-# 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 ipaddress import ip_network, ip_address
-from enum import Enum
+from enum import Enum, IntEnum
+from robot.api import logger
-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
-# pylint: disable=too-few-public-methods
class PolicyAction(Enum):
"""Policy actions."""
BYPASS = 'bypass'
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', 20)
def __init__(self, alg_name, scapy_name, key_len):
self.alg_name = alg_name
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', 20)
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."""
- # pylint: disable=too-many-arguments
- # pylint: disable=too-many-locals
-
@staticmethod
def policy_action_bypass():
"""Return policy action bypass.
- :return: PolicyAction enum BYPASS object.
+ :returns: PolicyAction enum BYPASS object.
:rtype: PolicyAction
"""
return PolicyAction.BYPASS
def policy_action_discard():
"""Return policy action discard.
- :return: PolicyAction enum DISCARD object.
+ :returns: PolicyAction enum DISCARD object.
:rtype: PolicyAction
"""
return PolicyAction.DISCARD
def policy_action_protect():
"""Return policy action protect.
- :return: PolicyAction enum PROTECT object.
+ :returns: PolicyAction enum PROTECT object.
:rtype: PolicyAction
"""
return PolicyAction.PROTECT
def crypto_alg_aes_cbc_128():
"""Return encryption algorithm aes-cbc-128.
- :return: CryptoAlg enum AES_CBC_128 object.
+ :returns: CryptoAlg enum AES_CBC_128 object.
:rtype: CryptoAlg
"""
return CryptoAlg.AES_CBC_128
def crypto_alg_aes_cbc_192():
"""Return encryption algorithm aes-cbc-192.
- :return: CryptoAlg enum AES_CBC_192 objec.
+ :returns: CryptoAlg enum AES_CBC_192 objec.
:rtype: CryptoAlg
"""
return CryptoAlg.AES_CBC_192
def crypto_alg_aes_cbc_256():
"""Return encryption algorithm aes-cbc-256.
- :return: CryptoAlg enum AES_CBC_256 object.
+ :returns: CryptoAlg enum AES_CBC_256 object.
:rtype: CryptoAlg
"""
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 get_crypto_alg_key_len(crypto_alg):
"""Return encryption algorithm key length.
:param crypto_alg: Encryption algorithm.
:type crypto_alg: CryptoAlg
- :return: Key length.
+ :returns: Key length.
:rtype: int
"""
return crypto_alg.key_len
:param crypto_alg: Encryption algorithm.
:type crypto_alg: CryptoAlg
- :return: Algorithm scapy name.
+ :returns: Algorithm scapy name.
:rtype: str
"""
return crypto_alg.scapy_name
def integ_alg_sha1_96():
"""Return integrity algorithm SHA1-96.
- :return: IntegAlg enum SHA1_96 object.
+ :returns: IntegAlg enum SHA1_96 object.
:rtype: IntegAlg
"""
return IntegAlg.SHA1_96
def integ_alg_sha_256_128():
"""Return integrity algorithm SHA-256-128.
- :return: IntegAlg enum SHA_256_128 object.
+ :returns: IntegAlg enum SHA_256_128 object.
:rtype: IntegAlg
"""
return IntegAlg.SHA_256_128
def integ_alg_sha_384_192():
"""Return integrity algorithm SHA-384-192.
- :return: IntegAlg enum SHA_384_192 object.
+ :returns: IntegAlg enum SHA_384_192 object.
:rtype: IntegAlg
"""
return IntegAlg.SHA_384_192
def integ_alg_sha_512_256():
"""Return integrity algorithm SHA-512-256.
- :return: IntegAlg enum SHA_512_256 object.
+ :returns: IntegAlg enum SHA_512_256 object.
:rtype: IntegAlg
"""
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 get_integ_alg_key_len(integ_alg):
"""Return integrity algorithm key length.
:param integ_alg: Integrity algorithm.
:type integ_alg: IntegAlg
- :return: Key length.
+ :returns: Key length.
:rtype: int
"""
return integ_alg.key_len
:param integ_alg: Integrity algorithm.
:type integ_alg: IntegAlg
- :return: Algorithm scapy name.
+ :returns: Algorithm scapy name.
:rtype: str
"""
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_resp = papi_exec.add('ipsec_backend_dump').execute_should_pass(
+ err_msg, process_reply=False)
+ # After API change there is returned VPP internal enum object
+ # representing VPP IPSEC protocol instead of integer representation
+ # so JSON fails to decode it - we need to check if it is Python API
+ # bug or we need to adapt vpp_papi_provider to correctly encode
+ # such object into JSON
+ # logger.trace('IPsec backend dump\n{dump}'.
+ # format(dump=papi_resp.reply))
+ logger.trace('IPsec backend dump\n{dump}'.format(dump=papi_resp.stdout))
+
@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 = ''
- if tunnel_src is not None and tunnel_dst is not None:
- 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)
+ ckey = crypto_key.encode('hex')
+ ikey = integ_key.encode('hex')
+ 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 ''
+
+ integ = 'integ-alg {0} integ-key {1}'.format(integ_alg.alg_name, ikey)\
+ if crypto_alg.alg_name != 'aes-gcm-128' else ''
+
+ with open(tmp_filename, 'w') as tmp_file:
+ for i in range(0, n_entries):
+ buf_str = 'exec ipsec sa add {0} esp spi {1} ' \
+ 'crypto-alg {2} crypto-key {3} {4} {5}\n'.format(
+ sad_id+i, spi+i, crypto_alg.alg_name, ckey, integ,
+ tunnel)
+ tmp_file.write(buf_str)
+ 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.
+
+ :param node: VPP node to update SA keys.
+ :param sa_id: SAD entry ID.
+ :param crypto_key: The encryption key string.
+ :param integ_key: The integrity key string.
+ :type node: dict
+ :type sa_id: int
+ :type crypto_key: str
+ :type integ_key: str
+ """
+ ckey = crypto_key.encode('hex')
+ ikey = integ_key.encode('hex')
+
+ 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']))
+
@staticmethod
def vpp_ipsec_add_spd(node, spd_id):
"""Create Security Policy Database on the VPP node.
: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],
:type spd_id: int
:type interface: str or int
"""
- if isinstance(interface, basestring):
- sw_if_index = Topology.get_interface_sw_index(node, interface)
- else:
- sw_if_index = interface
+ sw_if_index = Topology.get_interface_sw_index(node, interface)\
+ 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 sa_id: int
:type laddr_range: string
:type raddr_range: string
- :type proto: intPolicyAction
+ :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, raddr_range):
+ """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.
+ :param raddr_range: Mask specifying range of Policy selector Remote IPv4
+ addresses. Valid values are from 1 to 32.
+ :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
+ :type raddr_range: int
+ """
+ tmp_filename = '/tmp/ipsec_spd_{0}_add_del_entry.script'.format(sa_id)
+
+ direction = 'inbound' if inbound else 'outbound'
+ addr_incr = 1 << (32 - raddr_range)
+ addr_ip = int(ip_address(unicode(raddr_ip)))
+ start_str = 'exec ipsec policy add spd {0} priority {1} {2} ' \
+ 'action protect sa'.format(spd_id, priority, direction)
+ with open(tmp_filename, 'w') as tmp_file:
+ for i in range(0, n_entries):
+ r_ip_s = ip_address(addr_ip + addr_incr * i)
+ r_ip_e = ip_address(addr_ip + addr_incr * (i+1) - 1)
+ buf_str = '{0} {1} remote-ip-range {2} - {3}\n'.format(
+ start_str, sa_id+i, r_ip_s, r_ip_e)
+ tmp_file.write(buf_str)
+ 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(node1, node2, if1_ip_addr,
+ if2_ip_addr, if1_key, if2_key,
+ n_tunnels, crypto_alg, crypto_key,
+ integ_alg, integ_key, raddr_ip1,
+ raddr_ip2, raddr_range):
+ """Create multiple IPsec tunnel interfaces between two VPP nodes.
+
+ :param node1: VPP node 1 to create tunnel interfaces.
+ :param node2: VPP node 2 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 crypto_key: The encryption key string.
+ :param integ_alg: The integrity algorithm name.
+ :param integ_key: The integrity key string.
+ :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 node1: dict
+ :type node2: 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 crypto_key: str
+ :type integ_alg: IntegAlg
+ :type integ_key: str
+ :type raddr_ip1: string
+ :type raddr_ip2: string
+ :type raddr_range: int
+ """
+ spi_1 = 10000
+ spi_2 = 20000
+
+ raddr_ip1_i = int(ip_address(unicode(raddr_ip1)))
+ raddr_ip2_i = int(ip_address(unicode(raddr_ip2)))
+ addr_incr = 1 << (32 - raddr_range)
+
+ tmp_fn1 = '/tmp/ipsec_create_tunnel_dut1.config'
+ tmp_fn2 = '/tmp/ipsec_create_tunnel_dut2.config'
+
+ ckey = crypto_key.encode('hex')
+ ikey = integ_key.encode('hex')
+
+ vat = VatExecutor()
+ with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2:
+ for i in range(0, n_tunnels):
+ 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)
+ dut1_tunnel = '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 {local_ip} '\
+ 'remote_ip {remote_ip}\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,
+ local_ip=if1_ip_addr,
+ remote_ip=if2_ip_addr)
+ dut2_tunnel = '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 {local_ip} '\
+ 'remote_ip {remote_ip}\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,
+ local_ip=if2_ip_addr,
+ remote_ip=if1_ip_addr)
+ tmp_f1.write(dut1_tunnel)
+ tmp_f2.write(dut2_tunnel)
+ vat.execute_script(tmp_fn1, node1, timeout=300, json_out=False,
+ copy_on_execute=True)
+ vat.execute_script(tmp_fn2, node2, 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):
+ raddr_ip1 = ip_address(raddr_ip1_i + addr_incr*i)
+ raddr_ip2 = ip_address(raddr_ip2_i + addr_incr*i)
+ dut1_if = Topology.get_interface_name(node1, if1_key)
+ dut1 = 'exec ip route add {raddr}/{mask} via {addr} ipsec{i}\n'\
+ 'exec set interface unnumbered ipsec{i} use {uifc}\n'\
+ 'exec set interface state ipsec{i} up\n'\
+ .format(raddr=raddr_ip2, mask=raddr_range,
+ addr=if2_ip_addr, i=i, uifc=dut1_if)
+ dut2_if = Topology.get_interface_name(node2, if2_key)
+ dut2 = 'exec ip route add {raddr}/{mask} via {addr} ipsec{i}\n'\
+ 'exec set interface unnumbered ipsec{i} use {uifc}\n'\
+ 'exec set interface state ipsec{i} up\n'\
+ .format(raddr=raddr_ip1, mask=raddr_range,
+ addr=if1_ip_addr, i=i, uifc=dut2_if)
+ tmp_f1.write(dut1)
+ tmp_f2.write(dut2)
+
+ vat.execute_script(tmp_fn1, node1, timeout=300, json_out=False,
+ copy_on_execute=True)
+ vat.execute_script(tmp_fn2, node2, timeout=300, json_out=False,
+ copy_on_execute=True)
+ os.remove(tmp_fn1)
+ os.remove(tmp_fn2)
+
+ @staticmethod
+ def vpp_ipsec_add_multiple_tunnels(node1, node2, interface1, interface2,
+ n_tunnels, crypto_alg, crypto_key,
+ integ_alg, integ_key, tunnel_ip1,
+ tunnel_ip2, raddr_ip1, raddr_ip2,
+ raddr_range):
+ """Create multiple IPsec tunnels between two VPP nodes.
+
+ :param node1: VPP node 1 to create tunnels.
+ :param node2: VPP node 2 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 crypto_key: The encryption key string.
+ :param integ_alg: The integrity algorithm name.
+ :param integ_key: The integrity key string.
+ :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 node1: dict
+ :type node2: dict
+ :type interface1: str or int
+ :type interface2: str or int
+ :type n_tunnels: int
+ :type crypto_alg: CryptoAlg
+ :type crypto_key: str
+ :type integ_alg: str
+ :type integ_key: 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 = 10000
+ sa_id_2 = 20000
+ spi_1 = 30000
+ spi_2 = 40000
+ proto = 50
+
+ IPsecUtil.vpp_ipsec_add_spd(node1, spd_id)
+ IPsecUtil.vpp_ipsec_spd_add_if(node1, spd_id, interface1)
+ IPsecUtil.vpp_ipsec_policy_add(node1, spd_id, p_hi, PolicyAction.BYPASS,
+ inbound=False, proto=proto)
+ IPsecUtil.vpp_ipsec_policy_add(node1, spd_id, p_hi, PolicyAction.BYPASS,
+ inbound=True, proto=proto)
+
+ IPsecUtil.vpp_ipsec_add_spd(node2, spd_id)
+ IPsecUtil.vpp_ipsec_spd_add_if(node2, spd_id, interface2)
+ IPsecUtil.vpp_ipsec_policy_add(node2, spd_id, p_hi, PolicyAction.BYPASS,
+ inbound=False, proto=proto)
+ IPsecUtil.vpp_ipsec_policy_add(node2, spd_id, p_hi, PolicyAction.BYPASS,
+ inbound=True, proto=proto)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(node1, 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(node1, n_tunnels, spd_id, p_lo,
+ False, sa_id_1, raddr_ip2,
+ raddr_range)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(node2, 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(node2, n_tunnels, spd_id, p_lo,
+ True, sa_id_1, raddr_ip2,
+ raddr_range)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(node2, 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(node2, n_tunnels, spd_id, p_lo,
+ False, sa_id_2, raddr_ip1,
+ raddr_range)
+
+ IPsecUtil.vpp_ipsec_add_sad_entries(node1, 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(node1, n_tunnels, spd_id, p_lo,
+ True, sa_id_2, raddr_ip1,
+ raddr_range)
@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