252 lines
9.1 KiB
Python
Executable File
252 lines
9.1 KiB
Python
Executable File
#!/usr/bin/env python
|
|
import socket
|
|
import sys
|
|
|
|
from argparse import ArgumentParser, SUPPRESS
|
|
from datetime import datetime
|
|
from ssl import PROTOCOL_TLSv1
|
|
|
|
try:
|
|
from OpenSSL import SSL
|
|
except ImportError:
|
|
print('Required module does not exist. Install: pip install pyopenssl')
|
|
sys.exit(1)
|
|
|
|
|
|
class Clr:
|
|
"""Text colors."""
|
|
|
|
RST = '\033[39m'
|
|
RED = '\033[31m'
|
|
GREEN = '\033[32m'
|
|
YELLOW = '\033[33m'
|
|
|
|
|
|
def get_cert(host, port, user_args):
|
|
"""Connection to the host."""
|
|
if user_args.socks:
|
|
import socks
|
|
socks_host, socks_port = filter_hostname(user_args.socks)
|
|
socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, socks_host, int(socks_port), True)
|
|
socket.socket = socks.socksocket
|
|
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
osobj = SSL.Context(PROTOCOL_TLSv1)
|
|
sock.connect((host, int(port)))
|
|
oscon = SSL.Connection(osobj, sock)
|
|
oscon.set_tlsext_host_name(host.encode())
|
|
oscon.set_connect_state()
|
|
oscon.do_handshake()
|
|
cert = oscon.get_peer_certificate()
|
|
sock.close()
|
|
|
|
return cert
|
|
|
|
|
|
def analyze_ssl(host, context):
|
|
"""Analyze the security of the SSL certificate."""
|
|
from json import loads
|
|
try:
|
|
from urllib.request import urlopen
|
|
except ImportError:
|
|
from urllib2 import urlopen
|
|
|
|
api_url = 'https://api.ssllabs.com/api/v3/'
|
|
counter = 0
|
|
|
|
while True:
|
|
main_request = loads(urlopen(api_url + 'analyze?host={}'.format(host)).read().decode('utf-8'))
|
|
if main_request['status'] in ['DNS', 'IN_PROGRESS']:
|
|
print('Analyzing {}. Please wait'.format(host) + '.' * counter)
|
|
sys.stdout.write("\033[F")
|
|
counter += 1
|
|
continue
|
|
elif main_request['status'] == 'READY':
|
|
break
|
|
|
|
context[host]['grade'] = main_request['endpoints'][0]['grade']
|
|
endpoint_data = loads(urlopen(api_url + 'getEndpointData?host={}&s={}'.format(host, main_request['endpoints'][0]['ipAddress'])).read().decode('utf-8'))
|
|
|
|
context[host]['poodle_vuln'] = endpoint_data['details']['poodle']
|
|
context[host]['heartbleed_vuln'] = endpoint_data['details']['heartbleed']
|
|
context[host]['heartbeat_vuln'] = endpoint_data['details']['heartbeat']
|
|
context[host]['freak_vuln'] = endpoint_data['details']['freak']
|
|
context[host]['logjam_vuln'] = endpoint_data['details']['logjam']
|
|
context[host]['drownVulnerable'] = endpoint_data['details']['drownVulnerable']
|
|
|
|
return context
|
|
|
|
|
|
def get_cert_info(host, cert):
|
|
"""Get all the information about cert and create a JSON file."""
|
|
context = {}
|
|
|
|
cert_subject = cert.get_subject()
|
|
|
|
context['issued_to'] = cert_subject.CN
|
|
context['issued_o'] = cert_subject.O
|
|
context['issuer_c'] = cert.get_issuer().countryName
|
|
context['issuer_o'] = cert.get_issuer().organizationName
|
|
context['issuer_ou'] = cert.get_issuer().organizationalUnitName
|
|
context['issuer_cn'] = cert.get_issuer().commonName
|
|
context['cert_sn'] = cert.get_serial_number()
|
|
context['cert_alg'] = cert.get_signature_algorithm().decode()
|
|
context['cert_ver'] = cert.get_version()
|
|
context['cert_exp'] = cert.has_expired()
|
|
|
|
# Valid from
|
|
valid_from = datetime.strptime(cert.get_notBefore().decode('ascii'),
|
|
'%Y%m%d%H%M%SZ')
|
|
context['valid_from'] = valid_from.strftime('%Y-%m-%d')
|
|
|
|
# Valid till
|
|
valid_till = datetime.strptime(cert.get_notAfter().decode('ascii'),
|
|
'%Y%m%d%H%M%SZ')
|
|
context['valid_till'] = valid_till.strftime('%Y-%m-%d')
|
|
|
|
# Validity days
|
|
context['validity_days'] = (valid_till - valid_from).days
|
|
|
|
return context
|
|
|
|
|
|
def print_status(host, context, analyze=False):
|
|
"""Print all the usefull info about host."""
|
|
days_left = (datetime.strptime(context[host]['valid_till'], '%Y-%m-%d') - datetime.now()).days
|
|
|
|
print('\t{}[+]{} {}\n'.format(Clr.GREEN, Clr.RST, host))
|
|
print('\t\tIssued domain: {}'.format(context[host]['issued_to']))
|
|
print('\t\tIssued to: {}'.format(context[host]['issued_o']))
|
|
print('\t\tIssued by: {} ({})'.format(context[host]['issuer_o'], context[host]['issuer_c']))
|
|
print('\t\tValid from: {}'.format(context[host]['valid_from']))
|
|
print('\t\tValid to: {} ({} days left)'.format(context[host]['valid_till'], days_left))
|
|
print('\t\tValidity days: {}'.format(context[host]['validity_days']))
|
|
print('\t\tCertificate S/N: {}'.format(context[host]['cert_sn']))
|
|
print('\t\tCertificate version: {}'.format(context[host]['cert_ver']))
|
|
print('\t\tCertificate algorithm: {}'.format(context[host]['cert_alg']))
|
|
|
|
if analyze:
|
|
print('\t\tCertificate grade: {}'.format(context[host]['grade']))
|
|
print('\t\tPoodle vulnerability: {}'.format(context[host]['poodle_vuln']))
|
|
print('\t\tHeartbleed vulnerability: {}'.format(context[host]['heartbleed_vuln']))
|
|
print('\t\tHearbeat vulnerability: {}'.format(context[host]['heartbeat_vuln']))
|
|
print('\t\tFreak vulnerability: {}'.format(context[host]['freak_vuln']))
|
|
print('\t\tLogjam vulnerability: {}'.format(context[host]['logjam_vuln']))
|
|
print('\t\tDrown vulnerability: {}'.format(context[host]['drownVulnerable']))
|
|
|
|
|
|
print('\t\tExpired: {}\n'.format(context[host]['cert_exp']))
|
|
|
|
|
|
def show_result(user_args):
|
|
"""Get the context."""
|
|
context = {}
|
|
failed_cnt = 0
|
|
hosts = user_args.hosts
|
|
|
|
if not user_args.json_true:
|
|
print('Analyzing {} host(s):\n{}\n'.format(len(hosts), '-' * 21))
|
|
|
|
if not user_args.json_true and user_args.analyze:
|
|
print('{}Warning: -a/--analyze is enabled. It takes more time...{}\n'.format(Clr.YELLOW, Clr.RST))
|
|
|
|
for host in hosts:
|
|
host, port = filter_hostname(host)
|
|
|
|
# Check duplication
|
|
if host in context.keys():
|
|
continue
|
|
|
|
try:
|
|
cert = get_cert(host, port, user_args)
|
|
context[host] = get_cert_info(host, cert)
|
|
|
|
# Analyze the certificate if enabled
|
|
if user_args.analyze:
|
|
context = analyze_ssl(host, context)
|
|
|
|
if not user_args.json_true:
|
|
print_status(host, context, user_args.analyze)
|
|
except Exception as error:
|
|
if not user_args.json_true:
|
|
print('\t{}[-]{} {:<20s} Failed: {}\n'.format(Clr.RED, Clr.RST, host, error))
|
|
failed_cnt += 1
|
|
except KeyboardInterrupt:
|
|
print('{}Canceling script...{}\n'.format(Clr.YELLOW, Clr.RST))
|
|
sys.exit(1)
|
|
|
|
|
|
if not user_args.json_true:
|
|
print('\n{} successful and {} failed\n'.format(len(hosts) - failed_cnt, failed_cnt))
|
|
|
|
# CSV export if -c/--csv is specified
|
|
if user_args.csv_enabled:
|
|
export_csv(context, user_args.csv_enabled)
|
|
|
|
# Enable JSON output if -j/--json argument specified
|
|
if user_args.json_true:
|
|
if user_args.pretty_output:
|
|
from pprint import pprint
|
|
pprint(context)
|
|
else:
|
|
print(context)
|
|
|
|
|
|
def export_csv(context, filename):
|
|
"""Export all context results to CSV file."""
|
|
with open(filename, 'w') as csv_file:
|
|
for host in context.keys():
|
|
csv_file.write('{}\n'.format(host))
|
|
for key, value in context[host].items():
|
|
csv_file.write('{},{}\n'.format(key, value))
|
|
|
|
|
|
def filter_hostname(host):
|
|
"""Remove unused characters and split by address and port."""
|
|
host = host.replace('http://', '').replace('https://', '').replace('/', '')
|
|
port = 443
|
|
if ':' in host:
|
|
host, port = host.split(':')
|
|
|
|
return host, port
|
|
|
|
|
|
def get_args():
|
|
"""Set argparse options."""
|
|
parser = ArgumentParser(prog='ssl_checker.py', add_help=False,
|
|
description="""Collects useful information about given host's SSL certificates.""")
|
|
parser.add_argument('-H', '--host', dest='hosts', nargs='*', required=True,
|
|
help='Hosts as input separated by space')
|
|
parser.add_argument('-s', '--socks', dest='socks',
|
|
default=False, metavar='HOST:PORT',
|
|
help='Enable SOCKS proxy for connection')
|
|
parser.add_argument('-c', '--csv', dest='csv_enabled',
|
|
default=False, metavar='FILENAME.CSV',
|
|
help='Enable CSV file export')
|
|
parser.add_argument('-j', '--json', dest='json_true',
|
|
action='store_true', default=False,
|
|
help='Enable JSON in the output')
|
|
parser.add_argument('-a', '--analyze', dest='analyze',
|
|
default=False, action='store_true',
|
|
help='Enable SSL security analysis on the host')
|
|
parser.add_argument('-p', '--pretty', dest='pretty_output',
|
|
action='store_true', default=False,
|
|
help='Print pretty and more human readable Json')
|
|
parser.add_argument('-h', '--help', default=SUPPRESS,
|
|
action='help',
|
|
help='Show this help message and exit')
|
|
|
|
args = parser.parse_args()
|
|
|
|
# Checks hosts list
|
|
if isinstance(args.hosts, list):
|
|
if len(args.hosts) == 0:
|
|
parser.print_help()
|
|
sys.exit(0)
|
|
|
|
return args
|
|
|
|
|
|
if __name__ == '__main__':
|
|
show_result(get_args())
|