def _dns_resolve(query, resolver=""):
dr = dns.resolver.Resolver()
if resolver:
try:
dr.nameservers = [socket.gethostbyname(resolver)]
except:
pass
result = {"query": query, "resolver": dr.nameservers}
rr = ["A", "AAAA", "CNAME", "MX", "NS", "SOA", "TXT"]
#rr = ["A", "AAAA", "CNAME", "MX", "NS", "TXT"]
for r in rr:
rdata = []
try:
answer = dr.query(query, r)
for a in answer:
if not str(a) in rdata:
rdata.append(str(a))
except Exception as e:
#logger.debug(str(e))
pass
if rdata:
rdata.sort()
result[r] = rdata
result["AXFR"] = None
try:
ns = result["NS"][-1]
xfr = dns.query.xfr(ns, query)
zone = dns.zone.from_xfr(xfr)
result["AXFR"] = zone.to_text()
except Exception as e:
result["AXFR"] = str(e)
return result
def run(self, domain, record_type=None, name=None,
nameserver=None, content=None, tags=None,
tags_and=None
):
response = self.getAPI("/api/1.0/dns/records/", {
"domain": domain,
"type": record_type,
"name": name,
"nameserver": nameserver,
"content": content,
"tags": tags,
"tags_and": tags_and
})
result = ""
if len(response["records"]) > 0:
zone = dns.zone.Zone(dns.name.from_text(
response["records"][0]["dns_zone"]
))
for record in response["records"]:
try:
rdtype = dns.rdatatype.from_text(record["type"])
rdata = dns.rdata.from_text(
dns.rdataclass.IN, rdtype, record["content"]
)
n = zone.get_rdataset(record["name"], rdtype, create=True)
n.add(rdata, record["ttl"])
except Exception, e:
print "Error: %s" % e.message
print "Record Name: %s" % record["name"]
print "Record Type: %s" % record["type"]
print "Record Content: %s" % record["content"]
print "Record TTL: %d" % record["ttl"]
print "---"
result = zone.to_text()
def _dns_resolve(query, resolver=""):
dr = dns.resolver.Resolver()
if resolver:
try:
dr.nameservers = [socket.gethostbyname(resolver)]
except:
pass
result = {"query":query, "resolver":dr.nameservers}
rr = ["A", "AAAA", "CNAME", "MX", "NS", "SOA", "TXT"]
#rr = ["A", "AAAA", "CNAME", "MX", "NS", "TXT"]
for r in rr:
rdata = []
try:
answer = dr.query(query, r)
for a in answer:
if not str(a) in rdata:
rdata.append(str(a))
except Exception as e:
#logger.debug(str(e))
pass
if rdata:
rdata.sort()
result[r] = rdata
result["AXFR"] = None
try:
ns = result["NS"][-1]
xfr = dns.query.xfr(ns, query)
zone = dns.zone.from_xfr(xfr)
result["AXFR"] = zone.to_text()
except Exception as e:
result["AXFR"] = str(e)
return result
def test_zone_basic(zone):
with zone.writer() as txn:
txn.delete(dns.name.from_text("bar.foo", None))
rd = dns.rdata.from_text("in", "ns", "ns3")
txn.add(dns.name.empty, 3600, rd)
rd = dns.rdata.from_text("in", "a", "10.0.0.3")
txn.add(dns.name.from_text("ns3", None), 3600, rd)
output = zone.to_text()
assert output == example_text_output
def test_zone_basic(zone):
with zone.writer() as txn:
txn.delete(dns.name.from_text('bar.foo', None))
rd = dns.rdata.from_text('in', 'ns', 'ns3')
txn.add(dns.name.empty, 3600, rd)
rd = dns.rdata.from_text('in', 'a', '10.0.0.3')
txn.add(dns.name.from_text('ns3', None), 3600, rd)
output = zone.to_text()
assert output == example_text_output
def run(self):
zone = dns.zone.from_xfr(dns.query.xfr(**self.config["query"]),
**self.config["zone"])
if self.save:
if not os.isdir("./dns-zones"):
os.mkdir("./dns-zones/")
zone.to_file(f"./dns-zones/{self.name}.txt", sorted=True)
else:
print(colored(zone.to_text().decode("ascii"), dark=True))
def test_zone_get_deleted(zone):
with zone.writer() as txn:
print(zone.to_text())
ns1 = dns.name.from_text('ns1', None)
assert txn.get(ns1, dns.rdatatype.A) is not None
txn.delete(ns1)
assert txn.get(ns1, dns.rdatatype.A) is None
ns2 = dns.name.from_text('ns2', None)
txn.delete(ns2, dns.rdatatype.A)
assert txn.get(ns2, dns.rdatatype.A) is None
def handle(self, *args, **options):
for domain_list in options['domain']:
try:
domain = Domain.objects.get(name=domain_list)
get_nameserver1 = domain.nameserver1
get_nameserver2 = domain.nameserver2
get_records = Record.objects.filter(domain=domain)
except Domain.DoesNotExist:
raise CommandError('Domain "%s" does not exist' % domain)
except Record.DoesNotExist:
raise CommandError('Records for "%s" do not exist' % domain)
if domain and get_records:
self.stdout.write('Domain "%s"' % domain)
self.stdout.write('Records for zone: \n')
for record in get_records:
self.stdout.write("%s\n" % record)
# create empty zone
zone = dns.zone.Zone(origin=domain.name)
nameservers = {'ns': [domain.nameserver1, domain.nameserver2]}
# add records
for record in get_records:
if "@" not in record.name:
fqdn = "{0}.{1}".format(record.name, domain)
else:
fqdn = record
record_type = getattr(
dns.rdatatype, "%s" % record.record_type
) # Directly use built in rdatatypes instead of looking up against list
zone[fqdn] = dns.rdataset.from_text(
'IN', record_type, record.ttl, str(record.content))
zone_template = loader.get_template('bind/template.zone')
# zone_text = zone.to_text('{0}.zone'.format(domain.name))
zone_text = zone.to_text()
context = {
"domain": domain,
"ns": {domain.nameserver1, domain.nameserver2},
"records": zone_text
}
fp = "{0}.zone".format(domain.name)
with open(fp, 'w+') as f:
f.seek(0)
f.write(zone_template.render(context))
async def start_powerdns(nursery, parent: Thread, path: Path, zone: dns.zone.Zone,
# tuple is (udpfd, listening tcpfd)
ipv4_sockets: t.List[t.Tuple[handle.FileDescriptor, handle.FileDescriptor]],
ipv6_sockets: t.List[t.Tuple[handle.FileDescriptor, handle.FileDescriptor]],
) -> Powerdns:
pdns_server = Command(Path("/home/sbaugh/.local/src/pdns/pdns/pdns_server"), ['pdns_server'], {})
# pdns_server = await parent.environ.which("pdns_server")
thread = await parent.fork()
# we pretend to pass addresses like 0.0.0.1 etc
# we add one so we don't pass 0.0.0.0 and make powerdns think it's bound to everything
ipv4s = {str(i+1): (udp.move(thread.task), tcp.move(thread.task))
for i, (udp, tcp) in enumerate(ipv4_sockets)}
ipv6s = {str(i+1): (udp.move(thread.task), tcp.move(thread.task))
for i, (udp, tcp) in enumerate(ipv6_sockets)}
await thread.unshare_files(going_to_exec=True)
config = {
"config-dir": os.fsdecode(path),
# TODO control-console seems to be a feature where it will listen on stdin or something?
# we should use that instead of this socketdir
"socket-dir": os.fsdecode(path),
# more logging
"loglevel": "9",
"log-dns-queries": "yes",
# backend
"launch": "bind",
"bind-config": os.fsdecode(await thread.spit(path/"named.conf",
'zone "%s" { file "%s"; };' % (
zone.origin.to_text(),
os.fsdecode(await thread.spit(path/"zone", zone.to_text()))))),
"enable-lua-records": "yes",
# relevant stuff
"local-address": ",".join(ipv4s),
"local-address-udp-fds": ",".join([f"{i}={await fd.as_argument()}" for i, (fd, _) in ipv4s.items()]),
"local-address-tcp-fds": ",".join([f"{i}={await fd.as_argument()}" for i, (_, fd) in ipv4s.items()]),
"local-ipv6": ",".join(ipv6s),
"local-ipv6-udp-fds": ",".join([f"{i}={await fd.as_argument()}" for i, (fd, _) in ipv6s.items()]),
"local-ipv6-tcp-fds": ",".join([f"{i}={await fd.as_argument()}" for i, (_, fd) in ipv6s.items()]),
}
print(config['local-address-udp-fds'])
child = await thread.exec(pdns_server.args(*[f"--{name}={value}" for name, value in config.items()]))
nursery.start_soon(child.check)
return Powerdns()
