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-rwxr-xr-xsrc/conf_mode/interfaces-openvpn.py43
1 files changed, 29 insertions, 14 deletions
diff --git a/src/conf_mode/interfaces-openvpn.py b/src/conf_mode/interfaces-openvpn.py
index 4750ca3e8..280a62b9a 100755
--- a/src/conf_mode/interfaces-openvpn.py
+++ b/src/conf_mode/interfaces-openvpn.py
@@ -39,6 +39,8 @@ from vyos.configverify import verify_mirror_redirect
from vyos.ifconfig import VTunIf
from vyos.pki import load_dh_parameters
from vyos.pki import load_private_key
+from vyos.pki import sort_ca_chain
+from vyos.pki import verify_ca_chain
from vyos.pki import wrap_certificate
from vyos.pki import wrap_crl
from vyos.pki import wrap_dh_parameters
@@ -148,8 +150,14 @@ def verify_pki(openvpn):
if 'ca_certificate' not in tls:
raise ConfigError(f'Must specify "tls ca-certificate" on openvpn interface {interface}')
- if tls['ca_certificate'] not in pki['ca']:
- raise ConfigError(f'Invalid CA certificate on openvpn interface {interface}')
+ for ca_name in tls['ca_certificate']:
+ if ca_name not in pki['ca']:
+ raise ConfigError(f'Invalid CA certificate on openvpn interface {interface}')
+
+ if len(tls['ca_certificate']) > 1:
+ sorted_chain = sort_ca_chain(tls['ca_certificate'], pki['ca'])
+ if not verify_ca_chain(sorted_chain, pki['ca']):
+ raise ConfigError(f'CA certificates are not a valid chain')
if mode != 'client' and 'auth_key' not in tls:
if 'certificate' not in tls:
@@ -516,21 +524,28 @@ def generate_pki_files(openvpn):
if tls:
if 'ca_certificate' in tls:
- cert_name = tls['ca_certificate']
- pki_ca = pki['ca'][cert_name]
+ cert_path = os.path.join(cfg_dir, f'{interface}_ca.pem')
+ crl_path = os.path.join(cfg_dir, f'{interface}_crl.pem')
- if 'certificate' in pki_ca:
- cert_path = os.path.join(cfg_dir, f'{interface}_ca.pem')
- write_file(cert_path, wrap_certificate(pki_ca['certificate']),
- user=user, group=group, mode=0o600)
+ if os.path.exists(cert_path):
+ os.unlink(cert_path)
+
+ if os.path.exists(crl_path):
+ os.unlink(crl_path)
+
+ for cert_name in sort_ca_chain(tls['ca_certificate'], pki['ca']):
+ pki_ca = pki['ca'][cert_name]
+
+ if 'certificate' in pki_ca:
+ write_file(cert_path, wrap_certificate(pki_ca['certificate']) + "\n",
+ user=user, group=group, mode=0o600, append=True)
- if 'crl' in pki_ca:
- for crl in pki_ca['crl']:
- crl_path = os.path.join(cfg_dir, f'{interface}_crl.pem')
- write_file(crl_path, wrap_crl(crl), user=user, group=group,
- mode=0o600)
+ if 'crl' in pki_ca:
+ for crl in pki_ca['crl']:
+ write_file(crl_path, wrap_crl(crl) + "\n", user=user, group=group,
+ mode=0o600, append=True)
- openvpn['tls']['crl'] = True
+ openvpn['tls']['crl'] = True
if 'certificate' in tls:
cert_name = tls['certificate']