-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 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:
"""IPsec utilities library."""
-from ipaddress import ip_network
+import os
+from random import choice
+from string import letters
+from ipaddress import ip_network, ip_address
-from enum import Enum
+from enum import Enum, IntEnum
-from resources.libraries.python.VatExecutor import VatExecutor
+from resources.libraries.python.PapiExecutor import PapiExecutor
from resources.libraries.python.topology import Topology
+from resources.libraries.python.VatExecutor import VatExecutor
from resources.libraries.python.VatJsonUtil import VatJsonUtil
+def gen_key(length):
+ """Generate random string as a key.
+
+ :param length: Length of generated payload.
+ :type length: int
+ :returns: The generated payload.
+ :rtype: str
+ """
+ return ''.join(choice(letters) for _ in range(length)).encode('hex')
+
class PolicyAction(Enum):
"""Policy actions."""
BYPASS = 'bypass'
class CryptoAlg(Enum):
"""Encryption algorithms."""
AES_CBC_128 = ('aes-cbc-128', 'AES-CBC', 16)
- AES_CBC_192 = ('aes-cbc-192', 'AES-CBC', 24)
AES_CBC_256 = ('aes-cbc-256', 'AES-CBC', 32)
+ AES_GCM_128 = ('aes-gcm-128', 'AES-GCM', 16)
+ AES_GCM_256 = ('aes-gcm-256', 'AES-GCM', 32)
def __init__(self, alg_name, scapy_name, key_len):
self.alg_name = alg_name
class IntegAlg(Enum):
"""Integrity algorithm."""
- SHA1_96 = ('sha1-96', 'HMAC-SHA1-96', 20)
SHA_256_128 = ('sha-256-128', 'SHA2-256-128', 32)
- SHA_384_192 = ('sha-384-192', 'SHA2-384-192', 48)
SHA_512_256 = ('sha-512-256', 'SHA2-512-256', 64)
+ AES_GCM_128 = ('aes-gcm-128', 'AES-GCM', 16)
+ AES_GCM_256 = ('aes-gcm-256', 'AES-GCM', 32)
def __init__(self, alg_name, scapy_name, key_len):
self.alg_name = alg_name
self.key_len = key_len
+class IPsecProto(IntEnum):
+ """IPsec protocol."""
+ ESP = 1
+ SEC_AH = 0
+
+
class IPsecUtil(object):
"""IPsec utilities."""
"""
return CryptoAlg.AES_CBC_256
+ @staticmethod
+ def crypto_alg_aes_gcm_128():
+ """Return encryption algorithm aes-gcm-128.
+
+ :returns: CryptoAlg enum AES_GCM_128 object.
+ :rtype: CryptoAlg
+ """
+ return CryptoAlg.AES_GCM_128
+
+ @staticmethod
+ def crypto_alg_aes_gcm_256():
+ """Return encryption algorithm aes-gcm-256.
+
+ :returns: CryptoAlg enum AES_GCM_128 object.
+ :rtype: CryptoAlg
+ """
+ return CryptoAlg.AES_GCM_256
+
@staticmethod
def get_crypto_alg_key_len(crypto_alg):
"""Return encryption algorithm key length.
"""
return IntegAlg.SHA_512_256
+ @staticmethod
+ def integ_alg_aes_gcm_128():
+ """Return integrity algorithm AES-GCM-128.
+
+ :returns: IntegAlg enum AES_GCM_128 object.
+ :rtype: IntegAlg
+ """
+ return IntegAlg.AES_GCM_128
+
+ @staticmethod
+ def integ_alg_aes_gcm_256():
+ """Return integrity algorithm AES-GCM-256.
+
+ :returns: IntegAlg enum AES_GCM_256 object.
+ :rtype: IntegAlg
+ """
+ return IntegAlg.AES_GCM_256
+
@staticmethod
def get_integ_alg_key_len(integ_alg):
"""Return integrity algorithm key length.
"""
return integ_alg.scapy_name
+ @staticmethod
+ def ipsec_proto_esp():
+ """Return IPSec protocol ESP.
+
+ :returns: IPsecProto enum ESP object.
+ :rtype: IPsecProto
+ """
+ return int(IPsecProto.ESP)
+
+ @staticmethod
+ def ipsec_proto_ah():
+ """Return IPSec protocol AH.
+
+ :returns: IPsecProto enum AH object.
+ :rtype: IPsecProto
+ """
+ return int(IPsecProto.SEC_AH)
+
+ @staticmethod
+ def vpp_ipsec_select_backend(node, protocol, index=1):
+ """Select IPsec backend.
+
+ :param node: VPP node to select IPsec backend on.
+ :param protocol: IPsec protocol.
+ :param index: Backend index.
+ :type node: dict
+ :type protocol: IPsecProto
+ :type index: int
+ :raises RuntimeError: If failed to select IPsec backend or if no API
+ reply received.
+ """
+
+ cmd = 'ipsec_select_backend'
+ cmd_reply = 'ipsec_select_backend_reply'
+ err_msg = 'Failed to select IPsec backend on host {host}'.format(
+ host=node['host'])
+ args = dict(protocol=protocol, index=index)
+ with PapiExecutor(node) as papi_exec:
+ papi_resp = papi_exec.add(cmd, **args).execute_should_pass(err_msg)
+ data = papi_resp.reply[0]['api_reply'][cmd_reply]
+ if data['retval'] != 0:
+ raise RuntimeError('Failed to select IPsec backend on host {host}'.
+ format(host=node['host']))
+
+ @staticmethod
+ def vpp_ipsec_backend_dump(node):
+ """Dump IPsec backends.
+
+ :param node: VPP node to dump IPsec backend on.
+ :type node: dict
+ """
+
+ err_msg = 'Failed to dump IPsec backends on host {host}'.format(
+ host=node['host'])
+ with PapiExecutor(node) as papi_exec:
+ papi_exec.add('ipsec_backend_dump').execute_should_pass(
+ err_msg, process_reply=False)
+
@staticmethod
def vpp_ipsec_add_sad_entry(node, sad_id, spi, crypto_alg, crypto_key,
integ_alg, integ_key, tunnel_src=None,
:type spi: int
:type crypto_alg: CryptoAlg
:type crypto_key: str
- :type integ_alg: str
+ :type integ_alg: IntegAlg
:type integ_key: str
:type tunnel_src: str
:type tunnel_dst: str
"""
ckey = crypto_key.encode('hex')
ikey = integ_key.encode('hex')
- tunnel = 'tunnel_src {0} tunnel_dst {1}'.format(tunnel_src, tunnel_dst)\
+ tunnel = 'tunnel-src {0} tunnel-dst {1}'.format(tunnel_src, tunnel_dst)\
if tunnel_src is not None and tunnel_dst is not None else ''
out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_sad_add_entry.vat",
+ 'ipsec/ipsec_sad_add_entry.vat',
sad_id=sad_id, spi=spi,
calg=crypto_alg.alg_name, ckey=ckey,
ialg=integ_alg.alg_name, ikey=ikey,
out[0],
err_msg='Add SAD entry failed on {0}'.format(node['host']))
+ @staticmethod
+ def vpp_ipsec_add_sad_entries(node, n_entries, sad_id, spi, crypto_alg,
+ crypto_key, integ_alg, integ_key,
+ tunnel_src=None, tunnel_dst=None):
+ """Create multiple Security Association Database entries on VPP node.
+
+ :param node: VPP node to add SAD entry on.
+ :param n_entries: Number of SAD entries to be created.
+ :param sad_id: First SAD entry ID. All subsequent SAD entries will have
+ id incremented by 1.
+ :param spi: Security Parameter Index of first SAD entry. All subsequent
+ SAD entries will have spi incremented by 1.
+ :param crypto_alg: The encryption algorithm name.
+ :param crypto_key: The encryption key string.
+ :param integ_alg: The integrity algorithm name.
+ :param integ_key: The integrity key string.
+ :param tunnel_src: Tunnel header source IPv4 or IPv6 address. If not
+ specified ESP transport mode is used.
+ :param tunnel_dst: Tunnel header destination IPv4 or IPv6 address. If
+ not specified ESP transport mode is used.
+ :type node: dict
+ :type n_entries: int
+ :type sad_id: int
+ :type spi: int
+ :type crypto_alg: CryptoAlg
+ :type crypto_key: str
+ :type integ_alg: IntegAlg
+ :type integ_key: str
+ :type tunnel_src: str
+ :type tunnel_dst: str
+ """
+ tmp_filename = '/tmp/ipsec_sad_{0}_add_del_entry.script'.format(sad_id)
+
+ addr_incr = 1 << (32 - 24)
+
+ with open(tmp_filename, 'w') as tmp_file:
+ for i in range(0, n_entries):
+ integ = ''
+ if not crypto_alg.alg_name.startswith('aes-gcm-'):
+ integ = (
+ 'integ-alg {integ_alg} integ-key {integ_key}'.
+ format(
+ integ_alg=integ_alg.alg_name,
+ integ_key=integ_key))
+ tunnel = (
+ 'tunnel-src {laddr} tunnel-dst {raddr}'.
+ format(
+ laddr=ip_address(unicode(tunnel_src)) + i * addr_incr,
+ raddr=ip_address(unicode(tunnel_dst)) + i * addr_incr)
+ if tunnel_src and tunnel_dst is not None else '')
+ conf = (
+ 'exec ipsec sa add {sad_id} esp spi {spi} '
+ 'crypto-alg {crypto_alg} crypto-key {crypto_key} '
+ '{integ} {tunnel}\n'.
+ format(
+ sad_id=sad_id + i,
+ spi=spi + i,
+ crypto_alg=crypto_alg.alg_name,
+ crypto_key=crypto_key,
+ integ=integ,
+ tunnel=tunnel))
+ tmp_file.write(conf)
+ vat = VatExecutor()
+ vat.execute_script(tmp_filename, node, timeout=300, json_out=False,
+ copy_on_execute=True)
+ os.remove(tmp_filename)
+
+ @staticmethod
+ def vpp_ipsec_set_ip_route(node, n_tunnels, tunnel_src, traffic_addr,
+ tunnel_dst, interface, raddr_range):
+ """Set IP address and route on interface.
+
+ :param node: VPP node to add config on.
+ :param n_tunnels: Number of tunnels to create.
+ :param tunnel_src: Tunnel header source IPv4 or IPv6 address.
+ :param traffic_addr: Traffic destination IP address to route.
+ :param tunnel_dst: Tunnel header destination IPv4 or IPv6 address.
+ :param interface: Interface key on node 1.
+ :param raddr_range: Mask specifying range of Policy selector Remote IPv4
+ addresses. Valid values are from 1 to 32.
+ :type node: dict
+ :type n_tunnels: int
+ :type tunnel_src: str
+ :type traffic_addr: str
+ :type tunnel_dst: str
+ :type interface: str
+ :type raddr_range: int
+ """
+ tmp_filename = '/tmp/ipsec_set_ip.script'
+
+ addr_incr = 1 << (32 - raddr_range)
+
+ with open(tmp_filename, 'w') as tmp_file:
+ for i in range(0, n_tunnels):
+ conf = (
+ 'exec set interface ip address {interface} {laddr}/24\n'
+ 'exec ip route add {taddr}/32 via {raddr} {interface}\n'.
+ format(
+ interface=Topology.get_interface_name(node, interface),
+ laddr=ip_address(unicode(tunnel_src)) + i * addr_incr,
+ raddr=ip_address(unicode(tunnel_dst)) + i * addr_incr,
+ taddr=ip_address(unicode(traffic_addr)) + i))
+ tmp_file.write(conf)
+ vat = VatExecutor()
+ vat.execute_script(tmp_filename, node, timeout=300, json_out=False,
+ copy_on_execute=True)
+ os.remove(tmp_filename)
+
@staticmethod
def vpp_ipsec_sa_set_key(node, sa_id, crypto_key, integ_key):
"""Update Security Association (SA) keys.
ckey = crypto_key.encode('hex')
ikey = integ_key.encode('hex')
- out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_sa_set_key.vat",
- sa_id=sa_id,
- ckey=ckey, ikey=ikey)
+ out = VatExecutor.cmd_from_template(
+ node, 'ipsec/ipsec_sa_set_key.vat', json_param=False, sa_id=sa_id,
+ ckey=ckey, ikey=ikey)
VatJsonUtil.verify_vat_retval(
out[0],
err_msg='Update SA key failed on {0}'.format(node['host']))
:type node: dict
:type spd_id: int
"""
- out = VatExecutor.cmd_from_template(node, "ipsec/ipsec_spd_add.vat",
+ out = VatExecutor.cmd_from_template(node, 'ipsec/ipsec_spd_add.vat',
spd_id=spd_id)
VatJsonUtil.verify_vat_retval(
out[0],
if isinstance(interface, basestring) else interface
out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_interface_add_spd.vat",
+ 'ipsec/ipsec_interface_add_spd.vat',
spd_id=spd_id, sw_if_id=sw_if_index)
VatJsonUtil.verify_vat_retval(
out[0],
interface, spd_id, node['host']))
@staticmethod
- def vpp_ipsec_spd_add_entry(node, spd_id, priority, action, inbound=True,
- sa_id=None, laddr_range=None, raddr_range=None,
- proto=None, lport_range=None, rport_range=None):
+ def vpp_ipsec_policy_add(node, spd_id, priority, action, inbound=True,
+ sa_id=None, laddr_range=None, raddr_range=None,
+ proto=None, lport_range=None, rport_range=None,
+ is_ipv6=False):
"""Create Security Policy Database entry on the VPP node.
:param node: VPP node to add SPD entry on.
outbound.
:param sa_id: SAD entry ID for protect action.
:param laddr_range: Policy selector local IPv4 or IPv6 address range in
- format IP/prefix or IP/mask. If no mask is provided, it's considered
- to be /32.
+ format IP/prefix or IP/mask. If no mask is provided,
+ it's considered to be /32.
:param raddr_range: Policy selector remote IPv4 or IPv6 address range in
- format IP/prefix or IP/mask. If no mask is provided, it's considered
- to be /32.
+ format IP/prefix or IP/mask. If no mask is provided,
+ it's considered to be /32.
:param proto: Policy selector next layer protocol number.
:param lport_range: Policy selector local TCP/UDP port range in format
<port_start>-<port_end>.
:param rport_range: Policy selector remote TCP/UDP port range in format
<port_start>-<port_end>.
+ :param is_ipv6: True in case of IPv6 policy when IPv6 address range is
+ not defined so it will default to address ::/0, otherwise False.
:type node: dict
:type spd_id: int
:type priority: int
:type proto: int
:type lport_range: string
:type rport_range: string
+ :type is_ipv6: bool
"""
direction = 'inbound' if inbound else 'outbound'
+ if laddr_range is None and is_ipv6:
+ laddr_range = '::/0'
+
+ if raddr_range is None and is_ipv6:
+ raddr_range = '::/0'
+
act_str = action.value
if PolicyAction.PROTECT == action and sa_id is not None:
- act_str += 'sa_id {0}'.format(sa_id)
+ act_str += ' sa {0}'.format(sa_id)
selector = ''
if laddr_range is not None:
net = ip_network(unicode(laddr_range), strict=False)
- selector += 'laddr_start {0} laddr_stop {1} '.format(
+ selector += 'local-ip-range {0} - {1} '.format(
net.network_address, net.broadcast_address)
if raddr_range is not None:
net = ip_network(unicode(raddr_range), strict=False)
- selector += 'raddr_start {0} raddr_stop {1} '.format(
+ selector += 'remote-ip-range {0} - {1} '.format(
net.network_address, net.broadcast_address)
if proto is not None:
selector += 'protocol {0} '.format(proto)
if lport_range is not None:
- selector += 'lport_start {p[0]} lport_stop {p[1]} '.format(
- p=lport_range.split('-'))
+ selector += 'local-port-range {0} '.format(lport_range)
if rport_range is not None:
- selector += 'rport_start {p[0]} rport_stop {p[1]} '.format(
- p=rport_range.split('-'))
+ selector += 'remote-port-range {0} '.format(rport_range)
- out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_spd_add_entry.vat",
- spd_id=spd_id, priority=priority,
- action=act_str, direction=direction,
- selector=selector)
+ out = VatExecutor.cmd_from_template(
+ node, 'ipsec/ipsec_policy_add.vat', json_param=False, spd_id=spd_id,
+ priority=priority, action=act_str, direction=direction,
+ selector=selector)
VatJsonUtil.verify_vat_retval(
out[0],
- err_msg='Add entry to SPD {0} failed on {1}'.format(spd_id,
- node['host']))
+ err_msg='Add IPsec policy ID {0} failed on {1}'.format(
+ spd_id, node['host']))
+
+ @staticmethod
+ def vpp_ipsec_spd_add_entries(node, n_entries, spd_id, priority, inbound,
+ sa_id, raddr_ip):
+ """Create multiple Security Policy Database entries on the VPP node.
+
+ :param node: VPP node to add SPD entries on.
+ :param n_entries: Number of SPD entries to be added.
+ :param spd_id: SPD ID to add entries on.
+ :param priority: SPD entries priority, higher number = higher priority.
+ :param inbound: If True policy is for inbound traffic, otherwise
+ outbound.
+ :param sa_id: SAD entry ID for first entry. Each subsequent entry will
+ SAD entry ID incremented by 1.
+ :param raddr_ip: Policy selector remote IPv4 start address for the first
+ entry. Remote IPv4 end address will be calculated depending on
+ raddr_range parameter. Each subsequent entry will have start address
+ next after IPv4 end address of previous entry.
+ :type node: dict
+ :type n_entries: int
+ :type spd_id: int
+ :type priority: int
+ :type inbound: bool
+ :type sa_id: int
+ :type raddr_ip: string
+ """
+ tmp_filename = '/tmp/ipsec_spd_{0}_add_del_entry.script'.format(sa_id)
+
+ with open(tmp_filename, 'w') as tmp_file:
+ for i in range(0, n_entries):
+ raddr_s = ip_address(unicode(raddr_ip)) + i
+ raddr_e = ip_address(unicode(raddr_ip)) + (i + 1) - 1
+ tunnel = (
+ 'exec ipsec policy add spd {spd_id} priority {priority} '
+ '{direction} action protect sa {sa_id} '
+ 'remote-ip-range {raddr_s} - {raddr_e}\n'.
+ format(
+ spd_id=spd_id,
+ priority=priority,
+ direction='inbound' if inbound else 'outbound',
+ sa_id=sa_id+i,
+ raddr_s=raddr_s,
+ raddr_e=raddr_e))
+ tmp_file.write(tunnel)
+ vat = VatExecutor()
+ vat.execute_script(tmp_filename, node, timeout=300, json_out=False,
+ copy_on_execute=True)
+ os.remove(tmp_filename)
+
+ @staticmethod
+ def vpp_ipsec_create_tunnel_interfaces(nodes, if1_ip_addr, if2_ip_addr,
+ if1_key, if2_key, n_tunnels,
+ crypto_alg, integ_alg, raddr_ip1,
+ raddr_ip2, raddr_range):
+ """Create multiple IPsec tunnel interfaces between two VPP nodes.
+
+ :param nodes: VPP nodes to create tunnel interfaces.
+ :param if1_ip_addr: VPP node 1 interface IP4 address.
+ :param if2_ip_addr: VPP node 2 interface IP4 address.
+ :param if1_key: VPP node 1 interface key from topology file.
+ :param if2_key: VPP node 2 interface key from topology file.
+ :param n_tunnels: Number of tunnell interfaces to create.
+ :param crypto_alg: The encryption algorithm name.
+ :param integ_alg: The integrity algorithm name.
+ :param raddr_ip1: Policy selector remote IPv4 start address for the
+ first tunnel in direction node1->node2.
+ :param raddr_ip2: Policy selector remote IPv4 start address for the
+ first tunnel in direction node2->node1.
+ :param raddr_range: Mask specifying range of Policy selector Remote IPv4
+ addresses. Valid values are from 1 to 32.
+ :type nodes: dict
+ :type if1_ip_addr: str
+ :type if2_ip_addr: str
+ :type if1_key: str
+ :type if2_key: str
+ :type n_tunnels: int
+ :type crypto_alg: CryptoAlg
+ :type integ_alg: IntegAlg
+ :type raddr_ip1: string
+ :type raddr_ip2: string
+ :type raddr_range: int
+ """
+ spi_1 = 100000
+ spi_2 = 200000
+ addr_incr = 1 << (32 - raddr_range)
+
+ tmp_fn1 = '/tmp/ipsec_create_tunnel_dut1.config'
+ tmp_fn2 = '/tmp/ipsec_create_tunnel_dut2.config'
+
+ vat = VatExecutor()
+
+ with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2:
+ for i in range(0, n_tunnels):
+ ckey = gen_key(IPsecUtil.get_crypto_alg_key_len(crypto_alg))
+ ikey = gen_key(IPsecUtil.get_integ_alg_key_len(integ_alg))
+ integ = ''
+ if not crypto_alg.alg_name.startswith('aes-gcm-'):
+ integ = (
+ 'integ_alg {integ_alg} '
+ 'local_integ_key {local_integ_key} '
+ 'remote_integ_key {remote_integ_key} '
+ .format(
+ integ_alg=integ_alg.alg_name,
+ local_integ_key=ikey,
+ remote_integ_key=ikey))
+ tmp_f1.write(
+ 'exec set interface ip address {uifc} {laddr}/24\n'
+ 'ipsec_tunnel_if_add_del '
+ 'local_spi {local_spi} '
+ 'remote_spi {remote_spi} '
+ 'crypto_alg {crypto_alg} '
+ 'local_crypto_key {local_crypto_key} '
+ 'remote_crypto_key {remote_crypto_key} '
+ '{integ} '
+ 'local_ip {laddr} '
+ 'remote_ip {raddr}\n'
+ .format(
+ local_spi=spi_1 + i,
+ remote_spi=spi_2 + i,
+ crypto_alg=crypto_alg.alg_name,
+ local_crypto_key=ckey,
+ remote_crypto_key=ckey,
+ integ=integ,
+ laddr=ip_address(unicode(if1_ip_addr)) + i * addr_incr,
+ raddr=ip_address(unicode(if2_ip_addr)) + i * addr_incr,
+ uifc=Topology.get_interface_name(nodes['DUT1'],
+ if1_key)))
+ tmp_f2.write(
+ 'exec set interface ip address {uifc} {laddr}/24\n'
+ 'ipsec_tunnel_if_add_del '
+ 'local_spi {local_spi} '
+ 'remote_spi {remote_spi} '
+ 'crypto_alg {crypto_alg} '
+ 'local_crypto_key {local_crypto_key} '
+ 'remote_crypto_key {remote_crypto_key} '
+ '{integ} '
+ 'local_ip {laddr} '
+ 'remote_ip {raddr}\n'
+ .format(
+ local_spi=spi_2 + i,
+ remote_spi=spi_1 + i,
+ crypto_alg=crypto_alg.alg_name,
+ local_crypto_key=ckey,
+ remote_crypto_key=ckey,
+ integ=integ,
+ laddr=ip_address(unicode(if2_ip_addr)) + i * addr_incr,
+ raddr=ip_address(unicode(if1_ip_addr)) + i * addr_incr,
+ uifc=Topology.get_interface_name(nodes['DUT2'],
+ if2_key)))
+ vat.execute_script(tmp_fn1, nodes['DUT1'], timeout=300, json_out=False,
+ copy_on_execute=True)
+ vat.execute_script(tmp_fn2, nodes['DUT2'], timeout=300, json_out=False,
+ copy_on_execute=True)
+ os.remove(tmp_fn1)
+ os.remove(tmp_fn2)
+
+ with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2:
+ for i in range(0, n_tunnels):
+ tmp_f1.write(
+ 'exec set interface unnumbered ipsec{i} use {uifc}\n'
+ 'exec set interface state ipsec{i} up\n'
+ 'exec ip route add {taddr}/32 via {raddr} ipsec{i}\n'
+ .format(
+ taddr=ip_address(unicode(raddr_ip2)) + i,
+ raddr=ip_address(unicode(if2_ip_addr)) + i * addr_incr,
+ i=i,
+ uifc=Topology.get_interface_name(nodes['DUT1'],
+ if1_key)))
+ tmp_f2.write(
+ 'exec set interface unnumbered ipsec{i} use {uifc}\n'
+ 'exec set interface state ipsec{i} up\n'
+ 'exec ip route add {taddr}/32 via {raddr} ipsec{i}\n'
+ .format(
+ taddr=ip_address(unicode(raddr_ip1)) + i,
+ raddr=ip_address(unicode(if1_ip_addr)) + i * addr_incr,
+ i=i,
+ uifc=Topology.get_interface_name(nodes['DUT2'],
+ if2_key)))
+ vat.execute_script(tmp_fn1, nodes['DUT1'], timeout=300, json_out=False,
+ copy_on_execute=True)
+ vat.execute_script(tmp_fn2, nodes['DUT2'], timeout=300, json_out=False,
+ copy_on_execute=True)
+ os.remove(tmp_fn1)
+ os.remove(tmp_fn2)
+
+ @staticmethod
+ def vpp_ipsec_add_multiple_tunnels(nodes, interface1, interface2,
+ n_tunnels, crypto_alg, integ_alg,
+ tunnel_ip1, tunnel_ip2, raddr_ip1,
+ raddr_ip2, raddr_range):
+ """Create multiple IPsec tunnels between two VPP nodes.
+
+ :param nodes: VPP nodes to create tunnels.
+ :param interface1: Interface name or sw_if_index on node 1.
+ :param interface2: Interface name or sw_if_index on node 2.
+ :param n_tunnels: Number of tunnels to create.
+ :param crypto_alg: The encryption algorithm name.
+ :param integ_alg: The integrity algorithm name.
+ :param tunnel_ip1: Tunnel node1 IPv4 address.
+ :param tunnel_ip2: Tunnel node2 IPv4 address.
+ :param raddr_ip1: Policy selector remote IPv4 start address for the
+ first tunnel in direction node1->node2.
+ :param raddr_ip2: Policy selector remote IPv4 start address for the
+ first tunnel in direction node2->node1.
+ :param raddr_range: Mask specifying range of Policy selector Remote IPv4
+ addresses. Valid values are from 1 to 32.
+ :type nodes: dict
+ :type interface1: str or int
+ :type interface2: str or int
+ :type n_tunnels: int
+ :type crypto_alg: CryptoAlg
+ :type integ_alg: str
+ :type tunnel_ip1: str
+ :type tunnel_ip2: str
+ :type raddr_ip1: string
+ :type raddr_ip2: string
+ :type raddr_range: int
+ """
+ spd_id = 1
+ p_hi = 100
+ p_lo = 10
+ sa_id_1 = 100000
+ sa_id_2 = 200000
+ spi_1 = 300000
+ spi_2 = 400000
+
+ crypto_key = gen_key(IPsecUtil.get_crypto_alg_key_len(crypto_alg))
+ integ_key = gen_key(IPsecUtil.get_integ_alg_key_len(integ_alg))
+
+ IPsecUtil.vpp_ipsec_set_ip_route(
+ nodes['DUT1'], n_tunnels, tunnel_ip1, raddr_ip2, tunnel_ip2,
+ interface1, raddr_range)
+ IPsecUtil.vpp_ipsec_set_ip_route(
+ nodes['DUT2'], n_tunnels, tunnel_ip2, raddr_ip1, tunnel_ip1,
+ interface2, raddr_range)
+
+ IPsecUtil.vpp_ipsec_add_spd(
+ nodes['DUT1'], spd_id)
+ IPsecUtil.vpp_ipsec_spd_add_if(
+ nodes['DUT1'], spd_id, interface1)
+ IPsecUtil.vpp_ipsec_policy_add(
+ nodes['DUT1'], spd_id, p_hi, PolicyAction.BYPASS, inbound=False,
+ proto=50)
+ IPsecUtil.vpp_ipsec_policy_add(
+ nodes['DUT1'], spd_id, p_hi, PolicyAction.BYPASS, inbound=True,
+ proto=50)
+
+ IPsecUtil.vpp_ipsec_add_spd(
+ nodes['DUT2'], spd_id)
+ IPsecUtil.vpp_ipsec_spd_add_if(
+ nodes['DUT2'], spd_id, interface2)
+ IPsecUtil.vpp_ipsec_policy_add(
+ nodes['DUT2'], spd_id, p_hi, PolicyAction.BYPASS, inbound=False,
+ proto=50)
+ IPsecUtil.vpp_ipsec_policy_add(
+ nodes['DUT2'], spd_id, p_hi, PolicyAction.BYPASS, inbound=True,
+ proto=50)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(
+ nodes['DUT1'], n_tunnels, sa_id_1, spi_1, crypto_alg, crypto_key,
+ integ_alg, integ_key, tunnel_ip1, tunnel_ip2)
+
+ IPsecUtil.vpp_ipsec_spd_add_entries(
+ nodes['DUT1'], n_tunnels, spd_id, p_lo, False, sa_id_1, raddr_ip2)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(
+ nodes['DUT2'], n_tunnels, sa_id_1, spi_1, crypto_alg, crypto_key,
+ integ_alg, integ_key, tunnel_ip1, tunnel_ip2)
+
+ IPsecUtil.vpp_ipsec_spd_add_entries(
+ nodes['DUT2'], n_tunnels, spd_id, p_lo, True, sa_id_1, raddr_ip2)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(
+ nodes['DUT2'], n_tunnels, sa_id_2, spi_2, crypto_alg, crypto_key,
+ integ_alg, integ_key, tunnel_ip2, tunnel_ip1)
+
+ IPsecUtil.vpp_ipsec_spd_add_entries(
+ nodes['DUT2'], n_tunnels, spd_id, p_lo, False, sa_id_2, raddr_ip1)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(
+ nodes['DUT1'], n_tunnels, sa_id_2, spi_2, crypto_alg, crypto_key,
+ integ_alg, integ_key, tunnel_ip2, tunnel_ip1)
+
+ IPsecUtil.vpp_ipsec_spd_add_entries(
+ nodes['DUT1'], n_tunnels, spd_id, p_lo, True, sa_id_2, raddr_ip1)
@staticmethod
def vpp_ipsec_show(node):
:param node: Node to run command on.
:type node: dict
"""
- VatExecutor().execute_script("ipsec/ipsec_show.vat", node,
+ VatExecutor().execute_script('ipsec/ipsec_show.vat', node,
json_out=False)
Code Review / csit.git / blobdiff