diff options
Diffstat (limited to 'src/conf_mode')
42 files changed, 1532 insertions, 563 deletions
diff --git a/src/conf_mode/config_mgmt.py b/src/conf_mode/config_mgmt.py new file mode 100755 index 000000000..c681a8405 --- /dev/null +++ b/src/conf_mode/config_mgmt.py @@ -0,0 +1,96 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 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 +# 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 sys + +from vyos import ConfigError +from vyos.config import Config +from vyos.config_mgmt import ConfigMgmt +from vyos.config_mgmt import commit_post_hook_dir, commit_hooks + +def get_config(config=None): + if config: + conf = config + else: + conf = Config() + + base = ['system', 'config-management'] + if not conf.exists(base): + return None + + mgmt = ConfigMgmt(config=conf) + + return mgmt + +def verify(_mgmt): + return + +def generate(mgmt): + if mgmt is None: + return + + mgmt.initialize_revision() + +def apply(mgmt): + if mgmt is None: + return + + locations = mgmt.locations + archive_target = os.path.join(commit_post_hook_dir, + commit_hooks['commit_archive']) + if locations: + try: + os.symlink('/usr/bin/config-mgmt', archive_target) + except FileExistsError: + pass + except OSError as exc: + raise ConfigError from exc + else: + try: + os.unlink(archive_target) + except FileNotFoundError: + pass + except OSError as exc: + raise ConfigError from exc + + revisions = mgmt.max_revisions + revision_target = os.path.join(commit_post_hook_dir, + commit_hooks['commit_revision']) + if revisions > 0: + try: + os.symlink('/usr/bin/config-mgmt', revision_target) + except FileExistsError: + pass + except OSError as exc: + raise ConfigError from exc + else: + try: + os.unlink(revision_target) + except FileNotFoundError: + pass + except OSError as exc: + raise ConfigError from exc + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + sys.exit(1) diff --git a/src/conf_mode/container.py b/src/conf_mode/container.py index ac3dc536b..08861053d 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'): @@ -86,9 +73,28 @@ def get_config(config=None): # Merge per-container default values if 'name' in container: default_values = defaults(base + ['name']) + if 'port' in default_values: + del default_values['port'] + if 'volume' in default_values: + del default_values['volume'] for name in container['name']: container['name'][name] = dict_merge(default_values, container['name'][name]) + # 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 'port' in container['name'][name]: + for port in container['name'][name]['port']: + default_values = defaults(base + ['name', 'port']) + container['name'][name]['port'][port] = dict_merge( + default_values, container['name'][name]['port'][port]) + # 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 'volume' in container['name'][name]: + for volume in container['name'][name]['volume']: + default_values = defaults(base + ['name', 'volume']) + container['name'][name]['volume'][volume] = dict_merge( + default_values, container['name'][name]['volume'][volume]) + # Delete container network, delete containers tmp = node_changed(conf, base + ['network']) if tmp: container.update({'network_remove' : tmp}) @@ -122,7 +128,7 @@ 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 +142,6 @@ 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): @@ -184,6 +187,11 @@ def verify(container): if not os.path.exists(source): raise ConfigError(f'Volume "{volume}" source path "{source}" does not exist!') + if 'port' in container_config: + for tmp in container_config['port']: + if not {'source', 'destination'} <= set(container_config['port'][tmp]): + raise ConfigError(f'Both "source" and "destination" must be specified for a port mapping!') + # If 'allow-host-networks' or 'network' not set. if 'allow_host_networks' not in container_config and 'network' not in container_config: raise ConfigError(f'Must either set "network" or "allow-host-networks" for container "{name}"!') @@ -220,6 +228,69 @@ 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" --env \"{k}={v['value']}\"" + + # Publish ports + port = '' + if 'port' in container_config: + protocol = '' + for portmap in container_config['port']: + protocol = container_config['port'][portmap]['protocol'] + sport = container_config['port'][portmap]['source'] + dport = container_config['port'][portmap]['destination'] + port += f' --publish {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'] + mode = vol_config['mode'] + volume += f' --volume {svol}:{dvol}:{mode}' + + 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 +334,15 @@ 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 +350,12 @@ 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 +366,7 @@ 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 +380,17 @@ 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'] + cmd(f'systemctl restart vyos-container-{name}.service') - # 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}' - - _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..20cf1ead1 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_dependents, 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' @@ -67,7 +65,8 @@ valid_groups = [ 'address_group', 'domain_group', 'network_group', - 'port_group' + 'port_group', + 'interface_group' ] nested_group_types = [ @@ -162,7 +161,10 @@ 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 and policy-route as firewall groups were updated + set_dependents('group_resync', conf) if 'config_trap' in firewall and firewall['config_trap'] == 'enable': diff = get_config_diff(conf) @@ -173,6 +175,8 @@ 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 +236,28 @@ 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: @@ -274,6 +277,8 @@ def verify_nested_group(group_name, group, groups, seen): if 'include' not in group: return + seen.append(group_name) + for g in group['include']: if g not in groups: raise ConfigError(f'Nested group "{g}" does not exist') @@ -281,8 +286,6 @@ def verify_nested_group(group_name, group, groups, seen): if g in seen: raise ConfigError(f'Group "{group_name}" has a circular reference') - seen.append(g) - if 'include' in groups[g]: verify_nested_group(g, groups[g], groups, seen) @@ -466,42 +469,23 @@ 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/flow_accounting_conf.py b/src/conf_mode/flow_accounting_conf.py index 7e16235c1..f67f1710e 100755 --- a/src/conf_mode/flow_accounting_conf.py +++ b/src/conf_mode/flow_accounting_conf.py @@ -38,7 +38,7 @@ airbag.enable() uacctd_conf_path = '/run/pmacct/uacctd.conf' systemd_service = 'uacctd.service' -systemd_override = f'/etc/systemd/system/{systemd_service}.d/override.conf' +systemd_override = f'/run/systemd/system/{systemd_service}.d/override.conf' nftables_nflog_table = 'raw' nftables_nflog_chain = 'VYOS_CT_PREROUTING_HOOK' egress_nftables_nflog_table = 'inet mangle' @@ -192,7 +192,7 @@ def verify(flow_config): raise ConfigError("All sFlow servers must use the same IP protocol") else: sflow_collector_ipver = ip_address(server).version - + # check if vrf is defined for Sflow sflow_vrf = None if 'vrf' in flow_config: diff --git a/src/conf_mode/high-availability.py b/src/conf_mode/high-availability.py index 8a959dc79..79e407efd 100755 --- a/src/conf_mode/high-availability.py +++ b/src/conf_mode/high-availability.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018-2022 VyOS maintainers and contributors +# Copyright (C) 2018-2023 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 @@ -28,6 +28,7 @@ from vyos.template import render from vyos.template import is_ipv4 from vyos.template import is_ipv6 from vyos.util import call +from vyos.util import dict_search from vyos.xml import defaults from vyos import ConfigError from vyos import airbag @@ -49,10 +50,27 @@ def get_config(config=None): # We have gathered the dict representation of the CLI, but there are default # options which we need to update into the dictionary retrived. if 'vrrp' in ha: + if dict_search('vrrp.global_parameters.garp', ha) != None: + default_values = defaults(base_vrrp + ['global-parameters', 'garp']) + ha['vrrp']['global_parameters']['garp'] = dict_merge( + default_values, ha['vrrp']['global_parameters']['garp']) + if 'group' in ha['vrrp']: - default_values_vrrp = defaults(base_vrrp + ['group']) + default_values = defaults(base_vrrp + ['group']) + default_values_garp = defaults(base_vrrp + ['group', 'garp']) + + # 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 'garp' in default_values: + del default_values['garp'] for group in ha['vrrp']['group']: - ha['vrrp']['group'][group] = dict_merge(default_values_vrrp, ha['vrrp']['group'][group]) + ha['vrrp']['group'][group] = dict_merge(default_values, ha['vrrp']['group'][group]) + + # 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 'garp' in ha['vrrp']['group'][group]: + ha['vrrp']['group'][group]['garp'] = dict_merge( + default_values_garp, ha['vrrp']['group'][group]['garp']) # Merge per virtual-server default values if 'virtual_server' in ha: @@ -144,8 +162,10 @@ def verify(ha): # Virtual-server if 'virtual_server' in ha: for vs, vs_config in ha['virtual_server'].items(): - if 'port' not in vs_config: - raise ConfigError(f'Port is required but not set for virtual-server "{vs}"') + if 'port' not in vs_config and 'fwmark' not in vs_config: + raise ConfigError(f'Port or fwmark is required but not set for virtual-server "{vs}"') + if 'port' in vs_config and 'fwmark' in vs_config: + raise ConfigError(f'Cannot set both port and fwmark for virtual-server "{vs}"') if 'real_server' not in vs_config: raise ConfigError(f'Real-server ip is required but not set for virtual-server "{vs}"') # Real-server diff --git a/src/conf_mode/http-api.py b/src/conf_mode/http-api.py index c196e272b..6328294c1 100755 --- a/src/conf_mode/http-api.py +++ b/src/conf_mode/http-api.py @@ -25,6 +25,7 @@ import vyos.defaults from vyos.config import Config from vyos.configdict import dict_merge +from vyos.configdep import set_dependents, call_dependents from vyos.template import render from vyos.util import cmd from vyos.util import call @@ -61,6 +62,11 @@ def get_config(config=None): else: conf = Config() + # reset on creation/deletion of 'api' node + https_base = ['service', 'https'] + if conf.exists(https_base): + set_dependents("https", conf) + base = ['service', 'https', 'api'] if not conf.exists(base): return None @@ -86,7 +92,7 @@ def get_config(config=None): if 'api_keys' in api_dict: keys_added = True - if 'gql' in api_dict: + if 'graphql' in api_dict: api_dict = dict_merge(defaults(base), api_dict) http_api.update(api_dict) @@ -132,7 +138,7 @@ def apply(http_api): # Let uvicorn settle before restarting Nginx sleep(1) - cmd(f'{vyos_conf_scripts_dir}/https.py', raising=ConfigError) + call_dependents() if __name__ == '__main__': try: diff --git a/src/conf_mode/https.py b/src/conf_mode/https.py index 7cd7ea42e..ce5e63928 100755 --- a/src/conf_mode/https.py +++ b/src/conf_mode/https.py @@ -37,7 +37,7 @@ from vyos import airbag airbag.enable() config_file = '/etc/nginx/sites-available/default' -systemd_override = r'/etc/systemd/system/nginx.service.d/override.conf' +systemd_override = r'/run/systemd/system/nginx.service.d/override.conf' cert_dir = '/etc/ssl/certs' key_dir = '/etc/ssl/private' certbot_dir = vyos.defaults.directories['certbot'] diff --git a/src/conf_mode/interfaces-bonding.py b/src/conf_mode/interfaces-bonding.py index 21cf204fc..9936620c8 100755 --- a/src/conf_mode/interfaces-bonding.py +++ b/src/conf_mode/interfaces-bonding.py @@ -21,6 +21,7 @@ from netifaces import interfaces from vyos.config import Config from vyos.configdict import get_interface_dict +from vyos.configdict import is_node_changed from vyos.configdict import leaf_node_changed from vyos.configdict import is_member from vyos.configdict import is_source_interface @@ -81,10 +82,10 @@ def get_config(config=None): if 'mode' in bond: bond['mode'] = get_bond_mode(bond['mode']) - tmp = leaf_node_changed(conf, base + [ifname, 'mode']) + tmp = is_node_changed(conf, base + [ifname, 'mode']) if tmp: bond['shutdown_required'] = {} - tmp = leaf_node_changed(conf, base + [ifname, 'lacp-rate']) + tmp = is_node_changed(conf, base + [ifname, 'lacp-rate']) if tmp: bond['shutdown_required'] = {} # determine which members have been removed @@ -116,7 +117,7 @@ def get_config(config=None): if dict_search('member.interface', bond): for interface, interface_config in bond['member']['interface'].items(): # Check if member interface is a new member - if not conf.exists_effective(['member', 'interface', interface]): + if not conf.exists_effective(base + [ifname, 'member', 'interface', interface]): bond['shutdown_required'] = {} # Check if member interface is disabled diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py index e02841831..b49c945cd 100755 --- a/src/conf_mode/interfaces-ethernet.py +++ b/src/conf_mode/interfaces-ethernet.py @@ -175,7 +175,7 @@ def generate(ethernet): loaded_pki_cert = load_certificate(pki_cert['certificate']) loaded_ca_certs = {load_certificate(c['certificate']) - for c in ethernet['pki']['ca'].values()} + for c in ethernet['pki']['ca'].values()} if 'ca' in ethernet['pki'] else {} cert_full_chain = find_chain(loaded_pki_cert, loaded_ca_certs) diff --git a/src/conf_mode/interfaces-geneve.py b/src/conf_mode/interfaces-geneve.py index 08cc3a48d..f6694ddde 100755 --- a/src/conf_mode/interfaces-geneve.py +++ b/src/conf_mode/interfaces-geneve.py @@ -14,14 +14,11 @@ # 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 - from sys import exit from netifaces import interfaces from vyos.config import Config from vyos.configdict import get_interface_dict -from vyos.configdict import leaf_node_changed from vyos.configdict import is_node_changed from vyos.configverify import verify_address from vyos.configverify import verify_mtu_ipv6 @@ -49,13 +46,10 @@ def get_config(config=None): # GENEVE interfaces are picky and require recreation if certain parameters # change. But a GENEVE interface should - of course - not be re-created if # it's description or IP address is adjusted. Feels somehow logic doesn't it? - for cli_option in ['remote', 'vni']: - if leaf_node_changed(conf, base + [ifname, cli_option]): + for cli_option in ['remote', 'vni', 'parameters']: + if is_node_changed(conf, base + [ifname, cli_option]): geneve.update({'rebuild_required': {}}) - if is_node_changed(conf, base + [ifname, 'parameters']): - geneve.update({'rebuild_required': {}}) - return geneve def verify(geneve): diff --git a/src/conf_mode/interfaces-input.py b/src/conf_mode/interfaces-input.py new file mode 100755 index 000000000..ad248843d --- /dev/null +++ b/src/conf_mode/interfaces-input.py @@ -0,0 +1,70 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 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 +# 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 vyos.config import Config +from vyos.configdict import get_interface_dict +from vyos.configverify import verify_mirror_redirect +from vyos.ifconfig import InputIf +from vyos import ConfigError +from vyos import airbag +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', 'input'] + _, ifb = get_interface_dict(conf, base) + + return ifb + +def verify(ifb): + if 'deleted' in ifb: + return None + + verify_mirror_redirect(ifb) + return None + +def generate(ifb): + return None + +def apply(ifb): + d = InputIf(ifb['ifname']) + + # Remove input interface + if 'deleted' in ifb: + d.remove() + else: + d.update(ifb) + + 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-pppoe.py b/src/conf_mode/interfaces-pppoe.py index e2fdc7a42..5f0b76f90 100755 --- a/src/conf_mode/interfaces-pppoe.py +++ b/src/conf_mode/interfaces-pppoe.py @@ -23,7 +23,6 @@ from netifaces import interfaces from vyos.config import Config from vyos.configdict import get_interface_dict from vyos.configdict import is_node_changed -from vyos.configdict import leaf_node_changed from vyos.configdict import get_pppoe_interfaces from vyos.configverify import verify_authentication from vyos.configverify import verify_source_interface @@ -55,7 +54,8 @@ def get_config(config=None): # All parameters that can be changed on-the-fly (like interface description) # should not lead to a reconnect! for options in ['access-concentrator', 'connect-on-demand', 'service-name', - 'source-interface', 'vrf', 'no-default-route', 'authentication']: + 'source-interface', 'vrf', 'no-default-route', + 'authentication', 'host_uniq']: if is_node_changed(conf, base + [ifname, options]): pppoe.update({'shutdown_required': {}}) # bail out early - no need to further process other nodes diff --git a/src/conf_mode/interfaces-pseudo-ethernet.py b/src/conf_mode/interfaces-pseudo-ethernet.py index 4c65bc0b6..dce5c2358 100755 --- a/src/conf_mode/interfaces-pseudo-ethernet.py +++ b/src/conf_mode/interfaces-pseudo-ethernet.py @@ -21,7 +21,7 @@ from vyos.config import Config from vyos.configdict import get_interface_dict from vyos.configdict import is_node_changed from vyos.configdict import is_source_interface -from vyos.configdict import leaf_node_changed +from vyos.configdict import is_node_changed from vyos.configverify import verify_vrf from vyos.configverify import verify_address from vyos.configverify import verify_bridge_delete @@ -51,7 +51,7 @@ def get_config(config=None): mode = is_node_changed(conf, ['mode']) if mode: peth.update({'shutdown_required' : {}}) - if leaf_node_changed(conf, base + [ifname, 'mode']): + if is_node_changed(conf, base + [ifname, 'mode']): peth.update({'rebuild_required': {}}) if 'source_interface' in peth: diff --git a/src/conf_mode/interfaces-sstpc.py b/src/conf_mode/interfaces-sstpc.py new file mode 100755 index 000000000..b5cc4cf4e --- /dev/null +++ b/src/conf_mode/interfaces-sstpc.py @@ -0,0 +1,145 @@ +#!/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/>. + +import os +from sys import exit + +from vyos.config import Config +from vyos.configdict import get_interface_dict +from vyos.configdict import is_node_changed +from vyos.configverify import verify_authentication +from vyos.configverify import verify_vrf +from vyos.ifconfig import SSTPCIf +from vyos.pki import encode_certificate +from vyos.pki import find_chain +from vyos.pki import load_certificate +from vyos.template import render +from vyos.util import call +from vyos.util import dict_search +from vyos.util import is_systemd_service_running +from vyos.util import write_file +from vyos import ConfigError +from vyos import airbag +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', 'sstpc'] + ifname, sstpc = get_interface_dict(conf, base) + + # We should only terminate the SSTP client session if critical parameters + # change. All parameters that can be changed on-the-fly (like interface + # description) should not lead to a reconnect! + for options in ['authentication', 'no_peer_dns', 'no_default_route', + 'server', 'ssl']: + if is_node_changed(conf, base + [ifname, options]): + sstpc.update({'shutdown_required': {}}) + # bail out early - no need to further process other nodes + break + + # Load PKI certificates for later processing + sstpc['pki'] = conf.get_config_dict(['pki'], key_mangling=('-', '_'), + get_first_key=True, + no_tag_node_value_mangle=True) + return sstpc + +def verify(sstpc): + if 'deleted' in sstpc: + return None + + verify_authentication(sstpc) + verify_vrf(sstpc) + + if not dict_search('server', sstpc): + raise ConfigError('Remote SSTP server must be specified!') + + if not dict_search('ssl.ca_certificate', sstpc): + raise ConfigError('Missing mandatory CA certificate!') + + return None + +def generate(sstpc): + ifname = sstpc['ifname'] + config_sstpc = f'/etc/ppp/peers/{ifname}' + + sstpc['ca_file_path'] = f'/run/sstpc/{ifname}_ca-cert.pem' + + if 'deleted' in sstpc: + for file in [sstpc['ca_file_path'], config_sstpc]: + if os.path.exists(file): + os.unlink(file) + return None + + ca_name = sstpc['ssl']['ca_certificate'] + pki_ca_cert = sstpc['pki']['ca'][ca_name] + + loaded_ca_cert = load_certificate(pki_ca_cert['certificate']) + loaded_ca_certs = {load_certificate(c['certificate']) + for c in sstpc['pki']['ca'].values()} if 'ca' in sstpc['pki'] else {} + + ca_full_chain = find_chain(loaded_ca_cert, loaded_ca_certs) + + write_file(sstpc['ca_file_path'], '\n'.join(encode_certificate(c) for c in ca_full_chain)) + render(config_sstpc, 'sstp-client/peer.j2', sstpc, permission=0o640) + + return None + +def apply(sstpc): + ifname = sstpc['ifname'] + if 'deleted' in sstpc or 'disable' in sstpc: + if os.path.isdir(f'/sys/class/net/{ifname}'): + p = SSTPCIf(ifname) + p.remove() + call(f'systemctl stop ppp@{ifname}.service') + return None + + # reconnect should only be necessary when specific options change, + # like server, authentication ... (see get_config() for details) + if ((not is_systemd_service_running(f'ppp@{ifname}.service')) or + 'shutdown_required' in sstpc): + + # cleanup system (e.g. FRR routes first) + if os.path.isdir(f'/sys/class/net/{ifname}'): + p = SSTPCIf(ifname) + p.remove() + + call(f'systemctl restart ppp@{ifname}.service') + # When interface comes "live" a hook is called: + # /etc/ppp/ip-up.d/96-vyos-sstpc-callback + # which triggers SSTPCIf.update() + else: + if os.path.isdir(f'/sys/class/net/{ifname}'): + p = SSTPCIf(ifname) + p.update(sstpc) + + 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-tunnel.py b/src/conf_mode/interfaces-tunnel.py index acef1fda7..e2701d9d3 100755 --- a/src/conf_mode/interfaces-tunnel.py +++ b/src/conf_mode/interfaces-tunnel.py @@ -21,7 +21,7 @@ from netifaces import interfaces from vyos.config import Config from vyos.configdict import get_interface_dict -from vyos.configdict import leaf_node_changed +from vyos.configdict import is_node_changed from vyos.configverify import verify_address from vyos.configverify import verify_bridge_delete from vyos.configverify import verify_interface_exists @@ -52,7 +52,7 @@ def get_config(config=None): ifname, tunnel = get_interface_dict(conf, base) if 'deleted' not in tunnel: - tmp = leaf_node_changed(conf, base + [ifname, 'encapsulation']) + tmp = is_node_changed(conf, base + [ifname, 'encapsulation']) if tmp: tunnel.update({'encapsulation_changed': {}}) # We also need to inspect other configured tunnels as there are Kernel diff --git a/src/conf_mode/interfaces-virtual-ethernet.py b/src/conf_mode/interfaces-virtual-ethernet.py new file mode 100755 index 000000000..8efe89c41 --- /dev/null +++ b/src/conf_mode/interfaces-virtual-ethernet.py @@ -0,0 +1,114 @@ +#!/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) + # Prevent to delete veth interface which used for another "vethX peer-name" + for iface, iface_config in veth['other_interfaces'].items(): + if veth['ifname'] in iface_config['peer_name']: + ifname = veth['ifname'] + raise ConfigError( + f'Cannot delete "{ifname}" used for "interface {iface} peer-name"' + ) + 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"]}"!') + + peer_name = veth['peer_name'] + ifname = veth['ifname'] + + if veth['peer_name'] not in veth['other_interfaces']: + raise ConfigError(f'Used peer-name "{peer_name}" on interface "{ifname}" ' \ + 'is not configured!') + + if veth['other_interfaces'][peer_name]['peer_name'] != ifname: + raise ConfigError( + f'Configuration mismatch between "{ifname}" and "{peer_name}"!') + + if peer_name == ifname: + raise ConfigError( + f'Peer-name "{peer_name}" cannot be the same as interface "{ifname}"!') + + 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-vxlan.py b/src/conf_mode/interfaces-vxlan.py index af2d0588d..b1536148c 100755 --- a/src/conf_mode/interfaces-vxlan.py +++ b/src/conf_mode/interfaces-vxlan.py @@ -52,13 +52,11 @@ def get_config(config=None): # VXLAN interfaces are picky and require recreation if certain parameters # change. But a VXLAN interface should - of course - not be re-created if # it's description or IP address is adjusted. Feels somehow logic doesn't it? - for cli_option in ['external', 'gpe', 'group', 'port', 'remote', + for cli_option in ['parameters', 'external', 'gpe', 'group', 'port', 'remote', 'source-address', 'source-interface', 'vni']: - if leaf_node_changed(conf, base + [ifname, cli_option]): + if is_node_changed(conf, base + [ifname, cli_option]): vxlan.update({'rebuild_required': {}}) - - if is_node_changed(conf, base + [ifname, 'parameters']): - vxlan.update({'rebuild_required': {}}) + break # We need to verify that no other VXLAN tunnel is configured when external # mode is in use - Linux Kernel limitation 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/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/ntp.py b/src/conf_mode/ntp.py index 0ecb4d736..92cb73aab 100755 --- a/src/conf_mode/ntp.py +++ b/src/conf_mode/ntp.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018-2022 VyOS maintainers and contributors +# Copyright (C) 2018-2023 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 @@ -21,26 +21,29 @@ from vyos.configdict import is_node_changed from vyos.configverify import verify_vrf from vyos.configverify import verify_interface_exists from vyos.util import call +from vyos.util import chmod_750 from vyos.util import get_interface_config from vyos.template import render from vyos import ConfigError from vyos import airbag airbag.enable() -config_file = r'/run/ntpd/ntpd.conf' -systemd_override = r'/etc/systemd/system/ntp.service.d/override.conf' +config_file = r'/run/chrony/chrony.conf' +systemd_override = r'/run/systemd/system/chrony.service.d/override.conf' +user_group = '_chrony' def get_config(config=None): if config: conf = config else: conf = Config() - base = ['system', 'ntp'] + base = ['service', 'ntp'] if not conf.exists(base): return None ntp = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) ntp['config_file'] = config_file + ntp['user'] = user_group tmp = is_node_changed(conf, base + ['vrf']) if tmp: ntp.update({'restart_required': {}}) @@ -52,7 +55,7 @@ def verify(ntp): if not ntp: return None - if 'allow_clients' in ntp and 'server' not in ntp: + if 'server' not in ntp: raise ConfigError('NTP server not configured') verify_vrf(ntp) @@ -77,13 +80,17 @@ def generate(ntp): if not ntp: return None - render(config_file, 'ntp/ntpd.conf.j2', ntp) - render(systemd_override, 'ntp/override.conf.j2', ntp) + render(config_file, 'chrony/chrony.conf.j2', ntp, user=user_group, group=user_group) + render(systemd_override, 'chrony/override.conf.j2', ntp, user=user_group, group=user_group) + + # Ensure proper permission for chrony command socket + config_dir = os.path.dirname(config_file) + chmod_750(config_dir) return None def apply(ntp): - systemd_service = 'ntp.service' + systemd_service = 'chrony.service' # Reload systemd manager configuration call('systemctl daemon-reload') diff --git a/src/conf_mode/pki.py b/src/conf_mode/pki.py index 29ed7b1b7..54de467ca 100755 --- a/src/conf_mode/pki.py +++ b/src/conf_mode/pki.py @@ -16,20 +16,16 @@ from sys import exit -import jmespath - from vyos.config import Config +from vyos.configdep import set_dependents, call_dependents from vyos.configdict import dict_merge from vyos.configdict import node_changed from vyos.pki import is_ca_certificate from vyos.pki import load_certificate -from vyos.pki import load_certificate_request from vyos.pki import load_public_key from vyos.pki import load_private_key from vyos.pki import load_crl from vyos.pki import load_dh_parameters -from vyos.util import ask_input -from vyos.util import call from vyos.util import dict_search_args from vyos.util import dict_search_recursive from vyos.xml import defaults @@ -55,6 +51,11 @@ sync_search = [ 'script': '/usr/libexec/vyos/conf_mode/interfaces-openvpn.py' }, { + 'keys': ['ca_certificate'], + 'path': ['interfaces', 'sstpc'], + 'script': '/usr/libexec/vyos/conf_mode/interfaces-sstpc.py' + }, + { 'keys': ['certificate', 'ca_certificate', 'local_key', 'remote_key'], 'path': ['vpn', 'ipsec'], 'script': '/usr/libexec/vyos/conf_mode/vpn_ipsec.py' @@ -121,6 +122,39 @@ def get_config(config=None): get_first_key=True, no_tag_node_value_mangle=True) + if 'changed' in pki: + for search in sync_search: + for key in search['keys']: + changed_key = sync_translate[key] + + if changed_key not in pki['changed']: + continue + + for item_name in pki['changed'][changed_key]: + node_present = False + if changed_key == 'openvpn': + node_present = dict_search_args(pki, 'openvpn', 'shared_secret', item_name) + else: + node_present = dict_search_args(pki, changed_key, item_name) + + if node_present: + search_dict = dict_search_args(pki['system'], *search['path']) + + if not search_dict: + continue + + for found_name, found_path in dict_search_recursive(search_dict, key): + if found_name == item_name: + path = search['path'] + path_str = ' '.join(path + found_path) + print(f'pki: Updating config: {path_str} {found_name}') + + if path[0] == 'interfaces': + ifname = found_path[0] + set_dependents(path[1], conf, ifname) + else: + set_dependents(path[1], conf) + return pki def is_valid_certificate(raw_data): @@ -259,37 +293,7 @@ def apply(pki): return None if 'changed' in pki: - for search in sync_search: - for key in search['keys']: - changed_key = sync_translate[key] - - if changed_key not in pki['changed']: - continue - - for item_name in pki['changed'][changed_key]: - node_present = False - if changed_key == 'openvpn': - node_present = dict_search_args(pki, 'openvpn', 'shared_secret', item_name) - else: - node_present = dict_search_args(pki, changed_key, item_name) - - if node_present: - search_dict = dict_search_args(pki['system'], *search['path']) - - if not search_dict: - continue - - for found_name, found_path in dict_search_recursive(search_dict, key): - if found_name == item_name: - path_str = ' '.join(search['path'] + found_path) - print(f'pki: Updating config: {path_str} {found_name}') - - script = search['script'] - if found_path[0] == 'interfaces': - ifname = found_path[2] - call(f'VYOS_TAGNODE_VALUE={ifname} {script}') - else: - call(script) + call_dependents() return None 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..40a32efb3 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 +32,14 @@ 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' + 'port_group', + 'interface_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 +52,6 @@ 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 +95,8 @@ 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 +131,11 @@ 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 a0d288e91..331194fec 100755 --- a/src/conf_mode/policy.py +++ b/src/conf_mode/policy.py @@ -167,6 +167,11 @@ 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) diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index ff568d470..4f05957fa 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -14,8 +14,6 @@ # 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 - from sys import exit from sys import argv @@ -57,13 +55,18 @@ def get_config(config=None): # instead of the VRF instance. if vrf: bgp.update({'vrf' : vrf}) + bgp['dependent_vrfs'] = conf.get_config_dict(['vrf', 'name'], + key_mangling=('-', '_'), + get_first_key=True, + no_tag_node_value_mangle=True) + + bgp['dependent_vrfs'].update({'default': {'protocols': { + 'bgp': conf.get_config_dict(base_path, key_mangling=('-', '_'), + get_first_key=True, + no_tag_node_value_mangle=True)}}}) if not conf.exists(base): + # If bgp instance is deleted then mark it bgp.update({'deleted' : ''}) - if not vrf: - # We are running in the default VRF context, thus we can not delete - # our main BGP instance if there are dependent BGP VRF instances. - bgp['dependent_vrfs'] = conf.get_config_dict(['vrf', 'name'], - key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) return bgp # We also need some additional information from the config, prefix-lists @@ -74,9 +77,91 @@ def get_config(config=None): tmp = conf.get_config_dict(['policy']) # Merge policy dict into "regular" config dict bgp = dict_merge(tmp, bgp) - return bgp + +def verify_vrf_as_import(search_vrf_name: str, afi_name: str, vrfs_config: dict) -> bool: + """ + :param search_vrf_name: search vrf name in import list + :type search_vrf_name: str + :param afi_name: afi/safi name + :type afi_name: str + :param vrfs_config: configuration dependents vrfs + :type vrfs_config: dict + :return: if vrf in import list retrun true else false + :rtype: bool + """ + for vrf_name, vrf_config in vrfs_config.items(): + import_list = dict_search( + f'protocols.bgp.address_family.{afi_name}.import.vrf', + vrf_config) + if import_list: + if search_vrf_name in import_list: + return True + return False + +def verify_vrf_import_options(afi_config: dict) -> bool: + """ + Search if afi contains one of options + :param afi_config: afi/safi + :type afi_config: dict + :return: if vrf contains rd and route-target options return true else false + :rtype: bool + """ + options = [ + f'rd.vpn.export', + f'route_target.vpn.import', + f'route_target.vpn.export', + f'route_target.vpn.both' + ] + for option in options: + if dict_search(option, afi_config): + return True + return False + +def verify_vrf_import(vrf_name: str, vrfs_config: dict, afi_name: str) -> bool: + """ + Verify if vrf exists and contain options + :param vrf_name: name of VRF + :type vrf_name: str + :param vrfs_config: dependent vrfs config + :type vrfs_config: dict + :param afi_name: afi/safi name + :type afi_name: str + :return: if vrf contains rd and route-target options return true else false + :rtype: bool + """ + if vrf_name != 'default': + verify_vrf({'vrf': vrf_name}) + if dict_search(f'{vrf_name}.protocols.bgp.address_family.{afi_name}', + vrfs_config): + afi_config = \ + vrfs_config[vrf_name]['protocols']['bgp']['address_family'][ + afi_name] + if verify_vrf_import_options(afi_config): + return True + return False + +def verify_vrflist_import(afi_name: str, afi_config: dict, vrfs_config: dict) -> bool: + """ + Call function to verify + if scpecific vrf contains rd and route-target + options return true else false + + :param afi_name: afi/safi name + :type afi_name: str + :param afi_config: afi/safi configuration + :type afi_config: dict + :param vrfs_config: dependent vrfs config + :type vrfs_config:dict + :return: if vrf contains rd and route-target options return true else false + :rtype: bool + """ + for vrf_name in afi_config['import']['vrf']: + if verify_vrf_import(vrf_name, vrfs_config, afi_name): + return True + return False + def verify_remote_as(peer_config, bgp_config): if 'remote_as' in peer_config: return peer_config['remote_as'] @@ -113,12 +198,22 @@ def verify_afi(peer_config, bgp_config): return False def verify(bgp): - if not bgp or 'deleted' in bgp: - if 'dependent_vrfs' in bgp: - for vrf, vrf_options in bgp['dependent_vrfs'].items(): - if dict_search('protocols.bgp', vrf_options) != None: - raise ConfigError('Cannot delete default BGP instance, ' \ - 'dependent VRF instance(s) exist!') + if 'deleted' in bgp: + if 'vrf' in bgp: + # Cannot delete vrf if it exists in import vrf list in other vrfs + for tmp_afi in ['ipv4_unicast', 'ipv6_unicast']: + if verify_vrf_as_import(bgp['vrf'],tmp_afi,bgp['dependent_vrfs']): + raise ConfigError(f'Cannot delete vrf {bgp["vrf"]} instance, ' \ + 'Please unconfigure import vrf commands!') + else: + # We are running in the default VRF context, thus we can not delete + # our main BGP instance if there are dependent BGP VRF instances. + if 'dependent_vrfs' in bgp: + for vrf, vrf_options in bgp['dependent_vrfs'].items(): + if vrf != 'default': + if dict_search('protocols.bgp', vrf_options): + raise ConfigError('Cannot delete default BGP instance, ' \ + 'dependent VRF instance(s) exist!') return None if 'system_as' not in bgp: @@ -140,6 +235,11 @@ def verify(bgp): raise ConfigError(f'Specified peer-group "{peer_group}" for '\ f'neighbor "{neighbor}" does not exist!') + if 'local_role' in peer_config: + #Ensure Local Role has only one value. + if len(peer_config['local_role']) > 1: + raise ConfigError(f'Only one local role can be specified for peer "{peer}"!') + if 'local_as' in peer_config: if len(peer_config['local_as']) > 1: raise ConfigError(f'Only one local-as number can be specified for peer "{peer}"!') @@ -324,9 +424,43 @@ def verify(bgp): f'{afi} administrative distance {key}!') if afi in ['ipv4_unicast', 'ipv6_unicast']: - if 'import' in afi_config and 'vrf' in afi_config['import']: - # Check if VRF exists - verify_vrf(afi_config['import']['vrf']) + + vrf_name = bgp['vrf'] if dict_search('vrf', bgp) else 'default' + # Verify if currant VRF contains rd and route-target options + # and does not exist in import list in other VRFs + if dict_search(f'rd.vpn.export', afi_config): + if verify_vrf_as_import(vrf_name, afi, bgp['dependent_vrfs']): + raise ConfigError( + 'Command "import vrf" conflicts with "rd vpn export" command!') + + if dict_search('route_target.vpn.both', afi_config): + if verify_vrf_as_import(vrf_name, afi, bgp['dependent_vrfs']): + raise ConfigError( + 'Command "import vrf" conflicts with "route-target vpn both" command!') + + if dict_search('route_target.vpn.import', afi_config): + if verify_vrf_as_import(vrf_name, afi, bgp['dependent_vrfs']): + raise ConfigError( + 'Command "import vrf conflicts" with "route-target vpn import" command!') + + if dict_search('route_target.vpn.export', afi_config): + if verify_vrf_as_import(vrf_name, afi, bgp['dependent_vrfs']): + raise ConfigError( + 'Command "import vrf" conflicts with "route-target vpn export" command!') + + # Verify if VRFs in import do not contain rd + # and route-target options + if dict_search('import.vrf', afi_config) is not None: + # Verify if VRF with import does not contain rd + # and route-target options + if verify_vrf_import_options(afi_config): + raise ConfigError( + 'Please unconfigure "import vrf" commands before using vpn commands in the same VRF!') + # Verify if VRFs in import list do not contain rd + # and route-target options + if verify_vrflist_import(afi, afi_config, bgp['dependent_vrfs']): + raise ConfigError( + 'Please unconfigure import vrf commands before using vpn commands in dependent VRFs!') # FRR error: please unconfigure vpn to vrf commands before # using import vrf commands @@ -339,7 +473,6 @@ def verify(bgp): tmp = dict_search(f'route_map.vpn.{export_import}', afi_config) if tmp: verify_route_map(tmp, bgp) - return None def generate(bgp): diff --git a/src/conf_mode/protocols_failover.py b/src/conf_mode/protocols_failover.py new file mode 100755 index 000000000..85e984afe --- /dev/null +++ b/src/conf_mode/protocols_failover.py @@ -0,0 +1,121 @@ +#!/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/>. + +import json + +from pathlib import Path + +from vyos.config import Config +from vyos.configdict import dict_merge +from vyos.template import render +from vyos.util import call +from vyos.xml import defaults +from vyos import ConfigError +from vyos import airbag + +airbag.enable() + + +service_name = 'vyos-failover' +service_conf = Path(f'/run/{service_name}.conf') +systemd_service = '/run/systemd/system/vyos-failover.service' +rt_proto_failover = '/etc/iproute2/rt_protos.d/failover.conf' + + +def get_config(config=None): + if config: + conf = config + else: + conf = Config() + + base = ['protocols', 'failover'] + failover = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + + # Set default values only if we set config + if failover.get('route'): + for route, route_config in failover.get('route').items(): + for next_hop, next_hop_config in route_config.get('next_hop').items(): + default_values = defaults(base + ['route']) + failover['route'][route]['next_hop'][next_hop] = dict_merge( + default_values['next_hop'], failover['route'][route]['next_hop'][next_hop]) + + return failover + +def verify(failover): + # bail out early - looks like removal from running config + if not failover: + return None + + if 'route' not in failover: + raise ConfigError(f'Failover "route" is mandatory!') + + for route, route_config in failover['route'].items(): + if not route_config.get('next_hop'): + raise ConfigError(f'Next-hop for "{route}" is mandatory!') + + for next_hop, next_hop_config in route_config.get('next_hop').items(): + if 'interface' not in next_hop_config: + raise ConfigError(f'Interface for route "{route}" next-hop "{next_hop}" is mandatory!') + + if not next_hop_config.get('check'): + raise ConfigError(f'Check target for next-hop "{next_hop}" is mandatory!') + + if 'target' not in next_hop_config['check']: + raise ConfigError(f'Check target for next-hop "{next_hop}" is mandatory!') + + check_type = next_hop_config['check']['type'] + if check_type == 'tcp' and 'port' not in next_hop_config['check']: + raise ConfigError(f'Check port for next-hop "{next_hop}" and type TCP is mandatory!') + + return None + +def generate(failover): + if not failover: + service_conf.unlink(missing_ok=True) + return None + + # Add own rt_proto 'failover' + # Helps to detect all own routes 'proto failover' + with open(rt_proto_failover, 'w') as f: + f.write('111 failover\n') + + # Write configuration file + conf_json = json.dumps(failover, indent=4) + service_conf.write_text(conf_json) + render(systemd_service, 'protocols/systemd_vyos_failover_service.j2', failover) + + return None + +def apply(failover): + if not failover: + call(f'systemctl stop {service_name}.service') + call('ip route flush protocol failover') + else: + call('systemctl daemon-reload') + call(f'systemctl restart {service_name}.service') + call(f'ip route flush protocol failover') + + 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/protocols_mpls.py b/src/conf_mode/protocols_mpls.py index 5da8e7b06..73af6595b 100755 --- a/src/conf_mode/protocols_mpls.py +++ b/src/conf_mode/protocols_mpls.py @@ -24,6 +24,7 @@ from vyos.template import render_to_string from vyos.util import dict_search from vyos.util import read_file from vyos.util import sysctl_write +from vyos.configverify import verify_interface_exists from vyos import ConfigError from vyos import frr from vyos import airbag @@ -46,6 +47,10 @@ def verify(mpls): if not mpls: return None + if 'interface' in mpls: + for interface in mpls['interface']: + verify_interface_exists(interface) + # Checks to see if LDP is properly configured if 'ldp' in mpls: # If router ID not defined diff --git a/src/conf_mode/protocols_ospfv3.py b/src/conf_mode/protocols_ospfv3.py index ee4eaf59d..ed0a8fba2 100755 --- a/src/conf_mode/protocols_ospfv3.py +++ b/src/conf_mode/protocols_ospfv3.py @@ -117,6 +117,10 @@ def verify(ospfv3): if 'area_type' in area_config: if len(area_config['area_type']) > 1: raise ConfigError(f'Can only configure one area-type for OSPFv3 area "{area}"!') + if 'range' in area_config: + for range, range_config in area_config['range'].items(): + if {'not_advertise', 'advertise'} <= range_config.keys(): + raise ConfigError(f'"not-advertise" and "advertise" for "range {range}" cannot be both configured at the same time!') if 'interface' in ospfv3: for interface, interface_config in ospfv3['interface'].items(): diff --git a/src/conf_mode/protocols_static.py b/src/conf_mode/protocols_static.py index 58e202928..3e5ebb805 100755 --- a/src/conf_mode/protocols_static.py +++ b/src/conf_mode/protocols_static.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2021 VyOS maintainers and contributors +# Copyright (C) 2021-2023 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 @@ -25,12 +25,15 @@ from vyos.configdict import get_dhcp_interfaces from vyos.configdict import get_pppoe_interfaces from vyos.configverify import verify_common_route_maps from vyos.configverify import verify_vrf +from vyos.template import render from vyos.template import render_to_string from vyos import ConfigError from vyos import frr from vyos import airbag airbag.enable() +config_file = '/etc/iproute2/rt_tables.d/vyos-static.conf' + def get_config(config=None): if config: conf = config @@ -94,6 +97,9 @@ def verify(static): def generate(static): if not static: return None + + # Put routing table names in /etc/iproute2/rt_tables + render(config_file, 'iproute2/static.conf.j2', static) static['new_frr_config'] = render_to_string('frr/staticd.frr.j2', static) return None diff --git a/src/conf_mode/qos.py b/src/conf_mode/qos.py index dbe3be225..dca713283 100755 --- a/src/conf_mode/qos.py +++ b/src/conf_mode/qos.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2022 VyOS maintainers and contributors +# Copyright (C) 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 @@ -14,15 +14,62 @@ # 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 + from sys import exit +from netifaces import interfaces +from vyos.base import Warning from vyos.config import Config from vyos.configdict import dict_merge +from vyos.qos import CAKE +from vyos.qos import DropTail +from vyos.qos import FairQueue +from vyos.qos import FQCodel +from vyos.qos import Limiter +from vyos.qos import NetEm +from vyos.qos import Priority +from vyos.qos import RandomDetect +from vyos.qos import RateLimiter +from vyos.qos import RoundRobin +from vyos.qos import TrafficShaper +from vyos.qos import TrafficShaperHFSC +from vyos.util import call +from vyos.util import dict_search_recursive from vyos.xml import defaults from vyos import ConfigError from vyos import airbag airbag.enable() +map_vyops_tc = { + 'cake' : CAKE, + 'drop_tail' : DropTail, + 'fair_queue' : FairQueue, + 'fq_codel' : FQCodel, + 'limiter' : Limiter, + 'network_emulator' : NetEm, + 'priority_queue' : Priority, + 'random_detect' : RandomDetect, + 'rate_control' : RateLimiter, + 'round_robin' : RoundRobin, + 'shaper' : TrafficShaper, + 'shaper_hfsc' : TrafficShaperHFSC, +} + +def get_shaper(qos, interface_config, direction): + policy_name = interface_config[direction] + # An interface might have a QoS configuration, search the used + # configuration referenced by this. Path will hold the dict element + # referenced by the config, as this will be of sort: + # + # ['policy', 'drop_tail', 'foo-dtail'] <- we are only interested in + # drop_tail as the policy/shaper type + _, path = next(dict_search_recursive(qos, policy_name)) + shaper_type = path[1] + shaper_config = qos['policy'][shaper_type][policy_name] + + return (map_vyops_tc[shaper_type], shaper_config) + def get_config(config=None): if config: conf = config @@ -32,48 +79,172 @@ def get_config(config=None): if not conf.exists(base): return None - qos = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + qos = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True, + no_tag_node_value_mangle=True) if 'policy' in qos: for policy in qos['policy']: - # CLI mangles - to _ for better Jinja2 compatibility - do we need - # Jinja2 here? - policy = policy.replace('-','_') + # when calling defaults() we need to use the real CLI node, thus we + # need a hyphen + policy_hyphen = policy.replace('_', '-') - default_values = defaults(base + ['policy', policy]) - - # class is another tag node which requires individual handling - class_default_values = defaults(base + ['policy', policy, 'class']) - if 'class' in default_values: - del default_values['class'] + if policy in ['random_detect']: + for rd_name, rd_config in qos['policy'][policy].items(): + # There are eight precedence levels - ensure all are present + # to be filled later down with the appropriate default values + default_precedence = {'precedence' : { '0' : {}, '1' : {}, '2' : {}, '3' : {}, + '4' : {}, '5' : {}, '6' : {}, '7' : {} }} + qos['policy']['random_detect'][rd_name] = dict_merge( + default_precedence, qos['policy']['random_detect'][rd_name]) for p_name, p_config in qos['policy'][policy].items(): + default_values = defaults(base + ['policy', policy_hyphen]) + + if policy in ['priority_queue']: + if 'default' not in p_config: + raise ConfigError(f'QoS policy {p_name} misses "default" class!') + + # 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 'class' in default_values: + del default_values['class'] + if 'precedence' in default_values: + del default_values['precedence'] + qos['policy'][policy][p_name] = dict_merge( default_values, qos['policy'][policy][p_name]) + # class is another tag node which requires individual handling if 'class' in p_config: + default_values = defaults(base + ['policy', policy_hyphen, 'class']) for p_class in p_config['class']: qos['policy'][policy][p_name]['class'][p_class] = dict_merge( - class_default_values, qos['policy'][policy][p_name]['class'][p_class]) + default_values, qos['policy'][policy][p_name]['class'][p_class]) + + if 'precedence' in p_config: + default_values = defaults(base + ['policy', policy_hyphen, 'precedence']) + # precedence values are a bit more complex as they are calculated + # under specific circumstances - thus we need to iterate two times. + # first blend in the defaults from XML / CLI + for precedence in p_config['precedence']: + qos['policy'][policy][p_name]['precedence'][precedence] = dict_merge( + default_values, qos['policy'][policy][p_name]['precedence'][precedence]) + # second calculate defaults based on actual dictionary + for precedence in p_config['precedence']: + max_thr = int(qos['policy'][policy][p_name]['precedence'][precedence]['maximum_threshold']) + if 'minimum_threshold' not in qos['policy'][policy][p_name]['precedence'][precedence]: + qos['policy'][policy][p_name]['precedence'][precedence]['minimum_threshold'] = str( + int((9 + int(precedence)) * max_thr) // 18); + + if 'queue_limit' not in qos['policy'][policy][p_name]['precedence'][precedence]: + qos['policy'][policy][p_name]['precedence'][precedence]['queue_limit'] = \ + str(int(4 * max_thr)) - import pprint - pprint.pprint(qos) return qos def verify(qos): - if not qos: + if not qos or 'interface' not in qos: return None # network policy emulator # reorder rerquires delay to be set + if 'policy' in qos: + for policy_type in qos['policy']: + for policy, policy_config in qos['policy'][policy_type].items(): + # a policy with it's given name is only allowed to exist once + # on the system. This is because an interface selects a policy + # for ingress/egress traffic, and thus there can only be one + # policy with a given name. + # + # We check if the policy name occurs more then once - error out + # if this is true + counter = 0 + for _, path in dict_search_recursive(qos['policy'], policy): + counter += 1 + if counter > 1: + raise ConfigError(f'Conflicting policy name "{policy}", already in use!') + + if 'class' in policy_config: + for cls, cls_config in policy_config['class'].items(): + # bandwidth is not mandatory for priority-queue - that is why this is on the exception list + if 'bandwidth' not in cls_config and policy_type not in ['priority_queue', 'round_robin']: + raise ConfigError(f'Bandwidth must be defined for policy "{policy}" class "{cls}"!') + if 'match' in cls_config: + for match, match_config in cls_config['match'].items(): + if {'ip', 'ipv6'} <= set(match_config): + raise ConfigError(f'Can not use both IPv6 and IPv4 in one match ({match})!') + + if policy_type in ['random_detect']: + if 'precedence' in policy_config: + for precedence, precedence_config in policy_config['precedence'].items(): + max_tr = int(precedence_config['maximum_threshold']) + if {'maximum_threshold', 'minimum_threshold'} <= set(precedence_config): + min_tr = int(precedence_config['minimum_threshold']) + if min_tr >= max_tr: + raise ConfigError(f'Policy "{policy}" uses min-threshold "{min_tr}" >= max-threshold "{max_tr}"!') + + if {'maximum_threshold', 'queue_limit'} <= set(precedence_config): + queue_lim = int(precedence_config['queue_limit']) + if queue_lim < max_tr: + raise ConfigError(f'Policy "{policy}" uses queue-limit "{queue_lim}" < max-threshold "{max_tr}"!') + + if 'default' in policy_config: + if 'bandwidth' not in policy_config['default'] and policy_type not in ['priority_queue', 'round_robin']: + raise ConfigError('Bandwidth not defined for default traffic!') + + # we should check interface ingress/egress configuration after verifying that + # the policy name is used only once - this makes the logic easier! + for interface, interface_config in qos['interface'].items(): + for direction in ['egress', 'ingress']: + # bail out early if shaper for given direction is not used at all + if direction not in interface_config: + continue + + policy_name = interface_config[direction] + if 'policy' not in qos or list(dict_search_recursive(qos['policy'], policy_name)) == []: + raise ConfigError(f'Selected QoS policy "{policy_name}" does not exist!') + + shaper_type, shaper_config = get_shaper(qos, interface_config, direction) + tmp = shaper_type(interface).get_direction() + if direction not in tmp: + raise ConfigError(f'Selected QoS policy on interface "{interface}" only supports "{tmp}"!') - raise ConfigError('123') return None def generate(qos): + if not qos or 'interface' not in qos: + return None + return None def apply(qos): + # Always delete "old" shapers first + for interface in interfaces(): + # Ignore errors (may have no qdisc) + call(f'tc qdisc del dev {interface} parent ffff:') + call(f'tc qdisc del dev {interface} root') + + if not qos or 'interface' not in qos: + return None + + for interface, interface_config in qos['interface'].items(): + if not os.path.exists(f'/sys/class/net/{interface}'): + # When shaper is bound to a dialup (e.g. PPPoE) interface it is + # possible that it is yet not availbale when to QoS code runs. + # Skip the configuration and inform the user + Warning(f'Interface "{interface}" does not exist!') + continue + + for direction in ['egress', 'ingress']: + # bail out early if shaper for given direction is not used at all + if direction not in interface_config: + continue + + shaper_type, shaper_config = get_shaper(qos, interface_config, direction) + tmp = shaper_type(interface) + tmp.update(shaper_config, direction) + return None if __name__ == '__main__': diff --git a/src/conf_mode/service_console-server.py b/src/conf_mode/service_console-server.py index ee4fe42ab..60eff6543 100755 --- a/src/conf_mode/service_console-server.py +++ b/src/conf_mode/service_console-server.py @@ -27,7 +27,7 @@ from vyos.xml import defaults from vyos import ConfigError config_file = '/run/conserver/conserver.cf' -dropbear_systemd_file = '/etc/systemd/system/dropbear@{port}.service.d/override.conf' +dropbear_systemd_file = '/run/systemd/system/dropbear@{port}.service.d/override.conf' def get_config(config=None): if config: diff --git a/src/conf_mode/service_monitoring_telegraf.py b/src/conf_mode/service_monitoring_telegraf.py index aafece47a..363408679 100755 --- a/src/conf_mode/service_monitoring_telegraf.py +++ b/src/conf_mode/service_monitoring_telegraf.py @@ -38,7 +38,7 @@ cache_dir = f'/etc/telegraf/.cache' config_telegraf = f'/run/telegraf/telegraf.conf' custom_scripts_dir = '/etc/telegraf/custom_scripts' syslog_telegraf = '/etc/rsyslog.d/50-telegraf.conf' -systemd_override = '/etc/systemd/system/telegraf.service.d/10-override.conf' +systemd_override = '/run/systemd/system/telegraf.service.d/10-override.conf' def get_nft_filter_chains(): """ Get nft chains for table filter """ diff --git a/src/conf_mode/service_pppoe-server.py b/src/conf_mode/service_pppoe-server.py index ba0249efd..600ba4e92 100755 --- a/src/conf_mode/service_pppoe-server.py +++ b/src/conf_mode/service_pppoe-server.py @@ -20,6 +20,7 @@ from sys import exit from vyos.config import Config from vyos.configdict import get_accel_dict +from vyos.configdict import is_node_changed from vyos.configverify import verify_accel_ppp_base_service from vyos.configverify import verify_interface_exists from vyos.template import render @@ -43,6 +44,13 @@ def get_config(config=None): # retrieve common dictionary keys pppoe = get_accel_dict(conf, base, pppoe_chap_secrets) + + # reload-or-restart does not implemented in accel-ppp + # use this workaround until it will be implemented + # https://phabricator.accel-ppp.org/T3 + if is_node_changed(conf, base + ['client-ip-pool']) or is_node_changed( + conf, base + ['client-ipv6-pool']): + pppoe.update({'restart_required': {}}) return pppoe def verify(pppoe): @@ -95,7 +103,10 @@ def apply(pppoe): os.unlink(file) return None - call(f'systemctl reload-or-restart {systemd_service}') + if 'restart_required' in pppoe: + call(f'systemctl restart {systemd_service}') + else: + call(f'systemctl reload-or-restart {systemd_service}') if __name__ == '__main__': try: diff --git a/src/conf_mode/service_sla.py b/src/conf_mode/service_sla.py index e7c3ca59c..b1e22f37b 100755 --- a/src/conf_mode/service_sla.py +++ b/src/conf_mode/service_sla.py @@ -27,15 +27,13 @@ from vyos import ConfigError from vyos import airbag airbag.enable() - owamp_config_dir = '/etc/owamp-server' owamp_config_file = f'{owamp_config_dir}/owamp-server.conf' -systemd_override_owamp = r'/etc/systemd/system/owamp-server.d/20-override.conf' +systemd_override_owamp = r'/run/systemd/system/owamp-server.d/20-override.conf' twamp_config_dir = '/etc/twamp-server' twamp_config_file = f'{twamp_config_dir}/twamp-server.conf' -systemd_override_twamp = r'/etc/systemd/system/twamp-server.d/20-override.conf' - +systemd_override_twamp = r'/run/systemd/system/twamp-server.d/20-override.conf' def get_config(config=None): if config: diff --git a/src/conf_mode/service_webproxy.py b/src/conf_mode/service_webproxy.py index 32af31bde..658e496a6 100755 --- a/src/conf_mode/service_webproxy.py +++ b/src/conf_mode/service_webproxy.py @@ -28,8 +28,10 @@ from vyos.util import dict_search from vyos.util import write_file from vyos.validate import is_addr_assigned from vyos.xml import defaults +from vyos.base import Warning from vyos import ConfigError from vyos import airbag + airbag.enable() squid_config_file = '/etc/squid/squid.conf' @@ -37,24 +39,57 @@ squidguard_config_file = '/etc/squidguard/squidGuard.conf' squidguard_db_dir = '/opt/vyatta/etc/config/url-filtering/squidguard/db' user_group = 'proxy' -def generate_sg_localdb(category, list_type, role, proxy): + +def check_blacklist_categorydb(config_section): + if 'block_category' in config_section: + for category in config_section['block_category']: + check_categorydb(category) + if 'allow_category' in config_section: + for category in config_section['allow_category']: + check_categorydb(category) + + +def check_categorydb(category: str): + """ + Check if category's db exist + :param category: + :type str: + """ + path_to_cat: str = f'{squidguard_db_dir}/{category}' + if not os.path.exists(f'{path_to_cat}/domains.db') \ + and not os.path.exists(f'{path_to_cat}/urls.db') \ + and not os.path.exists(f'{path_to_cat}/expressions.db'): + Warning(f'DB of category {category} does not exist.\n ' + f'Use [update webproxy blacklists] ' + f'or delete undefined category!') + + +def generate_sg_rule_localdb(category, list_type, role, proxy): + if not category or not list_type or not role: + return None + cat_ = category.replace('-', '_') - if isinstance(dict_search(f'url_filtering.squidguard.{cat_}', proxy), - list): + if role == 'default': + path_to_cat = f'{cat_}' + else: + path_to_cat = f'rule.{role}.{cat_}' + if isinstance( + dict_search(f'url_filtering.squidguard.{path_to_cat}', proxy), + list): # local block databases must be generated "on-the-fly" tmp = { - 'squidguard_db_dir' : squidguard_db_dir, - 'category' : f'{category}-default', - 'list_type' : list_type, - 'rule' : role + 'squidguard_db_dir': squidguard_db_dir, + 'category': f'{category}-{role}', + 'list_type': list_type, + 'rule': role } sg_tmp_file = '/tmp/sg.conf' - db_file = f'{category}-default/{list_type}' - domains = '\n'.join(dict_search(f'url_filtering.squidguard.{cat_}', proxy)) - + db_file = f'{category}-{role}/{list_type}' + domains = '\n'.join( + dict_search(f'url_filtering.squidguard.{path_to_cat}', proxy)) # local file - write_file(f'{squidguard_db_dir}/{category}-default/local', '', + write_file(f'{squidguard_db_dir}/{category}-{role}/local', '', user=user_group, group=user_group) # database input file write_file(f'{squidguard_db_dir}/{db_file}', domains, @@ -64,17 +99,18 @@ def generate_sg_localdb(category, list_type, role, proxy): render(sg_tmp_file, 'squid/sg_acl.conf.j2', tmp, user=user_group, group=user_group) - call(f'su - {user_group} -c "squidGuard -d -c {sg_tmp_file} -C {db_file}"') + call( + f'su - {user_group} -c "squidGuard -d -c {sg_tmp_file} -C {db_file}"') if os.path.exists(sg_tmp_file): os.unlink(sg_tmp_file) - else: # if category is not part of our configuration, clean out the # squidguard lists - tmp = f'{squidguard_db_dir}/{category}-default' + tmp = f'{squidguard_db_dir}/{category}-{role}' if os.path.exists(tmp): - rmtree(f'{squidguard_db_dir}/{category}-default') + rmtree(f'{squidguard_db_dir}/{category}-{role}') + def get_config(config=None): if config: @@ -85,7 +121,8 @@ def get_config(config=None): if not conf.exists(base): return None - proxy = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + proxy = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True) # We have gathered the dict representation of the CLI, but there are default # options which we need to update into the dictionary retrived. default_values = defaults(base) @@ -110,10 +147,11 @@ def get_config(config=None): default_values = defaults(base + ['cache-peer']) for peer in proxy['cache_peer']: proxy['cache_peer'][peer] = dict_merge(default_values, - proxy['cache_peer'][peer]) + proxy['cache_peer'][peer]) return proxy + def verify(proxy): if not proxy: return None @@ -170,17 +208,30 @@ def generate(proxy): render(squidguard_config_file, 'squid/squidGuard.conf.j2', proxy) cat_dict = { - 'local-block' : 'domains', - 'local-block-keyword' : 'expressions', - 'local-block-url' : 'urls', - 'local-ok' : 'domains', - 'local-ok-url' : 'urls' + 'local-block': 'domains', + 'local-block-keyword': 'expressions', + 'local-block-url': 'urls', + 'local-ok': 'domains', + 'local-ok-url': 'urls' } - for category, list_type in cat_dict.items(): - generate_sg_localdb(category, list_type, 'default', proxy) + if dict_search(f'url_filtering.squidguard', proxy) is not None: + squidgard_config_section = proxy['url_filtering']['squidguard'] + + for category, list_type in cat_dict.items(): + generate_sg_rule_localdb(category, list_type, 'default', proxy) + check_blacklist_categorydb(squidgard_config_section) + + if 'rule' in squidgard_config_section: + for rule in squidgard_config_section['rule']: + rule_config_section = squidgard_config_section['rule'][ + rule] + for category, list_type in cat_dict.items(): + generate_sg_rule_localdb(category, list_type, rule, proxy) + check_blacklist_categorydb(rule_config_section) return None + def apply(proxy): if not proxy: # proxy is removed in the commit @@ -195,9 +246,10 @@ def apply(proxy): if os.path.exists(squidguard_db_dir): chmod_755(squidguard_db_dir) - call('systemctl restart squid.service') + call('systemctl reload-or-restart squid.service') return None + if __name__ == '__main__': try: c = get_config() diff --git a/src/conf_mode/snmp.py b/src/conf_mode/snmp.py index 5cd24db32..ab2ccf99e 100755 --- a/src/conf_mode/snmp.py +++ b/src/conf_mode/snmp.py @@ -40,7 +40,7 @@ config_file_client = r'/etc/snmp/snmp.conf' config_file_daemon = r'/etc/snmp/snmpd.conf' config_file_access = r'/usr/share/snmp/snmpd.conf' config_file_user = r'/var/lib/snmp/snmpd.conf' -systemd_override = r'/etc/systemd/system/snmpd.service.d/override.conf' +systemd_override = r'/run/systemd/system/snmpd.service.d/override.conf' systemd_service = 'snmpd.service' def get_config(config=None): @@ -166,6 +166,10 @@ def verify(snmp): if 'community' not in trap_config: raise ConfigError(f'Trap target "{trap}" requires a community to be set!') + if 'oid_enable' in snmp: + Warning(f'Custom OIDs are enabled and may lead to system instability and high resource consumption') + + verify_vrf(snmp) # bail out early if SNMP v3 is not configured diff --git a/src/conf_mode/ssh.py b/src/conf_mode/ssh.py index 8746cc701..8de0617af 100755 --- a/src/conf_mode/ssh.py +++ b/src/conf_mode/ssh.py @@ -32,7 +32,7 @@ from vyos import airbag airbag.enable() config_file = r'/run/sshd/sshd_config' -systemd_override = r'/etc/systemd/system/ssh.service.d/override.conf' +systemd_override = r'/run/systemd/system/ssh.service.d/override.conf' sshguard_config_file = '/etc/sshguard/sshguard.conf' sshguard_whitelist = '/etc/sshguard/whitelist' diff --git a/src/conf_mode/system-option.py b/src/conf_mode/system-option.py index 36dbf155b..e6c7a0ed2 100755 --- a/src/conf_mode/system-option.py +++ b/src/conf_mode/system-option.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019-2020 VyOS maintainers and contributors +# Copyright (C) 2019-2022 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 @@ -22,17 +22,19 @@ from time import sleep from vyos.config import Config from vyos.configdict import dict_merge +from vyos.configverify import verify_source_interface from vyos.template import render from vyos.util import cmd from vyos.util import is_systemd_service_running from vyos.validate import is_addr_assigned +from vyos.validate import is_intf_addr_assigned from vyos.xml import defaults from vyos import ConfigError from vyos import airbag airbag.enable() curlrc_config = r'/etc/curlrc' -ssh_config = r'/etc/ssh/ssh_config' +ssh_config = r'/etc/ssh/ssh_config.d/91-vyos-ssh-client-options.conf' systemd_action_file = '/lib/systemd/system/ctrl-alt-del.target' def get_config(config=None): @@ -68,8 +70,17 @@ def verify(options): if 'ssh_client' in options: config = options['ssh_client'] if 'source_address' in config: + address = config['source_address'] if not is_addr_assigned(config['source_address']): - raise ConfigError('No interface with give address specified!') + raise ConfigError('No interface with address "{address}" configured!') + + if 'source_interface' in config: + verify_source_interface(config) + if 'source_address' in config: + address = config['source_address'] + interface = config['source_interface'] + if not is_intf_addr_assigned(interface, address): + raise ConfigError(f'Address "{address}" not assigned on interface "{interface}"!') return None diff --git a/src/conf_mode/vpn_ipsec.py b/src/conf_mode/vpn_ipsec.py index 77a425f8b..ce4f13d27 100755 --- a/src/conf_mode/vpn_ipsec.py +++ b/src/conf_mode/vpn_ipsec.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2021-2022 VyOS maintainers and contributors +# Copyright (C) 2021-2023 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 @@ -17,11 +17,13 @@ import ipaddress import os import re +import jmespath 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 @@ -94,6 +96,7 @@ def get_config(config=None): del default_values['esp_group'] del default_values['ike_group'] del default_values['remote_access'] + del default_values['site_to_site'] ipsec = dict_merge(default_values, ipsec) if 'esp_group' in ipsec: @@ -117,18 +120,39 @@ 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, ipsec['remote_access']['radius']['server'][server]) + # 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('site_to_site.peer', ipsec): + default_values = defaults(base + ['site-to-site', 'peer']) + for peer in ipsec['site_to_site']['peer']: + ipsec['site_to_site']['peer'][peer] = dict_merge(default_values, + ipsec['site_to_site']['peer'][peer]) + 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']) @@ -196,6 +220,12 @@ def verify(ipsec): if not ipsec: return None + if 'authentication' in ipsec: + if 'psk' in ipsec['authentication']: + for psk, psk_config in ipsec['authentication']['psk'].items(): + if 'id' not in psk_config or 'secret' not in psk_config: + raise ConfigError(f'Authentication psk "{psk}" missing "id" or "secret"') + if 'interfaces' in ipsec : for ifname in ipsec['interface']: verify_interface_exists(ifname) @@ -425,6 +455,10 @@ 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}'): @@ -575,6 +609,14 @@ def generate(ipsec): ipsec['site_to_site']['peer'][peer]['tunnel'][tunnel]['passthrough'] = passthrough + # auth psk <tag> dhcp-interface <xxx> + if jmespath.search('authentication.psk.*.dhcp_interface', ipsec): + for psk, psk_config in ipsec['authentication']['psk'].items(): + if 'dhcp_interface' in psk_config: + for iface in psk_config['dhcp_interface']: + id = get_dhcp_address(iface) + if id: + ipsec['authentication']['psk'][psk]['id'].append(id) render(ipsec_conf, 'ipsec/ipsec.conf.j2', ipsec) render(ipsec_secrets, 'ipsec/ipsec.secrets.j2', ipsec) diff --git a/src/conf_mode/vpn_l2tp.py b/src/conf_mode/vpn_l2tp.py index fd5a4acd8..65623c2b1 100755 --- a/src/conf_mode/vpn_l2tp.py +++ b/src/conf_mode/vpn_l2tp.py @@ -26,7 +26,10 @@ from ipaddress import ip_network from vyos.config import Config from vyos.template import is_ipv4 from vyos.template import render -from vyos.util import call, get_half_cpus +from vyos.util import call +from vyos.util import get_half_cpus +from vyos.util import check_port_availability +from vyos.util import is_listen_port_bind_service from vyos import ConfigError from vyos import airbag @@ -43,6 +46,7 @@ default_config_data = { 'client_ip_pool': None, 'client_ip_subnets': [], 'client_ipv6_pool': [], + 'client_ipv6_pool_configured': False, 'client_ipv6_delegate_prefix': [], 'dnsv4': [], 'dnsv6': [], @@ -54,6 +58,9 @@ default_config_data = { 'ppp_echo_failure' : '3', 'ppp_echo_interval' : '30', 'ppp_echo_timeout': '0', + 'ppp_ipv6_accept_peer_intf_id': False, + 'ppp_ipv6_intf_id': None, + 'ppp_ipv6_peer_intf_id': None, 'radius_server': [], 'radius_acct_inter_jitter': '', 'radius_acct_tmo': '3', @@ -64,7 +71,7 @@ default_config_data = { 'radius_source_address': '', 'radius_shaper_attr': '', 'radius_shaper_vendor': '', - 'radius_dynamic_author': '', + 'radius_dynamic_author': {}, 'wins': [], 'ip6_column': [], 'thread_cnt': get_half_cpus() @@ -205,21 +212,21 @@ def get_config(config=None): l2tp['radius_source_address'] = conf.return_value(['source-address']) # Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA) - if conf.exists(['dynamic-author']): + if conf.exists(['dae-server']): dae = { 'port' : '', 'server' : '', 'key' : '' } - if conf.exists(['dynamic-author', 'server']): - dae['server'] = conf.return_value(['dynamic-author', 'server']) + if conf.exists(['dae-server', 'ip-address']): + dae['server'] = conf.return_value(['dae-server', 'ip-address']) - if conf.exists(['dynamic-author', 'port']): - dae['port'] = conf.return_value(['dynamic-author', 'port']) + if conf.exists(['dae-server', 'port']): + dae['port'] = conf.return_value(['dae-server', 'port']) - if conf.exists(['dynamic-author', 'key']): - dae['key'] = conf.return_value(['dynamic-author', 'key']) + if conf.exists(['dae-server', 'secret']): + dae['key'] = conf.return_value(['dae-server', 'secret']) l2tp['radius_dynamic_author'] = dae @@ -244,6 +251,7 @@ def get_config(config=None): l2tp['client_ip_subnets'] = conf.return_values(['client-ip-pool', 'subnet']) if conf.exists(['client-ipv6-pool', 'prefix']): + l2tp['client_ipv6_pool_configured'] = True l2tp['ip6_column'].append('ip6') for prefix in conf.list_nodes(['client-ipv6-pool', 'prefix']): tmp = { @@ -306,6 +314,18 @@ def get_config(config=None): if conf.exists(['ppp-options', 'lcp-echo-interval']): l2tp['ppp_echo_interval'] = conf.return_value(['ppp-options', 'lcp-echo-interval']) + if conf.exists(['ppp-options', 'ipv6']): + l2tp['ppp_ipv6'] = conf.return_value(['ppp-options', 'ipv6']) + + if conf.exists(['ppp-options', 'ipv6-accept-peer-intf-id']): + l2tp['ppp_ipv6_accept_peer_intf_id'] = True + + if conf.exists(['ppp-options', 'ipv6-intf-id']): + l2tp['ppp_ipv6_intf_id'] = conf.return_value(['ppp-options', 'ipv6-intf-id']) + + if conf.exists(['ppp-options', 'ipv6-peer-intf-id']): + l2tp['ppp_ipv6_peer_intf_id'] = conf.return_value(['ppp-options', 'ipv6-peer-intf-id']) + return l2tp @@ -329,6 +349,19 @@ def verify(l2tp): if not radius['key']: raise ConfigError(f"Missing RADIUS secret for server { radius['key'] }") + if l2tp['radius_dynamic_author']: + if not l2tp['radius_dynamic_author']['server']: + raise ConfigError("Missing ip-address for dae-server") + if not l2tp['radius_dynamic_author']['key']: + raise ConfigError("Missing secret for dae-server") + address = l2tp['radius_dynamic_author']['server'] + port = l2tp['radius_dynamic_author']['port'] + proto = 'tcp' + # check if dae listen port is not used by another service + if check_port_availability(address, int(port), proto) is not True and \ + not is_listen_port_bind_service(int(port), 'accel-pppd'): + raise ConfigError(f'"{proto}" port "{port}" is used by another service') + # check for the existence of a client ip pool if not (l2tp['client_ip_pool'] or l2tp['client_ip_subnets']): raise ConfigError( diff --git a/src/conf_mode/vpn_openconnect.py b/src/conf_mode/vpn_openconnect.py index c050b796b..63ffe2a41 100755 --- a/src/conf_mode/vpn_openconnect.py +++ b/src/conf_mode/vpn_openconnect.py @@ -46,6 +46,65 @@ radius_servers = cfg_dir + '/radius_servers' def get_hash(password): return crypt(password, mksalt(METHOD_SHA512)) + +def T2665_default_dict_cleanup(origin: dict, default_values: dict) -> dict: + """ + https://phabricator.vyos.net/T2665 + Clear unnecessary key values in merged config by dict_merge function + :param origin: config + :type origin: dict + :param default_values: default values + :type default_values: dict + :return: merged dict + :rtype: dict + """ + if 'mode' in origin["authentication"] and "local" in \ + origin["authentication"]["mode"]: + del origin['authentication']['local_users']['username']['otp'] + if not origin["authentication"]["local_users"]["username"]: + raise ConfigError( + 'Openconnect mode local required at least one user') + default_ocserv_usr_values = \ + default_values['authentication']['local_users']['username']['otp'] + for user, params in origin['authentication']['local_users'][ + 'username'].items(): + # Not every configuration requires OTP settings + if origin['authentication']['local_users']['username'][user].get( + 'otp'): + origin['authentication']['local_users']['username'][user][ + 'otp'] = dict_merge(default_ocserv_usr_values, + origin['authentication'][ + 'local_users']['username'][user][ + 'otp']) + + if 'mode' in origin["authentication"] and "radius" in \ + origin["authentication"]["mode"]: + del origin['authentication']['radius']['server']['port'] + if not origin["authentication"]['radius']['server']: + raise ConfigError( + 'Openconnect authentication mode radius required at least one radius server') + default_values_radius_port = \ + default_values['authentication']['radius']['server']['port'] + for server, params in origin['authentication']['radius'][ + 'server'].items(): + if 'port' not in params: + params['port'] = default_values_radius_port + + if 'mode' in origin["accounting"] and "radius" in \ + origin["accounting"]["mode"]: + del origin['accounting']['radius']['server']['port'] + if not origin["accounting"]['radius']['server']: + raise ConfigError( + 'Openconnect accounting mode radius required at least one radius server') + default_values_radius_port = \ + default_values['accounting']['radius']['server']['port'] + for server, params in origin['accounting']['radius'][ + 'server'].items(): + if 'port' not in params: + params['port'] = default_values_radius_port + return origin + + def get_config(): conf = Config() base = ['vpn', 'openconnect'] @@ -57,18 +116,8 @@ def get_config(): # options which we need to update into the dictionary retrived. default_values = defaults(base) ocserv = dict_merge(default_values, ocserv) - - if "local" in ocserv["authentication"]["mode"]: - # workaround a "know limitation" - https://phabricator.vyos.net/T2665 - del ocserv['authentication']['local_users']['username']['otp'] - if not ocserv["authentication"]["local_users"]["username"]: - raise ConfigError('openconnect mode local required at least one user') - default_ocserv_usr_values = default_values['authentication']['local_users']['username']['otp'] - for user, params in ocserv['authentication']['local_users']['username'].items(): - # Not every configuration requires OTP settings - if ocserv['authentication']['local_users']['username'][user].get('otp'): - ocserv['authentication']['local_users']['username'][user]['otp'] = dict_merge(default_ocserv_usr_values, ocserv['authentication']['local_users']['username'][user]['otp']) - + # workaround a "know limitation" - https://phabricator.vyos.net/T2665 + ocserv = T2665_default_dict_cleanup(ocserv, default_values) if ocserv: ocserv['pki'] = conf.get_config_dict(['pki'], key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) @@ -85,6 +134,14 @@ def verify(ocserv): not is_listen_port_bind_service(int(port), 'ocserv-main'): raise ConfigError(f'"{proto}" port "{port}" is used by another service') + # Check accounting + if "accounting" in ocserv: + if "mode" in ocserv["accounting"] and "radius" in ocserv["accounting"]["mode"]: + if "authentication" not in ocserv or "mode" not in ocserv["authentication"]: + raise ConfigError('Accounting depends on OpenConnect authentication configuration') + elif "radius" not in ocserv["authentication"]["mode"]: + raise ConfigError('RADIUS accounting must be used with RADIUS authentication') + # Check authentication if "authentication" in ocserv: if "mode" in ocserv["authentication"]: @@ -157,7 +214,7 @@ def verify(ocserv): ocserv["network_settings"]["push_route"].remove("0.0.0.0/0") ocserv["network_settings"]["push_route"].append("default") else: - ocserv["network_settings"]["push_route"] = "default" + ocserv["network_settings"]["push_route"] = ["default"] else: raise ConfigError('openconnect network settings required') @@ -166,10 +223,18 @@ def generate(ocserv): return None if "radius" in ocserv["authentication"]["mode"]: - # Render radius client configuration - render(radius_cfg, 'ocserv/radius_conf.j2', ocserv["authentication"]["radius"]) - # Render radius servers - render(radius_servers, 'ocserv/radius_servers.j2', ocserv["authentication"]["radius"]) + if dict_search(ocserv, 'accounting.mode.radius'): + # Render radius client configuration + render(radius_cfg, 'ocserv/radius_conf.j2', ocserv) + merged_servers = ocserv["accounting"]["radius"]["server"] | ocserv["authentication"]["radius"]["server"] + # Render radius servers + # Merge the accounting and authentication servers into a single dictionary + render(radius_servers, 'ocserv/radius_servers.j2', {'server': merged_servers}) + else: + # Render radius client configuration + render(radius_cfg, 'ocserv/radius_conf.j2', ocserv) + # Render radius servers + render(radius_servers, 'ocserv/radius_servers.j2', ocserv["authentication"]["radius"]) elif "local" in ocserv["authentication"]["mode"]: # if mode "OTP", generate OTP users file parameters if "otp" in ocserv["authentication"]["mode"]["local"]: @@ -247,7 +312,7 @@ def apply(ocserv): if os.path.exists(file): os.unlink(file) else: - call('systemctl restart ocserv.service') + call('systemctl reload-or-restart ocserv.service') counter = 0 while True: # exit early when service runs diff --git a/src/conf_mode/vrf.py b/src/conf_mode/vrf.py index 1b4156895..c17cca3bd 100755 --- a/src/conf_mode/vrf.py +++ b/src/conf_mode/vrf.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 @@ -140,11 +140,9 @@ def verify(vrf): def generate(vrf): - render(config_file, 'vrf/vrf.conf.j2', vrf) + render(config_file, 'iproute2/vrf.conf.j2', vrf) # Render nftables zones config - render(nft_vrf_config, 'firewall/nftables-vrf-zones.j2', vrf) - return None |