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
   9
  10 class TemplateIpsecEsp(TemplateIpsec):
  11     """
  12     Basic test for ipsec esp sanity - tunnel and transport modes.
  13
  14     Below 4 cases are covered as part of this test
  15     1) ipsec esp v4 transport basic test  - IPv4 Transport mode
  16         scenario using HMAC-SHA1-96 intergrity algo
  17     2) ipsec esp v4 transport burst test
  18         Above test for 257 pkts
  19     3) ipsec esp 4o4 tunnel basic test    - IPv4 Tunnel mode
  20         scenario using HMAC-SHA1-96 intergrity algo
  21     4) ipsec esp 4o4 tunnel burst test
  22         Above test for 257 pkts
  23
  24     TRANSPORT MODE:
  25
  26      ---   encrypt   ---
  27     |pg2| <-------> |VPP|
  28      ---   decrypt   ---
  29
  30     TUNNEL MODE:
  31
  32      ---   encrypt   ---   plain   ---
  33     |pg0| <-------  |VPP| <------ |pg1|
  34      ---             ---           ---
  35
  36      ---   decrypt   ---   plain   ---
  37     |pg0| ------->  |VPP| ------> |pg1|
  38      ---             ---           ---
  39     """
  40
  41     encryption_type = ESP
  42
  43     @classmethod
  44     def setUpClass(cls):
  45         super(TemplateIpsecEsp, cls).setUpClass()
  46         cls.tun_if = cls.pg0
  47         cls.tra_if = cls.pg2
  48         cls.logger.info(cls.vapi.ppcli("show int addr"))
  49         cls.vapi.ipsec_spd_add_del(cls.tra_spd_id)
  50         cls.vapi.ipsec_interface_add_del_spd(cls.tra_spd_id,
  51                                              cls.tra_if.sw_if_index)
  52         for _, p in cls.params.items():
  53             cls.config_esp_tra(p)
  54         cls.logger.info(cls.vapi.ppcli("show ipsec"))
  55         cls.vapi.ipsec_spd_add_del(cls.tun_spd_id)
  56         cls.vapi.ipsec_interface_add_del_spd(cls.tun_spd_id,
  57                                              cls.tun_if.sw_if_index)
  58         for _, p in cls.params.items():
  59             cls.config_esp_tun(p)
  60         cls.logger.info(cls.vapi.ppcli("show ipsec"))
  61         for _, p in cls.params.items():
  62             src = socket.inet_pton(p.addr_type, p.remote_tun_if_host)
  63             cls.vapi.ip_add_del_route(
  64                 src, p.addr_len, cls.tun_if.remote_addr_n[p.addr_type],
  65                 is_ipv6=p.is_ipv6)
  66
  67     @classmethod
  68     def config_esp_tun(cls, params):
  69         addr_type = params.addr_type
  70         is_ipv6 = params.is_ipv6
  71         scapy_tun_sa_id = params.scapy_tun_sa_id
  72         scapy_tun_spi = params.scapy_tun_spi
  73         vpp_tun_sa_id = params.vpp_tun_sa_id
  74         vpp_tun_spi = params.vpp_tun_spi
  75         auth_algo_vpp_id = params.auth_algo_vpp_id
  76         auth_key = params.auth_key
  77         crypt_algo_vpp_id = params.crypt_algo_vpp_id
  78         crypt_key = params.crypt_key
  79         remote_tun_if_host = params.remote_tun_if_host
  80         addr_any = params.addr_any
  81         addr_bcast = params.addr_bcast
  82         cls.vapi.ipsec_sad_add_del_entry(scapy_tun_sa_id, scapy_tun_spi,
  83                                          auth_algo_vpp_id, auth_key,
  84                                          crypt_algo_vpp_id, crypt_key,
  85                                          cls.vpp_esp_protocol,
  86                                          cls.tun_if.local_addr_n[addr_type],
  87                                          cls.tun_if.remote_addr_n[addr_type],
  88                                          is_tunnel=1, is_tunnel_ipv6=is_ipv6)
  89         cls.vapi.ipsec_sad_add_del_entry(vpp_tun_sa_id, vpp_tun_spi,
  90                                          auth_algo_vpp_id, auth_key,
  91                                          crypt_algo_vpp_id, crypt_key,
  92                                          cls.vpp_esp_protocol,
  93                                          cls.tun_if.remote_addr_n[addr_type],
  94                                          cls.tun_if.local_addr_n[addr_type],
  95                                          is_tunnel=1, is_tunnel_ipv6=is_ipv6)
  96         l_startaddr = r_startaddr = socket.inet_pton(addr_type, addr_any)
  97         l_stopaddr = r_stopaddr = socket.inet_pton(addr_type, addr_bcast)
  98         cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, scapy_tun_sa_id,
  99                                          l_startaddr, l_stopaddr, r_startaddr,
 100                                          r_stopaddr, is_ipv6=is_ipv6,
 101                                          protocol=socket.IPPROTO_ESP)
 102         cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, scapy_tun_sa_id,
 103                                          l_startaddr, l_stopaddr, r_startaddr,
 104                                          r_stopaddr, is_outbound=0,
 105                                          protocol=socket.IPPROTO_ESP,
 106                                          is_ipv6=is_ipv6)
 107         l_startaddr = l_stopaddr = socket.inet_pton(addr_type,
 108                                                     remote_tun_if_host)
 109         r_startaddr = r_stopaddr = cls.pg1.remote_addr_n[addr_type]
 110         cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, vpp_tun_sa_id,
 111                                          l_startaddr, l_stopaddr, r_startaddr,
 112                                          r_stopaddr, priority=10, policy=3,
 113                                          is_ipv6=is_ipv6, is_outbound=0)
 114         cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, scapy_tun_sa_id,
 115                                          r_startaddr, r_stopaddr, l_startaddr,
 116                                          l_stopaddr, priority=10, policy=3,
 117                                          is_ipv6=is_ipv6)
 118         l_startaddr = l_stopaddr = socket.inet_pton(addr_type,
 119                                                     remote_tun_if_host)
 120         r_startaddr = r_stopaddr = cls.pg0.local_addr_n[addr_type]
 121         cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, vpp_tun_sa_id,
 122                                          l_startaddr, l_stopaddr, r_startaddr,
 123                                          r_stopaddr, priority=20, policy=3,
 124                                          is_outbound=0, is_ipv6=is_ipv6)
 125         cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, scapy_tun_sa_id,
 126                                          r_startaddr, r_stopaddr, l_startaddr,
 127                                          l_stopaddr, priority=20, policy=3,
 128                                          is_ipv6=is_ipv6)
 129
 130     @classmethod
 131     def config_esp_tra(cls, params):
 132         addr_type = params.addr_type
 133         is_ipv6 = params.is_ipv6
 134         scapy_tra_sa_id = params.scapy_tra_sa_id
 135         scapy_tra_spi = params.scapy_tra_spi
 136         vpp_tra_sa_id = params.vpp_tra_sa_id
 137         vpp_tra_spi = params.vpp_tra_spi
 138         auth_algo_vpp_id = params.auth_algo_vpp_id
 139         auth_key = params.auth_key
 140         crypt_algo_vpp_id = params.crypt_algo_vpp_id
 141         crypt_key = params.crypt_key
 142         addr_any = params.addr_any
 143         addr_bcast = params.addr_bcast
 144         cls.vapi.ipsec_sad_add_del_entry(scapy_tra_sa_id, scapy_tra_spi,
 145                                          auth_algo_vpp_id, auth_key,
 146                                          crypt_algo_vpp_id, crypt_key,
 147                                          cls.vpp_esp_protocol, is_tunnel=0)
 148         cls.vapi.ipsec_sad_add_del_entry(vpp_tra_sa_id, vpp_tra_spi,
 149                                          auth_algo_vpp_id, auth_key,
 150                                          crypt_algo_vpp_id, crypt_key,
 151                                          cls.vpp_esp_protocol, is_tunnel=0)
 152         l_startaddr = r_startaddr = socket.inet_pton(addr_type, addr_any)
 153         l_stopaddr = r_stopaddr = socket.inet_pton(addr_type, addr_bcast)
 154         cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, vpp_tra_sa_id,
 155                                          l_startaddr, l_stopaddr, r_startaddr,
 156                                          r_stopaddr, is_ipv6=is_ipv6,
 157                                          protocol=socket.IPPROTO_ESP)
 158         cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, vpp_tra_sa_id,
 159                                          l_startaddr, l_stopaddr, r_startaddr,
 160                                          r_stopaddr, is_outbound=0,
 161                                          is_ipv6=is_ipv6,
 162                                          protocol=socket.IPPROTO_ESP)
 163         l_startaddr = l_stopaddr = cls.tra_if.local_addr_n[addr_type]
 164         r_startaddr = r_stopaddr = cls.tra_if.remote_addr_n[addr_type]
 165         cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, vpp_tra_sa_id,
 166                                          l_startaddr, l_stopaddr, r_startaddr,
 167                                          r_stopaddr, priority=10, policy=3,
 168                                          is_outbound=0, is_ipv6=is_ipv6)
 169         cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, scapy_tra_sa_id,
 170                                          l_startaddr, l_stopaddr, r_startaddr,
 171                                          r_stopaddr, priority=10, policy=3,
 172                                          is_ipv6=is_ipv6)
 173
 174
 175 class TestIpsecEsp1(TemplateIpsecEsp, IpsecTraTests, IpsecTunTests):
 176     """ Ipsec ESP - TUN & TRA tests """
 177     tra4_encrypt_node_name = "esp4-encrypt"
 178     tra4_decrypt_node_name = "esp4-decrypt"
 179     tra6_encrypt_node_name = "esp6-encrypt"
 180     tra6_decrypt_node_name = "esp6-decrypt"
 181     tun4_encrypt_node_name = "esp4-encrypt"
 182     tun4_decrypt_node_name = "esp4-decrypt"
 183     tun6_encrypt_node_name = "esp6-encrypt"
 184     tun6_decrypt_node_name = "esp6-decrypt"
 185
 186
 187 class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
 188     """ Ipsec ESP - TCP tests """
 189     pass
 190
 191
 192 if __name__ == '__main__':
 193     unittest.main(testRunner=VppTestRunner)