mirror of
https://github.com/NeoCloud/NeoNetwork
synced 2024-11-24 04:00:40 +08:00
44 lines
1.2 KiB
Python
Executable file
44 lines
1.2 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
import ipaddress
|
|
|
|
ZONE = ".127.10.in-addr.arpa"
|
|
|
|
|
|
def truncate(rev: str) -> str:
|
|
assert rev.endswith(ZONE)
|
|
rev = rev[: -len(ZONE)]
|
|
return rev
|
|
|
|
|
|
def gen_reverse_pointers(network: str, ns: list, ds: list = [], ttl: int = -1) -> list:
|
|
ttl = f"{ttl} " if 900 <= ttl <= 86400 else ""
|
|
buf = list()
|
|
net = ipaddress.IPv4Network(network, strict=True)
|
|
assert net.prefixlen > 24
|
|
netrev = truncate(net.reverse_pointer)
|
|
for _ns in ns:
|
|
buf.append(f"{netrev} {ttl}IN NS {_ns}")
|
|
for _ds in ds:
|
|
buf.append(f"{netrev} {ttl}IN DS {_ds}")
|
|
|
|
for addr in net:
|
|
cnamefr = truncate(addr.reverse_pointer)
|
|
cnameto = f"{int.from_bytes(addr.packed, byteorder='big', signed=False) & 0xff}.{netrev}"
|
|
buf.append(f"{cnamefr} {ttl}IN CNAME {cnameto}")
|
|
return buf
|
|
|
|
|
|
if __name__ == "__main__":
|
|
print(
|
|
"\n".join(
|
|
gen_reverse_pointers(
|
|
"10.127.8.64/26",
|
|
["ns1.jerry.neo."],
|
|
[
|
|
"18792 13 2 2F335456EEE70FC4833886E5EEDC28E7195E90E2A337860B3E805D5EB9F3A804"
|
|
],
|
|
ttl=1500,
|
|
)
|
|
)
|
|
)
|