def create_reverse(dns_name: str, address: ip.IPAddress, status: Optional[DNSStatus], output: List[str]):
if status:
status.reverse_action = ACTION_CREATE
zone = ReverseZone.objects.find_for_address(address)
if zone:
record_name = zone.record_name(address)
logger.debug(f"Found zone {zone.name} for {record_name}")
# Check the SOA, we don't want to write to a parent zone if it has delegated authority
soa = get_soa(record_name)
if soa == zone.name:
update = zone.server.create_update(zone.name)
update.add(
record_name,
zone.ttl,
'ptr',
dns_name
)
response = dns.query.udp(update, zone.server.address, port=zone.server.server_port)
status_update(output, f'Adding {record_name} PTR {dns_name}', response)
if status:
status.reverse_rcode = response.rcode()
else:
logger.warning(f"Can't update zone {zone.name} for {record_name}, "
f"it has delegated authority for {soa}")
if status:
status.reverse_rcode = rcode.NOTAUTH
else:
logger.debug(f"No zone found for {address}")
if status:
status.reverse_rcode = RCODE_NO_ZONE
def delete_forward(dns_name: str, address: ip.IPAddress, status: Optional[DNSStatus], output: List[str]):
if status:
status.forward_action = ACTION_DELETE
zone = Zone.objects.find_for_dns_name(dns_name)
if zone:
logger.debug(f"Found zone {zone.name} for {dns_name}")
# Check the SOA, we don't want to write to a parent zone if it has delegated authority
soa = get_soa(dns_name)
if soa == zone.name:
record_type = 'A' if address.version == 4 else 'AAAA'
update = zone.server.create_update(zone.name)
update.delete(
dns_name,
record_type,
str(address)
)
response = dns.query.udp(update, zone.server.address, port=zone.server.server_port)
status_update(output, f'Deleting {dns_name} {record_type} {address}', response)
if status:
status.forward_rcode = response.rcode()
else:
logger.warning(f"Can't update zone {zone.name} {dns_name}, "
f"it has delegated authority for {soa}")
if status:
status.forward_rcode = rcode.NOTAUTH
else:
logger.debug(f"No zone found for {dns_name}")
if status:
status.forward_rcode = RCODE_NO_ZONE