diff options
Diffstat (limited to 'src/conf_mode/vpn_ipsec.py')
| -rwxr-xr-x | src/conf_mode/vpn_ipsec.py | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/src/conf_mode/vpn_ipsec.py b/src/conf_mode/vpn_ipsec.py index 46f041cce..0c2f232df 100755 --- a/src/conf_mode/vpn_ipsec.py +++ b/src/conf_mode/vpn_ipsec.py @@ -72,7 +72,7 @@ KEY_PATH = f'{swanctl_dir}/private/' CA_PATH = f'{swanctl_dir}/x509ca/' CRL_PATH = f'{swanctl_dir}/x509crl/' -DHCP_HOOK_IFLIST = '/tmp/ipsec_dhcp_waiting' +DHCP_HOOK_IFLIST = '/tmp/ipsec_dhcp_interfaces' def get_config(config=None): if config: @@ -91,6 +91,7 @@ def get_config(config=None): with_recursive_defaults=True, with_pki=True) + ipsec['dhcp_interfaces'] = set() ipsec['dhcp_no_address'] = {} ipsec['install_routes'] = 'no' if conf.exists(base + ["options", "disable-route-autoinstall"]) else default_install_routes ipsec['interface_change'] = leaf_node_changed(conf, base + ['interface']) @@ -226,6 +227,32 @@ def verify(ipsec): if 'remote_access' in ipsec: if 'connection' in ipsec['remote_access']: for name, ra_conf in ipsec['remote_access']['connection'].items(): + if 'local_address' not in ra_conf and 'dhcp_interface' not in ra_conf: + raise ConfigError(f"Missing local-address or dhcp-interface on remote-access connection {name}") + + if 'dhcp_interface' in ra_conf: + dhcp_interface = ra_conf['dhcp_interface'] + + verify_interface_exists(dhcp_interface) + dhcp_base = directories['isc_dhclient_dir'] + + if not os.path.exists(f'{dhcp_base}/dhclient_{dhcp_interface}.conf'): + raise ConfigError(f"Invalid dhcp-interface on remote-access connection {name}") + + ipsec['dhcp_interfaces'].add(dhcp_interface) + + address = get_dhcp_address(dhcp_interface) + count = 0 + while not address and count < dhcp_wait_attempts: + address = get_dhcp_address(dhcp_interface) + count += 1 + sleep(dhcp_wait_sleep) + + if not address: + ipsec['dhcp_no_address'][f'ra_{name}'] = dhcp_interface + print(f"Failed to get address from dhcp-interface on remote-access connection {name} -- skipped") + continue + if 'esp_group' in ra_conf: if 'esp_group' not in ipsec or ra_conf['esp_group'] not in ipsec['esp_group']: raise ConfigError(f"Invalid esp-group on {name} remote-access config") @@ -383,6 +410,8 @@ def verify(ipsec): if not os.path.exists(f'{dhcp_base}/dhclient_{dhcp_interface}.conf'): raise ConfigError(f"Invalid dhcp-interface on site-to-site peer {peer}") + ipsec['dhcp_interfaces'].add(dhcp_interface) + address = get_dhcp_address(dhcp_interface) count = 0 while not address and count < dhcp_wait_attempts: @@ -391,7 +420,7 @@ def verify(ipsec): sleep(dhcp_wait_sleep) if not address: - ipsec['dhcp_no_address'][peer] = dhcp_interface + ipsec['dhcp_no_address'][f'peer_{peer}'] = dhcp_interface print(f"Failed to get address from dhcp-interface on site-to-site peer {peer} -- skipped") continue @@ -492,9 +521,9 @@ def generate(ipsec): render(charon_conf, 'ipsec/charon.j2', {'install_routes': default_install_routes}) return - if ipsec['dhcp_no_address']: + if ipsec['dhcp_interfaces']: with open(DHCP_HOOK_IFLIST, 'w') as f: - f.write(" ".join(ipsec['dhcp_no_address'].values())) + f.write(" ".join(ipsec['dhcp_interfaces'])) elif os.path.exists(DHCP_HOOK_IFLIST): os.unlink(DHCP_HOOK_IFLIST) @@ -511,13 +540,23 @@ def generate(ipsec): if 'remote_access' in ipsec and 'connection' in ipsec['remote_access']: for rw, rw_conf in ipsec['remote_access']['connection'].items(): + if f'ra_{rw}' in ipsec['dhcp_no_address']: + continue + + local_ip = '' + if 'local_address' in rw_conf: + local_ip = rw_conf['local_address'] + elif 'dhcp_interface' in rw_conf: + local_ip = get_dhcp_address(rw_conf['dhcp_interface']) + + ipsec['remote_access']['connection'][rw]['local_address'] = local_ip if 'authentication' in rw_conf and 'x509' in rw_conf['authentication']: generate_pki_files_x509(ipsec['pki'], rw_conf['authentication']['x509']) if 'site_to_site' in ipsec and 'peer' in ipsec['site_to_site']: for peer, peer_conf in ipsec['site_to_site']['peer'].items(): - if peer in ipsec['dhcp_no_address']: + if f'peer_{peer}' in ipsec['dhcp_no_address']: continue if peer_conf['authentication']['mode'] == 'x509': |