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x509: Make certificates represented as objects

Browse Source 
https://pagure.io/freeipa/issue/4985

Reviewed-By: Fraser Tweedale <ftweedal@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Martin Basti <mbasti@redhat.com>
This commit is contained in:
Stanislav Laznicka 2017-06-16 10:18:07 +02:00 committed by Pavel Vomacka
parent 4375ef860f
commit b5732efda6
33 changed files with 537 additions and 477 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
install/certmonger/dogtag-ipa-ca-renew-agent-submit
View File

@ -31,7 +31,6 @@ import syslog
import traceback
import tempfile
import shutil
import base64
import contextlib
import json
@ -266,8 +265,8 @@ def store_cert(**kwargs):
cert = os.environ.get('CERTMONGER_CERTIFICATE')
if not cert:
return (REJECTED, "New certificate requests not supported")
dercert = x509.normalize_certificate(cert)
cert = x509.load_pem_x509_certificate(cert)
dercert = cert.public_bytes(x509.Encoding.DER)
dn = DN(('cn', nickname), ('cn', 'ca_renewal'),
('cn', 'ipa'), ('cn', 'etc'), api.env.basedn)
@ -365,7 +364,8 @@ def retrieve_or_reuse_cert(**kwargs):
if not nickname:
return (REJECTED, "Nickname could not be determined")
cert = os.environ.get('CERTMONGER_CERTIFICATE')
cert = x509.load_pem_x509_certificate(
fix_pem(os.environ.get('CERTMONGER_CERTIFICATE'))) # TODO: the fix_pem somehow got there early, so making this comment way too long to get rid of it later
if not cert:
return (REJECTED, "New certificate requests not supported")
@ -378,11 +378,10 @@ def retrieve_or_reuse_cert(**kwargs):
except errors.NotFound:
pass
else:
cert = entry.single_value['usercertificate']
cert = base64.b64encode(cert)
cert = x509.make_pem(cert)
cert = x509.load_der_x509_certificate(
entry.single_value['usercertificate'])
return (ISSUED, cert)
return (ISSUED, cert.public_bytes(x509.Encoding.PEM))
def retrieve_cert_continuous(reuse_existing, **kwargs):
@ -392,7 +391,7 @@ def retrieve_cert_continuous(reuse_existing, **kwargs):
"""
old_cert = os.environ.get('CERTMONGER_CERTIFICATE')
if old_cert:
old_cert = x509.normalize_certificate(old_cert)
old_cert = x509.load_pem_x509_certificate(old_cert)
result = call_handler(retrieve_or_reuse_cert,
reuse_existing=reuse_existing,
@ -400,7 +399,7 @@ def retrieve_cert_continuous(reuse_existing, **kwargs):
if result[0] != ISSUED or reuse_existing:
return result
new_cert = x509.normalize_certificate(result[1])
new_cert = x509.load_pem_x509_certificate(result[1])
if new_cert == old_cert:
syslog.syslog(syslog.LOG_INFO, "Updated certificate not available")
# No cert available yet, tell certmonger to wait another 8 hours
@ -431,7 +430,8 @@ def renew_ca_cert(reuse_existing, **kwargs):
cert = os.environ.get('CERTMONGER_CERTIFICATE')
if not cert:
return (REJECTED, "New certificate requests not supported")
is_self_signed = x509.is_self_signed(cert)
cert = x509.load_pem_x509_certificate(cert)
is_self_signed = cert.is_self_signed()
operation = os.environ.get('CERTMONGER_OPERATION')
if operation == 'SUBMIT':

6
install/restart_scripts/renew_ca_cert
View File

@ -29,7 +29,7 @@ import traceback
from ipalib.install import certstore
from ipapython import ipautil
from ipalib import api, errors, x509
from ipalib import api, errors
from ipalib.install.kinit import kinit_keytab
from ipaserver.install import certs, cainstance, installutils
from ipaserver.plugins.ldap2 import ldap2
@ -64,7 +64,7 @@ def _main():
# Fetch the new certificate
db = certs.CertDB(api.env.realm, nssdir=paths.PKI_TOMCAT_ALIAS_DIR)
cert = db.get_cert_from_db(nickname, pem=False)
cert = db.get_cert_from_db(nickname)
if not cert:
syslog.syslog(syslog.LOG_ERR, 'No certificate %s found.' % nickname)
sys.exit(1)
@ -106,7 +106,7 @@ def _main():
cfg_path, 'subsystem.select', '=')
if config == 'New':
syslog.syslog(syslog.LOG_NOTICE, "Updating CS.cfg")
if x509.is_self_signed(cert, x509.DER):
if cert.is_self_signed():
installutils.set_directive(
cfg_path, 'hierarchy.select', 'Root',
quotes=False, separator='=')

5
install/tools/ipa-replica-conncheck
View File

@ -47,7 +47,6 @@ from socket import SOCK_STREAM, SOCK_DGRAM
import distutils.spawn
from ipaplatform.paths import paths
import gssapi
from cryptography.hazmat.primitives import serialization
logger = logging.getLogger(os.path.basename(__file__))
@ -544,10 +543,8 @@ def main():
ca_certs = x509.load_certificate_list_from_file(
options.ca_cert_file)
for ca_cert in ca_certs:
data = ca_cert.public_bytes(
serialization.Encoding.DER)
nss_db.add_cert(
data,
ca_cert,
str(DN(ca_cert.subject)),
certdb.EXTERNAL_CA_TRUST_FLAGS)

13
ipaclient/install/client.py
View File

@ -27,7 +27,6 @@ import tempfile
import time
import traceback
from cryptography.hazmat.primitives import serialization
# pylint: disable=import-error
from six.moves.configparser import RawConfigParser
from six.moves.urllib.parse import urlparse, urlunparse
@ -1647,9 +1646,7 @@ def get_ca_certs_from_ldap(server, basedn, realm):
logger.debug("get_ca_certs_from_ldap() error: %s", e)
raise
certs = [x509.load_der_x509_certificate(c[0]) for c in certs
if c[2] is not False]
certs = [c[0] for c in certs if c[2] is not False]
return certs
@ -1830,10 +1827,6 @@ def get_ca_certs(fstore, options, server, basedn, realm):
if ca_certs is not None:
try:
ca_certs = [
cert.public_bytes(serialization.Encoding.DER)
for cert in ca_certs
]
x509.write_certificate_list(ca_certs, ca_file)
except Exception as e:
if os.path.exists(ca_file):
@ -2680,10 +2673,6 @@ def _install(options):
# Add CA certs to a temporary NSS database
ca_certs = x509.load_certificate_list_from_file(paths.IPA_CA_CRT)
ca_certs = [
cert.public_bytes(serialization.Encoding.DER)
for cert in ca_certs
]
try:
tmp_db.create_db()

15
ipaclient/plugins/ca.py
View File

@ -2,7 +2,6 @@
# Copyright (C) 2016 FreeIPA Contributors see COPYING for license
#
import base64
from ipaclient.frontend import MethodOverride
from ipalib import errors, util, x509, Str
from ipalib.plugable import Registry
@ -34,15 +33,15 @@ class WithCertOutArgs(MethodOverride):
result = super(WithCertOutArgs, self).forward(*keys, **options)
if filename:
def to_pem(x):
return x509.make_pem(x)
if options.get('chain', False):
ders = result['result']['certificate_chain']
data = '\n'.join(to_pem(base64.b64encode(der)) for der in ders)
certs = (x509.load_der_x509_certificate(c)
for c in result['result']['certificate_chain'])
else:
data = to_pem(result['result']['certificate'])
with open(filename, 'wb') as f:
f.write(data)
certs = [
x509.load_der_x509_certificate(
result['result']['certificate'])
]
x509.write_certificate_list(certs, filename)
return result

7
ipaclient/plugins/cert.py
View File

@ -66,10 +66,9 @@ class CertRetrieveOverride(MethodOverride):
certs = result['result']['certificate_chain']
else:
certs = [result['result']['certificate']]
certs = (x509.ensure_der_format(cert) for cert in certs)
certs = (x509.make_pem(base64.b64encode(cert)) for cert in certs)
with open(certificate_out, 'w') as f:
f.write('\n'.join(certs))
certs = (x509.load_der_x509_certificate(
x509.ensure_der_format(cert)) for cert in certs)
x509.write_certificate_list(certs, certificate_out)
return result

7
ipaclient/plugins/host.py
View File

@ -34,10 +34,9 @@ class host_show(MethodOverride):
util.check_writable_file(options['out'])
result = super(host_show, self).forward(*keys, **options)
if 'usercertificate' in result['result']:
x509.write_certificate_list(
result['result']['usercertificate'],
options['out']
)
certs = (x509.load_der_x509_certificate(c)
for c in result['result']['usercertificate'])
x509.write_certificate_list(certs, options['out'])
result['summary'] = (
_('Certificate(s) stored in file \'%(file)s\'')
% dict(file=options['out'])

7
ipaclient/plugins/service.py
View File

@ -36,10 +36,9 @@ class service_show(MethodOverride):
util.check_writable_file(options['out'])
result = super(service_show, self).forward(*keys, **options)
if 'usercertificate' in result['result']:
x509.write_certificate_list(
result['result']['usercertificate'],
options['out']
)
certs = (x509.load_der_x509_certificate(c)
for c in result['result']['usercertificate'])
x509.write_certificate_list(certs, options['out'])
result['summary'] = (
_('Certificate(s) stored in file \'%(file)s\'')
% dict(file=options['out'])

7
ipaclient/plugins/user.py
View File

@ -67,10 +67,9 @@ class user_show(MethodOverride):
util.check_writable_file(options['out'])
result = super(user_show, self).forward(*keys, **options)
if 'usercertificate' in result['result']:
x509.write_certificate_list(
result['result']['usercertificate'],
options['out']
)
certs = (x509.load_der_x509_certificate(c)
for c in result['result']['usercertificate'])
x509.write_certificate_list(certs, options['out'])
result['summary'] = (
_('Certificate(s) stored in file \'%(file)s\'')
% dict(file=options['out'])

6
ipaclient/plugins/vault.py
View File

@ -624,15 +624,15 @@ class vaultconfig_show(MethodOverride):
response = super(vaultconfig_show, self).forward(*args, **options)
# cache transport certificate
transport_cert = x509.load_certificate(
response['result']['transport_cert'], x509.DER)
transport_cert = x509.load_der_x509_certificate(
response['result']['transport_cert'])
_transport_cert_cache.store_cert(
self.api.env.domain, transport_cert
)
if file:
with open(file, 'w') as f:
with open(file, 'wb') as f:
f.write(response['result']['transport_cert'])
return response

50
ipalib/install/certstore.py
View File

@ -28,13 +28,13 @@ from ipapython.dn import DN
from ipapython.certdb import get_ca_nickname, TrustFlags
from ipalib import errors, x509
def _parse_cert(dercert):
def _parse_cert(cert):
try:
cert = x509.load_der_x509_certificate(dercert)
subject = DN(cert.subject)
issuer = DN(cert.issuer)
serial_number = cert.serial_number
public_key_info = x509.get_der_public_key_info(dercert, x509.DER)
public_key_info = cert.public_key_info_bytes
except (ValueError, PyAsn1Error) as e:
raise ValueError("failed to decode certificate: %s" % e)
@ -45,15 +45,15 @@ def _parse_cert(dercert):
return subject, issuer_serial, public_key_info
def init_ca_entry(entry, dercert, nickname, trusted, ext_key_usage):
def init_ca_entry(entry, cert, nickname, trusted, ext_key_usage):
"""
Initialize certificate store entry for a CA certificate.
"""
subject, issuer_serial, public_key = _parse_cert(dercert)
subject, issuer_serial, public_key = _parse_cert(cert)
if ext_key_usage is not None:
try:
cert_eku = x509.get_ext_key_usage(dercert, x509.DER)
cert_eku = cert.extended_key_usage
except ValueError as e:
raise ValueError("failed to decode certificate: %s" % e)
if cert_eku is not None:
@ -68,7 +68,7 @@ def init_ca_entry(entry, dercert, nickname, trusted, ext_key_usage):
entry['ipaCertSubject'] = [subject]
entry['ipaCertIssuerSerial'] = [issuer_serial]
entry['ipaPublicKey'] = [public_key]
entry['cACertificate;binary'] = [dercert]
entry['cACertificate;binary'] = [cert.public_bytes(x509.Encoding.DER)]
if trusted is not None:
entry['ipaKeyTrust'] = ['trusted' if trusted else 'distrusted']
@ -79,11 +79,12 @@ def init_ca_entry(entry, dercert, nickname, trusted, ext_key_usage):
entry['ipaKeyExtUsage'] = ext_key_usage
def update_compat_ca(ldap, base_dn, dercert):
def update_compat_ca(ldap, base_dn, cert):
"""
Update the CA certificate in cn=CAcert,cn=ipa,cn=etc,SUFFIX.
"""
dn = DN(('cn', 'CAcert'), ('cn', 'ipa'), ('cn', 'etc'), base_dn)
dercert = cert.public_bytes(x509.Encoding.DER)
try:
entry = ldap.get_entry(dn, attrs_list=['cACertificate;binary'])
entry.single_value['cACertificate;binary'] = dercert
@ -152,12 +153,12 @@ def add_ca_cert(ldap, base_dn, dercert, nickname, trusted=None,
clean_old_config(ldap, base_dn, dn, config_ipa, config_compat)
def update_ca_cert(ldap, base_dn, dercert, trusted=None, ext_key_usage=None,
def update_ca_cert(ldap, base_dn, cert, trusted=None, ext_key_usage=None,
config_ipa=False, config_compat=False):
"""
Update existing entry for a CA certificate in the certificate store.
"""
subject, issuer_serial, public_key = _parse_cert(dercert)
subject, issuer_serial, public_key = _parse_cert(cert)
filter = ldap.make_filter({'ipaCertSubject': subject})
result, _truncated = ldap.find_entries(
@ -172,7 +173,7 @@ def update_ca_cert(ldap, base_dn, dercert, trusted=None, ext_key_usage=None,
for old_cert in entry['cACertificate;binary']:
# Check if we are adding a new cert
if old_cert == dercert:
if old_cert == cert:
break
else:
# We are adding a new cert, validate it
@ -181,7 +182,8 @@ def update_ca_cert(ldap, base_dn, dercert, trusted=None, ext_key_usage=None,
if entry.single_value['ipaPublicKey'] != public_key:
raise ValueError("subject public key info mismatch")
entry['ipaCertIssuerSerial'].append(issuer_serial)
entry['cACertificate;binary'].append(dercert)
entry['cACertificate;binary'].append(
cert.public_bytes(x509.Encoding.DER))
# Update key trust
if trusted is not None:
@ -217,22 +219,24 @@ def update_ca_cert(ldap, base_dn, dercert, trusted=None, ext_key_usage=None,
entry.setdefault('ipaConfigString', []).append('compatCA')
if is_compat or config_compat:
update_compat_ca(ldap, base_dn, dercert)
update_compat_ca(ldap, base_dn, cert)
ldap.update_entry(entry)
clean_old_config(ldap, base_dn, dn, config_ipa, config_compat)
def put_ca_cert(ldap, base_dn, dercert, nickname, trusted=None,
def put_ca_cert(ldap, base_dn, cert, nickname, trusted=None,
ext_key_usage=None, config_ipa=False, config_compat=False):
"""
Add or update entry for a CA certificate in the certificate store.
:param cert: IPACertificate
"""
try:
update_ca_cert(ldap, base_dn, dercert, trusted, ext_key_usage,
update_ca_cert(ldap, base_dn, cert, trusted, ext_key_usage,
config_ipa=config_ipa, config_compat=config_compat)
except errors.NotFound:
add_ca_cert(ldap, base_dn, dercert, nickname, trusted, ext_key_usage,
add_ca_cert(ldap, base_dn, cert, nickname, trusted, ext_key_usage,
config_ipa=config_ipa, config_compat=config_compat)
except errors.EmptyModlist:
pass
@ -306,11 +310,12 @@ def get_ca_certs(ldap, base_dn, compat_realm, compat_ipa_ca,
for cert in entry.get('cACertificate;binary', []):
try:
_parse_cert(cert)
cert_obj = x509.load_der_x509_certificate(cert)
_parse_cert(cert_obj)
except ValueError:
certs = []
break
certs.append((cert, nickname, trusted, ext_key_usage))
certs.append((cert_obj, nickname, trusted, ext_key_usage))
except errors.NotFound:
try:
ldap.get_entry(container_dn, [''])
@ -319,7 +324,8 @@ def get_ca_certs(ldap, base_dn, compat_realm, compat_ipa_ca,
dn = DN(('cn', 'CAcert'), config_dn)
entry = ldap.get_entry(dn, ['cACertificate;binary'])
cert = entry.single_value['cACertificate;binary']
cert = x509.load_der_x509_certificate(
entry.single_value['cACertificate;binary'])
try:
subject, _issuer_serial, _public_key_info = _parse_cert(cert)
except ValueError:
@ -354,16 +360,18 @@ def key_policy_to_trust_flags(trusted, ca, ext_key_usage):
return TrustFlags(False, trusted, ca, ext_key_usage)
def put_ca_cert_nss(ldap, base_dn, dercert, nickname, trust_flags,
def put_ca_cert_nss(ldap, base_dn, cert, nickname, trust_flags,
config_ipa=False, config_compat=False):
"""
Add or update entry for a CA certificate in the certificate store.
:param cert: IPACertificate
"""
trusted, ca, ext_key_usage = trust_flags_to_key_policy(trust_flags)
if ca is False:
raise ValueError("must be CA certificate")
put_ca_cert(ldap, base_dn, dercert, nickname, trusted, ext_key_usage,
put_ca_cert(ldap, base_dn, cert, nickname, trusted, ext_key_usage,
config_ipa, config_compat)

532
ipalib/x509.py
View File

@ -39,10 +39,15 @@ import ssl
import base64
import re
from cryptography import x509 as crypto_x509
from cryptography import utils as crypto_utils
from cryptography.hazmat.backends import default_backend
import cryptography.x509
from cryptography.hazmat.primitives.serialization import (
Encoding, PublicFormat
)
from pyasn1.type import univ, char, namedtype, tag
from pyasn1.codec.der import decoder, encoder
# from pyasn1.codec.native import decoder, encoder
from pyasn1_modules import rfc2315, rfc2459
import six
@ -101,26 +106,319 @@ def strip_header(pem):
return pem
@crypto_utils.register_interface(crypto_x509.Certificate)
class IPACertificate(object):
"""
A proxy class wrapping a python-cryptography certificate representation for
FreeIPA purposes
"""
def __init__(self, cert, backend=None):
"""
:param cert: A python-cryptography Certificate object
:param backend: A python-cryptography Backend object
"""
self._cert = cert
self.backend = default_backend() if backend is None else backend()
# initialize the certificate fields
# we have to do it this way so that some systems don't explode since
# some field types encode-decoding is not strongly defined
self._subject = self.__get_der_field('subject')
self._issuer = self.__get_der_field('issuer')
def __getstate__(self):
state = {
'_cert': self.public_bytes(Encoding.DER),
'_subject': self.subject_bytes,
'_issuer': self.issuer_bytes,
}
return state
def __setstate__(self, state):
self._subject = state['_subject']
self._issuer = state['_issuer']
self._cert = crypto_x509.load_der_x509_certificate(
state['_cert'], backend=default_backend())
def __eq__(self, other):
"""
Checks equality.
:param other: either cryptography.Certificate or IPACertificate or
bytes representing a DER-formatted certificate
"""
if (isinstance(other, (crypto_x509.Certificate, IPACertificate))):
return (self.public_bytes(Encoding.DER) ==
other.public_bytes(Encoding.DER))
elif isinstance(other, bytes):
return self.public_bytes(Encoding.DER) == other
else:
return False
def __ne__(self, other):
"""
Checks not equal.
"""
return not self.__eq__(other)
def __hash__(self):
"""
Computes a hash of the wrapped cryptography.Certificate.
"""
return hash(self._cert)
def __encode_extension(self, oid, critical, value):
# TODO: have another proxy for crypto_x509.Extension which would
# provide public_bytes on the top of what python-cryptography has
ext = rfc2459.Extension()
# TODO: this does not have to be so weird, pyasn1 now has codecs
# which are capable of providing python-native types
ext['extnID'] = univ.ObjectIdentifier(oid)
ext['critical'] = univ.Boolean(critical)
ext['extnValue'] = univ.Any(encoder.encode(univ.OctetString(value)))
ext = encoder.encode(ext)
return ext
def __get_pyasn1_field(self, field):
"""
:returns: a field of the certificate in pyasn1 representation
"""
cert_bytes = self.tbs_certificate_bytes
cert = decoder.decode(cert_bytes, rfc2459.TBSCertificate())[0]
field = cert[field]
return field
def __get_der_field(self, field):
"""
:field: the name of the field of the certificate
:returns: bytes representing the value of a certificate field
"""
return encoder.encode(self.__get_pyasn1_field(field))
def public_bytes(self, encoding):
"""
Serializes the certificate to PEM or DER format.
"""
return self._cert.public_bytes(encoding)
def is_self_signed(self):
"""
:returns: True if this certificate is self-signed, False otherwise
"""
return self._cert.issuer == self._cert.subject
def fingerprint(self, algorithm):
"""
Counts fingerprint of the wrapped cryptography.Certificate
"""
return self._cert.fingerprint(algorithm)
@property
def serial_number(self):
return self._cert.serial_number
@property
def version(self):
return self._cert.version
@property
def subject(self):
return self._cert.subject
@property
def subject_bytes(self):
return self._subject
@property
def signature_hash_algorithm(self):
"""
Returns a HashAlgorithm corresponding to the type of the digest signed
in the certificate.
"""
return self._cert.signature_hash_algorithm
@property
def signature_algorithm_oid(self):
"""
Returns the ObjectIdentifier of the signature algorithm.
"""
return self._cert.signature_algorithm_oid
@property
def signature(self):
"""
Returns the signature bytes.
"""
return self._cert.signature
@property
def issuer(self):
return self._cert.issuer
@property
def issuer_bytes(self):
return self._issuer
@property
def not_valid_before(self):
return self._cert.not_valid_before
@property
def not_valid_after(self):
return self._cert.not_valid_after
@property
def tbs_certificate_bytes(self):
return self._cert.tbs_certificate_bytes
@property
def extensions(self):
# TODO: own Extension and Extensions classes proxying
# python-cryptography
return self._cert.extensions
def public_key(self):
return self._cert.public_key()
@property
def public_key_info_bytes(self):
return self._cert.public_key().public_bytes(
encoding=Encoding.DER, format=PublicFormat.SubjectPublicKeyInfo)
@property
def extended_key_usage(self):
try:
ext_key_usage = self._cert.extensions.get_extension_for_oid(
crypto_x509.oid.ExtensionOID.EXTENDED_KEY_USAGE).value
except crypto_x509.ExtensionNotFound:
return None
return set(oid.dotted_string for oid in ext_key_usage)
@property
def extended_key_usage_bytes(self):
ekurfc = rfc2459.ExtKeyUsageSyntax()
eku = self.extended_key_usage or {EKU_PLACEHOLDER}
for i, oid in enumerate(eku):
ekurfc[i] = univ.ObjectIdentifier(oid)
ekurfc = encoder.encode(ekurfc)
return self.__encode_extension('2.5.29.37', EKU_ANY not in eku, ekurfc)
@property
def san_general_names(self):
"""
Return SAN general names from a python-cryptography
certificate object. If the SAN extension is not present,
return an empty sequence.
Because python-cryptography does not yet provide a way to
handle unrecognised critical extensions (which may occur),
we must parse the certificate and extract the General Names.
For uniformity with other code, we manually construct values
of python-crytography GeneralName subtypes.
python-cryptography does not yet provide types for
ediPartyName or x400Address, so we drop these name types.
otherNames are NOT instantiated to more specific types where
the type is known. Use ``process_othernames`` to do that.
When python-cryptography can handle certs with unrecognised
critical extensions and implements ediPartyName and
x400Address, this function (and helpers) will be redundant
and should go away.
"""
gns = self.__pyasn1_get_san_general_names()
GENERAL_NAME_CONSTRUCTORS = {
'rfc822Name': lambda x: crypto_x509.RFC822Name(unicode(x)),
'dNSName': lambda x: crypto_x509.DNSName(unicode(x)),
'directoryName': _pyasn1_to_cryptography_directoryname,
'registeredID': _pyasn1_to_cryptography_registeredid,
'iPAddress': _pyasn1_to_cryptography_ipaddress,
'uniformResourceIdentifier':
lambda x: crypto_x509.UniformResourceIdentifier(unicode(x)),
'otherName': _pyasn1_to_cryptography_othername,
}
result = []
for gn in gns:
gn_type = gn.getName()
if gn_type in GENERAL_NAME_CONSTRUCTORS:
result.append(
GENERAL_NAME_CONSTRUCTORS[gn_type](gn.getComponent()))
return result
def __pyasn1_get_san_general_names(self):
# pyasn1 returns None when the key is not present in the certificate
# but we need an iterable
extensions = self.__get_pyasn1_field('extensions') or []
OID_SAN = univ.ObjectIdentifier('2.5.29.17')
gns = []
for ext in extensions:
if ext['extnID'] == OID_SAN:
der = decoder.decode(
ext['extnValue'], asn1Spec=univ.OctetString())[0]
gns = decoder.decode(der, asn1Spec=rfc2459.SubjectAltName())[0]
break
return gns
@property
def san_a_label_dns_names(self):
gns = self.__pyasn1_get_san_general_names()
result = []
for gn in gns:
if gn.getName() == 'dNSName':
result.append(unicode(gn.getComponent()))
return result
def match_hostname(self, hostname):
match_cert = {}
match_cert['subject'] = match_subject = []
for rdn in self._cert.subject.rdns:
match_rdn = []
for ava in rdn:
if ava.oid == crypto_x509.oid.NameOID.COMMON_NAME:
match_rdn.append(('commonName', ava.value))
match_subject.append(match_rdn)
values = self.san_a_label_dns_names
if values:
match_cert['subjectAltName'] = match_san = []
for value in values:
match_san.append(('DNS', value))
ssl.match_hostname(match_cert, DNSName(hostname).ToASCII())
def load_pem_x509_certificate(data):
"""
Load an X.509 certificate in PEM format.
:returns: a python-cryptography ``Certificate`` object.
:returns: a ``IPACertificate`` object.
:raises: ``ValueError`` if unable to load the certificate.
"""
return crypto_x509.load_pem_x509_certificate(data,
backend=default_backend())
return IPACertificate(
crypto_x509.load_pem_x509_certificate(data, backend=default_backend())
)
def load_der_x509_certificate(data):
"""
Load an X.509 certificate in DER format.
:returns: a python-cryptography ``Certificate`` object.
:returns: a ``IPACertificate`` object.
:raises: ``ValueError`` if unable to load the certificate.
"""
return crypto_x509.load_der_x509_certificate(data,
backend=default_backend())
return IPACertificate(
crypto_x509.load_der_x509_certificate(data, backend=default_backend())
)
def load_certificate_from_file(filename, dbdir=None):
@ -138,7 +436,6 @@ def load_certificate_list(data):
Load a certificate list from a sequence of concatenated PEMs.
Return a list of python-cryptography ``Certificate`` objects.
"""
certs = PEM_REGEX.findall(data)
return [load_pem_x509_certificate(cert) for cert in certs]
@ -155,11 +452,11 @@ def load_certificate_list_from_file(filename):
return load_certificate_list(f.read())
def pkcs7_to_pems(data, datatype=PEM):
def pkcs7_to_certs(data, datatype=PEM):
"""
Extract certificates from a PKCS #7 object.
Return a ``list`` of X.509 PEM strings.
:returns: a ``list`` of ``IPACertificate`` objects.
"""
if datatype == PEM:
match = re.match(
@ -187,62 +484,12 @@ def pkcs7_to_pems(data, datatype=PEM):
for certificate in signed_data['certificates']:
certificate = encoder.encode(certificate)
certificate = base64.b64encode(certificate)
certificate = make_pem(certificate)
certificate = load_der_x509_certificate(certificate)
result.append(certificate)
return result
def is_self_signed(certificate, datatype=PEM):
cert = load_certificate(certificate, datatype)
return cert.issuer == cert.subject
def _get_der_field(cert, datatype, dbdir, field):
cert = normalize_certificate(cert)
cert = decoder.decode(cert, rfc2459.Certificate())[0]
field = cert['tbsCertificate'][field]
field = encoder.encode(field)
return field
def get_der_subject(cert, datatype=PEM, dbdir=None):
return _get_der_field(cert, datatype, dbdir, 'subject')
def get_der_issuer(cert, datatype=PEM, dbdir=None):
return _get_der_field(cert, datatype, dbdir, 'issuer')
def get_der_serial_number(cert, datatype=PEM, dbdir=None):
return _get_der_field(cert, datatype, dbdir, 'serialNumber')
def get_der_public_key_info(cert, datatype=PEM, dbdir=None):
return _get_der_field(cert, datatype, dbdir, 'subjectPublicKeyInfo')
def get_ext_key_usage(certificate, datatype=PEM):
cert = load_certificate(certificate, datatype)
try:
eku = cert.extensions.get_extension_for_oid(
cryptography.x509.oid.ExtensionOID.EXTENDED_KEY_USAGE).value
except cryptography.x509.ExtensionNotFound:
return None
return set(oid.dotted_string for oid in eku)
def make_pem(data):
"""
Convert a raw base64-encoded blob into something that looks like a PE
file with lines split to 64 characters and proper headers.
"""
if isinstance(data, bytes):
data = data.decode('ascii')
pemcert = '\r\n'.join([data[x:x+64] for x in range(0, len(data), 64)])
return '-----BEGIN CERTIFICATE-----\n' + \
pemcert + \
'\n-----END CERTIFICATE-----'
def ensure_der_format(rawcert):
"""
Incoming certificates should be DER-encoded. If not it is converted to
@ -254,8 +501,6 @@ def ensure_der_format(rawcert):
if not rawcert:
return None
rawcert = strip_header(rawcert)
try:
if isinstance(rawcert, bytes):
# base64 must work with utf-8, otherwise it is raw bin certificate
@ -299,58 +544,37 @@ def validate_der_x509_certificate(cert):
raise errors.CertificateFormatError(error=str(e))
def write_certificate(rawcert, filename):
def write_certificate(cert, filename):
"""
Write the certificate to a file in PEM format.
The cert value can be either DER or PEM-encoded, it will be normalized
to DER regardless, then back out to PEM.
"""
dercert = normalize_certificate(rawcert)
try:
fp = open(filename, 'w')
fp.write(make_pem(base64.b64encode(dercert)))
fp.close()
with open(filename, 'wb') as fp:
fp.write(cert.public_bytes(Encoding.PEM))
except (IOError, OSError) as e:
raise errors.FileError(reason=str(e))
def write_certificate_list(rawcerts, filename):
def write_certificate_list(certs, filename):
"""
Write a list of certificates to a file in PEM format.
The cert values can be either DER or PEM-encoded, they will be normalized
to DER regardless, then back out to PEM.
:param certs: a list of IPACertificate objects to be written to a file
:param filename: a path to the file the certificates should be written into
"""
dercerts = [normalize_certificate(rawcert) for rawcert in rawcerts]
try:
with open(filename, 'w') as f:
for cert in dercerts:
cert = base64.b64encode(cert)
cert = make_pem(cert)
f.write(cert + '\n')
with open(filename, 'wb') as f:
for cert in certs:
f.write(cert.public_bytes(Encoding.PEM))
except (IOError, OSError) as e:
raise errors.FileError(reason=str(e))
def _encode_extension(oid, critical, value):
ext = rfc2459.Extension()
ext['extnID'] = univ.ObjectIdentifier(oid)
ext['critical'] = univ.Boolean(critical)
ext['extnValue'] = univ.Any(encoder.encode(univ.OctetString(value)))
ext = encoder.encode(ext)
return ext
def encode_ext_key_usage(ext_key_usage):
eku = rfc2459.ExtKeyUsageSyntax()
for i, oid in enumerate(ext_key_usage):
eku[i] = univ.ObjectIdentifier(oid)
eku = encoder.encode(eku)
return _encode_extension('2.5.29.37', EKU_ANY not in ext_key_usage, eku)
class _PrincipalName(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('name-type', univ.Integer().subtype(
@ -385,13 +609,13 @@ def _decode_krb5principalname(data):
return name
class KRB5PrincipalName(cryptography.x509.general_name.OtherName):
class KRB5PrincipalName(crypto_x509.general_name.OtherName):
def __init__(self, type_id, value):
super(KRB5PrincipalName, self).__init__(type_id, value)
self.name = _decode_krb5principalname(value)
class UPN(cryptography.x509.general_name.OtherName):
class UPN(crypto_x509.general_name.OtherName):
def __init__(self, type_id, value):
super(UPN, self).__init__(type_id, value)
self.name = unicode(
@ -411,128 +635,48 @@ def process_othernames(gns):
"""
for gn in gns:
if isinstance(gn, cryptography.x509.general_name.OtherName):
if isinstance(gn, crypto_x509.general_name.OtherName):
cls = OTHERNAME_CLASS_MAP.get(
gn.type_id.dotted_string,
cryptography.x509.general_name.OtherName)
crypto_x509.general_name.OtherName)
yield cls(gn.type_id, gn.value)
else:
yield gn
def _pyasn1_get_san_general_names(cert):
tbs = decoder.decode(
cert.tbs_certificate_bytes,
asn1Spec=rfc2459.TBSCertificate()
)[0]
OID_SAN = univ.ObjectIdentifier('2.5.29.17')
# One would expect KeyError or empty iterable when the key ('extensions'
# in this particular case) is not pressent in the certificate but pyasn1
# returns None here
extensions = tbs['extensions'] or []
gns = []
for ext in extensions:
if ext['extnID'] == OID_SAN:
der = decoder.decode(
ext['extnValue'], asn1Spec=univ.OctetString())[0]
gns = decoder.decode(der, asn1Spec=rfc2459.SubjectAltName())[0]
break
return gns
def get_san_general_names(cert):
"""
Return SAN general names from a python-cryptography
certificate object. If the SAN extension is not present,
return an empty sequence.
Because python-cryptography does not yet provide a way to
handle unrecognised critical extensions (which may occur),
we must parse the certificate and extract the General Names.
For uniformity with other code, we manually construct values
of python-crytography GeneralName subtypes.
python-cryptography does not yet provide types for
ediPartyName or x400Address, so we drop these name types.
otherNames are NOT instantiated to more specific types where
the type is known. Use ``process_othernames`` to do that.
When python-cryptography can handle certs with unrecognised
critical extensions and implements ediPartyName and
x400Address, this function (and helpers) will be redundant
and should go away.
"""
gns = _pyasn1_get_san_general_names(cert)
GENERAL_NAME_CONSTRUCTORS = {
'rfc822Name': lambda x: cryptography.x509.RFC822Name(unicode(x)),
'dNSName': lambda x: cryptography.x509.DNSName(unicode(x)),
'directoryName': _pyasn1_to_cryptography_directoryname,
'registeredID': _pyasn1_to_cryptography_registeredid,
'iPAddress': _pyasn1_to_cryptography_ipaddress,
'uniformResourceIdentifier':
lambda x: cryptography.x509.UniformResourceIdentifier(unicode(x)),
'otherName': _pyasn1_to_cryptography_othername,
}
result = []
for gn in gns:
gn_type = gn.getName()
if gn_type in GENERAL_NAME_CONSTRUCTORS:
result.append(
GENERAL_NAME_CONSTRUCTORS[gn_type](gn.getComponent()))
return result
def _pyasn1_to_cryptography_directoryname(dn):
attrs = []
# Name is CHOICE { RDNSequence } (only one possibility)
for rdn in dn.getComponent():
for ava in rdn:
attr = cryptography.x509.NameAttribute(
attr = crypto_x509.NameAttribute(
_pyasn1_to_cryptography_oid(ava['type']),
unicode(decoder.decode(ava['value'])[0])
)
attrs.append(attr)
return cryptography.x509.DirectoryName(cryptography.x509.Name(attrs))
return crypto_x509.DirectoryName(crypto_x509.Name(attrs))
def _pyasn1_to_cryptography_registeredid(oid):
return cryptography.x509.RegisteredID(_pyasn1_to_cryptography_oid(oid))
return crypto_x509.RegisteredID(_pyasn1_to_cryptography_oid(oid))
def _pyasn1_to_cryptography_ipaddress(octet_string):
return cryptography.x509.IPAddress(
return crypto_x509.IPAddress(
ipaddress.ip_address(bytes(octet_string)))
def _pyasn1_to_cryptography_othername(on):
return cryptography.x509.OtherName(
return crypto_x509.OtherName(
_pyasn1_to_cryptography_oid(on['type-id']),
bytes(on['value'])
)
def _pyasn1_to_cryptography_oid(oid):
return cryptography.x509.ObjectIdentifier(str(oid))
def get_san_a_label_dns_names(cert):
gns = _pyasn1_get_san_general_names(cert)
result = []
for gn in gns:
if gn.getName() == 'dNSName':
result.append(unicode(gn.getComponent()))
return result
return crypto_x509.ObjectIdentifier(str(oid))
def chunk(size, s):
@ -574,23 +718,3 @@ def format_datetime(t):
if t.tzinfo is None:
t = t.replace(tzinfo=UTC())
return unicode(t.strftime("%a %b %d %H:%M:%S %Y %Z"))
def match_hostname(cert, hostname):
match_cert = {}
match_cert['subject'] = match_subject = []
for rdn in cert.subject.rdns:
match_rdn = []
for ava in rdn:
if ava.oid == cryptography.x509.oid.NameOID.COMMON_NAME:
match_rdn.append(('commonName', ava.value))
match_subject.append(match_rdn)
values = get_san_a_label_dns_names(cert)
if values:
match_cert['subjectAltName'] = match_san = []
for value in values:
match_san.append(('DNS', value))
ssl.match_hostname(match_cert, DNSName(hostname).ToASCII())

20
ipaplatform/redhat/tasks.py
View File

@ -30,7 +30,6 @@ import os
import pwd
import shutil
import socket
import base64
import traceback
import errno
@ -266,10 +265,10 @@ class RedHatTaskNamespace(BaseTaskNamespace):
has_eku = set()
for cert, nickname, trusted, ext_key_usage in ca_certs:
try:
subject = x509.get_der_subject(cert, x509.DER)
issuer = x509.get_der_issuer(cert, x509.DER)
serial_number = x509.get_der_serial_number(cert, x509.DER)
public_key_info = x509.get_der_public_key_info(cert, x509.DER)
subject = cert.subject_bytes
issuer = cert.issuer_bytes
serial_number = cert.serial_number
public_key_info = cert.public_key_info_bytes
except (PyAsn1Error, ValueError, CertificateError) as e:
logger.warning(
"Failed to decode certificate \"%s\": %s", nickname, e)
@ -278,12 +277,9 @@ class RedHatTaskNamespace(BaseTaskNamespace):
label = urllib.parse.quote(nickname)
subject = urllib.parse.quote(subject)
issuer = urllib.parse.quote(issuer)
serial_number = urllib.parse.quote(serial_number)
serial_number = urllib.parse.quote(str(serial_number))
public_key_info = urllib.parse.quote(public_key_info)
cert = base64.b64encode(cert)
cert = x509.make_pem(cert)
obj = ("[p11-kit-object-v1]\n"
"class: certificate\n"
"certificate-type: x-509\n"
@ -302,14 +298,12 @@ class RedHatTaskNamespace(BaseTaskNamespace):
obj += "trusted: true\n"
elif trusted is False:
obj += "x-distrusted: true\n"
obj += "%s\n\n" % cert
obj += "{pem}\n\n".format(pem=cert.public_bytes(x509.Encoding.PEM))
f.write(obj)
if ext_key_usage is not None and public_key_info not in has_eku:
if not ext_key_usage:
ext_key_usage = {x509.EKU_PLACEHOLDER}
try:
ext_key_usage = x509.encode_ext_key_usage(ext_key_usage)
ext_key_usage = cert.extended_key_usage_bytes
except PyAsn1Error as e:
logger.warning(
"Failed to encode extended key usage for \"%s\": %s",

76
ipapython/certdb.py
View File

@ -27,9 +27,7 @@ import re
import tempfile
from tempfile import NamedTemporaryFile
import shutil
import base64
from cryptography.hazmat.primitives import serialization
import cryptography.x509
from ipapython.dn import DN
@ -91,7 +89,7 @@ def find_cert_from_txt(cert, start=0):
trailing text, pull out just the certificate part. This will return
the FIRST cert in a stream of data.
Returns a tuple (certificate, last position in cert)
:returns: a tuple (IPACertificate, last position in cert)
"""
s = cert.find('-----BEGIN CERTIFICATE-----', start)
e = cert.find('-----END CERTIFICATE-----', s)
@ -101,7 +99,7 @@ def find_cert_from_txt(cert, start=0):
if s < 0 or e < 0:
raise RuntimeError("Unable to find certificate")
cert = cert[s:e]
cert = x509.load_pem_x509_certificate(cert[s:e].encode('utf-8'))
return (cert, e)
@ -182,14 +180,10 @@ def unparse_trust_flags(trust_flags):
def verify_kdc_cert_validity(kdc_cert, ca_certs, realm):
pem_kdc_cert = kdc_cert.public_bytes(serialization.Encoding.PEM)
pem_ca_certs = '\n'.join(
cert.public_bytes(serialization.Encoding.PEM) for cert in ca_certs)
with NamedTemporaryFile() as kdc_file, NamedTemporaryFile() as ca_file:
kdc_file.write(pem_kdc_cert)
kdc_file.write(kdc_cert.public_bytes(x509.Encoding.PEM))
kdc_file.flush()
ca_file.write(pem_ca_certs)
x509.write_certificate_list(ca_certs, ca_file.name)
ca_file.flush()
try:
@ -209,7 +203,7 @@ def verify_kdc_cert_validity(kdc_cert, ca_certs, realm):
raise ValueError("invalid for a KDC")
principal = str(Principal(['krbtgt', realm], realm))
gns = x509.process_othernames(x509.get_san_general_names(kdc_cert))
gns = x509.process_othernames(kdc_cert.san_general_names)
for gn in gns:
if isinstance(gn, x509.KRB5PrincipalName) and gn.name == principal:
break
@ -458,7 +452,7 @@ class NSSDatabase(object):
if label in ('CERTIFICATE', 'X509 CERTIFICATE',
'X.509 CERTIFICATE'):
try:
x509.load_pem_x509_certificate(match.group(2))
cert = x509.load_pem_x509_certificate(body)
except ValueError as e:
if label != 'CERTIFICATE':
logger.warning(
@ -467,13 +461,13 @@ class NSSDatabase(object):
filename, line, e)
continue
else:
extracted_certs.append(body)
extracted_certs.append(cert)
loaded = True
continue
if label in ('PKCS7', 'PKCS #7 SIGNED DATA', 'CERTIFICATE'):
try:
certs = x509.pkcs7_to_pems(body)
certs = x509.pkcs7_to_certs(body)
except ipautil.CalledProcessError as e:
if label == 'CERTIFICATE':
logger.warning(
@ -521,7 +515,7 @@ class NSSDatabase(object):
filename, line, e)
continue
else:
extracted_key = result.output
extracted_key = result.raw_output
key_file = filename
loaded = True
continue
@ -531,12 +525,11 @@ class NSSDatabase(object):
# Try to load the file as DER certificate
try:
x509.load_der_x509_certificate(data)
cert = x509.load_der_x509_certificate(data)
except ValueError:
pass
else:
data = x509.make_pem(base64.b64encode(data))
extracted_certs.append(data)
extracted_certs.append(cert)
continue
# Try to import the file as PKCS#12 file
@ -576,16 +569,16 @@ class NSSDatabase(object):
raise RuntimeError(
"No server certificates found in %s" % (', '.join(files)))
for cert_pem in extracted_certs:
cert = x509.load_pem_x509_certificate(cert_pem)
for cert in extracted_certs:
nickname = str(DN(cert.subject))
data = cert.public_bytes(serialization.Encoding.DER)
self.add_cert(data, nickname, EMPTY_TRUST_FLAGS)
self.add_cert(cert, nickname, EMPTY_TRUST_FLAGS)
if extracted_key:
in_file = ipautil.write_tmp_file(
'\n'.join(extracted_certs) + '\n' + extracted_key)
out_file = tempfile.NamedTemporaryFile()
with tempfile.NamedTemporaryFile(), tempfile.NamedTemporaryFile() \
as (in_file, out_file):
x509.write_certificate_list(extracted_certs, in_file.name)
in_file.write(extracted_key)
in_file.flush()
out_password = ipautil.ipa_generate_password()
out_pwdfile = ipautil.write_tmp_file(out_password)
args = [
@ -600,8 +593,8 @@ class NSSDatabase(object):
ipautil.run(args)
except ipautil.CalledProcessError as e:
raise RuntimeError(
"No matching certificate found for private key from %s" %
key_file)
"No matching certificate found for private key from "
"%s" % key_file)
self.import_pkcs12(out_file.name, out_password)
@ -619,17 +612,13 @@ class NSSDatabase(object):
raise RuntimeError(
"Setting trust on %s failed" % root_nickname)
def get_cert(self, nickname, pem=False):
def get_cert(self, nickname):
args = ['-L', '-n', nickname, '-a']
try:
result = self.run_certutil(args, capture_output=True)
except ipautil.CalledProcessError:
raise RuntimeError("Failed to get %s" % nickname)
cert = result.output
if not pem:
cert, _start = find_cert_from_txt(cert, start=0)
cert = x509.strip_header(cert)
cert = base64.b64decode(cert)
cert, _start = find_cert_from_txt(result.output, start=0)
return cert
def has_nickname(self, nickname):
@ -643,9 +632,9 @@ class NSSDatabase(object):
def export_pem_cert(self, nickname, location):
"""Export the given cert to PEM file in the given location"""
cert = self.get_cert(nickname, pem=True)
with open(location, "w+") as fd:
fd.write(cert)
cert = self.get_cert(nickname)
with open(location, "wb") as fd:
fd.write(cert.public_bytes(x509.Encoding.PEM))
os.chmod(location, 0o444)
def import_pem_cert(self, nickname, flags, location):
@ -662,7 +651,7 @@ class NSSDatabase(object):
)
cert, st = find_cert_from_txt(certs)
self.add_cert(cert, nickname, flags, pem=True)
self.add_cert(cert, nickname, flags)
try:
find_cert_from_txt(certs, st)
@ -672,12 +661,10 @@ class NSSDatabase(object):
raise ValueError('%s contains more than one certificate' %
location)
def add_cert(self, cert, nick, flags, pem=False):
def add_cert(self, cert, nick, flags):
flags = unparse_trust_flags(flags)
args = ["-A", "-n", nick, "-t", flags]
if pem:
args.append("-a")
self.run_certutil(args, stdin=cert)
args = ["-A", "-n", nick, "-t", flags, '-a']
self.run_certutil(args, stdin=cert.public_bytes(x509.Encoding.PEM))
def delete_cert(self, nick):
self.run_certutil(["-D", "-n", nick])
@ -688,7 +675,6 @@ class NSSDatabase(object):
Raises a ValueError if the certificate is invalid.
"""
cert = self.get_cert(nickname)
cert = x509.load_der_x509_certificate(cert)
try:
self.run_certutil(['-V', '-n', nickname, '-u', 'V'],
@ -699,13 +685,12 @@ class NSSDatabase(object):
raise ValueError(e.output)
try:
x509.match_hostname(cert, hostname)
cert.match_hostname(hostname)
except ValueError:
raise ValueError('invalid for server %s' % hostname)
def verify_ca_cert_validity(self, nickname):
cert = self.get_cert(nickname)
cert = x509.load_der_x509_certificate(cert)
if not cert.subject:
raise ValueError("has empty subject")
@ -736,6 +721,5 @@ class NSSDatabase(object):
def verify_kdc_cert_validity(self, nickname, realm):
nicknames = self.get_trust_chain(nickname)
certs = [self.get_cert(nickname) for nickname in nicknames]
certs = [x509.load_der_x509_certificate(cert) for cert in certs]
verify_kdc_cert_validity(certs[-1], certs[:-1], realm)

2
ipaserver/install/ca.py
View File

@ -320,7 +320,7 @@ def install_step_1(standalone, replica_config, options):
subject_base=subject_base)
dsdb = certs.CertDB(
realm_name, nssdir=dirname, subject_base=subject_base)
cacert = cadb.get_cert_from_db('caSigningCert cert-pki-ca', pem=False)
cacert = cadb.get_cert_from_db('caSigningCert cert-pki-ca')
nickname = certdb.get_ca_nickname(realm_name)
trust_flags = certdb.IPA_CA_TRUST_FLAGS
dsdb.add_cert(cacert, nickname, trust_flags)

9
ipaserver/install/cainstance.py
View File

@ -791,24 +791,19 @@ class CAInstance(DogtagInstance):
data = base64.b64decode(chain)
# Get list of PEM certificates
certlist = x509.pkcs7_to_pems(data, x509.DER)
certlist = x509.pkcs7_to_certs(data, x509.DER)
# We need to append the certs to the existing file, so start by
# reading the file
if ipautil.file_exists(paths.IPA_CA_CRT):
ca_certs = x509.load_certificate_list_from_file(paths.IPA_CA_CRT)
ca_certs = [cert.public_bytes(serialization.Encoding.PEM)
for cert in ca_certs]
certlist.extend(ca_certs)
# We have all the certificates in certlist, write them to a PEM file
for path in [paths.IPA_CA_CRT,
paths.KDC_CA_BUNDLE_PEM,
paths.CA_BUNDLE_PEM]:
with open(path, 'w') as ipaca_pem:
for cert in certlist:
ipaca_pem.write(cert)
ipaca_pem.write('\n')
x509.write_certificate_list(certlist, path)
def __request_ra_certificate(self):
# create a temp file storing the pwd

37
ipaserver/install/certs.py
View File

@ -58,9 +58,7 @@ def get_cert_nickname(cert):
representation of the first RDN in the subject and subject_dn
is a DN object.
"""
cert_obj = x509.load_pem_x509_certificate(cert)
dn = DN(cert_obj.subject)
dn = DN(cert.subject)
return (str(dn[0]), dn)
@ -323,30 +321,20 @@ class CertDB(object):
nick = get_ca_nickname(self.realm)
else:
nick = str(subject_dn)
self.nssdb.add_cert(cert, nick, trust_flags, pem=True)
self.nssdb.add_cert(cert, nick, trust_flags)
except RuntimeError:
break
def get_cert_from_db(self, nickname, pem=True):
def get_cert_from_db(self, nickname):
"""
Retrieve a certificate from the current NSS database for nickname.
pem controls whether the value returned PEM or DER-encoded. The
default is the data straight from certutil -a.
"""
try:
args = ["-L", "-n", nickname, "-a"]
result = self.run_certutil(args, capture_output=True)
cert = result.output
if pem:
return cert
else:
cert, _start = find_cert_from_txt(cert, start=0)
cert = x509.strip_header(cert)
dercert = base64.b64decode(cert)
return dercert
return x509.load_pem_x509_certificate(result.raw_output)
except ipautil.CalledProcessError:
return ''
return None
def track_server_cert(self, nickname, principal, password_file=None, command=None):
"""
@ -362,8 +350,7 @@ class CertDB(object):
return
cert = self.get_cert_from_db(nickname)
cert_obj = x509.load_pem_x509_certificate(cert)
subject = str(DN(cert_obj.subject))
subject = str(DN(cert.subject))
certmonger.add_principal(request_id, principal)
certmonger.add_subject(request_id, subject)
@ -392,8 +379,10 @@ class CertDB(object):
try:
self.issue_server_cert(self.certreq_fname, self.certder_fname)
self.import_cert(self.certder_fname, nickname)
with open(self.certder_fname, "r") as f:
dercert = f.read()
return x509.load_der_x509_certificate(dercert)
finally:
for fname in (self.certreq_fname, self.certder_fname):
try:
@ -401,8 +390,6 @@ class CertDB(object):
except OSError:
pass
return dercert
def request_cert(
self, subject, certtype="rsa", keysize="2048",
san_dnsnames=None):
@ -519,8 +506,8 @@ class CertDB(object):
with open(cert_fname, "w") as f:
f.write(cert)
def add_cert(self, cert, nick, flags, pem=False):
self.nssdb.add_cert(cert, nick, flags, pem)
def add_cert(self, cert, nick, flags):
self.nssdb.add_cert(cert, nick, flags)
def import_cert(self, cert_fname, nickname):
"""
@ -594,8 +581,6 @@ class CertDB(object):
newca, _st = find_cert_from_txt(newca)
cacert = self.get_cert_from_db(self.cacert_name)
if cacert != '':
cacert, _st = find_cert_from_txt(cacert)
if newca == cacert:
return
@ -649,7 +634,7 @@ class CertDB(object):
cert, st = find_cert_from_txt(certs, st)
except RuntimeError:
break
self.add_cert(cert, 'CA %s' % num, EMPTY_TRUST_FLAGS, pem=True)
self.add_cert(cert, 'CA %s' % num, EMPTY_TRUST_FLAGS)
num += 1
# We only handle one server cert

7
ipaserver/install/dogtaginstance.py
View File

@ -29,7 +29,7 @@ import dbus
from pki.client import PKIConnection
import pki.system
from ipalib import api, errors
from ipalib import api, errors, x509
from ipalib.install import certmonger
from ipaplatform import services
from ipaplatform.constants import constants
@ -342,7 +342,7 @@ class DogtagInstance(service.Service):
needs to get the new certificate as well.
``directive`` is the directive to update in CS.cfg
cert is a DER-encoded certificate.
cert is IPACertificate.
cs_cfg is the path to the CS.cfg file
"""
@ -350,7 +350,8 @@ class DogtagInstance(service.Service):
installutils.set_directive(
cs_cfg,
directive,
base64.b64encode(cert),
# the cert must be only the base64 string without headers
base64.b64encode(cert.public_bytes(x509.Encoding.DER)),
quotes=False,
separator='=')

10
ipaserver/install/dsinstance.py
View File

@ -234,7 +234,7 @@ class DsInstance(service.Service):
self.pkcs12_info = None
self.cacert_name = None
self.ca_is_configured = True
self.dercert = None
self.cert = None
self.idstart = None
self.idmax = None
self.ca_subject = None
@ -791,7 +791,7 @@ class DsInstance(service.Service):
# We only handle one server cert
self.nickname = server_certs[0][0]
self.dercert = dsdb.get_cert_from_db(self.nickname, pem=False)
self.cert = dsdb.get_cert_from_db(self.nickname)
if self.ca_is_configured:
dsdb.track_server_cert(
@ -834,7 +834,7 @@ class DsInstance(service.Service):
api.Backend.ldap2.disconnect()
api.Backend.ldap2.connect()
self.dercert = dsdb.get_cert_from_db(self.nickname, pem=False)
self.cert = dsdb.get_cert_from_db(self.nickname)
if prev_helper is not None:
self.add_cert_to_service()
@ -888,12 +888,12 @@ class DsInstance(service.Service):
nicknames = dsdb.find_root_cert(self.cacert_name)[:-1]
for nickname in nicknames:
cert = dsdb.get_cert_from_db(nickname, pem=False)
cert = dsdb.get_cert_from_db(nickname)
certstore.put_ca_cert_nss(conn, self.suffix, cert, nickname,
trust_flags[nickname])
nickname = self.cacert_name
cert = dsdb.get_cert_from_db(nickname, pem=False)
cert = dsdb.get_cert_from_db(nickname)
cacert_flags = trust_flags[nickname]
if self.setup_pkinit:
cacert_flags = TrustFlags(

6
ipaserver/install/httpinstance.py
View File

@ -138,7 +138,7 @@ class HTTPInstance(service.Service):
self.dm_password = dm_password
self.suffix = ipautil.realm_to_suffix(self.realm)
self.pkcs12_info = pkcs12_info
self.dercert = None
self.cert = None
self.subject_base = subject_base
self.sub_dict = dict(
REALM=realm,
@ -406,7 +406,7 @@ class HTTPInstance(service.Service):
nickname = server_certs[0][0]
if nickname == 'ipaCert':
nickname = server_certs[1][0]
self.dercert = db.get_cert_from_db(nickname, pem=False)
self.cert = db.get_cert_from_db(nickname)
if self.ca_is_configured:
db.track_server_cert(nickname, self.principal, db.passwd_fname, 'restart_httpd')
@ -443,7 +443,7 @@ class HTTPInstance(service.Service):
if prev_helper is not None:
certmonger.modify_ca_helper('IPA', prev_helper)
self.dercert = db.get_cert_from_db(self.cert_nickname, pem=False)
self.cert = db.get_cert_from_db(self.cert_nickname)
if prev_helper is not None:
self.add_cert_to_service()

17
ipaserver/install/installutils.py
View File

@ -1054,9 +1054,8 @@ def load_pkcs12(cert_files, key_password, key_nickname, ca_cert_files,
if ca_cert is None:
ca_cert = cert
cert_obj = x509.load_der_x509_certificate(cert)
subject = DN(cert_obj.subject)
issuer = DN(cert_obj.issuer)
subject = DN(cert.subject)
issuer = DN(cert.issuer)
if subject == issuer:
break
@ -1183,11 +1182,9 @@ def load_external_cert(files, ca_subject):
ca_nickname = None
cache = {}
for nickname, _trust_flags in nssdb.list_certs():
cert = nssdb.get_cert(nickname, pem=True)
cert_obj = x509.load_pem_x509_certificate(cert)
subject = DN(cert_obj.subject)
issuer = DN(cert_obj.issuer)
cert = nssdb.get_cert(nickname)
subject = DN(cert.subject)
issuer = DN(cert.issuer)
cache[nickname] = (cert, subject, issuer)
if subject == ca_subject:
@ -1220,11 +1217,11 @@ def load_external_cert(files, ca_subject):
(subject, ", ".join(files), e))
cert_file = tempfile.NamedTemporaryFile()
cert_file.write(ca_cert_chain[0] + '\n')
cert_file.write(ca_cert_chain[0].public_bytes(x509.Encoding.PEM) + b'\n')
cert_file.flush()
ca_file = tempfile.NamedTemporaryFile()
ca_file.write('\n'.join(ca_cert_chain[1:]) + '\n')
x509.write_certificate_list(ca_cert_chain[1:], ca_file.name)
ca_file.flush()
return cert_file, ca_file

43
ipaserver/install/ipa_cacert_manage.py
View File

@ -22,7 +22,6 @@ from __future__ import print_function
import logging
import os
from optparse import OptionGroup # pylint: disable=deprecated-module
from cryptography.hazmat.primitives import serialization
import gssapi
from ipalib.install import certmonger, certstore
@ -161,7 +160,7 @@ class CACertManage(admintool.AdminTool):
"Found certmonger request id %r", self.request_id)
db = certs.CertDB(api.env.realm, nssdir=paths.PKI_TOMCAT_ALIAS_DIR)
cert = db.get_cert_from_db(self.cert_nickname, pem=False)
cert = db.get_cert_from_db(self.cert_nickname)
options = self.options
if options.external_cert_files:
@ -170,7 +169,7 @@ class CACertManage(admintool.AdminTool):
if options.self_signed is not None:
self_signed = options.self_signed
else:
self_signed = x509.is_self_signed(cert, x509.DER)
self_signed = cert.is_self_signed()
if self_signed:
return self.renew_self_signed(ca)
@ -205,38 +204,28 @@ class CACertManage(admintool.AdminTool):
"--external-cert-file=/path/to/signed_certificate "
"--external-cert-file=/path/to/external_ca_certificate")
def renew_external_step_2(self, ca, old_cert_der):
def renew_external_step_2(self, ca, old_cert):
print("Importing the renewed CA certificate, please wait")
options = self.options
conn = api.Backend.ldap2
old_cert_obj = x509.load_certificate(old_cert_der, x509.DER)
old_der_subject = x509.get_der_subject(old_cert_der, x509.DER)
old_spki = old_cert_obj.public_key().public_bytes(
serialization.Encoding.DER,
serialization.PublicFormat.SubjectPublicKeyInfo
)
old_spki = old_cert.public_key_info_bytes
cert_file, ca_file = installutils.load_external_cert(
options.external_cert_files, DN(old_cert_obj.subject))
options.external_cert_files, DN(old_cert.subject))
with open(cert_file.name) as f:
new_cert_data = f.read()
new_cert_der = x509.normalize_certificate(new_cert_data)
new_cert_obj = x509.load_certificate(new_cert_der, x509.DER)
new_der_subject = x509.get_der_subject(new_cert_der, x509.DER)
new_spki = new_cert_obj.public_key().public_bytes(
serialization.Encoding.DER,
serialization.PublicFormat.SubjectPublicKeyInfo
)
new_cert = x509.load_pem_x509_certificate(new_cert_data)
new_spki = new_cert.public_key_info_bytes
if new_cert_obj.subject != old_cert_obj.subject:
if new_cert.subject != old_cert.subject:
raise admintool.ScriptError(
"Subject name mismatch (visit "
"http://www.freeipa.org/page/Troubleshooting for "
"troubleshooting guide)")
if new_der_subject != old_der_subject:
if new_cert.subject_bytes != old_cert.subject_bytes:
raise admintool.ScriptError(
"Subject name encoding mismatch (visit "
"http://www.freeipa.org/page/Troubleshooting for "
@ -249,19 +238,18 @@ class CACertManage(admintool.AdminTool):
with certs.NSSDatabase() as tmpdb:
tmpdb.create_db()
tmpdb.add_cert(old_cert_der, 'IPA CA', EXTERNAL_CA_TRUST_FLAGS)
tmpdb.add_cert(old_cert, 'IPA CA', EXTERNAL_CA_TRUST_FLAGS)
try:
tmpdb.add_cert(new_cert_der, 'IPA CA', EXTERNAL_CA_TRUST_FLAGS)
tmpdb.add_cert(new_cert, 'IPA CA', EXTERNAL_CA_TRUST_FLAGS)
except ipautil.CalledProcessError as e:
raise admintool.ScriptError(
"Not compatible with the current CA certificate: %s" % e)
ca_certs = x509.load_certificate_list_from_file(ca_file.name)
for ca_cert in ca_certs:
data = ca_cert.public_bytes(serialization.Encoding.DER)
tmpdb.add_cert(
data, str(DN(ca_cert.subject)), EXTERNAL_CA_TRUST_FLAGS)
ca_cert, str(DN(ca_cert.subject)), EXTERNAL_CA_TRUST_FLAGS)
try:
tmpdb.verify_ca_cert_validity('IPA CA')
@ -286,6 +274,8 @@ class CACertManage(admintool.AdminTool):
dn = DN(('cn', self.cert_nickname), ('cn', 'ca_renewal'),
('cn', 'ipa'), ('cn', 'etc'), api.env.basedn)
new_cert_der = new_cert.public_bytes(x509.Encoding.DER)
try:
entry = conn.get_entry(dn, ['usercertificate'])
entry['usercertificate'] = [new_cert_der]
@ -338,15 +328,14 @@ class CACertManage(admintool.AdminTool):
cert_filename = self.args[1]
try:
cert_obj = x509.load_certificate_from_file(cert_filename)
cert = x509.load_certificate_from_file(cert_filename)
except IOError as e:
raise admintool.ScriptError(
"Can't open \"%s\": %s" % (cert_filename, e))
except (TypeError, ValueError) as e:
raise admintool.ScriptError("Not a valid certificate: %s" % e)
cert = cert_obj.public_bytes(serialization.Encoding.DER)
nickname = options.nickname or str(DN(cert_obj.subject))
nickname = options.nickname or str(DN(cert.subject))
ca_certs = certstore.get_ca_certs_nss(api.Backend.ldap2,
api.env.basedn,

6
ipaserver/install/ipa_server_certinstall.py
View File

@ -212,8 +212,7 @@ class ServerCertInstall(admintool.AdminTool):
# Start tracking only if the cert was issued by IPA CA
# Retrieve IPA CA
ipa_ca_cert = cdb.get_cert_from_db(
get_ca_nickname(api.env.realm),
pem=False)
get_ca_nickname(api.env.realm))
# And compare with the CA which signed this certificate
if ca_cert == ipa_ca_cert:
certmonger.start_tracking(
@ -289,8 +288,7 @@ class ServerCertInstall(admintool.AdminTool):
# Start tracking only if the cert was issued by IPA CA
# Retrieve IPA CA
ipa_ca_cert = cdb.get_cert_from_db(
get_ca_nickname(api.env.realm),
pem=False)
get_ca_nickname(api.env.realm))
# And compare with the CA which signed this certificate
if ca_cert == ipa_ca_cert:
cdb.track_server_cert(server_cert,

3
ipaserver/install/krainstance.py
View File

@ -27,7 +27,6 @@ import six
# pylint: disable=import-error
from six.moves.configparser import RawConfigParser
# pylint: enable=import-error
from cryptography.hazmat.primitives import serialization
from ipalib import api
from ipalib import x509
@ -304,7 +303,7 @@ class KRAInstance(DogtagInstance):
# get RA agent certificate
cert = x509.load_certificate_from_file(paths.RA_AGENT_PEM)
cert_data = cert.public_bytes(serialization.Encoding.DER)
cert_data = cert.public_bytes(x509.Encoding.DER)
# connect to KRA database
conn = ldap2.ldap2(api)

9
ipaserver/install/plugins/upload_cacrt.py
View File

@ -22,7 +22,7 @@ import logging
from ipalib.install import certstore
from ipaplatform.paths import paths
from ipaserver.install import certs
from ipalib import Registry, errors
from ipalib import Registry, errors, x509
from ipalib import Updater
from ipapython import certdb
from ipapython.dn import DN
@ -60,7 +60,7 @@ class update_upload_cacrt(Updater):
continue
if nickname == ca_nickname and ca_enabled:
trust_flags = certdb.IPA_CA_TRUST_FLAGS
cert = db.get_cert_from_db(nickname, pem=False)
cert = db.get_cert_from_db(nickname)
trust, _ca, eku = certstore.trust_flags_to_key_policy(trust_flags)
dn = DN(('cn', nickname), ('cn', 'certificates'), ('cn', 'ipa'),
@ -90,6 +90,7 @@ class update_upload_cacrt(Updater):
pass
if ca_cert:
dercert = ca_cert.public_bytes(x509.Encoding.DER)
dn = DN(('cn', 'CACert'), ('cn', 'ipa'), ('cn','etc'),
self.api.env.basedn)
try:
@ -98,11 +99,11 @@ class update_upload_cacrt(Updater):
entry = ldap.make_entry(dn)
entry['objectclass'] = ['nsContainer', 'pkiCA']
entry.single_value['cn'] = 'CAcert'
entry.single_value['cACertificate;binary'] = ca_cert
entry.single_value['cACertificate;binary'] = dercert
ldap.add_entry(entry)
else:
if b'' in entry['cACertificate;binary']:
entry.single_value['cACertificate;binary'] = ca_cert
entry.single_value['cACertificate;binary'] = dercert
ldap.update_entry(entry)
return False, []

2
ipaserver/install/server/upgrade.py
View File

@ -1602,7 +1602,7 @@ def disable_httpd_system_trust(http):
db = certs.CertDB(api.env.realm, nssdir=paths.HTTPD_ALIAS_DIR)
for nickname, trust_flags in db.list_certs():
if not trust_flags.has_key:
cert = db.get_cert_from_db(nickname, pem=False)
cert = db.get_cert_from_db(nickname)
if cert:
ca_certs.append((cert, nickname, trust_flags))

7
ipaserver/install/service.py
View File

@ -32,7 +32,7 @@ from ipalib.install import certstore, sysrestore
from ipapython import ipautil
from ipapython.dn import DN
from ipapython import kerberos
from ipalib import api, errors
from ipalib import api, errors, x509
from ipaplatform import services
from ipaplatform.paths import paths
@ -245,7 +245,7 @@ class Service(object):
self.suffix = DN()
self.service_prefix = service_prefix
self.keytab = keytab
self.dercert = None
self.cert = None
self.api = api
self.service_user = service_user
self.keytab_user = service_user
@ -370,7 +370,8 @@ class Service(object):
dn = DN(('krbprincipalname', self.principal), ('cn', 'services'),
('cn', 'accounts'), self.suffix)
entry = api.Backend.ldap2.get_entry(dn)
entry.setdefault('userCertificate', []).append(self.dercert)
entry.setdefault('userCertificate', []).append(
self.cert.public_bytes(x509.Encoding.DER))
try:
api.Backend.ldap2.update_entry(entry)
except Exception as e:

4
ipaserver/plugins/ca.py
View File

@ -181,8 +181,8 @@ def set_certificate_attrs(entry, options, want_cert=True):
if want_chain or full:
pkcs7_der = ca_api.read_ca_chain(ca_id)
pems = x509.pkcs7_to_pems(pkcs7_der, x509.DER)
ders = [x509.normalize_certificate(pem) for pem in pems]
certs = x509.pkcs7_to_certs(pkcs7_der, x509.DER)
ders = [cert.public_bytes(x509.Encoding.DER) for cert in certs]
entry['certificate_chain'] = ders

13
ipaserver/plugins/cert.py
View File

@ -490,7 +490,8 @@ class BaseCertObject(Object):
"""
if 'certificate' in obj:
cert = x509.load_pem_x509_certificate(obj['certificate'])
cert = x509.load_der_x509_certificate(
base64.b64decode(obj['certificate']))
obj['subject'] = DN(cert.subject)
obj['issuer'] = DN(cert.issuer)
obj['serial_number'] = cert.serial_number
@ -505,7 +506,7 @@ class BaseCertObject(Object):
cert.fingerprint(hashes.SHA256()))
general_names = x509.process_othernames(
x509.get_san_general_names(cert))
cert.san_general_names)
for gn in general_names:
try:
@ -911,7 +912,7 @@ class cert_request(Create, BaseCertMethod, VirtualCommand):
profile = api.Command['certprofile_show'](profile_id)
store = profile['result']['ipacertprofilestoreissued'][0] == 'TRUE'
if store and 'certificate' in result:
cert = str(result.get('certificate'))
cert = result.get('certificate')
kwargs = dict(addattr=u'usercertificate={}'.format(cert))
# note: we call different commands for the different
# principal types because handling of 'userCertificate'
@ -927,7 +928,8 @@ class cert_request(Create, BaseCertMethod, VirtualCommand):
"used for krbtgt certificates")
if 'certificate_chain' in ca_obj:
cert = x509.load_pem_x509_certificate(result['certificate'])
cert = x509.load_der_x509_certificate(
base64.b64decode(result['certificate']))
cert = cert.public_bytes(serialization.Encoding.DER)
result['certificate_chain'] = [cert] + ca_obj['certificate_chain']
@ -1191,7 +1193,8 @@ class cert_show(Retrieve, CertMethod, VirtualCommand):
# we don't tell Dogtag the issuer (but we check the cert after).
#
result = self.Backend.ra.get_certificate(str(serial_number))
cert = x509.load_pem_x509_certificate(result['certificate'])
cert = x509.load_der_x509_certificate(
base64.b64decode(result['certificate']))
try:
self.check_access()

7
ipaserver/plugins/certmap.py
View File

@ -17,7 +17,6 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import base64
import logging
import dbus
@ -439,12 +438,14 @@ class _sssd(object):
:raise RemoteRetrieveError: if DBus error occurs
"""
try:
pem = x509.make_pem(base64.b64encode(cert))
cert_obj = x509.load_der_x509_certificate(cert)
# bug 3306 in sssd returns 0 entry when max_entries = 0
# Temp workaround is to use a non-null value, not too high
# to avoid reserving unneeded memory
max_entries = dbus.UInt32(100)
user_paths = self._users_iface.ListByCertificate(pem, max_entries)
user_paths = self._users_iface.ListByCertificate(
cert_obj.public_bytes(x509.Encoding.PEM),
max_entries)
users = dict()
for user_path in user_paths:
user_obj = self._bus.get_object(DBUS_SSSD_NAME, user_path)

4
ipatests/test_ipalib/test_x509.py
View File

@ -81,11 +81,11 @@ class test_x509(object):
# Load a good cert with headers and leading text
newcert = (
'leading text\n' + goodcert_headers)
b'leading text\n' + goodcert_headers)
x509.load_pem_x509_certificate(newcert)
# Load a good cert with bad headers
newcert = '-----BEGIN CERTIFICATE-----' + goodcert_headers
newcert = b'-----BEGIN CERTIFICATE-----' + goodcert_headers
with pytest.raises((TypeError, ValueError)):
x509.load_pem_x509_certificate(newcert)

20
ipatests/test_ipaserver/test_ldap.py
View File

@ -78,9 +78,8 @@ class test_ldap(object):
self.conn.connect(autobind=AUTOBIND_DISABLED)
entry_attrs = self.conn.get_entry(self.dn, ['usercertificate'])
cert = entry_attrs.get('usercertificate')
cert = cert[0]
serial = x509.load_certificate(cert, x509.DER).serial_number
assert serial is not None
cert = x509.load_der_x509_certificate(cert[0])
assert cert.serial_number is not None
def test_simple(self):
"""
@ -96,9 +95,8 @@ class test_ldap(object):
self.conn.connect(bind_dn=DN(('cn', 'directory manager')), bind_pw=dm_password)
entry_attrs = self.conn.get_entry(self.dn, ['usercertificate'])
cert = entry_attrs.get('usercertificate')
cert = cert[0]
serial = x509.load_certificate(cert, x509.DER).serial_number
assert serial is not None
cert = x509.load_der_x509_certificate(cert[0])
assert cert.serial_number is not None
def test_Backend(self):
"""
@ -123,9 +121,8 @@ class test_ldap(object):
result = myapi.Command['service_show']('ldap/%s@%s' % (api.env.host, api.env.realm,))
entry_attrs = result['result']
cert = entry_attrs.get('usercertificate')
cert = cert[0]
serial = x509.load_certificate(cert, x509.DER).serial_number
assert serial is not None
cert = x509.load_der_x509_certificate(cert[0])
assert cert.serial_number is not None
def test_autobind(self):
"""
@ -138,9 +135,8 @@ class test_ldap(object):
raise nose.SkipTest("Only executed as root")
entry_attrs = self.conn.get_entry(self.dn, ['usercertificate'])
cert = entry_attrs.get('usercertificate')
cert = cert[0]
serial = x509.load_certificate(cert, x509.DER).serial_number
assert serial is not None
cert = x509.load_der_x509_certificate(cert[0])
assert cert.serial_number is not None
@pytest.mark.tier0

5
ipatests/test_xmlrpc/testcert.py
View File

@ -29,6 +29,7 @@ import os
import tempfile
import shutil
import six
import base64
from ipalib import api, x509
from ipaserver.plugins import rabase
@ -96,4 +97,6 @@ def makecert(reqdir, subject, principal):
csr = unicode(generate_csr(reqdir, pwname, str(subject)))
res = api.Command['cert_request'](csr, principal=principal, add=True)
return x509.make_pem(res['result']['certificate'])
cert = x509.load_der_x509_certificate(
base64.b64decode(res['result']['certificate']))
return cert.public_bytes(x509.Encoding.PEM).decode('utf-8')