diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/vyos/configverify.py | 7 | ||||
| -rw-r--r-- | python/vyos/pki.py | 26 |
2 files changed, 30 insertions, 3 deletions
diff --git a/python/vyos/configverify.py b/python/vyos/configverify.py index 18fb7f9f7..fab88bc72 100644 --- a/python/vyos/configverify.py +++ b/python/vyos/configverify.py @@ -224,9 +224,10 @@ def verify_bridge_delete(config): when interface also is part of a bridge. """ if 'is_bridge_member' in config: - raise ConfigError( - 'Interface "{ifname}" cannot be deleted as it is a ' - 'member of bridge "{is_bridge_member}"!'.format(**config)) + interface = config['ifname'] + for bridge in config['is_bridge_member']: + raise ConfigError(f'Interface "{interface}" cannot be deleted as it ' + f'is a member of bridge "{bridge}"!') def verify_interface_exists(ifname): """ diff --git a/python/vyos/pki.py b/python/vyos/pki.py index 68ad73bf2..0b916eaae 100644 --- a/python/vyos/pki.py +++ b/python/vyos/pki.py @@ -331,3 +331,29 @@ def verify_certificate(cert, ca_cert): return True except InvalidSignature: return False + +# Certificate chain + +def find_parent(cert, ca_certs): + for ca_cert in ca_certs: + if verify_certificate(cert, ca_cert): + return ca_cert + return None + +def find_chain(cert, ca_certs): + remaining = ca_certs.copy() + chain = [cert] + + while remaining: + parent = find_parent(chain[-1], remaining) + if parent is None: + # No parent in the list of remaining certificates or there's a circular dependency + break + elif parent == chain[-1]: + # Self-signed: must be root CA (end of chain) + break + else: + remaining.remove(parent) + chain.append(parent) + + return chain |