diff options
Diffstat (limited to 'src/conf_mode/nat.py')
| -rwxr-xr-x | src/conf_mode/nat.py | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index 9da7fbe80..ffd4a33e7 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -75,15 +75,8 @@ 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: @@ -195,11 +188,13 @@ def verify(nat): if dict_search('source.rule', nat): for rule, config in dict_search('source.rule', nat).items(): err_msg = f'Source NAT configuration error in rule {rule}:' - if 'outbound_interface' not in config: - raise ConfigError(f'{err_msg} outbound-interface not specified') - 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 'outbound_interface' in config: + 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']: @@ -218,11 +213,12 @@ def verify(nat): for rule, config in dict_search('destination.rule', nat).items(): err_msg = f'Destination NAT configuration error in rule {rule}:' - if 'inbound_interface' not in config: - raise ConfigError(f'{err_msg}\n' \ - 'inbound-interface not specified') - 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 'inbound_interface' in config: + 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']: @@ -236,8 +232,7 @@ 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']) |