diff options
Diffstat (limited to 'src/op_mode/firewall.py')
-rwxr-xr-x | src/op_mode/firewall.py | 85 |
1 files changed, 78 insertions, 7 deletions
diff --git a/src/op_mode/firewall.py b/src/op_mode/firewall.py index 15fbb65a2..c197ca434 100755 --- a/src/op_mode/firewall.py +++ b/src/op_mode/firewall.py @@ -63,10 +63,10 @@ def get_nftables_details(family, hook, priority): aux='' if hook == 'name' or hook == 'ipv6-name': - command = f'sudo nft list chain {suffix} vyos_filter {name_prefix}{priority}' + command = f'nft list chain {suffix} vyos_filter {name_prefix}{priority}' else: up_hook = hook.upper() - command = f'sudo nft list chain {suffix} vyos_filter VYOS_{aux}{up_hook}_{priority}' + command = f'nft list chain {suffix} vyos_filter VYOS_{aux}{up_hook}_{priority}' try: results = cmd(command) @@ -90,12 +90,42 @@ def get_nftables_details(family, hook, priority): out[rule_id] = rule return out +def get_nftables_state_details(family): + if family == 'ipv6': + suffix = 'ip6' + name_suffix = 'POLICY6' + elif family == 'ipv4': + suffix = 'ip' + name_suffix = 'POLICY' + else: + # no state policy for bridge + return {} + + command = f'nft list chain {suffix} vyos_filter VYOS_STATE_{name_suffix}' + try: + results = cmd(command) + except: + return {} + + out = {} + for line in results.split('\n'): + rule = {} + for state in ['established', 'related', 'invalid']: + if state in line: + counter_search = re.search(r'counter packets (\d+) bytes (\d+)', line) + if counter_search: + rule['packets'] = counter_search[1] + rule['bytes'] = counter_search[2] + rule['conditions'] = re.sub(r'(\b(counter packets \d+ bytes \d+|drop|reject|return|log)\b|comment "[\w\-]+")', '', line).strip() + out[state] = rule + return out + def get_nftables_group_members(family, table, name): prefix = 'ip6' if family == 'ipv6' else 'ip' out = [] try: - results_str = cmd(f'sudo nft -j list set {prefix} {table} {name}') + results_str = cmd(f'nft -j list set {prefix} {table} {name}') results = json.loads(results_str) except: return out @@ -172,6 +202,34 @@ def output_firewall_name(family, hook, priority, firewall_conf, single_rule_id=N rows[rows.index(i)].pop(1) print(tabulate.tabulate(rows, header) + '\n') +def output_firewall_state_policy(family): + if family == 'bridge': + return {} + print(f'\n---------------------------------\n{family} State Policy\n') + + details = get_nftables_state_details(family) + rows = [] + + for state, state_conf in details.items(): + row = [state, state_conf['conditions']] + row.append(state_conf.get('packets', 0)) + row.append(state_conf.get('bytes', 0)) + row.append(state_conf.get('conditions')) + rows.append(row) + + if rows: + if args.rule: + rows.pop() + + if args.detail: + header = ['State', 'Conditions', 'Packets', 'Bytes'] + output_firewall_vertical(rows, header) + else: + header = ['State', 'Packets', 'Bytes', 'Conditions'] + for i in rows: + rows[rows.index(i)].pop(1) + print(tabulate.tabulate(rows, header) + '\n') + def output_firewall_name_statistics(family, hook, prior, prior_conf, single_rule_id=None): print(f'\n---------------------------------\n{family} Firewall "{hook} {prior}"\n') @@ -305,6 +363,10 @@ def show_firewall(): return for family in ['ipv4', 'ipv6', 'bridge']: + if 'global_options' in firewall: + if 'state_policy' in firewall['global_options']: + output_firewall_state_policy(family) + if family in firewall: for hook, hook_conf in firewall[family].items(): for prior, prior_conf in firewall[family][hook].items(): @@ -316,12 +378,17 @@ def show_firewall_family(family): conf = Config() firewall = get_config_node(conf) - if not firewall or family not in firewall: + if not firewall: return - for hook, hook_conf in firewall[family].items(): - for prior, prior_conf in firewall[family][hook].items(): - output_firewall_name(family, hook, prior, prior_conf) + if 'global_options' in firewall: + if 'state_policy' in firewall['global_options']: + output_firewall_state_policy(family) + + if family in firewall: + for hook, hook_conf in firewall[family].items(): + for prior, prior_conf in firewall[family][hook].items(): + output_firewall_name(family, hook, prior, prior_conf) def show_firewall_name(family, hook, priority): print('Ruleset Information') @@ -622,6 +689,10 @@ def show_statistics(): return for family in ['ipv4', 'ipv6', 'bridge']: + if 'global_options' in firewall: + if 'state_policy' in firewall['global_options']: + output_firewall_state_policy(family) + if family in firewall: for hook, hook_conf in firewall[family].items(): for prior, prior_conf in firewall[family][hook].items(): |