Merge pull request #2255 from sirferl/ADCS-plugin

ADCS (MS AD-PKI) plugin
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Curtis 2019-02-05 09:48:02 -08:00 committed by GitHub
commit 35158ed933
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5 changed files with 128 additions and 2 deletions

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@ -0,0 +1,6 @@
"""Set the version information."""
try:
VERSION = __import__('pkg_resources') \
.get_distribution(__name__).version
except Exception as e:
VERSION = 'unknown'

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@ -0,0 +1,116 @@
from lemur.plugins.bases import IssuerPlugin, SourcePlugin
import requests
from lemur.plugins import lemur_adcs as ADCS
from certsrv import Certsrv
from OpenSSL import crypto
from flask import current_app
class ADCSIssuerPlugin(IssuerPlugin):
title = 'ADCS'
slug = 'adcs-issuer'
description = 'Enables the creation of certificates by ADCS (Active Directory Certificate Services)'
version = ADCS.VERSION
author = 'sirferl'
author_url = 'https://github.com/sirferl/lemur'
def __init__(self, *args, **kwargs):
"""Initialize the issuer with the appropriate details."""
self.session = requests.Session()
super(ADCSIssuerPlugin, self).__init__(*args, **kwargs)
@staticmethod
def create_authority(options):
"""Create an authority.
Creates an authority, this authority is then used by Lemur to
allow a user to specify which Certificate Authority they want
to sign their certificate.
:param options:
:return:
"""
adcs_root = current_app.config.get('ADCS_ROOT')
adcs_issuing = current_app.config.get('ADCS_ISSUING')
role = {'username': '', 'password': '', 'name': 'adcs'}
return adcs_root, adcs_issuing, [role]
def create_certificate(self, csr, issuer_options):
adcs_server = current_app.config.get('ADCS_SERVER')
adcs_user = current_app.config.get('ADCS_USER')
adcs_pwd = current_app.config.get('ADCS_PWD')
adcs_auth_method = current_app.config.get('ADCS_AUTH_METHOD')
adcs_template = current_app.config.get('ADCS_TEMPLATE')
ca_server = Certsrv(adcs_server, adcs_user, adcs_pwd, auth_method=adcs_auth_method)
current_app.logger.info("Requesting CSR: {0}".format(csr))
current_app.logger.info("Issuer options: {0}".format(issuer_options))
cert, req_id = ca_server.get_cert(csr, adcs_template, encoding='b64').decode('utf-8').replace('\r\n', '\n')
chain = ca_server.get_ca_cert(encoding='b64').decode('utf-8').replace('\r\n', '\n')
return cert, chain, req_id
def revoke_certificate(self, certificate, comments):
raise NotImplementedError('Not implemented\n', self, certificate, comments)
def get_ordered_certificate(self, order_id):
raise NotImplementedError('Not implemented\n', self, order_id)
def canceled_ordered_certificate(self, pending_cert, **kwargs):
raise NotImplementedError('Not implemented\n', self, pending_cert, **kwargs)
class ADCSSourcePlugin(SourcePlugin):
title = 'ADCS'
slug = 'adcs-source'
description = 'Enables the collecion of certificates'
version = ADCS.VERSION
author = 'sirferl'
author_url = 'https://github.com/sirferl/lemur'
options = [
{
'name': 'dummy',
'type': 'str',
'required': False,
'validation': '/^[0-9]{12,12}$/',
'helpMessage': 'Just to prevent error'
}
]
def get_certificates(self, options, **kwargs):
adcs_server = current_app.config.get('ADCS_SERVER')
adcs_user = current_app.config.get('ADCS_USER')
adcs_pwd = current_app.config.get('ADCS_PWD')
adcs_auth_method = current_app.config.get('ADCS_AUTH_METHOD')
adcs_start = current_app.config.get('ADCS_START')
adcs_stop = current_app.config.get('ADCS_STOP')
ca_server = Certsrv(adcs_server, adcs_user, adcs_pwd, auth_method=adcs_auth_method)
out_certlist = []
for id in range(adcs_start, adcs_stop):
try:
cert = ca_server.get_existing_cert(id, encoding='b64').decode('utf-8').replace('\r\n', '\n')
except Exception as err:
if '{0}'.format(err).find("CERTSRV_E_PROPERTY_EMPTY"):
# this error indicates end of certificate list(?), so we stop
break
else:
# We do nothing in case there is no certificate returned for other reasons
current_app.logger.info("Error with id {0}: {1}".format(id, err))
else:
# we have a certificate
pubkey = crypto.load_certificate(crypto.FILETYPE_PEM, cert)
# loop through extensions to see if we find "TLS Web Server Authentication"
for e_id in range(0, pubkey.get_extension_count() - 1):
try:
extension = '{0}'.format(pubkey.get_extension(e_id))
except Exception:
extensionn = ''
if extension.find("TLS Web Server Authentication") != -1:
out_certlist.append({
'name': format(pubkey.get_subject().CN),
'body': cert})
break
return out_certlist
def get_endpoints(self, options, **kwargs):
# There are no endpoints in the ADCS
raise NotImplementedError('Not implemented\n', self, options, **kwargs)

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@ -8,6 +8,7 @@ boto3
botocore
celery[redis]
certifi
certsrv
CloudFlare
cryptography
dnspython3
@ -42,4 +43,4 @@ retrying
six
SQLAlchemy-Utils
tabulate
xmltodict
xmltodict

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@ -19,6 +19,7 @@ boto3==1.9.86
botocore==1.12.86
celery[redis]==4.2.1
certifi==2018.11.29
certsrv==2.1.0
cffi==1.11.5 # via bcrypt, cryptography, pynacl
chardet==3.0.4 # via requests
click==7.0 # via flask

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@ -154,7 +154,9 @@ setup(
'digicert_cis_issuer = lemur.plugins.lemur_digicert.plugin:DigiCertCISIssuerPlugin',
'digicert_cis_source = lemur.plugins.lemur_digicert.plugin:DigiCertCISSourcePlugin',
'csr_export = lemur.plugins.lemur_csr.plugin:CSRExportPlugin',
'sftp_destination = lemur.plugins.lemur_sftp.plugin:SFTPDestinationPlugin'
'sftp_destination = lemur.plugins.lemur_sftp.plugin:SFTPDestinationPlugin',
'adcs_issuer = lemur.plugins.lemur_adcs.plugin:ADCSIssuerPlugin',
'adcs_source = lemur.plugins.lemur_adcs.plugin:ADCSSourcePlugin'
],
},
classifiers=[