def proxyrequest(self, request, host, port="53", protocol="udp"):
reply = None
try:
if self.server.ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception, e:
print "[!] Could not proxy request: %s" % e
else:
return reply
# UDP DNS Handler for incoming requests
python类sendto()的实例源码
def proxyrequest(self, request, host, port="53", protocol="udp"):
clientip = {'clientip': self.client_address[0]}
reply = None
try:
if DNSChef().ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception as e:
# log.warning("Could not proxy request: {}".format(e), extra=clientip)
dnslog.info("Could not proxy request: {}".format(e), extra=clientip)
else:
return reply
def proxyrequest(self, request, host, port="53", protocol="udp"):
clientip = {'clientip': self.client_address[0]}
reply = None
try:
if DNSChef().ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception as e:
log.warning("Could not proxy request: {}".format(e), extra=clientip)
dnslog.info("Could not proxy request: {}".format(e), extra=clientip)
else:
return reply
def proxyrequest(self, request, host, port="53", protocol="udp"):
clientip = {'clientip': self.client_address[0]}
reply = None
try:
if DNSChef().ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception as e:
log.warning("Could not proxy request: {}".format(e), extra=clientip)
else:
return reply
def proxyrequest(self, request, host, port="53", protocol="udp"):
clientip = {'clientip': self.client_address[0]}
reply = None
try:
if DNSChef().ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception as e:
log.warning("Could not proxy request: {}".format(e), extra=clientip)
dnslog.info("Could not proxy request: {}".format(e), extra=clientip)
else:
return reply
def proxyrequest(self, request, host, port="53", protocol="udp"):
clientip = {'clientip': self.client_address[0]}
reply = None
try:
if DNSChef().ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception as e:
log.warning("Could not proxy request: {}".format(e), extra=clientip)
dnslog.info("Could not proxy request: {}".format(e), extra=clientip)
else:
return reply
def proxyrequest(self, request, host, port="53", protocol="udp"):
clientip = {'clientip': self.client_address[0]}
reply = None
try:
if DNSChef().ipv6:
if protocol == "udp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
if protocol == "udp":
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
elif protocol == "tcp":
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(3.0)
# Send the proxy request to a randomly chosen DNS server
if protocol == "udp":
sock.sendto(request, (host, int(port)))
reply = sock.recv(1024)
sock.close()
elif protocol == "tcp":
sock.connect((host, int(port)))
# Add length for the TCP request
length = binascii.unhexlify("%04x" % len(request))
sock.sendall(length+request)
# Strip length from the response
reply = sock.recv(1024)
reply = reply[2:]
sock.close()
except Exception as e:
log.warning("Could not proxy request: {}".format(e), extra=clientip)
dnslog.info("Could not proxy request: {}".format(e), extra=clientip)
else:
return reply
