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path: root/src/vnet/ip/ip6_input.h
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/*
 * Copyright (c) 2017 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.
 */
/*
 * ip/ip6_input.c: IP v6 input node
 *
 * 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
}
from vpp_object import VppObject
from ipaddress import ip_address
from vpp_papi import VppEnum

try:
    text_type = unicode
except NameError:
    text_type = str


class VppIpsecSpd(VppObject):
    """
    VPP SPD DB
    """

    def __init__(self, test, id):
        self.test = test
        self.id = id

    def add_vpp_config(self):
        self.test.vapi.ipsec_spd_add_del(self.id)
        self.test.registry.register(self, self.test.logger)

    def remove_vpp_config(self):
        self.test.vapi.ipsec_spd_add_del(self.id, is_add=0)

    def object_id(self):
        return "ipsec-spd-%d" % self.id

    def query_vpp_config(self):
        spds = self.test.vapi.ipsec_spds_dump()
        for spd in spds:
            if spd.spd_id == self.id:
                return True
        return False


class VppIpsecSpdItfBinding(VppObject):
    """
    VPP SPD DB to interface binding
    (i.e. this SPD is used on this interface)
    """

    def __init__(self, test, spd, itf):
        self.test = test
        self.spd = spd
        self.itf = itf

    def add_vpp_config(self):
        self.test.vapi.ipsec_interface_add_del_spd(self.spd.id,
                                                   self.itf.sw_if_index)
        self.test.registry.register(self, self.test.logger)

    def remove_vpp_config(self):
        self.test.vapi.ipsec_interface_add_del_spd(self.spd.id,
                                                   self.itf.sw_if_index,
                                                   is_add=0)

    def object_id(self):
        return "bind-%s-to-%s" % (self.spd.id, self.itf)

    def query_vpp_config(self):
        bs = self.test.vapi.ipsec_spd_interface_dump()
        for b in bs:
            if b.sw_if_index == self.itf.sw_if_index:
                return True
        return False


class VppIpsecSpdEntry(VppObject):
    """
    VPP SPD DB Entry
    """

    def __init__(self, test, spd, sa_id,
                 local_start, local_stop,
                 remote_start, remote_stop,
                 proto,
                 priority=100,
                 policy=None,
                 is_outbound=1,
                 remote_port_start=0,
                 remote_port_stop=65535,
                 local_port_start=0,
                 local_port_stop=65535):
        self.test = test
        self.spd = spd
        self.sa_id = sa_id
        self.local_start = ip_address(text_type(local_start))
        self.local_stop = ip_address(text_type(local_stop))
        self.remote_start = ip_address(text_type(remote_start))
        self.remote_stop = ip_address(text_type(remote_stop))
        self.proto = proto
        self.
= policy self.is_ipv6 = (0 if self.local_start.version == 4 else 1) self.local_port_start = local_port_start self.local_port_stop = local_port_stop self.remote_port_start = remote_port_start self.remote_port_stop = remote_port_stop def add_vpp_config(self): rv = self.test.vapi.ipsec_spd_entry_add_del( self.spd.id, self.sa_id, self.local_start, self.local_stop, self.remote_start, self.remote_stop, protocol=self.proto, is_ipv6=self.is_ipv6, is_outbound=self.is_outbound, priority=self.priority, policy=self.policy, local_port_start=self.local_port_start, local_port_stop=self.local_port_stop, remote_port_start=self.remote_port_start, remote_port_stop=self.remote_port_stop) self.stat_index = rv.stat_index self.test.registry.register(self, self.test.logger) def remove_vpp_config(self): self.test.vapi.ipsec_spd_entry_add_del( self.spd.id, self.sa_id, self.local_start, self.local_stop, self.remote_start, self.remote_stop, protocol=self.proto, is_ipv6=self.is_ipv6, is_outbound=self.is_outbound, priority=self.priority, policy=self.policy, local_port_start=self.local_port_start, local_port_stop=self.local_port_stop, remote_port_start=self.remote_port_start, remote_port_stop=self.remote_port_stop, is_add=0) def object_id(self): return "spd-entry-%d-%d-%d-%d-%d-%d" % (self.spd.id, self.priority, self.policy, self.is_outbound, self.is_ipv6, self.remote_port_start) def query_vpp_config(self): ss = self.test.vapi.ipsec_spd_dump(self.spd.id) for s in ss: if s.entry.sa_id == self.sa_id and \ s.entry.is_outbound == self.is_outbound and \ s.entry.priority == self.priority and \ s.entry.policy == self.policy and \ s.entry.remote_address_start == self.remote_start and \ s.entry.remote_port_start == self.remote_port_start: return True return False def get_stats(self): c = self.test.statistics.get_counter("/net/ipsec/policy") return c[0][self.stat_index] class VppIpsecSA(VppObject): """ VPP SAD Entry """ def __init__(self, test, id, spi, integ_alg, integ_key, crypto_alg, crypto_key, proto, tun_src=None, tun_dst=None, flags=None, salt=0): e = VppEnum.vl_api_ipsec_sad_flags_t self.test = test self.id = id self.spi = spi self.integ_alg = integ_alg self.integ_key = integ_key self.crypto_alg = crypto_alg self.crypto_key = crypto_key self.proto = proto self.salt = salt self.tun_src = tun_src self.tun_dst = tun_dst if not flags: self.flags = e.IPSEC_API_SAD_FLAG_NONE else: self.flags = flags if (tun_src): self.tun_src = ip_address(text_type(tun_src)) self.flags = self.flags | e.IPSEC_API_SAD_FLAG_IS_TUNNEL if (self.tun_src.version == 6): self.flags = self.flags | e.IPSEC_API_SAD_FLAG_IS_TUNNEL_V6 if (tun_dst): self.tun_dst = ip_address(text_type(tun_dst)) def add_vpp_config(self): r = self.test.vapi.ipsec_sad_entry_add_del( self.id, self.spi, self.integ_alg, self.integ_key, self.crypto_alg, self.crypto_key, self.proto, (self.tun_src if self.tun_src else []), (self.tun_dst if self.tun_dst else []), flags=self.flags, salt=self.salt) self.stat_index = r.stat_index self.test.registry.register(self, self.test.logger) def remove_vpp_config(self): self.test.vapi.ipsec_sad_entry_add_del( self.id, self.spi, self.integ_alg, self.integ_key, self.crypto_alg, self.crypto_key, self.proto, (self.tun_src if self.tun_src else []), (self.tun_dst if self.tun_dst else []), flags=self.flags, is_add=0) def object_id(self): return "ipsec-sa-%d" % self.id def query_vpp_config(self): bs = self.test.vapi.ipsec_sa_dump() for b in bs: if b.entry.sad_id == self.id: return True return False def get_stats(self): c = self.test.statistics.get_counter("/net/ipsec/sa") return c[0][self.stat_index]