diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/vpn_openconnect.py | 65 | ||||
| -rwxr-xr-x | src/migration-scripts/openconnect/0-to-1 | 136 |
2 files changed, 194 insertions, 7 deletions
diff --git a/src/conf_mode/vpn_openconnect.py b/src/conf_mode/vpn_openconnect.py index 2986c3458..f6db196dc 100755 --- a/src/conf_mode/vpn_openconnect.py +++ b/src/conf_mode/vpn_openconnect.py @@ -19,9 +19,11 @@ from sys import exit from vyos.config import Config from vyos.configdict import dict_merge -from vyos.xml import defaults +from vyos.pki import wrap_certificate +from vyos.pki import wrap_private_key from vyos.template import render from vyos.util import call +from vyos.xml import defaults from vyos import ConfigError from crypt import crypt, mksalt, METHOD_SHA512 @@ -50,6 +52,10 @@ def get_config(): default_values = defaults(base) ocserv = dict_merge(default_values, ocserv) + if ocserv: + ocserv['pki'] = conf.get_config_dict(['pki'], key_mangling=('-', '_'), + get_first_key=True, no_tag_node_value_mangle=True) + return ocserv def verify(ocserv): @@ -72,14 +78,36 @@ def verify(ocserv): raise ConfigError('openconnect authentication credentials required') # Check ssl - if "ssl" in ocserv: - req_cert = ['cert_file', 'key_file'] - for cert in req_cert: - if not cert in ocserv["ssl"]: - raise ConfigError('openconnect ssl {0} required'.format(cert.replace('_', '-'))) - else: + if 'ssl' not in ocserv: raise ConfigError('openconnect ssl required') + if not ocserv['pki'] or 'certificate' not in ocserv['pki']: + raise ConfigError('PKI not configured') + + ssl = ocserv['ssl'] + if 'certificate' not in ssl: + raise ConfigError('openconnect ssl certificate required') + + cert_name = ssl['certificate'] + + if cert_name not in ocserv['pki']['certificate']: + raise ConfigError('Invalid openconnect ssl certificate') + + cert = ocserv['pki']['certificate'][cert_name] + + if 'certificate' not in cert: + raise ConfigError('Missing certificate in PKI') + + if 'private' not in cert or 'key' not in cert['private']: + raise ConfigError('Missing private key in PKI') + + if 'ca_certificate' in ssl: + if 'ca' not in ocserv['pki']: + raise ConfigError('PKI not configured') + + if ssl['ca_certificate'] not in ocserv['pki']['ca']: + raise ConfigError('Invalid openconnect ssl CA certificate') + # Check network settings if "network_settings" in ocserv: if "push_route" in ocserv["network_settings"]: @@ -109,6 +137,29 @@ def generate(ocserv): # Render local users render(ocserv_passwd, 'ocserv/ocserv_passwd.tmpl', ocserv["authentication"]["local_users"]) + if "ssl" in ocserv: + cert_file_path = os.path.join(cfg_dir, 'cert.pem') + cert_key_path = os.path.join(cfg_dir, 'cert.key') + ca_cert_file_path = os.path.join(cfg_dir, 'ca.pem') + + if 'certificate' in ocserv['ssl']: + cert_name = ocserv['ssl']['certificate'] + pki_cert = ocserv['pki']['certificate'][cert_name] + + with open(cert_file_path, 'w') as f: + f.write(wrap_certificate(pki_cert['certificate'])) + + if 'private' in pki_cert and 'key' in pki_cert['private']: + with open(cert_key_path, 'w') as f: + f.write(wrap_private_key(pki_cert['private']['key'])) + + if 'ca_certificate' in ocserv['ssl']: + ca_name = ocserv['ssl']['ca_certificate'] + pki_ca_cert = ocserv['pki']['ca'][ca_name] + + with open(ca_cert_file_path, 'w') as f: + f.write(wrap_certificate(pki_ca_cert['certificate'])) + # Render config render(ocserv_conf, 'ocserv/ocserv_config.tmpl', ocserv) diff --git a/src/migration-scripts/openconnect/0-to-1 b/src/migration-scripts/openconnect/0-to-1 new file mode 100755 index 000000000..83cd09143 --- /dev/null +++ b/src/migration-scripts/openconnect/0-to-1 @@ -0,0 +1,136 @@ +#!/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) |