from vpp_object import VppObject from ipaddress import ip_address from vpp_papi import VppEnum from vpp_interface import VppInterface try: text_type = unicode except NameError: text_type = str def mk_counter(): return {"packets": 0, "bytes": 0} 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=socket.IPPROTO_RAW, 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.is_outbound = is_outbound self.priority = priority if not policy: self.policy = VppEnum.vl_api_ipsec_spd_action_t.IPSEC_API_SPD_ACTION_BYPASS else: self.policy = 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) return self 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, worker=None): c = self.test.statistics.get_counter("/net/ipsec/policy") if worker is None: total = mk_counter() for t in c: total["packets"] += t[self.stat_index]["packets"] return total else: # +1 to skip main thread return c[worker + 1][self.stat_index] class VppIpsecSA(VppObject): """ VPP SAD Entry """ DEFAULT_UDP_PORT = 4500 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, tun_flags=None, dscp=None, udp_src=None, udp_dst=None, hop_limit=None, anti_replay_window_size=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.anti_replay_window_size = anti_replay_window_size self.table_id = 0 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 tun_dst: self.tun_dst = ip_address(text_type(tun_dst)) self.udp_src = udp_src self.udp_dst = udp_dst self.tun_flags = ( VppEnum.vl_api_tunnel_encap_decap_flags_t.TUNNEL_API_ENCAP_DECAP_FLAG_NONE ) if tun_flags: self.tun_flags = tun_flags self.dscp = VppEnum.vl_api_ip_dscp_t.IP_API_DSCP_CS0 if dscp: self.dscp = dscp self.hop_limit = 255 if hop_limit: self.hop_limit = hop_limit def tunnel_encode(self): return { "src": (self.tun_src if self.tun_src else []), "dst": (self.tun_dst if self.tun_dst else []), "encap_decap_flags": self.tun_flags, "dscp": self.dscp, "hop_limit": self.hop_limit, "table_id": self.table_id, } def add_vpp_config(self): entry = { "sad_id": self.id, "spi": self.spi, "integrity_algorithm": self.integ_alg, "integrity_key": { "length": len(self.integ_key), "data": self.integ_key, }, "crypto_algorithm": self.crypto_alg, "crypto_key": { "data": self.crypto_key, "length": len(self.crypto_key), }, "protocol": self.proto, "tunnel": self.tunnel_encode(), "flags": self.flags, "salt": self.salt, "anti_replay_window_size": self.anti_replay_window_size, } # don't explicitly send the defaults, let papi fill them in if self.udp_src: entry["udp_src_port"] = self.udp_src if self.udp_dst: entry["udp_dst_port"] = self.udp_dst r = self.test.vapi.ipsec_sad_entry_add_v2(entry=entry) self.stat_index = r.stat_index self.test.registry.register(self, self.test.logger) return self def update_vpp_config( self, udp_src=None, udp_dst=None, is_tun=False, tun_src=None, tun_dst=None ): if is_tun: if tun_src: self.tun_src = ip_address(text_type(tun_src)) if tun_dst: self.tun_dst = 
/*
 *------------------------------------------------------------------
 * teib_api.c - teib api
 *
 * Copyright (c) 2016 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:
 *