diff options
Diffstat (limited to 'src/conf_mode/nat.py')
| -rwxr-xr-x | src/conf_mode/nat.py | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index 52a7a71fd..26822b755 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -69,6 +69,10 @@ def get_config(config=None): nat['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) + # Remove dynamic firewall groups if present: + if 'dynamic_group' in nat['firewall_group']: + del nat['firewall_group']['dynamic_group'] + return nat def verify_rule(config, err_msg, groups_dict): @@ -80,15 +84,8 @@ def verify_rule(config, err_msg, groups_dict): dict_search('source.port', config)): if config['protocol'] not in ['tcp', 'udp', 'tcp_udp']: - raise ConfigError(f'{err_msg}\n' \ - 'ports can only be specified when protocol is '\ - 'either tcp, udp or tcp_udp!') - - if is_ip_network(dict_search('translation.address', config)): - raise ConfigError(f'{err_msg}\n' \ - 'Cannot use ports with an IPv4 network as translation address as it\n' \ - 'statically maps a whole network of addresses onto another\n' \ - 'network of addresses') + raise ConfigError(f'{err_msg} ports can only be specified when '\ + 'protocol is either tcp, udp or tcp_udp!') for side in ['destination', 'source']: if side in config: @@ -151,8 +148,11 @@ def verify(nat): err_msg = f'Source NAT configuration error in rule {rule}:' if 'outbound_interface' in config: - 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 'name' in config['outbound_interface'] and 'group' in config['outbound_interface']: + raise ConfigError(f'{err_msg} cannot specify both interface group and interface name for nat source rule "{rule}"') + elif 'name' in config['outbound_interface']: + if config['outbound_interface']['name'] not in 'any' and config['outbound_interface']['name'] not in interfaces(): + Warning(f'NAT interface "{config["outbound_interface"]["name"]}" for source NAT rule "{rule}" does not exist!') if not dict_search('translation.address', config) and not dict_search('translation.port', config): if 'exclude' not in config and 'backend' not in config['load_balance']: @@ -172,8 +172,11 @@ def verify(nat): err_msg = f'Destination NAT configuration error in rule {rule}:' if 'inbound_interface' in config: - if 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 'name' in config['inbound_interface'] and 'group' in config['inbound_interface']: + raise ConfigError(f'{err_msg} cannot specify both interface group and interface name for destination nat rule "{rule}"') + elif 'name' in config['inbound_interface']: + if config['inbound_interface']['name'] not in 'any' and config['inbound_interface']['name'] not in interfaces(): + Warning(f'NAT interface "{config["inbound_interface"]["name"]}" for destination NAT rule "{rule}" does not exist!') if not dict_search('translation.address', config) and not dict_search('translation.port', config) and 'redirect' not in config['translation']: if 'exclude' not in config and 'backend' not in config['load_balance']: @@ -187,8 +190,7 @@ def verify(nat): 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') + raise ConfigError(f'{err_msg} inbound-interface not specified') # common rule verification verify_rule(config, err_msg, nat['firewall_group']) |