From 3c0634e572ffdecaf24a9dac16678427f22761ab Mon Sep 17 00:00:00 2001 From: Nicolas Fort Date: Tue, 5 Mar 2024 13:20:44 +0000 Subject: T6075: firewall and NAT: check if interface-group exists when using them in firewall|nat rules. --- src/conf_mode/firewall.py | 9 +++++++++ src/conf_mode/nat.py | 18 ++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py index acb7dfa41..3c27655b0 100755 --- a/src/conf_mode/firewall.py +++ b/src/conf_mode/firewall.py @@ -282,6 +282,15 @@ def verify_rule(firewall, rule_conf, ipv6): if direction in rule_conf: if 'name' in rule_conf[direction] and 'group' in rule_conf[direction]: raise ConfigError(f'Cannot specify both interface group and interface name for {direction}') + if 'group' in rule_conf[direction]: + group_name = rule_conf[direction]['group'] + if group_name[0] == '!': + group_name = group_name[1:] + group_obj = dict_search_args(firewall, 'group', 'interface_group', group_name) + if group_obj is None: + raise ConfigError(f'Invalid interface group "{group_name}" on firewall rule') + if not group_obj: + Warning(f'interface-group "{group_name}" has no members!') def verify_nested_group(group_name, group, groups, seen): if 'include' not in group: diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py index 26822b755..b3f38c04a 100755 --- a/src/conf_mode/nat.py +++ b/src/conf_mode/nat.py @@ -153,6 +153,15 @@ def verify(nat): 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!') + else: + group_name = config['outbound_interface']['group'] + if group_name[0] == '!': + group_name = group_name[1:] + group_obj = dict_search_args(nat['firewall_group'], 'interface_group', group_name) + if group_obj is None: + raise ConfigError(f'Invalid interface group "{group_name}" on source nat rule') + if not group_obj: + Warning(f'interface-group "{group_name}" has no members!') 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']: @@ -177,6 +186,15 @@ def verify(nat): 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!') + else: + group_name = config['inbound_interface']['group'] + if group_name[0] == '!': + group_name = group_name[1:] + group_obj = dict_search_args(nat['firewall_group'], 'interface_group', group_name) + if group_obj is None: + raise ConfigError(f'Invalid interface group "{group_name}" on destination nat rule') + if not group_obj: + Warning(f'interface-group "{group_name}" has no members!') 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']: -- cgit v1.2.3