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authorsarthurdev <965089+sarthurdev@users.noreply.github.com>2024-04-26 14:32:52 +0200
committerMergify <37929162+mergify[bot]@users.noreply.github.com>2024-05-01 08:14:13 +0000
commit0460076d8be11eba476e9815e0b5815c3848e855 (patch)
tree5cab97f8a54bd8403567226d07cf8ca8066ea926 /src
parentc7d4126ab20da5414ce5ce811e8750dd1fe11b92 (diff)
downloadvyos-1x-0460076d8be11eba476e9815e0b5815c3848e855.tar.gz
vyos-1x-0460076d8be11eba476e9815e0b5815c3848e855.zip
firewall: T6257: Show member information for dynamic groups in op-mode
(cherry picked from commit 456419c7930405b80d322586736734f707affaed)
Diffstat (limited to 'src')
-rwxr-xr-xsrc/op_mode/firewall.py78
1 files changed, 70 insertions, 8 deletions
diff --git a/src/op_mode/firewall.py b/src/op_mode/firewall.py
index 25554b781..442c186cc 100755
--- a/src/op_mode/firewall.py
+++ b/src/op_mode/firewall.py
@@ -16,6 +16,7 @@
import argparse
import ipaddress
+import json
import re
import tabulate
import textwrap
@@ -89,10 +90,38 @@ def get_nftables_details(family, hook, priority):
out[rule_id] = rule
return out
-def output_firewall_vertical(rules, headers):
+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 = json.loads(results_str)
+ except:
+ return out
+
+ if 'nftables' not in results:
+ return out
+
+ for obj in results['nftables']:
+ if 'set' not in obj:
+ continue
+
+ set_obj = obj['set']
+
+ if 'elem' in set_obj:
+ for elem in set_obj['elem']:
+ if isinstance(elem, str):
+ out.append(elem)
+ elif isinstance(elem, dict) and 'elem' in elem:
+ out.append(elem['elem'])
+
+ return out
+
+def output_firewall_vertical(rules, headers, adjust=True):
for rule in rules:
- adjusted_rule = rule + [""] * (len(headers) - len(rule)) # account for different header length, like default-action
- transformed_rule = [[header, textwrap.fill(adjusted_rule[i].replace('\n', ' '), 65)] for i, header in enumerate(headers)] # create key-pair list from headers and rules lists; wrap at 100 char
+ adjusted_rule = rule + [""] * (len(headers) - len(rule)) if adjust else rule # account for different header length, like default-action
+ transformed_rule = [[header, textwrap.fill(adjusted_rule[i].replace('\n', ' '), 65)] for i, header in enumerate(headers) if i < len(adjusted_rule)] # create key-pair list from headers and rules lists; wrap at 100 char
print(tabulate.tabulate(transformed_rule, tablefmt="presto"))
print()
@@ -453,6 +482,7 @@ def show_firewall_group(name=None):
return out
rows = []
+ header_tail = []
for group_type, group_type_conf in firewall['group'].items():
##
@@ -479,21 +509,53 @@ def show_firewall_group(name=None):
rows.append(row)
else:
+ if not args.detail:
+ header_tail = ['Timeout', 'Expires']
+
for dynamic_type in ['address_group', 'ipv6_address_group']:
+ family = 'ipv4' if dynamic_type == 'address_group' else 'ipv6'
+ prefix = 'DA_' if dynamic_type == 'address_group' else 'DA6_'
if dynamic_type in firewall['group']['dynamic_group']:
for dynamic_name, dynamic_conf in firewall['group']['dynamic_group'][dynamic_type].items():
references = find_references(dynamic_type, dynamic_name)
row = [dynamic_name, textwrap.fill(dynamic_conf.get('description') or '', 50), dynamic_type + '(dynamic)', '\n'.join(references) or 'N/D']
- row.append('N/D')
- rows.append(row)
+
+ members = get_nftables_group_members(family, 'vyos_filter', f'{prefix}{dynamic_name}')
+
+ if not members:
+ if args.detail:
+ row.append('N/D')
+ else:
+ row += ["N/D"] * 3
+ rows.append(row)
+ continue
+
+ for idx, member in enumerate(members):
+ val = member.get('val', 'N/D')
+ timeout = str(member.get('timeout', 'N/D'))
+ expires = str(member.get('expires', 'N/D'))
+
+ if args.detail:
+ row.append(f'{val} (timeout: {timeout}, expires: {expires})')
+ continue
+
+ if idx > 0:
+ row = [""] * 4
+
+ row += [val, timeout, expires]
+ rows.append(row)
+
+ if args.detail:
+ header_tail += [""] * (len(members) - 1)
+ rows.append(row)
if rows:
print('Firewall Groups\n')
if args.detail:
- header = ['Name', 'Description','Type', 'References', 'Members']
- output_firewall_vertical(rows, header)
+ header = ['Name', 'Description', 'Type', 'References', 'Members'] + header_tail
+ output_firewall_vertical(rows, header, adjust=False)
else:
- header = ['Name', 'Type', 'References', 'Members']
+ header = ['Name', 'Type', 'References', 'Members'] + header_tail
for i in rows:
rows[rows.index(i)].pop(1)
print(tabulate.tabulate(rows, header))