crl-monitor/bin/x509/dumpx509subject.py

109 lines
3.4 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Tool to dump DN from DER encoded X.509 certificate (in Base64)
#
# Software is free software released under the GNU General Public License version 3 and later
#
# Copyright (c) 2014-2015 Alexandre Dulaunoy - a@foo.be
import fileinput
from M2Crypto import X509
import base64
import argparse
import redis
import sys
import os
def bpath(ha=None, level=6):
if ha is None:
return False
fn = ""
for i in range(0, level*2, 2):
fn = fn + "/"+ ha[i:2+i]
return fn
argParser = argparse.ArgumentParser(description='Dump DN from X.509 certificates')
argParser.add_argument('-c', action='store_true', default=True, help='Dump CSV')
argParser.add_argument('-s', action='store_true', default=False, help='Store in Redis')
argParser.add_argument('-b', default='127.0.0.1', help='Redis host (default is 127.0.0.1)')
argParser.add_argument('-p', default=6379, help='Redis TCP port (default is 6379)')
argParser.add_argument('-v', action='store_true', help='Verbose output')
argParser.add_argument('-k', default=False, action='store_true', help='Add certificate to keystore')
argParser.add_argument('-d', default=None, help='Certificate directory')
argParser.add_argument('-r', default='-', help='Read from a file, default is stdin')
argParser.add_argument('-i', default=False, action='store_true', help='Enable full-text indexing (default is disabled)')
args = argParser.parse_args()
if args.i:
from whoosh.index import create_in, exists_in, open_dir
from whoosh.fields import *
schema = Schema(path=ID(stored=True,unique=True), content=TEXT)
indexpath = '/tmp/findex'
if not os.path.exists(indexpath):
os.mkdir(indexpath)
if not exists_in(indexpath):
ix = create_in(indexpath, schema)
else:
ix = open_dir(indexpath)
writer = ix.writer()
if args.s:
try:
#Redis structure Set of (Subject) per FP
r = redis.StrictRedis(host=args.b, port=args.p)
except:
print "Unable to connect to the Redis server"
sys.exit(1)
if args.k:
if args.d is None:
print "You need to set the certificate directory -d"
sys.exit(1)
for cert in fileinput.input(args.r):
try:
fp = cert.split(",")[0]
certb = base64.b64decode(cert.split(",")[1])
except:
if args.v:
print "Padding error "+str(fileinput.lineno())
pass
if args.k:
p = args.d + "/" + bpath(ha=fp)
if not os.path.exists(p):
os.makedirs(p)
fn = os.path.join(p, fp)
if args.v:
print (fn)
if not os.path.exists(fn):
f = open(fn, 'w+')
f.write(certb)
f.close()
if args.v:
print "Certificate saved in "+fn
else:
if args.v:
print fn + " certificate already stored"
try:
x509 = X509.load_cert_string(certb, X509.FORMAT_DER)
except:
print "At line number "+str(fileinput.lineno())+" parsing error"
pass
subject = x509.get_subject().as_text()
issuer = x509.get_issuer().as_text()
if subject is not None:
if not args.s:
print fp+","+subject
if args.i:
writer.update_document(path=unicode(fp), content=unicode(subject)+" "+unicode(issuer))
elif args.s:
print (fp)
r.sadd(fp, subject)
else:
sys.exit(1)
if args.i:
writer.commit()