diff options
Diffstat (limited to 'src/conf_mode')
| -rwxr-xr-x | src/conf_mode/container.py | 9 | ||||
| -rwxr-xr-x | src/conf_mode/firewall.py | 35 | ||||
| -rwxr-xr-x | src/conf_mode/interfaces-macsec.py | 74 | ||||
| -rwxr-xr-x | src/conf_mode/nat.py | 2 | ||||
| -rwxr-xr-x | src/conf_mode/vrf.py | 21 |
5 files changed, 88 insertions, 53 deletions
diff --git a/src/conf_mode/container.py b/src/conf_mode/container.py index ed7cc809c..478868a9a 100755 --- a/src/conf_mode/container.py +++ b/src/conf_mode/container.py @@ -33,6 +33,7 @@ from vyos.utils.process import call from vyos.utils.process import cmd from vyos.utils.process import run from vyos.utils.process import rc_cmd +from vyos.template import bracketize_ipv6 from vyos.template import inc_ip from vyos.template import is_ipv4 from vyos.template import is_ipv6 @@ -280,6 +281,14 @@ def generate_run_arguments(name, container_config): protocol = container_config['port'][portmap]['protocol'] sport = container_config['port'][portmap]['source'] dport = container_config['port'][portmap]['destination'] + listen_addresses = container_config['port'][portmap].get('listen_address', []) + + # If listen_addresses is not empty, include them in the publish command + if listen_addresses: + for listen_address in listen_addresses: + port += f' --publish {bracketize_ipv6(listen_address)}:{sport}:{dport}/{protocol}' + else: + # If listen_addresses is empty, just include the standard publish command port += f' --publish {sport}:{dport}/{protocol}' # Bind volume diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py index e946704b3..8ad3f27fc 100755 --- a/src/conf_mode/firewall.py +++ b/src/conf_mode/firewall.py @@ -351,39 +351,6 @@ def apply_sysfs(firewall): with open(path, 'w') as f: f.write(value) -def post_apply_trap(firewall): - if 'first_install' in firewall: - return None - - if not process_named_running('snmpd'): - return None - - trap_username = os.getlogin() - - for host, target_conf in firewall['trap_targets'].items(): - community = target_conf['community'] if 'community' in target_conf else 'public' - port = int(target_conf['port']) if 'port' in target_conf else 162 - - base_cmd = f'snmptrap -v2c -c {community} {host}:{port} 0 {snmp_trap_mib}::{snmp_trap_name} ' - - for change_type, changes in firewall['trap_diff'].items(): - for path_str, value in changes.items(): - objects = [ - f'mgmtEventUser s "{trap_username}"', - f'mgmtEventSource i {snmp_event_source}', - f'mgmtEventType i {snmp_change_type[change_type]}' - ] - - if change_type == 'add': - objects.append(f'mgmtEventCurrCfg s "{path_str} {value}"') - elif change_type == 'delete': - objects.append(f'mgmtEventPrevCfg s "{path_str} {value}"') - elif change_type == 'change': - objects.append(f'mgmtEventPrevCfg s "{path_str} {value[0]}"') - objects.append(f'mgmtEventCurrCfg s "{path_str} {value[1]}"') - - cmd(base_cmd + ' '.join(objects)) - def apply(firewall): install_result, output = rc_cmd(f'nft -f {nftables_conf}') if install_result == 1: @@ -408,8 +375,6 @@ def apply(firewall): print('Updating GeoIP. Please wait...') geoip_update(firewall) - post_apply_trap(firewall) - return None if __name__ == '__main__': diff --git a/src/conf_mode/interfaces-macsec.py b/src/conf_mode/interfaces-macsec.py index 3f86e2638..0a927ac88 100755 --- a/src/conf_mode/interfaces-macsec.py +++ b/src/conf_mode/interfaces-macsec.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2020-2022 VyOS maintainers and contributors +# Copyright (C) 2020-2023 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 @@ -43,6 +43,14 @@ airbag.enable() # XXX: wpa_supplicant works on the source interface wpa_suppl_conf = '/run/wpa_supplicant/{source_interface}.conf' +# Constants +## gcm-aes-128 requires a 128bit long key - 32 characters (string) = 16byte = 128bit +GCM_AES_128_LEN: int = 32 +GCM_128_KEY_ERROR = 'gcm-aes-128 requires a 128bit long key!' +## gcm-aes-256 requires a 256bit long key - 64 characters (string) = 32byte = 256bit +GCM_AES_256_LEN: int = 64 +GCM_256_KEY_ERROR = 'gcm-aes-256 requires a 256bit long key!' + def get_config(config=None): """ Retrive CLI config as dictionary. Dictionary can never be empty, as at least the @@ -89,18 +97,54 @@ def verify(macsec): raise ConfigError('Cipher suite must be set for MACsec "{ifname}"'.format(**macsec)) if dict_search('security.encrypt', macsec) != None: - if dict_search('security.mka.cak', macsec) == None or dict_search('security.mka.ckn', macsec) == None: - raise ConfigError('Missing mandatory MACsec security keys as encryption is enabled!') + # Check that only static or MKA config is present + if dict_search('security.static', macsec) != None and (dict_search('security.mka.cak', macsec) != None or dict_search('security.mka.ckn', macsec) != None): + raise ConfigError('Only static or MKA can be used!') + + # Logic to check static configuration + if dict_search('security.static', macsec) != None: + # tx-key must be defined + if dict_search('security.static.key', macsec) == None: + raise ConfigError('Static MACsec tx-key must be defined.') + + tx_len = len(dict_search('security.static.key', macsec)) + + if dict_search('security.cipher', macsec) == 'gcm-aes-128' and tx_len != GCM_AES_128_LEN: + raise ConfigError(GCM_128_KEY_ERROR) + + if dict_search('security.cipher', macsec) == 'gcm-aes-256' and tx_len != GCM_AES_256_LEN: + raise ConfigError(GCM_256_KEY_ERROR) + + # Make sure at least one peer is defined + if 'peer' not in macsec['security']['static']: + raise ConfigError('Must have at least one peer defined for static MACsec') + + # For every enabled peer, make sure a MAC and rx-key is defined + for peer, peer_config in macsec['security']['static']['peer'].items(): + if 'disable' not in peer_config and ('mac' not in peer_config or 'key' not in peer_config): + raise ConfigError('Every enabled MACsec static peer must have a MAC address and rx-key defined.') + + # check rx-key length against cipher suite + rx_len = len(peer_config['key']) + + if dict_search('security.cipher', macsec) == 'gcm-aes-128' and rx_len != GCM_AES_128_LEN: + raise ConfigError(GCM_128_KEY_ERROR) + + if dict_search('security.cipher', macsec) == 'gcm-aes-256' and rx_len != GCM_AES_256_LEN: + raise ConfigError(GCM_256_KEY_ERROR) + + # Logic to check MKA configuration + else: + if dict_search('security.mka.cak', macsec) == None or dict_search('security.mka.ckn', macsec) == None: + raise ConfigError('Missing mandatory MACsec security keys as encryption is enabled!') - cak_len = len(dict_search('security.mka.cak', macsec)) + cak_len = len(dict_search('security.mka.cak', macsec)) - if dict_search('security.cipher', macsec) == 'gcm-aes-128' and cak_len != 32: - # gcm-aes-128 requires a 128bit long key - 32 characters (string) = 16byte = 128bit - raise ConfigError('gcm-aes-128 requires a 128bit long key!') + if dict_search('security.cipher', macsec) == 'gcm-aes-128' and cak_len != GCM_AES_128_LEN: + raise ConfigError(GCM_128_KEY_ERROR) - elif dict_search('security.cipher', macsec) == 'gcm-aes-256' and cak_len != 64: - # gcm-aes-128 requires a 128bit long key - 64 characters (string) = 32byte = 256bit - raise ConfigError('gcm-aes-128 requires a 256bit long key!') + elif dict_search('security.cipher', macsec) == 'gcm-aes-256' and cak_len != GCM_AES_256_LEN: + raise ConfigError(GCM_256_KEY_ERROR) if 'source_interface' in macsec: # MACsec adds a 40 byte overhead (32 byte MACsec + 8 bytes VLAN 802.1ad @@ -115,7 +159,9 @@ def verify(macsec): def generate(macsec): - render(wpa_suppl_conf.format(**macsec), 'macsec/wpa_supplicant.conf.j2', macsec) + # Only generate wpa_supplicant config if using MKA + if dict_search('security.mka.cak', macsec): + render(wpa_suppl_conf.format(**macsec), 'macsec/wpa_supplicant.conf.j2', macsec) return None @@ -142,8 +188,10 @@ def apply(macsec): i = MACsecIf(**macsec) i.update(macsec) - if not is_systemd_service_running(systemd_service) or 'shutdown_required' in macsec: - call(f'systemctl reload-or-restart {systemd_service}') + # Only reload/restart if using MKA + if dict_search('security.mka.cak', macsec): + if not is_systemd_service_running(systemd_service) or 'shutdown_required' in macsec: + call(f'systemctl reload-or-restart {systemd_service}') return None diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index f9d711b36..9da7fbe80 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -224,7 +224,7 @@ def verify(nat): elif config['inbound_interface'] not in 'any' and config['inbound_interface'] not in interfaces(): Warning(f'rule "{rule}" interface "{config["inbound_interface"]}" does not exist on this system') - if not dict_search('translation.address', config) and not dict_search('translation.port', config) and not dict_search('translation.redirect.port', config): + if not dict_search('translation.address', config) and not dict_search('translation.port', config) and 'redirect' not in config['translation']: if 'exclude' not in config and 'backend' not in config['load_balance']: raise ConfigError(f'{err_msg} translation requires address and/or port') diff --git a/src/conf_mode/vrf.py b/src/conf_mode/vrf.py index be867b208..37625142c 100755 --- a/src/conf_mode/vrf.py +++ b/src/conf_mode/vrf.py @@ -28,6 +28,8 @@ from vyos.template import render from vyos.template import render_to_string from vyos.utils.dict import dict_search from vyos.utils.network import get_interface_config +from vyos.utils.network import get_vrf_members +from vyos.utils.network import interface_exists from vyos.utils.process import call from vyos.utils.process import cmd from vyos.utils.process import popen @@ -143,7 +145,7 @@ def verify(vrf): raise ConfigError(f'VRF "{name}" table id is mandatory!') # routing table id can't be changed - OS restriction - if os.path.isdir(f'/sys/class/net/{name}'): + if interface_exists(name): tmp = str(dict_search('linkinfo.info_data.table', get_interface_config(name))) if tmp and tmp != vrf_config['table']: raise ConfigError(f'VRF "{name}" table id modification not possible!') @@ -195,12 +197,23 @@ def apply(vrf): sysctl_write('net.ipv4.udp_l3mdev_accept', bind_all) for tmp in (dict_search('vrf_remove', vrf) or []): - if os.path.isdir(f'/sys/class/net/{tmp}'): - call(f'ip link delete dev {tmp}') + if interface_exists(tmp): + # T5492: deleting a VRF instance may leafe processes running + # (e.g. dhclient) as there is a depedency ordering issue in the CLI. + # We need to ensure that we stop the dhclient processes first so + # a proper DHCLP RELEASE message is sent + for interface in get_vrf_members(tmp): + vrf_iface = Interface(interface) + vrf_iface.set_dhcp(False) + vrf_iface.set_dhcpv6(False) + # Remove nftables conntrack zone map item nft_del_element = f'delete element inet vrf_zones ct_iface_map {{ "{tmp}" }}' cmd(f'nft {nft_del_element}') + # Delete the VRF Kernel interface + call(f'ip link delete dev {tmp}') + if 'name' in vrf: # Separate VRFs in conntrack table # check if table already exists @@ -245,7 +258,7 @@ def apply(vrf): for name, config in vrf['name'].items(): table = config['table'] - if not os.path.isdir(f'/sys/class/net/{name}'): + if not interface_exists(name): # For each VRF apart from your default context create a VRF # interface with a separate routing table call(f'ip link add {name} type vrf table {table}') |