def configure(self, enable, directory):
def create_server_args(params):
validate = ssl.CERT_REQUIRED if params['verify_certificate'] else ssl.CERT_NONE
if params['encryption'] == 'OFF':
return {}
if params['encryption'] == 'SSL':
tls = ldap3.Tls(validate=validate)
return {
'port': 636,
'use_ssl': True,
'tls': tls
}
if params['encryption'] == 'TLS':
tls = ldap3.Tls(validate=validate)
return {
'tls': tls
}
with self.cv:
self.directory = directory
self.parameters = directory.parameters
self.enabled = enable
self.server = ldap3.Server(self.parameters['server'], **create_server_args(self.parameters))
self.base_dn = self.parameters['base_dn']
self.user_dn = join_dn(self.parameters['user_suffix'], self.base_dn)
self.group_dn = join_dn(self.parameters['group_suffix'], self.base_dn)
self.start_tls = self.parameters['encryption'] == 'TLS'
self.cv.notify_all()
return dn_to_domain(directory.parameters['base_dn'])
def configure(self, enable, directory):
def create_server_args(params):
validate = ssl.CERT_REQUIRED if params['verify_certificate'] else ssl.CERT_NONE
if params['encryption'] == 'OFF':
return {}
if params['encryption'] == 'SSL':
tls = ldap3.Tls(validate=validate)
return {
'port': 636,
'use_ssl': True,
'tls': tls
}
if params['encryption'] == 'TLS':
tls = ldap3.Tls(validate=validate)
return {
'tls': tls
}
with self.cv:
self.directory = directory
self.parameters = directory.parameters
self.enabled = enable
self.server = ldap3.Server(self.parameters['server'], **create_server_args(self.parameters))
self.base_dn = self.parameters['base_dn']
self.user_dn = join_dn(self.parameters['user_suffix'], self.base_dn)
self.group_dn = join_dn(self.parameters['group_suffix'], self.base_dn)
self.start_tls = self.parameters['encryption'] == 'TLS'
self.cv.notify_all()
return dn_to_domain(directory.parameters['base_dn'])
def configure(self, enable, uid_min, uid_max, gid_min, gid_max, parameters):
self.parameters = parameters
self.server = ldap3.Server(self.parameters['server'])
self.base_dn = self.parameters['base_dn']
self.user_dn = join_dn(self.parameters['user_suffix'], self.base_dn)
self.group_dn = join_dn(self.parameters['group_suffix'], self.base_dn)
self.conn = ldap3.Connection(
self.server,
client_strategy='ASYNC',
user=self.parameters['bind_dn'],
password=self.parameters['password']
)
self.conn.bind()
return dn_to_domain(parameters['base_dn'])
def authenticate(self, user, password):
logger.debug('authenticate(user={0}, password=<...>)'.format(user))
try:
return self.conn.rebind(
join_dn('uid={0}'.format(user), self.user_dn), password)
except:
return False
def authenticate(self, user, password):
logger.debug('authenticate(user={0}, password=<...>)'.format(user))
try:
self.conn.rebind(join_dn(user, self.user_dn), password)
return True
except:
return False
def authenticate(self, user_name, password):
with self.bind_lock:
try:
self.conn.rebind(user=join_dn('uid={0}'.format(user_name),
self.user_dn),
password=password)
except ldap3.LDAPBindError:
self.conn.bind()
return False
self.conn.bind()
return True
def authenticate(self, user_name, password):
with self.bind_lock:
try:
self.conn.rebind(
user=join_dn('uid={0}'.format(user_name), self.user_dn),
password=password
)
except ldap3.LDAPBindError:
self.conn.bind()
return False
self.conn.bind()
return True
def getgrnam(self, name):
logger.debug('getgrnam(name={0})'.format(name))
group = self.search_one(join_dn('cn={0}'.format(name), self.group_dn), '(objectclass=posixGroup)')
return self.convert_group(group)
def getpwnam(self, name):
logger.debug('getpwnam(name={0})'.format(name))
user = self.search_one(join_dn('uid={0}'.format(name), self.user_dn), '(objectclass=posixAccount)')
return self.convert_user(user)
def getgrnam(self, name):
logger.debug('getgrnam(name={0})'.format(name))
group = self.search_one(join_dn('cn={0}'.format(name), self.group_dn), '(objectclass=posixGroup)')
return self.convert_group(group)
def getpwnam(self, name):
logger.debug('getpwnam(name={0})'.format(name))
user = self.search_one(join_dn('uid={0}'.format(name), self.user_dn), '(objectclass=posixAccount)')
return self.convert_user(user)
def base_dn(self):
return join_dn('CN=Users', domain_to_dn(self.realm))
def bind(self):
logger.debug('Bind thread: starting')
while True:
with self.cv:
notify = self.cv.wait(60)
if notify:
if self.is_joined() and self.enabled:
self.directory.put_state(DirectoryState.EXITING)
self.leave()
if self.enabled:
try:
obtain_or_renew_ticket(self.principal, self.parameters['password'])
except krb5.KrbException as err:
self.directory.put_status(errno.ENXIO, '{0} <{1}>'.format(str(err), type(err).__name__))
self.directory.put_state(DirectoryState.FAILURE)
continue
if not self.is_joined(True):
# Try to rejoin
logger.debug('Keepalive thread: rejoining')
self.directory.put_state(DirectoryState.JOINING)
if not self.join():
continue
else:
self.domain_info = self.wbc.get_domain_info(self.realm)
self.domain_name = self.wbc.interface.netbios_domain
if self.directory.state != DirectoryState.BOUND:
try:
logger.debug('Initializing LDAP connection')
logger.debug('LDAP server addresses: {0}'.format(', '.join(self.ldap_addresses)))
ldap_addresses = self.ldap_addresses
sasl_credentials = None
if self.parameters.get('dc_address'):
logger.debug('Using manually configured DC address')
sasl_credentials = (self.ldap_addresses[0][:-1],)
ldap_addresses = get_a_records(self.ldap_addresses[0], self.parameters['dc_address'])
self.ldap_servers = [ldap3.Server(i) for i in ldap_addresses]
self.ldap = ldap3.Connection(
self.ldap_servers,
client_strategy='ASYNC',
authentication=ldap3.SASL,
sasl_mechanism='GSSAPI',
sasl_credentials=sasl_credentials
)
if not self.ldap.bind():
# try TLS now
logger.warning('Regular bind failed, trying STARTTLS...')
self.ldap.start_tls()
if not self.ldap.bind():
raise RuntimeError("Failed to bind")
logger.debug('LDAP bound')
# Figure out group DN and prefetch "Domain Users" GUID
for dn in ('CN=Users', 'CN=Groups'):
du = self.search_one(join_dn(dn, self.base_dn), '(sAMAccountName=Domain Users)')
if not du:
continue
self.domain_users_guid = uuid.UUID(bytes=du['attributes']['objectGUID'][0])
self.user_dn = join_dn('CN=Users', self.base_dn)
self.group_dn = join_dn(dn, self.base_dn)
logger.debug('Group DN is {0}'.format(self.group_dn))
logger.debug('Domain Users GUID is {0}'.format(self.domain_users_guid))
break
else:
raise RuntimeError('Failed to fetch Domain Users')
except BaseException as err:
self.directory.put_status(errno.ENXIO, '{0} <{1}>'.format(str(err), type(err).__name__))
self.directory.put_state(DirectoryState.FAILURE)
else:
self.directory.put_state(DirectoryState.BOUND)
else:
if self.directory.state != DirectoryState.DISABLED:
self.leave()
self.directory.put_state(DirectoryState.DISABLED)
