难点在于DNS server的搭建,然而非常简单，安装dnslib就有DNS server:zoneresolver.py，稍作修改即可使用
# -*- coding: utf-8 -*-
from __future__ import print_function
import os
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "dj_apache.settings")
import django
django.setup()
import copy
import re
from dnslib import RR,QTYPE,RCODE
from dnslib.server import DNSServer,DNSHandler,BaseResolver,DNSLogger
from logview.models import *
class MysqlLogger():
def log_data(self, dnsobj):
pass
def log_error(self, handler, e):
pass
def log_pass(self, *args):
pass
def log_prefix(self, handler):
pass
def log_recv(self, handler, data):
pass
def log_reply(self, handler, reply):
pass
def log_request(self, handler, request):
domain = request.q.qname.__str__()
if domain.endswith('dnslog.ml.'):
udomain = re.search(r'\.([^\.]+)\.dnslog\.ml\.',domain)
if udomain:
user = User.objects.filter(udomain__exact=udomain.group(1))
if user:
dnslog = DNSLog(user=user[0],http_host=domain,type=QTYPE[request.q.qtype])
dnslog.save()
def log_send(self, handler, data):
pass
def log_truncated(self, handler, reply):
pass
class ZoneResolver(BaseResolver):
"""
Simple fixed zone file resolver.
"""
def __init__(self,zone,glob=False):
"""
Initialise resolver from zone file.
Stores RRs as a list of (label,type,rr) tuples
If 'glob' is True use glob match against zone file
"""
self.zone = [(rr.rname,QTYPE[rr.rtype],rr) for rr in RR.fromZone(zone)]
self.glob = glob
self.eq = 'matchGlob' if glob else '__eq__'
def resolve(self,request,handler):
"""
Respond to DNS request - parameters are request packet & handler.
Method is expected to return DNS response
"""
reply = request.reply()
qname = request.q.qname
qtype = QTYPE[request.q.qtype]
for name,rtype,rr in self.zone:
# Check if label & type match
if getattr(qname,self.eq)(name) and (qtype == rtype or
qtype == 'ANY' or
rtype == 'CNAME'):
# If we have a glob match fix reply label
if self.glob:
a = copy.copy(rr)
a.rname = qname
reply.add_answer(a)
else:
reply.add_answer(rr)
# Check for A/AAAA records associated with reply and
# add in additional section
if rtype in ['CNAME','NS','MX','PTR']:
for a_name,a_rtype,a_rr in self.zone:
if a_name == rr.rdata.label and a_rtype in ['A','AAAA']:
reply.add_ar(a_rr)
if not reply.rr:
reply.header.rcode = RCODE.NXDOMAIN
return reply
if __name__ == '__main__':
import argparse,sys,time
p = argparse.ArgumentParser(description="Zone DNS Resolver")
p.add_argument("--zone","-z",required=True,
metavar="<zone-file>",
help="Zone file ('-' for stdin)")
p.add_argument("--port","-p",type=int,default=53,
metavar="<port>",
help="Server port (default:53)")
p.add_argument("--address","-a",default="",
metavar="<address>",
help="Listen address (default:all)")
p.add_argument("--glob",action='store_true',default=False,
help="Glob match against zone file (default: false)")
p.add_argument("--udplen","-u",type=int,default=0,
metavar="<udplen>",
help="Max UDP packet length (default:0)")
args = p.parse_args()
if args.zone == '-':
args.zone = sys.stdin
else:
args.zone = open(args.zone)
resolver = ZoneResolver(args.zone,args.glob)
logger = MysqlLogger()
print("Starting Zone Resolver (%s:%d) [%s]" % (
args.address or "*",
args.port,
"UDP"))
for rr in resolver.zone:
print(" | ",rr[2].toZone(),sep="")
print()
if args.udplen:
DNSHandler.udplen = args.udplen
udp_server = DNSServer(resolver,
port=args.port,
address=args.address,
logger=logger)
udp_server.start()
zone.txt
*.dnslog.ml. IN NS ns1.howmp.com.
*.dnslog.ml. IN NS ns2.howmp.com.
*.dnslog.ml. IN A 106.186.118.146
使用命令python zoneresolver.py --zone zone.txt --glob 即可启动server
其中在log_request中加入自己的处理逻辑即可