#!/usr/bin/env python3 # # Copyright (C) 2021 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # - Update SSL to use PKI configuration import os from sys import argv from sys import exit from vyos.configtree import ConfigTree from vyos.pki import load_certificate from vyos.pki import load_crl from vyos.pki import load_private_key from vyos.pki import encode_certificate from vyos.pki import encode_private_key from vyos.util import run if (len(argv) < 1): print("Must specify file name!") exit(1) file_name = argv[1] with open(file_name, 'r') as f: config_file = f.read() config = ConfigTree(config_file) base = ['vpn', 'openconnect'] pki_base = ['pki'] if not config.exists(base): exit(0) AUTH_DIR = '/config/auth' def wrapped_pem_to_config_value(pem): return "".join(pem.strip().split("\n")[1:-1]) if not config.exists(base + ['ssl']): exit(0) x509_base = base + ['ssl'] pki_name = 'openconnect' if not config.exists(pki_base + ['ca']): config.set(pki_base + ['ca']) config.set_tag(pki_base + ['ca']) if not config.exists(pki_base + ['certificate']): config.set(pki_base + ['certificate']) config.set_tag(pki_base + ['certificate']) if config.exists(x509_base + ['ca-cert-file']): cert_file = config.return_value(x509_base + ['ca-cert-file']) cert_path = os.path.join(AUTH_DIR, cert_file) cert = None if os.path.isfile(cert_path): if not os.access(cert_path, os.R_OK): run(f'sudo chmod 644 {cert_path}') with open(cert_path, 'r') as f: cert_data = f.read() cert = load_certificate(cert_data, wrap_tags=False) if cert: cert_pem = encode_certificate(cert) config.set(pki_base + ['ca', pki_name, 'certificate'], value=wrapped_pem_to_config_value(cert_pem)) config.set(x509_base + ['ca-certificate'], value=pki_name) else: print(f'Failed to migrate CA certificate on openconnect config') config.delete(x509_base + ['ca-cert-file']) if config.exists(x509_base + ['cert-file']): cert_file = config.return_value(x509_base + ['cert-file']) cert_path = os.path.join(AUTH_DIR, cert_file) cert = None if os.path.isfile(cert_path): if not os.access(cert_path, os.R_OK): run(f'sudo chmod 644 {cert_path}') with open(cert_path, 'r') as f: cert_data = f.read() cert = load_certificate(cert_data, wrap_tags=False) if cert: cert_pem = encode_certificate(cert) config.set(pki_base + ['certificate', pki_name, 'certificate'], value=wrapped_pem_to_config_value(cert_pem)) config.set(x509_base + ['certificate'], value=pki_name) else: print(f'Failed to migrate certificate on openconnect config') config.delete(x509_base + ['cert-file']) if config.exists(x509_base + ['key-file']): key_file = config.return_value(x509_base + ['key-file']) key_path = os.path.join(AUTH_DIR, key_file) key = None if os.path.isfile(key_path): if not os.access(key_path, os.R_OK): run(f'sudo chmod 644 {key_path}') with open(key_path, 'r') as f: key_data = f.read() key = load_private_key(key_data, passphrase=None, wrap_tags=False) if key: key_pem = encode_private_key(key, passphrase=None) config.set(pki_base + ['certificate', pki_name, 'private', 'key'], value=wrapped_pem_to_config_value(key_pem)) else: print(f'Failed to migrate private key on openconnect config') config.delete(x509_base + ['key-file']) try: with open(file_name, 'w') as f: f.write(config.to_string()) except OSError as e: print("Failed to save the modified config: {}".format(e)) exit(1)