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authorChristian Breunig <christian@breunig.cc>2024-03-06 20:09:00 +0100
committerGitHub <noreply@github.com>2024-03-06 20:09:00 +0100
commit8e185b78a308fd5202bb3913e228db7e45b297ba (patch)
tree3f8f86789cf0875212d48f4cd583ed6ff9071129
parent0fc8b17901fe8bdaa4cb5a0eb88884c9c35ff84c (diff)
parentd2ce5c18498ad054c5c1fa1294892d25317fb589 (diff)
downloadvyos-1x-8e185b78a308fd5202bb3913e228db7e45b297ba.tar.gz
vyos-1x-8e185b78a308fd5202bb3913e228db7e45b297ba.zip
Merge pull request #3098 from vyos/mergify/bp/sagitta/pr-3088
T6075: firewall and NAT: check if interface-group exists when using them in firewall|nat rules. (backport #3088)
-rwxr-xr-xsrc/conf_mode/firewall.py9
-rwxr-xr-xsrc/conf_mode/nat.py18
2 files changed, 27 insertions, 0 deletions
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']: