diff options
Diffstat (limited to 'src/op_mode/show_nat_rules.py')
| -rwxr-xr-x | src/op_mode/show_nat_rules.py | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/op_mode/show_nat_rules.py b/src/op_mode/show_nat_rules.py index d68def26a..98adb31dd 100755 --- a/src/op_mode/show_nat_rules.py +++ b/src/op_mode/show_nat_rules.py @@ -32,7 +32,7 @@ args = parser.parse_args() if args.source or args.destination: tmp = cmd('sudo nft -j list table ip nat') tmp = json.loads(tmp) - + format_nat_rule = '{0: <10} {1: <50} {2: <50} {3: <10}' print(format_nat_rule.format("Rule", "Source" if args.source else "Destination", "Translation", "Outbound Interface" if args.source else "Inbound Interface")) print(format_nat_rule.format("----", "------" if args.source else "-----------", "-----------", "------------------" if args.source else "-----------------")) @@ -40,7 +40,7 @@ if args.source or args.destination: data_json = jmespath.search('nftables[?rule].rule[?chain]', tmp) for idx in range(0, len(data_json)): data = data_json[idx] - + # The following key values must exist # When the rule JSON does not have some keys, this is not a rule we can work with continue_rule = False @@ -50,9 +50,9 @@ if args.source or args.destination: continue if continue_rule: continue - + comment = data['comment'] - + # Check the annotation to see if the annotation format is created by VYOS continue_rule = True for comment_prefix in ['SRC-NAT-', 'DST-NAT-']: @@ -60,7 +60,7 @@ if args.source or args.destination: continue_rule = False if continue_rule: continue - + rule = int(''.join(list(filter(str.isdigit, comment)))) chain = data['chain'] if not ((args.source and chain == 'POSTROUTING') or (not args.source and chain == 'PREROUTING')): @@ -88,7 +88,7 @@ if args.source or args.destination: else: port_range = srcdest_json['set'][0]['range'] srcdest += 'port ' + str(port_range[0]) + '-' + str(port_range[1]) + ' ' - + tran_addr_json = dict_search('snat' if args.source else 'dnat', data['expr'][i]) if tran_addr_json: if isinstance(tran_addr_json['addr'],str): @@ -98,10 +98,10 @@ if args.source or args.destination: len_tmp = dict_search('snat.addr.prefix.len' if args.source else 'dnat.addr.prefix.len', data['expr'][3]) if addr_tmp and len_tmp: tran_addr += addr_tmp + '/' + str(len_tmp) + ' ' - + if isinstance(tran_addr_json['port'],int): - tran_addr += 'port ' + tran_addr_json['port'] - + tran_addr += 'port ' + str(tran_addr_json['port']) + else: if 'masquerade' in data['expr'][i]: tran_addr = 'masquerade' @@ -112,10 +112,10 @@ if args.source or args.destination: srcdests.append(srcdest) srcdest = '' print(format_nat_rule.format(rule, srcdests[0], tran_addr, interface)) - + for i in range(1, len(srcdests)): print(format_nat_rule.format(' ', srcdests[i], ' ', ' ')) - + exit(0) else: parser.print_help() |