mirror of
https://github.com/adulau/crl-monitor.git
synced 2024-11-22 10:07:05 +00:00
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Lookup IP for known fingerprints and X.509 subjects via HTTP API
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#
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# Software is free software released under the GNU General Public License version 3 and later
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#
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# Copyright (c) 2015 Alexandre Dulaunoy - a@foo.be
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import redis
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import sys
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import netaddr
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import json
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import re
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import tornado.httpserver
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import tornado.ioloop
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import tornado.options
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import tornado.web
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from tornado.options import define, options
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define("port", default=8888, help="run on the given port", type=int)
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ipmaxsize = 512 #/23
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class SSLQueryHandler(tornado.web.RequestHandler):
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def get(self, input):
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try:
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#Redis structure Set of (FP) per IP
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r = redis.StrictRedis(host='127.0.0.1', port=6381)
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except:
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print "Unable to connect to the Redis server"
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sys.exit(255)
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subnets = [input]
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out = {}
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for subnet in subnets:
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if re.findall(r":", subnet):
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self.clear()
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self.set_status(400)
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self.finish('IPv6 is not (yet) supported')
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continue
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try:
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iplist = netaddr.IPNetwork(subnet)
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except:
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self.clear()
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self.set_status(400)
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self.finish('Incorrect format')
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continue
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if iplist.size > ipmaxsize:
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self.clear()
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self.set_status(400)
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self.finish('Maximum CIDR block size reached >/23')
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if not self._finished:
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self.finish()
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for ip in iplist:
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s = r.smembers(ip)
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if s:
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out[str(ip)] = []
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for fingerprint in s:
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subjects = r.smembers(fingerprint)
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if subjects:
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for subject in subjects:
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out[str(ip)].append(subject)
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else:
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out[str(ip)].append(fingerprint)
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if not self._finished:
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self.set_header('Content-Type', 'application/json')
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self.set_header('Server', 'https://github.com/adulau/crl-monitor')
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self.write(json.dumps(out))
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if __name__ == "__main__":
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tornado.options.parse_command_line()
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app = tornado.web.Application(handlers=[
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(r"/query/(.*)", SSLQueryHandler),
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])
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http_server = tornado.httpserver.HTTPServer(app)
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http_server.listen(options.port)
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tornado.ioloop.IOLoop.instance().start()
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