diff options
Diffstat (limited to 'src/op_mode/show_nat66_rules.py')
-rwxr-xr-x | src/op_mode/show_nat66_rules.py | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/op_mode/show_nat66_rules.py b/src/op_mode/show_nat66_rules.py deleted file mode 100755 index 967ec9d37..000000000 --- a/src/op_mode/show_nat66_rules.py +++ /dev/null @@ -1,102 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2021 VyOS maintainers and contributors -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 or later as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import jmespath -import json - -from argparse import ArgumentParser -from jinja2 import Template -from sys import exit -from vyos.util import cmd -from vyos.util import dict_search - -parser = ArgumentParser() -group = parser.add_mutually_exclusive_group() -group.add_argument("--source", help="Show statistics for configured source NAT rules", action="store_true") -group.add_argument("--destination", help="Show statistics for configured destination NAT rules", action="store_true") -args = parser.parse_args() - -if args.source or args.destination: - tmp = cmd('sudo nft -j list table ip6 nat') - tmp = json.loads(tmp) - - format_nat66_rule = '{0: <10} {1: <50} {2: <50} {3: <10}' - print(format_nat66_rule.format("Rule", "Source" if args.source else "Destination", "Translation", "Outbound Interface" if args.source else "Inbound Interface")) - print(format_nat66_rule.format("----", "------" if args.source else "-----------", "-----------", "------------------" if args.source else "-----------------")) - - 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 - for key in ['comment', 'chain', 'expr']: - if key not in data: - continue_rule = True - 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-NAT66-', 'DST-NAT66-']: - if comment_prefix in comment: - continue_rule = False - if continue_rule: - continue - - # When log is detected from the second index of expr, then this rule should be ignored - if 'log' in data['expr'][2]: - continue - - rule = comment.replace('SRC-NAT66-','') - rule = rule.replace('DST-NAT66-','') - chain = data['chain'] - if not ((args.source and chain == 'POSTROUTING') or (not args.source and chain == 'PREROUTING')): - continue - interface = dict_search('match.right', data['expr'][0]) - srcdest = dict_search('match.right.prefix.addr', data['expr'][2]) - if srcdest: - addr_tmp = dict_search('match.right.prefix.len', data['expr'][2]) - if addr_tmp: - srcdest = srcdest + '/' + str(addr_tmp) - else: - srcdest = dict_search('match.right', data['expr'][2]) - - tran_addr_json = dict_search('snat.addr' if args.source else 'dnat.addr', data['expr'][3]) - if tran_addr_json: - if isinstance(srcdest_json,str): - tran_addr = tran_addr_json - - if 'prefix' in tran_addr_json: - addr_tmp = dict_search('snat.addr.prefix.addr' if args.source else 'dnat.addr.prefix.addr', data['expr'][3]) - len_tmp = dict_search('snat.addr.prefix.len' if args.source else 'dnat.addr.prefix.len', data['expr'][3]) - if addr_tmp: - tran_addr = addr_tmp + '/' + str(len_tmp) - else: - if 'masquerade' in data['expr'][3]: - tran_addr = 'masquerade' - - print(format_nat66_rule.format(rule, srcdest, tran_addr, interface)) - - exit(0) -else: - parser.print_help() - exit(1) - |