From 973f06c00b902c43dfea34bdf01bdec7c599c452 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Wed, 19 Jun 2024 15:50:06 +0200 Subject: openconnect: T6500: add support for multiple ca-certificates Add possibility to provide a full CA chain to the openconnect server. * Support multiple CA certificates * For every CA certificate specified, always determine the full certificate chain in the background and add the necessary SSL certificates --- src/conf_mode/vpn_openconnect.py | 43 +++++++++++++++++++++++++++------------- 1 file changed, 29 insertions(+), 14 deletions(-) (limited to 'src') diff --git a/src/conf_mode/vpn_openconnect.py b/src/conf_mode/vpn_openconnect.py index 8159fedea..42785134f 100755 --- a/src/conf_mode/vpn_openconnect.py +++ b/src/conf_mode/vpn_openconnect.py @@ -21,14 +21,17 @@ from vyos.base import Warning from vyos.config import Config from vyos.configverify import verify_pki_certificate from vyos.configverify import verify_pki_ca_certificate -from vyos.pki import wrap_certificate +from vyos.pki import find_chain +from vyos.pki import encode_certificate +from vyos.pki import load_certificate from vyos.pki import wrap_private_key from vyos.template import render -from vyos.utils.process import call +from vyos.utils.dict import dict_search +from vyos.utils.file import write_file from vyos.utils.network import check_port_availability -from vyos.utils.process import is_systemd_service_running from vyos.utils.network import is_listen_port_bind_service -from vyos.utils.dict import dict_search +from vyos.utils.process import call +from vyos.utils.process import is_systemd_service_running from vyos import ConfigError from passlib.hash import sha512_crypt from time import sleep @@ -142,7 +145,8 @@ def verify(ocserv): verify_pki_certificate(ocserv, ocserv['ssl']['certificate']) if 'ca_certificate' in ocserv['ssl']: - verify_pki_ca_certificate(ocserv, ocserv['ssl']['ca_certificate']) + for ca_cert in ocserv['ssl']['ca_certificate']: + verify_pki_ca_certificate(ocserv, ca_cert) # Check network settings if "network_settings" in ocserv: @@ -219,25 +223,36 @@ def generate(ocserv): 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'])) + loaded_pki_cert = load_certificate(pki_cert['certificate']) + loaded_ca_certs = {load_certificate(c['certificate']) + for c in ocserv['pki']['ca'].values()} if 'ca' in ocserv['pki'] else {} + + cert_full_chain = find_chain(loaded_pki_cert, loaded_ca_certs) + + write_file(cert_file_path, + '\n'.join(encode_certificate(c) for c in cert_full_chain)) 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'])) + write_file(cert_key_path, 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] + ca_cert_file_path = os.path.join(cfg_dir, 'ca.pem') + ca_chains = [] + + for ca_name in ocserv['ssl']['ca_certificate']: + pki_ca_cert = ocserv['pki']['ca'][ca_name] + loaded_ca_cert = load_certificate(pki_ca_cert['certificate']) + ca_full_chain = find_chain(loaded_ca_cert, loaded_ca_certs) + ca_chains.append( + '\n'.join(encode_certificate(c) for c in ca_full_chain)) - with open(ca_cert_file_path, 'w') as f: - f.write(wrap_certificate(pki_ca_cert['certificate'])) + write_file(ca_cert_file_path, '\n'.join(ca_chains)) # Render config render(ocserv_conf, 'ocserv/ocserv_config.j2', ocserv) -- cgit v1.2.3