diff options
Diffstat (limited to 'src/conf_mode')
| -rwxr-xr-x | src/conf_mode/firewall.py | 30 | ||||
| -rwxr-xr-x | src/conf_mode/high-availability.py | 21 | ||||
| -rwxr-xr-x | src/conf_mode/interfaces-pseudo-ethernet.py | 28 | ||||
| -rwxr-xr-x | src/conf_mode/nat.py | 24 | ||||
| -rwxr-xr-x | src/conf_mode/system_console.py | 27 |
5 files changed, 90 insertions, 40 deletions
diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py index 07eca722f..f0ea1a1e5 100755 --- a/src/conf_mode/firewall.py +++ b/src/conf_mode/firewall.py @@ -206,9 +206,31 @@ def get_config(config=None): firewall = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) + # We have gathered the dict representation of the CLI, but there are + # default options which we need to update into the dictionary retrived. + # XXX: T2665: we currently have no nice way for defaults under tag + # nodes, thus we load the defaults "by hand" default_values = defaults(base) + for tmp in ['name', 'ipv6_name']: + if tmp in default_values: + del default_values[tmp] + firewall = dict_merge(default_values, firewall) + # Merge in defaults for IPv4 ruleset + if 'name' in firewall: + default_values = defaults(base + ['name']) + for name in firewall['name']: + firewall['name'][name] = dict_merge(default_values, + firewall['name'][name]) + + # Merge in defaults for IPv6 ruleset + if 'ipv6_name' in firewall: + default_values = defaults(base + ['ipv6-name']) + for ipv6_name in firewall['ipv6_name']: + firewall['ipv6_name'][ipv6_name] = dict_merge(default_values, + firewall['ipv6_name'][ipv6_name]) + firewall['policy_resync'] = bool('group' in firewall or node_changed(conf, base + ['group'])) firewall['interfaces'] = get_firewall_interfaces(conf) firewall['zone_policy'] = get_firewall_zones(conf) @@ -315,7 +337,7 @@ 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]: @@ -378,7 +400,7 @@ def cleanup_commands(firewall): if firewall['geoip_updated']: geoip_key = 'deleted_ipv6_name' if table == 'ip6 filter' else 'deleted_name' geoip_list = dict_search_args(firewall, 'geoip_updated', geoip_key) or [] - + json_str = cmd(f'nft -t -j list table {table}') obj = loads(json_str) @@ -420,7 +442,7 @@ def cleanup_commands(firewall): if set_name.startswith('GEOIP_CC_') and set_name in geoip_list: commands_sets.append(f'delete set {table} {set_name}') continue - + if set_name.startswith("RECENT_"): commands_sets.append(f'delete set {table} {set_name}') continue @@ -520,7 +542,7 @@ def apply(firewall): if install_result == 1: raise ConfigError('Failed to apply firewall') - # set fireall group domain-group xxx + # set firewall group domain-group xxx if 'group' in firewall: if 'domain_group' in firewall['group']: # T970 Enable a resolver (systemd daemon) that checks diff --git a/src/conf_mode/high-availability.py b/src/conf_mode/high-availability.py index e14050dd3..8a959dc79 100755 --- a/src/conf_mode/high-availability.py +++ b/src/conf_mode/high-availability.py @@ -88,15 +88,12 @@ def verify(ha): if not {'password', 'type'} <= set(group_config['authentication']): raise ConfigError(f'Authentication requires both type and passwortd to be set in VRRP group "{group}"') - # We can not use a VRID once per interface + # Keepalived doesn't allow mixing IPv4 and IPv6 in one group, so we mirror that restriction + # We also need to make sure VRID is not used twice on the same interface with the + # same address family. + interface = group_config['interface'] vrid = group_config['vrid'] - tmp = {'interface': interface, 'vrid': vrid} - if tmp in used_vrid_if: - raise ConfigError(f'VRID "{vrid}" can only be used once on interface "{interface}"!') - used_vrid_if.append(tmp) - - # Keepalived doesn't allow mixing IPv4 and IPv6 in one group, so we mirror that restriction # XXX: filter on map object is destructive, so we force it to list. # Additionally, filter objects always evaluate to True, empty or not, @@ -109,6 +106,11 @@ def verify(ha): raise ConfigError(f'VRRP group "{group}" mixes IPv4 and IPv6 virtual addresses, this is not allowed.\n' \ 'Create individual groups for IPv4 and IPv6!') if vaddrs4: + tmp = {'interface': interface, 'vrid': vrid, 'ipver': 'IPv4'} + if tmp in used_vrid_if: + raise ConfigError(f'VRID "{vrid}" can only be used once on interface "{interface} with address family IPv4"!') + used_vrid_if.append(tmp) + if 'hello_source_address' in group_config: if is_ipv6(group_config['hello_source_address']): raise ConfigError(f'VRRP group "{group}" uses IPv4 but hello-source-address is IPv6!') @@ -118,6 +120,11 @@ def verify(ha): raise ConfigError(f'VRRP group "{group}" uses IPv4 but peer-address is IPv6!') if vaddrs6: + tmp = {'interface': interface, 'vrid': vrid, 'ipver': 'IPv6'} + if tmp in used_vrid_if: + raise ConfigError(f'VRID "{vrid}" can only be used once on interface "{interface} with address family IPv6"!') + used_vrid_if.append(tmp) + if 'hello_source_address' in group_config: if is_ipv4(group_config['hello_source_address']): raise ConfigError(f'VRRP group "{group}" uses IPv6 but hello-source-address is IPv4!') diff --git a/src/conf_mode/interfaces-pseudo-ethernet.py b/src/conf_mode/interfaces-pseudo-ethernet.py index 20f2b1975..4c65bc0b6 100755 --- a/src/conf_mode/interfaces-pseudo-ethernet.py +++ b/src/conf_mode/interfaces-pseudo-ethernet.py @@ -15,11 +15,13 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. from sys import exit +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 is_source_interface +from vyos.configdict import leaf_node_changed from vyos.configverify import verify_vrf from vyos.configverify import verify_address from vyos.configverify import verify_bridge_delete @@ -49,6 +51,9 @@ 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']): + peth.update({'rebuild_required': {}}) + if 'source_interface' in peth: _, peth['parent'] = get_interface_dict(conf, ['interfaces', 'ethernet'], peth['source_interface']) @@ -77,21 +82,18 @@ def generate(peth): return None def apply(peth): - if 'deleted' in peth: - # delete interface - MACVLANIf(peth['ifname']).remove() - return None + # Check if the MACVLAN interface already exists + if 'rebuild_required' in peth or 'deleted' in peth: + if peth['ifname'] in interfaces(): + p = MACVLANIf(peth['ifname']) + # MACVLAN is always needs to be recreated, + # thus we can simply always delete it first. + p.remove() - # Check if MACVLAN interface already exists. Parameters like the underlaying - # source-interface device or mode can not be changed on the fly and the - # interface needs to be recreated from the bottom. - if 'mode_old' in peth: - MACVLANIf(peth['ifname']).remove() + if 'deleted' not in peth: + p = MACVLANIf(**peth) + p.update(peth) - # It is safe to "re-create" the interface always, there is a sanity check - # that the interface will only be create if its non existent - p = MACVLANIf(**peth) - p.update(peth) return None if __name__ == '__main__': diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index 85819a77e..e75418ba5 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -44,7 +44,8 @@ if LooseVersion(kernel_version()) > LooseVersion('5.1'): else: k_mod = ['nft_nat', 'nft_chain_nat_ipv4'] -nftables_nat_config = '/tmp/vyos-nat-rules.nft' +nftables_nat_config = '/run/nftables_nat.conf' +nftables_static_nat_conf = '/run/nftables_static-nat-rules.nft' def get_handler(json, chain, target): """ Get nftable rule handler number of given chain/target combination. @@ -88,7 +89,7 @@ def get_config(config=None): # T2665: we must add the tagNode defaults individually until this is # moved to the base class - for direction in ['source', 'destination']: + for direction in ['source', 'destination', 'static']: if direction in nat: default_values = defaults(base + [direction, 'rule']) for rule in dict_search(f'{direction}.rule', nat) or []: @@ -178,24 +179,35 @@ def verify(nat): # common rule verification verify_rule(config, err_msg) + if dict_search('static.rule', nat): + for rule, config in dict_search('static.rule', nat).items(): + err_msg = f'Static NAT configuration error in rule {rule}:' + + if 'inbound_interface' not in config: + raise ConfigError(f'{err_msg}\n' \ + 'inbound-interface not specified') + + # common rule verification + verify_rule(config, err_msg) + return None def generate(nat): render(nftables_nat_config, 'firewall/nftables-nat.j2', nat) + render(nftables_static_nat_conf, 'firewall/nftables-static-nat.j2', nat) # dry-run newly generated configuration tmp = run(f'nft -c -f {nftables_nat_config}') if tmp > 0: - if os.path.exists(nftables_nat_config): - os.unlink(nftables_nat_config) raise ConfigError('Configuration file errors encountered!') + tmp = run(f'nft -c -f {nftables_nat_config}') + return None def apply(nat): cmd(f'nft -f {nftables_nat_config}') - if os.path.isfile(nftables_nat_config): - os.unlink(nftables_nat_config) + cmd(f'nft -f {nftables_static_nat_conf}') return None diff --git a/src/conf_mode/system_console.py b/src/conf_mode/system_console.py index 86985d765..e922edc4e 100755 --- a/src/conf_mode/system_console.py +++ b/src/conf_mode/system_console.py @@ -16,6 +16,7 @@ import os import re +from pathlib import Path from vyos.config import Config from vyos.configdict import dict_merge @@ -68,18 +69,15 @@ def verify(console): # amount of connected devices. We will resolve the fixed device name # to its dynamic device file - and create a new dict entry for it. by_bus_device = f'{by_bus_dir}/{device}' - if os.path.isdir(by_bus_dir) and os.path.exists(by_bus_device): - device = os.path.basename(os.readlink(by_bus_device)) - - # If the device name still starts with usbXXX no matching tty was found - # and it can not be used as a serial interface - if device.startswith('usb'): - raise ConfigError(f'Device {device} does not support beeing used as tty') + # If the device name still starts with usbXXX no matching tty was found + # and it can not be used as a serial interface + if not os.path.isdir(by_bus_dir) or not os.path.exists(by_bus_device): + raise ConfigError(f'Device {device} does not support beeing used as tty') return None def generate(console): - base_dir = '/etc/systemd/system' + base_dir = '/run/systemd/system' # Remove all serial-getty configuration files in advance for root, dirs, files in os.walk(base_dir): for basename in files: @@ -90,7 +88,8 @@ def generate(console): if not console or 'device' not in console: return None - for device, device_config in console['device'].items(): + # replace keys in the config for ttyUSB items to use them in `apply()` later + for device in console['device'].copy(): if device.startswith('usb'): # It is much easiert to work with the native ttyUSBn name when using # getty, but that name may change across reboots - depending on the @@ -98,9 +97,17 @@ def generate(console): # to its dynamic device file - and create a new dict entry for it. by_bus_device = f'{by_bus_dir}/{device}' if os.path.isdir(by_bus_dir) and os.path.exists(by_bus_device): - device = os.path.basename(os.readlink(by_bus_device)) + device_updated = os.path.basename(os.readlink(by_bus_device)) + + # replace keys in the config to use them in `apply()` later + console['device'][device_updated] = console['device'][device] + del console['device'][device] + else: + raise ConfigError(f'Device {device} does not support beeing used as tty') + for device, device_config in console['device'].items(): config_file = base_dir + f'/serial-getty@{device}.service' + Path(f'{base_dir}/getty.target.wants').mkdir(exist_ok=True) getty_wants_symlink = base_dir + f'/getty.target.wants/serial-getty@{device}.service' render(config_file, 'getty/serial-getty.service.j2', device_config) |