summaryrefslogtreecommitdiff
path: root/python/vyos/nat.py
diff options
context:
space:
mode:
Diffstat (limited to 'python/vyos/nat.py')
-rw-r--r--python/vyos/nat.py59
1 files changed, 56 insertions, 3 deletions
diff --git a/python/vyos/nat.py b/python/vyos/nat.py
index 31bbdc386..8a311045a 100644
--- a/python/vyos/nat.py
+++ b/python/vyos/nat.py
@@ -16,6 +16,8 @@
from vyos.template import is_ip_network
from vyos.util import dict_search_args
+from vyos.template import bracketize_ipv6
+
def parse_nat_rule(rule_conf, rule_id, nat_type, ipv6=False):
output = []
@@ -69,6 +71,7 @@ def parse_nat_rule(rule_conf, rule_id, nat_type, ipv6=False):
else:
translation_output.append('to')
if addr:
+ addr = bracketize_ipv6(addr)
translation_output.append(addr)
options = []
@@ -85,8 +88,13 @@ def parse_nat_rule(rule_conf, rule_id, nat_type, ipv6=False):
translation_str += f' {",".join(options)}'
for target in ['source', 'destination']:
+ if target not in rule_conf:
+ continue
+
+ side_conf = rule_conf[target]
prefix = target[:1]
- addr = dict_search_args(rule_conf, target, 'address')
+
+ addr = dict_search_args(side_conf, 'address')
if addr and not (ignore_type_addr and target == nat_type):
operator = ''
if addr[:1] == '!':
@@ -94,7 +102,7 @@ def parse_nat_rule(rule_conf, rule_id, nat_type, ipv6=False):
addr = addr[1:]
output.append(f'{ip_prefix} {prefix}addr {operator} {addr}')
- addr_prefix = dict_search_args(rule_conf, target, 'prefix')
+ addr_prefix = dict_search_args(side_conf, 'prefix')
if addr_prefix and ipv6:
operator = ''
if addr_prefix[:1] == '!':
@@ -102,7 +110,7 @@ def parse_nat_rule(rule_conf, rule_id, nat_type, ipv6=False):
addr_prefix = addr[1:]
output.append(f'ip6 {prefix}addr {operator} {addr_prefix}')
- port = dict_search_args(rule_conf, target, 'port')
+ port = dict_search_args(side_conf, 'port')
if port:
protocol = rule_conf['protocol']
if protocol == 'tcp_udp':
@@ -113,6 +121,51 @@ def parse_nat_rule(rule_conf, rule_id, nat_type, ipv6=False):
port = port[1:]
output.append(f'{protocol} {prefix}port {operator} {{ {port} }}')
+ if 'group' in side_conf:
+ group = side_conf['group']
+ if 'address_group' in group and not (ignore_type_addr and target == nat_type):
+ group_name = group['address_group']
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+ output.append(f'{ip_prefix} {prefix}addr {operator} @A_{group_name}')
+ # Generate firewall group domain-group
+ elif 'domain_group' in group and not (ignore_type_addr and target == nat_type):
+ group_name = group['domain_group']
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+ output.append(f'{ip_prefix} {prefix}addr {operator} @D_{group_name}')
+ elif 'network_group' in group and not (ignore_type_addr and target == nat_type):
+ group_name = group['network_group']
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+ output.append(f'{ip_prefix} {prefix}addr {operator} @N_{group_name}')
+ if 'mac_group' in group:
+ group_name = group['mac_group']
+ 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']
+
+ if proto == 'tcp_udp':
+ proto = 'th'
+
+ operator = ''
+ if group_name[0] == '!':
+ operator = '!='
+ group_name = group_name[1:]
+
+ output.append(f'{proto} {prefix}port {operator} @P_{group_name}')
+
output.append('counter')
if 'log' in rule_conf: