test/test_ipsec_esp.py

   1 import socket
   2 import unittest
   3 from scapy.layers.ipsec import ESP
   4
   5 from framework import VppTestRunner
   6 from template_ipsec import IpsecTraTests, IpsecTunTests
   7 from template_ipsec import TemplateIpsec, IpsecTcpTests
   8 from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\
   9         VppIpsecSpdItfBinding
  10 from vpp_ip_route import VppIpRoute, VppRoutePath
  11 from vpp_ip import DpoProto
  12 from vpp_papi import VppEnum
  13
  14
  15 class TemplateIpsecEsp(TemplateIpsec):
  16     """
  17     Basic test for ipsec esp sanity - tunnel and transport modes.
  18
  19     Below 4 cases are covered as part of this test
  20     1) ipsec esp v4 transport basic test  - IPv4 Transport mode
  21         scenario using HMAC-SHA1-96 intergrity algo
  22     2) ipsec esp v4 transport burst test
  23         Above test for 257 pkts
  24     3) ipsec esp 4o4 tunnel basic test    - IPv4 Tunnel mode
  25         scenario using HMAC-SHA1-96 intergrity algo
  26     4) ipsec esp 4o4 tunnel burst test
  27         Above test for 257 pkts
  28
  29     TRANSPORT MODE:
  30
  31      ---   encrypt   ---
  32     |pg2| <-------> |VPP|
  33      ---   decrypt   ---
  34
  35     TUNNEL MODE:
  36
  37      ---   encrypt   ---   plain   ---
  38     |pg0| <-------  |VPP| <------ |pg1|
  39      ---             ---           ---
  40
  41      ---   decrypt   ---   plain   ---
  42     |pg0| ------->  |VPP| ------> |pg1|
  43      ---             ---           ---
  44     """
  45
  46     def setUp(self):
  47         super(TemplateIpsecEsp, self).setUp()
  48         self.encryption_type = ESP
  49         self.tun_if = self.pg0
  50         self.tra_if = self.pg2
  51         self.logger.info(self.vapi.ppcli("show int addr"))
  52
  53         self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
  54         self.tra_spd.add_vpp_config()
  55         VppIpsecSpdItfBinding(self, self.tra_spd,
  56                               self.tra_if).add_vpp_config()
  57
  58         for _, p in self.params.items():
  59             self.config_esp_tra(p)
  60             self.configure_sa_tra(p)
  61         self.logger.info(self.vapi.ppcli("show ipsec"))
  62
  63         self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
  64         self.tun_spd.add_vpp_config()
  65         VppIpsecSpdItfBinding(self, self.tun_spd,
  66                               self.tun_if).add_vpp_config()
  67
  68         for _, p in self.params.items():
  69             self.config_esp_tun(p)
  70         self.logger.info(self.vapi.ppcli("show ipsec"))
  71
  72         for _, p in self.params.items():
  73             d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
  74             VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
  75                        [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
  76                                      0xffffffff,
  77                                      proto=d)],
  78                        is_ip6=p.is_ipv6).add_vpp_config()
  79
  80     def tearDown(self):
  81         super(TemplateIpsecEsp, self).tearDown()
  82         if not self.vpp_dead:
  83             self.vapi.cli("show hardware")
  84
  85     def config_esp_tun(self, params):
  86         addr_type = params.addr_type
  87         scapy_tun_sa_id = params.scapy_tun_sa_id
  88         scapy_tun_spi = params.scapy_tun_spi
  89         vpp_tun_sa_id = params.vpp_tun_sa_id
  90         vpp_tun_spi = params.vpp_tun_spi
  91         auth_algo_vpp_id = params.auth_algo_vpp_id
  92         auth_key = params.auth_key
  93         crypt_algo_vpp_id = params.crypt_algo_vpp_id
  94         crypt_key = params.crypt_key
  95         remote_tun_if_host = params.remote_tun_if_host
  96         addr_any = params.addr_any
  97         addr_bcast = params.addr_bcast
  98         e = VppEnum.vl_api_ipsec_spd_action_t
  99
 100         VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
 101                    auth_algo_vpp_id, auth_key,
 102                    crypt_algo_vpp_id, crypt_key,
 103                    self.vpp_esp_protocol,
 104                    self.tun_if.local_addr[addr_type],
 105                    self.tun_if.remote_addr[addr_type]).add_vpp_config()
 106         VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
 107                    auth_algo_vpp_id, auth_key,
 108                    crypt_algo_vpp_id, crypt_key,
 109                    self.vpp_esp_protocol,
 110                    self.tun_if.remote_addr[addr_type],
 111                    self.tun_if.local_addr[addr_type]).add_vpp_config()
 112
 113         params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd,
 114                                                     scapy_tun_sa_id,
 115                                                     addr_any, addr_bcast,
 116                                                     addr_any, addr_bcast,
 117                                                     socket.IPPROTO_ESP)
 118         params.spd_policy_in_any.add_vpp_config()
 119         params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd,
 120                                                      scapy_tun_sa_id,
 121                                                      addr_any, addr_bcast,
 122                                                      addr_any, addr_bcast,
 123                                                      socket.IPPROTO_ESP,
 124                                                      is_outbound=0)
 125         params.spd_policy_out_any.add_vpp_config()
 126
 127         VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
 128                          remote_tun_if_host, remote_tun_if_host,
 129                          self.pg1.remote_addr[addr_type],
 130                          self.pg1.remote_addr[addr_type],
 131                          0,
 132                          priority=10,
 133                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 134                          is_outbound=0).add_vpp_config()
 135         VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
 136                          self.pg1.remote_addr[addr_type],
 137                          self.pg1.remote_addr[addr_type],
 138                          remote_tun_if_host, remote_tun_if_host,
 139                          0,
 140                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 141                          priority=10).add_vpp_config()
 142
 143         VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
 144                          remote_tun_if_host, remote_tun_if_host,
 145                          self.pg0.local_addr[addr_type],
 146                          self.pg0.local_addr[addr_type],
 147                          0,
 148                          priority=20,
 149                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 150                          is_outbound=0).add_vpp_config()
 151         VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
 152                          self.pg0.local_addr[addr_type],
 153                          self.pg0.local_addr[addr_type],
 154                          remote_tun_if_host, remote_tun_if_host,
 155                          0,
 156                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 157                          priority=20).add_vpp_config()
 158
 159     def config_esp_tra(self, params):
 160         addr_type = params.addr_type
 161         scapy_tra_sa_id = params.scapy_tra_sa_id
 162         scapy_tra_spi = params.scapy_tra_spi
 163         vpp_tra_sa_id = params.vpp_tra_sa_id
 164         vpp_tra_spi = params.vpp_tra_spi
 165         auth_algo_vpp_id = params.auth_algo_vpp_id
 166         auth_key = params.auth_key
 167         crypt_algo_vpp_id = params.crypt_algo_vpp_id
 168         crypt_key = params.crypt_key
 169         addr_any = params.addr_any
 170         addr_bcast = params.addr_bcast
 171         flags = (VppEnum.vl_api_ipsec_sad_flags_t.
 172                  IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
 173         e = VppEnum.vl_api_ipsec_spd_action_t
 174
 175         VppIpsecSA(self, scapy_tra_sa_id, scapy_tra_spi,
 176                    auth_algo_vpp_id, auth_key,
 177                    crypt_algo_vpp_id, crypt_key,
 178                    self.vpp_esp_protocol,
 179                    flags=flags).add_vpp_config()
 180         VppIpsecSA(self, vpp_tra_sa_id, vpp_tra_spi,
 181                    auth_algo_vpp_id, auth_key,
 182                    crypt_algo_vpp_id, crypt_key,
 183                    self.vpp_esp_protocol,
 184                    flags=flags).add_vpp_config()
 185
 186         VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
 187                          addr_any, addr_bcast,
 188                          addr_any, addr_bcast,
 189                          socket.IPPROTO_ESP).add_vpp_config()
 190         VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
 191                          addr_any, addr_bcast,
 192                          addr_any, addr_bcast,
 193                          socket.IPPROTO_ESP,
 194                          is_outbound=0).add_vpp_config()
 195
 196         VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
 197                          self.tra_if.local_addr[addr_type],
 198                          self.tra_if.local_addr[addr_type],
 199                          self.tra_if.remote_addr[addr_type],
 200                          self.tra_if.remote_addr[addr_type],
 201                          0, priority=10,
 202                          policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 203                          is_outbound=0).add_vpp_config()
 204         VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
 205                          self.tra_if.local_addr[addr_type],
 206                          self.tra_if.local_addr[addr_type],
 207                          self.tra_if.remote_addr[addr_type],
 208                          self.tra_if.remote_addr[addr_type],
 209                          0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
 210                          priority=10).add_vpp_config()
 211
 212
 213 class TestIpsecEsp1(TemplateIpsecEsp, IpsecTraTests, IpsecTunTests):
 214     """ Ipsec ESP - TUN & TRA tests """
 215     tra4_encrypt_node_name = "esp4-encrypt"
 216     tra4_decrypt_node_name = "esp4-decrypt"
 217     tra6_encrypt_node_name = "esp6-encrypt"
 218     tra6_decrypt_node_name = "esp6-decrypt"
 219     tun4_encrypt_node_name = "esp4-encrypt"
 220     tun4_decrypt_node_name = "esp4-decrypt"
 221     tun6_encrypt_node_name = "esp6-encrypt"
 222     tun6_decrypt_node_name = "esp6-decrypt"
 223
 224
 225 class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
 226     """ Ipsec ESP - TCP tests """
 227     pass
 228
 229
 230 if __name__ == '__main__':
 231     unittest.main(testRunner=VppTestRunner)