1
0
Fork 0
mirror of https://github.com/NeoCloud/NeoNetwork synced 2024-12-26 04:29:24 +08:00
NeoNetwork/scripts/dns-generator.py

59 lines
2.1 KiB
Python
Executable file

#!/usr/bin/env python3
import sys
from pathlib import Path
import toml
from rfc2317 import gen_reverse_pointers, ZONE as RFC2317_ZONE
from roa import export_dnssec_dnskey
ZONE_FILE_MAP = {
'neo.': Path("dns", "neonetwork"),
'127.10.in-addr.arpa.': Path("dns", "db.10.127"),
'7.2.1.0.0.1.d.f.ip6.arpa.': Path("dns", "db.fd10.127")
}
RFC2317_FILE = Path("dns", "rfc2317.toml")
NAMED_TURST_ANCHORS_FILE = Path("dns", "named_trust_anchors.conf")
def iter_rfc2317_entry():
entries = toml.loads(RFC2317_FILE.read_text())
for (route, attributes) in entries.items():
ns = attributes.get("NS")
ds = attributes.get("DS", list())
ttl = attributes.get("TTL", -1)
yield (route, ns, ds, ttl)
def write_named_trust_anchors():
header = 'trust-anchors {\n'
footer = '\n}\n'
contents = []
dnskeys_exported = export_dnssec_dnskey(include_zsk=False)
maxzonelen = max(len(entry['zone']) for entry in dnskeys_exported)
for entry in dnskeys_exported:
zone, records = entry['zone'], [r['dnskey'] for r in entry['records']]
for record in records:
a1, a2, a3, a4 = record.split(maxsplit=3)
contents.append(f" {zone:>{maxzonelen}s} static-key {a1} {a2} {a3} \"{a4}\";")
NAMED_TURST_ANCHORS_FILE.write_text(header + '\n'.join(contents) + footer)
def main():
DNSKEYS = {entry['zone']: entry['records'] for entry in export_dnssec_dnskey(include_zsk=True)}
for zone, zone_file in ZONE_FILE_MAP.items():
orignal = zone_file.read_text()
records = [orignal, "; AUTOGENERATED"]
if zone.strip('.') == RFC2317_ZONE.strip('.'):
records.extend(("", "; rfc2317"))
for route, ns, ds, ttl in iter_rfc2317_entry():
records.extend(gen_reverse_pointers(route, ns, ds, ttl))
records.append("")
records.extend(("", "; dnskey"))
for dnskey in DNSKEYS[zone]:
records.append(f"@ IN DNSKEY {dnskey['dnskey']}")
records.append("")
zone_file.write_text("\n".join(records))
if __name__ == "__main__":
main()
write_named_trust_anchors()