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test_ikesa.py
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test_ikesa.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
""" This module defines test for protocol messages.
"""
__author__ = 'Alejandro Perez-Mendez <[email protected]>'
import logging
import time
import unittest
from ipaddress import ip_address, ip_network
from unittest import TestCase
from unittest.mock import patch
from configuration import Configuration
from ikesa import IkeSa
from message import TrafficSelector, Proposal, Message, Payload, PayloadNOTIFY, PayloadNotFound
from xfrm import Mode
logging.indent = 2
logging.basicConfig(level=logging.DEBUG,
format='[%(asctime)s.%(msecs)03d] [%(levelname)-7s] %(message)s',
datefmt='%Y-%m-%d %H:%M:%S')
# logging.disable()
class TestIkeSa(TestCase):
@patch('xfrm.Xfrm.send_recv')
def setUp(self, mockclass):
self.ip1 = ip_address("192.168.0.1")
self.ip2 = ip_address("192.168.0.2")
self.confdict = {
"testconn_alice": {
"my_addr": str(self.ip1),
"peer_addr": str(self.ip2),
"my_auth": {"id": "alice@openikev2", "psk": "testing"},
"peer_auth": {"id": "bob@openikev2", "psk": "testing2"},
"dh": ['ecp256'],
"integ": ["sha256"],
"prf": ["sha256"],
"protect": [{
"index": 1,
"ip_proto": "tcp",
"mode": "transport",
"lifetime": 5,
"peer_port": 0,
"ipsec_proto": "esp",
"encr": ["aes256", "aes128"],
}]
},
"testconn_bob": {
"my_addr": str(self.ip2),
"peer_addr": str(self.ip1),
"my_auth": {"id": "bob@openikev2", "psk": "testing2"},
"peer_auth": {"id": "alice@openikev2", "psk": "testing"},
"dh": ['ecp256'],
"integ": ["sha256"],
"prf": ["sha256"],
"protect": [{
"index": 2,
"ip_proto": "tcp",
"mode": "transport",
"lifetime": 5,
"peer_port": 23,
"ipsec_proto": "esp",
"encr": ["aes256", "aes128"]
}]
}
}
self.configuration = Configuration([self.ip1, self.ip2], self.confdict)
self.ike_sa1 = IkeSa(is_initiator=True, peer_spi=b'\0' * 8,
configuration=self.configuration.get_ike_configuration(self.ip1, self.ip2), my_addr=self.ip1,
peer_addr=self.ip2)
self.ike_sa2 = IkeSa(is_initiator=False, peer_spi=self.ike_sa1.my_spi,
configuration=self.configuration.get_ike_configuration(self.ip2, self.ip1), my_addr=self.ip2,
peer_addr=self.ip1)
def update_ike_sas_configuration(self):
self.configuration = Configuration([self.ip1, self.ip2], self.confdict)
self.ike_sa1.configuration = self.configuration.get_ike_configuration(self.ip1, self.ip2)
self.ike_sa2.configuration = self.configuration.get_ike_configuration(self.ip2, self.ip1)
def assertMessageHasNotification(self, message_data, ikesa, notification_type):
message = Message.parse(message_data, crypto=ikesa.my_crypto)
self.assertTrue(message.get_notifies(notification_type, ikesa.my_crypto is not None))
@patch('xfrm.Xfrm.send_recv')
def test_initial_exchanges_transport(self, mockclass):
# initial exchanges
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
# check there is no NONCE in the IKE_AUTH response
with self.assertRaises(PayloadNotFound):
message = Message.parse(ike_auth_res, crypto=self.ike_sa1.peer_crypto)
message.get_payload(Payload.Type.NONCE, encrypted=True)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_initial_exchanges_transport_rsa(self, mockclass):
privkey = """-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
"""
pubkey = '''-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEkT4cscvAVzUjuK4rsCvETPix
VfGGep/hUBcHnZyxN7XiFmaOEdE+W4TZ9EZy06W83qPfSYJrKt9n++mlFNWYgFsR
tFMsP0X9Z6c7QBTt684+NRZ6Te4Jyv/VrKxN/mCSufdQ88s6Wa/KhV8JiWvYs1l+
sEuNUHHDSswFehNOFQIDAQAB
-----END PUBLIC KEY-----'''
self.confdict['testconn_alice']['my_auth']['privkey'] = privkey
self.confdict['testconn_bob']['peer_auth']['pubkey'] = pubkey
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_create_child_ok(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_res = self.ike_sa2.process_message(create_child_req)
request = self.ike_sa1.process_message(create_child_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
@patch('xfrm.Xfrm.send_recv')
def test_create_child_with_ke(self, mockclass):
self.test_initial_exchanges_transport()
self.confdict['testconn_alice']['protect'][0]['dh'] = [14]
self.confdict['testconn_bob']['protect'][0]['dh'] = [14]
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_res = self.ike_sa2.process_message(create_child_req)
request = self.ike_sa1.process_message(create_child_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
@patch('xfrm.Xfrm.send_recv')
def test_create_child_invalid_ke(self, mockclass):
self.test_initial_exchanges_transport()
self.confdict['testconn_alice']['protect'][0]['dh'] = [18, 14]
self.confdict['testconn_bob']['protect'][0]['dh'] = [14]
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_res = self.ike_sa2.process_message(create_child_req)
self.assertMessageHasNotification(create_child_res, self.ike_sa2, PayloadNOTIFY.Type.INVALID_KE_PAYLOAD)
create_child_req = self.ike_sa1.process_message(create_child_res)
create_child_res = self.ike_sa2.process_message(create_child_req)
request = self.ike_sa1.process_message(create_child_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
@patch('xfrm.Xfrm.send_recv')
def test_ike_sa_init_no_proposal_chosen(self, mockclass):
self.confdict['testconn_alice']['dh'] = [16]
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
self.assertIsNone(ike_auth_req)
self.assertMessageHasNotification(ike_sa_init_res, self.ike_sa2, PayloadNOTIFY.Type.NO_PROPOSAL_CHOSEN)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_sa_init_invalid_ke(self, mockclass):
self.confdict['testconn_alice']['dh'].insert(0, 16)
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
self.assertMessageHasNotification(ike_sa_init_res, self.ike_sa2, PayloadNOTIFY.Type.INVALID_KE_PAYLOAD)
ike_sa_init_req_newgroup = self.ike_sa1.process_message(ike_sa_init_res)
ike_sa3 = IkeSa(is_initiator=False, peer_spi=self.ike_sa1.my_spi, my_addr=self.ip2, peer_addr=self.ip1,
configuration=self.configuration.get_ike_configuration(self.ip2, self.ip1))
ike_sa_init_res = ike_sa3.process_message(ike_sa_init_req_newgroup)
self.ike_sa1.process_message(ike_sa_init_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.AUTH_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(ike_sa3.state, IkeSa.State.INIT_RES_SENT)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
self.assertEqual(len(ike_sa3.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_sa_init_cookie(self, mockclass):
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
self.ike_sa2.cookie_secret = b'secret'
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
self.assertMessageHasNotification(ike_sa_init_res, self.ike_sa2, PayloadNOTIFY.Type.COOKIE)
ike_sa_init_req_cookie = self.ike_sa1.process_message(ike_sa_init_res)
ike_sa3 = IkeSa(is_initiator=False, peer_spi=self.ike_sa1.my_spi, my_addr=self.ip2, peer_addr=self.ip1,
configuration=self.configuration.get_ike_configuration(self.ip2, self.ip1))
ike_sa_init_res = ike_sa3.process_message(ike_sa_init_req_cookie)
self.ike_sa1.process_message(ike_sa_init_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.AUTH_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(ike_sa3.state, IkeSa.State.INIT_RES_SENT)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
self.assertEqual(len(ike_sa3.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_no_proposal_chosen(self, mockclass):
self.confdict['testconn_alice']['protect'][0]['ipsec_proto'] = 'ah'
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.NO_PROPOSAL_CHOSEN)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_mode(self, mockclass):
self.confdict['testconn_bob']['protect'][0]['mode'] = 'tunnel'
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.TS_UNACCEPTABLE)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_auth_type(self, mockclass):
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
message = Message.parse(ike_auth_req, crypto=self.ike_sa1.my_crypto)
message.get_payload(Payload.Type.AUTH, encrypted=True).method = 100
ike_auth_req = message.to_bytes()
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.AUTHENTICATION_FAILED)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_auth_data(self, mockclass):
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
message = Message.parse(ike_auth_req, crypto=self.ike_sa1.my_crypto)
message.get_payload(Payload.Type.AUTH, encrypted=True).auth_data += b'invalid'
ike_auth_req = message.to_bytes()
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.AUTHENTICATION_FAILED)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_id_type(self, mockclass):
self.confdict['testconn_alice']['my_auth']['id'] = 'carol'
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.AUTHENTICATION_FAILED)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_id_type_responder(self, mockclass):
self.confdict['testconn_bob']['my_auth']['id'] = 'carol'
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_id_data(self, mockclass):
self.confdict['testconn_alice']['my_auth']['id'] = 'alice@openikev3'
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.AUTHENTICATION_FAILED)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_id_data_responder(self, mockclass):
self.confdict['testconn_bob']['my_auth']['id'] = 'carol@openikev2'
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_invalid_ts(self, mockclass):
self.confdict['testconn_bob']['protect'][0]['my_subnet'] = "10.0.0.0/24"
self.update_ike_sas_configuration()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.TS_UNACCEPTABLE)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_ike_auth_missing_sa_payload(self, mockclass):
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
message = Message.parse(ike_auth_req, crypto=self.ike_sa1.my_crypto)
payload_sa = message.get_payload(Payload.Type.SA, True)
message.encrypted_payloads.remove(payload_sa)
ike_auth_req = message.to_bytes()
ike_auth_res = self.ike_sa2.process_message(ike_auth_req)
request = self.ike_sa1.process_message(ike_auth_res)
self.assertIsNone(request)
self.assertMessageHasNotification(ike_auth_res, self.ike_sa2, PayloadNOTIFY.Type.NO_PROPOSAL_CHOSEN)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_retransmit(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_sa_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
create_child_sa_req = self.ike_sa1.check_retransmission_timer()
self.assertIsNone(create_child_sa_req)
self.ike_sa1.retransmit_at = time.time()
create_child_sa_req = self.ike_sa1.check_retransmission_timer()
self.assertIsNotNone(create_child_sa_req)
create_child_sa_res2 = self.ike_sa2.process_message(create_child_sa_req)
request = self.ike_sa1.process_message(create_child_sa_res2)
self.assertIsNone(request)
self.assertEqual(create_child_sa_res, create_child_sa_res2)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
@patch('xfrm.Xfrm.send_recv')
def test_max_retransmit(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_sa_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
self.assertIsNotNone(create_child_sa_req)
for i in range(0, IkeSa.MAX_RETRANSMISSIONS - 1):
self.ike_sa1.retransmit_at = time.time()
create_child_sa_req = self.ike_sa1.check_retransmission_timer()
self.assertIsNotNone(create_child_sa_req)
self.ike_sa1.retransmit_at = time.time()
create_child_sa_req = self.ike_sa1.check_retransmission_timer()
self.assertIsNone(create_child_sa_req)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
@patch('xfrm.Xfrm.send_recv')
def test_invalid_mode_in_response(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_sa_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
message = Message.parse(create_child_sa_res, crypto=self.ike_sa2.my_crypto)
message.encrypted_payloads.remove(message.get_notifies(PayloadNOTIFY.Type.USE_TRANSPORT_MODE, True)[0])
create_child_sa_res = message.to_bytes()
delete_child_req = self.ike_sa1.process_message(create_child_sa_res)
delete_child_res = self.ike_sa2.process_message(delete_child_req)
request = self.ike_sa1.process_message(delete_child_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_invalid_proposal_in_response(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_sa_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
message = Message.parse(create_child_sa_res, crypto=self.ike_sa2.my_crypto)
message.encrypted_payloads.remove(message.get_payload(Payload.Type.SA, True))
create_child_sa_res = message.to_bytes()
delete_child_req = self.ike_sa1.process_message(create_child_sa_res)
delete_child_res = self.ike_sa2.process_message(delete_child_req)
request = self.ike_sa1.process_message(delete_child_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_invalid_message_id_on_request(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_sa_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
message = Message.parse(create_child_sa_req, crypto=self.ike_sa1.my_crypto)
message.message_id = 100
create_child_sa_req = message.to_bytes()
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
self.assertEqual(self.ike_sa1.state, IkeSa.State.NEW_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertIsNone(create_child_sa_res)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_invalid_message_id_on_response(self, mockclass):
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
ike_sa_init_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
ike_sa_init_res = self.ike_sa2.process_message(ike_sa_init_req)
message = Message.parse(ike_sa_init_res, crypto=self.ike_sa2.my_crypto)
message.message_id = 100
ike_sa_init_res = message.to_bytes()
ike_auth_req = self.ike_sa1.process_message(ike_sa_init_res)
self.assertIsNone(ike_auth_req)
self.assertEqual(self.ike_sa1.state, IkeSa.State.INIT_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.INIT_RES_SENT)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_invalid_exchange_type_on_request(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
create_child_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
message = Message.parse(create_child_req, crypto=self.ike_sa1.my_crypto)
message.exchange_type = 100
create_child_req = message.to_bytes()
create_child_res = self.ike_sa2.process_message(create_child_req)
self.assertIsNone(create_child_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.NEW_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_invalid_exchange_type_on_response(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
crate_child_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
crate_child_res = self.ike_sa2.process_message(crate_child_req)
message = Message.parse(crate_child_res, self.ike_sa1.peer_crypto)
message.exchange_type = 100
crate_child_res = message.to_bytes()
request = self.ike_sa1.process_message(crate_child_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.NEW_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
@patch('xfrm.Xfrm.send_recv')
def test_create_child_invalid_ts(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
# create additional CHILD_SA
self.confdict['testconn_bob']['protect'][0]['my_subnet'] = "10.0.0.0/24"
self.update_ike_sas_configuration()
create_child_sa_req = self.ike_sa1.process_acquire(small_tsi, small_tsr, 1)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
request = self.ike_sa1.process_message(create_child_sa_res)
self.assertIsNone(request)
self.assertMessageHasNotification(create_child_sa_res, self.ike_sa2, PayloadNOTIFY.Type.TS_UNACCEPTABLE)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa(self, mockclass):
self.test_initial_exchanges_transport()
create_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
delete_child_sa_req = self.ike_sa1.process_message(create_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DEL_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
delete_child_sa_res = self.ike_sa2.process_message(delete_child_sa_req)
request = self.ike_sa1.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa_with_ke(self, mockclass):
self.confdict['testconn_alice']['protect'][0]['dh'] = [14]
self.confdict['testconn_bob']['protect'][0]['dh'] = [14]
self.update_ike_sas_configuration()
self.test_initial_exchanges_transport()
create_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
delete_child_sa_req = self.ike_sa1.process_message(create_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DEL_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
delete_child_sa_res = self.ike_sa2.process_message(delete_child_sa_req)
request = self.ike_sa1.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa_from_responder(self, mockclass):
self.test_initial_exchanges_transport()
create_child_sa_req = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi)
create_child_sa_res = self.ike_sa1.process_message(create_child_sa_req)
delete_child_sa_req = self.ike_sa2.process_message(create_child_sa_res)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DEL_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
delete_child_sa_res = self.ike_sa1.process_message(delete_child_sa_req)
request = self.ike_sa2.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa_from_responder_with_ke(self, mockclass):
self.confdict['testconn_alice']['protect'][0]['dh'] = [14]
self.confdict['testconn_bob']['protect'][0]['dh'] = [14]
self.update_ike_sas_configuration()
self.test_initial_exchanges_transport()
create_child_sa_req = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi)
create_child_sa_res = self.ike_sa1.process_message(create_child_sa_req)
delete_child_sa_req = self.ike_sa2.process_message(create_child_sa_res)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DEL_CHILD_REQ_SENT)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 2)
self.assertEqual(len(self.ike_sa2.child_sas), 2)
delete_child_sa_res = self.ike_sa1.process_message(delete_child_sa_req)
request = self.ike_sa2.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa_invalid_spi_initiator(self, mockclass):
self.test_initial_exchanges_transport()
create_child_sa_req = self.ike_sa1.process_expire(b'')
self.assertIsNone(create_child_sa_req)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa_invalid_ts(self, mockclass):
self.test_initial_exchanges_transport()
create_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi)
message = Message.parse(create_child_sa_req, crypto=self.ike_sa1.my_crypto)
message.get_payload(Payload.Type.TSi, True).traffic_selectors.append(
TrafficSelector.from_network(ip_network("193.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP))
create_child_sa_req = message.to_bytes()
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
delete_child_sa_req = self.ike_sa1.process_message(create_child_sa_res)
self.assertIsNone(delete_child_sa_req)
self.assertMessageHasNotification(create_child_sa_res, self.ike_sa2, PayloadNOTIFY.Type.TS_UNACCEPTABLE)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_child_sa_invalid_spi_responder(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa2.child_sas = []
create_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi)
create_child_sa_res = self.ike_sa2.process_message(create_child_sa_req)
delete_child_sa_req = self.ike_sa1.process_message(create_child_sa_res)
self.assertIsNone(delete_child_sa_req)
self.assertMessageHasNotification(create_child_sa_res, self.ike_sa2, PayloadNOTIFY.Type.CHILD_SA_NOT_FOUND)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
@patch('xfrm.Xfrm.send_recv')
def test_delete_child_sa(self, mockclass):
self.test_initial_exchanges_transport()
delete_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi, hard=True)
delete_child_sa_res = self.ike_sa2.process_message(delete_child_sa_req)
request = self.ike_sa1.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_delete_child_sa_invalid_spi(self, mockclass):
self.test_initial_exchanges_transport()
delete_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi, hard=True)
self.ike_sa2.delete_child_sas()
delete_child_sa_res = self.ike_sa2.process_message(delete_child_sa_req)
request = self.ike_sa1.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_delete_child_sa_invalid_spi_on_response(self, mockclass):
self.test_initial_exchanges_transport()
delete_child_sa_req = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi, hard=True)
delete_child_sa_res = self.ike_sa2.process_message(delete_child_sa_req)
message = Message.parse(delete_child_sa_res, crypto=self.ike_sa1.peer_crypto)
message.get_payload(Payload.Type.DELETE, True).spis = []
delete_child_sa_res = message.to_bytes()
request = self.ike_sa1.process_message(delete_child_sa_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_rekey_child_delete_child(self, mockclass):
self.test_initial_exchanges_transport()
rekey_request = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi)
delete_request = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi, hard=True)
rekey_response = self.ike_sa2.process_message(rekey_request)
delete_response = self.ike_sa1.process_message(delete_request)
self.assertMessageHasNotification(rekey_response, self.ike_sa2, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
delete_request_alice = self.ike_sa1.process_message(rekey_response)
request_bob = self.ike_sa2.process_message(delete_response)
self.assertIsNone(delete_request_alice)
self.assertIsNone(request_bob)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_delete_child_delete_child(self, mockclass):
self.test_initial_exchanges_transport()
delete_request_alice = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi, hard=True)
delete_request_bob = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi, hard=True)
delete_response_bob = self.ike_sa2.process_message(delete_request_alice)
delete_response_alice = self.ike_sa1.process_message(delete_request_bob)
self.ike_sa1.process_message(delete_response_bob)
self.ike_sa2.process_message(delete_response_alice)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_rekey_child_rekey_child(self, mockclass):
self.test_initial_exchanges_transport()
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
rekey_request_alice = self.ike_sa1.process_expire(self.ike_sa1.child_sas[0].inbound_spi)
rekey_request_bob = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi)
rekey_response_bob = self.ike_sa2.process_message(rekey_request_alice)
rekey_response_alice = self.ike_sa1.process_message(rekey_request_bob)
self.assertMessageHasNotification(rekey_response_alice, self.ike_sa1, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
self.assertMessageHasNotification(rekey_response_bob, self.ike_sa2, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
delete_request_alice = self.ike_sa1.process_message(rekey_response_bob)
delete_request_bob = self.ike_sa2.process_message(rekey_response_alice)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(len(self.ike_sa2.child_sas), 1)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertIsNone(delete_request_alice)
self.assertIsNone(delete_request_bob)
@patch('xfrm.Xfrm.send_recv')
def test_dead_peer_detection(self, mockclass):
self.test_initial_exchanges_transport()
dpd_req = self.ike_sa1.check_dead_peer_detection_timer()
self.assertIsNone(dpd_req)
self.ike_sa1.start_dpd_at = time.time()
dpd_req = self.ike_sa1.check_dead_peer_detection_timer()
dpd_res = self.ike_sa2.process_message(dpd_req)
request = self.ike_sa1.process_message(dpd_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.ike_sa2.start_dpd_at = time.time()
dpd_req = self.ike_sa2.check_dead_peer_detection_timer()
dpd_res = self.ike_sa1.process_message(dpd_req)
request = self.ike_sa2.process_message(dpd_res)
self.assertIsNone(request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
@patch('xfrm.Xfrm.send_recv')
def test_peer_changes_spi(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.start_dpd_at = time.time()
dpd_req = self.ike_sa1.check_dead_peer_detection_timer()
message = Message.parse(dpd_req, self.ike_sa1.peer_crypto)
message.spi_i = b'1' * 8
dpd_req = message.to_bytes()
dpd_res = self.ike_sa2.process_message(dpd_req)
self.assertIsNone(dpd_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DPD_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
@patch('xfrm.Xfrm.send_recv')
def test_delete_ike_sa(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.delete_ike_sa_at = time.time()
delete_req = self.ike_sa1.check_rekey_ike_sa_timer()
delete_res = self.ike_sa2.process_message(delete_req)
req = self.ike_sa1.process_message(delete_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_ike_sa(self, mockclass):
self.test_initial_exchanges_transport()
rekey_req = self.ike_sa1.check_rekey_ike_sa_timer()
self.assertIsNone(rekey_req)
self.ike_sa1.rekey_ike_sa_at = time.time()
rekey_req = self.ike_sa1.check_rekey_ike_sa_timer()
rekey_res = self.ike_sa2.process_message(rekey_req)
delete_req = self.ike_sa1.process_message(rekey_res)
self.assertEqual(len(self.ike_sa1.child_sas), 0)
rekey_request = self.ike_sa1.new_ike_sa.process_expire(self.ike_sa1.new_ike_sa.child_sas[0].inbound_spi)
rekey_response = self.ike_sa2.new_ike_sa.process_message(rekey_request)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DEL_AFTER_REKEY_IKE_SA_REQ_SENT)
self.assertEqual(self.ike_sa2.state, IkeSa.State.REKEYED)
self.assertIsNotNone(rekey_req)
self.assertIsNotNone(delete_req)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_ike_sa_rejected(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.rekey_ike_sa_at = time.time()
rekey_req = self.ike_sa1.check_rekey_ike_sa_timer()
rekey_res = self.ike_sa2.process_message(rekey_req)
message = Message.parse(rekey_res, crypto=self.ike_sa2.my_crypto)
message.encrypted_payloads = [PayloadNOTIFY(Proposal.Protocol.NONE, PayloadNOTIFY.Type.NO_ADDITIONAL_SAS)]
rekey_res = message.to_bytes()
delete_req = self.ike_sa1.process_message(rekey_res)
self.assertIsNotNone(delete_req)
self.assertEqual(len(self.ike_sa1.child_sas), 1)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DEL_IKE_SA_REQ_SENT)
@patch('xfrm.Xfrm.send_recv')
def test_rekey_ike_sa_from_responder(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa2.rekey_ike_sa_at = time.time()
rekey_req = self.ike_sa2.check_rekey_ike_sa_timer()
rekey_res = self.ike_sa1.process_message(rekey_req)
delete_req = self.ike_sa2.process_message(rekey_res)
self.assertEqual(len(self.ike_sa2.child_sas), 0)
rekey_request = self.ike_sa2.new_ike_sa.process_expire(self.ike_sa2.new_ike_sa.child_sas[0].inbound_spi)
rekey_response = self.ike_sa1.new_ike_sa.process_message(rekey_request)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DEL_AFTER_REKEY_IKE_SA_REQ_SENT)
self.assertEqual(self.ike_sa1.state, IkeSa.State.REKEYED)
self.assertIsNotNone(rekey_req)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_rekey_ike_sa(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.rekey_ike_sa_at = time.time()
self.ike_sa2.rekey_ike_sa_at = time.time()
rekey_req_alice = self.ike_sa1.check_rekey_ike_sa_timer()
rekey_req_bob = self.ike_sa2.check_rekey_ike_sa_timer()
rekey_res_alice = self.ike_sa1.process_message(rekey_req_bob)
rekey_res_bob = self.ike_sa2.process_message(rekey_req_alice)
self.assertMessageHasNotification(rekey_res_alice, self.ike_sa1, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
self.assertMessageHasNotification(rekey_res_bob, self.ike_sa2, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
delete_req_alice = self.ike_sa1.process_message(rekey_res_bob)
delete_req_bob = self.ike_sa2.process_message(rekey_res_alice)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertIsNone(delete_req_alice)
self.assertIsNone(delete_req_bob)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_rekey_ike_sa_rekey_child(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.rekey_ike_sa_at = time.time()
rekey_ike_sa_req = self.ike_sa1.check_rekey_ike_sa_timer()
rekey_child_sa_req = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi, hard=False)
rekey_ike_sa_res = self.ike_sa2.process_message(rekey_ike_sa_req)
rekey_child_sa_res = self.ike_sa1.process_message(rekey_child_sa_req)
self.assertMessageHasNotification(rekey_child_sa_res, self.ike_sa1, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
self.assertMessageHasNotification(rekey_ike_sa_res, self.ike_sa2, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
delete_ike_sa_req = self.ike_sa1.process_message(rekey_ike_sa_res)
delete_child_sa_req = self.ike_sa2.process_message(rekey_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertIsNone(delete_child_sa_req)
self.assertIsNone(delete_ike_sa_req)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_rekey_ike_sa_create_child(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
self.ike_sa1.rekey_ike_sa_at = time.time()
rekey_ike_sa_req = self.ike_sa1.check_rekey_ike_sa_timer()
create_child_sa_req = self.ike_sa2.process_acquire(small_tsr, small_tsi, 2)
rekey_ike_sa_res = self.ike_sa2.process_message(rekey_ike_sa_req)
create_child_sa_res = self.ike_sa1.process_message(create_child_sa_req)
self.assertMessageHasNotification(create_child_sa_res, self.ike_sa1, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
self.assertMessageHasNotification(rekey_ike_sa_res, self.ike_sa2, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
delete_ike_sa_req = self.ike_sa1.process_message(rekey_ike_sa_res)
delete_child_sa_req = self.ike_sa2.process_message(create_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.ESTABLISHED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.ESTABLISHED)
self.assertIsNone(delete_child_sa_req)
self.assertIsNone(delete_ike_sa_req)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_del_ike_sa_create_child(self, mockclass):
self.test_initial_exchanges_transport()
small_tsi = TrafficSelector.from_network(ip_network("192.168.0.1/32"), 8765, TrafficSelector.IpProtocol.TCP)
small_tsr = TrafficSelector.from_network(ip_network("192.168.0.2/32"), 23, TrafficSelector.IpProtocol.TCP)
self.ike_sa1.delete_ike_sa_at = time.time()
del_ike_sa_req = self.ike_sa1.check_rekey_ike_sa_timer()
create_child_sa_req = self.ike_sa2.process_acquire(small_tsr, small_tsi, 2)
del_ike_sa_res = self.ike_sa2.process_message(del_ike_sa_req)
create_child_sa_res = self.ike_sa1.process_message(create_child_sa_req)
self.assertMessageHasNotification(create_child_sa_res, self.ike_sa1, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
request_alice = self.ike_sa1.process_message(del_ike_sa_res)
request_bob = self.ike_sa2.process_message(create_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertIsNone(request_alice)
self.assertIsNone(request_bob)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_del_ike_sa_rekey_child(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.delete_ike_sa_at = time.time()
del_ike_sa_req = self.ike_sa1.check_rekey_ike_sa_timer()
rekey_child_sa_req = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi, hard=False)
del_ike_sa_res = self.ike_sa2.process_message(del_ike_sa_req)
rekey_child_sa_res = self.ike_sa1.process_message(rekey_child_sa_req)
self.assertMessageHasNotification(rekey_child_sa_res, self.ike_sa1, PayloadNOTIFY.Type.TEMPORARY_FAILURE)
request_alice = self.ike_sa1.process_message(del_ike_sa_res)
request_bob = self.ike_sa2.process_message(rekey_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertIsNone(request_alice)
self.assertIsNone(request_bob)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_del_ike_sa_del_child(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.delete_ike_sa_at = time.time()
del_ike_sa_req = self.ike_sa1.check_rekey_ike_sa_timer()
del_child_sa_req = self.ike_sa2.process_expire(self.ike_sa2.child_sas[0].inbound_spi, hard=True)
del_ike_sa_res = self.ike_sa2.process_message(del_ike_sa_req)
del_child_sa_res = self.ike_sa1.process_message(del_child_sa_req)
request_alice = self.ike_sa1.process_message(del_ike_sa_res)
request_bob = self.ike_sa2.process_message(del_child_sa_res)
self.assertEqual(self.ike_sa1.state, IkeSa.State.DELETED)
self.assertEqual(self.ike_sa2.state, IkeSa.State.DELETED)
self.assertIsNone(request_alice)
self.assertIsNone(request_bob)
@patch('xfrm.Xfrm.send_recv')
def test_simultaneous_del_ike_sa_del_ike_sa(self, mockclass):
self.test_initial_exchanges_transport()
self.ike_sa1.delete_ike_sa_at = time.time()
self.ike_sa2.delete_ike_sa_at = time.time()
del_ike_sa_req_alice = self.ike_sa1.check_rekey_ike_sa_timer()
del_ike_sa_req_bob = self.ike_sa2.check_rekey_ike_sa_timer()