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From 94ca49d991b3f5bb404533f84970a1b2485d9cc8 Mon Sep 17 00:00:00 2001
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From: Antonio Torres <antorres@redhat.com>
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Date: Fri, 23 Apr 2021 17:48:14 +0200
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Subject: [PATCH] Add tests for certificate mismatch detection
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Add tests for the IPACertMatchCheck and IPADogtagCertsMatchCheck plugins.
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Related: https://bugzilla.redhat.com/show_bug.cgi?id=1886770
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Signed-off-by: Antonio Torres <antorres@redhat.com>
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---
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tests/test_ipa_cert_match.py | 282 +++++++++++++++++++++++++++++++++++
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1 file changed, 282 insertions(+)
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create mode 100644 tests/test_ipa_cert_match.py
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diff --git a/tests/test_ipa_cert_match.py b/tests/test_ipa_cert_match.py
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new file mode 100644
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index 0000000..460e61a
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--- /dev/null
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+++ b/tests/test_ipa_cert_match.py
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@@ -0,0 +1,282 @@
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+#
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+# Copyright (C) 2021 FreeIPA Contributors see COPYING for license
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+#
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+
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+from util import capture_results, m_api, CAInstance, KRAInstance
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+from base import BaseTest
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+from ipahealthcheck.core import config, constants
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+from ipahealthcheck.ipa.plugin import registry
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+from ipahealthcheck.ipa.certs import IPACertMatchCheck
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+from ipahealthcheck.ipa.certs import IPADogtagCertsMatchCheck
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+from unittest.mock import Mock, patch
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+
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+from ipalib import errors
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+from ipapython.dn import DN
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+from ipapython.ipaldap import LDAPClient, LDAPEntry
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+
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+
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+class IPACertificate:
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+ def __init__(self, serial_number=1):
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+ self.serial_number = serial_number
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+
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+ def __eq__(self, other):
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+ return self.serial_number == other.serial_number
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+
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+ def __hash__(self):
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+ return hash(self.serial_number)
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+
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+
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+class mock_ldap:
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+ SCOPE_BASE = 1
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+ SCOPE_ONELEVEL = 2
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+ SCOPE_SUBTREE = 4
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+
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+ def __init__(self, entries):
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+ """Initialize the results that we will return from get_entry"""
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+ self.results = {entry.dn: entry for entry in entries}
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+
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+ def get_entry(self, dn, attrs_list=None, time_limit=None,
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+ size_limit=None, get_effective_rights=False):
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+ if self.results is None:
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+ raise errors.NotFound(reason='test')
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+ return self.results[dn]
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+
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+ def get_entries(self, base_dn, scope=SCOPE_SUBTREE, filter=None,
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+ attrs_list=None, get_effective_rights=False, **kwargs):
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+ if self.results is None:
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+ raise errors.NotFound(reason='test')
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+ return self.results.values()
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+
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+
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+class mock_ldap_conn:
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+ def set_option(self, option, invalue):
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+ pass
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+
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+ def search_s(self, base, scope, filterstr=None,
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+ attrlist=None, attrsonly=0):
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+ return tuple()
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+
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+
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+class mock_CertDB:
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+ def __init__(self, trust):
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+ """A dict of nickname + NSSdb trust flags"""
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+ self.trust = trust
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+ self.secdir = '/foo/bar/testdir'
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+
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+ def get_cert_from_db(self, nickname):
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+ if nickname not in self.trust.keys():
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+ raise errors.NotFound(reason='test')
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+ return IPACertificate()
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+
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+ def run_certutil(self, args, capture_output):
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+ class RunResult:
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+ def __init__(self, output):
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+ self.raw_output = output
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+
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+ return RunResult(b'test output')
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+
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+
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+class TestIPACertMatch(BaseTest):
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+ patches = {
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+ 'ldap.initialize':
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+ Mock(return_value=mock_ldap_conn())
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+ }
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+
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+ @patch('ipalib.x509.load_certificate_list_from_file')
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+ @patch('ipaserver.install.certs.CertDB')
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+ def test_certs_match_ok(self, mock_certdb, mock_load_cert):
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+ """ Ensure match check is ok"""
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+ fake_conn = LDAPClient('ldap://localhost', no_schema=True)
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+ cacertentry = LDAPEntry(fake_conn,
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+ DN('cn=%s IPA CA' % m_api.env.realm,
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+ 'cn=certificates,cn=ipa,cn=etc',
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+ m_api.env.basedn),
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+ CACertificate=[IPACertificate()])
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+ trust = {
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+ ('%s IPA CA' % m_api.env.realm): 'u,u,u'
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+ }
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+
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+ mock_certdb.return_value = mock_CertDB(trust)
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+ mock_load_cert.return_value = [IPACertificate()]
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+
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+ framework = object()
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+ registry.initialize(framework, config.Config())
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+ f = IPACertMatchCheck(registry)
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+ f.conn = mock_ldap([cacertentry])
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+ self.results = capture_results(f)
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+
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+ assert len(self.results) == 3
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+ for result in self.results.results:
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+ assert result.result == constants.SUCCESS
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+ assert result.source == 'ipahealthcheck.ipa.certs'
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+ assert result.check == 'IPACertMatchCheck'
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+
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+ @patch('ipalib.x509.load_certificate_list_from_file')
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+ @patch('ipaserver.install.certs.CertDB')
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+ def test_etc_cacert_mismatch(self, mock_certdb, mock_load_cert):
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+ """ Test mismatch with /etc/ipa/ca.crt """
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+ fake_conn = LDAPClient('ldap://localhost', no_schema=True)
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+ cacertentry = LDAPEntry(fake_conn,
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+ DN('cn=%s IPA CA' % m_api.env.realm,
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+ 'cn=certificates,cn=ipa,cn=etc',
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+ m_api.env.basedn),
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+ CACertificate=[IPACertificate()])
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+ trust = {
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+ ('%s IPA CA' % m_api.env.realm): 'u,u,u'
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+ }
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+
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+ mock_certdb.return_value = mock_CertDB(trust)
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+ mock_load_cert.return_value = [IPACertificate(serial_number=2)]
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+
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+ framework = object()
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+ registry.initialize(framework, config.Config())
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+ f = IPACertMatchCheck(registry)
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+ f.conn = mock_ldap([cacertentry])
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+ self.results = capture_results(f)
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+
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+ assert len(self.results) == 3
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+ result = self.results.results[0]
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+ assert result.result == constants.ERROR
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+ assert result.source == 'ipahealthcheck.ipa.certs'
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+ assert result.check == 'IPACertMatchCheck'
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+
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+ @patch('ipaserver.install.cainstance.CAInstance')
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+ def test_cacert_caless(self, mock_cainstance):
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+ """Nothing to check if the master is CALess"""
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+
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+ mock_cainstance.return_value = CAInstance(False)
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+
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+ framework = object()
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+ registry.initialize(framework, config)
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+ f = IPACertMatchCheck(registry)
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+
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+ self.results = capture_results(f)
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+
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+ assert len(self.results) == 0
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+
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+
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+class TestIPADogtagCertMatch(BaseTest):
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+ patches = {
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+ 'ipaserver.install.krainstance.KRAInstance':
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+ Mock(return_value=KRAInstance()),
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+ }
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+
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+ @patch('ipaserver.install.certs.CertDB')
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+ def test_certs_match_ok(self, mock_certdb):
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+ """ Ensure match check is ok"""
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+ fake_conn = LDAPClient('ldap://localhost', no_schema=True)
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+ pkidbentry = LDAPEntry(fake_conn,
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+ DN('uid=pkidbuser,ou=people,o=ipaca'),
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+ userCertificate=[IPACertificate()],
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+ subjectName=['test'])
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+ casignentry = LDAPEntry(fake_conn,
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+ DN('cn=%s IPA CA' % m_api.env.realm,
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+ 'cn=certificates,cn=ipa,cn=etc',
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+ m_api.env.basedn),
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+ CACertificate=[IPACertificate()],
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+ userCertificate=[IPACertificate()],
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+ subjectName=['test'])
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+ ldap_entries = [pkidbentry, casignentry]
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+ trust = {
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+ 'ocspSigningCert cert-pki-ca': 'u,u,u',
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+ 'caSigningCert cert-pki-ca': 'u,u,u',
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+ 'subsystemCert cert-pki-ca': 'u,u,u',
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+ 'auditSigningCert cert-pki-ca': 'u,u,Pu',
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+ 'Server-Cert cert-pki-ca': 'u,u,u',
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+ 'transportCert cert-pki-kra': 'u,u,u',
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+ 'storageCert cert-pki-kra': 'u,u,u',
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+ 'auditSigningCert cert-pki-kra': 'u,u,Pu',
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+ }
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+
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+ dogtag_entries_subjects = (
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+ 'CN=OCSP Subsystem,O=%s' % m_api.env.realm,
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+ 'CN=CA Subsystem,O=%s' % m_api.env.realm,
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+ 'CN=CA Audit,O=%s' % m_api.env.realm,
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+ 'CN=%s,O=%s' % (m_api.env.host, m_api.env.realm),
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+ 'CN=KRA Transport Certificate,O=%s' % m_api.env.realm,
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+ 'CN=KRA Storage Certificate,O=%s' % m_api.env.realm,
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+ 'CN=KRA Audit,O=%s' % m_api.env.realm,
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+ )
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+
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+ for i, subject in enumerate(dogtag_entries_subjects):
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+ entry = LDAPEntry(fake_conn,
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+ DN('cn=%i,ou=certificateRepository' % i,
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+ 'ou=ca,o=ipaca'),
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+ userCertificate=[IPACertificate()],
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+ subjectName=[subject])
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+ ldap_entries.append(entry)
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+
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+ mock_certdb.return_value = mock_CertDB(trust)
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+
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+ framework = object()
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+ registry.initialize(framework, config.Config())
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+ f = IPADogtagCertsMatchCheck(registry)
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+ f.conn = mock_ldap(ldap_entries)
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+ self.results = capture_results(f)
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+
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+ assert len(self.results) == 3
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+ for result in self.results.results:
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+ assert result.result == constants.SUCCESS
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+ assert result.source == 'ipahealthcheck.ipa.certs'
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+ assert result.check == 'IPADogtagCertsMatchCheck'
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+
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+ @patch('ipaserver.install.certs.CertDB')
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+ def test_certs_mismatch(self, mock_certdb):
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+ """ Ensure mismatches are detected"""
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+ fake_conn = LDAPClient('ldap://localhost', no_schema=True)
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+ pkidbentry = LDAPEntry(fake_conn,
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+ DN('uid=pkidbuser,ou=people,o=ipaca'),
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+ userCertificate=[IPACertificate(
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+ serial_number=2
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+ )],
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+ subjectName=['test'])
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+ casignentry = LDAPEntry(fake_conn,
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+ DN('cn=%s IPA CA' % m_api.env.realm,
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+ 'cn=certificates,cn=ipa,cn=etc',
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+ m_api.env.basedn),
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+ CACertificate=[IPACertificate()],
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+ userCertificate=[IPACertificate()],
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+ subjectName=['test'])
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+ ldap_entries = [pkidbentry, casignentry]
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+ trust = {
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+ 'ocspSigningCert cert-pki-ca': 'u,u,u',
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+ 'caSigningCert cert-pki-ca': 'u,u,u',
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+ 'subsystemCert cert-pki-ca': 'u,u,u',
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+ 'auditSigningCert cert-pki-ca': 'u,u,Pu',
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+ 'Server-Cert cert-pki-ca': 'u,u,u',
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+ 'transportCert cert-pki-kra': 'u,u,u',
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+ 'storageCert cert-pki-kra': 'u,u,u',
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+ 'auditSigningCert cert-pki-kra': 'u,u,Pu',
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cf0866 |
+ }
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+
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+ dogtag_entries_subjects = (
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+ 'CN=OCSP Subsystem,O=%s' % m_api.env.realm,
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+ 'CN=CA Subsystem,O=%s' % m_api.env.realm,
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+ 'CN=CA Audit,O=%s' % m_api.env.realm,
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+ 'CN=%s,O=%s' % (m_api.env.host, m_api.env.realm),
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+ 'CN=KRA Transport Certificate,O=%s' % m_api.env.realm,
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+ 'CN=KRA Storage Certificate,O=%s' % m_api.env.realm,
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cf0866 |
+ 'CN=KRA Audit,O=%s' % m_api.env.realm,
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cf0866 |
+ )
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+
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+ for i, subject in enumerate(dogtag_entries_subjects):
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cf0866 |
+ entry = LDAPEntry(fake_conn,
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cf0866 |
+ DN('cn=%i,ou=certificateRepository' % i,
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cf0866 |
+ 'ou=ca,o=ipaca'),
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cf0866 |
+ userCertificate=[IPACertificate()],
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cf0866 |
+ subjectName=[subject])
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cf0866 |
+ ldap_entries.append(entry)
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cf0866 |
+
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cf0866 |
+ mock_certdb.return_value = mock_CertDB(trust)
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cf0866 |
+
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cf0866 |
+ framework = object()
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cf0866 |
+ registry.initialize(framework, config.Config())
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cf0866 |
+ f = IPADogtagCertsMatchCheck(registry)
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cf0866 |
+ f.conn = mock_ldap(ldap_entries)
|
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cf0866 |
+ self.results = capture_results(f)
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|
cf0866 |
+
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cf0866 |
+ assert len(self.results) == 3
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|
cf0866 |
+ result = self.results.results[0]
|
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|
cf0866 |
+ assert result.result == constants.ERROR
|
|
|
cf0866 |
+ assert result.source == 'ipahealthcheck.ipa.certs'
|
|
|
cf0866 |
+ assert result.check == 'IPADogtagCertsMatchCheck'
|
|
|
cf0866 |
--
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|
cf0866 |
2.26.3
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|
|
cf0866 |
|