto.TYPE_RSA, 2048)
|
|
private_key_pem = crypto.dump_privatekey(
|
|
crypto.FILETYPE_PEM, tls_private_key
|
|
)
|
|
private_key_file.write(private_key_pem)
|
|
else:
|
|
with open(args.tls_private_key_path) as private_key_file:
|
|
private_key_pem = private_key_file.read()
|
|
tls_private_key = crypto.load_privatekey(
|
|
crypto.FILETYPE_PEM, private_key_pem
|
|
)
|
|
|
|
if not os.path.exists(args.tls_certificate_path):
|
|
with open(args.tls_certificate_path, "w") as certifcate_file:
|
|
cert = crypto.X509()
|
|
subject = cert.get_subject()
|
|
subject.CN = args.server_name
|
|
|
|
cert.set_serial_number(1000)
|
|
cert.gmtime_adj_notBefore(0)
|
|
cert.gmtime_adj_notAfter(10 * 365 * 24 * 60 * 60)
|
|
cert.set_issuer(cert.get_subject())
|
|
cert.set_pubkey(tls_private_key)
|
|
|
|
cert.sign(tls_private_key, 'sha256')
|
|
|
|
cert_pem = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
|
|
|
|
certifcate_file.write(cert_pem)
|
|
|
|
if not os.path.exists(args.tls_dh_params_path):
|
|
subprocess.check_call([
|
|
"openssl", "dhparam",
|
|
"-outform", "PEM",
|
|
"-out", args.tls_dh_params_path,
|
|
"2048"
|
|
])
|
|
|
|
config = configparser.SafeConfigParser()
|
|
config.add_section("KeyServer")
|
|
for key, value in vars(args).items():
|
|
if key != "config_path":
|
|
config.set("KeyServer", key, str(value))
|
|
|
|
with open(args.config_path, "w") as config_file:
|
|
config.write(config_file)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
generate_config(sys.argv[1:])
|