def normal_response(self, data):
labels, _ = cache.unpack_name(data, 12)
logger.debug("udp resolv:%s", '.'.join(labels))
sock = socket(AF_INET, SOCK_DGRAM) # socket for the remote DNS server
sock.connect((DOMESTIC_DNS, REMOTE_UDP_DNS_PORT))
sock.sendall(data)
sock.settimeout(5)
try:
resp = sock.recv(65535)
except Exception, e:
logging.debug('%s ignored.', e)
return ''
def normal_response(self, data):
labels, _ = cache.unpack_name(data, 12)
logger.debug("udp resolv:%s", '.'.join(labels))
sock = socket(AF_INET, SOCK_DGRAM) # socket for the remote DNS server
sock.connect((DOMESTIC_DNS, REMOTE_UDP_DNS_PORT))
sock.sendall(data)
sock.settimeout(5)
try:
resp = sock.recv(65535)
except Exception, e:
logging.debug('%s ignored.', e)
return ''
def http_response(self, dns_req):
logger.debug("req :%s", dns_req.encode("hex"))
dns_header, dlen = unpack_dns_header(dns_req)
name_start = dlen
labels, name_end = unpack_name(dns_req, name_start)
domain_name = '.'.join(labels)
resp = httpdns_request(domain_name)
logger.debug("ips:%s", str(resp))
resp_header = construct_resp_header(dns_header, len(resp))
QTYPE_SIZE = 2
QCLASS_SIZE = 2
queries = dns_req[name_start:name_end + QTYPE_SIZE + QCLASS_SIZE]
records = ''.join([pack_a_record(name_start, r) for r in resp])
dns_resp = resp_header + queries + records
logger.debug("resp:%s", dns_resp.encode("hex"))
return dns_resp
def http_response(self, dns_req):
logger.debug("req :%s", dns_req.encode("hex"))
dns_header, dlen = unpack_dns_header(dns_req)
name_start = dlen
labels, name_end = unpack_name(dns_req, name_start)
domain_name = '.'.join(labels)
resp = httpdns_request(domain_name)
logger.debug("ips:%s", str(resp))
resp_header = construct_resp_header(dns_header, len(resp))
QTYPE_SIZE = 2
QCLASS_SIZE = 2
queries = dns_req[name_start:name_end + QTYPE_SIZE + QCLASS_SIZE]
records = ''.join([pack_a_record(name_start, r) for r in resp])
dns_resp = resp_header + queries + records
logger.debug("resp:%s", dns_resp.encode("hex"))
return dns_resp
