diff options
Diffstat (limited to 'src/conf_mode')
-rwxr-xr-x | src/conf_mode/container.py | 173 | ||||
-rwxr-xr-x | src/conf_mode/firewall.py | 84 | ||||
-rwxr-xr-x | src/conf_mode/http-api.py | 63 | ||||
-rwxr-xr-x | src/conf_mode/interfaces-virtual-ethernet.py | 98 | ||||
-rwxr-xr-x | src/conf_mode/interfaces-wireguard.py | 7 | ||||
-rwxr-xr-x | src/conf_mode/interfaces-wwan.py | 2 | ||||
-rwxr-xr-x | src/conf_mode/nat.py | 85 | ||||
-rwxr-xr-x | src/conf_mode/policy-route-interface.py | 132 | ||||
-rwxr-xr-x | src/conf_mode/policy-route.py | 106 | ||||
-rwxr-xr-x | src/conf_mode/policy.py | 137 | ||||
-rwxr-xr-x | src/conf_mode/protocols_bgp.py | 5 | ||||
-rwxr-xr-x | src/conf_mode/protocols_ospf.py | 52 | ||||
-rwxr-xr-x | src/conf_mode/service_monitoring_telegraf.py | 6 | ||||
-rwxr-xr-x | src/conf_mode/ssh.py | 3 | ||||
-rwxr-xr-x | src/conf_mode/system-login.py | 9 | ||||
-rwxr-xr-x | src/conf_mode/vpn_ipsec.py | 22 |
16 files changed, 551 insertions, 433 deletions
diff --git a/src/conf_mode/container.py b/src/conf_mode/container.py index ac3dc536b..8efeaed54 100755 --- a/src/conf_mode/container.py +++ b/src/conf_mode/container.py @@ -40,20 +40,7 @@ airbag.enable() config_containers_registry = '/etc/containers/registries.conf' config_containers_storage = '/etc/containers/storage.conf' - -def _run_rerun(container_cmd): - counter = 0 - while True: - if counter >= 10: - break - try: - _cmd(container_cmd) - break - except: - counter = counter +1 - sleep(0.5) - - return None +systemd_unit_path = '/run/systemd/system' def _cmd(command): if os.path.exists('/tmp/vyos.container.debug'): @@ -122,7 +109,7 @@ def verify(container): # of image upgrade and deletion. image = container_config['image'] if run(f'podman image exists {image}') != 0: - Warning(f'Image "{image}" used in contianer "{name}" does not exist '\ + Warning(f'Image "{image}" used in container "{name}" does not exist '\ f'locally. Please use "add container image {image}" to add it '\ f'to the system! Container "{name}" will not be started!') @@ -136,9 +123,6 @@ def verify(container): raise ConfigError(f'Container network "{network_name}" does not exist!') if 'address' in container_config['network'][network_name]: - if 'network' not in container_config: - raise ConfigError(f'Can not use "address" without "network" for container "{name}"!') - address = container_config['network'][network_name]['address'] network = None if is_ipv4(address): @@ -220,6 +204,72 @@ def verify(container): return None +def generate_run_arguments(name, container_config): + image = container_config['image'] + memory = container_config['memory'] + shared_memory = container_config['shared_memory'] + restart = container_config['restart'] + + # Add capability options. Should be in uppercase + cap_add = '' + if 'cap_add' in container_config: + for c in container_config['cap_add']: + c = c.upper() + c = c.replace('-', '_') + cap_add += f' --cap-add={c}' + + # Add a host device to the container /dev/x:/dev/x + device = '' + if 'device' in container_config: + for dev, dev_config in container_config['device'].items(): + source_dev = dev_config['source'] + dest_dev = dev_config['destination'] + device += f' --device={source_dev}:{dest_dev}' + + # Check/set environment options "-e foo=bar" + env_opt = '' + if 'environment' in container_config: + for k, v in container_config['environment'].items(): + env_opt += f" -e \"{k}={v['value']}\"" + + # Publish ports + port = '' + if 'port' in container_config: + protocol = '' + for portmap in container_config['port']: + if 'protocol' in container_config['port'][portmap]: + protocol = container_config['port'][portmap]['protocol'] + protocol = f'/{protocol}' + else: + protocol = '/tcp' + sport = container_config['port'][portmap]['source'] + dport = container_config['port'][portmap]['destination'] + port += f' -p {sport}:{dport}{protocol}' + + # Bind volume + volume = '' + if 'volume' in container_config: + for vol, vol_config in container_config['volume'].items(): + svol = vol_config['source'] + dvol = vol_config['destination'] + volume += f' -v {svol}:{dvol}' + + container_base_cmd = f'--detach --interactive --tty --replace {cap_add} ' \ + f'--memory {memory}m --shm-size {shared_memory}m --memory-swap 0 --restart {restart} ' \ + f'--name {name} {device} {port} {volume} {env_opt}' + + if 'allow_host_networks' in container_config: + return f'{container_base_cmd} --net host {image}' + + ip_param = '' + networks = ",".join(container_config['network']) + for network in container_config['network']: + if 'address' in container_config['network'][network]: + address = container_config['network'][network]['address'] + ip_param = f'--ip {address}' + + return f'{container_base_cmd} --net {networks} {ip_param} {image}' + def generate(container): # bail out early - looks like removal from running config if not container: @@ -263,6 +313,15 @@ def generate(container): render(config_containers_registry, 'container/registries.conf.j2', container) render(config_containers_storage, 'container/storage.conf.j2', container) + if 'name' in container: + for name, container_config in container['name'].items(): + if 'disable' in container_config: + continue + + file_path = os.path.join(systemd_unit_path, f'vyos-container-{name}.service') + run_args = generate_run_arguments(name, container_config) + render(file_path, 'container/systemd-unit.j2', {'name': name, 'run_args': run_args}) + return None def apply(container): @@ -270,8 +329,12 @@ def apply(container): # Option "--force" allows to delete containers with any status if 'container_remove' in container: for name in container['container_remove']: - call(f'podman stop --time 3 {name}') - call(f'podman rm --force {name}') + file_path = os.path.join(systemd_unit_path, f'vyos-container-{name}.service') + call(f'systemctl stop vyos-container-{name}.service') + if os.path.exists(file_path): + os.unlink(file_path) + + call('systemctl daemon-reload') # Delete old networks if needed if 'network_remove' in container: @@ -282,6 +345,7 @@ def apply(container): os.unlink(tmp) # Add container + disabled_new = False if 'name' in container: for name, container_config in container['name'].items(): image = container_config['image'] @@ -295,70 +359,17 @@ def apply(container): # check if there is a container by that name running tmp = _cmd('podman ps -a --format "{{.Names}}"') if name in tmp: - _cmd(f'podman stop --time 3 {name}') - _cmd(f'podman rm --force {name}') + file_path = os.path.join(systemd_unit_path, f'vyos-container-{name}.service') + call(f'systemctl stop vyos-container-{name}.service') + if os.path.exists(file_path): + disabled_new = True + os.unlink(file_path) continue - memory = container_config['memory'] - restart = container_config['restart'] - - # Add capability options. Should be in uppercase - cap_add = '' - if 'cap_add' in container_config: - for c in container_config['cap_add']: - c = c.upper() - c = c.replace('-', '_') - cap_add += f' --cap-add={c}' - - # Add a host device to the container /dev/x:/dev/x - device = '' - if 'device' in container_config: - for dev, dev_config in container_config['device'].items(): - source_dev = dev_config['source'] - dest_dev = dev_config['destination'] - device += f' --device={source_dev}:{dest_dev}' - - # Check/set environment options "-e foo=bar" - env_opt = '' - if 'environment' in container_config: - for k, v in container_config['environment'].items(): - env_opt += f" -e \"{k}={v['value']}\"" - - # Publish ports - port = '' - if 'port' in container_config: - protocol = '' - for portmap in container_config['port']: - if 'protocol' in container_config['port'][portmap]: - protocol = container_config['port'][portmap]['protocol'] - protocol = f'/{protocol}' - else: - protocol = '/tcp' - sport = container_config['port'][portmap]['source'] - dport = container_config['port'][portmap]['destination'] - port += f' -p {sport}:{dport}{protocol}' - - # Bind volume - volume = '' - if 'volume' in container_config: - for vol, vol_config in container_config['volume'].items(): - svol = vol_config['source'] - dvol = vol_config['destination'] - volume += f' -v {svol}:{dvol}' - - container_base_cmd = f'podman run --detach --interactive --tty --replace {cap_add} ' \ - f'--memory {memory}m --memory-swap 0 --restart {restart} ' \ - f'--name {name} {device} {port} {volume} {env_opt}' - if 'allow_host_networks' in container_config: - _run_rerun(f'{container_base_cmd} --net host {image}') - else: - for network in container_config['network']: - ipparam = '' - if 'address' in container_config['network'][network]: - address = container_config['network'][network]['address'] - ipparam = f'--ip {address}' + cmd(f'systemctl restart vyos-container-{name}.service') - _run_rerun(f'{container_base_cmd} --net {network} {ipparam} {image}') + if disabled_new: + call('systemctl daemon-reload') return None diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py index cbd9cbe90..9fee20358 100755 --- a/src/conf_mode/firewall.py +++ b/src/conf_mode/firewall.py @@ -26,13 +26,10 @@ from vyos.config import Config from vyos.configdict import dict_merge from vyos.configdict import node_changed from vyos.configdiff import get_config_diff, Diff +from vyos.configdep import set_dependent, call_dependents # from vyos.configverify import verify_interface_exists +from vyos.firewall import fqdn_config_parse from vyos.firewall import geoip_update -from vyos.firewall import get_ips_domains_dict -from vyos.firewall import nft_add_set_elements -from vyos.firewall import nft_flush_set -from vyos.firewall import nft_init_set -from vyos.firewall import nft_update_set_elements from vyos.template import render from vyos.util import call from vyos.util import cmd @@ -45,7 +42,8 @@ from vyos import ConfigError from vyos import airbag airbag.enable() -policy_route_conf_script = '/usr/libexec/vyos/conf_mode/policy-route.py' +nat_conf_script = 'nat.py' +policy_route_conf_script = 'policy-route.py' nftables_conf = '/run/nftables.conf' @@ -162,7 +160,13 @@ def get_config(config=None): for zone in firewall['zone']: firewall['zone'][zone] = dict_merge(default_values, firewall['zone'][zone]) - firewall['policy_resync'] = bool('group' in firewall or node_changed(conf, base + ['group'])) + firewall['group_resync'] = bool('group' in firewall or node_changed(conf, base + ['group'])) + if firewall['group_resync']: + # Update nat as firewall groups were updated + set_dependent(nat_conf_script, conf) + # Update policy route as firewall groups were updated + set_dependent(policy_route_conf_script, conf) + if 'config_trap' in firewall and firewall['config_trap'] == 'enable': diff = get_config_diff(conf) @@ -173,6 +177,8 @@ def get_config(config=None): firewall['geoip_updated'] = geoip_updated(conf, firewall) + fqdn_config_parse(firewall) + return firewall def verify_rule(firewall, rule_conf, ipv6): @@ -232,29 +238,28 @@ def verify_rule(firewall, rule_conf, ipv6): if side in rule_conf: side_conf = rule_conf[side] - if dict_search_args(side_conf, 'geoip', 'country_code'): - if 'address' in side_conf: - raise ConfigError('Address and GeoIP cannot both be defined') - - if dict_search_args(side_conf, 'group', 'address_group'): - raise ConfigError('Address-group and GeoIP cannot both be defined') - - if dict_search_args(side_conf, 'group', 'network_group'): - raise ConfigError('Network-group and GeoIP cannot both be defined') + if len({'address', 'fqdn', 'geoip'} & set(side_conf)) > 1: + raise ConfigError('Only one of address, fqdn or geoip can be specified') if 'group' in side_conf: - if {'address_group', 'network_group'} <= set(side_conf['group']): - raise ConfigError('Only one address-group or network-group can be specified') + if len({'address_group', 'network_group', 'domain_group'} & set(side_conf['group'])) > 1: + raise ConfigError('Only one address-group, network-group or domain-group can be specified') for group in valid_groups: if group in side_conf['group']: group_name = side_conf['group'][group] + fw_group = f'ipv6_{group}' if ipv6 and group in ['address_group', 'network_group'] else group + error_group = fw_group.replace("_", "-") + + if group in ['address_group', 'network_group', 'domain_group']: + types = [t for t in ['address', 'fqdn', 'geoip'] if t in side_conf] + if types: + raise ConfigError(f'{error_group} and {types[0]} cannot both be defined') + if group_name and group_name[0] == '!': group_name = group_name[1:] - fw_group = f'ipv6_{group}' if ipv6 and group in ['address_group', 'network_group'] else group - error_group = fw_group.replace("_", "-") group_obj = dict_search_args(firewall, 'group', fw_group, group_name) if group_obj is None: @@ -466,42 +471,23 @@ def post_apply_trap(firewall): cmd(base_cmd + ' '.join(objects)) -def resync_policy_route(): - # Update policy route as firewall groups were updated - tmp, out = rc_cmd(policy_route_conf_script) - if tmp > 0: - Warning(f'Failed to re-apply policy route configuration! {out}') - def apply(firewall): install_result, output = rc_cmd(f'nft -f {nftables_conf}') if install_result == 1: raise ConfigError(f'Failed to apply firewall: {output}') - # set firewall group domain-group xxx - if 'group' in firewall: - if 'domain_group' in firewall['group']: - # T970 Enable a resolver (systemd daemon) that checks - # domain-group addresses and update entries for domains by timeout - # If router loaded without internet connection or for synchronization - call('systemctl restart vyos-domain-group-resolve.service') - for group, group_config in firewall['group']['domain_group'].items(): - domains = [] - if group_config.get('address') is not None: - for address in group_config.get('address'): - domains.append(address) - # Add elements to domain-group, try to resolve domain => ip - # and add elements to nft set - ip_dict = get_ips_domains_dict(domains) - elements = sum(ip_dict.values(), []) - nft_init_set(f'D_{group}') - nft_add_set_elements(f'D_{group}', elements) - else: - call('systemctl stop vyos-domain-group-resolve.service') - apply_sysfs(firewall) - if firewall['policy_resync']: - resync_policy_route() + if firewall['group_resync']: + call_dependents() + + # T970 Enable a resolver (systemd daemon) that checks + # domain-group/fqdn addresses and update entries for domains by timeout + # If router loaded without internet connection or for synchronization + domain_action = 'stop' + if dict_search_args(firewall, 'group', 'domain_group') or firewall['ip_fqdn'] or firewall['ip6_fqdn']: + domain_action = 'restart' + call(f'systemctl {domain_action} vyos-domain-resolver.service') if firewall['geoip_updated']: # Call helper script to Update set contents diff --git a/src/conf_mode/http-api.py b/src/conf_mode/http-api.py index 04113fc09..be80613c6 100755 --- a/src/conf_mode/http-api.py +++ b/src/conf_mode/http-api.py @@ -24,9 +24,11 @@ from copy import deepcopy import vyos.defaults from vyos.config import Config +from vyos.configdict import dict_merge from vyos.template import render from vyos.util import cmd from vyos.util import call +from vyos.xml import defaults from vyos import ConfigError from vyos import airbag airbag.enable() @@ -36,6 +38,15 @@ systemd_service = '/run/systemd/system/vyos-http-api.service' vyos_conf_scripts_dir=vyos.defaults.directories['conf_mode'] +def _translate_values_to_boolean(d: dict) -> dict: + for k in list(d): + if d[k] == {}: + d[k] = True + elif isinstance(d[k], dict): + _translate_values_to_boolean(d[k]) + else: + pass + def get_config(config=None): http_api = deepcopy(vyos.defaults.api_data) x = http_api.get('api_keys') @@ -54,48 +65,40 @@ def get_config(config=None): if not conf.exists(base): return None + api_dict = conf.get_config_dict(base, key_mangling=('-', '_'), + no_tag_node_value_mangle=True, + get_first_key=True) + + # One needs to 'flatten' the keys dict from the config into the + # http-api.conf format for api_keys: + if 'keys' in api_dict: + api_dict['api_keys'] = [] + for el in list(api_dict['keys']['id']): + key = api_dict['keys']['id'][el]['key'] + api_dict['api_keys'].append({'id': el, 'key': key}) + del api_dict['keys'] + # Do we run inside a VRF context? vrf_path = ['service', 'https', 'vrf'] if conf.exists(vrf_path): http_api['vrf'] = conf.return_value(vrf_path) - conf.set_level('service https api') - if conf.exists('strict'): - http_api['strict'] = True - - if conf.exists('debug'): - http_api['debug'] = True + if 'api_keys' in api_dict: + keys_added = True - if conf.exists('gql'): - http_api['gql'] = True - if conf.exists('gql introspection'): - http_api['introspection'] = True + if 'graphql' in api_dict: + api_dict = dict_merge(defaults(base), api_dict) - if conf.exists('socket'): - http_api['socket'] = True - - if conf.exists('port'): - port = conf.return_value('port') - http_api['port'] = port - - if conf.exists('cors'): - http_api['cors'] = {} - if conf.exists('cors allow-origin'): - origins = conf.return_values('cors allow-origin') - http_api['cors']['origins'] = origins[:] - - if conf.exists('keys'): - for name in conf.list_nodes('keys id'): - if conf.exists('keys id {0} key'.format(name)): - key = conf.return_value('keys id {0} key'.format(name)) - new_key = { 'id': name, 'key': key } - http_api['api_keys'].append(new_key) - keys_added = True + http_api.update(api_dict) if keys_added and default_key: if default_key in http_api['api_keys']: http_api['api_keys'].remove(default_key) + # Finally, translate entries in http_api into boolean settings for + # backwards compatability of JSON http-api.conf file + _translate_values_to_boolean(http_api) + return http_api def verify(http_api): diff --git a/src/conf_mode/interfaces-virtual-ethernet.py b/src/conf_mode/interfaces-virtual-ethernet.py new file mode 100755 index 000000000..b1819233c --- /dev/null +++ b/src/conf_mode/interfaces-virtual-ethernet.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2022 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 +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +from sys import exit + +from netifaces import interfaces +from vyos import ConfigError +from vyos import airbag +from vyos.config import Config +from vyos.configdict import get_interface_dict +from vyos.configverify import verify_address +from vyos.configverify import verify_bridge_delete +from vyos.configverify import verify_vrf +from vyos.ifconfig import VethIf + +airbag.enable() + +def get_config(config=None): + """ + Retrive CLI config as dictionary. Dictionary can never be empty, as at + least the interface name will be added or a deleted flag + """ + if config: + conf = config + else: + conf = Config() + base = ['interfaces', 'virtual-ethernet'] + ifname, veth = get_interface_dict(conf, base) + + # We need to know all other veth related interfaces as veth requires a 1:1 + # mapping for the peer-names. The Linux kernel automatically creates both + # interfaces, the local one and the peer-name, but VyOS also needs a peer + # interfaces configrued on the CLI so we can assign proper IP addresses etc. + veth['other_interfaces'] = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True, no_tag_node_value_mangle=True) + + return veth + + +def verify(veth): + if 'deleted' in veth: + verify_bridge_delete(veth) + return None + + verify_vrf(veth) + verify_address(veth) + + if 'peer_name' not in veth: + raise ConfigError(f'Remote peer name must be set for "{veth["ifname"]}"!') + + if veth['peer_name'] not in veth['other_interfaces']: + peer_name = veth['peer_name'] + ifname = veth['ifname'] + raise ConfigError(f'Used peer-name "{peer_name}" on interface "{ifname}" ' \ + 'is not configured!') + + return None + + +def generate(peth): + return None + +def apply(veth): + # Check if the Veth interface already exists + if 'rebuild_required' in veth or 'deleted' in veth: + if veth['ifname'] in interfaces(): + p = VethIf(veth['ifname']) + p.remove() + + if 'deleted' not in veth: + p = VethIf(**veth) + p.update(veth) + + return None + + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) diff --git a/src/conf_mode/interfaces-wireguard.py b/src/conf_mode/interfaces-wireguard.py index 8d738f55e..762bad94f 100755 --- a/src/conf_mode/interfaces-wireguard.py +++ b/src/conf_mode/interfaces-wireguard.py @@ -87,6 +87,8 @@ def verify(wireguard): 'cannot be used for the interface!') # run checks on individual configured WireGuard peer + public_keys = [] + for tmp in wireguard['peer']: peer = wireguard['peer'][tmp] @@ -100,6 +102,11 @@ def verify(wireguard): raise ConfigError('Both Wireguard port and address must be defined ' f'for peer "{tmp}" if either one of them is set!') + if peer['public_key'] in public_keys: + raise ConfigError(f'Duplicate public-key defined on peer "{tmp}"') + + public_keys.append(peer['public_key']) + def apply(wireguard): tmp = WireGuardIf(wireguard['ifname']) if 'deleted' in wireguard: diff --git a/src/conf_mode/interfaces-wwan.py b/src/conf_mode/interfaces-wwan.py index 97b3a6396..a14a992ae 100755 --- a/src/conf_mode/interfaces-wwan.py +++ b/src/conf_mode/interfaces-wwan.py @@ -116,7 +116,7 @@ def generate(wwan): # disconnect - e.g. happens during RF signal loss. The script watches every # WWAN interface - so there is only one instance. if not os.path.exists(cron_script): - write_file(cron_script, '*/5 * * * * root /usr/libexec/vyos/vyos-check-wwan.py') + write_file(cron_script, '*/5 * * * * root /usr/libexec/vyos/vyos-check-wwan.py\n') return None diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index 8b1a5a720..9f8221514 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -32,6 +32,7 @@ from vyos.util import cmd from vyos.util import run from vyos.util import check_kmod from vyos.util import dict_search +from vyos.util import dict_search_args from vyos.validate import is_addr_assigned from vyos.xml import defaults from vyos import ConfigError @@ -47,6 +48,13 @@ else: nftables_nat_config = '/run/nftables_nat.conf' nftables_static_nat_conf = '/run/nftables_static-nat-rules.nft' +valid_groups = [ + 'address_group', + 'domain_group', + 'network_group', + 'port_group' +] + def get_handler(json, chain, target): """ Get nftable rule handler number of given chain/target combination. Handler is required when adding NAT/Conntrack helper targets """ @@ -60,7 +68,7 @@ def get_handler(json, chain, target): return None -def verify_rule(config, err_msg): +def verify_rule(config, err_msg, groups_dict): """ Common verify steps used for both source and destination NAT """ if (dict_search('translation.port', config) != None or @@ -78,6 +86,45 @@ def verify_rule(config, err_msg): 'statically maps a whole network of addresses onto another\n' \ 'network of addresses') + for side in ['destination', 'source']: + if side in config: + side_conf = config[side] + + if len({'address', 'fqdn'} & set(side_conf)) > 1: + raise ConfigError('Only one of address, fqdn or geoip can be specified') + + if 'group' in side_conf: + if len({'address_group', 'network_group', 'domain_group'} & set(side_conf['group'])) > 1: + raise ConfigError('Only one address-group, network-group or domain-group can be specified') + + for group in valid_groups: + if group in side_conf['group']: + group_name = side_conf['group'][group] + error_group = group.replace("_", "-") + + if group in ['address_group', 'network_group', 'domain_group']: + types = [t for t in ['address', 'fqdn'] if t in side_conf] + if types: + raise ConfigError(f'{error_group} and {types[0]} cannot both be defined') + + if group_name and group_name[0] == '!': + group_name = group_name[1:] + + group_obj = dict_search_args(groups_dict, group, group_name) + + if group_obj is None: + raise ConfigError(f'Invalid {error_group} "{group_name}" on firewall rule') + + if not group_obj: + Warning(f'{error_group} "{group_name}" has no members!') + + if dict_search_args(side_conf, 'group', 'port_group'): + if 'protocol' not in config: + raise ConfigError('Protocol must be defined if specifying a port-group') + + if config['protocol'] not in ['tcp', 'udp', 'tcp_udp']: + raise ConfigError('Protocol must be tcp, udp, or tcp_udp when specifying a port-group') + def get_config(config=None): if config: conf = config @@ -105,16 +152,20 @@ def get_config(config=None): condensed_json = jmespath.search(pattern, nftable_json) if not conf.exists(base): - nat['helper_functions'] = 'remove' - - # Retrieve current table handler positions - nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_HELPER') - nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK') - nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_HELPER') - nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'NAT_CONNTRACK') + if get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_HELPER'): + nat['helper_functions'] = 'remove' + + # Retrieve current table handler positions + nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_HELPER') + nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK') + nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_HELPER') + nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'NAT_CONNTRACK') nat['deleted'] = '' return nat + nat['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True, + no_tag_node_value_mangle=True) + # check if NAT connection tracking helpers need to be set up - this has to # be done only once if not get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK'): @@ -146,6 +197,10 @@ def verify(nat): if config['outbound_interface'] not in 'any' and config['outbound_interface'] not in interfaces(): Warning(f'rule "{rule}" interface "{config["outbound_interface"]}" does not exist on this system') + if not dict_search('translation.address', config) and not dict_search('translation.port', config): + if 'exclude' not in config: + raise ConfigError(f'{err_msg} translation requires address and/or port') + addr = dict_search('translation.address', config) if addr != None and addr != 'masquerade' and not is_ip_network(addr): for ip in addr.split('-'): @@ -153,7 +208,7 @@ def verify(nat): Warning(f'IP address {ip} does not exist on the system!') # common rule verification - verify_rule(config, err_msg) + verify_rule(config, err_msg, nat['firewall_group']) if dict_search('destination.rule', nat): @@ -166,8 +221,12 @@ 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): + if 'exclude' not in config: + raise ConfigError(f'{err_msg} translation requires address and/or port') + # common rule verification - verify_rule(config, err_msg) + verify_rule(config, err_msg, nat['firewall_group']) if dict_search('static.rule', nat): for rule, config in dict_search('static.rule', nat).items(): @@ -178,7 +237,7 @@ def verify(nat): 'inbound-interface not specified') # common rule verification - verify_rule(config, err_msg) + verify_rule(config, err_msg, nat['firewall_group']) return None @@ -204,6 +263,10 @@ def apply(nat): cmd(f'nft -f {nftables_nat_config}') cmd(f'nft -f {nftables_static_nat_conf}') + if not nat or 'deleted' in nat: + os.unlink(nftables_nat_config) + os.unlink(nftables_static_nat_conf) + return None if __name__ == '__main__': diff --git a/src/conf_mode/policy-route-interface.py b/src/conf_mode/policy-route-interface.py deleted file mode 100755 index 58c5fd93d..000000000 --- a/src/conf_mode/policy-route-interface.py +++ /dev/null @@ -1,132 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2021 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 -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import os -import re - -from sys import argv -from sys import exit - -from vyos.config import Config -from vyos.ifconfig import Section -from vyos.template import render -from vyos.util import cmd -from vyos.util import run -from vyos import ConfigError -from vyos import airbag -airbag.enable() - -def get_config(config=None): - if config: - conf = config - else: - conf = Config() - - ifname = argv[1] - ifpath = Section.get_config_path(ifname) - if_policy_path = f'interfaces {ifpath} policy' - - if_policy = conf.get_config_dict(if_policy_path, key_mangling=('-', '_'), get_first_key=True, - no_tag_node_value_mangle=True) - - if_policy['ifname'] = ifname - if_policy['policy'] = conf.get_config_dict(['policy'], key_mangling=('-', '_'), get_first_key=True, - no_tag_node_value_mangle=True) - - return if_policy - -def verify_chain(table, chain): - # Verify policy route applied - code = run(f'nft list chain {table} {chain}') - return code == 0 - -def verify(if_policy): - # bail out early - looks like removal from running config - if not if_policy: - return None - - for route in ['route', 'route6']: - if route in if_policy: - if route not in if_policy['policy']: - raise ConfigError('Policy route not configured') - - route_name = if_policy[route] - - if route_name not in if_policy['policy'][route]: - raise ConfigError(f'Invalid policy route name "{name}"') - - nft_prefix = 'VYOS_PBR6_' if route == 'route6' else 'VYOS_PBR_' - nft_table = 'ip6 mangle' if route == 'route6' else 'ip mangle' - - if not verify_chain(nft_table, nft_prefix + route_name): - raise ConfigError('Policy route did not apply') - - return None - -def generate(if_policy): - return None - -def cleanup_rule(table, chain, ifname, new_name=None): - results = cmd(f'nft -a list chain {table} {chain}').split("\n") - retval = None - for line in results: - if f'ifname "{ifname}"' in line: - if new_name and f'jump {new_name}' in line: - # new_name is used to clear rules for any previously referenced chains - # returns true when rule exists and doesn't need to be created - retval = True - continue - - handle_search = re.search('handle (\d+)', line) - if handle_search: - cmd(f'nft delete rule {table} {chain} handle {handle_search[1]}') - return retval - -def apply(if_policy): - ifname = if_policy['ifname'] - - route_chain = 'VYOS_PBR_PREROUTING' - ipv6_route_chain = 'VYOS_PBR6_PREROUTING' - - if 'route' in if_policy: - name = 'VYOS_PBR_' + if_policy['route'] - rule_exists = cleanup_rule('ip mangle', route_chain, ifname, name) - - if not rule_exists: - cmd(f'nft insert rule ip mangle {route_chain} iifname {ifname} counter jump {name}') - else: - cleanup_rule('ip mangle', route_chain, ifname) - - if 'route6' in if_policy: - name = 'VYOS_PBR6_' + if_policy['route6'] - rule_exists = cleanup_rule('ip6 mangle', ipv6_route_chain, ifname, name) - - if not rule_exists: - cmd(f'nft insert rule ip6 mangle {ipv6_route_chain} iifname {ifname} counter jump {name}') - else: - cleanup_rule('ip6 mangle', ipv6_route_chain, ifname) - - return None - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - exit(1) diff --git a/src/conf_mode/policy-route.py b/src/conf_mode/policy-route.py index 00539b9c7..1d016695e 100755 --- a/src/conf_mode/policy-route.py +++ b/src/conf_mode/policy-route.py @@ -15,7 +15,6 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. import os -import re from json import loads from sys import exit @@ -25,7 +24,6 @@ from vyos.config import Config from vyos.template import render from vyos.util import cmd from vyos.util import dict_search_args -from vyos.util import dict_search_recursive from vyos.util import run from vyos import ConfigError from vyos import airbag @@ -34,48 +32,13 @@ airbag.enable() mark_offset = 0x7FFFFFFF nftables_conf = '/run/nftables_policy.conf' -ROUTE_PREFIX = 'VYOS_PBR_' -ROUTE6_PREFIX = 'VYOS_PBR6_' - -preserve_chains = [ - 'VYOS_PBR_PREROUTING', - 'VYOS_PBR_POSTROUTING', - 'VYOS_PBR6_PREROUTING', - 'VYOS_PBR6_POSTROUTING' -] - valid_groups = [ 'address_group', + 'domain_group', 'network_group', 'port_group' ] -group_set_prefix = { - 'A_': 'address_group', - 'A6_': 'ipv6_address_group', -# 'D_': 'domain_group', - 'M_': 'mac_group', - 'N_': 'network_group', - 'N6_': 'ipv6_network_group', - 'P_': 'port_group' -} - -def get_policy_interfaces(conf): - out = {} - interfaces = conf.get_config_dict(['interfaces'], key_mangling=('-', '_'), get_first_key=True, - no_tag_node_value_mangle=True) - def find_interfaces(iftype_conf, output={}, prefix=''): - for ifname, if_conf in iftype_conf.items(): - if 'policy' in if_conf: - output[prefix + ifname] = if_conf['policy'] - for vif in ['vif', 'vif_s', 'vif_c']: - if vif in if_conf: - output.update(find_interfaces(if_conf[vif], output, f'{prefix}{ifname}.')) - return output - for iftype, iftype_conf in interfaces.items(): - out.update(find_interfaces(iftype_conf)) - return out - def get_config(config=None): if config: conf = config @@ -88,7 +51,6 @@ def get_config(config=None): policy['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) - policy['interfaces'] = get_policy_interfaces(conf) return policy @@ -132,8 +94,8 @@ def verify_rule(policy, name, rule_conf, ipv6, rule_id): side_conf = rule_conf[side] if 'group' in side_conf: - if {'address_group', 'network_group'} <= set(side_conf['group']): - raise ConfigError('Only one address-group or network-group can be specified') + if len({'address_group', 'domain_group', 'network_group'} & set(side_conf['group'])) > 1: + raise ConfigError('Only one address-group, domain-group or network-group can be specified') for group in valid_groups: if group in side_conf['group']: @@ -168,73 +130,11 @@ def verify(policy): for rule_id, rule_conf in pol_conf['rule'].items(): verify_rule(policy, name, rule_conf, ipv6, rule_id) - for ifname, if_policy in policy['interfaces'].items(): - name = dict_search_args(if_policy, 'route') - ipv6_name = dict_search_args(if_policy, 'route6') - - if name and not dict_search_args(policy, 'route', name): - raise ConfigError(f'Policy route "{name}" is still referenced on interface {ifname}') - - if ipv6_name and not dict_search_args(policy, 'route6', ipv6_name): - raise ConfigError(f'Policy route6 "{ipv6_name}" is still referenced on interface {ifname}') - return None -def cleanup_commands(policy): - commands = [] - commands_chains = [] - commands_sets = [] - for table in ['ip mangle', 'ip6 mangle']: - route_node = 'route' if table == 'ip mangle' else 'route6' - chain_prefix = ROUTE_PREFIX if table == 'ip mangle' else ROUTE6_PREFIX - - json_str = cmd(f'nft -t -j list table {table}') - obj = loads(json_str) - if 'nftables' not in obj: - continue - for item in obj['nftables']: - if 'chain' in item: - chain = item['chain']['name'] - if chain in preserve_chains or not chain.startswith("VYOS_PBR"): - continue - - if dict_search_args(policy, route_node, chain.replace(chain_prefix, "", 1)) != None: - commands.append(f'flush chain {table} {chain}') - else: - commands_chains.append(f'delete chain {table} {chain}') - - if 'rule' in item: - rule = item['rule'] - chain = rule['chain'] - handle = rule['handle'] - - if chain not in preserve_chains: - continue - - target, _ = next(dict_search_recursive(rule['expr'], 'target')) - - if target.startswith(chain_prefix): - if dict_search_args(policy, route_node, target.replace(chain_prefix, "", 1)) == None: - commands.append(f'delete rule {table} {chain} handle {handle}') - - if 'set' in item: - set_name = item['set']['name'] - - for prefix, group_type in group_set_prefix.items(): - if set_name.startswith(prefix): - group_name = set_name.replace(prefix, "", 1) - if dict_search_args(policy, 'firewall_group', group_type, group_name) != None: - commands_sets.append(f'flush set {table} {set_name}') - else: - commands_sets.append(f'delete set {table} {set_name}') - - return commands + commands_chains + commands_sets - def generate(policy): if not os.path.exists(nftables_conf): policy['first_install'] = True - else: - policy['cleanup_commands'] = cleanup_commands(policy) render(nftables_conf, 'firewall/nftables-policy.j2', policy) return None diff --git a/src/conf_mode/policy.py b/src/conf_mode/policy.py index 3008a20e0..331194fec 100755 --- a/src/conf_mode/policy.py +++ b/src/conf_mode/policy.py @@ -23,8 +23,42 @@ from vyos.util import dict_search from vyos import ConfigError from vyos import frr from vyos import airbag + airbag.enable() + +def community_action_compatibility(actions: dict) -> bool: + """ + Check compatibility of values in community and large community sections + :param actions: dictionary with community + :type actions: dict + :return: true if compatible, false if not + :rtype: bool + """ + if ('none' in actions) and ('replace' in actions or 'add' in actions): + return False + if 'replace' in actions and 'add' in actions: + return False + if ('delete' in actions) and ('none' in actions or 'replace' in actions): + return False + return True + + +def extcommunity_action_compatibility(actions: dict) -> bool: + """ + Check compatibility of values in extended community sections + :param actions: dictionary with community + :type actions: dict + :return: true if compatible, false if not + :rtype: bool + """ + if ('none' in actions) and ( + 'rt' in actions or 'soo' in actions or 'bandwidth' in actions or 'bandwidth_non_transitive' in actions): + return False + if ('bandwidth_non_transitive' in actions) and ('bandwidth' not in actions): + return False + return True + def routing_policy_find(key, dictionary): # Recursively traverse a dictionary and extract the value assigned to # a given key as generator object. This is made for routing policies, @@ -46,6 +80,7 @@ def routing_policy_find(key, dictionary): for result in routing_policy_find(key, d): yield result + def get_config(config=None): if config: conf = config @@ -53,7 +88,8 @@ def get_config(config=None): conf = Config() base = ['policy'] - policy = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True, + policy = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True, no_tag_node_value_mangle=True) # We also need some additional information from the config, prefix-lists @@ -67,12 +103,14 @@ def get_config(config=None): policy = dict_merge(tmp, policy) return policy + def verify(policy): if not policy: return None for policy_type in ['access_list', 'access_list6', 'as_path_list', - 'community_list', 'extcommunity_list', 'large_community_list', + 'community_list', 'extcommunity_list', + 'large_community_list', 'prefix_list', 'prefix_list6', 'route_map']: # Bail out early and continue with next policy type if policy_type not in policy: @@ -97,15 +135,18 @@ def verify(policy): if 'source' not in rule_config: raise ConfigError(f'A source {mandatory_error}') - if int(instance) in range(100, 200) or int(instance) in range(2000, 2700): + if int(instance) in range(100, 200) or int( + instance) in range(2000, 2700): if 'destination' not in rule_config: - raise ConfigError(f'A destination {mandatory_error}') + raise ConfigError( + f'A destination {mandatory_error}') if policy_type == 'access_list6': if 'source' not in rule_config: raise ConfigError(f'A source {mandatory_error}') - if policy_type in ['as_path_list', 'community_list', 'extcommunity_list', + if policy_type in ['as_path_list', 'community_list', + 'extcommunity_list', 'large_community_list']: if 'regex' not in rule_config: raise ConfigError(f'A regex {mandatory_error}') @@ -115,10 +156,10 @@ def verify(policy): raise ConfigError(f'A prefix {mandatory_error}') if rule_config in entries: - raise ConfigError(f'Rule "{rule}" contains a duplicate prefix definition!') + raise ConfigError( + f'Rule "{rule}" contains a duplicate prefix definition!') entries.append(rule_config) - # route-maps tend to be a bit more complex so they get their own verify() section if 'route_map' in policy: for route_map, route_map_config in policy['route_map'].items(): @@ -126,20 +167,29 @@ def verify(policy): continue for rule, rule_config in route_map_config['rule'].items(): + # Action 'deny' cannot be used with "continue" + # FRR does not validate it T4827 + if rule_config['action'] == 'deny' and 'continue' in rule_config: + raise ConfigError(f'rule {rule} "continue" cannot be used with action deny!') + # Specified community-list must exist - tmp = dict_search('match.community.community_list', rule_config) + tmp = dict_search('match.community.community_list', + rule_config) if tmp and tmp not in policy.get('community_list', []): raise ConfigError(f'community-list {tmp} does not exist!') # Specified extended community-list must exist tmp = dict_search('match.extcommunity', rule_config) if tmp and tmp not in policy.get('extcommunity_list', []): - raise ConfigError(f'extcommunity-list {tmp} does not exist!') + raise ConfigError( + f'extcommunity-list {tmp} does not exist!') # Specified large-community-list must exist - tmp = dict_search('match.large_community.large_community_list', rule_config) + tmp = dict_search('match.large_community.large_community_list', + rule_config) if tmp and tmp not in policy.get('large_community_list', []): - raise ConfigError(f'large-community-list {tmp} does not exist!') + raise ConfigError( + f'large-community-list {tmp} does not exist!') # Specified prefix-list must exist tmp = dict_search('match.ip.address.prefix_list', rule_config) @@ -147,49 +197,87 @@ def verify(policy): raise ConfigError(f'prefix-list {tmp} does not exist!') # Specified prefix-list must exist - tmp = dict_search('match.ipv6.address.prefix_list', rule_config) + tmp = dict_search('match.ipv6.address.prefix_list', + rule_config) if tmp and tmp not in policy.get('prefix_list6', []): raise ConfigError(f'prefix-list6 {tmp} does not exist!') - + # Specified access_list6 in nexthop must exist - tmp = dict_search('match.ipv6.nexthop.access_list', rule_config) + tmp = dict_search('match.ipv6.nexthop.access_list', + rule_config) if tmp and tmp not in policy.get('access_list6', []): raise ConfigError(f'access_list6 {tmp} does not exist!') # Specified prefix-list6 in nexthop must exist - tmp = dict_search('match.ipv6.nexthop.prefix_list', rule_config) + tmp = dict_search('match.ipv6.nexthop.prefix_list', + rule_config) if tmp and tmp not in policy.get('prefix_list6', []): raise ConfigError(f'prefix-list6 {tmp} does not exist!') + tmp = dict_search('set.community.delete', rule_config) + if tmp and tmp not in policy.get('community_list', []): + raise ConfigError(f'community-list {tmp} does not exist!') + + tmp = dict_search('set.large_community.delete', + rule_config) + if tmp and tmp not in policy.get('large_community_list', []): + raise ConfigError( + f'large-community-list {tmp} does not exist!') + + if 'set' in rule_config: + rule_action = rule_config['set'] + if 'community' in rule_action: + if not community_action_compatibility( + rule_action['community']): + raise ConfigError( + f'Unexpected combination between action replace, add, delete or none in community') + if 'large_community' in rule_action: + if not community_action_compatibility( + rule_action['large_community']): + raise ConfigError( + f'Unexpected combination between action replace, add, delete or none in large-community') + if 'extcommunity' in rule_action: + if not extcommunity_action_compatibility( + rule_action['extcommunity']): + raise ConfigError( + f'Unexpected combination between none, rt, soo, bandwidth, bandwidth-non-transitive in extended-community') # When routing protocols are active some use prefix-lists, route-maps etc. # to apply the systems routing policy to the learned or redistributed routes. # When the "routing policy" changes and policies, route-maps etc. are deleted, # it is our responsibility to verify that the policy can not be deleted if it # is used by any routing protocol if 'protocols' in policy: - for policy_type in ['access_list', 'access_list6', 'as_path_list', 'community_list', - 'extcommunity_list', 'large_community_list', 'prefix_list', 'route_map']: + for policy_type in ['access_list', 'access_list6', 'as_path_list', + 'community_list', + 'extcommunity_list', 'large_community_list', + 'prefix_list', 'route_map']: if policy_type in policy: - for policy_name in list(set(routing_policy_find(policy_type, policy['protocols']))): + for policy_name in list(set(routing_policy_find(policy_type, + policy[ + 'protocols']))): found = False if policy_name in policy[policy_type]: found = True # BGP uses prefix-list for selecting both an IPv4 or IPv6 AFI related # list - we need to go the extra mile here and check both prefix-lists - if policy_type == 'prefix_list' and 'prefix_list6' in policy and policy_name in policy['prefix_list6']: + if policy_type == 'prefix_list' and 'prefix_list6' in policy and policy_name in \ + policy['prefix_list6']: found = True if not found: - tmp = policy_type.replace('_','-') - raise ConfigError(f'Can not delete {tmp} "{policy_name}", still in use!') + tmp = policy_type.replace('_', '-') + raise ConfigError( + f'Can not delete {tmp} "{policy_name}", still in use!') return None + def generate(policy): if not policy: return None policy['new_frr_config'] = render_to_string('frr/policy.frr.j2', policy) return None + def apply(policy): bgp_daemon = 'bgpd' zebra_daemon = 'zebra' @@ -203,7 +291,8 @@ def apply(policy): frr_cfg.modify_section(r'^bgp community-list .*') frr_cfg.modify_section(r'^bgp extcommunity-list .*') frr_cfg.modify_section(r'^bgp large-community-list .*') - frr_cfg.modify_section(r'^route-map .*', stop_pattern='^exit', remove_stop_mark=True) + frr_cfg.modify_section(r'^route-map .*', stop_pattern='^exit', + remove_stop_mark=True) if 'new_frr_config' in policy: frr_cfg.add_before(frr.default_add_before, policy['new_frr_config']) frr_cfg.commit_configuration(bgp_daemon) @@ -214,13 +303,15 @@ def apply(policy): frr_cfg.modify_section(r'^ipv6 access-list .*') frr_cfg.modify_section(r'^ip prefix-list .*') frr_cfg.modify_section(r'^ipv6 prefix-list .*') - frr_cfg.modify_section(r'^route-map .*', stop_pattern='^exit', remove_stop_mark=True) + frr_cfg.modify_section(r'^route-map .*', stop_pattern='^exit', + remove_stop_mark=True) if 'new_frr_config' in policy: frr_cfg.add_before(frr.default_add_before, policy['new_frr_config']) frr_cfg.commit_configuration(zebra_daemon) return None + if __name__ == '__main__': try: c = get_config() diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index 87456f00b..ff568d470 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -159,6 +159,11 @@ def verify(bgp): if 'ebgp_multihop' in peer_config and 'ttl_security' in peer_config: raise ConfigError('You can not set both ebgp-multihop and ttl-security hops') + # interface and ebgp-multihop can't be used in the same configration + if 'ebgp_multihop' in peer_config and 'interface' in peer_config: + raise ConfigError(f'Ebgp-multihop can not be used with directly connected '\ + f'neighbor "{peer}"') + # Check if neighbor has both override capability and strict capability match # configured at the same time. if 'override_capability' in peer_config and 'strict_capability_match' in peer_config: diff --git a/src/conf_mode/protocols_ospf.py b/src/conf_mode/protocols_ospf.py index 5b4874ba2..0582d32be 100755 --- a/src/conf_mode/protocols_ospf.py +++ b/src/conf_mode/protocols_ospf.py @@ -198,6 +198,58 @@ def verify(ospf): if 'master' not in tmp or tmp['master'] != vrf: raise ConfigError(f'Interface {interface} is not a member of VRF {vrf}!') + # Segment routing checks + if dict_search('segment_routing.global_block', ospf): + g_high_label_value = dict_search('segment_routing.global_block.high_label_value', ospf) + g_low_label_value = dict_search('segment_routing.global_block.low_label_value', ospf) + + # If segment routing global block high or low value is blank, throw error + if not (g_low_label_value or g_high_label_value): + raise ConfigError('Segment routing global-block requires both low and high value!') + + # If segment routing global block low value is higher than the high value, throw error + if int(g_low_label_value) > int(g_high_label_value): + raise ConfigError('Segment routing global-block low value must be lower than high value') + + if dict_search('segment_routing.local_block', ospf): + if dict_search('segment_routing.global_block', ospf) == None: + raise ConfigError('Segment routing local-block requires global-block to be configured!') + + l_high_label_value = dict_search('segment_routing.local_block.high_label_value', ospf) + l_low_label_value = dict_search('segment_routing.local_block.low_label_value', ospf) + + # If segment routing local-block high or low value is blank, throw error + if not (l_low_label_value or l_high_label_value): + raise ConfigError('Segment routing local-block requires both high and low value!') + + # If segment routing local-block low value is higher than the high value, throw error + if int(l_low_label_value) > int(l_high_label_value): + raise ConfigError('Segment routing local-block low value must be lower than high value') + + # local-block most live outside global block + global_range = range(int(g_low_label_value), int(g_high_label_value) +1) + local_range = range(int(l_low_label_value), int(l_high_label_value) +1) + + # Check for overlapping ranges + if list(set(global_range) & set(local_range)): + raise ConfigError(f'Segment-Routing Global Block ({g_low_label_value}/{g_high_label_value}) '\ + f'conflicts with Local Block ({l_low_label_value}/{l_high_label_value})!') + + # Check for a blank or invalid value per prefix + if dict_search('segment_routing.prefix', ospf): + for prefix, prefix_config in ospf['segment_routing']['prefix'].items(): + if 'index' in prefix_config: + if prefix_config['index'].get('value') is None: + raise ConfigError(f'Segment routing prefix {prefix} index value cannot be blank.') + + # Check for explicit-null and no-php-flag configured at the same time per prefix + if dict_search('segment_routing.prefix', ospf): + for prefix, prefix_config in ospf['segment_routing']['prefix'].items(): + if 'index' in prefix_config: + if ("explicit_null" in prefix_config['index']) and ("no_php_flag" in prefix_config['index']): + raise ConfigError(f'Segment routing prefix {prefix} cannot have both explicit-null '\ + f'and no-php-flag configured at the same time.') + return None def generate(ospf): diff --git a/src/conf_mode/service_monitoring_telegraf.py b/src/conf_mode/service_monitoring_telegraf.py index 427cb6911..aafece47a 100755 --- a/src/conf_mode/service_monitoring_telegraf.py +++ b/src/conf_mode/service_monitoring_telegraf.py @@ -42,7 +42,11 @@ systemd_override = '/etc/systemd/system/telegraf.service.d/10-override.conf' def get_nft_filter_chains(): """ Get nft chains for table filter """ - nft = cmd('nft --json list table ip vyos_filter') + try: + nft = cmd('nft --json list table ip vyos_filter') + except Exception: + print('nft table ip vyos_filter not found') + return [] nft = json.loads(nft) chain_list = [] diff --git a/src/conf_mode/ssh.py b/src/conf_mode/ssh.py index 2bbd7142a..8746cc701 100755 --- a/src/conf_mode/ssh.py +++ b/src/conf_mode/ssh.py @@ -73,6 +73,9 @@ def verify(ssh): if not ssh: return None + if 'rekey' in ssh and 'data' not in ssh['rekey']: + raise ConfigError(f'Rekey data is required!') + verify_vrf(ssh) return None diff --git a/src/conf_mode/system-login.py b/src/conf_mode/system-login.py index dbd346fe4..e26b81e3d 100755 --- a/src/conf_mode/system-login.py +++ b/src/conf_mode/system-login.py @@ -257,6 +257,15 @@ def apply(login): except Exception as e: raise ConfigError(f'Adding user "{user}" raised exception: "{e}"') + # Generate 2FA/MFA One-Time-Pad configuration + if dict_search('authentication.otp.key', user_config): + render(f'{home_dir}/.google_authenticator', 'login/pam_otp_ga.conf.j2', + user_config, permission=0o400, user=user, group='users') + else: + # delete configuration as it's not enabled for the user + if os.path.exists(f'{home_dir}/.google_authenticator'): + os.remove(f'{home_dir}/.google_authenticator') + if 'rm_users' in login: for user in login['rm_users']: try: diff --git a/src/conf_mode/vpn_ipsec.py b/src/conf_mode/vpn_ipsec.py index 77a425f8b..b79e9847a 100755 --- a/src/conf_mode/vpn_ipsec.py +++ b/src/conf_mode/vpn_ipsec.py @@ -22,6 +22,7 @@ from sys import exit from time import sleep from time import time +from vyos.base import Warning from vyos.config import Config from vyos.configdict import leaf_node_changed from vyos.configverify import verify_interface_exists @@ -117,13 +118,26 @@ def get_config(config=None): ipsec['ike_group'][group]['proposal'][proposal] = dict_merge(default_values, ipsec['ike_group'][group]['proposal'][proposal]) - if 'remote_access' in ipsec and 'connection' in ipsec['remote_access']: + # XXX: T2665: we can not safely rely on the defaults() when there are + # tagNodes in place, it is better to blend in the defaults manually. + if dict_search('remote_access.connection', ipsec): default_values = defaults(base + ['remote-access', 'connection']) for rw in ipsec['remote_access']['connection']: ipsec['remote_access']['connection'][rw] = dict_merge(default_values, ipsec['remote_access']['connection'][rw]) - if 'remote_access' in ipsec and 'radius' in ipsec['remote_access'] and 'server' in ipsec['remote_access']['radius']: + # XXX: T2665: we can not safely rely on the defaults() when there are + # tagNodes in place, it is better to blend in the defaults manually. + if dict_search('remote_access.radius.server', ipsec): + # Fist handle the "base" stuff like RADIUS timeout + default_values = defaults(base + ['remote-access', 'radius']) + if 'server' in default_values: + del default_values['server'] + ipsec['remote_access']['radius'] = dict_merge(default_values, + ipsec['remote_access']['radius']) + + # Take care about individual RADIUS servers implemented as tagNodes - this + # requires special treatment default_values = defaults(base + ['remote-access', 'radius', 'server']) for server in ipsec['remote_access']['radius']['server']: ipsec['remote_access']['radius']['server'][server] = dict_merge(default_values, @@ -425,6 +439,10 @@ def verify(ipsec): if 'local_address' in peer_conf and 'dhcp_interface' in peer_conf: raise ConfigError(f"A single local-address or dhcp-interface is required when using VTI on site-to-site peer {peer}") + if dict_search('options.disable_route_autoinstall', + ipsec) == None: + Warning('It\'s recommended to use ipsec vty with the next command\n[set vpn ipsec option disable-route-autoinstall]') + if 'bind' in peer_conf['vti']: vti_interface = peer_conf['vti']['bind'] if not os.path.exists(f'/sys/class/net/{vti_interface}'): |