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#!/usr/bin/env python3
#
# Copyright (C) 2021-2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.utils.process import call
from vyos.utils.process import process_named_running
from vyos.utils.file import read_file
ethernet_path = ['interfaces', 'ethernet']
tunnel_path = ['interfaces', 'tunnel']
vti_path = ['interfaces', 'vti']
nhrp_path = ['protocols', 'nhrp']
base_path = ['vpn', 'ipsec']
charon_file = '/etc/strongswan.d/charon.conf'
dhcp_waiting_file = '/tmp/ipsec_dhcp_waiting'
swanctl_file = '/etc/swanctl/swanctl.conf'
peer_ip = '203.0.113.45'
connection_name = 'main-branch'
local_id = 'left'
remote_id = 'right'
interface = 'eth1'
vif = '100'
esp_group = 'MyESPGroup'
ike_group = 'MyIKEGroup'
secret = 'MYSECRETKEY'
PROCESS_NAME = 'charon-systemd'
regex_uuid4 = '[0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}'
ca_pem = """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"""
int_ca_pem = """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"""
peer_cert = """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"""
peer_key = """
MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgVDEZDK7q/T+tiJUV
WLKS3ZYDfZ4lZv0C1gJpYq0gWP2hRANCAARkm25MO7zi7L74YzBE0uXXQkBdnFdB
IOX4J1NbCNtBlRFx1j6JrsGhqhhf/RUo96XdJ7rishRBAtChj/0wlv1Q
"""
swanctl_dir = '/etc/swanctl'
CERT_PATH = f'{swanctl_dir}/x509/'
CA_PATH = f'{swanctl_dir}/x509ca/'
class TestVPNIPsec(VyOSUnitTestSHIM.TestCase):
skip_process_check = False
@classmethod
def setUpClass(cls):
super(TestVPNIPsec, cls).setUpClass()
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
cls.cli_set(cls, base_path + ['interface', f'{interface}.{vif}'])
@classmethod
def tearDownClass(cls):
super(TestVPNIPsec, cls).tearDownClass()
cls.cli_delete(cls, base_path + ['interface', f'{interface}.{vif}'])
def setUp(self):
# Set IKE/ESP Groups
self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '1', 'encryption', 'aes128'])
self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '1', 'hash', 'sha1'])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'dh-group', '2'])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'encryption', 'aes128'])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '1', 'hash', 'sha1'])
def tearDown(self):
# Check for running process
if not self.skip_process_check:
self.assertTrue(process_named_running(PROCESS_NAME))
else:
self.skip_process_check = False # Reset
self.cli_delete(base_path)
self.cli_delete(tunnel_path)
self.cli_commit()
# Check for no longer running process
self.assertFalse(process_named_running(PROCESS_NAME))
def test_01_dhcp_fail_handling(self):
# Skip process check - connection is not created for this test
self.skip_process_check = True
# Interface for dhcp-interface
self.cli_set(ethernet_path + [interface, 'vif', vif, 'address', 'dhcp']) # Use VLAN to avoid getting IP from qemu dhcp server
# vpn ipsec auth psk <tag> id <x.x.x.x>
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', local_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', remote_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', peer_ip])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'secret', secret])
# Site to site
peer_base_path = base_path + ['site-to-site', 'peer', connection_name]
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['ike-group', ike_group])
self.cli_set(peer_base_path + ['default-esp-group', esp_group])
self.cli_set(peer_base_path + ['dhcp-interface', f'{interface}.{vif}'])
self.cli_set(peer_base_path + ['tunnel', '1', 'protocol', 'gre'])
self.cli_commit()
self.assertTrue(os.path.exists(dhcp_waiting_file))
dhcp_waiting = read_file(dhcp_waiting_file)
self.assertIn(f'{interface}.{vif}', dhcp_waiting) # Ensure dhcp-failed interface was added for dhclient hook
self.cli_delete(ethernet_path + [interface, 'vif', vif, 'address'])
def test_02_site_to_site(self):
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2'])
local_address = '192.0.2.10'
priority = '20'
life_bytes = '100000'
life_packets = '2000000'
# vpn ipsec auth psk <tag> id <x.x.x.x>
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', local_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', remote_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', local_address])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', peer_ip])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'secret', secret])
# Site to site
peer_base_path = base_path + ['site-to-site', 'peer', connection_name]
self.cli_set(base_path + ['esp-group', esp_group, 'life-bytes', life_bytes])
self.cli_set(base_path + ['esp-group', esp_group, 'life-packets', life_packets])
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['ike-group', ike_group])
self.cli_set(peer_base_path + ['default-esp-group', esp_group])
self.cli_set(peer_base_path + ['local-address', local_address])
self.cli_set(peer_base_path + ['remote-address', peer_ip])
self.cli_set(peer_base_path + ['tunnel', '1', 'protocol', 'tcp'])
self.cli_set(peer_base_path + ['tunnel', '1', 'local', 'prefix', '172.16.10.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'local', 'prefix', '172.16.11.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'local', 'port', '443'])
self.cli_set(peer_base_path + ['tunnel', '1', 'remote', 'prefix', '172.17.10.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'remote', 'prefix', '172.17.11.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'remote', 'port', '443'])
self.cli_set(peer_base_path + ['tunnel', '2', 'local', 'prefix', '10.1.0.0/16'])
self.cli_set(peer_base_path + ['tunnel', '2', 'remote', 'prefix', '10.2.0.0/16'])
self.cli_set(peer_base_path + ['tunnel', '2', 'priority', priority])
self.cli_commit()
# Verify strongSwan configuration
swanctl_conf = read_file(swanctl_file)
swanctl_conf_lines = [
f'version = 2',
f'auth = psk',
f'life_bytes = {life_bytes}',
f'life_packets = {life_packets}',
f'rekey_time = 28800s', # default value
f'proposals = aes128-sha1-modp1024',
f'esp_proposals = aes128-sha1-modp1024',
f'life_time = 3600s', # default value
f'local_addrs = {local_address} # dhcp:no',
f'remote_addrs = {peer_ip}',
f'mode = tunnel',
f'{connection_name}-tunnel-1',
f'local_ts = 172.16.10.0/24[tcp/443],172.16.11.0/24[tcp/443]',
f'remote_ts = 172.17.10.0/24[tcp/443],172.17.11.0/24[tcp/443]',
f'mode = tunnel',
f'{connection_name}-tunnel-2',
f'local_ts = 10.1.0.0/16',
f'remote_ts = 10.2.0.0/16',
f'priority = {priority}',
f'mode = tunnel',
]
for line in swanctl_conf_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'id-{regex_uuid4} = "{local_id}"',
f'id-{regex_uuid4} = "{remote_id}"',
f'id-{regex_uuid4} = "{local_address}"',
f'id-{regex_uuid4} = "{peer_ip}"',
f'secret = "{secret}"'
]
for line in swanctl_secrets_lines:
self.assertRegex(swanctl_conf, fr'{line}')
def test_03_site_to_site_vti(self):
local_address = '192.0.2.10'
vti = 'vti10'
# IKE
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2'])
self.cli_set(base_path + ['ike-group', ike_group, 'disable-mobike'])
# ESP
self.cli_set(base_path + ['esp-group', esp_group, 'compression'])
# VTI interface
self.cli_set(vti_path + [vti, 'address', '10.1.1.1/24'])
# vpn ipsec auth psk <tag> id <x.x.x.x>
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', local_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', remote_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', peer_ip])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'secret', secret])
# Site to site
peer_base_path = base_path + ['site-to-site', 'peer', connection_name]
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['connection-type', 'none'])
self.cli_set(peer_base_path + ['force-udp-encapsulation'])
self.cli_set(peer_base_path + ['ike-group', ike_group])
self.cli_set(peer_base_path + ['default-esp-group', esp_group])
self.cli_set(peer_base_path + ['local-address', local_address])
self.cli_set(peer_base_path + ['remote-address', peer_ip])
self.cli_set(peer_base_path + ['tunnel', '1', 'local', 'prefix', '172.16.10.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'local', 'prefix', '172.16.11.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'remote', 'prefix', '172.17.10.0/24'])
self.cli_set(peer_base_path + ['tunnel', '1', 'remote', 'prefix', '172.17.11.0/24'])
self.cli_set(peer_base_path + ['vti', 'bind', vti])
self.cli_set(peer_base_path + ['vti', 'esp-group', esp_group])
self.cli_commit()
swanctl_conf = read_file(swanctl_file)
if_id = vti.lstrip('vti')
# The key defaults to 0 and will match any policies which similarly do
# not have a lookup key configuration - thus we shift the key by one
# to also support a vti0 interface
if_id = str(int(if_id) +1)
swanctl_conf_lines = [
f'version = 2',
f'auth = psk',
f'proposals = aes128-sha1-modp1024',
f'esp_proposals = aes128-sha1-modp1024',
f'local_addrs = {local_address} # dhcp:no',
f'mobike = no',
f'remote_addrs = {peer_ip}',
f'mode = tunnel',
f'local_ts = 172.16.10.0/24,172.16.11.0/24',
f'remote_ts = 172.17.10.0/24,172.17.11.0/24',
f'ipcomp = yes',
f'start_action = none',
f'if_id_in = {if_id}', # will be 11 for vti10 - shifted by one
f'if_id_out = {if_id}',
f'updown = "/etc/ipsec.d/vti-up-down {vti}"'
]
for line in swanctl_conf_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'id-{regex_uuid4} = "{local_id}"',
f'id-{regex_uuid4} = "{remote_id}"',
f'secret = "{secret}"'
]
for line in swanctl_secrets_lines:
self.assertRegex(swanctl_conf, fr'{line}')
def test_04_dmvpn(self):
tunnel_if = 'tun100'
nhrp_secret = 'secret'
ike_lifetime = '3600'
esp_lifetime = '1800'
# Tunnel
self.cli_set(tunnel_path + [tunnel_if, 'address', '172.16.253.134/29'])
self.cli_set(tunnel_path + [tunnel_if, 'encapsulation', 'gre'])
self.cli_set(tunnel_path + [tunnel_if, 'source-address', '192.0.2.1'])
self.cli_set(tunnel_path + [tunnel_if, 'enable-multicast'])
self.cli_set(tunnel_path + [tunnel_if, 'parameters', 'ip', 'key', '1'])
# NHRP
self.cli_set(nhrp_path + ['tunnel', tunnel_if, 'cisco-authentication', nhrp_secret])
self.cli_set(nhrp_path + ['tunnel', tunnel_if, 'holding-time', '300'])
self.cli_set(nhrp_path + ['tunnel', tunnel_if, 'multicast', 'dynamic'])
self.cli_set(nhrp_path + ['tunnel', tunnel_if, 'redirect'])
self.cli_set(nhrp_path + ['tunnel', tunnel_if, 'shortcut'])
# IKE/ESP Groups
self.cli_set(base_path + ['esp-group', esp_group, 'lifetime', esp_lifetime])
self.cli_set(base_path + ['esp-group', esp_group, 'mode', 'transport'])
self.cli_set(base_path + ['esp-group', esp_group, 'pfs', 'dh-group2'])
self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '2', 'encryption', 'aes256'])
self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '2', 'hash', 'sha1'])
self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '3', 'encryption', '3des'])
self.cli_set(base_path + ['esp-group', esp_group, 'proposal', '3', 'hash', 'md5'])
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev1'])
self.cli_set(base_path + ['ike-group', ike_group, 'lifetime', ike_lifetime])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'dh-group', '2'])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'encryption', 'aes256'])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'hash', 'sha1'])
self.cli_set(base_path + ['ike-group', ike_group, 'proposal', '2', 'prf', 'prfsha1'])
# Profile
self.cli_set(base_path + ['profile', 'NHRPVPN', 'authentication', 'mode', 'pre-shared-secret'])
self.cli_set(base_path + ['profile', 'NHRPVPN', 'authentication', 'pre-shared-secret', nhrp_secret])
self.cli_set(base_path + ['profile', 'NHRPVPN', 'bind', 'tunnel', tunnel_if])
self.cli_set(base_path + ['profile', 'NHRPVPN', 'esp-group', esp_group])
self.cli_set(base_path + ['profile', 'NHRPVPN', 'ike-group', ike_group])
self.cli_commit()
swanctl_conf = read_file(swanctl_file)
swanctl_lines = [
f'proposals = aes128-sha1-modp1024,aes256-sha1-prfsha1-modp1024',
f'version = 1',
f'rekey_time = {ike_lifetime}s',
f'rekey_time = {esp_lifetime}s',
f'esp_proposals = aes128-sha1-modp1024,aes256-sha1-modp1024,3des-md5-modp1024',
f'local_ts = dynamic[gre]',
f'remote_ts = dynamic[gre]',
f'mode = transport',
f'secret = {nhrp_secret}'
]
for line in swanctl_lines:
self.assertIn(line, swanctl_conf)
# There is only one NHRP test so no need to delete this globally in tearDown()
self.cli_delete(nhrp_path)
def test_05_x509_site2site(self):
# Enable PKI
peer_name = 'peer1'
ca_name = 'MyVyOS-CA'
int_ca_name = 'MyVyOS-IntCA'
self.cli_set(['pki', 'ca', ca_name, 'certificate', ca_pem.replace('\n','')])
self.cli_set(['pki', 'ca', int_ca_name, 'certificate', int_ca_pem.replace('\n','')])
self.cli_set(['pki', 'certificate', peer_name, 'certificate', peer_cert.replace('\n','')])
self.cli_set(['pki', 'certificate', peer_name, 'private', 'key', peer_key.replace('\n','')])
vti = 'vti20'
self.cli_set(vti_path + [vti, 'address', '192.168.0.1/31'])
peer_ip = '172.18.254.202'
connection_name = 'office'
local_address = '172.18.254.201'
peer_base_path = base_path + ['site-to-site', 'peer', connection_name]
self.cli_set(peer_base_path + ['authentication', 'local-id', peer_name])
self.cli_set(peer_base_path + ['authentication', 'mode', 'x509'])
self.cli_set(peer_base_path + ['authentication', 'remote-id', 'peer2'])
self.cli_set(peer_base_path + ['authentication', 'x509', 'ca-certificate', int_ca_name])
self.cli_set(peer_base_path + ['authentication', 'x509', 'certificate', peer_name])
self.cli_set(peer_base_path + ['connection-type', 'initiate'])
self.cli_set(peer_base_path + ['ike-group', ike_group])
self.cli_set(peer_base_path + ['ikev2-reauth', 'inherit'])
self.cli_set(peer_base_path + ['local-address', local_address])
self.cli_set(peer_base_path + ['remote-address', peer_ip])
self.cli_set(peer_base_path + ['vti', 'bind', vti])
self.cli_set(peer_base_path + ['vti', 'esp-group', esp_group])
self.cli_commit()
swanctl_conf = read_file(swanctl_file)
tmp = peer_ip.replace('.', '-')
if_id = vti.lstrip('vti')
# The key defaults to 0 and will match any policies which similarly do
# not have a lookup key configuration - thus we shift the key by one
# to also support a vti0 interface
if_id = str(int(if_id) +1)
swanctl_lines = [
f'{connection_name}',
f'version = 0', # key-exchange not set - defaulting to 0 for ikev1 and ikev2
f'send_cert = always',
f'mobike = yes',
f'keyingtries = 0',
f'id = "{peer_name}"',
f'auth = pubkey',
f'certs = {peer_name}.pem',
f'proposals = aes128-sha1-modp1024',
f'esp_proposals = aes128-sha1-modp1024',
f'local_addrs = {local_address} # dhcp:no',
f'remote_addrs = {peer_ip}',
f'local_ts = 0.0.0.0/0,::/0',
f'remote_ts = 0.0.0.0/0,::/0',
f'updown = "/etc/ipsec.d/vti-up-down {vti}"',
f'if_id_in = {if_id}', # will be 11 for vti10
f'if_id_out = {if_id}',
f'ipcomp = no',
f'mode = tunnel',
f'start_action = start',
]
for line in swanctl_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'{connection_name}',
f'file = {peer_name}.pem',
]
for line in swanctl_secrets_lines:
self.assertIn(line, swanctl_conf)
# Check Root CA, Intermediate CA and Peer cert/key pair is present
self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{int_ca_name}_1.pem')))
self.assertTrue(os.path.exists(os.path.join(CA_PATH, f'{int_ca_name}_2.pem')))
self.assertTrue(os.path.exists(os.path.join(CERT_PATH, f'{peer_name}.pem')))
# There is only one VTI test so no need to delete this globally in tearDown()
self.cli_delete(vti_path)
def test_06_flex_vpn_vips(self):
local_address = '192.0.2.5'
local_id = 'vyos-r1'
remote_id = 'vyos-r2'
peer_base_path = base_path + ['site-to-site', 'peer', connection_name]
self.cli_set(tunnel_path + ['tun1', 'encapsulation', 'gre'])
self.cli_set(tunnel_path + ['tun1', 'source-address', local_address])
self.cli_set(base_path + ['interface', interface])
self.cli_set(base_path + ['options', 'flexvpn'])
self.cli_set(base_path + ['options', 'interface', 'tun1'])
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2'])
# vpn ipsec auth psk <tag> id <x.x.x.x>
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', local_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', remote_id])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', local_address])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'id', peer_ip])
self.cli_set(base_path + ['authentication', 'psk', connection_name, 'secret', secret])
self.cli_set(peer_base_path + ['authentication', 'local-id', local_id])
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['authentication', 'remote-id', remote_id])
self.cli_set(peer_base_path + ['connection-type', 'initiate'])
self.cli_set(peer_base_path + ['ike-group', ike_group])
self.cli_set(peer_base_path + ['default-esp-group', esp_group])
self.cli_set(peer_base_path + ['local-address', local_address])
self.cli_set(peer_base_path + ['remote-address', peer_ip])
self.cli_set(peer_base_path + ['tunnel', '1', 'protocol', 'gre'])
self.cli_set(peer_base_path + ['virtual-address', '203.0.113.55'])
self.cli_set(peer_base_path + ['virtual-address', '203.0.113.56'])
self.cli_commit()
# Verify strongSwan configuration
swanctl_conf = read_file(swanctl_file)
swanctl_conf_lines = [
f'version = 2',
f'vips = 203.0.113.55, 203.0.113.56',
f'life_time = 3600s', # default value
f'local_addrs = {local_address} # dhcp:no',
f'remote_addrs = {peer_ip}',
f'{connection_name}-tunnel-1',
f'mode = tunnel',
]
for line in swanctl_conf_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'id-{regex_uuid4} = "{local_id}"',
f'id-{regex_uuid4} = "{remote_id}"',
f'id-{regex_uuid4} = "{peer_ip}"',
f'id-{regex_uuid4} = "{local_address}"',
f'secret = "{secret}"',
]
for line in swanctl_secrets_lines:
self.assertRegex(swanctl_conf, fr'{line}')
# Verify charon configuration
charon_conf = read_file(charon_file)
charon_conf_lines = [
f'# Cisco FlexVPN',
f'cisco_flexvpn = yes',
f'install_virtual_ip = yes',
f'install_virtual_ip_on = tun1',
]
for line in charon_conf_lines:
self.assertIn(line, charon_conf)
if __name__ == '__main__':
unittest.main(verbosity=2)
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