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-rw-r--r--python/vyos/firewall.py25
1 files changed, 21 insertions, 4 deletions
diff --git a/python/vyos/firewall.py b/python/vyos/firewall.py
index a2e133217..a74fd922a 100644
--- a/python/vyos/firewall.py
+++ b/python/vyos/firewall.py
@@ -104,13 +104,25 @@ def parse_rule(rule_conf, fw_name, rule_id, ip_name):
group = side_conf['group']
if 'address_group' in group:
group_name = group['address_group']
- output.append(f'{ip_name} {prefix}addr $A{def_suffix}_{group_name}')
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+ output.append(f'{ip_name} {prefix}addr {operator} $A{def_suffix}_{group_name}')
elif 'network_group' in group:
group_name = group['network_group']
- output.append(f'{ip_name} {prefix}addr $N{def_suffix}_{group_name}')
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+ output.append(f'{ip_name} {prefix}addr {operator} $N{def_suffix}_{group_name}')
if 'mac_group' in group:
group_name = group['mac_group']
- output.append(f'ether {prefix}addr $M_{group_name}')
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+ output.append(f'ether {prefix}addr {operator} $M_{group_name}')
if 'port_group' in group:
proto = rule_conf['protocol']
group_name = group['port_group']
@@ -118,7 +130,12 @@ def parse_rule(rule_conf, fw_name, rule_id, ip_name):
if proto == 'tcp_udp':
proto = 'th'
- output.append(f'{proto} {prefix}port $P_{group_name}')
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+
+ output.append(f'{proto} {prefix}port {operator} $P_{group_name}')
if 'log' in rule_conf and rule_conf['log'] == 'enable':
action = rule_conf['action'] if 'action' in rule_conf else 'accept'