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-rwxr-xr-xsrc/conf_mode/firewall.py31
1 files changed, 16 insertions, 15 deletions
diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py
index ee19555c4..acb7dfa41 100755
--- a/src/conf_mode/firewall.py
+++ b/src/conf_mode/firewall.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
@@ -39,6 +39,7 @@ from vyos.utils.process import process_named_running
from vyos.utils.process import rc_cmd
from vyos import ConfigError
from vyos import airbag
+
airbag.enable()
nftables_conf = '/run/nftables.conf'
@@ -98,7 +99,7 @@ def geoip_updated(conf, firewall):
elif (path[0] == 'ipv6'):
set_name = f'GEOIP_CC6_{path[1]}_{path[2]}_{path[4]}'
out['ipv6_name'].append(set_name)
-
+
updated = True
if 'delete' in node_diff:
@@ -138,6 +139,8 @@ def get_config(config=None):
fqdn_config_parse(firewall)
+ set_dependents('conntrack', conf)
+
return firewall
def verify_rule(firewall, rule_conf, ipv6):
@@ -167,6 +170,16 @@ def verify_rule(firewall, rule_conf, ipv6):
if not dict_search_args(firewall, 'flowtable', offload_target):
raise ConfigError(f'Invalid offload-target. Flowtable "{offload_target}" does not exist on the system')
+ if rule_conf['action'] != 'synproxy' and 'synproxy' in rule_conf:
+ raise ConfigError('"synproxy" option allowed only for action synproxy')
+ if rule_conf['action'] == 'synproxy':
+ if 'state' in rule_conf:
+ raise ConfigError('For action "synproxy" state cannot be defined')
+ if not rule_conf.get('synproxy', {}).get('tcp'):
+ raise ConfigError('synproxy TCP MSS is not defined')
+ if rule_conf.get('protocol', {}) != 'tcp':
+ raise ConfigError('For action "synproxy" the protocol must be set to TCP')
+
if 'queue_options' in rule_conf:
if 'queue' not in rule_conf['action']:
raise ConfigError('queue-options defined, but action queue needed and it is not defined')
@@ -434,17 +447,6 @@ def generate(firewall):
if local_zone in zone_conf['from']:
local_zone_conf['from_local'][zone] = zone_conf['from'][local_zone]
- # Determine if conntrack is needed
- firewall['ipv4_conntrack_action'] = 'return'
- firewall['ipv6_conntrack_action'] = 'return'
-
- for rules, path in dict_search_recursive(firewall, 'rule'):
- if any(('state' in rule_conf or 'connection_status' in rule_conf) for rule_conf in rules.values()):
- if path[0] == 'ipv4':
- firewall['ipv4_conntrack_action'] = 'accept'
- elif path[0] == 'ipv6':
- firewall['ipv6_conntrack_action'] = 'accept'
-
render(nftables_conf, 'firewall/nftables.j2', firewall)
return None
@@ -474,8 +476,7 @@ def apply(firewall):
apply_sysfs(firewall)
- if firewall['group_resync']:
- call_dependents()
+ call_dependents()
# T970 Enable a resolver (systemd daemon) that checks
# domain-group/fqdn addresses and update entries for domains by timeout