diff options
Diffstat (limited to 'src/migration-scripts/l2tp/3-to-4')
| -rw-r--r-- | src/migration-scripts/l2tp/3-to-4 | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/migration-scripts/l2tp/3-to-4 b/src/migration-scripts/l2tp/3-to-4 new file mode 100644 index 0000000..01c3fa8 --- /dev/null +++ b/src/migration-scripts/l2tp/3-to-4 @@ -0,0 +1,148 @@ +# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. + +# T2816: T3642: Move IPSec/L2TP code into vpn_ipsec.py and update to use PKI. + +import os + +from vyos.configtree import ConfigTree +from vyos.pki import load_certificate +from vyos.pki import load_private_key +from vyos.pki import encode_certificate +from vyos.pki import encode_private_key +from vyos.utils.process import run + +base = ['vpn', 'l2tp', 'remote-access', 'ipsec-settings'] +pki_base = ['pki'] + +AUTH_DIR = '/config/auth' + +def wrapped_pem_to_config_value(pem): + return "".join(pem.strip().split("\n")[1:-1]) + +def migrate(config: ConfigTree) -> None: + if not config.exists(base): + return + + if not config.exists(base + ['authentication', 'x509']): + return + + x509_base = base + ['authentication', 'x509'] + pki_name = 'l2tp_remote_access' + + 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 l2tp remote-access config') + + config.delete(x509_base + ['ca-cert-file']) + + if config.exists(x509_base + ['crl-file']): + crl_file = config.return_value(x509_base + ['crl-file']) + crl_path = os.path.join(AUTH_DIR, crl_file) + crl = None + + if os.path.isfile(crl_path): + if not os.access(crl_path, os.R_OK): + run(f'sudo chmod 644 {crl_path}') + + with open(crl_path, 'r') as f: + crl_data = f.read() + crl = load_certificate(crl_data, wrap_tags=False) + + if crl: + crl_pem = encode_certificate(crl) + config.set(pki_base + ['ca', pki_name, 'crl'], value=wrapped_pem_to_config_value(crl_pem)) + else: + print(f'Failed to migrate CRL on l2tp remote-access config') + + config.delete(x509_base + ['crl-file']) + + if config.exists(x509_base + ['server-cert-file']): + cert_file = config.return_value(x509_base + ['server-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 l2tp remote-access config') + + config.delete(x509_base + ['server-cert-file']) + + if config.exists(x509_base + ['server-key-file']): + key_file = config.return_value(x509_base + ['server-key-file']) + key_passphrase = None + + if config.exists(x509_base + ['server-key-password']): + key_passphrase = config.return_value(x509_base + ['server-key-password']) + + 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=key_passphrase, wrap_tags=False) + + if key: + key_pem = encode_private_key(key, passphrase=key_passphrase) + config.set(pki_base + ['certificate', pki_name, 'private', 'key'], value=wrapped_pem_to_config_value(key_pem)) + + if key_passphrase: + config.set(pki_base + ['certificate', pki_name, 'private', 'password-protected']) + config.set(x509_base + ['private-key-passphrase'], value=key_passphrase) + else: + print(f'Failed to migrate private key on l2tp remote-access config') + + config.delete(x509_base + ['server-key-file']) + if config.exists(x509_base + ['server-key-password']): + config.delete(x509_base + ['server-key-password']) |