dns/dnssec_generate.py
Benjamin Graillot f78ce878b7 Ajout du DNSSEC
2018-12-24 10:47:30 +01:00

32 lines
1,017 B
Python
Executable file

#!/usr/bin/python3
import json
import os
import re
import subprocess
path = os.path.dirname(os.path.abspath(__file__))
try:
with open(path + '/dnssec_domains.json') as dnssec_zones:
zones = json.load(dnssec_zones)
except:
zones = []
if __name__ == '__main__':
ds_records = {}
for zone in zones:
ds = subprocess.check_output(['drill', '-s', '@localhost', '-t', 'DNSKEY', zone]).decode('utf-8')
try:
m = re.search(r'id = (\d+) \(ksk\)', ds)
tag = m.group(1)
ds = ds.split('\n')
ds = ds[ds.index('; equivalent DS records for key ' + tag + ':')+2].split('\t')
except:
print('Unable to find ksk for', zone)
continue
ds[0] = ds[0][ds[0][2:].index(' ')+3:]
ds[-1:] = ds[-1].split(' ')
ds_records[zone] = {'subzone': ds[0], 'ttl': ds[1], 'id': ds[4], 'algo': ds[5], 'type': ds[6], 'fp': ds[7]}
with open('dnssec.json', 'w') as dnssec:
json.dump(ds_records, dnssec)