test/test_ipsec_ah.py

   1 import socket
   2 import unittest
   3
   4 from scapy.layers.ipsec import AH
   5
   6 from framework import VppTestRunner
   7 from template_ipsec import TemplateIpsec, IpsecTraTests, IpsecTunTests
   8 from template_ipsec import IpsecTcpTests
   9 from vpp_ipsec import VppIpsecSA, VppIpsecSpd, VppIpsecSpdEntry,\
  10         VppIpsecSpdItfBinding
  11 from vpp_ip_route import VppIpRoute, VppRoutePath
  12 from vpp_ip import DpoProto
  13 from vpp_papi import VppEnum
  14
  15
  16 class TemplateIpsecAh(TemplateIpsec):
  17     """
  18     Basic test for IPSEC using AH transport and Tunnel mode
  19
  20     TRANSPORT MODE:
  21
  22      ---   encrypt   ---
  23     |pg2| <-------> |VPP|
  24      ---   decrypt   ---
  25
  26     TUNNEL MODE:
  27
  28      ---   encrypt   ---   plain   ---
  29     |pg0| <-------  |VPP| <------ |pg1|
  30      ---             ---           ---
  31
  32      ---   decrypt   ---   plain   ---
  33     |pg0| ------->  |VPP| ------> |pg1|
  34      ---             ---           ---
  35     """
  36
  37     def setUp(self):
  38         super(TemplateIpsecAh, self).setUp()
  39
  40         self.encryption_type = AH
  41         self.tun_if = self.pg0
  42         self.tra_if = self.pg2
  43         self.logger.info(self.vapi.ppcli("show int addr"))
  44
  45         self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
  46         self.tra_spd.add_vpp_config()
  47         VppIpsecSpdItfBinding(self, self.tra_spd,
  48                               self.tra_if).add_vpp_config()
  49         self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
  50         self.tun_spd.add_vpp_config()
  51         VppIpsecSpdItfBinding(self, self.tun_spd,
  52                               self.tun_if).add_vpp_config()
  53
  54         for _, p in self.params.items():
  55             self.config_ah_tra(p)
  56             self.configure_sa_tra(p)
  57             self.logger.info(self.vapi.ppcli("show ipsec"))
  58         for _, p in self.params.items():
  59             self.config_ah_tun(p)
  60             self.logger.info(self.vapi.ppcli("show ipsec"))
  61         for _, p in self.params.items():
  62             d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
  63             VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
  64                        [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
  65                                      0xffffffff,
  66                                      proto=d)],
  67                        is_ip6=p.is_ipv6).add_vpp_config()
  68
  69     def tearDown(self):
  70         super(TemplateIpsecAh, self).tearDown()
  71         if not self.vpp_dead:
  72             self.vapi.cli("show hardware")
  73
  74     def config_ah_tun(self, params):
  75         addr_type = params.addr_type
  76         scapy_tun_sa_id = params.scapy_tun_sa_id
  77         scapy_tun_spi = params.scapy_tun_spi
  78         vpp_tun_sa_id = params.vpp_tun_sa_id
  79         vpp_tun_spi = params.vpp_tun_spi
  80         auth_algo_vpp_id = params.auth_algo_vpp_id
  81         auth_key = params.auth_key
  82         crypt_algo_vpp_id = params.crypt_algo_vpp_id
  83         crypt_key = params.crypt_key
  84         remote_tun_if_host = params.remote_tun_if_host
  85         addr_any = params.addr_any
  86         addr_bcast = params.addr_bcast
  87         e = VppEnum.vl_api_ipsec_spd_action_t
  88
  89         VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
  90                    auth_algo_vpp_id, auth_key,
  91                    crypt_algo_vpp_id, crypt_key,
  92                    self.vpp_ah_protocol,
  93                    self.tun_if.local_addr[addr_type],
  94                    self.tun_if.remote_addr[addr_type]).add_vpp_config()
  95         VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
  96                    auth_algo_vpp_id, auth_key,
  97                    crypt_algo_vpp_id, crypt_key,
  98                    self.vpp_ah_protocol,
  99                    self.tun_if.remote_addr[addr_type],
 100                    self.tun_if.local_addr[addr_type]).add_vpp_config()
 101
 102         params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd,
 103                                                     vpp_tun_sa_id,
 104                                                     addr_any, addr_bcast,
 105                                                     addr_any, addr_bcast,
 106                                                     socket.IPPROTO_AH)
 107         params.spd_policy_in_any.add_vpp_config()
 108         params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd,
 109                                                      vpp_tun_sa_id,
 110                                                      addr_any, addr_bcast,
 111                                                      addr_any, addr_bcast,
 112                                                      socket.IPPROTO_AH,
 113                                                      is_outbound=0)
 114         params.spd_policy_out_any.add_vpp_config()
 115
 116         VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
 117                          remote_tun_if_host,
 118                          remote_tun_if_host,
 119                          self.pg1.remote_addr[addr_type],
 120                          self.pg1.remote_addr[addr_type],
 121                          0, priority=10,
 122                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 123                          is_outbound=0).add_vpp_config()
 124         VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
 125                          self.pg1.remote_addr[addr_type],
 126                          self.pg1.remote_addr[addr_type],
 127                          remote_tun_if_host,
 128                          remote_tun_if_host,
 129                          0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 130                          priority=10).add_vpp_config()
 131
 132         VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
 133                          remote_tun_if_host,
 134                          remote_tun_if_host,
 135                          self.pg0.local_addr[addr_type],
 136                          self.pg0.local_addr[addr_type],
 137                          0, priority=20,
 138                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 139                          is_outbound=0).add_vpp_config()
 140         VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
 141                          self.pg0.local_addr[addr_type],
 142                          self.pg0.local_addr[addr_type],
 143                          remote_tun_if_host,
 144                          remote_tun_if_host,
 145                          0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 146                          priority=20).add_vpp_config()
 147
 148     def config_ah_tra(self, params):
 149         addr_type = params.addr_type
 150         scapy_tra_sa_id = params.scapy_tra_sa_id
 151         scapy_tra_spi = params.scapy_tra_spi
 152         vpp_tra_sa_id = params.vpp_tra_sa_id
 153         vpp_tra_spi = params.vpp_tra_spi
 154         auth_algo_vpp_id = params.auth_algo_vpp_id
 155         auth_key = params.auth_key
 156         crypt_algo_vpp_id = params.crypt_algo_vpp_id
 157         crypt_key = params.crypt_key
 158         addr_any = params.addr_any
 159         addr_bcast = params.addr_bcast
 160         flags = (VppEnum.vl_api_ipsec_sad_flags_t.
 161                  IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
 162         e = VppEnum.vl_api_ipsec_spd_action_t
 163
 164         VppIpsecSA(self, scapy_tra_sa_id, scapy_tra_spi,
 165                    auth_algo_vpp_id, auth_key,
 166                    crypt_algo_vpp_id, crypt_key,
 167                    self.vpp_ah_protocol,
 168                    flags=flags).add_vpp_config()
 169         VppIpsecSA(self, vpp_tra_sa_id, vpp_tra_spi,
 170                    auth_algo_vpp_id, auth_key,
 171                    crypt_algo_vpp_id, crypt_key,
 172                    self.vpp_ah_protocol,
 173                    flags=flags).add_vpp_config()
 174
 175         VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
 176                          addr_any, addr_bcast,
 177                          addr_any, addr_bcast,
 178                          socket.IPPROTO_AH).add_vpp_config()
 179         VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
 180                          addr_any, addr_bcast,
 181                          addr_any, addr_bcast,
 182                          socket.IPPROTO_AH,
 183                          is_outbound=0).add_vpp_config()
 184
 185         VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
 186                          self.tra_if.local_addr[addr_type],
 187                          self.tra_if.local_addr[addr_type],
 188                          self.tra_if.remote_addr[addr_type],
 189                          self.tra_if.remote_addr[addr_type],
 190                          0, priority=10,
 191                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 192                          is_outbound=0).add_vpp_config()
 193         VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
 194                          self.tra_if.local_addr[addr_type],
 195                          self.tra_if.local_addr[addr_type],
 196                          self.tra_if.remote_addr[addr_type],
 197                          self.tra_if.remote_addr[addr_type],
 198                          0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 199                          priority=10).add_vpp_config()
 200
 201
 202 class TestIpsecAh1(TemplateIpsecAh, IpsecTraTests, IpsecTunTests):
 203     """ Ipsec AH - TUN & TRA tests """
 204     tra4_encrypt_node_name = "ah4-encrypt"
 205     tra4_decrypt_node_name = "ah4-decrypt"
 206     tra6_encrypt_node_name = "ah6-encrypt"
 207     tra6_decrypt_node_name = "ah6-decrypt"
 208     tun4_encrypt_node_name = "ah4-encrypt"
 209     tun4_decrypt_node_name = "ah4-decrypt"
 210     tun6_encrypt_node_name = "ah6-encrypt"
 211     tun6_decrypt_node_name = "ah6-decrypt"
 212
 213
 214 class TestIpsecAh2(TemplateIpsecAh, IpsecTcpTests):
 215     """ Ipsec AH - TCP tests """
 216     pass
 217
 218
 219 if __name__ == '__main__':
 220     unittest.main(testRunner=VppTestRunner)