freeipa/ipatests/test_ipalib/test_x509.py
Michal Reznik 29d0f8673c test_x509: test very long OID
Active Directory creates OIDs long enough to trigger a failure.
This can cause e.g. ipa-server-install failure when installing
with an externally-signed CA.

https://pagure.io/freeipa/issue/7300

Reviewed-By: Christian Heimes <cheimes@redhat.com>
2017-12-11 12:05:16 +01:00

205 lines
8.4 KiB
Python

# Authors:
# Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2010 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Test the `ipalib.x509` module.
"""
import base64
import datetime
import pytest
from cryptography import x509 as crypto_x509
from ipalib import x509
from ipapython.dn import DN
pytestmark = pytest.mark.tier0
# certutil -
# certificate for CN=ipa.example.com,O=IPA
goodcert = (
b'MIICAjCCAWugAwIBAgICBEUwDQYJKoZIhvcNAQEFBQAwKTEnMCUGA1UEAxMeSVBB'
b'IFRlc3QgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MB4XDTEwMDYyNTEzMDA0MloXDTE1'
b'MDYyNTEzMDA0MlowKDEMMAoGA1UEChMDSVBBMRgwFgYDVQQDEw9pcGEuZXhhbXBs'
b'ZS5jb20wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAJcZ+H6+cQaN/BlzR8OY'
b'kVeJgaU5tCaV9FF1m7Ws/ftPtTJUaSL1ncp6603rjA4tH1aa/B8i8xdC46+ZbY2a'
b'u8b9ryGcOsx2uaRpNLEQ2Fy//q1kQC8oM+iD8Nd6osF0a2wnugsgnJHPuJzhViaW'
b'xYgzk5DRdP81debokF3f3FX/AgMBAAGjOjA4MBEGCWCGSAGG+EIBAQQEAwIGQDAT'
b'BgNVHSUEDDAKBggrBgEFBQcDATAOBgNVHQ8BAf8EBAMCBPAwDQYJKoZIhvcNAQEF'
b'BQADgYEALD6X9V9w381AzzQPcHsjIjiX3B/AF9RCGocKZUDXkdDhsD9NZ3PLPEf1'
b'AMjkraKG963HPB8scyiBbbSuSh6m7TCp0eDgRpo77zNuvd3U4Qpm0Qk+KEjtHQDj'
b'NNG6N4ZnCQPmjFPScElvc/GgW7XMbywJy2euF+3/Uip8cnPgSH4='
)
goodcert_headers = (
b'-----BEGIN CERTIFICATE-----\n' +
goodcert +
b'\n-----END CERTIFICATE-----'
)
# The base64-encoded string 'bad cert'
badcert = (
b'-----BEGIN CERTIFICATE-----\n'
b'YmFkIGNlcnQ=\r\n'
b'-----END CERTIFICATE-----'
)
good_pkcs7 = (
b'-----BEGIN PKCS7-----\n'
b'MIIDvAYJKoZIhvcNAQcCoIIDrTCCA6kCAQExADALBgkqhkiG9w0BBwGgggOPMIID\n'
b'izCCAnOgAwIBAgIBATANBgkqhkiG9w0BAQsFADA2MRQwEgYDVQQKDAtFWEFNUExF\n'
b'LkNPTTEeMBwGA1UEAwwVQ2VydGlmaWNhdGUgQXV0aG9yaXR5MB4XDTE3MDkyMDIw\n'
b'NDI1N1oXDTM3MDkyMDIwNDI1N1owNjEUMBIGA1UECgwLRVhBTVBMRS5DT00xHjAc\n'
b'BgNVBAMMFUNlcnRpZmljYXRlIEF1dGhvcml0eTCCASIwDQYJKoZIhvcNAQEBBQAD\n'
b'ggEPADCCAQoCggEBAMNojX57UCCPTtEn9tQJBS4By5NixwodKm1UqOGsiecDrB0i\n'
b'Pw7D6uGP6g4b6srYtbh+YsRJnfekB2L08q1dX3LVEItq2TS0WKqgZuRZkw7DvnGl\n'
b'eANMwjHmE8k6/E0yI3GGxJLAfDZYw6CDspLkyN9anjQwVCz5N5z5bpeqi5BeVwin\n'
b'O8WVF6FNn3iyL66uwOsTGEzCo3Y5HiwqYgaND73TtdsBHcIqOdRql3CC3IdoXXcW\n'
b'044w4Lm2E95MuY729pPBHREtyzVkYtyuoKJ8KApghIY5oCklBkRDjyFK4tE7iF/h\n'
b's+valeT9vcz2bHMIpvbjqAu/kqE8MjcNEFPjLhcCAwEAAaOBozCBoDAfBgNVHSME\n'
b'GDAWgBTUB04/d1eLhbMtBi4AB65tsAt+2TAPBgNVHRMBAf8EBTADAQH/MA4GA1Ud\n'
b'DwEB/wQEAwIBxjAdBgNVHQ4EFgQU1AdOP3dXi4WzLQYuAAeubbALftkwPQYIKwYB\n'
b'BQUHAQEEMTAvMC0GCCsGAQUFBzABhiFodHRwOi8vaXBhLWNhLmdyZXlvYWsuY29t\n'
b'L2NhL29jc3AwDQYJKoZIhvcNAQELBQADggEBADQFwX1uh8tqLq8SqWZWtH95j33o\n'
b'5Ze2dW7sVppb/wVnNauG0wDQW7uIx+Ynr7GgufXLNBMn1aP/mA2CdHk7NZz2IB1s\n'
b'ZvbIfE8dVxzkA+Hh9d6cdgk4eU5rGf6Fw8ScEJ/48Mmncea3uGkHcOmt+BGLA8a1\n'
b'wtruy+iQylOkbv36CbxKV7IsZDP106Zc+cVeOUQZnCLKmvQkotn6UJd8N1X0R2J3\n'
b'4/qv0rUtcCnyEBNSgpTGCRlYM4kd98Dqc5W7wUpMcsQMFxQMSYY7pFQkdLPfJEx2\n'
b'Mg63SPawxfAgUeukrdsF3wTIKkIBu1TVse+kvRvgmRRrfF2a4ZOv5qORe2uhADEA\n'
b'-----END PKCS7-----'
)
long_oid_cert = b'''
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
'''
class test_x509(object):
"""
Test `ipalib.x509`
I created the contents of this certificate with a self-signed CA with:
% certutil -R -s "CN=ipa.example.com,O=IPA" -d . -a -o example.csr
% ./ipa host-add ipa.example.com
% ./ipa cert-request --add --principal=test/ipa.example.com example.csr
"""
def test_1_load_base64_cert(self):
"""
Test loading a base64-encoded certificate.
"""
# Load a good cert
x509.load_pem_x509_certificate(goodcert_headers)
# Load a good cert with headers and leading text
newcert = (
b'leading text\n' + goodcert_headers)
x509.load_pem_x509_certificate(newcert)
# Load a good cert with bad headers
newcert = b'-----BEGIN CERTIFICATE-----' + goodcert_headers
with pytest.raises((TypeError, ValueError)):
x509.load_pem_x509_certificate(newcert)
# Load a bad cert
with pytest.raises(ValueError):
x509.load_pem_x509_certificate(badcert)
def test_1_load_der_cert(self):
"""
Test loading a DER certificate.
"""
der = base64.b64decode(goodcert)
# Load a good cert
x509.load_der_x509_certificate(der)
def test_3_cert_contents(self):
"""
Test the contents of a certificate
"""
# Verify certificate contents. This exercises python-cryptography
# more than anything but confirms our usage of it.
not_before = datetime.datetime(2010, 6, 25, 13, 0, 42)
not_after = datetime.datetime(2015, 6, 25, 13, 0, 42)
cert = x509.load_pem_x509_certificate(goodcert_headers)
assert DN(cert.subject) == DN(('CN', 'ipa.example.com'), ('O', 'IPA'))
assert DN(cert.issuer) == DN(('CN', 'IPA Test Certificate Authority'))
assert cert.serial_number == 1093
assert cert.not_valid_before == not_before
assert cert.not_valid_after == not_after
def test_load_pkcs7_pem(self):
certlist = x509.pkcs7_to_certs(good_pkcs7, datatype=x509.PEM)
assert len(certlist) == 1
cert = certlist[0]
assert DN(cert.subject) == DN('CN=Certificate Authority,O=EXAMPLE.COM')
assert cert.serial_number == 1
def test_long_oid(self):
"""
Test cerificate with very long OID. In this case we are using a
certificate from an opened case where one of X509v3 Certificate`s
Policies OID is longer then 80 chars.
"""
cert = x509.load_pem_x509_certificate(long_oid_cert)
ext = cert.extensions.get_extension_for_class(crypto_x509.
CertificatePolicies)
assert len(ext.value) == 1
assert ext.value[0].policy_identifier.dotted_string == (
u'1.3.6.1.4.1.311.21.8.8950086.10656446.2706058.12775672.480128.'
'147.13466065.13029902')