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-rwxr-xr-xsrc/conf_mode/policy-route-interface.py132
-rwxr-xr-xsrc/conf_mode/policy-route.py106
-rwxr-xr-xsrc/conf_mode/vpn_ipsec.py5
3 files changed, 8 insertions, 235 deletions
diff --git a/src/conf_mode/policy-route-interface.py b/src/conf_mode/policy-route-interface.py
deleted file mode 100755
index 58c5fd93d..000000000
--- a/src/conf_mode/policy-route-interface.py
+++ /dev/null
@@ -1,132 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2021 VyOS maintainers and contributors
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 or later as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-import os
-import re
-
-from sys import argv
-from sys import exit
-
-from vyos.config import Config
-from vyos.ifconfig import Section
-from vyos.template import render
-from vyos.util import cmd
-from vyos.util import run
-from vyos import ConfigError
-from vyos import airbag
-airbag.enable()
-
-def get_config(config=None):
- if config:
- conf = config
- else:
- conf = Config()
-
- ifname = argv[1]
- ifpath = Section.get_config_path(ifname)
- if_policy_path = f'interfaces {ifpath} policy'
-
- if_policy = conf.get_config_dict(if_policy_path, key_mangling=('-', '_'), get_first_key=True,
- no_tag_node_value_mangle=True)
-
- if_policy['ifname'] = ifname
- if_policy['policy'] = conf.get_config_dict(['policy'], key_mangling=('-', '_'), get_first_key=True,
- no_tag_node_value_mangle=True)
-
- return if_policy
-
-def verify_chain(table, chain):
- # Verify policy route applied
- code = run(f'nft list chain {table} {chain}')
- return code == 0
-
-def verify(if_policy):
- # bail out early - looks like removal from running config
- if not if_policy:
- return None
-
- for route in ['route', 'route6']:
- if route in if_policy:
- if route not in if_policy['policy']:
- raise ConfigError('Policy route not configured')
-
- route_name = if_policy[route]
-
- if route_name not in if_policy['policy'][route]:
- raise ConfigError(f'Invalid policy route name "{name}"')
-
- nft_prefix = 'VYOS_PBR6_' if route == 'route6' else 'VYOS_PBR_'
- nft_table = 'ip6 mangle' if route == 'route6' else 'ip mangle'
-
- if not verify_chain(nft_table, nft_prefix + route_name):
- raise ConfigError('Policy route did not apply')
-
- return None
-
-def generate(if_policy):
- return None
-
-def cleanup_rule(table, chain, ifname, new_name=None):
- results = cmd(f'nft -a list chain {table} {chain}').split("\n")
- retval = None
- for line in results:
- if f'ifname "{ifname}"' in line:
- if new_name and f'jump {new_name}' in line:
- # new_name is used to clear rules for any previously referenced chains
- # returns true when rule exists and doesn't need to be created
- retval = True
- continue
-
- handle_search = re.search('handle (\d+)', line)
- if handle_search:
- cmd(f'nft delete rule {table} {chain} handle {handle_search[1]}')
- return retval
-
-def apply(if_policy):
- ifname = if_policy['ifname']
-
- route_chain = 'VYOS_PBR_PREROUTING'
- ipv6_route_chain = 'VYOS_PBR6_PREROUTING'
-
- if 'route' in if_policy:
- name = 'VYOS_PBR_' + if_policy['route']
- rule_exists = cleanup_rule('ip mangle', route_chain, ifname, name)
-
- if not rule_exists:
- cmd(f'nft insert rule ip mangle {route_chain} iifname {ifname} counter jump {name}')
- else:
- cleanup_rule('ip mangle', route_chain, ifname)
-
- if 'route6' in if_policy:
- name = 'VYOS_PBR6_' + if_policy['route6']
- rule_exists = cleanup_rule('ip6 mangle', ipv6_route_chain, ifname, name)
-
- if not rule_exists:
- cmd(f'nft insert rule ip6 mangle {ipv6_route_chain} iifname {ifname} counter jump {name}')
- else:
- cleanup_rule('ip6 mangle', ipv6_route_chain, ifname)
-
- return None
-
-if __name__ == '__main__':
- try:
- c = get_config()
- verify(c)
- generate(c)
- apply(c)
- except ConfigError as e:
- print(e)
- exit(1)
diff --git a/src/conf_mode/policy-route.py b/src/conf_mode/policy-route.py
index 00539b9c7..1d016695e 100755
--- a/src/conf_mode/policy-route.py
+++ b/src/conf_mode/policy-route.py
@@ -15,7 +15,6 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
-import re
from json import loads
from sys import exit
@@ -25,7 +24,6 @@ from vyos.config import Config
from vyos.template import render
from vyos.util import cmd
from vyos.util import dict_search_args
-from vyos.util import dict_search_recursive
from vyos.util import run
from vyos import ConfigError
from vyos import airbag
@@ -34,48 +32,13 @@ airbag.enable()
mark_offset = 0x7FFFFFFF
nftables_conf = '/run/nftables_policy.conf'
-ROUTE_PREFIX = 'VYOS_PBR_'
-ROUTE6_PREFIX = 'VYOS_PBR6_'
-
-preserve_chains = [
- 'VYOS_PBR_PREROUTING',
- 'VYOS_PBR_POSTROUTING',
- 'VYOS_PBR6_PREROUTING',
- 'VYOS_PBR6_POSTROUTING'
-]
-
valid_groups = [
'address_group',
+ 'domain_group',
'network_group',
'port_group'
]
-group_set_prefix = {
- 'A_': 'address_group',
- 'A6_': 'ipv6_address_group',
-# 'D_': 'domain_group',
- 'M_': 'mac_group',
- 'N_': 'network_group',
- 'N6_': 'ipv6_network_group',
- 'P_': 'port_group'
-}
-
-def get_policy_interfaces(conf):
- out = {}
- interfaces = conf.get_config_dict(['interfaces'], key_mangling=('-', '_'), get_first_key=True,
- no_tag_node_value_mangle=True)
- def find_interfaces(iftype_conf, output={}, prefix=''):
- for ifname, if_conf in iftype_conf.items():
- if 'policy' in if_conf:
- output[prefix + ifname] = if_conf['policy']
- for vif in ['vif', 'vif_s', 'vif_c']:
- if vif in if_conf:
- output.update(find_interfaces(if_conf[vif], output, f'{prefix}{ifname}.'))
- return output
- for iftype, iftype_conf in interfaces.items():
- out.update(find_interfaces(iftype_conf))
- return out
-
def get_config(config=None):
if config:
conf = config
@@ -88,7 +51,6 @@ def get_config(config=None):
policy['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True,
no_tag_node_value_mangle=True)
- policy['interfaces'] = get_policy_interfaces(conf)
return policy
@@ -132,8 +94,8 @@ def verify_rule(policy, name, rule_conf, ipv6, rule_id):
side_conf = rule_conf[side]
if 'group' in side_conf:
- if {'address_group', 'network_group'} <= set(side_conf['group']):
- raise ConfigError('Only one address-group or network-group can be specified')
+ if len({'address_group', 'domain_group', 'network_group'} & set(side_conf['group'])) > 1:
+ raise ConfigError('Only one address-group, domain-group or network-group can be specified')
for group in valid_groups:
if group in side_conf['group']:
@@ -168,73 +130,11 @@ def verify(policy):
for rule_id, rule_conf in pol_conf['rule'].items():
verify_rule(policy, name, rule_conf, ipv6, rule_id)
- for ifname, if_policy in policy['interfaces'].items():
- name = dict_search_args(if_policy, 'route')
- ipv6_name = dict_search_args(if_policy, 'route6')
-
- if name and not dict_search_args(policy, 'route', name):
- raise ConfigError(f'Policy route "{name}" is still referenced on interface {ifname}')
-
- if ipv6_name and not dict_search_args(policy, 'route6', ipv6_name):
- raise ConfigError(f'Policy route6 "{ipv6_name}" is still referenced on interface {ifname}')
-
return None
-def cleanup_commands(policy):
- commands = []
- commands_chains = []
- commands_sets = []
- for table in ['ip mangle', 'ip6 mangle']:
- route_node = 'route' if table == 'ip mangle' else 'route6'
- chain_prefix = ROUTE_PREFIX if table == 'ip mangle' else ROUTE6_PREFIX
-
- json_str = cmd(f'nft -t -j list table {table}')
- obj = loads(json_str)
- if 'nftables' not in obj:
- continue
- for item in obj['nftables']:
- if 'chain' in item:
- chain = item['chain']['name']
- if chain in preserve_chains or not chain.startswith("VYOS_PBR"):
- continue
-
- if dict_search_args(policy, route_node, chain.replace(chain_prefix, "", 1)) != None:
- commands.append(f'flush chain {table} {chain}')
- else:
- commands_chains.append(f'delete chain {table} {chain}')
-
- if 'rule' in item:
- rule = item['rule']
- chain = rule['chain']
- handle = rule['handle']
-
- if chain not in preserve_chains:
- continue
-
- target, _ = next(dict_search_recursive(rule['expr'], 'target'))
-
- if target.startswith(chain_prefix):
- if dict_search_args(policy, route_node, target.replace(chain_prefix, "", 1)) == None:
- commands.append(f'delete rule {table} {chain} handle {handle}')
-
- if 'set' in item:
- set_name = item['set']['name']
-
- for prefix, group_type in group_set_prefix.items():
- if set_name.startswith(prefix):
- group_name = set_name.replace(prefix, "", 1)
- if dict_search_args(policy, 'firewall_group', group_type, group_name) != None:
- commands_sets.append(f'flush set {table} {set_name}')
- else:
- commands_sets.append(f'delete set {table} {set_name}')
-
- return commands + commands_chains + commands_sets
-
def generate(policy):
if not os.path.exists(nftables_conf):
policy['first_install'] = True
- else:
- policy['cleanup_commands'] = cleanup_commands(policy)
render(nftables_conf, 'firewall/nftables-policy.j2', policy)
return None
diff --git a/src/conf_mode/vpn_ipsec.py b/src/conf_mode/vpn_ipsec.py
index cfefcfbe8..b79e9847a 100755
--- a/src/conf_mode/vpn_ipsec.py
+++ b/src/conf_mode/vpn_ipsec.py
@@ -22,6 +22,7 @@ from sys import exit
from time import sleep
from time import time
+from vyos.base import Warning
from vyos.config import Config
from vyos.configdict import leaf_node_changed
from vyos.configverify import verify_interface_exists
@@ -438,6 +439,10 @@ def verify(ipsec):
if 'local_address' in peer_conf and 'dhcp_interface' in peer_conf:
raise ConfigError(f"A single local-address or dhcp-interface is required when using VTI on site-to-site peer {peer}")
+ if dict_search('options.disable_route_autoinstall',
+ ipsec) == None:
+ Warning('It\'s recommended to use ipsec vty with the next command\n[set vpn ipsec option disable-route-autoinstall]')
+
if 'bind' in peer_conf['vti']:
vti_interface = peer_conf['vti']['bind']
if not os.path.exists(f'/sys/class/net/{vti_interface}'):
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 16:18:23 +0000