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# Copyright 2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import uuid
import ldappool
from oslo_config import cfg
from keystone.common.ldap import core as ldap_core
from keystone.identity.backends import ldap
from keystone.tests import unit as tests
from keystone.tests.unit import fakeldap
from keystone.tests.unit import test_backend_ldap_pool
from keystone.tests.unit import test_ldap_livetest
CONF = cfg.CONF
class LiveLDAPPoolIdentity(test_backend_ldap_pool.LdapPoolCommonTestMixin,
test_ldap_livetest.LiveLDAPIdentity):
"""Executes existing LDAP live test with pooled LDAP handler.
Also executes common pool specific tests via Mixin class.
"""
def setUp(self):
super(LiveLDAPPoolIdentity, self).setUp()
self.addCleanup(self.cleanup_pools)
# storing to local variable to avoid long references
self.conn_pools = ldap_core.PooledLDAPHandler.connection_pools
def config_files(self):
config_files = super(LiveLDAPPoolIdentity, self).config_files()
config_files.append(tests.dirs.
tests_conf('backend_pool_liveldap.conf'))
return config_files
def test_assert_connector_used_not_fake_ldap_pool(self):
handler = ldap_core._get_connection(CONF.ldap.url, use_pool=True)
self.assertNotEqual(type(handler.Connector),
type(fakeldap.FakeLdapPool))
self.assertEqual(type(ldappool.StateConnector),
type(handler.Connector))
def test_async_search_and_result3(self):
self.config_fixture.config(group='ldap', page_size=1)
self.test_user_enable_attribute_mask()
def test_pool_size_expands_correctly(self):
who = CONF.ldap.user
cred = CONF.ldap.password
# get related connection manager instance
ldappool_cm = self.conn_pools[CONF.ldap.url]
def _get_conn():
return ldappool_cm.connection(who, cred)
with _get_conn() as c1: # 1
self.assertEqual(1, len(ldappool_cm))
self.assertTrue(c1.connected, True)
self.assertTrue(c1.active, True)
with _get_conn() as c2: # conn2
self.assertEqual(2, len(ldappool_cm))
self.assertTrue(c2.connected)
self.assertTrue(c2.active)
self.assertEqual(2, len(ldappool_cm))
# c2 went out of context, its connected but not active
self.assertTrue(c2.connected)
self.assertFalse(c2.active)
with _get_conn() as c3: # conn3
self.assertEqual(2, len(ldappool_cm))
self.assertTrue(c3.connected)
self.assertTrue(c3.active)
self.assertTrue(c3 is c2) # same connection is reused
self.assertTrue(c2.active)
with _get_conn() as c4: # conn4
self.assertEqual(3, len(ldappool_cm))
self.assertTrue(c4.connected)
self.assertTrue(c4.active)
def test_password_change_with_auth_pool_disabled(self):
self.config_fixture.config(group='ldap', use_auth_pool=False)
old_password = self.user_sna['password']
self.test_password_change_with_pool()
self.assertRaises(AssertionError,
self.identity_api.authenticate,
context={},
user_id=self.user_sna['id'],
password=old_password)
def _create_user_and_authenticate(self, password):
user_dict = {
'domain_id': CONF.identity.default_domain_id,
'name': uuid.uuid4().hex,
'password': password}
user = self.identity_api.create_user(user_dict)
self.identity_api.authenticate(
context={},
user_id=user['id'],
password=password)
return self.identity_api.get_user(user['id'])
def _get_auth_conn_pool_cm(self):
pool_url = ldap_core.PooledLDAPHandler.auth_pool_prefix + CONF.ldap.url
return self.conn_pools[pool_url]
def _do_password_change_for_one_user(self, password, new_password):
self.config_fixture.config(group='ldap', use_auth_pool=True)
self.cleanup_pools()
self.load_backends()
user1 = self._create_user_and_authenticate(password)
auth_cm = self._get_auth_conn_pool_cm()
self.assertEqual(1, len(auth_cm))
user2 = self._create_user_and_authenticate(password)
self.assertEqual(1, len(auth_cm))
user3 = self._create_user_and_authenticate(password)
self.assertEqual(1, len(auth_cm))
user4 = self._create_user_and_authenticate(password)
self.assertEqual(1, len(auth_cm))
user5 = self._create_user_and_authenticate(password)
self.assertEqual(1, len(auth_cm))
# connection pool size remains 1 even for different user ldap bind
# as there is only one active connection at a time
user_api = ldap.UserApi(CONF)
u1_dn = user_api._id_to_dn_string(user1['id'])
u2_dn = user_api._id_to_dn_string(user2['id'])
u3_dn = user_api._id_to_dn_string(user3['id'])
u4_dn = user_api._id_to_dn_string(user4['id'])
u5_dn = user_api._id_to_dn_string(user5['id'])
# now create multiple active connections for end user auth case which
# will force to keep them in pool. After that, modify one of user
# password. Need to make sure that user connection is in middle
# of pool list.
auth_cm = self._get_auth_conn_pool_cm()
with auth_cm.connection(u1_dn, password) as _:
with auth_cm.connection(u2_dn, password) as _:
with auth_cm.connection(u3_dn, password) as _:
with auth_cm.connection(u4_dn, password) as _:
with auth_cm.connection(u5_dn, password) as _:
self.assertEqual(5, len(auth_cm))
_.unbind_s()
user3['password'] = new_password
self.identity_api.update_user(user3['id'], user3)
return user3
def test_password_change_with_auth_pool_enabled_long_lifetime(self):
self.config_fixture.config(group='ldap',
auth_pool_connection_lifetime=600)
old_password = 'my_password'
new_password = 'new_password'
user = self._do_password_change_for_one_user(old_password,
new_password)
user.pop('password')
# with long connection lifetime auth_pool can bind to old password
# successfully which is not desired if password change is frequent
# use case in a deployment.
# This can happen in multiple concurrent connections case only.
user_ref = self.identity_api.authenticate(
context={}, user_id=user['id'], password=old_password)
self.assertDictEqual(user_ref, user)
def test_password_change_with_auth_pool_enabled_no_lifetime(self):
self.config_fixture.config(group='ldap',
auth_pool_connection_lifetime=0)
old_password = 'my_password'
new_password = 'new_password'
user = self._do_password_change_for_one_user(old_password,
new_password)
# now as connection lifetime is zero, so authentication
# with old password will always fail.
self.assertRaises(AssertionError,
self.identity_api.authenticate,
context={}, user_id=user['id'],
password=old_password)
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