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#!/usr/bin/python
# Usage: iploc.py </path/to/log> </path/to/output>
#import IP2Location
import IP2Location_cached as IP2Location
import atexit
import fileinput
import re
import struct
import sys
import os
import optparse
import socket
import traceback
import logging
from bsddb3 import db
def load_config(fname):
d = {}
f = open(fname)
for l in f:
l = l.strip()
if not l or l[0] == "#":
continue
key, val = l.split("=", 1)
if val[0] in ("'", '"'):
assert val[0] == val[-1]
val = val[1:-1]
d[key] = val
return d
def get_path(fname):
if fname[0] == "/":
return fname
# emulate shell evaluation of "$PWD"
if fname.startswith("$PWD/"):
return fname.replace("$PWD/", mypath + "/")
return fname
mypath = os.path.dirname(sys.argv[0])
if not mypath:
mypath = "."
config_name = os.path.join(mypath, "config")
config = None
REVERSE_DNS_DB = db.DB()
temp_ident = ""
temp_user = ""
def get_reverse_dns(ip_address):
# XXX: this works only with IPv4 addresses (because dnshistory works only with IPv4)
# The keys in the the reverse DNS db are stored as a char encoded string
# made from the single octet of the IP address.
key = socket.inet_aton(ip_address)
value = REVERSE_DNS_DB.get(key)
if value is None:
return None
struct_sz = struct.calcsize("li")
assert len(value) > struct_sz
last_date, num_rec = struct.unpack("li", value[:struct_sz])
value = value[struct_sz:]
assert num_rec > 0
for i in xrange(num_rec):
# struct module doesn't support variable-length fields,
# so we need to do manual munging
date = struct.unpack_from("l", value)
value = value[struct.calcsize("l"):]
i = value.index("\0")
fqdn = value[:i]
value = value[i:]
# Return last fqdn, which is the latest
# XXX: really should do time-based lookups for best precision
return fqdn
def main(file_names):
global config
config = load_config(config_name)
IP2LocObj = IP2Location.IP2Location()
IP2LocObj.open(get_path(config["LOC_DB_FILE"]))
IP2LocObj.load_index()
REVERSE_DNS_DB.open(get_path(config["DNSHISTORY_DB"]), dbtype=db.DB_BTREE)
atexit.register(REVERSE_DNS_DB.close)
fi = fileinput.input([file_names])
for line in fi:
locations = []
match = re.search('\d+\.\d+\.\d+\.\d+\s[^ ]+\s[^ ]+', line)
if match:
try:
raw_data = match.group()
data = raw_data.split()
ip = get_reverse_dns(data[0]) or data[0]
ident = data[1]
user = data[2]
rec = IP2LocObj.get_all(data[0])
country_short = rec.country_short
region = rec.region
city = rec.city
isp = rec.isp
except Exception as e:
log.exception("Exception while processing %s:%s: '%s':", fi.filename(), fi.filelineno(), line)
continue
if country_short != '-':
locations.append(country_short)
if region != '-':
locations.append(region)
if city != '-':
locations.append(city)
temp_ident = ' '.join(locations)
if temp_ident:
temp_ident = '"{0}"'.format(temp_ident)
else:
temp_ident = ident
if isp != '-':
temp_user = '"{0}"'.format(isp)
else:
temp_user = user
temp = ip + ' ' + temp_ident + ' ' + temp_user
sys.stdout.write(line.replace(raw_data, temp))
del locations
if __name__ == '__main__':
logging.basicConfig(level=logging.INFO)
log = logging.getLogger(__file__)
from optparse import OptionParser
optparser = OptionParser()
optparser.add_option("--config",
help="Use this config file", metavar="FILE")
options, args = optparser.parse_args()
if options.config:
config_name = options.config
main(args[0])
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