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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, process_named_running, read_file
ethernet_path = ['interfaces', 'ethernet']
tunnel_path = ['interfaces', 'tunnel']
nhrp_path = ['protocols', 'nhrp']
base_path = ['vpn', 'ipsec']
dhcp_waiting_file = '/tmp/ipsec_dhcp_waiting'
class TestVPNIPsec(VyOSUnitTestSHIM.TestCase):
def tearDown(self):
self.cli_delete(base_path)
self.cli_delete(nhrp_path)
self.cli_delete(tunnel_path)
self.cli_delete(ethernet_path)
self.cli_commit()
def test_dhcp_fail_handling(self):
self.cli_delete(ethernet_path)
self.cli_delete(base_path)
# Interface for dhcp-interface
self.cli_set(ethernet_path + ['eth0', 'vif', '100', 'address', 'dhcp']) # Use VLAN to avoid getting IP from qemu dhcp server
# Set IKE/ESP Groups
self.cli_set(base_path + ["esp-group", "MyESPGroup", "proposal", "1", "encryption", "aes128"])
self.cli_set(base_path + ["esp-group", "MyESPGroup", "proposal", "1", "hash", "sha1"])
self.cli_set(base_path + ["ike-group", "MyIKEGroup", "proposal", "1", "dh-group", "2"])
self.cli_set(base_path + ["ike-group", "MyIKEGroup", "proposal", "1", "encryption", "aes128"])
self.cli_set(base_path + ["ike-group", "MyIKEGroup", "proposal", "1", "hash", "sha1"])
# Site to site
self.cli_set(base_path + ["ipsec-interfaces", "interface", "eth0.100"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "authentication", "mode", "pre-shared-secret"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "authentication", "pre-shared-secret", "MYSECRETKEY"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "ike-group", "MyIKEGroup"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "default-esp-group", "MyESPGroup"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "dhcp-interface", "eth0.100"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "tunnel", "1", "protocol", "gre"])
self.cli_commit()
self.assertTrue(os.path.exists(dhcp_waiting_file))
dhcp_waiting = read_file(dhcp_waiting_file)
self.assertIn('eth0.100', dhcp_waiting) # Ensure dhcp-failed interface was added for dhclient hook
self.assertTrue(process_named_running('charon')) # Commit should've still succeeded and launched charon
def test_site_to_site(self):
self.cli_delete(base_path)
# IKE/ESP Groups
self.cli_set(base_path + ["esp-group", "MyESPGroup", "proposal", "1", "encryption", "aes128"])
self.cli_set(base_path + ["esp-group", "MyESPGroup", "proposal", "1", "hash", "sha1"])
self.cli_set(base_path + ["ike-group", "MyIKEGroup", "proposal", "1", "dh-group", "2"])
self.cli_set(base_path + ["ike-group", "MyIKEGroup", "proposal", "1", "encryption", "aes128"])
self.cli_set(base_path + ["ike-group", "MyIKEGroup", "proposal", "1", "hash", "sha1"])
# Site to site
self.cli_set(base_path + ["ipsec-interfaces", "interface", "eth0"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "authentication", "mode", "pre-shared-secret"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "authentication", "pre-shared-secret", "MYSECRETKEY"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "ike-group", "MyIKEGroup"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "default-esp-group", "MyESPGroup"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "local-address", "192.0.2.10"])
self.cli_set(base_path + ["site-to-site", "peer", "203.0.113.45", "tunnel", "1", "protocol", "gre"])
self.cli_commit()
ipsec_conf_lines = [
'authby = secret',
'ike = aes128-sha1-modp1024!',
'esp = aes128-sha1-modp1024!',
'left = 192.0.2.10',
'right = 203.0.113.45',
'type = tunnel'
]
ipsec_secrets_lines = [
'192.0.2.10 203.0.113.45 : PSK "MYSECRETKEY" # dhcp:no'
]
tmp_ipsec_conf = read_file('/etc/ipsec.conf')
for line in ipsec_conf_lines:
self.assertIn(line, tmp_ipsec_conf)
call('sudo chmod 644 /etc/ipsec.secrets') # Needs to be readable
tmp_ipsec_secrets = read_file('/etc/ipsec.secrets')
for line in ipsec_secrets_lines:
self.assertIn(line, tmp_ipsec_secrets)
# Check for running process
self.assertTrue(process_named_running('charon'))
def test_dmvpn(self):
self.cli_delete(base_path)
self.cli_delete(nhrp_path)
self.cli_delete(tunnel_path)
# Tunnel
self.cli_set(tunnel_path + ["tun100", "address", "172.16.253.134/29"])
self.cli_set(tunnel_path + ["tun100", "encapsulation", "gre"])
self.cli_set(tunnel_path + ["tun100", "source-address", "192.0.2.1"])
self.cli_set(tunnel_path + ["tun100", "multicast", "enable"])
self.cli_set(tunnel_path + ["tun100", "parameters", "ip", "key", "1"])
# NHRP
self.cli_set(nhrp_path + ["tunnel", "tun100", "cisco-authentication", "secret"])
self.cli_set(nhrp_path + ["tunnel", "tun100", "holding-time", "300"])
self.cli_set(nhrp_path + ["tunnel", "tun100", "multicast", "dynamic"])
self.cli_set(nhrp_path + ["tunnel", "tun100", "redirect"])
self.cli_set(nhrp_path + ["tunnel", "tun100", "shortcut"])
# IKE/ESP Groups
self.cli_set(base_path + ["esp-group", "ESP-HUB", "compression", "disable"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "lifetime", "1800"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "mode", "transport"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "pfs", "dh-group2"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "proposal", "1", "encryption", "aes256"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "proposal", "1", "hash", "sha1"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "proposal", "2", "encryption", "3des"])
self.cli_set(base_path + ["esp-group", "ESP-HUB", "proposal", "2", "hash", "md5"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "ikev2-reauth", "no"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "key-exchange", "ikev1"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "lifetime", "3600"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "proposal", "1", "dh-group", "2"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "proposal", "1", "encryption", "aes256"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "proposal", "1", "hash", "sha1"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "proposal", "2", "dh-group", "2"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "proposal", "2", "encryption", "aes128"])
self.cli_set(base_path + ["ike-group", "IKE-HUB", "proposal", "2", "hash", "sha1"])
# Profile
self.cli_set(base_path + ["ipsec-interfaces", "interface", "eth0"])
self.cli_set(base_path + ["profile", "NHRPVPN", "authentication", "mode", "pre-shared-secret"])
self.cli_set(base_path + ["profile", "NHRPVPN", "authentication", "pre-shared-secret", "secret"])
self.cli_set(base_path + ["profile", "NHRPVPN", "bind", "tunnel", "tun100"])
self.cli_set(base_path + ["profile", "NHRPVPN", "esp-group", "ESP-HUB"])
self.cli_set(base_path + ["profile", "NHRPVPN", "ike-group", "IKE-HUB"])
self.cli_commit()
swanctl_lines = [
'proposals = aes256-sha1-modp1024,aes128-sha1-modp1024',
'version = 1',
'rekey_time = 3600s',
'esp_proposals = aes256-sha1-modp1024,3des-md5-modp1024',
'local_ts = dynamic[gre]',
'remote_ts = dynamic[gre]',
'mode = transport',
'secret = secret'
]
tmp_swanctl_conf = read_file('/etc/swanctl/swanctl.conf')
for line in swanctl_lines:
self.assertIn(line, tmp_swanctl_conf)
self.assertTrue(process_named_running('charon'))
if __name__ == '__main__':
unittest.main(verbosity=2)
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