diff options
Diffstat (limited to 'src/migration-scripts')
| -rwxr-xr-x | src/migration-scripts/ipsec/6-to-7 | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/migration-scripts/ipsec/6-to-7 b/src/migration-scripts/ipsec/6-to-7 new file mode 100755 index 000000000..788a87095 --- /dev/null +++ b/src/migration-scripts/ipsec/6-to-7 @@ -0,0 +1,169 @@ +#!/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/>. + +# Migrate /config/auth certificates and keys into 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() + +pki_base = ['pki'] +ipsec_site_base = ['vpn', 'ipsec', 'site-to-site', 'peer'] + +config = ConfigTree(config_file) +changes_made = False + +AUTH_DIR = '/config/auth' + +def wrapped_pem_to_config_value(pem): + return "".join(pem.strip().split("\n")[1:-1]) + +if config.exists(ipsec_site_base): + config.set(pki_base + ['ca']) + config.set_tag(pki_base + ['ca']) + + config.set(pki_base + ['certificate']) + config.set_tag(pki_base + ['certificate']) + + for peer in config.list_nodes(ipsec_site_base): + if not config.exists(ipsec_site_base + [peer, 'authentication', 'x509']): + continue + + changes_made = True + + peer_x509_base = ipsec_site_base + [peer, 'authentication', 'x509'] + pki_name = 'peer_' + peer.replace(".", "-") + + if config.exists(peer_x509_base + ['cert-file']): + cert_file = config.return_value(peer_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(peer_x509_base + ['certificate'], value=pki_name) + else: + print(f'Failed to migrate certificate on peer "{peer}"') + + config.delete(peer_x509_base + ['cert-file']) + + if config.exists(peer_x509_base + ['ca-cert-file']): + ca_cert_file = config.return_value(peer_x509_base + ['ca-cert-file']) + ca_cert_path = os.path.join(AUTH_DIR, ca_cert_file) + ca_cert = None + + if os.path.isfile(ca_cert_path): + if not os.access(ca_cert_path, os.R_OK): + run(f'sudo chmod 644 {ca_cert_path}') + + with open(ca_cert_path, 'r') as f: + ca_cert_data = f.read() + ca_cert = load_certificate(ca_cert_data, wrap_tags=False) + + if ca_cert: + ca_cert_pem = encode_certificate(ca_cert) + config.set(pki_base + ['ca', pki_name, 'certificate'], value=wrapped_pem_to_config_value(ca_cert_pem)) + config.set(peer_x509_base + ['ca-certificate'], value=pki_name) + else: + print(f'Failed to migrate CA certificate on peer "{peer}"') + + config.delete(peer_x509_base + ['ca-cert-file']) + + if config.exists(peer_x509_base + ['crl-file']): + crl_file = config.return_value(peer_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_crl(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 peer "{peer}"') + + config.delete(peer_x509_base + ['crl-file']) + + if config.exists(peer_x509_base + ['key', 'file']): + key_file = config.return_value(peer_x509_base + ['key', 'file']) + key_passphrase = None + + if config.exists(peer_x509_base + ['key', 'password']): + key_passphrase = config.return_value(peer_x509_base + ['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(peer_x509_base + ['private-key-passphrase'], value=key_passphrase) + else: + print(f'Failed to migrate private key on peer "{peer}"') + + config.delete(peer_x509_base + ['key']) + +if changes_made: + 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)) + sys.exit(1) |