pdns-qof-server/qos_server/__init__.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# A pdns-qof compliant passive DNS interface for the pdns-toolkit
#
# https://github.com/adulau/pdns-qof-server/
# https://github.com/adulau/pdns-toolkit/
#
# The pdns-qof - Passive DNS Query Output Format Description are described at
#
# https://github.com/adulau/pdns-qof
#
# Software is free software released under the "Modified BSD license"
#
# Copyright (c) 2013 Alexandre Dulaunoy - a@foo.be

import tornado.escape
from tornado.ioloop import IOLoop
import tornado.web
import tornado.process
from tornado.concurrent import run_on_executor
from concurrent.futures import ThreadPoolExecutor

import argparse
from ipaddress import ip_address
import redis
import json
import sys
import signal


def handle_signal(sig, frame):
    IOLoop.instance().add_callback(IOLoop.instance().stop)


def getFirstSeen(t1=None, t2=None):
    if t1 is None or t2 is None:
        return False
    rec = "s:" + t1.lower() + ":" + t2.lower()
    recget = r.get(rec)
    if recget is not None:
        return int(recget.decode(encoding='UTF-8'))


def getLastSeen(t1=None, t2=None):
    if t1 is None or t2 is None:
        return False
    rec = "l:" + t1.lower() + ":" + t2.lower()
    recget = r.get(rec)
    if recget is not None:
        return int(recget.decode(encoding='UTF-8'))


def getCount(t1=None, t2=None):
    if t1 is None or t2 is None:
        return False
    rec = "o:" + t1.lower() + ":" + t2.lower()
    recget = r.get(rec)
    if recget is not None:
        return int(recget.decode(encoding='UTF-8'))


def getRecord(t=None):
    if t is None:
        return False
    rrfound = []
    for rr in rrset:
        if (rr['Value']) is not None and rr['Value'] in rrset_supported:
            rec = "r:" + t + ":" + rr['Value']
            rs = r.smembers(rec)
            if rs:
                for v in rs:
                    rrval = {}
                    rdata = v.decode(encoding='UTF-8').strip()
                    rrval['time_first'] = getFirstSeen(t1=t, t2=rdata)
                    rrval['time_last'] = getLastSeen(t1=t, t2=rdata)
                    if rrval['time_first'] is None:
                        break
                    rrval['count'] = getCount(t1=t, t2=rdata)
                    rrval['rrtype'] = rr['Type']
                    rrval['rrname'] = t
                    rrval['rdata'] = rdata
                    if origin:
                        rrval['origin'] = origin
                    rrfound.append(rrval)
    return rrfound


def getAssociatedRecords(rdata=None):
    if rdata is None:
        return False
    rec = "v:" + rdata.lower()
    records = []
    if r.smembers(rec):
        for v in r.smembers(rec):
            records.append(v.decode(encoding='UTF-8'))
    return records


def RemDuplicate(d=None):
    if d is None:
        return False
    outd = [dict(t) for t in set([tuple(o.items()) for o in d])]
    return outd


def JsonQOF(rrfound=None, RemoveDuplicate=True):
    if rrfound is None:
        return False
    rrqof = ""

    if RemoveDuplicate:
        rrfound = RemDuplicate(d=rrfound)

    for rr in rrfound:
        rrqof = rrqof + json.dumps(rr) + "\n"
    return rrqof


class InfoHandler(tornado.web.RequestHandler):
    def get(self):
        response = {'version': 'git',
                    'software': 'pdns-qof-server'}
        self.write(response)


def is_ip(q):
    try:
        ip_address(q)
        return True
    except:
        return False


class QueryHandler(tornado.web.RequestHandler):

    # Default value in Python 3.5
    # https://docs.python.org/3/library/concurrent.futures.html#concurrent.futures.ThreadPoolExecutor
    nb_threads = tornado.process.cpu_count() * 5
    executor = ThreadPoolExecutor(nb_threads)

    @run_on_executor
    def run_request(self, q):
        to_return = []
        if is_ip(q):
            for x in getAssociatedRecords(q):
                to_return.append(JsonQOF(getRecord(x)))
        else:
            to_return.append(JsonQOF(getRecord(t=q.strip())))
        return to_return

    @tornado.gen.coroutine
    def get(self, q):
        print("query: " + q)
        try:
            responses = yield self.run_request(q)
            for r in responses:
                self.write(r)
        except Exception as e:
            print('Something went wrong with {}:\n{}'.format(q, e))
        finally:
            self.finish()


class FullQueryHandler(tornado.web.RequestHandler):
    # Default value in Python 3.5
    # https://docs.python.org/3/library/concurrent.futures.html#concurrent.futures.ThreadPoolExecutor
    nb_threads = tornado.process.cpu_count() * 5
    executor = ThreadPoolExecutor(nb_threads)

    @run_on_executor
    def run_request(self, q):
        to_return = []
        if is_ip(q):
            for x in getAssociatedRecords(q):
                to_return.append(JsonQOF(getRecord(x)))
        else:
            for x in getAssociatedRecords(q):
                to_return.append(JsonQOF(getRecord(t=x.strip())))
        return to_return

    @tornado.gen.coroutine
    def get(self, q):
        print("fquery: " + q)
        try:
            responses = yield self.run_request(q)
            for r in responses:
                self.write(r)
        except Exception as e:
            print('Something went wrong with {}:\n{}'.format(q, e))
        finally:
            self.finish()


def main():
    global rrset
    global r
    global rrset_supported
    global origin
    signal.signal(signal.SIGINT, handle_signal)
    signal.signal(signal.SIGTERM, handle_signal)
    argParser = argparse.ArgumentParser(description='qof-server server')
    argParser.add_argument('-p', default=8888, help='qof-server TCP port (default 8888)')
    argParser.add_argument('-l', default='localhost', help='misp-modules listen address (default localhost)')
    args = argParser.parse_args()
    port = args.p
    listen = args.l

    rrset = [
        {"Reference": "[RFC1035]", "Type": "A", "Value": "1", "Meaning": "a host address", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "NS", "Value": "2", "Meaning": "an authoritative name server", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MD", "Value": "3", "Meaning": "a mail destination (OBSOLETE - use MX)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MF", "Value": "4", "Meaning": "a mail forwarder (OBSOLETE - use MX)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "CNAME", "Value": "5", "Meaning": "the canonical name for an alias", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "SOA", "Value": "6", "Meaning": "marks the start of a zone of authority", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MB", "Value": "7", "Meaning": "a mailbox domain name (EXPERIMENTAL)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MG", "Value": "8", "Meaning": "a mail group member (EXPERIMENTAL)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MR", "Value": "9", "Meaning": "a mail rename domain name (EXPERIMENTAL)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "NULL", "Value": "10", "Meaning": "a null RR (EXPERIMENTAL)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "WKS", "Value": "11", "Meaning": "a well known service description", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "PTR", "Value": "12", "Meaning": "a domain name pointer", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "HINFO", "Value": "13", "Meaning": "host information", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MINFO", "Value": "14", "Meaning": "mailbox or mail list information", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MX", "Value": "15", "Meaning": "mail exchange", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "TXT", "Value": "16", "Meaning": "text strings", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1183]", "Type": "RP", "Value": "17", "Meaning": "for Responsible Person", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1183][RFC5864]", "Type": "AFSDB", "Value": "18", "Meaning": "for AFS Data Base location", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1183]", "Type": "X25", "Value": "19", "Meaning": "for X.25 PSDN address", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1183]", "Type": "ISDN", "Value": "20", "Meaning": "for ISDN address", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1183]", "Type": "RT", "Value": "21", "Meaning": "for Route Through", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1706]", "Type": "NSAP", "Value": "22", "Meaning": "for NSAP address, NSAP style A record", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1348][RFC1637][RFC1706]", "Type": "NSAP-PTR", "Value": "23", "Meaning": "for domain name pointer, NSAP style", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4034][RFC3755][RFC2535][RFC2536][RFC2537][RFC2931][RFC3110][RFC3008]", "Type": "SIG", "Value": "24", "Meaning": "for security signature", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4034][RFC3755][RFC2535][RFC2536][RFC2537][RFC2539][RFC3008][RFC3110]", "Type": "KEY", "Value": "25", "Meaning": "for security key", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC2163]", "Type": "PX", "Value": "26", "Meaning": "X.400 mail mapping information", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1712]", "Type": "GPOS", "Value": "27", "Meaning": "Geographical Position", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC3596]", "Type": "AAAA", "Value": "28", "Meaning": "IP6 Address", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1876]", "Type": "LOC", "Value": "29", "Meaning": "Location Information", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC3755][RFC2535]", "Type": "NXT", "Value": "30", "Meaning": "Next Domain (OBSOLETE)", "Template": "", "Registration Date": ""},
        {"Reference": "[Michael_Patton][http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt]", "Type": "EID", "Value": "31", "Meaning": "Endpoint Identifier", "Template": "", "Registration Date": "1995-06"},
        {"Reference": "[1][Michael_Patton][http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt]", "Type": "NIMLOC", "Value": "32", "Meaning": "Nimrod Locator", "Template": "", "Registration Date": "1995-06"},
        {"Reference": "[1][RFC2782]", "Type": "SRV", "Value": "33", "Meaning": "Server Selection", "Template": "", "Registration Date": ""},
        {"Reference": "[\n        ATM Forum Technical Committee, \"ATM Name System, V2.0\", Doc ID: AF-DANS-0152.000, July 2000. Available from and held in escrow by IANA.]", "Type": "ATMA", "Value": "34", "Meaning": "ATM Address", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC2915][RFC2168][RFC3403]", "Type": "NAPTR", "Value": "35", "Meaning": "Naming Authority Pointer", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC2230]", "Type": "KX", "Value": "36", "Meaning": "Key Exchanger", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4398]", "Type": "CERT", "Value": "37", "Meaning": "CERT", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC3226][RFC2874][RFC6563]", "Type": "A6", "Value": "38", "Meaning": "A6 (OBSOLETE - use AAAA)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC6672]", "Type": "DNAME", "Value": "39", "Meaning": "DNAME", "Template": "", "Registration Date": ""},
        {"Reference": "[Donald_E_Eastlake][http://tools.ietf.org/html/draft-eastlake-kitchen-sink]", "Type": "SINK", "Value": "40", "Meaning": "SINK", "Template": "", "Registration Date": "1997-11"},
        {"Reference": "[RFC6891][RFC3225]", "Type": "OPT", "Value": "41", "Meaning": "OPT", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC3123]", "Type": "APL", "Value": "42", "Meaning": "APL", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4034][RFC3658]", "Type": "DS", "Value": "43", "Meaning": "Delegation Signer", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4255]", "Type": "SSHFP", "Value": "44", "Meaning": "SSH Key Fingerprint", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4025]", "Type": "IPSECKEY", "Value": "45", "Meaning": "IPSECKEY", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4034][RFC3755]", "Type": "RRSIG", "Value": "46", "Meaning": "RRSIG", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4034][RFC3755]", "Type": "NSEC", "Value": "47", "Meaning": "NSEC", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4034][RFC3755]", "Type": "DNSKEY", "Value": "48", "Meaning": "DNSKEY", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC4701]", "Type": "DHCID", "Value": "49", "Meaning": "DHCID", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC5155]", "Type": "NSEC3", "Value": "50", "Meaning": "NSEC3", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC5155]", "Type": "NSEC3PARAM", "Value": "51", "Meaning": "NSEC3PARAM", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC6698]", "Type": "TLSA", "Value": "52", "Meaning": "TLSA", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC5205]", "Type": "HIP", "Value": "55", "Meaning": "Host Identity Protocol", "Template": "", "Registration Date": ""},
        {"Reference": "[Jim_Reid]", "Type": "NINFO", "Value": "56", "Meaning": "NINFO", "Template": "NINFO/ninfo-completed-template", "Registration Date": "2008-01-21"},
        {"Reference": "[Jim_Reid]", "Type": "RKEY", "Value": "57", "Meaning": "RKEY", "Template": "RKEY/rkey-completed-template", "Registration Date": "2008-01-21"},
        {"Reference": "[Wouter_Wijngaards]", "Type": "TALINK", "Value": "58", "Meaning": "Trust Anchor LINK", "Template": "TALINK/talink-completed-template", "Registration Date": "2010-02-17"},
        {"Reference": "[George_Barwood]", "Type": "CDS", "Value": "59", "Meaning": "Child DS", "Template": "CDS/cds-completed-template", "Registration Date": "2011-06-06"},
        {"Reference": "[RFC4408]", "Type": "SPF", "Value": "99", "Meaning": "", "Template": "", "Registration Date": ""},
        {"Reference": "[IANA-Reserved]", "Type": "UINFO", "Value": "100", "Meaning": "", "Template": "", "Registration Date": ""},
        {"Reference": "[IANA-Reserved]", "Type": "UID", "Value": "101", "Meaning": "", "Template": "", "Registration Date": ""},
        {"Reference": "[IANA-Reserved]", "Type": "GID", "Value": "102", "Meaning": "", "Template": "", "Registration Date": ""},
        {"Reference": "[IANA-Reserved]", "Type": "UNSPEC", "Value": "103", "Meaning": "", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC6742]", "Type": "NID", "Value": "104", "Meaning": "", "Template": "ILNP/nid-completed-template", "Registration Date": ""},
        {"Reference": "[RFC6742]", "Type": "L32", "Value": "105", "Meaning": "", "Template": "ILNP/l32-completed-template", "Registration Date": ""},
        {"Reference": "[RFC6742]", "Type": "L64", "Value": "106", "Meaning": "", "Template": "ILNP/l64-completed-template", "Registration Date": ""},
        {"Reference": "[RFC6742]", "Type": "LP", "Value": "107", "Meaning": "", "Template": "ILNP/lp-completed-template", "Registration Date": ""},
        {"Reference": "[RFC7043]", "Type": "EUI48", "Value": "108", "Meaning": "an EUI-48 address", "Template": "EUI48/eui48-completed-template", "Registration Date": "2013-03-27"},
        {"Reference": "[RFC7043]", "Type": "EUI64", "Value": "109", "Meaning": "an EUI-64 address", "Template": "EUI64/eui64-completed-template", "Registration Date": "2013-03-27"},
        {"Reference": "[RFC2930]", "Type": "TKEY", "Value": "249", "Meaning": "Transaction Key", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC2845]", "Type": "TSIG", "Value": "250", "Meaning": "Transaction Signature", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1995]", "Type": "IXFR", "Value": "251", "Meaning": "incremental transfer", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035][RFC5936]", "Type": "AXFR", "Value": "252", "Meaning": "transfer of an entire zone", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MAILB", "Value": "253", "Meaning": "mailbox-related RRs (MB, MG or MR)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035]", "Type": "MAILA", "Value": "254", "Meaning": "mail agent RRs (OBSOLETE - see MX)", "Template": "", "Registration Date": ""},
        {"Reference": "[RFC1035][RFC6895]", "Type": "*", "Value": "255", "Meaning": "A request for all records the server/cache has available", "Template": "", "Registration Date": ""},
        {"Reference": "[Patrik_Faltstrom]", "Type": "URI", "Value": "256", "Meaning": "URI", "Template": "URI/uri-completed-template", "Registration Date": "2011-02-22"},
        {"Reference": "[RFC6844]", "Type": "CAA", "Value": "257", "Meaning": "Certification Authority Restriction", "Template": "CAA/caa-completed-template", "Registration Date": "2011-04-07"},
        {"Reference": "[Sam_Weiler][http://cameo.library.cmu.edu/][\n        Deploying DNSSEC Without a Signed Root.  Technical Report 1999-19,\nInformation Networking Institute, Carnegie Mellon University, April 2004.]", "Type": "TA", "Value": "32768", "Meaning": "DNSSEC Trust Authorities", "Template": "", "Registration Date": "2005-12-13"},
        {"Reference": "[RFC4431]", "Type": "DLV", "Value": "32769", "Meaning": "DNSSEC Lookaside Validation", "Template": "", "Registration Date": ""},
        {"Reference": "", "Type": "Reserved", "Value": "65535", "Meaning": "", "Template": "", "Registration Date": ""}]

    r = redis.StrictRedis(host='localhost', port=6379, db=0)

    rrset_supported = ['1', '2', '5', '15', '28', '33']

    origin = "https://www.circl.lu/pdns/"

    application = tornado.web.Application([
        (r"/query/(.*)", QueryHandler),
        (r"/fquery/(.*)", FullQueryHandler),
        (r"/info", InfoHandler)
    ])

    application.listen(port, address=listen)
    IOLoop.instance().start()
    IOLoop.instance().stop()
    return 0

if __name__ == '__main__':
    sys.exit(main())
elif __name__ == "test":
    qq = ["foo.be", "8.8.8.8"]

    for q in qq:
        if iptools.ipv4.validate_ip(q) or iptools.ipv6.validate_ip(q):
            for x in getAssociatedRecords(q):
                print(JsonQOF(getRecord(x)))
        else:
                print(JsonQOF(getRecord(t=q)))