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|
#!/usr/bin/env python3
#
# Copyright (C) 2021 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.util import call
from vyos.util import process_named_running
from vyos.util import read_file
ethernet_path = ['interfaces', 'ethernet']
tunnel_path = ['interfaces', 'tunnel']
vti_path = ['interfaces', 'vti']
nhrp_path = ['protocols', 'nhrp']
base_path = ['vpn', 'ipsec']
dhcp_waiting_file = '/tmp/ipsec_dhcp_waiting'
swanctl_file = '/etc/swanctl/swanctl.conf'
peer_ip = '203.0.113.45'
interface = 'eth1'
vif = '100'
esp_group = 'MyESPGroup'
ike_group = 'MyIKEGroup'
secret = 'MYSECRETKEY'
ca_pem = """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"""
peer_cert = """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"""
peer_key = """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"""
class TestVPNIPsec(VyOSUnitTestSHIM.TestCase):
def setUp(self):
self.cli_set(base_path + ['ipsec-interfaces', 'interface', f'{interface}.{vif}'])
# 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
self.assertTrue(process_named_running('charon'))
self.cli_delete(base_path)
self.cli_delete(nhrp_path)
self.cli_delete(tunnel_path)
self.cli_delete(vti_path)
self.cli_delete(ethernet_path)
self.cli_commit()
# Check for no longer running process
self.assertFalse(process_named_running('charon'))
def test_01_dhcp_fail_handling(self):
# Interface for dhcp-interface
self.cli_set(ethernet_path + [interface, 'vif', vif, 'address', 'dhcp']) # Use VLAN to avoid getting IP from qemu dhcp server
# Site to site
peer_base_path = base_path + ['site-to-site', 'peer', peer_ip]
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['authentication', 'pre-shared-secret', 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
def test_02_site_to_site(self):
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2'])
# Site to site
local_address = '192.0.2.10'
peer_base_path = base_path + ['site-to-site', 'peer', peer_ip]
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['authentication', 'pre-shared-secret', 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 + ['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_commit()
# Verify strongSwan configuration
swanctl_conf = read_file(swanctl_file)
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'remote_addrs = {peer_ip}',
f'mode = tunnel',
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]'
]
for line in swanctl_conf_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'id-local = {local_address} # dhcp:no',
f'id-remote = {peer_ip}',
f'secret = "{secret}"'
]
for line in swanctl_secrets_lines:
self.assertIn(line, swanctl_conf)
def test_03_site_to_site_vti(self):
local_address = '192.0.2.10'
vti = 'vti10'
# VTI interface
self.cli_set(vti_path + [vti, 'address', '10.1.1.1/24'])
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev2'])
# Site to site
peer_base_path = base_path + ['site-to-site', 'peer', peer_ip]
self.cli_set(peer_base_path + ['authentication', 'mode', 'pre-shared-secret'])
self.cli_set(peer_base_path + ['authentication', 'pre-shared-secret', 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 + ['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)
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'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'if_id_in = {vti.lstrip("vti")}', # will be 10 for vti10
f'if_id_out = {vti.lstrip("vti")}',
f'updown = "/etc/ipsec.d/vti-up-down {vti} no"'
]
for line in swanctl_conf_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'id-local = {local_address} # dhcp:no',
f'id-remote = {peer_ip}',
f'secret = "{secret}"'
]
for line in swanctl_secrets_lines:
self.assertIn(line, swanctl_conf)
def test_04_dmvpn(self):
tunnel_if = 'tun100'
nhrp_secret = 'secret'
# 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, 'multicast', 'enable'])
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, 'compression', 'disable'])
self.cli_set(base_path + ['esp-group', esp_group, 'lifetime', '1800'])
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, 'ikev2-reauth', 'no'])
self.cli_set(base_path + ['ike-group', ike_group, 'key-exchange', 'ikev1'])
self.cli_set(base_path + ['ike-group', ike_group, 'lifetime', '3600'])
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'])
# 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-modp1024',
f'version = 1',
f'rekey_time = 3600s',
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)
def test_05_x509_site2site(self):
# Enable PKI
peer_name = 'peer1'
ca_name = 'MyVyOS-CA'
self.cli_set(['pki', 'ca', ca_name, 'certificate', 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'
local_address = '172.18.254.201'
peer_base_path = base_path + ['site-to-site', 'peer', peer_ip]
self.cli_set(peer_base_path + ['authentication', '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', 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 + ['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('.', '-')
swanctl_lines = [
f'peer_{tmp}',
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} no"',
f'if_id_in = {vti.lstrip("vti")}', # will be 10 for vti10
f'if_id_out = {vti.lstrip("vti")}',
f'ipcomp = no',
f'mode = tunnel',
f'start_action = start',
]
for line in swanctl_lines:
self.assertIn(line, swanctl_conf)
swanctl_secrets_lines = [
f'peer_{tmp}',
f'file = {peer_name}.pem',
]
for line in swanctl_secrets_lines:
self.assertIn(line, swanctl_conf)
if __name__ == '__main__':
unittest.main(verbosity=2)
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