aboutsummaryrefslogtreecommitdiffstats
path: root/src/vnet/udp/udp_packet.h
blob: 110bf61af1400367b814533bd87b1925397ce9fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
/*
 * Copyright (c) 2015-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * ip4/udp_packet.h: UDP packet format
 *
 * Copyright (c) 2008 Eliot Dresselhaus
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef included_udp_packet_h
#define included_udp_packet_h

typedef struct
{
  /* Source and destination port. */
  u16 src_port, dst_port;

  /* Length of UDP header plus payload. */
  u16 length;

  /* Checksum of UDP pseudo-header and data or
     zero if checksum is disabled. */
  u16 checksum;
} udp_header_t;

#endif /* included_udp_packet_h */


/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
n484'>484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878
import socket
import unittest
from scapy.layers.ipsec import ESP
from scapy.layers.inet import IP, ICMP, UDP

from parameterized import parameterized
from framework import VppTestRunner
from template_ipsec import IpsecTra46Tests, IpsecTun46Tests, TemplateIpsec, \
    IpsecTcpTests, IpsecTun4Tests, IpsecTra4Tests, config_tra_params, \
    config_tun_params, IPsecIPv4Params, IPsecIPv6Params, \
    IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6, \
    IpsecTun6HandoffTests, IpsecTun4HandoffTests, \
    IpsecTra6ExtTests
from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\
    VppIpsecSpdItfBinding
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_ip import DpoProto
from vpp_papi import VppEnum

NUM_PKTS = 67
engines_supporting_chain_bufs = ["openssl"]


class ConfigIpsecESP(TemplateIpsec):
    encryption_type = ESP
    tra4_encrypt_node_name = "esp4-encrypt"
    tra4_decrypt_node_name = "esp4-decrypt"
    tra6_encrypt_node_name = "esp6-encrypt"
    tra6_decrypt_node_name = "esp6-decrypt"
    tun4_encrypt_node_name = "esp4-encrypt"
    tun4_decrypt_node_name = "esp4-decrypt"
    tun6_encrypt_node_name = "esp6-encrypt"
    tun6_decrypt_node_name = "esp6-decrypt"

    @classmethod
    def setUpClass(cls):
        super(ConfigIpsecESP, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(ConfigIpsecESP, cls).tearDownClass()

    def setUp(self):
        super(ConfigIpsecESP, self).setUp()

    def tearDown(self):
        super(ConfigIpsecESP, self).tearDown()

    def config_network(self, params):
        self.net_objs = []
        self.tun_if = self.pg0
        self.tra_if = self.pg2
        self.logger.info(self.vapi.ppcli("show int addr"))

        self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
        self.tra_spd.add_vpp_config()
        self.net_objs.append(self.tra_spd)
        self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
        self.tun_spd.add_vpp_config()
        self.net_objs.append(self.tun_spd)

        b = VppIpsecSpdItfBinding(self, self.tun_spd,
                                  self.tun_if)
        b.add_vpp_config()
        self.net_objs.append(b)

        b = VppIpsecSpdItfBinding(self, self.tra_spd,
                                  self.tra_if)
        b.add_vpp_config()
        self.net_objs.append(b)

        for p in params:
            self.config_esp_tra(p)
            config_tra_params(p, self.encryption_type)
        for p in params:
            self.config_esp_tun(p)
            config_tun_params(p, self.encryption_type, self.tun_if)

        for p in params:
            d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
            r = VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
                           [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
                                         0xffffffff,
                                         proto=d)])
            r.add_vpp_config()
            self.net_objs.append(r)

        self.logger.info(self.vapi.ppcli("show ipsec all"))

    def unconfig_network(self):
        for o in reversed(self.net_objs):
            o.remove_vpp_config()
        self.net_objs = []

    def config_esp_tun(self, params):
        addr_type = params.addr_type
        scapy_tun_sa_id = params.scapy_tun_sa_id
        scapy_tun_spi = params.scapy_tun_spi
        vpp_tun_sa_id = params.vpp_tun_sa_id
        vpp_tun_spi = params.vpp_tun_spi
        auth_algo_vpp_id = params.auth_algo_vpp_id
        auth_key = params.auth_key
        crypt_algo_vpp_id = params.crypt_algo_vpp_id
        crypt_key = params.crypt_key
        remote_tun_if_host = params.remote_tun_if_host
        addr_any = params.addr_any
        addr_bcast = params.addr_bcast
        e = VppEnum.vl_api_ipsec_spd_action_t
        flags = params.flags
        salt = params.salt
        objs = []

        params.tun_sa_in = VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
                                      auth_algo_vpp_id, auth_key,
                                      crypt_algo_vpp_id, crypt_key,
                                      self.vpp_esp_protocol,
                                      self.tun_if.local_addr[addr_type],
                                      self.tun_if.remote_addr[addr_type],
                                      flags=flags,
                                      salt=salt)
        params.tun_sa_out = VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
                                       auth_algo_vpp_id, auth_key,
                                       crypt_algo_vpp_id, crypt_key,
                                       self.vpp_esp_protocol,
                                       self.tun_if.remote_addr[addr_type],
                                       self.tun_if.local_addr[addr_type],
                                       flags=flags,
                                       salt=salt)
        objs.append(params.tun_sa_in)
        objs.append(params.tun_sa_out)

        params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd,
                                                    scapy_tun_sa_id,
                                                    addr_any, addr_bcast,
                                                    addr_any, addr_bcast,
                                                    socket.IPPROTO_ESP)
        params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd,
                                                     scapy_tun_sa_id,
                                                     addr_any, addr_bcast,
                                                     addr_any, addr_bcast,
                                                     socket.IPPROTO_ESP,
                                                     is_outbound=0)
        objs.append(params.spd_policy_out_any)
        objs.append(params.spd_policy_in_any)

        objs.append(VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
                                     remote_tun_if_host, remote_tun_if_host,
                                     self.pg1.remote_addr[addr_type],
                                     self.pg1.remote_addr[addr_type],
                                     0,
                                     priority=10,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
                                     self.pg1.remote_addr[addr_type],
                                     self.pg1.remote_addr[addr_type],
                                     remote_tun_if_host, remote_tun_if_host,
                                     0,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     priority=10))
        objs.append(VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
                                     remote_tun_if_host, remote_tun_if_host,
                                     self.pg0.local_addr[addr_type],
                                     self.pg0.local_addr[addr_type],
                                     0,
                                     priority=20,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
                                     self.pg0.local_addr[addr_type],
                                     self.pg0.local_addr[addr_type],
                                     remote_tun_if_host, remote_tun_if_host,
                                     0,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     priority=20))
        for o in objs:
            o.add_vpp_config()
        self.net_objs = self.net_objs + objs

    def config_esp_tra(self, params):
        addr_type = params.addr_type
        scapy_tra_sa_id = params.scapy_tra_sa_id
        scapy_tra_spi = params.scapy_tra_spi
        vpp_tra_sa_id = params.vpp_tra_sa_id
        vpp_tra_spi = params.vpp_tra_spi
        auth_algo_vpp_id = params.auth_algo_vpp_id
        auth_key = params.auth_key
        crypt_algo_vpp_id = params.crypt_algo_vpp_id
        crypt_key = params.crypt_key
        addr_any = params.addr_any
        addr_bcast = params.addr_bcast
        flags = (VppEnum.vl_api_ipsec_sad_flags_t.
                 IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
        e = VppEnum.vl_api_ipsec_spd_action_t
        flags = params.flags | flags
        salt = params.salt
        objs = []

        params.tra_sa_in = VppIpsecSA(self, scapy_tra_sa_id, scapy_tra_spi,
                                      auth_algo_vpp_id, auth_key,
                                      crypt_algo_vpp_id, crypt_key,
                                      self.vpp_esp_protocol,
                                      flags=flags,
                                      salt=salt)
        params.tra_sa_out = VppIpsecSA(self, vpp_tra_sa_id, vpp_tra_spi,
                                       auth_algo_vpp_id, auth_key,
                                       crypt_algo_vpp_id, crypt_key,
                                       self.vpp_esp_protocol,
                                       flags=flags,
                                       salt=salt)
        objs.append(params.tra_sa_in)
        objs.append(params.tra_sa_out)

        objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
                                     addr_any, addr_bcast,
                                     addr_any, addr_bcast,
                                     socket.IPPROTO_ESP))
        objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
                                     addr_any, addr_bcast,
                                     addr_any, addr_bcast,
                                     socket.IPPROTO_ESP,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     0, priority=10,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     priority=10))
        for o in objs:
            o.add_vpp_config()
        self.net_objs = self.net_objs + objs


class TemplateIpsecEsp(ConfigIpsecESP):
    """
    Basic test for ipsec esp sanity - tunnel and transport modes.

    Below 4 cases are covered as part of this test
    1) ipsec esp v4 transport basic test  - IPv4 Transport mode
        scenario using HMAC-SHA1-96 integrity algo
    2) ipsec esp v4 transport burst test
        Above test for 257 pkts
    3) ipsec esp 4o4 tunnel basic test    - IPv4 Tunnel mode
        scenario using HMAC-SHA1-96 integrity algo
    4) ipsec esp 4o4 tunnel burst test
        Above test for 257 pkts

    TRANSPORT MODE:

     ---   encrypt   ---
    |pg2| <-------> |VPP|
     ---   decrypt   ---

    TUNNEL MODE:

     ---   encrypt   ---   plain   ---
    |pg0| <-------  |VPP| <------ |pg1|
     ---             ---           ---

     ---   decrypt   ---   plain   ---
    |pg0| ------->  |VPP| ------> |pg1|
     ---             ---           ---
    """

    @classmethod
    def setUpClass(cls):
        super(TemplateIpsecEsp, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TemplateIpsecEsp, cls).tearDownClass()

    def setUp(self):
        super(TemplateIpsecEsp, self).setUp()
        self.config_network(self.params.values())

    def tearDown(self):
        self.unconfig_network()
        super(TemplateIpsecEsp, self).tearDown()


class TestIpsecEsp1(TemplateIpsecEsp, IpsecTra46Tests,
                    IpsecTun46Tests, IpsecTra6ExtTests):
    """ Ipsec ESP - TUN & TRA tests """

    @classmethod
    def setUpClass(cls):
        super(TestIpsecEsp1, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestIpsecEsp1, cls).tearDownClass()

    def setUp(self):
        super(TestIpsecEsp1, self).setUp()

    def tearDown(self):
        super(TestIpsecEsp1, self).tearDown()

    def test_tun_46(self):
        """ ipsec 4o6 tunnel """
        # add an SPD entry to direct 2.2.2.2 to the v6 tunnel SA
        p6 = self.ipv6_params
        p4 = self.ipv4_params

        p6.remote_tun_if_host4 = "2.2.2.2"
        e = VppEnum.vl_api_ipsec_spd_action_t

        VppIpsecSpdEntry(self,
                         self.tun_spd,
                         p6.scapy_tun_sa_id,
                         self.pg1.remote_addr[p4.addr_type],
                         self.pg1.remote_addr[p4.addr_type],
                         p6.remote_tun_if_host4,
                         p6.remote_tun_if_host4,
                         0,
                         priority=10,
                         policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                         is_outbound=1).add_vpp_config()
        VppIpRoute(self,  p6.remote_tun_if_host4, p4.addr_len,
                   [VppRoutePath(self.tun_if.remote_addr[p4.addr_type],
                                 0xffffffff)]).add_vpp_config()

        old_name = self.tun6_encrypt_node_name
        self.tun6_encrypt_node_name = "esp4-encrypt"

        self.verify_tun_46(p6, count=63)
        self.tun6_encrypt_node_name = old_name

    def test_tun_64(self):
        """ ipsec 6o4 tunnel """
        # add an SPD entry to direct 4444::4 to the v4 tunnel SA
        p6 = self.ipv6_params
        p4 = self.ipv4_params

        p4.remote_tun_if_host6 = "4444::4"
        e = VppEnum.vl_api_ipsec_spd_action_t

        VppIpsecSpdEntry(self,
                         self.tun_spd,
                         p4.scapy_tun_sa_id,
                         self.pg1.remote_addr[p6.addr_type],
                         self.pg1.remote_addr[p6.addr_type],
                         p4.remote_tun_if_host6,
                         p4.remote_tun_if_host6,
                         0,
                         priority=10,
                         policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                         is_outbound=1).add_vpp_config()
        d = DpoProto.DPO_PROTO_IP6
        VppIpRoute(self,  p4.remote_tun_if_host6, p6.addr_len,
                   [VppRoutePath(self.tun_if.remote_addr[p6.addr_type],
                                 0xffffffff,
                                 proto=d)]).add_vpp_config()

        old_name = self.tun4_encrypt_node_name
        self.tun4_encrypt_node_name = "esp6-encrypt"
        self.verify_tun_64(p4, count=63)
        self.tun4_encrypt_node_name = old_name


class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
    """ Ipsec ESP - TCP tests """
    pass


class TestIpsecEspHandoff(TemplateIpsecEsp,
                          IpsecTun6HandoffTests,
                          IpsecTun4HandoffTests):
    """ Ipsec ESP - handoff tests """
    pass


class TemplateIpsecEspUdp(ConfigIpsecESP):
    """
    UDP encapped ESP
    """

    @classmethod
    def setUpClass(cls):
        super(TemplateIpsecEspUdp, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TemplateIpsecEspUdp, cls).tearDownClass()

    def setUp(self):
        super(TemplateIpsecEspUdp, self).setUp()
        self.net_objs = []
        self.tun_if = self.pg0
        self.tra_if = self.pg2
        self.logger.info(self.vapi.ppcli("show int addr"))

        p = self.ipv4_params
        p.flags = (VppEnum.vl_api_ipsec_sad_flags_t.
                   IPSEC_API_SAD_FLAG_UDP_ENCAP)
        p.nat_header = UDP(sport=5454, dport=4500)

        self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
        self.tra_spd.add_vpp_config()
        VppIpsecSpdItfBinding(self, self.tra_spd,
                              self.tra_if).add_vpp_config()

        self.config_esp_tra(p)
        config_tra_params(p, self.encryption_type)

        self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
        self.tun_spd.add_vpp_config()
        VppIpsecSpdItfBinding(self, self.tun_spd,
                              self.tun_if).add_vpp_config()

        self.config_esp_tun(p)
        self.logger.info(self.vapi.ppcli("show ipsec all"))

        d = DpoProto.DPO_PROTO_IP4
        VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
                   [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
                                 0xffffffff,
                                 proto=d)]).add_vpp_config()

    def tearDown(self):
        super(TemplateIpsecEspUdp, self).tearDown()

    def show_commands_at_teardown(self):
        self.logger.info(self.vapi.cli("show hardware"))


class TestIpsecEspUdp(TemplateIpsecEspUdp, IpsecTra4Tests):
    """ Ipsec NAT-T ESP UDP tests """
    pass


class MyParameters():
    def __init__(self):
        self.engines = ["ia32", "ipsecmb", "openssl"]
        flag_esn = VppEnum.vl_api_ipsec_sad_flags_t.IPSEC_API_SAD_FLAG_USE_ESN
        self.flags = [0, flag_esn]
        # foreach crypto algorithm
        self.algos = {
            'AES-GCM-128/NONE': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_GCM_128),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_NONE),
                  'scapy-crypto': "AES-GCM",
                  'scapy-integ': "NULL",
                  'key': b"JPjyOWBeVEQiMe7h",
                  'salt': 0},
            'AES-GCM-192/NONE': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_GCM_192),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_NONE),
                  'scapy-crypto': "AES-GCM",
                  'scapy-integ': "NULL",
                  'key': b"JPjyOWBeVEQiMe7h01234567",
                  'salt': 1010},
            'AES-GCM-256/NONE': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_GCM_256),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_NONE),
                  'scapy-crypto': "AES-GCM",
                  'scapy-integ': "NULL",
                  'key': b"JPjyOWBeVEQiMe7h0123456787654321",
                  'salt': 2020},
            'AES-CBC-128/MD5-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_CBC_128),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_MD5_96),
                  'scapy-crypto': "AES-CBC",
                  'scapy-integ': "HMAC-MD5-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7h"},
            'AES-CBC-192/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_CBC_192),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "AES-CBC",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7hJPjyOWBe"},
            'AES-CBC-256/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_CBC_256),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "AES-CBC",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"},
            '3DES-CBC/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_3DES_CBC),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "3DES",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7h00112233"},
            'NONE/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_NONE),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "NULL",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7h00112233"}}


class RunTestIpsecEspAll(ConfigIpsecESP,
                         IpsecTra4, IpsecTra6,
                         IpsecTun4, IpsecTun6):
    """ Ipsec ESP all Algos """

    def setUp(self):
        super(RunTestIpsecEspAll, self).setUp()
        test_args = str.split(self.__doc__, " ")

        params = MyParameters()
        self.engine = test_args[0]
        self.flag = params.flags[0]
        if test_args[1] == 'ESN':
            self.flag = params.flags[1]

        self.algo = params.algos[test_args[2]]

    def tearDown(self):
        super(RunTestIpsecEspAll, self).tearDown()

    def run_test(self):
        self.run_a_test(self.engine, self.flag, self.algo)

    def run_a_test(self, engine, flag, algo, payload_size=None):
        if engine == "ia32":
            engine = "native"
        self.vapi.cli("set crypto handler all %s" % engine)

        self.ipv4_params = IPsecIPv4Params()
        self.ipv6_params = IPsecIPv6Params()

        self.params = {self.ipv4_params.addr_type:
                       self.ipv4_params,
                       self.ipv6_params.addr_type:
                       self.ipv6_params}

        for _, p in self.params.items():
            p.auth_algo_vpp_id = algo['vpp-integ']
            p.crypt_algo_vpp_id = algo['vpp-crypto']
            p.crypt_algo = algo['scapy-crypto']
            p.auth_algo = algo['scapy-integ']
            p.crypt_key = algo['key']
            p.salt = algo['salt']
            p.flags = p.flags | flag

        self.reporter.send_keep_alive(self)

        #
        # configure the SPDs. SAs, etc
        #
        self.config_network(self.params.values())

        #
        # run some traffic.
        #  An exhautsive 4o6, 6o4 is not necessary
        #  for each algo
        #
        self.verify_tra_basic6(count=NUM_PKTS)
        self.verify_tra_basic4(count=NUM_PKTS)
        self.verify_tun_66(self.params[socket.AF_INET6],
                           count=NUM_PKTS)
        #
        # Use an odd-byte payload size to check for correct padding.
        #
        # 49 + 2 == 51 which should pad +1 to 52 for 4 byte alignment, +5
        # to 56 for 8 byte alignment, and +13 to 64 for 64 byte alignment.
        # This should catch bugs where the code is incorrectly over-padding
        # for algorithms that don't require it
        psz = 49 - len(IP()/ICMP()) if payload_size is None else payload_size
        self.verify_tun_44(self.params[socket.AF_INET],
                           count=NUM_PKTS, payload_size=psz)

        LARGE_PKT_SZ = [
            1970,  # results in 2 chained buffers entering decrypt node
                   # but leaving as simple buffer due to ICV removal (tra4)
            2004,  # footer+ICV will be added to 2nd buffer (tun4)
            4010,  # ICV ends up splitted accross 2 buffers in esp_decrypt
                   # for transport4; transport6 takes normal path
            4020,  # same as above but tra4 and tra6 are switched
        ]
        if self.engine in engines_supporting_chain_bufs:
            for sz in LARGE_PKT_SZ:
                self.verify_tra_basic4(count=NUM_PKTS, payload_size=sz)
                self.verify_tra_basic6(count=NUM_PKTS, payload_size=sz)
                self.verify_tun_66(self.params[socket.AF_INET6],
                                   count=NUM_PKTS, payload_size=sz)
                self.verify_tun_44(self.params[socket.AF_INET],
                                   count=NUM_PKTS, payload_size=sz)

        #
        # remove the SPDs, SAs, etc
        #
        self.unconfig_network()

        #
        # reconfigure the network and SA to run the
        # anti replay tests
        #
        self.config_network(self.params.values())
        self.verify_tra_anti_replay()
        self.unconfig_network()

#
# To generate test classes, do:
#   grep '# GEN' test_ipsec_esp.py | sed -e 's/# GEN //g' | bash
#
# GEN for ENG in ia32 ipsecmb openssl; do \
# GEN   for FLG in noESN ESN; do for ALG in AES-GCM-128/NONE \
# GEN     AES-GCM-192/NONE AES-GCM-256/NONE AES-CBC-128/MD5-96 \
# GEN     AES-CBC-192/SHA1-96 AES-CBC-256/SHA1-96 \
# GEN     3DES-CBC/SHA1-96 NONE/SHA1-96; do \
# GEN      [[ ${FLG} == "ESN" &&  ${ALG} == *"NONE" ]] && continue
# GEN      echo -e "\n\nclass Test_${ENG}_${FLG}_${ALG}(RunTestIpsecEspAll):" |
# GEN             sed -e 's/-/_/g' -e 's#/#_#g' ; \
# GEN      echo '    """'$ENG $FLG $ALG IPSec test'"""' ;
# GEN      echo "    def test_ipsec(self):";
# GEN      echo "        self.run_test()";
# GEN done; done; done


class Test_ia32_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
    """ia32 noESN AES-GCM-128/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
    """ia32 noESN AES-GCM-192/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
    """ia32 noESN AES-GCM-256/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ia32 noESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ia32 ESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
    """ipsecmb noESN AES-GCM-128/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
    """ipsecmb noESN AES-GCM-192/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
    """ipsecmb noESN AES-GCM-256/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ipsecmb noESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ipsecmb ESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
    """openssl noESN AES-GCM-128/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
    """openssl noESN AES-GCM-192/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
    """openssl noESN AES-GCM-256/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """openssl noESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """openssl ESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)